CN110418262A - Sounding device - Google Patents
Sounding device Download PDFInfo
- Publication number
- CN110418262A CN110418262A CN201810720245.XA CN201810720245A CN110418262A CN 110418262 A CN110418262 A CN 110418262A CN 201810720245 A CN201810720245 A CN 201810720245A CN 110418262 A CN110418262 A CN 110418262A
- Authority
- CN
- China
- Prior art keywords
- sounding device
- voice coil
- electrically connected
- lead
- electrical connector
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The invention discloses a kind of sounding devices.The sounding device includes: voice coil, and four lead ends are led on the voice coil；Electrical connector, the electrical connector includes be electrically connected in four contact and at least two outer pads, the electrical connector is fixed in the sounding device, and the outer pad exposes from the outer surface of the sounding device, and the interior contact that is electrically connected is electrically connected with the outer pad respectively；Four lead ends are corresponded to be formed and are electrically connected with four interior contacts that are electrically connected respectively.Of the invention one has the technical effect that the electric connection mode of lead end and external circuit is simple and reliable.
Description
Technical field
The invention belongs to electroacoustic transduction technical fields, and in particular, to a kind of sounding device.
Background technique
Sounding device is the important acoustic element in electronic equipment, is a kind of transducing for electric signal being changed into acoustical signal
Device.Existing sounding device includes shell, and the magnetic circuit system and vibration component of setting inside the shell.
Wherein, moving-coil type sounding device is widely used in consumer electronics product, and working method can satisfy electronics
The demand of the loudspeaker of product, earpiece.But due to the design feature of moving-coil type sounding device itself, voice coil and vibrating diaphragm
The connectivity problem of polarization problem and voice coil leads is always the technical problem for being very difficult to solve.The sound of moving-coil type sounding device
Two voice coil lines needs of circle are drawn and are connected on pad from voice coil, and lead can form traction force to voice coil, one
Determine the vibration that voice coil can be interfered in degree.Voice coil is in vibration in the presence of the risk for pulling apart voice coil leads.Moreover, lead is from voice coil
The position of extraction and the extension shape of lead can impact the vibration of voice coil, cause vibrational system be it is asymmetric,
Voice coil is eventually led to polarize.
Those skilled in the art attempt to enable more leads to connect using the technological means for drawing more leads from voice coil
It connects at the different location around voice coil, shows to reduce the polarization of the voice coil due to caused by lead.But how will be most
The lead and external circuit of amount realize signal conduction at new technical problem.Lead, which increases to cause, introduces sound for external signal
The difficulty of circle increases, and every lead requires to be electrically connected the electricity to form the circuit of conducting external signal, in sounding device
The distribution of tie point, connection type are more complicated.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions of sounding device.
According to the first aspect of the invention, a kind of sounding device is provided, comprising: voice coil leads to four on the voice coil
Branch lead end；
Electrical connector includes be electrically connected in four contact and at least two outer pads, the electrical connection on the electrical connector
Part is fixed in the sounding device, and the outer pad exposes from the outer surface of the sounding device, it is described in be electrically connected
Contact is electrically connected with the outer pad respectively；
Four lead ends are corresponded to be formed and are electrically connected with four interior contacts that are electrically connected respectively.
Optionally, the electrical connector includes four outer pads.
Optionally, four interior contacts that are electrically connected correspond to be formed with four outer pads respectively is electrically connected.
Optionally, four interior contacts that are electrically connected are described outer with two in sounding device respectively in form in pairs
Pad electrical connection.
Optionally, the voice coil is formed by two voice coil line coilings, the lead-in wire terminal and leading-out terminal work of a voice coil line
For two lead ends, the lead-in wire terminal and leading-out terminal of another Zhi Suoshu voice coil line are as other two lead ends.
Optionally, the extraction location of the lead-in wire terminal of two voice coil lines is located at the side of the voice coil, two sounds
The extraction location of the leading-out terminal of astragal is located at the other side of the voice coil, and the electrical connector is configurable for will be described in two
Lead-in wire terminal is electrically connected, and two leading-out terminals are electrically connected.
Optionally, sounding device further includes magnetic circuit system, and the magnetic circuit system includes center magnetic path portion and side magnetic circuit part
Point, magnetic gap is formed between the center magnetic path portion and side magnetic circuit part, one end of the voice coil stretches to the magnetic gap
In,
The side magnetic circuit part respectively forms an opening in the position of corresponding two lead-in wire terminals and two leading-out terminals, described in two
Lead-in wire terminal and two leading-out terminals are electrically connected on contact by corresponding opening and in being welded on.
Optionally, two lead-in wire terminals and leading-out terminal are respectively around to the outside of corresponding side magnetic circuit part.
Optionally, the voice coil is in rectangular configuration, and the sounding device is integrally in rectangular configuration, four interior electrical connections
Point is respectively distributed to the periphery of the short side of the voice coil in form arranged side by side two-by-two.
Optionally, the outer pad is distributed in the corner location of the sounding device.
It optionally, further include shell, the shell is configured as carrying the voice coil and electrical connector.
Optionally, the outer pad exposes from the outer surface of the shell.
Optionally, the electrical connector includes four conductive sheets, and the conductive sheet injection molding is on the housing, each described
The both ends of conductive sheet are respectively as interior be electrically connected contact and the outer pad.
According to one embodiment of the disclosure, the contact that is electrically connected in four in sounding device is formed with four lead ends respectively
Electrical connection, and conductance passes to outside weld disk.Electric connection mode is simple and reliable, reduces the difficulty that multilead realizes signal conduction.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the vertical view schematic diagram of internal structure of sounding device provided by the invention；
Fig. 2 is the present invention looks up structural representation of sounding device provided by the invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
It include voice coil 1 and electrical connector in the sounding device the present invention provides a kind of sounding device.As shown in Figure 1, institute
It states and leads to four lead ends 11 on voice coil 1, correspondingly, the electrical connector includes that there are four the interior contacts 21 that is electrically connected.The electricity
Connector is fixed in the sounding device, four on voice coil 1 lead end 11 respectively with four it is described in be electrically connected contacts
21 form electrical connection.This connection type structure is simple, is easily achieved.Further, the electrical connector further includes having at least
Two outer pads 22.As shown in Fig. 2, the outer pad 22 exposes from the outer surface of the sounding device, the outer pad 22
For being electrically connected with external circuit.Each interior contact 21 that is electrically connected forms point connection with the outer pad 22 respectively.Pass through institute
The conducting effect of electrical connector is stated, external circuit can form signal circuit with voice coil 1, so that sounding device can be normally passed through
Voice signal realizes electroacoustic conversion function.
The structure design of this sounding device simplifies a plurality of leads end of voice coil and the conduction mode of external circuit.By matching
Setting includes the electrical connector of contact and at least two outer pads of being electrically connected in four, can be easily conducting to four lead ends
In signal circuit, is formed and be connected with external circuit.It avoids and lays complicated circuit in sounding device, reduce sounding device
Processing, assembly difficulty, while improving the reliability of sounding device.
The voice coil 1 is suspended from sounding device, and voice coil 1 can generate vibration when sounding device works, and then drive sounding
Component generates sound.Preferably, four interior contacts 21 that are electrically connected are evenly distributed in around voice coil 1 around voice coil 1, and four
The position that the lead end 11 is drawn from voice coil 1 be respectively correspondingly connected in be electrically connected contact 21 position it is mutually close.In this way,
Voice coil can be less also easy to produce polarization in operational vibration by the coupling force of relative equilibrium by four lead ends.
Optionally, the electrical connector includes that four outer pads 22 are as shown in Figure 2.In the electricity for needing to load the sounding device
In sub- equipment, can configure there are four respectively with four outer 22 signaling points of pad.It can be according to hair by four outer pads
The actual performance of acoustic device needs a little to form electrical connection with one or more interior are electrically connected respectively, and the present invention is not to this progress
Limitation.It is this to design the wide usage for improving the sounding device, and the circuit inside sounding device point can be further simplified
Cloth.It is evenly distributed in the embodiment on sounding device monomer, is inside electrically connected between contact and outer pad more in the outer pad
It is close, it is only necessary to which that electrical connection can be thus achieved in shorter circuit.
In a kind of optional embodiment, four it is described in be electrically connected contact can respectively with four outer pads one by one
Corresponding formation electrical connection.It is not interfere with each other between each interior contact that is electrically connected.In this way, every lead end passes through the interior contact and outer of being electrically connected
Pad guides to form an independent electric pathway.
In another optional embodiment, four interior contacts that are electrically connected can be in form in pairs, respectively
It is electrically connected with two outside weld disks formation in sounding device.That is, only there are two outer pad reality and interior contact and the lead of being electrically connected
End forms electrical connection.Other outer pads are not electrically connected with the component formation in sounding device.It is electric in groups of two
It is mutually conducted between tie point.The contact that is electrically connected in the two is electrically connected by the same outer pad and external circuit formation
It connects, the signal and current direction being passed through are consistent, are equivalent to parallel connection.This embodiment is not only suitable for including two outer
The sounding device of pad, be also applied for include the outer pad of four or other quantity sounding device.It is outer on sounding device
The quantity of pad is consistent, and can be improved the wide usage of the sounding device, and actually has several outer pads to be really used for signal
Conducting circuit, can be designed according to the demand of applied electronic product.
Preferably, the voice coil is formed by two voice coil line coilings.Every voice coil line all have a lead-in wire terminal and
One leading-out terminal.In this way, two lead-in wire terminals are as two lead ends；Two leading-out terminals are then used as other two lead
End；There are four lead ends altogether on its voice coil being wound.Pass through matching for the circuit layout mode to the electrical connector
It sets, two voice coil lines can be made to form parallel connection.Compared with the single-tone astragal voice coil of the prior art, the similar resistance the case where
Under, this voice coil line footpath is thinner, so that voice coil is thinner, magnetic gap can be narrower, has higher BL value, and then improve sound
The sensitivity of circle improves the vocal performance of sounding device.
Optionally, the position that the lead-in wire terminal of two leads is drawn from voice coil is located at two end regions of the side of voice coil；Two
The position that the leading-out terminal of branch lead is drawn from voice coil is located at two end regions of the other side of voice coil.The extraction location institute of lead-in wire terminal
The side of voice coil and the extraction location of leading-out terminal where the other side of voice coil be opposite.For example, the extraction of lead-in wire terminal
Position is in the left side of voice coil, then the extraction location of leading-out terminal is on the right side of voice coil.Alternatively, the extraction location of lead-in wire terminal is in voice coil
Upside, then the extraction location of leading-out terminal is in the downside of voice coil.With reference to the view direction of Fig. 1, the extraction location position of two lead-in wire terminals
Upper and lower ends region on the left of voice coil；The extraction location of two leading-out terminals is located at the upper and lower ends region on the right side of voice coil.Herein
" left side ", " right side " left side wall, right side wall of voice coil 7 for not implying that, and refer to voice coil left area, right region.
The electrical connector is configured as can be used for for two lead-in wire terminals being electrically connected, and then is connected to an outer pad
On；Two leading-out terminals can also be electrically connected by electrical connector, and then be connected on another outer pad.
The sounding device can also include magnetic circuit system, and magnetic circuit system can use well-known to those skilled in the art
Single magnetic structure, two magnetic route structure or multipath magnetic circuit structure.Such as in a specific embodiment of the invention, magnetic circuit system
Including center magnetic path portion and side magnetic circuit part.Optionally, at least one of center magnetic path portion and side magnetic circuit part include
Permanent magnet forms magnetic gap between center magnetic path portion and side magnetic circuit part.Magnetic circuit system can also include magnetic yoke, center magnetic path
Part and side magnetic circuit part are arranged in magnetic yoke.
Such as side magnetic circuit part can be integrally formed with magnetic yoke, be the sidewall portion for being formed in magnetic yoke edge, center
Magnetic circuit part can be the permanent magnet that magnetic yoke central area is arranged in, between the magnetic that magnetic circuit system is constituted with the sidewall portion of magnetic yoke
Gap.
It is also possible that magnetic yoke can use plate-like structure or peviform structure, center magnetic path portion includes being mounted on magnetic
The centring magnet of yoke central area, the magnet when magnetic circuit part includes being centrally located magnet lateral location.Side magnet can be with
There are two settings；There are four can certainly being arranged, be centrally located the surrounding of magnet, and four side magnet and centring magnet it
Between form the magnetic gap of magnetic circuit system.With reference to Fig. 1, four side magnet define approximate rectangular structure, and two neighboring
Side magnet, between be formed with opening, convenient for the extraction of subsequent voice coil line.
Preferably, as shown in Figure 1, the side magnetic circuit part is in each shape in position for corresponding to two lead-in wire terminals and two leading-out terminals
At an opening, two lead-in wire terminals and two leading-out terminals are electrically connected on contact by corresponding opening and in being welded on.It opens
The position lead end of being more convenient for of mouthful setting is drawn outward from voice coil.
Optionally, as shown in Figure 1, two lead-in wire terminals and leading-out terminal are respectively around to the outer of corresponding side magnetic circuit part
Side, then formed and be electrically connected with corresponding interior electrical connection point.Such as: each lead end passes through side after the extraction of the corner location of voice coil
The opening that is correspondingly formed on magnetic circuit part is simultaneously prolonged around to the outside of corresponding sides magnetic circuit part, and from the outside detour of side magnetic circuit part
It extends to and is electrically connected on contact in side magnetic circuit part periphery.The extension form of this lead end is able to extend the length of lead end
Degree reduces the obstruction problem that lead end may cause voice coil vibrations to enhance the deformability of lead end.On the other hand,
Also it can reduce the risk that lead end is pulled off.
Optionally, as shown in Figure 1, the voice coil 1 is in rectangular configuration, correspondingly, the sounding device is integrally in rectangle knot
Structure.Preferably, four it is described in be electrically connected contact 21 with form arranged side by side two-by-two be respectively distributed to the voice coil 1 short side it is outer
It encloses, as shown in Figure 1.It is electrically connected on contact 21 in close to each other two in this way, two lead ends close to each other can connect.
Moreover, symmetrical form as shown in Figure 1 can be improved the whole machine balancing of voice coil, lead end, voice coil vibration is further decreased
The risk of sounding polarization when dynamic.Two lead ends and two leading-out terminals can for example be drawn from four corner locations of voice coil, should
Four lead ends can be drawn from the short side of four corner regions of voice coil, can also be drawn from the long side of four corner regions
Out, it is not specifically limited herein.
Optionally, as shown in Fig. 2, the outer pad 22 can be distributed in the corner location of the sounding device.On the one hand,
Balance, the symmetry of sounding device entirety are higher, and the contact 21 that is easy to make to be electrically connected in each is electrically connected with the formation of outer pad 22.Separately
On the one hand, convenient for configuring signaling point on the electronic equipment for need to assemble the sounding device.It is set when the sounding device is packed into electronics
When standby upper, outer pad easily can be bonded to form conducting with signaling point.
Optionally, as shown in Figure 1, 2, the sounding device can also include shell 3, and the shell 3 is above-mentioned for carrying
The components such as voice coil 1, electrical connector.The electrical connector can be fixedly mounted on the shell 3, can also pass through the side such as injection molding
Formula is fixed in the structures such as the side wall of shell 3, bottom wall.The present invention limits not to this.Preferably, the electrical connector can be with
It is embedded in shell 3, and outer pad 22 then exposes from the outer surface of the shell 3.Similarly, being electrically connected contact 21 in described can
To expose from the surface of the internal cavities of the shell 3, it is electrically connected in order to which lead end is formed.
The present invention does not limit the form of the electrical connector.A kind of optional embodiment is, described to be electrically connected
Fitting includes four conductive sheets, and the structure at the both ends of every conductive sheet is respectively as interior be electrically connected contact and one
A outer pad.Four conductive sheets then make sounding device include be electrically connected in four groups contact and outer pad, and each interior electric
Tie point is only electrically connected with an outer pad.The preferably described fixed injection molding of conductive sheet is on the housing.Inside be electrically connected contact with
Electrical connections between outer pad are embedded in shell.It is inside electrically connected contact and outer pad is then exposed from shell.
In another optional embodiment, the electrical connector can be the circuit board of monolith, the interior electrical connection
Point and outer pad are both formed on the circuit board.Inside be electrically connected contact and outer pad combined spot connection type by circuit board
Circuit trace is realized.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (13)
1. a kind of sounding device characterized by comprising
Voice coil leads to four lead ends on the voice coil；
Electrical connector, the electrical connector include being electrically connected contact in four and at least two outer pads, the electrical connector are fixed
It is arranged in the sounding device, the outer pad exposes from the outer surface of the sounding device, the interior contact point that is electrically connected
It is not electrically connected with the outer pad；
Four lead ends are corresponded to be formed and are electrically connected with four interior contacts that are electrically connected respectively.
2. sounding device according to claim 1, which is characterized in that the electrical connector includes four outer pads.
3. sounding device according to claim 2, which is characterized in that four it is described in be electrically connected contact respectively and described in four
Outer pad corresponds to form electrical connection.
4. sounding device according to claim 1 or 2, which is characterized in that four it is described in be electrically connected contact in pairs
Form be electrically connected respectively with two outer pads in sounding device.
5. sounding device according to claim 1, which is characterized in that the voice coil is formed by two voice coil line coilings, and one
The lead-in wire terminal and leading-out terminal of Zhi Suoshu voice coil line are as two lead ends, the lead-in wire terminal of another Zhi Suoshu voice coil line and outlet
End is used as other two lead ends.
6. sounding device according to claim 5, which is characterized in that the extraction location of the lead-in wire terminal of two voice coil lines
Positioned at the side of the voice coil, the extraction location of the leading-out terminal of two voice coil lines is located at the other side of the voice coil, described
Electrical connector is configurable for for two lead-in wire terminals being electrically connected, and two leading-out terminals are connected electrically in one
It rises.
7. sounding device according to claim 6, which is characterized in that sounding device further includes magnetic circuit system, the magnetic circuit
System includes center magnetic path portion and side magnetic circuit part, forms magnetic gap between the center magnetic path portion and side magnetic circuit part,
One end of the voice coil stretches in the magnetic gap,
The side magnetic circuit part respectively forms an opening in the position of corresponding two lead-in wire terminals and two leading-out terminals, enters line described in two
End and two leading-out terminals are electrically connected on contact by corresponding opening and in being welded on.
8. sounding device according to claim 7, which is characterized in that two lead-in wire terminals and leading-out terminal are respectively around to right
The outside for the side magnetic circuit part answered.
9. sounding device according to claim 1, which is characterized in that the voice coil is in rectangular configuration, the sounding device
It is whole in rectangular configuration, four it is described in be electrically connected contact with form arranged side by side two-by-two be respectively distributed to the voice coil short side it is outer
It encloses.
10. sounding device according to claim 9, which is characterized in that the outer pad is distributed in the sounding device
Corner location.
11. sounding device according to claim 1, which is characterized in that further include shell, the shell is configured as carrying
The voice coil and electrical connector.
12. sounding device according to claim 11, which is characterized in that the outer pad is showed from the appearance of the shell
Out.
13. sounding device according to claim 2, which is characterized in that the electrical connector includes four conductive sheets, described
Conductive sheet is molded on the housing, and the both ends of each conductive sheet are respectively as interior be electrically connected contact and an institute
State outer pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/125465 WO2019205710A1 (en) | 2018-04-27 | 2018-12-29 | Sound producing device |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018206294873 | 2018-04-27 | ||
| CN2018206233460 | 2018-04-27 | ||
| CN201820629487 | 2018-04-27 | ||
| CN201810395906 | 2018-04-27 | ||
| CN201820623346 | 2018-04-27 | ||
| CN2018103959066 | 2018-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110418262A true CN110418262A (en) | 2019-11-05 |
Family
ID=68358028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810720245.XA Pending CN110418262A (en) | 2018-04-27 | 2018-07-03 | Sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110418262A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829247B (en) * | 2022-07-15 | 2024-01-11 | 富祐鴻科技股份有限公司 | Electrical connection structure of micro loudspeaker |
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| KR20110004291U (en) * | 2009-10-23 | 2011-04-29 | 후이저우 그로우징 일렉트로닉스 컴퍼니 리미티드 | A suspension having circuit function for a small speaker |
| CN202679603U (en) * | 2012-03-31 | 2013-01-16 | 歌尔声学股份有限公司 | Micro speaker and electronic device by using micro speaker |
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| TWI829247B (en) * | 2022-07-15 | 2024-01-11 | 富祐鴻科技股份有限公司 | Electrical connection structure of micro loudspeaker |
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Application publication date: 20191105 |