CN212033131U - Lithium battery pack with safety device - Google Patents
Lithium battery pack with safety device Download PDFInfo
- Publication number
- CN212033131U CN212033131U CN202020857685.2U CN202020857685U CN212033131U CN 212033131 U CN212033131 U CN 212033131U CN 202020857685 U CN202020857685 U CN 202020857685U CN 212033131 U CN212033131 U CN 212033131U
- Authority
- CN
- China
- Prior art keywords
- box
- fixedly connected
- cooler bin
- electrically conductive
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000004880 explosion Methods 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 11
- 238000003825 pressing Methods 0.000 description 9
- 230000005489 elastic deformation Effects 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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 lithium cell group with safeties, including top cap, box and cooler bin, the inside bottom fixedly connected with rubber pad of box, and the even fixedly connected with rubber baffle in top of rubber pad, the inside top of box is pasted and is had the sealing washer, and the top of box is provided with the top cap, the intermediate position department fixedly connected with cooler bin of top cap bottom, and the both ends utensil on cooler bin top has seted up annotates the liquid mouth, the intermediate position department of the positive upper end of box runs through there is the insurance structure. The utility model discloses a when taking place the short circuit, the increase of wire internal current produces a large amount of heats for thermal energy material thermal expansion promotes the push pedal motion, thereby drives the ejector pin top and moves and lead electrical pillar, makes to separate between conducting rod and the electrically conductive frame, thereby accomplishes the power-off protection, avoids lasting the circular telegram to cause the fire or the explosion to take place.
Description
Technical Field
The utility model relates to a lithium cell technical field specifically is a lithium cell group with safeties.
Background
Along with the development of electric motor car technique, because of the lithium cell has the advantage that the voltage is high, capacious, small, the quality is light, its inside storage battery of electric motor car changes gradually into and adopts lithium cell group power supply, but there are still many problems or defects in current lithium cell group:
first, traditional lithium cell group shock-absorbing capacity is weak, only leans on blotter or cardboard, can't effectually protect lithium cell group.
Secondly, traditional lithium cell group heat dispersion is poor, because lithium cell group needs seal installation, leads to the heat can't obtain effectual emission.
Thirdly, the conventional lithium battery pack lacks a safety device, and once the lithium battery pack is short-circuited and the like, the power failure cannot be timely performed to cause fire or explosion.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium cell group with safeties to the shock-absorbing capacity who proposes among the above-mentioned background art is weak, heat dispersion is poor and lack safeties's problem is solved.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell group with safeties, includes top cap, box and cooler bin, its characterized in that: the bottom fixedly connected with rubber pad inside the box, and the even fixedly connected with rubber baffle in top of rubber pad, the sealing washer is pasted on the inside top of box, and the top of box is provided with the top cap, the intermediate position department fixedly connected with cooler bin of top cap bottom, and the both ends utensil on cooler bin top has seted up annotates the liquid mouth, the intermediate position department of the positive upper end of box runs through there is the insurance structure.
Preferably, the middle position on top of the top cover is fixedly connected with a handle, and the outer wall of the handle is sleeved with a rubber ring.
Preferably, the equal fixedly connected with mounting panel of lower extreme of the inside both sides of box, and the mounting panel is close to one side fixedly connected with inflator of rubber partition, the inside intermediate position department sliding connection of inflator has the slide, and the slide keeps away from the even fixedly connected with in one side of rubber partition and the inside extrusion spring that links to each other of inflator, the slide is close to one side fixedly connected with of rubber partition and runs through the kicking block of inflator, and the kicking block is close to one side fixedly connected with clamp plate of rubber partition.
Preferably, the heat pipe has all been run through at the both ends of cooler bin bottom, and the even fixedly connected with compression spring in bottom of cooler bin, the intermediate position department on cooler bin top has run through the heat-conducting plate, and the even fixedly connected with in top of heat-conducting plate runs through the fin of top cap.
Preferably, the safety structure is internally provided with a protection box, a binding post, a reset spring, an ejector rod, an expansion box, a push plate, a conductive frame, a conductive rod and a conductive column in sequence, the protection box penetrates through the middle position at the upper end of the front surface of the box body, one side of the interior of the protection box, which is close to the box body, is fixedly connected with the expansion box, the middle position of the interior of the expansion box is connected with the push plate in a sliding manner, two ends, which are far away from one side of the box body, of the push plate are fixedly connected with the ejector rod which penetrates through the expansion box, the expansion box at the other side of the push plate is filled with a thermal expansion material, the middle position of the expansion box, which is far away from one side of the push plate, is fixedly connected with the conductive frame, one side, which is far away from the conductive rod, of the, and the middle position of one side of the conductive post, which is far away from the conductive rod, is fixedly connected with a binding post which penetrates through the protection box.
Preferably, the connecting pipe has all been run through to inflator top and bottom be close to mounting panel one side, and the one end fixedly connected with gasbag of connecting pipe, the both sides of gasbag respectively with mounting panel and clamp plate fixed connection, and the gasbag is kept away from one side of inflator and has been seted up the outlet duct.
Compared with the prior art, the beneficial effects of the utility model are that: the lithium battery pack has a reasonable structure and has the following advantages;
(1) the pressing plate pushes the sliding plate through the top block by impact force generated by vibration, so that the extrusion spring is driven to generate elastic deformation, gas in the gas cylinder is pushed into the gas bag through the connecting pipe and is released from the gas outlet pipe, so that buffering is performed under the elastic action of the extrusion spring, and the damage to the interior of the lithium battery caused by strong vibration is avoided;
(2) the heat conduction plate absorbs the heat in the box body and conducts the heat to the cold area liquid in the cooling box, and then the heat in the cooling liquid is absorbed by the heat conduction plate and is rapidly dissipated by the radiating fins, so that a set of thermal circulation flow is formed, and the heat dissipation of the lithium battery pack in the box body can be finished all the time;
(3) through being provided with push pedal, ejector pin, reset spring, conducting rod and electrically conductive frame, when taking place the short circuit, the increase of the inside current of wire produces a large amount of heats for thermal energy material promotes the push pedal motion by the thermal expansion, thereby drives the ejector pin top and moves and lead electrical pillar, and then drives reset spring and take place elastic deformation and shorten, finally drives and separates between conducting rod and the electrically conductive frame, thereby accomplishes the power-off protection, avoids lasting circular telegram and causes the emergence of a fire or explosion.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of a right-side sectional structure of the present invention;
FIG. 3 is an enlarged schematic view of part A of FIG. 1 according to the present invention;
fig. 4 is a schematic view of the safety structure according to the present invention.
In the figure: 1. a top cover; 2. a box body; 3. a rubber pad; 4. a rubber partition plate; 5. mounting a plate; 6. a compression spring; 7. a liquid injection port; 8. a heat conducting pipe; 9. a cooling tank; 10. a heat conducting plate; 11. a heat sink; 12. a rubber ring; 13. a handle; 14. a safety structure; 1401. a protection box; 1402. a binding post; 1403. a return spring; 1404. a top rod; 1405. an expansion tank; 1406. pushing the plate; 1407. a conductive frame; 1408. a conductive rod; 1409. a conductive post; 15. a connecting pipe; 16. an air bag; 17. an air outlet pipe; 18. an air cylinder; 19. pressing a plate; 20. a top block; 21. a slide plate; 22. compressing the spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a lithium battery pack with a safety device comprises a top cover 1, a box body 2 and a cooling box 9, wherein a rubber pad 3 is fixedly connected to the bottom end inside the box body 2, and a rubber partition plate 4 is uniformly and fixedly connected to the top end of the rubber pad 3;
the lower ends of two sides in the box body 2 are fixedly connected with mounting plates 5, one side of each mounting plate 5, which is close to the rubber partition plate 4, is fixedly connected with an air cylinder 18, the middle position in the air cylinder 18 is connected with a sliding plate 21 in a sliding manner, one side of each sliding plate 21, which is far away from the rubber partition plate 4, is uniformly and fixedly connected with an extrusion spring 22 connected with the inside of the air cylinder 18, one side of each sliding plate 21, which is close to the rubber partition plate 4, is fixedly connected with a top block 20 penetrating through the air cylinder 18, and one side of each top;
specifically, as shown in fig. 1 and 3, when the structure is used, firstly, an impact force generated by vibration acts between the pressing plate 19 and the lithium battery, so that the pressing plate 19 pushes the sliding plate 21 through the top block 20, and the pressing spring 22 is driven to generate elastic deformation, and then buffering is performed under the elastic action of the pressing spring 22;
a connecting pipe 15 penetrates through one side of the top end and the bottom end of the air cylinder 18 close to the mounting plate 5, an air bag 16 is fixedly connected to one end of the connecting pipe 15, two sides of the air bag 16 are fixedly connected with the mounting plate 5 and the pressing plate 19 respectively, and an air outlet pipe 17 is arranged on one side of the air bag 16 far away from the air cylinder 18;
specifically, as shown in fig. 1 and 3, when the structure is used, the gas inside the gas cylinder 18 is firstly pushed to the inside of the airbag 16 through the connecting pipe 15 by the movement of the slide plate 21 and is released from the gas outlet pipe 17, so that the excessive pressure inside the gas cylinder 18 is avoided;
a sealing ring is stuck at the top end inside the box body 2, and a top cover 1 is arranged at the top end of the box body 2;
a lifting handle 13 is fixedly connected to the middle position of the top end of the top cover 1, and a rubber ring 12 is sleeved on the outer wall of the lifting handle 13;
specifically, as shown in fig. 1 and 2, when the structure is used, the rubber ring 12 is firstly held, and the handle 13 is pulled upwards, so that the top cover 1 is convenient to open;
a cooling box 9 is fixedly connected to the middle position of the bottom end of the top cover 1, and liquid injection ports 7 are formed in two ends of the top end of the cooling box 9;
the two ends of the bottom end of the cooling box 9 are both penetrated with heat conducting pipes 8, the bottom end of the cooling box 9 is uniformly and fixedly connected with compression springs 6, a heat conducting plate 10 is penetrated through the middle position of the top end of the cooling box 9, and the top end of the heat conducting plate 10 is uniformly and fixedly connected with radiating fins 11 penetrating through the top cover 1;
specifically, as shown in fig. 1 and 2, when the structure is used, firstly, heat inside the box body 2 is absorbed through the heat conduction pipe 8, the heat is conducted to cold area liquid inside the cooling box 9, then, the heat in the cooling liquid is absorbed through the heat conduction plate 10, and the heat is rapidly dissipated through the heat dissipation fins 11, so that a set of heat circulation flow is formed, and the heat dissipation of the lithium battery pack is facilitated;
a safety structure 14 penetrates through the middle position of the upper end of the front surface of the box body 2;
the safety structure 14 is internally provided with a protection box 1401, a terminal 1402, a reset spring 1403, a top rod 1404, an expansion box 1405, a push plate 1406, a conductive frame 1407, a conductive rod 1408 and a conductive column 1409 in sequence, wherein the protection box 1401 penetrates through the middle position of the upper end of the front surface of the box body 2, one side of the protection box 1401 close to the box body 2 is fixedly connected with the expansion box 1405, the middle position of the inside of the expansion box 1405 is connected with the push plate 1406 in a sliding manner, the two ends of one side of the push plate 1406 far away from the box body 2 are fixedly connected with the top rod 1404 penetrating through the expansion box 1405, the expansion box 1405 at the other side of the push plate 1406 is filled with a thermal expansion material, the middle position of one side of the expansion box 1405 far away from the push plate 1406 is fixedly connected with the conductive frame 1407, one side of the inside of the protection box 1401 far away from the box 2 is connected with the conductive column 1409 in a sliding manner, one side of the conductive, the middle position of one side of the conductive post 1409 far away from the conductive rod 1408 is fixedly connected with a post 1402 penetrating through the protection box 1401;
specifically, as shown in fig. 1, fig. 2 and fig. 4, when the structure is used, a large amount of heat is generated by increasing the current inside the wire, so that the thermal expansion material is heated and expanded to push the push plate 1406 to move, thereby driving the ejector rod 1404 to push the conductive column 1409, further driving the return spring 1403 to elastically deform and shorten, and finally driving the conductive rod 1408 and the conductive frame 1407 to separate from each other, thereby facilitating the completion of power-off protection.
