Cooling structure of battery pack tab

Abstract

The utility model discloses a cooling structure of a battery pack tab, which relates to the technical field of battery pack tab cooling, and comprises a whole battery pack and two tab bodies, the two tab bodies are respectively mounted on two end surfaces of the upper wall of the whole battery pack, and are respectively provided with two positioning threaded holes; the upper wall surfaces of the two tab bodies are respectively provided with two heat conduction sleeves, the upper wall surfaces of the two heat conduction sleeves are respectively provided with two locking threaded holes, the upper wall surfaces of the two tab bodies are connected with a cooling structure, the lower wall surface of the cooling structure is provided with a heat dissipation structure, and the outer wall surface of the heat dissipation structure is sleeved with an auxiliary structure; when the two temperature controllers detect that the temperatures of the two heat conduction sleeves reach a set value, the PN refrigeration sheet is activated, the temperatures of the two heat conduction plates are reduced, then the temperatures of the two tab bodies are reduced through the two heat conduction sleeves, and the problems that an existing cooling structure of the battery pack tab keeps running, and energy consumption is very serious are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery group pole lug cooling technical field, especially relates to a cooling structure of battery group pole lug. BACKGROUND

[0002] Battery pole lug is a raw material of lithium ion polymer battery product, is widely used in various batteries, such as mobile phone battery, bluetooth battery, notebook battery etc. The pole lug plays a vital role in the battery, it is the metal conductor that is led out from the positive and negative pole, and it is used as a contact point when charging and discharging. The main material of the pole lug includes aluminum material for the positive pole, and nickel material or copper plated nickel material for the negative pole, which is composed of two parts of film and metal strip.

[0003] The battery pole lug needs to cooperate with the cooling structure for heat dissipation when in use, and the traditional cooling structure of the battery group pole lug is usually integrally formed and fixed, which is very troublesome to disassemble and maintain after installation, and the existing cooling structure of the battery group pole lug keeps running, which consumes a lot of energy. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem that the traditional cooling structure of the battery group pole lug is usually integrally formed and fixed, which is very troublesome to disassemble and maintain after installation, and the existing cooling structure of the battery group pole lug keeps running, which consumes a lot of energy.

[0005] In order to solve the above technical problem, the technical scheme of the utility model is a cooling structure of a battery group pole lug, which comprises a battery group and two pole lug bodies. The two pole lug bodies are respectively installed on the two end faces of the upper wall of the battery group. Two positioning threaded holes are respectively formed in the two pole lug bodies. Two heat conduction sleeves are respectively installed on the upper wall surfaces of the two pole lug bodies. Two locking threaded holes are respectively formed in the upper wall surfaces of the two heat conduction sleeves. A cooling structure is connected to the upper wall surfaces of the two pole lug bodies. A heat dissipation structure is installed on the lower wall surface of the cooling structure. An auxiliary structure is sleeved on the outer wall surface of the heat dissipation structure.

[0006] As a further scheme of the utility model, the cooling structure comprises four locking screws, two temperature controllers, two temperature guide plates and a plurality of first heat dissipation fins. The four locking screws are respectively screwed into the four positioning threaded holes through the four locking threaded holes. The two temperature controllers are respectively installed on the two side surfaces of the two pole lug bodies. The two temperature guide plates are respectively connected in the two heat conduction sleeves. The plurality of first heat dissipation fins are respectively installed on the outer wall surfaces of the two temperature guide plates.

[0007] As a further scheme of the utility model: the heat dissipation structure includes: temperature insulation board, PN fixed plate, PN refrigeration sheet, heat conduction plate and a plurality of second heat dissipation fins, the temperature insulation board is installed on the lower wall of the battery pack whole, and is connected with two temperature guide plates, the PN fixed plate is installed on the lower wall of the temperature insulation board, the refrigeration end of the PN refrigeration sheet is installed on the PN fixed plate, and is connected with the lower wall of two temperature guide plates, the heat conduction plate is connected on the heat generating end of the PN refrigeration sheet, a plurality of second heat dissipation fins are installed on the lower wall of the heat conduction plate respectively.

[0008] As a further scheme of the utility model: the auxiliary structure includes: four bearing frames, air guide box and a plurality of auxiliary fans, four bearing frames are installed on the lower wall of the PN fixed plate respectively, the air guide box is sleeved on the outer wall of four bearing frames, a plurality of auxiliary fans are installed on the lower wall of the air guide box respectively.

[0009] As a further scheme of the utility model: a plurality of second heat dissipation fins are sequentially lengthened from both ends to the middle.

[0010] As a further scheme of the utility model: the lower wall of four bearing frames is provided with two auxiliary batteries.

[0011] As a further scheme of the utility model: the both sides of the air guide box are provided with a plurality of air guide holes.

[0012] The utility model adopts the above technical scheme, compared with prior art, has the following advantages:

[0013] By tightening four locking screws, two heat conduction sleeves and two tab bodies are in close contact, and two heat conduction sleeves and two temperature guide plates are in close contact, the heat conduction is strengthened, when the battery pack whole is disassembled, four locking screws are unscrewed, then two heat conduction sleeves are taken off from two temperature guide plates, the battery pack whole can be taken out from the air guide box, the problem that the traditional battery pack tab cooling structure is usually integrally formed and fixed, and it is very troublesome to disassemble and maintain after installation is solved.

[0014] When two temperature controllers detect that the temperature of two heat conduction sleeves reaches the set value, the PN refrigeration sheet is activated, the temperature of two temperature guide plates is reduced, and the temperature of two tab bodies is reduced through two heat conduction sleeves, the problem that the existing battery pack tab cooling structure keeps running and energy consumption is very serious is solved. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the battery pack tab cooling structure in the utility model embodiment;

[0016] Figure 2 It is the cooling structure schematic view of the battery pack tab cooling structure in the utility model embodiment;

[0017] Figure 3 It is the cooling structure schematic diagram of the battery pole lug of the utility model embodiment;

[0018] Figure 4 It is the auxiliary structure schematic diagram of the battery pole lug of the utility model embodiment.

[0019] In the drawing: 1, battery whole; 2, pole lug body; 3, positioning threaded hole; 4, heat conduction cover; 5, locking threaded hole; 6, locking screw; 7, temperature controller; 8, temperature guide plate; 9, first radiating fin; 10, temperature insulation plate; 11, PN fixed plate; 12, PN refrigerating fin; 13, heat conduction plate; 14, second radiating fin; 15, bearing frame; 16, air guide box; 17, auxiliary fan; 18, auxiliary battery; 19, air guide hole. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model will be further described below in combination with the drawings. It needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0021] Please refer to Figures 1-4 A kind of cooling structure of battery pole lug, including battery whole 1 and two pole lug bodies 2, two pole lug bodies 2 are respectively installed on the two end faces of the upper wall of battery whole 1, two pole lug bodies 2 are respectively provided with two positioning threaded holes 3, the upper wall of two pole lug bodies 2 is respectively provided with two heat conduction covers 4, the upper wall of two heat conduction covers 4 is respectively provided with two locking threaded holes 5, the upper wall of two pole lug bodies 2 is connected with cooling structure, the lower wall of cooling structure is installed with heat dissipation structure, the outer wall of heat dissipation structure is sleeved with auxiliary structure.

[0022] Please refer to Figure 2 Cooling structure includes: four locking screws 6, two temperature controllers 7, two temperature guide plates 8 and a plurality of first radiating fins 9;Four locking screws 6 are respectively screwed into four positioning threaded holes 3 through four locking threaded holes 5, two temperature controllers 7 are respectively installed on the two side faces of two pole lug bodies 2, two temperature guide plates 8 are respectively connected in two heat conduction covers 4, a plurality of first radiating fins 9 are respectively installed on the outer wall of two temperature guide plates 8.

[0023] Please refer to Figure 3The heat dissipation structure comprises: a temperature insulation plate 10, a PN fixing plate 11, a PN refrigeration sheet 12, a heat conduction plate 13 and a plurality of second heat dissipation fins 14; the temperature insulation plate 10 is installed on the lower wall surface of the battery pack 1 and connected with the two temperature guide plates 8, the PN fixing plate 11 is installed on the lower wall surface of the temperature insulation plate 10, the refrigeration end of the PN refrigeration sheet 12 is installed on the PN fixing plate 11 and connected with the lower wall surface of the two temperature guide plates 8, the heat conduction plate 13 is connected with the heat generation end of the PN refrigeration sheet 12, and the plurality of second heat dissipation fins 14 are respectively installed on the lower wall surface of the heat conduction plate 13.

[0024] Please refer to Figure 4 The auxiliary structure comprises: four load-bearing frames 15, an air guide box 16 and a plurality of auxiliary fans 17; the four load-bearing frames 15 are respectively installed on the lower wall surface of the PN fixing plate 11, the air guide box 16 is sleeved on the outer wall surface of the four load-bearing frames 15, and the plurality of auxiliary fans 17 are respectively installed on the lower wall surface of the air guide box 16.

[0025] Please refer to Figure 3 The plurality of second heat dissipation fins 14 are arranged in sequence from both ends to the middle in lengthening, in use, the plurality of second heat dissipation fins 14 are arranged in sequence from both ends to the middle in lengthening, the contact area with the circulating air is increased, and the heat dissipation effect of the heat conduction plate 13 is increased.

[0026] Please refer to Figure 4 The lower wall surface of the four load-bearing frames 15 is provided with two auxiliary batteries 18, in use, the two auxiliary batteries 18 are used for supplying power to the PN refrigeration sheet 12 and the plurality of auxiliary fans 17.

[0027] Please refer to Figure 4 The two side surfaces of the air guide box 16 are respectively provided with a plurality of air guide holes 19, in use, the plurality of auxiliary fans 17 are started, air in the air guide box 16 is discharged outward, air outside the air guide box 16 is introduced along the plurality of air guide holes 19 at the same time, and the circulating air is formed.

[0028] In the embodiment, by tightening the four locking screws 6, the two heat conduction sleeves 4 are in close contact with the two tab bodies 2 and the two temperature guide plates 8, the heat conduction is strengthened, when the battery pack 1 is disassembled, the four locking screws 6 are unscrewed, then the two heat conduction sleeves 4 are taken off from the two temperature guide plates 8, and the battery pack 1 can be taken out from the air guide box 16.

[0029] Specifically, by tightening the four locking screws 6, the two heat-conducting sleeves 4 are in close contact with the two tab bodies 2, and the two heat-conducting sleeves 4 are in close contact with the two temperature plates 8, thereby enhancing the heat conduction, and the two tab bodies 2 transmit heat to the two temperature plates 8 through the two heat-conducting sleeves 4, and the two temperature plates 8 dissipate heat through the first heat dissipation fins 9, during which the two temperature plates 8 are separated from the side wall of the battery pack 1 through the two heat-conducting sleeves 4, and the two temperature plates 8 are separated from the lower wall of the battery pack 1 through the temperature insulation plates 10, when the battery pack 1 is disassembled, the four locking screws 6 are unscrewed, and then the two heat-conducting sleeves 4 are removed from the two temperature plates 8, and the battery pack 1 can be taken out of the air guide box 16.

[0030] In the embodiment, when the two temperature controllers 7 detect that the temperature of the two heat-conducting sleeves 4 reaches the set value, the PN refrigeration sheet 12 is activated to reduce the temperature of the two temperature plates 8, and then the temperature of the two tab bodies 2 is reduced through the two heat-conducting sleeves 4.

[0031] Specifically, when the heat dissipation effect of the first heat dissipation fins 9 is insufficient to reduce the temperature of the two tab bodies 2, the two heat-conducting sleeves 4 gradually increase in temperature, when the two temperature controllers 7 detect that the temperature of the two heat-conducting sleeves 4 reaches the set value, the PN refrigeration sheet 12 is activated, and the auxiliary fans 17 are started to exhaust the air inside the air guide box 16, and at the same time, the air outside the air guide box 16 is introduced along the air guide holes 19 to form circulating air, during which the circulating air passes through the second heat dissipation fins 14 to complete the heat dissipation of the PN refrigeration sheet 12, the second heat dissipation fins 14 are arranged from both ends to the middle in turn, increasing the contact area with the circulating air and increasing the heat dissipation effect of the heat-conducting plate 13, at the same time, the refrigeration end of the PN refrigeration sheet 12 starts to work to reduce the temperature of the two temperature plates 8, and then the temperature of the two tab bodies 2 is reduced through the two heat-conducting sleeves 4, and the two auxiliary batteries 18 are used to supply power to the PN refrigeration sheet 12 and the auxiliary fans 17, when the two auxiliary batteries 18 are insufficient, the battery pack 1 is used to charge the two auxiliary batteries 18.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A cooling structure of a battery pack tab, comprising a battery pack whole (1) and two tab bodies (2), characterized in that, Two said lug bodies (2) are respectively installed on the two end faces of the upper wall of the battery pack (1), two said lug bodies (2) are respectively provided with two positioning threaded holes (3), the upper wall surface of two said lug bodies (2) is respectively provided with two heat conduction sleeves (4), the upper wall surface of two said heat conduction sleeves (4) is respectively provided with two locking threaded holes (5), two said lug bodies (2) are connected with cooling structure, the lower wall surface of said cooling structure is provided with heat dissipation structure, the outer wall surface of said heat dissipation structure is sleeved with auxiliary structure.

2. The cooling structure of a battery tab according to claim 1, wherein Said cooling structure comprises: four locking screws (6), two temperature controllers (7), two temperature guide plates (8) and a plurality of first heat dissipation fins (9); Four said locking screws (6) are screwed into four positioning threaded holes (3) through four locking threaded holes (5), two said temperature controllers (7) are respectively installed on the two side faces of two lug bodies (2), two said temperature guide plates (8) are respectively connected in two heat conduction sleeves (4), and a plurality of said first heat dissipation fins (9) are respectively installed on the outer wall surface of two temperature guide plates (8).

3. The cooling structure of a battery tab according to claim 2, wherein Said heat dissipation structure comprises: temperature insulation plate (10), PN fixed plate (11), PN refrigeration sheet (12), heat conduction plate (13) and a plurality of second heat dissipation fins (14); Said temperature insulation plate (10) is installed on the lower wall surface of the battery pack (1) and connected with two temperature guide plates (8), said PN fixed plate (11) is installed on the lower wall surface of the temperature insulation plate (10), the refrigeration end of said PN refrigeration sheet (12) is installed on the PN fixed plate (11) and connected with the lower wall surface of two temperature guide plates (8), said heat conduction plate (13) is connected to the heat generating end of the PN refrigeration sheet (12), and a plurality of said second heat dissipation fins (14) are respectively installed on the lower wall surface of the heat conduction plate (13).

4. The cooling structure of a battery tab according to claim 3, wherein Said auxiliary structure comprises: four load-bearing frames (15), air guide box (16) and a plurality of auxiliary fans (17); Four said load-bearing frames (15) are respectively installed on the lower wall surface of the PN fixed plate (11), said air guide box (16) is sleeved on the outer wall surface of four load-bearing frames (15), and a plurality of said auxiliary fans (17) are respectively installed on the lower wall surface of the air guide box (16).

5. The cooling structure of a battery tab according to claim 3, wherein A plurality of said second heat dissipation fins (14) are arranged from both ends to the middle in turn.

6. The cooling structure of a battery tab according to claim 4, wherein The lower wall surface of four said load-bearing frames (15) is provided with two auxiliary batteries (18).

7. The cooling structure of a battery tab according to claim 4, wherein The two side faces of said air guide box (16) are respectively provided with a plurality of air guide holes (19).

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