CN219321449U

CN219321449U - Heat radiation plate

Info

Publication number: CN219321449U
Application number: CN202320657336.XU
Authority: CN
Inventors: 晁振华; 彭升政; 方小林; 谷秋雨; 刘晨南
Original assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Current assignee: Ningxia Baofeng Yuneng Technology Co Ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-07
Anticipated expiration: 2033-03-29

Abstract

The utility model belongs to the technical field of batteries, and particularly discloses a heat dissipation plate which comprises a heat dissipation box and a heat dissipation device, wherein a heat dissipation window is arranged on the heat dissipation box, the heat dissipation device comprises a position adjusting mechanism and a fan, the position adjusting mechanism can drive the fan to reciprocate in the heat dissipation box, so that air flow generated by the fan can pass through the heat dissipation window to cool a battery, and as the position of the fan can be adjusted, each part of the battery can be uniformly dissipated, the problem that the heat of the battery is accumulated at a certain position to cause the local overhigh temperature of the battery is avoided, the heat dissipation effect of the battery is good, and the service life of the battery is prolonged. The heat dissipation plate further comprises a filtering device, and the heat dissipation window can be shielded through the filtering device, so that large-particle dust or floating matters and the like are prevented from entering the heat dissipation box, the heat dissipation device inside the heat dissipation box is prevented from being damaged, and the service life of the heat dissipation device is prolonged.

Description

Heat radiation plate

Technical Field

The utility model relates to the technical field of batteries, in particular to a heat dissipation plate.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses nonaqueous electrolyte solution, and the lithium battery can generate a large amount of heat energy when releasing electric energy, so that the temperature of the battery is increased, the heating of the battery can not only influence the normal work of related parts in the battery, but also accelerate the aging process of the battery and shorten the service life, thus the lithium battery needs to be cooled in time. In the prior art, a heat dissipation plate is generally arranged outside a lithium battery to absorb heat of the lithium battery, the heat dissipation plate is generally composed of a fan and a plurality of heat conducting materials, the fan is fixed at a certain position of the heat dissipation plate to cool the lithium battery, however, the heat of the lithium battery is accumulated at a certain position because the fan is fixed in position and cannot move, the situation of uneven heat dissipation is easy to occur, the local temperature of the lithium battery is too high, and the normal use of the lithium battery is influenced.

Therefore, a heat dissipation plate is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a heat dissipation plate, the position of a fan inside the heat dissipation plate can be adjusted, so that uniform heat dissipation of a lithium battery is realized, heat accumulation in the lithium battery is avoided, the heat dissipation effect is good, and the service life is long.

To achieve the purpose, the utility model adopts the following technical scheme:

the present utility model provides a heat dissipation plate including:

the heat dissipation box is provided with a heat dissipation window;

the heat dissipation device is arranged in the heat dissipation box and comprises a position adjusting mechanism and a fan, the position adjusting mechanism is connected with the fan, the position adjusting mechanism drives the fan to reciprocate, and air flow generated by the fan can pass through the heat dissipation window to cool the battery;

the filter device is arranged in the radiating box and is used for shielding the radiating window.

Optionally, the heat dissipation box includes lid and casing, the lid with sealing connection between the casing, the heat dissipation window includes water conservancy diversion hole and ventilation hole, the water conservancy diversion hole set up in the lid, the ventilation hole set up in on the lateral wall of casing.

Optionally, the position adjustment mechanism includes driving piece, drive assembly and fly leaf, the driving piece is fixed in the casing, drive assembly's both ends respectively with the driving piece with the fly leaf transmission is connected, the fly leaf slides and sets up on two opposite lateral walls of casing, the fan is fixed on the fly leaf.

Optionally, the driving piece is servo motor, servo motor is fixed in the diapire of casing, drive assembly includes action wheel, follow driving wheel and belt, the action wheel with servo motor's output is connected, follow driving wheel rotatable setting on the transfer line, the transfer line pass through the bearing with the diapire swing joint of casing, the belt cover is established the action wheel with follow the driving wheel is last, the belt with the fly leaf is connected.

Optionally, a guide groove is formed in the movable plate, a connecting plate is fixed on the belt, a guide rod is arranged on the connecting plate, and the guide rod penetrates through the guide groove.

Optionally, the two opposite side walls of the shell are respectively provided with a first chute, two ends of the movable plate are respectively provided with a first sliding block, and the first sliding blocks are arranged in the first chutes in a sliding manner.

Optionally, the filter equipment includes first filter screen subassembly, first filter screen subassembly sets up heat abstractor with between the lid, first filter screen subassembly includes the framework, and is fixed in the first filter screen of framework, first filter screen is used for sheltering from the water conservancy diversion hole, be equipped with the mounting hole on the lateral wall of casing width direction, with be equipped with the spacing groove on the lateral wall of the casing that the mounting hole is relative, the framework is drawably set up in the mounting hole, the inserting end card of framework is established in the spacing groove, the pull end of framework is equipped with the handle.

Optionally, two opposite wall surfaces of the mounting hole are respectively provided with a second sliding groove, each second sliding groove is internally and slidably connected with a second sliding block, and the second sliding blocks are fixed on the frame body.

Optionally, the filtering device includes a second filter screen assembly including a fixing member and a second filter screen, the fixing member detachably mounting the second filter screen on the side wall of the housing, the second filter screen being used for shielding the ventilation hole.

Optionally, a heat-conducting silica gel plate is arranged on one side, close to the battery, of the cover body, an avoidance hole is formed in the heat-conducting silica gel plate, and the position of the avoidance hole coincides with the position of the diversion hole.

The beneficial effects of the utility model are as follows:

the utility model provides a heat radiation plate, which comprises a heat radiation box and a heat radiation device, wherein the heat radiation box is provided with a heat radiation window, the heat radiation device comprises a position adjusting mechanism and a fan, the position adjusting mechanism can drive the fan to reciprocate in the heat radiation box, so that air flow generated by the fan can pass through the heat radiation window to cool a battery, and as the position of the fan can be adjusted, each part of the battery can be uniformly radiated, the problem that the heat of the battery is accumulated at a certain position to cause the local temperature of the battery to be too high is avoided, the heat radiation effect of the battery is good, and the service life of the battery is prolonged. The heat dissipation plate further comprises a filtering device, and the heat dissipation window can be shielded through the filtering device, so that large-particle dust or floating matters and the like are prevented from entering the heat dissipation box, the heat dissipation device inside the heat dissipation box is prevented from being damaged, and the service life of the heat dissipation device is prolonged.

Drawings

Fig. 1 is a schematic structural view of a heat dissipating plate provided in an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a housing and a heat sink provided in an embodiment of the present utility model;

FIG. 4 is a top view of a housing and heat sink provided in an embodiment of the present utility model;

fig. 5 is a schematic view of a first screen assembly provided in an embodiment of the present utility model.

In the figure:

100. a heat dissipation box; 110. a cover body; 111. a deflector aperture; 120. a housing; 121. a vent hole; 122. a first chute; 123. a mounting hole; 1231. a second chute; 130. a thermally conductive silicone plate;

200. a position adjusting mechanism; 210. a movable plate; 211. a guide groove; 212. a first slider; 220. a driving member; 231. a driving wheel; 232. driven wheel; 233. a transmission rod; 234. a belt; 235. a connecting plate; 236. a guide rod;

300. a fan;

400. a first screen assembly; 410. a frame; 420. a first filter screen; 430. a handle; 440. a second slider;

500. a second screen assembly; 510. a second filter screen; 520. and a fixing piece.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 4, the present embodiment provides a heat dissipation plate that can be used to dissipate heat from a battery. Specifically, this heating panel includes heat dissipation box 100 and heat abstractor, heat abstractor all sets up inside heat dissipation box 100, be equipped with the heat dissipation window on the heat dissipation box 100, heat abstractor includes position adjustment mechanism 200 and fan 300, position adjustment mechanism 200 is connected with fan 300, and position adjustment mechanism 200 can drive fan 300 reciprocating motion in heat dissipation box 100, thereby the air current that fan 300 produced can pass the heat dissipation window in order to cool down the battery, because the position of fan 300 can be adjusted, consequently can evenly dispel the heat to each part of battery, avoid the heat accumulation of battery in a certain place, and then lead to the too high problem of local temperature of battery, the radiating effect of battery is good, be favorable to prolonging the life of battery. Illustratively, the heat dissipation plate in the present embodiment may be used for a lithium ion battery. Of course, in other embodiments, other types of batteries may be used.

Further, the heat dissipation plate further comprises a filtering device, the filtering device is arranged in the heat dissipation box 100, and the heat dissipation window can be shielded through the filtering device, so that large-particle dust or floating matters and the like are prevented from entering the heat dissipation box 100, the heat dissipation device inside the heat dissipation box 100 is prevented from being polluted, and the service life of the heat dissipation device is prolonged. Of course, the filtering devices are detachably connected with the heat dissipation box 100, so that the filtering devices are convenient to be detached and washed regularly.

With continued reference to fig. 1, the heat dissipation box 100 in this embodiment includes a cover 110 and a housing 120, where the cover 110 is fastened to the housing 120, and the cover 110 is connected to the housing 120 in a sealing manner, so that an inner cavity of the housing 120 can be sealed by setting the cover 110. Illustratively, the cover 110 and the housing 120 may be detachably connected by bolts or screws, etc. The casing 120 includes a bottom wall, two first side walls and two second side walls, the two first side walls are oppositely arranged along the length direction of the bottom wall, the two second side walls are oppositely arranged along the width direction of the bottom wall, and the bottom wall, the two first side walls and the two second side walls are jointly enclosed to form the casing 120.

Further, the heat dissipation window in this embodiment includes a diversion hole 111 and a ventilation hole 121, the diversion hole 111 is disposed on the cover 110, the ventilation hole 121 is disposed on two first side walls, and the airflow generated by the rotation of the fan blade of the fan 300 can be guided through the diversion hole 111 to dissipate heat of the battery, and the ventilation hole 121 is disposed to facilitate ventilation in the inner cavity of the housing 120. For example, the plurality of guide holes 111 may be provided, and the guide holes 111 may be elongated, and the plurality of guide holes 111 may be sequentially arranged along the length direction of the cover 110. The vent holes 121 are also provided in plural, and the vent holes 121 are elongated, and the plurality of vent holes 121 are sequentially arranged along the length direction of the first sidewall. Optionally, a heat-conducting silica gel plate 130 is further arranged on one side, close to the battery, of the cover body 110, an avoidance hole is formed in the heat-conducting silica gel plate 130, the position of the avoidance hole is overlapped with that of the diversion hole 111, the top of the heat-conducting silica gel plate 130 is in contact with the battery, heat conduction can be conducted to the battery through the heat-conducting silica gel plate 130, heat conduction efficiency is improved, and accordingly cooling of the battery is accelerated.

Referring to fig. 3 and 4, the position adjusting mechanism 200 includes a driving member 220, a driving assembly and a movable plate 210, wherein the driving member 220 is fixed on the bottom wall of the housing 120, two ends of the driving assembly are respectively connected with the driving member 220 and the movable plate 210 in a driving manner, the movable plate 210 is slidably disposed on the second side wall of the housing 120, and the fan 300 is fixed on the movable plate 210. It should be noted that, the fan 300 itself has a motor for driving the blades thereof to rotate, thereby generating an air flow.

In this embodiment, the driving member 220 may be a servo motor, the servo motor is fixed on the bottom wall of the housing 120, the transmission assembly includes a driving wheel 231, a driven wheel 232 and a belt 234, the driving wheel 231 and the driven wheel 232 are respectively disposed at two ends of the bottom wall in the length direction, the driving wheel 231 is connected with the output end of the servo motor, the driven wheel 232 is rotatably disposed on a driving rod 233, the driving rod 233 is movably connected with the bottom wall of the housing 120 through a bearing, the belt 234 is sleeved on the driving wheel 231 and the driven wheel 232, the belt 234 is connected with the movable plate 210, so that the servo motor can drive the driving wheel 231 to rotate, and the movable plate 210 moves along with the belt 234, thereby enabling the fan 300 to reciprocate along the length direction of the housing 120. Illustratively, when the servo motor rotates forward, the movable plate 210 moves rightward, and when the servo motor rotates reversely, the movable plate 210 moves leftward, so that the fan 300 on the movable plate 210 can cool each position of the battery, and uneven heat dissipation is avoided.

As an alternative, the movable plate 210 is provided with a strip-shaped guide groove 211, the belt 234 is fixed with a connecting plate 235, the connecting plate 235 is provided with a guide rod 236, and the guide rod 236 is arranged in the guide groove 211 in a penetrating manner, so that the left side and the right side of the guide rod 236 are abutted with the wall surface of the guide groove 211, and the movable plate 210 can be driven to synchronously move when the belt 234 moves.

Further, in this embodiment, the two second side walls of the housing 120 are respectively provided with a first sliding groove 122, two ends of the movable plate 210 are respectively provided with a first sliding block 212, the first sliding blocks 212 are slidably disposed in the corresponding first sliding grooves 122, and the first sliding blocks 212 are in a strip shape. Through the arrangement of the first sliding groove 122 and the first sliding block 212, the movable plate 210 can be stably supported, and meanwhile, the movement track of the movable plate 210 can be limited, so that the movable plate 210 is prevented from shifting in position during movement, and the movement stability of the movable plate is ensured.

Referring to fig. 2 and 5, the filtering device in this embodiment includes a first filter screen assembly 400, the first filter screen assembly 400 is disposed between the heat dissipating device and the cover 110, the first filter screen assembly 400 includes a frame 410 and a first filter screen 420, the first filter screen 420 is fixed in the frame 410, the first filter screen 420 is used for shielding the flow guiding hole 111, one of the second side walls of the housing 120 is provided with a mounting hole 123, the other second side wall is provided with a limiting slot (not shown in the drawing), the frame 410 is disposed in the mounting hole 123 in a drawable manner, an insertion end of the frame 410 is clamped in the limiting slot, and a drawing end of the frame 410 is provided with a handle 430. Through this kind of drawable setting mode, conveniently take out first filter screen subassembly 400 from the inner chamber of casing 120, can realize quick assembly disassembly, conveniently clear up and change first filter screen 420.

As a preferred solution, two opposite wall surfaces of the mounting hole 123 are respectively provided with a second sliding groove 1231, each second sliding groove 1231 is internally and slidably connected with a second sliding block 440, the second sliding blocks 440 are fixed on the frame 410, and two sides of the frame 410 are respectively provided with a second sliding block 440, and the second sliding blocks 440 are in a strip shape. Through the arrangement of the second sliding groove 1231 and the second sliding block 440, the frame body 410 can be stably supported, and the movement track of the frame body 410 is limited, so that the frame body 410 is prevented from shifting in position during drawing, and the quick assembly process is facilitated.

With continued reference to fig. 3, the filtering device in this embodiment further includes a second filter screen assembly 500, where the second filter screen assembly 500 includes a fixing member 520 and a second filter screen 510, the fixing member 520 detachably mounts the second filter screen 510 on the first side wall of the housing 120, and the second filter screen 510 is used to shield the vent hole 121, so as to prevent dust and the like from entering the housing 120, and damage to the heat dissipating device. Illustratively, the fixing member 520 may be a screw or a bolt, which has simple structure, convenient disassembly, low cost, and good fixing effect.

Illustratively, in this embodiment, the fan 300 and the servo motor are communicatively connected to a peripheral controller, and the peripheral controller can control the fan 300 to be turned on or off, and the peripheral controller can also control the servo motor to be turned on or off. The specific peripheral controller is a conventional setting in the art, and the specific structure thereof is not described herein, as long as the control function thereof can be realized.

The specific working principle is as follows:

firstly, the fan 300 is started through the external controller, external air flows into the heat dissipation box 100 through the vent holes 121, air flow generated by rotation of fan blades of the fan 300 is blown to the battery through the guide holes 111, so that the battery is cooled and dissipated, then the servo motor is started through the external controller, the output shaft of the servo motor rotates, the driving wheel 231 is driven to rotate, the driving wheel 231 drives the driven wheel 232 to rotate through the belt 234, meanwhile, the guide rod 236 moves along with the belt 234, the guide rod 236 drives the movable plate 210 to move along with the belt 234 in the shell 120 in a reciprocating manner, and therefore the battery is cooled and dissipated one by one, the effect of uniform heat dissipation is achieved, and the accumulation of heat of the battery is avoided, so that the local temperature is overhigh.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A heat dissipation plate, characterized in that the heat dissipation plate comprises:

a heat dissipation box (100), wherein a heat dissipation window is arranged on the heat dissipation box (100);

the heat dissipation device is arranged in the heat dissipation box (100) and comprises a position adjusting mechanism (200) and a fan (300), the position adjusting mechanism (200) is connected with the fan (300), the position adjusting mechanism (200) drives the fan (300) to reciprocate, and air flow generated by the fan (300) can pass through the heat dissipation window to cool the battery;

the filtering device is arranged in the radiating box (100) and used for shielding the radiating window.

2. The heat dissipating plate according to claim 1, wherein the heat dissipating case (100) includes a cover body (110) and a housing (120), the cover body (110) and the housing (120) are connected in a sealing manner, the heat dissipating window includes a diversion hole (111) and a ventilation hole (121), the diversion hole (111) is provided in the cover body (110), and the ventilation hole (121) is provided on a side wall of the housing (120).

3. The heat dissipating plate according to claim 2, wherein the position adjusting mechanism (200) includes a driving member (220), a transmission assembly and a movable plate (210), the driving member (220) is fixed to the housing (120), both ends of the transmission assembly are respectively in transmission connection with the driving member (220) and the movable plate (210), the movable plate (210) is slidably disposed on opposite side walls of the housing (120), and the fan (300) is fixed to the movable plate (210).

4. A cooling plate according to claim 3, wherein the driving member (220) is a servo motor, the servo motor is fixed on the bottom wall of the housing (120), the transmission assembly comprises a driving wheel (231), a driven wheel (232) and a belt (234), the driving wheel (231) is connected with the output end of the servo motor, the driven wheel (232) is rotatably arranged on a driving rod (233), the driving rod (233) is movably connected with the bottom wall of the housing (120) through a bearing, the belt (234) is sleeved on the driving wheel (231) and the driven wheel (232), and the belt (234) is connected with the movable plate (210).

5. The heat dissipating plate according to claim 4, wherein the movable plate (210) is provided with a guide groove (211), the belt (234) is fixed with a connecting plate (235), the connecting plate (235) is provided with a guide rod (236), and the guide rod (236) is inserted into the guide groove (211).

6. A heat dissipating plate according to claim 3, wherein the two opposite side walls of the housing (120) are provided with first sliding grooves (122), two ends of the movable plate (210) are provided with first sliding blocks (212), and the first sliding blocks (212) are slidably arranged in the first sliding grooves (122).

7. The heat dissipating plate according to claim 2, wherein the filter device comprises a first filter screen assembly (400), the first filter screen assembly (400) is disposed between the heat dissipating device and the cover body (110), the first filter screen assembly (400) comprises a frame body (410) and a first filter screen (420) fixed to the frame body (410), the first filter screen (420) is used for shielding the flow guiding hole (111), a mounting hole (123) is formed in a side wall of the housing (120) in the width direction, a limit groove is formed in a side wall of the housing (120) opposite to the mounting hole (123), the frame body (410) is disposed in the mounting hole (123) in a drawable manner, an insertion end of the frame body (410) is clamped in the limit groove, and a handle (430) is disposed at a drawing end of the frame body (410).

8. The heat dissipation plate according to claim 7, wherein two opposite wall surfaces of the mounting hole (123) are respectively provided with a second sliding groove (1231), and each second sliding groove (1231) is slidably connected with a second sliding block (440), and the second sliding blocks (440) are fixed on the frame body (410).

9. The heat dissipating plate according to claim 2, wherein the filtering means includes a second screen assembly (500), the second screen assembly (500) including a fixing member (520) and a second screen (510), the fixing member (520) detachably mounting the second screen (510) on a side wall of the case (120), the second screen (510) for shielding the vent hole (121).

10. The heat dissipation plate according to any one of claims 2 to 9, wherein a heat conduction silica gel plate (130) is arranged on one side, close to the battery, of the cover body (110), an avoidance hole is arranged on the heat conduction silica gel plate (130), and the position of the avoidance hole coincides with the position of the diversion hole (111).