CN212115123U - Magnetic suspension voice coil motor structure - Google Patents
Magnetic suspension voice coil motor structure Download PDFInfo
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- CN212115123U CN212115123U CN202020787049.7U CN202020787049U CN212115123U CN 212115123 U CN212115123 U CN 212115123U CN 202020787049 U CN202020787049 U CN 202020787049U CN 212115123 U CN212115123 U CN 212115123U
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- circuit board
- paster
- base
- carrier
- shell
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Abstract
The utility model discloses a magnetic suspension voice coil motor structure, which comprises a base, a carrier and a shell, wherein the shell is sleeved outside the base and is clamped and connected with the base; the outer side surface of the base is provided with an embedding groove and is embedded in the circuit board through the embedding groove, an avoiding through hole corresponding to the magnet is arranged in the embedding groove, one side of the circuit board close to the avoiding through hole is provided with an electrified coil corresponding to the avoiding through hole, the circuit board is electrically connected with the electrified coil, a sensor is arranged in the electrified coil, and the sensor is electrically connected with the circuit board; the shell cup joints in the circuit board outside, and the shell side is provided with the paster recess, and one side that the circuit board is close to the shell is provided with the paster and the paster is located the paster recess.
Description
Technical Field
The utility model relates to a voice coil motor field especially relates to a magnetic suspension voice coil motor structure.
Background
With the continuous development and progress of the technology level, the requirement of consumers on the imaging quality of portable digital products (such as smart phones and tablet computers) is higher and higher. At present, a driving motor is usually used on a digital product to realize the front and back telescopic movement of a lens, the lens is fixed on a carrier in the driving motor when the digital product is used, the distance adjustment of the lens is realized by adjusting the movement of the carrier, the operation is simple and fast, and convenience is brought to the focal length adjustment of a camera.
The existing closed-loop voice coil motor is mainly divided into a ball type closed-loop voice coil motor and a spring piece type closed-loop voice coil motor. Because the camera structure of the mobile phone is precise and tiny, the closed-loop motor with the ball structure is difficult to assemble, and because the contact area of the ball is small, after the mobile phone runs for a long time, the part which is in physical contact with the ball can generate deformation through long-term friction, and the function of the closed-loop voice coil motor can be seriously influenced, even the function of the closed-loop voice coil motor can be caused to be invalid; the structure of the presently published spring piece type closed loop voice coil motor is complex in structure and high in production cost, and is not beneficial to automatic production. Therefore, it is a technical problem to be solved urgently in the industry to provide a closed loop voice coil motor with a simple structure and a long service life.
Disclosure of Invention
The utility model aims at the above-mentioned problem, provide a simple structure, convenient to use's magnetic suspension voice coil motor structure.
In order to realize the purpose, the technical scheme of the utility model is that:
a magnetic suspension voice coil motor structure comprises a base, a carrier and a shell, wherein the shell is sleeved outside the base and is clamped and connected with the base, the carrier is sleeved in the base and can move longitudinally relative to the base, a magnet slot is formed in the side surface of the carrier, and a magnet is arranged in the magnet slot; the outer side surface of the base is provided with an embedding groove and is embedded in the circuit board through the embedding groove, an avoiding through hole corresponding to the magnet is arranged in the embedding groove, one side of the circuit board close to the avoiding through hole is provided with an electrified coil corresponding to the avoiding through hole, the circuit board is electrically connected with the electrified coil, a sensor is arranged in the electrified coil, and the sensor is electrically connected with the circuit board; the shell cup joints in the circuit board outside, and the shell side is provided with the paster recess, and one side that the circuit board is close to the shell is provided with the paster and the paster is located the paster recess.
Further, the base upper end is provided with mounting groove and the periphery looks adaptation of carrier.
Furthermore, the front side surface, the rear side surface and the right side surface of the carrier are provided with magnet slots, and magnets are arranged in the magnet slots; the front side, the back side and the right side of the base are provided with avoidance through holes, and the positions of the avoidance through holes correspond to the positions of the magnets.
Furthermore, the circuit board is in a U-shaped shape with an opening facing left, and an electrified coil corresponding to the avoiding through hole is arranged on the inner side surface of the circuit board.
Further, the paster is a metal paster, the paster is pasted on the outer side face of the right side of the circuit board, and the paster corresponds to the paster groove formed in the side face of the shell.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model adopts the design that the magnet slots are arranged outside the carrier and correspond to the coils arranged on the circuit board, so that when the carrier needs to be moved, the electrification of the electrified coil is controlled only by the circuit board, a magnetic field can be generated after the electrified coil is electrified, and the magnets can move upwards or downwards under the action force of electromagnetic induction, thereby driving the carrier to realize translation; in the use process, the carrier and the coil do not generate any friction, the deformation of the carrier caused by long-term friction is avoided, the service life of the voice coil motor is effectively prolonged, and the height position of the carrier can be monitored through the sensor by connecting the sensor on the circuit board, so that the control precision of the carrier in the voice coil motor is improved; on the other hand, the utility model discloses a three group's magnetites, the design that three group's electrical coil combined together, three group's drive assembly have been possessed in other words, make it further to strengthen the driving force to the carrier, thereby make closed loop motor's operation effect can further improve, and through the design that sets up the metal paster in the circuit board outside, make when the carrier playback and when not driving, the carrier can be through the magnetic force of the inter attraction that the metal paster in the magnetite and circuit board outside produced, thereby the auxiliary carrier carries out accurate playback, the playback precision of carrier has effectively been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is an assembly structure view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of a base;
fig. 5 is a schematic structural diagram of the circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1 to 5, the magnetic suspension voice coil motor structure in this embodiment includes a base 6, a carrier 2, and a casing 1, where the casing 1 is sleeved outside the base 6 and is connected with the base 6 in a clamping manner, an installation groove 603 is provided at the upper end of the base 6, the installation groove 603 is adapted to the periphery of the carrier 2, and the carrier 2 is embedded in the installation groove 603 and can slide longitudinally relative to the installation groove 603;
the front side, the back side and the right side of the carrier 2 are all provided with magnet slots 201, and magnets 3 are arranged in the magnet slots 201; the outer side surface of the base 6 is provided with an embedding groove 601 and is embedded with the circuit board 5 through the embedding groove 601, the embedding groove 601 is internally provided with three avoiding through holes 602 corresponding to the magnets 3, the three avoiding through holes 602 are respectively arranged on the front side surface, the rear side surface and the right side surface of the base 6, and the positions of the avoiding through holes 602 correspond to the positions of the magnets 3; dodge the design of through-hole and can make electrical coil and magnetite set up relatively, avoided the circuit board scarf joint to lead to the base lateral wall to cause the hindrance to the effort between electrical coil, the magnetite in the base outside, improved the utility model discloses an excellent in use effect.
