CN110657500A - Air conditioner with automatic humidifying function and control method - Google Patents
Air conditioner with automatic humidifying function and control method Download PDFInfo
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- CN110657500A CN110657500A CN201910988632.6A CN201910988632A CN110657500A CN 110657500 A CN110657500 A CN 110657500A CN 201910988632 A CN201910988632 A CN 201910988632A CN 110657500 A CN110657500 A CN 110657500A
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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
- 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
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
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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
- 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
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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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
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner with an automatic humidifying function and a control method, comprising the following steps: the air conditioner comprises a water receiving disc, a water tank and a water outlet pipe, wherein the water receiving disc can be used for receiving condensed water generated by the air conditioner, the water tank is communicated with the water receiving disc, one end of the water outlet pipe is communicated with the water tank, and the other end of the water outlet pipe can convey water into a room for humidification; and the water outlet pipe is also provided with a flow regulating valve, the flow regulating valve is controlled by the PID controller to regulate the flow and open or close, the water outlet pipe also comprises a humidity sensor and a humidity sensor which can detect the indoor humidity, the humidity sensor is electrically connected with the PID controller, and the PID controller controls and regulates the opening size, the opening or the closing of the flow regulating valve according to the indoor humidity detected by the humidity sensor. The invention improves the capability of detecting and controlling the indoor humidity, effectively controls the indoor humidity to meet the requirement of comfort level while cooling the indoor air, and effectively improves the comfort level.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner with an automatic humidifying function and a control method.
Background
During cooling/heating, because the doors and windows of the air-conditioning room are in a closed state, and because the moisture in the air is gradually discharged in the form of condensed water, the indoor space is more and more dry; the air humidity of the air-conditioned room is about 35% to 50%, and the human body feels a suitable air humidity of about 55% to 75%, so that the human body feels dry and uncomfortable. At present, the problem of drying in an air-conditioned room is generally solved by placing a basin of water in the air-conditioned room, opening a humidifier and incompletely closing doors and windows, but the methods have certain defects, and the risk of splashing water is also caused when the basin of water is placed in the room, which is not beautiful; the power consumption can be increased by opening one humidifier, which is not economical; the power consumption is increased by not completely closing the door and window. Meanwhile, at present, the condensed water is in an open water receiving tray (groove), so that mildew is easily bred in the water receiving tray (groove), and the air supply quality is reduced. Therefore, how to improve the comfort level in the air-conditioned room and recover the condensed water is a problem which is continuously solved in the industry at present. Air conditioner refrigeration/heating is often accompanied with dehumidification effect, and present domestic air conditioner does not basically have the new trend function, and the room door and window is all in the state of tightly closing in order to save energy consumption when the air conditioner operation. Thus, as the air conditioner dehumidifies, the room becomes drier, and the discomfort of the human body becomes stronger. How to avoid the indoor drying caused by the relative humidity in the dehumidification process is an urgent problem to be solved by the research institute at present. The air conditioner can produce condensed water while refrigerating, mold is easy to grow in the condensed water in the water receiving tray, and the air blowing risk exists when the air speed is high, so that the air blowing quality is affected.
Because the domestic air conditioner in the prior art is accompanied by dehumidification in the refrigeration process, the indoor drying is more and more, the humidity control precision is not accurate, the comfort level is poorer, the condensed water produced by the air conditioner is easy to breed mould in the water receiving tray, and the air conditioner has the technical problems of water blowing risk, influence on air supply quality and the like when the air speed is higher, the air conditioner with the automatic humidification function and the control method are researched and designed.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects that the domestic air conditioner in the prior art is increasingly dry in the room and the humidity control accuracy is not accurate due to dehumidification in the refrigeration process, so as to provide an air conditioner with an automatic humidification function and a control method.
