CN214901277U

CN214901277U - Portable sound production device

Info

Publication number: CN214901277U
Application number: CN202120731157.7U
Authority: CN
Inventors: 李震; 姜宏亮; 陈龙
Original assignee: Goertek Inc
Current assignee: Goertek Inc
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-11-26
Anticipated expiration: 2031-04-09

Abstract

The embodiment of the application provides a portable sound generating device, which comprises a shell, a sound generating single body and a supporting arm. The shape of casing is cylindrical, be provided with the phonate hole on the terminal surface of casing, the sound production monomer set up in the casing, the free play sound side of sound production with the phonate hole is relative, the support arm set up in outside the casing, the direction of support arm with the free play sound direction of sound production has the contained angle. The embodiment of the application provides portable sound generating device is in the casing has set up the support arm that can extend outward, and portable sound generating device can support it respectively through casing and support arm dual mode for portable sound generating device has different sound production directions, and portable sound generating device's sound production is just under user's the condition, can increase portable sound generating device's loudness, improves the directive property of portable sound generating device when well high frequency sound production.

Description

Portable sound production device

Technical Field

The application belongs to the technical field of sound-electricity conversion, and particularly relates to a portable sound production device.

Background

With the continuous improvement of living standard of people, the sound box has become an indispensable electronic device in people's life as a main device for people to obtain high-quality sound. In order to improve the portability of the sound box while ensuring the sound quality of the sound box, more and more sound boxes tend to be arranged in a miniaturized manner. At present, the portable sound box has the following two problems: (1) only a loudspeaker with a smaller size can be installed, and the loudness of the sound box is restricted; (2) the directivity of the medium-high frequency sound is strong, and if the sound box is placed improperly, the medium-high frequency sound can be attenuated.

SUMMERY OF THE UTILITY MODEL

An object of the embodiments of the present application is to provide a new technical solution of a portable sound generating device.

According to a first aspect of the present application, there is provided a portable sound emitting device comprising:

the sound-emitting device comprises a shell, a sound-emitting hole and a sound-emitting component, wherein the shell is cylindrical, and the end face of the shell is provided with the sound-emitting hole;

the sounding unit is arranged in the shell, and the sounding side of the sounding unit is opposite to the sounding hole;

the support arm, the support arm set up in outside the casing, the extending direction of support arm with the free play sound direction of sound production has the contained angle.

Optionally, the support arm is detachably connected outside the housing.

Optionally, the support arm is movably connected outside the housing.

Optionally, a connecting assembly is arranged between the supporting arm and the shell, and the supporting arm and the shell are connected through the connecting assembly;

the connecting assembly comprises at least one of a magnetic attraction assembly, a clamping assembly and a fastening assembly.

Optionally, the housing is provided with a receiving groove for receiving the supporting arm;

one end of the supporting arm is rotatably connected in the accommodating groove, or one end of the supporting arm is slidably connected in the accommodating groove.

Optionally, the number of the supporting arms is two, and the two supporting arms are symmetrically arranged outside the housing.

Optionally, the housing groove extends along a peripheral side of the housing.

Optionally, still include the horn, one end of horn is connected to the play sound side of sound production monomer, the other end of horn is connected to the sound outlet.

Optionally, still include the sealing ring, the horn with the play sound side of sound production monomer passes through the sealing ring is connected fixedly.

Optionally, the housing is cylindrical, the housing includes a lower housing and an upper housing that are fastened to each other, and the plurality of sound holes are disposed on a top side of the upper housing.

One technical effect of the embodiment of the application is as follows:

the embodiment of the application provides a portable sound generating device, which comprises a shell, a sound generating single body and a supporting arm. The embodiment of the application provides portable sound generating device is in the casing has set up the support arm outward, passes through the support arm support casing during the use for the free play sound direction of sound production is towards the user, and then can reduce the decay of loudness, and can make well high frequency sound directional user.

Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

Fig. 1 is a first schematic structural diagram of a portable sound-generating device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a portable sound generating device according to an embodiment of the present disclosure;

FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a portable sound generating device according to an embodiment of the present disclosure;

fig. 5 is a graph comparing Frequency Response (FR) of an acoustic enclosure and a conventional acoustic enclosure according to an embodiment of the present invention.

Wherein: 1-a shell; 11-a sound outlet; 12-a lower shell; 13-upper shell; 14-a receiving groove; 2-a sound producing monomer; 3-horn; 4-a sealing ring; 5-a support arm; 6-a support seat; 7-support column.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Referring to fig. 1 to 3, an embodiment of the present application provides a portable sound generating device, including:

the sound generating device comprises a shell 1, a sound generating single body 2 and a supporting arm 5.

