Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
  • B66B5/0006—Monitoring devices or performance analysers
  • B66B5/0018—Devices monitoring the operating condition of the elevator system
  • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
  • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
  • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
  • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E10/00—Energy generation through renewable energy sources
  • Y02E10/70—Wind energy
  • Y02E10/72—Wind turbines with rotation axis in wind direction

Definitions

• the present invention relates to the technical field of elevator safety monitoring, and specifically to a safety detection method, system and device for wind turbine box-type lifting equipment.
• the box-type lifting equipment is installed in the tower of the wind turbine to facilitate maintenance personnel to enter the engine room from the tower base.
• box-type lifting equipment With the long-term use of box-type lifting equipment, it is necessary to check the mechanical strength of the car, the parking gear lever on the top of the car, the car control box, and the wear and tear of the car ropes.
• some users There are certain dangers in using lifting equipment without checking the relevant equipment, and using lifting equipment without wearing relevant protective equipment.
• the object of the present invention is to provide a safety detection method, system and device for wind turbine van-type lifting equipment, so as to solve the problem in the background technology that workers tend to neglect the inspection work of the lifting equipment and wear unqualified protective equipment, resulting in the safety of riding the lifting equipment.
• Step 1 Before each operation of the lifting equipment, based on the comparison between the current lifting times of the lifting equipment and the preset threshold number of times, determine whether the lifting equipment needs to be inspected; if the current lifting times If the number of times exceeds the threshold, the safety check circuit of the lifting equipment will be cut off. After the safety check circuit is manually turned on, the number of elevator lifts will return to zero;
• Step 2 Obtain the external image information of the lifting equipment, extract the characteristic parameters of the image information for correctly wearing the protective equipment, and use the trained part detection model to identify the part features of the image information to determine whether the user is wearing the protective equipment correctly;
• Step 3 Output the alarm information.
• the external terminal provides a fault warning for the lifting equipment.
• the voice prompt module the voice broadcast prompts the reason why the elevator cannot start normally.
• the invention also provides a safety detection system for wind turbine van-type lifting equipment, including:
• the equipment monitoring module includes a safety inspection circuit and a control switch module connected to the lifting equipment startup circuit.
• the safety inspection circuit includes a plurality of touch switches connected in series.
• the touch switches are arranged on the lifting equipment. At multiple components, the output ends of multiple touch switches are connected with relays.
• the control switch module is used to send control signals to control the conduction state of multiple touch switches; the counting module is used to collect and lift equipment.
• system further includes a temporary start-up circuit, which includes a bypass button connected in parallel at both ends of the safety inspection circuit.
• the components include top baffle, wire rope, driving gear, control box and anti-fall device.
• system further includes a cloud server communicatively connected to the controller through a communication module.
• the invention also provides an image acquisition device used in a safety detection system.
• the image acquisition device includes: a camera for collecting video information outside the elevator to obtain human body image information outside the elevator; an image recognition module including a camera for detecting images
• the first identification model of whether the person wearing the safety helmet and the second identification model of whether the climbing protective equipment is correctly worn are used.
• the image acquisition device further includes a voice prompt module, which is used to output voice information of the recognition results of the first recognition model and the second recognition model.
• the present invention also provides an electronic device.
• the electronic device includes: a processor and a memory communicatively connected to the processor; wherein the memory stores instructions that can be executed by the processor, and the instructions are executed by the processor.
• the processor executes, so that the processor can execute the steps of the security detection method described in claim 1.
• the present invention also provides a computer-readable storage medium.
• a program for implementing a security detection method is stored on the computer-readable storage medium.
• the program for implementing the security detection method is executed by a processor to implement the method described in claim 1. Steps of security testing methods.
• a safety detection system for wind turbine van-type lifting equipment of the present invention By adding detection devices to multiple components, detection work at multiple locations needs to be completed at the same time before the lifting equipment can be started, which can prevent users from using the lifting equipment. Omissions in equipment inspection work;
• a touch switch of the present invention used in a safety detection system.
• the controller controls the on and off of the touch switch, without the need for a mechanical switch to achieve on and off;
• FIG. 2 is a schematic diagram of the safety monitoring system for van lifting equipment provided by an embodiment of the present invention
• Figure 3 is a schematic flow chart of a safety monitoring system for van lifting equipment provided by an embodiment of the present invention.
• step 1 the number of times the lifting equipment can be lifted and lowered is determined by the threshold number, and based on the threshold number of times, the number of times the lifting equipment can be operated is limited through the safety check circuit; after the safety check circuit is cut off, the lifting equipment cannot be started and needs to be turned on manually. Safely check multiple switches on the circuit and continue using the cycle.
• Step 2 Obtain the external image information of the lifting equipment, extract the characteristic parameters of the image information for correctly wearing the protective equipment, and use the trained part detection model to identify the part features of the image information to determine whether the user is wearing the protective equipment correctly;
• the training process of the part monitoring model includes: obtaining a plurality of first sample portrait pictures marked with correct wearing of helmets, second sample portrait pictures of incorrectly worn helmets, and correct wearing of climbing protective equipment.
• the third sample portrait image and the fourth sample portrait image of not wearing climbing protective equipment correctly use the data enhancement method of Mosaic in YOLOv4 to merge a certain number of sample images into one training image; the synthesized first image
• the personal portrait training picture and the second sample portrait training picture are input into the first training set and the first test set respectively according to the ratio of 5:1 to obtain the first recognition model.
• the synthesized third sample portrait training picture and the fourth sample portrait are The training images are also input into the second training set and the second test set respectively according to the ratio of 5:1 and the second recognition model is obtained;
• Step 3 Output the alarm information.
• the external terminal provides a fault warning for the lifting equipment.
• the voice prompt module the voice broadcast prompts the reason why the elevator cannot start normally.
• the present invention also provides a safety detection system for van-type lifting equipment of wind turbines.
• Figure 2 is a schematic diagram of the safety monitoring system for van-type lifting equipment provided by the present invention. As shown in Figure 2, it includes:
• counting module used to collect the lifting times of the lifting equipment
• image acquisition module located outside the lifting equipment, used to collect human body image information
• communication module used to communicate with external terminals
• controller used according to The detection results of the equipment monitoring module and/or the image acquisition module control the switching and lifting of the lifting equipment
• power module the power module is electrically connected to the controller, image recognition device, and equipment monitoring module respectively
• alarm module the alarm The module is communicatively connected with the controller, and the alarm module is a sound and light alarm.
• the controller can be a controller with a data processing function in the prior art, such as a microcontroller, but the present invention is not limited thereto. It can also be other suitable types of controllers.
• the controller can be The counting module records the number of lifts and falls of the lifting equipment. When the number of lifts and falls of the lifting equipment reaches the threshold range of the number of lifts, it means that multiple parts of the lifting equipment need to be inspected. At this time, the control switch module controls multiple contacts. If the control switch pops up, the lifting equipment cannot be used anymore; if you want to use the lifting equipment, you must trigger the touch switch of each detection device before using the lifting equipment. If the touch switch at any position is not triggered, the lifting equipment cannot be started.
• the image recognition device is communicatively connected with the controller, and the image recognition device is located outside the lifting equipment; if the image recognition device recognizes that the user does not wear protective equipment and/or wears protective equipment incorrectly, the controller sends a command to Sound and light alarm, the sound and light alarm issues a warning to remind the user to wear protective equipment.
• the system further includes a temporary start-up circuit, and the temporary start-up circuit includes a bypass button connected in parallel at both ends of the safety inspection circuit.
• the touch switches are detachably installed on the top baffle, wire rope, driving gear, control box and anti-fall device of the lifting equipment, and are connected in series to the starting circuit of the lifting equipment using wires, but Not limited to the above components, touch switches can also be installed on other components of the lifting equipment according to actual application requirements.
• the invention also provides a touch switch used in a safety detection system.
• the touch switch includes a touch detection component, a pressure detection component, a feedback component and a reset component: the touch detection component is used to detect touches on the touch switch. , and generate a touch detection signal; the pressure detection component is used to detect the pressure of the touch switch; the feedback component is used to feed back the status of the touch switch; the reset component is used to pop open the pressure detection component .
• the image acquisition device further includes a voice prompt module, which is used to output voice information of the recognition results of the first recognition model and the second recognition model.
• the voice prompt module uses an existing voice broadcaster, and the voice broadcaster is used to read the monitoring results of the first recognition model and the second recognition model and broadcast them.

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• Engineering & Computer Science (AREA)
• Human Computer Interaction (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Multimedia (AREA)
• Theoretical Computer Science (AREA)
• Maintenance And Inspection Apparatuses For Elevators (AREA)
• Indicating And Signalling Devices For Elevators (AREA)
• Elevator Control (AREA)

Applications Claiming Priority (2)

Publications (1)

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ID=83409135

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Citations (6)

Family Cites Families (6)

• 2022
  • 2022-06-21 CN CN202210703562.7A patent/CN115140626A/zh active Pending
• 2023
  • 2023-03-09 DE DE202023101135.7U patent/DE202023101135U1/de active Active
  • 2023-04-20 JP JP2023001341U patent/JP3244086U/ja active Active
  • 2023-04-25 WO PCT/CN2023/090498 patent/WO2023246284A1/zh unknown

Patent Citations (6)

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