CN101969211B - Charge protective device for electric vehicle and vehicle with same - Google Patents
Charge protective device for electric vehicle and vehicle with same Download PDFInfo
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- CN101969211B CN101969211B CN2009100890676A CN200910089067A CN101969211B CN 101969211 B CN101969211 B CN 101969211B CN 2009100890676 A CN2009100890676 A CN 2009100890676A CN 200910089067 A CN200910089067 A CN 200910089067A CN 101969211 B CN101969211 B CN 101969211B
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- charge
- low pressure
- charge connector
- pressure contact
- vehicle
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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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- 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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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charge protective device for an electric vehicle and a vehicle with the same. The charge protective device is characterized by comprising a charger, a charge connector, a charge contactor, an interlocking relay, a motor controller and a power battery pack, wherein the charge connector is provided with two groups of connecting points which form a charge connection loop and a non-charge connection loop respectively according to the connection and disconnection of the charge connector and the charger; the non-charge connection loop is a loop which is formed by connecting a group of connecting points of the charge connector, the charge contactor, the interlocking relay, the motor controller and a low-voltage control power supply; and the charge connection loop is a loop which is formed by connecting the charger, the two groups of connecting points of the charge connector, the charge contactor and the power battery pack. The charge protective device for the electric vehicle has the advantages of simple structure, low cost, practical function, easy distribution and implementation when being applied on the vehicle, and is applicable to all vehicles needing to be charged, especially new-energy vehicles.
Description
Technical field
The present invention relates to new energy vehicle, relate in particular to the vehicle-mounted charge protection of new energy vehicle.
Background technology
Along with the raising of people to car comfort, security requirement, new-energy automobile has obtained fast development.How to eliminate the potential hazard of the vehicle-mounted end high pressure of electric automobile and the hidden danger that the misoperation of when charging brings, relevant national standard has proposed to explicitly call for.For this reason, how to realize charge protection and safeguard protection, the potential safety hazard that the elimination human factor is brought becomes the problem of industry research.
Summary of the invention
Technical problem to be solved by this invention provides a kind of electric vehicle charge protection device, and when uncharged, charge connector seat (vehicle-mounted end) is not with forceful electric power (band light current); During charging, do not allow electric automobile to start.
To achieve these goals, the invention provides a kind of electric vehicle charge protection device, it is characterized in that, comprise: charger, charge connector, charging contactor, interlock relay, electric machine controller, power battery pack, described charge connector have two groups of tie points and form charging connecting path and the connecting path that do not charge according to the break-make of described charge connector and described charger respectively; The described connecting path that do not charge is: the path that one group of tie point of described charge connector, described charging contactor, described interlock relay, described electric machine controller and low-voltage control power are connected to form; Described charging connecting path is: the path that described charger, two groups of tie points of described charge connector, described charging contactor, described power battery pack are connected to form.
Above-mentioned electric vehicle charge protection device; wherein; described charging contactor, described electric machine controller have respectively high-voltage connecting contravention and low pressure contact jaw; two groups of tie points of described charge connector are respectively one group of low pressure contact jaw of one group of high-voltage connecting contravention, and the described connecting path that do not charge is for connecting respectively the low pressure contact jaw of described charge connector, described charging contactor and described electric machine controller.
Above-mentioned electric vehicle charge protection device, wherein, the described connecting path that do not charge further is: described charging contactor low pressure contact jaw links to each other with the normal electricity of low pressure and described interlock relay; The normally-closed contact of described interlock relay links to each other with the low voltage control end of low-voltage control power and described electric machine controller respectively.
Above-mentioned electric vehicle charge protection device, wherein, described charging connecting path is the high-voltage connecting contravention of the high-voltage connecting contravention that connects respectively described charge connector and low pressure contact jaw and described charging contactor, described electric machine controller.
Above-mentioned electric vehicle charge protection device, wherein, the connection of the high-voltage connecting contravention of charge connector further is in the described charging connecting path: the positive pole of described power battery pack links to each other with the positive pole of the high-voltage connecting contravention of described charging contactor and described electric machine controller; The negative pole of described power battery pack links to each other with the negative pole of the high-voltage connecting contravention of described charge connector and described electric machine controller; Described charger links to each other with described charge connector; The high-voltage connecting contravention of described charge connector links to each other with the high-voltage connecting contravention of described charging contactor and the negative pole of described power battery pack.
Above-mentioned electric vehicle charge protection device, wherein, the connection of the low pressure contact jaw of charge connector further is in the described charging connecting path: connect respectively the normal electricity of low pressure and interlock relay, the normally-closed contact of described interlock relay disconnects.
Above-mentioned electric vehicle charge protection device, wherein, described charge connector comprises plug and socket, and described socket is vehicle-mounted end, and described plug is used for connecting described charger.
Above-mentioned electric vehicle charge protection device, wherein, described charging connecting path reaches and does not charge connecting path respectively low pressure contact jaw ground connection.
Above-mentioned electric vehicle charge protection device, wherein, described power battery pack is many Battery pack series connection.
To achieve these goals, the present invention also provides a kind of vehicle that adopts above-mentioned electric vehicle charge protection device.
Technique effect of the present invention is: electric vehicle charge protection device provided by the invention is simple in structure, and cost is low, and practical function is easy to arrange and implement at vehicle.Need to be applicable to all vehicles, the especially new energy vehicle of charging.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is structure chart of the present invention;
Fig. 2 is the schematic diagram of the present invention when charging;
Wherein, Reference numeral:
1 charger
2 charge connectors
3 charging contactors
4 latching relaies
5 electric machine controllers
6 Vehicular battery groups
A low pressure is electricity often
The B low-voltage control power
Embodiment
Below in conjunction with accompanying drawing structural principle of the present invention and operation principle are done concrete description:
In Fig. 1, the specific embodiment of the present invention shown in Figure 2; the present invention has disclosed a kind of charging electric motor vehicles protective device, comprising: charger 1, charge connector 2, charging contactor 3, interlock relay 4, electric machine controller 5, Vehicular dynamic battery group 6.
Described charge connector 2 has two groups of tie points respectively according to described charge connector 2 and the break-make formation charging connecting path of described charger 1 and the connecting path that do not charge.
Two groups of tie points of described charge connector 2 are respectively one group of low pressure contact jaw of one group of high-voltage connecting contravention, and described charging contactor 3, described electric machine controller 5 also have respectively high-voltage connecting contravention and low pressure contact jaw.
The described connecting path that do not charge is: the low pressure contact jaw of the low pressure contact jaw of described charge connector 2 low pressure contact jaws, described charging contactor 3, described interlock relay 4, described electric machine controller 5 and the path that low-voltage control power B is connected to form.
Described charging connecting path is: described charger 1,2 liang of groups of described charge connector tie point (high-voltage connecting contravention and low pressure contact jaw), the high-voltage connecting contravention of described charging contactor 3, the path that described power battery pack 6 is connected to form.
Described charging connecting path reaches and does not charge connecting path respectively low pressure contact jaw ground connection.
Power battery pack 6 of the present invention is many Battery pack series connection.Described charge connector 2 comprises plug and socket, and described socket is vehicle-mounted end, and described plug is used for connecting described charger 1.
When the present invention was uncharged, the disconnection of described charging contactor caused described charge connector not to be with forceful electric power (band light current), guarantees safety; During charging, connect in the time of by described charge connector high-voltage connecting contact and low pressure contact point, make described charging contactor coil get electric and conducting is charged, described interlock relay gets electric normally-closed contact disconnection simultaneously, cause that described electric machine controller can not get low-voltage control power under charged state, guarantee that vehicle can not start.
Schematic diagram in the time of please continuing to consult Fig. 1 structure chart of the present invention and Fig. 2 the present invention and charge.Further describe the specific embodiment of the present invention and operation principle.
Connecting path does not charge: the low pressure contact jaw of charge connector 2 links to each other with the normal electric A of low pressure and interlock relay 4; The normally-closed contact of interlock relay 4 links to each other with the low voltage control end of low-voltage control power B and electric machine controller 2 respectively, the low pressure contact jaw ground connection of charge contact 3.
The charging connecting path: the positive pole of power battery pack 6 links to each other with the positive pole of the high-voltage connecting contravention of charging contactor 2 and electric machine controller 5; The negative pole of power battery pack 6 links to each other with the negative pole of the high-voltage connecting contravention of charge connector 2 and electric machine controller 5; Charger 1 links to each other with charge connector 2; The high-voltage connecting contravention of charge connector 2 links to each other with the negative pole of the high-voltage connecting contravention of charging contactor 3 and power battery pack 6.The low pressure contact jaw of charge connector 2 connects respectively the normal electricity of low pressure and interlock relay 4.The low pressure contact jaw ground connection of electric machine controller 5.
As shown in Figure 1, when uncharged, described charger 1 is not connected with charge connector 2, and described charging contactor 3 disconnects, and causes described charge connector 2 (vehicle-mounted end) not to be with forceful electric power (band light current), guarantees safety.In addition, described latching relay 4 adopts normally closed contact point, described electric machine controller 5 control motor normal operations.
As shown in Figure 2, during charging, described charger 1 is connected with charge connector 2, described charging contactor 3 gets electric connection, makes charge connector 2 and Vehicular battery group 6 form paths, and simultaneously described latching relay 4 gets electric disconnection normally-closed contact, close with the A point is tactile, cause that described electric machine controller 5 can not get low-voltage control power under charged state, can't work, guarantee that vehicle can not start.
To sum up, electric vehicle charge protection device provided by the invention is simple in structure, and cost is low, and practical function is easy to arrange and implement at vehicle.Need to be applicable to all vehicles, the especially new energy vehicle of charging.
For this reason, the vehicle of the above-mentioned electric vehicle charge protection device of employing that the present invention discloses can realize that when uncharged, charge connector seat (vehicle-mounted end) is not with forceful electric power (band light current); During charging, do not allow electric automobile to start, can satisfy explicitly calling for of relevant national standard.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (5)
1. electric vehicle charge protection device, it is characterized in that, comprise: charger, charge connector, charging contactor, interlock relay, electric machine controller, power battery pack, described charge connector have two groups of tie points and form charging connecting path and the connecting path that do not charge according to the break-make of described charge connector and described charger respectively; Described charging contactor, described electric machine controller have respectively high-voltage connecting contravention and low pressure contact jaw, and two groups of tie points of described charge connector are respectively one group of low pressure contact jaw of one group of high-voltage connecting contravention;
The described connecting path that do not charge is: connect respectively the low pressure contact jaw of described charge connector, described charging contactor and described electric machine controller, and the low pressure contact jaw of described charge connector links to each other with the normal electricity of low pressure and described interlock relay; The normally-closed contact of described interlock relay links to each other with the low pressure contact jaw of low-voltage control power and described electric machine controller respectively;
Described charging connecting path is: connect respectively the high-voltage connecting contravention of the high-voltage connecting contravention of described charge connector and low pressure contact jaw and described charging contactor, described electric machine controller, the positive pole of described power battery pack links to each other with the positive pole of the high-voltage connecting contravention of described charging contactor and described electric machine controller; The negative pole of described power battery pack links to each other with the negative pole of the high-voltage connecting contravention of described charge connector and described electric machine controller; Described charger links to each other with described charge connector; The high-voltage connecting contravention of described charge connector links to each other with the high-voltage connecting contravention of described charging contactor and the negative pole of described power battery pack, the low pressure contact jaw of described charge connector connects respectively the normal electricity of low pressure and interlock relay, and the normally-closed contact of described interlock relay disconnects.
2. electric vehicle charge protection device according to claim 1 is characterized in that, described charge connector comprises plug and socket, and described socket is vehicle-mounted end, and described plug is used for connecting described charger.
3. electric vehicle charge protection device according to claim 1 is characterized in that, described charging connecting path reaches and do not charge connecting path respectively low pressure contact jaw ground connection.
4. electric vehicle charge protection device according to claim 1 is characterized in that, described power battery pack is many Battery pack series connection.
5. vehicle that adopts the described electric vehicle charge protection device of one of claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100890676A CN101969211B (en) | 2009-07-28 | 2009-07-28 | Charge protective device for electric vehicle and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100890676A CN101969211B (en) | 2009-07-28 | 2009-07-28 | Charge protective device for electric vehicle and vehicle with same |
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| Publication Number | Publication Date |
|---|---|
| CN101969211A CN101969211A (en) | 2011-02-09 |
| CN101969211B true CN101969211B (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100890676A Active CN101969211B (en) | 2009-07-28 | 2009-07-28 | Charge protective device for electric vehicle and vehicle with same |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012196069A (en) * | 2011-03-17 | 2012-10-11 | Honda Motor Co Ltd | Charging system |
| CN103287282B (en) * | 2013-05-24 | 2015-11-18 | 潍柴动力股份有限公司 | A kind of power battery charging fender guard |
| CN103587428B (en) * | 2013-11-15 | 2016-05-18 | 安徽江淮汽车股份有限公司 | Security protection control device and method |
| CN103746412B (en) * | 2013-12-09 | 2016-04-06 | 惠州市亿能电子有限公司 | A kind of discharge and recharge interlock circuit of electric automobile |
| CN107696905A (en) * | 2017-11-03 | 2018-02-16 | 深圳市德塔防爆电动汽车有限公司 | Electric automobile with charging safety |
| CN107834668A (en) * | 2017-12-12 | 2018-03-23 | 湖南航天捷诚电子装备有限责任公司 | The discharge and recharge interface protector and method of a kind of rechargeable battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167464A (en) * | 1995-09-18 | 1997-12-10 | 精工爱普生株式会社 | Safety mechanism for electric vehicles |
| JP2004274875A (en) * | 2003-03-07 | 2004-09-30 | Yamaha Motor Co Ltd | Charging apparatus for motor vehicle |
| CN1966304A (en) * | 2006-11-17 | 2007-05-23 | 朱明忠 | Electric automobile control and charge protection device |
| CN101356705A (en) * | 2006-08-31 | 2009-01-28 | 株式会社东海理化电机制作所 | Charging system |
-
2009
- 2009-07-28 CN CN2009100890676A patent/CN101969211B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167464A (en) * | 1995-09-18 | 1997-12-10 | 精工爱普生株式会社 | Safety mechanism for electric vehicles |
| JP2004274875A (en) * | 2003-03-07 | 2004-09-30 | Yamaha Motor Co Ltd | Charging apparatus for motor vehicle |
| CN101356705A (en) * | 2006-08-31 | 2009-01-28 | 株式会社东海理化电机制作所 | Charging system |
| CN1966304A (en) * | 2006-11-17 | 2007-05-23 | 朱明忠 | Electric automobile control and charge protection device |
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|---|---|
| CN101969211A (en) | 2011-02-09 |
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