CN212675644U - Safety device for commodity anti-theft - Google Patents

Abstract

The utility model provides a safety device for commodity theftproof, including buzzing piece and two at least casings, safety device is configured to can provide electric power for commodity, one of them casing of safety device includes first cavity and second cavity, first cavity is configured to form first sound chamber with the buzzing piece, the second cavity is configured to communicate with first cavity, forms second sound chamber. The utility model discloses a structural design and adjustment set up two sound chamber structures for bee calling organ in safety device inside, and one of them can hold the buzzing piece on physical form as structure sound chamber, carries out structural direction guide to the sound that buzzing piece sent simultaneously, and another plays the effect of outside public address as function sound chamber, the utility model discloses the holding structure and the sound chamber structure of bee calling organ in the safety device have been rearranged, let safety device's structural layout more reasonable, be favorable to safety device's appearance and other structural design.

Description

Safety device for commodity anti-theft

Technical Field

The utility model relates to a commodity theftproof field.

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.

The anti-theft behavior is that staff's commodity in experiencing the place is perhaps in unsafe state through audible and visual alarm suggestion usually, especially sound is given first place, present alarm device adopts bee calling organ usually, in case commodity is detected by the sensor and is probably in unsafe state, give bee calling organ through circuit board transmission signal, trigger its warning, that is to say, must have the electricity to be connected between bee calling organ and the circuit board, thereby traditional alarm device's way is to get the electricity and receive alarm signal with bee calling organ through the wire welding on the circuit board.

Along with the development of the industry, the requirements on the appearance and the applicability of the anti-theft device are higher and higher, so that the shape and the size of the anti-theft device are changed along with the updating of products continuously, a mounting space and a larger sound expansion hole are required to be reserved for a buzzer in the traditional alarm device, and the buzzer in the traditional mode is connected by welding the buzzer on a circuit board in the anti-theft device through a lead, and the welding and the lead also need to occupy a certain space, so that the thickness of the anti-theft device cannot be reduced by the method, and the traditional method has great influence when the thin anti-theft device is required.

Disclosure of Invention

The utility model aims to solve the technical problem that a safety device for commodity theftproof is provided, can overcome the problem in the background art.

The utility model provides a technical scheme that technical problem adopted is:

a security device for the theft protection of an article of merchandise, comprising a buzzer patch and at least two housings, the security device being configured to be able to provide power to an article of merchandise,

one shell of the safety device comprises a first cavity and a second cavity, wherein the first cavity is configured to form a first sound cavity together with the buzzer, and the second cavity is configured to be communicated with the first cavity to form a second sound cavity;

the safety device is configured to cause the buzzer to emit a sound in response to a safety event, the sound being capable of propagating through and being converted in volume and/or propagation direction by the first cavity and/or the second cavity.

The utility model discloses in, set up two sound chambeies for the buzzing piece, these two sound chambeies communicate in physics, therefore sound can be followed a sound chamber and transmitted another sound chamber, and, the form of the sound amplification hole can be made to one of them sound chamber, final outside public address, and in fact, a sound chamber has played installation buzzing piece and has injectd the outside direction of transmitting sound of buzzing piece, and another sound chamber changes direction of propagation and outside public address through the structure passageway of self, thereby has formed compact structure's buzzer public address structure.

In addition, need explain, the utility model discloses a some public address designs and combines the fretwork position to pass through the common principle of sound more easily than the closed position to carry out structural design and arrangement, do not do the study of deepening in particular to the transmission of sound wave for the reference of the sound effect of current.

Furthermore, the buzzer is connected with the first cavity through viscose.

Further, a first sensor is included that is configured to be operable to detect a merchandise security status and/or provide power to the merchandise.

Further, the buzzer comprises a circuit board and an elastic conductive component, wherein the elastic conductive component is configured to conduct a circuit between the circuit board and the buzzer.

Further, the elastic conductive component comprises one or a combination of two or more of conductive sponge, conductive rubber and conductive spring.

Furthermore, the contact surface of the circuit board and the elastic conductive component is provided with corresponding electric contact points for contacting and conducting a circuit with the elastic conductive component.

Furthermore, the elastic conductive component is contacted with the upper electrode of the buzzer and used for conducting a circuit with the buzzer.

Further, a first communication interface is included and is configured to communicate with an external device via wireless or wired means in response to disarming the alarm.

Further, a power source is included and is configured to provide power for operation of the security device and/or to provide power for the merchandise.

Further, a second sensor is included and configured to detect a connection of the safety device to the support surface.

The utility model has the advantages that: the utility model discloses a structural design and adjustment set up two sound cavity structures for the buzzing piece in that safety device is inside, and one of them can hold the buzzing piece on physical form as structure sound cavity, carries out structural direction guide to the sound that buzzing piece sent simultaneously, and another plays the effect of outside public address as function sound cavity, the utility model discloses the holding structure and the sound cavity structure of buzzer in the safety device have been rearranged, let safety device's structural layout more reasonable, be favorable to safety device's appearance and other structural design.

In addition, the utility model discloses in the aspect of the electricity of buzzing piece is connected, replace traditional wire through elasticity conducting material, removed the welding process of bee calling organ and circuit board from, reduced the wire and walked the line, simplified production technology to, electrically conductive sponge has great compression ratio owing to the material characteristic of itself, can let commodity anti-theft device accomplish very thin, has expanded commodity anti-theft device's application scope.

Drawings

Fig. 1 is an overall structure diagram of the safety device of the present invention.

Figure 2 is a schematic view of the safety device of the present invention from another perspective.

Fig. 3 is an exploded view of the safety device of the present invention.

Figure 4 is a schematic view of one of the housings of the safety device of the present invention.

Fig. 5 is an application scenario of the present invention.

Fig. 6 is an alarm circuit diagram of the present invention.

Fig. 7 is a control circuit diagram of the present invention.

Fig. 8 is a circuit diagram of the charging alarm detection circuit of the present invention.

Fig. 9 is a circuit diagram of a first communication interface according to the present invention.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

All directional indicators (such as upper, lower, left, right, front, rear, horizontal, vertical … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, if the specific posture changes, the directional indicator changes accordingly.

In order to make the technical background and application scenario of the present invention better understood by those skilled in the art, some technical terms involved in the above embodiments are first explained:

anti-theft commodityThe merchandise theft prevention in the present invention is particularly directed to some merchandise, such as electronic products, which need to be functionally displayed to purchasers or potential purchasers, some functions of these merchandise need to be known by users in use, these merchandise usually have some man-machine interactive interfaces, the exhibited person can contact and exemplarily or exponently use all or part of the functions of these merchandise in a certain range, so as to know the performance of the merchandise, in the industry, this merchandise with functional display requirement is sometimes also referred to as merchandise with experience requirement, that is, the exhibited person can operate and experience the merchandise being displayed in a limited condition and range, therefore, these merchandise can be directly contacted by the experienced person, and the experienced person can be in a limited range of the seller or the merchandise owner, for example, in a sales location, but cannot be taken out of the testing location for displayThe ownership of the goods is also attributed to the seller or the goods holder, therefore, anti-theft measures are needed, which do not limit the use of the experiencer, but only limit the use of the experiencer away from the site, even in some cases, the anti-theft measures also need to consider not hindering the use of the experiencer as much as possible, so that the experiencer can obtain better use experience, which is different from the concept of anti-theft in the process of selling by mass vendor.

Security eventThe security event in the present invention refers to an event related to the security of the merchandise, which occurs in the merchandise anti-theft environment, such as the merchandise is switched from a secure state to an unsecure state, or the merchandise itself is in an unsecure state, where the secure or unsecure state refers to the state of the merchandise being displayed, and especially refers to the state of the merchandise being displayed in relation to the anti-theft device under the condition that the anti-theft device is installed, and the merchandise is in a state that we believe is not stolen, which is called a secure state, and the state that we believe is possible to be stolen, which is called an unsecure state, whether the anti-theft measure is intact, and whether the merchandise is under the protection of the anti-theft measure, if yes, we consider the merchandise to be a secure state, and if not, we consider the merchandise to be an unsecure state, that is, this secure or unsecure state, the present invention may be compared with an anti-theft measure, for example, the anti-theft measure is that the display goods are always connected to the charging interface, then the sensor detects the charging interface, whether the display goods are always connected to the goods, if yes, the display goods are in a safe state, and if the display goods are disconnected, the display goods are 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; etc. ofAnd the like.

Safety deviceThe device is mainly used for judging whether the commodity is in a safe state or not, and if not, sending a corresponding safety prompt, such as an alarm or a safety signal. This device can be an independent hardware, also can be with other components, for example the overall structure that sensor and alarm device combined, and safety device's main function plays certain effect in certain link or certain several links of guaranteeing commodity safety, as long as can play the device of this kind of effect, we can all be called the utility model discloses a safety device to safety device is a concept for being known and applied in the trade in commodity theftproof field, the utility model discloses do not change safety device's function and principle, only provide a structural safety device that has changed.

Sensor with a sensor elementThe sensor of the present invention is a sensor for sensing a signal or a state, and the sensor is used for merchandise security, i.e. merchandise theft prevention, and the sensor of the present invention can be a sensing circuit, a device with a sensing element, or an element with a sensing function integrated on a connector, and the sensor can sense the signal and determine whether the merchandise is in a safe state or not through the signal. 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.

Alarm device/siren/alarmIn the field of merchandise theft prevention, an alarm device is also a common theft prevention device, the alarm device is mainly used for performing alarm operation according to a safety signal sent by a monitoring device/a sensor/a cable and the like, a typical example of the alarm device is an alarm for sending an alarm prompt sound to prompt staff in a sales place that a merchandise may be in a safe or non-safe state. AIn general, can be called the alarm signal of sending to this kind of alarming function of alarm device, alarm signal for example reports to the police and suggests the sound, still can include light signal sometimes, is called audible-visual annunciator, the utility model discloses do not improve the function and the principle of alarm device, the utility model discloses the improvement is circuit element and structure among the alarm device. In the utility model, the buzzer plays the role of the alarm device and the alarm.

In the embodiment shown in fig. 1-9, the safety device of the present invention comprises an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 can cover together to form the whole safety device shown in fig. 1, and, a circuit board 3 can be further disposed in the safety device of the present invention, as shown in fig. 2, a power module 31 can be disposed on the circuit board 3, so that the circuit board 3 can be externally connected to power through a first cable 4 to supply power to components in the safety device, such as a buzzer 5, and in addition, the safety device can be connected to a commodity 100 through a second cable 6 to supply power to the commodity as shown in fig. 5.

The circuit board 3 is provided with an alarm circuit with the principle shown in fig. 6 and a control circuit with the principle shown in fig. 7, and the alarm circuit and the control circuit can be integrated or connected on the circuit board 3 and are encapsulated in the box body of the safety device through the upper cover 1 and the lower cover 2.

The alarm circuit can comprise a buzzer 5 and an elastic conductive component 7 in terms of hardware, and the elastic conductive component 7 can be used for electrically connecting the buzzer 5 and the circuit board 3 (replacing the traditional cable welding); the elastic conductive members 7 may be provided in pairs, for example, two elastic conductive members 7, one for positive and one for negative contact, and the elastic conductive members 7 may be pressed between the circuit board 3 and the buzzer 5.

In this embodiment, the buzzer 5 is mounted on the upper cover 1, a first sound cavity 11 (structural sound cavity) which has the same shape as the buzzer 5 and can accommodate the buzzer 5 is arranged in the upper cover 1, a sound transmission hole 12 is arranged at the top of the first sound cavity 11, the sound transmission hole 12 can be communicated with a second sound cavity 13, and the second sound cavity 13 is provided with an outward sound amplification port for allowing the sound generated by the buzzer 5 to radiate out of the safety device.

Preferably, in order to fix the buzzer 5, the buzzer 5 may be fixedly adhered to the top of the first sound cavity 11 by an adhesive.

When upper cover 1 and 2 lids of lower cover close, can be with buzzer 5, elasticity conductive component 7 and circuit board 3 pressfitting are in the same place, be equipped with corresponding electric contact on circuit board 3 and elasticity conductive component 7's the contact surface respectively, buzzer 5 is equipped with the electrode on the contact position with elasticity conductive component 7, be used for with elasticity conductive component 7 switch on circuit, buzzer 5 and circuit board 3 are located elasticity conductive component 7's upper and lower both sides respectively, form buzzer 5 and circuit board 3's electric conduction, and the wire welding has been avoided to this kind of structure, make safety device's whole thickness reduce by a wide margin, the structure that wire brought the line in the warning device has also been avoided is interfered.

Preferably, the elastic conductive component 7 may adopt one or a combination of two or more of conductive sponge, conductive rubber and conductive spring.

The utility model discloses in, as shown in fig. 5-8, pin 7 among the control circuit is connected to pin 3 among the alarm circuit, and control circuit can respond to the security incident, for example first sensor is destroyed and/or the commodity is triggered buzzing piece warning among the alarm circuit when being illegally removed, and first sensor can adopt and combine to on the second cable 6, as the alarm detection circuit that charges shown in fig. 8, the alarm detection circuit that charges can correspond two interfaces J1 and J2 of safety device respectively, also be these two interfaces J1 and J2 all set up the alarm detection circuit that charges, these two alarm detection circuit that charges's pin 3 inserts control circuit's pin 5 and pin 6 respectively for transmit alarm signal.

Preferably, in the utility model discloses in, first sensor can also be connected with warning device through wireless mode in order to communicate, and for example first sensor can transmit alarm signal to control circuit through wireless mode.

Preferably, the security device is capable of being mounted to a support surface, such as a desktop 200, and a second sensor is provided at the junction of the security device and the desktop 200, wherein the second sensor may be a touch sensor, such as a touch switch, and in this embodiment, position a shown in fig. 3, may allow the touch sensor to be mounted, the touch sensor may have a touch switch exposed from a small hole in position a, and when the security device is mounted to the desktop 200, the touch switch is pressed to activate a touch alarm circuit of the alarm device, and within the security device, the touch sensor may be connected to a circuit board 3 within the security device, and transmit an alarm signal through the circuit board, and when the security device is removed from the desktop 200 without authorization, the alarm may be triggered. It should be noted that the touch sensor is used to detect whether the device is removed or not, which is a conventional technique in the field of merchandise theft prevention.

Preferably, the security device is fixedly connected to the table top by a fastener or an adhesive, for example, a layer of adhesive (3M adhesive) may be disposed on the bottom of the security device, and the security device is adhered to the table top 200, or fastened by a screw, or embedded into the table top by a mounting ring 300 as shown in fig. 3, which may also be referred to the prior art.

Preferably, the security device may further include a first communication interface J3 as shown in fig. 9, the first communication interface J3 and the pin 8 of the control circuit may communicate to respond to the alarm release, in the scenario as shown in fig. 5, the alarm of the security device may be released through the remote controller 8, it should be noted that the principle of contacting the alarm and releasing the alarm through the controller is a conventional technical means in the field of anti-theft of goods, and the present invention may directly adopt the mode in the prior art.

Claims (10)

1. A security device for preventing the theft of commodities is characterized in that,

the security device is capable of providing power to an article of merchandise and is configured to include a buzzer patch and at least two housings,

one shell comprises a first cavity and a second cavity, the first cavity is configured to form a first sound cavity together with the buzzer, and the second cavity is configured to be communicated with the first cavity to form a second sound cavity;

the safety device is configured to cause the buzzer to emit a sound in response to a safety event, the sound being capable of being converted in volume and/or direction of propagation by the first cavity and/or the second cavity.

2. The security device of claim 1, wherein the buzzer is connected to the first cavity by an adhesive.

3. A security device according to claim 1, comprising a first sensor arranged to be able to detect the security status of an article and/or to provide power to an article.

4. The security device of claim 1, comprising a circuit board and a resilient conductive member, said resilient conductive member being configured to conduct a circuit between the circuit board and the buzzer.

5. The security device of claim 4, wherein the elastic conductive member comprises one or a combination of two or more of conductive sponge, conductive rubber, and conductive spring.

6. The security device of claim 4, wherein the contact surface of the circuit board and the elastic conductive member is provided with corresponding electrical contacts for making electrical contact with the elastic conductive member to conduct a circuit.

7. The security device of claim 4, wherein the elastic conductive member contacts with the upper electrode of the buzzer for conducting a circuit with the buzzer.

8. The security device of claim 1, comprising a first communication interface configured to communicate with an external device via wireless or wired means in response to disarming the alarm.

9. A security device according to claim 1, comprising a power source arranged to provide power for operation of the security device and/or to provide power to the article.

10. A security device according to claim 1, including a second sensor arranged to detect the attachment of the security device to the support surface.

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