CN2896702Y - Wakie-talkie with positioning function - Google Patents
Wakie-talkie with positioning function Download PDFInfo
- Publication number
- CN2896702Y CN2896702Y CNU2006200584668U CN200620058466U CN2896702Y CN 2896702 Y CN2896702 Y CN 2896702Y CN U2006200584668 U CNU2006200584668 U CN U2006200584668U CN 200620058466 U CN200620058466 U CN 200620058466U CN 2896702 Y CN2896702 Y CN 2896702Y
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- intercom
- radio frequency
- positioning function
- demodulator
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Abstract
The model utility discloses an interphone with orientation functions and comprises a RF unit including a receiving circuit and a transmitting circuit for communication of the interphone, a logic control unit connected with and a controlling RF unit, a power supply unit providing working power supply and extension ports connected with logic unit for extension of the interphone and the extension port is connected with GPS receiving module. With external GPS receiving module, The model utility resolve the issue that the interphone only achieve simple voice communications, with the satellite orientation of GPS information, users can determine where they are; with the wireless reproduction modem MSK MODE, users can send and receive short message and send the current location to other users, which is helpful for forest fire protection, outdoor emergency care and outdoor operations.
Description
Technical field
The utility model relates to a kind of intercom, is meant a kind of intercom with positioning function especially.
Background technology
Because intercom has following characteristics: 1, be not subjected to network limits, in the not yet covered with networks place of arriving, intercom can allow the user easily link up; 2, intercom provides one to one or the talking mode of one-to-many, and is simple to operate, and order is linked up freer; 3, the conversation cost is low, so people's out on tours, shopping, outdoor work, intervention schedule and collective's cooperative work etc. also use intercom more and more.But the intercom that existing market is sold can only be realized simple dial-up function, covers under the fairly perfect situation at mobile telephone network, and applying of intercom has been subjected to very big restriction; The place that needs to use intercom at forest fire protection, open-air rescue, outdoor work etc., because intercom does not possess positioning function and transmitting-receiving short message function, the user can't determine the geographical position of oneself, this is to quite inconvenience of field work, in order to remedy this defective, the user generally can be by the satellite fix instrument, but the satellite fix instrument of specialty costs an arm and a leg, and does not possess communication function.
The utility model content
Technical problem to be solved in the utility model provides position that a kind of cost is low, enforcement is convenient, reliability is high, can determine oneself and the intercom of receiving and dispatching the band positioning function of Chinese character SMS.
The utility model is achieved through the following technical solutions: design a kind of intercom with positioning function, comprise the radio frequency unit of realizing two or above intercom airtime communication, described radio frequency unit comprises receiving circuit and radiating circuit, be connected with radio frequency unit, it is controlled the logic control element of the row operation of going forward side by side, the power supply output unit of working power is provided for radio frequency unit and logic control element, also include the expansion interface that connects realization intercom extended capability with logic control element and radio frequency unit, on expansion interface, be connected with the GPS receiver module.
Described logic control element comprises processor MCU, the keyboard that connects with processor MCU, memory EEPROM, LCD, the wireless modulator-demodulator MSK MODE that duplicates, processor MCU connects with the GPS receiver module by expansion interface, and the wireless modulator-demodulator MSK MODE that duplicates connects with radio frequency unit.
Receiving circuit in the described radio frequency unit is made up of antenna ANT, duplexer ANTSW, radio frequency amplifier RF AMP, frequency mixer MIX, intermediate-frequency filter MCF, intermediate frequency process IC, audio frequency amplifier AF AMP and the loud speaker SP that order links; Radiating circuit is made up of order microphone MIC, the voice amplifier MIC AMP, phase-locked loop pll circuit, voltage controlled oscillator VCO, change over switch SW, emission amplifier TX AMP and power amplifier POWER AMP, duplexer ANTSW, the antenna ANT that link, and crystal oscillator X3, temperature compensating crystal oscillator TCXO provide local oscillation signal for intermediate frequency process IC and voltage controlled oscillator VCO.
The described wireless input of modulator-demodulator MSK MODE that duplicates connects with intermediate frequency process IC output in the receiving circuit, and the input of the voltage controlled oscillator VCO in its output and the radiating circuit connects.
Described voltage controlled oscillator VCO comprises the field effect transistor Q4 of oscillates effect, the source terminal of field effect transistor Q4 connects with change over switch SW by coupling capacitance C44, the gate terminal of field effect transistor Q4 and capacitor C 32, C34, C37, inductance L 8, the end of L11 connects, the other end of inductance L 8 connects with the other end of capacitor C 32 and the positive pole of variable capacitance diode D1, the negative pole of variable capacitance diode D1 connects with the negative pole of variable capacitance diode D2, the output of phase-locked loop pll circuit connects with the negative pole of variable capacitance diode D1 by inductance L 6, the other end of capacitor C 34 connects with the negative pole of variable capacitance diode D5, and the wireless modulator-demodulator MSK MODE that duplicates connects with variable capacitance diode D5 by resistance R 19.
Described intermediate frequency process IC comprises IC200 and peripheral circuit thereof, first intermediate-freuqncy signal after intermediate-frequency filter MCF handles links through the base stage of coupling capacitance C214 and resistance and transistor Q201, the collector electrode of transistor Q201 connects with 16 pin of IC200, connects with the wireless modulator-demodulator MSK MODE that duplicates from 9 pin of IC200.
The intercom of the utility model band positioning function by external GPS locating module, has solved intercom and can only realize simple voice call function, utilizes aerial satellite fix GPS locating information, makes the user can determine the position of oneself; By the wireless modulator-demodulator MSK MODE that duplicates, use can be received and dispatched note, and current position information is sent to other users in using, and in forest fire protection, good action is brought into play in open-air rescue in the outdoor work.
Description of drawings
Fig. 1 is the intercom logic control element functional-block diagram of the utility model band positioning function;
Fig. 2 is the intercom radio frequency unit functional-block diagram of the utility model band positioning function;
Fig. 3 is the intercom voltage controlled oscillator VCO circuit diagram of the utility model band positioning function;
Fig. 4 is the intercom intermediate frequency process IC circuit diagram of the utility model band positioning function;
Embodiment
Be elaborated below with reference to accompanying drawing:
As shown in Figure 1, the intercom logic control element functional-block diagram of the utility model band positioning function, comprise processor MCU, the keyboard that connects with processor MCU, memory EEPROM, lattice lcd display, the wireless modulator-demodulator MSK MODE that duplicates, processor MCU connects with the GPS receiver module by expansion interface, the wireless input of modulator-demodulator MSK MODE that duplicates connects with intermediate frequency process IC output in the receiving circuit, and the input of the voltage controlled oscillator VCO in its output and the radiating circuit connects.
As shown in Figure 2, the intercom radio frequency unit functional-block diagram of the utility model band positioning function, comprise receiving circuit and radiating circuit, described receiving circuit is made up of antenna ANT, duplexer ANTSW, radio frequency amplifier RF AMP, frequency mixer MIX, intermediate-frequency filter MCF, intermediate frequency process IC, audio frequency amplifier AF AMP and the loud speaker SP that order links; Radiating circuit is made up of order microphone MIC, the voice amplifier MIC AMP, phase-locked loop pll circuit, voltage controlled oscillator VCO, change over switch SW, emission amplifier TX tool AMP and power amplifier POWER AMP, duplexer ANTSW, the antenna ANT that link, and crystal oscillator X3, temperature compensating crystal oscillator TCXO provide local oscillation signal for intermediate frequency process IC and voltage controlled oscillator VCO.
As shown in Figure 3, the intercom voltage controlled oscillator VCO circuit diagram of the utility model band positioning function, the field effect transistor Q4 that comprises the oscillates effect, the source terminal of field effect transistor Q4 connects with change over switch SW by coupling capacitance C44, the gate terminal of field effect transistor Q4 and capacitor C 32, C34, C37, inductance L 8, the end of L11 connects, the other end of inductance L 8 connects with the other end of capacitor C 32 and the positive pole of variable capacitance diode D1, the negative pole of variable capacitance diode D1 connects with the negative pole of variable capacitance diode D2, the output of phase-locked loop pll circuit connects with the negative pole of variable capacitance diode D1 by inductance L 6, the other end of capacitor C 34 connects with the negative pole of variable capacitance diode D5, and the wireless modulator-demodulator MSK MODE that duplicates connects with variable capacitance diode D5 by resistance R 19.The wireless msk signal that duplicates modulator-demodulator MSK MODE output adds on the varactor D5 through resistance R 19, after modulating, control field effect transistor Q4 grid, the source terminal of field effect transistor Q4 connects with change over switch SW by coupling capacitance C44, finally radiate through power amplifier POWER AMP and antenna ANT.
As shown in Figure 4, the intercom intermediate frequency process IC circuit diagram of the utility model band positioning function, comprise IC200 and peripheral circuit thereof, first intermediate-freuqncy signal after intermediate-frequency filter MCF handles links with the base stage of transistor Q201 through coupling capacitance C214, resistance R 210, the collector electrode of transistor Q201 connects with 16 pin of IC200, and 9 pin of IC200 connect with the wireless modulator-demodulator MSK MODE that duplicates by resistance R 204, capacitor C 309.4 pin of IC200 connect with the power supply output unit by resistance R 200,7,8 pin of IC200 connect with capacitor C 205, C206, resistance R 206,10,11 pin of IC200 connect with resistance R 205, capacitor C 208 and inductance L 212, and 14 pin of IC200 connect with transistor Q200 by resistance R 207.The wireless modulator-demodulator MSK MODE that duplicates can carry out the modulation and demodulation processing to data, and the GPS locating information of reception or note data are modulated VCO in the MSK mode after treatment, through power amplifier and antenna emission; During reception, the msk signal that comes out from 9 pin of intercom intermediate frequency IC200 reverts to the treated device of available digital signal after treatment and drives liquid crystal display displays.
The intercom of the utility model band positioning function is by external GPS receiver module, receive aerial GPS locating information, after the microprocessor MCU inter-process that connects with the GPS receiver module, on lattice lcd display, show, the user just can recognize the geographical position of oneself like this. the locating information of receiving can be stored in the memory EEPROM simultaneously, just can receive and dispatch the GPS locating information through wireless modulation or demodulation of duplicating modulator-demodulator MSKMODE.The frequency discrimination signal of sending from intermediate frequency IC output is the MSK that contains short message, enter wireless duplicate modulator-demodulator MSK MODE demodulation after, treated device MCU handles the back and shows on lattice lcd display, realizes receiving the function of note.Satellite fix information is after voltage controlled oscillator VCO and phase-locked loop pll processing of circuit, deliver to change over switch SW from the MOD end, deliver to emission amplifier TX AMP and power amplifier POWER AMP, duplexer ANTSW, antenna ANT outwards launch by change over switch SW, finish the note emission.
Send common Chinese information, its course of work is as follows respectively: by keyboard operation input Chinese character stroke, the interior word information that is stored in the memory EEPROM is accessed, after microprocessor MCU inter-process, the signal that will be contained Chinese content information by radiating circuit is transmitted to other intercoms user.
The user can preserve useful GPS locating information or Chinese short message breath, its process is:, be stored in the memory EEPROM that connects with microprocessor MCU after the microprocessor MCU inter-process through connecting with keyboard by the selected GPS locating information that will preserve of keyboard or Chinese short message breath.
The utility model power supply output is existing mature technology, is not main points of the present utility model, is not described in detail in this.
Claims (6)
1. intercom with positioning function comprises:
Realize the radio frequency unit of intercom airtime communication, described radio frequency unit comprises receiving circuit and radiating circuit,
Be connected with radio frequency unit, to its logic control element of controlling,
For radio frequency unit and logic control element provide the power supply output unit of working power,
It is characterized in that also including the expansion interface that connects realization intercom extended capability with logic control element and radio frequency unit, on expansion interface, be connected with the GPS receiver module.
2. the intercom of band positioning function according to claim 1, it is characterized in that described logic control element comprises processor MCU, the keyboard that connects with processor MCU, memory EEPROM, LCD, the wireless modulator-demodulator MSK MODE that duplicates, processor MCU connects with the GPS receiver module by expansion interface, and the wireless modulator-demodulator MSK MODE that duplicates connects with radio frequency unit.
3. the intercom of band positioning function according to claim 2 is characterized in that the receiving circuit in the described radio frequency unit is made up of antenna ANT, duplexer ANTSW, radio frequency amplifier RFAMP, frequency mixer MIX, intermediate-frequency filter MCF, intermediate frequency process IC, audio frequency amplifier AF AMP and the loud speaker SP that order links; Radiating circuit is made up of order microphone MIC, the voice amplifier MIC AMP, phase-locked loop pll circuit, voltage controlled oscillator VCO, change over switch SW, emission amplifier TX AMP and power amplifier POWER AMP, duplexer ANTSW, the antenna ANT that link, and crystal oscillator X3, temperature compensating crystal oscillator TCXO provide local oscillation signal for intermediate frequency process IC and voltage controlled oscillator VCO.
4. the intercom of band positioning function according to claim 3, it is characterized in that the described wireless input of modulator-demodulator MSK MODE that duplicates connects with intermediate frequency process IC output in the receiving circuit, the input of the voltage controlled oscillator VCO in its output and the radiating circuit connects.
5. the intercom of band positioning function according to claim 4, it is characterized in that described voltage controlled oscillator VCO comprises the field effect transistor Q4 of oscillates effect, the source terminal of field effect transistor Q4 connects with change over switch SW by coupling capacitance C44, the gate terminal of field effect transistor Q4 and capacitor C 32, C34, C37, inductance L 8, the end of L11 connects, the other end of inductance L 8 connects with the other end of capacitor C 32 and the positive pole of variable capacitance diode D1, the negative pole of variable capacitance diode D1 connects with the negative pole of variable capacitance diode D2, the output of phase-locked loop pll circuit connects with the negative pole of variable capacitance diode D1 by inductance L 6, the other end of capacitor C 34 connects with the negative pole of variable capacitance diode D5, and the wireless modulator-demodulator MSK MODE that duplicates connects with variable capacitance diode D5 by resistance R 19.
6. the intercom of band positioning function according to claim 3, it is characterized in that described intermediate frequency process IC comprises IC200 and peripheral circuit thereof, first intermediate-freuqncy signal after intermediate-frequency filter MCF handles links through the base stage of coupling capacitance C214 and resistance and transistor Q201, the collector electrode of transistor Q201 connects with 16 pin of IC200, connects with the wireless modulator-demodulator MSK MODE that duplicates from 9 pin of IC200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200584668U CN2896702Y (en) | 2006-04-27 | 2006-04-27 | Wakie-talkie with positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200584668U CN2896702Y (en) | 2006-04-27 | 2006-04-27 | Wakie-talkie with positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2896702Y true CN2896702Y (en) | 2007-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200584668U Expired - Fee Related CN2896702Y (en) | 2006-04-27 | 2006-04-27 | Wakie-talkie with positioning function |
Country Status (1)
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| CN (1) | CN2896702Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489179A (en) * | 2008-01-17 | 2009-07-22 | 日电（中国）有限公司 | Position reporting method and system, master and slave apparatus |
| CN101938687A (en) * | 2009-07-01 | 2011-01-05 | 北京神州天鸿科技有限公司 | Beidou communication terminal equipment with wireless communication function and method thereof |
| CN101383983B (en) * | 2007-09-04 | 2011-11-09 | 英华达（南京）科技有限公司 | Positioning method and system |
| CN103313146A (en) * | 2012-03-15 | 2013-09-18 | 盟讯实业股份有限公司 | Interphone device with positioning function |
| CN104320518A (en) * | 2014-11-18 | 2015-01-28 | 成都博盛信息技术有限公司 | Monitoring interphone |
| CN107911634A (en) * | 2017-11-23 | 2018-04-13 | 上海精视信息技术有限责任公司 | A kind of Miniature portable high standard definition wireless encoding transmitter |
-
2006
- 2006-04-27 CN CNU2006200584668U patent/CN2896702Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383983B (en) * | 2007-09-04 | 2011-11-09 | 英华达（南京）科技有限公司 | Positioning method and system |
| CN101489179A (en) * | 2008-01-17 | 2009-07-22 | 日电（中国）有限公司 | Position reporting method and system, master and slave apparatus |
| CN101938687A (en) * | 2009-07-01 | 2011-01-05 | 北京神州天鸿科技有限公司 | Beidou communication terminal equipment with wireless communication function and method thereof |
| CN101938687B (en) * | 2009-07-01 | 2015-06-17 | 北京神州天鸿科技有限公司 | Beidou communication terminal equipment with wireless communication function and method thereof |
| CN103313146A (en) * | 2012-03-15 | 2013-09-18 | 盟讯实业股份有限公司 | Interphone device with positioning function |
| CN104320518A (en) * | 2014-11-18 | 2015-01-28 | 成都博盛信息技术有限公司 | Monitoring interphone |
| CN107911634A (en) * | 2017-11-23 | 2018-04-13 | 上海精视信息技术有限责任公司 | A kind of Miniature portable high standard definition wireless encoding transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 Termination date: 20140427 |