CN101540809B

CN101540809B - Embedded digital video hard disk video recorder telephone alarm

Info

Publication number: CN101540809B
Application number: CN2008100292184A
Authority: CN
Inventors: 曹根元; 曹金桂; 吴晓东
Original assignee: Zhuhai Anlian Raysharp Technology Co Ltd
Current assignee: Zhuhai Anlian Raysharp Technology Co Ltd
Priority date: 2008-07-03
Filing date: 2008-07-03
Publication date: 2012-05-09
Anticipated expiration: 2028-07-03
Also published as: CN101540809A

Abstract

The invention discloses an embedded digital video hard disk video recorder telephone alarm and aims to provide a novel digital video hard disk video recorder telephone alarm of which a digital hard disk video recorder is organically combined with a telephone network by a controlling circuit. The telephone alarm comprises a processer circuit (1), a pickup and hangup circuit(2), a TDMF signal generator circuit (3), a signal frequency stabilizing and outputting circuit (4), a communication isolating circuit (5), a TDMF signal receiving circuit (6), and a communication and power source plug-in device (7), wherein the processor circuit (1) is a CMOS eight-bit singlechip with high performance and low power consumption, can realize to control the TDMF signal generating circuit and the TDMF signal receiving circuit through an internal program, and can communicate with the digital video hard disk video recorder through a serial port so as to realize the function of an intelligent telephone alarm of the digital video hard disk video recorder. The telephone alarm can be widely applied to various security systems.

Description

A kind of embedded digital hard disc video recorder telephone alarm

Technical field

The present invention relates to the security product field, relate in particular to a kind of digital hard disc video recorder telephone alarm.

Background technology

Along with the development of development of technology and information-intensive society, video cassette recorder develops into present DVR (Digital Video Recorder digital video DVR) by the video tape in past.In recent years, video monitoring is widely used in all trades and professions, and the sub-district security monitoring is arranged in the life, the organic station monitoring of telecommunication industry, and banking system has the automatic teller machine monitoring, and there is condition of a fire monitoring in forest department, and the traffic aspect is against Zhanghe traffic monitoring or the like; Say that from function video monitoring can be used for safety precaution, information is obtained and aspects such as command scheduling.Simultaneously, home phone network, switch telephone network and other telephone network adopt up-to-date chip circuit and software engineering at present, can realize the smart phone warning function of family, company and other safety-protection systems.

Develop a kind of new type control circuit, above-mentioned digital hard disc video recorder and telephone network are organically combined, become the digital hard disc video recorder telephone alarm, this product is experience not as yet on the market at present.

Summary of the invention

Technical problem to be solved by this invention is the deficiency that overcomes prior art, and a kind of digital hard disc video recorder telephone alarm is provided.

The technical scheme that the present invention adopted is: the present invention includes digital video DVR and telephone network and control circuit; Said control circuit comprises processor circuit, dislodging machine circuit, dtmf signal generator circuit, signal frequency stabilization output circuit, communication buffer circuit, dtmf signal receiving circuit, communication and connector device; Said dislodging machine circuit comprises relay k2, PNP triode and resistor R 19; Said dtmf signal generation circuit comprises processor chips U4 and resistor R 26; Said signal frequency stabilization output circuit comprises triode Q4 and the peripheral circuit of being made up of resistor and electric capacity; Said communication buffer circuit comprises relay T1, capacitor C 1, C2; Said dtmf signal receiving circuit comprises processor chips U6 and peripheral resistor and crystal oscillating circuit; Said processor circuit and the corresponding electrical connection respectively of said dislodging machine circuit, said dtmf signal generator circuit, said communication buffer circuit, said dtmf signal receiving circuit, communication and connector device; Said dislodging machine circuit is electrically connected with said communication buffer circuit and is connected with the subscriber phone network, and said dtmf signal generator circuit is electrically connected with said signal frequency stabilization output circuit, and said dtmf signal receiving circuit is with said communication and the electrical connection of connector device and be connected the digital video DVR.

Said processor circuit is the CMOS 8-bit microcontroller of high-performance, low-power consumption; There is 2KB can repeat erasable FLASH program storage and 128 byte RAM in it; 15 programmable I/O mouth lines, two 16 bit timing counters, 6 interrupt sources; A full duplex serial UART passage able to programme; Can realize control through inside programming, and communicate by letter with the digital video DVR through serial port to dtmf signal generation circuit, dtmf signal receiving circuit, thus the smart phone warning function of realization digital video DVR.

The invention has the beneficial effects as follows: owing to the present invention includes digital video DVR and telephone network and control circuit; Said control circuit comprises processor circuit, dislodging machine circuit, dtmf signal generator circuit, signal frequency stabilization output circuit, communication buffer circuit, dtmf signal receiving circuit, communication and connector device; Said processor circuit is the CMOS 8-bit microcontroller of high-performance, low-power consumption; There is 2KB can repeat erasable FLASH program storage and 128 byte RAM in it, 15 programmable I/O mouth lines, two 16 bit timing counters; 6 interrupt sources; A full duplex serial UART passage able to programme can be realized the control to dtmf signal generation circuit, dtmf signal receiving circuit through inside programming, and communicate by letter with the digital video DVR through serial port; Thereby realize the smart phone warning function of digital video DVR, comfortable, convenient, efficient, a safe living environment is provided to the mankind.

Description of drawings

Fig. 1 is a circuit structure block diagram of the present invention;

Fig. 2 is the circuit theory sketch map of one embodiment of the invention.

Embodiment

Like Fig. 1, shown in Figure 2; The present invention includes digital video DVR and telephone network and control circuit; Said control circuit comprises processor circuit 1, dislodging machine circuit 2, dtmf signal generator circuit 3, signal frequency stabilization output circuit 4, communication buffer circuit 5, dtmf signal receiving circuit 6, communication and connector device 7; Said dislodging machine circuit 2 comprises relay k2, PNP triode and resistor R 19; Said dtmf signal generation circuit 3 comprises processor chips U4 and resistor R 26; Said signal frequency stabilization output circuit 4 comprises triode Q4 and the peripheral circuit of being made up of resistor R 22, R23 and capacitor C 9; Said communication buffer circuit 5 comprises relay T1, capacitor C 1, C2; Described dtmf signal receiving circuit 6 comprises processor chips U6 and peripheral resistor R 31, R32, R33, R34, R34 and the crystal oscillating circuit of being made up of crystal oscillator X2, capacitor C 17, capacitor C 18; Said processor circuit 1 and said dislodging machine circuit 2, said dtmf signal generator circuit 3, said communication buffer circuit 5, said dtmf signal receiving circuit 6, communication and the 7 corresponding electrical connections respectively of connector device; Said dislodging machine circuit 2 is electrically connected with said communication buffer circuit 5 and is connected with the subscriber phone network, and said dtmf signal generator circuit 3 is electrically connected with said signal frequency stabilization output circuit 4, and said dtmf signal receiving circuit 6 is with said communication and 7 electrical connections of connector device and be connected the digital video DVR.

The CMOS 8-bit microcontroller that said processor circuit 1 is high-performance, low-power consumption; There is 2KB can repeat erasable FLASH program storage and 128 byte RAM in it; 15 programmable I/O mouth lines, two 16 bit timing counters, 6 interrupt sources; A full duplex serial UART passage able to programme; Can realize control through inside programming, and communicate by letter with the digital video DVR through serial port to dtmf signal generation circuit 3, dtmf signal receiving circuit 6, thus the smart phone warning function of realization digital video DVR.

In the present embodiment; The processor chips U5 of said processor circuit 1 adopts the high-performance CMOS 8-bit microcontroller AT89C2051 single-chip microcomputer of atmel corp; Inner integrated watchdog circuit; Powering on automatically resets, and is provided with when needing telephone call by the user when the digital video DVR detects abnormal conditions, and digital video HD recording machine controller sends the telephone number that the user has stored through serial ports to single-chip microcomputer; The processor chips U4 that dtmf signal generator 3 adopts is the HT9200A of Sheng Yang semiconductor company, and the digital signal that HT9200A sends after single-chip microcomputer is handled converts touch-tone signal to and outputs to frequency stabilization circuit; The frequency stabilization circuit that Q4, R23, C9, R22 form amplifies, delivers to the signal coupling transformer after the frequency-selecting, frequency stabilization touch-tone signal; Circuit for answering is delivered to telephone exchange with touch-tone signal through telephone wire; The processor chips U6 that said dtmf signal receiving circuit 6 adopts adopts the HT9270 of Silan company, from the carrier frequency of telephone wire be the various signals of 450KHz through C11, R19, C12, R30, be sent to HT9270, deliver to single-chip microcomputer through inter-process; Communicate by letter with the digital video DVR again after the signal processing that single-chip microcomputer is sent here switch.

During present embodiment work; At first; Connect a cover digital video DVR, connect with the mains and telephone wire, the user is provided with telephone call earlier on the on-screen menu of digital video DVR then; Input telephone number (can be provided with a plurality of), and the warning of opening digital video DVRs such as machinery warning, mobile alarm is provided with function.When the digital video DVR detects abnormal conditions, telephone number is issued the single-chip microcomputer of alarm, and pull out general family number through alarm.If this moment, the user did not answer the call; Or respective acknowledgement is not handled or number does not get through at all because reason such as busy is done to have connect phone; Telephone alarm will ask the master controller of digital video DVR to send out number next; Up to having pulled out the telephone number that stores or user when answering and making the operation that adapts, this time report to the police and finish.

The present invention provides a kind of based on home phone network, switch telephone network and other telephone network; Adopt up-to-date chip circuit and software engineering; Realize the smart phone warning function of family, company and other safety-protection systems; Cooperate the digital video DVR to make its function abundanter practical simultaneously: to embed shape digital video DVR telephone call and still belong to the invention innovation, trigger video recording intelligent sound dialing alarm, predeterminable 10 telephone numbers or phone number at the digital video DVR monitoring video affair alarm that notes abnormalities for current digital video DVR security protection industry; Interlink warning 110; More can be on mobile phone the video tour anomalous event, can also link like Smoke Sensor, gas sensor triggers video recording intelligent sound dialing alarm through the digital video DVR.Strengthened the guarantee to safety, improved the social sense of security, the positive impact that economic loss that therefore reduces and economic construction are risen is inestimable.Safety monitoring equipment as a new generation has received the welcome in market, and the pulling industry increases fast, and brand-new security protection meaning, utility function will be to be how much multiplications to domestic consumer's usability, can realize that export abroad earns foreign exchange, and creates social benefit and industrial value.

Claims

1. embedded digital video hard disk video recorder telephone alarm; It comprises digital video DVR and telephone network and control circuit; It is characterized in that: said control circuit comprises processor circuit (1), dislodging machine circuit (2), dtmf signal generator circuit (3), signal frequency stabilization output circuit (4), communication buffer circuit (5), dtmf signal receiving circuit (6), communication and connector device (7); Said dislodging machine circuit (2) comprises relay k2, PNP triode and resistor R 19; Said dtmf signal generation circuit (3) comprises processor chips U4 and resistor R 26; Said signal frequency stabilization output circuit (4) comprises triode Q4 and the peripheral circuit of being made up of resistor and electric capacity; Said communication buffer circuit (5) comprises relay T1, capacitor C 1, C2; Said dtmf signal receiving circuit (6) comprises processor chips U6 and peripheral resistor and crystal oscillating circuit; Said processor circuit (1) and the corresponding electrical connection respectively of said dislodging machine circuit (2), said dtmf signal generator circuit (3), said communication buffer circuit (5), said dtmf signal receiving circuit (6), communication and connector device (7); Said dislodging machine circuit (2) is electrically connected with said communication buffer circuit (5) and is connected with the subscriber phone network, and said dtmf signal generator circuit (3) is electrically connected with said signal frequency stabilization output circuit (4), and said dtmf signal receiving circuit (6) is with said communication and connector device (7) electrical connection and be connected the digital video DVR.

2. a kind of embedded digital video hard disk video recorder telephone alarm according to claim 1; It is characterized in that: said processor circuit (1) is the CMOS 8-bit microcontroller of high-performance, low-power consumption; There is 2KB can repeat erasable FLASH program storage and 128 byte RAM in it; 15 programmable I/O mouth lines, two 16 bit timing counters, 6 interrupt sources; A full duplex serial UART passage able to programme; Can realize control through inside programming, and communicate by letter with the digital video DVR through serial port to dtmf signal generation circuit (3), dtmf signal receiving circuit (6), thus the smart phone warning function of realization digital video DVR.