CN2634737Y

CN2634737Y - Automatic data channel switch device

Info

Publication number: CN2634737Y
Application number: CN 03260369
Authority: CN
Inventors: 徐安平; 张天明; 冯少君
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-05
Filing date: 2003-08-05
Publication date: 2004-08-18
Anticipated expiration: 2013-08-05

Abstract

The utility model relates to a switch, in particular to an automatic switch device of data channels. The utility model is characterized in that a pin1 and a pin3 of an integrated circuit block U<1> are serially connected with a capacitance C<4>, and a pin 4 and pin 5 of the U<1> are serially connected with a capacitance C<6>, and a pin 2 of the U<1> is connected with the power supply Vcc through the serial connection with a capacitance C<1>, and a pin6 is serially connected with the capacitance C<2> to the ground, and a pin9 and pin 11 of are in respective and direct connection with the pin 2 and pin3 of of the U<2> and a pin 7, and a pin 13 are in direct and respective connection with the pin2 and pin3 of the U<5>, forming erasing and writing circuits, and the pin16 is in direct connection with the power supply Vcc, and one way of the pin1 of the integrated circuit block U<2> is in serial connection with Vcc through the connection with C<3> and another way is in serial connection with R<1> to the grounds to form an electrical reduction circuit, and the pin 4 and pin 5 are in respective serial connection with the capacitance C<7> and C<8> to the grounds, and a crystal oscillator Y<1> is in parallel connection with the pin4 and pin5, which form a clock circuit, and the pin 14 and pin 15 are in direct connection with the pin 5 and pin 6 of the U<4> to form the writing circuit, and the pin 11 is in serial connection with R<4> and D<1> to form a display circuit, and the pin 9 is in direct connection with the pin 14 of the U<3>to form an incoming telegram information input loop.

Description

Automaticdata channel switch device

Technical field: utility model relates to switch, is specially a kind of automaticdata channel switch device.

Background technology: at present, the caller identification of phone only is used for the prompting of calling number, provides the autonomous selection of called subscriber to connect and do not connect the foundation of being called, in a sense, this resource is abundanter, and is idle many, and the public telephone system utilance at night is lower.So it has effectively utilized this resource widely,, each functional department provides active link for realizing the management brakingization.But China does not also have to use the telephone device that has the incoming call demonstration at present.

Summary of the invention: the purpose of this utility model be to provide a kind of simple in structure, with low cost, easy to operate, quick accurately, energy savings, saving manpower, safe and reliable, can with have the phone that incoming call shows and be connected the parallel a kind of data AutoLink switching device that ammeter, coal gas, water rate or the like are charged automatically that uses, realizes.The purpose of this utility model is achieved in that it comprises integrated circuit block U1, U2, U3, U4, triode U6, light-emitting diode D2, crystal oscillator Y1, Y2, binding post U5, telephone set gang socket J1, J2, J3, power input J4, adjustable potentiometer R2, resistance R, capacitor C, relay K 1, housing (1).Integrated circuit block U ₁Pin 1 be connected in series capacitor C with pin 3 ₄, U ₁Pin 4 be connected in series capacitor C with pin 5 ₆, U ₁Pin 2 serial connection capacitor C ₁Be connected pin 6 serial connection capacitor C with power Vcc ₂To ground, pin 9, pin 11 respectively with U ₂Pin 2, pin 3 directly connect, pin 7, pin 13 respectively with U ₅Pin 2, pin 3 directly connect, and formation is wiped and write circuit with computer, and pin 16 directly is connected with power Vcc; Integrated circuit block U ₂Pin 1 one tunnel connect C ₃Be connected in series another road and R with Vcc ₁Form electrify restoration circuit, pin 4, pin 5 are connected in series capacitor C respectively with being concatenated into ₇, C ₈Ground connection and between pin 4, pin 5 and meet crystal oscillator Y ₁Form clock circuit, pin 14,15 direct U ₄Pin 5,6 directly connect to form read/write circuit, pin 11 and R ₄, D ₁Polyphone ground connection is formed the read-write display circuit, pin 9 direct and U ₃Pin 14 directly connect to form the incoming information input circuit, pin 13 is through resistance R ₈Back and triode U ₆Transmitter connect to form amplification control circuit, directly control K ₁, pin 20 directly is connected with power Vcc; Integrated circuit block U ₄Pin 5,6 be connected in series R respectively ₅, R ₆The back is in parallel to connect to form information storage circuit with Vcc, and pin 8 directly is connected with power Vcc; Integrated circuit block U ₃Pin 1,2 respectively with R ₃, C ₅, R ₇, C ₉Serial connection back and R ₂Parallel connection, and be serially connected in phone input terminal J ₃Form incoming information audio frequency input circuit on the e of pin, the f pin, pin 9,10 is connected in series C respectively ₁₀, C ₁₁Between ground connection, pin 9 and the pin 10 and meet crystal oscillator Y ₂Form clock circuit, pin 16 directly is connected with power Vcc; Power input terminal J ₄Pin g one road C ₁₂With C ₁₃The ground connection that is connected in parallel is formed electric source filter circuit, another road R ₉With D ₂Series connection back ground connection is formed the power supply display circuit; U ₆With R ₈Form signal amplification circuit, guarantee U ₂To K ₁Control.On housing (1), be connected with telephone set gang socket J2, J3, power input J4, mains switch K, telephone socket 2.

Description of drawings: Fig. 1 is the utility model box structure principle schematic; Fig. 2 is the utility model circuit structure principle schematic; Fig. 3 is the utility model housing outside drawing; Fig. 4 is the utility model and local telephone network telecommunications network syndeton principle schematic; Fig. 5 is the utility model electric power system box structure principle schematic of checking meter; Fig. 6 is the utility model home security system box structure principle schematic.Among Fig. 3: J3--telephone socket 1, input; J2--telephone socket 4 removes Automatic meter reading system; 4-telephone socket 2; The K--mains switch; J4: power supply input port.Fig. 4: 16--local telephone network telecommunications network; 2--power supply 220V; 3--telephone socket 2, the home telephone machine; J3--telephone socket 1, input; J1--telephone socket 3 is selected other purposes; J2--telephone socket 4 removes Automatic meter reading system; The U2--computer system, CPU; U3--caller identification chip; The K1--relay, change over switch.Among Fig. 5: 16--local telephone network telecommunications network; 17--the utility model; 3--telephone socket 2, the home telephone machine; 4--power department component computer; 5--management end modulator-demodulator; 17--the utility model; 6--administrative department telephone set; 7--meter-copy device and include modulator-demodulator; 8--ammeter row.J3--telephone socket 1, input; J2--telephone socket 4 removes Automatic meter reading system.Among Fig. 6: 16--local telephone network telecommunications network; 17--the utility model; J3--telephone socket 1, input; 9--mobile phone or phone; The 10--household safe is patrolled and examined; The 11--temperature sensor; The 12--position transducer; The 13--sound transducer; 14--coal gas is worn sensor; The 15--optical sensor.

Embodiment: it comprises integrated circuit block U ₁, U ₂, U ₃, U ₄, RS-232 binding post U ₅, triode U ₆, crystal oscillator Y ₁, Y ₂, telephone set gang socket J ₁, J ₂, J ₃, power input J ₄, adjustable potentiometer R ₂, resistance R ₁, R ₃, R ₇, R ₄, R ₅, R ₆, R ₈, capacitor C ₁, C ₂, C ₄, C ₆, C ₃, C ₇, C ₈, C ₅, C ₉, C ₁₀, C ₁₁, relay K ₁, and power circuit R ₉, D ₂, C ₁₂, C ₁₃Form internal circuit, add shell body and form complete Special Automatic data channel switching device.On housing (1), be connected with telephone set gang socket J2, J3, power input J4, mains switch K, telephone socket.Integrated circuit block U ₁Pin 1 (C ₁₊) and pin 3 (C ₁-) the serial connection capacitor C ₄, U ₁Pin 4 (C ₂₊) and pin 5 (C ₂-) the serial connection capacitor C ₆, U ₁Pin 2 serial connection capacitor C ₁Be connected pin 6 serial connection capacitor C with power Vcc ₂To ground, pin 9, pin 11 respectively with U ₂Pin 2 (P _3.0), pin 3 (P _3.1) directly connect, pin 7, pin 13 respectively with U ₅Pin 2, pin 3 directly connect, and form wiping and write circuit of this system and computer, and promptly number writes and erasing circuit, and pin 16 directly is connected with power Vcc guarantees this road operate as normal.Integrated circuit block U ₂Pin 1 one tunnel connect C ₃Be connected in series another road and R with Vcc ₁Form electrify restoration circuit, pin 4, pin 5 are connected in series capacitor C respectively with being concatenated into ₇, C ₈Ground connection and between pin 4, pin 5 and meet crystal oscillator Y ₁Form clock circuit, pin 14,15 direct U ₄Pin 5,6 directly connect to form read/write circuit, pin 11 and R ₄, D ₁Polyphone ground connection is formed the read-write display circuit, pin 9 direct and U ₃Pin 14 directly connect to form the incoming information input circuit, pin 13 is through resistance R ₈Back and triode U ₆Transmitter connect to form amplification control circuit, can directly control K ₁State, pin 20 directly is connected with power Vcc guarantees this road operate as normal.Integrated circuit block U ₄Pin 5,6 be connected in series R respectively ₅, R ₆The back is in parallel to connect to form information storage circuit with Vcc, and pin 8 directly is connected with power Vcc guarantees this road operate as normal.Integrated circuit block U ₃Pin 1,2 respectively with R ₃, C ₅, R ₇, C ₉Serial connection back and R ₂Parallel connection, and be serially connected in phone input terminal J ₃Form incoming information audio frequency input circuit on the e of pin, the f pin, pin 9,10 is connected in series C respectively ₁₀, C ₁₁Between ground connection, pin 9 and the pin 10 and meet crystal oscillator Y ₂Form clock circuit, pin 16 directly is connected with power Vcc guarantees this road operate as normal.Power input terminal J ₄Pin g one road C ₁₂With C ₁₃The ground connection that is connected in parallel is formed electric source filter circuit, another road R ₉With D ₂Series connection back ground connection is formed the power supply display circuit.U ₆With R ₈Form signal amplification circuit, guarantee U ₂To K ₁Thereby control guaranteed the normal operation of system.Various electronic devices all place in the square casing.Pass through J ₃The local network telephone signal that enters is passed through C ₅, C ₉, R ₂, R ₃, R ₇Enter U ₃, U ₃For caller identification special chip HT9032 (, when being connected, need use capacitor C with public telephone network ₅, C ₉Isolated, in the process of pickoff signals, reduced the load of public telephone network as far as possible.According to relevant national standard, the master that public telephone network is sent here the number of calling out the numbers, signal are two kinds of frequency shift signal 2200Hz and 1200Hz.2200Hz represents logical zero, and 1200Hz represents logical one, and the transmission data frequency is 1200bps.U ₃Function exactly sound signal (2200Hz and 1200Hz) is translated into the coherent signal that computer can be discerned.Y ₂, C ₁₀, C ₁₁, Y ₁, C ₇, C ₈, two groups of crystal oscillators are formed clock circuit, supply with U respectively ₃With single-chip microcomputer U ₂(AT89C2051), Y ₂And Y ₁Crystal oscillator frequency be relevant frequency.Receiving terminal is translated into the serial type data message after receiving the information of calling number by the local telephone network telecommunications network, sends into single-chip microcomputer U ₃P _3.5Mouthful, U ₃After receiving information, fast to calling number with there is a U ₄(AT24C16) preset number in compares, when both are inconsistent, and U ₂P _1.1Mouth no signal output (low level), the K1 relay is failure to actuate, J ₃Telephone signal receive J ₁, pass through J ₁Deliver on the telephone set, for normal talking, otherwise when preset number is consistent with calling number, U ₂P _1.1Mouth output high level, U ₆Conducting, K ₁Action, J ₃Signal be linked into J ₂Mouthful, relevant information is passed through J ₂Enter Automatic meter reading system, a special data channel is provided for this reason, thereby finish the automatic data logging task of relevant departments.All these controls are (from receiving signal to K ₁The actuating of relay) all between first bell ring and rising tone bell ring, finish. the J in the circuit diagram ₄Be the access port of power supply, C ₁₂C ₁₃Be used for power filter, D ₂And R ₉The group power indicating circuit.U ₁(model is MAX232) is the RS-232 interface circuit, and the user can pass through U ₁With interface U ₅(RS-232 plug) is connected with computer, realize the task of preset telephone number, the characteristics of this circuit are translating of calling number and are not used in demonstration, but are used for comparison and control, this comparison and be controlled to be the user a convenient and swift cheap data channel is provided.The public telephone signal is by telephone jack J ₃At first send into the FSK decoding chip, U ₃The main chip model is HT9032, and HT9032 exports single-chip microcomputer (U after the dialing number information of audio signal form is translated into 0 or 1 signal ₂) receive the signal of HT9032 after, store and carry out a series of data and transfer relatively, and control output relay K ₁, whether the decision public telephone inserts Automatic meter reading system.U ₁Main chip is the MAX232 interface circuit.The purposes of MAX232 be computer by MAX232 and notebook data passage (switch) communication, write preset signal to make things convenient for the user by computer.

Claims

1, a kind of automaticdata channel switch device, it comprises integrated circuit block U1, U2, U3, U4, triode U6, light-emitting diode D2, crystal oscillator Y1, Y2, binding post U5, telephone set gang socket J1, J2, J3, power input J4, adjustable potentiometer R2, resistance R, capacitor C, relay K 1, housing (1), it is characterized in that: integrated circuit block U ₁Pin 1 be connected in series capacitor C with pin 3 ₄, U ₁Pin 4 be connected in series capacitor C with pin 5 ₆, U ₁Pin 2 serial connection capacitor C ₁Be connected pin 6 serial connection capacitor C with power Vcc ₂To ground, pin 9, pin 11 respectively with U ₂Pin 2, pin 3 directly connect, pin 7, pin 13 respectively with U ₅Pin 2, pin 3 directly connect, and formation is wiped and write circuit with computer, and pin 16 directly is connected with power Vcc; Integrated circuit block U ₂Pin 1 one tunnel connect C ₃Be connected in series another road and R with Vcc ₁Form electrify restoration circuit, pin 4, pin 5 are connected in series capacitor C respectively with being concatenated into ₇, C ₈Ground connection and between pin 4, pin 5 and meet crystal oscillator Y ₁Form clock circuit, pin 14,15 direct U ₄Pin 5,6 directly connect to form read/write circuit, pin 11 and R ₄, D ₁Polyphone ground connection is formed the read-write display circuit, pin 9 direct and U ₃Pin 14 directly connect to form the incoming information input circuit, pin 13 is through resistance R ₈Back and triode U ₆Emitter connect to form amplification control circuit, directly control K ₁, pin 20 directly is connected with power Vcc; Integrated circuit block U ₄Pin 5,6 be connected in series R respectively ₅, R ₆The back is in parallel to connect to form information storage circuit with Vcc, and pin 8 directly is connected with power Vcc;

Integrated circuit block U ₃Pin 1,2 respectively with R ₃, C ₅, R ₇, C ₉Serial connection back and R ₂Parallel connection, and be serially connected in phone input terminal J ₃E, f pin on form incoming information audio frequency input circuit, pin 9,10 is connected in series C respectively ₁₀, C ₁₁Between ground connection, pin 9 and the pin 10 and meet crystal oscillator Y ₂Form clock circuit, pin 16 directly is connected with power Vcc; Power input terminal J ₄Pin g one road C ₁₂With C ₁₃The ground connection that is connected in parallel is formed electric source filter circuit, another road R ₉With D ₂Series connection back ground connection is formed the power supply display circuit; U ₆With R ₈Form signal amplification circuit, guarantee U ₂To K ₁Control.

2, a kind of automaticdata channel switch device according to claim 1 is characterized in that: be connected with telephone set gang socket J2, J3, power input J4, mains switch K, telephone socket 2 on housing (1).