CN210958066U - Low optical axis compensation structure and motor - Google Patents
Low optical axis compensation structure and motor Download PDFInfo
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- CN210958066U CN210958066U CN201922348302.9U CN201922348302U CN210958066U CN 210958066 U CN210958066 U CN 210958066U CN 201922348302 U CN201922348302 U CN 201922348302U CN 210958066 U CN210958066 U CN 210958066U
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Abstract
The utility model discloses a low optical axis compensation structure and motor, this low optical axis compensation structure includes: a chip; the left side and the right side of the carrier are respectively provided with a left side winding coil and a right side winding coil which are respectively and independently connected with the chip; the Hall magnet is arranged between the left winding coil and the right winding coil and is positioned at the upper part of the carrier; and the angle magnetic field change detection unit is arranged below the Hall magnet and is used for detecting the change of the angle magnetic field of the carrier. The utility model discloses in, when the change of angle magnetic field change detecting element sensing carrier angular position of hall magnet below, angle magnetic field change detecting element gives the chip with the signal transmission of angle position change, and the chip changes through control left side coil winding or right side coil winding electric current size, comes the change of angle of balance, reaches the optimum optical axis then, the utility model discloses still have advantages such as the detection precision is high, adjust simple and conveniently.
Description
Technical Field
The utility model relates to a low optical axis compensation structure and motor technical field.
Background
In the prior art, after the carrier angle of a general motor is changed, the specific angle position change cannot be sensed, and the angle change of the carrier cannot be balanced, so that the optimal optical axis cannot be reached.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem who exists among the prior art to a low optical axis compensation structure and motor that can the angle change of sensing carrier and can balance the angle change are provided.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a low optical axis compensation structure, it includes:
a chip;
the left side and the right side of the carrier are respectively provided with a left side winding coil and a right side winding coil, and the left side winding coil and the right side winding coil are respectively and independently connected with the chip;
the Hall magnet is arranged between the left winding coil and the right winding coil and is positioned at the upper part of the carrier;
the angle magnetic field change detection unit is arranged below the Hall magnet and is used for detecting the change of the angle magnetic field of the carrier;
when the angle magnetic field change detection unit detects that the angle of the carrier exceeds a set range, the angle magnetic field change detection unit sends a signal to the chip, and the chip balances the angle of the carrier by controlling the current of the left side winding coil or the right side winding coil.
Furthermore, AF magnets are arranged on the left side and the right side of the carrier respectively, and the left side winding coil and the right side winding coil are arranged on the opposite inner sides of the AF magnets respectively.
Furthermore, the chip is installed on a flexible circuit board, and a capacitor is further arranged on the flexible circuit board.
Further, the angular magnetic field change detection unit is a TMR magnetic sensor.
Furthermore, an upper elastic sheet and a lower elastic sheet are respectively arranged on the front side and the rear side of the carrier.
Further, the left side winding coil and the right side winding coil are identical in structure and are in a long ring shape.
The utility model discloses a motor, it includes above-mentioned low optical axis compensation structure, shell and base, the shell with the base cooperatees, low optical axis compensation structure sets up the shell with between the base.
The beneficial effects of the utility model reside in that: through being equipped with left side coil winding and right side coil winding respectively in the left and right sides of carrier, the chip independently supplies power to left side coil winding and right side coil winding, when the change of angle magnetic field change detecting element sensing carrier angular position of hall magnet below, angle magnetic field change detecting element gives the chip with the signal transmission of angle position change, the chip is through control left side coil winding or right side coil winding electric current, comes the change of balanced angle, reaches the optimal optical axis then and reaches low optical axis promptly, simultaneously the utility model discloses still have detect the precision height, adjust advantages such as simple and convenient, application scope is wide.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
Fig. 1 is a schematic structural diagram of a low optical axis compensation structure of the present invention;
fig. 2 is a distribution position diagram of the left side winding coil and the right side winding coil of the low optical axis compensation structure of the present invention;
fig. 3 is an exploded view of the motor of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Referring to fig. 1-3, the low optical axis compensation structure of the present invention includes:
a chip 1;
the chip comprises a carrier 2, wherein the left side and the right side of the carrier 2 are respectively provided with a left side winding coil 21 and a right side winding coil 22, and the left side winding coil 21 and the right side winding coil 22 are respectively and independently connected with a chip 1; the utility model discloses in, chip 1 can independently control the electric current size change in left side coil winding 21 or the right side coil winding 22, can adjust the magnetic field intensity of the 2 left and right sides of carrier like this to the angle change that can balance carrier 2 under the magnetic force effect makes carrier 2 can reach the optimal optical axis and reach low optical axis promptly.
A hall magnet 3 disposed between the left and right side coils 21 and 22, the hall magnet 3 being positioned at an upper portion of the carrier 2;
the angle magnetic field change detection unit 4 is arranged below the Hall magnet 3, and the angle magnetic field change detection unit 4 is used for detecting the change of the angle magnetic field of the carrier 2; preferably, the angular magnetic field change detection unit 4 is a TMR magnetic sensor. The utility model discloses in, utilize TMR magnetic sensor 4's tunneling magnetoresistance effect can sense the angle magnetic field change of carrier 2.
When the angle magnetic field change detection unit 4 detects that the angle of the carrier 2 exceeds the set range, the angle magnetic field change detection unit 4 sends a signal to the chip 1, and the chip 1 balances the angle of the carrier 2 by controlling the current of the left side winding coil 21 or the right side winding coil 22.
The utility model discloses a left and right sides at carrier 2 is equipped with left side coil winding 21 and right side coil winding 22 respectively, chip 1 independently supplies power to left side coil winding 21 and right side coil winding 22, when the change of 2 angular position of angle magnetic field change detecting element 4 sensing carrier of hall magnet 3 below, angle magnetic field change detecting element 4 gives chip 1 with the signal transmission of angular position change, chip 1 changes through control left side coil winding 21 or right side coil winding 22 electric current size, come the change of balanced angle, reach the optimal optical axis then and reach low optical axis promptly. Simultaneously the utility model discloses still have the detection precision height, adjust advantages such as simple and convenient, application scope extensively.
Preferably, the chip 1 is mounted on a flexible circuit board 6, and a capacitor 7 is further provided on the flexible circuit board 6.
Preferably, AF magnets 5 are provided on the left and right sides of the carrier 2, respectively, and the left and right side coils 21 and 22 are provided on the opposite inner sides of the AF magnets 5, respectively. The utility model discloses in, when the change of 2 angular position of angle magnetic field change detecting element 4 sensing carrier, chip 1 independently controls the electric current size change in left side coil 21 or the right side coil 22, can adjust the magnetic field intensity of the 2 left and right sides of carrier like this, and the angle that can balance carrier 2 changes under AF magnetite 5's effect.
The utility model discloses in, both sides set up shell fragment 8 and lower shell fragment 9 respectively around carrier 2.
Preferably, the left side winding coil 21 and the right side winding coil 22 have the same structure and are all long-ring shaped.
Referring to fig. 3, the utility model discloses a motor, it includes above-mentioned low optical axis compensation structure, shell 10 and base 11, and shell 10 and base 11 cooperate, and low optical axis compensation structure sets up between shell 10 and base 11 to can play the effect of the low optical axis compensation structure of protection, prolong the whole life of motor.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (7)
1. A low optical axis compensation structure, comprising:
a chip;
the left side and the right side of the carrier are respectively provided with a left side winding coil and a right side winding coil, and the left side winding coil and the right side winding coil are respectively and independently connected with the chip;
the Hall magnet is arranged between the left winding coil and the right winding coil and is positioned at the upper part of the carrier;
the angle magnetic field change detection unit is arranged below the Hall magnet and is used for detecting the change of the angle magnetic field of the carrier;
when the angle magnetic field change detection unit detects that the angle of the carrier exceeds a set range, the angle magnetic field change detection unit sends a signal to the chip, and the chip balances the angle of the carrier by controlling the current of the left side winding coil or the right side winding coil.
2. The low optical axis compensation structure of claim 1, wherein AF magnets are provided on left and right sides of said carrier, respectively, and said left side winding coil and said right side winding coil are provided on opposite inner sides of said AF magnets, respectively.
3. The low optical axis compensation structure of claim 1, wherein the chip is mounted on a flexible circuit board, and a capacitor is further disposed on the flexible circuit board.
4. The low optical axis compensation structure of claim 2, wherein the angular magnetic field change detection unit is a TMR magnetic sensor.
5. The low optical axis compensation structure of claim 1, wherein the front and rear sides of the carrier are respectively provided with an upper spring and a lower spring.
6. The low optical axis compensation structure of claim 1, wherein the left side winding coil and the right side winding coil have the same structure and have a shape of a long ring.
7. A motor comprising the low optical axis compensation structure of claims 1-6, a housing and a base, the housing and the base cooperating, the low optical axis compensation structure being disposed between the housing and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348302.9U CN210958066U (en) | 2019-12-24 | 2019-12-24 | Low optical axis compensation structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348302.9U CN210958066U (en) | 2019-12-24 | 2019-12-24 | Low optical axis compensation structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210958066U true CN210958066U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922348302.9U Active CN210958066U (en) | 2019-12-24 | 2019-12-24 | Low optical axis compensation structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210958066U (en) |
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2019
- 2019-12-24 CN CN201922348302.9U patent/CN210958066U/en active Active
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