CN208079380U - A kind of loudspeaker monomer and a kind of active noise reduction earplug - Google Patents
A kind of loudspeaker monomer and a kind of active noise reduction earplug Download PDFInfo
- Publication number
- CN208079380U CN208079380U CN201820371456.2U CN201820371456U CN208079380U CN 208079380 U CN208079380 U CN 208079380U CN 201820371456 U CN201820371456 U CN 201820371456U CN 208079380 U CN208079380 U CN 208079380U
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- Prior art keywords
- noise reduction
- microphone
- pad
- loudspeaker monomer
- voice coil
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- 239000000178 monomer Substances 0.000 title claims abstract description 48
- 238000003466 welding Methods 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 229910000679 solder Inorganic materials 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a kind of loudspeaker monomers and a kind of active noise reduction earplug.The loudspeaker monomer, including it is provided with the circuit board of voice coil wiring pad, circuit board is additionally provided with microphone switching bonding pad；Microphone switching bonding pad is configured as the signal wire of welding noise reduction microphone and the connecting line of earphone mainboard, to be electrically connected noise reduction microphone and earphone mainboard.By adding microphone switching bonding pad on the circuit board of loudspeaker monomer; connection for noise reduction microphone and earphone mainboard provides intermediate node; improve the utilization rate in operatic tunes space; it avoids the shortcomings that directly welding earphone mainboard connecting line on noise reduction microphone simultaneously; the sensitivity of noise reduction microphone can be protected, the performance and yields of active noise reduction earplug are improved.
Description
Technical field
The utility model is related to noise reduction earplug technical field, more particularly to a kind of loudspeaker monomer and a kind of active noise reduction ear
Plug.
Background technology
Currently, active noise reduction (Active noise control, abbreviation ANC) is the work(of an awfully hot door above earphone
Can, more and more people get used to the earphone with active noise reduction function, especially in noises such as aircraft, subway, buses
In bigger scene, active noise reduction earphone, which is capable of providing a quiet environment, allows user to enjoy music, converse etc..By
It is larger in headphone volume, there is inconvenience in terms of carrying, therefore for comparing, active noise reduction earplug is from wearing comfort
On have more advantages.
But the operatic tunes size of earplug has considerable restraint, active noise reduction earplug to require noise reduction microphone to be placed on the operatic tunes again
In, in order to connect microphone signal wire and earphone mainboard connecting line, need increase pinboard provide jig, however,
Due to the operatic tunes space very little of earplug, operated it is difficult to increase pinboard in the operatic tunes, therefore cabling is difficult.
Utility model content
It is limited in view of prior art earplug operatic tunes space, the problem of microphone cabling difficulty, it is proposed that the utility model
A kind of loudspeaker monomer and a kind of active noise reduction earplug.
According to the one side of the utility model, a kind of loudspeaker monomer is provided, including be provided with voice coil wiring pad
Circuit board, the circuit board is additionally provided with microphone switching bonding pad；
The microphone switching bonding pad is configured as the connection of the signal wire and earphone mainboard of welding noise reduction microphone
Line, to be electrically connected the noise reduction microphone and the earphone mainboard.
Optionally, the microphone switching bonding pad includes two groups, be electrically connected the positive and negative anodes of the noise reduction microphone with
The earphone mainboard；Microphone switching bonding pad described in every group includes two pads of electrical connection, and a pad is for welding noise reduction
One signal line of microphone, what another pad was used to weld earphone mainboard is correspondingly connected with line.
Optionally, two pads in microphone switching bonding pad described in every group, by covering copper electrical connection on circuit board；Or
Person, two pads in microphone switching bonding pad described in every group with a piece of sheet metal by forming.
Optionally, the voice coil wiring pad includes two groups, is electrically connected the positive and negative of the voice coil of the loudspeaker monomer
Pole and the earphone mainboard；Voice coil wiring pad described in every group includes two pads of electrical connection, and a pad is raised for welding
One voice coil line of sound device monomer, what another pad was used to weld earphone mainboard is correspondingly connected with line.
Optionally, two pads in voice coil wiring pad described in every group, by covering copper electrical connection on circuit board；Or
Person, two pads in voice coil wiring pad described in every group with a piece of sheet metal by forming.
Optionally, the microphone switching bonding pad is different from the size and/or shape of voice coil wiring pad.
Optionally, the microphone switching bonding pad is circle, and the voice coil wiring pad is rectangular.
Other side according to the utility model, it is proposed that a kind of active noise reduction earplug, the active noise reduction earplug include
Any one of them loudspeaker monomer, noise reduction microphone and earphone mainboard as above；
The voice coil line of the loudspeaker monomer is electrically connected by the voice coil wiring pad with the earphone mainboard；
The signal wire of the noise reduction microphone is electrically connected by the microphone switching bonding pad with the earphone mainboard.
Optionally, the noise reduction microphone is arranged in the preceding operatic tunes of the active noise reduction earplug.
Optionally, the noise reduction microphone is electret capacitor microphone.
In conclusion the utility model has the beneficial effects that：
By adding microphone switching bonding pad on the circuit board of loudspeaker monomer, loudspeaker monomer circuit board is made full use of
Spare space, provide welding node for the connection of noise reduction microphone and earphone mainboard, improve the utilization rate in operatic tunes space, together
When avoid the shortcomings that directly welding earphone mainboard connecting line on noise reduction microphone, the sensitive of noise reduction microphone can be protected
Degree improves the performance and yields of active noise reduction earplug.
Description of the drawings
Fig. 1 is a kind of board structure of circuit schematic diagrames for loudspeaker monomer that the utility model one embodiment provides；
Fig. 2 is the circuit connection diagram in a kind of active noise reduction earplug that the utility model one embodiment provides；
Fig. 3 is the cross-section structure signal of the operatic tunes before a kind of active noise reduction earplug that the utility model one embodiment provides
Figure；
Fig. 4 is that a kind of intermediate semi-finished products electrical connection for active noise reduction earplug that the utility model one embodiment provides is shown
It is intended to.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
The loudspeaker monomer circuit board of the utility model, has additional microphone switching bonding pad, for being used as connecting node, together
When welding noise reduction microphone signal wire and earphone mainboard connecting line, need not again be noise reduction microphone be arranged independent turn
Fishplate bar, improves the utilization rate in earplug operatic tunes space, while avoiding and directly welding the connection of earphone mainboard on noise reduction microphone
The shortcomings that line, can protect the sensitivity of noise reduction microphone, improve the performance and yields of active noise reduction earplug.
Fig. 1 is a kind of board structure of circuit schematic diagrames for loudspeaker monomer that the utility model one embodiment provides.Such as Fig. 1
Shown, a kind of loudspeaker monomer includes circuit board 101, voice coil wiring pad 103 is provided on the circuit board 101, voice coil connects
Wire bonding disk 103 connects the voice coil (not shown) of loudspeaker monomer by voice coil line 102, which is additionally provided with microphone
Switching bonding pad 104.
Microphone switching bonding pad 104 is configured as the signal wire of welding noise reduction microphone and the connecting line of earphone mainboard,
To be electrically connected noise reduction microphone and earphone mainboard.
On the circuit board 101 of loudspeaker monomer, microphone switching bonding pad 104 is added, to form transit node connection
Noise reduction microphone and earphone mainboard, by the connecting line of the signal wire of noise reduction microphone and earphone mainboard in the microphone switching bonding pad
It welds and connects at 104, take full advantage of the spare space of loudspeaker monomer circuit board 101, save the space of the operatic tunes.
Moreover, the connecting line of earphone mainboard is welded direct on noise reduction microphone in the prior art, it is easy to due to weldering
Jointing temp is excessively high, damages the performance of noise reduction microphone, leads to noise reduction microphone sensitivity decrease, final to influence active noise reduction earplug
Anti-acoustic capability.The present embodiment can also be kept away by the way that microphone switching bonding pad 104 is arranged on the circuit board 101 of loudspeaker monomer
Exempt from directly to weld noise reduction microphone the harmful effect of generation.Since 101 volume of circuit board of loudspeaker monomer is larger, it is utilized
Spare space adds microphone switching bonding pad 104, not will increase its area to connect a small amount of noise reduction microphone (such as 1-2), and
And weld and the performance of loudspeaker monomer will not be had an impact on loudspeaker monomer circuit board 101, it can ensure actively to drop
It makes an uproar the performance of earplug, improves the yields for making product.
In one embodiment of the utility model, as shown in Figure 1, microphone switching bonding pad 104 includes two groups, it is electric respectively
Connect positive and negative anodes and the earphone mainboard of noise reduction microphone, in Fig. 1, anode and earphone of one group of the left side for connecting noise reduction microphone
The correspondence solder joint of mainboard, cathode corresponding solder joint with earphone mainboard of one group of the right side for connecting noise reduction microphone.Every group of Mike
Wind switching bonding pad 104 includes two pads of electrical connection, and a pad is used to weld a signal line of noise reduction microphone, another
What a pad was used to weld earphone mainboard is correspondingly connected with line.
In one embodiment of the utility model, similarly, voice coil wiring pad 103 also includes two groups, is electrically connected respectively
Connect the positive and negative anodes of the voice coil of loudspeaker monomer and earphone mainboard, in Fig. 1, anode and earphone mainboard of one group of the left side for liaison circle
Correspondence solder joint, corresponding solder joint of the cathode with earphone mainboard of one group of right side for connecting voice coil.Every group of voice coil wiring pad 103
Two pads including electrical connection, a pad (upside pad) is used to weld a voice coil line 102 of loudspeaker monomer, another
What a pad (downside pad) was used to weld earphone mainboard is correspondingly connected with line.
In one embodiment of the utility model, every group of microphone switching bonding pad 104 or every group of voice coil wiring pad 103
Two interior pads are electrically connected, as shown in Figure 1 by the copper 105 that covers on circuit board.Alternatively, every group of microphone switching bonding pad 104
Or two pads in every group of voice coil wiring pad 103 are with a piece of sheet metal by forming, to conductive between the two pads.
In one embodiment of the utility model, the size of microphone switching bonding pad 104 and voice coil wiring pad 103
And/or shape is different.It is designed by the difference of appearance, is conducive to distinguish microphone switching bonding pad 104 and voice coil wiring pad
103, the wrong pad in assembling process is avoided, the production yields of active noise reduction earplug is influenced.
For example, in the embodiment illustrated in fig. 1 of the utility model, microphone switching bonding pad 104 is circle, voice coil wiring weldering
Disk 103 is rectangular, significantly to distinguish the two.It is, of course, also possible to be turned to distinguish microphone by using other shapes or size
Pad 104 and voice coil wiring pad 103 are connect, it is numerous to list herein.
The invention also discloses a kind of active noise reduction earplug, which includes any one of them as above
Loudspeaker monomer, noise reduction microphone 200 and earphone mainboard 301.As shown in Fig. 2, provided for the utility model one embodiment
The voice coil line 102 of a kind of internal circuit connection diagram of active noise reduction earplug, loudspeaker monomer passes through voice coil wiring pad 103
It is electrically connected with earphone mainboard 301.
The signal wire of noise reduction microphone 200 is electrically connected by microphone switching bonding pad 104 with earphone mainboard 301.
Specifically, four solder joints correspond to tetra- road signal of SPK+, SPK-, Mic+, Mic-, loud speaker list on earphone mainboard 301
It is located at two groups of intermediate voice coil wiring pads 103, and two groups of microphones switching positioned at the left and right sides on the circuit board 101 of body
Pad 104.The positive and negative anodes signal wire of noise reduction microphone 200 is coupled on the microphone switching bonding pad 104 of the left and right sides, with ear
The connecting line of mainboard 301 is connected to, and realizes the transmission of Mic+ and Mic- signals, and active noise reduction is realized for acquisition noise.
In some embodiments of the utility model, noise reduction microphone 200 is electret capacitor microphone (electret
Capaci tor micropho, abbreviation ECM), have the characteristics that small, simple in structure, electroacoustic performance is good, low-cost.
Fig. 3 is the cross-section structure signal of the operatic tunes before a kind of active noise reduction earplug that the utility model one embodiment provides
Figure, as shown in figure 3, in one embodiment of the utility model, the earplug in active noise reduction earplug is arranged in noise reduction microphone 200
In the preceding operatic tunes 303 that front housing 302 surrounds, the sound of the generation of loudspeaker monomer 100 can be effectively acquired, for realizing active noise reduction
The detection of earplug performance.
Fig. 4 is the intermediate semi-finished products electrical connection schematic diagram of active noise reduction earplug embodiment shown in Fig. 2, as shown in figure 4, this
When noise reduction microphone 200 signal wire be already welded on the microphone switching bonding pad 104 of loudspeaker monomer 100.In Fig. 4, a, b
2 points of positive and negative solder joints for loudspeaker monomer voice coil, 2 points of c, d are the positive and negative solder joint of noise reduction microphone 200.In this semi-finished product
It, can be with the transmission function of test loudspeaker monomer-noise reduction microphone under state：Electric signal is given to loudspeaker monomer 100 by sound card
Sounding, noise reduction microphone 200 receive acoustical signal, are converted into electric signal and feed back to sound card, to pass through the electric signal fed back to
Analyze the transmission function of loudspeaker monomer-noise reduction microphone.This test result can effectively detect loudspeaker monomer 100 and drop
The performance of microphone of making an uproar and the leakproofness and assembling consistency of loudspeaker monomer 100 and earplug front housing 302.
Moreover, in previous detection process, the mode of clamp is typically used, by noise reduction microphone signal wire and ear
Mainboard connecting line clamps conducting, and the loudspeaker monomer board design of the utility model, the signal wire of noise reduction microphone and
The voice coil line of loudspeaker monomer, which all has connected, to be fixed on circuit board 101, can be directly with probe by earphone when detection
Each signal of mainboard terminates on tetra- solder joints of a, b, c, d, eliminates the cumbersome of clamp, and test is more convenient.
Above description is only a specific implementation of the present invention, under the above-mentioned introduction of the utility model, this field
Technical staff can carry out other improvement or deformation on the basis of the above embodiments.It will be understood by those skilled in the art that
Above-mentioned specific descriptions only preferably explain the purpose of this utility model, and the scope of protection of the utility model should be with claim
Protection domain subject to.
Claims (10)
1. a kind of loudspeaker monomer, including it is provided with the circuit board of voice coil wiring pad, which is characterized in that the circuit board is also set
It is equipped with microphone switching bonding pad；
The microphone switching bonding pad is configured as the signal wire of welding noise reduction microphone and the connecting line of earphone mainboard, with
It is electrically connected the noise reduction microphone and the earphone mainboard.
2. loudspeaker monomer according to claim 1, which is characterized in that the microphone switching bonding pad includes two groups, point
It is not electrically connected the positive and negative anodes of the noise reduction microphone and the earphone mainboard；Microphone switching bonding pad described in every group includes electrical connection
Two pads, pad is used to weld a signal line of noise reduction microphone, another pad is for welding earphone mainboard
Be correspondingly connected with line.
3. loudspeaker monomer according to claim 2, which is characterized in that two in microphone switching bonding pad described in every group
Pad, by covering copper electrical connection on circuit board；Alternatively, two pads in microphone switching bonding pad described in every group are by the same as a piece of
Sheet metal is formed.
4. loudspeaker monomer according to claim 1, which is characterized in that the voice coil wiring pad includes two groups, respectively
It is electrically connected the positive and negative anodes of the voice coil of the loudspeaker monomer and the earphone mainboard；Voice coil wiring pad described in every group includes being electrically connected
Two pads connect, a pad are used to weld a voice coil line of loudspeaker monomer, another pad is for welding earphone master
Plate is correspondingly connected with line.
5. loudspeaker monomer according to claim 4, which is characterized in that two welderings in voice coil wiring pad described in every group
Disk, by covering copper electrical connection on circuit board；Alternatively, two pads in voice coil wiring pad described in every group are by same piece of metal
Piece is formed.
6. loudspeaker monomer according to claim 1, which is characterized in that the microphone switching bonding pad connects with the voice coil
The size and/or shape of wire bonding disk is different.
7. loudspeaker monomer according to claim 6, which is characterized in that the microphone switching bonding pad is circle, described
Voice coil wiring pad is rectangular.
8. a kind of active noise reduction earplug, which is characterized in that the active noise reduction earplug includes such as claim 1-7 any one of them
Loudspeaker monomer, noise reduction microphone and earphone mainboard；
The voice coil line of the loudspeaker monomer is electrically connected by the voice coil wiring pad with the earphone mainboard；
The signal wire of the noise reduction microphone is electrically connected by the microphone switching bonding pad with the earphone mainboard.
9. active noise reduction earplug according to claim 8, which is characterized in that the noise reduction microphone is arranged in the active
In the preceding operatic tunes of noise reduction earplug.
10. active noise reduction earplug according to claim 8, which is characterized in that the noise reduction microphone is electret capacitor
Formula microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371456.2U CN208079380U (en) | 2018-03-16 | 2018-03-16 | A kind of loudspeaker monomer and a kind of active noise reduction earplug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371456.2U CN208079380U (en) | 2018-03-16 | 2018-03-16 | A kind of loudspeaker monomer and a kind of active noise reduction earplug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208079380U true CN208079380U (en) | 2018-11-09 |
Family
ID=64046171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371456.2U Active CN208079380U (en) | 2018-03-16 | 2018-03-16 | A kind of loudspeaker monomer and a kind of active noise reduction earplug |
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| CN (1) | CN208079380U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495809A (en) * | 2019-01-05 | 2019-03-19 | 深圳市韶音科技有限公司 | Bone conduction speaker device |
| US11906817B2 (en) | 2018-08-24 | 2024-02-20 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
-
2018
- 2018-03-16 CN CN201820371456.2U patent/CN208079380U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11906817B2 (en) | 2018-08-24 | 2024-02-20 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
| US11940670B2 (en) | 2018-08-24 | 2024-03-26 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
| US11940669B2 (en) | 2018-08-24 | 2024-03-26 | Shenzhen Shokz Co., Ltd. | Glasses |
| US11977275B2 (en) | 2018-08-24 | 2024-05-07 | Shenzhen Shokz Co., Ltd. | Glasses |
| US12248197B2 (en) | 2018-08-24 | 2025-03-11 | Shenzhen Shokz Co., Ltd. | Glasses |
| US12386209B2 (en) | 2018-08-24 | 2025-08-12 | Shenzhen Shokz Co., Ltd. | Eyeglasses |
| CN109495809A (en) * | 2019-01-05 | 2019-03-19 | 深圳市韶音科技有限公司 | Bone conduction speaker device |
| CN109495809B (en) * | 2019-01-05 | 2024-01-26 | 深圳市韶音科技有限公司 | bone conduction speaker device |
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