CN107408865A - Motor and ventilation fan - Google Patents
Motor and ventilation fan Download PDFInfo
- Publication number
- CN107408865A CN107408865A CN201580077426.XA CN201580077426A CN107408865A CN 107408865 A CN107408865 A CN 107408865A CN 201580077426 A CN201580077426 A CN 201580077426A CN 107408865 A CN107408865 A CN 107408865A
- Authority
- CN
- China
- Prior art keywords
- cover
- framework
- flange
- lead
- motor
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 title claims description 36
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 201000004792 malaria Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A DC brushless motor (1) is provided with: a frame (50) formed of a frame (2) provided with a frame flange (2b) and a cover (8) provided with a cover flange (8 a); a stator (3) provided inside the frame (2); a rotor (6b) disposed inside the stator (3); a shaft (6a) connected to the rotor (6 b); a bracket (7) which divides the interior of the housing (50) into a frame (2) side and a cover (8) side and rotatably holds the shaft (6 a); a substrate (9) which is provided with a circuit for controlling the rotor (6b) and is arranged in a space between the bracket (7) and the cover (8); a lead (32) that is inserted into the housing (50) through a through-hole (8b) provided in the cover (8); and a filler (33) which is formed with a lead insertion hole (33a) into which the lead (32) is inserted and is provided on the cover flange (8 a).
Description
Technical field
The present invention relates to the motor and ventilation fan for possessing stator and rotor.
Background technology
Since in the past, as the motor of the ventilation fan of ceiling mount type, using be configured with the inside of stator rotor and
Make the motor of axle rotation linked with rotor.In patent document 1, a kind of motor is disclosed, the motor possesses：Axle
Hold, the bearing, which remains axle, to be rotated；Bracket, the bracket keep bearing；And substrate, the substrate is across bracket
It is arranged at the side opposite with bearing.In motor as patent document 1, it is made up of mostly using framework framework and cover
And the structure of lead is drawn from cover side.
In the ventilation fan of structure as described above, motor is installed on to the top for the body frame for being arranged on box-shaped from inner side
The motor mounting hole of plate, lead is carried out winding.In addition, in the terminal board for being internally provided with supply power supply of ventilation fan, electricity
The lead of motivation is also introduced into the inner side of body frame.Like this, in order to which the lead of motor to be incorporated into the inner side of body frame,
The situation that the patchhole that the lead of electric motor passes through is arranged to the top plate of ventilation fan is more.
In ventilation fan as described above, by by filling member (Japanese：パ ッ キ Application material) lead is wound in, to fill
The gap being formed between cover and top plate, it is achieved thereby that waterproof countermeasure.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2012-253845 publications
The content of the invention
Problems to be solved by the invention
However, be wound in by filling member in the ventilation fan of lead, according to the difference of the shape of the lead patchhole of top plate,
Cause the penalty of ventilation fan from clearance leakage there is also the blade contact or wind of filling member and ventilation fan or moisture
Situation.
Moreover, in the case where ventilation fan is arranged at bathroom, there is also following situation：Humidity in ventilation fan suction bathroom
Air, the air being inhaled into leaked into ceiling, is caused the life-span of house so as to produce condensation or mould in ceiling
Shorten.Further, since malaria is invaded inside motor, it is possible to being produced in the circuit substrate for be built in motor
Condense and produce unfavorable condition as short circuit.
The present invention makes in view of the above problems, and its object is to obtain a kind of blade of filling member not with ventilation fan
Contact and prevent air from the motor leaked between the top plate of ventilation fan.
The solution used to solve the problem
Achieved the goal to solve the problems, such as above-mentioned, the present invention has framework, and the framework is formed by framework and cover, institute
It is in tubular with the end to state framework, opening edge portion is provided with frame flange, the cover is in tubular with the end, in opening edge portion
Shroud flange is provided with, the cover is combined in a manner of frame flange is matched with shroud flange with framework.It is in addition, of the invention
The stator of tubular with the inside for being arranged on framework.In addition, the present invention has rotor of the configuration in the inner side of stator.In addition,
The present invention has the axle linked with rotor.In addition, the present invention has bracket, the bracket possesses by frame flange and shroud flange folder
The holder flange held, framework side and cover side will be divided into framework, and axle is remained and can rotated.In addition, present invention tool
There is substrate, the substrate possesses the circuit being controlled to rotor, and the space being arranged between bracket and cover.In addition, this
Invention has lead, and the lead is disposed through the through hole of cover and is introduced in framework, and power supply is supplied to substrate.Separately
Outside, the present invention has filling member, and the filling member is formed with the lead patchhole for lead insertion, and the filling member is set
On shroud flange.
Invention effect
The motor of the present invention plays following effect：Filling member will not be with that the blade contact of ventilation fan and can prevent air
Leaked between the top plate of ventilation fan.
Brief description of the drawings
Fig. 1 is the side view of the DC Brushless Motor of embodiments of the present invention.
Fig. 2 is the top view of the filling member of the DC Brushless Motor of embodiment.
Fig. 3 is the sectional view of the ventilation fan of embodiment.
Fig. 4 is the top view of the top plate of the ventilation fan of embodiment.
Fig. 5 is the top view of the mounting portion of the DC Brushless Motor of the ventilation fan of embodiment from suction inlet side.
Embodiment
Hereinafter, based on accompanying drawing, the motor and ventilation fan of embodiments of the present invention are explained.Need what is illustrated
It is that the present invention is not limited by the embodiment.
Embodiment
Fig. 1 is the side view of the DC Brushless Motor of embodiments of the present invention.In Fig. 1, kept left side than central shaft 30
Partially illustrate section.In addition, in Fig. 1, in order to be readily appreciated that structure, eliminate the hatching beyond bracket 7.
DC Brushless Motor 1 as motor is accommodated with each member in the inside for the framework 50 being made up of framework 2 and cover 8
Part, the framework 2 are in tubular with the end, and opening edge portion is provided with frame flange 2b, and the cover 8 is in tubular with the end,
Opening edge portion is provided with shroud flange 8a, and the cover 8 is entered in a manner of frame flange 2b is matched with shroud flange 8a with framework 2
Row combination.Framework 2 is metal system.Tubular stator 3 is pressed into and is accommodated in the cylinder of framework 2.That is, the stator 3 of tubular is set
In the inside of framework 2.Stator 3 by coil 3b by being wound in iron core 3a to form.Frame flange 2b is in be arranged at flange shapely
The open sides of framework 2.
The inner side of stator 3 is configured in the rotor 6b of annular shape.The axle 6a extended along the central shaft 30 of stator 3 is linked to
Rotor 6b.The outside of the axle 6a lateral framework 2 in one end protrudes.In the following description, by from the axle 6a protruding to the outside of framework 2
A side be referred to as front side, by another side be referred to as rear side.
On axle 6a, the bearing 4a on front side of the position setting than axle 6a and the rotor 6b forward side of linking portion, than axle
The position of 6a and rotor 6b linking portion side rearward sets rear side bearing 4b.Front side bearing 4a and rear side bearing 4b is by axle 6a
Remaining can be pivoted about with central shaft 30.The housing 2a that front side bearing 4a is formed on framework 2 is kept.
Across rear side bearing 4b and the side opposite with rotor 6b, in other words, it is provided with rear side of rear side bearing 4b
Keep rear side bearing 4b bracket 7.Bracket 7 is via rear side bearing 4b holding shafts 6a.That is, axle 6a is remained and can revolved by bracket 7
Turn.As bracket 7, the bracket of resin-made is used.Rear side bearing 4b bracket housing 7b is kept to be formed at bracket 7.Bracket 7 with
Spring 5 is provided between rear side bearing 4b.Spring 5, which acts on power, makes rear side bearing 4b be separated with bracket 7 along central shaft 30
Direction.Using spring 5 by order that rear side bearing 4b is suitably acted and required power puts on rear side bearing 4b.
Bracket 7 is in discoideus, so as to the end of the open sides of inaccessible framework 2.The outer peripheral portion of bracket 7 is holder flange
7a, as shown in figure 1, holder flange 7a is sandwiched between the frame flange 2b of framework 2 and the shroud flange 8a of cover 8.Framework 2,
Cover 8 and bracket 7 tighten fixation by insertion frame flange 2b, shroud flange 8a and holder flange 7a parts screw 41.
Across bracket 7 and the side opposite with rotor 6b, in other words, substrate 9 is configured with the rear side of bracket 7, it is described
Substrate 9 possesses the circuit being controlled to rotor 6b.The active force for acting on the side of substrate 9 puts on bracket 7 by spring 5.
The framework 50 that framework 2 and cover 8 are formed is divided into the motor part for being configured with rotor 6b and stator 3 by bracket 7
51 and it is configured with the circuit portion 52 of substrate 9.That is, bracket 7 possesses by the holder flange of frame flange 2b and shroud flange 8a clampings
7a, and the circuit portion 52 of 8 sides of motor part 51 and cover of the side of framework 2 will be divided into framework 50.Motor part 51 is framework 2 and bracket
Space between 7, space of the circuit portion 52 between cover 8 and bracket 7.
Formed with solid for DC Brushless Motor 1 to be tightened on holder flange 7a, frame flange 2b and shroud flange 8a
Due to the hole of product.As one of the product for being fixed with DC Brushless Motor 1, ventilation fan there are.
Commercial ac voltage is supplied to the substrate 9 of the rotor 6b circuits being controlled externally to possessing by lead 32, profit
Alternating voltage is converted to DC voltage by the power circuit for being used as electronic component, to be adapted to the voltage of each element supply electricity
Source.Drive circuit as electronic component produces alternating voltage so that electric current in the side being set upwardly through pin 3c to setting
Flowed in the coil 3b of stator 3.Magnetic field is produced due to electric current flowing through coil 3b, so as to which rotor 6b and axle 6a is rotated.
Microcontroller as electronic component is based on using Hall element (Japanese：ホ ー Le sub-prime) Magnetic Sensor 31
Signal, detect the induced voltage phase of DC Brushless Motor 1, and be controlled so that induced voltage phase with from driving electricity
The phase of the phase current of DC Brushless Motor 1 caused by road turns into same phase.By controlling into induced voltage phase and direct current
The phase of the phase current of brushless motor 1 turns into same phase, so as to realize the raising of the efficiency of DC Brushless Motor 1.
Lead 32 is disposed through the through hole 8b of the barrel of cover 8 and is introduced in the inside of framework 50, to substrate 9
Supply power supply.Lead 32 is rear winding to ventilation fan body the filling member 33 through the leaded patchhole 33a of setting.Filling member
33 are arranged on shroud flange 8a.That is, lead 32 passes through lead patchhole 33a.Lead patchhole 33a diameter is more straight than lead 32
Footpath is small, and lead 32 is inserted in lead patchhole 33a with expanding lead patchhole 33a.It is therefore prevented that lead 32 inserts with lead
Air leakage between the 33a of hole.Lead patchhole 33a is formed at position not overlapping with shroud flange 8a.
Fig. 2 is the top view of the filling member of the DC Brushless Motor of embodiment.In fig. 2, filling member 33 is to remove length
The shape that the two corners of a square short side form, can be the shape with ventilation fan but as long as setting leaded patchhole 33a
Any shape that shape matches.Specifically, filling member 33 can also be formed as circular or triangle.
Fig. 3 is the sectional view of the ventilation fan of embodiment.In figure 3, in order to be readily appreciated that accompanying drawing, ventilation fan 11 is eliminated
A part element hatching.Ventilation fan 11 by DC Brushless Motor 1 by being installed on main body 12 to form.Direct current without
The axle 6a's of brush motor 1 is fixedly arranged at the front end with blade 13.
Ventilation fan 11 is that main body 12 is arranged at into ceiling floor 14 and grid 15 is installed on to the construction of main body 12.Such as Fig. 3
Shown in arrow D, rotated by making blade 13 together with the axle 6a of DC Brushless Motor 1, so as to pass through grid 15 from suction inlet 12a
The air of suction is sent to blow-off outlet 12b by blade 13, produces the flowing of air.
Fig. 4 is the top view of the top plate of the ventilation fan of embodiment.Main body 12 is the box-shaped for possessing top plate 16, the top plate
16 formed with the motor mounting hole 16a that can be penetrated for cover 8.DC Brushless Motor 1 is with the prominent side in the top of cover 8 to top plate 16
Formula is inserted in motor mounting hole 16a from the side of cover 8.The otch 16b of motor mounting hole 16a and lead is arranged at top plate 16.Lead
32 pass through the body interior of otch 16b to ventilation fan 11 winding.
Fig. 5 is the top view of the mounting portion of the DC Brushless Motor of the ventilation fan of embodiment from suction inlet side.
Filling member 33 is to be sandwiched between shroud flange 8a and top plate 16 and otch 16b is carried out the construction of occlusion.That is, the quilt of filling member 33
It is sandwiched between top plate 16 and shroud flange 8a, the gap of top plate 16 and shroud flange 8a is sealed.Therefore, sucked by ventilation fan 11
Air will not invade in ceiling.In addition, filling member 33 is arranged on shroud flange 8a, and it is sandwiched in shroud flange 8a and top plate 16
Between, so will not be contacted with blade 13.
As shown in figure 1, in DC Brushless Motor 1, it is configured with the circuit portion 52 of substrate 9 and is configured with rotor 6b and determines
The motor part 51 of son 3 is separated by bracket 7.Therefore, although motor part 51 is in the air-flow of air, circuit portion 52 is and sky
The space of the air flow partition of gas, it is not easy to turn into high humility space.Therefore, will not be produced on substrate 9 condensation and produce short circuit that
The unfavorable condition of sample, improves security.
The ventilation fan 11 for possessing DC Brushless Motor 1 can be used in the ventilation of high humidity environment., can as high humidity environment
The air enumerated in bathroom is one.
In addition, in the above description, filling member 33 is formed as only abutting with the part around the otch 16b of top plate 16
Shape, but can also possess the annulus same with shroud flange 8a and from annulus protrude tongue piece portion, tongue piece portion is to otch
16 carry out occlusion.By so forming filling member 33, so as to prevent air from the clearance leakage of top plate 16 and cover 8.
More than embodiment shown in one of representation present disclosure, it can either be with other well known skill
Art is combined, and can also not depart from the scope of idea of the invention, and the part of structure is omitted, changed.
Description of reference numerals
1：DC Brushless Motor；2：Framework；2a：Housing；2b：Frame flange；3：Stator；3a：Iron core；3b：Coil；3c：
Pin；4a：Front side bearing；4b：Rear side bearing；5：Spring；6a：Axle；6b：Rotor；7：Bracket；7a：Holder flange；8：Cover；8a：Cover
Flange；8b：Through hole；9：Substrate；11：Ventilation fan；12：Main body；12a：Suction inlet；12b：Blow-off outlet；13：Blade；14：Ceiling
Plate；15：Grid；16：Top plate；16a：Motor mounting hole；16b：Otch；30：Central shaft；31：Magnetic Sensor；32：Lead；33：
Filling member；33a：Lead patchhole；41：Screw；50：Framework；51：Motor part；52：Circuit portion.
Claims (3)
1. a kind of motor, it is characterised in that possess：
Framework, the framework are formed by framework and cover, and the framework is in tubular with the end, and it is convex that opening edge portion is provided with framework
Edge, the cover is in tubular with the end, and opening edge portion is provided with shroud flange, described to cover so that the frame flange and the cover
The mode that flange matches is combined with the framework；
The stator of tubular, the stator are arranged at the inside of the framework；
Rotor, the rotor configuration is in the inner side of the stator；
Axle, the axle are linked to the rotor；
Bracket, the bracket possess the holder flange by the frame flange and shroud flange clamping, will be drawn in the framework
It is divided into the framework side and the cover side, and the axle is remained and can rotated；
Substrate, the substrate possess the circuit being controlled to the rotor, and are arranged between the bracket and the cover
Space；
Lead, the lead are disposed through the through hole of the cover and are introduced in the framework, and are supplied to the substrate
To power supply；And
Filling member, the filling member are arranged on the cover formed with the lead patchhole for lead insertion, the filling member
On flange.
2. motor according to claim 1, it is characterised in that
The lead is inserted in the lead patchhole with expanding the lead patchhole.
3. a kind of ventilation fan, it is characterised in that possess：
Motor described in claims 1 or 2；
Blade, the blade are linked to the axle；And
Main body, the main body store the blade inside it,
The main body is the box-shaped for possessing top plate, the top plate formed with can for the motor mounting hole of the cover insertion,
The motor by it is described cover to the top of the top plate it is prominent in a manner of from the cover side be inserted in motor installation
Hole,
The filling member is sandwiched between the top plate and the shroud flange, and the gap of the top plate and the shroud flange is carried out
Sealing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/065446 WO2016189744A1 (en) | 2015-05-28 | 2015-05-28 | Electric motor and ventilation fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107408865A true CN107408865A (en) | 2017-11-28 |
| CN107408865B CN107408865B (en) | 2019-04-19 |
Family
ID=57393987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580077426.XA Active CN107408865B (en) | 2015-05-28 | 2015-05-28 | Motor and ventilation fan |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6293373B2 (en) |
| CN (1) | CN107408865B (en) |
| DE (1) | DE112015006576T5 (en) |
| WO (1) | WO2016189744A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628602A (en) * | 2019-02-28 | 2020-09-04 | 日本电产株式会社 | Motor with a stator having a stator core |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6525371B1 (en) * | 2018-03-28 | 2019-06-05 | 三菱電機株式会社 | Rotating electrical machine and elevator door apparatus using the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285347A (en) * | 1995-04-14 | 1996-11-01 | Toshiba Corp | Ceiling ventilation fan |
| JP2004064849A (en) * | 2002-07-26 | 2004-02-26 | Mitsubishi Electric Corp | Motor and blower |
| JP2012253845A (en) * | 2011-05-31 | 2012-12-20 | Mitsubishi Electric Corp | Motor and ventilating fan |
| JP2014099961A (en) * | 2012-11-13 | 2014-05-29 | Mitsubishi Electric Corp | Electric motor and ventilation fan |
| CN203984139U (en) * | 2011-09-08 | 2014-12-03 | 三菱电机株式会社 | Motor and be equipped with pump, air conditioner, water heater and the heat source machine of motor |
-
2015
- 2015-05-28 DE DE112015006576.8T patent/DE112015006576T5/en active Pending
- 2015-05-28 WO PCT/JP2015/065446 patent/WO2016189744A1/en active Application Filing
- 2015-05-28 JP JP2017520194A patent/JP6293373B2/en active Active
- 2015-05-28 CN CN201580077426.XA patent/CN107408865B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285347A (en) * | 1995-04-14 | 1996-11-01 | Toshiba Corp | Ceiling ventilation fan |
| JP2004064849A (en) * | 2002-07-26 | 2004-02-26 | Mitsubishi Electric Corp | Motor and blower |
| JP2012253845A (en) * | 2011-05-31 | 2012-12-20 | Mitsubishi Electric Corp | Motor and ventilating fan |
| CN203984139U (en) * | 2011-09-08 | 2014-12-03 | 三菱电机株式会社 | Motor and be equipped with pump, air conditioner, water heater and the heat source machine of motor |
| JP2014099961A (en) * | 2012-11-13 | 2014-05-29 | Mitsubishi Electric Corp | Electric motor and ventilation fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628602A (en) * | 2019-02-28 | 2020-09-04 | 日本电产株式会社 | Motor with a stator having a stator core |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6293373B2 (en) | 2018-03-14 |
| CN107408865B (en) | 2019-04-19 |
| WO2016189744A1 (en) | 2016-12-01 |
| JPWO2016189744A1 (en) | 2017-08-24 |
| DE112015006576T5 (en) | 2018-03-15 |
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