125results about How to "Strong warning" patented technology

The invention discloses a multi-auxiliary-function intelligent fog lamp and an alarm method. The multi-auxiliary-function intelligent fog lamp comprises a circuit control module, a mixed light source module, a shaping optical module, a temperature control module, a relative vehicle speed measuring module and a mixed light source module angle adjustor. The mixed light source module comprises LED fog lamps and a laser fog lamp, wherein the LED fog lamps and the laser fog lamp are mutually coordinated and matched to emit light. The circuit control module is connected with the mixed light source module, and the shaping optical module is arranged at front of the laser fog lamp of the mixed light source module. The mixed light source module is connected with the temperature control module. The circuit control module is further connected with the relative vehicle speed measuring module, the output end of the relative vehicle speed measuring module is connected with the mixed light source module angle adjustor, and the output end of the mixed light source module angle adjustor is connected with the mixed light source module. A red light semiconductor laser device and LEDs are applied to an automobile fog lamp and mutually coordinated and matched to emit the light, so that the situation that safe driving on a road is guaranteed under the conditions of rainy days and foggy days at different lelvels, and the guarantee capability of road transportation is improved.

The invention relates to a polypeptide immunoassay kit, which comprises a protein G or protein A agarose serving as a solid phase carrier, a purified serum polypeptide antibody and PBS buffer solution. The invention also relates to a polypeptide immunomic spectrometry analysis method, which comprises the following steps: coupling a purified serum antibody with a proper solid carrier; allowing the coupled product to bond with a polypeptide marker antigen specifically, and separating the antigen from the carrier by using eluent; and finally, detecting polypeptide antigen in the eluent by high-pass matrix-assisted laser desorption / ionization time of flight mass spectrometry (MALDI-TOFMS). Thus, the complete immunomic spectrometry analysis method is established.

The present invention relates to a pedestrian crossing signal lamp system with a red light running evidence obtaining function and a method. The system of the invention comprises pedestrian crossing lamps, a main cabinet and a central management platform. The method for realizing the red light running evidence obtaining function includes the following steps that: an embedded camera installed in a pedestrian crossing signal lamp column is triggered to work through red light signals, so that the embedded camera detects whether a pedestrian who runs a red light exists in a pedestrian crossing region, and shoots three walking pictures of the pedestrian who runs the red light, tracks the pedestrian to a certain position when the pedestrian is clear, and shoots a face close-up, and as a result, four pictures for red light running evidence obtaining can be obtained; and the face close-up is played in real time in a rolling manner on the highlighted liquid crystal display of the lamp column, so that passers-by can be informed; and the face picture is transmitted to the center management platform, and comparative recognition is performed on the face picture and information in a database through using a deep learning-based face recognition algorithm, and the number of the times of red light running of the pedestrian can be obtained by doing statistics. According to the system and the method of the invention, an unattended traffic management mode is adopted, a safety warning function and a case recording function can be achieved, and the work intensity of law enforcement personnel can be decreased more obviously.

The invention discloses a real-time obstacle avoidance algorithm independent from sensors. Point cloud data from a binocular camera, a laser radar and a supersonic distance sensor serves as a computing data source, and reference planar information of a chassis of a driveless car is fit to obtain obstacle avoidance information. A concept named a virtual force is provided, the virtual force serves as a computing framework, and the safe driving direction of the driveless car is calculated. According to the severe degree of change of the driving direction, the linear movement speed of the driveless car is set dynamically and adaptively.

The invention discloses a seabed natural gas hydrate production methane leakage in-situ electrical monitoring method. The monitoring method includes the following steps of: laying monitoring cables; carrying out scanning and measurement on the electric potential of a seabed section; calculating the apparent resistivity of the seabed section: an acquisition station calculates the apparent resistivity distribution of the seabed section at each layer is calculated according to the measured electric potential data of each layer of the seabed section; and performing inversion and monitoring: the obtained apparent resistivity data are inversed into resistivity data, the resistivity of each layer of the seabed section is drawn, so that a resistivity profile map is outputted, and methane flow-state leakage or gaseous leakage in seabed sedimentary layers is monitored. The monitoring device comprises monitoring cables, an acquisition station, a power source module and a master control platform upper computer. According to the seabed natural gas hydrate production methane leakage in-situ electrical monitoring method of the present invention, the monitoring cables are just required to be laid for once, and therefore, manpower and material costs can be saved, and operating cost is low; a monitoring range is large; and the sedimentary layers are monitored, and therefore, monitoring advancement and early warning performance are high.

