CN113357691A - Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit - Google Patents
Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit Download PDFInfo
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- CN113357691A CN113357691A CN202110746661.9A CN202110746661A CN113357691A CN 113357691 A CN113357691 A CN 113357691A CN 202110746661 A CN202110746661 A CN 202110746661A CN 113357691 A CN113357691 A CN 113357691A
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- water
- heat exchanger
- pipeline
- inlet
- way valve
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Classifications
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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
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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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
- F24D17/00—Domestic hot-water supply systems
- F24D17/02—Domestic hot-water supply systems using heat pumps
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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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
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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
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
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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
- F24F11/84—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 using valves
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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
- F24F5/0007—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 cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
Abstract
The invention relates to a heating and ventilation equipment device. The technical scheme is as follows: a kind of air conditioner, floor heating, hot water trinity low-temperature air source heat pump set, including PID controller and circulating the compressor, heat exchange system, evaporator, vapour and liquid separator that switch on sequentially through the pipeline of the transmission medium, the said heat exchange system includes circulating the compressor, water tank heat exchanger and water fluorine heat exchanger that switch on sequentially through the pipeline of the transmission medium; the heat exchange system comprises a water tank heat exchanger and a water fluorine heat exchanger; the economizer, the drying filter and the liquid storage tank are sequentially communicated with the water-fluorine heat exchanger and the evaporator through pipelines for transmission media; the method is characterized in that: the compressor is simultaneously communicated with the water tank heat exchanger and the water-fluorine heat exchanger through a switching medium pipeline; the PID controller is electrically connected with the components through control lines and is electrically connected with the sensors of the components through monitoring lines. The unit can simultaneously meet the supply of cold and warm air, floor heating and domestic hot water, and has the characteristic of high heat exchange efficiency.
Description
Technical Field
The invention relates to a heating and ventilation device, in particular to a low-temperature air source heat pump unit which integrates air conditioning, floor heating and hot water and is added with domestic hot water priority on the basis of the conventional air conditioning unit.
Background
A low-temperature air source heat pump unit is composed of heat pump compressor, evaporator and efficient condenser, the evaporator is fin evaporator, the compressor is connected to copper tube for compressing medium to high-temp and-pressure steam, and the heat exchanger in water tank or indoor unit of air conditioner is heated. It is a refrigerating and heating equipment widely used in various occasions. However, in villas, hotels and restaurants, a large amount of domestic hot water is needed besides cooling and heating, and therefore a set of low-temperature environment heat pump hot water system must be additionally installed to ensure the use of the domestic hot water.
Disclosure of Invention
The invention aims to overcome the defects in the background technology and provides the air-conditioning, floor heating and hot water three-in-one low-temperature air source heat pump unit which can simultaneously meet the supply of cold and hot air, floor heating and domestic hot water and has the characteristics of energy conservation, environmental protection and high heat exchange efficiency.
The technical scheme of the invention is as follows:
a kind of air conditioner, floor heating, hot water trinity low-temperature air source heat pump set, including PID controller and circulating the compressor, heat exchange system, evaporator, vapour and liquid separator that switch on sequentially through the pipeline of the transmission medium, the said heat exchange system includes circulating the compressor, water tank heat exchanger and water fluorine heat exchanger that switch on sequentially through the pipeline of the transmission medium; the heat exchange system comprises a water tank heat exchanger and a water fluorine heat exchanger; the economizer, the drying filter and the liquid storage tank are sequentially communicated with the water-fluorine heat exchanger and the evaporator through pipelines for transmission media; the method is characterized in that: the compressor is simultaneously communicated with the water tank heat exchanger and the water-fluorine heat exchanger through a switching medium pipeline; the PID controller is electrically connected with the components through control lines and is electrically connected with the sensors of the components through monitoring lines.
In the medium switching pipeline, an inlet of the three-way valve is communicated with an exhaust port of the compressor through a medium transmission pipeline, two outlets of the three-way valve are communicated with an inlet of the four-way valve and an inlet of the water tank heat exchanger through the medium transmission pipeline respectively, and three outlets of the four-way valve are communicated with an inlet of the gas-liquid separator, an inlet of the water-fluorine heat exchanger and an outlet of the evaporator through the medium transmission pipeline respectively.
And the outlet of the water tank heat exchanger is sequentially communicated with the inlet of the first one-way valve, the capillary restrictor and the evaporator through pipelines for transmitting media.
The outlet of the water-fluorine heat exchanger is communicated with a first interface of the economizer through a pipeline of a transmission medium, a second interface of the economizer is sequentially communicated with the drying filter, the liquid storage tank, the second one-way valve, the first electronic expansion valve and the inlet of the evaporator through the pipeline of the transmission medium, a third one-way valve is connected between the second interface of the economizer and the second one-way valve through the pipeline of the transmission medium, the second electronic expansion valve is connected between the second interface of the economizer and the third interface through the pipeline of the transmission medium, and the third interface of the economizer is also communicated with an EVI air supplement port of the compressor through the pipeline of the transmission medium.
The water-fluorine heat exchanger is respectively provided with an air conditioner water outlet and an air conditioner water inlet so as to output air conditioner and floor heating cold water or air conditioner and floor heating hot water; the water tank heat exchanger is respectively provided with a cold water inlet and a hot water outlet so as to output domestic hot water.
The PID controller is characterized in that sensors of a plurality of components electrically connected through monitoring wires are as follows: an exhaust temperature sensor and a suction return air temperature sensor on the compressor; a water inlet circulation temperature sensor and a water outlet circulation temperature sensor on the water-fluorine heat exchanger; a water inlet circulation temperature sensor and a water outlet circulation temperature sensor on the water tank heat exchanger; a fin air inlet temperature sensor and a fin air outlet temperature sensor on the evaporator.
The PID controller comprises a compressor, a four-way valve, a three-way valve, a first electronic expansion valve and a second electronic expansion valve which are electrically connected through control lines.
The invention has the beneficial effects that:
the invention redesigns the prior air source heat pump equipment technology through a fluorine system, increases the prior supply of domestic hot water on the basis of the prior air conditioner and floor heating, can fully ensure the simultaneous supply of refrigeration and living hot water in summer and heating and domestic hot water in winter through the full intelligent control of a refrigerant system of the equipment, can also independently provide the supply of the domestic hot water in spring and autumn, does not frost when working at minus 30 ℃, and ensures the normal supply of the refrigeration, the floor heating and the domestic hot water.
Drawings
FIG. 1 is a schematic view showing the connection relationship of the present invention (the temperature sensors and the monitoring lines are omitted for clarity).
FIG. 2 is a second schematic diagram of the connection relationship of the present invention (for clarity, the temperature sensors and the monitoring lines are omitted).
Fig. 3 is a third schematic diagram of the connection relationship of the present invention (for clarity, the temperature sensors and the monitoring lines are omitted).
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following examples.
The air conditioner, floor heating, trinity low temperature air source heat pump set of hot water that the drawing shows, the system line that includes is: the system comprises a compressor 2, a heat exchange system (comprising a water tank heat exchanger 3 and a water fluorine heat exchanger 4), an evaporator 1 (a fin evaporator) and a gas-liquid separator 13 which are sequentially communicated in a circulating manner through pipelines for transmitting media.
The compressor is communicated with a water tank heat exchanger and a water fluorine heat exchanger of the heat exchange system simultaneously through a switching medium pipeline. In the switching medium pipeline, the water tank heat exchanger and the water fluorine heat exchanger are arranged in parallel, the inlet of the three-way valve 11 is communicated with the exhaust port of the compressor through a pipeline of a transmission medium, one outlet of the three-way valve is communicated with the inlet of the four-way valve through a pipeline of a transmission medium, the other outlet of the three-way valve is communicated with the inlet of the water tank heat exchanger through a pipeline of a transmission medium, the first outlet of the four-way valve is communicated with the outlet of the evaporator through a pipeline of a transmission medium, the second outlet of the four-way valve is connected with the inlet of the gas-liquid separator through a pipeline of a transmission medium, and the third outlet of the four-way valve is communicated with the inlet of the water fluorine heat exchanger through a pipeline of a transmission medium.
The water-fluorine heat exchanger is respectively provided with an air conditioner water outlet and an air conditioner water inlet so as to output air conditioner and floor heating cold water or air conditioner and floor heating hot water. The water-fluorine heat exchanger is also sequentially communicated with an economizer 5, a drying filter 9 and a liquid storage tank 6 through pipelines of transmission media.
The outlet of the water-fluorine heat exchanger is communicated with a first interface 5.1 of the economizer through a pipeline of a transmission medium, a second interface 5.2 of the economizer is sequentially communicated with the inlet of the drying filter and the inlet of the liquid storage tank through pipelines of the transmission medium, the outlet of the liquid storage tank is sequentially communicated with the inlet of the second one-way valve 13, the inlet of the first electronic expansion valve 7 and the inlet of the evaporator through pipelines of the transmission medium, and the outlet of the liquid storage tank is also sequentially communicated with the second one-way valve 13, the third one-way valve 14 and the second interface of the economizer through pipelines of the transmission medium. And a second electronic expansion valve 8 is further installed on the economizer, one end of the second electronic expansion valve is communicated with a second interface of the economizer (and is communicated with the input port of the drying filter), and the other end of the second electronic expansion valve is communicated with a third interface of the economizer and is communicated with an EVI air supplement port of the compressor through a pipeline of a transmission medium.
The water tank heat exchanger is respectively provided with a cold water inlet and a hot water outlet so as to output domestic hot water. The outlet of the water tank heat exchanger is sequentially communicated with the first one-way valve 12, the capillary restrictor 16 and the inlet of the evaporator through pipelines for transmitting media.
The unit is also provided with a PID controller 16 which is electrically connected with the sensors on the components one by one through a plurality of monitoring lines respectively, thereby providing basic data for system control.
The sensor that the PID controller switches on through the monitoring line is: an exhaust temperature sensor and a suction return air temperature sensor on the compressor; a water inlet circulation temperature sensor and a water outlet circulation temperature sensor on the water-fluorine heat exchanger; a water inlet circulation temperature sensor and a water outlet circulation temperature sensor on the water tank heat exchanger; a fin air inlet temperature sensor and a fin air outlet temperature sensor on the evaporator. In order to make the drawing clear, each temperature sensor and detection line are omitted in the drawing.
The PID controller also respectively conducts a plurality of components through a plurality of control lines (shown by dotted lines in the figure), the plurality of components comprise a compressor, a four-way valve, a three-way valve, a first electronic expansion valve and a control end of a second electronic expansion valve, and the PID controller controls the components according to data provided by each temperature sensor and preset target data and sends operation control commands to related components.
As shown in fig. 1, in this case, the air conditioner and the floor heating are in an operating state, the medium mainly flows among the compressor, the three-way valve, the four-way valve, the water-fluorine heat exchanger, the economizer, the liquid storage tank, the first electronic expansion valve, the evaporator, the four-way valve, and the gas-liquid separator (the flow direction is shown by arrows in the figure), and the water-fluorine heat exchanger outputs hot water required by the air conditioner for heating and the floor heating to the outside.
As shown in fig. 2, in this case, the domestic hot water is in a preferential operating state, and the medium mainly flows between the compressor, the three-way valve, the tank heat exchanger, the capillary tube restrictor, the evaporator, the four-way valve, and the gas-liquid separator (the flow direction is indicated by arrows in the figure), and the domestic hot water is output from the tank heat exchanger.
As shown in fig. 3, in this case, the air-conditioning refrigeration operation state is achieved, the medium mainly flows between the compressor, the three-way valve, the four-way valve, the evaporator, the economizer, the water-fluorine heat exchanger, the four-way valve, and the gas-liquid separator (the flow direction is indicated by arrows in the figure), and the cold water required for air-conditioning refrigeration is output from the water tank heat exchanger.
The invention uses the compressor to work, compresses the medium into high-temperature high-pressure steam, heats the heat exchange system connected with the compressor, and the PID controller calculates the full intelligent operation control through the PID technology according to the parameters of the fin evaporator temperature, the compressor, the high-efficiency tank condenser temperature, the living water tank temperature, the environment temperature, the defrosting temperature, the suction temperature, the heat pump superheat degree and the like. The PID controller is externally connected with a power supply, and the compressor, the first electronic expansion valve, the second electronic expansion valve, the four-way valve and the three-way valve are all connected with the PID controller; temperature sensors arranged on the fin evaporator, the water tank heat exchanger, the water-fluorine heat exchanger, the economizer and the like are all connected with a PID controller, and the PID controller controls the operation of the compressor and the electronic expansion valve in real time through a PID technology according to data of each temperature point; the temperature sensors in the water tank heat exchanger and the water fluorine heat exchanger sense the temperature of hot water, and the PID controller is used for fully intelligently and automatically monitoring and operating the water outlet, water inlet and water tank temperatures set by a user.
The air conditioner, the floor heating and the hot water are combined into a whole, the unit is stable and reliable in operation, the PID controller automatically turns on or off the air conditioner, the floor heating and the hot water according to real-time temperature control, and the compressor is ensured to work at the best efficiency; according to the invention, the refrigerant absorbs external (sunlight, air, rainwater and wind) heat, the refrigerant with high temperature and high pressure is generated by working of the compressor, and then the refrigerant is input into an efficient heat exchange system (comprising a domestic water tank heat exchanger and a refrigerating and heating water fluorine heat exchanger) to exchange heat with water, the heat exchange efficiency is improved by 45%, the COP is as high as 4.7kW/kW, and the energy-saving effect is obvious.
Claims (7)
1. A kind of air conditioner, floor heating, hot water trinity low-temperature air source heat pump set, including PID controller (14) and circulating the compressor (2), heat exchange system, evaporator (1), vapour and liquid separator (13) that are turned on sequentially through the pipeline of the transmission medium; the heat exchange system comprises a water tank heat exchanger (3) and a water fluorine heat exchanger (4); the economizer (5), the drying filter (9) and the liquid storage tank (6) are sequentially communicated with each other through pipelines of transmission media between the water-fluorine heat exchanger and the evaporator; the method is characterized in that: the compressor is simultaneously communicated with the water tank heat exchanger and the water-fluorine heat exchanger through a switching medium pipeline; the PID controller is electrically connected with the components through control lines and is electrically connected with the sensors of the components through monitoring lines.
2. The heat pump unit of claim 1, comprising: in the medium switching pipeline, an inlet of a three-way valve (11) is communicated with an exhaust port of a compressor through a medium transmission pipeline, two outlets of the three-way valve (11) are respectively communicated with an inlet of a four-way valve and an inlet of a water tank heat exchanger through the medium transmission pipeline, and three outlets of the four-way valve are respectively communicated with an inlet of a gas-liquid separator (13), an inlet of a water-fluorine heat exchanger and an outlet of an evaporator through the medium transmission pipeline.
3. The heat pump unit of claim 2, comprising: the outlet of the water tank heat exchanger is sequentially communicated with the first one-way valve (12), the capillary restrictor (16) and the inlet of the evaporator through a pipeline for transmitting media.
4. The heat pump unit of claim 3, comprising: the outlet of the water-fluorine heat exchanger is communicated with the first interface of the economizer through a pipeline of a transmission medium, the second interface of the economizer is sequentially communicated with the drying filter, the liquid storage tank, the second one-way valve (13), the first electronic expansion valve (7) and the inlet of the evaporator through the pipeline of the transmission medium, the third one-way valve (14) is connected between the second interface of the economizer and the second one-way valve (13) through the pipeline of the transmission medium, the second electronic expansion valve (8) is connected between the second interface of the economizer and the third interface through the pipeline of the transmission medium, and the third interface of the economizer is also communicated with the EVI air supplement port of the compressor through the pipeline of the transmission medium.
5. The heat pump unit of claim 4, comprising: the water-fluorine heat exchanger is respectively provided with an air conditioner water outlet and an air conditioner water inlet so as to output air conditioner and floor heating cold water or air conditioner and floor heating hot water; the water tank heat exchanger is respectively provided with a cold water inlet and a hot water outlet so as to output domestic hot water.
6. The heat pump unit of claim 5, comprising: the PID controller is characterized in that sensors of a plurality of components electrically connected through monitoring wires are as follows: an exhaust temperature sensor and a suction return air temperature sensor on the compressor; a water inlet circulation temperature sensor and a water outlet circulation temperature sensor on the water-fluorine heat exchanger; a water inlet circulation temperature sensor and a water outlet circulation temperature sensor on the water tank heat exchanger; a fin air inlet temperature sensor and a fin air outlet temperature sensor on the evaporator.
7. The heat pump unit of claim 6, comprising: the PID controller comprises a compressor, a four-way valve, a three-way valve, a first electronic expansion valve and a second electronic expansion valve which are electrically connected through control lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746661.9A CN113357691A (en) | 2021-07-01 | 2021-07-01 | Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110746661.9A CN113357691A (en) | 2021-07-01 | 2021-07-01 | Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113357691A true CN113357691A (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110746661.9A Pending CN113357691A (en) | 2021-07-01 | 2021-07-01 | Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit |
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| Country | Link |
|---|---|
| CN (1) | CN113357691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264681A (en) * | 2022-07-05 | 2022-11-01 | 曼茨环境技术有限公司 | High-efficiency variable-frequency triple-generation air conditioning system |
-
2021
- 2021-07-01 CN CN202110746661.9A patent/CN113357691A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115264681A (en) * | 2022-07-05 | 2022-11-01 | 曼茨环境技术有限公司 | High-efficiency variable-frequency triple-generation air conditioning system |
| CN115264681B (en) * | 2022-07-05 | 2023-04-11 | 曼茨环境技术有限公司 | High-efficiency variable-frequency triple-generation air conditioning system |
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