JP3383786B2 - Disconnection detection sheet - Google Patents

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, a variety of beverages, cigarettes, snacks, and other snacks and snacks are sold in vending machines, as well as magazines, newspapers, dry batteries, etc. Roadside, street, park,
There are a wide variety of highway drive-ins, station premises, buildings, factories, etc.

By the way, the above-mentioned vending machine is often installed in a place where most people cannot approach at night, and is easily subject to theft by an unscrupulous person. In other words, by using a powerful hammer or a tool such as a crowbar, you can destroy the hinge part, the lock part, the product take-out part, etc. that are the mounting parts of the door, or pry open the free end side of the door, It takes away the stored sales and goods.

[0004] In order to prevent theft by vandalism as described above, in the Utility Model Registration No. 2537946, JP-conductor and a synthetic resin film arm for holding the conductor
Bei disconnection detection sheet example has been proposed. If this disconnection detection sheet is provided in advance at an appropriate place where the impact of the vending machine may be applied, when a strong impact is applied to the vending machine by a tool such as a hammer, the conductor is damaged by the impact. A wire breakage is detected, and a wire breakage detection circuit electrically connected to the conductor detects the wire breakage, and an alarm sound or light is emitted.This prevents the vending machine from being destroyed or automatically sells it. It is possible to notify the central control center that manages the machine, the security company, etc. of the abnormal situation so as to deal with the vandalism.

[0005]

However, in the above-mentioned conventional disconnection detecting sheet, when the vending machine is impacted, the synthetic resin film holding the conductor diffuses the impact that should be applied to the conductor. There is a possibility that the wire breakage detection sheet cannot detect the impact even though the vending machine is impacted and the impact is applied to the vending machine.

The present invention has been made in view of the above matters, and an object of the invention is to reliably detect an impact when an impact to an extent to be detected is applied to a vending machine, a window glass or the like. The purpose of the present invention is to provide a disconnection detection sheet that can be used.

[0007]

In order to achieve the above object, the disconnection detecting sheet of the present invention is formed of a synthetic resin film.
And the sheet-shaped body has been made, is fixed on one side of the sheet product, and a linear conductor to form a single circuit, the sheet product is, disconnection of the conductor due to applied impact
In order to facilitate the occurrence of the electric shock, a plurality of cutout portions are formed so as to face the conductor in a direction intersecting with the conductor (claim 1).

With the above structure, it is possible to provide a disconnection detecting sheet capable of surely detecting an impact when it is applied to a vending machine, a window glass or the like. Become.

Further, when the release paper is provided on the other surface side of the sheet-like body through an adhesive (claim 2), it is possible to provide a disconnection detection sheet which is easy to install. .

Further , two sheet-like members formed of a synthetic resin film and sandwiched between these two sheet-like members,
A linear conductor that forms a single circuit, and the two sheet-shaped members are disconnected by the conductor due to an applied shock.
In order to facilitate the occurrence of the above, it may have a plurality of cutout portions formed in a direction intersecting with the conductor (claim 3).

Further, a plurality of cutout portions formed on the two sheet-shaped bodies may be formed at positions facing each other (Claim 4).
A release paper may be provided on the outer surface side of either one of the two sheet-like bodies through an adhesive (claim 5).

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1A is a perspective view schematically showing a configuration of an automatic vending machine 1 to which a disconnection detecting sheet D according to the first embodiment of the present invention is attached. Vending machine 1
Has a door 2 on the front surface that can be opened and closed to replenish products. At the upper part of the door 2, there is provided an exhibition part 2b for exhibiting a plurality of viewing main bodies 2a, 2a ... Holding product display labels (not shown; hereinafter referred to as labels). In the lower part of 2b, push buttons 2c, 2c, ... For selecting products are arranged in association with the respective viewing bodies 2a, and in the lower part of the front surface of the vending machine 1, a product outlet 2d is provided. 2e is a coin slot, 2f is a banknote slot, 2g is a change port, and 2h is an operation lever for returning change.

Appropriate locations S on the outer surface of the vending machine 1,
S ... That is, when a person who tries to steal the sales money or the products stored in the vending machine 1 or a person who intends to destroy the vending machine 1 gives a shock by using a tool such as a hammer. The disconnection detection sheets D, D ... Are attached to the supposed locations S, S ... (For example, the hinge portion, the lock portion, etc. of the outer peripheral surface of the door 2). This disconnection detection sheet D is
When a person who intends to perform vandalism for the purpose of theft impacts the vending machine 1 with a tool such as a hammer, an alarm action that also warns the person who impacted the vending machine 1 (for example, a warning Sound, message, light, etc.) to stop the vandalism, or notify the centralized control center or the security company that manages the vending machine 1 that the shock has occurred and destroy it. It is provided for the purpose of dealing with actions.

