CN102445322A - Device for detecting comprehensive performance of light curtain and safety grating - Google Patents
Device for detecting comprehensive performance of light curtain and safety grating Download PDFInfo
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- CN102445322A CN102445322A CN2011102828709A CN201110282870A CN102445322A CN 102445322 A CN102445322 A CN 102445322A CN 2011102828709 A CN2011102828709 A CN 2011102828709A CN 201110282870 A CN201110282870 A CN 201110282870A CN 102445322 A CN102445322 A CN 102445322A
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- light curtain
- measuring mechanism
- shade
- safe grating
- light
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Abstract
The invention discloses a device for automatically detecting the comprehensive performance of a light curtain and a safety grating. The device can be used for automatically detecting the power supply application ranges, effective detection ranges, effective detection heights, blind area detection, quantities of emitting-receiving points, vertical allowable misplacement distances, horizontal allowable misplacement, longitudinal allowable misplacement angels, transverse allowable misplacement angles, response time and light interference resistance of the light curtain and the safety grating according to the practical use conditions, and can be used for automatically performing reliability testing according to set conditions. The device comprises a horizontal moving and measuring mechanism, a horizontal misplacing and measuring mechanism, a vertical misplacing and measuring mechanism, a rotational misplacing and measuring mechanism, a shade vertical moving and measuring mechanism, a shade rotational moving and measuring mechanism, a response time measuring device, a light interference measuring device, a programmable power supply and a computer-PLC (Programmable Logic Controller) control network for the light curtain and the safety grating.
Description
Affiliated technical field
The present invention relates to the test unit of elevator parts, specifically, is that a kind of light curtain, safe grating to uses such as plant equipment such as elevator and automatic assembly lines carries out the device that combination property detects.
Background technology
Present elevator nearly all adopts power-actuated door engine; Often occur in the situation of passenger that elevator door closes collision turnover car in the closed procedure, goods, vehicle; Cause the passenger injured, the accident that goods, vehicle and elevator door damage particularly causes bigger injury to child, old man easily; Elevator light curtain is just in order to prevent that collision accident from taking place, a kind of very important protective device of the safety of protection passenger, goods and equipment itself.In addition; In manufacture field; Light curtain, safe grating also are widely used on some plant equipment with potential danger (like press, shearing equipment, metal cutting equipment, automated assembly line, robotization sealing wire, mechanical transmission haulage equipment, hazardous location), with the personal injury of protection plant equipment to the operating personnel.We can say that light curtain, safe grating have been widely used in the movable relevant field of people, people's safety of life and property is played important protective effect.
The manufacturing enterprise of the light curtain of China, safe grating is more at present, and output is also very big, but the detection technique of product is also relatively backward with device; The general manual method that adopts is carried out the individual event Performance Detection to product; Detection efficiency is low, and can not truly reflect light curtain, the combination property of safe grating under actual environment for use condition, can't realize that combination property detects; Cause the quality of product uneven, because of its fault, inefficacy cause the situation of equipment out of use even accident to happen occasionally.
Summary of the invention
To the problems referred to above; The objective of the invention is to manufacture and design a kind of light curtain, safe grating combination property automatic detection device; This device can detect its combination property automatically according to light curtain, the actual operating position of safe grating, and can carry out fail-test automatically according to the condition of setting.
For realizing above-mentioned purpose; The present invention takes following technical scheme: a kind of light curtain, safe grating combination property automatic detection device; It comprises moving horizontally of light curtain, safe grating and measuring mechanism, horizontal displacement and measuring mechanism, vertical dislocation and measuring mechanism, rotary shifted and measuring mechanism, shade vertical movement and measuring mechanism, shade rotatablely moves and measuring mechanism, response time measurement mechanism, light interferometry device, programmable power supply and computing machine-PLC Control Network; See accompanying drawing 1, the composition and the function of each several part are following:
1, horizontal displacement and measuring mechanism drive light curtain, the horizontal move toward one another of safe grating transmitting and receiving device and location through stepper motor; And through rotary encoder with (or) the horizontal move toward one another distance of grating measuring, can detect maximum effective detection range, the smallest effective detection range of light curtain, safe grating automatically.
2, horizontal displacement and measuring mechanism move through the transmitting and receiving device horizontal displacement that stepper motor drives light curtain, safe grating; And through rotary encoder with (or) grating measuring dislocation distance, the level of measuring light curtain, safe grating allows the dislocation distance automatically.
3, vertical dislocation and measuring mechanism through stepper motor drive the light curtain, the vertical dislocation of safe grating transmitting and receiving device is moved and through rotary encoder and (or) grating measuring dislocation distance, the vertical permission dislocation distance of measuring light curtain, safe grating automatically.
4, rotary shifted and measuring mechanism through stepper motor drive the light curtain, the safe grating transmitting and receiving device is rotary shifted and through rotary encoder and (or) bevel protractor measures the anglec of rotation, the permission of measuring light curtain, safe grating dislocation angle automatically.
5, shade vertical movement and measuring mechanism drive the shade vertical movement through stepper motor; And through rotary encoder with (or) the grating measuring move distance, automatically the maximum probe height of measuring light curtain, safe grating, the minimum height, blind area scope, light beam number, send-receive surveyed are counted.
6, the shade rotational motion mechanism rotatablely moves through buncher drive shade, can carry out fail-test to each send-receive point of light curtain, safe grating in conjunction with the shade vertical movement mechanism.
7, the response time measurement mechanism comprises shade horicontal motion mechanism, position optoelectronic switch, electrographic recording appearance three parts; Wherein horicontal motion mechanism drives the shade tangential movement through stepper motor; The position optoelectronic switch can detect the exact position that shade gets into light curtain, the effective search coverage of safe grating; Oscillograph can write down time and light curtain, the safe grating of shade automatically and export the time of signal, thereby accurately measure the response time.
8, light interference and measurement mechanism comprise high-pressure mercury lamp, automatic voltage regulator, illuminometer three parts; Wherein high-pressure mercury lamp can simulated solar irradiation spectrum; With certain angle directive light curtain, the receiving end of safe grating, as jamming light source, automatic voltage regulator can be according to the stray light illumination of setting; Automatically regulate the output voltage of supplying with high-pressure mercury lamp; Regulating stray light illumination, the illumination on the receiving end of illuminometer energy measurement light curtain, safe grating also is sent to industrial computer-PLC Control Network through data-interface, by the industrial computer record and the output voltage of control pressure regulator automatically.
9, programmable power supply changes output voltage through programming, as the working power of light curtain, safe grating, can regulate the also working power scope of recording light curtain, safe grating automatically.
10, industrial computer-PLC Control Network has man-machine interface, can control all mechanism kinematics and Performance Detection.
The present invention is characterised in that:
1, move horizontally and measuring mechanism, horizontal displacement and measuring mechanism, vertical dislocation and measuring mechanism, rotary shifted and measuring mechanism is integrated, the level of accomplishing light curtain, safe grating transmitting and receiving device moves in opposite directions, horizontal displacement, vertical dislocation, rotary shifted movement velocity are regulated and location survey.
2, shade vertical movement and measuring mechanism, shade tangential movement and measuring mechanism, shade rotatablely moves and measuring mechanism is integrated, accomplishes that shade is vertical, tangential movement, the speed regulation that rotatablely moves and location survey.
3, the shade rotational motion mechanism rotatablely moves through buncher drive shade, can carry out fail-test automatically to each send-receive point of light curtain, safe grating according to number of times, the frequency requirement of test in conjunction with the shade vertical movement mechanism;
4, the fine-tuning position of the optoelectronic switch of response time measuring mechanism is in conjunction with electrographic recording appearance response time of measuring light curtain, safe grating automatically and accurately.
5, light interference and measurement mechanism form a close loop control circuit through the illuminometer of high-pressure mercury lamp, automatic voltage regulator and band data transport functions; Can regulate illumination automatically, and automatically light curtain, safe grating are disturbed by light and stray light illumination when losing efficacy to setting value.
6, whole testing device is not with any physical button, and accomplishes measurement automatically by the man-machine interface soft key of industrial computer-PLC Control Network, and the actual operating position of ability simulated light curtain, safe grating has very high automaticity, and efficiency of measurement is high.
The present invention can not only satisfy elevator light curtain and detect demand; Can also apply the light curtain that uses on other field, the detection of safe grating; Improve detectability and efficient, promote quality inspection technicalization, robotization, informationalized development, further improve the level of China's quality inspection technical equipment; Improve the performance of light curtain, safe grating, the safety of assurance personnel, equipment.
Description of drawings
Accompanying drawing 1 is a light curtain movable machinery structural representation of the present invention
Accompanying drawing 2 is shade movable machinery structural representations of the present invention
Accompanying drawing 3 is computer controlled network circuit block diagrams of invention
Accompanying drawing 4 is computer controlled network software program flow charts of the present invention
Embodiment
Like Fig. 1, shown in Figure 3, light curtain movable machinery structure of the present invention comprises that the rotary shifted 1-7 of mechanism of light curtain guide frame 1-1, light curtain emitter 1-2, light curtain receiving trap 1-3, the light curtain vertical dislocation 1-4 of mechanism, the 1-5 of move toward one another mechanism, the light curtain horizontal displacement 1-6 of mechanism and light curtain forms.The use of soft buttons 3-1 select HMI opposite movement speed and distance, through IPC 3-2, PLC3-4, opposite movement mechanism 1-5, 3-5 stepper motors, counters 3-12, I / O modules 3-13 launchers together to complete curtain light curtain receiver 1-2 and 1-3 in the curtain-oriented framework within 1-1 opposite movement speed adjustment and positioning; using the soft buttons 3-1 select HMI screens vertical dislocation velocity by IPC 3-2, PLC3-4, light curtain vertical dislocation mechanism 1-4, 3-6 stepper motors, counters 3-12, I / O modules 3-13 1-2 launchers together to complete the curtain and curtain receiving device 1-3 vertical dislocation velocity and distance adjustment and testing; utilize HMI soft buttons 3-1 select screens horizontal dislocation velocity, through IPC 3-2, PLC3-4, light curtain horizontal dislocation mechanism 1 - 6, stepper motors 3-7, counters 3-12, I / O modules 3-13 launchers together to complete light curtain light curtain receiver 1-3 1-2 and level of regulation and dislocation velocity and distance detection; utilize human 3-1 Select soft button interface screens rotational velocity, through IPC 3-2, PLC3-4, rotating screens dislocation mechanism 1-7, 3-8 stepper motors, counters 3-12, I / O module 3 -13 launchers together to complete curtain light curtain receiver 1-2 and 1-3 rotational dislocation velocity and angle adjustment and testing; IPC 3-2 of the above parameters and test data stored in the database within 3-3.
Like Fig. 2, shown in Figure 3, shade movable machinery structure of the present invention comprises that light curtain shade guide frame 2-1, buncher 2-2, shade vertical movement mechanism 2-3 and shade horicontal motion mechanism 2-4 form.Use HMI soft buttons 3-1 select shade vertical velocity, through IPC 3-2, PLC3-4, shade vertical movement mechanism 2-3, 3-9 stepper motors, counters 3-12, I / O Modules 3-13 together to complete the shade guide frame in the shade screens within 2-1 adjustable velocity, displacement detection and light curtain output state detection; utilize HMI soft buttons 3-1 select shade velocity, through the IPC 3-2, PLC3-4, shade horizontal movement mechanism 2-4, stepper motor 3-10, counters 3-12, I / O modules 3-13 together to complete shade curtains shade guide frame at 2-1 within the movement speed adjustment, displacement detection, light curtains and light curtain output state response and recovery time testing; utilize HMI soft buttons 3-1 select shade reliability trials, through IPC 3-2, PLC3-4, variable speed motors 2-2, counters 3-12, I / O modules 3-13 together to complete shade curtains shade in velocity regulation, the number of the light curtain output changes state; using the soft buttons 3-1 select HMI screens working power by IPC 3-2, PLC3-4,, I / O modules 3-13, A / D module 3-14, programmable power supply 3-15 work together to complete the screens and output power regulation state detection; utilize human-machine interface soft buttons 3-1 select screens and manual adjustment of light intensity interference by IPC 3-2, PLC3-4 together to complete the screens and output status light interference detection; IPC 3-2 of the above parameters and test data are stored in the database within 3-3.
Like Fig. 3, shown in Figure 4; In the foregoing description; The industrial computer of light curtain detection device for combination property-PLC Control Network has no physical button; Accomplish light curtain whole testing process under the motion state condition through the man-machine interface soft key; All real-time information are concentrated statistics differentiation, storage, shown, inquire about, and the printout light curtain power supply scope of application, anti-light interference test, function test, performance test, detection performance compbined test, dislocation are tested, shading response and data and test reports such as test release time, fail-test.
In the foregoing description, the characteristics of the non-patent of the present invention of software program flow chart shown in Figure 4 repeat no more at this.Like Fig. 1, shown in Figure 2, cooperate industrial computer shown in Figure 3-PLC Control Network, the systemic-function of light curtain detection device for combination property is following:
The test of the power supply scope of application;
Effective detection range detects;
Effectively survey height detection;
The blind area is detected:
The send-receive detection of counting;
The vertical dislocation distance detecting that allows;
Level allows dislocation to detect;
Vertically allow the dislocation angular detection;
Laterally allow the dislocation angular detection;
Response time is detected;
Anti-light Interference Detection;
Fail-test.
Claims (6)
1. a light curtain, safe grating combination property automatic detection device; It comprises moving horizontally of light curtain, safe grating and measuring mechanism, horizontal displacement and measuring mechanism, vertical dislocation and measuring mechanism, rotary shifted and measuring mechanism, shade vertical movement and measuring mechanism, shade rotatablely moves and measuring mechanism, response time measurement mechanism, light interferometry device, programmable power supply and computing machine-PLC Control Network; This device can detect following combination property automatically according to light curtain, the actual operating position of safe grating: power supply scope of application test, effective detection range detect, effectively survey that height detection, blind area detect, send-receive is counted detections, vertical dislocation distance detecting, the level of allowing allows dislocation to detect, vertically allow the dislocation angular detection, laterally allow misplace angular detection, response time detection, anti-light Interference Detection, fail-test.
2. a kind of light curtain as claimed in claim 1, safe grating combination property automatic detection device; It is characterized in that: shade vertical movement and measuring mechanism, shade tangential movement and measuring mechanism, shade rotatablely moves and measuring mechanism is integrated, accomplishes that shade is vertical, tangential movement, the speed regulation that rotatablely moves and location survey.
3. a kind of light curtain as claimed in claim 1, safe grating combination property automatic detection device; It is characterized in that: the shade rotational motion mechanism drives shade through buncher and rotatablely moves, and can carry out fail-test automatically to each send-receive point of light curtain, safe grating according to number of times, the frequency requirement of test in conjunction with the shade vertical movement mechanism;
4. a kind of light curtain as claimed in claim 1, safe grating combination property automatic detection device; It is characterized in that: the fine-tuning position of the optoelectronic switch of response time measuring mechanism, in conjunction with electrographic recording appearance response time of measuring light curtain, safe grating automatically and accurately.
5. a kind of light curtain as claimed in claim 1, safe grating combination property automatic detection device; It is characterized in that: light interference and measurement mechanism form a close loop control circuit through the illuminometer of high-pressure mercury lamp, automatic voltage regulator and band data transport functions; Can regulate illumination automatically, and automatically light curtain, safe grating are disturbed by light and stray light illumination when losing efficacy to setting value.
6. a kind of light curtain as claimed in claim 1, safe grating combination property automatic detection device; It is characterized in that: whole testing device is not with any physical button; And accomplish measurement automatically by the man-machine interface soft key of industrial computer-PLC Control Network; The actual operating position of ability simulated light curtain, safe grating has very high automaticity, and efficiency of measurement is high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011102828709A CN102445322A (en) | 2011-09-21 | 2011-09-21 | Device for detecting comprehensive performance of light curtain and safety grating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102828709A CN102445322A (en) | 2011-09-21 | 2011-09-21 | Device for detecting comprehensive performance of light curtain and safety grating |
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| CN102445322A true CN102445322A (en) | 2012-05-09 |
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| CN2011102828709A Pending CN102445322A (en) | 2011-09-21 | 2011-09-21 | Device for detecting comprehensive performance of light curtain and safety grating |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422475A (en) * | 2013-08-20 | 2015-03-18 | 上海信索传感器有限公司 | Multifunctional safety raster digital display system and method |
| CN105203303A (en) * | 2015-09-25 | 2015-12-30 | 森赫电梯股份有限公司 | Elevator light curtain test bench |
| CN106597564A (en) * | 2017-01-20 | 2017-04-26 | 广州松兴电气股份有限公司 | Detection grating device |
| CN106772684A (en) * | 2017-01-17 | 2017-05-31 | 巨人通力电梯有限公司 | Elevator light curtain reliability service life experiment device |
| CN112067255A (en) * | 2020-08-25 | 2020-12-11 | 猫岐智能科技（上海）有限公司 | Automatic testing method and system for light curtain false triggering |
| CN113624450A (en) * | 2021-06-21 | 2021-11-09 | 广州安协科技股份有限公司 | Testing method and system for correlation light curtain |
| CN114162692A (en) * | 2021-12-01 | 2022-03-11 | 伟龙意程智能科技(江苏)有限公司 | Online automatic detection system of elevator light curtain |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422475A (en) * | 2013-08-20 | 2015-03-18 | 上海信索传感器有限公司 | Multifunctional safety raster digital display system and method |
| CN105203303A (en) * | 2015-09-25 | 2015-12-30 | 森赫电梯股份有限公司 | Elevator light curtain test bench |
| CN106772684A (en) * | 2017-01-17 | 2017-05-31 | 巨人通力电梯有限公司 | Elevator light curtain reliability service life experiment device |
| CN106772684B (en) * | 2017-01-17 | 2018-10-09 | 巨人通力电梯有限公司 | Elevator light curtain reliability service life experiment device |
| CN106597564A (en) * | 2017-01-20 | 2017-04-26 | 广州松兴电气股份有限公司 | Detection grating device |
| CN112067255A (en) * | 2020-08-25 | 2020-12-11 | 猫岐智能科技（上海）有限公司 | Automatic testing method and system for light curtain false triggering |
| CN112067255B (en) * | 2020-08-25 | 2022-07-26 | 猫岐智能科技（上海）有限公司 | Automatic test method and system for light curtain false triggering |
| CN113624450A (en) * | 2021-06-21 | 2021-11-09 | 广州安协科技股份有限公司 | Testing method and system for correlation light curtain |
| CN113624450B (en) * | 2021-06-21 | 2022-07-12 | 广州安协科技股份有限公司 | Testing method and system for correlation light curtain |
| CN114162692A (en) * | 2021-12-01 | 2022-03-11 | 伟龙意程智能科技(江苏)有限公司 | Online automatic detection system of elevator light curtain |
| CN114162692B (en) * | 2021-12-01 | 2022-10-18 | 伟龙意程智能科技(江苏)有限公司 | Online automatic detection system of elevator light curtain |
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Application publication date: 20120509 |