CN211827487U - Safety device for commodity anti-theft - Google Patents

Abstract

The utility model discloses a safety device for commodity theft prevention, which comprises a take-up device and a light guide cable; the light-guide cable is operatively connected to the take-up and configured to at least partially surround the item of merchandise; the take-up device comprises a rotating shaft, wherein the rotating shaft is configured to be capable of at least partially accommodating a light guide cable; the take-up device also comprises an alarm module and a locking mechanism; the locking mechanism is configured to lock and/or release the rotating shaft, and the rotating shaft cannot rotate when in a locking state; allowing the rotation shaft to rotate when in a released state; the alarm module is configured to monitor changes of optical signals in the light guide cable to judge whether the integrity of the light guide cable is damaged or not, so as to judge whether the commodity is in a safe state or not and respond to whether a safety signal and/or an alarm signal is sent out or not; the utility model discloses use simple structure, reasonable in design, occupation space is little, the strong safety device who is used for commodity theftproof of environmental suitability.

Description

Safety device for commodity anti-theft

Technical Field

The utility model relates to a commodity sales promotion device field, more specifically the utility model relates to a safety device for commodity theftproof that uses in the scene is sold to show commodity.

Background

The commodity display and sale is an open sale mode, in the commodity display and sale place, some commodities for display are placed in an open or semi-open manner, the commodities may not participate in direct sale, but the commodities and the directly sold commodities have completely consistent functions, a buyer or an experiencer entering the commodity display place can experience all or part of functions of commodities actually sold in the display place through the complete or partial use of the displayed commodities, the specific commodity displayed in the display place is generally called as an exhibit in the industry, so the exhibit is required to be set, on one hand, based on the attributes of the commodities, the functions of a plurality of commodities can be visually displayed, or even if the commodity is not displayed, the function can be known through specifications or general knowledge consumed by the public, such as daily chemicals, however, with the development of science and technology, many products are necessary or not necessary but are more common in daily life, and on the contrary, many functions of the commodities are not visible from the surface but can be reproduced, so that the functions can be repeatedly experienced or tried out, and a buyer or an experiencer can better know the commodities, which can provide good experience effects for an experiencer to promote the purchase of the commodities to a great extent, and in addition, the use problems of some buyers can be solved in the experience process, so that the after-sale workload is reduced, and therefore the display and sale of the commodities are more and more popular with consumers and merchants.

In the prior art, the mode of displaying and selling is most used for selling electronic products, the electronic products meet the characteristics of experience commodities to the maximum extent, the hidden function of the electronic products can be reused almost infinitely in the experience process, and normal experience behaviors can not damage the commodities except depreciation. Because the display goods are contacted with the experiencer or the purchaser at a zero distance, in addition to a supporting surface or supporting equipment for supporting and displaying, the most urgent need is for the merchants to prevent the display goods from being stolen, although the display goods are not used for selling, the display goods have the value of the goods which are not less than the value of the goods for selling except depreciation, once the display goods are stolen, direct loss is caused to the merchants, and therefore, along with the development of the display and sales industry, how to effectively prevent the theft and display the characteristics of the products as far as possible becomes a development direction.

Disclosure of Invention

The utility model overcomes prior art's is not enough, uses simple structure, reasonable in design, and occupation space is little, the strong safety device that is used for commodity theftproof of environmental suitability.

The technical scheme of the utility model as follows:

a safety device for commodity theft prevention comprises a wire take-up device and a light guide cable;

the light-guide cable is operatively connected to the take-up and configured to at least partially surround the item of merchandise;

the take-up device comprises a rotating shaft, wherein the rotating shaft is configured to be capable of at least partially accommodating a light guide cable;

the take-up device also comprises an alarm module and a locking mechanism;

the locking mechanism is configured to lock and/or release the rotating shaft, and the rotating shaft cannot rotate when in a locking state; allowing the rotation shaft to rotate when in a released state;

the alarm module is configured to monitor changes in the optical signal in the optical cable to determine whether the integrity of the optical cable is damaged, thereby determining whether the merchandise is in a safe state and in response, whether to send out a safety signal and/or an alarm signal.

