Heat recovery type cold and warm air source with outlet water temperature of 14-19 DEG C

Abstract

The utility model discloses a heat recovery type cold and warm air source with the outlet water temperature of 14-19 DEG C. The heat recovery type cold and warm air source comprises an air source heat pump and a water storage tank, an output port of the air source heat pump is connected with the water storage tank, and the output end of the water storage tank is connected with the water supply end of an air conditioner through a water supply pipeline; the heat exchanger is connected with a bottom output port of the water storage tank, the heat exchanger is connected with the air source heat pump and the condenser through an air pipe and used for guiding waste heat of the condenser and a compressor in the air source heat pump into the heat exchanger, and the output end of the heat exchanger is connected to a water supply pipeline; the output end of the heat exchanger is connected with the multiple sets of air conditioner water supply ends in parallel, and a control valve is installed at the parallel connection position. Waste heat of the condenser of the refrigerating unit and waste heat generated during operation of the heat pump compressor are utilized and connected with the water supply end of the air conditioner in parallel, the temperature of the air conditioner can be compensated through control of the valve, and a user does not need to integrally adjust the output power of the heat pump when adjusting and raising the temperature.

Description

Technical Field

[0001] The utility model relates to the field of air source air conditioning systems, in particular to a heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees. Background Art

[0002] At present, with the development of social economy, more and more air-cooled heat pump units are being adopted by people. In summer, when the air-cooled heat pump unit is running, it will emit a large amount of condensation heat to the environment through the air-side fin heat exchanger. The emission of condensation heat will not only increase the temperature of the city, but also form a "heat island" effect in the city center. If this part of energy can be recovered and utilized, it can not only save energy and reduce carbon dioxide emissions, but also protect the environment. Utility Model Content

[0003] The purpose of the utility model is to provide a heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees, so as to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: comprising an air source heat pump and a water storage tank, wherein the output port of the air source heat pump is connected to the water storage tank, and the output end of the water storage tank is connected to the water supply end of the air conditioner via a water supply pipeline;

[0005] It also includes a heat exchanger, which is connected to the bottom output port of the water storage tank, and is connected to the air source heat pump and the condenser through the air duct, and is used to introduce the waste heat of the condenser and the compressor in the air source heat pump into the heat exchanger, and the output end of the heat exchanger is connected to the water supply pipeline;

[0006] There are multiple groups of air-conditioning water supply ends arranged according to the floor height, the output end of the heat exchanger is connected in parallel with the multiple groups of air-conditioning water supply ends, and a control valve is installed at the parallel connection.

[0007] Preferably, temperature sensors are installed at the input end of the water storage tank and the input end of the water supply pipeline.

[0008] Preferably, it also includes a return water pipeline, one end of which is connected to the return water end of the air conditioner, the other end of which is connected to the circulation pump group, and finally connected to the air source heat pump.

[0009] Preferably, a dirt remover is also installed on the return water pipeline.

[0010] Preferably, it also includes a water supply tank, which is connected to a position between the circulation pump group and the decontamination device through a pipeline.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model utilizes the waste heat of the condenser of the refrigeration unit and the waste heat generated when the heat pump compressor is running, and is connected in parallel with the water supply end of the air conditioner. The air conditioning temperature can be compensated by controlling the valve. The user can utilize the energy generated by the waste heat when adjusting the increased temperature, without the need to adjust the output power of the heat pump as a whole. In actual operation, when the output water temperature of the heat pump is controlled at 14-19 degrees, the solution of the utility model has more energy-saving value. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] Please refer to the figure, this embodiment provides a heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees. It includes an air source heat pump 1 and a water storage tank 4, the output port of the air source heat pump 1 is connected to the water storage tank 4, and the output end of the water storage tank 4 is connected to the air conditioner water supply end through a water supply pipeline 3;

[0016] It also includes a heat exchanger 8, which is connected to the bottom output port of the water storage tank 4. The heat exchanger 8 is connected to the air source heat pump 1 and the condenser 10 via an air duct, and is used to introduce the waste heat of the condenser 10 and the compressor in the air source heat pump 1 into the heat exchanger. The output end of the heat exchanger 8 is connected to the water supply pipeline 3. Valves are installed at the input and output ends of the heat exchanger to achieve control; the waste heat is introduced into the heat exchanger 8 by hot air through the air duct, and the heat exchanger adopts a gas-liquid heat exchanger, such as a plate-type gas-liquid heat exchanger.

[0017] There are multiple groups of air-conditioning water supply ends according to the floor height. The output end of the heat exchanger 8 is connected in parallel with the multiple groups of air-conditioning water supply ends, and a control valve is installed at the parallel connection. The input end of the water storage tank 4 and the input end of the water supply pipeline 3 are both installed with temperature sensors, and cooperate with the PLC system to comprehensively control the temperature of each floor.

[0018] It also includes a return water pipeline 6, one end of which is connected to the return water end of the air conditioner, and the other end is connected to the circulation pump group 9, and finally connected to the air source heat pump 1. A decontaminator 5 is also installed on the return water pipeline 6, and it also includes a water replenishment tank 2, which is connected to the position between the circulation pump group 9 and the decontaminator 5 through a pipeline.

[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees, characterized by: It comprises an air source heat pump (1) and a water storage tank (4), wherein the output port of the air source heat pump (1) is connected to the water storage tank (4), and the output end of the water storage tank (4) is connected to the water supply end of the air conditioner via a water supply pipeline (3); It also includes a heat exchanger (8), the heat exchanger (8) is connected to the bottom output port of the water storage tank (4), the heat exchanger (8) is connected to the air source heat pump (1) and the condenser (10) via an air duct, and is used to introduce waste heat from the condenser (10) and the compressor in the air source heat pump (1) into the heat exchanger, and the output end of the heat exchanger (8) is connected to the water supply pipeline (3); A plurality of air-conditioning water supply ends are arranged according to the floor height, and the output end of the heat exchanger (8) is connected in parallel with the plurality of air-conditioning water supply ends, and a control valve is installed at the parallel connection.

2. A heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees according to claim 1, characterized in that: Temperature sensors are installed at the input end of the water storage tank (4) and the input end of the water supply pipeline (3).

3. A heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees according to claim 2, characterized in that: It also includes a water return pipeline (6), one end of which is connected to the water return end of the air conditioner, and the other end of which is connected to the circulation pump group (9), and finally connected to the air source heat pump (1).

4. A heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees according to claim 3, characterized in that: A dirt remover (5) is also installed on the return water pipeline (6).

5. A heat recovery type cold and warm air source with a water outlet temperature of 14-19 degrees according to claim 4, characterized in that: It also includes a water replenishment tank (2), which is connected to a position between the circulation pump group (9) and the decontamination device (5) via a pipeline.

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