CN214225369U

CN214225369U - Tightness detection device of lithium battery pack

Info

Publication number: CN214225369U
Application number: CN202022728018.7U
Authority: CN
Inventors: 蒋国胜; 何国巨
Original assignee: Changxing Tuniu Electronic Technology Co ltd
Current assignee: Changxing Tuniu Electronic Technology Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-17
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a leakproofness detection device of lithium cell group. It includes shell and slip pipe, and the slip pipe contains a plurality of and evenly distributed in the shell, and the slip pipe contacts with the shell medial surface, is equipped with the sliding block on the slip pipe, and sliding block and slip pipe swing joint install socket, switch, motor and warning light on the shell, and switch and motor all contain a plurality of, and motor and switch one-to-one, motor pass through the switch and are connected with the socket electricity, and the sliding block is connected with the motor, and sliding block and warning light all are connected with the socket electricity. The utility model has the advantages that: the purpose of detecting the problem can be achieved through the sliding tube, the sliding block, the socket, the switch, the motor and the prompting lamp; the sliding block can safely complete the moving work through the sliding groove; the electric signal transmission of the sliding block can be completed through an electric wire; the rolling operation on a plane can be realized through the second balls and the metal belt.

Description

Tightness detection device of lithium battery pack

Technical Field

The utility model belongs to the technical field of lithium cell group detects technique and specifically relates to indicate a leakproofness detection device of lithium cell group.

Background

A lithium battery is a battery using lithium metal or a lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, unlike rechargeable lithium ion batteries, which are comparable to lithium ion polymer batteries, the inventor of lithium batteries is edison, because the chemical characteristics of the lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high, therefore, the lithium battery is not applied for a long time, with the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing day by day, the lithium battery pack needs to be lost for detection and a sealing performance detection device of the lithium battery pack needs to be used in the assembly production process of the lithium battery pack, however, the existing tightness detection device for the lithium battery pack generally detects the whole lithium battery pack in one step, so that the problem of the lithium battery pack where the lithium battery pack is out cannot be known.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art one step and all detect good not enough with whole lithium cell group, provide a detectable where the leakproofness detection device of the lithium cell group of problem.

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

the utility model provides a leakproofness detection device of lithium cell group, includes shell and slip pipe, the slip pipe contain a plurality of and evenly distributed in the shell, slip pipe and shell medial surface contact, the slip pipe on be equipped with the sliding block, sliding block and slip pipe swing joint, the shell on install socket, switch, motor and warning light, switch and motor all contain a plurality of, motor and switch one-to-one, the motor pass through the switch and be connected with the socket electricity, the sliding block be connected with the motor, sliding block and warning light all be connected with the socket electricity.

The sliding block through with sliding tube swing joint can let the sliding block round trip movement on the sliding tube, and the socket of installation on the shell, the removal work of the sliding block of being connected with the motor then can be opened to switch and motor, the sliding tube contains a plurality of and then can let the sliding block on the sliding tube be doing the removal work on each face, if there is electric leakage on one face of lithium cell group, then the sliding block on this face alright with in time send information to the warning light and let the power that the socket that the warning light used the electricity to connect light, so just reached the purpose that where the detectable goes out the problem.

Preferably, be equipped with the spout on the medial surface of shell, the sliding block on install ball one, ball one install bearing one and connecting rod, ball one all be connected with bearing one with the connecting rod, ball one be connected with the shell through the connecting rod, ball one arrange in the spout, the spout about both ends install two hard pieces, the distance between two hard pieces is less than the diameter of ball one, the sliding block pass through ball one and be connected with the motor. The design can let ball in the spout can be smooth roll in the inslot through the spout on the medial surface of shell and has reached the removal purpose that drives the sliding block that ball is connected like this, and two hard pieces of both ends installation are less than the diameter that ball was one about the spout and have then prevented ball and roll out the spout, and the ball is rolling in bearing one through the connecting rod that the opening of motor was used and is being connected with the shell, completion roll work that both can be smooth, can not exert an influence to other parts again, and is convenient real.

Preferably, the sliding block is provided with a second bearing, an electric wire, a second ball and a spring, the sliding block is movably connected with the sliding tube through the second bearing, the electric wire is arranged in the sliding tube and made of an insulating material, the sliding block is electrically connected with the prompting lamp through the electric wire, the second ball and the spring are made of a conductive material, the second ball is provided with a metal band, the second ball comprises a plurality of the second ball, the second ball is arranged in the metal band and connected with the metal band, the second ball is electrically connected with the prompting lamp through the sliding block, and the metal band is connected with the sliding block through the spring. The sliding block is movably connected with the sliding tube through the bearing II, the sliding block cannot be influenced by the sliding tube when moving on the sliding tube, the electric wire electrically connected with the prompting lamp in the sliding tube can timely transmit the information of the sliding block to the prompting lamp to enable the prompting lamp to make corresponding reaction, the sliding tube is made of insulating materials to avoid the influence on the work of the sliding block, a plurality of balls II made of conducting materials and arranged on the sliding block can transmit the information to the prompting lamp through the connected metal belt to enable the prompting lamp to make corresponding reaction when the sliding block is in rolling contact with electric leakage, the spring connected with the metal belt can be compressed when the sliding block is under pressure, the sliding block is in close contact with other components, and the material of the spring is made of conducting materials to ensure the smooth transmission of the electric information by the sliding block.

Preferably, a third bearing is arranged in the shell rear plate, the shell top plate is connected with the shell rear plate through the third bearing, a back cushion is arranged at the top end of the shell front plate and is made of an insulating material, and the shell top plate is in contact with the shell front plate through the back cushion. The back cushion made of insulating material is used for smooth information transmission after the top plate of the shell contacts.

Preferably, the sliding pipe comprises a first sliding pipe, a second sliding pipe, a third sliding pipe, a fourth sliding pipe, a fifth sliding pipe and a sixth sliding pipe, the inner side surface of the shell rear plate is connected with the first sliding pipe, the inner side surface of the shell rear plate and the inner side surface of the shell front plate are connected with the second sliding pipe, the bottom end of the third sliding pipe, the bottom end of the fourth sliding pipe, the bottom end of the fifth sliding pipe and the bottom end of the sixth sliding pipe are connected with the second sliding pipe, a fourth bearing is installed at the top end of the third sliding pipe, the first sliding pipe is connected with the third sliding pipe through the fourth bearing, blocking pieces are arranged at the top end of the fourth sliding pipe, the top end of the fifth sliding pipe and the top end of the sixth sliding pipe, and the fourth sliding pipe, the fifth sliding pipe and the sixth sliding pipe are connected with the inner side wall of the shell through the blocking pieces. The design can ensure that the components in each sliding pipe are smoothly connected through the first sliding pipe, the second sliding pipe, the third sliding pipe, the fourth sliding pipe, the fifth sliding pipe and the sixth sliding pipe, so that the components in the sliding pipes can transmit information smoothly, and the blocking pieces on the top ends of the fourth sliding pipe, the fifth sliding pipe and the sixth sliding pipe are used for smoothly receiving the sliding pipes to support the sliding pipes.

Preferably, the sliding tube II is provided with two object placing blocks, the sliding block on the sliding tube II is arranged between the two object placing blocks, the electric wire on the sliding tube II is communicated with the object placing blocks, the bottom plate of the shell is provided with a plurality of uniformly distributed supporting frames, and the material of the shell and the material of the supporting frames are both insulating materials. The design can be placed through two on the sliding tube two and put the thing piece and can be placed the object and play the supporting role to the shell through the support frame that the material is a plurality of evenly distributed of insulating material, has avoided external electric interference influence to the shell moreover, and the material of shell is insulating material then has avoided external electric interference influence to the inside of shell.

The utility model has the advantages that: the purpose of detecting the problem can be achieved through the sliding tube, the sliding block, the socket, the switch, the motor and the prompting lamp; the sliding block can safely complete the moving work through the sliding groove; the electric signal transmission of the sliding block can be completed through an electric wire; the rolling operation on a plane can be realized through the second balls and the metal belt.

Drawings

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

fig. 2 is a schematic structural view of the sliding tube of the present invention;

FIG. 3 is a schematic structural view of section A in FIG. 2;

fig. 4 is a schematic structural diagram of a first rolling ball of the present invention;

fig. 5 is a schematic structural view of the chute of the present invention;

FIG. 6 is a schematic view of the structure at B-B in FIG. 2;

fig. 7 is a schematic structural view of a metal belt of the present invention.

In the figure: 1. the device comprises a shell, 2, a sliding tube, 3, a socket, 4, a switch, 5, a motor, 6, a prompting lamp, 7, a first sliding tube, 8, a second sliding tube, 9, a third sliding tube, 10, a fourth sliding tube, 11, a fifth sliding tube, 12, a sixth sliding tube, 13, a third bearing, 14, a cushion, 15, a fourth bearing, 16, a baffle, 17, a placing block, 18, a sliding block, 19, a second ball, 20, a first ball, 21, a second bearing, 22, a spring, 23, a sliding chute, 24, a first bearing, 25, a connecting rod, 26, a hard sheet, 27, a metal belt, 28, a supporting frame, 29 and an electric wire.

Detailed Description

The following description of the present invention will be made with reference to the accompanying drawings.

As in fig. 1, in the utility model discloses shown in fig. 2, a leakproofness detection device of lithium cell group, including shell 1 and slip pipe 2, slip pipe 2 contains a plurality of and evenly distributed in shell 1, slip pipe 2 contacts with shell 1 medial surface, be equipped with sliding block 18 on the slip pipe 2, sliding block 18 and slip pipe 2 swing joint, install socket 3 on the shell 1, switch 4, motor 5 and warning light 6, switch 4 and motor 5 all contain a plurality of, motor 5 and switch 4 one-to-one, motor 5 is connected with socket 3 electricity through switch 4, sliding block 18 is connected with motor 5, sliding block 18 and warning light 6 all are connected with socket 3 electricity. As shown in fig. 3 and 4, a sliding groove 23 is formed in the inner side surface of the housing 1, a first ball 20 is mounted on the sliding block 18, a first bearing 24 and a connecting rod 25 are mounted on the first ball 20, the first ball 20 and the connecting rod 25 are both connected with the first bearing 24, the first ball 20 is connected with the housing 1 through the connecting rod 25, the first ball 20 is arranged in the sliding groove 23, as shown in fig. 5, two hard pieces 26 are mounted at the upper end and the lower end of the sliding groove 23, the distance between the two hard pieces 26 is smaller than the diameter of the first ball 20, and the sliding block 18 is connected with the motor 5 through the first ball 20. The sliding block 18 is provided with a second bearing 21 and an electric wire 29, the sliding block 18 is movably connected with the sliding tube 2 through the second bearing 21, the electric wire 29 is arranged in the sliding tube 2, the sliding tube 2 is made of insulating materials, and the sliding block 18 is electrically connected with the indicator light 6 through the electric wire 29.

As shown in fig. 7, the second balls 19 are mounted on the sliding block 18, the second balls 19 are made of a conductive material, the second balls 19 are provided with a metal strip 27, the second balls 19 include a plurality of balls, the second balls 19 are disposed in the metal strip 27, the second balls 19 are connected with the metal strip 27, and the second balls 19 are electrically connected with the indicator light 6 through the sliding block 18. The sliding block 18 is provided with a spring 22, the material of the spring 22 is a conductive material, and a metal belt 27 is connected with the sliding block 18 through the spring 22. A third bearing 13 is arranged in the rear plate of the shell 1, the top plate of the shell 1 is connected with the rear plate of the shell 1 through the third bearing 13, a back cushion 14 is arranged at the top end of the front plate of the shell 1, the back cushion 14 is made of insulating materials, and the top plate of the shell 1 is in contact with the front plate of the shell 1 through the back cushion 14. As shown in fig. 6, the sliding tube 2 includes a first sliding tube 7, a second sliding tube 8, a third sliding tube 9, a fourth sliding tube 10, a fifth sliding tube 11 and a sixth sliding tube 12, the inner side surface of the rear plate of the housing 1 is connected with the first sliding tube 7, the inner side surface of the rear plate of the housing 1 and the inner side surface of the front plate of the housing 1 are connected with the second sliding tube 8, the bottom end of the third sliding tube 9, the bottom end of the fourth sliding tube 10, the bottom end of the fifth sliding tube 11 and the bottom end of the sixth sliding tube 12 are connected with the second sliding tube 8, the top end of the third sliding tube 9 is provided with a fourth bearing 15, the first sliding tube 7 is connected with the third sliding tube 9 through the fourth bearing 15, the top end of the fourth sliding tube 10, the top end of the fifth sliding tube 11 and the top end of the sixth sliding tube 12 are provided with blocking pieces 16, and the fourth sliding tube 10, the fifth sliding tube 11 and the sixth sliding tube 12 are connected with the inner side wall of the housing 1 through the blocking pieces 16. Two object placing blocks 17 are arranged on the second sliding tube 8, sliding blocks 18 on the second sliding tube 8 are arranged between the two object placing blocks 17, electric wires 29 on the second sliding tube 8 are communicated with the object placing blocks 17, a plurality of uniformly distributed supporting frames 28 are arranged on a bottom plate of the shell 1, and the material of the shell 1 and the material of the supporting frames 28 are both insulating materials.

Firstly, a top plate of a shell 1 is pulled open, the top plate of the shell 1 is connected with a rear plate of the shell 1 through a bearing III 13 arranged at the top end of the rear plate of the shell 1, under the action of the bearing III 13, the top plate of the shell 1 can be smoothly turned on or off, meanwhile, a sliding tube I7 in the shell 1 is smoothly turned on or off along with a bearing IV 15 arranged at the top end of a sliding tube III 9 and a ball I20 arranged in a sliding groove 23 and arranged on a sliding block 18 on the sliding tube I7, the ball I is then smoothly placed on two object placing blocks 17 on a sliding tube II 8, a lithium battery pack to be detected is placed on the sliding tube II 8, an electric wire 29 in the sliding tube II 8 is communicated with the object placing blocks 17, and therefore, electric signals of the electric wire 29 are smoothly transmitted, and in the placement process of the lithium battery pack to be detected, a metal belt 27 connected with the sliding tube III 9, the sliding tube IV 10, the sliding tube V11 and the sliding block 18 on the sliding tube VI 12 through a spring 22 can be flicked and touched to touch the lithium battery pack to be touched On the outer side of the battery pack, a plurality of second balls 19 are connected inside the metal belt 27, the spring 22 and the second balls 19 are made of conductive materials, the second balls 19 are electrically connected with the indicator light 6 through the sliding block 18, then the top plate of the shell 1 is closed through the third bearing 13, the first sliding tube 7 is closed through the fourth bearing 15, the metal belt 27 of the sliding block 18 on the first sliding tube 7 can touch the outer side of the lithium battery pack, when the shell 1 is closed, the top end of the front plate of the shell 1 is provided with a back cushion 14 made of insulating materials, the insulating materials can be made of rubber, the insulating effect is achieved, the front plate of the shell 1 is prevented from being damaged when being touched with the top plate of the shell 1, the conductive materials can be made of iron, the conductive effect is good, the price is good, and the work of placing the lithium battery pack to be detected is completed.

Then, the socket 3 installed on the housing 1 is electrically connected with an external power supply, then a switch 4 on the housing 1 is clicked to enable a corresponding motor 5 to work by using the power supply brought by the socket 3, at this time, in the housing 1, a sliding block 18 connected with the motor 5 generates moving work, one end of the sliding block 18 is provided with a ball one 20 installed in a sliding groove 23 on the inner side surface of the housing 1, the ball one 20 is connected with the housing 1 through a connecting rod 25, under the action of a bearing one 24 connected with the ball one 20 and the connecting rod 25, the ball one 20 can smoothly roll to drive the sliding block 18 to move back and forth without influencing the sliding groove 23, two hard sheets 26 are installed at the upper end and the lower end of the sliding groove 23, the distance between the two hard sheets 26 is smaller than the diameter of the ball one 20, and the ball one 20 is prevented from rolling away from the sliding groove 23, when the metal belt 27 contacts with the leakage liquid of the lithium battery pack due to poor sealing, a current signal is generated and is transmitted to the prompting lamp 6 electrically connected with the sliding block 18 through the electric wire 29 arranged on the sliding block 18 in the sliding tube 2, the prompting lamp 6 can be lightened by using the power supplied by the socket 3, then the switch 4 which is clicked immediately can be clicked to stop the corresponding motor 5, and therefore, which side of the lithium battery pack has a problem can be known, and the purpose of detecting where the problem has occurred can be achieved.

Then, the second switch 4 on the shell 1 can be continuously clicked to enable the corresponding second motor 5 to work by using a power supply brought by the socket 3, the sliding block 18 connected with the motor 5 moves inside the shell 1, the detection work of the second surface of the lithium battery pack is completed by repeating the above working process, and by analogy, the detection work can be completely performed on each surface of the lithium battery pack, and finally, the effect of where the problem occurs can be obtained.

Claims

1. A tightness detection device of a lithium battery pack is characterized by comprising a shell (1) and a sliding tube (2), the sliding pipes (2) comprise a plurality of sliding pipes which are uniformly distributed in the shell (1), the sliding tube (2) is contacted with the inner side surface of the shell (1), a sliding block (18) is arranged on the sliding tube (2), the sliding block (18) is movably connected with the sliding tube (2), the shell (1) is provided with a socket (3), a switch (4), a motor (5) and a prompt lamp (6), the switches (4) and the motors (5) are respectively provided with a plurality of switches, the motors (5) are in one-to-one correspondence with the switches (4), the motor (5) is electrically connected with the socket (3) through the switch (4), sliding block (18) be connected with motor (5), sliding block (18) and warning light (6) all be connected with socket (3) electricity.

2. The device for detecting the sealing performance of the lithium battery pack according to claim 1, wherein a sliding groove (23) is formed in the inner side surface of the shell (1), a first ball (20) is mounted on the sliding block (18), a first bearing (24) and a connecting rod (25) are mounted on the first ball (20), the first ball (20) and the connecting rod (25) are both connected with the first bearing (24), the first ball (20) is connected with the shell (1) through the connecting rod (25), the first ball (20) is placed in the sliding groove (23), two hard pieces (26) are mounted at the upper end and the lower end of the sliding groove (23), the distance between the two hard pieces (26) is smaller than the diameter of the first ball (20), and the sliding block (18) is connected with the motor (5) through the first ball (20).

3. The device for detecting the sealing performance of the lithium battery pack according to claim 2, wherein a second bearing (21), an electric wire (29), a second ball (19) and a spring (22) are mounted on the sliding block (18), the sliding block (18) is movably connected with the sliding tube (2) through the second bearing (21), the electric wire (29) is arranged in the sliding tube (2), the sliding tube (2) is made of an insulating material, the sliding block (18) is electrically connected with the indicator light (6) through the electric wire (29), the second ball (19) and the spring (22) are made of conductive materials, a metal strap (27) is arranged on the second ball (19), the second ball (19) comprises a plurality of balls, the second ball (19) is arranged in the metal strap (27), and the second ball (19) is connected with the metal strap (27), the second ball (19) is electrically connected with the indicator light (6) through a sliding block (18), and the metal belt (27) is connected with the sliding block (18) through a spring (22).

4. The device for detecting the sealing performance of the lithium battery pack according to claim 1, wherein a third bearing (13) is arranged in a rear plate of the shell (1), a top plate of the shell (1) is connected with the rear plate of the shell (1) through the third bearing (13), a back cushion (14) is arranged at the top end of a front plate of the shell (1), the back cushion (14) is made of an insulating material, and the top plate of the shell (1) is in contact with the front plate of the shell (1) through the back cushion (14).

5. The tightness detection device of the lithium battery pack according to claim 3, characterized in that the sliding tube (2) comprises a first sliding tube (7), a second sliding tube (8), a third sliding tube (9), a fourth sliding tube (10), a fifth sliding tube (11) and a sixth sliding tube (12), the inner side surface of the rear plate of the housing (1) is connected with the first sliding tube (7), the inner side surface of the rear plate of the housing (1) and the inner side surface of the front plate of the housing (1) are connected with the second sliding tube (8), the bottom end of the third sliding tube (9), the bottom end of the fourth sliding tube (10), the bottom end of the fifth sliding tube (11) and the bottom end of the sixth sliding tube (12) are connected with the second sliding tube (8), the top end of the third sliding tube (9) is provided with a fourth bearing (15), the first sliding tube (7) is connected with the third sliding tube (9) through the fourth bearing (15), the top end of the sliding tube four (10), the top end of the sliding tube five (11) and the top end of the sliding tube six (12) are respectively provided with a baffle (16), and the sliding tube four (10), the sliding tube five (11) and the sliding tube six (12) are respectively connected with the inner side wall of the shell (1) through the baffles (16).

6. The device for detecting the sealing performance of the lithium battery pack according to claim 5, wherein two object placing blocks (17) are arranged on the second sliding tube (8), a sliding block (18) on the second sliding tube (8) is arranged between the two object placing blocks (17), an electric wire (29) on the second sliding tube (8) is communicated with the object placing blocks (17), a plurality of uniformly distributed supporting frames (28) are arranged on a bottom plate of the shell (1), and the shell (1) and the supporting frames (28) are made of insulating materials.