CN205140116U - Security fence alarm - Google Patents

Abstract

The utility model discloses a safety fence alarm, which comprises a disc-shaped support, a claw screw, an arc clip and a main machine. One end of the clamp is used to fix the host, and the arc part of the arc clamp clamps the pole and is fixed by claw screws; the host includes an identification card swiping device, an audible and visual alarm, an invisible laser probe and a power supply; the identification The card swiping device is installed at the tail of the host, the sound and light alarm is installed on the top of the host, the invisible laser probe is installed at the front of the host, and the power supply is installed inside the host; the invisible laser The probe includes an invisible laser transmitter and an invisible laser receiver; the invisible laser transmitter emits an invisible laser with a wavelength of 905nm; the power supply provides electric energy for the host. The utility model utilizes the working principle of the laser rangefinder and the characteristics of low attenuation of the long-distance transmission of the invisible laser to facilitate the setting of long-distance safety fences. At the same time, the visible laser is set as the fence indicator, which is convenient at night, especially in rain and fog. The fence instructions in the box remind people to stay away from the fence.

Description

security fence alarm

technical field

The utility model belongs to the technical field of substation monitoring equipment, in particular to a safety fence alarm.

Background technique

Electronic fence is currently the most advanced perimeter anti-theft alarm system, which consists of electronic fence host and front-end detection fence. The electronic fence host generates and receives high-voltage pulse signals, and can generate alarm signals when the front-end detection fence is in the state of touching the net, short circuit, or open circuit, and sends the intrusion signal to the security alarm center; the front-end detection fence is composed of rods and metal wires and other components Composed of tangible perimeters. However, the wires of the electronic fence have weak electricity, which makes people feel electric shock when they touch the fence, but it will cause harm to children and small animals to a certain extent. At the same time, the staff is working on the periphery of the fence, which will not only cause physical injury to the staff, but also increase false alarms and false alarms. It has no practical application value in the withstand voltage test. At the same time, wires need to be laid, which is not suitable for temporary safety fence settings. In addition, there is an infrared safety fence, but the effective distance of the infrared safety fence is short, and it can only monitor and alarm within a range of about 10 meters, which is not suitable for use in power line maintenance.

Contents of the invention

The technical problem to be solved by the utility model is to provide a safety fence alarm that does no harm to the human body. It provides a visible fence in the wild, and when people or small animals approach, it will send out an audible and visual alarm to expel the approaching people or small animals.

The utility model solves the above technical problems through the following technical solutions:

A safety fence alarm, including a disc bracket, a claw screw, an arc clip and a host, is characterized in that,

The bottom of the disc-shaped bracket is a disc base, and the center of the base is equipped with a pole, one end of the arc clamp is fixed to the host, and the arc part of the arc clamp clamps the pole and is fixed by a horn screw;

The host includes an identification card swiping device, an audible and visual alarm, an invisible laser probe, and a power supply; the identification card swiping device is installed at the tail of the host, and the audible and visual alarm is installed on the top of the host. The invisible laser probe is installed at the front of the host, and the power supply is installed inside the host;

The invisible laser probe includes an invisible laser transmitter and an invisible laser receiver; the invisible laser transmitter emits an invisible laser with a wavelength of 905nm. When the staff blocks the invisible laser, The invisible laser is reflected, and the invisible laser receiver sends an alarm signal to the acousto-optic alarm to warn the staff after receiving the reflected laser. , stop the alarm;

The power supply provides electrical energy for the host.

As an optimization, there is also a visible laser probe, the visible laser probe is arranged below the invisible laser probe; the visible laser probe includes a visible laser emitter; the visible laser emitter emits a wavelength of 532nm visible laser;

As an optimization, there is also an input device, and the input device is a button, which is arranged at the tail of the top of the host, so that the staff can input information;

As an optimization, there is also an output device, which is a display screen, which displays the working status of the host computer and the information input by the input device.

The utility model utilizes the working principle of the laser rangefinder and the characteristics of low attenuation of the long-distance transmission of the invisible laser to facilitate the setting of long-distance safety fences. At the same time, the visible laser is set as the fence indicator, which is convenient at night, especially in rain and fog. The fence instructions in the box remind people to stay away from the fence. When the utility model sends out the alarm signal, only the staff who have recognized the identity can turn off the alarm, so as to avoid misoperation by idlers or children, and improve the safety and reliability of the safety fence alarm.

Description of drawings

Fig. 1 is the utility model embodiment tail structural representation;

Fig. 2 is a schematic diagram of the front structure of the embodiment of the utility model.

detailed description

Below in conjunction with accompanying drawing and embodiment, further elaborate the content of the invention of the utility model.

Safety fence alarm, including disc bracket 8, claw screw 7, arc clamp 6 and host 11,

The bottom of the disc support 8 is a disc base 81, and the center of the base is equipped with a pole 82. One end of the arc clip 6 fixes the main frame 11, and the arc portion of the arc clip 6 clamps the pole 82, and passes through the horn. Screw 7 is fixed;

The host 11 includes an identification card swiping device 1, an audible and visual alarm 4, an invisible laser probe 9, a visible laser probe 10, an input device 3, an output device 2 and a power supply; the identification card swiping device 1 is installed At the tail of the host 11, an output device 2 is installed on the top of the identification card swiping device 1, the sound and light alarm 4 is installed on the top of the host 11, and an input device 3 is installed behind the sound and light alarm 4, so The invisible laser probe 9 is installed on the front of the host 11, and the power supply is installed inside the host 11;

Described invisible laser probe 9 comprises invisible laser emitter and invisible laser receiver; Described invisible laser emitter emission wavelength is the invisible laser of 905nm, when personnel blocks invisible laser, The invisible laser is reflected, the invisible laser receiver receives the reflected laser signal, and sends out an alarm signal to the audible and visual alarm to warn the staff, and the identification card swiping device 1 recognizes the identity of the staff, and sends out Alarm release signal, stop alarm;

The visible laser probe 10 is arranged below the invisible laser probe 9; the visible laser probe 10 includes a visible laser emitter; the visible laser emitter emits a visible laser with a wavelength of 532nm;

The input device 3 is a button, which is arranged at the tail of the top of the host 11, so that the staff can input information;

The output device 2 is a display screen, which displays the working status of the host computer 11 and the information input by the input device 3 .

The power supply provides electrical energy for the host.

Before use, first adjust the height of the host 11 through the claw screw 7 and the arc clamp 6, then place the utility model at a designated position, and then turn on the host 11. When it is night or in rainy and foggy seasons, turn on the visible laser probe 10 , showing the extent of the security fence. When someone or a small animal enters the safety fence, the invisible laser is blocked and reflected, and the invisible laser receiver sends an alarm signal after receiving the reflected invisible laser, and the sound and light alarm 4 sends out a sound and light alarm. The acousto-optic alarm cannot be turned off, and the acousto-optic alarm signal can only be turned off after the authorized staff uses the identification card to pass the authentication of the identification card swiping device 1 . Simultaneously, the utility model can display the specific distance blocked on the output device 2 .

The utility model is applied to a safety fence alarm by referring to the working principle of a laser rangefinder, and at the same time, a visible laser is added as an eye-catching fence to remind non-workers to stay away from the protection range. The utility model has the advantages of simple structure and convenient layout, and is suitable for field construction.

Claims (4)

1. Safety fence alarm, including disc bracket, claw screw, arc clip and host, characterized in that, The bottom of the disc-shaped bracket is a disc base, and the center of the base is equipped with a pole, one end of the arc clamp is fixed to the host, and the arc part of the arc clamp clamps the pole and is fixed by a horn screw; The host includes an identification card swiping device, an audible and visual alarm, an invisible laser probe, and a power supply; the identification card swiping device is installed at the tail of the host, and the audible and visual alarm is installed on the top of the host. The invisible laser probe is installed at the front of the host, and the power supply is installed inside the host; The invisible laser probe includes an invisible laser transmitter and an invisible laser receiver; the invisible laser transmitter emits an invisible laser with a wavelength of 905nm. When the staff blocks the invisible laser, The invisible laser is reflected, and the invisible laser receiver sends an alarm signal to the acousto-optic alarm to warn the staff after receiving the reflected laser. , stop the alarm; The power supply provides electrical energy for the host. 2. safety fence alarm as claimed in claim 1, characterized in that, there is also a visible laser probe, the visible laser probe is arranged below the invisible laser probe; the visible laser probe comprises a visible laser probe Emitter; the visible laser emitter emits visible laser with a wavelength of 532nm. 3. The security fence alarm device according to claim 1, further comprising an input device, the input device is a button, which is arranged at the tail of the top of the host computer, so as to facilitate staff to input information. 4. The safety fence alarm as claimed in claim 1, further comprising an output device, the output device being a display screen, which displays the working state of the host computer and the information input by the input device.