The circuit board 5 is in a U shape with an opening facing left, three electrified coils 501 are arranged on one side, close to the avoidance through hole 602, of the circuit board 5, the three electrified coils 501 correspond to the three avoidance through holes 602 respectively, the circuit board 5 is electrically connected with the electrified coils 501, a sensor 502 is arranged in each electrified coil 501, and the sensor 502 is electrically connected with the circuit board 5; casing 1 cup joints in the circuit board 5 outside, and 1 side of casing is provided with paster recess 101, and one side that circuit board 5 is close to casing 1 is pasted and is had metal paster 4 and metal paster 4 is located paster recess 101.
The utility model adopts the design that the magnet slots are arranged outside the carrier and correspond to the coils arranged on the circuit board, so that when the carrier needs to be moved, the electrification of the electrified coil is controlled only by the circuit board, a magnetic field can be generated after the electrified coil is electrified, and the magnets can move upwards or downwards under the action force of electromagnetic induction, thereby driving the carrier to realize translation; in the use process, the carrier and the coil do not generate any friction, the deformation of the carrier caused by long-term friction is avoided, the service life of the voice coil motor is effectively prolonged, and the height position of the carrier can be monitored through the sensor by connecting the sensor on the circuit board, so that the control precision of the carrier in the voice coil motor is improved;
on the other hand, the utility model discloses a three group's magnetites, the design that three group's electrical coil combined together, three group's drive assembly have been possessed in other words, make it further to strengthen the driving force to the carrier, thereby make closed loop motor's operation effect can further improve, and through the design that sets up the metal paster in the circuit board outside, make when the carrier playback and when not driving, the carrier can be through the magnetic force of the inter attraction that the metal paster in the magnetite and circuit board outside produced, thereby the auxiliary carrier carries out accurate playback, the playback precision of carrier has effectively been improved.
Claims (5)
1. The utility model provides a magnetic suspension voice coil motor structure, includes base, carrier, shell, and the shell cup joints in the base outside and is connected with the base block, and the carrier cup joints in the base and can be for base longitudinal movement, its characterized in that: a magnet slot is formed in the side surface of the carrier, and a magnet is arranged in the magnet slot; the outer side surface of the base is provided with an embedding groove and is embedded in the circuit board through the embedding groove, an avoiding through hole corresponding to the magnet is arranged in the embedding groove, one side of the circuit board close to the avoiding through hole is provided with an electrified coil corresponding to the avoiding through hole, the circuit board is electrically connected with the electrified coil, a sensor is arranged in the electrified coil, and the sensor is electrically connected with the circuit board; the shell cup joints in the circuit board outside, and the shell side is provided with the paster recess, and one side that the circuit board is close to the shell is provided with the paster and the paster is located the paster recess.
2. The magnetic suspension voice coil motor structure of claim 1, characterized in that: the base upper end is provided with mounting groove and the periphery looks adaptation of carrier.
3. The magnetic suspension voice coil motor structure of claim 2, characterized in that: the front side, the back side and the right side of the carrier are all provided with magnet slots, and magnets are arranged in the magnet slots; the front side, the back side and the right side of the base are provided with avoidance through holes, and the positions of the avoidance through holes correspond to the positions of the magnets.
4. The magnetic suspension voice coil motor structure of claim 3, characterized in that: the circuit board is in a U-shaped shape with an opening facing left, and an electrified coil corresponding to the avoiding through hole is arranged on the inner side face of the circuit board.
5. The magnetic suspension voice coil motor structure of claim 4, wherein: the paster is the metal paster, and the paster is pasted in circuit board right side lateral surface and the paster corresponds with the paster recess that sets up in the shell side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787049.7U CN212115123U (en) | 2020-05-13 | 2020-05-13 | Magnetic suspension voice coil motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020787049.7U CN212115123U (en) | 2020-05-13 | 2020-05-13 | Magnetic suspension voice coil motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212115123U true CN212115123U (en) | 2020-12-08 |
Family
ID=73617217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020787049.7U Active CN212115123U (en) | 2020-05-13 | 2020-05-13 | Magnetic suspension voice coil motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212115123U (en) |
-
2020
- 2020-05-13 CN CN202020787049.7U patent/CN212115123U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Bao Heping Inventor after: Lin Cong Inventor after: Peng Kun Inventor after: Liu Fuquan Inventor after: Lv Xinke Inventor before: Bao Heping Inventor before: Lin Cong Inventor before: Peng Kun Inventor before: Liu Fuquan Inventor before: Lv Xinke |
|
| CB03 | Change of inventor or designer information |