CN211047701U

CN211047701U - Heat radiator for generator controller

Info

Publication number: CN211047701U
Application number: CN201922131381.8U
Authority: CN
Inventors: 朱毅; 陈国培; 李昭代; 曾培煌; 陈昆; 郭新华
Original assignee: Xiamen Wise Electrical Technology Co ltd
Current assignee: Xiamen Wise Electrical Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-17
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a heat dissipation device of a generator controller, belonging to the technical field of heat dissipation of the generator controller, comprising a shell, a liquid inlet pipe and a liquid outlet pipe which are arranged at the same side of the shell, a heat dissipation area and a cover plate for sealing the heat dissipation area are arranged in the shell, the heat dissipation area comprises a first heat dissipation water channel and a second heat dissipation water channel which are connected with each other, the first heat dissipation water channel is connected with the liquid inlet pipe, the second heat dissipation water channel is connected with the liquid outlet pipe, just first heat dissipation water course is provided with a plurality of radiating fin along the coolant flow direction, radiating fin separates first heat dissipation water course for a plurality of unit heat dissipation channel, the utility model has the advantages of can fully take away the heat on the radiating fin, keep the difference in temperature at feed liquor pipe and drain pipe both ends, make the heat dissipation tend to steadily gradually, and then the inside component of protection casing avoids the damage.

Description

Heat radiator for generator controller

Technical Field

The utility model relates to a generator control ware heat dissipation technical field specifically is a heat abstractor of generator control ware.

Background

The generator controller is an independent motor controller applied to an automobile engine compartment, and an Insulated Gate Bipolar Transistor (IGBT) module as an internal core component is damaged due to overheating, so that the damage of the IGBT module becomes a key factor restricting the development of the IGBT. In order to ensure the stable and reliable operation of the controller, besides the design of the stabilizing circuit, various heat dissipation methods such as air cooling and water cooling are widely used, wherein the water cooling type heat dissipation system is used mostly.

In the motor controller, in order to dissipate heat of the high-power device, water flowing in a water channel is generally used for taking away the temperature. The existing heat dissipation area substrate mostly adopts pure serial or parallel running water heat dissipation, has a single internal structure and insufficient heat dissipation efficiency, and causes uneven heat of a high-power device, and easily damages part of the high-power device.

Based on this, the utility model designs a heat abstractor of generator control ware to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat abstractor of generator control ware to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat abstractor of generator control ware, includes the casing, sets up feed liquor pipe and drain pipe that the casing is with one side, be provided with the radiating area in the casing and be used for sealing the apron of radiating area, the radiating area includes interconnect's first heat dissipation water course and second heat dissipation water course, first heat dissipation water course is connected with the feed liquor union coupling, second heat dissipation water course is connected with the drain pipe, just first heat dissipation water course is provided with a plurality of radiating fin along the coolant flow direction, radiating fin separates first heat dissipation water course for a plurality of unit radiating passage.

Preferably, the second heat dissipation water channel is distributed in a linear manner, the tail end of the second heat dissipation water channel faces the liquid inlet pipe, the first heat dissipation water channel is distributed in a U shape, the opening direction of the first heat dissipation water channel is parallel to the connecting line of the liquid inlet pipe and the liquid outlet pipe, one end of the first heat dissipation water channel is connected with the second heat dissipation water channel, and the other end of the first heat dissipation water channel extends outwards to the liquid inlet pipe.

Preferably, a plurality of drainage sheets are arranged at the corners of the first heat dissipation water channel.

Preferably, one end of the first heat dissipation water channel close to the liquid inlet pipe is provided with a divergent section, and the size of the opening of the divergent section towards the direction of the liquid inlet pipe is gradually reduced.

Preferably, a plurality of flow equalizing blocks are arranged in the second heat dissipation water channel and close to the outlet end of the unit heat dissipation channel.

Preferably, the flow equalizing blocks are cylindrical and arranged in multiple rows, a plurality of flow equalizing blocks form a triangle, and the number of the flow equalizing blocks close to the outlet end of the unit heat dissipation channel is smaller than that of the other end of the unit heat dissipation channel.

Preferably, the heat dissipation area is provided with a plurality of locking bolts for locking the cover plate between the first heat dissipation water channel and the second heat dissipation water channel and on the peripheral side edge of the heat dissipation area, and a sealing gasket is arranged between the cover plate and the heat dissipation area.

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

the utility model discloses set up the radiating area in the casing, and divide into first radiating water course and second radiating water course with the radiating area, set up continuous radiating fin in first radiating water course, form a plurality of unit radiating channels, when generator controller is worked, IGBT module and other components give off the heat, transmit to the first radiating water course and the second radiating water course in the radiating area, the heat is gathered on the radiating fin in the first radiating water course, therefore the coolant absorbs the heat in the first radiating water course and the heat on the radiating fin of both sides at first when entering first radiating water course along the feed liquor pipe, finally flow to the drain pipe by the other end of unit radiating channel, finally discharge the heat, therefore, the radiating fin that sets up in succession takes away the heat more coherent, can be effective, stabilize the water conservancy diversion, make the coolant fully take away the heat on the radiating fin, keep the difference in temperature of feed liquor pipe and drain pipe both ends, the heat dissipation gradually tends to be stable, the heat is kept uniform, and then elements in the shell are protected from being damaged.

The utility model discloses set up the second heat dissipation water course into the linear type, set up first heat dissipation water course into the U-shaped, can enlarge the flow range of coolant from this, make the heat of each position fully absorbed, and then reach the radiating effect of reinforcing.

The utility model discloses set up a plurality of drainage pieces in the corner of first heat dissipation water course, the drainage piece can turn to at its corner auxiliary cooling agent, reduces the velocity of flow loss of radiating agent in the corner, makes the radiating agent remain stable the velocity of flow to it tends to stable to make the heat dissipation.

The utility model discloses the entry end at first heat dissipation water course sets up the gradual expansion section, can change into even flow direction each unit heat dissipation channel by keeping certain velocity of flow when guiding the coolant flow direction unit heat dissipation channel from this, makes each heat dissipation channel's water yield keep the equilibrium.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of an exploded structure of the present embodiment;

FIG. 3 is a schematic diagram of a partial top view of the heat dissipation area of the present embodiment;

FIG. 4 is a schematic diagram illustrating a partial structure of a salient current-sharing block in this embodiment;

fig. 5 is an enlarged schematic view of a portion a in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a heat dissipation area; 41. a first heat sink channel; 42. a second heat sink channel; 421. flow equalizing blocks; 43. a heat dissipating fin; 44. a unit heat dissipation channel; 45. a drainage sheet; 46. a gradual expansion section; 47. locking the bolt; 48. a sealing gasket; 5. and (7) a cover plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a heat abstractor of generator control ware, including the whole casing 1 that is the cuboid form, install feed liquor pipe 2 and drain pipe 3 in casing 1 same one side, casing 1 one side is installed square heat dissipation district 4 and is used for sealing the apron 5 of heat dissipation district 4, heat dissipation district 4 includes interconnect's first heat dissipation water course 41 and second heat dissipation water course 42, first heat dissipation water course 41 is connected with feed liquor pipe 2, second heat dissipation water course 42 is connected with drain pipe 3, and first heat dissipation water course 41 is fixed with a plurality of radiating fin 43 along the coolant flow direction an organic whole, radiating fin 43 separates first heat dissipation water course 41 into a plurality of unit radiating passage 44.

Preferably, the coolant used in this embodiment is 50% coolant and 50% glycol.

Preferably, the second heat dissipation water channels 42 are distributed in a linear manner, the tail ends of the second heat dissipation water channels face the liquid inlet pipe 2, the first heat dissipation water channels 41 are distributed in a U-shaped manner, the opening directions of the first heat dissipation water channels are parallel to the connection line of the liquid inlet pipe 2 and the liquid outlet pipe 3, one ends of the first heat dissipation water channels 41 are connected with the first heat dissipation water channels 41, and the other ends of the first heat dissipation water channels 41 are bent outwards and extend to the liquid inlet pipe 2, so that the flowing range of the heat dissipation agent can be enlarged, heat at each position is fully absorbed, and.

In particular, it is possible to selectively install the element having a small heat radiation in the corresponding region of the second heat radiation water channel 42 and the element having a large heat radiation in the corresponding region of the first heat radiation water channel 41, thereby making it possible to sufficiently utilize the different heat radiation performance of each region and stabilize the heat radiation.

Preferably, a plurality of drainage sheets 45 in an arc transition shape are integrally fixed at the corners of the first heat dissipation water channel 41, and the drainage sheets 45 can assist the heat dissipation agent to turn at the corners, so that the flow rate loss of the heat dissipation agent at the corners is reduced, the heat dissipation agent keeps a stable flow rate, and the heat dissipation tends to be stable.

Preferably, an expanding section 46 is fixed at one end of the first heat dissipation water channel 41 close to the liquid inlet pipe 2, the size of the opening of the expanding section 46 towards the liquid inlet pipe 2 is gradually reduced, otherwise, the opening is gradually increased after the heat dissipation agent enters the second heat dissipation water channel 41 from the liquid inlet pipe 2, so that the heat dissipation agent can be guided to flow to the unit heat dissipation channels 44 from a state of keeping a certain flow speed to uniformly flow to each unit heat dissipation channel 44, and the water quantity of each unit heat dissipation channel 44 is kept balanced.

Preferably, a plurality of flow equalizing blocks 421 are fixed in the second heat dissipation water channel 42 and near the outlet end of the unit heat dissipation channel 44, the flow equalizing blocks 421 are cylindrical and multiple rows, the flow equalizing blocks 421 form a triangle, the number of the flow equalizing blocks 421 near the outlet end of the unit heat dissipation channel 44 is smaller than that of the other end, the heat dissipation agent entering the second heat dissipation water channel 42 can be more uniform through the flow equalizing blocks 421, and the overall heat dissipation condition tends to be stable.

Preferably, a plurality of locking bolts 47 for locking the cover plate 5 are installed at the edges of the heat dissipation area 4 between the first heat dissipation water channel 41 and the second heat dissipation water channel 42 and at the edges of the periphery of the heat dissipation area 4, the locking bolts 47 are distributed at the edges of the rectangular frames of the heat dissipation area 4, the locking bolts 47 are also installed at the separation positions of the first heat dissipation water channel 41 and the second heat dissipation water channel 42, grooves (not shown in the figure) corresponding to the edges of the first heat dissipation water channel 41 and the second heat dissipation water channel 42 are dug in the heat dissipation area 4, sealing gaskets 48 are installed in the grooves, corresponding sealing gaskets 48 are also installed at the lower ends of the locking bolts 47 at the separation positions of the first heat dissipation water channel 41 and the second heat dissipation water channel 42, and through the sealing gaskets 48, the heat dissipation agent can be kept in the heat dissipation area 4, and is prevented.

One specific application of this embodiment is:

the utility model discloses set up heat dissipation area 4 in casing 1, and divide into first heat dissipation water course 41 and second heat dissipation water course 42 with heat dissipation area 4, set up continuous radiating fin 43 in first heat dissipation water course 41, form a plurality of unit heat dissipation channel 44, when generator controller during operation, IGBT module and other components give off the heat, transmit on first heat dissipation water course 41 and the second heat dissipation water course 42 in heat dissipation area 4, heat accumulation is on radiating fin 43 in first heat dissipation water course 41, consequently, the heat in first heat dissipation water course 41 is at first absorbed when the coolant gets into first heat dissipation water course 41 along feed liquor pipe 2, and the heat on both sides radiating fin 43, finally flow to drain pipe 3 by unit heat dissipation channel 44's other end, the heat is taken away in final discharge.

In conclusion, the continuously arranged heat dissipation fins 43 are more continuous, and can effectively and stably guide the flow, so that the heat on the heat dissipation fins 43 can be fully taken away by the heat dissipation agent, the temperature difference between the two ends of the liquid inlet pipe 2 and the two ends of the liquid outlet pipe 3 is kept, the heat dissipation gradually tends to be stable, the heat is kept uniform, and then elements inside the shell 1 are protected from being damaged.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 heat abstractor of generator control ware which characterized in that: including casing (1), setting be in feed liquor pipe (2) and drain pipe (3) with one side of casing (1), be provided with radiating area (4) in casing (1) and be used for closing apron (5) of radiating area (4), radiating area (4) are including interconnect's first heat dissipation water course (41) and second heat dissipation water course (42), first heat dissipation water course (41) are connected with feed liquor pipe (2), second heat dissipation water course (42) are connected with drain pipe (3), just first heat dissipation water course (41) are provided with a plurality of radiating fin (43) along the coolant flow direction, radiating fin (43) are separated first heat dissipation water course (41) for a plurality of unit radiating passage (44).

2. The heat dissipation device for a generator controller according to claim 1, wherein: the second heat dissipation water channel (42) is in linear distribution and the tail end of the second heat dissipation water channel faces the liquid inlet pipe (2), the first heat dissipation water channel (41) is in U-shaped distribution, the opening direction of the first heat dissipation water channel is parallel to the connecting line of the liquid inlet pipe (2) and the liquid outlet pipe (3), one end of the first heat dissipation water channel (41) is connected with the second heat dissipation water channel (42), and the other end of the first heat dissipation water channel extends outwards to the liquid inlet pipe (2).

3. The heat dissipation device for a generator controller according to claim 2, wherein: and a plurality of drainage sheets (45) are arranged at the corners of the first heat dissipation water channel (41).

4. The heat dissipation device for a generator controller according to claim 1, wherein: one end, close to the liquid inlet pipe (2), of the first heat dissipation water channel (41) is provided with a divergent section (46), and the size of an opening of the divergent section (46) towards the liquid inlet pipe (2) is gradually reduced.

5. The heat dissipation device for a generator controller according to claim 1, wherein: a plurality of flow equalizing blocks (421) are arranged in the second heat dissipation water channel (42) and close to the outlet end of the unit heat dissipation channel (44).

6. The heat dissipating device for a generator controller as set forth in claim 5, wherein: the flow equalizing blocks (421) are cylindrical and are arranged in multiple rows, a plurality of flow equalizing blocks (421) form a triangle, and the number of the flow equalizing blocks (421) close to the outlet end of the unit heat dissipation channel (44) is smaller than that of the other end of the unit heat dissipation channel.

7. The heat dissipation device for a generator controller according to claim 1, wherein: the heat dissipation area (4) is provided with a plurality of locking bolts (47) used for locking the cover plate (5) between the first heat dissipation water channel (41) and the second heat dissipation water channel (42) and on the peripheral side edge of the heat dissipation area (4), and a sealing gasket (48) is arranged between the cover plate (5) and the heat dissipation area (4).