840 results about "Buzzer" patented technology

The invention discloses a cable warning pile and method for monitoring the state of an intermediate joint of a directly-buried power cable, relates to the field of state monitoring of power equipment in power engineering, and aims to solve the problems of single-parameter acquisition, large interference influence, non-objective evaluation and non-visual early warning in the existing monitoring technology. The warning pile is vertically buried at the position 0.3-0.8 m above a connector, temperature, partial discharge, vibration and environment data are synchronously collected through multiple sensors such as an optical fiber temperature sensor and a high-frequency current transformer, after data alignment, abnormal value elimination, filtering and integral preprocessing, the real temperature of the connector is restored through an environment and vibration coupling correction model, and the real temperature of the connector is obtained. And extracting a partial discharge peak factor and an average discharge capacity core characteristic. An index weight is determined based on an entropy weight method to construct a health degree evaluation model, operation states are divided into normal, attention, early warning and fault classes, hierarchical visual warning is realized through a three-color indicating lamp group and a buzzer, and the model is dynamically updated in combination with maintenance data every three months.

The invention relates to the technical field of vehicle-mounted images, in particular to a lightweight real-time target detection method and system for an automobile data recorder. The method comprises the following steps: collecting a real-time video frame from an automobile data recorder camera, zooming the real-time video frame to a fixed size to obtain a standardized video frame, combining a preset lightweight target detection model, dividing the standardized video frame into a foreground region image and a background region image, and detecting key target information, key target dynamic data and real-time frames are displayed in an enhanced mode, and when a detection result reaches a dangerous condition threshold value, video buzzing alarm and visual prompt are triggered immediately. According to the invention, the analysis of the key target dynamic data is realized, the change trend in the traffic scene can be accurately captured, the information transmission efficiency is improved, and the reaction time assistance caused by information delay is reduced.

The utility model discloses a semi-automatic straight pipe double-end spot welding machine, which relates to the technical field of spot welding machines and comprises a base, and a left terminal piece feeding mechanism and a right terminal piece feeding mechanism are arranged on two sides of the top of the base. A fixing piece direction rotating mechanism, a spot welding mechanism, a clamping mechanism, a two-color buzzer, a PLC microcomputer controller and a discharging mechanism are arranged in the center of the top of the base. According to the double-end spot welding machine, the servo motor power transmission component, the up-down air cylinder, the push-out air cylinder, the parallel opening and closing finger air cylinder, the fixed piece direction rotating component and the like are integrated, and automatic operation of a series of steps including heating pipe feeding, clamping, transferring, rotary centering, terminal piece processing, pushing, welding and the like is achieved. Compared with the prior art, manual participation links are greatly reduced, the requirement for the technical level of operators is lowered, basic operation can be conducted without technicians or operators, the range of the operators is expanded, and the training cost and the time cost are reduced.

The utility model discloses an intelligent goods shelf, include: a plurality of groups of support frame, carry board, a plurality of groups of quick detach type blocking mechanism and a plurality of groups of early warning prompting mechanism. A plurality of groups of support frame between fixed assembly have carry board. Quick detach type blocking mechanism includes a pair of fixed connecting piece, and the side of a pair of fixed connecting piece close to each other all fixed assembly has the supporting block, and a pair of supporting blocks between sliding assembly has the blocking board. A plurality of groups of early warning prompting mechanism are assembled in the blocking board respectively, and early warning prompting mechanism includes the anti -collision protection air bag, and the outside wall of blocking board is connected with early warning buzzer cylinder threadedly, and the communication of early warning buzzer cylinder and anti -collision protection air bag has the lead -through air pipe, and a plurality of buzzer balls are arranged in early warning buzzer cylinder. The utility model discloses an intelligent goods shelf through the setting of corresponding structure can prevent the goods of placing and protect from falling, has reduced the use safety hidden danger of warehouse goods shelf, has improved the storage stability of warehouse goods shelf.

The utility model discloses a three -dimensional parking garage with parking reminding function, including foundation, the lifting bin and the parking bin that are surrounded by the column and the crossbeam of being equipped with by a plurality of on the foundation, be equipped with a plurality of horizontal shift device in the parking bin, the lifting bin top is equipped with hoisting device, be equipped with the lifting device that is connected with hoisting device in the lifting bin, be equipped with the fixed comb tooth seat on the foundation, and the comb tooth of fixed comb tooth seat and the comb tooth of lifting device staggered cooperation, and set up in the inside of lifting path of lifting device, lifting device can drop to the horizontal height less than the horizontal height of fixed comb tooth seat, be equipped with the I -beam groove on the front comb tooth of fixed comb tooth seat, place the bearing plate that is in I -beam shape on the I -beam groove, symmetrically be equipped with reset spring between bearing plate and I -beam groove, be equipped with the placement groove between two reset springs, place the pressure sensor in the placement groove, be equipped with the buzzer of electric connection with pressure sensor on the foundation, the utility model discloses reminding the driver after the vehicle parking in place to improve the parking efficiency.

The utility model relates to the technical field of network equipment, in particular to a network equipment interface with a network diagnosis function, which comprises an equipment body, interface slots are arranged at two ends of one side of the equipment body, connector lugs are arranged on the interface slots, clamping slots are arranged at two sides of the connector lugs, and diagnosis modules are arranged in the interface slots. The diagnosis module comprises a data capture unit, a connection state monitoring unit and a fault alarm, whether the wiring is normally connected or not can be detected, if looseness or falling is found, an alarm is triggered immediately, and the fault alarm unit can give an alarm through an LED lamp and a buzzer, remind a user to take measures and record related event logs, so that subsequent analysis is facilitated; and the connector lug is matched with the clamping block on the moving plate through the clamping groove, so that the connector lug can be firmly fixed on the interface groove, the mechanical stability of the interface is remarkably improved, the structure is simple, the implementation is easy, and the influence of network interruption on a user is reduced through a fault alarm function.

The invention provides a laser flame and temperature cooperative detection alarm method and device, and relates to the technical field of safety monitoring and protection of laser processing equipment.The laser flame and temperature cooperative detection alarm method comprises the steps that a laser equipment detection request is responded, flame and temperature initial signals of an area where equipment belongs are synchronously obtained and preprocessed, and historical data are extracted based on preprocessed signals to construct a signal set; flame and temperature signal variation coefficients are calculated, and a composite variation coefficient is obtained by combining dual-signal synergism weighting; according to comparison between the composite variable coefficient and a preset threshold value, double-path cooperation or single-path precise early warning is executed, and buzzing alarm is carried out. The problems that an existing monitoring single parameter is prone to false alarm, the early recognition precision is insufficient, and protection actions cannot be matched are solved, and the protection effects of false alarm reduction, early precise recognition and adaptation to different risks are achieved.

The utility model belongs to the technical field of loudspeakers, and discloses a miniature magnetic panel loudspeaker, which comprises an upper cover and a lower cover, a magnet is fixedly mounted on the lower cover, the magnet is annular, a coil is fixedly mounted in the magnet, a vibrating diaphragm assembly is arranged above the magnet and comprises a vibrating diaphragm and a vibrating diaphragm support, and the vibrating diaphragm support is fixedly mounted on the lower cover. In the application, the diaphragm vibrates integrally, so that the segmentation vibration is greatly reduced, the diaphragm integrity is better, and more excellent high-frequency performance can be brought, therefore, the device combines the advantages of a miniature flat horn, a balanced armature horn and an electromagnetic buzzer, the structure of the horn is simplified, the cost of the horn is reduced, and the mass of the diaphragm is reduced; the segmentation vibration in the working process is reduced, and the sound performance of the loudspeaker in high frequency is greatly improved.

The utility model relates to the field of solder tip dismounting and mounting, in particular to a solder tip dismounting and mounting device which comprises a connecting column and a solder tip, a fixing groove is formed in the front side end face of the connecting column, a first bolt is screwed in the fixing groove, a fixing plate is installed on the front side end face of the first bolt, the fixing plate is made of heat insulation plate materials, and the solder tip is installed on the front side end face of the fixing plate. A fixing plate is arranged on the fixing plate, a connecting column is arranged on the fixing plate, pressure sensors are vertically and symmetrically embedded in the end face of the front side of the connecting column, a buzzer is embedded in the end face of the rear side of the soldering bit, a control panel is arranged in the soldering bit, the control panel is electrically connected with the pressure sensors, and the control panel is electrically connected with the control panel. And therefore, personnel are reminded to tighten the soldering bit in time, and the use effect is prevented from being affected by loosening of the soldering bit.

The invention discloses a passenger car fatigue driving alarm device based on the Internet of Vehicles, and belongs to the technical field of automobile safety, and the passenger car fatigue driving alarm device based on the Internet of Vehicles comprises a mounting base and a fixed base, a rotating table is arranged at the upper end of the fixed base, and a mounting frame is rotationally arranged at the upper end of the rotating table; pressure can be continuously detected in the driving process through the structure of the pressure sensor, if a driver is in fatigue driving and the head is separated from the device, alarm reminding is carried out, and through the structure of the buzzer and the vibration piece, when the image recognition device recognizes that the driver is in fatigue, sound alarm reminding is carried out, and meanwhile the driver is prevented from being damaged. And through the arrangement of the structure of the electric heating piece, after the driver drives for a period of time, the electric heating piece can emit heat to remind the driver to find a place to have a rest in time, so that long-time fatigue driving is avoided.

The utility model relates to a fabric washing resistance testing device, which comprises a base, a water storage cavity, a water inlet pipe, a water outlet pipe, a water outlet pipe and a water outlet pipe and is characterized in that the left side of the top of the base is provided with a circular groove; the impeller washer is mounted in the circular groove and used for washing the fabric; the water changing assembly is arranged at the bottom of the base and used for changing water for the impeller washer. The utility model relates to the technical field of fabric performance detection. According to the testing device for the washing resistance of the fabric, through the arranged filtering assembly, when sewage makes contact with a filtering plate, most pigment particles in the sewage can be adsorbed through the filtering plate, so that water becomes clear again, and the situation that the subsequent fabric washing detection effect is affected due to continuous use of washing water is avoided; along with the gradual increase of the water level in the water storage cavity, the floater moves upwards again, and the next turn of fabric washing can be started until the buzzer alarm gives an alarm again, so that water resources can be effectively saved.

The utility model provides a multifunctional loudspeaker. The multifunctional loudspeaker comprises a frame, a T iron, a first wiring terminal, a second wiring terminal, a loudspeaker assembly and a buzzer assembly. The T-shaped iron is coaxially fixed at the outer bottom of the basin stand, and a positioning column is coaxially arranged at the upper end of the T-shaped iron and extends into the basin stand; the first wiring terminal and the second wiring terminal are both fixed on the outer wall of the basin stand; the loudspeaker assembly is fixed on the inner side of the basin stand and is connected with the upper end of the positioning column. The loudspeaker assembly is electrically connected with the first wiring terminal. The buzzer assembly is coaxially fixed at the lower end of the T iron and is electrically connected with the second wiring terminal; according to the utility model, the integration of the loudspeaker and the buzzer is realized, so that the occupied space of parts can be reduced and the cost of the parts can be reduced when the loudspeaker and the buzzer are applied to a product which needs to have the functions of voice broadcast and buzzing alarm at the same time.

The invention relates to the technical field of automobile injection molding part assembling tools, in particular to an automobile injection molding part assembling bolt cold inserting tool which comprises a lower tool body, an upper tool body, a press fitting assembly and an in-place detection mechanism. The in-place detection mechanism is integrated in the lower tool, the controller, the buzzer and the alarm lamp are arranged outside the lower tool, a real-time online detection and early warning system for press-fitting quality is constructed, and when the combined bolt is press-fitted to the preset depth, the bottom end of the combined bolt can touch the contact travel switch mounted in the sensor mounting hole. A switch signal is sent to a controller for judgment through a signal transmission module, if all bolts trigger signals, the bolts are regarded as qualified, if any bolt is not in place, the controller immediately drives a buzzer and an alarm lamp to give an audible and visual alarm, the detection link is seamlessly embedded into the press-fitting process, traditional manual visual observation or secondary measurement is replaced, and the detection efficiency is improved. And the defects of neglected loading and insufficient press-fitting are captured and intercepted in time.

This invention relates to the field of safety alarm equipment technology, specifically an explosion alarm device for cable well joints. A smoke detector and a temperature detector are fixedly installed on the top surface of an upper mounting box, with their probes located inside the upper mounting box. Two explosion-proof enclosures are fixedly embedded inside the upper and lower mounting boxes, respectively, and wiring grooves are provided on the side walls of the explosion-proof enclosures. A lifting frame is fixedly mounted above a movable frame via a connecting rod, and warning light strips and buzzers are fixedly embedded on the side walls of the lifting frame. This device enables more accurate detection of explosions at cable joints and effectively prevents damage to equipment and personnel inside and outside the cable well, ensuring the safety of the cable well. The warning light strips and buzzers on the lifting frame provide outdoor alarms, facilitating alerts to maintenance personnel and pedestrians, and enabling maintenance personnel to locate the explosion point more quickly and efficiently.

The utility model discloses an MIM type watchcase button stroke detection tool, comprising a horizontally arranged tool seat, a convex product tool arranged at the upper end of the tool seat, a convex profiling mold core arranged at the upper end of the product tool, a correspondingly matched button stroke hole arranged at the side end of the profiling mold core, and a button stroke hole arranged at the side end of the profiling mold core. A stroke contact switch is arranged in the key stroke hole and connected with a control main board, and the upper end of the control main board is connected with a buzzer and an indicator lamp. According to the utility model, a product is placed on the profiling mold core, and then the product button is pressed, so that the stroke contact switch is pushed, when the buzzer gives an alarm and the indicating lamp is on, the stroke of the product button is OK, otherwise, the stroke is NG, and the detection efficiency is high and the detection effect is good; therefore, the device has the advantages of novel design, simple structure, good detection effect and high efficiency.

This utility model discloses an emergency diversion and intelligent early warning system for sewage and drainage risers, including a vertically arranged main sewage pipe and a blockage overflow pipe. A main pipe branch tee is installed on the main sewage pipe. The upper end of the blockage overflow pipe is connected to the main pipe branch tee. A water flow detector is installed inside the connecting pipe between the blockage overflow pipe and the main pipe branch tee to monitor the water flow in the blockage overflow pipe. A horizontally arranged main discharge horizontal pipe is connected to the lower end of the main sewage pipe, and a horizontally arranged overflow horizontal pipe is connected to the lower end of the blockage overflow pipe. This utility model effectively solves the problem of sewage backflow caused by blockage at the bottom of building sewage risers, realizes automatic emergency diversion when the pipe is blocked, and achieves real-time early warning of blockage through the linkage of the water flow detector and the buzzer alarm, allowing for timely intervention and saving maintenance costs.

This utility model relates to the field of coal-fired power generation technology and discloses a steam recovery device for coal-fired power generation, including a recovery tank; a heating tank extending through the top surface of the recovery tank into the interior of the recovery tank; and an inlet pipe and an outlet pipe respectively fixed through the top surface of the heating tank. A valve is installed inside the inlet pipe. A recovery assembly is installed on the side of the heating tank. An alerting assembly is installed inside the heating tank, comprising a float and a first connecting rod located inside the heating tank. Through the alerting assembly, the float drives the first connecting rod to rise and fall, causing the positive and negative electrode plates to contact or disengage. When no water is added to the heating tank, the float drives the first connecting rod downwards, causing the positive and negative electrode plates to contact each other. A buzzer sounds an alarm to remind workers that the heating tank is low on water, preventing steam from being directly released due to lack of water in the heating tank, thus improving the alerting effect of the steam recovery device for coal-fired power generation.

The utility model provides a chemical pipeline safety hood, which belongs to the field of chemical pipeline safety hoods and comprises an upper protective hood, a lower protective hood and a pipeline, the upper protective hood and the lower protective hood are sleeved on the outer side wall of the pipeline, and an alarm component is arranged at the top of the upper protective hood and comprises a shell fixedly connected to the top of the upper protective hood. A cover plate is fixedly connected to the top of the shell, a circuit box and a battery are arranged on the inner side of the shell, a buzzer is fixedly connected to the inner side wall of the shell, the battery and the buzzer are located on the two sides of the circuit box, a protruding block is arranged on the inner side wall of the upper protective cover, two conducting rods are fixedly connected into the protruding block, and a trigger diaphragm is fixedly connected to the bottom of the protruding block. According to the safety cover for the chemical pipeline, the safety cover for the chemical pipeline is arranged, so that chemical liquid cannot leak into the external environment, and environmental pollution is prevented.

The present invention relates to a smart snap hook device (100) comprising a 'D'- shaped hook body (101) having a primary side and a secondary side; an activation gate (107) disposed on the primary side of the 'D'-shaped hook body (101) having a spring action, and a conductive metal post (104) fitted to the both ends of the gate (107). The primary side of the hook body (101) is integrated with a PCB (110), comprising an alarming unit, that comprises a sensor unit, a buzzer (114), and at least a LED (113). The sensor unit is connected to the cellular device through a software module. The hook (100) sends an alarm signal to the cellular device of the supervisor upon disconnecting state of the hook, thereby ensuring safety of the workers while performing work at height.

This utility model discloses a switching device, including a voltage comparison module electrically connected to an induction amplifier module, a water pump, and a power supply component. The power supply component supplies power to the power supply component, voltage comparison module, induction amplifier module, and water pump. The induction amplifier module senses the alternating electric field of the outdoor unit of the air conditioner and generates induced current and voltage. The voltage comparison module receives the signal from the induction amplifier module and controls the start and stop of the water pump. The beneficial effects of this utility model are that the induction amplifier module can determine whether the outdoor unit of the air conditioner is powered on and transmits the induced electrical signal to the voltage comparison module. The voltage comparison module compares the received signal voltage with a reference voltage to determine whether to supply power to the water pump. Furthermore, an alarm component can determine whether the water pump has malfunctioned and provide a buzzer warning. This device can automatically add or stop water supply based on the start and stop status of the outdoor unit of the air conditioner, thereby saving energy and water resources.

A buzzer driving system includes a filter circuit and a driving circuit. The filter circuit is configured to filter an audio playback signal and output an analog playback signal. The driving circuit is electrically connected to the filter circuit and configured to output a driving voltage to the buzzer based on the analog playback signal. The driving system generates the driving voltage in an analog form to enhance the output audio quality of the buzzer.

The utility model discloses a kind of polishing liquid supply devices, specifically related to polishing liquid supply technical field, including liquid supply component, the top of the liquid supply component is provided with polishing assembly, the liquid supply component includes polishing liquid storage box, the liquid storage box is opened in and is equipped with liquid storage cavity, the bottom end of the side surface of the polishing liquid storage box is fixedly installed with flow pipe, one end of the flow pipe is fixedly installed with number box, the top surface and bottom surface between the number box are fixedly installed with vertical shaft, this polishing liquid supply device is by setting float plate, magnetic plate, pressure head, switch and buzzer and other structures, the storage of polishing liquid can be monitored in real time, when the storage of polishing liquid is insufficient, buzzer issues warning in time, prompting staff to add polishing liquid, avoid because polishing liquid is insufficient to affect polishing operation, ensure the polishing quality and production efficiency.

The utility model discloses a finished product collecting device for a nut cold header, and particularly relates to the technical field of cold headers, the finished product collecting device comprises a cold header main body and a collecting mechanism, the collecting mechanism is positioned at a blanking port of the cold header main body, and a linkage mechanism and a sound production mechanism are arranged above the collecting mechanism. Through cooperation of the collecting mechanism, the linkage mechanism and the sound production mechanism, when nuts are stacked on the bearing plate and approach the bottom face of the linkage plate, the bearing plate moves up and down to drive the linkage plate to act synchronously, the piston is promoted to reciprocate, the pneumatic cylinder body continuously injects air into the air inlet end, and airflow is sprayed out of the air spraying hole through the concentration pipe; the impact metal disc generates vibration and sound to prompt that the main collecting box is full, a touch device and a buzzer are not needed, cost is reduced, meanwhile, in the linkage process, the guiding abutting block pushes the nuts below to the side guiding hopper, the nuts are collected into the auxiliary collecting box through the side guiding hopper, continuous production of the cold header is guaranteed, continuous reminding of the pneumatic sound production assembly is guaranteed, and production efficiency is improved.

The invention relates to the technical field of automobile auxiliary driving, and discloses a lane keeping and deviation warning device and a using method thereof.A middle line positioning point, a left line positioning point and a right line positioning point are arranged on an automobile engine hood close to a driving position, and a middle line indicator light, a left line indicator light and a right line indicator light are installed on the positioning points; when the automobile runs on the road center line, the connecting line of the driving position and the center line indicating lamp corresponds to the road center line, the connecting line of the driving position and the left line indicating lamp corresponds to the road left line, and the connecting line of the driving position and the right line indicating lamp corresponds to the road right line. On one hand, the position of the automobile can be visually judged by utilizing each positioning point, the head is prevented from being lowered to check the central control screen, the driving safety is improved, and on the other hand, the position of the automobile in the lane can be monitored in real time in the driving process through linkage of the positioning points, the indicator light, the sensor and the buzzer alarm. When the automobile is too close to the left line or the right line of the road, an early warning signal can be sent out in time.

This application provides a descaling device for drinking water tanks, belonging to the field of drinking water processing technology. The device includes a first tank, a second tank, an electric heating rod, a temperature controller, a support base, a cleaning mechanism, a stirring mechanism, a cleaning fluid injection mechanism, and a weighing mechanism. The support base is fixed to the upper surface of the first tank, the electric heating rod is installed inside the second tank, and the temperature controller is installed on the outer wall of the second tank. This descaling device utilizes a single motor to achieve synchronous rotation of the first and second connecting shafts, i.e., simultaneous cleaning and stirring. The scraper can clean the upper and lower surfaces of the inner cavity of the first tank, ensuring a more thorough cleaning. Furthermore, a weight sensor and a buzzer can promptly replenish the cleaning fluid in the second tank, ensuring that there is no shortage of cleaning fluid and providing a better user experience.

The invention discloses a passive buzzer multi-tone warning method based on PWM driving. The passive buzzer multi-tone warning method comprises the following steps that S1, a refrigerator main control module continuously monitors the system state; s2, event monitoring and tone matching; s201, the refrigerator main control module reads the state of a door switch sensor through GPIO, reads the value of a temperature sensor through ADC and monitors the states of other functional modules, and when preset conditions are met, it is judged that a trigger event occurs; s202, establishing a mapping relation from an event ID to a tone mode library index, and when an event is triggered, retrieving a corresponding tone mode according to the event ID; s3, dynamically generating a PWM driving signal and playing the PWM driving signal; and S4, performing priority management and interrupt processing. Based on the low-cost MCU and the PWM module, the single passive buzzer can be driven to emit various composite tones, so that graded warning of the refrigerator is realized.

The utility model relates to an anti-theft lock catch of a bottle body. The anti-theft lock catch comprises a shell with an opening in the top; the buzzer is fixed at the inner bottom of the shell; the trigger disc is arranged above the buzzer, and a contact is arranged at the bottom of the trigger disc in a protruding mode and matched with the trigger end of the buzzer; the lifting disc is arranged in the shell in a lifting mode, and the periphery of the lifting disc extends upwards to be provided with a plurality of fasteners; the locking mechanism is arranged in the shell, and when the lifting disc moves to a lower limit position, the locking mechanism limits the lifting disc to move upwards; a groove is formed in the bottom of the bottle body, the anti-theft lock catch can still be matched with the buzzer through contact of the lifting disc and the trigger disc face in the anti-theft lock catch, and the anti-theft lock catch is matched with the bottle body.

An acoustic signalling device comprising an oscillator arranged to transform a feed pneumatic flow in an intermittent pneumatic flow. The oscillator comprises an inlet port, arranged to be connected to a pneumatic line to supply the oscillator with the feed pneumatic flow, and an outlet port, arranged to expel the intermittent pneumatic flow. The acoustic signalling device also comprises an acoustic signaller connected to the oscillator by the outlet port, the acoustic signaller arranged to compress the intermittent pneumatic flow for producing an intermittent acoustic signal. The oscillator also comprises an outlet flow regulator arranged to adjust the flowrate of the intermittent pneumatic flow exiting from the outlet port.

The utility model discloses a safety shoe with an induced voltage alarm function, which comprises a safety shoe rear upper and a safety shoe front upper, the safety shoe rear upper and the safety shoe front upper are both adhered to a sole main body, a heightening sole is arranged at the tail of the sole main body, a metal bin is pre-embedded in the heightening sole, a circuit board is fixedly clamped in the metal bin, and the circuit board is connected with the safety shoe rear upper and the safety shoe front upper. A circuit board is arranged in the metal bin, a control chip is arranged on the surface of the circuit board, and a buzzer is fixedly arranged on the bottom side in the metal bin. A circuit board, a chip and a buzzer which are used for testing induced voltage and have an alarm prompt function are specifically embedded in the sole of the safety shoe, and the safety shoe has the characteristics of small size, light weight, high universality, wide application range and the like, so that the induced voltage alarm function can be realized, the induction function of induced voltage can be met, and the safety shoe can also be used as a safety shoe. And the comfort of a wearer is not influenced.

The invention discloses a monitoring mobile robot for safety production of hazardous chemicals, the monitoring mobile robot comprises a track, a plurality of walking mechanisms, a mounting plate, a control box, a gas detection mechanism, a fire extinguishing mechanism and a buzzer, the track is cooperatively provided with a plurality of walking mechanisms, and the lower end of each walking mechanism is fixedly provided with the mounting plate; a control box, a gas detection mechanism and a fire extinguishing mechanism are fixed to the mounting plate, and a buzzer is fixed to the outer side face of the fire extinguishing mechanism. And a controller, a wireless transceiver module and a power supply module are respectively fixed in the control box. Through the cooperation of the track and the walking mechanism, the limitation of ground inspection is solved, the moving precision is high, secondly, through the arrangement of the gas detection mechanism, the influence of an external light source on the spectrum detection precision can be avoided, gas components at different heights can be detected, and in addition, through the arrangement of the fire extinguishing mechanism, the detection precision is improved. Fire extinguishing can be rapidly assisted, and the time difference of manual fire extinguishing is filled.