Fire audible and visual alarm

Abstract

The utility model discloses a fire hazard audible and visual alarm which comprises an installation shell, an installation cover arranged above the installation shell, an audible and visual alarm body arranged inside the installation cover, a power supply switching mechanism connected with the audible and visual alarm body, installation plates arranged on two sides of the audible and visual alarm body, and fixing mechanisms arranged on the outer sides of the installation plates. According to the utility model, through the arrangement of the power supply switching mechanism, power can be supplied to the audible and visual alarm through the commercial power when the commercial power supply is normal, and when the commercial power line is abnormal, the power supply is converted into the storage battery through the dual-power-supply automatic change-over switch, so that the audible and visual alarm can still work normally when the power supply is abnormal when a fire occurs; and the sound and light emitting time is prolonged, so that the fire-fighting effect of the fire audible and visual alarm is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of sound and light alarms, in particular to a fire sound and light alarm. Background Art

[0002] The fire sound and light alarm is used for sound alarm and flash alarm at the scene of the accident. The fire sound and light alarm installed on the scene can be activated by the fire alarm controller of the fire control center to send out strong sound and light alarm signals to alert the on-site personnel.

[0003] During use, the existing fire sound and light alarms are usually powered directly by the mains. However, when a fire occurs, the mains power line is easily affected by the fire and power outages occur. At this time, the sound and light alarm cannot work normally to remind people at the fire scene to evacuate. At the same time, it is inconvenient for firefighters to know the specific location of the fire, thus affecting the fire fighting effect of the fire sound and light alarm. Utility Model Content

[0004] In view of the problems in the related technology, the utility model proposes a fire sound and light alarm to overcome the above technical problems existing in the existing related technology.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A fire sound and light alarm comprises a mounting shell, a mounting cover is arranged above the mounting shell, a sound and light alarm body is arranged inside the mounting cover, the sound and light alarm body is connected to a power switching mechanism, mounting blocks are arranged on both sides of the sound and light alarm body, and a fixing mechanism is arranged outside the mounting blocks.

[0007] Furthermore, in order to ensure that the sound and light alarm can still work normally when the city power is cut off, the power switching mechanism includes a battery arranged inside the installation shell, the battery output end is electrically connected to the micro inverter, the micro inverter is arranged on one side of the battery, the micro inverter is electrically connected to the dual power automatic switching switch, the dual power automatic switching switch is arranged inside the installation shell, and the dual power automatic switching switch is electrically connected to the sound and light alarm body.

[0008] Furthermore, in order to ensure that the electronic components inside the installation shell can dissipate heat normally and work normally, heat dissipation ports are provided on both sides of the installation shell, and a connecting cover is provided at the front end of the installation shell, which is connected to the installation shell through a hinge.

[0009] Furthermore, in order to facilitate the fixation and disassembly of the sound and light alarm, the fixing mechanism includes a fixing frame arranged on both sides of the sound and light alarm, a groove is provided on one side of the top of the fixing frame, the groove matches the mounting block, a card slot is provided on the mounting block, a card block is provided on the outer side of the fixing frame, the card block matches the card slot, a first slider is provided at the bottom of the card block, a slide groove is provided at the top of the mounting shell, the first slider matches the slide groove, and a driving mechanism is provided on one side of the card block.

[0010] Furthermore, the driving mechanism includes a driving motor arranged on the outside of the mounting cover, the output end of the driving motor is connected to the first gear, the first gear is meshed with the second gear, the second gear is connected to the threaded rod, the threads on both sides of the threaded rod are symmetrically arranged, a second slider is provided on the threaded rod, the second slider is threadedly connected to the threaded rod, a limit plate is provided at the bottom end of the second slider, a limit groove is provided at the top end of the mounting shell, and the limit plate matches the limit groove.

[0011] Furthermore, in order to realize the control of the driving motor, the driving motor is electrically connected to the motor controller, the motor controller is connected to the dual power automatic switching switch, and the motor controller is arranged inside the mounting shell.

[0012] Furthermore, in order to facilitate fixing the installation shell on the wall, a mounting plate is provided on the outer side of the installation shell, and a mounting hole is provided on the mounting plate.

[0013] The beneficial effects of the utility model are:

[0014] (1) By setting up a power switching mechanism, the sound and light alarm can be powered by the mains when the mains power supply is normal. When the mains power line is abnormal, the power supply is switched to the battery through the dual power automatic switching switch, ensuring that the sound and light alarm can still work normally when a fire occurs and the power supply is abnormal, extending the time of sound and light, thereby ensuring the fire fighting effect of the fire sound and light alarm.

[0015] (2) By setting a fixing mechanism and a driving mechanism, and by placing the sound and light alarm inside the installation cover, the sound and light alarm can be protected. By placing the fixing plate inside the groove, the sound and light alarm can be initially fixed. Under the action of the driving motor, the card block can be driven to be connected inside the card slot, thereby strengthening the fixing effect of the sound and light alarm and facilitating the disassembly and maintenance of the sound and light alarm, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a front view of a fire sound and light alarm according to an embodiment of the utility model.

[0018] Figure 2 The utility model is a structural diagram of a power supply switching mechanism of a fire sound and light alarm according to an embodiment of the utility model.

[0019] Figure 3 The utility model is a structural diagram of a fire sound and light alarm fixing mechanism according to an embodiment of the utility model.

[0020] Figure 4 The present invention is a structural diagram of a fire sound and light alarm driving mechanism according to an embodiment of the present utility model.

[0021] In the figure:

[0022] 1. Mounting shell; 2. Mounting cover; 3. Sound and light alarm body; 4. Power switching mechanism; 401. Battery; 402. Micro inverter; 403. Dual power automatic switching switch; 5. Mounting block; 6. Fixing mechanism; 601. Fixing frame; 602. Groove; 603. Card slot; 604. Card block; 605. First slider; 606. Slide slot; 7. Heat dissipation port; 8. Connecting cover; 9. Driving mechanism; 901. Driving motor; 902. First gear; 903. Second gear; 904. Threaded rod; 905. Second slider; 906. Limit plate; 907. Limit slot; 10. Motor controller; 11. Mounting plate; 12. Mounting hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 2The present application proposes a fire sound and light alarm, comprising a mounting shell 1, a mounting cover 2 is arranged above the mounting shell 1, a sound and light alarm body 3 is arranged inside the mounting cover 2, the sound and light alarm body 3 is connected to a power switching mechanism 4, mounting blocks 5 are arranged on both sides of the sound and light alarm body 3, a fixing mechanism 6 is arranged outside the mounting block 5, the power switching mechanism 4 comprises a battery 401 arranged inside the mounting shell 1, the output end of the battery 401 is electrically connected to a micro inverter 402, and by setting the micro inverter 402, direct current can be converted into alternating current and connected to a dual power automatic switching switch 403 , the micro inverter 402 is arranged on one side of the battery 401, the micro inverter 402 is electrically connected to the dual power automatic switching switch 403, the dual power automatic switching switch 403 is arranged inside the installation shell 1, the dual power automatic switching switch 403 is electrically connected to the sound and light alarm body 3, and the installation shell 1 is provided with heat dissipation ports 7 on both sides. By setting the heat dissipation ports 7, it is ensured that the electronic components inside the installation shell 1 can be normally radiated. The front end of the installation shell 1 is provided with a connection cover 8, and the connection cover 8 is connected to the installation shell 1 through a hinge. By setting the connection cover 8, it is convenient to check the electronic components inside the installation shell 1. Through the above scheme, when the mains power supply is normal, the sound and light alarm can be powered by the mains. When the mains power line is abnormal, the dual power automatic switching switch 403 converts the power supply from the mains to the battery 401, ensuring that the sound and light alarm can still work normally when a fire occurs and the power supply is abnormal, prolonging the time of sound and light, thereby ensuring the fire fighting effect of the fire sound and light alarm.

[0025] See also Figure 1-Figure 4The fixing mechanism 6 includes a fixing frame 601 arranged on both sides of the sound and light alarm, a groove 602 is provided on one side of the top of the fixing frame 601, the groove 602 matches the mounting block 5, a card slot 603 is provided on the mounting block 5, a card block 604 is provided on the outer side of the fixing frame 601, the card block 604 matches the card slot 603, a first slider 605 is provided on the bottom end of the card block 604, a slide groove 606 is provided on the top of the mounting shell 1, the first slider 605 matches the slide groove 606, a driving mechanism 9 is provided on one side of the card block 604, and the driving mechanism 9 includes a driving motor 901 arranged on the outer side of the mounting cover 2, the output end of the driving motor 901 is connected to the first gear 902, and the first gear 902 is connected to the first gear 902. The two gears 903 are meshed with each other, the second gear 903 is connected to the threaded rod 904, the threads on both sides of the threaded rod 904 are symmetrically arranged, the threaded rod 904 is provided with a second slider 905, the second slider 905 is threadedly connected to the threaded rod 904, a limiting plate 906 is provided at the bottom end of the second slider 905, a limiting groove 907 is provided at the top of the mounting shell 1, the limiting plate 906 matches the limiting groove 907, the driving motor 901 is electrically connected to the motor controller 10, the motor controller 10 is connected to the dual power automatic switching switch 403, the motor controller 10 is arranged inside the mounting shell 1, a mounting plate 11 is provided on the outside of the mounting shell 1, and a mounting hole 12 is provided on the mounting plate 11. Through the above scheme, by placing the fixing plate inside the groove 602, the sound and light alarm can be initially fixed, and then the driving motor 901 is started through the motor controller 10, which can drive the first gear 902 to rotate, and the first gear 902 rotates to drive the second gear 903 to rotate, and the second gear 903 drives the threaded rod 904 to rotate, which can drive the second slider 905 to move, thereby driving the block 604 to move, so that the block 604 is placed inside the slot 603, and the sound and light alarm can be further fixed, and by reversing the driving motor 901, the block 604 can be driven away from the slot 603, which is convenient for disassembly of the sound and light alarm, and convenient for inspection and replacement of the sound and light alarm, making this sound and light alarm more practical.

[0026] Working principle: When using this fire sound and light alarm, the mounting shell 1 is fixed on the wall through the mounting hole 12, and the sound and light alarm is placed inside the mounting cover 2, so that the sound and light alarm can be protected. When a fire occurs and the power supply is abnormal, the power supply is converted into a battery 401 through the dual power automatic switching switch 403, ensuring that the device can still work normally when a fire occurs and the power supply is abnormal, prolonging the time of sound and light, thereby ensuring the fire-fighting effect of the fire sound and light alarm. In addition, under the action of the fixing mechanism 6, the fire sound and light alarm body 3 can be easily fixed and disassembled, so that the user can replace and repair the fire sound and light alarm conveniently.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire sound and light alarm, characterized in that: The invention comprises a mounting shell (1), a mounting cover (2) is arranged above the mounting shell (1), an audible and visual alarm body (3) is arranged inside the mounting cover (2), the audible and visual alarm body (3) is connected to a power supply switching mechanism (4), mounting blocks (5) are arranged on both sides of the audible and visual alarm body (3), and a fixing mechanism (6) is arranged outside the mounting block (5).

2. A fire sound and light alarm according to claim 1, characterized in that: The power switching mechanism (4) comprises a storage battery (401) arranged inside the mounting shell (1); the output end of the storage battery (401) is electrically connected to a micro inverter (402); the micro inverter (402) is arranged on one side of the storage battery (401); the micro inverter (402) is electrically connected to a dual power automatic switching switch (403); the dual power automatic switching switch (403) is arranged inside the mounting shell (1); and the dual power automatic switching switch (403) is electrically connected to the sound and light alarm body (3).

3. A fire sound and light alarm according to claim 2, characterized in that: Heat dissipation openings (7) are provided on both sides of the installation shell (1), and a connection cover (8) is provided at the front end of the installation shell (1), and the connection cover (8) is connected to the installation shell (1) via a hinge.

4. A fire sound and light alarm according to claim 1, characterized in that: The fixing mechanism (6) comprises a fixing frame (601) arranged on both sides of the sound and light alarm, a groove (602) is provided on one side of the top of the fixing frame (601), the groove (602) matches the mounting block (5), a clamping groove (603) is provided on the mounting block (5), a clamping block (604) is provided on the outer side of the fixing frame (601), the clamping block (604) matches the clamping groove (603), a first sliding block (605) is provided at the bottom end of the clamping block (604), a sliding groove (606) is provided at the top of the mounting shell (1), the first sliding block (605) matches the sliding groove (606), and a driving mechanism (9) is provided on one side of the clamping block (604).

5. A fire sound and light alarm according to claim 4, characterized in that: The driving mechanism (9) comprises a driving motor (901) arranged outside the mounting cover (2); the output end of the driving motor (901) is connected to a first gear (902); the first gear (902) is meshed with a second gear (903); the second gear (903) is connected to a threaded rod (904); the threads on both sides of the threaded rod (904) are symmetrically arranged; a second slider (905) is provided on the threaded rod (904); the second slider (905) is threadedly connected to the threaded rod (904); a limiting plate (906) is provided at the bottom end of the second slider (905); a limiting groove (907) is provided at the top end of the mounting shell (1); the limiting plate (906) matches the limiting groove (907).

6. A fire sound and light alarm according to claim 5, characterized in that: The driving motor (901) is electrically connected to a motor controller (10), the motor controller (10) is connected to a dual power automatic switching switch (403), and the motor controller (10) is arranged inside the mounting shell (1).

7. A fire sound and light alarm according to claim 1, characterized in that: A mounting plate (11) is provided on the outside of the mounting shell (1), and a mounting hole (12) is provided on the mounting plate (11).

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