The working principle is as follows: when the device is used, firstly, fixing bolts on the surface of the top cover 1 are unscrewed, the rubber ring 12 is held, the lifting handle 13 is pulled upwards, so that the top cover 1 is convenient to open, a lithium battery is placed between the rubber partition plates 4 at the top end of the rubber pad 3, the lithium battery is connected with the safety structure 14 through a wire, and the top cover 1 is covered again to form sealing after the installation is finished;
when external vibration is applied, impact force generated by the vibration acts between the pressing plate 19 and the lithium battery, so that the pressing plate 19 pushes the sliding plate 21 through the top block 20, thereby driving the extrusion spring 22 to generate elastic deformation, pushing the gas in the gas cylinder 18 to the inside of the gas bag 16 through the connecting pipe 15, and releasing the gas from the gas outlet pipe 17, thereby performing buffering under the elastic action of the extrusion spring 22;
when the heat-conducting cooling box works, heat in the box body 2 is absorbed by the heat-conducting pipe 8, the heat is conducted to cold area liquid in the cooling box 9, the heat in the cooling liquid is absorbed by the heat-conducting plate 10, and the heat is rapidly dissipated by the heat-dissipating fins 11, so that a set of heat circulation flow is formed;
when the lithium cell group takes place the short circuit, the inside electric current increase of wire produces a large amount of heats for thermal expansion material is heated the inflation and is promoted push pedal 1406 and move, thereby drives ejector pin 1404 and pushes away and lead electrical pillar 1409, and then drives reset spring 1403 and take place elastic deformation and shorten, finally drives and separates between conducting rod 1408 and the conducting frame 1407, thereby accomplishes the power-off protection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lithium cell group with safeties, includes top cap (1), box (2) and cooler bin (9), its characterized in that: the utility model discloses a safe box, including box (2), the even fixedly connected with rubber pad (3) in bottom fixedly connected with rubber pad (3) inside box (2), and the even fixedly connected with rubber baffle (4) in top of rubber pad (3), the inside top of box (2) is pasted and is had the sealing washer, and the top of box (2) is provided with top cap (1), the intermediate position department fixedly connected with cooler bin (9) of top cap (1) bottom, and the both ends utensil on cooler bin (9) top have seted up notes liquid mouth (7), box (2) openly upper end intermediate position department runs through has insurance structure (14).
2. The lithium battery pack with a safety device as claimed in claim 1, wherein: the middle position department fixedly connected with handle (13) on top cap (1) top, and the outer wall cover of handle (13) is equipped with rubber circle (12).
3. The lithium battery pack with a safety device as claimed in claim 1, wherein: the equal fixedly connected with mounting panel (5) of lower extreme of box (2) inside both sides, and one side fixedly connected with inflator (18) that mounting panel (5) are close to rubber partition (4), the inside intermediate position department sliding connection of inflator (18) has slide (21), and slide (21) keep away from the even fixedly connected with in one side of rubber partition (4) and the inside extrusion spring (22) that links to each other of inflator (18), one side fixedly connected with that slide (21) are close to rubber partition (4) runs through kicking block (20) of inflator (18), and kicking block (20) are close to one side fixedly connected with clamp plate (19) of rubber partition (4).
4. The lithium battery pack with a safety device as claimed in claim 1, wherein: the heat pipe (8) have all been run through at the both ends of cooler bin (9) bottom, and the even fixedly connected with compression spring (6) in bottom of cooler bin (9), the intermediate position department on cooler bin (9) top runs through has heat-conducting plate (10), and the even fixedly connected with in top of heat-conducting plate (10) runs through fin (11) of top cap (1).
5. The lithium battery pack with a safety device as claimed in claim 1, wherein: the safety structure (14) is internally provided with a protection box (1401), a binding post (1402), a reset spring (1403), a mandril (1404), an expansion box (1405), a push plate (1406), a conductive frame (1407), a conductive rod (1408) and a conductive column (1409) in sequence, the protection box (1401) penetrates through the middle position of the upper end of the front face of the box body (2), one side of the protection box (1401) close to the box body (2) is fixedly connected with the expansion box (1405), the middle position of the expansion box (1405) is connected with the push plate (1406) in a sliding manner, two ends of the push plate (1406) far away from one side of the box body (2) are fixedly connected with the mandril (1404) penetrating through the expansion box (1405), the expansion box (1405) on the other side of the push plate (1406) is filled with a thermal expansion material, and the middle position of the expansion box (1405) far away from one side of the push plate, the inside one side sliding connection who keeps away from box (2) of guard box (1401) has electrically conductive post (1409), and electrically conductive post (1408) of one side fixedly connected with that electrically conductive frame (1407) is close to in electrically conductive post (1409), the even fixedly connected with of one side that electrically conductive post (1408) was kept away from in electrically conductive post (1409) has reset spring (1403) that links to each other with guard box (1401), and electrically conductive post (1409) keep away from intermediate position department fixedly connected with that electrically conductive post (1408) one side run through guard box (1401).
6. A lithium battery pack with a safety device according to claim 3, characterized in that: inflator (18) top and bottom are close to all running through of mounting panel (5) one side and have connecting pipe (15), and the one end fixedly connected with gasbag (16) of connecting pipe (15), the both sides of gasbag (16) respectively with mounting panel (5) and clamp plate (19) fixed connection, and gasbag (16) keep away from one side of inflator (18) and seted up outlet duct (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857685.2U CN212033131U (en) | 2020-05-21 | 2020-05-21 | Lithium battery pack with safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857685.2U CN212033131U (en) | 2020-05-21 | 2020-05-21 | Lithium battery pack with safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212033131U true CN212033131U (en) | 2020-11-27 |
Family
ID=73480924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857685.2U Expired - Fee Related CN212033131U (en) | 2020-05-21 | 2020-05-21 | Lithium battery pack with safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212033131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437424A (en) * | 2021-07-01 | 2021-09-24 | 吴露依 | Monomer formula lithium cell group of new energy automobile |
| CN116581465A (en) * | 2023-07-14 | 2023-08-11 | 博鼎储能科技(山东)有限公司 | Packaging device of electrochemical energy storage device |
-
2020
- 2020-05-21 CN CN202020857685.2U patent/CN212033131U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437424A (en) * | 2021-07-01 | 2021-09-24 | 吴露依 | Monomer formula lithium cell group of new energy automobile |
| CN113437424B (en) * | 2021-07-01 | 2023-09-15 | 湖南兆科动力新能源有限公司 | Single lithium battery pack of new energy automobile |
| CN116581465A (en) * | 2023-07-14 | 2023-08-11 | 博鼎储能科技(山东)有限公司 | Packaging device of electrochemical energy storage device |
| CN116581465B (en) * | 2023-07-14 | 2023-09-12 | 博鼎储能科技(山东)有限公司 | Packaging device of electrochemical energy storage device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |