DTMB emergency broadcasting device

Abstract

The utility model relates to the technical field of emergency broadcasting devices, and discloses a DTMB emergency broadcasting device, which comprises a box body, first servo motors are arranged in the middle parts of the upper ends of the two sides in the box body, and the output ends of the first servo motors are fixedly connected with first threaded rods. When the device is used, the arranged first servo motor drives the first threaded rod to rotate, so that the protection plates on the two sides can be folded, and meanwhile, the arranged second servo motor drives the second threaded rod to rotate, so that the protection plates on the two sides can be folded. The lifting seat and the emergency broadcasting device body at the upper end slide out of the interior of the box body, after use is completed, the emergency broadcasting device body is stored in the box body by reversely rotating the first threaded rod and the second threaded rod, and the emergency broadcasting device body is protected through the protection plate; the service life of the emergency broadcasting device body can be effectively prolonged in case of no emergency, and the possibility of damage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of emergency broadcasting devices, in particular to a DTMB emergency broadcasting device. Background Art

[0002] Emergency broadcasting refers to an important authoritative channel and important means for the government to release emergency messages to the public, provide information services, and assist in disaster relief and rescue in the event of natural disasters, accidents, disasters, public health, social security and other public emergencies. Emergency broadcasting terminals are electronic devices used to receive daily broadcasting and emergency broadcasting signals. Emergency broadcasting devices are usually equipped with DTMB modules, which refer to digital terrestrial broadcasting.

[0003] In the prior art, most emergency broadcast devices usually do not have an external protective structure when in use, which means that in non-emergency situations, the device is always exposed and easily corroded and damaged by the external environment. In addition, due to the lack of protection, the device may be subject to unauthorized misoperation, resulting in a waste of resources.

[0004] Therefore, those skilled in the art provide a DTMB emergency broadcasting device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a DTMB emergency broadcasting device is proposed. When the device is in use, the first servo motor drives the first threaded rod to rotate, so that the protective plates on both sides can be folded, and the second servo motor drives the second threaded rod to rotate at the same time, so that the lifting seat and the upper emergency broadcasting device body slide out from the inside of the box. After use, the first threaded rod and the second threaded rod are rotated in the opposite direction to store the emergency broadcasting device body into the box, and the protective plate is used to protect it. The service life of the emergency broadcasting device body can be effectively extended in the absence of an emergency, and the possibility of damage can be reduced. At the same time, unauthorized misoperation or use can be avoided, ensuring that the device is enabled only when needed, avoiding unnecessary interference or waste of resources.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A DTMB emergency broadcasting device, comprising a box body, wherein first servo motors are arranged at the middle of the upper ends of both sides inside the box body, the output ends of the first servo motors are fixedly connected to first threaded rods, the outer upper ends of the two first threaded rods are sleeved with first sleeves, the outer walls of the two first sleeves are fixedly connected to connecting rods on both sides, one end surface of a plurality of connecting rods is rotatably connected to support rods, the upper ends of the plurality of support rods are rotatably connected to protective plates, a second servo motor is arranged at the middle of the lower end inside the box body, the output end of the second servo motor is sleeved with two driving wheels on the outside, the outsides of the two driving wheels are sleeved with transmission belts, the other sides of the insides of the two transmission belts are sleeved with driven wheels, the insides of the two driven wheels are sleeved with second threaded rods, the outer lower ends of the two second threaded rods are sleeved with second sleeves, and a lifting seat is fixedly connected between the two second sleeves;

[0008] A third servo motor is arranged in the middle of the lifting seat, and a rotating disk is fixedly connected to the output end of the third servo motor. A fourth servo motor is arranged in the middle of the rotating disk, and a gear is sleeved on the outer side of the output end of the fourth servo motor. An arc-shaped rack plate is meshed and connected to the upper end of the gear, and an emergency broadcast device body is arranged on the upper end of the arc-shaped rack plate;

[0009] Through the above technical solution, when the device is in use, the first servo motor drives the first threaded rod to rotate, so that the protective plates on both sides can be folded, and the second servo motor drives the second threaded rod to rotate at the same time, so that the lifting seat and the upper emergency broadcast device body slide out from the inside of the box. After use, the emergency broadcast device body is stored in the box by rotating the first threaded rod and the second threaded rod in the opposite direction, and is protected by the protective plate. The service life of the emergency broadcast device body can be effectively extended in the absence of an emergency, and the possibility of damage can be reduced. At the same time, unauthorized misoperation or use can be avoided, ensuring that the device is only enabled when needed, avoiding unnecessary interference or waste of resources.

[0010] Furthermore, one end surface of each of the two protection plates is rotatably connected to the upper end of one end surface inside the box;

[0011] Through the above technical solution, the protective plate can be quickly opened or closed when needed through the rotating connection, which is convenient for operators to adjust or operate the equipment, thereby improving the convenience and efficiency of operation.

[0012] Furthermore, a sealing strip is provided on one end surface of the two protective plates;

[0013] Through the above technical solution, the sealing strip can effectively prevent external impurities such as dust and water vapor from entering the interior of the equipment, protect the equipment from pollution and corrosion, and extend the service life of the equipment.

[0014] Furthermore, a bracket is provided at the upper end of the rotating disk, and the inner upper end of the bracket is rotatably connected to the arc-shaped rack plate;

[0015] Through the above technical solution, the bracket can provide stable support to ensure that the arc-shaped rack plate remains stable during operation, avoid shaking or instability, and improve the reliability and stability of the equipment.

[0016] Furthermore, a rolling groove is provided on the outer portion of the upper end of the lifting seat, and a roller is provided on the outer portion of the lower end of the rotating disk, and the roller is rollingly connected to the rolling groove;

[0017] Through the above technical solution, the rollers and the rolling grooves can make the rotating disk move smoothly during the rotation process, reduce the vibration and noise caused by friction or uneven surfaces, and improve the stability and comfort of the equipment.

[0018] Furthermore, both sides of the two end surfaces of the box body are provided with slide grooves, and both sides of the two end surfaces of the lifting seat are fixedly connected with sliders, and a plurality of the sliders are slidably connected to the slide grooves;

[0019] Through the above technical solution, the slider and the slide groove can provide stable support, so that the lifting seat can remain stable when moving up and down, and is not prone to shaking or tilting, thereby improving the stability of the equipment.

[0020] Furthermore, a controller is provided on one side of the upper end of the box, and a battery is provided in the middle of the lower end of the box. The battery and the controller, the first servo motor, the second servo motor, the third servo motor, the fourth servo motor, and the emergency broadcast device body are all electrically connected;

[0021] Through the above technical solution, through electrical connection, the controller can centrally manage and control various components, achieve unified control and coordination, facilitate overall monitoring and adjustment, and improve the management efficiency of the system.

[0022] Furthermore, universal wheels are provided at the four corners of the lower end of the box;

[0023] Through the above technical solution, the universal wheels can make the box easily move on the ground, whether on a flat ground or a ground with obstacles, it can be flexibly rotated and moved, thereby improving the mobility of the box.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a DTMB emergency broadcast device. Compared with the existing emergency broadcast device, when the emergency broadcast device is in use, the first servo motor drives the first threaded rod to rotate, so that the protective plates on both sides can be folded, and the second servo motor drives the second threaded rod to rotate, so that the lifting seat and the upper emergency broadcast device body slide out from the inside of the box. After use, the first threaded rod and the second threaded rod are rotated in the opposite direction to store the emergency broadcast device body into the box, and the protective plate is used to protect it. The service life of the emergency broadcast device body can be effectively extended in the absence of an emergency, and the possibility of damage can be reduced. At the same time, unauthorized misoperation or use can be avoided, ensuring that the device is only activated when needed, avoiding unnecessary interference or waste of resources.

[0026] 2. The utility model proposes a DTMB emergency broadcast device. Compared with the existing emergency broadcast device, when the emergency broadcast device is in use, the third servo motor is used to drive the rotating disk to rotate, and the fourth servo motor is used to drive the emergency broadcast device body to rotate at an inclined angle. The direction and height of the emergency broadcast device body can be adjusted to control the propagation direction of the sound, so as to more effectively cover the target area, improve the pertinence and effect of the broadcast, ensure that the information is transmitted to more people, and improve the response efficiency in emergency situations. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric diagram of a DTMB emergency broadcasting device proposed by the utility model;

[0028] Figure 2 A side sectional view of a DTMB emergency broadcasting device proposed by the utility model;

[0029] Figure 3 A front cross-sectional view of a DTMB emergency broadcasting device proposed in the utility model;

[0030] Figure 4 A top-sectional view of a DTMB emergency broadcasting device proposed in the utility model;

[0031] Figure 5 The utility model provides a schematic diagram of the internal structure of a rotating disk of a DTMB emergency broadcasting device.

[0032] Legend:

[0033] 1. Box body; 2. Controller; 3. Battery; 4. Universal wheel; 5. First servo motor; 6. First threaded rod; 7. First sleeve; 8. Connecting rod; 9. Support rod; 10. Protective plate; 11. Sealing strip; 12. Second servo motor; 13. Driving wheel; 14. Transmission belt; 15. Driven wheel; 16. Second threaded rod; 17. Second sleeve; 18. Lifting seat; 19. Third servo motor; 20. Rotating plate; 21. Fourth servo motor; 22. Gear; 23. Arc rack plate; 24. Bracket; 25. Emergency broadcast device body; 26. Rolling groove; 27. Roller; 28. Slide groove; 29. ​​Slider. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-5 , a specific implementation mode provided by the utility model: a DTMB emergency broadcasting device, comprising a box body 1, a first servo motor 5 is arranged at the middle of the upper ends of both sides of the interior of the box body 1, the output end of the first servo motor 5 is fixedly connected with a first threaded rod 6, the outer upper ends of the two first threaded rods 6 are sleeved with a first sleeve 7, the outer walls of the two first sleeves 7 are fixedly connected with connecting rods 8 on both sides, one side of the end faces of the multiple connecting rods 8 are rotatably connected with support rods 9, and the upper ends of the multiple support rods 9 are rotatably connected with protective plates 10, a second servo motor 12 is arranged at the middle of the lower end of the interior of the box body 1, the output end of the second servo motor 12 is sleeved with two driving wheels 13 on the outside, the two driving wheels 13 are sleeved with transmission belts 14 on the outside, the other sides of the two transmission belts 14 are sleeved with driven wheels 15, the insides of the two driven wheels 15 are sleeved with second threaded rods 16, the outer lower ends of the two second threaded rods 16 are sleeved with second sleeves 17, and a lifting seat 18 is fixedly connected between the two second sleeves 17;

[0036] A third servo motor 19 is provided in the middle of the lifting seat 18, and a rotating disk 20 is fixedly connected to the output end of the third servo motor 19. A fourth servo motor 21 is provided in the middle of the rotating disk 20. A gear 22 is sleeved on the output end of the fourth servo motor 21. An arc-shaped rack plate 23 is meshed and connected to the upper end of the gear 22. An emergency broadcast device body 25 is provided on the upper end of the arc-shaped rack plate 23. When the device is in use, the first servo motor 5 drives the first threaded rod 6 to rotate, so that the protective plates 10 on both sides can be folded. At the same time, the second servo motor 5 is provided. The motor 12 drives the second threaded rod 16 to rotate, so that the lifting seat 18 and the emergency broadcast device body 25 at the upper end slide out from the inside of the box 1. After use, the emergency broadcast device body 25 is stored in the box 1 by rotating the first threaded rod 6 and the second threaded rod 16 in the opposite direction, and is protected by the protective plate 10. It can effectively extend the service life of the emergency broadcast device body 25 in the absence of an emergency, reduce the possibility of damage, and avoid unauthorized misoperation or use, ensuring that the device is only enabled when needed, avoiding unnecessary interference or waste of resources.

[0037] One side end surface of the two protective plates 10 is rotatably connected to the upper end of one side end surface of the inner side of the box body 1. Through the rotatable connection, the protective plates 10 can be quickly opened or closed when needed, which is convenient for operators to adjust or operate the equipment, and improves the convenience and efficiency of operation. One side end surface of the two protective plates 10 is provided with a sealing strip 11, and the sealing strip 11 can effectively prevent external impurities such as dust and water vapor from entering the interior of the equipment, protect the equipment from pollution and corrosion, and extend the service life of the equipment. A bracket 24 is provided at the upper end of the rotating disk 20, and the inner upper end of the bracket 24 is rotatably connected to the arc-shaped rack plate 23. The bracket 24 can provide a stable support to ensure that the arc-shaped rack plate 23 remains stable during operation, avoids shaking or instability, and improves the reliability and stability of the equipment. A rolling groove 26 is provided on the outer side of the upper end of the lifting seat 18, and a roller 27 is provided on the outer side of the lower end of the rotating disk 20. The roller 27 is rollingly connected to the rolling groove 26. The roller 27 and the rolling groove 26 can make the rotating disk 20 move smoothly during rotation, reduce the vibration and noise caused by friction or uneven surfaces, and improve the equipment. In order to improve the stability and comfort of the equipment, both sides of the two end surfaces of the box body 1 are provided with slide grooves 28, and both sides of the two end surfaces of the lifting seat 18 are fixedly connected with sliders 29, and multiple sliders 29 are slidably connected with the slide grooves 28. The sliders 29 and the slide grooves 28 can provide a stable support, so that the lifting seat 18 can remain stable when moving up and down, and it is not easy to shake or tilt, thereby improving the stability of the equipment. A controller 2 is arranged on one side of the upper end of the box body 1, and a battery 3 is arranged in the middle of the lower end of the box body 1. The battery 3 and the controller 2, the first servo motor 5, and the second The servo motor 12, the third servo motor 19, the fourth servo motor 21, and the emergency broadcast device body 25 are all electrically connected. Through the electrical connection, the controller 2 can centrally manage and control each component, realize unified control and coordination, facilitate overall monitoring and adjustment, and improve the management efficiency of the system. Universal wheels 4 are provided at the four corners of the lower end of the box 1. The universal wheels 4 can make the box 1 move easily on the ground. Whether it is on a flat ground or a ground with obstacles, it can be flexibly rotated and moved, thereby improving the mobility of the box 1.

[0038] Working principle: When the device is in use, the operator pushes the box 1 to the working position for placement. In an emergency, the first servo motor 5 is used to drive the first threaded rod 6 to rotate, so that the protective plates 10 on both sides can be folded. At the same time, the second servo motor 12 is used to drive the second threaded rod 16 to rotate, so that the lifting seat 18 and the upper emergency broadcast device body 25 slide out from the inside of the box 1. After the emergency broadcast device body 25 is extended, the third servo motor 19 is used to drive the rotating disk 20 to rotate, and the fourth servo motor 21 is used to drive the emergency broadcast device body 25 to rotate the tilt angle, so that the emergency broadcast can be adjusted. The pointing direction and height of the emergency broadcast device body 25 can be controlled to control the propagation direction of the sound, which can more effectively cover the target area, improve the pertinence and effect of the broadcast, ensure that the information is transmitted to more people, and improve the efficiency of emergency response. After use, the emergency broadcast device body 25 can be stored in the box body 1 by rotating the first threaded rod 6 and the second threaded rod 16 in the opposite direction, and protected by the protective plate 10. The service life of the emergency broadcast device body 25 can be effectively extended in the absence of an emergency, and the possibility of damage can be reduced. At the same time, unauthorized misoperation or use can be avoided, ensuring that the device is enabled only when needed, avoiding unnecessary interference or waste of resources.

[0039] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions recorded in the aforementioned specific implementation methods, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A DTMB emergency broadcasting device, comprising a housing (1), characterized in that: A first servo motor (5) is provided at the middle of the upper ends of both sides of the interior of the box (1); the output ends of the first servo motors (5) are fixedly connected to first threaded rods (6); the outer upper ends of the two first threaded rods (6) are sleeved with first sleeves (7); the outer walls of the two first sleeves (7) are fixedly connected to connecting rods (8); one side of the end faces of the plurality of connecting rods (8) are rotatably connected to support rods (9); the upper ends of the plurality of support rods (9) are rotatably connected to protective plates (10); the lower end of the interior of the box (1) is A second servo motor (12) is arranged in the middle part, two driving wheels (13) are sleeved on the outside of the output end of the second servo motor (12), a transmission belt (14) is sleeved on the outside of the two driving wheels (13), a driven wheel (15) is sleeved on the other side of the inside of the two transmission belts (14), a second threaded rod (16) is sleeved on the inside of the two driven wheels (15), a second sleeve (17) is sleeved on the outer lower end of the two second threaded rods (16), and a lifting seat (18) is fixedly connected between the two second sleeves (17); A third servo motor (19) is arranged in the middle of the interior of the lifting seat (18); the output end of the third servo motor (19) is fixedly connected to a rotating disk (20); a fourth servo motor (21) is arranged in the middle of the interior of the rotating disk (20); a gear (22) is sleeved on the outside of the output end of the fourth servo motor (21); the upper end of the gear (22) is meshingly connected to an arc-shaped rack plate (23); and the upper end of the arc-shaped rack plate (23) is arranged with an emergency broadcast device body (25).

2. A DTMB emergency broadcasting device according to claim 1, characterized in that: One end surface of each of the two protection plates (10) is rotatably connected to the upper end of one end surface inside the box body (1).

3. A DTMB emergency broadcasting device according to claim 1, characterized in that: A sealing strip (11) is provided on one end surface of the two protection plates (10).

4. A DTMB emergency broadcasting device according to claim 1, characterized in that: A bracket (24) is provided at the upper end of the rotating disk (20), and the inner upper end of the bracket (24) is rotatably connected to the arc-shaped rack plate (23).

5. A DTMB emergency broadcasting device according to claim 1, characterized in that: A rolling groove (26) is provided on the outer side of the upper end of the lifting seat (18), and a roller (27) is provided on the outer side of the lower end of the rotating disk (20), and the roller (27) is rollingly connected to the rolling groove (26).

6. A DTMB emergency broadcasting device according to claim 1, characterized in that: Both sides of the end surfaces of the box body (1) are provided with sliding grooves (28), and both sides of the end surfaces of the lifting seat (18) are fixedly connected with sliding blocks (29), and a plurality of the sliding blocks (29) are slidably connected to the sliding grooves (28).

7. A DTMB emergency broadcasting device according to claim 1, characterized in that: A controller (2) is arranged on one side of the upper end of the box (1), and a storage battery (3) is arranged in the middle of the lower end of the box (1). The storage battery (3) and the controller (2), the first servo motor (5), the second servo motor (12), the third servo motor (19), the fourth servo motor (21), and the emergency broadcast device body (25) are all electrically connected.

8. A DTMB emergency broadcasting device according to claim 1, characterized in that: Universal wheels (4) are arranged at the four corners of the lower end of the box body (1).

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