CN107390574A - A kind of controllable mechanical shutter light-baffling device - Google Patents
A kind of controllable mechanical shutter light-baffling device Download PDFInfo
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- CN107390574A CN107390574A CN201710545327.0A CN201710545327A CN107390574A CN 107390574 A CN107390574 A CN 107390574A CN 201710545327 A CN201710545327 A CN 201710545327A CN 107390574 A CN107390574 A CN 107390574A
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- 230000003321 amplification Effects 0.000 claims abstract description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 27
- 230000009466 transformation Effects 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 12
- 230000004044 response Effects 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Control Of Stepping Motors (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Exposure Control For Cameras (AREA)
Abstract
A kind of controllable mechanical shutter light-baffling device, including single-chip microcomputer, drive circuit, stepper motor, single-chip microcomputer receive signal caused by external signal generator, after the processing of burning program, input driving circuit.Drive circuit realizes the amplification and processing of signal, and encourages stepper motor.Stepper motor receives actuation drive signals, and controls the level height of different stators in stepper motor to realize the speed change rotating of shield bars.The present invention controls rotating and reverse for stepper motor by single-chip microcomputer, realizes the speed change of shield bars with controllable, so as to solve the problems such as mechanical shutter low-response, overshoot is big, uncontrollable, is finally reached the controllable effect being in the light.The system has the characteristics of velocity of rotation, angle and direction are controllable, and has the advantages that with small vibration, the response time is short, the turn-off time is fast, cost is cheap, can meet the requirement of cold atom experiment.
Description
Technical field
The present invention relates to fields such as laser beam control, detecting techniques, especially suitable for needing the controllable reality being in the light
Check system.
Technical background
Applied to the mechanical shutter in cold atom interference-type gravimeter, generally require and possess low-vibration noise, turn-off speed
Controllable, long lifespan, the features such as response time is short, cost is cheap.Mechanical shutter most expensive, life-span used in now is not
It is long, and the uncontrollable time speed and vibration noise being in the light, therefore the present invention can meet the requirement of cold atom experiment.
The content of the invention
The invention aims to overcome existing machinery shutter to be in the light the disadvantages mentioned above of technology, there is provided a response time
Mechanical shutter baffle system short, the shut-in time is fast and cost is more controllable than the less expensive speed change for atomic interferometer.
In order to realize this purpose, technical scheme is as follows：
A kind of controllable mechanical shutter light-baffling device, it is characterised in that：Including single-chip microcomputer 1, drive circuit 2, stepper motor
3, the input connection external signal generator of single-chip microcomputer 1, the input of the output end connection drive circuit 2 of single-chip microcomputer, monolithic
Machine 1 is by the signal input unit S1 of input driving circuit 2 after signal transacting caused by external signal generator；Drive circuit 2 wraps
Include the signal input unit S1 being sequentially connected, logic conversion unit S2, driver element S3, signal output unit S4, logical transition
Cell S 2 carries out signal transformation, and driver element S3 carries out the drive amplification of signal, signal output unit S4 connections stepper motor 3
Input；The shield bars 4 as mechanical shutter are pasted with the output shaft of stepper motor 3；It is also equipped with adjusting on the shell of motor 3
Piece 5, shield bars 4 rely on trimmer 5 to adjust the height of shield bars 4 and angle.
Drive circuit 2 includes signal input unit S1, logic conversion unit S2, driver element S3, signal output unit S4.
In signal input unit S1, the output end of connector J1 connections single-chip microcomputer 1, the treated signal of single-chip microcomputer 1, connector are received
No. 1 pin of J1 No. 1 pin and signal amplification chip U2 in NAND gate transformation chip U1 No. 2 pins and driver element S3
It is connected, connector J1 No. 2 pins and signal amplification chip in NAND gate transformation chip U1 No. 4 pins and driver element S3
U2 No. 4 pins are connected, connector J1 No. 3 pins ground connection.Logic conversion unit S2 includes one and is used for NAND gate transformation core
Piece U1, NAND gate transformation chip U1 No. 1, No. 5 and No. 8 pin are connected with positive source, and No. 7 of NAND gate transformation chip U1 are drawn
Pin is connected to the ground, No. 3 of NAND gate transformation chip U1, No. 6 pins respectively with signal amplification chip U2 in driver element S3 2,3
Number pin is connected, and driver element S3 is used for signal amplification chip U2, signal amplification chip U2 No. 5 pins and ground phase comprising one
Even, No. 6 pins are connected with positive source, and an electric capacity C is accessed between No. 5 and No. 6 pins, and electric capacity C plays filter action.Signal
10,9,8, No. 7 pins of amplification chip U2 chips respectively with signal output unit S4 access motor pin connector 2,
3rd, 4,5 pins are connected, and connector S No. 1 pin is connected with positive source in signal output unit S4, external one of connector P1
Power supply, wherein No. 1 pin access board power, No. 2 pins access the voltage of+6~+12V to motor power supply, No. 3 pins
Ground connection.The input signal in signal input unit S1, the change of signal is carried out by the NAND gate structure in logic conversion unit S2
More, then by the signal amplification module in driver element S3 the amplification of signal is carried out, the signal after finally amplifying is defeated by signal
The connector S gone out in cell S 4 is exported to stepper motor, and then the rotating forward reversion of controlled motor and the speed rotated.
Control program is preset with single-chip microcomputer, computer can change outside input after control routine burning is entered into single-chip microcomputer
Signal, control program definition rotate forward code 0x08 and reversion code 0x04, respectively the different stators of controlled motor be powered with
Rotor is attracted to rotate.Described program defines time delay to prevent that motor rotation frequency is excessive.Described program utilizes code structure
Change, and coordinate input single-chip microcomputer signal frequency change, different frequency, the output signal of different low and high levels can be formed,
So as to which controlled motor carries out the rotation of different rotating speeds, different amplitudes and different directions.
It is an advantage of the invention that：The mechanical shutter that can be applied in cold atom interference-type gravimeter, vibration noise is low, shut-off
Speed is controllable, long lifespan, the response time is short, cost is cheap.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram of the present invention.
Fig. 2 is the electric motor units structural representation of the present invention.
Fig. 3 is the circuit unit structural representation of the present invention.
Embodiment
Technical scheme is further illustrated below in conjunction with the accompanying drawings.
As described above, it is an object of the invention to provide the machinery that can be applied in cold atom interference-type gravimeter is fast
Door.The present invention forms different low and high levels using the change of single-chip microcomputer code and external signal frequency, inputs stepper motor
The magnetic for changing stator afterwards attracts the rotation of different rotor, so as to controlled motor different velocity of rotation and rotation direction.
A kind of controllable mechanical shutter light-baffling device, it is characterised in that：Including single-chip microcomputer 1, drive circuit 2, stepper motor
3, the input connection external signal generator of single-chip microcomputer 1, the input of the output end connection drive circuit 2 of single-chip microcomputer, monolithic
Machine 1 is by the signal input unit S1 of input driving circuit 2 after signal transacting caused by external signal generator；Drive circuit 2 wraps
Include the signal input unit S1 being sequentially connected, logic conversion unit S2, driver element S3, signal output unit S4, logical transition
Cell S 2 carries out signal transformation, and driver element S3 carries out the drive amplification of signal, signal output unit S4 connections stepper motor 3
Input；The shield bars 4 as mechanical shutter are pasted with the output shaft of stepper motor 3；It is also equipped with adjusting on the shell of motor 3
Piece 5, shield bars 4 rely on trimmer 5 to adjust the height of shield bars 4 and angle.
Accompanying drawing 1 shows the apparatus structure schematic diagram of the present invention, and the present invention is applied in cold atom interference-type gravimeter
The system that laser is in the light, a kind of controllable mechanical shutter light-baffling device, including single-chip microcomputer, drive circuit, motor, by external signal
For signal caused by generator after the processing of single chip control unit 1, the signal input being first input into drive circuit unit is single
First S1, then amplification is driven via driver element S3 is input to after one signal transformation of logic conversion unit S2 progress, finally
The rotation of the different stator magnetic attraction rotor of the controlled motor of stepper motor 3 is output to by signal output unit S4, it is last real
The now rotation of the friction speed of shield bars 4, different angle and different directions, have also been devised trimmer 5 in electric motor units, use
To adjust the height and angle of shield bars 4 in motor.
Accompanying drawing 2 shows the structural representation of electric motor units, and electric motor units are by stepper motor 3, shield bars 4 and trimmer 5
Composition.The stepper motor 3 can add low and high level to control the magnets of stator magnetic in it in its pin, and then control stepping
The direction of rotation of motor and angle.The stepper motor is made up of main shaft, fixation with support, some wires, wherein main shaft
On motor surface, Pasting shield bars.The shield bars 4 can be the rectangle length that the cuttings such as stalloy, hardboard, copper bar form
Bar, Pasting is on motor main shaft.The integral inclined angle of stepper motor can be adjusted for the trimmer 5, and it can be with
It is that stalloy cuts the rectangular slat formed.
Accompanying drawing 3 shows the structural representation of drive circuit 2, and drive circuit 2 is made up of four circuit units, including：Letter
Number input block S1, logic conversion unit S2, driver element S3, signal output unit S4.In signal input unit S1, patch
The output end of part J1 connections single-chip microcomputer 1, receives the treated signal of single-chip microcomputer 1, and connector J1 No. 1 pin and NAND gate change
Signal amplification chip U2 No. 1 pin is connected in chip U1 No. 2 pins and driver element S3, connector J1 No. 2 pins
It is connected with No. 4 pins of signal amplification chip U2 in NAND gate transformation chip U1 No. 4 pins and driver element S3, connector
J1 No. 3 pins ground connection.Logic conversion unit S2 includes one and is used for NAND gate transformation chip U1, NAND gate transformation chip U1's
No. 1, No. 5 and No. 8 pin is connected with positive source, and NAND gate transformation chip U1 No. 7 pins are connected to the ground, NAND gate transformation core
No. 3 of piece U1,2, No. 3 pins of No. 6 pins respectively with signal amplification chip U2 in driver element S3 be connected, driver element S3 bags
It is used for signal amplification chip U2 containing one, signal amplification chip U2 No. 5 pins are connected to the ground, No. 6 pins and positive source phase
Even, an electric capacity C is accessed between No. 5 and No. 6 pins, electric capacity C plays filter action.Signal amplification chip U2 chips 10,9,
8th, 2,3,4,5 pins of No. 7 pins respectively with the connector of access motor pin in signal output unit S4 are connected, signal output
Connector S No. 1 pin is connected with positive source in cell S 4, the external power supply of connector P1, wherein No. 1 pin access electricity
Road plate power supply, No. 2 pins access the voltage of+6~+12V to motor power supply, No. 3 pin ground connection.In signal input unit S1
Input signal, the letter alternation of signs is carried out by the NAND gate structure in logic conversion unit S2, then by driver element S3
Signal amplification module carries out the amplification of signal, and the signal after finally amplifying is exported by the connector S in signal output unit S4
The speed that rotating forward to stepper motor, and then controlled motor is inverted and rotated.
Single-chip microcomputer 1 receives signal caused by external signal generator, after the processing of burning program, input driving circuit
2.Drive circuit 2 realizes the amplification and processing of signal, and encourages stepper motor 3.Stepper motor 3 receives actuation drive signals, and
The level height of different stators is to realize the speed change rotating of shield bars in control stepper motor.The present invention is controlled by single-chip microcomputer 1
Stepper motor 3 processed rotates and reverse, and realizes the speed change of shield bars 4 with controllable, so as to solve mechanical shutter low-response, overshoot
Greatly, the problems such as uncontrollable, it is finally reached the controllable effect being in the light.The system has velocity of rotation, angle and direction controllable
The characteristics of, and have the advantages that with small vibration, the response time is short, the turn-off time is fast, cost is cheap, it can meet that cold atom is tested
Requirement.
The present invention presents the embodiment of the present invention using above-mentioned specific implementation case, in the present invention motor
Velocity of rotation, angle and the change in direction can all be obtained by changing the frequency of single-chip microcomputer control routine and external input signal
To realize, and the with small vibration of mechanical shutter devices, response time are fast, are applicable to the experiment of high-precision cold belted atomic vapor.
Claims (1)
- A kind of 1. controllable mechanical shutter light-baffling device, it is characterised in that：Including single-chip microcomputer (1), drive circuit (2), stepping electricity Machine (3), the input connection external signal generator of single-chip microcomputer (1), the output end connection drive circuit (2) of single-chip microcomputer (1) Input, single-chip microcomputer (1) is by the signal input unit of input driving circuit (2) after signal transacting caused by external signal generator S1；Drive circuit (2) include be sequentially connected signal input unit S1, logic conversion unit S2, driver element S3, signal output Cell S 4, logic conversion unit S2 carry out signal transformation, and driver element S3 carries out the drive amplification of signal, signal output unit S4 Connect the input of stepper motor (3)；The shield bars (4) as mechanical shutter are pasted with the output shaft of stepper motor (3)；Electricity Trimmer (5) is also equipped with the shell of machine (3), shield bars (4) rely on trimmer (5) to adjust the height of shield bars (4) and angle Degree；In signal input unit S1, the output end of connector J1 connections single-chip microcomputer 1, the treated signal of single-chip microcomputer 1 is received, is connect No. 1 of signal amplification chip U2 in plug-in unit J1 No. 1 pin and NAND gate transformation chip U1 No. 2 pins and driver element S3 Pin is connected, and connector J1 No. 2 pins amplify with signal in NAND gate transformation chip U1 No. 4 pins and driver element S3 Chip U2 No. 4 pins are connected, connector J1 No. 3 pins ground connection；Logic conversion unit S2 includes one and turned for NAND gate Becoming chip U1, NAND gate transformation chip U1 No. 1, No. 5 and No. 8 pin is connected with positive source, and the 7 of NAND gate transformation chip U1 Number pin is connected to the ground, No. 3 of NAND gate transformation chip U1, No. 6 pins respectively with signal amplification chip U2 in driver element S3 2, No. 3 pins be connected, driver element S3 is used for signal amplification chip U2, signal amplification chip U2 No. 5 pins comprising one It is connected to the ground, No. 6 pins are connected with positive source, and an electric capacity C is accessed between No. 5 and No. 6 pins, and electric capacity C plays filtering and made With；10,9,8, No. 7 pins of signal amplification chip U2 chips are respectively with accessing patching for motor pin in signal output unit S4 2,3,4,5 pins of part are connected, and connector S No. 1 pin is connected with positive source in signal output unit S4, outside connector P1 A power supply is connect, wherein No. 1 pin access board power, No. 2 pins access the voltage of+6~+12V to motor power supply, 3 Number pin ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545327.0A CN107390574B (en) | 2017-07-06 | 2017-07-06 | Controllable mechanical shutter light blocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545327.0A CN107390574B (en) | 2017-07-06 | 2017-07-06 | Controllable mechanical shutter light blocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107390574A true CN107390574A (en) | 2017-11-24 |
| CN107390574B CN107390574B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710545327.0A Active CN107390574B (en) | 2017-07-06 | 2017-07-06 | Controllable mechanical shutter light blocking device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269226B1 (en) * | 1993-08-10 | 2001-07-31 | Canon Kabushiki Kaisha | Shutter device of camera |
| CN101634792A (en) * | 2008-07-25 | 2010-01-27 | 中国科学院空间科学与应用研究中心 | Device and method for mechanically controlling exposure time |
| CN101686022A (en) * | 2008-09-24 | 2010-03-31 | 无锡华润矽科微电子有限公司 | Drive circuit of ultrasonic motor |
| CN102244738A (en) * | 2010-05-13 | 2011-11-16 | 中国科学院西安光学精密机械研究所 | Electric control method and system for curtain shutter |
| CN102540633A (en) * | 2011-12-27 | 2012-07-04 | 中国科学院长春光学精密机械与物理研究所 | Quick opening and retaining control system for electromagnetic mechanical shutter |
| CN103336405A (en) * | 2013-07-09 | 2013-10-02 | 中国科学院光电技术研究所 | Improved shutter time delay measuring system |
| CN106685274A (en) * | 2016-12-30 | 2017-05-17 | 天水七四九电子有限公司 | Brushless direct current motor control circuit |
-
2017
- 2017-07-06 CN CN201710545327.0A patent/CN107390574B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269226B1 (en) * | 1993-08-10 | 2001-07-31 | Canon Kabushiki Kaisha | Shutter device of camera |
| CN101634792A (en) * | 2008-07-25 | 2010-01-27 | 中国科学院空间科学与应用研究中心 | Device and method for mechanically controlling exposure time |
| CN101686022A (en) * | 2008-09-24 | 2010-03-31 | 无锡华润矽科微电子有限公司 | Drive circuit of ultrasonic motor |
| CN102244738A (en) * | 2010-05-13 | 2011-11-16 | 中国科学院西安光学精密机械研究所 | Electric control method and system for curtain shutter |
| CN102540633A (en) * | 2011-12-27 | 2012-07-04 | 中国科学院长春光学精密机械与物理研究所 | Quick opening and retaining control system for electromagnetic mechanical shutter |
| CN103336405A (en) * | 2013-07-09 | 2013-10-02 | 中国科学院光电技术研究所 | Improved shutter time delay measuring system |
| CN106685274A (en) * | 2016-12-30 | 2017-05-17 | 天水七四九电子有限公司 | Brushless direct current motor control circuit |
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| CN107390574B (en) | 2020-09-01 |
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Inventor after: Weng Kanxing Inventor after: Wu Bin Inventor after: Li Kai Inventor after: Cheng Bing Inventor after: Zhu Dong Inventor after: Zhou Yin Inventor before: Li Kai Inventor before: Cheng Bing Inventor before: Weng Kanxing Inventor before: Zhu Dong Inventor before: Zhou Yin |
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Application publication date: 20171124 Assignee: FOSHAN YAOYE TECHNOLOGY Co.,Ltd. Assignor: JIANG University OF TECHNOLOGY Contract record no.: X2024980000087 Denomination of invention: A controllable mechanical shutter light blocking device Granted publication date: 20200901 License type: Common License Record date: 20240104 |
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