Air conditioner pressurization module and automobile air conditioner
Through the side channel supercharged fan design, the entrance space requirements and poor flow direction of the existing air conditioner supercharged module are solved, and more efficient air volume distribution and back pressure resistance are achieved, improving the comfort of rear passengers.
Patent Information
- Application Number
- CN202422535861.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-10-21
AI Technical Summary
When using centrifugal fans for existing air conditioning booster modules, special entry space is required. The fan and volute have poor matching ability and insufficient back pressure resistance, resulting in insufficient rear exhaust air volume and poor flow direction.
A side channel booster fan is used to inject air through the side of the volute, and the impeller and rotor design are used to divide the air flow into interruption areas and compression channels to enhance the backpressure resistance and optimize the flow direction.
It reduces the axial dimensions requirement, facilitates layout, improves air volume and flow smoothness, and ensures that rear passengers enjoy the same air conditioning effect as the front row.
Smart Images
Figure CN223161595U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of vehicle refrigeration equipment, specifically, to an air-conditioning supercharging module and an automotive air conditioner. Background Art
[0002] Nowadays, people pay more and more attention to comfort when taking a car, and the requirements for air conditioners are also getting higher and higher. Usually, after the air conditioner is turned on, the temperature in the front row can change rapidly, while the temperature in the back row cannot be adjusted in time. In order to enable the passengers in the back row to enjoy better comfort in the car, more and more cars have added rear air-conditioning outlets.
[0003] When not installing a rear air conditioner separately and only using a front air conditioner, the air volume flowing to the back row is relatively small. In order to provide the same air-conditioning effect for the passengers in the back row as that in the front row, a supercharging module is installed in front of the rear air outlet duct of the air conditioner to increase the air volume of the rear outlet.
[0004] The existing supercharging module uses a centrifugal fan, which has the following problems:
[0005] 1. The centrifugal fan sucks air from the middle of the fan, and enough space needs to be left at the inlet.
[0006] 2. The fan and the volute of the centrifugal fan need to match each other to achieve the best performance. Therefore, the flow direction at the outlet is sometimes not very smooth.
[0007] 3. Poor anti-backpressure ability.
[0008] In view of this, the utility model provides an air-conditioning supercharging module and an automotive air conditioner. Summary of the Utility Model
[0009] Aiming at the problems in the prior art, the air-conditioning supercharging module and the automotive air conditioner of the utility model overcome the difficulties of the prior art, and can use a side-channel supercharging fan as the supercharging module for the rear air outlet, suck air from the side of the volute, without leaving a special inlet space, can reduce the axial dimension, facilitate the layout, and moreover, the side-channel supercharging fan has enhanced anti-backpressure ability and smoother flow direction at the outlet.
[0010] An embodiment of the utility model provides an air-conditioning supercharging module, including:
[0011] A housing, including a volute formed by the mating of a first housing and a second housing, having an air inlet and an air outlet;
[0012] An impeller, rotatably arranged inside the volute;
[0013] A rotor, arranged on one side of the impeller, the transmission shaft of the rotor extends from both sides of the rotor respectively, and the first end of the transmission shaft is sleeved in the transmission hole of the impeller; and
[0014] A flange is provided on the side of the rotor facing away from the impeller. The second end of the transmission shaft is sleeved in the flange hole of the flange. As the rotor rotates, the air inlet and the air outlet divide the annular space of the volute into an interrupted area and a conveying channel for compressed air. The air flow entering from the air inlet is compressed through the conveying channel and then emitted towards the air outlet.
[0015] In a preferred embodiment, the impeller includes a plurality of radially extending blades. The blades radiate outward from the rotation center in the radial direction, and the cross-section of the blade is one of a rectangle, an arc, or a V shape.
[0016] In a preferred embodiment, the impeller further includes partition walls formed between the blades. The partition walls extend radially towards the inner wall of the volute.
[0017] In a preferred embodiment, the outer contour of the cross-section of the partition wall is two arcs joined back to back.
[0018] In a preferred embodiment, the range of the central angle corresponding to the air inlet is 30° to 60°, the range of the central angle corresponding to the air outlet is 30° to 60°, and the range of the central angle corresponding to the interrupted area is 30° to 60°.
[0019] In a preferred embodiment, the length of the fan blades of the impeller is 0.2 to 0.4 times the diameter of the impeller.
[0020] In a preferred embodiment, the height of the fan blades of the impeller is 0.3 to 0.4 times the height of the volute.
[0021] In a preferred embodiment, the radial clearance between the blade and the volute is 0.05 to 0.15 times the height of the volute, and the axial clearance between the blade and the volute is 0.3 to 0.4 times the height of the volute.
[0022] In a preferred embodiment, the angle range by which the plane where each blade is located is inclined with respect to the rotation axis of the transmission shaft along the rotation direction of the impeller is 0 to 20°.
[0023] An embodiment of the present invention further provides an automotive air conditioner, including: an air conditioning system and the air conditioning supercharging module as described above. The air conditioning supercharging module is arranged before the rear air outlet duct of the air conditioning system.
[0024] The air conditioning supercharging module of the present invention and the automotive air conditioner can use a side-channel supercharging fan as the supercharging module for the rear air outlet, intake air from the side of the volute, and do not require a dedicated inlet space; can reduce the axial dimension, facilitate layout; enhance the anti-backpressure ability, and make the air flow direction at the air outlet smoother. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Other features, objects, and advantages of the present invention will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings.
[0026] Figure 1 is the perspective view of the air-conditioning supercharging module of the present utility model.
[0027] Figure 2 is the schematic view of the air-conditioning supercharging module of the present utility model.
[0028] Figure 3 is Figure 2 the cross-sectional view taken along the A-A direction in
[0029] Figure 4 is the side view of the air-conditioning supercharging module of the present utility model.
[0030] Figure 5 is Figure 4 the cross-sectional view taken along the B-B direction in
[0031] Figure 6 is the perspective view of the impeller in the air-conditioning supercharging module of the present utility model.
[0032] Reference numerals
[0033] 1 First housing
[0034] 2 Second housing
[0035] 3 Impeller
[0036] 31 Transmission hole
[0037] 32 Blade
[0038] 33 Partition wall
[0039] 4 Delivery channel
[0040] 5 Interruption area
[0041] 6 Transmission shaft
[0042] 7 Rotor
[0043] 8 Flange
[0044] 9 Air inlet
[0045] 10 Air outlet Detailed implementation manners
[0046] The following describes the implementation manners of the present application through specific specific examples. 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 manners. The details in the present application can also be modified or changed according to different viewpoints and application systems without departing from the spirit of the present application. It should be noted that, without conflict, the embodiments and features in the embodiments of the present application can be combined with each other.
[0047] The following takes the accompanying drawings as a reference and details the embodiments of the present application so that those skilled in the technical field to which the present application pertains can easily implement it. The present application can be embodied in many different forms and is not limited to the embodiments described herein.
[0048] In the description of the present application, the reference terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics represented in connection with the embodiment or example are included in at least one embodiment or example of the present application. Moreover, the specific features, structures, materials, or characteristics represented can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples represented in the present application and the features of different embodiments or examples.
[0049] In addition, the terms "first" and "second" are only used for the purpose of indication and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.
[0050] In order to clearly illustrate the present application, devices irrelevant to the description are omitted, and the same or similar components throughout the specification are given the same reference numerals.
[0051] Throughout the specification, when it is said that a device is "connected" to another device, this includes not only the case of "direct connection", but also the case of "indirect connection" with other elements placed therebetween. In addition, when it is said that a certain device "includes" a certain component, unless there is a particularly contrary record, it does not exclude other components, but means that other components can also be included.
[0052] When it is said that a device is "above" another device, this can be directly above the other device, but there can also be other devices in between. When it is said that a device is "directly" "above" another device, there are no other devices in between.
[0053] While in some instances the terms first, second, etc. are used herein to denote various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, the first interface and the second interface, etc. are indicated. Furthermore, as used herein, the singular forms "a", "an", and "the" are also intended to include the plural forms unless the context clearly dictates otherwise. It should be further understood that the terms "comprising", "including" indicate the presence of the features, steps, operations, elements, components, items, kinds, and / or groups, but do not preclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, components, items, kinds, and / or groups. The terms "or" and "and / or" used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "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 only occurs when the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.
[0054] The technical terms used herein are only for referring to specific embodiments and are not intended to limit this application. The singular forms used herein also include the plural forms as long as the statements do not clearly indicate the contrary meaning. The meaning of "including" used in the specification is to embody 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.
[0055] Although not differently defined, including the technical terms and scientific terms used herein, all terms have the same meaning as generally understood by those skilled in the technical field to which this application pertains. Terms defined in commonly used dictionaries are additionally interpreted to have a meaning consistent with the relevant technical literature and the content currently presented. As long as they are not defined, they should not be over-interpreted as ideal or overly formulaic meanings.
[0056] Figure 1 is a perspective view of the air-conditioning supercharging module of the present utility model. Figure 2 is a schematic view of the air-conditioning supercharging module of the present utility model. Figure 3 is Figure 2 a cross-sectional view taken along the A-A direction in Figure 4 is a side view of the air-conditioning supercharging module of the present utility model. Figure 5 is Figure 4 a cross-sectional view taken along the B-B direction in Figure 6 is a perspective view of the impeller in the air-conditioning supercharging module of the present utility model. As Figures 1 to 6As shown in the figure, the air-conditioning pressurization module of the present utility model includes: a housing, an impeller 3, a rotor 7, and a flange 8. The housing includes a volute formed by the mating of a first housing 1 and a second housing 2, which has an air inlet 9 and an air outlet 10. The impeller 3 is rotatably disposed inside the volute. The rotor 7 is disposed on one side of the impeller 3. The transmission shafts 6 of the rotor 7 extend from both sides of the rotor 7 respectively. The first end of the transmission shaft 6 is sleeved in the transmission hole 31 of the impeller 3. The flange 8 is disposed on the side of the rotor 7 facing away from the impeller 3. The second end of the transmission shaft 6 is sleeved in the flange hole of the flange 8. As the rotor 7 rotates, the air inlet 9 and the air outlet 10 divide the annular space of the volute into an interruption region 5 and a conveying channel 4 for compressed air. The central angle corresponding to the conveying channel 4 is greater than the central angle corresponding to the interruption region 5. The air flow entering from the air inlet 9 is compressed through the conveying channel 4 and then emitted towards the air outlet 10. The present utility model uses a side-channel pressurization fan as the pressurization module for rear air outlet, which can intake air from the side of the volute, without the need to reserve a special inlet space, the flow path is relatively smooth, and the anti-backpressure ability is enhanced.
[0057] In a preferred embodiment, the impeller 3 includes a plurality of blades 32 extending radially. The blades 32 are scattered radially outward from the rotation center. The cross-section of the blade 32 is one of a rectangle, an arc, or a V shape, but not limited thereto.
[0058] In a preferred embodiment, the impeller 3 further includes partition walls 33 formed between the blades 32. The partition walls 33 extend radially towards the inner wall of the volute, but not limited thereto.
[0059] In a preferred embodiment, the outer contour of the cross-section of the partition wall 33 is two arcs joined back to back, but not limited thereto.
[0060] In a preferred embodiment, the range of the central angle corresponding to the air inlet 9 is 30° to 60°, the range of the central angle corresponding to the air outlet 10 is 30° to 60°, and the range of the central angle corresponding to the interruption region 5 is 30° to 60°, but not limited thereto.
[0061] In a preferred embodiment, the fan blade length L of the impeller 3 is 0.2 to 0.4 times the diameter R of the impeller 3, but not limited thereto.
[0062] In a preferred embodiment, the fan blade height H of the impeller 3 is 0.3 to 0.4 times the height of the volute, but not limited thereto.
[0063] In a preferred embodiment, the radial clearance m between the blade 32 and the volute is 0.05 to 0.15 times the height of the volute, and the axial clearance n between the blade 32 and the volute is 0.3 to 0.4 times the height of the volute, but not limited thereto.
[0064] In a preferred embodiment, the angle range by which the plane where each blade 32 is located is inclined relative to the rotation axis of the transmission shaft 6 along the rotation direction of the impeller is 0 to 20°, but not limited thereto.
[0065] Continue to refer to the following Figures 1 to 6 to introduce the specific implementation manners of the present utility model:
[0066] In the air-conditioning supercharging module of the present utility model, the housing includes a volute formed by the mating of a first housing 1 and a second housing 2 and having an air inlet 9 and an air outlet 10. The impeller 3 is rotatably arranged inside the volute. The rotor 7 is arranged on one side of the impeller 3, and the transmission shaft 6 of the rotor 7 extends from both sides of the rotor 7 respectively. The first end of the transmission shaft 6 is sleeved in the transmission hole 31 of the impeller 3. The flange 8 is arranged on the side of the rotor 7 facing away from the impeller 3, and the second end of the transmission shaft 6 is sleeved in the flange hole of the flange 8. As the rotor 7 rotates, the air inlet 9 and the air outlet 10 divide the annular space of the volute into an interruption area 5 and a compressed air delivery channel 4. The air flow entering from the air inlet 9 is compressed through the delivery channel 4 and then emitted towards the air outlet 10. The side-channel supercharging fan of the present utility model is used as a supercharging module for rear air outlet, which can intake air from the side of the volute, without the need to reserve a special inlet space, the flow path is relatively smooth, and the anti-backpressure ability is enhanced. The impeller 3 includes a plurality of blades 32 extending radially. The blades 32 are scattered radially outward from the rotation center, and the cross-section of the blades 32 is rectangular. The impeller 3 further includes partition walls 33 formed between the blades 32, and the partition walls 33 extend radially towards the inner wall of the volute. The outer contour of the cross-section of the partition walls 33 is two arcs spliced back to back. The range of the central angle corresponding to the air inlet 9 is 40°, the range of the central angle corresponding to the air outlet 10 is 40°, the range of the central angle corresponding to the interruption area 5 is 30°, and the range of the central angle corresponding to the delivery channel 4 is 250°, so as to obtain a longer pressurization channel. The fan blade length L of the impeller 3 is 0.2 times the diameter R of the impeller 3. The fan blade height H of the impeller 3 is 0.35 times the height of the volute. The radial gap m between the blade 32 and the volute is 0.1 times the height of the volute, and the axial gap n between the blade 32 and the volute is 0.35 times the height of the volute. The plane where the blade 32 is located is inclined 0° relative to the rotation axis of the transmission shaft 6 along the rotation direction of the impeller. After adding backpressure to the centrifugal fan using the air-conditioning supercharging module of the present utility model, the air volume only decreases by 4.5%. The flow directions of the air-conditioning supercharging module of the present utility model at the outlet to the left and right side channels are the same, and the pressures received are not very different, so the air volumes on the left and right are basically the same.
[0067] The present utility model further provides an automotive air conditioner, comprising: an air conditioning system and the air conditioning supercharging module as described above, wherein the air conditioning supercharging module is disposed before the rear air outlet duct of the air conditioning system. Its technical features and technical effects are as described above and will not be elaborated herein. After using the automotive air conditioner of the present utility model, the air volume flowing to the rear row is significantly enhanced, achieving the same air conditioning effect for the rear row passengers as that for the front row, enabling the rear row passengers to enjoy better comfort in the vehicle.
[0068] In summary, the air conditioning supercharging module and the automotive air conditioner of the present utility model can use the side-channel supercharging fan as the supercharging module for the rear air outlet, intake air from the side of the volute, without the need to reserve a dedicated inlet space; can reduce the axial dimension, facilitating layout; has enhanced backpressure resistance, and the air flow direction at the air outlet is smoother.
[0069] The above content is a further detailed description of the present utility model in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model pertains, without departing from the concept of the present utility model, several simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope of the present utility model.
Claims
1. An air conditioner supercharging module, characterized in that, Comprising: A housing, including a volute formed by the mating of a first housing (1) and a second housing (2), having an air inlet (9) and an air outlet (10); An impeller (3) rotatably disposed inside the volute; A rotor (7) disposed on one side of the impeller (3), the transmission shaft (6) of the rotor (7) extending from both sides of the rotor (7) respectively, and the first end of the transmission shaft (6) being sleeved in the transmission hole (31) of the impeller (3); and A flange (8) disposed on the side of the rotor (7) facing away from the impeller (3), the second end of the transmission shaft (6) being sleeved in the flange hole of the flange (8). As the rotor (7) rotates, the air inlet (9) and the air outlet (10) divide the annular space of the volute into an interruption region (5) and a compressed air delivery channel (4), and the air flow entering from the air inlet (9) is compressed through the delivery channel (4) and then emitted towards the air outlet (10).
2. The air-conditioning supercharging module according to claim 1, wherein The impeller (3) includes a plurality of blades (32) extending radially, the blades (32) radiating outward from the rotation center in the radial direction, and the cross-section of the blades (32) is one of a rectangle, an arc, or a V-shape.
3. The air conditioner supercharging module according to claim 2, characterized in that The impeller (3) further includes partition walls (33) formed between the blades (32), and the partition walls (33) extend radially towards the inner wall of the volute.
4. The air-conditioning supercharging module according to claim 3, wherein, The outer contour of the cross-section of the partition wall (33) is two arcs joined back to back.
5. The air-conditioning supercharging module according to claim 1, characterized in that, The range of the central angle corresponding to the air inlet (9) is 30° to 60°, the range of the central angle corresponding to the air outlet (10) is 30° to 60°, and the range of the central angle corresponding to the interruption region (5) is 30° to 60°.
6. The air-conditioning supercharging module according to claim 2, characterized in that, The blade length (L) of the impeller (3) is 0.2 to 0.4 times the diameter (R) of the impeller (3).
7. The air-conditioning supercharging module according to claim 2, characterized in that, The blade height (H) of the impeller (3) is 0.3 to 0.4 times the height of the volute.
8. The air-conditioning supercharging module according to claim 2, characterized in that, The radial clearance (m) between the blade (32) and the volute is 0.05 to 0.15 times the height of the volute, and the axial clearance (n) between the blade (32) and the volute is 0.3 to 0.4 times the height of the volute.
9. The air conditioner supercharging module according to claim 2, wherein, The range of the angle by which the plane where the blade (32) is located is inclined with respect to the rotation axis of the transmission shaft (6) along the rotation direction of the impeller is 0 to 20°.
10. An automotive air conditioner, characterized in that, Comprising: An air conditioning system and the air conditioning booster module as claimed in claim 1, wherein the air conditioning booster module is disposed before the rear air outlet duct of the air conditioning system.