CN111211269B - Lithium battery protection device - Google Patents
Lithium battery protection device Download PDFInfo
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- CN111211269B CN111211269B CN202010158557.3A CN202010158557A CN111211269B CN 111211269 B CN111211269 B CN 111211269B CN 202010158557 A CN202010158557 A CN 202010158557A CN 111211269 B CN111211269 B CN 111211269B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5038—Heating or cooling of cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary 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
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery protection device, which comprises a protection box and a cover plate, wherein a cavity with a backward opening is arranged in the protection box, the cover plate is positioned on one side of the opening of the cavity, a lithium battery is arranged in the cavity, elastic gaskets are symmetrically and fixedly connected on the inner walls of the upper side and the lower side of the cavity, the upper end and the lower end of the lithium battery are abutted against the elastic gaskets on the two sides, and a compression spring is fixedly connected between the elastic gaskets and the inner wall of the cavity.
Description
Technical Field
The invention relates to the field of lithium batteries, in particular to a lithium battery protection device.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and the existing lithium battery has the defects that the lithium battery is easy to expand, damage and even explode, the explosion reasons of the lithium battery are various, such as large internal polarization, reaction air drum of pole piece water absorption and electrolyte, and the like, the common lithium battery expands before explosion, the expansion time is short, and people are difficult to quickly react and hurt.
Disclosure of Invention
In order to solve the problems, the embodiment designs a lithium battery protection device, which comprises a protection box and a cover plate, wherein the protection box is internally provided with a cavity with a backward opening, the cover plate is positioned at one side of the opening of the cavity, a lithium battery is arranged in the cavity, elastic gaskets are symmetrically and fixedly connected on the inner walls of the upper side and the lower side of the cavity, the upper end and the lower end of the lithium battery are abutted against the elastic gaskets at two sides, a compression spring is fixedly connected between the elastic gasket and the inner wall of the cavity and is always in a compression state, the elastic gasket is always abutted against the lithium battery under the elastic force of the compression spring, one end of the elastic gasket, which is far away from the lithium battery, is fixedly connected with a hinge rod, communicating grooves are symmetrically arranged in the inner walls of the upper side and the lower side of the cavity, the communicating grooves are communicated with spring grooves with the backward opening in, one end, far away from the lithium battery, of the hinged rod extends into the communicating groove respectively, the hinged rod is connected with the protection box in a sliding mode, a connecting device is connected between the hinged rod and the cover plate and comprises a rotating plate rotatably arranged in the communicating groove, the rotating plate is rotatably connected to the inner wall of the communicating groove through two support shafts, the hinged rod is hinged to the rotating plate, a sliding rod is arranged in the spring groove in a sliding mode, the rear end of the sliding rod is fixedly connected to the cover plate, a clamping groove with an opening facing the rotating plate is formed in the sliding rod, one end, close to the sliding rod, of the rotating plate is fixedly connected with a clamping block, the clamping block extends into the clamping groove and clamps the sliding rod, the opening of the cavity is not closed through the cover plate, and an extension spring is fixedly connected between the front end of the sliding rod and the inner wall of the front side, when the lithium battery expands, the elastic gasket is extruded to push the hinge rod to slide so as to drive the rotating plate to rotate around the support shaft, so that the clamping block slides out of the clamping groove, at the moment, the sliding rod slides under the elastic action of the extension spring so as to drive the cover plate to slide and close the cavity opening, the support shaft is closer to the hinge rod relative to the clamping block, so that when the rotating plate rotates, the sliding stroke of the clamping block is larger than that of the hinge rod, so that the clamping block can be quickly separated from the clamping groove when the lithium battery expands, a sealing opening is formed in the cover plate in a penetrating manner, a connecting rod is arranged in the sealing opening, the front end of the connecting rod is connected with a cooling device, a lead is connected between the cooling device and the lithium battery, and the lithium battery supplies electricity to the cooling device through the lead, the fan in the cooling device rotates and blows air into the cavity, the cover plate is internally provided with an opening and closing device, the opening and closing device is in transmission connection with the connecting device through a gear and a rack, and when the sliding rod slides forwards, the sliding rod drives the opening and closing device to close the sealing opening through gear and rack transmission. Preferably, the inner walls of the left side and the right side of the cavity are fixedly connected with fixed blocks, opening directions are arranged in the fixed blocks, the connecting grooves of the lithium battery are used for clamping the lithium battery.
