CN205754306U

CN205754306U - micro-interphone

Info

Publication number: CN205754306U
Application number: CN201620611055.0U
Authority: CN
Inventors: 陆李
Original assignee: Individual
Current assignee: Sinorise Technology (shenzhen) Co Ltd
Priority date: 2016-06-21
Filing date: 2016-06-21
Publication date: 2016-11-30
Anticipated expiration: 2026-06-21

Abstract

The utility model discloses a kind of micro-interphone, including face-piece, display module, main control board, battery, drain pan and antenna, back splint is screwed on drain pan, display module includes showing eyeglass and LED display, display eyeglass is positioned at LED display upper end, and display eyeglass uses translucent glass, and main control board includes main control module, power supply processing module, radiofrequency signal module, voice transmitting-receiving and processing module, display module, locating module and radio module；Radiofrequency signal module and voice transmitting-receiving and processing module and antenna electric are connected, and voice transmitting-receiving and processing module electrically connect with 2.5MM earphone socket.This utility model does not use built-in loudspeaker, but directly connects earphone cord by the earphone socket of 2.5MM, carries out output and the input of audio frequency, substantially reduces the volume of whole transmitter receiver；Radio module is set, FM radio can be listened in the gap of transmitter receiver, enhance recreational.

Description

Micro-interphone

Technical field

This utility model relates to wireless communication technique field, particularly relates to a kind of micro-interphone.

Background technology

Transmitter receiver is a kind of half duplex mobile communications instrument, in the case of need not any network support, it is possible to logical Words, do not have telephone expenses to produce, it is adaptable to the occasion being relatively fixed and frequently conversing.Traditional transmitter receiver is a kind of transceiving Device, is mainly characterized by half-duplex channel and presses the button and just can send voice, as short haul connection and mobile dispatch control Important tool, society industry-by-industry be all widely used.Now, transmitter receiver on the market all uses built-in loudspeaker, because of This volume is bigger, heavy, it has not been convenient to carry.

Utility model content

For weak point present in above-mentioned technology, this utility model provides a kind of volume little, it is simple to carry, during outward appearance Still, the micro-interphone of diverse in function.

For achieving the above object, this utility model provides a kind of micro-interphone, including face-piece, display module, master control electricity Road plate, battery, drain pan and back splint；Described main control board is provided with the 2.5MM earphone socket being only used for voice output, institute Stating the display eyeglass on display module is translucent PMMA material, and the fixing end of described back splint is provided with the extension that curves inwardly Hook structure, described hook structure is provided with manhole, and this hook structure is through the strip through hole on drain pan, described circle Through hole is corresponding with the position of the screw hole position of bottom shell, and is fixed by screw adaptation；Arrange on the movable end of described back splint There are boss, described boss and drain pan movable contact.

Wherein, described main control board being additionally provided with USB socket, described drain pan is provided with 2.5MM earpiece holes and USB Hole, described 2.5MM earpiece holes is adaptive with 2.5MM earphone socket position, and described USB socket is adaptive with USB hole site, described 2.5MM earphone socket electrically connects with the voice transmitting-receiving on main control board and processing module and radio module respectively, described voice Transmitting-receiving and processing module electrically connect with radio module, and described radio module is all electric with main control module with voice transmitting-receiving and processing module Connect.

Wherein, described display module also includes LED display, and described LED display is fixed on main control board, described Display eyeglass is positioned at the top of LED display, and described LED display electrically connects with the display module on main control board；Described Display module electrically connects with main control module.

Wherein, described main control board also includes radio-frequency signal processing module, power supply processing module and locating module, described Radio-frequency signal processing module, power supply processing module and locating module electrically connect with main control module.

Wherein, described display eyeglass is arranged on the escutcheon fixed bit of face-piece, and the outer edge of described display eyeglass is provided with Function button, described main control board is fixed with key switch, and described function button is mechanically connected with key switch.

The beneficial effects of the utility model: compared with prior art, the micro-interphone that this utility model provides, do not adopt Use built-in loudspeaker, but directly by the earphone interface of 2.5MM, by the connection of earphone cord, carry out output and the input of audio frequency, And use internal fastening type back splint thus to substantially reduce the volume of whole transmitter receiver, and be provided with function button, can complete The function such as switching on and shutting down, communication setting；Additionally, this utility model also sets up radio module, FM audio frequency can be listened in the gap of intercommunication, Add amusement function.

Accompanying drawing explanation

Fig. 1 is the transmitter receiver structural blast figure of embodiment of the present utility model；

Fig. 2 is the transmitter receiver constitutional diagram of embodiment of the present utility model；

Fig. 3 is the transmitter receiver side view of embodiment of the present utility model；

Fig. 4 is the main control board structured flowchart of embodiment of the present utility model；

Fig. 5 is the main control board part-structure block diagram of embodiment of the present utility model.

Main element symbol description is as follows:

1, face-piece 2, display module

3, main control board 4, battery

5, drain pan 6, back splint

7, antenna 8, screw

11, escutcheon fixed bit 12, escutcheon

21, display eyeglass 22, LED display

31, main control module 32, power supply processing module

33, radiofrequency signal module 34, voice transmitting-receiving and processing module

35, display module 36, locating module

37, radio module 51,2.5MM earpiece holes

52, USB hole 61, hook structure

62, movable end 211, function button

301,2.5MM earphone socket 302, USB socket

303, key switch

331, radio frequency low pass filter 332, radio frequency send amplifier

333, radio frequency receiver 341, reception frequency modulation phase demodulation and squelch circuit

342, audio frequency processing circuit 343, transmitting decoder

344, speech modulating signal processor 611, manhole

621, boss.

Detailed description of the invention

In order to more clearly state this utility model, below in conjunction with the accompanying drawings this utility model is further described.

Referring to Fig. 1-3, a kind of micro-interphone of the present utility model, including face-piece 1, display module 2, main control board 3, battery 4, drain pan 5, back splint 6 and antenna 7, face-piece 1 and drain pan 5 enclose a closed cavity, display group by buckle structure Part 2, main control board 3, battery 4 are all contained in closed cavity, and back splint 6 is the arcuate structure of internal fastening type, the most streamlined, More aesthetically pleasing, drain pan 5 is provided with a strip through hole (not shown) and screw hole position (not shown), and the fixing end of back splint 6 sets Being equipped with the hook structure 61 extended that curves inwardly, hook structure 61 is provided with manhole 611, and this hook structure 61 is through strip Shape through hole, and screw hole position is adaptive with manhole 611, and fixed by screw 8, the movable end 62 of back splint 6 is provided with convex Platform 621, boss 621 and drain pan 5 movable contact, be conveniently clipped in whole micro-interphone on belt or clothes.

In this example it is shown that assembly 2 includes showing that eyeglass 21 and LED display 22, display eyeglass 21 are positioned at LED and show The top of display screen 22, LED display 22 is fixed on main control board 3, and display eyeglass 21 is fixed in escutcheon fixed bit 11, Escutcheon fixed bit 11 periphery is provided with escutcheon 12, and this escutcheon 12 is hollow-core construction, and display eyeglass 21 is exposed on face-piece 1, In the present embodiment, LED display 22 is internally provided with the LED of active illuminating and every the display frame of light, in the present embodiment, and display Eyeglass 21 is translucent lucite, i.e. PMMA(polymethyl methacrylate) material, this display eyeglass 21 is positioned at LED and shows Above screen 22, not only ensure that but also do not affect display function that the luminous LCD of nothing of traditional transmitter receiver many employings passive type needs attractive in appearance Backrest light source igniting, can show, therefore there is the determination that brightness is low and contrast is relatively low, especially under strong light environment, is difficult to Seeing display content clearly, this utility model uses LED active illuminating mode, just possesses the advantage that brightness is high, contrast is high, even if Under high light, also can be apparent from showing content.

In this example it is shown that be additionally provided with multiple function button 211 on eyeglass 21, display eyeglass 21 is tetragon, These function buttons 211 can be distributed on the four edges of display eyeglass 21, main control board 3 is provided with and shows eyeglass 21 The key switch 303 that function button 211 is mechanically connected, these key switches 303 electrically connect with main control module 31, when pressing lightly on Function button 211, then corresponding function button 211 deforms upon, and signal sends main control module 31 to, makes micro-interphone realize Corresponding function, in the present embodiment, these function buttons 211 can be used to carry out communication channel, arrange volume, switching on and shutting down, tune The function of joint radio reception frequency.

Referring to Fig. 4, in the present embodiment, main control board 3 includes main control module 31, power supply processing module 32, radio frequency Signaling module 33, voice transmitting-receiving and processing module 34, display module 35, locating module 36 and radio module 37, power supply processes mould Block 32 electrically connects with battery 4, and radio-frequency signal processing module 33 and voice transmitting-receiving and processing module 34 and antenna 6 electrically connect, it is achieved Transmitter receiver intercommunication, receives the function of signal, and voice transmitting-receiving and processing module 34 and radio module 37 electrically connect, it is achieved listen to FM frequency The function in road, display module 35 electrically connects with LED display 22, and power supply processing module 32, voice transmitting-receiving and processing module 34, Display module 35 and locating module 36 electrically connect with main control module 31 the most respectively.

Referring to Fig. 5, in the present embodiment, radiofrequency signal module 33 includes that radio frequency low pass filter 331, radio frequency send and puts Big device 332 and radio frequency receiver 333, and electrically connect with radio frequency low pass filter 331 while that radio frequency receiver 333 being gone back, voice is received Send out and processing module 34 includes receiving frequency modulation phase demodulation and squelch circuit 341, audio frequency processing circuit 342, launching decoder 343 and language Tone signal processing device 344, radio frequency receiver 333 electrically connects with reception frequency modulation phase demodulation and squelch circuit 341, it is achieved voice Receive and function of radio receiver, launch decoder 344 and electrically connect with radio-frequency transmissions amplifier 332, it is achieved the sending function of voice, and language Speech modulating signal processor 343 in sound transmitting-receiving and processing module 34 electrically connects with 2.5MM earphone socket 301.

The transmitter receiver of prior art is both provided with built-in loudspeaker, i.e. public address equipment, by public address equipment by audio external play, but It is that transmitter receiver uses now the most in public, unsuitable for putting outside sound, therefore in the present embodiment, in being not provided with The megaphone put, carries out sound input and output only with 2.5MM earphone socket 301, and user can only be by connecting earphone cord Carrying out conversing and the answering of FM channel, not only talking mode is the most civilized, and without built-in loudspeaker, greatly reduces transmitter receiver Volume and weight, make it possible to arrange lighter, thinner, there is function of radio receiver, user can at one's leisure between receive wide Broadcast, enhance recreational.

In the present embodiment, main control board 3 is provided with locating module 36, locating module 36 include GPS module or Big-dipper satellite module, is possible not only to allow them know the position of transmitter receiver by locating module 36, it is also possible to receive their position Confidence ceases, the map of cooperated with LED display screen 22 or the display of coordinate, allows the people of use transmitter receiver understand the concrete position of companions Confidence ceases, and further facilitates communication.

In the present embodiment, the radio-frequency signal processing module 33 arranged on main control board 3, it is also possible to remote service Device (not shown) wireless connections, can communicate wirelessly to remote server, it is provided that the position coordinates of oneself, Terminal Server Client (not shown), by connecting remote server, can be grasped the positional information of all uses this transmitter receiver people, and is distributed in not The transmitter receiver of co-located sends relevant information, is more conducive to link up and exchange.

In the present embodiment, drain pan 5 is provided with 2.5MM earpiece holes 51 and USB hole 52,2.5MM earpiece holes 51 with 2.5MM earphone socket 301 is adaptive, and USB hole 52 is adaptive with USB socket 302, USB socket 302 and the master control mould of main control board 3 Block 31 electrically connects, and for data transmission or charges to battery 4.

Advantage of the present utility model is:

1) volume is little, light, is convenient for carrying, and does not use built-in loudspeaker, is directly carried out the output of audio frequency by earphone cord With input, so substantially reduce the volume of whole transmitter receiver, and back splint is set, be convenient for carrying, be shaped to streamlined, during outward appearance Still；

2) easy to use, by function button, whole transmitter receiver is carried out operation setting, use the most flexible；

3) diverse in function, is provided with locating module, it will be appreciated that oneself and the position coordinates of companion, and and Terminal Server Client Carry out communication, link up more convenient.

Only several specific embodiments of the present utility model disclosed above, but this utility model is not limited to this, The changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.

Claims

1. a micro-interphone, it is characterised in that include face-piece, display module, main control board, battery, drain pan and back splint； Described main control board is provided with the 2.5MM earphone socket being only used for voice output, the display mirror on described display module Sheet is translucent PMMA material, and the fixing end of described back splint is provided with the hook structure extended that curves inwardly, and described hook is tied Structure is provided with manhole, and this hook structure is through the spiral shell of the strip through hole on drain pan, described manhole and bottom shell The position of silk position, hole is corresponding, and is fixed by screw adaptation；Boss, described boss and the end it is provided with on the movable end of described back splint Shell movable contact.

Micro-interphone the most according to claim 1, it is characterised in that be additionally provided with USB on described main control board and insert Seat, described drain pan is provided with 2.5MM earpiece holes and USB hole, and described 2.5MM earpiece holes is adaptive with 2.5MM earphone socket position, institute State USB socket and USB hole site adaptive, described 2.5MM earphone socket respectively with the voice transmitting-receiving on main control board and process Module and radio module electrically connect, and described voice transmitting-receiving and processing module electrically connect with radio module, described radio module and language Sound transmitting-receiving and processing module all electrically connect with main control module.

Micro-interphone the most according to claim 1, it is characterised in that described display module also includes LED display, institute Stating LED display to be fixed on main control board, described display eyeglass is positioned at the top of LED display, described LED display with Display module electrical connection on main control board；Described display module electrically connects with main control module.

Micro-interphone the most according to claim 1, it is characterised in that described main control board also includes at radiofrequency signal Reason module, power supply processing module and locating module, described radio-frequency signal processing module, power supply processing module and locating module and master Control module electrical connection.

Micro-interphone the most according to claim 3, it is characterised in that described display eyeglass is arranged on the escutcheon of face-piece On fixed bit, the outer edge of described display eyeglass is provided with function button, and described main control board is fixed with key switch, described Function button is mechanically connected with key switch.