CN211982379U - Water-cooling heat dissipation device and DC/DC converter for automobile - Google Patents
Water-cooling heat dissipation device and DC/DC converter for automobile Download PDFInfo
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- CN211982379U CN211982379U CN202020653339.2U CN202020653339U CN211982379U CN 211982379 U CN211982379 U CN 211982379U CN 202020653339 U CN202020653339 U CN 202020653339U CN 211982379 U CN211982379 U CN 211982379U
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Abstract
The application provides a DC/DC converter for an automobile. A water-cooled heat sink includes: the water inlet and the water outlet are arranged on the body; the body comprises a cover plate, an upper layer structure and a lower layer structure which are arranged in sequence; the lower layer structure is a cavity; the upper structure is a groove which is respectively connected with the water inlet and the water outlet, a first flow guide rib is arranged in the groove, and the groove and the first flow guide rib are used for radiating external equipment arranged in the cavity. This application is through setting up power components and parts in the cavity, through the water inlet, the delivery port guarantees to have the water that flows in the recess, the water that flows cools down power components and parts, increase an at least first water conservancy diversion muscle in the recess, because first water conservancy diversion muscle and the contact of water that flows, make the water that flows and first water conservancy diversion muscle realize hot transmission, the area of contact of the water that has increased to flow for the cooling to the water that flows, and then because the hot transmission effect between water that flows and the power components and parts, the heat exchange efficiency to power components and parts has been improved.
Description
Technical Field
The utility model relates to a hybrid vehicle technical field especially relates to a water-cooling heat abstractor and be used for DC/DC converter of car.
Background
Energy conservation and emission reduction are the key points of the current China automobile industry, and according to the average fuel consumption standard of the fourth stage formulated by the Ministry of industry and communications, the average consumption of passenger car products is reduced from 6.7L/100km to 5L/100km in 2020. In order to realize that a target automobile manufacturer in 2020 further improves the fuel economy and reduces the emission of carbon dioxide through technical innovations such as light weight, electrification and the like. Obviously, the emission target is basically impossible to complete by simply improving the fuel efficiency of the engine, and the hybrid operation and the pure electric operation of the automobile are the optimal technical routes. Pure electric driving is an ultimate goal of automobiles, but cannot be widely popularized in a short period of time due to high cost and endurance problems.
The 48V light mixing system is still the main force of energy conservation and emission reduction in a short period, and the DC/DC converter for the light mixing system in the prior art has the problem of low heat exchange efficiency.
SUMMERY OF THE UTILITY MODEL
The application provides a water-cooling heat abstractor and be used for DC/DC converter of car to solve the problem that DC/DC converter has heat exchange efficiency to hang down among the prior art.
In order to achieve the above object, in a first aspect, the present application provides a water-cooled heat sink, including: the water inlet and the water outlet are arranged on the body;
the body comprises a cover plate, an upper layer structure and a lower layer structure which are arranged in sequence;
the lower layer structure is a cavity;
the upper layer structure is a groove and is respectively connected with the water inlet and the water outlet, a first flow guide rib is arranged in the groove, and the groove and the first flow guide rib are used for radiating external equipment arranged in the cavity.
Optionally, in the water-cooled heat dissipation device, the grooves are m-shaped grooves, and the first flow guide ribs are wave-shaped flow guide ribs; or/and
the cover plate is the same as the upper layer structure in shape, and the cover plate is sleeved on the groove and the first flow guide ribs.
Optionally, in the above water-cooled heat dissipation device, two second flow guide ribs are correspondingly arranged at peak positions of two first arc surfaces of each m-shaped groove, and ends of two second flow guide ribs near the water inlet and the water outlet are connected through a second arc surface.
Optionally, in the above water-cooled heat dissipation device, along the shape of the groove, at least one of the first diversion ribs is disposed in the middle of the groove, and the groove is equally divided by at least one of the first diversion ribs.
