CN2444370Y - Voice coil exciter - Google Patents
Voice coil exciter Download PDFInfo
- Publication number
- CN2444370Y CN2444370Y CN 00239632 CN00239632U CN2444370Y CN 2444370 Y CN2444370 Y CN 2444370Y CN 00239632 CN00239632 CN 00239632 CN 00239632 U CN00239632 U CN 00239632U CN 2444370 Y CN2444370 Y CN 2444370Y
- Authority
- CN
- China
- Prior art keywords
- voice coil
- magnetic
- pole shoe
- utility
- model
- 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
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model relates to a novel voice coil exciter, which is composed of a casing, a pole shoe which is sheathed with the casing, a coil curl which is suspended between a top plate and the pole shoe, and a magnetic body which is arranged in a magnetic passage between a bottom plate and the casing and is composed of cuboid magnetic blocks. The utility model can uniformly generate the maximum strength of magnetic current along the height of a gap of the magnetic passage. A magnetic structure is composed of a plurality of cuboid magnetic blocks. The voice coil exciters with different specifications can use a magnet element with the same standard. The utility model has the advantages of low manufacturing cost, and normalization and standardization of the production.
Description
The utility model relates to a kind of exciter of electromagnetism voice coil.
At present, employed voice coil exciter, some adopts tubular radial polarised annular magnet, and annular magnet is placed in the slit between housing urceolus and the pole shoe.Some then is placed in tubular magnet housing urceolus part, or a magnetic patch is placed in the pole shoe.Because tubular magnet is a solid annular magnet, and the voice coil actuator of different size just requires the tubular magnet of different size, the production cost height, and produce and be difficult to standardization.
The purpose of this utility model is to avoid above-mentioned weak point among the background technology, and provide a kind of maximum magnetic flux intensity of flow that can produce equably along the height in slit, the voice coil actuator of different size, can use the magnet device of identical standard, production cost is low, and producing can normalized voice coil actuator.
The purpose of this utility model realizes by following approach: suit pole shoe in housing, the coil that suspends in the crack between the top board that fuses at pole shoe and with housing, and the base plate that fuses of pole shoe and the magnetic channel between the housing in dispose magnet.Between top board and base plate, annular compartment is arranged.
Novel voice coil actuator of the present utility model, the magnetic channel between base plate and housing are regular polygon.The magnet that is configured in the magnetic channel is made up of the cuboid magnetic patch.Pole shoe is the ring-type ducted body.
The utility model is compared background technology following advantage: can produce the maximum magnetic flux intensity of flow equably along the height in magnetic channel slit, magnet adopts polylith cuboid magnetic patch to form, the voice coil actuator of different size can use the magnet device of identical standard, determine what of magnetic patch according to the size of voice coil actuator, production cost is low, also is convenient to the standardization and the standardization of producing.
The embodiment of the utility model in conjunction with the accompanying drawings is described in further detail:
Fig. 1 the utility model voice coil actuator cutaway view;
Fig. 2 the utility model exciter upward view.
As shown in Figure 1 and Figure 2, novel exciter of the present utility model, suit pole shoe 6 in the housing 1.And the base plate 2 that fuses of pole shoe 6 and the magnetic channel 8 between the housing 1 in the magnet 3 formed by the cuboid magnetic patch of configuration.And the top board 7 that fuses of housing 1 coil 4 that suspends in the crack between the pole shoe 69.Between base plate 2 and top board 7, annular compartment 5 is arranged.
Novel voice coil actuator of the present utility model, magnetic channel 8 is a regular polygon, pole shoe 6 is the ring-type ducted body.
Claims (4)
1, a kind of novel voice coil actuator, it comprises housing (1), the top board (7) that fuses with housing (1), be sleeved on the pole shoe (6) in the housing (1), the base plate (2) that fuses with pole shoe (6), it is characterized in that: the coil (4) that suspends in the crack (9) between top board (7) and pole shoe (6), configuration magnet (3) has annular compartment (5) in the magnetic channel (8) between base plate (2) and housing (1) between top board (7) and base plate (2).
2, novel voice coil actuator according to claim 1 is characterized in that: between base plate (2) and housing (2) magnetic channel (8) be regular polygon.
3, novel voice coil actuator according to claim 1 is characterized in that: the magnet (3) that is configured in the magnetic channel (8) is made up of the cuboid magnetic patch.
4, novel voice coil actuator according to claim 1 is characterized in that: pole shoe (6) is the annular hollow body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00239632 CN2444370Y (en) | 2000-09-29 | 2000-09-29 | Voice coil exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00239632 CN2444370Y (en) | 2000-09-29 | 2000-09-29 | Voice coil exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2444370Y true CN2444370Y (en) | 2001-08-22 |
Family
ID=33600446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00239632 Expired - Fee Related CN2444370Y (en) | 2000-09-29 | 2000-09-29 | Voice coil exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2444370Y (en) |
-
2000
- 2000-09-29 CN CN 00239632 patent/CN2444370Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20050429 Pledge (preservation): Preservation |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20051111 Pledge (preservation): Preservation |
|
| PD01 | Discharge of preservation of patent |
Date of registration: 20061025 Pledge (preservation): Preservation |
|
| PP01 | Preservation of patent right |
Effective date of registration: 20061222 Pledge (preservation): Preservation |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20071126 Pledge (preservation): Preservation registration |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |