CN209448891U - A kind of 2.4G wireless speech explains device - Google Patents

Abstract

The utility model provides a kind of 2.4G wireless speech explains device, including host and slave, the host includes the first MCU Main Processing Unit, and first MCU Main Processing Unit is electrically connected with controlled unit speech processing module, D/A audio processing modules, the first keyboard input module, bluetooth module, OLED display screen, battery charging module and communication module；The slave includes the second MCU Main Processing Unit, and second MCU Main Processing Unit is electrically connected with controlled unit speech processing module, D/A audio processing modules, the second keyboard input module, LCD display, battery charging module and communication module；First keyboard input module includes volume adjusting module and a key roll-call module, and second keyboard input module includes volume adjusting module and SOS emergency module, and the host is wirelessly connected by the communication module and slave.It solves in the prior art that speech sound eeplaining body product is big, is unfavorable for carrying, poor anti jamming capability and do not have the technical issues of key emergency.

Description

A kind of 2.4G wireless speech explains device

Technical field

The utility model relates to a kind of tourism explains devices, more particularly to a kind of 2.4G wireless speech explains device.

Background technique

With the improvement of living standards, more and more people have treated as tourism a kind of consumption pattern of fashion, tourism can To enjoy local cuisines, local cultural custom is understood, political geography increases experience.Tourism can choose self-driving travel or with Group's trip, but tour guide is essential, even if tourist selects self-driving travel, it is desirable to understand the deep culture background in sight spot still The tour guide in scenic spot need to be employed to explain, tour guide can explain sight spot characteristic, allusion, legend for tourist, and tourist is reminded to pay attention to Safety；Check team follower's number and other security situations；Handle tourist's emergency case of going along with the team.

Tour guide be tourist explain sight spot during, since team is more, most start tour guide be using loudspeaker, But loudspeaker sound is larger, there is multiple tourist parties in addition, thus causes very noisy in scenic spot, destroys original ring Border, and even if using loudspeaker, tour guide to be also required to sound of speaking larger, go down for a long time, the throat that just causes to conduct a sightseeing tour is impaired It is hoarse.There are also many tourists to use Portable loudspeaker, and function is by microphone source of sound or the sound recorded Source carries out the broadcasting that amplifies, and explanation coverage area is influenced less and by distance very heavy, and sound attenuating is more serious more rearward, to guide Oneself requirement is higher.For loudspeaker currently on the market, its volume is relatively large to be not easy to carry, anti-interference ability The too close noise that difference and microphone lean on is big, influences other people using noise is big in public places, and explanation range is restricted and does not support Remote transmission, voice transmission are not suitable for open air use by significant limitation.

Meanwhile often occurring some emergencies in tourism, when tourist is when scenic spot oneself is played, due to in scenic spot Environment is unfamiliar with, and some accidents can inevitably occur, and at this moment emergency contact should be tour guide, and tour guide can provide side for tourist It helps, but how to be also a problem relating to tour guide at the first time at a distance.

Utility model content

In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of 2.4G wireless speech to say Device is solved, it is big for solving speech sound eeplaining body product in the prior art, it is unfavorable for carrying, poor anti jamming capability, explains model It encloses to be restricted and does not support to transmit at a distance, and do not have the technical issues of key emergency.

In order to achieve the above objects and other related objects, the utility model provides a kind of 2.4G wireless speech explains device, packet Include host and slave, the host includes the first MCU Main Processing Unit, at first MCU Main Processing Unit and controlled unit voice Manage module, D/A audio processing modules, the first keyboard input module, bluetooth module, OLED display screen, battery charging module and Communication module electrical connection, the speech processing module are electrically connected with microphone input module；The slave includes the 2nd MCU master control Unit, second MCU Main Processing Unit and controlled unit speech processing module, D/A audio processing modules, the second key-press input mould Block, LCD display, battery charging module and communication module electrical connection, the speech processing module and microphone input module Electrical connection；First keyboard input module includes volume adjusting module and a key roll-call module, the second key-press input mould Block includes volume adjusting module and SOS emergency module, and the host is wirelessly connected by the communication module and slave.

In an embodiment of the utility model, the communication module be 2.4G voice wireless module, built-in PCB days Line, the 2.4G voice wireless module working frequency range are the free frequency range of ISM 2.4GHz, communication channel preset number 20, can be single Bill is received or multicast.

In an embodiment of the utility model, the SOS emergency module realizes host by 2.4G wireless speech module It individually matches with slave, into independent communication channel mode, is received by host single-shot list.

In an embodiment of the utility model, the bluetooth module supports bluetooth 4.0, is used cooperatively with cell phone application.

In an embodiment of the utility model, the D/A audio processing modules are electrically connected with audio socket, the audio Socket is 3.5mm audio socket, external speaker and earphone.

In an embodiment of the utility model, the battery charging module includes USB cradle, and host is by USB interface Carry out charging and device upgrade.

As described above, the complete utility model title of the utility model, has the advantages that

1. in the utility model, PCB antenna built in the 2.4G voice wireless module, channel separating degree is@1KHz: 90dB, 100 meters of transmission range open field or more, the automatic mute when channel quality is bad or the bit error rate is high is conducted a sightseeing tour and is swum Visitor can carry out within the scope of 100 meters when in use, also avoid noise occur；The radio frequency power output of PCB antenna is 20dBm, Other equipment in interference similar frequency bands can be reduced.

2. the utility model uses highly integrated 2.4G speech chip, strong antijamming capability supports voice to pass at a distance It is defeated, it is ensured that transmission range is stablized in 100m or more high-fidelity CD Quality and will not be led to audio distortions by transmission range, have Simultaneous interpretation, multiband selection.

3. the utility model supports host and slave individually to converse, when tourist encounters crisis situations, tourist can be in slave Upper click SOS emergency key, slave enter independent communication pattern, and slave and host carry out individually real-time intercommunication, provide for tourist It helps.

Detailed description of the invention

Fig. 1 is shown as the functional block diagram of host disclosed in the utility model embodiment.

Fig. 2 is shown as the functional block diagram of slave disclosed in the utility model embodiment

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the utility model easily.

Fig. 1 is please referred to Fig. 2.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to Cooperate the revealed content of specification, so that those skilled in the art understands and reads, is not intended to limit the utility model Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size Adjustment, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model Revealed technology contents obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", " left side ", The term on " right side ", " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than enforceable to limit the utility model Range, relativeness are altered or modified, under the content of no substantial changes in technology, enforceable when being also considered as the utility model Scope.

Please referring to Fig. 1 -- Fig. 2, the utility model provide a kind of 2.4G wireless speech explains device, including host and slave, institute Stating host includes the first MCU Main Processing Unit, at first MCU Main Processing Unit and controlled unit speech processing module, D/A audio Manage module, the first keyboard input module, bluetooth module, OLED display screen, battery charging module and communication module electrical connection, institute Speech processing module is stated to be electrically connected with microphone input module；The slave includes the second MCU Main Processing Unit, the 2nd MCU Main control unit and controlled unit speech processing module, D/A audio processing modules, the second keyboard input module, LCD display, electricity Pond charging module and communication module electrical connection, the speech processing module are electrically connected with microphone input module；Described first Keyboard input module includes volume adjusting module and a key roll-call module, and second keyboard input module includes volume adjustment mould Block and SOS emergency module, the host are wirelessly connected by the communication module and slave.

In the present embodiment, the emitting portion is the host of control system, and receiving portion is the slave of control system, host It is wirelessly connected between slave by communication module, there is one-to-one, one-to-many optional, slave and host between host and slave After the completion of pairing, host and slave ditch are had friendly relations communication channel, and the second MCU Main Processing Unit of slave sends commands to communication module, It is allowed to enter low-power consumption reception state.

The microphone input module of host acquires sound, handles through speech processing module, the voice signal of simulation is changed into Digital signal inputs the first MCU Main Processing Unit, and the first MCU Main Processing Unit is connect after handling this part of speech data packing by SPI Communication module is defeated by oral instructions, then is sent out this part of speech signal with specific a certain frequency range by 2.4G wireless speech module It goes, that is, completes entire voice sending function.

After slave receives the voice signal that host issues, the second MCU Main Processing Unit is automatically waken up, with the communication side SPI The data received are passed to the second MCU Main Processing Unit by formula, and data are passed through D/A by I2C agreement by the second MCU Main Processing Unit After audio processing modules processing, then played back by earphone.

Based on above embodiments, the communication module is 2.4G voice wireless module, built-in PCB antenna, the 2.4G Voice wireless module working frequency range is the free frequency range of ISM 2.4GHz, communication channel preset number 20, can single-shot list receipts or one Hair to be received；The communication module is 2.4G wireless speech module, and working frequency range is the free frequency range of ISM 2.4GH z, communication It channel preset number 20, can single-shot list receipts or multicast；The SOS emergency module realizes master by 2.4G wireless speech module Machine is individually matched with slave, into independent communication channel mode, is received by host single-shot list；The D/A audio processing modules and sound The electrical connection of frequency socket, the audio socket are 3.5mm audio socket, external speaker and earphone；The battery charging module includes USB cradle, host carry out charging and device upgrade by USB interface.

In the present embodiment, the host can be connect by bluetooth module with cell phone application, real-time update and check tourist's shape State；The display of the host uses OLED liquid crystal display, host electricity can be shown, currently with a number, and with a people Slave status etc.；Slave can show slave electricity and present communications channel using the small liquid crystal display of LCD.

In the present embodiment, slave presses SOS button, and slave enters independent communication pattern, and slave and host carry out individually real When intercommunication, microphone input module acquire sound, handled through speech processing module, the voice signal of simulation changed into digital signal The second MCU Main Processing Unit is inputted, then is sent by 2.4G wireless speech module with specific channel, after host receives, Be directly entered this specific channel, after the processing of D/A audio processing modules, then played back by earphone, tourist can with lead Trip is individually conversed.

In the present embodiment, the host presses next key roll-call button, and host enters scan module, and automatically scanning is nearby therewith The slave matched, being defaulted as beyond distance range is offline, OLED liquid crystal display by corresponding slave it is shown in red from Line, the then display in range are green online.

In conclusion the utility model is small in size, be conducive to carry, strong antijamming capability, explanation range is unrestricted System supports the function of remote transmission and key emergency.So the utility model effectively overcome it is in the prior art it is various lack It puts and has high industrial utilization value.

The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.

Claims (6)

1. a kind of 2.4G wireless speech explains device, which is characterized in that including host and slave, the host includes the first MCU master Control unit, first MCU Main Processing Unit and controlled unit speech processing module, D/A audio processing modules, the first key-press input Module, bluetooth module, OLED display screen, battery charging module and communication module electrical connection, the speech processing module and wheat The electrical connection of gram wind input module；The slave includes the second MCU Main Processing Unit, second MCU Main Processing Unit and controlled unit Speech processing module, D/A audio processing modules, the second keyboard input module, LCD display, battery charging module and communication Module electrical connection, the speech processing module are electrically connected with microphone input module；First keyboard input module includes sound Adjustment module and a key roll-call module are measured, second keyboard input module includes volume adjusting module and SOS emergency module, institute Host is stated to be wirelessly connected by the communication module and slave.

2. a kind of 2.4G wireless speech explains device according to claim 1, it is characterised in that: the communication module is 2.4G Voice wireless module, built-in PCB antenna, the 2.4G voice wireless module working frequency range are the free frequency range of ISM2.4GHz, It communication channel preset number 20, can single-shot list receipts or multicast.

3. a kind of 2.4G wireless speech explains device according to claim 2, it is characterised in that: the SOS emergency module is logical It crosses 2.4G wireless speech module and realizes that host is individually matched with slave, into independent communication channel mode, received by host single-shot list.

4. a kind of 2.4G wireless speech explains device according to claim 1, it is characterised in that: the bluetooth module is supported blue Tooth 4.0, is used cooperatively with cell phone application.

5. a kind of 2.4G wireless speech explains device according to claim 1, it is characterised in that: the D/A audio processing mould Block is electrically connected with audio socket, and the audio socket is 3.5mm audio socket, external speaker and earphone.

6. a kind of 2.4G wireless speech explains device according to claim 2, it is characterised in that: the battery charging module packet USB cradle is included, host carries out charging and device upgrade by USB interface.