Optionally, in the above water-cooled heat dissipation device, along the direction of the second flow guide rib, the sectional area of each flow guide channel divided by the first flow guide rib and the second flow guide rib is the same.
Optionally, in the above water-cooled heat dissipation device, the two flow guide channels on two sides of the first flow guide rib are symmetrically arranged.
Optionally, in the above water-cooled heat dissipation device, the cavity has an upward protruding structure along a direction from the lower layer structure to the upper layer structure, and the flow guide channel wraps the protruding structure.
Optionally, in the above water-cooled heat sink, at least one ventilation opening is formed in a side surface of the body; or/and
a first sealing unit is arranged between the upper layer structure and the cover plate.
In a second aspect, the present application provides a DC/DC converter for an automobile, comprising: the water-cooling heat dissipation device comprises the water-cooling heat dissipation device and a control device arranged in the cavity.
Optionally, the above DC/DC converter for an automobile, the control device includes: the integrated circuit board and the power component are arranged on the integrated circuit board, and the power component is arranged in the convex structure; or/and
the base at the bottom of the cavity is detachably connected with the body, and a second sealing unit is arranged between the base and the cavity;
and a connecting unit is arranged on the side surface of the body and is connected with an automobile.
The utility model has the advantages that:
the utility model provides a water-cooling heat abstractor, through setting up power components and parts in the cavity of substructure, inject water in to the recess through the water inlet, water discharge in with the recess through the delivery port, flowing water has in guaranteeing the recess, cool down power components and parts through flowing water in the recess, increase an at least first water conservancy diversion muscle in the recess, because first water conservancy diversion muscle and flowing water contact, make flowing water and first water conservancy diversion muscle realize hot transmission, the area of contact of flowing water has been increased, accelerate the cooling to flowing water, and then because the transmission effect of the heat between flowing water and the power components and parts, the cooling rate to power components and parts has been improved, heat exchange efficiency has been improved promptly.
Drawings
The following further describes the present invention with reference to the drawings and examples.
Fig. 1 is an exploded view of the water-cooling heat dissipation device of the present invention;
fig. 2 is a perspective view of the water-cooling heat dissipation device of the present invention;
fig. 3 is a perspective view of the water-cooling heat dissipation device of the present invention;
fig. 4 is a sectional view of the water-cooling heat dissipation device of the present invention;
fig. 5 is an exploded view of a DC/DC converter for an automobile according to the present invention;
description of reference numerals:
the structure comprises a body 100, a cover plate 110, an upper layer structure 120, a groove 121, a first flow guiding rib 122, a first arc surface 123, a second flow guiding rib 124, a second arc surface 125, a flow guiding channel 126, a lower layer structure 130, a cavity 131, a protruding structure 1311, a side surface 140, a vent 141, a first sealing unit 150, a base 160, a second sealing unit 170, a connecting unit 180, a water inlet 200, a water outlet 300, a control device 400, an integrated circuit board 410 and a power component 420.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic manner, and therefore show only the components relevant to the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, 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 utility model can be understood according to specific situations by those skilled in the art.
As shown in fig. 1, the utility model provides a water-cooling heat dissipation device is provided to this application, include: a body 100, and a water inlet 200 and a water outlet 300 provided on the body 100; the body 100 comprises a cover plate 110, an upper layer structure 120 and a lower layer structure 130 as shown in fig. 4; the lower layer 130 is a cavity 131; the upper layer structure 120 is a groove 121, which is connected to the water inlet 200 and the water outlet 300, respectively, a first flow guiding rib 122 is disposed in the groove 121, and the groove 121 and the first flow guiding rib 122 are used for dissipating heat of an external device disposed in the cavity 131. The utility model discloses a set up as shown in figure 5 power components and parts 420 in the cavity 131 of substructure 130, inject water in to recess 121 through water inlet 200, water discharge in with recess 121 through delivery port 300, it has flowing water to guarantee to have in the recess 121, cool down power components and parts 420 through the flowing water in the recess 121, increase an at least first water conservancy diversion muscle 122 in recess 121, because first water conservancy diversion muscle 122 contacts with flowing water, make flowing water and first water conservancy diversion muscle 122 realize hot transmission, the area of contact of flowing water has been increased, accelerate the cooling to flowing water, and then because the transmission of the heat between flowing water and the power components and parts 420, the cooling rate to power components and parts 420 has been improved, heat exchange efficiency has been improved promptly.