Further, a power supply is included, the power supply configured to provide operating power for the safety device.

Further, an optical sensor is included that is configured to convert the optical signal to an electrical signal.

Further, a light source is included for generating the light signal. The choice of light source is not necessarily limited, but a light source with better penetration force can be preferred, and the accuracy can be improved.

Furthermore, the light guide cable comprises one or more light guide wire cores, wherein at least one light guide wire core is used for transmitting the optical signal generated by the light source to the optical sensor.

Further, an unlocking interface is included and is configured to cause the locking mechanism to release the spindle in response to receiving an external unlocking signal.

Further, the alarm module comprises a processor for controlling the working state.

Further, the alarm module comprises a buzzer for alarming and/or indicating the working state.

Further, an induction coil is included, configured for detection by an external induction device.

Further, the safety device also comprises an indicator light for indicating the working state.

Compared with the prior art, the utility model the advantage lies in:

1. the utility model discloses alarm module is configured to the light signal change judgement in the monitoring leaded light cable, whether leaded light cable is cut to judge whether commodity is in the safety condition, and whether the response sends safety signal and/or alarm signal. An induction coil is also provided and is configured for detection by an external induction device, so that the whole safety device is prevented from being stolen.

Adopt the leaded light cable to come to detect alarm signal and transmit, compare conventional cable signal detection, leaded light cable production technology is simpler, and signal transmission is more stable, and the cable is buckled because of fatigue and is leaded to partial fibre core disconnection often can appear among the conventional cable signal detection process to the intermittent type condition appears, increases the wrong report phenomenon and appears.

2. The utility model discloses structurally have simple structure, reasonable in design, the structure is reliable, long service life's advantage. The utility model discloses between device main part and supplementary fixed lid on the whole, form the constraint space through four connecting wires that the leaded light cable alternates to form, to the commodity that needs carry out the show, install in the constraint space can, because the difference of commodity shape, size and size, the leaded light cable can carry out the appropriate deformation of bending and live the commodity with fixed protection, wants to take off the commodity and can only break off the leaded light cable and realize.

3. The utility model discloses the pivot is configured to can hold some leaded light cables at least; specifically, an annular space capable of accommodating part of the light guide cable is arranged at the position where the light guide cable passes through the take-up device. The bottom of the annular space is connected with the device body through the rotating shaft, and relative movement between the bottom of the annular space and the device body can be carried out through the rotating shaft, so that the effect of retracting and releasing the light guide cable is achieved, the display commodity is closely attached, and the commodity is prevented from being taken down easily.

4. The locking mechanism of the utility model is configured to lock and/or release the rotating shaft, and the rotating shaft can not rotate when in a locking state; allowing the rotation shaft to rotate when in a released state; the locking mechanism may further include an unlocking interface configured to control the shaft to be released or locked in response to receiving an external unlocking signal.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings, there is shown in the drawings,

fig. 1 is a schematic view of a light guide cable according to the present invention;

fig. 2 is a schematic view of another light-guiding cable according to the present invention;

fig. 3 is a schematic diagram of the light guide cable weaving of the present invention;

fig. 4 is a side view of the present invention from fig. 3;

FIG. 5 is a schematic view of the safety device of the present invention;

fig. 6 is another schematic view of the safety device of the present invention;

fig. 7 is a schematic diagram of a deformation of a portion of the safety device of the present invention;

fig. 8 is a schematic view of the present invention;

fig. 9 is a circuit diagram of an optical signal power supply of the present invention;

fig. 10 is a circuit diagram of the optical signal control circuit of the present invention;

fig. 11 is a circuit diagram of a processor according to the present invention;

fig. 12 is a power supply circuit diagram of the present invention;

fig. 13 is a circuit diagram of a buzzer of the alarm module of the present invention;

fig. 14 is a communication circuit diagram of the present invention.

The figure is marked with: light guide cable 1, indicator light 2, device body 3, auxiliary fixing cover 4, bottom 5 of annular space, commodity 6.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in the figure, the safety device for preventing the theft of the commodities comprises a wire take-up device and a light guide cable 1.

