CN112666567B - Control method of intelligent induction control system applied to operation support system - Google Patents
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Abstract
The invention discloses a control method of an intelligent induction control system applied to a work support system, and provides an intelligent induction method applied to the support system based on PB331 chip design, aiming at the problems of difficult detection caused by interference of various light sources containing infrared rays such as strong sunlight and the like and distance change of an object to be measured in the current work support system. The design uses a PB331 chip as a hardware platform, adopts a POWERBUS bus communication mode, improves the traditional application of a traditional RS-485 bus aiming at the construction design defect, has the advantages of no polarity wiring, arbitrary topology, no need of isolation, long communication distance and the like, realizes simple interconnection among devices, adopts an integrated combination (photosensitive sensing unit), IRED (infrared light emitting diode) and signal principle circuit integrated combination measuring method, and can realize accurate measurement under the detection of bad factors such as the movement change of a measured object and various interference light sources compared with the existing power circuit design, thereby improving the reliability and stability of the sensing device.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a control method of an intelligent induction control system applied to a work support system.
Background
The world began to enter the information age with the advent of new technological innovations. In the process of utilizing information, the first solution is to acquire accurate and reliable information, and the sensor is a main way and means for acquiring information in the natural and production fields.
A work Support (SOG) system is a work system that guides and corrects a worker's work during work. The system can realize standardization of operation steps, improve operation efficiency, reduce training time, formulate standardized operation instructions, standardize operation personnel operation and improve operation efficiency. The intelligent material taking and error preventing device has the advantages that various media such as an indicator lamp and images are utilized to guide operation personnel to operate, training time of new people is shortened, intelligent material taking and error preventing is realized, product quality is improved, an LED error preventing module is utilized to automatically guide material taking, software and hardware to be combined, misoperation is prevented, operation data are automatically acquired and analyzed, production data are collected in real time, a graphic report is configured, and production site visualization is realized. And through visual analysis, problems were found and continued improvement. The control method of the intelligent induction control system applied to the operation support system has the functions of infrared distance measurement and infrared photoelectric switch.
The infrared distance measuring sensor is a sensing device, is a measuring system using infrared rays as a medium, has wide measuring range and short response time, and is mainly applied to the fields of modern science and technology, national defense and industry and agriculture. The infrared ranging sensor is provided with a pair of infrared signal emitting and receiving diodes, the infrared ranging sensor emits a beam of infrared light, a reflecting process is formed after the infrared ranging sensor irradiates an object, signals are received after the infrared ranging sensor reflects the infrared light to the sensor, and then data of time difference between the emission and the receiving are received by CCD image processing. The distance of the object is calculated after the processing of the signal processor. This can be used not only for natural surfaces but also for reflective plates. The measuring distance is far, and the frequency response is very high, so that the measuring device is suitable for a severe industrial environment.
The infrared photoelectric switch is a novel non-contact switch, is not interfered by other light sources and limited by the use environment, has the advantages of reliable work, strong anti-interference capability, high response speed, long service life and the like, and is characterized in that although infrared rays are invisible light, the infrared rays have similar physical properties such as linear propagation, reflection, refraction and the like to the visible light, and optical devices such as a focusing lens, a refractive prism and the like can be used in the propagation of the light. The invisible light means a certain concealment, so that the switch has a wide application prospect in industrial and agricultural production and safety guard work. the infrared switch circuit has no modulation mode for the transmitting and receiving part, thus greatly improving the working reliability of the circuit, and the circuit uses reliable integrated circuits as much as possible, thus having compact structure and less used elements.
Infrared technology has been widely used in ranging systems, and many products have been studied using infrared technology to achieve ranging, photoelectric switching, and the like. When infrared rays are applied to the field of distance measurement, the interference of various light sources containing infrared rays such as strong sunlight is most difficult to overcome.
Disclosure of Invention
The invention aims to: aiming at the problems of difficult detection and the like caused by interference of various infrared light sources such as strong sunlight and the like and distance change of an object to be detected in the conventional operation support system, the control method of the intelligent induction control system applied to the operation support system is provided, accurate measurement can be realized under the detection bad factors such as the movement change of the object to be detected, an external interference light source and the like, the reliability and the stability of the induction device are further improved, and the accurate infrared distance measurement and photoelectric switch functions are realized.
The technical scheme is as follows: in order to achieve the aim of the invention, the invention adopts the following technical scheme:
the control method of the intelligent induction control system applied to the operation support system comprises an intelligent induction device master station and an intelligent induction device slave station, wherein an industrial communication control mode between the intelligent induction device master station and the intelligent induction device slave station adopts a POWERBUS bus; the intelligent sensing device secondary station comprises a data processing module and an infrared ranging module, wherein the infrared ranging module comprises a modulated light emitting unit, a modulated light receiving unit, an A/D converter, an LED display unit and a photosensitive sensing unit;
the modulating light emitting unit adopts a semiconductor optical device with radiation-modulation dual functions, directly carries out amplitude modulation on emitted light intensity by changing the magnitude of feed current, adopts PWM modulation output to realize emission intensity control and modulation, and modulates emission intensity according to the distance between an ambient light source and an object to be measured;
the device performs the following steps:
1) The intelligent sensing device master station collects sensing information acquired by the intelligent sensing device slave station;
2) The intelligent sensing device master station processes, analyzes and reports the sensing information to the upper server in a centralized manner, and the intelligent sensing device master station executes a control instruction issued by the upper server;
3) All units outside the intelligent sensing device are connected with a singlechip PB331, the singlechip outputs power output of a control transmitting unit through PWM modulation, a receiving unit receives feedback signals and is connected with the singlechip, the singlechip converts analog signals into digital signals through an A/D converter and analyzes and processes the digital signals, the singlechip is connected with an LED unit, state information of a module is displayed, and a photosensitive sensing unit collects illumination intensity of ambient light and feeds back real-time illumination information to the singlechip.
Furthermore, the POWERBUS bus is an intelligent low-voltage power supply two-bus, the load is any load, the load current changes dynamically, communication cannot be affected, and the POWERBUS bus has the advantages of no polarity connection, any topology, no need of isolation, long communication distance and the like compared with the IO communication and RS-485 bus communication modes adopted by the traditional sensor modules.
Further, the infrared ranging module comprises an infrared emission driving circuit, the infrared emission driving circuit drives an infrared diode of the emission head to emit infrared light, when the infrared light is received by a photosensitive diode of the infrared receiving head driven by the infrared receiving driving circuit, the infrared light is converted into a measurable voltage value through voltage conversion, and the distance between the infrared emission module and the receiving module is obtained through calculation of the converted voltage.
Further, the modulation light receiving unit adopts a silicon photodiode, the voltage analog quantity is converted into a digital quantity through an A/D converter, the distance measurement and the area calculation are realized, the shape and the size of the measured object are judged through the distance and the measured area of the measured object, and the interference factors blocked by a workpiece or other objects are eliminated.
The A/D conversion unit, the A/D converter can be divided into a direct A/D converter and an indirect A/D converter according to the conversion principle. A direct a/D converter is a direct conversion of analog signals into digital signals, such as successive approximation. The indirect a/D converter converts analog quantity into intermediate quantity and then into digital quantity, such as voltage/time conversion type, voltage/frequency conversion type, voltage/pulse width conversion type, etc. The integrated A/D converter has simple circuit, strong anti-interference capability, high resolution and slower conversion speed. Some converters integrate a plurality of switches, a reference voltage source, a clock circuit, a decoder and a conversion circuit into one chip, which is far beyond the simple A/D conversion function, and the use is very convenient.
The A/D converter conversion principle is as follows: a complete a/D conversion process must include sampling, holding, quantization, and encoding. Sample and hold: because the sampling time is very short, the sampling output is a series of intermittent narrow pulses. A certain time is required to digitize each sampled narrow pulse signal. Between samples, the sampled analog signal should be stored temporarily until the next sample pulse arrives, which we call hold. In analog circuit designs, a sample-and-hold circuit is added. To ensure proper conversion, the analog circuitry retains the as yet unconverted data.
Further, the photosensitive sensing unit is realized by a photosensitive resistor and is based on an internal photoelectric effect; the stronger the illumination, the lower the resistance, along with the increase of illumination intensity, the resistance rapidly decreases, realizes the monitoring effect to surrounding light source, adjusts the emission intensity of modulation light emission unit according to the intensity of surrounding light source for infrared range finding device's detection precision and scope can be adjusted in real time and accurate calculation, improves induction device's reliability and stability.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable progress:
1. the modulated light emitting unit of the invention adopts a semiconductor optical device with dual functions of radiation and modulation, can directly modulate the amplitude of emitted light intensity by changing the magnitude of feed current, adopts PWM modulation output, realizes controllable and adjustable emission intensity, and can modulate the emission intensity according to the distance between an ambient light source and an object to be measured. The design scheme can realize accurate infrared ranging and photoelectric switching functions under a complex light source environment.
2. The modulated light receiving unit adopts the silicon photodiode, converts the voltage analog quantity into the digital quantity through the A/D converter by the A/D converter, realizes the measurement of the distance and the calculation of the area, and can judge the shape and the size of the measured object by the distance and the measured area of the measured object so as to eliminate interference factors such as shielding of a workpiece or other objects.
3. The photosensitive sensing unit is mainly realized by a photosensitive resistor, and the working principle is based on an internal photoelectric effect. The stronger the illumination, the lower the resistance, along with the increase of illumination intensity, the resistance rapidly decreases, realizes the monitoring effect to surrounding light sources, can adjust the emission intensity of the modulated light emitting unit according to the intensity of the surrounding light sources, so that the detection precision and the range of the infrared ranging device can be adjusted in real time and accurately calculated, and the reliability and the stability of the sensing device are improved.
4. The industrial communication control mode adopts a POWERBUS bus, wherein the POWERBUS bus is an intelligent low-voltage power supply two-bus, and the load can be any load: the system has the advantages that the system is low in reliability and maintainability, and efficiency is reduced due to the fact that communication faults caused by misconnection and reverse connection of communication wires and power wires are troublesome in field debugging and maintenance and cause economic loss and time waste compared with the IO communication and RS-485 bus communication modes adopted by the traditional photoelectric switch module. The POWERBUS bus improves the traditional application of the traditional RS-485 bus aiming at the defects of construction design, has the advantages of no polarity wiring, arbitrary topology, no need of isolation, long communication distance and the like, and the POWERBUS communication protocol accords with the Modbus communication protocol, thereby simplifying the construction design. If the secondary load is powered using other ground loops, such as mains. The circuit shown in fig. 2 may be used. In contrast to the isolated application of RS485, the circuit does not need to use a DC/DC isolation module, and the power supply on the optocoupler side can be provided by a bus.
Drawings
FIG. 1 is a general structural diagram of an intelligent sensing device;
FIG. 2 is a circuit diagram of a PB331 isolation design application;
FIG. 3 is a schematic block diagram of a smart sensor system of the present invention;
FIG. 4 is a schematic block diagram of an infrared ranging module of the present invention;
FIG. 5 is a non-polar common-ground bridge circuit of the present invention;
fig. 6 shows a basic application circuit of the PB331 of the present invention.
Description of the embodiments
The technical scheme of the invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Aiming at the problems of difficult detection and the like caused by interference of various infrared light sources such as strong sunlight and the like and the distance change of an object to be detected in the current operation support system, the method can realize accurate measurement under the detection bad factors such as the movement change of the object to be detected, the external interference light source and the like, thereby improving the reliability and the stability of the sensing device.
A control method of an intelligent induction control system applied to an operation support system comprises an intelligent induction device master station and an intelligent induction device slave station, wherein an industrial communication control mode between the intelligent induction device master station and the intelligent induction device slave station adopts a POWERBUS bus; the intelligent sensing device secondary station comprises a data processing module and an infrared ranging module, wherein the infrared ranging module comprises a modulated light emitting unit, a modulated light receiving unit, an A/D converter, an LED display unit and a photosensitive sensing unit.
