34results about How to "Good warning effect" patented technology

The invention discloses an early-warning device for road traffic conflicts, which comprises a passing vehicle detector, a staying vehicle detector, a pedestrian detector, a data receiving module, a main control module, a forward alarm, a backward alarm, a driving module, a data communications interface, a voice communications and broadcast module, and a power source. An LED array is installed inside the backward alarm, and a light source and a light-gathering part are installed inside the forward alarm. Output terminals of the passing vehicle detector, the staying vehicle detector and the pedestrian detector connect to the data receiving module; the output terminal of the data receiving module connects to the main control module; the main control module connects to the data communications interface; the other end of the data communication interface connects to the voice communications and broadcast module; and the output terminal of the main control module, via the driving circuit, connects to the forward alarm and backward alarm. The invention provides the multiple early-warning information preventing conflicts to the traffic participants in the region of low visibility and traffic blind spot with the advantages of a good effect in warning and a wide application.

The invention discloses an angle-adjustable road warning device applicable to multiple road surfaces, and belongs to the technical field of municipal engineering. The angle-adjustable road warning device comprises a bracket and a warning device which is arranged on the bracket; the bracket comprises a supporting part and a moving part; the supporting part comprises a base, and supporting posts which are arranged on the two sides of the upper part of the base; four supporting feet are also arranged at the bottom of the base; every two adjacent supporting legs and the supporting posts on the same side are positioned in the same vertical plane; the moving part comprises two groups of moving wheel mechanisms; each group of moving wheel mechanism comprises a connecting plate, universal wheels which are arranged at the two ends of the connecting plate, a lifting rod which is arranged in the middle of the upper part of the connecting part, and a lifting control assembly; each connecting plate is positioned between the corresponding two supporting feet which are positioned on the same side; each lifting rod penetrates through the base and is connected with the interiors of the supporting posts on the same side; each lifting control assembly comprises an extension spring, a connecting chain and a rotating handle. The angle-adjustable road warning device can be convenient to move and adjust, meanwhile, is high in positioning stability, and is applicable to multiple road surface conditions.

The invention discloses a telescopic traffic cone capable of being used as a triangular warning board. The telescopic traffic cone capable of being used as the triangular warning board comprises a traffic cone main body; the traffic cone main body comprises a traffic cone base, a warning lamp, a traffic cone top cover, a traffic cone telescopic housing, a display, an electric telescopic rod and aplacing cavity; the placing cavity is fixedly formed in the traffic cone base; the placing cavity is used for placing the traffic cone telescopic housing; the electric telescopic rod is fixedly mounted in the position, at the center of the bottom of the placing cavity, on the traffic cone base; the electric telescopic rod is used for ejecting up the traffic cone telescopic housing; and the trafficcone telescopic housing is arranged in sections. According to the telescopic traffic cone capable of being used as the triangular warning board, by arranging the traffic cone in the telescopic form,the traffic cone is enabled to be more conveniently placed in an automobile to be carried; next, through adoption of a reflective stripe, a warning lamp, a display and a loudspeaker arranged on the traffic cone, an omnibearing warning effect on passing pedestrians can be realized so that the warning effect is better; and the use of the warning board can be saved.

The invention discloses a method for projecting a dynamic warning cursor behind a vehicle. The method comprises the steps that a holographic image projection lamp with a long-range projection functionis adopted, a macroscopic three-dimensional light beam is output on the tail portion of the vehicle, the three-dimensional warning cursor is formed in the height space at the specified distance behind the vehicle, and formation of an emergency warning mark behind the vehicle is triggered through an emergency warning mark lamp switch. In this way, the process that when parking the vehicle due to afault, a driver needs to place a triangle warning board behind the vehicle is omitted, and therefore, the potential danger coefficient is reduced. Besides, the emergency warning mark can be generatedfor the first time so as to remind other drivers of paying attention to avoid the vehicle as soon as possible, and the potential danger coefficient is further reduced.

The present invention relates to high-strength, possibly pigment-containing—for example flame-retardant—regenerated cellulosic filaments having improved textile properties, in particular as regards strength and uniformity, to their use for the production of fabrics, and to a method for the production of these filaments.

The invention discloses a household warning panel which comprises a fixed frame, wherein a storage battery is arranged at the bottom of the fixed frame, an LED lamp panel is arranged above the storage battery, a pressure sensing board is arranged on the LED lamp panel, and a flexible protection layer is arranged above the pressure sensing board. The pressure sensing board comprises a flexible body made of transparent materials, a plurality of indent concave cavities are arranged on the flexible body, pressure sensors are arranged in the concave cavities, fixed steel rings are arranged on the peripheral wall of the flexible wall, and the fixed steel rings are connected with the inner portion of the fixed frame in a welding mode. The flexible protection layer is made of soft metal, a plurality of protruding rods opposite to the pressure sensors are formed on the lower end surface of the flexible protection layer, and a rubber layer is formed on the upper end surface of the flexible protection layer. The household warning panel is convenient to use, can open a warning indicator as long as people steps on it without hand operation, is applicable to dangerous places or plates in need of warning, and has a good warning and reminding effect.

The invention discloses a vehicle cover decoration strip comprising a decoration strip body (1) connected to a vehicle cover, the decoration strip body (1) is provided with a placing board (2), and the placing board (2) is at least provided with a lighting device (3) downward irradiating a vehicle head. In a process of driving at night, by projecting light on the vehicle head through the lighting device, the light forms reflection on the vehicle head, such that 1, a good decoration effect is achieved for the vehicle, and 2, a good warning effect is achieved, a driver from the opposite side can better observe a distance from a self vehicle to the opposite vehicle, and a phenomenon of scraping is avoided.

The invention discloses a warning device for road and bridge construction. The warning device for road and bridge construction comprises a bottom plate, a movable plate, a first motor, a bidirectionalscrew rod, an inner threaded sleeve, a connecting rod, a mounting plate, a second motor, a first rotating shaft, a second rotating shaft, L-shaped rods, a warning board, a rotating sleeve, a connection bar, a movable rod top end and a warning lamp, wherein the first motor, the bidirectional screw rod, the inner threaded sleeve and the connecting rod are arranged so that the height of the whole warning device can be adjusted, and the adaptability is high; the second motor, the first rotating shaft, the second rotating shaft, the L-shaped rods, the connection bar and the movable rod are arranged, the second motor drives the first rotating shaft to rotate, the first rotating shaft drives the L-shaped rod at the top end of the first rotating shaft to rotate, and meanwhile, under the matchingof the second rotating shaft and the L-shaped rod at the top end of the second rotating shaft, the warning board is driven to continuously move, people are reminded to pay attention to the warning board, and the warning effect is good; and in the rotating process of the L-shaped rods, the movable rod is driven to move left and right through the rotating sleeve and the connection bar, and the movable rod drives the warning lamp to move left and right, so that the warning effect is further enhanced.

The invention can be applied to the technical field of monitoring and early warning, and provides a forest fire prevention intelligent early warning and monitoring system, which comprises a detection device, an early warning device, an image capturing device, and a transmission device, wherein the detection device is used for detecting whether a passerby or a vehicle appears in a predetermined area, and if yes, the early warning device is used for handling the situation; the early warning device is electrically connected with the detection device for carrying out early warning and broadcasting on the detected passerby or the vehicle; the image capturing device is used for acquiring the image of the image capturing device in the predetermined area; and the transmission device is used for transmitting the image to a forest fire prevention early warning server. Thus, the passerby or the vehicle can be accurately recognized and early warning is carried out, the image is captured, the image is stably and quickly transmitted to the forest fire prevention early warning server, manpower and material resources are saved, early warning effects are good, the working efficiency is improved, and the target locking accuracy is improved.

The invention discloses a road warning sign for municipal engineering construction. The road warning sign comprises a base, an LED display screen and a warning tape. A casing is mounted above the base, a storage battery pack is mounted in the casing, an electric telescopic rod is mounted above the casing, the LED display screen is mounted on the surface of a mounting plate, a first warning strip adheres to the surface of the mounting plate on the outer side of the LED display screen, a foglight is mounted above the mounting plate through a mounting block, a telescopic rod is mounted above a telescopic sleeve rod, and the warning tape is wound around the surface of a winding wheel. A first vertical rod is placed above the base on one side of the telescopic sleeve rod, and a second verticalrod is placed above the base on one side of the first vertical rod. The road warning sign is provided with the LED display screen, the first warning strip, the foglight, the electric telescopic rod, the first vertical rod, the second vertical rod, the warning tape, the telescopic rod and the telescopic sleeve rod, so that the problems that a warning effect is poor and a warning area are indefiniteare solved.

The invention discloses a motorcycle turn light comprising a turn light frame body which is installed at the left side and the right side of a motorcycle; a turn light is installed inside the turn light frame body; the turn light is reflected by a turn light reflective mirror. The motorcycle turn light is characterized by comprising multiple LED lamp beads, that is, the turn light is formed by more than one LED lamp beads which are arranged in one row or more rows; the turn light frame body is also provided with a turn light bulb therein which is installed at the center of the turn light frame body. According to the motorcycle turn light of the invention, the turn light adopts LED luminescent lamp beads, wherein the power of each bead is no more than 1W so that the turn light is energy saving; the LED luminescence lamp beads in rows can form light rays to the left or to the right on the basis of the sequence of the light rays, which can directly show the turning direction of the motorcycle and the alerting effect is obvious; the LED luminescence lamp beads in rows have the effect of beautifying motorcycles.

The invention relates to safety warning equipment and especially relates to safety warning equipment used for high-altitude operation. The invention aims at providing the safety warning equipment usedfor the high-altitude operation. The warning equipment has a good warning effect and is easy to attract people attentions. The safety warning equipment used for the high-altitude operation comprisesa base plate and the like. A top of the base plate is provided with an n-shaped rack. A right side of the top of the base plate is provided with a driving mechanism. A left side of the top of the baseplate is provided with a hearing prompting mechanism. An inner top of the n-shaped rack is provided with a warning mechanism. In the invention, the driving mechanism is used as a main power source and drives the hearing prompting mechanism to work. A sound is generated and simultaneously the warning mechanism is driven to work. A warning board moves towards the left and the right so that the warning effect is good. And effects that the warning effect is good and the equipment is easy to attract people attentions are reached.

The invention discloses a rapid-response traffic warning device, and relates to the field of traffic warning. A warning laser lamp is arranged above a vehicle, a light path of the warning laser lamp is obliquely arranged towards the front upper portion or the rear upper portion of the vehicle, an air bag frame fixing seat is arranged at the top of the vehicle in front of or behind the warning laser lamp, an air bag support is arranged in the air bag frame fixing seat, the air bag support is formed by connecting flexible inflation supporting pipes, and the air bag support is provided with a warning projection screen; and an air storage tank is arranged, and the air storage tank is connected with the air bag support through a valve and a pipeline. The rapid-response traffic warning device has the advantages that the structure is simple, the cost is low, rapid response and warning can be quickly realized, the probability of secondary traffic accidents is greatly reduced or even avoided, and the personal safety of drivers and passengers is improved.

The invention provides a medium-voltage overhead line damage-resistant warning device and a power distribution assembly and relates to the technical field of medium-voltage overhead lines. The medium-voltage overhead line damage-resistant warning device comprises a warning line and at least one warning lamp and is characterized in that the warning line is connected between two adjacent telegraph poles and located below an overhead conductor between the two telegraph poles; each warning lamp is arranged on the warning line, and the technical problem that a common warning sign cannot have a warning effect at night is solved.

The invention discloses an anti-sliding intelligent highway warning device. The anti-sliding intelligent highway warning device comprises a warning board, a chassis, n wheels, a camera module, a wireless communication module, a motor, a motor driving module, an ultrasound distance measuring module, a control module, a gray scale sensor, an extending bracket, a speed detecting module, 2n lifting mechanisms, 2n baffles and a handhold terminal, wherein the handhold terminal comprises a trigger unit and a display unit; and the control module comprises a processing unit and a judging unit. According to the anti-sliding intelligent highway warning device disclosed by the invention, automatically laying highway warning signs can be completed, all-weather work can be performed, and the warning effect is obvious; a travelling trace of the intelligent highway warning device can be automatically corrected, so that the situation that the intelligent highway warning device exceeds a normal lane is avoided; the situations that the warning board falls to the ground or slides can also be avoided; the road situation can be monitored and fed back in a real-time manner, so that the rear condition is mastered by an owner of a vehicle in a real-time manner, the information utilization ratio is improved, and the anti-sliding intelligent highway warning device brings convenience for the owner of the vehicle; and the anti-sliding intelligent highway warning device is convenient and fast, compact in integral structure, and low in manufacturing cost.

The present invention relates to a multifunctional warning device, comprising a power supply (11), a triangular warning lighting frame, a tweeter (5), a control panel (13), a panel circuit, a support rod (3), an infrared detector (1), a box shaped base (12). The invention improves the existing vehicle warning sign technology, and avoids the situation that the vehicle cannot notice the warning sign when the vehicle is affected by surrounding lighting, weather, occluders and the like. The tweeter (5) emits the siren sound and voice prompts continuously in rotation to achieve the sound warning function; the high-brightness white LED light can be used as a light source; the infrared detector (1) can detect moving objects within the detection range, and the tweeter (5 ) to emit a siren sound and the red LED light to flash, which can serve as reminders and warnings. The device can play a good role in warning and reminding, and simultaneously provide alarm and lighting functions.

The invention discloses a gap lighting device for an escalator or a moving pavement. The gap lighting device comprises a truss provided with an upper horizontal section and a lower horizontal section, an upper fixing cross bar which is transversely arranged on the upper horizontal section, an upper lighting lamp body which is installed on the upper fixing cross bar and can send out green light, a lower fixing cross bar which is transversely arranged on the lower horizontal section and a lower lighting lamp body which is installed on the lower fixing cross bar and can send out the green light, the upper lighting lamp body is provided with clamping parts for clamping the upper fixing cross bar, and the lower lighting lamp body is provided with clamping parts for clamping the lower fixing cross bar. According to the gap lighting device for the escalator or the moving pavement, the lighting lamp bodies are arranged on the upper horizontal section and the lower horizontal section of the escalator or the moving pavement respectively, the green light is sent out from a gap between a comb plate and a stair to remind passengers safely to move from the motionless comb plate to the moving stair or a moving step plate, an alert effect is achieved, and therefore the safety of the escalator or the moving pavement is improved.

The invention provides a traffic warning light-emitting device and a using method thereof. The traffic warning light-emitting device comprises a light-emitting piece and a light-transmission body which is internally provided with the light-emitting piece. The light-emitting piece comprises a light conduction piece, a light source and a power supply. The light source and the power supply are arranged on the side edge area of the light conduction piece. The traffic warning light-emitting device can replace a traditional tripod or traffic cone when an accident occurs to a vehicle, and a plurality of traffic warning light-emitting devices are placed behind the failed vehicle to achieve a warning effect. The traffic warning light-emitting device has the advantages of being convenient to carry, free of influence on automobile travelling, capable of being luminous independently, waterproof, remarkable in warning effect and easy and convenient to use, and can provide effective protection for the property and life health safety of people when the accident occurs to the vehicle.

The invention relates to the technical field of electronics, particularly to a distraction reminding method, a distraction reminding device and a distraction reminding system. The distraction reminding method includes monitoring the system process of the computer running; sending an instruction to the distraction reminding device which is connected through a USB (Universal Serial Bus) interface when detecting that a computer starts a preset distraction software; and sending reminding information through the distraction reminding device when the distraction reminding device receives the instruction. The distraction reminding method judges whether a user starts the distraction software by monitoring the running process of the computer, sends the instruction to the distraction reminding device which is connected through a USB interface, and sends the reminding information through the distraction reminding device, therefore being straightforward and remarkable in warning effect.

The invention discloses an intelligent street lamp green lighting management and control system and method based on the Internet of Things. The system comprises a control assembly and a street lamp body. The top of the control assembly is fixedly connected with a first filter screen; and a second filter screen is fixedly connected to the bottom of the control assembly, a controller and an exhaustfan are fixedly connected to an inner cavity of the control assembly, a display screen is fixedly connected to the surface of the control assembly, and a light sensor and an electricity recording meter are fixedly connected to the surface of the street lamp body. The invention relates to the technical field of street lamp control systems and discloses the intelligent street lamp green lighting management and control system and method based on the Internet of Things, the use state of the street lamp body is detected by calculating the electricity consumption of the street lamp body, normal street lamps and abnormal street lamps are recorded and displayed through a street lamp condition recording unit, the positions of the fault street lamps can be rapidly judged, the fault street lamps canbe rapidly maintained, the management and control effect is better, and the energy consumption is reduced.

The invention discloses a tracking method for an intelligent road warning device based on a grayscale sensor, which provides a road warning device including a grayscale sensor, through which the white warning line on the road surface and the parts other than the white warning line on the road surface are respectively monitored. Sampling, to generate two sampled grayscale analog quantities; perform analog-to-digital conversion on the two sampled grayscale analog quantities, and convert them into two sampled grayscale values; calculate the average of the two sampled grayscale values, marked as the sampled grayscale average ;Detect the grayscale in the forward direction in real time through the grayscale sensor to generate a real-time grayscale analog quantity, and convert the real-time grayscale analog quantity into a real-time grayscale value through analog-to-digital conversion; average the real-time grayscale value and the sampled grayscale Values ​​are compared, and the direction control signal is output according to the comparison result, and the forward direction of the wheel is adjusted according to the amplified direction control signal, so that the grayscale sensor always advances along the white warning line of the road surface; the method of the present invention can complete automatic placement of road warning signs.

The invention relates to the technical field of deceleration strip early warning, in particular to a deceleration strip early warning device which comprises a first loading frame, a second loading frame, a third loading frame, a fourth loading frame, a vertical mounting rod, an audible and visual alarm, a camera, a first distance sensing lamp, a second distance sensing lamp, an LED projection lamp, a center control box and a three-dimensional deceleration strip. The three-dimensional deceleration strip is arranged and composed of a black color block, a yellow color block and a white color block, the three-dimensional deceleration strip has the advantages of being high in three-dimensional sense and good in warning effect, and due to the fact that the upper portion of the three-dimensional deceleration strip is coated with a white high-light-reflection coating, strong visual impact can be brought to a motor vehicle driver. Meanwhile, the vehicle speed is measured through an image processing algorithm, and a driver is reminded to slow down by using alarm systems such as an LED and a sound-light alarm. The three-dimensional deceleration strip is different from a traditional speed reduction obstacle which causes large abrasion to the automobile, the automobile does not have obvious jolting feeling when passing through the three-dimensional speed bump, and meanwhile, the noise of the garage is reduced.

The invention discloses an early warning monitoring device for highway traffic engineering construction, a lifting rod is arranged above a base mechanism, a cross rod is arranged on the lifting rod, a display screen is arranged on the cross rod, a warning lamp is arranged at the top end of the lifting rod, and a control system comprises a monitoring module, a lane recognition module, a wireless connection module and a message sending module. The monitoring module comprises a radar positioning module and a speed measuring module; the wireless connection module and the message sending module remind passing vehicles of paying attention to safety in a construction road section through early warning prompt messages in a vehicle machine and voice broadcast mode, when the vehicle approaches a construction point, a warning slogan is displayed through the display screen, and license plate numbers and vehicle speeds of the passing vehicles are displayed, so that a driver is reminded of safe driving in the construction road section; meanwhile, passing vehicles are located and measured through the monitoring module, data are uploaded to a traffic police speed measurement management system to warn the passing vehicles not to see road construction early warning prompts to guarantee that the vehicles run on the construction road section at the safe vehicle speed, and the early warning prompting effect is good.

The invention discloses a warning device for a road maintenance section in rainstorm weather. The warning device comprises a box body, a funnel is arranged on the upper side of the box body, an impeller is arranged on the lower side of the funnel, a first crank is fixedly connected to the front side of the impeller, a first connecting rod is rotationally connected to the front side of the first crank, and a rotating block is arranged on the lower side of the first connecting rod. According to the warning device for the road maintenance section in the rainstorm weather, a cylindrical rail block can be driven to intermittently rotate left and right while a fixed rod rotates, so that a first moving rod is driven to synchronously rotate, and meanwhile, a third connecting rod is intermittently driven to rotate; a convex block is provided on the first moving rod, a clamping groove corresponding to the convex block is formed in the cylindrical rail block, so that the first moving rod is intermittently driven to move up and down, a warning board can rotate left and right and move up and down at the same time, and the structure achieves the effects that the moving warning board is not prone to being ignored, and traffic accidents are prevented.

The invention discloses display equipment for light display change. The display equipment comprises a body, a light source module arranged in the body, and a modulation control module which is arranged in the body and can control and modulate the light source module to act. The modulation control module can carry out multi-axial measurement on linear acceleration numerical values in the lifting and moving processes of the body so as to calculate numerical values such as the lifting angle and the moving speed of the body, so that the modulation control module presents different light display changes corresponding to the light source module according to the numerical values, and a better warning effect is achieved.

The invention discloses a full-automatic lifting type parking ground lock which comprises a basic mechanism, a warning board lifting mechanism, a quick reversing mechanism and a quick reversing starting mechanism and is mainly used for warning other people that a parking space belongs to a private parking space. The rapid reverse rotation mechanism and the rapid reverse rotation starting mechanismare used for rapidly and sensitively lifting the basic mechanism and the warning board lifting mechanism, the essence of the rapid reverse rotation mechanism is a rapid reverse rotation transmissiondevice composed of a gear and a friction wheel, and the rapid reverse rotation starting device in pneumatic transmission is additionally arranged, so that rapid response to a lifting instruction is achieved; the warning board lifting mechanism is a variable crank rocker mechanism, and the dead point position of the mechanism is used for fixing the warning board. The warning board can quickly respond to an external lifting instruction, the warning board is firmer when unfolded, automation is achieved in the whole working process, and operation is simplified.

The invention provides an acoustic-optical electronic warning board which comprises a warning board body with warning signs. The acoustic-optical electronic warning board is characterized in that a microwave induction module, a switch circuit and an alarming module are mounted on the warning board body, wherein the microwave induction module comprises a battery BT, a microwave sensor H and a switch K; the microwave sensor H is connected with the battery BT through the switch K; the output end of the microwave sensor H is connected with the alarming module through the switch circuit. On the basis of existing sign warning, the acoustic-optical electronic warning board is additionally endowed with an acoustic-optical alarming function, and is complete in function and ideal in warning effect; moreover, the phenomena of being neglected are reduced, and particularly the phenomena of being neglected at night or in poor light are reduced; the working performance is high.

The invention relates to a novel transportation safety warning system. The novel transportation safety warning system comprises a top cover, light-permeable cloth, a warning light and a base pile, three first hinges are distributed on the top cover at equal intervals, the first hinges are slidably connected with pull rods, the other side of each pull rod is slidably connected with a second hinge, the second hinge is fixedly installed on the base pile, the middle of the base pile is provided with the warning light, the outer sides of the pull rods are provided with the light-permeable cloth, the inside of the base pile is provided with a control chip, the circumference of the outer side of the top cover is provided with three layers of LED lights at equal intervals, solar panels are distributed on the surface of the base pile, and the bottom face of the base pile is provided with air suction bags at equal intervals. The novel transportation safety warning system is provided with an extension structure and has a suction function, when the system is in a compressed state, the system can be sucked on a high place of other objects through the air suction bags on the bottom face of the base pile, when the system is in a pulled state, light of the warning light is radiated on the light-permeable cloth, and through the LED lights at the outer side of the top cover, a better warning function is achieved.

The invention relates to a landslide early warning device, in particular to a bauxite loess geological slope landslide early warning device. The bauxite loess geological slope landslide early warningdevice is low in maintenance cost and convenient to use. The bauxite loess geological slope landslide early warning device comprises a first inserting rod, a first mounting plate, a first connecting rod, supporting rods, an arc-shaped rail, a self-generating contact type remote signal transmitter and the like. The first inserting rod is inserted in the top portion of the slope, the first mountingplate is arranged at the top of the first inserting rod, the first connecting rod is arranged on the right side of the first mounting plate, the two supporting rods are arranged on the right side of the top of the first connecting rod, and the arc-shaped rail is connected between the supporting rods on the left and right sides. According to the invention, signals can be emitted when the fixing device is displaced, the use is convenient, the early warning effect is good, a mechanical early warning mode is used for replacing electronic early warning, the maintenance cost is low, and the use is convenient.

The invention discloses a heating type foot pad used in winter and having a leg shaking prevention function, the heating type foot pad comprises a foot pad body, two pressing grooves are symmetrically formed in the upper end of the foot pad body, two pedals used for moving up and down are horizontally arranged in the two pressing grooves respectively, heating cavities are formed in the four pedals, and the lower ends of the four pedals are elastically connected with the inner bottoms of the corresponding pressing grooves through a plurality of first springs. The triggering mechanism comprises two folding air bags which are vertically arranged in the pressing grooves respectively. According to the foot pad, under the normal condition, the foot soles are heated through the electric heating plate, it is guaranteed that the feet cannot feel cold when sitting in winter, when the feet start to shake, the temperature of the electric heating plate rises, hot air is continuously sprayed to the legs through the spray heads, and a user is reminded not to continue to shake the legs any more.