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CN203586488U - Air conditioning unit - Google Patents

Air conditioning unit Download PDF

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Publication number
CN203586488U
CN203586488U CN201320818045.0U CN201320818045U CN203586488U CN 203586488 U CN203586488 U CN 203586488U CN 201320818045 U CN201320818045 U CN 201320818045U CN 203586488 U CN203586488 U CN 203586488U
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CN
China
Prior art keywords
frequency converter
conditioning unit
air
cooling system
independent 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.)
Expired - Lifetime
Application number
CN201320818045.0U
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Chinese (zh)
Inventor
庞维容
唐政清
明开云
周泳闯
钟金扬
李伟进
彭嘉欣
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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.)
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Publication date
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Priority to CN201320818045.0U priority Critical patent/CN203586488U/en
Application granted granted Critical
Publication of CN203586488U publication Critical patent/CN203586488U/en
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Expired - Lifetime legal-status Critical Current

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  • Air Conditioning Control Device (AREA)

Abstract

The utility model provides an air conditioning unit, include: a frequency converter; the independent cooling system is used for cooling and radiating the frequency converter; the unit control device detects the working state of the frequency converter; and controlling the independent cooling system to start or stop according to the working state of the frequency converter. According to the utility model discloses an air conditioning unit is through setting up independent cooling system to according to the operating condition of converter, the independent cooling system of control is opened or is stopped. The frequency converter works, the independent cooling system is started, the frequency converter does not work, the independent cooling system stops, the problem that cooling of the frequency converter in the prior art must depend on a refrigeration cycle system is solved, and therefore the problem that the frequency converter cannot be cooled when the refrigeration cycle system is not operated by an air conditioning unit is solved.

Description

Air-conditioning unit
Technical field
The utility model relates to field of air conditioning, in particular to a kind of air-conditioning unit.
Background technology
In prior art, to the cooling cooling cycle system that generally all relies on unit of the frequency converter of air-conditioning unit, for example the drive electronic device of cooling frequency converter is mounted to a fin and has thermally conductive relation, and the cold-producing medium of exporting from the condenser of cooling cycle system by circulation pipeline is to fin, thereby make cold-producing medium and fin there is thermally conductive relation, on circulation pipeline, be provided with control valve, for regulating refrigerant flow by pipeline, so that within heatsink temperature remains on the scope needing.
But, must could be cooling to frequency converter the cooling cycle system work in the situation that to the cooling mode of frequency converter in prior art, and in the situation that some is special, for example photovoltaic air-conditioning unit, when operating in pure photovoltaic generation mode of operation, the cooling cycle system of unit is not worked, but frequency converter needs work, with photovoltaic generating system is generated electricity can be all for to network system power transmission.As long as frequency converter, in work, will generate heat, just need cooling system to carry out cooling to it.
Utility model content
The utility model aims to provide a kind of air-conditioning unit to frequency converter cooling heat dissipation better effects if.
The utility model provides a kind of air-conditioning unit, comprising: frequency converter; Independent cooling system, for to frequency converter cooling heat dissipation; Machine set control device, the duty of detection frequency converter; And according to the duty of frequency converter, control independent cooling system and open or stop.
Further, machine set control device comprises the first temperature controller, the first temperature controller testing environment temperature, and according to the design temperature of environment temperature control independent cooling system.
Further, machine set control device also comprises the second temperature controller, and the second temperature controller detects the temperature of frequency converter, and according to the refrigerant flow of the temperature control independent cooling system of frequency converter.
Further, air-conditioning unit also comprises cycle refrigeration system, and cycle refrigeration system and independent cooling system are independently controlled; Cycle refrigeration system comprises compressor, and frequency converter is compressor variable frequency power supply.
Further, cycle refrigeration system also comprises frequency converter cooling line, and frequency converter cooling line and frequency converter have thermally conductive relation.
Further, air-conditioning unit also comprises photovoltaic electrification component, and the electric energy that frequency converter produces photovoltaic electrification component is supplied with compressor or is incorporated to public electric wire net.
Further, machine set control device comprises photovoltaic controller, and photovoltaic controller control photovoltaic electrification component is opened or stopped.
According to air-conditioning unit of the present utility model, by independent cooling system is set, and according to the duty of frequency converter, control independent cooling system and open or stop.Be frequency converter work, the unlatching of independent cooling system, frequency converter is not worked, independent cooling system stops, solved the cooling problem that must rely on cooling cycle system of frequency converter in prior art, thus solved air-conditioning unit cooling cycle system do not move just cannot be cooling to frequency converter problem.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the structured flowchart of air-conditioning unit of the present utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, according to air-conditioning unit of the present utility model, comprising: frequency converter 10; Independent cooling system 20, for to frequency converter 10 cooling heat dissipations; Machine set control device 30, the duty of detection frequency converter 10; And according to the duty of frequency converter 10, control independent cooling system 20 and open or stop.Be the utility model by independent cooling system 20 is set, and according to the duty of frequency converter 10, control independent cooling system 20 and open or stop.Also be that frequency converter 10 is worked, the unlatching of independent cooling system 20, frequency converter 10 is not worked, independent cooling system 20 stops, solved the cooling problem that must rely on cooling cycle system of frequency converter 10 in prior art, thus solved air-conditioning unit cooling cycle system do not move just cannot be cooling to frequency converter 10 problem.
Preferably, machine set control device 30 also comprises the first temperature controller, the first temperature controller testing environment temperature, and according to the design temperature of environment temperature control independent cooling system 20.By testing environment temperature, thus the design temperature of control independent cooling system, and independent cooling system, in to frequency converter 10 cooling heat dissipations, also can play the effect of the temperature of the environment at adjusting air conditioning group place.For example, corresponding generally have special machine room for larger-size business air conditioner unit, and at basement or the roof of building, independent cooling system can also play the effect that regulates building environment temperature.Also be that independent cooling system is equivalent to a set of minitype air conditioner, have the effect of adjusting ambient temperature, make environment temperature remain on the upper and lower certain limit of design temperature, machine set control device 30 is as long as this design temperature of change just can reach the object of the temperature that controls environment.
Preferably, machine set control device 30 also comprises the second temperature controller, and the second temperature controller detects the temperature of frequency converter 10, and according to the refrigerant flow of the temperature control independent cooling system 20 of frequency converter 10.Usually, independent cooling system 20, to being provided with flow control valve on the cooling line of frequency converter cooling heat dissipation, by detecting the temperature of frequency converter 10, thereby is controlled flow control valve, and the temperature of frequency converter 10 is remained in suitable scope.
Air-conditioning unit also comprises that cycle refrigeration system 40(is equivalent to the refrigeration system of air-conditioning unit of the prior art), cycle refrigeration system 40 is controlled with independent cooling system 20 is independent, and the two refrigerant is also mutually isolated.Also be the unlatching of independent cooling system 20 or close with cycle refrigeration system 40 and open or close independent control, prevent that the two from interfering mutually, also make the cooling heat dissipation of frequency converter 10 whether worked by frequency converter relevant, and not disturbed by other factors.Cycle refrigeration system 40 comprises compressor, and frequency converter 10 is compressor power supply, and to compressor variable frequency control, thereby the refrigerating capacity of adjusting cycle refrigeration system 40.
Preferably, be provided with equally frequency converter cooling line on cycle refrigeration system 40, frequency converter cooling line is to frequency converter cooling heat dissipation.In the utility model, when cycle refrigeration system 40 moves, frequency converter 10 can adopt the frequency converter cooling line cooling heat dissipation of cycle refrigeration system 40, when cycle refrigeration system 40 does not move, adopt independent cooling system 20 cooling heat dissipations, make air-conditioning unit operation more energy-conservation.Certainly, air-conditioning unit of the present utility model also can adopt independent cooling system 20 to frequency converter cooling heat dissipation all the time.
Preferably, air-conditioning unit also comprises photovoltaic electrification component, and when the compressor operating of cycle refrigeration system 40, the electric energy that frequency converter 10 produces photovoltaic electrification component is supplied with compressor, thereby saves the energy.When compressor is not worked, frequency converter 10 by photovoltaic electrification component generate electricity can frequency conversion after all for to public electric wire net system power transmission.Machine set control device has corresponding photovoltaic controller, and photovoltaic controller control photovoltaic electrification component is opened or stopped, and when photovoltaic electrification component unlatching work, can produce a part of electric energy, thereby make air-conditioning unit more energy-conservation.
Due to air-conditioning unit of the present utility model frequency converter 10 is provided with to independently independent cooling system of relative cooling cycle system, its control method also correspondingly change.Air-conditioning unit comprises machine set control device 30, machine set control device 30 Unit Commitment operations, frequency converter start and stop operation, independent cooling system start and stop, and the design temperature of also controlling independent cooling system makes it to play the effect of adjusting ambient temperature.
Particularly, machine set control device 30 detects the running status of frequency converter 10, when frequency converter 10 is in operation, independent cooling system 20 is opened, and independent cooling system 20 provides low temperature refrigerant to frequency converter 10 cooling heat dissipations; When frequency converter 10 quits work, independent cooling system 20 is stopped, frequency converter 10 is stopped cooling, prevent that frequency converter 10 temperature are too low, frequency converter 10 temperature are remained in the temperature range needing.In addition, when control independent cooling system 20 is opened, the design temperature of simultaneously controlling independent cooling system 20 maintains in the upper and lower certain limit of design temperature environment temperature, makes independent cooling system play the effect of adjusting ambient temperature.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to air-conditioning unit of the present utility model, by independent cooling system is set, and according to the duty of frequency converter, control independent cooling system and open or stop.Be frequency converter work, the unlatching of independent cooling system, frequency converter is not worked, independent cooling system stops, solved the cooling problem that must rely on cooling cycle system of frequency converter in prior art, thus solved air-conditioning unit cooling cycle system do not move just cannot be cooling to frequency converter problem.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (7)

1. an air-conditioning unit, is characterized in that, comprising:
Frequency converter (10);
Independent cooling system (20), for to frequency converter (10) cooling heat dissipation;
Machine set control device (30), detects the duty of described frequency converter (10); And according to the duty of described frequency converter (10), control described independent cooling system (20) and open or stop.
2. air-conditioning unit according to claim 1, is characterized in that,
Described machine set control device (30) comprises the first temperature controller, described the first temperature controller testing environment temperature, and according to the design temperature of independent cooling system (20) described in described environment temperature control.
3. air-conditioning unit according to claim 1 and 2, is characterized in that,
Described machine set control device (30) also comprises the second temperature controller, and described the second temperature controller detects the temperature of described frequency converter (10), and according to the refrigerant flow of independent cooling system (20) described in the temperature control of described frequency converter (10).
4. air-conditioning unit according to claim 1 and 2, is characterized in that,
Described air-conditioning unit also comprises cycle refrigeration system (40), and described cycle refrigeration system (40) is controlled with described independent cooling system (20) is independent;
Described cycle refrigeration system (40) comprises compressor, and described frequency converter (10) is described compressor power supply.
5. air-conditioning unit according to claim 4, is characterized in that,
Described cycle refrigeration system (40) also comprises frequency converter cooling line, and described frequency converter cooling line and described frequency converter have thermally conductive relation.
6. air-conditioning unit according to claim 4, is characterized in that,
Described air-conditioning unit also comprises photovoltaic electrification component, and the electric energy that described frequency converter (10) produces described photovoltaic electrification component is supplied with described compressor and/or is incorporated to public electric wire net.
7. air-conditioning unit according to claim 6, is characterized in that,
Described machine set control device (30) comprises photovoltaic controller, and photovoltaic electrification component is opened or stops described in described photovoltaic controller control.
CN201320818045.0U 2013-12-11 2013-12-11 Air conditioning unit Expired - Lifetime CN203586488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320818045.0U CN203586488U (en) 2013-12-11 2013-12-11 Air conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320818045.0U CN203586488U (en) 2013-12-11 2013-12-11 Air conditioning unit

Publications (1)

Publication Number Publication Date
CN203586488U true CN203586488U (en) 2014-05-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320818045.0U Expired - Lifetime CN203586488U (en) 2013-12-11 2013-12-11 Air conditioning unit

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Country Link
CN (1) CN203586488U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713204A (en) * 2013-12-11 2015-06-17 珠海格力电器股份有限公司 Air conditioning unit and control method
CN105299939A (en) * 2015-11-30 2016-02-03 珠海格力电器股份有限公司 Frequency converter cooling dehumidification system, variable frequency compressor unit and refrigeration plant
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104713204A (en) * 2013-12-11 2015-06-17 珠海格力电器股份有限公司 Air conditioning unit and control method
CN105299939A (en) * 2015-11-30 2016-02-03 珠海格力电器股份有限公司 Frequency converter cooling dehumidification system, variable frequency compressor unit and refrigeration plant
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US11919363B2 (en) 2017-08-25 2024-03-05 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle

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Granted publication date: 20140507

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