CN2511066Y - Wire-free intelligent anti-theft door-bell apparatus - Google Patents

Abstract

The utility model is a wireless intelligent theftproof doorbell device composed by that a hose is communicated with a portable computer by receiving and transmitting radio waves. The MD hose circuit is composed of an antenna, a blue tooth radio transceiver, a high-speed digital signal processor, a blue tooth link controller, a liquid crystal display, a receiver, a transmitter, a door lock, and a keyboard which are electrically connected through respective signal line. The PD portable computer circuit is composed of the antenna, the blue tooth radio transceiver, the high-speed digital signal circuit, the blue tooth link controller, the liquid crystal display, the receiver, the transmitter, a buzzer and the keyboard which are electrically connected through respective signal line. The utility model does not require wiring, has good noise immunity, convenient maintenance, good talking sound quality, simple structure, small size, low cost, high intelligent degree, and multifunction.

Description

Intelligent wireless theft-proof door bell device

The utility model is an intelligent wireless theft-proof door bell device, belongs to theft-proof door bell equipment.

Tradition theft-proof door bell device adopts the telephone-type wire structures, transmission of analogue signal, so the theft-proof door bell device exists following main shortcoming and problem inevitably: wiring of (1) needs and line upkeep, anti-interference is poor, difficult in maintenance; (2) call tone quality is poor, distortion is big; (3) transponder location is fixed; (4) function singleness etc.

The purpose of this utility model be exactly for overcome and solve existing traditional theft-proof door bell device exist need wiring, safeguard difficult, call tone quality is poor, distortion is big, anti-interference is poor, transponder location is fixed, the shortcoming and the problem of function singleness etc., research and design is a kind of to be need not to connect up, cost is low, easy to maintenance, anti-interference is good, call tone quality is good, transponder is convenient for carrying, multi-functional intelligent wireless theft-proof door bell device.

The utility model is realized by following technical proposals: the structural representation of intelligent wireless theft-proof door bell device as shown in Figure 1; The circuit block diagram of its MD main frame as shown in Figure 2; The circuit block diagram of its PD portable machine as shown in Figure 3; The circuit theory diagrams of its MD main frame as shown in Figure 4; Its PD portable machine circuit theory diagrams as shown in Figure 5.It by the MD main frame 1 of building gate setting by emission and receive radio wave and can receive and the PD portable machine 2 of emitting radio wave is connected and constitutes intelligent wireless theft-proof door bell device; The circuit of its MD main frame 1 is connected and composed jointly by antenna, 2.4G bluetooth radio transceiver, high-speed digital signal processor, Bluetooth link controller, LCD, receiver, transmitter, door lock, keyboard, and its interconnected relationship is: 2.4G bluetooth radio transceiver respectively by receiving and transmitting signal line, received signal line, transmit line respectively with antenna, high-speed digital signal processor in received signal classification switch, the marker that transmits be electrically connected mutually; High-speed digital signal processor is electrically connected with Bluetooth link controller, receiver, transmitter respectively mutually by control signal wire, accepted call signal line, telecommunication signal line respectively; The Bluetooth link controller is electrically connected with door lock, keyboard, LCD respectively mutually by door lock signal line, keyboard signal line, display signal line respectively; Its PD portable machine circuit is connected and composed jointly by antenna, 2.4G bluetooth radio transceiver, high-speed digital signal processor, Bluetooth link controller, LCD, receiver, transmitter, buzzer, keyboard, and its interconnected relationship is: 2.4G bluetooth radio transceiver respectively by receiving and transmitting signal line, received signal line, transmit line respectively with antenna, high-speed digital signal processor in received signal classification switch, the marker that transmits be electrically connected mutually; High-speed digital signal processor is electrically connected with Bluetooth link controller, receiver, transmitter respectively mutually by control signal wire, accepted call signal line, telecommunication signal line respectively; The Bluetooth link controller is electrically connected with high-speed digital signal processor, keyboard, LCD, buzzer respectively mutually by control signal wire, keyboard signal line, display signal line, buzzing control signal wire respectively; Wherein: the 2.4G bluetooth radio transceiver of MD main frame is connected and composed jointly by antenna ANT1, printing-type radio-frequency filter PF1, capacitor C 1～C8, C13, printing-type balun PB1, printing-type inductance PL1; High-speed digital signal processor is connected and composed jointly by bluetooth integrated circuit (IC) 1, integrated circuit (IC) 3, crystal oscillator G1, resistance R 1～R8, capacitor C 9～C19; The Bluetooth link controller is connected and composed jointly by bluetooth integrated circuit (IC) 1, integrated circuit (IC) 2; LCD is made of integrated circuit (IC) 5; Flash is made of IC4; The 2.4G bluetooth radio transceiver of PD portable machine is connected and composed jointly by antenna ANT2, printing-type radio-frequency filter PF2, capacitor C 20～C27, C32, printing-type balun PB2, printing-type inductance PL2; High-speed digital signal processor is connected and composed jointly by bluetooth integrated circuit (IC) 6, integrated circuit (IC) 7, crystal oscillator G2, resistance R 9～R17, capacitor C 28～C31, C33～C39; The Bluetooth link controller is made of bluetooth integrated circuit (IC) 6; LCD is made of integrated circuit (IC) 9.Flash is made of integrated circuit (IC) 8.

