CN201054171Y

CN201054171Y - Home theftproof alarming device

Info

Publication number: CN201054171Y
Application number: CNU2007200797067U
Authority: CN
Inventors: 田朝勇
Original assignee: Sichuan Changhong Electric Co Ltd
Current assignee: Sichuan Changhong Electric Co Ltd
Priority date: 2007-05-28
Filing date: 2007-05-28
Publication date: 2008-04-30
Anticipated expiration: 2017-05-28

Abstract

The utility model provides an anti-theft alarm device, simultaneously relates to a digital television technology. The utility model solves the technical problem that a household anti-theft alarm device with good invisibility and low cost is provided. The utility model has the technical proposal adopted that the household anti-theft alarm device comprises a detection module and an alarm module. The utility model is characterized in that the detection module comprises a photographing unit, a movement image detection unit and a MCU, wherein, the movement image detection unit is arranged in the image processing unit of a digital television; the photographing unit is connected with the movement image detection unit through the video interface of the digital television; the MCU is the MCU of the digital television; the MCU is connected with the alarm module. The utility model takes the digital television as a carrier, the invisibility is good; the device is not required to be singly purchased, wired and installed; the reliability of the alarm detection based on the digital movement image detection technology is high; the wide angle video photographing can provide wide-ranged alarm detection area.

Description

The home security warning device

Technical field

The utility model relates to a kind of burglar alarm, relates to digital television techniques simultaneously.

Background technology

Along with growth in the living standard, people's security precautions strengthens day by day, and home mode has now determined increasing family to have long-time unattended situation, and this has given thief's opportunity again.Therefore, various home security warning devices also arise at the historic moment, and the kind of family expenses burglar alarm commonly used has at present: infrared warning device, radio alarming device, telephone alarm device etc.Need to buy separately, to install but miscellaneous traditional-family burglar alarm all exists, and surveyed area is limited, the inconvenient shortcoming such as hidden of warning device.

Image quality is universal day by day clearly with it for digital television simultaneously, the image boundary fuzzy problem that causes in order to solve the moving image hangover, a moving image detecting unit is all arranged in the graphics processing unit in digital television, detect moving image earlier, send into again and carry out corresponding Flame Image Process, to improve the moving image image quality.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of good concealment, the home security warning device that cost is low.

The technical scheme that the utility model adopts in order to solve the problems of the technologies described above is, the home security warning device, comprise detection module and alarm module, it is characterized in that, described detection module comprises image unit, moving image detecting unit, MCU, and described moving image detecting unit is in the graphics processing unit of digital television; Image unit links to each other with the moving image detecting unit by the video interface of digital television; Described MCU is digital television MCU; MCU links to each other with alarm module.

Further, described alarm module is the telephone call module, and the telephone call module comprises number storage unit, dislodging machine control module, number modulation/transmitting element; Described number storage unit is the storer in the digital television; Number storage unit, dislodging machine control module, number modulation/transmitting element link to each other with MCU respectively.

The beneficial effects of the utility model are, are carrier with the digital television, good concealment; Need not independent procuring equipment, wiring installation, thereby almost need not additionally to increase cost and be convenient to enforcement; Based on the alarm detection of digital motion picture detection technique, the reliability height; The video camera of extensive angle can provide the alarm detection zone of wide region, and the telephone call module passes warning message by telephone network snugly by the alarm call number that sets in advance.

Below in conjunction with accompanying drawing and embodiment the utility model is pretended further to know clearly explanation.

Description of drawings

Fig. 1 is a burglar alarm theory diagram provided by the utility model;

Fig. 2 is an embodiment circuit working schematic diagram.

Embodiment

The utility model utilizes in the moving image measuring ability of digital television itself and the room that MCU realizes image unit is caught vision signal to carry out real time kinematics and detects, as detects moving image, and when promptly the someone entered the room, MCU started alarm module.In home security warning device theory diagram shown in Figure 1, comprise detection module and alarm module, described detection module comprises image unit, moving image detecting unit, MCU, described moving image detecting unit is in the graphics processing unit of digital television; Image unit links to each other with the moving image detecting unit by the video interface of digital television; Described MCU is digital television MCU; MCU links to each other with alarm module.

