CN202101650U - Non-contact displacement measuring apparatus between sheets of commutator - Google Patents
Non-contact displacement measuring apparatus between sheets of commutator Download PDFInfo
- Publication number
- CN202101650U CN202101650U CN 201120199566 CN201120199566U CN202101650U CN 202101650 U CN202101650 U CN 202101650U CN 201120199566 CN201120199566 CN 201120199566 CN 201120199566 U CN201120199566 U CN 201120199566U CN 202101650 U CN202101650 U CN 202101650U
- Authority
- CN
- China
- Prior art keywords
- commutator
- displacement
- sheets
- sensor
- data
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
Provided is a non-contact displacement measuring apparatus between sheets of a commutator. The non-contact displacement measuring apparatus between sheets of a commutator is characterized by comprising a displacement test platform between sheets of a commutator and a control platform, wherein the displacement test platform between sheets of a commutator further comprises a commutator clamping motion and control apparatus, a CMOS laser sensor, and a sensor pedestal clamping device. The commutator clamping motion and control apparatus further comprises a speed regulation motor, a clamping device connected with the speed regulation motor, and a photoelectric encoder for obtaining the rotating speed of the speed regulation motor. In terms of control and data acquisition of the apparatus, the measuring of the depth of the grooves of various specifications, minor distance displacement amount, and physical quantity can be realized via the displacement sensor. After a commutator for test use is installed upon the displacement test platform between sheets of a commutator, under the detecting state, the motor for test platform starts to rotate evenly, and the HLC starts cycle scanning for data acquisition (the data is collected by the displacement sensor) and the data is stored on the controller for operation analysis at the same time. The stop bit of a circumference can be obtained via an OMRON encoder. The controller sends the data to a host computer after the data acquisition is stopped. The host computer makes the corresponding graph via secondary fitting based on the data and outputs the result. The non-contact displacement measuring apparatus between sheets of a commutator features high degree of automation amid the whole process, high precision, easy usage, and the like.
Description
Technical field
The utility model relates to the field of measurement of electric tool, relates in particular to displacement measuring device between a kind of contactless commutator segment.
Background technology
In our daily life, use products such as electric tool, body-building apparatus through regular meeting, owing to the product of such mechanical motion in use owing to invalid or irrational reason of mechanical protection, may produce harm to the person.For this type of harm is reduced to minimum; All all corresponding requirement of shelter can be proposed in the corresponding safety standard both at home and abroad to moving component braking time, movement velocity, the material deformation amount of product; Because we relate to the test of working time, noncontact high speed running speed degree and micro-displacement variable quantity in short-term through regular meeting; Because such movement change amount is extremely small, and can't contact measurement, if adopt traditional detection method to meet the demands.
Traditional shape profile testing tool such as roundness measuring equipment, beat appearance etc., its probe normally adopts the contact position to claim sensor, under certain test pressure, the measured workpiece surface is measured.But receive various condition restriction; Do not allow contact damage like working surface; Perhaps to soft, hard brittle material and special geometric shape surface (like interrupted surface, surface that radius-of-curvature is little etc.), superelevation precision surface (like semiconductor membrane, precision optics part); This moment, traditional tangent displacement sensor can't satisfy test request, also just can't obtain measurement data accurately.
Displacement measuring device can be regarded as a kind of profile tester between traditional commutator segment.During test, to guarantee that earlier high precision contact probe contacts with the effective of commutator face, is evenly rotated by the tested commutator of motor-driven, simultaneously image data again.Because the interval separate slot width of its measured surface of commutator after the groove milling also is unlikely to have influence on passing through of probe at 0.2-0.5mm.When the characteristic of obviously decline and rising appears in the detected displacement signal of popping one's head in, determine invalid notch data through software processes and also reject, just can draw the valid data of commutator profile then.But to not milling the commutator of groove, it is just powerless to change the touch probe.Testing tool adopts tangent displacement sensor basically between sheet commonly used both at home and abroad at present.
One piece of article " error testing appearance between contactless commutator segment " of being delivered by the Wang Qing of Shanghai Electric Tool Research Institute fine jade etc. was disclosed in " electric tool " in 2011; Contactless commutator segment between the error testing appearance is according to commutator copper bar and mica sheet metal and nonmetal between difference; To pop one's head in copper coin regard fixed polar plate and mobile pole plate respectively as, solve the not testing requirement of error between the groove milling commutator segment effectively.Adopt air dielectric variable pitch type capacitive transducer.Two sensor boards form a plane-parallel capacitor, and a battery lead plate immobilizes, and another pole plate is apart from the d response change; As long as measure the variation of electric capacity; Just can survey the polar plate spacing variable quantity,, calculate displacement between commutator segment owing to can carry out effective analog to digital conversion through computing machine etc.Though this test mode has and does not have friction, do not have characteristics such as wearing and tearing and inertialess, has following shortcoming:
At first, this variation of measuring electric capacity is an analog quantity, and the back calculates displacement between the sheet of commutator again through analog to digital conversion etc., and precision is not high.
Subsequently, the commutator that existing tester can not be directed against different model, different-diameter provides seamless measurement, uses inconvenient.
The utility model content
The utility model provides displacement measuring device between a kind of contactless commutator segment, has the technical matters that automaticity is low, precision is not high to solve prior art.
Displacement measuring device between a kind of contactless commutator segment comprises displacement measurement platform and control platform between commutator segment, wherein:
The displacement measurement platform further comprises commutator clamping movement and control device, CMOS laser sensor and sensor base clamping device between commutator segment; The commutator clamping movement further comprises buncher with control device, be connected the clamp device of buncher and in order to know the photoelectric encoder of buncher rotating speed; Fixing commutator to be measured of clamp device and the axle consistent with its internal diameter; The CMOS laser sensor is arranged on the sensor base clamping device, and said CMOS laser sensor faces commutator to be measured;
Said control platform comprises controller and PC at least; PC connects controller; Said controller electrically connects photoelectric encoder and CMOS laser sensor respectively; In order to receiving the signal that the CMOS laser sensor transmits and transmission circumference start bit information, the stop bit signal of photoelectric encoder, and restore the contour shape of commutator, calculate the maximal value of the adjacent two diameter run-out differences of commutator through controller.
Preferably, be respectively provided to few one or more adjusting gears on the said sensor base clamping device: adjusting gear, left and right sides adjusting gear and front and back adjusting gear up and down.
Preferably, the axle of the movable fixedly different inner diameters of clamp device, the commutator of the corresponding a kind of specification of the internal diameter of said axle.
Compared with prior art, the utlity model has following advantage:
The utility model not only provides the mode of displacement measurement between a kind of contactless commutator segment, and all adopts digital quantity to handle from measuring to output, and precision is very high.
Aspect the control and data acquisition of this displacement measurement system, realize the measurement of various different size depths of groove, small distance displacement and physical quantity through displacement transducer.Applied code has JB/T10107 " electric tool commutator " etc.
installs test and uses commutator on displacement measurement platform between commutator segment; After getting into detected state; Test platform begins at the uniform velocity to rotate with motor; HLC begins scan round image data (by the displacement transducer image data); Data are saved in controller simultaneously and carry out operational analysis, draw the stop bit of circumference through the OMRON scrambler, stop after the data acquisition controller and send data and give host computer; Host computer is corresponding figure according to the data quadratic fit, and the output result.Advantages such as whole process automation degree is high, and is easy to use.
Description of drawings
Fig. 1 is the schematic diagram of displacement measuring device between a kind of contactless commutator segment;
Fig. 2 is the instance graph of displacement measuring device between a kind of contactless commutator segment;
Fig. 3 is a commutator profile synoptic diagram.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1, the principle example figure of displacement measuring device between a kind of contactless commutator segment.It comprises displacement measurement platform 1 and control platform 2 between commutator segment, wherein:
Control platform 2 comprises host computer 21 and controller 22.
Host computer 21 (or claiming PC): select touch panel computer for use.Host computer is accomplished man-machine interface, data communication and data processing function.
Controller 22: controller completion system monitoring and data acquisition, calculation function.
Input interface:, therefore select for use laser sensor as this project data entering apparatus because the collection of motor message and displacement requires that speed is fast, precision is high.
Output interface: select solid-state relay for use, accomplish the system data control function.
Displacement measurement platform 1 further comprises commutator clamping movement and control device 13, CMOS laser sensor 34 and sensor base clamping device 35 (34 and 35 can merge into laser sensor and hold assembly 14) between commutator segment; The commutator clamping movement further comprises buncher 31 with control device 13, is connected the clamp device 32 and the photoelectric encoder 33 in order to know the buncher rotating speed of buncher; Clamp device 32 fixing commutators to be measured and the axle consistent with its internal diameter; CMOS laser sensor 34 is arranged on the sensor base clamping device 35, and CMOS laser sensor 34 faces commutator to be measured.
Controller electrically connects photoelectric encoder 33 and CMOS laser sensor 35 respectively; In order to the signal of reception CMOS laser sensor 35 transmission and transmission circumference start bit information, the stop bit signal of photoelectric encoder; And restore the contour shape of commutator through PC, calculate the maximal value of the adjacent two diameter run-out differences of commutator.
In the present embodiment, CMOS laser sensor 34 selects for use LV series digit length that Japanese KVELOCE company produces apart from laser sensor, to satisfy the requirement that detects.
LV series digit length is made up of apart from laser sensor sensing head and LV-21A amplifier two parts the LV-H32 number length apart from laser sensor.Even utilize semiconductor can make the LV series of products also can generate strong beam spot at a distance as light source.Even when wide, the LV series of products also can accurately detect and distinguish, and utilize light emitting diode can not reach this point as the sensor of light source.LV-H32 has following characteristics:
LV-H32 gives full play to the effect of super high power laser, and the furthest of detection can reach 1000mm, exceeds 30 times than any traditional sensor.Even target is a black, can only reflect a spot of laser beam, also can carry out stable detection.
Beam spot can be focused on a very little target.
Regardless of the distance that detects distance, can adjust the diameter of luminous point through the rotation focusing knob according to the size of commutator to be measured.
When commutator is rotating; PLC utilizes number length to detect the distance of its measured surface of reference point to commutator of laser sensor apart from laser sensor (being CMOS laser sensor 35); And, restore commutator profile diagram as shown in Figure 3 through receiving the motor speed that photoelectric encoder 33 records.
Displacement measurement platform 1 can be made structure as shown in Figure 2 between commutator segment; One pedestal 6; On pedestal 6, be provided for the sensor base clamping device 34 of clamping CMOS laser sensor 35; Be respectively provided to few one or more adjusting gears on the sensor base clamping device 34: adjusting gear, left and right sides adjusting gear and front and back adjusting gear up and down, so that can comprehensive adjustment CMOS laser sensor, can adjust luminous point to switching-over.One commutator clamping movement and control device 13 can also be set, outside the output shaft of adjustment motor 31 is presented in this device 13, so that can pass through clamping device clamping commutator 7 to be measured on pedestal 6.Adjustment motor 31 can be adjusted rotating speed of motor through being arranged on outer adjustment button 8, and adjustment motor 31 also connects photoelectric encoder 33, so that photoelectric encoder 32 can be good at detecting rotating speed of motor.
Below specify the measuring method of commutator segment to displacement:
1) prepares test
This test need be selected following testing equipment for use: the displacement measurement platform is 1 between the commutator segment of independent research, and 1 of HL-C2 displacement transducer connects commutator with 1 of coupling head
2) test process:
Commutator to be measured is equipped with the axle the same with its internal diameter, and they is fixed with clamp device.Go up subsequently the cylindrical grinder polishing, need polish, verify with smooth finish grade contrast paper to the desired commutator face smooth finish of standard.Then carry out under the room temperature/hypervelocity experiment and cooling under hot.At last with commutator together with interior axle, through coupling head together clamping to the motor shaft of commutator detection platform.
The power supply that is communicated with the HL-C2 displacement transducer of SUNX company is adjusted the position about its height, and the plane that makes commutator copper sheet to be detected keeps 90 to spend angles with the laser beam of sensor, and to make the RANGE pilot lamp on the sensor be yellow state.
Open the power switch of test platform, through the speed governing button on the rotary test platform, adjustment drives the rotating speed of the variable-frequency motor of commutator rotation, generally its rotating speed is adjusted into more than 50% of maximum (top) speed.
Operating software carries out the test of displacement between commutator segment, if detect failure, then need check commutator clamping situation and sensor placement location, and the speed control button on the adjustment detection platform detects after with the rotational speed increasing again.
More than the disclosed several specific embodiments that are merely the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (3)
1. displacement measuring device between a contactless commutator segment is characterized in that, comprises displacement measurement platform and control platform between commutator segment, wherein:
The displacement measurement platform further comprises commutator clamping movement and control device, CMOS laser sensor and sensor base clamping device between commutator segment; The commutator clamping movement further comprises buncher with control device, be connected the clamp device of buncher and in order to know the photoelectric encoder of buncher rotating speed; Fixing commutator to be measured of clamp device and the axle consistent with its internal diameter; The CMOS laser sensor is arranged on the sensor base clamping device, and said CMOS laser sensor faces commutator to be measured;
Said control platform comprises controller and PC at least, and PC connects controller, and said controller electrically connects photoelectric encoder and CMOS laser sensor respectively.
2. displacement measuring device between contactless commutator segment as claimed in claim 1 is characterized in that, is respectively provided to few one or more adjusting gears on the said sensor base clamping device: adjusting gear, left and right sides adjusting gear and front and back adjusting gear up and down.
3. displacement measuring device between contactless commutator segment as claimed in claim 1 is characterized in that, the axle of the movable fixedly different inner diameters of clamp device, the commutator of the corresponding a kind of specification of the internal diameter of said axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120199566 CN202101650U (en) | 2011-06-14 | 2011-06-14 | Non-contact displacement measuring apparatus between sheets of commutator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120199566 CN202101650U (en) | 2011-06-14 | 2011-06-14 | Non-contact displacement measuring apparatus between sheets of commutator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202101650U true CN202101650U (en) | 2012-01-04 |
Family
ID=45387658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120199566 Expired - Fee Related CN202101650U (en) | 2011-06-14 | 2011-06-14 | Non-contact displacement measuring apparatus between sheets of commutator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202101650U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322802A (en) * | 2011-06-14 | 2012-01-18 | 上海出入境检验检疫局机电产品检测技术中心 | Measuring device for minute displacement of non-contact type rotating object |
| CN102645917A (en) * | 2012-03-30 | 2012-08-22 | 山东商业职业技术学院 | Integrated intelligent monitoring system of vehicle-mounted multiple cold accumulation boxes |
| CN103115595A (en) * | 2013-01-17 | 2013-05-22 | 温州科奇比威自动化设备有限公司 | Automatic checkout device for commutator bars |
| CN107505069A (en) * | 2017-10-17 | 2017-12-22 | 河北工业大学 | A kind of pressure detecting system based on capacitive displacement transducer |
| CN107576485A (en) * | 2017-08-03 | 2018-01-12 | 上海电动工具研究所（集团）有限公司 | The device and method of error between a kind of measurement commutator dynamic piece |
-
2011
- 2011-06-14 CN CN 201120199566 patent/CN202101650U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322802A (en) * | 2011-06-14 | 2012-01-18 | 上海出入境检验检疫局机电产品检测技术中心 | Measuring device for minute displacement of non-contact type rotating object |
| CN102645917A (en) * | 2012-03-30 | 2012-08-22 | 山东商业职业技术学院 | Integrated intelligent monitoring system of vehicle-mounted multiple cold accumulation boxes |
| CN103115595A (en) * | 2013-01-17 | 2013-05-22 | 温州科奇比威自动化设备有限公司 | Automatic checkout device for commutator bars |
| CN103115595B (en) * | 2013-01-17 | 2015-06-17 | 黄其清 | Automatic checkout device for commutator bars |
| CN107576485A (en) * | 2017-08-03 | 2018-01-12 | 上海电动工具研究所（集团）有限公司 | The device and method of error between a kind of measurement commutator dynamic piece |
| CN107576485B (en) * | 2017-08-03 | 2019-08-06 | 上海电动工具研究所（集团）有限公司 | It is a kind of measurement commutator dynamic piece between error device and method |
| CN107505069A (en) * | 2017-10-17 | 2017-12-22 | 河北工业大学 | A kind of pressure detecting system based on capacitive displacement transducer |
| CN107505069B (en) * | 2017-10-17 | 2023-06-09 | 河北工业大学 | Pressure detection system based on capacitive displacement sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102322802B (en) | Measuring method for minute displacement of non-contact type rotating object | |
| CN202101650U (en) | Non-contact displacement measuring apparatus between sheets of commutator | |
| CN201221938Y (en) | Non-contact intelligent off-line testing instrument of large-scale cylinder workpiece | |
| CN103822605B (en) | Splicing measuring device of optical elements of large caliber profile | |
| CN108188835B (en) | Machine vision-based numerical control machine tool spindle thermal elongation testing device and testing method | |
| CN102937409A (en) | Polar coordinate gear measurement center and zero calibrating method thereof | |
| CN102359759B (en) | Measuring system for electrical runout amount of revolving body | |
| CN102198634B (en) | Measuring method and device for in process measurement on crank shaft contour | |
| CN103817562A (en) | Method and device for detecting parameters of cutter | |
| CN101187538A (en) | Screw gauge detection method | |
| CN102615594B (en) | Grinding wheel grinding force detection method in shaft part machining process | |
| CN102814707B (en) | Device and method for determining trigger stroke of trigger sensor | |
| CN103522127B (en) | A kind of on-machine measurement device and method for the processing of swinging curved profile | |
| CN103196493B (en) | The measurement mechanism of a kind of microscale torsional angle and moment of torsion and measuring method | |
| CN203751831U (en) | Detection device for cutter parameters | |
| CN108594212A (en) | A kind of comprehensive range unit | |
| CN202119413U (en) | Non-contact measuring device for radial runout of output shaft of motor in state of motion | |
| CN203534551U (en) | Compressor rotor detection apparatus | |
| CN104596383A (en) | Multifunctional comprehensive detecting tool and method | |
| CN104215171A (en) | Noncontact laser ray measuring method for internal threads | |
| CN109186501A (en) | High precision photoelectric sensor angles detection system, scaling method and detection method | |
| CN202255307U (en) | Roller contour error on-line measurement device for roller | |
| CN102539068B (en) | Device and method for automatically measuring and interpreting pressure of plastic pressure-measurement sensitive element | |
| CN209432058U (en) | A kind of contactless cutter dynamic jump measuring instrument | |
| CN206990472U (en) | A kind of PRECISION-FORGED STRAIGHT BEVEL GEARS on-line measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20120614 |