CN205583031U - Blasting and outage protection architecture of battery - Google Patents
Blasting and outage protection architecture of battery Download PDFInfo
- Publication number
- CN205583031U CN205583031U CN201620230376.6U CN201620230376U CN205583031U CN 205583031 U CN205583031 U CN 205583031U CN 201620230376 U CN201620230376 U CN 201620230376U CN 205583031 U CN205583031 U CN 205583031U
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- Prior art keywords
- battery
- rupture disk
- cover plate
- pole piece
- explosion
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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
-
- 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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- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a technical field of battery discloses blasting and outage protection architecture of battery, including apron, first pole piece, second pole piece and protection architecture, first pole piece and second pole piece correspond positive pole and negative pole electric connection with electric core respectively, are equipped with first through -hole and second through -hole on the apron, first pole piece butt is at the upper surface of apron, and second pole piece and second through -hole are just to arranging, and insulation cloth puts between the apron, the protection architecture package rubbing board body, rupture disk and pressurized overturn with the upset piece of butt on the second pole piece up, integrated into one piece between plate body, rupture disk and the upset piece, the plate body butt is at the lower surface of apron. Through the effect of upset piece, when gas pressure when the battery in was too big, the realization power -off protection utilized the blasting of rupture disk, avoided the battery to explode, plate body, rupture disk and upset piece are integrated into one piece, practice thrift manufacturing cost greatly, simplify the structure greatly, and assembling process are simple and convenient and convenient, simplify the structure of battery.
Description
Technical field
This utility model relates to the technical field of battery, particularly relates to explosion and the power-off protection structure of battery.
Background technology
At present, along with miniaturization day by day, lighting and the Portable belt of electronic product, such as video camera, notes
Basis and mobile phone etc., the driving power supply of these electronic products is also towards high power capacity, high security and lighting
Direction develop, lithium battery, with good characteristics such as its high power capacity, is used in electronic product widely.
Lithium battery includes housing, cover plate and battery core etc., and wherein battery core is placed in the inside of housing, housing upper
End has upper end open, and cover plate is then enclosed in the opening of the upper end of housing, then by forming electricity on the cover board
Extreme son, then can be electrically connected with lithium battery with outside electronic component, it is achieved power supply.
Battery core as the power storage element of lithium battery, lithium battery in use, can because the factor such as charger, with
And along with lithium battery interior chemical reaction, enclosure interior can produce abnormal gas, in causing the housing of lithium battery
Portion's pressure is excessive, if the internal pressure kept of housing increases, then the internal pressure that can cause lithium battery is excessive,
Thus there is lithium battery explosion accident, the most then damage electronic product, heavy then injure user.
In prior art, when the internal pressure of lithium battery is excessive, in order to prevent lithium battery from exploding, need by
Pressure in the housing of battery leaks, and current explosion-proof method is to arrange rupture disk on the cover plate of lithium battery, when
When the internal pressure of lithium battery is excessive, leaked pressure by rupture disk explosion.It addition, when the inside of lithium battery
When pressure persistently increases, in order to prevent the direct explosion of lithium battery, the cover plate of lithium battery is provided with rotating sheet,
When the internal pressure of lithium battery exceedes certain value, rotating sheet then can overturn upward so that the positive pole of lithium battery
And between negative pole short circuit, lithium battery quits work, thus the internal pressure of lithium battery also will not along with increase,
If the effect of rotating sheet was lost efficacy, the pressure of lithium battery interior persistently increases, and after arrival certain value, then can
By rupture disk explosion.
In existing lithium battery, explosion and the power-off protection structure of battery all can be set, the most on the cover board
Rupture disk and rotating sheet will be set simultaneously, but, rupture disk and rotating sheet are independently to process, and point
Open and be independently arranged, so, not only increase manufacturing cost, and assembling process complexity is loaded down with trivial details, causes whole battery
Structure complicated.
Utility model content
The purpose of this utility model is to provide explosion and the power-off protection structure of battery, it is intended to solve existing skill
In the explosion of the battery of art and power-off protection structure, rupture disk and rotating sheet are independently processed and are independently arranged,
There is the problem that manufacturing cost is high, assembling process is complicated loaded down with trivial details and battery structure is complicated.
This utility model is achieved in that explosion and the power-off protection structure of battery, is arranged on the shell of battery
The upper end open of body, including cover plate, the first pole piece, the second pole piece and protection structure, described first pole piece
And second pole piece respectively corresponding positive pole with battery core and negative pole be electrically connected with, described cover plate is provided with the first through hole
And second through hole；Described first pole piece is connected to the upper surface of described cover plate, and described second pole piece is placed in described
The top of cover plate, with described second through hole just to layout, and insulate between described second pole piece and described cover plate
Arrange；
Described protection structure includes that plate body, rupture disk and pressurized overturn to be connected on the second pole piece upward
Rotating sheet, one-body molded between described plate body, rupture disk and rotating sheet；Described plate body is connected to described cover plate
Lower surface, and described rupture disk and described first through hole are just to layout, and described rotating sheet leads to described second
Hole is just to layout.
Further, described plate body being formed with blast hole and tumble port, described blast hole is alternate with tumble port
Every layout, described rupture disk is placed in described blast hole, and closes described blast hole, and described rotating sheet is placed in
In described tumble port, and close described tumble port.
Further, described rupture disk is arranged on the top of described blast hole, and the upper surface of described rupture disk
Setting concordant with the upper surface of described plate body.
Further, the middle part of described rotating sheet is the most projecting, ledge in the middle part of formation, and described
The upper end of the middle part ledge of rotating sheet is provided with the abutting post for abutting described second pole piece.
Further, the periphery of described rotating sheet is connected on the sidewall of described tumble port, and described rotating sheet
Sidewall be downwardly inclined layout, form sloped sidewall, described sloped sidewall meets at described middle part ledge.
Further, described middle part ledge is that horizontal tabular is arranged.
Further, described cover plate be arranged over protective plate, described upper protective plate and described rupture disk it
Between just to interval arrange, described upper protective plate is connected by upper attachment structure with the upper surface of described cover plate；Institute
State attachment structure and include that multiple upper connection strap, multiple described upper connection straps are distributed in described rupture disk separately
Periphery, the lower end of described upper connection strap is connected to the upper surface of described cover plate, the upper end of described upper connection strap
It is connected with described upper protective plate, and is formed with bleeder port between adjacent described upper connection strap.
Further, the lower section of described cover plate is provided with lower protective plate, and described lower protective plate is with described rupture disk just
Interval is arranged, is connected by lower attachment structure between described lower protective plate and the lower surface of described cover plate；Institute
State lower attachment structure and include that multiple lower connection strap, multiple described lower connection straps are distributed in described rupture disk separately
Periphery, and be formed with lower air inlet between adjacent described lower connection strap.
Further, interval is just arranged by described lower protective plate and described rotating sheet, multiple described lower connection straps
It is distributed in the periphery of described rupture disk and rotating sheet entire scope separately.
Further, the lateral wall of described cover plate is formed with down little big ledge structure, described ledge structure
The step surface being connected to housing upper surface it is formed with in the periphery of described cover plate, and described ledge structure.
Compared with prior art, the explosion of the battery that this utility model provides and power-off protection structure, by turning over
The effect of rotor, when the gas pressure in battery is excessive, so that battery runs down, it is achieved power-off protection,
Utilize the explosion of rupture disk, the pressure in battery can be leaked, it is to avoid battery explosion；Rupture disk and upset
Sheet is molded on plate body, and plate body, rupture disk and rotating sheet are integrated, so, then need not point
Open independent manufacture molding rupture disk and rotating sheet, be greatly saved manufacturing cost, and be assembled to the cover plate of battery
During on, disposable assembling then can, be greatly simplified structure, and assembling process be simple and convenient and convenient,
Simplify the structure of battery.
Accompanying drawing explanation
Fig. 1 is explosion and the cutting signal of power-off protection structure of the battery that this utility model embodiment provides
Figure；
Fig. 2 is that the solid of integrated formed structure of the rupture disk that provides of this utility model embodiment and rotating sheet is shown
It is intended to one；
Fig. 3 is that the solid of integrated formed structure of the rupture disk that provides of this utility model embodiment and rotating sheet is shown
It is intended to two；
Fig. 4 is the enlarged diagram at the A in Fig. 1；
Fig. 5 is the enlarged diagram at the B in Fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, this utility model is further elaborated.Should be appreciated that described herein specifically
Embodiment, only in order to explain this utility model, is not used to limit this utility model.
Below in conjunction with specific embodiment, realization of the present utility model is described in detail.
With reference to shown in Fig. 1～5, for a preferred embodiment of this utility model offer.
The explosion of the battery that the present embodiment provides and power-off protection structure, be used in lithium battery, certainly, and its
Utilization is not limited to lithium battery, it is also possible to be in other various batteries, as rechargeable battery etc..
The explosion of battery and power-off protection structure include cover plate the 101, first pole the 115, second pole 114
And protection structure, wherein, cover plate 101 is sealed on the upper end open of housing, thus forms housing and close；
First pole 115 and the second pole 114 extend through cover plate 101, and extend to the upper table of cover plate 101
Face, and the first pole 115 and the second pole 114 respectively with in housing battery core be electrically connected with, thus, make
The first pole 115 and the second pole 114 are correspondingly formed positive pole and negative pole respectively, outside element by with
First pole 115 and the second pole 114 are electrically connected with, thus realize the electric connection with battery.
Cover plate 101 is provided with the first through hole and the second through hole arranged separately, this first through hole and second
Through hole extends through upper surface and the lower surface of cover plate 101.
Protection structure includes plate body 105, rupture disk 103 and rotating sheet 102, wherein, plate body 105, quick-fried
Fragmentation 103 and rotating sheet 102 are formed in one, plate body 105 in the form of sheets, rupture disk 103 and rotating sheet
102 are separately positioned on plate body 105, and arrange separately.
In actual use, plate body 105 is connected to the lower surface of cover plate 101, so, plate body 105, quick-fried
Fragmentation 103 and rotating sheet 102 are the most all electrically connected with cover plate 101, and plate body 105 has covered cover plate 101
On the first through hole and the second through hole, specifically, rupture disk 103 and the first through hole are just to layout, rotating sheet
102 and second through hole just to layout.
The first pole piece 116 and the second pole piece 113, above-mentioned first it is respectively equipped with above cover plate 101
Pole 115 is through the first pole piece 116, and the first pole piece 116 abuts the upper surface of cover plate 101, thus,
Also the first pole 115 is made to be electrically connected with cover plate 101；Second pole piece 113 is arranged on the upper of cover plate 101
Side, and and cover plate 101 between insulation arrangement, and the second pole piece 113 is placed in the top of the second through hole, capping
The upper end of the second through hole.
In the present embodiment, the first pole 115 connects the positive pole of battery core, and the second pole 114 then connects battery core
Negative pole, so, the first pole piece 116, cover plate 101, plate body 105, rupture disk 103 and rotating sheet 102
The most corresponding positive pole being electrically connected with battery core, in positive pole state.
In actual use, when the pressure in battery increases, namely the pressure in housing increases, first,
When pressure is more than certain value, generally, the setting value of pressure is 0.5MPa, and rotating sheet 102 then can
Overturn upward, namely turn over upward along the second through hole so that rotating sheet 102 is connected to the second pole piece 113
On, owing to rotating sheet 102 is in positive pole state, the second pole piece 113 in negative pole shape, the positive pole of battery core and negative pole
Then can be short-circuit so that battery quits work, it is to avoid the pressure in housing continues to increase；When rotating sheet 102
Effect was lost efficacy, or when the pressure in housing persistently increases, when pressure is more than certain value, generally,
The setting value of pressure is 0.8MPa, and rupture disk 103 explosion the most under the effect of the pressure, the pressure in housing is then
Can leak, to avoid whole battery explosion.
The explosion of the battery of above-mentioned offer and power-off protection structure, by the effect of rotating sheet 102, work as battery
When interior gas pressure is excessive, so that battery runs down, it is achieved power-off protection, utilize rupture disk 103
Explosion, can leak the pressure in battery, it is to avoid battery explosion；Rupture disk 103 and rotating sheet 102 become
Type is on plate body 105, and plate body 105, rupture disk 103 and rotating sheet 102 are integrated, so,
Then need not separately independent manufacture molding rupture disk 103 and rotating sheet 102, be greatly saved manufacturing cost, and
During on the cover plate 101 be assembled to battery, disposable assembling then can, be greatly simplified structure, and dress
Join process simple and convenient and convenient, simplify the structure of battery.
In the present embodiment, plate body 105 is formed with blast hole and tumble port, blast hole and tumble port alternate
Every layout, rupture disk 103 is arranged in blast hole, and encloses blast hole, and rotating sheet 102 is arranged on and turns over
Turn in hole, and enclose tumble port.By rupture disk 103 and rotating sheet 102 are correspondingly arranged at quick-fried respectively
In holes and tumble port, when the pressure in housing increases, the beneficially air pressure in housing is concentrated and is made
It is used on rupture disk 103 and rotating sheet 102, is greatly enhanced the reaction spirit of rupture disk 103 and rotating sheet 102
Sensitivity and precision.
Specifically, blast hole and rupture disk 103 are in ellipticity, and certainly, blast hole and rupture disk 103 also may be used
With in other various shapes, such as toroidal, or different form etc..Quick for the ease of rupture disk 103
Explosion, rupture disk 103 is carved and is provided with groove trace, and groove trace can in a variety of shapes be arranged.
Rupture disk 103 is arranged on the top of blast hole, and the upper surface of rupture disk 103 and plate body 105 is upper
Flush is arranged, and so, lower end perforate is then formed at the top of blast hole, and with rupture disk 103 as bottom
Explosion recess hole, when in housing pressure increase time, air pressure can be concentrated through explosion recess hole
Lower ending opening acts on rupture disk 103.
In the present embodiment, the middle part of rotating sheet 102 is the most projecting, ledge in the middle part of formation, and turns over
The upper end of the middle part ledge of rotor 102 is provided with abutting post 106, so, when the pressure in housing increases
Time greatly to certain value, air pressure acts on whole rotating sheet 102, and rotating sheet 102 arches upward upward, makes
Must abut post 106 to be connected on the second pole piece 113, rotating sheet 102 is connected with the second pole piece 113, it is achieved
The positive pole of battery and negative pole short circuit.
Specifically, the periphery of rotating sheet 102 is connected on the sidewall of tumble port, and the sidewall of rotating sheet 102
Being downwardly inclined setting, form sloped sidewall, sloped sidewall meets at middle part ledge, so, at air
Pressure under, beneficially rotating sheet 102 overturns upward.
For the ease of abutting the setting of post 106, the middle part ledge of rotating sheet 102 is that horizontal plate is arranged,
Certainly, according to actual needs, middle part ledge can also be that other various shapes are arranged.It addition, in order to
It is easy to the upset of rotating sheet 102, along the periphery of rotating sheet 102 to the direction at middle part, rotating sheet 102
Thickness is gradually increased, so, say, that rotating sheet 102 is the thinnest with the thickness of the junction of tumble port
's.
In the present embodiment, the rounded shape of tumble port, so, when rotating sheet 102 is formed in tumble port, just
Overturn down in rotating sheet 102.
In the present embodiment, so that insulation arrangement between the second pole piece 113 and cover plate 101, it is to avoid second
Pole piece 113 is directly connected on the upper surface of cover plate 101, is provided with insulating part on the upper surface of cover plate 101
104, this insulating part 104 is connected to the upper surface of cover plate 101, and the second pole piece 113 is then placed in insulating part 104
On, so that insulate between the second pole piece 113 and cover plate 101, and insulating part 104 can be wrapped in
The periphery of the second pole piece 113, thus the fixed installation of also edge the second pole piece 113.It addition, insulating part 104
Being provided with third through-hole, this third through-hole and the second through hole are just to layout, so, when rotating sheet 102 upward
During upset, it abuts post 106 then can pass the second through hole and third through-hole, is connected on the second pole piece 113.
In the present embodiment, it is arranged over protective plate 111 at cover plate 101, protective plate 111 and on this
Interval is just arranged by one through hole and rupture disk 103, say, that upper protective plate 111 and rupture disk 103 it
Between there is spacing distance.It is formed with attachment structure between upper protective plate 111 and the upper surface of cover plate 101,
So, then upper protective plate 111 can be fixedly installed on the top of rupture disk 103.
By being formed above protective plate 111, when the gas pressure in battery is excessive at rupture disk 103
Time, there is blasting phenomena in rupture disk 103, under the stop of upper protective plate 111, ruptures from rupture disk 103
The gas leaked in place then will not be the most just to leaking, it is to avoid the gas leaked damages the element of battery ambient,
And upper protective plate 111 can also stop rupture disk 103 fragment with the gas that leaks, play protective action,
The barrier propterty making battery is preferable, reduces the potential safety hazard of battery.
In the present embodiment, upper attachment structure is distributed in the periphery of rupture disk 103, so, it is simple to above connect knot
The setting of structure, and avoid attachment structure to damage rupture disk 103.It addition, in order to increase upper protective plate 111
Barrier propterty, protective plate is tabular, and its periphery extends to the periphery of rupture disk 103, say, that
The area of upper protective plate 111 is more than the area of rupture disk 103, and the explosion to whole rupture disk 103 has been played
Fully blocking effect.Certainly, as other embodiments, upper protective plate 111 can also be other shapes, no
It is limited in tabular.
In the present embodiment, upper attachment structure includes multiple upper connection strap 107, the plurality of upper connection strap 107 phase
It is distributed in the periphery of rupture disk 103, and the lower end of upper connection strap 107 is connected to the upper table of cover plate 101
Face, the upper end of upper connection strap 107 is connected to protective plate 111, and, adjacent upper connection strap 107 it
Between be formed with bleeder port 108.So, multiple upper connection straps 107 ensure upper protective plate 111 and cover plate 101
Connection, and the gas leaked is under the stop of upper protective plate 111, can upward bleeder port 108 to surrounding
Mitigation is released.
Certainly, as other embodiments, upper attachment structure not only can be limited in many with other various shapes
The structure of individual upper connection strap 107, then may be used as long as it forms multiple upper bleeder ports 108.It addition, for the ease of
Manufacturing and assembling, above-mentioned upper protective plate 111 and upper attachment structure are formed in one structure.
In the present embodiment, being provided with lower protective plate 112 in the lower section of cover plate 101, lower protective plate 112 is with quick-fried
Interval is just arranged by fragmentation 103, say, that there is interval between lower protective plate 112 and rupture disk 103
Distance.It is formed with lower attachment structure between lower protective plate 112 and the lower surface of cover plate 101, so, then may be used
Lower protective plate 112 to be fixedly installed on the lower section of rupture disk 103.When rupture disk 103 explosion of battery,
Under the stop of lower protective plate 112, the element in battery is caused damage by the gas that prevents from leaking, it is to avoid some
Rupture disk 103 fragment of explosion falls into inside battery, damages the element of inside battery.Furthermore, inside battery
When pressure increases, under the effect of lower protective plate 112, the pressure of gas can be with stepless action at rupture disk 103
On, it is to avoid the phenomenon of moment impact rupture disk 103 occurs.
In order to the most more preferably realize the protective action to rotating sheet 102, above-mentioned lower protective plate 112 is also placed in
The lower section of rotating sheet 102, and rotating sheet 102 is just to interval layout, so, at the work of lower protective plate 112
Under with, the pressure of gas can be with stepless action on rotating sheet 102, it is to avoid moment impact rotating sheet 102 occur
Phenomenon.
In the present embodiment, lower attachment structure is distributed in rupture disk 103 and the periphery of rotating sheet 102 entire scope,
So, it is simple to the setting of lower attachment structure, and avoid lower attachment structure to damage rupture disk 103 and rotating sheet 102.
It addition, for the barrier propterty increasing lower protective plate 112, lower protective plate 112 in tabular, and its
Periphery extends to rupture disk 103 and the periphery of rotating sheet 102 entire scope, say, that lower protective plate 112
Area more than rupture disk 103 and the area of rotating sheet 102 entire scope.Certainly, as other embodiments,
Lower protective plate 112 can also be other shapes, is not limited in tabular.
In the present embodiment, lower attachment structure includes multiple lower connection strap 109, the plurality of lower connection strap 109 phase
It is distributed in rupture disk 103 and the periphery of rotating sheet 102 entire scope, and the upper end of lower connection strap 109
Being connected to the lower surface of cover plate 101, the lower end of lower connection strap 109 is connected to lower protective plate 112, and,
Lower air inlet 110 it is formed with between adjacent lower connection strap 109.So, multiple lower connection straps 109 ensure
Lower protective plate 112 and the connection of cover plate 101, and gas is by lower air inlet 110, can act on upset
On sheet 102 and rupture disk 103.
Certainly, as other embodiments, lower attachment structure not only can be limited in many with other various shapes
The structure of individual lower connection strap 109, then may be used as long as it forms multiple lower air inlets 110.It addition, for the ease of
Manufacturing and assembling, above-mentioned lower protective plate 112 and lower attachment structure are formed in one structure.
In the present embodiment, the lateral wall of cover plate 101 is formed with down little big ledge structure, this ledge structure
Being looped around the periphery of cover plate 101, and be formed with step surface in ledge structure, certainly, this step surface is cincture
Arrange, and step surface is arranged down.When cover plate 101 coordinates with housing, cover plate 101 is sealed on housing
Upper end open, wherein, ledge structure is embedded in the upper end open of housing, and step surface is connected to housing
Upper surface.
During cover plate 101 is assemblied in housing, step surface plays the effect of location, it is simple to cover plate 101
Coordinate with the installation between housing, and the place that coordinates between cover plate 101 and housing arranges towards periphery, so,
Welding gun can be directly utilized weld in the outside of battery, then so that seal between cover plate 101 and housing
Close, and closure is preferable.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, all should
Within being included in protection domain of the present utility model.
Claims (10)
1. the explosion of battery and power-off protection structure, it is characterised in that the upper end of the housing being arranged on battery is opened
Mouthful, including cover plate, the first pole piece, the second pole piece and protection structure, described first pole piece and the second pole piece
Correspondence is electrically connected with positive pole and the negative pole of battery core respectively, and described cover plate is provided with the first through hole and the second through hole；
Described first pole piece is connected to the upper surface of described cover plate, and described second pole piece is placed in the top of described cover plate,
With described second through hole just to layout, and insulation arrangement between described second pole piece and described cover plate；
Described protection structure includes that plate body, rupture disk and pressurized overturn to be connected on the second pole piece upward
Rotating sheet, one-body molded between described plate body, rupture disk and rotating sheet；Described plate body is connected to described cover plate
Lower surface, and described rupture disk and described first through hole are just to layout, and described rotating sheet leads to described second
Hole is just to layout.
2. the explosion of battery as claimed in claim 1 and power-off protection structure, it is characterised in that described plate
Being formed with blast hole and tumble port on body, described blast hole is arranged separately with tumble port, and described rupture disk is put
In described blast hole, and closing described blast hole, described rotating sheet is placed in described tumble port, and closes
Described tumble port.
3. the explosion of battery as claimed in claim 2 and power-off protection structure, it is characterised in that described quick-fried
Fragmentation is arranged on the top of described blast hole, and the upper surface of described rupture disk is flat with the upper surface of described plate body
Neat setting.
4. the explosion of battery as claimed in claim 1 and power-off protection structure, it is characterised in that described in turn over
The middle part of rotor is the most projecting, ledge in the middle part of formation, and the middle part ledge of described rotating sheet
Upper end be provided with the abutting post for abutting described second pole piece.
5. the explosion of battery as claimed in claim 4 and power-off protection structure, it is characterised in that described in turn over
The periphery of rotor is connected on the sidewall of described tumble port, and the sidewall of described rotating sheet is downwardly inclined layout,
Forming sloped sidewall, described sloped sidewall meets at described middle part ledge.
6. the explosion of battery as claimed in claim 4 and power-off protection structure, it is characterised in that in described
Portion's ledge is that horizontal tabular is arranged.
7. the explosion of the battery as described in any one of claim 1 to 6 and power-off protection structure, its feature exists
It is arranged over protective plate, just to interval between described upper protective plate and described rupture disk in, described cover plate
Arranging, described upper protective plate is connected by upper attachment structure with the upper surface of described cover plate；Described upper connection ties
Structure includes that multiple upper connection strap, multiple described upper connection straps are distributed in the periphery of described rupture disk, institute separately
The lower end stating connection strap is connected to the upper surface of described cover plate, and the upper end of described upper connection strap is anti-with described
Backplate connects, and is formed with bleeder port between adjacent described upper connection strap.
8. the explosion of the battery as described in any one of claim 1 to 6 and power-off protection structure, its feature exists
In, the lower section of described cover plate is provided with lower protective plate, and interval is just arranged by described lower protective plate and described rupture disk,
It is connected by lower attachment structure between described lower protective plate and the lower surface of described cover plate；Described lower attachment structure
Including multiple lower connection straps, multiple described lower connection straps are distributed in the periphery of described rupture disk, and phase separately
It is formed with lower air inlet between adjacent described lower connection strap.
9. the explosion of battery as claimed in claim 8 and power-off protection structure, it is characterised in that under described
Interval is just arranged by protective plate and described rotating sheet, and multiple described lower connection straps are distributed in described explosion separately
Sheet and the periphery of rotating sheet entire scope.
10. the explosion of the battery as described in any one of claim 1 to 6 and power-off protection structure, its feature
Being, the lateral wall of described cover plate is formed with down little big ledge structure, and described ledge structure is around described
The periphery of cover plate, and described ledge structure are formed the step surface being connected to housing upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230376.6U CN205583031U (en) | 2016-03-24 | 2016-03-24 | Blasting and outage protection architecture of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230376.6U CN205583031U (en) | 2016-03-24 | 2016-03-24 | Blasting and outage protection architecture of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583031U true CN205583031U (en) | 2016-09-14 |
Family
ID=56866748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620230376.6U Withdrawn - After Issue CN205583031U (en) | 2016-03-24 | 2016-03-24 | Blasting and outage protection architecture of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655537A (en) * | 2016-03-24 | 2016-06-08 | 深圳市瑞德丰精密制造有限公司 | Burst and power-off protection structure for battery |
-
2016
- 2016-03-24 CN CN201620230376.6U patent/CN205583031U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655537A (en) * | 2016-03-24 | 2016-06-08 | 深圳市瑞德丰精密制造有限公司 | Burst and power-off protection structure for battery |
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