CN213457502U - Full-automatic atmospheric chromatic aberration corrector - Google Patents
Full-automatic atmospheric chromatic aberration corrector Download PDFInfo
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- CN213457502U CN213457502U CN202022982753.0U CN202022982753U CN213457502U CN 213457502 U CN213457502 U CN 213457502U CN 202022982753 U CN202022982753 U CN 202022982753U CN 213457502 U CN213457502 U CN 213457502U
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- optical wedge
- fixing ring
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- wedge fixing
- gear ring
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Abstract
The utility model relates to a full-automatic atmospheric color difference corrector, full-automatic atmospheric color difference corrector include upper cover plate, lower apron, left side casing, right side casing assembly and inside optical wedge assembly, and the optical wedge assembly includes locating frame and lower locating frame and middle last ring gear, lower ring gear, goes up the ring gear and the same with lower ring gear size. The upper positioning frame and the lower positioning frame are supported through the supporting columns, the upper gear ring is in clearance fit with the upper positioning frame, the upper gear ring can rotate freely, the lower gear ring is in clearance fit with the lower positioning frame, and the lower gear ring can rotate freely. The first optical wedge is installed in the upper gear ring, and the second optical wedge is installed in the lower gear ring. One side of the upper gear ring and one side of the lower gear ring are provided with a speed reduction stepping motor, the speed reduction stepping motor comprises two micro motors, the motors output power through gears and respectively control the rotation of the upper gear ring and the lower gear ring, and the other side of the motors is provided with a control unit used for controlling the speed reduction stepping motor.
Description
Technical Field
The utility model relates to an atmospheric color difference corrector technical field, concretely relates to full-automatic atmospheric color difference corrector.
Background
The atmospheric chromatic aberration corrector is a common tool in astronomical observation equipment, and the light refraction in the atmosphere can affect a photoelectric element of the astronomical observation equipment, so the atmospheric chromatic aberration corrector is required to correct the refraction of the atmosphere to the light. The traditional manual atmospheric chromatic aberration corrector has certain requirements on the operation level of a user, and because the height of the celestial body is changed all the time, the elevation angle of the astronomical telescope is also changed at any time, the atmospheric chromatic aberration corrector needs to be adjusted in real time according to the height of the celestial body.
The utility model discloses an atmospheric chromatic aberration correction mirror as utility model patent of grant publication No. CN205844603U, this correction mirror include lens cone, atmospheric chromatic aberration correction mirror, first light wedge mirror, second light wedge mirror, filter frame, frame cover and handle, through the contained angle of two regulation poles of manual regulation during the use to holistic angle also need rotate, and every ten minutes is just readjusted. The manual adjustment atmospheric color difference corrector is complex to operate and has higher requirement on the knowledge storage of an operator.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a full-automatic atmospheric color difference corrector to solve the problem that the chromatic difference corrector adjusts complicacy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the full-automatic atmospheric chromatic aberration corrector comprises a first optical wedge, a second optical wedge, a first optical wedge fixing ring and a second optical wedge fixing ring, wherein the first optical wedge is fixed in the first optical wedge fixing ring, and the second optical wedge is fixed in the second optical wedge fixing ring; a first driving mechanism is arranged on the side edge of the first optical wedge fixing ring, the first driving mechanism comprises a first motor and a first transmission piece, the first transmission piece is in transmission fit with the first optical wedge fixing ring to drive the first optical wedge fixing ring to rotate, a second driving mechanism is arranged on the side edge of the second optical wedge fixing ring, the second driving mechanism comprises a second motor and a second transmission piece, and the second transmission piece is in transmission fit with the second optical wedge fixing ring to drive the second optical wedge fixing ring to rotate; the control unit is used for receiving the inclination angle information of the equipment and controlling the first motor and the second motor to act according to the inclination angle information.
Further, the first optical wedge fixing ring is arranged on the upper positioning frame, and the second optical wedge fixing ring is arranged on the lower positioning frame.
Furthermore, the first optical wedge fixing ring and the second optical wedge fixing ring are gear rings, and the first transmission piece and the second transmission piece are gears.
Further, the control unit is mounted with a three-axis acceleration sensor.
Further, the control unit is also provided with a photoelectric sensor or a photoelectric encoder.
Further, the first motor and the second motor are speed reducing stepping motors or direct current speed reducing motors with encoders.
Furthermore, the first wedge fixing ring is in clearance fit with the upper positioning frame, and the second wedge fixing ring is in clearance fit with the lower positioning frame.
Further, magnets are installed on the first optical wedge fixing ring and the second optical wedge fixing ring, and a Hall sensor is installed on the control unit.
The utility model has the advantages that:
the utility model discloses automatic atmospheric color difference corrector, including first light wedge, the second light wedge, first light wedge retainer plate, second light wedge retainer plate, first light wedge retainer plate side is provided with first actuating mechanism, and first actuating mechanism includes first motor and first transmission piece, first transmission piece and first light wedge retainer plate transmission cooperation, and second light wedge retainer plate side is provided with second actuating mechanism, and second actuating mechanism includes second motor and second transmission piece, second transmission piece and second light wedge retainer plate transmission cooperation. During operation, the sensor on the control unit can detect the position of first optical wedge retainer plate and second optical wedge retainer plate earlier then control first motor and second motor and make the adjustment, be provided with triaxial acceleration sensor on the equipment, after first optical wedge retainer plate and second optical wedge retainer plate returned to the special position, triaxial acceleration sensor detected the inclination of current equipment, singlechip on the control unit reads out inclination data after, the required compensation volume is figured out, calculate the number of steps that first motor and second motor need rotate, drive first motor and second motor and rotate first optical wedge retainer plate and second optical wedge retainer plate, drive first optical wedge and second optical wedge, adjust the contained angle of first optical wedge and second optical wedge, thereby compensate atmospheric color difference. The full-automatic atmospheric chromatic aberration corrector does not need manual regulation, automatically adjusts the included angle of the optical wedge in real time in the whole process, can realize full automation of atmospheric chromatic aberration compensation in astronomical shooting, and reduces operation difficulty.
Drawings
Fig. 1 is a schematic structural diagram (perspective view) of the full-automatic atmospheric color difference corrector of the present invention;
FIG. 2 is a schematic structural view (perspective view) of another view angle of the full-automatic atmospheric color difference corrector of the present invention;
FIG. 3 is a schematic view of another view angle of the full-automatic atmospheric color difference corrector of the present invention (a perspective view)
FIG. 4 is a schematic view of the internal structure of the automatic atmospheric color difference corrector of the present invention;
fig. 5 is a schematic structural diagram (exploded view) of the full-automatic atmospheric color difference corrector of the present invention.
Names corresponding to the marks in the figure: 1. the upper cover plate, 2, left side casing, 3, right side casing assembly, 30, adjust knob, 31, display, 4, speed reduction stepper motor, 5, go up the locating frame, 6, first light wedge, 7, go up the gear, 8, lower ring gear, 9, second light wedge, 10, lower fixed frame, 11, the control unit, 12, lower cover plate, 13, the support column, 14, go up logical light window, 15, magnet, 16, power socket, 17, lead to the light window down.
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 in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
as shown in fig. 1-3, the full-automatic atmospheric color difference corrector includes an upper cover plate 1, a lower cover plate 12, a left side housing 2, and a right side housing assembly 3, where the upper cover plate 1 is provided with an upper light-passing window 14, the lower cover plate 12 is provided with a lower light-passing window 17, the light- passing windows 14 and 17 are of a screw structure, the size of the screw is M42X0.75, the centers of the two windows are coaxial, and the full-automatic atmospheric color difference corrector can be used for connecting equipment such as an M42-1.25 inch or an M42-2 inch rotating camera. The left hand housing assembly 2 is provided with a power outlet 16 for supplying power or charging the battery. The right housing assembly 3 is provided with an adjustment knob 30 and a display 31.
As shown in fig. 4, the full-automatic atmospheric color difference corrector comprises an upper positioning frame 5, a lower positioning frame 10, an upper gear ring 7 and a lower gear ring 8 in the middle, wherein the upper gear ring 7 and the lower gear ring 8 have the same size. The upper positioning frame 5 and the lower positioning frame 10 are supported through the supporting columns 13, the upper gear ring 7 is in clearance fit with the upper positioning frame 5, the upper gear ring 7 can rotate freely, the lower gear ring 8 is in clearance fit with the lower positioning frame 10, and the lower gear ring can rotate freely. And a speed reduction stepping motor assembly is arranged at one end of the upper gear ring 7 and one end of the lower gear ring 8, the stepping motor assembly comprises two micro motors, the motors output power through gears to respectively control the rotation of the upper gear ring 7 and the lower gear ring 8, and magnets 15 are arranged at specific positions on the upper gear ring 7 and the lower gear ring 8 at the other ends.
As shown in fig. 5, the first optical wedge 6 is mounted in the upper ring gear 7, the second optical wedge 9 is mounted in the lower ring gear 8, and the first optical wedge 6 and the second optical wedge 9 do not contact each other. A control unit 11 is arranged at a position corresponding to the magnet 15, and a hall sensor is arranged on the control unit 11 and judges whether the gear ring returns to a specific position or not by detecting the position of the magnet.
In operation, after power is turned on or initialization is selected in the operation menu, the sensor on the control unit 11 detects the position of the magnet 15 to determine whether the upper ring gear 7 and the lower ring gear 8 are at the specific position, and if not, the stepping motor assembly 4 is started to rotate the upper ring gear 7 and the lower ring gear 8 to return to the specific position. The circuit board is provided with a triaxial acceleration sensor, after the upper gear ring 7 and the lower gear ring 8 return to specific positions, the triaxial acceleration sensor detects the inclination angle of the current equipment, a single chip microcomputer on the control unit 11 reads out inclination angle data, required compensation amount is calculated, the number of steps required to rotate the stepping motor is calculated, the stepping motor is driven to rotate the upper gear ring 7 and the lower gear ring 8, the first optical wedge 6 and the second optical wedge 9 are driven, the included angle between the first optical wedge 6 and the second optical wedge 9 is adjusted, and accordingly atmospheric chromatic aberration is compensated.
the difference between this embodiment and embodiment 1 is that in embodiment 1, the optical wedge fixing ring is a gear ring, and the power output end of the speed reduction stepping motor in this embodiment is changed to a rack, or the upper gear ring 7 and the lower gear ring 8 are replaced by worm gears, and the gear of the power output end of the speed reduction stepping motor is replaced by a worm.
the magnets 15 arranged on the upper gear ring 7 and the lower gear ring 8 are eliminated, the Hall sensors on the control unit 11 are replaced by photoelectric sensors, or the stepping motor is changed into a direct-current speed reduction motor with an encoder, so that the positions of the upper gear ring 7 and the lower gear ring 8 can be judged, and the upper gear ring 7 and the lower gear ring 8 can be rotated to return to specific positions.
Claims (8)
1. A full-automatic atmospheric color difference corrector is characterized in that: the optical wedge fixing device comprises a first optical wedge, a second optical wedge, a first optical wedge fixing ring and a second optical wedge fixing ring, wherein the first optical wedge is fixed in the first optical wedge fixing ring, and the second optical wedge is fixed in the second optical wedge fixing ring; a first driving mechanism is arranged on the side edge of the first optical wedge fixing ring, the first driving mechanism comprises a first motor and a first transmission piece, the first transmission piece is in transmission fit with the first optical wedge fixing ring to drive the first optical wedge fixing ring to rotate, a second driving mechanism is arranged on the side edge of the second optical wedge fixing ring, the second driving mechanism comprises a second motor and a second transmission piece, and the second transmission piece is in transmission fit with the second optical wedge fixing ring to drive the second optical wedge fixing ring to rotate; the control unit is used for receiving the inclination angle information of the equipment and controlling the first motor and the second motor to act according to the inclination angle information.
2. The full-automatic atmospheric color difference corrector according to claim 1, characterized in that: the first optical wedge fixing ring is arranged on the upper positioning frame, and the second optical wedge fixing ring is arranged on the lower positioning frame.
3. The full-automatic atmospheric color difference corrector according to claim 1, characterized in that: the first optical wedge fixing ring and the second optical wedge fixing ring are gear rings, and the first transmission piece and the second transmission piece are gears.
4. The full-automatic atmospheric color difference corrector according to claim 1, characterized in that: the control unit is provided with a three-axis acceleration sensor.
5. The full-automatic atmospheric color difference corrector according to claim 4, characterized in that: the control unit is also provided with a photoelectric sensor or a photoelectric encoder.
6. The full-automatic atmospheric color difference corrector according to claim 1, characterized in that: the first motor and the second motor are speed reducing stepping motors or direct current speed reducing motors with encoders.
7. The full-automatic atmospheric color difference corrector according to claim 1, characterized in that: the first wedge fixing ring is in clearance fit with the upper positioning frame, and the second wedge fixing ring is in clearance fit with the lower positioning frame.
8. The full-automatic atmospheric color difference corrector according to claim 1, characterized in that: magnets are installed on the first optical wedge fixing ring and the second optical wedge fixing ring, and a Hall sensor is installed on the control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982753.0U CN213457502U (en) | 2020-12-08 | 2020-12-08 | Full-automatic atmospheric chromatic aberration corrector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022982753.0U CN213457502U (en) | 2020-12-08 | 2020-12-08 | Full-automatic atmospheric chromatic aberration corrector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213457502U true CN213457502U (en) | 2021-06-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022982753.0U Active CN213457502U (en) | 2020-12-08 | 2020-12-08 | Full-automatic atmospheric chromatic aberration corrector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213457502U (en) |
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2020
- 2020-12-08 CN CN202022982753.0U patent/CN213457502U/en active Active
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