CN220567332U - Domestic water and ground heating heat pump system - Google Patents

Abstract

The utility model provides a domestic water and ground warm heat pump system, which comprises a compressor, the plate heat exchanger, ground warm heat transfer pipeline, the delivery pipe, the wet return, the domestic water pipe, the moisturizing pipe, the water pump, moisturizing check valve, circulation check valve, mixing valve and domestic water switch, the play water end of the heat transfer water route of plate heat exchanger, the delivery pipe, the water inlet end of ground warm heat transfer pipeline, the play water end of ground warm heat transfer pipeline, the wet return and the return end of the heat transfer water route of plate heat exchanger constitute the circulation water route, circulation check valve and mixing valve are established on the delivery pipe road, the water supply pipeline intercommunication between play water end of domestic water route and the circulation check valve; the water replenishing pipe is communicated with the water mixing valve, the water replenishing one-way valve is arranged on the water replenishing pipeline, and the domestic water switch is arranged on the domestic water pipe. The heat storage water tank in the prior art is omitted, the structure is simplified, and the volume is reduced; the domestic water is directly communicated with the heat exchange waterway of the plate heat exchanger, and has the characteristics of high water temperature and quick temperature rise.

Description

Domestic water and ground heating heat pump system

Technical Field

The utility model relates to a heat pump system, in particular to a heat pump system for heating and living water.

Background

At present, in the prior art, china patent 202222040025.7, a household solar energy and air source heat pump combined heating, cooling and hot water supply system comprises a solar heat collector, an air source heat pump, a heat storage water tank, a plate heat exchanger, a hot water tail end, a fan coil and a floor heating coil; the solar heat collector is sequentially communicated with a heat storage water tank and a primary side inlet and outlet of the plate heat exchanger into a whole through a circulating pipeline, and the heat storage water tank is communicated with the tail end of the hot water through a pipeline; the secondary side inlet and outlet of the plate heat exchanger are respectively communicated with a water return main pipe and a water supply main pipe, the fan coil and the floor heating coil are connected in parallel to the tail ends of the water return main pipe and the water supply main pipe through pipelines, the water inlet and outlet of the fan coil are respectively provided with a first electric valve, and the water inlet and outlet of the floor heating coil are respectively provided with a second electric valve. The problems are: the structure is complicated, and is bulky, still needs to set up the heat storage water tank.

When the common domestic water of the heating unit is used together with the floor heating, a buffer water tank is generally arranged, and the required water temperature of the floor heating is greatly different from the water temperature of the domestic hot water. The water temperature required by the domestic hot water is relatively large, so that a buffer water tank needs to be added, the electric heating is added on the water tank according to the water temperature required by the floor heating, and the water of the path of the domestic hot water is heated up by the electric heating on the basis of the original floor heating temperature. In this way, a buffer tank is required, which is relatively bulky and takes up a lot of space.

Disclosure of Invention

The purpose of the utility model is that: the domestic water and ground heating heat pump system has the advantages of simple structure and small volume; but also the rapid heating of domestic water.

The utility model is realized in the following way: the domestic water and ground heating heat pump system is characterized by comprising a compressor, a plate heat exchanger, a ground heating heat exchange pipeline, a water supply pipe, a water return pipe, a domestic water pipe, a water supplementing pipe, a water pump, a water supplementing one-way valve, a circulating one-way valve, a water mixing valve and a domestic water switch,

the water outlet end of the heat exchange waterway of the plate heat exchanger, the water supply pipe, the water inlet end of the floor heating heat exchange pipeline, the water outlet end of the floor heating heat exchange pipeline, the water return pipe and the water return end of the heat exchange waterway of the plate heat exchanger form a circulating waterway, the circulating check valve and the water mixing valve are arranged on the water supply pipeline, and the domestic water pipe is communicated with the water supply pipeline between the water outlet end of the heat exchange waterway and the circulating check valve; the water replenishing pipe is communicated with the water mixing valve, the water replenishing one-way valve is arranged on the water replenishing pipeline, and the domestic water switch is arranged on the domestic water pipe.

The domestic water and ground heating pump system is characterized in that when the domestic water pipe is communicated, tap water, a water supplementing pipe, a water supplementing one-way valve, a water mixing valve, a ground heating heat exchange pipeline, a water return pipe, a water pump, a heat exchange waterway of a plate heat exchanger and a water supply pipeline are used as main flow paths, and (one) the domestic water enters the domestic water pipe; and (II) running water enters the floor heating heat exchange pipeline through the circulating one-way valve and the water mixing valve.

The domestic water and ground heating heat pump system is characterized by further comprising a first temperature sensor and a second temperature sensor;

the first temperature sensor is arranged at the water inlet end of the water supply pipe, and the second temperature sensor is arranged at the water outlet end of the water supply pipe.

The domestic water and ground heating heat pump system of the utility model has the advantages that due to the adoption of the structure, a heat storage water tank in the prior art is omitted, the structure is simplified, and the volume is reduced; the domestic water is directly communicated with the heat exchange waterway of the plate heat exchanger, and has the characteristics of high water temperature and quick temperature rise.

Drawings

Fig. 1 is a front view of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, a domestic water and ground heating pump system comprises a compressor 1, a four-way reversing valve, an evaporator, an electronic expansion valve, a plate heat exchanger 2, a ground heating heat exchange pipeline 3, a water supply pipe 41, a water return pipe 42, a domestic water pipe 43, a water supplementing pipe 44, a water pump 5, a water supplementing one-way valve 61, a circulating one-way valve 62, a water mixing valve 7 and a domestic water switch 8,

the water outlet end of the heat exchange waterway of the plate heat exchanger 2, the water supply pipe 41, the water inlet end of the floor heating heat exchange pipeline 3, the water outlet end of the floor heating heat exchange pipeline 3, the water return pipe 42 and the water return end of the heat exchange waterway of the plate heat exchanger 2 form a circulating waterway, the circulating check valve 62 and the water mixing valve 7 are arranged on the water supply pipe 41, and the life water pipe 43 is communicated with the water supply pipe 41 between the water outlet end of the heat exchange waterway and the circulating check valve 62; the water replenishing pipe 44 is communicated with the water mixing valve 7, the water replenishing one-way valve 61 is arranged on the water replenishing pipe 44, and the domestic water switch 8 is arranged on the domestic water pipe 43.

When the domestic water pipe 43 is conducted, tap water, a water supplementing pipe 44, a water supplementing one-way valve 61, a water mixing valve 7, a floor heating heat exchange pipeline 3, a water return pipe 42, a water pump 5, a heat exchange waterway of the plate heat exchanger 2 and a water supply pipe 41 are taken as main flow paths, and (one) domestic water enters the domestic water pipe 43; and secondly, water enters the floor heating heat exchange pipeline 3 through the circulating one-way valve 62 and the water mixing valve 7. By adopting the design, when the domestic hot water is used, the floor heating heat exchange pipeline also has a heating function, and the domestic water and the heating are carried out simultaneously;

the living water flows out of the heat exchange waterway of the plate heat exchanger 2 and directly enters the living water pipe 43 for use, thereby achieving the technical effect of quick heating and instant heating.

As a further improvement of the utility model: the system also comprises a first temperature sensor and a second temperature sensor;

the first temperature sensor is arranged at the water inlet end of the water supply pipe 41, and the second temperature sensor is arranged at the water outlet end of the water supply pipe 41.

The water outlet end of the water supply pipe 41 is provided with a second temperature sensor, and the host computer controls the water mixing valve to reach the required temperature for entering the ground heating heat exchange waterway by monitoring the second temperature sensor. A first temperature sensor is arranged at the water outlet end of the water supply pipe; the host machine can control the compressor frequency according to the required water outlet temperature, and control the condensation temperature by the opening of the electronic expansion valve so as to control the water outlet temperature.

The unit changes the water temperature according to the floor heating temperature control board that the user set up, and when detecting that domestic hot water has the switch action, unit control compressor frequency and electronic expansion valve aperture, the water temperature of board change is according to domestic hot water temperature control. The host computer is through the control entering delivery pipe water outlet end temperature, and control mixing valve reaches required entering ground warms up heat transfer water route's temperature. Through the control, the unit can control different temperatures of the floor heating and domestic hot water when the buffer water tank is not provided.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (3)

1. A domestic water and ground heating heat pump system is characterized by comprising a compressor, a plate heat exchanger, a ground heating heat exchange pipeline, a water supply pipe, a water return pipe, a domestic water pipe, a water supplementing pipe, a water pump, a water supplementing one-way valve, a circulating one-way valve, a water mixing valve and a domestic water switch,

the water outlet end of the heat exchange waterway of the plate heat exchanger, the water supply pipe, the water inlet end of the floor heating heat exchange pipeline, the water outlet end of the floor heating heat exchange pipeline, the water return pipe and the water return end of the heat exchange waterway of the plate heat exchanger form a circulating waterway, the circulating check valve and the water mixing valve are arranged on the water supply pipeline, and the domestic water pipe is communicated with the water supply pipeline between the water outlet end of the heat exchange waterway and the circulating check valve; the water replenishing pipe is communicated with the water mixing valve, the water replenishing one-way valve is arranged on the water replenishing pipeline, and the domestic water switch is arranged on the domestic water pipe.

2. The system of claim 1, wherein when the domestic water pipe is connected, tap water, a water supplementing pipe, a water supplementing one-way valve, a water mixing valve, a floor heating heat exchange pipeline, a water return pipe, a water pump, a heat exchange waterway of a plate heat exchanger and a water supply pipeline are used as main flow paths, and (1) the domestic water enters the domestic water pipe; and (II) running water enters the floor heating heat exchange pipeline through the circulating one-way valve and the water mixing valve.

3. The domestic water and geothermal heat pump system of claim 1 or 2, further comprising a first temperature sensor and a second temperature sensor;

the first temperature sensor is arranged at the water inlet end of the water supply pipe, and the second temperature sensor is arranged at the water outlet end of the water supply pipe.