CN211041202U - Fresh air humidifying unit with double cold and heat sources - Google Patents

Fresh air humidifying unit with double cold and heat sources Download PDF

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Publication number
CN211041202U
CN211041202U CN201922263511.3U CN201922263511U CN211041202U CN 211041202 U CN211041202 U CN 211041202U CN 201922263511 U CN201922263511 U CN 201922263511U CN 211041202 U CN211041202 U CN 211041202U
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China
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fresh air
evaporator
communicated
pipeline
water outlet
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CN201922263511.3U
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Chinese (zh)
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王宏革
薛明明
毕承志
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Hunan Hongxiang Indoor Climate Technology Co ltd
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Hunan Hongxiang Indoor Climate Technology Co ltd
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Abstract

The utility model provides a two cold heat source fresh air humidifying unit, include the pretreatment system that is formed by the surface cooler respectively with water inlet pipe, outlet pipe intercommunication and by evaporimeter, reheat condenser, heat exchanger, cross valve, compressor pass through the deep reason system that pipeline cooperation intercommunication formed, summer has fresh air dehumidification, the function of adjusting the temperature, the energy-conserving technique of condensation reheat has been adopted, reheat condenser improves air supply temperature through retrieving partial condensation heat, has reduced the selection of other heating accessories, has reduced the manufacturing cost and the energy consumption of unit; the device has the functions of fresh air humidification and temperature rise in winter, and because the cold and heat sources of the deep treatment system are provided with the heat pump function, the situation that the surface cooler has insufficient heating capacity due to too low temperature in winter in the north is avoided; the ventilation function is realized in the transition season, the adaptability to variable working conditions is strong, the application range is wide, and the requirement on the comfort of temperature and humidity regulation of indoor fresh air all the year round is met.

Description

Fresh air humidifying unit with double cold and heat sources
Technical Field
The utility model relates to a new trend humidifying technical field, concretely relates to two cold heat source new trend humidifying units.
Background
With the improvement of life quality, the requirements of people on living environment are higher and higher. In the house and the working environment, not only is there a fresh air system for indoor and outdoor ventilation, but also there is corresponding air treatment equipment for the temperature, humidity and PM2.5 content in the air. For a set of new house, the optional air conditioning equipment includes fresh air purification system that indoor and outdoor takes a breath, the air conditioning system of regulation indoor temperature, the dehumidification system of regulation indoor humidity, winter humidification system etc. too much pipeline design not only the installation degree of difficulty is big, has increased design and construction cost moreover, has also brought the trouble for subsequent maintenance.
For fresh air dehumidification, the traditional treatment mode is realized by a cold-hot water unit and an air treatment unit, and the air treatment unit is generally provided with a cold/hot water coil pipe and an auxiliary heating device; the air conditioning system has the defects that the requirement on cold water temperature is very low and the efficiency of a refrigerating unit is very poor based on the requirement of full fresh air dehumidification. And the common dehumidifier widely used in the market at present can not meet the dehumidification requirement of the environment for the high-temperature and high-humidity fresh air in summer, and has insufficient cold energy to control the dew point temperature of the fresh air to be below 12 ℃ for air supply, so that the common dehumidifier is usually dehumidified by adopting a two-stage common dehumidifier series connection mode, and the series connection working mode often causes a plurality of problems: with the change of a fresh air state point, the workload of the front and rear dehumidifier changes greatly, the control of the dew point temperature is difficult, the inlet air temperature of the dehumidifier at the rear stage is low, the working efficiency of the evaporator is low, the working state of the whole dehumidifier is poor, the phenomenon of shutdown caused by frost formation of the evaporator is often caused, and a great deal of inconvenience is brought to the design and operation of a system. Therefore, it is necessary to design a new fresh air humidity control unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art and providing a double-cold-heat-source fresh air humidifying unit capable of accurately regulating and controlling fresh air temperature and humidity.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model relates to a double-cold-heat-source fresh air humidifying unit, which comprises a unit shell with a fresh air supply channel, and also comprises a surface air cooler, a water inlet pipeline, a water outlet pipeline, an evaporator, a reheating condenser, a heat exchanger, a four-way valve, a compressor, a plurality of auxiliary parts and a control system;
the surface cooler is respectively communicated with the water inlet pipeline and the water outlet pipeline to form a pretreatment system;
the system comprises an evaporator, a reheating condenser, a heat exchanger, a four-way valve and a compressor, wherein the evaporator, the reheating condenser, the heat exchanger, the four-way valve and the compressor are communicated in a matched mode through pipelines to form a deep processing system, an exhaust end of the compressor is communicated with an air inlet of the four-way valve, a first oil port of the four-way valve is communicated with a first branch consisting of the heat exchanger and a first flow control valve and a second branch consisting of the reheating condenser and a second flow control valve respectively, the first branch and the second branch are converged and then communicated with a refrigerating end of the evaporator, a heating end of the evaporator is communicated with a second oil port of the four-way valve;
the two ends of a first channel in the heat exchanger are respectively communicated with the water inlet pipeline and the water outlet pipeline, the two ends of a second channel in the heat exchanger are respectively communicated with a first oil port of the four-way valve and the refrigerating end of the evaporator, and the first channel and the second channel are used for exchanging heat mutually.
In one embodiment, the auxiliary part comprises a filtering component, an electric heater, a humidifier and a fan, and the filtering component, the electric heater, the surface air cooler, the evaporator, the reheating condenser, the humidifier and the fan are sequentially arranged on the fresh air supply channel along the air circulation direction.
In one embodiment, the filter assembly comprises a nylon filter screen, a primary filter, a medium-efficiency filter and a high-efficiency filter which are sequentially arranged on the fresh air supply channel, and an air pressure difference switch is arranged between the air inlet side and the air outlet side of the filter assembly.
In one embodiment, the fan is a centrifugal fan controlled by direct current frequency conversion.
In one embodiment, the auxiliary part further comprises a sterilizer, and the sterilizer is arranged in front of the fan on the fresh air supply channel.
In one embodiment, the auxiliary member further comprises a gas-liquid separator, and the gas-liquid separator is arranged between the gas outlet of the four-way valve and the gas inlet of the compressor.
In one embodiment, the water outlet pipeline comprises a first water outlet pipe and a second water outlet pipe, the first water outlet pipe is communicated with the surface cooler, the second water outlet pipe is communicated with the first channel of the heat exchanger, a water outlet control valve for controlling whether the second water outlet pipe is communicated or not is arranged on the second water outlet pipe, the second water outlet pipe extends from a pipeline at one end of the water outlet control valve to form a bypass pipeline, and the other end of the bypass pipeline is communicated with a pipeline at the other end of the water outlet control valve.
In one embodiment, the first branch is further provided with a first filter, and the second branch is further provided with a second filter.
In one embodiment, a third filter is further disposed on the pipeline connected to the refrigeration end of the evaporator.
In one embodiment, the control system comprises a controller, a temperature sensor and a temperature and humidity sensor, the temperature sensor is arranged on pipelines at two ends of the compressor, the evaporator and the reheating condenser and between the evaporator and the reheating condenser on the fresh air supply channel, the temperature and humidity sensor is arranged at an air inlet and an air outlet of the unit shell, the temperature sensor and the temperature and humidity sensor are in signal connection with the controller, and the controller is in control connection with the compressor and the fan.
The double-cold-heat-source fresh air humidifying unit has the advantages that the fresh air humidifying unit has fresh air dehumidifying and temperature adjusting functions in summer, the energy-saving technology of condensation reheating is adopted during dehumidification and temperature adjustment in summer, the reheating condenser improves air supply temperature by recovering part of condensation heat, the selection of other heating accessories is reduced, and the production cost and the energy consumption of the unit are reduced; the system has the functions of fresh air humidifying and heating in winter, and because the cold and heat sources of the deep treatment system are provided with the heat pump function, the situation that the surface cooler heating capacity is insufficient due to too low temperature in winter in the north is avoided; the ventilation function is realized in the transition season, the adaptability to variable working conditions is strong, the application range is wide, and the requirement on the comfort of temperature and humidity regulation of indoor fresh air all the year round is met.
Other advantages of the present invention will be described in detail in the following detailed description of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the dual-cold-heat-source fresh air humidity conditioning unit of the present invention.
Description of reference numerals: 1. the water meter cooler 2, the water inlet pipeline 3, the water discharge pipeline 31, the first water discharge pipe 32, the second water discharge pipe 33, the water discharge control valve 34, the bypass pipeline 4, the evaporator 41, the third filter 5, the reheat condenser 51, the second flow control valve 52, the second filter 6, the heat exchanger 61, the first flow control valve 62, the first filter 7, the four-way valve 8, the compressor 91, the nylon filter screen 92, the primary filter 93, the intermediate filter 94, the high efficiency filter 95, the air pressure difference switch 10, the electric heater 11, the humidifier 12, the fan 13, the sterilizer 14, the gas-liquid separator 15, the air inlet 16, the air outlet 16, the water inlet pipeline 3, the water discharge pipeline
Detailed Description
To further explain the technical solution of the present invention, the present invention is explained in detail below with reference to the accompanying drawings, in which like reference numerals refer to like parts.
Fig. 1 is the structural schematic diagram of an embodiment of the utility model discloses two cold heat source fresh air humidifying unit, in this embodiment, two cold heat source fresh air humidifying unit still include surface cooler 1, water inlet pipe 2, outlet pipe way 3, evaporimeter 4, reheat condenser 5, heat exchanger 6, cross valve 7, compressor 8, a plurality of auxiliary members and control system including the unit shell that has fresh air supply channel. As shown in fig. 1, the filter assembly, the electric heater 10, the surface air cooler 1, the evaporator 4, the reheating condenser 5, the humidifier 11, the sterilizer 13 and the fan 12 are sequentially arranged on the fresh air supply channel to perform temperature and humidity adjustment, filtration and sterilization on air entering the fresh air supply channel, and the fan 12 is a centrifugal fan controlled by direct current frequency conversion.
In the embodiment, the dual-cold-heat-source fresh air humidity conditioning unit comprises a pretreatment system and a deep treatment system, wherein the surface air cooler 1 is respectively communicated with the water inlet pipeline 2 and the water outlet pipeline 3 to form the pretreatment system; the evaporator 4, the reheating condenser 5, the heat exchanger 6, the four-way valve 7 and the compressor 8 are in matched communication through pipelines to form a deep processing system.
In this embodiment, the surface cooler 1 in the pretreatment system is used for precooling or preheating fresh air, and in the dehumidification mode, cold water in the water inlet pipeline 2 flows through the surface cooler 1, and the surface cooler 1 precools the fresh air; when the heating mode, hot water in the water inlet pipeline 2 flows through the surface air cooler 1, and the surface air cooler 1 preheats the fresh air.
In this embodiment, the deep processing system is used as a main cooling, heating and humidity conditioning structure, specifically, an exhaust end of the compressor 8 is communicated with an air inlet of the four-way valve 7, a first oil port of the four-way valve 7 is respectively communicated with a first branch consisting of the heat exchanger 6 and the first flow control valve 61, and a second branch consisting of the reheat condenser 5 and the second flow control valve 51, the first branch and the second branch are converged and then communicated with a cooling end of the evaporator 4, a pipeline connected with the cooling end of the evaporator 4 is provided with the third filter 41, a heating end of the evaporator 4 is communicated with a second oil port of the four-way valve 7, an air outlet of the four-way valve 7 is communicated with an air inlet of the compressor 8, the gas-liquid separator 14 is arranged between the air outlet of the four-way valve 7 and the air inlet of the compressor 8, and the deep processing system switches the dehumidification mode and the; the two ends of a first channel in the heat exchanger 6 are respectively communicated with the water inlet pipeline 2 and the water outlet pipeline 3, the two ends of a second channel in the heat exchanger 6 are respectively communicated with a first oil port of the four-way valve 7 and the refrigerating end of the evaporator 4, and the first channel and the second channel are used for exchanging heat mutually.
In this embodiment, the evaporator 4 is a main device for cooling and dehumidifying by releasing cold energy in the dehumidification mode, and a main device for heating fresh air by releasing heat in the heating mode, and the evaporator 4 has the same structure as that of an evaporator in a conventional air conditioner, which is not described herein again.
In this embodiment, the first branch of the heat exchanger 6 is one of two branches of the high-temperature and high-pressure gaseous refrigerant discharged from the discharge end of the compressor 8, and a first flow control valve 61 and a first filter 62 are disposed on the first branch near one end of the evaporator 4. The heat exchanger 6 is a plate type heat exchanger, heat exchange can be carried out between unit supply water of a first channel of the heat exchanger 6 and condensing agent of a second channel of the heat exchanger 6, the heat exchanger 6 is used as a device for releasing condensing heat in a dehumidification mode, and the heat exchanger 6 is used as a device for releasing cooling capacity in a heating mode. In other embodiments, the heat exchanger 6 may also be a double pipe heat exchanger, a shell and tube heat exchanger, or the like.
In the present embodiment, the reheat condenser 5 is a device that provides heat energy, and can be operated alone, and in the dehumidification mode, the reheat condenser 5 heats the dehumidified low-temperature air by recovering part of the condensation heat to raise the temperature of the dehumidified low-temperature air to a set temperature. Specifically, the exhaust end of the compressor 8 is respectively communicated with the first branch and the second branch through a four-way valve 7, a second flow control valve 51 and a second filter 52 are arranged at one end, close to the evaporator 4, of the second branch where the reheat condenser 5 is located, the high-temperature and high-pressure gaseous refrigerant released from the exhaust end of the compressor 8 enters the second branch where the reheat condenser 5 is located through shunting, the heat is released through the reheat condenser 5 and is changed into a low-temperature and high-pressure liquid refrigerant, and then the liquid refrigerant enters the evaporator 4 through the electronic reheat expansion valve 51 and the second filter 52. The reheat condenser 5 in this embodiment is a condenser coil, and preferably adopts a copper pipe sleeve fin type structure design.
In this embodiment, filter assembly includes nylon filter screen 91, primary filter 92, medium efficiency filter 93 and high efficiency filter 94 that arrange in proper order on new trend inlet air duct, and filter assembly is used for carrying out filtration treatment to the air, and in other embodiments, filter assembly can also include active carbon, silver ion filter screen, ozone filter screen or electrostatic precipitator filter screen etc. to the realization is to the multi-functional processing of air. The air inlet side and the air outlet side of the filtering component are provided with an air pressure difference switch 95, the air pressure difference switch 95 can remind a user of replacing the filter screen in time according to the resistance of the filter screen, and the situation that the filter screen is replaced too fast or delayed due to different outdoor pollution degrees is avoided.
In this embodiment, the electric heater 10 is a PTC electric heater, and is disposed on the fresh air intake channel before the surface air cooler 1, so as to prevent freezing of the surface air cooler 1 due to abnormal water supply caused by too low outdoor temperature.
In the present embodiment, the humidifier 11 is used to humidify the air, and is turned on only when the air moisture content is lower than a certain set value in the heating mode. The humidifier 11 is a wet film humidifier, and in other embodiments, the humidifier 11 may also be an ultrasonic humidifier.
In this embodiment, the sterilizer 13 is an ultraviolet lamp for performing a sterilization process on air.
In this embodiment, the water outlet pipeline 3 includes a first water outlet pipe 31 and a second water outlet pipe 32, the first water outlet pipe 31 is communicated with the surface air cooler 1, the second water outlet pipe 32 is communicated with the first channel of the heat exchanger 6, a water outlet control valve 33 for controlling whether the second water outlet pipe 32 is communicated is arranged on the second water outlet pipe 32, the second water outlet pipe 32 extends from a pipeline at one end of the water outlet control valve 33 to form a bypass pipeline 34, and the other end of the bypass pipeline 34 is communicated with a pipeline at the other end of the water outlet control valve 33. The bypass pipeline 34 is always conducted, and the flow rate of the second water outlet pipe 32 can be adjusted by controlling the opening and closing of the water discharge control valve 33, so that the flow rate of the unit water supply flowing into the heat exchanger 6 can be adjusted, and the condensation temperature of the system is always kept in a proper range when the frequency of the compressor 8 is increased or decreased due to different outdoor environment working conditions.
In this embodiment, the control system is a core system for realizing automatic operation and intelligent adjustment. The control system comprises a controller, a temperature sensor and a temperature and humidity sensor, wherein the temperature sensor is arranged on pipelines at two ends of a compressor 8, an evaporator 4 and a reheating condenser 5, and between the evaporator 4 and the reheating condenser 5 on an air treatment channel, the temperature and humidity sensor is arranged at an air inlet 15 and an air outlet 16 of a unit shell, the temperature sensor and the temperature and humidity sensor are in signal connection with the controller, the controller is in signal connection with the compressor 8, a first flow control valve 61, a second flow control valve 51 and a fan 12, and the accurate adjustment of the air temperature and the air humidity is realized by controlling the flow and the throttling degree of a refrigerant. In this embodiment, the controller adopts an industrial control level single chip microcomputer chip, and the temperature sensor and the temperature and humidity sensor are arranged on each node of the fresh air handling unit and are used for acquiring temperature parameters of each measuring point as a control parameter basis for intelligent control of the controller.
The working principle of the dual cold heat source fresh air humidity conditioning unit of the embodiment is as follows: air enters the interior of the unit shell through the air inlet 15, and then is subjected to fresh air purification through the nylon filter screen 91, the primary filter 92, the intermediate filter 93 and the high-efficiency filter 94 in sequence, so that pollutants such as PM2.5 and the like are mainly purified; then, the air passes through the electric heater 10 and then the surface cooler 1, the surface cooler 1 pre-cools the air in a dehumidification mode, and the surface cooler 1 pre-heats the air in a heating mode; then, the air passes through the evaporator 4, when in a dehumidification mode, an air inlet oil port and a first oil port of the four-way valve 7 are communicated, a second oil port and an air outlet oil port of the four-way valve 7 are communicated, and a refrigerating end of the evaporator 4 receives low-temperature high-pressure liquid refrigerant from the first branch and the second branch to directly and accurately cool and dehumidify the air to a set moisture content; when in the heating mode, the air inlet port and the second oil port of the four-way valve 7 are communicated, the first oil port and the air outlet port of the four-way valve 7 are communicated, the high-temperature and high-pressure gaseous condensing agent released from the exhaust end of the compressor 8 enters the heating end of the evaporator 4, and the evaporator 4 directly and accurately heats the air to a set temperature; then the air passes through a reheating condenser 5, in a dehumidification mode, the reheating condenser 5 carries out reheating treatment on the low-temperature air after deep dehumidification by using partial condensation heat, the temperature is raised to a set temperature, the humidifier 11 is not used, and the air can be accurately adjusted to a set temperature and humidity; when the outdoor temperature is too low in the heating mode, the deep processing system is switched to the heat pump heating mode, the evaporator 4 heats air, the reheating condenser 5 does not have a condensing agent to pass through, and the refrigerating and heating effects are avoided; then the air passes through the humidifier 11, the humidifier 11 is not used in a dehumidification mode, and when the air moisture content is lower than a certain set value in a heating mode, the humidifier is started to humidify the air to the relative humidity of 40-60%; then sterilizing the air by an ultraviolet lamp 13; finally, the processed air is conveyed to a destination through the air outlet 16 by the fan 12.
The utility model discloses a two cold heat source fresh air humidifying unit contains dehumidification mode, heats mode, ventilation mode, these four kinds of modes of intelligent mode.
The double-cold-heat-source fresh air humidifying unit has the advantages that the fresh air unit has fresh air dehumidifying and temperature adjusting functions in summer, has fresh air humidifying and temperature increasing functions in winter, has a ventilating function in transition seasons, can filter and sterilize fresh air, has strong adaptability to variable working conditions, and meets the requirement of comfort of temperature and humidity adjustment, purification and sterilization of all-year indoor fresh air; the energy-saving technology of condensation reheating is adopted during dehumidification and temperature regulation in summer, the selection of other heating accessories is reduced, and due to the fact that the cold and heat sources of the deep processing system have the heat pump function during humidity and temperature regulation in winter, the situation that the heating capacity of a surface cooler is insufficient due to too low temperature in winter in the north is avoided. The utility model discloses reduced the manufacturing cost of unit, had good practicality, suitability, good market prospect and market competition, accorded with the national conditions that energy-concerving and environment-protective, green building were advocated in china.
The above description is only for the specific embodiments of the present invention, and it should be noted that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention.

Claims (10)

1. A double-cold-heat-source fresh air humidifying unit comprises a unit shell with a fresh air supply channel, and is characterized by further comprising a surface air cooler (1), a water inlet pipeline (2), a water outlet pipeline (3), an evaporator (4), a reheating condenser (5), a heat exchanger (6), a four-way valve (7), a compressor (8), a plurality of auxiliary components and a control system;
the surface cooler (1) is respectively communicated with the water inlet pipeline (2) and the water outlet pipeline (3) to form a pretreatment system;
the system comprises an evaporator (4), a reheating condenser (5), a heat exchanger (6), a four-way valve (7) and a compressor (8), wherein the evaporator (4), the reheating condenser (5), the heat exchanger (6), the four-way valve (7) and the compressor (8) are communicated in a matched mode through pipelines to form a deep processing system, the exhaust end of the compressor (8) is communicated with an air inlet of the four-way valve (7), a first oil port of the four-way valve (7) is communicated with a first branch consisting of the heat exchanger (6) and a first flow control valve (61) and a second branch consisting of the reheating condenser (5) and a second flow control valve (51) respectively, the first branch and the second branch are communicated with the refrigerating end of the evaporator (4) after being converged, the heat producing end of the evaporator (4) is communicated with a second oil port of the;
the two ends of a first channel in the heat exchanger (6) are respectively communicated with the water inlet pipeline (2) and the water outlet pipeline (3), the two ends of a second channel in the heat exchanger (6) are respectively communicated with a first oil port of the four-way valve (7) and the refrigerating end of the evaporator (4), and the first channel and the second channel are used for exchanging heat mutually.
2. The dual cold and heat source fresh air humidity conditioning unit as recited in claim 1, wherein the auxiliary components comprise a filter assembly, an electric heater (10), a humidifier (11) and a fan (12), and the filter assembly, the electric heater (10), the surface air cooler (1), the evaporator (4), the reheat condenser (5), the humidifier (11) and the fan (12) are sequentially arranged on the fresh air supply passage along the air circulation direction.
3. The dual cold and heat source fresh air humidity conditioning unit as recited in claim 2, wherein the filter assembly comprises a nylon filter screen (91), a primary filter (92), a medium-efficiency filter (93) and a high-efficiency filter (94) which are sequentially arranged on the fresh air supply channel, and an air pressure difference switch (95) is arranged between the air inlet side and the air outlet side of the filter assembly.
4. The dual cold and heat source fresh air humidity conditioning unit as recited in claim 2, wherein the fan (12) is a centrifugal fan controlled by direct current frequency conversion.
5. The dual cold heat source fresh air humidity conditioning unit as recited in claim 2, wherein the auxiliary member further comprises a sterilizer (13), and the sterilizer (13) is disposed in front of the fan (12) in the fresh air supply passage.
6. The dual cold and heat source fresh air humidity conditioning unit as recited in claim 1, wherein the auxiliary member further comprises a gas-liquid separator (14), and the gas-liquid separator (14) is disposed between the oil outlet of the four-way valve (7) and the air inlet of the compressor (8).
7. The dual cold and heat source fresh air humidity control unit according to claim 1, wherein the water outlet pipeline (3) comprises a first water outlet pipe (31) and a second water outlet pipe (32), the first water outlet pipe (31) is communicated with the surface cooler (1), the second water outlet pipe (32) is communicated with the first channel of the heat exchanger (6), a water discharge control valve (33) for controlling whether the second water outlet pipe (32) is communicated is arranged on the second water outlet pipe (32), the second water outlet pipe (32) extends from a pipeline at one end of the water discharge control valve (33) to form a bypass pipeline (34), and the other end of the bypass pipeline (34) is communicated with a pipeline at the other end of the water discharge control valve (33).
8. The dual cold and heat source fresh air humidity conditioning unit as recited in claim 1, wherein the first branch is further provided with a first filter (62), and the second branch is further provided with a second filter (52).
9. The fresh air humidity control unit with double cold heat sources as claimed in claim 1, wherein a third filter (41) is further arranged on a pipeline connected with the refrigerating end of the evaporator (4).
10. The fresh air humidity control unit with the double cold and heat sources as claimed in claim 1, wherein the control system comprises a controller, a temperature sensor and a temperature and humidity sensor, the temperature sensor is arranged on pipelines at two ends of the compressor (8), the evaporator (4) and the reheating condenser (5) and between the evaporator (4) and the reheating condenser (5) on the fresh air supply channel, the temperature and humidity sensor is arranged at an air inlet (15) and an air outlet (16) of the unit shell, the temperature sensor and the temperature and humidity sensor are in signal connection with the controller, and the controller is in control connection with the compressor (8) and the fan (12).
CN201922263511.3U 2019-12-16 2019-12-16 Fresh air humidifying unit with double cold and heat sources Active CN211041202U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375323A (en) * 2021-07-20 2021-09-10 广东智博士系统集成控制有限公司 Indoor temperature and humidity regulation and control unit based on double-temperature-regulation all-air dehumidification technology
CN113739557A (en) * 2021-07-21 2021-12-03 广东申菱环境系统股份有限公司 Coupling heat pump drying unit and control method thereof
CN113864920A (en) * 2021-09-24 2021-12-31 珠海格力电器股份有限公司 Dehumidification heat pump air conditioning system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113375323A (en) * 2021-07-20 2021-09-10 广东智博士系统集成控制有限公司 Indoor temperature and humidity regulation and control unit based on double-temperature-regulation all-air dehumidification technology
CN113739557A (en) * 2021-07-21 2021-12-03 广东申菱环境系统股份有限公司 Coupling heat pump drying unit and control method thereof
CN113864920A (en) * 2021-09-24 2021-12-31 珠海格力电器股份有限公司 Dehumidification heat pump air conditioning system

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