CN108106288A - A kind of air-conditioner defrosting control system - Google Patents
A kind of air-conditioner defrosting control system Download PDFInfo
- Publication number
- CN108106288A CN108106288A CN201711422775.8A CN201711422775A CN108106288A CN 108106288 A CN108106288 A CN 108106288A CN 201711422775 A CN201711422775 A CN 201711422775A CN 108106288 A CN108106288 A CN 108106288A
- Authority
- CN
- China
- Prior art keywords
- air
- heat exchanger
- generating component
- wind
- heat generating
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioner defrosting control system, including the circulation loop that is formed of being linked in sequence by compressor, four-way valve, indoor heat exchanger, throttling set, outdoor heat exchanger, it is characterised in that:The side windward of outdoor heat exchanger is provided with heater system, the heater system includes air passage, the heat generating component being arranged in air passage and fan assembly and control piece, the heat generating component, fan assembly, control piece are electrically connected with air conditioner mainboard by circuit.The beneficial effects of the invention are as follows:The present invention is provided with heater system by the surface side windward in outdoor heat exchanger, and the high temperature warm wind provided using heater system makes its air themperature raise and defrost;The blowing defrosting mode without warm wind is still further provided, makes its outdoor heat exchanger that can not form frost layer due to big wind speed, so as to achieve the purpose that prevent frosting.In this process, indoor not have to stop heating, what air conditioner can be steadily in the long term heat, and improves comfort.
Description
Technical field
The present invention relates to air-conditioning technical fields, are to be related to a kind of air-conditioner defrosting control system specifically.
Background technology
In winter, air conditioner is in heating process, and since outdoor temperature is relatively low, outdoor heat exchanger easily generates frosting and shows
As, and heat exchanger frosting be influence air-conditioning system operational efficiency an important factor for one of.Frost can increase heat exchanger surface
Thermal resistance and windage, make its coefficient of heat transfer reduction, heat transfer efficiency decline.Therefore, when frost reaches a certain level, it is necessary to
Heat exchanging device carries out defrosting operation, to recover its heat exchange property.
GB/T7725-2004 room air conditioner standards Appendix B provides:Domestic air conditioning heat pump frosting section for 5.5 °C ~-
8.5 °C, it is generally acknowledged that frost-free higher than 5.5 °C and less than -8.5 °C scopes, this obvious frosting has with the temperature in air
Apparent relation, still, white formation also follow the wind and have certain relation.When breezy, air is slowly through cold object
Steam is constantly supplied on surface, is conducive to the formation of frost.But wind it is big when, due to air flow obtain quickly, contact
The time of cold body surface is too short, while when wind is big, the air of levels easily mutually mixes, and is unfavorable for temperature reduction,
So as to may interfere with the formation of frost.In general, when wind speed reaches 3 grades or 3 grades or more, frost is just not easily formed.
The Defrost mode that air-conditioning uses mostly at present is that four-way valve is commutated to refrigeration operational state after shutting down, while indoor
Outer wind turbine is out of service.During defrosting, air-conditioning stops heating operation, it is also necessary to from indoor draw heat so that corresponding room
Between temperature declined, fluctuations in indoor temperature scope is big, heating comfort it is poor.
The content of the invention
In view of the above-mentioned problems of the prior art, present invention aims at provide one kind to defrost and do not influence room
The air-conditioner defrosting control system of interior heating.
To achieve these goals, the technical solution adopted by the present invention is as follows:
A kind of air-conditioner defrosting control system, including suitable by compressor, four-way valve, indoor heat exchanger, throttling set, outdoor heat exchanger
Sequence connects the circulation loop to be formed, it is characterised in that:The side windward of outdoor heat exchanger is provided with heater system, it is described
Heater system includes air passage, the heat generating component being arranged in air passage and fan assembly and control piece, the heat generating component, wind
Thermomechanical components, control piece are electrically connected with air conditioner mainboard by circuit.
Further, the heater system further includes the air outlet for being located at heat generating component front end and is located at air passage rear end
Air intake vent, be additionally provided with switching device on the circuit between control piece and heat generating component, control piece controls switching device
It opens and closes.
Further, the heat generating component is heating wire, which is equipped with overheat protector and temperature controller.
Further, the fan assembly includes the wind wheel and motor that are successively set on from top to bottom in the air passage, institute
Stating wind wheel includes the wind wheel disk that is fixed on the output shaft of the motor and is vertical at the both sides of the wind wheel disk and with the wind
If the dry plate fan blade for being centrally formed annular array distribution of wheel disc.
Further, the motor is turned on and off by control piece control.
Further, when the switching device is closed, heat generating component disconnects electrical connection, and the fan assembly is directly from outlet air
Mouth blowing cold air, wind speed is up to 3 grades or 3 grades or more.
Further, controller is further included, the controller is equipped with defrosting mode, and the defrosting mode includes warm wind certainly
Dynamic defrosting mode and blowing defrosting mode.
The beneficial effects of the invention are as follows:The present invention is provided with heater system by the surface side windward in outdoor heat exchanger
System, the high temperature warm wind provided using heater system make its air themperature raise and defrost;It still further provides without warm
The blowing defrosting mode of wind, i.e., when opening air conditioner, selection blowing defrosting mode can directly continue against outdoor heat exchanger
Blowing, makes its outdoor heat exchanger that can not form frost layer due to big wind speed, so as to achieve the purpose that prevent frosting.In the process
In, interior does not have to stop heating, and what air conditioner can be steadily in the long term heat, and substantially increases comfort.
Description of the drawings
Fig. 1 is the control principle drawing of the present invention;
Fig. 2 is the fan assembly structure diagram of the present invention.
Specific embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings, but embodiments of the present invention are not
It is only limitted to this.
Embodiment
As depicted in figs. 1 and 2, a kind of air-conditioner defrosting control system, including by compressor 1, four-way valve 6, indoor heat exchanger
2nd, throttling set 3, outdoor heat exchanger 4 are linked in sequence the circulation loop to be formed, and are provided in the side windward of outdoor heat exchanger 4 warm
Wind apparatus system 5, by improving the temperature of outdoor heat exchanger 4 and the purpose of defrost.The heater system 5 includes air passage
(It is not shown in figure), the heat generating component 51 that is arranged in air passage and fan assembly 52 and control piece 53, the heat generating component 51, wind
Thermomechanical components 52, control piece 53 are electrically connected with air conditioner mainboard by circuit.The heater system 5, which further includes, is located at fever group
The air outlet 54 of 51 front end of part and the air intake vent 55 for being located at air passage rear end, on the circuit between control piece 53 and heat generating component 51
Switching device 56 is additionally provided with, control piece 53 controls the opening and closing of switching device 56.
The heat generating component 51 is heating wire, which is equipped with overheat protector and temperature controller, can be to high-power defeated
Go out to be protected.
The fan assembly 52 includes the wind wheel and motor 521 that are successively set on from top to bottom in the air passage, the electricity
Machine 521 is turned on and off by the control of control piece 53, and the wind wheel includes the wind wheel disk being fixed on the output shaft of the motor 521
522 and be vertical at the wind wheel disk 522 both sides and with the wind wheel disk 522 be centrally formed annular array distribution it is several
Piece fan blade 523, motor 521 select capacitance-run motor, and low energy consumption is still efficient, and wind wheel is made to have the wind speed of bigger.
The rotating speed of certain motor 521 can control, and when selecting warm wind automatic defrosting pattern, rotating speed is small, and warm wind wind-force is opposite
It is smaller, convenient for defrost;When selecting blowing defrosting mode, rotating speed is big, and wind speed reaches 3 grades or 3 grades or more, is not easy its frost
It is formed, achievees the purpose that frost prevention.
The system further includes controller, and the controller is equipped with defrosting mode, and it is automatic that the defrosting mode includes warm wind
Defrosting mode and blowing defrosting mode, when client selects automatic defrosting pattern, air-conditioner controller can be automatically according to outdoor environment
Temperature and compressor 1 run and carry out whether comprehensive descision needs to defrost after a certain period of time, when sending automatic defrosting order, control
Part 53 control switching device 56 open, heat generating component 51 is powered and generates heat, and motor 521 works and wind wheel is driven to rotate, cold wind from
Air intake vent 55 passes into after heat generating component 51 exchanges heat and generates high temperature air, you can frost is melted, motor 521 operates at this time
A period of time stops operating after completing defrost, and defrost terminates.When client opens air conditioner heat-production pattern, simultaneous selection blowing removes
White pattern, then when compressor 1 is run, motor 521 carries out high-speed cruising, but control piece 53 controls switching device 56 to close at this time
It closes, heat generating component 51 disconnects electrical connection, and without work of generating heat, wind wheel takes the wind of 3 grades or 3 grades of wind speed or more out of, directly purges
Outdoor heat exchanger 4, makes it be difficult to form frost, achievees the purpose that prevent frosting.
The present invention is provided with heater system by the surface side windward in outdoor heat exchanger, is carried using heater system
The high temperature warm wind of confession makes its air themperature raise and defrost;The blowing defrosting mode without warm wind is still further provided, that is, is existed
When opening air conditioner, selection blowing defrosting mode can directly opposite outdoor heat exchanger persistently dry, make its outdoor heat exchanger by
Frost layer can not be formed in big wind speed, so as to achieve the purpose that prevent frosting.In this process, it is indoor not have to stop heating, it is empty
Adjust device can be steadily in the long term heat, substantially increase comfort.
It is above best mode for carrying out the invention, the simple change and replacement of those ordinary skill in the art are all these
Within the protection domain of invention.
Claims (7)
1. a kind of air-conditioner defrosting control system, including by compressor, four-way valve, indoor heat exchanger, throttling set, outdoor heat exchanger
Be linked in sequence the circulation loop to be formed, it is characterised in that:The side windward of outdoor heat exchanger is provided with heater system, institute
Stating heater system includes air passage, the heat generating component that is arranged in air passage and fan assembly and control piece, the heat generating component,
Fan assembly, control piece are electrically connected with air conditioner mainboard by circuit.
2. a kind of air-conditioner defrosting control system according to claim 1, which is characterized in that the heater system is also wrapped
The air outlet for being located at heat generating component front end and the air intake vent for being located at air passage rear end are included, the circuit between control piece and heat generating component
On be additionally provided with switching device, control piece controls the opening and closing of switching device.
3. a kind of air-conditioner defrosting control system according to claim 1 or 2, which is characterized in that the heat generating component is hair
Heated filament, the heating wire are equipped with overheat protector and temperature controller.
4. a kind of air-conditioner defrosting control system according to claim 1, which is characterized in that the fan assembly is included from upper
The wind wheel and motor being successively set on down in the air passage, the wind wheel include the wind being fixed on the output shaft of the motor
If wheel disc and be vertical at the wind wheel disk both sides and with the wind wheel disk be centrally formed annular array distribution dry plate wind
Leaf.
5. a kind of air-conditioner defrosting control system according to claim 4, which is characterized in that the motor is controlled by control piece
It is turned on and off.
6. a kind of air-conditioner defrosting control system according to claim 1 or 2, which is characterized in that the switching device is closed
When, heat generating component disconnects electrical connection, and the fan assembly is directly from air outlet blowing cold air, and wind speed is up to 3 grades or 3 grades or more.
7. a kind of air-conditioner defrosting control system according to claim 1, which is characterized in that further include controller, the control
Device processed is equipped with defrosting mode, and the defrosting mode includes warm wind automatic defrosting pattern and blowing defrosting mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711422775.8A CN108106288A (en) | 2017-12-25 | 2017-12-25 | A kind of air-conditioner defrosting control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711422775.8A CN108106288A (en) | 2017-12-25 | 2017-12-25 | A kind of air-conditioner defrosting control system |
Publications (1)
Publication Number | Publication Date |
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CN108106288A true CN108106288A (en) | 2018-06-01 |
Family
ID=62212855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711422775.8A Pending CN108106288A (en) | 2017-12-25 | 2017-12-25 | A kind of air-conditioner defrosting control system |
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CN (1) | CN108106288A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110608510A (en) * | 2019-08-21 | 2019-12-24 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit, defrosting device, defrosting control method and defrosting control system |
CN112229059A (en) * | 2020-09-23 | 2021-01-15 | 刘兴华 | Defrosting structure of air pump water heater |
CN112710060A (en) * | 2020-12-29 | 2021-04-27 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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KR20050003761A (en) * | 2003-07-04 | 2005-01-12 | 엘지전자 주식회사 | Heat pump |
CN101523131A (en) * | 2006-11-13 | 2009-09-02 | 大金工业株式会社 | Heat exchanging system |
CN204061313U (en) * | 2014-09-02 | 2014-12-31 | 重庆盈川机械制造有限公司 | Novel air wheel disc |
CN105121973A (en) * | 2013-09-30 | 2015-12-02 | 富士通将军股份有限公司 | Air conditioner |
CN106595151A (en) * | 2016-12-30 | 2017-04-26 | 中原工学院 | Three-stage combined type fast defrosting system of refrigeration device with intelligent control |
-
2017
- 2017-12-25 CN CN201711422775.8A patent/CN108106288A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050003761A (en) * | 2003-07-04 | 2005-01-12 | 엘지전자 주식회사 | Heat pump |
CN101523131A (en) * | 2006-11-13 | 2009-09-02 | 大金工业株式会社 | Heat exchanging system |
CN105121973A (en) * | 2013-09-30 | 2015-12-02 | 富士通将军股份有限公司 | Air conditioner |
CN204061313U (en) * | 2014-09-02 | 2014-12-31 | 重庆盈川机械制造有限公司 | Novel air wheel disc |
CN106595151A (en) * | 2016-12-30 | 2017-04-26 | 中原工学院 | Three-stage combined type fast defrosting system of refrigeration device with intelligent control |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110608510A (en) * | 2019-08-21 | 2019-12-24 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit, defrosting device, defrosting control method and defrosting control system |
CN112229059A (en) * | 2020-09-23 | 2021-01-15 | 刘兴华 | Defrosting structure of air pump water heater |
CN112229059B (en) * | 2020-09-23 | 2021-12-14 | 东莞市菲普斯特节能设备有限公司 | Defrosting structure of air pump water heater |
CN112710060A (en) * | 2020-12-29 | 2021-04-27 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180601 |