CN110986205A - Cooling, heating and dehumidifying system cooperatively controlled by electronic expansion valve and one-way valve - Google Patents
Cooling, heating and dehumidifying system cooperatively controlled by electronic expansion valve and one-way valve Download PDFInfo
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- CN110986205A CN110986205A CN201911304864.1A CN201911304864A CN110986205A CN 110986205 A CN110986205 A CN 110986205A CN 201911304864 A CN201911304864 A CN 201911304864A CN 110986205 A CN110986205 A CN 110986205A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- 238000001816 cooling Methods 0.000 title claims abstract description 50
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- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 37
- 238000012546 transfer Methods 0.000 claims description 12
- 238000007791 dehumidification Methods 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 4
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- 229910052802 copper Inorganic materials 0.000 description 2
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- 238000011161 development Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention provides a cooling, heating and dehumidifying system cooperatively controlled by an electronic expansion valve and a one-way valve, which is used for solving the problems that an air conditioning system is complex in structure, poor in compatibility, very complicated in installation and debugging, inconvenient to use, incapable of well solving the problem of installation when being matched with a radiation refrigerating and heating system and the like. The device comprises a compression device, a heat exchange device, a throttling device, a cooling and dehumidifying unit and a heating unit, wherein the compression device, the heat exchange device, the throttling device, the cooling and dehumidifying unit and the heating unit are sequentially connected in series, a controller is arranged on the cooling and dehumidifying unit, and the controller is connected with a temperature sensing probe I and a temperature sensing probe II. The invention can supply circulating medium to the working medium direct-supply radiant heating heat exchange system of the floor or the wall board, can also circularly treat indoor wind, meets the requirements of heating, refrigerating, dehumidifying and the like, and is convenient to install and debug.
Description
Technical Field
The invention relates to the technical field of indoor heating and cooling, in particular to a cooling, heating and dehumidifying system cooperatively controlled by an electronic expansion valve and a one-way valve.
Background
At present, with the rapid development of technological innovation and manufacturing technology, a digital scroll compressor and a two-stage compression compressor are introduced in the field of heat pump compressors, so that a heat pump system can stably operate at an outdoor temperature of below-30 ℃, has high operation energy efficiency ratio and operation stability, and opens up a new way for the use of a wind source heat pump in the field of heating. In patents with application numbers ZL 200820071027. x, ZL201010502398.0, ZL201220275353.9, ZL201220275358.1, ZL200820071026.5 and the like, intensive research is carried out on phase change radiation heating and the like, and although corresponding system results are obtained, cooling and heating operation is energy-saving and stable, the system is complex in structure and poor in compatibility, installation and debugging are very complicated, use is inconvenient, and the problems of installation and the like when the existing unit or system is matched with a radiation cooling and heating system cannot be well solved.
Disclosure of Invention
The invention provides a cooling, heating and dehumidifying system cooperatively controlled by an electronic expansion valve and a one-way valve, aiming at the problems of complex structure, poor compatibility, very complicated installation and debugging, inconvenient use, incapability of well solving the installation problem when the air conditioning system is matched with a radiation cooling, heating and dehumidifying system, and realizing the purposes of supplying circulating media to a working medium direct-supply radiation heating heat exchange system of a floor or a wall plate, circularly processing indoor wind, meeting the requirements of heating, refrigerating, dehumidifying and the like, and simultaneously being convenient to install and debug.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an electronic expansion valve and check valve cooperative control's cooling heating dehumidification system, includes compressor arrangement, heat transfer device, throttling arrangement, cooling dehumidification unit and heating unit, compressor arrangement, heat transfer device, throttling arrangement, cooling dehumidification unit and heating unit are series connection in proper order, and wherein compressor arrangement, heat transfer device and throttling arrangement all set up in outdoor host computer, and cooling dehumidification unit and heating unit all set up indoor, be provided with the controller on the cooling dehumidification unit, compressor arrangement, heat transfer device and throttling arrangement all are connected with the controller, the controller is connected with temperature sensing probe I that is used for detecting indoor temperature and temperature sensing probe II that is used for detecting floor temperature.
The compressor comprises a compressor, the compressor is respectively connected with a four-way valve and a liquid storage tank, the four-way valve is connected with the liquid storage tank, the four-way valve is connected with a heat exchange device, the four-way valve is connected with a heating unit through a liquid supply pipe, and the compressor and the four-way valve are both connected with a controller.
The heat exchange device comprises a heat exchanger I and a fan I matched with the heat exchanger I, the fan I is connected with the controller, and the heat exchanger I is respectively connected with the four-way valve and the throttling device.
The throttling device comprises an electronic expansion valve I, the electronic expansion valve I is connected with the controller, the electronic expansion valve I is connected with the heat exchanger I, and the electronic expansion valve I is connected with the cooling and dehumidifying unit through a liquid return pipe.
The cooling and dehumidifying unit comprises an indoor air duct machine 1, a heat exchanger II and a fan II matched with the heat exchanger II are arranged in the indoor air duct machine 1, the fan II is connected with the controller, and the heat exchanger II is connected with a liquid return pipe and a heating unit respectively.
The heating unit is connected with the liquid supply pipe through a three-way pipe I and connected with the heat exchanger II through a three-way pipe II; the main part of the three-way pipe I is connected with a liquid supply pipe, one branch of the three-way pipe I is connected with a heating unit through a one-way valve I, and the other branch of the three-way pipe I is connected with an outlet of a one-way valve II; and a main branch of the three-way pipe II is connected with the heat exchanger II through a connecting pipe, one branch of the three-way pipe II is connected with the heating unit, the other branch of the three-way pipe II is connected with an inlet of the one-way valve II, and an electronic expansion valve II is arranged between one branch of the three-way pipe II and the heating unit.
Be provided with the filter between cross valve and the feed pipe, be provided with stop valve I on the liquid return pipe, be provided with stop valve II and stop valve II on the feed pipe and be located between filter and the heating unit.
The heat preservation cotton is wrapped on the outer portions of pipelines connected among the heat exchanger I, the compressor, the electronic expansion valve I, the stop valve I and the stop valve II and the outer portions of the electronic expansion valve I and the electronic expansion valve II.
The heating unit comprises an underground coil pipe, and the underground coil pipe is respectively connected with the three-way pipe I and the three-way pipe II.
The heating unit includes 2 and buries the coil pipe, and 2 bury the coil pipe parallelly connected for a set of, bury the coil pipe 2 and all connect tee pipe I, connect tee pipe II through electronic expansion valve II through check valve I.
According to the invention with the structure, the heating or cooling treatment is carried out on the floor by virtue of the working medium direct supply floor (wall plate and floor) heat exchange system, the air duct machine is used for filtering, dehumidifying, cooling, heating and the like on fresh air and indoor circulating air, and the heating, cooling, dehumidifying, fresh air supplying and the like of an indoor system are realized; the floor is continuously and circularly heated in the circulating space, so that the temperature of the floor is kept constant, the comfort level is high, the cooling and heating are automatically switched, the filtering, dehumidifying, heating, refrigerating, fresh air supplying and the like are realized, and meanwhile, the installation and debugging are convenient; the invention has the advantages of simple and reasonable structural design, easy installation, lower manufacturing cost, small input power, high energy efficiency ratio, energy conservation, environmental protection, low noise and strong practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure, 1 is outdoor host computer, 2 is heat exchanger I, 4 is the compressor, 5 is the cross valve, 6 is the liquid storage pot, 7 is electronic expansion valve I, 8 is fan I, 9 is the liquid return pipe, 10 is the feed pipe, 12 is electronic expansion valve II, 17 is indoor tuber, 18 is heat exchanger II, 19 is fan II, 20 is the controller, 22 is temperature sensing probe II, 23 is check valve I, 24 is check valve II, 25 is temperature sensing probe I, 62 is the filter, 63 is stop valve I, 64 is stop valve II, 94 is tee bend pipe II, 95 is tee bend pipe I.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
As shown in fig. 1, the invention provides a cooling, heating and dehumidifying system cooperatively controlled by an electronic expansion valve and a one-way valve, which comprises a compression device, a heat exchange device, a throttling device, a cooling and dehumidifying unit and a heating unit, wherein the compression device, the heat exchange device and the throttling device are all arranged in an outdoor host 1, the cooling and dehumidifying unit and the heating unit are all arranged indoors, and the compression device, the heat exchange device, the throttling device, the cooling and dehumidifying unit and the heating unit are sequentially connected in series, so that fresh air and indoor circulating air are filtered, dehumidified, cooled and the like, heating, cooling and fresh air supply are carried out on an indoor system, the automatic switching function of cooling and dehumidifying in summer and floor heating in winter can be realized, and the requirements of dehumidification, refrigeration and heating are met.
Specifically, compressor arrangement includes compressor 4, and compressor 4 is connected with cross valve 5 and liquid storage pot 6 respectively, and cross valve 5 and liquid storage pot 6 are connected, heat transfer device is connected to cross valve 5, and cross valve 5 passes through the liquid feed pipe 10 and is connected with the heating unit, specifically does heat transfer device include heat exchanger I2 and with heat exchanger I2 assorted fan I8, fan 8 installs in the rear of heat exchanger I2, fan 8 is favorable to promoting the process of the 2 heat exchanges of heat exchanger, makes the continuous circulation of indoor air flow, reaches the purpose of heating. The heat exchanger I2 is connected with the four-way valve 5, so that the interconversion between refrigeration and heating is realized; the liquid storage tank 6 is used for storing the condensate of the heat exchanger I2, and the condensate is prevented from being accumulated in the heat exchanger I2 too much to reduce the heat transfer area and influence the heat transfer effect of the heat exchanger I2. The heat exchanger I2 is connected with a throttling device, the throttling device comprises an electronic expansion valve I7, the electronic expansion valve I7 is connected with the heat exchanger I2, the electronic expansion valve I7 is connected with a cooling and dehumidifying unit through a liquid return pipe 9, the electronic expansion valve I7 can control the flow of refrigerant required by the heat exchanger I2 by controlling the pressure drop of the flowing refrigerant, and the target superheat degree is controlled, so that the compressor 4 is prevented from being damaged along with liquid impact when the compressor 4 sucks air, the service life of the compressor 4 is prolonged, and the stable operation of the whole system is ensured. A filter 62 is arranged between the four-way valve 5 and the liquid supply pipe 10, and the filter 62 can filter impurities in a pipeline of the refrigeration system, and can be used for storing and supplying liquid refrigerant in the refrigeration system, and compensating and adjusting the profit and loss of the liquid refrigerant in time. The liquid return pipe 9 is provided with a stop valve I63, the liquid supply pipe 10 is provided with a stop valve II 64, the stop valve II 64 is positioned between the filter 62 and the heating unit, and the stop valve I63 and the stop valve II 64 are respectively used for controlling the flow direction of refrigerant in the outdoor unit so as to prevent the refrigerant from flowing back or running off. The cooling and dehumidifying unit comprises an indoor air duct machine 17, the controller 20 is installed on the inner side of a shell of the indoor air duct machine 17, a heat exchanger II 18 and a fan II 19 matched with the heat exchanger II 18 are arranged in the indoor air duct machine 17, the fan II 19 is arranged behind the heat exchanger II 18, the process of promoting heat exchange of the heat exchanger II 18 is achieved, indoor air continuously circulates and flows, and the purpose of refrigerating or heating is achieved. And the heat exchanger II 18 is respectively connected with the liquid return pipe 9 and the heating unit, so that the conversion of refrigeration or heating is realized.
The heating unit is connected with the liquid supply pipe 10 through a three-way pipe I95 and connected with the heat exchanger II 18 through a three-way pipe II 94; specifically, the heating unit comprises an underground coil pipe 40, and the underground coil pipe 40 is respectively connected with a three-way pipe I95 and a three-way pipe II 94. The main part of the three-way pipe I95 is connected with the liquid supply pipe 10, one branch of the three-way pipe I95 is connected with the heating unit through a one-way valve I23, and the other branch of the three-way pipe I95 is connected with the outlet of a one-way valve II 24; the main part of the three-way pipe II 94 is connected with the heat exchanger II 18 through a connecting pipe, one branch of the three-way pipe II 94 is connected with the heating unit, the other branch of the three-way pipe II 94 is connected with the inlet of the one-way valve II 24, and the one-way valve I23 and the one-way valve II 24 are used for controlling the flow direction of liquid, so that the liquid can uniformly and stably flow in a circulating manner, and the uniform floor heating is realized; an electronic expansion valve II 12 is arranged between one branch of the three-way pipe II 94 and the heating unit, and the electronic expansion valve II 12 is used as a control switch to control the liquid flow, so that the automatic adjustment of energy supply is realized, and the stable operation of the whole system is ensured. Preferably, the outside of the pipeline that connects between heat exchanger I2, compressor 4, electronic expansion valve I7, stop valve I63 and the stop valve II 64 and the outside of electronic expansion valve I7 and electronic expansion valve II 12 all wrap up the heat preservation cotton, and the heat preservation cotton is used for preventing temperature loss and copper pipe ageing, if the heat preservation cotton drops in a large number, the copper pipe will be exposed outside for a long time, causes the oxidation to turn black and reduce life, can influence the result of use of air conditioner simultaneously.
The cooling and dehumidifying unit is provided with a controller 20, and the controller 20 is installed inside a casing of the indoor air duct machine 17. The compression device, the heat exchange device and the throttling device are all connected with the controller 20, the controller 20 is connected with a temperature sensing probe I25 used for detecting indoor temperature and a temperature sensing probe II 22 used for detecting floor temperature, and the controller 20 receives information detected by the temperature sensing probe I25 and the temperature sensing probe II 22. The controller 20 is connected with the control device in a wired or wireless manner, the controller 20 can be used for controlling indoor temperature parameters, on/off states, function selection and the like, a user sends an instruction to the controller 20 through the control device to complete setting of relevant parameters, and meanwhile the controller 20 can feed back received information to the control device so that the user can check the information conveniently. The compressor 4, the four-way valve 5, the fan I8, the fan II 19, the electronic expansion valve I7 and the electronic expansion valve II 12 are all connected with the controller 20, and the controller 20 receives an instruction sent by control equipment and controls corresponding components to work, so that automatic conversion of cooling and heating is achieved. The indoor air duct machine 17 is characterized in that a power supply is further arranged on the inner side of the shell, the compressor 4, the four-way valve 5, the fan I8, the fan II 19, the electronic expansion valve I7, the electronic expansion valve II 12 and the controller 20 are all connected with the power supply, and the power supply supplies power to all the components in the power-on state.
Example 2
The invention provides a cooling, heating and dehumidifying system cooperatively controlled by an electronic expansion valve and a one-way valve, as shown in fig. 2, the difference between the embodiment and the embodiment 1 is that the heating unit comprises 2 underground coils 40, the 2 underground coils 40 are connected in parallel to form a group, the 2 underground coils 40 are connected with a three-way pipe I95 through a one-way valve I23 and connected with a three-way pipe II 94 through an electronic expansion valve II 12, the mutual communication between the underground coils 40 and a heat exchanger II 18 is realized, and the heating area is effectively increased by arranging the 2 underground coils 40, so that the heating use requirement of a user is met.
Other structures and operation principles are the same as those of embodiment 1, and are not described herein again.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a cooling heating dehumidification system of electronic expansion valve and check valve cooperative control which characterized in that: including compressor arrangement, heat transfer device, throttling arrangement, cooling dehumidification unit and heating unit, compressor arrangement, heat transfer device, throttling arrangement, cooling dehumidification unit and heating unit are series connection in proper order, and wherein compressor arrangement, heat transfer device and throttling arrangement all set up in outdoor host computer (1), and cooling dehumidification unit and heating unit all set up indoor, be provided with controller (20) on the cooling dehumidification unit, compressor arrangement, heat transfer device and throttling arrangement all are connected with controller (20), controller (20) are connected with temperature-sensing probe I (25) that are used for detecting indoor temperature and temperature-sensing probe II (22) that are used for detecting floor temperature.
2. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 1, wherein: the compression device comprises a compressor (4), the compressor (4) is respectively connected with a four-way valve (5) and a liquid storage tank (6), the four-way valve (5) is connected with the liquid storage tank (6), the four-way valve (5) is connected with a heat exchange device, the four-way valve (5) is connected with a heating unit through a liquid supply pipe (10), and the compressor (4) and the four-way valve (5) are both connected with a controller (20).
3. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 2, wherein: the heat exchange device comprises a heat exchanger I (2) and a fan I (8) matched with the heat exchanger I (2), the fan I (8) is connected with a controller (20), and the heat exchanger I (2) is respectively connected with a four-way valve (5) and a throttling device.
4. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 3, wherein: the throttling device comprises an electronic expansion valve I (7), the electronic expansion valve I (7) is connected with a controller (20), the electronic expansion valve I (7) is connected with a heat exchanger I (2), and the electronic expansion valve I (7) is connected with the cooling and dehumidifying unit through a liquid return pipe (9).
5. The system of claim 4, wherein the electronic expansion valve and the one-way valve are cooperatively controlled to provide cooling, heating and dehumidifying, and wherein: the cooling and dehumidifying unit comprises an indoor air duct machine (17), a heat exchanger II (18) and a fan II (19) matched with the heat exchanger II (18) are arranged in the indoor air duct machine (17), the fan II (19) is connected with a controller (20), and the heat exchanger II (18) is connected with a liquid return pipe (9) and a heating unit respectively.
6. A cooling, heating and dehumidifying system with electronic expansion valve and check valve cooperative control according to claim 5, wherein: the heating unit is connected with the liquid supply pipe (10) through a three-way pipe I (95) and connected with the heat exchanger II (18) through a three-way pipe II (94); the main part of the three-way pipe I (95) is connected with the liquid supply pipe (10), one branch of the three-way pipe I (95) is connected with the heating unit through a one-way valve I (23), and the other branch is connected with the outlet of a one-way valve II (24); the main branch of the three-way pipe II (94) is connected with the heat exchanger II (18) through a connecting pipe, one branch of the three-way pipe II (94) is connected with the heating unit, the other branch of the three-way pipe II (94) is connected with the inlet of the one-way valve II (24), and an electronic expansion valve II (12) is arranged between one branch of the three-way pipe II (94) and the heating unit.
7. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 6, wherein: a filter (62) is arranged between the four-way valve (5) and the liquid supply pipe (10), a stop valve I (63) is arranged on the liquid return pipe (9), a stop valve II (64) is arranged on the liquid supply pipe (10), and the stop valve II (64) is positioned between the filter (62) and the heating unit.
8. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 7, wherein: the heat exchanger I (2), the compressor (4), the electronic expansion valve I (7), the outside of the pipeline connected between the stop valve I (63) and the stop valve II (64) and the outside of the electronic expansion valve I (7) and the electronic expansion valve II (12) are wrapped by heat insulation cotton.
9. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 8, wherein: the heating unit comprises an underground coil pipe (40), and the underground coil pipe (40) is respectively connected with a three-way pipe I (95) and a three-way pipe II (94).
10. A cooling, heating and dehumidifying system controlled by cooperation of an electronic expansion valve and a check valve according to claim 8, wherein: the heating unit includes 2 and buries coil pipe (40), and 2 and bury coil pipe (40) parallelly connected and be a set of, 2 bury coil pipe (40) all connect tee pipe I (95) through check valve I (23), connect tee pipe II (94) through electronic expansion valve II (12).
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| CN201911304864.1A CN110986205A (en) | 2019-12-17 | 2019-12-17 | Cooling, heating and dehumidifying system cooperatively controlled by electronic expansion valve and one-way valve |
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| CN201911304864.1A CN110986205A (en) | 2019-12-17 | 2019-12-17 | Cooling, heating and dehumidifying system cooperatively controlled by electronic expansion valve and one-way valve |
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