CN203339750U - An alternating-direct current charging and discharging circuit and a plug-in vehicle having the circuit - Google Patents
An alternating-direct current charging and discharging circuit and a plug-in vehicle having the circuit Download PDFInfo
- Publication number
- CN203339750U CN203339750U CN2013203524160U CN201320352416U CN203339750U CN 203339750 U CN203339750 U CN 203339750U CN 2013203524160 U CN2013203524160 U CN 2013203524160U CN 201320352416 U CN201320352416 U CN 201320352416U CN 203339750 U CN203339750 U CN 203339750U
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- charging
- contactor
- charging contactor
- control loop
- main motor
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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
Abstract
The utility model relates to an alternating-direct current charging and discharging circuit and a plug-in vehicle having the circuit, and belongs to the technical field of new energy vehicles. According to the utility model, an auxiliary normally-opened dynamic contact of an alternating current charging contactor and an auxiliary normally-opened dynamic contact of a direct current charging contactor are connected in series in a main motor contactor coil control loop of the vehicle, and the auxiliary normally-opened dynamic contact of the direct current charging contactor or a normally-opened dynamic contact expanded by the direct current charging contactor is connected in series in an alternating current charging contactor coil control loop, so that at the same time, the pull-in priority of the direct current charging contactor is prior to the pull-in priority of the alternating current charging contactor, the pull-in priority of the alternating current charging contactor is prior to the pull-in priority of a main motor contactor, and one and only one of the main motor contactor, the direct current charging contactor, and the alternating current charging contactor is pulled in, thereby guaranteeing the security of charging.
Description
Technical field
The utility model relates to a kind of alternating current-direct current charge-discharge circuit and reaches the plug-in automobile with this circuit, belongs to the new energy vehicle technical field.
Background technology
At present, along with the integral new-energy passenger of applying on market increases gradually, occurred a kind ofly can carrying out respectively direct current to vehicle mounted dynamic battery, the new model of AC charging, its charge-discharge circuit comprises battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, main electric machine controller is connected with battery by the normally opened contact of main motor contactor, the AC charging socket is received on battery by the normally opened contact of AC charging contactor, DC charging socket is received battery-end by the normally opened contact of DC charging contactor.When vehicle is charged, may occur starting vehicle in the situation of the not clear vehicle-state of certain operations personnel, thereby cause unknown danger, injury.Because vehicle can be exchanged, DC charging, just may occur vehicle is carried out to the unsafe condition of AC and DC charging simultaneously.In order to ensure the vehicle in charged state, to being perfectly safe of surrounding environment and personnel, in the time of need to be to charging, the state of vehicle carries out effective hardware controls.
The utility model content
The purpose of this utility model is to provide a kind of alternating current-direct current charge-discharge circuit and reaches the plug-in automobile with this circuit, to solve vehicle when the charged state, because misoperation causes starting vehicle, thereby while causing the person, vehicle injury and vehicle to there is AC charging and direct-current charging interface, owing to occurring, in not clear situation, vehicle is carried out to the problem that the AC and DC charging is caused danger simultaneously simultaneously.
The utility model provides a kind of alternating current-direct current charge-discharge circuit for solving the problems of the technologies described above, comprise battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, battery is connected with main electric machine controller electric discharge by main motor contactor, battery is respectively by the AC charging contactor, DC charging contactor and AC charging socket, DC charging socket connects inductive charging, be serially connected with the auxiliary contact of AC charging contactor and the auxiliary contact of DC charging contactor in described main motor contactor coil control loop, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop.
Control loop one end of described DC charging contactor coil is connected with the negative control of BMS signal, and the other end is connected with DC charging contactor control end.
The utility model also provides a kind of plug-in automobile for solving the problems of the technologies described above, comprise main motor and alternating current-direct current charge-discharge circuit, the alternating current-direct current charge-discharge circuit comprises battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, main electric machine controller is connected with the battery discharge end by main motor contactor, AC charging socket and DC charging socket are connected to battery charging terminal by AC charging contactor and DC charging contactor respectively, be serially connected with the auxiliary auxiliary contact that often start contact and DC charging contactor of AC charging contactor in described main motor contactor coil control loop, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop.
Control loop one end of described DC charging contactor coil is connected with the negative control of BMS signal, and the other end is connected with DC charging contactor control end.
The beneficial effects of the utility model are: the utility model is by the auxiliary contact of serial connection AC charging contactor and the auxiliary contact of DC charging contactor in main motor contactor coil control loop, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop, make at synchronization, DC charging contactor adhesive priority is higher than AC charging contactor adhesive priority, AC charging contactor adhesive priority is higher than main motor contactor adhesive priority, main motor contactor, DC charging contactor and AC charging contactor have and only have an adhesive, thereby guarantee charging safety.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model alternating current-direct current charge-discharge circuit.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
The embodiment of a kind of plug-in automobile of the present utility model
The plug-in automobile of the utility model comprises main motor and the alternating current-direct current charge-discharge circuit that drives vehicle, wherein the alternating current-direct current charge-discharge circuit comprises battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, battery is connected with main electric machine controller electric discharge by main motor contactor, battery is respectively by the AC charging contactor, DC charging contactor and AC charging socket, DC charging socket connects inductive charging, be serially connected with the auxiliary contact of AC charging contactor and the auxiliary contact of DC charging contactor in main motor contactor coil control loop, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop.
Physical circuit in the present embodiment as shown in Figure 1, this alternating current-direct current charging circuit comprises battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, the normally opened contact of main motor contactor is K1, the normally opened contact of AC charging contactor is K6, auxiliary contact are K5, the normally opened contact of DC charging contactor is K2, auxiliary contact are K4, the discharge end that normally opened contact K1 and the fuse of main electric machine controller by main motor contactor is linked into battery, the AC charging socket is linked into the charging end of battery by the normally opened contact K6 of fuse and AC charging contactor, DC charging socket is linked into the charging end of battery by the normally opened contact K2 of DC charging contactor, main motor contactor coil control loop is by main motor contactor control end, main motor contactor coil, the auxiliary contact K4 of DC charging contactor and the auxiliary contact K5 of AC charging contactor serial connection form, AC charging contactor coil control loop is by AC charging contactor control end, the auxiliary contact K3 serial connection of AC charging contactor coil and the expansion of DC charging contactor forms, the auxiliary contact K3 of DC charging contactor expansion is serial connection one direct current auxiliary relay on the fixed contact of DC charging contactor auxiliary contact K4, contact K3 is controlled by this direct current auxiliary relay, main motor contactor, the AC charging contactor, the auxiliary contact of DC charging contactor move with its normally opened contact respectively simultaneously.
When main motor contactor normally opened contact K1 adhesive, DC charging contactor normally opened contact K2 disconnects, and when AC charging contactor normally opened contact K6 disconnects, illustrates that vehicle is in the non-charged state of travelling; When main motor contactor normally opened contact K1 adhesive, DC charging contactor normally opened contact K2 disconnects, during AC charging contactor normally opened contact K6 adhesive, vehicle AC charging socket external AC power supply is described, the negative control of BMS signal is effective, AC charging contactor auxiliary contact K5 becomes position 2 by position 1, and main motor contactor normally opened contact K1 is disconnected, and main electric machine controller current supply circuit disconnects; When main motor contactor normally opened contact K1 adhesive, DC charging contactor normally opened contact K2 adhesive, when AC charging contactor normally opened contact K6 disconnects, vehicle DC charging socket external direct current power supply is described, the negative control of BMS signal is effective, and the DC charging contactor is often opened normally opened contact K2 adhesive, and its auxiliary contact K4 changes to position 2 by position 1 simultaneously, make main contactor often open normally opened contact K1 and disconnect, main electric machine controller current supply circuit disconnects; When main motor contactor normally opened contact K1 adhesive, DC charging contactor normally opened contact K2 adhesive, during AC charging contactor normally opened contact K6 adhesive, vehicle AC charging socket and DC charging socket external power supply respectively is described, the negative control of BMS signal is effective, and main motor contactor normally opened contact K1 disconnects, and main electric machine controller current supply circuit is disconnected, AC charging contactor normally opened contact K6 disconnects, and the AC charging loop is disconnected; When main contactor normally opened contact K1 disconnects, DC charging contactor normally opened contact K2 disconnects, and when AC charging contactor normally opened contact K6 disconnects, illustrates that vehicle is in the non-charged state of stopping; When main motor contactor normally opened contact K1 disconnects, DC charging contactor normally opened contact K2 disconnects, and during AC charging contactor normally opened contact K6 adhesive, vehicle AC charging socket external AC power supply is described; When main contactor normally opened contact K1 disconnects, DC charging contactor normally opened contact K2 adhesive, when AC charging contactor normally opened contact K6 disconnects, illustrate from vehicle DC charging socket external direct current power supply; When main motor contactor normally opened contact K1 disconnects, DC charging contactor normally opened contact K2 adhesive, during AC charging contactor normally opened contact K6 adhesive, vehicle AC charging socket and DC charging socket external power supply respectively is described, the negative control of BMS signal is effective, and main contactor normally opened contact K1 disconnects, and main electric machine controller current supply circuit is disconnected, AC charging contactor normally opened contact K6 disconnects, and the AC charging loop is disconnected.
The embodiment of a kind of alternating current-direct current charge-discharge circuit of the present utility model
As shown in Figure 1, alternating current-direct current charge-discharge circuit of the present utility model comprises battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, main electric machine controller is connected with the battery discharge end by main motor contactor, AC charging socket and DC charging socket are connected to battery charging terminal by AC charging contactor and DC charging contactor respectively, be serially connected with the auxiliary auxiliary contact that often start contact and DC charging contactor of AC charging contactor in main motor contactor coil control loop, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop.The structure that it is concrete and operation principle have been described in detail in the embodiment of plug-in automobile, no longer repeat here to repeat.
Therefore discharge and recharge circuit by alternating current-direct current of the present utility model, make at synchronization, main motor contactor, DC charging contactor and AC charging contactor have and only have an adhesive, DC charging contactor adhesive priority is higher than AC charging contactor adhesive priority, AC charging contactor adhesive priority is higher than main motor contactor adhesive priority, the utility model has just provided one type, can certainly set as required their priority and realize needed control.
Claims (4)
1. an alternating current-direct current charge-discharge circuit, comprise battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, battery is connected with main electric machine controller electric discharge by main motor contactor, battery is respectively by the AC charging contactor, DC charging contactor and AC charging socket, DC charging socket connects inductive charging, it is characterized in that: in described main motor contactor coil control loop, be serially connected with the auxiliary contact of AC charging contactor and the auxiliary contact of DC charging contactor, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop.
2. alternating current-direct current charge-discharge circuit according to claim 1 is characterized in that: control loop one end of described DC charging contactor coil is connected with the negative control of BMS signal, and the other end is connected with DC charging contactor control end.
3. a plug-in automobile, comprise main motor and alternating current-direct current charge-discharge circuit, the alternating current-direct current charge-discharge circuit comprises battery, main electric machine controller, the AC charging socket, DC charging socket, main motor contactor coil control loop, AC charging contactor coil control loop and DC charging contactor coil control loop, main electric machine controller is connected with the battery discharge end by main motor contactor, AC charging socket and DC charging socket are connected to battery charging terminal by AC charging contactor and DC charging contactor respectively, it is characterized in that: the auxiliary auxiliary contact that often start contact and DC charging contactor that are serially connected with the AC charging contactor in described main motor contactor coil control loop, be serially connected with the auxiliary contact of DC charging contactor or the contact of being expanded by the DC charging contactor in AC charging contactor coil control loop.
4. plug-in automobile according to claim 3 is characterized in that: control loop one end of described DC charging contactor coil is connected with the negative control of BMS signal, and the other end is connected with DC charging contactor control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203524160U CN203339750U (en) | 2013-06-19 | 2013-06-19 | An alternating-direct current charging and discharging circuit and a plug-in vehicle having the circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203524160U CN203339750U (en) | 2013-06-19 | 2013-06-19 | An alternating-direct current charging and discharging circuit and a plug-in vehicle having the circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339750U true CN203339750U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203524160U Expired - Fee Related CN203339750U (en) | 2013-06-19 | 2013-06-19 | An alternating-direct current charging and discharging circuit and a plug-in vehicle having the circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939887A (en) * | 2014-01-28 | 2016-09-14 | 丰田自动车株式会社 | Charging and discharging system for an electric vehicle |
| CN106143194A (en) * | 2016-07-11 | 2016-11-23 | 安庆新景技电子科技有限公司 | A kind of interlock switch loop for electric motor car |
-
2013
- 2013-06-19 CN CN2013203524160U patent/CN203339750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939887A (en) * | 2014-01-28 | 2016-09-14 | 丰田自动车株式会社 | Charging and discharging system for an electric vehicle |
| CN105939887B (en) * | 2014-01-28 | 2018-06-19 | 丰田自动车株式会社 | For the charging and discharging system of electric vehicle |
| CN106143194A (en) * | 2016-07-11 | 2016-11-23 | 安庆新景技电子科技有限公司 | A kind of interlock switch loop for electric motor car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |