CN101162836A - High-pressure security protection of electrokinetic cell system - Google Patents
High-pressure security protection of electrokinetic cell system Download PDFInfo
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- CN101162836A CN101162836A CNA2007101660795A CN200710166079A CN101162836A CN 101162836 A CN101162836 A CN 101162836A CN A2007101660795 A CNA2007101660795 A CN A2007101660795A CN 200710166079 A CN200710166079 A CN 200710166079A CN 101162836 A CN101162836 A CN 101162836A
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- tension
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- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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Abstract
The present invention discloses a connection breakover method for a high voltage battery system and a vehicle system, wherein the high voltage battery system and the vehicle system are connected by a high voltage wire assembly and a low voltage connecting part. The high voltage wire assembly comprises a high voltage anode and cathode wire, a set of connector, a metal flat plate and a conductive contact. The low voltage connecting part comprises a contactor close signal wire. The high voltage battery system has a conductive sheet corresponding to the conductive contact. The conductive contact in the high voltage wire assembly is connected with the conductive sheet in the high voltage battery system. A battery management and control unit can control close of the contactor after receiving close signal from the vehicle system, thereby realizing safe connection of high voltage circuit. When abnormal peeling of the high voltage anode and cathode wires occurs, two conductive contacts in the high voltage wire assembly are separated from the conductive sheet in the high voltage battery system. The battery management and control unit can control the break of an anode and cathode contactor. When the inside of the high voltage battery system is not connected through, the anode and cathode has no electricity.
Description
Technical field
The present invention relates to a kind of method for security protection of electrokinetic cell, especially for the high-pressure security protection method of the electrokinetic cell system on the electric automobile.
Background technology
Along with the Prius hybrid vehicle of Japanese Toyota Company is introduced to the market, each big motor corporation also gets more and more to the human and material resources of hybrid vehicle and the input of fund.At present, in order to improve the energy efficiency of vehicle, also oil consumption and discharging simultaneously in order better to improve vehicle, the electric pressure of hybrid vehicle is also more and more higher.Along with the raising of electric pressure, higher more fully requirement has just been proposed for the security consideration of high-voltage battery system.In existing technology, the safeguard protection of high-voltage battery system is mainly considered from the following aspects:
The inner hand switch that increases of high-voltage battery system: when maintenance vehicle, come the external electric energy output of cutoff high battery by this switch;
In the vehicle operating process, detect the state of insulation of high-pressure system by the insulation resistance between measurement high-pressure system and vehicle chassis;
Increase the uncovery protective device: when the high-voltage battery system shell was opened, the output loop that this protective device can the cutoff high battery did not allow electric energy output.
Such scheme has all played certain safeguard protection effect to high-voltage battery system under corresponding situation, but this potential safety hazard under the following situation still is not resolved:
Wire harness between high-voltage battery system and the vehicle normally connects, and entire car controller sends instruction, makes the relay closes in the high-voltage battery system; At this moment, can carry out normal charge and discharge process between high-voltage battery system and the vehicle inverter; In a certain moment subsequently, the low pressure connecting line normally connects, and the both positive and negative polarity connecting line of the high-voltage battery system that links to each other with vehicle inverter comes off because of a certain improper reason.In this case, the relay of high-voltage battery system inside is still closed, also is positive and negative extremely charged.This is a kind of potential safety hazard, in the prior art also not to the safeguard measure of this potential safety hazard.
Summary of the invention
To be solved among the present invention is exactly the positive and negative polar curve of the above-mentioned high-voltage battery system of the mentioning security hidden trouble when coming off.
The technical scheme that the present invention takes on general structure is: a kind of high-tension battery electric power system, comprise high-voltage battery system, high-tension line assembly and low pressure coupling part, wherein high-tension line assembly comprises the positive and negative polar curve of high pressure, one cover plug connector, metal plate and conductive contact, the low pressure coupling part comprises other signals such as contactor closure signal line, high-voltage battery system inside has one and the corresponding conducting strip of described conductive contact, this conducting strip one end links to each other with described contactor closure signal line from the whole vehicle controller, the other end partly links to each other with the battery management and the control unit of high-voltage battery system, is used to control the control loop of both positive and negative polarity contactor.
During with being connected of high-voltage battery system and Vehicular system, at first high-tension line assembly and low pressure coupling part are connected with vehicle, high-tension battery interface section respectively, at this moment, the conducting that contacts with the conducting strip of high-voltage battery system inside of two described conductive contacts on the high-tension line assembly; Entire car controller in the Vehicular system sends the contactor closure signal, after the battery management of described high-voltage battery system and control unit were received close command, the control contactor closure was after normally finishing pre-charge process, both positive and negative polarity contactor closure realizes the safe conducting of high tension loop.
When the improper dropping situations of the positive and negative polar curve of high pressure took place, two conductive contacts on the described high-tension line assembly metal decking separated with the conducting strip of high-voltage battery system inside; Battery management and control unit control both positive and negative polarity contactor control loop disconnect, and the both positive and negative polarity contactor disconnects at once, and high-voltage battery system not conducting of inside is positive and negative extremely not charged.
This connects, and the conducting method is simple in structure, and principle is clear, and practicality is very strong simultaneously, a kind of a kind of effective ways that can better improve high-voltage battery system safety on the mixed power car of therefore can yet be regarded as.
Description of drawings
Fig. 1 is Vehicular system of the present invention and high-voltage battery system external interface schematic diagram.
Fig. 2 is Vehicular system of the present invention and high-voltage battery system connection diagram;
Fig. 3 is the end view of high-tension line assembly of the present invention.
Fig. 4 is the shaft side figure of high-tension line assembly of the present invention.
Fig. 5 is Vehicular system of the present invention and high-voltage battery system inside and outside connection diagram.
Description of reference numerals:
The 1-Vehicular system; The 11-entire car controller;
The 2-high-voltage battery system; 21-battery management and control unit part; The 22-conducting strip; The anodal contactor of 23-; 24-negative pole contactor;
The 3-high-tension line assembly; 31-high-voltage positive electrode line; The anodal connector of 32-high voltage negative line 33-; 34-negative pole plug connector; 35-metal plate 35; The 36-conductive contact; The 37-slave part; The 38-groove;
4-low pressure coupling part; 41-low pressure rat tail; 42-low pressure connector; 43-contactor closure signal line;
Embodiment
Now in conjunction with the accompanying drawings the application's enforcement is described further.
As shown in Figure 1, online between Vehicular system 1 and the high-voltage battery system 2 by high-tension line assembly 3 and low pressure coupling part 4; Its mesolow coupling part is made up of low pressure rat tail 41 and low pressure connector 42, mainly contains holding wire and 12V power line etc., and a contactor closure signal line 43 from Vehicular system 1 is wherein arranged.The positive and negative polar curve 31,32 of high pressure is connected with the high-voltage battery system both positive and negative polarity for convenience, has used a cover connector 33,34, and the positive and negative polar curve connected mode of connector and high pressure is seen Fig. 3 and Fig. 4.
In Fig. 3 and Fig. 4, high-tension line assembly is mainly by the positive and negative polar curve of high pressure 31,32, one cover connectors 33,34, metal plate 35, conductive contact 36 and fixedly the slave part 37 of conductive contact form.High-voltage positive electrode line 31 is by Crimping Pliers and anodal 33 inner connections of connector, and the high voltage negative line is same; Then both positive and negative polarity connector 33,34 is fixed on the metal plate 35; Two conductive contacts 36 (slave part 37 that is used for fixing conductive contact is the insulating properties material) are installed on metal plate; One end of each connector 33,34 all has a threaded dark groove 38, inside grooves is connected with the positive and negative polar curve of high pressure, when being installed in the vehicle high-tension line assembly on the high-voltage battery system, the both positive and negative polarity of battery all is tightened in the groove, has so just realized that the vehicle high-voltage line is connected with the conducting of battery plus-negative plate.
As shown in Figure 5, high-voltage battery system 2 inner near have near the both positive and negative polarities one with Fig. 3 and Fig. 4 in conductive contact 36 corresponding conducting strips 22, this conducting strip one end links to each other with contactor closure signal line 43 from the whole vehicle controller, the other end links to each other with battery management and control unit part 21, promptly controls the control loop of positive and negative electrode contactor 23,24.
When connecting, at first high-tension line assembly 3 and low pressure coupling part 4 are connected with vehicle, high-tension battery interface section respectively, at this moment, the conducting that contacts with the conducting strip 22 of high-voltage battery system 2 inside of two conductive contacts 36 on the high-tension line assembly 3; Entire car controller 11 in the Vehicular system 1 sends the contactor closure signal by the wherein circuit in Fig. 5 mesolow rat tail 41, after battery management and control unit 21 are received close command, request positive and negative electrode contactor 23,24 closures, after normally finishing pre-charge process, the both positive and negative polarity probe of contactor is just closed, has realized the safe conducting of high tension loop.
In case the improper dropping situations of the positive and negative polar curve of high pressure takes place, and then two conductive contacts must separate with the conducting strip 22 of high-voltage battery system 2 inside on the metal decking 35 of high-tension line assembly 3; In case separate, battery management and control unit 21 just lose the contactor closure signal, the contactor control loop disconnects; probe of contactor disconnects at once so, high-voltage battery system 2 not conductings of inside, no electric energy output; positive and negative extremely not charged, promptly realized the protection of this kind potential safety hazard.
Obviously specific implementation of the present invention is not subjected to the restriction of high-tension battery type and system voltage grade; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other correlative technology field without improving, all within protection scope of the present invention.
Claims (6)
1. a high-voltage battery system and Vehicular system is connected the conducting method, described high-voltage battery system is connected by high-tension line assembly and low pressure coupling part with Vehicular system, wherein high-tension line assembly comprises the positive and negative polar curve of high pressure, cover plug connector, metal plate and a conductive contact, the low pressure coupling part comprises a contactor closure signal line, high-voltage battery system inside has one and the corresponding conducting strip of described conductive contact, it is characterized in that:
At first high-tension line assembly and low pressure coupling part are connected with vehicle, high-tension battery interface section respectively, at this moment, the conducting that contacts with the conducting strip of high-voltage battery system inside of two described conductive contacts on the high-tension line assembly;
Entire car controller in the Vehicular system sends the contactor closure signal then, after the battery management of described high-voltage battery system and control unit were received close command, the control contactor closure was after normally finishing pre-charge process, both positive and negative polarity contactor closure realizes the safe conducting of high tension loop.
2. connection conducting method according to claim 1 is characterized in that: when the improper dropping situations of the positive and negative polar curve of high pressure took place, two conductive contacts on the described high-tension line assembly metal decking separated with the conducting strip of high-voltage battery system inside; Battery management and control unit control contactor control loop disconnect, and the both positive and negative polarity contactor disconnects.High-voltage battery system not conducting of inside, positive and negative extremely not charged.
3. high-tension battery electric power system, comprise high-voltage battery system, high-tension line assembly and low pressure coupling part, wherein high-tension line assembly comprises the positive and negative polar curve of high pressure, one cover plug connector, metal plate and conductive contact, the low pressure coupling part comprises a contactor closure signal line, it is characterized in that: high-voltage battery system inside has one and the corresponding conducting strip of described conductive contact, this conducting strip one end links to each other with described contactor closure signal line from the whole vehicle controller, the other end partly links to each other with the battery management and the control unit of high-voltage battery system, is used to control the control loop of described contactor.
4. high-tension battery electric power system according to claim 3, it is characterized in that: an end of described each plug connector all has a threaded groove, inside grooves is connected with the positive and negative polar curve of high pressure, when being installed in high-tension line assembly on the high-voltage battery system, the both positive and negative polarity of battery all is tightened in the described groove, thereby realizes that the vehicle high-voltage line is connected with the conducting of battery plus-negative plate.
5. high-tension battery electric power system according to claim 4 is characterized in that: described conductive contact is installed on the described metal plate, and the slave part of fixing described conductive contact is the insulating properties material.
6. high-tension line assembly, be used to connect high-voltage battery system and Vehicular system, comprise the positive and negative polar curve of high pressure, cover plug connector, metal plate and a conductive contact, one end of described each plug connector all has a threaded groove, inside grooves is connected with the positive and negative polar curve of high pressure, when being installed in high-tension line assembly on the high-voltage battery system, the both positive and negative polarity of battery all is tightened in the described groove, thereby realizes that the vehicle high-voltage line is connected with the conducting of battery plus-negative plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710166079A CN100583587C (en) | 2007-11-02 | 2007-11-02 | High-voltage battery system, connection method of the battery system with vechile system, high voltage cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710166079A CN100583587C (en) | 2007-11-02 | 2007-11-02 | High-voltage battery system, connection method of the battery system with vechile system, high voltage cable assembly |
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| Publication Number | Publication Date |
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| CN101162836A true CN101162836A (en) | 2008-04-16 |
| CN100583587C CN100583587C (en) | 2010-01-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442203B (en) * | 2008-10-27 | 2012-05-23 | 奇瑞汽车股份有限公司 | Protection device for taking off cover of power battery |
| CN102574473A (en) * | 2009-09-14 | 2012-07-11 | 罗伯特·博世有限公司 | Method and device for operating a hybrid vehicle in the event of a fault in the energy system |
| WO2013185345A1 (en) * | 2012-06-15 | 2013-12-19 | Qoros Automotive Co., Ltd. | Battery energy draining method and system |
| CN103633679A (en) * | 2012-08-28 | 2014-03-12 | 六逸科技股份有限公司 | Electric product, high voltage safety power supply system and high voltage safety protector |
| CN109830940A (en) * | 2017-11-22 | 2019-05-31 | 湖南中车时代电动汽车股份有限公司 | A kind of circuit protection device and method for electric car |
| CN114274831A (en) * | 2021-12-28 | 2022-04-05 | 徐州徐工新能源汽车有限公司 | Battery replacement assembly, control method thereof, battery replacement vehicle and battery replacement system |
-
2007
- 2007-11-02 CN CN200710166079A patent/CN100583587C/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442203B (en) * | 2008-10-27 | 2012-05-23 | 奇瑞汽车股份有限公司 | Protection device for taking off cover of power battery |
| CN102574473A (en) * | 2009-09-14 | 2012-07-11 | 罗伯特·博世有限公司 | Method and device for operating a hybrid vehicle in the event of a fault in the energy system |
| CN102574473B (en) * | 2009-09-14 | 2014-09-24 | 罗伯特·博世有限公司 | Method and device for operating a hybrid vehicle in the event of a fault in the energy system |
| WO2013185345A1 (en) * | 2012-06-15 | 2013-12-19 | Qoros Automotive Co., Ltd. | Battery energy draining method and system |
| CN103748735A (en) * | 2012-06-15 | 2014-04-23 | 观致汽车有限公司 | Battery energy draining method and system |
| CN103748735B (en) * | 2012-06-15 | 2016-03-30 | 观致汽车有限公司 | A kind of energy content of battery consumption systems and method |
| CN103633679A (en) * | 2012-08-28 | 2014-03-12 | 六逸科技股份有限公司 | Electric product, high voltage safety power supply system and high voltage safety protector |
| CN103633679B (en) * | 2012-08-28 | 2015-09-30 | 六逸科技股份有限公司 | Electric product, high-voltage safety electric power system and high voltage safety protector |
| CN109830940A (en) * | 2017-11-22 | 2019-05-31 | 湖南中车时代电动汽车股份有限公司 | A kind of circuit protection device and method for electric car |
| CN109830940B (en) * | 2017-11-22 | 2020-08-25 | 湖南中车时代电动汽车股份有限公司 | Circuit protection device and method for electric automobile |
| CN114274831A (en) * | 2021-12-28 | 2022-04-05 | 徐州徐工新能源汽车有限公司 | Battery replacement assembly, control method thereof, battery replacement vehicle and battery replacement system |
| CN114274831B (en) * | 2021-12-28 | 2024-03-15 | 徐州徐工新能源汽车有限公司 | Battery power conversion assembly and control method thereof, power conversion car and power conversion system |
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| Publication number | Publication date |
|---|---|
| CN100583587C (en) | 2010-01-20 |
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