As shown in fig. 2 and 3, in an embodiment of the present application, the grooves 121 are both m-shaped grooves, and the first flow guiding ribs 122 are wave-shaped flow guiding ribs; the cover plate 110 has the same shape as the upper layer structure 120, and the cover plate 110 is sleeved on the groove 121 and the first flow guiding rib 122. Because m type and wave type all have smooth curved surface, consequently the corner of the water conservancy diversion passageway that is cut apart by first water conservancy diversion muscle 122 and obtains also becomes smooth curved surface, and the transition is mild, has reduced the possibility that the vortex produced, has reduced the flow resistance.
As shown in fig. 2 and fig. 3, in an embodiment of the present application, two second flow guiding ribs 124 are correspondingly disposed at peak positions of two first arc surfaces 123 of each m-shaped groove, and ends of the two second flow guiding ribs 124 close to the positions of the water inlet 200 and the water outlet 300 are connected by a second arc surface 125. Through the effect of second water conservancy diversion muscle 124 and first water conservancy diversion muscle 122 to and second arc surface 125, the water conservancy diversion passageway that makes the formation in recess 121 is the wave type structure, and the corner has smooth curved surface, has further reduced the possibility that the turbine produced, has reduced the flow resistance.
As shown in fig. 2 and 3, in one embodiment of the present application, at least one first air guide rib 122 is disposed at a middle position of the groove 121 along the shape of the groove 121, and the groove 121 is equally divided by the at least one first air guide rib 122. If first water conservancy diversion muscle 122 is 1, divide into 2 parts with recess 121 equally, if first water conservancy diversion muscle 122 is 2, divide into 3 parts with recess 121 equally, the more the radical, the faster to power components and parts 420's heat exchange efficiency, but the more the radical, the higher the cost, according to actual needs, set up the radical of first water conservancy diversion muscle as appropriate can.
As shown in fig. 2 and 3, in an embodiment of the present application, along the direction of the second flow guiding rib 124, the cross-sectional area of each flow guiding channel 126 divided by the first flow guiding rib 122 and the second flow guiding rib 124 as shown in fig. 4 is the same. The uniform cross-section plus the smoothly transitioning flow guide channels 126 provides the same flow rate of water through each flow guide channel 126, greatly reducing the likelihood of vortex generation.
As shown in fig. 2, 3 and 4, in one embodiment of the present application, two flow guide channels 126 on two sides of the first flow guide rib 122 are symmetrically disposed. So set up, more pleasing to the eye, and the sectional area is better controlled, and it is easy to realize.
As shown in fig. 4, in one embodiment of the present application, the cavity 131 has an upward protruding structure 1311 along the direction from the lower structure 130 to the upper structure 120, and the flow guide channel 126 wraps around the protruding structure 1311. The guide channel 126 can form a heat exchange surface with 5 directions to the convex structure 1311 at most, so that the heat exchange area is multiplied while the flow resistance is reduced.
As shown in fig. 1, in one embodiment of the present application, a side surface 140 of the body 100 is provided with at least one vent 141; the design of the ventilation opening 141 is used for carrying out heat exchange on the power component 420 through air cooling, so that the heat exchange efficiency is accelerated; the first sealing unit 150 is disposed between the upper layer structure 120 and the cap plate 110, thereby improving sealability.
As shown in fig. 5, the present application provides a DC/DC converter for an automobile, including: the water-cooling heat sink and the control device 400 disposed in the cavity 131. The guide channels which are distributed equally at least in two paths are formed by adding the first guide ribs 122, the heat exchange area is increased by at least 30%, the flow velocity can be better controlled by the guide channels with the wave-shaped trend, the flow resistance is reduced, a more excellent heat dissipation effect is shown, and the production process is simplified.
As shown in fig. 5, in one embodiment of the present application, the control device 400 includes: the integrated circuit board 410 and a power component 420 arranged on the integrated circuit board 410, wherein the power component 420 is arranged in the bump structure 1311; or/and a base 160 at the bottom of the cavity 131 is detachably connected with the body 100, and a second sealing unit 170 is arranged between the base 160 and the cavity 131; a connection unit 180 is provided at the side surface 140 of the body 100, and the connection unit 180 is connected to the car.
In light of the foregoing description of the preferred embodiments of the present invention, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A water-cooled heat sink, comprising: the water inlet and the water outlet are arranged on the body;
the body comprises a cover plate, an upper layer structure and a lower layer structure which are arranged in sequence;
the lower layer structure is a cavity;
the upper layer structure is a groove and is respectively connected with the water inlet and the water outlet, a first flow guide rib is arranged in the groove, and the groove and the first flow guide rib are used for radiating external equipment arranged in the cavity.
2. The water-cooled heat dissipation device as recited in claim 1, wherein the grooves are m-shaped grooves, and the first flow guiding ribs are wave-shaped flow guiding ribs; or/and
the cover plate is the same as the upper layer structure in shape, and the cover plate is sleeved on the groove and the first flow guide ribs.
3. The water-cooled heat dissipation device as recited in claim 2, wherein two second flow guiding ribs are correspondingly arranged at peak positions of two first arc surfaces of each m-shaped groove, and ends of the two second flow guiding ribs close to the water inlet and the water outlet are connected through a second arc surface.
4. The water-cooled heat dissipation device as recited in claim 2, wherein at least one first flow guiding rib is disposed at a middle position of the groove along the shape of the groove, and the groove is equally divided by the at least one first flow guiding rib.
5. The water-cooled heat sink as recited in claim 3, wherein along the direction of the second flow guiding rib, the cross-sectional area of each flow guiding channel divided by the first flow guiding rib and the second flow guiding rib is the same.
6. The water-cooled heat sink as recited in claim 5, wherein the two flow guiding channels on both sides of the first flow guiding rib are symmetrically arranged.
7. The water-cooled heat dissipation device as recited in claim 6, wherein the cavity has an upward protruding structure along the direction from the lower layer to the upper layer, and the flow guide channel wraps the protruding structure.
8. The water-cooled heat sink as recited in claim 1, wherein at least one ventilation opening is formed in a side surface of the body; or/and
a first sealing unit is arranged between the upper layer structure and the cover plate.
9. A DC/DC converter for an automobile, comprising: the water-cooled heat sink of any one of claims 1-8, and a control device disposed in the cavity.
10. The DC/DC converter for automobile of claim 9, wherein the control means comprises: the integrated circuit comprises an integrated circuit board and a power component arranged on the integrated circuit board, wherein the power component is arranged in the bulge structure of the cavity; or/and
the base at the bottom of the cavity is detachably connected with the body, and a second sealing unit is arranged between the base and the cavity;
and a connecting unit is arranged on the side surface of the body and is connected with an automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020653339.2U CN211982379U (en) | 2020-04-26 | 2020-04-26 | Water-cooling heat dissipation device and DC/DC converter for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020653339.2U CN211982379U (en) | 2020-04-26 | 2020-04-26 | Water-cooling heat dissipation device and DC/DC converter for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211982379U true CN211982379U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020653339.2U Active CN211982379U (en) | 2020-04-26 | 2020-04-26 | Water-cooling heat dissipation device and DC/DC converter for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211982379U (en) |
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2020
- 2020-04-26 CN CN202020653339.2U patent/CN211982379U/en active Active
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