CN201616854U - Conversion device for realizing to transmit and receive fax by fax machine wirelessly - Google Patents

Abstract

The utility model provides a conversion device for realizing to transmit and receive fax by fax machine wirelessly, comprising a data stream channel, a voice stream channel and a Cpld control module which is used switching a voice channel and a data channel; the data stream channel comprises a DAA data communication device, a demodulator and a mast control module which are connected sequentially, and a wireless MODULE containing an antenna; the voice stream channel comprises Slic and a voice switching module, and a wire interface controller, a voice switching module and a wireless MODULE are sequentially connected; the Cpld control module is respectively connected with the voice switching module, the mast control module and the wireless MODULE; by adopting the conversion device, a common fax machine can transmit and receive the fax by wireless network, so as to greatly improve the fax using convenience.

Description

Realize the conversion equipment of wireless fax sending and receiving of fax machine

[technical field]

The utility model relates to a kind of facsimile machine, particularly realizes the conversion equipment of wireless fax sending and receiving of fax machine.

[background technology]

Common G3 class facsimile machine can only can not pass through the wireless network fax sending and receiving by the fixed network of PSTN, this has limited the flexibility of its office greatly for the user of common facsimile machine, also limited simultaneously to move and carried out the business application of individual or enterprise.

[utility model content]

The technical problems to be solved in the utility model is to provide a kind of conversion equipment of realizing wireless fax sending and receiving of fax machine, and Common Facsimile Machine is passed through the wireless network fax sending and receiving.

The technical problems to be solved in the utility model is achieved in that a kind of conversion equipment of realizing wireless fax sending and receiving of fax machine, comprises the Cpld control module that a data flow path, voice flow passage and a pair of this voice channel and data channel are switched; Described data flow path comprises that successively a DAA (the Data Access Arrangement) data communication equipment, that connects adjusts demodulator (MODEM module), a main control module, and a wireless MODULE who comprises antenna; Described voice flow passage comprises a Slic (Subscriber Line Interface Controller line interface controller) and a voice handover module, describedly connects successively with line interface controller, a voice handover module and described wireless MODULE; Described Cpld control module connects described voice handover module, main control module and wireless MODULE respectively.

Above-mentioned conversion equipment comprises that also one is used to connect the RJ11 interface of facsimile machine, this RJ11 interface respectively with the DAA data communication equipment of described data flow path and described voice flow passage use the line interface controller.

Advantage of the present utility model is: can realize that common G3 facsimile machine carries out fax sending and receiving by wireless network (wireless/GPRS or 3G/4G wireless network), make the use of facsimile machine convenient flexibly.

[description of drawings]

In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.

Fig. 1 and Fig. 2 are the structural representations of the utility model conversion equipment.

Fig. 3 is the related software architecture block diagram of the utility model.

[embodiment]

See also illustrated in figures 1 and 2ly, conversion equipment of the present utility model comprises the Cpld control module 3 that a data flow path 1, voice flow passage 2 and a pair of this voice channel 2 and data channel 1 are switched.

Described data flow path 1 comprises that successively a DAA data communication equipment 11, that connects adjusts demodulator (MODEM module) 12, one main control module 13, and a wireless MODULE14 who comprises antenna.

Described voice flow passage 2 comprises a usefulness line interface controller (Slic) 21 and a voice handover module 22, describedly connects successively with line interface controller 21, voice handover module 22 and described wireless MODULE14; Described Cpld control module 3 connects described voice handover module 22, main control module 13 and wireless MODULE14 respectively.

All being connected of the DAA data communication equipment 11 of described data flow path 1 and described voice flow passage 2 with a RJ11 interface 15 with line interface controller 21, conversion equipment 3 can be connected, in order to realize that Common Facsimile Machine is by the wireless network fax sending and receiving by this RJ11 interface 15 with facsimile machine.

The functional description of above-mentioned each module is as follows:

Described DAA data communication equipment 11: it is needed a kind of data communication equipment when being used for data terminal and data communications equipment access public telecommunication network, and this module of the present utility model is that the analog signal conversion that is used for being responsible for facsimile machine becomes the manageable signal of modem;

Described adjustment demodulator 12: be used for the analog signal that facsimile machine is come is demodulated to serial data;

Described main control module 13: be used for the operation of control transformation device whole system;

Described wireless MODULE14: the module of various support radio facsimiles, be responsible for the transmission of wireless speech and data;

Described RJ11 interface 15: a kind of telephony interface can be connected on common telephone set and facsimile machine on this interface;

Described with line interface controller 21: this module provides feed for facsimile machine, and the voice signal of being responsible for telephone set is come converts the analog signal that can dock with wireless module to;

Described voice handover module 22: support the SLIC voice signal to be connected with headset or wireless module (as gsm module) voice channel;

Described Cpld control module 3: the switching of voice channel and data channel is provided, is responsible for off-hook, on-hook, DTMF, busy tone detection simultaneously, and sends ring, dialing tone, busy tone or the like.

See also shown in Figure 3ly, be a kind of software architecture block diagram of realizing the inventive method.Comprise a call management module, facsimile data processing module, facsimile data sending module, serial data parsing module, serial data transceiver module, FXS (periphery exchange subscriber phone interface) virtual drive module.Described call management module is connected with facsimile data processing module, FXS virtual drive module respectively, the facsimile data processing module is connected with facsimile data sending module, serial data parsing module respectively again, described facsimile data sending module, serial data parsing module all are connected to the serial data transceiver module, described FXS virtual drive module, serial data transceiver module again with being connected of hardware.Above-mentioned each software module all is integrated in the described main control module of hardware, is used to control the operation of whole system.

Described call management module: the core that is all software modules, call manager receives all-calls message, and according to corresponding state machine indication, do corresponding action, comprise that message sink initialization (initiation message reception), state machine initialization, state machine import (call setup), state machine discharges (end of calling), state machine execution, message related to calls transmission, Debugging message demonstration, switch;

Described facsimile data processing module: the facsimile data processing is primarily aimed at the data that receive and will send and handles.The analysis frame type; Get the data of frame; The correctness of checking frame; Generate some frames;

The tissue of described facsimile data sending module: AT order; The framing of HDLC, separate frame;

Described serial data parsing module: the serial ports return information is resolved, and convert analysis result to message related to calls and send to " call management module " and handle, print " RING " as wireless serial, the calling of importing into is described, then send message to " call management module ";

Described serial data transceiver module: to a certain serial ports transmission data, from the storage of a certain serial ports reception data (supporting barrage reception and the overtime reception of unblock), transceive data, be used for analyzing fax AT command interaction process, locate some mistakes;

Described FXS virtual drive module: the virtual driving of FXS is the bridge of state machine action and different FXS hardware, after the upper strata encapsulates this driving, promptly can use as long as do some simple initialization operations at different FXS hardware.Comprise that FXS off-hook, onhook event Processing Interface, FXS DTMF event handling interface, (stopping) sending ring (FSK), (stopping) sending dialing tone, (stopping) sending busy tone, (stopping) sending howler tone, (stopping) sending wrong sound, (stopping) sending prompt tone, configuration (signalling frequency, rhythm, voltage to FXS to FXS to FXS to FXS to FXS to FXS; Sound stream frequency, rhythm, voltage), can meet the standard of country variant.

Operation principle of the present utility model is as follows:

Stream data specification:

Steps A 1, process of transmitting: the facsimile data of the local facsimile machine of coming from the RJ11 interface is a level signal, at first level signal is converted to the analogue simulation data to adjusting demodulator (MODEM module) by described DAA data communication equipment; The MODEM module becomes the analogue simulation demodulated data signal MODEM serial communication digital fax data again, gives described main control module by serial ports again; The serial ports facsimile data that described main control module is brought the MODEM module is transmitted to wireless MODULE by serial ports, and wireless MODULE becomes wireless signal to send to the far-end facsimile machine this MODEM serial communication digital fax data-modulated again;

Steps A 2, receiving course: at first wireless MODULE receives the wireless signal of far-end facsimile machine, and will be demodulated to MODEM serial communication digital fax data from the wireless signal that the far-end facsimile machine receives and give described main control module by serial ports, described main control module is transmitted to the MODEM module by serial ports again; The MODEM module switches to the analogue simulation data-signal with MODEM serial communication digital fax data again and passes to described DAA data communication equipment, and last described DAA data communication equipment is converted to level signal with this analogue simulation data-signal and sends local facsimile machine to by the RJ11 interface.

The voice flow explanation:

Step B1, process of transmitting: the voice signal of the local facsimile machine of coming from the RJ11 interface is the speech level signal, at first by described be the speech interface that voice analog signal sends wireless MODULE to the line interface controller with this speech level conversion of signals, wireless MODULE is modulated into wireless signal with this voice analog signal again and sends to the far-end facsimile machine;

Step B2, receiving course: at first wireless MODULE will be converted to voice analog signal from the wireless signal that the far-end facsimile machine receives, after send the described line interface controller of using to, describedly again this voice analog signal is converted to the speech level signal with the line interface controller and sends local facsimile machine to by the RJ11 interface.

This voice channel 2 and data channel 1 are carried out the detection that handoff procedure also is responsible for off-hook, on-hook, DTMF, busy tone simultaneously, and the transmission of ring, dialing tone, busy tone.And this transfer process provides feed by described with line interface controller (Slic) 21.

In sum, the utility model can realize that common G3 facsimile machine carries out fax sending and receiving by wireless network (wireless/GPRS or 3G/4G wireless network), makes the use of facsimile machine convenient flexibly.

Claims (2)

1. a conversion equipment of realizing wireless fax sending and receiving of fax machine is characterized in that: comprise the Cpld control module that a data flow path, voice flow passage and a pair of this voice channel and data channel are switched;

Described data flow path comprises that successively a DAA data communication equipment, that connects adjusts demodulator, a main control module, and a wireless MODULE who comprises antenna;

Described voice flow passage comprises a usefulness line interface controller and a voice handover module, describedly connects successively with line interface controller, a voice handover module and described wireless MODULE;

Described Cpld control module connects described voice handover module, main control module and wireless MODULE respectively.

2. the conversion equipment of realization wireless fax sending and receiving of fax machine according to claim 1, it is characterized in that: comprise that also one is used to connect the RJ11 interface of facsimile machine, this RJ11 interface respectively with the DAA data communication equipment of described data flow path and described voice flow passage use the line interface controller.

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