CN208299661U - Magnetic rotation driving motor - Google Patents
Magnetic rotation driving motor Download PDFInfo
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- CN208299661U CN208299661U CN201820557956.5U CN201820557956U CN208299661U CN 208299661 U CN208299661 U CN 208299661U CN 201820557956 U CN201820557956 U CN 201820557956U CN 208299661 U CN208299661 U CN 208299661U
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- motor
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- permanent magnet
- rotating bar
- shaft
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Abstract
The utility model relates to Electromagnetic Drive Technology fields, more particularly to a kind of magnetic rotation driving motor, including motor skeleton, skeleton branch lid, shaft, rotating bar, the first permanent magnet and coil windings；The motor skeleton is fixedly connected with skeleton branch lid, and motor skeleton bottom is provided with bottom feature holes, and the skeleton branch lid is provided with top feature holes, and the bottom feature holes and the top feature holes are on same axis；The shaft passes through the bottom feature holes and top feature holes, and the shaft is connected with the rotating bar that can be rotated around the axis where the shaft；The rotating bar is fixedly connected with the first permanent magnet, is provided with coil windings to the first permanent magnet outside contactless, the coil windings are fixedly connected with motor skeleton；Second permanent magnet is fixedly mounted on the motor skeleton.In the present solution, the structure of the motor is simple, driving method is simple, improves the flexibility of motor rotation, the use cost of motor can be effectively reduced.
Description
Technical field
The utility model relates to Electromagnetic Drive Technology fields, more particularly to a kind of magnetic rotation driving motor.
Background technique
Motor be according to the law of electromagnetic induction realize electric energy conversion or transmitting a kind of calutron, generally comprise stator,
Rotor and shell can generate driving torque, the power source as various equipment.Traditional electric machine structure is complex, with
Apply to for the aperture motor for adjusting aperture size in video camera, video camera is adjusted by control aperture size enters light
The amount light of circle, and then change video camera imaging quality.In order to control camera aperture size, aperture electricity is generally utilized
Machine as a source of power drives aperture blades, and realization controls aperture size.
At present in video camera on the market, mostly using stepper motor as aperture motor, structure is complex；Also have
Motor, structure includes motor housing and inner rotation component, and inner rotation component is fixedly connected with magnet ring, and motor housing is solid
Surely it is connected with inductor, drives inner rotation component to be rotated by the electric current of the coil windings outside control motor housing；
However the magnet ring of the motor inner rotation component of this structure can only be in " N be extremely close to inductor " and " S is extremely close to inductor " two
Switching between kind state, i.e., can only realize two rotational angles, rotational angle is less, and it is inflexible, therefore it is not particularly suited for light
Enclose the adjusting of size.
Utility model content
Based on this, it is necessary to which inflexible for current aperture motor, structure is complex, leads to camera aperture control
The problem of higher cost, provides a kind of magnetic rotation driving motor.
A kind of magnetic rotation driving motor, including motor skeleton, skeleton branch lid, shaft, rotating bar, the first permanent magnet, coil around
Group and the second permanent magnet；
The motor skeleton is fixedly connected with skeleton branch lid, and motor skeleton bottom is provided with bottom feature holes, the bone
Frame branch lid is provided with top feature holes, and the bottom feature holes and the top feature holes are on same axis；
The shaft passes through the bottom feature holes and top feature holes, and the shaft is connected with can be around the axis where the shaft
The rotating bar that line is rotated；
The rotating bar is fixedly connected with the first permanent magnet, be provided with to the first permanent magnet outside contactless coil around
Group, the coil windings are fixedly connected with motor skeleton；
Second permanent magnet is fixedly mounted on the motor skeleton.
The rotating bar is fixedly connected with the shaft in one of the embodiments,.
Motor skeleton bottom is provided with contact pin, the contact pin and the coil windings in one of the embodiments,
Connection.
Feature slot is provided on the motor skeleton in one of the embodiments, second permanent magnet is fixedly mounted
On the feature slot.
It in one of the embodiments, further include metal shell, the metal shell is set in the outer of the motor skeleton
Portion is in first permanent magnet and coil windings inside the metal shell.
The rotating bar is provided with clamping structure in one of the embodiments, for being clamped to aperture blades, and
The aperture blades are driven to be moved in rotating bar rotation.
Compared with prior art, the embodiments of the present invention have at least the following advantages:
1, the coil windings of this magnetic rotation driving motor can generate coil magnetic field when being powered, and the first permanent magnet is in coil magnetic
Under the action of, the axis where can driving the rotating bar being fixedly connected using the shaft is rotated as rotation axis；And
And by changing the electric current being powered, thus it is possible to vary the size of the coil magnetic field or direction, and then change turning for the rotating bar
Dynamic state；
2, in this magnetic rotation driving motor the second permanent magnet setting, the cooperation with coil windings can be the ability to easily control rotating bar
Rotational angle, improve motor rotation flexibility；When applying to change aperture size, so that the adjusting of aperture is cleverer
It is living, to improve image quality；
3, this magnetic rotation driving motor structure is simple, and driving method is simple, and the use cost of motor can be effectively reduced.
Detailed description of the invention
Fig. 1 is the structural decomposition diagram of one embodiment of the utility model；
Fig. 2 is the structural schematic diagram of rotating bar and shaft in one embodiment of the utility model；
Fig. 3 is the structural schematic diagram of one angle of motor skeleton in one embodiment of the utility model；
Fig. 4 is the structural schematic diagram of one angle of motor skeleton in one embodiment of the utility model；
Fig. 5 is the structural schematic diagram of one angle of motor skeleton in one embodiment of the utility model；
Fig. 6 is the structural schematic diagram of one embodiment of the utility model.
Specific embodiment
It is further described below in conjunction with FIG. 1 to FIG. 6.
A kind of magnetic rotation driving motor, including motor skeleton 1, skeleton branch lid 2, shaft 3, rotating bar 4, the first permanent magnet 5, line
Enclose winding 6 and the second permanent magnet；
The motor skeleton 1 is fixedly connected with skeleton branch lid 2, and 1 bottom of motor skeleton is provided with bottom feature holes 11, institute
It states skeleton branch lid 2 and is provided with top feature holes 21, the bottom feature holes 11 are on same axis with the top feature holes 21；
The shaft 3 passes through the bottom feature holes 11 and top feature holes 21, and the shaft 3 is connected with can be around the shaft 3
The rotating bar 4 that the axis at place is rotated；
The rotating bar 4 is fixedly connected with the first permanent magnet 5, is arranged to 5 outside contactless of the first permanent magnet wired
Winding 6 is enclosed, the coil windings 6 are fixedly connected with motor skeleton 1；
Second permanent magnet 7 is fixedly mounted on the motor skeleton 1.
According to a kind of above-mentioned motor, including motor skeleton 1, skeleton branch lid 2, shaft 3, rotating bar 4, the first permanent magnet 5
With coil windings 6, when the coil windings 6 are powered, the coil windings 6 will generate coil magnetic field, first permanent magnet 5
Under the action of the coil magnetic field, the rotating bar 4 being fixedly connected can be driven using the axis at 3 place of shaft as rotation
Axis is rotated；Also, by changing the electric current being powered, thus it is possible to vary the size of the coil magnetic field or direction, and then change
The rotary state of the rotating bar 4；In the present solution, the structure of the motor is simple, driving method is simple, can be effectively reduced
The use cost of motor.
Optionally, fluted, the skeleton can be set in the position that the motor skeleton 1 is used to connect with skeleton branch lid 2
The protrusion to match with the groove can be set in the position that branch lid 2 is used to connect with motor skeleton 1, and the protrusion can block
Portion in the groove is met, the motor skeleton 1 and skeleton branch lid 2 can be more securely connected.
In the present embodiment, by the way that second permanent magnet 7 to be fixedly mounted on the motor skeleton 1, described second
Permanent magnet 7 generates fixed magnetic field, and when the coil windings 6 have electric current to pass through, the coil windings 6 generate coil magnetic field；Institute
The first effect by the coil magnetic field and fixed magnetic field simultaneously of permanent magnet 5 is stated, by the electricity for changing the coil windings 6
Stream, thus it is possible to vary the size of the coil magnetic field or direction drive the rotating bar 4 to turn to corresponding angle, realize rotation
Angle is limiting stepless variation at any angle in range, improves the flexibility of motor rotation；Meanwhile when the coil windings
When 6 no currents pass through, first permanent magnet 5 drives the rotation of rotating bar 4 to be returned under the action of the fixed magnetic field
One fixed angle and holding, the function of being resetted when realizing no current.
The rotating bar 4 is fixedly connected with the shaft 3 in one of the embodiments,.
In the present embodiment, the shaft 3 is fixedly connected with the rotating bar 4, when the rotating bar 4 rotation, is driven
The shaft 3 is rotated together, can make the rotating bar 4 more stably using the axis where the shaft 3 as
Rotation axis is rotated.
1 bottom of motor skeleton is provided with contact pin 12, the contact pin 12 and the coil in one of the embodiments,
Winding 6 connects.
In the present embodiment, by the way that contact pin 12 is arranged in 1 bottom of motor skeleton, can stablize in the equipment using motor
The motor is installed, while realizing being electrically connected between motor and motor-drive circuit using the contact pin 12 with can be convenient；
The contact pin 12 is connect with the coil windings 6, by changing the output electric current of the contact pin 12, that is, the coil can be changed
The size in magnetic field or direction, and then change the rotary state of the rotating bar 4.
Optionally, according to practical situations, multiple groups contact pin 12, and institute can be set in 1 bottom of motor skeleton
Stating multiple groups contact pin 12 can connect multiple groups coil windings 6, to improve torsion and the flexibility of motor.
Feature slot 13 is provided on the motor skeleton 1 in one of the embodiments, second permanent magnet 7 is fixed
It is mounted on the feature slot 13.
In the present embodiment, by the way that feature slot 13 is arranged on the motor skeleton 1, and second permanent magnet 7 is consolidated
Dingan County allows second permanent magnet 7 to be more firmly secured to the motor skeleton 1 on the feature slot 13
On, situations such as being not susceptible to displacement, slide, to enhance the stability of the fixed magnetic field, improve what the rotating bar 4 rotated
Accuracy.
It in one of the embodiments, further include metal shell 8, the metal shell 8 is set in the motor skeleton 1
Outside is in first permanent magnet 5 and coil windings 6 inside the metal shell 8.
In the present embodiment, metal shell 8 has good magnetic property, by the way that the metal shell 9 is set in institute
The outside of motor skeleton 1 is stated, external interference can be shielded while stablizing motor 1 internal magnetic field of skeleton, be inside motor
The magnetic field of generation provides a stable environment, to improve the accuracy of motor control.
The rotating bar 4 is provided with clamping structure 41 in one of the embodiments, for aperture blades card
It connects, and drives the aperture blades to be moved when rotating bar 4 rotates.
In the present embodiment, a kind of simple structure is provided, it, can by the way that clamping structure 41 is arranged in the rotating bar 4
To be clamped to aperture blades, the aperture blades are driven to be moved to be conveniently implemented in when rotating bar 4 rotates
Function.
A kind of magnetic rotation driving motor, includes motor skeleton 1, and motor skeleton 1 is equipped with contact pin 12；It is set on motor skeleton 1
There are bottom feature holes 11；It is additionally provided with skeleton branch lid 2, motor skeleton 1 and skeleton branch lid 2 on motor skeleton 1, connection is embedded in by mechanism；
Skeleton branch lid 2 is equipped with top feature holes 21；It pushes up feature holes 21 and feature holes 11 concentricity coherence request in bottom is higher；Motor skeleton
Shaft 3 is additionally provided on 1, shaft 3 is connected by bottom feature holes 11 and top feature holes 21；Rotating bar 4, shaft 3 are additionally provided in shaft 3
It is fixed with 4 relative positions of rotating bar；Rotating bar 4 is equipped with the first permanent magnet 5, opposite position between the first permanent magnet 5 and rotating bar 4
Set fixation；Coil windings 6 are additionally provided on motor skeleton 1 and skeleton branch lid 2, coil windings 6 are connect with contact pin 12；Motor skeleton 1
It is equipped with feature slot 13, is equipped with the second permanent magnet 7 in feature slot 13；Metal shell 8, shown metal are additionally provided on motor skeleton 1
Shell 8 is becket；Overall package figure is as shown in Figure 6.
According to a kind of above-mentioned electric machine, the fixation of 5 relative position of shaft 3, rotating bar 4 and the first permanent magnet passes through
Placement to the first permanent magnet 5 and the second permanent magnet 7, using magnet identical charges repel each other principle of opposite sex attraction, the first permanent magnet 5 is driven
Rotating bar 4 and shaft 3 are rotated along bottom feature holes 11 and top feature holes 21, and keep it in corresponding position.By coil around
6 access electric currents of group, are made coil windings 6 generate magnetic field, are repelled each other the principle that there is a natural attraction between the sexes using magnet general character again, make the first permanent magnetism
Body 5 drives rotating bar 4 and shaft 3 to rotate, and reaches the rotating function for the rotating bar 4 that the motor to be realized.By utilizing metal
The good characteristic of ring magnetic property, also isolation shields external interference while stablizing internal magnetic field, to magnetic caused by motor inside
Field provides a stable environment, to make that motor control precision is greatly improved.When no current driving, the static guarantor of rotating bar 4
It holds in fixed position, the use consistency of product is high, does not need to increase additional reset function, use cost is low.
Claims (6)
1. a kind of magnetic rotation driving motor, which is characterized in that including motor skeleton (1), skeleton branch lid (2), shaft (3), rotating bar
(4), the first permanent magnet (5), coil windings (6) and the second permanent magnet (7)；
The motor skeleton (1) is fixedly connected with skeleton branch lid (2), and motor skeleton (1) bottom is provided with bottom feature holes
(11), the skeleton branch lid (2) is provided with top feature holes (21), and the bottom feature holes (11) are in the top feature holes (21)
On same axis；
The shaft (3) passes through the bottom feature holes (11) and top feature holes (21), and the shaft (3) is connected with can be around described turn
The rotating bar (4) that axis where axis (3) is rotated；
The rotating bar (4) is fixedly connected with the first permanent magnet (5), is provided with to the first permanent magnet (5) outside contactless
Coil windings (6), the coil windings (6) are fixedly connected with motor skeleton (1)；
Second permanent magnet (7) is fixedly mounted on the motor skeleton (1).
2. magnetic rotation driving motor according to claim 1, which is characterized in that the rotating bar (4) and the shaft (3) are solid
Fixed connection.
3. magnetic rotation driving motor according to claim 1, which is characterized in that motor skeleton (1) bottom is provided with slotting
Needle (12), the contact pin (12) connect with the coil windings (6).
4. magnetic rotation driving motor according to claim 1, which is characterized in that be provided with feature on the motor skeleton (1)
Slot (13), second permanent magnet (7) are fixedly mounted on the feature slot (13).
5. magnetic rotation driving motor according to claim 1, which is characterized in that further include metal shell (8), outside the metal
Shell (8) is set in the outside of the motor skeleton (1), and first permanent magnet (5) and coil windings (6) is made to be in the gold
It is internal to belong to shell (8).
6. magnetic rotation driving motor according to claim 1, which is characterized in that the rotating bar (4) is provided with clamping structure
(41), for being clamped to aperture blades, and the aperture blades are driven to be moved when rotating bar (4) rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820557956.5U CN208299661U (en) | 2018-04-19 | 2018-04-19 | Magnetic rotation driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820557956.5U CN208299661U (en) | 2018-04-19 | 2018-04-19 | Magnetic rotation driving motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208299661U true CN208299661U (en) | 2018-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820557956.5U Active CN208299661U (en) | 2018-04-19 | 2018-04-19 | Magnetic rotation driving motor |
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| Country | Link |
|---|---|
| CN (1) | CN208299661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494214A (en) * | 2018-04-19 | 2018-09-04 | 中山联合光电科技股份有限公司 | Simple structure magnetic rotation driving device |
-
2018
- 2018-04-19 CN CN201820557956.5U patent/CN208299661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494214A (en) * | 2018-04-19 | 2018-09-04 | 中山联合光电科技股份有限公司 | Simple structure magnetic rotation driving device |
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