CN220254969U - Heat dissipation runner structure of heater - Google Patents

Heat dissipation runner structure of heater Download PDF

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Publication number
CN220254969U
CN220254969U CN202321672777.3U CN202321672777U CN220254969U CN 220254969 U CN220254969 U CN 220254969U CN 202321672777 U CN202321672777 U CN 202321672777U CN 220254969 U CN220254969 U CN 220254969U
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China
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heat dissipation
base
shell
heating component
dissipation area
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CN202321672777.3U
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褚开星
刘剑桥
吴强
王玮
孙雨
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Xiaogan Huagong Gaoli Electron Co Ltd
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Xiaogan Huagong Gaoli Electron Co Ltd
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Abstract

The utility model belongs to the technical field of heater cooling devices, and particularly provides a heat dissipation flow passage structure of a heater, which comprises a base and a shell; a water inlet and a water outlet are arranged on one side of the base, and the water inlet and the water outlet are communicated through a runner arranged in the base; a splitter plate is arranged at the water inlet; the base is divided into an IGBT heat dissipation area and a heating component heat dissipation area by the flow distribution plate, and the IGBT heat dissipation area and the heating component heat dissipation area are communicated at one end, far away from the water inlet, of the flow distribution plate; the water outlet is positioned at the heat dissipation area of the heating component; a plurality of heating components are arranged in the shell; the shell is buckled above the base, and the heating component is accommodated between the base and the shell; the bottom of the heating component is arranged between the flow passages of the heat dissipation area of the heating component. And part of cooling liquid dissipates heat of the IGBT through the flow dividing plate, so that the working temperature of the IGBT is effectively reduced, and the reliability of the IGBT is improved. In addition, through the two runner structures of water conservancy diversion board formation, under the prerequisite of guaranteeing heat exchange efficiency, reduce water heater volume and flow resistance, realize miniaturization and lightweight mesh.

Description

Heat dissipation runner structure of heater
Technical Field
The utility model belongs to the technical field of heater cooling devices, and particularly relates to a heat dissipation flow passage structure of a heater.
Background
With the rapid development of new energy automobiles, the power of IGBT power elements in a power module of a motor controller is larger and larger, the volume is smaller and smaller, and therefore the requirements on heat dissipation efficiency are higher and higher. Because IGBT power component generates heat in the course of working, produces a large amount of heat, if can not in time distribute away the heat that produces, can influence the life of motor controller and motor and the security that electric automobile goes, consequently, the heat dissipation of IGBT power component when the operation is crucial. At present, most automobile water heaters radiate heat aiming at the IGBT of the controller by metal plates and air, namely heat exchange and radiation between radiating ribs and the outside are used. The installation position of the water heater on the whole vehicle has great influence on the heat dissipation of the IGBT, and if the installation position is a closed environment, the surrounding air is relatively static, so that the heat dissipation effect of the IGBT is not ideal. And traditional runner cooling IGBT heat dissipation mode is put IGBT flat in the back of heat dissipation runner, can occupy too much layout space, increases the product volume, influences the miniaturized design of product.
Considering that the liquid convection heat transfer coefficient is higher than the gas convection heat transfer coefficient, and the cooling liquid is in a flowing state, the cooling liquid belongs to forced convection heat transfer, the heat transfer coefficient is larger, and when the water heater has a larger flow requirement, the single flow channel can cause overlarge flow velocity and overlarge flow resistance. The utility model provides a flow passage structure of a heater, which changes a single flow passage into a double flow passage structure on the premise of not changing the distance between two adjacent rows of heating components, reduces the volume of the heater, realizes light weight and reduces flow resistance. Meanwhile, a metal plate rib and cooling liquid heat dissipation mode is adopted for IGBT heat dissipation, so that the IGBT heat dissipation effect is improved.
Disclosure of Invention
The utility model aims to solve the problems that the existing IGBT heat dissipation technology is poor in heat dissipation effect, increases the product volume, influences the miniaturized design of the product and the like.
The utility model provides a heat dissipation flow channel structure of a heater, which comprises a base and a shell; a water inlet and a water outlet are arranged on one side of the base, and the water inlet and the water outlet are communicated through a runner arranged in the base; a splitter plate is arranged at the water inlet; the base is divided into an IGBT heat dissipation area and a heating component heat dissipation area by the flow distribution plate, and the IGBT heat dissipation area and the heating component heat dissipation area are communicated at one end, far away from the water inlet, of the flow distribution plate; the water outlet is positioned in the heat dissipation area of the heating component; a plurality of heating components are arranged in the shell; the shell is buckled above the base, and the heating component is accommodated between the base and the shell; the bottom of the heating component is arranged between the runners of the heat dissipation area of the heating component.
Specifically, a plurality of guide plates are arranged on the inner side wall of the base; the guide plate is matched with the flow channel, so that the flow channel is continuously bent into an S-shaped structure.
Specifically, the bent flow channels have uniform gaps and the same width.
Specifically, a heat dissipation rib is arranged at the corresponding position of the shell and the IGBT heat dissipation area.
Specifically, the base and the shell are provided with one-to-one corresponding mounting holes; the shell and the base are in buckling fit through screws and mounting holes.
Specifically, a sealing ring is clamped and pressed between the base and the shell.
Specifically, the base and the shell are formed by magnesium alloy die casting.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
the heat dissipation flow channel structure of the heater provided by the utility model adopts a new flow channel arrangement mode, so that heat exchange can be fully completed, the heat exchange effect is improved, and meanwhile, the heat dissipation flow channel structure is convenient to install and high in heat exchange efficiency. The water inlet is connected with the IGBT heat dissipation area through the heat dissipation ribs, and the heat dissipation area is connected with the heat dissipation ribs. In addition, through the setting of guide plate, form the double-flow way structure that supplies the coolant flow, under the prerequisite of guaranteeing heat exchange efficiency, reduce water heater volume and flow resistance, realize miniaturization and lightweight mesh.
The present utility model will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a heater according to the present utility model.
Fig. 2 is a schematic diagram of a heat dissipation flow channel structure of a heater according to the present utility model.
Fig. 3 is a schematic flow diagram of a cooling liquid in the heat dissipation flow channel structure provided by the utility model.
Fig. 4 is a schematic structural view of a housing provided by the present utility model.
Fig. 5 is a schematic structural view of a base provided by the present utility model.
Reference numerals illustrate: 1. a base; 2. a water inlet; 3. a diverter plate; 4. a flow passage; 5. a deflector; 6. a water outlet; 7. a housing; 8. a heating member; 9. a heat radiation rib; 10. a mounting hole; 11. an IGBT.
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.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1 to 5, the present utility model provides a heat dissipation flow path structure of a heater, comprising a base 1 and a housing 7; a water inlet 2 and a water outlet 6 are arranged on one side of the base 1, and the water inlet 2 and the water outlet 6 are communicated through a flow channel 4 arranged in the base 1; a splitter plate 3 is arranged at the water inlet 2; the base 1 is divided into an IGBT heat dissipation area and a heating component heat dissipation area by the flow distribution plate 3, and the IGBT heat dissipation area and the heating component heat dissipation area are communicated at one end, far away from the water inlet 2, of the flow distribution plate 3; the water outlet 6 is positioned in a heat dissipation area of the heating component; a plurality of heating components 8 are arranged in the shell 7; the shell 7 is buckled above the base 1, and the heating component 8 is accommodated between the base 1 and the shell 7; the bottom of the heating component 8 is arranged between the flow passages 4 of the heat dissipation area of the heating component.
In the actual manufacturing process, the base 1 and the shell 7 can be formed by magnesium alloy die casting, so that the heat conduction coefficient is high, and the weight is light. In the heat dissipation process, cooling liquid flows into the space between the base 1 and the shell 7 from the water inlet 2, the flow distribution plate 3 arranged at the water inlet 2 is divided into a left part and a right part, the left side fluid flows into the IGBT heat dissipation area for heat dissipation of the IGBT11, and the right side fluid flows into the heating part heat dissipation area to exchange heat with the first row of heating parts 8. The fluid after heat exchange in the IGBT heat dissipation area is converged with the fluid in the heating component heat dissipation area through the gap between one end of the flow distribution plate 3, which is far away from the water inlet 2, and the side wall of the base 1, flows through other heating components 8 through the flow channel 4 to dissipate heat, and finally flows out from the water outlet 6.
In order to improve the heat exchange efficiency between the heating component 8 and the cooling liquid, a plurality of guide plates 5 are arranged on the inner side wall of the base 1; the guide plate 5 is matched with the flow channel 4, so that the flow channel 4 is continuously bent into an S-shaped structure, and a liquid S-shaped flow around mode is realized. Furthermore, the gaps at the positions of the bent flow channels 4 are uniform, the widths are the same, and the uniformity of the flow field is improved.
In an optimized embodiment, as shown in fig. 2-3, the flow channel 4 includes a plurality of equidistant parallel flow channels, the flow guide plate 5 is divided into a first flow guide plate, a second flow guide plate, a third flow guide plate, a fourth flow guide plate and a fifth flow guide plate, one, three and five flow guide plates are respectively arranged on the inner side wall of the base 1, which is provided with the water inlet 2 and the water outlet 6, the second flow guide plate and the fourth flow guide plate are respectively arranged on the inner side wall of the opposite side, and two parallel flow channels are respectively arranged between the first flow guide plate and the second flow guide plate, between the second flow guide plate and the third flow guide plate, between the third flow guide plate and the fourth flow guide plate and between the fourth flow guide plate and the fifth flow guide plate, and the structure can form a double-flow channel structure in the shell 7 and the base 1.
Further, the part corresponding to the IGBT heat dissipation area of the base 1 in the shell 7 is an IGBT mounting panel, and one side of the lower part of the IGBT mounting panel, through which cooling liquid flows, is provided with a heat dissipation rib 9, so that the heat dissipation effect of the cooling liquid on the IGBT11 is enhanced.
In the thinned embodiment, a plurality of mounting holes 10 corresponding to one another are formed in the base 1 and the shell 7, and after the shell 7 is buckled above the base 1, screws penetrate into the mounting holes 10 corresponding to the base 1 and the shell 7, so that the base 1 and the shell 7 are fixed.
Specifically, a sealing ring is clamped and pressed between the base 1 and the shell 7, so that the sealing performance is improved, and the coolant is prevented from exuding.
In summary, the heat dissipation runner structure of the heater provided by the utility model adopts a new runner 4 arrangement mode, so that heat exchange can be fully completed, the heat exchange effect is improved, and meanwhile, the heat dissipation runner structure is convenient to install and high in heat exchange efficiency. The split plate 3 at the water inlet 2 enables part of cooling liquid to flow through the IGBT heat dissipation area to dissipate heat of the IGBT11, and the heat dissipation effect is enhanced through the heat dissipation ribs 9 arranged below the IGBT mounting panel, so that the working temperature of the IGBT11 is effectively reduced, and the reliability of the IGBT11 is improved. In addition, through the setting of guide plate 5, form the double-flow way structure that supplies the coolant flow, under the prerequisite of guaranteeing heat exchange efficiency, reduce water heater volume and flow resistance, realize miniaturization and lightweight mesh.
The foregoing examples are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model, and all designs that are the same or similar to the present utility model are within the scope of the present utility model.

Claims (7)

1. The utility model provides a heat dissipation runner structure of heater which characterized in that: comprises a base (1) and a shell (7); a water inlet (2) and a water outlet (6) are arranged on one side of the base (1), and the water inlet (2) and the water outlet (6) are communicated through a runner (4) arranged in the base (1); a splitter plate (3) is arranged at the water inlet (2); the base (1) is divided into an IGBT heat dissipation area and a heating component heat dissipation area by the flow distribution plate (3), and the IGBT heat dissipation area and the heating component heat dissipation area are communicated at one end, far away from the water inlet (2), of the flow distribution plate (3); the water outlet (6) is positioned in a heat dissipation area of the heating component; a plurality of heating components (8) are arranged in the shell (7); the shell (7) is buckled above the base (1), and the heating component (8) is accommodated between the base (1) and the shell (7); the bottom of the heating component (8) is arranged between the flow passages (4) of the heat dissipation area of the heating component.
2. The heat dissipation flow path structure of heater according to claim 1, wherein: a plurality of guide plates (5) are arranged on the inner side wall of the base (1); the guide plate (5) is matched with the flow channel (4) to enable the flow channel (4) to be continuously bent into an S-shaped structure.
3. The heat dissipation flow path structure of heater according to claim 2, wherein: the gaps of the bent runner (4) are uniform, and the widths are the same.
4. The heat dissipation flow path structure of heater according to claim 1, wherein: and a heat dissipation rib (9) is arranged at the corresponding position of the shell (7) and the IGBT heat dissipation area.
5. The heat dissipation flow path structure of heater according to claim 1, wherein: the base (1) and the shell (7) are provided with one-to-one corresponding mounting holes (10); the shell (7) is in buckling fit with the base (1) through a screw and a mounting hole (10).
6. The heat dissipation flow path structure of heater according to claim 1, wherein: a sealing ring is clamped and pressed between the base (1) and the shell (7).
7. The heat dissipation flow path structure of heater according to claim 1, wherein: the base (1) and the shell (7) are formed by magnesium alloy die casting.
CN202321672777.3U 2023-06-29 2023-06-29 Heat dissipation runner structure of heater Active CN220254969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321672777.3U CN220254969U (en) 2023-06-29 2023-06-29 Heat dissipation runner structure of heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321672777.3U CN220254969U (en) 2023-06-29 2023-06-29 Heat dissipation runner structure of heater

Publications (1)

Publication Number Publication Date
CN220254969U true CN220254969U (en) 2023-12-26

Family

ID=89272019

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321672777.3U Active CN220254969U (en) 2023-06-29 2023-06-29 Heat dissipation runner structure of heater

Country Status (1)

Country Link
CN (1) CN220254969U (en)

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