CN208432264U - The calibrating installation of magnetic encoder - Google Patents
The calibrating installation of magnetic encoder Download PDFInfo
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- CN208432264U CN208432264U CN201821213412.3U CN201821213412U CN208432264U CN 208432264 U CN208432264 U CN 208432264U CN 201821213412 U CN201821213412 U CN 201821213412U CN 208432264 U CN208432264 U CN 208432264U
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- grating scale
- magnetic encoder
- permanent magnet
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Abstract
The utility model relates to a kind of calibrating installations of magnetic encoder, it include: the test arm of testing jig and setting on the tester rack, wherein, magnetic encoder to be calibrated includes: permanent magnet and encoding pack, one of them in permanent magnet and encoding pack is located on the testing jig, another is arranged in the test arm；The grating scale for reading position information is additionally provided in test arm, test arm is configured as the relative position between the location information adjustment permanent magnet read according to grating scale and encoding pack.The calibrating installation of the magnetic encoder, by the way that grating scale is arranged in test arm, it being capable of the relative position of quantization encoding component and permanent magnet in calibration, it can orient, the relative position of quantitative adjustment encoding pack and permanent magnet, uncertain problem existing for manual operation is avoided, calibration accuracy is improved.And the calibration after calibrating successfully for the first time for the magnetic coder of identical size provides reference, improves calibration efficiency.
Description
Technical field
The utility model relates to magnetic code technical fields, more specifically, the utility model relates to a kind of magnetic encoders
Calibrating installation.
Background technique
Magnetic encoder is that perhaps its principle of displacement measuring device is using magnetic resistance or Hall member to the novel angle of one kind
Part can cause one to the angle variation that perhaps shift value measures magnetic material angle or displacement of the magnetic material of variation
The variation for determining resistance or voltage amplifies variable quantity by amplifying circuit, and pulse letter is exported after handling by single-chip microcontroller
Number or analog signals, achieve the purpose that measurement.
Currently, magnetic encoder is more demanding to installation accuracy, only often it is difficult to meet required precision by manual calibration.
Therefore, it is necessary to provide a kind of new calibrating installation.
Utility model content
One purpose of the utility model is to provide a kind of calibrating installation of magnetic encoder.
One aspect according to the present utility model provides a kind of calibrating installation of magnetic encoder, comprising: testing jig and
Test arm on the tester rack is set, wherein magnetic encoder to be calibrated includes: permanent magnet and encoding pack, permanent magnet and volume
One of them in code character part is located on the testing jig, another is arranged in the test arm；In the test arm also
Equipped with the grating scale for reading position information, the test arm is configured as the location information adjustment read according to grating scale forever
Relative position between magnet and encoding pack.
Further, the test arm includes the sliding rail and sliding block being slidably connected together, and the grating scale includes: fixation
Reading head on sliding block and the grating scale item being fixed on the sliding rail, wherein the grating scale item is parallel with the sliding rail
Setting, the reading head are oppositely arranged with the grating scale item.
Further, the test arm further includes driving device, and the sliding block is configured as: in the drive of the driving device
Under dynamic, slided along the sliding rail.
Further, the test arm is three-axis moving mechanism comprising the X-axis movement mechanism that is combined together, Y-axis fortune
Motivation structure and Z axis movement mechanism；The X-axis movement mechanism includes X-axis slide rail and the X-axis that is slidably fitted in X-axis slide rail
Sliding block；The Y-axis movement mechanism includes Y-axis sliding rail and the Y-axis sliding block being slidably fitted on Y-axis sliding rail；The Z axis fitness machine
Structure includes Z axis slide rail and the Z axis sliding block being slidably fitted in Z axis slide rail.
Further, the grating scale item includes: X-axis grating scale item, Y-axis grating scale item and Z axis grating scale item, the X
Axis grating scale item is fixed in the X-axis slide rail, and is arranged in parallel with the X-axis slide rail, and the Y-axis grating scale item is fixed on institute
State on Y-axis sliding rail, and be arranged in parallel with the Y-axis sliding rail, the Z axis grating scale item is fixed in the Z axis slide rail, and with institute
Z axis slide rail is stated to be arranged in parallel.
Further, the reading head be 3,3 reading heads be separately positioned on the X-axis slide rail, the Y-axis sliding rail and
On the sliding block of the Z axis slide rail, and respectively with the X-axis grating scale item, the Y-axis grating scale item and the Z axis grating scale item
Relatively.
Further, the reading head includes the sensor for reading grating scale data.
Further, it is provided with scale value on the grating scale item, the sensor is configured as: being capable of real-time acquisition grating
Scale value on ruler item.
Further, the grating scale further includes display screen, and the display screen is used to show the information of sensor.
Further, the permanent magnet is fixed in the shaft of transmission mechanism, and the transmission mechanism is fixed on the test
On frame.
One of the utility model has technical effect that, being capable of quantization encoding group by the way that grating scale is arranged in test arm
The relative position of part and permanent magnet in calibration can orient, the relative position of quantitative adjustment encoding pack and permanent magnet, keep away
Exempt from uncertain problem existing for manual operation, improves calibration accuracy.
And the calibration after calibrating successfully for the magnetic coder of identical size provides reference, improves calibration efficiency.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is the top view of the calibrating installation of magnetic encoder provided by the embodiment of the utility model.
Fig. 2 is the main view of the calibrating installation of magnetic encoder provided by the embodiment of the utility model.
Description of symbols:
1- permanent magnet；2- encoding pack；3-X axis grating scale item；4-X axis sliding rail；5-Y axis grating scale item；6-Y axis sliding rail；
7-X axis sliding block；8-Z axis grating scale item；9-Z axis sliding rail；10-Z axis sliding block；11- motor.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Magnetic encoder may include: encoding pack and permanent magnet, wherein encoding pack relative to permanent magnet direction and
Distance be a preset value, encoding pack relative to permanent magnet direction and distance be the preset value when, magnetic encoder could just
Often work.If directly can not quantify the location information of magnetic encoder by manual calibration, can only repeatedly adjust encoding pack
Position, and need to start magnetic encoder after adjustment every time and test whether to reach required precision, since manual operation has
Therefore uncertainty is usually repeated as many times the installation accuracy requirement for being also difficult to reach magnetic encoder.
The utility model embodiment provides a kind of calibrating installation of magnetic encoder.Fig. 1 is that the utility model embodiment mentions
The top view of the calibrating installation of the magnetic encoder of confession.Fig. 2 is the calibration of magnetic encoder provided by the embodiment of the utility model
The main view of device.As shown in Figure 1 and Figure 2, the calibrating installation of the magnetic encoder includes: testing jig and test arm, the test
Arm is arranged on the testing jig, wherein magnetic encoder to be calibrated includes: permanent magnet 1 and encoding pack 2, permanent magnet 1 and is compiled
One of them in code character part 2 is located on the testing jig, another is arranged in the test arm；In the test arm also
Equipped with the grating scale for reading position information, the test arm is configured as the location information adjustment read according to grating scale forever
Relative position between magnet 1 and encoding pack 2.
Specifically, magnetic encoder be a kind of novel angle perhaps displacement measuring device its use magnetic resistance or Hall
Element can cause the angle variation that perhaps shift value measures magnetic material angle or displacement of the magnetic material of variation
The variation of certain resistance or voltage, amplifies variable quantity by amplifying circuit, exports pulse after handling by single-chip microcontroller
Signal or analog signals, achieve the purpose that measurement.Compared with traditional photo-electric and raster pattern encoder, magnetic encoder
With anti-vibration, anticorrosive, antipollution, anti-interference and wide temperature characteristic, the scope of application is wider.
Magnetic encoder is for example can include: encoding pack 2 and the permanent magnet 1 for generating magnetic field, encoding pack 2 can wrap
Include: Hall sensor and PCB circuit board, when assembling, permanent magnet 1 may be mounted at encoder rotation shaft end, while can will
The Hall sensor chip is placed in one piece of PCB circuit board, has to seek refuge with nearly encoder axis end according to direction and distance
The permanent magnet 1 at end, by parsing the voltage signal exported from Hall sensor through PCB circuit board, it will be able to identify encoder
The rotation position of rotor.
