Valve, automotive air conditioning system and automobile
By designing a three-way valve with a valve seat, valve cover and valve shaft assembly, the complexity of refrigerant flow distribution and switching is solved, the air-conditioning system is simplified, the range of electric vehicles is improved and the cost is reduced.
Patent Information
- Application Number
- CN202110857303.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-07-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2041-07-28
AI Technical Summary
The distribution and switching of refrigerant flow in existing automotive air-conditioning systems are complex, affecting the range of electric vehicles and the simplification of system structure.
A flow three-way valve consisting of a valve seat, a valve cover and a valve shaft assembly was designed. The distribution and switching of the refrigerant flow were achieved by rotating the valve shaft. The valve plate and the protrusion were used to limit the position, and the opening and closing of the outlet was controlled in combination with the identification feature.
It realizes flexible adjustment of refrigerant flow, simplifies the air-conditioning system structure, reduces system weight and cost, and improves the cruising range of electric vehicles.
Smart Images

Figure CN115674990B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a valve, an automobile air conditioning system and an automobile, in particular to a flow tee valve for a dual condenser air conditioning system in an automobile. BACKGROUND
[0002] In an electric vehicle, the air conditioning and battery thermal management system is much more complex than that of a traditional fuel vehicle. In order to improve the range of the electric vehicle when using the air conditioner and simplify the structure and reduce the cost of the air conditioning system, the flow regulating device in the automobile air conditioning system needs to be improved.
[0003] In the existing automobile air conditioning system, a two-way valve is usually used to control the flow of refrigerant, and in some new type of automobile air conditioning system, a three-way valve is used to control the flow of refrigerant, which is usually an on-off valve for changing the flow direction of refrigerant or completely cutting off the flow of refrigerant. SUMMARY
[0004] One aspect of the present application aims to solve the technical problem of how to achieve the distribution and switching of refrigerant flow in an automobile air conditioning system.
[0005] In addition, other aspects of the present application also aim to solve or alleviate other technical problems existing in the prior art.
[0006] The present application provides a valve, an automobile air conditioning system and an automobile, in particular, according to one aspect of the present application, there is provided:
[0007] A valve for a dual condenser air conditioning system in an automobile, wherein the valve comprises a valve seat, a valve cover and a valve shaft assembly, the valve shaft assembly is installed in the valve seat, the valve cover is installed on the valve seat and covers the valve shaft assembly, a hole is formed on the valve cover, the valve shaft of the valve shaft assembly protrudes through the valve cover, an inlet is arranged on the valve cover, a first outlet and a second outlet are arranged on the periphery of the valve seat, and the first outlet and the second outlet can be shielded by the valve shaft assembly.
[0008] Optionally, according to one embodiment of the present application, the valve shaft assembly can rotate in the valve seat, and the first outlet and the second outlet are shielded by the valve shaft assembly corresponding to different rotational positions of the valve shaft assembly in the valve seat.
[0009] Optionally, according to one embodiment of the present application, the valve shaft assembly comprises a valve shaft, a spring and a valve disc, the valve shaft is rotatably installed on the valve seat, the spring is sleeved on the valve shaft, and the valve disc is fixed on the valve shaft, and the first outlet and the second outlet are shielded by the valve disc of the valve shaft assembly.
[0010] Optionally, according to an embodiment of the present application, a spring seat is configured in the valve cover for a spring in the valve shaft assembly, and a flow guide boss is configured in the valve cover near the inlet for distributing flow to the first outlet and the second outlet.
[0011] Optionally, according to an embodiment of the present application, a first protrusion is configured in the valve seat near the first outlet, and a second protrusion is configured in the valve seat near the second outlet, the first protrusion and the second protrusion are used for limiting the valve disc, when the valve disc is stopped at the first protrusion, the valve disc completely blocks the first outlet, when the valve disc is stopped at the second protrusion, the valve disc completely blocks the second outlet.
[0012] Optionally, according to an embodiment of the present application, an axle identification feature is configured on the part of the valve shaft protruding out of the valve cover, a first identification feature, an intermediate identification feature and a second identification feature are configured on the valve cover, the axle identification feature corresponds to the first identification feature, the intermediate identification feature and the second identification feature in position by rotating the valve shaft, the axle identification feature, the first identification feature, the intermediate identification feature and the second identification feature are configured to indicate that the first outlet is completely blocked when the axle identification feature corresponds to the first identification feature, indicate that the second outlet is completely blocked when the axle identification feature corresponds to the second identification feature, and indicate that neither the first outlet nor the second outlet is blocked when the axle identification feature corresponds to the intermediate identification feature.
[0013] According to another aspect of the present application, the present application provides an automobile air conditioning system, wherein the automobile air conditioning system has the valve described above.
[0014] According to still another aspect of the present application, the present application provides an automobile, wherein the automobile has the automobile air conditioning system described above.
[0015] The advantages of the present application include that the valve according to the present application can realize the distribution and switching of the flow of different media of the two outlets of the valve by reasonably adjusting the rotation angle of the valve shaft, and at the same time, the structure of the automobile air conditioning system is simplified, the parts in the system are reduced, the cost and weight of the vehicle are saved, and the cruising range of the vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] The above and other features of the present application will become apparent from the following description of the embodiments thereof, taken in conjunction with the accompanying drawings, which together illustrate the features of the present application.
[0017] Figure 1 Fig. 1 shows a structure schematic diagram of a valve according to an embodiment of the present application;
[0018] Figure 2 Fig. 2 shows a structure schematic diagram of a valve shaft assembly of the valve according to an embodiment of the present application;
[0019] Figure 3 and4 A top view and a bottom view of a valve cover of a valve according to an embodiment of the present invention are respectively shown;
[0020] Figure 5 A top view of a valve seat of a valve according to one embodiment of the present invention is shown;
[0021] Figure 6 、 7 8 and 8 are schematic diagrams showing the positional relationship between the valve disc and the valve seat when the valve is in the first working position, the middle position, and the second working position according to an embodiment of the present invention;
[0022] Figure 9 FIG. 1 is an exploded schematic diagram of a valve according to an embodiment of the present invention. DETAILED DESCRIPTION
[0023] It is easy to understand that according to the technical solution of the present invention, without changing the essential spirit of the present invention, a person skilled in the art can propose a variety of interchangeable structural modes and implementation modes. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention and should not be regarded as the entire invention or as a limitation or restriction of the technical solution of the present invention.
[0024] The terms "up," "down," "left," "right," "front," "back," "front," "back," "top," and "bottom" mentioned or potentially mentioned in this specification are defined relative to the structures shown in the accompanying drawings. They are relative concepts and may vary depending on their location or usage. Therefore, these or other directional terms should not be interpreted as restrictive. In addition, the terms "first," "second," "third," and similar expressions are used only for descriptive and distinguishing purposes and should not be understood to indicate or imply the relative importance of the corresponding components.
[0025] refer to Figure 1 , which shows a schematic structural diagram of a valve according to one embodiment of the present invention. The valve according to the present invention is used in a dual-condenser air conditioning system in an automobile and comprises a valve seat 100, a valve cover 200, and a valve shaft assembly 300. The valve shaft assembly 300 is mounted within the valve seat 100, and the valve cover 200 is mounted on the valve seat 100. The valve cover 200 has an inlet 201, and the valve seat 100 has a first outlet 101 and a second outlet 102. Fluid media can flow into the valve through the inlet 201 of the valve cover 200 and out through the first outlet 101 and the second outlet 102.
[0026] refer to Figure 2Fig. 1 shows a perspective view of a valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to Figure 2 Fig. 2 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to
[0027] Fig. 3 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to Figure 3 Fig. 4 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to 4 Fig. 5 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to Fig. 6 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to
[0028] Fig. 7 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to Figure 5 Fig. 8 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to Figure 6 Fig. 9 shows a perspective view of the valve according to an embodiment of the present application, the valve comprising a valve cover 200, a valve seat 100, a valve shaft assembly 300, and a valve plate 303, the valve cover 200 being fixedly installed on the valve seat 100, the valve shaft assembly 300 being rotatably installed on the valve seat 100, the valve plate 303 being fixedly installed on the valve shaft assembly 300 and being rotatable together with the valve shaft assembly 300, the valve plate 303 being configured to be able to block the path from an inlet 201 to a first outlet 101 and a second outlet 102 at different rotational positions. In the embodiment according to 78, which respectively show the positional relationship between the valve disc and the valve seat in the first working position, the intermediate position, and the second working position of a valve according to one embodiment of the present invention, wherein the thick black arrow represents the flow direction of the fluid. A first protrusion 103 is configured at the first outlet 101 to limit the position of the valve disc 303, that is, when the valve disc 303 is in the first working position, the valve disc 303 stops at the first protrusion 103; a second protrusion 104 is configured at the second outlet 102 to limit the position of the valve disc 303, that is, when the valve disc 303 is in the second working position, the valve disc 303 stops at the second protrusion 104.
[0029] refer to Figure 9 , which shows an exploded schematic diagram of a valve according to an embodiment of the present invention, wherein the thick black arrow represents the flow direction of the fluid. A shaft identification feature 304 is constructed on the portion where the valve shaft 301 protrudes from the valve cover 200. Figure 5 In the embodiment, the shaft identification feature 304 is a vertical straight line. The valve cover 200 is constructed with a first identification feature 204, an intermediate identification feature 205, and a second identification feature 206. By rotating the valve shaft 301, the shaft identification feature 304 is made to correspond to the first identification feature 204, the intermediate identification feature 205, and the second identification feature 206 in position. Figure 5 In the embodiment, the first identification feature 204, the middle identification feature 205 and the second identification feature 206 are configured as circular recessed portions, and a straight line is provided in the circular recessed portion of the middle identification feature 205 for distinguishing the middle identification feature 205 from the first identification feature 204 and the second identification feature 206. When the shaft identification feature 304 points to the first identification feature 204, the valve disc 303 of the valve shaft assembly 300 is in the first working position, that is, the first outlet 101 is completely blocked, at this time the first outlet 101 is completely closed, and the fluid medium flows out from the second outlet 102; when the shaft identification feature 304 points to the second identification feature 206, the valve disc 303 of the valve shaft assembly 300 is in the second working position, that is, the second outlet 102 is completely blocked, at this time the second outlet 102 is completely closed, and the fluid medium flows out from the first outlet 101; when the shaft identification feature 304 points to the middle identification feature 205, the valve disc 303 of the valve shaft assembly 300 is in the middle position, that is, the first outlet 101 and the second outlet 102 are not blocked, and the flow rate of the fluid medium flowing out of the first outlet 101 and the second outlet 102 is the same.
[0030] It should be understood that the valve and automotive air conditioning system of the present invention can be installed in various vehicles, including cars, trucks, buses, hybrid vehicles, pure electric vehicles, etc. Therefore, the subject matter of the present invention is also intended to protect various vehicles equipped with the valve and automotive air conditioning system of the present invention.
[0031] It should be understood that all the preferred embodiments above are exemplary but not restrictive, and various modifications or variations of the specific embodiments described above made by those skilled in the art under the concept of the present application shall be within the legal protection scope of the present application.
Claims
1. A valve for a dual condenser air conditioning system in an automobile, characterized in that: The valve includes a valve seat, a valve cover, and a valve shaft assembly. The valve shaft assembly is installed in the valve seat. The valve cover is installed on the valve seat and covers the valve shaft assembly. A hole is configured on the valve cover. The valve shaft of the valve shaft assembly protrudes through the valve cover. An inlet is arranged on the valve cover. A first outlet and a second outlet are arranged on the periphery of the valve seat. The first outlet and the second outlet can be blocked by the valve shaft assembly. The valve plate is configured in the shape of an impeller of a fan, and at the end of each blade of the impeller, the valve plate is configured with a protrusion extending in the axial direction and matching the shape of the inner wall of the valve seat; The valve shaft assembly is rotatable in the valve seat, and the first outlet and the second outlet are blocked by the valve shaft assembly corresponding to different rotational positions of the valve shaft assembly in the valve seat; The valve shaft assembly includes a valve shaft, a spring and a valve disc. The valve shaft is rotatably mounted on the valve seat. The spring is sleeved on the valve shaft. The valve disc is fixed on the valve shaft. The first outlet and the second outlet are blocked by the valve disc of the valve shaft assembly. A spring seat is constructed in the valve cover for the spring in the valve shaft assembly, and a flow guide boss is constructed near the inlet of the valve cover for distributing the flow to the first outlet and the second outlet, the flow guide boss is arranged between the inlet and the spring seat; In the valve seat, a first protrusion is constructed near the first outlet, and a second protrusion is constructed near the second outlet. The first protrusion and the second protrusion are used to limit the valve plate. When the valve plate stops at the first protrusion, the valve plate completely blocks the first outlet. When the valve plate stops at the second protrusion, the valve plate completely blocks the second outlet.
2. The valve according to claim 1, characterized in that An axis identification feature is constructed on the portion of the valve shaft protruding from the valve cover, and a first identification feature, an intermediate identification feature, and a second identification feature are constructed on the valve cover. The valve shaft is rotated so that the axis identification feature corresponds in position to the first identification feature, the intermediate identification feature, and the second identification feature, respectively. The axis identification feature, the first identification feature, the intermediate identification feature, and the second identification feature are constructed such that when the axis identification feature corresponds to the first identification feature, it indicates that the first outlet is completely blocked; when the axis identification feature corresponds to the second identification feature, it indicates that the second outlet is completely blocked; and when the axis identification feature corresponds to the intermediate identification feature, it indicates that neither the first outlet nor the second outlet is blocked.
3. An automobile air conditioning system, characterized in that: A valve according to any one of claims 1 to 2 is provided.
4. A car, characterized in that: The vehicle air conditioning system according to claim 3 is provided.
Citation Information
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