Temperature and humidity laser radar linkage control device and linkage control method

By using the linkage control device of the door magnetic monitoring circuit and the radar main control module in the lidar cabin, the problems of light interference failure and high cost are solved, and the laser is actively turned off and automatic recovery is achieved, ensuring the safety and economicality of radar operation.

CN119667638APending Publication Date: 2025-03-21WUXI ZHONGKE OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202411927719.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

The existing infrared sensing and camera recognition technology has problems in the lidar cabin, such as light interference failure, high design difficulty, high cost, and the inability to achieve linkage communication control with the radar host, resulting in the inability to actively turn off the laser to ensure safety.

Method used

A temperature and humidity lidar linkage control device is designed, and the door magnetic monitoring circuit is used for induction. It is connected to the monitoring system, environmental control board, and transmission system through the radar main control module to realize the active shutdown and automatic recovery of the laser, and notify the administrator through the display prompt, record logs and send emails.

Benefits of technology

It realizes laser radar linkage control with no light interference, low cost and easy installation, can conduct linkage communication control with the radar host, actively turn off the laser to ensure safety, and generate record logs and email reminders to automatically determine whether the laser light is restored.

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Abstract

The invention relates to a laser radar, in particular to a temperature and humidity laser radar linkage control device and a linkage control method. The device comprises a display, a monitoring system, a transmitting system, an environment control board and a door magnetic monitoring circuit, wherein the monitoring system, the transmitting system and the environment control board are connected with a radar main control module; the environment control board is used for input and output control of external sensor signals; the door magnetic monitoring circuit is used for sensing and monitoring the opening or closing state of the equipment door; the radar main control module is used for analyzing and processing pictures or videos of the monitoring system, responding to a trigger alarm signal of the environment control panel, controlling the transmitting system to perform light-off protection, and automatically generating a record log and sending a mail to an administrator for reminding when a popup prompt appears at a display end; and judging whether a self-recovery transmitting system is needed or not according to the operation condition. The device performs induction through the door magnet, does not have the problem of light interference failure, and is low in cost and simple and convenient to install.
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Description

Technical Field

[0001] The invention relates to a laser radar, and in particular to a temperature and humidity laser radar linkage control device and linkage control method. Background Art

[0002] At present, conventional monitoring methods include infrared sensing and camera recognition. The infrared method is to sense the infrared rays of the human body when a person enters the equipment cabin or its surroundings, trigger an alarm, and output an alarm message. The camera recognition method uses an imaging lens + image recognition algorithm to analyze the operator's video information and then trigger an alarm. In addition to infrared sensing and camera recognition, there are no other means. In the radar cabin, infrared sensing will be interfered by the 1064 wavelength light emitted by the laser, which will cause the infrared sensing to fail. Camera recognition will increase the difficulty of the cabin design, and the deployment of cameras will also increase costs, reducing the value of economic benefits. In addition, these two solutions are difficult to achieve communication control with the radar host, so the function of actively shutting down the laser cannot be realized. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a temperature and humidity laser radar linkage control device, and the specific technical solution is as follows: A temperature and humidity laser radar linkage control device comprises: a display; a monitoring system for video monitoring, storage and viewing of video images; a transmitting system for transmitting laser beams; an environmental control board for input and output control of external sensor signals; a door magnetic monitoring circuit connected to the environmental control board for sensing and monitoring the open or closed state of an equipment door; a radar main control module connected to the monitoring system, the environmental control board, the transmitting system and the display respectively, for analyzing and processing pictures or videos of the monitoring system, responding to the trigger alarm signal of the environmental control board and controlling the transmitting system to shut off the light for protection, a pop-up window prompt appears on the display end, a record log is automatically generated and sent by email to the administrator for reminder, and when personnel evacuate, it is determined whether the self-recovery of the transmitting system is needed based on the operating conditions.

[0004] Preferably, the monitoring system is connected to the radar main control module via a network port.

[0005] Preferably, the radar main control module is connected to the transmitting system via a serial port.

[0006] Preferably, the environmental control board is connected to the radar active module via a serial port.

[0007] Preferably, the environmental control board is provided with a magnetic-optical coupling conditioning circuit.

[0008] A temperature and humidity laser radar linkage control method is used for a temperature and humidity laser radar alarm device, and controls the switch of the transmitting system through a door magnetic monitoring circuit.

[0009] Compared with the prior art, the present invention has the following beneficial effects: A temperature and humidity laser radar linkage control device provided by the present invention performs sensing through door magnetism, does not have the problem of optical interference failure, has low cost and is easy to install, can avoid the shortcomings of the above two solutions, and can be linked to the radar host for communication control. When personnel-related operations are detected, the laser is actively turned off to ensure laser safety. A pop-up prompt appears on the display end, and a record log is generated and automatically sent to the administrator by email. After the operator evacuates, the system can automatically determine whether to restore laser light according to the operating conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural diagram of this application; Figure 2 It is the circuit schematic diagram of the door magnetic monitoring circuit. DETAILED DESCRIPTION

[0011] The present invention will be further described with reference to the accompanying drawings.

[0012] like Figure 1 and Figure 2 As shown, the principle of sound and light control is adopted, with the radar industrial computer as the core, integrating the radar-specific camera monitoring system, environmental control board, door magnetic monitoring circuit, laser and display and other main core units, realizing the functions of laser warning and reminder, ensuring the personal safety of laser radar operators, and avoiding laser damage to the human body. The high-energy laser in the laser radar poses a great threat to human safety, and the danger level is divided into four categories. Class 1 lasers are harmless, Class 4 lasers are highly dangerous, and Class 2 and 3 lasers are low and moderately dangerous, respectively. During the actual operation of the radar, the optical path is exposed to the range that the operator can see or touch. When the device opens the door, the invention promptly reminds the operator through the sound and light reminder function, and the laser can be actively shut down without emitting light, ensuring that the operator is protected from laser damage.

