CN2566545Y - Printing intelligent network public telephone - Google Patents

Abstract

The utility model discloses an intelligent printing telephone capable of being communicated with an intelligent network. Besides conventional components of an ordinary telephone, the interior of a set body is provided with a miniature high-speed thermal printer to realize real time and high-speed printing of telephone fees to provide certificates of conversation and reimbursement for a user. The interior is also provided with an anti set combining circuit to avoid phenomena of set combination and theft calls. The utility model not only brings convenience for an owner of a public telephone, and also provides more comprehensive and timely services for the user. The utility model can be used for the field of the public telephones.

Description

Printing intelligent network public telephone set

Technical field

The utility model relates to technical field of telecommunications and microcomputer field, is specifically related to a kind of intelligent network phones machine of using miniature computer, more particularly, relates to the intelligent network phones machine that there is printing function a kind of inside.

Background technology

The taximeter of the telephone set of prior art generally all is the outside that is connected telephone set, and the socket by telephone set is connected with telephone set, and it generally all adopts and telephone system power supply independently, and isolates fully on electric.The existing telephone taximeter is mainly used in the call meters of public telephone, and its weak point is then can not charge when using on the subscribers feeder at no polarity reversing signal or count easily by mistake; To answer the call and can not carry out any control, thereby function singleness.

Though the telephone set of prior art can be communicated with intelligent network, but it must could be communicated with intelligent network through loaded down with trivial details dial-up program, and must buy phonecard, also must pay the machine master certain expense in addition, and its inside is not provided with printer, so exist ticket to print situation of difficult, the voucher that makes the user not have newspaper to separate, complain.

On December 28th, 1994, disclosed application number was a kind of patent of not having the telephone set that ticket is printed and redialed automatically in antipole automatic charging, the machine of 93245114, original technology has been carried out a series of improvement, but still there are many shortcomings in it, it has adopted taximeter in the machine, all manual input such as rate is entered, increased keeper's burden, its rate is easily by malicious modification, and can not inquire about telephone expenses at any time; Adopted mini-printer in the machine, but the speed that impact printer is printed is slow, waste user's time; Anti-free call on sb. else's expense through illegal means circuit is not installed in the machine, is therefore had very serious free call on sb. else's expense through illegal means phenomenon, these have all caused serious loss and white elephant to telecommunication department, and are open-minded because if these public telephone sets continue, and will continue loss; If close, just lost a income.

Based on above various shortcoming, developed the utility model.

Summary of the invention

Development along with Communication in China cause and computer, communication has brought new breath to a kind of public telephone access way intelligent network platform of novelty to public telephone, this mode networking flexibility, charge accurately, can effectively solve the inherent defect of other forms of public telephone, be subjected to telecom operators and user's welcome.

The technical solution of the utility model is: provide a kind of and be connected with intelligent network, charge accurately, can prevent free call on sb. else's expense through illegal means, and can print the telephone set of telephone expenses list at any time, it comprises main body and the microphone that is connected with intelligent network, main body comprises LCDs, button etc., its inner circuit part comprises: compositions such as telephone interface circuit, ringing circuit, speaking circuit, liquid crystal display circuit, control circuit, clock circuit, memory circuitry, power circuit are provided with mini-printer in the described main body.

Described mini-printer data serial output TXD ' is connected with the serial output terminal TXD of control circuit, and its data serial input RXD ' is connected with the serial input terminal RXD of control circuit.

Mini-printer in the described main body is set to the high speed thermal printer.

Be provided with one road telephone paralleling prevention circuit in the described main body.

Described telephone paralleling prevention circuit comprises triode Q4, Q5, Q6, resistance R 42-R46, R55, capacitor C 36, diode ZD2, wherein

The collector electrode of triode Q5 is connected with the base stage of Q6 by resistance R 55, the grounded emitter of Q5, the collector electrode of Q6 is connected with the collector electrode of Q4, the emitter of Q6 is connected with the base stage of Q4, the grounded emitter of Q4, resistance R 42-R46, R55, capacitor C 36, diode ZD2 is connected between the collector and emitter of Q5 by R45, the intersection point of ZD2 and R45 is connected by photoelectrical coupler U11 with the collector electrode of triode Q4 by R46, thereby photoelectricity is coupled to the power supply VSS port of the dual-tone multifrequency reflector U10 in the DTMF dual-tone multifrequency signaling circuit, and the intersection point of ZD2 and R45 also is connected with telephone interface circuit simultaneously.

Compared with prior art, characteristics of the present utility model are:

1, the DTMF dual-tone multifrequency that employing can be communicated with intelligent network in the machine receives and DTMF dual-tone multifrequency signaling circuit

Realized that public telephone is communicated with the direct of intelligent network, fully realized the real time billing of public telephone,

And improved the charging accuracy of public telephone.Adopt the microcontroller communication technology, realized phone

The centralized management function, fully realized the conversation of public telephone and the synchronous operation of charging.

2, telephone set is provided with high speed temperature-sensitive mini-printer in body, can momentarily print in detail for the user

Ticket, fully realized the ticket real time print of public telephone, avoided public telephone not have effectively

Method is printed the phenomenon of ticket, makes on business that phone has had complaint, reimbursement voucher at this making call, and

And what the utility model adopted is the high speed thermal printer, and print speed is very fast, saved the user and

Machine master's time.

3, adopt the telephone paralleling prevention circuit, made the user can't take extension to get final product free call on sb. else's expense through illegal means, avoided phone effectively

Serious free call on sb. else's expense through illegal means phenomenon.

Description of drawings

Fig. 1 is that circuit of the present utility model constitutes block diagram;

Fig. 2 is circuit theory diagrams of the present utility model.

Embodiment

As shown in Figure 1, internal circuit of the present utility model mainly comprises: telephone interface circuit, ringing circuit, speaking circuit, liquid crystal display circuit, clock circuit, thermal printer, memory circuitry, key circuit, telephone paralleling prevention circuit, power circuit and charging circuit, DTMF dual-tone multifrequency signaling and receiving circuit.Be provided with mini-printer in the described main body.

Mini-printer in the described main body is set to the high speed thermal printer.

Described mini-printer also is connected with control circuit, and its data serial output TXD ' is connected with the serial output terminal TXD of control circuit, and its data serial input RXD ' is connected with the serial input terminal RXD of control circuit.

The setting of main body inprinter, not only solved the phenomenon of public telephone printing ticket difficulty, and state-of-the-art high speed thermal printer on the employing market, realized that the telephone expenses of public telephone are real-time, printing at a high speed, thereby complained and reported the voucher of separating for the user provides.

Described DTMF dual-tone multifrequency signaling circuit is connected with control circuit with DTMF dual-tone multifrequency receiving circuit.

The utilization of these two kinds of circuit can realize that public telephone set need not dial and can realize and the interconnection and interflow of intelligent network, fully realizes the real time billing of public telephone, and can inquire about telephone expenses in real time, and do not make the placement flow of public telephone increase complexity.

The course of work of the present utility model is such:

When the machine of lifting is prepared to make a phone call, one lifts dynamo-electric words interface circuit will lift the machine signal and be sent to control circuit, control circuit sends lifts the machine order, connect talking path, and signal to the signaling circuit, the signaling circuit sends this machine access code, be communicated with intelligent network, enter communications status, begin to receive subscriber dialing, and communicate by letter with intelligent network platform by dual-tone multifrequency signaling circuit, decoding circuit by key circuit.Confirm user right, if the user has the right, intelligent network platform connecting subscribers participating phone then, simultaneously, the intelligent network charge system begins effect.In the communication process, liquid crystal display circuit drives LCDs and shows talking state.When talk-through, control circuit detects user's on-hook order.The user presses the telephone expenses button, control circuit by signaling with receive decoding circuit and communicate by letter with intelligent network platform, obtain this telephone expenses, show and pass through printer prints.

When answering the call, telephone interface circuit receives signal, delivers to ringing circuit and speaking circuit after treatment, and ringing circuit signals to control circuit, lift machine after, speaking circuit begins effect, realizes conversation.

Also be provided with one road telephone paralleling prevention circuit in the described main body.

Described telephone paralleling prevention circuit comprises triode Q4, Q5, Q6, resistance R 42-R46, R55, capacitor C 36, diode ZD2, wherein

The collector electrode of triode Q5 is connected with the base stage of Q6 by resistance R 55, the grounded emitter of Q5, the collector electrode of Q6 is connected with the collector electrode of Q4, the emitter of Q6 is connected with the base stage of Q4, the grounded emitter of Q4, resistance R 42-R46, R55, capacitor C 36, diode ZD2 is connected between the collector and emitter of Q5 by R45, the intersection point of ZD2 and R45 is connected by photoelectrical coupler U11 with the collector electrode of triode Q4 by R46, thereby photoelectricity is coupled to the power supply VSS port of the dual-tone multifrequency reflector U10 in the DTMF dual-tone multifrequency signaling circuit, and the intersection point of ZD2 and R45 also is connected with telephone interface circuit simultaneously.

The setting of telephone paralleling prevention circuit has been avoided in the daily life, on public telephone set and connect the phenomenon that a phone can free call on sb. else's expense through illegal means, telecommunication department and public telephone set machine master's interests have been safeguarded effectively, the operation principle of telephone paralleling prevention circuit is such, as shown in Figure 2, the cut-ff voltage of diode ZD2 is 11V, one end of telephone paralleling prevention circuit is directly connected on the telephone wire 48VIN, when being in hook state, the voltage on the telephone wire is 48V, and at this moment diode ZD2 is in the puncture cut-off state, thereby triode Q5 conducting, triode Q4, Q6 ends, and photoelectrical coupler U11 also is in cut-off state, and telephone set is in normal condition; When the parallel operation phenomenon occurring, because the extension set effect, the input voltage of telephone paralleling prevention circuit will be lower than 11V, at this moment, diode ZD2 conducting, triode Q5 ends, triode Q4, Q6 conducting, and photoelectrical coupler U11 sends the parallel operation signal input port P0.2 that parallel operation signal BJ is sent to cpu chip U2, the CPU effect, send interference signal, the parallel operation telephone set can't be worked, thereby avoided the phenomenon combined with other handset and illegally used that often occurs in the daily life effectively.

The product of being produced according to the utility model technology can have two kinds of embodiment:

Embodiment 1: the Intelligent printing formula public telephone set of Attended mode, can dial the required telephone number of dialing as long as it lifts machine, phone will be connected with intelligent network automatically, need not to dial loaded down with trivial details card number and password, according to the ticket that prints, the master pays dues to machine then.

Embodiment 2: unattended Intelligent printing formula public telephone set, its need buy a kind of similar and existing 208 or 201 the card and so on phonecard, but in use, needn't import needed Fixed Dialing when being connected with intelligent network, it is lifted machine and promptly is connected with intelligent network, input card number and password can be dialed the required telephone number of dialing, then can be according to the ticket that prints, and the remaining sum in the check card.

The utility model suits in the telecommunication field, the application on the public telephone cause.

Claims (4)

1, a kind of printing intelligent network public telephone set, it comprises main body and the microphone that links to each other with intelligent network, its inner circuit comprises control circuit etc., it is characterized in that: be provided with mini-printer in the described main body, printer is connected with control circuit, its data serial output TXD ' is connected with the serial output terminal TXD of control circuit, and its data serial input RXD ' is connected with the serial input terminal RXD of control circuit.

2, printing intelligent network public telephone set according to claim 1 is characterized in that: the mini-printer in the described main body is set to the high speed thermal printer,

3, printing intelligent network public telephone set according to claim 2 is characterized in that: be provided with one road telephone paralleling prevention circuit in the described main body.

4, printing intelligent network public telephone set according to claim 3, it is characterized in that: described telephone paralleling prevention circuit comprises triode Q4, Q5, Q6, resistance R 42-R46, R55, capacitor C 36, diode ZD2, wherein

The collector electrode of triode Q5 is connected the grounded emitter of Q5 by resistance R 55 with the base stage of Q6; The collector electrode of Q6 is connected with the collector electrode of Q4, and the emitter of Q6 is connected with the base stage of Q4; The grounded emitter of Q4, resistance R 42-R46, R55, capacitor C 36, diode ZD2 are connected between the collector and emitter of Q5 by R45, the contact of ZD2 and R45 is connected by photoelectrical coupler U11 with the collector electrode of triode Q4 by R46, thereby photoelectricity is coupled to the power supply VSS port of the dual-tone multifrequency reflector U10 in the DTMF dual-tone multifrequency signaling circuit, and the contact of ZD2 and R45 also is connected with telephone wire 48VIN simultaneously.