The present disclosure herein relates to the field of electric vehicles, more particularly, a plug-in hybrid electric vehicle for powering on-wheel medical oxygen generator for covid-19 patients.

BACKGROUND
[002] There is availability of portal medical oxygen generators in the market and require dedicated batteries, inverter units to fulfil the power requirement for these generators. It makes these systems dependent on the quality as well as conversion efficiency of inverter units along with battery life. However, in case of sudden failure of internal or external units, there is no provision for powering oxygen generator until it reaches to the destination.
[003] The medical oxygen cylinders, bags, pressure swing adsorption oxygen generators, chemical oxygen generator are commonly used for providing oxygen to patients but there are some limitations such as safety risks, expensive, and difficult to carry due to heavy weight.
[004] In order to solve this problem, the on-board batteries of plug-in hybrid electric vehicle can use as power source for medical oxygen generator.
[005] US4477264A, discloses a pressure swing adsorption process which provides inexpensive medical oxygen generator and produces enriched oxygen gas. However, this invention involves complex arrangement of valves, switching devices, and surge vessels.
[006] US7830117B2, discloses distributed charging system which distributes energy to battery charging equipment. However, this invention monitors and controls voltages for subsystems of the vehicle instead of oxygen generator.

[007] The above-mentioned prior arts state that the plug-in hybrid electric vehicle can solve the problem of providing power to medical oxygen generators and provide easy to carry, compact, and economical solution.
[008] The present invention, addresses the above mentioned short comings of the prior art.
SUMMARY
[009] The present invention discloses a system for fulfil the on-wheel medical oxygen demand through a plug-in hybrid electric vehicle with on-board batteries energy management system.
[0010] In one implementation, the power boost converter integrates the electric vehicle and the medical oxygen generator.
[0011] In one implementation, balances the power flow within vehicle without interruption.
[0012] In one implementation, provides power supply options through solar roof top of electric vehicle charges on-board electric vehicle batteries, direct online connected external electricity sources and dedicated battery unit for the oxygen generator.
[0013] In one implementation, the battery energy management system uses sensors for monitoring temperature, voltage, current and state of charge/discharge of batteries.
[0014] In another implementation, the oxygen generator, sensor units (102) monitor pressure, oxygen concentration, condition of valve, and oxygen supply percentage.
[0015] In one implementation, provides provision of on-wheel medical oxygen supply with need of minimum spacing.
[0016] In present implementation, provides optimized utilization of power resources of plug-in hybrid electric vehicle and fulfil the instant medical oxygen requirements for covid-19 patients.
[0017] In one implementation, is a cost effective, user friendly interfacing and a detachable unit with minimal space requirement.
[0018] In another implementation, distributes the power at required level to subsystems through the power sharing unit.
BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The foregoing detailed description of the system implemented is better understood when read in conjunction with the attached drawings. For better understanding, each component is represented by a specific number which is further illustrated as a reference number for the components used with the figure.
[0020] Figure 1, illustrates the block diagram of the invention.
[0021] Figure 2, illustrates the Flow of Power and Oxygen of the invention.
[0022] The figures depict an embodiment of the present disclosure for the purpose of illustration and understanding only.

DETAILED DESCRIPTION
[0023] Some embodiments of this disclosure, illustrating all its features, will now be discussed in detail.
[0024] In one implementation, the present invention utilizes the plug-in hybrid electric vehicle for providing power to the medical oxygen generators with the assistance of a customized mobile application (120) provides real-time status update of the vehicle through GSM/Wi-Fi module(121).
[0025] The disclosure herein, a system for powering medical oxygen generator (114) through on-board batteries (107) of plug-in hybrid electric vehicle is a detachable unit with minimum space requirement.
[0026] In other embodiment, consists of battery management system (101), solar photovoltaic panel (112), regenerative braking (111), petrol/diesel fuel (110), power sharing unit (113), wheels motor control (116), internal electrical systems (115) and oxygen generator (114).
[0027] In another embodiment, the battery management system (101) further consists of control unit (117), battery depletion control (109), charge controller (108), on-board batteries stack (107) and sensor unit for batteries (102).
[0028] In another embodiment, the power boost converter provides integration between the electric vehicle and the medical oxygen generator (114).
[0029] In another embodiment, the power sharing unit (113) receives power through the on-board batteries stack (107), petrol/diesel fuel (110), regenerative braking (111), and solar photovoltaic panel (112), and provides to the oxygen generator (114), internal electrical systems (115) and wheels motor control (116) at required levels.
[0030] In another embodiment, the on-board batteries (107) energize with different sources through the charge controller (108).
[0031] In another embodiment, the battery management system (101) of electric vehicle receives input from the sensors which is deployed for monitoring the temperature (103), voltage (104), current (105) and state of charge/discharge (106) of batteries.
[0032] In another embodiment, the sensor unit (102), battery depletion control (109) and control unit (117) optimize various parameters associated with connected batteries.
[0033] In another embodiment, controls the power sharing unit (113) (with upper and lower thresholds energy efficiency) through the control unit (117) with parameters optimization algorithm.
[0034] In another embodiment, the sensor units(102) of oxygen generator (114) monitor the pressure, oxygen concentration, supply percentage and condition of valve.
[0035] In the present embodiment, provides medically approved oxygen with purity 95%±3% which can deliver to covid-19 patients.
[0036] In another embodiment, the flow rate of the generated oxygen can obtain from 2nm3/hr to 10nm3/hr and higher flow rate requirement patients can be shift to the hospital.
[0037] In another embodiment, the power requirement of the oxygen generator (114) unit is connected with vehicle internal circuitry which works on single phase supply.
[0038] In another embodiment, reduces the expenditure on space requirement for heavy power backup units with optimum management of available resources.
[0039] In another embodiment, in-built power boost converters of battery management unit (101) areused instead of external boost circuitry.
[0040] In the present embodiment , a customized mobile application (120) establishes communication with the vehicle for providing status update through real-time monitoring. Also, generates alerts by notification incase of emergencies.
[0041] In an exemplary embodiment, the on-board batteries (107) energize with different sources through charge controller (108) and the sensor unit (102), battery depletion control (109) and the control unit (117) optimize the parameters associated with the connected batteries and distributes the power at the required level to subsystems efficiently through the power sharing unit (113). A customized mobile application(120) establishes communication through a GSM/Wi-Fi module (121) for real-time status update of the vehicle and generates alerts by notification due to failure to operate.
[0042] Referring to figure 1, illustrates the block diagram in which the battery management system (101) of electric vehicle takes input from the sensors which is deployed for monitoring the temperature (103), voltage (104), current (105) and state of charge/discharge (106) of batteries, and the power sharing unit (113) receives power through the on-board batteries stack (107), petrol/diesel fuel (110), regenerative braking (111), and solar photovoltaic panel (112), and provides to the oxygen generator (114), internal electrical systems (115) and wheels motor control (116) at required levels.
[0043] Again, referring to figure 1, the on-board batteries (107) energize with different sources through the charge controller (108) and control unit (117) optimizes the parameters associated with the connected batteries and distributes the power.
[0044] Referring to figure 2, illustrates Flow of Power and Oxygen with the oxygen generator unit (114) which comprises of a portable Oxygen Concentrator , is a Portable oxygen machine for travel use with Oxygen concentration of 30%-95% , Oxygen flow of 1-5L/min(adjustable) and Timing function setting of 15 minutes cycle within 2 hours with power backup.
[0045] Referring to figure 2, in which the Charge Controller (108) 12 V, 20Ampswith Solar Panel- 165W provides for power flow in the system.The DC-AC converter (119) provides reliable and continuous supply of the power supply to the oxygen generator and through the battery management unit (101) without any interruption.
[0046] In other embodiments, system the replaceable fuses fit in both neutral and main lines for protection as well as with soft start option uses variable speed drive.
[0047] In other further embodiments, a plug-in portable system is easily implemented with any type of electric vehicle (4/3/2 wheelers) in emergency.
[0048] Some of the embodiments may be further upgraded upon the study performed further.

We claim:

1. A Plug-in hybrid electric vehicle for powering on-wheel medical oxygen generator for covid-19 patients comprises of :
a. An oxygen concentrator with a dedicated storage unit;
b. anenergy management unit ;
c. a charging station(13) ;
d. a DC-AC converter (119) ;
e. a customized mobile application(120);
f. Communication by a GSM/Wi-Fi module(121).
2. The Plug-in hybrid electric vehicle as claimed in claim 1 , wherein , the energy management unit comprises of :
a. Power sharing unit (113);
b. battery management system(101);
c. Wheels and motor system(116) ;
d. Internal electrical systems(115) ;
e. Petrol/Diesel unit (110);
f. Regenerative braking unit (111) ;
g. Solar photovoltaic panel unit (112);
3. The Plug-in hybrid electric vehicle as claimed in claim 1 , whereinthe battery management system comprises of :
a. a control unit with parameter optimization algorithms(117);
b. a sensor unit for batteries(102) ;
c. a battery depletion control unit (109) :
d. onboard batteries stack unit (107); and,
e. aCharge controller unit (108).

4. The Plug-in hybrid electric vehicle as claimed in claim 1, wherein , the sensor unit (102) comprises of :
a. a temperature sensor(103) ;
b. a voltage detection sensor;(104)
c. a Current detection sensor(105) ;
d. monitor pressure, oxygen concentration, supply percentage ,condition of valve(120); and,
e. Measuring by Battery state of charge (BSOC or SOC) along with Depth of discharge (DOD)(107).
5. The Plug-in hybrid electric vehicle as claimed in claim 1 , wherein , the DC-AC converter (119) for reliable and continuous power supply of the oxygen generator unit (114) without any interruption .
6. The Plug-in hybrid electric vehicle as claimed in claim 1 , wherein , the oxygen generator unit connects(114) tothe vehicle internal circuitry(115) by functioning on single (220V) AC at50 Hz.
7. The Plug-in hybrid electric vehicle as claimed in claim 1, wherein the power sharing unit receivers power supply through on-board batteries(107) are energized by the charge controller unit (108) via petrol/diesel fuel (110), regenerative braking (111), and solar photovoltaic panel ( 112).
8. The Plug-in hybrid electric vehicle as claimed in claim 1, provides integration between the electric vehicle and the medical oxygen generator (114) as power back up in emergency.
9. The Plug-in hybrid electric vehicle as claimed in claim 1, the customized mobile application establishes communication through the GSM/Wi-Fi module for real-time status update/alert of the vehicle.
10. The Plug-in hybrid electric vehicle as claimed in claim 1, is a detachable unit which can be attached to any pre/post existing vehicle with minimal space requirement.