CN218448139U

CN218448139U - Lithium battery heat dissipation box

Info

Publication number: CN218448139U
Application number: CN202222456084.2U
Authority: CN
Inventors: 贾志强
Original assignee: Changchun Haotai Technology Co ltd
Current assignee: Changchun Haotai Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-03
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a lithium cell heat dissipation technical field discloses a lithium cell heat dissipation case, including guard box and lithium cell, still include: a passive heat dissipation mechanism and an active heat dissipation mechanism are arranged in the protection box, an adjusting mechanism is arranged in the protection box, the adjusting mechanism is connected with a control mechanism and used for controlling the active heat dissipation mechanism, and ventilation holes are formed in two sides of the protection box; when the lithium cell uses the heat that gives off less, make lithium cell contact passive form heat dissipation mechanism through adjustment mechanism, and then dispel the heat through passive form heat dissipation mechanism, when the more and passive form heat dissipation mechanism of the heat that gives off of lithium cell can not satisfy the heat dissipation demand, adjustment mechanism can drive the lithium cell and break away from passive form heat dissipation mechanism this moment, control mechanism can control active heat dissipation mechanism and begin to operate this moment, carry out quick heat dissipation cooling to the lithium cell through active heat dissipation mechanism, and then can effectually distribute away the heat that the lithium cell produced, the radiating effect is better.

Description

Lithium battery heat dissipation box

Technical Field

The utility model relates to a lithium cell heat dissipation technical field specifically is a lithium cell heat dissipation case.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution using lithium metal or a lithium alloy as a positive/negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries.

In order to protect the lithium battery, the lithium battery is generally placed in a protection box, and the lithium battery can generate a large amount of heat in the use process, and the heat is accumulated in the protection box, so that the temperature in the protection box is too high, and further, the temperature of the lithium battery is raised, and damage is possibly caused.

Therefore, the heat dissipation box for the lithium battery is provided by the technical personnel in the field, so as to solve the problems in the background.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell heat dissipation case to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a heat dissipation box for a lithium battery,

as a further aspect of the present invention: including guard box and lithium cell, still include:

a passive heat dissipation mechanism and an active heat dissipation mechanism are arranged in the protection box, an adjusting mechanism is arranged in the protection box, and the adjusting mechanism is connected with a control mechanism and used for controlling the active heat dissipation mechanism;

the adjusting mechanism comprises first motors fixedly arranged on two sides in the protection box, output shafts of the first motors are fixedly connected with screw rods, and placing plates are arranged on the screw rods in a threaded mode;

the control mechanism comprises two triggers fixedly installed on one side of the placing plate, and a receiver matched with the triggers is installed on one side in the protection box.

As a further aspect of the present invention: the placing plate is provided with a limiting block.

As a further aspect of the present invention: the passive heat dissipation mechanism comprises a plurality of first heat conducting rods fixedly mounted at one end of the protection box, the first heat conducting rods penetrate through the protection box, one ends of the heat conducting rods extend into the protection box and are fixedly connected with the first heat absorbing plates, a plurality of second heat conducting rods are slidably arranged on two sides of the protection box, and one ends of the second heat conducting rods extend into the protection box and are fixedly connected with the second heat absorbing plates.

As a further aspect of the present invention: the second heat conducting rod is provided with a blocking piece, the blocking piece comprises a blocking piece fixedly installed on the second heat conducting rod, and an elastic piece is arranged on the second heat conducting rod between the second heat absorbing plate and the protection box.

As a further aspect of the present invention: inclined grooves are formed in two sides of the second heat absorption plate.

As a further aspect of the present invention: active heat dissipation mechanism installs the support including the frame that ventilates of fixed mounting in guard box one end in the frame that ventilates, and fixed mounting has the second motor on the support, and second motor output shaft fixed connection pivot is provided with the flabellum in the pivot.

As a further aspect of the present invention: and the lithium battery is provided with a temperature sensor.

Compared with the prior art, the beneficial effects of the utility model are that: when the lithium cell uses the heat that gives off less, make lithium cell contact passive form heat dissipation mechanism through adjustment mechanism, and then dispel the heat through passive form heat dissipation mechanism, when the more and passive form heat dissipation mechanism of the heat that gives off of lithium cell can not satisfy the heat dissipation demand, adjustment mechanism can drive the lithium cell and break away from passive form heat dissipation mechanism this moment, control mechanism can control active heat dissipation mechanism and begin to operate this moment, carry out quick heat dissipation cooling to the lithium cell through active heat dissipation mechanism, and then can effectually distribute away the heat that the lithium cell produced, the radiating effect is better, can adapt to different heat dissipation demands through the cooperation of passive form heat dissipation mechanism and active heat dissipation mechanism, therefore, the practicality is better.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery heat dissipation box.

Fig. 2 is an enlarged view of a structure in fig. 1.

Fig. 3 is a schematic structural diagram of a second heat absorbing plate and a second heat conducting rod in a lithium battery heat dissipation box.

In the figure: 1. a protection box; 2. placing the plate; 3. a limiting block; 4. a lithium battery; 5. a first motor; 6. a screw; 7. a ventilation frame; 8. a support; 9. a second motor; 10. a rotating shaft; 11. a fan blade; 12. a trigger; 13. a receiver; 14. a vent hole; 15. a first heat absorption plate; 16. a first heat conduction rod; 17. a second absorber plate; 18. a second heat conduction rod; 19. an elastic member; 20. a blocking block; 21. a temperature sensor.

Detailed Description

The technical solution of the present patent will be further described in detail with reference to the following embodiments.

Example (b): referring to fig. 1-3, a lithium battery heat dissipation box includes a protection box 1 and a lithium battery 4, and further includes:

the lithium battery protection device is characterized in that a passive heat dissipation mechanism and an active heat dissipation mechanism are arranged in the protection box 1, an adjusting mechanism is arranged in the protection box 1 and connected with a control mechanism for controlling the active heat dissipation mechanism, ventilation holes 14 are formed in two sides of the protection box 1, and a temperature sensor 21 are arranged on the lithium battery 4 and electrically connected with a controller.

During the use of the utility model, when lithium cell 4 uses the heat that gives off less, make lithium cell 4 contact passive form heat dissipation mechanism through adjustment mechanism, and then dispel the heat through passive form heat dissipation mechanism, when the more and passive form heat dissipation mechanism of the heat that gives off of lithium cell 4 can not satisfy the heat dissipation demand, adjustment mechanism can drive lithium cell 4 and break away from passive form heat dissipation mechanism this moment, control mechanism can control active heat dissipation mechanism and begin to move this moment, carry out quick heat dissipation cooling to lithium cell 4 through active heat dissipation mechanism, and then can effectually distribute away the heat that lithium cell 4 produced, the radiating effect is better, can adapt to different heat dissipation demands through the cooperation of passive form heat dissipation mechanism and active heat dissipation mechanism, therefore, the practicality is better.

The adjusting mechanism comprises first motors 5 fixedly installed on two sides in a protection box 1, wherein the first motors 5 are electrically connected with a controller, the output shafts of the first motors 5 are fixedly connected with a screw rod 6, a placing plate 2 is arranged on the screw rod 6 in a threaded manner, a temperature sensor 21 is used for detecting the temperature in the protection box 1, the controller sets a parameter for the temperature, when the temperature measured by the temperature sensor 21 is lower than the set parameter, the controller controls the motor to start, the screw rod 6 is driven to rotate, the placing plate 2 is driven to move upwards, a lithium battery 4 on the placing plate 2 is contacted with a passive heat dissipation mechanism, and then the heat can be dissipated through the passive heat dissipation mechanism, when the temperature measured by the temperature sensor 21 is higher than the set parameter, the adjusting mechanism can drive the placing plate 2 to move downwards, so that the control mechanism is communicated, and further the controller controls the active heat dissipation mechanism to operate.

The control mechanism comprises two triggers 12 fixedly mounted on one side of a placing plate 2, a receiver 13 matched with the triggers 12 is mounted on one side in a protection box 1, the triggers 12 and the receiver 13 are electrically connected with a controller, when the placing plate 2 moves downwards to enable the triggers 12 to be in contact with the receiver 13, the active heat dissipation mechanism can be controlled to operate through the controller, the two triggers 12 are arranged, one of the triggers 12 is in contact with the receiver 13, and therefore the situation that the active heat dissipation mechanism cannot be controlled to operate through the controller when one of the triggers 12 and the receiver 13 goes wrong can be avoided.

The condition of this embodiment, place and be provided with the restriction piece on the board 2, lithium cell 4 installs on placing board 2, and the mounting means does not make the restriction, carries on spacingly to lithium cell 4 through stopper 3.

In an embodiment, the passive heat dissipation mechanism includes a plurality of first heat conducting rods 16 fixedly mounted at one end of the protection box 1, the first heat conducting rods 16 penetrate through the protection box 1, one end of each heat conducting rod extends into the protection box 1 and is fixedly connected with the first heat absorbing plate 15, a plurality of second heat conducting rods 18 are slidably disposed on two sides of the protection box 1, one end of each second heat conducting rod 18 extends into the protection box 1 and is fixedly connected with the second heat absorbing plate 17, the first heat absorbing plate 15 and the second heat absorbing plate 17 are made of heat absorbing materials, the first heat conducting rods 16 and the second heat conducting rods 18 are made of heat conducting materials, when the lithium battery 4 dissipates heat through the passive heat dissipation mechanism, the adjustment mechanism can drive the lithium battery 4 to move upwards, so that the top of the lithium battery 4 contacts with the first heat absorbing plate 15, the two side walls of the lithium battery 4 contact with the second heat absorbing plates 17, absorbed heat is dissipated outside the protection box 1 through the first heat conducting rods 16 and the second heat conducting rods 18, passive heat dissipation is achieved, and multiple sets of heat dissipating fins can be further arranged on the first heat conducting rods 16 and the second heat conducting rods 18 outside the protection box 1.

In one aspect of this embodiment, a blocking member is disposed on the second heat conducting rod 18, the blocking member includes a blocking block 20 fixedly mounted on the second heat conducting rod 18, an elastic member 19 is disposed on the second heat conducting rod 18 between the second heat absorbing plate 17 and the protection box 1, preferably, the elastic member 19 may be configured as a spring, two sides of the second heat absorbing plate 17 are provided with chutes, when the lithium battery 4 moves up to contact the passive heat dissipation mechanism, the lithium battery 4 may be directly clamped between the two second heat absorbing plates 17 through the chutes on two sides of the second heat absorbing plate 17 until the top of the lithium battery 4 abuts against the first heat absorbing plate 15, and in this process, the elastic member 19 is compressed, so that the second heat absorbing plate 17 may be tightly attached to the outer wall of the lithium battery 4, thereby ensuring the heat absorption effect, and the blocking block 20 is disposed to prevent the second heat conducting rod 18 from being separated from the protection box 1.

A condition of this embodiment, active heat dissipation mechanism includes ventilation frame 7 of fixed mounting in 1 one end of guard box, still can set up the filter screen on the ventilation frame 7, install support 8 in the ventilation frame 7, fixed mounting has second motor 9 on the support 8, second motor 9 output shaft fixed connection pivot 10, be provided with flabellum 11 in the pivot 10, when adjustment mechanism moves down and makes trigger 12 and receiver 13 contact, controller control second motor 9 starts this moment, and then drive pivot 10 rotates, drive flabellum 11 and rotate, produce suction, discharge guard box 1 with the heat in the guard box 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a lithium cell heat dissipation case, includes guard box and lithium cell, its characterized in that still includes:

2. The heat dissipation box for lithium batteries as recited in claim 1, wherein the placement plate is provided with a restriction block.

3. The heat dissipation case for lithium batteries as claimed in claim 1, wherein the passive heat dissipation mechanism comprises a plurality of first heat conduction rods fixedly mounted at one end of the protection case, the first heat conduction rods penetrate through the protection case, the heat conduction rods extend into the protection case, and are fixedly connected to the first heat absorption plates, a plurality of second heat conduction rods are slidably disposed at two sides of the protection case, and the second heat conduction rods extend into the protection case, and are fixedly connected to the second heat absorption plates.

4. The heat dissipation case for lithium batteries as claimed in claim 3, wherein the second heat conduction rod is provided with a blocking member, the blocking member comprises a blocking block fixedly mounted on the second heat conduction rod, and an elastic member is disposed on the second heat conduction rod between the second heat absorption plate and the protection case.

5. The heat dissipation box for lithium batteries as claimed in claim 4, wherein the second heat absorption plate is provided with inclined grooves at both sides thereof.

6. The lithium battery heat dissipation box of claim 1, wherein the active heat dissipation mechanism comprises a ventilation frame fixedly installed at one end of the protection box, a support is installed in the ventilation frame, a second motor is fixedly installed on the support, an output shaft of the second motor is fixedly connected with a rotating shaft, and fan blades are arranged on the rotating shaft.

7. The heat dissipation box for lithium batteries according to claim 1, wherein a temperature sensor is disposed on the lithium battery.