CN209472616U - Wear-type digital walkie-talkie based on DECT - Google Patents
Wear-type digital walkie-talkie based on DECT Download PDFInfo
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- CN209472616U CN209472616U CN201920524521.5U CN201920524521U CN209472616U CN 209472616 U CN209472616 U CN 209472616U CN 201920524521 U CN201920524521 U CN 201920524521U CN 209472616 U CN209472616 U CN 209472616U
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Abstract
The utility model relates to a kind of wear-type digital walkie-talkie based on DECT, the utility model includes at least one earphone, earphone mainboard is equipped with inside the earphone, earphone mainboard is equipped with: loudspeaker, microphone, main control module, DECT communication module, ADPCM encoding and decoding speech module, TDMA/TDD processing module, GFSK modulation module, radio-frequency module and antenna, loudspeaker, microphone, DECT communication module, ADPCM encoding and decoding speech module, TDMA/TDD processing module, GFSK modulation module, one end of radio-frequency module is connect with main control module respectively, the other end of radio-frequency module is connect with antenna.The utility model is wear-type wireless intercom equipment, without other attachment devices, structure brief introduction is easy to carry about with one, convenience is used and taken care of, using full-duplex communication, more people intercommunication simultaneously may be implemented, group communication, convenient for cooperating, in addition the application is big using DECT communication module, the selection of TDMA/TDD processing modules implement dynamic channel, power system capacity, and good confidentiality, bandwidth are high, the bit error rate is low, communication stabilised quality is good.
Description
Technical field
The utility model belongs to field of communication technology, and in particular to a kind of wear-type digital walkie-talkie based on DECT.
Background technique
Existing intercom is mostly hand-held form in the related technology, and is half-duplex operating mode, needs hand-held call,
And need ptt switch to carry out transmitting-receiving conversion, and can only side speech, cannot communicate simultaneously in many ways；It is simultaneously plain code broadcast mode
It sends, as long as similar product or being transferred to that identical frequency is i.e. accessible, and secret and safe is poor with type product.
The prior art needs preset channel, and the equipment on same channel all can receive voice content, and confidentiality is poor, and only
It supports two people while speaking, do not support more people while making a speech.
Utility model content
In view of this, providing the wear-type based on DECT the purpose of the utility model is to overcome the deficiencies in the prior art
Digital walkie-talkie, to solve to need preset channel in the prior art, the equipment on same channel all can receive voice content, protect
Close property is poor, and the problem of only support two people while speaking, do not support more people while making a speech.
In order to achieve the above object, the utility model adopts the following technical solution: a kind of wear-type number based on DECT is right
It says machine, including host and slave, is connected between the host and slave by center networking, the host and slave include:
At least one earphone, the earphone inside are equipped with earphone mainboard, and the earphone mainboard is equipped with:
Loudspeaker, microphone, main control module, DECT communication module, ADPCM encoding and decoding speech module, TDMA/TDD handle mould
Block, GFSK modulation module, radio-frequency module and antenna, the loudspeaker, microphone, DECT communication module, ADPCM encoding and decoding speech
Module, TDMA/TDD processing module, GFSK modulation module, radio-frequency module one end be connected to the main control module respectively, it is described
The other end of radio-frequency module is connect with the antenna；
The DECT communication module is for transmitting and receiving communicating data；
The ADPCM encoding and decoding speech module is used to for collected voice signal being encoded to digital signal, or will receive
The digital signal decoding arrived is voice signal；
The GFSK modulation module is used to be digital radio signal for digital signal modulated or is demodulated into digital RF letter
Digital signal；
TDMA/TDD processing module be used to carry out the digital radio signal that will issue channel coding/decoding intertexture, encryption with
It forms time division multiple acess data flow or time division multiple acess decomposition is carried out to demodulated digital radio signal；
The digital RF that the radio-frequency module is used to digital radio signal be sent to antenna output or receiving antenna is sent
Signal.
Further, further includes:
Voice input signal amplifying circuit, speech output signal amplifying circuit；
The input terminal of the voice signal input amplifying circuit is connect with the microphone, output end and the master control mould
Block connection, the input terminal of the speech output signal amplifying circuit are connected to the main control module, output end and the loudspeaker
Connection.
Further, further includes:
Head beam, the head beam inside are equipped with protection foam, and earphone is connected below the head beam, and the earphone outside connects miaow
Bar, the miaow bar connect earphone by miaow bar rotational structure and microswitch.
Further, it is equipped with below the miaow bar rotational structure:
Volume adjustment button is multiplexed key and switching on and shutting down key to code.
Further, the radio-frequency module includes radio frequency chip；
The frequency range section of the radio frequency chip is 1700MHZ-2000MHZ.
Further, it is equipped on the inside of the earphone:
Earphone foam.
Further, the earphone are as follows:
One or two.
Further, it is additionally provided on the outside of the earphone:
Battery compartment is used for placing battery；
The battery compartment is equipped with battery cabin cap.
Further, the both ends of the head beam are equipped with:
Horizontal rotation structure, for moving horizontally for earphone；
Vertical rotary structure, for vertically moving for earphone.
Further, one end of the head beam is equipped with:
Stretching structure, for the flexible of head beam.
The utility model uses above technical scheme, and the attainable beneficial effect of institute includes:
The utility model is wear-type wireless intercom equipment, is not necessarily to other attachment devices, and structure brief introduction is easy to carry about with one, and is used
It is facilitated with keeping, using full-duplex communication, more people intercommunication simultaneously, group communication, convenient for collaborative work, radio frequency access may be implemented
Mode, dynamic channel selection, power system capacity is big, good confidentiality, and bandwidth is high, and the bit error rate is low, and communication stabilised quality is good.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of single machine circuit fundamental diagram of the wear-type digital walkie-talkie based on DECT of the utility model；
Fig. 2 is the utility model a kind of host and slave networking schematic diagram of the wear-type digital walkie-talkie based on DECT；
Fig. 3 is that a kind of ears form Headphone structure of wear-type digital walkie-talkie based on DECT of the utility model is illustrated
Figure；
Fig. 4 is that a kind of monaural form Headphone structure of wear-type digital walkie-talkie based on DECT of the utility model is illustrated
Figure.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Introducing one provided in the embodiment of the present application with reference to the accompanying drawing, specifically the wear-type number based on DECT is right
Say machine.
The acoustical vibration that the mankind are issued mainly is issued from mouth and nose, this vibration makes head centered on vocal cords
Portion integrally generates vibration.Also, acoustical vibration is transmitted from epipharynx by syrinx, therefore external auditory canal also has a small amount of air vibration to produce
It is raw.That is the vibration signal that the air vibration generated in ear canal generates can also be converted into voice signal.
Introducing one provided in the embodiment of the present application with reference to the accompanying drawing, specifically the wear-type number based on DECT is right
Say machine.
As depicted in figs. 1 and 2, the wear-type digital walkie-talkie based on DECT provided in the embodiment of the present application, including master
Machine and slave connect between the host and slave by center networking of host；All slaves connect with host and make two-way
It communicates, there is no connections between slave.
As shown in Fig. 1, Fig. 3 and Fig. 4, the host and slave include: at least one earphone, are equipped with inside the earphone
Earphone mainboard 8, the earphone mainboard 8 are equipped with:
Loudspeaker 108, microphone 3, main control module 101, DECT communication module 102, ADPCM encoding and decoding speech module 103,
TDMA/TDD processing module 104, GFSK modulation module 105, radio-frequency module 106 and antenna 107, the loudspeaker 108, microphone
3, DECT communication module 102, ADPCM encoding and decoding speech module 103, TDMA/TDD processing module 104, GFSK modulation module 105,
One end of radio-frequency module 106 is connect with the main control module 101 respectively, the other end and the antenna of the radio-frequency module 106
107 connections；
The DECT communication module 102 is for transmitting and receiving communicating data；
The ADPCM encoding and decoding speech module 103 is used to collected voice signal being encoded to digital signal, or will connect
The digital signal decoding received is voice signal；
The GFSK modulation module 105 is used to be digital radio signal for digital signal modulated or digital RF is believed demodulation
For digital signal；
TDMA/TDD processing module 104 is used to carry out demodulated digital radio signal time division multiple acess decomposition or to will
The digital radio signal of sending carries out channel coding/decoding intertexture, encryption to form time division multiple acess data flow；
The radio-frequency module 106 is used to for digital radio signal to be sent to the output of antenna 107 or receiving antenna 107 is sent
Digital radio signal.
The working principle of wear-type digital walkie-talkie based on DECT are as follows: when exporting voice, voice signal passes through Mike
Wind 3 inputs, and into main control module 101, voice signal is sent to DECT communication module 102, ADPCM voice by main control module 101
Collected voice signal is encoded to digital signal by coding/decoding module 103, and digital signal modulated is by GFSK modulation module 105
Digital radio signal, TDMA/TDD processing module 104 carry out channel coding/decoding intertexture to the digital radio signal that will be issued, add
It is close to form time division multiple acess data, digital radio signal is sent to antenna 107 and exported by radio-frequency module 106.
Wear-type digital walkie-talkie provided by the present application may include 1 host, and multiple slaves are double between host and slave
To communication.
When receiving voice, digital radio signal is received from antenna 107, GFSK modulation is sent to by radio-frequency module 106
Digital RF letter is demodulated into digital signal by module 105, GFSK modulation module 105, and 104 pairs of TDMA/TDD processing module through solving
The digital radio signal of tune carries out time division multiple acess decomposition, the digital signal solution that ADPCM encoding and decoding speech module 103 will receive
Code is voice signal, and DECT communication module 102 receives voice communication data transmission to loudspeaker 108.
Main control module 101 provided by the present application, DECT communication module 102, wherein DECT communication module 102 uses DECT
Chip, DECT chip can use in busy even severe radio environment, and DECT can be made not need frequency volume
The service of high quality is provided in the case where system, DECT chip efficient can use the radio spectrum assigned, even multiple journeys
Sequence uses the same frequency spectrum, and the applicable frequency range of DECT chip is 1880-1900MHz.
In some embodiments, the wear-type digital walkie-talkie provided by the present application based on DECT, further includes:
Voice input signal amplifying circuit 201, speech output signal amplifying circuit 202；
The input terminal of the voice input signal amplifying circuit 201 is connect with the microphone 3, output end and the master
It controls module 101 to connect, the input terminal of the speech output signal amplifying circuit is connect with the main control module 101, output end
It is connect with the loudspeaker 108.
Specifically, voice signal is inputted via microphone 3 when issuing voice signal, amplified by voice input signal
Circuit 201 enters main control module 101；Likewise, voice signal is put eventually by speech output signal when receiving voice signal
Big 202 final output of circuit is to loudspeaker 108.
In some embodiments, as shown in figure 3, the wear-type digital walkie-talkie provided by the present application based on DECT, further includes:
Head beam 1 is equipped with protection foam 2 on the inside of the head beam 1, earphone is connected below the head beam 1, is connected on the outside of the earphone
Miaow bar 4 is connect, the miaow bar 4 connects earphone by miaow bar rotational structure 5 and microswitch.
Head beam 1 is worn on head for user in the application, and protection foam 2 is for protecting user right in time wearing number
The discomfort on head when saying machine.The tip of miaow bar 4 is microphone 3, and miaow bar 4 is rotated by miaow bar rotational structure 5, wherein miaow bar
Rotational structure 5 is the prior art, and this will not be repeated here by the application.When miaow bar 4 rotates to be the state of establishing by miaow bar rotational structure 5
When, call function can be opened because of rotary push microswitch.
In some embodiments, it is equipped with below the miaow bar rotational structure 5:
Volume adjustment button 6 is multiplexed key and switching on and shutting down key 7 to code.
Wherein, volume adjustment button 6, which is divided, declines key for volume lifting key and volume, and two volume keys are pressed to enter in length matches
To mode, code multiplexing key use with clock synchronization for wear-type digital walkie-talkie and other intercoms, switching on and shutting down key 7
For opening the operating mode of intercom.
In some embodiments, the radio-frequency module 106 includes radio frequency chip；
The frequency range section of the radio frequency chip is 1700MHZ-2000MHZ.
