CN209592164U - A kind of double safety valve power battery top cover and power battery - Google Patents
A kind of double safety valve power battery top cover and power battery Download PDFInfo
- Publication number
- CN209592164U CN209592164U CN201920446415.XU CN201920446415U CN209592164U CN 209592164 U CN209592164 U CN 209592164U CN 201920446415 U CN201920446415 U CN 201920446415U CN 209592164 U CN209592164 U CN 209592164U
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- Prior art keywords
- fixed cylinder
- power battery
- motion stops
- shell
- plate
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- 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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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052744 lithium Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010061688 Barotrauma Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of double safety valve power battery top cover and power batteries, more particularly to dynamic lithium battery technical field, including shell, it is characterized by: the case nose face is provided with top plate, setting is fluted in the middle part of the top plate, and the inside grooves side is provided with positive terminal, and the inside grooves other side is provided with negative terminal, the groove both ends are provided with air pressure balance mechanism, and the top plate is internally provided with alarm mechanism.The utility model pushes the first motion stops and the movement of the second motion stops by the first spring, venthole is closed, when cooperating enclosure interior air pressure height different, first motion stops and second piston plug are respectively in the different motion state of the first fixed cylinder and the second fixed cylinder, realize the adjusting to enclosure interior air pressure, security performance is improved, and does not influence the closed type to shell.
Description
Technical field
The utility model relates to dynamic lithium battery technical fields, and more specifically, this is practical, and to be related to a kind of double safety valve dynamic
Power battery cap and power battery.
Background technique
Nowadays with the extensive use of electronic product, chargeable secondary power battery plays more next in daily life
More important role.
The utility model patent of patent application publication CN201820162638.9 discloses a kind of double safety valve power electric
The side of pond top cover, including shell, air discharge duct and exhaust fan, shell is equipped with roller bearing, and roller bearing is fixedly connected with the casing, and the two of shell
Side is equipped with non-slip groove, and non-slip groove is fitted closely with shell, and the bottom of shell is equipped with groove and fixed column, and groove insertion is arranged in shell
In body, fixed column is fixedly connected with the casing, and the side of fixed column is equipped with movable bayonet, and movable bayonet is flexibly connected with fixed column,
The outer middle side part of shell is equipped with air discharge duct, and air discharge duct is fixedly connected with the casing.This kind of double safety valve power battery top cover, exhaust circle
Hole is divided into two rows at least provided with 26, and it is in " matrix " arrangement between each other, in the exhaust circle of matrix arrangement
Hole insertion is arranged on the outside of exhaust chamber, and hot-air can be rapidly performed by discharge by matrix arrangement, reduces what hot-air stopped
Time protects the use environment of battery, improves the practicability of double safety valve power battery top cover.
But it is in actual use, still there is more disadvantage, is not sealed well to battery case such as, holds
Inside battery chemical spills are easily caused, the use of battery is influenced.
Utility model content
In order to overcome the drawbacks described above of the prior art, the embodiments of the present invention provide a kind of double safety valve power battery
Top cover and power battery push the first motion stops and the second motion stops to move, close, match to venthole by the first spring
Close enclosure interior air pressure height it is different when, the first motion stops and second piston plug are respectively in the first fixed cylinder and the second fixed cylinder
Different motion state realizes the adjusting to enclosure interior air pressure, improves security performance, and do not influence the closed type to shell, with
Solve the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: a kind of double safety valve power battery top cover and
Power battery, including shell, it is characterised in that: the case nose face is provided with top plate, and setting is fluted in the middle part of the top plate,
The inside grooves side is provided with positive terminal, and the inside grooves other side is provided with negative terminal, the groove both ends setting
There is air pressure balance mechanism, the top plate is internally provided with alarm mechanism；
The air pressure balance mechanism includes the first fixed cylinder and the second fixed cylinder, and first fixed cylinder is set to groove
One end, second fixed cylinder are set to the groove other end, and first fixed cylinder and the second fixed cylinder surface are provided with logical
Stomata is provided with retainer plate inside first fixed cylinder and the second fixed cylinder, and first fixed cylinder is internally provided with
One motion stops, second fixed cylinder are internally provided with the second motion stops, between first motion stops and retainer plate and
The first spring is provided between two motion stops and the second fixed cylinder, first motion stops surface is provided with intercommunicating pore, described
Enclosure interior is provided with battery main body.
