CN219476163U - Fire safety alarm device - Google Patents

Abstract

The utility model discloses a fire safety alarm device, which comprises an outer shell, wherein a front end cover is detachably connected with a front end thread of the outer shell, an air inlet is formed in the front end cover, a buzzer and a camera are respectively arranged on the outer wall of the outer shell, a mounting seat is arranged at one end of the outer shell, one end of the mounting seat is connected with a wire, a metal contact sheet is arranged on the mounting seat, a circuit board is arranged in the outer shell, a metal tab is arranged at one end of the circuit board, the metal tab is electrically connected with the metal contact sheet, and two sides of the circuit board are connected with the outer shell through a positioning mechanism.

Description

A fire safety alarm device

technical field

The utility model relates to the technical field of fire safety, in particular to a fire safety alarm device.

Background technique

Fire safety alarm devices generally include alarm equipment such as smoke alarms. When there is heavy smoke, it is detected by the smoke sensor in the smoke alarm, which makes the smoke alarm sound an alarm. Fire safety alarm devices are a commonly used in property management. A device that alerts people to abnormal conditions.

The patent application number CN202021780192.X discloses a fire safety automatic alarm device, which detects uncertainty through the photoreceptor and smoke sensor, or when the temperature and humidity sensor detects that the temperature and humidity are within the limit of fire-prone Work, drive the concave arc-shaped fan blades to rotate, and transport the air from the external environment to the device, which is convenient for accurate detection of smoke sensors, combustible gas sensors and smoke concentration sensors, and the controller can accurately judge. If the controller judges that there is a fire risk around the device , the warning light flashes, the loudspeaker sounds, and the positioning mechanism sends the positioning to the central control room to reduce the probability of fire.

It installs the integrated electronic device in the limit tube, and when it fails or needs to be repaired, the whole body needs to be removed from the wall. Obviously, it is not convenient to remove the alarm device from the wall.

Aiming at the problems in the related technologies, no effective solution has been proposed yet.

Utility model content

Aiming at the problems in the related art, the utility model proposes a fire safety alarm device to overcome the above-mentioned technical problems existing in the related art.

The technical scheme of the utility model is achieved in that:

A fire safety alarm device, comprising an outer shell, the front end thread of the outer shell is detachably connected with a front cover, the front end cover is provided with an air inlet, and the outer wall of the outer shell is respectively equipped with a buzzer and a camera , one end of the outer casing is installed with a mounting base, one end of the mounting base is connected with a wire, the mounting base is provided with a metal contact piece, a circuit board is arranged in the outer housing, and one end of the circuit board is provided with A metal tab, the metal tab is electrically connected to the metal contact piece, and both sides of the circuit board are connected to the outer casing through a positioning mechanism.

Preferably, the positioning mechanism includes a side plate fixedly connected with the outer shell, and the side plate is provided with a mounting groove, an insulating layer is provided in the mounting groove, and elastic limiters are provided on both sides of the mounting groove. The position plate is provided with an anti-wear layer on the elastic limit plate.

Preferably, a control chip is integrated on the circuit board, a smoke sensor and an open flame sensor are connected to the control chip, both the smoke sensor and the open flame sensor are connected to the buzzer, and the control chip is connected to There is the camera and wireless transmitter.

Preferably, the air inlet is provided with a threaded groove, and a protective net is installed in the threaded groove, and the protective net is detachably connected to the threaded groove through a positioning ring.

Preferably, the outer casing is symmetrically provided with mounting pieces, and each of the mounting pieces is provided with mounting holes.

Preferably, the surfaces of the outer casing and the front end cover are sprayed with a fireproof coating.

The utility model provides a fire safety alarm device, the beneficial effects are as follows:

The front cover arranged on the outer shell can seal the outer shell, the buzzer can remind all the people on the current floor when a fire occurs, and the camera can observe the fire situation in real time, providing rescue personnel The rescue work provides reliable information, and through the connection between the metal contact piece and the metal contact piece on the circuit board, the power to the circuit board is realized, and the function of the positioning mechanism is used to install the circuit board in the outer shell, and at the same time it is convenient for the circuit The installation and disassembly of the board, the device structure of the present application is simple, not only the overall installation is convenient, but also the installation and disassembly of the circuit board is convenient. When maintenance or repair is required, the entire device does not need to be removed, which improves convenience.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments of the present invention, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic structural view of a fire safety alarm device according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the outer casing of a fire safety alarm device according to an embodiment of the present invention;

3 is a schematic structural view of a positioning mechanism in a fire safety alarm device according to an embodiment of the present invention;

Fig. 4 is a working principle diagram of a fire safety alarm device according to an embodiment of the present invention.

In the picture:

1. Outer shell; 2. Buzzer; 3. Camera; 4. Front cover; 5. Air inlet; 6. Mounting seat; 7. Wire; 8. Metal contact; 9. Circuit board; 10. Metal contact 11. Positioning mechanism; 12. Side plate; 13. Installation groove; 14. Insulation layer; 15. Elastic limit plate; 16. Anti-wear layer; 17. Control chip; 18. Smoke sensor; 19. Open flame sensor; 20. Wireless transmitter; 21. Thread groove; 22. Protective net; 23. Positioning ring; 24. Mounting piece; 25. Mounting hole.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments. Apparently, the described embodiments are only part of the embodiments of the utility model, not all of them. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the protection scope of the utility model.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the utility model, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

In addition, "plurality" means two or more. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , and are not within the scope of protection required by the utility model.

Please refer to Fig. 1-4, a kind of fire safety alarm device according to the embodiment of the present utility model, comprises outer casing 1, and the front end thread of described outer casing 1 is detachably connected with front end cover 4, and described front end cover 4 is provided with An air inlet 5, a buzzer 2 and a camera 3 are respectively installed on the outer wall of the outer casing 1, a mounting seat 6 is installed at one end of the outer casing 1, and a wire 7 is connected to one end of the mounting seat 6. The mounting base 6 is provided with a metal contact piece 8, the outer casing 1 is provided with a circuit board 9, and one end of the circuit board 9 is provided with a metal contact piece 10, and the metal contact piece 10 is connected to the metal contact piece 8. Electrically connected, the two sides of the circuit board 9 are connected to the outer casing 1 through the positioning mechanism 11, and the front end cover 4 arranged on the outer casing 1 plays a sealing effect on the outer casing 1, and the buzzer provided 2 can remind all personnel on the current floor when a fire occurs, the camera 3 provided can observe the situation of the fire in real time, and provide reliable information for the rescue work of rescuers, and through the metal contacts 8 and the metal on the circuit board 9 The connection of the tabs 10 realizes the power supply to the circuit board 9, and the circuit board 9 is installed in the outer casing 1 by using the positioning mechanism 11, which facilitates the installation and disassembly of the circuit board 9. The device structure of the present application is simple, Not only the overall installation is convenient, but also the installation and disassembly of the circuit board 9 is convenient. When maintenance or repair is required, it is not necessary to disassemble the entire device, which improves convenience.

In one embodiment, please refer to the accompanying drawing 3 of the specification, the positioning mechanism 11 includes a side plate 12 fixedly connected with the outer casing 1, the side plate 12 is provided with a mounting groove 13, and the mounting groove 13 is provided with an insulating layer 14, and elastic limiting plates 15 are provided on both sides of the installation groove 13, and an anti-wear layer 16 is provided on the elastic limiting plate 15. Through the function of the positioning mechanism 11 , the two sides of the circuit board 9 are inserted into the installation groove 13 , and the position is limited by the elastic limiting plate 15 , and the insulating layer 14 has an insulating effect.

In one embodiment, please refer to the accompanying drawing 4 of the specification, the circuit board 9 is integrated with a control chip 17, the control chip 17 is connected to a smoke sensor 18 and an open flame sensor 19, and the smoke sensor 18 and the The open flame sensors 19 are all connected to the buzzer 2, and the camera 3 and the wireless transmitter 20 are connected to the control chip 17. Through the installed smoke sensor 18 and open flame sensor 19, the safety status of the current floor can be monitored in real time. With the buzzer 2, when a fire occurs, an alarm will be given in time, and the camera 3 can observe the situation of the fire in real time, so as to provide assistance for rescuers. The work provides reliable information, and the wireless transmitter 20 can notify each floor.

In one embodiment, please refer to Figures 1 and 2 of the description, the air inlet 5 is provided with a threaded groove 21, and a protective net 22 is installed in the threaded groove 21, and the protective net 22 passes through the positioning ring. 23 is detachably connected to the thread groove 21 , and the outer casing 1 is symmetrically provided with mounting pieces 24 , and each of the mounting pieces 24 is provided with mounting holes 25 . By setting the protective net 22 in the thread groove 21 and installing it with the positioning ring 23, the electronic components inside are protected.

In actual application, the front end cover 4 arranged on the outer casing 1 has a sealing effect on the outer casing 1, and the buzzer 2 provided can remind all personnel on the current floor when a fire occurs, and the installed camera 3 The situation of the fire can be observed in real time, and reliable information can be provided for the rescue work of rescuers, and the connection between the metal contact piece 8 and the metal contact piece 10 on the circuit board 9 realizes the energization of the circuit board 9, and the positioning mechanism 11 is used to function, the circuit board 9 is installed in the outer casing 1, and the installation and disassembly of the circuit board 9 is convenient at the same time. Or during maintenance, there is no need to disassemble the device as a whole, which improves convenience.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (6)

1. A fire safety alarm device, characterized in that it comprises an outer casing (1), the front end thread of the outer casing (1) is detachably connected with a front end cover (4), and the front end cover (4) is provided with The air inlet (5), the outer wall of the outer shell (1) is respectively equipped with a buzzer (2) and a camera (3), and one end of the outer shell (1) is equipped with a mount (6), the One end of the mounting base (6) is connected with a wire (7), the mounting base (6) is provided with a metal contact piece (8), the outer casing (1) is provided with a circuit board (9), and the circuit One end of the board (9) is provided with a metal tab (10), the metal tab (10) is electrically connected to the metal contact piece (8), and the two sides of the circuit board (9) are passed through the positioning mechanism ( 11) Connect with the outer shell (1). 2. A kind of fire safety alarm device according to claim 1, characterized in that, the positioning mechanism (11) comprises a side plate (12) fixedly connected with the outer casing (1), and the side plate ( 12) is provided with an installation groove (13), and an insulating layer (14) is provided in the installation groove (13), and elastic limiting plates (15) are arranged on both sides of the installation groove (13), and the elastic A wear-resistant layer (16) is provided on the limiting plate (15). 3. A fire safety alarm device according to claim 2, characterized in that a control chip (17) is integrated on the circuit board (9), and a smoke sensor (18) is connected to the control chip (17). ) and an open flame sensor (19), the smoke sensor (18) and the open flame sensor (19) are all connected with the buzzer (2), and the camera (3) is connected on the control chip (17) ) and wireless transmitter (20). 4. A kind of fire safety alarm device according to claim 3, is characterized in that, described air inlet (5) is provided with thread groove (21), and protective net (21) is installed in described thread groove (21) 22), the protective net (22) is detachably connected to the threaded groove (21) through a positioning ring (23). 5. A fire safety alarm device according to claim 4, characterized in that, the outer casing (1) is symmetrically provided with mounting pieces (24), and the mounting pieces (24) are provided with mounting holes (25). 6. A fire safety alarm device according to claim 5, characterized in that the surfaces of the outer shell (1) and the front end cover (4) are sprayed with a fireproof coating.