40results about How to "Realize the warning effect" patented technology

The invention provides a green storage and transportation and cold-chain logistics monitoring system based on the BeiDou system. The green storage and transportation and cold-chain logistics monitoring system based on the BeiDou system comprises an environment parameter monitoring device, a remote monitoring management system and a remote inquiring platform, and is characterized in that the environment parameter monitoring device comprises a BeiDou locating module, a temperature sensor, a humidity sensor, a pressure sensor and a weight sensor, the BeiDou locating module, the temperature sensor, the humidity sensor, the pressure sensor and the weight sensor are connected with a microcontroller, and an output end of the microcontroller is connected with an alarm circuit, a compressor control circuit, a pressure supply control circuit, a transmission control protocol (TCP)/internet protocol (IP) network module and a general packet radio service (GPRS) module. A control method for the environment parameter monitoring device comprises the steps of (a) collecting environment information, (b) uploading the information, (c) judging weight, (d) judging whether temperature reaches an alarm value, and (e) judging whether the temperature reaches an automatic cooling value. According to the green storage and transportation and cold-chain logistics monitoring system and the method based on the BeiDou system, the fact that agricultural products, aquatic products, foods and drinks are located in an optimum freshness retaining state in the process of freshness retaining, transportation and storage is ensured, original corruption and spoilage are prevented, and safety of stored and transported objects is ensured.

The invention provides an oil pipeline warning method based on personnel and vehicle behavior analysis. The oil pipeline warning method comprises the steps that S1, a sample set used for training a model is collected; processing and training the sample set, and outputting a training model; S2, obtaining a to-be-detected image, and preprocessing the to-be-detected image; and S3, processing the to-be-detected image by using the training model, detecting the positions of personnel and vehicles in the image to obtain a detection structure, setting a confidence threshold value to be 0.5, and outputting target information of which the confidence score is greater than 0.5 in a detection result. According to the method, different target behaviors are divided in detail; aiming at the behaviors, warning prompts of different degrees can be sent to the target in the monitoring area; and a basis is provided for workers to formulate countermeasures, suspicious persons and vehicles can be effectivelyprevented from stealing petroleum, the vehicles can be effectively prevented from running and staying above oil pipelines of heavy vehicles for a long time, and accidental damage to the oil pipelinesin the construction process that construction vehicles mistakenly enter a warning area is avoided.

The invention discloses a bicycle lock provided with alarm lights. The bicycle lock comprises two lock legs, hinge blocks, two lock arms and a lock head, wherein each hinge block is hinged to one end of the corresponding lock leg, each lock arm is hinged to the other end of the corresponding lock leg, the lock head is hinged to the free end of one of the lock arms, the free end of the other lock arm is provided with a lock hole which can be locked with the lock head in a buckled mode, planes between the lock legs and the lock arms are in back-to-back arrangement so that the lock legs and the lock arms can be folded and drawn close in a paired mode and can be inserted into a containing sleeve with the front side and the rear side hollowed out, and the alarm lights which are arranged on the front sides, in the opposite directions, of the lock legs and the lock arms respectively in the length direction. The invention further discloses a bicycle lock provided with an alarm light. The bicycle lock comprises two lock legs and a lock arm, wherein the two ends of the lock arm are connected with the lock legs, and one end is connected through a lock head. The lock legs and the lock arm are unfolded to form a loop-back structure, so that a bicycle is locked; the lock legs are stretched to form the triangular alarm light in combination with the lock arm, when the bicycle is ridden at night, the lock can be inserted into a containing sleeve, and the alarm light is turned on and can be unfolded and hung at the side or the back of a bicycle body, so that the alarm effect is achieved.

The invention provides a control method and device for a warning tripod. The method comprises the steps that an accident car judges whether the car have a condition to place the warning tripod or not,and if not, a help signal is sent to a rear car, wherein the help signal comprises a placement area range of the warning tripod; and the rear car runs to the placement area range of the warning tripod according to the placement area range of the warning tripod so as to place the warning tripod, and therefore the purpose that the tripod is placed by the aid of the rear car is realized.

The invention relates to a device for generating electricity and light automatically and its fixed structure. The device is particularly suitable for vehicles that possess spokes or steel wires. The invented device is mainly composed of an induction coil group, a luminescence unit, an optical conductor and a magnetic iron. One end of the induction coil group is connected to the luminescence unit,and put into a containing part on the end of the optical conductor so as to be combined as an integrated body. The optical conductor is fixed on spokes or between steel wires. The magnetic iron is put on a jogged magnetic iron seat fixed on the frame of the vehicle. When wheels driven the optical conductor rotating, current is produced by mutual induction between the induction coil group on the optical conductor and the magnetic iron on the jogged magnetic iron seat.

The invention relates to a computer power supply fault detection system, relates to the field of computer power supply fault detection, and can detect computer power supply faults and take a power-off measure in time. The computer power supply fault detection system comprises a voltage acquisition circuit, an A/D converting circuit, a control circuit and a circuit breaker. The voltage acquisition signal output end of the voltage acquisition circuit is connected with the voltage acquisition signal input end of the A/D converting circuit; the voltage acquisition signal output end of the A/D converting circuit is connected with the voltage acquisition signal input end of the control circuit; and the control signal output end of the control circuit is connected with the control signal input end of the circuit breaker. By detecting voltage parameters under the computer power supply operating state, whether a computer is in a normal operating state is judged; and once the computer is in an abnormal operating state, the circuit breaker is controlled to carry out power-off operation immediately.

The invention provides a water level detection device and method for water conservancy. The water level detection device comprises a mounting bracket; a lifting screw rod is in threaded connection with two mounting frames, and the outer wall of the detection water column is sleeved with the mounting frames; the interior of the detection water column is slidably connected with a rhombic buoy; and a rotating pressing rod is rotationally connected to a stand column at the top of the detection water column, the left end of the rotating pressing rod is connected with the top end of a pressing-down ejector rod, and the bottom end of the pressing-down ejector rod is slidably connected to the interior of the left side of the alarm control switch box. The diamond-shaped detection water column can reduce the impact force of water in water and reduce the damage to the detection water column, and when the detection water column is inserted into the water, the water slowly overflows into the detection water column from the water inlet at the bottom of the detection water column, the situation that the water flow quickly enters the detection water column to cause inaccurate detection is avoided, and meanwhile, in the water level rising process, air in the detection water column is exhausted out of an exhaust hole, so that the pressure in the detection water column is kept constant.

The invention discloses a safety reminding device for power construction. The device comprises a fixing frame and a supporting mechanism, moving wheels are mounted at the bottom of the fixing frame, the supporting mechanism is mounted on the fixing frame, a supporting column is mounted on the supporting mechanism, a warning box is mounted at the top of the supporting column, a swinging mechanism and a flapping mechanism are installed in the warning box, the swinging mechanism is installed at the bottom of the warning box and penetrates through the warning box to extend to the position over the warning box, and the flapping mechanism is installed on the side wall of the warning box and penetrates through the side wall of the warning box to extend to the outer side of the warning box. A dynamic and static combined mode is achieved, the purpose of warning pedestrians is achieved, a first swing arm and a second swing arm in the swing mechanism drive a first swing plate and a second swing plate to rotate in a crossed and reciprocating mode, the purpose of dynamic warning is achieved, the pedestrians are prevented from mistakenly entering a work site, and through cooperation of a first flapping plate and a second flapping plate in the flapping mechanism, sound can be made intermittently, so that the purpose of warning the pedestrains is achieved.

The invention discloses a visual monitoring and early warning system for security risk management. The security risk management system comprises a positioning system, an electronic fence, a signal base station and electronic chip equipment, the BIM model realizes whole-process simulation, and information in the electronic fence and the signal base station is loaded; early warning can be performedon dangerous situations in the implementation process; performing BIM simulation on the safety plan, and putting a safety plan module into a BIM platform; starting an emergency plan when an accident occurs; the unmanned aerial vehicle sets an automatic cruise route according to the pre-arranged plan, and shooting is started during early warning; each terminal of the emergency plan displays and receives a system instruction at the first time, feeds back after receiving the instruction, and feeds back after on-duty; according to the invention, pre-construction safety education can be realized, early warning is enhanced in the construction process, and accidents are reduced; the visual monitoring and early warning system for safety risk management is combined with real-time monitoring to track personal process management, potential safety hazards are eliminated in time, and early warning can be conducted on accidents.

The invention discloses an indoor formaldehyde monitor based on Internet of Things and belongs to the technical field of monitoring devices. Through the monitor, the problem that the outer surface ofan existing indoor formaldehyde monitor is prone to adsorb dust, and consequently detection is prone to errors and influences the judgment of a user on indoor air quality is solved. The monitor is technically characterized by comprising a shell, a monitor controller and a formaldehyde monitor body, wherein a supporting base is arranged on the lower portion of the shell, a first hydraulic cylinderis installed on the upper surface of the supporting base, the upper end of the first hydraulic cylinder is welded to the middle position of the lower surface of the shell, a storage battery is arranged at the right side of an inner cavity of the shell, the monitor controller is arranged below the storage battery, and the formaldehyde monitor body is movably arranged in the inner cavity of the shell. Through the indoor formaldehyde monitor, the formaldehyde monitor body and a monitoring probe can be protected sufficiently, so that damage to the formaldehyde monitor body and the monitoring probeis avoided; and meanwhile, the detection position can be flexibly adjusted, the application range is expanded, and application and popularization are benefited.

The invention discloses a multifunctional mining car lamp. The multifunctional mining car lamp comprises a lamp housing component, a light source component, a driving plate and a wire holder, wherein the lamp housing component comprises a protective cover, a front cover, a transparent part and a shell, the light source component comprises multiple lighting sources, at least one warning light source and a light source circuit board, the driving plate controls on-off of the multiple lighting sources and the at least one warning light source, and the wire holder is used for being connected to an external power source to provide electric energy for the light source component. When the multifunctional mining car lamp is controlled by the driving plate to conduct illumination, the multiple lighting sources are switched on and the at least one warning light source is switched off. When safety warning is needed, the at least one warning light source is switched on and the multiple lighting sources are switched off. The illuminating function and the warning function of the mining car lamp are combined, the complication of using multiple lamps is avoided, and using is easy and convenient.

The invention relates to the technical field of automobile auxiliary driving and driving safety, in particular to a steering wheel hand-leaving detection method and system based on artificial intelligence learning. Comprising the following steps: acquiring pressure data, filtering and amplifying the pressure data, and converting the pressure data into digital signals; extracting the pressure data; carrying out pre-judgment on the data characteristics; and carrying out holding posture recognition on the data features. According to the method, the holding posture features are extracted and detected through an artificial intelligence algorithm, the holding posture of a driver can be effectively recognized, and misjudgment is effectively avoided; according to the method, through a layered detection model of pre-judgment and holding posture recognition, the accuracy of hand-leaving detection is effectively improved, and the error-tolerant rate and the working efficiency of a detection system are improved; by means of the HOD warning module, various warning effects of the warning lamp and the vibration exciter can be achieved, automatic braking can be achieved through the ADAS control module, and the safety of the vehicle in the hand leaving state is guaranteed.

The invention discloses a municipal road construction stone multi-part beating and crushing device. The device comprises four sets of supporting legs, wherein side supporting plates are arranged at the tops of the sides, close to each other, of two sets of supporting legs; a top plate is arranged at the tops of the four sets of supporting legs; transmission shafts B are symmetrically arranged in the middle positions of the ends, close to each other, of the two sets of side supporting plates; roller shafts are arranged on the outer sides of the transmission shafts B; incomplete gear rings are arranged on the outer sides of the roller shafts; and transmission shafts A are arranged on the two sides of the ends, close to each other, of the two sets of side supporting plates. With mutual cooperation of a driving motor, the transmission shafts B, the roll shafts, the incomplete gear rings, gears, connecting rods, the transmission shafts A, a hammer head and a torsional spring, the multi-angle and multi-part simultaneous beating of stones is realized, so that an existing manual crushing or electric hammer crushing mode is optimized, the physical strength of construction personnel is saved, and the crushing efficiency is improved.

The invention provides a vehicle tail lamp control method, device and system, electronic equipment and a storage medium. The method comprises the steps that a turning angle signal and a steering signal of a vehicle are obtained; when the directions represented by the turning angle signal and the steering signal are consistent, a tail lamp rotation angle is generated according to the turning angle signal; and according to the tail lamp rotation angle, the vehicle tail lamp is controlled to rotate according to the tail lamp rotation angle. According to the technical scheme, rotation control over the vehicle tail lamp is achieved, the purpose of adjusting the direction of the tail lamp according to the vehicle driving state is achieved, and the warning effect of the tail lamp on a rear vehicle is achieved.

The frequency converter comprises a supporting bottom plate and a frequency converter body, a middle shell is fixedly connected to the middle of the top of the supporting bottom plate, the left side and the right side of the middle shell are open, a movable door is installed on the front side of the middle shell, and a lower shell is arranged at the position, close to the bottom, in the middle shell in a sleeving mode; an opening is formed in the top of the lower shell, the bottom of the lower shell is fixedly connected with the top of the supporting bottom plate, a placing plate is fixedly connected to the position, close to the top, between the inner walls of the left side and the right side of the lower shell, and the frequency converter body is placed on the top of the placing plate; through mutual cooperation of the pressing plate, the pipe body, the guide pipe, the moisture-proof sponge, the storage box and other components, water vapor or water flow in the moisture-proof sponge can be recycled, the purpose of saving resources is achieved, and meanwhile, through arrangement of a circulating pipe, a thick pipe, a buoyancy ball, a trigger block and the like, auxiliary heat dissipation and warning effects on the frequency converter body can be achieved.

The invention discloses a wind-resistant device for improving the construction stability of a cantilever of a cable-stayed bridge, which comprises a rope and a damping device, the upper end of the rope is connected with a hanging basket, the lower end of the rope is connected with the damping device, and the damping device is suspended in water by virtue of the buoyancy of the damping device and the tensile force provided by the rope; when wind-induced vibration of a beam body of the cable-stayed bridge occurs, the hanging basket installed on the beam body drives the damping device to move in water through the rope, the damping device is subjected to resistance of water in water, the direction of the resistance is opposite to the moving direction of the damping device, the damping device reciprocates up and down to overcome the resistance of the water to do work, and therefore vibration energy of the beam body is dissipated. And the beam body is recovered from the motion state to the static state. The wind-resistant device of the cable-stayed bridge increases structural damping, timely dissipates energy generated by structural vibration, eliminates vibration of the cable-stayed bridge in a germination stage, and ensures stability and safety in a bridge construction process. Meanwhile, the invention further provides an efficient and rapid construction method.

A reusable sealing strip comprises a lock head, a lock strip and a lock bar. One end of the lock head is connected with the lock bar, a lock hole is formed in the middle of the lock head, and the other end of the lock head is connected with the lock bar through an arc-shaped connecting piece. A clamping hole is formed in the portion, on the rear side of the lock hole, on the lock head. The two sides of the rear surface of the clamping hole respectively extend inwards to form a clamping bulge, and the front part of the lock bar is downwards provided with a circular clamping bulge. The circularclamping bulge can be clamped in the clamping hole of the lock head, the middle of the lock bar can be clamped in a clamping groove formed between the clamping bulges, and the front end of the lock bar extends downwards to form a clamping rod. The clamping rod can extend into the lock hole to lock and fix the lock strip, and an identification sticker wraps the joint of the lock bar and the lock head. According to the sealing strip, the lock strip and the lock bar are arranged at the two ends of the lock head respectively, so that a damage-free unsealing structure of the sealing strip is formed, the breakage-free recovery of the sealing strip is realized, and the sealing strip can be repeatedly used. Meanwhile, the identification sticker wrapping the surface of the lock bar and the surfaceof the lock head is utilized to realize the warning function of the sealing strip, so that the sealing strip has the advantages of being convenient to use, capable of being repeatedly used and environmentally friendly.