CN212623341U - Quick reflector device based on flexible rod is connected - Google Patents
Quick reflector device based on flexible rod is connected Download PDFInfo
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- CN212623341U CN212623341U CN202021706232.6U CN202021706232U CN212623341U CN 212623341 U CN212623341 U CN 212623341U CN 202021706232 U CN202021706232 U CN 202021706232U CN 212623341 U CN212623341 U CN 212623341U
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- 230000008569 process Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
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Abstract
The utility model discloses a quick reflector device based on flexible rod connection, which comprises a shell, a reflector bracket, a flexible rod component, a reflector, a voice coil motor, a displacement measuring sensor, a driving circuit and a rear cover; the reflector is supported at the front end of the shell by the reflector bracket; the flexible rod assembly is fixed between the mirror support and the housing; the voice coil motor is fixed between the reflector bracket and the shell; the driving circuit is fixed at the rear end of the shell by the rear cover; one end of the displacement measuring sensor is fixed on the shell, a cable is led out of the other end of the displacement measuring sensor, penetrates out of the shell and is connected to the driving circuit. The effective utilization rate and the anti-vibration performance of the inner space of the flexible bearing type quick reflector structure can be improved, and the precision of the flexible bearing type quick reflector is further improved.
Description
Technical Field
The utility model relates to a photoelectric scanning trails technical field, in particular to quick speculum device based on flexible rod is connected.
Background
The fast reflector is a part working between a light source or a receiver and a target and used for adjusting and stabilizing the visual axis or the light beam pointing direction of an optical system, the deflection direction of the reflector is accurately controlled by adopting a voice coil motor so as to accurately control the deflection angle of the light beam, the fast reflector is used for realizing the fast adjustment of the 'deflection-inclination' azimuth angle of the reflector, and the fast reflector can be used for the visual axis stabilization or the scanning compensation in the field of photoelectricity and the like. The device has the advantages of compact structure, high response speed, high working bandwidth, high pointing accuracy and the like, is widely applied to the fields of astronomical telescopes, adaptive optics, image motion compensation, free space optical communication, precision tracking and the like, and becomes a key device for stabilizing light beams and correcting the propagation direction of the light beams in an optical system.
Conventional fast mirrors typically include four voice coil motors. Two voice coil motors are adopted to form a push-pull type pair in each rotating shaft direction, and smooth and uniform torque is provided for the reflecting mirror.
The flexible bearing structure of the quick reflector in the prior art is complex, the size is large, the inner space of the reflector device cannot be effectively utilized, and the quick reflector is easily affected by impact and vibration, so that the overall performance index of the device cannot be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick speculum device based on flexible pole is connected for solve above-mentioned at least one technical problem, it can improve the flexibility and bear the effective utilization and the anti-vibration performance of formula quick speculum structure inner space, further improves the flexibility and bears the precision of formula quick speculum.
The embodiment of the utility model is realized like this:
a quick reflector device based on flexible rod connection comprises a shell, a reflector bracket, a flexible rod assembly, a reflector, a voice coil motor, a displacement measuring sensor, a driving circuit and a rear cover.
The reflector is supported by the reflector support at the front end of the housing.
The flexible rod assembly is secured between the mirror support and the housing.
The voice coil motor is fixed between the reflector bracket and the housing.
The drive circuit is fixed at the rear end of the housing by the rear cover.
One end of the displacement measuring sensor is fixed on the shell, a cable is led out of the other end of the displacement measuring sensor, penetrates out of the shell and is connected to the driving circuit.
In the preferred embodiment of the present invention, the front end of the casing is provided with a casing front end base, and the rear end of the casing is provided with a casing rear end base.
The technical effects are as follows: the device is reasonable and compact in arrangement and convenient to install.
In the preferred embodiment of the present invention, the flexible rod assembly of the fast mirror device based on flexible rod connection comprises a flexible rod rotation axis and a flexible rod axle seat.
The flexible rod shaft seat is fixed at the rear end of the reflector bracket.
One end of the flexible rod rotating shaft is fixed in the flexible rod shaft seat, and the other end of the flexible rod rotating shaft extends out.
The technical effects are as follows: the assembly is small in size, and impact vibration resistance is achieved.
The utility model discloses in the embodiment of the preferred, above-mentioned quick speculum device based on flexible rod is connected voice coil motor includes coil and magnetic cylinder, the coil is fixed the rear end of speculum support, the magnetic cylinder corresponds the coil is fixed in the recess of casing front end base, be provided with the permanent magnet in the magnetic cylinder.
The technical effects are as follows: the position of the mirror is precisely controlled.
In the preferred embodiment of the present invention, there are four voice coil motors of the above fast mirror device based on flexible rod connection.
