CN206291847U - A kind of microminiature angular displacement sensor - Google Patents
A kind of microminiature angular displacement sensor Download PDFInfo
- Publication number
- CN206291847U CN206291847U CN201621391663.1U CN201621391663U CN206291847U CN 206291847 U CN206291847 U CN 206291847U CN 201621391663 U CN201621391663 U CN 201621391663U CN 206291847 U CN206291847 U CN 206291847U
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- electrode
- brush
- microminiature
- angular displacement
- displacement sensor
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a kind of microminiature angular displacement sensor, it includes base, upper lid, rotating shaft, resistive element and brush assembly of electric, described brush assembly of electric includes insulation sleeve, brushgear housing and brush, base connects and forms an accommodating cavity therebetween with top cap, rotating shaft is arranged on base by bearing and collar, one end of rotating shaft is extend into accommodating cavity, and the other end is outside base；Resistive element is provided with base, insulation sleeve is provided with the roller end in accommodating cavity, brushgear housing is provided with insulation sleeve, the brush contacted with resistive element is provided with brushgear housing, brush can be slided under the drive of rotating shaft on resistive element.Size of main body of the present utility model can accomplish that φ 11mm × 10mm even below the size, meets the demand of control.
Description
Technical field
The utility model belongs to field of electrical components, and in particular to a kind of displacement transducer, using partial pressure design principle,
Make Displacement Feedback or Bit andits control sensor in real work.
Background technology
At present, the size of main body of the angular displacement sensor of production is typically no less than φ 15mm both at home and abroad, and size of main body is little
In the commonly referred to as microminiature angular displacement sensor of φ 11mm.As Industry Control and armament systems are to high-accuracy, miniaturization, thin
The direction of type is developed, microminiature, the potential demand substantial amounts of high-accuracy angular displacement sensor, with well using preceding
Scape and demand, but current microminiature angular displacement sensor structure is complicated, unreasonable structure causes to produce microminiature angular displacement
The difficulty of sensor is larger.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided clever structure and a kind of rational microminiature
Angular displacement sensor.
The purpose of this utility model is achieved through the following technical solutions：A kind of microminiature angular displacement sensor, it
Including base, upper lid, rotating shaft and brush assembly of electric, described brush assembly of electric includes insulation sleeve, brushgear housing, brush and resistive element, bottom
Seat is connect and forms an accommodating cavity therebetween with top cap, and rotating shaft is arranged on base by bearing and collar, and the one of rotating shaft
End is extend into accommodating cavity, and the other end is outside base；Resistive element is provided with base, is provided with the roller end in accommodating cavity
Insulation sleeve, is provided with brushgear housing on insulation sleeve, the brush contacted with resistive element is provided with brushgear housing, and brush can be in the band of rotating shaft
Slided on resistive element under dynamic.
It is preferred that, described resistive element includes resistive band and conductive strips, and resistive band and conductive strips are symmetric double resistance
Band structure, one end of resistive band sets first electrode, and the other end sets the 3rd electrode, second electrode is set on conductive strips.
It is preferred that, described second electrode is arranged on one end of conductive strips.
It is preferred that, weld lead-out wire on described first electrode, second electrode and the 3rd electrode.
It is preferred that, it is provided with heat-shrink tube outside described lead-out wire and is protected.
It is preferred that, stem, the first electricity are provided with described first electrode, second electrode and the 3rd electrode
Pole, second electrode and the 3rd electrode pass through stem connecting lead wire.
It is preferred that, described brushgear housing includes brush carriage and two reeds, and two reeds bend shaping, brush
Afflux point is welded in reed two ends, and two brushes are mutually 180 °.
It is preferred that, described reed is integrally formed with brush carriage.
It is preferred that, described insulation sleeve epoxy resin is adhesive on brushgear housing.
The beneficial effects of the utility model are：Clever structure of the present utility model and rationally, its size of main body can be accomplished
Below φ 11mm × 10mm even sizes, the demand of Industry Control is met.
Brief description of the drawings
Fig. 1 is the structural representation of sensor；
Fig. 2 is brush assembly of electric schematic diagram；
Fig. 3 is the structural representation of resistive element；
Description of reference numerals：
1- rotating shafts；2- bases；3- collars；4- resistive elements；5- brushes；6- insulation sleeves；Covered on 7-；8- brushgear housings；8-1- electricity
Brush support；8-2- reeds；9- stems；10- leads；11- bearings.
Specific embodiment
The technical solution of the utility model, but protection domain of the present utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in FIG. 1 to 3, a kind of microminiature angular displacement sensor, it includes base, upper lid, rotating shaft and brush assembly of electric,
Described brush assembly of electric includes insulation sleeve, brushgear housing, brush and resistive element, and base and top cap connect and form one therebetween
Accommodating cavity, rotating shaft is arranged on base by bearing and collar, and one end of rotating shaft is extend into accommodating cavity, and the other end is in base
Outward；Resistive element is provided with base, insulation sleeve is provided with the roller end in accommodating cavity, brushgear housing is provided with insulation sleeve,
The brush contacted with resistive element is provided with brushgear housing, brush can be slided under the drive of rotating shaft on resistive element.
Preferably, described resistive element includes resistive band and conductive strips, and resistive band and conductive strips are symmetrical dual-attenuation structure,
One end of resistive band sets first electrode, and the other end sets the 3rd electrode, second electrode is set on conductive strips.Preferably, resistance
Body, using spraying mould pressing process production, is that the matrix powder that will be prepared is pressed into matrix blank in advance, and DAP resistance slurries are sprayed on into mould
On tool, matrix blank is placed in pressing mold, resistance slurry hot pressing is turned into resistive element on matrix blank with mould, by the technique system
The resistive element surface smoothness of work is very high and with self lubricity, resistive band and conductive strips junction non junction, and its output is flat
Slip, wearability are good.
Preferably, described second electrode is arranged on one end of conductive strips.
Preferably, lead-out wire is welded on described first electrode, second electrode and the 3rd electrode.
Preferably, heat-shrink tube is provided with outside described lead-out wire to be protected.
Preferably, stem, first electrode, second are provided with described first electrode, second electrode and the 3rd electrode
, by stem connecting lead wire, electrode, stem and lead are electrically connected for electrode and the 3rd electrode.
Preferably, described brushgear housing includes brush carriage and two reeds, and two reeds bend shaping, brush collection flow point
Reed two ends are welded in, two brushes are mutually 180 °.
Preferably, described reed is integrally formed with brush carriage.
Preferably, described insulation sleeve epoxy resin is adhesive on brushgear housing.
The utility model sensor internally in structure design, is set using disymmetry brush structure, i.e. resistive element in structure
Using double resistance band structures on meter, one section is resistive band, and another section is conductive strips, and brushgear housing uses reed with brush carriage integrally
Formula structure, two brush afflux points are welded on reed, are mutually 180 ° of angles, and double brush is slided under the drive of rotating shaft on resistive element
Signal output, the structure is produced to reduce by three parts (collecting ring, collection relative to traditional afflux silk ribbon single-arm suspension brush structure
Stream silk, traditional reed), product can be reduced highly so that sensor is more compact in structure, technique is simpler.In addition, double electricity
Brush is directly slided on resistive element, and contact is more compared with afflux silk, afflux ring structure, electrically connects more reliable.
In sum, the size of main body φ 11mm × 10mm of this sensor, size of main body is referred to for sensor
The full-size that interiors of products structure design can be used, it does not include rotating shaft extension and mounting flange part, with this Shen
Please as a example by, its size of main body φ 11 refers to the main diameter of product, and 10 refer to the body height of product, refer to Fig. 1, linearly
Precision is not more than ± 0.3%, and linear precision is high, and the rotary load life-span can reach more than 2,000,000 times.The utility model is a heavy
Amount is light, the sensor that wearability is preferable, output smoothness is good, reliability is high, strong shock resistance, shock resistance are good.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, should referred to
Go out, all any modification, equivalent and improvement made within spirit of the present utility model and principle etc. all should be included
Within protection domain of the present utility model.
Claims (9)
1. a kind of microminiature angular displacement sensor, it is characterised in that：It includes base, upper lid, rotating shaft, resistive element and brush group
Part, described brush assembly of electric includes insulation sleeve, brushgear housing and brush, and base connects with top cap and forms one therebetween and houses
Chamber, rotating shaft is arranged on base by bearing and collar, and one end of rotating shaft is extend into accommodating cavity, and the other end is outside base；Bottom
Resistive element is provided with seat, insulation sleeve is provided with the roller end in accommodating cavity, brushgear housing, brushgear housing are provided with insulation sleeve
On be provided with the brush contacted with resistive element, brush can be slided under the drive of rotating shaft on resistive element.
2. a kind of microminiature angular displacement sensor according to claim 1, it is characterised in that：Described resistive element includes electricity
Stopband and conductive strips, resistive band and conductive strips are symmetrical dual-attenuation structure, and one end of resistive band sets first electrode, and the other end sets
The 3rd electrode is put, second electrode is set on conductive strips.
3. a kind of microminiature angular displacement sensor according to claim 2, it is characterised in that：Described second electrode is set
In one end of conductive strips.
4. a kind of microminiature angular displacement sensor according to Claims 2 or 3, it is characterised in that：Described first electrode,
Lead-out wire is welded on second electrode and the 3rd electrode.
5. a kind of microminiature angular displacement sensor according to claim 4, it is characterised in that：Set outside described lead-out wire
There is heat-shrink tube to be protected.
6. a kind of microminiature angular displacement sensor according to claim 4, it is characterised in that：Described first electrode,
Stem is provided with two electrodes and the 3rd electrode, first electrode, second electrode and the 3rd electrode pass through stem connecting lead wire.
7. a kind of microminiature angular displacement sensor according to claim 1, it is characterised in that：Described brushgear housing includes electricity
Brush support and two reeds, two reeds bend shaping, and brush afflux point is welded in reed two ends, and two brushes are mutually 180 °.
8. a kind of microminiature angular displacement sensor according to claim 7, it is characterised in that：Described reed and brush branch
Frame is integrally formed.
9. a kind of microminiature angular displacement sensor according to claim 1 or 7, it is characterised in that：Described insulation sleeve is used
Epoxy resin is adhesive on brushgear housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391663.1U CN206291847U (en) | 2016-12-19 | 2016-12-19 | A kind of microminiature angular displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391663.1U CN206291847U (en) | 2016-12-19 | 2016-12-19 | A kind of microminiature angular displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206291847U true CN206291847U (en) | 2017-06-30 |
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ID=59104807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621391663.1U Active CN206291847U (en) | 2016-12-19 | 2016-12-19 | A kind of microminiature angular displacement sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN206291847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202536A (en) * | 2017-07-20 | 2017-09-26 | 成都宏明电子股份有限公司 | Impulse stroke is big and sensor of small volume |
| CN114383496A (en) * | 2022-03-23 | 2022-04-22 | 四川永星电子有限公司 | Small-size large-stroke angular displacement sensor |
-
2016
- 2016-12-19 CN CN201621391663.1U patent/CN206291847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202536A (en) * | 2017-07-20 | 2017-09-26 | 成都宏明电子股份有限公司 | Impulse stroke is big and sensor of small volume |
| CN114383496A (en) * | 2022-03-23 | 2022-04-22 | 四川永星电子有限公司 | Small-size large-stroke angular displacement sensor |
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| GR01 | Patent grant | ||
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Effective date of registration: 20191009 Granted publication date: 20170630 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20221009 Granted publication date: 20170630 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20221017 Granted publication date: 20170630 |
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| PP01 | Preservation of patent right |