The light-conducting cable 1 is operatively connected to a take-up and is configured to at least partially surround an item of merchandise 6. The wire take-up device comprises a device body 3 and an auxiliary fixing cover 4, wherein the light guide cable 1 extends out from one side of the device body 3, passes through one side of the auxiliary fixing cover 4, the other side of the device body 3 and the other side of the auxiliary fixing cover 4 and returns to one side of the device body 3. Here the two ends of the light guiding cable 1 are located on the same side of the device body 3, but at different positions. Thus, the bound space is formed by four connecting lines formed by inserting the light guide cable 1 between the device body 3 and the auxiliary fixing cover 4 as a whole. To the commodity 6 that needs carry out the show, install in the constraint space can, because the difference of 6 shapes of commodity, size and dimension, light guide cable 1 can carry out the appropriate deformation of bending in order to fix and protect commodity 6, wants to take off commodity 6 and can realize through disconnection light guide cable 1.

The both ends of leaded light cable 1 can adopt one end to set up the light source and be used for producing light signal, generally adopt the LED lamp to give out light, and the other end sets up light signal receiver, perhaps both ends all are provided with the LED lamp and give out light and light signal receiver. Naturally, the light guide cable 1 may be directly formed with a bound space by using other number such as four or two. Among other things, optical signal receivers generally employ optical sensors configured for converting optical signals into electrical signals. The light guide cable 1 comprises one or more light guide wire cores, wherein at least one light guide wire core is used for transmitting an optical signal generated by the light source to the optical sensor.

The circuit comprises an optical signal control circuit and an optical signal power circuit, wherein the optical signal power circuit comprises a voltage stabilizing circuit chip U5, a capacitor C1 and a capacitor C2, a pin No. 2 and a pin No. 3 of the voltage stabilizing circuit chip U5 are respectively connected with one ends of the capacitor C2 and the capacitor C1, the other ends of the capacitor C2 and the capacitor C1 are grounded, and a pin No. 1 of the voltage stabilizing circuit chip U5 is grounded. The pin 2 of the voltage regulator circuit chip U5 serves as a voltage input terminal, and the pin 3 of the voltage regulator circuit chip U5 serves as a 3.3V output voltage terminal. The output voltage end is connected with the optical signal control circuit.

The optical signal control circuit comprises a chip U6, a capacitor C4, a resistor R3, a light emitting diode LED2, a photosensitive resistor Q3 and a resistor R4. Pin No. 1 of the chip U6 is connected to one end of the capacitor C4, and this pin is connected to the 3.3V voltage terminal of the optical signal power supply circuit, and the other end of the capacitor C4 is grounded. The No. 7 pin of the chip U6 is connected with one end of a resistor R4, the other end of the resistor R4 is connected with the anode of a light emitting diode LED2, and the cathode of the light emitting diode LED2 is grounded. Pin 8 of chip U6 is connected to ground. The light signal that puts emitting diode LED2 and send passes through the light guide wire core and conducts the signal to photo resistor Q3, and the one end of photo resistor Q3 is connected with the 3.3V voltage end of light signal power supply circuit, and the other end of photo resistor Q3 is connected with the one end of resistance R4, and the other end of resistance R4 ground connection. The optical sensor is generally implemented mainly using the photo resistor Q3.

The take-up device comprises a rotating shaft, wherein the rotating shaft is configured to be capable of at least partially accommodating the light guide cable 1; specifically, an annular space capable of accommodating part of the light guide cable 1 is arranged at a position where the light guide cable 1 passes through the take-up device. The bottom 5 of the annular space is connected with the device body through the rotating shaft, and the rotating shaft can move relative to the bottom 5 of the annular space and the device body, so that the light guide cable 1 can be retracted and released, the display commodity 6 can be closely attached to the display commodity, and the display commodity 6 can be prevented from being taken down easily.

The take-up device also comprises an alarm module and a locking mechanism; the locking mechanism is configured to lock and/or release the rotating shaft, and the rotating shaft cannot rotate when in a locking state; allowing the rotation shaft to rotate when in a released state; wherein a conventional tensioning device is also provided between the bottom 5 of the annular space and the device body to avoid that the conduit cable is easily released after being contracted, resulting in that the goods 6 are easily taken down. The locking mechanism may further include an unlocking interface configured to control the shaft to be released or locked in response to receiving an external unlocking signal.

The alarm module is configured to monitor the light signal change determination in the light guide cable 1, determine whether the light guide cable 1 is cut, determine whether the merchandise 6 is in a safe state, and respond to whether to send out a safety signal and/or an alarm signal. The alarm module comprises a processor circuit for controlling the working state, and the processor circuit is electrically connected with the optical sensor. The processor comprises a chip U2, a capacitor C11, a resistor R5, a resistor R10 and a light-emitting diode LED 1. Pin No. 1 of the chip U2 is connected to one end of the capacitor C11, and the end is connected to the 3.3V voltage end, the other end of the capacitor C11 is grounded, and pin No. 7 of the chip U2 is connected to one end of the photo resistor Q3 of the optical signal control circuit, which is connected to the resistor R4. Pin 6 of the chip U2 is connected to one end of the resistor R5, the other end of the resistor R5 is connected to the anode of the LED1, and the cathode of the LED1 is grounded. Wherein, the LED1 is used for indicating the working state.

The wire take-up device further comprises a power supply, wherein the power supply is configured to provide working power for the safety device, and the power supply adopts a button battery arranged in the device main body 3 and is electrically connected with the alarm module. Or, the power supply adopts a No. 5 battery and a No. 7 battery which are arranged in the device body and are electrically connected with the alarm module. Wherein, the power can be charged through the external power supply. The specific circuit is as follows:

the power supply comprises a chip U3, a voltage stabilizing chip U4, a capacitor C9, a capacitor C10, a capacitor C20, a battery BT1 and a resistor R12; a No. 4 pin of the chip U3 is connected with one end of the capacitor C9, and the end is used as a voltage access end; the other end of the capacitor C9 is grounded; a No. 5 pin of the chip U3 is connected with one end of the resistor R12, and the other end of the resistor R12 is grounded; pin No. 2 of chip U3 is grounded. Pin 3 of the chip U3 is connected to the positive electrode of the battery BT1, one end of the capacitor C10, and pin 3 of the regulator chip U4, and serves as the VB output voltage. The negative terminal of the battery BT1 is grounded together with the other terminal of the capacitor C10. Pin 1 of the regulator chip U4 is grounded, and pin 2 of the regulator chip U4 is connected to one end of the capacitor C20, and this end serves as a 3.3V output voltage end. The other terminal of the capacitor C20 is connected to ground.

The alarm module may further comprise a buzzer for alarming and/or operating state indication. The specific circuit comprises a triode Q1, a resistor R13, a resistor R14, a resistor R1, a triode Q2, an inductor L3 and a buzzer U9; the No. 7 pin of a chip U2 of the processor circuit is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the base of a triode Q2, the emitting electrode of the triode Q2 is grounded, the collecting electrode of a triode Q2 is connected with one end of a resistor R13, the other end of the resistor R13 is connected with one end of the resistor R14 and the base of a triode Q1, the other end of the resistor R14 is connected with the emitting electrode of a triode Q1, and the other end is connected with a VB voltage end. The collector of the triode Q1 is connected with one end of a capacitor L3 and one end of a buzzer U9, the other end of the capacitor L3 is connected with the other end of the buzzer U9, and the third end of the capacitor L3 is grounded.

Preferably, the alarm module further includes a communication circuit for wirelessly connecting to the outside. The communication circuit comprises a chip U1, a capacitor C18, a capacitor C19, a capacitor C5, a capacitor C3, a capacitor C15, a capacitor C21, a capacitor C7, a capacitor C12, an inductor L2, a crystal oscillator Y1 and a communication antenna; a crystal oscillator Y1 is connected between the No. 1 pin and the No. 16 pin of the chip U1, two ends of the crystal oscillator Y1 are respectively connected with one ends of a capacitor C18 and a capacitor C19, and the other ends of the capacitor C18 and the capacitor C19 are grounded; the pin 2 of the chip U1 is connected to one end of the capacitor C12 and one end of the inductor L2, and the other end of the inductor L2 is connected to one end of the capacitor C7 and the communication antenna. The other end of the capacitor C7 and the other end of the capacitor C12 are grounded. Pin 3 and pin 4 of the chip U1 are grounded. The No. 5 pin, the No. 6 pin and the No. 9 pin of the chip U1 are connected with a 3.3V voltage end, the ends are connected with one ends of a capacitor C3, a capacitor C15 and a capacitor C21, and the other ends of the capacitor C3, the capacitor C15 and the capacitor C21 are grounded. The capacitor C5 is connected between the No. 7 pin and the No. 8 pin of the chip U1, and the No. 8 pin of the chip U1 is grounded. No. 11 pin, No. 12 pin, No. 13 pin and No. 14 pin of the chip U1 are respectively connected with No. 2 pin, No. 5 pin, No. 3 pin and No. 4 pin of the chip U2, and a resistor R10 is connected between the No. 15 pin of the chip U1 and the No. 3 pin of the chip U2.

The security device further comprises an induction coil configured for detection of an external induction device, avoiding theft of the entire security device. The induction coil may be a prior art EAS mode-like device that allows the security device and protected merchandise to remain within a location and upon leaving the location, an alarm may be triggered.

In conclusion, the light guide cable 1 woven in a special mode is connected with the device main body 3 and the auxiliary fixing cover 4 of the take-up device, the display commodities 6 are placed between the device main body 3 and the auxiliary fixing cover 4 and are bound through the light guide cable 1, and the rotating shaft of the locking mechanism is contracted to bound the space so as to stably protect the display commodities 6. The conduction circuit is judged through the photoelectric signal, the photoelectric signal is stable under the normal condition, and the signal transmission of the light guide cable 1 is stable. When the commodity 6 is stolen, the light guide cable 1 is disconnected from the transmission signal, and the alarm module cannot receive the corresponding electric signal, so that the instruction is sent to start the indicator lamp 2 and the buzzer. Naturally, when the whole safety device is taken down and stolen, an external induction coil is arranged, and the induction coil is connected with the alarm module, so that the corresponding instruction can be sent to start the indicator lamp 2 and the buzzer according to the change of the induction current in time.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.

Claims (10)

1. A safety device for commodity theft prevention is characterized by comprising a take-up device and a light guide cable;

the light-guide cable is operatively connected to the take-up and configured to at least partially surround the item of merchandise;

the take-up device comprises a rotating shaft, wherein the rotating shaft is configured to be capable of at least partially accommodating a light guide cable;

the take-up device also comprises an alarm module and a locking mechanism;

the locking mechanism is configured to lock and/or release the rotating shaft, and the rotating shaft cannot rotate when in a locking state; allowing the rotation shaft to rotate when in a released state;

the alarm module is configured to monitor changes in the optical signal in the optical cable to determine whether the integrity of the optical cable is damaged, thereby determining whether the merchandise is in a safe state and in response, whether to send out a safety signal and/or an alarm signal.

2. The security device of claim 1, comprising a power source configured to provide operating power to the security device.

3. A security device according to claim 1, comprising an optical sensor arranged to convert an optical signal into an electrical signal.

4. A security device for the theft of merchandise according to claim 1 including a light source for generating a light signal.

5. The security device of claim 1, wherein the light-conducting cable comprises one or more light-conducting cores, at least one of which is used to transmit the light signal generated by the light source to the optical sensor.

6. The security device of claim 1, comprising an unlocking interface configured to cause the locking mechanism to release the spindle in response to receiving an external unlocking signal.

7. The security device of claim 1, wherein said alarm module comprises a processor for operating state control.

8. A security device according to claim 1, wherein said alarm module comprises a buzzer for alarm and/or status indication.

9. A security device for the theft protection of merchandise according to claim 1, including an induction coil configured for detection by an external induction device.

10. The security device of claim 1, further comprising an indicator light for indicating the status of the device.

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