In a preferred embodiment, first fixed cylinder and the second fixed cylinder are disposed as cylindrical shape, and
One fixed cylinder both ends communicate setting, and second fixed cylinder one end is closing setting.
In a preferred embodiment, retainer plate quantity is set as two inside first fixed cylinder, and described the
Retainer plate quantity is set as one inside two fixed cylinders, and first motion stops and the second motion stops are towards on the contrary, described first
Motion stops and the second motion stops top match with venthole, and the intercommunicating pore matches with venthole, the first motion stops and
Second motion stops are connected with enclosure interior.
In a preferred embodiment, the alarm mechanism includes movable pressing board, and the movable pressing board is set to
Between top plate and battery main body, connecting cylinder is provided between the top plate both ends and shell, the connecting cylinder, which is internally provided with, to be pushed away
Bar, the push rod surface are provided with limit plate, and the limit plate side is provided with second spring, setting inside the top plate both ends
There is pressure sensor, is provided with alarm in the middle part of the groove.
In a preferred embodiment, the movable pressing board is fixedly connected with push rod, the pressure sensor with push away
The horizontal conllinear setting of bar, the alarm are internally provided with single-chip microcontroller, and the alarm surface is provided with alarm lamp, the pressure
Sensor output is connect with single-chip microcomputer input.
In a preferred embodiment, it is provided with heat-conducting plate at the top and bottom of the battery main body, it is described thermally conductive
It is provided with heat sink on the outside of plate, the heat sink quantity is set as multiple, and heat sink runs through shell.
The technical effect and advantage of the utility model:
1, the utility model pushes the first motion stops using the first spring by the first fixed cylinder of setting and the second fixed cylinder
It is moved with the second motion stops, venthole is closed, when enclosure interior air answers expanded by heating, and air pressure increases, and then pushed away
The second motion stops movement in dynamic second fixed cylinder, compresses the first spring, the second motion stops is pushed to release the closing to venthole,
And then reach discharge enclosure interior air, and enclosure interior air pressure is reduced, after air is cooling inside housings, air pressure decline, by outer
Boundary's effects of air pressure pushes the first motion stops to move in the first fixed cylinder, compresses the first spring, pushes the company in the first motion stops
Through-hole is matched with venthole, and then releases the closing to venthole, and outside air enters enclosure interior, is realized to enclosure interior
The adjusting of air pressure improves security performance, and does not influence the closed type to shell；
2, the utility model is by setting movable pressing board, and in battery use process, battery main body breaks down, battery master
Body expands, and drives movable pressing board mobile, and then push push rod, and cooperation limit plate compresses second spring, touches in push rod
After pressure sensor, pressure sensor sends signal to alarm, carries out security alarm using alarm, improves the safety of battery
Performance.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model.
Fig. 2 is the whole top cross-sectional view of the utility model.
Fig. 3 is the portion the A schematic diagram of the utility model Fig. 2.
Fig. 4 is the overall schematic of the first motion stops of the utility model.
Fig. 5 is the overall schematic of the second motion stops of the utility model.
Fig. 6 is the electric connection schematic diagram of the utility model.
Fig. 7 is the whole side view diagrammatic cross-section of the utility model.
Appended drawing reference are as follows: 1 shell, 2 top plates, 3 grooves, 4 positive terminals, 5 negative terminals, 6 first fixed cylinders, 7 second fixed cylinders,
8 ventholes, 9 retainer plates, 10 first motion stops, 11 second motion stops, 12 first springs, 13 intercommunicating pores, 14 battery main bodies, 15 are lived
Dynamic pressure plate, 16 connecting cylinders, 17 push rods, 18 limit plates, 19 second springs, 20 pressure sensors, 21 alarms, 22 heat-conducting plates, 23
Heat sink.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides as shown in Figs. 1-5 a kind of double safety valve power battery top cover and power battery, including
Shell 1,1 front end face of shell are provided with top plate 2, fluted 3 are arranged in the middle part of the top plate 2,3 interior side of groove is set
It is equipped with positive terminal 4, the 3 inside other side of groove is provided with negative terminal 5, and 3 both ends of groove are provided with air pressure balance mechanism,
The top plate 2 is internally provided with alarm mechanism；
The air pressure balance mechanism includes the first fixed cylinder 6 and the second fixed cylinder 7, and first fixed cylinder 6 is set to
3 one end of groove, second fixed cylinder 7 are set to 3 other end of groove, and first fixed cylinder 6 and 7 surface of the second fixed cylinder are equal
It is provided with venthole 8, retainer plate 9, first fixed cylinder 6 are provided with inside first fixed cylinder 6 and the second fixed cylinder 7
The first motion stops 10 are internally provided with, second fixed cylinder 7 is internally provided with the second motion stops 11, first motion stops 10
The first spring 12, first activity are provided between retainer plate 9 and between the second motion stops 11 and the second fixed cylinder 7
It fills in 10 surfaces and is provided with intercommunicating pore 13, the shell 1 is internally provided with battery main body 14.
Further, first fixed cylinder 6 and the second fixed cylinder 7 are disposed as cylindrical shape, and 6 both ends of the first fixed cylinder
Setting is communicated, 7 one end of the second fixed cylinder is closing setting.
Further, 6 inside retainer plate of the first fixed cylinder, 9 quantity is set as two, inside second fixed cylinder 7
9 quantity of retainer plate is set as one, and first motion stops 10 and the second motion stops 11 are towards on the contrary, first motion stops 10
Match with venthole 8 with 11 top of the second motion stops, the intercommunicating pore 13 matches with venthole 8, the first motion stops 10
It is connected with inside shell 1 with the second motion stops 11.
Embodiment specifically: in battery normal use, the first spring 12 pushes the first motion stops 10 and the second activity
11 movement of plug, closes venthole 8, wherein retainer plate 9 carries out position limit to the first motion stops 10 and the second motion stops 11
It is fixed, it is ensured that a motion stops 10 and the second motion stops 11 are sealed venthole 8, another retainer plate 9 in the first fixed cylinder 6
First spring 12 is fixed, when 1 inner air of shell answers expanded by heating, and 1 air pressure of shell increases, pushes the second fixed cylinder
The second motion stops 11 movement in 7, compresses the first spring 12, and 11 position of the second motion stops changes, and releases to venthole 8
Closing, 1 inside outside air of shell are connected to by the second fixed cylinder 7, and 1 internal gas of shell is discharged, and reduce by 1 inside gas of shell
Pressure is influenced in the decline of 1 air pressure inside of shell by ambient pressure, and the first motion stops 10 is pushed to move in the first fixed cylinder 6,
The first spring 12 is compressed, pushes 10 position of the first motion stops mobile, pushes intercommunicating pore 13 and venthole 8 in the first motion stops 10
Matching docking, and then the closing to venthole 8 is released, outside air enters inside shell 1, realizes to 1 air pressure inside of shell
Adjusting, improve security performance, and do not influence the closed type to shell.
A kind of double safety valve power battery top cover and power battery, the alarm mechanism as shown in Fig. 2-3 and 6 include
Movable pressing board 15, the movable pressing board 15 are set between top plate 2 and battery main body 1, between 2 both ends of top plate and shell 1
It is provided with connecting cylinder 16, the connecting cylinder 16 is internally provided with push rod 17, and 17 surface of push rod is provided with limit plate 18, described
18 side of limit plate is provided with second spring 19, and 2 both ends of top plate are internally provided with pressure sensor 20, in the groove 3
Portion is provided with alarm 21.
Further, the movable pressing board 15 is fixedly connected with push rod solid 17, the pressure sensor 20 and 17 water of push rod
Flat conllinear setting, the alarm 21 are internally provided with single-chip microcontroller, and 21 surface of alarm is provided with alarm lamp, the pressure
20 output end of sensor is connect with single-chip microcomputer input.
Embodiment specifically: when battery main body 14 breaks down, battery main body 14 is expanded, and then drive activity pressure
Plate 15 is mobile, pushes push rod 17, and push rod 17 compresses second spring 19 using limit plate 18, drives push rod 17 to pressure sensor 20
Direction movement, after push rod 17 touches pressure sensor 20, pressure sensor 20 sends signal to alarm 21, and single-chip microcontroller connects
Signal is received, the alarm lamp on alarm 21 is started, security alarm is carried out using alarm 21, improves the security performance of battery.
As shown in Figure 7 a kind of double safety valve power battery top cover and power battery, 1 top and bottom of battery main body
It is provided with heat-conducting plate 22, heat sink 23 is provided on the outside of the heat-conducting plate 22,23 quantity of heat sink is set as multiple, and
Heat sink 23 runs through shell 1.
Embodiment specifically: utilize heat transfer principle, the heat that battery main body distributes is absorbed using heat-conducting plate 22, in benefit
Hot transmitting is carried out with heat sink 23 and outside air, heat is distributed, it is convenient to radiate to battery, and do not influence shell
1 leakproofness.
Utility model works principle:
Referring to Figure of description 1-5, in battery normal use, the first spring 12 pushes the first motion stops 10 and second living
Dynamic 11 movement of plug, closes venthole 8, when 1 inner air of shell answers expanded by heating, and air pressure increases, promotion second is solid
The second motion stops 11 movement in safety barrel 7, compresses the first spring 12, releases the closing to venthole 8,1 inside gas of shell is discharged
Body reduces by 1 air pressure inside of shell, declines in 1 air pressure inside of shell, is influenced by ambient pressure, pushes the first motion stops 10 the
It is moved in one fixed cylinder 6, compresses the first spring 12, push the intercommunicating pore 13 in the first motion stops 10 to match with venthole 8, in turn
The closing to venthole 8 is released, outside air enters inside shell 1, realizes the adjusting to 1 air pressure inside of shell, improves peace
Full performance, and the closed type to shell is not influenced；
Referring to Figure of description 2-3 and 6, when battery main body 14 breaks down, battery main body 14 is expanded, and is driven and is lived
Dynamic pressure plate 15 is mobile, and then pushes push rod 17, and cooperation limit plate 18 compresses second spring 19, touches pressure sensing in push rod 17
After device 20, pressure sensor 20 sends signal to alarm 21, carries out security alarm using alarm 21, improves the safety of battery
Performance.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the utility model discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure,
His structure, which can refer to, to be commonly designed, and under not conflict situations, the utility model the same embodiment and different embodiments can be mutual
Combination；
Last: the above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (6)
1. a kind of double safety valve power battery top cover and power battery, including shell (1), it is characterised in that: before the shell (1)
End face is provided with top plate (2), and fluted (3) are arranged in the middle part of the top plate (2), and groove (3) interior side is provided with anode
Column (4), the internal other side of the groove (3) are provided with negative terminal (5), and groove (3) both ends are provided with air pressure balance mechanism,
The top plate (2) is internally provided with alarm mechanism；
The air pressure balance mechanism includes the first fixed cylinder (6) and the second fixed cylinder (7), the first fixed cylinder (6) setting
In groove (3) one end, second fixed cylinder (7) is set to groove (3) other end, and first fixed cylinder (6) and second are consolidated
Safety barrel (7) surface is provided with venthole (8), is provided with fixation inside first fixed cylinder (6) and the second fixed cylinder (7)
It encloses (9), first fixed cylinder (6) is internally provided with the first motion stops (10), and second fixed cylinder (7) is internally provided with the
Two motion stops (11), between first motion stops (10) and retainer plate (9) and the second motion stops (11) and the second fixed cylinder
(7) it is provided between the first spring (12), the first motion stops (10) surface is provided with intercommunicating pore (13), the shell
(1) battery main body (14) are internally provided with.
2. a kind of double safety valve power battery top cover according to claim 1 and power battery, it is characterised in that: described
One fixed cylinder (6) and the second fixed cylinder (7) are disposed as cylindrical shape, and the first fixed cylinder (6) both ends communicate setting, and second is fixed
Cylinder (7) one end is closing setting.
3. a kind of double safety valve power battery top cover according to claim 1 and power battery, it is characterised in that: described
Internal retainer plate (9) quantity of one fixed cylinder (6) is set as two, internal retainer plate (9) the quantity setting of second fixed cylinder (7)
It is one, first motion stops (10) and the second motion stops (11) are towards on the contrary, first motion stops (10) and second are lived
Dynamic plug (11) top matches with venthole (8), and the intercommunicating pore (13) matches with venthole (8), the first motion stops
(10) it is connected with shell (1) inside with the second motion stops (11).
4. a kind of double safety valve power battery top cover according to claim 1 and power battery, it is characterised in that: the report
Alert mechanism includes movable pressing board (15), and the movable pressing board (15) is set between top plate (2) and battery main body (14), described
It is provided between top plate (2) both ends and shell (1) connecting cylinder (16), the connecting cylinder (16) is internally provided with push rod (17), institute
It states push rod (17) surface to be provided with limit plate (18), limit plate (18) side is provided with second spring (19), the top plate
(2) both ends are internally provided with pressure sensor (20), are provided with alarm (21) in the middle part of the groove (3).
5. a kind of double safety valve power battery top cover according to claim 4 and power battery, it is characterised in that: the work
Dynamic pressure plate (15) is fixedly connected with push rod (17), the pressure sensor (20) and push rod (17) horizontal conllinear setting, the report
Alert device (21) are internally provided with single-chip microcontroller, and alarm (21) surface is provided with alarm lamp, and the pressure sensor (20) is defeated
Outlet is connect with single-chip microcomputer input.
6. a kind of double safety valve power battery top cover according to claim 1 and power battery, it is characterised in that: the electricity
It is provided with heat-conducting plate (22) at the top and bottom of tank main body (14), is provided with heat sink (23), institute on the outside of the heat-conducting plate (22)
It states heat sink (23) quantity and is set as multiple, and heat sink (23) runs through shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446415.XU CN209592164U (en) | 2019-04-03 | 2019-04-03 | A kind of double safety valve power battery top cover and power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446415.XU CN209592164U (en) | 2019-04-03 | 2019-04-03 | A kind of double safety valve power battery top cover and power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592164U true CN209592164U (en) | 2019-11-05 |
Family
ID=68375425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920446415.XU Expired - Fee Related CN209592164U (en) | 2019-04-03 | 2019-04-03 | A kind of double safety valve power battery top cover and power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209592164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023003057A1 (en) * | 2021-07-21 | 2023-01-26 | 주식회사 엘지에너지솔루션 | Venting device, battery pack assembly comprising same, and vehicle including battery pack assembly |
| US11588204B2 (en) | 2020-07-14 | 2023-02-21 | Lg Energy Solution, Ltd. | Venting device and battery pack assembly including same, and vehicle including the battery pack assembly |
-
2019
- 2019-04-03 CN CN201920446415.XU patent/CN209592164U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11588204B2 (en) | 2020-07-14 | 2023-02-21 | Lg Energy Solution, Ltd. | Venting device and battery pack assembly including same, and vehicle including the battery pack assembly |
| WO2023003057A1 (en) * | 2021-07-21 | 2023-01-26 | 주식회사 엘지에너지솔루션 | Venting device, battery pack assembly comprising same, and vehicle including battery pack assembly |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191105 |