CN114025280A - Moving-iron horn diaphragm with small front cavity - Google Patents
Moving-iron horn diaphragm with small front cavity Download PDFInfo
- Publication number
- CN114025280A CN114025280A CN202111441583.8A CN202111441583A CN114025280A CN 114025280 A CN114025280 A CN 114025280A CN 202111441583 A CN202111441583 A CN 202111441583A CN 114025280 A CN114025280 A CN 114025280A
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- CN
- China
- Prior art keywords
- shell
- diaphragm
- front cavity
- cavity
- partition plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a moving-iron horn diaphragm with a small front cavity, which comprises a shell, wherein the shell consists of a front shell, a rear shell, a left shell, a right shell and a bottom shell, and the distance between the back sides of the left shell and the right shell is the length of the shell; the baffle is arranged on the inner side wall of the shell and fixedly connected among the front shell, the rear shell and the bottom shell. According to the invention, the baffle plate is arranged in the shell, so that the front cavity has smaller volume, the composite diaphragm area is reduced, better bandwidth can be obtained, and meanwhile, the back cavity volume is increased, so that higher sound pressure can be obtained.
Description
Technical Field
The invention relates to the technical field of moving-iron horns, in particular to a moving-iron horn diaphragm with a small front cavity.
Background
The moving iron unit moves in a magnetic field through the armature in the middle of the armature driving assembly, then drives the ejector pin and drives the vibrating diaphragm to vibrate to make sound, the front cavity of the current vibrating diaphragm membrane is large in size, so that the bandwidth of the moving iron loudspeaker is insufficient, the height of the moving iron loudspeaker is required to be reduced in the vertical direction to achieve a smaller size, and the process difficulty is very high.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a moving-iron horn diaphragm with a small front cavity.
In order to achieve the purpose, the invention adopts the following technical scheme: a moving-iron horn diaphragm with a small front cavity comprises a shell, wherein the shell consists of a front shell, a rear shell, a left shell, a right shell and a bottom shell, and the distance between the back sides of the left shell and the right shell is the length of the shell; the partition plate is arranged on the inner side wall of the shell and is fixedly connected among the front shell, the rear shell and the bottom shell; the connecting pipe is arranged in the shell and used for carrying out frequency shift tuning on a formant, the connecting pipe is fixedly connected to the upper wall of the bottom shell, and the outer walls of two ends of the connecting pipe respectively penetrate through the left shell and the partition plate of the shell; the support is arranged inside the shell and fixedly connected between the partition board and the right shell, the inner side wall of the support is provided with the composite vibrating diaphragm, the inner side wall of the shell is divided into a rear cavity and a front cavity through the composite vibrating diaphragm and the partition board, the rear cavity is a cavity between the partition board and the left shell and a cavity inside the shell above the composite vibrating diaphragm, and the front cavity is a cavity between the composite vibrating diaphragm and the bottom shell and between the partition board and the right shell; the distance between the partition plate and one side, opposite to the right shell, of the right shell is the length of the front cavity, and the distance between the composite vibrating diaphragm and one side, opposite to the bottom shell, of the right shell is the height of the front cavity; the connecting pipe penetrates through the partition plate and then is communicated with the front cavity.
As a further description of the above technical solution:
the composite diaphragm comprises a first diaphragm, a second diaphragm and a third diaphragm, and the first diaphragm, the second diaphragm and the third diaphragm are sequentially and fixedly connected to the inner side wall of the support from top to bottom.
As a further description of the above technical solution:
the first vibrating diaphragm inner wall is provided with a centre hole, the centre hole is arranged on one side close to the partition board.
As a further description of the above technical solution:
the length of the front cavity divided by the clapboard and the composite diaphragm can be any one of four fifths, three quarters and two thirds of the length of the shell.
As a further description of the above technical solution:
the inner diameter of the connecting pipe can be any one of the height of the front cavity and the height of the front cavity which is half of the height of the front cavity.
As a further description of the above technical solution:
the connecting pipe can be any one of a plastic pipe, a metal pipe and an etching process hole.
As a further description of the above technical solution:
the connecting pipe can be any one of a straight pipe and a bent pipe.
The invention has the following beneficial effects:
1. compared with the prior art, this moving-iron horn diaphragm of little antechamber is through setting up the baffle inside the shell for possess littleer antechamber volume, reduced composite diaphragm area, thereby can obtain better frequency width, increased the back chamber volume simultaneously, thereby can obtain higher acoustic pressure.
2. Compared with the prior art, this moving-iron horn diaphragm of little front chamber, the connecting pipe of setting through connecting pipe with front chamber and shell external connection, can adjust the performance of product through the connecting pipe of selecting different internal diameters, different materials and different shapes, thereby carry out the frequency shift to the formant of product and help the customer to carry out better tuning, has also overcome the condition that the product is difficult to produce the formant of lower frequency under less volume.
Drawings
FIG. 1 is a schematic view of the overall structure of a small front cavity moving-iron horn diaphragm according to the present invention;
FIG. 2 is a side sectional view of the whole structure of a small front cavity moving-iron horn diaphragm according to the present invention;
fig. 3 is a side sectional view of a small front cavity moving-iron horn diaphragm according to the present invention, when the connecting tube is semi-circular.
Illustration of the drawings:
1. a housing; 2. a partition plate; 3. a support; 4. a first diaphragm; 5. a thimble hole; 6. a connecting pipe; 7. a second diaphragm; 8. and a third diaphragm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 2, the invention provides a moving-iron horn diaphragm with a small front cavity: the portable multifunctional electric heating cooker comprises a shell 1, wherein the shell 1 consists of a front shell, a rear shell, a left shell, a right shell and a bottom shell, and the distance between the back sides of the left shell and the right shell is the length of the shell 1; the clapboard 2 is arranged on the inner side wall of the shell 1, and the clapboard 2 is fixedly connected among the front shell, the rear shell and the bottom shell; the connecting pipe 6 is arranged in the shell 1 and used for carrying out frequency shift tuning on a formant, the connecting pipe 6 is fixedly connected to the upper wall of the bottom shell, and the outer walls of two ends of the connecting pipe 6 respectively penetrate through the left shell of the shell 1 and the partition plate 2; set up support 3 in 1 inside of shell, 3 fixed connection of support are between baffle 2 and right casing, 3 inside walls of support are provided with compound vibrating diaphragm, 1 inside walls of shell separate into back chamber and ante-chamber through compound vibrating diaphragm and baffle 2, the back chamber is the cavity 1 inside of shell above cavity and compound vibrating diaphragm between baffle 2 and the left casing, the ante-chamber is the cavity between compound vibrating diaphragm and the drain pan and between baffle 2 and the right casing, connecting pipe 6 runs through behind baffle 2 and link up with the ante-chamber, through set up baffle 2 in 1 inside of shell, make and possess littleer ante chamber volume, compound vibrating diaphragm area has been reduced, thereby can obtain better bandwidth, the back chamber volume has been increased simultaneously, thereby can obtain higher acoustic pressure.
The distance between the partition plate 2 and the opposite side of the right shell is the length of the front cavity, and the distance between the composite vibrating diaphragm and the opposite side of the bottom shell is the height of the front cavity; the composite diaphragm comprises a first diaphragm 4, a second diaphragm 7 and a third diaphragm 8, the first diaphragm 4, the second diaphragm 7 and the third diaphragm 8 are sequentially and fixedly connected to the inner side wall of the support 3 from top to bottom, a thimble hole 5 is formed in the inner wall of the first diaphragm 4, the thimble hole 5 is formed in one side close to the partition plate 2, and the composite diaphragm vibrates through the driving of the driving part inside the moving iron unit to produce sound.
The length of the front cavity separated by the partition plate 2 and the composite diaphragm can be any one of four fifths, three fourths and two thirds of the length of the shell 1, the inner diameter of the connecting pipe 6 can be any one of the height of the front cavity and the height of the front cavity, the connecting pipe 6 can be any one of a plastic pipe, a metal pipe and an etching process hole, the connecting pipe 6 can be a straight pipe and any one of bent pipes, the performance of a product can be adjusted by replacing the connecting pipes 6 with different inner diameters, different materials and different shapes, the frequency shift is carried out on the formant of the product, so that a customer is helped to carry out better tuning, and the condition that the formant of a lower frequency is difficult to generate by the product under a smaller volume is also overcome.
Example two:
referring to fig. 3, the invention provides a moving-iron horn diaphragm with a small front cavity: the connecting pipe 6 is in a semicircular pipe installation, the circle center and the lower wall of the bottom shell are located on the same plane, therefore, double-acting iron units can be extended, each semicircular pipe of each unit relatively forms an integral pipe, and more tuning modes are obtained.
The working principle is as follows: compound vibrating diaphragm is through the inside drive part drive vibration of moving iron unit, produce sound, through at 1 inside baffle 2 that sets up of shell, make to possess littleer antetheca volume, compound vibrating diaphragm area has been reduced, thereby can obtain better frequency width, the back chamber volume has been increased simultaneously, thereby can obtain higher acoustic pressure, can be through changing different internal diameters, connecting pipe 6 of different materials and different shapes is adjusted the performance of product, thereby carry out the frequency shift to the formant of product and help the customer to carry out better tuning, the condition that the product is difficult to produce the formant of lower frequency under less volume has also been overcome.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a moving-iron horn diaphragm of little front chamber which characterized in that: the portable multifunctional electric heating cooker comprises a shell (1), wherein the shell (1) consists of a front shell, a rear shell, a left shell, a right shell and a bottom shell, and the distance between the two opposite sides of the left shell and the right shell is the length of the shell (1);
the partition plate (2) is arranged on the inner side wall of the shell (1), and the partition plate (2) is fixedly connected among the front shell, the rear shell and the bottom shell;
the connecting pipe (6) is arranged in the shell (1) and used for performing frequency shift tuning on a formant, the connecting pipe (6) is fixedly connected to the upper wall of the bottom shell, and the outer walls of two ends of the connecting pipe (6) respectively penetrate through the left shell of the shell (1) and the partition plate (2);
the support (3) is arranged inside the shell (1), the support (3) is fixedly connected between the partition plate (2) and the right shell, a composite vibrating diaphragm is arranged on the inner side wall of the support (3), the inner side wall of the shell (1) is divided into a rear cavity and a front cavity through the composite vibrating diaphragm and the partition plate (2), the rear cavity is a cavity between the partition plate (2) and the left shell and a cavity inside the shell (1) above the composite vibrating diaphragm, and the front cavity is a cavity between the composite vibrating diaphragm and the bottom shell and between the partition plate (2) and the right shell;
the distance between the partition plate (2) and the opposite side of the right shell is the length of a front cavity, and the distance between the composite vibrating diaphragm and the opposite side of the bottom shell is the height of the front cavity;
the connecting pipe (6) penetrates through the partition plate (2) and then is communicated with the front cavity.
2. The small front cavity moving-iron horn diaphragm of claim 1, wherein: the composite diaphragm comprises a first diaphragm (4), a second diaphragm (7) and a third diaphragm (8), wherein the first diaphragm (4), the second diaphragm (7) and the third diaphragm (8) are sequentially and fixedly connected to the inner side wall of the bracket (3) from top to bottom.
3. The small front cavity moving-iron horn diaphragm of claim 2, wherein: the inner wall of the first vibrating diaphragm (4) is provided with a thimble hole (5), and the thimble hole (5) is arranged on one side close to the partition board (2).
4. The small front cavity moving-iron horn diaphragm of claim 3, wherein: the front cavity is divided into a front cavity by the partition plate (2) and the composite diaphragm, and the length of the front cavity can be any one of four fifths, three quarters and two thirds of the length of the shell (1).
5. The small front cavity moving-iron horn diaphragm of claim 4, wherein: the inner diameter of the connecting pipe (6) can be any one of the height of the front cavity and the height of the front cavity which is half of the height of the front cavity.
6. The small front cavity moving-iron horn diaphragm of claim 5, wherein: the connecting pipe (6) can be any one of a plastic pipe, a metal pipe and an etching process hole.
7. The small front cavity moving-iron horn diaphragm of claim 6, wherein: the connecting pipe (6) can be any one of a straight pipe and a bent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441583.8A CN114025280B (en) | 2021-11-30 | 2021-11-30 | Moving iron horn diaphragm with small front cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441583.8A CN114025280B (en) | 2021-11-30 | 2021-11-30 | Moving iron horn diaphragm with small front cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114025280A true CN114025280A (en) | 2022-02-08 |
| CN114025280B CN114025280B (en) | 2024-04-09 |
Family
ID=80067089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111441583.8A Active CN114025280B (en) | 2021-11-30 | 2021-11-30 | Moving iron horn diaphragm with small front cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114025280B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079141A (en) * | 2013-01-31 | 2013-05-01 | 苏州恒听电子有限公司 | Telephone receiver for eliminating high frequency influence |
| CN204090132U (en) * | 2014-09-28 | 2015-01-07 | 常州阿木奇声学科技有限公司 | The dynamic iron unit that a kind of volume is little |
| CN104768109A (en) * | 2015-03-31 | 2015-07-08 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN205883575U (en) * | 2016-07-18 | 2017-01-11 | 苏州亿欧得电子有限公司 | Compact moving -iron receiver |
| CN206181370U (en) * | 2016-11-10 | 2017-05-17 | 常州阿木奇声学科技有限公司 | Move indisputable speaker |
| WO2019101161A1 (en) * | 2017-11-24 | 2019-05-31 | 苏州逸巛声学科技有限公司 | Sound producing device |
| CN213462312U (en) * | 2020-08-27 | 2021-06-15 | 内蒙古恩沃电子科技有限公司 | Sound production device module |
-
2021
- 2021-11-30 CN CN202111441583.8A patent/CN114025280B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079141A (en) * | 2013-01-31 | 2013-05-01 | 苏州恒听电子有限公司 | Telephone receiver for eliminating high frequency influence |
| CN204090132U (en) * | 2014-09-28 | 2015-01-07 | 常州阿木奇声学科技有限公司 | The dynamic iron unit that a kind of volume is little |
| CN104768109A (en) * | 2015-03-31 | 2015-07-08 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN205883575U (en) * | 2016-07-18 | 2017-01-11 | 苏州亿欧得电子有限公司 | Compact moving -iron receiver |
| CN206181370U (en) * | 2016-11-10 | 2017-05-17 | 常州阿木奇声学科技有限公司 | Move indisputable speaker |
| WO2019101161A1 (en) * | 2017-11-24 | 2019-05-31 | 苏州逸巛声学科技有限公司 | Sound producing device |
| CN213462312U (en) * | 2020-08-27 | 2021-06-15 | 内蒙古恩沃电子科技有限公司 | Sound production device module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114025280B (en) | 2024-04-09 |
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