The invention provides an air conditioner with automatic humidifying function, which comprises:
the air conditioner comprises a water receiving disc, a water tank and a water outlet pipe, wherein the water receiving disc can be used for receiving condensed water generated by the air conditioner, the water tank is communicated with the water receiving disc, one end of the water outlet pipe is communicated with the water tank, and the other end of the water outlet pipe can convey water into a room for humidification;
and the water outlet pipe is also provided with a flow regulating valve, the flow regulating valve is controlled by the PID controller to regulate the flow, and is opened or closed, the water outlet pipe also comprises a humidity sensor, the humidity sensor can detect the indoor humidity, the humidity sensor is electrically connected with the PID controller, and the PID controller controls and regulates the opening size, opening or closing of the flow regulating valve according to the indoor humidity detected by the humidity sensor.
Preferably, the first and second electrodes are formed of a metal,
the humidity sensor can obtain the indoor humidity by detecting the indoor side wet bulb temperature.
Preferably, the first and second electrodes are formed of a metal,
the other end of the water outlet pipe is also connected with a nozzle, and water can be sprayed indoors.
Preferably, the first and second electrodes are formed of a metal,
the other end of the water outlet pipe is also connected with an atomizing device.
Preferably, the first and second electrodes are formed of a metal,
when the humidity sensor detects that the indoor humidity is greater than the preset humidity, the PID controller controls the opening degree of the flow regulating valve to be reduced or closed;
when the humidity sensor detects that the indoor humidity is smaller than the preset humidity, the PID controller controls the opening of the flow regulating valve to be increased or opened.
Preferably, the first and second electrodes are formed of a metal,
the preset humidity is 60%.
Preferably, the first and second electrodes are formed of a metal,
the water tank is also provided with a condensed water inlet and a condensed water outlet, the condensed water inlet is arranged at the top end of the water tank and is communicated with the water receiving tray, and the condensed water outlet is arranged on the side wall of the water tank and can discharge water in the water tank, which is higher than the condensed water outlet, from the condensed water outlet.
The invention also provides a humidification control method of the air conditioner, which uses the air conditioner with the humidification function as described in any one of the above and controls the indoor automatic humidification according to the indoor humidity condition.
Preferably, the first and second electrodes are formed of a metal,
when the humidity sensor detects that the indoor humidity is greater than the preset humidity, the PID controller controls the opening degree of the flow regulating valve to be reduced or closed;
when the humidity sensor detects that the indoor humidity is smaller than the preset humidity, the PID controller controls the opening of the flow regulating valve to be increased or opened.
The air conditioner with the automatic humidifying function and the control method provided by the invention have the following beneficial effects:
according to the invention, the water tank, the water receiving disc and the water outlet pipe are arranged, one end of the water outlet pipe is communicated with the water tank, the other end of the water outlet pipe can convey water into a room for humidification, the indoor can be effectively dehumidified, a complete set of detection control humidification system is formed by the arranged flow regulating valve, the PID controller and the humidity sensor, the indoor humidity is detected, a signal is sent to the PID controller, and the PID controller finally controls the flow regulating valve to regulate the water quantity of water sprayed into the room or close or open the water spraying, so that the capacity of detecting and controlling the indoor humidity is effectively improved, the indoor humidity can be effectively controlled to meet the requirement of comfort level while the indoor refrigeration and cooling are carried out, and the comfort level is effectively improved; and the condensed water is collected and used for humidifying, so that the condition that the condensed water is bred with mould in the water receiving tray is effectively reduced, the risk of blowing water is avoided when the wind speed is high, the air supply quality is effectively improved, the condensed water is recovered and is sent to the indoor, and the energy efficiency of the system is also improved.
Drawings
Fig. 1 is a schematic structural view of an air conditioner with an automatic humidification function according to the present invention;
fig. 2 is a schematic view showing the operation of the air conditioner with automatic humidification function according to the present invention.
The reference numbers in the figures denote:
1. a water tank; 2. a water outlet pipe; 3. a flow regulating valve; 4. a PID controller; 5. a humidity sensor; 6. a nozzle; 11. a condensed water inlet; 12. and a condensed water outlet.
Detailed Description
As shown in fig. 1-2, the present invention provides an air conditioner with an automatic humidification function, comprising:
the air conditioner comprises a water receiving disc, a water tank 1 and a water outlet pipe 2, wherein the water receiving disc can be used for receiving condensed water generated by the air conditioner, the water tank 1 is communicated with the water receiving disc, one end of the water outlet pipe 2 is communicated with the water tank 1, and the other end of the water outlet pipe 2 can convey water into a room for humidification;
and still be provided with flow control valve 3 on outlet pipe 2, flow control valve 3 is controlled by PID controller 4 and flow regulation, is opened or is closed, still includes humidity transducer 5 can detect indoor humidity, just humidity transducer 5 with PID controller 4 electricity is connected, PID controller 4 basis humidity transducer 5 detects indoor humidity control regulation flow control valve 3's aperture size, is opened or is closed.
According to the invention, the water tank, the water receiving disc and the water outlet pipe are arranged, one end of the water outlet pipe is communicated with the water tank, the other end of the water outlet pipe can convey water into a room for humidification, the indoor can be effectively dehumidified, a complete set of detection control humidification system is formed by the arranged flow regulating valve, the PID controller and the humidity sensor, the indoor humidity is detected, a signal is sent to the PID controller, and the PID controller finally controls the flow regulating valve to regulate the water quantity of water sprayed into the room or close or open the water spraying, so that the capacity of detecting and controlling the indoor humidity is effectively improved, the indoor humidity can be effectively controlled to meet the requirement of comfort level while the indoor refrigeration and cooling are carried out, and the comfort level is effectively improved; and the condensed water is collected and used for humidifying, so that the condition that the condensed water is bred with mould in the water receiving tray is effectively reduced, the risk of blowing water is avoided when the wind speed is high, the air supply quality is effectively improved, the condensed water is recovered and is sent to the indoor, and the energy efficiency of the system is also improved.
Preferably, the first and second electrodes are formed of a metal,
the humidity sensor 5 can obtain the indoor humidity by detecting the indoor side wet bulb temperature. The indoor humidity value can be effectively obtained by detecting the indoor side wet bulb temperature.
Preferably, the first and second electrodes are formed of a metal,
the other end of the water outlet pipe 2 is also connected with a nozzle 6, and water can be sprayed indoors. The collected condensed water can be sprayed through the arranged nozzle to form the effect of humidifying the indoor space.
Preferably, the first and second electrodes are formed of a metal,
the other end of the water outlet pipe 2 is also connected with an atomizing device. Can become the droplet with water atomization through atomizing device to spray humidification effect again indoor, effectively improved the humidification effect.
Preferably, the first and second electrodes are formed of a metal,
when the humidity sensor 5 detects that the indoor humidity is greater than the preset humidity, the PID controller 4 controls the opening of the flow regulating valve 3 to be reduced or closed;
when the humidity sensor 5 detects that the indoor humidity is less than the preset humidity, the PID controller 4 controls the opening of the flow regulating valve 3 to be increased or opened.
The PID controller controls the opening of the flow regulating valve to be increased or decreased or closed or opened according to the detection result of the humidity sensor, can detect the indoor humidity through the humidity sensor, and reduces the flow of condensed water entering the room through the PID dynamic regulating valve when the indoor humidity is higher than a set value; when the indoor humidity is lower than the set value, the PID dynamic adjusting valve increases the flow of the condensed water entering the room. Under the logic, as long as the indoor humidity is higher or lower than the set value, the PID regulating valve starts to regulate, so that the indoor humidity is kept in the most comfortable state for human bodies.
Preferably, the first and second electrodes are formed of a metal,
the preset humidity is 60%. When refrigerating, the indoor heat exchanger can produce condensed water, and the condensed water directly flows into the closed condensed water tank and flows into the room through the pressure in the water tank. When the indoor humidity is more than 60%, the PID regulating valve is opened; when the indoor humidity is less than 60%, the PID regulating valve is opened, and the precision is stabilized at 60%. When heating, the outdoor side heat exchanger generates condensed water, and the control process is the same as the cooling process, as described above.
Preferably, the first and second electrodes are formed of a metal,
the water tank 1 is further provided with a condensed water inlet 11 and a condensed water outlet 12, the condensed water inlet 11 is arranged at the top end of the water tank 1 and is communicated with the water receiving tray, and the condensed water outlet 12 is arranged on the side wall of the water tank 1 and can discharge water in the water tank, which is higher than the condensed water outlet 12, from the condensed water outlet 12. Can receive the comdenstion water through the comdenstion water entry from the water collector and get into the water tank, can discharge water effectively through the comdenstion water outlet, prevent that the too high condition that takes place the overflow of water level from taking place.
