CN201616895U - Sound cavity and electronic equipment - Google Patents

Abstract

The utility model discloses a sound cavity and electronic equipment, which relate to the field of receivers, and are designed to solve the voice leakage of receivers. The sound cavity comprises a sound cavity body, wherein the sound cavity comprises a telephone receiver and a rear cavity body, a phonate hole is formed on the sound cavity wall corresponding to a vibrating diaphragm of the telephone receiver, at least one leakage hole is formed on the sound cavity wall of the rear cavity body, and the plane of the leakage hole is coincident or intersected with the plane of the phonate hole. The utility model further discloses the electronic equipment provided with the sound cavity. The sound cavity provided by the utility model is used for transmitting the sound of the electronic equipment.

Description

A kind of sound chamber and electronic equipment

Technical field

The utility model relates to a kind of receiver, relates in particular to the sound chamber in the receiver and has the electronic equipment in sound chamber.

Background technology

Receiver for equipment such as portable terminal, landline telephone or individual palmtop PCs all comprises the sound chamber, be provided with receiver in the body of sound chamber, offer phonate hole on the sound chamber wall of the vibrating diaphragm correspondence of receiver, propagate towards periphery, cause receiver to leak sound through the sound wave that phonate hole is propagated out.If receiver leaks the privacy that sound can influence conversation, also can cause noise jamming simultaneously to people on every side.

Leak the mail topic for solving receiver, in present application, the user is when conversation, if the other side's sound is very big, the user generally can only reduce sound and reveal by turning In Call down.But the sound that the method for turning volume down can make the user hear also diminishes, even the other side's that can not hear clearly information.

The utility model content

The utility model embodiment provides a kind of sound chamber, does not need to turn down In Call, also can reduce receiver and leak sound.

For solving the problems of the technologies described above, the utility model embodiment adopts following technical scheme:

A kind of sound chamber, comprise sound chamber body, comprise receiver and rear chamber in the body of sound chamber, offer phonate hole on the sound chamber wall of the vibrating diaphragm correspondence of receiver, offer at least one leak holes on the sound chamber wall of rear chamber, each plane, leak place and phonate hole place planes overlapping or crossing.

Adopt the sound chamber of technique scheme, the sound wave that the vibrating diaphragm both sides of receiver produce, the sound wave of one side directly propagates into the external world by phonate hole, the sound wave of opposite side is propagated in rear chamber, propagate into the external world by leak at last, because being tens hertz, the frequency of sound wave scope that the people sends in a minute arrives several KHz, the wavelength difference of various frequency sound waves, sound wave for certain frequency, in a certain position, propagate through leak and to come and to propagate the sound wave phase place of coming opposite for phonate hole, according to the principle of stacking of ripple away from the sound chamber, two row sound waves are cancelled out each other, thereby reduce the leakage of this frequency sound wave.And in this position the sound wave for other frequency, some frequency can obtain counteracting in various degree, the other frequency may obtain enhancing in various degree, but for the whole content of conversation, sound wave has been carried out upset in various degree, be not easy to be offered a clear explanation, thereby strengthened the privacy of conversation.

The utility model embodiment also provides a kind of electronic equipment, does not need to turn down In Call, also can reduce receiver and leak sound.

For solving the problems of the technologies described above, the utility model embodiment electronic equipment adopts following technical scheme:

A kind of electronic equipment, comprise sound chamber body, comprise receiver and rear chamber in the body of sound chamber, offer phonate hole on the sound chamber wall of the vibrating diaphragm correspondence of receiver, offer at least one leak holes on the sound chamber wall of rear chamber, each plane, leak place and phonate hole place planes overlapping or crossing.

Adopt the electronic equipment of technique scheme, the sound wave that the vibrating diaphragm both sides of receiver produce, the sound wave of one side directly propagates into the external world by phonate hole, the sound wave of opposite side is propagated in rear chamber, propagate into the external world by leak at last, because being tens hertz, the frequency of sound wave scope that the people sends in a minute arrives several KHz, the wavelength difference of various frequency sound waves, sound wave for certain frequency, in a certain position, propagate through leak and to come and to propagate the sound wave phase place of coming opposite for phonate hole, according to the principle of stacking of ripple away from the sound chamber, two row sound waves are cancelled out each other, thereby reduce the leakage of this frequency sound wave.And in this position the sound wave for other frequency, some frequency can obtain counteracting in various degree, the other frequency may obtain enhancing in various degree, but for the whole content of conversation, sound wave has been carried out upset in various degree, be not easy to be offered a clear explanation, thereby strengthened the privacy of conversation.

Description of drawings

Fig. 1 is the utility model embodiment audio cavity structure schematic diagram;

Fig. 2 is the position view of the utility model embodiment sound chamber leak and phonate hole;

Fig. 3 has the electronic equipment schematic diagram in sound chamber for the utility model embodiment.

Embodiment

The utility model aims to provide a kind of sound that can reduce and reveals, and strengthens the sound chamber and the electronic equipment of conversation privacy.Below in conjunction with accompanying drawing the utility model embodiment is described in detail.

As shown in Figure 1, a kind of sound chamber, comprise sound chamber body, comprise receiver 1 andrear chamber 2 in the body of sound chamber, receiver 1 surroundsrear chamber 2 with the interior sidetone chamber wall of sound chamber body,wall 6 places, sound chamber of vibratingdiaphragm 3 correspondences of receiver offerphonate hole 4, offer at least oneleak holes 5 on the sound chamber wall of rear chamber, each plane, leak place and phonate hole place planes overlapping or crossing.

The vibratingdiaphragm 3 of receiver is when vibration, the both sides of vibratingdiaphragm 3 all can produce sound wave, the sound wave of vibrating diaphragm one side ofphonate hole 4 correspondences directly propagates into the external world by phonate hole, the sound wave of vibrating diaphragm opposite side is propagated inrear chamber 2, propagate into the external world by leak at last, because being tens hertz, the frequency of sound wave scope that the people sends in a minute arrives several KHz, the wavelength difference of various frequency sound waves.Sound wave for certain frequency, in a certain position away from the sound chamber, propagate throughleak 5 and to come and to propagate the sound wave phase place of coming opposite forphonate hole 4, principle of stacking according to ripple, two row sound waves are cancelled out each other, thereby reduce the leakage of this frequency sound wave, and in this position the sound wave for other frequency, some frequency can obtain counteracting in various degree, the other frequency may obtain enhancing in various degree, but for the whole content of conversation, sound wave has been carried out upset in various degree, be not easy to be offered a clear explanation, thereby strengthened the privacy of conversation.Need to prove sound wave, may have compensation point in other positions for other frequencies.

Embodiment one

As shown in Figure 2, the position view offered of the leak in the utility model embodiment sound chamber and phonate hole.The utility model embodiment sound chamber, comprise sound chamber body, comprise receiver and rear chamber in the body of sound chamber,wall 6 places, sound chamber of the vibrating diaphragm correspondence of receiver offerphonate hole 4, the embodiment of the invention offers two leak holes, be respectively leak 501 andleak 502, each leak and phonate hole are opened in sound chamber wall homonymy, and two leaks are symmetrically distributed with respect to phonate hole.

Each leak and phonate hole are opened in sound chamber wall homonymy, be opened on the sound chamber wall different with respect to leak with phonate hole, the sound wave that leak is propagated out more is easy to generate the opposite position of phase place with the sound wave that phonate hole is propagated out, offsets thereby produce sound wave.

Further, the sound chamber of present embodiment, the center of each leak and the centre distance of phonate hole are the 5-13 millimeter, and each leak edge is the 3-7 millimeter to the beeline at phonate hole edge, and wherein each leak does not overlap with described phonate hole zone.The centre distance of the center of each leak and phonate hole is 13 millimeters in the present embodiment, and each leak edge is 7 millimeters to the beeline at phonate hole edge.

When conversation, when ear was pressed close to the sound chamber, the vibrating diaphragm of receiver, phonate hole and auricle formed a preceding cavity.The leak position of rear chamber should be as far as possible away from phonate hole, can generally be to balance out the sound wave that spreads out of from phonate hole from sound chamber 50 centimeters at far-end to guarantee leak, guarantees that simultaneously the sound wave that the user need receive is not cancelled.Rear chamber is offered two leaks, because there is certain distance (3-7 millimeter) between leak and the phonate hole, before ear is just in time blocked during cavity, theleak 501 and theleak 502 that can guarantee rear chamber all are exposed in the air, the sound wave of two leaks output all can be in various degree the counteracting sound wave of cavity output in the past, reach the purpose that prevents acoustical leakage; The ear off normal is blocked one of them leak 501 when conversation, because distance is bigger between the leak, also can spillsecond leak 502,leak 501 might be offset and seldom be measured the sound wave that outputs to user's ear fromphonate hole 4, the sound wave ofleak 502 outputs can be offset from phonate hole and be leaked into airborne sound wave, also can reach the purpose that prevents acoustical leakage.

Further, the sound chamber of present embodiment, the area of each leak is 0.2-0.25 a times of phonate hole area, the area of present embodiment leak is 0.2 times of phonate hole.Particularly, phonate hole be shaped as strip, leak be shaped as circle.

The area of leak is less than the area of phonate hole, to guarantee that the user can receive most sound wave.Leak is too small, then the sound wave of propagating out from leak seldom, can not be all or most of the counteracting need the sound wave of offsetting.Leak is crossed conference and is caused new call-information to reveal.And in concrete application, the equipment that phonate hole of the same area, the phonate hole of strip are more suitable for using this sound chamber carries out component placement.The leak area data that present embodiment provided be through experimental verification under the situation that does not influence normal talking, ear is pressed close to the ante-chamber body can make sound reveal minimum area.

Need to prove; the leak in the utility model sound chamber; be not limited to the cited form of above embodiment; any to leak holes position, shape and variation in number; for example leak is opened on the sound chamber wall vertical with sound chamber, phonate hole place wall, adopts square or circular or five-pointed star type, a hole of employing or three leak, all within the scope of this utility model protection.

The utility model embodiment also provides a kind of electronic equipment with sound chamber.

Embodiment two

As shown in Figure 3, this electronic equipment 8, comprise receiver 1 andrear chamber 2 in the body of sound chamber, receiver 1 surroundsrear chamber 2 with the interior sidetone chamber wall of sound chamber body,wall 6 places, sound chamber of vibratingdiaphragm 3 correspondences of receiver offerphonate hole 4, offer at least oneleak holes 5 on the sound chamber wall of rear chamber, each plane, leak place and phonate hole place planes overlapping or crossing.Particularly, electronic equipment of the present utility model can be the electronic equipment that portable terminal, individual palmtop PC or landline telephone etc. are used the sound chamber.

The sound wave that vibratingdiaphragm 3 both sides of the receiver of the utility model embodiment electronic equipment produce, the sound wave of one side directly propagates into the external world by phonate hole, the sound wave of opposite side is propagated inrear chamber 2, propagate into the external world by leak at last, because being tens hertz, the frequency of sound wave scope that the people sends in a minute arrives several KHz, the wavelength difference of various frequency sound waves, sound wave for certain frequency, in a certain position away from the sound chamber, propagate through leak and to come and to propagate the sound wave phase place of coming opposite for phonate hole, according to the principle of stacking of ripple, two row sound waves are cancelled out each other, thereby reduce the leakage of this frequency sound wave.And in this position the sound wave for other frequency, some frequency can obtain counteracting in various degree, the other frequency may obtain enhancing in various degree, but for the whole content of conversation, sound wave has been carried out upset in various degree, be not easy to be offered a clear explanation, thereby strengthened the privacy of conversation.

Further, the sound chamber of present embodiment electronic equipment has two leaks, is respectively leak 501 andleak 502, and each leak and phonate hole are opened in sound chamber wall homonymy, and two leaks are symmetrically distributed with respect to phonate hole.The center of each leak and the centre distance of phonate hole are the 5-13 millimeter, and each leak edge is the 3-7 millimeter to the beeline at phonate hole edge, and wherein each leak does not overlap with the phonate hole zone.The centre distance of the center of each leak and phonate hole is 13 millimeters in the present embodiment, and each leak edge is 7 millimeters to the beeline at phonate hole edge.

Each leak and phonate hole are opened in sound chamber wall homonymy, be opened in respect to leak on other sound chamber wall of sound chamber body, the sound wave that leak is propagated out more is easy to generate the opposite position of phase place with the sound wave that phonate hole is propagated out, offsets thereby produce sound wave.

When conversation, when ear was pressed close to the sound chamber, the vibrating diaphragm of receiver, phonate hole and auricle formed a preceding cavity.The leak position of rear chamber should be as far as possible away from phonate hole, can generally be to balance out the sound wave that spreads out of from phonate hole from sound chamber 50 centimeters at far-end to guarantee leak, guarantees that simultaneously the sound wave that the user need receive is not cancelled.Rear chamber is offered two leaks, because there is certain distance (3-7 millimeter) between leak and the phonate hole, before ear is just in time blocked during cavity, theleak 501 and theleak 502 that can guarantee rear chamber all are exposed in the air, the sound wave of two leaks output all can be in various degree the counteracting sound wave of cavity output in the past, reach the purpose that prevents acoustical leakage; The ear off normal is blocked one of them leak 501 when conversation, because distance is bigger between the leak, also can spillsecond leak 502,leak 501 might be offset and seldom be measured the sound wave that outputs to user's ear fromphonate hole 4, the sound wave ofleak 502 outputs can be offset from phonate hole and be leaked into airborne sound wave, also can reach the purpose that prevents acoustical leakage.

Further, the sound chamber of present embodiment electronic equipment, the area of each leak is 0.2-0.25 a times of phonate hole area, the area of present embodiment leak is 0.2 times of phonate hole.Particularly, phonate hole be shaped as strip, leak be shaped as circle.

The area of leak is less than the area of phonate hole, to guarantee that the user can receive most sound wave.Leak is too small, then the sound wave of propagating out from leak seldom, can not be all or most of the counteracting need the sound wave of offsetting.Leak is crossed conference and is caused new call-information to reveal.And in concrete application, phonate hole of the same area, the phonate hole of strip are more suitable for electronic equipment and carry out component placement.The leak area data that present embodiment provided be through experimental verification under the situation that does not influence normal talking, ear is pressed close to the ante-chamber body can make sound reveal minimum area.

The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.

Claims (10)

1. sound chamber, comprise sound chamber body, comprise receiver and rear chamber in the body of described sound chamber, offer phonate hole on the sound chamber wall of the vibrating diaphragm correspondence of described receiver, it is characterized in that, offer at least one leak holes on the sound chamber wall of described rear chamber, each plane, described leak place and described phonate hole place planes overlapping or crossing.

2. according to the described sound of claim 1 chamber, it is characterized in that each described leak and described phonate hole are opened in sound chamber wall homonymy.

3. according to the described sound of claim 2 chamber, it is characterized in that: the center of each described leak and the centre distance of described phonate hole are the 5-13 millimeter, each described leak edge is the 3-7 millimeter to the beeline at described phonate hole edge, and wherein each described leak does not overlap with described phonate hole region.

4. according to claim 1,2 or 3 described sound chambeies, it is characterized in that: the area of each described leak is 0.2-0.25 a times of described phonate hole area.

5. according to the described sound of claim 2 chamber, it is characterized in that: described at least one leak is two leaks, and described two leaks are symmetrically distributed with respect to described phonate hole.

6. electronic equipment, comprise sound chamber body, comprise receiver and rear chamber in the body of described sound chamber, offer phonate hole on the sound chamber wall of the vibrating diaphragm correspondence of described receiver, it is characterized in that, offer at least one leak holes on the sound chamber wall of described rear chamber, each plane, described leak place and described phonate hole place planes overlapping or crossing.

7. according to the described electronic equipment of claim 6, it is characterized in that: each described leak and described phonate hole are opened in sound chamber wall homonymy.

8. according to the described electronic equipment of claim 6, it is characterized in that: the center of each described leak and the centre distance of described phonate hole are the 5-13 millimeter, each described leak edge is the 3-7 millimeter to the beeline at described phonate hole edge, and wherein each described leak does not overlap with described phonate hole zone.

9. according to claim 6,7 or 8 described electronic equipments, it is characterized in that: the area of each described leak is 0.2-0.25 a times of described phonate hole area.

10. according to the described electronic equipment of claim 7, it is characterized in that: described at least one leak is two leaks, and described two leaks are symmetrically distributed with respect to described phonate hole.

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