CN205510026U - Miniature intercom - Google Patents

Miniature intercom Download PDF

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Publication number
CN205510026U
CN205510026U CN201620088486.3U CN201620088486U CN205510026U CN 205510026 U CN205510026 U CN 205510026U CN 201620088486 U CN201620088486 U CN 201620088486U CN 205510026 U CN205510026 U CN 205510026U
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China
Prior art keywords
interphone
frequency module
processing unit
central processing
micro
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CN201620088486.3U
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Chinese (zh)
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朱良学
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朱良学
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Priority to CN201620088486.3U priority Critical patent/CN205510026U/en
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Abstract

The utility model discloses a miniature intercom, including interphone body, microphone, press keyboard, status indicator lamp, speaker, antenna and control circuit, its characterized in that: control circuit is equipped with central processing unit to central processing unit is the center, and vocoder, audio frequency module, bluetooth module, radio frequency module, earphone interface, button component do not link to each other with central processing unit signal transmission, and the audio frequency module links to each other with microphone, speaker respectively, radio frequency module and antenna connection, the utility model discloses an intercom circuit design is novel, and whole small, stand -by time is long, can not need during the use hands, and the both hands that can fully liberate the user more can be expanded and use with the interconnection at other communication equipment or terminal, and the communication function is flexible and varied.

Description

A kind of micro-interphone
Technical field
This utility model relates to the field of electronics, is specifically related to a kind of communicating talkback machine.
Background technology
Owing to transmitter receiver cluster is to making peace instant intercommunication and do not have the features such as Communications service expense, before having the biggest application Scape.But individual the most on the market carries and is substantially portable interphone with transmitter receiver, during use, necessary hand-held cooperation is right Mike to press close to use, its overall volume is bigger than normal, it has not been convenient to carries and uses.On the other hand, tradition intercom function The most single, can only could realize intercommunication function by pressing PTT (Push to Talk) key, in using, take use The both hands of person, can cause operation inconvenience under specific environment.Meanwhile, tradition transmitter receiver cannot be with modern communications equipment and terminal Interconnection uses, and greatly limit its development and application.Therefore, traditional transmitter receiver haves much room for improvement and improves.
Utility model content
The purpose of this utility model in order to overcome that above-mentioned existing transmitter receiver volume is bigger than normal, be inconvenient to carry, inconvenience uses Problem, it is provided that a kind of micro-interphone, can need not hand-held during use, easy to use, communication function is various.
The purpose of this utility model is achieved by the following technical solution:
A kind of micro-interphone, includes transmitter receiver body, mike, button group, status indicator lamp, speaker, sky Line and control circuit, it is characterised in that: described control circuit is provided with central processing unit, centered by central processing unit, sound Code device, audio-frequency module, bluetooth module, radio-frequency module, earphone interface, button group are transmitted with central processing unit signal respectively Being connected, audio-frequency module is connected with mike, speaker respectively, and radio-frequency module is connected with antenna.
Further, described control circuit is provided with electric power management circuit and charge-discharge circuit, and battery passes through electric power management circuit Powering for transmitter receiver body, charge-discharge circuit connects charging inlet.
Described button group controls to be connected with central processing unit, and button group includes PTT key, switch switch, pairing key, volume Key, each key is respectively positioned in the hand-held region of transmitter receiver.
Described earphone interface can replace speaker to receive voice signal.
Described bluetooth module realizes transmitter receiver by bluetooth and is connected with the wireless telecommunications of external equipment, by switch switch and The combination selection of pairing key enters Bluetooth pairing pattern, starts on external equipment after special APP, and pressing pairing key can lead to Crossing bluetooth module and connect external equipment, audio file is delivered to central processing unit by bluetooth module and processes, and vocoder decompresses It is delivered in speaker play by audio-frequency module after contracting, it is achieved Bluetooth broadcast function.
Described charging inlet can be connected with software upgrade equipment as data-interface.
Transmitter receiver body also includes the back splint fixed for transmitter receiver body.
Compared with prior art, the beneficial effects of the utility model are:
1, this utility model each circuit module compact and highly integrated this is the most internal in transmitter receiver, product entirety body Long-pending little, lightweight, it is simple to carrying, each button is respectively positioned in thumb manipulation region, it is simple to carry out hand-held to each function Operation regulation.
2, this utility model is provided with bluetooth module, changes the performance of traditional single call, considerably increases transmitter receiver Communication performance, can realize with distinct device, the information UNICOM of plurality of devices.
3, charging inlet more can be as data upgrade interface, it is easy to product maintenance, keeps the advanced feature of product simultaneously.
4, earphone interface can replace speaker, can need not hand-held during use, it is possible to fully liberates the both hands of user, Use more convenient flexibly.
5, this utility model can be arranged to automatic intercommunication function by pattern, and need not press PTT key during use can be complete Become voice call, make operation the most convenient.
Accompanying drawing explanation
The technical scheme real in order to be illustrated more clearly that this utility model, describes in detail below in conjunction with embodiment and accompanying drawing.
Fig. 1 is outward appearance schematic front view of the present utility model.
Fig. 2 is outward appearance schematic rear view of the present utility model.
Fig. 3 is that circuit structure of the present utility model connects block diagram.
Description of reference numerals: 11, earphone interface;12, mike;13, button group;14, status indicator lamp;15、 Speaker;16, antenna;18, battery;19, charging inlet;131, PTT key;132, switch switch;133、 Pairing key;134, volume key;171, vocoder;172, electric power management circuit;173, charge-discharge circuit;174、 Central processing unit;175, audio-frequency module;176, bluetooth module;177, radio-frequency module;2, back splint.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail so that advantage of the present utility model and Feature can be easier to be readily appreciated by one skilled in the art, thus protection domain of the present utility model is made apparent clearly Define.
Such as Fig. 1--shown in Fig. 3, a kind of micro-interphone of the present embodiment, its structure and circuit feature are as follows:
Micro-interphone includes transmitter receiver body and back splint 2, transmitter receiver body is provided with earphone interface 11, mike 12, Button group 13, status indicator lamp 14, speaker 15, antenna 16 and charging inlet 19, transmitter receiver body interior is provided with Control circuit and battery 18.Described button group 13 includes: PTT key 131, switch switch 132, pairing key 133, Volume key 134, described control circuit is provided with vocoder 171, electric power management circuit 172, charge-discharge circuit 173, Central processing unit 174, audio-frequency module 175, bluetooth module 176 and radio-frequency module 177.Back splint 2 is for transmitter receiver body Fixing, can need not hand-held during use, it is possible to fully liberate the both hands of user.
Wherein, control circuit with central processing unit 174 as core with center, vocoder 171, electric power management circuit 172, Charge-discharge circuit 173, audio-frequency module 175, bluetooth module 176, radio-frequency module 177, earphone interface 11 and button group 13 are connected with central processing unit 174 signal respectively, and audio-frequency module 175 is connected with mike 12, speaker 15 respectively, Battery 18 is powered for transmitter receiver body by electric power management circuit 172.Described switch switch 132, pairing key 133, sound Amount key 134 is positioned at the both sides of transmitter receiver body, and facilitating hand-held operation, described battery 18 can be aneroid battery or can Rechargeable battery, the built-in bluetooth module 171 of described micro-interphone control circuit is used for realizing transmitter receiver body and sets with outside Standby wireless connections, the charging inlet 19 of described micro-interphone is alternatively arranged as data-interface, for equipment software upgrading, The earphone interface 11 of described micro-interphone can be used for replacing speaker 15 to receive voice signal.
Work and the process of control: after length is by switch switch 132, micro-interphone enters holding state, can be by switching Switch 132 and pairing key 133 combination select mode of operation, after voice message enters manual talkback mode, now press Pairing key 133 and volume key 134 combine, and can be configured intercommunication channel, after arranging channel, press PTT key 131 Start talkback mode, after now being picked up voice by mike 12 through being processed by audio-frequency module 175, central processing unit 174, Being sent to radio-frequency module 177 by central processing unit 174 after vocoder 171 compression, modulation will letter by antenna 16 after amplifying Number send, another after antenna receiving signal of the micro-interphone being under same channel, radio-frequency module modulation /demodulation Control circuit processes voice signal, then is sent to audio-frequency module by vocoder decompression, plays language eventually through speaker Tone signal.
Under holding state, now can be pressed by switch switch 132 and the automatic talkback mode of combination selection of pairing key 133 Lower pairing key 133 and volume key 134 combine, and can be configured micro-interphone channel, after channel is set, now by Mike 12 pick up voice after through being processed by audio-frequency module 175, central processing unit 174, vocoder 171 compress after by Central processor 174 is sent to radio-frequency module 177, and signal is sent by antenna 16 after amplifying, another is in phase by modulation After the antenna receiving signal of the micro-interphone under cochannel, radio-frequency module modulation /demodulation, control circuit processes voice signal, Decompressed by vocoder again and be sent to audio-frequency module, play voice signal eventually through speaker.
Under holding state, Bluetooth pairing pattern can be entered by the combination selection of switch switch 132 and pairing key 133, open Starting on machine after special APP, pressing pairing key 133 can connect mobile phone by bluetooth module 176, and music file passes through Bluetooth module 176 be delivered to central processing unit 174 process, vocoder 171 decompress after be delivered to by audio-frequency module 175 Speaker 15 is play, it is achieved Bluetooth broadcast function.
It is to be appreciated that this utility model is not limited to above-mentioned particular implementation, those skilled in the art can To make various deformation or amendment within the scope of the claims, belong to the scope of this patent protection.

Claims (7)

1. a micro-interphone, include transmitter receiver body, mike, button group, status indicator lamp, speaker, antenna and control circuit, it is characterized in that: described control circuit is provided with central processing unit, centered by central processing unit, vocoder, audio-frequency module, bluetooth module, radio-frequency module, earphone interface, button group are connected with the transmission of central processing unit signal respectively, audio-frequency module is connected with mike, speaker respectively, and radio-frequency module is connected with antenna.
Micro-interphone the most according to claim 1, it is characterised in that: described control circuit is provided with electric power management circuit and charge-discharge circuit, and battery is that transmitter receiver body is powered by electric power management circuit, and charge-discharge circuit connects charging inlet.
3. according to the micro-interphone described in claim 1 or 2, it is characterised in that: described button group controls to be connected with central processing unit, and button group includes PTT key, switch switch, pairing key, volume key, and each key is respectively positioned in the hand-held region of transmitter receiver.
Micro-interphone the most according to claim 1, it is characterised in that: described earphone interface can replace speaker to receive voice signal.
Micro-interphone the most according to claim 1 and 2, it is characterized in that: described bluetooth module realizes transmitter receiver by bluetooth and is connected with the wireless telecommunications of external equipment, Bluetooth pairing pattern is entered by the combination selection of switch switch and pairing key, on startup external equipment after special APP, press pairing key and can connect external equipment by bluetooth module, audio file is delivered to central processing unit by bluetooth module and processes, vocoder is delivered in speaker play by audio-frequency module after decompressing, it is achieved Bluetooth broadcast.
Micro-interphone the most according to claim 2, it is characterised in that: described charging inlet can be connected with software upgrade equipment as data-interface.
Micro-interphone the most according to claim 1 and 2, it is characterised in that: transmitter receiver body also includes the back splint fixed for transmitter receiver body.
CN201620088486.3U 2016-01-27 2016-01-27 Miniature intercom Active CN205510026U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620088486.3U CN205510026U (en) 2016-01-27 2016-01-27 Miniature intercom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620088486.3U CN205510026U (en) 2016-01-27 2016-01-27 Miniature intercom

Publications (1)

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CN205510026U true CN205510026U (en) 2016-08-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107371220A (en) * 2017-09-11 2017-11-21 深圳市诺信诚科技有限公司 A kind of quick matching method of wireless terminal
CN107484143A (en) * 2017-09-25 2017-12-15 途观科技有限公司 A kind of talk back equipment and its intercommunication means of communication based on wireless network
CN113572492A (en) * 2021-06-23 2021-10-29 力声通信股份有限公司 Novel communication equipment prevents falling digital intercom

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107371220A (en) * 2017-09-11 2017-11-21 深圳市诺信诚科技有限公司 A kind of quick matching method of wireless terminal
CN107484143A (en) * 2017-09-25 2017-12-15 途观科技有限公司 A kind of talk back equipment and its intercommunication means of communication based on wireless network
CN113572492A (en) * 2021-06-23 2021-10-29 力声通信股份有限公司 Novel communication equipment prevents falling digital intercom

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