3552 results about "Personal security" patented technology

The invention relates to the technical field of batteries, and discloses a battery thermal runaway early warning and cooling system which comprises a multi-parameter monitoring module, a data processing and early warning model and a cooling system control module. Wherein the multi-parameter monitoring module is used for acquiring the internal resistance value of each battery monomer in real time in a battery charging process, calculating the internal resistance range, the internal resistance standard deviation and the variable coefficient according to the internal resistance value at a sampling time point, monitoring the working environment gas of the battery through a mass spectrometer, and acquiring the real-time mass spectrum monitoring data of the gas in real time; release characteristics, including hydrogen, hydrocarbon compounds and the like, of escaped gas are quantitatively analyzed on the basis of an equivalent characteristic spectrum method. According to the battery thermal runaway early warning and cooling system, various key parameters in the battery charging process are comprehensively monitored, early warning of the battery thermal runaway risk is achieved, timely intervention is conducted in combination with the cooling system, the thermal runaway risk is reduced, and vehicle and personal safety is guaranteed.

The invention belongs to the technical field of vehicle-mounted human-computer interaction, and particularly relates to a vehicle-mounted music recommendation system based on context awareness, which covers the technologies of computer vision, recommendation systems, human-computer interaction and the like. The whole system is divided into two main parts: the first part is a context information collection module, and the module realizes real-time recognition of the emotion of a driver by collecting facial images and voice information of the driver; and the second part is a feedback module used for processing interaction between the driver and different emotion analysis results, including mapping rule reasoning and music recommendation. The system generates a personalized music recommendation list by analyzing the facial expression of the driver and the emotional characteristics extracted from the voice information, so as to reduce the music selection burden of the driver and prevent the occurrence of extreme emotions, thereby having important significance for guaranteeing the personal safety of the driver and the road traffic safety.

The invention discloses a control system, method and device, the system comprises a first control unit and a second control unit, the first control unit is used for controlling a first vehicle door to be unlocked, the second control unit is used for controlling a second vehicle door to be unlocked, and the first control unit and the second control unit establish communication connection; the first control unit is used for acquiring a collision signal; and the first control unit is further used for controlling the first vehicle door to be unlocked according to the collision signal and sending a first unlocking instruction to the second control unit, and the first unlocking instruction is used for indicating to unlock the second vehicle door. By means of the system, the situation that all the vehicle doors on the vehicle are controlled by one control unit to be unlocked is avoided, even if the second control unit cannot obtain the collision signal due to faults or communication link damage, the second control unit can successfully unlock the second vehicle door based on the second unlocking instruction, and therefore the safety of the vehicle is improved. It can be ensured that at least one vehicle door is successfully unlocked when the vehicle collides, and therefore the personal safety of people in the vehicle is guaranteed.

The utility model discloses an intellectualized safety control take-up straining device, including handle subassembly, base subassembly and long braid, handle subassembly includes handle and ratchet wheel, base subassembly includes base, handle and base are pivoted and rotatingly connected through take-up shaft, ratchet wheel is fixed on take-up shaft, and the winding drum is fixed between the ratchet wheel, and the long braid is fixed on the base. The ratchet wheel, the winding drum and the tape winding shaft rotate synchronously, the winding drum is sleeved outside the tape winding shaft and is coaxially arranged, an opening for the long braid to pass through is arranged on one side of the winding drum, one end of the long braid is sleeved on the tape winding shaft and is led out from one end of the base through the opening on the winding drum, one end of the tape winding shaft is connected with the coil spring assembly, and the coil spring assembly comprises a coil spring, a coil spring box and a coil spring box cover. The coil spring box is covered with the coil spring box, a brake assembly is further arranged in the coil spring box, and one end of the tape winding shaft can be provided with a C-shaped opening, an eccentric shaft or a concentric screw hole according to the structure of the brake assembly. According to the utility model, the long braid can be prevented from swinging to hurt an operator, and the personal safety of the operator is guaranteed.

The utility model relates to the field of mechanical manufacturing, and discloses a strip steel stamping device for hose clamp production, which comprises a stamping platform, hose clamp stamping equipment is fixedly arranged at the top of the stamping platform, a micro motor is fixedly mounted on one side of the hose clamp stamping equipment, and two groups of side plates are fixedly arranged on one side, corresponding to the hose clamp stamping equipment, of the top of the stamping platform. A plurality of sets of supporting rollers distributed at equal intervals are rotationally installed between the two sets of side plates, a driving motor is fixedly installed at the top of the stamping platform, and hose clamp pieces are arranged on the stamping platform. Therefore, the two sets of grinding discs rotate and grind the two sides of the hose clamp piece when rotating along with the two sets of rotating shafts, burrs on the two sides of the hose clamp piece are eliminated, the personal safety of operators is protected, potential safety hazards are reduced, and the product quality of the hose clamp piece is improved.

The invention provides an energy-saving electric energy metering box, and relates to the field of electric energy metering box equipment. The energy-saving electric energy metering box comprises a frame explosion-proof mechanism, the frame explosion-proof mechanism comprises a box body, the front end face of the box body is rotatably connected with a box door through a hinge, the top end of the box body is fixedly connected with a plurality of supporting columns, and the top ends of the supporting columns are fixedly connected with a cross rod. The two ends of the two transverse rods are sleeved with butt joint clamping grooves. According to the energy-saving electric energy metering box, continuous heat dissipation and cooling can be carried out on equipment, a drying agent does not need to be replaced, the energy-saving electric energy metering box is more energy-saving and environment-friendly, the personal safety of workers can be better guaranteed when the equipment explodes, burns and the like, and the working efficiency is improved. The problem that the operation efficiency of the electric energy metering box and the safety of workers are affected due to the fact that the metering box is burnt or short-circuited due to the fact that the internal temperature is too high is solved.

The invention relates to the technical field of overhead cable equipment inspection, in particular to an overhead high-voltage cable live inspection device based on infrared thermal imaging, which comprises a control terminal and a clamping frame, a mechanical arm is fixed on the control terminal, the clamping frame is composed of two semicircular frames, one end of the semicircular frame on one side is provided with a hinge, and the other end of the semicircular frame on the other side is provided with a power supply. The hinge is connected with one end of the other semi-circular frame, the two semi-circular frames are connected through the hinge, when a worker inspects an inspection target, the worker only needs to clamp a telegraph pole through the two semi-circular frames, then rotates the screw to fix the semi-circular frames, the device is started, then the target can be inspected, operation is simple, and operation is convenient. Personnel do not need to climb to work, so that the personal safety of the working personnel is guaranteed; the control terminal automatically identifies and records the number of the target, and when the target needs to be maintained, the target can be accurately and quickly positioned, so that a worker can visually know the detected target in the inspection process, and the situation of missing inspection is avoided.

The invention discloses a safety assessment alarm system and method for physical education sports, and relates to the technical field of safety alarm, the system comprises a physiological state monitoring module, a sports image acquisition module, a central processing unit and a signal alarm module, the abnormal risk of physical training of the athlete is evaluated from the angle of movement posture and track deviation, and the abnormal condition of physiological parameters of the athlete is combined, so that the training intensity of physical exercise is quantitatively monitored, the personal safety risk degree of the athlete is specifically evaluated, and a safety alarm signal is generated to give an instant alarm. Alarm judgment accuracy is guaranteed through comprehensive data analysis, the probability of misjudgment and false alarm of the system is reduced, physical education professionals are prompted to carry out timely medical safety inspection and management on athletes through safety alarm signals, and balance between improvement of athletic performance and reduction of safety risks is achieved.

The invention provides a building foundation drilling device, and belongs to the technical field of building construction. Comprising a crawler, an overturning table is arranged at the top of the crawler, a sliding rail frame is arranged at the top of the overturning table, and a driving motor is arranged on the sliding rail frame; the device further comprises a drilling assembly, the drilling assembly is installed at the output end of the driving motor, the drilling assembly is used for drilling a foundation, the drilling assembly comprises a rotating disc, the rotating disc is installed at the output end of the driving motor, and multiple sets of telescopic rods are distributed at the bottom end of the rotating disc at equal angles. The bottom end of the rotating disc is connected with a clamping device. By arranging the collecting assembly, drilling chips can be efficiently collected, the personal safety of operators cannot be damaged, meanwhile, it is avoided that a large number of gravel chips are accumulated at the position of a pile hole opening, so that a foundation pile hole collapses, it is avoided that in the punching process, due to the fact that chips are not discharged in time, a drill bit is blocked, and the working efficiency is improved.

This invention proposes a method for detecting unexploded ordnance using multi-source data fusion based on deep learning. This method primarily addresses the problems of low accuracy and excessive false alarms and missed alarms in existing unexploded ordnance detection technologies. The method comprises: a data processing module processes received magnetic detection data and image data and transmits them to a deep learning model, which then identifies unexploded ordnance; a data storage module records the input and output of the deep learning model; and a display module displays the acquired magnetic field, image, and location of the unexploded ordnance. This invention utilizes both the magnetic detection module and a camera to acquire information, and obtains unexploded ordnance detection results based on multi-source data fusion and deep learning. This effectively avoids the shortcomings of existing detection methods using a single magnetic detection module, resulting in more comprehensive and diverse information, reducing false alarms and missed alarms, further ensuring personal safety, and reducing resource consumption.

The utility model relates to concrete compression resistance testing equipment which comprises a body mechanism and a centering mechanism, the body mechanism comprises a base, a support is arranged at the upper end of the base, a hydraulic press is arranged on the support, a pressing plate is arranged at the lower end of the hydraulic press, and the centering mechanism is installed on the support and comprises a pressure bearing table. In the process that the two centering blocks push the concrete test block, the test block is provided with a free end and can rotate, so that the concrete test block can be prevented from being located between the centering blocks, concrete chippings can be prevented from splashing out of the device by arranging the protection window, the personal safety of workers is protected, and the magnetic protection window can be attracted to the support and is convenient to open and close; and the holes are formed in the pressure-bearing table, so that crushed concrete test blocks after the test can be conveniently recycled, and the difficulty of cleaning the device by workers is reduced.

The invention discloses a whole-process personal safety monitoring intelligent identification and analysis system special for a sewage treatment plant, and the system comprises an intelligent safety management platform, a mobile terminal, a switch, an edge server, and a plurality of detectors which are used for collecting the personnel and regional environment information of the sewage treatment plant. According to feedback information of the plurality of detectors, the intelligent safety management platform supervises equipment, personnel and environment safety conditions of the whole plant in a centralized manner, can intelligently identify abnormal conditions and give an alarm, and is linked with a mobile terminal. The device is reasonable in overall structure, high in practicability and wide in application, is suitable for municipal projects such as sewage treatment plants, pump stations and regulation and storage pond projects, can also be popularized to projects such as comprehensive pipe galleries and sludge treatment plants, and has wide application prospects; personnel operation is standardized, the accident rate and loss are reduced, and the safety of a sewage treatment plant is guaranteed; and the requirements of current technology development on intelligent factories and intelligent operation and maintenance of drainage engineering are met.

The invention discloses a container type energy storage cabin fire control system and method in the technical field of energy storage. The method comprises the steps that an external input signal is received; when responding to the received alarm signal in the battery compartment, controlling an audible and visual alarm outside the battery compartment to give an alarm, and outputting an early warning dry contact signal to the BMS system; starting a ventilation system in the battery compartment in response to the received low alarm signal of the combustible gas in the battery compartment; and in response to the received fire extinguishing signal, closing a ventilation system in the battery compartment, opening an electromagnetic valve of a fire extinguishing device to spray perfluorohexanone in the space in the battery compartment, and outputting a spray dry contact signal to the BMS system at the same time. The controller is used for receiving various alarm signals in the energy storage cabin and controlling the sound-light alarm, the ventilation system and the fire extinguishing device to carry out fire prevention and emergency treatment, so that the operation safety of the energy storage cabin is improved, the hidden danger of fire disasters when no personnel management exists is effectively avoided, and the personal safety and property safety of managers are protected.

The utility model provides an aqueduct guardrail repairing construction platform which comprises a center frame, the two sides of the center frame are overhung outwards and connected with overhanging arms respectively, the ends, away from the center frame, of the overhanging arms are connected with operation platforms, and the two operation platforms are oppositely arranged on the two sides of the center frame. A plurality of moving wheels used for supporting the center frame to move are arranged at the bottom of the center frame. The center frame is installed on the aqueduct, the moving wheels are supported on the sidewalk on the aqueduct, the construction platform is located on the outer side of the guardrail, the guardrail is of a cement concrete structure, an electric drill needs to be adopted for dismantling when workers conduct construction on the guardrail, and concrete rock ballast can be scattered in all directions inevitably in the dismantling process. In the construction process, the outer side platform can prevent concrete rock ballast from falling off the aqueduct when the guardrail is disassembled, the personal safety of farmers working below the aqueduct is threatened, or a field below the aqueduct is polluted, and meanwhile workers are also prevented from falling off the aqueduct accidentally in the construction process.

The present invention relates to a lead plate installation construction method for a radiation protection project in a radiological medical room, which mainly includes the following steps: S1. After the main structure of the radiological medical room is completed and passed the acceptance, the radiation protection project and the secondary decoration project are started; S2. The technical scheme of the radiation protection project is determined; S3. The radiation protection project is carried out on the ground; S4. The radiation protection project is carried out on the wall; S5. The radiation protection project is carried out on the ceiling; S6. The fine decoration construction is carried out according to the fine decoration construction drawing. This construction method solves the key link of the radiation protection project - the problem of lead plate installation, and can ensure that the lead plate fits the medical room without dead angles, provides all-round protection for the radiological medical room, and effectively prevents the leakage of harmful rays that endangers personal safety; at the same time, it takes into account the fine decoration construction requirements of the radiological medical room, and ensures a close connection between the radiation protection project and the fine decoration project.

The invention discloses a vehicle-mounted device, display equipment, audio equipment and a terminal, and relates to the technical field of vehicle-mounted equipment. The vehicle-mounted device comprises a shell and a panel. Wherein at least part of the shell is encircled to form a cavity. The panel is used for sealing the cavity, and a connecting hole is formed in the panel. The panel is fixedly installed on the shell through the energy absorption assembly, the energy absorption assembly comprises a bonding layer and a first connecting structure, the bonding layer is arranged between the panel and the shell and used for bonding the panel and the shell, and the first connecting structure is used for being assembled with the connecting hole to achieve fixed connection of the panel and the shell. According to the vehicle-mounted device, tight connection between the panel and the shell can be kept through the energy absorption assembly, the risk of dangerous phenomena such as deformation, falling and breakage of parts in the vehicle-mounted device can be reduced when the panel is impacted, the anti-collision performance of the vehicle-mounted device is remarkably improved, and the guarantee for the personal safety of a user is improved.

The invention relates to the technical field of new energy, in particular to a new energy battery pack with a protection structure, which comprises a battery frame, a storage battery, a supporting plate, a limiting assembly, a driving assembly, a monitoring assembly and an eruption ejection mechanism. A plurality of battery packs are arranged in the battery frame, and each battery pack comprises a plurality of battery boxes. The storage battery is inserted into the battery box, and the supporting plate is rotationally connected with the battery box. The limiting assembly is connected with the supporting plate, so that the supporting plate is supported and limited through the matching of the limiting assembly and the battery box. The monitoring assembly is connected with the battery box and electrically connected with the controller. And the eruption ejection mechanism is connected with the battery box, triggers the driving assembly in a working state, and ejects and pushes the storage battery in an abnormal state out of the battery frame after limiting of the supporting plate is relieved. The state of the battery can be monitored in real time, the storage battery is ejected to be separated from the vehicle body when the storage battery breaks down and is about to spontaneously ignite, the vehicle body and personal safety is guaranteed, and normal running of the vehicle cannot be affected after a single battery is ejected.

The invention discloses a grinding device for a steel pipe, comprising: a support table for supporting; the limiting part is horizontally connected to the supporting table in a sliding mode and used for limiting the steel pipe in the horizontal direction; the grinding part is horizontally and slidably connected to the supporting table and used for grinding the inner wall of the steel pipe; the lead screw driving part is arranged on the supporting table and used for controlling the limiting part and the grinding part to synchronously move in the direction close to each other or away from each other. Mechanical automatic grinding machining of the inner wall of the steel pipe can be achieved, the burden of workers is reduced, the production efficiency is improved, meanwhile, the risk that the workers inhale too much dust can be reduced, and the personal safety of the workers is guaranteed.

The utility model discloses a liquid leakage detection structure and a motor controller, the liquid leakage detection structure comprises a housing, a sealing member, a heat conduction plate and a detection assembly, a water channel for cooling liquid to flow is formed in the housing, and the outer wall surface of the housing is provided with an opening communicated with the water channel and an annular groove surrounding the opening; partial structure of the sealing piece is limited in the annular groove; the heat conducting plate is connected with the shell, covers the opening and shields the sealing piece so as to abut against the sealing piece to seal the opening; the detection assembly comprises a detection piece and a circuit board, a detection pin of the detection piece extends into the annular groove and extends to the side, away from the opening, of the sealing piece, and the circuit board is electrically connected with the detection piece. The utility model aims to reduce the omission ratio of cooling liquid leakage detection and avoid the consequences seriously endangering personal safety, such as short circuit, sparking and the like, caused by liquid leakage.

The invention belongs to the technical field of power electronics, and provides an energy storage valve sub-module, an energy storage valve and an energy storage station, the energy storage valve sub-module can disconnect electrical connection between a power module and an energy storage module through a switch module to form electrical isolation, so that the electrical connection between the power module and the energy storage module is released, and the energy storage station is protected. When parts except the energy storage module in the energy storage valve are overhauled, leakage current does not exist, and the personal safety of maintainers can be guaranteed. Similarly, under the condition that the energy storage module side of the energy storage valve has a non-serious fault, on the premise that the energy storage valve is locked, the energy storage module is separated from the system through the switch module, safe operation of the whole machine is not affected, and the availability rate of the system can be effectively increased.

The utility model discloses a suspension type cable X-ray detection robot, and relates to the cable X-ray detection technology field, the suspension type cable X-ray detection robot comprises an upper support frame, the upper support frame is fixedly provided with an imaging plate, the lower wall surface of the upper support frame is fixedly provided with a pair of bearing cylinders, the lower end of each bearing cylinder is in an open structure, and the lower end of each bearing cylinder is provided with an opening. The upper supporting frame is hoisted through an external unmanned aerial vehicle, so that the L-shaped supporting rods are hung on a cable, the L-shaped supporting rods are limited on the cable by starting the limiting assemblies, the imaging plate and the X-ray machine are prevented from falling, the first motor drives the shaft rod to rotate, the shaft rod drives the rolling wheels to rotate, and the supporting rods are arranged on the supporting frame. The X-ray machine is driven to ascend through the lifting assembly, then the imaging plate and the X-ray machine are indirectly driven to move, the imaging plate and the X-ray machine are arranged at the position to be detected, the X-ray machine is driven to ascend through the lifting assembly, then X-ray photographing is conducted on a cable, manual climbing is omitted, meanwhile, manual X-ray machine holding work is omitted, and the personal safety of workers is guaranteed.

The invention relates to the field of cleaning equipment, in particular to a cleaning machine which comprises a movable frame, a fixed frame and a spray gun, the fixed frame comprises a fixed rod and a supporting rod, the fixed rod is fixedly connected to the upper end of the movable frame, the supporting rod is fixedly connected to the outer wall of the fixed rod, and a mounting groove with an upward opening is formed between the supporting rod and the fixed rod. The spray gun is provided with a holding opening, and the holding opening is used for allowing the supporting rod to penetrate through. The supporting rod penetrates through the holding opening, the spray gun is hung on the supporting rod, the spray gun can be conveniently and temporarily placed, the probability that the spray gun is damaged due to the fact that the spray gun is placed anywhere is reduced, the supporting rod is high in position, the probability that irrelevant personnel touch the spray gun by mistake is reduced, and the personal safety of people is protected.

The invention relates to the technical field of oil and gas equipment, in particular to an oil pipe remote directional lifting system and method for under-pressure operation. In the process of lifting the oil pipe, the oil pipe is positioned and supported for at least two times. The system is composed of a control unit, a traction unit and a guide unit. The control unit sends signals to the traction unit and the guide unit in a remote control mode. The traction unit is responsible for clamping and stably lifting the oil pipe, and the guide unit is used for accurately positioning and centralizing the oil pipe in the lifting process, so that unnecessary swinging of the oil pipe caused by external factors can be prevented, more importantly, the oil pipe can be prevented from colliding with a wellhead operation platform, equipment is protected from being damaged, and the service life of the oil pipe is prolonged. And the oil pipe lifting operation is carried out in a remote operation mode, so that the personal safety of constructors is guaranteed, the opportunity that the constructors make direct contact with the dangerous environment is reduced, and meanwhile the operation precision and the working efficiency are improved.

The invention provides a large-scale engineering project personnel security code management method and system and related equipment. The method comprises the following steps: providing a security code applet background configuration security code quantification evaluation model; and receiving a construction participation unit registration application to allocate an enterprise account for the construction participation unit and uploaded project personnel information, generating a personal security code for each project personnel, and distributing the personal security code to each project personnel. According to the invention, quantitative digital intelligent evaluation is carried out on personal safety credit and performance of large-scale construction project operating personnel by using a quantitative model and algorithm technology of an applet and a safety credit code, and access area control, field behavior supervision and safety reward and punishment are implemented according to a comprehensive evaluation result; data analysis and risk prediction are carried out by using an artificial intelligence algorithm, large-scale engineering project personnel credit safety records are established through the method, personal safety management credit evaluation systems at home and abroad are explored, personnel at all levels are promoted to perform safety responsibility, and a foundation is laid for improving on-site safety behaviors of the large-scale engineering project personnel.

A method for an access point (AP) to advertise that it supports Wi-Fi Easy Connect provisioning by broadcasting to devices, a frame that specifies the provisioning in question. The method includes, by the AP, receiving from a device, a frame indicating the device wishes to connect to the AP, and sending, by the AP, to the device a frame indicating the AP allows the device to connect to the AP. Subsequently, the AP and device follow the Wi-Fi Easy Connect protocol. Also provided is a method for an AP to advertise it supports a Wi-Fi Protect Setup (WPS) provisioning protocol and the Wi-Fi Easy Connect provisioning protocol to connect a device to the AP. The method includes, by the AP, broadcasting an AP frame structured to specify that the AP supports a Wi-Fi Protect Setup (WPS) provisioning protocol and a Wi-Fi Easy Connect provisioning protocol to connect a device to the AP; receiving, from a device that received the first AP frame, one of: a device frame structured to indicate that the device selects the WPS provisioning protocol to connect to the AP; and a device frame structured to indicate that the device selects the Wi-Fi Easy Connect provisioning protocol to connect to the AP. Further provided is an access point configured to perform the methods mentioned herein.

The invention discloses a gastric retention capsule robot and a gastric retention capsule device, and relates to the technical field of medical instruments, the gastric retention capsule robot comprises a capsule shell, a robot body, an unfolding arm, a driving mechanism and a restoring mechanism; the robot body is arranged in the capsule shell, and a carrying module used for carrying the functional module is arranged on the robot body; the unfolding arm is movably arranged on the robot body; the driving mechanism is arranged on the robot body, and after the capsule shell is dissolved, the driving mechanism can drive the unfolding arm to unfold towards the outside of the robot body so as to limit discharging of the robot body; the restoring mechanism is arranged on the robot body and can fold the unfolding arm to be attached to the robot body so that the robot body can be discharged. The device can be detained in the stomach and can be discharged from the gastral cavity through active folding, the timeliness is good, the risks of gastrointestinal tract blockage, mechanical injury and the like existing in a passive discharging mode are avoided, and the personal safety of a patient is guaranteed.

According to the modularized ultrasonic-guided lumbar puncture teaching model provided by the invention, on the basis of the detachable modularized ultrasonic-guided lumbar puncture teaching model, the pathological bony structure module for simulating the corresponding pathological conditions of the lumbar structure is introduced, so that the lumbar puncture process in different pathological states is simulated; therefore, trained medical staff can be helped to better understand the anatomical basis and operation key points of lumbar puncture, the understanding of different pathological changes is deepened, and an experimental platform is provided for studying the improvement of lumbar puncture operation, the occurrence mechanism of puncture-related complications and the like. Furthermore, better lumbar puncture operation in actual clinical work is promoted through a better teaching and training effect, and the medical service experience and personal safety of a patient are guaranteed.

The invention discloses an emitter with metal powder wrapped by carbon fibers, and belongs to the technical field of door breaking devices. The emitter comprises an emitter head, the emitter head comprises a carbon fiber enveloping body with a closed cavity and metal powder arranged in the closed cavity of the carbon fiber enveloping body, and the closed cavity of the carbon fiber enveloping body is filled with the metal powder; and the metal powder body is a metal powder and paraffin gel body. On one hand, the carbon fiber enveloping body is adopted to seal and wrap the metal powder body, so that the situation that the metal powder body is disintegrated or broken in the cartridge case and leaks into the air guide hole or remains in the gun barrel is avoided; and on the other hand, the metal powder body is a metal powder and paraffin congelation body, the metal powder body is rapidly broken after impacting the door lock, rebounding is not prone to occurring, and the threat to the personal safety of a shooter cannot be caused.

The invention discloses a mechanical lock interlocking system for a grounding switch of a gas insulated switchgear and a using method, and belongs to the technical field of insulation switchs.The mechanical lock interlocking system for the grounding switch comprises a circuit breaker operating mechanism and a three-station operating mechanism which are installed in a mechanism compartment. The grounding interlocking device is arranged between the low-voltage compartment and the high-voltage compartment in a penetrating manner below the mechanism compartment; wherein the three-station operating mechanism, the circuit breaker operating mechanism and the grounding interlocking device are sequentially distributed from top to bottom, and every two of the three-station operating mechanism, the circuit breaker operating mechanism and the grounding interlocking device are mechanically linked; the circuit breaker operating mechanism and the three-station operating mechanism are respectively connected with the circuit breaker and the three-station isolating switch in the inflatable compartment; a rear lower door plate is installed behind the high-voltage compartment cabinet, and the grounding interlocking device is connected with the rear lower door plate. Operation and maintenance personnel must operate in sequence when wanting to open the rear lower door plate of the high-voltage compartment; by adopting the mechanical interlocking, programmed step operation of an operator can be ensured, the reliability is higher, and the personal safety of the operation and maintenance personnel can be further ensured.

The utility model relates to a dust cleaning robot for an electric precipitator. Comprising a sweeping device A, a support, a sweeping device B and a walking mechanism, the front end of the walking mechanism is fixedly connected with the support, the support is fixedly connected with a sweeping device shell of the sweeping device A, a supporting rod of the walking mechanism is provided with holes at intervals, and a fixing pin of the sweeping device B penetrates through the holes of the supporting rod of the walking mechanism to be inserted into a fixing block. And the cleaning device B is fixed on the walking mechanism. The dust removal robot for the electric dust remover can move in the electric dust remover, check the integrity of an anode plate and a cathode wire and the firmness of a welding spot, check and clean internal faults of the electric dust remover, replace manpower with a machine, reduce personal safety risks, improve the overhaul quality and efficiency of the electric dust remover, guarantee good operation of the electric dust remover, and reduce smoke emission. Emission performance is improved, and operation stability of the thermal power generating unit is improved.