CN213425076U

CN213425076U - Electrochemical energy storage device

Info

Publication number: CN213425076U
Application number: CN202022050056.1U
Authority: CN
Inventors: 曾涛
Original assignee: Hunan Kaichen New Material Co Ltd
Current assignee: Hunan Hengyouneng Technology Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-11
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses an electrochemistry energy memory relates to energy memory technical field, including casing and vacuum auxiliary fittings, the inside of casing is equipped with seals plug, core package and sticky tape, seal the middle part of plug and seted up the lead-out wire through-hole, the positive lead-out wire of the top fixedly connected with of core package and burden lead-out wire, positive lead-out wire and burden lead-out wire all run through the outside of sealing plug to casing through the lead-out wire through-hole, the top outside of casing is equipped with sealed position, the top of casing is equipped with sealed fixed edge, vacuum auxiliary fittings comprises depression bar, exhaust tube, vacuum cavity, the spacing ejector pin of plug and sealing washer, the inside at vacuum cavity of the spacing ejector pin fixed connection of plug, depression bar fixed connection is at vacuum cavity's top middle part. The utility model discloses, solved the problem that great influence life, security performance and casing fragile deformation were pressed in current electrochemistry energy storage device.

Description

Electrochemical energy storage device

Technical Field

The utility model relates to an energy storage device technical field, more specifically relate to an electrochemistry energy storage device.

Background

The conventional energy storage device is directly sealed after liquid injection, gas is generated during battery formation to form internal pressure, the influence on safety performance is large, the internal pressure can be increased in the battery circulation process, the battery circulation life is shortened, and a shell is easy to damage and deform during manufacturing.

Therefore, there is a need for an electrochemical energy storage device that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: in order to solve the problem that great influence life, security performance in current electrochemistry energy memory pressed and the problem that the casing fragile deformation, the utility model provides an electrochemistry energy memory.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

an electrochemical energy storage device comprises a shell and a vacuum auxiliary accessory, wherein a sealing rubber plug, a core bag and an adhesive tape are arranged inside the shell, the middle part of the sealing rubber plug is provided with a lead-out wire through hole, the top end of the core bag is fixedly connected with a positive lead-out wire and a negative lead-out wire, the positive lead wire and the negative lead wire penetrate through the sealing rubber plug to the outer side of the shell through the lead wire through hole, the outer side of the top end of the shell is provided with a sealing position, the top end of the shell is provided with a sealing fixing edge, the vacuum auxiliary fitting is composed of a pressure rod, an exhaust tube, a vacuum cavity, a rubber plug limiting ejector rod and a sealing ring, the rubber plug limiting ejector rod is fixedly connected inside the vacuum cavity, the pressure rod is fixedly connected in the middle of the top end of the vacuum cavity, the vacuum pump is characterized in that a limiting groove is formed in the inner side of the bottom end of the vacuum cavity, the sealing ring is fixedly connected in the limiting groove, and the exhaust pipe is arranged on one side of the top end of the vacuum cavity.

Further, the adhesive tape wraps the outer side of the core bag, the sealing rubber plug is arranged at the top end of the core bag, and the sum of the heights of the sealing rubber plug and the core bag is smaller than the height of the shell.

Furthermore, the inner diameter of the vacuum cavity is matched with the diameter of the shell, and the limiting groove is matched with the sealing and fixing edge.

Furthermore, the length of the rubber plug limiting ejector rod is equal to the sum of the heights of the vacuum cavity and the sealing fixing edge, and the lengths of the positive outgoing line and the negative outgoing line are smaller than the height of the vacuum cavity.

Furthermore, the position of the sealing position corresponds to the position of the sealing rubber plug.

Furthermore, one end, far away from the vacuum cavity, of the exhaust pipe is connected with a vacuum machine, and the vacuum cavity is connected with the shell in a sealing mode through a sealing ring.

Further, the top of depression bar is equipped with the movable rod, the spout has been seted up to the inside of movable rod, the inside of spout is equipped with spring and slider.

Furthermore, the pressing rod is fixedly connected with the sliding block, the spring is arranged on one side, far away from the pressing rod, of the sliding block, and the sliding block is connected with the movable rod in a sliding mode.

(III) advantageous effects

The utility model has the advantages as follows:

1. the utility model discloses, through setting up sealed fixed edge, casing, depression bar and vacuum auxiliary assembly, take out the casing internal gas through vacuum auxiliary assembly, the gas that produces when the battery becomes can balance with the vacuum of current casing intracavity formation, because of the security performance greatly reduced that gas expansion exists, increase battery cycle life, solved interior pressure great influence life and security performance's problem.

2. The utility model discloses, through setting up movable rod, spring, spout and slider, under the cushioning effect of spring, make the vacuum cavity can not damage the deformation because of the great casing that leads to of pressure, solved the problem that the casing fragile warp.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present invention;

fig. 2 is an unsealed cross-sectional schematic view of the electrochemical energy storage device of the present invention;

FIG. 3 is a schematic front view of the sealing rubber plug of the present invention;

FIG. 4 is a schematic sectional view of the structure of the present invention;

FIG. 5 is a schematic cross-sectional view of a vacuum assist assembly of the present invention;

fig. 6 is a schematic cross-sectional view of the electrochemical energy storage device according to the present invention after sealing.

Reference numerals: 1. a positive lead-out wire; 2. a negative lead-out wire; 3. sealing the fixing edge; 4. a housing; 5. sealing the rubber plug; 6. a core package; 7. an adhesive tape; 8. a pressure lever; 9. an air exhaust pipe; 10. a vacuum chamber; 11. a rubber plug limiting ejector rod; 12. sealing the position; 13. a limiting groove; 14. lead-out wire through holes; 15. a vacuum assist fitting; 16. a seal ring; 17. a movable rod; 18. a spring; 19. A chute; 20. a slide block.

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.

Example 1

Referring to fig. 1-6, an electrochemical energy storage device includes a housing 4 and a vacuum auxiliary fitting 15, a sealing rubber plug 5, a core package 6 and an adhesive tape 7 are disposed inside the housing 4, the adhesive tape 7 is wrapped outside the core package 6, the sealing rubber plug 5 is disposed on the top end of the core package 6, the sum of the heights of the sealing rubber plug 5 and the core package 6 is less than the height of the housing 4, an outgoing line through hole 14 is disposed in the middle of the sealing rubber plug 5, a positive outgoing line 1 and a negative outgoing line 2 are fixedly connected to the top end of the core package 6, the positive outgoing line 1 and the negative outgoing line 2 both penetrate through the sealing rubber plug 5 to the outside of the housing 4 through the outgoing line through hole 14, a sealing position 12 is disposed outside the top end of the housing 4, the sealing position 12 corresponds to the sealing rubber plug 5, a sealing fixing edge 3 is disposed on the top end of the, Spacing ejector pin 11 of plug and sealing washer 16 are constituteed, spacing ejector pin 11 fixed connection of plug is in the inside of vacuum cavity 10, the length of spacing ejector pin 11 of plug equals vacuum cavity 10 and the sealed high sum of fixing along 3, the length of positive lead-out wire 1 and negative lead-out wire 2 is less than the height of vacuum cavity 10, depression bar 8 fixed connection is at the top middle part of vacuum cavity 10, spacing groove 13 has been seted up to vacuum cavity 10's bottom inboard, sealing washer 16 fixed connection is in spacing groove 13, the internal diameter of vacuum cavity 10 and the diameter looks adaptation of casing 4, spacing groove 13 and sealed fixed along 3 looks adaptations, exhaust tube 9 is established in vacuum cavity 10's top one side, the one end that vacuum cavity 10 was kept away from to exhaust tube 9 is connected with the vacuum machine, vacuum cavity 10 passes through sealing washer 16 and casing 4 sealing.

In the embodiment, by arranging the sealing and fixing edge 3, the shell 4, the pressure lever 8 and the vacuum auxiliary accessory 15, in the manufacturing process of the electrochemical energy storage device, the core package 6 wound with the positive outgoing line 1 and the negative outgoing line 2 is firstly placed in the shell 4, the positive outgoing line 1 and the negative outgoing line 2 are enabled to pass through the outgoing line through hole 14 of the sealing rubber plug 5 to the outer side of the shell 4, the limiting groove 13 of the vacuum cavity 10 and the sealing and fixing edge 3 of the shell 4 are enabled to be aligned, then the pressure lever 8 is pressed downwards, the vacuum cavity 10 is hermetically connected with the shell 4 under the action of the sealing ring 16, then air in the vacuum cavity 10 and the shell 4 is pumped out through the air exhaust pipe 9 by a vacuum machine, then the sealing position 12 is squeezed mechanically, the electrochemical energy storage device is sealed under the action of the sealing rubber plug 5, then the air is injected through the air exhaust pipe 9 to release the, make the separation of vacuum auxiliary assembly 15 and electrochemistry energy memory, then seal sealedly along 3 sealed fixed, the gas that produces when the battery formation can be balanced with the vacuum that has 4 intracavity formations of current casing, because of the security performance greatly reduced that gas expansion exists, increases battery cycle life, has solved the great problem that influences life and security performance of interior pressure.

Example 2

Referring to fig. 5, the present embodiment is further optimized based on embodiment 1, specifically, a movable rod 17 is disposed at the top end of the pressing rod 8, a sliding slot 19 is disposed inside the movable rod 17, and a spring 18 and a slider 20 are disposed inside the sliding slot 19.

Specifically, the pressing rod 8 is fixedly connected with the sliding block 20, the spring 18 is arranged on one side of the sliding block 20 far away from the pressing rod 8, and the sliding block 20 is connected with the movable rod 17 in a sliding mode.

In this embodiment, by arranging the movable rod 17, the spring 18, the sliding groove 19 and the sliding block 20, when the vacuum auxiliary fitting 15 is butted with the housing 4, the vacuum chamber 10 is prevented from being damaged and deformed due to the large pressure of the housing 4 under the buffer action of the spring 18, and the problem that the housing 4 is easily damaged and deformed is solved.

In summary, the following steps: the utility model discloses, solved the problem that great influence life, security performance and casing fragile deformation were pressed in current electrochemistry energy storage device.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrochemical energy storage device comprising a housing (4) and a vacuum assist fitting (15), characterized in that: the vacuum sealing device is characterized in that a sealing rubber plug (5), a core bag (6) and an adhesive tape (7) are arranged in the shell (4), an outgoing line through hole (14) is formed in the middle of the sealing rubber plug (5), a positive outgoing line (1) and a negative outgoing line (2) are fixedly connected to the top end of the core bag (6), the positive outgoing line (1) and the negative outgoing line (2) penetrate through the sealing rubber plug (5) to the outer side of the shell (4) through the outgoing line through hole (14), a sealing position (12) is arranged on the outer side of the top end of the shell (4), a sealing fixing edge (3) is arranged on the top end of the shell (4), a vacuum auxiliary fitting (15) is composed of a pressing rod (8), an exhaust tube (9), a vacuum cavity (10), a rubber plug limiting ejector rod (11) and a sealing ring (16), the pressing rod (8) is fixedly connected to the middle of the top end of the vacuum cavity (10, a limiting groove (13) is formed in the inner side of the bottom end of the vacuum cavity (10), the sealing ring (16) is fixedly connected into the limiting groove (13), and the exhaust tube (9) is arranged on one side of the top end of the vacuum cavity (10).

2. An electrochemical energy storage device as in claim 1, wherein: the adhesive tape (7) is wrapped on the outer side of the core bag (6), the sealing rubber plug (5) is arranged at the top end of the core bag (6), and the sum of the heights of the sealing rubber plug (5) and the core bag (6) is smaller than the height of the shell (4).

3. An electrochemical energy storage device as in claim 1, wherein: the inner diameter of the vacuum cavity (10) is matched with the diameter of the shell (4), and the limiting groove (13) is matched with the sealing fixing edge (3).

4. An electrochemical energy storage device as in claim 1, wherein: the length of the rubber plug limiting ejector rod (11) is equal to the sum of the height of the vacuum cavity (10) and the height of the sealing fixing edge (3), and the length of the positive outgoing line (1) and the length of the negative outgoing line (2) are smaller than the height of the vacuum cavity (10).

5. An electrochemical energy storage device as in claim 1, wherein: the sealing position (12) is arranged at a position corresponding to the position of the sealing rubber plug (5).

6. An electrochemical energy storage device as in claim 1, wherein: one end, far away from the vacuum cavity (10), of the exhaust pipe (9) is connected with a vacuum machine, and the vacuum cavity (10) is connected with the shell (4) in a sealing mode through a sealing ring (16).

7. An electrochemical energy storage device as in claim 1, wherein: the top of depression bar (8) is equipped with movable rod (17), spout (19) have been seted up to the inside of movable rod (17), the inside of spout (19) is equipped with spring (18) and slider (20).

8. An electrochemical energy storage device as in claim 7, wherein: the pressing rod (8) is fixedly connected with the sliding block (20), the spring (18) is arranged on one side, far away from the pressing rod (8), of the sliding block (20), and the sliding block (20) is connected with the movable rod (17) in a sliding mode.