2 and 3A are a front view and a partially enlarged front view schematically showing the structure of the disconnection detection sheet D, and FIGS. 3B and 3C are views of the disconnection detection sheet D. FIG. 3 is a partially enlarged vertical sectional view and a partially enlarged transverse sectional view schematically showing the configuration. The disconnection detection sheet D is the sheet-shaped body 3
And a linear conductor 4 fixed to one surface side of the sheet-like body 3 and forming a single circuit, and attached to the other surface side of the sheet-like body 3 with an adhesive (not shown). And the release paper 5 to be worn.

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, and is parallel to parallel portions 4a, 4a ... Of a linear conductor 4 which will be described later in the front view. Has a plurality of cutout portions 3a formed in a vertical direction.

As shown in FIG. 4 (A), the cutout portion 3a may be provided so as to penetrate the sheet-like body 3 in its thickness direction, and as shown in FIG. 4 (B). The sheet-like body 3 may be formed by cutting out only the upper portion thereof, and as shown in FIG.
The shape may be tapered from one surface side to the other surface side.

The linear conductor 4 is formed so that one thin conductive wire made of a metal such as copper or aluminum is meandered so as not to overlap with each other so as to cover a specific range substantially uniformly. It has a plurality of parallel portions 4a that are parallel to each other in a plan view. Further, the plurality of cutout portions 3a, 3a ... Are formed in a direction intersecting (for example, orthogonal to as shown in the drawing) each parallel portion 4a of the conductor 4.

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

The alarm unit comprises an alarm device (not shown) and the alarm device driving device for driving the alarm device. The conductor 4 is disconnected, and the disconnection detection circuit causes the alarm driving device. The alarm driving device drives the alarm device by sending a predetermined signal to the alarm device.

As the alarm device, in addition to a loud alarm sound, a device which generates a message such as "theft has occurred" or "throwout" at a high volume may be used as an alarm means, and a rotating indicator light or a red light may be used. A device that emits light intermittently may be used as the alarm means. Furthermore, these alarm means may be used in appropriate combination.

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 inside the vending machine 1. The configuration may be provided outside the first unit.

The management unit is, for example, a centralized management center for managing the vending machine 1, a security company, or the like, and receives a predetermined signal from the activated disconnection detection circuit by radio or the like, thereby automatically selling the vending machine. This is for recognizing that an abnormality (theft) is occurring in 1 and dealing with it.

The release paper 5 is constructed so that it can be easily peeled off from the back side of the sheet-like body 3. To install the disconnection detecting sheet D, as shown in FIG. It suffices to peel off the release paper 5 and attach the other surface side of the sheet-like body 3 from which the release paper 5 has been peeled off to an appropriate place S of the vending machine 1.

The disconnection detecting sheet D having the above-mentioned structure is
The surface is painted so that it cannot be seen from the outside.

The cutout portions 3a, 3a, ... Of the disconnection detecting sheet D of the present invention having the above-mentioned 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 to some extent together with the sheet-like body 3, and when the impact force is a certain value or more,
Although the conductor 4 is cut, when the cutout portion 3a is not formed in the sheet-like body 3, the impact applied to a certain portion of the disconnection detecting sheet D is applied to the sheet-like body 3.
In many cases, the wire breakage detection sheet D cannot detect the shock even if the wire breakage detection sheet D receives a shock to the extent that it needs to be detected. However, when the cutout portions 3a, 3a ... Are provided in the sheet-like body 3, the cutout portions 3a, 3a.
Is easily cut in the length direction of the sheet, and when an impact is applied to the disconnection detecting sheet D, the sheet-like body 3 is immediately cut.
The sheet-like body 3 hardly diffuses and absorbs the impact applied to the disconnection detection sheet D by making a plurality of cuts. That is, since the impact applied to the disconnection detection sheet D is efficiently transmitted to the parallel portions 4a, 4a ... Of the conductor 4, the parallel portion 4 is effectively transmitted.
a, 4a ... Are more likely to be 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 who tries to steal the sales proceeds or the products stored in the vending machine 1 tries to destroy the vending machine 1 by using a tool such as a hammer, so that the vending machine 1 When a shock is applied to the disconnection detecting sheet D provided at an appropriate location S on the outer surface by the device or the like, the conductor 4 of the disconnection detecting sheet D is caused by the impact.
Disconnects, 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, the alarm device is driven to warn the person who performed the sabotage (for example, a loud alarm sound). ) Is issued, it is possible to inform the surroundings that an abnormality (theft) is occurring in the vending machine 1, and it is possible to prevent a destructive act on the vending machine 1 in advance. Further, when a predetermined signal is sent from the disconnection detection circuit to the management unit, the management unit recognizes that an abnormality (theft) is occurring in the vending machine 1 and takes appropriate measures. is there.

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

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

The disconnection detecting sheet D having the above structure is
In particular, when the parallel portions 4a, 4a ... Of the conductor 4 are subjected to an impact such as pulling in the lengthwise direction, notches are likely to be formed from both ends of each notch 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.
Is transmitted to the conductor 4 to break the conductor 4. That is, the disconnection detection sheet D has excellent impact sensitivity. Then, the disconnection detection sheet D provided on the vending machine 1, the window glass, or the like can reliably detect the shock when the shock to be detected is applied to the vending machine 1 or the like.

FIG. 5 is a vertical sectional view schematically showing the construction of the disconnection detecting sheet D ₂ according to the second embodiment of the present invention. The members having the same structure as those shown in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. The disconnection detection sheet D ₂ includes two sheet-like bodies 3 and 3, a conductor 4 sandwiched between the two sheet-like bodies 3 and 3 and forming a single circuit, and the two sheet-like bodies. The release paper 5 is attached to the other surface of either one 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 sheet-like bodies 3 are used instead of one.

The plurality of cutout portions 3a, 3a, ... Formed in the two sheet-like bodies 3, 3 are formed at the positions of the sheet-like bodies 3 facing each other.

The rest of the configuration is the same as that of the first embodiment, so its explanation is omitted.

In the disconnection detecting sheet D _{2 having the} above structure, since the conductor 4 can be covered and protected by the two sheet-like bodies 3 and 3, the disconnection detecting sheet D of the first embodiment can be obtained. in addition to the effects provided, disconnection detection sheet D ₂
It is also possible to obtain an effect that it is possible to prevent the electric conductor 4 from being scratched when the electric conductor 4 is transported.

Further, the disconnection detecting sheet D _{2 having} the above-mentioned structure can also obtain the following effects. That is, when the disconnection detection sheet D ₂ is installed outdoors, dust, dust, dirt, and the like (hereinafter, simply referred to as “dust”) will adhere to the surface thereof, but when the humidity becomes high, When water is added to the dust in rainy weather, the dust becomes conductive. here,
If the conductor 4 is not covered with the sheet-like body 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 broken, if the conductive dust covers the broken portion, the conductive dust keeps the conductive state even after the conductor 4 is broken. However, there is a possibility that the performance of detecting disconnection may be deteriorated, and accordingly, proper disconnection may not be detected. However, in the disconnection detection sheet D ₂ of the second embodiment, the surface of the conductor 4 is covered with the sheet-like body 3 and the conductor 4 is in a state of being isolated from the outside. Since the conductive dust is not formed on the surface, it is possible to reliably prevent the disconnection detection ability from being lowered or stopped as described above.

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

FIG. 6 is a front view schematically showing the construction of the disconnection detecting sheet D ₃ according to the third embodiment of the present invention. It should be noted that members having the same structures as those shown in the above two embodiments are designated by the same reference numerals, and the 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, as compared with the disconnection detection sheet D of the first embodiment, and , A linear conductor 4 formed on one surface of the sheet-like body 3
Is formed so as not to have a plurality of parallel portions 4a, 4a ... And to have a plurality of concentric arc portions 4c. Then, the plurality of cutout portions 3 formed in the sheet-like body 3
a, 3a ... Are formed so as to face the linear conductor 4 which is almost only curved when viewed from the front. More specifically, the cutout portions 3a, 3a. The arcuate portions 4c, 4c ... Are formed so as to face in a direction orthogonal to the tangent line, and are arranged substantially radially. The arrangement of the cutout portions 3a, 3a ... May be determined in consideration of the fact that the density is substantially constant. That is, for example, when the cutout portions 3a, 3a ... Are radially arranged, the cutout portions 3a, 3a ... Are not evenly provided from the central portion to the peripheral portion of the sheet-shaped body 3, and the cutout portions 3a, 3a. 3a ... Placed from the central portion of the sheet-like body 3 to the peripheral portion, and the cutout portions 3a, 3
.. may be provided only on the peripheral portion of the sheet-like body 3.

With the disconnection detecting sheet D _{3 having the} above-mentioned structure, the following effects can be obtained in addition to the effects obtained by the first embodiment. That is, for example, in FIG.
In the first embodiment, as shown in FIG.
Since a, 4a ... Are parallel to each other, each parallel portion 4
In order to more reliably cause the disconnection of a, each parallel portion 4a
The plurality of cutout portions 3a, 3a, which are provided so as to be orthogonal to each other are also parallel to each other. for that reason,
When an impact (tensile force) in the length direction of each parallel portion 4a is applied to the disconnection detection sheet D, a disconnection is likely to occur, but an impact (tensile force) in a direction orthogonal to each parallel portion 4a.
If a wire is added, disconnection is unlikely to occur. Therefore, it is necessary to predict the direction in which the impact (tensile force) will be applied and to decide the direction of application. On the other hand, in the disconnection detection sheet D ₃ of the third embodiment, there is no direction in which disconnection is unlikely to occur as described above, and no matter in which direction impact (tensile) is applied, that impact ( Since there is a portion where disconnection is likely to occur due to (pulling), there is no need to predict the direction to which impact (pulling) will be applied and decide the direction to attach, without considering the direction. There is no inconvenience even if it is attached to.

FIG. 7 is a front view schematically showing the construction of the disconnection detecting sheet D ₄ according to the fourth embodiment of the present invention. The members having the same structures as those shown in the above-mentioned three embodiments are designated by the same reference numerals, and the description thereof will be omitted. The disconnection detecting sheet D ₄ 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 detecting sheet D of the first embodiment. Also,
The linear conductor 4 formed on one surface side of the sheet-like body 3 is
It is formed so as not to have a plurality of parallel portions 4a, 4a ... And 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 on the sheet-like body 3 are formed so as to face the conductor 4 in more detail. More specifically, the cutout portions 3a, 3a. Formed in a direction orthogonal to the plurality of straight line portions 4d, 4d ... Of the body 4,
One or more concentric circles are arranged.

The effect obtained by the disconnection detecting sheet D ₄ having the above structure is almost the same as that of the third embodiment.

In the disconnection detection sheets D ₃ and D ₄ of the third and fourth embodiments, the conductor 4 is used.
If the sheet is sandwiched between the two sheet-like bodies 3 and 3, the same effect as that of the disconnection detecting sheet D ₂ of the second embodiment can be obtained.

Further, in the disconnection detecting sheets D ₂ , D ₃ and D ₄ of the second, third and fourth embodiments, the protruding portions 3'shown in the first embodiment are formed respectively, The both ends 4b, 4b of the conductor 4 are connected to the protruding portion 3 '.
It may be provided above. With this configuration,
Similar to the disconnection detection sheet D of the first embodiment, the construction surface is good.

[0042]

According to the present invention having the structure as described above, when a shock to be detected is applied to a vending machine, a window glass or the like, the disconnection detecting sheet can surely detect the shock. Can be provided.

[Brief description of drawings]

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

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

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

4 (A), (B) and (C) are partially enlarged cross-sectional end views each schematically showing a configuration of a cutout portion of the sheet-shaped body of the above embodiment.

FIG. 5 is a vertical cross-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 detecting sheet according to a fourth embodiment of the present invention.

[Explanation of symbols]

3 ... Sheet-like body, 3a ... Notch portion, 4 ... Conductor, D
… Disconnection detection sheet.

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-11-66409 (JP, A) Registered utility model 3047945 (JP, U) Registered utility model 3059083 (JP, U) Utility model registration 2537946 (JP, Y2) Registered utility model 47945 (JP, Z2) Registered utility model 59131 (JP, Z2) Registered utility model 59083 (JP, Z2) (58) Fields investigated (Int.Cl. ⁷ , DB name) G08B 13/12 G01V 3 / 00

Claims (5)

(57) [Claims] And the sheet-shaped body which is formed by 1. A synthetic resin film is fixed to one side of the sheet product, and a linear conductor to form a single circuit, the sheet product is,
Makes it easier for the conductor to break due to the applied shock
Therefore, disconnection detection sheet characterized by having a plurality of cut-out portion which is formed toward a direction intersecting the conductor. 2. The disconnection detection sheet according to claim 1, wherein a release paper is provided on the other surface side of the sheet-like body via an adhesive. 3. Two sheet-like bodies formed of a synthetic resin film, and a linear conductor sandwiched between these two sheet-like bodies to form a single circuit, wherein the two sheet- like bodies are provided. The sheet-like body causes the disconnection of the conductor due to the applied impact.
A disconnection detection sheet having a plurality of cutout portions formed in a direction intersecting with the electric conductors so as to facilitate twisting. 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 positions facing each other of the sheet-like bodies. 5. The disconnection detection sheet according to claim 3, wherein a release paper is provided on the outer surface side of either one of the two sheet-shaped bodies via an adhesive.