CN215341319U

CN215341319U - Anti-theft system

Info

Publication number: CN215341319U
Application number: CN202121608174.8U
Authority: CN
Inventors: 黄淑一
Original assignee: Shanxi Engineering Vocational College
Current assignee: Shanxi Engineering Vocational College
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-28
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses an anti-theft system, comprising: an active infrared detector; the RFID system is characterized in that a reader is arranged indoors, and an electronic tag can be carried about; the main control system comprises a main controller, an infrared monitoring module, an RFID data processing module, a camera shooting driving module, an alarm module, a signal receiving module and a signal transmitting module, wherein a transmitter and a receiver are both electrically connected with the infrared monitoring module, a reader is electrically connected with the RFID data processing module, a camera is electrically connected with the camera shooting driving module, and a computer or a mobile phone can be in signal connection with the main controller through the signal receiving module and the signal transmitting module. According to the utility model, the active infrared detector, the camera and the reader are arranged indoors, the chamber owner carries the electronic tag, and when the chamber owner enters the radio frequency range of the reader, the reader identifies the electronic tag carried by the chamber owner. The anti-theft system can be guaranteed to have a good anti-theft effect by the aid of the arrangement.

Description

Anti-theft system

Technical Field

The utility model relates to the field of internet security, in particular to an anti-theft system.

Background

With the gradual improvement of living standard of people, the accumulation of personal and family wealth is more and more, and in the era of developed technology, the demand of people on family anti-theft is gradually increased.

The household antitheft system has a plurality of existing household antitheft systems, but most of the existing household antitheft systems adopt modes such as shooting, face recognition, automatic alarm and the like, and the modes have advantages respectively, and certainly, the existing household antitheft system has insufficient places. For example, the anti-theft system is destroyed by cutting the power cord of the camera, wearing a mask, and by signal intervention.

Therefore, how to provide an anti-theft system to overcome the above problems is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an anti-theft system.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an anti-theft system installed indoors and near an entrance door, comprising:

the active infrared detector comprises a transmitter and a receiver, wherein the transmitter and the receiver are both fixed on an indoor wall, the transmitting end of the transmitter corresponds to the receiving end of the receiver in position, and the entrance door is arranged between the transmitter and the receiver;

the RFID system comprises a reader and an electronic tag, the reader is arranged indoors and close to the entrance door, and the electronic tag is embedded in a card which can be carried about;

the camera is installed indoors;

the main control system comprises a main controller, an infrared monitoring module, an RFID data processing module, a camera driving module, an alarm module, a signal receiving module and a signal transmitting module which are all electrically connected with the main controller, wherein the transmitter and the receiver are all electrically connected with the infrared monitoring module, the reader is electrically connected with the RFID data processing module, the camera is electrically connected with the camera driving module, and a computer or a mobile phone can pass through the signal receiving module and the signal transmitting module and the main controller.

According to the technical scheme, compared with the prior art, the anti-theft system is disclosed and provided, the active infrared detector and the camera are arranged indoors, and the arrangement can monitor the indoor and the door-opened person; by arranging the reader indoors, when a room owner enters the room and is located in a radio frequency range of the reader, the reader can identify the electronic tag carried by the room owner. The anti-theft system can be guaranteed to have a good anti-theft effect by the aid of the arrangement.

Preferably, the installation height of the transmitter and the receiver from the indoor ground is less than the height of the top edge of the entrance door from the indoor ground, and the distance between the transmitting end of the transmitter and the receiving end of the receiver from the ground is 1.9 meters. The arrangement ensures that the transmitter and the receiver do not have line of sight influence on the entrance door when the entrance door is opened and closed.

Preferably, the wavelength of the infrared beam emitted by the transmitter is 0.95 μm; the horizontal shortest distance between the infrared light beams emitted by the transmitter and the entrance door is 15 cm. The arrangement can avoid the infrared beam from generating the red exposure phenomenon, and the concealment is good; the entrance door is opened a little gap, and the initiative infrared detector just can respond to.

Preferably, the electronic tag is a passive electronic tag. This setting can make the electronic tags volume reduce, portable.

Preferably, the reader can be disposed under an indoor floor and corresponds to the entrance door position. This setting is guaranteed to read the ware and can be effectively and accurate discernment electronic tags, saves indoor space to because the comparison of setting is more hidden, the outsider can not be easily demolish it.

Preferably, the camera is fixed on an indoor wall and a shooting direction of the camera can be directed to the entrance door. This setting guarantees that the people who opens the door of entrying can be clear to the shooting of camera.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a layout view of an anti-theft system in a room;

FIG. 2 is a structural diagram of a card with an electronic tag embedded in the card in an anti-theft system;

FIG. 3 is a sectional view in the direction of FIG. 2A-A;

fig. 4 is a schematic diagram of the connection of the main control system of an anti-theft system.

In the figure:

the system comprises an entrance door 1, a transmitter 2, a receiver 3, a reader 4, an electronic tag 5, a camera 6, a main controller 7, an infrared monitoring module 8, an RFID data processing module 9, a camera driving module 10, an alarm module 11, a signal receiving module 12, a signal transmitting module 13, a card 14, a hanging hole 140 and a floor 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 invention.

The utility model discloses an anti-theft system, which is characterized in that an active infrared detector is arranged indoors, the active infrared detector can monitor the opening condition of an entrance door 1, and a camera 6 is arranged indoors, so that the indoor and door-opening people can be monitored; by arranging the reader 4, the room owner carries the electronic tag 5 matched with the room owner, and when the room owner enters the radio frequency range of the reader 4, the reader 4 can identify the electronic tag 5 carried by the room owner. Above-mentioned setting can guarantee that this anti-theft system has fine theftproof effect, because camera 6 and reader 4 all set up indoor, so, lawless persons can not destroy it, even lawless persons will enter the door 1 and open through illegal means, but owing to the existence of initiative infrared detector, lawless persons is opening and is entering the door 1 the time, indoor camera 6 has just taken a picture to it and has been proved.

Examples

Referring to fig. 1-4, which are schematic structural diagrams of a whole and a part of an embodiment of the present invention, the present invention specifically discloses an anti-theft system, an application object of which is a common household user, and the anti-theft system needs to be installed indoors and near an entrance door 1, and the following are the main components and connection relations of the anti-theft system:

the anti-theft system mainly comprises an active infrared detector, an RFID system, a camera 6 and a main control system.

Wherein, the active infrared detector in this embodiment is a single-beam active infrared detector, certainly, in order to further improve the detection sensitivity, the active infrared detector may also select two beams or multiple beams, the active infrared detector includes a transmitter 2 and a receiver 3, both the transmitter 2 and the receiver 3 are reliably fixed on the indoor wall through expansion screws, the transmitting end of the transmitter 2 corresponds to the receiving end of the receiver 3, the horizontal interval between the transmitting end and the receiving end is larger than the door width of the entrance door 1, the entrance door 1 is located between the transmitter 2 and the receiver 3, the entrance door 1 in this application is inward opened, and the door lock on the entrance door 1 may be a mechanical lock or an intelligent lock opened through fingerprints or passwords, when the entrance door 1 is opened at a certain angle, the door panel will shield the infrared beam emitted by the transmitter 2, the receiver 3 cannot receive the infrared beam emitted by the transmitter 2, and then the signal change of the active infrared detector is realized.

The RFID system comprises a reader 4 and an electronic tag 5, the reader 4 must be installed indoors and arranged close to the entrance door 1, as to which orientation of the entrance door 1 is specifically arranged, the reader 4 can accurately identify the electronic tag 5 when the entrance door 1 is opened and enters the room by a room owner carrying the electronic tag 5, the reader 4 in the embodiment is arranged under a floor 15 in the room, the floor 15 can be opened, the reader 4 is convenient to repair or replace, the reader 4 itself is also subjected to moisture-proof and dust-proof treatment, as to how the floor 15 is opened, how the reader 4 is placed and the moisture-proof and dust-proof treatment of the reader 4 are already existing in the prior art or are easily realized under the reference of the prior art, in the embodiment, specific development description is not performed on the reader 4, of course, when the reader 4 is installed, all radio frequency signals sent by the reader 4 must be indoors or the electronic tag 5 must be encrypted, the reason for this is to prevent illegal persons from copying the electronic tag 5, the electronic tag 5 can be embedded in the card 14 in a sealing way, and can also be embedded in any article which can be carried with the person in a sealing way.

The camera 6 is to be installed indoors, and guarantee that the shooting direction of the camera 6 can aim at the entrance door 1, at least when someone opens the entrance door 1, the face of the people who opens the door can be timely shot by the camera 6, the camera 6 in the embodiment is fixed indoors and installed on the wall of the entrance door 1, and the camera 6 can rotate 360 degrees and has the camera 6 with the storage function, the focal length of the camera 6 is 4mm, the resolution ratio is 1080p, the camera 6 has the night vision function at the same time, so whether the external illumination intensity is sufficient or not, people or objects within the range of 3-5 meters away from the camera 6 can be clearly shot by the camera 6 to form images.

The main control system comprises a main controller 7, an infrared monitoring module 8, an RFID data processing module 9, a camera driving module 10, an alarm module 11, a signal receiving module 12 and a signal transmitting module 13 which are electrically integrated with the main controller.

The main controller 7 in this embodiment is a Cortex-M3 processor, and a program is embedded therein to control the above modules, the main controller 7 is installed on an indoor wall, and as to the process and program content for programming the above processor, it is already existing in the prior art or is easily implemented with reference to the prior art, so the embodiment will not be described in detail.

Transmitter 2 and receiver 3 all with 8 electric connection of infrared monitoring module, transmitter 2 passes through 8 drives of infrared monitoring module, send the infrared light beam of a bundle of parallels, the infrared light beam is received by receiver 3, receiver 3 converts this stable light signal into the signal of telecommunication, handle the back through infrared monitoring module 8 and transmit for main control unit 7, when this infrared light beam is sheltered from, the light signal that receiver 3 received changes, infrared monitoring module 8 sends for main control unit 7 after enlargiing this change.

The reader 4 is electrically connected with the RFID data processing module 9, the electronic tag 5 receives a radio frequency signal sent by the reader 4 after entering the identification range of the reader 4, the electronic tag 5 generates an induced current, the induced current drives the electronic tag 5 to send information stored in the electronic tag to the reader 4, the reader 4 reads the information and sends the information to the RFID data processing module 9, and the RFID data processing module 9 decodes and converts the information read by the reader 4 and sends the information to the main controller 7.

The camera 6 is electrically connected with the camera driving module 10, and the camera driving module 10 controls the rotation, zooming and the like of the camera 6, processes image information shot by the camera 6 and sends the processed image information to the main controller 7.

The computer or the mobile phone can be in signal connection with the main controller 7 through the signal receiving module 12 and the signal transmitting module 13, so that the indoor situation can be remotely monitored by the indoor owner through the computer or the mobile phone, and the video shot by the camera 6 can also be transmitted to the computer or the mobile phone of the indoor owner.

Further, the installation height of the transmitter 2 and the receiver 3 from the indoor ground is smaller than the height of the top edge of the entrance door 1 from the indoor ground, the distance between the transmitting end of the transmitter 2 and the receiving end of the receiver 3 from the ground is 1.9 m in the embodiment, on one hand, the purpose of the setting is that when the entrance door 1 is opened and closed, the entrance door 1 can reliably shield the infrared light beam emitted by the transmitter 2, on the other hand, the transmitter 2 is relatively higher, and the influence on the sight line of people can not be generated when the entrance door 1 is opened and closed.

Furthermore, the wavelength of the infrared beam emitted by the transmitter 2 is 0.95 μm, and the infrared beam with the wavelength of 0.95 μm does not generate the red exposure phenomenon, so that the concealment performance is good; the horizontal shortest distance between the infrared beam emitted by the transmitter 2 and the entrance door 1 is 15cm, and the entrance door 1 can be sensed by the active infrared detector only by opening a gap.

Further, the electronic tag 5 in this embodiment is a passive electronic tag, so that the volume of the electronic tag 5 becomes small, and the electronic tag 5 is easily embedded in the card 14, which is convenient for an operator to carry.

The working process of the anti-theft system is as follows:

under the condition that someone is in the room at ordinary times or the theft is not needed, only the camera 6 works in the theft prevention system, the camera 6 monitors the room in real time, the mode is recording and storing, the storage time can be set according to the requirement, the video content stored in the camera 6 can be automatically cleared after the storage time is up, and the stored video can not be sent to a mobile phone or a computer of a room owner.

When the house owner needs to go out or someone in the house but needs to lock the entrance door 1:

the anti-theft system can be controlled to operate by a room owner carrying the electronic tag 5 with him through a mobile phone, at the moment, the active infrared detector, the RFID system and the camera 6 are all in working states, the room owner can check indoor conditions outdoors through the mobile phone or a computer in real time, and at the moment, the camera 6 can set the room owner to be in a working state of shooting while recording or in a working state of only shooting.

When a person opens the entrance door 1, the active infrared detector detects signal changes and provides the signal changes to the main control system, the main control system controls the camera 6 to enable the camera 6 to start recording in an early warning state, videos shot by the camera 6 are stored in real time and are sent to a mobile phone or a computer of a room owner, the time of the early warning state can be set to 10 seconds, when an operator enters the room in the time period, as the reader 4 is arranged close to the entrance door 1, if the operator carries the electronic tag 5 with the operator, the RFID system transmits signals to the main control system after identifying the electronic tag 5 on the operator, the main control system immediately releases the recording in the early warning state, and the main control system is noticed that although the early warning state of the system is released, the videos shot by the camera 6 before are still sent to the room owner, and the purpose of the setting is that, the electronic tag 5 of the chamber owner is prevented from being stolen or copied by a person, and the electronic tag is convenient to check and trace in the later period in case of a theft event; on the contrary, if the active infrared detector detects the signal change, but the RFID system does not recognize the electronic tag 5 matched with the active infrared detector within the time period set in the early warning state, the alarm module 11 in the main control system starts to perform ring alarm, and the camera 6 maintains the real-time recorded working state and transmits the video information to the cell phone or the computer of the room owner in real time while performing ring alarm.

Regardless of the ring alert for any reason, the homeowner may dismiss the alert by a cell phone or computer.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-theft system installed indoors and near an entrance door, comprising:

the camera is installed indoors;

2. An anti-theft system according to claim 1, wherein the transmitter and the receiver are installed at a height from the indoor floor that is less than the height from the indoor floor of the top edge of the entrance door, and the distance from the transmitting end of the transmitter to the receiving end of the receiver to the floor is 1.9 m.

3. An anti-theft system according to claim 1, characterized in that the infrared beam emitted by said transmitter has a wavelength of 0.95 μm; the horizontal shortest distance between the infrared light beams emitted by the transmitter and the entrance door is 15 cm.

4. An anti-theft system, according to claim 1, characterized in that said electronic tag is a passive electronic tag.

5. An anti-theft system according to claim 1, characterized in that said reader can be arranged under the floor of the room and in correspondence with said entrance door position.

6. An anti-theft system according to claim 1, wherein said camera is fixed to an indoor wall and its shooting direction can be directed to said entrance door.