CN112648691A - Radiation type air conditioner - Google Patents
Radiation type air conditioner Download PDFInfo
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- CN112648691A CN112648691A CN202011308695.1A CN202011308695A CN112648691A CN 112648691 A CN112648691 A CN 112648691A CN 202011308695 A CN202011308695 A CN 202011308695A CN 112648691 A CN112648691 A CN 112648691A
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- tail end
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- 230000005855 radiation Effects 0.000 title claims abstract description 138
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 187
- 238000007791 dehumidification Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F24F5/0089—Systems using radiation from walls or panels
- F24F5/0092—Systems using radiation from walls or panels ceilings, e.g. cool ceilings
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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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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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
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24F2110/10—Temperature
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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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- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention relates to a radiation type air conditioner, which relates to the technical field of air conditioners and comprises a controller, a heat exchange and dehumidification device, a water inlet pipeline, a water return pipeline, a first flow valve, a second flow valve, a third flow valve, a water mixing valve, a temperature sensor and a radiation tail end, wherein the water inlet pipeline is connected with the water return pipeline; a water inlet of the heat exchange and dehumidification device is connected with a water inlet pipeline, and a water outlet of the heat exchange and dehumidification device is connected with a water mixing valve through a first flow valve; the water mixing valve is also connected with the water inlet pipeline through a second flow valve and is also connected with the water return pipeline through a third flow valve; a water inlet at the radiation tail end is connected with a water mixing valve, and a water return port is connected with a water return pipeline; the controller is respectively connected with the first flow valve, the second flow valve, the third flow valve and the temperature sensor. The radiant air conditioner of this application embodiment can handle the room air when carrying out the radiant refrigeration to the room air, reduces air humidity, can also avoid the air to take place the dewfall phenomenon with radiation terminal contact time simultaneously.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a radiation type air conditioner.
Background
The capillary tube and the radiation unit module are used as the tail end of the air conditioning system and act on a building to form a radiation type air conditioning system. The radiant air conditioner realizes independent control of temperature and humidity, has the advantages of large heat exchange area, good heat conductivity, uniform heat exchange and the like, but the radiant air conditioner is not mature in the control technology of room humidity, and the condensation phenomenon happens occasionally.
At present, a capillary radiation type air conditioner controls the humidity in a room by using a 'gravity breathing wall' dehumidifying device, an independent fresh air fan and the like, and condensation is avoided. But the dehumidifying device can not provide extra cold energy for rooms, and the dehumidifying range is small, so that the requirement of large dehumidifying amount can not be met; the independent fresh air dehumidifier utilizes fresh air to bear the moisture load in a room, and the opening of the fresh air fan needs to be controlled independently, so that the application range is small.
How to ensure the humidity control of the radiation type air conditioner to avoid condensation is an important problem to be solved by the radiation type air conditioner and an important problem of the application practical engineering of the radiation type air conditioner.
Disclosure of Invention
The first purpose of the present invention is to avoid the disadvantages of the prior art and provide a radiation type air conditioner, which can process the indoor air to reduce the air humidity when the indoor air is cooled by radiation, and can avoid the dewing phenomenon when the air contacts with the radiation end.
The purpose of the invention is realized by the following technical scheme:
a radiant air conditioner comprising:
the device comprises a controller, a heat exchange and dehumidification device, a water inlet pipeline, a water return pipeline, a first flow valve, a second flow valve, a third flow valve, a water mixing valve, a temperature sensor and a radiation tail end;
the water inlet of the heat exchange and dehumidification device is connected with the water inlet pipeline, and the water outlet of the heat exchange and dehumidification device is connected with the water mixing valve through the first flow valve;
the water mixing valve is also connected with the water inlet pipeline through the second flow valve and is also connected with the water return pipeline through the third flow valve;
a water inlet of the radiation tail end is connected with the water mixing valve, and a water return port of the radiation tail end is connected with the water return pipeline;
the temperature sensor is used for detecting the temperature of a pipeline between the water inlet of the radiation tail end and the water mixing valve;
the controller is connected with the first flow valve, the second flow valve, the third flow valve and the temperature sensor respectively.
Further, when the temperature detected by the temperature sensor is higher than the air dew point temperature of the air inlet side of the radiation tail end, the controller controls the first flow valve and the second flow valve to be opened.
