CN210466614U - Safety device for commodity anti-theft - Google Patents

Abstract

The utility model provides a safety device for commodity theft prevention, which comprises a base and a sensor, wherein the base is operably combined to a supporting surface and is used for supporting the sensor and/or the commodity; a sensor capable of being directly or indirectly connected to an article of merchandise, the sensor comprising a cable comprising at least one metal fiber wire, the cable configured to be operatively connected to the base; the security device is configured to trigger the security device to issue a security signal and/or alarm when the cable is broken and/or the article is illegally removed from the sensor. The utility model discloses used the cable that contains the metal fiber wire, so makeed in signal transmission, with under the thickness specification, the utility model discloses a cable possesses that signal transmission performance is good, is resistant to buckle, and soft and the stretch-proofing advantage of texture, the utility model discloses can be done the cable very thin very soft, still can transmit the signal betterly, reduce the volume that the cable occupy moreover, promote user experience.

Description

Safety device for commodity anti-theft

Technical Field

The utility model relates to a commodity theftproof field especially relates to a safety device for commodity theftproof.

Background

With the development of commodity experience type services, the display and experience functions of commodities are more opened to purchasers or potential purchasers, and meanwhile, the requirement for commodity theft prevention is continuously increased. On the one hand, the various requirements of the experience person are met as much as possible, all functions of the commodity and the side which is the most good and convenient are displayed to the experience person as much as possible, on the other hand, the possible stealing behaviors of the person who is in good care are prevented, and the hidden danger that the commodity is possibly stolen in the displaying and experiencing process is reduced or even eliminated as much as possible.

At present, a safety device for commodity theft prevention is generally adopted to ensure the safety of commodities and meet the experience requirements of customers. Most of the security devices for preventing the theft of commodities comprise cables, the cables usually adopt common wires to transmit current and/or signals, the common cables are easily broken after being bent for many times, and in order to transmit signals well, the cables are usually made thicker and are not attractive, and in addition, the cables also occupy larger space of a display platform.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming the defects of the prior art, the utility model provides a safety device for commodity theftproof.

In order to achieve the purpose, the invention provides the following technical scheme:

a security device for merchandise theft prevention comprising, a base and a sensor, the base configured to be operably coupled to a support surface for supporting the sensor and/or merchandise; a sensor configured to be directly or indirectly connected to the item of merchandise, the sensor comprising a cable comprising at least one metal fiber wire, the cable configured to be operably connected to the base; the security device is configured to trigger the security device to issue a security signal and/or alarm when the cable is broken and/or the article is illegally removed from the sensor.

Furthermore, the cable comprises at least two wires, wherein at least one wire contains a metal fiber wire. In some preferred modes, the cable comprises two conducting wires which are mutually electrically isolated, and the two conducting wires contain metal fiber conducting wires, so that compared with the common conducting wires, the two conducting wires can be made thinner under the same signal transmission performance, the occupied volume of the cable can be reduced, and the user experience is improved; such a cable is also relatively durable and will not be damaged by bending.

Further, the metal fiber wire comprises a plurality of strands of metal fibers with the diameter less than or equal to 30 mu m. In some preferred modes, the metal fiber wire can comprise at least two strands of metal fibers, the number of the metal fibers can be determined according to the requirements of current throughput and the like, in some preferred modes, the metal fibers form the metal fiber wire in a spiral winding mode, and in some preferred modes, the metal fibers are wrapped with insulating materials to form the metal fiber wire.

Further, the material of the metal fiber is at least one selected from lead, copper, aluminum and stainless steel. The metal fiber material has good mechanical property, high fracture specific strength and tensile specific modulus, good bending resistance and toughness and good signal transmission performance; in some modes, the metal fiber is lead fiber, in some modes, the metal fiber is copper wire, in some modes, the metal fiber is aluminum wire, in some modes, the metal fiber is stainless steel fiber, and the stainless steel fiber further has the advantages of good chemical corrosion resistance, difficulty in oxidation in air and the like.

Further, the device also comprises a connector connected to the commodity charging interface and used for providing power for the commodity. In some preferred modes, the connector can comprise a charging head used for connecting the commodity charging interface, and the charging head can be selected according to the type of the commodity charging interface.

Further, the sensor may be configured to be operatively connected to the connector.

Further, the connector may be configured as an individual that operates independently of the sensor. In some preferred forms, the base and the connector each have at least one pair of electrical contacts, the electrical contacts being conductive when the connector is placed on the base to form a circuit for providing power to the article of merchandise. In some preferred forms, the sensor may be configured to be attached/affixed to a surface of the item, capable of sensing a condition of the item.

Further, the base may include a processor and/or alarm circuitry.

Further, the base is configured to be connectable to an external power source and/or an external alarm device. In some preferred modes, the base can be connected to external power source, by the direct power supply of external power source, in some preferred modes, the base can be connected to outside alarm device, gives outside alarm device with the produced safety signal transmission of safety device, reports to the police by outside alarm device, needs to explain that, outside alarm device can adopt conventional alarm, the utility model discloses do not need the alarm device of customization, general can realize receiving safety signal and carry out the function of reporting to the police, the utility model discloses also not change alarm device's warning circuit, as long as with safety signal access warning circuit's input can.

Further, the base may be configured to trigger a safety device to issue a safety signal and/or alarm when the base is removed from the support surface and/or an external power source is removed. In some preferred forms, the base is affixed to the support surface and the junction of the base and the support surface may be provided with a sensing means, such as a push or touch sensing means, which when removed, may transmit a security signal via the cable. In some preferred modes, when the base is powered off, the cable is also powered off, the on-off current in the cable can be sent to the sensor as a signal, and the sensor can send out a safety signal after receiving the signal. It is required to explain, the utility model discloses do not change the principle and the circuit that the sensor sent the safety signal, the utility model discloses can adopt sensor and signal trigger circuit commonly used in the theftproof field among the prior art, the utility model discloses an alarm device also can adopt the alarm that has alarming function among the prior art, the utility model provides a new structure can use the sensor and the alarm among the prior art.

The utility model has the advantages that:

(1) the utility model discloses used the cable that contains the metal fiber wire, so that in signal transmission, under the same thickness specification, the utility model discloses a cable possesses that signal transmission performance is good, resistant buckling, soft texture and anti-stretching etc. advantage, compares with ordinary wire, under the same signal transmission performance, the utility model discloses can do the cable thin, can reduce the volume that the cable occupy like this, promote user experience; such a cable is also relatively durable and will not be damaged by bending.

Drawings

FIG. 1 is a schematic view showing the structure of the product of example 1 in combination with a connector, and a sensor attached to a base (showing contacts at the bottom of the base).

Fig. 2 is a schematic structural view of the base in embodiment 1 connected with an external charging plug.

Fig. 3 is a schematic structural view of the connector and the cable in embodiment 1.

Fig. 4 is a schematic structural view of the connector and the commercial product in embodiment 1 (in which the internal structure of the cable is shown).

Fig. 5 is a schematic structural view of the base connected to an external alarm device in embodiment 1.

Fig. 6 is a schematic structural view of an inner conductor of the cable in embodiment 1.

Fig. 7 is a schematic view of the structure of the connector independent of the sensor in embodiment 2.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings, and it should be noted that the embodiments are only specific illustrations of the present invention, and should not be construed as limitations of the present invention.

Anti-theft commodity

The merchandise anti-theft referred to in the utility model, especially for some merchandise that needs to be functionally displayed to buyer or potential buyer, such as electronic product, some functions of these merchandise need to be known by user under the condition of use, these merchandise usually have some man-machine interactive interfaces, the exhibited person can contact and use all or part of functions of these merchandise exemplarily or demonstratively within a certain range, thereby understanding the performance of the merchandise, in industry, sometimes this merchandise with functional display requirement will also be referred to as merchandise with experience requirement, namely the exhibited person can operate and experience the merchandise displayed within the limited condition and range, therefore, these merchandise will be directly contacted by the experienced person, the experienced person can be within the limited range of the seller or merchandise owner, for example, the commodities can not be taken out of the sales site, and the ownership of the displayed commodities is also attributed to the seller or the commodity holder, so that anti-theft measures are needed, the anti-theft measures do not limit the use of the experiencers, but only limit the experiencers to take the commodities out of the sales site, and even in some cases, the anti-theft measures need to consider not to hinder the use of the experiencers as much as possible so that the experiencers can obtain better use experience, which is different from the concept of anti-theft in mass vendor sales.

Safe/non-safe states

The safe or unsafe state referred to in the utility model refers to the state of the displayed merchandise, especially refers to the state of the relationship between the displayed merchandise and the anti-theft device under the condition of setting the anti-theft device, generally speaking, the merchandise is in the state that we consider it not stolen, which is referred to as the safe state, which we consider possibly stolen state, which is referred to as the unsafe state, whether the anti-theft measure is intact, whether the displayed merchandise is under the protection of the anti-theft measure, if so, we consider it is the safe state, if not, we consider it is the unsafe state, that is, the safe or unsafe state can be relative to the anti-theft measure, for example, the anti-theft measure is that the displayed merchandise is always connected with the charging interface, then, the sensor detects the charging interface, whether it is always connected with the merchandise, if yes, the system is in a safe state, and if the connection is disconnected, the system is in a non-safe state; or if the anti-theft measure is to keep the commodity in a charging state all the time, the sensor detects whether the charging cable of the commodity keeps power transmission, if so, the charging cable is in a safe state, and if not, the charging cable is in a non-safe state; or, if the anti-theft measure is that the commodity is clamped by the clamping device, the sensor detects whether the commodity is in the clamping space or whether the commodity is in contact with or installed on the clamping device, if so, the commodity is in a safe state, and if not, the commodity is in a non-safe state; and so on.

Cable/antitheft cable

The cable is a concept of connection and/or transmission in the present invention, in some cases, the cable may be a purely mechanical connection, connecting two objects, in some cases, the cable may provide power transmission (strong current) to establish power connection for two parties connected by the cable, one party may provide power to the other party, or both parties may have power to transmit each other, in some cases, the cable may provide data transmission (including weak current) to provide power and data connection for two parties connected by the cable, one party may provide power or transmit data signals to the other party, or both parties may have power and data signals to transmit each other, in some cases, the power of the transmission line in the cable may be used as an induction loop, i.e. a determination factor for detecting whether the cable is on or off, for example, when there is power transmission in the cable, the sensing loop can be considered to be smooth, the cable is in a normal connection state, at the moment, if the cable is connected with the commodity and the anti-theft host machine, the commodity can be considered to be in a safe state, or when signals are transmitted in the cable, the sensing loop can also be considered to be smooth, the cable is in a normal connection state, at the moment, if the cable is connected with the commodity and the anti-theft host machine, the commodity can be considered to be in a safe state, under the condition, the cable can play a sensing role and equivalently play a part of a sensor, and the cable at the moment can be used as a part of the sensor. The anti-theft cable in the present invention may be the above-mentioned cable having an inductive loop or capable of transmitting a security signal.

Sensor with a sensor element

The sensor often is used for certain signal of perception or certain state of perception the utility model provides a sensor is exclusively used in commodity safety, just also the commodity theftproof of saying above, the utility model provides a sensor can be an induction line, also can be a device that has sensing element, also can be the component that has the response function of integrated on the connector, and its effect is exactly, can the sensing signal, distinguishes through this signal whether the show commodity is in safe state. In the present invention, the sensor may be connected to the commodity. In fact, in the field of theft protection of goods, sensors are a widely used prior art, and generally speaking, elements capable of sending out a security signal indicating whether goods are in a safe or non-safe state may be called sensors.

Connector with a locking member

The connector can be used for connecting parts, the connector can be inserted or inserted in the connecting part, namely, a plug and a socket are included, the connector can have a charging function, for example, in the form of a charging interface, and can also be connected in a pure structure form, the connector can be connected with a cable, and can also be in a separate form, and when the connector is connected with the cable, the connector can also be used as a part of an induction loop on the sensor.

Unauthorized removal

In the utility model, the non-authorization is relative to the authorization, because in the anti-theft field of goods, there are two modes of locking and unlocking, it should generally be in a locked state during the time the merchandise is being displayed, in which state the merchandise is not stolen, in addition to theft, however, it is possible that an item may be actively removed from the anti-theft device by the merchant, for example, when an item has been released from the market and is no longer sold, the corresponding exhibit is also taken down, which involves the replacement of the goods, or when the exhibit has quality problems, which require maintenance, and may also need to be removed from the anti-theft device, when the displayed merchandise is replaced or repaired, the merchandise may be removed from the anti-theft device by a staff (merchant) with authority, such removal is referred to as removal with authorization, whereas removal is considered unauthorized.

Security signal

Security signals are also a well-known concept in the field of article surveillance, when an article is in an unsecured state, some components in an article surveillance system will send out a security signal, which may be a sensing signal or an electrical signal or a digital signal, which may be triggered by many methods/events in the prior art, for example, the event may be a physical disconnection or a circuit disconnection, the triggering method may be sensing by the sensing component, the sensing signal is transmitted to the corresponding device, the corresponding device can send out a security signal according to the most basic logic judgment (yes/no) after receiving the sensing signal, in the field of article surveillance, the general triggering method may be disconnection, disconnection charging, detachment from an installed component, or destruction in a certain set manner, may trigger the generation of a security signal, which is conventional in the art.

Monitoring device

The monitoring device of the present invention may include a conventional article surveillance device, such as a burglar alarm, a surveillance host, etc., and may also include other article security related devices, such as the aforementioned sensor or connector, the monitoring device may be used to monitor the article security system, such as the aforementioned sensor, the monitoring device may send out a security signal, may receive the security signal by other devices and perform an alarm operation according to the security signal, for example, the device may be an alarm or a buzzer.

Alarm/warning

In the field of merchandise theft prevention, an alarm is also a common theft prevention device, and is mainly used for performing an alarm operation according to a security signal sent by a monitoring device/sensor/cable, etc., and a typical example of an alarm device is an alarm for sending an alarm prompt sound to prompt a worker in a sales place that a merchandise may be in a safe or non-safe state. Generally speaking, can be called to send alarm signal to this kind of alarming function of alarm device, alarm signal for example warning prompt tone, still can include light signal sometimes, is called audible-visual annunciator, the utility model discloses do not improving alarm itself, can send alarm signal, perhaps the device that can report to the police can be regarded as the utility model discloses an alarm.

Example 1, see figures 1-6.

A security device for the theft protection of an article, comprising a base 4 and a sensor, the base 4 being configured to be operatively coupled to a support surface for supporting the sensor and/or the article; a sensor configured to be directly or indirectly connected to the item of merchandise, the sensor comprising a cable 2 comprising at least one metal fiber wire, the cable 2 configured to be operatively connected to the base 4; the security device is configured to trigger the security device to issue a security signal and/or alarm when the cable 2 is broken and/or the article is illegally removed from the sensor.

In some preferred forms, the base 4 can be configured to trigger a safety device to emit a safety signal when removed from a support surface and/or an external power source, as shown in fig. 1-2. When the article is in an unsecured state, some components within the article surveillance system may send out a security signal, which may be a sensing signal, an electrical signal, or a digital signal, which may be triggered by any number of means/events known in the art, for example, the event may be a physical disconnection or a circuit disconnection, the triggering may be sensing by the sensing part, transmitting the sensing signal to the corresponding device, and the corresponding device may send out a safety signal according to the most basic logical judgment (yes/no) after receiving the sensing signal, in the field of merchandise theft protection, the usual triggering means may be disconnection, disconnection of a charging connection, removal from an installed component, or in some defined manner, may trigger the generation of a security signal, which is conventional in the art.

In some preferred forms, the base 4 can be affixed to a support surface, and the junction of the base 4 and the support surface can be provided with a sensing device, such as a push or touch sensing device, which can be connected to an alarm device, and when the sensing device is removed, the sensing device can transmit a safety signal to the alarm device, and the alarm device can receive the safety signal to perform an alarm operation. In some preferred modes, when the base 4 is powered off, the cable 2 is also powered off, and the alarm device can sense the on-off and change of the current in the cable 2so as to perform an alarm operation.

In some preferred forms, the base 4 comprises a housing in which a processor and/or alarm circuitry is provided; in some preferred modes, the processor is an existing and conventional processor, for example, the processor in this embodiment is an integrated chip HT66F002 SOP-8; alarm circuit also adopts current alarm circuit, the utility model discloses do not improve treater, alarm circuit and connection mounting means between them.

In other preferred modes, a mounting plate is arranged inside the base 4, the cable 2 can be connected to the mounting plate, an alarm microcontroller, a power circuit and a buzzer circuit are arranged on the mounting plate, the power circuit provides power for the alarm microcontroller and the buzzer circuit, the alarm microcontroller and the buzzer circuit form circuit connection, the alarm microcontroller is further connected with the sensor circuit, and the alarm microcontroller drives the buzzer to sound according to signals generated by the sensor. The arrangement and the connection mode of the circuits can be realized by adopting the prior technical means, and the utility model discloses do not improve it.

In some preferred forms, as shown in fig. 1, the contact 80 is provided on the bottom surface of the base 4, and when the contact 80 is in a closed state after the base 4 is attached to the support surface, such as when the base is fixed to the support surface by an adhesive, the contact 80 is in a closed state; when the base leaves the supporting surface (for example, a lawless person steals the commodity S together with the base 4, so that the base leaves the supporting surface), the contact is no longer in a closed state, and an alarm can be triggered; the main function of the contact 80 is to prevent a fraudster from stealing the item S together with the base 4, and the presence of the contact 80 will trigger an alarm once the base and support surface are separated. The setting of contact and the relation of connection of contact and 4 bottom surfaces of base all can adopt current technical means to realize, the utility model discloses do not improve it.

In some preferred modes, the bottom surface of the base 4 can be combined with the supporting surface through screws or the bottom surface of the base 4 can be combined with the supporting surface through clamping or the bottom surface of the base 4 is connected with the supporting surface through 3M adhesive.

In some preferred modes, the cable comprises a metal fiber conductor, the metal fiber conductor can transmit signals and is only used as a signal line and is not used for supplying power to commodities, and the metal fiber conductor is thin and transmits small current and is not suitable for supplying power to commodities.

In some preferred modes, the cable comprises at least two wires, wherein at least one wire contains a metal fiber wire, and in some preferred modes, the metal fiber wire comprises a plurality of strands of metal fibers with the diameter less than or equal to 30 mu m; the metal fiber has better signal transmission performance, is thinner, and has stronger signal transmission capability under the same thickness specification; under the equal signal transmission ability, adopt the metal fiber wire, can make the cable thinner, metal fiber has the fibrous characteristic moreover, has good mechanical properties, and not only fracture specific strength and tensile specific modulus are higher, and tensile deformation diminishes, and is soft, can be able to bear or endure buckling moreover, and toughness is good.

In some preferred modes, as shown in fig. 6, the cable includes two wires, the two wires are electrically isolated from each other, and both the two wires include the metal fiber wire 3, so that, compared with the common wire, under the same signal transmission performance, the utility model discloses can make the two wires thinner, so can reduce the volume that the cable occupies to promote user experience; such a cable is also relatively durable and will not be damaged by bending.

In some preferred modes, the metal fiber is at least one selected from lead, copper, aluminum and stainless steel. In some modes, the metal fiber is a lead wire, in some modes, the metal fiber is a copper wire, in some modes, the metal fiber is an aluminum wire, in some modes, the metal fiber is a stainless steel fiber, and the stainless steel fiber further has the advantages of good chemical corrosion resistance, difficulty in oxidation in air and the like.

