CN213276873U - Anti-theft device and anti-theft box - Google Patents
Anti-theft device and anti-theft box Download PDFInfo
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- CN213276873U CN213276873U CN202022543984.1U CN202022543984U CN213276873U CN 213276873 U CN213276873 U CN 213276873U CN 202022543984 U CN202022543984 U CN 202022543984U CN 213276873 U CN213276873 U CN 213276873U
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Abstract
The application provides an anti-theft device and an anti-theft box, and relates to the technical field of theft prevention. The anti-theft device includes a base, a sensor, and an activation device. The sensor is used for being installed on the base. The activation device is configured to generate a first signal and a second signal. When the sensor is arranged on the base, the activating device generates a first signal, and the sensor responds to the first signal so as to switch the sensor from a dormant state to an operating state; when the sensor is separated from the base, the activating device generates a second signal, and the sensor responds to the second signal to enable the sensor to be switched from the working state to the dormant state. Only when the sensor is installed in the base, the sensor can be in a working state, so that the activation device can activate the sensor and can be in a dormant state when the sensor is separated from the base, and the energy consumption of the sensor can be reduced.
Description
Technical Field
The application relates to the technical field of burglary prevention, in particular to a burglary prevention device and a burglary prevention box.
Background
At present, the customs container anti-dismounting device is generally fixed on a container body only in modes such as welding, active power supply is adopted, passive power supply energy consumption is high, the container density is wide and mobility is large, management and maintenance are complex processes, and efficiency, cost and safety have great problems.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an anti-theft device and an anti-theft box, and aims to solve the problem that an existing anti-theft device is high in energy consumption.
In a first aspect, an embodiment of the present application provides an anti-theft device, which includes a base, a sensor, and an activation device. The sensor is used for being installed on the base. The activation device is configured to generate a first signal and a second signal. When the sensor is arranged on the base, the activating device generates a first signal, and the sensor responds to the first signal so as to switch the sensor from a dormant state to an operating state; when the sensor is separated from the base, the activating device generates a second signal, and the sensor responds to the second signal to enable the sensor to be switched from the working state to the dormant state.
Among the above-mentioned technical scheme, only when the sensor is installed in the base, the sensor just can be in operating condition, consequently, activation device's setting can activate the sensor when the sensor is installed on the base on the one hand to make the sensor can perceive the change of its place environment and play the theftproof effect, on the other hand the sensor only can be activated when installing on the base and be in operating condition, break away from the base then can the dormancy, can reduce the energy consumption of sensor like this.
In addition, the anti-theft device of the embodiment of the first aspect of the present application has the following additional technical features:
in some embodiments of the first aspect of the present application, the activation device comprises a first activation element and a second activation element; the first activation element is arranged on the sensor, and the second activation element is arranged on the base; the change in distance of the first activation element relative to the second activation element can generate a first signal and a second signal.
In the technical scheme, the activation device comprises a first activation element and a second activation element, the first activation element and the second activation element are respectively installed on the sensor, and only when the sensor is installed at the correct position of the base, the sensor can be activated to be in a working state, so that the energy-saving effect is achieved, and whether the sensor is installed in place or not can be judged.
In some embodiments of the first aspect of the present application, the first activation element is a hall element and the second activation element is a magnet.
Among the above-mentioned technical scheme, the combination of hall element and magnet is the magnetic switch device commonly used, and hall element has the consumption and hangs down, and sound construction, small, light in weight, advantage such as resistant vibration, and the magnetic switch device that the combination of hall element and magnet formed does not have the contact point, does not have wearing and tearing, output waveform is clear, does not have the shake, does not have rebound, position repetition precision is high, guarantees that the sensor is installed stable, effectual work of back sensor on the base.
In some embodiments of the first aspect of the present application, the anti-theft device further comprises a signal transmission device for communicating between the sensor and the base.
Among the above-mentioned technical scheme, after the sensor breaks away from, the sensor is out of work, and anti-theft device then can't play the theftproof effect through the change of its place environment of sensor perception, can communicate between sensor and base through signal transmission device, judges whether the sensor is pulled down from the base, if signal transmission device can not communicate between sensor and base, then the sensor exists by the possibility of illegal dismantlement, further improves anti-theft device's theftproof performance.
In some embodiments of the first aspect of the present application, the signal transmission device comprises a first transmitter and a first receiver, the first transmitter being mounted to the base and the first receiver being mounted to the sensor; the first receiver is used for receiving the signal sent by the first transmitter.
In the above technical solution, the signal transmission device includes a first receiver and a first transmitter, the first transmitter is configured to transmit a signal, the first receiver is configured to receive the signal transmitted by the first transmitter, the first receiver is configured to indicate that the sensor is normally installed on the base only when the first receiver can receive the signal transmitted by the first transmitter, and if the first receiver cannot receive the signal transmitted by the first transmitter, the first receiver indicates that the sensor is detached from the base, the sensor is likely to be illegally detached, and the determination method is simple and direct.
In some embodiments of the first aspect of the present application, the signal transmission device further includes a second transmitter and a second receiver, the second receiver is configured to receive a signal from the second transmitter, the second transmitter is mounted on the sensor, and the second receiver is mounted on the base; when the second receiver receives the signal from the second transmitter, the first transmitter sends a signal to the first receiver.
In the technical scheme, the first transmitter can send the signal to the first transmitter only after the second receiver receives the signal sent by the second transmitter, so that the energy consumption of the base is reduced.
In some embodiments of the first aspect of the present application, the first emitter is a first infrared emitter and the first receiver is a first infrared receiver; and/or the second emitter is a second infrared emitter and the first receiver is a second infrared receiver.
Among the above-mentioned technical scheme, infrared transmitter and infrared receiver are electronic components commonly used, and it is convenient to obtain, and the use technique is mature, reduces anti-theft device's the manufacturing degree of difficulty.
In some embodiments of the first aspect of the present application, the anti-theft device further includes a detection device, the detection device is used for detecting whether the base is installed on the box body, and the detection device is installed on the base.
Among the above-mentioned technical scheme, detection device's setting can judge whether the base is dismantled, further improves anti-theft device's security performance.
In some embodiments of the first aspect of the present application, the detection device is a microswitch.
Among the above-mentioned technical scheme, micro-gap switch is the trigger formula device commonly used, and it is convenient to obtain, and the use technique is mature, reduces anti-theft device's the manufacturing degree of difficulty.
In a second aspect, an embodiment of the present application provides an anti-theft box, which includes a box body and the anti-theft device provided in the first aspect, wherein a base of the anti-theft device is mounted on an inner wall of the box body.
Among the above-mentioned technical scheme, anti-theft device installs in the inner wall of the box of anti-theft box, and after the box was opened, illumination in the box changed, and anti-theft device's sensor perception box internal environment's change to make the user know this condition of box being opened. In addition, only when the sensor is installed in the base, the sensor just can be in operating condition, consequently, activation device's setting can activate the sensor when the sensor is installed on the base on the one hand to make the sensor can the perception box internal environment change and play the theftproof effect, on the other hand the sensor only can be activated when installing on the base and be in operating condition, break away from the base then can the dormancy, the energy consumption that can the sensor like this.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a cross-sectional view from a first perspective of an anti-theft device provided in an embodiment of the present application;
fig. 2 is a cross-sectional view from a second perspective of an anti-theft device provided by an embodiment of the present application;
fig. 3 is an enlarged view at III in fig. 1.
Icon: 100-anti-theft devices; 10-a base; 11-a second mounting hole; 20-a sensor; 21-a first mounting hole; 30-an activation device; 31-a first activation element; 32-a second activation element; 40-a first power supply; 50-signal transmission means; 51-a first transmitter; 52-a first receiver; 53-a second transmitter; 54-a second receiver; 60-a first infrared filter; 70-a second infrared filter; 80-a second power supply; 90-detection means.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Examples
Deposit article in some confined spaces, even the space is opened also hardly to be found, in order to guarantee the security of the article of depositing, set up anti-theft device in the space of depositing the article, after the space of depositing the article is opened, anti-theft device can send a signal to the high in the clouds to make the high in the clouds learn that the space of depositing the article has been opened. Generally, a sensor is used as an anti-theft device and is fixed in a space for storing articles by welding or the like, and when the space is opened, the illumination in the space changes, and the sensor senses the illumination change in the space, so that a user can know that the space for storing articles is opened.
The embodiment of the application provides a theft-proof box, such as a container, which comprises a box body and a theft-proof device 100. The anti-theft device 100 is mounted to the inner wall of the case.
As shown in fig. 1-3, the anti-theft device 100 includes a base 10, a sensor 20, and an activation device 30. The sensor 20 is adapted to be mounted to the base 10. The base 10 is installed on the inner wall of the case. The activation device 30 is used to generate a first signal and a second signal. When the sensor 20 is mounted on the base 10, the activating device 30 generates a first signal, and the sensor 20 responds to the first signal to switch the sensor 20 from the dormant state to the working state; when the sensor 20 is detached from the base 10, the activating device 30 generates a second signal, and the sensor 20 responds to the second signal to switch the sensor 20 from the operating state to the sleep state.
The anti-theft device 100 further includes a first power source 40 for powering the sensor 20, the sensor 20 being in an active operating state when the circuit between the first power source 40 and the sensor 20 is open, and the sensor 20 being in a dormant state when the circuit between the first power source 40 and the sensor 20 is open.
In the present embodiment, the activation device 30 enables the circuit between the first power source 40 and the sensor 20 to be connected only when the sensor 20 is mounted at the predetermined position of the base 10, and the first power source 40 can supply power to the sensor 20 to enable the sensor 20 to be in the activated working state. When the sensor 20 is detached from the base 10 or the sensor 20 is not mounted at a predetermined position of the base 10, the circuit between the first power source 40 and the sensor 20 is broken and the sensor 20 is in a sleep state. Therefore, the activation device 30 is configured to activate the sensor 20 when the sensor 20 is mounted on the base 10, so that the sensor 20 can sense the external environment change to play a role in preventing theft, and on the other hand, the sensor 20 is activated to be in an operating state only when being mounted on the base 10, and is dormant when being detached from the base 10, so that the energy consumption of the sensor 20 can be reduced.
In this embodiment, the sensor 20 is a photoelectric sensor, and the photoelectric sensor can sense the change of light in the box body to play a role in preventing burglary. In other embodiments, the sensor may take other forms, such as an infrared sensor.
In this embodiment, the sensor 20 is provided with first mounting holes 21, and the base 10 is provided with second mounting holes 11 corresponding to the positions and the number of the first mounting holes 21. A connector such as a screw or a bolt is inserted into the first mounting hole 21 and the second mounting hole 11 corresponding thereto to mount the sensor 20 to the base 10.
The base 10 is attached to the case by welding, screws, bolts, or the like.
In the present embodiment, the activation device 30 comprises a first activation element 31 and a second activation element 32; the first activation element 31 is mounted to the sensor 20, and the second activation element 32 is mounted to the base 10; the change in distance of the first activation element 31 relative to the second activation element 32 can generate a first signal and a second signal. The activation device 30 includes a first activation element 31 mounted on the sensor 20 and a second activation element 32 mounted on the base 10, respectively, and only when the sensor 20 is mounted on the base 10 in a correct preset position, the sensor 20 can be activated to enable the sensor 20 to be in an operating state, so that the energy saving effect is achieved, and whether the sensor 20 is mounted in place can be determined.
The first activating element 31 is a hall element, and the second activating element 32 is a magnet. The combination of the Hall element and the magnet is a common magnetic switch device, the Hall element has the advantages of low power consumption, firm structure, small volume, light weight, vibration resistance and the like, the magnetic switch device formed by the combination of the Hall element and the magnet has no contact point, no abrasion, clear output waveform, no shake, no rebound and high position repetition precision, and the stable and effective work of the sensor 20 after the sensor 20 is installed on the base 10 is ensured. When the sensor 20 is mounted to the base 10 or removed from the base 10, the distance between the hall element and the magnet is changed to generate the first signal and the second signal. Wherein, the first signal is a first current signal generated by the hall element sensing the magnetic field of the magnet when the sensor 20 is mounted on the base 10. The second signal is a second current signal generated by the hall element sensing the magnetic field of the magnet when the sensor 20 is detached from the base 10.
In other embodiments, the first signal and the second signal may be generated according to whether the activation device 30 detects that the sensor 20 is mounted on the base 10, the activation device 30 generates the first signal when the activation device 30 detects that the sensor 20 is mounted on the base 10, and the activation device 30 generates the second signal when the activation device 30 detects that the sensor 20 is detached from the base 10.
In other embodiments, activation device 30 may take other forms.
In other embodiments, the hall element may be mounted to the base 10 and the magnet mounted to the sensor 20.
In this embodiment, the anti-theft device 100 further includes a signal transmission device 50, and the signal transmission device 50 is used for communication between the sensor 20 and the base 10. When the sensor 20 is detached or the sensor 20 senses that the light path is blocked, the anti-theft device 100 cannot perform an anti-theft function by the change of the light, and whether the sensor 20 is detached from the base 10 is determined by whether the signal transmission device 50 can communicate between the sensor 20 and the base 10, and if the signal transmission device 50 cannot communicate between the sensor 20 and the base 10, the sensor 20 may be detached illegally, thereby further improving the anti-theft performance of the anti-theft device 100.
In the present embodiment, the signal transmission device 50 includes a first transmitter 51 and a first receiver 52, the first transmitter 51 is mounted on the base 10, and the first receiver 52 is mounted on the sensor 20; the first receiver 52 is used for receiving the signal from the first transmitter 51. Only when the first receiver 52 can receive the signal transmitted by the first transmitter 51, it indicates that the sensor 20 is normally installed on the base 10, and if the first receiver 52 cannot receive the signal transmitted by the first transmitter 51, it indicates that the sensor 20 is separated from the base 10 or the sensor 20 is not installed at the preset position of the base 10, and the sensor 20 may be illegally detached, and the determination method is simple and direct.
Specifically, if a magnet is additionally placed on the sensor and then the sensor is taken away, the positions of the hall element and the magnet are not changed, and whether the sensor is taken away or not is judged according to the fact that the first receiver 52 cannot receive the signal sent by the first transmitter 51, so that the anti-theft performance is further improved.
In the present embodiment, the first emitter 51 is a first infrared emitter, the first receiver 52 is a first infrared receiver, the first emitter 51 and the first receiver 52 form an infrared transmission communication therebetween, and when the first receiver 52 receives an infrared signal emitted from the first emitter 51, the first receiver 52 sends the received signal to the cloud. In this embodiment, the first receiver 52 can also read the ID information of the base 10, and the sensor 20 reports the ID of the base 10 and its own ID to the cloud for subsequent processing and analysis. The ID information of the base 10 and the ID information of the first transmitter include, but are not limited to, the number of the box corresponding to the anti-theft device 100, information about the goods in the box, and the like.
In this embodiment, the detection process of the first transmitter 51 and the second transmitter 53 is periodic, that is, the first transmitter 51 periodically transmits a signal to the first receiver 52, and the cloud periodically collects the information of the base 10, so that the problem of energy consumption caused by continuous collection can be avoided. Of course, the first transmitter 51 may also continuously transmit signals to the first receiver 52 according to actual needs, so that the cloud continuously collects information of the base 10.
In other embodiments, the first emitter 51 may be mounted to the sensor 20 and the first receiver 52 may be mounted to the base 10.
In order to further reduce the power consumption of the anti-theft device 100, in the non-operating state, the base 10 is in a sleep state, and the first transmitter 51 can transmit a signal to the first receiver 52 only after being awakened. Therefore, in the present embodiment, the signal transmission device 50 further includes a second transmitter 53 and a second receiver 54, the second receiver 54 is used for receiving the signal emitted by the second transmitter 53, the second transmitter 53 is installed on the sensor 20, and the second receiver 54 is installed on the base 10; when the second receiver 54 receives the signal from the second transmitter 53, the first transmitter 51 sends a signal to the first receiver 52.
The first transmitter 51 can transmit a signal to the first transmitter 51 only after the second receiver 54 receives the signal transmitted from the second transmitter 53, so that the conditions of the preset position where the signal transmission device 50 realizes communication between the sensor 20 and the base 10 are increased, and the judgment of the preset position where the sensor 20 is normally mounted on the base 10 by the signal transmission device 50 is more strict. Furthermore, if the second receiver 54 does not receive the signal transmitted by the second transmitter 53, the first transmitter 51 does not send a signal to the first receiver 52, and it can be understood that the second receiver 54 receives the signal transmitted by the second transmitter 53 to wake up the base 10, so that the first transmitter 51 on the base 10 can send a signal to the first receiver 52, which can also reduce the power consumption of the anti-theft device 100.
After the second transmitter 53 sends a signal to the second receiver 54, the first transmitter 51 sends a signal to the first receiver 52, the process is a first detection, after the first detection is completed, the base enters a sleep state, and the sleep time is according to the cycle gap time of the signal transmission device 50 set by the anti-theft device 100 until the second transmitter 53 sends a signal to the second receiver 54 on the base 10 again to wake up the base 10 for the next detection.
In other embodiments, the second transmitter 53 may be mounted to the base 10 and the second receiver 54 may be mounted to the sensor 20.
In the present embodiment, the second transmitter 53 is a second infrared transmitter, and the first receiver 52 is a second infrared receiver. The infrared transmitter and the infrared receiver are common electronic components, are convenient to obtain, have mature use technology, and reduce the manufacturing difficulty of the anti-theft device 100.
In order to ensure the transmitting and receiving effects of the infrared signals, the anti-theft device 100 further includes a first infrared filter 60 and a second infrared filter 70. A first infrared filter 60 is mounted to the sensor 20 and covers the first receiver 52 and the second emitter 53, and a second infrared filter 70 is mounted to the base 10 and covers the first emitter 51 and the second receiver 54. The red signal transmitted from the first transmitter 51 is received by the first receiver 52 through the second infrared filter 70 and the first infrared filter 60 in sequence. The infrared signal emitted from the second emitter 53 is received by the second receiver 54 through the first infrared filter 60 and the second infrared filter 70 in sequence.
In other embodiments, the first transmitter 51, the first receiver 52, the second transmitter 53 and the second receiver 54 may also be other components, for example, the first transmitter 51 and the second transmitter 53 are ultrasonic transmitters, and the first receiver 52 and the second receiver 54 are ultrasonic receivers.
The first receiver 52 and the second transmitter 53 may also be powered by the first power source 40. The controller may control the electrical connection between the first receiver 52 and the first power source 40 via a first signal generated by the activation device 30 such that the first receiver 52 is activated to be in the working state, and the controller may control the electrical connection between the first receiver 52 and the first power source 40 via a second signal generated by the activation device 30 such that the first receiver 52 is in the sleep state. The controller may control the communication of the circuit between the second transmitter 53 and the first power source 40 by the first signal generated by the activation device 30 so that the second transmitter 53 is activated to be in the working state, and the controller may control the disconnection of the circuit between the second transmitter 53 and the first power source 40 by the second signal generated by the activation device 30 so that the second transmitter 53 is in the sleep state. When the activation device 30 generates the first signal, the sensor 20, the first receiver 52 and the second transmitter 53 can be activated simultaneously. When the activation device 30 generates the second signal, the sensor 20, the first receiver 52, and the second transmitter 53 are simultaneously dormant.
Of course, the first receiver 52 and the second transmitter 53 may be powered by different power sources, and may be controlled to be connected to or disconnected from the corresponding power sources by different activating devices 30.
In this embodiment, the anti-theft device 100 further includes a second power source 80 disposed on the base 10, wherein the second power source 80 is used for supplying power to the first transmitter 51 and the second receiver 54.
In the present embodiment, the circuit between the second power source 80 and the first transmitter 51, and the circuit between the second power source 80 and the second receiver 54 are connected or disconnected according to the signal sent from the second transmitter 53 to the second receiver 54.
In other embodiments, the activation device 30 may be in other forms, and the activation device 30 is capable of activating both the base 10 and the sensor 20 when the sensor 20 is mounted on the base 10. That is, when the sensor 20 is installed at the preset position of the base 10, the activation device 30 generates the first signal, and the controller may control the circuit communication between the first emitter 51 and the second power source 80 through the first signal generated by the activation device 30, so that the first emitter 51 is activated to be in the working state. The controller may control the circuit between the first transmitter 51 and the second power source 80 to be disconnected by the second signal generated by the activation device 30, so that the first transmitter 51 is in a sleep state. The controller may also control the electrical connection between the second receiver 54 and the second power source 80 via the first signal generated by the activation device 30, so that the second receiver 54 is activated to be in the working state, and the controller may control the electrical connection between the second receiver 54 and the second power source 80 via the second signal generated by the activation device 30, so that the second receiver 54 is in the sleep state.
Further, the anti-theft device 100 further includes a detection device 90, the detection device 90 is used for detecting whether the base 10 is installed on the box, and the detection device 90 is installed on the base 10. The detection device 90 can judge whether the base 10 is detached from the box body, and the safety performance of the anti-theft device 100 is further improved.
In this embodiment, the detection device 90 is a micro switch, when the base 10 is installed in the box body, the micro switch is pressed tightly on the inner wall of the box body by the base 10, at this time, the micro switch is in a defense setting state, when the base 10 is detached from the box body, the micro switch is triggered, the micro switch is in an alarm state, an alarm signal can be generated, even if the base 10 is installed in the box body again, the alarm signal generated by detaching the micro switch from the base 10 for the previous time cannot be removed, and the user can still be reminded in time and reported in the cloud. This can prevent the user from being able to know whether the base 10 is detached in time when the sensor 20 is in the working state and the signal transmission device 50 is in normal communication between the sensor 20 and the base 10.
In other embodiments, the detection device 90 may be other trigger switches.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An anti-theft device, comprising:
a base;
a sensor for detachably mounting to the base; and
an activation device for generating a first signal and a second signal;
when the sensor is mounted on the base, the activating device generates the first signal, and the sensor responds to the first signal to switch the sensor from a dormant state to an operating state;
when the sensor is detached from the base, the activating device generates the second signal, and the sensor responds to the second signal to switch the sensor from an operating state to a dormant state.
2. The anti-theft device of claim 1, wherein said activation device comprises a first activation element and a second activation element;
the first activation element is mounted to the sensor and the second activation element is mounted to the base;
a change in the distance of the first activation element from the second activation element can generate the first signal and the second signal.
3. The anti-theft device of claim 2, wherein the first activation element is a hall element and the second activation element is a magnet.
4. The anti-theft device of claim 1, further comprising a signal transmission device for communicating between said sensor and said base.
5. The anti-theft device of claim 4, wherein said signal transmission means comprises a first transmitter and a first receiver, said first transmitter being mounted to said base, said first receiver being mounted to said sensor;
the first receiver is used for receiving the signal sent by the first transmitter.
6. The anti-theft device according to claim 5, wherein said signal transmission device further comprises a second transmitter and a second receiver, said second receiver being for receiving a signal from said second transmitter, said second transmitter being mounted to said sensor, said second receiver being mounted to said base;
when the second receiver receives the signal sent by the second transmitter, the first transmitter sends a signal to the first receiver.
7. The anti-theft device of claim 6, wherein said first transmitter is a first infrared transmitter and said first receiver is a first infrared receiver; and/or the second emitter is a second infrared emitter, and the first receiver is a second infrared receiver.
8. The anti-theft device according to claim 1, further comprising a detection device for detecting whether the base is mounted to the case, the detection device being mounted to the base.
9. The anti-theft device according to claim 8, wherein said detection means is a microswitch.
10. An anti-theft box, comprising:
a box body; and
the anti-theft device of any one of claims 1 to 9, a base of the anti-theft device being mounted to an interior wall of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022543984.1U CN213276873U (en) | 2020-11-05 | 2020-11-05 | Anti-theft device and anti-theft box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022543984.1U CN213276873U (en) | 2020-11-05 | 2020-11-05 | Anti-theft device and anti-theft box |
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| Publication Number | Publication Date |
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| CN213276873U true CN213276873U (en) | 2021-05-25 |
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| CN202022543984.1U Active CN213276873U (en) | 2020-11-05 | 2020-11-05 | Anti-theft device and anti-theft box |
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