Audible and visual alarm with dustproof structure

Abstract

The utility model discloses an audible and visual alarm with a dustproof structure, which belongs to the technical field of alarms and comprises a support plate, the front side of the support plate is fixedly connected with an audible and visual alarm, the inside of the support plate is movably connected with a second rotating shaft, and the inside of the support plate is movably connected with a third rotating shaft. A fan is fixedly connected to the surface of the third rotating shaft, an upper sweeping column is slidably connected to the surface of the audible and visual alarm, a heat dissipation plate is slidably connected to the surface of the audible and visual alarm, and a limiting column is fixedly connected to the surface of the supporting plate. According to the audible and visual alarm with the dustproof structure, an upper sweeping column and a lower sweeping column are installed on the surface of the audible and visual alarm, and through work of a motor, a limiting rod and a first spring, the upper sweeping column and the lower sweeping column slide back and forth along the surface of the audible and visual alarm, the contact area between the upper sweeping column and the audible and visual alarm and the contact area between the lower sweeping column and the audible and visual alarm are increased; the surface of the audible and visual alarm is kept clean, and the influence of dust on the audible and visual alarm is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of alarm, specifically is a sound light alarm with dustproof structure. BACKGROUND

[0002] In many fields of today's society, the alarm has an indispensable position. From industrial production to civil security, from commercial facilities to public safety, the application of the alarm is extremely wide;

[0003] The deviation switch is originally connected with the central controller only, when the belt deviation triggers the deviation switch, only the central controller interface can check the action of the deviation switch, if the central controller does not notice the signal in time, the belt worker adjusts, often causes the belt edge tearing, steel wire rope exposure winding into the drum and other equipment failure problems because of the belt deviation, thereby needing to install two sound light alarms;

[0004] When the sound light alarm is used for a long time, the dust particles in the air will gradually adhere to the surface and the internal optical elements, electronic circuit board and other key parts of the sound light alarm. For the surface, the accumulation of dust will reduce the visibility of the sound light alarm, weaken the brightness of the warning light, reduce the propagation range, and may also affect the propagation effect of the sound, so that the alarm signal cannot be effectively perceived;

[0005] In order to overcome the above defects, the prior art 1 (Chinese patent with application number CN202320021332.2 and application date 2023-01-05) a sound light alarm with dustproof structure, the sound light alarm can protect the sound light alarm body on one side of the bottom plate through the cover plate, the cover plate can be limited through the limiting mechanism, and the dust screen on one side of the cover plate can prevent dust from entering the cover plate;

[0006] The above device cannot clean the dust on the surface of the sound light alarm during use, which reduces the intensity and propagation range of light, makes the personnel far away cannot see the alarm light signal clearly in time, reduces the alarm effect, and the heat dissipation efficiency is greatly reduced, which reduces the service life of the sound light alarm.

[0007] In view of the above problems, it is urgent to make innovative design on the basis of the original sound light alarm with dustproof structure. SUMMARY

[0008] The utility model discloses a sound light alarm with dustproof structure to solve the problem that the dust on the surface of the sound light alarm cannot be cleaned in the above background technology, which reduces the intensity and propagation range of light, makes the personnel far away cannot see the alarm light signal clearly in time, reduces the alarm effect, and the heat dissipation efficiency is greatly reduced, which reduces the service life of the sound light alarm.

[0009] To achieve the above object, the utility model provides following technical scheme: A sound light alarm with dustproof structure, including support plate, the front side of support plate is fixedly connected with sound light alarm, and the inside of support plate is movably connected with no.

[0010] The surface of the third shaft is fixedly connected with a fan.

[0011] The surface of the sound light alarm is slidably connected with an upper scanning column, and the surface of the sound light alarm is slidably connected with a heat sink, and the surface of the sound light alarm is slidably connected with a lower scanning column.

[0012] The surface of the support plate is fixedly connected with a motor, and the surface of the support plate is fixedly connected with a limiting column.

[0013] Preferably, the output end of the motor is fixedly connected with a first shaft, and the surface of the first shaft and the surface of the second shaft are both fixedly connected with bevel gears.

[0014] Preferably, the surface of the second shaft is sleeved with a belt pulley, and the other end of the belt pulley is sleeved with a third shaft.

[0015] Preferably, the surface of the first shaft is fixedly connected with a cam, and the surface of the cam is fixedly connected with a lower magnet.

[0016] Preferably, the surface of the upper scanning column and the surface of the lower scanning column are both fixedly connected with a fixed block, and the inside of the fixed block is slidably connected with the limiting column.

[0017] Preferably, the surface of the limiting column is fixedly connected with a baffle, the surface of the baffle is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with the fixed block.

[0018] Preferably, the inside of the fixed block is fixedly connected with a fixed column, the end of the fixed column is fixedly connected with an upper magnet, and the lower surface magnet pole of the upper magnet is opposite to the upper surface magnet pole of the lower magnet.

[0019] Compared with the prior art, the sound light alarm with dustproof structure has the beneficial effects that:

[0020] (1) The sound light alarm with dustproof structure is provided with an upper scanning column and a lower scanning column on the surface of the sound light alarm, and through the work of the motor, the limiting rod and the first spring, the upper scanning column and the lower scanning column reciprocate along the surface of the sound light alarm, the contact area of the upper scanning column and the lower scanning column with the sound light alarm is increased, the surface of the sound light alarm is kept clean, and the influence of dust on the sound light alarm is reduced.

[0021] Further, the limiting column protects the upper scanning column, the lower scanning column and the heat sink, thereby avoiding collision and falling off with other components due to excessive sliding, and improving the safety and stability of the device;

[0022] (2) The sound and light alarm with the dustproof structure is provided with the heat sink on the surface of the sound and light alarm, the heat sink is tightly attached to the surface of the sound and light alarm, the heat sink can timely conduct heat away, prevents the internal temperature of the alarm from being too high, ensures the accuracy and stability of signal transmission of the sound and light alarm, and reduces false alarm;

[0023] Further, the supporting plate can bear various forces from the outside, when the device is subjected to external force, the supporting plate can effectively disperse the forces, prevent the device from being excessively deformed or damaged, and reduce the vibration generated by the device during work;

[0024] (3) The sound and light alarm with the dustproof structure is provided with the fan at the end of the third rotating shaft, so that the flowing air can blow away the dust particles attached to the top of the sound and light alarm, reduce the residual dust, and make the surrounding cold air be timely supplemented, and heat is continuously taken away through heat exchange. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a sound and light alarm and supporting plate connection structure schematic view of the utility model;

[0026] Figure 2 It is a supporting plate and motor connection structure schematic view of the utility model;

[0027] Figure 3 It is a fan and third rotating shaft connection structure schematic view of the utility model;

[0028] Figure 4 It is a supporting plate and limiting column connection structure schematic view of the utility model;

[0029] Figure 5 It is a cam and lower magnet connection structure schematic view of the utility model;

[0030] Figure 6 It is a fixed column and fixed block connection structure schematic view of the utility model;

[0031] Figure 7 It is a baffle and first spring connection structure schematic view of the utility model.

[0032] In the figure: 1, sound and light alarm; 2, support plate; 3, motor; 4, first rotating shaft; 5, second rotating shaft; 6, third rotating shaft; 7, bevel gear; 8, pulley; 9, fan; 10, cam; 11, lower magnet; 12, fixed block; 13, first spring; 14, fixed column; 15, baffle; 16, upper sweeping column; 17, heat sink; 18, lower sweeping column; 19, limiting column; 20, upper magnet. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Embodiment one: the stability of the device is improved by connecting the support plate 2, the sound and light alarm 1 and the limiting column 19, as shown in Figures 1-2

[0035] The support plate 2 is provided, the front side of the support plate 2 is fixedly connected with the sound and light alarm 1, the inside of the support plate 2 is movably connected with the second rotating shaft 5, and the inside of the support plate 2 is movably connected with the third rotating shaft 6.

[0036] The surface of the third rotating shaft 6 is fixedly connected with the fan 9, the surface of the sound and light alarm 1 is slidably connected with the upper sweeping column 16, the surface of the sound and light alarm 1 is slidably connected with the heat sink 17, the surface of the sound and light alarm 1 is slidably connected with the lower sweeping column 18, the surface of the support plate 2 is fixedly connected with the motor 3, and the surface of the support plate 2 is fixedly connected with the limiting column 19.

[0037] The heat sink 17 is installed on the surface of the sound and light alarm 1, the heat sink 17 reciprocally slides on the surface of the sound and light alarm 1 with the working of the motor 3, cold air can more quickly contact the heat sink 17, the heat on the surface of the sound and light alarm 1 is taken away, the efficiency of heat exchange is accelerated, the overall heat dissipation effect of the sound and light alarm 1 is enhanced, the area of heat dissipation is also increased, the limiting column 19 blocks the excessive movement of the heat sink 17, avoids the collision with other components, the disengagement from the device or the self damage and the like, the stability of the whole device operation and the safety of each component are ensured, the overall reliability and service life of the device are improved.

[0038] Embodiment two: in this embodiment, different from embodiment one, the connection of the motor 3, the bevel gear 7 and the fan 9 is arranged, the residual dust on the top of the sound and light alarm 1 is reduced, and the top of the sound and light alarm 1 is cooled, as shown in Figures 3-4 ​​

[0039] The output end of the motor 3 is fixedly connected with a first rotating shaft 4, the surface of the first rotating shaft 4 is fixedly connected with a bevel gear 7, the surface of a second rotating shaft 5 is sleeved with a belt pulley 8, and the other end of the belt pulley 8 is sleeved with a third rotating shaft 6.

[0040] The surface of the first rotating shaft 4 and the surface of the second rotating shaft 5 are fixedly connected with the bevel gear 7, when the motor 3 works, the second rotating shaft 5 is driven to rotate, the belt pulley 8 is sleeved with the second rotating shaft 5 and the third rotating shaft 6, and the end of the third rotating shaft 6 is provided with a fan 9, so that the fan 9 rotates on the surface of the third rotating shaft 6, so that the flowing air can blow away the dust particles attached to the top of the sound and light alarm 1, reduce the residual dust, and the airflow carries away the hot air near the surface of the sound and light alarm 1 gathered on the top due to heat generated by work, so that the surrounding cold air can be replenished in time, continuously carrying away heat through heat exchange, helping the sound and light alarm 1 to maintain in a suitable temperature range, and guaranteeing its normal and stable operation.

[0041] In example three, different from example two, the heat dissipation effect of the device is enhanced by connecting the upper sweeping column 16, the lower sweeping column 18 and the heat dissipation plate 17, as shown in Figures 5-7 .

[0042] The surface of the first rotating shaft 4 is fixedly connected with a cam 10, the surface of the cam 10 is fixedly connected with a lower magnet 11, the surface of the upper sweeping column 16 and the surface of the lower sweeping column 18 are fixedly connected with a fixed block 12, the inside of the fixed block 12 is slidably connected with the limiting column 19, the surface of the limiting column 19 is fixedly connected with the baffle 15, the surface of the baffle 15 is fixedly connected with the first spring 13, the other end of the first spring 13 is fixedly connected with the fixed block 12, the inside of the fixed block 12 is fixedly connected with the fixed column 14, the end of the fixed column 14 is fixedly connected with an upper magnet 20, and the lower surface magnetic pole of the upper magnet 20 is opposite to the upper surface magnetic pole of the lower magnet 11.

[0043] When the motor 3 works, the first rotating shaft 4 of the output end is driven to rotate, the cam 10 is installed on the surface of the first rotating shaft 4, and the lower magnet 11 and the upper magnet 20 are installed on the surface of the cam 10 and the surface of the fixed column 14, the surface magnetic pole of the upper magnet 20 is opposite to the surface magnetic pole of the lower magnet 11, when the two magnets are parallel, the magnetic force drives the fixed column 14 to move upward, and the upper sweeping column 16, the lower sweeping column 18 and the heat dissipation plate 17 slide along the surface of the sound and light alarm 1, at the same time, the limiting column 19 protects the upper sweeping column 16, the lower sweeping column 18 and the heat dissipation plate 17, so as to avoid collision, falling off and other situations caused by excessive sliding with other parts, improve the safety and stability of the device, and prolong the service life of the sound and light alarm 1.

[0044] The above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0045] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An acoustic-optic alarm with dustproof structure, comprising a support plate (2), the front side of the support plate (2) is fixedly connected with an acoustic-optic alarm (1), the inside of the support plate (2) is movably connected with a second rotating shaft (5), and the inside of the support plate (2) is movably connected with a third rotating shaft (6); Characterized in that: The surface of the third rotating shaft (6) is fixedly connected with a fan (9); The surface of the acoustic-optic alarm (1) is slidably connected with an upper sweeping column (16), the surface of the acoustic-optic alarm (1) is slidably connected with a heat dissipation plate (17), and the surface of the acoustic-optic alarm (1) is slidably connected with a lower sweeping column (18); The surface of the support plate (2) is fixedly connected with a motor (3), and the surface of the support plate (2) is fixedly connected with a limiting column (19).

2. The photoacoustic alarm with dustproof structure according to claim 1, characterized in that: The output end of the motor (3) is fixedly connected with a first rotating shaft (4), and the surface of the first rotating shaft (4) and the surface of the second rotating shaft (5) are both fixedly connected with bevel gears (7).

3. The photoacoustic alarm with dustproof structure according to claim 2, characterized in that: The surface of the second rotating shaft (5) is sleevedly connected with a belt pulley (8), and the other end of the belt pulley (8) is sleevedly connected with the third rotating shaft (6).

4. The photoacoustic alarm with dustproof structure according to claim 3, characterized in that: The surface of the first rotating shaft (4) is fixedly connected with a cam (10), and the surface of the cam (10) is fixedly connected with a lower magnet (11).

5. The photoacoustic alarm with dustproof structure according to claim 4, characterized in that: The surface of the upper sweeping column (16) and the surface of the lower sweeping column (18) are both fixedly connected with a fixed block (12), and the inside of the fixed block (12) is slidably connected with the limiting column (19).

6. The photoacoustic alarm with dustproof structure according to claim 5, characterized in that: The surface of the limiting column (19) is fixedly connected with a baffle (15), the surface of the baffle (15) is fixedly connected with a first spring (13), and the other end of the first spring (13) is fixedly connected with the fixed block (12).

7. The photoacoustic alarm with dustproof structure according to claim 6, characterized in that: The inside of the fixed block (12) is fixedly connected with a fixed column (14), the end of the fixed column (14) is fixedly connected with an upper magnet (20), and the lower surface magnetic pole of the upper magnet (20) is opposite to the upper surface magnetic pole of the lower magnet (11).

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