Specifically, the application main control module 101 includes main control chip, wherein master control core uses DE562003CLC but not office
It is limited to this certain chip, the chip with dect standard protocol function；Radio frequency chip is using DE19RF19ZCNC but does not limit to
In this certain chip, the chip of 1700-2000MHZ radio-frequency receiving-transmitting can be supported.
In some embodiments, it is equipped on the inside of the earphone:
Earphone foam 9.It can be mitigated when user wears this wear-type digital walkie-talkie for a long time using earphone foam 9 tired
Labor sense.
In some embodiments, the earphone are as follows:
One or two.
That is, the wear-type digital walkie-talkie provided by the present application based on DECT can may be for biphone money
Single earpiece money.
In some embodiments, it is additionally provided on the outside of the earphone:
Battery compartment 13 is used for placing battery；
The battery compartment 13 is equipped with battery cabin cap 14.
Specifically, as shown in figure 3, the earphone equipped with miaow bar 4 is main earphone, not when digital walkie-talkie is biphone money
Earphone equipped with miaow bar 4 is set of headphones, and battery compartment 13 is equipped on the outside of set of headphones, and battery compartment 13 is equipped with battery cabin cap 14.Battery
Battery compartment sponge 12 is additionally provided on storehouse 13.
As shown in figure 4, being equipped with battery compartment on the outside of the one end for being not provided with earphone when comb intercom is single earpiece money
13, battery compartment 13 is equipped with battery cabin cap 14.Battery compartment sponge 12 is additionally provided on battery compartment 13.
Preferably, the both ends of the head beam 1 are equipped with:
Horizontal rotation structure 10, for moving horizontally for earphone；
Vertical rotary structure 11, for vertically moving for earphone.
Preferably, one end of the head beam 1 is equipped with:
Stretching structure 15, for the flexible of head beam 1.Stretching structure facilitates user and adjusts head beam 1 according to head size.
In conclusion the utility model is wear-type wireless intercom equipment, other attachment devices are not necessarily to, structure brief introduction is easy to
It carries, uses and take care of convenience, using full-duplex communication, more people intercommunication simultaneously, group communication, convenient for collaboration work may be implemented
Make, in addition the application is big using DECT communication module, the selection of TDMA/TDD processing modules implement dynamic channel, power system capacity, protects
Close property is good, bandwidth is high, the bit error rate is low, communication stabilised quality is good.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of wear-type digital walkie-talkie based on DECT, which is characterized in that including host and slave, the host and slave
Between connected by center networking, the host and slave include: at least one earphone, and earphone master is equipped with inside the earphone
Plate, the earphone mainboard are equipped with:
Loudspeaker, microphone, main control module, DECT communication module, ADPCM encoding and decoding speech module, TDMA/TDD processing module,
GFSK modulation module, radio-frequency module and antenna, the loudspeaker, microphone, DECT communication module, ADPCM encoding and decoding speech mould
Block, TDMA/TDD processing module, GFSK modulation module, radio-frequency module one end be connected to the main control module respectively, it is described to penetrate
The other end of frequency module is connect with the antenna；
The DECT communication module is for transmitting and receiving communicating data；
The ADPCM encoding and decoding speech module is used to collected voice signal being encoded to digital signal, or will receive
Digital signal decoding is voice signal；
The GFSK modulation module is used to be digital radio signal for digital signal modulated or digital RF letter is demodulated into number
Signal；
TDMA/TDD processing module is used to carry out the digital radio signal that will be issued channel coding/decoding intertexture, encryption to be formed
Time division multiple acess data flow carries out time division multiple acess decomposition to demodulated digital radio signal；
The digital radio signal that the radio-frequency module is used to digital radio signal be sent to antenna output or receiving antenna is sent.
2. the wear-type digital walkie-talkie according to claim 1 based on DECT, which is characterized in that further include:
Voice input signal amplifying circuit, speech output signal amplifying circuit；
The input terminal of the voice signal input amplifying circuit is connect with the microphone, and output end and the main control module connect
It connects, the input terminal of the speech output signal amplifying circuit is connected to the main control module, and output end is connect with the loudspeaker.
3. the wear-type digital walkie-talkie according to claim 1 based on DECT, which is characterized in that further include:
Head beam, the head beam inside are equipped with protection foam, and earphone is connected below the head beam, and the earphone outside connects miaow bar,
The miaow bar connects earphone by miaow bar rotational structure and microswitch.
4. the wear-type digital walkie-talkie according to claim 3 based on DECT, which is characterized in that the miaow bar rotation knot
It is equipped with below structure:
Volume adjustment button is multiplexed key and switching on and shutting down key to code.
5. the wear-type digital walkie-talkie according to claim 1 based on DECT, which is characterized in that
The radio-frequency module includes radio frequency chip；
The frequency range section of the radio frequency chip is 1700MHZ-2000MHZ.
6. the wear-type digital walkie-talkie according to claim 2 based on DECT, which is characterized in that set on the inside of the earphone
Have:
Earphone foam.
7. the wear-type digital walkie-talkie according to claim 1 based on DECT, which is characterized in that the earphone are as follows:
One or two.
8. the wear-type digital walkie-talkie according to claim 7 based on DECT, which is characterized in that on the outside of the earphone also
It is equipped with:
Battery compartment is used for placing battery；
The battery compartment is equipped with battery cabin cap.
9. the wear-type digital walkie-talkie according to claim 3 based on DECT, which is characterized in that the both ends of the head beam
It is equipped with:
Horizontal rotation structure, for moving horizontally for earphone；
Vertical rotary structure, for vertically moving for earphone.
10. the wear-type digital walkie-talkie according to claim 3 based on DECT, which is characterized in that the one of the head beam
End is equipped with:
Stretching structure, for the flexible of head beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524521.5U CN209472616U (en) | 2019-04-17 | 2019-04-17 | Wear-type digital walkie-talkie based on DECT |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524521.5U CN209472616U (en) | 2019-04-17 | 2019-04-17 | Wear-type digital walkie-talkie based on DECT |
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| CN209472616U true CN209472616U (en) | 2019-10-08 |
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ID=68093457
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| CN201920524521.5U Active CN209472616U (en) | 2019-04-17 | 2019-04-17 | Wear-type digital walkie-talkie based on DECT |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958033A (en) * | 2019-11-29 | 2020-04-03 | 广东寰宇电子科技股份有限公司 | Method and terminal for controlling communication of half-duplex digital intercom system |
| CN111586595A (en) * | 2020-04-30 | 2020-08-25 | 河北仟兴科技有限公司 | Networking communication system of relay repeater |
| CN112533260A (en) * | 2020-11-24 | 2021-03-19 | 厦门亿联网络技术股份有限公司 | Method and device for dynamically switching channels |
-
2019
- 2019-04-17 CN CN201920524521.5U patent/CN209472616U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958033A (en) * | 2019-11-29 | 2020-04-03 | 广东寰宇电子科技股份有限公司 | Method and terminal for controlling communication of half-duplex digital intercom system |
| CN110958033B (en) * | 2019-11-29 | 2022-03-25 | 广东寰宇电子科技股份有限公司 | Method and terminal for controlling communication of half-duplex digital intercom system |
| CN111586595A (en) * | 2020-04-30 | 2020-08-25 | 河北仟兴科技有限公司 | Networking communication system of relay repeater |
| CN111586595B (en) * | 2020-04-30 | 2024-02-09 | 河北仟兴科技有限公司 | Relay repeater networking communication system |
| CN112533260A (en) * | 2020-11-24 | 2021-03-19 | 厦门亿联网络技术股份有限公司 | Method and device for dynamically switching channels |
| CN112533260B (en) * | 2020-11-24 | 2024-05-31 | 厦门亿联网络技术股份有限公司 | Method and device for dynamically switching channels |
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Effective date of registration: 20200826 Address after: Room 1914, block C, Dongsheng Plaza, 508 Zhongshan East Road, Chang'an District, Shijiazhuang City, Hebei Province Patentee after: Hebei QIANXING Technology Co.,Ltd. Address before: Office 09-B, 1 / F, 537 building, residential theme park, 233 Shanbei Road, Xindian Town, Jin'an District, Fuzhou City, Fujian Province Patentee before: Fuzhou Haix Electronics Technology Co.,Ltd. |