Further, when the temperature detected by the temperature sensor is lower than the dew point temperature of the air on the air inlet side of the radiation terminal, the controller controls the first flow valve, the second flow valve and the third flow valve to be opened.
Further, the controller closes the second flow valve when the temperature detected by the temperature sensor is lower than the dew point temperature of air on the intake side of the radiation tip and when the first flow valve, the second flow valve, and the third flow valve are all in the open state.
Further, the radiation terminal comprises a plurality of radiation terminal units which are mutually arranged, and each radiation terminal unit comprises a water inlet branch pipe, a water outlet branch pipe and a water return branch pipe;
for each radiation tail end unit, one end of a water inlet branch pipe of the radiation tail end unit is connected with the water mixing valve channel, the other end of the water inlet branch pipe of the radiation tail end unit is connected with one end of a water outlet branch pipe of the radiation tail end unit, and the other ends of the water outlet branch pipes are connected with each other;
and after the water return branch pipes of each radiation tail end unit are connected end to end, one end of each water return branch pipe is connected with the water outlet branch pipe of each radiation tail end unit, and the other end of each water return branch pipe is connected with the water return pipeline and used for collecting condensed water of each water outlet branch pipe and discharging the condensed water to the water return pipeline.
Further, for each of the radiation end units, the water inlet branch pipe and the water outlet branch pipe are arranged on both sides of the water return branch pipe.
Further, the heat exchange and dehumidification device is arranged in the first shell, the radiation tail end is arranged in the second shell, the first shell is provided with an air inlet, the second shell is provided with an air outlet, and the first shell is connected with the second shell through a connecting air pipe.
Further, an airflow channel between the connecting air pipe and the air outlet is formed between one side of the radiation tail end and the second shell.
Further, the heat exchange and dehumidification device comprises a fan and a heat exchanger, the fan is connected with the controller, and the fan is used for generating airflow which passes through the heat exchanger from the air inlet to the connecting air pipe.
And the temperature and humidity detection device is connected with the controller and used for detecting the dew point temperature of air on the air inlet side at the tail end of the radiation.
The radiant air conditioner of the embodiment of the application can realize the following technical effects:
1. according to the invention, the designed preposed dehumidifying heat exchanger, the water mixing valve with independent temperature control and the radiation tail end are used for treating indoor air, so that the air humidity is reduced, and the condensation phenomenon caused when the air is contacted with the radiation tail end is avoided.
2. The independent temperature control mode optimizes the temperature of the water supply and return at the radiation tail end, and the normal work of the radiation tail end is guaranteed while the dehumidification requirement is met.
3. The dehumidification temperature of the front dehumidification heat exchanger is independently controlled along with the temperature and humidity sensor, and compared with the traditional dehumidification device, the dehumidification device has the advantages of high temperature of chilled water, reduction of dehumidification load of an air conditioner and improvement of energy conservation of the system.
4. Through the radiation tail end water supply and return structure of design, the temperature of the whole radiation tail end unit module is controlled to be uniform, and the temperature of a cold radiation surface on the lower surface of a ceiling cavity is prevented from being nonuniform.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural view of a radiant air conditioner according to an example of the embodiment of the present application;
fig. 2 is a schematic view of the overall structure of a radiant air conditioner according to an example of the embodiment of the present application;
FIG. 3 is a schematic diagram of an arrangement of a radiant air conditioner in an example of an embodiment of the present application;
fig. 4 is a schematic structural view of a radiation end unit in a radiant air conditioner according to an example of the embodiment of the present application;
fig. 5 is a sectional view taken along line a-a of fig. 4.
The figures are numbered as follows: 10-heat exchange dehumidification device; 20-a radiating end; 30-connecting an air pipe; 106-flow valve; 107-second flow valve; 108-a third flow valve; 109-a first flow valve; 403-a mixing valve; 401-a fan; 402-a heat exchanger; 406-a water pump; 114-connecting a ball valve; 204-a radiating end unit; 601-temperature and humidity detection device; 602-temperature sensing bulb; a01-water return pipe; a02-water supply pipe; 2041-water inlet branch pipe; 2042-water outlet branch pipe; 2043-backwater branch pipe; 101-an air inlet; 201-air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context. The invention is further described with reference to the following examples.
To the above-mentioned technical problem who mentions in the background art, this application embodiment provides a radiation type air conditioner, can handle room air when carrying out the radiation type refrigeration to room air, reduces air humidity, can also avoid the air to take place the dewfall phenomenon with radiation end contact time simultaneously.
As shown in fig. 1, in an exemplary embodiment, the radiant air conditioner of the present application includes a controller (not shown), a heat exchanging and dehumidifying device, a water inlet pipe a02, a water return pipe a01, a first flow valve 109, a second flow valve 107, a third flow valve 108, a mixing valve 403, a temperature sensor 602, and a radiation tip.
As shown in fig. 2 and 3, in one example, the heat exchanging and dehumidifying device 10 is disposed in a first housing, the radiation end 20 is disposed in a second housing, the first housing is provided with an air inlet 101, the second housing is provided with an air outlet 201, and the first housing and the second housing are connected through a connecting air pipe 30. In other examples, the heat exchanging moisture removing device 10 and the radiation tip 20 may be disposed in the same housing.
The heat exchange dehumidification device 10 and the radiation end 20 can be arranged in a ceiling cavity as shown in fig. 2 and 3, in other examples, the heat exchange dehumidification device 10 and the radiation end 20 can also be arranged in a wall, a floor, etc., and the heat exchange dehumidification device 10 and the radiation end 20 can also be arranged separately, for example, the heat exchange dehumidification device 10 is arranged in a ceiling and the radiation end is arranged in a wall, or the heat exchange dehumidification device 10 is arranged in a wall and the radiation end is arranged in a ceiling, which are connected by a connecting air duct.
In the embodiment of the present application, the heat exchange and dehumidification device is configured to exchange heat and dehumidify indoor warm and humid air by using chilled water to exchange heat with the warm and humid air, and in a specific example, as shown in fig. 1, the heat exchange and dehumidification device may include a fan 401 and a heat exchanger 402, where the fan 401 is connected to the controller and is configured to generate an airflow from the air inlet 101 to the connecting air duct 30 through the heat exchanger 402. The specific structure of the heat exchanger 402 may be a common structure such as a fin heat exchanger commonly used in a dehumidifier, and when warm and humid air passes through the heat exchanger 402, heat exchange occurs with a chilled water pipeline in the heat exchanger, so that the warm and humid air is changed into humid and cold air, and a dehumidification function is realized.
In the embodiment of the present application, the radiation tip 20 is used for exchanging heat between the chilled water and the warm and humid air in the environment by means of radiation, and in some examples, the radiation tip 20 is a radiation heat exchanger, which may be a mat-shaped capillary heat exchanger.
The water inlet of the heat exchange and dehumidification device is connected with the water inlet pipeline A02, and the water outlet of the heat exchange and dehumidification device is connected with the water mixing valve 403 through the first flow valve 109. In some examples, a flow valve 106 is further disposed between the heat exchange dehumidification device and the water inlet pipe a02, and in some examples, the water mixing valve 403 is a temperature-controlled water mixing valve.
The mixing valve 403 is further connected with the water inlet pipe a02 through the second flow valve 107 and connected with the water return pipe a01 through the third flow valve 108, in one example, the radiant air conditioner of the present application further includes a water pump 406, the water pump 406 is disposed between the third flow valve 108 and the water return pipe a01, and in other examples, the water pump 406 may also be disposed between the third flow valve 108 and the mixing valve 403.
The water inlet of the radiation end is connected with the water mixing valve 403, and the water return port of the radiation end is connected with the water return pipe A01.
In a specific example, as shown in fig. 1, 4 and 5, the radiation end includes a plurality of radiation end units 204 arranged with each other, and each radiation end unit 204 includes a water inlet branch pipe 2041, a water outlet branch pipe 2042 and a water return branch pipe 2043.
For each radiant end unit 204, one end of its water inlet branch 2041 is connected to the mixing valve 403, the other end is connected to one end of its water outlet branch 2042, and the other ends of the water outlet branches of each radiant end unit 204 are connected to each other.
After the water return branch pipes 2043 of each radiation tail end unit 204 are connected end to end, one end of each water return branch pipe 2043 of each radiation tail end unit 204 is connected with the water outlet branch pipe 2043 of each radiation tail end unit 204, and the other end of each water return branch pipe is connected with a water return pipe A01, so that condensed water of each water outlet branch pipe 2043 is collected and then discharged to the water return pipe A01.
In a preferred example, as shown in fig. 4 and 5, for each radiation end unit 204, the water inlet branch pipe 2041 and the water outlet branch pipe 2042 are arranged on both sides of the water return branch pipe 2043.
In a preferred example, an airflow channel between the connecting air duct 30 and the air outlet 201 is formed between one side of the radiation end and the second housing, so that the air dehumidified by the heat exchange dehumidifier 10 further exchanges heat with one side surface of the radiation end while passing through the airflow channel, and the other side of the radiation end exchanges heat with the indoor air through the second housing.
In the embodiment of the present application, the water inlet branch pipe 2041, the water outlet branch pipe 2042 and the water return branch pipe 2043 at the radiation end control the temperature of the shell of the radiation end unit 204 together, so as to ensure that the temperature of the surface of the shell is higher than the dew point temperature of the air entering the radiation end, and control the temperature of the surface of the whole radiation end to be uniform.
The temperature sensor 602 is configured to detect a temperature of a pipe between the water inlet of the radiation end and the water mixing valve 403; in one example, the temperature sensor 602 is a bulb disposed on the radiant tip inlet pipe for sensing the temperature of the radiant tip inlet pipe.
The controller is respectively connected with the first flow valve 109, the second flow valve 107, the third flow valve 108, the water pump 406 and the temperature sensor 602, and is used for controlling the opening and closing or starting of the valves and the water pump so as to control the temperature of the radiation tail end water inlet pipe to be lower than the dew point temperature of air.
In an embodiment, as shown in fig. 1, the radiant air conditioner of the embodiment of the present application further includes a temperature and humidity detection device 601, where the temperature and humidity detection device 601 is connected to the controller, and the temperature and humidity detection device is used to detect a dew point temperature of air on an air inlet side of the radiation end.
In one embodiment, the first flow valve 109, the second flow valve 107, the third flow valve 108, and the flow valve 106 are all electronic flow valves.
Taking the heat exchange and dehumidification device 10 and the radiation end 20 both installed in the cavity of the ceiling as an example, the working process of the radiation type air conditioner in the embodiment of the present application is as follows:
when the radiant air conditioner is in an operating state, chilled water on the water supply pipeline A02 side enters the heat exchanger 402 through the flow valve 106, the fan 401 is started, air in a room enters the heat exchange and dehumidification device 10 through the air inlet 101 of the heat exchange and dehumidification device 10 to exchange heat with the heat exchanger 402, and condensation occurs in the heat exchanger 402. The condensed air enters the shell of the radiation tail end through the connecting air pipe 30 between the heat exchange dehumidification device 10 and the radiation tail end 20, exchanges heat with the upper shell of the radiation tail end unit 204, and finally returns to the room through the air outlet of the radiation tail end 201.
The working process of a water system of the radiation type air conditioner comprises the following steps:
the system adjusts the temperature of the chilled water entering the radiation terminal 20 through the mixing valve 403, so as to avoid the dewing phenomenon of the dehumidified air at the radiation terminal 20. The specific process is as follows: (the dew point temperature of the air at the air inlet side of the radiation tail end 20 detected by the temperature and humidity detection device 601 is T1, and the temperature detected by the temperature sensing bulb 602 of the water inlet pipe at the radiation tail end is T2.)
The first state: the third flow valve 108 is closed, the second flow valve 107 and the first flow valve 109 are opened, and the cold water at the water outlet end of the heat exchanger 402 enters the radiation end after passing through the first flow valve 109 and the chilled water passing through the second flow valve 107 and mixing in the water mixing valve 403. At this time, T2 > T1. If T2 < T1, the system enters state two mode.
And a second state: and (3) opening the first flow valve 109, the second flow valve 107 and the third flow valve 108, mixing the cold water at the water outlet end of the heat exchanger passing through the first flow valve 109, the chilled water passing through the second flow valve 107 and the radiation tail end backwater passing through the third flow valve 108 in the water mixing valve 403, and then entering the radiation tail end, so that T2 is more than T1. In this state, if T2 < T1 is still detected, the system enters state three mode.
And a third state: and closing the second flow valve 107, opening the third flow valve 108 and the first flow valve 109, mixing the cold water at the water outlet end of the heat exchanger passing through the first flow valve 109 and the radiation tail end backwater passing through the third flow valve 108 in the 403 temperature-controlled water mixing valve, and then entering the radiation tail end, so that T2 is more than T1.
The above control process may be performed by a controller, and in some examples, the control process may also be performed by controlling the second flow valve 107, and opening the third flow valve 108 and the first flow valve 109 through a temperature-controlled mixing valve.
When the radiant air conditioner according to the embodiment of the present application further includes the water pump 406, the water pump 406 is started when the third flow valve 108 is opened, and is stopped when the third flow valve 108 is closed.
(II) the working process of the radiation end internal water system of the radiation type air conditioner in the embodiment of the application is as follows:
when the radiant air conditioner is in an operating state, chilled water of the water inlet pipe of the radiant end 20 circulates through the water inlet branch pipe 2041 and the water outlet branch pipe 2042 of the radiant end unit 204 and then is collected into the water return pipe of the radiant end, wherein the water return pipe of the radiant end 20 comprises the water return branch pipes 2043 located in each radiant end unit 204. The radiation end return pipe collects the circulating water of the water inlet branch pipe 2041 and the water outlet branch pipe 2042 of the radiation end unit 204 and then enters the shell of the radiation end unit. Within the housing of the radiating tip unit 204: the return water temperature of the radiation end return water branch pipe 2043 is higher than the circulating water temperature of the water inlet branch pipe 2041 and the water outlet branch pipe 2042 of the radiation end unit 204; the water return pipe of the radiation tail end 20 and the water inlet branch pipe 2041 and the water outlet branch pipe 2042 of the radiation tail end unit 204 jointly control the shell temperature of the radiation tail end unit 204, so that the shell surface temperature is guaranteed to be higher than the dew point temperature of air entering the radiation tail end, the surface temperature of the whole radiation tail end is controlled to be uniform, and the non-uniform cold radiation surface on the lower surface of a ceiling cavity is avoided.
(III) the working process of the air system of the radiation type air conditioner in the embodiment of the application is as follows:
the lower surface of the radiant tip 20 within the ceiling cavity is in contact with the ceiling of the room for radiant heat exchange. The air dehumidified by the heat exchange and dehumidification device enters the shell of the radiation tail end through the connecting air pipe 30, exchanges heat with the upper surface of the radiation tail end 20, and is discharged into a room through the air outlet 201 of the radiation tail end of the ceiling cavity.
The radiant air conditioner of the embodiment of the application can realize the following technical effects:
1. according to the invention, the designed preposed dehumidifying heat exchanger, the water mixing valve with independent temperature control and the radiation tail end are used for treating indoor air, so that the air humidity is reduced, and the condensation phenomenon caused when the air is contacted with the radiation tail end is avoided.
2. The independent temperature control mode optimizes the temperature of the water supply and return at the radiation tail end, and the normal work of the radiation tail end is guaranteed while the dehumidification requirement is met.
3. The dehumidification temperature of the front dehumidification heat exchanger is independently controlled along with the temperature and humidity sensor, and compared with the traditional dehumidification device, the dehumidification device has the advantages of high temperature of chilled water, reduction of dehumidification load of an air conditioner and improvement of energy conservation of the system.
4. Through the radiation tail end water supply and return structure of design, the temperature of the whole radiation tail end unit module is controlled to be uniform, and the temperature of a cold radiation surface on the lower surface of a ceiling cavity is prevented from being nonuniform.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (11)
1. A radiant air conditioner, comprising:
the device comprises a controller, a heat exchange and dehumidification device, a water inlet pipeline, a water return pipeline, a first flow valve, a second flow valve, a third flow valve, a water mixing valve, a temperature sensor and a radiation tail end;
the water inlet of the heat exchange and dehumidification device is connected with the water inlet pipeline, and the water outlet of the heat exchange and dehumidification device is connected with the water mixing valve through the first flow valve;
the water mixing valve is also connected with the water inlet pipeline through the second flow valve and is also connected with the water return pipeline through the third flow valve;
a water inlet of the radiation tail end is connected with the water mixing valve, and a water return port of the radiation tail end is connected with the water return pipeline;
the temperature sensor is used for detecting the temperature of a pipeline between the water inlet of the radiation tail end and the water mixing valve;
the controller is connected with the first flow valve, the second flow valve, the third flow valve and the temperature sensor respectively.
2. The radiant air conditioner as claimed in claim 1, wherein:
when the temperature detected by the temperature sensor is higher than the air dew point temperature of the air inlet side of the radiation tail end, the controller controls the first flow valve and the second flow valve to be opened.
3. The radiant air conditioner as claimed in claim 2, wherein:
when the temperature detected by the temperature sensor is lower than the air dew point temperature of the air inlet side of the radiation tail end, the controller controls the first flow valve, the second flow valve and the third flow valve to be opened.
4. The radiant air conditioner as claimed in claim 3, wherein:
the controller closes the second flow valve when the temperature detected by the temperature sensor is lower than the dew point temperature of air on the intake side of the radiation tip and when the first flow valve, the second flow valve, and the third flow valve are all in the open state.
5. The radiant air conditioner as claimed in claim 1, wherein:
the radiation tail end comprises a plurality of radiation tail end units which are mutually arranged, and each radiation tail end unit comprises a water inlet branch pipe, a water outlet branch pipe and a water return branch pipe;
for each radiation tail end unit, one end of a water inlet branch pipe of the radiation tail end unit is connected with the water mixing valve channel, the other end of the water inlet branch pipe of the radiation tail end unit is connected with one end of a water outlet branch pipe of the radiation tail end unit, and the other ends of the water outlet branch pipes are connected with each other;
and after the water return branch pipes of each radiation tail end unit are connected end to end, one end of each water return branch pipe is connected with the water outlet branch pipe of each radiation tail end unit, and the other end of each water return branch pipe is connected with the water return pipeline and used for collecting condensed water of each water outlet branch pipe and discharging the condensed water to the water return pipeline.
6. The radiant air conditioner as claimed in claim 5, wherein:
for each radiation end unit, the water inlet branch pipe and the water outlet branch pipe are arranged on two sides of the water return branch pipe.
7. The radiant air conditioner as claimed in any one of claims 1 to 6, wherein:
the heat exchange and dehumidification device is arranged in the first shell, the radiation tail end is arranged in the second shell, the first shell is provided with an air inlet, the second shell is provided with an air outlet, and the first shell is connected with the second shell through a connecting air pipe.
8. The radiant air conditioner as claimed in claim 7, wherein:
an airflow channel between the connecting air pipe and the air outlet is formed between one side of the radiation tail end and the second shell.
9. The radiant air conditioner as claimed in claim 7, wherein:
the heat exchange and dehumidification device comprises a fan and a heat exchanger, the fan is connected with the controller, and the fan is used for generating airflow which penetrates through the heat exchanger from the air inlet to the connecting air pipe.
10. The radiant air conditioner as claimed in claim 1, wherein:
the temperature and humidity detection device is connected with the controller and used for detecting the air dew point temperature on the air inlet side at the tail end of the radiation.
11. The radiant air conditioner as claimed in claim 1, wherein:
the water pump is arranged between the third flow valve and the water return pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011308695.1A CN112648691A (en) | 2020-11-19 | 2020-11-19 | Radiation type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011308695.1A CN112648691A (en) | 2020-11-19 | 2020-11-19 | Radiation type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112648691A true CN112648691A (en) | 2021-04-13 |
Family
ID=75349510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011308695.1A Pending CN112648691A (en) | 2020-11-19 | 2020-11-19 | Radiation type air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN112648691A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864931A (en) * | 2021-11-03 | 2021-12-31 | 江苏久能环境科技有限公司 | Water-cooling radiation silent air conditioning system |
| CN115751654A (en) * | 2022-12-07 | 2023-03-07 | 珠海格力电器股份有限公司 | Air conditioner tail end water flow control device, air conditioner tail end control method and air conditioner |
| CN117469778A (en) * | 2023-09-13 | 2024-01-30 | 浙江永德信科技有限公司 | PAIHAUS building system |
-
2020
- 2020-11-19 CN CN202011308695.1A patent/CN112648691A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113864931A (en) * | 2021-11-03 | 2021-12-31 | 江苏久能环境科技有限公司 | Water-cooling radiation silent air conditioning system |
| CN115751654A (en) * | 2022-12-07 | 2023-03-07 | 珠海格力电器股份有限公司 | Air conditioner tail end water flow control device, air conditioner tail end control method and air conditioner |
| CN115751654B (en) * | 2022-12-07 | 2024-05-10 | 珠海格力电器股份有限公司 | Air conditioner terminal water flow control device, air conditioner terminal control method and air conditioner |
| CN117469778A (en) * | 2023-09-13 | 2024-01-30 | 浙江永德信科技有限公司 | PAIHAUS building system |
| CN117469778B (en) * | 2023-09-13 | 2024-04-23 | 浙江永德信科技有限公司 | PAIHAUS building system |
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