CN201961158U - High voltage safety device based on real electric automobile - Google Patents
High voltage safety device based on real electric automobile Download PDFInfo
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- CN201961158U CN201961158U CN201120011960XU CN201120011960U CN201961158U CN 201961158 U CN201961158 U CN 201961158U CN 201120011960X U CN201120011960X U CN 201120011960XU CN 201120011960 U CN201120011960 U CN 201120011960U CN 201961158 U CN201961158 U CN 201961158U
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Abstract
The utility model discloses a high voltage safety device based on real electric automobile, comprising a high voltage electrical appliances return circuit, a low voltage connection detection return circuit and a high voltage control return circuit. The utility model checks the high voltage harness connection through a hard line connected between the each high voltage device; in order to control the high voltage power supply, prevent people exposed to the charged high voltage device.
Description
Technical field
The utility model relates to a kind of high-voltage safety device, particularly based on the high-voltage safety device of pure electric automobile.
Background technology
Along with the exhaustion day by day of global warming and oil resources, each cart enterprise numerous and confused development new-energy automobile of the whole world.Wherein, pure electric automobile is cheap by means of its zero pollution, use cost, becomes the soldier at the head of a formation of new-energy automobile.
With respect to conventional automobile, pure electric automobile provides working power by the battery up to the hundreds of volt fully, and car load has a plurality of High-Voltage Electrical Appliances simultaneously, so the car load high-voltage safety becomes the technical matters that pure electric automobile needs primary solution.Automobile-used high tension apparatus all need satisfy corresponding waterproof and insulating requirements.But, when the high pressure wire harness gets loose and high-pressure system keeped in repair,, then have potential safety hazard if high-pressure system is still charged.To this, know high pressure wire harness coupled condition in good time, the personnel of preventing touch charged high tension apparatus and are of great importance.
The utility model content
Goal of the invention: the purpose of this utility model is at the deficiencies in the prior art, and a kind of high-voltage safety device based on pure electric automobile is provided, to eliminate potential safety hazard of the prior art.
Technical scheme: for realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is: a kind of high-voltage safety device based on pure electric automobile comprises High-Voltage Electrical Appliances loop, low pressure joint detection loop and high pressure control loop;
Described High-Voltage Electrical Appliances loop is: the high-tension battery positive pole is connected in series second relay successively, first interface of first connector, first interface of second connector, the 4th interface of second connector, the 4th interface of the 3rd connector, first interface of high pressure distribution box without protectors, first interface of high pressure distribution box without protectors also connects the 4th connector, the 5th connector, the 6th connector, the 7th connector, the 4th interface of the 8th connector, the 4th connector, the 5th connector, the 6th connector, the 7th connector, the 4th interface of the 8th connector is connected in series the 13 connector respectively successively, the 12 connector, the 11 connector, the tenth connector, the 4th interface of the 9th connector, the 5th high tension apparatus, the 4th high tension apparatus, the 3rd high tension apparatus, second high tension apparatus, the positive pole of first high tension apparatus and negative pole, the 13 connector, the 12 connector, the 11 connector, the tenth connector, first interface of the 9th connector, the 4th connector, the 5th connector, the 6th connector, the 7th connector, first interface of the 8th connector, the 4th connector, the 5th connector, the 6th connector, the 7th connector, first interface of the 8th connector also connects second interface of high pressure distribution box without protectors, and second interface of high pressure distribution box without protectors is connected in series first interface of the 3rd connector successively, the 4th interface of first connector, first relay and high-tension battery negative pole;
Described low pressure joint detection loop is: No. 3 stitch of battery management unit are connected in series second interface of first connector successively, second interface of second connector, service switch, the 3rd interface of second connector, the 3rd interface of the 3rd connector, cover plate is pressed and is touched switch, the 3rd interface of the 8th connector, the 3rd interface of the 9th connector, the low pressure joint detection line of first high tension apparatus, second interface of the 9th connector, second interface of the 8th connector, the 3rd interface of the 7th connector, the 3rd interface of the tenth connector, the low pressure joint detection line of second high tension apparatus, second interface of the tenth connector, second interface of the 7th connector, the 3rd interface of the 6th connector, the 3rd interface of the 11 connector, the low pressure joint detection line of the 3rd high tension apparatus, second interface of the 11 connector, second interface of the 6th connector, the 3rd interface of the 5th connector, the 3rd interface of the 12 connector, the low pressure joint detection line of the 4th high tension apparatus, second interface of the 12 connector, second interface of the 5th connector, the 3rd interface of the 4th connector, the 3rd interface of the 13 connector, the low pressure joint detection line of the 5th high tension apparatus, second interface of the 13 connector, second interface of the 4th connector, second interface of the 3rd connector, the 3rd interface of first connector, No. 4 stitch of battery management unit; No. 1 stitch of described battery management unit is connected in series first relay, and No. 2 stitch of battery management unit are connected in series second relay.
Also be connected in series first fuse between the described high-tension battery positive pole and second relay, be connected in series second fuse, the 3rd fuse, the 4th fuse, the 5th fuse, the 6th fuse between the 4th interface of first interface of high pressure distribution box without protectors and the 4th connector, the 5th connector, the 6th connector, the 7th connector, the 8th connector respectively.
Beneficial effect: the utility model connects to check between each high tension apparatus whether each high pressure wire harness connects reliable by rigid line, thus the supply of control high tension supply, and the personnel of preventing touch charged high tension apparatus.
Description of drawings
Accompanying drawing is a circuit diagram of the present utility model.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
As shown in drawings, pure electric automobile main high voltage device has high-tension battery bag, high pressure distribution box without protectors, high tension apparatus.
To high tension apparatus 1, the High-Voltage Electrical Appliances loop is: high-tension battery positive pole → relay (Relay 2) → C1 → C2 → C3 → high pressure distribution box without protectors → C8 → C9 → high tension apparatus 1 → C9 → C8 → high pressure distribution box without protectors → C3 → C1 → relay (Relay 1) → high-tension battery negative pole;
In like manner, to high tension apparatus 2, its high tension loop is: high-tension battery positive pole → relay (Relay 2) → C1 → C2 → C3 → high pressure distribution box without protectors → C7 → C10 → high tension apparatus 2 → C10 → C7 → high pressure distribution box without protectors → C3 → C1 → relay (Relay 1) → high-tension battery negative pole;
In like manner, to high tension apparatus 3, its high tension loop is: high-tension battery positive pole → relay (Relay 2) → C1 → C2 → C3 → high pressure distribution box without protectors → C6 → C11 → high tension apparatus 3 → C11 → C6 → high pressure distribution box without protectors → C3 → C1 → relay (Relay 1) → high-tension battery negative pole;
In like manner, to high tension apparatus 4, its high tension loop is: high-tension battery positive pole → relay (Relay 2) → C1 → C2 → C3 → high pressure distribution box without protectors → C5 → C12 → high tension apparatus 4 → C12 → C5 → high pressure distribution box without protectors → C3 → C1 → relay (Relay 1) → high-tension battery negative pole;
In like manner, to high tension apparatus 5, its high tension loop is: high-tension battery positive pole → relay (Relay 2) → C1 → C2 → C3 → high pressure distribution box without protectors → C4 → C13 → high tension apparatus 5 → C13 → C4 → high pressure distribution box without protectors → C3 → C1 → relay (Relay 1) → high-tension battery negative pole.
Low pressure joint detection loop is: No. 3 stitch → C1 → C2 → service switch → C2 → C3 of battery management unit → cover plate is pressed and is touched switch → C8 → C9 → high tension apparatus 1 → C9 → C8 → C7 → C10 → high tension apparatus 2 → C10 → C7 → C6 → C11 → high tension apparatus 3 → C11 → C6 → C5 → C12 → high tension apparatus 4 → C12 → C5 → C4 → C13 → high tension apparatus 5 → C13 → C4 → C3 → No. 4 stitch of C1 → battery management unit.
High-voltage control circuit is: battery management unit is controlled the break-make of battery cathode by relay 1 by No. 1 stitch; Battery management unit is controlled the break-make of anode by relay 2 by No. 2 stitch.
In order to reach in good time detection high pressure wire harness coupled condition, the personnel of preventing touch charged high tension apparatus purpose, and technical scheme principle of the present invention is as follows:
BMU in the accompanying drawing (battery management unit) to joint detection line output high level state, passes through the level state of No. 4 stitch detection joint detection lines by No. 3 stitch simultaneously.As shown in the figure, under the normal circumstances, BMU gets back to No. 4 stitch of BMU by the high level state of No. 3 stitch outputs by the joint detection line, and this moment, No. 4 stitch were high level state; When any one high pressure wire harness attaching parts gets loose among the figure, service switch is extracted, when cover plate is pressed and to be touched switch opens; No. 4 stitch will detect less than high level state; BMU will disconnect the relay 1 and the relay 2 of high-tension battery by No. 1 and No. 2 stitch respectively this moment; thereby guarantee that exterior all the high pressure wire harness of power brick are not with high-tension current, to realize protection to human body.
When following situation occurring:
1) power brick high pressure output connector C1 is unpluged or when getting loose;
When 2) connector C2 gets loose;
When 3) service switch is pulled out;
When 4) the connector C3 of high pressure distribution box without protectors gets loose;
When 5) high pressure distribution box without protectors cover plate was loosening, cover plate was pressed and is touched the switch disconnection;
6) any one gets loose among connector C4, the C5 of high pressure distribution box without protectors, C6, C7, the C8;
7) any one gets loose among connector C13, the C12 of high tension apparatus end, C11, C10, the C9;
In any one the time; the joint detection circuit all can be disconnected; No. 4 stitch of battery management unit this moment detect less than high level state; battery management unit judges that there is potential safety hazard in high tension loop for this reason; thereby disconnect relay 1 and relay 2 respectively by 1, No. 2 stitch; and then cut off the exterior high-tension current of power brick, thus realize high-pressure security protection, prevent injury to human body.
Term explanation in the accompanying drawing:
The HV high-tension current
The Fuse fuse
The Relay relay
C (connector) connector
Claims (2)
1. the high-voltage safety device based on pure electric automobile is characterized in that comprising High-Voltage Electrical Appliances loop, low pressure joint detection loop and high pressure control loop;
Described High-Voltage Electrical Appliances loop is: the high-tension battery positive pole is connected in series second relay successively, first interface of first connector, first interface of second connector, the 4th interface of second connector, the 4th interface of the 3rd connector, first interface of high pressure distribution box without protectors, first interface of high pressure distribution box without protectors also connects the 4th connector, the 5th connector, the 6th connector, the 7th connector, the 4th interface of the 8th connector, the 4th connector, the 5th connector, the 6th connector, the 7th connector, the 4th interface of the 8th connector is connected in series the 13 connector respectively successively, the 12 connector, the 11 connector, the tenth connector, the 4th interface of the 9th connector, the 5th high tension apparatus, the 4th high tension apparatus, the 3rd high tension apparatus, second high tension apparatus, the positive pole of first high tension apparatus and negative pole, the 13 connector, the 12 connector, the 11 connector, the tenth connector, first interface of the 9th connector, the 4th connector, the 5th connector, the 6th connector, the 7th connector, first interface of the 8th connector, the 4th connector, the 5th connector, the 6th connector, the 7th connector, first interface of the 8th connector also connects second interface of high pressure distribution box without protectors, and second interface of high pressure distribution box without protectors is connected in series first interface of the 3rd connector successively, the 4th interface of first connector, first relay and high-tension battery negative pole;
Described low pressure joint detection loop is: No. 3 stitch of battery management unit are connected in series second interface of first connector successively, second interface of second connector, service switch, the 3rd interface of second connector, the 3rd interface of the 3rd connector, cover plate is pressed and is touched switch, the 3rd interface of the 8th connector, the 3rd interface of the 9th connector, the low pressure joint detection line of first high tension apparatus, second interface of the 9th connector, second interface of the 8th connector, the 3rd interface of the 7th connector, the 3rd interface of the tenth connector, the low pressure joint detection line of second high tension apparatus, second interface of the tenth connector, second interface of the 7th connector, the 3rd interface of the 6th connector, the 3rd interface of the 11 connector, the low pressure joint detection line of the 3rd high tension apparatus, second interface of the 11 connector, second interface of the 6th connector, the 3rd interface of the 5th connector, the 3rd interface of the 12 connector, the low pressure joint detection line of the 4th high tension apparatus, second interface of the 12 connector, second interface of the 5th connector, the 3rd interface of the 4th connector, the 3rd interface of the 13 connector, the low pressure joint detection line of the 5th high tension apparatus, second interface of the 13 connector, second interface of the 4th connector, second interface of the 3rd connector, the 3rd interface of first connector, No. 4 stitch of battery management unit;
No. 1 stitch of described battery management unit is connected in series first relay, and No. 2 stitch of battery management unit are connected in series second relay.
2. according to the described high-voltage safety device of claim 1 based on pure electric automobile, it is characterized in that: also be connected in series first fuse between the described high-tension battery positive pole and second relay, be connected in series second fuse, the 3rd fuse, the 4th fuse, the 5th fuse, the 6th fuse between the 4th interface of first interface of high pressure distribution box without protectors and the 4th connector, the 5th connector, the 6th connector, the 7th connector, the 8th connector respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120011960XU CN201961158U (en) | 2011-01-14 | 2011-01-14 | High voltage safety device based on real electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120011960XU CN201961158U (en) | 2011-01-14 | 2011-01-14 | High voltage safety device based on real electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN201961158U true CN201961158U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120011960XU Expired - Fee Related CN201961158U (en) | 2011-01-14 | 2011-01-14 | High voltage safety device based on real electric automobile |
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| CN (1) | CN201961158U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072485A (en) * | 2013-01-16 | 2013-05-01 | 惠州市亿能电子有限公司 | High-voltage interlocking circuit of electric automobile |
| CN103612567A (en) * | 2013-11-22 | 2014-03-05 | 上海翼锐汽车科技有限公司 | Electric vehicle high voltage safety protecting system and method |
| CN103683189A (en) * | 2013-12-11 | 2014-03-26 | 湖南南车时代电动汽车股份有限公司 | Protective device of high-voltage distribution device of electric automobile |
| CN104608639A (en) * | 2014-12-24 | 2015-05-13 | 山东新大洋电动车有限公司 | High-voltage electrical connector for pure electric vehicles |
| CN105235526A (en) * | 2015-11-13 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Electric car and high voltage protection device thereof |
| CN105501066A (en) * | 2015-11-30 | 2016-04-20 | 奇瑞汽车股份有限公司 | Detection system and method for high-voltage loop fault in electric automobile |
| CN106773984A (en) * | 2016-12-29 | 2017-05-31 | 上海思致汽车工程技术有限公司 | A kind of integrated form power electronic equipment of electric automobile |
| CN106945528A (en) * | 2017-04-10 | 2017-07-14 | 汽-大众汽车有限公司 | A kind of high voltage power supply device |
| CN109449506A (en) * | 2018-09-30 | 2019-03-08 | 江西江铃集团新能源汽车有限公司 | The battery pack evaluation system of electric car |
| CN110435427A (en) * | 2019-07-16 | 2019-11-12 | 中国第一汽车股份有限公司 | A kind of high pressure line device for electric vehicle |
-
2011
- 2011-01-14 CN CN201120011960XU patent/CN201961158U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072485A (en) * | 2013-01-16 | 2013-05-01 | 惠州市亿能电子有限公司 | High-voltage interlocking circuit of electric automobile |
| CN103612567A (en) * | 2013-11-22 | 2014-03-05 | 上海翼锐汽车科技有限公司 | Electric vehicle high voltage safety protecting system and method |
| CN103612567B (en) * | 2013-11-22 | 2015-12-09 | 上海翼锐汽车科技有限公司 | A kind of High-voltage safety protection system of electromobile and method thereof |
| CN103683189A (en) * | 2013-12-11 | 2014-03-26 | 湖南南车时代电动汽车股份有限公司 | Protective device of high-voltage distribution device of electric automobile |
| CN104608639A (en) * | 2014-12-24 | 2015-05-13 | 山东新大洋电动车有限公司 | High-voltage electrical connector for pure electric vehicles |
| CN104608639B (en) * | 2014-12-24 | 2017-03-08 | 山东新大洋电动车有限公司 | A kind of pure electric automobile high-tension connector |
| CN105235526A (en) * | 2015-11-13 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Electric car and high voltage protection device thereof |
| CN105501066A (en) * | 2015-11-30 | 2016-04-20 | 奇瑞汽车股份有限公司 | Detection system and method for high-voltage loop fault in electric automobile |
| CN106773984A (en) * | 2016-12-29 | 2017-05-31 | 上海思致汽车工程技术有限公司 | A kind of integrated form power electronic equipment of electric automobile |
| CN106945528A (en) * | 2017-04-10 | 2017-07-14 | 汽-大众汽车有限公司 | A kind of high voltage power supply device |
| CN109449506A (en) * | 2018-09-30 | 2019-03-08 | 江西江铃集团新能源汽车有限公司 | The battery pack evaluation system of electric car |
| CN110435427A (en) * | 2019-07-16 | 2019-11-12 | 中国第一汽车股份有限公司 | A kind of high pressure line device for electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20140114 |