CN204612725U - A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power - Google Patents
A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power Download PDFInfo
- Publication number
- CN204612725U CN204612725U CN201520146875.2U CN201520146875U CN204612725U CN 204612725 U CN204612725 U CN 204612725U CN 201520146875 U CN201520146875 U CN 201520146875U CN 204612725 U CN204612725 U CN 204612725U
- Authority
- CN
- China
- Prior art keywords
- prism
- car
- guide rail
- electro
- optical distance
- 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
- 230000004304 visual acuity Effects 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000012795 verification Methods 0.000 abstract description 5
- 230000033001 locomotion Effects 0.000 description 10
- 238000005259 measurement Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Landscapes
- Measurement Of Optical Distance (AREA)
Abstract
A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power, comprise guide rail, guide rail one end is provided with digital dial gauge and stepper motor by holder, step motor shaft is fixedly connected with ball-screw, guide rail is placed with simultaneously the prism car as sliding table, the nut coordinated with ball-screw is fixedly mounted on prism car, and prism car is installed with prism simultaneously, the measuring staff of described digital dial gauge and guide rail parallel, the end close contact of measuring staff contact and prism car.Stepper motor drives prism car to move, so by digital dial gauge by the Displacement Feedback of prism to Single Chip Microcomputer (SCM) system, form closed-loop control and meticulous adjustment thus, realize the automatic actual displacement of prism in electro-optical distance instrument verification process.Prism mobile accuracy of the present utility model is high, cost is low, practical and system has tractability, greatly can improve electro-optical distance instrument resolving power calibrating efficiency, reduce human factor to the impact of measuring process.
Description
Technical field
The utility model belongs to surveying instrument technical field, relate to a kind of electro-optical distance instrument resolving power calibrating installation, particularly utilize the closed-loop control system be made up of stepper motor unit 2, digital dial gauge 4, Single Chip Microcomputer (SCM) system 1 to realize the automatically accurately mobile of prism in verification process.
Background technology
Electro-optical distance instrument and total powerstation (ranging unit) are a kind of high-precision electronic surveying instruments being widely used in the fields such as engineering survey, control survey, earth measurement, land deeds and House property survey, construction lofting, commercial measurement and location, coastal waters.As a kind of length-measuring instrument frequently used at multiple fields, for ensureing that Instrument measuring precision needs regularly (every year) to examine and determine.
Discernmible minor increment when resolving power refers to that stadimeter is found range is the important parameter evaluating electro-optical distance instrument range capability.Clearly essential items for inspection are classified as in national metrological verification regulations JJG 703-2003 " electro-optical distance instrument vertification regulation ", and regulation has been made to calibration method: " repeat range finding after instrument being sighted reflecting prism mark, get 10 readings and ask its mean value to be distance measurement value.Range finding, by the null position of check-out console, moves reflecting prism 10 times at equal intervals, and each movement is spaced apart 1.1mm ".
Relevant metering validation activity domestic at present all treats test examination instrument and guide rail according to the requirement of code setting up respectively at a distance of the position of about 30m, and be positioned over by prism can along on the worktable of guide rail movement, move prism by travelling table, the movement of worktable mainly contains following two kinds of methods:
1, moved by hand: take clock gauge as benchmark, to be fixed on clock gauge on guide rail and the measuring staff of clock gauge to be contacted with worktable along guide rail direction, at every turn by the artificial indicating value hand propelled movable workbench 1.1mm according to clock gauge.The method is widely used at present, but positioning by manually aiming at clock gauge, needing two people's cooperatings during calibrating, owing to aiming at, number of times is more, workload is large simultaneously, and measuring process may be affected by human factors, cause prism mobile accuracy low, calibrating efficiency poor.
2, movement automatically: using laser interferometer as length standard, utilizes automation equipment to realize the movement of prism.This mode is at present by mechanism's research and development and uses such as national electro-optical distance instrument inspection center, Xi'an University of Technologys, which is owing to have employed high-precision laser interferometer real time positioning technology and automated control technology, there is the advantage that prism mobile accuracy is high, reproducible, be not subject to interference from human factor, can effectively improve calibration accuracy and efficiency.But laser interferometer price is very expensive, and maintenance cost is high, which is not easy to be used more widely.
Utility model content
The purpose of this utility model is to overcome prior art above shortcomings, a kind of precision is provided and automaticity is high, cost is low and can trace to the source for electro-optical distance instrument resolving power calibrating prism automatic shift system, to improve calibrating efficiency and the precision of electro-optical distance instrument.
In order to reach above object, the technical solution of the utility model is:
A kind of prism automatic shift system for the calibrating of stadimeter resolving power, comprise guide rail, guide rail one end is provided with digital dial gauge and stepper motor by holder, step motor shaft is fixedly connected with ball-screw, guide rail is placed with simultaneously the prism car as sliding table, the nut coordinated with ball-screw is fixedly mounted on prism car, and prism car is installed with prism simultaneously, the measuring staff of described digital dial gauge and guide rail parallel, the end close contact of measuring staff contact and prism car.
Described stepper motor is connected with Single Chip Microcomputer (SCM) system respectively with digital dial gauge.
Described Single Chip Microcomputer (SCM) system has wireless communication module, and described wireless communication module is connected to telepilot by 315MHz signal.
Advantage of the present utility model and beneficial effect:
Compared with classic method, the utility model utilizes step motor control prism to move, adopts digital dial gauge to measure displacement, the error introduced when can effectively avoid artificial hand steered prism to aim at clock gauge; Digital dial gauge is compared with laser interferometer simultaneously, also can reduce use cost and the maintenance cost of device while ensureing traceability and precision largely.
Advantage of the present utility model is that the prism mobile accuracy in calibrating installation is high, cost is low, practical and system has tractability; Use it for the technical requirement that the calibrating of electro-optical distance instrument resolving power meets national verification code, greatly can improve electro-optical distance instrument resolving power calibrating efficiency and precision, reduce human factor to the impact of measuring process.
Accompanying drawing explanation
Fig. 1 is overall formation block diagram of the present utility model;
Fig. 2 is apparatus structure schematic diagram of the present utility model.
Embodiment
Illustrate further below in conjunction with embodiment and accompanying drawing 2 pairs of the utility model thereof.
As shown in Figure 2, for the prism automatic shift system of stadimeter resolving power calibrating, comprise guide rail 1, guide rail one end is provided with digital dial gauge 3 and stepper motor 4 by holder 2, step motor shaft is fixedly connected with ball-screw 5, guide rail is placed with simultaneously the prism car 6 as sliding table, the nut 7 coordinated with ball-screw is fixedly mounted on prism car 6, prism car 6 is installed with prism 8 simultaneously, the measuring staff 9 of described digital dial gauge 3 is parallel with guide rail 1, the end close contact of measuring staff contact 10 and prism car 6.
Described stepper motor is connected with Single Chip Microcomputer (SCM) system respectively with digital dial gauge.
Described Single Chip Microcomputer (SCM) system has wireless communication module, and described wireless communication module is connected to telepilot by 315MHz signal.
Described ball-screw and nut assemble and can do suitable fine setting, to ensure prism car to be driven to move along guide rail direction by nut when stepper motor screw turns; Ensure that the measuring staff contact of digital dial gauge can keep in touch with prism car when prism car moves in effective range, and digital dial gauge measuring staff direction is parallel with prism car direction of motion simultaneously, therefore can the displacement of Precise Representation prism in guide rail direction.
As shown in Figure 1, described prism automatic shift system take Single Chip Microcomputer (SCM) system as control core, screw pair is driven to control the movement of prism motion platform (i.e. prism car and prism) by Driving Stepping Motor unit, by digital dial gauge, the relative displacement of prism car is fed back to Single Chip Microcomputer (SCM) system again, form closed-loop control and meticulous adjustment thus, realize the automatic actual displacement of prism in electro-optical distance instrument verification process.
Described Single Chip Microcomputer (SCM) system comprises the one-chip computer module and wireless communication module that adopt C8051F021 processor, and wherein said one-chip computer module has multiple I/O interface and a RS232 protocol interface.
Described wireless communication module is connected to one-chip computer module by I/O port, and by instruction that 315MHz Signal reception telepilot sends.
Described stepper motor unit comprises the stepper motor driver being connected with stepper motor and rotating with the leading screw being used as transmission, stepper motor, Driving Stepping Motor.Described leading screw is the ball-screw of external diameter 12mm helical pitch 4mm, and effective length is 125mm.Described stepper motor is 42BYGH33 type.Described stepper motor driver matches with stepper motor, works in 2 segmentation working methods, and namely step angle is 0.9 °, and stepper motor driver can receive steering order that single-chip microcomputer I/O interface sends thus determine the step number that stepper motor rotates and speed.
Described motion platform comprises the sliding table and bar shaped guide rail that are installed with prism, and stepper motor is fixed on bar shaped guide rail, and sliding table can prolong guide rail direction and slide, and is fixedly equipped with the T-nut that leading screw T-shaped with stepper motor matches in sliding table.
Described digital dial gauge is that precision can reach ± communicated with the digital dial gauge of 5 μm, and measuring staff length is 25.4mm, and send measurement data to Single Chip Microcomputer (SCM) system in real time by RS232 interface protocol, digital dial gauge is per second transmits about 4 ~ 8 groups of measurement data.Digital dial gauge is fixed on bar shaped guide rail, and measuring staff direction is parallel with guide rail direction, and the contact of measuring staff is connected with sliding table.
The utility model is as follows for course of work during electro-optical distance instrument resolving power calibrating installation:
Operating personnel send the order of " prism moves 1.1mm " to wireless communication module by telepilot, and be I/O signal by wireless communication module transcoding.One-chip computer module calculates the number of turns that leading screw needs corresponding rotation after receiving this instruction by I/O port, conversion method is: because the step angle using stepper motor work is 0.9 °, then the rotate a circle number of steps of required stepper motor of leading screw is 400 steps, and because of the helical pitch of leading screw be 4mm, then stepper motor often walks the distance of corresponding prism movement is 0.01mm, therefore prism moves 1.1mm, and stepper motor needs stepping 110 step.
Consider the phenomenons such as the step-out of stepper motor, overshoot, for improving prism translational speed, each prism moves all first by stepper motor stepping 110 step, in units of step, accurate adjustment is carried out by stepper motor again according to the measurement data of clock gauge feedback, with guarantee the prism range accuracy moved once reach ± 10 μm, time controling is within 1s.
Above embodiment is only the utility model a kind of embodiment wherein, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (3)
1. the prism automatic shift system for the calibrating of electro-optical distance instrument resolving power, it is characterized in that this system comprises guide rail, guide rail one end is provided with digital dial gauge and stepper motor by holder, step motor shaft is fixedly connected with ball-screw, guide rail is placed with simultaneously the prism car as sliding table, the nut coordinated with ball-screw is fixedly mounted on prism car, prism car is installed with prism simultaneously, the measuring staff of described digital dial gauge and guide rail parallel, the end close contact of measuring staff contact and prism car.
2. the prism automatic shift system for the calibrating of electro-optical distance instrument resolving power according to claim 1, is characterized in that described digital dial gauge is connected with Single Chip Microcomputer (SCM) system respectively with stepper motor.
3. the prism automatic shift system for the calibrating of electro-optical distance instrument resolving power according to claim 2, it is characterized in that described Single Chip Microcomputer (SCM) system has wireless communication module, described wireless communication module is connected to telepilot by 315MHz signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146875.2U CN204612725U (en) | 2015-03-16 | 2015-03-16 | A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146875.2U CN204612725U (en) | 2015-03-16 | 2015-03-16 | A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204612725U true CN204612725U (en) | 2015-09-02 |
Family
ID=53965278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520146875.2U Expired - Fee Related CN204612725U (en) | 2015-03-16 | 2015-03-16 | A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204612725U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444782A (en) * | 2015-12-02 | 2016-03-30 | 苏州迅威光电科技有限公司 | Full-automatic detection system and method for indoor baselines |
| CN110044271A (en) * | 2019-04-19 | 2019-07-23 | 武汉地震计量检定与测量工程研究院有限公司 | A kind of geodimeter circular error measurement method |
| CN112595345A (en) * | 2019-05-24 | 2021-04-02 | 厦门芯曙光科技有限公司 | Prism accurate positioning device for detecting total station |
-
2015
- 2015-03-16 CN CN201520146875.2U patent/CN204612725U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444782A (en) * | 2015-12-02 | 2016-03-30 | 苏州迅威光电科技有限公司 | Full-automatic detection system and method for indoor baselines |
| CN105444782B (en) * | 2015-12-02 | 2018-10-12 | 苏州迅威光电科技有限公司 | The indoor full-automatic detection method of baseline |
| CN110044271A (en) * | 2019-04-19 | 2019-07-23 | 武汉地震计量检定与测量工程研究院有限公司 | A kind of geodimeter circular error measurement method |
| CN112595345A (en) * | 2019-05-24 | 2021-04-02 | 厦门芯曙光科技有限公司 | Prism accurate positioning device for detecting total station |
| CN112595345B (en) * | 2019-05-24 | 2022-07-26 | 厦门芯曙光科技有限公司 | Prism accurate positioning device for detecting total station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203079561U (en) | Crane gauge deviation value automatic monitoring device | |
| CN204329941U (en) | The measurement mechanism of machine tool guideway linearity | |
| CN105277129B (en) | A kind of contactless gauge measuring system of laser range sensor dynamic | |
| CN204612725U (en) | A kind of prism automatic shift system for the calibrating of electro-optical distance instrument resolving power | |
| CN202083309U (en) | Automatic calibrating apparatus of wide-range general calipers | |
| CN103964154B (en) | Control method of combined positioning control system | |
| CN102636137B (en) | REVO (Resident Encrypted Variable Output) measuring head position posture calibrating method in joint arm type coordinate measuring machine | |
| CN1952687A (en) | Automatic collimating method and collimator set for light path of colidar | |
| CN203519646U (en) | Laser positioning calibration device for wind direction sensor | |
| CN104229633A (en) | Method for detecting bridge crane runway and wheel group by using laser distance measuring instrument | |
| CN202661047U (en) | Rail gauge measuring device for large-span overhead rail of traveling crane | |
| CN104535974A (en) | Boresight device of airplane radar system and using method of boresight device | |
| CN102221335A (en) | Positioning system and method for engineering machine | |
| CN203349785U (en) | Laser measurement device and system for adjustable propeller blade | |
| CN203076717U (en) | Large gear machining machinery | |
| CN107218877A (en) | A kind of screw rod testing apparatus for verticality | |
| CN110497931A (en) | A kind of trouble area track condition detection method | |
| CN109520444A (en) | A kind of large-size horizontal tensile testing machine parallelism of machine body measuring device and its measurement method | |
| CN204101578U (en) | Inertia turntable angular speed calibrating installation | |
| CN105444782A (en) | Full-automatic detection system and method for indoor baselines | |
| CN202188818U (en) | Large span machine tool guide rail parallelism measuring apparatus | |
| CN108088342A (en) | A kind of microminiature positions roll-setting gear | |
| CN204718552U (en) | cylinder sleeve detector | |
| CN203572483U (en) | Dipmeter | |
| CN206362359U (en) | Single goal method digital level calibrating installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 |