[0013] A temperature and humidity laser radar linkage control device comprises a display, a monitoring system, a transmitting system, an environmental control board, a door magnetic monitoring circuit and a radar main control module, wherein the display is directly connected to the radar main control module; the monitoring system is connected to the radar main control module by means of network port communication, and the monitoring system is used for video monitoring, storage and viewing of video images; the transmitting system is connected to the radar main control module by means of serial port communication, and the transmitting system is used for transmitting laser beams; the environmental control board is connected to the radar main control module by means of serial port communication, and the environmental control board is used for input and output control of external sensor signals; the door magnetic monitoring circuit is connected to the environmental control board, and the door magnetic monitoring circuit is used for sensing and monitoring the open or closed state of the equipment door; the radar main control module is used for analyzing and processing pictures or videos of the monitoring system, responding to the trigger alarm signal of the environmental control board and controlling the transmitting system to turn off the light for protection, a pop-up window prompt appears on the display end, a record log is automatically generated and sent by email to the administrator for reminder, and when personnel evacuate, it is determined whether the self-recovery transmitting system is needed according to the operation situation.

[0014] The environmental control board is equipped with a conditioning circuit for magnetic optocouplers.

[0015] A temperature and humidity laser radar linkage control device can ensure the long-term, stable and reliable operation of the radar.

[0016] The monitoring system uses TCP / IP network as the transmission medium for video monitoring. The monitoring system mainly uses cameras and other related equipment with network communication functions. The system uses the IP network to combine the original scattered analog video monitoring into an organic system with interconnection and flexible authority management, and uses the IP network to achieve multi-level remote monitoring, so that users can achieve video monitoring and video image storage and viewing at any location through the network. At the same time, when someone enters the cabin, the image recognition algorithm on the industrial computer can identify the person and pop up a warning slogan on the display to pay attention to laser safety.

[0017] The environmental control board integrates the conditioning circuit of the door magnet optocoupler. This module mainly realizes the input and output control functions of external sensor signals. The conditioning circuit adopts the method of optocoupler isolation to reduce the interference of external signals. It ensures that the door magnet will not be triggered by mistake, greatly increasing the reliability.

[0018] The door magnetic monitoring circuit is a module that senses or monitors the opening or closing status of the equipment door. The circuit can be a switch circuit, which can be installed on the edge of the equipment door. When the equipment door is opened or closed, the sensor monitors the door opening or closing and transmits the signal to the environmental control board. Figure 2As shown, the door magnetic signal is protected by D4 and D5, and then the state is changed by U3. The signal is given to the microprocessor through R29, R31, R33 and R34.

[0019] The radar main control module is the main brain of the device. This module can be a general industrial computer, computer or embedded software system. It communicates with the camera through the network port and communicates with the environmental control board through the serial port. In terms of the function of the alarm device, it mainly analyzes and processes the pictures or videos of the camera, responds to the trigger alarm signal of the environmental control board and controls the laser to shut off the light for protection. A pop-up window prompt appears on the display end, and a record log is automatically generated and sent to the administrator for reminder. When personnel evacuate, it determines whether the self-recovery laser light is needed based on the operation situation.

[0020] The main device component of the laser radar of the transmitting system is generally a laser, which outputs a laser beam of a specific wavelength. A temperature and humidity laser radar linkage control device is used to protect the laser of the system from emitting light.

[0021] The joint prevention and control function is realized: through the combination of camera and door magnet, and able to communicate with the radar host, when relevant human operation is detected, the laser is actively turned off to ensure laser safety; a pop-up window prompt will appear on the display end, and a record log will be generated and automatically sent to the administrator by email. When the operator evacuates, the system can automatically determine whether to resume laser light according to the operation situation; A temperature and humidity laser radar linkage control device has low cost and can realize remote monitoring of the real-time status of the radar when no one is on duty.

[0022] A temperature and humidity laser radar linkage control method is used for a temperature and humidity laser radar alarm device, and controls the switch of the transmitting system through a door magnetic monitoring circuit.

[0023] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the protection scope of the claims of the present invention.

Claims

1. A temperature and humidity laser radar linkage control device, characterized in that: include: monitor; Monitoring system for video monitoring, storage and viewing of video images; A launching system, used for launching a laser beam; Environmental control board, used for input and output control of external sensor signals; A door magnetic monitoring circuit, connected to the environmental control board, for sensing and monitoring the open or closed state of the equipment door; The radar main control module is connected to the monitoring system, environmental control board, transmitting system and display. It is used to analyze and process the pictures or videos of the monitoring system, respond to the trigger alarm signal of the environmental control board and control the transmitting system to cut off the light for protection. A pop-up window prompt will appear on the display end, and a record log will be automatically generated and sent to the administrator for reminder. When personnel evacuate, it will determine whether the transmitting system needs to be self-recovered based on the operating conditions.

2. A temperature and humidity laser radar linkage control device according to claim 1, characterized in that: The monitoring system is connected to the radar main control module via a network port.

3. The temperature and humidity laser radar linkage control device according to claim 1, characterized in that: The radar main control module is connected to the transmitting system via a serial port.

4. The temperature and humidity laser radar linkage control device according to claim 1, characterized in that: The environment control board is connected to the radar active module via a serial port.

5. The temperature and humidity laser radar linkage control device according to claim 1, characterized in that: The environmental control board is provided with a conditioning circuit of a magnetic-optical coupling.

6. A temperature and humidity laser radar linkage control method, used for a temperature and humidity laser radar alarm device according to claim 1, characterized in that: The switch of the transmitting system is controlled by a door magnetic monitoring circuit.