CN212850226U

CN212850226U - IGBT module with low inductance and high current sharing

Info

Publication number: CN212850226U
Application number: CN202021372881.7U
Authority: CN
Inventors: 邱秀华; 邱嘉龙; 李志军; 朱永斌
Original assignee: Zhejiang Tianyi Semiconductor Technology Co ltd
Current assignee: Zhejiang Tianyi Semiconductor Technology Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-30
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a IGBT module that low inductance height flow equalized, which comprises a housin, the equal fixedly connected with bracing piece in both sides at casing inner chamber top, the bottom fixedly connected with backup pad of bracing piece, the bottom fixedly connected with heating panel of backup pad, the front side fixedly connected with module body of heating panel, the left side fixedly connected with temperature sensor of heating panel front side, the first water tank of left side fixedly connected with of heating panel rear side, the right side fixedly connected with second water tank of heating panel rear side, the inner chamber fixedly connected with baffle of second water tank. The utility model discloses possess triple radiating advantage, solved the IGBT module that current low inductance height flow equalized, in the use, because single structure only adopts single heating panel to dispel the heat to the module usually, lead to the module radiating effect not good to influence its life, and reduced the problem of IGBT module suitability.

Description

IGBT module with low inductance and high current sharing

Technical Field

The utility model relates to a IGBT module technical field specifically is a IGBT module that low inductance height flow equalizes.

Background

The IGBT is a core device for energy conversion and transmission, commonly known as the "CPU" of a power electronic device, and is used as a strategic emerging industry in the country, and has a wide application in the fields of rail transit, smart grid, aerospace, electric vehicles, new energy equipment, and the like.

The IGBT module can produce a large amount of heats at the during operation, and the IGBT module of current low inductance height flow equalizing because the structure is single, only adopts single heating panel to dispel the heat to the module usually, leads to the module radiating effect not good to influence its life, and reduced the suitability of IGBT module.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high IGBT module of flow equalizing of low inductance possesses triple radiating advantage, has solved the high IGBT module of flow equalizing of current low inductance, in the use, because the structure is single, only adopts single heating panel to dispel the heat to the module usually, leads to the module radiating effect not good to influence its life, and reduced the problem of IGBT module suitability.

In order to achieve the above object, the utility model provides a following technical scheme: the IGBT module comprises a shell, wherein support rods are fixedly connected to two sides of the top of an inner cavity of the shell, a support plate is fixedly connected to the bottom of each support rod, a heat dissipation plate is fixedly connected to the bottom of each support plate, a module body is fixedly connected to the front side of the heat dissipation plate, a temperature sensor is fixedly connected to the left side of the front side of the heat dissipation plate, a first water tank is fixedly connected to the left side of the rear side of the heat dissipation plate, a second water tank is fixedly connected to the right side of the rear side of the heat dissipation plate, a partition plate is fixedly connected to the inner cavity of the second water tank, a water pump is fixedly connected to the top of the partition plate, a water inlet pipe of the water pump penetrates through the bottom of the partition plate and is communicated with a water pumping pipe, a water outlet pipe of the water pump is communicated with a water delivery pipe, a heat, the left end and the first water tank of heat dissipation water pipe are linked together, the bottom intercommunication on first water tank right side has the circulating pipe, the right-hand member and the second water tank of circulating pipe are linked together, the left side fixedly connected with fan of casing inner chamber bottom, the air-supply line of fan runs through the casing, the play tuber pipe intercommunication of fan has defeated tuber pipe, the top intercommunication of defeated tuber pipe has the blower housing, the blower housing is located the bottom of heat dissipation water pipe, the louvre has been seted up at the top of casing.

Preferably, the right side fixedly connected with controller of heating panel front side, the controller respectively with temperature sensor, water pump and fan electric connection.

Preferably, the top of the first water tank is communicated with a water feeding pipe, and a pipe cap is sleeved on the surface of the water feeding pipe in a threaded manner.

Preferably, the both sides at casing top and the equal fixedly connected with mounting panel in both sides of bottom, the front side of mounting panel is opened and is equipped with the mounting hole.

Preferably, the two sides of the top of the support plate are provided with first bolts in a penetrating mode, and the bottom ends of the first bolts penetrate through the bottom of the support plate and are in threaded connection with the heat dissipation plate.

Preferably, a sealing plate is fixedly connected to the front side of the housing, second bolts penetrate through four corners of the front side of the sealing plate, and the rear ends of the second bolts penetrate through the rear side of the sealing plate and are in threaded connection with the housing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a body, the bracing piece, the backup pad, the heating panel, the module body, a weighing sensor and a temperature sensor, first water tank, the second water tank, the baffle, a water pump, the drinking-water pipe, the raceway, the heat dissipation water pipe, the circulating pipe, the fan, the cooperation of montant and defeated tuber pipe, triple radiating advantage is possessed, the IGBT module of current low inductance height flow equalizing has been solved, in the use, because single structure, only adopt single heating panel to dispel the heat to the module usually, lead to the module radiating effect not good, thereby influence its life, and the problem of IGBT module suitability has been reduced.

2. The utility model can stably support the heat dissipation plate by arranging the support rod and the support plate, can continuously absorb heat to the heat generated by the module body by arranging the heat dissipation plate, can monitor the temperature of the inner cavity of the shell in real time by arranging the first water tank and the second water tank, can store the cooling liquid, can carry out water-cooling heat dissipation on the surface of the heat dissipation plate by arranging the water pump, the water delivery pipe and the heat dissipation water pipe so as to improve the heat dissipation efficiency, can lead the cooling liquid in the inner cavities of the first water tank and the second water tank to circularly flow by arranging the circulating pipe, can carry out air-cooling heat dissipation on the heat dissipation plate and the heat dissipation water pipe by arranging the fan, the air delivery pipe and the air blowing cover so as to improve the heat dissipation effect, is convenient to add the cooling liquid to the inner cavity of the first water tank by arranging the water adding pipe, and is convenient, the casing is convenient to install and fix, and the parts in the inner cavity of the casing are convenient to overhaul by arranging the sealing plate.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

FIG. 2 is a schematic rear sectional view of the partial structure of the present invention;

FIG. 3 is a front view of the structure of the present invention;

fig. 4 is a schematic top view of the structure of the present invention.

In the figure: the device comprises a shell 1, supporting rods 2, supporting plates 3, heat dissipation plates 4, a module body 5, a temperature sensor 6, a first water tank 7, a second water tank 8, a partition plate 9, a water pump 10, a water pumping pipe 11, a water delivery pipe 12, a heat dissipation water pipe 13, a circulation pipe 14, a fan 15, a vertical rod 16, an air delivery pipe 17, an air blowing cover 18, heat dissipation holes 19, a controller 20, a water feeding pipe 21, a mounting plate 22, a sealing plate 23 and a second bolt 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a casing 1, bracing piece 2, backup pad 3, heating panel 4, module body 5, temperature sensor 6, first water tank 7, second water tank 8, baffle 9, water pump 10, raceway 12, heat dissipation water pipe 13, circulating pipe 14, fan 15, montant 16, air transmission pipe 17, cover 18 of blowing, louvre 19, controller 20, filler pipe 21, mounting panel 22, closing plate 23 and second bolt 24 part are the general standard or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a low-inductance high-current-sharing IGBT module includes a housing 1, mounting plates 22 are fixedly connected to both sides of the top and both sides of the bottom of the housing 1, mounting holes are formed in the front side of the mounting plates 22, the housing 1 is conveniently mounted and fixed by providing the mounting plates 22, a sealing plate 23 is fixedly connected to the front side of the housing 1, second bolts 24 are respectively disposed through four corners of the front side of the sealing plate 23, rear ends of the second bolts 24 are respectively disposed through the rear side of the sealing plate 23 and are in threaded connection with the housing 1, by providing the sealing plate 23, parts in the inner cavity of the housing 1 are conveniently overhauled, support rods 2 are fixedly connected to both sides of the top of the inner cavity of the housing 1, a support plate 3 is fixedly connected to the bottom ends of the support rods 2, by providing the support rods 2 and the support plate 3, the heat dissipation plate 4 can be stably supported, the bottom end of the first bolt penetrates through the bottom of the supporting plate 3 and is in threaded connection with the heat dissipation plate 4, the heat dissipation plate 4 is fixedly connected to the bottom of the supporting plate 3, heat generated by the module body 5 can be continuously absorbed by arranging the heat dissipation plate 4, the controller 20 is fixedly connected to the right side of the front side of the heat dissipation plate 4, the controller 20 is respectively electrically connected with the temperature sensor 6, the water pump 10 and the fan 15, the module body 5 is fixedly connected to the front side of the heat dissipation plate 4, the temperature sensor 6 is fixedly connected to the left side of the front side of the heat dissipation plate 4, the temperature of the inner cavity of the shell 1 can be monitored in real time by arranging the temperature sensor 6, the first water tank 7 is fixedly connected to the left side of the rear side of the heat dissipation plate 4, the top of the first water tank 7 is communicated with the water adding pipe 21, a pipe cap is sleeved on the, the right side of the rear side of the heat dissipation plate 4 is fixedly connected with a second water tank 8, cooling liquid can be stored by arranging a first water tank 7 and the second water tank 8, the inner cavity of the second water tank 8 is fixedly connected with a partition plate 9, the top of the partition plate 9 is fixedly connected with a water pump 10, a water inlet pipe of the water pump 10 penetrates through the bottom of the partition plate 9 and is communicated with a water pumping pipe 11, a water outlet pipe of the water pump 10 is communicated with a water delivery pipe 12, the rear side of the heat dissipation plate 4 is fixedly connected with a heat dissipation water pipe 13, the surface of the heat dissipation plate 4 can be subjected to water-cooling heat dissipation by arranging the water pump 10, the water delivery pipe 12 and the heat dissipation water pipe 13, the left end of the water delivery pipe 12 penetrates through the left side of the second water tank 8 and is communicated with the heat dissipation water pipe 13, the left end of the heat dissipation water pipe 13 is communicated with the first water tank 7, the bottom of the right side of the first water tank, the right end of the circulating pipe 14 is communicated with the second water tank 8, the left side of the bottom of the inner cavity of the shell 1 is fixedly connected with a fan 15, an air inlet pipe of the fan 15 penetrates through the shell 1, both sides of the bottom of the inner cavity of the shell 1 are fixedly connected with vertical rods 16, the top end of each vertical rod 16 is fixedly connected with an air conveying pipe 17, an air outlet pipe of the fan 15 is communicated with the air conveying pipes 17, the top of each air conveying pipe 17 is communicated with an air blowing cover 18, air cooling and heat dissipation can be performed on the heat dissipation plate 4 and the heat dissipation water pipe 13 by arranging the fan 15, the air conveying pipes 17 and the air blowing cover 18, so that the heat dissipation effect is improved, the air blowing cover 18 is positioned at the bottom of the heat dissipation water pipe 13, heat dissipation holes 19 are formed in the top of the shell 1, and the heat dissipation holes are formed in the shell 1, the support rod 2, the support, The cooperation of circulating pipe 14, fan 15, montant 16 and defeated tuber pipe 17 possesses triple radiating advantage, has solved the IGBT module of current low inductance height flow equalizing, and in the use, because the structure is single, only adopt single heating panel to dispel the heat to the module usually, lead to the module radiating effect not good to influence its life, and reduced the problem of IGBT module suitability.

When the cooling module is used, the heat dissipation plate 4 is fixed through the support rod 2 and the support plate 3, then the controller 20 controls the temperature sensor 6 to work, when the module body 5 works, a large amount of heat is generated, when the temperature sensor 6 detects that the temperature of the inner cavity of the shell 1 exceeds the temperature value set by the controller 20, the controller 20 controls the water pump 10 to operate, the water pump 10 starts to pump cooling liquid through the water pumping pipe, the cooling liquid is conveyed to the heat dissipation water pipe 13 under the action of the water pump 10 and the water conveying pipe 12, the heat dissipation water pipe 13 carries out circulating conveying on the cooling liquid, so that the heat on the surface of the heat dissipation plate 4 is cooled, then the controller 20 controls the fan 15 to operate, the fan 15 starts to suck external air through the air inlet pipe, the external air is conveyed to the air blowing cover 18 under the action of the fan 15 and the air conveying pipe 17, and the air is uniformly, thereby carry out the forced air cooling heat dissipation to heating panel 4 and heat dissipation water pipe 13, promote the radiating efficiency of module body 5, the hot-air of casing 1 inner chamber discharges out casing 1 through louvre 19.

In summary, the following steps: this low-inductance high-flow-equalizing IGBT module, through body 1, bracing piece 2, backup pad 3, heating panel 4, module body 5, temperature sensor 6, first water tank 7, second water tank 8, baffle 9, water pump 10, drinking-water pipe 11, raceway 12, heat dissipation water pipe 13, circulating pipe 14, fan 15, montant 16 and defeated tuber pipe 17's cooperation, the current low-inductance high-flow-equalizing IGBT module has been solved, in the use, because the structure is single, only adopt single heating panel to dispel the heat to the module usually, lead to the module radiating effect not good, thereby influence its life, and the problem of IGBT module suitability has been reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a IGBT module of low inductance high current sharing, includes casing (1), its characterized in that: the water-cooling water heater is characterized in that supporting rods (2) are fixedly connected to two sides of the top of an inner cavity of the shell (1), a supporting plate (3) is fixedly connected to the bottom of the supporting plate (3), a heat dissipation plate (4) is fixedly connected to the bottom of the supporting plate (3), a module body (5) is fixedly connected to the front side of the heat dissipation plate (4), a temperature sensor (6) is fixedly connected to the left side of the front side of the heat dissipation plate (4), a first water tank (7) is fixedly connected to the left side of the rear side of the heat dissipation plate (4), a second water tank (8) is fixedly connected to the right side of the rear side of the heat dissipation plate (4), a partition plate (9) is fixedly connected to the inner cavity of the second water tank (8), a water pump (10) is fixedly connected to the top of the partition plate (9), a water inlet pipe of the, the rear side fixedly connected with heat dissipation water pipe (13) of heating panel (4), the left end of raceway (12) runs through to the left side of second water tank (8) and is linked together with heat dissipation water pipe (13), the left end and first water tank (7) of heat dissipation water pipe (13) are linked together, the bottom intercommunication on first water tank (7) right side has circulating pipe (14), the right-hand member and second water tank (8) of circulating pipe (14) are linked together, the left side fixedly connected with fan (15) of casing (1) inner chamber bottom, the air-supply line of fan (15) runs through casing (1), the equal fixedly connected with montant (16) in both sides of casing (1) inner chamber bottom, the top fixedly connected with air delivery pipe (17) of montant (16), the play tuber pipe and air delivery pipe (17) of fan (15) are linked together, the top intercommunication of air delivery pipe (17) has blower housing (18), the air blowing cover (18) is located at the bottom of the heat dissipation water pipe (13), and heat dissipation holes (19) are formed in the top of the shell (1).

2. The IGBT module with low inductance and high current sharing according to claim 1, characterized in that: the right side fixedly connected with controller (20) of heating panel (4) front side, controller (20) respectively with temperature sensor (6), water pump (10) and fan (15) electric connection.

3. The IGBT module with low inductance and high current sharing according to claim 1, characterized in that: the top of first water tank (7) intercommunication has filler pipe (21), the surperficial screw thread cover of filler pipe (21) is equipped with the pipe cap.

4. The IGBT module with low inductance and high current sharing according to claim 1, characterized in that: the both sides at casing (1) top and the equal fixedly connected with mounting panel (22) in both sides of bottom, the front side of mounting panel (22) is opened and is equipped with the mounting hole.

5. The IGBT module with low inductance and high current sharing according to claim 1, characterized in that: the both sides at backup pad (3) top all run through and are provided with first bolt, the bottom of first bolt run through to the bottom of backup pad (3) and with heating panel (4) threaded connection.

6. The IGBT module with low inductance and high current sharing according to claim 1, characterized in that: the front side of the shell (1) is fixedly connected with a sealing plate (23), four corners of the front side of the sealing plate (23) are provided with second bolts (24) in a penetrating mode, and the rear ends of the second bolts (24) penetrate through the rear side of the sealing plate (23) and are in threaded connection with the shell (1).