CN204532971U - Diffuser, centrifugal compression-type power system and without blade fan - Google Patents
Diffuser, centrifugal compression-type power system and without blade fan Download PDFInfo
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- CN204532971U CN204532971U CN201520141692.1U CN201520141692U CN204532971U CN 204532971 U CN204532971 U CN 204532971U CN 201520141692 U CN201520141692 U CN 201520141692U CN 204532971 U CN204532971 U CN 204532971U
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Abstract
The utility model discloses a kind of diffuser, comprise lower element and upper element, upper element is fixed on lower element, and upper element and lower element are respective obtained by molding.Lower element includes lower inner wall and bottom outer wall, and upper element comprises upper inside wall and external wall of upper portion.The interior wind-guiding face that upper inside wall and lower inner wall are connected to form, the outer wind-guiding face that external wall of upper portion and bottom outer wall are connected to form, the interior wind-guiding face air-guiding aisle that be defined for diffusive gas flow relative to outer wind-guiding face.Upper element also comprises the upper wind-guiding fin connecting upper inside wall and external wall of upper portion, and lower element also comprises the lower wind-guiding fin connecting lower inner wall and bottom outer wall.The wind-guiding fin in wind-guiding face and outer wind-guiding face in upper wind-guiding fin and lower wind-guiding fin are connected to form and are connected.So, the fracture that wind-guiding fin causes because of contraction deformation can be decreased, and diffuser structure is simple, easy installation and removal.The invention also discloses centrifugal compression-type power system and without blade fan.
Description
Technical field
The utility model relates to centrifugal compressed technology, especially relates to a kind of diffuser, a kind of centrifugal compression-type power system and one without blade fan.
Background technique
Existingly generally comprise diffuser without blade fan.The wind-guiding fin of this diffuser is located between outer wall and inwall, but the contraction deformation of wind-guiding fin easily causes fracture.Therefore, mostly the wind-guiding fin of diffuser of the prior art is shaping separately and is fixed between inwall and outer wall again; Or wind-guiding fin and inwall one-body molded, wind-guiding fin is by fixing in the groove that embeds outer wall.But like this complex structure, be not easy to installing/dismounting, increase assembling intensity and cost of production.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model needs to provide a kind of diffuser.
The utility model also needs to provide a kind of centrifugal compression-type power system.
The utility model also needs to provide a kind of without blade fan.
According to the diffuser of the utility model better embodiment, comprise lower element and upper element, described upper element is fixed on described lower element, and upper element and lower element are respective obtained by molding.Described lower element includes lower inner wall and bottom outer wall, and described upper element comprises upper inside wall and external wall of upper portion.The interior wind-guiding face that described upper inside wall and described lower inner wall are connected to form, the outer wind-guiding face that described external wall of upper portion and described bottom outer wall are connected to form, described interior wind-guiding face and described outer wind-guiding face are oppositely arranged and are defined for the air-guiding aisle of diffusive gas flow.Described upper element also comprises the upper wind-guiding fin connecting described upper inside wall and described external wall of upper portion, and described lower element also comprises the lower wind-guiding fin connecting described lower inner wall and described bottom outer wall.Described upper wind-guiding fin is connected to form with described lower wind-guiding fin the wind-guiding fin being connected described interior wind-guiding face and described outer wind-guiding face.
The diffuser of the utility model better embodiment is divided into described upper element and described lower element, described upper element and each self-forming of described lower element, described wind-guiding fin is formed by connecting by described upper wind-guiding fin and described lower wind-guiding fin, because described wind-guiding fin is divided into two-part, the fracture that described wind-guiding fin causes because of contraction deformation can be decreased.Further, described diffuser structure is simple, easy installation and removal, reduces assembling intensity and cost of production.
In some embodiments, multiple described wind-guiding fin equal angles is arranged.
In some embodiments, described interior wind-guiding face is formed with through hole, and described through hole is between two adjacent lower wind-guiding fins.
In some embodiments, described upper element and described lower element are connected by screw.
According to the centrifugal compression-type power system of the utility model better embodiment, described power system comprises the diffuser of above-mentioned any mode of execution.
In some embodiments, the impeller that described power system also comprises motor and is connected with described motor, described motor is between described diffuser and described impeller, and described diffuser is connected to the downstream of the air-flow that impeller produces.
According to the utility model better embodiment without blade fan, comprise power system, described power system comprises the diffuser of above-mentioned any mode of execution.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of mode of execution, wherein: Fig. 1 is the generalized section of the diffuser according to the utility model better embodiment.
Fig. 2 is the generalized section of the centrifugal compression-type power system according to the utility model better embodiment.
Fig. 3 is the plan view of the centrifugal compression-type power system according to the utility model better embodiment.
Fig. 4 is the schematic perspective view of the centrifugal compression-type power system according to the utility model better embodiment.
Embodiment
Be described below in detail mode of execution of the present utility model, the example of described mode of execution is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the mode of execution be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different mode of executions or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various mode of execution and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1, the diffuser 10 of the utility model first aspect better embodiment comprises lower element 12 and upper element 14, and upper element 14 is fixed on lower element 12, and upper element 14 and lower element 12 are respective obtained by molding.
Lower element 12 includes lower inner wall 120 and bottom outer wall 122, and upper element 14 comprises upper inside wall 140 and external wall of upper portion 142.Upper inside wall 140 and lower inner wall 120 are connected to form interior wind-guiding face 16, and external wall of upper portion 142 and bottom outer wall 122 are connected to form outer wind-guiding face 18, and interior wind-guiding face 16 is oppositely arranged with outer wind-guiding face 18 and is defined for the air-guiding aisle 20 of diffusive gas flow.
Upper element 14 also comprises the upper wind-guiding fin 144 connecting upper inside wall 140 and external wall of upper portion 142, and lower element 12 also comprises the lower wind-guiding fin 124 connecting lower inner wall 120 and bottom outer wall 122.The wind-guiding fin 22 in wind-guiding face 16 and outer wind-guiding face 18 in upper wind-guiding fin 144 and lower wind-guiding fin 124 are connected to form and are connected.
The diffuser 10 of the utility model first aspect better embodiment is divided into upper element 14 and lower element 12, upper element 14 and lower element 12 are respective obtained by molding, wind-guiding fin 22 is formed by connecting with lower wind-guiding fin 124 by upper wind-guiding fin 144, because wind-guiding fin 22 is divided into two-part, decrease the fracture that wind-guiding fin 22 causes because of contraction deformation.Further, diffuser 10 structure is simple, easy installation and removal, reduces assembling intensity and cost of production.
Particularly, diffuser 10 is formed by connecting by upper element 14 and lower element 12, and it is large that upper element 14 and lower element 12 are one end, and the structure that one end is little, is conducive to the diffusion of air-flow.
Spiral helicine upper wind-guiding fin 144 is formed between the upper inside wall 140 of upper element 14 and external wall of upper portion 142, be formed with spiral helicine lower wind-guiding fin 124 between the lower inner wall 120 of lower element 12 and bottom outer wall 122, upper wind-guiding fin 144 docks with lower wind-guiding fin 124 and forms wind-guiding fin 22.
External wall of upper portion 142 is the structure of shrinking to central spreader, and upper inside wall 140 is positioned at the center of external wall of upper portion 142, and upper wind-guiding fin 144 to extend and in the shape of a spiral to external wall of upper portion 142 from the center of upper inside wall 140.
Bottom outer wall 122 is the structure of shrinking to central spreader, and bottom outer wall 122 comprises lower inner wall 120, and the top of lower inner wall 120 is formed with circular open, and lower wind-guiding fin 124 extends from lower inner wall 120 lower portion outer wall 122.
External wall of upper portion 142 comprises first end 14a opposing upper and lower and the second end 14b, and bottom outer wall 122 comprises the 3rd end 12a opposing upper and lower and the 4th end 12b.Second end 14b of external wall of upper portion 142 docks with the 3rd end 12a of bottom outer wall 122, and the bottom of upper inside wall 140 is docked with the circular open of lower inner wall 120.4th end 12b of bottom outer wall 122 is larger than the diameter of the first end 14a of external wall of upper portion 142.The joint of upper element 14 and lower element 12 is in seamlessly transitting.
In the present embodiment, upper wind-guiding fin 144 docks with lower wind-guiding fin about 124 and forms wind-guiding fin 22.Preferably, the number of upper wind-guiding fin 144 is 11, and the number of lower wind-guiding fin 124 is 11, and the number of wind-guiding fin 22 is 11.The curved sheet of wind-guiding fin 22 and in streamlined, the center of wind-guiding fin 22 self-diffusion device 10 extends radially outward, multiple wind-guiding fin 22 in the shape of a spiral and equal angles arrange, the air-flow entering diffuser 10 is discharged with spiral air flow shape through wind-guiding fin 22.
So, spiral helicine wind-guiding fin 22 can weaken the air-flow swirl strength in diffuser 20.
In the present embodiment, upper inside wall 140 and lower inner wall 120 are connected to form interior wind-guiding face 16.Interior wind-guiding face 16 is formed with multiple manhole 24 and is evenly distributed between two adjacent lower wind-guiding fins 124.
In the present embodiment, upper element 14 is removably mounted on lower element 12.Particularly, the outer surface of the external wall of upper portion 142 of upper element 14 is formed with four screws, the outer surface of the bottom outer wall 122 of lower element 12 is formed with four screws, when diffuser 10 assembles, the second end 14b of external wall of upper portion 142 docks with the 3rd end 12a of bottom outer wall 122 and the screw of external wall of upper portion 142 aligns with the screw of bottom outer wall 122 to be connected by screw upper element 14 and lower element 12.So, upper element 14 and lower element 12 are convenient to installation and removal.External wall of upper portion 142 is formed with stiffening rib to improve this place's intensity with the screw place of bottom outer wall 122.
Refer to Fig. 2 and Fig. 4, the utility model second aspect better embodiment provides a kind of centrifugal compression-type power system 34.This power system 34 comprises motor 26, the impeller 28 be connected with motor 26 and is positioned at the diffuser 10 in downstream of the air-flow that impeller 28 produces, and motor 26 is between diffuser 10 and impeller 28.Impeller 28 High Rotation Speed under the drive of motor 26, the air-flow that impeller 28 High Rotation Speed produces is carried out deceleration pressurization and racemization by diffuser 10.
Impeller housing 30 is formed outside impeller 28, the lower element 12 of diffuser 10 is connected with impeller housing 30, motor 26 is positioned at the basic impeller housing 30 for frustoconical and is installed on impeller housing 30, the running shaft of motor 26 is fixedly connected with impeller 28 with impeller 28 High Rotation Speed, be formed with motor case 32 outside motor 26, the lower inner wall 120 of diffuser 10 connects to support motor casing 32 to downward-extension with motor casing 32.
The guide duct and the power system 34 that comprise head, pedestal, connection head and pedestal without blade fan of the utility model third aspect better embodiment.Power system 34 is arranged in this pedestal.
Diffuser 10 is positioned at the diffusion section of the inlet air flow path without blade fan, the high velocity air that impeller 28 is formed enters the air-guiding aisle 20 of diffuser 10, wind-guiding fin 22 guides air-flow to enter guide duct and leads to head, and this air-flow can from the nozzle ejection of head out.Diffuser 10 guides for the air outlet of the pedestal that air-flow court impeller 28 being rotated formation is communicated with guide duct, and the high velocity air that impeller 28 is formed by diffuser 10 is through pressurization and the racemization of slowing down.
In the description of this specification, specific features, structure, material or feature that the description of reference term " mode of execution ", " some mode of executions ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described mode of execution or example are contained at least one mode of execution of the present utility model or example.In this manual, identical mode of execution or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more mode of execution or example.
Although illustrate and described mode of execution of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these mode of executions when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (7)
1. a diffuser, is characterized in that, comprising: lower element and the upper element be fixed on described lower element, and described upper element and described lower element are respective obtained by molding; Described lower element includes lower inner wall and bottom outer wall, and described upper element comprises upper inside wall and external wall of upper portion; The interior wind-guiding face that described upper inside wall and described lower inner wall are connected to form; Described external wall of upper portion and described bottom outer wall are connected to form outer wind-guiding face, described interior wind-guiding face and described outer wind-guiding face are oppositely arranged and are defined for the air-guiding aisle of diffusive gas flow, described upper element also comprises the upper wind-guiding fin connecting described upper inside wall and described external wall of upper portion, and described lower element also comprises the lower wind-guiding fin connecting described lower inner wall and described bottom outer wall; Described upper wind-guiding fin is connected to form with described lower wind-guiding fin the wind-guiding fin being connected described interior wind-guiding face and described outer wind-guiding face.
2. diffuser according to claim 1, is characterized in that, multiple described wind-guiding fin equal angles is arranged.
3. diffuser according to claim 1, is characterized in that, described interior wind-guiding face is formed with through hole, and described through hole is between two adjacent lower wind-guiding fins.
4. diffuser according to claim 1, is characterized in that, described upper element and described lower element are connected by screw.
5. a centrifugal compression-type power system, is characterized in that, described power system comprises the diffuser described in Claims 1 to 4 any one.
6. centrifugal compression-type power system according to claim 5, it is characterized in that, the impeller that described power system also comprises motor and is connected with described motor, described motor is between described diffuser and described impeller, and described diffuser is connected to the downstream of the air-flow that described impeller produces.
7. without a blade fan, comprise centrifugal compression-type power system, it is characterized in that, described power system comprises the diffuser described in Claims 1 to 4 any one.
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141692.1U CN204532971U (en) | 2015-03-12 | 2015-03-12 | Diffuser, centrifugal compression-type power system and without blade fan |
| US15/554,009 US10634163B2 (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and bladeless fan |
| KR1020177026210A KR102010007B1 (en) | 2015-03-12 | 2015-11-30 | Diffusers, centrifugal compression power systems, and bladeless fans |
| AU2015385496A AU2015385496B2 (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and vaneless fan |
| EP15884416.7A EP3269985B1 (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and vaneless fan |
| SG11201706095PA SG11201706095PA (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and bladeless fan |
| JP2017547094A JP6510668B2 (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression type power system and bladeless fan |
| MYPI2017702696A MY194955A (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and bladeless fan |
| CA2975308A CA2975308C (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and bladeless fan |
| PCT/CN2015/096053 WO2016141738A1 (en) | 2015-03-12 | 2015-11-30 | Diffuser, centrifugal compression power system and vaneless fan |
| US16/819,196 US11905970B2 (en) | 2015-03-12 | 2020-03-16 | Diffuser, centrifugal compression power system and bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520141692.1U CN204532971U (en) | 2015-03-12 | 2015-03-12 | Diffuser, centrifugal compression-type power system and without blade fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532971U true CN204532971U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520141692.1U Active CN204532971U (en) | 2015-03-12 | 2015-03-12 | Diffuser, centrifugal compression-type power system and without blade fan |
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| Country | Link |
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| CN (1) | CN204532971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728173A (en) * | 2015-03-12 | 2015-06-24 | 广东美的环境电器制造有限公司 | Diffuser, centrifugal compression type power system and bladeless fan |
| WO2016141738A1 (en) * | 2015-03-12 | 2016-09-15 | 广东美的环境电器制造有限公司 | Diffuser, centrifugal compression power system and vaneless fan |
-
2015
- 2015-03-12 CN CN201520141692.1U patent/CN204532971U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728173A (en) * | 2015-03-12 | 2015-06-24 | 广东美的环境电器制造有限公司 | Diffuser, centrifugal compression type power system and bladeless fan |
| WO2016141738A1 (en) * | 2015-03-12 | 2016-09-15 | 广东美的环境电器制造有限公司 | Diffuser, centrifugal compression power system and vaneless fan |
| CN104728173B (en) * | 2015-03-12 | 2017-09-19 | 广东美的环境电器制造有限公司 | Diffuser, centrifugal compression-type dynamical system and bladeless fan |
| US10634163B2 (en) | 2015-03-12 | 2020-04-28 | Gd Midea Environment Appliances Mfg Co., Ltd. | Diffuser, centrifugal compression power system and bladeless fan |
| US11905970B2 (en) | 2015-03-12 | 2024-02-20 | Gd Midea Environment Appliances Mfg Co., Ltd. | Diffuser, centrifugal compression power system and bladeless fan |
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