CN209982992U - Power module heat radiation structure system - Google Patents

Abstract

The utility model discloses a power module heat radiation structure system, which comprises a housin, set up a plurality of power module in the casing side by side along left and right directions, the front portion of casing is provided with a plurality of air intakes, the rear portion is provided with a plurality of air outlets, inside is provided with a plurality of convection current wind channels, a plurality of air intakes and a plurality of air outlet one-to-one, every convection current wind channel intercommunication air intake and corresponding air outlet, the casing all corresponds at every air intake department and installs a fan, each power module is located a corresponding convection current wind channel respectively, all be provided with a first heat dissipation strip on every power module, be provided with a plurality of second heat dissipation strips with casing heat conduction contact on the casing, a plurality of second heat dissipation strips and a plurality of first heat dissipation strips one-to-ones, all through the indirect heat conduction contact of heat conduction silica gel pad between every first heat dissipation strip; compared with the prior art, the utility model, it is reasonable to have a heat radiation structure, advantage that the radiating effect is good.

Description

Power module heat radiation structure system

Technical Field

The utility model belongs to the technical field of repayment type battery capability test equipment, in particular to a power module heat radiation structure system for repayment type battery capability test equipment.

Background

The traditional battery performance test equipment is used for cycle life test, multiplying power charge and discharge test, pulse charge and discharge test and DCIR (direct current internal resistance) test of various batteries, an air channel of a heat dissipation structure system of the traditional battery performance test equipment is mostly formed by the structure and the shape of a radiator, and a heat dissipation mode is also that a fan with certain power is adopted to directly blow out hot air with certain flow against the radiator, so that heat on the radiator is brought out. The radiator of the heat dissipation structure system has larger volume, relatively high cost and loose structure, so the whole heat dissipation structure system is huge, and if a plurality of groups of the heat dissipation structure systems are connected in parallel, larger space is needed. In order to connect multiple groups of heat dissipation structure systems in parallel and completely dissipate heat, the traditional battery performance test equipment only adopts a blowing mode of left-right air exhaust and heat dissipation, namely, a heat dissipation air duct of the heat dissipation structure system is arranged from left to right. The structure for radiating heat by left and right air exhaust has the defects that when a plurality of power supply modules are arranged in a single-group radiating structure side by side, the heat blown out from the left power supply module can influence the heat radiation of the right power supply module; secondly, when a plurality of power module heat dissipation structure systems are placed side by the left-right air exhaust heat dissipation mode, blown heat can be blown from one power module to the next power module, certain heat dissipation influence is formed on the next power module, and the defect causes that a user is required to separate more than 0.5 meter distance between two devices when the traditional test device is placed on a customer site, so that inconvenience is brought to production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a power module heat radiation structure system that heat radiation structure is reasonable, the radiating effect is better.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a power module heat sink structure system, comprising:

the air conditioner comprises a shell, a plurality of air inlets are arranged at the front part of the shell, a plurality of air outlets are arranged at the rear part of the shell, a plurality of convection air channels are arranged in the shell, the plurality of air inlets correspond to the plurality of air outlets one by one, each convection air channel is communicated with the air inlets and the corresponding air outlets, and a fan is correspondingly arranged at each air inlet of the shell;

a plurality of power module, it is a plurality of power module sets up side by side along the left and right sides the casing in, each power module be located a corresponding respectively to the wind channel in, every power module on all be provided with a first heat dissipation strip, the casing on be provided with a plurality ofly with the second heat dissipation strip of casing heat conduction contact, a plurality of second heat dissipation strip and a plurality of first heat dissipation strip one-to-one, every first heat dissipation strip with corresponding second heat dissipation strip between all through the indirect heat conduction contact of a heat conduction silica gel pad.

In the above technical solution, preferably, the housing includes an upper cover, a front panel, a rear panel, a left panel, a right panel, and a bottom panel, the plurality of power modules are all disposed on the bottom panel, each of the first heat dissipation strips is disposed on the upper portion of the corresponding power module, the plurality of second heat dissipation strips are disposed on the inner wall surface of the upper cover, the plurality of air inlets are disposed on the front panel, and the plurality of air outlets are disposed on the rear panel.

In the above technical solution, preferably, the front panel and the rear panel are both in a mesh structure, the plurality of meshes on the front panel form one air inlet, and the plurality of meshes on the rear panel form one air outlet.

In the above technical solution, preferably, the dust screen is detachably mounted on the inner side of the front panel.

In the above technical solution, preferably, an air guiding sheet is disposed between two adjacent convection air ducts, and the plurality of air guiding sheets are all abutted against and contacted between the upper cover and the bottom panel.

Compared with the prior art, the utility model obtain following beneficial effect: according to the power module heat dissipation structure system, the front part of the shell is provided with the air inlet, the rear part of the shell is provided with the air outlet, and the interior of the shell is provided with the convection air duct communicated with the air inlet and the air outlet, so that a front-back air exhaust convection heat dissipation mode is formed, and the influence on the heat dissipation effect among the power modules is avoided; the first radiating strips are arranged on the power modules, the second radiating strips are arranged on the inner wall surface of the shell and are in heat conduction contact with the inner wall surface of the shell through the heat conducting pad, so that heat generated by the power modules is radiated to the outside of the shell in a heat conduction mode, and the radiating effect is further improved by combining a convection radiating mode; when a plurality of power module heat radiation structure systems about or set up side by side in order constituting parallelly connected, can not produce the heat dissipation between each power module heat radiation structure system and influence, and whole power test equipment's structure can be compacter, saves space, the utility model discloses compare in prior art, it is reasonable to have a heat radiation structure, advantage that the radiating effect is good.

Drawings

Fig. 1 is a schematic structural diagram of a battery performance testing device formed by connecting a plurality of power module heat dissipation structure systems in parallel according to the present invention (a plurality of power module heat dissipation structure systems are stacked together along the up-down direction);

fig. 2 is a schematic structural diagram of the power module heat dissipation structure system of the present invention;

fig. 3 is a schematic diagram of the internal structure of the heat dissipation structure system of the power module of the present invention;

1000, battery performance test equipment; 100. a power module heat dissipation structure system; 1. a housing; 11. an upper cover; 12. a front panel; 13. a rear panel; 141. a left panel; 142. a right panel; 15. a bottom panel; 16. a convection air duct; 17. a fan; 18. a dust screen; 19. a wind guide sheet; 2. a power supply module; 21. a first heat sink strip.

Detailed Description

To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings.

As shown in fig. 1, the battery performance testing apparatus 1000 includes a plurality of power module heat dissipation structure systems 100 stacked together from top to bottom, and the plurality of power module heat dissipation structure systems 100 are connected in parallel, so that the structure is compact, and the whole apparatus is relatively light.

As shown in fig. 2 and 3, the heat dissipation structure 100 of the power module includes a housing 1 and a plurality of power modules 2 arranged side by side in the left-right direction in the housing 1. The housing 1 includes an upper cover 11, a front panel 12, a rear panel 13, a left panel 141, a right panel 142, and a bottom panel 15. The front panel 12 and the rear panel 13 are both in a mesh structure, a plurality of meshes on the front panel 12 form an air inlet 121, a plurality of air inlets 121 are formed on the front panel 12, a plurality of meshes on the rear panel 13 form an air outlet 131, and a plurality of air outlets 131 are formed on the rear panel 13. A plurality of convection air ducts 16 are arranged in the casing 1, specifically, a plurality of air guide sheets 19 are installed on the bottom panel 15, the upper end of each air guide sheet 19 is abutted against the inner surface of the upper cover 11, the plurality of air guide sheets 19 are arranged at intervals along the left-right direction, one convection air duct 16 is formed among the upper cover 11, the bottom panel 15, the left panel 141 and one air guide sheet 19, one convection air duct 16 is formed between two adjacent air guide sheets 19, one convection air duct 16 is also formed among the upper cover 11, the bottom panel 15, the right panel 142 and one air guide sheet 19, and each power module 2 is located in the corresponding convection air duct 16. In this way, since the convection air duct 16 is arranged in the front-rear direction, the heat radiation effect is not easily generated between the adjacent two power modules 2 arranged in the left-right direction. A fan 17 is mounted on the front panel 12 at each air inlet 121. Thus, each fan 17 generates flowing wind in the corresponding convection air duct, and the wind dissipates heat generated by the main power board of the power module 2 to the external environment through the air outlet 131. The dust screen 18 is detachably mounted on the inner side of the front panel 12, so that the situation that the heat dissipation performance is reduced due to the fact that the fan 17 sucks dust after working for a period of time is avoided. The air duct structure for the front and back air exhaust and convection heat dissipation does not depend on the space of two side panels, and is designed by considering the comfort level experience of debugging and maintenance personnel in the front operation of the shell.

Each of the power modules 2 is provided with a first heat dissipation strip 21 in heat-conducting contact with the power module 2, a plurality of second heat dissipation strips (not shown) in heat-conducting contact with the upper cover 11 are fixed on the inner wall surface of the upper cover 11, the plurality of second heat dissipation strips correspond to the plurality of first heat dissipation strips 21 one to one, and each of the first heat dissipation strips 21 is in heat-conducting contact with the corresponding second heat dissipation strip through a heat-conducting silica gel pad (not shown). The arrangement of the heat-conducting silica gel pad is convenient for the first and the second heat dissipation strips to be tightly attached and has good heat conduction effect and electric insulation effect. In this way, the heat generated by the main power board of the power module 2 is conducted to the second heat dissipation strip through the first heat dissipation strip 21, and then conducted to the upper cover 11 through the second heat dissipation strip, and finally dissipated to the external environment.

To sum up, the utility model discloses a power module heat radiation structure system is through the heat radiation structure who airs exhaust convection and heat-conduction combined together around setting up, compares in prior art, and it has the advantage that the structure is more compact, the radiating effect is better.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. A power module heat dissipation structure system, comprising:

the air conditioner comprises a shell (1), wherein the front part of the shell (1) is provided with a plurality of air inlets (121), the rear part of the shell is provided with a plurality of air outlets (131), the interior of the shell is provided with a plurality of convection air ducts (16), the plurality of air inlets (121) are in one-to-one correspondence with the plurality of air outlets (131), each convection air duct (16) is communicated with the air inlets (121) and the corresponding air outlets (131), and a fan (17) is correspondingly installed at each air inlet (121) of the shell (1);

a plurality of power module (2), it is a plurality of power module (2) set up side by side along the left and right sides direction casing (1) in, each power module be located a corresponding respectively in convection duct (16), every power module (2) on all be provided with a first heat dissipation strip (21), casing (1) on be provided with a plurality of with casing (1) heat conduction contact's second heat dissipation strip, a plurality of second heat dissipation strip and a plurality of first heat dissipation strip (21) one-to-one, every first heat dissipation strip (21) and corresponding second heat dissipation strip between all through a heat conduction silica gel pad indirect heat conduction contact.

2. The power module heat dissipation structural system of claim 1, wherein: casing (1) include upper cover (11), front panel (12), rear panel (13), left side board (141), right side board (142) and bottom panel (15), a plurality of power module (2) all set up bottom panel (15) on, each first heat dissipation strip (21) all set up correspondingly the upper portion of power module (2), it is a plurality of the second heat dissipation strip all set up on the internal face of upper cover (11), it is a plurality of air intake (121) all set up front panel (12) on, it is a plurality of air outlet (131) all set up rear panel (13) on.

3. The power module heat dissipation structural system of claim 2, wherein: the front panel (12) and the rear panel (13) are both in mesh structures, a plurality of meshes on the front panel (12) form one air inlet (121), and a plurality of meshes on the rear panel (13) form one air outlet (131).

4. The power module heat dissipation structural system of claim 3, wherein: the inner side of the front panel (12) is detachably provided with a dust screen (18).

5. The power module heat dissipation structural system of claim 2, wherein: an air guide sheet (19) is arranged between two adjacent convection air ducts (16), and the air guide sheets (19) are abutted and contacted between the upper cover (11) and the bottom panel (15).

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