CN210861657U - Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner - Google Patents
Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner Download PDFInfo
- Publication number
- CN210861657U CN210861657U CN201921621208.XU CN201921621208U CN210861657U CN 210861657 U CN210861657 U CN 210861657U CN 201921621208 U CN201921621208 U CN 201921621208U CN 210861657 U CN210861657 U CN 210861657U
- Authority
- CN
- China
- Prior art keywords
- box body
- electrical
- box
- heating device
- condensation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a prevent condensation electrical apparatus box, variable frequency compressor and variable frequency air conditioner relates to variable frequency air conditioner technical field, has solved the interior condensation that produces easily of electrical apparatus box that exists among the prior art, has the technical problem of potential safety hazard. The anti-condensation electrical appliance box comprises an electrical appliance box body and a heating device; the heating device is in contact with the electric appliance box body and is fixedly installed on the electric appliance box body in a region close to the refrigerant pipe, and the wall surface temperature in the electric appliance box body can be heated. This inverter compressor includes the compressor body and the utility model provides a prevent condensation electrical apparatus box. This inverter air conditioner includes the air conditioner body and the utility model provides an inverter compressor. The utility model is used for a prevent to produce the condensation in the electrical apparatus box, higher condensation electrical apparatus box, variable frequency compressor and the variable frequency air conditioner of preventing of factor of safety.
Description
Technical Field
The utility model belongs to the technical field of the inverter air conditioner technique and specifically relates to a prevent condensation electrical apparatus box, set up this inverter compressor who prevents condensation electrical apparatus box and set up this inverter compressor's inverter air conditioner.
Background
The inverter air conditioner provided with the inverter compressor is widely used due to the superior energy saving performance, but the electromagnetic interference caused by the inverter driving module and the filter used in the inverter technology needs to be shielded by taking measures, the inverter driving module and the filter thereof are arranged in a closed aluminum box in the prior art to shield the electromagnetic interference, and the aluminum boxes provided with the inverter driving module, the filter and related accessories are collectively called as electrical boxes.
The utility model discloses the people discovers that the electrical apparatus box among the prior art has following technical problem at least:
install the refrigerant pipe on the electrical apparatus box among the prior art and help the electrical apparatus box heat dissipation, when the refrigerant pipe temperature is lower, can make and produce the condensation in the electrical apparatus box, frequency conversion drive module has the forceful electric power, meets the condensation of production and appears electrical short circuit very easily, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent condensation electrical apparatus box, set up this frequency conversion compressor who prevents condensation electrical apparatus box and set up this frequency conversion compressor's inverter air conditioner to produce the condensation easily in the electrical apparatus box that exists among the solution prior art, have the technical problem of potential safety hazard. The following explains various technical effects that can be produced by the preferred technical scheme in the technical schemes of the utility model.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a condensation-proof electrical box, which comprises an electrical box body and a heating device; wherein the content of the first and second substances,
the heating device is fixedly installed on the electric appliance box body in a region close to the refrigerant pipe and can heat the wall surface temperature in the electric appliance box body.
In a preferred or alternative embodiment, the outer surface of the heating device is in thermal communication with the appliance casing body.
In a preferred or alternative embodiment, the electrical box body comprises a box body, and a heating device mounting structure is arranged on the box body and can fix the heating device.
In a preferred or alternative embodiment, the heating means is arranged along the length of the cartridge.
In a preferred or alternative embodiment, the heating device mounting structure is a mounting hole arranged on the box body along the length direction of the box body, and the heating device can be inserted into the mounting hole for fixing.
In a preferred or optional embodiment, a refrigerant heat dissipation plate is disposed on an outer surface of the box body, the refrigerant pipe is mounted on the refrigerant heat dissipation plate, and the mounting hole is disposed between the refrigerant heat dissipation plate and an inner wall surface of the box body.
In a preferred or alternative embodiment, the heating means is an electrical heating rod.
In a preferred or optional embodiment, the electrical box body comprises a box body, a filter device and a heat dissipation device, wherein the filter device and the heat dissipation device are arranged in the box body, and the heat dissipation device is in contact with the filter device for heat transfer.
In a preferred or optional embodiment, an insulating support is arranged between the filter device and the inner wall surface of the box body, so that a gap exists between the filter device and the inner wall surface of the box body.
In a preferred or alternative embodiment, the heat sink is disposed between the filter element and the inner wall of the cartridge.
In a preferred or alternative embodiment, the thickness dimension of the heat sink is 0.1mm to 0.4mm greater than the height dimension of the insulating support.
In a preferred or alternative embodiment, the heat dissipation device is a heat conductive silicone sheet.
In a preferred or alternative embodiment, the anti-condensation electrical enclosure further comprises a controller and a pressure sensor; the pressure sensor and the heating device are respectively electrically connected with the controller.
The embodiment of the utility model provides a frequency conversion compressor, including the compressor body and the utility model discloses the condensation electrical apparatus box is prevented that any technical scheme provides.
The embodiment of the utility model provides a variable frequency air conditioner, including the air conditioner body and the utility model discloses the variable frequency compressor that any technical scheme provided.
Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:
the utility model provides a prevent electrical apparatus box of condensation, including electrical apparatus box body and heating device, heating device with the electrical apparatus box body contacts, can carry out thermal transmission, and heating device sets up in the region that is close to the refrigerant pipe, and lower probably is in refrigerant pipe temperature this internal condensation that produces of electrical apparatus box, heating device can be right the wall of electrical apparatus box body heats, makes its inner wall temperature be higher than the dew point temperature of this internal air of electrical apparatus box to avoid this internal condensation that produces of electrical apparatus box, guaranteed the drying of this internal components and parts of electrical apparatus box has prevented electrical short circuit, has improved the security performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an explosion structure diagram of the anti-condensation electrical box provided by the present invention;
FIG. 2 is a schematic view of a back structure of the electrical box body shown in FIG. 1;
FIG. 3 is a schematic sectional view of A-A in FIG. 1.
In the figure, 1, an electrical box body; 11. a box body; 12. mounting holes; 13. a refrigerant heat dissipation plate; 14. a filter device; 15. a heat sink; 16. an insulating support; 17. an electric appliance box cover; 18. a variable frequency drive module; 2. a heating device; 3. a refrigerant pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a can prevent to produce the condensation in the electrical apparatus box, higher condensation electrical apparatus box, variable frequency compressor and the variable frequency air conditioner of preventing of factor of safety.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the anti-condensation electrical box provided by the present invention comprises an electrical box body 1 and a heating device 2; wherein the content of the first and second substances,
the heating device 2 is fixedly arranged on the electric appliance box body 1 in a region close to the refrigerant pipe 3 and can heat the temperature of the air in the electric appliance box body 1.
Specifically, the mouth of the box body 11 is provided with an electrical box cover 17 which is installed in cooperation with the box body 11, so that the electrical equipment in the electrical box body 1 can be fixedly installed in the box body 11. The utility model provides a prevent electrical apparatus box of condensation, including electrical apparatus box body 1 and heating device 2, heating device 2 contacts with electrical apparatus box body 1, can carry out thermal transmission, and heating device 2 sets up the region near refrigerant pipe 3, in the lower possibility of producing the condensation in electrical apparatus box body 1 of refrigerant pipe 3 temperature, heating device 2 can heat the wall in electrical apparatus box body 1, make its inner wall temperature be higher than the dew point temperature of air in electrical apparatus box body 1, thereby avoided producing the condensation in electrical apparatus box body 1, the drying of the components and parts in electrical apparatus box body 1 has been guaranteed, prevent that electric short circuit from appearing, the security performance is improved.
As a preferred or alternative embodiment, the outer surface of the heating device 2 is in thermal contact with the appliance box body 1.
Specifically, contact heating device 2's surface and electrical apparatus box body 1 and carry out heat transfer, can directly transmit heat to electrical apparatus box body 1, avoid causing unnecessary wasting of resources.
As a preferred or alternative embodiment, the electrical box body 1 comprises a box body 11, and the heating device mounting structure arranged on the box body 11 can fix the heating device 2. The contact heat transfer between the heating device 2 and the electrical box body 1 is ensured.
As a preferred or alternative embodiment, the heating means 2 are arranged along the length of the box 11. Can make the box body thermally equivalent, make it can distribute the heat in electrical apparatus box body 1 relatively fast, avoid the production of condensation phenomenon.
In a preferred or alternative embodiment, the heating device mounting structure is a mounting hole 12 formed in the box 11 along the length direction thereof, and the heating device 2 can be inserted into the mounting hole 12 for fixing.
Specifically, as shown in fig. 3, the mounting hole 12 is disposed on the back plate of the box body 11, the axial direction of the mounting hole is disposed along the length direction of the box body 11, the heating device 2 can be directly inserted into the mounting hole 12, the wall surface of the box body 11 is heated by the heating device 2, the temperature of the wall surface is higher than the dew point temperature of the air in the box body 11, and the condensation phenomenon is prevented; meanwhile, the heating device 2 can be prevented from being directly contacted with the electrical equipment installed in the box body 11 to cause damage to the electrical equipment.
In a preferred or alternative embodiment, the outer surface of the box 11 is provided with a refrigerant heat dissipation plate 13, the refrigerant pipe 3 is mounted on the refrigerant heat dissipation plate 13, and the mounting hole 12 is provided between the refrigerant heat dissipation plate 13 and the inner wall surface of the box 11.
Specifically, the refrigerant heat dissipation plate 13 and the box body 11 are integrally formed, and the refrigerant heat dissipation plate 13 is used for installing the refrigerant pipe 3, so that the refrigerant pipe 3 can absorb heat of the electrical box body 1 to cool the electrical box body 1.
As a preferred or alternative embodiment, the heating means 2 is an electrical heating rod.
As a preferred or alternative embodiment, the electrical box body 1 includes a box body 11, a filter 14 and a heat sink 15, the filter 14 and the heat sink 15 are disposed in the box body 11, and the heat sink 15 is in contact with the filter 14 for heat transfer.
Specifically, filter 14 can produce a large amount of heats in the course of the work, contacts heat abstractor 15 and filter 14, can dispel the heat to filter 14 with the heat transfer of filter 14 production to box body 11, prevents that filter 14 from being burnt out.
In a preferred or alternative embodiment, an insulating support 16 is provided between the filter element 14 and the inner wall surface of the case 11 so that a gap exists between the filter element 14 and the inner wall surface of the case 11.
The insulating support column 16 can prevent the filter component 14 from being in contact with the inner wall surface of the box body 11 to conduct electricity, so that an electric gap between the filter component and the inner wall surface of the box body is ensured, the safety performance of the electric appliance box body 1 is ensured, and a screw penetrates through the insulating support column 16 to fixedly connect a PCB on the filter component with the box body 11.
As a preferred or alternative embodiment, the heat dissipation means 15 is provided between the filter device 14 and the inner wall surface of the case 11.
Specifically, the heat dissipation device 15 is disposed in a gap supported by the insulating support column 16, one surface of the heat dissipation device is in contact with the filter 14, and the other surface of the heat dissipation device is in contact with the inner wall surface of the box body 11, so that heat generated by the filter 14 can be rapidly transferred to the box body 11, and the heat dissipation device is cooled by the refrigerant pipe 3 in contact with the box body 11.
In a preferred or alternative embodiment, the thickness dimension of the heat sink 15 is 0.1mm to 0.4mm greater than the height dimension of the insulating support 16.
Therefore, the heat dissipation device 15 can be ensured to fill the gap between the filter device 14 and the inner wall surface of the box body 11, and meanwhile, the filter device 14 and the box body 11 cannot deform due to stress when being mounted by screws due to over thickness.
As a preferred or alternative embodiment, the heat dissipation means 15 is a thermally conductive silicone sheet.
Specifically, the heat-conducting silica gel sheet has high heat-conducting and high-insulating properties, the heat transfer coefficient of the heat-conducting silica gel sheet is improved by about 130 times compared with that of air, the heat productivity of the filter device 14 can be efficiently conducted to the wall surface of the box body 11, the working temperature of the filter device 14 is reduced, and the temperature reduction range can reach about 20 ℃; because the heat-conducting silicon sheet is soft substance and the two surfaces of the heat-conducting silicon sheet have natural viscosity, the heat-conducting silicon sheet can be fixed in the gap between the filter device 14 and the box body 11 by utilizing the double-surface viscosity and the pressing mode.
As a preferred or alternative embodiment, the anti-condensation electrical box further comprises a controller and a pressure sensor; the pressure sensor and the heating device 2 are respectively electrically connected with the controller.
Specifically, the filter device 14 is electrically connected to a variable frequency driving module 18, the variable frequency driving module 18 is fixedly connected to the box body 11, the condensing pressure is measured by a pressure sensor, and the saturation temperature corresponding to the condensing pressure is the condensing temperature Tc; determining temperature values T1 and T2 according to the condensation condition and the heat productivity during the test, and starting the heating device 2 when Tc is less than or equal to T1; when T1 is more than Tc and less than or equal to T2, the heating device 2 keeps the previous state unchanged; at Tc > T2, the heating device 2 is switched off. Since the filter device 14 generates some heat during operation, in any case, when the temperature of either the filter device 14 or the variable frequency driving module 18 is higher than the safe operating temperature thereof, the heating device 2 is required to be in the off state in order to prevent the heating device 2 from transferring heat to the filter device 14 and the variable frequency driving module 18, which may cause the temperature of both to rise continuously and cause danger. The pressure sensor and the heating device 2 are both electrically connected with the controller, the pressure sensor transmits a pressure signal to the controller, temperature conversion and comparison are carried out in the controller, and then an electric signal is transmitted to the heating device 2 to control the heating device 2 to be turned on or turned off.
The embodiment of the utility model provides a frequency conversion compressor, including the compressor body and the utility model discloses the condensation electrical apparatus box is prevented that any technical scheme provides.
The embodiment of the utility model provides a variable frequency air conditioner, including the air conditioner body and the utility model discloses the variable frequency compressor that any technical scheme provided.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated. The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (15)
1. An anti-condensation electrical appliance box is characterized by comprising an electrical appliance box body and a heating device; wherein the content of the first and second substances,
the heating device is fixedly installed on the electric appliance box body in a region close to the refrigerant pipe and can heat the wall surface temperature in the electric appliance box body.
2. The condensation resistant electrical enclosure of claim 1, wherein an outer surface of the heating device is in thermal communication with the electrical enclosure body.
3. The electrical box of claim 1, wherein the electrical box body comprises a box body, and a heating device mounting structure is disposed on the box body to fix the heating device.
4. The condensation preventing electrical box of claim 3, wherein the heating device is disposed along a length of the box body.
5. The electrical box of claim 4, wherein the heating device mounting structure is a mounting hole formed in the box body along a length direction thereof, and the heating device is inserted into the mounting hole for fixing.
6. The electrical box of claim 5, wherein the outer surface of the box body is provided with a coolant heat dissipation plate, the coolant pipe is mounted on the coolant heat dissipation plate, and the mounting hole is disposed between the coolant heat dissipation plate and the inner wall surface of the box body.
7. The condensation resistant electrical box of claim 1, wherein the heating device is an electrical heating rod.
8. The electrical box of claim 1, wherein the electrical box body comprises a box body, a filter and a heat sink, the filter and the heat sink are disposed in the box body, and the heat sink is in contact with the filter for heat transfer.
9. The electrical apparatus box of claim 8, wherein an insulating support is disposed between the filter and the inner wall of the box body to form a gap between the filter and the inner wall of the box body.
10. The electrical box of claim 9, wherein the heat sink is disposed between the filter element and the inner wall of the box.
11. The electrical box of claim 9, wherein the heat sink has a thickness dimension that is 0.1mm to 0.4mm greater than a height dimension of the insulating support.
12. The anti-condensation electrical box according to claim 8, wherein the heat dissipation device is a heat conductive silicone sheet.
13. The anti-condensation electrical box according to claim 1, further comprising a controller and a pressure sensor; the pressure sensor and the heating device are respectively electrically connected with the controller.
14. An inverter compressor, characterized by comprising a compressor body and the anti-condensation electrical box of any one of claims 1 to 13.
15. An inverter air conditioner, characterized by comprising an air conditioner body and the inverter compressor of claim 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621208.XU CN210861657U (en) | 2019-09-26 | 2019-09-26 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921621208.XU CN210861657U (en) | 2019-09-26 | 2019-09-26 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210861657U true CN210861657U (en) | 2020-06-26 |
Family
ID=71284559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921621208.XU Active CN210861657U (en) | 2019-09-26 | 2019-09-26 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210861657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631248A (en) * | 2019-09-26 | 2019-12-31 | 珠海格力电器股份有限公司 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
-
2019
- 2019-09-26 CN CN201921621208.XU patent/CN210861657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110631248A (en) * | 2019-09-26 | 2019-12-31 | 珠海格力电器股份有限公司 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110631248A (en) | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner | |
| CN108207097A (en) | A kind of heat-proof device and electronic product | |
| CN210861657U (en) | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner | |
| CN109561611A (en) | power supply with heat insulation function | |
| CN211404389U (en) | Circuit breaker vacuum interrupter that thermal diffusivity is better | |
| CN107846818A (en) | A kind of oil-immersed type industrial microwave variable-frequency power sources | |
| CN208285207U (en) | A kind of shell for Switching Power Supply | |
| CN103868206A (en) | Air-conditioner electric control box component and variable-frequency air conditioner with same | |
| CN100579351C (en) | Active heat dispersion power supply system with heat dispersion mechanism of power supply input part | |
| CN206993579U (en) | A kind of controller radiator structure radiating aluminium block and controller radiator structure | |
| CN216087060U (en) | Electromagnetic heating device and cooking utensil | |
| JP2011258852A (en) | Semiconductor device | |
| CN204906947U (en) | Natural cooling formula servo driver switch board | |
| CN206361734U (en) | Electromagnetic oven | |
| CN209312595U (en) | A kind of bus capacitor, capacitor box, controller assemblies and electric car | |
| CN208353800U (en) | A kind of Switching Power Supply with insulation function | |
| CN201744764U (en) | Novel vortex electric soldering iron | |
| WO2020034647A1 (en) | Heat insulation material and cooking device | |
| CN211063915U (en) | Low-harmonic power regulator | |
| CN101365292A (en) | Printed circuit board structure for heat dissipation | |
| CN205408372U (en) | Semiconductor power source module and have its microwave applicator spare | |
| CN213957907U (en) | Automatic constant temperature regulating device of frequency converter | |
| CN212786319U (en) | Power supply equipment | |
| CN216163141U (en) | Gateway equipment based on internet of things communication | |
| CN217214045U (en) | High-heat-dissipation explosion-proof display screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |