175 results about "Light at night" patented technology

The invention relates to the technical field of unmanned aerial vehicle pipeline inspection, in particular to an unmanned aerial vehicle pipeline inspection risk intelligent recognition method and an edge protection calculation system. The technical problem is that an existing unmanned aerial vehicle pipeline inspection risk intelligent identification method is difficult to clearly observe the surrounding situation of a pipeline at night or in an environment with insufficient light, so that potential risk points and abnormities are difficult to find in time; according to the technical scheme, the unmanned aerial vehicle pipeline inspection risk intelligent identification method and the edge protection calculation system comprise an unmanned aerial vehicle inspection night risk identification and anomaly detection method; compared with a traditional unmanned aerial vehicle pipeline inspection risk intelligent identification method, the situation around the pipeline is difficult to clearly observe at night or in an environment with insufficient light, so that potential risk points and abnormities are difficult to find in time; according to the unmanned aerial vehicle pipeline inspection risk intelligent identification method, the image acquired by the unmanned aerial vehicle can be automatically analyzed through an image processing algorithm, and potential risk points and abnormities can be identified more accurately.

The utility model discloses a heat insulation type automobile protective cover, which belongs to the technical field of automobile accessories and comprises a protective cover body, rearview mirror protective covers are respectively arranged on two sides of the protective cover body, first reflective strips are fixedly connected onto the rearview mirror protective covers, and second reflective strips are respectively arranged on the periphery of the protective cover body. The second reflective stripe of the protective cover body and the first reflective stripe on the rearview mirror protective cover can reflect light at night to remind passing vehicles and prevent collision accidents, then the elastic band at the bottom of the protective cover body can be tensioned after the protective cover body and the rearview mirror protective cover are sleeved on the vehicle, certain support is provided, and the protective cover body and the rearview mirror protective cover are convenient to use. According to the wind-proof protective cover, wind is prevented from blowing up or blowing away the protective cover body, the stability during use is enhanced, then wheels can be protected through the wheel protective cover, the wheel protective cover can be conveniently installed on the protective cover body, and the wheel protective cover can be conveniently fixed through a fourth hook-and-loop fastener and a third hook-and-loop fastener on a fixing belt.

To provide a retroreflective weed-proof sheet in which the position of a curb is easily visually recognized at night.SOLUTION: A retroreflective weed-proof sheet is laid at a boundary between a roadway or a sidewalk and a curb. The retroreflective weed-proof sheet is formed by laminating and integrating a glass bead 2 embedded in a transparent resin layer 1, an aluminum layer 3, a nonwoven fabric layer 4, and an asphalt layer 5 in this order from the surface. Due to the glass beads 2 and the aluminum layer 3 embedded in the transparent resin layer 1, when the headlight of a vehicle is applied at night, the color of the surface is visually recognized as silver gray, so that the position of the curb can be confirmed. The aluminum layer 3 and the nonwoven fabric layer 4 are formed of an aluminum-deposited nonwoven fabric.SELECTED DRAWING: Figure 1

The utility model provides a bridge pier anti-collision structure, and belongs to the technical field of bridge pier anti-collision. The bridge pier anti-collision structure comprises a bridge pier body, the anti-collision structure comprises a left anti-collision ring and a right anti-collision ring, the bridge pier body is arranged between the left anti-collision ring and the right anti-collision ring, and reinforcing rods are arranged in the left anti-collision ring and the right anti-collision ring. Through mutual cooperation of the threaded rod, the left anti-collision ring, the right anti-collision ring, the reinforcing rod, the wear-resistant layer and the fluorescent strip, the left anti-collision ring and the right anti-collision ring are placed on the two sides of the bridge pier body firstly, then move in the opposite directions and are limited through the threaded rod, and after limiting is completed, the anti-collision ring and the right anti-collision ring are fixed through the reinforcing rod, the fluorescent strip and the wear-resistant layer. Therefore, the strength of the bridge pier body can be improved, protection on the outer sides of the left anti-collision ring and the right anti-collision ring can be enhanced, stability is improved, strong light can be emitted at night, ships driving at night are reminded to be close to the bridge pier body, early warning is conducted in advance, and the ships are prevented from being collided.

The invention relates to the technical field of intelligent auxiliary driving, and discloses a lane line detection system based on a multi-task convolutional neural network, and the system comprises a multi-task convolutional neural network architecture which is composed of a shared feature extraction layer, a lane line positioning sub-network, a lane line type recognition sub-network and a drivable region segmentation sub-network. Through a cascade structure of depth separable convolution and void space pyramid pooling, the model calculation complexity is significantly reduced, and the expression ability of multi-scale road scene features is enhanced at the same time. Through the combination design of shallow grouping convolution and deep channel rearrangement dense connection, the feature fusion efficiency is improved on the basis of reducing the parameter quantity, and the problem that an existing model is difficult to deploy in real time due to large computing resource requirements is solved; a feature fusion module based on an attention mechanism is combined with an improved preprocessing technology, shadow, uneven illumination and night low-light interference are effectively suppressed, and the lane line positioning precision is improved.

The utility model discloses a protective device for construction engineering construction, which comprises a stand column and a baffle plate, one side of the baffle plate is provided with a light supplementing mechanism which is convenient for supplementing light at night, a danger notice board is fixedly embedded in the baffle plate, and a fixing mechanism which is convenient for fixing the baffle plate is arranged between the stand column and the baffle plate. Fixing nails are movably arranged at the bottom ends of the stand columns in a penetrating mode, pull ropes are fixedly arranged at the top ends of the fixing nails in a winding mode, the fixing mechanism comprises a fixing shaft, limiting rods, placement grooves and extension blocks, the placement grooves are formed in the stand columns, the two placement grooves are formed in one side of the stand column on the same side, and the extension blocks are fixed to a baffle. The limiting plate is in a horizontal state before use, the extension block is moved into the placement groove during installation, then the limiting plate is rotated, so that the limiting plate is rotated to a vertical state and shields the front end position of the extension block, the extension block is prevented from being separated, the installation and fixing work is completed, installation is simple and convenient, and the practicability of the device is improved.

The utility model provides an induction control intelligent circuit used for a vehicle lamp, comprising a power supply module used for providing a power supply for the whole circuit; the pyroelectric infrared sensor module is used for sensing human body infrared rays; the light control module is used for sensing the brightness of ambient light; the LED module is used for illumination; the load switch circuit is electrically connected with the LED module and is used for controlling the LED module to be connected with or disconnected from a power supply; the control module is electrically connected with the pyroelectric infrared sensor, the signal output end of the light control module and the control end of the load switch circuit, and controls the load switch circuit to be switched on or switched off according to whether the light control module senses that the ambient light brightness is lower than a critical value or not and whether the pyroelectric infrared sensor module senses human body infrared rays or not. And the LED module is further controlled to be turned on or turned off. According to the utility model, the lamp can be automatically turned on at night and in a basement, so that the timely and effective illumination is improved, and the lamp is a precedent of a two-wheeled vehicle lamp.

The utility model relates to microalgae landscape equipment which comprises a base component, a plurality of tubular bonsai components, a plurality of anti-blocking components, a plurality of flushing components, a plurality of light components and a control component. The low-carbon landscape device has the advantages that the microalgae are filled into the tubular bonsai part and combined with the lamplight part to form the ornamental low-carbon landscape device, the microalgae can continuously grow in the sun in the daytime, meanwhile, photosynthesis is carried out for carbon sequestration and oxygen release, and the microalgae can emit light at night to form a luminous landscape effect; in addition, the anti-blocking component is arranged at the liquid outlet of the tubular bonsai component, so that the liquid outlet at the bottom of the tubular bonsai component can be prevented from being blocked; and moreover, the flushing part is arranged in the tubular bonsai part, so that the inner tube wall of the tubular bonsai part can be flushed, the microalgae are prevented from being attached to the inner tube wall of the tubular bonsai part, and the attractiveness is improved.

An environmental-friendly luminous flowerpot comprises a pot body which is semitransparent and is made of an herb-plastic composite environmental-friendly material. One or more light-emitting elements which are electrically connected to a solar device are disposed inside the pot body. The pot body can be made to have various shapes in various textures. When light is transmitted to the outside through an inner peripheral wall of the pot body, the light rays bring out different visual effects according to the various shapes in various textures, ensuring the effects of beautifying and decorating. Solar energy is used to supply power, and the light control device disposed on the solar module is capable of automatically turning off light during the day and automatically turning on light at night, saving energy and protecting the environment.

1. The name of the design product: water level gauge (self-luminous). 2. The use of the design product: for water level observation. 3. The design points of the design product: in the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought includes color. 6. The bottom view of the design product is not easily seen or not seen when in use, and the bottom view is omitted. 7. Other circumstances that need to be explained: The panel in the metal frame in the front view and the left view is an inorganic light-storing self-luminous material, which can emit light at night after being exposed to light or high temperature conditions, such as the use state diagrams 1 and 2.

The utility model discloses a telescopic water pipe with an elastic cloth cover. The telescopic water pipe comprises a corrugated inner pipe, the elastic cloth cover, a first connector and a second connector. Due to the arrangement of the elastic cloth sleeve, the inner pipe in a folded state can be lengthened when the water pipe is subjected to water flow pressure, meanwhile, the elastic cloth sleeve outside the inner pipe can be synchronously stretched, when a water source is closed, the elastic cloth sleeve can contract and restore due to elastic force, the inner pipe is folded again, the telescopic function of the water pipe can be achieved, the hardness of the inner pipe is high, and the service life of the water pipe is prolonged. The middle of the inner pipe is further provided with a section of partition area, a user can vertically cut along the center line of the partition area, so that the inner pipe can be divided into two inner pipes of the same structure for use, and the user can conveniently control the overall length of the telescopic water pipe according to requirements; the protective film can enhance the dustproof effect of the surface of the inner pipe, the reflective assembly can reflect light at night, pedestrians can find the water pipe conveniently, and stumbling is prevented.

The present invention provides a dual-camera face recognition method without a white light fill light, comprising the following steps: acquiring a real color image and an infrared image; processing an experimental color image; inputting the experimental color image and the infrared image for training, and outputting a fused image; calculating a loss function and adjusting model parameters; starting a detection program, waiting for the light illuminance value to stabilize, acquiring the current light illuminance value and white balance value, and switching between a bright field mode and a dark field mode when the light illuminance value and the white balance value meet a switching condition; if the bright field mode is currently in the bright field mode, performing face recognition based on the color camera and the infrared camera; if the dark field mode is currently in the dark field mode, collecting a target color image and a target infrared image in the current environment, inputting them into an image fusion model, obtaining a target fused image, and performing face recognition based on the target fused image and the infrared camera. The present invention also provides an electronic device and a medium for solving the problem of people not being dazzled by white light fill lights at night.

The utility model discloses industrial park entrance and exit management equipment, and relates to the technical field of entrance and exit management equipment, in particular to the industrial park entrance and exit management equipment, which comprises a shell frame, an entrance and exit mechanism is arranged on the shell frame and is used for blocking personnel from entering and exiting, and the entrance and exit mechanism comprises an upper blocking assembly and a lower blocking assembly, comprising an auxiliary shaft rod rotationally installed on the two sides in a shell frame in a penetrating mode, a one-way blocking frame is fixed to the outer wall of the auxiliary shaft rod, belt wheels are installed on the outer wall of the upper end of the auxiliary shaft rod, and a belt is installed between the belt wheels on the two sides; according to the scheme, although a baffle is adopted to prevent people from entering, the defect that the upper portion cannot be completely sealed due to the fact that the baffle can only effectively block the lower portion is overcome. The problem that in particular, at night or in a dark environment, people possibly try to climb over a baffle from the upper portion and easily enter a limited area is solved.

The invention discloses an allium mongolicum regel cultivation method with an LED as a light supplementing source, and belongs to the technical field of plant cultivation. The allium mongolicum regel cultivation method with the LED as the light supplementing light source comprises the following steps that after allium mongolicum regel is cut, light supplementing treatment is conducted on the allium mongolicum regel every day, and harvesting of the allium mongolicum regel is stopped after 30 days; then the allium mongolicum regel is cut, and then the steps are repeated; the light supplementing treatment comprises the steps that natural illumination is conducted in the daytime, and after no natural illumination exists at night, light supplementing is conducted for 5 h with an LED as a light source. The invention provides an efficient, energy-saving and accurate light supplementing scheme capable of promoting the growth of allium mongolicum regel and improving the quality of the allium mongolicum regel. The yield and quality of allium mongolicum regel are effectively improved by accurately controlling the light source, the illumination intensity, the red-blue light proportion in the light source and the light supplementing time.

The present invention relates to the technical field of overhead line obstacle balls, and specifically to a rotatable obstacle ball, including a reflective sphere, a lighting device, a power supply device, a connecting rod, and a clamping device; the connecting rod includes a first connecting rod and a second connecting rod, the reflective sphere is respectively connected to the first connecting rod and the second connecting rod through a connecting shaft, the clamping device includes a first clamping device and a second clamping device, the first clamping device and the second clamping device are connected to a cable, the first connecting rod is provided with a lighting device, the light outlet of the lighting device is provided toward the reflective sphere, the power supply device is provided on the cable, and the power supply device is connected to the lighting device through a connecting line. The present invention is provided with a rotatable reflective sphere and a lighting device, and the lighting device lights up when working at night, so that the obstacle ball can also play a good warning role at night.

The application provides a road pile for road construction and a use method thereof, and belongs to the field of road piles. The road pile is composed of a base, a supporting column, a anti-pulling mechanism, a rotating mechanism, a road pile body, a plug-in mechanism, a support mechanism and a warning mechanism. In the scheme, the threaded rod C is screwed into the internal threaded groove C, so that the threaded rod C can be easily disassembled from the internal threaded groove C. The connecting flange and the road pile body are fixedly connected through bolts, so that the connecting flange and the road pile body can be easily disassembled and separated. The external threaded cylinder is screwed into the internal threaded groove B, so that the sealing cover can be easily disassembled and separated from the road pile body. The night warning light can emit light at night, thereby warning pedestrians and vehicles passing by. The problem that the road pile in the prior art cannot be separated because it is an integrated type, and the road pile needs to be operated by multiple people simultaneously during installation, thereby reducing the installation convenience of the road pile, can be solved.

The utility model discloses a night warning device for building construction, which comprises a vertical rod and a warning lamp, a baffle plate is embedded in the vertical rod, a pull plate is fixedly connected to the side surface of the baffle plate, a rotating shaft is arranged on the side surface of the baffle plate, a rotating shaft is fixedly connected to the side surface of the vertical plate, a fixing plate is sleeved outside the rotating shaft, and a butterfly bolt penetrates through the interior of the fixing plate. Supporting rods are fixedly connected to the side faces of the vertical plates, and side plates are fixedly connected to the surfaces of the supporting rods. According to the night warning device for building construction, the baffle is additionally arranged in the vertical rod, the reflecting plate is additionally arranged on the side face of the baffle, when the warning device needs to be used, the warning device is installed at the needed position firstly, a butterfly bolt and a lower fixing plate are screwed off, then a pulling plate is pulled, and the baffle is kept horizontal and tightly attached to a side plate after being pulled down; and the reflecting plate on the surface of the baffle plate can also reflect light for warning when meeting light at night, and pedestrians can be blocked by the baffle plate when passing by, so that the use is more convenient.

The utility model discloses a warning post, which comprises a first shell, a second shell, a third shell and a fourth shell, wherein a first mounting cavity is defined in the first shell; a second mounting cavity is defined in the second shell, and the second shell is detachably connected with the first shell; the photovoltaic panel is arranged on the first shell; the lighting assembly is arranged in the second shell, and a part of the lighting assembly extends out of the second shell; the control panel is arranged in the first shell, and the control panel is electrically connected with the lighting assembly; and the warning cover is arranged on the second shell in a sleeving manner and is detachably connected with the first shell. The warning column, the first shell and the second shell are detachably connected, the warning cover and the first shell are detachably connected, and therefore the warning column can be conveniently disassembled and assembled and can be conveniently arranged on other warning columns. The photovoltaic panel absorbs energy in the daytime and is used for the lighting assembly to emit light at night, extra power consumption is reduced, the light emitting effect is better, and more electricity is saved.

The invention belongs to the technical field of flower boxes, and particularly relates to a lateral light bar type lighting flower box which comprises a flower box main body which is of a square box structure with a top opening and a bottom; the upper edge of the flower box body is turned outwards to form an upper isolation table, and an upper embedding groove is formed in the outer side of the upper isolation table. The base is arranged below the flower box main body, the edge of the base extends out of the bottom of the flower box main body and forms a lower isolation table, and a lower embedding groove is formed in the outer side of the lower isolation table; the light-transmitting cover covers the outer side of the flower box main body; the light-transmitting cover is inserted into the lateral embedding groove; lED lamp strips are mounted on the lower surface of the upper isolation table and the upper surface of the lower isolation table. According to the lighting flower box in the scheme, the LED lamp strips arranged in the box walls can be used for lighting, so that the overall attractiveness of the flower box is improved, the lighting flower box can actively emit light at night, and environment beautification is achieved; in addition, the space in the box wall can be utilized to form an advertisement position, and economic value is created.

The deceleration strip with the warning function comprises a main strip body and auxiliary strip bodies installed on the two sides of the main strip body, a plurality of installation grooves are formed in the main strip body and located in the two sides of the main strip body in the length direction, and the installation grooves in the two sides are arranged at equal intervals in the length direction of the main strip body; a fixing piece is arranged at the bottom of each mounting groove, and the main belt body is fixed to the ground through the fixing pieces; an LED lamp is arranged in the mounting groove and comprises a body and a lamp body, the lamp body is located on the side, close to the groove bottom of the mounting groove, of the body, and the lamp body is right opposite to the groove bottom of the mounting groove; a mounting frame is mounted on the wall of the mounting groove, and the body is mounted on the mounting frame; two fixing screw rods are arranged in the mounting groove, the two fixing screw rods are arranged at intervals, and the two fixing screw rods are used for fixing the mounting frame on the groove wall of the mounting groove; according to the invention, the LED lamp emits light at night to prompt a driver, so that the driver slows down in advance.

The utility model discloses an illumination control circuit, a PCB and a controller thereof. The illumination control circuit comprises a driving input end, a module switching unit, a light-operated processing unit, a color temperature power control unit, a color temperature switching unit, a first light-emitting module and a second light-emitting module. The driving input end is used for sending a power adjusting signal and a module switching signal to the color temperature power control unit and the module switching unit, so that the module switching unit and the color temperature power control unit are matched with each other to adjust the input power of the first light-emitting module and the input power of the second light-emitting module. A color temperature adjusting signal is sent to the color temperature power control unit through the driving input end, so that color temperature switching of multiple modes is realized; besides, the light control processing unit is used for collecting light signals in the environment in real time so as to judge whether the actual environment is in the daytime or at night, the effect of automatically turning off the lamp in the daytime and automatically turning on the lamp at night is achieved, and energy consumption of the lighting lamp is effectively reduced.

1. Name of this design product: Smart Road Sign. 2. Purpose of this design: To be used as a road name sign for traffic guidance, and to have video security monitoring and LED welcome light illumination functions. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other matters requiring explanation: In the front view, rear view, and perspective view of this design product, the purple solid color area represents the QR code. The QR code display area in the figure is a non-design element with variable content, and its specific pattern content does not constitute the scope of patent protection, but is only used to illustrate the positional relationship; solar power supply panel (with parallel groove texture area on the top); smart road name sign with double-sided embedded LED light bead array (forming "Welcome") dynamic text, which can emit light at night, as shown in the reference figure of the usage state; infrared night vision camera modules on both sides.

The utility model particularly relates to an intelligent water conservancy water level early warning device which comprises a measuring column casing, mounting plates are fixedly arranged on the inner side wall of the measuring column casing on the left side and the right side of an ejector rod, the mounting plates are in a C shape, sliding grooves are symmetrically formed in the left sides and the right sides of the mounting plates, mounting grooves are formed in the sliding grooves, and initial early warning assemblies are arranged in the mounting grooves. The top of the mounting plate is provided with a ranging assembly. An initial early warning assembly is arranged and extrudes symmetrical pressing blocks, the pressing block on the left side extrudes a push rod so as to form touch extrusion on a touch button, the touch button can control lighting lamps installed on a circular ring and distributed on the circumference of the bottom to be turned on, and the situation that people observe the change condition of the water level is affected due to insufficient light at night is avoided; the laser transmitter is started, the distance of the water level is measured under the cooperation of the receiving reflecting plate, data can be transmitted into the micro-processing controller, the real-time water level distance can be displayed through the display screen on the micro-processing controller, the alarm is controlled to give an alarm, and enough reaction time is reserved for people.

The invention belongs to the technical field of flower boxes, and particularly relates to an upper and lower light bar type lighting flower box, which comprises a flower box main body, an upper light bar and a lower light bar, the upper edge of the flower box body is turned outwards to form an upper isolation table, and an upper embedding groove is formed in the outer side of the upper isolation table. The base is arranged below the flower box main body, the edge of the base extends out of the bottom of the flower box main body and forms a lower isolation table, and a lower embedding groove is formed in the outer side of the lower isolation table; the light-transmitting cover covers the outer side of the flower box main body; the light-transmitting cover is inserted into the upper and lower embedding grooves; lED lamp strips are mounted on the lower surface of the upper isolation table and the upper surface of the lower isolation table. According to the lighting flower box in the scheme, the LED lamp strips arranged in the box walls can be used for lighting, so that the overall attractiveness of the flower box is improved, the lighting flower box can actively emit light at night, and environment beautification is achieved; in addition, the space in the box wall can be utilized to form an advertisement position, and economic value is created.

A wire-frame and fiberglass holiday motif has multiple pinpoint lights secured and arranged on a wire frame so as to convey a three-dimensional form of the holiday motif. In addition, one or more molded fiberglass portions have been secured to the wire frame and present an outer surface corresponding to an expressive feature of the holiday motif, such as a face. The thickness of the fiberglass has been selected such that it becomes translucent when illuminated by a subset of the pinpoint lights at night proximate to such fiberglass portions. The combination of planar surfaces defined by a pattern of pinpoint lights visible to the user, and one or more portions of molded fiberglass conveying expressive features of the holiday motif enhance viewing of the holiday motif both by day and by night.

The utility model discloses a self-adhesive label with a graphic code, comprising a release paper and a label body arranged on the release paper, wherein the label body comprises a self-adhesive layer, a base paper layer, a label paper layer, a printing layer and a waterproof film layer arranged in sequence from bottom to top, a rectangular groove is provided on one side of the label paper layer, a graphic code card connected to the base paper layer is arranged in the rectangular groove, and a circle of fluorescent strips is arranged around the graphic code card. The utility model has a novel design, a simple structure and is easy to use. It can not only effectively increase the difficulty of counterfeiting and copying the label through the built-in graphic code card, but also can freely absorb energy through the fluorescent strip during the day and emit light at night. The label can increase the strength and wear resistance of the label to increase the service life of the label.

The utility model relates to the technical field of signboards, and discloses a guiding signboard which comprises a base, a stand column is fixedly connected to the upper side of the base, a lifting sleeve is movably connected to the outer portion of the stand column and connected with the base through a lifting assembly, a movable sleeve is movably connected to the outer portion of the lifting sleeve, and the movable sleeve is connected with the stand column. First rotating rings are rotationally connected to the upper end and the lower end of the outer wall of the movable sleeve, a second rotating ring is rotationally connected to the middle of the outer wall of the movable sleeve, and fixing frames are fixedly connected to the exteriors of the first rotating rings and the second rotating ring. According to the signboard, the motor drives the bolt to rotate and is matched with the lifting ring to drive the lifting sleeve to move up and down, so that the height of the signboard is adjusted, replacement is convenient, the illuminating lamp can illuminate the signboard, and the situation that light is insufficient at night, and identification of the signboard is affected is avoided; and the fixing frame and the signboard can rotate through the first rotating ring and the second rotating ring, so that the direction of the signboard is convenient to adjust.

1. Name of the product in this design: Patting Lamp (Flattery). 2. Purpose of this design: for use as ambient lighting at night. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key features: the front view.

1. Name of the designed product: electric torch (focusing 2). 2. Use of the designed product: for lighting at night. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses a night indicating structure of a wall switch, which comprises a sucker and a connecting part integrally formed at the top of the sucker, a spherical cylinder is sleeved at the top of the connecting part, a connecting pipe is nested at the top of the spherical cylinder, a negative pressure plate is arranged at the top of the connecting pipe, and a covering plate is nested at the top of the negative pressure plate. A noctilucent plate is embedded in the top of the covering plate, a connecting block is arranged at the bottom of the covering plate, a rubber band is arranged on the connecting block, and the connecting block at the other end of the rubber band is connected with an arc-shaped cover. The sucker can be directly adsorbed on the wall switch, the noctilucent plate emits light at night so that the position of the wall switch can be known when people get up at night, and the arc-shaped cover blocks the connecting pipe so that the connecting pipe can be connected in one direction, the suction force in the sucker is increased, the suction force of the sucker is increased, and the noctilucent plate is firmly fixed and convenient to disassemble.