CN203984688U - Mobile terminal linking bluetooth PTT talkback unit - Google Patents

Mobile terminal linking bluetooth PTT talkback unit Download PDF

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Publication number
CN203984688U
CN203984688U CN201420152752.5U CN201420152752U CN203984688U CN 203984688 U CN203984688 U CN 203984688U CN 201420152752 U CN201420152752 U CN 201420152752U CN 203984688 U CN203984688 U CN 203984688U
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China
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bluetooth
ptt
module
interface
bluetooth equipment
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Expired - Fee Related
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CN201420152752.5U
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Chinese (zh)
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朱雄关
刘晓岩
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CHENGDU DAXINTONG TECHNOLOGY Co Ltd
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CHENGDU DAXINTONG TECHNOLOGY Co Ltd
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Abstract

The disclosed a kind of mobile terminal linking bluetooth PTT talkback unit of the utility model, aim to provide a kind of highly versatile, method of calling is flexible, can use any PTT mobile terminal to realize fast intercommunication, not rely on the long button of mobile terminal PTT, the controlled linking bluetooth PTT of confidentiality talkback unit.The utility model can be achieved by the following technical programs: bluetooth equipment 2 is provided with the PTT PTT button that is electrically connected to bluetooth module 2 by I/O mouth, and the audio frequency output module 2 of connecting interface 2; Audio frequency output module 2 and interior other device common source of bluetooth equipment 2; Audio frequency input module 1 on bluetooth equipment 1, audio frequency output module 1 connect bluetooth module 1 by change over switch 1; When bluetooth equipment 1 is used separately, bluetooth module 1 connects audio frequency input module 1 and the audio frequency output module 1 of bluetooth equipment 1, and when bluetooth equipment 1 is plugged on bluetooth equipment 2, bluetooth module 1 connects the audio frequency input 1 of bluetooth equipment 1 and the audio frequency output 2 of bluetooth equipment 2.The utility model adopts two bluetooth equipments, has facilitated confidentiality and the disguise of using the intercommunication of bluetooth earphone PTT cluster, has solved intercommunication terminal and has adopted customization machine pattern appearance element to be abandoned, and PTT key stature is large, the clumsy problem of PTT mobile terminal.

Description

Mobile terminal linking bluetooth PTT talkback unit
Technical field
The utility model relates to a kind of device that triggers the logical intercommunication function of a keyset group of realizing on a plurality of bluetooth equipments.Relate in particular to a kind of the need small-sized and medium-sized enterprise of frequent contact and the personal user that need to chat with friend and household, comprise: prison, medical first aid, the shockproof antiaircraft fire-fighting emergent of flood control, public security traffic, municipal administration's law enforcement, taxi, aviation, navigation, highway, railway, Guoan, electric power, oil, coal, fire-fighting, first aid, control flood, protect forest and prevent from fire, tourism etc. is linked with mobile terminal, the user of the group communication service based on wireless network.
Background technology
In the current information age, people always wish can converse immediately once pressing some keys, and unlike public's mobile phone, first dial 11 figure places, also to wait several seconds or longer time to converse, if meet the other side, conversing also do not know when can converse, no matter how anxious you have thing only patient etc.Along with the development of computer and the communication technology, at present domestic mobile public network (G* and CDMA) also provides PTT(PTT:Push to Talk for group user actively developing) business, at present, PTT mobile and UNICOM is in test phase now.PTT is the VoIP voice data packet technology being based upon on GPRS network basis, and PTT (PTT) function is a kind of mobile technology, can carry out rapidly " one to one " or " one-to-many " call, just as using intercommunication message register.But the mobile phone that must use built-in this function, regular handset cannot be used PTT function, but a part supports the mobile phone of high pass BREW can support PTT technology by software upgrading in the future.PTT is the mobile phone of " PoC ", has merged the function of mobile phone and intercom, its use be the network of mobile phone.PTT mobile phone is different with general intercom, and the one, intercom does not need by network, and the 2nd, and the intercom difference of can only closely conversing, PTT service can the sensible place that can cover to cell phone network, almost there is no the restriction of distance.And PTT service can carry out charging according to duration, period and flow, also can monthly payment, this depends on operator.Commercial precedent with high pass and the Nextel of CDMA operator in the U.S., adopts flat rate system, and expense is between 15-30 dollar.PTT mono-refers to a kind of mobile phone service by logical, utilizes PoC (the PoC:Push-to-Talk over Cellular) service of GPRS mobile phone to reach similar wireless telephonic communication modes.Have again digital cellular phone service, both can make a phone call, can press again certain key and realize group, individual call business, the today of accelerating in work rhythm, PTT is subject to people's favor really.But PTT is not logical once pressing, and it also needs connecting time, is called again the call delay time, and the difference of connecting time just has different PTT.Can use in China as intercom, but, need both sides' phone all will support the function of PTT, SIM card also will be opened POC function simultaneously, and generally each talk group can only a people be spoken simultaneously.
Bluetooth is the jumbo short-distance wireless communication standard of a kind of low cost.Bluetooth specification adopts microwave frequency band work, transmission rate 1M byte per second, and 10 meters of maximum transmission distances, can reach 100 meters by increasing transmitting power.Bluetooth technology is that the whole world is open, has in the world good compatibility, and the whole world can be connected by invisible bluetooth network cheaply.Bluetooth technology not only applies to computer, as various electronic equipments such as mobile phone, digital camera, video camera, printer, facsimile machine, household electrical appliances, can adopt Bluetooth technology, realize wireless communications, and needn't drag a tail (connecting line), the extensive use of Bluetooth technology will make our life incomparably light.
Intercom is a kind of wireless transmitting-receiving equipments that is widely used in all trades and professions such as hotel, public security, taxi, in the various operative scenario such as commander, communication, scheduling, has a wide range of applications.Intercom is different from plain old telephone, has following difference:
1. talking mode is different.Mobile phone is man-to-man call often; In intercom when call, is used group call pattern, and people a lot of people that speak listen; Can carry out rapidly " one to one " or " one-to-many " call, just as using intercommunication message register.
2. function key requires different.The Main Means that PTT key is called out as cluster intercommunication, therefore frequency of usage is high, under the field personnel operation of cold district need to be worn glove situation equally, uses, and requires that PTT key stature is large, good hand touch, the durable multiple characteristic that waits, requires difference to strengthen with regular handset button.
3. method of calling is different.From intercom can only closely converse different, mobile phone often with dialing mode make a call; Intercom need not dial, and uses PTT PTT key to call out;
4. volume requires different.Cluster intercom cellphone is usually used in field personnel operation, and environment is noisy, requires the output volume of intercom cellphone higher, and sound output is 2W at least.The power output of normal mobile phone is the highest also with regard to 1.6w.
5. profile and architectural difference are larger.The configuration design of mobile phone often be take attractive in appearance as main, and the little loudspeaker of power small size are selected in audio frequency output; And intercom is because the environment using is more noisy, so intercom often uses the high-power larger loudspeaker of volume to export as volume.Due to the two difference of using, cause the two in appearance design, to have different requirements.
Through development for many years, there are the problems such as backward in technique, function singleness in intercom, traditional intercom is replaced and certainly will become a kind of trend by Mobile phone talkback at present.Along with the lasting development of mobile intelligent terminal, intelligent movable operating system platform function is become stronger day by day, and the following business that can carry of mobile phone and function are more and more, carry traditional intercommunication business on mobile phone, and other abundant application is provided, bring new vitality will to intercommunication business.It is reported, mobile, UNICOM releases " PTT " intercommunication based on GPRS network to group user." PTT " this business is mainly released to group user, and such as restaurant, market, logistics, public security etc. has the industry of frequent call demand.Current, San great operator has all released public network group service, comprises the sky wing intercommunication QCHAT of telecommunications, and the collection news of the Mobile phone talkback POCHe CHINAUNICOM of China Mobile are logical.Its principle is, utilizes the data channel of the base station of public mobile network to transmit intercommunication information, and call mode and traditional intercommunication are similar, possess the group call ability of one-to-many.Through business development in a few years, the time delay of Push to talk over Cellular function POC business, lower than 1 second, approaches with traditional cluster intercommunication index, and therefore, POC business starts to step into the high speed development stage.Ptt function depends on the type of the data, services of sim card, network support and application.PTT " Mobile phone talkback " mobile phone of intercom function that has been exactly in fact integrated.User presses the intercommunication key on mobile phone, just can directly converse with group or individual Anywhere.Compare call scope and be confined to several kilometers with interior intercom, " PTT " mobile phone can use in CDMA1X or GPRS network coverage, has realized roaming that intercom cannot provide to the long-distance intercommunication function of making peace.Current PoC " mobile phone (PTT), merged the function of mobile phone and intercom, its use be the network of mobile phone.After mobile phone is opened PTT business, as long as click the corresponding button of mobile phone, just can realize the call of " one to one " or " one-to-many " with oneself mobile phone and selecteed cohort.Although technically, public mobile network has been realized the function of cluster intercommunication equally, and the concept of " PTT " is very practical, and a large problem of " PTT " GSM mobile handset of releasing is at present that user locates.If " PTT " prefers the high-end business people in position, in problems such as confidentiality, speech qualities, also has certain gap; If prefer a low side blue collar, the use habit that whether can cultivate is smoothly also a query.Because PTT is only a bond energy, speak, at aspects such as passive receipt message, transmission voice messagings, all need certain operation, need to pin PTT key during intercommunication always, ability intercommunication, can not loose one's grip.As the PTT service of the Nextel of U.S. CDMA operator, need owner to pin button and just can talk, and after loosing one's grip, the other side hears a sound of " ticking ", could talk.Secondly due to intercom in terminal with mobile phone in function and cannot unify in appearance.The Mobile phone talkback terminal of San great operator adopts the pattern of customization machine, has abandoned the characteristic of cell phone appearance fashion, mobile phone is merged to the feature of part intercom, realizes the requirement of intercom.But so, the appearance element of mobile phone fashion is abandoned, every money mobile phone all uses the mode of customization also to increase manufacturing cost simultaneously.
Technical standard between Ge Jia cell phone manufacturer is unified not to the utmost at present.After moving and all release PTT business respectively on its GPRS and cdma network with UNICOM future, " intercommunication " between Liang great operator different system will realize and interconnecting, and will have a technical difficult problem.Along with the development of smart mobile phone, people advocate convenient and fashion more for the use of mobile terminal, and traditional cluster and intercommunication terminal often exist and use volume large, carry the problems such as inconvenient.
Summary of the invention
The purpose of this utility model is for above-mentioned prior art Shortcomings part, provide a kind of highly versatile, method of calling flexible, can use any PTT mobile terminal to realize fast intercommunication function, meet public network intercommunication mobile terminal in cluster intercommunication service application, the mobile terminal linking bluetooth PTT talkback unit that the professional application such as do not rely on the long button of mobile terminal PTT, confidentiality is controlled, volume is controlled requires.
Above-mentioned purpose of the present utility model can obtain by following measures, a kind of mobile terminal linking bluetooth PTT talkback unit, comprise bluetooth equipment 1, the bluetooth equipment 2 that can simultaneously link mobile terminal and the power module that power supply is provided, it is characterized in that: bluetooth equipment 2 is provided with the PTT PTT button that is electrically connected to bluetooth module 2 by I/O mouth, and the audio frequency output module 2 of connecting interface 2; Audio frequency output module 2 and interior other device common source of bluetooth equipment 2; Audio frequency input module 1 on bluetooth equipment 1 directly connects on the audio input port of pulse code modulation pcm interface of bluetooth module 1, and audio frequency output module 1 connects by change over switch 1 on the audio output port of pulse code modulation pcm interface of bluetooth module 1; When bluetooth equipment 1 is used separately, audio frequency input module 1 and audio frequency output module 1 carry out the input and output of PTT PTT intercommunication audio frequency by the pulse code modulation pcm interface of bluetooth module 1; Trigger on bluetooth equipment 2 after PTT PTT key, by bluetooth module 2, inquire about or interrupt obtaining the information that PTT key is triggered, the logical mobile terminal with PTT function of bluetooth module 2 bluetooth chains, mobile terminal sends PTT call request to the online ptt server of Mobile data, to ptt server, send the audio-frequency information after coding, mobile terminal is transmitted to the PTT mobile terminal in PTT group by ptt server by the transmitting-receiving audio signal of bluetooth module 2.Mobile terminal receives after the PTT audio-frequency information of ptt server transmission, by passing through wireless blue tooth after audio decoder, audio-frequency information is sent to bluetooth equipment 1.
When bluetooth equipment 1 patches on bluetooth equipment 2 by hand, the interface 2 of bluetooth equipment 2 is connected with change over switch 1, the audio frequency output module 2 of bluetooth equipment 2 and the audio frequency input module of bluetooth equipment 11 are communicated with the pulse code modulation pcm interface of bluetooth module 1, by audio frequency input module 1 and audio frequency output module 2, carry out the input and output of the audio frequency of PTT PTT intercommunication.
Change over switch 1 on bluetooth equipment 1 and bluetooth equipment 2 and interface 2 can be USB interface or probe shape and socket.
The utility model is compared existing operating system following beneficial effect:
1) there is versatility, the utility model carries PTT mobile terminal by user and is transmitted to the PTT mobile terminal in PTT group, can and any mobile terminal with bluetooth be linked and realize the group communication that almost there is no distance limit between user group, make the common mobile terminal with bluetooth can not rely on the long button of mobile terminal PTT, depart from PTT mobile terminal and freely carry out the intercommunication of PTT cluster.
2) method of calling is flexible.When the utility model bluetooth equipment 1 is used separately, user can use bluetooth equipment 1 to carry out intercommunication; Bluetooth equipment 1 connects after bluetooth equipment 2, and user can use bluetooth equipment 2 to carry out intercommunication.The utility model adopts two bluetooth equipments, facilitated high-end business people to use confidentiality and the disguise of the intercommunication of bluetooth earphone PTT cluster, call out and select flexibly and easily, because two bluetooth equipment has been avoided PTT mobile terminal bluetooth, passage is occupied, the problem that bluetooth earphone cannot be used.Thisly can use bluetooth equipment 1 bluetooth earphone, select the multiple intercommunication mode of bluetooth equipment 2, meet the needs of different user intercommunication application and user at the concealed application requirements of special occasions.
3) volume is controlled.On a plurality of bluetooth equipments of the utility model, equip respectively the devices such as PTT PTT key and earphone, audio amplifier, can pass through built-in loudspeaker, arbitrarily improve or reduce volume, improve speech quality.Solved and be usually used in field personnel operation, environment is noisy, and cluster intercom cellphone volume output does not meet noisy environment, require intercom cellphone volume high field needs.Also solved Mobile phone talkback terminal and adopted customization machine pattern appearance element to be abandoned, PTT key stature is large, the clumsy problem of PTT mobile terminal simultaneously.For user is according to the aesthetic standard of oneself, select not the aesthetic selection space that provides of mobile terminal outward appearance in specie.
4) reduce the manufacturing cost of public network intercommunication terminal.The utility model can with the Bluetooth talkback device of any a plurality of bluetooth equipments that are linked with the mobile terminal of bluetooth, make mobile phone needn't meet the specific (special) requirements that intercom uses, just can realize the application of specialized intercommunication, exempt mobile phone that current use public mobile data network provides intercommunication function in the customization requirement adapting to aspect intercom characteristic, greatly reduced the cost of public network intercom cellphone development.
5) the utility model charges after the miscellaneous functions such as treasured, GPS by Computer Aided Design, can greatly make up regular handset in the defect of professional application, makes public network intercom cellphone better meet the specialized requirement of sector application.The elderly and the children that can meet children under guardianship use PTT mobile terminal to realize the group communication between user group, user only needs button to initiate call to individual or group, without dialing, communicate by letter quickly and easily with the integrated communication pattern of waiting for the other side's off-hook, Emergency Assistance, the business such as voice reminder, make guardian understand in time children under guardianship's movement track and the environment of an activation.The utility model utilizes Bluetooth technology to use a plurality of bluetooth equipments to take into account different users' use habit, can more conveniently command and dispatch, and meets people at the needs of the convenient and fashion of mobile communication.
Accompanying drawing explanation
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Fig. 1 is the utility model mobile terminal linking bluetooth PTT talkback unit circuit theory schematic diagram
Fig. 2 is the circuit theory schematic diagram that the utility model increases power amplifier.
Fig. 3 is the circuit theory schematic diagram that the utility model increases two PTT keys.
Fig. 4 is the circuit theory schematic diagram that the utility model increases information display screen.
Fig. 5 is the circuit theory schematic diagram that the utility model increases rechargeable battery.
Fig. 6 is the circuit theory schematic diagram that the utility model increases GPS.
Fig. 6 is the circuit theory schematic diagram that the utility model increases bluetooth GPS.
Fig. 7 is the circuit theory schematic diagram that the utility model increases traditional intercommunication module.
Embodiment
Embodiment 1
Consult Fig. 1.In most preferred embodiment described below, the system model of mobile terminal linking bluetooth PTT talkback unit, mainly comprises bluetooth equipment 1, the bluetooth equipment 2 that can simultaneously link mobile terminal and the power module that power supply is provided.Bluetooth equipment 2 is provided with the PTT PTT button that is electrically connected to bluetooth module 2 by I/O mouth, and the audio frequency output module 2 of connecting interface 2; Audio frequency output module 2 and interior other device common source of bluetooth equipment 2; The audio frequency output module 1 of bluetooth equipment 1 connects bluetooth module 1 by change over switch 1, and audio frequency input module is directly connected on bluetooth module 1.When bluetooth equipment 1 is used separately, change over switch 1 is connected to audio frequency input module 1 and audio frequency output module 1 on the pulse code modulation pcm interface of bluetooth module 1 of bluetooth equipment 1, by the audio frequency input module 1 on bluetooth equipment 1 and audio frequency output module 1, carries out the input and output of PTT PTT intercommunication audio frequency; When the artificial insertion bluetooth equipment 2 of bluetooth equipment 1, the interface 2 of bluetooth equipment 2 is connected with change over switch 1, change over switch 1 is communicated with the audio frequency output module on bluetooth equipment 22 on the pulse code modulation pcm interface of the bluetooth module 1 on bluetooth equipment 1, by audio frequency input module 1 on the audio frequency output module 2 on bluetooth equipment 2 and bluetooth equipment 1, carries out the input and output of the audio frequency of PTT PTT intercommunication.Change over switch 1 on bluetooth equipment 1 and bluetooth equipment 2 and interface 2 can be USB interface or probe shape connector and socket.
After on bluetooth equipment 2, PTT PTT key is triggered, the bluetooth module 2 on bluetooth equipment 2 is by inquiring about or interrupting obtaining the information that PTT key is triggered, and the bluetooth module 2 on bluetooth equipment 2 sends to mobile terminal the message that PTT key is triggered by wireless blue tooth; Mobile terminal receives after the message that PTT key is triggered, automatically opening PTT calls out, mobile terminal sends PTT call request to the online ptt server of Mobile data, mobile terminal is received after the information of the permission PTT calling that ptt server sends, mobile terminal receives the audio frequency input message of bluetooth module 1, after coding, to ptt server, sends the audio-frequency information after coding, ptt server receives after the PTT audio-frequency information of mobile terminal, and audio conversion is issued to other mobile terminal in PTT group.Mobile terminal receives after the PTT audio-frequency information of ptt server transmission, by passing through wireless blue tooth after audio decoder, information is sent to bluetooth equipment 1.
When bluetooth equipment 1 is used separately, user can use bluetooth equipment 1 to carry out intercommunication; Bluetooth equipment 1 manually connects after bluetooth equipment 2, and user can use bluetooth equipment 2 to carry out intercommunication.
Audio frequency input module comprises MIC at interior audio processing modules, and audio frequency output module comprises loudspeaker at interior audio processing modules.
Bluetooth module can be the independent general module that comprises MCU function or comprise the external member that Bluetooth chip, wireless transceiver and central controller MCU assembly form.
Mobile terminal comprises the mobile terminal of mobile module and conventional cluster intercommunication module.
The interface of the change over switch of bluetooth equipment 1 and bluetooth equipment 2 comprises USB interface or probe-type connector and socket.
The I/O mouth that PTT PTT key is connected with bluetooth module, can be in middle fracture, keyboard mouth, interface module or universaling I/O port at least one interface.Press PTT key, bluetooth module is by scanning or interrupting receiving corresponding information, and bluetooth module sends PTT key trigger message to mobile phone.
Interface module comprises analog interface, digital interface and three sub-blocks of man-machine interface:
(1) analog interface comprises; Phonetic entry/output interface; Radio frequency control interface.
(2) satellite interface; The collection of the analog quantity such as battery electric quantity, battery temperature.
(3) digital interface comprises; System interface; SIM card interface; Test interface; EEPROM interface; Memory interface; ROM interface is mainly used to connect stored program memory FLASHROM, common storage layer1 in FLASHROM, 2,3, the program of MMI and application layer.RAM interface is mainly used to connect the static RAM (SRAM) (SRAM) of storage temporal data.
Embodiment 2
Consult Fig. 2.In embodiment illustrated in fig. 2, according to embodiment 1, the audio frequency output module in bluetooth equipment 1 and bluetooth equipment 2 is by power amplifier module connecting interface and change over switch, and volume adjusting key is connected on the peripheral control circuit of power amplifier module.The multiple that volume adjusting key amplifies for regulating power, can meet the needs that user regulates volume.Due to cluster intercommunication terminal in actual use, need to face noisy environment, so volume is a very important index in cluster intercommunication terminal application.The present embodiment is electrically connected to power amplifier module at bluetooth module with audio frequency output module, uses power amplification, can increase the power of the audio frequency output of audio frequency output module, to meet volume cluster intercommunication clearly requirement in noisy environment.
Embodiment 3
Consult Fig. 3.In embodiment illustrated in fig. 2, according to embodiment 1, beyond bluetooth equipment 1 and bluetooth equipment 2, be provided with a portable PTT bluetooth equipment 3, bluetooth equipment 2 and bluetooth equipment 3 are equipped with triggering mobile terminals and initiate the PTT button that PTT calls out.Portable PTT bluetooth equipment 3 can be combined into light PTT call model with the bluetooth earphone of bluetooth equipment 1, without traditional mode, carries comparatively heavy mobile phone.
Embodiment 4
Consult Fig. 4.In the embodiment shown in fig. 4, for making cluster intercommunication terminal in actual use, show group information, make user understand the group name information of current calling.According to embodiment 1, on the central controller MCU of the bluetooth module 2 in bluetooth equipment 2, be also connected with information display module, information display module shows by the data of MCU mobile terminal receive wireless transmission.Due in cluster intercommunication application, people can be under the jurisdiction of a plurality of PTT group.The group belonging to when making more clear own current calling of user, it is a kind of demand of necessity that group's demonstration information is provided on bluetooth equipment.
Embodiment 5
Consult Fig. 5.In the embodiment shown in fig. 5, according to embodiment 1 and 3, in bluetooth equipment 2, be also provided with rechargeable battery; Rechargeable battery connects respectively the charge port of power module 2, mobile terminal charging inlet, interface 2 and the bluetooth equipment 3 of bluetooth module 2;
When bluetooth equipment 1 is manual, patch after bluetooth equipment 2, the interface 2 of bluetooth equipment 2 is connected with the change over switch 1 of bluetooth equipment 1, and by the charging pin of interface 2 and change over switch 1, the charging cell module of bluetooth equipment 1 is charged;
The mobile terminal charge port of bluetooth equipment 2 is connected with the USB interface of mobile terminal by USB interface line, and mobile terminal is charged;
Bluetooth equipment 3 charge port of bluetooth equipment 2 are charged to bluetooth equipment 3 by connector mode, double-contact interface or usb mode.
Because smart mobile phone power consumption is larger, cluster intercommunication business belongs to routine work important means, is the call requirement of continuity mobile terminal longer time, increases the precious battery of charging on bluetooth equipment, contribute to improve the service time of mobile terminal, the carrying out of better safeguard work.
Embodiment 6
Consult Fig. 6.In the embodiment shown in fig. 6, on the basis of embodiment 1, be also provided with the GPS module on the central controller MCU of the bluetooth module 2 being connected in bluetooth equipment 2 on bluetooth equipment 2, MCU controls GPS module operating state.MCU, by the instruction of wireless blue tooth mobile terminal receive, opens, closes, collects the operations such as data to GPS module.MCU is responsible for processing the work of all bluetooth modules; Bluetooth chip is for the treatment of wireless blue tooth signal and information; It is mutual that wireless transceiver carries out the transfer of data of Bluetooth signal, and by the data of the GPS module of collecting by wireless transmission to mobile terminal.After mobile terminal receives the gps data of bluetooth module 2 of bluetooth equipment 2, at software application layer calling data.Because GPS module belongs to the parts that power consumption is larger in mobile terminal, while part mobile terminal is the poor-performing of GPS in design, but positioning function belongs to important function in cluster intercommunication application, for promoting the performance of GPS, reduce the power consumption of mobile terminal, in bluetooth, increasing GPS function, is a kind of important solution.
Embodiment 7
Consult Fig. 7.In the embodiment shown in fig. 7, according to the execution mode of embodiment 1 and embodiment 6, bluetooth equipment 2 can be set to, bluetooth equipment 2 and the bluetooth equipment 3 being comprised of GPS module and bluetooth module 3 make mobile terminal can link bluetooth equipment 1, bluetooth equipment 2 and 3 three bluetooth equipments of bluetooth equipment simultaneously.Bluetooth equipment 2 and bluetooth equipment 3 are all built in in bluetooth equipment 2, share same power module; Bluetooth equipment 3 mobile terminal receives are for the control of GPS module, comprise that GPS opens, closes, data are extracted and be transferred to mobile terminal.Bluetooth equipment 2 and mobile terminal carry out the control of PTT calling.Because GPS Bluetooth is comparatively complicated, the R&D cycle is longer, also can consider directly to use ripe GPS bluetooth module assembly to realize corresponding GPS Functional Design in embodiment 1, although cost increases, can increase research and development progress.
Above-described is only preferred embodiment of the present utility model.Should be understood that; for the person of ordinary skill of the art; do not departing under the prerequisite of the utility model principle; can also make some distortion and improvement; such as; can to above-described embodiment 1-7, carry out mutual combination or combination according to the utility model, these combinations or change and change should be considered as belonging to protection range of the present utility model.

Claims (10)

1. a mobile terminal linking bluetooth PTT talkback unit, comprise bluetooth equipment 1, the bluetooth equipment 2 that can simultaneously link mobile terminal and the power module that power supply is provided, it is characterized in that: bluetooth equipment 2 is provided with the PTT PTT button that is electrically connected to bluetooth module 2 by I/O mouth, and the audio frequency output module 2 of connecting interface 2; Audio frequency output module 2 and interior other device common source of bluetooth equipment 2; Audio frequency input module 1 on bluetooth equipment 1 directly connects on the audio input port of pulse code modulation pcm interface of bluetooth module 1, and audio frequency output module 1 connects by change over switch 1 on the audio output port of pulse code modulation pcm interface of bluetooth module 1.
2. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, it is characterized in that: the interface 2 of bluetooth equipment 2 is connected with switching interface 1, audio frequency output module 2 is the pulse code modulation pcm interface of logical bluetooth module 1 repeatedly, by audio frequency input module 2 and audio frequency output module 2 input and output PTT intercommunication audio signals.
3. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, is characterized in that: bluetooth module is to comprise separately the general module of MCU function or comprise the external member that Bluetooth chip, wireless transceiver and central controller MCU assembly form.
4. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, is characterized in that: the interface of the switching interface of bluetooth equipment 1 and bluetooth equipment 2 comprises USB interface or pin type socket.
5. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, is characterized in that: the I/O mouth that PTT PTT key is connected with bluetooth module, comprises in middle fracture, keyboard mouth, interface module or universaling I/O port at least one interface; Interface module comprises analog interface, digital interface and three sub-blocks of man-machine interface: (1) analog interface comprises: phonetic entry/output interface, radio frequency control interface; (2) satellite interface, the collection of battery electric quantity and battery temperature analog quantity; (3) digital interface comprises: system interface, SIM card interface, test interface, EEPROM interface, memory interface and ROM interface.
6. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, it is characterized in that: the audio frequency output module in bluetooth equipment 1 and bluetooth equipment 2 is by power amplifier module connecting interface and switching interface, and volume adjusting key is connected on the peripheral control circuit of power amplifier module.
7. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, it is characterized in that: beyond bluetooth equipment 1 and bluetooth equipment 2, be provided with a portable PTT bluetooth equipment 3, bluetooth equipment 2 and bluetooth equipment 3 are equipped with triggering mobile terminals and initiate the PTT button that PTT calls out.
8. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, it is characterized in that: on the central controller MCU of the bluetooth module 2 in bluetooth equipment 2, be also connected with information display module, information display module shows by the data of MCU mobile terminal receive wireless transmission.
9. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, is characterized in that: in bluetooth equipment 2, be also provided with rechargeable battery; Rechargeable battery is respectively by the charge port of mobile terminal charging inlet, interface 2 and bluetooth equipment 3.
10. mobile terminal linking bluetooth PTT talkback unit as claimed in claim 1, is characterized in that: on bluetooth equipment 2, be also provided with the GPS module on the central controller MCU of the bluetooth module 2 being connected in bluetooth equipment 2, MCU controls GPS module operating state.
CN201420152752.5U 2014-03-31 2014-03-31 Mobile terminal linking bluetooth PTT talkback unit Expired - Fee Related CN203984688U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111277288A (en) * 2020-01-19 2020-06-12 北京九方广维科技有限公司 Bluetooth-controlled vehicle-mounted intercom system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111277288A (en) * 2020-01-19 2020-06-12 北京九方广维科技有限公司 Bluetooth-controlled vehicle-mounted intercom system

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