CN106403110A - Louver type flexible connection air conditioning system and control method thereof - Google Patents
Louver type flexible connection air conditioning system and control method thereof Download PDFInfo
- Publication number
- CN106403110A CN106403110A CN201610889440.6A CN201610889440A CN106403110A CN 106403110 A CN106403110 A CN 106403110A CN 201610889440 A CN201610889440 A CN 201610889440A CN 106403110 A CN106403110 A CN 106403110A
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- CN
- China
- Prior art keywords
- venetian blind
- blind type
- conditioning system
- air
- evaporimeter
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-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
- F24F5/0007—Air-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
- F24F5/001—Compression cycle type
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Blinds (AREA)
Abstract
The invention discloses a louver type flexible connection air conditioning system and a control method thereof. The air conditioning system comprises a compressor, a condenser and a louver type evaporator. The compressor, the condenser and the louver type evaporator are connected through flexible pipelines to form a circulation loop, wherein the start angle of the louver type evaporator can be rotationally adjusted according to different target space temperatures and environment temperatures. According to the air conditioning system, the evaporator is started at different angles according to different operation modes to meet outside requirements, the system has a self-sealing performance due to the connection characteristic of the flexible pipelines, and the flexible pipelines can be connected in a pluggable mode. Thus, the air conditioning system has the advantages of being simple in structure, wide in application range and flexible to control.
Description
Technical field
The present invention relates to refrigeration air-conditioner field and in particular to venetian blind type flexible connection air-conditioning system and its control
Method.
Background technology
Commonly used being all rigidly connected of existing air-conditioning system, after heat exchanger and system connecting tube are welded to form loop,
It is fixed in frame structure.This kind of system is primarily present problems with：
（1）In running, position immobilizes it is impossible to carry out heat exchange amount and resistance regulation according to extraneous demand heat exchanger,
Impact energy-saving run.
（2）System connects the rigid solder mode being all to adopt and connects, and leak source easily in production, transportation, band
To produce the trouble of time-consuming and mending-leakage.
（3）The places time-consuming many, inflammable and explosive special space and humiture are had high demands are keeped in repair after system malfunctions
Very unfavorable.
Therefore, prior art also needs to improve further and develop.
Content of the invention
The invention aims to a kind of air-conditioning system of venetian blind type flexible connection and its control method are provided it is intended to
Solve energy-saving effect present in prior art poor, manufacture difficulty is big, the problem of inconvenient maintenance, propose venetian blind type flexible connection
Air-conditioning system and its control method.
The air-conditioning system of venetian blind type flexible connection, wherein, including compressor, condenser and venetian blind type evaporimeter, institute
State to connect by flexible duct between compressor, condenser and venetian blind type evaporimeter and form closed circuit, wherein, described blinds
Window evaporimeter can pass through rotation adjustment opening angle according to different object space temperature and environment temperature.
The air-conditioning system of described venetian blind type flexible connection, wherein, described venetian blind type evaporimeter be set to two or
Two or more, each venetian blind type evaporimeter distribution covers the air intake passage of air-conditioning system.
The air-conditioning system of described venetian blind type flexible connection, wherein, the opening angle of described venetian blind type evaporimeter can
Rotation adjustment between 0-90 °.
The air-conditioning system of described venetian blind type flexible connection, wherein, when the opening angle of venetian blind type evaporimeter is 0 °
When, each venetian blind type evaporimeter is arranged and is covered the whole transversal plane of air intake passage, when the opening angle of venetian blind type evaporimeter
When spending for 90 °, each venetian blind type evaporimeter is parallel with air intake direction in air intake passage.
The air-conditioning system of described venetian blind type flexible connection, wherein, connects described condenser and venetian blind type evaporimeter
Flexible duct on be provided with expansion valve.
The air-conditioning system of described venetian blind type flexible connection, wherein, described flexible duct passes through have self sealss performance
Pin and box sub carries out plug with various parts and is connected.
The air-conditioning system of described venetian blind type flexible connection, wherein, described air-conditioning system also includes controller, described control
Device processed is connected with the control of compressor, condenser, venetian blind type evaporimeter and expansion valve respectively.
The air-conditioning system of described venetian blind type flexible connection, wherein, the air intake outside venetian blind type evaporimeter leads to
It is provided with blower fan on road, control between described blower fan and controller and be connected.
A kind of control method of the air-conditioning system of venetian blind type flexible connection as above, wherein, described control method
For:
When object space temperature is more than environment temperature, venetian blind type evaporimeter rotates in the horizontal plane makes venetian blind type evaporimeter
Opening angle is 90 °;
When object space temperature is less than environment temperature, venetian blind type evaporimeter rotates 90 ° in the horizontal plane makes venetian blind type evaporate
Device opening angle is 0 °;
When environment temperature fluctuates in object space temperature certain limit, venetian blind type evaporimeter rotates in the horizontal plane and makes
Between opening angle is 0-90 °.
The control method of the described air-conditioning system of venetian blind type flexible connection, wherein, when environment temperature=object space temperature
When in the range of ± 5 DEG C of degree, venetian blind type evaporimeter rotates in the horizontal plane makes opening angle be between 0-90 °.
Beneficial effect：The present invention provides a kind of air-conditioning system of venetian blind type flexible connection and its control method, this system
Compared with prior art, this technology has the advantage that：
（1）The venetian blind type evaporimeter of air-conditioning system can convert opening angle according to external load situation, thus realizing to system
Heat exchange amount and the regulation of flowing resistance, realize energy-saving run.
（2）The flexible duct grafting adopting between system, substantially increases design and production efficiency, increases slow simultaneously
Punching, greatly reduces risk of leakage.
（3）Air-conditioning system flexible connection characteristic so that it is installed and keep in repair very convenient it is not necessary to accurate size and space
Require.Assembling can be carried out, and need not worry to weld the threat that the spark occurring causes to site safety, thus make the present invention
Air-conditioning system is suitable for place as sensitive to spark in chemical plant, petrochemical plant, oil depot etc. and equipment dependability is had high demands
Place.
Brief description
Fig. 1 is the structural representation of the air-conditioning system of venetian blind type flexible connection in the specific embodiment of the invention.
Specific embodiment
For making the objects, technical solutions and advantages of the present invention clearer, clear and definite, develop simultaneously embodiment pair referring to the drawings
The present invention further describes.
The air-conditioning system of venetian blind type flexible connection as shown in Figure 1, including compressor 100, condenser 200 and shutter
Formula evaporimeter 300, passes through flexible duct 400, swollen between described compressor 100, condenser 200 and venetian blind type evaporimeter 300
Swollen valve 500 connects formation closed circuit, and blower fan 600 is that regulation and control space provides required air quantity.Wherein, described venetian blind type evaporation
Device can pass through rotation adjustment opening angle according to different object space temperature and environment temperature.
In preferred embodiment, described venetian blind type evaporimeter is set to two or more, each venetian blind type evaporimeter
Distribution covers the air intake passage of air-conditioning system, and wherein, the opening angle of described venetian blind type evaporimeter can rotate between 0-90 °
Adjustment.Air-conditioning system of the present invention is according to the different setting plurality of operating modes of object space temperature and environment temperature, venetian blind type
Heat exchanger is turned on and off being associated with operational mode, and changes rotational opening angle under different operational modes.Wherein one is excellent
Select in example, when the opening angle of venetian blind type evaporimeter is 0 °, each venetian blind type evaporimeter is arranged and covered air intake passage
Whole transversal plane, when the opening angle of venetian blind type evaporimeter is 90 °, in each venetian blind type evaporimeter and air intake passage
Air intake direction is parallel.
Further, connect and be provided with expansion valve on described condenser and the flexible duct of venetian blind type evaporimeter.Thus
Realize refrigeration working medium from condenser to the conveying of evaporimeter.
It is preferred that described flexible duct carries out plug even by the pin and box sub having self sealss performance with various parts
Connect.The flexible duct connection adopting between system substantially increases design and production efficiency, and the system that increases is to refrigeration working medium
Buffer capacity, greatly reduces risk of leakage.And quickly connecting of air-conditioning system is then achieved using the pin and box sub that plug connects
Connect installation, reduce system cost of installation and maintenance.
It is preferred that described air-conditioning system also includes controller, described controller respectively with compressor, condenser, blinds
Window evaporimeter and expansion valve control connection.In addition, be located at being provided with blower fan on the air intake passage outside venetian blind type evaporimeter,
Control between described blower fan and controller and be connected.Controller can be according to goal-selling space temperature and environment temperature adjust automatically pressure
Contracting machine operating efficiency, expansion valve opening and closing venetian blind type evaporimeter opening angle and blower fan work efficiency, thus realize air-conditioning system
Automatically adjusted so as to have the characteristics that energy-conservation, high cooling efficiency according to different needs.
In air-conditioning system of the present invention.Refrigeration working medium passes sequentially through compressor, condenser, expansion valve, evaporimeter, finally returns again
To compressor.Pass sequentially through the flexible duct composition closed circuit of pluggable connection between each part, and system is controlling
Device can switch between three operational modes according to different extraneous needs under controlling.Now venetian blind type evaporimeter can be with not
Same operational mode carries out rotational opening angle change.Specifically control method is:
When object space temperature is more than environment temperature, venetian blind type evaporimeter rotates in the horizontal plane makes venetian blind type evaporimeter
Opening angle is 90 °.
When object space temperature is less than environment temperature, venetian blind type evaporimeter rotates 90 ° in the horizontal plane and makes venetian blind type
Evaporimeter opening angle is 0 °.
When environment temperature fluctuates in object space temperature certain limit（Environment temperature=object space temperature ± 5 DEG C model
Enclose）, venetian blind type evaporimeter rotates in the horizontal plane makes opening angle be between 0-90 °.
It is as follows that control process implements scene：
（1）In the winter time, outdoor environment is relatively low, and object space temperature is more than environment temperature（T0＞ Te）, it is cold that Regulate Environment needs
Amount is less, and unit can be by control system by pattern switching to complete air vent mode, and venetian blind type evaporimeter revolves in the horizontal plane
Turn 90 °, extraneous natural wind can flow through from shutter gap, reduce flow resistance to greatest extent.Thus utilizing to greatest extent
Natural airflow kinetic force, reduces system energy consumption.
（2）In summer, object space temperature is less than environment temperature（T0＜ Te）, outdoor environment temperature is than needed for object space
When temperature is high, when the cold needed for space is larger, unit must pass through controller by pattern switching to complete mechanical refrigeration mode,
Venetian blind type evaporimeter remains off, and the angle with horizontal plane is 0 °, extraneous hot blast before entering space with shutter
Formula evaporimeter completely attaches to, and passes through blower fan after aerial temperature and humidity process is qualified again（e）Send into the space being adjusted.Now shutter
Formula evaporimeter has highest refrigerating efficiency, due to having the contact area of maximum with air in air intake passage, thus makes system
It is in highest heat exchange level, heat exchange efficiency highest.
（3）In transition season, when environment temperature fluctuates in object space temperature certain limit（T0≈Te±5℃）, unit
Mixed mode is switched to by controller, venetian blind type evaporimeter certain angle can be opened between 0 °～90 °, both enabled
Energy-saving run, can reduce fan resistance again to greatest extent.
Based on examples detailed above, the air-conditioning system of the present invention can realize the automatic control based on environment for the system by controller
System.First, system obtains current environmental temperature by peripheral hardware temperature detection device, by this data and goal-selling space temperature phase
Relatively, when current environmental temperature is less than object space temperature, and both temperature difference are more than 5 DEG C, then controller controls venetian blind type to steam
Send out device to rotate 90 ° in the horizontal plane, when current environmental temperature is more than object space temperature, and both temperature difference are more than 5 DEG C, then control
It is 0 ° with the angle of horizontal plane that device controls venetian blind type evaporimeter, when current environmental temperature is object space temperature ± 5 DEG C scope
Interior, calculate both temperature difference and call default opening angle compare table search with the temperature difference corresponding to opening angle, controller root
Opening angle controls the rotation of venetian blind type evaporimeter accordingly.
In sum, the venetian blind type evaporimeter of air-conditioning system can be according to external load situation in refrigeration mode, ventilation mould
Convert opening angle between formula, adjust heat exchange amount and flowing resistance.
In addition, whichsoever damaging occurs in part critical component in system circulation, existed by pluggable flexible duct
It is replaced in shortest time, maintenance maintenance is convenient, improve the reliability of system.
The venetian blind type evaporimeter of flexible connection is installed and maintenance is very convenient it is not necessary to accurate size and space will
Ask.Assembling can be carried out, without the threat worrying that the spark that welding occurs causes to site safety, such as chemical plant, petrochemical industry
The place sensitive to spark such as factory, oil depot and the place that equipment dependability is had high demands.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Shield scope.
Claims (9)
1. venetian blind type flexible connection air-conditioning system, including compressor, condenser and venetian blind type evaporimeter it is characterised in that
Connected by flexible duct between described compressor, condenser and venetian blind type evaporimeter and form closed circuit, wherein, described hundred
Leaf window evaporimeter can pass through rotation adjustment opening angle according to different object space temperature and environment temperature.
2. the air-conditioning system of venetian blind type flexible connection according to claim 1 is it is characterised in that described venetian blind type steams
Send out device and be set to two or more, each venetian blind type evaporimeter distribution covers the air intake passage of air-conditioning system.
3. the air-conditioning system of venetian blind type flexible connection according to claim 2 is it is characterised in that described venetian blind type steams
The opening angle sending out device can rotate adjustment between 0-90 °.
4. the air-conditioning system of venetian blind type flexible connection according to claim 3 is it is characterised in that work as venetian blind type evaporation
When the opening angle of device is 0 °, each venetian blind type evaporimeter is arranged and is covered the whole transversal plane of air intake passage, works as shutter
When the opening angle of formula evaporimeter is 90 °, each venetian blind type evaporimeter is parallel with air intake direction in air intake passage.
5. the air-conditioning system of venetian blind type flexible connection according to claim 1 is it is characterised in that connect described condenser
It is provided with expansion valve with the flexible duct of venetian blind type evaporimeter.
6. the air-conditioning system of venetian blind type flexible connection according to claim 1 is it is characterised in that described flexible duct leads to
Cross the pin and box sub of tool self sealss performance and various parts carry out plug and are connected.
7. venetian blind type according to claim 5 flexible connection air-conditioning system it is characterised in that described air-conditioning system also
Including controller, described controller is connected with the control of compressor, condenser, venetian blind type evaporimeter and expansion valve respectively.
8. the air-conditioning system of venetian blind type flexible connection according to claim 7 is steamed it is characterised in that being located at venetian blind type
Send out and be provided with blower fan on the air intake passage outside device, control between described blower fan and controller and be connected.
9. the control method of the air-conditioning system of venetian blind type flexible connection as described in a kind of any one as claim 1-8, it is special
Levy and be, described control method is:
When object space temperature is more than environment temperature, venetian blind type evaporimeter rotates in the horizontal plane makes venetian blind type evaporimeter
Opening angle is 90 °;
When object space temperature is less than environment temperature, venetian blind type evaporimeter rotates 90 ° in the horizontal plane makes venetian blind type evaporate
Device opening angle is 0 °;
When environment temperature fluctuates in object space temperature certain limit, venetian blind type evaporimeter rotates in the horizontal plane and makes
Between opening angle is 0-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610889440.6A CN106403110A (en) | 2016-10-12 | 2016-10-12 | Louver type flexible connection air conditioning system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610889440.6A CN106403110A (en) | 2016-10-12 | 2016-10-12 | Louver type flexible connection air conditioning system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403110A true CN106403110A (en) | 2017-02-15 |
Family
ID=59229265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610889440.6A Pending CN106403110A (en) | 2016-10-12 | 2016-10-12 | Louver type flexible connection air conditioning system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403110A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006935A (en) * | 2017-11-24 | 2018-05-08 | 青岛海尔空调电子有限公司 | Air conditioner and its control method |
| CN110617701A (en) * | 2019-10-24 | 2019-12-27 | 山东桑瑞斯新能源股份有限公司 | Drying system |
| CN113566312A (en) * | 2021-07-27 | 2021-10-29 | 珠海格力电器股份有限公司 | Heat exchange equipment, air conditioner and air volume control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3141699A1 (en) * | 1980-10-27 | 1982-06-24 | Aktiebolaget Svenska Fläktfabriken, 13134 Nacka | METHOD FOR REGULATING THE COOLING OF AN OUTDOOR VAPOR CONDENSER AND DEVICE FOR CARRYING OUT THIS METHOD |
| CN1122436A (en) * | 1993-12-31 | 1996-05-15 | 李克欣 | Refrigerating (heating) apparatus |
| KR20000028591A (en) * | 1998-10-01 | 2000-05-25 | 대니엘 에프. 홉 | Compact air conditioner |
| CN1461922A (en) * | 2002-05-31 | 2003-12-17 | 乐金电子(天津)电器有限公司 | Joining device for refrigerant flexible pip of air conditioner system |
| CN101738019A (en) * | 2008-11-14 | 2010-06-16 | 乐金电子(天津)电器有限公司 | Connecting structure of refrigerant tube |
| CN105509199A (en) * | 2016-01-20 | 2016-04-20 | 广东申菱环境系统股份有限公司 | Multi-split type air conditioning unit for subway station and control method of air conditioning unit |
-
2016
- 2016-10-12 CN CN201610889440.6A patent/CN106403110A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3141699A1 (en) * | 1980-10-27 | 1982-06-24 | Aktiebolaget Svenska Fläktfabriken, 13134 Nacka | METHOD FOR REGULATING THE COOLING OF AN OUTDOOR VAPOR CONDENSER AND DEVICE FOR CARRYING OUT THIS METHOD |
| CN1122436A (en) * | 1993-12-31 | 1996-05-15 | 李克欣 | Refrigerating (heating) apparatus |
| KR20000028591A (en) * | 1998-10-01 | 2000-05-25 | 대니엘 에프. 홉 | Compact air conditioner |
| CN1461922A (en) * | 2002-05-31 | 2003-12-17 | 乐金电子(天津)电器有限公司 | Joining device for refrigerant flexible pip of air conditioner system |
| CN101738019A (en) * | 2008-11-14 | 2010-06-16 | 乐金电子(天津)电器有限公司 | Connecting structure of refrigerant tube |
| CN105509199A (en) * | 2016-01-20 | 2016-04-20 | 广东申菱环境系统股份有限公司 | Multi-split type air conditioning unit for subway station and control method of air conditioning unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006935A (en) * | 2017-11-24 | 2018-05-08 | 青岛海尔空调电子有限公司 | Air conditioner and its control method |
| CN108006935B (en) * | 2017-11-24 | 2021-05-25 | 青岛海尔空调电子有限公司 | Air conditioner and control method thereof |
| CN110617701A (en) * | 2019-10-24 | 2019-12-27 | 山东桑瑞斯新能源股份有限公司 | Drying system |
| CN113566312A (en) * | 2021-07-27 | 2021-10-29 | 珠海格力电器股份有限公司 | Heat exchange equipment, air conditioner and air volume control method and device |
| CN113566312B (en) * | 2021-07-27 | 2024-12-31 | 珠海格力电器股份有限公司 | Heat exchange equipment, air conditioner, air volume control method and device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |