CN1630384A - Split mobile communication device - Google Patents
Split mobile communication device Download PDFInfo
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- CN1630384A CN1630384A CN 200310109493 CN200310109493A CN1630384A CN 1630384 A CN1630384 A CN 1630384A CN 200310109493 CN200310109493 CN 200310109493 CN 200310109493 A CN200310109493 A CN 200310109493A CN 1630384 A CN1630384 A CN 1630384A
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- 238000010295 mobile communication Methods 0.000 title description 8
- 238000004891 communication Methods 0.000 claims abstract description 127
- 238000001514 detection method Methods 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000284 resting effect Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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Abstract
This invention discloses a split-type communication device, which contains communication box and special intercom device wherein the communication box and intercom device are communicated by bluetooth mode by accessing communication box in internet. Said invention realizes convenient communication and reduces the damage of electromagnetic radiation to human body.
Description
Technical field
The present invention relates to a kind of separated mobile communication device.
Background technology
Existing mobile communication communication is to work with GPRS or CDMA mode basically, because GPRS or CDMA mobile phone be when conversation, antenna for mobile phone is close to brain, and high frequency electromagnetic radiation produces potential infringement to human body easily.Though the mobile phone of existing applying Bluetooth reduces the infringement of electromagnetic radiation to human body by the bluetooth headset during conversation at present, owing to wear the use habit that the bluetooth headset does not meet people, there are not keyboard and display screen simultaneously again, very inconvenient during actual the use.
Summary of the invention
The technical problem that the present invention solves provides a kind of electromagnetic radiation that effectively reduces, separated mobile communication device easy to use.
For solving the problems of the technologies described above, separated mobile communication device of the present invention comprises communication box and communication two parts, the radio-frequency module of GPRS or CDMA is arranged in the communication box, and has increased bluetooth module; Communication comprises keyboard, display screen, microphone, earphone and bluetooth module thereof; Communication box and communication are between the two by the bluetooth approach communication, and communication inserts wireless network by the communication box.
Because adopt said structure, communication is with the bluetooth approach communication, its transmitting power is extremely small, itself has keyboard, display screen, microphone, earphone again simultaneously, so reached the purpose of safe ready when using; The use habit that had both met people has realized flexibly, communication easily, has reduced the infringement of electromagnetic radiation to human body simultaneously again.
Description of drawings
Fig. 1 is a communication box system configuration schematic diagram of the present invention;
Fig. 2 is a bluetooth module interface connecting circuit schematic diagram of the present invention;
Fig. 3 is a voice module interface connecting circuit schematic diagram of the present invention;
Fig. 4 is a MCU module interface connecting circuit schematic diagram of the present invention;
Fig. 5 power module interface connecting circuit schematic diagram;
Fig. 6 is a personal call device structure chart of the present invention;
Fig. 7 is a MCU main program flow chart of the present invention;
Fig. 8 is that address card of the present invention detects the interrupt service subroutine flow chart;
Fig. 9 is a state-detection interrupt service subroutine flow chart of the present invention;
Figure 10 is a bluetooth module interrupt service subroutine flow chart of the present invention;
Figure 11 is the interface display figure after communication of the present invention and communication box connect;
Figure 12 is a practical application schematic diagram of the present invention.
Embodiment
Separated mobile communication device of the present invention is divided into communication box and personal call device two parts.Pass through the bluetooth approach communication between communication box and the communication, and insert wireless network, reach the purpose of safe ready when using by the communication box.
As shown in Figure 1, described communication box comprises: MCU module, address card, bluetooth module, voice Codec module and power module.The MCU module is carried out data and is transmitted between bluetooth module and address card, and the operation of control communication box.Address card inserts CDMA or GPRS network with the communication box.Bluetooth module connects personal call device or hand-held mobile communicating terminal equipment (hereinafter to be referred as the MSP main frame).Voice Codec module is carried out the conversion of analog voice signal and audio digital signals between address card and bluetooth module, thereby sets up the speech data passage.Power module comprises battery, charge management circuit, voltage conversion circuit etc., for each module in the communication box provides suitable power supply and battery is carried out Charge Management.
Described address card is a plug-in card independently, and it has the device number of self, so that the MCU module is used correct driver.This address card at any time can be inserted in the communication box by special-purpose 38 pin connectors and use; Certainly, this address card also can be connected with the MSP main frame.It comprises a communication module, and this communication module is from the accurate UART mouth of bidding, and is connected with an antenna.This address card can be divided into two classes, and communication module is a CDMA 1X function address card by deck and UIM card connection, and what be connected with SIM card is GPRS function address card.The detailed structure of this address card be called in the applicant's name " be used for the hand-held mobile communicating terminal equipment address card (application number: 200320122281.5) " the utility application specification made detailed description.
Described bluetooth module makes the communication box have closely bluetooth communication function, can carry out data communication with personal call device or MSP main frame, also can realize dialing and voice call service with the personal call device.This bluetooth module is made up of coupled Bluetooth antenna, and the SiW3000 that adopts Silicon Wave is as central processor CPU.It also comprises following device: memory, buffer, analog switch, electrostatic protector, crystal oscillator, board to board connector, intelligent deck and radome.
Bluetooth module is connected with MCU and voice Codec module by interface, and external interface is 14 holding wires, and its interface definition is as follows: (referring to the interface of the BT CONNECTOR among Fig. 2)
| ????1 | 32kHz | The 32Khz crystal oscillator |
| ????2 | GND | Signal ground |
| ????3 | BT_RESET | Bluetooth module resets |
| ????4 | BT_PCMIN | The PCM signal |
| ????5 | BT_PCMOUT | |
| ????6 | BT_PCMSYNC | |
| ????7 | BT_PCMCLK | |
| ????8 | BT_TXD | The RS232 signal |
| ????9 | BT_RXD | |
| ????10 | BT_RTS | |
| ????11 | BT_CTS | |
| ????12 | BT_EXT_WAKE | Host wakes bluetooth module up |
| ????13 | BT_HOST_WAKEUP | Bluetooth module wakes Host up |
| ????14 | VCC | 3.3V power supply input |
Because bluetooth module can only be received and dispatched the voice signal that has carried out pcm encoder, and address card can only transmit analog voice signal, so the present invention is provided with a voice Codec module, it is the voice channel that connects bluetooth module and address card.
These voice Codec module is sent to address card after the pcm encoder conversion of signals of bluetooth module is become simulated audio signal, is sent to bluetooth module after perhaps the analog voice signal of address card being converted to the voice signal that pcm encoder crosses.
As shown in Figure 3, voice Codec module adopts the TLV320AIC1110 of TI company as master chip, and this module external interface is 14 holding wires, and its interface definition is as follows:
| ????1 | GND | Signal ground |
| ????2 | SCL | ????I 2C interface |
| ????3 | SDA | |
| ????4 | BT_PCMIN | Pcm interface |
| ????5 | BT_PCMOUT | |
| ????6 | BT_PCMSYNC | |
| ????7 | BT_PCMCLK | |
| ????8 | MIC1P | Binary channels MIC just |
| ????9 | MIC1N | Binary channels MIC is negative |
| ????10 | MIC2P | Single channel MIC |
| ????11 | EAR10_N | The binary channels earphone is born voice-grade channel |
| ????12 | EAR10_P | The positive voice-grade channel of binary channels earphone |
| ????13 | EAR20 | No. 2 earpiece audio output channels |
| ????14 | VCC | 3.3V power supply input |
The I that constitutes of 2, No. 3 pins wherein
2The C bus receives the control signal from communication box MCU module.The 4th pin to the 7 pin are the digital speech channel interface, connect bluetooth module.The 8th pin to the 13 pin connect address card for the analog voice channel interface.
Described MCU module is mainly used to connect the data channel of address card and bluetooth module, carries out protocol conversion and data forwarding between them, and controls the operation of whole communication box.
As shown in Figure 4, the microprocessor U3 of MCU module adopts the MSP430F147 microprocessor of Texas Instruments, and operating frequency is 8MHz, 16 bit data bus, inner 32 bit address buses, built-in 32KB Flash and 1KB RAM can satisfy the program space and service data space thereof.Its peripheral interface comprises two UART serial ports, is respectively applied for to connect address card and bluetooth module; Other has 48 GPIO mouths, is used for the operation that state shows and control voice Codec module.
This MCU module is programmed, and can discern and drive all kinds of address cards; The hot plug of control address card; Upgrade address card driver with bluetooth approach from the MSP main frame by bluetooth module; Control communication dialing; Drive bluetooth module; The operating state of control bluetooth module and address card; Data transmit between control bluetooth module and the address card; Realize the uniqueness pairing between communication box and the personal call device; Voice Codec module is carried out initialization; Communication state and power supply status indication.
Described MCU module external interface signal has 19, and pin definitions and concrete connected mode are as follows:
| ????1 | ????GND | Signal ground |
| ????2 | ????SCL | The I that connects voice Codec chip 2C interface |
| ????3 | ????SDA | |
| ????4 | ????COM_DCD | Connect the serial ports of address card |
| ????5 | ????COM_CTS | |
| ????6 | ????COM_DTR | |
| ????7 | ????COM_RTS | |
| ????8 | ????COM_RI | |
| ????9 | ????COM_RXD | |
| ????10 | ????COM_TXD | |
| ????11 | ????BT_TXD | Connect the bluetooth module serial ports |
| ????12 | ????BT_RXD | |
| ????13 | ????BT_RTS | |
| ????14 | ????BT_CTS | |
| ????15 | ????ST_GREEN | Connect status indicator lamp, voltage is normal and communication is normal, the output pulse; Voltage is normal but communication is undesired, the output high level; Other situation output low levels |
| ????16 | ????ST_RED | Connect status indicator lamp, voltage is undesired but communication is normal, the output pulse; Voltage is undesired and communication is undesired, the output high level; Other situation output low levels |
| ????17 | ???? | 1 button, sign identity when being used for matching with the MSP main frame |
| ????18 | ????BATT_SENSE | Cell voltage 3.7V detects |
| ????19 | ????VCC | 3.3V power supply input |
Described power module comprises battery, charge management circuit, voltage conversion circuit and electric weight testing circuit; For each module in the communication box provides different power supplys, the control mains switch.
For guaranteeing communication box operate as normal, must guarantee that the power supply of communication box is stable.The electric weight testing circuit detects supplying cell work at present magnitude of voltage, and data are offered the MCU module, carries out voltage control by the MCU module.Because the powered battery maximum voltage is 4.2V, charger supply power voltage is 5.2V, so need to convert multiple-way supply voltages such as 3.3V, 4V to satisfy communication box power supply needs through the DC-DC voltage conversion circuit.
As shown in Figure 5, the charging management chip U6 of power module adopts the BQ24010 of TI company, and voltage transformation chip U8 adopts TPS60500, and power module interface connecting circuit schematic diagram as shown in Figure 5.This module external interface signal has 5, is defined as follows:
| ????1 | GND | Power supply ground |
| ????2 | V4 | 4V power supply output (directly from battery output) |
| ????3 | VCC | 3.3V power supply output |
| ????4 | BATT_SENSE | Cell voltage 3.7V detects |
| ????5 | DC_IN | 5.2V charging voltage input |
As shown in Figure 6, the personal call device is made up of following device: CPU, LED chromatic liquid crystal screen, PCM encoder, memory, voltage detection module, DC-DC administration module, charge management module, bluetooth module, buzzer, microphone, connector, direct current earphone socket.
CPU connects bluetooth module by GPIO control switch machine button, charge management module, DC-DC administration module, voltage detection module, mains switch, buzzer, vibrator, keyboard and buzzer by the UART serial ports.Described CPU selects the MC68VZ328144PBGA chip for use, and this CPU connects flash memory and the single chip integrated chip of SRAM: MB84VD22388EJ by data address bus; Connecting resolution by data address bus is 128*160, the chromatic liquid crystal screen that the 256K look is 1.8 inches; Connect bluetooth module by the UART serial ports, this bluetooth module is joined the EEPROM of a slice master control bluetooth CPUSIW3000 and a slice 2KB in addition, and connects microphone and earphone by the PCM codec; This communication external interface has only the DC-IN interface of mains charger; The communication battery capacity is 3.7V/550mAh.
The incident that described communication box need be handled can be divided into 7 classes generally.
System power-up and initialization: comprising: system power-on reset; Initialization MCU inside modules register; Initialization voice Codec module; Detect the address card state, and the state of activation flow for displaying; MCU enters resting state, waits for that other incidents wake up.
Address card inserts: comprising: wake the MCU module up; MCU module inquiry address card device number; Whether the driving of checking address card exists, if there is no, and to MSP host request and newer driver more; Upgrade the address card state; The MCU module enters resting state, waits for that other incidents wake up.
Address card is extracted: comprising: wake the MCU module up; Upgrade the address card state; The MCU module enters resting state, waits for that other incidents wake up.
Personal call device Outgoing Call is to GPRS network or cdma network: comprising: wake the MCU module up; Receive the bluetooth module dial data; The dialing communication card; Set up voice channel; The MCU module enters resting state, waits for that other incidents wake up.
Dial in phone to communication from GPRS network or cdma network: comprising: wake the MCU module up; Read calling number from address card; By bluetooth module to the order of communication Sending dialled number; Set up voice channel; The MCU module enters resting state, waits for that other incidents wake up.
Note inserts: comprising: wake the MCU module up; From the address card short message reading, and send to communication by bluetooth module; The MCU module enters resting state, waits for that other incidents wake up.
Battery electric quantity is realized by voltage detecting circuit, is divided into 3 grades: normal (4.2～3.7V), on the low side (3.7～3.4V), ultralow (3.4V is following).When cell voltage is ultralow, send information such as " battery electric quantity are ultralow, shuts down " to communication, the shutdown system power supply, the MCU module resets.Other situations are then indicated by status indicator lamp respectively.
All incidents that the communication box need be handled are by the control program control of MCU module.For reducing system power dissipation, all programs adopt down trigger mechanism as far as possible.Main program in the MCU module, address card detect interrupt service routine, state-detection interrupt service routine, bluetooth module interrupt service routine control flow chart shown in Fig. 7～10, do not repeat them here.
Mode with bluetooth communication between communication box of the present invention and the personal call device is carried out transfer of data, the transmission data are divided 3 types, it carries out following data protocol: after communication box and personal call device connected, it finished relevant various operations to transmit various data between the two.Distinguish the operation of communication network gateway, the box-like attitude of communication, the switching on and shutting down of communication box according to the packet header of data.This agreement is a data agreement of formulating on valid data, by distinguishing various operations between communication box and the personal call device at the data packet head that adds a BYTE on the valid data.
Certainly, described communication also can be used in combination with the MSP main frame, and voice and short message service are provided in certain distance.
The mode of operation of separated mobile communication device of the present invention is described below.
Open the communication box
If communication box and personal call device are within the effective communication context, and communication box power supply opens, and then the user can select to activate the order of communication box by the menu on the personal call device.At this moment, the personal call device is connected with the communication box, and sends the instruction of activation address card to the communication box.The communication box is opened address card power supply (if address card existence) after receiving this instruction, be connected to wireless communication networks.
After described communication and communication box are set up and be connected, and have communication network to use in the communication box, its interface display as shown in figure 11.
The connection status icon in [Status icons] district on the screen
Show current connection status and the connecting object of communication, communication is to link to each other with the communication box or communication is to link to each other with the MSP main frame.The user behind this icon, pins [talk key] on the communication after choosing, then can show the details of connection status.
But the no communication network time spent in the communication box (comprise no address card or do not have UIM/SIM card etc.) does not have " CHINAUNICOM " printed words of etc.ing in the interface then shown in Figure 11, and the no network of demonstration, does not have address card or do not have information such as UIM/SIM card.
The closed communication box
If the address card on the communication box is unlocked on the personal call device, then the user can send the instruction of closed communication card to the communication box on this communication.The communication box cuts off address card part power supply, and closes the correlation function module after receiving the instruction of closed communication card.Described communication is receiving on the communication box after the buttoned-up state feedback information of address card, also being connected automatic disconnection and communication box.But this instruction is the complete machine power supply of closed communication box really.
As shown in figure 12, the present invention is aspect voice service, and voice send to the communication box through described communication when sending signal, and then externally send by the address card on the communication box; Carry out received signal by the address card on the communication box during reception, and then signal is sent to the personal call device by the communication box.Aspect short message service, can make by described communication and the pairing of communication box to be used for realizing.
Claims (5)
1. a split-type communication device is characterized in that: comprise communication box and personal call device two parts, pass through the bluetooth approach communication between communication box and the communication, and insert wireless network by the communication box.
2. split-type communication device as claimed in claim 1, it is characterized in that: described communication box comprises: MCU module, address card, bluetooth module, voice Codec module and power module, the MCU module is carried out data and is transmitted between bluetooth module and address card, and the operation of control communication box; Address card inserts CDMA or GPRS network with the communication box; Bluetooth module connects personal call device or MSP main frame, and is connected with MCU and voice Codec module by interface; Voice Codec module is set up the speech data passage between address card and bluetooth module; Power module provides power supply for each module in the communication box.
3. split-type communication device as claimed in claim 1, it is characterized in that: the personal call device comprises CPU, and this CPU is by GPIO control switch machine button, charge management module, DC-DC administration module, voltage detection module, mains switch, buzzer, vibrator, keyboard, audio frequency control and bluetooth module; Described CPU connects flash memory and the single chip integrated chip of SRAM by data address bus; Connect chromatic liquid crystal screen by data address bus; Connect bluetooth module by the UART serial ports, this bluetooth module is joined the EEPROM of a slice 2KB in addition, and connects microphone and earphone by the PCM codec.
4. split-type communication device as claimed in claim 1, it is characterized in that: carry out following data protocol between communication box and the personal call device: after communication box and personal call device connected, it finished relevant various operations to transmit various data between the two; Distinguish the operation of communication network gateway, the box-like attitude of communication, the switching on and shutting down of communication box according to the packet header of data.
5. split-type communication device as claimed in claim 1 is characterized in that: described MCU module is programmed, and can discern and drive all kinds of address cards; The hot plug of control address card; Upgrade address card driver with bluetooth approach from the MSP main frame by bluetooth module; Control communication dialing; Drive bluetooth module; The operating state of control bluetooth module and address card; Data transmit between control bluetooth module and the address card; Realize the uniqueness pairing between communication box and the personal call device; Voice Codec module is carried out initialization; Communication state and power supply status indication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310109493 CN1630384A (en) | 2003-12-17 | 2003-12-17 | Split mobile communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310109493 CN1630384A (en) | 2003-12-17 | 2003-12-17 | Split mobile communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1630384A true CN1630384A (en) | 2005-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310109493 Pending CN1630384A (en) | 2003-12-17 | 2003-12-17 | Split mobile communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1630384A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215601A (en) * | 2010-10-12 | 2011-10-12 | 任少华 | Wireless terminal relay device |
| CN103530159A (en) * | 2013-10-21 | 2014-01-22 | 深圳市中兴物联科技有限公司 | Upgrading method and system of wireless communication module |
| WO2015085478A1 (en) * | 2013-12-10 | 2015-06-18 | 恩平市西特尔电子科技有限公司 | Wireless microphone with low power consumption |
-
2003
- 2003-12-17 CN CN 200310109493 patent/CN1630384A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215601A (en) * | 2010-10-12 | 2011-10-12 | 任少华 | Wireless terminal relay device |
| CN103530159A (en) * | 2013-10-21 | 2014-01-22 | 深圳市中兴物联科技有限公司 | Upgrading method and system of wireless communication module |
| WO2015085478A1 (en) * | 2013-12-10 | 2015-06-18 | 恩平市西特尔电子科技有限公司 | Wireless microphone with low power consumption |
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