And the coil of each voice coil motor is fixed at the rear end of the reflector bracket.
And each magnetic cylinder is respectively fixed in the groove of the front end base of the shell corresponding to each coil.
The technical effects are as follows: the voice coil motor is convenient to install.
In the preferred embodiment of the present invention, the front end of the rear cover of the above-mentioned fast reflector device based on flexible rod connection is provided with a rear cover base for fixing the driving circuit.
The technical effects are as follows: the setting is reasonable and compact, and the fixing of the driving circuit is convenient.
In the preferred embodiment of the present invention, the above-mentioned quick reflector device based on flexible rod connection one end of the displacement measuring sensor is fixed on the casing front end base, and the cable is drawn out from the other end, and the cable is worn out from the casing rear end base and connected to the driving circuit.
The technical effects are as follows: effectively prevent cable messy and damage.
In the preferred embodiment of the present invention, the number of the displacement measuring sensors is four, and the displacement measuring sensors are respectively disposed at intervals between the magnetic cylinders.
The technical effects are as follows: the position of the mirror is monitored in real time.
In the preferred embodiment of the present invention, the displacement measuring sensor is an eddy current sensor, and the fast reflector device is based on flexible rod connection.
The technical effects are as follows: the eddy current sensor receives the signal of the position of the reflector and feeds the signal back to the control system, and the control system sends a signal to the voice coil motor to realize the fine adjustment of the position of the reflector.
In a preferred embodiment of the present invention, the housing of the above-mentioned fast reflector device based on flexible rod connection is provided with a lug.
The number of the lugs is four, and the lugs are respectively arranged between the magnetic cylinders.
Each of the lugs projects outwardly from the housing.
The embodiment of the utility model provides a beneficial effect is:
the utility model provides a quick reflector based on flexible rod connection, which adopts a flexible rod as a structure in direct contact with a reflector bracket, and is used for restricting the degree of freedom of the quick reflector, simplifying a flexible bearing structure and improving the anti-vibration performance;
the flexible rod rotating shaft is positioned in a tail hole at the end of the flexible rod shaft base connecting support, so that the gap between the rapid reflector and the rapid reflector support in the motion process is reduced, and the deflection position of the reflector is roughly adjusted;
the eddy current sensor receives a signal of the position of the reflector and feeds the signal back to the control system, and the control system sends a signal to the voice coil motor to realize the fine adjustment of the position of the reflector;
the voice coil motor directly pushes the reflector bracket, so that the size of the rapid reflector system is reduced, and the overall structure is more compact.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic diagram of an explosion structure of a fast reflector device based on flexible rod connection according to the present invention;
fig. 2 is the utility model discloses a rotatory sketch map of quick reflector device explosion structure based on flexible rod is connected.
In the figure: 1-a mirror; 2-mirror support; 3-a coil; 4-a displacement measuring sensor; 5-magnetic cylinder; 6-a flexible rod assembly; 7-a lug; 8-housing front end base; 9-a housing; 10-a drive circuit; 11-rear cover; 12-a rear cover base; 13-housing rear end base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1 to 2, an embodiment of the present invention provides a fast reflector device based on flexible rod connection, including a housing 9, a reflector bracket 2, a flexible rod assembly 6, a reflector 1, a voice coil motor, a displacement measuring sensor 4, a driving circuit 10, and a rear cover 11.
The mirror 1 is supported by the mirror holder 2 at the front end of the housing 9.
The reflector 1 is two inches in diameter.
The reflector 1 is connected with the reflector bracket 2 by gluing or arranging a reflector clamping piece.
The flexible rod assembly 6 is fixed between the mirror support 2 and the housing 9.
The voice coil motor is fixed between the mirror support 2 and the housing 9.
The drive circuit 10 is fixed to the rear end of the housing 9 by the rear cover 11.
One end of the displacement measuring sensor 4 is fixed on the shell 9, and the other end of the displacement measuring sensor leads out a cable which penetrates out of the shell 9 and is connected to the driving circuit 10.
In the preferred embodiment of the present invention, the front end of the housing 9 of the above-mentioned fast reflector device based on flexible rod connection is provided with a housing front end base 8, and the rear end is provided with a housing rear end base 13.
The technical effects are as follows: the device is reasonable and compact in arrangement and convenient to install.
In the preferred embodiment of the present invention, the flexible rod assembly 6 of the above-mentioned fast mirror device based on flexible rod connection comprises a flexible rod rotation axis and a flexible rod axle seat.
The flexible rod shaft seat is fixed at the rear end of the reflector bracket 2.
One end of the flexible rod rotating shaft is fixed in the flexible rod shaft seat, and the other end of the flexible rod rotating shaft extends out.
