CN113380162A

CN113380162A - Advertisement display device

Info

Publication number: CN113380162A
Application number: CN202110766446.5A
Authority: CN
Inventors: 杜霈广
Original assignee: Kelu Shandong Technology Service Co ltd
Current assignee: Kelu Shandong Technology Service Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-09-10

Abstract

The invention provides an advertisement display device, which comprises a main body; the top surface of the main body is fixedly and vertically connected with a slope plate, the lower part of the right side in front is fixedly connected with a central processing unit, the bottom is movably connected with moving parts, the upper parts of the front side and the rear side are respectively movably connected with cleaning parts, and the inside is fixedly connected with a protection assembly; the middle of the slope plate is high, the front side and the rear side are low, and cameras are fixedly arranged at four corners of the bottom surface of the slope plate respectively; the central processor is in a rectangular structure with rounded edges; the moving part is coupled with the central processing unit circuit; the cleaning parts are integrally of cuboid structures and are provided with two groups, and each group of cleaning parts is coupled with the central processing unit circuit. The invention is provided with the second switch, when the masses press the second switch curiously, the advertisement content is played in a voice mode, the luminous plate is controlled to light, the visual display effect of the advertisement is enhanced, the traditional visual display mode is changed, the advertisement content can be displayed from multiple aspects of vision and hearing, and the advertisement content is more abundant and three-dimensional.

Description

Advertisement display device

Technical Field

The invention belongs to the technical field of advertisements, and particularly relates to an advertisement display device.

Background

The advertisement means that a person notices or informs others of a certain event to attract the attention of others, the earliest ancient written "advertisement" is consistent with the basic spirit of modern advertisements, and the purpose is to distribute things or information.

For example, publication nos.: CN112331109A discloses an advertisement display device, which comprises a water injection base, wherein a water injection end cover is fixedly connected to the middle position of the upper surface of the water injection base through a threaded groove in a clamping manner, display brackets B are arranged on two sides of the upper surface of the water injection base, one end of each display bracket B is rotatably connected with a connecting screw rod through a bearing, the connecting screw rod is fixedly connected with the water injection base through a threaded groove in a clamping manner, the other end of each display bracket B is provided with a display bracket A, a steel ball spring is fixedly connected to the inside of one end of each display bracket A through welding, and one end of each steel ball spring is fixedly connected with a steel ball through welding; install show support A and show support B at water injection base upper surface adjustable agent through having designed and be convenient for adjust according to the bill-board size, solved its size singleness of current advertisement display device, can't adjust according to the advertisement size to do not have the problem of diversity.

Based on the prior art, the traditional advertisement display device is only displayed from a visual level, and can be displayed from multiple aspects of vision and hearing without structural improvement, so that the advertisement content is more abundant and stereoscopic; the advertisement display device protects the picture content by a transparent plate, dust on the surface of the advertisement display device after outdoor placement time is long influences the advertisement watching definition, and the transparent plate can be automatically cleaned after dust falls on the transparent plate without structural improvement, so that the advertisement watching definition is ensured; the advertisement display has no interactive device, is difficult to attract the eyeball and cannot achieve the purpose of transmission, and the device has an interactive function and attracts the eyeball without structural improvement so as to achieve the purpose of transmission.

Disclosure of Invention

In order to solve the technical problems, the invention provides an advertisement display device, which aims to solve the problem that the traditional advertisement display device can be displayed from multiple aspects of vision and hearing without structural improvement, so that the advertisement content is more abundant and stereoscopic; the transparent plate can be automatically cleaned after dust falls on the transparent plate without structural improvement, so that the watching definition of the advertisement is ensured; without structural improvement, the device has an interactive function to attract the eyeball so as to achieve the purpose of transmission.

The invention relates to an advertisement display device, which is achieved by the following specific technical means:

an advertisement display device includes a main body;

the top surface of the main body is fixedly and vertically connected with a slope plate, the lower part of the right side in front is fixedly connected with a central processing unit, the bottom is movably connected with moving parts, the upper parts of the front side and the rear side are respectively movably connected with cleaning parts, and the inside is fixedly connected with a protection assembly;

the middle of the slope plate is high, the front side and the rear side are low, and cameras are fixedly arranged at four corners of the bottom surface of the slope plate respectively;

the central processor is in a rectangular structure with rounded edges;

the moving part is coupled with the central processing unit circuit;

the cleaning pieces are integrally in a cuboid structure and are provided with two groups, and each group of cleaning pieces is coupled with the central processing unit circuit;

the protection assembly is coupled to the central processor circuit.

Further, the body includes:

the foundation piles are of a cuboid structure and are arranged in two groups, and the foundation piles are fixedly connected to the bottom surfaces of the left and right stand columns of the main body and buried below the ground;

the clamping groove is arranged on the bottom surface of the main body and is of a cuboid structure;

the groove is of a cuboid structure and is arranged on one side of the opposite surface of the left stand column and the right stand column of the main body.

Further, the ramp plate comprises:

the rain collecting plates are provided with two groups and are of cuboid structures, and the rain collecting plates are fixedly arranged on the front side and the rear side of the slope plate.

Further, the rain collecting plate includes:

the cross section of the rain collecting groove is of a rectangular structure and is communicated to the inside of the rain collecting plate;

the filter, the filter is the rectangle structure and fixed connection is in the bottom surface of rain-collecting plate to the top surface of piece is washd in bottom intercommunication.

Further, the central processing unit includes:

the first switch is of a circular structure and is arranged above the front of the central processing unit;

the second switch is of a circular structure and is arranged below the front of the central processing unit;

the voice player is of a rectangular structure and is arranged below the inner part of the main body, and when the front of the voice player is exposed out of the front of the main body and is electrically connected with the central processing unit.

Further, the moving member includes:

the limiting box is fixedly connected to the left and right outer sides of the moving piece and is of a hollow cuboid structure without a back plate;

the telescopic rod is a scissor type telescopic structure rod, and the front end of the telescopic rod is movably clamped in the limiting box;

the electric sliding rail is fixedly arranged in the groove and movably clamped with the rear end of the telescopic rod;

the auxiliary member, auxiliary member fixed connection are at the top surface of moving member to both ends are cylindrical around, and the centre is the arc structure, forms the bayonet socket between cylindrical structure and the arc structure.

Further, wash a movable joint spout, spout fixed connection is in the preceding left and right sides of main part, and washs a and includes:

the shower nozzle, the shower nozzle is cylindrical structure and fixed mounting inside the bottom of cleaning the piece, and the shower nozzle is the tilt state.

Further, the protection component comprises:

the luminescent plate, the luminescent plate is equipped with two sets ofly altogether and the surface is equipped with LED lamp pearl, and the one side that two sets of luminescent plates were equipped with LED lamp pearl deviates from mutually to equal fixed mounting is in the middle of the inside of main part.

Further, the protection component further comprises:

the protective plate, the protective plate is equipped with two sets ofly and is transparent waterproof nature panel altogether, and protective plate fixed mounting is in the outside of luminescent plate, but is located the inboard of cleaning.

Further, the protection component further comprises:

the light-emitting devices comprise three groups of light-emitting devices on one side, one light-emitting device is fixedly arranged in the middle of the top end of the front light-emitting plate, the other two light-emitting devices are respectively and fixedly arranged on the left side and the right side of the front light-emitting plate, and the light-emitting device on the other side is in mirror symmetry with the main body by taking the inner central line of the main body as an axis;

the photoreceptor is of a circular structure and corresponds to the position of the light emitter, and the photoreceptor is fixedly arranged on the outer side of the protection plate.

The invention at least comprises the following beneficial effects:

1. the invention is provided with the second switch, when the masses press the second switch curiously, the advertisement content is played in a voice mode, the luminous plate is controlled to light, the visual display effect of the advertisement is enhanced, the traditional visual display mode is changed, the advertisement content can be displayed from multiple aspects of vision and hearing, and the advertisement content is more abundant and three-dimensional.

2. The cleaning device is provided with the cleaning piece and the protection component, when light beams emitted by the light emitter cannot be received by the photoreceptor, it is indicated that stains are on the surface of the protection plate and need to be cleaned, the photoreceptor transmits signals to the central processing unit, after the central processing unit sends an instruction needing cleaning, the cleaning piece moves downwards through the chute, the nozzle sprays water in the cleaning piece, the purpose of cleaning is achieved, meanwhile, when the cleaning piece reaches the bottom end and is cleaned, the central processing unit sends a blow-drying instruction and drives the cleaning piece to move upwards, and meanwhile, the nozzle sprays air to blow dry moisture on the surface of the protection plate, so that the purpose of air drying is achieved, and cleaning is completed.

3. When people need to take a seat through the voice greeting, the circuit is communicated after the first switch is pressed down, the rear end of the telescopic rod is driven to move towards the middle through the electric sliding rail, the telescopic rod is pushed to move forwards and extend, and therefore the moving part is pushed to move forwards, the people can take the seat, the device has an interaction function, and the eyeball is attracted, so that the purpose of transmission is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of the moving member of the present invention in an expanded configuration.

FIG. 3 is a schematic structural diagram of a moving part according to the present invention.

Fig. 4 is a schematic structural view of the rain-collecting plate of the present invention.

Fig. 5 is a schematic cross-sectional view of the main body of the present invention.

Fig. 6 is an enlarged schematic view of the invention at a in fig. 5.

Fig. 7 is an enlarged view of the structure of fig. 5 at B according to the present invention.

Fig. 8 is an enlarged view of the structure of fig. 2 at C according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 101. foundation piles; 102. a card slot; 103. a groove;

2. a ramp plate; 201. a rain collecting plate; 2011. a rain collecting groove; 2012. a filter plate;

3. a central processing unit; 301. a first switch; 302. a second switch; 303. a voice player;

4. a moving member; 401. a limiting box; 402. a telescopic rod; 403. an electric slide rail; 404. an auxiliary member;

5. cleaning the workpiece; 501. a spray head; 502. a chute;

6. a protection component; 601. a light emitting panel; 602. a protection plate; 603. a light emitter; 604. a photoreceptor.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 8:

the invention provides an advertisement display device, which comprises a main body 1;

the top surface of the main body 1 is fixedly and vertically connected with a slope board 2, the lower part of the right side in front is fixedly connected with a central processing unit 3, the bottom is movably connected with a moving part 4, the upper parts of the front side and the rear side are respectively movably connected with a cleaning part 5, and the inside is fixedly connected with a protection component 6;

the middle of the slope plate 2 is high, the front side and the rear side are low, and cameras are fixedly arranged at four corners of the bottom surface of the slope plate respectively;

the central processor 3 is in a rectangular structure with a rounded corner edge;

the moving piece 4 is electrically coupled with the central processing unit 3;

the cleaning pieces 5 are integrally in a cuboid structure and are provided with two groups, and each group of cleaning pieces 5 is in circuit coupling with the central processing unit 3;

the protection component 6 is electrically coupled to the central processor 3.

As shown in fig. 1, the cpu 3 includes:

a first switch 301, the first switch 301 is a circular structure and is installed above the front of the central processor 3;

a second switch 302, the second switch 302 is a circular structure and is installed below the front of the central processor 3;

a voice player 303, the voice player 303 being a rectangular structure and installed at the lower inner portion of the main body 1, when the front of the voice player 303 is exposed at the front of the main body 1 and electrically connected with the central processing unit 3, when the camera detects that people are around, the image information is transmitted to the central processing unit 3 for data processing, then controls the voice player 303 to carry out voice greeting, controls the luminous plate 601 to light up, enhances the visual display effect of the advertisement, when people need to sit through the voice greeting, the first switch 301 is pressed down and the moving piece 4 moves forwards, after the camera can not see portrait information, the moving member 4 is automatically retracted, and after the masses press the second switch 302 for curiosity, the advertisement content is played through a voice form, the display form of the traditional vision presentation is changed, the advertisement content can be displayed from multiple aspects of vision and hearing, so that the advertisement content is more abundant and stereoscopic.

As shown in fig. 2 and 4, the ramp plate 2 includes:

collect rain board 201, collection rain board 201 is equipped with two sets ofly altogether and is the cuboid structure, and collection rain board 201 fixed mounting is both sides around the abat 2, utilizes collection rain board 201 to make when rainy day, and the rainwater can be collected inside abat 2, conveniently utilizes the rainwater to carry out cleaning operation, and resources are saved reaches recycling.

As shown in fig. 3, the moving member 4 includes:

the limiting box 401 is fixedly connected to the left and right outer sides of the moving member 4 and is of a hollow cuboid structure without a back plate;

the telescopic rod 402 is a scissor type telescopic structure rod, and the front end of the telescopic rod 402 is movably clamped inside the limiting box 401;

the electric sliding rail 403 is fixedly arranged inside the groove 103, and is movably clamped with the rear end of the telescopic rod 402;

auxiliary 404, auxiliary 404 fixed connection is at the top surface of moving member 4, and both ends are cylindrical around, the centre is the arc structure, form the bayonet socket between cylindrical structure and the arc structure, after first switch 301 opens, the circuit intercommunication drives telescopic link 402 rear end through electronic slide rail 403 and removes to the centre, promote telescopic link 402 and remove forward and the extension, thereby promote moving member 4 and remove forward, make the masses can take one's seat, make the device possess interactive function, attract the eyeball, in order to reach the mesh of propagating.

As shown in fig. 5 and 8, the main body 1 includes:

the foundation piles 101 are of a cuboid structure and are provided with two groups, and the foundation piles 101 are fixedly connected to the bottom surfaces of the left and right columns of the main body 1 and buried below the ground;

the clamping groove 102 is arranged on the bottom surface of the main body 1 and is of a cuboid structure;

recess 103, recess 103 are the cuboid structure and establish in main part 1 about stand opposite face one side, utilize foundation pile 101 to make main part 1 more firm, avoid empting, inside draw-in groove 102 made auxiliary 404 can accomodate into main part 1 below, practice thrift the space, recess 103 makes spacing box 401 can accomodate into main part 1 below left and right sides, reduces moving member 4 occupation space, does not influence the back-and-forth movement of moving member 4 simultaneously.

As shown in fig. 3, the rain collecting plate 201 includes:

a rain collecting groove 2011, the cross section of the rain collecting groove 2011 is of a rectangular structure and is communicated with the inside of the rain collecting plate 201;

filter 2012, filter 2012 are rectangle structure and fixed connection in the bottom surface that collects rain board 201 to the top surface of 5 is washd in the bottom intercommunication, and the rainwater flows through and flows to filter 2012 top after collection rain groove 2011, filters through filter plate 2012 and collects inside 2 sloping plates, and finally flows into inside 5 washings, conveniently utilizes the rainwater to wash the operation.

As shown in fig. 6, the protection assembly 6 includes:

the LED lamp comprises light-emitting plates 601, wherein the light-emitting plates 601 are provided with two groups, LED lamp beads are arranged on the surfaces of the two groups of light-emitting plates 601, and the surfaces of the two groups of light-emitting plates 601, which are provided with the LED lamp beads, are deviated from each other and are fixedly arranged in the middle of the inside of the main body 1;

the protective plate 602, the protective plate 602 has two groups of transparent waterproof boards altogether, and the protective plate 602 is fixedly installed outside the luminescent plate 601, but is located inside the cleaning piece 5;

light emitters 603, one of the three light emitters 603 is fixedly arranged in the middle of the top end of the front light-emitting plate 601, the other two light emitters are respectively fixedly arranged on the left side and the right side of the front light-emitting plate 601, and the light emitter 603 on the other side is in mirror symmetry with the inner central line of the main body 1 as an axis;

the photoreceptor 604, photoreceptor 604 are circular structure and correspond with illuminator 603 position, and photoreceptor 604 fixed mounting is in the outside of protection shield 602, and after central processing unit 3 sent the instruction of shining, luminescent plate 601 lightened according to the instruction, reinforcing visual display effect, and when the light beam that illuminator 603 sent can not be received by photoreceptor 604, it needs to wash to explain that there is the spot on protection shield 602 surface, and simultaneously photoreceptor 604 gives central processing unit 3 with signal transmission.

As shown in fig. 7, the cleaning member 5 is movably clamped to the sliding grooves 502, the sliding grooves 502 are fixedly connected to the left and right sides of the front surface of the main body 1, and the cleaning member 5 comprises:

shower nozzle 501, shower nozzle 501 is cylindrical structure and fixed mounting inside the bottom of rinsing 5, and shower nozzle 501 is the tilt state, after central processing unit 3 sent the clear instruction of needs, rinse 5 and pass through spout 502 downstream, shower nozzle 501 will rinse 5 inside water jets out simultaneously, reach abluent purpose, after rinsing 5 reaches the bottom and accomplishes the washing simultaneously, central processing unit 3 sends out the instruction of weathering, and drive and rinse 5 and move up, shower nozzle 501 blowout air weathers the moisture on protection shield 602 surface simultaneously, reach air-dried purpose, and accomplish the washing.

In another embodiment, the slope plate 2 can be replaced by a solar cell panel and supplies power to the central processing unit 3, and a flexible water pipe is arranged inside the cleaning piece 5 and is communicated with an underground water cargo fire hydrant, so that the device utilizes clean energy, and meanwhile, the water source of the cleaning piece 5 can be ensured to be sufficient.

The specific use mode and function of the embodiment are as follows:

according to the invention, when a camera detects people around, image information is transmitted to the central processing unit 3 for data processing, then the voice player 303 is controlled to carry out voice greeting, and meanwhile, the light-emitting plate 601 is controlled to light up, so that the visual display effect of advertisements is enhanced, when people need to sit through the voice greeting, the circuit is communicated after the first switch 301 is pressed down, the rear end of the telescopic rod 402 is driven to move towards the middle through the electric sliding rail 403, the telescopic rod 402 is pushed to move forwards and extend, so that the moving member 4 is pushed to move forwards, so that the people can sit, when the people press the second switch 302 curiously, the advertisement content is played in a voice mode, the display mode presented by the traditional vision is changed, the display can be carried out from multiple aspects of vision and hearing, and the advertisement content is more abundant and three-dimensional;

when the light beam that illuminator 603 sent can not be received by photoreceptor 604, it needs to wash to explain that there is the spot on protection shield 602 surface, photoreceptor 604 gives central processing unit 3 with signal transmission simultaneously, after central processing unit 3 sent the clear instruction of needs, wash 5 through spout 502 downstream, shower nozzle 501 sprays the inside water of washing 5 simultaneously, reach abluent purpose, after washing 5 reaches the bottom and accomplishes the washing simultaneously, central processing unit 3 sends out and weathers the instruction, and drive washing 5 and move up, shower nozzle 501 spouts the air and weathers the moisture on protection shield 602 surface simultaneously, reach air-dried purpose, and accomplish and wash.

It should be noted that the central processing unit 3 is a CPU and a PLC controller for data processing and circuit control.

The invention is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. An advertisement display device, characterized in that: comprises a main body (1);

the top surface of the main body (1) is fixedly and vertically connected with a slope plate (2), the lower part of the right side in the front is fixedly connected with a central processing unit (3), the bottom is movably connected with a moving part (4), the upper parts of the front side and the rear side are respectively movably connected with a cleaning part (5), and the inside is fixedly connected with a protection component (6);

the middle of the slope plate (2) is high, the front side and the rear side are low, and cameras are fixedly arranged at four corners of the bottom surface of the slope plate respectively;

the central processor (3) is in a rectangular structure with rounded edges;

the moving part (4) is coupled with the central processing unit (3) in a circuit way;

the cleaning parts (5) are integrally in a cuboid structure and are provided with two groups, and each group of cleaning parts (5) is in circuit coupling with the central processing unit (3);

the protection component (6) is coupled with the central processing unit (3) in a circuit mode.

2. An advertising display device according to claim 1, wherein the body (1) comprises:

the foundation piles (101) are of rectangular structures and are provided with two groups, and the foundation piles (101) are fixedly connected to the bottom surfaces of the left and right columns of the main body (1) and buried under the ground;

the clamping groove (102), the clamping groove (102) is arranged on the bottom surface of the main body (1) and is of a cuboid structure;

the groove (103) is of a cuboid structure and is arranged on one side of the opposite surface of the left and right columns of the main body (1).

3. An advertising display device according to claim 1, wherein the ramp (2) comprises:

rain collecting plates (201) are arranged, the rain collecting plates (201) are two groups and are of cuboid structures, and the rain collecting plates (201) are fixedly installed on the front side and the rear side of the slope plate (2).

4. An advertising display device according to claim 3, wherein the rain-collecting plate (201) comprises:

the cross section of the rain collecting groove (2011) is of a rectangular structure and is communicated to the inside of the rain collecting plate (201);

the filter plate (2012), filter plate (2012) are the rectangle structure and fixed connection in the bottom surface of rain collecting plate (201) to the top surface of bottom intercommunication cleaning member (5).

5. An advertising display device according to claim 1, wherein the central processor (3) comprises:

the first switch (301), the first switch (301) is the round structure and is installed above the front of the central processing unit (3);

the second switch (302), the second switch (302) is the round structure and is installed under the front of the central processing unit (3);

the voice player (303), the voice player (303) is the rectangular structure and installs in the inside lower place of main part (1), when the preceding of voice player (303) exposes in the front of main part (1), and with central processing unit (3) electrical connection.

6. An advertising display device according to claim 1, wherein the moving member (4) comprises:

the limiting box (401) is fixedly connected to the left outer side and the right outer side of the moving piece (4) and is of a hollow cuboid structure without a back plate;

the telescopic rod (402) is a scissor type telescopic structure rod, and the front end of the telescopic rod (402) is movably clamped in the limiting box (401);

the electric sliding rail (403), the electric sliding rail (403) is fixedly arranged in the groove (103), and is movably clamped with the rear end of the telescopic rod (402);

auxiliary member (404), auxiliary member (404) fixed connection is at the top surface of moving member (4) to both ends are cylindrical around, and the centre is the arc structure, forms the bayonet socket between cylindrical structure and the arc structure.

7. An advertisement displaying device according to claim 1, wherein the cleaning member (5) is movably clamped with the sliding groove (502), the sliding groove (502) is fixedly connected with the left and right sides of the front of the main body (1), and the cleaning member (5) comprises:

the spray head (501) is of a cylindrical structure and is fixedly installed inside the bottom end of the cleaning piece (5), and the spray head (501) is in an inclined state.

8. An advertising display device according to claim 1, wherein the protective member (6) comprises:

luminescent plate (601), luminescent plate (601) are equipped with two sets ofly altogether and the surface is equipped with LED lamp pearl, and just one side that two sets of luminescent plate (601) were equipped with LED lamp pearl deviates from mutually to equal fixed mounting is in the middle of the inside of main part (1).

9. An advertising display device according to claim 8, wherein the protective member (6) further comprises:

the protective plate (602) is provided with two groups of transparent waterproof plates, and the protective plate (602) is fixedly arranged on the outer side of the luminous plate (601) and is positioned on the inner side of the cleaning piece (5).

10. An advertising display device according to claim 1, wherein the protective member (6) further comprises:

one of the three groups of light emitters (603) on one side is fixedly arranged in the middle of the top end of the front light-emitting plate (601), the other two light emitters are respectively fixedly arranged on the left side and the right side of the front light-emitting plate (601), and the light emitter (603) on the other side is in mirror symmetry with the inner central line of the main body (1) as an axis;

the photoreceptor (604) is in a circular structure and corresponds to the position of the light emitter (603), and the photoreceptor (604) is fixedly arranged on the outer side of the protective plate (602).