JP2002373390A - Burglar prevention alarm for construction site - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a burglar prevention alarm for construction site, which prevents the burglar of piled construction materials in a construction site where a large quantity of expensive construction materials are heaped. SOLUTION: The burglar prevention alarm for construction site is provided with electric wires with magnets, which have transmitters fitted to the iron plate of the construction material and construction heavy instruction machine, a repeater having a sensor receiving and transmitting a signal showing that the electric wire with magnet is broken away, converting a received alarm signal and transmitting it and portable telephone sets installed in respective companies and operated by the alarm signal from the repeater.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a construction site anti-theft alarm device for preventing theft of construction materials piled up on a construction site where a large amount of expensive construction materials are piled up. It is an invention concerning.

[0002]

2. Description of the Related Art Conventionally, as a measure to prevent construction materials from being stolen from a construction site where a large amount of expensive construction materials are placed, a method of attaching chains to construction materials, construction equipment, and the like so as to prevent the construction materials from being moved, Measures have been taken to cover and lock construction materials.

[0003] However, even if the chains are connected or the cover is hung, there are many cases of theft from construction sites where construction materials, construction equipment and the like are placed.

For example, at the current Joban New Line construction site, a temporary iron plate (a single iron plate weighs 1.6 tons, and the price of a single iron plate is 70,0) only in the Ina and Yawahara districts.
200 yen (a total of 1400,000 yen) was stolen.

[0005] Further, two heavy construction machines (one unit costs 10 million yen) placed at a construction site (total of 2,000 yen).
(¥ 100,000) has been stolen, and other construction materials, working vehicles such as dump trucks that transport construction materials, and equipment such as personal computers installed at site offices have been stolen.

[0006] The trend of police regarding theft of construction materials and construction equipment from such construction sites focuses on investigating violent crime cases and criminal cases that are noticed by the media. Investigation into the case has been inconclusive and indecisive.

[0007]

SUMMARY OF THE INVENTION Accordingly, the present invention is directed to a construction site where a sensor is attached to construction materials, construction heavy equipment, construction equipment, and the like placed on the construction site and the sensor detects an intruder. Send messages to the mobile phone of the site manager or the owner of the heavy equipment at the construction site to send construction materials, heavy equipment,
An object of the present invention is to provide a construction site anti-theft alarm device for preventing theft of construction equipment and the like.

[0008]

According to the present invention, in order to solve the above-mentioned problems, a thin electric wire is connected to a material, a heavy machine, etc. by a magnet or the like, and an intruder moves the material, the heavy machine, etc. Then, the electric wire is disconnected and the sensor reacts, and the repeater sends an alarm message from the sensor to a mobile phone of a site manager, a heavy equipment owner, a telephone of a security company, or the like. Or, the night light attached to the construction site is turned on by the reaction of the sensor, or the configuration of the construction site anti-theft alarm device is characterized in that the camera is operated to take a photograph of the burglar. .

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a construction site anti-theft alarm device according to the present invention. FIG. 1 is an overall view of a case where a construction site anti-theft alarm device according to the present invention operates, and FIG. 2 is a diagram showing a configuration of a construction site anti-theft alarm device according to the present invention.

As shown in FIG. 1, a construction site anti-theft alarm device 1 according to the present invention is installed in a construction site 1a at night. The anti-theft alarm device 1 for a construction site is composed of an iron plate 2b of construction material, an electric wire with magnet 1b attached to a heavy construction machine 2c, etc., a transponder 4 having a sensor 4a and converting and transmitting a warning signal. Mobile phones 5a, 6 installed in 5, 6, 7, 8 and activated by the warning signal
a, 7a and 8a.

As shown in FIG. 1, construction equipment 2 placed in a night construction site 1a, a work vehicle 2a for transporting construction materials, an iron plate 2b of construction materials, a heavy equipment 2c for construction work,
The magnet of the electric wire with magnet 1b is magnetically attached to the mold steel material 2d, and the electric wire with magnet 1b is attached.

When an illegal intruder 3, 3 enters the construction site 1a at night and tries to carry out the construction equipment 2 from the construction site at night, for example, the magnet 1 magnetically attached to the construction equipment 2
d comes off the construction equipment 2.

The magnet 1d of the electric wire with magnet 1b is
, A warning signal is transmitted from a transmitter within the magnets 1d, 1d, 1d,..., And the warning signal is received by the sensor 4a attached to the repeater 4.

A sensor 4a for receiving a warning signal
Is transmitted to the repeater 4, the received and transmitted from the sensor 4a, the transponder 4 converts the received warning signal and converts the received warning signal into the mobile phone 5a of the site manager 5 and the mobile phone 6a of the subcontractor. , A mobile phone 7a of a leasing company 7,
It converts to a mobile phone 8a of the security company 8 and transfers a warning signal.

Conversion by the repeater 4 means that the sensor 4
For example, the warning signal received from a is transmitted to each of the mobile phones 5a, 6a, 7a, and 8a in an easily understandable manner by voice.
It should be translated into the phrase "Drobo has invaded and rush to the construction site."

As described above, since the warning signal is converted into a warning sound and notified to the site manager 5, the subcontractor 6, the leasing company 7, the security company 8, etc., the illegal intruder 3,
3 Theft can be dealt with quickly.

The site manager 5 in FIG. 1 is a manager who manages a construction site at night where construction materials, construction equipment, heavy construction equipment and the like are placed. The subcontractor 6 refers to a company that performs construction work on behalf of a parent contractor, and the subcontractor 6 also places construction materials, construction equipment, and the like at construction sites.

The leasing company 7 is a company that leases construction materials, construction equipment, heavy equipment for construction, and the like to a parent company, a subcontractor 6, etc., which are construction companies. The security company 8 is a company that guards the construction site at night upon request from the construction company.

In the construction site anti-theft alarm device 1, when an intruder 3, 3 enters the construction site 1a at night,
A sensor for detecting the illegal intruders 3, 3 may be provided, and a lighting which is turned on by the operation of the sensor may be provided. Further, a CCD camera operating simultaneously with the sensor may be installed at the construction site at night.

The anti-theft alarm device 1 for a construction site according to the present invention can be installed at a place other than the night construction site 1a.

In order to prevent damage from picking (empty nest), the electric wire with magnet 1b is attached to the entrance door from inside. Further, it may be attached to a valuables storage box or a safe for storing valuables such as doors in each room, sliding doors for opening and closing a closet, a bankbook, and a certified copy of a home register.

The method of installing the electric wire with magnet 1b constituting the anti-theft alarm device 1 for a construction site according to the present invention on construction materials, construction equipment, doors, valuables storage boxes and the like at the construction site is as follows. In addition to installing the electric wire 1b only at one location, a plurality of electric wires with magnets 1b may be simultaneously installed on the same construction material, door, or the like.

By installing a plurality of electric wires with magnets 1b as described above, if one electric wire with magnet 1b does not come off, the other electric wire with magnet 1b comes off, and the anti-theft alarm device 1 for a construction site is provided. This is because it can operate effectively.

The anti-theft alarm device 1 for a construction site according to the present invention may be installed not only on construction materials, construction equipment and the like of the construction site 1a but also on an opening / closing door of a gate entering the construction site. In addition, an electric wire with a magnet may be attached to a field or a greenhouse.

[0025]

As described above, the present invention has a configuration as described above. Therefore, when there is an intruder who has invaded a construction site for the purpose of stealing construction materials, construction equipment, etc., a site manager, a heavy construction machine The owner or security company can quickly know that there is an intruder without noticing the intruder for theft, and can quickly deal with the intruder for theft.

[Brief description of the drawings]

FIG. 1 is an overall view when a construction site anti-theft alarm device according to the present invention operates.

FIG. 2 is a diagram showing a configuration of a construction site anti-theft alarm device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Construction site anti-theft alarm device 1a Night construction site 1b Electric wire with magnet 1c Electric wire 1d Magnet 2 Construction material 2a Transport vehicle 2b Iron plate 2c Heavy equipment for work 2d H-shaped steel material 3 Illegal intruder 4 Repeater 4a Sensor 4b-4e Warning Signal 5 Site Manager 5a Mobile Phone 6 Subcontractor 6a Mobile Phone 7 Leasing Company 7a Mobile Phone 8 Security Company 8a Mobile Phone

 ──────────────────────────────────────────────────続 き Continued on the front page F-term (reference)

Claims (2)

[Claims] An electric wire with a magnet having a transmitter attached to an iron plate of construction material, a heavy construction machine, and the like, and a sensor for receiving and transmitting a signal indicating that the electric wire with a magnet has come off and convert the received warning signal. A burglar alarm device for a construction site, comprising: a repeater for transmitting and transmitting a signal; and a mobile phone installed at each company and activated by a warning signal from the repeater. 2. The anti-theft alarm device for a construction site according to claim 1, wherein an illumination lamp is turned on when the sensor detects a signal.