Preferably, the spring groove is close to the rack is fixedly arranged in the inner wall of one side of the cavity, an opening is arranged in the sliding rod and faces the gear cavity of the cavity, a connecting straight gear is arranged in the gear cavity and rotates in the gear cavity, the connecting straight gear is meshed with the rack, a driving bevel gear is fixedly connected to the left end of the connecting straight gear, a driven bevel gear is arranged at the rear end of the driving bevel gear in a meshed mode, a transmission shaft is fixedly connected to the rear end of the driven bevel gear, a ring cavity is arranged in the cover plate, a gear wheel is arranged in the ring cavity and rotates in the ring cavity, meshing holes are formed in the front of and in the rear of the gear wheel in a penetrating mode, the rear end of the transmission shaft extends into the meshing holes and is fixedly connected with the driven straight gear, the driven straight gear is, the rear end of the inner meshing gear is fixedly connected with a connecting shaft, the rear end of the connecting shaft is fixedly connected with a connecting bevel gear, the connecting bevel gear is close to one end of the sealing opening and is meshed with a transmission bevel gear, one end of the transmission bevel gear close to the sealing opening is fixedly connected with a rotating shaft, one end of the rotating shaft close to the sealing opening extends into the sealing opening and is connected with the opening and closing device, the rotating shaft is rotatably connected with the connecting rod, the sliding rod slides forwards and is driven by the rack to rotate the connecting straight gear, so as to drive the driving bevel gear to rotate, further drive the driven straight gear to rotate by the transmission shaft, further drive the gear wheel to rotate, further drive the inner meshing gear to rotate, and further drive the connecting bevel gear to rotate, and then drive transmission bevel gear rotates, and then through the axis of rotation drive the device that opens and shuts closes the sealing port, the slide bar drives simultaneously the apron slides and closes the cavity, and then can avoid the cavity inflation damages the people when exploding.
Advantageously, the opening and closing device comprises six sealing plates which are distributed in an annular array and arranged in the sealing port, the six sealing plates are respectively fixedly connected to six rotating shafts, and the rotating shafts rotate and drive the sealing plates to rotate, so that the sealing port is closed.
Beneficially, the cooling device includes the connection pad of locating the apron front side, the connection pad is interior to be equipped with the fan chamber that link up around, the fan rotates to be located the fan intracavity, the connecting rod front end rotate connect in the fan, the fan front end rotates and is connected with the bracing piece, the upper end of the support bar links firmly in the connection pad, fan front end electric connection has the conducting block, the wire connect in the conducting block with between the lithium cell, the lithium cell passes through the wire gives the conducting block power supply, and then the drive the fan rotates, and then to blow in the cavity and right the lithium cell cooling.
Preferably, a ventilation opening with a forward opening is formed in the inner wall of the front side of the cavity in a communicating mode, the ventilation opening guides the wind in the cavity out in the forward direction, and therefore the air in the cavity is exchanged with the air outside the protection box.
The invention has the beneficial effects that: according to the invention, the lithium battery is arranged in the protective box, so that the lithium battery is prevented from heating seriously, the air is blown by the fan to exchange heat and cool the lithium battery when the lithium battery is normally used, the cavity can be automatically closed when the lithium battery expands, further, the lithium battery is prevented from damaging people when the lithium battery expands and explodes, and the safety is improved.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the overall structure of a lithium battery protection device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view in the direction "B" of FIG. 2;
FIG. 4 is an enlarged schematic view of "C" of FIG. 2;
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 2;
FIG. 6 is an enlarged schematic view of "E" of FIG. 2;
fig. 7 is a schematic view of the state when the sealing port is closed.
Detailed Description
The invention will now be described in detail with reference to fig. 1-7, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The lithium battery protection device comprises a protection box 11 and a cover plate 41, wherein a cavity 12 with a backward opening is arranged in the protection box 11, the cover plate 41 is positioned at one side of the opening of the cavity 12, a lithium battery 20 is arranged in the cavity 12, elastic gaskets 13 are symmetrically and fixedly connected on the inner walls of the upper side and the lower side of the cavity 12, the upper end and the lower end of the lithium battery 20 are abutted against the elastic gaskets 13 at the two sides, a compression spring 15 is fixedly connected between the elastic gasket 13 and the inner wall of the cavity 12, the compression spring 15 is always in a compression state, the elastic gaskets 13 are further always abutted against the lithium battery 20 under the elastic force action of the compression spring 15, a hinge rod 14 is fixedly connected at one end of the elastic gasket 13, which is far away from the lithium battery 20, communicating grooves 16 are symmetrically arranged in the inner walls of the upper side and the lower side of the cavity 12, and a spring groove 23 with a backward opening is arranged in, one end of the hinged rod 14, which is far away from the lithium battery 20, extends into the communication groove 16 respectively, the hinged rod 14 is connected with the protection box 11 in a sliding manner, a connecting device 100 is connected between the hinged rod 14 and the cover plate 41, the connecting device 100 comprises a rotating plate 17 rotatably arranged in the communication groove 16, the rotating plate 17 is rotatably connected to the inner wall of the communication groove 16 through two support shafts 22, the hinged rod 14 is hinged to the rotating plate 17, a sliding rod 38 is slidably arranged in the spring groove 23, the rear end of the sliding rod 38 is fixedly connected to the cover plate 41, a clamping groove 50 with an opening facing the rotating plate 17 is arranged in the sliding rod 38, one end of the rotating plate 17, which is close to the sliding rod 38, is fixedly connected with a clamping block 51, the clamping block 51 extends into the clamping groove 50 and clamps the sliding rod 38, at this time, the cover plate 41 does not close the opening of the cavity 12, an extension spring 24 is fixedly connected between the front end of the sliding rod 38 and the inner wall of the front side of the spring groove 23, when the lithium battery 20 expands, the elastic gasket 13 is extruded, the hinge rod 14 is pushed to slide, the rotating plate 17 is driven to rotate around the supporting shaft 22, the clamping block 51 slides out of the clamping groove 50, at the moment, the sliding rod 38 slides under the action of the elastic force of the extension spring 24, the cover plate 41 is driven to slide, the opening of the cavity 12 is closed, the supporting shaft 22 is closer to the hinge rod 14 relative to the clamping block 51, so that when the rotating plate 17 rotates, the sliding stroke of the clamping block 51 is larger than that of the hinge rod 14, the clamping block 51 can be rapidly separated from the clamping groove 50 when the lithium battery 20 expands, the cover plate 41 is internally provided with a sealing port 31 which is through from front to back, and a connecting rod 27 is arranged in the sealing port 31, the front end of the connecting rod 27 is connected with a cooling device 102, a lead 53 is connected between the cooling device 102 and the lithium battery 20, the lithium battery 20 is electrified to the cooling device 102 through the lead 53, a fan 25 in the cooling device 102 rotates and blows air into the cavity 12, an opening and closing device 101 is arranged in the cover plate 41, the opening and closing device 101 is connected with the connecting device 100 through gear and rack transmission, and when the sliding rod 38 slides forwards, the opening and closing device 101 is driven to close the sealing port 31 through gear and rack transmission.
Advantageously, fixed blocks 18 are fixedly connected to the inner walls of the left and right sides of the cavity 12, and connecting grooves 19 with openings facing the lithium batteries 20 are formed in the fixed blocks 18, and the connecting grooves 19 are used for clamping the lithium batteries 20.
Beneficially, a rack 52 is fixedly arranged on the inner wall of one side of the cavity 12 close to the spring groove 23, a gear cavity 47 with an opening facing the cavity 12 is arranged in the sliding rod 38, a connecting straight gear 48 is arranged in the gear cavity 47 in a rotating manner, the connecting straight gear 48 is meshed with the rack 52, a driving bevel gear 49 is fixedly connected to the left end of the connecting straight gear 48, a driven bevel gear 46 is arranged at the rear end of the driving bevel gear 49 in a meshed manner, a transmission shaft 37 is fixedly connected to the rear end of the driven bevel gear 46, a circular cavity 35 is arranged in the cover plate 41, a large gear 40 is arranged in the circular cavity 35 in a rotating manner, a meshing hole 34 is formed in the large gear 40 in a penetrating manner, the rear end of the transmission shaft 37 extends into the meshing hole 34 and is fixedly connected with a driven straight gear 36, the driven straight gear 36 is meshed with the large gear 40, six internal meshing gears, the inner gear 45 is meshed with the gearwheel 40, the rear end of the inner gear 45 is fixedly connected with a connecting shaft 43, the rear end of the connecting shaft 43 is fixedly connected with a connecting bevel gear 42, the connecting bevel gear 42 is close to one end of the sealing opening 31 and is provided with a transmission bevel gear 44 in a meshed manner, one end of the transmission bevel gear 44, which is close to the sealing opening 31, is fixedly connected with a rotating shaft 32, one end of the rotating shaft 32, which is close to the sealing opening 31, extends into the sealing opening 31 and is connected with the opening and closing device 101, the rotating shaft 32 is rotatably connected with the connecting rod 27, the sliding rod 38 slides forwards and then drives the connecting spur gear 48 to rotate through the rack 52, so as to drive the driving bevel gear 49 to rotate and further drive the driven bevel gear 46 to rotate, and further drive the driven spur gear 36 to rotate through the transmission shaft, and then the internal gear 45 is driven to rotate, and further the connecting bevel gear 42 is driven to rotate by the connecting shaft 43, and further the transmission bevel gear 44 is driven to rotate, so that the opening and closing device 101 is driven by the rotating shaft 32 to close the sealing opening 31, and meanwhile, the sliding rod 38 drives the cover plate 41 to slide and close the cavity 12, so that people can be prevented from being damaged when the cavity 12 expands and explodes.
According to an embodiment, the opening and closing device 101 is described in detail below, where the opening and closing device 101 includes six sealing plates 33 disposed in the sealing port 31 in an annular array, the six sealing plates 33 are respectively fixedly connected to six rotating shafts 32, and the rotating shafts 32 rotate and drive the sealing plates 33 to rotate, so as to close the sealing port 31.
According to an embodiment, the following detailed description is provided for the cooling device 102, the cooling device 102 includes a connection pad 30 disposed at the front side of the cover plate 41, a fan cavity 29 is disposed in the connection pad 30 in a front-back through manner, the fan 25 is rotatably disposed in the fan cavity 29, the front end of the connection rod 27 is rotatably connected to the fan 25, the front end of the fan 25 is rotatably connected to a support rod 28, the upper end of the support rod 28 is fixedly connected to the connection pad 30, the front end of the fan 25 is electrically connected to a conductive block 26, the lead 53 is connected between the conductive block 26 and the lithium battery 20, and the lithium battery 20 supplies power to the conductive block 26 through the lead 53, so as to drive the fan 25 to rotate, blow air into the cavity 12 and cool the lithium battery 20.
Advantageously, a ventilation opening 21 with a forward opening is formed in the inner wall of the front side of the cavity 12 in a communicating manner, and the ventilation opening 21 guides the wind in the cavity 12 forward, so that the air in the cavity 12 is exchanged with the air outside the protection box 11.
The following will describe in detail the usage steps of a lithium battery protection device in conjunction with fig. 1 to 7:
initially, the latch 51 is engaged in the slot 50, and the sealing opening 31 is in an open state, and the cover 41 does not close the cavity 12.
During the use, lithium cell 20 supplies power for conducting block 26 through wire 53, and then drive fan 25 and rotate, and then blow and cool down lithium cell 20 to cavity 12 in, and vent 21 leads out the wind in cavity 12 to the front, and then makes the air in cavity 12 and the outside air of guard box 11 exchange.
When the lithium battery 20 expands, the elastic gasket 13 is squeezed, so that the hinge rod 14 is pushed to slide, and the rotating plate 17 is driven to rotate around the support shaft 22, so that the clamping block 51 slides out of the clamping groove 50, and at the moment, the sliding rod 38 slides under the elastic force of the extension spring 24, so that the cover plate 41 is driven to slide and the opening of the cavity 12 is closed.
The invention has the beneficial effects that: according to the invention, the lithium battery is arranged in the protective box, so that the lithium battery is prevented from heating seriously, the air is blown by the fan to exchange heat and cool the lithium battery when the lithium battery is normally used, the cavity can be automatically closed when the lithium battery expands, further, the lithium battery is prevented from damaging people when the lithium battery expands and explodes, and the safety is improved.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (6)
1. A lithium battery protection device is characterized in that: the lithium battery protection device comprises a protection box and a cover plate, wherein a cavity with a backward opening is arranged in the protection box, the cover plate is positioned on one side of the opening of the cavity, a lithium battery is arranged in the cavity, elastic gaskets are symmetrically and fixedly connected on the inner walls of the upper side and the lower side of the cavity, the upper end and the lower end of the lithium battery are abutted against the elastic gaskets on the two sides, a compression spring is fixedly connected between the elastic gaskets and the inner wall of the cavity, and the compression spring is always in a compression state; one end, away from the lithium battery, of the elastic gasket is fixedly connected with a hinged rod, communicating grooves are symmetrically formed in the inner walls of the upper side and the lower side of the cavity, the communicating grooves are communicated with a spring groove with a backward opening in the inner wall of one side, away from the cavity, of the hinged rod, one end, away from the lithium battery, of the hinged rod extends into the communicating grooves respectively, and the hinged rod is connected with the protection box in a sliding mode; a connecting device is connected between the hinged rod and the cover plate, the connecting device comprises a rotating plate which is rotatably arranged in the communicating groove, the rotating plate is rotatably connected to the inner wall of the communicating groove through two support shafts, the hinged rod is hinged to the rotating plate, a sliding rod is arranged in the spring groove in a sliding manner, the rear end of the sliding rod is fixedly connected to the cover plate, a clamping groove with an opening facing the rotating plate is formed in the sliding rod, a clamping block is fixedly connected to one end, close to the sliding rod, of the rotating plate, and an extension spring is fixedly connected between the front end of the sliding rod and the inner wall of the front side of the spring groove; a sealing opening is formed in the cover plate in a front-back through mode, a connecting rod is arranged in the sealing opening, the front end of the connecting rod is connected with a cooling device, a lead is connected between the cooling device and the lithium battery, the lithium battery is used for electrifying the cooling device through the lead, and a fan in the cooling device rotates and blows air into the cavity; the cover plate is internally provided with an opening and closing device, and the opening and closing device is in transmission connection with the connecting device through a gear and a rack.
2. A lithium battery protection device as claimed in claim 1, characterized in that: fixed blocks are fixedly connected to the inner walls of the left side and the right side of the cavity, and connecting grooves with openings facing the lithium batteries are formed in the fixed blocks.
3. A lithium battery protection device as claimed in claim 1, characterized in that: a rack is fixedly arranged in the inner wall of one side, close to the cavity, of the spring groove, a gear cavity with an opening facing the cavity is arranged in the sliding rod, a connecting straight gear is rotationally arranged in the gear cavity, the connecting straight gear is meshed with the rack, the left end of the connecting straight gear is fixedly connected with a driving bevel gear, the rear end of the driving bevel gear is meshed with a driven bevel gear, and the rear end of the driven bevel gear is fixedly connected with a transmission shaft; the cover plate is internally provided with an annular cavity, a large gear is rotatably arranged in the annular cavity, meshing holes are formed in the large gear in a front-back through mode, the rear end of the transmission shaft extends into the meshing holes and is fixedly connected with a driven straight gear, and the driven straight gear is meshed with the large gear; the utility model discloses a portable electronic device, including meshing hole, gear wheel, internal gear, connecting axle, connecting bevel gear, sealing opening, drive bevel gear, the downthehole annular array of meshing distributes and rotates and is equipped with six internal gear, internal gear mesh in the gear wheel, the internal gear rear end links firmly the connecting axle, the connecting axle rear end links firmly and connects bevel gear, it is close to connect bevel gear the meshing of sealing opening one end is equipped with drive bevel gear, drive bevel gear is close to sealing opening one end has linked firmly the axis of rotation, the axis of rotation is close to sealing opening one end extends to in the sealing.
4. A lithium battery protection device as claimed in claim 3, characterized in that: the opening and closing device comprises six sealing plates which are distributed in an annular array and arranged in the sealing port, and the six sealing plates are fixedly connected with six rotating shafts respectively.
5. A lithium battery protection device as claimed in claim 1, characterized in that: the heat sink is including locating the connection pad of apron front side, the fan chamber that is equipped with that link up around in the connection pad, the fan rotates to be located the fan intracavity, the connecting rod front end rotate connect in the fan, the fan front end rotates and is connected with the bracing piece, upper end of the support bar link firmly in the connection pad, fan front end electric connection has the conducting block, the wire connect in the conducting block with between the lithium cell.
6. A lithium battery protection device as claimed in claim 1, characterized in that: the inner wall of the front side of the cavity is internally provided with a ventilation opening with a forward opening in a communicating way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158557.3A CN111211269B (en) | 2020-03-09 | 2020-03-09 | Lithium battery protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010158557.3A CN111211269B (en) | 2020-03-09 | 2020-03-09 | Lithium battery protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111211269A CN111211269A (en) | 2020-05-29 |
| CN111211269B true CN111211269B (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010158557.3A Active CN111211269B (en) | 2020-03-09 | 2020-03-09 | Lithium battery protection device |
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| CN (1) | CN111211269B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209346A (en) * | 1979-02-08 | 1980-06-24 | King Roger A | Solar energy recharger |
| CN201845815U (en) * | 2010-06-08 | 2011-05-25 | 上海奕代汽车技术有限公司 | Lithium battery pack protection device and lithium battery pack |
| CN207217684U (en) * | 2017-09-20 | 2018-04-10 | 深圳市动力聚能科技有限公司 | A kind of high safety type lithium ion battery |
| CN209777236U (en) * | 2019-04-29 | 2019-12-13 | 深圳市中锂能源技术有限公司 | Lithium battery protection device |
-
2020
- 2020-03-09 CN CN202010158557.3A patent/CN111211269B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209346A (en) * | 1979-02-08 | 1980-06-24 | King Roger A | Solar energy recharger |
| CN201845815U (en) * | 2010-06-08 | 2011-05-25 | 上海奕代汽车技术有限公司 | Lithium battery pack protection device and lithium battery pack |
| CN207217684U (en) * | 2017-09-20 | 2018-04-10 | 深圳市动力聚能科技有限公司 | A kind of high safety type lithium ion battery |
| CN209777236U (en) * | 2019-04-29 | 2019-12-13 | 深圳市中锂能源技术有限公司 | Lithium battery protection device |
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| Publication number | Publication date |
|---|---|
| CN111211269A (en) | 2020-05-29 |
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Effective date of registration: 20221130 Address after: 453000 Xinxiang Chemical and physical power industrial park, east section of Chuangye Road, Xinxiang City, Henan Province Patentee after: HENAN LI-POWER SUPPLY Co.,Ltd. Address before: No.27, kongzun village, Huangchuan village, Xixi Town, Yongkang City, Jinhua City, Zhejiang Province Patentee before: Yongkangpozhang lithium battery technology Co.,Ltd. |