CN203893809U - Potentiometer-type displacement sensor - Google Patents
Potentiometer-type displacement sensor Download PDFInfo
- Publication number
- CN203893809U CN203893809U CN201420229629.9U CN201420229629U CN203893809U CN 203893809 U CN203893809 U CN 203893809U CN 201420229629 U CN201420229629 U CN 201420229629U CN 203893809 U CN203893809 U CN 203893809U
- Authority
- CN
- China
- Prior art keywords
- electric
- brush assembly
- electric brush
- slide block
- housing
- 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 - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 4
- 238000000429 assembly Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model belongs to the aeronautics and astronautics field, relates to a sensor, and concretely relates to a potentiometer-type displacement sensor. A plurality of resistance elements are mounted on the inner wall of a housing of the sensor, a plurality of electric brush assemblies are mounted on a sliding block of a measuring rod and are in one-to-one correspondence with the electric brush assemblies, each electric brush assembly comprises a reed and an electric brush wire, and one end of the reed is fixedly connected with the sliding block while the other end is fixedly connected with the electric brush wire. The housing of the sensor is of a split type and is formed by an outer housing and an inner housing which are buckled together. With adoption of the sensor provided by the utility model, when one electric brush assembly fails, other electric brush assemblies can continue performing the measuring work, and the electric brush assemblies can be conveniently replaced and repaired after being broken, thereby greatly saving manpower and material resources, and greatly raising working efficiency.
Description
Technical field
The utility model belongs to Aeronautics and Astronautics field, relates to a kind of sensor, is specifically related to a kind of potentiometer type displacement transducer.
Background technology
Become in thrust Aeronautics and Astronautics engine test process carrying out 7500N, conventionally adopt displacement transducer to carry out real-time monitoring to the spool displacement of flowrate control valve, thus reaction motor power operating mode.At present; traditional potentiometric pick-up is all single nargin sensor (being exactly, on the slide block of a sounding rod, a brush assembly of electric is installed); in the time using existing potentiometric pick-up to test; brush assembly of electric in sensor often there will be fault; often sensor is keeped in repair or changed with regard to needs like this; because maintenance process and Renewal process will spend a large amount of man power and materials, cause unnecessary waste.
Utility model content
In order to solve the problem in background technology, the utility model proposes multiple measurement brushes are installed on a kind of single sounding rod, while having avoided a brush assembly of electric to break down, other brush assembly of electric can be proceeded many nargin potentiometer type displacement transducer of surveying work.
Concrete technical scheme of the present utility model is:
A kind of potentiometer type displacement transducer, is characterized in that: the inwall of housing is provided with multiple resistance units; Multiple brush assembly of electric are installed on the slide block of sounding rod; Described brush assembly of electric is corresponding one by one with resistance unit.
Described brush assembly of electric comprises reed, brush wires; Described reed one end is fixedly connected with slide block, and the other end and brush wires are connected.
Above-mentioned housing is to be fastened and formed by shell body and inner housing two parts;
Described inner housing comprises cover plate and perpendicular to cover plate and for the support member of multiple resistance units is installed;
Described shell body is an inner hollow cylindricality cavity; Described shell body inwall is provided with two symmetrical guiding ribs;
On described slide block, symmetry offers two grooves; Slide block is installed on guiding rib by groove; The brush assembly of electric being arranged on slide block moves reciprocatingly under the guide effect of guiding rib.
The cross section of above-mentioned cylindricality cavity is square or circular.
The quantity of above-mentioned brush assembly of electric is at least 2.
The utility model has the advantage of:
1, the utility model is installed the mode that multiple brush assembly of electric and multiple resistance unit are used in combination on single sounding rod, while having avoided a brush assembly of electric to break down, other brush assembly of electric can be proceeded surveying work, have saved a large amount of man power and materials, thereby have greatly improved work efficiency.
2, housing of the present utility model adopts shell body and inner housing split-type structural, is convenient for changing and keeps in repair after brush assembly of electric goes wrong; Greatly improve work efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the assembling schematic diagram of shell body and slide block;
1-housing, 2-resistance unit, 3-sounding rod, 4-slide block, 5-brush assembly of electric, 6-shell body, 7 inner housings, 8-cover plate, 9-support member, 10-guiding rib, 11-groove.
Embodiment
When the utility model proposes one and being applicable to space flight, Aero Engine Testing, flowrate control valve is carried out to the potentiometer type displacement transducer of many nargin of monitoring in real time, this sensor improves traditional sensor, solved in the time that a brush assembly of electric breaks down, sensor still can be proceeded the problem of surveying work.
The technical scheme of this potentiometer type displacement transducer is:
A kind of potentiometer type displacement transducer, its improvements are: the inwall at the housing 1 of traditional sensors is installed multiple resistance units 2; Multiple brush assembly of electric 5 are installed on the slide block 4 of sounding rod 3.Wherein, resistance unit 2 and brush assembly of electric 5 are corresponding one by one; Thereby form a sounding rod and be provided with multiple measurement passages.Such improvement has just been avoided in the time that one of them resistance unit 2 or brush assembly of electric 5 break down, and other resistance unit 2 or brush assembly of electric 5 still can normally be worked, and can not affect engine test time, flowrate control valve is carried out to the work of monitoring in real time.
Furtherly, brush assembly of electric 5 comprises reed, brush wires; Reed one end is fixedly mounted on slide block, and the other end is fixedly connected with brush wires.
Furtherly, resistance unit 2 adopts traditional resistance unit mode (being that resistive element is formed by the close platinum wire around one deck on aluminium alloy)
Because the use of this sensor is more frequent, in use procedure, unavoidably there will be fault, the personnel of needing repairing keep in repair and change, and therefore, the inventor of this case has also carried out further improvement to this sensor, specifically:
The housing 1 of this sensor is split type, is to be fastened and formed by shell body 6 and inner housing 7 two parts;
Wherein, inner housing 7 comprises cover plate 8 and perpendicular to cover plate 8 and for the support member 9 of multiple resistance units is installed;
Shell body 6 is cylindricality cavitys of an inner hollow; Shell body 6 inwalls are provided with two symmetrical guiding ribs 10; (conventionally,, according to the rationality of design, processing, the cross section of cylindricality cavity is circular or square).
On slide block 4, symmetry offers two grooves 11; Slide block 4 is installed on guiding rib 10 by groove 11; The brush assembly of electric 5 being arranged on slide block 4 moves reciprocatingly under the guide effect of guiding rib.
Specifically, 2 brush assembly of electric are at least installed on this sensor; Preferred scheme is: brush assembly of electric is 3.
Claims (4)
1. a potentiometer type displacement transducer, is characterized in that: the inwall of housing is provided with multiple resistance units; Multiple brush assembly of electric are installed on the slide block of sounding rod; Described brush assembly of electric is corresponding one by one with resistance unit;
Described brush assembly of electric comprises reed, brush wires; Described reed one end is fixedly connected with slide block, and the other end and brush wires are connected.
2. potentiometer type displacement transducer according to claim 1, is characterized in that: described housing is to be fastened and formed by shell body and inner housing two parts;
Described inner housing comprises cover plate and perpendicular to cover plate and for the support member of multiple resistance units is installed;
Described shell body is an inner hollow cylindricality cavity; Described shell body inwall is provided with two symmetrical guiding ribs;
On described slide block, symmetry offers two grooves; Slide block is installed on guiding rib by groove; The brush assembly of electric being arranged on slide block moves reciprocatingly under the guide effect of guiding rib.
3. potentiometer type displacement transducer according to claim 2, is characterized in that: the cross section of described cylindricality cavity is square or circular.
4. according to the potentiometer type displacement transducer described in the arbitrary claim of claim 1-3, it is characterized in that: the quantity of described brush assembly of electric is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229629.9U CN203893809U (en) | 2014-05-06 | 2014-05-06 | Potentiometer-type displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229629.9U CN203893809U (en) | 2014-05-06 | 2014-05-06 | Potentiometer-type displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203893809U true CN203893809U (en) | 2014-10-22 |
Family
ID=51720203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229629.9U Expired - Lifetime CN203893809U (en) | 2014-05-06 | 2014-05-06 | Potentiometer-type displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203893809U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123760A (en) * | 2016-08-29 | 2016-11-16 | 西安旭彤电子科技股份有限公司 | A kind of drag-line sensor |
| CN106767369A (en) * | 2016-12-29 | 2017-05-31 | 江西天河传感器科技有限公司 | A kind of linear pattern double redundant sensors |
-
2014
- 2014-05-06 CN CN201420229629.9U patent/CN203893809U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123760A (en) * | 2016-08-29 | 2016-11-16 | 西安旭彤电子科技股份有限公司 | A kind of drag-line sensor |
| CN106123760B (en) * | 2016-08-29 | 2020-03-31 | 西安旭彤电子科技股份有限公司 | Inhaul cable sensor |
| CN106767369A (en) * | 2016-12-29 | 2017-05-31 | 江西天河传感器科技有限公司 | A kind of linear pattern double redundant sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |