CN113720445A - Photometer grating control mechanism based on direct current motor and encoder and driving method - Google Patents
Photometer grating control mechanism based on direct current motor and encoder and driving method Download PDFInfo
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- CN113720445A CN113720445A CN202110805200.4A CN202110805200A CN113720445A CN 113720445 A CN113720445 A CN 113720445A CN 202110805200 A CN202110805200 A CN 202110805200A CN 113720445 A CN113720445 A CN 113720445A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
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- Control Of Position Or Direction (AREA)
Abstract
The embodiment of the invention provides a photometer grating control mechanism based on a direct current motor and an encoder and a driving method, and belongs to the technical field of photometers. The photometer grating control mechanism based on the direct current motor and the encoder comprises a grating seat, the direct current motor, the encoder, a coupler, a lead screw bracket, a lead screw, a screw nut slide block, a servo driver and a controller; the direct current motor is fixed on the screw rod bracket and drives the screw rod to rotate through the coupler; the screw rod and the screw nut sliding block move in a matched mode; the controller, the direct current motor and the encoder are all connected with the servo driver; the encoder is also connected with the controller, and the controller is used for reading a position signal fed back by the encoder; the screw slide block is connected with the grating seat, and the screw rod is connected with the coupler. The method and the device can meet the requirement of spectrum rapid scanning, can effectively realize that the wavelength moving precision is 0.02nm and improve the spectrum scanning speed.
Description
Technical Field
The invention relates to the technical field of photometers, in particular to a photometer grating control mechanism based on a direct current motor and an encoder and a driving method.
Background
At present, a screw rod in an existing photometer is driven by a stepping motor, however, the screw rod is locked under the condition that a wavelength moves rapidly because the rotating speed of the stepping motor is low and the torque is smaller as the rotating speed is higher. The moving speed and the moving precision of a sliding block in the grating control mechanism are limited, and the requirement of spectrum quick scanning is difficult to meet.
Therefore, how to overcome the above problems is a technical problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a photometer grating control mechanism and a driving method based on a direct current motor and an encoder, which can improve the problems.
The embodiment of the invention is realized by the following steps:
in a first aspect, the invention provides a photometer grating control mechanism based on a direct current motor and an encoder, which comprises a grating seat, the direct current motor, the encoder, a coupler, a lead screw bracket, a lead screw, a screw sliding block, a servo driver and a controller; the direct current motor is fixed on the screw rod bracket and drives the screw rod to rotate through the coupler; the screw rod and the screw nut sliding block move in a matched mode, and the screw rod is connected with the coupler; the controller, the direct current motor and the encoder are all connected with the servo driver; the encoder is also connected with the controller, and the controller is used for reading a position signal fed back by the encoder; the nut sliding block is connected with the grating seat.
In a possible embodiment, the dc motor is a dc brushless motor.
In one possible embodiment, the encoder is a 1000-wire encoder.
In a possible embodiment, the encoder comprises an encoder signal line, and the encoder signal line feeds back to the servo driver and also feeds back to the controller to form a double feedback control.
In a possible embodiment, the coupling is a flexible coupling.
In a possible embodiment, the thread pitch of the lead screw is 1 mm, wherein the movement of the nut slider by 1 mm corresponds to the wavelength movement of the grating by 20 nm, the movement of the nut slider by 1 mm requires the lead screw to rotate 360 degrees, the rotation of the lead screw by 360 degrees corresponds to 1000 pulse signals of the encoder, and the movement precision of the wavelength corresponding to one pulse signal is 0.02 nm.
In one possible embodiment, the servo driver model is ACS 306.
In a possible embodiment, the controller is of the type STM32F103ZET 6.
In a possible embodiment, the grating seat is provided with an arm rod; the nut sliding block is connected with the arm rod; the nut sliding block drives the grating to rotate through the arm rod.
In a second aspect, the present invention provides a driving method for driving a direct current motor plus encoder based photometric grating control mechanism according to any of the first aspects, the driving method comprising: the controller sends a pulse signal and a steering signal to the servo driver; the servo driver controls the direct current motor to drive the screw rod to rotate according to the pulse signal and the steering signal; the encoder feeds back position signals to the servo driver and the controller when the screw rod rotates; the controller decodes the position signal to obtain the position information of the screw sliding block, so that the grating is controlled to rotate according to the position information.
According to the photometer grating control mechanism and the driving method based on the direct current motor and the encoder, the grating seat, the direct current motor, the encoder, the coupler, the lead screw bracket, the lead screw, the screw nut sliding block, the servo driver and the controller are arranged, so that the moving speed and the moving precision of the screw nut sliding block are adjusted through the encoder, and the requirement of spectrum fast scanning is met. Secondly, the direct current motor is combined with the encoder to drive the grating mechanism, so that the wavelength driving function can be realized, and higher position precision can be realized while higher torque and rotation speed can be realized; furthermore, the wavelength shifting precision of 0.02nm can be effectively realized through the double feedback of the position signal of the encoder; further, the spectral scanning speed can also be increased.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed 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.
FIG. 1 is a schematic structural diagram of a photometer grating control mechanism based on a DC motor and an encoder according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the circuit configuration of a DC motor plus encoder based photometric grating control mechanism shown in FIG. 1;
FIG. 3 is a schematic diagram of the configuration of the grating mount of the direct current motor plus encoder based control mechanism for a grating of a photometer shown in FIG. 1;
fig. 4 is a flowchart illustrating a driving method according to another embodiment of the invention.
Reference numerals:
100-photometer grating control mechanism based on a direct current motor and an encoder; 110-a grating mount; 120-a direct current motor; 130-an encoder; 140-a coupler; 150-a lead screw bracket; 160-a screw rod; 170-nut runner; 180-a servo driver; 190-a controller; 111-arm lever; 113-fixing element.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a photometric grating control mechanism 100 based on a dc motor and an encoder, which includes a grating base 110, a dc motor 120, an encoder 130, a coupler 140, a lead screw bracket 150, a lead screw 160, a nut slider 170, a servo driver 180, and a controller 190.
Wherein, the grating seat 110 is connected with the nut runner 170.
Optionally, an arm 111 is disposed on the grating seat 110; one end of the arm rod 111 is fixedly connected with the nut slider 170, and the other end of the arm rod 111 is connected with the grating seat 110. The nut slider 170 drives the grating (not shown) to rotate through the arm 111.
Optionally, the arm 111 is fixed to the grating base 110 by a fixing member 113.
Optionally, a sliding hole is disposed at a connection position of the arm 111 and the grating seat 110, so that the arm 111 performs a telescopic motion, thereby driving the grating seat 110 to move, and further driving a grating (not shown) in the grating seat 110 to rotate.
That is, since the nut block 170 slides under the driving of the lead screw 140, the grating is driven to rotate by the arm 111 through the self-sliding.
It should be understood that the grating may be part of the dc motor plus encoder based photometric grating control mechanism 100, or may be an external structure, i.e., the dc motor plus encoder based photometric grating control mechanism 100 is used to drive the grating. Here, the number of the carbon atoms is not particularly limited.
The dc motor 120 is fixed to the lead screw bracket 150, and the dc motor 120 drives the lead screw 160 to rotate through the coupler 140.
Optionally, the dc motor 120 is a dc brushless motor.
Optionally, the rated voltage of the dc motor 120 is 24VDC, the rated speed is 3000 rpm, and the rated torque is 0.125 nm, the power line of the dc motor 120 comprises U, V, W three wires, and the dc motor 120 is connected to the servo driver 180 through the dc motor power line.
Optionally, the dc motor 120 is a high-speed dc motor.
The encoder 130 is used for feeding back a position signal to the servo driver 180 and also feeding back the position signal to the controller 190, so as to form a dual feedback control.
Optionally, encoder 130 is a 1000-wire encoder.
Optionally, the encoder 130 includes an encoder signal line, and the encoder signal line includes six wires, i.e., a power VCC, a ground GND, a signal EA +, a signal EA-, a signal EB +, and a signal EB-. The encoder 130 feeds back a position signal to the servo driver 180 through the encoder signal line and also feeds back the position signal to the controller 190, thereby forming a dual feedback control.
Optionally, the coupling 140 is a flexible coupling. The dc motor 120 is fixed to the lead screw bracket 150 to be connected to the lead screw 160 through a flexible coupling.
The lead screw 160 and the nut block 170 are engaged with each other (e.g., tightly engaged), that is, the nut block 170 is mounted on the lead screw 160 and can move (or slide) on the lead screw 160.
Optionally, a thread pitch of the lead screw 160 is 1 mm, wherein the wavelength shift of the grating corresponding to 1 mm movement of the nut slider 170 is 20 nm, the lead screw 160 needs to rotate 360 degrees when the nut slider 170 moves 1 mm, the lead screw 160 rotates 360 degrees corresponding to 1000 pulse signals of the encoder 130, and the wavelength shift precision corresponding to one pulse signal is 0.02 nm.
Optionally, the lead screw 160 is a threaded lead screw.
Of course, in practical use, the screw 160 may be an unthreaded screw, and is not limited in particular.
Optionally, the servo drive model is ACS 306.
It should be understood that the above-described models are exemplary only, and not limiting.
Wherein, the controller 190, the dc motor 120 and the encoder 130 are all connected to the servo driver 180. The encoder 130 is also connected to the controller 190, and the controller 190 is used for reading the position signal fed back by the encoder 130.
Alternatively, the controller 190 may be an MCU (micro controller Unit).
Optionally, the controller 190 is of the model STM32F103ZET 6.
Optionally, the controller 190 includes 4 sets of signals including a rotation direction control line, a rotation step number control line, an enable control line, and an operating state detection line.
In one implementation, the controller 190 includes a control port and a detection port, the detection port is connected to the encoder 130, and the control port is connected to the servo driver 180.
Optionally, the control port includes rotation direction control, rotation step number control, enable control, and working state detection.
In the implementation process, the photometer grating control mechanism 100 based on the dc motor and the encoder provided in this embodiment adjusts the moving speed and precision of the screw slider 170 through the encoder 130 by setting the grating seat 110, the dc motor 120, the encoder 130, the coupler 140, the screw bracket 150, the screw 160, the screw slider 170, the servo driver 180 and the controller 190, so as to meet the requirement of fast spectrum scanning. Secondly, the direct current motor 120 is combined with the encoder 130 to drive the grating mechanism, so that the wavelength driving function can be realized, and higher position precision can be realized while higher torque and rotation speed can be realized; further, the wavelength shift precision of 0.02nm can be effectively realized through the double feedback of the position signal of the encoder 130; further, the spectral scanning speed can also be increased. Further, this application has satisfied the demand of high accuracy instrument through having adopted the control mode of high-speed direct current motor 120 and the dual feedback of encoder 130, has improved product property ability.
Referring to fig. 4, the present embodiment further provides a driving method for driving the photometer grating control mechanism 100 based on the dc motor plus encoder as described above, the driving method includes:
step S201, the controller sends a pulse signal and a steering signal to the servo driver.
As one implementation mode, the controller sends pulse signals and steering signals to the servo driver through signal wires such as a rotation direction control wire, a rotation step number control wire, an enabling control wire and a working state detection wire.
And S202, the servo driver controls the direct current motor to drive the screw rod to rotate according to the pulse signal and the steering signal.
In one embodiment, after receiving the pulse signal and the steering signal, the servo driver analyzes the pulse signal and the steering signal, and controls the dc motor to rotate the lead screw through U, V, W three power lines.
Step S203, the encoder feeds back position signals to the servo driver and the controller when the screw rod rotates.
It is to be understood that the position signal is an encoded signal.
As an implementation manner, the encoder encodes the position signal by the signal EA +, the signal EA-, the signal EB +, and the signal EB-and transmits the encoded position signal to the servo driver, and simultaneously transmits the encoded position signal to the controller based on the signal EA +, the signal EA-, the signal EB +, and the signal EB-, so as to form the dual feedback control.
And S204, the controller decodes the position signal to obtain the position information of the screw slider so as to control the grating to rotate according to the position information.
In summary, according to the photometer grating control mechanism and the driving method based on the dc motor and the encoder provided by the present invention, by arranging the grating seat 110, the dc motor 120, the encoder 130, the coupler 140, the lead screw bracket 150, the lead screw 160, the nut slider 170, the servo driver 180 and the controller 190, the moving speed and the precision of the nut slider 170 are adjusted by the encoder 130, so as to meet the requirement of fast spectrum scanning. Secondly, the direct current motor 120 is combined with the encoder 130 to drive the grating mechanism, so that the wavelength driving function can be realized, and higher position precision can be realized while higher torque and rotation speed can be realized; further, the wavelength shift precision of 0.02nm can be effectively realized through the double feedback of the position signal of the encoder 130; further, the spectral scanning speed can also be increased.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a photometer grating control mechanism based on direct current motor adds encoder which characterized in that includes:
the grating comprises a grating seat, a direct current motor, an encoder, a coupler, a lead screw bracket, a lead screw, a screw nut slide block, a servo driver and a controller;
the direct current motor is fixed on the screw rod bracket and drives the screw rod to rotate through the coupler;
the screw rod and the screw nut sliding block move in a matched mode, and the screw rod is connected with the coupler;
the controller, the direct current motor and the encoder are all connected with the servo driver;
the encoder is also connected with the controller, and the controller is used for reading a position signal fed back by the encoder;
the nut sliding block is connected with the grating seat.
