CN205491093U - Magnetic circuit and applied this magnetic circuit's speaker - Google Patents
Magnetic circuit and applied this magnetic circuit's speaker Download PDFInfo
- Publication number
- CN205491093U CN205491093U CN201620034751.XU CN201620034751U CN205491093U CN 205491093 U CN205491093 U CN 205491093U CN 201620034751 U CN201620034751 U CN 201620034751U CN 205491093 U CN205491093 U CN 205491093U
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- Prior art keywords
- magnet steel
- main magnet
- magnetic
- main
- group
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a magnetic circuit. Magnetic circuit is including utensil accommodating space's magnetic conduction board and magnet steel components, magnet steel components accept in the magnetic conduction board, magnet steel components includes relative magnet steel group in parallel interval and the 2nd magnet steel group, a magnet steel group is including the main magnet steel in the first left side of parallel spaced in proper order, main magnet steel, first youzhu magnet steel and pressing from both sides is located in first the main magnet steel in a first left side with the vice magnet steel in a first left side in first between the main magnet steel is located with pressing from both sides first youzhu magnet steel with the vice magnet steel in the first right side in first between the main magnet steel, the utility model discloses magnetic circuit and applied this magnetic circuit's speaker is still provided. The utility model discloses a magnetic circuit can be under the same magnet steel volume and under the coil size, forms the closed loop in a plurality of magnetic fields, in the time of the high -usage of magnetic field, obtains bigger power transfer coefficient.
Description
[technical field]
This utility model relates to stereo set field, is specifically related to a kind of magnetic circuit system and applies this magnetic circuit system
The speaker of system.
[background technology]
In recent years, along with the progress at full speed of the development of science and technology, especially mobile communication technology, increasingly
Many mobile electronic devices occur in daily life, such as smart mobile phone, panel computer, pen
Remembering this computer and Rich media player etc., it is indispensable that these mobile electronic devices have become people
The articles for daily use.And in these mobile electronic devices, voice playing device is that it is internal essential
Parts, the height of voice quality directly affects user's body when user uses these mobile electronic devices
Test.
The magnetic steel component of the magnetic circuit system of prior art speaker is the most each three pieces of magnet steel, coil sandwiched
In wherein, the magnetic field utilization rate of this structure is on the low side, and electric power conversion coefficient is little.
Therefore, it is necessary to provide the magnetic circuit system that a kind of magnetic field utilization rate is higher, electric power conversion coefficient is big.
[utility model content]
The purpose of this utility model is to provide the magnetic that a kind of magnetic field utilization rate is high, electric power conversion coefficient is big
Road system and apply the speaker of this magnetic circuit system.
The technical solution of the utility model is as follows: described magnetic circuit system includes the magnetic conductive board having receiving space
And magnetic steel component, described magnetic steel component is contained in described magnetic conductive board, and described magnetic steel component includes parallel
Every the first relative magnet steel group and the second magnet steel group, described first magnet steel group includes parallel interval successively
First left main magnet steel, main magnet steel, the first right main magnet steel and be located in described first left main magnet steel in first
And the first left secondary magnet steel between main magnet steel and be located in described first right main magnet steel and institute in described first
State the first right secondary magnet steel between main magnet steel in first；Described second magnet steel group includes parallel interval successively
The second left main magnet steel, main magnet steel, the second right main magnet steel and be located in described second left main magnetic in second
In steel and described second the second left secondary magnet steel between main magnet steel and be located in described second right main magnet steel and
The second right secondary magnet steel between main magnet steel in described second；
Described first left main magnet steel, the first left secondary magnet steel, the second left secondary magnet steel and the second left main magnet steel are formed
First magnet loop of Guan Bi；
Described first left secondary magnet steel, main magnet steel in first, the first right secondary magnet steel, the second right secondary magnet steel,
In second, main magnet steel and the second left secondary magnet steel form the second magnet loop of Guan Bi；
Described first right secondary magnet steel, the first right main magnet steel, the second right main magnet steel and the second right secondary magnet steel shape
Become the 3rd magnet loop of Guan Bi.
Preferably, described magnetic conductive board includes the first magnetic conductive board and the second magnetic conductive board being oppositely arranged, described
One magnet steel group and the second magnet steel group are respectively contained on the first magnetic conductive board and the second magnetic conductive board.
Preferably, described first magnetic conductive board includes the first noumenon and from described the first noumenon two opposed end
Bending extends the first left extension and the first right extension formed；Described first left extension and described
First right extension clamps described first left main magnet steel and described first right main magnet steel respectively, makes described
One magnet steel group is connected to described the first noumenon；Described second magnetic conductive board includes the second body and from described
Two body two opposed end bendings extend the second left extension and the second right extension formed；Described
Two left extensions and described second right extension clamp described second left main magnet steel and described second right side respectively
Main magnet steel, makes described second magnet steel group be connected to described second body.
Described speaker includes that magnetic circuit system and vibrational system, described magnetic circuit system include parallel
Every the first relative magnet steel group and the second magnet steel group, described vibrational system includes that a coil is suspended above
Between one magnet steel group and the second magnet steel group, described magnetic circuit system is as described in any one in above-described embodiment
Magnetic circuit system.
Preferably, described coil includes two long sides and connects the arc-shaped side edges of long side, described two
Bar long side is suspended above the first left secondary magnet steel and the second left secondary magnet steel and the first right secondary magnet steel respectively
With second between right secondary magnet steel.
Preferably, the pole orientation of described first left secondary magnet steel and the second left secondary magnet steel secondary magnetic right with first
The pole orientation of steel and the second right secondary magnet steel is contrary and the magnetic line of force is perpendicular to coil.
Preferably, described first left main magnet steel, main magnet steel in first, the first right main magnet steel, second left
Main magnet steel, main magnet steel in second, the second right main magnet steel magnetic line of force direction parallel with coil.This practicality
Novel has the beneficial effects that: use the combination of each five blocks of magnet steel in two-layer, at identical magnet steel volume
Descend and under coil dimension, form the closed circuit in multiple magnetic field, not only while magnetic field utilization rate height,
And bigger electric power conversion coefficient can be obtained.
[accompanying drawing explanation]
Fig. 1 is the axonometric chart of a kind of embodiment of this utility model speaker；
Fig. 2 is the profile along speaker line A-A shown in Fig. 1；
Fig. 3 is the three-dimensional exploded view of speaker shown in Fig. 1；
Fig. 4, for the magnetic line of force directional diagram of the magnetic circuit of loudspeaker shown in Fig. 1.
[detailed description of the invention]
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Please refer to Fig. 1 to Fig. 3, wherein, Fig. 1 is a kind of enforcement of this utility model speaker
The axonometric chart of example；Fig. 2 is the profile along speaker line A-A shown in Fig. 1, and Fig. 3 is shown in Fig. 1
The three-dimensional exploded view of speaker；
.Described speaker 1 includes that magnetic circuit system 11 and vibrational system 13, described magnetic circuit system 11 are driven
Dynamic described vibrational system 13 vibration sounding.
Described magnetic circuit system 11 includes magnetic conductive board 111 and magnetic steel component 113, described magnetic steel component 113
Being contained in described magnetic conductive board 111, described magnetic steel component 113 includes the first magnet steel that parallel interval is relative
Group 1131 and the second magnet steel group 1133.
Described vibrational system 13 includes that coil 131, described coil 131 are suspended in described first magnet steel group
Between 1131 and described second magnet steel group 1133.
Described first magnet steel group 1131 includes the first left main magnet steel 11311, first of parallel interval successively
The right main magnet steel 11315 of middle main magnet steel 11313, first and be located in described first left main magnet steel 11311
And the first left secondary magnet steel 11312 between main magnet steel 11313 and be located in described first in described first
The first right secondary magnet steel 11314 between main magnet steel 11313 in right main magnet steel 11315 and described first.
Described second magnet steel group 1133 includes the second left main magnet steel 11331, second of parallel interval successively
The right main magnet steel 11335 of middle main magnet steel 11333, second and be located in described second left main magnet steel 11331
And the second left secondary magnet steel 11332 between main magnet steel 11333 and be located in described second in described second
The second right secondary magnet steel 11334 between main magnet steel 11333 in right main magnet steel 11335 and described second.
Described coil 131 includes two long sides 1311 and connects the arc-shaped side edges 1313 of long side,
Described two long sides 1311 are suspended above the first left secondary magnet steel 11312 and the second left secondary magnet steel respectively
11332 and first between right secondary magnet steel 11314 and the second right secondary magnet steel 11334.
Described magnetic conductive board 111 includes the first magnetic conductive board 1111 and the second magnetic conductive board 1113 being oppositely arranged,
Described first magnetic conductive board 1111 and described second magnetic conductive board 1113 enclose formation receiving space 1115, institute
State magnetic steel component 113 and be contained in described receiving space 1115.
Described first magnetic conductive board 1111 includes the first noumenon 11111 and from described the first noumenon 11111
Two opposed end bendings extend the first left extension 11113 and the first right extension 11115 formed；
It is left that described first left extension 11113 and described first right extension 11115 clamp described first respectively
Main magnet steel 11311 and described first right main magnet steel 11315, make described first magnet steel group 1131 be connected to
Described the first noumenon 11111.
Described second magnetic conductive board 1113 includes the second body 11131 and from described second body 11131
Two opposed end bendings extend the second left extension 11133 and the second right extension 11135 formed；
It is left that described second left extension 11133 and described second right extension 11135 clamp described second respectively
Main magnet steel 11331 and described second right main magnet steel 11335, make 1133 groups of abuttings of described second magnet steel group
In described second body 11131.
Concrete, described first magnet steel group 1131 and the second magnet steel group 1133 are respectively contained in first and lead
On magnetic sheet 1111 and the second magnetic conductive board 1113
Described first left extension 11113 and described second left extension 11133 connect, and described first
Right extension 11115 and described second right extension 11135 connect, and are formed some in its junction
Go out acoustic aperture 100, described in go out acoustic aperture 100 for transmitting vibration sounding.
Referring again to Fig. 4, for the magnetic line of force directional diagram of the magnetic circuit of loudspeaker shown in Fig. 1.Described
One magnet steel group 1131 and described second magnet steel group 1133 are three blocks of main magnet steel and the group of two blocks of secondary magnet steel
Close, under identical magnet steel volume and under coil dimension, form the closed circuit in multiple magnetic field, its
In:
Described first left main magnet steel the 11311, first left secondary magnet steel the 11312, second left secondary magnet steel 11332
Main magnet steel 11331 left with second forms the first magnet loop 10 of Guan Bi；
The right secondary magnet steel 11314 of main magnet steel 11313, first in described first left secondary magnet steel 11312, first,
Second right secondary magnet steel, main magnet steel and the second left secondary magnet steel form the second magnet loop 20 of Guan Bi in second；
Described first right secondary magnet steel 11334, the first right main magnet steel 11335 of right main magnet steel 11315, second
Secondary magnet steel 11334 right with second forms the 3rd magnet loop 30 of Guan Bi.
The polar orientation of the field pole of each closed circuit is N best S pole, makes magnetic field form Guan Bi
Loop.
Concrete, described first left secondary magnet steel 11312 and the pole orientation of the second left secondary magnet steel 11332
The pole orientation of secondary magnet steel 11314 right with first and the second right secondary magnet steel 11334 is contrary and the magnetic line of force hangs down
Straight in coil.
The right main magnet steel 11315 of main magnet steel 11313, first in described first left main magnet steel 11311, first,
The magnetic line of force of the right main magnet steel 11335 of main magnet steel 11333, second in second left main magnet steel 11331, second
Direction is parallel with coil.
In the present embodiment, described first magnet steel group 1131 and described second magnet steel group 1133 are three
The combination of the main magnet steel of block and two blocks of secondary magnet steel it can be understood as, described magnetic steel component is not limited to this reality
Executing the structure in example to arrange, the quantity of magnet steel can be some pieces, to form some closed-loop paths.
The closed circuit in multiple magnetic fields that the magnetic steel component of the speaker that this utility model provides is formed, magnetic
While the utilization rate height of field, it is possible to obtain bigger electric power conversion coefficient.
Above-described is only embodiment of the present utility model, it should be noted here that for this area
Those of ordinary skill for, without departing from this utility model create design on the premise of, it is also possible to do
Go out to improve, but these belong to protection domain of the present utility model.
Claims (7)
1. a magnetic circuit system, including magnetic conductive board and magnetic steel component, the described magnet steel group of tool receiving space
Part is contained in described magnetic conductive board, it is characterised in that described magnetic steel component includes that parallel interval is relative
One magnet steel group and the second magnet steel group, described first magnet steel group includes the first left main magnetic of parallel interval successively
Steel, main magnet steel, the first right main magnet steel and be located in described first left main magnet steel and described first in first
The first left secondary magnet steel between middle main magnet steel is led with being located in described first right main magnet steel and described first
The first right secondary magnet steel between magnet steel；
Described second magnet steel group include the second left main magnet steel of parallel interval successively, main magnet steel in second,
Second right main magnet steel and be located in described second left main magnet steel and described second between main magnet steel second
Left secondary magnet steel and the second right pair being located in described second right main magnet steel and described second between main magnet steel
Magnet steel；
Described first left main magnet steel, the first left secondary magnet steel, the second left secondary magnet steel and the second left main magnet steel are formed
First magnet loop of Guan Bi；
Described first left secondary magnet steel, main magnet steel in first, the first right secondary magnet steel, the second right secondary magnet steel,
In second, main magnet steel and the second left secondary magnet steel form the second magnet loop of Guan Bi；
Described first right secondary magnet steel, the first right main magnet steel, the second right main magnet steel and the second right secondary magnet steel shape
Become the 3rd magnet loop of Guan Bi.
Magnetic circuit system the most according to claim 1, it is characterised in that: described magnetic conductive board includes phase
To the first magnetic conductive board arranged and the second magnetic conductive board, described first magnet steel group and the second magnet steel group are held respectively
Put on the first magnetic conductive board and the second magnetic conductive board.
Magnetic circuit system the most according to claim 2, it is characterised in that: described first magnetic conductive board bag
Include the first noumenon and from described the first noumenon two opposed end bending extend formed the first left extension and
First right extension；Described first left extension and described first right extension clamp described first respectively
Left main magnet steel and described first right main magnet steel, make described first magnet steel group be connected to described the first noumenon；
Described second magnetic conductive board includes the second body and extends formation from described second body two opposed end bending
The second left extension and the second right extension；Described second left extension and described second right extension
Clamp described second left main magnet steel and described second right main magnet steel respectively, make described second magnet steel group abut
In described second body.
4. a speaker, including magnetic circuit system and vibrational system, described magnetic circuit system includes parallel
Every the first relative magnet steel group and the second magnet steel group, described vibrational system includes that a coil is suspended above
Between one magnet steel group and the second magnet steel group, it is characterised in that: described magnetic circuit system such as claim 1 to
Magnetic circuit system described in any one in claim 3.
Speaker the most according to claim 4, it is characterised in that: described coil include two long
Side and the arc-shaped side edges of connection long side, described two long sides are suspended above the first left secondary magnetic respectively
Between steel and the second left secondary magnet steel and the first right secondary magnet steel and the second right secondary magnet steel.
Speaker the most according to claim 4, it is characterised in that: described first left secondary magnet steel and
The pole orientation secondary magnet steel right with first of the second left secondary magnet steel and the pole orientation of the second right secondary magnet steel are contrary
And the magnetic line of force is perpendicular to coil.
Speaker the most according to claim 5, it is characterised in that: described first left main magnet steel,
Main magnet steel in first, the first right main magnet steel, the second left main magnet steel, main magnet steel, the second right master in second
The magnetic line of force direction of magnet steel is parallel with coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034751.XU CN205491093U (en) | 2016-01-14 | 2016-01-14 | Magnetic circuit and applied this magnetic circuit's speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620034751.XU CN205491093U (en) | 2016-01-14 | 2016-01-14 | Magnetic circuit and applied this magnetic circuit's speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205491093U true CN205491093U (en) | 2016-08-17 |
Family
ID=56667835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620034751.XU Expired - Fee Related CN205491093U (en) | 2016-01-14 | 2016-01-14 | Magnetic circuit and applied this magnetic circuit's speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205491093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973256A (en) * | 2018-01-08 | 2022-01-25 | 深圳市韶音科技有限公司 | Bone conduction speaker and magnetic circuit assembly thereof |
-
2016
- 2016-01-14 CN CN201620034751.XU patent/CN205491093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973256A (en) * | 2018-01-08 | 2022-01-25 | 深圳市韶音科技有限公司 | Bone conduction speaker and magnetic circuit assembly thereof |
| CN113973256B (en) * | 2018-01-08 | 2024-03-22 | 深圳市韶音科技有限公司 | Bone conduction loudspeaker and magnetic circuit assembly thereof |
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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: 20160817 Termination date: 20220114 |