CN103179483A - In-ear headset with multiple dynamic drive units - Google Patents
In-ear headset with multiple dynamic drive units Download PDFInfo
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- CN103179483A CN103179483A CN2013100778386A CN201310077838A CN103179483A CN 103179483 A CN103179483 A CN 103179483A CN 2013100778386 A CN2013100778386 A CN 2013100778386A CN 201310077838 A CN201310077838 A CN 201310077838A CN 103179483 A CN103179483 A CN 103179483A
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Abstract
The invention discloses an in-ear headset with multiple dynamic drive units in the field of headsets. The in-ear headset comprises a headset shell with an accommodating space and an audio component mounted in the headset shell, the audio component is a multichannel system structure composed of the multiple dynamic drive units, each dynamic drive unit is composed of a high-frequency dynamic drive and a low-frequency and medium-frequency drive, the accommodating space in the headset shell contains voice tubes, each high-frequency dynamic drive is arranged at the front end of each voice tube, and each low-frequency and medium-frequency drive is arranged at the rear end of the voice tube. The multichannel headset formed by the dynamic drive units has treble, bass and distinguished high-frequency extension characteristic as the high-frequency dynamic drives and the low-frequency and medium-frequency drives are designed, larger bandwidth is provided for audio play, and audio tracks are more stable and have larger bandwidth. In addition, the in-ear headset is simple in structure, low in production cost and convenient for wide popularization.
Description
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Technical field
The present invention relates to the earphone field, is specifically related to insert earphone, particularly has the In-Ear Headphones of many dynamic driving unit.
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Background technology
Along with the progress of science and technology, the extensive popularization of portable media instrument is used for personal entertainment more and more widely as digital audio, video player, MP3 player, personal digital assistant, smart mobile phone and panel computer etc.The internal memory of these equipment is larger, volume is less, reproduction time is more lasting, and supports multiple digital audio and video format.How advanced tube apparatus do not have, and earphone is play the most convenient of audio frequency and the personalized equipment of tool always.
Insert earphone is type the lightest in same category of device, converts all electronic signals to audible signal.The characteristics that these earphones have is lightweight, volume is little and be convenient for carrying.But the signal dynamics moving-coil structure that this earphone uses the industry to be in daily use usually is as the basic configuration of insert earphone.Can't cover people's whole sense of hearing bandwidth due to single dynamic driving design, so the frequency bandwidth of these earphones is always limited.The more advanced earphone of other structures uses extra balanced armature loud speaker to build even three road earphones of two-way.These earphones can also provide very large bandwidth, but the cost that builds this blended sensor system is very high.
Comparatively speaking, use the design of two dynamic coil-moving speakers to have high performance-price ratio in insert earphone, the spread bandwidth similar with the hybrid speaker design to a plurality of balanced armature loud speakers of can regenerating.The existing inventor works out a multichannel earphone that utilizes the unit formation of a plurality of dynamic driving, and it produces low-cost, and has expanded the frequency bandwidth of earphone.
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Summary of the invention
The objective of the invention is to solve above defective, design a kind of multichannel earphone that utilizes the unit formation of a plurality of dynamic driving, it produces low-cost, and has high bass and remarkable high frequency extension feature, has expanded the frequency bandwidth of earphone.
The objective of the invention is to realize in the following manner:
In-Ear Headphones with many dynamic driving unit, it is insert earphone equipment, its outside design can be adopted various shapes, as tack shape or collar-shaped.Comprise ear casing and the audio-frequency assembly that is arranged in this ear casing with spatial accommodation, this ear casing front end sleeve has ear pad, the multiloop loop system structure that this audio-frequency assembly is comprised of a plurality of dynamic driving unit, this dynamic driving unit is made of high frequency dynamic driver and Low Medium Frequency dynamic driver respectively, and the Low Medium Frequency dynamic driver forms low middle pitch and passes to user's duct by conducting channel.Spatial accommodation in this ear casing includes voice tube, the high frequency dynamic driver is located at the front end of this voice tube, and allow the acoustical signal of low-intermediate frequency to be transferred to duct from this voice tube, the high frequency dynamic driver is arranged on the front end of voice tube, form the shortest distance between high frequency dynamic driver and human body ear drum membrane, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver and human body ear drum membrane is minimum, forms better high frequency expansion.The Low Medium Frequency dynamic driver is located at the rear end of this voice tube, the Low Medium Frequency dynamic driver is positioned at the ear casing center of inside, and the ear casing interior separation is used for the volume space of sound insulation for former and later two, be respectively front sound proof box and rear sound proof box, and be provided with on front sound proof box for the front sound hole of controlling LF-response, be connected to rear sound proof box by front sound hole, this front sound hole is provided with the perforate of leading to human antrum auris, is provided with on rear sound proof box for the rear sound hole that communicates with atmosphere.
Patent of the present invention is play for audio frequency larger bandwidth is provided for insert earphone.Most of earphones are directly linked sound source by electric wire, lead-in wire and connector, have some earphones by radio link for example " bluetooth " pattern be connected to source device, for example mobile phone or personal music player.The present invention also has additional bluetooth module, can be used for wired and wireless mode.
As preferably, described high frequency dynamic driver comprises the first loud speaker frame and is fixed on the first loud speaker frame inner and electronic signal is converted to the electric power transducer of voice signal, this electric power transducer comprises the first voice coil loudspeaker voice coil that is located at the first loud speaker frame center of inside position and is attached to the first speaker diaphragm on the first voice coil loudspeaker voice coil, and be provided with for the first annular magnet that forms the first magnetic circuit in the first voice coil loudspeaker voice coil outer periphery, provide the strongest susceptibility for the high frequency dynamic driver in less diameter range.Be provided with the first magnetic guiding cycle in the first voice coil loudspeaker voice coil inboard, and be provided with the first control circuit plate below the first magnetic guiding cycle.
As preferably, also be provided with between described the first magnetic guiding cycle and first control circuit plate for the first damper of controlling high frequency response.
As preferably, be provided with in first speaker diaphragm the place ahead be used to preventing that foreign matter from destroying the dirt catcher of the first speaker diaphragm, this dirt catcher edge is fastened with the first loud speaker frame internal edges edge.
As preferably, described Low Medium Frequency dynamic driver is actually a dynamic pickup that converts the electrical signal to acoustical signal.It is positioned at ear casing inside, and its band of operation is controlled by passive change-over circuit, makes it the frequency of operation coupling with the high frequency dynamic driver, carries out transition stably between two drivings.Described Low Medium Frequency dynamic driver is comprised of the second voice coil loudspeaker voice coil, the second magnetic circuit and the second speaker diaphragm of being attached on the second voice coil loudspeaker voice coil, this second magnetic circuit is configured to by the second magnetic guiding cycle that is located at the second voice coil loudspeaker voice coil inboard, the second annular magnet and the second loud speaker of playing fixation, and is provided with the second control circuit plate below this second loud speaker frame.The second magnetic guiding cycle, the second annular magnet and the second loud speaker frame form magnetic gap, by the second voice coil loudspeaker voice coil, it interacts with permanent-magnetic field in magnetic gap, produces innervation on the second voice coil loudspeaker voice coil when electric current, the motion of the second voice coil loudspeaker voice coil makes the second speaker diaphragm excitation, then produces sound.
In addition, the susceptibility of the second annular magnet and the first annular magnet is complementary, for two dynamic drivers provide close susceptibility.Each dynamic headphone uses at the different frequency band, and the bandwidth larger than single dynamic driving is provided.
As preferably, also be provided with between the second loud speaker frame and second control circuit plate for the second damper of controlling the Low Medium Frequency response.
As preferably, described the second loud speaker frame is U-shaped shelf structure.
The beneficial effect that the present invention produces is: this patent utilizes the multichannel earphone of a plurality of dynamic driving unit formation, be designed with high frequency dynamic driver and Low Medium Frequency dynamic driver, make earphone have high bass and remarkable high frequency extension feature, playing for audio frequency provides larger bandwidth.The high frequency dynamic driver is arranged on the front end of voice tube, formed the shortest distance between high frequency dynamic driver and human body ear drum membrane, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver and human body ear drum membrane is minimum, forms better high frequency expansion.And, after the low-intermediate frequency acoustical signal that high-frequency acoustical signal that the high frequency dynamic driver sends and Low Medium Frequency dynamic driver send is mixed in hearer's duct, make sound channel more steady and have more large bandwidth.Simultaneously, it is simple in structure, produces low cost, is convenient to extensive popularization.
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Description of drawings
Fig. 1 is global sections figure of the present invention;
Fig. 2 is the sectional view of high frequency dynamic driver of the present invention;
Fig. 3 is the sectional view of Low Medium Frequency dynamic driver of the present invention;
﹠lt, b TranNum="79" ﹠gt, ﹠lt, / b ﹠gt, in figure, (1) ear casing, (2) ear pad, (3) high frequency dynamic driver, (4) Low Medium Frequency dynamic driver, (5) voice tube, (6) front sound proof box, (7) sound proof box after, (8) perforate, (9) first loud speaker framves, (10) first voice coil loudspeaker voice coils, (11) first speaker diaphragms, (12) first annular magnets, (13) first magnetic guiding cycles, (14) first control circuit plate, (15) first dampers, (16) dirt catcher, (17) second voice coil loudspeaker voice coils, (18) second speaker diaphragms, (19) second magnetic guiding cycles, (20) second annular magnets, (21) second loud speaker framves, (22) second control circuit plate, (23) second dampers.
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Embodiment
Further describe the present invention below in conjunction with drawings and Examples, based on the embodiment in the present invention, those of ordinary skills belong to not making all embodiment that obtain under the creative work prerequisite scope that the present invention protects.
the present embodiment, with reference to Fig. 1～Fig. 3, In-Ear Headphones with many dynamic driving unit, it is insert earphone equipment, comprise the ear casing (1) with spatial accommodation and be arranged on the interior audio-frequency assembly of this ear casing (1), this ear casing (1) front end sleeve has ear pad (2), the multiloop loop system structure that this audio-frequency assembly is comprised of a plurality of dynamic driving unit, this dynamic driving unit is made of high frequency dynamic driver (3) and Low Medium Frequency dynamic driver (4) respectively, Low Medium Frequency dynamic driver (4) forms low middle pitch and passes to user's duct by conducting channel.Spatial accommodation in this ear casing (1) includes voice tube (5), high frequency dynamic driver (3) is located at the front end of this voice tube (5), and allow the acoustical signal of low-intermediate frequency to be transferred to duct from this voice tube (5), high frequency dynamic driver (3) is arranged on the front end of voice tube (5), form the shortest distance between high frequency dynamic driver (3) and human body ear drum membrane, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver (3) and human body ear drum membrane is minimum, forms better high frequency expansion.Low Medium Frequency dynamic driver (4) is located at the rear end of this voice tube (5), Low Medium Frequency dynamic driver (4) is positioned at ear casing (1) center of inside, and ear casing (1) interior separation is used for the volume space of sound insulation for former and later two, be respectively front sound proof box (6) and rear sound proof box (7), and be provided with on front sound proof box (6) for the front sound hole of controlling LF-response, be connected to rear sound proof box (7) by front sound hole, before being somebody's turn to do, the sound hole is provided with the perforate (8) of leading to human antrum auris, is provided with on rear sound proof box (7) for the rear sound hole that communicates with atmosphere.
The present embodiment is play for audio frequency larger bandwidth is provided for insert earphone.in addition, described high frequency dynamic driver (3) comprises the first loud speaker frame (9) and is fixed on the first loud speaker frame (9) inner and electronic signal is converted to the electric power transducer of voice signal, this electric power transducer comprises the first voice coil loudspeaker voice coil (10) that is located at the first loud speaker frame (9) center of inside position and is attached to the first speaker diaphragm (11) on the first voice coil loudspeaker voice coil (10), and be provided with for the first annular magnet (12) that forms the first magnetic circuit in the first voice coil loudspeaker voice coil (10) outer periphery, provide the strongest susceptibility for high frequency dynamic driver (3) in less diameter range.Be provided with the first magnetic guiding cycle (13) in the first voice coil loudspeaker voice coil (10) inboard, and be provided with first control circuit plate (14) in the first magnetic guiding cycle (13) below.Also be provided with between described the first magnetic guiding cycle (13) and first control circuit plate (14) for the first damper (15) of controlling high frequency response.Be provided with in the first speaker diaphragm (11) the place ahead be used to preventing that foreign matter from destroying the dirt catcher (16) of the first speaker diaphragm (11), this dirt catcher (16) edge is fastened with the first loud speaker frame (9) internal edges edge.
Described Low Medium Frequency dynamic driver (4) is comprised of the second voice coil loudspeaker voice coil (17), the second magnetic circuit and the second speaker diaphragm (18) of being attached on the second voice coil loudspeaker voice coil (17), this second magnetic circuit is made of the second loud speaker frame (21) that is located at inboard the second magnetic guiding cycle (19) of the second voice coil loudspeaker voice coil (17), the second annular magnet (20) and a fixation, and is provided with second control circuit plate (22) below this second loud speaker frame (21).The second magnetic guiding cycle (19), the second annular magnet (20) and the second loud speaker frame (21) form magnetic gap, when electric current passes through the second voice coil loudspeaker voice coil (17), permanent-magnetic field in it and magnetic gap interacts, in the upper innervation that produces of the second voice coil loudspeaker voice coil (17), the motion of the second voice coil loudspeaker voice coil (17) makes the second speaker diaphragm (18) excitation, then produces sound.
In addition, the second annular magnet (20) is complementary with the susceptibility of the first annular magnet (12), for two dynamic drivers provide close susceptibility.Each dynamic headphone uses at the different frequency band, and the bandwidth larger than single dynamic driving is provided.Also be provided with between the second loud speaker frame (21) and second control circuit plate (22) for the second damper (23) of controlling the Low Medium Frequency response.
This patent utilizes the multichannel earphone of a plurality of dynamic driving unit formation, is designed with high frequency dynamic driver (3) and Low Medium Frequency dynamic driver (4), makes earphone have high bass and remarkable high frequency extension feature, and playing for audio frequency provides larger bandwidth.High frequency dynamic driver (3) is arranged on the front end of voice tube (5), formed the shortest distance between high frequency dynamic driver (3) and human body ear drum membrane, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver (3) and human body ear drum membrane is minimum, forms better high frequency expansion.And, after the low-intermediate frequency acoustical signal that high-frequency acoustical signal that high frequency dynamic driver (3) sends and Low Medium Frequency dynamic driver (4) send is mixed in hearer's duct, make sound channel more steady and have more large bandwidth.Simultaneously, it is simple in structure, produces low cost, is convenient to extensive popularization.
Claims (7)
1. the In-Ear Headphones that has many dynamic driving unit, comprise the ear casing (1) with spatial accommodation and be arranged on the interior audio-frequency assembly of this ear casing (1), this ear casing (1) front end sleeve has ear pad (2), it is characterized in that: the multiloop loop system structure that this audio-frequency assembly is comprised of a plurality of dynamic driving unit, this dynamic driving unit is made of high frequency dynamic driver (3) and Low Medium Frequency dynamic driver (4) respectively, spatial accommodation in this ear casing (1) includes voice tube (5), high frequency dynamic driver (3) is located at the front end of this voice tube (5), Low Medium Frequency dynamic driver (4) is located at the rear end of this voice tube (5), Low Medium Frequency dynamic driver (4) is positioned at ear casing (1) center of inside, and ear casing (1) interior separation is used for the volume space of sound insulation for former and later two, be respectively front sound proof box (6) and rear sound proof box (7), and be provided with on front sound proof box (6) for the front sound hole of controlling LF-response, be connected to rear sound proof box (7) by front sound hole, before being somebody's turn to do, the sound hole is provided with the perforate (8) of leading to human antrum auris, be provided with on rear sound proof box (7) for the rear sound hole that communicates with atmosphere.
2. In-Ear Headphones according to claim 1, it is characterized in that: described high frequency dynamic driver (3) comprises the first loud speaker frame (9) and is fixed on the first loud speaker frame (9) inner and electronic signal is converted to the electric power transducer of voice signal, this electric power transducer comprises the first voice coil loudspeaker voice coil (10) that is located at the first loud speaker frame (9) center of inside position and is attached to the first speaker diaphragm (11) on the first voice coil loudspeaker voice coil (10), and be provided with for the first annular magnet (12) that forms the first magnetic circuit in the first voice coil loudspeaker voice coil (10) outer periphery, be provided with the first magnetic guiding cycle (13) in the first voice coil loudspeaker voice coil (10) inboard, and be provided with first control circuit plate (14) in the first magnetic guiding cycle (13) below.
3. In-Ear Headphones according to claim 2, is characterized in that: also be provided with between described the first magnetic guiding cycle (13) and first control circuit plate (14) for the first damper (15) of controlling high frequency response.
4. In-Ear Headphones according to claim 2, it is characterized in that: be provided with in the first speaker diaphragm (11) the place ahead be used to preventing that foreign matter from destroying the dirt catcher (16) of the first speaker diaphragm (11), this dirt catcher (16) edge is fastened with the first loud speaker frame (9) internal edges edge.
5. In-Ear Headphones according to claim 1, it is characterized in that: described Low Medium Frequency dynamic driver (4) is comprised of the second voice coil loudspeaker voice coil (17), the second magnetic circuit and the second speaker diaphragm (18) of being attached on the second voice coil loudspeaker voice coil (17), this second magnetic circuit is made of the second loud speaker frame (21) that is located at inboard the second magnetic guiding cycle (19) of the second voice coil loudspeaker voice coil (17), the second annular magnet (20) and a fixation, and is provided with second control circuit plate (22) below this second loud speaker frame (21).
6. In-Ear Headphones according to claim 5, is characterized in that: also be provided with between the second loud speaker frame (21) and second control circuit plate (22) for the second damper (23) of controlling the Low Medium Frequency response.
7. In-Ear Headphones according to claim 5, it is characterized in that: described the second loud speaker frame (21) is U-shaped shelf structure.
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| CN201310077838.6A CN103179483B (en) | 2013-03-12 | 2013-03-12 | There is the In-Ear Headphones of many dynamic driving unit |
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| CN201310077838.6A CN103179483B (en) | 2013-03-12 | 2013-03-12 | There is the In-Ear Headphones of many dynamic driving unit |
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| RU2621362C1 (en) * | 2016-06-21 | 2017-06-02 | Михаил Викторович Кучеренко | Inter-channel headphone |
| RU2680663C2 (en) * | 2017-08-08 | 2019-02-25 | Михаил Викторович Кучеренко | In-ear headphone |
| CN111543067A (en) * | 2017-12-11 | 2020-08-14 | 迈特控股有限公司 | Distributed Transducer Suspension Cone (DTSC) |
| WO2020221254A1 (en) * | 2019-04-30 | 2020-11-05 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
| US11570556B2 (en) | 2014-01-06 | 2023-01-31 | 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 |
| US11595760B2 (en) | 2011-12-23 | 2023-02-28 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
| US11617045B2 (en) | 2014-01-06 | 2023-03-28 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| US11627419B2 (en) | 2014-01-06 | 2023-04-11 | 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 |
| CN117395564A (en) * | 2023-12-12 | 2024-01-12 | 成都水月雨科技有限公司 | Double-moving-coil two-frequency-division multi-moving-coil combined earphone and signal processing method |
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| US11595760B2 (en) | 2011-12-23 | 2023-02-28 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
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| US11356763B2 (en) | 2019-04-30 | 2022-06-07 | Shenzhen Shokz Co., Ltd. | Open 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 |
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| US11678098B2 (en) | 2019-04-30 | 2023-06-13 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus |
| WO2020221254A1 (en) * | 2019-04-30 | 2020-11-05 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
| US11706556B2 (en) | 2019-04-30 | 2023-07-18 | Shenzhen Shokz Co., Ltd. | Acoustic output apparatus |
| CN117395564A (en) * | 2023-12-12 | 2024-01-12 | 成都水月雨科技有限公司 | Double-moving-coil two-frequency-division multi-moving-coil combined earphone and signal processing method |
| CN117395564B (en) * | 2023-12-12 | 2024-03-08 | 成都水月雨科技有限公司 | Double-moving-coil two-frequency-division multi-moving-coil combined earphone and signal processing method |
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