The invention provides an on-line thermal imaging temperature monitoring method for a power transformation device. A plurality of video signal collecting devices are used for collecting video signals of a plurality of field end monitoring points. A monitoring server transmits a visible light video signal to a client side monitor, visible light video windows of the monitoring points are displayed on the client side monitor, the monitoring server identifies the temperature of the field of the power transformation device according to the infrared thermal imaging hue of infrared video signals, and when the temperature exceeds the set range, the monitoring sensor transmits the infrared video signals to the client side monitor. The infrared video signals jump out to be distributed on a screen of the whole client side monitor in the form of the infrared thermal imaging windows with the visible light video window at the corresponding monitoring point, a specific device, a temperature value window and an electronic map window. Thus, the on-line thermal imaging temperature monitoring method is higher in caution and indication performance, the situations of points to be monitored, the temperature and the position of the points and the like can be clearer, the temperature can be monitored online conveniently and pertinently, and the practicality is high.

The invention discloses a multi-functional low-speed sound simulating reminder device for a pure electric vehicle aiming at the problem that the pure electric vehicle is low in motor sound in a low-speed start-up stage and cannot supply corresponding warnings to surrounding pedestrians and vehicles. The multi-functional low-speed sound simulating reminder device comprises a power supply module, a program module, a voice module, a power amplifier module, a speaker module and a CAN receiver, the program module is connected with the power supply module, the CAN receiver and the voice module, the voice module is connected with the power amplifier module and the speaker module, the sound simulating reminder device is also connected with a meter slave module and a meter master module, the program module reads a vehicle speed signal through the CAN receiver, the program module is connected with a reverse signal line, a left turning signal line and a right signal line through hard lines, and after receiving the corresponding signals, the corresponding content is warned by voice. According to the multi-functional low-speed sound simulating reminder device for the pure electric vehicle, when the vehicle is driven at a high speed after the high voltage, or when the vehicle speed is lower than 20 Km / h, or when the vehicle is reversed or turns left or turns right, different voice warnings appear to remind the surrounding pedestrians and the vehicles of collision.

The present invention provides a method and an apparatus for dynamically controlling the luminance of a tail light of a vehicle tail lamp in response to a change in the difference of speed between a vehicle and a vehicle therebehind, and for preventing a collision between the traveling vehicles. In addition, the apparatus comprises: a tail light operating unit, which slowly or rapidly becomes brighter up to a predetermined brightness as the speed difference between the vehicle and the vehicle behind gradually becomes larger, and slowly or rapidly becomes darker down to a predetermined brightness as the speed difference between the vehicle and the vehicle behind gradually becomes smaller; a speed sensing unit for measuring the speed of the vehicle; a rear speed sensing unit for measuring the speed of the vehicle therebehind; and a control unit for automatically adjusting the luminance of the tail light by controlling the tail light operating unit when the vehicle therebehind is traveling faster than the vehicle.

The invention discloses an intelligent energy-saving LED traffic signal lamp processing system. A solar cell panel of the system is utilized to convert solar illumination capacity into electric energy, the electric energy is stored in a device internal cell, when night falls or light is dark and illumination intensity is insufficient, an indicating board controls the light emitting diode of the indicating board to emit light and to flicker, and the flickering light of the light emitting diode is bright and striking and has the functions of strong mark indicating and warning. The system can be used for indicating the branches of a road and the road conditions of a front road, such as a construction section, a dangerous section and a mountain section. Due to the fact that the system has the advantages of self light emitting and flickering, the visual range and the striking degree of the LED road indicating board are five times of the visual range and the striking degree of a tradition reflective indicating board. The system is matched with a hardware circuit inside a traffic signal control lamp, the automatic brightness control of the traffic signal lamp can be achieved, an existing hardware circuit is combined, and the system has the advantages of being flexible in configuration, wide in application field range and simple and reliable in using.

The invention relates to a product quality management system. The product quality management system comprises an input terminal, a server device, a quality information management terminal and a display terminal, wherein the input terminal, the quality information management terminal and the display terminal are respectively connected with the server device. The product quality management system can effectively ensure the integrity, timeliness, reliability, accuracy, safety and confidentiality of data, information and knowledge.

The invention is applicable to the technical field of alarm devices, and provides a gas pipeline pressure relief alarm device. The gas pipeline pressure relief alarm device comprises a pressure reliefshell arranged on a conveying pipe in a communicating manner, wherein an embedded cavity is formed in the pressure relief shell, and an exhaust port is formed in the side wall of the pressure reliefshell; a sealing plug nested in the embedded cavity in a liftable manner and matched with the embedded cavity to form a sealing structure; a nut arranged in the embedded cavity in a sliding manner androtationally connected with the sealing plug through a spring; a lead screw which is rotationally connected to the pressure relief shell and penetrates through the nut in a matched mode, wherein thenut is rotated and adjusted through the lead screw to extrude the spring to adjust the extrusion force, and therefore the pressure relief pressure is controlled; a warning whistle arranged in the exhaust port and used for generating an alarm by utilizing airflow; an indicating lamp used for emitting a warning light source; a power generation assembly which converts rotational kinetic energy into electric energy and is electrically connected with the indicating lamp; and rotating blades connected with the power generation assembly. The gas pipeline pressure relief alarm device has the advantages of a simple structure, energy conservation, low production cost, strong warning capability and avoidance of electric energy dependence.

The invention discloses a multi-dimensional intelligence investigation communication command system. The system is mainly an investigation vehicle, and is combined with a satellite, an individual soldier and a command center to form an emergency command system integrating intelligence, investigation, communication and command. The multi-dimensional intelligence investigation communication commandsystem comprises a network communication system, an individual soldier investigation image transmission system, a video and audio system, a digital trunking system, a laser monitoring system, a mobilecommunication monitoring system, a radar photoelectric detection system, an active rejection system, an unmanned aerial vehicle system and an intelligent control command system. The system of the invention can effectively support onsite emergency, collect and understand onsite information in time and make an emergency treatment scheme in time, and is an important guarantee for quickly handling various emergencies, safety accidents and other emergencies.

The invention discloses a liquid ammonia storage safety alarm device. The liquid ammonia storage safety alarm device comprises a temperature sensor fixed on a liquid ammonia tank, a concentration sensor arranged outside the liquid ammonia tank, a pressure sensor communicated with a liquid ammonia tank pipeline, and spray equipment connected with the temperature sensor, the concentration sensor and the pressure sensor by circuit control lines respectively and used for cooling after a sensing condition is met. Compared with the prior art, the liquid ammonia storage safety alarm device can achieve the functions of alarming and automatic spraying cooling and diluting under the cooperation action of the temperature sensor, the concentration sensor and the pressure sensor, and also can improve the liquid ammonia storage safety.

The invention relates to a dynamic colored pedestrian zebra crossing which can be paved, which is characterized in that the zebra crossing is integrally made as carpet-type zebra crossing applicable to being paved on the ground. The zebra crossing is provided with a base material layer of which one surface is combined with electroluminescent materials forming banding markers of the zebra crossing. Furthermore, the electroluminescent materials are connected with a controller which is used for controlling the zebra crossing to change colors. The zebra crossing can realize the dynamic color switching and can be paved in a carpet manner, thereby improving the sensory stimulation of people and having the functions of better reminding and caution and being easier to alert people so as to ensure the safety of pedestrians and vehicles. Furthermore, the zebra crossing has good integral decoration so as to have functions of beautifying and prettifying cities.

The invention relates to the technical field of brake lamps, particularly relates to an intelligent tailgating preventive dynamic color change brake lamp for automobiles, and is suitable for modifyingexisting brake lamps for automobiles and mounting new produced brake lamps for automobiles. The intelligent tailgating preventive dynamic color change brake lamp has the advantages that the magnitudeof force during brake and the emergency degree of brake can be accurately and timely displayed by the intelligent tailgating preventive dynamic color change brake lamp; the difference of an LED lampbank of the intelligent tailgating preventive dynamic color change brake lamp can be controlled by intelligent single chip microcomputer control technologies, accordingly, diversified warning functions can be displayed and demonstrated, and the volume of a control panel can be reduced; two colors can be simultaneously displayed on the intelligent tailgating preventive dynamic color change brake lamp and can be synchronously, timely and accurately displayed on the intelligent tailgating preventive dynamic color change brake lamp, accordingly, intention of the front automobiles can be timely andaccurately judged by following drivers, and states of the automobiles can be timely adjusted; the intelligent tailgating preventive dynamic color change brake lamp is in dynamic comparison flicker warning forms, and accordingly obvious visual effects can be realized; the intelligent tailgating preventive dynamic color change brake lamp is provided with a Hall linear distance sensor, is small andis high in sensitivity; the reliability of products in vibration states can be improved; the intelligent tailgating preventive dynamic color change brake lamp is simple in structure and convenient todisassemble; detachable structures are arranged between various components of the intelligent tailgating preventive dynamic color change brake lamp.

