CN204119494U - Speaker unit - Google Patents

Speaker unit Download PDF

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Publication number
CN204119494U
CN204119494U CN201420356095.6U CN201420356095U CN204119494U CN 204119494 U CN204119494 U CN 204119494U CN 201420356095 U CN201420356095 U CN 201420356095U CN 204119494 U CN204119494 U CN 204119494U
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CN
China
Prior art keywords
conductive board
magnetic conductive
speaker unit
magnetic
hole
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.)
Active
Application number
CN201420356095.6U
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Chinese (zh)
Inventor
郑泽东
蔡晓东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Inc
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Goertek Inc
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Publication date
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Priority to CN201420356095.6U priority Critical patent/CN204119494U/en
Application granted granted Critical
Publication of CN204119494U publication Critical patent/CN204119494U/en
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Abstract

The utility model discloses a kind of speaker unit, involving vibrations system, magnetic circuit system and auxiliary system, the fixing described vibrational system of described auxiliary system collecting and magnetic circuit system, described magnetic circuit system comprises magnetic conductive board, is fixed on the magnet on described magnetic conductive board and washer ferropectic with described magnetic, described auxiliary system comprises shell, described magnetic conductive board and described shell secure bond, and: described magnetic conductive board is provided with through hole, and described through hole is communicated with described speaker unit inside and outside.The utility model speaker unit, magnetic conductive board is provided with the through hole being communicated with loud speaker inside and outside, is conducive to the maximization design of magnetic conductive board, improves magnetic conduction effect, thus improve loud speaker internal magnetic field intensity, improve speaker unit acoustical behavior.

Description

Speaker unit
Technical field
The utility model relates to electroacoustic field, especially relates to the speaker unit that a kind of acoustical behavior is good.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phone, notebook computer are used widely, and as acoustic element important in consumer electronics product, loud speaker has demand widely.Along with the raising that people require consumer electronics product, speaker performance also more and more receives the concern of people.
Speaker unit involving vibrations system, magnetic circuit system and auxiliary system, auxiliary system comprises shell, magnetic circuit system comprises magnetic conductive board and magnet, magnet and magnetic conductive board secure bond, magnetic conductive board coordinates other components of accommodating fixing speaker unit with shell, the speaker unit of general structure, in order to ensure inside loudspeakers airflow, guarantee loud speaker normally works sounding, usually the ad-hoc location be combined with shell at magnetic conductive board is arranged dodges, this magnetic conductive board avoiding structure coordinates with shell and forms air-vent, to keep loud speaker inside and outside air pressure balance.The speaker unit of traditional structure, limits the size of magnetic conductive board, have impact on the magnetic conduction effect of magnetic conductive board, and then affects magnetic circuit system magnetic field intensity, causes speaker unit acoustical behavior to reduce.
Therefore, be necessary to propose a kind of improvement, to overcome traditional structure speaker unit defect.
Utility model content
Technical problem to be solved in the utility model is to provide the good speaker unit of a kind of acoustical behavior.
To achieve these goals, the utility model is by the following technical solutions:
A kind of speaker unit, involving vibrations system, magnetic circuit system and auxiliary system, the fixing described vibrational system of described auxiliary system collecting and magnetic circuit system, described magnetic circuit system comprises magnetic conductive board, is fixed on the magnet on described magnetic conductive board and washer ferropectic with described magnetic, described auxiliary system comprises shell, described magnetic conductive board and described shell secure bond, and: described magnetic conductive board is provided with through hole, and described through hole is communicated with described speaker unit inside and outside.
As the preferred technical scheme of one, described speaker unit is rectangle structure, and described shell is rectangle, and described magnetic conductive board corresponds to rectangle, and described through hole is arranged at the stub portion of described rectangle magnetic conductive board.
As further preferred technical scheme, described through hole is two, and described two through holes lay respectively at described rectangle magnetic conductive board two stub portion; Corresponding two through holes in two ends, described magnetic conductive board minor axis limit are respectively arranged with depression.
As the preferred technical scheme of one, described vibrational system comprises vibrating diaphragm, and described vibrating diaphragm comprises the ring portion extended to described magnetic conductive board direction, and the corresponding described ring portion of described shell is provided with avoiding structure.
Preferred as to above scheme, described magnetic conductive board is provided with damping away from the corresponding described through hole in side of described shell.
The utility model speaker unit, magnetic conductive board is provided with the through hole being communicated with speaker unit inside and outside, magnetic conductive board can be made to maximize design, thus improve the magnetic conduction effect of magnetic conductive board, thus improve magnetic circuit system magnetic field intensity, improve the utility model speaker unit acoustical behavior.Therefore, the utility model speaker unit has the good advantage of acoustical behavior.
Accompanying drawing explanation
Fig. 1 is the utility model speaker unit embodiment stereogram;
Fig. 2 is the upward view of speaker unit shown in Fig. 1
Fig. 3 is A-A direction cutaway view in Fig. 2;
Fig. 4 is I magnified partial view in Fig. 3;
Fig. 5 is II magnified partial view in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
The utility model speaker unit, involving vibrations system, magnetic circuit system and auxiliary system, as shown in Figure 3, auxiliary system comprises the first housing 11 and the second housing 12, first housing 11 coordinates the cavity being formed and accommodate fixing magnetic circuit system and vibrational system with the second housing 12, as shown in Figure 3, magnetic circuit system comprises magnetic conductive board 5, magnetic conductive board 5 and the second housing 12 are fixed away from first housing 11 one end, magnetic conductive board 5 is fixedly installed magnet 41 near the first housing 11 side, magnet 41 is provided with washer 42 away from magnetic conductive board 5 side, as shown in drawings, the present embodiment speaker unit is long rectangle, magnetic conductive board 5 corresponds to long rectangle, two major axis limits of long rectangular magnetic conductive board 5 are provided with two pieces of limit magnet (not shown)s, limit magnet is provided with limit washer away from magnetic conductive board 5 side, magnet 41, washer 42 and limit magnet, magnetic gap is formed between the washer of limit.As shown in Figure 3, the utility model speaker unit, vibrational system comprises vibrating diaphragm 2 and the voice coil loudspeaker voice coil 3 fixing with vibrating diaphragm 2, and voice coil loudspeaker voice coil 3 is arranged in the magnetic gap of magnetic circuit system.When extraneous drive current enters voice coil loudspeaker voice coil 3, the voice coil loudspeaker voice coil 3 be arranged in magnetic gap is subject to Lorentz force and up-down vibration, drives vibrating diaphragm 2 vibration sounding, speaker unit work.Should know, the present embodiment is only an embodiment of the present utility model, and in actual applications, it can be other structures that the magnetic gap of magnetic circuit system is arranged, and all can embody the utility model speaker unit advantage.
As shown in Figure 1, Figure 2 and Figure 3, the utility model speaker unit, magnetic conductive board 5 is provided with through hole 51, and through hole 51 is communicated with speaker unit inside and outside, ensures inside loudspeakers airflow, guarantee loud speaker normally works sounding.Magnetic conductive board 5 is arranged through hole 51, be conducive to magnetic conductive board 5 and maximize design, magnetic conductive board 5 need not arrange avoiding structure to form through hole by corresponding second housing 12, increase magnetic conductive board 5 area, the maximization of magnetic conductive board 5 is arranged, magnetic conduction effect can be improved, improve the utility model speaker unit internal magnetic field intensity, thus improve the utility model speaker unit acoustical behavior.
The speaker unit of the present embodiment is long rectangle, and long rectangular magnetic conductive board 5 major axis is provided with while magnet, therefore arranges to not affect limit magnet, and the speaker unit of the present embodiment, the minor axis edge that through hole 51 is arranged at long rectangle magnetic conductive board 5 is divided.In order to ensure the air permeable effect of speaker unit inside, two minor axis limits of magnetic conductive board 5 are provided with through hole 51.As shown in Fig. 3 and Fig. 5, corresponding two through holes 51 in two minor axis limits of magnetic conductive board 5 are provided with depression 52, depression 52 can ensure that in through hole 51, air-flow is unimpeded, avoid speaker unit to be combined process peripheral equipment with external equipment and block through hole 51, simultaneously, as shown in Figure 1, Figure 2 and Figure 3, through hole 51 is provided with damping 6, damping 6 can improve the acoustical behavior of speaker unit, damping 6 is arranged in depression, improves the acoustical behavior of speaker unit under the prerequisite not increasing speaker unit height.
Preferred as one, as shown in Figures 3 and 4, the present embodiment speaker unit, vibrating diaphragm 2 includes the ring portion 21 extended to magnetic conductive board 5 direction, the second corresponding ring portion 21 of housing 12 is provided with avoiding structure 121, when avoiding structure 121 avoids vibrating diaphragm 2 to vibrate and shell 12 inwall produce wiping and touch, increase speaker unit oscillation space, improve loud speaker acoustical behavior.
As shown in Fig. 1, Fig. 2 and Fig. 3, in order to regulate the acoustical behavior of speaker unit, magnetic conductive board 5 is provided with damping 6 away from corresponding through hole 51 position, outside of the first housing 11, and damping 6 can regulate the air-flow of through hole 51, thus regulates the acoustical behavior of speaker unit.
The utility model speaker unit, magnetic conductive board arranges through hole, through hole is communicated with speaker unit inside and outside, magnetic conductive board need not arrange avoiding structure for shell and form the air-vent being communicated with loud speaker inside and outside, be conducive to the maximization design of magnetic conductive board, improve magnetic conduction effect, thus improve the magnetic field intensity in speaker unit, improve speaker unit acoustical behavior.Therefore, the utility model speaker unit has the good advantage of acoustical behavior.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.

Claims (5)

1. a speaker unit, involving vibrations system, magnetic circuit system and auxiliary system, the fixing described vibrational system of described auxiliary system collecting and magnetic circuit system, described magnetic circuit system comprises magnetic conductive board, is fixed on the magnet on described magnetic conductive board and washer ferropectic with described magnetic, described auxiliary system comprises shell, described magnetic conductive board and described shell secure bond, is characterized in that: described magnetic conductive board is provided with through hole, described through hole is communicated with described speaker unit inside and outside.
2. speaker unit according to claim 1, is characterized in that: described speaker unit is rectangle structure, and described shell is rectangle, and described magnetic conductive board corresponds to rectangle, and described through hole is arranged at the stub portion of described rectangle magnetic conductive board.
3. speaker unit according to claim 2, is characterized in that: described through hole is two, and described two through holes lay respectively at described rectangle magnetic conductive board two stub portion; Corresponding two through holes in two ends, described magnetic conductive board minor axis limit are respectively arranged with depression.
4. speaker unit according to claim 1, is characterized in that: described vibrational system comprises vibrating diaphragm, and described vibrating diaphragm comprises the ring portion extended to described magnetic conductive board direction, and the corresponding described ring portion of described shell is provided with avoiding structure.
5. the speaker unit according to the arbitrary claim of Claims 1-4, is characterized in that: described magnetic conductive board is provided with damping away from the corresponding described through hole in side of described shell.
CN201420356095.6U 2014-06-30 2014-06-30 Speaker unit Active CN204119494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420356095.6U CN204119494U (en) 2014-06-30 2014-06-30 Speaker unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420356095.6U CN204119494U (en) 2014-06-30 2014-06-30 Speaker unit

Publications (1)

Publication Number Publication Date
CN204119494U true CN204119494U (en) 2015-01-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420356095.6U Active CN204119494U (en) 2014-06-30 2014-06-30 Speaker unit

Country Status (1)

Country Link
CN (1) CN204119494U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111163406A (en) * 2019-12-30 2020-05-15 歌尔股份有限公司 Sound production device and speaker module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111163406A (en) * 2019-12-30 2020-05-15 歌尔股份有限公司 Sound production device and speaker module

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee after: Goertek Inc.

Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268

Patentee before: Goertek Inc.