CN215489945U - 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 PDF

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Publication number
CN215489945U
CN215489945U CN202121490792.7U CN202121490792U CN215489945U CN 215489945 U CN215489945 U CN 215489945U CN 202121490792 U CN202121490792 U CN 202121490792U CN 215489945 U CN215489945 U CN 215489945U
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water
heat exchanger
pipeline
hot water
inlet
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CN202121490792.7U
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刘银龙
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Zhejiang Hanlong Energy Technology Co ltd
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Zhejiang Hanlong Energy Technology Co ltd
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Abstract

The utility model 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 unit, 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 high heat exchange efficiency.

Description

Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit
Technical Field
The utility model 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
The low temperature air source heat pump unit has heat pump compressor, evaporator and high efficiency tank condenser as main parts, and the evaporator is fin evaporator connected to copper pipe to compress medium into high temperature and high pressure steam for heating the heat exchanger inside the water tank or the indoor unit of heating air conditioner. 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.
SUMMERY OF THE UTILITY MODEL
The utility model 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 warm 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 utility model is as follows:
a kind of air conditioner, floor heating, hot water trinity low-temperature air source heat pump unit, 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 utility model has the beneficial effects that:
the utility model 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 attached drawing shows a low-temperature air source heat pump unit with air conditioning, floor heating and hot water integration, which comprises the following system pipelines: 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 17, 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 17, 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 18 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 utility model 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 utility model, 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 low-temperature air source heat pump unit integrating air conditioning, floor heating and hot water into a whole comprises a PID controller (18), a compressor (2), a heat exchange system, an evaporator (1) and a gas-liquid separator (13), wherein the compressor (2), the heat exchange system, the evaporator (1) and the gas-liquid separator are sequentially and circularly conducted through pipelines of transmission media; 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 air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit as claimed in claim 1, characterized in that: 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 air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit as claimed in claim 2, characterized in that: 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 air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit as claimed in claim 3, characterized in that: 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 (17), 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 (17) 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 air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit as claimed in claim 4, characterized in that: 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 air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit as claimed in claim 5, characterized in that: 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 air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit as claimed in claim 6, characterized in that: 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.
CN202121490792.7U 2021-07-01 2021-07-01 Air conditioner, floor heating and hot water three-in-one low-temperature air source heat pump unit Active CN215489945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121490792.7U CN215489945U (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
CN202121490792.7U CN215489945U (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
CN215489945U true CN215489945U (en) 2022-01-11

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CN (1) CN215489945U (en)

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