CN110631248B - Anti-condensation electric box, variable frequency compressor and variable frequency air conditioner - Google Patents
Anti-condensation electric box, variable frequency compressor and variable frequency air conditioner Download PDFInfo
- Publication number
- CN110631248B CN110631248B CN201910915054.3A CN201910915054A CN110631248B CN 110631248 B CN110631248 B CN 110631248B CN 201910915054 A CN201910915054 A CN 201910915054A CN 110631248 B CN110631248 B CN 110631248B
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- Prior art keywords
- box body
- condensation
- variable frequency
- heating device
- electric box
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Links
- 238000009833 condensation Methods 0.000 title claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 56
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 238000012546 transfer Methods 0.000 claims description 10
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 abstract description 13
- 239000002826 coolant Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/22—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an anti-condensation electric box, a variable frequency compressor and a variable frequency air conditioner, relates to the technical field of variable frequency air conditioners, and solves the technical problems that the electric box in the prior art is easy to generate condensation and has potential safety hazards. The anti-condensation electric box comprises an electric box body and a heating device; the heating device is in contact with the electric box body and is fixedly arranged on the electric box body in a region close to the refrigerant pipe, so that the wall surface temperature in the electric box body can be heated. The variable frequency compressor comprises a compressor body and the anti-condensation electric appliance box provided by the invention. The variable frequency air conditioner comprises an air conditioner body and the variable frequency compressor provided by the invention. The invention is used for providing the anti-condensation electric box, the variable frequency compressor and the variable frequency air conditioner, which have the advantages of high safety coefficient and capability of preventing condensation in the electric box.
Description
Technical Field
The invention relates to the technical field of variable frequency air conditioners, in particular to an anti-condensation electric box, a variable frequency compressor provided with the anti-condensation electric box and a variable frequency air conditioner provided with the variable frequency compressor.
Background
The inverter air conditioner provided with the inverter compressor is widely used because of the excellent energy saving property, but the inverter driving module used by the inverter technology and electromagnetic interference brought by a filter need to take measures to shield, in the prior art, the inverter driving module and the filter device thereof are arranged in a closed aluminum box to realize shielding of the electromagnetic interference, and the aluminum box provided with the inverter driving module, the filter device and related accessories is commonly called as an electric box.
The inventor discovers that the electrical box in the prior art has at least the following technical problems:
The electric box in the prior art is provided with the refrigerant pipe to help the electric box to dissipate heat, when the temperature of the refrigerant pipe is low, condensation is generated in the electric box, the variable-frequency driving module has strong electricity, and electric short circuit is easy to occur when the generated condensation is encountered, so that potential safety hazards exist.
Disclosure of Invention
The invention aims to provide an anti-condensation electric appliance box, a variable frequency compressor provided with the anti-condensation electric appliance box and a variable frequency air conditioner provided with the variable frequency compressor, so as to solve the technical problems that the electric appliance box in the prior art is easy to generate condensation and has potential safety hazards. The technical effects that can be produced by the preferred technical solutions of the present invention are described in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The invention provides an anti-condensation electric box, which comprises an electric box body and a heating device; wherein,
The heating device is fixedly arranged on the electric box body in a region close to the refrigerant pipe and can heat the wall surface temperature in the electric box body.
In a preferred or alternative embodiment, the outer surface of the heating device is in thermal communication with the electrical box 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 formed in the box body along the length direction thereof, and the heating device can be inserted into the mounting hole to be fixed.
In a preferred or alternative embodiment, the outer surface of the box body is provided with a refrigerant heat dissipation plate, the refrigerant pipe is mounted on the refrigerant heat dissipation plate, and the mounting hole is arranged between the refrigerant heat dissipation plate and the 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 alternative 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 alternative embodiment, an insulating support is provided between the filter and the inner wall of the box so that a gap exists between the filter and the inner wall of the box.
In a preferred or alternative embodiment, the heat sink is disposed between the filter and the inner wall of the case.
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 sink is a thermally conductive silicone sheet.
In 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 are respectively and electrically connected with the controller.
The variable frequency compressor provided by the embodiment of the invention comprises a compressor body and the anti-condensation electric appliance box provided by any technical scheme of the invention.
The variable frequency air conditioner provided by the embodiment of the invention comprises an air conditioner body and the variable frequency compressor provided by any technical scheme of the invention.
Based on the technical scheme, the embodiment of the invention at least has the following technical effects:
The anti-condensation electric box comprises an electric box body and a heating device, wherein the heating device is in contact with the electric box body and can transfer heat, and is arranged in a region close to a refrigerant pipe, when the temperature of the refrigerant pipe is low and condensation is likely to occur in the electric box body, the heating device can heat the wall surface of the electric box body, so that the temperature of the inner wall of the electric box body is higher than the dew point temperature of air in the electric box body, the generation of condensation in the electric box body is avoided, the drying of components in the electric box body is ensured, the short circuit is prevented, and the safety performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an explosion structure of an anti-condensation electric box provided by the invention;
Fig. 2 is a schematic view of the back structure of the electrical box body shown in fig. 1;
FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 1.
In the figure, 1, an electrical box body; 11. a case body; 12. a mounting hole; 13. refrigerant cooling plate; 14. a filter device; 15. a heat sink; 16. an insulating support; 17. an electric appliance box cover; 18. a variable frequency driving module; 2. a heating device; 3. and a refrigerant pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
The invention provides an anti-condensation electric box, a variable frequency compressor and a variable frequency air conditioner, which can prevent condensation in the electric box and have higher safety coefficient.
The technical scheme provided by the invention is described in more detail below with reference to fig. 1 to 3.
As shown in fig. 1 to 3, the anti-condensation electric box provided by the invention comprises an electric box body 1 and a heating device 2; wherein,
The heating device 2 is fixedly arranged on the electric box body 1 in a region close to the refrigerant pipe 3 and can heat the temperature of air in the electric box body 1.
Specifically, the opening of the box body 11 is provided with an electric box cover 17 which is matched with the opening of the box body, so that electric equipment in the electric box body 1 can be fixedly installed in the box body 11. The anti-condensation electric box provided by the invention comprises an electric box body 1 and a heating device 2, wherein the heating device 2 is in contact with the electric box body 1 and can transfer heat, the heating device 2 is arranged in a region close to a refrigerant pipe 3, when the temperature of the refrigerant pipe 3 is low and condensation is possibly generated in the electric box body 1, the heating device 2 can heat the wall surface of the electric box body 1 to ensure that the temperature of the inner wall of the wall surface is higher than the dew point temperature of air in the electric box body 1, thereby avoiding the generation of condensation in the electric box body 1, ensuring the drying of components in the electric box body 1, preventing electrical short circuits and improving the safety performance.
As a preferred or alternative embodiment, the outer surface of the heating device 2 is in contact with the electrical box body 1 for heat transfer.
Specifically, the outer surface of the heating device 2 is in contact with the electrical box body 1 to transfer heat, so that the heat can be directly transferred to the electrical box body 1, and unnecessary resource waste is avoided.
As a preferred or alternative embodiment, the electrical box body 1 includes a box body 11, and a heating device mounting structure is provided on the box body 11 to 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 evenly heated, make it can be faster evenly distribute the heat in electric appliance box body 1, avoid the production of condensation phenomenon.
In a preferred or alternative embodiment, the heating device mounting structure is a mounting hole 12 provided on the box 11 along the length direction thereof, and the heating device 2 can be inserted into the mounting hole 12 to be fixed.
Specifically, as shown in fig. 3, the mounting hole 12 is formed in the back plate of the box body 11, the axial direction of the mounting hole is along the length direction of the box body 11, the heating device 2 can be directly inserted into the mounting hole 12, and the wall surface of the box body 11 is heated by the heating device 2 to make the temperature higher than the dew point temperature of the air in the box body 11, so that the condensation phenomenon is prevented; at the same time, it is possible to prevent the heating device 2 from being in direct contact with the electrical equipment mounted in the case 11 to cause damage to the electrical equipment.
In a preferred or alternative embodiment, the outer surface of the case 11 is provided with a coolant heat dissipation plate 13, the coolant pipe 3 is mounted on the coolant heat dissipation plate 13, and the mounting hole 12 is provided between the coolant heat dissipation plate 13 and the inner wall surface of the case 11.
Specifically, the cooling medium heat dissipation plate 13 and the box body 11 are integrally formed, and the cooling medium heat dissipation plate 13 is used for installing the cooling medium pipe 3, so that the cooling medium pipe 3 can absorb heat of the electric box body 1 to cool the electric box body 1.
As a preferred or alternative embodiment, the heating device 2 is an electric heating rod.
As a preferred or alternative embodiment, the electrical box body 1 includes a box body 11, a filter device 14 and a heat dissipating device 15, where the filter device 14 and the heat dissipating device 15 are disposed in the box body 11, and the heat dissipating device 15 is in contact with the filter device 14 for heat transfer.
Specifically, the filter device 14 generates a large amount of heat during the working process, the heat dissipation device 15 contacts with the filter device 14, and the heat generated by the filter device 14 can be transferred to the box 11 to dissipate the heat of the filter device 14, so as to prevent the filter device 14 from being burnt out.
In a preferred or alternative embodiment, insulating struts 16 are provided between the filter 14 and the inner wall of the housing 11 so that a gap exists between the filter 14 and the inner wall of the housing 11.
The insulating support 16 can prevent the contact conduction between the filter device 14 and the inner wall surface of the box body 11, ensure the electric gap between the filter device 14 and the inner wall surface of the box body 11, ensure the safety performance of the electrical box body 1, and the screws penetrate through the insulating support 16 to fixedly connect the PCB on the filter device with the box body 11.
As a preferred or alternative embodiment, a heat sink 15 is provided between the filter 14 and the inner wall surface of the case 11.
Specifically, the heat sink 15 is disposed in the gap where the insulating support 16 is supported, and one surface thereof is in contact with the filter device 14 and the other surface thereof is in contact with the inner wall surface of the case 11, so that heat generated by the filter device 14 can be rapidly transferred to the case 11 and cooled by the refrigerant pipe 3 in contact with the case 11.
As 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 the PCB is not deformed due to the fact that the filter device 14 and the box body 11 are mounted by screws due to excessive thickness.
As a preferred or alternative embodiment, the heat sink 15 is a thermally conductive silicone sheet.
Specifically, the heat conduction silica gel sheet has high heat conduction and high insulation performance, the heat transfer coefficient of the heat conduction silica gel sheet is improved by about 130 times compared with 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 amplitude can reach about 20 ℃; since the thermally conductive silicone sheet is a soft substance and has natural adhesiveness on both sides thereof, it can be fixed in the gap between the filter device 14 and the case 11 by means of double-sided adhesiveness and compression.
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 and electrically connected with the controller.
Specifically, the filter device 14 is electrically connected with a variable frequency driving module 18, the variable frequency driving module 18 is fixedly connected with the box body 11, the condensing pressure is measured through a pressure sensor, and the saturated temperature corresponding to the condensing pressure is the condensing temperature Tc; determining temperature values T1 and T2 according to the condensation condition and the heating value in 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 turned off. Since the filter device 14 itself generates some heat when it is operated, in any case, when the temperature of either one of the filter device 14 and the variable frequency drive module 18 is higher than the safe operating temperature thereof, in order to prevent the heating apparatus 2 from transferring heat to both the filter device 14 and the variable frequency drive module 18, which would cause a risk that the temperatures of both thereof would continue to rise, the heating apparatus 2 is required to be in an off state. The pressure sensor and the heating device 2 are 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 variable frequency compressor provided by the embodiment of the invention comprises a compressor body and the anti-condensation electric appliance box provided by any technical scheme of the invention.
The variable frequency air conditioner provided by the embodiment of the invention comprises an air conditioner body and the variable frequency compressor provided by any technical scheme of the invention.
Any of the above-described embodiments of the present invention disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the invention, and the numerical values listed above should not limit the protection scope of the invention.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is used merely to facilitate distinguishing between components and not otherwise stated, and does not have a special meaning.
Meanwhile, if the above invention discloses or relates to parts or structural members fixedly connected with each other, the fixed connection may be understood as follows unless otherwise stated: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-removable fixed connection (e.g., riveting, welding), of course, the fixed connection to each other may be an integral structure (e.g., integrally formed using a casting process instead of being obviously impossible to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated. Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (11)
1. An anti-condensation electric appliance box is characterized by comprising an electric appliance box body and a heating device; wherein,
The heating device is fixedly arranged on the electric box body in a region close to the refrigerant pipe and can heat the wall surface temperature in the electric box body;
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;
the heating device is arranged along the length direction of the box body;
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;
The outer surface of the box body is provided with a refrigerant heat dissipation plate, the refrigerant pipe is installed on the refrigerant heat dissipation plate, and the installation hole is formed between the refrigerant heat dissipation plate and the inner wall surface of the box body.
2. The anti-condensation electrical box according to claim 1, wherein an outer surface of the heating device is in contact with the electrical box body for heat transfer.
3. The anti-condensation electrical box of claim 1, wherein the heating device is an electrical heating rod.
4. The anti-condensation electrical box according to claim 1, wherein the electrical box body comprises a box body, a filtering device and a heat dissipating device, the filtering device and the heat dissipating device are arranged in the box body, and the heat dissipating device is in contact with the filtering device for heat transfer.
5. The anti-condensation electrical box according to claim 4, wherein an insulating pillar is provided between the filter and the inner wall surface of the box body so that a gap exists between the filter and the inner wall surface of the box body.
6. The anti-condensation electrical box according to claim 5, wherein the heat dissipating device is disposed between the filter device and the inner wall surface of the box body.
7. The anti-condensation electric box of claim 5, wherein the thickness dimension of the heat dissipating device is 0.1mm to 0.4mm greater than the height dimension of the insulating support.
8. The anti-condensation electrical box of claim 4, wherein the heat sink is a thermally conductive silicone sheet.
9. The anti-condensation electrical box of claim 1, further comprising a controller and a pressure sensor; the pressure sensor and the heating device are respectively and electrically connected with the controller.
10. A variable frequency compressor comprising a compressor body and the anti-condensation electrical box of any one of claims 1-9.
11. A variable frequency air conditioner comprising an air conditioner body and the variable frequency compressor of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915054.3A CN110631248B (en) | 2019-09-26 | 2019-09-26 | Anti-condensation electric box, variable frequency compressor and variable frequency air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910915054.3A CN110631248B (en) | 2019-09-26 | 2019-09-26 | Anti-condensation electric box, variable frequency compressor and variable frequency air conditioner |
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| CN110631248A CN110631248A (en) | 2019-12-31 |
| CN110631248B true CN110631248B (en) | 2024-07-26 |
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| CN201910915054.3A Active CN110631248B (en) | 2019-09-26 | 2019-09-26 | Anti-condensation electric box, variable frequency compressor and variable frequency air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111442419A (en) * | 2020-05-11 | 2020-07-24 | 珠海格力电器股份有限公司 | An electrical box structure and an air conditioner outdoor unit |
| CN114110913B (en) * | 2021-11-09 | 2022-12-13 | 珠海格力电器股份有限公司 | Air conditioning system, anti-condensation control method and device thereof, storage medium and processor |
| CN114183914B (en) * | 2021-12-10 | 2022-10-28 | 珠海格力电器股份有限公司 | Condensation removing method and device for air conditioner screen |
| CN115111708B (en) * | 2022-06-30 | 2023-07-21 | 广东芬尼克兹节能设备有限公司 | Fluorine cold driving plate condensation prevention control method, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210861657U (en) * | 2019-09-26 | 2020-06-26 | 珠海格力电器股份有限公司 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
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| JP5434862B2 (en) * | 2010-09-20 | 2014-03-05 | 株式会社デンソー | Power converter |
| CN204830376U (en) * | 2015-08-17 | 2015-12-02 | 珠海格力电器股份有限公司 | Anti-condensation electric appliance box and air conditioner with same |
| CN105091465A (en) * | 2015-08-27 | 2015-11-25 | 广东奥马电器股份有限公司 | Refrigerator and method for solving condensation problem of middle beam of refrigerator |
| CN205279386U (en) * | 2015-11-18 | 2016-06-01 | 珠海格力电器股份有限公司 | Prevent condensation structure, motor wiring board, helical-lobe compressor and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210861657U (en) * | 2019-09-26 | 2020-06-26 | 珠海格力电器股份有限公司 | Anti-condensation electrical box, variable frequency compressor and variable frequency air conditioner |
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