JP2001222774A - Disconnection detection sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a disconnection detection sheet which can surely detect the impacts to be detected that are given to an automatic vending machine or the window glass. SOLUTION: A conductive material 4 is fixed on one of both sides of a sheet-like matter 3 to form a single circuit and the matter 3 has plural cut parts 3a, 3a... formed in the direction crossing the material 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disconnection detecting sheet attached to a vending machine, a window glass, or the like.

[0002]

2. Description of the Related Art In recent years, for example, vending machines handle a wide variety of drinks, cigarettes, snacks, and other snacks, as well as magazines, newspapers, and dry batteries. Beside roads, streets, parks,
There are a wide variety of highway drive-ins, station premises, buildings and factories.

[0003] The above-mentioned vending machines are often installed in places where people are almost inaccessible at night, and are liable to be stolen by inexperienced persons. That is, using a tool such as a hammer or a crowbar to break the hinges, locks, and the product take-out part of the door, or pry open the free end of the door to insert it into the vending machine. They take away the stored sales and merchandise.

[0004] For the purpose of preventing theft by the above-mentioned vandalism, Utility Model Registration No. 2537946 proposes a disconnection detection sheet provided with a conductor and a synthetic resin film holding the conductor. If this disconnection detection sheet is provided in an appropriate place where the impact of the vending machine may be applied in advance, when a strong impact is applied to the vending machine by a tool such as a hammer, the impact causes the conductor to be applied. The disconnection is detected by a disconnection detection circuit that is electrically connected to the conductor, and an alarm sound or light is emitted, which prevents the vending machine from being destroyed or prevents vending It is possible to notify a central management center or a security company that manages the machine of an abnormal situation and take measures against vandalism.

[0005]

However, in the above-described conventional disconnection detecting sheet, when an impact is applied to a vending machine, the synthetic resin film that holds the conductive material diffuses the shock that would be applied to the conductive material. There is a possibility that the disconnection detection sheet may not be able to detect the impact even though the impact is applied to the vending machine to such an extent as to be detected.

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-described circumstances, and has as its object to surely detect an impact to a vending machine, window glass, or the like when the impact is to be detected. The object of the present invention is to provide a disconnection detection sheet capable of performing the above.

[0007]

In order to achieve the above object, a disconnection detecting sheet according to the present invention comprises a sheet and a conductor fixed to one surface of the sheet to form a single circuit. Wherein the sheet-like body has a plurality of cutout portions formed in a direction crossing the conductor (claim 1).

With the above configuration, it is possible to provide a disconnection detecting sheet capable of reliably detecting an impact to a vending machine, window glass, or the like when the impact is to be detected. Become.

Further, if release paper is provided on the other surface side of the sheet-like material via an adhesive (claim 2), it is possible to provide a disconnection detection sheet that can be easily installed. .

[0010] Further, there are provided two sheet-shaped members and a conductor sandwiched between the two sheet-shaped members to form a single circuit, wherein the two sheet-shaped members are connected to the conductor. It may have a plurality of notches formed in the direction of intersection.

Further, a plurality of cutout portions formed in the two sheet-like bodies may be formed at opposing portions of each sheet-like body (claim 4).
Release paper may be provided on one of the outer surfaces of the two sheet-like bodies via an adhesive.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1A is a perspective view schematically showing a configuration of a vending machine 1 to which a disconnection detecting sheet D according to a first embodiment of the present invention is attached. Vending machine 1
Has a door 2 provided on the front surface, which can be opened and closed freely for replenishment of goods. On the upper part of the door 2, there are provided display units 2b for displaying a plurality of viewing main bodies 2a, 2a,... Holding product display labels (not shown; hereinafter, referred to as labels). In the lower part of the vending machine 2b, there are arranged push buttons 2c, 2c... For selecting a product in association with the main body 2a, and in the lower part of the front face of the vending machine 1, a product outlet 2d is provided. In addition, 2e is a coin slot, 2f is a bill slot, 2g is a change slot, and 2h is a change return operation lever.

