CN201407994Y - Photoelectric length meter - Google Patents
Photoelectric length meter Download PDFInfo
- Publication number
- CN201407994Y CN201407994Y CN2009201184172U CN200920118417U CN201407994Y CN 201407994 Y CN201407994 Y CN 201407994Y CN 2009201184172 U CN2009201184172 U CN 2009201184172U CN 200920118417 U CN200920118417 U CN 200920118417U CN 201407994 Y CN201407994 Y CN 201407994Y
- Authority
- CN
- China
- Prior art keywords
- pin
- photoelectric
- length measuring
- measuring instrument
- chip
- 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
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 22
- 230000005622 photoelectricity Effects 0.000 claims description 22
- 206010070834 Sensitisation Diseases 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 9
- 230000008313 sensitization Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model relates to a photoelectric length meter belonging to the technical field of length measuring equipment. The photoelectric length meter comprises a photoelectric sensor, wherein a light emitting diode, a convex mirror lens and a photoelectric navigation chip are arranged in the photoelectric sensor, a light-sensitive eye is formed in the photoelectric navigation chip, the light emitting diode, the convex mirror lens and the light-sensitive eye in the photoelectric navigation chip are in a light path connection, a signal output terminal of the photoelectric sensor is connectedwith a signal input terminal of a monolithic processor processing system, and a corresponding interface of the monolithic processor processing system is connected with a serial liquid crystal displayunit. The photoelectric length meter mainly comprises a photoelectric sensor, a monolithic processor and a display screen, and can achieve the purpose of detecting the direction and speed of a movingobject by using the photoelectric navigation chip, the circuit design is simple, the length measurement is easy to realize according to the monolithic processor program design, and compared with the traditional length measuring system, the photoelectric length meter has the advantages of small volume, convenient control, high precision, high stability, high reliability, low total cost and high cost-performance ratio, and is suitable for various devices required for length measurement such as cloth inspecting machines, cloth rewinders, setting machines, cable machinery, and the like.
Description
Technical field
The utility model belongs to the linear measure longimetry apparatus technology, is specifically related to a kind of photoelectricity length measuring instrument of measuring length.
Background technology
The technical merit of electronic product and corresponding production equipment is one of important symbol of a national industrial base capability.The application of light mechanical and electrical integration, can develop with better function, better electronic product of new generation of performance and equipment, can improve the robotization and the intelligent level of product, enlarge usable range, cut down the consumption of energy reduced volume, weight reduction, improve reliability, make product possess the more performance price ratio and the stronger market competitiveness.
Improve and change performance, quality, breed structure and the supporting present situation of traditional electronic product, intelligent product and supermatic technical equipment that exploitation has the market competitiveness, promote the upgrading of traditional electronic product, satisfy the needs of the national economic development technical equipment.
In the electronic product design, need the relative motion state between inspected object sometimes, comprise the speed of travel direction and motion.If adopt mechanical detection architecture, need two body surfaces to contact, meeting is owing to the smooth error that causes of rolling wheel wear and roller, and this is not allow direct contact measurement in some occasion.Solution is to adopt photoelectric device, but when using the common photoelectric measuring method, the design of hardware, the computing of single-chip microcomputer are relatively complicated.The optical navigation chip that uses can realize detecting the direction and the speed of moving object, and circuit design is simple, and the Single Chip Microcomputer (SCM) program design realizes easily.
The utility model content
At problems of the prior art, the purpose of this utility model be to provide a kind of hardware design simple, control photoelectricity length measuring instrument technical scheme easily, improve measuring accuracy, and control is convenient.
Described photoelectricity length measuring instrument, it is characterized in that comprising photoelectric sensor, be equipped with light emitting diode, convex lens camera lens, optical navigation chip in the photoelectric sensor, the sensitization eye is set in the optical navigation chip, light path is connected between the sensitization eye in light emitting diode, convex lens camera lens and the optical navigation chip, the signal output part of photoelectric sensor connects the signal input part that scm managing system is set, and the corresponding interface connection of scm managing system is provided with the serial liquid crystal display.
Described photoelectricity length measuring instrument is characterized in that described optical navigation chip connects to connect behind the navigation controller scm managing system is set.
Described photoelectricity length measuring instrument is characterized in that connecting on the interface of described scm managing system correspondence PC is set.
Described photoelectricity length measuring instrument is characterized in that the model of described optical navigation chip is ANDS-2051, and the model of single-chip microcomputer is AT89S51 in the scm managing system.
Described photoelectricity length measuring instrument, the model that it is characterized in that described navigation controller is MDT80C06.
Described photoelectricity length measuring instrument, it is characterized in that connecting on the 14th pin of described optical navigation chip ANDS-2051 current-limiting resistance R1 is set, connect between the 9th pin, 11 pin crystal oscillator Y1 is set, be arranged in parallel capacitor C 1, C2 between the 7th pin, 8 pin, 1 pin is the serial clock input end, and 16 pin are serial data I/O end.
Described photoelectricity length measuring instrument is characterized in that connecting on the corresponding interface of single chip computer AT 89S51 in the described scm managing system memory module, house dog, crystal oscillator Y2 is set.
Described photoelectricity length measuring instrument is characterized in that connecting respectively on external frequency modulation resistance R 2,9 pin of 7 pin, 10 pin, 11 pin of described navigation controller MDT80C06 button K1, K2, K3 is set.
Described photoelectricity length measuring instrument, the model that it is characterized in that described memory module is AT24C02, the model of house dog is DS1232.
The utility model is made up of photoelectric sensor, single-chip microcomputer, display screen and circuit board etc., the optical navigation chip that uses can realize detecting the direction and the speed of moving object, circuit design is simple, the Single Chip Microcomputer (SCM) program design realizes linear measure longimetry easily, with photoelectric detecting technology, embeddedly combine for the disposal system technology, compare with the conventional lengths measuring system, volume is little, control is convenient, precision is high, stability is high, reliability is high, total cost is low, cost performance is high, is applicable to that cloth inspecting machine, batcher, forming machine and cable machinery etc. need to measure on the equipment of length.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a theory diagram of the present utility model;
Fig. 3 is a hardware circuit diagram of the present utility model.
Among the figure: 1-light emitting diode, 2-testee, 3-convex lens camera lens, 4-sensitization eye, 5-optical navigation chip, 6-navigation controller, 7-scm managing system, 8-serial liquid crystal display, 9-memory module, 10-house dog, 11-PC machine, 12-photoelectric sensor.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The photoelectricity length measuring instrument, comprise photoelectric sensor 12, be equipped with light emitting diode 1, convex lens camera lens 3, optical navigation chip 5 in the photoelectric sensor 12, sensitization eye 4 is set in the optical navigation chip 5, light path is connected between the sensitization eye 4 in light emitting diode 1, convex lens camera lens 3 and the optical navigation chip 5, the signal output part of optical navigation chip 5 connects the signal input part that scm managing system 7 is set, the model of optical navigation chip 5 is ANDS-2051 in the present embodiment, and the model of 7 single-chip microcomputers is AT89S51 in the scm managing system.Also can be connected between photoelectric sensor 5 and the scm managing system 7 navigation controller 6 is set, the model of navigation controller 6 is MDT80C06.The corresponding interface connection of scm managing system 7 is provided with serial liquid crystal display 8, memory module 9, house dog 10, crystal oscillator Y2, PC 11, and the model of memory module 9 is AT24C02, and the model of house dog 10 is DS1232.
The hardware of system connects as shown in Figure 3.ADNS-2051 is the DIP16 encapsulation among the figure, and 16 pins are arranged, and possesses LED driving force and battery saving mode on the sheet are arranged.Wherein the 6th pin is the laser LED drive end, can drive the HLMP-ED80 laser LED, and its Wavelength of Laser is 639nm.The 14th pin R_BIN is the current-limiting resistance end of laser LED, and current-limiting resistance R1 size depends on the model of LED, and native system is 15K ohm.The 13rd pin is the 5V power positive end, and 10,12 pins are power supply ground ends.The 9th pin, 11 pin are respectively crystal oscillator input end OSC-IN and crystal oscillator output terminal OSC-OUT, the crystal oscillator Y1 of the external 18MHz in two ends.7 pin, 8 pin are two internal reference ends, and parallel connection outside meets the electrochemical capacitor C1 of 4.7uf and the ceramic condenser C2 of 0.1uf.15 pin are optical navigation chip power down control end PD, work during high level.The 1st pin, 16 pin are respectively serial clock input end and serial data I/O end, are connected with the corresponding end of navigation controller 6MDT80C06.
MDT80C06 is with DIP16 encapsulation among the figure, in have the RC oscillatory circuit, the about 7MHZ of frequency is adjusted frequency by the non-essential resistance of pin 7, the about 180K ohm of the resistance of frequency modulation resistance R 2.The 8th pin PD is a rotary selector, and resolution is 800DPI during high level.The 13rd pin, 14 pin are respectively clock line CLK end and the data line DATA ends of MDT80C06, connect P2.0, the P2.1 port of single-chip microcomputer.The R of MDT80C06, M, L end are respectively to connect button K1, K2, K3 are set, and its button input as this measuring instrument is used.
In order to increase the stability of system, single chip part has memory module 9, house dog 10.The chip DS1232 of house dog 10 has two functions, realizes the voltage monitoring of system and prevents single chip microcomputer halt.When system's supply voltage hanged down with 4.5V or single chip microcomputer halt, DS1232 can be restarted Single Chip Microcomputer (SCM) system.Memory module 9 adopts nonvolatile memory AT24C02, and when system normally moved, the significant data during zero point parameter and operation all was retained in the memory module 9.When can read automatically after the system restart predefined (or setting last time) has related parameter, realized that the power down data protect automatically from memory module 9.The corresponding interface connection of scm managing system 7 is provided with serial liquid crystal display 8, and serial liquid crystal display 8 can show movable information and the testee length that single-chip microcomputer calculates.
Measuring process is as follows: it includes image acquisition system (IAS), digital signal processor (DSP), binary channels quadrature output port optical navigation chip 5ADNS-2051.A sensitization eye 4 is arranged in the bottom of chip, and function such as same small-sized camera can constantly be taken pictures to object, and the image of twice of front and back are sent into handle among the DSP, judge the direction of movement of objects and the displacement size that moves.Light emitting diode 1 sends laser, laser through the reflection of testee 2 after excess convexity lens head 3 carries out optically focused enters then in the sensitization eye 4 that is provided with in the photoelectric sensor 5ADNS-2051, this moment, the alignment sensor of ADNS-2051 will begin operation, if testee 2 is in motion state, can trigger the IAS of sensor, see through camera lens and illuminator and capture minimum surface image.The processing of these images processes DSP, direction that obtains moving and distance, the shift value that DSP produces can be converted into the binary channels orthogonal signal.The binary channels orthogonal signal are input to interface corresponding in the navigation controller 6, navigation controller 6MDT80C06 converts the binary channels orthogonal signal to PS/2 data layout that single-chip microcomputer can be handled, single-chip microcomputer is according to the PS/2 data that receive, judge moving direction and translational speed size that measured object is put forward, by according to the program processing data that has set in the single-chip microcomputer and calculate, show length and speed on the serial liquid crystal display 8 being sent to then.Connect on 7 the corresponding interface in the scm managing system PC 11 is set, can will handle, store in the data importing PC 11 in the single-chip microcomputer.
