CN206788206U - A kind of caliberating device of photoelectric encoder output speed error - Google Patents
A kind of caliberating device of photoelectric encoder output speed error Download PDFInfo
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- CN206788206U CN206788206U CN201720416802.XU CN201720416802U CN206788206U CN 206788206 U CN206788206 U CN 206788206U CN 201720416802 U CN201720416802 U CN 201720416802U CN 206788206 U CN206788206 U CN 206788206U
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Abstract
A kind of caliberating device of photoelectric encoder output speed error, including frame base, frame case lid, hollow shaft direct driving motor, insertion shafting, encoder support, LCDs, controller and drive fixing support to be checked, master controller, servo-driver；Wherein, motor rotating table is installed, the centre position of motor rotating table is machined with a mounting hole, and mounting hole is identical with the aperture of hollow shaft direct driving motor axis hole and both are coaxial on hollow shaft direct driving motor；Excessive annulus is provided with around motor rotating table；Excessive annulus is connected with encoder support to be checked；Hollow shaft direct driving motor axis hole centre position is provided with the U-shaped groove of motor shafting, insertion shafting and the shaft hole matching of hollow shaft direct driving motor；Insertion shafting is connected with encoder to be checked by elastic coupling；LCDs is connected with master controller；Servo-driver is connected with hollow shaft direct driving motor, and master controller is connected with encoder to be checked and servo-driver.Realize the measurement of encoder output speed error.
Description
Technical field
The utility model belongs to photoelectric encoder field, and in particular to a kind of demarcation of photoelectric encoder output speed error
Device and scaling method.The Mechatronic Systems that the caliberating device is light, mechanical, electrical, calculates, controls integrated high integration, is widely applicable
In real axis or the detection of hollow shaft photoelectric encoder speed error.
Background technology
With the development of servo-control system and Theory of Automatic Control, people are to commonly using detection feedback member in control system
The performance indications required precision more and more higher of part --- photoelectric encoder.But this does not imply that domestic and international production firm is only
Need to be directed to the performance indications for improving photoelectric encoder, at the same time, photoelectric encoder detection device it is also proposed higher
The requirement of performance.
Calibration technique is mainly that the speed error parameter of photoelectric encoder is determined.It can be incited somebody to action according to the object being calibrated
Demarcation is divided into element demarcation and system calibrating.The caliberating device designs for encoder manufacturer, belongs to element demarcation category.
Element demarcation is carried out typically before dispatching from the factory by producer in factory, to determine the performance parameter of element.
Specific products is directed to its angular displacement error of the error calibration primary calibration of photoelectric encoder, this caliberating device at present
And particular customer demand is demarcated to its output speed error.Output speed error refers to detect certain reason using photoelectric encoder
Think constant rotational speed, the fluctuation range of its measured value.Current most of colleges and universities and scientific research institutions, major design encoder angle measurement system
System, demarcated for encoder angle error, the not detection for photoelectric encoder output speed error provides a set of highly integrated
Spend its special calibrating equipment of automation.
The content of the invention
In order to mitigate the labor intensity that worker detects for photoelectric encoder output error, automation and high integration are realized
Test, the utility model provide a kind of photoelectric encoder output speed error calibration device.
It is as follows that the utility model solves the technical scheme that above-mentioned technical problem is taken：
A kind of caliberating device of photoelectric encoder output speed error, including frame base, frame case lid, hollow shaft are directly driven
Motor, insertion shafting, encoder support, LCDs, controller and drive fixing support to be checked, master controller, servo
Driver；Wherein, the hollow shaft direct driving motor is connected by bottom thread hole with frame base；The top of hollow shaft direct driving motor
End is provided with motor rotating table, and the centre position of the motor rotating table is machined with a mounting hole, the mounting hole and hollow shaft
The aperture of direct driving motor axis hole is identical and both are coaxial；It was provided with hollow shaft direct driving motor and around motor rotating table
Spend annulus；The excessively annulus is connected with encoder support to be checked；Hollow shaft direct driving motor axis hole centre position is provided with motor shaft
It is U-shaped groove, the insertion shafting and the shaft hole matching of hollow shaft direct driving motor；The encoder support to be checked is treated for placement
Examine encoder；Insertion shafting is connected with encoder to be checked by elastic coupling；The LCDs is arranged on frame case lid
Outside, and be connected by connecting winding displacement with master controller；The controller is arranged on frame base with drive fixing support
On；The master controller, servo-driver are arranged on controller and drive fixing support；Servo-driver is connected by signal
Wiring is connected with hollow shaft direct driving motor, and motor is directly driven for hollow shaft and provides U, V, W symmetrical three-phase alternating current, receives hollow shaft
The straight high-precision encoder signal and hall signal for driving motor；The master controller is connected with encoder to be checked, is received to be checked
The tach signal of encoder feedback；Master controller is connected with servo-driver, and pulse, direction controlling letter are provided for servo-driver
Number, receive the tach signal that servo-driver feeds back.
Insertion shafting described in the utility model includes bottom lifting axe, intermediate openings annulus, top lifting axe three parts；
Wherein, the intermediate openings annulus is arranged in the U-shaped groove of motor shafting, and the race diameter of intermediate openings annulus is more than motor
The diameter of turntable upper installing hole, less than the aperture of the U-shaped groove of motor shafting；The bottom lifting axe is interspersed in hollow shaft and directly driven
In axis hole on motor, and it is arranged on the lower section of intermediate openings annulus；The top lifting axe interts the peace on motor rotating table
Fill in hole, and be arranged on the top of intermediate openings annulus；Bottom lifting axe, intermediate openings annulus and top lifting axe pass through fastening
Mode connects for screw is fixed.
To ensure that caliberating device described in the utility model can use under on line state, it is easy to data and is deposited
Storage, the caliberating device also include pocket computer, and the pocket computer passes through Serial Port Line RS422 and encoder to be checked respectively
Connection, is connected with master controller by Serial Port Line RS232, is communicated；The pocket computer includes data receiver, at data
The functional module such as reason and data preservation.
As it is of the present utility model preferably, the frame base can not only mitigate weight, and conveniently using hollow out design
Installation insertion shafting；The framework case lid upper opening, for appearing LCDs.
As it is of the present utility model further preferably, during the servo-driver installation fan down, beneficial to radiating, and bottom
Portion is preferably with the soft support of rubber column, beneficial to buffering.
The advantages of the utility model and beneficial effect：
（1）Caliberating device described in the utility model can be measured continuously, and real-time synchronization is shown, reflect photoelectric coding to be checked
The output speed error amount of device multiple spot；And possess online use and use two kinds of mode of operations with off line；Off line use can meet
Client's quick detection demand；It is online to stay a grade function using with outstanding data post processing function and data preservation.
（2）Caliberating device described in the utility model realizes automation and high integration measurement, time saving and energy saving, measurement week
Phase is short, efficiency high, alleviates the labor intensity that worker detects for photoelectric encoder output error.
Brief description of the drawings
Fig. 1 is the utility model photoelectric encoder output speed error calibration apparatus structure composition schematic diagram.
Fig. 2 is the utility model insertion shafting and the attachment structure schematic diagram of hollow shaft direct driving motor.
Fig. 3 is the utility model photoelectric encoder output speed error calibration device off line use state schematic diagram.
Fig. 4 is the online use state schematic diagram of the utility model photoelectric encoder output speed error calibration device.
Embodiment
As shown in figure 1, the caliberating device of photoelectric encoder output speed error described in the utility model, including frame base
Seat 1, frame case lid 2, hollow shaft direct driving motor 3, insertion shafting, encoder support 11 to be checked, LCDs 13, controller with
Drive fixing support 16, master controller 15, servo-driver 17；Wherein, the frame base 1 is designed using hollow out, not only
Weight, and convenient installation insertion shafting can be mitigated；The upper opening of frame case lid 2, for exposing LCDs 13；Institute
Hollow shaft direct driving motor 3 is stated to be connected with frame base 1 by bottom thread hole；The top of hollow shaft direct driving motor 3 is provided with electricity
Machine turntable 9, the centre position of the motor rotating table 9 are machined with a mounting hole, the mounting hole and hollow shaft direct driving motor 3
The aperture of axis hole is identical and both are coaxial；Excessive annulus is provided with hollow shaft direct driving motor 3 and around motor rotating table 9
10；The excessively annulus 10 is connected by screw with encoder support 11 to be checked；The axis hole interposition of hollow shaft direct driving motor 3 installs
There are the U-shaped groove 6 of motor shafting, the insertion shafting and the shaft hole matching of hollow shaft direct driving motor 3；The encoder support to be checked
11 are used to place encoder to be checked；Insertion shafting is connected with encoder to be checked by elastic coupling 12；The LCDs
13 are arranged on the outside of frame case lid 2, and are connected by connecting winding displacement 14 with master controller 15；The controller is consolidated with driver
Fixed rack 16 is arranged in frame base 1；The master controller 15, servo-driver 17 are arranged on controller and driver is fixed
On support 16；During actual installation, the fan of the servo-driver 17 down, beneficial to radiating, and bottom preferably with
18 soft support of rubber column, beneficial to buffering；Servo-driver 17 is connected by signal connecting line with hollow shaft direct driving motor 3, for sky
Mandrel directly drives motor 3 and provides the symmetrical three-phase alternating current of U, V, W, receives the high-precision encoder letter that hollow shaft directly drives motor 3
Number and hall signal；The master controller 15 is connected by Serial Port Line RS422 with encoder to be checked, receives encoder feedback to be checked
Tach signal；Master controller 15 is connected by signal connecting line with servo-driver 17, for servo-driver 17 provide pulse,
Direction control signal, receive the tach signal that servo-driver 17 feeds back.
As shown in Figure 1 and Figure 2, the insertion shafting includes bottom lifting axe 5, intermediate openings annulus 7, top lifting axe 8 three
Part；Wherein, the intermediate openings annulus 7 is arranged in the U-shaped groove 6 of motor shafting, and the race diameter of intermediate openings annulus 7
More than the diameter of the upper installing hole of motor rotating table 9, less than the aperture of the U-shaped groove 6 of motor shafting；The bottom lifting axe 5 is interspersed
In axis hole on hollow shaft direct driving motor 3, and it is arranged on the lower section of intermediate openings annulus 7；The interspersed electricity of the top lifting axe 8
In mounting hole on machine turntable 9, and it is arranged on the top of intermediate openings annulus 7；Bottom lifting axe 5, intermediate openings annulus 7 and
Top lifting axe 8 is connected by trip bolt 4.In specific installation process, intermediate openings annulus 7 is firmly clutched, made
Must be open closure, and it closes the diameter that diameter is less than the upper installing hole of motor rotating table 9, is plunged into motor rotating table 9, until arriving
Up in the U-shaped groove 6 of motor shafting, now intermediate openings annulus 7 opens automatically, has a diameter larger than the upper installing hole of motor rotating table 9
Diameter, less than the aperture of the U-shaped groove 6 of motor shafting；Then top lifting axe 8 is installed to the installation on motor rotating table 9
In hole, bottom lifting axe 5 is installed among the axis hole of hollow shaft direct driving motor 3 from the lower section of hollow shaft direct driving motor 3；This
When, bottom lifting axe 5, intermediate openings annulus 7, top lifting axe 8 are connected using trip bolt 4, complete insertion shafting and sky
The assembling of mandrel direct-drive motor shaft.Insertion shafting can be changed for different model encoder product.
The device of above-mentioned exclusive use LCDs can be realized to encoder output speed to be checked in offline state
The measure of error.
