CN204928322U - Electric motor car is with wireless rechargeable battery group and electric motor car - Google Patents
Electric motor car is with wireless rechargeable battery group and electric motor car Download PDFInfo
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- CN204928322U CN204928322U CN201520705359.9U CN201520705359U CN204928322U CN 204928322 U CN204928322 U CN 204928322U CN 201520705359 U CN201520705359 U CN 201520705359U CN 204928322 U CN204928322 U CN 204928322U
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Abstract
The utility model relates to an electric motor car is with wireless rechargeable battery group and electric motor car. The electric motor car with wireless rechargeable battery group including the group battery casing and locate the group battery and the wireless charging circuit that are formed by connecting battery cell wherein, wireless charging circuit includes single -chip module, wireless receiving module, display module, charging management module, rectifier regulator module and coupling receiving coil, coupling receiving coil links to each other through rectifier regulator module, charging management module and group battery, wireless receiving module, display module and charging management module link to each other with single -chip module respectively. The utility model discloses when being close to with wireless charging device, coupling receiving coil can produce induced voltage, handles through full wave rectification and step -down, the steady voltage of rectifier regulator module, and output constant voltage gives charging management module, realizes charging to the group battery. The utility model discloses charging wire and connector need be do not not used, easily persistant, the easy cracked defect of charging wire has been avoided, convenient to use, the reliability is high.
Description
Technical field
The utility model relates to a kind of power battery of electric vehicle, particularly relates to a kind of electric vehicle wireless charging battery group and electric motor car.
Background technology
At present, electric motor car, electric bicycle are more and more universal, the battery of electric motor car, electric bicycle is charged the stage also resting on and use wired charger, namely rechargeable battery all needs could realize charging by connecting on charging wire to charging pile, charger, the charger of existing heaviness has again troublesome electric wire, and also there is problem that is persistant, that not easily differentiate in various electric wire, not only use inconvenience, and Long-Time Service, repeatedly to plug, connector easily damages, also likely there is fracture, damage in electric wire, causes and cannot normally use.In addition, current user can not understand the state of battery of electric vehicle well, can not accomplish timely maintenance, there is potential safety hazard, affects the life-span of battery of electric vehicle group.
Summary of the invention
The utility model mainly solves original electric motor car, the electrokinetic cell of electric bicycle needs to charge with charging wire connecting charger, charging wire easily becomes entangled in, not easily differentiates, not only use inconvenience, and Long-Time Service, repeatedly to plug, connector easily damages, also easily there is fracture, damage in charging wire, causes the technical problem that cannot normally use; There is provided a kind of electric vehicle wireless charging battery group and electric motor car, it does not need to use charging wire, is charged by radio connection, avoids charging wire easily persistant, easy fracture, flimsy defect, not only easy to use, and reliability is high.
The utility model solves the state that current user can not understand battery of electric vehicle well simultaneously, can not accomplish timely maintenance, there is potential safety hazard, affect the technical problem in the life-span of battery of electric vehicle group; There is provided a kind of electric vehicle wireless charging battery group and electric motor car, it can be reported to the police to the various abnormality of battery, and reminding user makes respective handling in time, thus improves fail safe, extends battery of electric vehicle group useful life.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: electric vehicle wireless charging battery group of the present utility model, the battery pack comprising battery housing and be located in battery housing and wireless charging circuit, described battery pack comprises multiple cell being connected in series or being connected in parallel, described wireless charging circuit comprises one-chip computer module, wireless receiving module, display module, charge management module, rectifying and voltage-stabilizing module and coupling receiver coil, the output of coupling receiver coil is connected with the input of rectifying and voltage-stabilizing module, the output of rectifying and voltage-stabilizing module is connected with described battery pack through charge management module, wireless receiving module, display module and charge management module are connected with one-chip computer module respectively.Electric vehicle wireless charging battery group needs and wireless charging device coupling uses.One-chip computer module sends data and control command controls wireless receiving module, realize wireless receiving module and wireless charging device carries out mating and communication, after wireless connections success, after the coupling firing coil on wireless charging device produces the magnetic field of alternation, by coupling receiver coil near coupling firing coil time, coupling receiver coil will produce induced potential, induced potential carries out full-wave rectification and step-down, voltage stabilizing process by rectifying and voltage-stabilizing module, export constant voltage to charge management module, by charge management module, battery pack is charged.And the coupling connection of one-to-many or multi-to-multi can be realized by radio receiving transmitting module.The utility model realizes charger with radio connection and coil coupling mode and charges to battery pack, do not need to use charging wire and connector, avoid charging wire easily persistant, easy fracture, flimsy defect, not only easy to use, and also reliability is high.Meanwhile, the utility model also has good versatility, does not need special charging socket to connect, as long as there is wireless charging device just can carry out wireless charging, both charged conveniently, has economized on resources again.Wireless receiving module can adopt the wireless communication modules such as bluetooth module, radio-frequency module, zigbee module or GPRS module to realize.
As preferably, described charge management module comprises charging control circuit and charge/discharge control circuit, the control end of charging control circuit and charge/discharge control circuit is connected with described one-chip computer module respectively, described battery housing is provided with positive terminal and negative terminal, the positive pole of described battery pack is connected with described positive terminal through charge/discharge control circuit, the negative pole of described battery pack is connected with described negative terminal, the input of charging control circuit is connected with the output of described rectifying and voltage-stabilizing module, two outputs of charging control circuit respectively with the positive pole of battery pack, negative pole is connected.One-chip computer module can control charging control circuit and charge/discharge control circuit respectively according to battery status, thus start and stop that are convenient, that control the discharge and recharge of battery pack in time, improve safety and reliability.
As preferably, monomer battery voltage Acquisition Circuit and warning circuit is provided with in described battery housing, the input of monomer battery voltage Acquisition Circuit is connected with described cell respectively, the output of monomer battery voltage Acquisition Circuit is connected with described one-chip computer module respectively, and the output of one-chip computer module is connected with the control end of warning circuit.Monomer battery voltage Acquisition Circuit gathers the voltage of each cell in battery pack and flows to one-chip computer module.When one-chip computer module detect in battery pack have the voltage of any one cell lower than default Cross prevention value time, one-chip computer module sends signal controlling charge/discharge control circuit makes battery pack stop electric discharge, send signal enabling warning circuit, reminding user gives batteries charging in time simultaneously; When one-chip computer module detect in battery pack have the voltage of any one cell higher than default over-charge protective value time; then one-chip computer module sends signal controlling charging control circuit and makes battery pack stopping charging; send signal enabling warning circuit, reminding user battery pack has stopped charging simultaneously.Make user can understand battery state in time, make respective handling in time, battery is suitably maintained, thus improve fail safe, extend battery of electric vehicle group useful life.Warning circuit can adopt audible alarm, luminous alarm or sound light alarming circuit.
As preferably, be provided with inspection leakage resistance in described battery housing, inspection leakage resistance is connected in series in the discharge circuit of described battery pack, and the current output terminal of inspection leakage resistance is connected with described one-chip computer module.Inspection leakage resistance gathers the discharging current of battery pack and flows to one-chip computer module, and when discharging current exceedes the maximum discharge current of default battery pack, one-chip computer module sends signal enabling warning circuit and reports to the police, and reminding user is dealt with in time.Cross put, overcharge and the report to the police sound and light signal that presents of overcurrent all different, be convenient to user's difference.Make user can understand battery state in time, make respective handling in time, battery is suitably maintained, thus improve fail safe, extend battery of electric vehicle group useful life.
As preferably, described rectifying and voltage-stabilizing module comprises rectification circuit that diode D1000 ~ D1003 forms and step-down conversion chip U1000, step-down conversion chip U1000 adopt MP1584 step-down conversion chip, the negative pole of diode D1000 is with the positive pole of diode D1001 and connect and be connected with one end of described coupling receiver coil through electric capacity C1010, the negative pole of diode D1002 is with the positive pole of diode D1003 and connect and be connected with the other end of coupling receiver coil, coupling receiver coil is connected with the negative pole of diode D1004 with the also contact of electric capacity C1010, the positive pole of diode D1004 is connected with the positive pole of diode D1001 through electric capacity C1008, diode D1005 and diode D1004 inverse parallel, electric capacity C1009 and electric capacity C1008 is in parallel, the positive pole of diode D1000 is connected and ground connection with the positive pole of diode D1002, the negative pole of diode D1001 is connected with the negative pole of diode D1003 and is connected with 7 pin of step-down conversion chip U1000, electric capacity EC1000, electric capacity EC1001, electric capacity C1002, between 7 pin that electric capacity EC1002 and electric capacity C1003 is all connected to step-down conversion chip U1000 and earth terminal, the 5 pin ground connection of step-down conversion chip U1000, 6 pin of step-down conversion chip U1000 are through resistance R1000 ground connection, electric capacity C1004 is connected with between 8 pin of step-down conversion chip U1000 and 1 pin, 1 pin of step-down conversion chip U1000, one tunnel is connected with voltage 5VOUT through inductance L 1001, another road is connected with the negative pole of diode D1006, the plus earth of diode D1006, 7 pin of step-down conversion chip U1000 are connected with 2 pin of step-down conversion chip U1000 through resistance R1004, 2 pin of step-down conversion chip U1000 are through resistance R1002 ground connection, 3 pin of step-down conversion chip U1000, one tunnel is through electric capacity C1005 ground connection, another road is through electric capacity C1006 and resistance R1001 ground connection, 4 pin of step-down conversion chip U1000, one tunnel is through resistance R1003 ground connection, another road is connected with voltage 5VOUT through resistance R1005, electric capacity EC1003 is connected with between voltage 5VOUT and earth terminal, the parallel circuits of electric capacity EC1004 and electric capacity C1007, voltage 5VOUT is connected with the input of described charge management module.The induced potential that coupling receiver coil produces carries out full-wave rectification by the rectification circuit in rectifying and voltage-stabilizing module, the voltage stabilizing circuit consisted of MP1584 step-down conversion chip again carries out step-down and voltage stabilizing, the constant voltage realizing 5V exports, maximum output current can reach 1A, flows to charge management module.
Electric motor car of the present utility model, uses above-mentioned electric vehicle wireless charging battery group, is powered by electric vehicle wireless charging battery group to electric motor car, without the need to plug, charges quick and easy, improves electric motor car comfort and convenience.
The beneficial effects of the utility model are: realize charger with radio connection and coil coupling mode and carry out wireless charging to the battery pack of electric motor car, electric bicycle, do not need to use charging wire and connector, avoid charging wire easily persistant, easy fracture, flimsy defect, not only easy to use, and reliability is high.Owing to not needing special charging socket to connect, as long as there is wireless charging device just can carry out wireless charging, there is good versatility, both charged conveniently, economized on resources again.And user can understand battery state in time, makes respective handling in time, suitably maintains battery, thus improve fail safe, extend battery of electric vehicle group useful life.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory syndeton block diagram of the utility model electric vehicle wireless charging battery group.
Fig. 2 is a kind of circuit theory diagrams of rectifying and voltage-stabilizing module in the utility model.
Fig. 3 is a kind of circuit theory syndeton block diagram with the wireless charging device of the utility model electric vehicle wireless charging battery group coupling.
1. battery housings in figure, 2. battery pack, 3. one-chip computer module, 4. wireless receiving module, 5. display module, 6. charge management module, 7. rectifying and voltage-stabilizing module, 8. coupling receiver coil, 9. charging control circuit, 10. charge/discharge control circuit, 11. positive terminals, 12. negative terminals, 13. monomer battery voltage Acquisition Circuit, 14. warning circuits, 15. inspection leakage resistances, 20. wireless charging devices, 21. single machine unit, 22. wireless transmitting unit, 23. display units, 24. push-button units, 25. oscillating units, 26. resonance power amplifying units, 27. coupling firing coils, 28. power subsystems.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of electric vehicle wireless charging battery group of the present embodiment, as shown in Figure 1, comprise battery housing 1 and be arranged on battery pack 2, wireless charging circuit, monomer battery voltage Acquisition Circuit 13, inspection leakage resistance 15 and the warning circuit 14 in battery housing 1.Battery pack 2 comprises multiple cell be connected in series.Wireless charging circuit comprises one-chip computer module 3, wireless receiving module 4, display module 5, the charge management module 6 be made up of charging control circuit 9 and charge/discharge control circuit 10, rectifying and voltage-stabilizing module 7 and coupling receiver coil 8, the output of coupling receiver coil 8 is connected with the input of rectifying and voltage-stabilizing module 7, the output of rectifying and voltage-stabilizing module 7 is connected with the input of charging control circuit 9, and two outputs of charging control circuit 9 are connected with the positive pole of battery pack 2, negative pole respectively.Battery housing 1 is provided with positive terminal 11 and negative terminal 12, the positive pole of battery pack 2 is connected with positive terminal 11 through charge/discharge control circuit 10, and the control end of charging control circuit 9 and charge/discharge control circuit 10 is connected with one-chip computer module 3 respectively.The negative pole of battery pack 2 is connected with negative terminal 12 through inspection leakage resistance 15, and the current output terminal of inspection leakage resistance 15 is connected with one-chip computer module 3.The input of monomer battery voltage Acquisition Circuit 13 is connected with cell respectively, and the output of monomer battery voltage Acquisition Circuit 13 is connected with one-chip computer module 3 respectively.Wireless receiving module 4, display module 5, warning circuit 14 are connected with one-chip computer module 3 respectively, and in the present embodiment, wireless receiving module 4 adopts bluetooth communication module.In Fig. 1, dotted line represents wireless connections, and solid line is represented and to be connected by wire.
As shown in Figure 2, in the present embodiment, rectifying and voltage-stabilizing module 7 comprises rectification circuit and step-down conversion chip U1000, the step-down conversion chip U1000 employing MP1584 step-down conversion chip of diode D1000 ~ D1003 formation, the negative pole of diode D1000 is with the positive pole of diode D1001 and connect and be connected with one end of described coupling receiver coil 8 through electric capacity C1010, the negative pole of diode D1002 is with the positive pole of diode D1003 and connect and be connected with the other end of coupling receiver coil 8, coupling receiver coil 8 is connected with the negative pole of diode D1004 with the also contact of electric capacity C1010, the positive pole of diode D1004 is connected with the positive pole of diode D1001 through electric capacity C1008, diode D1005 and diode D1004 inverse parallel, electric capacity C1009 and electric capacity C1008 is in parallel, the positive pole of diode D1000 is connected and ground connection with the positive pole of diode D1002, the negative pole of diode D1001 is connected with the negative pole of diode D1003 and is connected with 7 pin of step-down conversion chip U1000, electric capacity EC1000, electric capacity EC1001, electric capacity C1002, between 7 pin that electric capacity EC1002 and electric capacity C1003 is all connected to step-down conversion chip U1000 and earth terminal, the 5 pin ground connection of step-down conversion chip U1000, 6 pin of step-down conversion chip U1000 are through resistance R1000 ground connection, electric capacity C1004 is connected with between 8 pin of step-down conversion chip U1000 and 1 pin, 1 pin of step-down conversion chip U1000, one tunnel is connected with voltage 5VOUT through inductance L 1001, another road is connected with the negative pole of diode D1006, the plus earth of diode D1006, 7 pin of step-down conversion chip U1000 are connected with 2 pin of step-down conversion chip U1000 through resistance R1004, 2 pin of step-down conversion chip U1000 are through resistance R1002 ground connection, 3 pin of step-down conversion chip U1000, one tunnel is through electric capacity C1005 ground connection, another road is through electric capacity C1006 and resistance R1001 ground connection, 4 pin of step-down conversion chip U1000, one tunnel is through resistance R1003 ground connection, another road is connected with voltage 5VOUT through resistance R1005, electric capacity EC1003 is connected with between voltage 5VOUT and earth terminal, the parallel circuits of electric capacity EC1004 and electric capacity C1007, voltage 5VOUT is connected with the input of charge management module 6.
The wireless charging device 20 of use is mated as shown in Figure 3 with the electric vehicle wireless charging battery group of the present embodiment, wireless charging device 20 comprises single machine unit 21, wireless transmitting unit 22, display unit 23, push-button unit 24, oscillating unit 25, resonance power amplifying unit 26 and coupling firing coil 27 and provide the power subsystem 28 of operating voltage for whole wireless charging device, wireless transmitting unit 22, display unit 23 and push-button unit 24 are connected with single machine unit 21 respectively, the output of single machine unit 21 is connected with the input of oscillating unit 25, the output of oscillating unit 25 is connected with the input of resonance power amplification unit 26, the output of resonance power amplifying unit 26 is connected with the input of coupling firing coil 27, coupling receiver coil 8 in coupling firing coil 27 and battery housing 1 matches.In the present embodiment, wireless transmitter module 22 adopts bluetooth communication module.
Use the electric motor car of above-mentioned electric vehicle wireless charging battery group, powered to electric motor car by electric vehicle wireless charging battery group, charge quick and easy, improve electric motor car comfort and convenience.
The course of work: electric vehicle wireless charging battery group need and wireless charging device with the use of, one-chip computer module in battery housing sends data and control command controls wireless receiving module, the wireless transmitting unit in wireless receiving module and wireless charging device is made to carry out mating and communication, after coupling and communication successfully, single machine unit in wireless charging device controls the TTL ripple that oscillating unit produces 50KHz, coupling firing coil is made to produce the magnetic field of alternation by resonance power amplifying unit again, coupling receiver coil near coupling firing coil will produce induced potential, induced potential carries out full-wave rectification and step-down by rectifying and voltage-stabilizing module, voltage stabilizing process, export constant voltage to charging control circuit, by charging control circuit, battery pack is charged,
Monomer battery voltage Acquisition Circuit gathers the voltage of each cell in battery pack and flows to one-chip computer module; When one-chip computer module detect in battery pack have the voltage of any one cell lower than default Cross prevention value time, then one-chip computer module sends signal controlling charge/discharge control circuit and makes battery pack stopping electric discharge, send signal enabling warning circuit to report to the police, reminding user gives batteries charging in time simultaneously; When one-chip computer module detect in battery pack have the voltage of any one cell higher than default over-charge protective value time, then one-chip computer module sends signal controlling charging control circuit and makes battery pack stopping charging, send signal enabling warning circuit to report to the police, reminding user battery pack has stopped charging simultaneously;
Inspection leakage resistance gathers the discharging current of battery pack and flows to one-chip computer module, and when discharging current exceedes the maximum discharge current of default battery pack, one-chip computer module sends signal enabling warning circuit and reports to the police, and reminding user is dealt with in time;
One-chip computer module is judged battery pack dump energy by the monomer battery voltage information detected, when battery pack dump energy is lower than set point, then one-chip computer module sends signal enabling warning circuit and reports to the police, and reminding user is dealt with in time;
Above-mentioned mistake is put, overcharge to report to the police with overcurrent and the reports to the police sound and light signal that presents of dump energy all different, be convenient to user and distinguish.
Claims (6)
1. an electric vehicle wireless charging battery group, the battery pack (2) that it is characterized in that comprising battery housing (1) and be located in battery housing (1) and wireless charging circuit, described battery pack (2) comprises multiple cell being connected in series or being connected in parallel, described wireless charging circuit comprises one-chip computer module (3), wireless receiving module (4), display module (5), charge management module (6), rectifying and voltage-stabilizing module (7) and coupling receiver coil (8), the output of coupling receiver coil (8) is connected with the input of rectifying and voltage-stabilizing module (7), the output of rectifying and voltage-stabilizing module (7) is connected with described battery pack (2) through charge management module (6), wireless receiving module (4), display module (5) and charge management module (6) are connected with one-chip computer module (3) respectively.
2. a kind of electric vehicle wireless charging battery group according to claim 1, it is characterized in that described charge management module (6) comprises charging control circuit (9) and charge/discharge control circuit (10), the control end of charging control circuit (9) and charge/discharge control circuit (10) is connected with described one-chip computer module (3) respectively, described battery housing (1) is provided with positive terminal (11) and negative terminal (12), the positive pole of described battery pack (2) is connected with described positive terminal (11) through charge/discharge control circuit (10), the negative pole of described battery pack (2) is connected with described negative terminal (12), the input of charging control circuit (9) is connected with the output of described rectifying and voltage-stabilizing module (7), two outputs of charging control circuit (9) respectively with the positive pole of battery pack (2), negative pole is connected.
3. a kind of electric vehicle wireless charging battery group according to claim 1 and 2, it is characterized in that being provided with monomer battery voltage Acquisition Circuit (13) and warning circuit (14) in described battery housing (1), the input of monomer battery voltage Acquisition Circuit (13) is connected with described cell respectively, the output of monomer battery voltage Acquisition Circuit (13) is connected with described one-chip computer module (3) respectively, and the output of one-chip computer module (3) is connected with the control end of warning circuit (14).
4. a kind of electric vehicle wireless charging battery group according to claim 3, it is characterized in that in described battery housing (1), being provided with inspection leakage resistance (15), inspection leakage resistance (15) is connected in series in the discharge circuit of described battery pack (2), and the current output terminal of inspection leakage resistance (15) is connected with described one-chip computer module (3).
5. a kind of electric vehicle wireless charging battery group according to claim 1 and 2, it is characterized in that described rectifying and voltage-stabilizing module (7) comprises rectification circuit and step-down conversion chip U1000, the step-down conversion chip U1000 employing MP1584 step-down conversion chip of diode D1000 ~ D1003 formation, the negative pole of diode D1000 is with the positive pole of diode D1001 and connect and be connected with one end of described coupling receiver coil (8) through electric capacity C1010, the negative pole of diode D1002 is with the positive pole of diode D1003 and connect and be connected with the other end of coupling receiver coil (8), coupling receiver coil (8) is connected with the negative pole of diode D1004 with the also contact of electric capacity C1010, the positive pole of diode D1004 is connected with the positive pole of diode D1001 through electric capacity C1008, diode D1005 and diode D1004 inverse parallel, electric capacity C1009 and electric capacity C1008 is in parallel, the positive pole of diode D1000 is connected and ground connection with the positive pole of diode D1002, the negative pole of diode D1001 is connected with the negative pole of diode D1003 and is connected with 7 pin of step-down conversion chip U1000, electric capacity EC1000, electric capacity EC1001, electric capacity C1002, between 7 pin that electric capacity EC1002 and electric capacity C1003 is all connected to step-down conversion chip U1000 and earth terminal, the 5 pin ground connection of step-down conversion chip U1000, 6 pin of step-down conversion chip U1000 are through resistance R1000 ground connection, electric capacity C1004 is connected with between 8 pin of step-down conversion chip U1000 and 1 pin, 1 pin of step-down conversion chip U1000, one tunnel is connected with voltage 5VOUT through inductance L 1001, another road is connected with the negative pole of diode D1006, the plus earth of diode D1006, 7 pin of step-down conversion chip U1000 are connected with 2 pin of step-down conversion chip U1000 through resistance R1004, 2 pin of step-down conversion chip U1000 are through resistance R1002 ground connection, 3 pin of step-down conversion chip U1000, one tunnel is through electric capacity C1005 ground connection, another road is through electric capacity C1006 and resistance R1001 ground connection, 4 pin of step-down conversion chip U1000, one tunnel is through resistance R1003 ground connection, another road is connected with voltage 5VOUT through resistance R1005, electric capacity EC1003 is connected with between voltage 5VOUT and earth terminal, the parallel circuits of electric capacity EC1004 and electric capacity C1007, voltage 5VOUT is connected with the input of described charge management module (6).
6. an electric motor car, is characterized in that the electric vehicle wireless charging battery group comprised described in claim 1 or 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520705359.9U CN204928322U (en) | 2015-09-11 | 2015-09-11 | Electric motor car is with wireless rechargeable battery group and electric motor car |
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| CN201520705359.9U CN204928322U (en) | 2015-09-11 | 2015-09-11 | Electric motor car is with wireless rechargeable battery group and electric motor car |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226745A (en) * | 2015-09-11 | 2016-01-06 | 浙江超威创元实业有限公司 | Electric vehicle wireless charging battery group and charging method thereof and electric motor car |
| CN106532861A (en) * | 2016-12-28 | 2017-03-22 | 秦永振 | Differential full charge judgment measurement structure for charging battery |
| CN106647468A (en) * | 2016-11-30 | 2017-05-10 | 广东石油化工学院 | Poisonous gas leakage source point intelligent detection device |
-
2015
- 2015-09-11 CN CN201520705359.9U patent/CN204928322U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226745A (en) * | 2015-09-11 | 2016-01-06 | 浙江超威创元实业有限公司 | Electric vehicle wireless charging battery group and charging method thereof and electric motor car |
| CN106647468A (en) * | 2016-11-30 | 2017-05-10 | 广东石油化工学院 | Poisonous gas leakage source point intelligent detection device |
| CN106532861A (en) * | 2016-12-28 | 2017-03-22 | 秦永振 | Differential full charge judgment measurement structure for charging battery |
| CN106532861B (en) * | 2016-12-28 | 2020-04-28 | 秦永振 | Differential full-charge judgment and measurement structure for rechargeable battery |
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