CN215526859U

CN215526859U - Intelligent alarm device is used in fire control

Info

Publication number: CN215526859U
Application number: CN202121621463.1U
Authority: CN
Inventors: 周莹; 张树芳; 胡欢
Original assignee: Hubei Hengweida System Engineering Co ltd
Current assignee: Hubei Hengweida System Engineering Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-01-14
Anticipated expiration: 2031-07-16

Abstract

The utility model relates to the technical field of fire-fighting warning equipment, in particular to an intelligent alarm device for fire fighting, which aims at solving the problem that the existing alarm device is easily burnt out by fire and further cannot give continuous alarm. The alarm device is reasonable in structure and simple to operate, the problem that the audible and visual alarm cannot give an alarm continuously when the audible and visual alarm is burnt out by fire is avoided, so that personnel in a building can be reminded to evacuate continuously, and the alarm device is convenient to replace and maintain.

Description

Intelligent alarm device is used in fire control

Technical Field

The utility model relates to the field of fire-fighting warning equipment, in particular to an intelligent alarm device for fire fighting.

Background

The fire alarm device is a control indicating device which is used for receiving, displaying and transmitting fire alarm signals and can send control signals and has other auxiliary functions in an automatic fire alarm system, the existing alarm device cannot carry out self-protection when encountering a fire, so that the alarm device is easily burnt out by the fire, and further cannot remind people in the building to evacuate by continuous alarm.

SUMMERY OF THE UTILITY MODEL

The utility model provides an intelligent alarm device for fire fighting, which solves the problem that in the prior art, an alarm device is easily burnt out by fire, and further continuous alarm cannot be carried out.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an intelligent alarm device is used in fire control, includes the roof, the screw of attacking is all installed to the both sides of roof bottom, the fire prevention case is installed through latch mechanism in the bottom of roof, the opening has been seted up to the bottom of fire prevention case, two driven shafts are installed to the inner wall of fire prevention case, two the equal rigid coupling in outside of driven shaft has prevents fire door, two prevent fire door's size and opening looks adaptation, the inside of fire prevention case is provided with audible-visual annunciator, install the actuating mechanism who is used for driving audible-visual annunciator and reciprocates on the inner wall of fire prevention case, audible-visual annunciator's outside rigid coupling has the connecting plate, the both sides of connecting plate bottom are all installed and are used for driving driven shaft pivoted drive mechanism, the rigid coupling has the PLC controller on the inner wall of fire prevention case one side.

Preferably, the latch mechanism includes the rigid coupling at two fixed blocks at fire prevention roof portion and sets up two recesses in the roof bottom, two the outer wall of fixed block all runs through and has seted up the draw-in groove, two the equal rigid coupling of inner wall of recess has the fixture block, and fixture block and draw-in groove mutually support, two the equal sliding connection of inner wall of recess has the slide bar, the top of slide bar runs through recess and roof and extends to the top of roof, the bottom rigid coupling of slide bar has the dog, the outside cover of slide bar is equipped with the spring, the one end of spring and the outer wall rigid coupling of dog, the other end of spring and the inner wall rigid coupling of recess.

Preferably, actuating mechanism includes the motor of rigid coupling on fire prevention case one side outer wall and rotates the two-way lead screw of connection on the fire prevention case inner wall, the output shaft and the two-way screw rod transmission of motor are connected, the externally mounted of two-way lead screw has two connecting blocks, two the bottom of connecting block all articulates there is the connecting rod, the bottom of connecting rod is articulated with audible-visual annunciator's top, the outside rigid coupling of motor has the protective housing with fire prevention case outer wall rigid coupling.

Preferably, the transmission mechanism comprises two light plates fixedly connected to the bottom of the connecting plate, two racks respectively fixedly connected to the bottoms of the two light plates, and two gears respectively sleeved on the outer portions of the two driven shafts, and the gears and the racks are meshed discontinuously.

Preferably, the inner walls of the two sides of the fire-proof box are fixedly connected with limit rods through support blocks, the limit rods penetrate through the connecting plate, and the limit rods are in sliding connection with the connecting plate.

Preferably, pull rings are fixedly connected to the top ends of the two sliding rods.

The utility model has the beneficial effects that:

1. through the cooperation of each part of connecting plate, actuating mechanism and drive mechanism, can be when the conflagration takes place, withdraw inside the fire-proof box audible-visual annunciator, avoided audible-visual annunciator to be burnt out by the fire and can't last problem of reporting to the police, and then prolonged audible-visual annunciator's life to can continuously remind the inside personnel of building to withdraw.

2. Through the cooperation of each part of latch mechanism, the staff of being convenient for carries out the dismouting to the fire prevention case, and then has improved the efficiency that the staff changed and maintained alarm device.

The alarm device is reasonable in structure and simple to operate, the problem that the audible and visual alarm cannot give an alarm continuously when the audible and visual alarm is burnt out by fire is avoided, so that personnel in a building can be reminded to evacuate continuously, and the alarm device is convenient to replace and maintain.

Drawings

Fig. 1 is a front view of the internal structure of the present invention.

Fig. 2 is a cross-sectional top view of the internal structure of the present invention.

Fig. 3 is a bottom view of the outer structure of the present invention.

FIG. 4 is a schematic structural diagram of the latch mechanism of the present invention.

Reference numbers in the figures: 1. a top plate; 2. drilling and tapping a screw; 3. a fire-proof enclosure; 4. a driven shaft; 5. a fire door; 6. an audible and visual alarm; 7. a connecting plate; 8. a fixed block; 9. a groove; 10. a card slot; 11. a clamping block; 12. a slide bar; 13. a stopper; 14. a spring; 15. a motor; 16. a bidirectional screw rod; 17. connecting blocks; 18. a connecting rod; 19. a rack; 20. a gear; 21. a protective shell; 22. a limiting rod; 23. a pull ring; 24. a PLC controller; 25. a light panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an intelligent alarm device for fire fighting comprises a top plate 1, drilling and tapping screws 2 are respectively installed on two sides of the bottom of the top plate 1, the drilling and tapping screws 2 are arranged for installing the top plate 1 on a wall body, a fire box 3 is installed at the bottom of the top plate 1 through a clamping mechanism, an opening is formed in the bottom of the fire box 3, two driven shafts 4 are installed on the inner wall of the fire box 3, fire doors 5 are fixedly connected to the outer portions of the two driven shafts 4, the size of the two fire doors 5 is matched with the opening, an audible and visual alarm 6 is arranged inside the fire box 3, a driving mechanism for driving the audible and visual alarm 6 to move up and down is installed on the inner wall of the fire box 3, the driving mechanism comprises a motor 15 fixedly connected to the outer wall of one side of the fire box 3 and a bidirectional screw rod 16 rotatably connected to the inner wall of the fire box 3, and an output shaft of the motor 15 is in transmission connection with the bidirectional screw rod 16, two connecting blocks 17 are arranged outside the two-way screw rod 16, connecting rods 18 are hinged to the bottoms of the two connecting blocks 17, the bottom ends of the connecting rods 18 are hinged to the top of the audible and visual alarm 6, a protective shell 21 fixedly connected with the outer wall of the fire box 3 is fixedly connected to the outside of the motor 15, the protective shell 21 is arranged for protecting the motor 15 and preventing the motor 15 from being burnt by fire, a connecting plate 7 is arranged outside the audible and visual alarm 6, transmission mechanisms for driving the driven shaft 4 to rotate are arranged on two sides of the bottom of the connecting plate 7 respectively, each transmission mechanism comprises two optical plates 25 fixedly connected to the bottom of the connecting plate 7, two racks 19 respectively fixedly connected to the bottoms of the two optical plates 25 and two gears 20 respectively sleeved outside the two driven shafts 4, the gears 20 are meshed with the racks 19 in a discontinuous mode, a PLC 24 is fixedly connected to the inner wall on one side of the fire box 3, and signal receiving ends of the audible and visual alarm 6 and the motor 15 are electrically connected with signal output ends of the PLC 24, when a fire occurs outside, the audible and visual alarm 6 transmits a signal to the PLC controller 24, the PLC controller 24 drives the bidirectional screw rod 16 to rotate anticlockwise through the control motor 15, and further drives the two connecting blocks 17 to move towards the inner walls of the two sides of the fire box 3, the audible and visual alarm 6 is driven to move towards the inside of the fire box 3 through the hinging action of the connecting blocks 17 and the connecting rods 18, and further drives the two light plates 25 to move upwards through the connecting plates 7, when the two light plates 25 move upwards until the two racks 19 are respectively meshed with the two gears 20, the two driven shafts 4 are driven to rotate in opposite directions, so that the two fireproof doors 5 are driven to synchronously rotate towards the inside of the fire box 3, and the openings inside the fireproof doors 5 are sealed, namely, the audible and visual alarm 6 can be protected when a fire occurs, and the PLC controller 24 controls the motor 15 to drive the bidirectional screw rod 16 to rotate clockwise, the two connecting blocks 17 can be driven to move towards opposite directions, and the audible and visual alarm 6 is driven to move downwards through the connecting rod 18, so that the two light plates 25 are driven to move upwards, the two driven shafts 4 are driven to rotate in opposite directions through the action of the two racks 19 respectively meshed with the two gears 20, and the two fireproof doors 5 are driven to synchronously rotate towards the outside of the fireproof box 3, so that the audible and visual alarm 6 can move downwards to the outside of the fireproof box 3;

the clamping mechanism comprises two fixed blocks 8 fixedly connected to the top of the fire-proof box 3 and two grooves 9 arranged at the bottom of the top plate 1, the outer walls of the two fixed blocks 8 are respectively provided with a clamping groove 10 in a penetrating way, the inner walls of the two grooves 9 are respectively fixedly connected with a clamping block 11, the clamping blocks 11 are matched with the clamping grooves 10, the inner walls of the two grooves 9 are respectively connected with a sliding rod 12 in a sliding way, the top end of the sliding rod 12 penetrates through the grooves 9 and the top plate 1 and extends to the top of the top plate 1, the bottom end of the sliding rod 12 is fixedly connected with a stop block 13, the outer part of the sliding rod 12 is sleeved with a spring 14, one end of the spring 14 is fixedly connected with the outer wall of the stop block 13, the other end of the spring 14 is fixedly connected with the inner wall of the groove 9, the two fixed blocks 8 are inserted into the grooves 9 to respectively push the two stop blocks 13 to move upwards along the inner walls of the grooves 9 and compress the spring 14, the fire-proof box 3 is then pushed rightwards to drive the fixed block 8 to move rightwards along the inner walls of the grooves 9, then the clamping groove 10 is driven to be clamped into the outer part of the clamping block 11, then the stop block 13 is driven to move downwards to the initial position through the rebound force of the spring 14 and abuts against the left side of the fixing block 8, the installation of the fire-proof box 3 can be completed, the slide rod 12 is pulled upwards through the pull ring 23, the stop block 13 is further driven to move upwards, the fire-proof box 3 is pushed leftwards, the clamping groove 10 is separated from the clamping block 11, finally the fire-proof box 3 is pulled downwards, the fixing block 8 is separated from the groove 9, and the dismantling of the fire-proof box 3 can be completed;

the inner walls of the two sides of the fire-proof box 3 are fixedly connected with limiting rods 22 through supporting blocks, the limiting rods 22 penetrate through the connecting plate 7, the limiting rods 22 are in sliding connection with the connecting plate 7, and the limiting rods 22 are used for enabling the connecting plate 7 to vertically move up and down along the outer walls of the limiting rods 22;

the top ends of the two sliding rods 12 are fixedly connected with pull rings 23, and the pull rings 23 are used for driving the sliding rods 12 to move upwards.

The working principle is as follows: when a fire occurs outside, the audible and visual alarm 6 transmits a signal to the PLC controller 24, the PLC controller 24 drives the bidirectional screw rod 16 to rotate anticlockwise through the control motor 15, and further drives the two connecting blocks 17 to move towards the inner walls of the two sides of the fire box 3, the audible and visual alarm 6 is driven to move towards the inside of the fire box 3 through the hinging action of the connecting blocks 17 and the connecting rods 18, and further drives the two light plates 25 to move upwards through the connecting plates 7, when the two light plates 25 move upwards until the two racks 19 are respectively meshed with the two gears 20, the two driven shafts 4 are driven to rotate in opposite directions, so that the two fireproof doors 5 are driven to synchronously rotate towards the inside of the fire box 3, and the openings inside the fireproof doors 5 are sealed, namely, the audible and visual alarm 6 can be protected when a fire occurs, and the PLC controller 24 controls the motor 15 to drive the bidirectional screw rod 16 to rotate clockwise, the two connecting blocks 17 can be driven to move towards opposite directions, and the audible and visual alarm 6 is driven to move downwards through the connecting rod 18, so that the two light plates 25 are driven to move upwards, the two driven shafts 4 are driven to rotate in opposite directions through the action of the two racks 19 respectively meshed with the two gears 20, and the two fireproof doors 5 are driven to synchronously rotate towards the outside of the fireproof box 3, so that the audible and visual alarm 6 can move downwards to the outside of the fireproof box 3;

through inserting two fixed blocks 8 in recess 9, and then promote two dog 13 respectively along the inner wall rebound of recess 9, and compression spring 14, promote fire prevention case 3 right again, it moves right along the inner wall of recess 9 to drive fixed block 8, and then drive draw-in groove 10 card and advance the outside of fixture block 11, bounce force through spring 14 drives dog 13 rebound to initial position down after that, and support the left side of fixed block 8, can accomplish the installation to fire prevention case 3, upwards stimulate slide bar 12 through pull ring 23, and then drive dog 13 rebound, promote fire prevention case 3 left again, make draw-in groove 10 break away from fixture block 11, fire prevention case 3 is taken out downwards at last, make fixed block 8 break away from recess 9, can accomplish the demolition to fire prevention case 3.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The intelligent alarm device for fire fighting comprises a top plate (1), wherein drilling and tapping screws (2) are mounted on two sides of the bottom of the top plate (1), and the intelligent alarm device is characterized in that a fire-proof box (3) is mounted at the bottom of the top plate (1) through a clamping mechanism, an opening is formed in the bottom of the fire-proof box (3), two driven shafts (4) are mounted on the inner wall of the fire-proof box (3), two fireproof doors (5) are fixedly connected to the outer portions of the driven shafts (4), the size of the two fireproof doors (5) is matched with the opening, an audible and visual alarm (6) is arranged inside the fire-proof box (3), a driving mechanism for driving the audible and visual alarm (6) to move up and down is mounted on the inner wall of the fire-proof box (3), a connecting plate (7) is fixedly connected to the outer portions of the audible and visual alarm (6), and a transmission mechanism for driving the driven shafts (4) to rotate is mounted on two sides of the bottom of the connecting plate (7), and a PLC (programmable logic controller) (24) is fixedly connected to the inner wall of one side of the fire-proof box (3).

2. The intelligent alarm device for fire fighting according to claim 1, wherein the clamping mechanism comprises two fixed blocks (8) fixedly connected to the top of the fire box (3) and two grooves (9) formed in the bottom of the top plate (1), the outer walls of the two fixed blocks (8) are provided with clamping grooves (10) in a penetrating manner, the inner walls of the two grooves (9) are fixedly connected with clamping blocks (11), the clamping blocks (11) and the clamping grooves (10) are matched with each other, the inner walls of the two grooves (9) are slidably connected with sliding rods (12), the top ends of the sliding rods (12) penetrate through the grooves (9) and the top plate (1) and extend to the top of the top plate (1), the bottom ends of the sliding rods (12) are fixedly connected with stoppers (13), the outer sleeves of the sliding rods (12) are provided with springs (14), one ends of the springs (14) are fixedly connected with the outer walls of the stoppers (13), the other end of the spring (14) is fixedly connected with the inner wall of the groove (9).

3. The intelligent fire-fighting alarm device according to claim 1, wherein the driving mechanism comprises a motor (15) fixedly connected to the outer wall of one side of the fire-proof box (3) and a bidirectional screw rod (16) rotatably connected to the inner wall of the fire-proof box (3), an output shaft of the motor (15) is in transmission connection with the bidirectional screw rod (16), two connecting blocks (17) are mounted outside the bidirectional screw rod (16), the bottom of each connecting block (17) is hinged to a connecting rod (18), the bottom end of each connecting rod (18) is hinged to the top of the audible and visual alarm (6), and a protective shell (21) fixedly connected to the outer wall of the fire-proof box (3) is fixedly connected to the outside of the motor (15).

4. The intelligent fire-fighting alarm device according to claim 1, wherein the transmission mechanism comprises two light panels (25) fixedly connected to the bottom of the connecting plate (7), two racks (19) respectively fixedly connected to the bottoms of the two light panels (25), and two gears (20) respectively sleeved on the outer portions of the two driven shafts (4), and the gears (20) are in intermittent meshing with the racks (19).

5. A fire-fighting intelligent alarm device as defined in claim 1, wherein the inner walls of the two sides of the fire-proof box (3) are fixedly connected with a limiting rod (22) through a supporting block, the limiting rod (22) is arranged to penetrate the connecting plate (7), and the limiting rod (22) is connected with the connecting plate (7) in a sliding manner.

6. A fire fighting intelligent alarm device as defined in claim 2, wherein the top ends of the two sliding rods (12) are each fixedly connected with a pull ring (23).