Alarm module is the telephone call module.The audible alarm module is the acoustics unit of digital television.The telephone call module comprises number storage unit, dislodging machine control module, number modulation/transmitting element, and number storage unit, dislodging machine control module, number modulation/transmitting element link to each other with MCU respectively, controlled by MCU; Dislodging machine control module, number modulation/transmitting element also link to each other with telephone wire; Wherein the number storage unit is positioned at the storer of digital television.

Except image unit, dislodging machine control module, number modulation/transmitting element are the newly-increased burglar alarm special module of burglar alarm, the digital television of double as anti-theft alarm function partly is total module, other parts are the proprietary module of televisor in the digital television module, certainly digital television is except that the part that Fig. 1 expresses, also have TV signal to receive, the proprietary modules of televisor such as image demonstration, because these parts are not in the scope that the utility model emphasis is set forth, so do not mark in Fig. 1.Characteristics of the present utility model are exactly that total module with digital television is used for the burglar alarm Detection ﹠ Controling, and only need increase the burglar alarm special module, just can realize intelligentized anti-theft alarm function by telephone network.

The utility model is carrier with the digital television, is core with the moving image detecting unit of digital television, makes this home security warning device have TV and two kinds of duties of burglar alarm.Priority task was in tv state when digital television powered on, and this moment, it was exactly a common digital television receiver; Can it be set to the burglar alarm duty by TV remote controller, this moment, the televisor special module quit work, in case be in the burglar alarm duty, vision signal is carried out real time kinematics and detected in the room that it will be caught image unit.Enter the shooting district as the thief, just can make the picture that static object produces in the shooting district originally motion occur.The moving image detecting unit that is positioned at digital television inside detects moving image and occurs, notice MCU, and MCU starts alarm module immediately.The telephone call module is by the alarm call number that sets in advance, by telephone network with the information hiding of " there is the thief in family " pass.

In addition, need to prove when the state that digital television is set is burglar alarm that this burglar alarm state can be provided with the back delayed startup.Before avoiding the house owner not go out, this home security warning device produces misoperation.Must send by TV remote controller earlier when the house owner goes home and remove order, the home security warning device is removed the burglar alarm state after receiving and removing order immediately.

Embodiment

As shown in Figure 2, the type of alarm of present embodiment adopts telephone call and two kinds of patterns of acoustic warning device.

Graphics processing unit comprises: video decode circuit, Digital Video Processing circuit, and image unit links to each other with the Digital Video Processing circuit by the video decode circuit earlier again, and the moving image detecting unit is positioned at the Digital Video Processing circuit; The tuner that is used to receive picture signal also with by the video decode circuit links to each other with the Digital Video Processing circuit, and this tuner is operated in the tv state of digital television.The Digital Video Processing circuit carries out real time kinematics to input picture and detects, in case occur moving target in the guarded region, the Digital Video Processing circuit just is provided with warning mark, and MCU passes through I ²The C bus just starts warning executive circuit enforcement telephone call after obtaining this warning mark.

Image unit: be used for the picture signal in the acquisition monitoring scope; Image unit can adopt commercially available finished product camera, both can be built in digital television, also can be installed in the outer shelter, room of televisor.

MCU: link to each other with graphics processing unit, telephone call module, acoustics unit respectively; Control chart is as the picture signal of processing unit processes tuner or image unit output; The startup of control telephone call module, acoustics unit.

Acoustics unit: comprise sound accompaniment switch, audio power amplifier; MCU links to each other with audio power amplifier by the sound accompaniment switch; Work in as digital televisor and to be put into alarm condition, MCU will open the voice-grade channel of tuner output, work in tv state as digital televisor, then MCU closes the voice-grade channel of tuner output, in case occur moving target in the guarded region then control audio power amplifier and send alarm sound.

Telephone call module: comprise that dislodging machine control module, number send modulating unit, telephone network buffer circuit, number storage unit; Wherein number modulation/transmitting element comprises that DTMF (dual-tone multifrequency) amplifying circuit, telephone ringer fluid sound detect and the dtmf code modulation circuit.The number storage unit is an EEPROM in the digital television, and the alarm call number is stored among this EEPROM in advance.

Dislodging machine control module: by MCU control carrying out phone simulation off-hook or on-hook;

The telephone ringer fluid sound detects and the dtmf code modulation circuit: phone ringing signal input MCU is carried out the ringing-current sound judge that the telephone number with MCU output carries out coded modulation such as DTMF simultaneously, so that telephone system is carried out number transmission and identification;

Telephone network buffer circuit: other circuit of telephone line and this device is carried out safe isolation, and reduce of the load of this device to telephone network.

As shown in Figure 2, triode T1, triode T2 and resistance R 1, resistance R 2, resistance R 3 are formed analog telephone dislodging machine control module; Phone-specific integrated circuit (model is CM8880) and capacitor C 3, resistance R 9, resistance R 10 etc. are formed the telephone ringer fluid sound and are detected and the dtmf code modulation circuit; Triode T3, capacitor C 1, capacitor C 2 and resistance R 4～R7 form the DTMF amplifying circuit, and dtmf signal amplifies after triode T1 and telephone network buffer circuit are sent into telephone network, thereby realize the telephone call calling through programme-controlled exchange again; Diode D1～D4 forms the telephone network buffer circuit.

When the house owner goes out televisor when being set to the burglar alarm duty, the televisor special module quits work, image display is closed, image unit is sent into the video image information in the room in a certain video inputs mouth of televisor, the video decode circuit of televisor is converted into digital signal and send the Digital Video Processing circuit behind video decode, the Digital Image Processing circuit carries out motion detection to the video camera in the room in real time, in case thief's burglary is arranged, the thief will be detected immediately walking about of room, CPU (central processing unit) MCU reads this testing result, as testing result is to have moving object to equal MCU in the image to get access to warning message, MCU control warning module action immediately.

After MCU obtains warning message, at first output signal control dislodging machine control module carries out phone simulation off-hook, then the ringing-current sound of phone-specific integrated circuit input is judged, normal in this way dialing tone then reads the alarm call number from EEPROM, and send bitstream to the phone-specific integrated circuit from FPDP, after the phone-specific integrated circuit carries out the dtmf code modulation, amplify through DTMF the warning number is sent into telephone network, last MCU judges to confirm closing of the circuit and control simulation on-hook the ringing-current sound once more.To meet reason such as busy unsuccessful because of telephone network as above-mentioned calling procedure, and MCU will dial till closing of the circuit automatically again, thus with the information hiding of " there is the thief in family " pass.Simultaneously; MCU control produces the alert audio signal, controls and pass through the realization audible alarms such as audio power amplifier circuit of televisor, has the thief to enter the room with entrance guard or patrol personnel near pointing out; or the thief deterred, warns, thereby family's property is played a protective role.

Claims

1. the home security warning device comprises detection module and alarm module, it is characterized in that, described detection module comprises image unit, moving image detecting unit, MCU, and described moving image detecting unit is in the graphics processing unit of digital television; Image unit links to each other with the moving image detecting unit by the video interface of digital television; Described MCU is digital television MCU; MCU links to each other with alarm module;

Described alarm module is the telephone call module, and the telephone call module comprises number storage unit, dislodging machine control module, number modulation/transmitting element; Described number storage unit is the storer in the digital television; Number storage unit, dislodging machine control module, number modulation/transmitting element link to each other with MCU respectively.

2. home security warning device according to claim 1 is characterized in that described telephone call module also comprises the telephone network buffer circuit; Dislodging machine control module links to each other with telephone line by described telephone network buffer circuit; Number modulation/transmitting element links to each other with telephone line by described telephone network buffer circuit.

3. as home security warning device as described in the claim 2, it is characterized in that, described number modulation/transmitting element comprises that DTMF amplifying circuit, telephone ringer fluid sound detect and the dtmf code modulation circuit, MCU detects by described telephone ringer fluid sound and links to each other with telephone line with the dtmf code modulation circuit, and MCU detects with the telephone ringer fluid sound by described DTMF amplifying circuit and the dtmf code modulation circuit links to each other with telephone line.

4. as home security warning device as described in the claim 3, it is characterized in that described telephone ringer fluid sound detects with the dtmf code modulation circuit and comprises the phone-specific integrated circuit, the model of described phone-specific integrated circuit is CM8880.

5. as home security warning device as described in 1 to 4 each claim, it is characterized in that described alarm module also comprises the audible alarm module, described audible alarm module is the acoustics unit of digital television.