CN203027427U - Improved device for improving squeaking of receiver - Google Patents
Improved device for improving squeaking of receiver Download PDFInfo
- Publication number
- CN203027427U CN203027427U CN 201220722470 CN201220722470U CN203027427U CN 203027427 U CN203027427 U CN 203027427U CN 201220722470 CN201220722470 CN 201220722470 CN 201220722470 U CN201220722470 U CN 201220722470U CN 203027427 U CN203027427 U CN 203027427U
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- receiver
- electromagnetic shielding
- circuit board
- improves
- shielding shell
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Abstract
The utility model provides an improved device for improving squeaking of a receiver. The device comprises an electromagnetic shielding shell, a vibrating diaphragm, a magnetic core coil, a magnetic inductive coil signal wire and a circuit board, wherein the electromagnetic shielding shell comprises a front cavity and a rear cavity, and a transaudient port is formed in the front cavity; the circuit board is arranged at one side of the rear cavity; two wiring holes are formed in the circuit board, and an opening is formed between the two wiring holes; and a damping mesh is arranged on the opening. The device has the beneficial effects that a through hole corresponding to the opening in the circuit board is formed in the electromagnetic shielding shell, so that the bass of the receiver is reinforced; the damping mesh arranged on the opening of the circuit board can be used for alleviating the air eddy effect in the shell, the squeaking phenomenon of the receiver can be improved, and the total harmonic distortion of the receiver can be reduced.
Description
Technical field
The utility model relates to electroacoustics and micromachine is learned the field, is specifically related to a kind of modified model and improves the device that receiver is uttered long and high-pitched sounds.
Background technology
the shell that is used for receiver in the market generally adopts dock and without air pressure balance, bass strengthens through hole, during use, up and down box docking is made up, each assembly of receiver is surrounded wherein, simultaneously, if need to make the optimization process that air pressure balance and bass strengthen will add other parts and assist and complete on shell receiver, both increased the cost of raw material, reduced again the manufacturability of Related product because having added the packaging technology of auxiliary spare part, the through hole that wherein is used for the enhancing of air pressure balance and bass usually makes the air eddy effect in housing strengthen, generation is uttered long and high-pitched sounds, increase the total harmonic distortion of receiver, affected the quality of voice output, actual effect to receiver has produced larger negative effect.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of modified model to improve the device that receiver is uttered long and high-pitched sounds, and reduces air eddy effect in housing, improves the phenomenon of uttering long and high-pitched sounds of receiver.
For achieving the above object, the technical solution of the utility model is as follows: a kind of modified model improves the device that receiver is uttered long and high-pitched sounds, comprise electromagnetic shielding shell, vibrating diaphragm, magnetic core coil, magnetic induction coil holding wire, circuit board, described electromagnetic shielding shell comprises that ante-chamber and back cavity, described ante-chamber are provided with speaking terminal, described circuit board is located at described back cavity one side, described circuit board is provided with two wiring holes, and described back cavity is provided with perforate, and described perforate is provided with damping screen.
Preferably, described damping screen material is nylon or acrylic fibers.
Preferably, the order number of described damping screen is 120-500.
Preferably, described damping screen is located in described perforate by the glue connected mode.
Preferably, any position on the electromagnetic shielding shell back cavity is located in described perforate.
Preferably, described perforate is that punching press, a clicking technique are made.
Preferably, described electromagnetic shielding shell can be set to square, rectangle or circle according to different user demands.
Preferably, be connected for glue between described circuit board and described electromagnetic shielding shell.
Preferably, described perforate is circle, triangle or quadrangle.
Adopt the beneficial effect of above technical scheme to be: to be provided with through hole on electromagnetic shielding shell the bass of receiver is strengthened, be provided with damping screen and reduce air eddy effect in housing in perforate, improved the phenomenon of uttering long and high-pitched sounds of receiver, reduce the total harmonic distortion of receiver.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, the below will do to introduce simply to the accompanying drawing of required use in the embodiment technical description, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model electromagnetic shielding shell structural front view;
Fig. 2 is the utility model electromagnetic shielding shell body structure left view;
Fig. 3 is that the perforate of the utility model circuit board is circular structural representation.
The represented corresponding component title of numeral in figure:
1, electromagnetic shielding shell ante-chamber 2, speaking terminal 3, perforate 4, magnetic induction coil holding wire 5, vibrating diaphragm 6, magnetic induction coil device 7, electromagnetic shielding shell back cavity 8, damping screen 9, wiring hole 10, circuit board 11, electromagnetic shielding shell
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
as Figure 1-3, the utility model provides a kind of modified model to improve the device that receiver is uttered long and high-pitched sounds, comprise electromagnetic shielding shell 11, vibrating diaphragm 5, magnetic core coil 6, magnetic induction coil holding wire 4, circuit board 10, electromagnetic shielding shell 11 is made as circle, electromagnetic shielding shell 11 comprises ante-chamber 1 and back cavity 7, ante-chamber 1 is provided with speaking terminal 2, circuit board 10 is located at back cavity 7 one sides, circuit board 10 is provided with two wiring holes 9, be provided with perforate 3 on the left of electromagnetic shielding shell 11 back cavities, perforate 3 is by a punching press, punching molding technique is made, perforate 3 is shaped as square, the perforate 3 that electromagnetic shielding shell 11 back cavities are provided with is provided with damping screen 8 by the glue connected mode, the material of damping screen 8 is nylon or acrylic fibers, the order number of damping screen 8 is 120-500, be provided with vibrating diaphragm 3 between ante-chamber 1 and back cavity 7, magnetic induction coil holding wire 4 on magnetic induction coil 6 is connected with circuit board 10 by wiring hole 9, when receiver is worked, ac signal can import into by magnetic induction coil holding wire 4, thereby by magnetic induction coil 6, thereby generation electromagnetic induction effect, the balanced armature that is opposite to magnetic induction coil 6 middle parts magnetizes, the balanced armature that is magnetized is according to two like magnetic poles repel each other, the principle that there is a natural attraction between the sexes is up-down vibration in two permanent magnets, in the armature up-down vibration, also driven the up-down vibration of vibrating diaphragm 5, and agitate the interior air of electromagnetic shielding shell 111 with this, thereby sound by speaking terminal 2, the perforate 3 that is located on electromagnetic shielding shell 11 back cavities strengthens the bass of receiver, be located at simultaneously damping screen in perforate 3 and reduced the eddy current effect that produces in the interior air-borne sound process of electromagnetic shielding shell 11, thereby improved the phenomenon of uttering long and high-pitched sounds of receiver, reduce the total harmonic distortion of receiver.
All the other are identical with embodiment 1, and difference is, described electromagnetic shielding shell 11 is rectangle.
All the other are identical with embodiment 1, and difference is, described electromagnetic shielding shell 11 is rectangle.
As shown in Figure 4, all the other are identical with embodiment 1, and difference is, described perforate 3 be shaped as circle.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a modified model improves the device that receiver is uttered long and high-pitched sounds, comprise electromagnetic shielding shell, vibrating diaphragm, magnetic core coil, magnetic induction coil holding wire, circuit board, it is characterized in that: described electromagnetic shielding shell comprises that ante-chamber and back cavity, described ante-chamber are provided with speaking terminal, described circuit board is located at described back cavity one side, described circuit board is provided with two wiring holes, described back cavity is provided with perforate, and described perforate is provided with damping screen.
2. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: described damping screen material is nylon or acrylic fibers.
3. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: the order number of described damping screen is 120-500.
4. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: described damping screen is located in described perforate by the glue connected mode.
5. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: any position on the electromagnetic shielding shell back cavity is located in described perforate.
6. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: described perforate is that punching press, a clicking technique are made.
7. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: described electromagnetic shielding shell can be set to square, rectangle or circle according to different user demands.
8. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: be connected for glue between described circuit board and described electromagnetic shielding shell.
9. modified model according to claim 1 improves the device that receiver is uttered long and high-pitched sounds, and it is characterized in that: described perforate is circle, triangle or quadrangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722470 CN203027427U (en) | 2012-12-25 | 2012-12-25 | Improved device for improving squeaking of receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722470 CN203027427U (en) | 2012-12-25 | 2012-12-25 | Improved device for improving squeaking of receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027427U true CN203027427U (en) | 2013-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722470 Expired - Lifetime CN203027427U (en) | 2012-12-25 | 2012-12-25 | Improved device for improving squeaking of receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079133A (en) * | 2012-12-25 | 2013-05-01 | 苏州恒听电子有限公司 | Improved device for improving receiver noise |
-
2012
- 2012-12-25 CN CN 201220722470 patent/CN203027427U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079133A (en) * | 2012-12-25 | 2013-05-01 | 苏州恒听电子有限公司 | Improved device for improving receiver noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170109 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee after: Suzhou Puliansi Electronic Technology Co.,Ltd. Address before: Suzhou City, Jiangsu province 215000 Yuen Suzhou high tech Industrial Development Zone, Road No. 209 Patentee before: SUZHOU HEARONIC ELECTRONICS |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170302 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee after: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. Address before: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee before: Suzhou Puliansi Electronic Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Yiyi Electronic Technology Co.,Ltd. Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee before: SUZHOU YICHUAN ACOUSTIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |
|
| CX01 | Expiry of patent term |