CN205149564U - Whole car driving system based on permanent -magnet machine back -emf protection device - Google Patents
Whole car driving system based on permanent -magnet machine back -emf protection device Download PDFInfo
- Publication number
- CN205149564U CN205149564U CN201520984029.8U CN201520984029U CN205149564U CN 205149564 U CN205149564 U CN 205149564U CN 201520984029 U CN201520984029 U CN 201520984029U CN 205149564 U CN205149564 U CN 205149564U
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- fender guard
- state relay
- solid
- detecting device
- protection device
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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
- Y02T10/72—Electric energy management in electromobility
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model relates to a permanent magnet motor field especially relates to a whole car driving system based on permanent -magnet machine back -emf protection device. Add protection device on the route of machine controller and motor, this protection device is equipped with first order protection device and second level protection device, sets up three solid state relay respectively and regard as first order protection device on the electric route of three -phase, and current value and magnitude of voltage on the detection device real -time detection route when the weak magnetism inefficacy condition of appearance, continue to detect after the execution of control solid state relay is opened circuit, and protection device 0 passes through the purpose that solid state relay just can realize protection device, nevertheless the utility model discloses a protection device is the condition of considering the inefficacy of first order protection device, still has electric current and voltage promptly on the route, and detection device communicated with external vehicle control unit this moment, informs first order protection inefficacy, and vehicle control unit can trigger the execution of second level protection device and open circuit to the danger of continuously charging under the magnetism inefficacy condition a little less than avoiding.
Description
Technical field
The utility model relates to permanent magnet motor field, particularly relates to a kind of car load power system based on magneto-electric machine counter potential fender guard.
Background technology
Along with wideling popularize of national new-energy automobile, new-energy automobile requires the work efficiency significantly improving electrical motor under the prerequisite ensureing course continuation mileage, be proposed the scheme adopting permagnetic synchronous motor, make full use of permagnetic synchronous motor energy density large, while the advantage that efficiency is high, bring the hidden danger that automatically controlled weak magnetic inefficacy rear motor counter electromotive force is out of control too.
When the weak magnetic of electric machine controller lost efficacy, motor carries out reverse rectification by three-phase loop, its voltage rises along with current motor rotating speed and current vehicle speed raising, in case of in the situation of lasting slope, car load continues at a high speed then inverse electromotive force voltage keeps and increases, under electric machine controller weak magnetic failure conditions, motor carries out continuing charging to closed-center system (lithium cell, super capacitor etc.) by the built-in IGBT loop of electric machine controller, just likely closed-center system is caused and overcharge, cause possibility that is on fire or blast.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of safe and reliable car load power system based on magneto-electric machine counter potential fender guard.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of car load power system based on magneto-electric machine counter potential fender guard, comprise closed-center system, electric machine controller and motor, described closed-center system is electrically connected with electric machine controller, and described electric machine controller is electrically connected with motor by three-phase electricity, also comprises fender guard; Described fender guard is arranged on the three-phase path between electric machine controller and motor;
Described fender guard comprises first order fender guard, detecting device and second stage fender guard;
Described first order fender guard comprises the first solid-state relay, the second solid-state relay and the 3rd solid-state relay; Three articles of paths that described first solid-state relay, the second solid-state relay and the 3rd solid-state relay are separately positioned on three-phase electricity are electrically connected with detecting device respectively;
Described first solid-state relay and the path of motor are provided with the first sampling point be electrically connected with detecting device; Described second solid-state relay and the path of motor are provided with the second sampling point be electrically connected with detecting device; Described 3rd solid-state relay and the path of motor are provided with the 3rd sampling point be electrically connected with detecting device;
Described second stage fender guard is circuit breaker; Described circuit breaker comprises the trip switch controlling circuit breaker energize or off-state; The secondary contact of described circuit breaker are electrically connected with detecting device;
Described trip switch, detecting device are connected with external entire car controller respectively;
Described detecting device detect the first sampling point, the second sampling point, the 3rd sampling point voltage and current Data Concurrent send testing result to entire car controller;
The testing result that described entire car controller receiving detection device sends.
The beneficial effects of the utility model are: on the path of electric machine controller and motor, set up fender guard, for promoting safe reliability, this fender guard is provided with first order fender guard and second stage fender guard, as first order fender guard on the path three solid-state relay being separately positioned on three-phase electricity, current value in the real-time detection path of detecting device and magnitude of voltage, when there is weak magnetic failure conditions, detecting device control three solid-state relay perform open circuits after and continue to detect, the object of fender guard just can be realized under normal circumstances by solid-state relay, but the design of the fender guard that the utility model provides considers when occurring the situation that first order fender guard lost efficacy, electric current and voltage is also there is in path after being three solid-state relay execution open circuits, now detecting device communicates with external entire car controller, inform first order shielding failure, entire car controller can trigger second stage fender guard (circuit breaker) and perform open circuit, thus under avoiding weak magnetic failure conditions, continue the danger of charging.First order fender guard adopts solid-state relay to belong to electronic switch, and second stage fender guard adopts circuit breaker to belong to mechanical switch, and the safety of the second stage is better than the first order; From cut-out reliability, mechanical type is better than electronic type.Therefore using circuit breaker higher for reliability as last line of defense.
It should be noted that: under normal circumstances, circuit breaker is closed, is similar to short-circuit line.
Accompanying drawing explanation
Fig. 1 is the structural representation of the car load power system based on magneto-electric machine counter potential fender guard of the present utility model;
Label declaration:
1, closed-center system; 2, electric machine controller; 3, motor; 4, fender guard; 41, first order fender guard; 411, the first solid-state relay; 412, the second solid-state relay; 413, the 3rd solid-state relay; 42, detecting device; 421, the first sampling point; 422, the second sampling point; 423, the 3rd sampling point; 43, second stage fender guard; 431, trip switch; 432, secondary contact; 5, entire car controller.
Detailed description of the invention
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with embodiment.
The design of the utility model most critical is: on the path of electric machine controller and motor, set up fender guard; described fender guard is provided with first order fender guard (solid-state relay) and second stage fender guard (circuit breaker), promotes safe reliability further.
Please refer to Fig. 1, a kind of car load power system based on magneto-electric machine counter potential fender guard that the utility model provides, comprise closed-center system 1, electric machine controller 2 and motor 3, described closed-center system 1 is electrically connected with electric machine controller 2, described electric machine controller 2 is electrically connected with motor 3 by three-phase electricity, also comprises fender guard 4; Described fender guard 4 is arranged on the three-phase path between electric machine controller 2 and motor 3;
Described fender guard 4 comprises first order fender guard 41, detecting device 42 and second stage fender guard 43;
Described first order fender guard 41 comprises the first solid-state relay 411, second solid-state relay 412 and the 3rd solid-state relay 413; Three articles of paths that described first solid-state relay 411, second solid-state relay 412 and the 3rd solid-state relay 413 are separately positioned on three-phase electricity are electrically connected with detecting device 42 respectively;
Described first solid-state relay 411 and the path of motor 3 are provided with the first sampling point 421 be electrically connected with detecting device 42; Described second solid-state relay 412 and the path of motor 3 are provided with the second sampling point 422 be electrically connected with detecting device 42; Described 3rd solid-state relay 413 and the path of motor 3 are provided with the 3rd sampling point 423 be electrically connected with detecting device 42;
Described second stage fender guard 43 is circuit breaker; Described circuit breaker comprises the trip switch 431 controlling circuit breaker energize or off-state; The secondary contact 432 of described circuit breaker are electrically connected with detecting device 42;
Described trip switch 431, detecting device 42 are connected with external entire car controller 5 respectively;
Described detecting device 42 detects the first sampling point 421, second sampling point 422, the voltage and current Data Concurrent of the 3rd sampling point 423 send testing result to entire car controller 5;
The testing result that described entire car controller 5 receiving detection device 42 sends.
From foregoing description, the beneficial effects of the utility model are: on the path of electric machine controller and motor, set up fender guard, for promoting safe reliability, this fender guard is provided with first order fender guard and second stage fender guard, as first order fender guard on the path three solid-state relay being separately positioned on three-phase electricity, current value in the real-time detection path of detecting device and magnitude of voltage, when there is weak magnetic failure conditions, detecting device control three solid-state relay perform open circuits after and continue to detect, the object of fender guard just can be realized under normal circumstances by solid-state relay, but the design of the fender guard that the utility model provides considers when occurring the situation that first order fender guard lost efficacy, electric current and voltage is also there is in path after being three solid-state relay execution open circuits, now detecting device communicates with external entire car controller, inform first order shielding failure, entire car controller can trigger second stage fender guard (circuit breaker) and perform open circuit, thus under avoiding weak magnetic failure conditions, continue the danger of charging.First order fender guard adopts solid-state relay to belong to electronic switch, and second stage fender guard adopts circuit breaker to belong to mechanical switch, and the safety of the second stage is better than the first order; From cut-out reliability, mechanical type is better than electronic type.Therefore using circuit breaker higher for reliability as last line of defense.
Further, described detecting device 42 is communicated with entire car controller 5 by CAN.
Further, described detecting device 42 comprises rectifying circuit, voltage sampling circuit, current sampling circuit and controller; Described rectifying circuit, voltage sampling circuit and current sampling circuit are electrically connected with controller respectively.
