CN216311708U

CN216311708U - Surface insulation isolated safety monitoring switch for lithium battery

Info

Publication number: CN216311708U
Application number: CN202122176966.9U
Authority: CN
Inventors: 王自强; 王晟
Original assignee: Jiangsu Qiangjin New Energy Technology Co ltd
Current assignee: Jiangsu Qiangjin New Energy Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-04-15
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a surface insulation isolation type safety monitoring switch for a lithium battery, and relates to the technical field of lithium batteries. The utility model discloses a set up the bottom plate, the fixed plate, compression spring, the commentaries on classics board, the fixture block, insulating layer and supporting component have played convenient radiating effect, utilize compression spring elasticity oppression commentaries on classics board, conveniently block the switch body, the fixed mounting switch of being convenient for, utilize the insulating layer to keep apart the screw, avoid accidental contact screw to electrocute, utilize supporting spring elasticity to support and cushion, play the effect of support, and have the function of pressure buffering, the supporting component will switch and increase the distance between body and the bottom plate, be convenient for dispel the heat.

Description

Surface insulation isolated safety monitoring switch for lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a surface insulation isolation type safety monitoring switch for a lithium battery.

Background

The lithium cell is the battery that adopts lithium or lithium alloy as the negative pole, the lithium cell has possessed characteristics such as high charge density, long-life and high unit cost, although the lithium cell cost is higher some, but because its longer life, can furthest reduce the battery and change, therefore, need long-time the use, and by wide application in the inconvenient instrument and equipment of changing the battery, the synthetic lithium cell group of lithium cell group, generally in the connecting wire negative pole series connection safety monitoring switch of charge-discharge in the lithium cell group, in time cut off the power supply to the lithium cell group machine when meetting the trouble, the effect of safety protection has been played, avoid the lithium cell trouble to lead to damaging the consumer.

In present way, the state of safety monitoring switch to the battery is monitored, but can directly be together fixed with the group battery usually, and in the use of using, the safety monitoring switch generates heat and can not dispel the heat, and the lithium cell also can generate heat when using simultaneously, does not have the heat dissipation space to dispel the heat, and the heat constantly piles up, produces the potential safety hazard easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a surface insulation isolation type safety monitoring switch for a lithium battery, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the surface insulation isolated safety monitoring switch for the lithium battery comprises a bottom plate, wherein fixing assemblies are arranged on two sides of the top of the bottom plate, a switch body is clamped between the fixing assemblies, an insulating layer is arranged on the top of the switch body, and a plurality of supporting assemblies are arranged between the bottom plate and the switch body.

Further, fixed subassembly includes the fixed plate, the top of fixed plate one side is passed through pressure spring fixedly connected with and is changeed the board, the bottom of changeing the board rotates with one side at bottom plate top to be connected, the top fixedly connected with fixture block of changeing board one side makes things convenient for fixed mounting.

Further, the top of bottom plate just is located the equal fixedly connected with limiting plate in two relative one sides of commentaries on classics board, the spacing spring of one side fixedly connected with of limiting plate, the spacing effect is played to the one end fixedly connected with baffle of spacing spring.

Further, the switch body includes the circuit board, be provided with charge mouth, transmission of electricity mouth communication port and two connecting wires on the circuit board, play the safety action, the insulating layer adopts highland barley sticker, keeps apart the screw, avoids unexpected contact screw to electrocute.

Further, the supporting component comprises a supporting cylinder, the bottom of the supporting cylinder is fixedly connected with the top of the bottom plate, the bottom of the inner wall of the supporting cylinder is fixedly connected with a supporting spring, the top of the supporting spring is connected with a supporting rod through a pushing plate, the top end of the supporting rod penetrates through the supporting cylinder and extends to the outside of the supporting cylinder, the supporting rod is located at one end of the supporting cylinder, the supporting plate is fixedly connected with the supporting plate, the supporting effect is achieved, the pressure buffering function is achieved, and the effect of facilitating heat dissipation is achieved.

Furthermore, a nut is fixedly connected to the middle of the other side of the fixing plate, a screw rod is movably arranged inside the nut, a pressing block is arranged at one end of the screw rod, a knob is fixedly connected to the other end of the screw rod, and a groove is formed in one side of the knob, so that the loosening prevention effect is achieved.

Compared with the prior art, the utility model has the following beneficial effects:

1. this surface insulation isolated form safety monitoring switch for lithium cell, through setting up the bottom plate, the fixed plate, compression spring, the commentaries on classics board, the fixture block, insulating layer and supporting component have played the effect that makes things convenient for the heat dissipation, utilize compression spring elasticity oppression commentaries on classics board, conveniently block the switch body, the fixed mounting switch of being convenient for, utilize the insulating layer to keep apart the screw, avoid accidental contact screw to electrocute, utilize supporting spring elasticity to support and cushion, play the effect of support, and have the function of pressure buffering, supporting component will increase the distance between switch body and the bottom plate, be convenient for dispel the heat.

2. This surface insulation isolated form safety monitoring switch for lithium cell has played the effect that prevents the pine and take off through setting up nut, screw rod, briquetting and knob, utilizes the screw rod to promote the briquetting and compresses tightly spacing to the rotor plate, avoids the switch body to drop from fixed subassembly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the utility model at B of FIG. 1;

fig. 4 is a schematic structural view of the support assembly of the present invention.

In the figure: 1. a base plate; 2. a fixing assembly; 21. a fixing plate; 22. a compression spring; 23. rotating the plate; 24. a clamping block; 25. a nut; 26. a screw; 27. briquetting; 28. a knob; 3. a switch body; 4. an insulating layer; 5. a support assembly; 51. a support cylinder; 52. a support spring; 53. pushing the plate; 54. a support bar; 55. a support plate; 6. a limiting plate; 7. a limiting spring; 8. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The surface insulation isolation type safety monitoring switch for the lithium battery shown in fig. 1-4 comprises a base plate 1, wherein fixing components 2 are arranged on two sides of the top of the base plate 1, a switch body 3 is clamped between the two fixing components 2, an insulating layer 4 is arranged on the top of the switch body 3, a plurality of supporting components 5 are arranged between the base plate 1 and the switch body 3, each fixing component 2 comprises a fixing plate 21, the top of one side of each fixing plate 21 is fixedly connected with a rotating plate 23 through a compression spring 22, the bottom of each rotating plate 23 is rotatably connected with one side of the top of the base plate 1, the top of one side of each rotating plate 23 is fixedly connected with a clamping block 24, each supporting component 5 comprises a supporting cylinder 51, the bottom of each supporting cylinder 51 is fixedly connected with the top of the base plate 1, the bottom of the inner wall of each supporting cylinder 51 is fixedly connected with a supporting spring 52, the top of each supporting spring 52 is fixedly connected with a supporting rod 54 through a push plate 53, the top end of the support rod 54 penetrates through the support cylinder 51 and extends to the outside of the support cylinder 51, and a support plate 55 is fixedly connected to one end of the support rod 54 located outside the support cylinder 51.

The top of bottom plate 1 just is located two and changes equal fixedly connected with limiting plate 6 in the relative one side of board 23, the spacing spring 7 of one side fixedly connected with of limiting plate 6, the one end fixedly connected with baffle 8 of spacing spring 7, during the use, baffle 8 blocks the one side of changeing board 23, prevents to change board 23 and rotates excessively, utilizes the balanced pressure spring 22 elasticity of the spacing spring 7 on limiting plate 6 right side, plays spacing effect.

Switch body 3 includes the circuit board, be provided with charge mouth, transmission of electricity mouth communication port and two connecting wires on the circuit board, insulating layer 4 adopts highland barley sticker, and during the use, the charger is connected to the mouth that charges, and transmission of electricity mouth communication port connects the battery, can monitor the battery situation, and monitoring battery state, how much capacity in addition, whether go wrong etc. break down the automatic circuit at the battery fault, play the safety action, highland barley sticker pastes on switch body 3, keeps apart the screw, avoids unexpected contact screw to electrocute.

The implementation mode is specifically as follows: when the switch is used, the switch body 3 is placed between the two fixing components 2, the switch body 3 is pressed downwards, the clamping blocks 24 are pressed on two sides of the switch body 3, the clamping blocks 24 are stressed to push the rotating plate 23 to rotate, the rotating plate 23 compresses the compression spring 22 relative to the fixing plate 21 until the clamping blocks 24 are clamped in the groove of the switch body 3, at the moment, the compression spring 22 pushes the rotating plate 23 to rotate reversely, the rotating plate 23 pushes the clamping blocks 24 to clamp the switch body 3, the switch body 3 is fixed, fixed installation is convenient, an insulating layer is arranged on the switch body 3 and isolates screws, accidental contact of screws is avoided, meanwhile, the switch body 3 moves downwards in the installation process, the switch body 3 presses the supporting plate 55 downwards, the supporting plate 55 presses the supporting rod 54 to move downwards, the push plate 53 at the bottom of the supporting rod 54 compresses the supporting spring 52 relative to the supporting barrel 51, and the push plate 53 acts reversely by the elasticity of the supporting spring 52, push pedal 53 promotes backup pad 55 on bracing piece 54 top and supports switch body 3 bottom, utilize supporting spring 52 elasticity to support and cushion, play the effect of support, and the function that has pressure buffering, supporting component 5 increases the distance with between switch body 3 and the bottom plate 1, play the effect that makes things convenient for the heat dissipation, mechanism has played the effect that makes things convenient for the heat dissipation through setting up above, utilize pressure spring 22 elasticity oppression commentaries on classics board 23, conveniently block switch body 3, the fixed mounting switch of being convenient for, utilize the insulating layer to keep apart the screw, avoid accidental contact screw to electrocute, utilize supporting spring 52 elasticity to support and cushion, play the effect of support, and the function that has pressure buffering, supporting component 5 increases the distance with between switch body 3 and the bottom plate 1, be convenient for the heat dissipation.

The surface insulation isolation type safety monitoring switch for the lithium battery shown in fig. 1-2 further comprises a nut 25 fixedly connected to the middle part of the other side of the fixing plate 21, a screw 26 is movably arranged inside the nut 25, a pressing block 27 is arranged at one end of the screw 26, a knob 28 is fixedly connected to the other end of the screw 26, and a groove is formed in one side of the knob 28.

The implementation mode is specifically as follows: during the use, rotate knob 28, knob 28 drives screw rod 26, because fixed plate 21 and nut 25 fixed connection, pivoted screw rod 26 moves left in nut 25, the left end of nut 25 promotes briquetting 27 and moves left, the left side of briquetting 27 is pressed in the bottom on commentaries on classics board 23 right side, set up flutedly on the knob 28, conveniently utilize a word screwdriver to rotate knob 28, the effect that prevents the pine and take off has been played through setting up above structure, it is spacing to compress tightly commentaries on classics board 23 to utilize screw rod 26 to promote briquetting 27, avoid switch body 3 to drop from fixed subassembly 2.

The working principle of the utility model is as follows:

referring to the attached drawings 1-4 of the specification, the bottom plate 1, the fixing plate 21, the pressing spring 22, the rotating plate 23, the clamping block 24, the insulating layer 4 and the supporting component 5 are arranged to play a role in facilitating heat dissipation, the pressing spring 22 is used for elastically pressing the rotating plate 23 to conveniently clamp the switch body 3, the switch is conveniently and fixedly mounted, the insulating layer is used for isolating screws, accidental contact of the screws is avoided, the supporting spring 52 is used for supporting and buffering through elasticity, the supporting function is achieved, the supporting component 5 has a pressure buffering function, the distance between the switch body 3 and the bottom plate 1 is increased, and heat dissipation is facilitated.

Further, referring to the attached drawings 1-2 of the specification, the nut 25, the screw 26, the pressing block 27 and the knob 28 are arranged to prevent loosening, the pressing block 27 is pushed by the screw 26 to compress and limit the rotating plate 23, and the switch body 3 is prevented from falling off from the fixing component 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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. Surface insulation isolated form safety monitoring switch for lithium cell, including bottom plate (1), its characterized in that: the improved switch is characterized in that fixing assemblies (2) are arranged on two sides of the top of the base plate (1), a switch body (3) is clamped between the fixing assemblies (2), an insulating layer (4) is arranged on the top of the switch body (3), and a plurality of supporting assemblies (5) are arranged between the base plate (1) and the switch body (3).

2. The surface insulation isolation type safety monitoring switch for the lithium battery as claimed in claim 1, wherein: fixed subassembly (2) include fixed plate (21), the top of fixed plate (21) one side is through pressure spring (22) fixedly connected with commentaries on classics board (23), the bottom of commentaries on classics board (23) is rotated with one side at bottom plate (1) top and is connected, change top fixedly connected with fixture block (24) of board (23) one side.

3. The surface insulation isolation type safety monitoring switch for the lithium battery as claimed in claim 2, wherein: the top of bottom plate (1) just is located two and changes equal fixedly connected with limiting plate (6) in the relative one side of board (23), one side fixedly connected with spacing spring (7) of limiting plate (6), the one end fixedly connected with baffle (8) of spacing spring (7).

4. The surface insulation isolation type safety monitoring switch for the lithium battery as claimed in claim 1, wherein: the switch body (3) comprises a circuit board, a charging port, a power transmission port communication port and two connecting wires are arranged on the circuit board, and the insulating layer (4) is made of highland barley paster.

5. The surface insulation isolation type safety monitoring switch for the lithium battery as claimed in claim 1, wherein: the supporting component (5) is including supporting a section of thick bamboo (51), the bottom of a supporting section of thick bamboo (51) and the top fixed connection of bottom plate (1), the bottom fixedly connected with supporting spring (52) of a supporting section of thick bamboo (51) inner wall, push pedal (53) fixedly connected with bracing piece (54) are passed through at the top of supporting spring (52), the top of bracing piece (54) runs through a supporting section of thick bamboo (51) and extends to the outside of a supporting section of thick bamboo (51), bracing piece (54) are located the outside one end fixedly connected with backup pad (55) of a supporting section of thick bamboo (51).

6. The surface insulation isolation type safety monitoring switch for the lithium battery as claimed in claim 2, wherein: the middle of the other side of the fixing plate (21) is fixedly connected with a nut (25), a screw rod (26) is movably arranged in the nut (25), a pressing block (27) is arranged at one end of the screw rod (26), a knob (28) is fixedly connected to the other end of the screw rod (26), and a groove is formed in one side of the knob (28).