CN206042363U - Capacitor microphone - Google Patents

Abstract

The utility model discloses a capacitor microphone, including optical pickup head, amplifier and the three needle body storehouses that connect gradually, the amplifier include amplifier housing with set up in amplification circuit board in the amplifier housing, three needle body storehouse internal fixations have the ground connection three -wire set that is used for external power supply, just optical pickup head's tail end with the top detachable fixed connection of amplifier, the tail end of amplifier with three needle body storehouse detachable fixed connection. Use the utility model provides a during capacitor microphone, because amplifier housing and optical pickup head and the equal detachable fixed connection in three needle body storehouses, and then when troubles such as optical pickup head, amplifier or ground connection three -wire set, be convenient for keep in repair or change optical pickup head, amplifier or ground connection three -wire set. And through setting up capacitor microphone into split type structure, effectively reduced its volume, and then reduced the space and occupy.

Description

A kind of condenser microphone

Technical field

This utility model is related to mike technique field, more particularly, it relates to a kind of condenser microphone.

Background technology

With the progress of society, growth in the living standard, masses are also increasingly to pay attention to culture diffusion, for propagation matchmaker The prescription more and more higher of Jie.Microphone as one of important medium, in many occasions such as meeting, performance, live, recording There is direct and important impact to source quality.

Microphone, is commonly called as mike, is the energy conversion device that acoustical signal is converted to the signal of telecommunication, also referred to as microphone, micro- Sound device.By initially inductance, condenser type conversion is gradually developed into by resistance conversion acoustic-electric, wherein condenser microphone is obtained microphone To widely using.

The directivity of condenser microphone its sound head often evaluates the important of microphone quality with the noise reduction of amplifier Index, as various occasions are more and more to the demand of microphone, different directivitys are also emerged in an endless stream with decrease of noise functions.So And, microphone common in the art is integral structure, and profile is more thick, more takes up room, and inconvenient maintenance.

In sum, how to efficiently solve microphone profile it is thick more take up room, inconvenient maintenance the problems such as, be mesh Front those skilled in the art's urgent problem.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of condenser microphone, and the structure of the condenser microphone sets Meter can efficiently solve the thick problem for more taking up room of microphone profile.

In order to achieve the above object, this utility model provides following technical scheme：

A kind of condenser microphone, including the sound head, amplifier and three needle body storehouses that are sequentially connected, the amplifier includes amplifying Device shell and the magnification circuit plate being arranged in the amplifier housing, are fixed with for external power supply in the three needle bodies storehouse It is grounded three pins；The tail end of the sound head is removably fixedly connected with the top of the amplifier, the tail end of the amplifier with The three needle bodies storehouse is removably fixedly connected.

Preferably, in above-mentioned condenser microphone, also female including interface, the female top of the interface has multiple ring-types recessed Groove, the tail end of the sound head are provided with the multiple thimbles for coordinating with the annular recess respectively, the female tail end of the interface and institute State magnification circuit plate to connect and make the circuit turn-on on the thimble and the magnification circuit plate.

Preferably, in above-mentioned condenser microphone, the cover plate that the tail end female with the interface is fixedly connected, the lid are also included The boss for being fixedly connected with the magnification circuit plate is provided with piece.

Preferably, in above-mentioned condenser microphone, the amplifier housing is ledrite shell, and the thimble is ledrite top Pin, the interface are female for lead and yellow-collation copper connecting mother.

Preferably, in above-mentioned condenser microphone, outside the top of the sound head and side wall, it is fixed with protection network.

Preferably, in above-mentioned condenser microphone, the sound head includes that super core shape points to sound head.

Preferably, in above-mentioned condenser microphone, the surface of three pins of the ground connection is provided with Gold plated Layer.

Preferably, in above-mentioned condenser microphone, the amplifier housing outer surface, the sound head outer surface and three pin External surface is provided with dumb light frosted layer of paint.

Preferably, in above-mentioned condenser microphone, the top in the three needle bodies storehouse is provided with and is connected with the magnification circuit plate The first screw-socket and the second screw-socket being connected with the amplifier housing.

Preferably, in above-mentioned condenser microphone, it is provided with the middle part of the three needle bodies storehouse for connecting three pins of the ground connection Three pin fixed screw mouths, offer through hole corresponding with the three pins fixed screw mouth on the amplifier housing.

The condenser microphone that this utility model is provided includes sound head, amplifier and the three needle body storehouses being sequentially connected.Wherein, put Big device includes amplifier housing and the magnification circuit plate being arranged in amplifier housing, is fixed with three pins of ground connection in three needle body storehouses, Three pins of ground connection are connected with power supply during use；The top of amplifier housing is removably fixedly connected with the tail end of sound head, is amplified The tail end of device shell is removably fixedly connected with three needle body storehouses.

Using this utility model provide condenser microphone when, due to amplifier housing it is removable with sound head and three needle body storehouses That what is unloaded is fixedly connected, and then in failures such as sound head, three pins of amplifier or ground connection, is easy to sound head, amplifier or ground connection three Pin is repaired or replaced.And by condenser microphone is set to split-type structural, effectively reduces its volume, and then reduce Space hold.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is a kind of structural representation of specific embodiment of condenser microphone that this utility model is provided；

Structural representations of the Fig. 2 for Fig. 1 middle pitch heads；

Fig. 3 is the female structural representation of interface in Fig. 1；

Fig. 4 is the structural representation of cover plate in Fig. 3；

Fig. 5 is the female interface surface structural representation of interface；

Fig. 6 is the structural representation of amplifier in Fig. 1；

Fig. 7 is the vertical section structure schematic diagram in three needle body storehouses in Fig. 1；

Fig. 8 is the cross-sectional structure schematic diagram in three needle body storehouses in Fig. 1.

In accompanying drawing, labelling is as follows：

Sound head 1, amplifier 2, three needle body storehouses 3, interface mother 4, sound head storehouse 11, sound head hold-down ring 12, baffle 13, front shroud pressure Tight ring 14,15,10.5 thimble 16 of sound crown pin, top net 17, amplifier housing 21, magnification circuit plate 22, the first screw-socket 31, the Two-screw mouth 32, three pin fixed screw mouths 33, cover plate 41.

Specific embodiment

This utility model embodiment discloses a kind of condenser microphone, in order to keep in repair, and reduces space hold.

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1-Fig. 8 is referred to, Fig. 1 shows for a kind of structure of specific embodiment of condenser microphone that this utility model is provided It is intended to；Structural representations of the Fig. 2 for Fig. 1 middle pitch heads；Fig. 3 is the female structural representation of interface in Fig. 1；Fig. 4 is cover plate in Fig. 3 Structural representation；Fig. 5 is the female interface surface structural representation of interface；Fig. 6 is the structural representation of amplifier in Fig. 1；Fig. 7 is figure The vertical section structure schematic diagram in three needle body storehouses in 1；Fig. 8 is the cross-sectional structure schematic diagram in three needle body storehouses in Fig. 1.

In a kind of specific embodiment, the condenser microphone that this utility model is provided includes the sound head 1 being sequentially connected, puts Big device 2 and three needle body storehouses 3.

Wherein, amplifier 2 includes amplifier housing 21 and the magnification circuit plate 22 being arranged in amplifier housing 21, specifically Amplifying circuit on magnification circuit plate 22 refer to prior art, and here is omitted.Ground connection three is fixed with three needle body storehouses 3 Three pins of ground connection are connected during use by pin with power supply.Certainly, the circuit communication on three pins of ground connection and magnification circuit plate 22.Tool Body, the surface for being grounded three pins can arrange Gold plated Layer, and then increase its sensitivity and corrosion resistance.The structure of sound head 1 is concrete Prior art is referred to, here is omitted.As needed, sound head 1 can be all referring to first-class to, cardioid, strong directing sound, it is excellent The employing super core shape of choosing points to sound head.Certainly, sound head 1 should be electrically connected with the circuit on magnification circuit plate 22, such as pass through sound head 1 Thimble 15 and amplifier 2 on contact connecting circuit etc..

The top of amplifier housing 21 is removably fixedly connected with the tail end of sound head 1, the tail end of amplifier housing 21 with Three needle body storehouses 3 are removably fixedly connected.Namely amplifier 2, sound head 1 and three needle body storehouses 3 are removably between any two It is fixedly connected, and then is easy to dismounting.Specific connected mode can be not construed as limiting, and detachably be consolidated using conventional in prior art Determine connected mode.Preferably, amplifier housing 21 can be threadedly coupled with sound head 1, connect simple and convenient and without the need for extra Take up room, external screw thread is such as set on amplifier housing 21, the tail end of sound head 1 arranges female thread accordingly.Certainly, according to need Want amplifier housing 21 adopt the connected modes such as clamping with sound head 1, specifically can be on amplifier housing 21 with sound head 1 It is respectively provided with buckle.Clamping is specifically as follows between amplifier housing 21 and three needle body storehouses 3 or by bolt or screw connection.Need It is noted that herein and the top that is mentioned below refers to 1 side direction of sound head, that is, the left direction shown in Fig. 1.Tail end is Refer to the opposite side relative with top of each part.

Using this utility model provide condenser microphone when, due to amplifier housing 21 it is equal with sound head 1 and three needle body storehouses 3 Removably it is fixedly connected, and then in failures such as sound head 1, three pins of amplifier 2 or ground connection, is easy to sound head 1, amplifier 2 Or three pins of ground connection are repaired or replaced.And by condenser microphone is set to split-type structural, its volume is effectively reduced, And then reduce space hold.

Further, in order to improve the performance of microphone, it is ensured that sound construction, interface mother 4, interface mother 4 can also be set Top there are multiple annular recess, the tail end of sound head 1 is provided with the multiple thimbles for coordinating with annular recess respectively, interface mother 4 Tail end be connected with 2 circuit board of amplifier and make the circuit turn-on on thimble and 2 circuit board of amplifier.Specifically, interface mother 4 can To arrange four ring interface mothers 4, i.e., by four annulus nestings, the end face structure of interface mother 4 is as shown in Figure 5.1 center of sound head can To arrange sound crown pin 15 accordingly, it is sheathed on outside sound crown pin 15 and 10.5 thimbles 16 can be set.By thimble and interface mother 4 Coordinate, on the one hand limit the relative position of sound head 1 and amplifier 2, then sound head 1 is fixedly connected with amplifier 2, such as screw thread connects Connect so that structure is more consolidated, while sound head 1 is connected with 2 circuit of amplifier by interface female 4, performance is relatively reliable.

Further, the tail end of interface mother 4 can arrange cover plate 41, and cover plate 41 is fixedly connected with interface mother 4, cover plate 41 On be provided with boss for being fixedly connected with magnification circuit plate 22.Magnification circuit plate 22 is specifically as follows removably with boss It is fixedly connected, is such as screwed, generally welds between cover plate 41 and interface mother 4.By the setting of cover plate 41, Ke Yiyou The interference of effect shielding interface 4 tail ends of mother, while being connected interface female 4 with magnification circuit plate 22 by cover plate 41, and causes sound head 1 Thimble 15 and magnification circuit plate 22 circuit communication, structure is more reliable.

On the basis of the various embodiments described above, the top in three needle body storehouses 3 is provided with first be connected with magnification circuit plate 22 Screw-socket 31 and the second screw-socket 32 being connected with amplifier housing 21.That is three needle body storehouses 3 and magnification circuit plate 22 Tail end can be fixedly connected with interface mother 4 by screw connection, the top of magnification circuit plate 22, so as to magnification circuit plate 22 is solid In amplifier housing 21.Certainly, magnification circuit plate 22 directly can also be fixed with amplifier housing 21 as needed.Three pins Body storehouse 3 and 22 shell of magnification circuit plate also screw connection.Specifically, five screw-sockets can be opened up in three needle body storehouses, 3 head, its In two be the second screw-socket 32 for being fixedly connected with magnification circuit plate 22, three are and 22 cage connection of magnification circuit plate The first screw-socket 31, the first screw-socket 31 specifically can be uniformly distributed along the circumference in three needle body storehouses 3, corresponding magnification circuit plate Screw-socket is opened up corresponding to the position of the first screw-socket 31 on 22 shells, in order to by 22 shell of magnification circuit plate and three needle body storehouses 3 are fixedly connected.

Further, for the ease of being grounded the fixed installation of three pins, the middle part in three needle body storehouses 3 can be provided for connection and connect Three pin fixed screw mouths 33 of three pins of ground, offer on amplifier housing 21 and three pin fixed screw mouths, 33 corresponding through hole.Rotation Play the fixed screw on three pins of ground connection so as to through leading on three pin fixed screw mouths 33 and corresponding amplifier housing 21 Hole, so as to three pins of ground connection, three needle body storehouses 3 and amplifier housing 21 are fixed.Certainly, other routines can also be passed through as needed Be fixedly connected mode or be removably fixedly connected mode by be grounded three pins fix with three needle body storehouses 3.But by the way Connection, is easy to operation, simple and reliable for structure, and is easy to keep in repair and changes being grounded when three pins etc. break down.

Specifically, amplifier housing 21 can be ledrite shell, and thimble 15 is ledrite thimble 15, and interface female 4 is lead Pyrite interface mother 4, can specifically adopt Hpb59-1 ledrites so that above-mentioned each structure has good hardness, excellent conduction Performance and good corrosion resistance.1 shell of sound head can also typically be ledrite shell.Certainly, above-mentioned each knot as needed Structure can also routinely be similar to material using other.

For effective protection sound head 1, can be in the top of sound head 1 and the outer fixed protection net of side wall.Concrete protection network can be with It is fixedly connected with 1 inwall of sound head.Protection network can include the top net 17 for being arranged at 1 top of sound head, and be arranged at 1 side wall of sound head Side net.Protection network typically adopts steel mesh, can also have the network structure of sufficient intensity using other as needed certainly.Pass through The setting of protection network, can play a part of to reduce noise while effective protection sound head 1.

In the various embodiments described above, sound head 1 is specifically as follows super core shape and points to sound head 1.I.e. sound head 1 includes what is set gradually Sound head storehouse 11, sound head body 12, sound crown pin 15, sound head hold-down ring 12, baffle 13,10.5 thimbles 16 and front shroud hold-down ring 14.Wherein, baffle 13 is generally lucite body, and the directivity of sound head body 12 is cardioid, and then after effectively can shielding Square noise.

Reflective during in order to avoid shooting, 21 outer surface of amplifier housing, 1 outer surface of sound head and three needle body storehouse outer surfaces are all provided with It is equipped with dumb light frosted layer of paint.Certainly, as needed, 21 outer surface of amplifier housing, 1 outer surface of sound head and three needle body outer surfaces Can be with pattern or other default coatings etc..

On the basis of the various embodiments described above, high-pass filtering circuit can be set on magnification circuit plate 22, that is, be amplified Circuit board 22 is the circuit board with high pass filter function.Specific high-pass filtering circuit refer to prior art, herein no longer Repeat.It is provided with amplifier housing 21 and switchs for the undercut for turning on or off high-pass filtering circuit.By accessing high pass Filter circuit, can effectively reduce 150Hz frequencies below sound.Switched by undercut, user can be conveniently selected as no general High-pass filtering circuit is connected, and that is to say the convenient switching between the undercut function of amplifier 2 and normal function.

In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.And the setting for interface mother 4, The setting of 1 protection network of sound head, the restriction of the type of sound head 1, the ground connection setting of three wire surface Gold plated Layer, refined tarry matter sand blasting enamelled coating Setting etc. can be separately provided or limit a kind of one or more, and the new technical scheme for thus constituting also should be in the application Protection domain in.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use that this practicality is new Type.Various modifications to these embodiments will be apparent for those skilled in the art, determined herein The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (10)

1. a kind of condenser microphone, including the sound head, amplifier and three needle body storehouses that are sequentially connected, the amplifier includes amplifier Shell and the magnification circuit plate being arranged in the amplifier housing, are fixed with connecing for external power supply in the three needle bodies storehouse Three pins of ground；Characterized in that, the tail end of the sound head is removably fixedly connected with the top of the amplifier, the amplifier Tail end be removably fixedly connected with the three needle bodies storehouse.

2. condenser microphone according to claim 1, it is characterised in that also female including interface, the female top of the interface With multiple annular recess, the tail end of the sound head is provided with the multiple thimbles for coordinating with the annular recess respectively, described to connect Mouthful female tail end is connected with the magnification circuit plate and makes the circuit turn-on on the thimble and the magnification circuit plate.

3. condenser microphone according to claim 2, it is characterised in that also include that the tail end female with the interface is fixedly connected Cover plate, be provided with the boss for being fixedly connected with the magnification circuit plate on the cover plate.

4. condenser microphone according to claim 3, it is characterised in that the amplifier housing is ledrite shell, institute It is ledrite thimble to state thimble, and it is that lead and yellow-collation copper connecting is female that the interface is female.

5. condenser microphone according to claim 1, it is characterised in that be fixed with outside the top of the sound head and side wall anti- Protecting wire net.

6. condenser microphone according to claim 5, it is characterised in that the sound head includes that super core shape points to sound head.

7. condenser microphone according to claim 1, it is characterised in that the surface of three pin of the ground connection is provided with gold-plated Layer.

8. condenser microphone according to claim 1, it is characterised in that the amplifier housing outer surface, the sound head Outer surface and the three needle bodies outer surface are provided with dumb light frosted layer of paint.

9. the condenser microphone according to any one of claim 1-8, it is characterised in that the top in the three needle bodies storehouse is arranged The second screw-socket for having the first screw-socket being connected with the magnification circuit plate and being connected with the amplifier housing.

10. condenser microphone according to claim 9, it is characterised in that be provided with the middle part of the three needle bodies storehouse for Three pin fixed screw mouths of connection three pins of the ground connection, it is right with the three pins fixed screw mouth to offer on the amplifier housing The through hole answered.