Embedded three-way valve for heat pump system

Abstract

A pre-buried three-way valve for a heat pump system comprises a three-way pipe fitting and a two-position three-way valve, the three-way pipe fitting comprises a ground cooling machine water outlet connector, a water return connector and a bypass connector, the two-position three-way valve comprises a ground cooling machine water inlet connector pipe, a floor heating water outlet connector pipe and a bypass pipe which are located on a valve body, and the bypass connector is communicated with the bypass pipe. The ground cooling machine and the heat exchanger buried in the ground are organically connected together, and multiple purposes are achieved; the pipeline is embedded in a wall to hide the pipeline; the use is convenient.

Description

Technical Field

[0001] The utility model relates to a heat pump system, in particular to a three-way pipe fitting device in a room. Background Art

[0002] In the current prior art, Chinese Patent No. 201020191702.X, a central air-conditioning device, includes a main controller for controlling the opening or closing of an air-source heat pump host. The water outlet of the air-source heat pump host is connected to the fixed end of a three-way solenoid valve. The normally open end of the three-way solenoid valve is connected to a floor heating and cooling return water distributor, and the floor heating and cooling outlet water distributor is connected to a water pump and then to the water return port of the air-source heat pump host. The normally closed end of the three-way solenoid valve is connected to the water inlet of a fan coil unit, and the water outlet of the fan coil unit is also connected to the water pump and then to the water return port of the air-source heat pump host. The control end of the three-way solenoid valve is connected to a humidity controller, and the three-way solenoid valve is controlled by the humidity controller to control the opening of the normally closed end and the closing of the normally open end. The problems are: rotation is achieved through the three-way solenoid valve, and a floor heating and cooling return water distributor and a floor heating and cooling outlet water distributor are also provided.

[0003] Chinese Patent No. 202110943456.1, a heat pump air conditioner with a dehumidification function, includes a heat pump host, a cooling / heating circulation system, an indoor heat exchanger, and a dehumidification and temperature adjustment machine installed indoors. The heat pump host includes a compressor, a first heat exchanger, a fan, a second heat exchanger, a four-way valve, and an expansion valve. The cooling / heating circulation system includes a cooling / heating pipeline, a return cooling / heating pipeline, a third heat exchanger, a manifold, and a circulation water pump. The second heat exchanger and the third heat exchanger are coupled into a two-flow channel heat exchanger. The indoor heat exchanger and the dehumidification and temperature adjustment machine are connected in series and then communicated with the manifold, or the indoor heat exchanger and the dehumidification and temperature adjustment machine are respectively communicated with the manifold. The dehumidification and temperature adjustment machine operates following the cooling / heating circulation system. The problems are: multiple joints are required for each room. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pre-embedded three-way valve part for a heat pump system, which has the characteristics of multiple joints, a commutation function, and integration.

[0005] The utility model is realized as follows: A pre-embedded three-way valve part for a heat pump system, which is characterized in that it includes a three-way pipe fitting and a two-way three-way valve.

[0006] The three-way pipe fitting includes a ground cooling machine water outlet interface, a water return interface, and a bypass interface.

[0007] The two-way three-way valve includes a ground cooling machine water inlet interface pipe, a floor heating water outlet interface pipe, and a bypass pipe located on the valve body.

[0008] The bypass interface and the bypass pipe are communicated.

[0009] The pre-embedded three-way valve for a heat pump system is characterized in that: the outlet interface and the return water interface of the ground cooler are in the same plane, and the bypass interface is perpendicular to the intersection of the outlet interface and the return water interface of the ground cooler;

[0010] The inlet interface pipe of the ground cooler is provided with a bent pipe joint.

[0011] The pre-embedded three-way valve for a heat pump system is characterized in that: a check valve is arranged in the outlet interface of the ground cooler.

[0012] The pre-embedded three-way valve for a heat pump system is characterized in that: it further includes a pre-embedded box with a front opening and a front cover,

[0013] The pre-embedded box includes two interface holes arranged on the bottom plate, a pipe fitting fixing seat and a valve fixing seat arranged on the rear back plate,

[0014] The front cover includes a front panel and a rear interface. The front panel is provided with an inlet interface hole, a valve rod hole and an outlet interface hole;

[0015] The three-way pipe fitting and the two-way three-way valve are arranged in the pre-embedded box and are respectively fixed to the pipe fitting fixing seat and the valve fixing seat. The rear interface is inserted into the pre-embedded box and is detachable. The outlet interface of the ground cooler extends out from the outlet interface hole, the inlet interface pipe of the ground cooler extends out from the outlet interface hole, and the valve rod of the two-way three-way valve corresponds to the valve rod hole; the return water interface and the floor heating outlet interface pipe respectively correspond to one interface hole.

[0016] For the pre-embedded three-way valve for a heat pump system of the present utility model, due to adopting such a structure, the ground cooler and the heat exchanger buried in the ground are organically connected together, having multiple uses; being pre-embedded in the wall to hide the pipeline; being convenient to use. Brief Description of the Drawings

[0017] Figure 1 is one of the three-dimensional views of the present utility model.

[0018] Figure 2 is the second three-dimensional view of the present utility model.

[0019] Figure 3 is the schematic diagram of the use state of the present utility model.

[0020] Figure 4 is the further improved three-dimensional view of the present utility model.

[0021] Figure 5 is one of the further improved three-dimensional exploded views of the present utility model.

[0022] Figure 6 is the second further improved three-dimensional exploded view of the present utility model. Detailed Embodiment

[0023] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0025] As Figure 1 , Figure 2 shown, a pre-buried three-way valve component for a heat pump system includes a three-way pipe fitting 1 and a two-position three-way valve 2.

[0026] The three-way pipe fitting 1 includes a ground cooler water outlet interface 11, a return water interface 12 and a bypass interface 13.

[0027] The two-position three-way valve 2 includes a ground cooler water inlet interface pipe 21, a floor heating water outlet interface pipe 22 and a bypass pipe 23 located on the valve body.

[0028] The bypass interface 13 and the bypass pipe 23 are in communication.

[0029] The ground cooler water outlet interface 11 and the return water interface 12 are in the same plane, and the bypass interface 13 is perpendicular to the intersection of the ground cooler water outlet interface 11 and the return water interface 12.

[0030] A bent pipe joint is provided on the ground cooler water inlet interface pipe 21.

[0031] As a further improvement of the present utility model: a check valve is provided inside the ground cooler water outlet interface 11.

[0032] When the present utility model is in use, as Figure 3 shown, the water outlet end of the ground cooler 5 is in communication with the ground cooler water outlet interface 11, the water inlet end is in communication with the ground cooler water inlet interface pipe 21 of the two-position three-way valve 2, the return water interface 12 is in communication with the return water pipeline 52, and the water supply pipeline 51, the floor heating heat exchanger 4 and the floor heating water outlet interface pipe 22 are in communication.

[0033] In Figure 1 the state, the bypass pipe is closed, and the water supply pipeline 51, the floor heating heat exchanger 4, the two-position three-way valve 2 and the water inlet end of the ground cooler 5 are connected in sequence, and the water outlet end of the ground cooler 5, the three-way pipe fitting 1 and the return water pipeline 52 are connected.

[0034] exist Figure 2 In this state, the bypass pipe is connected, and the water supply pipeline 51, the floor heating heat exchanger 4, the bypass pipe of the two-position three-way valve 2, the return water interface 12 and the return water pipeline 52 are connected.

[0035] As a further improvement of the utility model: Figure 4 , Figure 5 As shown, it also includes a pre-embedded box 6 with a front opening and a front cover 7.

[0036] The embedded box 6 includes two interface holes 61 arranged on the bottom plate, a pipe fixing seat 62 and a valve fixing seat 63 arranged on the back plate.

[0037] The front cover 7 includes a front panel 71 and a rear interface 72. The front panel 71 is provided with an outlet interface hole 711, a valve stem hole 712 and an inlet interface hole 713;

[0038] The three-way pipe fitting 1 and the two-position three-way valve 2 are arranged in the embedded box 6 and are respectively fixed to the pipe fitting fixing seat 62 and the valve fixing seat 63. The rear interface 72 is plugged into the embedded box 6 and is detachable. The floor cooling machine water outlet interface 11 extends from the outlet interface hole 711, and the floor cooling machine water inlet interface pipe 21 extends from the inlet interface hole 713. The valve stem of the two-position three-way valve 1 corresponds to the valve stem hole 712; the return water interface 12 and the floor heating water outlet interface pipe 22 correspond to an interface hole 61 respectively.

[0039] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A pre-buried three-way valve for a heat pump system, characterized in that: Including three-way pipe fittings and two-position three-way valves, The three-way pipe fittings include the water outlet interface, water return interface and bypass interface of the floor cooling machine. The two-position three-way valve includes a floor cooling machine water inlet interface pipe, a floor heating water outlet interface pipe and a bypass pipe located on the valve body. The bypass interface is connected to the bypass pipe.

2. The embedded three-way valve for a heat pump system according to claim 1, characterized in that: The water outlet interface and the water return interface of the floor cooling machine are in the same plane, and the bypass interface and the intersection of the water outlet interface and the water return interface of the floor cooling machine are perpendicular; The water inlet interface pipe of the floor cooling machine is provided with an elbow joint.

3. The embedded three-way valve for a heat pump system according to claim 1, characterized in that: A one-way valve is arranged in the water outlet interface of the floor cooling machine.

4. A pre-buried three-way valve for a heat pump system according to claim 1, 2 or 3, characterized in that: It also includes a pre-embedded box with a front opening and a front cover. The embedded box includes two interface holes arranged on the bottom plate, a pipe fixing seat and a valve fixing seat arranged on the back plate. The front cover includes a front panel and a rear interface, and the front panel is provided with an outlet interface hole, a valve stem hole and an inlet interface hole; The three-way pipe fitting and the two-position three-way valve are arranged in the embedded box and are respectively fixed to the pipe fitting fixing seat and the valve fixing seat. The rear interface is plugged into the embedded box and is detachable. The water outlet interface of the floor cooling machine extends from the outlet interface hole, and the water inlet interface pipe of the floor cooling machine extends from the inlet interface hole. The valve stem of the two-position three-way valve corresponds to the valve stem hole; the return water interface and the floor heating water outlet interface pipe correspond to an interface hole respectively.

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