CN218817226U - Fan kuppe with changeable diameter - Google Patents
Fan kuppe with changeable diameter Download PDFInfo
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- CN218817226U CN218817226U CN202223120301.7U CN202223120301U CN218817226U CN 218817226 U CN218817226 U CN 218817226U CN 202223120301 U CN202223120301 U CN 202223120301U CN 218817226 U CN218817226 U CN 218817226U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model belongs to the technical field of heat dissipation flow guide equipment, in particular to a fan flow guide cover with changeable diameter, which comprises a flow guide cover body, a wind shield and a shaping bracket; an air inlet cover hole and an air outlet cover hole which are communicated with each other are arranged on the flow guide cover body; a cross-shaped or straight-shaped shaping bracket is arranged at the air outlet cover hole; the wind shield is arranged on the shaping support and shields one part of the wind shield hole, and the part which is not shielded forms a variable air port; the wind shield is of a structure with a telescopic overall dimension, so that the diameter of the circumscribed circle of the variable air inlet is variable. The telescopic deep bead can be plastic material, can stretch fixedly through the design support, changes diameter and shape for the deep bead can change according to fan and transformer coil's distance, the outer diameter size of coil, guarantees the amount of wind and can concentrate and blow to the winding, promotes the utilization ratio of the amount of wind.
Description
Technical Field
The utility model belongs to the technical field of the heat dissipation guiding device, concretely relates to can change fan kuppe of diameter.
Background
The cross flow fan can be used as one of cooling devices, a fixed wind direction is mostly set when the existing cross flow fan leaves a factory, the utilization rate of the cross flow fan for air cooling of the transformer is low, and the wind direction of the air outlet of the cross flow fan is not necessarily right opposite to the part to be cooled of the transformer, so that a flow guide device is often required to be arranged at the air outlet of the cross flow fan to guide the air, and the utilization rate is improved. However, the size and structure of transformers of different models are different, and therefore, how to arrange a flow guiding device which can be universally used for different transformers is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the existing flow guide device cannot be used for transformers of different models, the scheme provides the fan flow guide cover with the changeable diameter.
The utility model discloses the technical scheme who adopts does:
a fan air guide sleeve with a changeable diameter comprises an air guide sleeve body, an air baffle and a shaping bracket;
an air inlet cover hole and an air outlet cover hole which are communicated with each other are arranged on the flow guide cover body;
a cross-shaped or straight-shaped shaping bracket is arranged at the air outlet cover hole;
the wind shield is arranged on the shaping support and shields one part of the wind shield hole, and the part which is not shielded forms a variable air port;
the wind shield is of a structure with a telescopic overall dimension, so that the diameter of the circumscribed circle of the variable air port is variable. In the structure, after air for cooling enters from the air inlet hood hole, the air can reach the air outlet hood hole through the air guide channel in the air guide hood body, and is discharged from the air outlet hood hole, and when the fan air guide hood is corresponding to a transformer to be practically applied, the position of the air outlet hood hole is difficult to change, and the air baffle with the position changeable is arranged, so that the position of the air inlet changeable can be changed according to the part of the transformer needing to be cooled, in addition, the air baffle adopts a telescopic structure, the size of the changeable seal can also be changed, and the wind energy for cooling can be aligned to the specific part of the transformer, thereby improving the cooling efficiency.
As a complement or alternative to the above-described variable diameter fan nacelle: the surface of the wind shield is corrugated to realize stretching; or/and the wind deflector is made of deformable materials so as to realize stretching. The size and the position change of variable wind gap can only be realized to the position change of its own to the deep bead, can also utilize the fold structure on the deep bead to realize tensile or shrink to make the size and the position of variable wind gap realize changing through the adjustment of the face fold shape of deep bead, in addition, if the deep bead adopts elastically deformable's material, can utilize the flexible size and the position change that realizes the variable wind gap of the face of deep bead.
As a complement or alternative to the above-described variable diameter fan nacelle: the wind shield is arc-shaped, the variable air opening is formed in the annular position of the wind shield, and the inner edge of the wind shield can be radially scaled.
As a complement or alternative to the above-described variable diameter fan nacelle: the upper surface of the air deflector body is provided with a plurality of air deflector holes, and each air deflector hole is provided with a wind deflector and a shaping bracket; the number and position of the variable tuyeres correspond to the number and position of the sites to be cooled.
As a complement or alternative to the above-described variable diameter fan shroud: the air deflector body is in a long box shape, the air outlet cover hole is formed in the upper surface of the air deflector body, and the air inlet cover hole is formed in the lower surface of the air deflector body.
As a complement or alternative to the above-described variable diameter fan shroud: the air outlet cover hole of the flow guide cover body is communicated with a cross flow fan, the air outlet of the cross flow fan is in butt joint connection with the air outlet cover hole, and the air inlet of the cross flow fan is communicated with the air environment.
As a complement or alternative to the above-described variable diameter fan nacelle: the air inlet is provided with a screen plate.
As a complement or alternative to the above-described variable diameter fan nacelle: a plurality of positioning holes are formed in the shaping support; and after the wind shield is deformed, the wind shield is fixed to different positioning holes by screws.
The beneficial effects of the utility model are that:
1. in the scheme, when the fan air guide sleeve is actually applied corresponding to the transformer, the position of the air outlet cover hole is difficult to change, and the air baffle plate with the changeable position is arranged, so that the position of the changeable air inlet can be changed according to the part of the transformer needing to be cooled;
2. in addition, the wind shield adopts a telescopic structure, so that the size of the variable seal can be changed, and wind used for cooling can be aligned to a specific part of the transformer, thereby improving the cooling efficiency;
3. the deep bead adopts the material of fold structure or deformation, can utilize the position change of its own to realize the size and the position change in variable wind gap, can also utilize the fold structure on the deep bead to realize tensile or shrink to make the size and the position in variable wind gap realize changing through the adjustment of the face fold shape of deep bead, also can utilize the flexible size and the position change that realize variable wind gap of the face of deep bead.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a block diagram of the blower cowling and crossflow blower explosion in this scenario;
FIG. 2 is a combined structure diagram of a fan guide cover and a cross flow fan in the scheme;
fig. 3 is a combined structure diagram of the wind shield in the scheme.
In the figure: 1-cross flow fan; 11-an air inlet; 12-an air outlet; 2-a flow guiding cover body; 21-air outlet cover holes; 3-shaping the bracket; 4-wind shield; 41-variable tuyere.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments, but not all of the embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present disclosure belong to the protection scope of the present disclosure.
Example 1
As shown in fig. 1 to 3, the present embodiment designs a fan air guide casing with a changeable diameter, which includes an air guide casing body 2, an air baffle 4 and a shaping bracket 3. The wind shield 4 is of a structure with an extensible external dimension, so that the diameter of a circumscribed circle of the variable air inlet 41 is variable.
An air inlet hood hole and an air outlet hood hole 21 which are communicated with each other are arranged on the flow guide hood body 2; a plurality of air outlet cover holes 21 are formed in the upper surface of the air guide cover body 2, and a wind shield 4 and a shaping support 3 are arranged at each air outlet cover hole 21; the number and positions of the variable tuyeres 41 correspond to the number and positions of the portions to be cooled. The air guide cover body 2 is in a long box shape, the air outlet cover hole 21 is formed in the upper surface of the air guide cover body 2, and the air inlet cover hole is formed in the lower surface of the air guide cover body 2. The air inlet 11 is provided with a screen plate, so that the screen plate is used for filtering and shielding large-volume impurities such as leaves and plastic bags.
A cross-shaped or straight-shaped shaping bracket 3 is arranged at the air outlet cover hole 21; a plurality of positioning holes are formed in the shaping support 3; after the wind shield 4 is deformed, the wind shield is fixed to different positioning holes by screws. The shaped support 3 shown in fig. 1 is cross-shaped, while the straight shaped support 3 is not shown in the figure.
The way of implementing the position and shape change of the variable tuyere 41 using the wind deflector 4 in the present embodiment may be one or a combination of more of the following three. In the first structure, the wind shield 4 is arranged on the shaping support 3 and shields one part of the wind shield hole 21, the unshielded part forms the variable air opening 41, and the size and the position of the variable air opening 41 are changed only by utilizing the position change of the wind shield 4. In the second structure, the wind deflector 4 is arc-shaped, the variable air opening 41 is formed in the center of the wind deflector 4, the surface of the wind deflector 4 is corrugated to realize stretching, and the corrugated structure on the wind deflector 4 is utilized to realize stretching or shrinking, so that the size and position of the variable air opening 41 can be changed by adjusting the corrugated shape of the surface of the wind deflector 4. In the third structure, the wind deflector 4 is arc-shaped, the variable air opening 41 is formed in the center or the ring center of the wind deflector 4, the inner edge of the wind deflector 4 can be radially scaled, and the size and the position of the variable air opening 41 can be changed by utilizing the expansion and contraction of the surface of the wind deflector 4.
An air outlet cover hole 21 of the flow guide cover body 2 is communicated with a cross flow fan 1, an air outlet 12 of the cross flow fan 1 is in butt joint connection with the air outlet cover hole 21, and an air inlet 11 of the cross flow fan 1 is communicated with an air environment.
When the structure of this embodiment is in use, after air for cooling gets into from air inlet hood hole, will reach air outlet hood hole 21 through the air guide channel in the kuppe body 2, and discharge by air outlet hood hole 21 department, and because the fan kuppe is when carrying out practical application corresponding to the transformer, because the position of air outlet hood hole 21 is difficult to change, and set up the deep bead 4 of variable change position, make the position of variable wind gap 41 carry out position change according to the part that the transformer needs cooling, in addition, deep bead 4 adopts the telescopic structure, make the size that variably seals also can change, thereby make the wind energy that is used for the cooling enough aim at the specific part of transformer, thereby improve cooling efficiency.
Example 2
As shown in fig. 1 to 3, the present embodiment designs a combined structure for cooling a transformer, including a crossflow blower 1 and a blower dome.
The cross flow fan 1 is of a long strip-shaped structure, an air outlet 12 of the cross flow fan 1 is in butt joint connection with an air outlet cover hole 21, and an air inlet 11 of the cross flow fan 1 is communicated with an air environment. The air inlet 11 is provided on the facade of the crossflow blower 1 and the air outlet 12 is provided on the top surface of the crossflow blower 1.
The fan air guide sleeve comprises an air guide sleeve body 2, an air baffle 4 and a shaping support 3. The wind shield 4 is of a structure with an extensible external dimension, so that the diameter of a circumscribed circle of the variable air inlet 41 is variable.
The draft hood body 2 is provided with an air inlet hood hole and an air outlet hood hole 21 which are communicated with each other, and when air for cooling enters from the air inlet hood hole, the air will reach the air outlet hood hole 21 through an air guide channel in the draft hood body 2 and be discharged from the air outlet hood hole 21.
The upper surface of the air guide hood body 2 is provided with three air outlet hood holes 21, and each air outlet hood hole 21 is provided with a wind shield 4 and a shaping bracket 3; the number and positions of the variable tuyeres 41 correspond to the number and positions of the portions to be cooled. The air deflector body 2 is in a long box shape, the air outlet cover hole 21 is formed in the upper surface of the air deflector body 2, and the air inlet cover hole is formed in the lower surface of the air deflector body 2. The air inlet 11 is provided with a screen plate.
A cross-shaped shaping bracket 3 is arranged at the air outlet cover hole 21; a plurality of positioning holes are formed in the shaping support 3; after the wind shield 4 is deformed, the wind shield is fixed to different positioning holes by screws. The wind shield 4 adopts a telescopic structure, so that the size of the variable seal can be changed, and the wind energy for cooling can be aligned to a specific part of the transformer, thereby improving the cooling efficiency.
The wind shield 4 is arranged on the shaping support 3 and shields one part of the wind outlet cover hole 21, the part which is not shielded forms the variable air port 41, and the wind shield 4 with the position changeable is arranged because the position of the wind outlet cover hole 21 is difficult to change when the fan air guide cover is actually applied corresponding to a transformer, so that the position of the variable air port 41 can be changed according to the position of the part of the transformer which needs to be cooled. The surface of the wind shield 4 is wrinkled to realize stretching; or/and the wind deflector 4 is made of deformable materials so as to realize stretching. The wind deflector 4 is arc-shaped, the variable air opening 41 is formed at the annular part of the wind deflector 4, and the inner edge of the wind deflector 4 can be radially scaled.
The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; and are neither required nor exhaustive of all embodiments. And obvious variations or modifications of this technology may be resorted to while remaining within the scope of the technology.
Claims (8)
1. The utility model provides a fan kuppe of changeable diameter which characterized in that: comprises a diversion cover body (2), a wind shield (4) and a shaping bracket (3);
an air inlet cover hole and an air outlet cover hole (21) which are communicated with each other are arranged on the flow guide cover body (2);
a cross-shaped or straight-shaped shaping bracket (3) is arranged at the air outlet cover hole (21);
the wind shield (4) is arranged on the shaping support (3) and shields one part of the wind shield hole (21), and the part which is not shielded forms a variable air port (41);
the wind shield (4) is of a structure with a telescopic external dimension, so that the diameter of a circumscribed circle of the variable air opening (41) is variable.
2. The variable diameter fan shroud of claim 1, wherein: the surface of the wind shield (4) is wrinkled to realize stretching; or/and the wind deflector (4) is made of deformable materials so as to realize stretching.
3. The variable diameter fan nacelle of claim 1 wherein: the wind shield (4) is arc-shaped, the variable air opening (41) is formed in the annular position of the wind shield (4), and the inner edge of the wind shield (4) can be radially scaled.
4. The variable diameter fan shroud of claim 1, wherein: a plurality of air outlet cover holes (21) are formed in the upper surface of the air guide cover body (2), and a wind shield (4) and a shaping support (3) are arranged at each air outlet cover hole (21); the number and positions of the variable tuyeres (41) correspond to the number and positions of the portions to be cooled.
5. The variable diameter fan nacelle of claim 4 wherein: the air guide cover body (2) is in a long box shape, the air outlet cover hole (21) is formed in the upper surface of the air guide cover body (2), and the air inlet cover hole is formed in the lower surface of the air guide cover body (2).
6. The variable diameter fan shroud of claim 1, wherein: an air outlet cover hole (21) of the flow guide cover body (2) is communicated with a cross flow fan (1), an air outlet (12) of the cross flow fan (1) is in butt joint connection with the air outlet cover hole (21), and an air inlet (11) of the cross flow fan (1) is communicated with an air environment.
7. The variable diameter fan nacelle of claim 6 wherein: the air inlet (11) is provided with a screen plate.
8. The variable diameter fan nacelle of claim 1 wherein: a plurality of positioning holes are formed in the shaping support (3); and after the wind shield (4) is deformed, the wind shield is fixed to different positioning holes by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223120301.7U CN218817226U (en) | 2022-11-21 | 2022-11-21 | Fan kuppe with changeable diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223120301.7U CN218817226U (en) | 2022-11-21 | 2022-11-21 | Fan kuppe with changeable diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218817226U true CN218817226U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223120301.7U Active CN218817226U (en) | 2022-11-21 | 2022-11-21 | Fan kuppe with changeable diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218817226U (en) |
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2022
- 2022-11-21 CN CN202223120301.7U patent/CN218817226U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510000 No.15 Huashan Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province (factory building C) Patentee after: Guangzhou Junfa Electrical Equipment Co.,Ltd. Address before: 510000 No.15 Huashan Road, Shilou Town, Panyu District, Guangzhou City, Guangdong Province (factory building C) Patentee before: GUANGZHOU CRRC JUNFA ELECTRIC CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |