CN205273360U - Power battery's high pressure protection device and have its vehicle - Google Patents
Power battery's high pressure protection device and have its vehicle Download PDFInfo
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- CN205273360U CN205273360U CN201521087509.0U CN201521087509U CN205273360U CN 205273360 U CN205273360 U CN 205273360U CN 201521087509 U CN201521087509 U CN 201521087509U CN 205273360 U CN205273360 U CN 205273360U
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- electrokinetic cell
- downthrust
- power
- high pressure
- osculating element
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- 230000005611 electricity Effects 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 230000001012 protector Effects 0.000 claims description 32
- 239000004020 conductor Substances 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a power battery's high pressure protection device, including power battery protective film piece and power battery management module, the power battery protective film piece includes power, electric elements, collision extrusion osculating element and first relay, first relay includes control part and contact portion, the control part is controlled through the change of its inside break -make electricity contact portion switches on and breaks off, collision extrusion osculating element with behind the electric elements parallel connection again with the power the control part is the the first loop of series connection formation in proper order, power battery management module is including the power battery who is used for providing the high -tension electricity, contact portion with power battery directly or indirectly connects with control whether power battery's high voltage output. The utility model also provides the vehicle, the vehicle includes power battery's high pressure protection device.
Description
Technical field
This utility model relates to electrokinetic cell field, particularly relates to the high pressure protector of a kind of electrokinetic cell and has its vehicle.
Background technology
Along with the development of hybrid electric vehicle and electric motor car, car load dynamic property, economy and safety, as the critical component of hybrid electric vehicle and electric motor car, are all had significant impact by electrokinetic cell. In order to meet the energy requirement in hybrid electric vehicle and electric motor car, power battery pack be generally all by tens even hundreds and thousands of cells be together in series as hybrid electric vehicle and powering electric vehicles, the total voltage of electrokinetic cell generally can reach hundreds of volt. When this type of vehicle collides, high voltage power battery, high-voltage connector and wire harness are likely to be extruded because of the collision deformation of vehicle or destroy, and further result in high-pressure system short circuit or electric leakage accident etc. and cause second accident to occur, therefore must assure that vehicle is after collision occurs, disconnect the connection of high-pressure system in time, to ensure the personal safety of driver and passenger.
At present, typically via automatically controlled ECU unit (such as power battery management system, electric machine controller) insulation-monitoring function, detect whether short circuit or the generation of electric leakage accident, if it find that have short circuit or electric leakage accident, then control low-voltage control circuit by automatically controlled ECU unit to quit work, to disconnect the High voltage output of electrokinetic cell, but the program needs the logical judgment of automatically controlled ECU unit, the reaction of fault is slower for movement time, and the detection of automatically controlled ECU unit and control loop, after running for a long time, reliability can reduce. another scheme is the collision alarm sent according to safety airbag ECU place, automatically controlled ECU unit controls low-voltage control circuit and quits work, to disconnect the High voltage output of electrokinetic cell, but the program necessarily requires electric automobile to be configured with air bag, require that the collision sensing position of air bag must be consistent with the position of electrokinetic cell simultaneously, consider that the current overwhelming majority is equipped with the vehicle of air bag, collision sensing position is general all at anterior or sidepiece, and battery is arranged on rear portion more, therefore the program can may result in the design alteration of air bag, thus causing that development cost rises, the collision additionally partly not threatening electrokinetic cell also can trigger the collision alarm that safety airbag ECU place sends, cause unnecessary power-off protection. impact switch is touched when yet another approach is by colliding, cause detection unit testing result change, then cut-off signal is exported to particular relay, to disconnect the particular loop comprising electrokinetic cell, but the program may produce, the program not only needs to be equipped with accurate impact switch, simultaneously need to be equipped with advanced detection unit accurately to judge and to control, it is relatively costly, and each element rapid wear, unreliable, the installation site of impact switch is also relatively more fixing, in addition cannot judge whether to need power-off protection to the threat degree of electrokinetic cell or high-tension line according to collision, therefore be likely to cause unnecessary power-off protection.
Utility model content
In view of above-mentioned condition, it is necessary to provide the high pressure protector of a kind of simple in construction, with low cost, reliability and durability, power-off protection electrokinetic cell accurately, with deficiency of the prior art.
