CN103344262A - Rotating self-powered magnetoelectricity type multi-coil absolute value encoder based on Wiegand effect - Google Patents
Rotating self-powered magnetoelectricity type multi-coil absolute value encoder based on Wiegand effect Download PDFInfo
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- CN103344262A CN103344262A CN2013102669858A CN201310266985A CN103344262A CN 103344262 A CN103344262 A CN 103344262A CN 2013102669858 A CN2013102669858 A CN 2013102669858A CN 201310266985 A CN201310266985 A CN 201310266985A CN 103344262 A CN103344262 A CN 103344262A
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Abstract
A rotating self-powered magnetoelectricity type multi-coil absolute value encoder based on a Wiegand effect comprises a shell body, wherein a fixing frame is arranged inside the shell body, two pieces of magnet steel are fixed on the fixing frame, the fixing frame is connected with a rotating shaft, and a circuit board is located on the magnet steel. The two pieces of magnet steel are magnetized in thickness, the N magnetic pole of one piece of magnet steel is placed upwards, and the S magnetic pole of the other piece of magnet steel is placed upwards. A Wiegand sensor has the electricity generation function and is adopted to provide a power source for the encoder. By the adoption of the technical scheme, a battery does not need to be additionally arranged, the electricity is generated only when the rotating shaft is rotated, and meanwhile a voltage pulse can serve as a directional indicator of magnetic pole changes. Compared with a mechanical absolute value encoder, the rotating self-powered magnetoelectricity type multi-coil absolute value encoder is simple in structure, free of abrasion on a gear, small in resistance to motion, and low in cost. Due to the fact that the rotating self-powered magnetoelectricity type multi-coil absolute value encoder does not depend on the battery, the multi-coil absolute value encoder is free of chemical corrosion, pollution to the environment, self discharge and maintenance, and long in service life.
Description
Technical field
The present invention relates to a kind of absolute value encoder, be specifically related to a kind of rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect.
Background technology
Whether the multi-turn absolute value encoder is by using battery to divide, generally can be divided into two kinds, a kind of is scrambler with the no battery of gear counting, it is characterized in that: the inner no battery of scrambler, adopt physical construction such as gear to record mechanical location, the gamut mechanical location is absolute, with whether power irrelevant, structure more complicated, cost are also higher; Another kind is the scrambler that adopts battery to record to count, feature is: comprise battery in the scrambler, when scrambler does not have power supply, adopt internal cell to power to record mechanical location, absolute value in the individual pen is worked as running down of battery, then encoder data is lost, this coder structure is simple relatively, and cost is also lower, but battery life is limited, change trouble.
Summary of the invention
At the deficiencies in the prior art, the purpose of this invention is to provide a kind ofly based on Wei root effect, do not need the rotation self-powered magneto-electric multi-turn absolute value encoder of external cell.
The object of the present invention is achieved like this: a kind of rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect, comprise housing, be provided with fixed mount in housing, two blocks of magnet steel are fixed on the fixed mount, fixed mount is connected with rotating shaft, and circuit board is positioned at the magnet steel top.
Described two blocks of magnet steel are thickness and magnetize, and the N magnetic pole of a slice magnet steel is upwards placed, and the S magnetic pole of another sheet magnet steel is upwards placed.
Further, Wei root sensor, interface circuit are positioned at the one side of circuit board, and Hall angular position sensor, fpga chip, ferroelectric memory, single-chip microcomputer are positioned at the another side of circuit board.
In the described circuit board, comprise the rectification filtering voltage stabilizing circuit and the shaping circuit that are connected with Wei root sensor, shaping circuit is connected with ferroelectric memory with fpga chip respectively; The power supply of rectification filtering voltage stabilizing circuit outputs to shaping circuit, fpga chip and ferroelectric memory; Ferroelectric memory is connected with machine, and single-chip microcomputer is connected with interface circuit with the Hall angular position sensor respectively with respectively; Second mu balanced circuit is connected with ferroelectric memory, single-chip microcomputer, interface circuit and Hall angular position sensor respectively.
Rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect provided by the invention, the electricity generate function that has utilized Wei root sensor to have provides power supply for scrambler, adopt the technical program, need not to add packed battery, as long as rotating shaft is rotated, just can produce electric energy, and potential pulse can also be indicated as the direction that magnetic pole changes.With respect to the mechanical type absolute value encoder, the present invention is simple in structure, the gearless wearing and tearing, and the resistance of motion is little, and cost is low.Owing to do not rely on battery, no chemical corrosion and contaminated environment, no self discharge, Maintenance free, long service life.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention.
Fig. 2 is stereographic map of the present invention.
Fig. 3 is circuit board of the present invention top synoptic diagram.
Fig. 4 is circuit board of the present invention bottom synoptic diagram.
Fig. 5 is circuit theory diagrams of the present invention.
Embodiment
Structure of the present invention is shown in Fig. 1-4: a kind of rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect, comprise housing 5, in housing 5, be provided with 2, two blocks of magnet steel 1 of fixed mount and be fixed on the fixed mount 2, fixed mount 2 is connected with rotating shaft 3, and circuit board 4 is positioned at magnet steel 1 top.Described two blocks of magnet steel 1 are thickness and magnetize, and the N magnetic pole of a slice magnet steel 1 is upwards placed, and the S magnetic pole of another sheet magnet steel 1 is upwards placed.
Wei root sensor 6 of the present invention, interface circuit 11 are positioned at the one side of circuit board 4, and Hall angular position sensor 7, fpga chip 8, ferroelectric memory 9, single-chip microcomputer 10 are positioned at the another side of circuit board 4.
Fpga chip 8 can be selected ACTEL A3PN010 or other similar chips for use; Single-chip microcomputer 10 can be selected ATMEL MEGA88PA or other similar single-chip microcomputers for use.
Comprise rectification filtering voltage stabilizing circuit and the shaping circuit that is connected with Wei root sensor 6 on the circuit board 4 of the present invention, shaping circuit is connected with ferroelectric memory 9 with fpga chip 8 respectively; The power supply of rectification filtering voltage stabilizing circuit outputs to shaping circuit, fpga chip 8 and ferroelectric memory 9; Ferroelectric memory 9 is connected with machine 10, and single-chip microcomputer 10 is connected with interface circuit 11 with Hall angular position sensor 7 respectively with respectively; Second mu balanced circuit is connected with ferroelectric memory 9, single-chip microcomputer 10, interface circuit 11 and Hall angular position sensor 7 respectively.
Principle of work of the present invention is as follows:
Wei root sensor 6 is the magneto-dependent sensors that utilize Wei root effect to develop, Wei root sensor 6 is fixed on the circuit board 4, the distance suitable apart from magnet steel 1, according to Wei root sensor characteristic and magnet steel intensity difference, need between 1-20mm, finely tune, when 1 rotation of drive magnet steel is rotated in rotating shaft 3, Wei root sensor 6 outer alternating magnetic fields will change, when effect on the alloy silk of Wei root sensor 6 inside has suitable external magnetic field, inner core magnetization saltus step, magnetic test coil just can be exported the induced potential pulse, even also can produce reliable signal under close to zero situation of slowly rotating, rotating shaft 3 whenever rotates a circle, Wei root sensor 6 exportable two pulse signals, according to the phase place difference of pulse signal, the distinguishable direction that goes out rotating shaft 3 rotations.This pulse is after overcommutation, filtering, voltage stabilizing, out-put supply 1 does the power supply supply for the components and parts on the circuit board 4 on the one hand, this pulse is through after the shaping circuit on the other hand, insert fpga chip 8, indicate as the scrambler sense of rotation, fpga chip 8 counts rotating shaft 3 rotating cycles in the FeRAM memory chip 9 according to the sense of rotation of pulse judgement rotating shaft.
Hall angular position sensor 7 is arranged in magnet steel 1 formed magnetic circuit, and it can induce the absolute angular position in the 0-360 degree scope by the magnetic field parallel with chip surface, and Hall angular position sensor chip 7 is connected with single-chip microcomputer 10.Hall angular position sensor 7 is positioned at the ad-hoc location of circuit board (according to chip type selecting difference, may or be parallel to Wei root sensor 6 perpendicular to Wei root sensor 6, in the time of Hall angular position sensor 7 outputs 0 degree, Wei root sensor 6 just in time can be exported a pulse, increases or reduce the usefulness of counting as rotating cycle.
After scrambler is connected external power source, the second mu balanced circuit work, out-put supply 2, single-chip microcomputer 10 is started working, and reads the number of turns that records in the storage chip 9, and reads the angle value of Hall angular position sensor chip 7, by calculating, can obtain the absolute value of rotating shaft 3 mechanical locations, through interface circuit 11, accept the visit of external communication circuit.
Claims (4)
1. rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect, comprise housing (5), it is characterized in that: in housing (5), be provided with fixed mount (2), two blocks of magnet steel (1) are fixed on the fixed mount (2), fixed mount (2) is connected with rotating shaft (3), and circuit board (4) is positioned at magnet steel (1) top.
2. the rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect according to claim 1, it is characterized in that: described two blocks of magnet steel (1) are thickness and magnetize, the N magnetic pole of a slice magnet steel (1) is upwards placed, and the S magnetic pole of another sheet magnet steel (1) is upwards placed.
3. the rotation self-powered magneto-electric multi-turn absolute value encoder based on Wei root effect according to claim 1, it is characterized in that: Wei root sensor (6), interface circuit (11) are positioned at the one side of circuit board (4), and Hall angular position sensor (7), fpga chip (8), ferroelectric memory (9), single-chip microcomputer (10) are positioned at the another side of circuit board (4).
4. according to claim 1 or 4 described rotation self-powered magneto-electric multi-turn absolute value encoders based on Wei root effect, it is characterized in that: in the described circuit board (4), comprise the rectification filtering voltage stabilizing circuit and the shaping circuit that are connected with Wei root sensor (6), shaping circuit is connected with ferroelectric memory (9) with fpga chip (8) respectively; The power supply of rectification filtering voltage stabilizing circuit outputs to shaping circuit, fpga chip (8) and ferroelectric memory (9); Ferroelectric memory (9) is connected with machine (10), and single-chip microcomputer (10) is connected with interface circuit (11) with Hall angular position sensor (7) respectively with respectively; Second mu balanced circuit is connected with ferroelectric memory (9), single-chip microcomputer (10), interface circuit (11) and Hall angular position sensor (7) respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310266985.8A CN103344262B (en) | 2013-06-29 | 2013-06-29 | Based on Wiegand effect rotate from power magnetoelectricity type multi-coil absolute value encoder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310266985.8A CN103344262B (en) | 2013-06-29 | 2013-06-29 | Based on Wiegand effect rotate from power magnetoelectricity type multi-coil absolute value encoder |
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| CN103344262A true CN103344262A (en) | 2013-10-09 |
| CN103344262B CN103344262B (en) | 2016-09-28 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197965A (en) * | 2014-09-25 | 2014-12-10 | 南京埃斯顿自动化股份有限公司 | Multiturn rotary transformer |
| CN105783946A (en) * | 2014-12-26 | 2016-07-20 | 台达电子工业股份有限公司 | Self-generating absolute encoding device |
| CN107168160A (en) * | 2017-05-24 | 2017-09-15 | 广东盈动高科自动化有限公司 | Multi-turn method of counting and multi-turn counting device based on Wiegand sensor |
| CN107425671A (en) * | 2016-05-23 | 2017-12-01 | 西门子公司 | Encoder and motor |
| CN107650141A (en) * | 2017-03-02 | 2018-02-02 | 北京军立方机器人科技有限公司 | A kind of joint of mechanical arm |
| CN109791056A (en) * | 2016-04-08 | 2019-05-21 | 托马斯·泰尔 | Wiegand wire arrangement and its manufacturing method |
| CN111457946A (en) * | 2020-05-21 | 2020-07-28 | 哈尔滨理工大学 | Self-generating magnetoelectric encoder |
| CN113518898A (en) * | 2019-03-06 | 2021-10-19 | 西门子股份公司 | Holding device for rotary encoder |
| CN114424033A (en) * | 2019-09-19 | 2022-04-29 | 弗瑞柏私人有限公司 | Sensor network device |
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| CA2819341A1 (en) * | 2011-01-06 | 2012-07-12 | Walter Mehnert | Method and apparatus for determining the mass of a fluid flowing through a flow rate meter in a consumption time interval |
| CN203364848U (en) * | 2013-06-29 | 2013-12-25 | 宜昌盛开特电气有限公司 | Rotary self-power magneto-electric multi-ring absolute value encoder based on Wiegand effect |
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| CN101832789A (en) * | 2009-02-24 | 2010-09-15 | W·梅纳特 | The absolute type magnetic positioner |
| CA2819341A1 (en) * | 2011-01-06 | 2012-07-12 | Walter Mehnert | Method and apparatus for determining the mass of a fluid flowing through a flow rate meter in a consumption time interval |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197965A (en) * | 2014-09-25 | 2014-12-10 | 南京埃斯顿自动化股份有限公司 | Multiturn rotary transformer |
| CN105783946A (en) * | 2014-12-26 | 2016-07-20 | 台达电子工业股份有限公司 | Self-generating absolute encoding device |
| CN109791056A (en) * | 2016-04-08 | 2019-05-21 | 托马斯·泰尔 | Wiegand wire arrangement and its manufacturing method |
| CN107425671A (en) * | 2016-05-23 | 2017-12-01 | 西门子公司 | Encoder and motor |
| CN107650141A (en) * | 2017-03-02 | 2018-02-02 | 北京军立方机器人科技有限公司 | A kind of joint of mechanical arm |
| CN107168160A (en) * | 2017-05-24 | 2017-09-15 | 广东盈动高科自动化有限公司 | Multi-turn method of counting and multi-turn counting device based on Wiegand sensor |
| CN107168160B (en) * | 2017-05-24 | 2019-04-26 | 广东盈动高科自动化有限公司 | Multi-turn method of counting and multi-turn counting device based on Wiegand sensor |
| CN113518898A (en) * | 2019-03-06 | 2021-10-19 | 西门子股份公司 | Holding device for rotary encoder |
| US11946778B2 (en) | 2019-03-06 | 2024-04-02 | Siemens Aktiengesellschaft | Retaining device for a rotary encoder |
| CN114424033A (en) * | 2019-09-19 | 2022-04-29 | 弗瑞柏私人有限公司 | Sensor network device |
| CN111457946A (en) * | 2020-05-21 | 2020-07-28 | 哈尔滨理工大学 | Self-generating magnetoelectric encoder |
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| CN103344262B (en) | 2016-09-28 |
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Effective date of registration: 20200714 Address after: 443000 No.33 Dalian Road, Yichang District, China (Hubei) free trade zone, Yichang City, Hubei Province Patentee after: Hubei Yingfang Technology Co., Ltd Address before: 443005 No. 8, Zhuhai Road, Dongshan Development Zone, Hubei, Yichang Patentee before: YICHANG SENCAT ELECTRIC Co.,Ltd. |