CN207720352U - A kind of language teaching multifunction microphone - Google Patents

Abstract

The utility model discloses a kind of language teaching multifunction microphone, structure includes：Microphone, mark, tone frequency channel wire, go out acoustic aperture, main body, limited block, fixed frame, regulating key, connector, power switch, microphone section is circular configuration and is horizontally installed to audio line front end and uses with main body be electrically connected, mark rectangular cross-section structure and level are tightly attached to main body front end, it uses inside tone frequency channel wire level insertion main body and with limited block and matches, the utility model main body is by metal back electrode, electret, dust-proof diaphragm, sound hole, metal washer, plastic washer, plastic stent, field-effect tube, metal shell, single-side brass plate, pin forms, it is flat to realize the amplitude-versus-frequency curve in audiorange, high sensitivity, noise is small, tone color is soft, not only output signal level is bigger but also distortion is small, transient response performance is good, be conducive to promote.

Description

A kind of language teaching multifunction microphone

Technical field

The utility model is a kind of language teaching multifunction microphone, belongs to multifunction microphone technical field.

Background technology

A kind of electroacoustic apparatus belongs to microphone, is the energy converter of acoustic-electric conversion, by being generated on sound wave effect to electroacoustic component Voltage, then switch to electric energy, it is used in various public address equipments, microphone type is various, and circuit is simple, and analysis microphone circuit is mainly grasped 2 points：Signal transmission loop is analyzed, fairly simple, analyzes various microphone input socket circuits；Microphone signal Amplifier Analysis, words Cylinder amplifier is a kind of small signal low noise audio amplifier, and analysis mike level control circuit is not difficult.

But prior art working characteristics is not sufficiently stable, and low-frequency range sensitivity declines with the increase of usage time, the service life It is shorter, cause to need DC power supply to cause when work inconvenient to use.

Utility model content

In view of the deficienciess of the prior art, the utility model aim is to provide a kind of language teaching multifunction microphone, It is not sufficiently stable with solving prior art working characteristics, low-frequency range sensitivity declines with the increase of usage time, and the service life compares It is short, cause to need DC power supply to cause inconvenient problem with use when work.

To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of language teaching use Multifunction microphone, structure include：Microphone, tone frequency channel wire, goes out acoustic aperture, main body, limited block, fixed frame, adjusting at mark Button, connector, power switch, the microphone section are circular configuration and are horizontally installed to audio line front end and and main body Using electrical connection, the mark rectangular cross-section structure and level is tightly attached to main body front end, the tone frequency channel wire level is embedding It becomes owner of internal body and with limited block using matching, is inside the hole horizontal insertion main body of speaking and with fixed frame Integral structure, the main body is conllinear with hole axle center of speaking, and the limited block is horizontally installed to tone frequency channel wire outer ring, the fixation Frame level is tightly attached to main body front end and is welded together, and the regulating key sets there are two and is uniformly installed on main body altogether Front end and using matching, the connector is embedded in main body inner upper end vertically, and the power switch, which is vertically fixed on, speaks Hole upper end, the main body is by metal back electrode, electret, dust-proof diaphragm, sound hole, metal washer, plastic washer, plastics branch Frame, field-effect tube, metal shell, single-side brass plate, pin composition, the metal back electrode are horizontally fixed on electret right end, The dust-proof diaphragm is horizontally installed to electret left end and is gap-matched with metal shell, and the sound hole is horizontally installed to In the middle part of dust-proof diaphragm rear end, the metal washer is set there are two and is uniformly installed on electret left end and is matched using interference altogether It closing, the plastic washer is conllinear with metal washer axle center, inside the plastic stent level insertion metal shell, the field-effect Pipe is horizontally fixed on pin left end and using electrical connection, and the single-side brass plate level is tightly attached to plastic stent right end, described There are two pin is set altogether and inside horizontal embedded plastic stent, the dust-proof diaphragm is conllinear with hole axle center of speaking.

Further, the fixed frame horizontal nest is in going out acoustic aperture outer ring and weld together.

Further, the microphone horizontal nest is in tone frequency channel wire outer ring.

Further, the fixed frame is integrated with main body.

Further, inside the power switch level insertion main body and using mechanical connection.

Further, the main body is electronic unit, and precision is high, easy to use.

Further, it is described go out acoustic aperture be plastic material.

Advantageous effect

It is flat to realize the amplitude-versus-frequency curve in audiorange for a kind of language teaching multifunction microphone of the utility model Smooth, high sensitivity, noise are small, tone color is soft, and not only output signal level is bigger but also distortion is small, and transient response performance is good, Be conducive to promote.

Description of the drawings

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural schematic diagram of language teaching multifunction microphone of the utility model.

Fig. 2 is a kind of main body sectional view of language teaching multifunction microphone of the utility model.

In figure：Microphone -1, tone frequency channel wire -3, goes out acoustic aperture -4, main body -5, limited block -6, fixed frame-at mark -2 7, regulating key -8, connector -9, power switch -10, metal back electrode -501, electret -502, dust-proof diaphragm -503, sound hole - 504, metal washer -505, plastic washer -506, plastic stent -507, field-effect tube -508, metal shell -509, one side applies copper Plate -510, pin -511.

Specific implementation mode

To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below In conjunction with specific implementation mode, the utility model is expanded on further.

It please refers to Fig.1, Fig. 2, the utility model provides a kind of language teaching multifunction microphone technical solution：Its structure packet It includes：Microphone 1, mark 2, tone frequency channel wire 3, go out acoustic aperture 4, main body 5, limited block 6, fixed frame 7, regulating key 8, connector 9, Power switch 10,1 section of the microphone are circular configuration and are horizontally installed to 3 front end of tone frequency channel wire and are used with main body 5 Electrical connection, 2 rectangular cross-section structure of the mark and level are tightly attached to 5 front end of main body, and the tone frequency channel wire 3 is horizontal embedded The inside of main body 5 and with limited block 6 using matching, it is described go out horizontal 5 inside of embedded main body of acoustic aperture 4 and and fixed frame 7 are integrated, and the main body 5 is conllinear with 4 axle center of acoustic aperture is gone out, and the limited block 6 is horizontally installed to 3 outer ring of tone frequency channel wire, 7 level of the fixed frame is tightly attached to 5 front end of main body and is welded together, the regulating key 8 set altogether there are two and uniformly It is installed on 5 front end of main body and uses and match, 5 inner upper end of vertical embedded main body of the connector 9, the power switch 10 are vertically fixed on out 4 upper end of acoustic aperture, and the main body 5 is by metal back electrode 501, electret 502, dust-proof diaphragm 503, sound hole 504, metal washer 505, plastic washer 506, plastic stent 507, field-effect tube 508, metal shell 509, single-side brass plate 510, pin 511 forms, and the metal back electrode 501 is horizontally fixed on 502 right end of electret, and the dust-proof diaphragm 503 is horizontal Be installed on 502 left end of electret and be gap-matched with metal shell 509, the sound hole 504 be horizontally installed to it is dust-proof every In the middle part of 503 rear end of film, the metal washer 505 sets there are two and is uniformly installed on 502 left end of electret and uses interference altogether Cooperation, the plastic washer 506 is conllinear with 505 axle center of metal washer, 507 level insertion metal shell 509 of the plastic stent Inside, the field-effect tube 508 are horizontally fixed on 511 left end of pin and using electrical connections, and the single-side brass plate 510 is horizontal Be tightly attached to 507 right end of plastic stent, the pin 511 set altogether there are two and horizontal embedded plastic stent 507 inside, it is described dust-proof Diaphragm 503 is conllinear with 4 axle center of acoustic aperture is gone out, and 7 horizontal nest of fixed frame is described in going out 4 outer ring of acoustic aperture and weld together 1 horizontal nest of microphone is integrated in 3 outer ring of tone frequency channel wire, the fixed frame 7 with main body 5, the power switch 10 Inside level insertion main body 5 and using mechanical connection, the main body is electronic unit, and precision height is easy to use, described It is plastic material to go out acoustic aperture.

5 power amplifier abbreviation power amplifier of the utility model main body, is commonly called as sound amplifier, is most basic in sound system set It is standby, its task is to be then in signal source professional sound system the ultra-weak electronic signal from sound console be amplified with drive Dynamic loud speaker makes a sound.

It is carried out with multifunction microphone in a kind of language teaching in use, by operating personnel by the power supply of 5 front end of main body The startup of switch 10 makes current electrifying, then matched with pin 511 by the field-effect tube 508 in 5 structure of main body make source of sound from Sound hole 504 flows out, and then being talked to microphone 1 by operating personnel's mouth makes sound source be broadcasted from the acoustic aperture 4 that goes out inside fixed frame 7, Realize that the flat amplitude-versus-frequency curve in audiorange, high sensitivity, noise are small, tone color is soft, not only output signal level Bigger and distortion is small, and transient response performance is good, is conducive to promote.

The utility model solves the problems, such as it is that prior art working characteristics is not sufficiently stable, when low-frequency range sensitivity is with using Between increase and decline, the service life is shorter, causes to need DC power supply to cause when work inconvenient to use, and the utility model passes through Above-mentioned component is combined with each other, and realizes that the flat amplitude-versus-frequency curve in audiorange, high sensitivity, noise are small, tone color is soft With, not only output signal level it is bigger and also distortion it is small, transient response performance is good, is conducive to promote.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (5)

1. a kind of language teaching multifunction microphone, structure include：Microphone (1), tone frequency channel wire (3), goes out mark (2) Acoustic aperture (4), main body (5), limited block (6), fixed frame (7), regulating key (8), connector (9), power switch (10), feature It is：

Microphone (1) section is circular configuration and is horizontally installed to tone frequency channel wire (3) front end and with main body (5) using electricity Connection, mark (2) rectangular cross-section structure and level are tightly attached to main body (5) front end, and the tone frequency channel wire (3) is horizontal Embedded main body (5) it is internal and with limited block (6) using matching, it is described go out the horizontal embedded main body (5) of acoustic aperture (4) it is internal And it is integrated with fixed frame (7), the main body (5) is conllinear with acoustic aperture (4) axle center is gone out, limited block (6) water Safety is loaded on tone frequency channel wire (3) outer ring, and fixed frame (7) level is tightly attached to main body (5) front end and is welded together, described Regulating key (8) sets there are two and is uniformly installed on main body (5) front end and altogether using matching, and the connector (9) is vertical Embedded main body (5) inner upper end, the power switch (10) are vertically fixed on out acoustic aperture (4) upper end；

The main body (5) is by metal back electrode (501), electret (502), dust-proof diaphragm (503), sound hole (504), metal gasket Enclose (505), plastic washer (506), plastic stent (507), field-effect tube (508), metal shell (509), single-side brass plate (510), pin (511) forms；

The metal back electrode (501) is horizontally fixed on electret (502) right end, and the dust-proof diaphragm (503) is horizontally installed to Electret (502) left end and be gap-matched with metal shell (509), the sound hole (504) be horizontally installed to it is dust-proof every In the middle part of film (503) rear end, the metal washer (505) sets there are two and is uniformly installed on electret (502) left end and adopts altogether With interference fit, the plastic washer (506) is conllinear with metal washer (505) axle center, and the plastic stent (507) is horizontal embedded Metal shell (509) is internal, and the field-effect tube (508) is horizontally fixed on pin (511) left end and using electrical connection, described Single-side brass plate (510) level is tightly attached to plastic stent (507) right end, the pin (511) set altogether there are two and it is horizontal embedded Plastic stent (507) is internal, and the dust-proof diaphragm (503) is conllinear with acoustic aperture (4) axle center is gone out.

2. a kind of language teaching multifunction microphone according to claim 1, it is characterised in that：Fixed frame (7) water It is flat to be nested in out acoustic aperture (4) outer ring and weld together.

3. a kind of language teaching multifunction microphone according to claim 1, it is characterised in that：Microphone (1) water It is flat to be nested in tone frequency channel wire (3) outer ring.

4. a kind of language teaching multifunction microphone according to claim 1, it is characterised in that：The fixed frame (7) with Main body (5) is integrated.

5. a kind of language teaching multifunction microphone according to claim 1, it is characterised in that：The power switch (10) The embedded main body (5) of level is internal and using mechanical connection.