Throttling noise reduction device and vehicle
By installing a spoiler and damping tube inside the flow channel, the noise problem of the vehicle refrigerator throttle is solved, achieving a balance between noise reduction and pressure loss efficiency, and improving the comfort of the in-vehicle environment.
Patent Information
- Application Number
- CN202520017430.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Existing vehicle refrigerators are separate from the vehicle's thermal management system, occupying a large space and incurring high costs. The throttle is located in the passenger compartment, generating noise and affecting the passenger experience.
A baffle and a damping tube are installed inside the flow channel. The baffle changes the direction of refrigerant flow, and the damping tube absorbs vibration and reduces noise generation.
It significantly reduces noise during the throttling process, improves passenger cabin comfort, and does not reduce the refrigerator's pressure loss efficiency. Its simple structure makes it easy to manufacture and install.
Smart Images
Figure CN223678013U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field especially is related to a throttling noise reduction device and vehicle. BACKGROUND
[0002] The vehicle-mounted refrigerator and the whole vehicle heat management system are independent in the current market, cannot realize higher efficient integrated utilization, occupy larger space, have more components and are higher in cost. Some vehicle enterprises begin to try to realize the refrigerator function with lower cost, wherein the throttling device is used to replace the electronic expansion valve, but the throttling device is located in the passenger cabin, and the high-pressure liquid refrigerant or gas-liquid two-phase refrigerant generates larger noise when passing through the throttling device, which can be obviously perceived by passengers in the quiet passenger cabin, causing complaints. SUMMARY
[0003] The utility model discloses at least one of the technical problems in the prior art is solved. To this end, the utility model provides a throttling noise reduction device, which can reduce bubbles and turbulence caused by rapid throttling of refrigerant and significantly reduce noise.
[0004] The utility model further provides a vehicle with the throttling noise reduction device.
[0005] The throttling noise reduction device according to the first aspect of the utility model is used for a vehicle-mounted refrigerator and includes a sleeve, a flow channel is formed in the sleeve, the flow channel extends along the axial direction of the sleeve, one end of the sleeve is formed with a liquid inlet communicated with the flow channel, the other end of the sleeve is formed with a liquid outlet communicated with the flow channel, a spoiler is arranged in the flow channel, and the spoiler extends radially from inside to outside in the direction from the liquid inlet to the liquid outlet.
[0006] The throttling noise reduction device according to the utility model can slow down the flow rate of refrigerant, avoid noise generated by high-speed flow, improve the passenger cabin experience, and not reduce the pressure loss of the integrated refrigerator branch, the whole device has simple structure, is easy to manufacture and install, and improves production efficiency.
[0007] In some embodiments, the spoiler includes a plurality of spoilers, and the plurality of spoilers are arranged in the axial direction of the sleeve.
[0008] In some embodiments, the flow channel includes a liquid inlet section, a first section, a second section, a third section and a liquid outlet section connected in sequence, the spoiler is arranged in the second section, the cross-sectional area of the liquid inlet section is smaller than that of the first section, and the cross-sectional area of the third section is larger than that of the liquid outlet section.
[0009] In some embodiments, the throttling noise reduction device further comprises a damping tube extending along the axial direction of the sleeve, the damping tube being sleeved in the second section, and one end of the spoiler being connected to the damping tube radially outward.
[0010] In some embodiments, a spoiler passage is defined within the spoiler, and a cross-sectional area of the spoiler passage gradually increases in a direction from the liquid inlet to the liquid outlet.
[0011] In some embodiments, a spoiler area is defined between the spoiler and the damping tube, and a cross-sectional area of the spoiler area gradually decreases in a direction from the liquid inlet to the liquid outlet, and the spoiler area communicates with the spoiler passage.
[0012] In some embodiments, the damping tube comprises a plurality of damping tubes arranged along the axial direction, each of the damping tubes is provided with at least one spoiler, the spoiler passages communicate with each other, and each of the spoilers defines the spoiler area with the corresponding damping tube.
[0013] In some embodiments, the sleeve comprises a first tube and a second tube, the first tube and the second tube are connected in the axial direction, the first tube and the second tube define a flow channel, the liquid inlet is formed on one of the first tube and the second tube, and the liquid outlet is formed on the other one of the first tube and the second tube.
[0014] In some embodiments, an inner wall of at least one of the first tube and the second tube is formed with a support rib, the support rib extends along the axial direction of the sleeve and is arranged around the circumference of the sleeve.
[0015] The vehicle according to the second aspect of the present application comprises a vehicle-mounted refrigerator and the throttling noise reduction device according to the first aspect of the present application, the vehicle-mounted refrigerator comprises a liquid cooling pipe, and the throttling noise reduction device is arranged in the liquid cooling pipe.
[0016] The vehicle according to the present application reduces noise generated in the throttling process by arranging the throttling noise reduction device according to the first aspect, and improves the comfort of the in-vehicle environment.
[0017] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a schematic view of a throttling noise reduction device according to an embodiment of the present application;
[0019] Figure 2 is Figure 1Assembly schematic of throttling noise reduction device shown in FIG. 1;
[0020] Figure 3 is Figure 1 Principle schematic of throttling noise reduction device shown in FIG. 1;
[0021] Figure 4 is Figure 2 Schematic of damping tube shown in FIG. 1;
[0022] Figure 5 is Figure 4 Cross-sectional schematic of damping tube shown in FIG. 1;
[0023] Figure 6 is Figure 1 Schematic of first tube shown in FIG. 1;
[0024] Figure 7 is Figure 1 Schematic of second tube shown in FIG. 1;
[0025] Figure 8 is Figure 7 Cross-sectional schematic of second tube shown in FIG. 1;
[0026] Figure 9 is Figure 7 Side view schematic of second tube shown in FIG. 1.
[0027] Reference signs:
[0028] 100, throttling noise reduction device;
[0029] 1, sleeve; 11, first tube; 12, second tube; 13, support rib;
[0030] 2, flow channel; 21, liquid inlet; 22, liquid outlet; 23, liquid inlet section; 24, first section; 25, second section; 26, third section; 27, liquid outlet section;
[0031] 3, spoiler; 31, spoiler channel;
[0032] 4, damping tube; 41, spoiler area;
[0033] 200, liquid cooling tube; 201, liquid cooling channel. DETAILED DESCRIPTION
[0034] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0035] First, referenceFigures 1-9 The vehicle according to the second aspect of the present application is briefly described, and the vehicle comprises the throttling and noise reduction device 100 according to the first aspect of the present application.
[0036] The vehicle according to the present application comprises a refrigerator and the throttling and noise reduction device 100 according to the first aspect of the present application, and the vehicle-mounted refrigerator comprises a liquid cooling pipe 200, and the throttling and noise reduction device 100 is arranged in the liquid cooling pipe 200.
[0037] As shown in Figures 2-3 The liquid cooling pipe 200 is formed with a liquid cooling channel 201, and the refrigerant can flow in the liquid cooling channel 201. The throttling and noise reduction device 100 is arranged in the liquid cooling pipe 200 and located in the liquid cooling channel 201. The flow channel 2 is in communication with the liquid cooling channel 201. The liquid inlet 21 is located at an upstream position of the refrigerant, and the liquid outlet 22 is located at a downstream position of the refrigerant. It can be understood that the throttling and noise reduction device 100 arranged in the liquid cooling pipe 200 of the refrigerator solves the noise problem caused by the traditional throttler. Therefore, not only the throttling effect of the refrigerant can be effectively realized, but also the noise generated in the throttling process can be significantly reduced, thereby improving the comfort of the indoor environment.
[0038] The throttling and noise reduction device 100 according to the first aspect of the present application is described below with reference to Figures 1-9
[0039] As shown in Figures 1-3 The throttling and noise reduction device 100 for the refrigerator according to the first aspect of the present application comprises a sleeve 1. The sleeve 1 is formed with a flow channel 2 extending in the axial direction of the sleeve 1. One end of the sleeve 1 is formed with a liquid inlet 21 in communication with the flow channel 2. The other end of the sleeve 1 is formed with a liquid outlet 22 in communication with the flow channel 2. A spoiler 3 is arranged in the flow channel 2. In the direction from the liquid inlet 21 to the liquid outlet 22, the spoiler 3 extends in the radial direction from inside to outside. It can be understood that the sleeve 1 is the main body of the entire device, and the flow channel 2 extending in the axial direction is formed inside. One end of the sleeve 1 is provided with the liquid inlet 21, and the other end is provided with the liquid outlet 22, which are respectively in communication with the flow channel 2. The flow channel 2 is the main path for the refrigerant to flow. From the liquid inlet 21 to the liquid outlet 22, the refrigerant completes throttling and pressure reduction in this process. The spoiler 3 is arranged in the flow channel 2, and in the direction from the liquid inlet 21 to the liquid outlet 22, the spoiler 3 extends in the radial direction from inside to outside.
[0040] The working principle of the throttle noise reduction device 100 is as follows: high-pressure liquid refrigerant enters the flow channel 2 from the liquid inlet 21, and the existence of the spoiler plate 3 makes the refrigerant change direction constantly when flowing in the flow channel 2, which helps to disperse the energy of the refrigerant and reduce local pressure mutation; the inclined design of the spoiler plate 3 can slow down the flow rate of the refrigerant, avoiding the noise generated by high-speed flow; the spoiler plate 3 helps to uniformly distribute the refrigerant in the flow channel 2, avoiding overheating or supercooling phenomenon in local areas; as the refrigerant continues to flow to the liquid outlet 22, its pressure gradually decreases, and part of the liquid refrigerant is converted into gas; due to the effect of the spoiler plate 3, the flow of the refrigerant in the flow channel 2 becomes more stable, reducing the bubbles and turbulence caused by rapid throttling, thereby significantly reducing the noise.
[0041] According to the throttle noise reduction device 100 of the embodiment of the utility model, by setting the spoiler plate 3 in the flow channel 2, the flow rate of the refrigerant can be slowed down, the noise generated by high-speed flow can be avoided, the passenger cabin experience can be improved, and the pressure loss of the integrated refrigerator branch is not reduced, the whole device structure is simple, easy to manufacture and install, and the production efficiency is improved.
[0042] In some embodiments of the utility model, the spoiler plate 3 includes a plurality of spoiler plates 3, and the plurality of spoiler plates 3 are arranged along the axial direction of the sleeve 1. It can be understood that by setting a plurality of spoiler plates 3 arranged along the axial direction in the flow channel 2, the flow characteristics of the refrigerant can be more effectively improved and the noise can be reduced, the existence of the plurality of spoiler plates 3 makes the refrigerant change direction multiple times when flowing in the flow channel 2, which helps to gradually disperse the energy of the refrigerant and reduce local pressure mutation, the inclined design of each spoiler plate 3 can slow down the flow rate of the refrigerant, avoiding the noise generated by high-speed flow, and the plurality of spoiler plates 3 help to more uniformly distribute the refrigerant in the flow channel 2, avoiding overheating or supercooling phenomenon in local areas.
[0043] In some embodiments of the utility model, as shown in Figure 2 and Figure 3 , the flow channel 2 includes a liquid inlet section 23, a first section 24, a second section 25, a third section 26 and a liquid outlet section 27 connected in sequence, the spoiler plate 3 is arranged in the second section 25 and used for changing the flow direction and speed of the refrigerant and reducing the noise, the cross-sectional area of the liquid inlet section 23 is smaller than that of the first section 24, due to the smaller cross-sectional area of the liquid inlet section 23, the throttling effect is achieved, and the speed of the refrigerant after throttling will increase, rapidly entering the first section 24, in the first section 24, the design of the larger cross-sectional area helps to buffer high-speed flow, so that the refrigerant gradually stabilizes, the cross-sectional area of the third section 26 is larger than that of the liquid outlet section 27, the refrigerant enters the third section 26, and the design of the larger cross-sectional area helps to further slow down the flow rate, so that the refrigerant is more stable, and the refrigerant enters the liquid outlet section 27, due to the smaller cross-sectional area, it is helpful to maintain a certain flow rate, and finally flows out from the liquid outlet 22.
[0044] In some embodiments of the utility model, as shown in Figure 2 The throttling noise reduction device 100 further comprises a damping pipe 4 extending along the axial direction of the sleeve pipe 1, the damping pipe 4 is sleeved in the second section 25, and one end of the spoiler 3 radially outside is connected with the damping pipe 4. It can be understood that the refrigerant enters the second section 25, changes direction and speed multiple times through the action of the damping pipe 4 and the spoiler 3, gradually disperses energy, reduces local pressure mutation, and the damping pipe 4 can further absorb and weaken the vibration and noise generated by throttling.
[0045] In some embodiments of the utility model, as shown in Figure 2 The spoiler 3 is surrounded by a spoiler passage 31, and the cross-sectional area of the spoiler passage 31 gradually increases in the direction from the liquid inlet 21 to the liquid outlet 22. It can be understood that by arranging the spoiler passage 31 in the spoiler 3 and gradually increasing the cross-sectional area of the spoiler passage 31, the flow characteristics and noise reduction effect of the refrigerant are further optimized, which not only can effectively control the flow of the refrigerant, but also can significantly reduce the noise.
[0046] In some embodiments of the utility model, as shown in Figure 3 The spoiler 3 and the damping pipe 4 define a spoiler area 41, the cross-sectional area of the spoiler area 41 gradually decreases in the direction from the liquid inlet 21 to the liquid outlet 22, and the spoiler area 41 is communicated with the spoiler passage 31. It can be understood that by defining the spoiler area 41 between the spoiler 3 and the damping pipe 4 and gradually reducing the cross-sectional area of the spoiler area 41, the flow characteristics and noise reduction effect of the refrigerant are further optimized. Specifically, through the damping pipe 4, the multi-stage spoiler 3, the spoiler area 41 and the spoiler passage 31 with gradually changing cross-sectional area, the energy of the refrigerant is gradually dispersed, the local pressure mutation is reduced, the flow of the refrigerant is more stable, the noise is further reduced, and the gradual reduction of the spoiler area 41 helps to improve the throttling effect, and the gradual increase of the spoiler passage 31 helps to smoothly transition the flow of the refrigerant, reduce turbulence and formation of bubbles.
[0047] Further, as shown in Figure 2 And Figure 3As shown, the damping tubes 4 include multiple damping tubes arranged axially. Each damping tube 4 contains at least one baffle 3, and all baffle channels 31 are interconnected. Each baffle 3 defines a baffle zone 41 with its corresponding damping tube 4. That is, each damping tube 4 can contain one baffle 3 (arc-shaped). Thus, the baffle zone 41 defined between each baffle 3 and its corresponding damping tube 4 gradually decreases in cross-sectional area from the liquid inlet 21 to the liquid outlet 22, which helps to improve the throttling effect and reduce the sudden release of high-pressure refrigerant. The baffle channels 31 surrounding the baffle 3 gradually increase in cross-sectional area from the liquid inlet 21 to the liquid outlet 22. All baffle channels 31 are interconnected, which helps to smoothly transition the refrigerant flow, reduce turbulence and bubble formation, and further reduce noise.
[0048] In some embodiments of this utility model, the sleeve 1 includes a first tube 11 and a second tube 12, the first tube 11 and the second tube 12 are connected in the axial direction, the first tube 11 and the second tube 12 define an outlet channel 2, an inlet 21 is formed on one of the first tube 11 and the second tube 12, and an outlet 22 is formed on the other of the first tube 11 and the second tube 12. Figures 6-9 As shown, an inlet 21 is formed on the first pipe 11 and an outlet 22 is formed on the second pipe 12. The first pipe 11 and the second pipe 12 are connected to define the outlet channel 2. Thus, the overall structure is simple, easy to assemble, and improves the production efficiency of the throttling and noise reduction device 100.
[0049] Furthermore, such as Figures 7-9 As shown, at least one of the first tube 11 and the second tube 12 has a support rib 13 formed on its inner wall, which helps to enhance the structural stability of the sleeve 1 and reduce vibration. The support rib 13 extends along the axial direction of the sleeve 1 and is arranged around the circumference of the sleeve 1. The support rib 13 can also guide the flow of refrigerant, reduce turbulence, and make the flow of refrigerant more stable.
[0050] The vehicle according to the second aspect of the present invention includes a throttling and noise reduction device 100 according to the first aspect of the present invention, and the vehicle refrigerator includes a liquid cooling pipe 200, wherein the throttling and noise reduction device 100 is disposed in the liquid cooling pipe 200.
[0051] like Figure 2 and Figure 3As shown, the liquid cooling pipe 200 is formed with a liquid cooling channel 201, the refrigerant can flow in the liquid cooling channel 201, the throttling noise reduction device 100 is arranged in the liquid cooling pipe 200 and located in the liquid cooling channel 201, the flow channel 2 is communicated with the liquid cooling channel 201, the liquid inlet 21 is located at the upstream position of the refrigerant, and the liquid outlet 22 is located at the downstream position of the refrigerant. It can be understood that the throttling noise reduction device 100 arranged in the liquid cooling pipe 200 of the refrigerator solves the noise problem caused by the traditional throttling device, so that the throttling effect of the refrigerant can be effectively realized, and the noise generated in the throttling process can be significantly reduced, thereby improving the comfort of the indoor environment.
[0052] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation of the present application.
[0053] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.
[0054] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0055] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without mutual contradiction.
[0056] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A throttling and noise reduction device for a vehicle-mounted refrigerator, characterized in that, The sleeve has a flow channel formed therein, the flow channel extending in the axial direction of the sleeve, one end of the sleeve being formed with a liquid inlet communicating with the flow channel, the other end of the sleeve being formed with a liquid outlet communicating with the flow channel, and the flow channel being provided with a spoiler plate inclined and extending in the radial direction from inside to outside in the direction from the liquid inlet to the liquid outlet. The spoiler plate comprises a plurality of spoiler plates arranged in the axial direction of the sleeve.
2. The throttling noise reduction device of claim 1, wherein The flow channel comprises a liquid inlet section, a first section, a second section, a third section and a liquid outlet section connected in sequence, the spoiler plate being arranged in the second section, the cross-sectional area of the liquid inlet section being smaller than that of the first section, and the cross-sectional area of the third section being larger than that of the liquid outlet section.
3. The throttling noise reduction device of claim 2, wherein, Further comprising:
4. The throttling noise reduction device of claim 3, wherein A damping tube extending in the axial direction of the sleeve, the damping tube being sleeved in the second section, and one end of the spoiler plate outside in the radial direction being connected with the damping tube. The spoiler plate is surrounded by a spoiler passage, the cross-sectional area of the spoiler passage gradually increasing in the direction from the liquid inlet to the liquid outlet.
5. The throttling noise reduction device of claim 4, wherein, The spoiler plate and the damping tube define a spoiler area, the cross-sectional area of the spoiler area gradually decreasing in the direction from the liquid inlet to the liquid outlet, and the spoiler area communicating with the spoiler passage.
6. The throttling noise reduction device of claim 5, wherein, The damping tube comprises a plurality of damping tubes arranged in the axial direction, each of the damping tubes being provided with at least one spoiler plate, the spoiler passages all communicating, and each of the spoiler plates defining the spoiler area with the corresponding damping tube.
7. The throttling noise reduction device of claim 6, wherein The sleeve comprises a first tube and a second tube, the first tube and the second tube being connected in the axial direction, the first tube and the second tube defining the flow channel, the liquid inlet being formed on one of the first tube and the second tube, and the liquid outlet being formed on the other of the first tube and the second tube.
8. The throttling noise reduction device of claim 1, wherein, The inner wall of at least one of the first tube and the second tube is formed with a support rib, the support rib extending in the axial direction of the sleeve and being arranged around the circumference of the sleeve.
9. The throttling noise reduction device of claim 8, wherein, The vehicle-mounted refrigerator comprises a liquid cooling pipe, and the throttle noise reduction device is arranged in the liquid cooling pipe.
10. A vehicle characterized by comprising: