CN102444596A - Blower fan and manufacturing method thereof - Google Patents
Blower fan and manufacturing method thereof Download PDFInfo
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- CN102444596A CN102444596A CN2011102938925A CN201110293892A CN102444596A CN 102444596 A CN102444596 A CN 102444596A CN 2011102938925 A CN2011102938925 A CN 2011102938925A CN 201110293892 A CN201110293892 A CN 201110293892A CN 102444596 A CN102444596 A CN 102444596A
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- circuit substrate
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- iron core
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Abstract
The present invention provides a blower fan and a manufacturing method thereof. The invention aims to provide the fan which can use a simple structure for efficiently fix a small-size circuit substrate in high accuracy. End pins which are electrically connected with a winding are held on an insulating member which covers at least one part of a stator core and is made of insulating component. A plurality of end pins are configured between adjacent teeth. The insulating member is provided with the following components: a circuit substrate position limiting part which abuts against a side surface of the circuit substrate and extends to an axial lower side, and a circuit substrate abutting part which abuts against an upper surface of the circuit substrate.
Description
Technical field
The present invention relates to the electrodynamic type fan that is used to blow.
Background technique
In so-called fan in the past, for example in TOHKEMY 2000-209809 communique, circuit substrate is arranged under the motor there not to be mode to the influence of wind-tunnel, is to have the annular shape of central hole to be disposed at bearing holding part periphery.On this circuit substrate,, on each tooth, disperse to be provided with 3 terminal pins in order to realize the conducting of winding and circuit substrate.In addition, there is following method: under the less situation of the electronic unit that carries, circuit substrate is made as circular shape from the past annular shape.For example in No. 2844712 communique of Japan Patent, disclose and formed circular-arc circuit substrate.Utilize the projection and the terminal pins of insulator lower end to keep this circuit substrate.In addition, for example in japanese kokai publication hei 09-222093 communique, terminal pins is arranged on the circuit substrate unevenly.And circuit substrate makes circuit substrate lower surface and insulator lower end butt, and is fixed by terminal pins.
But, under the situation of the fan that does not need complicated control, constituted control circuit with a spot of electronic unit.At this moment, when adopting the such bigger circuit substrate of annular shape, on this circuit substrate, may produce the wasted space that does not have configuration circuit pattern and electronic unit.
In addition, the production method of general circuit substrate does, each pattern of printing downcuts circuit substrate from lamellar mother substrate afterwards on laminal mother substrate, with the annular shape that becomes above-mentioned that kind or the mode of circular shape.When utilizing this method, exist as inferior problem: there is restriction in the quantity of the circuit substrate that can obtain from 1 lamellar mother substrate, a lot of remaining substrates that will give up after downcutting required circuit substrate from mother substrate, occur.
Therefore, want to downcut more circuit substrate, and reduce as far as possible and give up substrate from lamellar mother substrate.In order to satisfy this requirement, need reduce the size of circuit substrate.
But in the fan that has adopted circuit substrate in the past, there is boundary in the miniaturization of circuit substrate.Why like this, be because as described abovely on each tooth, disperse to be provided with terminal pins, therefore need be at the allocation position place of terminal pins the configuration circuit substrate.
And when making the circuit substrate miniaturization when the configuration position of compiling terminal pins, the operation property when with soldering etc. terminal pins and circuit substrate being electrically connected is relatively poor.Even in position and inclination with respect to insulator holding circuit substrate, circuit substrate and terminal pins are carried out soldering, because circuit substrate is small-sized, so position and inclination instability, thereby the operation property reduction of worry soldering.
In addition, in being equipped on the electronic unit of circuit substrate, there is the position detecting element of the position probing of carrying out rotor.In carrying out the position detecting electronic parts, the position relation between rotor magnet and stator iron core and the position detecting element is the important elements to rotation detects and rotary speed precision exerts an influence.Therefore, need highi degree of accuracy to guarantee to carry the circuit substrate and the relation of the position between the stator iron core of electronic unit.
Summary of the invention
Therefore, the object of the present invention is to provide and a kind ofly can utilize efficiently and the accurately fixing fan of miniature circuit substrate of simple structure.
Fan in one aspect of the present invention is a kind of DYN dynamic fan, it is characterized in that having: stator department; Rotor part, it is that the center is rotated with the central shaft; Gear mechanism, it is supported for said rotor part can be with respect to said stator department rotation; And blade, it is held in said rotor part, said stator department has: stator iron core, the magnet of itself and said rotor part is opposed, and and said magnet between produce torque; Insulator, it is formed by insulating element, covers at least a portion of said stator iron core; Terminal pins, it is held in said insulator, is connected with winding electric; And circuit substrate, it is tabular with said central shaft approximate vertical, is maintained at a side of the said central axis direction of said stator iron core, and is electrically connected with said terminal pins, said stator iron core has the core back of ring-type; And a plurality of teeth; They radially extend from the core back; And have along circumferential spaced front end; Said terminal pins disposes a plurality of between adjacent tooth, said insulator be provided with the side butt of said circuit substrate and towards circuit substrate position limit portion that axial downside extends and with the circuit substrate abutting part of the upper surface butt of said circuit substrate.
According to the present invention, the efficiently and accurately fixing fan of miniature circuit substrate of a kind of simple structure capable of using can be provided.
Description of drawings
Fig. 1 is the longitudinal section that the axial fan of the 1st mode of execution of the present invention is shown.
Fig. 2 is the worm's eye view of stator iron core and lower isolator.
Fig. 3 is the stereogram of stator iron core and last lower insulator.
Fig. 4 is the side view of stator iron core and last lower insulator.
Fig. 5 is the worm's eye view of circuit substrate.
Fig. 6 is the worm's eye view of stator iron core, circuit substrate and lower isolator.
Fig. 7 is stator iron core, the side view of going up lower insulator and circuit substrate.
Fig. 8 is the worm's eye view of stator iron core, circuit substrate and the lower isolator of the 2nd mode of execution of the present invention.
Fig. 9 is the stator iron core of the 3rd mode of execution of the present invention, the stereogram of last lower insulator.
Figure 10 is the worm's eye view of stator iron core, circuit substrate and the lower isolator of the 4th mode of execution of the present invention.
Embodiment
Fig. 1 is the longitudinal section that the axial fan 100 of the 1st mode of execution of the present invention is shown.Axial fan 100 has electrodynamic type motor 3, is fixed in a plurality of blades 2 of the rotor part 31 of motor, surrounds shell 4 and a plurality of connected elements 5 that support motor 3 of the periphery of motor 3.Shell 4 is connected with motor 3 through connected element 5.Shell 4 utilizes the molding and forming of resin and forms parts with connected element 5.In addition, in Fig. 1,, about central shaft J1, show the summary shape of blade 2 and connected element 5 in order to illustrate conveniently.
Sleeve 331 is to be the roughly cylindric of center with central shaft J1, in the outside of sleeve 331, is provided with the outer side surface of cover sleeve 331 and the retainer 332 roughly cylindraceous that the end is arranged of bottom, and in sleeve 331, inserts the axle 314 of rotor part 31.In sleeve 331, be soaked with lubricant oil, lubricant oil remained in the sleeve 331 through retainer 332.
Fig. 2 is the worm's eye view of stator iron core 323 and lower isolator 325.Fig. 3 be stator iron core 323 and last lower insulator 324,325 from the observed stereogram of downside.Fig. 4 is the side view of stator iron core 323 and last lower insulator 324,325.As shown in Figure 2, stator iron core 323 has the core back 3231 of ring-type; And four teeth 3232 of T word shape, they are that extend towards radial outside at the center from the periphery at core back 3231 with central shaft J1, and spaced front end 3233 is expanded towards circumferential both sides in the outside.Like Fig. 2, Fig. 3 and shown in Figure 4, upper surface and the lower surface and the side except that front end 3233 of the upper surface at the core back 3231 of the ring-type of last lower insulator 324,325 lining stator iron cores 323 and the outer circumferential side of lower surface and side, tooth 3232.It is the center ring-type core back correspondence portion 3251 that is provided with and four tooth correspondence portions 3252 that cover tooth 3232 that lower isolator 325 has with central shaft J1.
As shown in Figures 2 and 3, lower isolator 325 is provided with towards circuit substrate position limit portion 3253, circuit substrate abutting part 3257 and the terminal pins holding part 3259 of axially downside extension.Correspondence portion 3251 places have radial position limitation part 3254 at the core back in circuit substrate position limit portion 3253, have circumferential position limitation part 3255 in the front end of tooth correspondence portion 3252.Circuit substrate abutting part 3257 is provided with 63 positions totals, lays respectively at the periphery of terminal pins holding part 3259.Correspondence portion 3251 places are provided with 1 to terminal pins holding part 3259 at the core back, are provided with 2 at the front end from the adjacent tooth correspondence portion 3252 of these core back correspondence portion 3251 extensions.Per respectively two in the circumferential both sides of terminal pins holding part 3259 of circuit substrate abutting parts 3257 form as one.The side butt of radial position limitation part 3254 and circuit substrate 322 limits the radial position of circuit substrate 322.The side butt of circumferential position limitation part 3255 and circuit substrate 322 limits the circumferential position of circuit substrate 322.Terminal pins holding part 3259 has the function that keeps terminal pins 327.Terminal pins holding part 3259 is positioned at radial outside setting than radial position limitation part 3254.
The terminal pins holding part 3259 and circuit substrate abutting part 3257 one of the front end of the tooth correspondence portion 3252 at 3255,1 position of circumferential position limitation part are provided with.In addition, circuit substrate abutting part 3257 is given prominence to towards axial downside from the face of the axial downside of terminal pins holding part 3259 and is formed.That is, the face of the axial downside of circuit substrate abutting part 3257, form with different height with the face (terminal pins maintenance face) of the axial downside of terminal pins holding part 3259.That is, as shown in Figure 4, the lower surface of circuit substrate abutting part 3257 is formed at axial downside than the lower surface of terminal pins holding part 3259.Through being made as this structure, circuit substrate of stating after making 322 and circuit substrate abutting part 3257 be butt in the axial direction.When terminal pins 327 is soldered to circuit substrate 322, be incorporated in towards the position that coil 326 extends from the copper cash that is wound up into terminal pins 327 between the lower surface of lower surface and terminal pins holding part 3259 of circuit substrate abutting part 3257.Therefore, can prevent the edge of copper cash contact circuit substrate 322 and the broken string that produces.In addition, as shown in Figure 4, the lower surface of circuit substrate position limit portion 3253 further is positioned at axial downside than the lower surface of circuit substrate abutting part 3257.Through being made as this structure; When above-mentioned terminal pins 327 is soldered to circuit substrate 322; Can make circuit substrate abutting part 3257 have function, and circuit substrate position limit portion 3253 is had with respect to the radial location of the lower isolator 325 of circuit substrate 322 and circumferential locating function with respect to the axially locating of the lower isolator 325 of circuit substrate 322.
In addition, like Fig. 1 and shown in Figure 6, be provided with position detecting element 3221 at circuit substrate 322.Position detecting element 3221 be arranged to rotor magnet 313 and stator iron core 323 radially between and adjacent tooth front end 3233 circumferentially between.Position detecting element 3221 need be arranged at aforementioned location accurately, so circuit substrate 322 need extend to the zone of radial outside, up to the position of configurable position detecting element 3221.
Then, the production method to the axial fan in this mode of execution shown in Figure 1 100 describes.At first, on stator iron core 323, assemble top insulator 324 and terminal pins 327 be pressed into the lower isolator 325 (insulator assembly process) that remains to terminal pins holding part 3259 from above-below direction respectively.Then, across top insulator 324 and lower isolator 325 coiling coil 326 on stator iron core 323, and the end of coil 326 is strapped to (winding coiling operation) on the terminal pins 327.Then, be purpose with terminal pins 327 with conducting of coil 326, carry out soldering (preparation soldering operation) at the position that copper cash is arranged of tying of terminal pins 327.Then, in circuit substrate 322, run through and insert terminal pins 327, and circuit substrate 322 is electrically connected with terminal pins 327, with respect to terminal pins 327 permanent circuit substrates 322.
