CN111735481B - Synchronous and rapid switching control system and control method for multipath optical switch - Google Patents
Synchronous and rapid switching control system and control method for multipath optical switch Download PDFInfo
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- CN111735481B CN111735481B CN202010683056.7A CN202010683056A CN111735481B CN 111735481 B CN111735481 B CN 111735481B CN 202010683056 A CN202010683056 A CN 202010683056A CN 111735481 B CN111735481 B CN 111735481B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 170
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims abstract description 78
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 9
- 230000004044 response Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
- G01D5/30—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
- G01D5/305—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells controlling the movement of a following part
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
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- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention discloses a synchronous and rapid switching control system of a multi-path optical switch and a control method thereof, wherein the synchronous and rapid switching control system of the multi-path optical switch comprises a multi-axis motion controller, a plurality of optical switches, an opening position sensor and a closing position sensor which are arranged on each optical switch, each optical switch comprises a driving motor and a baffle connected to the transmission shaft of the driving motor, wherein the baffle is used for blocking laser beams, and the driving motor of each optical switch, an opening position sensor and a closing position sensor on each optical switch are connected with the multi-axis motion controller. The invention adopts the micro-driving motor as the moving main body of the optical switch baffle, and is provided with a position sensor at each of the opening position and the closing position of each optical switch, and adopts the high-speed multi-axis motion controller to precisely control the moving distance of each path of optical switch by high-speed pulse, so that the multi-path optical switch has the characteristics of quick response, precise positioning and high synchronism.
Description
Technical Field
The invention relates to the field of optical detection, in particular to a synchronous and rapid switching control system and a control method for a multi-path optical switch.
Background
With the development of optical detection technology, the optical paths in optical design are more and more complex, the number of optical path switches is more and more, and the response performance of the optical switches is also required to be higher. An optical switch control system is designed for synchronously controlling a plurality of optical switches, and an optical switch taking a micro motor as a main body is designed, so that the movement requirement of the control system can be responded quickly, and the optical switch can be positioned accurately.
The existing optical path switch has the defects that an electromagnet is adopted as an optical switch in a considerable part of the existing optical path application, the response time is long, and the service life is limited, so that in a system for rapidly switching an optical path, the electromagnet cannot meet the time response requirement in the system.
The existing optical path switch control system has the defects that the optical switch control mode of the electromagnet is simpler, the optical switch is controlled to be switched through the general input/output circuit, and the real-time state of the optical switch in the moving process cannot be monitored.
Disclosure of Invention
The invention aims to solve the technical problem of providing a synchronous and rapid switching control system and a control method for a multi-path optical switch, so that the multi-path optical switch has the characteristics of quick response, accurate positioning and high synchronism.
The technical scheme of the invention is as follows:
The utility model provides a synchronous quick switch control system of multichannel optical switch, includes multiaxis motion controller, a plurality of optical switch and sets up the position sensor on every optical switch, every optical switch on all be provided with two position sensor, two position sensor are open position sensor and close position sensor respectively, every optical switch all including driving motor and connect the separation blade on the driving motor transmission shaft, the separation blade be used for blocking laser beam, every optical switch's driving motor, every optical switch on open position sensor and close position sensor and all be connected with multiaxis motion controller.
The light switch is characterized in that the opening position sensor and the closing position sensor are U-shaped photoelectric sensors, when the baffle of the light switch is positioned at the opening position, the baffle part of the light switch stretches into the U-shaped groove of the opening position sensor, the opening position sensor senses a baffle signal, and when the baffle of the light switch is positioned at the closing position, the baffle part of the light switch stretches into the U-shaped groove of the closing position sensor, and the closing position sensor senses the baffle signal.
The control end of each optical switch driving motor is respectively connected with the pulse control pin corresponding to the multi-axis motion controller.
The signal output ends of the opening position sensor and the closing position sensor of each optical switch are integrated on the corresponding optical switch, and the signal output ends of the opening position sensor and the closing position sensor of each optical switch are respectively connected with the position feedback pins corresponding to the multi-axis motion controller.
The driving motor of each optical switch is a miniature stepping motor.
A control method of a synchronous and rapid switching control system of a multipath optical switch specifically comprises the following steps:
(1) When the multi-axis motion controller receives an opening instruction of one of the optical switches, the multi-axis motion controller firstly judges whether the associated optical switch is closed according to an output signal of the closing position sensor, and when all the associated optical switches are closed, the multi-axis motion controller sends a pulse control signal to a driving motor of the optical switch currently receiving the opening instruction, and the driving motor drives the baffle to rotate so that the optical switch is opened;
(2) When the associated optical switches are not all closed, the multi-axis motion controller judges whether other optical switches are in motion according to the sent pulse control signals, when the other optical switches are in motion, the multi-axis motion controller judges whether pulse control instructions of the associated optical switches are in motion according to the sent pulse control signals to finish a half of strokes, when the associated optical switches are in motion to finish the half of strokes, the multi-axis motion controller sends the pulse control signals to a driving motor of the optical switch which currently receives the opening command, and the driving motor drives a baffle to rotate so that the optical switch is opened;
(3) When the associated optical switches are not all closed, the multi-axis motion controller judges whether the associated optical switches are in motion according to the sent pulse control signals, and when the associated optical switches are in a static state, the multi-axis motion controller does not send the pulse control signals to the driving motor of the optical switch currently receiving the opening command, and the optical switch is kept in the closed state;
(4) When the associated optical switch is not closed, the multi-axis motion controller judges whether the associated optical switch is in motion according to the sent pulse control signal, when the associated optical switch is judged to be in motion, the multi-axis motion controller judges whether pulse control instructions of other optical switches are in motion according to the sent pulse control signal to complete a half stroke, when the pulse control instruction of any one of the associated optical switches is not in motion to complete the half stroke, the multi-axis motion controller does not send the pulse control signal to a driving motor of the optical switch currently receiving the opening command, and the optical switch is kept in the closed state;
(5) And (3) circularly executing the steps (1) - (4) until the optical switch receiving the opening command is completely opened.
The invention has the advantages that:
(1) The miniature motor is adopted as a moving main body of the optical switch baffle, the baffle is driven by the driving shaft to move rapidly, and no noise is generated in the moving process;
(2) The multi-axis motion controller is used for driving the high-speed rotation of the plurality of micro motors, the motion distance of each path of optical switch is precisely controlled by high-speed pulse, and the position information of each optical switch baffle is monitored in real time, so that synchronous and rapid motion among multiple paths of optical switches is realized;
(3) The photoelectric sensor is adopted to monitor the two state positions of the optical switch, so that the action completion degree of the optical switch can be further confirmed;
(4) The invention adopts the multiaxial motion controller to monitor the position information of each optical switch in real time, and can open and close each optical switch in advance without waiting for the next action after the optical switch is completely opened and closed, thereby greatly shortening the waiting time of the optical switch operation of the whole system.
Drawings
Fig. 1 is a schematic structural diagram of a synchronous fast switching control system for a multi-path optical switch according to the present invention.
FIG. 2 is a control circuit diagram of a synchronous and fast switching control system of a multi-path optical switch, wherein A1 is a multi-axis motion controller, MOTOR 1-MOTORn are driving interfaces of micro stepping MOTORs, REF 0-REFn are interfaces of each optical switch on position Sensor and off position Sensor, shuuter-Shuttern are optical switches numbered 1-n in the system, stepper is a micro stepping MOTOR of the optical switch, BK is a baffle, and Sensor is a U-shaped photoelectric Sensor.
Fig. 3 is a flow chart of a control method of the synchronous fast switching control system of the multi-path optical switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and fig. 2, a synchronous fast switching control system of multiple optical switches includes a multi-axis motion controller A1, multiple optical switches, and position sensors disposed on each optical switch, each optical switch is integrated with two position sensors, the two position sensors are an on position sensor and an off position sensor, each optical switch includes a micro stepping motor Stepper and a baffle plate BK connected to a transmission shaft of the micro stepping motor, the baffle plate BK is used for blocking laser beams, a control end of each optical switch micro stepping motor Stepper is connected with a pulse control pin corresponding to the multi-axis motion controller A1, and a signal output end of each optical switch on position sensor and a signal output end of each optical switch off position sensor are connected with a position feedback pin corresponding to the multi-axis motion controller A1.
The opening position Sensor and the closing position Sensor are both U-shaped photoelectric Sensor sensors, when the blocking piece BK of the optical switch is positioned at the opening position, the blocking piece BK part of the optical switch stretches into the U-shaped groove of the opening position Sensor, the opening position Sensor senses the blocking piece signal, and when the blocking piece BK of the optical switch is positioned at the closing position, the blocking piece BK part of the optical switch stretches into the U-shaped groove of the closing position Sensor, and the closing position Sensor senses the blocking piece signal.
Referring to fig. 3, a control method of a synchronous fast switching control system of a multi-path optical switch specifically includes the following steps:
(1) When the multi-axis motion controller receives an opening instruction of one of the optical switches, the multi-axis motion controller firstly judges whether the associated optical switch is closed according to an output signal of the closing position sensor, and when all the associated optical switches are closed, the multi-axis motion controller sends a pulse control signal to a driving motor of the optical switch currently receiving the opening instruction, and the driving motor drives the baffle to rotate so that the optical switch is opened;
(2) When the associated optical switches are not all closed, the multi-axis motion controller judges whether other optical switches are in motion according to the sent pulse control signals, when the other optical switches are in motion, the multi-axis motion controller judges whether pulse control instructions of the associated optical switches are in motion according to the sent pulse control signals to finish a half of strokes, when the associated optical switches are in motion to finish the half of strokes, the multi-axis motion controller sends the pulse control signals to a driving motor of the optical switch which currently receives the opening command, and the driving motor drives a baffle to rotate so that the optical switch is opened;
(3) When the associated optical switches are not all closed, the multi-axis motion controller judges whether the associated optical switches are in motion according to the sent pulse control signals, and when the associated optical switches are in a static state, the multi-axis motion controller does not send the pulse control signals to the driving motor of the optical switch currently receiving the opening command, and the optical switch is kept in the closed state;
(4) When the associated optical switch is not closed, the multi-axis motion controller judges whether the associated optical switch is in motion according to the sent pulse control signal, when the associated optical switch is judged to be in motion, the multi-axis motion controller judges whether pulse control instructions of other optical switches are in motion according to the sent pulse control signal to complete a half stroke, when the pulse control instruction of any one of the associated optical switches is not in motion to complete the half stroke, the multi-axis motion controller does not send the pulse control signal to a driving motor of the optical switch currently receiving the opening command, and the optical switch is kept in the closed state;
(5) And (3) circularly executing the steps (1) - (4) until the optical switch receiving the opening command is completely opened.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
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| CN202010683056.7A CN111735481B (en) | 2020-07-15 | 2020-07-15 | Synchronous and rapid switching control system and control method for multipath optical switch |
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| CN202010683056.7A CN111735481B (en) | 2020-07-15 | 2020-07-15 | Synchronous and rapid switching control system and control method for multipath optical switch |
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| CN112821821B (en) * | 2020-12-29 | 2022-05-13 | 杭州微伽量子科技有限公司 | Light source device and light path switch thereof |
| CN112787557B (en) * | 2020-12-29 | 2022-05-10 | 杭州微伽量子科技有限公司 | Driving method and system of stepping motor and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN212482506U (en) * | 2020-07-15 | 2021-02-05 | 合肥知常光电科技有限公司 | Synchronous fast switching control system of multichannel photoswitch |
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| JPH088027B2 (en) * | 1988-12-29 | 1996-01-29 | 富士電機株式会社 | Optical switch |
| US5842057A (en) * | 1996-01-26 | 1998-11-24 | Asahi Kogaki Kogo Kabushiki Kaisha | Camera with lens barrier apparatus |
| CN1727929A (en) * | 2004-07-28 | 2006-02-01 | 长春华信光电子有限公司 | Micro miniature self locking type 1X2 mechanical optical switch |
| JP2007147833A (en) * | 2005-11-25 | 2007-06-14 | Okayama Prefecture | Optical switching device and image display device using optical switching device |
| CN100385278C (en) * | 2006-05-30 | 2008-04-30 | 浙江大学 | 3×3 Multimode Interferometric Optical Switch Controlled by Single Modulation Area |
| KR101809864B1 (en) * | 2014-06-11 | 2017-12-15 | 미쓰비시덴키 가부시키가이샤 | Elevator door control device |
| CN110146493B (en) * | 2018-02-11 | 2024-09-27 | 科美诊断技术(苏州)有限公司 | Light path detection system and light excitation chemiluminescence detector with same |
| CN209167684U (en) * | 2018-12-17 | 2019-07-26 | 深圳纤亿通科技有限公司 | A kind of mechanical optical switch |
| CN110488485B (en) * | 2019-07-16 | 2020-08-04 | 哈尔滨新光光电科技股份有限公司 | Two-dimensional coupling optical swing mirror device based on steel belt transmission |
| CN110868651B (en) * | 2019-12-23 | 2024-04-05 | 中国电子科技集团公司第三十四研究所 | An all-optical switching device |
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| CN212482506U (en) * | 2020-07-15 | 2021-02-05 | 合肥知常光电科技有限公司 | Synchronous fast switching control system of multichannel photoswitch |
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