CN105680589B - A kind of micro-machine - Google Patents
A kind of micro-machine Download PDFInfo
- Publication number
- CN105680589B CN105680589B CN201610128174.5A CN201610128174A CN105680589B CN 105680589 B CN105680589 B CN 105680589B CN 201610128174 A CN201610128174 A CN 201610128174A CN 105680589 B CN105680589 B CN 105680589B
- Authority
- CN
- China
- Prior art keywords
- rotor
- micro
- electrode
- varistor
- commutator
- 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.)
- Active
Links
- 238000004804 winding Methods 0.000 claims abstract description 15
- 239000011159 matrix material Substances 0.000 claims description 16
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 abstract description 4
- 229910000018 strontium carbonate Inorganic materials 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity 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
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/04—Connections between commutator segments and windings
- H02K13/06—Resistive connections, e.g. by high-resistance chokes or by transistors
-
- 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
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
-
- 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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The present invention provides a kind of micro-machine, and the motor includes rotor assembly；The rotor assembly includes rotor mandrel and the rotor windings that are fixed in the rotor mandrel；The non-powered output end of the rotor mandrel is successively fixed with commutator and varistor；The commutator is between the rotor windings and the varistor；The wiring pin of the line end of the rotor windings and the commutator is electrically connected；The electrode of the wiring pin of the commutator and the varistor is electrically connected compared with prior art, by adding varistor on small machine, motor speed can be made to stablize; it is anti-interference strong; noise is small, plays the role of protecting motor, extends the service life of motor.Meanwhile strontium carbonate varistor, relative to common resistance, performance is more preferable, and motor speed stability is more preferable.
Description
Technical field
The present invention relates to electronic technology field, a kind of specifically micro-machine.
Background technique
With the development of society, the progress of science and technology, micro-machine have goed deep into daily life.Due to going out for micro-machine
It is existing, to produce some miniature electric instruments, bring great convenience for our life.
However, present micro-machine, does not have overvoltage protection usually, when voltage is excessive, it is easy to burn motor.Also
It is why we are common that small instrument can frequent bad reason day.
Since the voltage-dependent resistor being used in micro-machine is small, the area of electrode is smaller, in the welding process, often
There is pad deviation, causes motor performance poor.
Summary of the invention
The purpose of the present invention is to solve prior art middle and small motors not to have the defect of overvoltage protection, provides a kind of small
Type motor solves the above problems.
The present invention is to be achieved through the following technical solutions above-mentioned technical purpose:
A kind of micro-machine, the motor include casing；Stator module is fixed in the casing；The rotor assembly is solid
It is scheduled on the centre of the stator module；The rotor assembly includes rotor mandrel and the rotor that is fixed in the rotor mandrel
Winding；The non-powered output end of the rotor mandrel is successively fixed with commutator and varistor；The commutator is in described
Between rotor windings and the varistor；The wiring pin of the line end of the rotor windings and the commutator is electrically connected；
The electrode of the wiring pin of the commutator and the varistor is electrically connected.
Preferably, the casing has front cover；The center of the front cover is provided with first bearing；The rotor mandrel
Power output end pass through the first bearing.
Preferably, the casing has rear cover；The center of the rear cover is provided with second bearing；The rotor mandrel
Non-powered output end pass through the second bearing.
Preferably, the rear cover also has positive and negative electrode brush；The terminal of the commutator is in the positive and negative electrode brush
Between.
Preferably, the rotor has 3 windings.
Preferably, the varistor includes annular matrix；Multiple electrodes are coated on the annular matrix；It is the multiple
Electrode is uniformly distributed on the matrix.
Preferably, the electrode is the sector wide with described matrix；The multiple electrode specification is identical.
Preferably, the adjacent side of the two neighboring electrode is parallel to each other.
Preferably, the multiple electrode is 3 silver-coated electrodes.
Preferably, it is set on the opposite face with the electrode one side with the electrode relative position in described matrix
It is equipped with location structure；The location structure is circular protrusions；The circular protrusions are rubber circular protrusions.
Compared with the prior art, the present invention has the following beneficial effects:
By adding varistor on small machine, motor speed can be made to stablize, anti-interference strong, noise is small, plays guarantor
The effect for protecting motor, extends the service life of motor.
Further, location structure, i.e. rubber circular protrusions is added in the reverse side of matrix, worker can be helped in welding process
In, by circular protrusions, it can accurately find welding position；Will not be small because of voltage-dependent resistor, silver-plated area is smaller, and leads
Cause welding position deviation.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of micro-machine of the present invention；
Fig. 2 is the structural schematic diagram that varistor has electrode one side in a kind of micro-machine of the present invention；
Fig. 3 is the structural schematic diagram that varistor has location structure one side in a kind of micro-machine of the present invention.
Specific embodiment
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Examples and drawings cooperation detailed description, is described as follows:
As shown in Figure 1, a kind of micro-machine, motor includes rotor assembly；Rotor assembly includes rotor mandrel 11 and consolidates
The rotor windings 12 being scheduled in rotor mandrel 11.The non-powered output end of rotor mandrel 11 is successively fixed with commutator 13 and pressure-sensitive
Resistance 14, commutator 13 are between rotor windings 12 and varistor 14.The line end of rotor windings 12 connects with commutator 13
Wire pin is electrically connected, and the wiring pin of commutator 13 and the electrode of varistor 14 are electrically connected.
Certainly, complete motor further includes casing, is fixed with stator module in casing.Rotor assembly is fixed on stator module
Centre.Casing has front cover and rear cover.The center of front cover is provided with first bearing；The power output end of rotor mandrel 11
Across first bearing.The center of rear cover is provided with second bearing；The non-powered output end of rotor mandrel 11 passes through the second axis
It holds.
Rear cover also has positive and negative electrode brush；The terminal 131 of commutator 13 is between positive and negative electrode brush.
Rotor windings 12 provided by the invention have 3 windings 121.
As shown in Fig. 2, varistor 14 provided by the invention is three galactic pole annular strontium carbonate varistors 14, varistor
14 galactic pole is towards commutator 13.
The present invention can be such that motor speed stablizes by adding varistor 14 on small machine, anti-interference strong, noise
It is small, play the role of protecting motor, extends the service life of motor.Meanwhile strontium carbonate varistor 14, relative to common electricity
Resistance, performance is more preferable, and motor speed stability is more preferable.
Enter in casing to reduce noise and reduce dust, the present invention also secures pad at the both ends of rotor assembly respectively
Piece 15,
As shown in Fig. 2, varistor 14 includes annular matrix 141.Multiple electrodes 142 are coated on annular matrix 141.It is more
A electrode 142 is evenly distributed on matrix 141；Electrode 142 is the sector wide with matrix 141, and specification is identical.The present invention mentions
The multiple electrodes 142 of confession, wherein the adjacent side of two neighboring electrode 2 is parallel to each other.Electrode 142 provided by the invention is 3
Silver-coated electrode 142.
It, can also be in the one side opposite with electrode of matrix, with electrode phase as the preferred embodiment of above scheme
Contraposition, which installs, is equipped with location structure 143.Location structure 143 can be the convex of circular protrusions made of rubber or other shapes
It rises.
Varistor provided by the invention is strontium carbonate varistor, and relative to other varistors, performance is more stable,
Motor speed is also more stable, so that motor noise is small, longer life expectancy.
Further, location structure, i.e. rubber circular protrusions is added in the reverse side of matrix, worker can be helped in welding process
In, by circular protrusions, it can accurately find welding position；Will not be small because of voltage-dependent resistor, silver-plated area is smaller, and leads
Cause welding position deviation.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (8)
1. a kind of micro-machine, the motor includes casing；Stator module is fixed in the casing；Rotor assembly is fixed on institute
State the centre of stator module；It is characterized by: the rotor assembly includes rotor mandrel and is fixed in the rotor mandrel
Rotor windings；The non-powered output end of the rotor mandrel is successively fixed with commutator and varistor；At the commutator
Between the rotor windings and the varistor；The wiring pin of the line end of the rotor windings and the commutator is electrical
Connection；The electrode of the wiring pin of the commutator and the varistor is electrically connected；The varistor includes annular base
Body；Multiple electrodes are coated on the annular matrix；The multiple electrode is uniformly distributed on the matrix；In described matrix
On the opposite face with the electrode one side, the electrode relative position is provided with location structure；The location structure is
Circular protrusions；The circular protrusions are rubber circular protrusions.
2. a kind of micro-machine according to claim 1, it is characterised in that: the casing has front cover；The front cover
Center is provided with first bearing；The power output end of the rotor mandrel passes through the first bearing.
3. a kind of micro-machine according to claim 2, it is characterised in that: the casing has rear cover；The rear cover
Center is provided with second bearing；The non-powered output end of the rotor mandrel passes through the second bearing.
4. a kind of micro-machine according to claim 3, it is characterised in that: the rear cover also has positive and negative electrode brush；Institute
The terminal for stating commutator is between the positive and negative electrode brush.
5. according to claim 1 to a kind of micro-machine any in 4, it is characterised in that: the rotor have 3 around
Group.
6. a kind of micro-machine according to claim 1, it is characterised in that: the electrode is the fan wide with described matrix
Shape；The multiple electrode specification is identical.
7. a kind of micro-machine according to claim 6, it is characterised in that: the adjacent side of two neighboring electrode is mutually flat
Row.
8. a kind of micro-machine according to claim 1, it is characterised in that: the multiple electrode is 3 silver-coated electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128174.5A CN105680589B (en) | 2016-03-07 | 2016-03-07 | A kind of micro-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610128174.5A CN105680589B (en) | 2016-03-07 | 2016-03-07 | A kind of micro-machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105680589A CN105680589A (en) | 2016-06-15 |
| CN105680589B true CN105680589B (en) | 2019-02-19 |
Family
ID=56306933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610128174.5A Active CN105680589B (en) | 2016-03-07 | 2016-03-07 | A kind of micro-machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105680589B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448830A (en) * | 2018-04-24 | 2018-08-24 | 深圳市精锐昌科技有限公司 | A kind of long-life micromotor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4308999B2 (en) * | 1999-11-15 | 2009-08-05 | アスモ株式会社 | Rotor and method for manufacturing the same |
| CN2469609Y (en) * | 2001-03-24 | 2002-01-02 | 林也华 | Small-sized DC permanent-magnetic motor |
| JP5543190B2 (en) * | 2009-12-17 | 2014-07-09 | 株式会社日本自動車部品総合研究所 | Rotation detector |
| CN103378670A (en) * | 2012-04-28 | 2013-10-30 | 德昌电机(深圳)有限公司 | Motor rotor and motor with same |
| CN102856027B (en) * | 2012-09-07 | 2016-03-02 | 广州新莱福磁电有限公司 | Annular voltage-sensitive resistor and preparation method thereof |
| CN103731001A (en) * | 2012-10-15 | 2014-04-16 | 东莞市吉铼升电机有限公司 | Direct-current coreless motor used for driving model airplane |
| CN203092016U (en) * | 2012-12-27 | 2013-07-31 | 东明机电（深圳）有限公司 | Fixture for welding piezoresistor on rotor assembly of micromotor |
-
2016
- 2016-03-07 CN CN201610128174.5A patent/CN105680589B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105680589A (en) | 2016-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1331653A3 (en) | Pigment-sensitized solar cell | |
| CN103390967A (en) | Rotating resistor assembly | |
| CN105680589B (en) | A kind of micro-machine | |
| CN206820675U (en) | Disc type electrostatic generator | |
| CN105703553B (en) | A kind of production method of motor | |
| JP2017192233A (en) | Rotary electric machine with brush | |
| JP2017034741A (en) | Rectification device and rotary electric machine | |
| CN206977291U (en) | A kind of brushed DC motor of band PPTC protectors | |
| CN202737712U (en) | DC motor | |
| CN208782663U (en) | Micro pump miniature DC motor | |
| CN204156700U (en) | A kind of eight groove minitype high voltage DC d.c. motors | |
| CN204068588U (en) | A kind of few groove number high voltage direct current micromachine | |
| CN220774052U (en) | External piezoresistor sheet of direct current brush micro motor | |
| JP2632908B2 (en) | DC motor | |
| KR101515585B1 (en) | A brush card assembly for the motor | |
| CN207490656U (en) | Integrated motor drive end bearing bracket | |
| CN203608091U (en) | Double voltage conversion circuit of power generation welding machine | |
| CN204733007U (en) | A kind of floor brush of dust collector motor | |
| CN204597747U (en) | A kind of miniature motor for small household appliances | |
| CN204013103U (en) | A kind of New-type electric machine | |
| CN211530949U (en) | Aerogenerator generator shaft current earthing device | |
| US10110097B2 (en) | Alternating-current generator, voltage regulation device for alternating-current generator, and manufacturing methods therefor | |
| CN109067094A (en) | Micro pump miniature DC motor | |
| CN202663248U (en) | Miniature direct-current motor | |
| CN214100181U (en) | Novel rotatable electric connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240313 Address after: 242000, No. 19 Sanxi Road, Xinqiao Development Zone, Jingyang Town, Jingde County, Xuancheng City, Anhui Province Patentee after: Anhui Huyu Electrical Appliances Co.,Ltd. Country or region after: China Address before: 242600 Xinqiao Economic Development Zone, Jingde County, Xuancheng City, Anhui Province Patentee before: Anhui Province Shengde County Xinghao Electronic Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |