CN205543141U - Power battery safety locking motion , battery and group battery - Google Patents
Power battery safety locking motion , battery and group battery Download PDFInfo
- Publication number
- CN205543141U CN205543141U CN201620177558.1U CN201620177558U CN205543141U CN 205543141 U CN205543141 U CN 205543141U CN 201620177558 U CN201620177558 U CN 201620177558U CN 205543141 U CN205543141 U CN 205543141U
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- CN
- China
- Prior art keywords
- gas generator
- battery
- reversal film
- safety locking
- locking motion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a power battery safety locking motion, including a voltage testing, a some firearm, a gas generator, a reversal film, its characterized in that: voltage testing is connected with the some firearm, and during the some fire end of some firearm stretched into gas generator, the reversal film setting was on gas generator or set up on the battery is lapped, voltage testing and gas generator set up the space between anodal post of battery and battery apron, the concave surface of front for moving towards anodal post of reversal film. The utility model discloses built -in to the battery inside with voltage testing, as to be favorable to improving voltage detecting sensitivity prevents moreover that safeties from damaging because of external force, the gas generator that has integrateed on voltage testing more swiftly drives the reversal film and reverses and make the battery short circuit, integrated reversal film makes the reversal of reversal film rapider on gas generator.
Description
Technical field
This utility model relates to the device of a kind of electrokinetic cell, a kind of electrokinetic cell safety locking motion and apply the battery of this device, set of cells.
Background technology
Low-carbon economy is the development trend of global economy, and ev industry is as the mainstay of low-carbon economy, and its potentiality are inestimable.Future 10 years is Chinese Auto Industry is driven, by fossil fuel, the critical period changed to driven by power power assembly, is major opportunity phase of facing of native country driven by power power assembly supplier.Dynamic lithium battery is the core component of driven by power power assembly, and its cost accounts for the 50%-70% of power assembly cost, and dynamic lithium battery industry faces significant development opportunity during Chinese Auto Industry makes the transition.
But dynamic lithium battery is as the core component of driven by power assembly, in use there is also many defects, during the set of cells life-time service that the lithium battery being such as serially connected by several forms, if there are abnormal conditions in certain battery, degradation, its output voltage exceeds allowed band, whole set of cells can be caused overcharge occur, over-discharge situation, make the minimizing in service life of whole set of cells, change without on-call maintenance, also result in battery and smolder, catch fire, even explode.Therefore, improve battery safety to be even more important.
Summary of the invention
For the deficiencies in the prior art; this utility model provides a kind of electrokinetic cell safety locking motion, battery and set of cells; apply this device; when in the set of cells that the lithium battery being serially connected by several forms, mutation occurs in some battery, this cell output voltage exceeds allowed band, and the safety in battery detect this electric voltage exception; meeting trigger protection function; make this battery short circuit, it is achieved mutation battery oneself shields, prevent abnormal battery from whole set of cells being impacted.
The technical solution of the utility model is: a kind of electrokinetic cell safety locking motion, including a voltage detection module, lighter, gas generator, a reversal film, it is characterized in that: described voltage detection module is connected with lighter, the firing tip of lighter extend in gas generator, and reversal film is arranged in gas generator or is arranged on battery cover board；Described voltage detection module and gas generator are arranged on the space between anode post and battery cover board, and the front of described reversal film is the concave surface towards positive terminal.
Further, described reversal film is arranged in gas generator, and gas generator forms closed space with reversal film.
Further, described reversal film is arranged on battery cover board, is provided with the one-way exhaust pipe of connection gas generator and battery compartment below gas generator.
Further, described reversal film is the tablet of metal.
Further, described face, reversal film front can connect metal thimble, described metal roof pin is cylindrically shaped, prismatic, taper or irregularly shaped.
Further, described gas generator is metal shell, and housing includes aerogenesis medicated bag, produces medicine gas bag and is connected with the firing tip of lighter.
This utility model also provides for a kind of dynamic lithium battery, it is characterised in that: described dynamic lithium battery includes that described electrokinetic cell safety locking motion is arranged.
This utility model also provides for a kind of dynamic lithium battery group, it is characterised in that: it is sequentially connected in series by some described dynamic lithium batteries.
The beneficial effects of the utility model are: voltage detection module is built into inside battery, are conducive to improving the sensitivity of voltage detecting, and prevent safety from damaging because of external force；Being integrated with gas generator in voltage detection module, driver inversion sheet reversion more quickly makes battery short circuit；Integrated reversal film in gas generator, passes through with gas generator compared with compressing electrolyte and then the reversion of driver inversion sheet, effectively reduces electrolyte snubber effect, and the reversion making reversal film is more rapid, and the volume of aerogenesis medicated bag is less, reduces cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of electrokinetic cell safety locking motion embodiment 1 of the present utility model；
Fig. 2 is the structural representation of electrokinetic cell safety locking motion embodiment 2 of the present utility model；
In figure, 1-voltage detection module, 2-lighter, 3-gas generator, 31-generator body, 32-aerogenesis medicated bag, 33-one-way exhaust pipe, 4-reversal film, 5-positive terminal, 51-positive pole cap, 52-positive pole cylinder, 6-battery cover board, 8-metal thimble, 9-dead ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
As shown in Figure 1, 2, a kind of electrokinetic cell safety locking motion, including 1, lighter of a voltage detection module, 3, reversal film 4 of 2, gas generator, described voltage detection module 1 is connected with lighter 2, the firing tip of lighter 2 extend in gas generator 3, and reversal film 4 is arranged in gas generator 3 or is arranged on battery cover board 6；Described voltage detection module 1 and gas generator 3 are arranged on the space between anode post 5 and battery cover board 6, and the front of described reversal film 4 is the concave surface towards positive terminal 5.
One embodiment of this programme is that described reversal film 4 is arranged in gas generator 3, and gas generator 3 and reversal film 4 form closed space.Another embodiment of this programme is that described reversal film 4 is arranged on battery cover board 6, is provided with the one-way exhaust pipe 33 of connection gas generator 3 and battery compartment below gas generator 3.
Voltage detection module is built into inside battery by this programme, is conducive to improving the sensitivity of voltage detecting, and prevents safety from damaging because of external force；Being integrated with gas generator 3 in voltage detection module 1, driver inversion sheet 4 reversion more quickly makes battery short circuit；Integrated reversal film 4 in gas generator 3, passing through with gas generator 3 compared with compressing electrolyte and then driver inversion sheet 4 reversion, effectively reduce electrolyte snubber effect, the reversion making reversal film 4 is rapider, the volume of aerogenesis medicated bag 32 is less, reduces cost.
Described reversal film 4 is the tablet of metal.
Can connect metal thimble 8 on described face, reversal film 4 front, described metal thimble 8 is cylindrically shaped, prismatic, taper or irregularly shaped.
Described gas generator 3 is metal shell, and housing includes aerogenesis medicated bag 32, produces medicine gas bag 32 and is connected with the firing tip of lighter 2.
This programme also provides for a kind of dynamic lithium battery, and described dynamic lithium battery includes that described electrokinetic cell safety locking motion is arranged.
This programme also provides for a kind of dynamic lithium battery group, some described dynamic lithium batteries be sequentially connected in series.
Embodiment 1:
As it is shown in figure 1, the cell safety safety in the present embodiment include voltage detection module 1, lighter 2, gas generator 3 and reversal film 4.Being provided with detection module circuit board in described voltage detection module 1, described positive terminal 5 includes that positive pole cylinder 52 and positive pole cap 51, voltage detection module 1 are connected with the positive pole cap 51 of positive terminal 5.Described lighter 2 connection detection module circuit board, voltage detection module 1 is connected with the generator body 31 of gas generator 3.Described gas generator 3 includes the aerogenesis medicated bag 32 in generator body 31 that a upper and lower surface comprises aperture and generator body 31.The generator body 31 of described gas generator 3 is connected with voltage detection module 1 above, and bottom surface is connected with battery cover board 6, and side connects 9 with dead ring and abuts, and described dead ring 9 connects positive terminal 5 and battery cover board 6.The aperture plastic seal of described generator body 31 bottom surface and with the apertures align on battery cover board 6.The firing tip of described lighter 2 puts in housing by the aperture of described case top and contacts with aerogenesis medicated bag 32.Described reversal film 4 is flake aluminum, is connected on battery cover board 6 by laser welding, if needing to strengthen turn-on effect, solderable metal thimble 8 on reversal film.
When voltage detection module 1 detects the exception of cell voltage, signal is passed to detection module circuit board, detection module circuit board output unidirectional current shot point firearm 2, light the aerogenesis medicated bag 32 in gas generator 3, aerogenesis medicated bag 32 produces gas and breaks through bottom generator body 31 and the aperture entrance inside battery of battery cover board 6, the battery fluid pressure of inside battery makes reversal film 4 invert, connection positive terminal 5 and battery cover board 6, it is better than battery cover board 6 to be connected with negative pole, now battery short circuit, stops this exception battery to impact whole set of cells.
