CN203964871U - A kind of specific coding identification and system for monitoring displacement - Google Patents
A kind of specific coding identification and system for monitoring displacement Download PDFInfo
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- CN203964871U CN203964871U CN201420324515.2U CN201420324515U CN203964871U CN 203964871 U CN203964871 U CN 203964871U CN 201420324515 U CN201420324515 U CN 201420324515U CN 203964871 U CN203964871 U CN 203964871U
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Abstract
The utility model discloses a kind of specific coding identification and system for monitoring displacement, comprise coding reading device, coding-belt, mounting bracket and control center.In the both sides shape of a saddle groove of coding reading device, respectively there is a window, in two windows, embed respectively two original screen panels identical with window size, on original screen panel, all have the hole of sensor diameter, in the hole of Liang Slotted original screen panel, insert respectively receiving end and the transmitting terminal of infrared ray sensor; Coding-belt is that an imprinting has a string steel band that does not repeat binary coding string.The utility model adopts infrared opposite-radiation scan mode, has improved antijamming capability.The utility model adopts contactless working method, does not have the problems such as frictional dissipation flutter failure, has improved the adaptive faculty of system.The utility model is stablized for the sensor signal that reads coding, and long-play does not misplace, and has met the demand of total travel displacement detecting.Response time of the present utility model is short, is applicable to the equipment of high-speed mobile, is convenient to safeguard.
Description
Technical field
The utility model relates to a kind of specific coding identification and system for monitoring displacement, station identification and the position probing of particularly suitable in the long stroke track equipment of large span.
Background technology
Along with scientific and technical develop rapidly, modern industrial equipment changes the chain fully automatic operation of equipment oneself into gradually by loaded down with trivial details manual coordination production produces.For the vital effect of having cooperatively interacted of multiple devices, in order to meet the accurate location of equipment, there is a kind of mode of determining position with recognition coding in the detection of positional information wherein in displacement detecting field.The device that adopts the mode of coding to detect displacement on market is mainly coding cable sensor, and this device mainly contains four features: (1) contactless mode: coding cable displacement transducer is that the antenna box by being arranged on movement station and the other coding cable of mobile device track that is laid in carry out electromagnetic coupled and carry out transmission of information.All can normally work from 30 millimeters to 300 millimeters in antenna box and coding cable gap, machinery-free contact wear; (2) absolute position detection: due to coding cable heart yearn with Gray code mode intersect twisting arrange, ensure the omnidistance non-overlapping point of crossing of coding cable heart yearn, can in the mobile vehicle domain of walk, detect continuously, accurately specific address, accuracy of detection reaches 5 millimeters, can meet the pinpoint demand of mobile vehicle completely; (3) antijamming capability is strong: because coding cable has used distinctive intersection twisting structure and phase-detection technology, can eliminate the electromagnetic interference (EMI) that power supply is opened, stopped producing in process, be not subject to the impact of environmental noise and received signal level fluctuation, can work reliably for a long time in the severe environmental conditions such as such as iron ore field yet; (4) be applicable to severe industrial environment: be arranged on outdoor coding cable, antenna box, top case, termination rack and intersegmental case and adopt nonmetallic materials to make and adopt sealing technology, be not afraid of rainwater, dust, acid and alkali resistance corrosion.
But it is relatively strict that this device uses environmental requirement, temperature requirement, at-20-85 DEG C, can not have severe corrosive object contact, and large electric current, high voltage device etc. can not be installed near coding cable.Under reality industrial environment, high temperature, corrosive substance, electromagnetic radiation source ubiquity, in order to tackle the problems referred to above, occur that one is laser reflection detection technique, principle is that the limit end of the facility that positions at needs is set up a reflecting plate, a laser beam emitting device is installed on equipment, when equipment operation, send laser, return by reflecting plate, by measuring, calculate distance, thereby determine position, this device contrast locating is more accurate, but in this device use procedure, can not there be shelter centre, and hypertelorism, or air pollution, impurity is too many, when the too large grade of dust, all affect the use of laser.
In a word, in prior art, high precision position detection device exists can only realize the accurate detection of discrete location and the problem such as its antijamming capability, rugged surroundings adaptive faculty and durability degree be poor, cannot meet the demand that some special occasions detect for the continuous dislocation of total travel.
Summary of the invention
The problems referred to above that exist for solving prior art, the utility model will design that a kind of antijamming capability is strong, adaptable, durability degree is high, can realize specific coding identification and the system for monitoring displacement of the demand that total travel continuous dislocation detects.
To achieve these goals, the technical solution of the utility model is as follows: a kind of specific coding identification and system for monitoring displacement, comprise coding reading device, coding-belt, mounting bracket and control center; In the both sides shape of a saddle groove of described coding reading device, respectively there is a window, in two windows, embed respectively two original screen panels identical with window size, on original screen panel, all have the hole of sensor diameter, in the hole of Liang Slotted original screen panel, insert respectively receiving end and the transmitting terminal of infrared ray sensor; Described coding-belt is arranged on mounting bracket along the orbital direction of equipment under test, utilizes coding reading device to obtain the code holes size information of the record on coding-belt by non-contacting mode; Described control center is PLC control system, it is installed on respectively on the diverse location of equipment under test with coding reading device, and be connected with one group of signal wire with one group of cable, along with equipment moves together, the switching value that PLC control system is collected the infrared ray sensor in coding reading device changes, and converts the specific address of equipment by certain algorithm to;
Described coding-belt is that an imprinting has a string steel band that does not repeat binary coding string, represents binary zero and 1 by the square opening of imprinting different in width on steel band; On coding-belt, the coded message of imprinting is stored in control center with the form of coding schedule, and wherein single code channel design, has two kinds of code channel functions: the one, and encoded recording function, the 2nd, reference clock spacing;
The housing of described coding reading device and coding-belt all adopt stainless steel material to make.
Compared with prior art, the utlity model has following beneficial effect:
1, because the utility model adopts infrared opposite-radiation scan mode, improved antijamming capability.
2, because the utility model adopts contactless working method, there is not the problems such as frictional dissipation flutter failure, improved the adaptive faculty of system.
3, because no matter the utility model is that the housing of coding reading device or the stainless steel material that coding-belt all adopts are made, not perishable, structure is little and firm, and impact resistance is high temperature resistant, has improved durability degree.
4, because the utility model is stablized for the sensor signal that reads coding, long-play does not misplace, and has met the demand of total travel displacement detecting.
5, the response time of the present utility model short, be applicable to the equipment of high-speed mobile (reaching as high as 13m/s), be convenient to safeguard.
6, the utility model can be widely used on the commercial unit under industrial environment, provides Reliable guarantee, as the buggy ladle of iron and steel domain, torpedo tank car contraposition control for the continuous dislocation of commercial unit detects; The coke over machinery in coking field; The tippler in harbour handling field, stacker-reclaimer; All kinds of gate-types of Crane Industry, overhead travelling crane; Robotization storehouse of logistics field etc.In field of track traffic, can be applied too in addition.
7, the accurate detection of the utility model to equipment continuous dislocation, for equipment fully automatic operation and unmanned operation provide strong guarantee.Application of the present utility model can reduce personnel's manipulation strength and hazardous environment operating personnel quantity effectively, has increased the safety and reliability of producing simultaneously and has had economic benefit and social value widely.
8, more than 8,400 ten thousand overhead travelling crane are just produced in the whole nation between 2006-2010 according to statistics, if wherein one of percentage is applied the utility model, will produce great economic benefit and social benefit.
9, the utility model improves by continuous experiment, accuracy of detection successively can be brought up to highlyer, and accuracy of detection is mm level.
Brief description of the drawings
4, the total accompanying drawing of the utility model, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is infrared ray sensor scheme of installation.
Fig. 3 is coding-belt schematic diagram.
Fig. 4 is coding reading device schematic diagram.
In figure: 1, coding reading device, 2, infrared ray sensor, 3, original screen panel, 4, coding-belt, 5, mounting bracket.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.As Figure 1-4, a kind of specific coding identification and system for monitoring displacement, comprise coding reading device 1, coding-belt 4, mounting bracket 5 and control center.In the both sides shape of a saddle groove of described coding reading device 1, respectively there is a window, in two windows, embed respectively two original screen panels 3 identical with window size, on original screen panel 3, all have the hole of sensor diameter, in the hole of Liang Slotted original screen panel 3, insert respectively receiving end and the transmitting terminal of infrared ray sensor; Described coding-belt 4 is arranged on mounting bracket 5 along the orbital direction of equipment under test, utilizes coding reading device 1 to obtain the code holes size information of the record on coding-belt 4 by non-contacting mode; Described control center is PLC control system, it is installed on respectively on the diverse location of equipment under test with coding reading device 1, and be connected with one group of signal wire with one group of cable, along with equipment moves together, the switching value that PLC control system is collected the infrared ray sensor in coding reading device 1 changes, and converts the specific address of equipment by certain algorithm to;
Described coding-belt 4 is that an imprinting has a string steel band that does not repeat binary coding string, represents binary zero and 1 by the square opening of imprinting different in width on steel band; On coding-belt 4, the coded message of imprinting is stored in control center with the form of coding schedule, and wherein single code channel design, has two kinds of code channel functions: the one, and encoded recording function, the 2nd, reference clock spacing;
The housing of described coding reading device 1 and coding-belt 4 all adopt stainless steel material to make.
