CN2742391Y - Full automatic detector for indicator - Google Patents
Full automatic detector for indicator Download PDFInfo
- Publication number
- CN2742391Y CN2742391Y CN 200420108647 CN200420108647U CN2742391Y CN 2742391 Y CN2742391 Y CN 2742391Y CN 200420108647 CN200420108647 CN 200420108647 CN 200420108647 U CN200420108647 U CN 200420108647U CN 2742391 Y CN2742391 Y CN 2742391Y
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Abstract
The utility model discloses a full automatic detector for an indicator, comprising a computer device. A CMOS camera head is connected with the computer device through a USB interface. The camera head is fixed through a supporting frame and faces the detected meter which is fixed by a supporting frame, and the measuring rod of the detected meter contacts the displacement rod of a reference displacement device. The displacement rod drives a screw rod through a step motor and is pushed and displaced, so the pointer of the detected meter is rotated. A grating measuring device also can be installed, and the scale and the movable ruler of the grating measuring device are respectively connected with the base and the movable part of the full automatic detector for the indicator, providing the measuring basis. With simple structure, easy use and marked effect, the overall detection course of the full automatic detector for the indicator is carried out automatically, the speed being fast, the precision being high, and the popularity being easy.
Description
One, technical field
The utility model relates to a kind of calibrating installation, particularly, is a kind of full-automatic calibrating installation to pointer type indicating instrument.
Two, background technology
Pointer type indicating instrument particularly dial gauge, clock gauge is widely used in machining industry, parts to processing detect, therefore, produce the enterprise of these tables and metrological service and need carry out the performance calibrating the vertification regulation that the error of indication of these tables etc. is formulated according to relevant department.The tradition calibration method is with manually handling, the workload height, and efficient is low, and the human eye reading error is big, and precision is low.For this reason, some unit has developed different clock gauges, dial gauge calibrating instrument, but its common feature is still to be shown soon by the people, and it is big fundamentally not solve the human eye reading error, the problem that precision is low.In recent years, indivedual units had developed visual formula dial gauge, clock gauge calibrating instrument with the CCD camera, but cost is too high, and the popularization amount is minimum.
In addition, tensimeter is used also very general at present, at present there are problems such as the human eye reading error is big, precision is low equally in manometric calibration method, also is badly in need of solving the problem of automatic reading.
Three, utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of new indicating gauge full-automatic calibrating instrument, and the utility model has been realized the full-automatic calibrating installation of pointer indicating gauge of the high performance-price ratio that a kind of performance is good, price is low.
The utility model is achieved through the following technical solutions:
The full-automatic calibrating instrument of a kind of indicating gauge, include computer apparatus, camera, tested table fixed support, standard apparatus, described camera links to each other with computer apparatus by interface, camera is fixed by support, make it face tested table, tested table and standard apparatus join, the datum quantity of described standard apparatus is controlled by computer apparatus, standard apparatus provides a datum quantity, angle of the rotation of the pointer correspondence of tested table is passed through camera reading pointer indicating value by computer apparatus, thereby is finished data processing automatically.
The utility model adopts cheap CMOS camera on the market, is connected with computer apparatus with USB interface, and the height of the tested relatively table of CMOS camera and front and back position are by the adjusting gear adjustment on support or the support.
Tested table described in the utility model can be pointer clock gauge or dial gauge, also can be tensimeter.When tested table was clock gauge or dial gauge, corresponding standard apparatus was the basis displacement device; When tested table was tensimeter, corresponding standard apparatus was the datum pressure source.
Low for the cost that makes the basis displacement device, precision is high, this device is formed by stepper motor, dovetail groove base, guide rail, guide rail slide block, micrometer head, the support of computer apparatus control by one, tested table measuring staff touches mutually with the measuring staff of micrometer head.Stepper motor is fixed on can be along on the slide block of guide rail operation, and it links to each other with the wheel end of micrometer head by shaft joint, and the threaded sleeve end of micrometer head is fixed by the support that is fixed on the base.When computer apparatus control step motor rotated, the screw mandrel that drives micrometer head rotated, thereby made measuring staff produce displacement.Can calculate the displacement equivalent that stepper motor whenever makes a move by micrometer head screw mandrel pitch and stepper motor stepping angle, thus, can control displacement by the step number of control step motor.
