CN208090781U - Twin-stage heating air-heater - Google Patents

Twin-stage heating air-heater Download PDF

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Publication number
CN208090781U
CN208090781U CN201820216178.3U CN201820216178U CN208090781U CN 208090781 U CN208090781 U CN 208090781U CN 201820216178 U CN201820216178 U CN 201820216178U CN 208090781 U CN208090781 U CN 208090781U
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heat
heat exchanger
level
heat pump
condensation
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CN201820216178.3U
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Chinese (zh)
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朱宁
武赏磊
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Beijing Sijitong Energy Technology Co Ltd
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Beijing Sijitong Energy Technology Co Ltd
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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]
    • Y02B30/13—Hot air central heating systems using heat pumps

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  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The utility model discloses a kind of twin-stage heating air-heaters, wherein level-one evaporator with heat pump is separately connected level-one heat pump compressor and condensation-evaporating heat exchanger by four-way reversing valve, condensation-evaporating heat exchanger connects level-one evaporator with heat pump by the first expansion valve, forms first circulation circuit；Condensation-evaporating heat exchanger is connected through two level heat pump compressor with heat exchanger, and heat exchanger is connect through the second expansion valve with condensation-evaporating heat exchanger, forms second circulation circuit；System can connect one or more heat exchangers, respectively to multiple room heat supplies；The utility model is realized realizes using heat pump to single or multiple room air heatings have and adapt to low temperature environment in severe cold area, efficiently, is not necessarily to antifreeze advantage.

Description

Twin-stage heating air-heater
Technical field
The utility model is related to heat pump application fields, and in particular to a kind of twin-stage heating air-heater.
Background technology
With energy-saving and environment-friendly requirement, the application that heating is carried out using heat pump is more and more extensive.Existing heat pump heating hot wind Machine is substantially connects an indoor heat exchange cabinet using every air source heat pump, and existing structure shows not in severe cold area Foot, the heating requirement in the area that cannot season oneself to cold.
Utility model content
In order to solve the problems in the existing technology the utility model, provides a kind of realization severe cold area and uses heat pump The twin-stage heating air-heater of heating.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of twin-stage heats up air-heater, including first circulation circuit, second circulation circuit, level-one evaporator with heat pump and cold Solidifying-evaporating heat exchanger；
The level-one evaporator with heat pump connects four-way reversing valve, and the four-way reversing valve is separately connected level-one heat pump compressor One end and condensation-evaporating heat exchanger first passage, the other end of the level-one heat pump compressor connects the four-way commutation Valve, the first passage of the condensation-evaporating heat exchanger connect the input end of level-one evaporator with heat pump by the first expansion valve, are formed First circulation circuit；
The second channel of the condensation-evaporating heat exchanger is through one end of the first passage of two level heat pump compressor and heat exchanger It is connected, the other end of the first passage of the heat exchanger is connect through the second expansion valve with the second channel of condensation-evaporating heat exchanger, Form second circulation circuit.
The heat exchanger is two or more, and more than two heat exchangers are arranged in parallel or series.
Further, further include mounted on outdoor casing；
Level-one evaporator with heat pump, level-one heat pump compressor, four-way reversing valve, condensation-evaporation and heat-exchange are equipped in the casing Device, the first expansion valve, two level heat pump compressor and the second expansion valve；
The level-one evaporator with heat pump is arranged on the outer panel of the casing or top plate；
The heat exchanger setting exchanges heat in cabinet indoors.
Hygrosensor, wind turbine and control system are additionally provided in the interior heat exchange cabinet, the control system includes control Panel processed, the control panel are used to be arranged the air force of indoor temperature, run time section and wind turbine.
The hygrosensor includes the first hygrosensor, second temperature detector and third hygrosensor；
The interior heat exchanger case includes heat exchanger in heat exchange cabinet in the first indoor heat exchange cabinet, second Room and third room Case；
First hygrosensor setting is in the first indoor heat exchange cabinet, and the second temperature detector setting is the In two indoor heat exchange cabinets, the third hygrosensor, which is arranged in third room, to exchange heat in cabinet；
When the heat exchanger in heat exchange cabinet in the described first indoor heat exchange cabinet, second Room and third room in heat exchange cabinet simultaneously When connection, in exchange heat in the described first indoor heat exchange cabinet, second Room cabinet and third room in the inlet line of heat exchange cabinet respectively Equipped with solenoid valve, the solenoid valve connects control panel by controlling signal.
The level-one heat pump compressor connects the four-way reversing valve by the first vapour liquid separator；
The second channel of the condensation-evaporating heat exchanger connects the two level heat pump by the second vapour liquid separator and compresses Machine.
The first circulation circuit and first circulation circuit use different circulating refrigerants.
The first circulation circuit uses low temperature environment refrigerant, the second circulation circuit to use hot environment refrigerant.
The utility model is by being arranged multiple heat exchangers in parallel or series, respectively to multiple room heat supplies, with realizing severe cold Area uses heat pump heating, the advantages of reaching efficiency higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of the one-to-one mode for the twin-stage heating air-heater that the utility model embodiment provides；
The one of the twin-stage heating air-heater parallel connection that Fig. 2 provides for the utility model embodiment drags multimode structural representation Figure；
Fig. 3 is the magnified partial view of Fig. 2；
Fig. 4 is that multimode structural schematic diagram is dragged in the twin-stage heating air-heater series connection one that the utility model embodiment provides；
Fig. 5 is the magnified partial view of Fig. 4.
In figure：
1 level-one evaporator with heat pump, 2 condensations-evaporating heat exchanger, 3 four-way reversing valves, 4 level-one heat pump compressors, 5 first is swollen Swollen valve, 6 two level heat pump compressors, 7 heat exchangers, 8 second expansion valves, 9 solenoid valves, 10 wind turbines, 11 first hygrosensors, 12 Two hygrosensors, 13 third hygrosensors, 14 first indoor heat exchange cabinets, the interior cabinet that exchanges heat of 15 second Rooms, 16 third rooms Interior heat exchange cabinet, 17 first vapour liquid separators, 18 second vapour liquid separators.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, but not as the restriction to the utility model.
Referring to Fig. 1, a kind of twin-stage heating air-heater, including first circulation circuit, second circulation circuit, level-one thermo-compression evaporation Device 1 and condensation-evaporating heat exchanger 2；
Level-one evaporator with heat pump 1 connects four-way reversing valve 3, and four-way reversing valve 3 is separately connected the one of level-one heat pump compressor 4 The other end of the first passage at end and condensation-evaporating heat exchanger 2, level-one heat pump compressor 4 connects four-way reversing valve 3, condensation-steaming The first passage for sending out heat exchanger 2 connects the input end of level-one evaporator with heat pump 1 by the first expansion valve 5, forms first circulation and returns Road；
The one end of the second channel of condensation-evaporating heat exchanger 2 through two level heat pump compressor 6 Yu the first passage of heat exchanger 7 It is connected, the other end of the first passage of heat exchanger 7 is connect through the second expansion valve 8 with the second channel of condensation-evaporating heat exchanger 2, Form second circulation circuit.
The utility model keeps system failure rate lower, regulation and control are more convenient, by rising twice by the way that two circulation loops are arranged Temperature, i.e., by twin-stage heating using double stage heat pump carry out secondary temperature elevation, by first order heat pump absorb air in heat, generate compared with Low temperature can thus reduce the heating temperature of first order heat pump, and to make the less burden of heat pump, enhancing heat pump is to low temperature Adaptability, two level heat pump absorb level-one temperature and are heated up again, generate higher temperature and realize heating, to realize in severe cold The use in area, end can connect separate unit or more indoor units, indoor unit start according to indoor temperature.The utility model can be reduced Heat pump compressor reduces the loss of heat pump.First order heat pump is the direct air absorbed in peripheral environment, and environment temperature is to heat absorption It is affected, so the burden of heat pump can be reduced by generating lower temperature in low temperature environment first order heat pump, so as to more adapt to Low temperature.
Referring to Fig. 2-Fig. 5, in the present embodiment, heat exchanger 7 is two or more, and more than two heat exchangers 7 are in parallel or series Setting.
Further include mounted on outdoor casing in the present embodiment；
It is changed equipped with level-one evaporator with heat pump 1, level-one heat pump compressor 4, four-way reversing valve 3, condensation-evaporation in the casing Hot device 2, the first expansion valve 5, two level heat pump compressor 6 and the second expansion valve 8；
Level-one evaporator with heat pump 1 is arranged on the outer panel of the casing or top plate；
The setting of heat exchanger 7 exchanges heat in cabinet indoors.
In the present embodiment, hygrosensor, wind turbine 10 and control system, the control system are additionally provided in indoor heat exchange cabinet System includes control panel, and the control panel is used to be arranged the air force of indoor temperature, run time section and wind turbine.
Control panel is for being arranged twin-stage heating air-heater run time section, and the operation of such as office space, only daytime, interior is changed The outer machine that the heat exchanger of heat engine case is run in then casing can also be run, when not being section at runtime, outer machine and interior The heat exchanger of heat exchange cabinet will not all start.
Referring to Fig. 2 and Fig. 4, in the present embodiment, the hygrosensor includes that the first hygrosensor 11, second temperature are visited Survey device 12 and third hygrosensor 13；
The interior heat exchanger case includes being changed in the first indoor heat exchange cabinet 14, the interior heat exchange cabinet 15 of second Room and third room Heat engine case 16；
In the first indoor heat exchange cabinet 14, second temperature detector 12 is arranged second the setting of first hygrosensor 11 15 in indoor heat exchange cabinet, third hygrosensor 13 is arranged in third room 16 in the cabinet that exchanges heat；
When the heat exchanger in heat exchange cabinet 15 in the first indoor heat exchange cabinet 14, second Room and third room in heat exchange cabinet 16 When 7 parallel connection, in exchange heat in the first indoor heat exchange cabinet 14, second Room cabinet 15 and third room in the inlet line of heat exchange cabinet 16 It is respectively equipped with solenoid valve 9, solenoid valve 9 connects control panel by controlling signal.
The indoor heat exchange cabinet of the utility model is divided into one-to-one or one drags multi-form, and one drags and multi-form is divided into parallel one Drag mostly dragged with parallel one it is more.
Wherein, one-to-one form is in system comprising an indoor heat exchange cabinet；Parallel one drags in mostly system and includes Liang Tai and two or more indoor heat exchange cabinet, indoor heat exchange cabinet are parallel form between each other；Tandem one, which is dragged, is mostly Include Liang Tai and two or more indoor heat exchange cabinet in system, indoor heat exchange cabinet is cascade between each other.
The one or more heat exchangers of connection can be arranged in the utility model, respectively to multiple room heat supplies；The utility model is real Present severe cold area is realized using heat pump to single or multiple room air heatings, is had and is adapted to low temperature environment, efficiently, without anti- The advantages of jelly.
In the present embodiment, level-one heat pump compressor 4 connects four-way reversing valve 3 by the first vapour liquid separator 17；
The second channel of condensation-evaporating heat exchanger 2 connects two level heat pump compressor 6 by the second vapour liquid separator 18.
In the present embodiment, the first circulation circuit and first circulation circuit use different circulating refrigerants.
In the present embodiment, the first circulation circuit uses low temperature environment refrigerant, the second circulation circuit to use high temperature Environment refrigerant.
The compressor of different refrigerants may be selected in the level-one heat pump and two level heat pump of the utility model, such as:Level-one, which is selected, to be adapted to The compressor of low temperature environment refrigerant, two level can thus be obtained high using the compressor for producing high temperature refrigerant in low temperature environment Wind is warmed, the compressor per level-one reduces the loss of equipment, prolong the service life all in suitable work status.
The utility model also provides a kind of control method carrying out heating using above-mentioned twin-stage heating air-heater, including with Lower step：
When only there are one heat exchanger when, by the first hygrosensor send the first temperature information to control system, it is described Control system controls the wind turbine start and stop in heat pump and indoor heat exchange cabinet according to set temperature and the first temperature information received； The operation of heat pump refers to the operation in first circulation circuit and second circulation circuit.
When operation, when the first hygrosensor temperature is less than set temperature, start heat pump and wind turbine, when the first temperature is visited When survey device temperature reaches set temperature, stop heat pump and wind turbine；
When multiple heat exchanger parallel connections, sent out by the first hygrosensor, second temperature detector, third hygrosensor Send temperature information to control system, the control system controls opening for heat pump according to set temperature and the temperature information of reception Stop；
When operation, when arbitrary temp detector temperature is less than set temperature, start heat pump and corresponding indoor heat exchanger Wind turbine in case and open respective chambers heat exchange cabinet inlet line solenoid valve, when hygrosensor temperature reaches setting temperature When spending, then stops the wind turbine in respective chambers heat exchange cabinet and closes the solenoid valve of the inlet line of respective chambers heat exchange cabinet, When all hygrosensor temperature reach set temperature, then stop heat pump；
When multiple heat exchangers are connected, sent out by the first hygrosensor, second temperature detector, third hygrosensor Send temperature information to control system, the control system controls opening for heat pump according to set temperature and the temperature information of reception Stop；
When operation, when arbitrary temp detector temperature is less than set temperature, start heat pump and corresponding indoor heat exchanger Wind turbine in case then stops the wind turbine in respective chambers heat exchange cabinet, works as institute when hygrosensor temperature reaches set temperature When thering is hygrosensor temperature to reach set temperature, then stop heat pump.
Embodiment described above, only one kind of the utility model more preferably specific implementation mode, the skill of this field The usual variations and alternatives that art personnel carry out within the scope of technical solutions of the utility model should all be included in the guarantor of the utility model It protects in range.

Claims (8)

  1. The air-heater 1. a kind of twin-stage heats up, which is characterized in that steamed including first circulation circuit, second circulation circuit, level-one heat pump Send out device and condensation-evaporating heat exchanger；
    The level-one evaporator with heat pump connects four-way reversing valve, and the four-way reversing valve is separately connected the one of level-one heat pump compressor The other end of the first passage at end and condensation-evaporating heat exchanger, the level-one heat pump compressor connects the four-way reversing valve, institute The first passage for stating condensation-evaporating heat exchanger connects the input end of level-one evaporator with heat pump by the first expansion valve, forms first Circulation loop；
    One end phase of the second channel of the condensation-evaporating heat exchanger through two level heat pump compressor with the first passage of heat exchanger Even, the other end of the first passage of the heat exchanger is connect through the second expansion valve with the second channel of condensation-evaporating heat exchanger, shape At second circulation circuit.
  2. The air-heater 2. twin-stage according to claim 1 heats up, which is characterized in that the heat exchanger is more than two, two Above heat exchanger is arranged in parallel or series.
  3. The air-heater 3. twin-stage according to claim 1 or 2 heats up, which is characterized in that further include mounted on outdoor casing；
    Level-one evaporator with heat pump, level-one heat pump compressor, four-way reversing valve, condensation-evaporating heat exchanger, the are equipped in the casing One expansion valve, two level heat pump compressor and the second expansion valve；
    The level-one evaporator with heat pump is arranged on the outer panel of the casing or top plate；
    The heat exchanger setting exchanges heat in cabinet indoors.
  4. The air-heater 4. twin-stage according to claim 3 heats up, which is characterized in that be additionally provided with temperature in the interior heat exchange cabinet It includes control panel to spend detector, wind turbine and control system, the control system, and the control panel is for being arranged Indoor Temperature The air force of degree, run time section and wind turbine.
  5. The air-heater 5. twin-stage according to claim 4 heats up, which is characterized in that the hygrosensor includes the first temperature Detector, second temperature detector and third hygrosensor；
    The interior heat exchanger case includes the cabinet that exchanges heat in heat exchange cabinet in the first indoor heat exchange cabinet, second Room and third room；
    In the first indoor heat exchange cabinet, the second temperature detector is arranged in second Room for the first hygrosensor setting In interior heat exchange cabinet, the third hygrosensor, which is arranged in third room, to exchange heat in cabinet；
    When the heat exchanger in heat exchange cabinet in the described first indoor heat exchange cabinet, second Room and third room in heat exchange cabinet is in parallel When, it sets respectively in the inlet line for the cabinet that exchanges heat in heat exchange cabinet and third room in the first indoor heat exchange cabinet, second Room There are solenoid valve, the solenoid valve to connect control panel by controlling signal.
  6. The air-heater 6. twin-stage according to claim 5 heats up, which is characterized in that the level-one heat pump compressor passes through first Vapour liquid separator connects the four-way reversing valve；
    The second channel of the condensation-evaporating heat exchanger connects the two level heat pump compressor by the second vapour liquid separator.
  7. The air-heater 7. twin-stage according to claim 1 heats up, which is characterized in that the first circulation circuit and first circulation Circuit uses different circulating refrigerants.
  8. The air-heater 8. twin-stage according to claim 2 heats up, which is characterized in that the first circulation circuit uses low temperature ring Border refrigerant, the second circulation circuit use hot environment refrigerant.
CN201820216178.3U 2018-02-07 2018-02-07 Twin-stage heating air-heater Active CN208090781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820216178.3U CN208090781U (en) 2018-02-07 2018-02-07 Twin-stage heating air-heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820216178.3U CN208090781U (en) 2018-02-07 2018-02-07 Twin-stage heating air-heater

Publications (1)

Publication Number Publication Date
CN208090781U true CN208090781U (en) 2018-11-13

Family

ID=64063879

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820216178.3U Active CN208090781U (en) 2018-02-07 2018-02-07 Twin-stage heating air-heater

Country Status (1)

Country Link
CN (1) CN208090781U (en)

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