Claims:I/We Claim:
1. A system (100) that is electrically connected to a streetlamp connection and is configured to provide power supply to an electric vehicle (114) by obtaining power information from the electric vehicle (114), wherein the system (100) comprises:
an input connector (102) that is electrically communicated with the streetlamp connection, receives an input power; an output connector (112) that is communicatively connected to the electric vehicle (114), supplies power to the electric vehicle (114);
a pilot signal generator (108) that generates signals and communicates the signals with the electric vehicle (114) through the output connector (112) to obtain the power information of the electric vehicle (114); and
characterized in that,
a processing unit (106) that controls and supplies output power for charging the electric vehicle (114) when the output connector (112) is connected to the electric vehicle (114), wherein the processing unit (106) is configured to:
activate the pilot signal generator (108) to:
generate and communicate an initial signal to the electric vehicle (114) for obtaining the power information of the electric vehicle (114); and
receive a power information data signal from the electric vehicle (114), wherein the power information data signal comprises a charging state information of the electric vehicle (114); and
activate a power switching module (110) to:
switch the input power from the input connector (102) to the output connector (112) with the output power based on the charging state information of the electric vehicle (114), wherein the output connector (112) supplies the output power to the electric vehicle (114) for charging the electric vehicle (114).

2. The system (100) as claimed in claim 1, wherein the processing unit (106) is configured to: determine, using a metering module (206), input power data with the input power from the streetlamp connection and output power data from the determined output power for charging the electric vehicle (114).

3. The system (100) as claimed in claim 1, wherein the processing unit (106) comprises an IoT device that transfers usage data to a server (208), wherein the usage data comprises the input power data and the output power data, wherein the server (208) is communicatively connected to a mobile application of a user device that communicates the usage data to a user in real time.

4. The system (100) as claimed in claim 1, wherein the system (100) comprises a controller that switches ON and OFF the input connector (102) to receive the input power from the streetlamp connection.

5. The system (100) as claimed in claim 1, wherein the processing unit (106) is configured to detect hardware faults based on a ON/OFF status of the controller and disconnect the power input if the controller detects the hardware faults.

6. The system (100) as claimed in claim 1, wherein the system (100) comprises one or more protection circuits (104) to protect from at least one of over voltage, over current, under voltage, under current, short circuit, over temperature, ground fault, residual current or earthing and surge protection to minimize safety risks and ensure maximum uptime, wherein the one or more protection circuits (104) comprise at least one of Type-B RCCB or MCB.

7. The system (100) as claimed in claim 1, wherein the system (100) comprises a Geo-fencing technology for charger authentication and user identification, wherein the processing unit (106) is configured to shut down when the system (100) is moved from its original position.

8. The system (100) as claimed in claim 1, wherein the system comprises a power module, that is activated by the processing unit (104), determines the output power based on the charging state information of the electric vehicle (114); and conditions the input power based on the determined output power, wherein the output connector (112) supplies the determined output power to the electric vehicle (114).

9. The system (100) as claimed in claim 8, wherein the pilot signal generator (108) generates at least one of a Control Pilot (CP) signal or a Proximity Pilot (PP) signal to electrically communicate with the electric vehicle (114), wherein the pilot signal generator (108) is configured to:
determine a proximity of the output connector (112) and respective current rating when the pilot signal generator (108) generates the PP signal, wherein the proximity detects a capacity of a charging gun that is connected to the electric vehicle (114); and
generate and communicate using a waveform for sensing the power information data of the electric vehicle (114) when the pilot signal generator (108) generates the CP signal, wherein the waveform comprises specific frequency and pattern of electric signal, that is detected by the electric vehicle (114) and responded accordingly.

10. A method for providing power supply to an electric vehicle (114) by obtaining power information data from the electric vehicle (114), wherein the method comprises,
receiving, using an input connector (102), an input power from a streetlamp connection;
generating and communicating, using a pilot signal generator (108), an initial signal to the electric vehicle (114) when an output connector (112) is connected to the electric vehicle (114) for obtaining the power information of the electric vehicle (114);
receiving, using the pilot signal generator (108), a power information data signal from the electric vehicle (114), wherein the power information data signal comprises a charging state information of the electric vehicle (114);
switching, using a power switching module (110), the input power from the input connector to the output connector with an output power based on the charging state information of the electric vehicle (114); and
supplying, using the output connector (112), the output power to the electric vehicle (114) for charging the electric vehicle (114). , Description:BACKGROUND
Technical Field
[0001] The embodiments herein generally relate to a system and method for providing power supply to an electric vehicle, more particularly to a system and method for providing power supply to an electric vehicle by obtaining power information of the electric vehicle with mode-3 of EV charging method.
Description of the Related Art
[0002] There is lack of electric vehicle charging infrastructure on streets, roads and parking facilities. Installing of new charging points for the electric vehicle needs more space, budget and need more electrical and civil works, that makes the installation tough and the charging points can’t be placed in most of the urban spaces due to enclosed buildings.
[0003] Existing infrastructure and common throughout the most urban spaces are streetlights that are installed everywhere with a power supply throughout the cities and towns to provide lighting on roads and pathways. Normally, the streetlights include a solar panel on a streetlight pole and a battery to store the solar energy, and the stored energy can be used for charging the electric vehicles. Those type of charging points can’t be placed on more places as the solar panel installation on the streetlight poles need a greater budget to implement and need new wiring connection requiring electrical and civil works for installing chargers and solar panel. And also makes inconvenience in parking around the charger.
[0004] Accordingly, there remains a system and method for providing power supply to an electric vehicle with a streetlamp connection by obtaining power information of the electric vehicle.
SUMMARY
[0001] In view of the foregoing, an embodiment herein provides a system that is electrically connected to a streetlamp connection and is configured to provide power supply to an electric vehicle by obtaining power information from the electric vehicle. The system includes an input connector, an output connector, a pilot signal generator, a power module and a processing unit. The input connector is electrically communicated with the streetlamp connection to receive an input power. The output connector is communicatively connected to the electric vehicle to supply power to the electric vehicle. The pilot signal generator generates signals and communicates the signals with the electric vehicle through the output connector to obtain the power information of the electric vehicle. The power module feeds the input power to the entire circuitry of the system. The processing unit controls and supplies output power for charging the electric vehicle when the output connector is connected to the electric vehicle. The processing unit is configured to (i) activate the pilot signal generator to (a) generate and communicate an initial signal to the electric vehicle for obtaining the power information of the electric vehicle, and (b) receive a power information data signal from the electric vehicle, and (ii) activate a power switching module to switch the input power from the input connector to the output connector with the output power based on the power information data signal of the electric vehicle. The power information data signal includes a charging state information of the electric vehicle. The output connector supplies the output power to the electric vehicle for charging the electric vehicle. The embodiments herein follow Type-2 charging standard.
[0002] In some embodiments, the processing unit is configured to determine input power data with the input power from the streetlamp connection and output power data from the determined output power for charging the electric vehicle using a metering module (206).
[0001] In some embodiments, the processing unit includes an IoT device that transfers usage data to a server. The usage data includes the input power data and the output power data. The server is communicatively connected to a mobile application of a user device that communicates the usage data to a user in real time.
[0002] In some embodiments, the system includes a controller that switches ON and OFF the input connector to receive the input power from the streetlamp connection.
[0003] In some embodiments, the processing unit is configured to detect hardware faults based on a ON/OFF status of the controller and disconnect the power input if the controller detects the hardware faults.
[0004] In some embodiments, the system includes one or more protection circuits to protect from at least one of over voltage, over current, under voltage, under current, short circuit, over temperature, ground fault, residual current or earthing and surge protection to minimize safety risks and ensure maximum uptime. The one or more protection circuits include at least one of Type-B RCCB or MCB.
[0005] In some embodiments, the system includes a Geo-fencing technology for charger authentication and user identification. The processing unit is configured to shut down when the system is moved from its original position.
[0006] In some embodiments, the system includes a power module that is activated by the processing unit, (i) determines the output power based on the charging state information of the electric vehicle, and (ii) conditions the input power based on the determined output power. The output connector supplies the determined output power to the electric vehicle.
[0007] In some embodiments, the pilot signal generator generates at least one of a Control Pilot (CP) signal and a Proximity Pilot (PP) signal to electrically communicate with the electric vehicle. The pilot signal generator is configured to (i) determine a proximity of the output connector and respective current rating when the pilot signal generator generates the PP signal and (ii) generate and communicate using a waveform for sensing the power information data and charging state information of the electric vehicle when the pilot signal generator generates the CP signal. The proximity detects a capacity of a charging gun that is connected to the electric vehicle. The proximity detects whether the charging gun is connected or not. The system does not start the charging session when the system doesn’t find an accurate proximity. The waveform includes a specific frequency and pattern of the initial signal (e.g. an electric signal) that is detected by the electric vehicle and responded accordingly. The electric vehicle may insert one or more resistors in a path that cause variation in the initial signal. The initial signal is sensed by the system and processed accordingly.
[0001] In another aspect, the embodiments herein provides a method for providing power supply to an electric vehicle by obtaining power information data from the electric vehicle includes (i) receiving an input power from a streetlamp connection using an input connector, (ii) generating and communicating an initial signal to the electric vehicle when an output connector is connected to the electric vehicle using a pilot signal generator for obtaining the power information of the electric vehicle, (iii) receiving a power information data signal from the electric vehicle using the pilot signal generator, (iv) switching the input power from the input connector to the output connector with an output power based on the charging state information of the electric vehicle using a power switching module, and (v) supplying the output power to the electric vehicle using the output connector for charging the electric vehicle.
[0002] The system sets up on readily available streetlamp poles, that optimizing space and eliminate construction and building of exclusive charging stations. The streetlamp poles are available in every corner of the cities, and towns, and can be efficiently utilised as per the requirement. This system is very convenient to use, low-cost, renewable and energy-friendly to charge the electric vehicle. The electric vehicles can be charged whenever the electric vehicle is on idle state. The system includes smart detection of the electric vehicle and communicates with the electric vehicle to provide the required amount of the output power for supplying to the electric vehicle. The system also monitors the power consumption and sends the input power data and the output power data to the server. The server is configured to bill or deduct amount from wallets or credit/debit cards. The system also monitor one or more faults that includes at least one of overvoltage, under voltage, over current or server communication error.
[0003] These and other aspects of the embodiments herein will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following descriptions, while indicating preferred embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.
BRIEF DESCRIPTION OF THE DRAWINGS
[0004] The embodiments herein will be better understood from the following detailed description with reference to the drawings, in which:
[0005] FIG. 1 illustrates a block diagram of a system for providing power supply to an electric vehicle according to some embodiments herein;
[0006] FIG. 2 is an exploded view of the system for providing the power supply to the electric vehicle according to some embodiments herein;
[0007] FIG. 3 illustrates a wiring diagram of the system of FIG. 1 according to some embodiments herein;
[0008] FIG. 4 illustrates an exemplary view of mounting arrangement of the system of FIG. 1 in a streetlamp pole according to some embodiments herein;
[0009] FIG. 5 illustrates an exemplary view of the system installed on a streetlamp pole according to some embodiments herein; and
[0010] FIG. 6 illustrates a flow diagram of a method for providing the power supply to the electric vehicle according to some embodiments herein.
DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS
[0011] The embodiments herein and the various features and advantageous details thereof are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and detailed 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.
[0012] As mentioned, there remains a need for a system and method for providing power supply to an electric vehicle with a streetlamp connection by obtaining power information of the electric vehicle with mode-3 of Electric Vehicle (EV) charging method. Referring now to the drawings, and more particularly to FIGS. 1 through 6, where similar reference characters denote corresponding features consistently throughout the figures, preferred embodiments are shown.
[0013] FIG. 1 illustrates a block diagram of a system 100 for providing power supply to an electric vehicle 114 according to some embodiments herein. The system 100 includes an input connector 102, one or more protection circuits 104, a processing unit 106, a pilot signal generator 108, a power switching module 110, and an output connector 112. The input connector 102 receives input power to power the system 100. The input connector 102 may receive the input power from a streetlamp connection. In some embodiments, the input power comprises a single phase, 7.4 kilowatt (kW) and 230 Volts power. In some embodiments, the input connector 102 is electrically communicated with the streetlamp connection. The system 100 may include a distribution box to supply the input power to the input connector 102. The one or more protection circuits 104 protects from at least one of over voltage, over current, under voltage, under current, short circuit, over temperature, ground fault, residual current or earthing and surge protection to minimize safety risks and ensure maximum uptime. In some embodiments, the one or more protection circuits includes Type-B Residual Current Circuit Breaker (RCCB), Miniature Circuit Breaker (MCB) and the like. The one or more protection circuits 104 may protect from undesired conditions and ensures safe charging. In some embodiments, the system 100 includes a power module to supply the input power to a circuitry of the system 100.
[0014] The processing unit 106 activates the pilot signal generator 108 and the power module 110 to supply output power for charging the electric vehicle 114 when the output connector 112 is connected to the electric vehicle 114. The pilot signal generator 108 generate a signal and communicates the signal to the electric vehicle to obtain power information of the electric vehicle 114. The power information may include a charging state information (e.g. full charge or not) of the electric vehicle 114. In some embodiments, the pilot signal generator 108 communicates the signal with the electric vehicle 114 through the output connector 112. In some embodiments, the processing unit 106 controls the supply of the output power to the electric vehicle 114.
[0015] The pilot signal generator 108, that is activated by the processing unit 106, generates and communicates an initial signal to the electric vehicle 114 for obtaining a power information data signal from the electric vehicle 114. In some embodiments, the power information data signal includes the charging state information of the electric vehicle 114. The pilot signal generator 108 may generate at least one of a Control Pilot (CP) signal or a Proximity Pilot (PP) signal to electrically communicate with the electric vehicle 114. In some embodiments, the pilot signal generator 108 is configured to determine a proximity of the output connector 112 and the respective current rating when the pilot signal generator 108 generates the PP signal. In some embodiments, the pilot signal generator 108 is configured to generate and communicate using a waveform for sensing the power information of the electric vehicle 114 when the pilot signal generator 108 generates the CP signal. In some embodiments, the proximity detects a capacity of a charging gun that is connected to the electric vehicle. The charging gun may be the output connector 112. In some embodiments, the proximity detects whether the charging gun is connected or not. The system 100 does not start the charging session of the electric vehicle 114, when the system 100 don’t find an accurate proximity. The waveform includes a specific frequency and a pattern of the initial signal (e.g. an electric signal) that is detected by the electric vehicle 114 and responded accordingly. The electric vehicle 114 may insert one or more resistors in a path that cause variation in the initial signal. The initial signal is sensed by the system 100 and processed accordingly.
[0016] In some embodiments, the system 100 communicates with the electric vehicle 114 for required power exchange, a charging state, faults and ensures input/output connection along with amount of power supply. The power switching module 110 switches the input power from the input connector 102 to the output connector 112 with the output power based on the charging state information of the electric vehicle 114. The output connector 112 supplies the output power to the electric vehicle for charging the electric vehicle 114.
[0017] In some embodiments, the power module (i) determines the output power based on the charging state information of the electric vehicle 114, and (ii) switches the input power based on the determined output power, when the power module is activated by the processing unit 106. The output connector 112 may supply the determined output power to the electric vehicle 114. The output connector 112 will be a Type-2 32A socket. In some embodiments, the power module 110 switches the input power in terms of demanded current and voltage. In some embodiments, the power module 110 routs the AC power to the electric vehicle 114. The system 100 may include a controller that switches ON and OFF the input connector 102 to receive the input power. In some embodiments, the controller switches ON and OFF the input connector 102 to receive the input power from the streetlamp connection.
[0018] In some embodiments, the system 100 support Mode-3 charging for charging the electric vehicle 114. The Mode-3 charging may use fixed and dedicated socket outlet. In some embodiments, the socket outlet is Type-2 socket. The Mode-3 charging may control the electric vehicle charging with and includes in-built protection circuits to protect from over voltage and current. In some embodiments, the Mode-3 chargers can be any of a tethered cable or an IEC 62196, Type 2 dedicated socket outlet.
[0019] In some embodiments, the system 100 includes a geo-fencing technology for charger-authentication and user identification. The processing unit 106 may shut down the system 100, when the system 100 is moved from its original position and will not operate until the system is placed in its original position.
[0020] FIG. 2 is an exploded view of the system 100 for providing the power supply to the electric vehicle 114 according to some embodiments herein. The system 100 includes the processing unit 106, an indicator 202, a communication module 204, a metering module 206 and a server 208. The indicator 202 includes a LED that indicates a status of the system 100. The status may be any of charging, fault, idle, or in under maintenance. The LED may be in one or more colours to differentiate the status of the system 100. The one or more colours may include any of: green, blue or red. In some embodiments, the system 100 includes an emergency switch to switch OFF the system 100 for emergency situations. The metering module 206 determines input power data with the input power and output power data with the determined output power for charging the electric vehicle 114. The metering module 206 may determine the input power data with the input power from the streetlamp connection. In some embodiments, the processing unit 106 activates the metering module 206 to determine the input power data and the output power data.
[0021] The communication module 204 communicates usage data to the server 208. The usage data may include the input power data and the output power data in electricity units. The communication module 204 may communicate the usage data to the server 208 through wireless networks. In some embodiments, the communication can be through any of: 4G, BLE or WiFi. In some embodiments, users can access the usage data with a computing device that is communicatively connected with the server 208. The computing device may be a smartphone. In some embodiments, the communication module 204 includes an IoT device to transfer the usage data to the server 208.
[0022] The server 208 is communicatively connected to a mobile application of the computing device that communicates the usage data to the users in real time. The mobile application may include responses that includes electricity units consumed, time consumption, payment receipts, and requests in the form of locate, search, start and stop the system 100. In some embodiments, the computing device can start and stop charging session in the system 100. In some embodiments, the users can monitor the amount of electricity units and time consumed for charging the electric vehicle 114. In some embodiments, the system 100 includes monitoring the electricity units consumed and bill accordingly. The mobile application may include a payment gateway enabled solution to enable the users to pay via at least one of a card, a net banking, UPI or wallet systems, for the electricity units consumed. In some embodiments, the mobile application shares live status of the system 100 showing whether the system 100 any of: accessible, under use, shut down under maintenance and the like.
[0023] In some embodiments, the processing unit 106 detect hardware faults based on a ON/OFF status of the controller and disconnect the power input if the processing unit 106 detects the hardware faults to prevent battery damage, shorts and the like.
[0024] FIG. 3 illustrates a wiring diagram of the system 100 of FIG. 1 according to some embodiments herein. The wiring diagram includes one or more supply pins 302A-N, a MCB 304, a RCCB 306, an energy meter 308, a 12V power supply 310, a contactor 312, a verycon 1.0 314, an EV socket 316, a RGB LED 318 and a stop button 320. The one or more supply pins 302A-N may be a single phase AC supply pins. In some embodiments, the one or more supply pins 302A-N can be Live (L) & Neutral (N), that is connected to the MCB 304. The MCB 304 protects from overcurrent from the one or more supply pins 302A-N and supplies the power to the RCCB 306, that also protects the system 100 from low voltage. Then, the power is supplied to the 12V power supply 310 through the energy meter 308 and a busbar. In some embodiments, the power can be the single phase power. The busbar distributes the single phase power to the 12V power supply 310, a PCB and the contactor 312. The 12V Power supply 310 feeds an operational power to the Verycon 1.0 314. The Verycon 1.0 314 controls the entire electric vehicle charging operation. The verycon 1.0 314 generates the control pilot signal and the proximity pilot signal to communicate with the electric vehicle 114. In some embodiments, the verycon 1.0 314 also switches the input power to the EV socket 316 by controlling the contactor 312. In some embodiments, the EV socket 316 supplies the output power to the electric vehicle 114 for charging the electric vehicle 114. The contactor 312 may be a power controlling device that acts as a switch. In some embodiments, the verycon 1.0 314 monitors the power consumed for charging the electric vehicle 114. The RGB LED 318 indicates the status of the system 100. The status may include any of charging, fault, idle or in under maintenance. The RGB LED 318 may be in one or more colours to differentiate the status of the system 100. The one or more colours may include any of green, blue or red. The stop button 320 is configured to switch OFF the system 100 for emergency situations.
[0025] FIG. 4 illustrates an exemplary view of mounting arrangement of the system 100 of FIG. 1 in a streetlamp pole 414 according to some embodiments herein. The system 100 includes a metal enclosure 402 that encloses the system 100, a metal box 404, connectors 406 that includes an output connector, RCD 408 for switching operations in the system 100, indicators 410 that shows the status of the system 100, and a backplate 412 for enclosing the system 100 with the metal enclosure 402. The system 100 may require one or more bolts for mounting the system 100 in the streetlamp pole 414. In some embodiments, the system 100 includes an LCD screen to display a consumption of electricity units and a time duration of charging.
[0026] FIG. 5 illustrates an exemplary view of the system 100 installed on a streetlamp pole 504 according to some embodiments herein. The exemplary view includes the system 100, a streetlamp 502, the streetlamp pole 504 and the output connector 112. The functions of the components are explained above. The streetlamp pole 504 may be in vandal resistant design for high risk and susceptible public locations. In some embodiments, the system 100 installed on the streetlamp pole 504 withstand both mechanical stress and harsh environmental conditions.
[0027] FIG. 6 illustrates a flow diagram of a method for providing the power supply to the electric vehicle 114 according to some embodiments herein. At step 602, the input power from the streetlamp connection is received using the input connector 102. At step 604, the initial signal is generated and communicated to the electric vehicle 114 using the pilot signal generator 108 when the output connector 112 is connected to the electric vehicle 114. At step 606, the power information data signal is received from the electric vehicle 114 using the pilot signal generator 108. At step 608, the input power from the input connector 102 is switched to an output connector 112 with the output power based on the power information data of the electric vehicle using the power module 110. At step 610, the output power is supplied to the electric vehicle 114 using the output connector 112 for charging the electric vehicle 114.
[0028] The foregoing description of the specific embodiments will 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 appended claims.