Liquid accumulator integrated with expansion valve, compressor and new energy automobile
By integrating the expansion valve into the reservoir and adopting an integrated expansion valve structure, the leakage problem between the reservoir and the expansion valve is solved, improving the system's sealing performance and installation efficiency, and enhancing the system's reliability and seismic resistance.
Patent Information
- Application Number
- CN202520542117.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-26
AI Technical Summary
In the existing technology, when using R290 refrigerant, the pipeline between the receiver and the expansion valve is prone to leakage, the connection reliability is poor, and there are problems of refrigerant transmission resistance and heat loss.
The expansion valve is integrated into the reservoir, and the reservoir structure with integrated expansion valve includes a housing, reservoir outlet and inlet pipes, and built-in expansion valve. The housing is equipped with a drying and filtration assembly to separate the chamber, and a filter screen is installed on the inlet pipe to reduce leakage points and improve sealing.
It achieves a pipe-free design, improves installation efficiency and space utilization, enhances the system's leak-proof and seismic performance, and simplifies the assembly process.
Smart Images
Figure CN223869541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of vehicle-mounted refrigeration equipment, in particular to the liquid accumulator integrated with the expansion valve, compressor and new energy automobile. BACKGROUND
[0002] With the emergence of new refrigerants, R290 becomes the preferred option in the fourth generation of refrigerants HFOs, which has a very broad application market, but because of its flammability, R290 has very strict requirements for the anti-leakage ability and safety of the system.
[0003] The patent CN218600051U provides a new type of liquid accumulator and its assembly, mainly applied to air conditioning system, through improving the welding process and structure design, solves the problems of complex welding steps, low efficiency, high cost and unstable welding quality of traditional liquid accumulator. A kind of liquid accumulator and the liquid accumulator assembly with it are provided, comprising: cylinder assembly, cylinder assembly has gas inlet, gas outlet and cavity communicated with gas inlet and gas outlet;Gas inlet pipe is installed and fixed at gas inlet;Gas outlet pipe is installed and fixed at gas outlet;Wherein, the liquid accumulator is welded and formed by integral furnace welding, the first furnace welding joint between gas inlet pipe and gas inlet, the second furnace welding joint between gas outlet pipe and gas outlet.
[0004] This patent is an innovation for the welding process and structure design of the liquid accumulator, but it is still limited to the structure improvement of the liquid accumulator itself, without further thinking about the particularity of R290 refrigerant use, the problem of easy leakage between the liquid accumulator and the expansion valve still exists, the system still has the disadvantages of easy leakage, poor connection reliability, and refrigerant transmission resistance and heat loss.
[0005] Therefore, the utility model provides the liquid accumulator integrated with expansion valve, compressor and new energy automobile. UTILITY MODEL CONTENTS
[0006] For the problems in the prior art, the liquid accumulator integrated with expansion valve, compressor and new energy automobile of the utility model overcomes the difficulties of the prior art, can integrate the expansion valve into the liquid accumulator, facilitate the layout of subsequent pipe-free design of air conditioning system, reduce the leakage points between the liquid accumulator and the expansion valve, improve the installation efficiency and space utilization, and facilitate installation and later maintenance and management.
[0007] The embodiment of the utility model provides a kind of liquid accumulator integrated with expansion valve, comprising:
[0008] A shell, the shell interior forms the cavity containing refrigerant;
[0009] A liquid accumulator outlet pipe and a liquid accumulator inlet pipe are respectively arranged on the upper part of the shell.
[0010] An expansion valve is arranged in the upper part of the cavity, one side of the expansion valve is communicated with the outlet pipe of the liquid accumulator, and the bottom of the expansion valve is communicated with the bottom of the shell through an expansion valve inlet pipe.
[0011] Preferably, a drying filter assembly is arranged in the shell, and the drying filter assembly divides the cavity into a first cavity and a second cavity.
[0012] Preferably, the lower end of the expansion valve inlet pipe penetrates through a through hole of the drying filter assembly to reach the bottom of the second cavity, and the lower end of the expansion valve inlet pipe is provided with a filter screen.
[0013] Preferably, the liquid accumulator inlet pipe is inserted into the first cavity, and the refrigerant falls into the second cavity after drying and filtering through the drying filter assembly.
[0014] Preferably, the drying filter assembly comprises a filter screen and a drying agent fixed to the filter screen.
[0015] Preferably, an expansion valve platform is integrally formed in the upper part of the shell, and the expansion valve platform supports and limits the expansion valve.
[0016] Preferably, a plurality of threaded ear plates are arranged on the outer periphery of the shell, and a sight glass is arranged on the top of the shell.
[0017] The embodiment of the utility model further provides a compressor comprising the integrated expansion valve liquid accumulator, the compressor is a horizontal compressor, the shell is a cuboid shell, the liquid accumulator outlet pipe of the liquid accumulator is connected with an evaporator, and the liquid accumulator inlet pipe of the liquid accumulator is connected with a condenser.
[0018] The embodiment of the utility model further provides a compressor comprising the integrated expansion valve liquid accumulator, the compressor is a horizontal compressor, the shell is a cuboid shell, the liquid accumulator outlet pipe of the liquid accumulator is connected with an evaporator, and the liquid accumulator inlet pipe of the liquid accumulator is connected with a condenser.
[0019] The embodiment of the utility model further provides a new energy automobile comprising the compressor.
[0020] The integrated expansion valve liquid accumulator, the compressor and the new energy automobile can integrate the expansion valve into the liquid accumulator, facilitate the subsequent layout of the air conditioning system, realize the design without pipeline, reduce the leakage points between the liquid accumulator and the expansion valve, improve the installation efficiency and the space utilization, and facilitate the installation and the later maintenance and management. BRIEF DESCRIPTION OF DRAWINGS
[0021] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings.
[0022] Figure 1 is a perspective view of a first integrated expansion valve reservoir of the present application.
[0023] Figure 2 is a cross-sectional view of the first integrated expansion valve reservoir of the present application.
[0024] Figure 3 is a connection state schematic view of the first integrated expansion valve reservoir of the present application.
[0025] Figure 4 is a perspective view of a second integrated expansion valve reservoir of the present application.
[0026] Figure 5 is a perspective cross-sectional view of the first integrated expansion valve reservoir of the present application.
[0027] Figure 6 is a top view of the second integrated expansion valve reservoir of the present application.
[0028] Figure 7 is Figure 6 a sectional view in the K-K direction.
[0029] Reference signs
[0030] 1 reservoir
[0031] 1' reservoir
[0032] 11 housing
[0033] 11A first cavity
[0034] 11B second cavity
[0035] 12 reservoir outlet pipe
[0036] 13 reservoir inlet pipe
[0037] 14 screw ear plate
[0038] 15 sight glass
[0039] 16 hollow plate
[0040] 17 expansion valve platform
[0041] 18 expansion valve
[0042] 19 filter screen
[0043] 10 expansion valve inlet pipe
[0044] 2 evaporator
[0045] 3 condenser DETAILED DESCRIPTION
[0046] The advantages and effects of the present application disclosed in the present application can be easily understood by the preferred embodiments of the present application described below. The present application can be implemented or applied in other different embodiments and systems, and the details of the present application can be modified or changed in various ways without departing from the spirit of the present application. It is to be noted that the embodiments of the present application and the features of the embodiments can be combined with each other without conflict.
[0047] The embodiments of the present application will be described in detail with reference to the accompanying drawings. The present application can be embodied in various ways, and is not limited to the embodiments described herein.
[0048] In the present application, the expressions of "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" mean that the specific features, structures, materials, or characteristics expressed in connection with the embodiment or example are included in at least one embodiment or example of the present application. Also, the specific features, structures, materials, or characteristics expressed can be combined in any one or more embodiments or examples in an appropriate manner. In addition, the different embodiments or examples expressed in the present application and the features of the different embodiments or examples can be combined and integrated by those skilled in the art without conflict, if not contradictory.
[0049] In addition, the terms "first", "second", etc. are used only to indicate the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0050] In order to clearly explain the present application, devices irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar constituent elements throughout the specification.
[0051] Throughout the specification, when it is said that a device is "connected" to another device, it includes not only the case of "direct connection", but also the case of "indirect connection" in which other elements are interposed therebetween. In addition, when it is said that a device "includes" a certain constituent element, other constituent elements are not excluded unless specifically stated to the contrary, but it means that other constituent elements can also be included.
[0052] When it is said that a device is "on" another device, it can be directly on the other device or intervening devices can be present therebetween. When it is said that a device is "directly on" another device, there are no intervening devices therebetween.
[0053] Although the terms first, second, etc. can be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first interface and a second interface, etc. are distinguished from each other. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises", "comprising", "includes" and / or "including" means that there are no exclusions of other elements, steps, operations, elements, components, items, groups, and / or kinds that can be added. The terms "or" and "and / or" as used herein are to be interpreted as inclusive, i.e., meaning either or any combination thereof. Therefore, "A, B or C" or "A, B and / or C" means any of the following: A; B; C; A and B; A and C; B and C; A, B and C. An exception to this definition will occur only when a combination of elements, functions, steps or acts are in some way inherently mutually exclusive.
[0054] The technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless clearly indicated otherwise. The meaning of "in" and "comprise" as used in the specification includes "consisting of" and "consisting essentially of" unless otherwise stated.
[0055] The technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless clearly indicated otherwise. The meaning of "in" and "comprise" as used in the specification includes "consisting of" and "consisting essentially of" unless otherwise stated.
[0056] Figure 1 is a perspective view of a first liquid accumulator integrated with an expansion valve according to the present application. Figure 2 is a cross-sectional view of the first liquid accumulator integrated with an expansion valve according to the present application. Figure 3 is a schematic view of a connection state of the first liquid accumulator integrated with an expansion valve according to the present application. Figures 1 to 3As shown, the first liquid accumulator integrated with the expansion valve 1 comprises a shell 11, a liquid accumulator outlet pipe 12, a liquid accumulator inlet pipe 13 and an expansion valve 18. The shell 11 is a cuboid shell, and a cavity for containing refrigerant is formed in the shell 11. The liquid accumulator outlet pipe 12 and the liquid accumulator inlet pipe 13 are arranged on the two sides of the upper portion of the shell 11. The expansion valve 18 is arranged in the upper portion of the cavity, and the expansion valve 18 is communicated with the liquid accumulator outlet pipe 12 on one side, and the bottom of the expansion valve 18 is communicated with the bottom of the shell 11 through the expansion valve inlet pipe 10.
[0057] In a preferred embodiment, a drying and filtering assembly 16 is arranged in the shell 11, and the drying and filtering assembly 16 divides the cavity into a first cavity 11A and a second cavity 11B, but the application is not limited thereto.
[0058] In a preferred embodiment, the lower end of the expansion valve inlet pipe 10 penetrates through the through hole arranged in the drying and filtering assembly 16 to reach the bottom of the second cavity 11B, and a filter screen 19 is arranged at the lower end of the expansion valve inlet pipe 10, but the application is not limited thereto.
[0059] In a preferred embodiment, the liquid accumulator inlet pipe 13 is inserted into the first cavity 11A, and after the refrigerant enters the first cavity 11A from the liquid accumulator inlet pipe 13, the refrigerant is dried and filtered by the drying and filtering assembly 16 and then falls into the second cavity 11B, but the application is not limited thereto.
[0060] In a preferred embodiment, the drying and filtering assembly 16 comprises a filter screen and a drying agent fixed to the filter screen, but the application is not limited thereto.
[0061] In a preferred embodiment, an expansion valve platform 17 is further arranged, the expansion valve platform 17 is integrally formed in the upper portion of the shell 11, the expansion valve platform 17 supports and limits the expansion valve 18, in this embodiment, the expansion valve 18 is fixed to the upper surface of the expansion valve platform 17, so that the impact on the expansion valve 18 is avoided when the refrigerant flows at high speed and turns (if the expansion valve 18 is not fixed to the shell 11, the refrigerant flow will shake the expansion valve 18 violently, and vibration and noise are formed), and the vibration and noise of the expansion valve 18 after being integrated are reduced, but the application is not limited thereto.
[0062] In a preferred embodiment, the shell 11 is further provided with a through hole, and a control cable is connected to the expansion valve 18 through the through hole, so as to control the working state of the expansion valve 18, but the application is not limited thereto.
[0063] In a preferred embodiment, a plurality of threaded ear plates 14 are arranged on the outer periphery of the shell 11, and a liquid viewing mirror 15 is arranged on the top of the shell 11, but the application is not limited thereto.
[0064] In a preferred embodiment, one side of the cuboid shell is provided with an evaporator side fixing plate connected with the evaporator, the other side is provided with a condenser side fixing plate connected with the condenser, and the bottom of the cuboid shell is provided with a compressor side fixing plate connected with the compressor, but the application is not limited thereto.
[0065] The utility model also provides a first compressor, including integrated expansion valve's liquid accumulator (see Figures 1 to 3 ), the compressor is a horizontal compressor, the shell 11 is a cuboid shell, the liquid accumulator outlet pipe 12 of liquid accumulator is connected with the evaporator 2, the liquid accumulator inlet pipe 13 of liquid accumulator is connected with the condenser 3. The utility model sets up expansion valve mounting platform in the inside of liquid accumulator, and the structure of integrating expansion valve into the inside of liquid accumulator through platform, and, still install the structure of filter device on expansion valve inlet pipeline. The utility model can also increase the structure that can be fixed to other module in the shell of liquid accumulator, including the fixed plate structure connected with evaporator, condenser and compressor respectively, or only with one of three or any two of them is connected fixed plate structure, but the application is not limited thereto.
[0066] The utility model provides a kind of integrated expansion valve's liquid accumulator structure of adaptation R290 refrigerant, Figures 1 to 2 It is the schematic diagram of liquid accumulator shell, is arranged with evaporator side fixing plate, liquid accumulator outlet pipe 12, compressor side fixing plate, liquid accumulator inlet pipe 13, condenser side fixing plate and glass sight glass 15, wherein each fixed plate is waist type hole, and it is convenient to assemble. In addition, liquid accumulator shell is integral welded structure, and sealing ring is mounted on inlet and outlet pipe to ensure the sealing property of module. The internal structure of relevant liquid accumulator 1, it is composed of liquid accumulator shell 11, expansion valve 18, expansion valve platform 17, drying filter assembly 16 (filter screen and drying agent combination), expansion valve inlet pipe 10, the fixed plate of each component and inlet and outlet pipeline etc., wherein, drying filter assembly 16 separates first cavity 11A and second cavity 11B of cavity upper and lower.In the integrated expansion valve's liquid accumulator in the utility model, when refrigerant fluid enters liquid accumulator inlet pipe 13, from inlet passage mouth into first cavity 11A, first cavity 11A is composed of controller shell and drying filter assembly 16, and the bottom of first cavity 11A is drying filter assembly 16 that is laid drying agent. After drying and filtering of refrigerant through drying filter assembly 16, reach second cavity 11B, and filter screen 19 is sleeved on expansion valve inlet pipe 10 in second cavity 11B, so that impurities are filtered out when refrigerant enters expansion valve 18. Then through expansion valve 18 throttling, enter evaporator 2 through liquid accumulator outlet pipe 12. In this process, the circulation path of refrigerant is shortened, the sealing property of circulation is increased, and the anti-leakage performance of system is greatly improved.
[0067] The integrated structure can simplify the whole system, further shorten the assembly process, improve the assembly efficiency, the liquid storage device structure of the integrated expansion valve can shorten the circulation path of the refrigerant, increase the sealing property of the circulation, and greatly improve the anti-leakage performance of the system, the connection mode can make the structure of the system more compact and stable, improve the anti-vibration performance of the system, and enhance the reliability of the system under complex working conditions.
[0068] Figure 4 is a third perspective view of the integrated expansion valve's liquid storage device of the utility model. Figure 5 is a first perspective view of the integrated expansion valve's liquid storage device of the utility model. Figure 6 is a second perspective view of the integrated expansion valve's liquid storage device of the utility model. Figure 7 is Figure 6 is a sectional view in the K-K direction. Figures 4 to 7 As shown in the figure, the second integrated expansion valve's liquid storage device 1' of the utility model comprises a shell 11, a liquid storage device outlet pipe 12, a liquid storage device inlet pipe 13 and an expansion valve 18.
[0069] The utility model further provides a second compressor, comprising the integrated expansion valve's liquid storage device (see Figures 4 to 7 ), the compressor is a vertical compressor, the shell 11 is a cylindrical shell, the liquid storage device outlet pipe 12 of the liquid storage device is connected with the evaporator 2, and the liquid storage device inlet pipe 13 of the liquid storage device is connected with the condenser 3, but is not limited thereto.
[0070] The utility model further provides a new energy automobile, comprising the first compressor or the second compressor as described above, but is not limited thereto.
[0071] In summary, the integrated expansion valve's liquid storage device, the compressor and the new energy automobile can integrate the expansion valve into the liquid storage device, facilitate the subsequent layout of the air conditioning system without pipeline design, reduce the leakage point between the liquid storage device and the expansion valve, improve the installation efficiency and space utilization, facilitate installation and post-maintenance management.
[0072] The above is further detailed description of the utility model in combination with specific preferred embodiments, and cannot be deemed as limitation of the specific implementation of the utility model to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them shall be deemed as belonging to the protection scope of the utility model.
Claims
1. A liquid reservoir with an integrated expansion valve, characterized in that, include: A housing (11), wherein a cavity for containing refrigerant is formed inside the housing (11); A liquid reservoir outlet pipe (12) and a liquid reservoir inlet pipe (13) are respectively disposed on the upper part of the housing (11); and An expansion valve (18) is built into the upper part of the cavity. One side of the expansion valve (18) is connected to the outlet pipe (12) of the reservoir, and the bottom of the expansion valve (18) is connected to the bottom of the housing (11) through the expansion valve inlet pipe (10).
2. The reservoir with an integrated expansion valve as described in claim 1, characterized in that, The housing (11) is provided with a drying and filtering assembly (16) inside, which divides the cavity into a first cavity (11A) and a second cavity (11B) by vertical separation.
3. The reservoir with an integrated expansion valve as described in claim 2, characterized in that, The lower end of the expansion valve inlet pipe (10) passes through the through hole provided in the drying filter assembly (16) to reach the bottom of the second cavity (11B), and a filter screen (19) is provided at the lower end of the expansion valve inlet pipe (10).
4. The reservoir with an integrated expansion valve as described in claim 2, characterized in that, The inlet pipe (13) of the reservoir is inserted into the first cavity (11A). After the refrigerant enters the first cavity (11A) from the inlet pipe (13), it is dried and filtered by the drying and filtering assembly (16) and then falls into the second cavity (11B).
5. The reservoir with an integrated expansion valve as described in claim 2, characterized in that, The drying and filtering assembly (16) includes a filter screen and a desiccant fixed to the filter screen.
6. The reservoir with an integrated expansion valve as described in claim 1, characterized in that, It also includes an expansion valve platform (17), which is integrally formed in the upper part of the housing (11), and the expansion valve platform (17) supports and limits the expansion valve (18).
7. The reservoir with an integrated expansion valve as described in claim 1, characterized in that, The outer periphery of the housing (11) is provided with several screw-on lugs (14), and the top of the housing (11) is provided with a sight glass (15).
8. A compressor, characterized in that, The receiver includes an integrated expansion valve as described in claim 1, the compressor is a horizontal compressor, the housing (11) is a cuboid housing, the receiver outlet pipe (12) of the receiver is connected to the evaporator (2), and the receiver inlet pipe (13) of the receiver is connected to the condenser (3).
9. A compressor, characterized in that, The receiver includes an integrated expansion valve as described in claim 1, the compressor is a vertical compressor, the housing (11) is a cylindrical housing, the receiver outlet pipe (12) of the receiver is connected to the evaporator (2), and the receiver inlet pipe (13) of the receiver is connected to the condenser (3).
10. A new energy vehicle, characterized in that, Includes the compressor as described in claim 8 or 9.