CN203193841U - An in-ear earphone with multiple dynamic driving units - Google Patents
An in-ear earphone with multiple dynamic driving units Download PDFInfo
- Publication number
- CN203193841U CN203193841U CN 201320111056 CN201320111056U CN203193841U CN 203193841 U CN203193841 U CN 203193841U CN 201320111056 CN201320111056 CN 201320111056 CN 201320111056 U CN201320111056 U CN 201320111056U CN 203193841 U CN203193841 U CN 203193841U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- ear
- dynamic driver
- loud speaker
- earphone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses an in-ear earphone with multiple dynamic driving units in the earphone field. The in-ear earphone comprises an earphone casing having an accommodation space and an audio assembly mounted inside the earphone casing. The audio assembly is a multi-path system structure composed of the multiple dynamic driving units. The dynamic driving units are respectively formed by a high-frequency dynamic driver and a low-intermediate frequency dynamic driver. A sound transmission pipe is contained in the accommodation space of the earphone casing. The high-frequency dynamic driver is arranged in the front end of the sound transmission pipe, while the low-intermediate frequency dynamic driver is arranged in the rear end of the sound transmission pipe. The multi-path earphone formed by utilizing the multiple dynamic driving units according to the utility model is configured with the high-frequency dynamic driver and the low-intermediate frequency dynamic driver, so that the earphone has treble-bass and excellent high-frequency expansion characteristics, provides a greater bandwidth for audio playing, and also enables sound channels to be more stable and to have the greater bandwidth. Simultaneously, the in-ear earphone is simple in structure, low in production cost, and convenient for wide popularization.
Description
Technical field
The utility model relates to the earphone field, is specifically related to insert earphone, particularly has the In-Ear Headphones of many dynamic driving unit.
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 frequency, video player, MP3 player, personal digital assistant, smart mobile phone and panel computer etc.The internal memory of these equipment is bigger, volume is littler, 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 the same category of device, converts all electronic signals to audible signal.The characteristics that these earphones have is in light weight, 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.Because single dynamic driving design can't cover people's whole sense of hearing bandwidth, so the frequency bandwidth of these earphones is always limited.The more advanced earphone of other structures uses extra balanced armature loud speaker to make up two-way even three road earphones.These earphones can also provide very large bandwidth, but the cost that makes up this blended sensor system is very high.
Comparatively speaking, in insert earphone, use the design of two dynamic coil-moving speakers to have high performance-price ratio, the spread bandwidth similar with the hybrid speaker design to a plurality of balanced armature loud speakers of can regenerating.Existing the utility model people works out a multichannel earphone that utilizes a plurality of dynamic driving unit to form, and it produces low-cost, and has expanded the frequency bandwidth of earphone.
The utility model content
The purpose of this utility model is to solve above defective, designs a kind of multichannel earphone that utilizes a plurality of dynamic driving unit to form, and it produces low-cost, and has high bass and remarkable high frequency extension feature, has expanded the frequency bandwidth of earphone.
The purpose of this utility model realizes 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 the ear casing of being with spatial accommodation and be installed in the interior audio-frequency assembly of this ear casing, this ear casing front end is with ear pad, the multiloop loop system structure that this audio-frequency assembly is made up 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 installed in the front end of voice tube, between high frequency dynamic driver and human body ear drum membrane, form the shortest distance, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver and the 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 ear casing inside is divided into the volume space that former and later two are used for sound insulation, sound proof box and back sound proof box before being respectively, and be provided with preceding sound hole for the control LF-response at preceding sound proof box, be connected to the back sound proof box by preceding sound hole, sound hole is provided with the perforate of leading to human antrum auris before this, is provided with for the back sound hole that communicates with atmosphere at the back sound proof box.
The utility model patent is at insert earphone, for the audio frequency broadcast provides bigger bandwidth.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 utility model 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 first voice coil loudspeaker voice coil that is located at the first loud speaker frame center of inside position and first speaker diaphragm that is attached on first voice coil loudspeaker voice coil, and be provided with for first annular magnet of forming first magnetic circuit in the first voice coil loudspeaker voice coil outer periphery, in less diameter range, provide the strongest susceptibility for the high frequency dynamic driver.Be provided with first magnetic guiding cycle in the first voice coil loudspeaker voice coil inboard, and below first magnetic guiding cycle, be provided with the first control circuit plate.
As preferably, between described first magnetic guiding cycle and first control circuit plate, also be provided with first damper for the control high frequency response.
As preferably, be provided be used to preventing that foreign matter from destroying the dirt catcher of first speaker diaphragm in first speaker diaphragm the place ahead, this dirt catcher edge and the first loud speaker frame internal edges are along being fastened.
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 to mate with the frequency of operation of high frequency dynamic driver, carries out transition stably between two drivings.Described Low Medium Frequency dynamic driver is made up of second voice coil loudspeaker voice coil, second magnetic circuit and second speaker diaphragm that is attached on second voice coil loudspeaker voice coil, this second magnetic circuit is configured to by second loud speaker of second magnetic guiding cycle that is located at the second voice coil loudspeaker voice coil inboard, second annular magnet and a fixation, and is provided with the second control circuit plate below this second loud speaker frame.Second magnetic guiding cycle, second annular magnet and the second loud speaker frame form magnetic gap, when electric current by second voice coil loudspeaker voice coil, it interacts with permanent-magnetic field in the magnetic gap, produces innervation at second voice coil loudspeaker voice coil, the motion of second voice coil loudspeaker voice coil makes the second speaker diaphragm excitation, produces sound then.
In addition, the susceptibility of second annular magnet and first annular magnet is complementary, for two dynamic drivers provide close susceptibility.Each dynamic earphone uses at the different frequency band, and the bandwidth bigger than single dynamic driving is provided.
As preferably, between the second loud speaker frame and second control circuit plate, also be provided with second damper for the response of control Low Medium Frequency.
As preferably, the described second loud speaker frame is U-shaped shelf structure.
The beneficial effect that the utility model produces is: the multichannel earphone that this patent utilizes a plurality of dynamic driving unit to form, design has 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 bigger bandwidth.The high frequency dynamic driver is installed in the front end of voice tube, between high frequency dynamic driver and human body ear drum membrane, formed the shortest distance, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver and the 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 big bandwidth.Simultaneously, it is simple in structure, produces low cost, is convenient to extensive popularization.
Description of drawings
Fig. 1 is global sections figure of the present utility model;
Fig. 2 is the sectional view of the utility model high frequency dynamic driver;
Fig. 3 is the sectional view of the utility model Low Medium Frequency dynamic driver;
Among the figure, (1) ear casing, (2) ear pad, (3) high frequency dynamic driver, (4) Low Medium Frequency dynamic driver, (5) voice tube, (6) preceding sound proof box, (7) back sound proof box, (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.
Embodiment
Further describe the utility model below in conjunction with drawings and Examples; based on the embodiment in the utility model; those of ordinary skills belong to the scope that the utility model is protected not making all embodiment that obtain under the creative work prerequisite.
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) of being with spatial accommodation and be installed in the interior audio-frequency assembly of this ear casing (1), this ear casing (1) front end is with ear pad (2), the multiloop loop system structure that this audio-frequency assembly is made up 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, and 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 installed in the front end of voice tube (5), between high frequency dynamic driver (3) and human body ear drum membrane, form the shortest distance, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver (3) and the 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) inside is divided into the volume space that former and later two are used for sound insulation, be respectively preceding sound proof box (6) and back sound proof box (7), and be provided with preceding sound hole for the control LF-response at preceding sound proof box (6), be connected to back sound proof box (7) by preceding sound hole, should be provided with the perforate (8) of leading to human antrum auris in preceding sound hole, be provided with for the back sound hole that communicates with atmosphere at back sound proof box (7).
Present embodiment is at insert earphone, for the audio frequency broadcast provides bigger bandwidth.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 first voice coil loudspeaker voice coil (10) that is located at first loud speaker frame (9) the center of inside position and is attached to first speaker diaphragm (11) on first voice coil loudspeaker voice coil (10), and be provided with for first annular magnet (12) of forming first magnetic circuit in first voice coil loudspeaker voice coil (10) outer periphery, in less diameter range, provide the strongest susceptibility for high frequency dynamic driver (3).Be provided with first magnetic guiding cycle (13) in first voice coil loudspeaker voice coil (10) inboard, and be provided with first control circuit plate (14) in first magnetic guiding cycle (13) below.Between described first magnetic guiding cycle (13) and first control circuit plate (14), also be provided with first damper (15) for the control high frequency response.Be provided be used to preventing that foreign matter from destroying the dirt catcher of first speaker diaphragm (11) (16) in first speaker diaphragm (11) the place ahead, this dirt catcher (16) edge and first loud speaker frame (9) internal edges are along being fastened.
Described Low Medium Frequency dynamic driver (4) is made up of second voice coil loudspeaker voice coil (17), second magnetic circuit and second speaker diaphragm (18) that is attached on 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 second magnetic guiding cycle (19) of second voice coil loudspeaker voice coil (17), second annular magnet (20) and a fixation, and is provided with second control circuit plate (22) in this second loud speaker frame (21) below.Second magnetic guiding cycle (19), second annular magnet (20) and the second loud speaker frame (21) form magnetic gap, when electric current passes through second voice coil loudspeaker voice coil (17), permanent-magnetic field in it and the magnetic gap interacts, produce dynamic at second voice coil loudspeaker voice coil (17), the motion of second voice coil loudspeaker voice coil (17) makes second speaker diaphragm (18) excitation, produces sound then.
In addition, second annular magnet (20) is complementary with the susceptibility of first annular magnet (12), for two dynamic drivers provide close susceptibility.Each dynamic earphone uses at the different frequency band, and the bandwidth bigger than single dynamic driving is provided.Between the second loud speaker frame (21) and second control circuit plate (22), also be provided with second damper (23) for the response of control Low Medium Frequency.
The multichannel earphone that this patent utilizes a plurality of dynamic driving unit to form, design has 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 bigger bandwidth.High frequency dynamic driver (3) is installed in the front end of voice tube (5), between high frequency dynamic driver (3) and human body ear drum membrane, formed the shortest distance, such arrangement can guarantee that the high-frequency loss of sound transmission between high frequency dynamic driver (3) and the 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 big 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) of being with spatial accommodation and be installed in the interior audio-frequency assembly of this ear casing (1), this ear casing (1) front end is with ear pad (2), it is characterized in that: the multiloop loop system structure that this audio-frequency assembly is made up 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) inside is divided into the volume space that former and later two are used for sound insulation, be respectively preceding sound proof box (6) and back sound proof box (7), and be provided with preceding sound hole for the control LF-response at preceding sound proof box (6), be connected to back sound proof box (7) by preceding sound hole, should be provided with the perforate (8) of leading to human antrum auris in preceding sound hole, be provided with for the back sound hole that communicates with atmosphere at back sound proof box (7).
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 first voice coil loudspeaker voice coil (10) that is located at first loud speaker frame (9) the center of inside position and is attached to first speaker diaphragm (11) on first voice coil loudspeaker voice coil (10), and be provided with for first annular magnet (12) of forming first magnetic circuit in first voice coil loudspeaker voice coil (10) outer periphery, be provided with first magnetic guiding cycle (13) in first voice coil loudspeaker voice coil (10) inboard, and be provided with first control circuit plate (14) in first magnetic guiding cycle (13) below.
3. In-Ear Headphones according to claim 2 is characterized in that: also be provided with first damper (15) for the control high frequency response between described first magnetic guiding cycle (13) and first control circuit plate (14).
4. In-Ear Headphones according to claim 2, it is characterized in that: be provided with in first speaker diaphragm (11) the place ahead be used to preventing that foreign matter from destroying the dirt catcher of first speaker diaphragm (11) (16), this dirt catcher (16) edge and first loud speaker frame (9) internal edges are along being fastened.
5. In-Ear Headphones according to claim 1, it is characterized in that: described Low Medium Frequency dynamic driver (4) is made up of second voice coil loudspeaker voice coil (17), second magnetic circuit and second speaker diaphragm (18) that is attached on 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 second magnetic guiding cycle (19) of second voice coil loudspeaker voice coil (17), second annular magnet (20) and a fixation, and is provided with second control circuit plate (22) in this second loud speaker frame (21) below.
6. In-Ear Headphones according to claim 5 is characterized in that: also be provided with second damper (23) for the response of control Low Medium Frequency between the second loud speaker frame (21) and second control circuit plate (22).
7. In-Ear Headphones according to claim 5, it is characterized in that: the described second loud speaker frame (21) is U-shaped shelf structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111056 CN203193841U (en) | 2013-03-12 | 2013-03-12 | An in-ear earphone with multiple dynamic driving units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111056 CN203193841U (en) | 2013-03-12 | 2013-03-12 | An in-ear earphone with multiple dynamic driving units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193841U true CN203193841U (en) | 2013-09-11 |
Family
ID=49110664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320111056 Expired - Fee Related CN203193841U (en) | 2013-03-12 | 2013-03-12 | An in-ear earphone with multiple dynamic driving units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179483A (en) * | 2013-03-12 | 2013-06-26 | 中名(东莞)电子有限公司 | In-ear headset with multiple dynamic drive units |
-
2013
- 2013-03-12 CN CN 201320111056 patent/CN203193841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179483A (en) * | 2013-03-12 | 2013-06-26 | 中名(东莞)电子有限公司 | In-ear headset with multiple dynamic drive units |
| CN103179483B (en) * | 2013-03-12 | 2016-06-08 | 中名(东莞)电子有限公司 | There is the In-Ear Headphones of many dynamic driving unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103179483B (en) | There is the In-Ear Headphones of many dynamic driving unit | |
| JP3150873U (en) | headphone | |
| JP3220967U (en) | Multi-vibration unit TWS earphone with built-in divider circuit | |
| CN101904179A (en) | Acoustic system | |
| CN101527873A (en) | Earphone | |
| CN201479347U (en) | Mixing double-unit earphone | |
| CN104185123A (en) | Sound production component of headphone or loudspeaker box | |
| CN101163350A (en) | Earphone | |
| CN214481253U (en) | Double-moving-coil micro loudspeaker | |
| CN206100391U (en) | Earphone subassembly and audio playback equipment | |
| CN201594910U (en) | Coaxial loudspeaker magnetic circuit and coaxial loudspeaker comprising the magnetic circuit | |
| CN203193841U (en) | An in-ear earphone with multiple dynamic driving units | |
| CN110267174B (en) | Independent sound field system in car based on miniature speaker | |
| CN204013994U (en) | Earphone | |
| CN203747954U (en) | Microphone and audio transmission system | |
| CN212305644U (en) | 9.1 sound channel bluetooth headset with headphone amplifier | |
| CN111866668B (en) | Multichannel bluetooth headset with earphone amplifier | |
| CN204559878U (en) | A kind of 5 conduit 5 unit combination move iron earphone | |
| JP4707160B2 (en) | headphone | |
| CN204104126U (en) | The pronunciation component of a kind of headphone or audio amplifier | |
| CN202652501U (en) | Double-speaker resonance portable sound box | |
| CN208015938U (en) | 2.1 sound channel microphones, Baffle Box of Bluetooth microphone all-in-one machine | |
| KR101258108B1 (en) | Dual vibration speaker and mobile device case speaker | |
| CN201426161Y (en) | earphone | |
| CN202634660U (en) | Headset capable of bidirectionally guiding voice |
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 |
Granted publication date: 20130911 Termination date: 20210312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |