Integrated diffusion assembly based on simple centrifugal air duct and cabinet air conditioner thereof

Abstract

The integrated diffusion assembly based on the simple centrifugal air duct is arranged between an air duct plate on the rear side of the centrifugal air duct and a centrifugal fan and comprises an air inlet guide ring which is integrally formed with the air duct plate and arranged at an air inlet of the centrifugal fan in a matched mode. Compared with the prior art, the air inlet guide ring and the air channel plate are integrally formed, the air inlet guide ring is installed after the air channel plate is installed in the assembling process, and installation is more convenient and faster; and the air inlet guide ring and the air duct plate are integrally formed and can be machined and formed by using one mold, so that the machining cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely relates to a kind of integrated pressure expansion component based on simple centrifugal air duct and air conditioner cabinet machine thereof. BACKGROUND

[0002] Centrifugal fan is relied on the mechanical energy input, improves gas pressure and sends gas, it is a kind of driven fluid machinery.There is air conditioner cabinet machine using centrifugal air duct in present market, and centrifugal fan is set in centrifugal air duct to be used as the power of air flow.But, now centrifugal fan is set with an air inlet guide ring between the air inlet of its wind wheel and the air duct plate after centrifugal air duct, when centrifugal fan operates, air is guided into by air inlet guide ring.Specifically, during assembly, air inlet guide ring is first fixedly installed in the mounting hole of air duct plate, then centrifugal fan is installed to make the air inlet of wind wheel overlap the air outlet outside air inlet guide ring, and air duct plate and air inlet guide ring are arranged in a body, which increases processing cost and assembly complexity. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a kind of integrated pressure expansion component based on simple centrifugal air duct and air conditioner cabinet machine thereof, to solve the problem that air duct plate and air inlet guide ring are arranged in a body in the prior art, which increases processing cost and assembly complexity.

[0004] To achieve the above object, the utility model first aspect has adopted the following technical scheme: a kind of integrated pressure expansion component based on simple centrifugal air duct, air duct plate is set between the air duct plate after centrifugal air duct and centrifugal fan, including with air duct plate and being integrally formed and being cooperatively arranged in the air inlet of centrifugal fan air inlet guide ring.

[0005] The utility model second aspect has adopted the following technical scheme: a kind of air conditioner cabinet machine, including a kind of integrated pressure expansion component based on simple centrifugal air duct as described in the utility model first aspect.

[0006] Compared with prior art, the utility model has the following beneficial effects:

[0007] In the integrated pressure expansion component, air inlet guide ring and air duct plate are integrally formed, after air duct plate is installed during assembly, the installation of air inlet guide ring is completed, so that installation is more convenient;And air inlet guide ring and air duct plate are integrally formed, so that one mold can be used to process, which reduces processing cost. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is the structure diagram of a kind of air conditioner cabinet machine in the utility model one embodiment;

[0009] Figure 2 It is the structure diagram of a kind of air conditioner cabinet machine in the utility model one embodiment;Figure 1 Internal partial sectional view;

[0010] Figure 3 For Figure 2 A part of the enlarged view of the middle A;

[0011] Figure 4 For Figure 2 The partial structure schematic view of the centrifugal fan.

[0012] The reference signs in the drawings of the specification include: air duct plate 1, centrifugal fan 2, air wheel 21, impeller 22, air inlet guide ring 3, diffusion structure 4, upper diffusion part 41, lower diffusion part 42, air guide plane 411, stable cavity 5, stable air inlet 6, stable air outlet 7. DETAILED DESCRIPTION

[0013] The utility model will be further explained in detail through specific implementation below:

[0014] As Figure 2 , Figure 3 The embodiment of the utility model discloses an integrated diffusion component based on simple centrifugal air duct, which is arranged between the air duct plate 1 at the rear side of the centrifugal air duct and the centrifugal fan 2 and includes the air inlet guide ring 3 integrally formed with the air duct plate 1 and cooperatively arranged at the air inlet of the centrifugal fan 2.

[0015] In the integrated diffusion component, the air inlet guide ring 3 is integrally formed with the air duct plate 1, so that the installation of the air inlet guide ring 3 is completed after the installation of the air duct plate 1 in the assembly process, making the installation more convenient; and the air inlet guide ring 3 is integrally formed with the air duct plate 1, so that one mold can be used for processing and forming, reducing the processing cost.

[0016] In the present scheme, since the centrifugal fan 2 is a centrifugal fan 2 without a volute, some supporting members in the centrifugal fan 2 are removed, embodying the simplicity of the centrifugal air duct; and the design of the centrifugal fan 2 can design the size of the air wheel 21 in the centrifugal fan 2 to be larger, so that the centrifugal fan 2 inhales more air and produces less noise when running.

[0017] In order to better understand the present scheme, the structure of the integrated diffusion component will be further optimized below.

[0018] As Figure 2 , Figure 3 and Figure 4 According to another embodiment of the utility model, the integrated diffusion component based on simple centrifugal air duct, wherein the centrifugal fan 2 includes the air wheel 21, the air inlet guide ring 3 is cooperatively arranged outside the air wheel 21, and the inner ring edge and the outer ring edge of the air wheel 21 are both smoothly transitioned without forming a flange structure.

[0019] Such design, for centrifugal fan 2, when centrifugal fan 2 is in operation, the inner side of the air wheel 21 is opposite to the air introduced into the air wheel 21, and has a larger guide area to the inner side of the air wheel 21, which is beneficial to the flow of air.

[0020] Based on the above scheme:

[0021] The inner side of the air wheel 21 is circumferentially arranged with a plurality of impellers 22, and the outer edge of the impeller 22 extends to the edge of the air wheel 21. Here, the design of the impeller 22 makes the size of the impeller 22 in the radial direction of the air wheel 21 larger, so that the suction force generated when the centrifugal fan 2 is in operation is larger, and more air can be sucked.

[0022] In order to further enhance the ability of air to diffuse into the centrifugal air duct after being discharged from the centrifugal fan 2, as Figure 2 and Figure 3 According to another embodiment of the utility model, the integrated diffusion assembly based on simple centrifugal air duct, wherein the air wheel 21 has a gradually increasing trend from its air inlet end to its air outlet end, and the air duct plate 1 and the air inlet guide ring 3 form a diffusion structure 4 matched with the air outlet end of the air wheel 21.

[0023] In this embodiment, the air wheel 21 from the air inlet end to the air outlet end is composed of a plurality of annular panels connected in sequence, and the inner diameter of part of the annular panels located in the middle can be smaller than the inner diameter of the two annular panels connected therewith, but overall, the air wheel 21 has a larger air outlet port diameter than the air inlet port diameter, and the air wheel 21 is similar to a horn; it is beneficial to suck air into the air wheel 21 and diffuse it around, and then diffuse the air into the centrifugal air duct through the diffusion structure 4. Among them, the longitudinal section of the annular panel can be arc-shaped or linear.

[0024] Here, the shape of the inner side of the air inlet guide ring 3 is matched with the shape of the outer side of the air wheel 21.

[0025] Based on the above scheme:

[0026] The diffusion structure 4 includes an upper diffusion part 41 distributed on the upper side of the centrifugal fan 2 and guiding to the upper side of the centrifugal air duct, and a lower diffusion part 42 distributed on the lower side of the centrifugal fan 2 and guiding to the lower side of the centrifugal air duct, the upper diffusion part 41 and the lower diffusion part 42 each include a plurality of air guide planes 411 connected in sequence and inclined to the air outlet end of the air wheel 21, and the slope of the plurality of air guide planes 411 gradually decreases from one connected to the air outlet end of the air wheel 21.

[0027] When the centrifugal fan 2 is running, air is drawn into the air wheel 21 and diffused, and is guided to the upper side of the centrifugal air duct by the upper diffusion part 41 to diffuse, and is guided to the lower side of the centrifugal air duct by the lower diffusion part 42 to diffuse, which is beneficial to improve the efficiency of air flowing in the centrifugal air duct. Among them, the upper diffusion part 41 is exemplified, the upper diffusion part 41 includes two air guide planes 411 which are sequentially connected with the air outlet end of the air wheel 21 and are arranged obliquely, the slope of one air guide plane 411 connected with the air outlet end of the air wheel 21 is 45 degrees, and the slope of the other air guide plane 411 is 30 degrees, which is beneficial to improve the efficiency of air flowing in the centrifugal air duct.

[0028] In the running process of the centrifugal fan 2, in order to improve the stability of the air wheel 21 in the rotating process, as shown in Figure 2 and Figure 3 According to another embodiment of the utility model, the kind of integrated diffusion pressure assembly based on simple centrifugal air duct, wherein the air inlet guide ring 3 and the air wheel 21 form the stable cavity 5 wrapped outside the air wheel 21 between, the stable cavity 5 has the stable air inlet 6 connected with the air outlet end of the air wheel 21 and the stable air outlet 7 connected with the air inlet end of the air wheel 21.

[0029] In the embodiment, the air inlet end of the air wheel 21 and the air inlet guide ring 3 do not contact to form the stable air outlet 7, the air outlet end of the air wheel 21 and the air inlet guide ring 3 do not contact to form the stable air inlet 6, the stable air inlet 6 and the stable air outlet 7 are annular, and the stable cavity 5 is an annular cavity located outside the air wheel 21;When the centrifugal fan 2 is running, because the suction force is formed from the air inlet end to the air outlet end in the air wheel 21, the suction force is also formed at the stable air outlet 7, part of the air flowing to the air outlet end of the air wheel 21 is drawn into the stable cavity 5 from the stable air inlet 6, and then drawn out from the stable air outlet 7 to the air inlet end of the air wheel 21, and then this part of the air flows from the air inlet end to the air outlet end of the air wheel 21, forming a stable annular flow air layer outside the air wheel 21, and forming a pressure blocking effect in the stable cavity 5, ensuring that the air wheel 21 can rotate stably without the risk of touching the air inlet guide ring 3 when the air inlet area of the centrifugal fan 2 is increased.

[0030] As shown in Figures 1-4 According to another embodiment of the utility model, the kind of air conditioner cabinet machine, including the kind of integrated diffusion pressure assembly based on simple centrifugal air duct in any one of the above embodiments, has its advantages.

[0031] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. An integrated diffuser assembly based on a simplified centrifugal duct, disposed between the duct plate at the rear of the centrifugal duct and the centrifugal fan, characterized in that, This includes an air inlet guide ring that is integrally formed with the air duct plate and is installed at the air inlet of the centrifugal fan.

2. The integrated diffuser assembly based on a simplified centrifugal duct according to claim 1, characterized in that, The centrifugal fan is a centrifugal fan without a volute.

3. The integrated diffuser assembly based on a simplified centrifugal duct according to claim 2, characterized in that, The centrifugal fan includes a fan wheel, and an air inlet guide ring is fitted on the outside of the fan wheel. The inner edge of the fan wheel and its outer edge are smoothly transitioned without forming a flanged structure.

4. The integrated diffuser assembly based on a simplified centrifugal duct according to claim 3, characterized in that, Multiple impellers are arranged circumferentially on the inner side of the wind turbine, and the outer edge of the impeller extends on the wind turbine to the edge of the wind turbine.

5. An integrated diffuser assembly based on a simplified centrifugal duct according to claim 3, characterized in that, The wind turbine gradually increases in size from its inlet end to its outlet end, and a diffusion structure is formed at the junction of the duct plate and the inlet guide ring to match the outlet end of the wind turbine.

6. An integrated diffuser assembly based on a simplified centrifugal duct according to claim 5, characterized in that, The diffusion structure includes an upper diffusion section distributed on the upper side of the centrifugal fan and directed towards the upper side of the centrifugal duct, and a lower diffusion section distributed on the lower side of the centrifugal fan and directed towards the lower side of the centrifugal duct. Both the upper and lower diffusion sections include multiple guide planes that are sequentially connected to the air outlet end of the impeller and arranged at an angle. The slope of the multiple guide planes gradually decreases from the one connected to the air outlet end of the impeller.

7. An integrated diffuser assembly based on a simplified centrifugal duct according to claim 3, characterized in that, A stable cavity is formed between the air inlet guide ring and the wind turbine, covering the outside of the wind turbine. The stable cavity has an air inlet connected to the air outlet end of the wind turbine and an air outlet connected to the air inlet end of the wind turbine.

8. A cabinet air conditioner, characterized in that, Includes an integrated diffuser assembly based on a simplified centrifugal duct as described in any one of claims 1-7.

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