In some preferred forms, the cable 2 comprises two conductors electrically isolated from each other, wherein both conductors contain a metal fiber conductor; as shown in fig. 6, the cable 2 comprises four metal fiber wires 3, wherein two metal fiber wires 3 are wound together, similar to a twist shape, and after the two metal fiber wires 3 are wound, the ends thereof are embedded in a first metal rivet 12, the first metal rivet 12 is connected with a weldable wire core 13, which can be welded to a circuit board, and likewise, as shown in fig. 6, the other two metal fiber wires 3 are also wound together, similar to a twist shape, and after the two metal fiber wires 3 are wound, the ends thereof are embedded in a second metal rivet 14, and the second metal rivet 14 is connected with another weldable wire core 13; in some preferred modes, two wire conductors similar to twist-shaped metal fibers are arranged in parallel, two weldable wire cores 13 are arranged in parallel, a first metal riveting component 12 and a second metal riveting component 14 are symmetrically arranged, the first metal riveting component 12 and the second metal riveting component 14 are separated by an electric insulating substance and are electrically isolated from each other, the two wire conductors similar to twist-shaped metal fibers are also electrically isolated from each other, and otherwise, a loop cannot be formed; in some preferred forms, the solderable wire core 13 is located at the end of the cable 2 and in some preferred forms, as shown in fig. 6, the cable 2 sheath encloses the four metal fiber conductors 3, the first metal crimp 12, the second metal crimp 14 and a portion of the solderable wire core 13 exposed from the cable 2 sheath for connection to a circuit board, chip or other connector. The utility model discloses used cable 2 that contains metal fiber wire 3, cable 2 has more than connection structure, the metal fiber wire has the fibre characteristic moreover, makes like this in signal transmission, under with the thickness specification, the utility model discloses a cable 2 more possesses signal transmission can the good performance, is resistant to buckle, and texture softness and stretch-proofing advantage are as the signal transmission usage, the utility model discloses can be with cable 2 do fine and thin very soft, but still can better transmit signal, can reduce the volume of cable moreover, promote user experience.

In some preferred forms, the security device further comprises a connector 17, as shown in fig. 1-5, said connector 17 being connected at one end directly or indirectly to the sensor and at the other end to the article charging interface, and being capable of providing power to the article. In some preferred modes, as shown in fig. 3, the connector 17 may include a charging connector 18 for connecting the article charging interface, and the charging connector 18 may be selected according to the type of the article charging interface. In some preferred forms, as shown in fig. 3, the connector 17 further comprises a side support 117 for supporting the merchandise, in some preferred forms, as shown in fig. 3, the bottom surface of the connector 17 has a protrusion 20, the protrusion 20 has a slope, correspondingly, the upper surface of the base 4 is provided with a groove 21, the protrusion 20 matches with the groove 21, the protrusion 20 can be inserted into the groove 21, so as to fix the position of the connector and thus the merchandise; when the connector 17 is connected to the product S, the projection 20 of the connector 17 is placed in the groove 21, and the base can support the product S while the side support 117 supports the side of the product S, so that the product S can be stably coupled to the base 4.

In some preferred forms, the sensor may be configured to be operatively connected to the connector 17. In some preferred ways, the solderable wire core 13 in the cable 2 of the sensor can be connected to the circuit board of the connector 17, enabling the connection of the sensor to the connector 17.

In some preferred forms, the base 4 is configured to be connectable to an external power source and/or an external alarm device 16. In some preferred modes, base 4 can be connected to external power source, by the direct power supply of external power source, in some preferred modes, base 4 can be connected to outside alarm device 16, gives outside alarm device 16 with the produced safety signal transmission of safety device, reports to the police by outside alarm device, and it needs to explain, outside alarm device 16 can adopt conventional alarm, the utility model discloses do not need the alarm device of customization, the general function that can realize receiving safety signal and report to the police, the utility model discloses also not change alarm device's warning circuit, as long as with safety signal access warning circuit's input can.

In some preferred forms, the cable 2 is connected to a circuit board in the base 4, and the cable 2 can be connected to an external alarm device 16, as shown in fig. 5, and in some preferred forms, the cable 2 is connected to a circuit board in the base 4, and the cable 2 can be connected to an external power source, as shown in fig. 2. In some preferred forms, the base 4 is provided with an opening at the bottom of its side, from which a cable extends, the cable being connectable to any connector with a plug, the connector being connectable to an external alarm device 16, the connector being of a type selected according to the alarm device to be connected, as shown in fig. 5, the cable 2 extending through the opening being connected to the alarm device 16, the external alarm device 16 being connectable to an external power source.

In some preferred forms, the base 4 may be configured to leave the support surface and/or trigger a safety device to send a safety signal when the external power source is removed, and an alarm device receives the safety signal and gives an alarm, which are conventional in the art, and the present invention is not modified in this respect.

In some preferred forms, the base 4 may include an alarm device configured to be able to receive the safety signal to alarm. In some preferred modes, alarm device can install inside base 4, and cable 2 can be connected to alarm device, and alarm device can adopt current alarm, for example bee calling organ, the utility model discloses do not improve cable 2 and alarm device's connected mode and alarm device itself.

Example 2, see figure 7.

In some preferred forms, the connector 17 may be configured as an individual that operates independently of the sensor, as shown in fig. 7. In some preferred forms, the sensor may be configured to be attached/affixed to a surface of the article S, capable of sensing the state of the article S. As shown in fig. 7, the sensor includes a sensing head 118, the sensing head 118 is connected to one end of the cable 2, the sensing head 118 is attached to the back of the commodity, and if the commodity is illegally separated from the sensing head 118, the safety device is triggered to send out a safety signal.

In some preferred forms, the base 4 and the connector 17 are each provided with at least one pair of electrical contacts which are conductive when the connector 17 is placed on the base 4 to form a circuit for providing power to the article of merchandise. In some preferred modes, the base 4 is provided with the first electrical contact 15, the connector 17 is provided with the second electrical contact 115 at a corresponding position, as shown in fig. 7, in this embodiment, the base 4 is provided with two first electrical contacts 15, and the connector 17 is provided with two second electrical contacts 115 at a corresponding position, so that when the connector is placed on the base 4, the first electrical contacts and the second electrical contacts are conducted to form a loop for providing power to the commodity. In some preferred modes, the first electrical contact 15 is in communication with a circuit board in the base 4, and when the connector 17 is placed on the base 4, the charging circuit of the commodity can be conducted to charge the commodity.

Other embodiments in this example are the same as example 1.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims (10)

1. A security device for the theft protection of an article of merchandise, comprising a base and a sensor, the base configured to be operatively coupled to a support surface for supporting the sensor and/or the article of merchandise; a sensor configured to be directly or indirectly connected to the item of merchandise, the sensor comprising a cable comprising at least one metal fiber wire, the cable configured to be operably connected to the base; the security device is configured to trigger the security device to issue a security signal and/or alarm when the cable is broken and/or the article is illegally removed from the sensor.

2. The security device of claim 1, wherein said cable comprises at least two wires, wherein at least one of said wires comprises a metal fiber wire.

3. A security device for merchandise theft prevention according to claim 1 wherein said metal fiber wire comprises a plurality of strands of metal fibers having a diameter of 30 μm or less.

4. A security device according to claim 3, wherein said metal fibers are made of at least one material selected from the group consisting of lead, copper, aluminum, and stainless steel.

5. The security device of claim 1, further comprising a connector connected to a charging interface of the article for providing power to the article.

6. The security device of claim 5, wherein the sensor is configured to be operatively connected to the connector.

7. The security device of claim 6, wherein said connector is configured as a separate body that operates independently of the sensor.

8. A security device for the theft of merchandise, as claimed in claim 1, wherein said base includes a processor and/or alarm circuitry.

9. A security device for the theft of merchandise, as claimed in claim 1, wherein said base is configured to be connectable to an external power source and/or an external alarm device.

10. A security device according to claim 1, wherein the base is configured to be moved away from a support surface and/or to trigger the security device to issue a security signal and/or alarm when external power is removed.

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