The invention relates to a student raincoat. The student raincoat comprises a rainhat and a raincoat hem. The rainhat is fixedly connected to the upper end of the raincoat hem. Earmuffs are embedded in the upper end inside the rainhat. A hat brim is arranged at the front end of the rainhat. A detachable transparent blinder is arranged below the hat brim. A schoolbag bag capable of storing a schoolbag is arranged at the back end of the raincoat hem. The schoolbag bag and the raincoat hem are integrally formed, and fluorescent stripes are arranged on the raincoat hem. Compared with the prior art, the earmuffs can well cover the ears, sound can be effectively isolated, a student can be prevented from feeling terrified by thundering in rainy days, and the fluorescent stripes can play a warning function under the situation that the sight is not clear in rainy days.

The invention discloses a large-scale rotating machine bearing temperature alarming and monitoring device which comprises an alternating current power source, a fuse, an alarm light, a transformer, a rectifier, a first voltage stabilizer, a second voltage stabilizer, a voice frequency integrated chip, a temperature sensor, a first diode, a second diode, a light emitting diode, a first triode, a second triode, a third triode, an operational amplifier, a loudspeaker, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor and a seventh resistor. The large-scale rotating machine bearing temperature alarming and monitoring device is simple in circuit structure, few in adopted elements, small in size, low in manufacturing cost and easy to manufacture, has voice monitoring and alarming and flicker alarming functions at the same time, is high in caution effect, and easily draws attention of a worker.

The invention provides a municipal warning sign with strong warning, which includes a warning sign body, a warning sign is fixedly installed in the middle of the outer surface of the warning sign body, a red LED lamp bead is fixedly installed on the outer surface of the warning sign body, and the rear of the warning sign body The side is welded with a casing, and the inside of the casing is fixedly installed with a battery. The bottom of the warning sign body is welded with a first support column, the bottom of the first support column is welded with a second support column, and the bottom of the second support column is fixed with a support platform. , Both sides of the bottom of the support platform are provided with grooves, the inside of the groove is provided with a support rod, and the bottom end of the support rod is hinged with rollers. The municipal warning sign with strong warning is electrically connected with the red LED lamp bead by setting the battery, so that the red LED lamp bead can emit light, so that the warning sign body can emit light in the case of low visibility, so that the warning sign body The warning function is stronger, which improves the travel safety of pedestrians and drivers and reduces the probability of accidents.

The invention relates to the technical field of flood disaster judgment and early warning, in particular to a flood disaster judgment and early warning method which comprises the following steps: S1, enabling a monitoring acquisition device to acquire information; S2, calculating and reasoning; s3, collecting water levels of all entrances and exits to judge disaster situations; and S4, performing plan matching. The scheme has strong and comprehensive flood judgment and early warning capabilities, can effectively reduce the loss of the disaster to human, society, economy and environment, and disaster risk monitoring and early warning evaluation is an important basis for disaster risk management. And the flood disaster danger and the vulnerability of the disaster-bearing body are monitored, so that the flood disaster situation can be better judged and analyzed, and the harm caused by the flood disaster situation is reduced.

The invention relates to a high-voltage early-warning insulation glove. The high-voltage early-warning insulation glove is characterized in that a high-voltage sensing alarm is fitted to the back of the high-voltage early-warning insulation glove and comprises an alarm shell and a high-voltage sensing alarm circuit therein; the high-voltage sensing alarm circuit comprises a power source module, a microprocessor module, a high-voltage sensor and a signal conditioning circuit, the power module is connected with the microprocessor module and the signal conditioning circuit to supply power for them, the high-voltage sensor, the signal conditioning circuit and the microprocessor module are sequentially connected, and the microprocessor module is connected with a buzzer on the surface of the alarm shell through an output port. The high-voltage early-warning insulation glove is capable of sensing voltage of lines nearby, when the voltage is higher than set voltage, the buzzer is controlled in time to send sound alarm, in this way, operators are always kept within a safety range, accidents of the power grid are reduced, and the high-voltage early-warning insulation glove is widely applicable to hot-line places of the power system and the high-voltage test field.

The invention discloses a construction site safety training method and system based on virtual reality. The invention is used for carrying out safety knowledge training on construction workers workingin a construction site. The construction site safety training method is based on the virtual reality technology, and the construction site safety training system comprises a monitor module, a scene management module, a task management module, a rule management module, a user information management module, a graphic rendering module and a user interaction module. According to the invention, immersive experience is brought by virtual reality. The construction workers participating in safety training can deeply experience dangerous consequences caused by neglecting the safety of the constructionsite. The invention has strong warning effect, good in experience effect, visual in training content and easy for workers to master and understand by adopting a simulated virtual construction site scene, and is very effective for improving the safety training efficiency of the construction site and reducing the occurrence rate of building construction safety accidents.

The invention discloses a fatigue driving monitoring, reminding and early warning method and system based on a computer vision technology, and the system comprises a fatigue value real-time monitoring system, a fatigue value automatic reminding system and a fatigue value information early warning system.The fatigue value real-time monitoring system is used for identifying the fatigue characteristic posture of the driver and obtaining a fatigue value grade according to the occurrence frequency of the fatigue feature posture and the driving time; the automatic fatigue value reminding system is used for receiving the fatigue value grade, obtaining real-time position information of the vehicle and reminding a driver of the corresponding grade according to the fatigue value grade; the fatigue value information early warning system is used for receiving the fatigue value grade information and the vehicle real-time position information to obtain a fatigue safety index, obtaining a fatigue road condition cloud picture according to the fatigue safety index, and sharing the fatigue road condition cloud picture to all traffic management departments and all drivers on the expressway for early warning. The condition of fatigue driving on the highway is reduced, and the hazard of traffic safety accidents caused by fatigue driving is reduced.

The invention discloses an intelligent directional strong sound system based on image recognition. The system comprises a surveillance camera, an image intelligent analysis module, a directional strong sound device and a directional strong sound intelligent control module; the surveillance camera is in signal connection with the image intelligent analysis module; the signal output end of the imageintelligent analysis module is connected to a first control input end of the directional strong sound device, and the image intelligent analysis module is in signal connection with the directional strong sound intelligent control module; the signal output end of the directional strong sound intelligent control module is connected to the second control input of the directional strong sound device.The system has the advantages that the directional strong sound has strong directivity, noise in the surrounding environment is avoided, compared with the ordinary sound, the effective distance of the directional strong sound is far, so that the intelligent directional strong sound system has a long warning distance and can warn an intrusion target in a distant position, and compared with the normal sound, the directional strong sound is more effective for the warning and eviction of the intrusion target.

The invention relates to a fire extinguishment warning device, in particular to a fire extinguishment warning device for a power transformer and aims at solving the technical problems to provide the fire extinguishment warning device for the power transformer with timely fire extinguishment, large warning strength and safety in operation. The fire extinguishment warning device for the power transformer comprises a first sliding rail, a first sliding block, a first motor, a gear, a first oscillating rod, a connecting block, a knocking block, a second oscillating rod, a third oscillating rod, a fixing rod, a first gong, a second gong, a bracket, a second sliding rail, second sliding blocks, a rack, a pressure plate, a pressure handle, a horn, a safety pin, a carbon dioxide extinguisher, a placing plate and a rotary motor; the bracket and the rotary motor are arranged on the top of the transformer; the placing plate is arranged on the top of the rotary motor; and the carbon dioxide extinguisher is arranged on the placing plate and is provided with the pressure handle, the safety pin and the placing plate. The fire extinguishment warning device for the power transformer has the effects of timely fire extinguishment, large warning strength and safety in operation.

The invention relates to a multifunctional shoulder lamp for policemen. The multifunctional shoulder lamp solves the problems that in the prior art, the structure is complex, use is inconvenient, and the application scope is narrow. The multifunctional shoulder lamp is characterized in that a button switch is installed at the top, a magnetic attraction round sheet is installed on the lower surface of the compression end of a shoulder clamp, a top shooting LED lamp is welded to the front face of a circuit board, and flat shooting LED lamps are welded to the periphery of the back face of the circuit board; and an olecranon hook is arranged at the clamping end of an upper clamp, the upper clamp and a lower clamp are provided with arc-shaped opening edges, and the circuit board is further provided with a gyroscope module, a GPS module and a wireless radio frequency receiving and transmitting module. The multifunctional shoulder lamp has the beneficial effects that the radiation scope of LED lamp light is wide, the alarming effect is higher, and the wearing comfort of the human body and the stability of the shoulder lamp are improved. The multifunctional shoulder lamp can be worn on the human body, can be singly attracted to magnetic attraction objects such as a car, a guardrail and an alarming cone, and the alarming effect is achieved; and multiple shoulder lamps can be used in a combined manner, can be combined to be in an arrow shape or a letter shape and the like, and can achieve the alarming effect, and the application scope of the shoulder lamp is accordingly enlarged.

The invention relates to the technical field of vehicle safety, in particular to an EPB and danger warning lamp combined control method and system in vehicle running. According to the system, in the vehicle driving process, when the time for pulling an EPB switch exceeds t1, after an ESP controller and an EPB controller are arbitrated, an ESP module is called firstly to build the pressure of a hydraulic pipeline, and vehicle speed reduction is conducted; and if the hydraulic pipeline fails, the ESP controller and the EPB controller request the EPB calipers to brake the motor after arbitration, and meanwhile, a request is sent to turn on a brake lamp, an EPB switch indicator lamp and a danger warning lamp to provide warning information for a driver and surrounding vehicles. After the switch is pulled to brake and stop, the danger warning lamp is kept, and the EPB switch indicator lamp continues to flicker until the driver manually turns off the EPB switch. The control process is carried out automatically, operation links of a driver in emergency are reduced, and driving safety is improved.

The invention relates to the technical field of traffic safety of expressways and especially relates to an expressway danger-avoiding lane guidance system. The system comprises a four-stage mark guidance system and a four-layer linear guidance system. The four-stage mark guidance system comprises a first danger-avoiding lane forecast sign, a second danger-avoiding lane forecast sign, a curve warning sign, a danger-avoiding lane warning sign, a portal type danger-avoiding lane guide sign and a danger-avoiding lane confirmation sign. The four-layer linear guidance system comprises a warning typelinear guidance mark, a circular base type delineator, a protruding road sign, a rectangular delineator, a flexible warning column and an anti-collision barrel. The four-stage mark guidance system provides perfect way-finding information, a purpose of inducing an out-of-control vehicle to a braking slope bed of a danger-avoiding lane is achieved, and a probability that a truck driver misses the danger-avoiding lane is remarkably reduced. The four-layer linear guidance system realizes contour guidance and horizontal, longitudinal and transverse linear guidance of a danger-avoiding lane sectionand adjacent main line obstacles, and reduces the probability of colliding with a front vehicle and the obstacles.

The invention discloses a warning board. The warning board comprises a warning board body and a base, wherein one side of the warning board body is movably connected with one side of the base, the other opposite sides of the warning board body amd the bases are detachably and fixedly connected by a telescopic supporting rod, and the base is also provided with a vacuum sucker. The warning board has the advantages of simplicity in structure, firmness in standing and strong warning effect. Compared with the traditional warning board, besides the basic function of the warning board, the warning board can be effectively fixed on the ground through the base with the vacuum sucker, a warning symbol is formed through LED (light emitting diode) strip lamps, and the warning effect is strong.

The invention discloses a continuously flickering tidewater approaching warning lamp, and belongs to the field of safety equipment. A continuously flickering tidewater approaching warning lamp comprises a dam body, a conductive assembly, a steering device, a stress swing arm and a bulb assembly, the dam body is fixedly arranged on a river bank, a tide observation point and a detection point are arranged on the river bank, the bulb assembly can continuously release warning signals of different intensities according to the distance between the bulb assembly and the tide observation point, the warning lamp can be turned on when being impacted by tidewater, the signal state of the warning lamp is changed along with the distance between the tidewater and the tide observation point, a tide observer can more easily perceive the distance between the tidewater and the tide observation point and timely break away from a dangerous area, closing of a circuit of the warning lamp is achieved through mechanical components, the warning lamp is rapid, small in number of electrical elements, low in cost and small in contact between components and the tidewater, components are basically not impacted, and the service life is long.

A blade electric vehicle electric heater temperature protection system comprises a low-voltage storage battery, a battery main switch, a dual-gear heater switch, an instrument slave station module, a high-voltage electric heater, a high-voltage relay and a high-voltage battery, wherein the high-voltage electric heater comprises a cooling fan, a high-voltage PTC heating pipe and three temperature detect switches; the instrument slave station module comprises a single-chip microcomputer, a power source module, a power amplification module and a buzzer; the single-chip microcomputer is connected with the power source module, the power amplification module, the dual-gear heater switch and the three temperature detect switches; the power amplification module is further connected with the high-voltage relay, an electric heater low-speed-gear power source, an electric heater high-speed-gear power source, the power source module and the buzzer; the power source module is further connected with the battery main switch and a ground wire socket; and the power source module provides a power source for the single-chip microcomputer and the power amplification module. The blade electric vehicle electric heater temperature protection system can ensure the effect that an electric heater can work within a reasonable temperature interval, and fire disasters are avoided.