CN109375039B - Quick line calibrating device for photoelectric sensor - Google Patents
Quick line calibrating device for photoelectric sensor Download PDFInfo
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- CN109375039B CN109375039B CN201811451564.1A CN201811451564A CN109375039B CN 109375039 B CN109375039 B CN 109375039B CN 201811451564 A CN201811451564 A CN 201811451564A CN 109375039 B CN109375039 B CN 109375039B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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Abstract
The invention discloses a photoelectric sensor rapid line calibrating device, which comprises a back plate, wherein a terminal row, a switching value counter and a picture display are arranged on the back plate, the number of terminals in the terminal row is larger than or equal to that of cables in an encoder, so that all cables of the encoder can be simultaneously connected into the terminal row, the output end of each terminal in the terminal row is simultaneously connected with the input end of the switching value counter in a signal manner, and the output end of the switching value counter is connected with the input end of the picture display in a signal manner. The beneficial effects of the invention are as follows: the high-low position of each cable in the photoelectric encoder can be rapidly determined, the wire calibration operation of one photoelectric encoder can be completed within 5 minutes, the time and the labor are saved, the accuracy is high, the one-time wire calibration completion rate reaches 100%, the photoelectric encoder can be correctly and rapidly connected into a mine trough feeding control system, the normal feeding of a blast furnace is ensured, the purpose of reducing the equipment mistakes is achieved, and the stable and smooth production of the blast furnace is ensured.
Description
Technical Field
The invention relates to the technical field of control of photoelectric encoders of iron-making feeding systems, in particular to a rapid line calibrating device for photoelectric sensors.
Background
In the iron-making process, the ore tank feeding control system is one of key equipment for blast furnace iron-making. At present, a main winch, a stock rod and a distributing device in a mine trough feeding control system all adopt photoelectric encoders to calculate the actual position of a skip car, the height of a material surface, the number of turns of distribution and the distribution angle, and when the photoelectric encoders fail, the data cannot be displayed normally, so that the normal smelting of a blast furnace is affected; in order to ensure stable and smooth production of the blast furnace, when the photoelectric encoder fails, the failed photoelectric encoder needs to be replaced quickly. Before the replacement of the photoelectric encoder, the photoelectric encoder needs to be calibrated, namely: and determining the high and low positions of each cable in the photoelectric encoder. However, the colors of the cable wires of the photoelectric encoder used at present are only red and yellow, so that the wire calibration difficulty of the photoelectric encoder is high, time and labor are consumed, the wire calibration operation of one photoelectric encoder is completed for 30 minutes at least, the accuracy cannot be ensured, and the stable and smooth production of the blast furnace is greatly influenced.
Disclosure of Invention
The invention aims to provide a photoelectric sensor rapid line calibrating device capable of rapidly determining the high and low positions of each cable in a photoelectric encoder.
In order to achieve the above purpose, the invention adopts the following technical scheme: the quick line calibrating device of the photoelectric sensor comprises a back plate, wherein a terminal row, a switching value counter and a picture display are arranged on the back plate, the number of the terminals in the terminal row is larger than or equal to that of the cables in the encoder, so that all the cables of the encoder can be simultaneously connected into the terminal row, the output end of each terminal in the terminal row is simultaneously connected with the input end of the switching value counter in a signal manner, and the output end of the switching value counter is connected with the input end of the picture display in a signal manner; the switching value counter can count the switching value pulse times generated by the encoder cable correspondingly connected with each terminal when the input shaft of the encoder rotates and feed back the switching value pulse times to the picture display in real time; the picture display can display the switching value pulse times generated by the encoder cable wires correspondingly connected with the terminals of the terminal strip in real time.
Further, the foregoing photoelectric sensor is a device of checking the alignment fast, wherein: the structure of the switching value counter comprises: the digital quantity receiving module, the processing module, the communication module and the power module, wherein the output end of the digital quantity receiving module is in signal connection with the input end of the processing module, the output end of the processing module is in signal connection with the input end of the communication module, the output end of the communication module is in signal connection with the picture display, and the power module is simultaneously connected with the digital quantity receiving module, the processing module and the communication module, so that power is supplied to the digital quantity receiving module, the processing module and the communication module.
Further, the foregoing photoelectric sensor is a device of checking the alignment fast, wherein: the numerical value clearing button is arranged on the picture display, and when the numerical value clearing button is clicked, the number of switching value pulses generated by the encoder cable wires which are correspondingly connected with all terminals of the terminal strip displayed on the picture display can be cleared.
Further, the foregoing photoelectric sensor is a device of checking the alignment fast, wherein: the picture display is provided with a start counting button which is in signal connection with the switch quantity counter, when the start counting button is clicked, a start counting signal is sent to the switch quantity counter, and after the switch quantity counter receives the start counting signal, the switch quantity counter starts to count the switch quantity pulse times generated by the encoder cable wires correspondingly connected to the terminals of the terminal row.
Further, the foregoing photoelectric sensor is a device of checking the alignment fast, wherein: the picture display is provided with a stop counting button which is connected with a switching value counter in a signal way, when the stop counting button is clicked, a stop counting signal is sent to the switching value counter, and after the switching value counter receives the stop counting signal, the switching value counter stops counting the number of switching value pulse times generated by the encoder cable wires correspondingly connected to each terminal of the terminal row.
Through implementation of the technical scheme, the invention has the beneficial effects that: the high-low position of each cable in the photoelectric encoder can be rapidly determined, the wire calibration operation of one photoelectric encoder can be completed within 5 minutes, the time and the labor are saved, the accuracy is high, the one-time wire calibration completion rate reaches 100%, the photoelectric encoder can be correctly and rapidly connected into a mine trough feeding control system, the normal feeding of a blast furnace is ensured, the purpose of reducing the equipment mistakes is achieved, and the stable and smooth production of the blast furnace is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a rapid line calibrating device for a photoelectric sensor according to the present invention.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1, the quick line calibrating device for a photoelectric sensor comprises a back plate 1, wherein a terminal row 2, a switching value counter 3 and a picture display 4 are arranged on the back plate 1, the number of terminals in the terminal row 2 is greater than or equal to the number of cables 6 in an encoder 5, so that all the cables 6 of the encoder 5 can be simultaneously connected into the terminal row 2, the output end of each terminal in the terminal row 2 is simultaneously connected with the input end of the switching value counter 3 in a signal manner, and the output end of the switching value counter 3 is connected with the input end of the picture display 4 in a signal manner; the switching value counter 3 can count the switching value pulse times generated by the encoder cable 6 correspondingly connected with each terminal when the input shaft of the encoder 5 rotates and feed back the switching value pulse times to the picture display 4 in real time; the picture display can display the switching value pulse times generated by the encoder cable 6 correspondingly connected with each terminal of the terminal strip 2 in real time; in the present embodiment, the structure of the switching value counter 3 includes: the digital quantity receiving module 31, the processing module 32, the communication module 33 and the power module 34, wherein the output end of the digital quantity receiving module 31 is in signal connection with the input end of the processing module 32, the output end of the processing module 32 is in signal connection with the input end of the communication module 33, the output end of the communication module 33 is in signal connection with the picture display 4, and the power module 34 is simultaneously connected with the digital quantity receiving module 31, the processing module 32 and the communication module 33, so that the digital quantity receiving module 31, the processing module 32 and the communication module 33 are powered, and the switching value counter has a simple structure and is convenient to assemble, disassemble and maintain; in this embodiment, a numerical value emptying button 7 is disposed on the picture display 4, and when the numerical value emptying button 7 is clicked, the number of switching value pulses generated by the encoder cable 6 correspondingly connected to each terminal of the terminal strip 2 displayed on the picture display 4 is emptied, so that a worker can more intuitively read the number of switching value pulses of each cable of the photoelectric encoder to be calibrated, and the line calibration efficiency of the photoelectric encoder is further improved; in this embodiment, a start counting button 8 is disposed on the screen display 4, the start counting button 8 is in signal connection with the switch value counter 3, when the start counting button 8 is clicked, a start counting signal is sent to the switch value counter 3, and after receiving the start counting signal, the switch value counter 3 starts counting the number of switch value pulses generated by the encoder cable 6 correspondingly connected to each terminal of the terminal strip 2, so that the calibration efficiency of the photoelectric encoder can be improved, and a worker can more quickly determine the high-low order of each cable of the encoder; in this embodiment, a stop counting button 9 is disposed on the screen display 4, the stop counting button 9 is in signal connection with the switch quantity counter 3, when the stop counting button 9 is clicked, a stop counting signal is sent to the switch quantity counter 3, and after receiving the stop counting signal, the switch quantity counter 3 stops counting the switch quantity pulse times generated by the encoder cable 6 correspondingly connected to each terminal of the terminal strip 2, so that the line calibration efficiency of the photoelectric encoder can be further improved, and a worker can more quickly determine the high-low order of each cable of the encoder;
the working principle of the invention is as follows:
firstly, all cables 6 of the replaced photoelectric encoder 5 are simultaneously connected with the terminal strip 2; then clicking a value clearing button 7 on the picture display 4 to clear the original value displayed on the picture display 4, rotating an input shaft of the encoder 5, clicking a start counting button 8 on the picture display 4 at the same time, sending a start counting signal to a processing module 32 in the switching value counter 3 when the start counting button 8 is clicked, after receiving the start counting signal, the processing module 32 in the switching value counter 3 starts counting the switching value pulse times generated by the encoder cable 6 correspondingly connected to each terminal of the terminal row 2 when the input shaft of the encoder received by the digital receiving module 31 rotates, and sends the switching value pulse times generated by the encoder cable 6 correspondingly connected to each terminal of the terminal row 2 to the picture display 4 through a communication module 33, and the picture display can display the switching value pulse times generated by the encoder cable 6 correspondingly connected to each terminal of the terminal row 2 in real time;
when the input shaft of the encoder 5 rotates for not less than one circle, stopping rotating the input shaft of the encoder 5 and clicking a stop counting button press 9 on the picture display 4, sending a stop counting signal to the switch quantity counter 3 when the stop counting button 9 is clicked, stopping counting the switch quantity pulse times generated by the encoder cable 6 correspondingly connected to each terminal of the terminal row 2 after the switch quantity counter 3 receives the stop counting signal, and displaying the switch quantity pulse times generated by the encoder cable 6 correspondingly connected to each terminal of the terminal row 2 in the period from the start counting to the stop counting of the switch quantity counter 3 on the picture display 4;
then, according to the number of the switching value pulse times of each cable 6 of the encoder displayed by the picture display 4, each cable 6 of the encoder is numbered, and the specific numbering principle is as follows: the larger the number of the switching value pulse times of the cable line is, the lower the bit number of the corresponding encoder cable line is, and the smaller the number written by the corresponding encoder cable line is; the smaller the number of the switching value pulse times of the cable line is, the higher the bit number of the corresponding encoder cable line is, and the smaller the number written by the corresponding encoder cable line is;
all cable wires 6 of the replaced photoelectric encoder 5 are pulled out of the terminal block 2, and then all cable wires of the numbered photoelectric encoder are sequentially connected into the terminal block 2 from low to high according to the number;
then click the value clear button 7 on the picture display 4 again, clear the value displayed on the picture display 4, then rotate the input shaft of the encoder 5 again and click the start count button 8 on the picture display 4 again, when the start count button 8 is clicked, send the start count signal to the processing module 32 in the switch quantity counter 3 again, after receiving the start count signal, the processing module 32 in the switch quantity counter 3 starts counting the switch quantity pulse times generated by the encoder cable 6 which is correspondingly connected with each terminal of the terminal row 2 according to the number when the input shaft of the encoder received by the digital receiving module 31 rotates, and sends the switch quantity pulse times generated by the encoder cable 6 which is correspondingly connected with each terminal of the terminal row 2 to the picture display 4 through the communication module 33, and the picture display displays the switch quantity pulse times generated by the encoder cable 6 which is correspondingly connected with each terminal of the terminal row 2 according to the number in real time;
when the input shaft of the encoder 5 rotates for not less than one circle again, stopping rotating the input shaft of the encoder 5 and clicking a stop counting button press 9 on the picture display 4 again, sending a stop counting signal to the switch quantity counter 3 when the stop counting button 9 is clicked, stopping counting the switch quantity pulse times generated by the encoder cable 6 which is correspondingly connected with each terminal of the terminal row 2 according to the number after the switch quantity counter 3 receives the stop counting signal, and displaying the switch quantity pulse times generated by the encoder cable 6 which is correspondingly connected with each terminal of the terminal row 2 according to the number in the period from the start of counting again to the stop of counting again on the picture display 4;
if the number of switching pulses generated by each encoder cable 6 displayed on the screen display 4 is arranged from large to small, it is indicated that the number of bits of each encoder cable is correct at this time, and if the number of switching pulses generated by each encoder cable 6 displayed on the screen display 4 is not arranged from large to small, it is indicated that the number of bits of each encoder cable is incorrect at this time, and the above operations are repeated until the number of bits of each encoder cable is correct.
The beneficial effects of the invention are as follows: the high-low position of each cable in the photoelectric encoder can be rapidly determined, the wire calibration operation of one photoelectric encoder can be completed within 5 minutes, the time and the labor are saved, the accuracy is high, the one-time wire calibration completion rate reaches 100%, the photoelectric encoder can be correctly and rapidly connected into a mine trough feeding control system, the normal feeding of a blast furnace is ensured, the purpose of reducing the equipment mistakes is achieved, and the stable and smooth production of the blast furnace is ensured.
Claims (1)
1. A photoelectric sensor school line device fast, its characterized in that: the device comprises a backboard, a terminal row, a switching value counter and a picture display are arranged on the backboard, the number of the terminals in the terminal row is larger than or equal to the number of the cables in the encoder, so that all the cables of the encoder can be connected into the terminal row at the same time, the output end of each terminal in the terminal row is connected with the input end of the switching value counter in a signal mode, and the output end of the switching value counter is connected with the input end of the picture display in a signal mode; the switching value counter can count the switching value pulse times generated by the encoder cable correspondingly connected with each terminal when the input shaft of the encoder rotates and feed back the switching value pulse times to the picture display in real time; the picture display can display the switching value pulse times generated by the encoder cable wires correspondingly connected with the terminals of the terminal strip in real time; the structure of the switching value counter comprises: the system comprises a digital quantity receiving module, a processing module, a communication module and a power supply module, wherein the output end of the digital quantity receiving module is in signal connection with the input end of the processing module, the output end of the processing module is in signal connection with the input end of the communication module, the output end of the communication module is in signal connection with a picture display, and the power supply module is simultaneously connected with the digital quantity receiving module, the processing module and the communication module so as to supply power for the digital quantity receiving module, the processing module and the communication module; a numerical value emptying button is arranged on the picture display, and when the numerical value emptying button is clicked, the number of switching value pulses generated by the encoder cable correspondingly connected to each terminal of the terminal row displayed on the picture display can be emptied; a start counting button is arranged on the picture display, the start counting button is in signal connection with a switching value counter, when the start counting button is clicked, a start counting signal is sent to the switching value counter, and after the switching value counter receives the start counting signal, the switching value counter starts to count the number of switching value pulse times generated by the encoder cable wires correspondingly connected to each terminal of the terminal row; a stop counting button is arranged on the picture display, the stop counting button is in signal connection with the switch quantity counter, a stop counting signal is sent to the switch quantity counter when the stop counting button is clicked, and the switch quantity counter stops counting the switch quantity pulse times generated by the encoder cable wires correspondingly connected to each terminal of the terminal row after receiving the stop counting signal; then, according to the number of the pulse number of the switching value of each cable of the encoder displayed by the picture display, each cable of the encoder is numbered, and the specific numbering principle is as follows: the larger the number of the switching value pulse times of the cable line is, the lower the bit number of the corresponding encoder cable line is, and the smaller the number written by the corresponding encoder cable line is; the smaller the number of the switching value pulse times of the cable line is, the higher the bit number of the corresponding encoder cable line is, and the larger the number written by the corresponding encoder cable line is.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811451564.1A CN109375039B (en) | 2018-11-30 | 2018-11-30 | Quick line calibrating device for photoelectric sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811451564.1A CN109375039B (en) | 2018-11-30 | 2018-11-30 | Quick line calibrating device for photoelectric sensor |
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| CN109375039A CN109375039A (en) | 2019-02-22 |
| CN109375039B true CN109375039B (en) | 2024-04-16 |
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| CN201811451564.1A Active CN109375039B (en) | 2018-11-30 | 2018-11-30 | Quick line calibrating device for photoelectric sensor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109375038B (en) * | 2018-11-30 | 2020-09-11 | 江苏永钢集团有限公司 | Rapid line calibration device and method for photoelectric sensor |
| CN112014771A (en) * | 2020-09-04 | 2020-12-01 | 国网冀北电力有限公司检修分公司 | Cable calibration device and cable calibration control method and system thereof |
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