The invention also provides a humidification control method of the air conditioner, which uses the air conditioner with the humidification function as described in any one of the above and controls the indoor automatic humidification according to the indoor humidity condition. The method for dynamically controlling indoor humidity and simultaneously recovering condensed water based on PID (proportion integration differentiation) not only can improve air quality, but also can improve the energy efficiency of a system by recovering cold energy in the condensed water. The humidity sensor is used for detecting the indoor humidity, and when the indoor humidity is higher than a set value, the PID dynamic adjusting valve reduces the flow of condensed water entering the room; when the indoor humidity is lower than the set value, the PID dynamic adjusting valve increases the flow of the condensed water entering the room. Under the logic, as long as the indoor humidity is higher or lower than the set value, the PID regulating valve starts to regulate, so that the indoor humidity is kept in the most comfortable state for human bodies.
The condensed water flows directly into the condensed water tank, and because the condensed water can not be fully humidified indoors, a valve is arranged at 4/5 of the water tank to prevent the condensed water tank from overflowing, and when the water level of the water tank reaches 4/5 of the water tank, the redundant condensed water flows to the outdoors directly. The bottom of the other side of the water tank is provided with a water outlet which enters the indoor side, so that the system has enough pressure. The tail end of the PID control system is a spray nozzle, condensed water is sent into a room in a water mist mode, and indoor air supply and water spray are avoided.
The first embodiment:
when refrigerating, the indoor heat exchanger can produce condensed water, and the condensed water directly flows into the closed condensed water tank and flows into the room through the pressure in the water tank. When the indoor humidity is more than 60%, the PID regulating valve is opened; when the indoor humidity is less than 60%, the PID regulating valve is opened, and the precision is stabilized at 60%.
The second embodiment:
when heating, the outdoor side heat exchanger generates condensed water, and the control process is the same as the cooling process, as described above.
Preferably, the first and second electrodes are formed of a metal,
when the humidity sensor 5 detects that the indoor humidity is greater than the preset humidity, the PID controller 4 controls the opening of the flow regulating valve 3 to be reduced or closed;
when the humidity sensor 5 detects that the indoor humidity is less than the preset humidity, the PID controller 4 controls the opening of the flow regulating valve 3 to be increased or opened.
The PID controller controls the opening of the flow regulating valve to be increased or decreased or closed or opened according to the detection result of the humidity sensor, can detect the indoor humidity through the humidity sensor, and reduces the flow of condensed water entering the room through the PID dynamic regulating valve when the indoor humidity is higher than a set value; when the indoor humidity is lower than the set value, the PID dynamic adjusting valve increases the flow of the condensed water entering the room. Under the logic, as long as the indoor humidity is higher or lower than a set value, the PID regulating valve starts to regulate, so that the indoor humidity is kept in the most comfortable state of a human body, and the high-precision control effect on the humidity is realized.
According to the invention, the PID control regulating valve is adopted, and part of condensed water is recycled and sent to the indoor, so that the indoor humidity is kept accurate and stable at 60%, the human body comfort is greatly improved, and a humidifier is not required for humidification. Condensed water directly flows into the closed water tank, one section of the condensed water directly flows to the outside, and the other end of the condensed water is sent to the inside of the room through the atomizing device; the PID control adjusting valve is used for controlling the flow of the condensed water entering the room to control the humidity in the room to be maintained at 60%, and when the humidity in the room is higher than 60%, the PID adjusting valve automatically reduces the condensed water entering the room. When the indoor humidity is lower than 60%, the PID regulating valve automatically increases the condensed water entering the indoor. The indoor environment-friendly air conditioner can meet the requirement of human comfort. The condensed water of the invention directly flows into the closed water tank to avoid being exposed in the air, thereby reducing the breeding of the mould and improving the air supply quality. The condensed water is recovered and sent to the indoor, and the energy efficiency of the system is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides an air conditioner with automatic humidification function which characterized in that: the method comprises the following steps:
the air conditioner comprises a water receiving disc, a water tank (1) and a water outlet pipe (2), wherein the water receiving disc can be used for receiving condensed water generated by the air conditioner, the water tank (1) is communicated with the water receiving disc, one end of the water outlet pipe (2) is communicated with the water tank (1), and the other end of the water outlet pipe (2) can convey water into a room for humidification;
just still be provided with flow control valve (3) on outlet pipe (2), flow control valve (3) are controlled by PID controller (4) and flow regulation, are opened or are closed, still include humidity transducer (5) can detect indoor humidity, just humidity transducer (5) with PID controller (4) electricity is connected, PID controller (4) basis humidity transducer (5) indoor humidity control that detects adjusts flow control valve (3) aperture size, open or close.
2. The air conditioner with automatic humidification function as claimed in claim 1, wherein:
the humidity sensor (5) can obtain the indoor humidity by detecting the indoor side wet bulb temperature.
3. The air conditioner with automatic humidification function as claimed in claim 1, wherein:
the other end of the water outlet pipe (2) is also connected with a nozzle (6) which can spray water indoors.
4. The air conditioner with automatic humidification function as claimed in claim 1, wherein:
the other end of the water outlet pipe (2) is also connected with an atomizing device.
5. The air conditioner with automatic humidification function according to any one of claims 1 to 4, wherein:
when the humidity sensor (5) detects that the indoor humidity is greater than the preset humidity, the PID controller (4) controls the opening degree of the flow regulating valve (3) to be reduced or closed;
when the humidity sensor (5) detects that the indoor humidity is smaller than the preset humidity, the PID controller (4) controls the opening degree of the flow regulating valve (3) to be increased or opened.
6. The air conditioner with automatic humidification function as claimed in claim 5, wherein:
the preset humidity is 60%.
7. The air conditioner with automatic humidification function according to any one of claims 1 to 6, wherein:
the water tank (1) is further provided with a condensed water inlet (11) and a condensed water outlet (12), the condensed water inlet (11) is arranged at the top end of the water tank (1) and communicated with the water receiving disc, and the condensed water outlet (12) is arranged on the side wall of the water tank (1) and can discharge water in the water tank, which is higher than the condensed water outlet (12), from the condensed water outlet (12).
8. A humidification control method of an air conditioner is characterized in that:
the use of the air conditioner with automatic humidification function of any one of claims 1 to 7, for controlling automatic humidification of a room according to the humidity condition of the room.
9. The humidification control method according to claim 8, wherein:
when the humidity sensor (5) detects that the indoor humidity is greater than the preset humidity, the PID controller (4) controls the opening degree of the flow regulating valve (3) to be reduced or closed;
when the humidity sensor (5) detects that the indoor humidity is smaller than the preset humidity, the PID controller (4) controls the opening degree of the flow regulating valve (3) to be increased or opened.
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| CN201910988632.6A CN110657500A (en) | 2019-10-17 | 2019-10-17 | Air conditioner with automatic humidifying function and control method |
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| CN201910988632.6A CN110657500A (en) | 2019-10-17 | 2019-10-17 | Air conditioner with automatic humidifying function and control method |
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Cited By (5)
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| CN111271766A (en) * | 2020-03-27 | 2020-06-12 | 宁波奥克斯电气股份有限公司 | Air conditioner humidifying device and air conditioner |
| CN111692652A (en) * | 2020-06-09 | 2020-09-22 | 广东美的制冷设备有限公司 | Temperature and humidity adjusting system and air conditioner humidity control method |
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| CN112032851A (en) * | 2020-08-27 | 2020-12-04 | 珠海格力电器股份有限公司 | Humidifying equipment and control method and device thereof |
| CN113413746A (en) * | 2021-07-02 | 2021-09-21 | 北京京仪自动化装备技术股份有限公司 | Exhaust gas treatment device and exhaust gas humidity control method thereof |
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| CN113413746A (en) * | 2021-07-02 | 2021-09-21 | 北京京仪自动化装备技术股份有限公司 | Exhaust gas treatment device and exhaust gas humidity control method thereof |
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