Security alarm device

Abstract

The utility model discloses a security alarm device, and relates to the field of security equipment. Comprising an equipment frame body, positioning supporting legs are fixedly installed at the bottom of the equipment frame body, an alarm lamp is fixedly installed at the upper end of the equipment frame body, an alarm horn is fixedly installed in the equipment frame body, and an alarm mechanism is arranged at the position, below the alarm horn, in the equipment frame body and comprises a siren, a reset electric push rod, a reset ejector block, an air cylinder and a communication hole. The cylinder is fixedly mounted in the equipment frame, a whistle is arranged at the front end of the cylinder, a communicating hole is formed in the rear end of the cylinder, a reset electric push rod is fixedly mounted at the front end of the cylinder, a reset ejector block is fixedly mounted at the output tail end of the reset electric push rod, and a trigger mechanism is arranged in the cylinder. Once a power line is cut off, the electromagnet loses magnetism, after the electromagnet loses magnetism, the reset spring pushes the piston to move forwards, and after the piston moves forwards, gas in the air cylinder is pressed into the steam whistle, so that the steam whistle gives out alarm sound, and the purpose of alarming is achieved when equipment loses power.

Description

Technical Field

[0001] The utility model relates to the field of security equipment, in particular to a security alarm device. Background Art

[0002] Security alarms are widely used in various fields, such as homes, schools, hospitals, banks, factories, etc. In homes, common security alarms include door and window alarms, smart surveillance cameras, etc. These devices can monitor the safety of the home in real time and issue an alarm in time when an abnormal situation occurs. In public places such as schools, hospitals, and banks, security alarms can monitor the entry and exit of personnel, prevent illegal intrusions, and ensure the safety of the place. In production places such as factories, security alarms can monitor the operating status of equipment, prevent leakage, and ensure production safety. However, during use, the power cord of the alarm may be cut off manually, causing the alarm light and alarm horn on the alarm to fail to work properly and fail to serve as an alarm. For this reason, a security alarm device is proposed. Utility Model Content

[0003] The main purpose of the utility model is to provide a security alarm device, which can effectively solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A security alarm device comprises an equipment frame, a positioning foot is fixedly installed at the bottom of the equipment frame, an alarm light is fixedly installed at the upper end of the equipment frame, an alarm horn is fixedly installed in the equipment frame, an alarm mechanism is provided in the equipment frame below the alarm horn, the alarm mechanism comprises a whistle, a reset electric push rod, a reset top block, a cylinder and a connecting hole, the cylinder is fixedly installed in the equipment frame, a whistle is provided at the front end of the cylinder, a connecting hole is opened at the rear end of the cylinder, a reset electric push rod is fixedly installed at the front end of the cylinder, a reset top block is fixedly installed at the output end of the reset electric push rod, a trigger mechanism is provided in the cylinder, the trigger mechanism comprises a piston, a positioning armature, a positioning through hole, an electromagnet and a reset spring, the piston is movably installed in the cylinder, a positioning armature is fixedly installed on the piston, a positioning through hole is opened at the edge of the positioning armature, the electromagnet is fixedly installed at the rear end of the cylinder, and a reset spring is provided between the piston and the cylinder.

[0006] Furthermore, a docking nozzle is provided at the front end of the cylinder, and the whistle is connected to the front end of the cylinder through the docking nozzle.

[0007] Furthermore, an inlet and outlet hole is opened at the front end of the cylinder, the reset electric push rod extends into the cylinder through the inlet and outlet hole, and a sealing ring is provided at the inlet and outlet hole. The reset top block is fixed to the output end of the reset electric push rod by screws, and the cylinder is connected to the outside world through the connecting hole.

[0008] Furthermore, a screw is provided in the positioning through hole, and the positioning armature is fixed to a surface of one side of the piston by the screw.

[0009] Furthermore, one end of the return spring is connected to the piston, and the other end of the return spring is connected to the rear end of the cylinder, and the electromagnet is fixed in the cylinder by screws.

[0010] Furthermore, the equipment frame is mounted in the use position by positioning feet.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the present application, the alarm light and the alarm horn are controlled by the human body sensor in the room, and once the power cord is cut off, the electromagnet will lose its magnetism. After the electromagnet loses its magnetism, the reset spring will push the piston forward. After the piston moves forward, the gas in the cylinder will be pressed into the whistle, causing the whistle to emit an alarm sound, thereby serving the purpose of alarm when the device loses power. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a partial structural schematic diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the alarm mechanism of the utility model;

[0016] Figure 4 It is a schematic diagram of the trigger mechanism of the utility model.

[0017] In the figure: 1. Alarm light; 2. Equipment frame; 3. Alarm horn; 4. Positioning foot; 5. Alarm mechanism; 501. Whistle; 502. Reset electric push rod; 503. Reset top block; 504. Cylinder; 505. Connecting hole; 6. Trigger mechanism; 601. Piston; 602. Positioning armature; 603. Positioning through hole; 604. Electromagnet; 605. Reset spring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1 to Figure 4 As shown, a security alarm device includes an equipment frame 2, a positioning foot 4 is fixedly installed at the bottom of the equipment frame 2, an alarm light 1 is fixedly installed at the upper end of the equipment frame 2, an alarm speaker 3 is fixedly installed in the equipment frame 2, and an alarm mechanism 5 is provided below the alarm speaker 3 in the equipment frame 2. The alarm mechanism 5 includes a whistle 501, a reset electric push rod 502, a reset top block 503, a cylinder 504 and a connecting hole 505. A trigger mechanism 6 is provided in the cylinder 504. The trigger mechanism 6 includes a piston 601, a positioning armature 602, a positioning through hole 603, an electromagnet 604 and a reset spring 605. The equipment frame 2 is installed in the use position through the positioning foot 4

[0020] A trigger mechanism 6 is provided in the cylinder 504, and the trigger mechanism 6 includes a piston 601, a positioning armature 602, a positioning through hole 603, an electromagnet 604 and a return spring 605. The piston 601 is movably installed in the cylinder 504, and the positioning armature 602 is fixedly installed on the piston 601. A positioning through hole 603 is provided at the edge of the positioning armature 602. The electromagnet 604 is fixedly installed at the rear end of the cylinder 504, and a return spring 605 is provided between the piston 601 and the cylinder 504. After the electromagnet 604 loses power, it will release the positioning armature 602. After the electromagnet 604 releases the positioning armature 602, the return spring 605 will push the piston 601 forward.

[0021] An alarm mechanism 5 is provided below the alarm speaker 3 in the equipment frame 2. The alarm mechanism 5 includes a whistle 501, a reset electric push rod 502, a reset top block 503, a cylinder 504 and a connecting hole 505. The cylinder 504 is fixedly installed in the equipment frame 2. The whistle 501 is provided at the front end of the cylinder 504. The connecting hole 505 is opened at the rear end of the cylinder 504. The reset electric push rod 502 is fixedly installed at the front end of the cylinder 504. The reset top block 503 is fixedly installed at the output end of the reset electric push rod 502. After the piston 601 moves forward, the gas in the cylinder 504 will be pressed into the whistle 501, so that the whistle 501 emits an alarm sound. At the same time, after the power is restored, the reset electric push rod 502 will push the reset top block 503 to move forward. After the reset top block 503 moves forward, it will push the piston 601 to the initial position.

[0022] It should be noted that the utility model is a security alarm device. When it is actually used, the whole device is first installed at the use position. During use, the alarm light 1 and the alarm horn 3 are controlled by the human body sensor in the room. Since the front end of the cylinder 504 is provided with a docking nozzle, the whistle 501 is connected to the front end of the cylinder 504 through the docking nozzle, and the front end of the cylinder 504 is provided with an inlet and outlet hole. The reset electric push rod 502 extends into the cylinder 504 through the inlet and outlet hole, and a sealing ring is provided at the inlet and outlet hole. The reset top block 503 is fixed to the output end of the reset electric push rod 502 by screws. The cylinder 504 is connected to the outside world through the connecting hole 505. A screw is provided in the positioning through hole 603. The positioning armature 602 is fixed to the surface of one side of the piston 601 by screws. One end of the positioning spring 605 is connected to the piston 601, and the other end of the return spring 605 is connected to the rear end of the cylinder 504. The electromagnet 604 is fixed in the cylinder 504 by screws. Once the power cord is cut off, the electromagnet 604 will lose its magnetism. After the electromagnet 604 loses its magnetism, the return spring 605 will push the piston 601 to move forward. After the piston 601 moves forward, the gas in the cylinder 504 will be pressed into the whistle 501, so that the whistle 501 will emit an alarm sound, thereby serving the purpose of alarming when the equipment loses power. At the same time, the reset electric push rod 502 can be started after the power is restored. The reset electric push rod 502 will push the reset top block 503 to move forward. After the reset top block 503 moves forward, it will push the piston 601 to the initial position.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A security alarm device, characterized in that: The device comprises an equipment frame (2), wherein a positioning foot (4) is fixedly installed at the bottom of the equipment frame (2), an alarm light (1) is fixedly installed at the upper end of the equipment frame (2), an alarm horn (3) is fixedly installed inside the equipment frame (2), an alarm mechanism (5) is provided inside the equipment frame (2) below the alarm horn (3), the alarm mechanism (5) comprises a whistle (501), a reset electric push rod (502), a reset top block (503), a cylinder (504) and a connecting hole (505), the cylinder (504) is fixedly installed inside the equipment frame (2), a whistle (501) is provided at the front end of the cylinder (504), a connecting hole (505) is provided at the rear end of the cylinder (504), and a A reset electric push rod (502) is fixedly mounted with a reset top block (503) at the output end of the reset electric push rod (502). A trigger mechanism (6) is arranged in the cylinder (504). The trigger mechanism (6) comprises a piston (601), a positioning armature (602), a positioning through hole (603), an electromagnet (604) and a reset spring (605). The piston (601) is movably mounted in the cylinder (504). A positioning armature (602) is fixedly mounted on the piston (601). A positioning through hole (603) is provided at the edge of the positioning armature (602). The electromagnet (604) is fixedly mounted at the rear end of the cylinder (504). A reset spring (605) is arranged between the piston (601) and the cylinder (504).

2. A security alarm device according to claim 1, characterized in that: The front end of the cylinder (504) is provided with a docking nozzle, and the whistle (501) is connected to the front end of the cylinder (504) through the docking nozzle.

3. A security alarm device according to claim 2, characterized in that: The front end of the cylinder (504) is provided with an inlet and outlet hole, the reset electric push rod (502) extends into the cylinder (504) through the inlet and outlet hole, and a sealing ring is provided at the inlet and outlet hole. The reset top block (503) is fixed to the output end of the reset electric push rod (502) by screws, and the cylinder (504) is connected to the outside through the connecting hole (505).

4. A security alarm device according to claim 3, characterized in that: A screw is provided in the positioning through hole (603), and the positioning armature (602) is fixed to a side surface of the piston (601) by means of the screw.

5. A security alarm device according to claim 4, characterized in that: One end of the return spring (605) is connected to the piston (601), and the other end of the return spring (605) is connected to the rear end of the cylinder (504). The electromagnet (604) is fixed in the cylinder (504) by screws.

6. A security alarm device according to claim 5, characterized in that: The equipment frame (2) is installed in the use position via positioning legs (4).

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