It, can be first to magnetic encoder before magnetic encoder is installed in order to guarantee the installation accuracy of magnetic encoder
It is calibrated.It is possible, firstly, to which the permanent magnet 1 of the magnetic encoder is fixed on the predeterminated position of testing jig, then pass through light
The location information of grid ruler acquisition permanent magnet 1.The predeterminated position for example can be the origin of grating scale.The setting of encoding pack 2 is being surveyed
It tries on arm, and can be moved along test arm, grating scale is configured as: can obtain the location information of the encoding pack 2 in real time.School
On time, the position of encoding pack 2 can be finely adjusted, and obtains the location information of encoding pack at any time, every time after adjustment,
The magnetic encoder can be started, verify whether to reach installation accuracy requirement, and adjust encoding pack 2 again according to verification result
Position, the best opposite of the permanent magnet 1 and encoding pack 2 can be quickly determined with reference to the location information and verification result
Position, so that permanent magnet 1 is corresponding with encoding pack 2.After the installation accuracy of the magnetic encoder reaches requirement, Ke Yiji
The location information of the encoding pack 2 of record at this time.When being calibrated to same model, the magnetic code device assembly of size, it can incite somebody to action
Permanent magnet 1 is located on the predeterminated position, and encoding pack 2 is moved to the position of record, improves calibration efficiency, is saved
Manpower.
Wherein, grating scale may be mounted in test arm, and grating scale is anti-using the measurement of the optical principle work of grating
Present device.The characteristics of its signal for measuring output is digit pulse, has detection range big, and detection accuracy is high, fast response time.
The calibrating installation of magnetic encoder provided in this embodiment can be quantified by the way that grating scale is arranged in test arm
The relative position of encoding pack and permanent magnet in calibration, can orient, quantitative adjustment encoding pack and permanent magnet it is opposite
Position avoids uncertain problem existing for manual operation, improves calibration accuracy.
And the calibration after calibrating successfully for the first time for the magnetic coder of identical size provides reference, improves calibration effect
Rate.
As shown in Figure 1 and Figure 2, the test arm includes the sliding rail and sliding block being slidably connected together, and the encoding pack is solid
It is fixed on the slide block, the grating scale includes: the reading head being fixed on sliding block and the grating scale that is fixed on the sliding rail
Item, wherein the grating scale item is fixed on the sliding rail, and is arranged in parallel with the sliding rail, the reading head and the light
Grid ruler item is oppositely arranged.The grating scale is equipped with scale, and the reading head can read the cunning for being fixed with the encoding pack 2
The location information of block namely the location information of encoding pack 2.
The test arm further includes driving device, and the sliding block is configured as: under the driving of the driving device, being driven
The encoding pack is slided along the sliding rail.
Specifically, the test arm is three-axis moving mechanism comprising the X-axis movement mechanism that is combined together, Y-axis movement
Mechanism and Z axis movement mechanism；The X-axis movement mechanism includes X-axis slide rail 4 and the X-axis that is slidably fitted in X-axis slide rail 4
Sliding block 7；The Y-axis movement mechanism includes Y-axis sliding rail 6 and the Y-axis sliding block being slidably fitted on Y-axis sliding rail 6；The Z axis fortune
Motivation structure includes Z axis slide rail 9 and the Z axis sliding block 10 being slidably fitted in Z axis slide rail 9.Wherein, in a kind of three-axis moving mechanism
Example in, the X-axis slide rail 4 is fixed on Y-axis sliding block, allows X-axis slide rail 4 sliding on Y-axis sliding rail with Y-axis sliding block
Dynamic, the Z axis slide rail 9 is fixed in X-axis slide block 7, Z axis slide rail is slided with X-axis slide block 7 in X-axis, code set
Part 2 then can be set on Z axis sliding block 10, that is to say, that encoding pack 2 can be as Z axis sliding block 10 be in Z axis slide rail 9, X-axis
It is moved in the range of sliding rail 4 and Y-axis sliding rail 6.Certainly, in the example of another three-axis moving mechanism, it is also possible that Y-axis is sliding
Rail 6 is fixed in X-axis slide block 7, and Z axis slide rail 9 is fixed on Y-axis sliding block.
Above-mentioned sliding block, sliding rail connection type be only two kinds of examples of three-axis moving mechanism, the utility model does not do this
Limitation, those skilled in the art, which can according to need, is adjusted the specific structure of test arm, and it is practical new that these belong to this
The protection scope of type.
The grating scale item includes: X-axis grating scale item 3, Y-axis grating scale item 5 and Z axis grating scale item 8, the X-axis grating
Ruler item 3 is fixed in the X-axis slide rail 4, and the X-axis grating scale item 3 is identical as 4 size of X-axis slide rail and is arranged in parallel, institute
It states Y-axis grating scale item 5 to be fixed on the Y-axis sliding rail 6, the Y-axis grating scale item 5 and 6 size of Y-axis sliding rail are identical and flat
Row setting, the Z axis grating scale item 8 are fixed in the Z axis slide rail 9, the Z axis grating scale item 8 and 9 ruler of Z axis slide rail
It is very little identical and be arranged in parallel.
Further, the reading head can be 3, and the reading head includes: the first reading head, the second reading head and the
Three reading heads, the first reading head are arranged on the sliding block of the X-axis slide rail 4, and are arranged with 3 face of X-axis grating scale item, when
When X-axis slide block 7 is slided along sliding rail, the first reading head can be moved synchronously with X-axis slide block 7, and the first reading head for obtaining X in real time
The location information of axis sliding block 7.Second reading head is arranged on the sliding block of Y-axis sliding rail 6, and is arranged with 5 face of Y-axis grating scale item,
When Y-axis sliding block is slided along Y-axis sliding rail 6, the second reading head can be moved synchronously with Y-axis sliding block, and the second reading head is for real-time
Obtain the location information of Y-axis sliding block.Third reading head is arranged on the sliding block of Z axis slide rail 9, and sets with 8 face of Z axis grating scale item
It sets, when Z axis sliding block 10 is slided along Z axis slide rail 9, third reading head can be moved synchronously with Z axis sliding block, and third reading head is used for
The location information of Z axis sliding block 10 is obtained in real time.
The calibrating installation of magnetic encoder provided in this embodiment by the way that three axis test arms are arranged, and encoding pack is set
It sets on the sliding block of test arm, allows encoding pack in space centered on permanent magnet, along test arm in each side
It moves up.Meanwhile by the way that grating scale is arranged in test arm, the location information of encoding pack can in real time, be accurately measured, is
User provides reference, so that user can more fast and accurately determine code set using the location information as reference
The best relative position of part and permanent magnet improves calibration efficiency so that permanent magnet is corresponding with encoding pack.
Further, as shown in Figure 1 and Figure 2, the scale for being used to indicate range ability, institute are additionally provided on the grating scale
Grating ruler reading head is stated to be oppositely arranged with the grating scale item.When grating ruler reading head is moved synchronously with sliding block, grating scale
Reading head incudes the scale on grating scale item, real-time feedback data.Specifically, grating ruler reading head include sensor and
Signal transmission device, the sensor are used to incude the scale on grating scale item, and by the calibration information real-time Transmission of induction to letter
Number transmitter.
In addition, the grating scale further includes display screen, the signal transmitting apparatus is connect with display screen, and the display screen is used
In the location information for showing the encoding pack 2.User can obtain the location information by display screen.When calibration, user is also
The location information when location information and the permanent magnet got 1 and encoding pack 2 can be in best relative position carries out
Compare, when two location informations are consistent, calibration is completed, test arm stopping movement.
The calibrating installation of magnetic encoder provided in this embodiment, grating scale further include display screen, can more intuitively be obtained
Take the location information of encoding pack.
In addition, the magnetic encoder technology can be applied to the rotation position of motor in one embodiment of the utility model
Feedback is set, permanent magnet 1 can be directly installed on motor the tip of the axis, touchless position can be carried out by encoding pack 2
Measurement is set, this reduces the risks for causing encoder to fail in motor operation course because of mechanical shaft vibration, help to mention
The stability of lifting motor operation.
When being calibrated to magnetic encoder, the motor 11 can be fixed on the testing jig, and by permanent magnet 1
It is fixed in the shaft of motor 11, so that permanent magnet 1 is located at the predeterminated position of grating scale, which for example can be grating
The origin of ruler.
The calibrating installation of magnetic encoder provided in this embodiment, after permanent magnet can also be fixed on machine shaft
Encoding pack is positioned, encoding pack and motor can be fixed together after the completion of positioning, without again to motor
Position is calibrated, and calibration efficiency is improved.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that above example merely to be illustrated, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of calibrating installation of magnetic encoder characterized by comprising the test of testing jig and setting on the tester rack
Arm, wherein magnetic encoder to be calibrated includes: permanent magnet (1) and encoding pack (2), in permanent magnet (1) and encoding pack (2)
One of them be located on the testing jig, another be arranged in the test arm；It is additionally provided with and is used in the test arm
The grating scale of reading position information, the test arm are configured as location information adjustment permanent magnet (1) read according to grating scale
Relative position between encoding pack (2).
2. the calibrating installation of magnetic encoder according to claim 1, which is characterized in that the test arm includes that sliding connects
The sliding rail and sliding block being connected together, on the slide block, the grating scale includes: to be fixed on cunning for encoding pack (2) setting
Reading head on block and the grating scale item being fixed on the sliding rail, wherein the grating scale item is arranged in parallel with the sliding rail,
The reading head is oppositely arranged with the grating scale item.
3. the calibrating installation of magnetic encoder according to claim 2, which is characterized in that the test arm further includes driving
Device, the sliding block are configured as: under the driving of the driving device, the sliding block drives the encoding pack (2) along institute
State sliding rail sliding.
4. the calibrating installation of magnetic encoder according to claim 2, which is characterized in that the test arm is three-axis moving
Mechanism comprising X-axis movement mechanism, Y-axis movement mechanism and the Z axis movement mechanism being combined together；The X-axis movement mechanism
Including X-axis slide rail and the X-axis slide block being slidably fitted in X-axis slide rail；The Y-axis movement mechanism includes Y-axis sliding rail and cunning
Y-axis sliding block of the dynamic cooperation on Y-axis sliding rail；The Z axis movement mechanism includes Z axis slide rail and is slidably fitted in Z axis slide rail
Z axis sliding block.
5. the calibrating installation of magnetic encoder according to claim 4, which is characterized in that the grating scale item includes: X-axis
Grating scale item (3), Y-axis grating scale item (5) and Z axis grating scale item (8), it is sliding that the X-axis grating scale item (3) is fixed on the X-axis
On rail (4), and it is arranged in parallel with the X-axis slide rail (4), the Y-axis grating scale item (5) is fixed on the Y-axis sliding rail (6),
And be arranged in parallel with the Y-axis sliding rail (6), the Z axis grating scale item (8) is fixed on the Z axis slide rail (9), and with the Z
Axis sliding rail (9) is arranged in parallel.
6. the calibrating installation of magnetic encoder according to claim 5, which is characterized in that the reading head is 3,3
Reading head is separately positioned on X-axis slide block (7), Y-axis sliding block and Z axis sliding block (10), and respectively with the X-axis grating scale item (3),
The Y-axis grating scale item (5) and the Z axis grating scale item (8) are oppositely arranged, and the reading head is configured as: being capable of real-time acquisition
The X-axis slide block (7), the Y-axis sliding block and the Z axis sliding block (10) location information, to obtain the encoding pack (2)
Location information.
7. the calibrating installation of magnetic encoder according to claim 2, which is characterized in that the reading head includes for reading
Take the sensor of grating scale data.
8. the calibrating installation of magnetic encoder according to claim 7, which is characterized in that be provided on the grating scale item
Scale value, the sensor are configured as: the scale value being capable of real-time acquisition on grating scale item.
9. the calibrating installation of magnetic encoder according to claim 8, which is characterized in that the grating scale further includes display
Screen, the display screen are used to show the information of sensor.
10. the calibrating installation of magnetic encoder according to claim 1, which is characterized in that the permanent magnet (1) is fixed on
In the shaft of motor (11), the motor (11) is fixed on the testing jig.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821213412.3U CN208432264U (en) | 2018-07-27 | 2018-07-27 | The calibrating installation of magnetic encoder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821213412.3U CN208432264U (en) | 2018-07-27 | 2018-07-27 | The calibrating installation of magnetic encoder |
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| CN208432264U true CN208432264U (en) | 2019-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060028A (en) * | 2020-09-07 | 2020-12-11 | 江阴富茂电机技术有限公司 | Encoder positioning and mounting device |
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2018
- 2018-07-27 CN CN201821213412.3U patent/CN208432264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060028A (en) * | 2020-09-07 | 2020-12-11 | 江阴富茂电机技术有限公司 | Encoder positioning and mounting device |
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