CN208836355U - A kind of hand microphone speaker - Google Patents

Abstract

The utility model discloses a kind of hand microphone speakers, the intracorporal standing wave harmony short circuit problem of symmetric cavity can be overcome, it includes front and back shell component, main cavity is formed in the front and back shell component, the loudspeaker being oppositely arranged and vertically disposed vibrating diaphragm are installed in main chamber body, the sound baffle of both ends open is equipped between the loudspeaker being oppositely arranged, the sound baffle is used for so that the loudspeaker air-flow of left and right acoustic channels is empathized to enhance wave volume when the loudspeaker being oppositely arranged do work, overcome standing wave, solve the problems, such as acoustic short circuit of the left and right acoustic channels with respect to loudspeaker, vertically disposed vibrating diaphragm is open air-flow promotion for enhancing bass by sound baffle.

Description

A kind of hand microphone speaker

Technical field

The utility model relates to field of electronic device more particularly to a kind of hand microphone speakers.

Background technique

Conventional portable is very widely used and mature with the Baffle Box of Bluetooth that microphone makees call function, but speaker carries Mike Wind receives sound and can't directly play back out of ontology speaker, and the included microphone of usual speaker is only used as speaker connection Mobile phone wireless call, the common speaker for searching music bluetooth radio play manually use.To realize that Karaoke needs additional increase Add External microphone；Especially hand-held Baffle Box of Bluetooth in order to keep portability cabinet cannot accomplish sufficiently large therefore sound compared with It is small, therefore also it is not up to the effect played Karaoka.When sound box and microphone are integral type, after microphone receives sound Amplified low frequency is passed back to microphone circulation amplification by cavity and is easy to produce resonance, and high pitch is circulated through by space transmitting It is also easy to produce self-excitation after amplification to utter long and high-pitched sounds, is unable to normal use.

Certainly, the processing that simple slave physical structure angle makes simple damping, which changes frequency, prevents resonance from uttering long and high-pitched sounds, or logical It crosses and sacrifices volume decrease amount of bass to reduce the way uttered long and high-pitched sounds, but will cause speaker sound to accomplish sufficiently large be unable to reach well Karaoke sound quality volume experience effect.Audio standing waves (sound can be generated when in addition, generating left and right acoustic channels sound using two loudspeaker Frequency standing wave refers to two kinds of contrary audio waves of amplitude identical traffic, along a kind of nocuousness of distribution of transmission line form Wave is to cause audio chaotic, the unintelligible arch-criminal of sound) and acoustic short circuit (when referring to that the vibrating diaphragm of loudspeaker moves forwards or backwards Sound wave is reverse phase, is directed at sound wave and offsets each other) problem.

Therefore, how to accomplish conveniently to hold it is small and exquisite in the case where, handheld microphone speaker reached into Karaoke audio be badly in need of It solves.

Utility model content

In view of the above technical problems, the utility model embodiment provides a kind of hand microphone speaker.

A kind of hand microphone speaker, including front and back shell component form main cavity in the front and back shell component, The loudspeaker being oppositely arranged are installed in main chamber body, the sound baffle of both ends open is equipped between the loudspeaker being oppositely arranged, The sound baffle is used for so that the loudspeaker air-flow of left and right acoustic channels is empathized to enhance when the loudspeaker being oppositely arranged do work Wave volume.

Optionally, the sound baffle is plate-like, and the opening of the both ends setting of the sound baffle, wherein the opening of one end is bigger In the opening of the other end.

Optionally, the side of the open at one end of the sound baffle is equipped with vibrating diaphragm, and the vibrating diaphragm is for enhancing described opposite set The bass effect of left and right acoustic channels when the loudspeaker acting set.

Optionally, the vibrating diaphragm is located at the side of bigger one end of opening of the sound baffle, and the surface of the sound baffle It is perpendicular with the diaphragm surface.

Optionally, vibrating diaphragm pressing ring is additionally provided on the vibrating diaphragm, the middle part of the vibrating diaphragm pressing ring is in hollow form and the vibrating diaphragm Edge shape be adapted, for fixing the vibrating diaphragm.

It optionally, further include miaow core support device and miaow core, the miaow core support device is located at miaow core bottom, is used for For the microphone buffer damping, protection microphone internal precision part；The miaow core is fixed in the miaow core support device, The miaow core support device is placed in the hard card slot above main chamber body.

Optionally, the miaow core support device is made of soft materials, and the miaow core, which is sat, is set to the miaow core support device On.

Optionally, the miaow core support device includes main supporter and two secondary supporters, described two pair supporters point It is not concentric with the main supporter and in upper and lower level be arranged；Described two pair supporters are for preventing miaow core from shaking because of intrinsic center of gravity It shakes.

Optionally, further include control unit, Bluetooth circuit and wake-up switch key are integrated in described control unit, trigger The wake-up switch key may make the intelligent terminal connecting with the Bluetooth circuit to enable voice control state.

Optionally, it is also integrated with high-speed dsp integrated circuit in described control unit, for adjusting audio, realizes a variety of sounds Function is imitated, and anti-shift frequency and the elimination self-excitation resonance range of decrease of uttering long and high-pitched sounds；A variety of sound effect functions include: ECHO mode, reverberation pattern, Electric sound, Wa Wayin, the change of voice.

Hand microphone speaker provided by the utility model, it is straight-through symmetrical by solving the both ends open of sound baffle The acoustic short circuit problem of the intrinsic standing wave of cavity and left and right acoustic channels with respect to loudspeaker.

Detailed description of the invention

Fig. 1 is the schematic diagram of hand microphone speaker in the utility model embodiment；

Fig. 2 is the explosive view of hand microphone speaker in the utility model embodiment；

Fig. 3 is another explosive view of hand microphone speaker in the utility model embodiment；

Fig. 4 is the schematic diagram of miaow core support device in the utility model embodiment.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts The every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1 and Fig. 2, the hand microphone speaker that the utility model provides, including front and back shell component 1, institute State and form main cavity 11 in front and back shell component 1, for placing loudspeaker and sound baffle 2 in main chamber body 11, the loudspeaker 7 at Pair and opposite setting in main chamber body 11, the sound baffle 2 is between two loudspeaker 7 as shown in Figure 2.Sound baffle 2 Main chamber body 11 is divided into two sound chambers, described two loudspeaker 7 are located at one in described two sound chambers.In the master Microphone assembly 31 is equipped with above cavity 11.The microphone assembly 31 includes miaow core 32 and mesh enclosure component 33, the mesh enclosure group Part 33 covers on the miaow core 32.The lower section of the front and back shell component 1 is handle portion, and the hand portion includes detachable electricity Pond and door 13 and cover board 14 and handle tube body 15, tail plug decoration 13, key cap 6.

In one embodiment, set in main chamber body 11 there are two loudspeaker 7, naturally it is also possible to be four loudspeaker or other at The loudspeaker of double numbers.By taking two loudspeaker as an example, the sound baffle 2 of both ends open, the sound barrier are equipped between the loudspeaker that are oppositely arranged Plate 2 is plate-like, both ends open 21/22, and the loudspeaker air-flow of left and right acoustic channels produces when may make the loudspeaker acting being oppositely arranged Raw sympathetic response is to enhance wave volume.

Specifically, in the main cavity 11 of sealing, when two 7 sounding of loudspeaker do work, the loudspeaker air-flow of left and right acoustic channels can be through Cross opening 21/22, the water conservancy diversion to another opposite cavity (two opposite cavity, by sound baffle at 2 both ends of intermediate sound baffle 2 isolation main cavities 11 formation) between empathize, to enhance wave volume.

In addition, the opening 21/22 that the both ends of the sound baffle 2 are arranged, wherein the opening 22 of one end is slightly larger than opening for the other end Mouth 21.Close to the opening end position of the sound baffle 2 it is additionally provided with vibrating diaphragm 9(passive radiator, for enhancing described be oppositely arranged The bass effect of left and right acoustic channels when loudspeaker do work), the vibrating diaphragm 9 is close to the position of opening 22.The surface of the sound baffle 2 and institute 9 perpendicular of vibrating diaphragm is stated, in this embodiment, what the sound baffle 2 in surface, that is, Fig. 2 of the sound baffle 2 at plate had Larger surface, and the surface of vibrating diaphragm 9 circular surface, surface both it is tangent, perpendicular；It is also understood that the sound Baffle 2 is set to perpendicular in the plane on 9 surface of vibrating diaphragm (9 surface of cutting vibrating diaphragm).

By the bigger of 22 design of opening, mainly allow by low frequency air-flow it is more, so as to push vibrating diaphragm 9 to enhance low Sound.The design method that this sound baffle 2 with both ends open 21/22 thoroughly solves some no sound baffles is easy left and right acoustic channels totally one Standing wave and left and right acoustic channels existing for cavity design with respect to loudspeaker acoustic short circuit problem, and this opening sound baffle 2 and vibrating diaphragm 9 match It closes, enhances high middle pitch and be equivalent to the cavity that left and right acoustic channels increase one times.

In addition, being additionally provided with vibrating diaphragm pressing ring 8 on the vibrating diaphragm 9, the middle part of the vibrating diaphragm pressing ring 8 is in hollow form and the vibration The edge shape of film 9 is adapted, for fixing the vibrating diaphragm 9.In the present embodiment, the vibrating diaphragm pressing ring 8 circlewise, passes through spiral shell Nail is fixed on the front and back shell component 1, and the vibrating diaphragm 9 is pressed on front and back shell component 1.

As can be seen from the above embodiments, it is set by erecting two stereo loudspeakers only 7, both ends is set among two loudspeaker The sound baffle 2 of opening, which solves, to be led directly to the intrinsic standing wave of symmetrical cavity (audio standing waves refers to that amplitude identical traffic is contrary Two kinds of audio waves are to cause audio chaotic along a kind of harmful wave of distribution of transmission line form, the unintelligible chief-criminal's misfortune of sound It is first) and left and right acoustic channels with respect to the acoustic short circuit of loudspeaker (the opposite counteracting of left and right acoustic channels sound) problem, the speaker cavity of left and right acoustic channels leads to The opening ventilation for crossing sound baffle 2 has been multiplexed the cavity of two loudspeaker 7 (for opposite main cavity 11, being divided by sound baffle 2), sound 2 side openings of baffle break the formation of standing wave well, and that improves sound quality making sound quality sound become clear and high resilience, two cavitys It is multiplexed to form sympathetic response expansion sound by sound baffle opening useful two cavity of air-flow of intercommunication, loudspeaker do total promotion vibrating diaphragm 9 and enhance Bass.

Please refer to Fig. 3 and Fig. 4, a kind of hand microphone speaker provided by the present application, including miaow core 32 and the support of miaow core Device 3, the miaow core support device 3 fix the miaow core 32 and are 32 damping of miaow core.The hand microphone speaker Further include front and back shell component 1, the miaow core 32 and miaow core support device 3 are arranged in the front and back shell component 1, and it is described before Shell component 1 is equipped with hard card slot 10 afterwards, and the miaow core support device 3 is fixed in the hard card slot 10.

Specifically, the miaow core support device 3, including the main supporter 31 made of soft material and secondary supporter 32, The pair supporter 32 is annularly set in 31 outside of main supporter, and the secondary supporter 32 passes through dowel 33 and institute Main supporter 31 is stated to be fixedly connected.Wherein, the dowel 33 is by the lateral main supporter in the secondary supporter 32 The laminar dowel 33 of 31 outside elongation moulding.

In one embodiment, the dowel 33 is hollow type dowel, has hollow hole on the dowel 33 as shown in Figure 2 34.Certainly in other embodiments, the dowel 33 is also possible to multiple other shapes with certain cross-sectional sizes of partition The muscle position of shape.

And the part that the main supporter 31 slightly protrudes from the secondary supporter 32 is used to support miaow core 32, in an embodiment party In formula, the miaow core 32 is stacked on the portion and is fixed using fixing piece, and the pair supporter 32 is used to support the main branch Support body 31.

Further, fixing muscle position is equipped in the hard card slot 10, the fixing muscle position is for fixing the secondary support Body 32.The fixing muscle position is that inside is formed and the protrusion muscle 12 of 32 external shape fits of the secondary supporter, the protrusion muscle 12 are formed In 10 inside of hard card slot.In this way when hand microphone speaker falls or shakes, active force acts on secondary branch first Next part active force is unloaded on support body 32, then active force can lay down effect via dowel 33,33 pulls shape of dowel Power and vibration bring sound wave.And main supporter 31 is then 32 buffer function power of miaow core in the vertical direction.

As seen from the above-described embodiment, 32 precision zero of support miaow core that miaow core support device 3 provided by the present application can be stable The maximum strength antidetonation of part, the another device and miaow core 32 are placed through screwed lock fastening to stack, therefore not by miaow core 32 The limitation of outer diameter adapts to the miaows cores such as the miaow core 32(moving-coil miaow core, dynamic iron miaow core, big vibration mould of fixed protection all size) etc., tool Body is as described below:

The main supporter 31 is cylinder, and the pair supporter 32 is annular, the section of the main supporter 31 and institute The section for stating secondary supporter 32 is concentric.

The main supporter 31 is equipped with the screw hole 35 through the supporter, and the screw hole 35 is for accommodating connection The screw of the main supporter 31 and the miaow core 32.

In one embodiment, the secondary supporter 32 settable one, it is settable multiple in other embodiments.Such as scheme In embodiment shown in 1, there are two pair supporter 32 settings: the pair supporter 32 includes main outer wheeled circle and secondary foreign steamer Formula circle, the thickness of wheeled circle is greater than the thickness of the secondary outer wheeled circle and the two and is arranged in upper and lower level outside the master.

In this embodiment, the upper and lower ends of main supporter 31 close to middle position design there are two concentric ring (i.e. Main outer wheeled circle and secondary outer wheeled circle, similar to the moulding of two wheel shapes), main supporter 31 and two pair supporters 32 it Between dowel 33 be in film-form (thickness is between 0.3mm-1.0mm), the structure of film-form is designed to that hollow out form is further Improve the elasticity of connection, enhance the effect of antivibration shatter-resistant, the size of dowel 33 can according to 32 type of miaow core carried and Adjustment.

The miaow core 32 is fixed on main 31 upper end center position of supporter in stacked form, vibrates when the vibration of hand-held handle When power is transmitted to secondary supporter 32, the dowel 33 of thin slice carries out tensile deformation and has melted vibration bring sound wave and strength, separately Leverage is played by two secondary supporters 32, the miaow core 32 at top is fixed on to the center circle position of main supporter 31 always. Hunting range control is in the spacing range of center circle and outer ring dowel 33.And dicycly pair supporter 32 is concentric in 720 degree Circle, it is ensured that miaow core 32 is comprehensive to be stabilized in concentric circles middle position, and any placed angle is attained by optimal anti seismic efficiency.

In addition, along the supporter side wall be inwardly additionally provided with for accommodate 32 lead of miaow core through sky 36.Pass through spiral shell After nail fixes main supporter 31 with miaow core 32, the lead of miaow core 32 extends to down described in through sky 36 and hand-held Mike The control unit of wind speaker connects.

In conclusion main supporter 31, secondary supporter 32 are fixed on hard card slot when using the miaow core support device 3 In 10, two secondary supporters 32 are formed the branch of two 360 degrees omnidirections by thin slice hollow type dowel 33 on main supporter 31 Support, main supporter 31 are placed in the middle always, it is ensured that miaow core 32 is placed in the middle and avoids rocking big.When the microphone speaker for being equipped with this device When being fallen by external force vibration or fall, vibration wave is transmitted to main supporter 31, secondary supporter 32, thin slice hollow out by hard card slot 10 The softness of formula dowel 33 can carry out stretching variation according to the size of vibration wave, hit to offset harmful vibration and fall It hits, is effectively protected and protects miaow core 32.

With continued reference to Fig. 1 and Fig. 2, the hand microphone speaker further includes control unit 4, described control unit 4 On be integrated with Bluetooth circuit, wake-up switch key and high-speed dsp integrated circuit.Microphone assembly 31 receive after audio by Circuit DSP component carry out audio processing increase Karaoke audio (integrated circuit be AP8224 AP8248 8264DSP or reverberation IC 2399) after modifying sound, with accompaniment (accompaniment be wirelessly input to connect wired input two ways with conducting wire for bluetooth) into Row is mixed output to power amplifier progress power amplification and directly plays back through loudspeaker 7, realizes karaoke effect.

In one embodiment, sound conduction generates resonance after circulation amplification to microphone (miaow core), and high pitch passes through space Radiation is easy to produce self-excitation problem after circulation amplification, and AP8224C, AP8248 or AP8264 series of high speed DSP collection are used in design Confirm that IC interior frequency shift circuit executes processing when occurring self-excitation and resonance tendency at detecting operation is carried out inside circuit It draws up and utters long and high-pitched sounds, IC interior range of decrease processing of circuit resonance problem；In the loud enough and undistorted situation that ensure that product Reach KTV effect.It eliminates to utter long and high-pitched sounds with the detecting operation control inhibition of high-speed dsp integrated circuit and simplifies main chamber with resonance problem 11 structure of body, another high-speed dsp integrated circuit are also used to adjust audio, realize a variety of sound effect functions, such as: ECHO mode, reverberation mould The audios such as formula, electric sound, Wa Wayin, the change of voice.

Further, triggering the wake-up switch key may make the intelligent terminal connecting with the Bluetooth circuit to enable language Sound state of a control.Specifically, the Bluetooth circuit of hand microphone speaker and smart phone are wirelessly connected, in the control of Bluetooth circuit A wake-up switch key is designed on pin processed, and instruction control is sent by bluetooth module when pressing the key and wakes up intelligence The APP of energy terminal (such as mobile phone or plate) enters speech recognition state, can acquire voice by miaow core 32 at this time and pass through The APP that bluetooth is sent to intelligent terminal carries out song, Web content etc. on identification search network, and the APP of intelligent terminal is carried out It wirelessly passes back and is played on hand microphone speaker, to realize the song on AI intelligent sound program request network or the sound on network Frequency file, or the functions such as the other software that are equipped on intelligent terminal are opened, or are made a phone call.

The application, which cleverly passes through bluetooth connection intelligent terminal control APP, realizes ordering song by voice K song, the reality of least cost Artificial intelligent voice Kara OK function is showed, has led the AI intelligent entertainment new experience of user experience forefront, expand product Application range can also can be used to teach except may be implemented to play Karaoka with teacher such as, and tour guide can be used to explain and amplify, It can be used for being broadcast live, listen to music, playing speech on demand, recording audio etc..

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (10)

1. a kind of hand microphone speaker, which is characterized in that including front and back shell component, form master in the front and back shell component Cavity is equipped with the loudspeaker being oppositely arranged in main chamber body, the sound of both ends open is equipped between the loudspeaker being oppositely arranged Baffle, the sound baffle be used for so that it is described be oppositely arranged loudspeaker acting when left and right acoustic channels loudspeaker air-flow empathize to Enhance wave volume.

2. hand microphone speaker according to claim 1, which is characterized in that the sound baffle is plate-like, the sound The opening of the both ends setting of baffle, wherein the opening of one end is slightly larger than the opening of the other end.

3. hand microphone speaker according to claim 1 or 2, which is characterized in that the open at one end of the sound baffle Side be equipped with vibrating diaphragm, the bass effect of left and right acoustic channels when the vibrating diaphragm is used to enhance the loudspeaker acting being oppositely arranged.

4. hand microphone speaker according to claim 3, which is characterized in that the vibrating diaphragm is located at the sound baffle Be open the side of bigger one end, and the surface of the sound baffle and the diaphragm surface are perpendicular.

5. hand microphone speaker according to claim 4, which is characterized in that be additionally provided with vibrating diaphragm pressure on the vibrating diaphragm The middle part of circle, the vibrating diaphragm pressing ring is adapted in hollow form, with the edge shape of the vibrating diaphragm, for fixing the vibrating diaphragm.

6. hand microphone speaker according to claim 1, which is characterized in that further include miaow core support device and miaow Core, the miaow core support device are located at miaow core bottom, for being the miaow core bumper and absorbing shock, protection microphone internal precision Part；The miaow core is fixed in the miaow core support device, and the miaow core support device is placed in above main chamber body In hard card slot.

7. hand microphone speaker according to claim 6, which is characterized in that the miaow core support device is soft material Matter is made, and the miaow core, which is sat, to be set on the miaow core support device.

8. hand microphone speaker according to claim 6, which is characterized in that the miaow core support device includes main branch Support body and two secondary supporters, described two pair supporters are concentric with the main supporter respectively and are arranged in upper and lower level；Institute Two secondary supporters are stated for preventing miaow core from rocking because of intrinsic center of gravity.

9. hand microphone speaker according to claim 1, which is characterized in that it further include control unit, the control Bluetooth circuit and wake-up switch key are integrated on unit, triggering the wake-up switch key may make and Bluetooth circuit company The intelligent terminal connect enables voice control state.

10. hand microphone speaker according to claim 1, which is characterized in that be also integrated in described control unit High-speed dsp integrated circuit realizes a variety of sound effect functions, and anti-shift frequency and the elimination self-excitation resonance range of decrease of uttering long and high-pitched sounds for adjusting audio；

A variety of sound effect functions include: ECHO mode, reverberation pattern, electric sound, Wa Wayin, the change of voice.