JP3040393B1 - Vending machine anti-theft device - Google Patents

Abstract

Abstract: [PROBLEMS] To improve the situation in which the contents cannot be confirmed due to the change of seasons (rainy season / snow), rainfall, fogging generated on the inner surface of a shielding plate of a door when installed in a humid environment, and the like. SOLUTION: A conductive wire 8 that generates heat when a voltage is applied is vapor-deposited on an inner surface of a shielding plate 4, and a heat radiation action of the conductive wire 8 does not cause fogging generated on an inner surface of the shielding plate 4, thereby confirming the contents. Can be.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vending machine anti-theft device.

[0002]

2. Description of the Related Art A conventional anti-theft device for a vending machine is disclosed in Japanese Utility Model Application Laid-Open No. 61-143283 and Japanese Patent Application Laid-Open No. 59-1368.
No. 90 is disclosed.

[0003] Hereinafter, the conventional vending machine anti-theft device will be described with reference to the drawings.

FIG. 5 is a perspective view of a conventional anti-theft device for a vending machine, and FIG. 6 is a control block diagram of the anti-theft device for a conventional vending machine. 5 and 6, reference numeral 1 denotes a main body of the vending machine. 2 is a door arranged on the front of the main body 1, 3 is a product selection button provided on the door 2, 4 is a shielding plate made of a transparent member for confirming the contents inside, and 5 is deposited on the entire inner surface of the shielding plate 4. The conductive wire 6 is a control device that is connected to both ends of the conductive wire 5 and an alarm 7 that issues an alarm, and is disposed on the door 2.

The operation of the vending machine anti-theft device configured as described above will be described below.

A small current is constantly output from the control device 6 to the conductive wire 5 deposited on the shielding plate 4. When the shielding plate 4 is broken or damaged by theft, the deposited conductive wire 5 is cut off, and the current output from the control device 6 stops. The control device 6 detects this output stop, supplies a voltage to the alarm device 7, and activates an alarm sound.

[0007]

However, in the above-mentioned conventional configuration, the inner surface of the shielding plate 4 becomes cloudy due to changes in the season (rainy season / snow), raining, installation in a humid environment, etc. There was a disadvantage that it could not be done.

SUMMARY OF THE INVENTION The present invention has been made to solve the conventional problems, and has as its object to provide an anti-theft device for a vending machine which does not cause fogging generated on the inner surface of a shielding plate.

Further, the above-mentioned conventional configuration has a drawback that when a shield plate that has been destroyed by theft is replaced, the conductive wire deposited on the shield plate is hard-wired to the control device, so that it cannot be easily replaced. Was.

Another object of the present invention is to allow a broken shield to be easily replaced.

[0011]

According to the present invention, in order to achieve the above object, a conductive wire deposited on an inner surface of a shielding plate is a conductive wire which generates heat by applying a voltage.

This makes it possible to prevent the fogging generated on the inner surface of the shielding plate from changing due to seasonal changes (rainy season / snow), raining, installation in a humid environment, or the like, due to the heat radiation effect of the conductive wire.

According to another aspect of the present invention, there is provided a connector for separating a conductive wire deposited on a shielding plate from a wiring of a control device.

Thus, when the broken shield plate is replaced, the wiring is separated by inserting and removing the connector, and only the shield plate is replaced, which is easy.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a door provided with a shielding plate from which contents can be confirmed, a conductive wire which generates heat when a voltage is applied, and the conductive wire printed / deposited or embedded on at least one surface of the shielding plate. The formed shielding plate, a voltage applying means for outputting a voltage to the conductive wire, and a control device provided with a disconnection detecting means for detecting a disconnection of the conductive wire and outputting to an alarm device, The conductive wire is used as a means for detecting breakage of the shielding plate, and is further used in combination with a conductive wire as a heating element.

The radiating action of the conductive wire as a heating element eliminates opacity due to fogging attached to the inner surface of the shielding plate.

Further, the control device is provided with voltage switching means for switching the voltage supplied to the conductive wire.

Then, the voltage switching means can switch the voltage output to the conductive wire according to the use such as the change of the four seasons, the installation environment, the demand for power saving, and the like.

[0019] Further, there is provided a connector capable of separating the wiring connection between the shielding plate and the control device.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vending machine antitheft device according to the present invention will be described below with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 is a perspective view of an anti-theft device for a vending machine according to Embodiment 1 of the present invention. FIG.
FIG. 2 is a control block diagram of the vending machine antitheft device of the first embodiment.

In FIG. 1 and FIG. 2, a door 2 arranged on the front surface of the main body 1 has a product selection button 3, a shielding plate 4 for confirming the contents of the product, and a transparent member made of glass or hard resin. . 8 is deposited on the inner surface of the shielding plate 4,
A conductive wire 9 consisting of a heating element that generates heat when a predetermined voltage is applied; 9 is a voltage applying means 1 for outputting a voltage to the conductive wire 8
0 and a disconnection detecting means 11 for detecting disconnection of the conductive wire 8 and outputting it to the alarm 7.

The operation of the vending machine anti-theft device configured as described above will be described below.

A predetermined voltage required for heat generation is constantly supplied from the voltage applying means 10 of the control device 9 to the conductive wires 8 deposited on the shielding plate 4. When the shielding plate 4 is destroyed,
The conductive wire 8 deposited on the inner surface of the shielding plate 4 is cut, and the voltage output from the voltage applying means 10 stops. This output stop is detected by the disconnection detecting means 11 of the control device 9, and a new voltage is supplied to the alarm device 7,
Activate an alarm sound to notify the outside that a theft is occurring.

As described above, in the anti-theft device for a vending machine according to the present embodiment, when the shielding plate 4 is broken by theft or the like, the disconnection detecting means 11 detects the disconnection of the conductive wire 8 and outputs the alarm 7 Is a configuration that outputs a voltage for operating the. Furthermore,
The conductive wire 8 is used together as a heating element for removing the fogging adhered to the inner surface of the shielding plate 4, so that the contents can be always checked. In addition, in the case of installation in a snowfall area or the like, even if there is snow on the surface of the shielding plate 4, the conductive wire 8 has a heat dissipating action to generate heat, thereby providing a snow melting effect.

(Embodiment 2) FIG. 3 is a control block diagram of an anti-theft device for a vending machine according to Embodiment 2 of the present invention.

In FIG. 3, reference numeral 12 denotes voltage applying means 13 for outputting a voltage to the conductive wire 8 deposited on the shielding plate 4, voltage switching means 14 for switching the output voltage of the voltage applying means 13, A control device comprising a disconnection detecting means for detecting a disconnection and outputting it to the alarm device, wherein the voltage switching means switches between a predetermined voltage at which the conductive wire generates heat and a voltage at which no heat is generated by switching the voltage. The voltage is output to the application unit 13 and converted by the voltage application unit 13 to output the supply voltage to the conductive line 8.

In this embodiment, a voltage switching means 13 is provided in the anti-theft device for a vending machine according to the first embodiment.

The operation of the vending machine anti-theft device configured as described above will be described below.

When the conductive wire 8 is heated, the control device 12
A predetermined voltage generated by the voltage switching means 14 is output to the voltage applying means 13 and, after conversion, is supplied to the conductive line 8. When the conductive wire 8 is not to be heated, the control device 12
A voltage which does not generate heat from the voltage switching means 14 is output to the voltage applying means 13 and is converted and supplied to the conductive line 8, thereby providing the conductive wire 8 which does not generate heat.

As described above, the anti-theft device of the vending machine of the present embodiment is composed of the voltage switching means 14 for outputting the voltage supplied to the conductive wire 8 and the voltage applying means 13 for converting and outputting. In addition to detecting the destruction of the shielding plate 4 and increasing the output voltage to the conductive wire 8, it is possible to remove the snow that has accumulated on the surface of the shielding plate 4, and to cause the fogging of the inner surface of the shielding plate 4. If not, power consumption can be reduced by switching the output voltage.

(Embodiment 3) FIG. 4 is a control block diagram of a vending machine anti-theft device according to Embodiment 3 of the present invention.

In FIG. 4, reference numeral 15a denotes a connector in which both ends of the conductive wire 8 deposited on the shielding plate 4 are attached by wiring, and 15b is a connector.
Is a pair of connectors corresponding to the connector 15a, one of which is a voltage applying means 10 provided in the control device 9, and the other is an electric wire 16a, which is connected to the connector 15b.
16b. It is arranged in the vicinity of the shielding plate 4 and the continuous connectors 15a and 15b are connected.

In this embodiment, connectors 15a and 15b are provided in the vending machine antitheft device according to the first embodiment.

The operation of the vending machine anti-theft device configured as described above will be described below.

When the shielding plate 4 is destroyed due to theft or the like and needs to be replaced, the connection of the connectors 15a and 15b is released, the shielding plate 4 is removed from the door 2, and a good product is assembled into the door 2. , And the connectors 15a and 15b.

As described above, the anti-theft device for a vending machine according to the present embodiment comprises a connector 15a in which both ends of a conductive wire 8 deposited on a shielding plate 4 are connected by wiring, and a voltage applying device provided in a control device 9. Since it is composed of the means 10 and the connector 15b connected by wiring, the shield plate 4 can be removed simply by inserting and removing the connection of the connectors 15a and 15b, and the replacement operation can be simplified.

[0038]

As described above, according to the present invention, since the heat-generating conductive wire is deposited on the inner surface of the shielding plate, it can be used in a change of the season (rainy season / snow), rain rising, installation in a humid environment, and the like. The fogging generated on the inner surface of the shielding plate can be prevented from adhering due to the heat radiation effect of the conductive wire. Further, since the conductive wire is used as a detecting means for detecting the breakage of the shielding plate and a different element utilizing the heat radiation effect of the conductive wire that generates heat is used in combination, a significant cost reduction can be achieved. In addition, when the contents to be sold are warm products, the heat retaining effect can be enhanced. In addition, the power supply of the alarm is mostly dry batteries,
Although it is inferior in life, by supplying voltage from the controller,
The power of the alarm can be stabilized.

Further, by providing the voltage switching means for switching the supply voltage to the conductive wire, the supply voltage can be set arbitrarily, so that snow that accumulates on the surface of the shielding plate does not adhere to a snowfall area or the like.・ Snow can be thawed,
Furthermore, when there is no problem such as fogging on the inner surface of the shielding plate, power consumption can be reduced by switching the output voltage.

In addition, by disposing a connector capable of separating the wiring connection between the conductive wire deposited on the shield plate and the voltage applying means near the shield plate, the shield plate can be replaced.
The shield can be removed simply by inserting and removing the connector.
Exchange is easy. Further, the wiring connection assembly on the side of the voltage applying means becomes unnecessary, so that it is completed in a short time.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of a vending machine anti-theft device according to the present invention;

FIG. 2 is a control block diagram of the vending machine anti-theft device of the embodiment.

FIG. 3 is a control block diagram of Embodiment 2 of a vending machine anti-theft device according to the present invention;

FIG. 4 is a control block diagram of Embodiment 3 of a vending machine anti-theft device according to the present invention;

FIG. 5 is a perspective view of a conventional anti-theft device for a vending machine.

FIG. 6 is a control block diagram of a conventional vending machine anti-theft device;

[Explanation of symbols]

 2 Door 4 Shield 7 Alarm 8 Conductive wire 9, 12 Controller 10, 13 Voltage applying means 11 Voltage detecting means 14 Voltage switching means 15a, 15b Connector 16a, 16b Electric wire

Claims (3)

(57) [Claims] 1. A door provided with a shield plate on which contents can be confirmed, a conductive wire that generates heat when a voltage is applied, and the shield plate formed by printing, depositing or embedding the conductive wire on at least one surface of the shield plate. A vending machine, comprising: a control device comprising: a voltage application unit that outputs a voltage to the conductive line; and a disconnection detection unit that detects a disconnection of the conductive line and outputs it to an alarm device. Anti-theft device. 2. The anti-theft device for a vending machine according to claim 1, wherein a voltage switching means for switching a voltage supplied to the conductive wire is provided in the control device. 3. The anti-theft device for a vending machine according to claim 1, further comprising a connector for separating a connection line between a control line and a conductive line printed, vapor-deposited or embedded on the shielding plate.