Heat pump refrigerant branching body
By designing a frustum-shaped branching body and a mixing cavity structure of a cone-shaped branching body, the noise problem caused by eddies was solved, and uniform mixing and increased flow rate of the refrigerant were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-04-07
AI Technical Summary
In existing heat pump refrigerant distribution structures, the wall of the mixing chamber is a concave arc surface, which easily generates eddies, resulting in high noise levels.
The mixing chamber is composed of a frustum-shaped branch body and a conical branch body. The branch channel is connected to the mixing chamber. The cone angle of the conical branch body is equal to that of the frustum-shaped branch body. The included angle of the axis of the branch channel is 16 degrees to 36 degrees. The refrigerant is compressed and accelerated when it flows in the mixing chamber.
It effectively prevents eddy currents, reduces noise, and achieves uniform refrigerant mixing and fast flow rate.
Smart Images

Figure CN224094666U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a heat pump, and more particularly to a refrigerant distribution system. Background Technology
[0002] The existing technology, as described in Chinese patent 201821347685.7, involves a novel distribution structure and air conditioner. This novel distribution structure has a first distribution body and a second distribution body sequentially arranged in the refrigerant flow direction, connected to each other. The first distribution body contains a mixing chamber with a concave arc surface as its wall. The problem is that the concave arc surface of the mixing chamber easily generates eddies, resulting in high noise levels. Utility Model Content
[0003] The purpose of this invention is to provide a heat pump refrigerant distribution body that features low noise, uniform mixing, and high flow rate.
[0004] This utility model is implemented as follows: a heat pump refrigerant distribution body, characterized in that it includes an inlet pipe, a frustum-shaped distribution body, and a conical distribution body.
[0005] The main body of the truncated cone-shaped branching system is equipped with several branching channels along the busbar;
[0006] The outlet end of the inlet pipe is connected to the inlet end of the truncated cone-shaped branch body. The truncated cone-shaped branch body is located at the top round end of the truncated cone-shaped branch body. The truncated cone-shaped branch body extends into the inlet pipe. The truncated cone-shaped branch body and the inner cavity of the inlet pipe form a mixing chamber. The branch channel and the mixing chamber are connected.
[0007] The heat pump refrigerant distribution body is characterized in that the cone angle of the conical distribution body is equal to the frustum of the conical distribution body.
[0008] The heat pump refrigerant distribution body is characterized in that the distribution channel is circular, and the angle between the axis of the distribution channel and the axis of the frustum-shaped distribution body and the conical distribution body is 16 degrees to 36 degrees.
[0009] The heat pump refrigerant distribution system is characterized in that: the distribution channel is provided with at least two.
[0010] The heat pump refrigerant distribution body is characterized in that the distribution channel intersects with the conical distribution body and the liquid inlet pipe.
[0011] This utility model discloses a heat pump refrigerant distribution body. The refrigerant enters the mixing chamber through the inlet pipe, is compressed while flowing in the mixing chamber, and is released in the distribution channel. The mixing chamber is a frustoconical cavity, which prevents the generation of eddies and reduces noise. Attached Figure Description
[0012] Figure 1 This is the front view of this utility model.
[0013] Figure 2 yes Figure 1 A-A view.
[0014] Figure 3 This is a three-dimensional sectional view of the present invention. Detailed Implementation
[0015] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein 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 with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0017] like Figure 1 , Figure 2 As shown, a heat pump refrigerant distribution body includes an inlet pipe 1, a frustum-shaped distribution body 2, and a conical distribution body 3.
[0018] The frustum-shaped branching body 2 is provided with several branching channels 21 along the busbar;
[0019] The outlet end of the inlet pipe 1 is connected to the inlet end of the frustum-shaped branching body 2. The conical branching body 3 is located at the top circular end of the frustum-shaped branching body 2 and extends into the inlet pipe 1. The conical branching body 3 and the inner cavity of the inlet pipe 1 constitute a mixing chamber 4. The branching channel 21 is connected to the mixing chamber 4. The mixing chamber 4 is an inverted conical ring, which plays a role in compression mixing and acceleration. This structure reduces noise.
[0020] As a further improvement of this utility model: the cone angle of the conical branch body 3 is equal to the frustum of the conical branch body 2.
[0021] As a further improvement of this utility model: the diversion channel 21 is circular, and the angle α between the axis of the diversion channel 21 and the axis of the frustum-shaped diversion body 2 and the conical diversion body 3 is 16 degrees to 36 degrees.
[0022] The diversion channels can be two, three, four, five, six, seven, or eight or more. All of these configurations can achieve the purpose of this utility model.
[0023] As a further improvement of this utility model: the diversion channel 21 intersects with the outer peripheral surface of the conical diversion body 3 and the inner wall of the inlet pipe 1.
[0024] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A heat pump refrigerant distribution body, characterized in that: Includes an inlet pipe, a frustum-shaped branch body, and a conical branch unit. The main body of the truncated cone-shaped branching system is equipped with several branching channels along the busbar; The outlet end of the inlet pipe is connected to the inlet end of the truncated cone-shaped branch body. The truncated cone-shaped branch body is located at the top round end of the truncated cone-shaped branch body and extends into the inlet pipe. The truncated cone-shaped branch body and the inner cavity of the inlet pipe form a mixing chamber. The branch channel and the mixing chamber are connected. The mixing chamber is an inverted conical ring, which plays a role in compression mixing and acceleration. The branch channel intersects with the truncated cone-shaped branch body and the inlet pipe. The cone angle of the conical branch body is equal to the frustum of the truncated cone branch body.
2. The heat pump refrigerant distribution body according to claim 1, characterized in that: The diversion channel is circular, and the angle between the axis of the diversion channel and the axis of the frustum-shaped diversion body and the conical diversion body is 16 degrees to 36 degrees.
3. A heat pump refrigerant distribution body according to claim 1, characterized in that: The diversion channel has at least two.
Citation Information
Patent Citations
Novel shut structure and air conditioner
CN208671321U