JP3146947U - Intrusion alarm device - Google Patents

Abstract

Provided is an intrusion alarm device that can easily take a security measure even in a place with a wide area from a narrow area to a complicated terrain at a relatively low cost and is easy to handle.
A combination of a disconnection alarm device and an electric wire is used to cut off the electric wire, disconnect the magnetic connector, and disconnect the contact connector to realize crime prevention for a wide area in Tabata at an inexpensive cost. Is. Since the sensor uses an electric wire and the disconnection alarm is automatically reset, installation and operation tests can be performed by one person. Also, even after the operation once, when the electric wire is connected, it automatically returns to the alert state. When the wires of the detection lines are connected in a loop shape and the circuit is disconnected even at one location, the disconnection alarm circuit is activated and a large acoustic alarm sounds.
[Selection] Figure 1

Description

  Recently, theft damage of agricultural products such as pears, grapes, watermelons and rice has been increasing. Aiming at the time just before harvesting, there are a lot of ways in which multiple thieves invade the field at night and steal it. There is also a nationwide approach to steal a large amount of rice before shipment by intruding into a thin crop warehouse. In addition, wild animals such as bears, wild boars, monkeys, and deer devastated damage from the field crops. The present invention is used to prevent theft of crops that have been carefully cultivated by such cultivators and the damage caused by wild animals. It is also used to detect intrusions into construction material storage areas and hazardous areas, and to detect unauthorized entry into places where access is prohibited.

  Conventionally, an infrared beam sensor has been one of the intrusion prevention measures for the large area of Tabata. This method is effective for a wide area with no obstacles, but there are many malfunctions due to wind dust, fallen leaves, etc., and a large amount of current is consumed, so a commercial power source is required. And the current situation is that the installation work is expensive and is not used much except in special places. In addition, there is a method using the change in electrostatic capacity, but the equipment is exaggerated, and in terms of cost, it could not be used in Tabata.

  In FIG. 1 of this apparatus, when one or more of the wires 1 to 4 are disconnected, the LEDs 1 to 4 corresponding to the broken wires blink and an alarm buzzer sounds. When all the disconnections are connected, it automatically returns to the alert state.

  FIG. 2 of the present apparatus is a connector that uses a conductive magnet so that electrical connection is released when a certain amount of tension is applied.

  FIG. 3 of the present apparatus is a connector that uses a contact force by a metal spring force so that electrical connection is released when a certain amount of tension is applied.

  When this device is installed and wires that are difficult to see are connected, and a thief or wild animal tries to invade the field, an alarm sounds by cutting a part of the body by the wire. In this application, an electric wire is used for the sensor, and if the electric wire is cut and an alarm is generated, if the electric wire is connected again, the alarm is automatically canceled and the normal monitoring state is set.

  When this device is installed and a magnetic connector is connected to an electric wire that is difficult to see, and a thief or wild animal tries to enter the field, a part of the body is taken by the electric wire and the electric connection of the magnetic connector is disconnected. Cause an alarm to sound. In this application, a magnetic connector is used for the sensor, and even if an alarm occurs due to disconnection of the electrical connection of the magnetic connector, if the magnetic connector is connected again, the alarm is automatically canceled and normal The monitoring status becomes.

  When this device is installed, contact type connectors are connected to wires that are difficult to see, and if a thief or wild animal tries to invade the field, a part of the body is taken by the wires and the electrical connection of the contact type connectors is disconnected. Cause an alarm to sound. In this application, a contact type connector is used for the sensor. Even if an alarm is generated due to disconnection of the electrical connection of the contact type connector, if the contact type connector is connected again, the alarm is automatically canceled and the normal operation is performed. The monitoring status becomes.

This plan uses an electric wire for the sensor, and the disconnection alarm is automatically reset, so installation and operation tests can be performed by one person. Also, even after the operation once, when the electric wire is connected, it automatically returns to the alert state. (See [Figure 1])
That is, when the wires are connected in a loop shape in the detection line diagrams of [FIGS. 6 and 7] and the circuit is disconnected even at one position [FIG. 12], the disconnection alarm circuit is activated and a large sound is heard. This is a mechanism to sound an alarm.

This plan uses a magnetic connector in the middle of the wire for the sensor, and the disconnection alarm is automatically reset so that installation and operation tests can be performed by one person. Also, even after the operation once, when the magnetic connector is connected, it automatically returns to a warning state. (See [Figure 1])
That is, when the electric wires are connected in a loop shape in the detection line diagrams of FIG. 8 and FIG. 9 and the electrical connection of the magnetic connector which is a part of the circuit is disconnected [FIG. 13], The disconnection alarm circuit is activated and a loud acoustic alarm sounds.

This plan uses a contact-type connector in the middle of the wire for the sensor, and the disconnection alarm is automatically reset so that installation and operation tests can be performed by one person. In addition, once the contact type connector is connected even after the operation, it automatically returns to a warning state. (See [Figure 1])
That is, when the electric wires are connected in a loop shape in the detection line diagrams of [FIG. 10 and FIG. 11] and the electrical connection of the contact-type connector that is part of the circuit is disconnected [FIG. 14], The disconnection alarm circuit is activated and a loud acoustic alarm sounds.

  Usually, the disconnection alarm cannot be operated for a long time with a dry cell to see if the wire is broken. In addition, when the current flowing through the wire is reduced for long-term operation, the sensitivity of the detector is too high, and the wire is actually disconnected, but the induced current and leakage current are larger than the current flowing through the wire, and cannot be detected. I understand that. (Refer to [Fig. 4]) In the present plan, the current is intermittently passed at a certain magnitude, so that the operation can be performed for a long time and the malfunction of the induced current and the leakage current can be prevented. (See [Figure 5])

  Usually, a disconnection alarm cannot be operated for a long time with a dry battery in order to see if the magnetic connector is disconnected. Also, when the current flowing through the magnetic connector is reduced for long-term operation, the sensitivity of the detector is too high, and the induced current and leakage current are actually larger than the current flowing through the wire even when the magnetic connector is disconnected. It has been found that it cannot be detected. (Refer to [FIG. 4].) In the present plan, the current is intermittently passed at a certain magnitude, so that the operation can be performed for a long time and the malfunction of the induced current and the leakage current can be prevented. (See [Figure 5])

  Usually, the disconnection alarm cannot operate for a long time with a dry battery to see if the contact-type connector is disconnected. Also, when the current flowing through the contact connector is reduced for long-term operation, the sensitivity of the detector is too high, and the induced current and leakage current are actually larger than the current flowing through the wire when the contact connector is disconnected. It has been found that it cannot be detected. (Refer to [FIG. 4]) In the present plan, the current is intermittently passed to a certain magnitude, so that the operation can be performed for a long time and the malfunction of the induced current and the leakage current can be prevented. (See [Figure 5])

  This device is relatively inexpensive and can easily be used for crime prevention even in places with narrow and complicated terrain, and is easy to handle. Can also be used.

1 is an overall configuration diagram of the present invention. It is a magnet type connector sectional view of the present invention. It is a contact type connector structure diagram of the present invention. It is explanatory drawing when the detection line current is lowered for the long time operation of the present invention. It is explanatory drawing when the detection line current of this invention is intermittently flowed to some extent. It is a figure when two strips of detection lines of the present invention are stretched. It is a figure when the 4 detection lines are stretched. It is a figure at the time of using the magnetic connector which stretches the electric wire of this invention 2 lines. It is a figure at the time of using the wire connector of the wire of this invention, and also using a magnetic connector. It is a figure at the time of using a contact-type connector for two wires of the wire of the present invention. It is a figure at the time of using a contact-type connector, further extending the wire of the present invention into four strips. It is a figure of a state where four detection lines of the present invention are stretched and two lower lines are cut. It is a figure of the state where two lines of electric wires of the present invention were stretched and the lower side of the magnetic connector was removed. It is a figure of the state where two lines of electric wires of the present invention were stretched and the upper side of the contact type connector was removed. It is a top view of the installation example of the installation place of a deformation | transformation landform.

Claims (3)

  The disconnection alarm device is composed of a plurality of wires that connect each other. The disconnection alarm device that is turned on by cutting the wires generates a large acoustic alarm that detects the intrusion of thieves and wild animals. An intrusion alarm device with a structure that automatically returns to the alert state when connected.   It consists of a disconnection alarm and a plurality of magnetic connectors that connect each other. When the electrical connection of the magnetic connector is disconnected, a large acoustic alarm is generated from the disconnection alarm that is turned on, and thieves and wild animals An intrusion alarm device with a structure that detects entry and automatically returns to a warning state when a magnetic connector is connected.   It consists of multiple contact-type connectors that connect the disconnection alarm device to each other. When the electrical connection of the contact-type connector is disconnected, a high-acoustic alarm is generated from the disconnection alarm device that is turned on, and thieves and wild animals An intrusion alarm device with a structure that detects entry and automatically returns to a warning state when a contact-type connector is connected.

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