This utility model provides the high pressure protector of a kind of electrokinetic cell, the high pressure protector of described electrokinetic cell includes power supply, the downthrust osculating element of power-off, electrokinetic cell controller, and electrokinetic cell controller power on/off device, described downthrust osculating element is connected the loop formed again with described electrokinetic cell controller with described power sources in series after being connected in parallel, described electrokinetic cell controller power on/off device accesses in described loop; When colliding, described downthrust osculating element turns on because of collision, triggers described electrokinetic cell controller power on/off device to described electrokinetic cell controller power-off, and then controls the disconnection of electrokinetic cell High voltage output.
According to one embodiment of present invention, described downthrust osculating element includes at least one downthrust contact group, it is connected in parallel between at least one described downthrust contact group, described downthrust contact group is made up of two conductors not connected, described downthrust contact group forms a breakpoint when accessing described loop, and described downthrust contact group is arranged in the surrounding of described electrokinetic cell and along being likely to because collision produces the direction arrangement of extruding.
According to one embodiment of present invention, described conductor can be board-like, chip, frame, net like or other shapes.
According to one embodiment of present invention, described electrokinetic cell controller power on/off device is relay, described relay includes control portion and contact portion, described contact portion is closely series at the parallel branch of described electrokinetic cell controller, and described control portion is series at the parallel branch of described downthrust osculating element; When colliding, at least one described downthrust contact group of described downthrust osculating element makes two described conductor conductings of described downthrust contact group because of collision, described control portion is energized, described contact portion disconnects, described electrokinetic cell controller power-off, the high-tension electricity output of described electrokinetic cell is closed.
According to one embodiment of present invention, described relay is normal closing type relay.
According to one embodiment of present invention, described contact portion includes stationary contact and movable contact.
According to one embodiment of present invention, described control portion is solenoid or the solenoid inserting iron core.
According to one embodiment of present invention, described electrokinetic cell controller power on/off device is electric fuse, and described electric fuse and described power sources in series are connected in described loop; When colliding, at least one described downthrust contact group of described downthrust osculating element makes two described conductor conductings of described downthrust contact group because of collision, described power supply short circuit, described blown fuse, the power-off of described loop, described electrokinetic cell controller power-off, the high-tension electricity output of described electrokinetic cell is closed.
According to one embodiment of present invention, described electrokinetic cell controller power on/off device also includes the second relay, described second relay includes control portion and contact portion, described contact portion is series at the parallel branch of described downthrust osculating element, and described control portion and described downthrust osculating element are connected in parallel; When colliding, at least one described downthrust contact group of described downthrust osculating element makes two described conductor conductings of described downthrust contact group because of collision, described power supply short circuit, described blown fuse, the power-off of described loop, the power-off therewith of described control portion also controls the disconnection of described contact portion, and described electrokinetic cell controller power-off, the high-tension electricity output of described electrokinetic cell is closed.
This utility model also provides for a kind of vehicle, and described vehicle includes the high pressure protector of described electrokinetic cell.
The technical scheme of this utility model embodiment has the benefit that the high pressure protector of above-mentioned electrokinetic cell, owing to including downthrust osculating element, electrokinetic cell controller, and electrokinetic cell controller power on/off device, it is easy to make downthrust osculating element turn on because of collision at vehicle collisions, and trigger electrokinetic cell controller power on/off device to causing electrokinetic cell controller power-off, and then control the output disconnection of electrokinetic cell high-tension electricity, the high pressure protector simple in construction of electrokinetic cell, with low cost, reliability and durability, power-off protection is accurate, arrangement flexibly and is protected with strong points, additionally will not the power-off protection of trigger erroneous.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the high pressure protector of the electrokinetic cell of first embodiment of the present utility model.
Fig. 2 is the structural representation of downthrust contact group.
Fig. 3 is the circuit diagram of the high pressure protector of the electrokinetic cell of the second embodiment of the present utility model.
Fig. 4 is the circuit diagram of the high pressure protector of the electrokinetic cell of the 3rd embodiment of the present utility model.
Detailed description of the invention
For further setting forth that this utility model is reach technological means and effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention of the present utility model, structure, feature and effect thereof, describe in detail as after.