Embodiment 2:
As in figure 2 it is shown, the cell safety safety in the present embodiment include voltage detection module 1, lighter 2, gas generator 3 and reversal film 4.Described voltage detection module 1 comprises detection module circuit board, and is connected with positive terminal 5 and battery cover board 6.Described lighter 2 connection detection module circuit board.Aerogenesis medicated bag 32 and reversal film 4 in generator body 31 that described gas generator 3 is comprised aperture by a side and generator body 31 form.Generator body 31 top of described gas generator 3 is metal reversal film 4, and be close to by the positive pole cap 51 of seal washer 7 with positive terminal 5, bottom surface is connected with battery cover board 6, and side connects 9 with dead ring and abuts, and described dead ring 9 connects positive terminal 5 and battery cover board 6.In the firing tip of described lighter 2 puts in housing by the aperture of described generator body 31 side and contact with aerogenesis medicated bag 32.If described reversal film 4 needs to strengthen turn-on effect, solderable metal thimble 8.
When voltage detection module 1 detects the exception of cell voltage, signal is passed to detection module circuit board, detection module circuit board output unidirectional current shot point firearm 2, lighting the aerogenesis medicated bag 32 in gas generator 3, aerogenesis medicated bag 32 produces gas so that reversal film 4 inverts, connection positive terminal 5 and battery cover board 6, owing to battery cover board is connected with negative pole, now battery short circuit, stop this exception battery that whole set of cells is impacted.
The operation principle of electrokinetic cell safety locking motion: under normal circumstances, reversal film 4 is connected with battery cathode by battery cover board 6, disconnects with anode；When battery mutation, when output voltage is beyond allowed band, voltage detection module 1 detects change in voltage, signal is delivered to detection module circuit board, detection module circuit board output unidirectional current shot point firearm 2, lights the aerogenesis medicated bag 32 in gas generator 3, and aerogenesis medicated bag 32 produces gas makes reversal film 4 invert, it is also turned on the both positive and negative polarity of battery, makes battery short circuit.
Described in above-described embodiment and description, principle of the present utility model and most preferred embodiment are simply described; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.
Claims (8)
1. an electrokinetic cell safety locking motion, including a voltage detection module, lighter, gas generator, a reversal film, it is characterized in that: described voltage detection module is connected with lighter, the firing tip of lighter extend in gas generator, and reversal film is arranged in gas generator or is arranged on battery cover board；Described voltage detection module and gas generator are arranged on the space between anode post and battery cover board, and the front of described reversal film is the concave surface towards positive terminal.
Electrokinetic cell safety locking motion the most according to claim 1, it is characterised in that: described reversal film is arranged in gas generator, and gas generator forms closed space with reversal film.
Electrokinetic cell safety locking motion the most according to claim 1, it is characterised in that: described reversal film is arranged on battery cover board, is provided with the one-way exhaust pipe of connection gas generator and battery compartment below gas generator.
Electrokinetic cell safety locking motion the most according to claim 1, it is characterised in that: described reversal film is the tablet of metal.
Electrokinetic cell safety locking motion the most according to claim 1, it is characterised in that: can connect metal thimble on described face, reversal film front, described metal roof pin is cylindrically shaped, prismatic, taper or irregularly shaped.
Electrokinetic cell safety locking motion the most according to claim 1, it is characterised in that: described gas generator is metal shell, and housing includes aerogenesis medicated bag, produces medicine gas bag and is connected with the firing tip of lighter.
7. a dynamic lithium battery, it is characterised in that: described dynamic lithium battery includes that the electrokinetic cell safety locking motion described in claim 1-6 is arranged.
8. a dynamic lithium battery group, it is characterised in that: it is sequentially connected in series by the dynamic lithium battery described in some claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620177558.1U CN205543141U (en) | 2016-03-09 | 2016-03-09 | Power battery safety locking motion , battery and group battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620177558.1U CN205543141U (en) | 2016-03-09 | 2016-03-09 | Power battery safety locking motion , battery and group battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205543141U true CN205543141U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620177558.1U Expired - Fee Related CN205543141U (en) | 2016-03-09 | 2016-03-09 | Power battery safety locking motion , battery and group battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205543141U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018177137A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Battery cover assembly, single-cell battery, battery module, power battery pack, and electric vehicle |
| CN108666461A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
| CN108666458A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
-
2016
- 2016-03-09 CN CN201620177558.1U patent/CN205543141U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018177137A1 (en) * | 2017-03-31 | 2018-10-04 | 比亚迪股份有限公司 | Battery cover assembly, single-cell battery, battery module, power battery pack, and electric vehicle |
| CN108666461A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
| CN108666458A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
| CN108666519A (en) * | 2017-03-31 | 2018-10-16 | 比亚迪股份有限公司 | Battery cover board assembly, single battery, battery modules, power battery pack and electric vehicle |
| CN108666519B (en) * | 2017-03-31 | 2020-07-10 | 比亚迪股份有限公司 | Battery cover plate assembly, single battery, battery module, power battery pack and electric automobile |
| CN108666461B (en) * | 2017-03-31 | 2020-11-20 | 比亚迪股份有限公司 | Battery cover plate assembly, single battery, battery module, power battery pack and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160831 Termination date: 20180309 |