CN202074982U - Magneto-electric multi-loop angular displacement absolute encoder - Google Patents
Magneto-electric multi-loop angular displacement absolute encoder Download PDFInfo
- Publication number
- CN202074982U CN202074982U CN2011201553598U CN201120155359U CN202074982U CN 202074982 U CN202074982 U CN 202074982U CN 2011201553598 U CN2011201553598 U CN 2011201553598U CN 201120155359 U CN201120155359 U CN 201120155359U CN 202074982 U CN202074982 U CN 202074982U
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- gear
- gear shaft
- casing
- angular displacement
- magneto
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A magneto-electric multi-loop angular displacement absolute encoder comprises a housing and a casing, wherein the housing and the casing are mutually connected. A driving gear shaft, a first gear shaft, a second gear shaft and are disposed in the casing. The other end of the first gear shaft and the other end of the second gear shaft extend into the housing, and are provided with magnetic steels. A circuit board is arranged in the housing. One end of the circuit board is connected with a shield board, and the other end of the circuit board is connected with a casing cover. The circuit board is provided with integrated sensor chips mated with the magnetic steels. The driving gear shaft is provided with a driving wheel. The first gear shaft is provided with a first upper gear, a first central gear and a first lower gear. The second gear shaft is provided with a second upper gear and a second lower gear. The magneto-electric multi-loop angular displacement absolute encoder is high in measuring precision, long in the service life, stable in transmission and can be used for measuring the multi-loop angular displacement.
Description
Technical field
The utility model relates to a kind of absolute encoder, relates in particular to a kind of magneto-electric multi-turn angular displacement absolute encoder, specifically is applicable to the measurement of high precision, multi-turn angular displacement.
Background technology
At present, in the modern electro-mechanical system, usually need the mechanical motion signal is converted into electric signal, thereby finish work such as mechanical system measurement, quantification, controls, especially maximum with the use of absolute encoder.
The Chinese patent Granted publication number is CN201608084U, Granted publication day is that the utility model patent on October 13rd, 2010 discloses a kind of perforation axle absolute rotary encoder, relate to the rotation absolute type encoder, comprise the shell, Location resilient piece, fluctuation dish assembly and the pedestal that are provided with one heart successively from top to bottom; Contact chip as the circuitous pattern that forms coded signal is made by the punching press of five metals sheet, and contact chip is plastic in the fluctuation dish, and the contact chip that the lower surface of fluctuation dish is exposed on the surface contacts with brush, forms coded signal and exports from terminal; The fastening shell that is riveted on of described Location resilient piece.Though it has improved the accuracy of coded signal, its signals collecting mode is still the brush contact, and not only measuring accuracy is lower, and the brush that can wear and tear in using, and reduces its serviceable life.
Summary of the invention
The purpose of this utility model is to overcome defective and the problem that the measuring accuracy that exists in the prior art is lower, serviceable life is short, and the magneto-electric multi-turn angular displacement absolute encoder that a kind of measuring accuracy is higher, serviceable life is long is provided.
For realizing above purpose, technical solution of the present utility model is: a kind of magneto-electric multi-turn angular displacement absolute encoder, comprise interconnective shell and casing, the inside of described casing is provided with gear shaft, the other end of gear shaft extends to the inside of shell, be provided with circuit board in the shell, an end of circuit board is connected with barricade, and the other end is connected with case lid; The other end of described gear shaft is provided with magnet steel, and the integrated form sensor chip that is provided with on magnet steel and the circuit board matches.
The quantity of described gear shaft is two, is respectively a gear shaft and No. two gear shafts, and the other end of a gear shaft, No. two gear shafts is provided with magnet steel; The inside of described casing also is provided with gear shaft, and an end of gear shaft extends to the outside of casing, and the other end extends to the inside of shell, and is provided with driven wheel at the position of nearly casing; A described gear shaft is provided with and cogs for No. one, a middle gear and a lower gear, No. two gear shafts are provided with No. two and cog and No. two lower gears, driven wheel is meshed with a lower gear, the other end of a lower gear is meshed with No. two lower gears, the other end of No. two lower gears is meshed with a middle gear, the other end of a middle gear is meshed with cogging for No. two, and the other end that cogs for No. two is meshed with cogging for No. one.
The outside of described gear shaft, a gear shaft, No. two gear shafts is provided with axle sleeve, and the outer setting of axle sleeve has bearing, and the position of bearing upper support gear shaft, a gear shaft, No. two gear shafts is provided with circlip for shaft.
Compared with prior art, the beneficial effects of the utility model are:
1, owing to be provided with gear shaft in the inside of shell in a kind of magneto-electric multi-turn of the utility model angular displacement absolute encoder, the other end of gear shaft is provided with magnet steel, the integrated form sensor chip that is provided with on magnet steel and the circuit board matches, during use, magnet steel and integrated form sensor chip are the noncontact setting, not only measuring accuracy is higher, and there are not machinery wearing and tearing, serviceable life is longer, when the quantity of especially preferred gear shaft is two, the other end of each gear shaft is provided with magnet steel, the quantity of magnet steel is two, integrated form sensor chip corresponding with it is separately positioned on the two ends of barricade, not only can the phase mutual interference, and can further improve measuring accuracy and acuity.Therefore not only measuring accuracy is higher for the utility model, and serviceable life is longer.
2, owing to comprise gear shaft and gear shaft in a kind of magneto-electric multi-turn of the utility model angular displacement absolute encoder, and be provided with gear on gear shaft and the gear shaft, during use, gear shaft and gear shaft are carried out mutual power transmission by the gear that is provided with on it, the magnetic signal that changes until magnet steel, not only power transmission is stable, and can make the integrated form sensor chip carry out the multi-turn angle displacement measurement, when the quantity of especially preferred gear shaft is two, then being provided with No. one on the gear shaft cogs, a middle gear and a lower gear, then being provided with No. two on No. two gear shafts cogs and No. two lower gears, this moment, not only transmission effect was better, and the angle that the integrated form sensor chip is measured is abundanter.Therefore the utility model can carry out the multi-turn angle displacement measurement.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: shell 1, casing 2,3, numbers gear shafts 31 of gear shaft, 313, No. two gear shafts 32 of 312, numbers lower gears of 311, numbers middle gears cog for No. one, the lower gear 322 that cogs for No. two 321, No. two, circuit board 4, barricade 5, case lid 6, magnet steel 7, integrated form sensor chip 71, gear shaft 8, driven wheel 9, axle sleeve 10, bearing 11, circlip for shaft 12.
Embodiment
Below in conjunction with description of drawings and embodiment the utility model is described in further detail
Referring to Fig. 1, a kind of magneto-electric multi-turn angular displacement absolute encoder, comprise interconnective shell 1 and casing 2, the inside of described casing 2 is provided with gear shaft 3, the other end of gear shaft 3 extends to the inside of shell 1, be provided with circuit board 4 in the shell 1, an end of circuit board 4 is connected with barricade 5, and the other end is connected with case lid 6; The other end of described gear shaft 3 is provided with magnet steel 7, and the integrated form sensor chip 71 that is provided with on magnet steel 7 and the circuit board 4 matches.Magnet steel 7 is the noncontact setting with cooperating of integrated form sensor chip 71, and not only measuring accuracy is higher, and does not have the machinery wearing and tearing, and serviceable life is longer.
The quantity of preferred gear shaft 3 is two, and the other end that is respectively a gear shaft 31 and 32, numbers gear shafts of No. two gear shafts 31, No. two gear shafts 32 is provided with magnet steel 7; The inside of described casing 2 also is provided with gear shaft 8, and an end of gear shaft 8 extends to the outside of casing 2, and the other end extends to the inside of shell 1, and is provided with driven wheel 9 at the position of nearly casing 2; A described gear shaft 31 is provided with cog 311, middle gears 312 and a lower gear 313 No. one, No. two gear shaft 32 is provided with the lower gear 322 that cogs 321 and No. two No. two, driven wheel 9 is meshed with a lower gear 313, the other end of a lower gear 313 is meshed with No. two lower gears 322, the other end of No. two lower gears 322 is meshed with a middle gear 312, the other end of a middle gear 312 321 is meshed with cogging for No. two, and 321 the other end of cogging for No. two 311 is meshed with cogging for No. one.The kind of drive of a plurality of gear interlocks can make integrated form sensor chip 71 carry out the measurement of multi-turn angular displacement.
The outside of further preferred gear shaft 8, gear shaft 31, No. two gear shafts 32 is provided with axle sleeve 10, the outer setting of axle sleeve 10 has bearing 11, and the position of bearing 11 upper support gear shaft 8, gear shaft 31, No. two gear shafts 32 is provided with circlip for shaft 12.Axle sleeve 10, bearing 11 can improve the efficient and the reliability of the operation of this device with circlip for shaft 12.
During use, cooperate with the noncontact of integrated form sensor chip 71 by magnet steel 7 and to measure, simultaneously, adopt gear-driven mode to transmit power, the magnetic signal that this kind kind of drive not only can make magnet steel 7 change, and can make integrated form sensor chip 71 carry out the measurement of multi-turn angular displacement.
Therefore not only measuring accuracy is higher for the utility model, serviceable life is longer, and transmits steadily, can carry out the multi-turn angle displacement measurement.
The above only is a better embodiment of the present utility model; protection domain of the present utility model does not exceed with above-mentioned embodiment; as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection domain of putting down in writing in claims.
Claims (3)
1. magneto-electric multi-turn angular displacement absolute encoder, comprise interconnective shell (1) and casing (2), the inside of described casing (2) is provided with gear shaft (3), the other end of gear shaft (3) extends to the inside of shell (1), be provided with circuit board (4) in the shell (1), one end of circuit board (4) is connected with barricade (5), the other end is connected with case lid (6), it is characterized in that: the other end of described gear shaft (3) is provided with magnet steel (7), and magnet steel (7) is gone up the integrated form sensor chip (71) that is provided with circuit board (4) and matched.
2. a kind of magneto-electric multi-turn angular displacement absolute encoder according to claim 1, it is characterized in that: the quantity of described gear shaft (3) is two, be respectively a gear shaft (31) and No. two gear shafts (32), the other end of a gear shaft (31), No. two gear shafts (32) is provided with magnet steel (7); The inside of described casing (2) also is provided with gear shaft (8), and an end of gear shaft (8) extends to the outside of casing (2), and the other end extends to the inside of shell (1), and is provided with driven wheel (9) at the position of nearly casing (2); A described gear shaft (31) is provided with cog (311) No. one, a middle gear (312) and a lower gear (313), No. two gear shafts (32) are provided with cog (321) and No. two lower gears (322) No. two, driven wheel (9) is meshed with a lower gear (313), the other end of a lower gear (313) is meshed with No. two lower gears (322), the other end of No. two lower gears (322) is meshed with a middle gear (312), the other end of a middle gear (312) is meshed with No. two cog (321), and the other end of No. two cog (321) is meshed with No. one cog (311).
3. a kind of magneto-electric multi-turn angular displacement absolute encoder according to claim 2, it is characterized in that: the outside of described gear shaft (8), a gear shaft (31), No. two gear shafts (32) is provided with axle sleeve (10), the outer setting of axle sleeve (10) has bearing (11), and the position of bearing (11) upper support gear shaft (8), a gear shaft (31), No. two gear shafts (32) is provided with circlip for shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201553598U CN202074982U (en) | 2011-01-20 | 2011-05-16 | Magneto-electric multi-loop angular displacement absolute encoder |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120017280.9 | 2011-01-20 | ||
| CN201120017280 | 2011-01-20 | ||
| CN2011201553598U CN202074982U (en) | 2011-01-20 | 2011-05-16 | Magneto-electric multi-loop angular displacement absolute encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202074982U true CN202074982U (en) | 2011-12-14 |
Family
ID=45051967
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201553598U Expired - Fee Related CN202074982U (en) | 2011-01-20 | 2011-05-16 | Magneto-electric multi-loop angular displacement absolute encoder |
| CN2011101258676A Pending CN102269597A (en) | 2011-01-20 | 2011-05-16 | Magnetoelectric multi-ring angular displacement absolute encoder |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101258676A Pending CN102269597A (en) | 2011-01-20 | 2011-05-16 | Magnetoelectric multi-ring angular displacement absolute encoder |
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| CN (2) | CN202074982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269597A (en) * | 2011-01-20 | 2011-12-07 | 苏州博睿测控设备有限公司 | Magnetoelectric multi-ring angular displacement absolute encoder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8587395B2 (en) * | 2012-04-03 | 2013-11-19 | Exelis, Inc. | Rotary encoder switch with pull function tactile feedback and positive stop |
| CN108844453A (en) * | 2018-06-06 | 2018-11-20 | 苏州博睿测控设备有限公司 | A kind of magnetoelectric multi-turn angular displacement absolute encoder |
| CN112461119B (en) * | 2020-11-03 | 2022-06-28 | 中国空空导弹研究院 | High-precision multi-coil magnetoelectric absolute value angle sensor and implementation method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10158223B4 (en) * | 2001-11-16 | 2017-10-05 | Dr. Johannes Heidenhain Gmbh | Rotation angle meter |
| JP2004271427A (en) * | 2003-03-11 | 2004-09-30 | Matsushita Electric Ind Co Ltd | Rotation angle detector |
| CN1731099A (en) * | 2004-09-27 | 2006-02-08 | 中国科学院长春光学精密机械与物理研究所 | The circle scrambler is surveyed in a kind of absolute type three-shaft linkage angle measurement |
| JP2007078459A (en) * | 2005-09-13 | 2007-03-29 | Yaskawa Electric Corp | Multiple rotation type absolute value encoder and rotary machine |
| CN101493342A (en) * | 2008-01-22 | 2009-07-29 | 上海精浦机电有限公司 | Electromagnetical multi-circle absolute value encoder |
| CN101576396A (en) * | 2008-06-02 | 2009-11-11 | 上海源致信息技术有限公司 | Absolute magnetic-electric rotary encoder with low cost, high accuracy and multiple circles |
| CN201382787Y (en) * | 2009-03-31 | 2010-01-13 | 苏州博睿测控设备有限公司 | Absolute encoder for multiple rotation type angular displacement signal acquisition |
| CN202074982U (en) * | 2011-01-20 | 2011-12-14 | 苏州博睿测控设备有限公司 | Magneto-electric multi-loop angular displacement absolute encoder |
-
2011
- 2011-05-16 CN CN2011201553598U patent/CN202074982U/en not_active Expired - Fee Related
- 2011-05-16 CN CN2011101258676A patent/CN102269597A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269597A (en) * | 2011-01-20 | 2011-12-07 | 苏州博睿测控设备有限公司 | Magnetoelectric multi-ring angular displacement absolute encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102269597A (en) | 2011-12-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20160516 |