CN2182497Y - Magnetic inductive coder - Google Patents
Magnetic inductive coder Download PDFInfo
- Publication number
- CN2182497Y CN2182497Y CN 94201619 CN94201619U CN2182497Y CN 2182497 Y CN2182497 Y CN 2182497Y CN 94201619 CN94201619 CN 94201619 CN 94201619 U CN94201619 U CN 94201619U CN 2182497 Y CN2182497 Y CN 2182497Y
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnet
- magneto sensor
- conductive disk
- magnetic conductor
- 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
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a magnetic inductive coder which is a magnetoelectric coder. The utility model is composed of a magnetic inductive disc, an integrated magnetoelectric transducer and a shafting. The utility model has the advantages of reasonable structure, simple manufacturing process, higher definition, low cost, high reliability, high durability and high firmness. The utility model can be suitable for the working under the rugged environment, and can be widely used for the automatic detection and the automatic control.
Description
The utility model is a kind of magnetism encoder that is used for detection automatically and control.
In existing magnetism encoder, the disk manufacturing process complexity of magnetic-grid-type encoder, cost height; Though the manufacturing process of hertz oscilltor formula encoder is simple, resolution is not high, current detect automatically and control in to be badly in need of a kind of manufacturing process easy, and the higher magnetism encoder of resolution.
The utility model is at the problems referred to above magnetic conductive disk, integrated magnetoelectric transducer to be formed magnetic conduction formula encoder with axle system, can satisfy the urgent need in automatic detection and the control.
The technical solution of the utility model is: axle constitutes rotatable shaft system with support; Constitute magnetic conductive disk at a plurality of magnetic conductors of the even setting-in of the periphery of code-disc frame, at regular intervals between each magnetic conductor, magnetic conductive disk is fixed on the axle; Magneto sensor, magnet, pulse width modulator and amplification trim panel are loaded on the support, constitute integrated magnetoelectric transducer, wherein, magnet and pulse width modulator are sub-packed in the magneto sensor both sides, at regular intervals each other, spacing between pulse width modulator and the magneto sensor is adjustable, and the spacing between magnet and the magneto sensor is greater than the length of magnetic conductor on the magnetic conductive disk, and integrated magnetoelectric transducer is loaded on the support.When axle rotates, magnetic conductive disk also rotates synchronously, magnetic conductor on the magnetic conductive disk passes through in the space of magnet and magneto sensor successively, make the variation of the magnetic flux generating period that acts on the magneto sensor, this variable quantity is through the conversion process of magneto sensor and amplification trim panel, form corresponding electric impulse signal, this signal is promptly as the output of magnetic conduction formula encoder.
Below in conjunction with accompanying drawing the utility model is described further.Accompanying drawing is a kind of principle schematic of typical magnetic conduction formula encoder.Among the figure, axle (1) constitutes rotatable shaft system with support (2), the code-disc frame of being made by non-magnet material (3) and the periphery evenly magnetic conductor (5) of setting-in constitute magnetic conductive disk, the number of magnetic conductor (5) can be a plurality of, at regular intervals each other, magnetic conductor (5) can be sheet or Cylinder, and the axis of the axis of magnetic conductive disk and axle (1) is fixed magnetic conductive disk and axle (1) under the condition that satisfies the axiality requirement.Magnet (4), magneto sensor (7) and amplification trim panel (9) all are fixed on the support (6), spacing between magnet (4) and magneto sensor (7) should be greater than the length of magnetic conductor on the magnetic conductive disk (5), it is general when magnetic conductor (5) is positioned between magnet (4) and the magneto sensor (7), magnetic conductor (5) has 0.03～3 mm clearance respectively with magnet (4) and magneto sensor (7), gap length is determined by magnetic Circuit Design, pulse width modulator (8) is loaded on the support (6), distance between itself and magneto sensor (7) is adjustable, wants fix tightly when being transferred to the pulse duration of requirement.The output of magneto sensor (7) is joined with the input of amplifying trim panel (9).Magnet (4) is identical with the transverse shape of magnetic conductor (5), to reduce magnetic disturbance.Magnet (4) is permanent magnet, and magnet (4), magneto sensor (7), amplification trim panel (9), pulse width modulator (8) all are fixed on the support (6), constitute integrated magnetoelectric transducer.Integrated magnetoelectric transducer is loaded on the support (2), adjust its position, make when magnetic conductive disk rotates with axle (1), each magnetic conductor (5) all can pass through the space between magnet (4) and magneto sensor (7) smoothly, change the magnetic flux that passes magneto sensor (7), through the conversion modulation treatment of magneto sensor (7), pulse width modulator (8) and amplification trim panel (9), form corresponding electric impulse signal output.
Be illustrated as the magnetic conduction formula encoder of one road signal output, if want two the road or multiple signals output, need only be along magnetic conductive disk garden week two or more integrated magnetoelectric transducers of direction device, at regular intervals between each integrated magnetoelectric transducer, distance values is determining the phase difference between each road signal.
The utility model is rational in infrastructure, technology is easy, resolution is higher, cost is low, reliable, firm, durable, be adapted under the rugged environment work.
Claims (2)
1, magnetic conduction formula encoder of forming by magnetic conductive disk, integrated magnetoelectric transducer and rotatable shaft system, it is characterized in that the code-disc frame (3) made by non-magnet material and periphery evenly the magnetic conductor (5) of setting-in constitute magnetic conductive disk, the axis of magnetic conductive disk is fixing with magnetic conductive disk and axle (1) under the condition that satisfies the axiality requirement with the axis of axle (1), be loaded on the support (6) by magnet (4), magneto sensor (7), pulse width modulator (8), amplification trim panel (9), constitute integrated magnetoelectric transducer, integrated magnetoelectric transducer is fixed on the casing (2).
2, the magnetic conduction formula encoder of claim 1 regulation, it is characterized in that spacing between magnet (4) and magneto sensor (7) is greater than the length of magnetic conductor on the magnetic conductive disk (5), when magnetic conductor (5) is positioned between magnet (4) and the magneto sensor (7), magnetic conductor (5) has 0.03～3 mm clearance respectively with magnet (4) and magneto sensor (7), magnetic conductor (5) is sheet or Cylinder, magnet (4) is identical with the transverse shape of magnetic conductor (5), and the distance between pulse width modulator (8) and magneto sensor (7) is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94201619 CN2182497Y (en) | 1994-01-22 | 1994-01-22 | Magnetic inductive coder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94201619 CN2182497Y (en) | 1994-01-22 | 1994-01-22 | Magnetic inductive coder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2182497Y true CN2182497Y (en) | 1994-11-09 |
Family
ID=33821612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94201619 Expired - Fee Related CN2182497Y (en) | 1994-01-22 | 1994-01-22 | Magnetic inductive coder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2182497Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124573A1 (en) * | 2009-04-30 | 2010-11-04 | 浙江关西电机有限公司 | Magnetically conductive ring |
| CN106052723A (en) * | 2016-06-01 | 2016-10-26 | 江苏森尼克电子科技有限公司 | Magnetic encoder, magnetic code disc thereof and magnetic code disc manufacturing method |
-
1994
- 1994-01-22 CN CN 94201619 patent/CN2182497Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010124573A1 (en) * | 2009-04-30 | 2010-11-04 | 浙江关西电机有限公司 | Magnetically conductive ring |
| CN106052723A (en) * | 2016-06-01 | 2016-10-26 | 江苏森尼克电子科技有限公司 | Magnetic encoder, magnetic code disc thereof and magnetic code disc manufacturing method |
| CN106052723B (en) * | 2016-06-01 | 2019-12-27 | 江苏森尼克电子科技有限公司 | Magnetic encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Jie Document name: payment instructions |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhu Jie Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |