Vehicle-mounted air conditioner module and automobile
By adding a guide style grid in the blower air outlet diffuser section of the vehicle air conditioning module, the problems of poor evaporator speed uniformity, low refrigeration performance and noise caused by short air outlet distance and insufficient diffusing pressure in the mid-type air conditioner are solved, and more efficient refrigeration performance and reduced noise risks are achieved.
Patent Information
- Application Number
- CN202421677217.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-16
AI Technical Summary
Due to the short air outlet distance and insufficient diffusion pressure, the mid-type air conditioner leads to poor uniformity of the evaporator speed, low refrigeration performance and noise problems.
The air flow is divided into the air discharge diffusion section of the blower, and the air flow is divided into the sub-air flow with equal air volume, and uniformly supplied to each area of the evaporator.
Improves the speed uniformity of the evaporator, improves the refrigeration performance, and reduces the risk of noise.
Smart Images
Figure CN222769221U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of vehicle-mounted refrigeration equipment, in particular to a vehicle-mounted air-conditioning module and a vehicle. Background Art
[0002] New energy vehicles have increasingly higher requirements for air conditioning performance and noise levels. Because center-mounted air conditioners occupy less space in the Y direction, more and more OEMs are using this type of air conditioner. However, this type of center-mounted air conditioner has a short air outlet distance and insufficient pressure diffusion, which causes problems such as poor evaporator velocity uniformity and noise. Since the air volume in the central area of the diffuser volute in the air conditioner is large and the air volume in the edge area is small, when passing through the evaporator, a large amount of air will exchange heat with the central area of the evaporator, and only a small amount of air will exchange heat with the edge area of the evaporator, which restricts the heat exchange effect of the evaporator, resulting in uneven temperature of the air flow blowing out of the outlet, affecting the user's body feeling.
[0003] The prior art has the following technical disadvantages:
[0004] 1. New energy vehicles have higher requirements for NVH and air conditioning performance.
[0005] 2. The evaporator has poor uniformity, which affects the refrigeration performance and generates noise.
[0006] 3. There is a vortex in the expansion section of the fan volute, which poses a noise risk.
[0007] Therefore, the utility model provides a smaller vehicle air-conditioning module and a car having the vehicle air-conditioning module. Summary of the invention
[0008] In response to the problems in the prior art, the vehicle-mounted air-conditioning module and the vehicle of the utility model overcome the difficulties of the prior art. By adding an air guide grille in the air outlet diffusion section of the blower, the high-speed air outlet area can be guided to the low-speed area, thereby improving the speed uniformity of the evaporator and the evaporator refrigeration performance, while reducing the noise risk.
[0009] An embodiment of the utility model provides a vehicle air conditioning module, comprising:
[0010] a blower for generating an air flow;
[0011] a diffuser volute, for guiding the air flow generated by the blower to the main air outlet;
[0012] an air guide grille, arranged in the diffuser volute, the air guide grille at least comprising an air division grid, dividing the air flow passing through the air division grid into a plurality of sub-air flows with equal air volume, each grid of the air division grid comprising an air inlet and an air outlet, the area of the air outlet of each grid gradually increases from the center of the air division grid to the edge of the air division grid, and the air volume of each air outlet is equal; and
[0013] An evaporator, each area of the evaporator is supplied with the sub-air flows of equal air volume, which are uniformly heat-exchanged and then flow out from the main air outlet.
[0014] Preferably, an angle between a first ventilation wind direction of the grid located at the center of the wind distribution grid and a second ventilation wind direction of the grid located at the edge of the wind distribution grid is less than 90°.
[0015] Preferably, the inner wall of the diffuser volute is circumferentially provided with a plurality of positioning slots, and the air guide grille further comprises a plurality of positioning tenons, the positioning tenons are circumferentially arranged on the outer periphery of the air distribution grid, and the positioning tenons are embedded in the positioning slots of the diffuser volute.
[0016] Preferably, the area of the air inlet of the air distribution grid is smaller than the area of the air outlet.
[0017] Preferably, the difference between the area of the air outlet and the area of the air inlet of the grid gradually increases from the grid located at the center of the air distribution grid to the grid located at the edge of the air distribution grid.
[0018] Preferably, the wind distribution grid is a grid composed of a plurality of crisscrossed strip blades, the thickness of the strip blades is 0.5 mm to 3 mm, and the size of the wind distribution grid is greater than 6 mm×6 mm.
[0019] Preferably, the thickness of the air guide grille is greater than 3 mm, and the distance between the air guide grille and the evaporator is less than 300 mm.
[0020] Preferably, the plane where the air guide grille is located is perpendicular to the air outlet direction of the main air outlet.
[0021] Preferably, the plane where the evaporator is located is perpendicular to the air outlet direction of the main air outlet.
[0022] An embodiment of the utility model further provides a car, comprising the above-mentioned vehicle air conditioning module, wherein the vehicle air conditioning module is embedded in the dashboard of the car and flows air into the passenger compartment.
[0023] In order to improve the problems of the prior art, the vehicle-mounted air conditioning module and the vehicle of the utility model add an air guide grille in the air outlet diffusion section of the blower to guide the high-speed air outlet area to the low-speed area, thereby improving the speed uniformity of the evaporator, further improving the air conditioning performance, and reducing the noise risk. The utility model can add an air guide grille in the air outlet diffusion section of the blower to guide the high-speed air outlet area to the low-speed area, thereby improving the speed uniformity of the evaporator, the evaporator refrigeration performance, and reducing the noise risk. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.
[0025] Figure 1 It is a cross-sectional view of the vehicle air conditioning module of the utility model.
[0026] Figure 2 It is a schematic diagram of the air guide grille in the vehicle air conditioning module of the utility model.
[0027] Figure 3 It is a stereoscopic diagram of the air guide grille in the vehicle air conditioning module of the utility model.
[0028] Figure 4 It is a cross-sectional view of the air guide grille in the vehicle air conditioning module of the utility model.
[0029] Figure 5 yes Figure 4 Magnified view of area A.
[0030] Reference numerals
[0031] 1 Blower
[0032] 2 Diffuser volute
[0033] 21 Positioning card slot
[0034] 3 Air guide grille
[0035] 30-minute wind grid
[0036] 31 Air Inlet
[0037] 32 Air outlet
[0038] 33 Positioning tenon
[0039] 4 Evaporator
[0040] 5 Total air outlet DETAILED DESCRIPTION
[0041] The following describes the implementation methods of the present application through specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the present application. The present application can also be implemented or applied through other different specific implementation methods, and the details in the present application can also be modified or changed in various ways according to different viewpoints and application systems without departing from the spirit of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0042] The following is a detailed description of the embodiments of the present application with reference to the accompanying drawings so that those skilled in the art can easily implement the present application. The present application can be embodied in a variety of different forms and is not limited to the embodiments described herein.
[0043] In the representations of the present application, the representations with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics represented in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the represented specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples represented in the present application and the features of the different embodiments or examples, unless they contradict each other.
[0044] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the representation of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0045] In order to clearly describe the present application, components irrelevant to the description are omitted, and the same reference symbols are given to the same or similar components throughout the specification.
[0046] Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" by placing other elements therebetween. In addition, when a device is said to "include" a certain component, unless otherwise stated, it does not exclude other components, but means that other components may be included.
[0047] When a device is said to be "on" another device, it may be directly on the other device, but there may also be other devices between it. In contrast, when a device is said to be "directly" on another device, there are no other devices between it.
[0048] Although the terms first, second, etc. are used to represent various elements in some examples, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, the first interface and the second interface, etc. are represented. Moreover, as used in this article, the singular forms "one", "one" and "the" are intended to also include plural forms, unless there is an opposite indication in the context. It should be further understood that the terms "comprising" and "including" indicate the existence of features, steps, operations, elements, components, projects, kinds, and / or groups, but do not exclude the existence, occurrence or addition of one or more other features, steps, operations, elements, components, projects, kinds, and / or groups. The terms "or" and "and / or" used herein are interpreted as inclusive, or mean any one or any combination. 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". Only when the combination of elements, functions, steps or operations is inherently mutually exclusive in some way, will there be an exception to this definition.
[0049] The technical terms used herein are only used to refer to specific embodiments and are not intended to limit the present application. The singular form used herein also includes the plural form unless the sentence clearly indicates the contrary meaning. The meaning of "including" used in the specification is to specify specific characteristics, regions, integers, steps, operations, elements and / or components, and does not exclude the existence or addition of other characteristics, regions, integers, steps, operations, elements and / or components.
[0050] Although not defined differently, all terms, including technical and scientific terms used herein, have the same meaning as those generally understood by those skilled in the art to which this application belongs. Terms defined in commonly used dictionaries are additionally interpreted as having meanings consistent with the relevant technical literature and the contents of the current disclosure, and unless defined, shall not be overly interpreted as ideal or very formal meanings.
[0051] Figure 1 It is a cross-sectional view of the vehicle air conditioning module of the utility model. Figure 2 It is a schematic diagram of the air guide grille in the vehicle air conditioning module of the utility model. Figure 3 It is a stereoscopic diagram of the air guide grille in the vehicle air conditioning module of the utility model. Figure 4 It is a cross-sectional view of the air guide grille in the vehicle air conditioning module of the utility model. Figure 5 yes Figure 4 A magnified view of area A. Figures 1 to 5As shown, the vehicle air conditioning module of the utility model includes: a blower 1, a diffuser volute 2, an air guide grille 3 and an evaporator 4. Among them, the blower 1 is used to generate air flow. The diffuser volute 2 guides the air flow generated by the blower 1 to the main air outlet 5. The air guide grille 3 is arranged in the diffuser volute 2, and the air guide grille 3 at least includes an air splitting grid 30, which divides the air flow passing through the air splitting grid 30 into a plurality of sub-air flows with equal air volume. Each grid of the air splitting grid 30 includes an air inlet 31 and an air outlet 32. The area of the air outlet 32 of each grid gradually increases from the center of the air splitting grid 30 to the edge of the air splitting grid 30, and the air volume of each air outlet 32 is equal. Each area of the evaporator 4 is supplied with a sub-air flow of equal air volume for uniform heat exchange and then flows out from the main air outlet 5. The uniform heat exchange in this embodiment means that the air volume of the sub-air flow received by each area of the evaporator 4 is equal, so that the heat of each area of the evaporator 4 can be taken away as evenly as possible, thereby improving the overall heat exchange effect; avoiding the defect that the prior art mainly takes away the heat from the middle area of the evaporator 4, while the edge area of the evaporator is not fully utilized, but not limited to this. The present utility model aims at the problems of the short air outlet distance and insufficient pressure diffusion of the central air-conditioning blower, which cause poor evaporator speed uniformity and noise. In order to improve the above problems, the present utility model adds an air guide grille in the air outlet pressure diffusion section of the blower to guide the high-speed air outlet area to the low-speed area, thereby improving the speed uniformity of the evaporator and the evaporator refrigeration performance, while reducing the noise risk.
[0052] In a preferred embodiment, the angle between the first ventilation wind direction of the grid located at the center of the wind distribution grid 30 and the second ventilation wind direction of any grid located at the edge of the wind distribution grid 30 is less than 90°, but not limited thereto.
[0053] In a preferred embodiment, the inner wall of the diffuser volute 2 is circumferentially provided with a plurality of positioning slots 21, and the air guide grille 3 also includes a plurality of positioning tenons 33, which are circumferentially arranged on the outer periphery of the wind distribution grid 30, and the positioning tenons 33 are embedded in the positioning slots 21 of the diffuser volute 2, but this is not limited to this.
[0054] In a preferred embodiment, due to the working principle of the blower 1, it is easy for the air volume in the central area of the diffuser volute 2 channel to be greater than the air volume in the surrounding area. Therefore, in this embodiment, the area of the air inlet 31 of the wind distribution grid 30 is smaller than the area of the air outlet 32, but it is not limited to this.
[0055] In a preferred embodiment, the difference between the area of the air outlet 32 of the grid and the area of the air inlet 31 gradually increases from the grid located at the center of the air distribution grid 30 to the grid located at the edge of the air distribution grid 30, so that the air volume in each unit area of the cross-section of the diffuser volute 2 can be averaged as much as possible, but not limited to this.
[0056] In a preferred embodiment, the wind distribution grid 30 is a grid composed of a plurality of crisscrossed strip blades, the thickness of the strip blades is 0.5 mm to 3 mm, and the size of the wind distribution grid 30 is greater than 6 mm×6 mm, but not limited thereto.
[0057] In a preferred embodiment, the thickness of the air guide grille 3 is greater than 3 mm, and the distance between the air guide grille 3 and the evaporator 4 is less than 300 mm, but not limited thereto.
[0058] In a preferred embodiment, the plane where the air guide grille 3 is located is perpendicular to the air outlet direction of the main air outlet 5, but the present invention is not limited thereto.
[0059] In a preferred embodiment, the plane where the evaporator 4 is located is perpendicular to the air outlet direction of the main air outlet 5, but not limited thereto.
[0060] The specific implementation of the utility model is:
[0061] Continue to refer Figures 1 to 5In the vehicle air conditioning module of the utility model, the blower 1 is used to generate air flow. The diffuser volute 2 guides the air flow generated by the blower 1 to the main air outlet 5. The air guide grille 3 is arranged in the diffuser volute 2. The air guide grille 3 is provided with an air distribution grid 30, which divides the air flow passing through the air distribution grid 30 into a number of sub-air flows with equal air volume. Each grid of the air distribution grid 30 includes an air inlet 31 and an air outlet 32. The area of the air outlet 32 of the grid gradually increases from the center of the air distribution grid 30 to the edge of the air distribution grid 30. The air volume of each air outlet 32 is equal, so that the original situation of the diffuser volute 2 with a larger air volume in the central area and a smaller air volume in the edge area is changed to the air volume in the central area and the air volume in the edge area based on the same effect. Each area of the evaporator 4 is respectively provided with a sub-air flow for heat exchange and then flows out from the main air outlet 5, so that each area of the evaporator 4 can be evenly heat exchanged to enhance the heat exchange effect. The angle between the first ventilation wind direction of the grid located at the center of the air distribution grid 30 and the second ventilation wind direction of the grid located at the edge of the air distribution grid 30 is less than 90°. The inner wall of the diffuser volute 2 is provided with a plurality of positioning slots 21 in an annular direction, and the outer periphery of the air guide grille 3 is provided with a plurality of positioning tenons 33, and the positioning tenons 33 of the air guide grille 3 are embedded in the positioning slots 21 of the diffuser volute 2. The area of the air inlet 31 of the air distribution grid 30 is smaller than the area of the air outlet 32, and the area difference between the area of the air outlet 32 and the area of the air inlet 31 of the grid gradually increases from the grid located at the center of the air distribution grid 30 to the grid located at the edge of the air distribution grid 30. The size of the grid of the air distribution grid 30 is greater than 6mm×6mm. The thickness of the air guide grille 3 is greater than 3mm. The air distribution grid 30 is a grid composed of a plurality of crisscross strip blades, and the thickness of the strip blades is 0.5mm to 3mm. The spacing between the air guide grille 3 and the evaporator 4 is less than 300mm. The plane where the air guide grille 3 is located is perpendicular to the air outlet direction of the main air outlet 5 , and the plane where the evaporator 4 is located is perpendicular to the air outlet direction of the main air outlet 5 .
[0062] The utility model adds an air guide grille to an air conditioner, adjusts the density and air guide direction of the air guide grille according to the velocity distribution and flow field distribution of multiple cross sections on the evaporator surface and in the volute, thereby improving the velocity uniformity on the evaporator surface and reducing noise.
[0063] This solution mainly solves the problem of wind speed uniformity of automobile air-conditioning evaporator and airflow noise in the volute. The high-speed air outlet area is guided to the low-speed area through the air guide grille, which improves the evaporator speed uniformity, improves the refrigeration performance, and reduces the risk of airflow noise in the diffuser section.
[0064] The utility model determines the inclination angle, grid size, guide direction length, and installation position of each guide plate according to the distribution of the flow field in the volute. Among them, the air guide grille has a guiding structure for adjusting the direction of the airflow, and forms a certain angle with the air outlet direction of the blower. In this embodiment, the value range of this angle α is 0-90 degrees. The thickness d of the air guide grille 3 is greater than 3mm. The basic size of the air guide grille opening must be greater than 6*6mm. The installation position of the air guide grille is between the blower outlet and the evaporator, and the distance from the air inlet surface of the evaporator must be between 0mm-300mm. The thickness of each guide vane grille needs to be between 0.8mm-3mm. The installation of the grille guide plate follows the snap-on method shown in the figure below to make the structure more stable.
[0065] The embodiment of the utility model also provides a car, comprising the above-mentioned vehicle air conditioning module, wherein the vehicle air conditioning module is embedded in the instrument panel of the car and flows air into the passenger compartment. The relevant technical features are as described above and will not be repeated here.
[0066] In summary, the vehicle air-conditioning module and the vehicle of the utility model can guide the high-speed air outlet area to the low-speed air outlet area by adding an air guide grille in the blower outlet diffusion section, thereby improving the speed uniformity of the evaporator and the evaporator refrigeration performance, while reducing the noise risk.
[0067] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.
Claims
1. A vehicle air conditioning module, characterized in that: include: a blower (1) for generating an air flow; a diffuser volute (2) for guiding the air flow generated by the blower (1) toward a main air outlet (5); an air guide grille (3) disposed in the diffuser volute (2), the air guide grille (3) comprising at least an air division grid (30) for dividing the air flow passing through the air division grid (30) into a plurality of sub-air flows with equal air volumes, each grid of the air division grid (30) comprising an air inlet (31) and an air outlet (32), the area of the air outlet (32) of each grid gradually increasing from the center of the air division grid (30) to the edge of the air division grid (30), and the air volume of each air outlet (32) being equal; and An evaporator (4), wherein each area of the evaporator (4) is supplied with sub-air flows of equal air volume, and then the sub-air flows are uniformly heat exchanged and flow out from the main air outlet (5).
2. The vehicle air conditioning module according to claim 1, characterized in that: The angle between a first ventilation wind direction of the grid located at the center of the wind distribution grid (30) and a second ventilation wind direction of the grid located at the edge of the wind distribution grid (30) is less than 90°.
3. The vehicle air conditioning module according to claim 1, characterized in that: The inner wall of the diffuser volute (2) is circumferentially provided with a plurality of positioning slots (21); the air guide grille (3) further comprises a plurality of positioning tenons (33); the positioning tenons (33) are circumferentially provided on the outer periphery of the air distribution grid (30); the positioning tenons (33) are embedded in the positioning slots (21) of the diffuser volute (2).
4. The vehicle air conditioning module according to claim 1, characterized in that: The area of the air inlet (31) of the air distribution grid (30) is smaller than the area of the air outlet (32).
5. The vehicle air conditioning module according to claim 4, characterized in that: The difference between the area of the air outlet (32) and the area of the air inlet (31) of the grid gradually increases from the grid located in the center of the air distribution grid (30) to the grid located at the edge of the air distribution grid (30).
6. The vehicle air conditioning module according to claim 1, characterized in that: The wind distribution grid (30) is a grid composed of a plurality of crisscrossed strip blades, the thickness of the strip blades is 0.5 mm to 3 mm, and the size of the grid of the wind distribution grid (30) is greater than 6 mm×6 mm.
7. The vehicle air conditioning module according to claim 1, characterized in that: The thickness of the air guide grille (3) is greater than 3 mm, and the distance between the air guide grille (3) and the evaporator (4) is less than 300 mm.
8. The vehicle air conditioning module according to claim 1, characterized in that: The plane where the air guide grille (3) is located is perpendicular to the air outlet direction of the main air outlet (5).
9. The vehicle air conditioning module according to claim 1, characterized in that: The plane on which the evaporator (4) is located is perpendicular to the air outlet direction of the main air outlet (5).
10. An automobile, comprising the vehicle air conditioning module according to claim 1, characterized in that: The vehicle air conditioning module is embedded in the instrument panel of the vehicle and discharges air flow to the passenger compartment.