CN110657489A - Improved dehumidification reheating system and control method thereof - Google Patents
Improved dehumidification reheating system and control method thereof Download PDFInfo
- Publication number
- CN110657489A CN110657489A CN201911020334.4A CN201911020334A CN110657489A CN 110657489 A CN110657489 A CN 110657489A CN 201911020334 A CN201911020334 A CN 201911020334A CN 110657489 A CN110657489 A CN 110657489A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- dehumidification
- reheating
- turning
- expansion valve
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
-
- 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
Abstract
The invention relates to a dehumidification reheating system, which comprises an outdoor unit and an indoor unit; the outdoor unit is connected with the indoor unit through a liquid pipe and an air pipe; the outdoor unit comprises a compressor, an oil separator, a four-way valve, an outdoor unit heat exchanger, an outdoor unit electronic expansion valve and a gas-liquid separator; the indoor unit comprises a reheating heat exchanger and a dehumidifying heat exchanger which are connected in series; the reheating heat exchanger is close to an air outlet of the indoor unit; the dehumidification heat exchanger is close to an air return inlet of the indoor unit; the reheating heat exchanger is connected with the liquid pipe; the dehumidification heat exchanger is connected with the air pipe; a dehumidification electronic expansion valve is arranged between the reheating heat exchanger and the dehumidification heat exchanger; and a reheating electronic expansion valve is arranged at the connecting end of the reheating heat exchanger and the liquid pipe. The invention has reasonable design, clear logic and convenient control, can effectively realize the dehumidification and the adjustment of the outlet air temperature, greatly improves the use comfort and is beneficial to popularization.
Description
Technical Field
The invention relates to an air conditioning system, in particular to a dehumidification and reheating system, and specifically relates to an improved dehumidification and reheating system and a control method thereof.
Background
With the increasing popularization of air conditioners, different users often have different requirements on the air outlet temperature of the internal unit under different climatic conditions. For example, in the rainy season in the south, although the indoor temperature is not high, the ambient humidity is high, and in this case, the humidity is often reduced by dehumidification by an air conditioner. However, when a conventional air conditioning system dehumidifies, the outlet air temperature of the indoor unit of the conventional air conditioning system is often low, which results in poor comfort in use. Accordingly, there is a need for improvements in the art that improve comfort of use.
Disclosure of Invention
The invention aims to provide an improved dehumidification reheating system and a control method thereof aiming at the defects of the prior art, which can effectively solve the problem that the outlet air temperature is difficult to adjust during dehumidification and improve the use comfort.
The technical scheme of the invention is as follows:
an improved dehumidification reheating system comprises an outdoor unit and an indoor unit; the outdoor unit is connected with the indoor unit through a liquid pipe and an air pipe; the outdoor unit comprises a compressor, an oil separator, a four-way valve, an outdoor unit heat exchanger, an outdoor unit electronic expansion valve and a gas-liquid separator; the indoor unit comprises a reheating heat exchanger and a dehumidifying heat exchanger which are connected in series; the reheating heat exchanger is close to an air outlet of the indoor unit; the dehumidification heat exchanger is close to an air return inlet of the indoor unit; the reheating heat exchanger is connected with the liquid pipe; the dehumidification heat exchanger is connected with the air pipe; a dehumidification electronic expansion valve is arranged between the reheating heat exchanger and the dehumidification heat exchanger; and a reheating electronic expansion valve is arranged at the connecting end of the reheating heat exchanger and the liquid pipe.
Further, the outdoor unit further comprises an outdoor unit fan which is positioned beside the outdoor unit heat exchanger; the outer fan is a multi-gear adjustable fan.
Furthermore, the indoor unit further comprises an indoor unit fan which is positioned beside the dehumidifying heat exchanger.
Furthermore, an air outlet and an air return inlet of the indoor unit are respectively provided with an air outlet temperature sensor and an air return temperature sensor; a dehumidification disc inlet sensor and a dehumidification disc outlet sensor are respectively arranged at two ends of the dehumidification heat exchanger; and a reheating middle sensor is arranged in the middle of the reheating heat exchanger.
A control method of the dehumidification-reheat system of claim 1, comprising the steps of:
1) the air outlet temperature T1 is detected by an air outlet temperature sensor, and the return air temperature T2 is detected by a return air temperature sensor;
2) if T1 is more than T2, turning to the step 3), and otherwise, turning to the step 4);
3) closing the reheat electronic expansion valve; then, go to step 7);
4) detecting the temperature T3 of the middle part of the reheating heat exchanger through a reheating middle sensor;
5) if T3 is more than T2+5 ℃, turning to the step 3); otherwise, turning to step 6);
6) opening a large reheating electronic expansion valve; then, go to step 7);
7) detecting the tray inlet temperature T4 and the tray outlet temperature T5 of the dehumidifying heat exchanger through a dehumidifying tray inlet sensor and a dehumidifying tray outlet sensor respectively;
8) if T5 is more than T4, turning to step 9); otherwise, turning to step 11);
9) if T5 is more than T4+3 ℃, turning to the step 10), otherwise, turning to the step 14);
10) opening a large dehumidification electronic expansion valve, and then turning to the step 9);
11) detecting whether the electronic dehumidification expansion valve is closed to the minimum; if yes, turning to step 12), otherwise, turning to step 13);
12) reducing the rotating speed of the fan of the first-gear outdoor unit, and then returning to the step 8);
13) closing the electronic dehumidification expansion valve, and turning to the step 8);
14) and the control is finished. .
Further, the maximum opening degree of each electronic expansion valve was 400 ~ 480 steps, and the minimum opening degree was 50 ~ 70 steps, which was 2 ~ 8 steps for each operation.
Further, the control method is periodically operated, and the period is 1 minute.
The invention has the beneficial effects that:
the invention has reasonable design, clear logic and convenient control, can effectively realize the dehumidification and the adjustment of the outlet air temperature, greatly improves the use comfort and is beneficial to popularization.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention.
Wherein: 1-a compressor; 2-an oil separator; 3-a four-way valve; 4-an external machine heat exchanger; 5-an external fan; 6-an external machine electronic expansion valve; 7-liquid pipe stop valve; 8-reheat electronic expansion valve; 9-a reheat heat exchanger; 10-dehumidification electronic expansion valve; 11-a dehumidifying heat exchanger; 12-a gas pipe stop valve; 13-a gas-liquid separator; 14-an internal fan; 15-an air outlet temperature sensor; 16-a dehumidification approach sensor; 17-a dehumidified out-of-tray sensor; 18-return air temperature and humidity sensor; 19-reheat center sensor.
Detailed Description
The invention is further described below with reference to the figures and examples.
An improved dehumidification reheating system comprises an outdoor unit and an indoor unit. The outdoor unit and the indoor unit are connected through a liquid pipe and an air pipe, and a liquid pipe stop valve 7 and an air pipe stop valve 12 are respectively arranged on the liquid pipe and the air pipe. The outdoor unit comprises a compressor 1, an oil separator 2, a four-way valve 3, an outdoor unit heat exchanger 4, an outdoor unit electronic expansion valve 6 and a gas-liquid separator 13. Wherein, the exhaust port and the suction port of the compressor 1 are respectively connected with the four-way valve 3 and the gas-liquid separator 13. And the other three ports of the four-way valve 3 are respectively connected with the external machine heat exchanger 4, the gas-liquid separator 13 and the gas pipe stop valve 12. And the outer machine heat exchanger 4 is connected to a liquid pipe stop valve 7 after passing through an outer machine electronic expansion valve 6.
The indoor unit comprises a reheating heat exchanger 9 and a dehumidifying heat exchanger 11 which are connected in series. The reheating heat exchanger 9 is close to an air outlet of the indoor unit; the dehumidifying heat exchanger 11 is close to the return air inlet of the indoor unit. The reheating heat exchanger 9 is connected with the liquid pipe; the dehumidifying heat exchanger 11 is connected with the air pipe. A dehumidification electronic expansion valve 10 is arranged between the reheating heat exchanger 9 and the dehumidification heat exchanger 11; and a reheating electronic expansion valve 8 is arranged at the connecting end of the reheating heat exchanger 9 and the liquid pipe.
The outdoor unit also comprises an outdoor unit fan 5 which is positioned beside the outdoor unit heat exchanger 4; the external machine fan 5 is a multi-gear adjustable fan, and can adjust the heat exchange efficiency of the external machine heat exchanger 4.
The indoor unit further comprises an indoor unit fan 14 which is located beside the dehumidifying heat exchanger 11, so that indoor air can successively pass through the dehumidifying heat exchanger 11 and the reheating heat exchanger 9 to be dehumidified and heated, and comfortable air outlet temperature can be obtained.
And an air outlet and an air return inlet of the indoor unit are respectively provided with an air outlet temperature sensor 15 and an air return temperature sensor 18. And a dehumidification incoming disc sensor 16 and a dehumidification outgoing disc sensor 17 are respectively arranged at two ends of the dehumidification heat exchanger 11. And a reheating middle sensor 19 is arranged in the middle of the reheating heat exchanger 9. Each sensor can detect the temperature of the relevant position and provide relevant information for control.
When the dehumidification and reheating system operates in the dehumidification and reheating mode, the outer machine leads the refrigerant into the reheating heat exchanger and the dehumidification heat exchanger of the inner machine in sequence and adjusts the reheating heat exchanger and the dehumidification heat exchanger sequentially through the reheating electronic expansion valve and the dehumidification electronic expansion valve, so that the temperature of the dehumidification section is low, the air can be dehumidified conveniently, the temperature of the reheating section is high, the dehumidified air can be heated conveniently, the air outlet temperature is adjusted, and the air outlet comfort level is improved.
The invention discloses a control method of an improved dehumidification reheating system, which comprises the following steps:
1) the air outlet temperature T1 is detected by an air outlet temperature sensor, and the return air temperature T2 is detected by a return air temperature sensor;
2) if T1 is more than T2, turning to the step 3), and otherwise, turning to the step 4);
3) closing the reheat electronic expansion valve; then, go to step 7);
4) detecting the temperature T3 of the middle part of the reheating heat exchanger through a reheating middle sensor;
5) if T3 is more than T2+5 ℃, turning to the step 3); otherwise, turning to step 6);
6) opening a large reheating electronic expansion valve; then, go to step 7);
7) detecting the tray inlet temperature T4 and the tray outlet temperature T5 of the dehumidifying heat exchanger through a dehumidifying tray inlet sensor and a dehumidifying tray outlet sensor respectively;
8) if T5 is more than T4, turning to step 9); otherwise, turning to step 11);
9) if T5 is more than T4+3 ℃, turning to the step 10), otherwise, turning to the step 14);
10) opening a large dehumidification electronic expansion valve, and then turning to the step 9);
11) detecting whether the electronic dehumidification expansion valve is closed to the minimum; if yes, turning to step 12), otherwise, turning to step 13);
12) reducing the rotating speed of the fan of the first-gear outdoor unit, and then returning to the step 8);
13) closing the electronic dehumidification expansion valve, and turning to the step 8);
14) and the control is finished.
In the control method, the maximum opening degree of each electronic expansion valve is 400 ~ 480 steps, the minimum opening degree is 50 ~ 70 steps, and each action is 2 ~ 8 steps, preferably, the maximum opening degree is 440 steps, the minimum opening degree is 60 steps, and each action can be 4 steps.
The control method is periodically operated, and the period is 1 minute.
The invention can automatically control the outlet air temperature to the temperature which is most suitable for human body to feel, greatly improves the adjusting range and improves the comfort of the air conditioner. Moreover, the method is also suitable for the conventional common multi-split system, so that the selectivity of a user to an internal machine is improved, and the installation cost of the user is reduced.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (7)
1. An improved dehumidification reheating system comprises an outdoor unit and an indoor unit; the outdoor unit is connected with the indoor unit through a liquid pipe and an air pipe; the method is characterized in that: the outdoor unit comprises a compressor, an oil separator, a four-way valve, an outdoor unit heat exchanger, an outdoor unit electronic expansion valve and a gas-liquid separator; the indoor unit comprises a reheating heat exchanger and a dehumidifying heat exchanger which are connected in series; the reheating heat exchanger is close to an air outlet of the indoor unit; the dehumidification heat exchanger is close to an air return inlet of the indoor unit; the reheating heat exchanger is connected with the liquid pipe; the dehumidification heat exchanger is connected with the air pipe; a dehumidification electronic expansion valve is arranged between the reheating heat exchanger and the dehumidification heat exchanger; and a reheating electronic expansion valve is arranged at the connecting end of the reheating heat exchanger and the liquid pipe.
2. The improved dehumidification reheat system of claim 1, wherein: the outdoor unit also comprises an outdoor unit fan which is positioned beside the outdoor unit heat exchanger; the outer fan is a multi-gear adjustable fan.
3. The improved dehumidification reheat system of claim 1, wherein: the indoor unit further comprises an indoor unit fan which is located beside the dehumidifying heat exchanger.
4. The improved dehumidification reheat system of claim 1, wherein: an air outlet and an air return inlet of the indoor unit are respectively provided with an air outlet temperature sensor and an air return temperature sensor; a dehumidification disc inlet sensor and a dehumidification disc outlet sensor are respectively arranged at two ends of the dehumidification heat exchanger; and a reheating middle sensor is arranged in the middle of the reheating heat exchanger.
5. A method of controlling an improved dehumidification reheat system as set forth in claim 1, wherein: the control method comprises the following steps:
1) the air outlet temperature T1 is detected by an air outlet temperature sensor, and the return air temperature T2 is detected by a return air temperature sensor;
2) if T1 is more than T2, turning to the step 3), and otherwise, turning to the step 4);
3) closing the reheat electronic expansion valve; then, go to step 7);
4) detecting the temperature T3 of the middle part of the reheating heat exchanger through a reheating middle sensor;
5) if T3 is more than T2+5 ℃, turning to the step 3); otherwise, turning to step 6);
6) opening a large reheating electronic expansion valve; then, go to step 7);
7) detecting the tray inlet temperature T4 and the tray outlet temperature T5 of the dehumidifying heat exchanger through a dehumidifying tray inlet sensor and a dehumidifying tray outlet sensor respectively;
8) if T5 is more than T4, turning to step 9); otherwise, turning to step 11);
9) if T5 is more than T4+3 ℃, turning to the step 10), otherwise, turning to the step 14);
10) opening a large dehumidification electronic expansion valve, and then turning to the step 9);
11) detecting whether the electronic dehumidification expansion valve is closed to the minimum; if yes, turning to step 12), otherwise, turning to step 13);
12) reducing the rotating speed of the fan of the first-gear outdoor unit, and then returning to the step 8);
13) closing the electronic dehumidification expansion valve, and turning to the step 8);
14) and the control is finished.
6. The improved dehumidification and reheat system as claimed in claim 5, wherein the maximum opening degree of each electronic expansion valve is 400 ~ 480 steps, the minimum opening degree is 50 ~ 70 steps, and each operation is 2 ~ 8 steps.
7. The improved dehumidification reheat system control method as set forth in claim 5, wherein: the control method is periodically operated, and the period is 1 minute.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020334.4A CN110657489B (en) | 2019-10-25 | 2019-10-25 | Improved dehumidification reheating system and control method thereof |
| PCT/CN2020/092103 WO2021077733A1 (en) | 2019-10-25 | 2020-05-25 | Improved dehumidification and reheating system and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020334.4A CN110657489B (en) | 2019-10-25 | 2019-10-25 | Improved dehumidification reheating system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110657489A true CN110657489A (en) | 2020-01-07 |
| CN110657489B CN110657489B (en) | 2021-04-13 |
Family
ID=69041681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911020334.4A Active CN110657489B (en) | 2019-10-25 | 2019-10-25 | Improved dehumidification reheating system and control method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110657489B (en) |
| WO (1) | WO2021077733A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503737A (en) * | 2020-05-08 | 2020-08-07 | 广东美的制冷设备有限公司 | Air conditioner, operation control method, and computer-readable storage medium |
| CN111811035A (en) * | 2020-07-22 | 2020-10-23 | 南京天加环境科技有限公司 | Dehumidification and reheating unit type air conditioning system and control method thereof |
| WO2021077733A1 (en) * | 2019-10-25 | 2021-04-29 | 南京天加环境科技有限公司 | Improved dehumidification and reheating system and control method therefor |
| CN113587352A (en) * | 2021-08-12 | 2021-11-02 | 广东积微科技有限公司 | Constant-temperature dehumidification type air conditioner and control method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105440A (en) * | 1994-01-10 | 1995-07-19 | 三菱重工业株式会社 | Air conditioner |
| CN1119261A (en) * | 1994-06-02 | 1996-03-27 | Lg电子株式会社 | Dewaterring apparatus and method of air conditioner |
| JP2005207719A (en) * | 2003-12-24 | 2005-08-04 | Samsung Electronics Co Ltd | Air conditioner |
| CN102927715A (en) * | 2012-10-31 | 2013-02-13 | 青岛海信日立空调系统有限公司 | Multiple-on-line heat pump air-conditioning system and method for controlling multiple-on-line heat pump air-conditioning system |
| CN105115181A (en) * | 2015-07-21 | 2015-12-02 | 上海日立电器有限公司 | Air conditioning system |
| CN106918125A (en) * | 2015-12-24 | 2017-07-04 | 珠海格力电器股份有限公司 | Machine leaving air temp control method in a kind of reheat dehumidification system |
| CN108036472A (en) * | 2017-11-29 | 2018-05-15 | 青岛海信日立空调系统有限公司 | Dehumidifying control system for air conditioner and air conditioner |
| CN108895567A (en) * | 2018-03-21 | 2018-11-27 | 青岛海信日立空调系统有限公司 | Outdoor unit, multi-line system and control method, device, computer storage medium |
| CN109386887A (en) * | 2014-02-21 | 2019-02-26 | 大金工业株式会社 | Air-conditioning device |
| CN109631168A (en) * | 2019-02-19 | 2019-04-16 | 南京天加环境科技有限公司 | A kind of air conditioner indoor unit that can improve indoor humidity environment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10185351A (en) * | 1996-12-24 | 1998-07-14 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| JP4063465B2 (en) * | 2000-01-13 | 2008-03-19 | 三菱電機株式会社 | Air conditioner and multi-type air conditioner |
| CN105526672B (en) * | 2015-12-11 | 2018-12-18 | 珠海格力电器股份有限公司 | A kind of reheat dehumidification system temperature/humidity control method |
| CN105588281B (en) * | 2015-12-25 | 2018-09-18 | 珠海格力电器股份有限公司 | Heat pattern owes fluorine control method again for a kind of reheat dehumidification multi-line system |
| CN110345659A (en) * | 2019-07-29 | 2019-10-18 | 珠海格力电器股份有限公司 | A kind of reheat dehumidification integration system cooling system and control method |
| CN110657489B (en) * | 2019-10-25 | 2021-04-13 | 南京天加环境科技有限公司 | Improved dehumidification reheating system and control method thereof |
-
2019
- 2019-10-25 CN CN201911020334.4A patent/CN110657489B/en active Active
-
2020
- 2020-05-25 WO PCT/CN2020/092103 patent/WO2021077733A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1105440A (en) * | 1994-01-10 | 1995-07-19 | 三菱重工业株式会社 | Air conditioner |
| CN1119261A (en) * | 1994-06-02 | 1996-03-27 | Lg电子株式会社 | Dewaterring apparatus and method of air conditioner |
| JP2005207719A (en) * | 2003-12-24 | 2005-08-04 | Samsung Electronics Co Ltd | Air conditioner |
| CN102927715A (en) * | 2012-10-31 | 2013-02-13 | 青岛海信日立空调系统有限公司 | Multiple-on-line heat pump air-conditioning system and method for controlling multiple-on-line heat pump air-conditioning system |
| CN109386887A (en) * | 2014-02-21 | 2019-02-26 | 大金工业株式会社 | Air-conditioning device |
| CN105115181A (en) * | 2015-07-21 | 2015-12-02 | 上海日立电器有限公司 | Air conditioning system |
| CN106918125A (en) * | 2015-12-24 | 2017-07-04 | 珠海格力电器股份有限公司 | Machine leaving air temp control method in a kind of reheat dehumidification system |
| CN108036472A (en) * | 2017-11-29 | 2018-05-15 | 青岛海信日立空调系统有限公司 | Dehumidifying control system for air conditioner and air conditioner |
| CN108895567A (en) * | 2018-03-21 | 2018-11-27 | 青岛海信日立空调系统有限公司 | Outdoor unit, multi-line system and control method, device, computer storage medium |
| CN109631168A (en) * | 2019-02-19 | 2019-04-16 | 南京天加环境科技有限公司 | A kind of air conditioner indoor unit that can improve indoor humidity environment |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077733A1 (en) * | 2019-10-25 | 2021-04-29 | 南京天加环境科技有限公司 | Improved dehumidification and reheating system and control method therefor |
| CN111503737A (en) * | 2020-05-08 | 2020-08-07 | 广东美的制冷设备有限公司 | Air conditioner, operation control method, and computer-readable storage medium |
| CN111503737B (en) * | 2020-05-08 | 2021-06-15 | 广东美的制冷设备有限公司 | Air conditioner, operation control method, and computer-readable storage medium |
| CN111811035A (en) * | 2020-07-22 | 2020-10-23 | 南京天加环境科技有限公司 | Dehumidification and reheating unit type air conditioning system and control method thereof |
| CN113587352A (en) * | 2021-08-12 | 2021-11-02 | 广东积微科技有限公司 | Constant-temperature dehumidification type air conditioner and control method thereof |
| CN113587352B (en) * | 2021-08-12 | 2022-08-05 | 广东积微科技有限公司 | Constant-temperature dehumidification type air conditioner and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110657489B (en) | 2021-04-13 |
| WO2021077733A1 (en) | 2021-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110657489B (en) | Improved dehumidification reheating system and control method thereof | |
| CN110645636B (en) | Fresh air conditioner and control method thereof | |
| CN105526672B (en) | A kind of reheat dehumidification system temperature/humidity control method | |
| CN109959076B (en) | Room temperature control ventilation system and control method thereof | |
| EP2000756A3 (en) | Air conditioning apparatus | |
| CN111306646B (en) | Control method of fresh air conditioner | |
| CN105352042A (en) | Air conditioner indoor unit and air conditioner | |
| CN108679747B (en) | Fresh air dehumidifying air conditioning system | |
| WO2016074482A1 (en) | Experimental device for hingedly-connected system of passenger car, and control method therefor | |
| CN109000312B (en) | Integral heat pump heat recovery type fresh air dehumidifier with internal circulation mode | |
| WO2010015123A1 (en) | Constant temperature dehumidifying air-conditioner | |
| CN210374155U (en) | Reheating and dehumidifying integrated refrigerating system | |
| CN111365773A (en) | Terminal device of temperature and humidity independent control air conditioning system and control method thereof | |
| CN106403143B (en) | Temperature and humidity independent processing air conditioning system and control method thereof | |
| CN102425840B (en) | Automatic heat removing energy-saving control system of base station | |
| CN216347679U (en) | Heat pump drying equipment | |
| CN108518769B (en) | Multifunctional fresh air handling unit | |
| CN208475494U (en) | A kind of fresh air dehumidifier | |
| CN207570070U (en) | A kind of fresh air conditioner all-in-one machine | |
| CN211822852U (en) | Fresh air dehumidifying unit | |
| CN214468973U (en) | All-air integrated air conditioner | |
| CN210801397U (en) | Fresh air conditioner | |
| CN111043793B (en) | Double fresh air and double exhaust multifunctional swimming pool heat pump air conditioning unit | |
| CN211011673U (en) | Two-stage cooling and dehumidifying device | |
| CN210892241U (en) | Air conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |