Antitheft photoelectric alarm demonstration device for teaching

Abstract

The utility model relates to the technical field of teaching appliances, and discloses an antitheft photoelectric alarm demonstration device for teaching, which comprises a bottom plate, a protector and a buzzer, a demonstration box is fixedly mounted at the top of the bottom plate, a push plate is arranged in the demonstration box, a mounting frame is fixedly connected to the top of the push plate, a demonstration plate is fixedly mounted in the mounting frame, and the bottom of the bottom plate is fixedly connected with the bottom plate. The anti-theft photoelectric alarm demonstration device comprises a demonstration box and a buzzer, the demonstration box is internally provided with an anti-theft photoelectric alarm demonstration board, the protector and the buzzer are both fixedly installed outside the demonstration board, a demonstration screen is fixedly installed above the demonstration board, the interior of the demonstration box is provided with a lifting assembly, and the exterior of the demonstration box is fixedly provided with an alarm lamp. The demonstration screen can display the operation process of the demonstration board in real time, the protection box can protect the internal structure of the demonstration board, the service life of the structures such as the demonstration board can be prolonged, and repeated use and storage management are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching tools, in particular to an anti-theft photoelectric alarm demonstration device for teaching. Background Art

[0002] The burglar alarm system refers to a device that triggers an alarm when there is an illegal intrusion into the defense area. It is used to send out a signal of a dangerous situation. The burglar alarm system uses detectors to deploy defenses at important locations and areas inside and outside the building. It can detect illegal intrusions in a timely manner, and when illegal intrusions are detected, it will promptly warn relevant personnel and send out an alarm signal through the alarm device.

[0003] With the development of life, anti-theft photoelectric alarm devices are becoming more and more common in life. In teaching, teachers need to conduct teaching demonstration training for students to increase their knowledge. After searching, a teaching demonstration door and window laser anti-theft alarm device proposed by the publication number CN210667419U includes a laser emitting mechanism, a detection alarm mechanism, a bearing, a laser emitting head, a second switch, a first bottom plate and a battery compartment. By setting a variable resistor, the sensitivity of the device can be adjusted, and the light range applicable to the device can be adjusted, so that the device can realize the anti-theft alarm function in a variety of environments.

[0004] The device has a simple structure and a simple principle, which makes it easy for students to learn and understand the principle. However, the demonstration process of the device cannot be synchronized to the display screen, which is not conducive to students discovering problems in a timely manner, and it is not convenient to store as a teaching aid. For this reason, we propose a teaching anti-theft photoelectric alarm demonstration device to solve the above-mentioned drawbacks. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-theft photoelectric alarm demonstration device for teaching in order to solve the above-mentioned problems. Through the cooperation of the demonstration board and the demonstration screen, the operation process of the demonstration board can be displayed in real time. The demonstration box solves the problems mentioned in the background technology that the demonstration process cannot be displayed and the tools are inconvenient to store.

[0006] In order to solve the above problems, the utility model provides a technical solution:

[0007] A teaching anti-theft photoelectric alarm demonstration device comprises a base plate, a protector and a buzzer, a demonstration box is fixedly installed on the top of the base plate, a push plate is provided inside the demonstration box, a mounting frame is fixedly connected to the top of the push plate, a demonstration board is fixedly installed inside the mounting frame, the protector and the buzzer are both fixedly installed on the outside of the demonstration board, a demonstration screen is fixedly installed above the demonstration board, a lifting component is provided inside the demonstration box, and an alarm light is fixedly installed outside the demonstration box.

[0008] As a preferred solution of the utility model, the lifting component includes a motor, the motor is fixedly installed on the top of the base plate, the output end of the motor is fixedly connected to a first bevel gear, the first bevel gear is meshingly connected to a second bevel gear, the second bevel gear is rotatably connected to the inner wall of the demonstration box, the second bevel gear is coaxially fixedly connected to a bidirectional lead screw, and the end of the bidirectional lead screw away from the second bevel gear is rotatably connected to the inner wall of the demonstration box.

[0009] As a preferred solution of the utility model, the external thread of the bidirectional screw is connected to two moving blocks, the top ends of the two moving blocks are rotatably connected to connecting rods, the end of the connecting rod away from the moving block is rotatably connected to a fixed block, and the top ends of the two fixed blocks are fixedly connected to the push plates.

[0010] As a preferred solution of the utility model, both side walls of the demonstration box are provided with sliding grooves, the interiors of the two sliding grooves are slidably connected to sliders, and the two sliders are fixedly connected to the push plate.

[0011] As a preferred solution of the utility model, two mounting bars are fixedly installed on the outside of the mounting frame, and slide rails are fixedly installed inside the two mounting bars. A slide rod is slidably connected between the two slide rails, and a cleaning wipe is detachably connected to the outside of the slide rod. The demonstration screen is located between the two mounting bars.

[0012] As a preferred solution of the utility model, a switch is fixedly installed on the outer surface of the demonstration board and at one end close to the mounting frame, and a control panel is fixedly installed on the outer surface of the demonstration box. The motor, demonstration board, demonstration screen, alarm light, protector, switch and buzzer are all electrically connected to the control panel.

[0013] The beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a demonstration box, an alarm light, a demonstration board, a demonstration screen and other structures. The interior of the demonstration board is an anti-theft photoelectric alarm demonstration board. The demonstration screen can display the operation process of the demonstration board in real time. When an error occurs in the demonstration, the alarm light will sound an alarm to remind the user that an error has occurred. When the demonstration is correct, the buzzer will automatically sound an alarm to indicate that the demonstration is correct. The protective box can protect its internal structure, which can increase the service life of the demonstration board and other structures, facilitate multiple uses, and facilitate storage and management;

[0015] 2. The utility model is provided with a lifting assembly, which can automatically display the demonstration board and demonstration screen inside the installation frame through the cooperation of the motor, the first bevel gear, the second bevel gear, the bidirectional screw rod and other structures, so as to facilitate the user to observe and use;

[0016] 3. The utility model cooperates with the installation strip, the slide rail, the slide rod and the cleaning wipe, and the surface of the demonstration screen can be cleaned by sliding the cleaning wipe to prevent dust from falling, making it convenient for users to clean the demonstration screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a sectional view of the overall structure of the utility model;

[0020] Figure 3 yes Figure 2 The corresponding enlarged image is at A in the middle;

[0021] Figure 4 yes Figure 1 The corresponding enlarged image is shown in B.

[0022] In the figure: 1. bottom plate; 2. demonstration box; 3. motor; 4. first bevel gear; 5. second bevel gear; 6. slide groove; 7. slider; 8. bidirectional screw rod; 9. moving block; 10. push plate; 11. installation frame; 12. demonstration board; 13. demonstration screen; 14. connecting rod; 15. fixing block; 16. control panel; 17. alarm light; 18. protector; 19. switch; 20. buzzer; 21. slide rail; 22. slide rod; 23. cleaning wipe; 24. installation bar; 25. lifting assembly. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] Example

[0025] See also Figure 1-Figure 3The utility model provides a technical solution: a teaching anti-theft photoelectric alarm demonstration device, including a bottom plate 1, the bottom plate 1 is made of wood, a protector 18 and a buzzer 20, the protector 18 can protect the safety of electricity use, the buzzer 20 is a small electronic buzzer, and the alarm sound is sounded by the buzzer 20 when the demonstration is correct, a demonstration box 2 is fixedly installed on the top of the bottom plate 1, the demonstration box 2 can be made of wood, and other materials can also be used instead, a push plate 10 is arranged inside the demonstration box 2, the top of the push plate 10 is fixedly connected with a mounting frame 11, and a demonstration board 12 is fixedly installed inside the mounting frame 11, and the inside of the demonstration board 12 is a protector 18 and a buzzer 20 are fixedly installed on the demonstration board 12 On the outside of the demonstration box 2, a demonstration screen 13 is fixedly installed above the demonstration board 12, and the power supply connecting the demonstration board 12 and the demonstration screen 13 is connected inside the installation frame 11. The inside of the demonstration board 12 is an anti-theft photoelectric alarm demonstration system, and a power connector is provided inside for users to practice (not shown in the figure). The demonstration screen 13 can display the operation process of the demonstration board 12 in real time. When the demonstration is correct, the buzzer 20 will automatically sound an alarm to indicate that the demonstration is correct. The inside of the demonstration box 2 is provided with a lifting component 25, and the outside of the demonstration box 2 is fixedly installed with an alarm light 17. When an error occurs in the demonstration, the alarm light 17 will sound an alarm to remind the user that an error occurs, which is conducive to the user to discover and adjust in time.

[0026] Furthermore, the lifting component 25 includes a motor 3, the model of the motor 3 is selected according to the size of the demonstration box 2, the motor 3 is fixedly installed on the top of the base plate 1, the output end of the motor 3 is fixedly connected to the first bevel gear 4, the first bevel gear 4 is meshingly connected to the second bevel gear 5, the second bevel gear 5 is rotatably connected to the inner wall of the demonstration box 2, the second bevel gear 5 is coaxially fixedly connected to a bidirectional screw rod 8, the end of the bidirectional screw rod 8 away from the second bevel gear 5 is rotatably connected to the inner wall of the demonstration box 2, and the first bevel gear 4 and the second bevel gear 5 are meshed with each other, which can drive the bidirectional screw rod 8 to rotate, providing a power source for the bidirectional screw rod 8.

[0027] Furthermore, the external thread of the bidirectional screw rod 8 is connected to two moving blocks 9, and the top ends of the two moving blocks 9 are rotatably connected to connecting rods 14. The connecting rods 14 are made of stainless steel and are strong and durable. The end of the connecting rod 14 away from the moving block 9 is rotatably connected to a fixed block 15. The top ends of the two fixed blocks 15 are fixedly connected to the push plate 10. The two moving blocks 9 are close to each other, so that the two connecting rods 14 drive the push plate 10 upward, which is convenient for users to observe the internal structure of the installation frame 11.

[0028] Furthermore, both side walls of the demonstration box 2 are provided with slide grooves 6, and the interiors of the two slide grooves 6 are slidably connected to sliders 7, and the two sliders 7 are fixedly connected to the push plate 10. Two mounting bars 24 are fixedly installed on the outside of the mounting frame 11, and the interiors of the two mounting bars 24 are fixedly installed with slide rails 21. A slide rod 22 is slidably connected between the two slide rails 21, and a cleaning wipe 23 is detachably connected to the outside of the slide rod 22. The demonstration screen 13 is located between the two mounting bars 24. When dust appears on the surface of the demonstration screen 13, the demonstration screen 13 can be cleaned by moving the cleaning wipe 23. When the cleaning wipe 23 is dirty, it can be removed and replaced. The cleaning wipe 23 can be a sponge or a flexible brush.

[0029] Furthermore, a switch 19 is fixedly installed on the outer surface of the demonstration board 12 and at one end close to the mounting frame 11, and the demonstration board 12 is powered on by the switch 19. A control panel 16 is fixedly installed on the outer surface of the demonstration box 2, and the motor 3, demonstration board 12, demonstration screen 13, alarm light 17, protector 18, switch 19, and buzzer 20 are all electrically connected to the control panel 16.

[0030] In summary: when the device is needed for demonstration, first push the demonstration box 2 into the teaching venue, open the demonstration box 2, and then start the motor 3 through the control panel 16. The motor 3 drives the first bevel gear 4 to rotate, and the first bevel gear 4 is meshed with the second bevel gear 5, driving the bidirectional screw 8 to rotate, thereby driving the two moving blocks 9 outside the bidirectional screw 8 to approach each other, and then the two connecting rods 14 are close to each other, and the push plate 10 is driven upward by the connecting rod 14. At the same time, the sliders 7 at both ends of the push plate 10 drive the push plate 10 upward along the slide groove 6. The sliders 7 can increase the stability of the push plate 10, thereby driving The mounting frame 11 is upward, and when the mounting frame 11 is lifted out of the demonstration box 2 as a whole, the switch 19 on the demonstration board 12 is started to demonstrate the anti-theft photoelectric alarm. At the same time, the demonstration process will appear on the demonstration screen 13. When an error occurs during the demonstration, the alarm light 17 will sound an alarm to remind the user. When the buzzer 20 sounds an alarm, it indicates that the demonstration is successful. When dust appears on the surface of the demonstration screen 13, the cleaning wipe 23 on the surface of the mounting frame 11 can be slid to clean the demonstration screen 13. When the demonstration is over, the mounting frame 11 is stored as a whole through the control panel 16 for next use.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A teaching anti-theft photoelectric alarm demonstration device, comprising a base plate (1), a protector (18) and a buzzer (20), characterized in that: A demonstration box (2) is fixedly mounted on the top of the base plate (1), a push plate (10) is arranged inside the demonstration box (2), a mounting frame (11) is fixedly connected to the top of the push plate (10), a demonstration board (12) is fixedly mounted inside the mounting frame (11), the protector (18) and the buzzer (20) are both fixedly mounted on the outside of the demonstration board (12), a demonstration screen (13) is fixedly mounted above the demonstration board (12), a lifting component (25) is arranged inside the demonstration box (2), and an alarm light (17) is fixedly mounted on the outside of the demonstration box (2).

2. The teaching anti-theft photoelectric alarm demonstration device according to claim 1 is characterized in that: The lifting assembly (25) comprises a motor (3), wherein the motor (3) is fixedly mounted on the top of the base plate (1), wherein the output end of the motor (3) is fixedly connected to a first bevel gear (4), wherein the first bevel gear (4) is meshingly connected to a second bevel gear (5), wherein the second bevel gear (5) is rotationally connected to the inner wall of the demonstration box (2), wherein the second bevel gear (5) is coaxially fixedly connected to a bidirectional lead screw (8), wherein the end of the bidirectional lead screw (8) away from the second bevel gear (5) is rotationally connected to the inner wall of the demonstration box (2).

3. The teaching anti-theft photoelectric alarm demonstration device according to claim 2 is characterized in that: The external thread of the bidirectional screw rod (8) is connected to two moving blocks (9), the top ends of the two moving blocks (9) are rotatably connected to a connecting rod (14), the end of the connecting rod (14) away from the moving block (9) is rotatably connected to a fixed block (15), and the top ends of the two fixed blocks (15) are fixedly connected to the push plate (10).

4. The teaching anti-theft photoelectric alarm demonstration device according to claim 1 is characterized in that: Both side walls of the demonstration box (2) are provided with sliding grooves (6), the interiors of the two sliding grooves (6) are slidably connected to sliders (7), and the two sliders (7) are fixedly connected to the push plate (10).

5. The teaching anti-theft photoelectric alarm demonstration device according to claim 1 is characterized in that: Two mounting bars (24) are fixedly mounted on the outside of the mounting frame (11), and slide rails (21) are fixedly mounted inside the two mounting bars (24). A slide rod (22) is slidably connected between the two slide rails (21), and a cleaning wipe (23) is detachably connected to the outside of the slide rod (22). The demonstration screen (13) is located between the two mounting bars (24).

6. The teaching anti-theft photoelectric alarm demonstration device according to claim 2 is characterized in that: A switch (19) is fixedly mounted on the outer surface of the demonstration board (12) and at one end close to the mounting frame (11); a control panel (16) is fixedly mounted on the outer surface of the demonstration box (2); and the motor (3), the demonstration board (12), the demonstration screen (13), the alarm light (17), the protector (18), the switch (19), and the buzzer (20) are all electrically connected to the control panel (16).

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