CN104753141A - 12V charging platform circuit compatible with and suitable for 24V platform electromobile - Google Patents
12V charging platform circuit compatible with and suitable for 24V platform electromobile Download PDFInfo
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- CN104753141A CN104753141A CN201510167861.3A CN201510167861A CN104753141A CN 104753141 A CN104753141 A CN 104753141A CN 201510167861 A CN201510167861 A CN 201510167861A CN 104753141 A CN104753141 A CN 104753141A
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- relay
- charging
- platform
- low tension
- tension battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a 12V charging platform circuit compatible with and suitable for a 24V platform electromobile and mainly solves the problem of resource waste caused by the fact that direct-current charging machines of existing 12V vehicles and 24V vehicles cannot be shared. The 12V charging platform circuit comprises a low-voltage storage battery, a relay J0 and multiple safety pieces F1-Fn, one end of the relay J0 is connected with an anode of the low-voltage storage battery, input ends of the safety pieces are connected with the other end of the relay J0, an output end of one of the safety pieces is used for being connected with an output end of the direct-current charging machine, other safety pieces are connected with a low-voltage electric part of the electromobile, the anode of the low-voltage storage battery is used for being connected with a constant electric device of the electromobile, the other end of the relay J0 is used for being connected with a VCU (vehicle control unit) and outputs control electromobile charging ACC, a diode D1 is connected between the direct-current charging machine and the safety pieces, and a cathode of the low-voltage storage battery is connected with a bond strap. By the 12V charging platform circuit, the 24V vehicles are enabled to be compatible with direct-current charging machines for 12V platforms and 24V platforms, so that building cost of direct-current charging machines special for the 24V vehicles is reduced, and sharing performance of the direct-current charging machines is improved.
Description
Technical field
The present invention relates to a kind of 24V platform electric motor car compatibility and be suitable for 12V charging platform circuit, belong to electric automobile for electrical domain.
Background technology
Along with the development of society and the popularization of national policy, the enterprise of electric automobile and vehicle get more and more, the car load low-voltage electrical platform of current electric automobile can be divided into two kinds: 12V and 24V, passenger car, the dolly car loads such as pick up are 12V low-voltage electrical platform, passenger vehicle, the cart car loads such as lorry are 24V low-voltage electrical platform, be applicable to 12V vehicle so the electric vehicle DC charger built just is divided into and is applicable to 24V vehicle two states, according to GB GB/T20234 requirement, one group of low pressure accessory power supply can be exported during DC charging motor work, for providing car load low-tension supply during charging electric vehicle, the low pressure accessory power supply that the DC charging motor being applicable to 12V vehicle exports is 12V, the low pressure accessory power supply that the DC charging motor being applicable to 24V vehicle exports is 24V, when 24V vehicle uses the charging of 12V charger, the 12V low pressure accessory power supply that charger exports cannot meet the electric component operating voltage of 24V platform, the instrument of work is needed during charging, BMS, insulation testers etc. cannot normally start, vehicle is caused to charge normal, so it is the charger of 24V that 24V vehicle needs to build separately output accessory power supply, the charger of 12V vehicle cannot be used, resource can not share, car cost is caused to increase, the wasting of resources.
Summary of the invention
A kind of 24V platform electric motor car compatibility is the object of the present invention is to provide to be suitable for 12V charging platform circuit, mainly solving existing 12V Vehicular charging machine cannot to 24V Vehicular charging, the DC charging motor of 12V vehicle and 24V vehicle can not share, and causes the problem of the wasting of resources.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of 24V platform electric motor car compatibility is suitable for 12V charging platform circuit, comprise low tension battery, the relay J 0 that one end is connected with low tension battery positive pole, multiple safety plate F1 ~ Fn that input is connected with the other end of relay J 0 simultaneously, the output of one of them safety plate is for connecting the output of DC charging motor, all the other safety plates are connected with the low-voltage electrical parts of vehicle, low tension battery positive pole is for connecting the normal electric installation of vehicle, relay J 0 other end is used for being connected with car load VCU, and export control Vehicular charging ACC, diode D1 is also connected with between DC charging motor and safety plate, described low tension battery negative pole connects ground strap.
Particularly, one end of described relay J 0 coil is connected with low tension battery positive pole, and the other end is used for being connected with car load VCU, and one end of relay J 0 switch is connected with low tension battery positive pole, the other end is then connected with multiple safety plate F1 ~ Fn respectively, and exports control Vehicular charging ACC.
Further, relay J 1 and relay J 2 is also connected with between described low tension battery both positive and negative polarity, described relay J 1 and relay J 2 and the phase-locked company of vehicle ignition, be also connected with safety plate F0 between relay J 1 and ignition lock, described relay J 1 is also connected with the output of DC charging motor; Described relay J 2 also exports and controls Vehicular charging ACC.
Further, one end of described relay J 1 switch is connected with low tension battery positive pole, and the other end is connected with safety plate F0, and relay J 1 coil is then connected with the output of DC charging motor; One end of described relay J 2 coil is connected with ignition lock, the other end is then connected with low tension battery negative pole, one end of the switch of relay J 2 is connected with low tension battery positive pole, and the other end is then connected with multiple safety plate F1 ~ Fn respectively, and exports control Vehicular charging ACC.
Further, described low tension battery positive pole is also connected with safety plate Fn ', and the output of this safety plate is used for often being electrically connected with the instrument of vehicle.
Again further, described low-voltage electrical parts comprise BMS, instrument 1 grade of electricity, insulation tester of vehicle.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention makes 24V vehicle can compatible 12V platform DC charging motor and 24V platform DC charging motor, reduces the construction cost that 24V vehicle turns special DC charger, increases the shared performance of DC charging motor.
(2) fail safe when the present invention takes into full account charging, 12V or 24V electric control relay J 1 adhesive that DC charging motor exports, the key switch disconnecting ignition lock is powered, and realizes driving interlock function.
(3), in the present invention, 24V low tension platform motor vehicle carrys out compatible 12V voltage platform charger by design relay J 0 mode; 24V low tension platform motor vehicle realizes compatible 12V voltage platform charger by self low tension battery supply power mode.
(4) structure of the present invention is simple, with low cost, practical, is applicable to very much large-scale promotion and uses.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the present invention-embodiment.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 1, a kind of 24V platform electric motor car compatibility is suitable for 12V charging platform circuit, comprise low tension battery, the relay J 0 be connected with low tension battery positive pole respectively, J1, J2, safety plate F5, low tension battery positive pole is for connecting normal electric installation, one end of relay J 0 coil is connected with low tension battery positive pole, the other end is connected with car load VCU, one end of relay J 0 switch is connected with low tension battery positive pole, the other end is connected respectively to safety plate F1, safety plate F3, safety plate F4, the input of safety plate F2, the other end of relay J 0 switch is also connected with one end of relay J 2 switch, the other end of relay J 2 switch is then connected with low tension battery positive pole, low tension battery negative pole is connected with ignition lock by relay J 2 coil, ignition lock is also connected with safety plate F0, the safety plate F0 other end is connected with relay J 1 switch, relay J 1 coil is then connected to the output of safety plate F2 and is connected with the output of DC charging motor.
In the present embodiment, relay J 0 is connected the charging ACC of vehicle as the relay controlling charging ACC with J2, relay J 1 is as cut-off relay, and low tension battery negative pole connects ground strap.
In the present embodiment, the output of safety plate F1, safety plate F5, safety plate F3, safety plate F4, safety plate F2 connects BMS, instrument often electricity, instrument 1 grade of electricity, insulation tester, the DC charging motor output of vehicle respectively, and DC charging motor gives the normal electricity of BMS, instrument, the charging of instrument 1 grade of electricity, insulation tester respectively by safety plate F2.
In the present embodiment, between safety plate and DC charging motor output, be also connected with diode D1, low tension battery powered to power with DC charging motor to keep apart.
Operation principle of the present invention is: when vehicle detection inserts charging socket to DC charging rifle, namely car load VCU exports earth signal 8105 control relay J0 adhesive.Work as battery when vehicle detection to power and be full of electricity, namely disconnect and export earth signal 8105, when vehicle does not detect that DC charging rifle inserts charging socket, then do not export 8105 earth signals.
What deserves to be explained is, the electric component of vehicle of the present invention is the existing parts that vehicle itself has, in car load, the setting of electric component is constant with annexation each other, the present invention just devises a kind of 24V platform electric motor car compatibility and is suitable for 12V charging platform circuit structure, for being connected in the electric component of the vehicle described in the application, to reach effect of the present invention.
The course of work of the present invention is:
1, when 24 V vehicle access 24V DC charging motor charging, car load VCU exports 8105 earth signals, control relay J0 adhesive, DC charging motor exports 24V electricity 8505, power to the BMS of vehicle, the normal electricity of instrument, instrument 1 grade of electricity, insulation tester through diode D1 and safety plate F2, realize normal power supply; DC charging motor exports the 8505 control relay J1 adhesives of 24V electricity simultaneously, and the key switch disconnecting ignition lock powers 8901, realizes driving interlocking; The 24V electricity 8505 that DC charging motor exports simultaneously can charge to low tension battery through relay J 0.
2, when 24 V vehicle access 12V DC charging motor charging, car load VCU exports 8105 earth signals, control relay J0 adhesive, low tension battery is powered and to be powered to the BMS of vehicle, the normal electricity of instrument, instrument 1 grade of electricity, insulation tester through relay J 0, realizes normal power supply; The 12V electricity 8505 that DC charging motor exports, control relay J1 adhesive, the key switch disconnecting ignition lock powers 8901, realizes driving interlocking; Now, the 12V electricity of the 24V electricity of low tension battery confession and the 12V electricity of DC charging motor output and DC charging motor output is kept apart by diode D1.
By the present invention, 24V low tension platform motor vehicle carrys out compatible 12V voltage platform charger by design relay J 0 mode; 24V low tension platform motor vehicle realizes compatible 12V voltage platform charger by self low tension battery supply power mode.
By the present invention, make 24V vehicle can compatible 12V platform DC charging motor and 24V platform DC charging motor, reduce the construction cost that 24V vehicle turns special DC charger, increase the shared performance of DC charging motor.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical problem, even if make some on the invention without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (6)
1. a 24V platform electric motor car compatibility is suitable for 12V charging platform circuit, it is characterized in that, comprise low tension battery, the relay J 0 that one end is connected with low tension battery positive pole, multiple safety plate F1 ~ Fn that input is connected with the other end of relay J 0 simultaneously, the output of one of them safety plate is for connecting the output of DC charging motor, all the other safety plates are connected with the low-voltage electrical parts of vehicle, low tension battery positive pole is for connecting the normal electric installation of vehicle, relay J 0 other end is used for being connected with car load VCU, and export control Vehicular charging ACC, diode D1 is also connected with between DC charging motor and safety plate, described low tension battery negative pole connects ground strap.
2. a kind of 24V platform electric motor car compatibility according to claim 1 is suitable for 12V charging platform circuit, it is characterized in that, one end of described relay J 0 coil is connected with low tension battery positive pole, the other end is used for being connected with car load VCU, one end of relay J 0 switch is connected with low tension battery positive pole, the other end is then connected with multiple safety plate F1 ~ Fn respectively, and exports control Vehicular charging ACC.
3. a kind of 24V platform electric motor car compatibility according to claim 2 is suitable for 12V charging platform circuit, it is characterized in that, relay J 1 and relay J 2 is also connected with between described low tension battery both positive and negative polarity, described relay J 1 and relay J 2 and the phase-locked company of vehicle ignition, also be connected with safety plate F0 between relay J 1 and ignition lock, described relay J 1 is also connected with the output of DC charging motor; Described relay J 2 also exports and controls Vehicular charging ACC.
4. a kind of 24V platform electric motor car compatibility according to claim 3 is suitable for 12V charging platform circuit, it is characterized in that, one end of described relay J 1 switch is connected with low tension battery positive pole, and the other end is connected with safety plate F0, and relay J 1 coil is then connected with the output of DC charging motor; One end of described relay J 2 coil is connected with ignition lock, the other end is then connected with low tension battery negative pole, one end of the switch of relay J 2 is connected with low tension battery positive pole, and the other end is then connected with multiple safety plate F1 ~ Fn respectively, and exports control Vehicular charging ACC.
5. a kind of 24V platform electric motor car compatibility according to claim 1 or 2 or 3 or 4 is suitable for 12V charging platform circuit, it is characterized in that, described low tension battery positive pole is also connected with safety plate Fn ', and the output of this safety plate is used for often being electrically connected with the instrument of vehicle.
6. a kind of 24V platform electric motor car compatibility according to claim 5 is suitable for 12V charging platform circuit, and it is characterized in that, described low-voltage electrical parts comprise BMS, instrument 1 grade of electricity, insulation tester of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167861.3A CN104753141B (en) | 2015-04-10 | 2015-04-10 | A kind of compatible applicable 12V charging platform circuits of 24V platforms electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167861.3A CN104753141B (en) | 2015-04-10 | 2015-04-10 | A kind of compatible applicable 12V charging platform circuits of 24V platforms electric car |
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| Publication Number | Publication Date |
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| CN104753141A true CN104753141A (en) | 2015-07-01 |
| CN104753141B CN104753141B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510167861.3A Expired - Fee Related CN104753141B (en) | 2015-04-10 | 2015-04-10 | A kind of compatible applicable 12V charging platform circuits of 24V platforms electric car |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993536A (en) * | 2015-07-03 | 2015-10-21 | 南京金龙新能源汽车研究院有限公司 | Low-voltage output platform compatible with direct-current charging pile |
| CN107181249A (en) * | 2016-03-09 | 2017-09-19 | 宝沃汽车（中国）有限公司 | Electric automobile and its low tension feed unit |
| CN108773281A (en) * | 2018-05-03 | 2018-11-09 | 成都雅骏新能源汽车科技股份有限公司 | A kind of electromobile charging management control method |
| CN108944481A (en) * | 2017-05-18 | 2018-12-07 | 郑州宇通客车股份有限公司 | A kind of charging circuit and method of the automobile-used compatible 12V of pure electric coach and 24V charging |
| CN110385994A (en) * | 2019-06-10 | 2019-10-29 | 特瓦特能源科技有限公司 | Low-voltage power supply control method, device, storage medium and electronic equipment |
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| US20130106424A1 (en) * | 2011-10-26 | 2013-05-02 | Randell Lee Wilferd | Quick reference relay diagnostic circuit |
| CN203151207U (en) * | 2013-04-01 | 2013-08-21 | 谷润雨 | Vehicle emergency power converting system |
| CN203287716U (en) * | 2013-06-24 | 2013-11-13 | 天津山河装备开发有限公司 | Safety control system of engineering machinery engine |
| CN204651955U (en) * | 2015-04-10 | 2015-09-16 | 成都雅骏新能源汽车科技股份有限公司 | A kind of 24V platform electric motor car compatibility is suitable for 12V charging platform circuit |
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2015
- 2015-04-10 CN CN201510167861.3A patent/CN104753141B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101442213A (en) * | 2008-12-22 | 2009-05-27 | 奇瑞汽车股份有限公司 | Apparatus for controlling automobile quiescent current |
| US20130106424A1 (en) * | 2011-10-26 | 2013-05-02 | Randell Lee Wilferd | Quick reference relay diagnostic circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104993536A (en) * | 2015-07-03 | 2015-10-21 | 南京金龙新能源汽车研究院有限公司 | Low-voltage output platform compatible with direct-current charging pile |
| CN107181249A (en) * | 2016-03-09 | 2017-09-19 | 宝沃汽车（中国）有限公司 | Electric automobile and its low tension feed unit |
| CN108944481A (en) * | 2017-05-18 | 2018-12-07 | 郑州宇通客车股份有限公司 | A kind of charging circuit and method of the automobile-used compatible 12V of pure electric coach and 24V charging |
| CN108773281A (en) * | 2018-05-03 | 2018-11-09 | 成都雅骏新能源汽车科技股份有限公司 | A kind of electromobile charging management control method |
| CN108773281B (en) * | 2018-05-03 | 2020-03-17 | 成都雅骏新能源汽车科技股份有限公司 | Charging management control method for electric automobile |
| CN110385994A (en) * | 2019-06-10 | 2019-10-29 | 特瓦特能源科技有限公司 | Low-voltage power supply control method, device, storage medium and electronic equipment |
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| Publication number | Publication date |
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| CN104753141B (en) | 2017-11-10 |
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