CN2647670Y - Vehicular communication platform - Google Patents
Vehicular communication platform Download PDFInfo
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- CN2647670Y CN2647670Y CN 03266605 CN03266605U CN2647670Y CN 2647670 Y CN2647670 Y CN 2647670Y CN 03266605 CN03266605 CN 03266605 CN 03266605 U CN03266605 U CN 03266605U CN 2647670 Y CN2647670 Y CN 2647670Y
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Abstract
The utility model discloses a vehicular communication platform comprising a shell, a keyboard, a display and a control circuit arranged inside the shell; wherein the shell is provided with a fax port and a telephone port. The control circuit is composed of an integrated control module, an EMODEM module, a GSM module and a port circuit; the integrated control module is connected with the GSM module, the port circuit and the EMODEM module. Moreover, the port circuit is connected with the telephone port and the fax port, and the fax and the telephone signals are sent and received through the GSM module and the EMODEM module. The GPS module can carry satellite positioning. The utility model integrates the GPS system and the global digital mobile communication system, and has the functions of navigation, telephone, fax, short messages and computer communication. The utility model has the advantages of simple structure, high system integration and good reliability.
Description
Technical field
The utility model relates to a kind of mobile unit that is used for self-propelled vehicle, especially a kind of vehicle-carrying communication platform.
Technical background
Be used to the facility dispatching, locate and communicate by letter on the vehicle, its function just is gradually improved at present, has extensively quoted GPS (Global Position System) (being called for short GPS) on the present vehicle, to realize location, the navigation feature to vehicle.And because global digital mobile cellular telecommunication (being called for short GSM) system can provide multiple telecommunications service, comprise voice, text, image, fax, computer documents, message etc., and it has spectral efficient, safety and good stability, the integrated level height, wide coverage realizes characteristics such as connection to global networks easily, therefore also more and more is applied to scheduling, the communications field of vehicle.But more existing vehicle mounted communication equipment often exist shortcoming such as function singleness, communication efficiency is poor, level of integrated system is low, therefore can not make things convenient for user's use.
The utility model content
The purpose of this utility model is: at the deficiencies in the prior art, provide a kind of GPS (Global Position System), global digital mobile communication system of integrating, the vehicle-carrying communication platform with functions such as satellite navigation, phone, fax, note, computing machine communications.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: comprise shell, keyboard, telltale and be arranged at control circuit in the shell, described shell is provided with facsimile interface and telephony interface, described control circuit comprises integrated control module, EMODEM (embedded modem) module, gsm module and interface circuit, described integrated control module connects gsm module, interface circuit and EMODEM module, described interface circuit connects telephony interface and facsimile interface, and receives and send the signal of fax and phone by gsm module and EMODEM module.
Described interface circuit can comprise that 2/4 line separates, signal tone produces circuit, ringing-current, feed, circuit driving, multiple connection, plucks/on-hook detection and control unit; described 2/4 line separates and connects gsm module; described multiple connection is divided into two-way; and connect two wires phone and two wires fax by overvoltage protection respectively; described circuit drives and connects ringing-current, feed, the separation of 2/4 line, multiple connection; described control unit is arranged in the integrated control module, with the mode of operation of control each several part.
Control circuit can also comprise power module, MCU (microcontroller Micro ControlUnit) module, EEPROM (Electrically Erasable Read Only Memory Electric ErasableProgrammable Read Only Memory) module, RAM (random access memory Random Access Memory) module, Flash ROM (non-volatile programmable memory) module, GPS module and computing machine communication interface, described MCU module links to each other with integrated control module, also connects the EEPROM module simultaneously; Described integrated control module connects RAM module, Flash ROM module, GPS module and keyboard and telltale respectively.
Described computing machine communication interface can comprise monitor-interface, USB interface and RS232 data-interface, and wherein the RS232 data-interface connects integrated control module, and monitor-interface then is connected with the MCU module with USB interface.
Described integrated control module can be electrically connected by FPGA (field programmable gate array FieldProgramable Gate Array) element U15 and peripheral component thereof and form, and wherein the model of FPGA element U15 is EP1K30OC208.
Described interface circuit can be made of SLIC U17 and peripheral component thereof, the RX end of described SLIC U17 is connected gsm module respectively with the TX end, its 42 pin and 36 pin receive the facsimile signal from facsimile interface J15, and its 41 and 37 pin receives the telephone signal from telephony interface J19.
Described gsm module can be made of GSM elements T C35, SIM (subscriber identification module Subscriber identigication Module) card socket J12, discharge circuit and peripheral component thereof, described GSM elements T C35 inserts on the pin J11,4 tunnel EPP1 end, the EPN1 that are connected respectively to GSM elements T C35 hold, MICP1 holds and the MICN1 end by being divided into behind the discharge circuit for the RX end of described SLIC U14 and TX end, described sim card socket J12 connects GSM elements T C35, and is used to insert SIM.
The model of described SLIC U14 can be STLC3065.
Owing to adopt technique scheme, the utility model is when adopting gps system to carry out global location and showing concrete orientation by telltale, can be connected with telephony interface, facsimile interface on the shell by gsm module and keyboard and carry out phone, fax, in addition owing to adopt the fpga chip and the SLIC of high integration, thereby simplified the design of circuit, guaranteed the stability of system.Therefore with respect to prior art, the utlity model has simple in structure, level of integrated system is high, good stability, functional characteristics such as strong.
Description of drawings
Accompanying drawing 1 is the functional-block diagram of the utility model vehicle-carrying communication flat-bed control circuit;
Accompanying drawing 2 is the functional-block diagram of the utility model vehicle-carrying communication flat-bed interface circuit;
Accompanying drawing 3 is the functional-block diagram of the utility model vehicle-carrying communication flat-bed fax sending and receiving;
Accompanying drawing 4 is the schematic circuit diagram of the utility model vehicle-carrying communication flat-bed integrated control module;
Accompanying drawing 6 is the schematic circuit diagram of the utility model vehicle-carrying communication flat-bed gsm module;
Accompanying drawing 7 is the schematic circuit diagram of the utility model vehicle-carrying communication flat-bed EMODEM module and phone, facsimile interface.
The specific embodiment
Below in conjunction with Figure of description and specific embodiment the utility model vehicle-carrying communication platform is described in further detail.
A kind of vehicle-carrying communication platform comprises shell, keyboard, telltale and is arranged at the interior control circuit of shell.With reference to the accompanying drawings 2, the utility model vehicle-carrying communication flat-bed control circuit is to be made of power module, MCU module, EEPROM module, RAM module, Flash ROM module, GPS module, integrated control module, EMODEM module, gsm module, telephony interface, facsimile apparatus interface, computing machine communication interface and interface circuit.
Described computing machine communication interface comprises monitor-interface, USB interface and RS232 data-interface, and wherein the RS232 data-interface connects integrated control module.
Described MCU module links to each other with integrated control module, also connects monitor-interface, EEPROM module and USB interface simultaneously; Described integrated control module connects RAM module, Flash ROM module, GPS module and keyboard and telltale respectively.Described integrated control module also connects gsm module, interface circuit and EMODEM module, and described interface circuit connects telephony interface and facsimile interface, and receives and send the signal of fax and phone by gsm module and EMODEM module.
Described integrated control module is to be electrically connected by FPGA element U15 and peripheral component thereof to form, and wherein the model of FPGA element U15 is EP1K30OC208.(as shown in Figure 5)
Wherein, the function of described power module is: input+12V vdc, generation+5V ,+3.3V and+the 2.5V vdc, the monitoring battery charge condition;
The function of described MCU module is: the control center of system monitors and controls the mode of operation of each module;
The function of described integrated control module is: the logic interfacing of system, dialling tone generation, universal asynchronous receiving-transmitting controller etc.;
The function of described EEPROM module is: preserve the configuration data of FPGA, and saved system parameter product ID, developer's title, software version number, daily entry, configuration parameter, etc.;
The function of described RAM module is: data are temporary;
The function of described Flash ROM module is: deposit 16 dot matrix Chinese character character libraries, manufacturer LOGO symbol, Chinese code invertion table etc.;
The function of described GPS module is: produce locating data;
The function of described gsm module is: connect the GSM network, transporting speech, data and facsimile service etc.;
The function of described EMODEM module is: the facsimile apparatus analog signal conversion becomes digital signal;
The function of described interface circuit is: provide analog telephone-the 48V feed, produce 2/4 line conversion, phone and the fax of ringing-current, analog telephone switching, pluck/on-hook detects, etc.
With reference to the accompanying drawings shown in 3; described interface circuit comprises that 2/4 line separates, signal tone produces circuit, ringing-current, feed, circuit driving, multiple connection, plucks/on-hook detection and control unit; described 2/4 line separates and connects gsm module; described multiple connection is divided into two-way; and connect two wires phone and two wires fax by overvoltage protection respectively; described circuit drives and connects ringing-current, feed, the separation of 2/4 line, multiple connection, and described control unit is arranged in the integrated control module, and the mode of operation of control each several part.
With reference to the accompanying drawings shown in 6, described interface circuit is to be that SLIC U17 and the peripheral component thereof of STLC3065 constitutes by model, described SLIC U17 the is integrated ringing-current of interface circuit, functions such as feed and 2/4 line conversion, its RX end is connected gsm module respectively with the TX end, its 42 pin is by resistance R 67, R71 and adaptor union J7 connect the CFAX_TIP end of facsimile interface J15, its 36 pin is by resistance R 68, R72 connects the CFAX_RING end of facsimile interface J15, its 41 pin is by resistance R 69, R73 connects the CTEL_TIP end of telephony interface J19, its 37 pin is by resistance R 70, R74 connects the CTEL_RING end of telephony interface J19, its control port 1～9 pin and 22 pin are connected respectively on the FPGA element U15, thereby it is worked under the control of FPGA.During work, the two wires telephone receiving that the user can be by inserting telephony interface J19 and calling.
With reference to the accompanying drawings shown in 6, described gsm module is made of GSM elements T C35, discharge circuit and peripheral component thereof, described GSM elements T C35 inserts on the pin J11, and 4 tunnel EPP1 end, the EPN1 that are connected respectively to GSM elements T C35 hold, MICP1 holds and the MICN1 end by being divided into behind the discharge circuit for the RX of described SLIC U17 end and TX end.Also be provided with SIM socket J12 in the described gsm module, described SIM is to be inserted among the SIM socket J12, and its CCRST end, CCIO end, CCLK end, CCVCC end are connected respectively on the corresponding end of GSM elements T C35.
With reference to the accompanying drawings 1,3,4 and accompanying drawing 7 shown in, described EMODEN module is to insert a slice embedded modem on interface J8 and J88, and 4～12 pin of J88 and 12 pin of J8 are corresponding respectively to be connected on the FPGA element U15, thereby be connected in the FPGA element U15 inner control Logic Interface Unit of integrated control module, facsimile apparatus links to each other with EMODEM by the control logic interface unit.With reference to the accompanying drawings 3, when sending a fax, the EMODEM analog signal of machine modulation of receiving faxes, and after converting digital signal to, outwards send by gsm module.When receiving fax, gsm module is received faxes and is converted to digital signal, be converted to analog facsimile signal by EMODEM after, deliver to the machine of receiving faxes.
Claims (8)
1, a kind of vehicle-carrying communication platform, comprise shell, keyboard, telltale and be arranged at the interior control circuit of shell, it is characterized in that: described shell is provided with facsimile interface and telephony interface, described control circuit comprises integrated control module, EMODEM module, gsm module and interface circuit, described integrated control module connects gsm module, interface circuit and EMODEM module, described interface circuit connects telephony interface and facsimile interface, and receives and send the signal of fax and phone by gsm module and EMODEM module.
2, state the vehicle-carrying communication platform as claim 1; it is characterized in that: described interface circuit comprises that 2/4 line separates, signal tone produces circuit, ringing-current, feed, circuit driving, multiple connection, plucks/on-hook detection and control unit; described 2/4 line separates and connects gsm module; described multiple connection is divided into two-way; and connect two wires phone and two wires fax by overvoltage protection respectively; described circuit drives and connects ringing-current, feed, the separation of 2/4 line, multiple connection; described control unit is arranged in the integrated control module, with the mode of operation of control each several part.
3, as vehicle-carrying communication platform as described in the claim 1,2, it is characterized in that: described control circuit also comprises power module, MCU module, EEPROM module, RAM module, FlashROM module, GPS module and computing machine communication interface, described MCU module links to each other with integrated control module, also connects the EEPROM module simultaneously; Described integrated control module connects RAM module, Flash ROM module, GPS module and keyboard and telltale respectively.
4, as vehicle-carrying communication platform as described in the claim 3, it is characterized in that: described computing machine communication interface comprises monitor-interface, USB interface and RS232 data-interface, wherein the RS232 data-interface connects integrated control module, and monitor-interface then is connected with the MCU module with USB interface.
5, as vehicle-carrying communication platform as described in the claim 4, it is characterized in that: described integrated control module is to be electrically connected by FPGA element (U15) and peripheral component thereof to form, and wherein the model of FPGA element (U15) is EP1K30OC208.
6, as vehicle-carrying communication platform as described in the claim 4, it is characterized in that: described interface circuit is to be made of SLIC (U17) and peripheral component thereof, (RX) end of described SLIC (U17) is connected gsm module respectively with (TX) end, its (42) pin and (36) pin receive the facsimile signal from facsimile interface (J15), and its (41) and (37) pin receive the telephone signal from telephony interface (J19).
7, as vehicle-carrying communication platform as described in the claim 6, it is characterized in that: described gsm module is made of GSM element (TC35), sim card socket (J12), discharge circuit and peripheral component thereof, described GSM element (TC35) inserts on the pin (J11), (RX) of described SLIC (U14) holds with (TX) holding by being divided into 4 tunnel (EPP1) end, (EPN1) end, (MICP1) that are connected respectively to GSM element (TC35) behind the discharge circuit and holds and (MICN1) hold, described sim card socket (J12) connects GSM element (TC35), and is used to insert SIM.
8, as vehicle-carrying communication platform as described in the claim 6, it is characterized in that: the model of described SLIC (U17) is STLC3065.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266605 CN2647670Y (en) | 2003-07-01 | 2003-07-01 | Vehicular communication platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03266605 CN2647670Y (en) | 2003-07-01 | 2003-07-01 | Vehicular communication platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2647670Y true CN2647670Y (en) | 2004-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03266605 Expired - Fee Related CN2647670Y (en) | 2003-07-01 | 2003-07-01 | Vehicular communication platform |
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| Country | Link |
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| CN (1) | CN2647670Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016952A (en) * | 2008-04-29 | 2011-04-13 | 通用汽车环球科技运作公司 | Dedicated short range communication (DSRC) sender validation using GPS precise positioning techniques |
| CN103010113A (en) * | 2012-12-28 | 2013-04-03 | 深圳市航盛电子股份有限公司 | Vehicle-mounted information entertainment system |
| CN103727943A (en) * | 2012-10-12 | 2014-04-16 | 成都众易通科技有限公司 | Low-power energy-saving GPS vehicle-mounted device |
| CN104598431A (en) * | 2014-12-19 | 2015-05-06 | 合肥彩象信息科技有限公司 | Remote positioning method based on FPGA |
| WO2018082105A1 (en) * | 2016-11-07 | 2018-05-11 | 华为技术有限公司 | Method and device for switching on-vehicle service using external sim card |
| CN108776645A (en) * | 2018-05-31 | 2018-11-09 | 李艳华 | A kind of Embedded Multi-task managing device |
-
2003
- 2003-07-01 CN CN 03266605 patent/CN2647670Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102016952A (en) * | 2008-04-29 | 2011-04-13 | 通用汽车环球科技运作公司 | Dedicated short range communication (DSRC) sender validation using GPS precise positioning techniques |
| CN103727943A (en) * | 2012-10-12 | 2014-04-16 | 成都众易通科技有限公司 | Low-power energy-saving GPS vehicle-mounted device |
| CN103010113A (en) * | 2012-12-28 | 2013-04-03 | 深圳市航盛电子股份有限公司 | Vehicle-mounted information entertainment system |
| CN104598431A (en) * | 2014-12-19 | 2015-05-06 | 合肥彩象信息科技有限公司 | Remote positioning method based on FPGA |
| WO2018082105A1 (en) * | 2016-11-07 | 2018-05-11 | 华为技术有限公司 | Method and device for switching on-vehicle service using external sim card |
| US11109205B2 (en) | 2016-11-07 | 2021-08-31 | Huawei Technologies Co., Ltd. | Method and apparatus for switching in-vehicle service by using external SIM card |
| CN108776645A (en) * | 2018-05-31 | 2018-11-09 | 李艳华 | A kind of Embedded Multi-task managing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |