Multi-channel reversing check valve assembly

Abstract

A multi-channel reversing one-way valve assembly connects four one-way valves through a constant inlet tee pipe, a constant outlet tee pipe, an evaporator connecting tee pipe, and a condenser connecting tee pipe. This greatly simplifies the connection of the connecting pipes and reduces the amount of connecting pipes used, thereby reducing the space occupied by the connecting pipes in the housing. This makes the connection of the heat exchange part in the air conditioner simpler and reduces production costs. In addition, the refrigerant coming out of the evaporator connecting tee pipe or the condenser connecting tee pipe can directly exchange heat with the evaporator or condenser without having to go through multiple flow loops before exchanging heat with the evaporator or condenser. This greatly reduces pressure loss and ensures air conditioning performance. Therefore, the structure of this utility model is reasonable, saves costs, and helps improve air conditioning performance. 2) Since the refrigerant has only one inlet in the one-way valve assembly and only flows in and out of the one-way valve assembly, the throttling adjustment applied to the air conditioner is flexible and easy.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration technology, and in particular to a one-way valve assembly used in heat exchange equipment such as air conditioners. Background Technology

[0002] The heat exchange section of a common air conditioning system mainly consists of a compressor, evaporator, condenser, and throttling element. To improve energy efficiency, most models adopt a secondary throttling scheme: by adding a return pipe assembly, the flow is throttled through the throttling element. This return assembly uses a large number of one-way valves, and the connection pipe structure for the flow direction during cooling and heating is complex, occupying a lot of space inside the cabinet, resulting in complicated installation and connection and high production costs. Moreover, the multiple flow around the pipe during heat exchange leads to a large pressure loss, which has a significant impact on the performance of the air conditioner.

[0003] The applicant has developed a multi-channel reversing one-way valve assembly that connects four one-way valves into a single one-way valve specifically designed for air conditioning heat exchange. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a multi-channel reversing one-way valve assembly with a reasonable structure, which can save costs and help improve the performance of air conditioning. Its application in air conditioning allows for flexible and easy throttling adjustment.

[0005] To solve the aforementioned technical problems, this utility model adopts the following technical solution:

[0006] A multi-channel reversing check valve assembly includes a constant inlet tee, a constant outlet tee, an evaporator connection tee, a condenser connection tee, and four check valves, wherein:

[0007] The constant inlet tee includes a constant inlet and two one-way valve inlet connections;

[0008] The constant outlet tee includes a constant outlet and two one-way valve outlet connections;

[0009] The evaporator connection tee includes a vertical evaporator connection inlet and outlet and two horizontal evaporator check valve connection ports.

[0010] The condenser connection tee includes a vertical condenser connection inlet and outlet and two horizontal condenser check valve connection ports.

[0011] The four check valves are arranged in the same direction, and after connecting one of the evaporator connecting tee pipes and the condenser connecting tee pipes between each pair of check valves, they are connected between the inlet port of one check valve of the constant inlet tee pipe and the outlet port of one check valve of the constant outlet tee pipe.

[0012] In the improved scheme of the above-mentioned multi-channel reversing one-way valve assembly, the constant inlet tee and constant outlet tee are Y-shaped, and the evaporator connecting tee and condenser connecting tee are T-shaped.

[0013] In the improved scheme of the above-mentioned multi-channel reversing one-way valve assembly, the constant inlet tee pipe, the constant outlet tee pipe, the evaporator connecting tee pipe, the condenser connecting tee pipe and the four one-way valves are on the same plane.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: 1) By connecting four one-way valves through constant inlet and constant outlet tee pipes, evaporator connecting tee pipes, and condenser connecting tee pipes to form a one-way valve assembly to achieve multi-channel reversal, the connection of connecting pipes is greatly simplified and the amount of connecting pipes used is reduced, thereby reducing the space occupied by connecting pipes in the housing. This makes the connection of the heat exchange part in the air conditioner simpler and reduces production costs. In addition, the refrigerant coming out of the evaporator connecting tee pipe or the condenser connecting tee pipe can directly exchange heat with the evaporator or condenser without having to go through multiple flow loops before exchanging heat with the evaporator or condenser. This greatly reduces pressure loss and ensures air conditioning performance. Therefore, the structure of this utility model is reasonable, saves costs, and helps improve air conditioning performance. 2) Since the refrigerant has only one inlet in the one-way valve assembly and only enters and does not exit, only one throttling valve component is needed to achieve flexible throttling adjustment of cooling and heating. Therefore, the throttling adjustment of this utility model in air conditioning is flexible and easy.

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments: Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model. Detailed Implementation

[0017] This utility model relates to a multi-channel reversing check valve assembly, such as... Figure 1 As shown, it includes a constant inlet tee pipe 1, a Y-type constant outlet tee pipe 2, an evaporator connection tee pipe 3, a T-type condenser connection tee pipe 4, and four one-way valves 5, wherein:

[0018] The constant inlet tee pipe 1 includes a constant inlet 11 and two one-way valve inlet ports 12;

[0019] The constant outlet tee pipe 2 includes a constant outlet 21 and two one-way valve outlet connection ports 22;

[0020] The evaporator connecting tee 3 includes a vertical evaporator connecting inlet / outlet 31 and two horizontal evaporator check valve connecting ports 32.

[0021] The condenser connecting tee 4 includes a vertical condenser connecting inlet / outlet 41 and two horizontal condenser check valve connecting ports 42.

[0022] The four one-way valves 5 are arranged in the same direction. After connecting one of the evaporator connecting tee pipes 3 and condenser connecting tee pipes 4 between each pair of one-way valves 5, they are connected between the one-way valve inlet 12 of the constant inlet tee pipe 1 and the one-way valve outlet 22 of the constant outlet tee pipe 2.

[0023] When this utility model is installed and used on an air conditioner, the evaporator connection inlet / outlet 31 of the evaporator connection tee pipe 3 is connected to one end of the evaporator, and the condenser connection inlet / outlet 41 of the condenser connection tee pipe 4 is connected to one end of the condenser; then, their other ends are connected to the compressor; in addition, the constant inlet 11 of the constant inlet tee pipe 1 and the constant outlet 21 of the constant outlet tee pipe 2 are connected together, and an electronic expansion valve and a refrigerant ring are installed on this connecting pipe.

[0024] When the air conditioner is cooling, the refrigerant enters the constant inlet tee pipe 1 through the electronic expansion valve and the constant inlet 11 of the constant inlet tee pipe 1. Then it flows through the one-way valve 5 located between the constant inlet tee pipe 1 and the evaporator connecting tee pipe 3 and flows from the evaporator connection inlet / outlet 31 of the evaporator connecting tee pipe 3 to the evaporator. Next, after being processed by the compressor, it flows to the condenser. Then it enters the condenser connecting tee pipe 4 from the condenser connection inlet / outlet 41. Finally, it flows through the one-way valve 5 located between the condenser connecting tee pipe 4 and the constant outlet tee pipe 2 and flows out from the constant outlet 21 of the constant outlet tee pipe 2. This cycle is repeated to achieve the refrigerant flow required for cooling.

[0025] When the air conditioner is in heating mode, the refrigerant enters the constant inlet tee pipe 1 through the electronic expansion valve and the constant inlet 11 of the constant inlet tee pipe 1. Then it flows through the one-way valve 5 located between the constant inlet tee pipe 1 and the condenser connecting tee pipe 4, and flows to the condenser from the condenser connection inlet / outlet 41 of the condenser connecting tee pipe 4. Next, after being processed by the compressor, it flows to the evaporator, and then enters the evaporator connecting tee pipe 3 from the evaporator connection inlet / outlet 31. Finally, it flows through the one-way valve 5 located between the evaporator connecting tee pipe 3 and the constant outlet tee pipe 2, and flows out from the constant outlet 21 of the constant outlet tee pipe 2. This cycle is achieved to achieve the refrigerant flow during heating.

[0026] As can be seen from the above, the four one-way valves 5 are connected by the constant inlet tee pipe 1 and the constant outlet tee pipe 2, the evaporator connecting tee pipe 3 and the condenser connecting tee pipe 4 to form a one-way valve assembly to achieve multi-channel reversal. This greatly simplifies the connection of the connecting pipes in the air conditioner and reduces the amount of connecting pipes used, thereby reducing the space occupied by the connecting pipes in the casing. As a result, the connection of the heat exchange part in the air conditioner is simpler and the production cost is reduced. In addition, the refrigerant coming out of the evaporator connecting tee pipe 3 or the condenser connecting tee pipe 4 can directly exchange heat with the evaporator or condenser without having to go through multiple flow loops before exchanging heat with the evaporator or condenser. This can greatly reduce pressure loss and thus ensure air conditioning performance. Therefore, the structure of this utility model is reasonable, can save costs and help improve air conditioning performance.

[0027] In this invention, the refrigerant has only one inlet in the one-way valve assembly, and it only enters and does not exit within the one-way valve assembly. Thus, only one throttling valve component is needed to achieve flexible throttling adjustment for cooling and heating. Therefore, the throttling adjustment of this invention in air conditioners is flexible and easy.

[0028] One-way valve 5 can be one of the one-way valves commonly used in air conditioners at present.

[0029] In this embodiment, the constant inlet tee pipe 1 and the constant outlet tee pipe 2 are Y-shaped, and the evaporator connecting tee pipe 3 and the condenser connecting tee pipe 4 are T-shaped. Of course, they can also be other shapes.

[0030] Preferably, the constant inlet tee pipe 1, constant outlet tee pipe 2, evaporator connecting tee pipe 3, condenser connecting tee pipe 4, and four one-way valves 5 are on the same plane, which can save space occupied by the one-way valve assembly.

[0031] In the description of this utility model, it should be understood that terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made to the present invention without departing from the principles and spirit of the present invention as defined by the claims. Therefore, the detailed description of the embodiments in this disclosure is for explanation only and not for limiting the present invention, but rather the scope of protection is defined by the content of the claims.

Claims

1. A multi-channel reversing check valve assembly, characterized in that, This includes a constant inlet tee, a constant outlet tee, an evaporator connection tee, a condenser connection tee, and four check valves, among which: The constant inlet tee includes a constant inlet and two one-way valve inlet connections; The constant outlet tee includes a constant outlet and two one-way valve outlet connections; The evaporator connection tee includes a vertical evaporator connection inlet and outlet and two horizontal evaporator check valve connection ports. The condenser connection tee includes a vertical condenser connection inlet and outlet and two horizontal condenser check valve connection ports. The four check valves are arranged in the same direction, and after connecting one of the evaporator connecting tee pipes and the condenser connecting tee pipes between each pair of check valves, they are connected between the inlet port of one check valve of the constant inlet tee pipe and the outlet port of one check valve of the constant outlet tee pipe.

2. The multi-channel reversing check valve assembly according to claim 1, characterized in that, The constant inlet tee and constant outlet tee are Y-shaped, and the evaporator connecting tee and condenser connecting tee are T-shaped.

3. The multi-channel reversing check valve assembly according to claim 1 or 2, characterized in that, The constant inlet tee, constant outlet tee, evaporator connection tee, condenser connection tee, and four one-way valves are all on the same plane.

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