CN218414757U

CN218414757U - Lithium battery structure with stable lithium battery core installation

Info

Publication number: CN218414757U
Application number: CN202222445963.5U
Authority: CN
Inventors: 廖红梅; 李林辉; 李芬
Original assignee: Shenzhen Zhizi Energy Technology Co ltd
Current assignee: Shenzhen Zhizi Energy Technology Co ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-31
Anticipated expiration: 2032-09-15

Abstract

The utility model relates to a lithium cell technical field just discloses a lithium cell structure that lithium cell installation is stable, including protecting the skin, insulating inlayer has been placed in the protection skin, two electric cores have been placed in the insulating inlayer, the last side wall fixedly connected with closing cap of insulating inlayer, the last side wall fixedly connected with electrode of electric core, the closing cap is passed to the upper end of electrode, be equipped with the screwed pipe in the protection skin, the right side wall fixedly connected with bin of protection skin. The utility model can automatically and rapidly discharge the heat accumulated in the lithium battery when the temperature in the lithium battery is too high; when external environment temperature is lower, heat the heat preservation to the lithium cell automatically, guaranteed the normal power supply of lithium cell and can avoid the moisture in the air to get into the lithium cell along the outer gap of protection inside, cause the problem of erosion to lithium cell inner structure.

Description

Lithium battery structure with stable lithium battery core installation

Technical Field

The utility model relates to a lithium cell technical field especially relates to a stable lithium cell structure of lithium cell installation.

Background

Lithium batteries are rechargeable batteries that use graphite or other carbon materials as the negative electrode and lithium-containing compounds as the positive electrode. It is a kind of battery using lithium metal or lithium alloy as positive/negative electrode material and using non-aqueous electrolyte solution.

In a lithium battery with a dual-battery-core structure disclosed in patent publication No. CN 216980735U, the device has the following disadvantages when in use: the number of the electric cores in the lithium battery is two, after the lithium battery works for a long time, the heat accumulated in the lithium battery is large, and the heat is difficult to be quickly discharged by depending on the heat dissipation capacity of the lithium battery; and when the lithium cell was used under the low temperature state, the lithium cell can produce the unusual condition of power supply, and the long-time life that also can greatly reduced the lithium cell of lithium cell under the low temperature state.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the number of the electric cores in the lithium battery in the prior art is two, after the lithium battery works for a long time, the heat accumulated in the lithium battery is very large, and the heat is difficult to be quickly discharged out by depending on the heat dissipation capacity of the lithium battery; and the lithium cell when using under low temperature state, the lithium cell can produce the unusual condition of power supply, and the lithium cell also can greatly reduced lithium cell life's problem for a long time under low temperature state, and the stable lithium cell structure of lithium cell installation that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium cell structure that lithium cell installation is stable, is outer including the protection, the insulating inlayer has been placed in the protection skin, two electric cores have been placed in the insulating inlayer, the last side wall fixedly connected with closing cap on insulating inlayer, the last side wall fixedly connected with electrode of electric core, the closing cap is passed to the upper end of electrode, be equipped with the screwed pipe in the protection skin, the right side wall fixedly connected with bin on protection skin, the inner wall fixedly connected with pump machine of bin, the output of pump machine runs through the lateral wall of protection skin and bin and with the fixed intercommunication of screwed pipe, the upper end of screwed pipe and the fixed intercommunication of the lateral wall of bin, many heater strips of inner wall fixedly connected with and a plurality of semiconductor refrigeration board of bin, it places the chamber to have seted up in the protection skin, the inner wall fixedly connected with sealed tube and the sealed tube in placing the chamber have the closing plate, the right side packing of closing plate has kerosene, the left side wall fixedly connected with telescopic link, the left end of telescopic link stretches out sealed tube and fixedly connected with conducting block, the upside inner wall fixedly connected with two conducting plates of placing the chamber is located the left side the current conducting plate and pump machine, semiconductor, right side are located heater strip and pump machine, electric connection.

Preferably, the lower side wall of the insulating inner layer is fixedly connected with two conical seats, and the inner wall of the protective outer layer is provided with two conical grooves matched with the conical seats.

Adopt above-mentioned technical scheme: the stability of placing of insulating inlayer 2 is improved to improve electric core 3's stability.

Preferably, the outer protection layer and the upper side wall of the sealing plate are fixedly connected with a reinforcing ring through bolts.

Adopt above-mentioned technical scheme: the stability of placing of electric core 3 in protection skin 1 has been improved.

Preferably, the lower side wall of the reinforcing ring is provided with a moisture-proof plate.

Adopt above-mentioned technical scheme: the problem that moisture in the air enters the lithium battery along the gap of the protective outer layer 1 to corrode the internal structure of the lithium battery can be avoided.

Preferably, the upper side wall of the sealing cover is sleeved with a protective cover covering the electrode.

Adopt above-mentioned technical scheme: the electrode 5 can be protected.

Compared with the prior art, the utility model provides a stable lithium cell structure of lithium cell installation possesses following beneficial effect:

1. according to the lithium battery structure with the stable lithium battery core, the protection outer layer, the insulation inner layer, the battery core, the seal cover, the electrode, the threaded pipe, the storage box, the pump, the heating wire, the semiconductor refrigeration plate, the placing cavity, the sealing barrel, the sealing plate, the telescopic rod, the conductive block and the conductive plate are arranged, so that when the temperature in the lithium battery is too high, heat accumulated in the lithium battery can be automatically and quickly discharged; when the external environment temperature is lower, the lithium battery is automatically heated and insulated, and the normal power supply of the lithium battery is ensured.

2. This lithium cell structure that lithium cell installation is stable through the dampproofing board that sets up, can avoid the moisture in the air to get into the lithium cell along the outer gap of protection inside, causes the problem of erosion to lithium cell inner structure.

The part which is not involved in the device is the same as the prior art or can be realized by adopting the prior art, and the utility model can automatically and quickly discharge the heat accumulated in the lithium battery when the temperature in the lithium battery is overhigh; when external environment temperature is lower, heat preservation is heated to the lithium cell automatically, has guaranteed the normal power supply of lithium cell and can avoid the moisture in the air to get into the lithium cell along the outer gap of protection inside, causes the problem of erosion to lithium cell inner structure.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery structure with a stable lithium battery cell installation provided by the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. an outer protective layer; 2. an insulating inner layer; 3. an electric core; 4. sealing the cover; 5. an electrode; 6. a threaded pipe; 7. a storage tank; 8. a pump machine; 9. heating wires; 10. a semiconductor refrigeration plate; 11. a placement chamber; 12. a sealing cylinder; 13. a sealing plate; 14. a telescopic rod; 15. a conductive block; 16. a conductive plate; 17. a conical seat; 18. a reinforcing ring; 19. a moisture-proof plate; 20. a protective cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-2, a lithium battery structure that lithium cell installation is stable, including protecting outer 1, insulating inlayer 2 has been placed in protecting outer 1, two electric cores 3 have been placed in insulating inlayer 2, the last lateral wall fixedly connected with closing cap 4 of insulating inlayer 2, the last lateral wall cover of closing cap 4 is equipped with the visor 20 of covering outside electrode 5, can protect electrode 5, the last lateral wall fixedly connected with electrode 5 of electric core 3, closing cap 4 is passed to electrode 5's upper end, be equipped with screwed pipe 6 in the protection outer 1, the right side wall fixedly connected with bin 7 of protection outer 1, the inner wall fixedly connected with pump machine 8 of bin 7, the output of pump machine 8 runs through the lateral wall of protection outer 1 and bin 7 and with screwed pipe 6 fixed intercommunication, the upper end of screwed pipe 6 and the lateral wall fixed intercommunication of bin 7, the inner wall fixedly connected with many heater strips 9 and the multiple semiconductor refrigeration boards 10 of the inner wall of bin 7, it places chamber 11 to have been seted up in the protection outer 1, the inner wall fixedly connected with sealed 12 of placing chamber 11 and sealed cylinder 12 has kerosene 13, the right side fixedly connected with seal board 14 of seal board has sealed gasket board 14, the left side fixedly connected with pump machine 16 and the sealed electrical property block 16 and the sealed electrical connection of sealed electrical connector 16 of sealed cylinder 16 and the conductive board 16 of the sealed electrical connector of sealed electrical connector 16.

Two conical seat 17 of lower lateral wall fixedly connected with of insulating inlayer 2, two conical grooves that match each other with conical seat 17 have been seted up to the inner wall of protection skin 1, have improved the stability that insulating inlayer 2 placed to improve electric core 3's stability.

The upper side wall of the outer layer 1 and the sealing cover 4 is fixedly connected with a reinforcing ring 18 through bolts, so that the connection strength between the outer layer 1 and the sealing cover 4 is improved, and the stability of the battery cell 3 placed in the outer layer 1 is improved. The lower side wall of the reinforcing ring 18 is provided with a moisture-proof plate 19, so that the problem of erosion of the internal structure of the lithium battery caused by the fact that moisture in the air enters the lithium battery along the gap of the protective outer layer 1 can be avoided.

The utility model discloses in, during the use, when 3 inside heats of electricity core are too high, the kerosene on closing plate 13 right side can expand, kerosene can promote closing plate 13 and telescopic link 14 and remove, telescopic link 14 drives conducting block 15 and left current conducting plate 16 contact, conducting block 15 and external power source electric connection, thereby intercommunication pump machine 8 and the work of semiconductor refrigeration board 10, make the liquid temperature step-down in the bin 7, and carry liquid through pump machine 8 in screwed pipe 6, make the inside temperature step-down of lithium cell, when external temperature crosses lowly, the kerosene volume can compress, thereby make conducting block 15 and the work of current conducting plate 16 on right side, make heater strip 9 and pump machine 8 work, carry the higher liquid of temperature in screwed pipe 6, heat preservation is heated to the lithium cell automatically, the normal power supply of lithium cell has been guaranteed.

In general, the technical problem is addressed: the number of the electric cores in the lithium battery is two, after the lithium battery works for a long time, the heat accumulated in the lithium battery is large, and the heat is difficult to be quickly discharged by depending on the heat dissipation capacity of the lithium battery; when the lithium battery is used in a low-temperature state, the lithium battery can generate abnormal power supply, and the service life of the lithium battery can be greatly shortened for a long time in the low-temperature state; the technical scheme is as follows: a lithium battery structure with a stably-installed lithium battery core comprises a protective outer layer, wherein an insulating inner layer is arranged in the protective outer layer, two battery cores are arranged in the insulating inner layer, a sealing cover is fixedly connected to the upper side wall of the insulating inner layer, an electrode is fixedly connected to the upper side wall of each battery core, and the upper end of the electrode penetrates through the sealing cover; the technical scheme is implemented by the following steps: when the heat in the battery cell 3 is too high, the kerosene on the right side of the sealing plate 13 expands, the kerosene can push the sealing plate 13 and the telescopic rod 14 to move, the telescopic rod 14 drives the conductive block 15 to contact with the left conductive plate 16, the conductive block 15 is electrically connected with an external power supply, so that the pump 8 and the semiconductor refrigeration plate 10 are communicated to work, the temperature of liquid in the storage tank 7 is lowered, the liquid is conveyed into the threaded pipe 6 through the pump 8, the internal temperature of the lithium battery is lowered, when the external temperature is too low, the volume of the kerosene is compressed, the conductive block 15 and the right conductive plate 16 work, the heating wire 9 and the pump 8 work, the liquid with higher temperature is conveyed into the threaded pipe 6, the lithium battery is automatically heated and insulated, and the normal power supply of the lithium battery is ensured; therefore, the technical problem can be solved certainly, and the technical effects are as follows: when the temperature in the lithium battery is too high, the heat accumulated in the lithium battery can be automatically and quickly discharged; when the external environment temperature is lower, the lithium battery is automatically heated and insulated, and the normal power supply of the lithium battery is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a lithium battery structure that lithium cell installation is stable, includes protection skin (1), its characterized in that, place insulating inlayer (2) in protection skin (1), place two electric cores (3) in insulating inlayer (2), the last side wall fixedly connected with closing cap (4) of insulating inlayer (2), the last side wall fixedly connected with electrode (5) of electric core (3), closing cap (4) are passed to the upper end of electrode (5), be equipped with screwed pipe (6) in protection skin (1), the right side wall fixedly connected with bin (7) of protection skin (1), the inner wall fixedly connected with pump machine (8) of bin (7), the output of pump machine (8) runs through the lateral wall of protection skin (1) and bin (7) and with screwed pipe (6) fixed intercommunication, the lateral wall fixed intercommunication of the upper end of screwed pipe (6) and bin (7), the inner wall fixedly connected with many root canal heater strips (9) and a plurality of semiconductor refrigeration boards (10) of bin (7), it places chamber (11) to open in protection skin (1), the sealed the sealing plate (12) that the inner wall fixedly connected with sealing plate (13) has sealed the cartridge (12) of sealing connection has been connected with the right side, the left side wall fixedly connected with telescopic link (14) of closing plate (13), the left end of telescopic link (14) stretches out sealed section of thick bamboo (12) and fixedly connected with conducting block (15), place two conducting plates (16) of upside inner wall fixedly connected with in chamber (11), be located the left side conducting plate (16) and pump machine (8), semiconductor refrigeration board (10) electric connection are located the right side conducting plate (16) and pump machine (8), heater strip (9) electric connection.

2. The lithium battery structure with the lithium battery cell stably installed according to claim 1, wherein the lower side wall of the insulating inner layer (2) is fixedly connected with two conical seats (17), and the inner wall of the protective outer layer (1) is provided with two conical grooves matched with the conical seats (17).

3. The lithium battery structure with stable lithium battery cell installation according to claim 1, wherein the protective outer layer (1) and the upper side wall of the sealing plate are fixedly connected with a reinforcing ring (18) through bolts.

4. The lithium battery structure with stable lithium battery cell installation according to claim 3, wherein the lower side wall of the reinforcing ring (18) is provided with a moisture-proof plate (19).

5. The lithium battery structure with the lithium battery cell stably installed according to claim 1, wherein the upper side wall of the sealing cover (4) is sleeved with a protective cover (20) covering the electrode (5).