CN213516812U

CN213516812U - High-altitude test box for lithium battery detection

Info

Publication number: CN213516812U
Application number: CN202022714792.2U
Authority: CN
Inventors: 戚云峰; 曹玮
Original assignee: Ankejie Testing Changzhou Co ltd
Current assignee: Ankejie Testing Changzhou Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-22
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a high altitude test box for lithium battery detection, including the proof box, the inside fixedly connected with baffle of proof box, the top of baffle is run through and is provided with the through hole, the top of baffle is provided with the inspection area, the bottom of baffle is provided with the nip, the inside fixedly connected with of inspection area places the board, the inside of inspection area is provided with the pressure gage, the inside of nip is provided with the vacuum pump, one side of inspection area articulates there is upper sealing door, the inside of upper sealing door is inlayed in the observation window, the side surface of upper sealing door has seted up the solid locking groove, the inside fixedly connected with solid locking spring of solid locking groove, the one end of solid locking spring is provided with the solid locking piece, solid locking piece one side is provided with the recess, one side fixedly connected with the electro-magnet that solid locking groove kept away from; this a high altitude proof box for lithium cell detects can be better with last sealing door and the laminating of inspection district mutually through setting up compression spring and joint piece.

Description

High-altitude test box for lithium battery detection

Technical Field

The utility model relates to a lithium cell detects technical field, specifically is a high altitude test box for lithium cell detects.

Background

A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. However, lithium batteries are not absolutely safe, various safety accidents caused by the lithium batteries also happen occasionally, and even an explosion event of the lithium batteries happens, so that the use conditions of the lithium batteries in various environments need to be detected before the lithium batteries leave a factory.

The cabinet door of the existing lithium battery high-altitude test box is only fixed with the detection area through a buckle, so that the vacuum degree inside the test box can not be well guaranteed, and the air pressure condition inside the test box can not be well determined by the existing equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a high altitude proof box for lithium cell detection for solve and can't guarantee the inside vacuum of its proof box well to and can't confirm the problem of the inside atmospheric pressure condition of its proof box well.

In order to achieve the above object, the utility model provides a following technical scheme: the device comprises a test box, a partition board is fixedly connected inside the test box, a through hole is arranged at the top of the partition board in a penetrating manner, a test area is arranged at the top of the partition board, a pressure pumping area is arranged at the bottom of the partition board, a placing board is fixedly connected inside the test area, a pressure measuring meter is arranged inside the test area, a vacuum pump is arranged inside the pressure pumping area, an upper sealing door is hinged to one side of the test area, the inside of the upper sealing door is embedded in an observation window, a locking groove is formed in the side surface of the upper sealing door, a locking spring is fixedly connected inside the locking groove, a locking block is arranged at one end of the locking spring, a groove is formed in one side of the locking block, an electromagnet is fixedly connected to one side of the locking groove, which is far away from the locking block, a sealing ring is fixedly connected to the outer surface of the test area, one side fixedly connected with control panel of lower cabinet door, one side fixedly connected with fixed block of proof box, one side fixedly connected with compression spring of fixed block, the one end that compression spring kept away from the fixed block is provided with the joint piece.

As the utility model discloses a preferred technical scheme, the quantity of placing the board has a plurality of groups, and is the inside of linear equidistant distribution in the inspection district, the interval of placing between the board is greater than the height of lithium cell, the length of placing the board is less than the degree of depth in inspection district.

As the utility model discloses a preferred technical scheme, the mount pad fixed connection of vacuum pump is in the bottom plate center department of taking out the nip, the exhaust tube and the through hole fixed connection of vacuum pump, the vacuum pump is linked together through hole and inspection district, vacuum pump and control panel electric connection.

As the utility model discloses an optimal technical scheme, the observation window is double-deck toughened glass structure, manometer and control panel electric connection.

As the utility model discloses a preferred technical scheme, the one end of solid locking spring and the tank bottom center department fixed connection in solid locking groove, the other end of solid locking spring and the one end center department fixed connection in solid locking piece, the electro-magnet is inlayed inside the tank bottom in solid locking groove, solid locking piece is the magnetism material, electro-magnet and control panel electric connection.

As the utility model discloses an optimal technical scheme, compression spring's quantity has two sets ofly, and the upper and lower both ends of terminal surface before the fixed block of equal fixed connection, compression spring's the other end and joint piece fixed connection.

As the utility model discloses an optimized technical scheme, the rectangular channel has been seted up to one side that the joint piece is close to the fixed block, the recess has been seted up to the preceding terminal surface of solid locking piece, the internal diameter size of rectangular channel and the internal diameter size phase-match of recess, the central point height of solid locking piece and the central point highly uniform of joint piece.

Compared with the prior art, the utility model provides a high altitude proof box for lithium cell detects possesses following beneficial effect: the multiple groups of lithium batteries are respectively placed on different placing plates, then the sealing door is closed, then the clamping block is pulled to extend to the front side edge of the fixed locking groove, then the electromagnet is closed through the control panel, at the moment, the fixed locking block moves rightwards under the elastic force action of the fixed locking spring, so that the fixed locking block slides out of the fixed locking groove, at the moment, the clamping block is loosened, the rectangular groove of the clamping block is inserted into the groove of the fixed locking block, so that the compression spring 20 can tightly press the upper sealing door on the outer side edge of the inspection area, the sealing effect of the upper sealing door can be further enhanced through the sealing ring fixedly connected with the outer side edge, after the upper sealing door is closed, the vacuum pump is opened through the control panel, so that the air in the inspection area is pumped out through the vacuum pump, so that under the environment simulating high altitude, the service conditions of the lithium batteries can be clearly observed through the observation window, through the pressure gauge and the control panel electrically connected with the pressure gauge, the air pressure condition inside the test box can be observed more visually.

Drawings

Fig. 1 is a schematic view of an open structure of the test chamber of the present invention;

fig. 2 is a schematic view of the closed structure of the test chamber of the present invention;

FIG. 3 is a schematic view of the internal structure of the test chamber of the present invention;

fig. 4 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a test chamber; 2. a partition plate; 3. a through hole; 4. an inspection area; 5. a pressure extraction area; 6. placing the plate; 7. a pressure gauge; 8. a vacuum pump; 9. an upper sealing door; 10. an observation window; 11. fixing a locking groove; 12. fixing and locking the spring; 13. fixing a locking block; 14. a groove; 15. an electromagnet; 16. a seal ring; 17. a lower cabinet door; 18. a control panel; 19. a fixed block; 20. a compression spring; 21. and a clamping 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.

Referring to fig. 1-4, in this embodiment: a high-altitude test box for lithium battery detection comprises a test box 1, a partition plate 2 is fixedly connected inside the test box 1, a through hole 3 penetrates through the top of the partition plate 2, a test area 4 is arranged at the top of the partition plate 2, a pressure extraction area 5 is arranged at the bottom of the partition plate 2, a placing plate 6 is fixedly connected inside the test area 4, a pressure measuring meter 7 is arranged inside the test area 4, a vacuum pump 8 is arranged inside the pressure extraction area 5, an upper sealing door 9 is hinged to one side of the test area 4, the inside of the upper sealing door 9 is embedded in an observation window 10, a locking groove 11 is formed in the side surface of the upper sealing door 9, a locking spring 12 is fixedly connected inside the locking groove 11, a locking block 13 is arranged at one end of the locking spring 12, a groove 14 is formed in one side of the locking block 13, an electromagnet 15 is fixedly connected to one side of the locking groove 11, a sealing ring 16 is fixedly connected to the outer surface of the, one side of the pressure extraction area 5 is hinged with a lower cabinet door 17, one side of the lower cabinet door 17 is fixedly connected with a control panel 18, one side of the test box 1 is fixedly connected with a fixed block 19, one side of the fixed block 19 is fixedly connected with a compression spring 20, and one end, far away from the fixed block 19, of the compression spring 20 is provided with a clamping block 21.

In the embodiment, the placing plates 6 are arranged in a plurality of groups and are linearly distributed in the inspection area 4 at equal intervals, the interval between the placing plates 6 is larger than the height of the lithium batteries, the length of the placing plates 6 is smaller than the depth of the inspection area 4, and the running conditions of the plurality of groups of lithium batteries can be observed simultaneously through the plurality of groups of placing plates 6 without mutual interference; the mounting seat of the vacuum pump 8 is fixedly connected to the center of the bottom plate of the pumping area 5, the pumping pipe of the vacuum pump 8 is fixedly connected with the through hole 3, the vacuum pump 8 is communicated with the inspection area 4 through the through hole 3, the vacuum pump 8 is electrically connected with the control panel 18, and the vacuum pump 8 is started through the control panel 18, so that the vacuum pump 8 pumps the air pressure of the inspection area 4 through the through hole 3; the observation window 10 is of a double-layer toughened glass structure, the pressure gauge 7 is electrically connected with the control panel 18, the operation condition of the lithium battery can be observed through the observation window 10, and the air pressure condition in the inspection area 4 is detected through the pressure gauge 7; one end of a locking spring 12 is fixedly connected with the center of the bottom of the locking groove 11, the other end of the locking spring 12 is fixedly connected with the center of one end of a locking block 13, an electromagnet 15 is embedded in the bottom of the locking groove 11, the locking block 13 is made of magnetic materials, the electromagnet 15 is electrically connected with a control panel 18, the electromagnet 15 is started or closed through the control panel 18, when the electromagnet 15 is started, the locking block 13 is adsorbed into the locking groove 11, and when the electromagnet 15 is closed, the locking block 13 slides out of the locking groove 11 under the elastic force of the locking spring 12; two groups of compression springs 20 are arranged and fixedly connected to the upper end and the lower end of the front end face of the fixed block 19, the other end of each compression spring 20 is fixedly connected with the clamping block 21, and the compression springs 20 are used as connecting parts of the fixed block 19 and the clamping block 21, so that the clamping block 21 can be freely moved; the rectangular channel has been seted up to one side that joint piece 21 is close to fixed block 19, and recess 14 has been seted up to the preceding terminal surface of solid locking piece 13, the internal diameter size of rectangular channel and the internal diameter size phase-match of recess 14, and the central point height of solid locking piece 13 is highly unanimous with the central point of joint piece 21, and the recess 14 of solid locking piece 13 is pegged graft through the rectangular channel of joint piece 21 to come to fix the outside limit at inspection area 4 with last sealing door 9.

The utility model discloses a theory of operation and use flow: the multiple groups of lithium batteries are respectively placed on different placing plates 6, then the upper sealing door 9 is closed, then the clamping block 21 is pulled to extend to the front side edge of the fixed locking groove 11, then the electromagnet 15 is closed through the control panel 18, at the moment, the fixed locking block 13 moves rightwards under the action of the elastic force of the fixed locking spring 12, so that the fixed locking block 13 slides out of the fixed locking groove 11, at the moment, the clamping block 21 is loosened, the rectangular groove of the clamping block 21 is inserted into the groove 14 of the fixed locking block 13, so that the compression spring 20 can tightly press the upper sealing door 9 on the outer side edge of the inspection area 4, the sealing effect of the upper sealing door can be further enhanced through the sealing ring 16 fixedly connected with the outer side edge, after the upper sealing door 9 is closed, the vacuum pump 8 is opened through the control panel 18, so that the air in the inspection area 4 is pumped out through the vacuum pump 8, and under the environment simulating high altitude, the service condition of the lithium battery can be clearly observed through the observation window 10, and the air pressure condition in the test box 1 can be more visually observed through the arranged pressure measuring meter 7 and the control panel 18 electrically connected with the pressure measuring meter.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high altitude proof box for lithium cell detects which characterized in that: comprises a test box (1), a baffle (2) is fixedly connected inside the test box (1), a through hole (3) is arranged at the top of the baffle (2) in a penetrating manner, a test area (4) is arranged at the top of the baffle (2), a pumping area (5) is arranged at the bottom of the baffle (2), a placing plate (6) is fixedly connected inside the test area (4), a pressure measuring meter (7) is arranged inside the test area (4), a vacuum pump (8) is arranged inside the pumping area (5), an upper sealing door (9) is hinged to one side of the test area (4), the inside of the upper sealing door (9) is embedded into an observation window (10), a locking groove (11) is formed in the side surface of the upper sealing door (9), a locking spring (12) is fixedly connected inside the locking groove (11), and a locking block (13) is arranged at one end of the locking spring (12), admittedly, locking piece (13) one side is provided with recess (14), one side fixedly connected with electro-magnet (15) of locking piece (13) are kept away from in admittedly locked groove (11), the outer fixed surface of inspection district (4) is connected with sealing washer (16), one side of taking out nip (5) articulates there is lower cabinet door (17), one side fixedly connected with control panel (18) of lower cabinet door (17), one side fixedly connected with fixed block (19) of proof box (1), one side fixedly connected with compression spring (20) of fixed block (19), the one end that fixed block (19) were kept away from in compression spring (20) is provided with joint piece (21).

2. The high altitude test chamber for lithium battery detection as claimed in claim 1, wherein: the number of the placing plates (6) is provided with a plurality of groups, the placing plates are linearly distributed in the inspection area (4) at equal intervals, the intervals between the placing plates (6) are larger than the height of the lithium battery, and the length of the placing plates (6) is smaller than the depth of the inspection area (4).

3. The high altitude test chamber for lithium battery detection as claimed in claim 1, wherein: the mounting seat of the vacuum pump (8) is fixedly connected to the center of the bottom plate of the pumping area (5), the pumping pipe of the vacuum pump (8) is fixedly connected with the through hole (3), the vacuum pump (8) is communicated with the inspection area (4) through the through hole (3), and the vacuum pump (8) is electrically connected with the control panel (18).

4. The high altitude test chamber for lithium battery detection as claimed in claim 1, wherein: the observation window (10) is of a double-layer toughened glass structure, and the pressure gauge (7) is electrically connected with the control panel (18).

5. The high altitude test chamber for lithium battery detection as claimed in claim 1, wherein: the one end of solid locking spring (12) and the tank bottom center department fixed connection of solid locking groove (11), the other end of solid locking spring (12) and the one end center department fixed connection of solid locking piece (13), inside electromagnet (15) are inlayed in the tank bottom of solid locking groove (11), solid locking piece (13) are the magnetism material, electromagnet (15) and control panel (18) electric connection.

6. The high altitude test chamber for lithium battery detection as claimed in claim 1, wherein: the quantity of compression spring (20) has two sets ofly, and equal fixed connection is at the upper and lower both ends of terminal surface before fixed block (19), the other end and joint piece (21) fixed connection of compression spring (20).

7. The high altitude test chamber for lithium battery detection as claimed in claim 1, wherein: the clamping device is characterized in that a rectangular groove is formed in one side, close to the fixing block (19), of the clamping block (21), a groove (14) is formed in the front end face of the fixing and locking block (13), the inner diameter size of the rectangular groove is matched with the inner diameter size of the groove (14), and the height of the center point of the fixing and locking block (13) is consistent with the height of the center point of the clamping block (21).