Fig. 1 is the circuit diagram of the high pressure protector of the electrokinetic cell of first embodiment of the present utility model, and Fig. 2 is the structural representation of downthrust contact group. Referring to Fig. 1 to Fig. 2, the high pressure protector 10 of the electrokinetic cell that first embodiment of the present utility model provides includes power supply 11, downthrust osculating element 12, electrokinetic cell controller 13 and electrokinetic cell controller power on/off device. Downthrust osculating element 12 and electrokinetic cell controller 13 are connected in series the loop of formation after being connected in parallel again with power supply 11, and electrokinetic cell controller power on/off device accesses in loop.
Power supply 11 is connected in series in loop, and it is used for as loop power supply. Power supply 11 is low-tension supply, and the voltage of power supply 11 is lower than 36V, and it is relative to human-body safety.
Downthrust osculating element 12 includes at least one downthrust contact group 122, if downthrust contact group 122 is for, time multiple, being connected in parallel between multiple downthrust contact groups 122, each downthrust contact group 122 forms by two conductors not connected 1222, downthrust contact group 122 forms a breakpoint when accessing circuit, downthrust contact group 122 is arranged in the surrounding of electrokinetic cell 24 and along being likely to because collision produces the direction arrangement of extruding, occurs two conductors 1222 of downthrust contact group 122 during extruding will be easy to come in contact and turn on. Conductor 1222 (downthrust contact group 122) can adopt metal material, alloy material or other conductor materials to make, and the shape of conductor 1222 can be board-like, chip, frame, net like or other shapes.
Whether the energising of electrokinetic cell controller 13 and power-off export for the high-tension electricity controlling electrokinetic cell 20.
In the present embodiment, electrokinetic cell controller power on/off device is relay 14, relay 14 includes control portion 142 and contact portion 144, control portion 142 is solenoid or the solenoid inserting iron core, contact portion 144 includes stationary contact 145 and movable contact 146, and contact portion 144 effect is effectively equivalent to electromagnetic switch.
The contact portion 144 of relay 14 is connected with electrokinetic cell controller 13, and connect with downthrust osculating element 12 in the control portion 142 of relay 14, and the latter two are in parallel, are finally connected with power supply 11 again, forms loop. Namely contact portion 144 is closely series at the parallel branch of electrokinetic cell controller 13, and control portion 142 is series at the parallel branch of downthrust osculating element 12.
In the present embodiment, relay 14 is normally closed type. Specifically, when automobile does not collide, movable contact 146 and the stationary contact 145 of contact portion 144 close, electrokinetic cell controller 13 is in "on" position, the high-tension electricity output of electrokinetic cell 20 is opened, owing to hitting extruding osculating element 12 for open circuit, control portion 142 power-off of relay 14; When colliding, at least one downthrust contact group 122 of downthrust osculating element 12 makes two conductors 1222 of this downthrust contact group 122 turn on because of collision, control portion 142 is energized, and control movable contact 146 and disconnect with stationary contact 145, electrokinetic cell controller 13 power-off, the high-tension electricity output of electrokinetic cell 20 is closed. Being appreciated that in other embodiments, relay 14 is also open in usual, but the control of electrokinetic cell 20 is needed oppositely arranged by electrokinetic cell controller 13.
Fig. 3 is the circuit diagram of the high pressure protector of the electrokinetic cell of the second embodiment of the present utility model; refer to Fig. 3; the high pressure protector 10 ' of the electrokinetic cell that the second embodiment of the present utility model provides is distinctive in that with previous embodiment: in the present embodiment; electrokinetic cell controller power on/off device is electric fuse 15, but not relay 14. Downthrust osculating element 12 and electrokinetic cell controller 13 are connected in parallel, and are then sequentially connected in series with power supply 11, electric fuse 15, the loop of formation again. Namely electric fuse 15 and power supply 11 are connected in series in loop.
When automobile does not collide, electrokinetic cell controller 13 is in "on" position, and the high-tension electricity output of electrokinetic cell 20 is opened; If during collision scenario, at least one downthrust contact group 122 of downthrust osculating element 12 makes two conductors 1222 of this downthrust contact group 122 turn on because of collision, make power supply 11 short circuit, in loop, electric current moment raises, electric fuse 15 fuses, loop power-off, electrokinetic cell controller 13 power-off, the high-tension electricity output of electrokinetic cell 20 is closed.
Fig. 4 is the circuit diagram of the high pressure protector of the electrokinetic cell of the 3rd embodiment of the present utility model; refer to Fig. 4; the high pressure protector 10 of the electrokinetic cell that the 3rd embodiment of the present utility model provides " it is distinctive in that with previous embodiment: in the present embodiment, electrokinetic cell controller power on/off device is electric fuse 15 and the second relay 16.
Second relay 16 includes control portion 162 and contact portion 164, and control portion 162 is solenoid or the solenoid inserting iron core, and contact portion 164 includes stationary contact 165 and movable contact 166, and contact portion 164 effect is effectively equivalent to electromagnetic switch. The contact portion 164 of the second relay 16 is connected with electrokinetic cell controller 13, then in parallel respectively with the control portion 162 of the second relay 16 and downthrust osculating element 12 again, is finally sequentially connected in series with power supply 11, electric fuse 15, the loop of formation again. Namely contact portion 164 is series at the parallel branch of downthrust osculating element 12, and control portion 162 and downthrust osculating element 12 are connected in parallel.
When automobile does not collide, stationary contact 165 and the movable contact 166 of the contact portion 164 of the second relay 16 close, and electrokinetic cell controller 13 is in "on" position, and the high-tension electricity output of electrokinetic cell 20 is opened; When collision scenario, at least one downthrust contact group 122 of downthrust osculating element 12 makes two conductors 1222 of this downthrust contact group 122 turn on because of collision, make power supply 11 short circuit, in loop, electric current moment raises, electric fuse 15 fuses, loop power-off, and control portion 162 power-off therewith also controls stationary contact 165 and movable contact 166 disconnects, electrokinetic cell controller 13 power-off, the high-tension electricity output of electrokinetic cell 20 is closed.
This utility model also provides for a kind of vehicle, including the high pressure protector 10,10 ', 10 of above-mentioned electrokinetic cell ". The high pressure protector 10,10 ', 10 of electrokinetic cell ", for when a vehicle is in a collision, the high-tension electricity disconnecting electrokinetic cell 20 exports the safety to guarantee vehicle.
The technical scheme of this utility model embodiment has the benefit that the high pressure protector 10 of above-mentioned electrokinetic cell, 10 ', 10 ", owing to including downthrust osculating element 12, electrokinetic cell controller 13, and electrokinetic cell controller power on/off device, it is easy to make downthrust osculating element 12 turn on because of collision at vehicle collisions, and trigger electrokinetic cell controller power on/off device to causing electrokinetic cell controller 13 power-off, and then control the output disconnection of electrokinetic cell 20 high-tension electricity, the high pressure protector 10 of electrokinetic cell, 10 ', 10 " simple in construction, with low cost, reliability and durability, power-off protection is accurate, arrangement flexibly and is protected with strong points, additionally will not the power-off protection of trigger erroneous.
In this utility model, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, except comprising those listed key elements, but also can comprise other key elements being not expressly set out.
In this utility model, the involved noun of locality such as forward and backward, upper and lower is to be arranged in figure with parts in accompanying drawing and parts position each other defines, and is intended merely to the clear and convenient of expression technology scheme. Should be appreciated that the use of the described noun of locality should not limit the scope that the application is claimed.
When not conflicting, in this utility model, the feature in above-described embodiment and embodiment can be combined with each other.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. the high pressure protector (10 of an electrokinetic cell, 10 ', 10 "), it is characterized in that: the high pressure protector (10) of described electrokinetic cell includes power supply (11), the downthrust osculating element (12) of power-off, electrokinetic cell controller (13), and electrokinetic cell controller power on/off device, described downthrust osculating element (12) and described electrokinetic cell controller (13) are connected in series the loop of formation with described power supply (11) after being connected in parallel again, described electrokinetic cell controller power on/off device accesses in described loop, when colliding, described downthrust osculating element (12) turns on because of collision, trigger described electrokinetic cell controller power on/off device to the power-off of described electrokinetic cell controller (13), and then control the disconnection of electrokinetic cell (20) High voltage output.