The technical effects are as follows: the assembly is small in size, and impact vibration resistance is achieved.
In the preferred embodiment of the present invention, the above-mentioned fast reflector device based on flexible rod connection the voice coil motor includes coil 3 and magnetic cylinder 5, coil 3 is fixed the rear end of reflector bracket 2, magnetic cylinder 5 corresponds coil 3 is fixed in the recess of casing front end base 8, be provided with the permanent magnet in the magnetic cylinder 5.
The technical effects are as follows: the position of the mirror 1 is precisely controlled.
In the preferred embodiment of the present invention, there are four voice coil motors of the above fast mirror device based on flexible rod connection.
The coil 3 of each voice coil motor is fixed at the rear end of the mirror bracket 2.
The four coils 3 are distributed at the rear end of the reflector holder 2 along the X-Y axis.
Each magnetic cylinder 5 is fixed in a groove of the shell front end base 8 corresponding to each coil 3.
The technical effects are as follows: the voice coil motor is convenient to install.
In the preferred embodiment of the present invention, the front end of the rear cover of the above-mentioned fast reflector device based on flexible rod connection is provided with a rear cover base 12 for fixing the driving circuit 10.
The technical effects are as follows: the arrangement is reasonable and compact, and the drive circuit 10 is convenient to fix.
In the preferred embodiment of the present invention, the above-mentioned quick mirror device based on flexible rod connection one end of the displacement measuring sensor 4 is fixed on the casing front end base 8, and the cable is drawn out from the other end, and the cable is worn out the casing rear end base 13 and connected to the driving circuit 10.
The technical effects are as follows: effectively prevent cable messy and damage.
In the preferred embodiment of the present invention, there are four displacement measuring sensors 4, each of which is disposed at an interval between the magnetic cylinders 5, of the above-mentioned fast reflector device based on flexible rod connection.
The four displacement measuring sensors 4 are symmetrically distributed by taking the central shaft of the quick reflector device as a center.
The technical effects are as follows: the position of the mirror 1 is monitored in real time.
In the preferred embodiment of the present invention, the displacement measuring sensor 4 is an eddy current sensor based on the flexible rod-connected fast reflector device.
When the fast reflecting mirror support 2 works, the eddy current sensor measures the distance from the measuring head to the fast reflecting mirror support 2 component in real time through the eddy current effect principle, so that the rotating angle of the fast reflecting mirror 1 is judged, and the result is fed back to the controller for real-time feedback control.
The technical effects are as follows: the eddy current sensor receives the signal of the position of the reflector 1 and feeds the signal back to the control system, and the control system sends a signal to the voice coil motor to realize the fine adjustment of the position of the reflector 1.
In the preferred embodiment of the present invention, the housing 9 of the above-mentioned fast reflector device based on flexible rod connection is provided with a lug 7.
Four of the lugs 7 are respectively arranged between the magnetic cylinders 5.
Each of the lugs 7 projects outwardly from the housing.
The embodiment of the utility model provides a aim at protecting a quick mirror device based on flexible rod is connected, possess following effect:
1. the flexible rod is used as a structure which is in direct contact with the reflector bracket and is used for restraining the degree of freedom of the rapid reflector, simplifying a flexible bearing structure and improving the anti-vibration performance.
2. The flexible rod rotating shaft is positioned in a tail hole at the end of the flexible rod shaft base connecting support, so that the gap between the rapid reflector and the rapid reflector support in the motion process is reduced, and the deflection position of the reflector is roughly adjusted.
3. The eddy current sensor receives the signal of the position of the reflector and feeds the signal back to the control system, and the control system sends a signal to the voice coil motor to realize the fine adjustment of the position of the reflector.
4. The voice coil motor directly pushes the reflector bracket, so that the size of the rapid reflector system is reduced, and the overall structure is more compact.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A fast reflector device based on flexible rod connection is characterized by comprising a shell, a reflector bracket, a flexible rod assembly, a reflector, a voice coil motor, a displacement measurement sensor, a driving circuit and a rear cover;
the reflector is supported at the front end of the shell by the reflector bracket;
the flexible rod assembly is fixed between the mirror support and the housing;
the voice coil motor is fixed between the reflector bracket and the shell;
the driving circuit is fixed at the rear end of the shell by the rear cover;
one end of the displacement measuring sensor is fixed on the shell, a cable is led out of the other end of the displacement measuring sensor, penetrates out of the shell and is connected to the driving circuit.
2. The flexible rod connection-based quick mirror device of claim 1, wherein the housing is provided with a housing front end base at a front end and a housing rear end base at a rear end.
3. The flexible rod connection-based quick mirror device of claim 1, wherein the flexible rod assembly comprises a flexible rod rotation shaft and a flexible rod axle seat;
the flexible rod shaft seat is fixed at the rear end of the reflector bracket;
one end of the flexible rod rotating shaft is fixed in the flexible rod shaft seat, and the other end of the flexible rod rotating shaft extends out.
4. The fast mirror device based on flexible rod connection of claim 2, wherein the voice coil motor comprises a coil and a magnetic cylinder, the coil is fixed at the rear end of the mirror support, the magnetic cylinder is fixed in a groove of the base at the front end of the housing corresponding to the coil, and a permanent magnet is arranged in the magnetic cylinder.
5. The flexible rod connection-based fast mirror device of claim 4, wherein there are four voice coil motors;
the coil of each voice coil motor is fixed at the rear end of the reflector bracket;
and each magnetic cylinder is respectively fixed in the groove of the front end base of the shell corresponding to each coil.
6. The fast mirror device based on flexible rod connection as claimed in claim 1, wherein a rear cover base is provided at a front end of the rear cover for fixing the driving circuit.
7. The flexible rod connection-based quick mirror device of claim 5, wherein one end of the displacement measuring sensor is fixed on the housing front end base, and the other end of the displacement measuring sensor leads out a cable which passes through the housing rear end base and is connected to the driving circuit.
8. The flexible rod connection-based quick mirror device of claim 7, wherein four displacement measuring sensors are provided, and are respectively provided at intervals between each of the magnetic cylinders.
9. The flexible rod connection-based fast mirror device of claim 1, wherein the displacement measuring sensor is an eddy current sensor.
10. The flexible rod connection-based quick mirror device of claim 5, wherein a lug is provided on the housing;
four lugs are arranged between the magnetic cylinders respectively;
each of the lugs projects outwardly from the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706232.6U CN212623341U (en) | 2020-08-17 | 2020-08-17 | Quick reflector device based on flexible rod is connected |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021706232.6U CN212623341U (en) | 2020-08-17 | 2020-08-17 | Quick reflector device based on flexible rod is connected |
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| CN212623341U true CN212623341U (en) | 2021-02-26 |
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| CN202021706232.6U Active CN212623341U (en) | 2020-08-17 | 2020-08-17 | Quick reflector device based on flexible rod is connected |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115097624A (en) * | 2022-08-26 | 2022-09-23 | 北京瑞控信科技股份有限公司 | Flexible support galvanometer based on overhead type moving coil |
| CN116626882A (en) * | 2023-07-25 | 2023-08-22 | 长春萨米特光电科技有限公司 | Small-size high stability mirror device that shakes |
| CN116909013A (en) * | 2023-09-05 | 2023-10-20 | 北京瑞控信科技股份有限公司 | Hollow quick reflector |
-
2020
- 2020-08-17 CN CN202021706232.6U patent/CN212623341U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115097624A (en) * | 2022-08-26 | 2022-09-23 | 北京瑞控信科技股份有限公司 | Flexible support galvanometer based on overhead type moving coil |
| CN115097624B (en) * | 2022-08-26 | 2023-01-31 | 北京瑞控信科技股份有限公司 | Flexible support galvanometer based on overhead type moving coil |
| CN116626882A (en) * | 2023-07-25 | 2023-08-22 | 长春萨米特光电科技有限公司 | Small-size high stability mirror device that shakes |
| CN116626882B (en) * | 2023-07-25 | 2023-10-10 | 长春萨米特光电科技有限公司 | Small-size high stability mirror device that shakes |
| CN116909013A (en) * | 2023-09-05 | 2023-10-20 | 北京瑞控信科技股份有限公司 | Hollow quick reflector |
| CN116909013B (en) * | 2023-09-05 | 2023-12-29 | 北京瑞控信科技股份有限公司 | Hollow quick reflector |
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Address after: 100085 1006, 1st floor, lin831-nei1, Changping Road, Anning North Road, Haidian District, Beijing Patentee after: Beijing ruikongxin Technology Co.,Ltd. Address before: 100096 1001, 1st floor, building 13, 801 Changlin, Xisanqi, Haidian District, Beijing Patentee before: BEIJING RUIKONGXIN TECHNOLOGY Co.,Ltd. |
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Address after: Building 1, 3rd Floor, Hefei Luyang Big Data Industrial Park, No. 868 Qinghe Road, Luyang District, Hefei City, Anhui Province, 230041 Patentee after: Anhui Ruikongxin Optoelectronic Technology Co.,Ltd. Country or region after: China Address before: 100085 1006, 1st floor, lin831-nei1, Changping Road, Anning North Road, Haidian District, Beijing Patentee before: Beijing ruikongxin Technology Co.,Ltd. Country or region before: China |
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