CN220965450U - Heat abstractor of mining power electronic device - Google Patents
Heat abstractor of mining power electronic device Download PDFInfo
- Publication number
- CN220965450U CN220965450U CN202322376468.8U CN202322376468U CN220965450U CN 220965450 U CN220965450 U CN 220965450U CN 202322376468 U CN202322376468 U CN 202322376468U CN 220965450 U CN220965450 U CN 220965450U
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- CN
- China
- Prior art keywords
- bottom plate
- heat
- mounting substrate
- electronic device
- power electronic
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- 238000005065 mining Methods 0.000 title claims abstract description 14
- 239000000758 substrate Substances 0.000 claims description 29
- 239000004519 grease Substances 0.000 claims description 18
- 229920001296 polysiloxane Polymers 0.000 claims description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000000498 cooling water Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a heat dissipation device of a mining power electronic device, relates to the technical field of heat dissipation devices, and aims to solve the technical problem of efficient heat dissipation. The key points of the technical scheme are as follows: the explosion-proof housing comprises a bottom plate and an explosion-proof housing covering the surface of the bottom plate, a closed cavity is formed between the bottom plate and the explosion-proof bottom plate, a control integrated system is arranged on the surface of the bottom plate, a water channel which is arranged in an S-shaped mode is arranged inside the bottom plate, the water channel is uniformly distributed below the control integrated system, and two ends of the water channel are respectively communicated with the side wall of the bottom plate. The utility model aims to provide a heat dissipation device of a mining power electronic device.
Description
Technical Field
The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation device of a mining power electronic device.
Background
With the rapid development of modern power electronics technology, the application of high-power electronic devices is becoming more widespread. The switching frequency of the power device of the inverter or the frequency converter is 1-20 KHZ, the high-frequency switching-on and switching-off of the power device inevitably brings a great amount of heat loss, if the heat loss is accumulated in the power module and is not conducted out in time due to a large temperature gradient, the local junction temperature can be very high, and once the junction temperature exceeds the failure temperature, the power module can be burnt out, and the whole system can fail due to short circuit. Therefore, the heat dissipation problem of the high-power electronic device is solved, most of electric faults can be avoided, and the service life of equipment is guaranteed.
The common heat dissipation schemes of the power electronic devices are divided into forced air cooling and water cooling, and the forced air cooling has the advantages of simple system structure, low cost, no environmental pollution and the like. But the forced air cooling has poor heat radiation capability, the outward heat energy transmission mode is heat radiation and heat convection, the temperature gradient from the inside to the outside of the system is small, and the requirements on materials are strict.
Therefore, a new solution is needed to solve the above technical problems.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide a heat dissipation device of a mining power electronic device.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a mining power electronic device 'S heat abstractor, includes the bottom plate and covers the flameproof housing that locates the bottom plate surface, be formed with airtight cavity between bottom plate and the flameproof bottom plate, the surface of bottom plate is provided with control integrated system, the inside water course that is the setting of S type that has seted up of bottom plate, water course evenly distributed is in control integrated system' S below, the both ends of water course communicate respectively in the lateral wall of bottom plate.
Through adopting above-mentioned technical scheme, through the water course of seting up in the bottom of control integrated system to through letting in cooling water to the water course, cooling water absorbs the back to the inside heat that produces of control integrated system, thereby discharges in the follow water course, thereby brings the heat, and the exhaust water enters into cooling device (not shown in the figure) and cools off the back, reentrant water course in, can effectually play the radiating effect, and can not produce noise pollution.
The utility model is further provided with: the surface of bottom plate still is provided with the mounting substrate, control integrated system sets up in the surface of mounting substrate, be provided with first heat conduction silicone grease layer between mounting substrate and the bottom plate surface, the mounting substrate is made by the metal that the heat conductivity is good.
The utility model is further provided with: the surface of the mounting substrate is provided with a second heat-conducting silicone grease layer, and the control integrated system comprises a plurality of power modules arranged on the surface of the second heat-conducting silicone grease layer.
The utility model is further provided with: the surface of bottom plate has seted up flutedly, the mounting substrate sets up in the recess, first heat conduction silicone grease layer sets up in the bottom surface of recess.
The utility model is further provided with: the mounting substrate is specifically made of an aluminum alloy.
The utility model is further provided with: a plurality of spiral guide pieces are arranged in the water channel.
The utility model has the following beneficial effects: through the water course of seting up in the bottom of control integrated system to through letting in cooling water to the water course in, cooling water absorbs the back to the inside heat that produces of control integrated system, discharges in following the water course, thereby brings the heat out, and the exhaust water enters into cooling device (not shown in the figure) and cools off the back, reentrant water course in, can effectually play the radiating effect, and can not produce noise pollution.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present embodiment;
FIG. 2 is a schematic cross-sectional view of a part of the structure of the present embodiment;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;
FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2;
FIG. 5 is a schematic diagram showing the distribution of the inner waterways of the bottom plate of the present embodiment;
Fig. 6 is a schematic structural diagram of the spiral guide member in this embodiment.
Description of the drawings: 1. a bottom plate; 2. an explosion-proof housing; 3. controlling an integrated system; 4. a water channel; 5. a mounting substrate; 6. a first thermally conductive silicone grease layer; 7. a second thermally conductive silicone grease layer; 8. a power module; 9. a groove; 10. spiral guide piece.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in the figure, the heat dissipation device of the mining power electronic device comprises a bottom plate 1 and an explosion-proof shell 2 covered on the surface of the bottom plate 1, wherein a closed cavity is formed between the bottom plate 1 and the explosion-proof bottom plate 1, a control integrated system 3 is arranged on the surface of the bottom plate 1, a water channel 4 which is arranged in an S shape is arranged in the bottom plate 1, the water channel 4 is uniformly distributed below the control integrated system 3, and two ends of the water channel 4 are respectively communicated with the side wall of the bottom plate 1.
Through the water course 4 of seting up in the bottom of control integrated system 3 to through letting in cooling water to water course 4, the cooling water absorbs the back to the inside heat that produces of control integrated system 3, discharges in following water course 4, thereby brings the heat out, and the exhaust water enters into cooling device (not shown in the figure) and cools off the back, reentrant water course 4 in, can effectually play the radiating effect, and can not produce noise pollution.
The surface of the base plate 1 is also provided with a mounting substrate 5, the control integrated system 3 is arranged on the surface of the mounting substrate 5, a first heat conduction silicone grease layer 6 is arranged between the mounting substrate 5 and the surface of the base plate 1, and the mounting substrate 5 is made of metal with good heat conduction (in this embodiment, the mounting substrate 5 is specifically made of aluminum alloy). Through mounting substrate 5, when being convenient for install control integrated system 3, can make the cooling water of its heat that produces through mounting substrate 5 transfer to bottom plate 1 internal water course 4 to promote its radiating effect, lead to the silicone grease through scribbling on the surface of bottom plate 1 when the installation, when promoting heat conductivility, the clearance between integrated bottom plate 1 and mounting substrate 5 can be reduced to the first silicone grease layer that forms, reaches the effect of closely laminating.
The surface of the mounting substrate 5 is provided with a second heat-conducting silicone grease layer 7, the control integrated system 3 comprises a plurality of power modules 8 arranged on the surface of the second heat-conducting silicone grease layer 7, the power modules 8 which generate heat are directly arranged on the mounting substrate 5, the heat-conducting silicone grease is smeared on the surface of the mounting substrate 5, and the formed second heat-conducting silicone grease layer can reduce gaps between the integrated power modules 8 and the mounting substrate 5 while improving heat-conducting performance, so that the effect of close fitting is achieved.
The recess 9 has been seted up on the surface of bottom plate 1, and mounting substrate 5 sets up in recess 9, and first heat conduction silicone grease layer 6 sets up in the bottom surface of recess to guarantee the stability after mounting substrate 5 installs.
Be provided with a plurality of spiral water conservancy diversion spare 10 in the water course 4, through the spiral water conservancy diversion spare 10 that set up, can make the cooling water that enters into in the water course 4 produce the vortex to promote the absorption efficiency to the heat, promote the radiating effect.
The present utility model is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present utility model.
Claims (6)
1. The utility model provides a heat abstractor of mining power electronic device which characterized in that: the explosion-proof housing comprises a bottom plate and an explosion-proof housing covering the surface of the bottom plate, a closed cavity is formed between the bottom plate and the explosion-proof bottom plate, a control integrated system is arranged on the surface of the bottom plate, a water channel which is arranged in an S-shaped mode is arranged inside the bottom plate, the water channel is uniformly distributed below the control integrated system, and two ends of the water channel are respectively communicated with the side wall of the bottom plate.
2. The heat dissipating device for a mining power electronic device of claim 1, wherein: the surface of bottom plate still is provided with the mounting substrate, control integrated system sets up in the surface of mounting substrate, be provided with first heat conduction silicone grease layer between mounting substrate and the bottom plate surface, the mounting substrate is made by the metal that the heat conductivity is good.
3. A heat sink for a mining power electronic device as claimed in claim 2, wherein: the surface of the mounting substrate is provided with a second heat-conducting silicone grease layer, and the control integrated system comprises a plurality of power modules arranged on the surface of the second heat-conducting silicone grease layer.
4. A heat sink for a mining power electronic device according to claim 3, characterized in that: the surface of bottom plate has seted up flutedly, the mounting substrate sets up in the recess, first heat conduction silicone grease layer sets up in the bottom surface of recess.
5. A heat sink for a mining power electronic device as claimed in claim 2, wherein: the mounting substrate is specifically made of an aluminum alloy.
6. The heat dissipating device for a mining power electronic device of claim 1, wherein: a plurality of spiral guide pieces are arranged in the water channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322376468.8U CN220965450U (en) | 2023-09-01 | 2023-09-01 | Heat abstractor of mining power electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322376468.8U CN220965450U (en) | 2023-09-01 | 2023-09-01 | Heat abstractor of mining power electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220965450U true CN220965450U (en) | 2024-05-14 |
Family
ID=90976802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322376468.8U Active CN220965450U (en) | 2023-09-01 | 2023-09-01 | Heat abstractor of mining power electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220965450U (en) |
-
2023
- 2023-09-01 CN CN202322376468.8U patent/CN220965450U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |