CN104568020A - Speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment - Google Patents
Speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment Download PDFInfo
- Publication number
- CN104568020A CN104568020A CN201510082348.4A CN201510082348A CN104568020A CN 104568020 A CN104568020 A CN 104568020A CN 201510082348 A CN201510082348 A CN 201510082348A CN 104568020 A CN104568020 A CN 104568020A
- Authority
- CN
- China
- Prior art keywords
- skeleton
- diameter hole
- tachogenerator
- enameled wire
- measurement sensor
- 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.)
- Pending
Links
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses a speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment. The speed measurement sensor comprises a skeleton with a different-diameter hole formed in the middle, wherein an annular groove is formed in the middle part of the skeleton along an external circumference, enameled coils are wound in the annular groove, and a screw column is inserted into the different-diameter hole from the upper end and is in screw-thread fit with the skeleton; two needle insert holes are formed in positions which are not provided with the annular groove at the upper part of the skeleton, two insert needles are respectively arranged in the needle insert holes, and the parts of the two insert needles which are positioned at the outer part of the skeleton are respectively welded with led-out wires; the end heads of the two enameled coils are respectively welded with the parts of the two insert needles positioned in the skeleton, and colloid frames are poured on the outer surfaces of the skeleton and the enameled coils. The speed measurement sensor disclosed by the invention is simple in structure, convenient to process and assemble and stable and accurate in lead-out signals, can be used for improving the amplitude measurement precision, and also has good sealing performance and relatively strong corrosion resistance.
Description
Technical field
The invention belongs to a kind of velocity measuring device of rotating machinery, be specifically related to a kind of tachogenerator improving measurement rotating machinery amplitude accuracy.
Background technology
Tachogenerator is the required device measuring rotating machinery rotating speed, and from the viewpoint of economy, the rotary speed parameter can measuring rotating machinery not only wanted by tachogenerator, but also wants to measure its amplitude parameter.The tachogenerator of current use is in vibration measuring, and due to the impact of the factors such as himself structure, limit the induction electromotive force amplitude because vibration produces, the amplitude data of measurement exists error, not accurate enough.
Summary of the invention
The present invention proposes to overcome the shortcoming existed in prior art, its objective is that providing a kind of improves the tachogenerator measuring rotating machinery amplitude accuracy.
Technical scheme of the present invention is:
A kind of tachogenerator improving measurement rotating machinery amplitude accuracy, described sensor comprises the middle skeleton forming different diameter hole, the middle part of skeleton is along outer circumferential groove circlewise, enameled wire loop is wound with around ellipse cylinder in annular recess, stud inserts in different diameter hole from upper end, and with skeleton threaded engagement; Two pin holes are provided with in the top bulge loop of skeleton, two contact pins are installed in pin holes respectively, and the part that two contact pins are positioned at skeleton outside is welded with extension line respectively, two enameled wire loop terminations are positioned at intraskeletal part with two contact pins respectively and weld, and are cast with colloid framework at the outside surface of skeleton and enameled wire loop.
Described skeleton is that bulge loop column type is formed at top.
Described different diameter hole epimere is threaded hole, and hypomere is unthreaded hole.
The invention has the beneficial effects as follows:
The present invention is in rotating machinery lifetime, in its Up and down speeding and stable operation process, convert the simulating signal characterizing rotating machinery operation information to electric signal and outside extractor, to realize the monitoring to rotating machinery running status, this apparatus structure is simple, and be convenient to processing and assembling, extraction signal stabilization is accurate, amplitude measurement precision can be improved, and there is good sealing and stronger corrosion resistance.
Accompanying drawing explanation
Fig. 1 is cut-open view of the present invention;
Fig. 2 is vertical view of the present invention;
Fig. 3 is skeleton front view in the present invention;
Fig. 4 is skeleton cut-open view in the present invention;
Fig. 5 is the sectional view along A-A line in Fig. 4.
Wherein:
1 stud 2 colloid framework
3 skeleton 4 enameled wire loops
5 extension line 6 contact pins
7 enameled wire loop termination 8 pin holes
9 annular recess 10 different diameter holes
11 ellipse cylinder 12 bulge loops.
Embodiment
Improve to the present invention the tachogenerator measuring rotating machinery amplitude accuracy below in conjunction with Figure of description and embodiment to be described in detail:
As shown in Fig. 1 ~ 5, a kind of tachogenerator improving measurement rotating machinery amplitude accuracy, comprise the middle skeleton 3 forming different diameter hole 10, the middle part of skeleton 3 is along outer circumferential groove 9 circlewise, enameled wire loop 4 is wound with around ellipse cylinder 11 in annular recess 9, stud 1 inserts in different diameter hole 10, and with skeleton 3 threaded engagement; Two pin holes 8 are had in the top bulge loop 12 of skeleton 3, two contact pins 6 are installed in pin holes 8 respectively, and the part that two contact pins 6 are positioned at skeleton 3 outside is welded with extension line 5 respectively, the part that two enameled wire loop terminations 7 are positioned at skeleton 3 with two contact pins 6 is respectively welded, and is cast with colloid framework 2 at the outside surface of skeleton 3 and enameled wire loop 4.
Described skeleton 3 forms the column type of bulge loop 12 in top.
Described different diameter hole 10 epimere is threaded hole, and hypomere is unthreaded hole.
The material of stud 1 is copper, and the material of contact pin 6 is copper.
Extension line 5 and contact pin 6 firm welding, the wire diameter of extension line 5 is φ 0.55 ± 0.05 mm, and material is enameled wire loop; The insulation protective jacket that extension line 5 cylindrical cover has acid resistance material to corrode.
The potting compound that colloid framework 2 corrodes for acid resistance material, its thickness is 0.3-0.5 mm.
Colloid framework 2 whole height is 14.0-16.0 mm.
The material of described skeleton 3 is nylon or ABS engineering plastics, and skeleton 3 shape is radius is 6.0-8.0 mm, is highly the cylindrical of 14.5-15.0 mm; It is highly the annular recess 9 of 11.0-11.5 mm that the cylinder of skeleton 3 has, annular recess 9 is for being wound around enameled wire loop 4, make the cylinder body shape ending annular recess 9 be elliptical cylinder-shape, oval major semi-axis is 5 ± 0.5 mm, and minor semi-axis is 3 ± 0.5 mm; The diameter of two pin holes 8 is Φ 1.5 ± 0.5 mm, and hole depth 3.5 ± 0.5 mm, pin holes 8 is for inserting contact pin 6.
Be wound around enameled wire loop 4 at annular recess 9 place of skeleton 3, become the coil of elliptical cylinder-shape, the wire diameter of enameled wire loop 4 is φ 0.18 ± 0.06 mm, and the number of turn of winding is 700-1000 circles.
The diameter of two contact pins 6 is Φ 1.4 ± 0.5 mm, length 7.0 ± 0.5 mm.
Claims (3)
1. one kind is improved the tachogenerator measuring rotating machinery amplitude accuracy, it is characterized in that: described sensor comprises the middle skeleton (3) forming different diameter hole (10), the middle part of skeleton (3) is along outer circumferential groove (9) circlewise, enameled wire loop (4) is wound with around ellipse cylinder (11) in annular recess (9), stud (1) inserts in different diameter hole (10), and with skeleton (3) threaded engagement; Two pin holes (8) are provided with in the top bulge loop (12) of skeleton (3), two contact pins (6) are installed in pin holes (8) respectively, and the part that two contact pins (6) are positioned at skeleton (3) outside is welded with extension line (5) respectively, the part that two enameled wire loop terminations (7) are positioned at skeleton (3) with two contact pins (6) is respectively welded, and is cast with colloid framework (2) at the outside surface of skeleton (3) and enameled wire loop (4).
2. a kind of tachogenerator improving measurement rotating machinery amplitude accuracy according to claim 1, is characterized in that: described skeleton (3) forms the column type of bulge loop (12) in top.
3. a kind of tachogenerator improving measurement rotating machinery amplitude accuracy according to claim 1, it is characterized in that: described different diameter hole (10) epimere is threaded hole, hypomere is unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082348.4A CN104568020A (en) | 2015-02-16 | 2015-02-16 | Speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082348.4A CN104568020A (en) | 2015-02-16 | 2015-02-16 | Speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568020A true CN104568020A (en) | 2015-04-29 |
Family
ID=53084617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082348.4A Pending CN104568020A (en) | 2015-02-16 | 2015-02-16 | Speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568020A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487468A (en) * | 2020-10-27 | 2022-05-13 | 核工业理化工程研究院 | Measuring device for high-speed rotating mechanical equipment and manufacturing method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071848A1 (en) * | 1981-08-07 | 1983-02-16 | Siemens Aktiengesellschaft | Apparatus for generating a voltage corresponding to the direction and speed of rotation of a D.C. drive |
| CN2439666Y (en) * | 2000-03-27 | 2001-07-18 | 熊一心 | Electromagnetic miniature vibration sensor |
| CN101604570A (en) * | 2008-06-10 | 2009-12-16 | 浙江三花股份有限公司 | Solenoid and skeleton thereof |
| CN103162808A (en) * | 2013-03-18 | 2013-06-19 | 核工业理化工程研究院 | Vibration measurement device based on series connection of three speed-measuring coils |
| CN203326820U (en) * | 2013-06-07 | 2013-12-04 | 常州银球环州机电有限公司 | Stator structure of speed measurement sensor |
| CN104029040A (en) * | 2014-06-18 | 2014-09-10 | 中核(天津)科技发展有限公司 | Clamping device for needle shaft type parts |
| CN204103680U (en) * | 2014-10-24 | 2015-01-14 | 慈溪市九菱电器有限公司 | The pin configuration of claw-pole permanent magnet synchronous motor coil |
| CN204479098U (en) * | 2015-02-16 | 2015-07-15 | 核工业理化工程研究院 | A kind of tachogenerator improving measurement rotating machinery amplitude accuracy |
-
2015
- 2015-02-16 CN CN201510082348.4A patent/CN104568020A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0071848A1 (en) * | 1981-08-07 | 1983-02-16 | Siemens Aktiengesellschaft | Apparatus for generating a voltage corresponding to the direction and speed of rotation of a D.C. drive |
| CN2439666Y (en) * | 2000-03-27 | 2001-07-18 | 熊一心 | Electromagnetic miniature vibration sensor |
| CN101604570A (en) * | 2008-06-10 | 2009-12-16 | 浙江三花股份有限公司 | Solenoid and skeleton thereof |
| CN103162808A (en) * | 2013-03-18 | 2013-06-19 | 核工业理化工程研究院 | Vibration measurement device based on series connection of three speed-measuring coils |
| CN203326820U (en) * | 2013-06-07 | 2013-12-04 | 常州银球环州机电有限公司 | Stator structure of speed measurement sensor |
| CN104029040A (en) * | 2014-06-18 | 2014-09-10 | 中核(天津)科技发展有限公司 | Clamping device for needle shaft type parts |
| CN204103680U (en) * | 2014-10-24 | 2015-01-14 | 慈溪市九菱电器有限公司 | The pin configuration of claw-pole permanent magnet synchronous motor coil |
| CN204479098U (en) * | 2015-02-16 | 2015-07-15 | 核工业理化工程研究院 | A kind of tachogenerator improving measurement rotating machinery amplitude accuracy |
Non-Patent Citations (1)
| Title |
|---|
| 杨天明等: "《电机绕组维修技术》", 30 June 2006 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487468A (en) * | 2020-10-27 | 2022-05-13 | 核工业理化工程研究院 | Measuring device for high-speed rotating mechanical equipment and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104977423B (en) | A kind of magnetoelectric tachometric transducer | |
| CN108037307B (en) | Three-redundancy rotating speed measuring device based on magnetoelectric principle | |
| CN108919117B (en) | Equipment for testing permanent magnet rotor magnetic steel and method for testing rotor magnetic steel | |
| CN104568020A (en) | Speed measurement sensor for improving amplitude measurement precision of rotating mechanical equipment | |
| CN204479098U (en) | A kind of tachogenerator improving measurement rotating machinery amplitude accuracy | |
| JP5851049B2 (en) | Rotor flux density scanning method and tool for digital linear actuator | |
| CN102645157B (en) | Eddy current detection probe | |
| CN207197432U (en) | Eddy current effect thickness transducer | |
| CN204740284U (en) | Hall current sensor | |
| KR101607025B1 (en) | Fulxgate current sensing unit | |
| CN110375638A (en) | A kind of radial deformation measuring device based on LVDT sensor | |
| CN206670527U (en) | Rotor axial direction clearance measurement frock | |
| CN203774077U (en) | Flange and rotation transformer assembly | |
| CN106441954A (en) | Magnetic suction type test head | |
| CN103149440A (en) | Non-contact type concrete resistivity testing instrument | |
| CN206725618U (en) | A kind of magnet spring probe peculiar to vessel | |
| CN103162808B (en) | Vibration measurement device based on series connection of three speed-measuring coils | |
| CN206440218U (en) | Magneto trigger gap special gauge | |
| CN205751846U (en) | A kind of shield winding structure for current transformer | |
| CN205608025U (en) | Sleeve pipe end screen testing terminal structure | |
| CN205748247U (en) | A kind of CMPS Camshaft Position Sensor | |
| CN116659650B (en) | Mechanical vibration measuring device for electrical engineering | |
| CN215910510U (en) | Rotating speed detection device for vehicle and vehicle with same | |
| CN115313749B (en) | Flywheel energy storage device | |
| CN208432572U (en) | Novel double magnetic rotation probes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
|
| RJ01 | Rejection of invention patent application after publication |