CN205142501U - Miniature sounder - Google Patents
Miniature sounder Download PDFInfo
- Publication number
- CN205142501U CN205142501U CN201520858212.3U CN201520858212U CN205142501U CN 205142501 U CN205142501 U CN 205142501U CN 201520858212 U CN201520858212 U CN 201520858212U CN 205142501 U CN205142501 U CN 205142501U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- magnet portion
- spring probe
- acoustic generator
- minitype acoustic
- 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.)
- Expired - Fee Related
Links
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a miniature sounder, it includes the basin frame, vibration system and magnetic circuit, vibration system includes vibrating diaphragm and voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is equipped with the voice coil loudspeaker voice coil lead wire, magnetic circuit includes the lower plate and sets up first magnet portion and the second magnet portion on the lower plate, at least one is the magnet steel in first magnet portion and the second magnet portion, second magnet portion sets up the formation magnetic gap around first magnet portion, second magnet portion is equipped with the breach, the basin has set up to extend to and has lacked intraoral lug, miniature sounder further includes the spring probe, the lug is equipped with the through -hole that is used for installing the spring probe, the spring probe is installed in the through -hole, the voice coil loudspeaker voice coil lead wire is connected with spring probe electricity, the spring probe touches the circular telegram of realization voice coil loudspeaker voice coil with miniature sounder's electrical signal input termination. The utility model provides a miniature sounder uses the spring probe to make electric connector and the breach of rational utilization second magnet portion formation can enlarge the magnetic circuit size in order to promote sensitivity and acoustic performance as far as possible.
Description
[technical field]
The utility model relates to electroacoustic transducer field, particularly relates to a kind of minitype acoustic generator.
[background technology]
The minitype acoustic generator of correlation technique uses pin shell fragment to be electrically connected part, and pin shell fragment needs to take very large space, limits the size of magnetic circuit system, is unfavorable for sensitivity and the acoustical behavior of minitype acoustic generator.
Spring probe (PogoPin), being also called as antenna thimble, probe, thimble etc., is a kind of precision connector be applied in the electronic products such as mobile phone, and spring probe stable performance, contact performance are high.
[utility model content]
The utility model provides a kind of use spring probe to be electrically connected breach that part and Appropriate application second magnet portion formed, can expand magnetic circuit system size as far as possible to promote the minitype acoustic generator of sensitivity and acoustical behavior.
The purpose of this utility model is achieved in that
A kind of minitype acoustic generator, it comprises frame and the vibrational system that is contained in described frame and magnetic circuit system, described vibrational system comprises vibrating diaphragm and drives the voice coil loudspeaker voice coil of described diaphragm oscillations, described voice coil loudspeaker voice coil is provided with voice coil leads, described magnetic circuit system comprises lower plate and the first magnet portion of being arranged on described lower plate and the second magnet portion, in described first magnet portion and described second magnet portion, at least one is magnet steel, described second magnet portion arranges formation magnetic gap around described first magnet portion, described voice coil loudspeaker voice coil is suspended in described magnetic gap, described second magnet portion is provided with breach, described frame is provided with the projection extended in described breach, described minitype acoustic generator comprises spring probe further, described projection is provided with the through hole for installing described spring probe, described spring probe is installed in described through hole, described voice coil leads is electrically connected on described spring probe, described spring probe contacts to realize described voice coil loudspeaker voice coil and is energized with the electric signal input end of described minitype acoustic generator.
Preferably, described spring probe is installed in described through hole to insert snap fit.
Preferably, described spring probe is installed in described through hole with injection molding manner.
Preferably, described second magnet portion is provided with 4, forms described breach between two adjacent the second magnet portion.
Preferably, described magnetic circuit system comprises the train wheel bridge be arranged in described second magnet portion further.
Preferably, the extension that described train wheel bridge comprises circumferential body portion and extends to frame from described circumferential body portion, described extension injection moulding is in described frame.
The utility model has the following advantages: minitype acoustic generator that the utility model provides use spring probe to be electrically connected breach that part and Appropriate application second magnet portion formed, can expand magnetic circuit system size as far as possible to promote sensitivity and acoustical behavior.
[accompanying drawing explanation]
The stereogram of the minitype acoustic generator that Fig. 1 provides for the utility model;
The three-dimensional exploded view of the minitype acoustic generator that Fig. 2 provides for the utility model;
The assembly schematic diagram of the lower plate of the minitype acoustic generator that Fig. 3 provides for the utility model, the first magnet portion and the second magnet portion;
The assembly schematic diagram of the lower plate of the minitype acoustic generator that Fig. 4 provides for the utility model, the first magnet portion, the second magnet portion and frame.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figures 1 to 4, be the minitype acoustic generator 1 that the utility model provides, it comprises frame 10, covers the protecgulum 11 and the vibrational system 20 be contained in frame 10 and magnetic circuit system 30 that are connected in frame 10.
The voice coil loudspeaker voice coil 22 that vibrational system 20 comprises vibrating diaphragm 21 and drives vibrating diaphragm 21 to vibrate, voice coil loudspeaker voice coil 22 is provided with voice coil leads 221.
Magnetic circuit system 30 comprises lower plate 31 and is arranged at the first magnet portion 32 and the second magnet portion 33 on lower plate 31, in first magnet portion 32 and described second magnet portion 33, at least one is magnet steel, in first magnet portion 32 and the second magnet portion 33, at least one can be understood as when only the first magnet portion 32 is for magnet steel for magnet steel, second magnet portion 33 is wholely set with lower plate 31, and now so-called lower plate 31 is a magnetic bowl structure with sidewall; When only the second magnet portion 33 is magnet steel, the first magnet portion 32 is wholely set with lower plate 31, and now so-called lower plate 31 is a T-type structure; When the first magnet portion 32 and the second magnet portion 33 are magnet steel, now lower plate 31 is a plate-like structure, as shown in the embodiment, second magnet portion 33 arranges around the first magnet portion 32 and forms magnetic gap 301, voice coil loudspeaker voice coil 22 is suspended in magnetic gap 301, and the second magnet portion 33 is provided with breach 302, in the present embodiment, second magnet portion 33 is provided with 4, forms above-mentioned breach 302 between two adjacent the second magnet portion 33.In addition, as a kind of preferred implementation, magnetic circuit system 30 comprises the train wheel bridge 34 be arranged in the second magnet portion 33 further, train wheel bridge 34 comprise circumferential body portion 341 and from circumferential body portion 341 to the extension 342 that frame 10 extends, extension 342 injection moulding is in frame 10.
Frame 10 is provided with the projection 101 extended in breach 302, minitype acoustic generator 1 comprises spring probe 60 further, projection 101 is provided with the through hole 1011 for mounting spring probe 60, spring probe 60 is installed in through hole 1011, spring probe 60 can be selected to insert snap fit and be installed in through hole 1011, also can select to be installed in through hole 1011 with injection molding manner.
Voice coil leads 221 is electrically connected on spring probe 60, and spring probe 60 contacts to realize voice coil loudspeaker voice coil 22 and is energized with the electric signal input end of minitype acoustic generator 1.
Minitype acoustic generator that the utility model provides use spring probe to be electrically connected breach that part and Appropriate application second magnet portion formed, can expand magnetic circuit system size as far as possible to promote sensitivity and acoustical behavior.
Above-described is only execution mode of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.
Claims (6)
1. a minitype acoustic generator, it comprises frame and the vibrational system that is contained in described frame and magnetic circuit system, described vibrational system comprises vibrating diaphragm and drives the voice coil loudspeaker voice coil of described diaphragm oscillations, described voice coil loudspeaker voice coil is provided with voice coil leads, described magnetic circuit system comprises lower plate and the first magnet portion of being arranged on described lower plate and the second magnet portion, in described first magnet portion and described second magnet portion, at least one is magnet steel, described second magnet portion arranges formation magnetic gap around described first magnet portion, described voice coil loudspeaker voice coil is suspended in described magnetic gap, described second magnet portion is provided with breach, it is characterized in that: described frame is provided with the projection extended in described breach, described minitype acoustic generator comprises spring probe further, described projection is provided with the through hole for installing described spring probe, described spring probe is installed in described through hole, described voice coil leads is electrically connected on described spring probe, described spring probe contacts to realize described voice coil loudspeaker voice coil and is energized with the electric signal input end of described minitype acoustic generator.
2. minitype acoustic generator according to claim 1, is characterized in that: described spring probe is installed in described through hole to insert snap fit.
3. minitype acoustic generator according to claim 1, is characterized in that: described spring probe is installed in described through hole with injection molding manner.
4. minitype acoustic generator according to claim 1, is characterized in that: described second magnet portion is provided with 4, forms described breach between two adjacent the second magnet portion.
5. minitype acoustic generator according to claim 1, is characterized in that: described magnetic circuit system comprises the train wheel bridge be arranged in described second magnet portion further.
6. minitype acoustic generator according to claim 5, is characterized in that: the extension that described train wheel bridge comprises circumferential body portion and extends to frame from described circumferential body portion, and described extension injection moulding is in described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858212.3U CN205142501U (en) | 2015-10-29 | 2015-10-29 | Miniature sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858212.3U CN205142501U (en) | 2015-10-29 | 2015-10-29 | Miniature sounder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205142501U true CN205142501U (en) | 2016-04-06 |
Family
ID=55628247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858212.3U Expired - Fee Related CN205142501U (en) | 2015-10-29 | 2015-10-29 | Miniature sounder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205142501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134347A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN114175679A (en) * | 2019-07-31 | 2022-03-11 | 谷歌有限责任公司 | Actuator module with improved damage tolerance |
-
2015
- 2015-10-29 CN CN201520858212.3U patent/CN205142501U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134347A1 (en) * | 2018-12-29 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| US10932059B2 (en) | 2018-12-29 | 2021-02-23 | AAC Technologies Pte. Ltd. | Speaker |
| CN114175679A (en) * | 2019-07-31 | 2022-03-11 | 谷歌有限责任公司 | Actuator module with improved damage tolerance |
| US11871202B2 (en) | 2019-07-31 | 2024-01-09 | Google Llc | Actuator module with improved damage resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20211029 |