Smoke and fire early warning device

Abstract

The utility model relates to the technical field of alarm equipment, in particular to a smoke and fire early warning device, which comprises a mounting frame main body and a dustproof mechanism, a smoke detector is arranged in the mounting rack main body, a bottom cover and a top cover are arranged on the mounting rack main body, and a plurality of strip-shaped air inlet holes are formed in the mounting rack main body; the dustproof mechanism comprises two dustproof nets which are symmetrically distributed and located on the outer side of the air inlet hole, a first arc-shaped plate and a second arc-shaped plate which are arranged on the dustproof nets, and two fixing assemblies arranged on the bottom cover, and each fixing assembly comprises a fixing frame arranged on the bottom cover, a sliding rod connected to the fixing frame in a sliding mode and a protruding ring coaxially arranged on the sliding rod; one end of the sliding rod penetrates through the second arc-shaped plate and extends into the bottom cover, and the other end of the sliding rod is provided with a holding ball. According to the utility model, the dustproof effect of the device is ensured, the operation difficulty of dismounting and mounting the dustproof net can be reduced, and the use convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to alarm equipment technical field, in particular to a fire warning device. BACKGROUND

[0002] The fire warning device is a rapid alarm device for sudden fire events, which can maximize the safety of human life, has simple structure, is convenient to install and is widely applicable to the field of alarm. When the smoke concentration exceeds the set threshold, the smoke alarm will automatically trigger an alarm, emit loud alarm sound and flashing warning light around to attract people's attention and take appropriate measures.

[0003] The Chinese patent with publication number CN220085470U discloses an optical and photoelectric sensing type smoke and fire detection alarm, which comprises a mounting body, a smoke detection mechanism, a fire detection mechanism and an alarm mechanism. The mounting body comprises a base, a smoke detection part and a fire detection part. The smoke detection mechanism comprises a smoke sensor and an auxiliary smoke inlet structure. The smoke detection part is internally provided with a detection chamber. The smoke detection part is provided with a smoke inlet around itself. The smoke sensor is arranged in the detection chamber. The fire detection part comprises an arc surface shell. The arc surface shell is provided with a detection window covered by high-transmittance glass. The fire detection mechanism comprises a photoelectric sensor arranged in the arc surface shell. The photoelectric sensor is arranged in the arc surface shell.

[0004] However, the above technical solution has the following disadvantages: the dust screen of the device is arranged in the interior of the fixed shell. When the dust screen needs to be disassembled and cleaned after long-term use of the device, the entire base needs to be disassembled to complete the cleaning, which not only is troublesome to operate, but also lacks a protective structure at the exhaust port of the exhaust fan, affecting the service life of the device. UTILITY MODEL CONTENT

[0005] The utility model aims at the problems in the background art and provides a fire warning device, which not only ensures the dustproof effect of the device, but also reduces the operation difficulty of disassembling and installing the dust screen and improves the use convenience of the device.

[0006] The utility model discloses a technical scheme, a kind of fireworks early warning device, including mounting frame main body and dustproof mechanism;The inside of mounting frame main body is provided with smoke detector, bottom cover and top cover are provided on mounting frame main body, and mounting frame main body has multiple strip air inlet holes;Dustproof mechanism includes two dustproof nets that are symmetrically distributed and located outside air inlet hole, first arc plate and second arc plate are arranged on dustproof net, and two fixed components are arranged on bottom cover, and fixed component includes fixed frame arranged on bottom cover, slide rod slidably connected on fixed frame, convex ring coaxially arranged on slide rod, and spring is arranged on the both ends of convex ring and fixed frame, one end of slide rod penetrates second arc plate and extends into the inside of bottom cover, and the other end of slide rod is provided with ball.

[0007] Preferably, the first arc plate is embedded in the inside of the top cover, the second arc plate penetrates the bottom cover, and the dustproof net penetrates the mounting frame main body.

[0008] Preferably, the convex ring is provided with two symmetrically distributed guide blocks, and the fixed frame is provided with a groove for sliding of the guide blocks.

[0009] Preferably, the inside of the mounting frame main body is provided with an air duct, the inside of the air duct is provided with a support frame, and the support frame is provided with a fan.

[0010] Preferably, a transparent seat is arranged below the mounting frame main body, a rotating shaft is coaxially arranged on the transparent seat, and the rotating shaft is rotationally connected with the bottom cover.

[0011] Preferably, the bottom cover is provided with a driving assembly, the driving assembly includes a motor arranged on the bottom cover, a first gear drivingly connected with the motor, and a second gear coaxially arranged on the rotating shaft, and the first gear and the second gear are meshingly connected.

[0012] Preferably, a stabilizing frame is coaxially arranged on the transparent seat, the stabilizing frame is rotationally arranged in the inside of the bottom cover, and the cross-sectional shape of the stabilizing frame is "T" shape.

[0013] Preferably, the mounting frame main body is provided with an alarm lamp and a buzzer, and the top cover is provided with a mounting seat.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] The dustproof mechanism not only plays a dustproof role in the inside of the mounting frame main body and ensures normal circulation of air, but also avoids the problem that the mounting frame body needs to be disassembled when the dustproof net is disassembled through the distribution design of arranging the dustproof net outside the air inlet hole, and the fixed component arranged in cooperation can quickly install and disassemble the dustproof net, reduce the difficulty of operation, and improve the use convenience of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The utility model discloses a whole structure schematic view.

[0017] Figure 2 The utility model discloses the structure schematic view of mounting frame main part.

[0018] Figure 3 The utility model discloses the structure schematic view of embodiment.

[0019] Figure 4 The utility model discloses the structure schematic view of fixed component.

[0020] Fig. 1 mounting frame main part 2 smoke detector 3 air inlet hole 4 dust screen 5 first arc plate 6 second arc plate 7 bottom cover 8 top cover 9 fixed frame 10 sliding rod 11 convex ring 12 spring 13 guide block 14 ball 15 support frame 16 fan 17 transparent seat 18 rotating shaft 19 motor 20 first gear 21 second gear 22 alarm lamp 23 buzzer 24 mounting seat 25 stabilizer. Specific implementation

[0021] Example one

[0022] As Figures 1-4 The utility model discloses a pyrotechnic early warning device, including mounting frame main part 1 and dust prevention mechanism, the inside of mounting frame main part 1 is provided with smoke detector 2, is provided with bottom cover 7 and top cover 8 on mounting frame main part 1, and mounting frame main part 1 has a plurality of strip air inlet hole 3, and the inside of mounting frame main part 1 is provided with air duct, and the inside of air duct is provided with support frame 15, and is provided with fan 16 on support frame 15, and fan 16 is used for the function of air extraction and air supply, and smoke can enter smoke detector 2 from air inlet hole 3 and be detected.

[0023] Dust prevention mechanism includes two symmetrical distribution and located air inlet hole 3 outside dust screen 4, first arc plate 5 and second arc plate 6 that are set up on dust screen 4 and two fixed components that are set up on bottom cover 7, first arc plate 5 is embedded in the inside of top cover 8, second arc plate 6 is set through bottom cover 7, and dust screen 4 is set through mounting frame main part 1.

[0024] Fixed component includes fixed frame 9 that is set up on bottom cover 7, sliding rod 10 that is connected on fixed frame 9, convex ring 11 that is coaxially set up on sliding rod 10 and spring 12 that is set up at two ends respectively on convex ring 11 and fixed frame 9, and the one end of sliding rod 10 is set through second arc plate 6 and extends into the inside of bottom cover 7, and the other end of sliding rod 10 is provided with ball 14.

[0025] The convex ring 11 is provided with two symmetrical guide blocks 13, the fixing frame 9 is provided with a groove for the sliding of the guide blocks 13, the guide blocks 13 guide the movement of the convex ring 11 and the sliding rod 10, avoid the torsion of the spring 12, and ensure the service life of the spring 12.

[0026] In the embodiment, the dust screen 4 is used to avoid insects and dust from entering the inside of the device, and the dust screen 4 penetrates the upper part of the installation frame body 1 to ensure the normal circulation of air. The installation position of the dust screen 4 is convenient for the installation and dismounting of the dust screen 4 body, so as to replace and clean the dust screen 4, avoid the dust accumulation and the decrease of the adsorption capacity of the dust screen 4 after long time use, and realize the dismounting and installation of the dust screen 4 without dismounting the entire installation frame body 1, thereby improving the use convenience of the device. When dismounting, the sliding rod 10 is pulled outward by the ball 14, so that the sliding rod 10 no longer penetrates the second arc-shaped plate 6, and the dust screen 4 can be dismounted. When reinstalling, the sliding rod 10 is pulled outward, so that the convex ring 11 compresses the spring 12, then the first arc-shaped plate 5 is pushed into the top cover 8, the ball 14 is released, the sliding rod 10 slides under the elastic force of the spring 12, and the sliding rod 10 penetrates the sliding rod 10, so that the installation is completed. The operation is simple and convenient, and has good practicability.

[0027] Embodiment two

[0028] As shown in Figure 1 and Figure 3 , the smoke fire warning device provided in the embodiment is compared with the first embodiment. In the embodiment, the lower part of the installation frame body 1 is provided with a transparent seat 17, the inside of the transparent seat 17 is provided with a photoelectric monitor (not shown), which is used to detect the light intensity of the field data. The transparent seat 17 is coaxially provided with a rotating shaft 18, the rotating shaft 18 is rotationally connected with the bottom cover 7, the bottom cover 7 is provided with a driving assembly, the driving assembly includes a motor 19 provided on the bottom cover 7, a first gear 20 drivingly connected with the motor 19, and a second gear 21 coaxially provided on the rotating shaft 18, and the first gear 20 and the second gear 21 are meshingly connected.

[0029] The transparent seat 17 is coaxially provided with a stabilizing frame 25, the stabilizing frame 25 is rotationally arranged in the inside of the bottom cover 7, and the cross-sectional shape of the stabilizing frame 25 is “T” shape.

[0030] In the embodiment, the motor 19 drives the first gear 20 to rotate, so that the first gear 20 and the second gear 21 are meshingly transmitted, and then the second gear 21 drives the rotating shaft 18 and the transparent seat 17 to rotate, so that the photoelectric monitor rotates to ensure that each direction of the field can be detected, and the “T” shaped stabilizing frame 25 ensures the stability of the transparent seat 17 during rotation.

[0031] Embodiment three

[0032] As Figure 1 and Figure 2 The embodiment proposes a fire and smoke early warning device, compared with the first embodiment, the mounting frame body 1 is provided with an alarm lamp 22 and a buzzer 23, when the smoke detector 2 and the photoelectric monitor detect that the concentration of smoke and the intensity of firelight exceed the threshold value, loud alarm sound and flashing warning light are emitted to the surrounding through the alarm lamp 22 and the buzzer 23, so as to attract people's attention and take corresponding measures. The top cover 8 is provided with a mounting seat 24, and the mounting seat 24 is used for fixing the whole early warning device in the use position.

[0033] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to this, various changes can be made within the knowledge range of the skilled in the art without departing from the purpose of the present application.

Claims

1. A pyrotechnic early warning device, characterized in that The utility model relates to a smoke detector installation frame, which comprises the following parts: The installation frame body (1) is internally provided with a smoke detector (2), the installation frame body (1) is provided with a bottom cover (7) and a top cover (8), and the installation frame body (1) is provided with a plurality of strip-shaped air inlet holes (3); The dustproof mechanism comprises two dustproof nets (4) symmetrically arranged outside the air inlet holes (3), a first arc-shaped plate (5) and a second arc-shaped plate (6) arranged on the dustproof nets (4), and two fixing assemblies arranged on the bottom cover (7), wherein the fixing assembly comprises a fixing frame (9) arranged on the bottom cover (7), a sliding rod (10) slidably connected to the fixing frame (9), a convex ring (11) coaxially arranged on the sliding rod (10), and springs (12) arranged at both ends of the convex ring (11) and the fixing frame (9), one end of the sliding rod (10) penetrates through the second arc-shaped plate (6) and extends into the inside of the bottom cover (7), and the other end of the sliding rod (10) is provided with a ball (14).

2. The pyrotechnic warning device of claim 1, wherein The first arc-shaped plate (5) is embedded in the inside of the top cover (8), the second arc-shaped plate (6) penetrates through the bottom cover (7), and the dustproof net (4) penetrates through the installation frame body (1).

3. The pyrotechnic warning device of claim 1, wherein: The convex ring (11) is provided with two symmetrically arranged guide blocks (13), and the fixing frame (9) is provided with a groove for the guide blocks (13) to slide.

4. The pyrotechnic warning device of claim 1, wherein: The inside of the installation frame body (1) is provided with an air duct, the inside of the air duct is provided with a support frame (15), and the support frame (15) is provided with a fan (16).

5. The pyrotechnic warning device of claim 1, wherein: The bottom of the installation frame body (1) is provided with a transparent seat (17), the transparent seat (17) is coaxially provided with a rotating shaft (18), and the rotating shaft (18) is rotationally connected to the bottom cover (7).

6. The pyrotechnic warning device of claim 5, wherein: The bottom cover (7) is provided with a driving assembly, the driving assembly comprises a motor (19) arranged on the bottom cover (7), a first gear (20) drivingly connected to the motor (19), and a second gear (21) coaxially arranged on the rotating shaft (18), and the first gear (20) and the second gear (21) are in meshing connection.

7. The pyrotechnic warning device of claim 5, wherein: The transparent seat (17) is coaxially provided with a stabilizing frame (25), the stabilizing frame (25) is rotationally arranged in the inside of the bottom cover (7), and the stabilizing frame (25) has a "T" shaped cross section.

8. The pyrotechnic warning device of claim 1, wherein: The installation frame body (1) is provided with an alarm lamp (22) and a buzzer (23), and the top cover (8) is provided with a mounting seat (24).

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