CN204244632U - A kind of radiator structure and the electric cabinet based on this radiator structure - Google Patents
A kind of radiator structure and the electric cabinet based on this radiator structure Download PDFInfo
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- CN204244632U CN204244632U CN201420773111.1U CN201420773111U CN204244632U CN 204244632 U CN204244632 U CN 204244632U CN 201420773111 U CN201420773111 U CN 201420773111U CN 204244632 U CN204244632 U CN 204244632U
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- heating panel
- power component
- radiator structure
- cooling water
- electric cabinet
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Abstract
The utility model relates to a kind of radiator structure and the electric cabinet based on this radiator structure.Radiator structure comprises power component and heating panel, and power component is directly installed on the surface of heating panel, and power component is fixedly connected with radiating plate insulation, and the inside of heating panel is provided with cooling water channel; The utility model also relates to the electric cabinet based on above-mentioned radiator structure.The transmission distance of the heat that the utility model can make heater element produce reduces greatly, and improve the transmissibility of heat, heat is directly transferred to heating panel, and the cooling water exchange heat with flowing in cooling water channel, reaches the object of heat radiation; And adopting heat-conducting silicone grease between power component and heating panel, blend rubber seals, and more effectively improves heat transfer rate and radiating efficiency.The utility model structure is simple, easy to install, good heat dissipation effect, can effectively solve when normally working, the problem that power component cooling heat dissipation is not good.
Description
Technical field
The utility model relates to a kind of radiator structure and the electric cabinet based on this radiator structure.
Background technology
The walking of Coal Electricity haulage shearer is the frequency control way adopting PLC control frequency converter to realize one-to-one or one drag two.The IGBT module of frequency converter inverter circuit in the course of the work can produce a large amount of heat, needs to cool in time, otherwise affects the normal work of frequency converter.At present, domestic coal cutter frequency converter is by being that external import frequency converter that fin adds air blast cooling carries out transformation and forms to the type of cooling.Its version is that frequency converter base plate is fixed at the bottom of the electric cabinet of water channel groove, is coated with one deck heat-conducting silicone grease therebetween, by heat-conducting silicone grease indirect water-cooling.
A kind of traditional electric cabinet radiator structure as shown in Figure 1, frequency converter base plate 11 generally adopts aluminium sheet, aluminium sheet is installed IGBT module 12 and capacitance module 13, be directly sticked to by this aluminium sheet on bottom plate of electric cabinet 14, bottom plate of electric cabinet 14 is a kind of heating panels with cooling water channel 15; Scribble heat-conducting silicone grease 16 between IGBT module 12 and frequency converter base plate 11, between frequency converter base plate 11 and bottom plate of electric cabinet 14, also scribble heat-conducting silicone grease 17.The caloric requirement that IGBT module 12 and capacitance module 13 produce is through heat-conducting silicone grease 16, frequency converter base plate 11, heat-conducting silicone grease 17 could carry out exchange heat with bottom plate of electric cabinet 14, this type of cooling heat transfer rate is low, radiating effect is bad, in frequency converter work, IGBT module temperature always can be very high, is in the life-span that high temperature will have a strong impact on frequency converter for a long time.
Utility model content
The purpose of this utility model is to provide a kind of radiator structure and the electric cabinet based on this radiator structure, low in order to solve traditional heat-dissipating structure heat transfer rate, the problem that radiating efficiency is bad.
For achieving the above object, scheme of the present utility model comprises a kind of radiator structure, and this radiator structure comprises power component and heating panel, and power component is arranged on the surface of heating panel, and power component is fixedly connected with radiating plate insulation; The inside of heating panel is provided with cooling water channel.
Cooling water channel is the serpentine waterways being provided with a water inlet and a delivery port, and cooling water channel extends along the fixed position of power component and lays in the corresponding region of power component.
Power component is IGBT module and capacitance module.
Cooling water channel forms at least two end to end U-shaped structures in IGBT module installation region, form a U-shaped structure extended along heating panel length direction in the installation region of capacitance module.
Heating panel material is brass, scribbles heat-conducting silicone grease between IGBT module and heating panel.
Based on an electric cabinet for above-mentioned radiator structure, this electric cabinet comprises radiator structure directly fixing on casing, the base plate of casing or side plate; Radiator structure comprises power component and heating panel, and power component is arranged on the surface of heating panel, and power component is fixedly connected with radiating plate insulation; The inside of heating panel is provided with cooling water channel.
Cooling water channel is the serpentine waterways being provided with a water inlet and a delivery port, and cooling water channel extends along the fixed position of power component and lays in the corresponding region of power component.
Electric cabinet is coal mining machine electric control box, and power component is IGBT module in coal cutter frequency converter and capacitance module.
Cooling water channel forms at least two end to end U-shaped structures in IGBT module installation region, form a U-shaped structure extended along heating panel length direction in the installation region of capacitance module.
Heating panel material is brass, scribbles heat-conducting silicone grease between IGBT module and heating panel.
The beneficial effects of the utility model are: the utility model provides a kind of novel radiator structure and the electric cabinet based on this radiator structure, frequency converter base plate is become heating panel, power component is directly fixed on frequency converter base plate, the distance of power component heat conduction is reduced greatly, improves radiating efficiency.
Heating panel (the i.e. frequency converter base plate) Area comparison of the electric cabinet that the utility model provides is little, and box bottom and side plate can adopt general metallic plate, need not be set to again, as the bottom plate of electric cabinet 14 in background technology, greatly reduce casing metal use amount, saved cost.
Accompanying drawing explanation
Fig. 1 is traditional heat-dissipating mode schematic diagram;
Fig. 2 is radiator structure vertical view;
Fig. 3 is cooling water channel schematic diagram;
Fig. 4 is electric cabinet execution mode 1 structural representation;
Fig. 5 is electric cabinet execution mode 2 structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in more detail.
A kind of radiator structure, comprise power component and heating panel, power component is arranged on the surface of heating panel, and power component is fixedly connected with radiating plate insulation; The inside of heating panel is provided with cooling water channel.
Based on an electric cabinet for above-mentioned radiator structure, electric cabinet comprises radiator structure directly fixing on casing, the base plate of casing or side plate; Radiator structure comprises power component and heating panel, and power component is arranged on the surface of heating panel, and power component is fixedly connected with radiating plate insulation; The inside of heating panel is provided with cooling water channel.
Based on above technical scheme, provide with next embodiment.
The electric cabinet that the utility model provides is mainly used in coal-winning machine, and electric cabinet comprises radiator structure directly fixing on casing, the base plate of casing or side plate; Have coal cutter frequency converter in electric cabinet, the major power device of frequency converter is IGBT module and capacitance module, and in frequency converter work, IGBT module and capacitance module are the devices mainly producing heat.
Fig. 2 and Figure 3 shows that radiator structure schematic diagram, as shown in Figure 2, IGBT module 2 is fixed by screws on the surface of heating panel 1, capacitance module 3 is arranged in the circular recess of heating panel, cooling water channel 4 is processed with in the inside of heating panel 1, cooling water channel 4 is for being provided with the serpentine waterways of a water inlet and a delivery port, cooling water channel extends along the fixed position of IGBT module 2 and capacitance module 3, and lay in the corresponding region of IGBT module 2 and capacitance module 3, as shown in Figure 3, cooling water channel 4 forms at least two end to end U-shaped structures in IGBT module 2 installation region, a U-shaped structure extended along heating panel length direction is formed in the installation region of capacitance module 3.In order to improve the efficiency of heat conduction, the material of heating panel 1 is the brass that thermal conductivity is higher.
On the base plate that radiator structure can be fixed on electric cabinet casing or side plate, for convenience of explanation, be fixed on bottom plate of electric cabinet as specific embodiment with radiator structure.
Figure 4 shows that electric cabinet example structure schematic diagram.
As shown in Figure 4, radiator structure is bolted on bottom plate of electric cabinet 24, caulking gum is adopted to seal between IGBT module 22 and heating panel 21, and between scribble heat-conducting silicone grease 26, in order to increase contact area, get rid of the air gap between heat-conducting silicone grease, and then be conducive to IGBT module 22 and be transmitted to as much as possible for the heat of generation on heating panel 21.
When coal-winning machine normally works, frequency converter in electric cabinet is also devoted oneself to work, IGBT module 22 on heating panel 21 and capacitance module 23 constant power device will generate heat, heat is directly transferred on heating panel 21, exchange heat is carried out with the cooling water flowed through in cooling water channel 25, heat is discharged with cooling water, reaches the object of cooling heat dissipation.
Figure 5 shows that electric cabinet execution mode structural representation.
As shown in Figure 5, radiator structure is bolted on bottom plate of electric cabinet 34, caulking gum is adopted to seal between IGBT module 32 and heating panel 31, and between scribble heat-conducting silicone grease 36, in order to increase contact area, get rid of the air gap between heat-conducting silicone grease, and then be conducive to IGBT module 32 and be transmitted to as much as possible for the heat of generation on heating panel 31.
With Fig. 4 unlike, be also provided with cooling water channel in bottom plate of electric cabinet 34, between heating panel 31 and bottom plate of electric cabinet, scribble heat-conducting silicone grease 37.
When coal-winning machine normally works, frequency converter in electric cabinet is also devoted oneself to work, IGBT module 32 on heating panel 31 and capacitance module 33 constant power device will generate heat, heat is directly transferred on heating panel 21, carry out exchange heat with the cooling water flowed through in cooling water channel 25, heat is discharged with cooling water; Some heats also may be transmitted on bottom plate of electric cabinet 34, carry out exchange heat with the cooling water flowed through in the cooling water channel 38 in bottom plate of electric cabinet 34.The object of dual-cooled heat radiation can be reached like this.
Be presented above concrete execution mode, but the utility model is not limited to described execution mode.Basic ideas of the present utility model are above-mentioned basic scheme, and for those of ordinary skill in the art, according to instruction of the present utility model, designing the model of various distortion, formula, parameter does not need to spend creative work.The change carried out execution mode when not departing from principle of the present utility model and spirit, amendment, replacement and modification still fall in protection range of the present utility model.
Claims (10)
1. a radiator structure, is characterized in that, described radiator structure comprises power component and heating panel, and described power component is arranged on the surface of heating panel, and power component is fixedly connected with radiating plate insulation; The inside of described heating panel is provided with cooling water channel.
2. radiator structure according to claim 1, is characterized in that, described cooling water channel is the serpentine waterways being provided with a water inlet and a delivery port, and cooling water channel extends along the fixed position of power component and lays in the corresponding region of power component.
3. radiator structure according to claim 2, is characterized in that, described power component is IGBT module and capacitance module.
4. radiator structure according to claim 3, it is characterized in that, described cooling water channel forms at least two end to end U-shaped structures in IGBT module installation region, form a U-shaped structure extended along heating panel length direction in the installation region of capacitance module.
5. radiator structure according to claim 4, is characterized in that, described heating panel material is brass, scribbles heat-conducting silicone grease between described IGBT module and heating panel.
6. based on an electric cabinet for radiator structure according to claim 1, it is characterized in that, described electric cabinet comprises radiator structure directly fixing on casing, the base plate of casing or side plate; Described radiator structure comprises power component and heating panel, and described power component is arranged on the surface of heating panel, and power component is fixedly connected with radiating plate insulation; The inside of described heating panel is provided with cooling water channel.
7. electric cabinet according to claim 6, is characterized in that, described cooling water channel is the serpentine waterways being provided with a water inlet and a delivery port, and cooling water channel extends along the fixed position of power component and lays in the corresponding region of power component.
8. electric cabinet according to claim 7, is characterized in that, described electric cabinet is coal mining machine electric control box, and described power component is IGBT module in coal cutter frequency converter and capacitance module.
9. electric cabinet according to claim 8, is characterized in that, described cooling water channel forms at least two end to end U-shaped structures in IGBT module installation region, form a U-shaped structure extended along heating panel length direction in the installation region of capacitance module.
10. electric cabinet according to claim 9, is characterized in that, described heating panel material is brass, scribbles heat-conducting silicone grease between described IGBT module and heating panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773111.1U CN204244632U (en) | 2014-12-09 | 2014-12-09 | A kind of radiator structure and the electric cabinet based on this radiator structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773111.1U CN204244632U (en) | 2014-12-09 | 2014-12-09 | A kind of radiator structure and the electric cabinet based on this radiator structure |
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| CN204244632U true CN204244632U (en) | 2015-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114286502A (en) * | 2021-12-23 | 2022-04-05 | 广东逸动科技有限公司 | Heat radiation structure, underwater propeller and water carrying device of control circuit board |
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2014
- 2014-12-09 CN CN201420773111.1U patent/CN204244632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114286502A (en) * | 2021-12-23 | 2022-04-05 | 广东逸动科技有限公司 | Heat radiation structure, underwater propeller and water carrying device of control circuit board |
| CN114286502B (en) * | 2021-12-23 | 2023-09-05 | 广东逸动科技有限公司 | Heat radiation structure of control circuit board, underwater propeller and water carrying device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 467021 miner East Road, Pingdingshan, Henan Province, No. 11 hospital Patentee after: Henan Flat Coal Shenma electric Limited by Share Ltd Address before: 467021 miner East Road, Pingdingshan, Henan Province, No. 11 hospital Patentee before: PINGMEI SHENMA MACHINERY EQUIPMENT GROUP HENAN ELECTRICAL CO., LTD. |