CN215187029U - Double-sensor focusing mechanism and astronomical camera - Google Patents
Double-sensor focusing mechanism and astronomical camera Download PDFInfo
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- CN215187029U CN215187029U CN202121512744.3U CN202121512744U CN215187029U CN 215187029 U CN215187029 U CN 215187029U CN 202121512744 U CN202121512744 U CN 202121512744U CN 215187029 U CN215187029 U CN 215187029U
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Abstract
The utility model relates to the technical field of cameras, in particular to a double-sensor focusing mechanism, which comprises a first sensor and a second sensor, wherein the first sensor and the second sensor are used for receiving light and converting the light into electric signals; the optical element is used for changing the light path reaching the second sensor; the carrier is used for carrying the first sensor and/or the second sensor. This two sensor mechanism of focusing, top through at sensor two sets up the glass board, can fine change sensor two's focus, come to close with the focus above the sensor one, thereby make the picture more clear that the light after the sensor two receipt was shot, thereby solve two sensors in same casing, the different clear circumstances of unable shooting simultaneously of image that causes of focus, and the over-and-under type of passing through the voice coil loudspeaker voice coil camera is adjusted the high accuracy of sensor two, the position of focusing of two sensors can be adjusted, come the inconsistent influence that causes the position of focusing of glass board thickness.
Description
Technical Field
The utility model relates to a camera technical field specifically is a two sensor mechanism of focusing.
Background
Astronomical deep space photography needs two cameras, one camera is used for a guide satellite to track a target celestial body, one camera is used for shooting the target celestial body, a planet camera is used for the guide satellite, a refrigeration camera is used for shooting a target, and the work can be completed by the two cameras in the existing astronomical photography field.
And at present when two sensors are placed in same casing, the focusing distance that has two sensors to receive is different, and in the field of telescope, very little error just can cause certain influence to the definition of shooing to influence the definition of image. In view of this, we propose a dual-sensor focusing mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two sensors mechanism of focusing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a double-sensor focusing mechanism comprises a first sensor and a second sensor, wherein the first sensor and the second sensor are used for receiving light rays and converting the light rays into electric signals;
the optical element is used for changing the light path reaching the second sensor;
the carrier is used for carrying the first sensor and/or the second sensor.
Preferably, the optical element comprises a glass plate, and the glass plate is positioned above the second sensor.
Preferably, the carrier comprises a first circuit board and a second circuit board, the first sensor is electrically connected with the first circuit board, the second sensor is electrically connected with the second circuit board, and the second circuit board is provided with an adjusting unit.
Preferably, the carrier is a complete circuit board III, the sensor I and the sensor II are arranged on the circuit board III, and the sensor I and the sensor II are electrically connected with the circuit board III.
Preferably, the first circuit board and/or the second circuit board are used for receiving the electric signals of the first sensor and the second sensor to perform image processing.
Preferably, the circuit board is used for receiving the electric signals of the first sensor and the second sensor to process images.
Preferably, the adjusting unit comprises a motor, the output end of the motor is connected with the second circuit board, the motor is connected with a connecting rod, and the connecting rod is connected to the first circuit board.
Preferably, the motor is a voice coil motor, and the circuit board two is electrically connected with the circuit board one through a flat cable.
Preferably, the optical element is provided with a fixing unit, the fixing unit comprises a clamping seat, a guide rod is connected to the clamping seat, the guide rod is connected with the circuit board II, and the clamping seat is connected with the optical element.
An astronomical camera is characterized by comprising any one double-sensor focusing mechanism
Compared with the prior art, the beneficial effects of the utility model are that:
1. this two sensor mechanism of focusing sets up the glass board through the top at sensor two, can fine change sensor two's focus, comes to close the focus with the focus above the sensor one to make the picture that light after the second receipt of sensor was shot more clear, can not influence the image of shooting above the sensor one simultaneously, thereby solve two sensors in same casing, close the unable clear circumstances of shooting simultaneously of the different images that cause of focus.
2. This two sensor mechanism that focuses on, and the over-and-under type of passing through the voice coil loudspeaker voice coil camera is adjusted to the high accuracy of sensor two, further control sensor two's position height to this comes the focus position of adjusting sensor one and sensor two, makes the position of whole focus can not influence the position of focusing along with the deviation of glass plate thickness, further improvement two sensor integration and the image effect of shooing in the casing.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the whole telescope.
In the figure: 1. a first circuit board; 2. a second circuit board; 3. a connecting rod; 4. a first sensor; 5. a second sensor; 6. a holder; 7. a glass plate; 8. a motor; 9. a guide rod.
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 without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution:
a double-sensor focusing mechanism comprises a first sensor 4 and a second sensor 5, wherein the first sensor 4 and the second sensor 5 are used for receiving light rays and converting the light rays into electric signals;
the optical element is used for changing the light path reaching the second sensor 5;
and the carrier is used for carrying the first sensor 4 and the second sensor 5.
In this embodiment, optical element includes glass plate 7, glass plate 7 is located the second 5 top of sensor, and the area of glass plate 7 is greater than the second 5 area of sensor, only through the effect of glass plate 7, come to carry out certain refraction to the light, make the position of single focus point change, come to compensate with the focus point of sensor 4, reach the uniformity with this, make the focus position of two sensors realize the coincidence, make two sensors in same focus plane, guarantee the image definition in the shooting process, and glass plate 7 depends on the thickness of glass plate 7 to the extension of light path, the thicker of glass plate 7 is longer to the extension of light path, and can calculate the thickness that needs glass plate 7 according to the height value of two sensor photosurfaces.
Furthermore, the carrier comprises a first circuit board 1 and a second circuit board 2, the first sensor 4 is electrically connected with the first circuit board 1, the second sensor 5 is electrically connected with the second circuit board 2, the second circuit board 2 is provided with an adjusting unit, the first circuit board 1 and the second circuit board 2 respectively receive light data received by the two sensors, and the adjusting unit adjusts the height of the second circuit board 2 to solve the problem that the light is refracted to the second sensor 5 and is not focused due to the nonstandard thickness of the glass plate 7.
Furthermore, the carrier is a complete circuit board three, sensor 4 and sensor two 5 set up on the circuit board three, sensor 4 and sensor two 5 and three electric connection of circuit board, and holistic circuit board also can make one, realize the connection of two sensors and bear the weight of, when setting to a circuit board three, then do not have the regulating unit, only need come to reflect the light path by glass board 7 to sensor two 5 on, change sensor two 5's light path, make it and sensor one 4 focus, make two sensors at same focus plane, improve and shoot the definition.
The circuit board I1 and the circuit board II 2 are used for receiving the electric signals of the sensor I4 and the sensor II 5 for image processing, and when two circuit boards exist, the two circuit boards are separated to receive the optical signals received by the two sensors.
The third circuit board is used for receiving the electric signals of the first sensor 4 and the second sensor 5 to perform image processing, and when one circuit board exists, the circuit board is used for simultaneously receiving the optical signals of the two sensors.
In addition, the regulating unit is including motor 8, motor 8's output is connected with two 2 circuit boards, be connected with connecting rod 3 on the voice coil motor 8, connecting rod 3 is connected on circuit board 1, the position height of controlling two 5 sensors through motor 8's flexible, with this difference of answering sensor 4 and two 5 sensor focus positions, and when 7 preparation errors of glass board, thickness has the focus position that small error will also influence two sensors, this just leads to the image not clear, and through motor 8's regulation, compensate the error of 7 processes of making of glass board, the definition that makes whole equipment shooting can improve greatly, do not have certain limitation.
Motor 8 is voice coil motor, and circuit board two 2 is through winding displacement and circuit board 1 electric connection, and voice coil motor is one kind of motor, because the principle is similar with the speaker, so called voice coil motor has high frequency response, the characteristics of high accuracy, can reach very accurate purpose through voice coil motor to adjusting circuit board two 2's height for shoot the more clear of image.
Be provided with fixed unit on the optical element, fixed unit includes holder 6, is connected with guide arm 9 on the holder 6, and guide arm 9 is connected with circuit board two 2, and holder 6 is connected with optical element, fixes optical element through fixed unit for holistic adding can not appear rocking and the condition of aversion using optical element, keeps optical element's stability.
Example 2
An astronomical camera is a double-sensor focusing mechanism which can be well applied to an astronomical photographic camera, wherein one sensor provides a guide star, and the other sensor is used for shooting.
In addition, the motor 8 is a voice coil motor, the circuit board II 2 is electrically connected with the circuit board I1 through a flat cable, the voice coil motor has the characteristics of high frequency response and high precision, the main principle is that in a permanent magnetic field, the stretching position of the spring piece is controlled by changing the direct current of a coil in the motor, so that the spring piece is driven to move up and down, and the voice coil motor is adopted, so that the effect of high regulation precision exists, the requirement of high regulation precision in the cameras is met, and the definition of shot images of the two cameras is improved.
It is worth noting that the fixing unit comprises a clamping seat 6, a guide rod 9 is connected to the clamping seat 6, the guide rod 9 is connected with the second circuit board 2, the glass plate 7 is clamped with the clamping seat 6, the glass plate 7 can be rapidly installed and fixed through the arranged fixing unit, a clamping mode can be adopted, a bolt fixing mode can also be adopted, and the glass plate 7 is guaranteed to be fixed on the second sensor 5, so that subsequent replacement and maintenance are facilitated.
Meanwhile, two sensors are arranged in the same shell, a glass plate 7 is arranged above the second sensor 5, the focal length of the second sensor 5 is changed through the arranged glass plate 7, so that the shot image is clearer, the size of the glass plate 7 needs to cover the size of the whole second sensor 5, if an error exists in the manufacture of the glass plate 7, the up-and-down position of the whole second sensor 5 can be adjusted by controlling a motor 8, the motor 8 is a voice coil motor in electronics, and is one type of motor, because the principle is similar to that of a loudspeaker, the voice coil motor is called and has the characteristics of high frequency response and high precision, the main principle is that in a permanent magnetic field, the stretching position of a spring piece is controlled by changing the size of direct current of the motor coil, so as to drive the up-and-down movement, and the voice coil motor is adopted, the existing effect of high adjustment precision enables the focal position of the second sensor 5 and the first sensor 4 to be adjusted in an accurate position, so that the camera shooting is in the clearest state.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a two sensor mechanism of focusing which characterized in that: the device comprises a first sensor (4) and a second sensor (5), wherein the first sensor (4) and the second sensor (5) are used for receiving light rays and converting the light rays into electric signals;
an optical element for changing the optical path to the second sensor (5);
a carrier for carrying the first sensor (4) and/or the second sensor (5).
2. The dual sensor focusing mechanism of claim 1, wherein:
the optical element comprises a glass plate (7), and the glass plate (7) is positioned above the second sensor (5).
3. The dual sensor focusing mechanism of claim 1, wherein: the carrier comprises a first circuit board (1) and a second circuit board (2), the first sensor (4) is electrically connected with the first circuit board (1), the second sensor (5) is electrically connected with the second circuit board (2), and the second circuit board (2) is provided with an adjusting unit.
4. The dual sensor focusing mechanism of claim 1, wherein: the carrier is a complete circuit board III, the sensor I (4) and the sensor II (5) are arranged on the circuit board III, and the sensor I (4) and the sensor II (5) are electrically connected with the circuit board III.
5. The dual sensor focusing mechanism of claim 3, wherein: the circuit board I (1) and/or the circuit board II (2) are used for receiving the electric signals of the sensor I (4) and the sensor II (5) to perform image processing.
6. The dual sensor focusing mechanism of claim 4, wherein: and the third circuit board is used for receiving the electric signals of the first sensor (4) and the second sensor (5) to perform image processing.
7. The dual sensor focusing mechanism of claim 3, wherein: the adjusting unit comprises a motor (8), the output end of the motor (8) is connected with a circuit board II (2), a connecting rod (3) is connected to the motor (8), and the connecting rod (3) is connected to a circuit board I (1).
8. The dual sensor focusing mechanism of claim 7, wherein: the motor (8) is a voice coil motor, and the circuit board II (2) is electrically connected with the circuit board I (1) through a flat cable.
9. The dual sensor focusing mechanism of any one of claims 1-8, wherein: the optical element is provided with a fixing unit, the fixing unit comprises a clamping seat (6), a guide rod (9) is connected to the clamping seat (6), the guide rod (9) is connected with the second circuit board (2), and the clamping seat (6) is connected with the optical element.
10. An astronomical camera comprising the dual sensor focusing mechanism of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512744.3U CN215187029U (en) | 2021-07-05 | 2021-07-05 | Double-sensor focusing mechanism and astronomical camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121512744.3U CN215187029U (en) | 2021-07-05 | 2021-07-05 | Double-sensor focusing mechanism and astronomical camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215187029U true CN215187029U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121512744.3U Active CN215187029U (en) | 2021-07-05 | 2021-07-05 | Double-sensor focusing mechanism and astronomical camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215187029U (en) |
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2021
- 2021-07-05 CN CN202121512744.3U patent/CN215187029U/en active Active
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