CN110260895A - A kind of photoelectric encoder - Google Patents
A kind of photoelectric encoder Download PDFInfo
- Publication number
- CN110260895A CN110260895A CN201910531455.9A CN201910531455A CN110260895A CN 110260895 A CN110260895 A CN 110260895A CN 201910531455 A CN201910531455 A CN 201910531455A CN 110260895 A CN110260895 A CN 110260895A
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- China
- Prior art keywords
- drive rod
- spring
- rotary shaft
- support plate
- annular support
- 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.)
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 13
- 210000003205 muscle Anatomy 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
- G01D5/3473—Circular or rotary encoders
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Abstract
The present invention relates to a kind of photoelectric encoders, including circuit board, rotary shaft, code-disc and pedestal, pedestal includes bottom plate and support plate, annular support plate two sides are symmetrically arranged with fixation kit, fixation kit includes fixed plate, drive rod, first spring, first hand block and sticking department, drive rod is through annular support plate and affixed with fixed plate, the first spring is socketed in the middle part of drive rod, two fixed plates are connected to rotary shaft lower part outer wall by the effect of the first spring relatively, making code-disc upper surface with circuit board lower surface, there are gaps, it is connected between drive rod and annular support plate by sticking department, this design reduces by a bearing by the setting of fixation kit, while guaranteeing the air gap between the photoelectric conversion chip on code-disc and circuit board, encoder thickness is effectively reduced, save the cost, compact, it is more suitable for servosystem The demand of miniaturization.
Description
Technical field
The present invention relates to electronic measuring technology field more particularly to a kind of photoelectric encoders.
Background technique
Photoelectric encoder is a kind of the mechanical geometric displacement of output shaft to be converted to pulse or number by photoelectric conversion
The sensor of amount is mainly used in various numerical control devices, is a kind of most sensor of current application, photoelectric encoder mainly by
Code-disc and photoelectric detection system are constituted, and in servo-system, code-disc and motor coaxially cause the rotation of motor to drive code-disc
Rotation, then export several pulse signals through photoelectric detection system, can be calculated currently according to the pulses per second of the signal
The revolving speed of motor.The key problem of incremental photoelectric encoder first is that accurately guaranteeing that the photoelectricity on code-disc and circuit board turns
The air gap between chip is changed, incorporated light photoelectric coder is the main product of current servo in the market, and integral type is compiled
It for code device, needs metal (upper that rotary shaft is installed on inside, rotary shaft is made to stablize rotation, two axis in photoelectric encoder
So that photoelectric encoder entirety shafting size is easy to be fixed, it is big, at high cost to there is such as volume so as to cause it for the setting held
The defects of.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of compact is provided
Photoelectric encoder.
The present invention is to be achieved by the following technical programs:
A kind of photoelectric encoder, including circuit board, the rotary shaft being rotatablely connected with circuit board and the affixed code-disc of rotary shaft
And the pedestal equipped with luminous tube, the circuit board, rotary shaft, code-disc and the middle of the base are provided with shaft channel, the rotation
It outwardly protrudes to form connection ring muscle in the middle part of shaft, the connection ring muscle is connected with code-disc upwards, which is characterized in that the pedestal packet
Bottom plate and the annular support plate set on bottom plate surrounding are included, the annular support plate and circuit board are affixed, annular support plate two sides
It is symmetrically arranged with fixation kit, the fixation kit includes fixed plate, drive rod, the first spring, the first hand block and sticking department,
For the drive rod through annular support plate and affixed with the fixed plate of chassis interior, drive rod outer end is connected with the first hand block,
It circumferentially outwardly protrudes to form positioning ring in the middle part of drive rod, is socketed with the first spring, first both ends of the spring in the middle part of drive rod
Affixed with positioning ring and annular support plate inner wall respectively, two fixed plates are connected to rotary shaft by the effect of the first spring relatively
Lower part outer wall, making the code-disc upper surface with circuit board lower surface, there are gaps, lead between the drive rod and annular support plate
Cross sticking department connection.
According to the above technical scheme, it is preferable that the sticking department is set to above drive rod, and sticking department includes lockplate, lock
Rationed marketing, second spring and the second hand block, the lockplate and annular support plate outer wall are affixed, run through in the middle part of the locking pin
Lockplate, locking pin upper end are connected with the second hand block, and locking pin upper socket has second spring, the second spring both ends point
It is not affixed with the second hand block and lockplate, lock slots, work of the locking pin by second spring are provided in the middle part of the drive rod
With being plugged in lock slots.
According to the above technical scheme, it is preferable that the shape and rotary shaft appearance of the fixed plate and rotary shaft contact one side
Face matches.
According to the above technical scheme, it is preferable that fixed ring is connected on the bottom plate, the fixed ring opposing fixed plate
Position is provided with the fixation channel matched with fixed plate shape.
The beneficial effects of the present invention are:
The fixed plate in the fixation kit of pedestal two sides is symmetrically plugged in by the effect of the first spring, is rotated relative to being connected to
Axis lower part, is fixed on rotary shaft in pedestal, ensure that the air gap between the photoelectric conversion chip on code-disc and circuit board,
After completing locking to the main shaft of measured motor and rotary shaft, drive rod is pulled out, fixed plate is made by the effect of sticking department
The rotation of motor is set to drive the rotation of code-disc since there are certain gaps with bottom plate for rotary shaft lower end far from rotary shaft
It works normally, this design reduces by a bearing by the setting of fixation kit, is guaranteeing the photoelectric conversion on code-disc and circuit board
While the air gap between chip, encoder thickness is effectively reduced, save the cost, and compact is more suitable for servo
The demand of device miniaturization.
Detailed description of the invention
Fig. 1 is front view structure sectional view of the invention.
Fig. 2 is the schematic view of the front view of sticking department part of the present invention.
Fig. 3 is the overlooking structure diagram of base portion of the present invention.
In figure: 1, main shaft；2, rotary shaft；3, clamping screw；4, circuit board；5, code-disc；6, annular support plate；7, connection ring
Muscle；8, positioning ring；9, the first spring；10, luminous tube；11, fixed ring；12, bottom plate；13, fixed plate；14, the second hand block；
15, second spring；16, the first hand block；17, drive rod；18, lock slots；19, locking pin；20, lockplate；21, through-hole.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, the present invention includes that the rotary shaft 2 that circuit board 4 and circuit board 4 are rotatablely connected and rotary shaft 2 are affixed
Code-disc 5 and pedestal equipped with luminous tube 10, it is logical that the circuit board 4, rotary shaft 2, code-disc 5 and the middle of the base are provided with shaft
Road outwardly protrudes to form connection ring muscle 7 in the middle part of the rotary shaft 2, and the connection ring muscle 7 is connected with code-disc 5 upwards, to measured motor
Main shaft 1 run through shaft channel, and be connected between rotary shaft 2 by clamping screw 3, which is characterized in that the pedestal packet
Bottom plate 12 and the annular support plate 6 set on 12 surrounding of bottom plate are included, the annular support plate 6 and circuit board 4 are affixed, circumferential support
6 two sides of plate are symmetrically arranged with fixation kit, and the fixation kit includes that fixed plate 13, drive rod 17, the first spring 9, first are hand-held
Block 16 and sticking department, 13 surface of fixed plate are provided with through-hole 21, luminous tube 10 are allowed to be irradiated in circuit board 4 by code-disc 5
Sensitive chip on, the drive rod 17 is through annular support plate 6 and affixed with the fixed plate of chassis interior 13, outside drive rod 17
End is connected with the first hand block 16, and 17 middle part of drive rod circumferentially outwardly protrudes to form positioning ring 8, be socketed in the middle part of drive rod 17
First spring 9,9 both ends of the first spring are affixed with positioning ring and 6 inner wall of annular support plate respectively, two fixed plates 13 by
The effect of first spring 9 is opposite to be connected to 2 lower part outer wall of rotary shaft, make 5 upper surface of code-disc and 4 lower surface of circuit board there are
Gap is connected between the drive rod 17 and annular support plate 6 by sticking department.Symmetrically it is plugged in the fixation kit of pedestal two sides
In fixed plate 13 by the first spring 9 effect, it is opposite to be connected to 2 lower part of rotary shaft, be fixed on rotary shaft 2 in pedestal, protect
The air gap between the photoelectric conversion chip on code-disc 5 and circuit board 4 has been demonstrate,proved, it will be complete to the main shaft 1 of measured motor and rotary shaft 2
After locking, drive rod 17 is pulled out, makes fixed plate 13 far from rotary shaft 2 by the effect of sticking department, due to rotary shaft 2
There are certain gaps for lower end and bottom plate 12, so that the rotation of motor is driven the rotation of code-disc 5, can work normally, this design is logical
The setting for crossing fixation kit reduces by a bearing, between guaranteeing the air between the photoelectric conversion chip on code-disc 5 and circuit board 4
While gap, encoder thickness is effectively reduced, save the cost, compact, is more suitable for the demand of servosystem miniaturization.
According to above-described embodiment, it is preferable that the sticking department is set to the top of drive rod 17, sticking department include lockplate 20,
Locking pin 19, second spring 15 and the second hand block 14, the lockplate 20 and 6 outer wall of annular support plate are affixed, the lock
Run through lockplate 20 in the middle part of rationed marketing 19,19 upper end of locking pin is connected with the second hand block 14, and 19 upper socket of locking pin has second
Spring 15,15 both ends of second spring are affixed with the second hand block 14 and lockplate 20 respectively, open in the middle part of the drive rod 17
There are lock slots 18, the locking pin 19 is plugged in lock slots 18 by the effect of second spring 15.By to the main shaft 1 of measured motor with
After rotary shaft 2 completes locking, pulling out drive rod 17 is plugged in locking pin 19 in lock slots 18, and fixed plate 13 is remote at this time
It is arranged from rotary shaft 2, it is ensured that it is worked normally；Test completes post-tensioning and moves locking pin 19, effect of the drive rod 17 by the first spring 9
Again 2 two sides of rotary shaft are connected to, it is convenient to operate, and has application and popularization value.
According to above-described embodiment, it is preferable that the fixed plate 13 contacts outside the shape and rotary shaft 2 of one side with rotary shaft 2
Surface matches, so that fixed plate 13 is fitted closely from two sides and rotary shaft 2, so that rotary shaft 2 is fixed more firm in pedestal
Gu.
According to above-described embodiment, it is preferable that be connected with fixed ring 11 on the bottom plate 12, the fixed ring 11 is relatively fixed
The position of plate 13 is provided with the fixation channel matched with 13 shape of fixed plate, keeps fixed plate 13 relatively sliding in fixed channel
Dynamic, the setting of fixed ring 11 plays a supporting role to fixed plate 13, so that vertical misalignment does not occur for rotary shaft 2, further
Guarantee that rotary shaft 2 is fixed stronger in pedestal.
The fixed plate 13 in the fixation kit of pedestal two sides is symmetrically plugged in by the effect of the first spring 9, is connected to relatively
2 lower part of rotary shaft, is fixed on rotary shaft 2 in pedestal, ensure that between the photoelectric conversion chip on code-disc 5 and circuit board 4
The air gap pulls out drive rod 17, passes through sticking department after completing locking to the main shaft 1 of measured motor and rotary shaft 2
Effect makes fixed plate 13 make the rotation of motor since there are certain gaps with bottom plate 12 for 2 lower end of rotary shaft far from rotary shaft 2
The rotation for driving code-disc 5, can work normally, this design reduces by a bearing by the setting of fixation kit, guarantee code-disc 5
While the air gap between the photoelectric conversion chip on circuit board 4, encoder thickness is effectively reduced, save at
This, compact is more suitable for the demand of servosystem miniaturization.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of photoelectric encoder, including circuit board, with the rotary shaft of circuit board rotation connection, with the affixed code-disc of rotary shaft with
And the pedestal equipped with luminous tube, the circuit board, rotary shaft, code-disc and the middle of the base are provided with shaft channel, the rotation
It outwardly protrudes to form connection ring muscle in the middle part of axis, the connection ring muscle is connected with code-disc upwards, which is characterized in that the pedestal includes
Bottom plate and annular support plate set on bottom plate surrounding, the annular support plate and circuit board are affixed, annular support plate two sides pair
Claim to be equipped with fixation kit, the fixation kit includes fixed plate, drive rod, the first spring, the first hand block and sticking department, institute
Drive rod is stated through annular support plate and affixed with the fixed plate of chassis interior, drive rod outer end is connected with the first hand block, drives
It circumferentially outwardly protrudes to form positioning ring in the middle part of lever, the first spring, first both ends of the spring point is socketed in the middle part of drive rod
Not affixed with positioning ring and annular support plate inner wall, two fixed plates are connected under rotary shaft relatively by the effect of the first spring
Portion's outer wall, making the code-disc upper surface with circuit board lower surface, there are gaps, pass through between the drive rod and annular support plate
Sticking department connection.
2. a kind of photoelectric encoder according to claim 1, which is characterized in that the sticking department is set to above drive rod, lock
Determining portion includes lockplate, locking pin, second spring and the second hand block, and the lockplate and annular support plate outer wall are affixed,
Run through lockplate in the middle part of the locking pin, locking pin upper end is connected with the second hand block, and locking pin upper socket has second spring,
The second spring both ends are affixed with the second hand block and lockplate respectively, are provided with lock slots, the lock in the middle part of the drive rod
Rationed marketing is plugged in lock slots by the effect of second spring.
3. a kind of photoelectric encoder according to claim 1, which is characterized in that the fixed plate and rotary shaft contact one side
Shape is matched with rotary shaft outer surface.
4. according to claim 1 to any one of 3 a kind of photoelectric encoder, which is characterized in that it is solid on the bottom plate
It is connected to fixed ring, the position of the fixed ring opposing fixed plate is provided with the fixation channel matched with fixed plate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531455.9A CN110260895A (en) | 2019-06-19 | 2019-06-19 | A kind of photoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531455.9A CN110260895A (en) | 2019-06-19 | 2019-06-19 | A kind of photoelectric encoder |
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| Publication Number | Publication Date |
|---|---|
| CN110260895A true CN110260895A (en) | 2019-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531455.9A Pending CN110260895A (en) | 2019-06-19 | 2019-06-19 | A kind of photoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110260895A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226702A (en) * | 2011-03-22 | 2011-10-26 | 王天甜 | Increment type photoelectric encoder |
| CN203550974U (en) * | 2013-08-24 | 2014-04-16 | 叶建丰 | Compact-type photoelectric rotary encoder |
| CN204592020U (en) * | 2015-01-29 | 2015-08-26 | 上海兰宝传感科技股份有限公司 | A kind of modified model photoelectricity absolute value encoder bearing assembling structure |
| CN105258715A (en) * | 2015-10-22 | 2016-01-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Photoelectric encoder |
| CN206496769U (en) * | 2017-02-24 | 2017-09-15 | 长春键坤联合科技发展有限公司 | Encoder and encoder system |
| CN207798168U (en) * | 2018-01-28 | 2018-08-31 | 广州大卓自动化仪表有限公司 | A kind of inserted electromagnet flow meter sensor |
| WO2019010934A1 (en) * | 2017-07-14 | 2019-01-17 | 深圳市东方伺服数控技术有限公司 | External rotor permanent magnet direct-drive servomotor |
| CN109443401A (en) * | 2018-11-06 | 2019-03-08 | 倍赫曼工业技术(天津)有限公司 | Photoelectric encoder |
| CN109540180A (en) * | 2018-12-25 | 2019-03-29 | 倍赫曼工业技术(天津)有限公司 | Single-bearing photoelectric encoder |
| CN208968565U (en) * | 2018-11-06 | 2019-06-11 | 倍赫曼工业技术(天津)有限公司 | Split type photoelectric encoder |
| CN210198401U (en) * | 2019-06-19 | 2020-03-27 | 倍赫曼工业技术(天津)有限公司 | Photoelectric encoder |
-
2019
- 2019-06-19 CN CN201910531455.9A patent/CN110260895A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226702A (en) * | 2011-03-22 | 2011-10-26 | 王天甜 | Increment type photoelectric encoder |
| CN203550974U (en) * | 2013-08-24 | 2014-04-16 | 叶建丰 | Compact-type photoelectric rotary encoder |
| CN204592020U (en) * | 2015-01-29 | 2015-08-26 | 上海兰宝传感科技股份有限公司 | A kind of modified model photoelectricity absolute value encoder bearing assembling structure |
| CN105258715A (en) * | 2015-10-22 | 2016-01-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Photoelectric encoder |
| CN206496769U (en) * | 2017-02-24 | 2017-09-15 | 长春键坤联合科技发展有限公司 | Encoder and encoder system |
| WO2019010934A1 (en) * | 2017-07-14 | 2019-01-17 | 深圳市东方伺服数控技术有限公司 | External rotor permanent magnet direct-drive servomotor |
| CN207798168U (en) * | 2018-01-28 | 2018-08-31 | 广州大卓自动化仪表有限公司 | A kind of inserted electromagnet flow meter sensor |
| CN109443401A (en) * | 2018-11-06 | 2019-03-08 | 倍赫曼工业技术(天津)有限公司 | Photoelectric encoder |
| CN208968565U (en) * | 2018-11-06 | 2019-06-11 | 倍赫曼工业技术(天津)有限公司 | Split type photoelectric encoder |
| CN109540180A (en) * | 2018-12-25 | 2019-03-29 | 倍赫曼工业技术(天津)有限公司 | Single-bearing photoelectric encoder |
| CN210198401U (en) * | 2019-06-19 | 2020-03-27 | 倍赫曼工业技术(天津)有限公司 | Photoelectric encoder |
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Effective date of registration: 20200716 Address after: No.99, zhuangchi Middle Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Applicant after: DORNA TECHNOLOGY Co.,Ltd. Address before: 300 000 No. 13 Ziyuan Road, Huayuan Industrial Zone, Binhai New Area, Tianjin - B-601-1 Applicant before: BEIHEMAN INDUSTRIAL TECHNOLOGY (TIANJIN) Co.,Ltd. |
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