CN203617369U - Battery box for electric vehicle and high-voltage management system - Google Patents
Battery box for electric vehicle and high-voltage management system Download PDFInfo
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- CN203617369U CN203617369U CN201320735204.0U CN201320735204U CN203617369U CN 203617369 U CN203617369 U CN 203617369U CN 201320735204 U CN201320735204 U CN 201320735204U CN 203617369 U CN203617369 U CN 203617369U
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- box body
- high voltage
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery box for an electric vehicle and a high-voltage management system. The battery box comprises a box body, a high-voltage maintenance switch, a high-voltage input connector, a high-voltage output connector and a high-voltage contactor component, wherein the high-voltage maintenance switch, the high-voltage input connector and the high-voltage output connector are arranged on the box body, the high-voltage contactor component is arranged in the box body, and connected with the high-voltage maintenance switch, the high-voltage input connector and the high-voltage output connector through a copper bar to form a loop. According to the battery box for the electric vehicle, provided by the utility model, under the condition that when short circuit and overload happen to an external circuit connected with the high-voltage input connector and the high-voltage output connector, the high-voltage circuit in a protection box body can be switched off through the high-voltage contactor component arranged in the box body; moreover, under the maintenance state that the battery box is connected to a battery pack, electric connection between the battery pack and external high voltage can be realized by operating the high-voltage maintenance switch in a safe and manual manner.
Description
Technical field
The utility model relates to automobile technical field, particularly, and particularly a kind of battery case for electric automobile and high pressure management system.
Background technology
Battery case is applied in the electrokinetic cell bag on current electric automobile, has realized the function such as high pressure disjunction and safeguard protection, pre-charging functions and current acquisition of high pressure management system to power brick by it.In high-voltage battery system used for electric vehicle, security design of high voltage is important consideration direction.How to realize the key design point that high-voltage safety management is existing battery system design.In correlation technique, in the battery system design of main flow, be all provided with the contour protective device that breaks out of high voltage connector at the major loop of battery, under unsafe condition, carry out safeguard protection thereby realize.But in most cases do not pay attention to the design of electrical security, directly electric device is random is arranged in narrow space by high-tension electricity device, current sensor etc., do not realize the detailed design such as integrated, the modularization of electrical equipment and safe.Therefore, there is the problem of sealing, anti-electromagnetic interference and high-voltage safety in these power brick, the realization that Electro Magnetic Compatibility is not ideal enough, be unfavorable for automation assembling work in enormous quantities.
Utility model content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.For this reason, an object of the present utility model is to propose a kind of have high pressure disjunction to power brick and the battery case for electric automobile of safeguard protection.
Another object of the present utility model is to propose a kind of high pressure management system with above-mentioned battery case.
According to aspect of the utility model, a kind of battery case for electric automobile is provided, comprising: box body; Be located at high pressure maintenance switch, high input voltage connector and High voltage output connector on described box body; And high voltage connector group, described high voltage connector group is located in described box body, and connects into loop by copper bar and described high pressure maintenance switch, described high input voltage connector and described High voltage output connector.
According to the battery case for electric automobile of embodiment of the present utility model, on box body, be provided with and outside high input voltage connector and the High voltage output connector being connected of box body, by high pressure maintenance switch is set on box body, occur under short circuit and overload situations at the external circuit being connected with high input voltage connector and High voltage output connector, disconnect the high-tension circuit in protection box body by the high voltage connector group being located in box body; Can be connected under battery pack maintenance state at battery case again, realize battery pack by operate high pressure maintenance switch and separate with the manual safety electrical connection of external high pressure.And, have safe and reliablely for the battery case of electric automobile, Electro Magnetic Compatibility is good, connects simple and favorably situated advantage, is very beneficial for automation modularized design and produces.
In addition, can also there is following additional technical characterictic according to the battery case for electric automobile of the utility model above-described embodiment:
According to an embodiment of the present utility model, on described copper bar, be arranged with insulating sleeve.
According to an embodiment of the present utility model, the thickness of described insulating sleeve is 0.5-1.5mm.
According to an embodiment of the present utility model, described high pressure maintenance switch is located on the upper side frame of described box body, described high input voltage connector and described High voltage output connector are located on described box body, described high input voltage connector is located at the left side of described box body, and described High voltage output connector is located at the right side of described box body.
According to an embodiment of the present utility model, described high voltage connector group comprises: total anode high voltage connector, and described total anode high voltage connector is connected between described high pressure maintenance switch and described High voltage output connector; And total negative terminal high voltage connector, described total negative terminal high voltage connector is connected between described high input voltage connector and described High voltage output connector.