As shown in figure 3, photoelectric encoder output speed error calibration device off line use state schematic diagram.User operates liquid
Crystal display screen 13, reference rotation velocity is given, after master controller 15 receives reference rotation velocity, according to the built-in volume of hollow shaft direct driving motor 3
Code device feedback signal, controls the output signal of servo-driver 17, and realize the speed closed loop control of hollow shaft direct driving motor 3；Will
Encoder to be checked is positioned on encoder support 11 to be checked, and the main shaft of encoder to be checked is connected with elastic coupling 12, hollow shaft
Direct driving motor 3 drives insertion shafting rotation according to setting rotating speed to start to rotate, and insertion shafting is driven by elastic coupling 12 and treated
Encoder main axis, encoder output speed signal to be checked are examined, and master controller is given to by RS422, master controller passes through
Built-in processor carries out data operation processing, obtain encoder output speed error to be checked whether coincidence loss band requirement, will
Final result is shown on LCDs 13.
Pocket computer 19 is also equipped with said apparatus, is operated on line state, pocket computer is installed
When 19, pocket computer 19 is connected by Serial Port Line RS422 with encoder to be checked respectively, passes through Serial Port Line RS232 and master control
Device 15 processed connects, and is communicated；The pocket computer 19 includes the function moulds such as data receiver, data processing and data preservation
Block.
As shown in figure 4, the online use state schematic diagram of photoelectric encoder output speed error calibration device.User is portable
Reference rotation velocity is set on computer 19, and reference rotation velocity is sent to master controller 15 by pocket computer 19 by RS232 serial ports, main
Controller 15 controls the signal output of servo-driver 17 and hollow according to the built-in encoder feedback signal of hollow shaft direct driving motor 3
The rotating speed of axle direct driving motor 3；Encoder to be checked is positioned on encoder support 11 to be checked, main shaft and the elasticity of encoder to be checked join
Joint 12 connects, and hollow shaft direct driving motor 3 drives insertion shafting rotation according to setting rotating speed to start to rotate, and insertion shafting passes through
Elastic coupling 12 drives encoder main axis to be checked；Encoder actual measurement rotating speed to be checked is given to pocket computer via RS422,
The built-in encoder of hollow shaft direct driving motor 3 surveys motor speed signal via servo-driver 17, master controller 15, then by
RS232 is given to pocket computer 19；Gather encoder to be checked and hollow shaft directly drives the high-precision of motor to pocket computer 19 simultaneously
The measured value of encoder is spent, the user interface in pocket computer 19 is compared display, and provides speed error curve, turns
Fast curve, error amount and calibration result.Pocket computer 19 possesses data storage, opens the functions such as data file simultaneously.
The maximum speed of hollow shaft direct driving motor 3 described in the utility model is less than up to 10294rpm, axial-radial bounce
10um, built-in high-precision encoder often transfer out 12000 pulses, and highest can realize 40 times of outputs.
Claims (5)
- A kind of 1. caliberating device of photoelectric encoder output speed error, it is characterised in that：The device includes frame base, frame Case lid, hollow shaft direct driving motor, insertion shafting, encoder support to be checked, LCDs, controller and driver fix branch Frame, master controller, servo-driver；Wherein, the hollow shaft direct driving motor is connected by bottom thread hole with frame base；It is empty The top of mandrel direct driving motor is provided with motor rotating table, and the centre position of the motor rotating table is machined with a mounting hole, institute State that mounting hole is identical with the aperture of hollow shaft direct driving motor axis hole and both are coaxial；Revolved on hollow shaft direct driving motor and in motor Excessive annulus is provided with around turntable；The excessively annulus is connected with encoder support to be checked；In hollow shaft direct driving motor axis hole Meta has installed the U-shaped groove of motor shafting, the insertion shafting and the shaft hole matching of hollow shaft direct driving motor；The coding to be checked Device support is used to place encoder to be checked；Insertion shafting is connected with encoder to be checked by elastic coupling；The liquid crystal display Screen is arranged on the outside of frame case lid, and is connected by connecting winding displacement with master controller；The controller fixes branch with driver Frame is arranged in frame base；The master controller, servo-driver are arranged on controller and drive fixing support；Servo Driver is connected by signal connecting line with hollow shaft direct driving motor, and motor is directly driven for hollow shaft and provides U, V, W symmetrical three-phase Alternating current, receive high-precision encoder signal and hall signal that hollow shaft directly drives motor；The master controller and volume to be checked Code device connection, receive the tach signal of encoder feedback to be checked；Master controller is connected with servo-driver, is carried for servo-driver For pulse, direction control signal, the tach signal that servo-driver feeds back is received.
- 2. the caliberating device of photoelectric encoder output speed error according to claim 1, it is characterised in that：The demarcation Device also includes pocket computer, and the pocket computer is connected by Serial Port Line RS422 with encoder to be checked respectively, passes through string Mouth line RS232 is connected with master controller, is communicated；The pocket computer, which includes data receiver, data processing and data, to be protected Deposit functional module.
- 3. the caliberating device of photoelectric encoder output speed error according to claim 1 or 2, it is characterised in that：It is described Penetrating shafting includes bottom lifting axe, intermediate openings annulus, top lifting axe three parts；Wherein, the intermediate openings annulus peace In the U-shaped groove of motor shafting, and the race diameter of intermediate openings annulus is more than the diameter of motor rotating table upper installing hole, small In the aperture of the U-shaped groove of motor shafting；The bottom lifting axe is interspersed in the axis hole on hollow shaft direct driving motor, and is arranged on The lower section of intermediate openings annulus；The top lifting axe interts in the mounting hole on motor rotating table, and is arranged on intermediate openings The top of annulus；Bottom lifting axe, intermediate openings annulus and top lifting axe are connected by trip bolt.
- 4. the caliberating device of photoelectric encoder output speed error according to claim 1, it is characterised in that：The machine Frame pedestal is designed using hollow out；The framework case lid upper opening, for exposing LCDs.
- 5. the caliberating device of photoelectric encoder output speed error according to claim 1, it is characterised in that：The servo Down, and bottom uses the soft support of rubber column to fan when driver is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416802.XU CN206788206U (en) | 2017-04-20 | 2017-04-20 | A kind of caliberating device of photoelectric encoder output speed error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720416802.XU CN206788206U (en) | 2017-04-20 | 2017-04-20 | A kind of caliberating device of photoelectric encoder output speed error |
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| Publication Number | Publication Date |
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| CN206788206U true CN206788206U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720416802.XU Active CN206788206U (en) | 2017-04-20 | 2017-04-20 | A kind of caliberating device of photoelectric encoder output speed error |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064562A (en) * | 2017-04-20 | 2017-08-18 | 吉林宇恒光电仪器有限责任公司 | A kind of caliberating device of photoelectric encoder output speed error |
| CN109460079A (en) * | 2018-11-29 | 2019-03-12 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of load speed real-time calibration control device |
| CN109798928A (en) * | 2019-01-23 | 2019-05-24 | 长春理工大学 | Based on the reciprocal shaft-position encoder gamut accuracy checking method of corner |
-
2017
- 2017-04-20 CN CN201720416802.XU patent/CN206788206U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064562A (en) * | 2017-04-20 | 2017-08-18 | 吉林宇恒光电仪器有限责任公司 | A kind of caliberating device of photoelectric encoder output speed error |
| CN109460079A (en) * | 2018-11-29 | 2019-03-12 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of load speed real-time calibration control device |
| CN109798928A (en) * | 2019-01-23 | 2019-05-24 | 长春理工大学 | Based on the reciprocal shaft-position encoder gamut accuracy checking method of corner |
| CN109798928B (en) * | 2019-01-23 | 2022-01-28 | 长春理工大学 | Full-range precision detection method of shaft-position encoder based on rotation angle reciprocal |
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