Smoke detection device with alarm function

By combining the drive mechanism with the magnetic component, the problem of smoke detectors being unable to be adjusted in different spatial layouts is solved, enabling flexible position and angle adjustment, and improving the coverage and ease of maintenance of fire monitoring.

CN223911306UActive Publication Date: 2026-02-13HEILONGJIANG JIESHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520478393.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-13
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Existing smoke detectors cannot adjust their detection range and angle according to needs, resulting in incomplete coverage of potential fire risk areas in different spatial layouts.

Method used

The design employs a drive mechanism and magnetic components. A dual-axis motor drives a swing arm to move a ball bearing and a connecting rod, enabling the smoke detector to be adjusted in position and angle. Combined with magnetic adsorption, this ensures coverage of a wide area.

Benefits of technology

It enables smoke detectors to be flexibly adjusted in complex spaces, reduces blind spots in monitoring, improves the timeliness of fire early warning, and facilitates daily maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of smoke detection, and particularly discloses a smoke detection device with an alarm function, which comprises a base frame, two groups of sliding chutes are arranged on the base frame, sliding tables are connected in the two groups of sliding chutes in a sliding manner, the bottoms of the sliding tables are movably connected with first balls, and the first balls are movably connected with second balls. The outer surface of the first ball is fixedly connected with a connecting shaft, a smoke alarm is fixedly installed at the bottom of the connecting shaft, a magnetic attraction assembly is arranged on the smoke alarm, and a driving mechanism used for adjusting the position of the smoke alarm is arranged on the base frame. According to the smoke detection device with the alarm function, by introducing the driving mechanism and the magnetic attraction assembly, the device can flexibly adjust the position and the angle of the smoke alarm according to different spatial layouts, and the design enables the smoke alarm to cover a wider area, especially in a complex or irregular space, so that the smoke detection device is more convenient to use. The monitoring blind area is effectively reduced, and the timeliness of fire early warning is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of smoke detection, in particular to a smoke detection device with an alarm function. BACKGROUND

[0002] Fire protection has always been a key concern in various fields such as life, agriculture, forestry, animal husbandry and industrial production. At present, a smoke alarm is generally used for fire detection. The smoke alarm is a device for monitoring the smoke concentration in the air, and its core function is to discover and alarm fire in time, so as to ensure personal safety and property safety.

[0003] According to the search, the patent with the publication number CN221613365U discloses a fire alarm smoke detection device, which comprises a mounting plate, a positioning ring arranged on the surface of the mounting plate, a smoke alarm arranged in the positioning ring, a positioning plate arranged in the positioning ring, and a positioning rod arranged on the side of the positioning plate. The beneficial effect is that when the smoke alarm needs to be removed from the mounting plate for maintenance, the baffle is first pulled up to make the baffle separate from the groove, and then the positioning plate is pulled outwards to make one end of the positioning rod separate from the limiting groove, so that the limiting effect of the smoke alarm can be lost, the smoke alarm can be conveniently taken out of the positioning ring, and the dust cover arranged at one end of the smoke alarm can prevent large dust particles from blocking the smoke alarm, thereby improving the protection effect.

[0004] The above scheme can only reduce the dust blocking the smoke alarm to a certain extent, but cannot change the detection range of the smoke alarm according to the requirement. When the smoke alarm is in different spatial layouts, it is difficult to adjust the position and angle of the alarm according to the actual requirement, that is, it is impossible to ensure that the smoke alarm can cover the potential fire risk area as much as possible. CONTENT OF THE UTILITY MODEL

[0005] Therefore, the utility model aims at solving the defects in the background art, and provides a smoke detection device with an alarm function to solve the problems in the prior art.

[0006] To achieve the above purpose, the utility model provides a smoke detection device with an alarm function, which comprises a base frame, a sliding groove is formed in the base frame, the number of the sliding grooves is two groups, a sliding table is slidably connected in each of the two groups of sliding grooves, a first ball bearing is movably connected to the bottom of the sliding table, a connecting shaft is fixedly connected to the outer surface of the first ball bearing, a smoke alarm is fixedly installed at the bottom of the connecting shaft, a magnetic attraction assembly is arranged on the smoke alarm, and a driving mechanism for adjusting the position of the smoke alarm is arranged on the base frame.

[0007] Preferably, the magnetic suction assembly includes an iron ring fixedly fitted on the top of the smoke alarm, and the bottom of the base frame is provided with several sets of semi-circular magnets. The magnetic suction assembly is designed to facilitate the adjustment of the angle of the smoke alarm.

[0008] Preferably, the drive mechanism includes a dual-axis motor fixedly installed inside the base frame. Both output ends of the dual-axis motor are fixedly connected to swing arms. The drive mechanism allows the two sets of smoke detectors to move closer to or further away from each other on the base frame, thereby changing the fire detection range.

[0009] Preferably, a second ball bearing is movably connected to the end of the swing arm away from the output end of the dual-axis motor, and a connecting rod is fixedly connected to the outer surface of the second ball bearing.

[0010] Preferably, a concave plate is fixedly connected to the end of the connecting rod away from the second ball, and a plate shaft is rotatably connected to the inner surface of the concave plate.

[0011] Preferably, a connecting frame is rotatably connected to the outer surface of the plate shaft, and a triangular platform is fixedly connected to the top of the slide table, with the inner surface of the triangular platform rotatably connected to the outer surface of the plate shaft.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This smoke detection device with alarm function, by introducing a drive mechanism and magnetic components, can flexibly adjust the position and angle of the smoke alarm according to different spatial layouts. This design enables the smoke alarm to cover a wider area, especially in complex or irregular spaces, effectively reducing monitoring blind spots and improving the timeliness of fire warning.

[0014] 2. When the smoke detector is activated, the connecting shaft drives the first ball bearing to rotate flexibly at the bottom of the slide, thereby allowing the smoke detector to change position flexibly, making daily maintenance and replacement more convenient, especially in environments that require regular inspection and cleaning. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this application;

[0016] Figure 2 This is a schematic diagram of the rear structure of the device in this application;

[0017] Figure 3 For this application Figure 1 Enlarged view of point a in the middle;

[0018] Figure 4 This is a schematic diagram of the bottom structure of the slide table in this application.

[0019] Wherein: 1, base frame; 2, sliding groove; 3, sliding table; 4, first ball; 5, connecting shaft; 6, smoke alarm; 7, iron ring; 8, half round magnet; 9, double shaft motor; 10, swing arm; 11, second ball; 12, connecting rod; 13, concave plate; 14, plate shaft; 15, connecting frame; 16, triangular table. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 A smoke detection device with alarm function, comprising a base frame 1, the base frame 1 is provided with a sliding groove 2, the number of the sliding groove 2 is provided with two groups, the sliding groove 2 is slidably connected with a sliding table 3, the bottom of the sliding table 3 is movably connected with a first ball 4, the outer surface of the first ball 4 is fixedly connected with a connecting shaft 5, the bottom of the connecting shaft 5 is fixedly installed with a smoke alarm 6, the smoke alarm 6 is provided with a magnetic attraction assembly, the base frame 1 is provided with a driving mechanism for adjusting the position of the smoke alarm 6.

[0022] Through the above technical scheme, the smoke detection device in the use process, through two groups of smoke alarm 6 to the smoke sensed information processing and with the issuance of the corresponding alarm, prompt may have fire, and through the driving mechanism cooperation magnetic attraction assembly can adjust the position of the smoke alarm 6 as well as the angle, to adapt to different space layout, as far as possible comprehensive coverage of potential fire risk area.

[0023] Specifically, the magnetic attraction assembly comprises an iron ring 7 fixedly sleeved on the top of the smoke alarm 6, and the bottom of the base frame 1 is provided with a plurality of groups of half round magnets 8.

[0024] Through the above technical scheme, the half round magnets 8 are arranged in an orderly array under the sliding groove 2, and the half round magnets 8 are inclined compared with the bottom surface of the base frame 1, which is to stably adsorb the iron ring 7 on the surface of the smoke alarm 6 after rotating to the corresponding position.

[0025] Specifically, the driving mechanism comprises a double shaft motor 9 fixedly installed on the inner side of the base frame 1, and the two output ends of the double shaft motor 9 are fixedly connected with swing arms 10.

[0026] Through the above technical scheme, the swing arm 10 will drive the second ball 11 to do circular motion in the swing process, and the second ball 11 is always located at the end of the swing arm 10 in this process and will not be separated from it.

[0027] Specifically, the second ball 11 is movably connected to the end of the swing arm 10 away from the output end of the double-shaft motor 9, and the outer surface of the second ball 11 is fixedly connected with the connecting rod 12.

[0028] Through the above technical scheme, the connecting rod 12 cooperates with the design of the second ball 11 to smoothly swing the smoke alarm 6. In this process, the second ball 11 flexibly rotates at the bottom of the sliding table 3.

[0029] Specifically, the end of the connecting rod 12 away from the second ball 11 is fixedly connected with the concave plate 13, and the inner surface of the concave plate 13 is rotatably connected with the plate shaft 14.

[0030] Through the above technical scheme, in the deflection process of the connecting rod 12, the connecting frame 15 is synchronously driven through the concave plate 13 and the plate shaft 14 at the bottom. Under the relative limiting of the triangular table 16, the connecting frame 15 rotates by a certain angle during the pushing and pulling process.

[0031] Specifically, the outer surface of the plate shaft 14 is rotatably connected with the connecting frame 15, the top of the sliding table 3 is fixedly connected with the triangular table 16, and the inner surface of the triangular table 16 is rotatably connected with the outer surface of the plate shaft 14.

[0032] Through the above technical scheme, the connecting frame 15 is composed of a rod body and a rectangular frame, and the movement of the connecting rod 12 and the concave plate 13 is transmitted to the connecting frame 15 through the plate shaft 14.

[0033] Working principle: the smoke detection device in the use process through two groups of smoke alarm 6 smoke sensing detection, and taking into account the smoke detection device may be installed in different space layout, therefore designed drive mechanism and magnetic assembly, in order to adjust the position and angle of smoke alarm 6, in order to cover the potential risk area as far as possible may occur fire, at this time only need to start double shaft motor 9 drive two groups of swing arm 10 swing, swing arm 10 in the swing process will be driven by the second ball 11 connecting rod 12 displacement, in the process, because the connecting rod 12 top through the second ball 11 and swing arm 10 connected, therefore the second ball 11 in the process of flexible rotation on swing arm 10 can drive the connecting rod 12 deflection, during the connecting rod 12 bottom recessed plate 13 is through the plate shaft 14 and connecting frame 15 indirectly connected, therefore in the process of the second ball 11 at the top of connecting rod 12 circular motion, when the second ball 11 do "relative left and right" movement (from the swing arm 10 in the process of circular motion from the leftmost to the rightmost), the connecting rod 12 bottom recessed plate 13 will be through the plate shaft 14 on the connecting frame 15 overturn, so that the connecting frame 15 along the inside of the triangular table 16 rotation, in the process will not produce the moving effect of slide 3, when the second ball 11 do "relative up and down" movement (from the swing arm 10 in the process of circular motion from the highest position to the lowest position), the connecting rod 12 will be through the plate shaft 14 on the connecting frame 15 push and pull, that is, ultimately through the connecting frame 15 on the triangular table 16 of the push and pull, and let the slide 3 along the slide groove 2 slide, so as to change the position of the smoke alarm 6 under the slide 3, until the smoke alarm 6 is moved to the corresponding position (two groups of smoke alarm 6 away from each other or close to each other, the position of the horizontal movement), and in the dial smoke alarm 6, the connecting shaft 5 will drive the first ball 4 makes it in the flexible rotation of the slide 3 bottom, in turn let the smoke alarm 6 in the swing process just embedded in the corresponding semicircle magnet 8, cooperate with the semicircle magnet 8 on the iron ring 7 adsorption, that is, can let the smoke alarm 6 is stable adsorbed, that is, change the angle of the smoke alarm 6, so as to different direction.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A smoke detection device with alarm function, comprising a base frame (1), characterized in that: The base frame (1) is provided with a chute (2), the number of the chute (2) is provided with two groups, two groups of the chute (2) are all slidably connected with the sliding table (3), the bottom of the sliding table (3) is movably connected with the first ball (4), the outer surface of the first ball (4) is fixedly connected with the connecting shaft (5), the bottom of the connecting shaft (5) is fixedly installed with the smoke alarm (6), the smoke alarm (6) is provided with a magnetic attraction assembly, the base frame (1) is provided with a driving mechanism for adjusting the position of the smoke alarm (6).

2. The smoke detection device with alarm function according to claim 1, characterized in that: The magnetic attraction assembly includes an iron ring (7) fixedly sleeved on the top of the smoke alarm (6), and the bottom of the base frame (1) is provided with a plurality of groups of semicircular magnets (8).

3. The smoke detection device with alarm function according to claim 1, characterized in that: The driving mechanism includes a double-shaft motor (9) fixedly installed on the inner side of the base frame (1), and the two output ends of the double-shaft motor (9) are fixedly connected with swing arms (10).

4. The smoke detection device with alarm function according to claim 3, characterized in that: The end of the swing arm (10) away from the output end of the double-shaft motor (9) is movably connected with a second ball (11), and the outer surface of the second ball (11) is fixedly connected with a connecting rod (12).

5. The smoke detection device with alarm function according to claim 4, characterized in that: The end of the connecting rod (12) away from the second ball (11) is fixedly connected with a concave plate (13), and the inner surface of the concave plate (13) is rotatably connected with a plate shaft (14).

6. The smoke detection device with alarm function according to claim 5, characterized in that: The outer surface of the plate shaft (14) is rotatably connected with a connecting frame (15), the top of the sliding table (3) is fixedly connected with a triangular table (16), and the inner surface of the triangular table (16) is rotatably connected with the outer surface of the plate shaft (14).

Citation Information

Patent Citations

  • Fire alarm smoke detection device

    CN221613365U