CN111872353A - Fan with silent ring structure and manufacturing method thereof - Google Patents
Fan with silent ring structure and manufacturing method thereof Download PDFInfo
- Publication number
- CN111872353A CN111872353A CN202010828232.1A CN202010828232A CN111872353A CN 111872353 A CN111872353 A CN 111872353A CN 202010828232 A CN202010828232 A CN 202010828232A CN 111872353 A CN111872353 A CN 111872353A
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- Prior art keywords
- aluminum alloy
- alloy blade
- fan
- ring
- blade
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- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 107
- 238000001746 injection moulding Methods 0.000 claims abstract description 37
- 230000030279 gene silencing Effects 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 230000001743 silencing effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 7
- 239000012778 molding material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/24—Accessories for locating and holding cores or inserts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the field of computer structural components, and discloses a fan with a mute ring structure, which comprises a plurality of aluminum alloy blades and a plurality of silencing ring structures, wherein the aluminum alloy blades are used for connecting a plurality of aluminum alloy blade motor shells; one end of each aluminum alloy blade, which is far away from the motor shell, is provided with a connecting part, and the connecting part is connected with the mute ring; the motor shell and the mute ring are connected with the aluminum alloy blade in an injection molding integrated mode. The fan has better silencing effect.
Description
Technical Field
The invention belongs to the field of computer structural components, and particularly relates to an improvement on a CPU fan.
Background
In order to seek excellent performance, a computer includes various high-power components, such as a power supply, a CPU, a display card, and the like, which all need to dissipate heat, the most widely used heat dissipation method at present is to mount a metal heat sink on a heat-generating component, where the metal heat sink has fins, and a fan drives air to flow to take away heat on the fins. And the higher the component or overall power of the computer, the faster the fan speed is required, and correspondingly, noise is generated.
The noise is generated by the vibration of the blades, and particularly after long-term use, the motor bearing is more seriously abraded due to the vibration of the blades, so that the vibration of the blades is further aggravated, and more obvious noise is caused.
Disclosure of Invention
The technical problem that this application will be solved is that the suppression aluminum alloy blade vibrates noise reduction. The present invention provides a fan with a squelch ring to solve the above problems. Meanwhile, the invention also provides a manufacturing method of the silent ring fan.
The fan with the silencing ring structure comprises a plurality of aluminum alloy blades and a plurality of silencing ring structures, wherein the aluminum alloy blades are used for connecting the plurality of aluminum alloy blade motor shells and are arranged around the motor shells; one end of each aluminum alloy blade, which is far away from the motor shell, is provided with a connecting part, and the connecting part is connected with the mute ring; the motor shell and the mute ring are connected with the aluminum alloy blade in an injection molding integrated mode.
In the scheme, the aluminum alloy blades of the mute ring structural member can reduce the vibration generated in the blade rotating process after being connected together, the noise can be effectively reduced, the adverse influence of the sound blades on the shaft caused by vibration is reduced, and the deformation generated in the blade rotating process is reduced, so that the air supply efficiency is improved.
In a preferred scheme, a connecting hole and a connecting groove are formed in the joint of the aluminum alloy blade and the motor shell, and the connecting hole and the connecting groove are connected with the inside of the injection molding motor shell.
In a preferred aspect, the connecting portion includes an opening formed in an edge of the aluminum alloy blade, and the fan silencer is connected to the opening in the edge of the aluminum alloy blade by injection molding.
The invention provides a manufacturing method of a fan with a mute ring structure, which comprises the steps of stamping an aluminum alloy sheet to form an aluminum alloy blade, and forming a connecting part for connecting the mute ring structure on the aluminum alloy blade; placing the aluminum alloy blade in an aluminum alloy blade injection mold, and fixing the aluminum alloy blade by using a clamping structure for placing the aluminum alloy blade in the injection mold; injecting injection molding raw materials into the injection mold to form a motor shell for fixing the aluminum alloy blades and a fan mute ring structure connected with the connecting part; and cooling and then removing the mould to form the fan with the mute ring structure.
The manufacturing method provides an integrated molding scheme of the fan motor shell and the mute ring, and the mute ring formed by the injection molding method has better structural integrity and can bring better mute effect. Meanwhile, the integrated injection molding simplifies the manufacturing process, and is convenient to reduce the manual participation, so that the manufacturing process is fully automatic.
In a preferred aspect, the aluminum alloy blade is placed in an injection mold, comprising: inputting a plurality of aluminum alloy blades formed by stamping into a cam sheet inserting machine, and inserting the plurality of aluminum alloy blades into a mold core of an injection mold by the cam sheet inserting machine.
In a preferred scheme, the clamping structure of the aluminum alloy blade comprises a plurality of first clamping structures which are annularly arranged and used for clamping the joint of the aluminum alloy blade and the motor shell, and a plurality of second clamping structures which are annularly arranged and used for clamping one end, far away from the motor shell, of the aluminum alloy blade.
In a preferred scheme, grooves are formed in the plurality of second clamping structures, and the plurality of grooves are arranged to form a silent ring injection molding runner; when the aluminum alloy blade is placed in the injection mold, the silent ring connecting structure is arranged in the silent ring injection runner; and injecting the injection molding raw material into an injection mold, then enabling the injection molding raw material to flow into the silent ring runner, and cooling to form a silent ring structure.
In a preferred embodiment, the first clamping structures are arranged obliquely.
In a preferred embodiment, the plurality of second clamping structures are disposed on an outer peripheral side of the plurality of first clamping structures, a motor housing forming punch is disposed on an inner peripheral side of the plurality of first clamping structures, and the center of the motor housing forming punch is an ejection structure.
In a preferred embodiment, the step of releasing the mold after cooling includes ejecting the ejection structure outward after cooling, separating the motor shell on the motor shell forming mold, and separating the first clamping structure and the second clamping structure from the aluminum alloy blade.
Drawings
Fig. 1 is a schematic view of a fan with a silent ring structure.
FIG. 2 is a schematic view of an aluminum alloy blade structure.
FIG. 3 is a flow chart of a method for manufacturing a fan with a silent ring structure.
Fig. 4 is an exploded view of a fan with a squelch ring structure.
Fig. 5 is a schematic perspective view of the core.
Fig. 6 is a top view of the mold core.
Fig. 7 is a schematic view of the injection molding state of the mold.
FIG. 8 is a schematic view of an aluminum alloy blade stamped from an aluminum alloy sheet.
Detailed Description
The technical solutions are described below with reference to the accompanying drawings to help those skilled in the art to further understand the technical solutions of the present application.
Referring to fig. 1, 2 and 4, a fan structure 100 with a mute ring is schematically shown, and the mute fan 100 includes a motor housing 102 and a plurality of aluminum alloy blades 200 disposed on the motor housing. The aluminum alloy blade 200 is disposed around the motor housing 102, and the front end of the aluminum alloy blade 200 is embedded inside the motor housing 102. The motor housing 102 includes a main body portion 1021 and a connecting portion 106 connected to the aluminum alloy blade 200, the main body portion 1021 has a smaller diameter than the connecting portion 106 of the aluminum alloy blade, and the connecting portion 106 of the aluminum alloy blade extends radially outward on the main body portion to form a stepped structure with the main body portion. The front end of the aluminum alloy blade 200 is fitted 204 into the connecting portion 106. The aluminum alloy blade 200 and the motor shell 102 are detachably connected or integrally connected, and in the technical scheme of the application, the motor shell 102 and the front end 204 of the aluminum alloy blade 200 are integrally connected through an injection molding process.
The housing also includes a metal shaft 404 and a permanent magnet ring disposed inside the motor housing, which also includes stator coils, bearings, etc. (not shown).
A connecting portion 216 is disposed at an end of the aluminum alloy blade 200 away from the motor housing 102, and the connecting portion 216 is connected to the silencing ring structure 104. The same mute ring structure 104 is integrally connected to the connecting portion 216 by an injection molding process. In the present application, the connecting portion 216 is an opening formed at the upper edge of the aluminum alloy blade 200, and the inside of the opening 216 is used for receiving a part of the injection-molded silencing ring structure 104.
It is obvious that the connecting portion 216 is not limited to the groove shown in the figure, and the connecting portion 216 may be a protruding rod, a protruding piece, a protruding hook, etc. protruding from the edge of the aluminum alloy blade 200 as would be apparent to one skilled in the art.
It should be noted that the number of the aluminum alloy blades can be adjusted according to the need, and is not limited to the number shown in the figures. The number of the aluminum alloy blades 200 can be flexibly adjusted by those skilled in the art according to the needs or experience.
Referring to the aluminum alloy blade structure shown in fig. 2, the width of the aluminum alloy blade 200 as a whole increases from the end 204 connected to the motor housing 102, forming a paddle-like structure, and forming an arc-shaped first bending structure 212 at the end away from the motor housing, and providing a second bending structure 214 outside the first bending structure 212, wherein the bending direction of the first bending structure 212 is opposite to that of the second bending structure 214.
With continued reference to fig. 2, the aluminum alloy blade 200 is provided with a connection hole 208 and a connection groove 210 at the connection with the motor housing 102, and the connection hole and the connection groove 210 are connected with the inside of the injection-molded motor housing 102. Above the connection hole is a small connection slot 206 and below it is a large connection slot 210. The injection molding material of the motor shell 102 can enter the connecting holes and the large connecting grooves 210 and the small connecting grooves 206 through filling in the injection molding process, and the injection molding material is kept in the connecting holes 208 and the connecting grooves 210 all the time after being solidified, so that the motor shell 102 and the aluminum alloy blade are stably connected.
The silent ring structure 104 is connected with the plurality of aluminum alloy blades 200 through integrated injection molding, the aluminum alloy blades 200 are more stable in rotation and do not vibrate under the connection of the silent ring structure 104, and the noise is reduced, and meanwhile, the bending deformation of the aluminum alloy blades 200 along with wind is reduced under the connection effect of the silent ring structure 104, so that the air outlet efficiency is improved.
Referring to the flowchart shown in fig. 3, the fan with the mute ring structure 104 is manufactured according to steps 302-308, it should be noted that the process does not strictly limit the sequence relationship between the steps, and those skilled in the art can adjust the manufacturing steps according to the requirements of the manufacturing process.
Referring to FIG. 8, in flow 302, an aluminum alloy sheet 802 is stamped to form an aluminum alloy blade 200. The aluminum alloy blade 200 is formed with a connecting portion 216 for connecting the silencing ring structure 104, and a connecting hole 208 and a connecting groove for connecting the motor housing 102 by appropriately setting the shape of the stamping die during the stamping process. The stamping process can be unmanned through an automatic stamping machine.
There is also connecting portion 806 between well aluminium alloy piece 802 and the blade that forms, is connected with aluminium alloy piece 802 in the form of inverted triangle, and the tip of connecting portion 806 is the tie point, and this tie point is weak with the direct connecting force of aluminium alloy blade, and it can let aluminium alloy piece and fashioned aluminium alloy blade 200 separate through modes such as buckling. A plurality of stamped holes 804 are also formed in the aluminum alloy sheet 802, and the stamped holes 804 are for ease of positioning by stamping equipment and subsequent automated tab insertion equipment.
Referring to fig. 5 and 8, in flow 304, the aluminum alloy blade 200 is placed in an aluminum alloy blade injection mold core 500. The stamping apparatus transfers the aluminum alloy blade 200 through the aluminum alloy sheet 802. The aluminum alloy blade 200 is transferred with the aluminum alloy sheet 802 to an input into a cam sheet inserting machine (not shown) which is provided with a positioning device which is inserted into a positioning hole 804 of the aluminum alloy sheet. The cam insert machine places the blade 200 in the core of the mold for the aluminum alloy blade 200 and the back piece aluminum alloy sheet 802 is separated from the aluminum alloy blade 200.
Referring to fig. 5 and 6, a schematic view of a mold structure is shown in which only a core structure 500 is shown. The mold core structure comprises a plurality of first clamping structures 116 which are annularly arranged and used for clamping the connecting part 204 of the blade and the motor shell, a plurality of second clamping structures 114 which are annularly arranged are arranged on the radial outer side of the first clamping structures 116, and the second clamping structures 114 are used for clamping one end, far away from the motor shell, of the aluminum alloy blade.
In a preferred embodiment, the first clamping structures 116 are arranged obliquely so that the clamping slots 118 formed by adjacent clamping structures are inclined at an angle, and the inclined clamping slots 118 can clamp the blade 200 more firmly.
The first clamping structure 114 and the second clamping structure 116 are independent metal rod-shaped structures, the first clamping structure 114 and the second clamping structure 116 are inserted into the mold core 500 from the back, and correspondingly, holes (not shown) for inserting the first clamping structure 114 or the second clamping structure 116 are arranged on the mold core.
The lengths of the first clamping structure 114 and the second clamping structure 116 in the mold core can be adjusted as required to adapt to aluminum alloy blades with different heights.
A motor housing forming male die 504 is disposed on the inner peripheral side of the plurality of first clamping structures 114, and the center of the motor housing forming male die 504 is an ejection structure. The male motor housing forming die 504 is generally cylindrical and spaced from the first clamp structure 116, and the upper end of the first clamp structure 116 is higher than the bottom of the mold core, thereby forming a groove channel 120 between the motor housing 102 and the first clamp structure 116. The groove flow channel 120 is used to form the aluminum alloy blade connection portion 106 on the motor case.
In fig. 4 and 5, the front end of the aluminum alloy blade 200 connected with the motor housing 102 is inserted into the gap 118 formed by the first clamping structure, and the end of the aluminum alloy blade 200 away from the motor housing 102 is inserted into the gap 110 formed by the second clamping structure 114.
Grooves are formed in the second clamping structures, and the grooves are arranged to form a silent ring injection molding runner 112; the silent ring connecting structure is arranged in the silent ring injection runner 112 when the aluminum alloy blade is placed in the injection mold. After the injection molding material is injected into the injection mold, the injection molding material flows into the silent ring flow passage 112, and is cooled to form the silent ring structure 104.
In the process 306, an injection molding material is injected into the injection mold core 500, so as to form the motor housing 102 for fixing the plurality of aluminum alloy blades 200 and the fan silencing ring structure 104 connected to the connecting portion 106. After the aluminum alloy blade is installed, the mold core is placed in a mold 700, a main body part of the mold core 500 is located in a lower mold 701 of the mold, and the mold 700 further comprises an upper mold (not shown in the figure). After the upper die and the lower die are closed, the injection molding machine injects the molten fluid raw material into the mold core 500. In order to obtain better injection molding effect, an injection molding runner is arranged in the upper die. The injection molding runner forms a plurality of openings, and the openings respectively guide the injection molding raw materials into corresponding positions in the mold core. The injection molding runner comprises a first junction 702, a second junction 710 and a third junction 712, the first junction 702 and the third junction are in a 712 star-shaped structure, the branch runner comprises a transverse runner 704 and a longitudinal runner 706 at the tail end of the transverse runner, and an opening 708 of the longitudinal runner corresponding to the transverse runner of the first junction 702 and the third junction 712 is above the silent ring injection molding runner 112. The raw materials in the longitudinal runners simultaneously flow into the silent ring injection molding runner 112, so that a more uniform injection molding effect can be obtained.
The second junction 710 is connected to the first junction 702 and the third junction 712 by a cross flow passage 716. The second junction 710 also includes a longitudinal runner 714 that connects with a longitudinal runner 716 above the motor casing forming punch. The injection molding material passes through the longitudinal flow passage 714 to above the motor housing punch and form the motor housing.
In flow 308, the fan is entirely ejected from the mold after cooling. After cooling, the mold is removed to form the fan 100 with the silent ring structure. Before the fan is taken out of the mold, the upper mold of the mold is opened to expose the mold core, the motor molding male mold ejection structure is ejected outwards, the motor shell on the motor shell molding mold is separated, and the first clamping structure and the second clamping structure are separated from the aluminum alloy blade. Automated handling equipment, such as automated handling robots, may also be included in the automated line to transfer the molded fan for mold reuse for the next fan fabrication.
Claims (10)
1. A fan with a silent ring structure is characterized by comprising a plurality of aluminum alloy blades and a plurality of silencing ring structures, wherein the aluminum alloy blades are used for connecting a motor shell with the plurality of aluminum alloy blades; one end of each aluminum alloy blade, which is far away from the motor shell, is provided with a connecting part, and the connecting part is connected with the mute ring; the motor shell and the mute ring are connected with the aluminum alloy blade in an injection molding integrated mode.
2. The fan with the silencing ring structure as recited in claim 1, wherein a connection hole and a connection groove are formed at a connection part of the aluminum alloy blade and the motor casing, and the connection hole and the connection groove are connected with the inside of the injection-molded motor casing.
3. The fan with the silencing ring structure as recited in claim 1, wherein the connecting portion includes an opening formed on an edge of the aluminum alloy blade, and the silencing ring is connected to the opening on the edge of the aluminum alloy blade by injection molding.
4. A manufacturing method of a fan with a mute ring structure is characterized by comprising the steps of stamping an aluminum alloy sheet to form an aluminum alloy blade, and forming a connecting part for connecting the mute ring on the aluminum alloy blade; placing the aluminum alloy blade in an aluminum alloy blade injection mold, and fixing the aluminum alloy blade by using a clamping structure for placing the aluminum alloy blade in the injection mold; injecting injection molding raw materials into the injection mold to form a motor shell for fixing the aluminum alloy blades and a fan mute ring connected with the connecting part; and cooling and then removing the mould to form the fan with the mute ring structure.
5. The method of claim 4, wherein the aluminum alloy blade is placed in an injection mold, and the method comprises: inputting a plurality of aluminum alloy blades formed by stamping into a cam sheet inserting machine, and inserting the plurality of aluminum alloy blades into a mold core of an injection mold by the cam sheet inserting machine.
6. The manufacturing method of the fan with the silencing ring structure as recited in claim 4, wherein the clamping structure of the aluminum alloy blade includes a plurality of first clamping structures arranged annularly for clamping the connection of the aluminum alloy blade and the motor casing, and a plurality of second clamping structures arranged annularly for clamping one end of the aluminum alloy blade away from the motor casing.
7. The method as claimed in claim 6, wherein a plurality of grooves are formed on the second holding structure, and the plurality of grooves are arranged to form a silent ring injection molding runner; when the aluminum alloy blade is placed in the injection mold, the connecting part is arranged in the injection runner of the silent ring; and injecting the injection molding raw material into an injection mold, then enabling the injection molding raw material to flow into the silent ring runner, and cooling to form a silent ring structure.
8. The method as claimed in claim 6 or 7, wherein the first holding structures are arranged obliquely.
9. The method according to claim 6 or 7, wherein the plurality of second clamping structures are provided on an outer peripheral side of the plurality of first clamping structures, a motor case molding punch is provided on an inner peripheral side of the plurality of first clamping structures, and a center of the motor case molding punch is an ejection structure.
10. The method of claim 9, wherein the step of cooling and removing the mold comprises cooling and then ejecting the ejector structure, separating the motor case from the motor case forming mold, and separating the first and second clamping structures from the aluminum alloy blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828232.1A CN111872353A (en) | 2020-08-17 | 2020-08-17 | Fan with silent ring structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010828232.1A CN111872353A (en) | 2020-08-17 | 2020-08-17 | Fan with silent ring structure and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111872353A true CN111872353A (en) | 2020-11-03 |
Family
ID=73202851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010828232.1A Pending CN111872353A (en) | 2020-08-17 | 2020-08-17 | Fan with silent ring structure and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111872353A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11939990B2 (en) | 2021-04-30 | 2024-03-26 | Coretronic Corporation | Fan structure |
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| CN103362859A (en) * | 2012-03-27 | 2013-10-23 | 富瑞精密组件（昆山）有限公司 | Fan blade structure and method for manufacturing same |
| KR20150020783A (en) * | 2013-08-19 | 2015-02-27 | 한라비스테온공조 주식회사 | Fan and fan shroud having the same |
| CN106032807A (en) * | 2015-03-20 | 2016-10-19 | 讯凯国际股份有限公司 | Fan impeller and manufacturing method thereof |
| CN207178293U (en) * | 2017-08-14 | 2018-04-03 | 嘉兴台大电器有限公司 | A kind of warmer low-noise strong blast volume fan |
| CN209569198U (en) * | 2018-11-16 | 2019-11-01 | 昆山广兴电子有限公司 | Fan wheel of fan |
| CN212329611U (en) * | 2020-08-17 | 2021-01-12 | 昆山本合昌电子科技有限公司 | Fan with silent ring structure |
-
2020
- 2020-08-17 CN CN202010828232.1A patent/CN111872353A/en active Pending
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| CN103362859A (en) * | 2012-03-27 | 2013-10-23 | 富瑞精密组件（昆山）有限公司 | Fan blade structure and method for manufacturing same |
| KR20150020783A (en) * | 2013-08-19 | 2015-02-27 | 한라비스테온공조 주식회사 | Fan and fan shroud having the same |
| CN106032807A (en) * | 2015-03-20 | 2016-10-19 | 讯凯国际股份有限公司 | Fan impeller and manufacturing method thereof |
| CN207178293U (en) * | 2017-08-14 | 2018-04-03 | 嘉兴台大电器有限公司 | A kind of warmer low-noise strong blast volume fan |
| CN209569198U (en) * | 2018-11-16 | 2019-11-01 | 昆山广兴电子有限公司 | Fan wheel of fan |
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| Title |
|---|
| 王乃坤编: "机电磁元件", 31 October 1986, 上海科学技术出版社, pages: 130 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11939990B2 (en) | 2021-04-30 | 2024-03-26 | Coretronic Corporation | Fan structure |
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