CN205754812U - A kind of frequency dividing circuit of dynamic ferrum earphone - Google Patents
A kind of frequency dividing circuit of dynamic ferrum earphone Download PDFInfo
- Publication number
- CN205754812U CN205754812U CN201620438131.2U CN201620438131U CN205754812U CN 205754812 U CN205754812 U CN 205754812U CN 201620438131 U CN201620438131 U CN 201620438131U CN 205754812 U CN205754812 U CN 205754812U
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- frequency
- low frequency
- circuit
- dividing circuit
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Abstract
The utility model discloses the frequency dividing circuit of a kind of dynamic ferrum earphone, including: signal input unit is connected with frequency dividing circuit by the first electric capacity, described frequency dividing circuit includes medium and low frequency circuit and high-frequency circuit, described medium and low frequency circuit includes the first resistance and medium and low frequency branch road, wherein the first resistance is connected with medium and low frequency branch road, wherein medium and low frequency branch road includes adjustable resistance, medium and low frequency moves ferrum unit and the second electric capacity, wherein one end of adjustable resistance connects the first resistance, the other end of adjustable resistance connects medium and low frequency and moves ferrum unit, wherein medium and low frequency moves two ends second electric capacity in parallel of ferrum unit, described high-frequency circuit is moved ferrum unit by the 3rd electric capacity and high frequency and is composed in series, the outfan of described medium and low frequency circuit is connected with medium and low frequency sound guide tube, the outfan of described high-frequency circuit is connected with high frequency sound guide tube.Medium and low frequency and high-frequency signal are separated by this utility model by arranging frequency dividing circuit, strengthen sound locating effect, improve sound resolution.
Description
Technical field
This utility model relates to dynamic ferrum head circuit field, particularly to the frequency dividing circuit of a kind of dynamic ferrum earphone.
Background technology
Along with sound aesthetic feeling pursuit is improved constantly by people, have that soundproof effect is good, highly sensitive, frequency response
The dynamic ferrum earphone of the advantages such as curve is more stable, volume is slimmer and more graceful is widely used, the work of dynamic ferrum earphone
Principle is that voice coil loudspeaker voice coil is wound on the central authorities being positioned at permanent magnetic field and is referred to as on the accurate iron plate of " balanced armature ", this
Block iron plate drives vibrating diaphragm sounding under the effect of magnetic force, and the dynamic ferrum unit that dynamic ferrum earphone has is the most, music
It is the best to separate, but existing domestic and international market multiple-unit is moved ferrum earphone major part and used what single conduit do not divided to set
Meter, advantage is simple in construction, and shortcoming is that high rock noise does not carry out individual processing, sound in the process of sound
More noisy, in frequency response curve, bass part fluctuation is bigger.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that one
Plant the frequency dividing circuit of dynamic ferrum earphone.
This utility model solves its technical problem and be the technical scheme is that the frequency dividing electricity of a kind of dynamic ferrum earphone
Road, including: signal input unit is connected with frequency dividing circuit, during described frequency dividing circuit includes by the first electric capacity
Low-frequency channel and high-frequency circuit, described medium and low frequency circuit includes the first resistance and medium and low frequency branch road, wherein first
Resistance is connected with medium and low frequency branch road, and wherein medium and low frequency branch road includes that adjustable resistance, medium and low frequency move ferrum unit and
Two electric capacity, wherein one end of adjustable resistance connects the first resistance, and the other end of adjustable resistance connects medium and low frequency and moves
Ferrum unit, wherein medium and low frequency moves two ends second electric capacity in parallel of ferrum unit, and described high-frequency circuit is by the 3rd electric capacity
Moving ferrum unit with high frequency to be composed in series, the outfan of described medium and low frequency circuit is connected with medium and low frequency sound guide tube, institute
The outfan stating high-frequency circuit is connected with high frequency sound guide tube.
Further, described medium and low frequency circuit includes organizing medium and low frequency branch road more.
Further, in described medium and low frequency sound guide tube, it is provided with the first damping filter screen, in high frequency sound guide tube, is provided with
Two damping filter screens.
Further, the damped coefficient of the first damping filter screen is more than the damped coefficient of the second damping filter screen.
This utility model compared with prior art have the advantage that by arrange frequency dividing circuit by medium and low frequency and
High-frequency signal is separated, and audio signal is transported to the first electric capacity by signal input unit, straight through cutting off
Stream enters frequency dividing circuit after processing, and is wherein connected with medium and low frequency branch road by the first resistance decrement, and this practicality is new
Type can arrange multiple medium and low frequency branch road, provides multiple medium and low frequency signals by different medium and low frequency branch roads, in
The sound of low frequency signal and high-frequency signal move ferrum unit by medium and low frequency and high frequency move ferrum cell processing after enter respectively
Enter medium and low frequency sound guide tube and high frequency sound guide tube, strengthen sound locating effect, improve sound resolution, by
Second electric capacity is set on medium and low frequency branch road and obtains a low pass frequency divider, by the 3rd electric capacity, high-frequency circuit is entered
Row frequency dividing, it is achieved a single order high pass, removes medium and low frequency, plays high frequency, and on medium and low frequency branch road, series connection can
Adjust resistance, by the intensity of regulation adjustable resistance regulation output sound.
Accompanying drawing explanation
The frequency dividing circuit structure chart of a kind of dynamic ferrum earphone that Fig. 1 provides for this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment describes this utility model detailed description of the invention:
See Fig. 1, for the frequency dividing circuit structure chart of a kind of dynamic ferrum earphone that this utility model provides.
As it is shown in figure 1, the frequency dividing circuit of a kind of dynamic ferrum earphone, including: signal input unit 1 is by first
Electric capacity 2 is connected with frequency dividing circuit, and described frequency dividing circuit includes medium and low frequency circuit and high-frequency circuit, described in low
Frequency circuit includes the first resistance 3 and medium and low frequency branch road, and wherein the first resistance is connected with medium and low frequency branch road, wherein
Medium and low frequency branch road includes that adjustable resistance 4, medium and low frequency move ferrum unit 5 and the second electric capacity 6, wherein adjustable resistance 4
One end connect the first resistance 3, the other end of adjustable resistance 4 connects medium and low frequency and moves ferrum unit 5, wherein in low
Two ends second electric capacity 6 in parallel of the dynamic ferrum unit 5 of frequency, described high-frequency circuit is moved ferrum unit by the 3rd electric capacity and high frequency
Being composed in series, the outfan of described medium and low frequency circuit is connected with medium and low frequency sound guide tube 7, described high-frequency circuit
Outfan is connected with high frequency sound guide tube 11.
Medium and low frequency and high-frequency signal being separated by arranging frequency dividing circuit, audio signal is inputted by signal
Unit is transported to the first electric capacity, enters frequency dividing circuit, wherein by the first resistance after cutting off direct current and processing
Decay is connected with medium and low frequency branch road, and this utility model can arrange multiple medium and low frequency branch road, in different
Low frequency branch road provides multiple medium and low frequency signals, and the sound of medium and low frequency signal and high-frequency signal moves ferrum by medium and low frequency
Unit and high frequency respectively enter medium and low frequency sound guide tube and high frequency sound guide tube after moving ferrum cell processing, strengthen sound fixed
Position effect, improves sound resolution, obtains a low reduction of fractions to a common denominator by arranging the second electric capacity on medium and low frequency branch road
Frequently device, is divided high-frequency circuit by the 3rd electric capacity, it is achieved a single order high pass, removes medium and low frequency,
Play high frequency.Serial adjustable resistance on medium and low frequency branch road, by regulation adjustable resistance regulation output sound
Intensity.
Further, described medium and low frequency circuit includes organizing medium and low frequency branch road more.Medium and low frequency branch road can be two groups,
Three groups or four groups, so can be modulated with centering low-frequency sound, improve tonequality result of broadcast, concrete in low
Frequently branch road number is arranged as required to, and this is not restricted by this utility model.
Further, the first damping filter screen 8 it is provided with in described medium and low frequency sound guide tube 7, in high frequency sound guide tube 11
It is provided with the second damping filter screen 12.
Further, the damped coefficient of the first damping filter screen 8 is more than the damped coefficient of the second damping filter screen 12.
Carrying out output dropping acoustic pressure process by arranging the first damping screen and the second damping screen, the sound of different frequency leads to
Crossing the sound guide tube of corresponding damped coefficient, make the fluctuation of middle bass reduce, it is close that high pitch fluctuation slows down frequency response curve
Straight line, thus obtain perfect tonequality, improve the acoustic processing performance of dynamic ferrum earphone.
Above in conjunction with accompanying drawing, this utility model preferred implementation is explained in detail, but this utility model
It is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to
Make a variety of changes without departing from the premise of this utility model objective.
Many other can be made without departing from spirit and scope of the present utility model to change and remodeling.Should be appreciated that
This utility model is not limited to specific embodiment, and scope of the present utility model is defined by the following claims.
Claims (4)
1. the frequency dividing circuit of a dynamic ferrum earphone, it is characterised in that including: signal input unit (1) is led to
Crossing the first electric capacity (2) to be connected with frequency dividing circuit, described frequency dividing circuit includes medium and low frequency circuit and high-frequency circuit,
Described medium and low frequency circuit includes the first resistance (3) and medium and low frequency branch road, and wherein the first resistance props up with medium and low frequency
Connecting in road, wherein medium and low frequency branch road includes that adjustable resistance (4), medium and low frequency move ferrum unit (5) and the second electricity
Holding (6), wherein one end of adjustable resistance (4) connects the first resistance (3), adjustable resistance (4) another
One end connects medium and low frequency and moves ferrum unit (5), and wherein medium and low frequency moves two ends second electricity in parallel of ferrum unit (5)
Holding (6), described high-frequency circuit is moved ferrum unit by the 3rd electric capacity and high frequency and is composed in series, described medium and low frequency electricity
The outfan on road is connected with medium and low frequency sound guide tube (7), the outfan of described high-frequency circuit and high frequency sound guide tube
(11) connect.
The frequency dividing circuit of a kind of dynamic ferrum earphone the most according to claim 1, it is characterised in that described
Medium and low frequency circuit includes organizing medium and low frequency branch road more.
The frequency dividing circuit of a kind of dynamic ferrum earphone the most according to claim 1, it is characterised in that described
Being provided with the first damping filter screen (8) in medium and low frequency sound guide tube (7), high frequency sound guide tube is provided with second in (11)
Damping filter screen (12).
The frequency dividing circuit of a kind of dynamic ferrum earphone the most according to claim 3, it is characterised in that first
The damped coefficient of damping filter screen (8) is more than the damped coefficient of the second damping filter screen (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438131.2U CN205754812U (en) | 2016-05-12 | 2016-05-12 | A kind of frequency dividing circuit of dynamic ferrum earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620438131.2U CN205754812U (en) | 2016-05-12 | 2016-05-12 | A kind of frequency dividing circuit of dynamic ferrum earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754812U true CN205754812U (en) | 2016-11-30 |
Family
ID=57365796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620438131.2U Expired - Fee Related CN205754812U (en) | 2016-05-12 | 2016-05-12 | A kind of frequency dividing circuit of dynamic ferrum earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205754812U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714662A (en) * | 2017-10-26 | 2019-05-03 | 东莞市美耳电子有限公司 | A kind of Divide-by-3 circuit earphone |
| WO2020221359A1 (en) * | 2019-04-30 | 2020-11-05 | Shenzhen Voxtech Co., Ltd. | Open earphone |
| US11483661B2 (en) | 2011-12-23 | 2022-10-25 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
| US11570556B2 (en) | 2014-01-06 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11582563B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11582564B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11706574B2 (en) | 2014-01-06 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
-
2016
- 2016-05-12 CN CN201620438131.2U patent/CN205754812U/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11483661B2 (en) | 2011-12-23 | 2022-10-25 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
| US11706574B2 (en) | 2014-01-06 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11582564B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11582563B2 (en) | 2014-01-06 | 2023-02-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11570556B2 (en) | 2014-01-06 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| CN109714662A (en) * | 2017-10-26 | 2019-05-03 | 东莞市美耳电子有限公司 | A kind of Divide-by-3 circuit earphone |
| US11496824B2 (en) | 2019-04-30 | 2022-11-08 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus with drivers in multiple frequency ranges and bluetooth low energy receiver |
| US11178477B2 (en) | 2019-04-30 | 2021-11-16 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus with a plurality of acoustic drivers and methods thereof |
| US11425481B2 (en) | 2019-04-30 | 2022-08-23 | Shenzhen Shokz Co., Ltd. | Open earphone |
| US11356763B2 (en) | 2019-04-30 | 2022-06-07 | Shenzhen Shokz Co., Ltd. | Open earphone |
| US11516572B2 (en) | 2019-04-30 | 2022-11-29 | Shenzhen Shokz Co., Ltd. | Acoustic output device |
| US11540037B2 (en) | 2019-04-30 | 2022-12-27 | Shenzhen Shokz Co., Ltd. | Open earphone |
| US11540038B2 (en) | 2019-04-30 | 2022-12-27 | Shenzhen Shokz Co., Ltd. | Acoustic device |
| US11445281B2 (en) | 2019-04-30 | 2022-09-13 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus |
| US11570536B2 (en) | 2019-04-30 | 2023-01-31 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus and methods thereof |
| US11159870B2 (en) | 2019-04-30 | 2021-10-26 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
| US11122359B2 (en) | 2019-04-30 | 2021-09-14 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus and method thereof |
| US11115774B2 (en) | 2019-04-30 | 2021-09-07 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
| US11678098B2 (en) | 2019-04-30 | 2023-06-13 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus |
| WO2020221359A1 (en) * | 2019-04-30 | 2020-11-05 | Shenzhen Voxtech Co., Ltd. | Open earphone |
| US11856351B2 (en) | 2019-04-30 | 2023-12-26 | Shenzhen Shokz Co., Ltd. | Open earphone |
| US12120478B2 (en) | 2019-04-30 | 2024-10-15 | Shenzhen Shokz Co., Ltd. | Open earphone |
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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: 20161130 Termination date: 20170512 |