According to an embodiment of the present utility model, further comprise: Hall current sensor, the centre bore of described Hall current sensor is set in the described copper bar for connecting described high pressure maintenance switch and described High voltage output connector.
According to an embodiment of the present utility model, battery case for electric automobile further comprises the precharge contactor and the pre-charge resistance that are positioned at described box body, in parallel with described total anode high voltage connector after described precharge contactor and the series connection of described pre-charge resistance.
According to an embodiment of the present utility model, further comprise for the battery case of electric automobile the shunt that is positioned at described box body, described shunt is connected between described high input voltage connector and described total negative terminal high voltage connector.
According to an embodiment of the present utility model, described box body is aluminium alloy box body.
According on the other hand of the present utility model, a kind of high pressure management system is provided, comprise the above-mentioned battery case for electric automobile.
Accompanying drawing explanation
Fig. 1 is the high pressure catenation principle figure according to the battery case for electric automobile of the present utility model;
Fig. 2 is according to the structural representation of the battery case for electric automobile of the present utility model;
Fig. 3 is the high-voltage interlocking schematic diagram according to the battery case for electric automobile of the present utility model;
Fig. 4 is according to the high pressure management system for electric automobile of the present utility model.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
As shown in Figure 1 and Figure 2, according to the battery case for electric automobile of embodiment of the present utility model, comprising: box body 100, high pressure maintenance switch 10, high input voltage connector 20, High voltage output connector 30 and high voltage connector group 40.
Particularly, high pressure maintenance switch 10 can be located on box body 100, for example, can be located on the frame of box body 100.On high pressure maintenance switch 10, can be provided with the spanner or the knob that are positioned at box body 100 outsides, to realize break-make control by spanner or knob.High input voltage connector 20 and High voltage output connector 30 also can be located on the frame of box body 100 to facilitate lead-in wire.High voltage connector group 40 can be located in box body 100, and connects into loop by copper bar 200 and high pressure maintenance switch 10, high input voltage connector 20 and High voltage output connector 30.
According to the battery case for electric automobile of embodiment of the present utility model, on box body 100, be provided with and outside high input voltage connector 20 and the High voltage output connector 30 being connected of box body 100, by high pressure maintenance switch 10 is set on box body 100, occur under short circuit and overload situations at the external circuit being connected with high input voltage connector 20 and High voltage output connector 30, disconnect the high-tension circuit in protection box body 100 by the high voltage connector group 40 being located in box body 100; Can be connected under battery pack maintenance state at battery case again, realize battery pack by operate high pressure maintenance switch 10 and separate with the manual safety electrical connection of external high pressure.And, have safe and reliablely for the battery case 100 of electric automobile, Electro Magnetic Compatibility is good, connects simple and favorably situated advantage, is very beneficial for automation modularized design and produces.
According to an embodiment of the present utility model, on copper bar 200, can be arranged with insulating sleeve (not shown).Thus, can improve the class of insulation of copper bar 200.Further, according to an embodiment of the present utility model, the thickness of insulating sleeve can be 0.5-1.5mm.For example, preferably, the thickness of insulating sleeve is 1mm.Insulating protection function is realized with the thick insulating sleeve of 1mm in the top layer of copper bar 200, and the connection of copper bar is succinct again, and cost is lower again.According to an embodiment of the present utility model, box body 100 can be aluminium alloy box body.For example, box body 100 can adopt aluminium alloy die sinking moulding, and inner electric device and box body 100 bottoms are directly fixing.
As shown in Figure 2, according to an embodiment of the present utility model, high pressure maintenance switch 10 can be located on the upper side frame 101 of box body 100, thus, can facilitate user to operate high pressure maintenance switch 10.High input voltage connector 20 and High voltage output connector 30 can be located on box body 100, high input voltage connector 20 can be located at the left side of box body 100, be for example on the left frame 102 of box body 100, High voltage output connector 30 can be located at the right side of box body 100, for example, be on the left frame 103 of box body 100.Thus, can conveniently connect up, and make the more regular of circuit arrangement in box body 100.
As shown in Figure 2, according to an embodiment of the present utility model, high voltage connector group 40 comprises: total anode high voltage connector 41 and total negative terminal high voltage connector 42.Particularly, total anode high voltage connector 41 is connected between high pressure maintenance switch 10 and High voltage output connector 30.Total negative terminal high voltage connector 42 is connected between high input voltage connector 20 and High voltage output connector 30.Thus, in the time that battery case is connected to battery pack, realizing battery pack and external high pressure under malfunction by high voltage connector group 40 can disconnect safely.
As shown in Figure 2, according to an embodiment of the present utility model, battery case for electric automobile may further include: Hall current sensor 50, the centre bore of Hall current sensor 50 is set in the copper bar 200 for connecting high pressure maintenance switch 10 and High voltage output connector 30.According to an embodiment of the present utility model, high voltage connector group 40 may further include the precharge contactor 43 and the pre-charge resistance 44 that are positioned at box body 100, in parallel with total anode high voltage connector 41 after precharge contactor 43 and pre-charge resistance 44 series connection.According to an embodiment of the present utility model, may further include the shunt 60 that is positioned at box body 100 for the battery case of electric automobile, shunt 60 is connected between high input voltage connector 20 and total negative terminal high voltage connector 42.
Be understandable that, according to an embodiment of the present utility model, high pressure maintenance switch 10 can be located on the upper side frame 101 of box body 100.High input voltage connector 20 is located on the left frame 102 of box body 100, and the positive terminal of high input voltage connector 20 is connected with one end of high pressure maintenance switch 10 by copper bar 200.The cathode contact of total anode high voltage connector 41 is connected with the other end of high pressure maintenance switch 10 by copper bar 200.The copper bar 200 of the centre bore of the cathode contact of the positive pole of High voltage output connector 30 and total anode high voltage connector 41 by being arranged in Hall current sensor 50 is connected.The cathode contact of precharge contactor 43 is connected with the cathode contact end of total anode high voltage connector 41.Pre-charge resistance 44 one end are connected with the cathode contact of total anode high voltage connector 41, and the other end is connected with the cathode contact of precharge contactor 43.One end of shunt 60 is connected by copper bar 200 with the negative pole end of high input voltage connector 20.Total cathode contact of negative terminal high voltage connector 42 and the other end of shunt 60 are connected by copper bar 200, and the cathode contact of total negative terminal high voltage connector 42 is connected with the negative pole of High voltage output connector 30 by copper bar 200.
Further, as shown in Figure 2, according to an embodiment of the present utility model, the upper side frame 101 of the contiguous box body 100 of the positive pole of high input voltage connector 20 arranges.Thus, can make positive pole that high pressure maintenance switch 10 is arranged in high-tension circuit near voltage input end, such design is when in total anode high voltage connector 41 and total negative terminal high voltage connector 42, any one is in the fault sticking together, can carry out manual separation by high pressure maintenance switch 10, guarantee fail safe.
According to an embodiment of the present utility model, pre-charge resistance 44 one end can be connected by wire with the cathode contact of total anode high voltage connector 41.Thus, couple together convenient.
As shown in Figure 1, Hall current sensor 50 be arranged in high tension loop positive terminal, shunt 60 is arranged in the negative pole end of high tension loop, their effect is all the size in order to gather battery set charge/discharge electric current, adopt this diverse location that is arranged in, principle difference but the identical current acquisition Redundancy Design pattern of function, even exactly in order to guarantee that high pressure management system still can collect size of current value the current acquisition fault of You Yi road in the situation that.
As shown in Figure 3, according to the battery case for electric automobile of embodiment of the present utility model, proposed a kind of design of high-voltage interlocking, high input voltage connector 20, high pressure maintenance switch 10 and High voltage output connector 30 all increase high-voltage interlocking function signal pin.Interlocking signal pin between high input voltage connector 20, high pressure maintenance switch 10 and High voltage output connector 30 is connected in series with wire and connector in battery case of the present utility model inside, only have after the reliable and locking of seat end firm plug when the high-voltage wiring harness end of high input voltage connector 20 and High voltage output connector 30 outsides and battery case, the interlocking path of electrical appliance kit inside is only conducting; In like manner the integrated fuse of high pressure maintenance switch 10 and seat end be under unsegregated state, and interlocking path is only conducting.
Shown in Fig. 4, according to high pressure management system of the present utility model, can comprise according to the battery case of the utility model above-described embodiment as shown 3.The high-voltage interlocking signal pins of high input voltage connector 20, high pressure maintenance switch 10 and High voltage output connector 30 is connected in series by low pressure communication connector 11 and is linked into total anode high voltage connector 41 of high pressure management system and the coil power supply of total negative terminal high voltage connector 42 enables in loop.When high pressure management system only has the conducting of interlocking path in the time working, detect that the coil power supply that is connected in series to total anode high voltage connector 41 and total negative terminal high voltage connector 42 enables loop conducting, at this moment make the 24Vdc electricity of relay 12 closures just can export, this is the prerequisite of the closed total anode high voltage connector 41 of high pressure management system control and total negative terminal high voltage connector 42.Any one connector and high pressure electric appliance box are thrown off, interlocking signal all can disconnect, total anode high voltage connector 41 of battery case inside and total negative terminal high voltage connector 42 all can disconnect, and the enforcement of this measure realizes battery pack and is connected with the high-tension electricity of external circuit, has guaranteed high-voltage safety.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this specification or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. for a battery case for electric automobile, it is characterized in that, comprising:
Box body;
Be located at high pressure maintenance switch, high input voltage connector and High voltage output connector on described box body; And
High voltage connector group, described high voltage connector group is located in described box body, and connects into loop by copper bar and described high pressure maintenance switch, described high input voltage connector and described High voltage output connector.
2. the electromagnetism box for electric automobile according to claim 1, is characterized in that, on described copper bar, is arranged with insulating sleeve.
3. the battery case for electric automobile according to claim 2, is characterized in that, the thickness of described insulating sleeve is 0.5-1.5mm.
4. the battery case for electric automobile according to claim 1, it is characterized in that, described high pressure maintenance switch is located on the upper side frame of described box body, described high input voltage connector and described High voltage output connector are located on described box body, described high input voltage connector is located at the left side of described box body, and described High voltage output connector is located at the right side of described box body.
5. the battery case for electric automobile according to claim 1, is characterized in that, described high voltage connector group comprises:
Total anode high voltage connector, described total anode high voltage connector is connected between described high pressure maintenance switch and described High voltage output connector; And
Total negative terminal high voltage connector, described total negative terminal high voltage connector is connected between described high input voltage connector and described High voltage output connector.
6. the battery case for electric automobile according to claim 5, it is characterized in that, further comprise: Hall current sensor, the centre bore of described Hall current sensor is set in the described copper bar for connecting described high pressure maintenance switch and described High voltage output connector.
7. the battery case for electric automobile according to claim 5, it is characterized in that, further comprise the precharge contactor and the pre-charge resistance that are positioned at described box body, in parallel with described total anode high voltage connector after described precharge contactor and the series connection of described pre-charge resistance.
8. the battery case for electric automobile according to claim 5, is characterized in that, further comprises the shunt that is positioned at described box body, and described shunt is connected between described high input voltage connector and described total negative terminal high voltage connector.
9. the battery case for electric automobile according to claim 1, is characterized in that, described box body is aluminium alloy box body.
10. a high pressure management system, is characterized in that, comprises according to the battery case described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735204.0U CN203617369U (en) | 2013-11-19 | 2013-11-19 | Battery box for electric vehicle and high-voltage management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320735204.0U CN203617369U (en) | 2013-11-19 | 2013-11-19 | Battery box for electric vehicle and high-voltage management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617369U true CN203617369U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320735204.0U Expired - Fee Related CN203617369U (en) | 2013-11-19 | 2013-11-19 | Battery box for electric vehicle and high-voltage management system |
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| Country | Link |
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| CN (1) | CN203617369U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025135A (en) * | 2016-07-14 | 2016-10-12 | 王超 | Multi-level electromagnetic protection device for electric vehicle batteries |
| CN107804171A (en) * | 2016-09-09 | 2018-03-16 | 福特全球技术公司 | Vehicle high-voltage interlock |
| CN108155312A (en) * | 2017-12-06 | 2018-06-12 | 力帆实业(集团)股份有限公司 | quick change battery pack assembly |
| CN110406380A (en) * | 2019-08-23 | 2019-11-05 | 中车资阳机车有限公司 | A kind of hybrid locomotrives battery system contactless box |
| CN110534983A (en) * | 2019-07-02 | 2019-12-03 | 宁波吉利汽车研究开发有限公司 | A kind of battery pack assembly and vehicle |
-
2013
- 2013-11-19 CN CN201320735204.0U patent/CN203617369U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025135A (en) * | 2016-07-14 | 2016-10-12 | 王超 | Multi-level electromagnetic protection device for electric vehicle batteries |
| CN107804171A (en) * | 2016-09-09 | 2018-03-16 | 福特全球技术公司 | Vehicle high-voltage interlock |
| CN108155312A (en) * | 2017-12-06 | 2018-06-12 | 力帆实业(集团)股份有限公司 | quick change battery pack assembly |
| CN108155312B (en) * | 2017-12-06 | 2023-05-16 | 力帆实业(集团)股份有限公司 | Quick-change battery pack assembly |
| CN110534983A (en) * | 2019-07-02 | 2019-12-03 | 宁波吉利汽车研究开发有限公司 | A kind of battery pack assembly and vehicle |
| CN110406380A (en) * | 2019-08-23 | 2019-11-05 | 中车资阳机车有限公司 | A kind of hybrid locomotrives battery system contactless box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180418 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |