CN106288032A - A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise and air-conditioning - Google Patents

A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise and air-conditioning Download PDF

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Publication number
CN106288032A
CN106288032A CN201610665597.0A CN201610665597A CN106288032A CN 106288032 A CN106288032 A CN 106288032A CN 201610665597 A CN201610665597 A CN 201610665597A CN 106288032 A CN106288032 A CN 106288032A
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CN
China
Prior art keywords
air
cooling loop
conditioning
frequency conversion
described cooling
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.)
Pending
Application number
CN201610665597.0A
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Chinese (zh)
Inventor
罗荣邦
许文明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201610665597.0A priority Critical patent/CN106288032A/en
Publication of CN106288032A publication Critical patent/CN106288032A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/20Electric components for separate outdoor units
    • F24F1/24Cooling of electric components
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001Compression cycle type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air

Abstract

The invention discloses a kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise and air-conditioning, air-conditioning at least includes independent refrigerating circuit and cooling loop, described cooling loop flows through the frequency conversion plate of air-conditioner outdoor unit, described refrigerating circuit and described cooling loop are connected to expansion valve, the off-premises station of air-conditioning includes double-entry compressor and condenser, the import with described compressor respectively of the air return end in described refrigerating circuit and described cooling loop is connected, described method includes: the actual temperature of sensing chamber's external environment, actual temperature is compared with pre-set target temperature, the expansion valve opening in described cooling loop is adjusted according to comparative result, control the cold medium flux in described cooling loop.Control the radiating effect of frequency conversion plate, reduce its temperature rise, prevent from shutting down.