With the fixed operation that circuit substrate 322 is described in further detail.At first, lower isolator 325 is configured to compare stator iron core 323 and is presented axially in opposition side.Then, run through respectively in the terminal pins at 3 positions that are formed at circuit substrate 322 and insert terminal pins 327 (terminal pins run through insert operation) with hole 3222.At this moment, terminal pins is bigger than the Extreme breadth in the cross section of the terminal pins 327 vertical with central shaft J1 with the inner peripheral surface width in hole 3222.That is, terminal pins 327 has play with hole 3222 with respect to terminal pins on the Vertical direction of central shaft J1.Then, make the upper surface and circuit substrate abutting part 3257 butts of circuit substrate 322.Then, make circuit substrate 322 slide with circuit substrate position limit portion 3253 butts.At this moment, through side and radial position limitation part 3254 and circumferential position limitation part 3255 both butts that make circuit substrate 322, confirm the position (circuit substrate positioning process) of circuit substrate 322 with respect to stator iron core 323.And, behind the position that has determined circuit substrate 322, carry out the soldering (circuit substrate connection operation) of terminal pins 327 on circuit substrate 322, make circuit substrate be fixed in lower isolator 325.Through making in this way, the operation property of permanent circuit substrate, and raising accurately.
In addition, the order of terminal pins insertion operation and circuit substrate positioning process can be opposite.Through before terminal pins is inserted operation, carrying out the circuit substrate positioning process, can make the terminal pins of circuit substrate 322 consistent on the in-plane of circuit substrate 322 with terminal pins 327 with hole 3222.Thus, can terminal pins 327 successfully be run through and be inserted into terminal pins with in the hole 3222.Therefore, the lower end that need compare radial position limitation part 3254 and circumferential position limitation part 3255, the lower end of terminal pins 327 is positioned at the top.
Can be through side and circuit substrate position limit portion 3253 butts that make circuit substrate 322; Confirm the position of circuit substrate 322, carry the position detecting element 3221 that places circuit substrate 322 accurate location at the in-plane vertical with central shaft J1 with respect to rotor magnet 313 with respect to stator iron core 323.More specifically; Side through making circuit substrate 322 and radial position limitation part 3254 and circumferential position limitation part 3255 both butts are fixed; Position detecting element 3221 be configured in rotor magnet 313 and stator iron core 323 radially between, and adjacent tooth front end 3233 circumferentially between.Side and upper surface through making circuit substrate 322 abut to circuit substrate position limit portion 3253 and circuit substrate abutting part 3257 respectively; Can prevent circuit substrate 322 in the inclination of the positional deviation of the in-plane vertical and circuit substrate 322 with respect to central shaft J1 with central shaft J1, can be with correct position and inclination with respect to circuit substrate 322 soldering terminal pins 327.The face that contacts with circuit substrate 322 of circuit substrate position limit portion 3253 and the outer side surface of circuit substrate 322 form almost parallel.Through parallel formation, confirm the direction that contacts of circuit substrate 322 and circuit substrate position limit portion 3253, on the plane vertical, confirm the inclination of circuit substrate 322 with respect to circuit substrate position limit portion 3253 with central shaft J1.
Fig. 8 is the worm's eye view of stator iron core 323, circuit substrate 322 and the lower isolator 325a of the axial fan of the 2nd mode of execution of the present invention, shows a part of profile of stator iron core 323, lower isolator 325a and position detecting element 3221 with double dot dash line.At 3251 places, core back of lower isolator 325a, in circuit substrate abutting part 3257 sides of radial position limitation part 3254, be formed with ladder surface 3258 with radial position limitation part 3254 along core back 3251.Other structures except ladder surface 3258 among the lower isolator 325a are identical with the lower isolator of in the 1st mode of execution, explaining 325.
The lower end surface that ladder surface 3258 is compared radial position limitation part 3254 is arranged at axial upside, is identical axial height with circuit substrate abutting part 3257, and has the function that makes the circuit substrate butt.Therefore, when holding circuit substrate 322, the upper surface of circuit substrate 322 with circuit substrate abutting part 3257 butts in also with ladder surface 3258 butts.Here, when carrying out the soldering operation so that circuit substrate 322 stable manner are when supporting, with terminal pins 327 solderings to circuit substrate 322.At this moment, through keeping position (periphery of radial position limitation part 3254 and circumferential position limitation part 3255), stablize holding circuit substrate 322 with respect to lower isolator 325 near the gabarit of circuit substrate 322.
Fig. 9 is stator iron core 323 and the stereogram of last lower insulator 324,325b that the axial fan of the 3rd mode of execution of the present invention is shown.The radial position limitation part 3254b of lower isolator 325b has the projection 3256 of extending towards radial outside in the underpart.Other structures except radial position limitation part 3254b of lower isolator 325b are identical with the lower isolator of in the 1st mode of execution, explaining 325.
As shown in Figure 9, through being provided with projection 3256, the upper surface of the enough projections 3256 of ability is pushed the lower surface of circuit substrate 322.Utilize this projection 3256 and circuit substrate abutting part 3257, can when carrying out the soldering operation, be limited in the operator when lower isolator 325b side has been pushed the radial outside zone of circuit substrate 322, produce the inclination of circuit substrate 322 with respect to central shaft J1.Therefore, the operator can stablize the soldering operation of carrying out terminal pins 327 and circuit substrate 322.In addition, with projection 3256 ladder surface 3258 (open in the 2nd mode of execution) is set on radial position limitation part 3254b, the permanent circuit substrate 322 more reliably.In addition, the thickness of the lower surface of the upper surface of projection 3256 and circuit substrate abutting part 3257 gap size and circuit substrate 322 in the axial direction about equally.Thus, can reduce circuit substrate 322 with respect to central shaft J1 play in an inclined direction.
Figure 10 is the worm's eye view of stator iron core 323, circuit substrate 322 and the lower isolator 325c of the 4th mode of execution of the present invention.Show a part of profile of stator iron core 323 and lower isolator 325c with double dot dash line.With the terminal pins holding part 3259 of connecting core back correspondence portion 3251 and the line segment L of central shaft J1 is benchmark, and the position with radial position limitation part 3254 substantial line symmetry of lower isolator 325c is provided with radial position limitation part 3254c.Say that exactly the profile of combined circuit substrate 322d disposes, therefore in this mode of execution, in Figure 10, radial position limitation part 3254c compares radial position limitation part 3254 and is positioned at upside.Radial position limitation part 3254,3254c are respectively formed in the core back correspondence portion 3251.In addition, be benchmark with line segment L, the position with circumferential position limitation part 3255 substantial line symmetry of lower isolator 325c is provided with circumferential position limitation part 3255c.Say that exactly the profile of combined circuit substrate 322d disposes, therefore in this mode of execution, in Figure 10, circumferential position limitation part 3255c compares circumferential position limitation part 3255 and is positioned at upside.Circumferential position limitation part 3255,3255c are respectively formed in the tooth correspondence portion 3252.Lower isolator 325c except radial position limitation part 3254c identical with other structures the circumferential position limitation part 3255c with the lower isolator of in the 1st mode of execution, explaining 325.
Shown in figure 10, terminal pins holding part 3259 is between two circumferential position limitation part 3255,3255c.In addition, terminal pins holding part 3259 is compared radial position limitation part 3254,3254c is positioned at radial outside.And lower isolator 325 usefulness circuit substrate position limit portions 3253 have limited three directions of the side of circuit substrate 322.Therefore, circuit substrate 322 can be through slide inserting from radial outside, and with each circuit substrate position limit portion 3253 butt, thereby reliably determine the position.
More than, describe the present invention according to preferred implementation, but such record is not to limit item, can carry out various changes certainly.For example, in the above-described embodiment, use axial fan to be illustrated, but also can use centrifugal cutter.In addition, in the above-described embodiment, used sleeve bearing, but also can use ball bearing as gear mechanism.In addition, show the projection 3256 shown in the 3rd mode of execution and extend towards radial outside from radial position limitation part 3254b, but also can be from circumferential position limitation part 3255 along extending circumferentially.About circuit substrate abutting part, radial position limitation part, circumferential position limitation part, terminal pins holding part, be not limited to said structure, can the combined circuit substrate shape suitable change configuration relation separately etc.
Claims (17)
1. DYN dynamic fan, wherein, this DYN dynamic fan has:
Stator department;
Rotor part, it is that the center is rotated with the central shaft;
Gear mechanism, it is supported for said rotor part can be with respect to said stator department rotation; And
Blade, it is held in said rotor part,
Said stator department has:
Stator iron core, the magnet of itself and said rotor part is opposed, and and said magnet between produce torque;
Insulator, it is formed by insulating element, covers at least a portion of said stator iron core;
Terminal pins, it is held in said insulator, is connected with winding electric; And
Circuit substrate, it is tabular with said central shaft approximate vertical, is maintained at a side of the said central axis direction of said stator iron core, and is electrically connected with said terminal pins,
Said stator iron core has: the core back of ring-type; And a plurality of teeth, these a plurality of teeth radially extend from the core back, and have along circumferential spaced front end,
Said terminal pins disposes a plurality of between adjacent tooth,
On said insulator, be provided with the side butt of said circuit substrate and towards circuit substrate position limit portion that axial downside extends and with the circuit substrate abutting part of the upper surface butt of said circuit substrate.
2. fan according to claim 1, wherein,
Said circuit substrate position limit portion has the radial position limitation part at least, and this radial position limitation part is arranged at core back correspondence portion, and through limiting radial position with the circuit substrate butt.
3. fan according to claim 2, wherein,
Said insulator has the terminal pins holding part that keeps said terminal pins,
This terminal pins holding part is compared said radial position restriction site in radial outside.
4. fan according to claim 3, wherein,
Said circuit substrate abutting part is positioned at the periphery of said terminal pins holding part,
The lower surface of said circuit substrate abutting part is positioned at axial downside with respect to the terminal pins maintenance face that keeps said terminal pins.
5. fan according to claim 1, wherein,
Said circuit substrate position limit portion has the circumferential position limitation part at least, and this circumferential position limitation part is arranged at the front end of tooth correspondence portion, through limiting circumferential position with the circuit substrate butt.
6. fan according to claim 1, wherein,
Said circuit substrate position limit portion has ladder surface at the axial upside place with respect to its lower surface,
This ladder surface is said circuit substrate abutting part.
7. fan according to claim 1, wherein,
Extend towards axial downside with respect to the lower end of said circuit substrate abutting part the lower end of said circuit substrate position limit portion.
8. fan according to claim 1, wherein,
Said insulator has the terminal pins holding part that keeps said terminal pins,
Said terminal pins holding part is formed at the core back correspondence portion of said insulator and the front end correspondence portion of tooth.
9. fan according to claim 8, wherein,
Correspondence portion place is provided with 1 said terminal pins holding part at said core back, is provided with 2 said terminal pins holding parts at the front end from the adjacent teeth correspondence portion of this core back correspondence portion extension.
10. fan according to claim 1, wherein,
The lower end of said circuit substrate position limit portion has radially or the projection of extending circumferentially, and with the lower surface butt of said circuit substrate.
11. fan according to claim 3, wherein,
From being wound up between copper cash on the said terminal pins is incorporated in said circuit substrate abutting part towards the position that winding extends the lower surface of lower surface and said terminal pins holding part.
12. fan according to claim 9, wherein,
The thickness of the lower surface of the upper surface of said projection and said circuit substrate abutting part gap size and said circuit substrate in the axial direction about equally.
13. fan according to claim 1, wherein,
Said circuit substrate is the essentially rectangular shape, be configured in adjacent tooth front end circumferentially between.
14. the production method of a DYN dynamic fan is characterized in that,
Said fan has:
Stator department;
Rotor part, it is that the center is rotated with the central shaft;
Gear mechanism, it is supported for said rotor part can be with respect to said stator department rotation; And
Blade, it is held in said rotor part,
Said stator department has:
Stator iron core, the magnet of itself and said rotor part is opposed, and and said magnet between produce torque;
Insulator, it is formed by insulating element, covers at least a portion of said stator iron core;
Terminal pins, it is held in said insulator, is connected with winding electric; And
Circuit substrate, it is tabular with said central shaft approximate vertical, is maintained at a side of the said central axis direction of said stator iron core, and is electrically connected with said terminal pins,
Said insulator has circuit substrate position limit portion, this circuit substrate position limit portion diametrically with a part of butt of the side of said circuit substrate, and extend towards axial downside,
The production method of this fan comprises following operation:
(a) the said insulator of assembling on said stator iron core;
(b) the said winding of on said stator iron core, reeling, and be electrically connected with said terminal pins;
(c) make a side and said circuit substrate position limit portion's butt of said circuit substrate and position; And
(d) said terminal pins is electrically connected with said circuit substrate.
15. the production method of fan according to claim 14, wherein,
In said (c) and operation (d), carry out (c) operation earlier with respect to said (d) operation.
16. the production method of fan according to claim 14, wherein,
In said (c) and operation (d), carry out (d) operation earlier with respect to said (c) operation.
17. the production method of fan according to claim 14, wherein,
The lower end of said terminal pins is positioned at the top with respect to the lower end of said circuit substrate position limit portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010224916A JP5707834B2 (en) | 2010-10-04 | 2010-10-04 | fan |
| JP2010-224916 | 2010-10-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102444596A true CN102444596A (en) | 2012-05-09 |
| CN102444596B CN102444596B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110293892.5A Active CN102444596B (en) | 2010-10-04 | 2011-09-29 | Fan and manufacture method thereof |
| CN2011203703049U Expired - Fee Related CN202417974U (en) | 2010-10-04 | 2011-09-29 | Electric fan |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203703049U Expired - Fee Related CN202417974U (en) | 2010-10-04 | 2011-09-29 | Electric fan |
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| Country | Link |
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| JP (1) | JP5707834B2 (en) |
| CN (2) | CN102444596B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111200343A (en) * | 2018-11-20 | 2020-05-26 | 日本电产株式会社 | Stator unit, motor and fan motor |
| US11268522B2 (en) | 2014-07-09 | 2022-03-08 | Apple Inc. | Adhesive joint features |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5707834B2 (en) * | 2010-10-04 | 2015-04-30 | 日本電産株式会社 | fan |
| JP2014121210A (en) * | 2012-12-18 | 2014-06-30 | Sanyo Denki Co Ltd | Axial flow fan |
| JP2021010214A (en) * | 2019-06-28 | 2021-01-28 | 日本電産株式会社 | motor |
| JP7434746B2 (en) | 2019-07-31 | 2024-02-21 | ニデック株式会社 | motor |
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| US20050231049A1 (en) * | 2004-04-17 | 2005-10-20 | Foxconn Technology Co., Ltd. | Fan with brushless direct current motor |
| CN101136563A (en) * | 2006-08-31 | 2008-03-05 | 日本电产株式会社 | Fan and motor used thereto |
| CN101494399A (en) * | 2008-01-25 | 2009-07-29 | 松下电工株式会社 | Motor and motor integrated pump with the motor |
| JP2010093905A (en) * | 2008-10-06 | 2010-04-22 | Sanyo Denki Co Ltd | Brushless motor stator |
| CN202417974U (en) * | 2010-10-04 | 2012-09-05 | 日本电产株式会社 | Electric fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3545215B2 (en) * | 1998-07-21 | 2004-07-21 | 愛知電機株式会社 | Brushless motor |
| JP5360473B2 (en) * | 2008-05-16 | 2013-12-04 | 日本電産株式会社 | Motor and blower fan using the same |
-
2010
- 2010-10-04 JP JP2010224916A patent/JP5707834B2/en active Active
-
2011
- 2011-09-29 CN CN201110293892.5A patent/CN102444596B/en active Active
- 2011-09-29 CN CN2011203703049U patent/CN202417974U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050231049A1 (en) * | 2004-04-17 | 2005-10-20 | Foxconn Technology Co., Ltd. | Fan with brushless direct current motor |
| CN101136563A (en) * | 2006-08-31 | 2008-03-05 | 日本电产株式会社 | Fan and motor used thereto |
| CN101494399A (en) * | 2008-01-25 | 2009-07-29 | 松下电工株式会社 | Motor and motor integrated pump with the motor |
| JP2010093905A (en) * | 2008-10-06 | 2010-04-22 | Sanyo Denki Co Ltd | Brushless motor stator |
| CN202417974U (en) * | 2010-10-04 | 2012-09-05 | 日本电产株式会社 | Electric fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11268522B2 (en) | 2014-07-09 | 2022-03-08 | Apple Inc. | Adhesive joint features |
| CN111200343A (en) * | 2018-11-20 | 2020-05-26 | 日本电产株式会社 | Stator unit, motor and fan motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012077703A (en) | 2012-04-19 |
| CN202417974U (en) | 2012-09-05 |
| CN102444596B (en) | 2015-09-23 |
| JP5707834B2 (en) | 2015-04-30 |
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