The modulating light emitting unit adopts a semiconductor light device with radiation-modulation dual functions, directly carries out amplitude modulation on emitted light intensity by changing the magnitude of feed current, adopts PWM modulation output to realize emission intensity control and modulation, and modulates emission intensity according to the distance between an ambient light source and an object to be measured.
The device comprises the following steps:
step 1: the intelligent induction device master station collects induction information acquired by the intelligent induction device slave station.
Step 2: the intelligent sensing device master station processes, analyzes and reports the sensing information to the upper server in a centralized manner, and the intelligent sensing device master station executes control instructions issued by the upper server.
Step 3: all units outside the intelligent sensing device are connected with a singlechip PB331, the singlechip outputs power output of a control transmitting unit through PWM modulation, a receiving unit receives feedback signals and is connected with the singlechip, the singlechip converts analog signals into digital signals through an A/D converter and analyzes and processes the digital signals, the singlechip is connected with an LED unit, state information of a module is displayed, and a photosensitive sensing unit collects illumination intensity of ambient light and feeds back real-time illumination information to the singlechip.
The intelligent sensing device comprises a master station and a slave station, an industrial communication control mode between the master station and the slave station adopts a POWERBUS bus, the POWERBUS bus is an intelligent low-voltage power supply two-bus, the load can be any load, the load current changes dynamically, communication cannot be affected, and the intelligent sensing device has the advantages of no polarity connection, any topology, no need of isolation, long communication distance and the like compared with the IO communication mode and the RS-485 bus communication mode adopted by the traditional sensor module.
The intelligent sensing device secondary station comprises a data processing module and an infrared ranging module, wherein the infrared ranging module comprises a modulating light emitting unit, a receiving unit, an A/D converter, an LED display unit, a photosensitive sensing unit and the like.
In order to realize infrared ranging, in the hardware design, an infrared emitting driving circuit drives an infrared diode of an emitting head to emit infrared light, when the infrared light is received by a photosensitive diode of an infrared receiving head driven by an infrared receiving driving circuit, the infrared light is converted into a measurable voltage value through voltage conversion, because the intensity of the infrared light is enhanced along with the reduction of the distance, and the voltage value converted by the infrared receiving circuit is enhanced along with the reduction of the distance. And because the voltage is proportional to the distance, the distance between the infrared emission module and the receiving module is known through calculation of the converted voltage.
The modulation light receiving unit adopts a silicon photodiode, converts the voltage analog quantity into a digital quantity through an A/D converter, realizes the measurement of distance and the calculation of area, and can judge the shape and the size of the measured object through the distance and the measured area of the measured object so as to eliminate interference factors such as shielding of a workpiece or other objects.
The state quantity of the target sensing device is displayed by the RGB indicator lamp, and different colors are expressed in different meanings and are applied to different operation procedures to display different colors.
The photosensitive sensing unit is mainly realized by a photosensitive resistor, and the working principle is based on an internal photoelectric effect. The stronger the illumination, the lower the resistance, along with the increase of illumination intensity, the resistance rapidly decreases, realizes the monitoring effect to surrounding light sources, can adjust the emission intensity of the modulated light emitting unit according to the intensity of the surrounding light sources, so that the detection precision and the range of the infrared ranging device can be adjusted in real time and accurately calculated, and the reliability and the stability of the sensing device are improved.
Examples
As shown in fig. 3, the intelligent sensing control system applied to the work support system includes:
the intelligent sensing device comprises a main station and a data processing integration module of the intelligent sensing device;
the intelligent induction device slave station comprises a power DC-DC module and an intelligent induction module;
the intelligent sensing device master station and the intelligent sensing device slave station adopt a POWERBUS bus communication mode, and the POWERBUS bus has the advantages of no polarity wiring, arbitrary topology, no isolation, long communication distance and the like, and the POWERBUS communication protocol accords with the Modbus communication protocol, so that the construction design is simplified.
The POWERBUS is a power supply bus chip which is autonomously designed and invented in China, belongs to a low-voltage direct current carrier power supply bus chip, and is a technology for combining a power supply line and a signal line into a whole relative to an RS-485 four-wire system (two power supply lines and two communication lines), so that the signal and power supply share one bus, and due to the performance of arbitrary topology of nonpolar wiring, wiring errors in construction are avoided, and the construction design is simplified and easy.
The POWERBUS two-wire system power supply bus technology adopts a TDMA communication technology to realize power supply and communication at the same time, has the characteristics of power supply, communication, nonpolar wiring and the like, and provides a corresponding master station chip and a corresponding slave station chip. The bus protocol solution based on network transmission is more mature and has two types of EtherCAT and PowerLink, and the POWERBUS is different from the two types of protocol, has the functions of the two types of protocol, and is superior to the two types of protocol in certain indexes.
As shown in fig. 1, the smart sensor device secondary station includes: and the power supply DC-DC module is used for stabilizing the input voltage and supplying power to the intelligent induction module.
As shown in fig. 4, the infrared ranging module mainly comprises a modulated light emitting unit, a receiving unit, an a/D converter, an LED display unit, a photosensitive sensing unit and the like.
The singlechip unit selects the PB331 and PB331 chips, which can adapt to various wires used on site and realize the function of remote communication. The cable can be laid in any mode such as bus type, tree type or star type, is greatly convenient for construction wiring, can prevent misconnection from happening, and simplifies construction maintenance.
The modulating light emitting unit adopts a semiconductor light device with dual functions of radiation and modulation, so that the emitted light intensity can be directly modulated in amplitude by changing the magnitude of feed current, PWM modulation output is adopted, the emission intensity is controllable and adjustable, and the emission intensity can be modulated according to the distance between an ambient light source and an object to be measured.
The modulation light receiving unit adopts a silicon photodiode, the voltage analog quantity is converted into a digital quantity through an A/D converter, the distance measurement and the area calculation are realized, the shape and the size of the measured object can be judged through the distance and the measured area of the measured object, and further interference factors such as shielding of a workpiece or other objects are eliminated.
The principle of no diffusion during infrared ray propagation is utilized. Because the infrared ray has a small refractive index when passing through other substances, the long-distance measuring module considers the infrared ray, the infrared ray is transmitted in a time, when the infrared ray is emitted from the distance measuring instrument and is reflected back to be received by the distance measuring module, and then the distance can be calculated according to the time from the emission to the receiving of the infrared ray and the transmission speed of the infrared ray.
The a/D conversion unit, the a/D converter can be classified into a direct a/D converter and an indirect a/D converter according to the principle of conversion. A direct a/D converter is a direct conversion of analog signals into digital signals, such as successive approximation. The indirect a/D converter converts analog quantity into intermediate quantity and then into digital quantity, such as voltage/time conversion type, voltage/frequency conversion type, voltage/pulse width conversion type, etc. the integrated A/D converter has simple circuit, high anti-interference capability, high resolution, and low conversion speed. Some converters integrate a plurality of switches, a reference voltage source, a clock circuit, a decoder and a conversion circuit into one chip, which is far beyond the simple A/D conversion function, and the use is very convenient.
a/D converter conversion principle: a complete a/D conversion process must include sampling, holding, quantization, and encoding. Sample and hold: because the sampling time is very short, the sampling output is a series of intermittent narrow pulses. A certain time is required to digitize each sampled narrow pulse signal. Between sampling, the sampled analog signal should be stored temporarily until the next sampling pulse arrives, an action called hold. In analog circuit designs, a sample-and-hold circuit is added. To ensure proper conversion, the analog circuitry retains the as yet unconverted data.
The infrared transmitting tube is used for transmitting signals, reflecting the signals through the barriers, receiving the reflected signals through the infrared receiving tube, and recording corresponding voltage values according to the strength of the signals. And then, correcting the program, and using the infrared receiving and transmitting module to measure the distance so as to display the distance value corresponding to the signal intensity received by the infrared receiving tube.
The photosensitive sensing unit is mainly realized by a photosensitive resistor, and the working principle is based on an internal photoelectric effect. The stronger the illumination, the lower the resistance, the resistance is rapidly reduced along with the increase of the illumination intensity, the monitoring effect on surrounding light sources is realized, the emission intensity of the modulated light emitting unit can be adjusted according to the intensity of the surrounding light sources, so that the detection precision and the detection range of the infrared distance measuring device can be adjusted in real time and accurately calculated, and the reliability and the stability of the sensing device are improved;
as shown in fig. 5 and fig. 6 (a) -6 (e), a nonpolar common ground bridge circuit applied to a control method of an intelligent induction control system of a work support system includes: in practical applications, the need for coupling with other external power supply systems may be met. Such as an RS485 interface, an AC buck power supply system. The POWERBUS bus adopts a current loop technology, and is connected with other power supply systems to cause potential difference of ground and communication error codes, so that the DCS bus power supply output ground and the DCS bus power supply output ground are required to be grounded together under the application condition.
This application requirement can be met by the circuit shown in fig. 5, replacing the rectifier bridge portion of fig. 5, e.g., the left diagram, with the circuit of the right diagram. The two ground systems are connected through the low-conduction characteristic of the MOSFET to realize the matching with other ground loops, and the non-polarity characteristic is maintained.
Specifically, the control method of the intelligent induction control system applied to the operation support system provided in the embodiment realizes an intelligent infrared ranging function based on the PB331 chip as a hardware platform, and the work flow of the infrared ranging system is as follows: in the whole infrared ranging system work, after the system is connected to a starting power supply, firstly, the PB331 singlechip is initialized, after the singlechip receives an analog voltage signal transmitted by an infrared sensor, the analog voltage signal Vout input into the singlechip is converted into a digital signal identifiable by the singlechip through an A/D conversion circuit, the distance to be measured is converted through a voltage distance conversion program, and then the measurement accuracy is improved through 10 times of average filtering.
In order to realize infrared ranging, in the hardware design, an infrared emitting driving circuit drives an infrared diode of an emitting head to emit infrared light, when the infrared light is received by a photosensitive diode of an infrared receiving head driven by an infrared receiving driving circuit, the infrared light is converted into a measurable voltage value through voltage conversion, because the intensity of the infrared light is enhanced along with the reduction of the distance, and the voltage value converted by the infrared receiving circuit is enhanced along with the reduction of the distance. And because the voltage is proportional to the distance, the distance between the infrared emission module and the receiving module is known through calculation of the converted voltage. The PB331 chip converts the voltage analog quantity into a digital quantity through A/D conversion, and distance measurement and area calculation are realized.
Because the integrated combination of the triangulation method (PSD (photosensitive sensing unit), IRED (infrared light emitting diode) and signal principle circuit) is adopted, the reflectivity of various objects is not easy to influence the detection of the ambient temperature, various interference light sources and the like, and the reliability and the stability of the sensing device are further improved.
Claims (5)
1. A control method of an intelligent induction control system applied to a work support system is characterized in that: the intelligent sensing device comprises an intelligent sensing device master station and an intelligent sensing device slave station, wherein a POWERBUS bus is adopted in an industrial communication control mode between the intelligent sensing device master station and the intelligent sensing device slave station; the intelligent sensing device secondary station comprises a data processing module and an infrared ranging module, wherein the infrared ranging module comprises a modulated light emitting unit, a modulated light receiving unit, an A/D converter, an LED display unit and a photosensitive sensing unit;
the modulating light emitting unit adopts a semiconductor optical device with radiation-modulation dual functions, directly carries out amplitude modulation on emitted light intensity by changing the magnitude of feed current, adopts PWM modulation output to realize emission intensity control and modulation, and modulates emission intensity according to the distance between an ambient light source and an object to be measured;
the device performs the following steps:
1) The intelligent sensing device master station collects sensing information acquired by the intelligent sensing device slave station;
2) The intelligent sensing device master station processes, analyzes and reports the sensing information to the upper server in a centralized manner, and the intelligent sensing device master station executes a control instruction issued by the upper server;
3) All units outside the intelligent sensing device are connected with a singlechip PB331, the singlechip outputs power output of a control transmitting unit through PWM modulation, a receiving unit receives feedback signals and is connected with the singlechip, the singlechip converts analog signals into digital signals through an A/D converter and analyzes and processes the digital signals, the singlechip is connected with an LED unit, state information of a module is displayed, and a photosensitive sensing unit collects illumination intensity of ambient light and feeds back real-time illumination information to the singlechip.
2. The control method of the intelligent sensing control system applied to the operation support system according to claim 1, wherein: the POWERBUS bus is an intelligent low-voltage power supply two-bus, and the load is any load.
3. The control method of the intelligent sensing control system applied to the operation support system according to claim 1, wherein: the infrared ranging module comprises an infrared emission driving circuit, the infrared emission driving circuit drives an infrared diode of the emission head to emit infrared light, when the infrared light is received by a photosensitive diode of the infrared receiving head driven by the infrared receiving driving circuit, the infrared light is converted into a measurable voltage value through voltage conversion, and the distance between the infrared emission module and the receiving module is obtained through calculation of the converted voltage.
4. The control method of the intelligent sensing control system applied to the operation support system according to claim 1, wherein: the modulating light receiving unit adopts a silicon photodiode, converts the voltage analog quantity into a digital quantity through an A/D converter by means of A/D conversion, realizes the measurement of distance and the calculation of area, judges the shape and the size of the measured object by the distance and the measured area of the measured object, and eliminates interference factors.
5. The control method of the intelligent sensing control system applied to the operation support system according to claim 1, wherein: the photosensitive sensing unit is realized by a photosensitive resistor, the monitoring function of surrounding light sources is realized based on an internal photoelectric effect, and the emission intensity of the modulated light emitting unit is adjusted according to the intensity of the surrounding light sources.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990014372A (en) * | 1998-11-03 | 1999-02-25 | 송재근 | Safety device of industrial machine |
| WO2014111920A1 (en) * | 2013-01-17 | 2014-07-24 | Sure Erasure Ltd. | System and method for monitoring of an electro-mechanical device |
| CN106054845A (en) * | 2016-07-15 | 2016-10-26 | 常州灵骏机器人科技有限公司 | Service robot control system based on industrial ethernet |
| KR20170023425A (en) * | 2015-08-23 | 2017-03-06 | 황은미 | 3d image coordinate collection system using 2d flat distance sensor |
| CN110456368A (en) * | 2018-05-08 | 2019-11-15 | 上海梓琰信息科技有限公司 | A kind of infrared ranging system and its distance measuring method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL390612A1 (en) * | 2010-03-04 | 2011-09-12 | Lars Co. K. Łagutko, A. Roman, J. Belino-Studziński Spółka Jawna | Method for automatic adjustment of brightness and a device with automatic brightness adjustment |
-
2020
- 2020-12-15 CN CN202011475494.0A patent/CN112666567B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990014372A (en) * | 1998-11-03 | 1999-02-25 | 송재근 | Safety device of industrial machine |
| WO2014111920A1 (en) * | 2013-01-17 | 2014-07-24 | Sure Erasure Ltd. | System and method for monitoring of an electro-mechanical device |
| KR20170023425A (en) * | 2015-08-23 | 2017-03-06 | 황은미 | 3d image coordinate collection system using 2d flat distance sensor |
| CN106054845A (en) * | 2016-07-15 | 2016-10-26 | 常州灵骏机器人科技有限公司 | Service robot control system based on industrial ethernet |
| CN110456368A (en) * | 2018-05-08 | 2019-11-15 | 上海梓琰信息科技有限公司 | A kind of infrared ranging system and its distance measuring method |
Non-Patent Citations (2)
| Title |
|---|
| "Electromagnetic induction eddy current-based far infrared rays radiant heater using soft switching PWM inverter with duty cycle control scheme";H. Iyomori et al.;《Proceedings of the Power Conversion Conference-Osaka 2002 (Cat. No.02TH8579)》;20020807;第1512-1516页 * |
| "基于单片机的光电传感信号检测系统设计";王小艳等;《沈阳化工大学学报》;20130915;第27卷(第3期);第258-261, 288页 * |
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