Seen from the above description, by the magnitude of voltage of voltage sampling circuit sampling path up-sampling point, the current value of current sampling circuit sampling path up-sampling point, and Real-time Feedback is to controller.
Further, described controller comprises first data transmission passage and the second data transmission channel; Described first data transmission passage is electrically connected with the mouth of voltage sampling circuit; Described second data transmission channel is electrically connected with the mouth of current sampling circuit.
Seen from the above description, first data transmission passage is electrically connected with the mouth of voltage sampling circuit, be used for transmission voltage Value Data, second data transmission channel is electrically connected with the mouth of current sampling circuit, being used for transmission current Value Data, adopting the object of two data transmission channels to be to prevent the impacts such as interference in data transmission procedure.
Further, channel isolation is provided with between described first data transmission passage and the second data transmission channel.
Seen from the above description, the effect of channel isolation is the impacts such as the interference prevented in data transmission procedure, plays safe and reliable effect.
Please refer to Fig. 1, embodiment one of the present utility model is:
It should be noted that in Fig. 1: U, V, W represent the path of three-phase electricity, Q1, Q2, Q3 represent the first solid-state relay 411, second solid-state relay 412, the 3rd solid-state relay 413 respectively, wherein Q1 can be arranged in U, V, W on any path, Q2, Q3 in like manner, the every bar path of a demand fulfillment arrange a solid-state relay.K in addition
0represent circuit breaker, M represents motor 3 (also can be called drive motor).
A kind of car load power system based on magneto-electric machine counter potential fender guard that the utility model provides, comprise closed-center system 1, electric machine controller 2 and motor 3M, described closed-center system 1 is electrically connected with electric machine controller 2, described electric machine controller 2 is electrically connected with motor 3M by three-phase electricity (U, V, W), also comprises fender guard 4; Described fender guard 4 is arranged on the three-phase path between electric machine controller 2 and motor 3M;
Described fender guard 4 comprises first order fender guard 41, detecting device 42 and second stage fender guard 43;
Described first order fender guard 41 comprises the first solid-state relay 411Q1, the second solid-state relay 412Q2 and the 3rd solid-state relay 413Q3; Three articles of paths that described first solid-state relay 411Q1, the second solid-state relay 412Q2 and the 3rd solid-state relay 413Q3 are separately positioned on three-phase electricity are electrically connected with detecting device 42 respectively;
Described first solid-state relay 411Q1 and the path of motor 3M are provided with the first sampling point 421 be electrically connected with detecting device 42; Described second solid-state relay 412Q2 and the path of motor 3M are provided with the second sampling point 422 be electrically connected with detecting device 42; Described 3rd solid-state relay 413Q3 and the path of motor 3M are provided with the 3rd sampling point 423 be electrically connected with detecting device 42;
Described second stage fender guard 43 is circuit breaker K
0; Described circuit breaker K
0comprise the trip switch 431 controlling circuit breaker energize or off-state; The secondary contact 432 of described circuit breaker are electrically connected with detecting device 42;
Described trip switch 431, detecting device 42 are connected with external entire car controller 5 respectively;
Described detecting device 42 detects the first sampling point 421, second sampling point 422, the voltage and current Data Concurrent of the 3rd sampling point 423 send testing result to entire car controller 5;
The testing result that described entire car controller 5 receiving detection device 42 sends.
Wherein, described detecting device 42 is communicated with entire car controller 5 by CAN.
Above-mentioned detecting device 42 comprises rectifying circuit, voltage sampling circuit, current sampling circuit and controller; Described rectifying circuit, voltage sampling circuit and current sampling circuit are electrically connected with controller respectively.By the magnitude of voltage of voltage sampling circuit sampling path up-sampling point, the current value of current sampling circuit sampling path up-sampling point, and Real-time Feedback is to controller.
Above-mentioned controller comprises first data transmission passage and the second data transmission channel; Described first data transmission passage is electrically connected with the mouth of voltage sampling circuit; Described second data transmission channel is electrically connected with the mouth of current sampling circuit.First data transmission passage is electrically connected with the mouth of voltage sampling circuit, be used for transmission voltage Value Data, second data transmission channel is electrically connected with the mouth of current sampling circuit, being used for transmission current Value Data, adopting the object of two data transmission channels to be to prevent the impacts such as interference in data transmission procedure.Channel isolation is provided with between first data transmission passage and the second data transmission channel.The effect of channel isolation is the impacts such as the interference prevented in data transmission procedure, plays safe and reliable effect.
In sum, a kind of car load power system based on magneto-electric machine counter potential fender guard that the utility model provides, fender guard set up by the path of electric machine controller and motor, for promoting safe reliability, this fender guard is provided with first order fender guard and second stage fender guard, as first order fender guard on the path three solid-state relay being separately positioned on three-phase electricity, current value in the real-time detection path of detecting device and magnitude of voltage, when there is weak magnetic failure conditions, detecting device control three solid-state relay perform open circuits after and continue to detect, the object of fender guard just can be realized under normal circumstances by solid-state relay, but the design of the fender guard that the utility model provides considers when occurring the situation that first order fender guard lost efficacy, electric current and voltage is also there is in path after being three solid-state relay execution open circuits, now detecting device communicates with external entire car controller, inform first order shielding failure, entire car controller can trigger second stage fender guard (circuit breaker) and perform open circuit, thus under avoiding weak magnetic failure conditions, continue the danger of charging.First order fender guard adopts solid-state relay to belong to electronic switch, and second stage fender guard adopts circuit breaker to belong to mechanical switch, and the safety of the second stage is better than the first order; From cut-out reliability, mechanical type is better than electronic type.Therefore using circuit breaker higher for reliability as last line of defense.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification sheets and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. the car load power system based on magneto-electric machine counter potential fender guard, comprise closed-center system, electric machine controller and motor, described closed-center system is electrically connected with electric machine controller, and described electric machine controller is electrically connected with motor by three-phase electricity, it is characterized in that, also comprise fender guard; Described fender guard is arranged on the three-phase path between electric machine controller and motor;
Described fender guard comprises first order fender guard, detecting device and second stage fender guard;
Described first order fender guard comprises the first solid-state relay, the second solid-state relay and the 3rd solid-state relay; Three articles of paths that described first solid-state relay, the second solid-state relay and the 3rd solid-state relay are separately positioned on three-phase electricity are electrically connected with detecting device respectively;
Described first solid-state relay and the path of motor are provided with the first sampling point be electrically connected with detecting device; Described second solid-state relay and the path of motor are provided with the second sampling point be electrically connected with detecting device; Described 3rd solid-state relay and the path of motor are provided with the 3rd sampling point be electrically connected with detecting device;
Described second stage fender guard is circuit breaker; Described circuit breaker comprises the trip switch controlling circuit breaker energize or off-state; The secondary contact of described circuit breaker are electrically connected with detecting device;
Described trip switch, detecting device are connected with external entire car controller respectively;
Described detecting device detect the first sampling point, the second sampling point, the 3rd sampling point voltage and current Data Concurrent send testing result to entire car controller;
The testing result that described entire car controller receiving detection device sends.
2. the car load power system based on magneto-electric machine counter potential fender guard according to claim 1, it is characterized in that, described detecting device is communicated with entire car controller by CAN.
3. the car load power system based on magneto-electric machine counter potential fender guard according to claim 1, it is characterized in that, described detecting device comprises rectifying circuit, voltage sampling circuit, current sampling circuit and controller; Described rectifying circuit, voltage sampling circuit and current sampling circuit are electrically connected with controller respectively.
4. the car load power system based on magneto-electric machine counter potential fender guard according to claim 3, is characterized in that, described controller comprises first data transmission passage and the second data transmission channel; Described first data transmission passage is electrically connected with the mouth of voltage sampling circuit; Described second data transmission channel is electrically connected with the mouth of current sampling circuit.
5. the car load power system based on magneto-electric machine counter potential fender guard according to claim 4, is characterized in that, is provided with channel isolation between described first data transmission passage and the second data transmission channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984029.8U CN205149564U (en) | 2015-12-02 | 2015-12-02 | Whole car driving system based on permanent -magnet machine back -emf protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520984029.8U CN205149564U (en) | 2015-12-02 | 2015-12-02 | Whole car driving system based on permanent -magnet machine back -emf protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205149564U true CN205149564U (en) | 2016-04-13 |
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ID=55685291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520984029.8U Withdrawn - After Issue CN205149564U (en) | 2015-12-02 | 2015-12-02 | Whole car driving system based on permanent -magnet machine back -emf protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205149564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416088A (en) * | 2015-12-02 | 2016-03-23 | 厦门市福工动力技术有限公司 | Full vehicle power system based on permanent magnet motor counter electromotive force protection device |
-
2015
- 2015-12-02 CN CN201520984029.8U patent/CN205149564U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416088A (en) * | 2015-12-02 | 2016-03-23 | 厦门市福工动力技术有限公司 | Full vehicle power system based on permanent magnet motor counter electromotive force protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 361000, No. 123, Cao Tong Road, industrial concentration area, Tongan District, Fujian, Xiamen Patentee after: XIAMEN FUGONG POWER TECHNOLOGY CO., LTD. Address before: 361000 Fujian Province, Xiamen city Tongan Industrial Zone Chi Ping Road No. 2890 Patentee before: XIAMEN FUGONG POWER TECHNOLOGY CO., LTD. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160413 Effective date of abandoning: 20170919 |