CN203628908U - Air source heat pump radiation air conditioning system - Google Patents

Abstract

The utility model provides an air source heat pump radiation air conditioning system which comprises an air source heat pump unit, an air conditioning water energy storage tank, a fresh air dehumidifier, radiation terminals and an air conditioning water circulating pipeline. The fresh air dehumidifier and the radiation terminals are connected in parallel, and then the fresh air dehumidifier, the radiation terminals, the air source heat pump unit and the air conditioning water energy storage tank are connected in the air conditioning water circulating pipeline in series. The air source heat pump radiation air conditioning system further comprises solar heat collecting panels, a hot water circulating water pump, a hot water circulating pipeline and a water-water heat exchanger used for carrying out heat exchange with the air conditioning water energy storage tank, wherein the solar heat collecting panels, the hot water circulating water pump and the water-water heat exchanger are all connected in the hot water circulating pipeline in series, and the water-water heat exchanger is arranged in the air conditioning water energy storage tank. According to the air source heat pump radiation air conditioning system, due to the fact that auxiliary solar heating is adopted, the system is high in comfort level and reliable in running, and the running energy consumption of the system can be reduced to a large extent in the winter running process.

Description

Air Source Heat Pump Radiant Air Conditioning System

technical field

The utility model relates to the technical field of heat pump air conditioning systems, in particular to an air source heat pump radiation air conditioning system.

Background technique

The air source heat pump can absorb the low-temperature heat energy in the air, convert it into high-temperature heat energy after being compressed by the compressor, and heat the water temperature. This kind of pump has the characteristics of high efficiency and energy saving. To produce the same amount of hot water, the cost of energy consumed by air-energy water heaters is only 1/4 of that of electric water heaters, and 1/3 of that of gas water heaters. It is more energy-efficient than electric-assisted solar water heaters. However, with the increasing tension of energy forms, the importance of energy conservation is at the forefront, and the energy consumption of air conditioning and heating accounts for about 80% of building energy consumption, which is the main component of building energy consumption. Therefore, saving energy consumption for air conditioning and heating is an important part of energy saving and emission reduction.

In the prior art, air source heat pumps are widely used as the outdoor cooling and heat source for air conditioners in hot summer and cold winter regions, but often the outdoor air temperature in these areas is close to 0 degrees in winter, and the operating efficiency of air source heat pumps is low at this temperature, and the energy consumption in winter is high , and it is also difficult to meet the indoor heating demand. At the same time, the end of the air-conditioning system generally uses a radiation end to meet the air-conditioning needs of modern cities. However, the air humidity in the above-mentioned areas is high in summer, which will easily lead to condensation on the surface of the radiation end and condensed water, which will bring great harm to the use of the air-conditioning system. inconvenient.

Utility model content

The technical problem to be solved by the utility model is to provide an air source heat pump radiant air-conditioning system that adopts solar energy auxiliary heating in winter and is suitable for high-efficiency and energy-saving operation in hot summer and cold winter regions.

In order to solve the above technical problems, the embodiment of the utility model provides an air source heat pump radiant air conditioning system, which is characterized in that it includes: an air source heat pump unit, an air conditioning water storage tank, a fresh air dehumidifier, a radiation terminal and an air conditioning water circulation pipeline ;

After the fresh air dehumidifier and the radiation terminal are connected in parallel, they are connected in series with the air-source heat pump unit and the air-conditioning water storage tank in the air-conditioning water circulation pipeline;

The air-conditioning system also includes: a solar thermal collector plate, a hot water circulation pump, a hot water circulation pipeline, and a water-to-water heat exchanger for exchanging heat with the air-conditioning water energy storage tank;

The solar thermal collector plate, the hot water circulation pump and the water-water heat exchanger are all connected in series in the hot water circulation pipeline, and the water-water heat exchanger is arranged in the air-conditioning water storage tank Inside.

In the air source heat pump radiant air conditioning system described above, a hot water tank is connected in series in the hot water circulation pipeline.

In the air source heat pump radiant air conditioning system described above, the domestic hot water delivery pipeline is arranged on the hot water tank.

In the above-mentioned air source heat pump radiant air-conditioning system, wherein, the hot water circulation pipeline includes: a hot water return pipe; both ends of the hot water return pipe are respectively connected to the output port of the solar The input port of the water-to-water heat exchanger;

The air conditioning system also includes: an electric three-way valve for short-circuiting the water-water heat exchanger; the electric three-way valve includes three interfaces, two of which are arranged on the hot water return pipe, and the other One interface is connected with the water inlet of the hot water circulation pump.

The above-mentioned air source heat pump radiant air conditioning system, wherein the air source heat pump unit includes:

An air source heat pump; a refrigerant circulation pipe for transporting heat generated by the air source heat pump; and a hydraulic module for exchanging heat with the refrigerant circulation pipe;

The air source heat pump and the hydraulic module are respectively connected to the refrigerant circulation pipe.

The air source heat pump radiant air conditioning system as described above, wherein the fresh air dehumidifier is provided with a circulating refrigeration compressor, and the circulating refrigeration compressor includes a compressor, an evaporator, an expansion valve, and is used to transfer its own heat A condenser for the air conditioning water circulation pipeline.

The air source heat pump radiant air conditioning system above, wherein the radiant end is a metal radiant ceiling and/or a capillary radiant plate.

The air source heat pump radiant air-conditioning system provided by the utility model can use the solar heat collecting plate to auxiliary heat the return water of the air conditioning water circulation pipeline in winter, reducing the energy consumption of the air source heat pump; at the same time, the solar heat collecting plate can simultaneously provide indoor domestic hot water. In summer, because the utility model adopts the design of the radiant end and the fresh air dehumidifier, it can well solve the problem of condensation of the radiant module in hot summer and cold winter areas. The air source heat pump radiant air conditioning system of the utility model has high comfort, reliable operation, and can greatly reduce the energy consumption of operation.

Description of drawings

Fig. 1 is a schematic structural view of an air source heat pump radiant air conditioning system according to an embodiment of the present invention;

[Description of Reference Signs]

1: solar collector plate; 2: air source heat pump unit; 3: water-water heat exchanger; 4: air-conditioning water storage tank; 5: hot water tank; 6: fresh air dehumidifier; 7: radiation terminal; 8: heat Water circulation pump; 9: hot water circulation pipeline; 10: electric three-way valve; 11: air conditioning water circulation pipeline; 12: domestic hot water delivery pipeline.

Detailed ways

In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, the following will describe in detail with reference to the drawings and specific embodiments.

As shown in Figure 1, this embodiment provides an air source heat pump radiant air conditioning system, including: air source heat pump unit 2, air conditioning water storage tank 4, fresh air dehumidifier 6, radiation terminal 7 and air conditioning water circulation pipeline 11;

After the fresh air dehumidifier 6 and the radiation terminal 7 are connected in parallel, they are connected in series with the air-source heat pump unit 2 and the air-conditioning water energy storage tank 4 in the air-conditioning water circulation pipeline 11 . That is, the air-conditioning water circulation pipeline 11 is a loop, on which the air-source heat pump unit 2 and the air-conditioning water storage tank 4 are connected in series; the fresh air dehumidifier 6 and the radiation terminal 7 are respectively connected in series with the above two components.

The air source heat pump radiant air-conditioning system of this embodiment also includes: a solar collector plate 1, a hot water circulation pump 8, a hot water circulation pipeline 9, and a water-water heat exchanger 3; the water-water heat exchanger 3 is used for air conditioning The water energy storage tank 4 performs heat exchange; the solar heat collector plate 1, the hot water circulation pump 8 and the water-water heat exchanger 3 are all connected in series in the hot water circulation pipeline 9, and the water-water heat exchanger 3 is arranged in the air-conditioning water storage Energy tank 4. The solar collector plate 1 is placed on the roof at a certain angle; the water-to-water heat exchanger 3 adopts a tubular water-to-water heat exchanger. The air-conditioning water energy storage tank 4 is generally located at the return water end of the air-conditioning water circulation pipeline 11. The water-to-water heat exchanger 3 built in the energy storage tank 4 absorbs the solar heat provided by the solar collector plate 1, and increases the return water temperature of the air source heat pump unit 2 in winter, so as to achieve the purpose of energy-saving operation.

The air-source heat pump radiant air-conditioning system provided in this embodiment, in winter, can use the solar heat collector plate to auxiliary heat the return water of the air-conditioning water circulation pipeline, so that the temperature of the return water will not be too low, thereby optimizing the working time of the air-source heat pump. working conditions, reducing energy consumption; at the same time, the solar collector panels can also provide indoor domestic hot water at the same time. In summer, since this embodiment adopts the design of radiant terminal with fresh air dehumidifier, it can well solve the problem of dew condensation on the radiant module in hot summer and cold winter areas. The air source heat pump radiant air-conditioning system of this embodiment has high comfort, reliable operation, and can greatly reduce operating energy consumption.

On the basis of the above embodiments, a hot water tank 5 is connected in series in the hot water circulation pipeline 9 . The solar collector plate 1 forms a closed circulation loop through the hot water circulation pipeline 9, the hot water tank 5, the air-conditioning water storage tank 4, and the water-water heat exchanger 3, and the hot water circulation power is provided by the hot water circulation pump 8 . The domestic hot water delivery pipe 12 is arranged on the hot water tank 5 . The domestic hot water delivery pipeline 12 can be connected to the indoor faucet from the hot water tank 5, and can provide domestic water for the room at the same time.

On the basis of the above-mentioned embodiments, further, the hot water circulating water pump 8 is provided with a water outlet and a water inlet; The hot water circulation pipeline 9 is connected with the output port of the water-to-water heat exchanger 3 . The hot water circulation pipeline 9 includes: a hot water return pipe; both ends of the hot water return pipe are respectively connected to the output port of the solar collector plate 1 and the input port of the water-to-water heat exchanger 3 . The air source heat pump radiant air conditioning system of this embodiment further includes: an electric three-way valve 10 ; the main purpose of the electric three-way valve 10 is to short-circuit the water-to-water heat exchanger 3 in the hot water circulation pipeline 9 . The electric three-way valve 10 includes three interfaces, two of which are arranged on the above-mentioned hot water return pipe, and the other interface is connected with the water inlet of the hot water circulating water pump 8 . The electric three-way valve 10 is a seasonal switching valve. During summer, the hot water coming out from the hot water tank 5 will directly return to the solar collector plate 1, and will not enter the water-water heat exchanger 3 for circulation, so that the water temperature in the hot water tank 5 is continuously raised; The hot water coming out of the hot water tank 5 will enter the water-water heat exchanger 3 to heat the air-conditioning return water in the air-conditioning water storage tank 4, so as to improve the efficiency of the entire air-conditioning system, thereby achieving the purpose of reducing power consumption.

On the basis of the above embodiments, further, the air source heat pump unit 2 includes: an air source heat pump; a refrigerant circulation pipe for transporting the heat generated by the air source heat pump; A hydraulic module for heat exchange; the air source heat pump and the hydraulic module are respectively connected to the refrigerant circulation pipe. The air source heat pump is generally installed outdoors, and the heat generated (including low-temperature heat during cooling) is heat-exchanged with the hydraulic module, and the hydraulic module enables the internal water medium to obtain the heat of the air-source heat pump through heat exchange. Thus, the entire air source heat pump unit 2 provides cold water at 15 degrees in summer and hot water at 35 degrees in winter for the fresh air dehumidifier 6 and the radiation terminal 7 placed indoors through the air-conditioning water circulation pipeline 11 .

On the basis of the above-mentioned embodiments, further, the fresh air dehumidifier 6 is provided with a circulating refrigeration compressor, which includes a compressor, an evaporator, an expansion valve, and is used to transfer its own heat to the air-conditioning water cycle Condenser in line 11. The compressor is generally a fluorine system compressor. Because the summer water supply temperature of the radiation terminal 7 is generally 18 degrees, and the cold water of 18 degrees cannot meet the requirements of fresh air dehumidification, so the fresh air dehumidifier 6 in this embodiment adopts a fresh air dehumidifier with a built-in circulating refrigeration compressor, which circulates cold water. The heat of the condenser of the compressor is taken away through the air-conditioning water circulation pipeline 11, and the cold water at 18 degrees only plays the role of taking away the heat of condensation.

On the basis of the above embodiments, further, the radiant end 7 is a metal radiant ceiling and/or a capillary radiant panel, which is generally installed on the indoor ceiling, and releases cold/heat into the room in the form of radiation to provide a comfortable indoor temperature.

The foregoing is a preferred embodiment of the present utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (7)

1. an air source heat pump air-conditioning system, is characterized in that, comprising: net for air-source heat pump units, air conditioner water energy storage tank, fresh air dehumidifier, radiation tail end and air conditioner water circulation line;

After described fresh air dehumidifier and described radiation tail end parallel connection, with described net for air-source heat pump units and described air conditioner water energy storage tank, be connected in described air conditioner water circulation line;

Described air-conditioning system also comprises: solar heat-collection plate, hot-water circulating pump, hot water circulating pipeline, and, for the water water-to-water heat exchanger that carries out heat exchange with described air conditioner water energy storage tank;

Described solar heat-collection plate, described hot-water circulating pump and described water water-to-water heat exchanger are all connected in described hot water circulating pipeline, and described water water-to-water heat exchanger is arranged in described air conditioner water energy storage tank.

2. air source heat pump air-conditioning system according to claim 1, is characterized in that, is also in series with boiler in described hot water circulating pipeline.

3. air source heat pump air-conditioning system according to claim 2, is characterized in that, is provided with domestic hot-water's conveyance conduit on described boiler.

4. according to the arbitrary described air source heat pump air-conditioning system of claim 1-3, it is characterized in that, described hot water circulating pipeline comprises: hot water return pipe; The two ends of described hot water return pipe connect respectively the input port of delivery outlet and the described water water-to-water heat exchanger of described solar heat-collection plate;

Described air-conditioning system also comprises: for making the electric T-shaped valve of described water water-to-water heat exchanger short circuit; Described electric T-shaped valve comprises three interfaces, and wherein two interfaces are arranged on described hot water return pipe, and another interface is connected with the water inlet of described hot-water circulating pump.

5. air source heat pump air-conditioning system according to claim 4, is characterized in that, described net for air-source heat pump units comprises:

Air source heat pump; Produce the refrigerant circulation pipe of heat for delivery of described air source heat pump; And, for the hydraulic module that carries out heat exchange with described refrigerant circulation line;

Described air source heat pump and described hydraulic module are connected on described refrigerant circulation pipe.

6. air source heat pump air-conditioning system according to claim 4, it is characterized in that, in described fresh air dehumidifier, be provided with the cool compressor of circulation system, described circularly cooling compressor comprises compressor, evaporimeter, expansion valve, and, for self heat being passed to the condenser of described air conditioner water circulation line.

7. according to the air source heat pump air-conditioning system described in claim 5 or 6, it is characterized in that, described radiation tail end is metal radiation top board and/or capillary type radiant panel.

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