CN214125084U - Closed-loop motor with built-in chip gasket - Google Patents
Closed-loop motor with built-in chip gasket Download PDFInfo
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- CN214125084U CN214125084U CN202120218684.8U CN202120218684U CN214125084U CN 214125084 U CN214125084 U CN 214125084U CN 202120218684 U CN202120218684 U CN 202120218684U CN 214125084 U CN214125084 U CN 214125084U
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Abstract
The utility model relates to a gasket embeds chip formula closed loop motor, including shell, carrier, base, gasket, coil, magnet, go up shell fragment, lower shell fragment, its technical essential is: the gasket is equipped with the side retaining wall structure, and the shell corresponds the side retaining wall structure and is equipped with and dodges the mouth, be equipped with position sensing chip, filter capacitor and metal material area group in the side retaining wall, metal material area group including realize position sensing chip, the parallelly connected metal material area I of filter capacitor and metal material area II, be used for position sensing chip and external signal transmission to take III and metal material area IV, be used for the metal material area V and the metal material area VI of hookup location sensing chip and lower shell fragment, the external terminal in each metal material area of metal material area group is drawn forth and is welded PIN foot by the bottom surface of gasket side retaining wall structure respectively. The utility model discloses cancelled current voice coil motor inner circuit board structure, reduction in production cost, the commonality is good, does benefit to the miniaturized design of electronic product.
Description
Technical Field
The utility model relates to a voice coil motor technical field especially relates to a built-in chip formula closed loop motor of gasket, is applicable to the camera lens drive arrangement that the optical axis direction auto focus can be followed to the camera among the mobile terminal equipment.
Background
Because a Voice Coil Motor (VCM) has the advantages of simple structure, small size, low energy consumption, no noise, high acceleration, fast response speed, accurate displacement, low price and the like, the automatic focusing function of the Voice Coil Motor is still the scheme with the highest cost performance for the automatic focusing device of the camera at present. The optical lens is fixed on the carrier of the voice coil motor, the carrier serves as a power unit for lens movement, the carrier of the voice coil motor is connected with the shell through the elastic structure, and after the motor is electrified, the carrier linearly moves along the optical axis direction of the lens, so that the automatic focusing function is realized.
The voice coil motor mainly comprises a shell, a gasket, an upper elastic sheet, a carrier, a coil, a magnet, a lower elastic sheet, a base, a circuit board, a position sensing chip and a Hall magnet, wherein the voice coil motor senses the position of the Hall magnet through the position sensing chip to realize closed-loop control. The position sensing chip and the filter capacitor are arranged on the circuit board, and the circuit is conducted through the circuit board, so that the structural form is easy to realize, but the production cost is high.
Disclosure of Invention
The utility model aims at providing a compact structure, use reliable gasket built-in chip formula closed loop motor, replaced current voice coil motor internal circuit board structure, processing technology is simple, reduction in production cost, the commonality is good, does benefit to electronic product's miniaturized design.
The technical scheme of the utility model is that:
the utility model provides a gasket embeds chip formula closed loop motor, includes shell, carrier, base, locates the gasket of top surface in the shell, locates the coil on the carrier, locate the magnet that corresponds with the coil on the shell, be located last shell fragment between carrier and the gasket, be located the lower shell fragment between carrier and the base, its technical essential is: the gasket is equipped with the side retaining wall structure, the shell corresponds the side retaining wall structure and is equipped with and dodges the mouth, be equipped with position sensing chip, filter capacitor and metal material area group in the side retaining wall, metal material area group is including realizing position sensing chip, parallelly connected metal material area I and metal material area II of filter capacitor, metal material area III and metal material area IV that are used for position sensing chip and external signal transmission, metal material area V and metal material area VI that are used for hookup location sensing chip and lower shell fragment, be equipped with on the shell fragment down with coil wiring position welded connecting portion, the external end in each metal material area of metal material area group is drawn forth and is welded the PIN foot by the bottom surface of gasket side retaining wall structure respectively.
Foretell built-in chip formula closed loop motor of gasket, built-in and the metal material of the base area each metal material of group takes the transitional coupling material area of one-to-one, the PIN foot in each metal material area of metal material area group is rather than the transitional coupling material area welding that corresponds respectively, draws forth the base and welds the PIN foot in Z direction with the other end in the transitional coupling material area that metal material area I, metal material area II, metal material area III and metal material area IV are connected to realize the circuit with outside module and switch on, the other end in the transitional coupling material area of being connected with metal material area V and metal material area VI with shell fragment one-to-one and welding down.
Foretell gasket built-in chip formula closed loop motor, the metal material area I, metal material area II, metal material area III and metal material area IV's PIN foot are for being used for Z to the PIN foot that is connected with outside module directly, be equipped with on the base and correspond Z to the groove of dodging of PIN foot, built-in and metal material area V and the transitional coupling material area of metal material area VI one-to-one in the base, the PIN foot of metal material area V and metal material area VI is rather than the transitional coupling material area welding that corresponds respectively, the other end and the lower shell fragment one-to-one in transitional coupling material area are welded.
In the chip-type closed-loop motor with the built-in gasket, the positions of the side retaining wall structure of the gasket, which correspond to the position sensing chip, the filter capacitor and the metal material band group, are thickened positions, and the outer side surface of the side retaining wall structure of the gasket is flush with the side surface of the shell.
Foretell gasket embeds chip formula closed loop motor, the position that side barricade structure medial surface corresponds position sensing chip is equipped with hollow out construction, be equipped with the hall magnetite that corresponds with position sensing chip on the carrier.
The utility model has the advantages that:
1. the traditional circuit board conduction structure is cancelled, the position sensing chip and the filter capacitor are arranged in the side retaining wall of the gasket in a built-in mode, the position sensing chip and the filter capacitor are connected with the metal material belt arranged in the gasket in an integrated mode, the metal material belt is led out of the side retaining wall and then PIN PINs are welded, and circuit conduction is achieved.
2. And a traditional circuit board conduction structure is cancelled, so that the production cost is reduced.
Drawings
Fig. 1 is an explosion structure diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of the housing, the base and the gasket according to embodiment 1 of the present invention;
fig. 3 is an outline view of a gasket according to embodiment 1 of the present invention;
fig. 4 is a distribution diagram of a gasket built-in structure according to embodiment 1 of the present invention;
fig. 5 is a schematic view of a connection structure of the position sensing chip, the filter capacitor, the metal strip group and each transition connection material strip according to embodiment 1 of the present invention;
fig. 6 is a schematic view of a connection structure of the position sensing chip, the filter capacitor, the metal strip group, each transition connection strip, and the lower elastic sheet according to embodiment 1 of the present invention;
fig. 7 is a schematic view of the connection structure of the lower spring plate and the coil according to the present invention;
fig. 8 is an exploded view of embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a housing, a base and a gasket according to embodiment 2 of the present invention;
fig. 10 is an outline view of a gasket according to embodiment 2 of the present invention;
fig. 11 is a distribution diagram of a gasket built-in structure according to embodiment 2 of the present invention;
fig. 12 is a schematic view of a connection structure of the position sensing chip, the filter capacitor, the metal strip group and each transition connection material strip according to embodiment 2 of the present invention;
fig. 13 is a schematic view of a connection structure of the position sensing chip, the filter capacitor, the metal strip set, each transition connection strip, and the lower elastic sheet according to embodiment 2 of the present invention.
In the figure: 1. the sensor comprises a shell, 2, a gasket, 201, a side retaining wall structure, 3, a metal material belt group, 301, a metal material belt I, 302, a metal material belt II, 303, a metal material belt III, 304, a metal material belt IV, 305, a metal material belt V, 306, a metal material belt VI, 4, a sensing chip, 5, a filter capacitor, 6, an upper elastic sheet, 7, a magnet, 8, a carrier, 9, a Hall magnet, 10, a coil, 11, a lower elastic sheet, 1101, a connecting part, 12, a base, 13, a transition connecting material belt, 1301, a transition connecting material belt I, 1302, a transition connecting material belt II, 1303, a transition connecting material belt III, 1304, a transition connecting material belt IV, 1305, a transition connecting material belt V, 1306, a transition connecting material belt VI.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1-7, the gasket-embedded chip-type closed-loop motor includes a housing 1, a carrier 8, a base 12, a gasket 2 disposed on the inner top surface of the housing 1, a coil 10 disposed on the carrier 8, a magnet 7 disposed on the housing 1 and corresponding to the coil 10, an upper spring 6 disposed between the carrier 8 and the gasket 2, and a lower spring 11 disposed between the carrier 8 and the base 12. Gasket 2 is equipped with side retaining wall structure 201, shell 1 corresponds side retaining wall structure 201 and is equipped with and dodges the mouth, be equipped with position sensing chip 4, filter capacitor 5 and metal material area group 3 in the side retaining wall structure 201. The metal material belt group 3 comprises a metal material belt I301 and a metal material belt II 302 which are used for realizing the parallel connection of the position sensing chip 4 and the filter capacitor 5, a metal material belt III 303 and a metal material belt IV 304 which are used for transmitting the position sensing chip 4 and external signals, a metal material belt V305 and a metal material belt VI 306 which are used for connecting the position sensing chip 4 and the lower elastic sheet 11. The lower spring plate 11 is provided with a connecting part 1101 welded with the wiring position of the coil 10. The external connection end of each metal material belt of the metal material belt group 3 is respectively led out from the bottom surface of the gasket side retaining wall structure 201 and welded with a PIN PIN.
In this embodiment, the base 12 is internally provided with the transitional connection material belts 13 corresponding to the metal material belts of the metal material belt group 3 one to one, PIN feet of each metal material belt of the metal material belt group 3 are respectively welded to the corresponding transitional connection material belts 13, and the other ends of the transitional connection material belt i 1301, the transitional connection material belt ii 1302, the transitional connection material belt iii 1303, and the transitional connection material belt iv 1304, which are connected to the metal material belt i 301, the metal material belt ii 302, the metal material belt iii 303, and the metal material belt iv 304, are led out of the base 12 and welded with PIN feet in the Z direction, so as to achieve circuit conduction with an external module. The other ends of the transitional connection material belt V1305 and the transitional connection material belt VI 1306 which are connected with the metal material belt V305 and the metal material belt VI 306 correspond to the lower elastic sheets 11 one by one and are welded. The positions of the side retaining wall structure 201 of the gasket 2 corresponding to the position sensing chip 4, the filter capacitor 5 and the metal strip group 3 are thickened positions, and the outer side surface of the side retaining wall structure is flush with the side surface of the shell.
The position that the lateral baffle wall structure 201 medial surface corresponds position sensing chip 4 is equipped with hollow out construction, be equipped with the hall magnetite 9 that corresponds with position sensing chip 4 on the carrier 8. By detecting the strength of the magnetic field generated by the hall magnet 9, the position sensing chip 4 generates an electric signal to transmit so as to control the displacement of the carrier according to the current of the coil 10.
Example 2
As shown in fig. 8 to 13, the gasket is internally provided with a chip-type closed-loop motor, PIN legs of the metal material strip i 301, the metal material strip ii 302, the metal material strip iii 303, and the metal material strip iv 304 of the metal material strip group 3 are Z-direction PIN legs for being directly connected with an external module, and the base 12 is provided with an avoidance groove corresponding to the Z-direction PIN legs. The base 12 is internally provided with a transitional connection material belt V1305 and a transitional connection material belt VI 1306 which are in one-to-one correspondence with the metal material belt V305 and the metal material belt VI 306, PIN feet of the metal material belt V305 and the metal material belt VI 306 are respectively welded with the corresponding transitional connection material belt V1305 and the corresponding transitional connection material belt VI 1306, and the other ends of the transitional connection material belt V1305 and the transitional connection material belt VI 1306 are in one-to-one correspondence with the lower elastic pieces 11 and are welded.
The rest is the same as in example 1.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (5)
1. The utility model provides a gasket embeds chip formula closed loop motor, includes shell, carrier, base, locates the gasket of top surface in the shell, locates the coil on the carrier, locate on the shell with the magnet that the coil corresponds, be located last shell fragment between carrier and the gasket, be located the lower shell fragment between carrier and the base, its characterized in that: the gasket is equipped with the side retaining wall structure, the shell corresponds the side retaining wall structure and is equipped with and dodges the mouth, be equipped with position sensing chip, filter capacitor and metal material area group in the side retaining wall, metal material area group is including realizing position sensing chip, parallelly connected metal material area I and metal material area II of filter capacitor, metal material area III and metal material area IV that are used for position sensing chip and external signal transmission, metal material area V and metal material area VI that are used for hookup location sensing chip and lower shell fragment, be equipped with on the shell fragment down with coil wiring position welded connecting portion, the external end in each metal material area of metal material area group is drawn forth and is welded the PIN foot by the bottom surface of gasket side retaining wall structure respectively.
2. The shim built-in chip closed-loop motor according to claim 1, wherein: the built-in transitional coupling material area of each metal material area one-to-one with metal material area group in the base, the PIN foot in each metal material area of metal material area group is rather than the transitional coupling material area welding that corresponds respectively, draws forth the base and welds the PIN foot in Z direction with the other end in the transitional coupling material area that metal material area I, metal material area II, metal material area III and metal material area IV are connected to realize the circuit with outside module and switch on, the other end in the transitional coupling material area of being connected with metal material area V and metal material area VI with shell fragment one-to-one and welding down.
3. The shim built-in chip closed-loop motor according to claim 1, wherein: the utility model discloses a metal material is taken I, metal material area II, metal material area III and metal material area IV's PIN foot is for being used for Z to the PIN foot that is connected with the outside module directly, be equipped with corresponding Z on the base to dodging the groove to the PIN foot, built-in and metal material area V and metal material area VI one-to-one's transitional coupling material area in the base, the metal material area V and metal material area VI's PIN foot respectively rather than the transitional coupling material area welding that corresponds, the other end and the lower shell fragment one-to-one in transitional coupling material area and welding.
4. The shim built-in chip closed-loop motor according to claim 1, wherein: the positions of the side retaining wall structure of the gasket, which correspond to the position sensing chip, the filter capacitor and the metal material strip group, are thickened positions, and the outer side surface of the side retaining wall structure is flush with the side surface of the shell.
5. The shim built-in chip closed-loop motor according to claim 1, wherein: the position that the lateral retaining wall structure medial surface corresponds position sensing chip is equipped with hollow out construction, be equipped with the hall magnetite that corresponds with position sensing chip on the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120218684.8U CN214125084U (en) | 2021-01-27 | 2021-01-27 | Closed-loop motor with built-in chip gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120218684.8U CN214125084U (en) | 2021-01-27 | 2021-01-27 | Closed-loop motor with built-in chip gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214125084U true CN214125084U (en) | 2021-09-03 |
Family
ID=77495957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120218684.8U Active CN214125084U (en) | 2021-01-27 | 2021-01-27 | Closed-loop motor with built-in chip gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214125084U (en) |
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2021
- 2021-01-27 CN CN202120218684.8U patent/CN214125084U/en active Active
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| GR01 | Patent grant | ||
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Denomination of utility model: A gasket built-in chip closed loop motor Effective date of registration: 20220929 Granted publication date: 20210903 Pledgee: China Construction Bank Corporation Panjin branch Pledgor: Liaoning Zhonglan Photoelectric Technology Co.,Ltd. Registration number: Y2022210000157 |