Software setting is as follows: data transmit and to meet the PS/2 agreement between MDT80C06 and the interface microcontroller, the detection system software design the core be chip microcontroller PS/2 agreement.The PS/2 agreement is two-way communication, only needs two lines to be connected with single-chip microcomputer and can finish communication function, two clock line and data lines that line is respectively MDT80C06.Single-chip microcomputer promptly can receive motion state data data from MDT80C06, also can send control command to MDT80C06, and reception or transmit status have single-chip microcomputer by controlling the clock signal decision of PS/2 interface.Chip MDT80C06 sends the clock signal of interface under the normal condition, and single-chip microcomputer changes the reception data according to clock signal, the data-signal of interface.If single-chip microcomputer wants transmitting control commands to MDT80C06, it can at any time drag down certain hour (at least 100 microsecond) to clock and get final product.
ADNS-2051 detection reaction speed is by its sweep frequency decision, support resolution and the sweep velocity of the highest 2300 frame/seconds of 800CPI through programming, can measure the displacement of minimum 1/800 inch size like this, can carry out the highest 2300 samplings by per second.The clock frequency of PS/2 interface maximum is 33kHz, and most of PS/2 equipment works are at 10-20kHz.The native system single-chip microcomputer uses the crystal oscillator of 24MHz, can easily finish the PS/2 interface function.System is except that using house dog, storage chip to increase the system stability, and signal of sensor is a pulse signal, and its stability is relatively good, is not subject to external noise and disturbs, and metering circuit is not had specific (special) requirements.Systematic survey is an optical system, has life-span length, need not to increase the compensating circuit characteristics.
Claims (9)
1. photoelectricity length measuring instrument, it is characterized in that comprising photoelectric sensor (12), be equipped with light emitting diode (1) in the photoelectric sensor (12), convex lens camera lens (3), optical navigation chip (5), sensitization eye (4) is set in the optical navigation chip (5), light emitting diode (1), light path is connected between the sensitization eye (4) in convex lens camera lens (3) and the optical navigation chip (5), the signal output part of photoelectric sensor (12) connects the signal input part that scm managing system (7) are set, and the corresponding interface connection of scm managing system (7) is provided with serial liquid crystal display (8).
2. photoelectricity length measuring instrument as claimed in claim 1 is characterized in that described optical navigation chip (5) connects the connection of navigation controller (6) back scm managing system (7) is set.
3. photoelectricity length measuring instrument as claimed in claim 1 is characterized in that connection is provided with PC (11) on the corresponding interface of described scm managing system (7).
4. photoelectricity length measuring instrument as claimed in claim 1 is characterized in that the model of described optical navigation chip (5) is ANDS-2051, and the model of (7) single-chip microcomputer is AT89S51 in the scm managing system.
5. photoelectricity length measuring instrument as claimed in claim 2, the model that it is characterized in that described navigation controller (6) is MDT80C06.
6. photoelectricity length measuring instrument as claimed in claim 4, it is characterized in that connecting on the 14th pin of described optical navigation chip (5) ANDS-2051 current-limiting resistance R1 is set, connect between the 9th pin, 11 pin crystal oscillator Y1 is set, be arranged in parallel capacitor C 1, C2 between the 7th pin, 8 pin, 1 pin is the serial clock input end, and 16 pin are serial data I/O end.
7. photoelectricity length measuring instrument as claimed in claim 4 is characterized in that connecting on the corresponding interface of single chip computer AT 89S51 in the described scm managing system (7) memory module (9), house dog (10), crystal oscillator Y2 is set.
8. photoelectricity length measuring instrument as claimed in claim 5 is characterized in that connecting respectively on external frequency modulation resistance R 2,9 pin of 7 pin, 10 pin, 11 pin of described navigation controller (6) MDT80C06 button K1, K2, K3 is set.
9. photoelectricity length measuring instrument as claimed in claim 7, the model that it is characterized in that described memory module (9) is AT24C02, the model of house dog (10) is DS1232.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201184172U CN201407994Y (en) | 2009-04-23 | 2009-04-23 | Photoelectric length meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201184172U CN201407994Y (en) | 2009-04-23 | 2009-04-23 | Photoelectric length meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407994Y true CN201407994Y (en) | 2010-02-17 |
Family
ID=41678929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201184172U Expired - Fee Related CN201407994Y (en) | 2009-04-23 | 2009-04-23 | Photoelectric length meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407994Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482864A (en) * | 2014-12-31 | 2015-04-01 | 浙江海洋学院 | Measuring device for cephalopods |
| CN106123788A (en) * | 2016-03-17 | 2016-11-16 | 南京信息工程大学 | A kind of meter counter based on non-contact laser imaging technique |
| CN107192338A (en) * | 2017-06-30 | 2017-09-22 | 郑州完美屹克科技有限公司 | Noncontact length-measuring appliance |
| CN107726978A (en) * | 2016-08-14 | 2018-02-23 | 新疆畜牧科学院畜牧业质量标准研究所 | Animal lint length intensities detector |
| CN113916148A (en) * | 2021-11-09 | 2022-01-11 | 浙江师范大学 | Method for detecting indentation crack depth of silicate glass |
-
2009
- 2009-04-23 CN CN2009201184172U patent/CN201407994Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482864A (en) * | 2014-12-31 | 2015-04-01 | 浙江海洋学院 | Measuring device for cephalopods |
| CN106123788A (en) * | 2016-03-17 | 2016-11-16 | 南京信息工程大学 | A kind of meter counter based on non-contact laser imaging technique |
| CN107726978A (en) * | 2016-08-14 | 2018-02-23 | 新疆畜牧科学院畜牧业质量标准研究所 | Animal lint length intensities detector |
| CN107726978B (en) * | 2016-08-14 | 2024-04-12 | 新疆畜牧科学院畜牧业质量标准研究所 | Animal plush length intensity detector |
| CN107192338A (en) * | 2017-06-30 | 2017-09-22 | 郑州完美屹克科技有限公司 | Noncontact length-measuring appliance |
| CN113916148A (en) * | 2021-11-09 | 2022-01-11 | 浙江师范大学 | Method for detecting indentation crack depth of silicate glass |
| CN113916148B (en) * | 2021-11-09 | 2023-05-16 | 浙江师范大学 | Method for detecting indentation crack depth of silicate glass |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201407994Y (en) | Photoelectric length meter | |
| CN102313622A (en) | Capacitance detection circuit and capacitive type pressure transmitter | |
| CN201600587U (en) | Automatic vending machine replenish alarm achieving device | |
| CN203758459U (en) | Linear array CCD-based grating displacement sensor | |
| CN103105159A (en) | Differential settlement monitoring instrument for high-speed rail | |
| CN203704915U (en) | Digital wireless inclination angle measuring instrument | |
| CN209495660U (en) | It can be improved the control circuit of Portable label printer label gap detection precision | |
| CN201335718Y (en) | Bubble-type water gauge | |
| CN215338415U (en) | High-speed railway line monitoring system based on cloud communication | |
| CN202083511U (en) | Intelligent wireless capacitive pressure transmitter | |
| CN213123337U (en) | Traffic detection device | |
| CN208752581U (en) | A kind of novel air mouse | |
| CN104048638A (en) | Pushing-type plane flatness measuring and controlling device | |
| CN107797950A (en) | A kind of real-time reading circuit of encoder | |
| CN204129034U (en) | The integrated water quality monitoring sensor of the multi-functional multiparameter of water environment | |
| CN203444516U (en) | Automatically ball-counting apparatus of intelligent ball-picking robot | |
| CN202502053U (en) | Portable printing mesh dot measuring instrument | |
| CN204228952U (en) | A kind of laser ranging display device | |
| CN207070225U (en) | A kind of network-type under-mine TV ground instrument | |
| CN112782962A (en) | Mechanical intelligent watch | |
| CN202267532U (en) | Handheld light measuring probe device | |
| CN206532118U (en) | A kind of S type force-sensing sensors of data signal output | |
| CN202472916U (en) | Long-distance wireless measuring device for ambient temperature | |
| CN214703983U (en) | Rotary solid laser radar | |
| CN200993005Y (en) | Oil well working condition monitoring 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: 20100217 Termination date: 20120423 |