The shape of the shell 1 is cylindrical so as to improve the portability of the portable sound generating device, the end face of the shell 1 is provided with the sound outlet holes 11, the end face of the shell 1 is good in smoothness and consistency, and more sound outlet holes 11 can be arranged on the side face of the shell 1 or the sound outlet holes 11 with larger area can be arranged. For example, when the portable sound generating apparatus is placed upright, the bottom surface of the casing 1 may be a supporting surface, and the sound outlet 11 may be disposed on the top surface of the casing 1. The sounding monomer 2 is arranged in the shell 1, the sounding direction of the sounding monomer 2 is opposite to the sounding hole 11, and the sounding of the sounding monomer 2 is transmitted from the sounding hole 11 to the outside.

Support arm 5 set up in outside the casing 1, support arm 5 the extending direction with the play sound direction of sound production monomer 2 has the contained angle, support arm 5 is used for supporting casing 1, support arm 5's direction can be adjusted the play sound direction of sound production monomer 2.

The embodiment of the application provides portable sound generating device is in the casing has set up support arm 5 outward, and the extending direction of support arm 5 has the contained angle with the play sound direction of sound production monomer 2, passes through support arm 5 support housing 1 during the use for the play sound direction of sound production monomer 2 is towards the user, and then can reduce the decay of loudness, and can make well high frequency sound directional user.

Optionally, the support arm 5 is detachably connected to the outside of the housing 1.

Specifically, when the supporting arm 5 is detachably connected to the outside of the housing 1, for example, a threaded hole is formed in the outside of the housing 1, an external thread is formed at one end of the supporting arm 5, the supporting arm 5 can be screwed to the outside of the housing 1, and the supporting arm 5 can be switched between a connection state and a detachment state. When carrying, portable sound generating mechanism can follow support arm 5 is pulled down on the casing 1, portable sound generating mechanism can be connected to support arm 5 when using on the casing 1, the direction of support arm 5 this moment with the play sound direction of sound production monomer 2 has the contained angle for support housing 1 for the play sound direction of sound production monomer is towards the user.

Optionally, referring to fig. 4, the support arm 5 is movably connected outside the housing 1.

Specifically, when the supporting arm 5 is movably connected to the outside of the housing 1, for example, the supporting arm 5 is slidably connected to the outside of the housing 1, or the supporting arm 5 is rotatably connected to the outside of the housing 1, so that the supporting arm 5 has a storage state and a supporting state. When the portable sound generating device is carried, the support arm 5 is rotated or slid to fold the portable sound generating device, the support arm 5 is in a storage state at the moment, when the portable sound generating device is used, the support arm 5 is rotated or slid to take out the portable sound generating device, the support arm 5 is in a support state at the moment, and the direction of the support arm 5 and the sound emitting direction of the sound emitting monomer 2 form an included angle for supporting the shell 1, so that the sound emitting direction of the sound emitting monomer faces towards a user.

Optionally, a connecting assembly is arranged between the supporting arm 5 and the housing 1, and the supporting arm 5 and the housing 1 are connected through the connecting assembly;

Specifically, portable sound generating mechanism is when using, support arm 5 need be in accomodating the state and extending the state between switch, will through coupling assembling support arm 5 is fixed and is being accomodate the state and/or extend the state, if support arm 5 with set up magnetism between the casing 1 and inhale the subassembly, work as when support arm 5 is in the state of accomodating, magnetism inhale the subassembly will support arm 5 with casing 1 adsorbs together, need overcome certain adsorption affinity this moment, just can change support arm 5's state can prevent the maloperation.

Optionally, referring to fig. 3 and 4, the housing 1 is provided with a receiving slot 14 for receiving the supporting arm 5;

one end of the support arm 5 is rotatably connected in the accommodating groove 14, or one end of the support arm 5 is slidably connected in the accommodating groove 14.

Under the condition that the supporting arm 5 is in the accommodating state, the supporting arm 5 can be embedded in the accommodating groove 14, so that the outer surface of the shell 1 is flush, and the appearance of the portable sound generating device is improved on the basis of being convenient for a user to carry; under the condition that support arm 5 is in the extended state, specifically can with support arm 5's one end with accomodate the inslot 14 internal rotation or slide, support arm 5's the other end is in following accomodate the inslot 14 and take out, support arm 5 forms portable sound generating mechanism's support, alright in order to adjust portable sound generating mechanism's sound production direction. In addition, the support arm 5 may be directly movably connected to the outside of the housing 1 without providing the housing groove 14.

Optionally, the supporting arm 5 may also be an elastic arm, for example, the elastic arm is made of elastic rubber, elastic plastic or metal with better ductility, and the sound emitting direction of the portable sound emitting device can be flexibly adjusted by the bending angle and the bending direction of the elastic arm.

Alternatively, referring to fig. 2 and 4, the receiving groove 14 extends along the peripheral side of the housing 1. When the support arm 5 is received in the receiving groove 14, the support arm 5 also extends along the peripheral side of the housing 1 to ensure the compact structure of the portable sound generating device; when the supporting arm 5 is taken out of the accommodating groove 14, the supporting arm 5 can support the peripheral side of the casing 1 well, so that the stability of the portable sound generating device in lateral sound generation is ensured.

Alternatively, the number of the support arms 5 may be one, two, three, four or more. In a specific implementation mode, referring to fig. 4, the quantity of support arm 5 is two, two support arm 5 symmetry set up in outside casing 1, the quantity of accomodating groove 14 is two, every it is provided with one in the groove 14 to accomodate support arm 5, two support arm 5 forms the symmetrical structure of splayed when extending, can be right casing 1's week side forms stable support, guarantees portable sound generating mechanism's vocal direction is just right with the user, improves portable sound generating mechanism's directive property of sound production. In addition, in the case that the number of the receiving grooves 14 and the number of the supporting arms 5 are both one, the supporting arms 5 may be elastic arms, and the length of the elastic arms may be long, and the elastic arms may also stably support the housing 1 by being bent into an S shape when being extended.

Optionally, portable sound generating device still includes horn 3, the one end of horn 3 is connected to the play sound side of sound production monomer 2, the other end of horn 3 is connected to sound outlet 11, horn 3 is used for improving sound production efficiency of sound production monomer 2.

Specifically, referring to fig. 3, the horn 3 is horn-shaped, the smaller opening end of the horn 3 is connected to the sound output side of the sound generating unit 2, the larger opening end of the horn 3 is connected to the sound output hole 11, and the horn 3 forms a front horn. The play sound side of sound production monomer 2 is provided with the vibrating diaphragm, horn 3 can delay the decay rate of sound production monomer 2's sound production after leaving the vibrating diaphragm improves portable sound generating device's sensitivity level and loudness guarantee portable sound generating device's sound radiation and medium and high frequency audio performance. In addition, the quantity of sound outlet 11 can be one or more, and when sound outlet 11 was a plurality of, a plurality of sound outlet 11 can form the sound production screen panel, the other end of horn 3 and this sound production screen panel's zonulae occludens can improve the gas tightness of the sound production of sound production monomer 2 and the production of avoiding the antechamber effect.

Optionally, referring to fig. 3, the portable sound generating device further includes a sealing ring 4, and the horn 3 and the sound emitting side of the sound generating unit 2 are fixedly connected through the sealing ring 4.

Specifically, in order to ensure the efficiency of sound transmission in the horn 3, the horn 3 is generally made of hard plastic, and when the horn 3 is connected to the sound output side of the sounding unit 2, the hard material of the horn 3 is difficult to ensure the connection sealing property between the horn 3 and the sounding unit. Sealing ring 4 set up in horn 3 with when sounding monomer 2's play sound side between, sealing ring 4 can adopt flexible material such as cotton or rubber of bubble, so that horn 3 can with sealing ring 4 closely laminates, moreover sounding monomer 2's play sound side equally can with sealing ring 4 closely laminates, improves sounding monomer 2 with gas tightness between the horn 3.

Optionally, referring to fig. 1 to 4, the housing 1 is cylindrical, the housing 1 includes a lower housing 12 and an upper housing 13 that are fastened to each other, and the lower housing 12 and the upper housing 13 may be fastened or bonded; the sound outlet 11 set up in the top side of epitheca 13, sound production monomer 2 can be through a plurality of sound outlet 11 is followed the axial sound production of casing 1 has reduced the distortion of portable sound generating device tone quality. Optionally, referring to fig. 3, the sounding unit 2 is fixed to the bottom surface of the lower shell 12, and the sound outlet side of the sounding unit 2 is far away from the lower shell 12, so that the airflow in the horn 3 and the diaphragm of the sounding unit 2 move outwards in the same phase, thereby reducing the lower limit frequency of the portable sound generating apparatus.

Specifically, the portable sound generating device further comprises a supporting seat 6, and the sound generating unit 2 is fixed on the bottom surface of the lower shell 12 through the supporting seat 6. In a specific embodiment, referring to fig. 3, the supporting seat 6 is fixed on the bottom surface of the lower shell 12, a clamping groove is formed on the supporting seat 6, and the sounding unit 2 is clamped in the clamping groove, so that the sounding unit 2 can be stably positioned.

Optionally, referring to fig. 3, at least one support post 7 is disposed between the lower shell 12 and the upper shell 13. Casing 1 is setting up to mutual lock inferior valve 12 with behind the epitheca 13, can inferior valve 12 with conveniently will after the epitheca 13 separation sound production monomer 2 with horn 3 installs in casing 1. The snap-fit arrangement of the lower shell 12 and the upper shell 13 may reduce the overall stability and strength of the structure of the housing 1. And one end of the supporting column 7 may be fixed to the lower case 12, and the other end of the supporting column 7 may be fixed to the upper case 13, so as to ensure stability and structural strength of the housing 1.

Specifically, referring to fig. 3, the supporting columns 7 are arranged along the axial direction of the housing 1, the number of the supporting columns 7 may be one, two, three or more, and after the supporting columns 7 are connected to the lower housing 12 and the upper housing 13 along the axial direction of the housing 1, axial deviation between the lower housing 12 and the upper housing 13 may be avoided, and the structural stability of the housing 1 is ensured.

Fig. 5 shows a comparison of Frequency Response (FR) curves of the sound box provided by the embodiment of the present application and a conventional sound box. Wherein, traditional audio amplifier adopts Echo dot3 audio amplifier, and the audio amplifier that this application embodiment provided adopted and has the same box volume and the audio amplifier of equidimension speaker with Echo dot3 audio amplifier, and both's input power is 1W. The test distance of the sound box and the Echo dot3 sound box provided by the embodiment of the application is 1m, and the frequency responses of the sound box and the Echo dot3 sound box are obtained by measuring the sound production directions of the front surfaces of the sound box and the Echo dot3 sound box.

It can be seen from fig. 5 that the sound box provided by the embodiment of the present application has a sound pressure level at a frequency point of 1000Hz of about 85.79dB, and the sound pressure level of the conventional Echo dot3 sound box at a frequency point of 1000Hz of about 77.53dB, obviously, the sound box provided by the embodiment of the present application has higher sensitivity than the conventional Echo dot3 sound box. In addition, the loudness of the sound box provided by the embodiment of the application compared with that of the traditional Echo dot3 sound box is greatly improved in the full frequency band, particularly in the middle and high frequency band from 1000Hz to 5000Hz, and the loudness of the sound box provided by the embodiment of the application compared with that of the traditional Echo dot3 sound box is improved by about 15 dB. This also proves further, under the prerequisite of the same box volume and the same speaker unit, the audio amplifier that this application embodiment provided can increase substantially the sound pressure level and the loudness of audio amplifier, guarantees simultaneously that the well high frequency characteristic of audio amplifier is better.

Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.

Claims

1. A portable sound generating device, comprising:

the sound-emitting device comprises a shell (1), wherein the shell (1) is cylindrical, and a sound outlet (11) is formed in the end face of the shell (1);

the sounding unit (2) is arranged in the shell (1), and the sounding side of the sounding unit (2) is opposite to the sounding hole (11);

support arm (5), support arm (5) set up in outside casing (1), the extending direction of support arm (5) with the play sound direction of sound production monomer (2) has the contained angle.

2. A portable sound-emitting device according to claim 1, characterised in that the support arm (5) is detachably connected outside the housing (1).

3. A portable sound-emitting device according to claim 1, characterised in that the support arm (5) is movably connected outside the casing (1).

4. The portable sound-emitting device according to claim 3, characterized in that a connecting assembly is provided between the support arm (5) and the housing (1), through which connecting assembly the support arm (5) and the housing (1) are connected;

5. The portable sound-emitting device according to claim 3, wherein the housing (1) is provided with a receiving groove (14) for receiving the support arm (5);

one end of the supporting arm (5) is rotatably connected into the accommodating groove (14), or one end of the supporting arm (5) is slidably connected into the accommodating groove (14).

6. The portable sound device according to claim 5, wherein the housing groove (14) extends along a peripheral side of the case (1).

7. The portable sound-emitting device according to claim 1, wherein the number of the supporting arms (5) is two, and the two supporting arms (5) are symmetrically arranged outside the casing (1).

8. The portable sound generating device according to any one of claims 1 to 7, further comprising a horn (3), wherein one end of the horn (3) is connected to the sound emitting side of the sound generating unit (2), and the other end of the horn (3) is connected to the sound emitting hole (11).

9. The portable sound generating device according to claim 8, further comprising a sealing ring (4), wherein the horn (3) and the sound generating unit (2) are fixedly connected through the sealing ring (4).

10. The portable sound generating device according to any one of claims 1 to 7, wherein the casing (1) is cylindrical, the casing (1) comprises a lower casing (12) and an upper casing (13) which are fastened to each other, and the plurality of sound outlet holes (11) are formed in a top side of the upper casing (13).