2. the high pressure protector (10 of electrokinetic cell as claimed in claim 1, 10 ', 10 "), it is characterized in that: described downthrust osculating element (12) includes at least one downthrust contact group (122), it is connected in parallel between at least one described downthrust contact group (122), described downthrust contact group (122) is made up of two conductors not connected (1222), described downthrust contact group (122) forms a breakpoint when accessing described loop, described downthrust contact group (122) is arranged in the surrounding of described electrokinetic cell (20) and along being likely to because collision produces the direction arrangement of extruding.
3. the high pressure protector (10,10 ', 10 ") of electrokinetic cell as claimed in claim 2, it is characterised in that: described conductor (1222) can be board-like, chip, frame, net like or other shapes.
4. the high pressure protector (10) of electrokinetic cell as claimed in claim 2, it is characterized in that: described electrokinetic cell controller power on/off device is relay (14), described relay (14) includes control portion (142) and contact portion (144), described contact portion (144) is closely series at the parallel branch of described electrokinetic cell controller (13), and described control portion (142) is series at the parallel branch of described downthrust osculating element (12); When colliding, at least one described downthrust contact group (122) of described downthrust osculating element (12) makes two described conductor (1222) conductings of described downthrust contact group (122) because of collision, described control portion (142) is energized, described contact portion (144) disconnects, the power-off of described electrokinetic cell controller (13), the high-tension electricity output of described electrokinetic cell (20) is closed.
5. the high pressure protector (10) of electrokinetic cell as claimed in claim 4, it is characterised in that: described relay (14) is normal closing type relay.
6. the high pressure protector (10) of electrokinetic cell as claimed in claim 4, it is characterised in that: described contact portion (144) includes stationary contact (145) and movable contact (146).
7. the high pressure protector (10) of electrokinetic cell as claimed in claim 4, it is characterised in that: described control portion (142) is solenoid or the solenoid inserting iron core.
8. the high pressure protector (10 ') of electrokinetic cell as claimed in claim 2, it is characterized in that: described electrokinetic cell controller power on/off device is electric fuse (15), described electric fuse (15) and described power supply (11) are connected in series in described loop; When colliding, at least one described downthrust contact group (122) of described downthrust osculating element (12) makes two described conductor (1222) conductings of described downthrust contact group (122) because of collision, described power supply (11) short circuit, described electric fuse (15) fuses, the power-off of described loop, the power-off of described electrokinetic cell controller (13), the high-tension electricity output of described electrokinetic cell (20) is closed.
9. the high pressure protector (10 ") of electrokinetic cell as claimed in claim 8; it is characterized in that: described electrokinetic cell controller power on/off device also includes the second relay (16); described second relay (16) includes control portion (162) and contact portion (164); described contact portion (164) is series at the parallel branch of described downthrust osculating element (12), described control portion (162) and described downthrust osculating element (12) and is connected in parallel; When colliding, at least one described downthrust contact group (122) of described downthrust osculating element (12) makes two described conductor (1222) conductings of described downthrust contact group (122) because of collision, described power supply (11) short circuit, described electric fuse (15) fuses, the power-off of described loop, the power-off therewith of described control portion (162) also controls described contact portion (164) disconnection, the power-off of described electrokinetic cell controller (13), the high-tension electricity output of described electrokinetic cell (20) is closed.
10. a vehicle, it is characterised in that: described vehicle includes the high pressure protector (10,10 ', 10 ") of the electrokinetic cell as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087509.0U CN205273360U (en) | 2015-12-22 | 2015-12-22 | Power battery's high pressure protection device and have its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521087509.0U CN205273360U (en) | 2015-12-22 | 2015-12-22 | Power battery's high pressure protection device and have its vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205273360U true CN205273360U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521087509.0U Expired - Fee Related CN205273360U (en) | 2015-12-22 | 2015-12-22 | Power battery's high pressure protection device and have its vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205273360U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070756A (en) * | 2016-07-18 | 2018-12-21 | 宝马股份公司 | High-voltage battery system including safety device |
-
2015
- 2015-12-22 CN CN201521087509.0U patent/CN205273360U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070756A (en) * | 2016-07-18 | 2018-12-21 | 宝马股份公司 | High-voltage battery system including safety device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 |