CN2365427Y - Balancing sheet type small radiating fan - Google Patents
Balancing sheet type small radiating fan Download PDFInfo
- Publication number
- CN2365427Y CN2365427Y CN 98248009 CN98248009U CN2365427Y CN 2365427 Y CN2365427 Y CN 2365427Y CN 98248009 CN98248009 CN 98248009 CN 98248009 U CN98248009 U CN 98248009U CN 2365427 Y CN2365427 Y CN 2365427Y
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- CN
- China
- Prior art keywords
- stator
- housing
- base
- circuit board
- balancing patch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Abstract
The utility model relates to a small-sized heat radiation fan, which comprises a shell, a circuit board, a balance plate, a stator and a rotor, wherein, the shell is provided with a containing chamber. The bottom of the containing chamber is provided with a pipe base, the circuit board is arranged in the containing chamber of the shell, the balance plate is arranged on the circuit board, and a shaft pipe is arranged on the stator and is sheathed in the pipe base of the shell. A shaft lever and a permanent magnet are arranged on the rotor, the shaft lever is penetrated in the pipe base of the shell and is fixed on one end of the shaft lever via a positioning element. Therefore, the swing in the rotation of the rotor can be eliminated, and meanwhile, the assembly of the balance plate is convenient.
Description
The utility model relates to a kind of small heat-dissipating fan.
At present, commonly use the small heat-dissipating fan, as No. 316733 " the ultra-thin fan structure of orientable air-supply " novel patent case of bulletin on September 3rd, 86, it is to be provided with the exhaust outlet that the holding space and that forms the vortex passage forms breach by pedestal, holding space is provided with the central siphon winding of base coil base, coil base is planted with axle for impeller with axis hole, coil base produces magnetic field with wire coil, to drive the impeller rotation, impeller has blade can drive wind to be sent by exhaust outlet, this substrate is by a cover plate combination, and cover plate has the intake grill less than the impeller diameter; It is characterized in that: pedestal is provided with several snapping holes, cover plate is provided with barb by relative position, can be buckled in the snapping hole of pedestal by barb, cover plate can be made things convenient for pedestal to be combined, the coil base that is disclosed by this new patent case drives the impeller rotation, its central siphon shortens relatively because this ultra-thin fan thickness is crossed thin, makes to hold single bearing in the central siphon, and then makes the impeller axle center bar generation deflection of rotating or rock in the coil base central siphon.
In view of this, the purpose of this utility model provides a kind of Equilibrated Chip Type Small-scale Heat-dissipating Fan, and it is a magnetic force of borrowing rotor permanent magnet and balancing patch, eliminates the effect of rocking that rotor rotation produced.
The purpose of this utility model is achieved in that a kind of Equilibrated Chip Type Small-scale Heat-dissipating Fan comprises a housing, a circuit board, a balancing patch, a stator and a rotor, its middle shell is provided with a room, this room bottom is provided with a base, circuit board is arranged in the room of housing, balancing patch is arranged on the circuit board, stator is provided with a central siphon and is nested with in the base of housing, rotor is provided with an axostylus axostyle and permanent magnet, this axostylus axostyle is located in the base of housing, and fixes with positioning element at this axostylus axostyle one end.
Described circuit board is provided with a fixed hole and is nested with base at housing; Described balanced type is provided with a fixed hole, and is nested with on the base of housing; Described balancing patch is provided with two breach of symmetry; Described circuit board and balancing patch drive fit are nested with on the base of housing, and the central siphon of described stator is a tight fit in housing in base; Described balancing patch is provided with locating slot and is nested with on the locating column of stator; The locating column end of described stator is provided with a hook portion; Described balancing patch is provided with positioning hole and is nested with on the locating column of stator; The locating column end of described stator is hot pressed into hook portion; Described balancing patch is provided with positioning hole and is nested with on the locating column of housing.
Owing to adopt such scheme: be provided with a balancing patch in heat radiation, what produce in the rotor rotation rocks elimination, and balancing patch assembling simultaneously is also easy.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model first embodiment's exploded view;
Fig. 2 is the utility model first embodiment's worm's eye view;
Fig. 3 is the 3-3 sectional view of the utility model first embodiment Fig. 2;
Fig. 2 is the utility model first embodiment's worm's eye view;
Fig. 3 is the 3-3 sectional view of the utility model first embodiment Fig. 2;
Fig. 4 is the A enlarged view of the utility model first embodiment Fig. 3.
Fig. 5 is the utility model second embodiment's exploded view;
Fig. 6 is the utility model second embodiment's worm's eye view;
Fig. 7 is the 7-7 sectional view of the utility model second embodiment Fig. 6;
Fig. 8 is the B enlarged view of the utility model second embodiment Fig. 7;
Fig. 9 is the utility model the 3rd embodiment's exploded view;
Figure 10 is the utility model the 3rd embodiment's worm's eye view;
Figure 11 is the 11-11 sectional view of the utility model the 3rd embodiment Figure 10;
Figure 12 is the utility model the 3rd embodiment's 11 a C enlarged view;
Figure 13 is the utility model the 4th embodiment's exploded view;
Figure 14 separates figure for the utility model the 4th embodiment faces upward;
Figure 15 is the 15-15 sectional view of the utility model the 4th embodiment Fig. 4;
Figure 16 is the D enlarged view of the utility model the 4th embodiment Figure 15.
：111. 111. 112. 113. 114. 115. 116. 120. 121. 130. 131. 132. 140. 141.150. 151. 152. 210. 211. 212. 213. 214. 215. 216. 217. 220. 221. 222. 230 231. 232. 233. 240. 241. 242. 243.250. 251. 252. 310. 311. 312. 313. 314. 315. 316. 317. 320. 321. 322. 330. 331. 332. 333. 340. 341. 342. 343.350. 351. 352. 410. 411. 412. 413. 414. 415. 416. 417. 420. 421. 422. 430. 431. 432. 433. 440. 441. 442. 450.451. 452.。
As shown in Figure 1, first embodiment mainly comprises a housing 110, a circuit board 120, a balancing patch 130, a stator 140, a rotor 150 and a cover plate 115.
Shown in Fig. 2-4, housing 110 is to adopt good thermal conductive material to make, and it comprises a room 111, and these room 111 bottoms are provided with a base 112, and being provided with an exhaust outlet 113 in the one side, circuit board 120 is provided with a fixed hole 121 and is nested with base 112 at room 111.Balancing patch 130 is to adopt to have by the magnetic force sorbing material to make, this balancing patch 130 also is provided with two breach 132, wherein but the electronic component (hall sensor) of a breach 132 power circuit boards 120 is inserted, 141 of the central siphons of stator 140 place in the base 112 of this room 111, in the axostylus axostyle 152 of rotor 150 is located in the base 112 of the central siphon 141 of stator 140 and this room 111, and axostylus axostyle 152 1 ends of rotor 150 are fixed on base 112 the other ends of this room 111 with a fixed element 114, at this moment, the permanent magnet 151 of these rotor 150 peripheries produces suction with balancing patch 130, because balancing patch 130 is provided with the shape that is symmetry shape, therefore, make the permanent magnet 151 of rotor 150 peripheries produce balance suction with balancing patch 130, this suction can make rotor 150 stable being rotated on the stator 140, cover plate 115 is provided with a wind inlet 116, and be combined in housing 110, rotor 150 can suck this wind inlet 116 in the ambient air, and with exhaust outlet 113 discharges of inner housing again of the heat in the housing 110, heat radiation function is reached in its convection current with air.
Shown in Fig. 1-4, the structure of rotor 150 is because mass distribution can not be fully symmetrically, and make its center of mass not on the axle center of its sample 152, therefore, when rotor 150 was rotated on the stator 140, the center of mass of this rotor 150 must rotate around the axle center of axostylus axostyle 152, because rotor 150 is fixing on stator 140 with single bearing, therefore, rotor 150 can produce when rotating and rock, and single bearing can't be eliminated and rocks.Present embodiment is with the permanent magnet 151 generation balance suction of a balancing patch 130 with rotor 150 peripheries, and this suction can make rotor 150 stable being rotated on the stator 140, and it has elimination and rotates the effect of rocking that is produced.
As shown in Figure 5, second embodiment mainly comprises a housing 210, one circuit boards 220, one balancing patch 230, one stators, 240, one rotors 250 and cover plates 216.
Shown in Fig. 6-8, housing 210 comprises a room 211, these room 211 bottoms are provided with a base 212 and symmetry shape two recesses 213, and be provided with an exhaust outlet 214 in the one side, circuit board 220 is provided with a fixed hole 221 and this fixed hole 221 peripheries are provided with two locating slots 222, when the fixed hole 221 of circuit board 220 is nested with base 212 at room 211, two locating slots 222 of this circuit board 220 are corresponding to two recesses 213 of room 211, and balancing patch 230 also is provided with a fixed hole 231 and this fixed hole 231 peripheries are provided with two locating slots 233, when the fixed hole 231 of balancing patch 230 is nested with base 212 at room 211, two locating slots 233 of this balancing patch 230 are corresponding to two recesses 213 of room 211, this balancing patch 230 is provided with two breach 232 in addition, but this wherein the electronic component (hall sensor) of a breach 232 power circuit boards 220 insert, two recesses, 213 places that central siphon 243 peripheries of stator 240 correspond to room 211 are provided with two locating columns 241, these two locating columns, 241 ends then are respectively equipped with a hook portion 242, when the central siphon 243 of stator 240 places in the base 212 of this room 211, two locating columns 241 are located in the locating slot 222 of circuit board 220 and the locating slot 233 of balancing patch 230 respectively, the hook portion 242 of locating column 241 then grab in locating slot 222 feather edges of circuit board 220, in the axostylus axostyle 252 of rotor 250 is located in the base 212 of the central siphon 241 of stator 240 and this room 211, and axostylus axostyle 252 1 ends of rotor 250 are fixed on base 212 the other ends of this room 211 with a fixed element 215, at this moment, the permanent magnet 251 of these rotor 250 peripheries produces suction with balancing patch 230, this suction can make rotor 250 stable rotating on the stator 240, and cover plate 216 is provided with a wind inlet 217 and is incorporated into housing 210.
The hook portion 242 of second embodiment's stator 240 set two locating columns, 241 ends, circuit board 220 and balancing patch 230 are incorporated on the stator 240 and do not come off, have effect easy to assembly and circuit board 220, balancing patch 230, stator 240 and rotor 250 relative positionings.
As shown in Figure 9, the 3rd embodiment mainly comprises a housing 310, circuit board 320, a balancing patch 330, a stator 340, a rotor 350 and a cover plate 316.
Shown in Figure 10-12, housing 310 comprises a room 311, these room 311 bottoms are provided with a base 312 and symmetry shape two recesses 313, and be provided with an exhaust outlet 314 in the one side, circuit board 320 is provided with a fixed hole 321 and this fixed hole 321 peripheries are provided with two positioning holes 322, when the fixed hole 321 of circuit board 320 is nested with base 312 at room 311, two positioning holes, 322 correspondences of this circuit board 320 are at two recesses 313 of room 311, and balancing patch 330 also is provided with a fixed hole 331 and this fixed hole 331 peripheries are provided with two positioning holes 333, when the fixed hole 331 of balancing patch 330 is nested with base 312 at room 311, two positioning holes 333 of this balancing patch 330 are corresponding to two recesses 313 of room 311, this balancing patch 330 is provided with two breach 332 in addition, wherein but the electronic component (hall sensor) of a breach 332 power circuit boards 320 is inserted, two recesses, 313 places that central siphon 342 peripheries of stator 340 correspond to room 311 are provided with two locating columns 341, when the central siphon 342 of stator 340 places in the base 312 of room 311, two locating columns 341 are located in the positioning hole 322 of circuit board 320 and the positioning hole 333 of balancing patch 330 respectively, again locating column 341 ends are hot pressed into hook portion 343, and be fastened on positioning hole 322 peripheries of circuit board 320, in the axostylus axostyle 352 of rotor 350 is located in the base 312 of the central siphon 342 of stator 340 and this room 311, and axostylus axostyle 352 1 ends of rotor 350 are fixed on base 312 the other ends of this room 311 with a fixed element 315, at this moment, the permanent magnet 351 of these rotor 350 peripheries produces suction with balancing patch 330, this suction can make rotor 350 stable being rotated on the stator 340, and cover plate 316 is provided with a wind inlet 317 and is combined in housing 310.
The hook portion 343 of the 3rd embodiment's stator 340 set two locating columns, 341 ends, circuit board 320 and balancing patch 330 are incorporated on the stator 340 and do not come off, have easy to assembly and make circuit board 320, balancing patch 330, stator 340 and rotor 350 relatively-stationary effects.
As shown in figure 13, the 4th embodiment mainly comprises a housing 410, a circuit board 420, a balancing patch 430, a stator 440, a rotor 450 and a cover plate 416.
Shown in Figure 14-16, housing 410 comprises a room 411, these room 411 bottoms are provided with a base 412 and symmetry shape two locating columns 413, and be provided with an exhaust outlet 414 in the one side, circuit board 420 is provided with a fixed hole 421 and this fixed hole 421 peripheries are provided with two positioning holes 422, when the fixed hole 421 of circuit board 420 is nested with base 412 at capacity 411, the fixed hole 421 of this circuit board 420 is nested with when the base 412 of room 411, two positioning holes 422 of this circuit board 420 are corresponding to two locating columns 413 of room 411, and balancing patch 430 also is provided with a fixed hole 413 and this fixed hole 431 peripheries are provided with two positioning holes 433, when the fixed hole 431 of balancing patch 430 is nested with base 412 at room 411, two positioning holes 433 of this balancing patch 430 are corresponding to two locating columns 413 of room 411, this balancing patch 430 is provided with two breach 432 in addition, wherein but the electronic component (hall sensor) of a breach 432 power circuit boards 420 is inserted, two locating columns, 413 places that central siphon 442 peripheries of stator 440 correspond to room 411 are provided with two positioning holes 441, when the central siphon 442 of stator 440 places in the base 412 of this room 411, two locating columns 413 of room 411 are located in the positioning hole 422 of circuit board 420 respectively, the positioning hole 433 of balancing patch 430 and the positioning hole 441 of stator 440, the axostylus axostyle 452 of rotor 450 is located in the base 412 of the central siphon 442 of stator 440 and room 441, and axostylus axostyle 452 1 ends of rotor 450 are fixed on base 412 the other ends of room 411 with a fixed element 415, at this moment, the permanent magnet 451 of rotor 450 peripheries produces suction with balancing patch 430, this suction can make rotor 450 stable being rotated on the stator 440, and cover plate 416 is provided with a wind inlet 417 and is combined in housing 410.
The 4th embodiment's housing 410 set two locating columns 413 are combined in circuit board 420, balancing patch 430 and stator 440 in the room 411 of housing 410, have easy to assembly and make circuit board 420, balancing patch 430, stator 440, rotor 450 and housing 410 relatively-stationary effects.
Balancing patch 130 is placed on the base 112 of housing 110 in the fit mode, or balancing patch 230 is provided with the locating column 241 that locating slot 233 is placed on stator 240, or balancing patch 330 is provided with the locating column 341 that positioning hole 333 is placed on stator 340, or balancing patch 430 is provided with the modes such as locating column 413 that positioning hole 433 is placed on housing 410 and assembles, and has easy to assembly and makes the relatively-stationary effect of each element.
Claims (10)
1, a kind of Equilibrated Chip Type Small-scale Heat-dissipating Fan, comprise a circuit board, a housing, a stator and a rotor is characterized in that: it also comprises a balancing patch, its middle shell is provided with a room, this room bottom is provided with a base, and circuit board is arranged in the room of housing, and balancing patch is arranged on the circuit board, stator is provided with a central siphon and is nested with in the base of housing, rotor is provided with an axostylus axostyle and permanent magnet, and this axostylus axostyle is located in the base of housing, and fixes with positioning element at this axostylus axostyle one end.
2, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described circuit board is provided with a fixed hole and is nested with base at housing.
3, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described balanced type is provided with a fixed hole, and is nested with on the base of housing.
4, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described balancing patch is provided with two breach of symmetry.
5, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described circuit board and balancing patch drive fit are nested with on the base of housing, and the central siphon of described stator is a tight fit in housing in base.
6, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described balancing patch is provided with locating slot and is nested with on the locating column of stator.
7, by the described balanced type sheet of claim 6 small heat-dissipating fan, it is characterized in that; The locating column end of described stator is provided with a hook portion.
8, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described balancing patch is provided with positioning hole and is nested with on the locating column of stator.
9, by the described balanced type sheet of claim 8 small heat-dissipating fan, it is characterized in that: the locating column end of described stator is hot pressed into hook portion.
10, by the described balanced type sheet of claim 1 small heat-dissipating fan, it is characterized in that: described balancing patch is provided with positioning hole and is nested with on the locating column of housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98248009 CN2365427Y (en) | 1998-10-29 | 1998-10-29 | Balancing sheet type small radiating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98248009 CN2365427Y (en) | 1998-10-29 | 1998-10-29 | Balancing sheet type small radiating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2365427Y true CN2365427Y (en) | 2000-02-23 |
Family
ID=33993111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98248009 Ceased CN2365427Y (en) | 1998-10-29 | 1998-10-29 | Balancing sheet type small radiating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2365427Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100432447C (en) * | 2005-12-20 | 2008-11-12 | 建准电机工业股份有限公司 | Super thin fan |
| CN101008405B (en) * | 2006-01-25 | 2010-08-11 | 建准电机工业股份有限公司 | Heat radiation fan |
-
1998
- 1998-10-29 CN CN 98248009 patent/CN2365427Y/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100432447C (en) * | 2005-12-20 | 2008-11-12 | 建准电机工业股份有限公司 | Super thin fan |
| CN101008405B (en) * | 2006-01-25 | 2010-08-11 | 建准电机工业股份有限公司 | Heat radiation fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract fulfillment period: In October 29, 2008, the patent expired Contract record no.: 031000030070 Denomination of utility model: Balance type small radiating fan Granted publication date: 20000223 License type: General permission Record date: 2003.5.27 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.29, EXPIRATION OF PATENT RIGHT Name of requester: KUNSHAN GUANGXING ELECTRONICS CO., LTD. Effective date: 20030527 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract fulfillment period: October 29, 2008 Contract record no.: 031000030070 Denomination of utility model: Balance type small radiating fan Granted publication date: 20000223 License type: General permission Record date: 20030527 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.29 Name of requester: KUNSHAN GUANGXING ELECTRONICS CO., LTD. Effective date: 20030527 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20091128 Decision number of declaring invalidation: 14163 Granted publication date: 20000223 |