CN221096969U - Air guide sleeve of axial flow fan and axial flow fan using same - Google Patents
Air guide sleeve of axial flow fan and axial flow fan using same Download PDFInfo
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- CN221096969U CN221096969U CN202322670203.9U CN202322670203U CN221096969U CN 221096969 U CN221096969 U CN 221096969U CN 202322670203 U CN202322670203 U CN 202322670203U CN 221096969 U CN221096969 U CN 221096969U
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- annular reinforcing
- reinforcing rib
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- rib
- cylinder
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 85
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000005728 strengthening Methods 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 description 17
- 210000003205 muscle Anatomy 0.000 description 7
- 230000005855 radiation Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a guide cover of an axial flow fan and the axial flow fan using the same, which comprises a motor fixing cylinder, a protection cylinder and a plurality of guide vanes, wherein a plurality of annular reinforcing ribs and a plurality of radial radiating ribs are arranged between the motor fixing cylinder and the protection cylinder, the radial radiating ribs and the guide vanes are distributed at intervals, the radial radiating ribs and the guide vanes are respectively distributed with the annular reinforcing ribs in a staggered way and form a plurality of ventilation holes, one end of each radial radiating rib is connected with the motor fixing cylinder, the other end of each radial radiating rib is connected with one annular reinforcing rib, and the radial radiating rib is close to the periphery of the motor fixing cylinder through adding a radial radiating rib structure, so that the guide effect of the guide cover on the air around the motor fixing cylinder is improved, the heat transfer efficiency is improved, the motor radiating effect arranged in the motor fixing cylinder is improved, the motor can work at higher environment temperature, and the structural strength of the guide cover is also improved.
Description
Technical Field
The utility model relates to a guide cover of an axial flow fan and the axial flow fan using the guide cover.
Background
The axial flow fan motor with the inner rotor structure has good sealing performance and vibration resistance, and is widely applied to thermal management systems of commercial vehicles and off-road vehicles. However, due to the inner rotor structure, the motor assembly and the control panel are sealed in a sealing space formed by the motor shell and the motor end cover, and as the power of the motor is increased, the heat generated in the motor is increased, the heat dissipation of the motor brings problems, and the working environment temperature of the axial flow fan is also limited. The typical structure of the vehicle-mounted axial flow fan comprises an impeller, a guide cover and a motor (comprising a controller), and the three independent components are formed. Wherein the air guide sleeve is used for guiding wind and supporting the installation of the motor (usually made of plastic material) and protecting the impeller; the impeller is arranged on the motor shaft and generates air quantity when driven to rotate; and the motor is used for converting electric energy into rotary mechanical energy and driving the impeller. The vehicle-mounted axial flow fan is larger and larger in air quantity demand, so that the motor power density is higher and higher, and meanwhile, the heat dissipation capacity demand is larger and higher.
See patent documents with publication numbers of CN110439835A and CN218644534U, and CN110439835A and CN218644534U are integrally cast by adopting a motor shell and a guide cover, are made of aluminum alloy, enlarge the effective heat dissipation area of the motor and solve the problem of heat dissipation of the motor. However, the scheme CN110439835 has the defects of high processing difficulty of the motor shell, large flow resistance caused by large guide vane and flow loss; scheme CN218644534U does not have big guide vane to participate in the heat dissipation, mainly relies on the heat dissipation muscle heat dissipation on the motor end cover, and the heat dispersion is not enough. The motor can only radiate heat by the heat radiation area of the motor, the heat radiation requirement cannot be met, the motor is modified, the volume is increased, and the processing difficulty of more radiating fins is increased for enlarging the heat radiation area.
Disclosure of Invention
The utility model aims to provide a guide cover of an axial flow fan and the axial flow fan using the guide cover, and solves the technical problems that in the prior art, heat is dissipated by the heat dissipation area of a motor, the heat dissipation requirement cannot be met, and the motor is modified to enlarge the heat dissipation area, increase the volume and increase the processing difficulty of more heat dissipation fins of the motor.
The technical scheme of the utility model is realized as follows:
The utility model provides a guide cover of an axial flow fan, which comprises a motor fixed cylinder, a protection cylinder and a plurality of guide vanes, wherein the protection cylinder is positioned at the outer side of the motor fixed cylinder, the plurality of guide vanes are circumferentially arranged between the protection cylinder and the motor fixed cylinder at intervals, one end of each guide vane is connected with the protection cylinder, and the other end is connected with the motor fixed cylinder, and the guide cover is characterized in that: be equipped with a plurality of annular strengthening ribs and a plurality of radial cooling rib between fixed section of thick bamboo of motor and the protective cylinder, interval distribution between a plurality of radial cooling rib and the a plurality of guide vane, a plurality of radial cooling rib and a plurality of guide vane respectively with a plurality of annular strengthening ribs crisscross distribution and form a plurality of ventilation holes, the one end of every radial cooling rib is connected at fixed section of thick bamboo of motor, and the other end is connected with one of them annular strengthening rib.
The protective cylinder comprises a first sleeve part and a second sleeve part, wherein the second sleeve part is connected to the top of the first sleeve part, and one end of each guide vane is connected with the first sleeve part.
The motor fixing cylinder, the protection cylinder, the guide vanes, the annular reinforcing ribs and the radial radiating ribs are integrally molded by aluminum alloy casting.
The plurality of annular reinforcing ribs comprise a first annular reinforcing rib, a second annular reinforcing rib, a third annular reinforcing rib, a fourth annular reinforcing rib, a fifth annular reinforcing rib and a sixth annular reinforcing rib, and the first annular reinforcing rib, the second annular reinforcing rib, the third annular reinforcing rib, the fourth annular reinforcing rib, the fifth annular reinforcing rib and the sixth annular reinforcing rib are distributed from inside to outside;
The interval of first annular strengthening rib and motor fixed cylinder is L1, and the interval of second annular strengthening rib and first annular strengthening rib is L2, and the interval of third annular strengthening rib and second annular strengthening rib is L3, and the interval of fourth annular strengthening rib and third annular strengthening rib is L4, and the interval of fifth annular strengthening rib and fourth annular strengthening rib is L5, and the interval of sixth annular strengthening rib and fifth annular strengthening rib is L6, satisfies between L1, L2, L3, L4, L5 and the L6: l1 is more than L2 is more than L3 is more than L4 is more than L5 is less than L6.
The axial height of the first annular reinforcing rib is H1, the axial height of the second annular reinforcing rib is H2, the axial height of the third annular reinforcing rib is H3, the axial height of the fourth annular reinforcing rib is H4, the axial height of the fifth annular reinforcing rib is H5, the axial height of the sixth annular reinforcing rib is H6, and the following conditions are satisfied among H1, H2, H3, H4, H5 and H6: h1 > H2 > H3 > H4 > H5 > H6.
The utility model provides an axial fan, includes kuppe, motor and wind wheel, its characterized in that: the air guide sleeve is the air guide sleeve of the axial flow fan, the motor is arranged in the motor fixing cylinder of the air guide sleeve, one end of the motor extends out of the shaft extension end, the wind wheel is arranged on the shaft extension end, and the wind wheel is arranged in the protection cylinder.
The motor fixing cylinder is tightly matched with the motor in a hot sleeve mode.
Compared with the prior art, the utility model has the following advantages:
1. The utility model comprises a motor fixing cylinder, a protection cylinder and a plurality of guide vanes, wherein the protection cylinder is positioned at the outer side of the motor fixing cylinder, the plurality of guide vanes are circumferentially arranged between the protection cylinder and the motor fixing cylinder at intervals, one end of each guide vane is connected with the protection cylinder, and the other end is connected with the motor fixing cylinder, and the utility model is characterized in that: be equipped with a plurality of annular strengthening ribs and a plurality of radial cooling rib between fixed section of thick bamboo of motor and the protective cylinder, interval distribution between a plurality of radial cooling rib and the a plurality of guide vane, a plurality of radial cooling rib and a plurality of guide vane are crisscross to be distributed and form a plurality of ventilation holes with a plurality of annular strengthening ribs respectively, the one end of every radial cooling rib is connected at fixed section of thick bamboo of motor, the other end is connected with one of them annular strengthening rib, through increasing radial cooling rib structure, and radial cooling rib is close to around the fixed section of thick bamboo of motor, thereby increase the guide effect to the gas around the fixed section of thick bamboo of motor of kuppe and improve heat transfer efficiency, improve the motor radiating effect of installing in the fixed section of thick bamboo of motor, make the motor can work at higher ambient temperature, can also improve the structural strength of wind scooper.
2. Other advantages of the present utility model are described in detail in the description of the embodiments.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present utility model;
FIG. 2 is a front view of a first embodiment of the present utility model;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
fig. 4 is a perspective view of a second embodiment of the present utility model;
FIG. 5 is an exploded view of a second embodiment of the present utility model;
FIG. 6 is a front view of a second embodiment of the present utility model;
fig. 7 is a cross-sectional view of B-B of fig. 6.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
As shown in fig. 1 to 3, the present embodiment provides a guide casing of an axial flow fan, including a motor fixing cylinder 11, a protection cylinder 12 and a plurality of guide vanes 13, the protection cylinder 12 is located at the outer side of the motor fixing cylinder 11, the plurality of guide vanes 13 are circumferentially arranged between the protection cylinder 12 and the motor fixing cylinder 11 at intervals, one end of each guide vane 13 is connected with the protection cylinder 12, and the other end is connected with the motor fixing cylinder 11, and the guide casing is characterized in that: be equipped with a plurality of annular strengthening ribs 14 and a plurality of radial heat dissipation muscle 15 between motor fixed cylinder 11 and the protective cylinder 12, interval distribution between a plurality of radial heat dissipation muscle 15 and a plurality of guide vane 13, a plurality of radial heat dissipation muscle 15 and a plurality of guide vane 13 respectively with a plurality of annular strengthening ribs 14 crisscross distribution and form a plurality of ventilation holes 16, the one end of every radial heat dissipation muscle 15 is connected at motor fixed cylinder 11, the other end is connected with one of them annular strengthening rib 14, through increasing radial heat dissipation muscle structure, and radial heat dissipation muscle is close to around the motor fixed cylinder, thereby increase the guide effect to motor fixed cylinder surrounding gas of kuppe and improve heat transfer efficiency, improve the motor radiating effect of installing in the motor fixed cylinder, make the motor can work at higher ambient temperature, can also improve the structural strength of kuppe.
The protective cylinder 12 comprises a first sleeve portion 121 and a second sleeve portion 122, the second sleeve portion 122 is connected to the top of the first sleeve portion 121, one end of each guide vane 13 is connected to the first sleeve portion 121, the structural arrangement is reasonable, and the second sleeve portion is used for protecting the wind wheel.
The motor fixing cylinder 11, the protection cylinder 12, the guide vanes 13, the annular reinforcing ribs 14 and the radial radiating ribs 15 are integrally formed by aluminum alloy casting, and the aluminum alloy casting is light in weight, high in heat transfer efficiency and better in structural strength, and the service life and reliability of products can be improved.
The plurality of annular reinforcing ribs 14 include a first annular reinforcing rib 141, a second annular reinforcing rib 142, a third annular reinforcing rib 143, a fourth annular reinforcing rib 144, a fifth annular reinforcing rib 145 and a sixth annular reinforcing rib 146, and the first annular reinforcing rib 141, the second annular reinforcing rib 142, the third annular reinforcing rib 143, the fourth annular reinforcing rib 144, the fifth annular reinforcing rib 145 and the sixth annular reinforcing rib 146 are distributed from inside to outside; the distance between the first annular reinforcing rib 141 and the motor fixing cylinder 11 is L1, the distance between the second annular reinforcing rib 142 and the first annular reinforcing rib 141 is L2, the distance between the third annular reinforcing rib 143 and the second annular reinforcing rib 142 is L3, the distance between the fourth annular reinforcing rib 144 and the third annular reinforcing rib 143 is L4, the distance between the fifth annular reinforcing rib 145 and the fourth annular reinforcing rib 144 is L5, the distance between the sixth annular reinforcing rib 146 and the fifth annular reinforcing rib 145 is L6, and the following conditions are satisfied among L1, L2, L3, L4, L5 and L6: l1 is more than L2 and less than L3 and less than L4 and less than L5 and less than L6, so that the heat radiation performance of the motor arranged on the motor fixing cylinder can be improved, and the resistance loss of the fan can be reduced.
The axial height of the first annular reinforcing rib 141 is H1, the axial height of the second annular reinforcing rib 142 is H2, the axial height of the third annular reinforcing rib 143 is H3, the axial height of the fourth annular reinforcing rib 144 is H4, the axial height of the fifth annular reinforcing rib 145 is H5, the axial height of the sixth annular reinforcing rib 146 is H6, and the following conditions are satisfied between H1, H2, H3, H4, H5 and H6: h1 > H2 > H3 > H4 > H5 > H6, namely the heat radiation performance of the motor arranged on the motor fixing cylinder can be improved, and the resistance loss of the fan can be reduced.
Embodiment two:
As shown in fig. 4 to 7, an axial flow fan includes a guide sleeve 1, a motor 2 and a wind wheel 3, wherein the guide sleeve 1 is a guide sleeve of the axial flow fan according to the first embodiment, the motor 2 is installed in a motor fixing cylinder 11 of the guide sleeve, one end of the motor 2 extends out of an axial extension end 21, the wind wheel 3 is installed on the axial extension end 21, and the wind wheel 3 is located in a protection cylinder 12.
The motor fixing cylinder 11 and the motor 2 are tightly matched together in a hot sleeve mode, and the installation structure is simple.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.
Claims (7)
1. The utility model provides an axial fan's kuppe, includes motor fixed cylinder (11), protective cylinder (12) and a plurality of guide vane (13), and protective cylinder (12) are located the outside of motor fixed cylinder (11), and a plurality of guide vane (13) circumference interval arrangement is between protective cylinder (12) and motor fixed cylinder (11), and protective cylinder (12) are connected to the one end of every guide vane (13), and motor fixed cylinder (11) are connected to the other end, its characterized in that: be equipped with a plurality of annular strengthening ribs (14) and a plurality of radial cooling rib (15) between fixed section of thick bamboo of motor (11) and the protection section of thick bamboo (12), interval distribution between a plurality of radial cooling rib (15) and a plurality of guide vane (13), a plurality of radial cooling rib (15) and a plurality of guide vane (13) respectively with a plurality of annular strengthening rib (14) crisscross distribution and form a plurality of ventilation holes (16), the one end of every radial cooling rib (15) is connected at fixed section of thick bamboo of motor (11), the other end is connected with one of them annular strengthening rib (14).
2. The air guide sleeve of the axial flow fan as set forth in claim 1, wherein: the protective cylinder (12) comprises a first sleeve part (121) and a second sleeve part (122), the second sleeve part (122) is connected to the top of the first sleeve part (121), and one end of each guide vane (13) is connected to the first sleeve part (121).
3. The air guide sleeve of the axial flow fan as set forth in claim 2, wherein: the motor fixing cylinder (11), the protection cylinder (12), the plurality of guide vanes (13), the plurality of annular reinforcing ribs (14) and the plurality of radial radiating ribs (15) are integrally formed by casting aluminum alloy.
4. A guide casing for an axial flow fan according to claim 1, 2 or 3, wherein: the plurality of annular reinforcing ribs (14) comprise a first annular reinforcing rib (141), a second annular reinforcing rib (142), a third annular reinforcing rib (143), a fourth annular reinforcing rib (144), a fifth annular reinforcing rib (145) and a sixth annular reinforcing rib (146), and the first annular reinforcing rib (141), the second annular reinforcing rib (142), the third annular reinforcing rib (143), the fourth annular reinforcing rib (144), the fifth annular reinforcing rib (145) and the sixth annular reinforcing rib (146) are distributed at intervals in the radial direction from inside to outside;
The distance between the first annular reinforcing rib (141) and the motor fixing cylinder (11) is L1, the distance between the second annular reinforcing rib (142) and the first annular reinforcing rib (141) is L2, the distance between the third annular reinforcing rib (143) and the second annular reinforcing rib (142) is L3, the distance between the fourth annular reinforcing rib (144) and the third annular reinforcing rib (143) is L4, the distance between the fifth annular reinforcing rib (145) and the fourth annular reinforcing rib (144) is L5, the distance between the sixth annular reinforcing rib (146) and the fifth annular reinforcing rib (145) is L6, and the distances among L1, L2, L3, L4, L5 and L6 are as follows: l1 is more than L2 is more than L3 is more than L4 is more than L5 is less than L6.
5. The air guide sleeve of the axial flow fan as set forth in claim 4, wherein: the axial height of the first annular reinforcing rib (141) is H1, the axial height of the second annular reinforcing rib (142) is H2, the axial height of the third annular reinforcing rib (143) is H3, the axial height of the fourth annular reinforcing rib (144) is H4, the axial height of the fifth annular reinforcing rib (145) is H5, the axial height of the sixth annular reinforcing rib (146) is H6, and the following conditions are satisfied among H1, H2, H3, H4, H5 and H6: h1 > H2 > H3 > H4 > H5 > H6.
6. The utility model provides an axial fan, includes kuppe (1), motor (2) and wind turbine (3), its characterized in that: the air guide sleeve (1) is an air guide sleeve of the axial flow fan according to any one of claims 1 to 5, the motor (2) is arranged in a motor fixing cylinder (11) of the air guide sleeve, one end of the motor (2) extends out of the shaft extending end (21), the wind wheel (3) is arranged on the shaft extending end (21), and the wind wheel (3) is arranged in the protection cylinder (12).
7. The axial flow fan according to claim 6, wherein: the motor fixing cylinder (11) is tightly matched with the motor (2) in a hot sleeve mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670203.9U CN221096969U (en) | 2023-09-28 | 2023-09-28 | Air guide sleeve of axial flow fan and axial flow fan using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670203.9U CN221096969U (en) | 2023-09-28 | 2023-09-28 | Air guide sleeve of axial flow fan and axial flow fan using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096969U true CN221096969U (en) | 2024-06-07 |
Family
ID=91327767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322670203.9U Active CN221096969U (en) | 2023-09-28 | 2023-09-28 | Air guide sleeve of axial flow fan and axial flow fan using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221096969U (en) |
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2023
- 2023-09-28 CN CN202322670203.9U patent/CN221096969U/en active Active
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| Date | Code | Title | Description |
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