Claims:WE CLAIM
1. An energy measurement apparatus for electric vehicles (100) having an on-board charger, said apparatus comprising:
a power detection unit (102) configured to periodically measure voltage and current at the input of said on-board charger to calculate power values at each instance of time;
a repository (104) configured to receive and store said measured voltage values, said measured current values, and said calculated power values, said repository (104) further configured to store a pre-determined range of voltage values and a pre-determined range of current values;
a measurement unit (106) configured to cooperate with said repository (104) to time stamp each of said measured voltage, current, and power values stored in said repository (104), said measurement unit (106) configured to identify the charge level of the battery in said electric vehicle, and further configured to estimate charging time based on said calculated power values and said identified charge level of the battery;
said apparatus (100) further including a fault detecting unit (110) configured to cooperate with said repository (104) to generate a fault detection signal based on said measured voltage value and said measured current value, and is further configured to, when the fault is detected, either:
i. attenuate charging side voltage or current fluctuations; or
ii. isolate the battery of said electric vehicle from said on-board charger.
2. The apparatus as claimed in claim 1, wherein said power detection unit (102) includes:
a voltage sensor (202) configured to periodically detect the voltage at the input of said on-board charger, and further configured to generate measured voltage signal based on said detected voltage;
a current sensor (204) configured to periodically detect the current at the input of said on-board charger, and further configured to generate measured current signal based on said detected current;
a signal conditioner (206) configured to receive said measured voltage signal and said measured current signal from said voltage and current sensors, and further configured to convert said measured voltage signal and said measured current signal into a measured voltage value and a measured current value; and
a first digital multiplier (208) configured to receive said measured voltage value and said measured current value from said signal conditioner (206), and further configured to calculate power value based on the received measured voltage and current values,
wherein said first digital multiplier (208) is implemented using one or more processor(s).
3. The apparatus as claimed in claim 1, wherein said measurement unit (106) includes:
a memory (306) configured to store a pre-determined set of rules, a pre-determined charge time estimation rules, a first lookup table having a list of voltage values, current values and power values received from said repository (104), and a second lookup table having a list of pre-determined tariff values wherein each of said pre-determined tariff values correspond to a geographical location of a charging station;
a battery level detection unit (310) configured to detect the battery level of said electric vehicle;
a charge time estimation unit (312) configured to cooperate with said memory (306) and said battery level detection unit (310) to estimate the time required to charge said electric vehicle in accordance with pre-determined charge time estimation rules stored in the memory (306), said charge time estimation unit (312) is further configured to store said estimated charging time value in said memory (306), said charge time estimation unit (312) is also configured to provide the estimated charging time value to said display unit (112) of said electric vehicle;
a location detection unit (304) configured to detect the location of said charging station where said electric vehicle is being charged, and further configured to generate the co-ordinates of the present location;
a real-time clock (302) configured to cooperate with said memory (306), and further configured to time stamp each of said voltage values, said current values, and said power values stored in said first lookup table to determine charge initiate time value and charge termination time value; and
a control unit (308) configured to cooperate with said location detection unit (304), said memory (306), and said real-time clock (302), said control unit (308) configured to determine charging time value based on said determined charge initiate time value and said determined charge termination time value, and further configured to determine energy consumption value based on time stamped power values and said determined charging time value, said control unit (308) configured to generate charging cost value based on the determined energy consumption value and tariff values of said charging station;
wherein said control unit (308) and said real-time clock (302) are implemented using one or more processor(s).
4. The apparatus as claimed in claim 3, wherein said control unit (308) includes:
a. a crawler and extractor unit (402) configured to crawl through said second lookup table to extract said tariff value corresponding to said received present location;
b. a computation circuit (404) configured to:
i. determine said charging time value by calculating the difference between said charge initiate time value and said charge termination time value; and
ii. generate an average power value by averaging said time stamped power values for said determined charging time.
c. a second digital multiplier (406) configured to cooperate with said computation circuit (404) and said crawler and extractor unit (402) to determine energy consumption value based on received average power value and charging time value, and further configured to determine charging cost value based on the determined energy consumption value and said extracted tariff values.
5. The apparatus as claimed in claim 1, wherein said fault detecting unit (110) includes:
a. a first digital comparator configured to cooperate with said repository (104) to receive said measured voltage values, and further configured to compare said measured voltage values with said pre-determined range of voltage values, said first comparator configured to generate a voltage fault signal when said measured voltage values exceed the pre-determined range of voltage values;
b. a second digital comparator configured to cooperate with said repository (104) to receive said measured current values, and further configured to compare said measured current values with said pre-determined range of current values, said second comparator configured to generate a current fault signal when said measured current values exceed the pre-determined range of current values; and
c. a logical unit configured to cooperate with said first and second digital comparator to generate said fault detection signal upon receiving either of said current fault signal and said voltage fault signal,
wherein said first digital comparator and said second digital comparator are implemented using one or more processor(s).
6. The apparatus as claimed in claim 1, wherein said fault detecting unit is configured to perform the operation of attenuation and isolation by means of a control module (136) of said on-board charger.
7. The apparatus as claimed in claim 1, wherein said measurement unit (106) is configured to provide said energy consumption value, said charging cost value, said estimated charging time value to a display unit (112) of said electric vehicle.
8. The apparatus as claimed in claim 1, wherein said power detection unit (102) includes at least two input check blocks configured to protect said apparatus against abnormal inputs received from said voltage sensor (202) and said current sensor (204) respectively.
9. The apparatus as claimed in claim 1, wherein said apparatus (100) includes a signal isolator unit (108) configured to electrically isolate said apparatus (100) from said control module (136) and said display unit (112) to reduce the effect of noise generated by said apparatus.

, Description:FIELD
The present disclosure relates to the field of electric vehicles, more particularly, the present disclosure relates to an energy measurement apparatus for electric vehicles.
BACKGROUND
The background information herein below relates to the present disclosure but is not necessarily prior art.
Electric vehicles are equipped with on-board chargers for charging battery packs which supply power for driving various motors and electrical/electronic equipments. Typically, the battery packs of the electric vehicles are charged at household sockets or service stations by connecting the on-board charger with outlets of external power sources. The performance and life of these battery packs largely depends on the amount of fluctuations present in the current and voltage of the external power supply. High charging side fluctuations increase the battery charging time, reduce battery life, increase the amount of energy consumed during charging, thereby, causing permanent damage to the battery, which is not desired.
Further, the conventional on-board charging apparatuses do not have an ability to measure the energy consumed and the cost incurred during charging of electric vehicles. Also, the conventional on-board charging apparatuses do not have any means of estimating and/or indicating, the amount of time that will be required for charging the electric vehicle.
There is, therefore, felt a need for developing an apparatus for on-board chargers of electric vehicles which is capable of determining the energy consumption during charging, charging time value and cost required for charging the electric vehicle. The apparatus, being further capable of sensing and reducing charging side fluctuations and isolating the charger from external power supply when the fluctuations exceed a predetermined limit.
OBJECTS
Some of the objects of the present disclosure, which at least one embodiment herein satisfies, are as follows:
It is an object of the present disclosure to provide an energy measurement apparatus for electric vehicles.
Another object of the present disclosure to provide an apparatus for decreasing the charging side fluctuations.
Still another object of the present disclosure is to provide an apparatus for calculating the number of units consumed and the cost incurred during charging of electric vehicle.
Yet another object of the present disclosure is to provide an apparatus for estimating the time required for charging electric vehicle.
Still another object of the present disclosure is to provide an apparatus that improves battery life.
Other objects and advantages of the present disclosure will be more apparent from the following description, which is not intended to limit the scope of the present disclosure.
SUMMARY
The present disclosure envisages an energy measurement apparatus for electric vehicles having an on-board charger. The apparatus includes a power detection unit, a repository, a measurement unit and a fault detecting unit. The power detection unit is configured to periodically measure voltage and current at the input of the on-board charger and calculate power values based on the measured voltage values and current values at each instance of time. The repository is configured to receive and store the measured voltage values, the measured current values, and the calculated power values. The repository is further configured to store a pre-determined range of voltage values and a pre-determined range of current values. The measurement unit is configured to cooperate with the repository to time stamp each of the measured voltage, current, and power values stored in the repository. The measurement unit is further configured to identify the charge level of the battery in the electric vehicle and estimate charging time based on the calculated power values and the identified charge level of the battery. The fault detecting unit is configured to cooperate with the repository to generate a fault detection signal when the measured current and voltage values exceed the pre-determined range of current and voltage values respectively. The fault detecting unit is further configured to, when a fault is detected, either:
• attenuate charging side voltage or current fluctuations based on the measured voltage and current values; or
• isolate the battery of the electric vehicle from the on-board charger upon generating the fault detection signal.
In an embodiment, the power detection unit includes a voltage sensor, a current sensor, a signal conditioner and a first digital multiplier. In another embodiment, the power detection unit also includes at least two input check blocks configured to protect the apparatus against abnormal inputs received from the voltage sensor and the current sensor respectively. The input check blocks are selected from the group consisting of circuit breaker, fuse block, and other protection switches. The voltage sensor is configured to periodically detect voltage at the input of the on-board charger, and is further configured to generate measured voltage signal based on the detected voltage. The current sensor is configured to periodically detect current at the input of the on-board charger, and is further configured to generate measured current signal based on the detected current. The signal conditioner is configured to receive the measured voltage signal and the measured current signal from the voltage and current sensors, and is further configured to convert the measured voltage signal and the measured current signal into a measured voltage value and a measured current value. In an embodiment, the signal conditioner is implemented using one or more analog to digital (A/D) converter(s). The first digital multiplier is configured to receive the measured voltage value and the measured current value from the signal conditioner, and is further configured to calculate power value based on the received measured voltage and current values. In an embodiment, the first digital multiplier is implemented using one or more processor(s).
In an embodiment, the measurement unit comprises a memory, a battery level detection unit, a charge time estimation unit, a location detection unit, a real-time clock, and a control unit. In another embodiment, the measurement unit is configured to provide the energy consumption value, the charging cost value, the estimated charging time value to a display unit of the electric vehicle. The memory is configured to store a pre-determined set of rules, a pre-determined charge time estimation rules, a first lookup table having a list of voltage values, current values and power values received from the repository, and a second lookup table having a list of pre-determined tariff values wherein each of the pre-determined tariff values correspond to a geographical location of a charging station. The battery level detection unit is configured to detect the battery level of the electric vehicle. The charge time estimation unit is configured to cooperate with the memory and the battery level detection unit to estimate the time required to charge the electric vehicle in accordance with pre-determined charge time estimation rules stored in the memory. The charge time estimation unit is further configured to store the estimated charging time value in the memory and provide the estimated charging time value to the display unit of the electric vehicle. The location detection unit is configured to detect the location of the charging station where the electric vehicle is being charged, and is further configured to generate the co-ordinates of the present location. The real-time clock is configured to cooperate with the memory, and is further configured to time stamp each of the voltage value, the current value, and the power value stored in the first lookup table to determine charge initiate time value and charge termination time value. The control unit is configured to cooperate with the location detection unit, the memory, and the real-time clock to determine charging time value based on the determined charge initiate time value and the determined charge termination time value, and is further configured to determine energy consumption value based on time stamped power values and the determined charging time value. The control unit is also configured to generate charging cost value based on the determined energy consumption value and tariff values of the charging station. In an embodiment, the control unit and the real-time clock are implemented using one or more processor(s).

In an embodiment, the control unit includes a crawler and extractor unit, a computation circuit, and a second digital multiplier. The crawler and extractor unit is configured to crawl through the second lookup table to extract the tariff value corresponding to the received present location. The computation circuit is configured to:
• determine the charging time value by calculating the difference between the charge initiate time value and the charge termination time value; and
• generate an average power value by averaging the time stamped power values for the determined charging time.
Further, the second digital multiplier is configured to cooperate with the computation circuit and the crawler and extractor unit to determine energy consumption value based on received average power value and charging time value, and is further configured to determine charging cost value based on the determined energy consumption value and the extracted tariff values.

In an embodiment, the fault detecting unit includes a first digital comparator, a second digital comparator, and a logical unit. The first digital comparator is configured to cooperate with the repository to receive the measured voltage values from the power detection unit, and is further configured to compare the measured voltage values with the pre-determined range of voltage values. The first digital comparator is also configured to generate a voltage fault signal when the measured voltage values exceed the predetermined range of voltage values. The second digital comparator is configured to cooperate with the repository to receive the measured current values from the power detection unit, and is further configured to compare the measured current values with the pre-determined range of current values. The second digital comparator is also configured to generate a current fault signal. In an embodiment, the first digital comparator and the second digital comparators are implemented using one or more processor(s). The logical unit is configured to cooperate with the first and second digital comparator to generate the fault detection signal upon receiving either of the current fault signal and the voltage fault signal.

In an embodiment, the on-board charger includes a control module configured to cooperate with the fault detecting unit to attenuate charge side voltage and current fluctuations based on the measured voltage and current values. The control module is further configured to isolate battery of the electric vehicle from the on-board charger upon receiving the voltage fault signal or the current fault signal.
In another embodiment, the apparatus includes a signal isolator unit configured to electrically isolate the apparatus from the control module and the display unit to reduce the effect of noise generated by the apparatus.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWING
An energy measurement apparatus for electric vehicles of the present disclosure will now be described with the help of the accompanying drawing, in which:
Figure 1 illustrates a schematic block diagram of an energy measurement apparatus.
Figure 2 illustrates a schematic block diagram of a power detection unit of the apparatus of Figure 1.
Figure 3 illustrates a schematic block diagram of a control unit of the apparatus of Figure 1.
Figure 4 illustrates a schematic block diagram of a measurement unit of the apparatus of Figure 1.
LIST OF REFERENCE NUMERALS
100 – Apparatus
102 – Power detection unit
104 – Repository
106 – Measurement unit
108 – Signal isolator unit
110 – Fault detecting unit
112 – Display unit
136 – Control module of on-board charger
202 – Voltage sensor
204 – Current sensor
206 – Signal conditioner
208 – First digital multiplier
302 – Real-time clock
304 – Location detection unit
306 – Memory
308 – Control unit
310 – Battery level detection unit
312 – Charge time estimation unit
402 – Crawler and extractor
404 – Computation circuit
406 – Second digital multiplier
DETAILED DESCRIPTION
Embodiments, of the present disclosure, will now be described with reference to the accompanying drawing.
Embodiments are provided so as to thoroughly and fully convey the scope of the present disclosure to the person skilled in the art. Numerous details, are set forth, relating to specific components, and methods, to provide a complete understanding of embodiments of the present disclosure. It will be apparent to the person skilled in the art that the details provided in the embodiments should not be construed to limit the scope of the present disclosure. In some embodiments, well-known processes, well-known apparatus structures, and well-known techniques are not described in detail.
The terminology used, in the present disclosure, is only for the purpose of explaining a particular embodiment and such terminology shall not be considered to limit the scope of the present disclosure. As used in the present disclosure, the forms "a,” "an," and "the" may be intended to include the plural forms as well, unless the context clearly suggests otherwise. The terms "comprises," "comprising," “including,” and “having,” are open ended transitional phrases and therefore specify the presence of stated features, integers, steps, operations, elements, modules, units and/or components, but do not forbid the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The particular order of steps disclosed in the method and process of the present disclosure is not to be construed as necessarily requiring their performance as described or illustrated. It is also to be understood that additional or alternative steps may be employed.
When an element is referred to as being "mounted on," “engaged to,” "connected to," or "coupled to" another element, it may be directly on, engaged, connected or coupled to the other element. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed elements.
The terms first, second, third, etc., should not be construed to limit the scope of the present disclosure as the aforementioned terms may be only used to distinguish one element, component, region, layer or section from another component, region, layer or section. Terms such as first, second, third etc., when used herein do not imply a specific sequence or order unless clearly suggested by the present disclosure.
Terms such as “inner,” “outer,” "beneath," "below," "lower," "above," "upper," and the like, may be used in the present disclosure to describe relationships between different elements as depicted from the figures.
An energy measurement apparatus (hereinafter referred as “apparatus”) (100) for electric vehicles having an on-board charger, of the present disclosure, is now being described with reference to Figure 1 through Figure 4.
Referring to Figure 1, the apparatus (100) comprises a power detection unit (102), a repository (104), a measurement unit (106), and a fault detecting unit (110). The power detection unit (102) is configured to periodically measure voltage and current at the input of the on-board charger (not shown in the figure), and is further configured to calculate power values based on the measured voltage values and current values at each instance of time. The repository (104) is configured to receive and store the measured voltage values, the measured current values, and the measured power values. The repository (104) is further configured to store a pre-determined range of voltage values and a pre-determined range of current values. The measurement unit (106) is configured to cooperate with the repository (104) to time stamp each of the measured voltage, current and power values stored in the repository (104). The measurement unit (106) is configured to identify the charge level of the battery in the electric vehicle, and is further configured to estimate charging time based on the calculated power values and the identified charge level of the battery. The fault detecting unit is configured to cooperate with the repository (104) to generate a fault detection signal based on the measured voltage value and the measured current value. The fault detecting unit (110) is further configured to, when the fault is detected, either:
• attenuate charging side voltage or current fluctuations based on the measured voltage and current values; or
• isolate the battery of the electric vehicle from the on-board charger upon generating the fault detection signal.
In an embodiment, the fault detecting unit (110) is configured to perform the operation of attenuation and isolation by means of a control module (136) of the on-board charger.
Figure 2 illustrates an embodiment of the power detection unit (102) which includes a voltage sensor (202), a current sensor (204), a signal conditioner (206), and a first digital multiplier (208). The voltage sensor (202) is configured to periodically detect the voltage at the input of the on-board charger, and is further configured to generate measured voltage signal based on the detected voltage. The current sensor (204) is configured to periodically detect the current at the input of the on-board charger, and is further configured to generate measured current signal based on the detected current. The signal conditioner (206) is configured to receive the measured voltage signal and the measured current signal from the voltage sensor (202) and the current sensor (204) respectively, and is further configured to convert the measured voltage signal and the measured current signal into a measured voltage value and a measured current value. In an embodiment, the signal conditioner (206) is implemented using one or more analog to digital (A/D) converter(s).The first digital multiplier (208) is configured to receive the measured voltage value and the measured current value from the signal conditioner (206), and is further configured to calculate power value based on the received measured voltage and current values. In an embodiment, the first digital multiplier (208) is implemented using one or more processor(s).
Referring to Figure 3, an embodiment of the measurement unit (106) includes a memory (306), a battery level detection unit (310), a charge estimation unit (312), a location detection unit (304), a real-time clock (302), and a control unit (308). The memory (306) is configured to store a pre-determined set of rules, a pre-determined charge time estimation rules, a first lookup table having a list of voltage values, current values and power values received from the repository (104), and a second lookup table having a list of pre-determined tariff values wherein each of the pre-determined tariff values correspond to a geographical location of a charging station. The pre-determined set of rules includes rules for billing the charging of electric vehicle based on the location of charging and rules for determining the method of charging of electric vehicle based on the charging parameters recorded at the location of charging. The methods of charging of electric vehicle include constant voltage charging, constant current charging, taper current charging, pulse charging, burp charging, IUI charging, trickle charging, float charging, and random charging.
The battery level detection unit (310) is configured to detect the battery level of the electric vehicle. The charge time estimation unit (312) is configured to cooperate with the memory (306) and the battery level detection unit (310) to estimate the time required for charging the electric vehicle in accordance with pre-determined charge time estimation rules stored in the memory (306). The charge time estimation unit (312) is further configured to store the estimated charging time value in the memory (306). The charge time estimation unit (312) is also configured to provide the estimated charging time value to the display unit (112) of the electric vehicle. The display unit (112) is selected from the group consisting of heads up display, Multi-layer display, in-vehicle infotainment system, Multi-function display, and other in-vehicle displays. The location detection unit (304) is configured to detect the location of the charging station where the electric vehicle is being charged, and is further configured to generate the co-ordinates of the present location. In an embodiment, the electric vehicle is charged from a household socket. The real-time clock (302) is configured to cooperate with the memory (306), and is further configured to time stamp each of the voltage, current, and power values stored in the first lookup table to determine charge initiate time value and charge termination time value.
The control unit (308) is configured to cooperate with the location detection unit (304), the memory (306), and the real-time clock (302) to determine charging time value based on the determined charge initiate time value and the determined charge termination time value, and is further configured to determine energy consumption value based on time stamped power values and the determined charging time value. The control unit (308) is also configured to generate charging cost value based on the determined energy consumption value and tariff values of the charging station. In an embodiment, the control unit (308) and the real-time clock (302) are implemented using one or more processor(s).
In an embodiment, the measurement unit (106) is configured to provide the energy consumption value, the charging cost value, and the estimated charging time value to a display unit (112) of the electric vehicle.
With reference to Figure 4 of the accompanying drawing, an embodiment of the control unit (308) includes a crawler and extractor unit (402), a computation circuit (404), and a second digital multiplier (406). The crawler and extractor unit (402) is configured to crawl through the second lookup table stored to extract the tariff value corresponding to the received present location. Further, the computation circuit (404) is configured to:
• determine the charging time value by calculating the difference between the charge initiate time value and the charge termination time value; and
• generate an average power value by averaging the time stamped power values for the determined charging time.
The second digital multiplier (406) is configured to cooperate with the computation circuit (404) and the crawler and extractor unit (402) to determine energy consumption value based on received average power value and charging time value, and is further configured to determine charging cost value based on the determined energy consumption value and the extracted tariff values. In an embodiment, the second digital multiplier (406) is implemented using one or more processor(s).
In another embodiment of the present disclosure, the fault detecting unit (110) is configured to generate the fault detection signal when the measured current and voltage values exceed a pre-determined range of current and voltage values respectively. The fault detecting unit (110) includes a first digital comparator, a second digital comparator, and a logical unit. The first digital comparator is configured to receive the measured voltage values from the repository (104), and is further configured to compare the measured voltage values with the pre-determined range of voltage values. The first comparator is configured to generate a voltage fault signal based on the comparison of the measured voltage values and the pre-determined range of voltage values. More specifically, if the measured voltage is beyond the pre-determined voltage range, then the comparator generates voltage fault signal. The second digital comparator is configured to receive the measured current values from the repository (104), and is further configured to compare the measured current value with the pre-determined range of current values. The first comparator is configured to generate a current fault signal based on the comparison of the measured current values and the pre-determined range of current values. More specifically, if the measured current is beyond the pre-determined current range, then the comparator generates current fault signal. In an embodiment, the first digital comparator and the second digital comparator are implemented using one or more processor(s). The logical unit is configured to cooperate with the first and second digital comparator to generate the fault detection signal upon receiving either of the current fault signal and the voltage fault signal.
In an embodiment, the power detection unit (102) includes at least two input check blocks (not shown in the figure) configured to protect the apparatus (100) against abnormal inputs received from the voltage sensor (202) and the current sensor (204) respectively. In another embodiment, the input check blocks are selected from the group consisting of circuit breaker, fuse block, and other protection switches.
In an embodiment, the apparatus (100) includes a signal isolator unit (106). The signal isolator unit (106) is configured to electrically isolate units / components of the apparatus (100), namely the power detection unit (102) and the measurement unit (106), from the control module (136) and the display unit (112) to reduce the effect of noise generated by these units / components.
In an embodiment, the apparatus (100) includes a CAN converter (not shown in the figure) designed to transfer information relating to energy consumption, cost of charging, estimated charging time to the display unit (112) connected to the apparatus (100) via an output port (not shown in the figure).
The energy measurement apparatus (100) of the present disclosure decreases charging side fluctuations and provides better control over charging of the electric vehicle. In an embodiment, the apparatus (100) may be configured to display estimated charging time, present battery or charge level, and energy consumption value at each instance of time during charging the electric vehicle and display the energy consumption value, charging cost value, and charging time taken after charging the electric vehicle. The energy consumption value, charging cost value, and actual charging time value are stored in the memory (306) of the apparatus (100) for future analysis. The apparatus (100) thus, allows a vehicle owner to compare the energy consumption value for household charging with energy consumption for charging the vehicle at a service station. The apparatus (100) also allows a vehicle owner to compare the energy consumption value for charging the electric vehicle at various service stations. This helps the vehicle owner to plan his charging place and time effectively.
The foregoing description of the embodiments has been provided for purposes of illustration and not intended to limit the scope of the present disclosure. Individual components of a particular embodiment are generally not limited to that particular embodiment, but, are interchangeable. Such variations are not to be regarded as a departure from the present disclosure, and all such modifications are considered to be within the scope of the present disclosure.
TECHNICAL ADVANCEMENTS
The present disclosure described herein above has several technical advantages including, but not limited to, the realization of an energy measurement apparatus for electric vehicles that:
• decreases charging side fluctuations;
• determines the number of units consumed during charging of the electric vehicle;
• determines the cost incurred during charging of the electric vehicle;
• estimates the time required for charging the electric vehicle;
• improves battery life;
The embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
The foregoing description of the specific embodiments so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein.
The use of the expression “at least” or “at least one” suggests the use of one or more elements or ingredients or quantities, as the use may be in the embodiment of the disclosure to achieve one or more of the desired objects or results.
Any discussion of documents, acts, materials, devices, articles or the like that has been included in this specification is solely for the purpose of providing a context for the disclosure. It is not to be taken as an admission that any or all of these matters form a part of the prior art base or were common general knowledge in the field relevant to the disclosure as it existed anywhere before the priority date of this application.
The numerical values mentioned for the various physical parameters, dimensions or quantities are only approximations and it is envisaged that the values higher/lower than the numerical values assigned to the parameters, dimensions or quantities fall within the scope of the disclosure, unless there is a statement in the specification specific to the contrary.
While considerable emphasis has been placed herein on the components and component parts of the preferred embodiments, it will be appreciated that many embodiments can be made and that many changes can be made in the preferred embodiments without departing from the principles of the disclosure. These and other changes in the preferred embodiment as well as other embodiments of the disclosure will be apparent to those skilled in the art from the disclosure herein, whereby it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the disclosure and not as a limitation.