CN113490108B - Array type sound box - Google Patents
Array type sound box Download PDFInfo
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- CN113490108B CN113490108B CN202110978220.1A CN202110978220A CN113490108B CN 113490108 B CN113490108 B CN 113490108B CN 202110978220 A CN202110978220 A CN 202110978220A CN 113490108 B CN113490108 B CN 113490108B
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- vibrating diaphragm
- voice coil
- box body
- sound
- adjusting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention provides an array type sound box, which belongs to the technical field of sound boxes and comprises a box body, a pressing part, a stretching part, an elastic propping part, a vibrating diaphragm, an adjusting part and a voice coil, wherein a sound-raising port is formed in one side of the box body, the vibrating diaphragm is arranged in the box body, the end part of the vibrating diaphragm is in sliding fit with the inner wall of the box body through the stretching part, one end of the elastic propping part is connected with the stretching part, the other end of the elastic propping part is connected with the inner wall of the box body and used for providing elastic support for the stretching part, the pressing part and the adjusting part are arranged on one side of the vibrating diaphragm, which is far away from the sound-raising port, one end of the adjusting part is connected with the center part of the vibrating diaphragm through the voice coil and used for driving the center part of the vibrating diaphragm to move along the direction of the central axis of the sound-raising port. Compared with the prior art, the sound production effect of the sound box can be adjusted according to different use occasions, and the sound production device has the advantages of simple structure and convenience in use.
Description
Technical Field
The invention belongs to the technical field of sound boxes, and particularly relates to an array type sound box.
Background
The linear array loudspeaker is a group of radiating units which are arranged in a straight line and closely spaced, and have the same amplitude and phase, and is particularly suitable for remote sound radiation because the linear array loudspeaker can provide very good directivity perpendicular to a covering surface so as to obtain good sound effect.
The existing loudspeaker box mostly comprises a vibrating diaphragm structure, and audio current is input by utilizing a voice coil so as to produce alternating motion and further drive the vibrating diaphragm to vibrate, and the vibration of the vibrating diaphragm is utilized to push air to produce sound.
Disclosure of Invention
In view of the above deficiencies of the prior art, an embodiment of the present invention provides an array type sound box.
In order to solve the technical problems, the invention provides the following technical scheme:
an array type sound box comprises a box body, a pressing part, a stretching part, an elastic supporting part, a vibrating diaphragm, an adjusting part and a voice coil,
a sound raising port is arranged on one side of the box body, the vibrating diaphragm is arranged in the box body, the end part of the vibrating diaphragm is in sliding fit with the inner wall of the box body through the stretching part,
one end of the elastic supporting piece is connected with the stretching part, the other end of the elastic supporting piece is connected with the inner wall of the box body and is used for providing elastic support for the stretching part,
the pressing part and the adjusting part are arranged on one side of the vibrating diaphragm far away from the sound-raising port, one end of the adjusting part is connected with the center part of the vibrating diaphragm through the voice coil and is used for driving the center part of the vibrating diaphragm to move along the central axis direction of the sound-raising port,
the pressing part is arranged between the adjusting part and the stretching part and is used for applying a supporting force to the diaphragm towards the sound-raising port so as to drive the diaphragm to form a conical cylindrical structure at one side of the sound-raising port,
the voice coil is arranged in the box body and used for driving the vibrating diaphragm to vibrate.
As a further improvement of the invention: the adjusting part comprises an adjusting sleeve and an adjusting screw rod,
the voice coil loudspeaker voice coil is fixed to be set up adjusting sleeve one end, the voice coil loudspeaker voice coil is kept away from adjusting sleeve's one end with vibrating diaphragm central part is connected, accommodate the lead screw sets up adjusting sleeve keeps away from the one end of voice coil loudspeaker voice coil and with adjusting sleeve screw-thread fit, accommodate the lead screw keeps away from adjusting sleeve's one end extends to the box is outside.
As a further improvement of the invention: and one end of the adjusting screw rod, which is far away from the adjusting sleeve, is fixedly provided with a knob, and the adjusting screw rod is in running fit with the box body through a bearing.
As a further improvement of the invention: the pressing part comprises a ring rod and a plurality of top supporting rods fixedly arranged on one side of the ring rod,
one end, far away from the ring rod, of the top support rod is fixedly connected with the inner wall of the box body, and the ring rod acts on one side of the vibrating diaphragm to drive the cross section of the vibrating diaphragm to be of a W-shaped structure.
As a still further improvement of the invention: the voice coil is characterized in that a limiting part is fixedly arranged on the side wall of the voice coil, and the end, far away from the voice coil, of the limiting part is in sliding fit with the top support rod.
As a still further improvement of the invention: the limiting portion comprises a connecting rod fixedly arranged on the side wall of the voice coil and a sliding sleeve fixedly arranged at one end, far away from the voice coil, of the connecting rod, and the sliding sleeve is sleeved outside the top support rod in a sliding mode.
As a still further improvement of the invention: the stretching part comprises a guide rail and a stretching block,
the guide rail is fixedly arranged on the inner wall of the box body, the stretching block is in sliding fit with the guide rail, the end part of the vibrating diaphragm is fixedly connected with the stretching block, one end of the elastic supporting piece is connected with the stretching block, and the other end of the elastic supporting piece is connected with the inner wall of the box body.
Compared with the prior art, the invention has the beneficial effects that:
in the embodiment of the invention, the central part of the vibrating diaphragm is driven by the adjusting part to move along the central axis direction of the sound-raising port, when the vibrating diaphragm moves away from the sound-raising port, the area of the conical cylindrical structure formed by the vibrating diaphragm is increased, so that the sound-producing effect is improved, the vibrating diaphragm can be conveniently used in outdoor and other open environments, at the moment, the stretching part slides adaptively, so that the elastic propping part is driven to compress, when the vibrating diaphragm moves towards the sound-raising port, the elastic propping part drives the stretching part to slide reversely, so that the end part of the vibrating diaphragm is pulled to move adaptively, so that the area of the conical cylindrical structure formed by the vibrating diaphragm is reduced, the occurrence effect is reduced, and the vibrating diaphragm is convenient to use in indoor and other narrow and small space occasions.
Drawings
FIG. 1 is a schematic diagram of an array type sound box;
FIG. 2 is a schematic structural diagram of a pressing portion of the array type speaker;
FIG. 3 is a schematic structural diagram of an array type speaker;
in the figure: the voice coil loudspeaker comprises a box body 1, a sound raising port 11, a pressing part 2, a supporting rod 21, a pressing ring 22, a stretching part 3, a guide rail 31, a stretching block 32, an elastic supporting part 4, a vibrating diaphragm 5, an adjusting part 6, an adjusting sleeve 61, an adjusting screw rod 62, a knob 63, a limiting part 7, a sliding sleeve 71, a connecting rod 72 and a voice coil 8.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, this embodiment provides an array type sound box, including a box 1, a pressing portion 2, a stretching portion 3, an elastic propping member 4, a vibrating diaphragm 5, an adjusting portion 6, and a voice coil 8, wherein a sound-raising port 11 is formed at one side of the box 1, the vibrating diaphragm 5 is disposed inside the box 1, an end portion of the vibrating diaphragm 5 is in sliding fit with an inner wall of the box 1 through the stretching portion 3, one end of the elastic propping member 4 is connected to the stretching portion 3, and the other end is connected to an inner wall of the box 1 for providing elastic support for the stretching portion 3, the pressing portion 2 and the adjusting portion 6 are disposed at a side of the vibrating diaphragm 5 away from the sound-raising port 11, one end of the adjusting portion 6 is connected to a central portion of the vibrating diaphragm 5 through the voice coil 8 for driving the central portion of the vibrating diaphragm 5 to move along a central axis of the sound-raising port 11, the pressing part 2 is arranged between the adjusting part 6 and the stretching part 3 and is used for applying a supporting force to the vibrating diaphragm 5 in the direction of the sound-raising port 11 so as to drive the vibrating diaphragm 5 to form a conical cylindrical structure on one side of the sound-raising port 11, and the voice coil 8 is arranged inside the box body 1 and is used for driving the vibrating diaphragm 5 to vibrate.
The diaphragm 5 can form a conical cylindrical structure on one side of the loudspeaker port 11 by the supporting action of the stretching part 3, the pressing part 2 and the adjusting part 6, the diaphragm 5 is driven to vibrate by the voice coil 8, the central part of the diaphragm 5 is driven by the adjusting part 6 to move along the central axis direction of the loudspeaker port 11, when the diaphragm 5 moves away from the sound-emitting port 11, the area of the conical cylindrical structure formed by the diaphragm 5 is increased, further, the sound production effect is improved, so that the stretching part 3 can be conveniently used in an open environment such as outdoor environment, and at the time, the stretching part 3 can slide in a adaptability way, thereby driving the elastic propping piece 4 to compress, when the diaphragm 5 moves towards the loudspeaker port 11, the elastic propping piece 4 drives the stretching part 3 to slide reversely, and then the end part of the diaphragm 5 is drawn to adapt to the movement, so that the area of the conical cylindrical structure formed by the diaphragm 5 is reduced, the occurrence effect is reduced, and the diaphragm is convenient to use in small and small space occasions such as indoor places.
Referring to fig. 1, in an embodiment, the adjusting portion 6 includes an adjusting sleeve 61 and an adjusting screw 62, the voice coil 8 is fixedly disposed at one end of the adjusting sleeve 61, one end of the voice coil 8 away from the adjusting sleeve 61 is connected to a central portion of the diaphragm 5, the adjusting screw 62 is disposed at one end of the adjusting sleeve 61 away from the voice coil 8 and is in threaded fit with the adjusting sleeve 61, and one end of the adjusting screw 62 away from the adjusting sleeve 61 extends to the outside of the box 1.
Through rotating accommodate the lead screw 62, utilize screw-thread fit between accommodate the lead screw 62 and the adjusting sleeve 61, and then drive the adjusting sleeve 61 and remove along accommodate the lead screw 62 length direction to drive voice coil 8 synchronous motion, can drive vibrating diaphragm 5 and remove along loudspeaker port 11 axis direction when voice coil 8 removes, in order to realize the regulation of the toper tubular structure area that vibrating diaphragm 5 constitutes.
Referring to fig. 1, in an embodiment, a knob 63 is fixedly disposed at an end of the adjusting screw 62 away from the adjusting sleeve 61, and the adjusting screw 62 is rotatably engaged with the box body 1 through a bearing.
In another embodiment, the adjusting portion 6 may further include a hydraulic rod fixedly installed inside the case 1, an output end of the hydraulic rod is connected to the voice coil 8, and an end of the voice coil 8 away from the hydraulic rod is connected to a central portion of the diaphragm 5.
The voice coil 8 is driven by the hydraulic rod to move back and forth so as to drive the diaphragm 5 to move along the axial direction of the loudspeaker port 11, and the area of the conical tubular structure formed by the diaphragm 5 is adjusted.
Referring to fig. 1 and fig. 2, in an embodiment, the pressing portion 2 includes a ring rod 22 and a plurality of top support rods 21 fixedly disposed on one side of the ring rod 22, one end of each top support rod 21 away from the ring rod 22 is fixedly connected to an inner wall of the box 1, and the ring rod 22 acts on one side of the diaphragm 5 to drive the cross section of the diaphragm 5 to be a W-shaped structure.
Act on vibrating diaphragm 5 one side through loop bar 22 to support vibrating diaphragm 5, under the pulling effect of regulating part 6 and tensile portion 3, make vibrating diaphragm 5 be in the inboard part of loop bar 22 and be toper tubular structure, when regulating part 6 drove vibrating diaphragm 5 central point and move, vibrating diaphragm 5 can slide along loop bar 22 one side, thereby make vibrating diaphragm 5 be located the partial area of loop bar 22 inboard and change, in order to deal with different application scenarios.
In another embodiment, the pressing portion 2 may further include a plurality of pressing rods distributed at intervals in a ring shape and a pressing wheel rotatably disposed at one end of the plurality of pressing rods, one end of the pressing rod away from the pressing wheel is fixedly connected to the inner wall of the box body 1, and the plurality of pressing wheels act on one side of the vibrating diaphragm 5 to drive the cross section of the vibrating diaphragm 5 to be in a W-shaped structure.
Act on 5 one sides of vibrating diaphragm through a plurality of pinch rollers to support vibrating diaphragm 5, under the pulling effect of regulating part 6 and tensile portion 3, make vibrating diaphragm 5 be in the inboard part of a plurality of pinch rollers and be toper tubular structure, when regulating part 6 drives 5 central point of vibrating diaphragm and removes, vibrating diaphragm 5 can slide on one side of a plurality of pinch rollers, the pinch roller then corresponds the rotation, thereby make vibrating diaphragm 5 be located the partial area of ring rod 22 inboard and change, in order to deal with different application occasions.
Referring to fig. 1, in an embodiment, a limiting portion 7 is fixedly disposed on a side wall of the voice coil 8, an end of the limiting portion 7 away from the voice coil 8 is slidably engaged with the top stay 21, and the limiting portion 7 is disposed so that when the adjusting screw 62 is rotated, the adjusting sleeve 61 and the voice coil 8 can be smoothly driven to move, and further the diaphragm 5 is driven to move.
Referring to fig. 1, in an embodiment, the limiting portion 7 includes a connecting rod 72 fixedly disposed on a side wall of the voice coil 8, and a sliding sleeve 71 fixedly disposed on an end of the connecting rod 72 away from the voice coil 8, and the sliding sleeve 71 is slidably sleeved outside the top stay 21.
Through the sliding fit between the sliding sleeve 71 and the top stay 21, the voice coil 8 and the adjusting sleeve 61 are guided, and therefore the voice coil 8 and the adjusting sleeve 61 can move smoothly.
In another embodiment, the limiting portion 7 may further include a sliding rod fixedly disposed on the side wall of the voice coil 8 and a sliding block fixedly mounted on one end of the sliding rod away from the voice coil 8, a sliding rail is mounted on one side of the top supporting rod 21, and smooth movement of the voice coil 8 and the adjusting sleeve 61 can also be achieved through sliding fit between the sliding block and the sliding rail.
Referring to fig. 1, in an embodiment, the stretching portion 3 includes a guide rail 31 and a stretching block 32, the guide rail 31 is fixedly disposed on an inner wall of the box body 1, the stretching block 32 is in sliding fit with the guide rail 31, an end portion of the diaphragm 5 is fixedly connected to the stretching block 32, one end of the elastic supporting member 4 is connected to the stretching block 32, and the other end is connected to the inner wall of the box body 1.
At rotation accommodate the lead screw 62, when driving vibrating diaphragm 5 and moving to keeping away from mouth of raising voice 11 direction, tensile piece 32 can slide along guide rail 31, in order to order about elasticity top support piece 4 compression, and then make the vibrating diaphragm 5 area that is located the ring pole 22 inboard increase, so that strengthen the sound production effect in outdoor wait spacious environment, rotating accommodate the lead screw 62, when driving vibrating diaphragm 5 and moving to mouth of raising voice 11 direction, tensile piece 32 can follow guide rail 31 reverse slip under the supporting role of elasticity top support piece 4, and then make the vibrating diaphragm 5 area that is located the ring pole 22 inboard reduce, so that alleviate the sound production effect in indoor wait under the subspace.
In one embodiment, the elastic top supporting member 4 may be a spring, or may be a metal spring sheet, which is not limited herein.
Referring to fig. 3, in an embodiment, the sound emitting ports 11 are arranged in a plurality of groups on one side of the box body 1, and the vibrating diaphragm 5 is arranged in the box body 1 in a plurality of groups corresponding to the sound emitting ports 11 one to one.
In the embodiment of the invention, the central part of the diaphragm 5 is driven by the adjusting part 6 to move along the central axis direction of the loudspeaker port 11, when the diaphragm 5 moves away from the sound-emitting port 11, the area of the conical cylindrical structure formed by the diaphragm 5 is increased, further, the sound production effect is improved, so that the stretching part 3 can be conveniently used in an open environment such as outdoor environment, and at the time, the stretching part 3 can slide in a adaptability way, thereby driving the elastic propping piece 4 to compress, when the diaphragm 5 moves towards the loudspeaker port 11, the elastic propping piece 4 drives the stretching part 3 to slide reversely, and then the end part of the vibrating diaphragm 5 is drawn to move in a suitable manner, so that the area of the conical cylindrical structure formed by the vibrating diaphragm 5 is reduced, in order to reduce the emergence effect to use in the narrow and small occasion in space such as indoor, compare in prior art, can adjust in order to audio amplifier sound production effect according to the difference of use occasion, have simple structure and convenient to use's advantage.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. An array type sound box is characterized by comprising a box body, a pressing part, a stretching part, an elastic supporting part, a vibrating diaphragm, an adjusting part and a voice coil,
a sound raising port is arranged on one side of the box body, the vibrating diaphragm is arranged in the box body, the end part of the vibrating diaphragm is in sliding fit with the inner wall of the box body through the stretching part,
one end of the elastic supporting piece is connected with the stretching part, the other end of the elastic supporting piece is connected with the inner wall of the box body and is used for providing elastic support for the stretching part,
the pressing part and the adjusting part are arranged on one side of the vibrating diaphragm far away from the sound-raising port, one end of the adjusting part is connected with the center part of the vibrating diaphragm through the voice coil and is used for driving the center part of the vibrating diaphragm to move along the central axis direction of the sound-raising port,
the pressing part is arranged between the adjusting part and the stretching part and is used for applying a supporting force to the diaphragm towards the sound-raising port so as to drive the diaphragm to form a conical cylindrical structure at one side of the sound-raising port,
the voice coil is arranged in the box body and used for driving the vibrating diaphragm to vibrate.
2. The array type sound box according to claim 1, wherein the adjusting part comprises an adjusting sleeve and an adjusting screw rod,
the voice coil loudspeaker voice coil is fixed to be set up adjusting sleeve one end, the voice coil loudspeaker voice coil is kept away from adjusting sleeve's one end with vibrating diaphragm central part is connected, accommodate the lead screw sets up adjusting sleeve keeps away from the one end of voice coil loudspeaker voice coil and with adjusting sleeve screw-thread fit, accommodate the lead screw keeps away from adjusting sleeve's one end extends to the box is outside.
3. The array type sound box according to claim 2, wherein a knob is fixedly arranged at one end of the adjusting screw rod away from the adjusting sleeve, and the adjusting screw rod is rotatably matched with the box body through a bearing.
4. The array type sound box according to claim 1, wherein the pressing portion comprises a ring bar and a plurality of top support rods fixedly disposed at one side of the ring bar,
one end, far away from the ring rod, of the top support rod is fixedly connected with the inner wall of the box body, and the ring rod acts on one side of the vibrating diaphragm to drive the cross section of the vibrating diaphragm to be of a W-shaped structure.
5. The array acoustic enclosure according to claim 4, wherein a position-limiting portion is fixedly disposed on the side wall of the voice coil, and an end of the position-limiting portion away from the voice coil is slidably engaged with the top stay.
6. The array acoustic enclosure according to claim 5, wherein the position-limiting portion includes a link fixedly disposed on a sidewall of the voice coil, and a sliding sleeve fixedly disposed on an end of the link away from the voice coil, and the sliding sleeve is slidably disposed outside the top stay.
7. The array acoustic enclosure of claim 1, wherein the stretching portion comprises a rail and a stretching block,
the guide rail is fixedly arranged on the inner wall of the box body, the stretching block is in sliding fit with the guide rail, the end part of the vibrating diaphragm is fixedly connected with the stretching block, one end of the elastic supporting piece is connected with the stretching block, and the other end of the elastic supporting piece is connected with the inner wall of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978220.1A CN113490108B (en) | 2021-08-25 | 2021-08-25 | Array type sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978220.1A CN113490108B (en) | 2021-08-25 | 2021-08-25 | Array type sound box |
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| Publication Number | Publication Date |
|---|---|
| CN113490108A CN113490108A (en) | 2021-10-08 |
| CN113490108B true CN113490108B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978220.1A Active CN113490108B (en) | 2021-08-25 | 2021-08-25 | Array type sound box |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203283926U (en) * | 2012-12-28 | 2013-11-13 | 深圳市光泓数控设备有限公司 | Membrane tension force adjusting device |
| CN209949408U (en) * | 2019-06-17 | 2020-01-14 | 香港大学浙江科学技术研究院 | Passive diaphragm system and sound box adopting same |
| CN111757207A (en) * | 2020-07-10 | 2020-10-09 | 菏泽韩升元电子股份有限公司 | Earphone vibration assembly and vibrating earphone with same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7657051B1 (en) * | 2005-05-05 | 2010-02-02 | Buckanear Productions, L.L.C. | Bass drum speaker |
| CN203813942U (en) * | 2014-04-04 | 2014-09-03 | 东莞正阳电子有限公司 | Array-type thin loudspeaker box |
| CN109391882B (en) * | 2018-01-10 | 2024-05-28 | 深圳市吉瑞德电子科技有限公司 | Moving-coil type plane vibrating diaphragm loudspeaker |
| CN108882134B (en) * | 2018-08-16 | 2023-08-01 | 重庆寻天科技有限公司 | Microphone with adjustable vibrating diaphragm area |
| CN208850043U (en) * | 2018-10-18 | 2019-05-10 | 天津华伟精工电子有限公司 | A kind of novel horn sound basin group frame structure |
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2021
- 2021-08-25 CN CN202110978220.1A patent/CN113490108B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203283926U (en) * | 2012-12-28 | 2013-11-13 | 深圳市光泓数控设备有限公司 | Membrane tension force adjusting device |
| CN209949408U (en) * | 2019-06-17 | 2020-01-14 | 香港大学浙江科学技术研究院 | Passive diaphragm system and sound box adopting same |
| CN111757207A (en) * | 2020-07-10 | 2020-10-09 | 菏泽韩升元电子股份有限公司 | Earphone vibration assembly and vibrating earphone with same |
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| CN113490108A (en) | 2021-10-08 |
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