CN216352659U

CN216352659U - Air defense warning signal audition device

Info

Publication number: CN216352659U
Application number: CN202123000442.0U
Authority: CN
Inventors: 刘伟; 原钰清; 林鹏飞; 李海彬; 薛圆; 赵军超; 秦晨飞
Original assignee: Hebi People Air Defense Commanding Information Guarantee Center
Current assignee: Hebi People Air Defense Commanding Information Guarantee Center
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-19
Anticipated expiration: 2031-11-29

Abstract

The utility model belongs to the technical field of civil air defense warning devices, and particularly relates to an air defense warning signal audition device which comprises a case, a driving mechanism and a display board, wherein a first key, a second key, a third key, a power switch and a motor switch are arranged on a shell of the case, a horn is arranged at the front end of the case, a slotted hole is formed in the top of the case, the driving mechanism is arranged in the case and comprises a movable plate and two groups of driving components, each driving component comprises a screw rod, a synchronous motor, a vertical bevel gear and a horizontal bevel gear, an output shaft of the synchronous motor is fixedly connected with the vertical bevel gear, the horizontal bevel gear is meshed with the vertical bevel gear, the bottom end of the screw rod is fixedly connected with the horizontal bevel gear, the screw rod penetrates through the movable plate, the left end and the right end of the movable plate are respectively connected to the screw rod in a sliding manner through nut pairs of the corresponding side screw rods, and a fixed seat is fixedly connected above the movable plate, the display board is fixed on the fixing seat. The device can be used in exhibition halls, exhibition halls and other civil air defense propaganda and education places.

Description

Air defense warning signal audition device

Technical Field

The utility model belongs to the technical field of civil air defense warning devices, and particularly relates to an air defense warning signal audition device.

Background

The air defense and disaster prevention information is transmitted to the masses through the air defense alarm, so that the masses are organized and commanded to take effective protective measures, casualties are reduced, and war potential is saved, thereby having very important significance. For distinguishing air defense warning sound better, improve the quick response ability of people's air defense, need an air defense warning signal audition device urgently to carry out people's air defense propaganda and education work in exhibition hall, exhibition room and other people's air defense propaganda and education places.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an air defense warning signal audition device, which comprises a case, a driving mechanism and a display board, wherein a first key, a second key, a third key, a power switch and a motor switch are arranged on a shell of the case, a horn is arranged at the front end of the case, a slotted hole for the display board to pass through is formed in the top of the case, the driving mechanism is arranged in the case and comprises a movable plate and two groups of driving components, the two groups of driving components are respectively arranged at the left end and the right end of the movable plate, the driving components comprise a screw rod, a synchronous motor, a vertical bevel gear and a horizontal bevel gear, gear sleeves are arranged outside the vertical bevel gear and the horizontal bevel gear, the synchronous motor is arranged at the bottom of the case, and an output shaft of the synchronous motor passes through the gear sleeves and is fixedly connected with the vertical bevel gear, and synchronous machine's output shaft and gear sleeve rotate to be connected, horizontal bevel gear is connected with vertical bevel gear meshing, the top of lead screw is rotated and is connected at the top of quick-witted case, the bottom of lead screw pass the gear sleeve and with horizontal bevel gear fixed connection, and the lead screw rotates with the gear sleeve to be connected, the lead screw runs through the fly leaf, the fly leaf level sets up, both ends are connected on the lead screw through the vice sliding connection of nut that corresponds the side lead screw respectively about the fly leaf, the top fixedly connected with fixing base of fly leaf, the show board is fixed on the fixing base, and the position of show board corresponds from top to bottom with the position of slotted hole.

Preferably, the side of the case is provided with a USB socket, an RS232 interface, an RS485 interface and an earphone jack.

Preferably, the top of the case is provided with a handle, so that the case is convenient to carry.

Preferably, the inside of quick-witted case is equipped with two sets of limit switch, and two sets of limit switch divide and establish the left and right sides at quick-witted case, and every limit switch of group all includes limit switch and lower limit switch, and upper limit switch and lower limit switch can carry out spacingly to the upper and lower slip of fly leaf.

The utility model also comprises other components which can enable the air defense warning signal audition device to be normally used, and all the components are conventional technical means in the field. In addition, the devices or components which are not limited in the utility model all adopt the conventional technical means in the field, such as synchronous motors, limit switches and the like.

The working principle of the utility model is that the first key is used for playing or pausing pre-alarm, the second key is used for playing or pausing idle attack alarm, the third key is used for playing or pausing alarm relief, the power switch is used for controlling the current on-off of the whole equipment, and the motor switch is used for controlling the output shafts of the two synchronous motors to rotate forwards or reversely at the same time; on one hand, the staff can switch and audition the sounds of the three air defense alarms by controlling the first key, the second key and the third key, and the sounds are output through a loudspeaker or an earphone; on the other hand, the worker presses the motor switch to enable the output shafts of the two synchronous motors to rotate forwardly at the same time so as to drive the vertical bevel gears to rotate, the vertical bevel gears rotate to drive the meshed horizontal bevel gears to rotate, the horizontal bevel gears rotate to drive the screw rod to rotate, and the movable plate slides upwards, so that the display plate moves upwards until the display plate passes through the slotted hole to be displayed, the double propaganda and education purposes are achieved through sound audition and image-text explanation of the display plate, and the propaganda and education efficiency of the worker is improved; after the propaganda and education work is finished, the worker presses the motor switch again to enable the output shafts of the two synchronous motors to rotate reversely at the same time, so that the display board moves downwards and is collected in the case for storage; besides, still can set up the draw-in groove at the top of fixing base to fix the bottom of show board, this kind of detachable fixed mode, the dismouting and the change of the show board of being convenient for make things convenient for the staff to change the content of saying on the show board.

The utility model has the advantages of reasonable structural design and convenient carrying, and greatly facilitates the people's air defense propaganda and education work of workers in exhibition halls, exhibition halls and other air defense propaganda and education places.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the driving mechanism of the present invention.

In the figure: 1. the novel multifunctional earphone comprises a case, 2 parts of a display board, 3 parts of a first key, 4 parts of a second key, 5 parts of a third key, 6 parts of a power switch, 7 parts of a motor switch, 8 parts of a loudspeaker, 9 parts of a slotted hole, 10 parts of a movable plate, 11 parts of a lead screw, 12 parts of a synchronous motor, 13 parts of a vertical bevel gear, 14 parts of a horizontal bevel gear, 15 parts of a fixed seat, 16 parts of a USB socket, 17 parts of an RS232 interface, 18 parts of an RS485 interface, 19 parts of an earphone jack, 20 parts of a handle, 21 parts of an upper limit switch and 22 parts of a lower limit switch.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.

Examples

As shown in fig. 1-2, the utility model provides an air defense warning signal audition device, which comprises a chassis 1, a driving mechanism and a display board 2, wherein a first key 3, a second key 4, a third key 5, a power switch 6 and a motor switch 7 are arranged on a shell of the chassis 1, a horn 8 is arranged at the front end of the chassis 1, a slot 9 for the display board 2 to pass through is arranged at the top of the chassis 1, the driving mechanism is arranged inside the chassis 1, the driving mechanism comprises a movable plate 10 and two groups of driving components, the two groups of driving components are respectively arranged at the left end and the right end of the movable plate 10, the driving components comprise a screw rod 11, a synchronous motor 12, a vertical bevel gear 13 and a horizontal bevel gear 14, gear sleeves are arranged outside the vertical bevel gear 13 and the horizontal bevel gear 14, the synchronous motor 12 is arranged at the bottom of the chassis 1, an output shaft of the synchronous motor 12 passes through the gear sleeves and is fixedly connected with the vertical bevel gear 13, an output shaft of the synchronous motor 12 is rotatably connected with a gear sleeve, the horizontal bevel gear 14 is meshed with the vertical bevel gear 13, the top end of the screw rod 11 is rotatably connected to the top of the case 1, the bottom end of the screw rod 11 penetrates through the gear sleeve and is fixedly connected with the horizontal bevel gear 14, the screw rod 11 is rotatably connected with the gear sleeve, the screw rod 11 penetrates through the movable plate 10, the movable plate 10 is horizontally arranged, the left end and the right end of the movable plate 10 are respectively connected to the screw rod 11 in a sliding mode through nut pairs corresponding to the screw rod 11 on the side, a fixing seat 15 is fixedly connected to the upper portion of the movable plate 10, the display plate 2 is fixed on the fixing seat 15, and the position of the display plate 2 corresponds to the position of the slot hole 9 up and down.

The side of the case 1 is provided with a USB socket 16, an RS232 interface 17, an RS485 interface 18 and an earphone jack 19. The top of the case 1 is provided with a handle 20, which is convenient for carrying. The inside of quick-witted case 1 is equipped with two sets of limit switch, and two sets of limit switch divide and establish the left and right sides at quick-witted case 1, and every limit switch of group all includes limit switch 21 and lower limit switch 22, and upper limit switch 21 and lower limit switch 22 can slide about the fly leaf 10 and carry out the spacing.

The working principle of the utility model is that the first key 3 is used for playing or pausing pre-alarm, the second key 4 is used for playing or pausing air attack alarm, the third key 5 is used for playing or pausing alarm relief, the power switch 6 is used for controlling the current on-off of the whole equipment, and the motor switch 7 is used for controlling the output shafts of the two synchronous motors 12 to rotate forwards or reversely at the same time; on one hand, the staff can switch and audition the sounds of the three air defense alarms by controlling the first key 3, the second key 4 and the third key 5, and the sounds are output through a loudspeaker 8 or an earphone; on the other hand, the worker presses the motor switch 7 to enable the output shafts of the two synchronous motors 12 to rotate forwardly at the same time so as to drive the vertical bevel gears 13 to rotate, the vertical bevel gears 13 rotate to drive the meshed horizontal bevel gears 14 to rotate, the horizontal bevel gears 14 rotate to drive the screw rods 11 to rotate, and then the movable plate 10 slides upwards, so that the display plate 2 moves upwards until the display plate passes through the slotted holes 9 to be displayed, the double propaganda and education purposes are achieved through sound audition and image-text explanation of the display plate 2, and the propaganda and education efficiency of the worker is improved; after the propaganda and education work is finished, the worker presses the motor switch 7 again to enable the output shafts of the two synchronous motors 12 to rotate reversely at the same time, so that the display board 2 moves downwards and is collected in the case 1 to be convenient to store; besides, still can set up the draw-in groove at the top of fixing base 15 to fix the bottom of show board 2, this kind of detachable fixed mode, the dismouting and the change of the show board 2 of being convenient for make things convenient for the staff to change the content of saying on the show board 2.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides an air defense warning signal audition device which characterized in that: the display device comprises a case, a driving mechanism and a display board, wherein a first key, a second key, a third key, a power switch and a motor switch are arranged on a shell of the case, a horn is arranged at the front end of the case, a slotted hole for the display board to pass through is formed in the top of the case, the driving mechanism is arranged in the case and comprises a movable plate and two groups of driving components, the two groups of driving components are respectively arranged at the left end and the right end of the movable plate, the driving components comprise a screw rod, a synchronous motor, a vertical bevel gear and a horizontal bevel gear, gear sleeves are arranged outside the vertical bevel gear and the horizontal bevel gear, the synchronous motor is arranged at the bottom of the case, an output shaft of the synchronous motor passes through the gear sleeves and is fixedly connected with the vertical bevel gear, the output shaft of the synchronous motor is rotatably connected with the gear sleeves, and the horizontal bevel gear is meshed with the vertical bevel gear, the top of lead screw rotates to be connected at the top of quick-witted case, the bottom of lead screw passes the gear sleeve and is connected with horizontal bevel gear fixed connection, and the lead screw rotates with the gear sleeve and is connected, the lead screw runs through the fly leaf, the fly leaf level sets up, both ends are connected on the lead screw through the vice sliding connection of nut that corresponds the side lead screw respectively about the fly leaf, the top fixedly connected with fixing base of fly leaf, the show board is fixed on the fixing base, and the position of show board corresponds from top to bottom with the position of slotted hole.

2. The air defense warning signal audition device according to claim 1, wherein: and the side part of the case is provided with a USB socket, an RS232 interface, an RS485 interface and an earphone jack.

3. The air defense warning signal audition device according to claim 1, wherein: the top of the case is provided with a handle.

4. The air defense warning signal audition device according to claim 1, wherein: the inside of quick-witted case is equipped with two sets of limit switch, and two sets of limit switch divide and establish the left and right sides at quick-witted case, and every limit switch of group all includes limit switch and lower limit switch.