The style of work principle of this intelligent wireless theft-proof door bell device is as follows: a main frame MD (Main Device) is set at the building gate, be used to control the switching at gate, every user disposes a miniature portable machine PD (Portable Device), and distributes a unique user code; When the user walked close to the gate, based on the waking up automatically of bluetooth, automatic answer function, the MD main frame can be differentiated this user immediately, and whether control opens the door; The PD machine can also provide the function of instant messaging except the effect with electron key---and be between the user in the building and can be convenient to so very much resident's management in whole building, help creating good neighborhood relationship by the directly conversation mutually of PD machine; In addition, when the stranger wanted to enter building, the MD main frame can be by the detection of PD machine being judged the whether user in the building of the user that called out, if the user in the building then connects voice link and converses, otherwise makes automatic-answering back device; Whole device essence is made up of a MD and a plurality of PD, and they each other can mutual communication.The software flow block diagram of device is shown in Fig. 6～8.

The operation principle of MD main frame of the present utility model is as follows: the voice signal that transmitter is sent is delivered to the marker that transmits through audio coder, adds the audio signal sign, sends into the bluetooth radio transceiver again, is launched by antenna at last; The digital signal that is received by antenna is sent into received signal classification switch through the bluetooth radio transceiver, digital signal is divided into audio signal, PD machine user approach signal, PD machine user confirms enabling signal.If audio signal is then sent into audio decoder, the voice signal that decodes is given receiver and is sounded; If PD machine user approach signal is then opened door lock by controller control, if be PD machine user, confirm enabling signal, then open door lock by controller control.Keyboard is used for to stranger's incoming call personal code work, the code of input is simultaneously displayed on the LCD, after pressing acknowledgement key, controller produces call signal, send in the marker that transmits and add marker, send into the bluetooth radio transceiver again, launch from antenna more at last, pass to the PD machine user that will call out.

The style of work principle of miniature PD portable machine of the present utility model is as follows: the voice signal that transmitter is sent is through audio coder, deliver to the marker that transmits, add the audio signal sign, send into the bluetooth radio transceiver again, be transmitted in the air by antenna at last and go; The digital signal of being received by antenna is divided into audio signal through received signal classification switch with digital signal, another PD machine customer call code signal and stranger ask conversation signal, if audio signal is then sent into audio decoder, the voice signal that decodes is given receiver and is sounded; If be another PD machine customer call code, be presented on the LCD then by controller control buzzer sounding, and with personal code work; If for the stranger asks conversation signal, then by controller control buzzer sounding; The effect of keyboard has two: the one, when stranger's door opening request, by confirming that enabling signal control MD main frame opens the door; The 2nd, the personal code work that input will be called out, be presented on the LCD by the personal code work of controller input, and this personal code work signal sent in the marker that transmits add marker, send into the bluetooth radio transceiver again, launch from antenna more at last, pass to the PD machine user that will call out.

The utility model compared with prior art, have following advantage and beneficial effect: (1) the utility model is applied to Bluetooth technology in the theft-proof door bell device, the intelligent anti-theft device that make it to become identification automatically, automatic-answering back device, opens the door automatically is specially adapted to office buildings and high-end residential sub-district and uses; (2) the utility model need not the wiring, easy to maintenance, anti-interference good, call tone quality good; (3) the utility model is simple in structure, volume is little, PD machine (transponder) is easy to carry, cost is low; (4) the intelligent degree height of the utility model, multi-functional; (5) the utility model can also expand, and escalates into intelligent office worker management devices on and off duty.

Below Figure of description is further specified as follows: Fig. 1 is the structural representation of this intelligent wireless theft-proof door bell device; Fig. 2 is its MD host circuit block diagram; Fig. 3 is its PD portable machine circuit block diagram; Fig. 4 is the circuit theory diagrams of one of its MD host implementation mode; Fig. 5 is the circuit theory diagrams of one of its PD portable machine execution mode; Fig. 6 is this intelligent wireless theft-proof door bell device MD host control program software flow block diagram; Fig. 7 is this device MD main frame interrupt routine software program flow process block diagram; Fig. 8 is this device PD portable machine control program software flow block diagram; Same numeral point should corresponding connection in Fig. 4～5.

Enforcement of the present utility model can be as follows: (1) designs the casing and the panel of processing and manufacturing MD main frame 1, PD portable machine 2 by shown in Figure 1; For example optional with the manufacturing of engineering plastics employing injection moulding process; (2) press Fig. 2, shown in Figure 4, and connection is installed by Fig. 2, Fig. 4 with computer drawing, production MD host circuit board; Press Fig. 3, shown in Figure 5ly produce PD portable machine circuit board with computer drawing, and by Fig. 3, shown in Figure 5 connection is installed; Just can implement the MD main frame and the PD portable machine of this device preferably.Wherein: the low complex degree low-cost single chip bluetooth integrated circuit that IC1, IC6 can adopt CSR (Cambridge Silicon Radio) company to release; IC1, IC6 chip be integrated radio frequency unit and baseband controller on the CMOS wafer of 8 millimeters * 8 millimeters of a slices, the flash memory (Flash ROM) IC4, the IC9 that only need and include the bluetooth software stack cooperate, the blue tooth interface of thorough compatibility can be provided to data and voice device, and this has simplified the hardware designs of equipment greatly; IC4, IC9 can be the large flash memory of 256K word, are used to store the software of bluetooth protocol repertory and are control program that this device customized specially; Software on the flash memory is carried out by the embedded microprocessor of IC1, IC6; IC1, IC3 and IC6, IC7 realize the high speed digital signal processor among Fig. 2 and Fig. 3 respectively, the optional M29W400B of IC1, IC6; The optional MC145483SD of IC3, IC7; Can realize the marker that transmits by software, the unlike signal start frame that will launch adds marking signal; Received signal classification switch determines it is which kind of signal by identification received signal start frame, sends into corresponding processor; Audio coder ﹠ decoder (codec) IC3, IC7 can be converted to the analog voice signal that microphone picks up PCM (pulse code modulation) digital signal, and send into IC1, the IC6 chip is launched, also can be converted to analog voice signal to the PCM digital signal that IC1, IC6 send, thereby drive loud speaker; The singlechip chip AT89C51 that the optional U.S. of IC2 Atmel company produces, its instruction set and widely used Intel 51 series are compatible, chip integration has become the interior reservoir of the quickflashing of 4K byte, but directly write on the chip to the program repeated multiple times, IC2 is used for the operation of monitoring (keyboard), and the keyboard input is shown on display IC5; The optional SVM12232 of display module IC5, IC9 realizes; And according to the switching of corresponding State Control door lock; IC2 communicates by letter with IC1 through universal asynchronous serial port (UART).The PD portable machine has then omitted singlechip chip, utilizes 8 input/output ports able to programme (PIO[0:7]) of IC6 to realize keyboard scan, thereby has reduced the hardware volume; The all optional 13MHz of crystal oscillator G1, G2; (3) after the utility model powers up, carry out resetting of hardware at first automatically, by software program relevant register is carried out initialization then, enter the execution of main program again.Interrupt routine is mainly used in the serial communication between IC1 and the IC2.When the user who carries the PD machine when the gate, at first carry out between MD machine and the PD machine frequency hop sequences synchronously, set up communication link.Then, the PD machine the user code of oneself send the MD machine to, the MD machine detects received user code, if the legal users sign indicating number, then by serial port notice IC2 control door-lock opening; Otherwise, think the disabled user, skip the step of unblanking and between return; When the stranger when the gate, the stranger wants calling party's code with the keyboard input of MD machine, MD machine and called out and at first carried out the synchronous of frequency hop sequences between the PD machine is set up communication link.If access success, the stranger will with PD machine user's communication, if PD machine user admission stranger, then send out one and confirm that enabling signal passes to the MD machine, by serial port notice IC2 control door-lock opening; Otherwise, think the disabled user, skip the step of unblanking and between return.

Claims (1)

1, a kind of intelligent wireless theft-proof door bell device is characterized in that: the MD main frame (1) that it is provided with by the building gate is by emission and receive radio wave and can receive and the PD portable machine (2) of the emitting radio wave formation intelligent wireless theft-proof door bell device that is connected; The circuit of its MD main frame (1) is connected and composed jointly by antenna, 2.4G bluetooth radio transceiver, high-speed digital signal processor, Bluetooth link controller, LCD, receiver, transmitter, door lock, keyboard, and its interconnected relationship is: 2.4G bluetooth radio transceiver respectively by receiving and transmitting signal line, received signal line, transmit line respectively with antenna, high-speed digital signal processor in received signal classification switch, the marker that transmits be electrically connected mutually; High-speed digital signal processor is electrically connected with Bluetooth link controller, receiver, transmitter respectively mutually by control signal wire, accepted call signal line, telecommunication signal line respectively; The Bluetooth link controller is electrically connected with door lock, keyboard, LCD respectively mutually by door lock signal line, keyboard signal line, display signal line respectively; Its PD portable machine circuit is connected and composed jointly by antenna, 2.4G bluetooth radio transceiver, high-speed digital signal processor, Bluetooth link controller, LCD, receiver, transmitter, buzzer, keyboard, and its interconnected relationship is: 2.4G bluetooth radio transceiver respectively by receiving and transmitting signal line, received signal line, transmit line respectively with antenna, high-speed digital signal processor in received signal classification switch, the marker that transmits be electrically connected mutually; High-speed digital signal processor is electrically connected with Bluetooth link controller, receiver, transmitter respectively mutually by control signal wire, accepted call signal line, telecommunication signal line respectively; The Bluetooth link controller is electrically connected with high-speed digital signal processor, keyboard, LCD, buzzer respectively mutually by control signal wire, keyboard signal line, display signal line, buzzing control signal wire respectively.

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