Principle of work of the present utility model is as follows: obtain the positional information on coding-belt 4 by coding reading device 1, by control center, positional information is converted to concrete absolute position value.So just can be in the moving process of equipment continuous detecting device location.
The built-in many group correlation infrared ray sensors 2 of coding reading device 1, take two kinds of modes of serial reading code and parallel reading code, consider generally to take the mode of serial reading code from system cost.After needing success to read continuously n bits of coded, could accurately judge that current location n is for coding figure place in the time that system is moved first.As 6 codings, its maximum encoded radio is 32, and while operation first, equipment needs correctly to read continuously 6 bits of coded, can judge current location, and only need to move a bits of coded can detect current location information afterwards.
On coding-belt 4, the coded message of imprinting can be stored in control center with the form of coding schedule, after the information of obtaining on coding-belt, can determine fast positional value by the mode of tabling look-up.Owing to being originally encoded to unduplicated binary code sequence, therefore binary coded value of every acquisition has unique positional value corresponding thereto.If there is in theory abundant binary code sequence just can ensure the unrestriction of monitoring distance and high accuracy of detection.In the coding imprinting of coding-belt 4, adopt single code channel design, two kinds of code channel functions.Its function one is encoded recording function, and its function two is reference clock spacing.Because the distance of this side of the next notch of a certain lateral extent of the notch of institute's imprinting is fixed on coding-belt, so can utilize this characteristic, in the time that reading, coding also set up a reference clock to detect fit applications with it.This reference design can direct-detection goes out the real-time speed of equipment under test, by the processing in some programs, can calculate acceleration, and can be to detect provides reliability higher.By the cooperation of reference clock function, can judge voluntarily direction, there is direction just can ensure, the equipment that locating device is installed can, in the free break-in in some positions, all can accurately be checked through position, does not lose accuracy.
Control center refers to PLC control system, and its main task is that the switching value of collecting infrared ray sensor 2 changes, and converts the specific address of equipment by certain algorithm to.
The implementation method of the utility model high precision continuous detecting is as follows:
By install the quantity of infrared ray sensor 2 additional in coding reading device 1, and arrange according to certain rule, can realize high precision continuous detecting.For example: by the datum width location 15mm in hole on coding-belt 4, the hole width of data " 0 " is 5mm, the hole width of data " 1 " is 10mm, coding reading device middle infrared (Mid-IR) sensor 2 is divided into two groups of A, B, group A has 3 infrared ray sensors 2, be designated as respectively a, b, c, the distance of ab is 2mm, and the distance of ac is 8mm; Group B arranges 3 infrared ray sensors 2 equally, is designated as respectively d, e, f, and the distance of de is 4mm, and the distance of df is 6mm.If the distance of we ad is set to 30mm, equipment is moved to d direction by a, and a and d trigger at the left margin of representative ' 1 ' or ' 0 ' lattice, and equipment is moved to d direction by a, now there will be following situation:
1) a and d are corresponding while being ' 1 ' before triggering:
A or d detect signal intensity, now b=1, and c=1, e=1, f=1,
When c is from 1 becomes 0, equipment has moved 2mm to f side;
When f is from 1 becomes 0, equipment has moved 2mm to f side;
When e is from 1 becomes 0, equipment has moved 2mm to f side;
When b is from 1 becomes 0, equipment has moved 2mm to f side;
……。
2) a and d are corresponding while being ' 0 ' before triggering:
A or d detect signal intensity, now b=1, and c=0, e=1, f=0,
When e is from 1 becomes 0, equipment has moved 1mm to f side;
When b is from 1 becomes 0, equipment has moved 2mm to f side;
When d (a) is from 1 becomes 0, equipment has moved 2mm to f side;
When c is from 0 becomes 1, equipment has moved 2mm to f side;
When f is from 0 becomes 1, equipment has moved 2mm to f side;
When e is from 0 becomes 1, equipment has moved 1mm to f side;
……。
3) a and d trigger before a corresponding ' 1 ', when d correspondence ' 0 ':
A or d detect signal intensity, now b=1, and c=1, e=1, f=0,
When e is from 1 becomes 0, equipment has moved 1mm to f side;
When c is from 1 becomes 0, equipment has moved 1mm to f side;
When d is from 1 becomes 0, equipment has moved 3mm to f side;
When c is from 0 becomes 1, equipment has moved 2mm to f side;
When b is from 1 becomes 0, equipment has moved 1mm to f side;
When f is from 0 becomes 1, equipment has moved 1mm to f side;
When a is from 1 becomes 0, equipment has moved 1mm to f side.
……。
4) a and d trigger before a corresponding ' 0 ', when d correspondence ' 1 ':
A or d detect signal intensity, now b=1, and c=0, e=1, f=1,
When b is from 1 becomes 0, equipment has moved 3mm to f side;
When f is from 1 becomes 0, equipment has moved 1mm to f side;
When a is from 1 becomes 0, equipment has moved 1mm to f side;
When e is from 1 becomes 0, equipment has moved 1mm to f side;
When c is from 0 becomes 1, equipment has moved 1mm to f side;
When d is from 1 becomes 0, equipment has moved 3mm to f side.
Because coding-belt 4 has reference clock spacing (Wei Jia interval, logical each hole is fixed), by mode above, high precision computation can be carried out in one of them position, hole, thereby then circulate and realize the detection of total travel high precision with a reference clock spacing.
Claims (1)
1. specific coding identification and a system for monitoring displacement, is characterized in that: comprise coding reading device (1), coding-belt (4), mounting bracket (5) and control center; In the both sides shape of a saddle groove of described coding reading device (1), respectively there is a window, in two windows, embed respectively two original screen panels identical with window size (3), on original screen panel (3), all have the hole of sensor diameter, in the hole of two original screen panels (3), insert respectively receiving end and the transmitting terminal of infrared ray sensor; It is upper that described coding-belt (4) is arranged on mounting bracket (5) along the orbital direction of equipment under test, utilizes coding reading device (1) to obtain the code holes size information of the record on coding-belt (4) by non-contacting mode; Described control center is PLC control system, it is installed on respectively on the diverse location of equipment under test with coding reading device (1), and be connected with one group of signal wire with one group of cable, along with equipment moves together, the switching value that PLC control system is collected the infrared ray sensor in coding reading device (1) changes, and converts the specific address of equipment by certain algorithm to;
Described coding-belt (4) is the steel band that an imprinting has the square opening of a string different in width;
Housing and the coding-belt (4) of described coding reading device (1) all adopt stainless steel material to make.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420324515.2U CN203964871U (en) | 2014-06-17 | 2014-06-17 | A kind of specific coding identification and system for monitoring displacement |
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| CN201420324515.2U CN203964871U (en) | 2014-06-17 | 2014-06-17 | A kind of specific coding identification and system for monitoring displacement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307043A (en) * | 2020-03-24 | 2020-06-19 | 上海勃发空间信息技术有限公司 | Displacement monitoring system based on structured light |
| CN114838742A (en) * | 2022-05-27 | 2022-08-02 | 成都唐源智控技术有限责任公司 | Accurate stroke positioning system allowing large deviation |
| WO2022242078A1 (en) * | 2021-05-18 | 2022-11-24 | 浙江衣拿智能科技股份有限公司 | Steel strip warehousing system |
-
2014
- 2014-06-17 CN CN201420324515.2U patent/CN203964871U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307043A (en) * | 2020-03-24 | 2020-06-19 | 上海勃发空间信息技术有限公司 | Displacement monitoring system based on structured light |
| WO2022242078A1 (en) * | 2021-05-18 | 2022-11-24 | 浙江衣拿智能科技股份有限公司 | Steel strip warehousing system |
| CN114838742A (en) * | 2022-05-27 | 2022-08-02 | 成都唐源智控技术有限责任公司 | Accurate stroke positioning system allowing large deviation |
| CN114838742B (en) * | 2022-05-27 | 2024-05-03 | 成都唐源智控技术有限责任公司 | Accurate travel positioning system capable of tolerating large deviation |
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| 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: 20141126 Termination date: 20170617 |