In order further to improve the precision that the basis displacement device provides basis displacement (or length), on the basis of above-mentioned basic gearshift, open type mounting for grating in parallel, the displacement that the basis displacement device provides can be measured by this grating measuring device.Wherein, the moving chi of grating or read head are fixed on can be along on the slide block of guide rail operation, and scale is fixed on the base, requires the parallel installation with guide rail of grating chi.The grating reading head signal is connected with computer apparatus by front end circuit, a computer interface plate.
Grating measuring device can produce a zero signal, this zero signal point is at guide rail one end, and during calibrating, computer apparatus control step motor reverses, make stepper motor drive slide block and move past zero-bit along guide rail and put just to change into after a bit of distance and change, when moving on to zero-bit point to tested table to zero and lock.After this, provide basis displacement by computer apparatus by vertification regulation requirement control basis displacement device, make tested table rotate an angle, computer apparatus is read into indicating gauge indicating value by the CMOS camera, and then finishes related data processing and demonstration and print result etc. automatically.
The full-automatic calibrating instrument of above-mentioned indicating gauge, its further feature is: increase a displacement lever ratio on the basis of basis displacement device or title length displacement device, to reduce displacement error; Grating measuring device can be used reflective gratings, also available open type grating; Tested table fixed support can move along the base dovetail groove, and described tested table is pointer dial plate, and it is pointer dial gauge or clock gauge; Device main body is encapsulated in the housing, and the displacement bar of tested table fixed support, basis displacement device and camera are outside housing.
The tested table of the above-mentioned full-automatic calibrating instrument of indicating gauge also can be a tensimeter, is a datum pressure source for the standard apparatus of tensimeter correspondence, and tested table is connected on the datum pressure source.Above-mentioned datum pressure source can be made of the combination and the control device of hydraulic pump or vacuum pump or air lift pump or above-mentioned any pump.Computer apparatus links to each other with pressure transducer, control assembly by interface respectively.Computer apparatus changes datum pressure by the interface control assembly gradually, and passes through the pressure in the continuous detected pressures of pressure transducer source, when reaching the value of vertification regulation, reads the tensimeter indicating value by camera, thereby carries out automatic data processing.Described camera also can be the CMOS camera, and described interface also can be a USB interface, and the height of the tested relatively table of CMOS camera and front and back position can be by the adjusting gear adjustment on support or the support.
The utility model is simple in structure, with low cost, easy to use, effect is remarkable, finishes data processing and print result automatically by computer apparatus control, and whole verification process carries out automatically, has characteristics such as speed is fast, precision height.
Four, description of drawings
Fig. 1: composition frame chart of the present utility model;
Fig. 2: the structural representation of the utility model one embodiment;
Fig. 3: the structural representation of another embodiment of the utility model;
Fig. 4: the electric theory diagram of the utility model corresponding diagram 3 embodiment.
Five, embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment 1:
The full-automatic calibrating instrument of indicating gauge of the present utility model has a computer apparatus, camera, the computer here can be computing machine, microcomputer or notebook computer, in order to reduce cost, the present embodiment implementation has adopted the CMOS camera, it links to each other with computer apparatus by USB interface, it is fixed on the base by a support, the height on tested relatively surface and front and back position can be adjusted by the adjusting gear on the fixed support, tested table measuring staff touches mutually with a basis displacement device, and the displacement of this basis displacement device is controlled by control circuit by computer apparatus.Computer control basis displacement device provides a basis displacement, makes the pointer of tested table rotate an angle, crosses camera by the computer expert and reads tested indicating value, thereby finish data processing automatically.
The basis displacement device is formed by stepper motor, dovetail groove base, guide rail, guide rail slide block, micrometer head, the support of computer apparatus (by interface and control circuit) control by one.Stepper motor is fixed on can be along on the slide block of guide rail operation, and it links to each other (wheel of micrometer head changes coupling shaft into) with the wheel end of micrometer head by shaft joint, and the threaded sleeve end of micrometer head is fixed by the support that is fixed on the base.When computing machine or microcomputer-controlled step motor rotated, the screw mandrel that drives micrometer head rotated, thereby made the micrometer head measuring staff produce displacement.Displacement can be determined by screw mandrel pitch and motor stepping angle and institute's step number of walking.
Fig. 2 is the structural representation of present embodiment;
1 is the base of band dovetail groove among Fig. 2, and 2 and 3 are respectively micrometer head threaded sleeve end fixed support and tested table fixed support, and they can move along dovetail groove.4 is tested table, 5 is the CMOS camera, 6 and 7 are respectively the camera height and the adjustment screw mandrel transferred along the dovetail groove direction and adjust handle, adjust two respectively and adjust handles and can make camera up and down or move axially, so that the automatic reading process is adapted to the tested tables of different sizes.Axial adjustment screw mandrel of this adjusting mechanism and adjustment handle also can place the bottom; This adjusting gear can also can be designed to bascule with the camera support without screw mandrel, adjusts the back and tightens up with nut.8 is micrometer head; 9 is shaft joint; 10 are the fixing ring flange of stepper motor the device of ring flange (or be equivalent to), this ring flange and can being fixed as one along the slide block that guide rail moves.11 slide blocks for moving along guide rail, the slide block both sides are the high precision guide rail, and guide rail places on the pedestal, and pedestal is installed on the dovetail groove of base 1.12 is stepper motor, and the computer expert crosses the control circuit may command, and it rotates.Stepper motor is fixed on can be along on the slide block of guide rail operation, and it links to each other (wheel of micrometer head changes coupling shaft into) with the wheel end of micrometer head 8 by shaft joint 9, and the threaded sleeve end of micrometer head 8 is fixing by the support 2 that is fixed on the base.When computer apparatus control step motor 12 rotated, the screw mandrel that drives micrometer head 8 rotated, thereby made the micrometer head measuring staff produce displacement.Displacement can be determined by screw mandrel pitch and motor stepping angle and institute's step number of walking.Among Fig. 2 13 is one of circuit board, and 14 is shell.
Embodiment 2:
Substantially the same manner as Example 1, but in order to guarantee to make the high-precision shift value that provides of basis displacement device, its displacement is measured by a grating measuring device.As shown in Figure 3.Wherein, the moving chi of grating or read head 15 are fixed on can be along on the slide block 11 of guide rail operation, and what grating scale 16 was parallel with guide rail is installed on the base 1.The grating reading head signal is connected with computer by front end circuit, a computer interface plate.Grating chi and grating reading head also can be installed in the another side.
Wherein grating measuring device can be an open type mounting for grating; Also can be a reflective gratings measurement mechanism, require the grating chi parallel with guide rail.Described tested table fixed support can move along the base dovetail groove, and described tested table is pointer dial plate, and it is pointer dial gauge or clock gauge.
Fig. 4 is the electric theory diagram of this embodiment, its principle of work is: computer at first reads the grating zero-bit, and the control motor falls back on the zero-bit place, tested table is installed to after zero, the rotation of computer control motor makes the reach of micrometer head measuring staff, moving chi or read head that this displacement process has driven grating displacement sensor (this sensor is made up of grating scale and moving chi and reading device) simultaneously move, the output signal of reading device is through pre-process and signal condition, deliver to computer through interface circuit and be converted to shift value, computer constantly reads the shift value by grating measuring, when examining the shift value that the vertification regulation that arrives tested table requires, the computer expert crosses the CMOS camera and reads indicating gauge indicating value and record, again with next point of same process inspection and inspection return etc., can handle automatically record data and print result etc. by computer at last.
Embodiment 3:
Main part is substantially the same manner as Example 2, difference is that stepper motor is fixed on the base, and its axle links to each other with a leading screw by shaft joint, feed screw nut with can link to each other along the slide block that guide rail moves, slide block can directly connect with tested epiphase, also can connect by displacement bar and tested epiphase.The moving chi of grating is connected with part of feed screw nut movably or Slipper, and the scale of grating links to each other with base.The grating output signal links to each other with computer by interface board.Drive screw mandrel when stepper motor rotates and rotate, thereby slide block is moved, make measuring staff produce displacement.Displacement is measured by grating measuring device.
Embodiment 4:
Substantially the same manner as Example 1, but for guaranteeing to make the high-precision shift value that provides of basis displacement device, by a lever output, so that the displacement error that provides reduces M doubly, M is a lever ratio again in its displacement.
Most preferred embodiment of the present utility model is illustrated, and the various variations or the remodeling of being made by those of ordinary skills all belong to protection domain of the present utility model.
Claims (10)
1, the full-automatic calibrating instrument of a kind of indicating gauge, include computer apparatus, it is characterized in that: it also comprises camera, tested table fixed support, standard apparatus, described camera links to each other with computer apparatus by interface, camera is fixed by support, make it face tested table, tested table and standard apparatus join, the datum quantity of described standard apparatus is controlled by computer apparatus, standard apparatus provides a datum quantity, angle of the rotation of the pointer correspondence of tested table is passed through camera reading pointer indicating value by computer apparatus, thereby is finished data processing automatically.
2, the full-automatic calibrating instrument of indicating gauge according to claim 1, it is characterized in that: described standard apparatus is the basis displacement device, described datum quantity is the basis displacement amount, described camera is the CMOS camera, described interface is a USB interface, and the height of the tested relatively table of CMOS camera and front and back position are by the adjusting gear adjustment on support or the support.
3, the full-automatic calibrating instrument of indicating gauge according to claim 2, it is characterized in that: described basis displacement device is by stepper motor, base, guide rail, slide block, micrometer head, support is formed, described stepper motor is fixed on can be along on the slide block of guide rail operation, it links to each other with the wheel end of micrometer head by shaft joint, the threaded sleeve end of micrometer head is fixed by the support that is fixed on the base, when computer apparatus control step motor rotates, the screw mandrel that drives micrometer head rotates, thereby make the micrometer head measuring staff produce displacement, its displacement is determined by screw mandrel pitch and motor stepping angle and institute's step number of walking.
4, the full-automatic calibrating instrument of indicating gauge according to claim 3, it is characterized in that: described base is the dovetail groove base, described basis displacement device also comprises a displacement lever, to reduce displacement error, the displacement that described micrometer head measuring staff produces is determined by screw mandrel pitch, lever ratio and motor stepping angle and institute's step number of walking.
5. the full-automatic calibrating instrument of indicating gauge according to claim 3, it is characterized in that: the displacement that described micrometer head measuring staff produces is measured by a grating measuring device, wherein, the moving chi of grating or read head are fixed on can be along on the slide block of guide rail operation, scale is fixed on the base, and the grating reading head signal is connected with computer apparatus by front end circuit, a computer interface plate.
6, the full-automatic calibrating instrument of indicating gauge according to claim 5, it is characterized in that: described base is the dovetail groove base, described grating measuring device is an open type mounting for grating, it also can be a reflective gratings device, the grating chi is parallel with guide rail, described tested table fixed support can move along the base dovetail groove, and described tested table is pointer dial plate, and it is pointer dial gauge or clock gauge.
7, the full-automatic calibrating instrument of indicating gauge according to claim 2, it is characterized in that: described basis displacement device is by stepper motor, base, guide rail, slide block, leading screw and grating measuring device are formed, described stepper motor is fixed on the base, its axle links to each other with leading screw by shaft joint, feed screw nut with can link to each other along the slide block of guide rail operation, slide block and tested epiphase connect, the moving chi of grating partly is connected with feed screw nut movably, the scale of grating links to each other with base, the grating output signal links to each other with computer by interface board, when computer apparatus control step motor rotates, the drive screw mandrel rotates, thereby make slide block produce displacement, displacement is measured by grating measuring device.
8, the full-automatic calibrating instrument of indicating gauge according to claim 7, it is characterized in that: described base is the dovetail groove base, described grating measuring device can be used reflective gratings, also available open type grating, described tested table fixed support can move along the base dovetail groove, and described tested table is pointer dial plate.
9, the full-automatic calibrating instrument of indicating gauge according to claim 1, it is characterized in that: described tested table is a tensimeter, described standard apparatus is a datum pressure source, tested table is connected on the datum pressure source, described datum pressure source is made of the combination and the control device of hydraulic pump or vacuum pump or air lift pump or above-mentioned any pump, computer apparatus is respectively by interface and pressure transducer, control assembly links to each other, computer apparatus changes datum pressure by the interface control assembly gradually, and the pressure by the continuous detected pressures of pressure transducer source, when reaching the value of vertification regulation, read the tensimeter indicating value by camera, thereby carry out automatic data processing.
10, the full-automatic calibrating instrument of indicating gauge according to claim 9, it is characterized in that: described camera is the CMOS camera, described interface is a USB interface, and the height of the tested relatively table of CMOS camera and front and back position can be by the adjusting gear adjustment on support or the support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420108647 CN2742391Y (en) | 2004-11-11 | 2004-11-11 | Full automatic detector for indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420108647 CN2742391Y (en) | 2004-11-11 | 2004-11-11 | Full automatic detector for indicator |
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| Publication Number | Publication Date |
|---|---|
| CN2742391Y true CN2742391Y (en) | 2005-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420108647 Expired - Fee Related CN2742391Y (en) | 2004-11-11 | 2004-11-11 | Full automatic detector for indicator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995268B (en) * | 2009-08-21 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Measuring instrument indicating value error calculating system and method |
| CN104048693A (en) * | 2013-11-29 | 2014-09-17 | 广东电网公司电力科学研究院 | Fully-automatic pointer instrument calibration system based on machine vision images |
| CN104469166A (en) * | 2014-12-26 | 2015-03-25 | 国网重庆市电力公司电力科学研究院 | Image collecting control device and method |
| CN104534951A (en) * | 2015-02-01 | 2015-04-22 | 施小萍 | Hand-held terminal based detecting method |
| CN104677747B (en) * | 2015-02-01 | 2017-05-24 | 施小萍 | Detection method of measuring tool based on application (APP) |
| CN107388942A (en) * | 2016-05-17 | 2017-11-24 | 南京泓天仪器仪表有限公司 | A kind of architectural engineering detection rule for verticality calibrating installation |
| CN110132206A (en) * | 2018-02-09 | 2019-08-16 | 厦门精量校准检测技术有限公司 | Radian table prover |
-
2004
- 2004-11-11 CN CN 200420108647 patent/CN2742391Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995268B (en) * | 2009-08-21 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Measuring instrument indicating value error calculating system and method |
| CN104048693A (en) * | 2013-11-29 | 2014-09-17 | 广东电网公司电力科学研究院 | Fully-automatic pointer instrument calibration system based on machine vision images |
| CN104469166A (en) * | 2014-12-26 | 2015-03-25 | 国网重庆市电力公司电力科学研究院 | Image collecting control device and method |
| CN104469166B (en) * | 2014-12-26 | 2018-09-18 | 国网重庆市电力公司电力科学研究院 | A kind of Image Acquisition control device and method |
| CN104534951A (en) * | 2015-02-01 | 2015-04-22 | 施小萍 | Hand-held terminal based detecting method |
| CN104534951B (en) * | 2015-02-01 | 2017-04-19 | 施小萍 | Hand-held terminal based detecting method |
| CN104677747B (en) * | 2015-02-01 | 2017-05-24 | 施小萍 | Detection method of measuring tool based on application (APP) |
| CN107388942A (en) * | 2016-05-17 | 2017-11-24 | 南京泓天仪器仪表有限公司 | A kind of architectural engineering detection rule for verticality calibrating installation |
| CN110132206A (en) * | 2018-02-09 | 2019-08-16 | 厦门精量校准检测技术有限公司 | Radian table prover |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |