CN101931302B - Molded motor - Google Patents
Molded motor Download PDFInfo
- Publication number
- CN101931302B CN101931302B CN201010212982.2A CN201010212982A CN101931302B CN 101931302 B CN101931302 B CN 101931302B CN 201010212982 A CN201010212982 A CN 201010212982A CN 101931302 B CN101931302 B CN 101931302B
- Authority
- CN
- China
- Prior art keywords
- incorporating section
- sensor stand
- stator
- main part
- molding type
- 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.)
- Expired - Fee Related
Links
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims description 24
- 239000000758 substrate Substances 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 238000005406 washing Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 8
- 230000001012 protector Effects 0.000 description 7
- 210000002445 nipple Anatomy 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Abstract
The invention provides a molded motor which solves the following problem of a large motor used for a washing machine: in installing a position sensor on an end surface of a stator by screwing, screwing can be performed only on the yoke side and mounting strength is not sufficient. The molded motor, in which the stator 1 of the motor is covered with resin except a tooth tip thereof and the portion covered with resin is cylindrical, is configured so that a protrusion 6 is integrally formed at a resin frame 3 of the stator 1 and the vicinities of both ends in the peripheral direction of a storage portion 13 of a sensor holder 11 are latched by the protrusion 6.
Description
Technical field
The present invention relates to the washing machine geometric ratio large motor of vibration relatively large and that use in the many places of moisture.
Background technology
In the past, the known molding type motor (モ mono-Le De モ mono-タ) that has use resin component covering stator winding.(with reference to patent documentation 1)
In the case of the such molding type motor for air conditioner etc. of above-mentioned patent documentation, by the molded wiring substrate of resin integrated, but at larger motor, for example, for washing machine etc., when with the integrally moulded wiring substrate of motor, exist resin pressure when molded to cause wiring substrate or be configured in the problem of the electronic unit breakage on this wiring substrate.And wiring substrate is non-exchange.
In view of the above problems, in the past known have: the circular-arc wiring substrate that position transducer is installed is embedded to incorporating section, be fixed by screw, the circular-arc sensor stand that utilizes casting resin to cover is set, and is arranged on an end face of stator.(with reference to patent documentation 2)
In addition, in the past known have near winding, configure overheat protector equitemperature protection component and utilize resin cover motor.(with reference to patent documentation 3)
Patent documentation 1: TOHKEMY 2007-295733 communique
Patent documentation 2: TOHKEMY 2003-88079 communique
Patent documentation 3: Japanese kokai publication hei 09-9550 communique
But, due to the inner circumferential side configuration rotor of the stator at motor, therefore in the time that described sensor stand is installed, cannot mounting screw in inner circumferential side etc.Therefore, sensor stand is only fastened by screws at the outer circumferential side of stator.But, under the motor using under the very large environment of vibration as use in washing machine motor, in the installation of outer circumferential side folk prescription only, because causing sensor stand, this vibration swings, the accuracy of detection variation of position transducer, or likely come off because this vibration causes sensor stand.
In addition, in the time of motor larger as use in washing machine motor, molding pressure is larger, in the time utilizing as the conventional example resin to cover overheat protector, exists and causes damaged problem because of molding pressure.And also effect has molding pressure in overheat protector contact portion, likely action is produced to bad influence.Therefore, overheat protector need to be configured on stator molded surface, but above-mentioned such while using in vibrating very large motor, overheat protector need to be fixed into and can move from assigned position.
But in order to be formed for that overheat protector is fixed on to the structure on stator casting mold, stator mould is complicated, at high price.Therefore need to arrange the special parts of overheat protector, cost will rise in this case.
Summary of the invention
The present invention is in view of above-mentioned existing issue, even if a kind of structure that also can keep reliably sensor stand and improve installation strength in the large motor of vibration is provided, and provide a kind of cheap and simple structure that does not need support in various sensor class are used.
A first aspect of the present invention provides a kind of molding type motor, possesses: the stator that is formed as circular, wiring substrate, it disposes the position transducer for detection of the position of rotation of rotor, sensor stand, it comprises receives the incorporating section of described wiring substrate and for being arranged on the main part on described stator, the circumferential length of this incorporating section is longer than the circumferential length of this main part, and this sensor stand is configured in and is integrally formed as circular-arc than described main part by the mode of the position of axial inner side with described incorporating section, a part for described stator or entirety are covered by resin, it is characterized in that, inner circumferential side at described stator forms multiple projections by resin integrated, near utilizing the circumferential two ends of the incorporating section of described projection to described sensor stand, carry out engaging.
A second aspect of the present invention provides a kind of molding type motor, possesses: the stator that is formed as circular, wiring substrate, it disposes the position transducer for detection of the position of rotation of rotor, sensor stand, it comprises receives the incorporating section of described wiring substrate and for being arranged on the main part on described stator, the circumferential length of this incorporating section is longer than the circumferential length of this main part, and this sensor stand is configured in and is integrally formed as circular-arc than described main part by the mode of the position of axial inner side with described incorporating section, a part for described stator or entirety are covered by resin, it is characterized in that, inner circumferential side and outer circumferential side at described stator form multiple projections by resin integrated, fitting portion is set and chimeric with described outer circumferential side projection at the outer circumferential side of described sensor stand, near utilizing the circumferential two ends of the incorporating section of described inner circumferential side projection to described sensor stand, carry out engaging.
A third aspect of the present invention, in first aspect or second aspect, is characterized in that, on the edge of described stator inner circumferential side, forms recess, and in described incorporating section, in the part of joining with this stator inner circumferential side, forms protuberance, and this recess engages with teat.
A fourth aspect of the present invention in first aspect to third aspect either side; it is characterized in that, on the main part of described sensor stand, be provided with element incorporating section for receiving temperature protection component main body and the multiple wire engaging portions for the wire of this temperature protection component of engaging.
A fifth aspect of the present invention is in fourth aspect; it is characterized in that, described element incorporating section is formed with guide portion, and this guide portion forms in tool mode springy; in guide portion, be formed with multiple for pressing the projection of described temperature protection component, the bottom opening of described element incorporating section.
A sixth aspect of the present invention in either side, is characterized in that aspect first aspect to the five, is provided with and allows band wait the hole of passing through on the main part of described sensor stand.
Invention effect
In the case of the structure of first aspect, form projection by the inner circumferential side at the stator that screw hole or fitting portion cannot be set, can engaging and keep sensor stand, therefore can improve the installation strength of sensor stand.Be particularly suitable for the such motor using of use in washing machine motor in the large purposes of vibration.
In the case of the structure of second aspect, compared with fixing with screw in the past, can more easily fix, and do not need screw, therefore a kind of motor of cheapness can be provided.
In the case of the structure of the third aspect, can keep more reliably sensor stand, be especially firm structure with respect to sensor stand to circumferential skew.
In the case of the structure of fourth aspect, by in the molding type motor of resin covering stator, even large-scale and vibrate large motor, can not make molding die complicated yet, the support that does not need various transducers to use, therefore can provide a kind of motor of cheapness.
In the case of the structure aspect the 5th, can receive reliably temperature protection component, and, in the temperature detection of stator, also can precision detect well.
In the case of the structure aspect the 6th, owing to the wire being connected with wiring substrate can being fixed on sensor stand, therefore the processing of wire is good, and owing to being used band fixing, therefore can obtain simple and easy and cheap structure.
Brief description of the drawings
Fig. 1 is the vertical view of the stator that sensor stand is installed of embodiment 1.
Fig. 2 is the vertical view of the sensor stand of embodiment 1.
Fig. 3 is the stereogram at the back side of the sensor stand of embodiment 1.
Fig. 4 is the vertical view of the stator that takes off sensor stand of embodiment 1.
Fig. 5 is the stereogram of the stator that sensor stand is installed of embodiment 1.
Fig. 6 is the vertical view of the sensor stand of embodiment 2.
Fig. 7 is the vertical view of the stator that takes off sensor stand of embodiment 2.
Symbol description:
1 stator
2 resinous frameworks
3 flanges
4 erection openings
5 installation portions
6 projections
7 recesses
8 protuberances
9,10 holes
11 sensor stands
12 wiring substrates
13 incorporating sections
14 main parts
15 position transducers
16 teats
17 fitting portions
21 temperature protection components
22 element incorporating sections
23 guide portion
24 protuberances
25 wire engaging portions
26 wires
27 wire maintaining parts
28 wire pressing devices
29 bands
30 band inserting holes
Embodiment
Use Fig. 1～7, embodiments of the invention are described.
According to Fig. 1, described stator 1 is covered by peucinous framework 2, is integrally formed.It is shaped as annular, therein all side storage rotors (not shown).At the outer circumferential side of this stator 1, be integrally formed and be useful on the flange 3 of installing to bracket (not shown) with resinous framework 2, on flange 3, be formed with the erection opening 4 for mounting screw.
Following execution mode has illustrated the situation with the whole covering stators 1 of resin, but the part being covered by resin also can only be covered by winding portion.
[embodiment 1]
(shape of sensor stand)
According to Fig. 2, sensor stand 11 comprises the incorporating section 13 of containing conductor configuration substrate 12 and for being arranged on the main part 14 on stator 1, is formed as circular-arc corresponding to the shape of stator 1.This incorporating section 13 is configured in the inner circumferential side of main part 14, and the circumferential lengths of incorporating section 13 is formed as being longer than the circumferential lengths of main part 14.
At the interior allocation position transducer 15 in described incorporating section 13, and the storage wiring substrate 12 corresponding with the shape of incorporating section 13.The wiring substrate 12 of storage is fixed by screw fastening, and by utilizing perfusion resin to cover interior wiring substrate 12 and the position transducer 15 protected in incorporating section 13.
According to Fig. 3, the inner peripheral surface of the outer peripheral face of described incorporating section 13 and stator 1 joins, but on this outer peripheral face, is formed with multiple teats 16.
As the structure of patent documentation 1, the outer circumferential side of sensor stand 11 can be formed as being fixed by screws on stator, but as shown in the present, from the main part 14 of sensor stand 11, fitting portion 17 is set downwards, and as described below, make the outer circumferential side of itself and stator 1 chimeric.In the time that the thickness of this fitting portion 17 is formed as to 1mm～2mm left and right, can obtain elastic force to a certain degree, it is easier therefore to install.
(shape of stator of the present invention)
According to Fig. 4, the entirety that stator 1 covers except tooth front end by peucinous framework 2.Be provided with installation portion 5 in the planar side of stator 1, this installation portion 5 is formed flatly so that sensor stand 11 is easily installed.In the stator inner circumferential side of this installation portion 5, two projections 6 are integrally formed with resinous framework 2, and the interval of these two projections 6 arranges corresponding to the both sides (and width) of described sensor stand 11.Below this projection 6, be formed flatly.
In addition, between described two projections 6, be formed with multiple tetragonal recesses 7, at the outer circumferential side of stator 1, two protuberances 8 are integrally formed with resinous framework 2.
(installation method of sensor stand of the present invention)
First, make the incorporating section 13 of described sensor stand 11 downward-sloping, meanwhile, incorporating section 13 is accommodated in to the below of described projection 6.Then, the mode disposal subject portion 14 covering with the resinous framework 2 by stator 1, makes described fitting portion 17 chimeric with the protuberance 8 of stator peripheral part.Sensor stand 11 is arranged on the figure on stator 1 by Fig. 5.
Thus, the two ends of the incorporating section 13 of sensor stand 11 are by projection 6 engaging tops, and the teat 16 of the outer peripheral face side of incorporating section 13 is chimeric with recess 7, and inner circumferential side is fixed.On the other hand, at outer circumferential side, make described fitting portion 17 chimeric with the protuberance 8 of stator peripheral part.Thus, the inner circumferential side of sensor stand 11, outer circumferential side are fixed reliably, become the structure that is difficult to come off with respect to vibration.
In addition, in the time taking off sensor stand 11, by making sensor stand 11 tilt to erect a little, can easily take off sensor stand 11 from stator 1, the handling need to change time are easy.
[embodiment 2]
As shown in Figure 6, temperature protection component 21 is installed on sensor stand 11, this temperature protection component 21 is for detection of the temperature of stator 1 and protect stator 1 to avoid temperature anomaly.And, be formed with element incorporating section 22 in order to keep temperature protection component 21.
This element incorporating section 22, to main part 14 openings of sensor stand 11, is formed with guide portion 23 at this peristome.Obtain elastic force by the thickness that the thickness of this guide portion 23 is formed as to 1mm left and right, thereby obtain the confining force of temperature protection component 21.And the bottom opening of this guide portion 23, can detect the heat from stator reliably.And, on the sidewall of guide portion 23, be formed with multiple protuberances 24, press the upside of temperature protection component 21 with this.
In addition, near element incorporating section 22, be formed with the wire engaging portion 25 of multiple wires for engaging temperature protection component 21.By forming multiple these wire engaging portions 25, can be corresponding to the length of multiple wire.
Moreover, on sensor stand 11, be connected with wiring substrate 12 for the wire 26 being connected with outside.For the main part 14 by sensor stand 11 keeps this wire 26 to be provided with wire maintaining part 27.
Moreover wire 26 uses is with 29 and kept by sensor stand 11.On sensor stand 11, be formed with the band inserting hole 30 of inserting with 29 for allowing.
As shown in Figure 7, on stator 1, be formed with than described element incorporating section 22 or with the larger hole 9,10 of inserting hole 30, and chimeric each storage position of caving in downwards than the main part of sensor stand 11 14.
Utilizability in industry
The motor of embodiment is for the drive motor of washing machine, in particular for direct drive mode.But, also can be used in the motor that the off-premises station of for example air conditioner that requires water proofing property is used.
Claims (14)
1. a molding type motor, possesses:
Be formed as the stator of circular;
Wiring substrate, it disposes the position transducer for detection of the position of rotation of rotor;
Sensor stand, it comprises receives the incorporating section of described wiring substrate and for being arranged on the main part on described stator, the circumferential length of this incorporating section is longer than the circumferential length of this main part, and this sensor stand is configured in and is integrally formed as circular-arc than described main part by the mode of the position of axial inner side with described incorporating section
A part for described stator or entirety are covered by resin, it is characterized in that,
Inner circumferential side at described stator forms multiple projections by resin integrated,
Utilize the circumferential two ends of the incorporating section of described projection to described sensor stand to carry out engaging, described incorporating section is configured to be accommodated in the below of described projection.
2. molding type motor according to claim 1, is characterized in that,
On the edge of described stator inner circumferential side, form recess,
And in described incorporating section, in the part of joining with this stator inner circumferential side, form protuberance,
This recess engages with protuberance.
3. molding type motor according to claim 1 and 2, is characterized in that,
On the main part of described sensor stand, be provided with element incorporating section for receiving temperature protection component main body and the multiple wire engaging portions for the wire of this temperature protection component of engaging.
4. molding type motor according to claim 3, is characterized in that,
Described element incorporating section is formed with guide portion, and this guide portion forms in tool mode springy, in guide portion, be formed with multiple for pressing the projection of described temperature protection component, the bottom opening of described element incorporating section.
5. molding type motor according to claim 1 and 2, is characterized in that,
On the main part of described sensor stand, be provided with the hole that allows band pass through.
6. molding type motor according to claim 3, is characterized in that,
On the main part of described sensor stand, be provided with the hole that allows band pass through.
7. molding type motor according to claim 4, is characterized in that,
On the main part of described sensor stand, be provided with the hole that allows band pass through.
8. a molding type motor, possesses:
Be formed as the stator of circular;
Wiring substrate, it disposes the position transducer for detection of the position of rotation of rotor;
Sensor stand, it comprises receives the incorporating section of described wiring substrate and for being arranged on the main part on described stator, the circumferential length of this incorporating section is longer than the circumferential length of this main part, and this sensor stand is configured in and is integrally formed as circular-arc than described main part by the mode of the position of axial inner side with described incorporating section
A part for described stator or entirety are covered by resin, it is characterized in that,
Inner circumferential side and outer circumferential side at described stator form multiple projections by resin integrated,
Fitting portion is set and chimeric with described outer circumferential side projection at the outer circumferential side of described sensor stand,
Utilize the circumferential two ends of the incorporating section of described inner circumferential side projection to described sensor stand to carry out engaging, described incorporating section is configured to be accommodated in the below of described projection.
9. molding type motor according to claim 8, is characterized in that,
On the edge of described stator inner circumferential side, form recess,
And in described incorporating section, in the part of joining with this stator inner circumferential side, form protuberance,
This recess engages with protuberance.
10. molding type motor according to claim 8 or claim 9, is characterized in that,
On the main part of described sensor stand, be provided with element incorporating section for receiving temperature protection component main body and the multiple wire engaging portions for the wire of this temperature protection component of engaging.
11. molding type motors according to claim 10, is characterized in that,
Described element incorporating section is formed with guide portion, and this guide portion forms in tool mode springy, in guide portion, be formed with multiple for pressing the projection of described temperature protection component, the bottom opening of described element incorporating section.
12. molding type motors according to claim 8 or claim 9, is characterized in that,
On the main part of described sensor stand, be provided with the hole that allows band pass through.
13. molding type motors according to claim 10, is characterized in that,
On the main part of described sensor stand, be provided with the hole that allows band pass through.
14. molding type motors according to claim 11, is characterized in that, are provided with the hole that allows band pass through on the main part of described sensor stand.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008193653 | 2008-07-28 | ||
| JP2009149978A JP4684340B2 (en) | 2008-07-28 | 2009-06-24 | Molded motor |
| JP2009-149978 | 2009-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101931302A CN101931302A (en) | 2010-12-29 |
| CN101931302B true CN101931302B (en) | 2014-06-25 |
Family
ID=42072677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010212982.2A Expired - Fee Related CN101931302B (en) | 2008-07-28 | 2010-06-12 | Molded motor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4684340B2 (en) |
| CN (1) | CN101931302B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012080779A1 (en) * | 2010-12-17 | 2012-06-21 | Aktiebolaget Skf | Rotation detection set, bearing assembly including such a rotation detection set and apparatus equipped with such a bearing assembly |
| WO2014040651A1 (en) * | 2012-09-17 | 2014-03-20 | Pierburg Pump Technology Gmbh | Electrical split-cage or canned coolant pump |
| DE102013214386A1 (en) * | 2013-07-23 | 2015-01-29 | Zf Friedrichshafen Ag | Electric machine |
| JP6184251B2 (en) * | 2013-08-28 | 2017-08-23 | 三菱電機株式会社 | DC brushless motor and method of manufacturing DC brushless motor |
| WO2020175349A1 (en) * | 2019-02-28 | 2020-09-03 | 株式会社明電舎 | Attachment structure for temperature detection element of rotating electric machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475178Y (en) * | 2001-04-03 | 2002-01-30 | 王明山 | Case of electric outlet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0297254A (en) * | 1988-09-30 | 1990-04-09 | Matsushita Seiko Co Ltd | Thermal fuse fixing device |
| JP2003088079A (en) * | 2001-09-14 | 2003-03-20 | Nidec Shibaura Corp | Printed circuit substrate for positional sensor |
| US7663274B2 (en) * | 2004-09-21 | 2010-02-16 | Nidec Corporation | Motor |
| JP4702593B2 (en) * | 2004-10-08 | 2011-06-15 | 日本電産株式会社 | motor |
| JP2007151315A (en) * | 2005-11-29 | 2007-06-14 | Matsushita Electric Ind Co Ltd | Motor |
-
2009
- 2009-06-24 JP JP2009149978A patent/JP4684340B2/en not_active Expired - Fee Related
-
2010
- 2010-06-12 CN CN201010212982.2A patent/CN101931302B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475178Y (en) * | 2001-04-03 | 2002-01-30 | 王明山 | Case of electric outlet |
Non-Patent Citations (2)
| Title |
|---|
| JP平2-97254A 1990.04.09 |
| JP特开2003-88079A 2003.03.20 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101931302A (en) | 2010-12-29 |
| JP4684340B2 (en) | 2011-05-18 |
| JP2010057355A (en) | 2010-03-11 |
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Legal Events
| Date | Code | Title | Description |
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| ASS | Succession or assignment of patent right |
Owner name: NIDEC TECHNO MOTOR HOLDINGS CORPORATION Free format text: FORMER OWNER: NIPPON ELECTRONICS SHIBAURA CO., LTD. Effective date: 20121203 Owner name: NIPPON DENSAN K. K. Free format text: FORMER OWNER: NIDEC TECHNO MOTOR CORPORATION Effective date: 20121203 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Address after: Kyoto Japan Applicant after: NIDEC TECHNO MOTOR Corp. Address before: Kyoto Japan Applicant before: Nidec Techno Motor Holdings Corp. |
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Free format text: CORRECT: APPLICANT; FROM: NIDEC TECHNO MOTOR HOLDINGS CORPORATION TO: NIDEC TECHNO MOTOR CORPORATION |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20121203 Address after: Kyoto City, Kyoto, Japan Applicant after: NIDEC Corp. Address before: Kyoto Japan Applicant before: NIDEC TECHNO MOTOR Corp. Effective date of registration: 20121203 Address after: Kyoto Japan Applicant after: Nidec Techno Motor Holdings Corp. Address before: Fukui Prefecture of Japan Applicant before: Nidec Shibaura Corp. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20200612 |