[0013] Appropriate points S, on the outer surface of the vending machine 1
S..., That is, when a person who attempts to steal the sales money or the goods stored in the vending machine 1 or a person who aims to destroy the vending machine 1 applies an impact using a tool such as a hammer. Disconnection detection sheets D, D,... Are attached to assumed locations S, S... (For example, hinge portions, lock portions, etc. on the outer peripheral surface of the door 2). This disconnection detection sheet D is
When a person who intends to perform vandalism for theft or the like applies an impact to the vending machine 1 using a device such as a hammer, a warning action (for example, a warning) that also serves as a warning to the person who applied the impact (E.g., generation of sound, message, light, etc.) to stop vandalism, or to notify the central management center or security company that manages the vending machine 1 of the impact and to destroy the vandalism. It is provided to respond to the act.

FIGS. 2 and 3A are a front view and a partially enlarged front view schematically showing the structure of the disconnection detecting sheet D, and FIGS. FIG. 3 is a partially enlarged longitudinal sectional view and a partially enlarged transverse sectional view schematically showing a configuration. The disconnection detection sheet D includes a sheet 3
And a linear conductor 4 fixed to one surface of the sheet 3 and forming a single circuit, and adhered to the other surface of the sheet 3 via an adhesive (not shown). Release paper 5 to be attached.

The sheet-like body 3 is a member formed of, for example, a synthetic resin film and having a substantially rectangular shape in a front view. The sheet-like body 3 corresponds to parallel portions 4a, 4a,. And a plurality of notched portions 3a, 3a,.

As shown in FIG. 4A, the cut-out portion 3a may be provided so as to penetrate the sheet 3 in the thickness direction thereof, and as shown in FIG. Alternatively, only the upper part of the sheet 3 may be cut away, and as shown in FIG.
The shape may be such that it becomes thinner from one surface side to the other surface side.

The linear conductor 4 is formed so as to meander so that a single thin conductive wire made of a metal such as copper or aluminum does not overlap, thereby covering a specific range almost uniformly. It has a plurality of parallel portions 4a that are parallel to each other in plan view. The plurality of cutout portions 3a are formed in a direction crossing each parallel portion 4a of the conductor 4 (for example, orthogonal to the illustrated portion).

Both ends 4b, 4b of the linear conductor 4
Are connected to a disconnection detection circuit (not shown). The disconnection detection circuit is activated when a disconnection occurs in the linear conductor 4, and outputs a predetermined signal to an alarm drive unit (not shown) and / or a management unit (not shown) of an alarm unit (not shown) to be described later. (Not shown). In addition, the both ends 4b,
4b is formed on a protruding portion 3 'continuously provided on the side of the sheet-like body 3 having a substantially rectangular shape in a plan view. With such a configuration, both end portions provided on the protruding portion 3' 4
Since the positions of b and 4b can be immediately recognized, the disconnection detection sheet D is excellent in terms of workability and the like.
Of course, the both ends 4b, 4b are
However, the present invention is not limited to this configuration, and may be provided at a location other than the protruding portion 3 '. In that case, the protruding portion 3' need not be provided.

The alarm section comprises an alarm device (not shown) and the alarm device driving device for driving the alarm device. When a predetermined signal is transmitted to the alarm device, the alarm driving device drives the alarm device.

The alarm device may be a device which uses a loud alarm sound or generates a message such as "occurrence of theft" or "dobo" at a high volume as an alarm means. A device that emits light intermittently or the like may be used as the alarm unit. Further, these alarm means may be appropriately combined and used.

The alarm device and the alarm device driving device may both be provided inside the vending machine 1, or the alarm device driving device may be provided inside the vending machine 1, and the alarm device may be provided in the vending machine. 1 may be provided outside.

The management unit is, for example, a centralized management center or a security company that manages the vending machine 1, and receives a predetermined signal from the activated disconnection detection circuit by radio or the like, and the vending machine 1 is to recognize that an abnormality (theft) is occurring, and to deal with it.

The release paper 5 is configured to be easily peeled from the back side of the sheet-like body 3. To install the disconnection detection sheet D, as shown in FIG. It is only necessary to peel off the release paper 5 and attach the other side of the sheet 3 from which the release paper 5 has been peeled to an appropriate location S of the vending machine 1.

The disconnection detecting sheet D having the above configuration is
The surface is painted so that its existence cannot be recognized from the outside.

The cutout portions 3a, 3a,... Of the disconnection detecting sheet D according to the present invention having the above-described structure are provided to achieve the following effects. That is, when an impact is applied to a certain portion of the disconnection detection sheet D, the conductor 4 formed in that portion extends somewhat together with the sheet-like body 3, and further, when the impact force is equal to or more than a certain value,
The conductor 4 is cut, but if the cutout portion 3a is not formed in the sheet 3, the impact applied to a certain portion of the disconnection detection sheet D is applied to the sheet 3.
Are diffused and absorbed, and even if an impact is applied to the disconnection detection sheet D to the extent that detection is required, the disconnection detection sheet D often cannot detect the impact. However, when the notch portions 3a, 3a,... Are provided in the sheet member 3, the notch portions 3a, 3a,.
When a shock is applied to the disconnection detection sheet D, the sheet-like body 3
The sheet-like body 3 hardly diffuses and absorbs the impact applied to the disconnection detection sheet D. That is, the impact applied to the disconnection detecting sheet D is efficiently transmitted to the plurality of parallel portions 4a, 4a,.
are more easily disconnected, and the sensitivity of the disconnection detection sheet D to the impact applied to the predetermined location S of the vending machine 1 is improved.

Next, the operation of the disconnection detecting sheet D will be described. For example, a person or the like who wants to steal the sales proceeds, merchandise, and the like stored in the vending machine 1 attempts to destroy the vending machine 1 by using a device such as a hammer, and thereby the vending machine 1 When an impact is applied to the disconnection detection sheet D provided at an appropriate location S on the outer surface by the above-described device or the like, the impact causes the conductor 4 of the disconnection detection sheet D
Is disconnected, and the disconnection detection circuit that detects the disconnection operates. When a predetermined signal is sent from the disconnection detection circuit to the alarm unit, an alarm is driven to provide an alarm (for example, a loud alarm sound, etc.) that also serves as a warning to the person who performed the vandalism. ) To notify the surroundings that an abnormality (theft) is occurring in the vending machine 1 and prevent destructive acts on the vending machine 1 from occurring. Further, when a predetermined signal is sent from the disconnection detecting circuit to the management unit, the management unit recognizes that the vending machine 1 is becoming abnormal (stolen) and takes appropriate measures. is there.

In the disconnection detecting sheet D having the above structure, the adhesive and the release paper 5 may not be provided on the back surface of the sheet 3, and in this case, for example, on the other surface of the sheet 3. The disconnection detection sheet D may be provided by applying an adhesive and attaching the disconnection detection sheet D to an appropriate portion of the vending machine 1.

The disconnection detecting sheet D having the above configuration is
The vending machine alone is not used as a protection target. For example, when the disconnection detection sheet D is provided on a door, a window, or a window glass of a building such as a building or a school, a door provided with the disconnection detection sheet D is provided. It is possible to prevent a trespasser from entering a building through windows and windows.

The disconnection detecting sheet D having the above configuration is
In particular, when an impact such as pulling the parallel portions 4a, 4a... Of the conductor 4 in the length direction thereof is received, cuts are easily made from both ends of each cutout portion 3a provided in the sheet-like body 3. Therefore, the impact applied to the disconnection detection sheet D is efficiently applied to the parallel portions 4a, 4a of the conductor 4.
, And the conductor 4 is disconnected. That is, the disconnection detection sheet D has excellent sensitivity to impact. When a shock to be detected is applied to the vending machine 1 or the like, the disconnection detection sheet D provided on the vending machine 1, the window glass, or the like can reliably detect the shock.

FIG. 5 is a longitudinal sectional view schematically showing a configuration of a disconnection detection sheet D ₂ according to a second embodiment of the present invention. Note that members having the same structures as those shown in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The disconnection detection sheet D ₂ includes two sheets 3 and 3, a conductor 4 sandwiched between the two sheets 3 and 3 to form a single circuit, and the two sheets 3 and 3. Release paper 5 adhered to one of the other surfaces of the bodies 3 and 3 via an adhesive (not shown). That is, the disconnection detection sheet D
₂ differs from the disconnection detection sheet D of the first embodiment only in that two sheets 3 are used instead of one sheet.

A plurality of cutout portions 3a, 3a,... Formed in the two sheet members 3, 3 are formed at opposing portions of each sheet member 3.

The other configuration is the same as that of the first embodiment, and the description is omitted.

[0033] In the disconnection detection sheet D ₂ the above structure, it is possible to cover and protect the conductor 4 by the two sheet-like member 3,3, resulting in disconnection detection sheet D of the first embodiment In addition to the effect, the disconnection detection sheet D ₂
Also, the effect of preventing the conductor 4 from being damaged during transportation can be obtained.

Further, the disconnection detection sheet D ₂ the above structure can also achieve the effects described below. That is, the disconnection detection sheet D _2, in particular, if it is installed outdoors, the dust on the surface, such as dust and dirt (hereinafter, simply referred to as dust), but will be adhered, Ya when the humidity becomes higher When water is added to the dust, for example, in rainy weather, the dust becomes conductive. here,
Assuming that the conductor 4 is not covered with the sheet 3,
If it is exposed to the outside, the conductive dust will be formed on the surface of the conductor 4. Therefore, even if the conductor 4 is disconnected, if the conductive dust covers the disconnected portion, the conductive state is continuously maintained even after the conductor 4 is disconnected by the conductive dust. In addition, there is a possibility that the performance of detecting a disconnection is deteriorated, and accordingly, an appropriate disconnection cannot be detected. However, the disconnection detection sheet D ₂ of the second embodiment, the surface of the conductor 4 covers the sheet product 3, since it is a state in which the conductor 4 is isolated from the outside, of the conductor 4 The conductive dust is not formed on the surface, and it is possible to reliably prevent the disconnection detecting ability from being lowered or stopped as described above.

In order to obtain the above effects, the conductor 4
The notch portion 3a formed in the sheet-like body 3 provided on the front side is preferably so shallow that the tip does not reach the conductor 4, and the notch portion 3a provided on the back side of the conductor 4 The notch 3a formed in the body 3
It is preferable to make the conductor 4 deeper to more surely cut the conductor 4, and the tip may be formed so as to reach the conductor 4.

[0036] FIG. 6 is a front view schematically showing the disconnection of the sensor sheet D ₃ structure according to the third embodiment of the present invention. Note that members having the same structure as those shown in the above two embodiments are denoted by the same reference numerals, and description thereof will be omitted. The disconnection detection sheet D ₃ is formed such that the sheet-like body 3 has a substantially circular shape when viewed from the front rather than a substantially rectangular shape, as compared with the disconnection detection sheet D of the first embodiment. Linear conductor 4 formed on one surface of sheet 3
Is formed not to have a plurality of parallel portions 4a, 4a, but to have a plurality of concentric arc portions 4c. Then, the plurality of cutout portions 3 formed in the sheet 3
are formed in a direction intersecting with the linear conductor 4 which is almost a curve only when viewed from the front. More specifically, the cutout portions 3a, 3a Are formed in a direction orthogonal to the tangents of the plurality of arc portions 4c, and are arranged substantially radially. Note that the arrangement of the cutout portions 3a, 3a,... May be determined in consideration of the density thereof being substantially constant. That is, for example, when the cutout portions 3a, 3a ... are radially arranged, the cutout portions 3a, 3a ... are not provided uniformly from the center to the peripheral edge of the sheet-like body 3, and the cutout portions 3a, 3a ... are not provided. 3a are arranged from the center to the peripheral edge of the sheet 3 and the notches 3a, 3
a ... may be provided only at the peripheral edge of the sheet 3.

[0037] In the disconnection detection sheet D ₃ the above structure in addition to the first examples resulting effect, it is possible to obtain the following effects. That is, for example, FIG.
As shown in FIG.
are parallel to each other, each parallel portion 4
a in order to more surely cause the disconnection of the
Are provided in parallel to each other, and are also parallel to each other. for that reason,
When an impact (tensile force) in the length direction of each of the parallel portions 4a is applied to the disconnection detection sheet D, disconnection is likely to occur, but an impact (tensile force) in a direction perpendicular to each parallel portion 4a.
Is added, disconnection is unlikely to occur. Therefore, it is necessary to predict the direction in which the impact (tensile) will be applied, and to determine the direction of application. In contrast, in the disconnection detection sheet D ₃ of the third embodiment, there is nothing that disconnection occurs hardly direction as described above, even any direction of impact (tensile) is applied, without fail the impact ( Because it is configured so that there is a part where disconnection is likely to occur due to tension), it is not necessary to predict the direction in which the impact (tension) will be applied and decide the direction to apply, without considering the direction No inconvenience occurs even if it is attached to

[0038] FIG. 7 is a front view schematically showing the disconnection of the sensor sheet D ₄ structure according to a fourth embodiment of the present invention. Note that members having the same structure as those shown in the above three embodiments are denoted by the same reference numerals, and description thereof will be omitted. Disconnection detection sheet D ₄ is different from the disconnection detection sheet D of the first embodiment, the sheet-shaped member 3 is formed to be substantially circular instead of its front view is substantially rectangular, Also,
The linear conductor 4 formed on one surface side of the sheet 3 is
It does not have a plurality of parallel portions 4a, 4a, and is formed so as to have a plurality of linear portions 4d arranged in the radial direction of the sheet-like body 3. The plurality of cutout portions 3a, 3a,... Formed in the sheet 3 are formed in a direction crossing the conductor 4, and more specifically, the cutout portions 3a, 3a,. Are formed in a direction orthogonal to the plurality of linear portions 4d of the body 4,
One or more concentric circles are arranged.

The effect obtained by the disconnection detection sheet D ₄ having the above-described structure is substantially the same as that of the third embodiment.

In each of the disconnection detecting sheets D ₃ and D ₄ of the third and fourth embodiments, the conductor 4
If configured to hold the by the two sheet-like body 3, 3, it is possible to obtain also the same effect as the disconnection detection sheet D ₂ of the second embodiment.

Further, in the second, third and fourth embodiments,
Disconnection detection sheet D_Two, D_ThreeAnd D _FourIn each
To form the protruding portion 3 'shown in the first embodiment.
And the both ends 4b, 4b of each conductor 4 are connected to the projecting portions 3 '.
It may be provided above. With this configuration,
Similar to the disconnection detection sheet D of the first embodiment, the construction surface
In any case, it will be good.

[0042]

According to the present invention having the structure described above, when an impact to be detected is applied to a vending machine, a window glass, or the like, a disconnection detection sheet capable of reliably detecting the impact. Can be provided.

[Brief description of the drawings]

FIG. 1A is a perspective view schematically showing a configuration of a vending machine to which a disconnection detection sheet according to a first embodiment of the present invention is attached, and FIG. 1B is a method of using the disconnection detection sheet. It is a perspective view which shows schematically.

FIG. 2 is a plan view schematically showing a configuration of the embodiment.

FIG. 3A is a partially enlarged plan view schematically showing the configuration of the embodiment, and FIGS. 3B and 3C are partially enlarged longitudinal sectional views schematically showing the configuration of the embodiment. And a partially enlarged transverse sectional view.

FIGS. 4A, 4B, and 4C are partially enlarged cross-sectional end views schematically showing a configuration of a cutout portion of the sheet-like body of the embodiment.

FIG. 5 is a longitudinal sectional view schematically showing a configuration of a disconnection detecting sheet according to a second embodiment of the present invention.

FIG. 6 is a front view schematically showing a configuration of a disconnection detecting sheet according to a third embodiment of the present invention.

FIG. 7 is a front view schematically showing a configuration of a disconnection detection sheet according to a fourth embodiment of the present invention.

[Explanation of symbols]

3 ... sheet-like body, 3a ... cutout part, 4 ... conductor, D
… A disconnection detection sheet.

Claims (5)

[Claims] 1. A sheet-like body, and a conductor fixed to one surface side of the sheet-like body and forming a single circuit, wherein the sheet-like body is directed in a direction crossing the conductor. A disconnection detection sheet having a plurality of cutout portions formed. 2. The disconnection detecting sheet according to claim 1, wherein a release paper is provided on the other surface of the sheet-like body via an adhesive. 3. A semiconductor device comprising: two sheet-shaped members; and a conductor sandwiched between the two sheet-shaped members to form a single circuit, wherein the two sheet-shaped members are connected to the conductor. A disconnection detection sheet having a plurality of cutout portions formed in a crossing direction. 4. The disconnection detection sheet according to claim 3, wherein a plurality of cutout portions formed in the two sheet-like bodies are formed at opposing portions of each sheet-like body. 5. The disconnection detecting sheet according to claim 3, wherein a release paper is provided on one of the outer surfaces of the two sheet-like bodies via an adhesive.