2. The direct current motor plus encoder based photometer grating control mechanism of claim 1, wherein the direct current motor is a dc brushless motor.
3. The direct current motor plus encoder based photometer grating control mechanism of claim 2, wherein the encoder is a 1000-wire encoder.
4. The direct current motor plus encoder based photometer grating control mechanism of claim 3, wherein the encoder comprises an encoder signal line that feeds back to the servo driver as well as to the controller to form a dual feedback control.
5. The direct current motor plus encoder based photometer grating control mechanism of claim 1, wherein the coupling is a flexible coupling.
6. The photometer grating control mechanism based on the DC motor and the encoder as claimed in claim 3, wherein the screw pitch of the screw rod is 1 mm, wherein the movement of the screw nut slider by 1 mm corresponds to the wavelength movement of the grating being 20 nm, the movement of the screw nut slider by 1 mm requires the screw rod to rotate 360 degrees, the rotation of the screw rod by 360 degrees corresponds to 1000 pulse signals of the encoder, and the movement precision of the wavelength corresponding to one pulse signal is 0.02 nm.
7. The direct current motor plus encoder based photometric grating control mechanism according to claim 1 wherein said servo driver model is ACS 306.
8. The direct current motor plus encoder based photometric grating control mechanism of claim 1 wherein the controller is model number STM32F103ZET 6.
9. The direct current motor plus encoder based photometer grating control mechanism of claim 6, wherein the grating mount is provided with an arm;
the arm rod is connected with the nut slide block;
the nut sliding block drives the grating to rotate through the arm rod.
10. A driving method for driving a direct current motor plus encoder based photometric grating control mechanism according to any one of claims 1 to 9, the driving method comprising:
the controller sends a pulse signal and a steering signal to the servo driver;
the servo driver controls the direct current motor to drive the screw rod to rotate according to the pulse signal and the steering signal;
the encoder feeds back position signals to the servo driver and the controller when the screw rod rotates;
the controller decodes the position signal to obtain the position information of the screw sliding block, so that the grating is controlled to rotate according to the position information.
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126219A (en) * | 1983-01-10 | 1984-07-20 | Hitachi Ltd | Atomic spectrochemical analyzer |
| JPH02223829A (en) * | 1989-02-23 | 1990-09-06 | Shimadzu Corp | Concave surface diffraction grating spectral device |
| US5569913A (en) * | 1994-04-27 | 1996-10-29 | Canon Kabushiki Kaisha | Optical displacement sensor |
| US6249300B1 (en) * | 1999-07-15 | 2001-06-19 | Eastman Kodak Company | Method and apparatus for positioning a writing assembly of an image processing apparatus |
| CN201522329U (en) * | 2009-11-04 | 2010-07-07 | 北京普析通用仪器有限责任公司 | Sine mechanism with single-driving double-grating synchronous wavelength scanning |
| CN102118128A (en) * | 2009-12-31 | 2011-07-06 | 北大方正集团有限公司 | Control method and device for accurate positioning on stepping motor |
| CN102519425A (en) * | 2011-10-24 | 2012-06-27 | 哈尔滨工程大学 | Laser range finder stabilized platform used for vessel with single degree of freedom and its control method |
| CN102662332A (en) * | 2012-05-23 | 2012-09-12 | 西安交通大学 | Disturbing load simulation device and method for servo feeding system of numerical control machine tool |
| JP2012255804A (en) * | 2004-11-02 | 2012-12-27 | General Hospital Corp | Optical fiber rotating device for forming sample image, optical system and method |
| CN102954954A (en) * | 2012-09-19 | 2013-03-06 | 东南大学 | Magnetic separation-based multi-sample multi-site high-flux nucleic acid analysis system |
| CN204013301U (en) * | 2014-03-24 | 2014-12-10 | 辛甜 | The control device of DC servo motor |
| CN204556106U (en) * | 2015-04-21 | 2015-08-12 | 中国电子科技集团公司第四十一研究所 | A kind of high-performance grating scan control locating device |
| CN104864957A (en) * | 2015-04-21 | 2015-08-26 | 中国电子科技集团公司第四十一研究所 | High-performance raster scanning control positioning device |
| CN107239071A (en) * | 2017-08-01 | 2017-10-10 | 深圳市恒科通机器人有限公司 | Monitoring system and mechanical arm |
| CN107588852A (en) * | 2017-10-20 | 2018-01-16 | 北京普析通用仪器有限责任公司 | Length scanning positioner |
| JP2018128282A (en) * | 2017-02-06 | 2018-08-16 | 西進商事株式会社 | Monochromator |
| CN208075789U (en) * | 2018-04-25 | 2018-11-09 | 中国计量大学 | A kind of Brillouin light fiber sensor system strain calibrating installation |
| CN109459134A (en) * | 2018-12-18 | 2019-03-12 | 济南大学 | Diffraction intensity detection system, single slit diffraction optical path system and light-intensity test method |
| CN209323927U (en) * | 2018-11-30 | 2019-08-30 | 天津新技术产业园区北洋新技术工程有限公司 | A kind of spray equipment for Polymeric Grouting Materials |
| CN209447046U (en) * | 2019-03-07 | 2019-09-27 | 青岛麦科三维测控技术股份有限公司 | A kind of high-precision AC servomechanism |
-
2021
- 2021-07-16 CN CN202110805200.4A patent/CN113720445A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126219A (en) * | 1983-01-10 | 1984-07-20 | Hitachi Ltd | Atomic spectrochemical analyzer |
| JPH02223829A (en) * | 1989-02-23 | 1990-09-06 | Shimadzu Corp | Concave surface diffraction grating spectral device |
| US5569913A (en) * | 1994-04-27 | 1996-10-29 | Canon Kabushiki Kaisha | Optical displacement sensor |
| US6249300B1 (en) * | 1999-07-15 | 2001-06-19 | Eastman Kodak Company | Method and apparatus for positioning a writing assembly of an image processing apparatus |
| JP2012255804A (en) * | 2004-11-02 | 2012-12-27 | General Hospital Corp | Optical fiber rotating device for forming sample image, optical system and method |
| CN201522329U (en) * | 2009-11-04 | 2010-07-07 | 北京普析通用仪器有限责任公司 | Sine mechanism with single-driving double-grating synchronous wavelength scanning |
| CN102118128A (en) * | 2009-12-31 | 2011-07-06 | 北大方正集团有限公司 | Control method and device for accurate positioning on stepping motor |
| CN102519425A (en) * | 2011-10-24 | 2012-06-27 | 哈尔滨工程大学 | Laser range finder stabilized platform used for vessel with single degree of freedom and its control method |
| CN102662332A (en) * | 2012-05-23 | 2012-09-12 | 西安交通大学 | Disturbing load simulation device and method for servo feeding system of numerical control machine tool |
| CN102954954A (en) * | 2012-09-19 | 2013-03-06 | 东南大学 | Magnetic separation-based multi-sample multi-site high-flux nucleic acid analysis system |
| CN204013301U (en) * | 2014-03-24 | 2014-12-10 | 辛甜 | The control device of DC servo motor |
| CN204556106U (en) * | 2015-04-21 | 2015-08-12 | 中国电子科技集团公司第四十一研究所 | A kind of high-performance grating scan control locating device |
| CN104864957A (en) * | 2015-04-21 | 2015-08-26 | 中国电子科技集团公司第四十一研究所 | High-performance raster scanning control positioning device |
| JP2018128282A (en) * | 2017-02-06 | 2018-08-16 | 西進商事株式会社 | Monochromator |
| CN107239071A (en) * | 2017-08-01 | 2017-10-10 | 深圳市恒科通机器人有限公司 | Monitoring system and mechanical arm |
| CN107588852A (en) * | 2017-10-20 | 2018-01-16 | 北京普析通用仪器有限责任公司 | Length scanning positioner |
| CN208075789U (en) * | 2018-04-25 | 2018-11-09 | 中国计量大学 | A kind of Brillouin light fiber sensor system strain calibrating installation |
| CN209323927U (en) * | 2018-11-30 | 2019-08-30 | 天津新技术产业园区北洋新技术工程有限公司 | A kind of spray equipment for Polymeric Grouting Materials |
| CN109459134A (en) * | 2018-12-18 | 2019-03-12 | 济南大学 | Diffraction intensity detection system, single slit diffraction optical path system and light-intensity test method |
| CN209447046U (en) * | 2019-03-07 | 2019-09-27 | 青岛麦科三维测控技术股份有限公司 | A kind of high-precision AC servomechanism |
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