CN208522932U - A kind of double magnetic are total to chamber earphone horn - Google Patents
A kind of double magnetic are total to chamber earphone horn Download PDFInfo
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- CN208522932U CN208522932U CN201820761945.9U CN201820761945U CN208522932U CN 208522932 U CN208522932 U CN 208522932U CN 201820761945 U CN201820761945 U CN 201820761945U CN 208522932 U CN208522932 U CN 208522932U
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- washer
- magnetic ring
- fixed
- voice coil
- pcb board
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Abstract
The utility model discloses a kind of double magnetic to be total to chamber earphone horn, including protecting cover, rear cover, shell, the first washer of diaphragm voice coil and setting inside the shell, second washer, third washer, through-hole nail, internal magnetic ring and outer magnetic ring, the both ends that protecting cover and rear cover are fastened on shell respectively constitute cavity, diaphragm voice coil is fixed in protecting cover, first washer, internal magnetic ring, which is successively sleeved and fixed, follows closely surface in through-hole, outer magnetic ring is centered around outside internal magnetic ring, second washer, third washer is bonded two surfaces for being fixed on outer magnetic ring respectively, magnetic gap is formed between outer magnetic ring and internal magnetic ring, third washer is equipped with several through-holes, through-hole and magnetic gap form circulation canal, after cover and be fixed with pcb board and tuning net, diaphragm voice coil is just, cathode is electrically connected with pcb board, first washer, second washer is located at the side of protecting cover, third washer is located at rear cover one Side.The utility model is simple and compact for structure, and it is higher that sound parses reduction degree.
Description
Technical field
The utility model relates to sound device technical field, espespecially a kind of double magnetic earphone horns.
Background technique
With the continuous variation of the market demand, loudspeaker are increasingly widely applied as microphone device.Loudspeaker, You Mingwei
Loudspeaker, be it is a kind of can convert electrical signals to voice signal, and be radiated the electroacoustic transducer in air.Currently, with people
Continuous improvement to Music Appreciation power, the loudspeaker sound effect of existing list magnetic circuit single-tone circle be unable to satisfy the demand of people.
For the sound effect realized and multitone domain is taken into account, some are in an earphone using independent two or more loudspeakers
, some are that the forms such as coaxial are merged into using double horn, still, if certainly will increase product with two or more loudspeaker
Volume and cost.Also some are led using two voice coils since the magnetic field utilization rate of single magnet assembly is low in a loudspeaker
It causes the driving force formed smaller, so that power is low, to influence audio, and multiple range cannot be provided, simultaneously because magnetic
Energy is smaller, causes sensitivity low, also further influences its audio；Existing moving-coil horn magnetic circuit structure is single, magnetic circuit coil and
Sound quality homogeneity is serious；And the sound ductility and parsing reduction degree of conventional moving-coil unit are inadequate.
Summary of the invention
To solve the above problems, the utility model, which provides a kind of double magnetic, is total to chamber earphone horn, simple and compact for structure, sound solution
It is higher to analyse reduction degree.
To achieve the above object, the technical solution adopted in the utility model is to provide a kind of double magnetic and is total to chamber earphone horn, wraps
The first washer, the second washer, third washer, the through-hole of protecting cover, rear cover, shell, diaphragm voice coil and setting inside the shell is included to follow closely, is interior
The both ends that magnet ring and outer magnetic ring, the protecting cover and rear cover are fastened on shell respectively constitute cavity, and the diaphragm voice coil is fixed on shield
In lid, first washer, internal magnetic ring, which are successively sleeved and fixed, follows closely surface in through-hole, and the outer magnetic ring is centered around outside internal magnetic ring, institute
It states the second washer, third washer and is bonded two surfaces for being fixed on outer magnetic ring respectively, form magnetic between the outer magnetic ring and internal magnetic ring
Gap, the third washer are equipped with several through-holes, and the through-hole and magnetic gap form circulation canal, and fixation is covered after described and is set
There are pcb board and tuning net, the positive and negative electrode of the diaphragm voice coil is electrically connected with pcb board, and first washer, the second washer are located at
The side of protecting cover, the third washer are located at rear cover side.
Wherein, the rear exterior surface is equipped with fixed step, and the pcb board is sleeved and fixed on step, and the tuning net is solid
It is scheduled on fixed step.
Wherein, the pcb board is equipped with capacitor, tin point, positive solder joint and cathode solder joint, and the anode of the voice coil passes through outer
Wiring is connect with positive solder joint, and the cathode of voice coil is connect by external connection with cathode solder joint.
Wherein, the positive solder joint and cathode solder joint are equipped with protective glue.
The utility model has the beneficial effects that:
Compared to existing earphone horn, the utility model forms electricity by external connection by diaphragm voice coil and pcb board and returns
Road, when electric current passes through diaphragm voice coil, due to the magnetizing direction of outer magnetic ring and internal magnetic ring on the contrary, forming a magnetic loop, diaphragm
Voice coil meeting front and back pushes, and then makes a sound；Since outer magnetic ring and internal magnetic ring are socketed to form magnetic gap, and it is arranged on outer magnetic ring
Third washer be equipped with through-hole, through-hole and magnetic gap form circulation canal, push the air generated that can lead to before and after diaphragm voice coil
It crosses circulation canal to circulate, so that sound is more clear perfection, solves the sound ductility and parsing of conventional moving-coil unit
The inadequate problem of reduction degree, and it is simple and compact for structure.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of the utility model.
Fig. 2 is the structure sectional view of the utility model.
Fig. 3 is the structural schematic diagram of pcb board.
Fig. 4 is the working drawing of the utility model
Drawing reference numeral explanation: 1- protecting cover；2- rear cover；3- shell；4- through-hole nail；5- diaphragm voice coil；The first washer of 6-；7-
Two washers；8- third washer；9- internal magnetic ring；10- outer magnetic ring；11- through-hole；12- circulation canal；13-PCB plate；14- tuning net；
15- fixes step；16- capacitor；17- tin point；18- anode solder joint；19- cathode solder joint；20- protective glue.
Specific embodiment
The utility model is described in detail with Figure of description combined with specific embodiments below.
It please refers to shown in Fig. 1-3, the utility model is total to chamber earphone horn about a kind of double magnetic, including protecting cover 1, rear cover 2, outer
Shell 3, diaphragm diaphragm voice coil 5 and setting are in the first washer 6, the second washer 7, third washer 8, through-hole nail 4, internal magnetic ring 9 and outer magnetic
The both ends that ring 10, the protecting cover 1 and rear cover 2 are fastened on shell 3 respectively constitute cavity, and the diaphragm voice coil 5 is fixed on protecting cover 1
Interior, first washer 6, internal magnetic ring 9, which are successively sleeved and fixed, follows closely 4 surfaces in through-hole, and the outer magnetic ring 10 is centered around internal magnetic ring 9
Outside, second washer 7, third washer 8 are bonded two surfaces for being fixed on outer magnetic ring 10, the outer magnetic ring 10 and internal magnetic ring respectively
Magnetic gap is formed between 9, the third washer 8 is equipped with several through-holes 11, and the through-hole 11 forms circulation canal with magnetic gap
12, pcb board 13 and tuning net 14,13 electricity of positive and negative electrode and pcb board of the diaphragm diaphragm voice coil 5 are fixed on the rear cover 2
Connection, first washer 6, the second washer 7 are located at the side of protecting cover 1, and the third washer 8 is located at 2 side of rear cover.
Compared to existing earphone horn, the utility model forms electricity by external connection by diaphragm voice coil 5 and pcb board 13
Circuit is returned due to the magnetizing direction of outer magnetic ring 10 and internal magnetic ring 9 on the contrary, forming a magnetic when electric current passes through diaphragm voice coil 5
Road, the meeting of diaphragm voice coil 5 front and back pushes, and then makes a sound；Since outer magnetic ring 10 and the socket of internal magnetic ring 9 form magnetic gap, and set
It sets third washer 8 on outer magnetic ring 10 and is equipped with through-hole 11, through-hole 11 and magnetic gap form circulation canal 12, before diaphragm voice coil 5
The raw air of pusher movable property can be circulated by circulation canal 12, so that sound is more clear perfection, be solved conventional dynamic
The inadequate problem of the sound ductility and parsing reduction degree of coil unit, and it is simple and compact for structure.
In the present embodiment, 2 outer surface of rear cover is equipped with fixed step 15, and the pcb board 13 is sleeved and fixed on step 15,
The tuning net 14 is fixed on fixed step 15.
Using the above scheme, fixed step 15 mainly plays fixed tuning net 14 and pcb board 13, and tuning net 14 can allow
Horn vibration effect is more preferable, and pcb board 13 is socketed on fixed step 15, other loudspeaker units can be cooperated to be used together, and loudspeaker
Unit is also independent pronunciation, will not be influenced each other, and improves the pronunciation sound quality of loudspeaker, greatly improves the installation of multiple loudspeaker units
Reasonability.
In the present embodiment, the pcb board 13 is equipped with capacitor 16, tin point 17, positive solder joint 18 and cathode solder joint 19, described
The anode of diaphragm voice coil 5 is connect by external connection with positive solder joint 18, and the cathode of diaphragm voice coil 5 passes through external connection and cathode solder joint
19 connections.
Using the above scheme, diaphragm voice coil 5 is formed into a loop by connecting line and pcb board 13, when electric current passes through diaphragm voice coil 5
When movement can be generated under the action of internal magnetic ring 9, outer magnetic ring 10 are common, to be moved together with dynamic diaphragm voice coil 5, diaphragm voice coil
5 front and backs, which push, to be made a sound；When other loudspeaker units can be used in conjunction with by the access pcb board 13 of tin point 17, and capacitor 16 can
To play the role of frequency dividing.
In the present embodiment, the anode solder joint 18 and cathode solder joint 19 are equipped with protective glue 20.
Using the above scheme, positive solder joint 18, cathode solder joint 19 can be preferably fixed on by pcb board by protective glue 20
On 13, and it can play a certain protective role.
Below by specific embodiment, the utility model is described in further detail.
As shown in fig.4, the process of the utility model: when electric current passes through diaphragm voice coil 5, diaphragm voice coil 5 can be in interior magnetic
Movement is generated under the action of ring 9, outer magnetic ring 10 are common, to be moved together with dynamic diaphragm voice coil 5, and is pushed away before and after diaphragm voice coil 5
The raw air of movable property can be circulated by circulation canal 12, be more clear so that pushing to make a sound before and after diaphragm voice coil 5
It is perfect.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (4)
1. a kind of double magnetic are total to chamber earphone horn, including protecting cover, rear cover, shell, diaphragm voice coil, the protecting cover and rear cover fasten respectively
Cavity is constituted at the both ends of shell, the diaphragm voice coil is fixed in protecting cover, covers after described and be fixed with pcb board, the film
The positive and negative electrode of piece voice coil is electrically connected with pcb board, it is characterised in that: further includes setting the first washer inside the shell, the second China
Department, third washer, through-hole nail, internal magnetic ring and outer magnetic ring, first washer, internal magnetic ring are successively sleeved and fixed in through-hole nail table
Face, the outer magnetic ring are centered around outside internal magnetic ring, and second washer, third washer are bonded two tables for being fixed on outer magnetic ring respectively
Face forms magnetic gap between the outer magnetic ring and internal magnetic ring, the third washer is equipped with several through-holes, between the through-hole and magnetic
Gap forms circulation canal, covers after described and is also fixed with tuning net, first washer, the second washer are located at the one of protecting cover
Side, the third washer are located at rear cover side.
2. a kind of double magnetic according to claim 1 are total to chamber earphone horn, it is characterised in that: exterior surface is equipped with solid after described
Determine step, the pcb board is sleeved and fixed on step, and the tuning net is fixed on fixed step.
3. a kind of double magnetic according to claim 2 are total to chamber earphone horn, it is characterised in that: the pcb board be equipped with capacitor,
The anode of tin point, positive solder joint and cathode solder joint, the voice coil is connect by external connection with positive solder joint, and the cathode of voice coil passes through
External connection is connect with cathode solder joint.
4. a kind of double magnetic according to claim 3 are total to chamber earphone horn, it is characterised in that: the anode solder joint and cathode weldering
Point is equipped with protective glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761945.9U CN208522932U (en) | 2018-05-18 | 2018-05-18 | A kind of double magnetic are total to chamber earphone horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820761945.9U CN208522932U (en) | 2018-05-18 | 2018-05-18 | A kind of double magnetic are total to chamber earphone horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522932U true CN208522932U (en) | 2019-02-19 |
Family
ID=65339455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820761945.9U Active CN208522932U (en) | 2018-05-18 | 2018-05-18 | A kind of double magnetic are total to chamber earphone horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208522932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11425488B2 (en) * | 2020-05-07 | 2022-08-23 | Bujeon Co., Ltd. | Duct structure of earphone speaker unit |
-
2018
- 2018-05-18 CN CN201820761945.9U patent/CN208522932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11425488B2 (en) * | 2020-05-07 | 2022-08-23 | Bujeon Co., Ltd. | Duct structure of earphone speaker unit |
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