Description

A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise and air-conditioning
Technical field
The present invention relates to air-conditioning technical field, particularly relate to one and utilize double back air compressor to reduce frequency conversion board chip temperature The method risen, relates to the air-conditioning applying the method simultaneously.
Background technology
Air-conditioning uses environment to be divided into T1, T2, T3 operating mode, under T3 operating mode, uses ambient temperature to reach 46 in the case of refrigeration Degree and more than, sometimes up to more than 53 degree, under such external environment, the chip of frequency conversion plate only by fin dispel the heat cannot expire Foot cooling needs, and often will shut down because of chip protection, and cannot open the short time, will result in the hottest air-conditioning of weather and more cannot Situation about using.In view of above-mentioned needs, a kind of method utilizing refrigerant passage to lower the temperature to chip of invention, it is possible to significantly drop The temperature rise of low chip, will not occur the phenomenon occurring shutting down because external environment temperature rise is too high.
Summary of the invention
The technical problem to be solved is to overcome the deficiency of above-mentioned prior art, it is provided that utilize double back air pressure to contract Machine reduces method and the air-conditioning of frequency conversion board chip temperature rise, utilizes double back air compressor, and a road lowers the temperature to frequency conversion board chip, another road Meet refrigeration needs.
A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention, air-conditioning is at least Including independent refrigerating circuit and cooling loop, described cooling loop flows through the frequency conversion plate of air-conditioner outdoor unit, described refrigerating circuit Being connected to expansion valve with in described cooling loop, the off-premises station of air-conditioning includes double-entry compressor and condenser, described system The import with described compressor respectively of the air return end in cold loop and described cooling loop is connected, and described method includes: sensing chamber The actual temperature of external environment, compares actual temperature with pre-set target temperature, adjusts described cooling according to comparative result and returns The expansion valve opening on road, controls the cold medium flux in described cooling loop.
According to the present invention provide a kind of utilize double back air compressor reduce frequency conversion board chip temperature rise method also have as Under attached technical characteristic:
Farther including, set outdoor actual temperature as Tao, target temperature is Tn, by actual temperature Tao and target temperature Tn compares computing, it is determined that difference, the expansion valve opening in the loop that lowers the temperature according to mathematic interpolation.
Farther include, set the difference of described actual temperature Tao and target temperature Tn as △ T, △ T=Tao-Tn, if The instantaneous aperture of expansion valve in fixed described cooling loop is S, and minimum reference aperture is b, and proportionality coefficient is K, as 0≤△ T/Tn < 1 Time,
S=K* (△ T/Tn)+b.Described target temperature Tn
Farther include, set the maximum opening of expansion valve in described cooling loop as a, described Proportional coefficient K=a-b.
Farther including, described target temperature is the reference chamber external environment of the expansion valve unlatching in default described cooling loop Temperature.
A kind of air-conditioning utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention, air-conditioning is at least Including independent refrigerating circuit and cooling loop, described cooling loop flows through the frequency conversion plate of air-conditioner outdoor unit, described refrigerating circuit Being connected to expansion valve with in described cooling loop, the off-premises station of air-conditioning includes double-entry compressor and condenser, described system The import with described compressor respectively of the air return end in cold loop and described cooling loop is connected, and also includes detector unit, detection The actual temperature of outdoor environment, comparing unit, actual temperature is compared with pre-set target temperature, control unit, according to than Relatively result adjusts the expansion valve opening in described cooling loop, controls the cold medium flux in described cooling loop.
Farther including, described frequency conversion plate is provided with cooling heat-exchanging component, described cooling loop flows through described cooling and changes Hot assembly.
Farther including, be additionally provided with flash evaporation in described cooling loop, described flash evaporation is positioned at described cooling loop Between expansion valve and described frequency conversion plate.
Farther including, described flash evaporation includes seal casinghousing, the feed tube that inserts in described housing and an escape pipe, Giving vent to anger described in described feed tube ratio pipe range, described feed tube is passed directly to described housing bottom
Farther including, described cooling heat-exchanging component is the coolant ring being coiled on described frequency conversion plate.
According to the present invention provide a kind of utilize double back air compressor reduce the method for frequency conversion board chip temperature rise and air-conditioning with Prior art is compared and is had the advantage that the present invention's utilizes double back air compressor, connects the refrigerating circuit of independent operating respectively With cooling loop, air-conditioning is started shooting in the case of refrigeration, it is possible to by detection outdoor environment temperature, it made comparisons with target temperature Computing, it is determined that difference, calculates the aperture that expansion valve needs, and controls its aperture by master control borad, thus controls through frequency conversion plate Cooling loop cold medium flux, control frequency conversion plate radiating effect, reduce its temperature rise, prevent shut down.
Accompanying drawing explanation
Fig. 1 is the structural representation that air-conditioning of the present invention is overall;
Wherein, 1 refrigerating circuit;2 cooling loops;The expansion valve of 3 refrigerating circuits;The expansion valve in 4 cooling loops;5 pairs Imported compressor;6 condensers;7 frequency conversion plates;71 cooling heat-exchanging components;8 axial-flow fans;9 aerofoil fans;11 freeze back The fluid reservoir on road;12 vaporizers;The fluid reservoir in 21 cooling loops, 22 flash evaporations.
Detailed description of the invention
For the scheme in the present invention is clearly described, preferred embodiment is given below and is described with reference to the accompanying drawings.With Under illustrative in nature on be merely exemplary and be not intended to limit the application of the disclosure or purposes.It should be appreciated that In whole accompanying drawings, corresponding reference represents identical or corresponding parts and feature.
As it is shown in figure 1, a kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise that the present invention provides, empty Being adjusted to include independent refrigerating circuit 1 and cooling loop 2 less, described cooling loop 2 flows through the frequency conversion plate 7 of air-conditioner outdoor unit, institute Stating in refrigerating circuit 1 and described cooling loop 2 and be connected to expansion valve 3,4, the off-premises station of air-conditioning includes double-entry compressor 5 Import with described compressor 5 is connected respectively with condenser 6, described refrigerating circuit 1 and the air return end in described cooling loop 2, Described method includes:
The actual temperature of sensing chamber's external environment, uses temperature sensor to detect outdoor actual temperature, and will inspection The numerical value measured is transmitted.
Actual temperature is compared with pre-set target temperature, produces comparative result.
Adjust the expansion valve opening in described cooling loop according to comparative result, control the cold medium flux in described cooling loop. It is thus possible to control the temperature in cooling loop.
Double back air compressor in the present invention refers to have two gas returning ports, and the pressure being independently controlled two loops Contracting machine.The indoor set of the air-conditioning in the present invention also has the parts such as vaporizer 12, axial-flow fan 8 and housing, and off-premises station also has axle Flow fan 9 parts such as grade, these parts belong to the prior art of maturation, and these structures are unrelated with the inventive point of the present invention, at this Repeat no more.
A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention is wrapped further Including, setting outdoor actual temperature is Tn as Tao, target temperature, and with target temperature Tn, actual temperature Tao is compared computing, Judge difference, expansion valve 4 aperture in the loop that lowers the temperature according to mathematic interpolation.Size according to difference controls described cooling and returns Road expansion valve opening, thus reach step-less adjustment.
A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention is wrapped further Include, set the difference of described actual temperature Tao and target temperature Tn as △ T, △ T=Tao-Tn, set described cooling loop The instantaneous aperture of expansion valve 4 is S, and minimum reference aperture is b, and proportionality coefficient is K, as 0≤△ T/Tn < 1,
S=K* (△ T/Tn)+b.
Described target temperature Tn in the present embodiment is generally 35 DEG C, naturally it is also possible to take other numerical value, needs according to reality Pre-set.Described Proportional coefficient K is constant, also pre-sets.
By above-mentioned formula, in that context it may be convenient to determine expansion valve 4 aperture, it is achieved change expansion valve 4 according to outdoor temperature It is finely adjusted, thus accurately controls the temperature of frequency conversion plate 7.
A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention is wrapped further Include, set the maximum opening of expansion valve in described cooling loop as a, described Proportional coefficient K=a-b.In the present embodiment, expansion valve Minimum reference aperture b of 4 is 54, and maximum opening a is 500, then Proportional coefficient K is 446.Therefore, S=K* (△ T/Tn)+b is S =446* (△ T/Tn)+54.
A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention is wrapped further Including, described target temperature is the benchmark outdoor environment temperature of the expansion valve unlatching in default described cooling loop.
Below in conjunction with some embodiments of the present invention, the concrete control process of said method is described in detail:
Target setting temperature Tn is 35 DEG C, and refrigeration start detects that outdoor actual temperature Tao is 38 DEG C, then difference △ T= Tao-Tn=38-35=3.Set outdoor temperature variable quantity as △ T/Tn=3/35.Minimum reference aperture b of expansion valve 4 is 54, Maximum opening a is 500, and described Proportional coefficient K is 446.Therefore, expansion valve 4 when outdoor temperature is 38 DEG C, the wink of expansion valve 4 Shi Kaidu S=446* (3/35)+54 ≈ 92, i.e. instantaneous aperture S of expansion valve 4 are about 92.Therefore, the present invention is except reality Temperature needs outside detection, and other parameter pre-sets, and can show that the instantaneous of expansion valve 4 leaves according to the actual temperature of detection Degree, thus control the aperture of expansion valve 4, it is achieved the control to described cooling loop 2 cold medium flux.
See Fig. 1, a kind of air-conditioning utilizing double back air compressor to reduce frequency conversion board chip temperature rise provided according to the present invention, Air-conditioning at least includes independent refrigerating circuit 1 and cooling loop 2, and described cooling loop 2 flows through the frequency conversion plate 7 of air-conditioner outdoor unit, Being connected to expansion valve 3,4 in described refrigerating circuit 1 and described cooling loop 2, the off-premises station of air-conditioning includes that double feed inlet compresses The import with described compressor 5 respectively of machine 5 and condenser 6, described refrigerating circuit 1 and the air return end in described cooling loop 2 is connected Connect, also include
Detector unit, the actual temperature of sensing chamber's external environment, actual temperature signal is converted to the signal of telecommunication, and is transferred to ratio Relatively unit.
Comparing unit, compares actual temperature with pre-set target temperature, transmits comparative result to control unit.
Control unit, adjusts the expansion valve opening in described cooling loop, controls described cooling loop according to comparative result Cold medium flux.Forming control signal according to comparative result, described control signal controls the aperture of expansion valve, thus controls described fall The cold medium flux of temperature loops, it is achieved the control to frequency conversion plate temperature.
Farther including, described frequency conversion plate 7 is provided with cooling heat-exchanging component 71, described cooling loop 2 flows through described fall Temperature heat-exchanging component 71.Described cooling heat-exchanging component 71 is the coolant ring being coiled on described frequency conversion plate 7.Described cooling heat-exchanging component 71 can carry out heat exchange with the chip on frequency conversion plate 7, thus reduce the temperature of chip, prevent from shutting down.
Farther including, be additionally provided with flash evaporation 22 in described cooling loop 2, described flash evaporation 22 is positioned at described cooling and returns Between expansion valve 4 and the described frequency conversion plate 7 on road 2.The feed liquor that described flash evaporation 22 includes seal casinghousing, inserts in described housing Managing and an escape pipe, pipe range of giving vent to anger described in described feed tube ratio, described feed tube is passed directly to described housing bottom, when liquid is cold After matchmaker enters described flash evaporation, pressure diminishes, and coolant part becomes gaseous state, flows out through described escape pipe.Described flash evaporation will Liquid refrigerants becomes gaseous state, and temperature-resistant.
The air-conditioning embodiment that the present invention provides also includes and is positioned at the aerofoil fan 9 of off-premises station and two fluid reservoirs 11,12, Described refrigerating circuit 1 and cooling loop 2 are connected with described compressor 5 via a fluid reservoir 11,12 respectively.Described indoor set is also Include the parts such as vaporizer 12, axial-flow fan 8 and housing.
In sum, above said content is only embodiments of the invention, is merely to illustrate the principle of the present invention, not uses In limiting protection scope of the present invention.All within the spirit and principles in the present invention, any amendment, the equivalent made, change Enter, should be included within the scope of the present invention.

Claims (10)

1. one kind utilizes the method that double back air compressor reduces frequency conversion board chip temperature rise, it is characterised in that air-conditioning at least includes solely Vertical refrigerating circuit and cooling loop, described cooling loop flows through the frequency conversion plate of air-conditioner outdoor unit, described refrigerating circuit and described Cooling is connected to expansion valve in loop, and the off-premises station of air-conditioning includes double-entry compressor and condenser, described refrigerating circuit Import with described compressor is connected respectively with the air return end in described cooling loop, and described method includes:
The actual temperature of sensing chamber's external environment,
Actual temperature is compared with pre-set target temperature,
Adjust the expansion valve opening in described cooling loop according to comparative result, control the cold medium flux in described cooling loop.
Method the most according to claim 1, it is characterised in that: setting outdoor actual temperature is Tn as Tao, target temperature, Actual temperature Tao is compared computing with target temperature Tn, it is determined that difference, the expansion in the loop that lowers the temperature according to mathematic interpolation Valve opening.
Method the most according to claim 2, it is characterised in that: set the difference of described actual temperature Tao and target temperature Tn Value is △ T, △ T=Tao-Tn, and the instantaneous aperture of expansion valve setting described cooling loop is b as S, minimum reference aperture, ratio Coefficient is K, as 0≤△ T/Tn < 1,
S=K* (△ T/Tn)+b.
Method the most according to claim 3, it is characterised in that: set described cooling loop expansion valve maximum opening as A, described Proportional coefficient K=a-b.
Method the most according to claim 3, it is characterised in that: described target temperature is the swollen of default described cooling loop The benchmark outdoor environment temperature that swollen valve is opened.
6. the air-conditioning of the method applied described in any one of claim 1-5, it is characterised in that: air-conditioning at least includes independent Refrigerating circuit and cooling loop, described cooling loop flows through the frequency conversion plate of air-conditioner outdoor unit, described refrigerating circuit and described cooling Being connected to expansion valve in loop, the off-premises station of air-conditioning includes double-entry compressor and condenser, described refrigerating circuit and institute The air return end import with described compressor respectively stating cooling loop is connected, and also includes
Detector unit, the actual temperature of sensing chamber's external environment,
Comparing unit, compares actual temperature with pre-set target temperature,
Control unit, adjusts the expansion valve opening in described cooling loop, controls the coolant in described cooling loop according to comparative result Flow.
7. air-conditioning as claimed in claim 6, it is characterised in that: it is provided with cooling heat-exchanging component, described fall on described frequency conversion plate Temperature loops flows through described cooling heat-exchanging component.
8. air-conditioning as claimed in claim 6, it is characterised in that: described cooling loop is additionally provided with flash evaporation, described shwoot Between device expansion valve and described frequency conversion plate in described cooling loop.
9. air-conditioning as claimed in claim 8, it is characterised in that: described flash evaporation includes seal casinghousing, inserts in described housing A feed tube and an escape pipe, pipe range of giving vent to anger described in described feed tube ratio, described feed tube is passed directly to described housing bottom.
10. air-conditioning as claimed in claim 7, it is characterised in that: described cooling heat-exchanging component is for being coiled on described frequency conversion plate Coolant ring.
CN201610665597.0A 2016-08-12 2016-08-12 A kind of method utilizing double back air compressor to reduce frequency conversion board chip temperature rise and air-conditioning Pending CN106288032A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107228455A (en) * 2017-06-09 2017-10-03 青岛海尔空调器有限总公司 A kind of air conditioner and control method
CN111256292A (en) * 2020-02-13 2020-06-09 海信(山东)空调有限公司 Air conditioner and control method thereof
EP3748251A4 (en) * 2018-01-31 2021-03-31 Qingdao Haier Air-Conditioning Electronic Co., Ltd Air conditioner heat dissipation structure control method and system
CN113905594A (en) * 2021-10-28 2022-01-07 珠海格力电器股份有限公司 Heat dissipation control method and device of frequency converter power module, medium and radiator

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JPS6189769U (en) * 1984-11-15 1986-06-11
KR101213374B1 (en) * 2008-06-12 2012-12-20 다이킨 고교 가부시키가이샤 air conditioner
CN104848436A (en) * 2015-05-11 2015-08-19 广东美的暖通设备有限公司 Electronic component box cooling system, refrigerant flow control method and air conditioner
CN105066281A (en) * 2015-07-22 2015-11-18 广东美的暖通设备有限公司 Heat radiation structure of electronic control module and heat radiation method thereof, air conditioning outdoor unit and air conditioner
CN105115064A (en) * 2015-09-14 2015-12-02 广东美的制冷设备有限公司 Air conditioner outdoor unit and cooling control method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6189769U (en) * 1984-11-15 1986-06-11
KR101213374B1 (en) * 2008-06-12 2012-12-20 다이킨 고교 가부시키가이샤 air conditioner
CN104848436A (en) * 2015-05-11 2015-08-19 广东美的暖通设备有限公司 Electronic component box cooling system, refrigerant flow control method and air conditioner
CN105066281A (en) * 2015-07-22 2015-11-18 广东美的暖通设备有限公司 Heat radiation structure of electronic control module and heat radiation method thereof, air conditioning outdoor unit and air conditioner
CN105115064A (en) * 2015-09-14 2015-12-02 广东美的制冷设备有限公司 Air conditioner outdoor unit and cooling control method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107228455A (en) * 2017-06-09 2017-10-03 青岛海尔空调器有限总公司 A kind of air conditioner and control method
EP3748251A4 (en) * 2018-01-31 2021-03-31 Qingdao Haier Air-Conditioning Electronic Co., Ltd Air conditioner heat dissipation structure control method and system
CN111256292A (en) * 2020-02-13 2020-06-09 海信(山东)空调有限公司 Air conditioner and control method thereof
CN111256292B (en) * 2020-02-13 2021-12-14 海信(山东)空调有限公司 Air conditioner and control method thereof
CN113905594A (en) * 2021-10-28 2022-01-07 珠海格力电器股份有限公司 Heat dissipation control method and device of frequency converter power module, medium and radiator

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Application publication date: 20170104