CN219739075U - Heat radiation structure for lithium battery pack - Google Patents

Abstract

The utility model belongs to the technical field of lithium batteries, in particular to a heat dissipation structure for a lithium battery pack, which comprises a box body, wherein the front surface of the box body is rotationally connected with a box door, two sides of the bottom of the box body are fixedly connected with bases, two sides of the box body are provided with heat dissipation holes, a dustproof mechanism is arranged in the heat dissipation holes, two sides of the interior of the box body are jointly provided with the heat dissipation mechanism, the top wall of the interior of the box body is provided with a fixing groove, and a fixing plate is inserted into the fixing groove; through the setting of cooling mechanism, improved the inside cooling effect of box, prevent the damage of high temperature to elements such as lithium cell body, improved the life of device, can conveniently take out the maintenance to cooling mechanism, easy operation can prevent through dustproof mechanism's setting that the dust from entering into the box through the louvre and damaging the element, improved the life of device to can conveniently take out the washing and change to the dust guard fast, simple structure, the simple operation.

Description

Heat radiation structure for lithium battery pack

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a heat dissipation structure for a lithium battery pack.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, unlike a rechargeable battery lithium ion battery and a lithium ion polymer battery, the inventor of the lithium battery is edison, and the lithium battery has high requirements on environment due to the very active chemical characteristics of the lithium metal, so the lithium battery is not applied for a long time, along with the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasingly increased, high requirements are put on a power supply, and the lithium battery enters a large-scale practical stage.

One chinese patent of chinese patent application CN213459877U discloses a heat radiation structure for lithium battery, including casing and lithium battery, set up thermovent and two mounting grooves on the casing, be equipped with dustproof mechanism in the thermovent, two all be equipped with joint mechanism and drive mechanism in the mounting groove, two joint mechanism all extends to dustproof mechanism in and offsets tightly rather than the inner wall, two drive mechanism all with relative joint mechanism sliding connection, the inside wall fixed mounting of casing has spacing frame, be equipped with clean mechanism on the spacing frame, clean mechanism's lateral wall offsets with dustproof mechanism's lateral wall, the lateral wall of casing is equipped with pulling mechanism. The utility model has reasonable structural design, can rapidly detach the dustproof net from the heat radiation port when the dustproof net is damaged, is convenient for maintenance personnel to replace the dustproof net, can rapidly clean dust blocked on the dustproof net, and ensures normal heat radiation of the lithium battery.

With respect to the above and related art, the inventors believe that there are often the following drawbacks: most of the existing heat dissipation structures for lithium battery packs only dissipate heat in the lithium battery pack through heat dissipation holes or fans, so that the heat dissipation prevention effect is poor, the replacement structure of the dustproof net in the patent document is complex, and the replacement and other operations are very inconvenient; accordingly, a heat dissipation structure for a lithium battery pack is proposed to solve the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model solves the problems that the heat dissipation effect is poor when the interior of the lithium battery component is dissipated only through the heat dissipation holes or the fans, the replacement structure of the dustproof net in the patent document is complex, and the replacement operation and the like are very inconvenient.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a heat radiation structure for a lithium battery pack, which comprises a box body, wherein the front surface of the box body is rotationally connected with a box door, two sides of the bottom of the box body are fixedly connected with a base, two sides of the box body are provided with heat radiation holes, a dustproof mechanism is arranged in the heat radiation holes, two sides of the interior of the box body are jointly provided with the heat radiation mechanism, the top wall of the interior of the box body is provided with a fixing groove, a fixing plate is inserted in the fixing groove, the bottom of the fixing plate is inserted in lithium battery bodies, the number of the lithium battery bodies is multiple, the inner wall of the box body is fixedly connected with heat radiation fins, the heat radiation fins are positioned on the back surface of the lithium battery body, two sides of the interior of the box body are fixedly connected with mounting shells, the inside fixed mounting of installation shell has the fan, the mounting groove has been seted up to the top both sides of box, the slot has been seted up to the both sides of mounting groove, put the box in the position of needs, then utilize the base to support the box a height, thereby can prevent the water on ground and the bottom side direct contact of box, through a plurality of lithium cell bodies in the box, and when having individual lithium cell body to damage, through opening the chamber door, then take out the fixed plate from the fixed slot, later change the lithium cell body that damages on the fixed plate, peg graft the fixed plate in the inside of fixed slot after changing, then close the chamber door, can change the lithium cell body of single damage, cost of maintenance has been reduced, and convenient operation is swift.

Preferably, the heat dissipation mechanism comprises a water pipe, wherein mounting plates are fixedly connected to the tops of two sides of the water pipe, the mounting plates are inserted into the mounting grooves, inserting strips are fixedly connected to two sides of the mounting plates, and the inserting strips are inserted into the slots.

Preferably, one end of the water pipe penetrates through the bottom wall of the mounting plate and is fixedly connected with a feeding pipe, the other end of the water pipe penetrates through the bottom wall of the mounting plate and is fixedly connected with a discharging pipe, and the feeding pipe and the discharging pipe are located on the top side of the same mounting plate.

Preferably, the surface fixedly connected with refrigerator of joining pipe, just refrigerator fixedly connected with in the top of mounting panel, the surface fixedly connected with water pump of water pipe, just the water pump is located the bottom side of discharge pipe, has improved the inside cooling effect of box through heat dissipation mechanism, prevents the damage of high temperature to elements such as lithium cell body, has improved the life of device, can conveniently take out the maintenance to heat dissipation mechanism through the setting of mounting panel, mounting groove, cutting and slot, easy operation.

Preferably, the dustproof mechanism comprises a dustproof plate, limiting blocks are fixedly connected to two sides of the dustproof plate, limiting grooves are formed in the surface of the box body, the limiting grooves are located on two sides of the radiating holes, the limiting blocks are inserted into the limiting grooves, and clamping grooves are formed in the top of the dustproof plate.

Preferably, the holding tank has been seted up to the inside lateral wall of box, the holding tank is located the top side of louvre, the inside sliding connection of holding tank has the fixture block, fixture block and draw-in groove joint, common elastic connection has between the top of fixture block and the inner wall of holding tank to support tight spring, the through-hole has been seted up to the lateral wall of box, one side fixedly connected with ejector pad of fixture block, the ejector pad passes the outside that the through-hole extends to the box, can prevent through the setting of dustproof mechanism that the dust from entering into the box through the louvre and damaging the component, has improved the life of device to can conveniently take out washing and change the dust guard fast, simple structure, the simple operation.

The utility model has the advantages that:

1. according to the utility model, through the arrangement of the heat dissipation mechanism, when the heat dissipation mechanism is used for cooling and dissipating heat, water is added into the water pipe through the adding pipe, the cooled water enters the water pipe after being cooled by the refrigerator, the cooled water can cool the inside of the box body, meanwhile, the cooling effect of the inside of the box body is improved through the auxiliary heat dissipation of the fan and the heat dissipation fins, the damage of high temperature to elements such as a lithium battery body and the like is prevented, the service life of the device is prolonged, the water in the water pipe is continuously pumped out for operation through the action of the water pump, and finally, the water is discharged through the discharging pipe, when the heat dissipation mechanism is required to be maintained, the box door is opened, then the mounting plate is taken out from the mounting groove, meanwhile, the cutting is slipped out from the slot, the mounting plate is inserted into the mounting groove after the maintenance, and the box door is closed, the cooling mechanism can be conveniently taken out for maintenance through the arrangement of the mounting plate, the mounting groove, the cutting and the slot, and the operation is simple.

2. According to the utility model, through the arrangement of the dustproof mechanism, external air is dedusted through the dustproof plate, so that dust can be prevented from entering the box body to damage the element through the radiating hole, when the dustproof plate is disassembled, the push plate is pushed upwards, the clamping block is driven to move upwards in the accommodating groove by the push plate until the bottom end of the clamping block is separated from the clamping groove, so that the dustproof plate can be taken out from the radiating hole for cleaning or replacement, then when the cleaned or replaced dustproof plate is installed, the limiting block is inserted into the limiting groove, then the clamping block moves downwards under the action of the abutting spring until the clamping block is clamped between the clamping block and the clamping groove, and further, the dustproof plate can be prevented from entering the box body to damage the element through the radiating hole through the arrangement of the dustproof mechanism, the service life of the device is prolonged, the dustproof plate can be taken out for cleaning and replacement conveniently and rapidly, and the structure is simple, and the operation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the overall internal structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the case of the present utility model;

FIG. 4 is a schematic diagram of a heat dissipation mechanism according to the present utility model;

FIG. 5 is a side cross-sectional view of the mounting plate of the present utility model;

FIG. 6 is a schematic view of a dust-proof mechanism according to the present utility model;

fig. 7 is a front partial cross-sectional view of the case of the present utility model.

In the figure: 1. a case; 2. a door; 3. a base; 4. a heat radiation hole; 5. a dust-proof mechanism; 51. a dust-proof plate; 52. a limiting block; 53. a limit groove; 54. a clamping groove; 55. a receiving groove; 56. a clamping block; 57. a pressing spring; 58. a through hole; 59. a pushing block; 6. a heat dissipation mechanism; 61. a water pipe; 62. a mounting plate; 63. cutting; 64. adding a tube; 65. a discharge pipe; 66. a refrigerator; 67. a water pump; 7. a fixing groove; 8. a fixing plate; 9. a lithium battery body; 10. a heat sink; 11. a mounting shell; 12. a fan; 13. a mounting groove; 14. a slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a heat dissipation structure for a lithium battery pack includes a case 1, a case door 2 rotatably connected to the front of the case 1, a base 3 fixedly connected to two sides of the bottom of the case 1, heat dissipation holes 4 provided on two sides of the case 1, a dust prevention mechanism 5 provided inside the heat dissipation holes 4, heat dissipation mechanisms 6 provided on two sides of the inside of the case 1, a fixing groove 7 provided on the top wall of the inside of the case 1, a fixing plate 8 inserted inside the fixing groove 7, lithium battery bodies 9 inserted at the bottom of the fixing plate 8, a plurality of lithium battery bodies 9 fixedly connected with heat dissipation fins 10 on the inner wall of the case 1, the heat dissipation fins 10 located on the back of the lithium battery bodies 9, a mounting case 11 fixedly connected to two sides of the inside of the case 1, a fan 12 fixedly mounted inside the mounting case 11, mounting grooves 13 provided on two sides of the top of the case 1, slots 14 provided on two sides of the mounting groove 13, the box body 1 is placed at a required position, then the box body 1 is supported by the base 3 to be at a height, so that the ground water can be prevented from being in direct contact with the bottom side of the box body 1, power is supplied through a plurality of lithium battery bodies 9 in the box body 1, when a certain lithium battery body 9 is damaged, the box door 2 is opened, then the fixing plate 8 is taken out of the fixing groove 7, then the damaged lithium battery body 9 on the fixing plate 8 is replaced, then the fixing plate 8 is spliced in the fixing groove 7 after replacement, then the box door 2 is closed, the single damaged lithium battery body 9 can be replaced, the maintenance cost is reduced, the operation is convenient and quick, the cooling mechanism 6 is used for cooling the interior of the box body 1, meanwhile, the fan 12 in the installation shell 11 is used for blowing and radiating, the heat is further assisted by the radiating fin 10, finally, heat is discharged out of the box 1 through the heat radiation holes 4, and dust can be prevented from entering the box 1 through the heat radiation holes 4 by the dust prevention mechanism 5, so that the dust can be prevented from damaging the internal components of the box 1.

The heat dissipation mechanism 6 includes a water pipe 61, wherein the top parts of two sides of the water pipe 61 are fixedly connected with a mounting plate 62, the mounting plate 62 is inserted into the mounting groove 13, two sides of the mounting plate 62 are fixedly connected with inserting strips 63, and the inserting strips 63 are inserted into the slots 14.

Wherein, one end of the water pipe 61 passes through the bottom wall of the mounting plate 62 and is fixedly connected with the adding pipe 64, the other end of the water pipe 61 passes through the bottom wall of the mounting plate 62 and is fixedly connected with the discharging pipe 65, and the adding pipe 64 and the discharging pipe 65 are positioned on the top side of the same mounting plate 62.

The refrigerator 66 is fixedly connected to the surface of the adding pipe 64, the refrigerator 66 is fixedly connected to the top of the mounting plate 62, the water pump 67 is fixedly connected to the surface of the water pipe 61, the water pump 67 is located at the bottom side of the discharging pipe 65, water is added into the water pipe 61 through the adding pipe 64 and enters the water pipe 61 after being cooled by the refrigeration of the refrigerator 66, cooled water can cool the inside of the box 1, thereby improving the cooling effect of the inside of the box 1, preventing the lithium battery body 9 and other elements from being damaged by high temperature, prolonging the service life of the device, continuously pumping water in the water pipe 61 out through the action of the water pump 67, finally discharging the water through the discharging pipe 65, when the heat dissipation mechanism 6 needs to be maintained, opening the box door 2, then taking the mounting plate 62 out of the mounting groove 13, simultaneously sliding the cutting 63 out of the slot 14, inserting the mounting plate 62 into the mounting groove 13 after maintenance, and closing the box door 2.

Wherein, dustproof mechanism 5 includes dust guard 51, and limiting block 52 is fixedly connected with in the both sides of dust guard 51, and spacing groove 53 has been seted up on the surface of box 1, and spacing groove 53 is located the both sides of louvre 4, and limiting block 52 peg graft in the inside of spacing groove 53, and draw-in groove 54 has been seted up at the top of dust guard 51.

Wherein, the holding tank 55 has been seted up to the inside lateral wall of box 1, the holding tank 55 is located the topside of louvre 4, the inside sliding connection of holding tank 55 has fixture block 56, fixture block 56 and draw-in groove 54 joint, common elastic connection has the tight spring 57 of support between the inner wall of top and holding tank 55 of fixture block 56, the through-hole 58 has been seted up to the lateral wall of box 1, one side fixedly connected with ejector pad 59 of fixture block 56, ejector pad 59 passes the outside that the through-hole 58 extends to box 1, remove dust through dust guard 51, the inside of box 1 just can be entered into to the air after the dust removal, thereby can prevent that the dust from entering into box 1 through louvre 4 damages the component, after long-time use, a large amount of dust can be gathered on the surface of dust guard 51, thereby need wash or change it, when dismantling dust guard 51, upwards push pedal, the inside upward movement of ejector block 56 at holding tank 55, break away from between bottom and the draw-in groove 54, thereby can take out the plate 51 from the hole 4 and wash or change, later will wash or insert the inside stopper 53 when installing the card 51 and make the tight spring 57 down through the side of clamp block 54, afterwards, the effect is reached through the tight spring 53.

Working principle: the box body 1 is placed at a required position, then the box body 1 is supported to be high by the base 3, so that ground water can be prevented from directly contacting with the bottom side of the box body 1, power is supplied to a plurality of lithium battery bodies 9 in the box body 1, when individual lithium battery bodies 9 are damaged, the box door 2 is opened, then the fixing plate 8 is taken out of the fixing groove 7, then the damaged lithium battery bodies 9 on the fixing plate 8 are replaced, the fixing plate 8 is spliced in the fixing groove 7 after replacement, then the box door 2 is closed, and the single damaged lithium battery body 9 can be replaced, so that the maintenance cost is reduced, and the operation is convenient and quick;

the inside of the box body 1 is cooled by the cooling mechanism 6, meanwhile, the fan 12 in the installation shell 11 is used for blowing and cooling, the cooling fins 10 are used for further auxiliary cooling, finally, heat is discharged out of the box body 1 through the cooling holes 4, dust can be prevented from entering the inside of the box body 1 through the cooling holes 4 by the dustproof mechanism 5, and therefore the internal elements of the box body 1 can be prevented from being damaged by the dust;

when cooling and radiating through the radiating mechanism 6, water is added into the water pipe 61 through the adding pipe 64, cooling through the refrigeration of the refrigerator 66 and then entering the water pipe 61, the cooled water can cool the inside of the box 1, thereby improving the cooling effect inside the box 1, preventing the damage of high temperature to elements such as the lithium battery body 9 and the like, prolonging the service life of the device, continuously extracting and operating the water in the water pipe 61 through the action of the water pump 67, finally discharging the water through the discharging pipe 65, when the radiating mechanism 6 needs to be maintained, opening the box door 2, then taking out the mounting plate 62 from the mounting groove 13, simultaneously sliding out the inserting strip 63 from the inserting groove 14, inserting the mounting plate 62 into the mounting groove 13 after the maintenance, and closing the box door 2, and conveniently taking out and maintaining the radiating mechanism 6 through the arrangement of the mounting plate 62, the mounting groove 13, the inserting strip 63 and the inserting groove 14, thereby having simple operation;

when dustproof through dustproof mechanism 5, when outside air passes through louvre 4, at first can remove dust through dust guard 51, the inside that just can enter into box 1 after the dust removal, thereby can prevent that the dust from entering into box 1 through louvre 4 damages the component, after long-time use, dust guard 51's surface can gather a large amount of dust, thereby need wash or change it, when dismantling dust guard 51, upwards promote the push pedal, the push pedal drives fixture block 56 in the inside upward movement of holding tank 55, break away from between bottom and the draw-in groove 54 of fixture block 56, thereby can take out the dust guard 51 from louvre 4 and wash or change, later insert the stopper 52 to the inside of spacing groove 53 when installing with dust guard 51 after wasing or changing, afterwards make fixture block 56 downward movement through the effect of supporting spring 57, until the joint between fixture block 56 and draw-in groove 54, and then can make dust guard 51 be fixed in the inside of louvre 4, can prevent through dust guard 5's setting up and can prevent to enter into box 1 through louvre 4 and damage the component, and the service life of the device is improved, and the dust guard is convenient to take out, and the dust guard is easy to be washed with quick operation.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a heat radiation structure for lithium cell group, includes box (1), its characterized in that: the front rotation of box (1) is connected with chamber door (2), bottom both sides fixedly connected with base (3) of box (1), louvre (4) have been seted up to the both sides of box (1), the inside of louvre (4) is provided with dustproof mechanism (5), the inside both sides of box (1) are provided with cooling mechanism (6) jointly, fixed slot (7) have been seted up to the inside roof of box (1), peg graft in the inside of fixed slot (7) has fixed plate (8), peg graft in the bottom of fixed plate (8) has lithium cell body (9), the quantity of lithium cell body (9) sets up to a plurality ofly, the inner wall fixedly connected with fin (10) of box (1), fin (10) are located the back of lithium cell body (9), the inside both sides fixedly connected with installation shell (11) of box (1), the inside fixed mounting of installation shell (11) has fan (12), the both sides of installation slot (13) have been seted up at the top both sides of box (1).

2. The heat dissipation structure for a lithium battery pack according to claim 1, wherein: the heat dissipation mechanism (6) comprises a water pipe (61), wherein mounting plates (62) are fixedly connected to the tops of the two sides of the water pipe (61), the mounting plates (62) are inserted into the mounting grooves (13), cutting bars (63) are fixedly connected to the two sides of the mounting plates (62), and the cutting bars (63) are inserted into the slots (14).

3. The heat dissipation structure for a lithium battery pack according to claim 2, wherein: one end of the water pipe (61) penetrates through the bottom wall of the mounting plate (62) and is fixedly connected with an adding pipe (64), the other end of the water pipe (61) penetrates through the bottom wall of the mounting plate (62) and is fixedly connected with a discharging pipe (65), and the adding pipe (64) and the discharging pipe (65) are located on the top side of the same mounting plate (62).

4. A heat dissipation structure for a lithium battery pack according to claim 3, wherein: the surface of the adding pipe (64) is fixedly connected with a refrigerator (66), the refrigerator (66) is fixedly connected to the top of the mounting plate (62), the surface of the water pipe (61) is fixedly connected with a water pump (67), and the water pump (67) is located at the bottom side of the discharging pipe (65).

5. The heat dissipation structure for a lithium battery pack according to claim 1, wherein: dustproof mechanism (5) are including dust guard (51), both sides fixedly connected with stopper (52) of dust guard (51), spacing groove (53) have been seted up on the surface of box (1), just spacing groove (53) are located the both sides of louvre (4), stopper (52) peg graft in the inside of spacing groove (53), draw-in groove (54) have been seted up at the top of dust guard (51).

6. The heat dissipation structure for a lithium battery pack according to claim 5, wherein: the side wall of box (1) is inside to be seted up holding tank (55), holding tank (55) are located the top side of louvre (4), the inside sliding connection of holding tank (55) has fixture block (56), fixture block (56) and draw-in groove (54) joint, common elastic connection has between the top of fixture block (56) and the inner wall of holding tank (55) to support tight spring (57), through-hole (58) have been seted up to the side wall of box (1), one side fixedly connected with ejector pad (59) of fixture block (56), ejector pad (59) pass through-hole (58) and extend to the outside of box (1).