CN208420695U - A kind of sample cell mobile platform of near-infrared spectrometers - Google Patents
A kind of sample cell mobile platform of near-infrared spectrometers Download PDFInfo
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- CN208420695U CN208420695U CN201820728516.1U CN201820728516U CN208420695U CN 208420695 U CN208420695 U CN 208420695U CN 201820728516 U CN201820728516 U CN 201820728516U CN 208420695 U CN208420695 U CN 208420695U
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- sample cell
- optocoupler
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- infrared spectrometers
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Abstract
The utility model relates to a kind of sample cell mobile platforms of near-infrared spectrometers, including support frame, mobile station, movable cover plate, mobile framework, lens fixed block, sample cell, the mobile station is moved on support frame as described above by screw rod, described screw rod one end and support frame as described above one end are rotatablely connected, the other end is driven by stepper motor, the movable cover plate fixation is located at the mobile station surface, the mobile framework and the movable cover plate are integrally formed, the sample cell bottom surface fixation is located on sample cell cushion block, and the sample cell is located in the mobile framework, the lens fixed block fixation is located in the mobile framework；Optocoupler is additionally provided in the mobile framework, the sample cell side is equipped with the optocoupler shielding plate being used cooperatively with the optocoupler.The utility model can realize automatic reference, automatic calibration function, without human intervention, the displacement of linear movement platform can be accurately controlled by motor, guarantees the accuracy and stability of measuring system.
Description
Technical field
The utility model belongs near infrared spectrometer technical field more particularly to a kind of sample of near-infrared spectrometers
Pond mobile platform.
Background technique
Near-infrared spectrum technique is as a kind of quick, non-destructive testing technology, in agricultural, medicine, food, clinical medicine, ring
Border, chemical field obtain more and more extensive attention.Since near infrared light has good transmission characteristic, and its in conventional fiber
Instrument is compared with simple, analysis speed is fast, non-destructive and sample preparation amount are small, are almost suitble to all kinds of samples (liquid, viscous body, painting
Layer, powder and solid) analysis, multicomponent multichannel the features such as measuring simultaneously, become a wonderful work in on-line analysis instrument.Closely
Several years, with the development of Chemical Measurement, optical fiber and computer technology, On-line NIR analytical technology was just with surprising speed
Degree is applied to many fields including agriculture and animal husbandry, food, chemical industry, petrochemical industry, pharmacy, tobacco etc., is scientific research, teaching and production
Process control provides a very wide use space.
Near infrared spectrometer during measurement of species, how in measurement process to a system such as calibration, measurement and reference
Column process preferably realizes it is a urgent problem needed to be solved by platform, therefore, is based on these problems, provides a kind of can be achieved
Automatic reference, automatic calibration function can accurately control the displacement of linear movement platform by motor without human intervention, guarantee
The sample cell mobile platform of the near-infrared spectrometers of the accuracy and stability of measuring system, with important reality meaning
Justice.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, and providing one kind can be achieved automatic reference, automatic school
Quasi- function can accurately be controlled the displacement of linear movement platform by motor, guarantee the accuracy of measuring system without human intervention
With the sample cell mobile platform of the near-infrared spectrometers of stability.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of sample cell mobile platform of near-infrared spectrometers, including support frame, mobile station, movable cover plate, movement
Frame, lens fixed block, sample cell, the mobile station are moved on support frame as described above by screw rod, described screw rod one end and institute
The rotation connection of support frame one end is stated, the other end is driven by stepper motor, and the movable cover plate fixation is located at the mobile station table
Face, the mobile framework and the movable cover plate are integrally formed, and the sample cell bottom surface fixation is located on sample cell cushion block, and institute
It states sample cell to be located in the mobile framework, the lens fixed block fixation is located in the mobile framework, and is located remotely from institute
State the side of movable cover plate；Optocoupler is additionally provided in the mobile framework, the optocoupler and the lens fixed block are located at the shifting
The same side of dynamic frame, the sample cell side are equipped with the optocoupler shielding plate being used cooperatively with the optocoupler.
It should be pointed out that in this sample cell mobile platform, the sample cell it is opposite with the lens fixed block one
Side is respectively equipped with calibration measurement hole, sample measured hole, reference measurement hole, and calibration measurement hole, sample measured hole, reference measurement hole
Center be located in same horizontal line.
Further, the lens fixed block is equipped with penetrating lens placement hole, and the lens placement hole horizontal central line
It is located at same level with the horizontal central line of the sample measured hole.
It is also contemplated that the mobile station underrun sliding rail slides in the slideway on support frame as described above surface, the cunning
Rail section is " convex " font, and the slideway matches with the sliding rail shape, therefore, in stepper motor work, screw rod rotation,
So that mobile station moves on the support frame.
In addition, polystyrene film is placed in the calibration measurement hole, blank in the reference measurement hole, this is because poly-
The infrared absorption peak of styrene is than more typically, making it enable to the peak position out of measurement of species more quasi- as calibration measurement peak
Really.
The optocoupler uses EE-SX series U slot L-type inductive switch photoelectric sensor, wherein the optocoupler shielding plate is machine
Process plastics washer, the simple barrier effect played to the light source of photoelectric sensor of the plastics washer.
The advantages and positive effects of the utility model are as follows:
The utility model is driven screw turns by stepper motor, so that mobile station is driven to move on the support frame, thus
So that mobile framework drives optocoupler mobile, when optocoupler is moved at optocoupler shielding plate, sample cell optocoupler initial zero position is realized, thus
It can realize automatic reference convenient for subsequent calibration, measurement and reference project control and realization, whole device, calibrate function automatically
Can, without human intervention, stepper motor can accurately control the displacement of linear movement platform, guarantee the accuracy and stabilization of measuring system
Property.
Detailed description of the invention
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the structural representation of the sample cell mobile platform of near-infrared spectrometers provided by the embodiment of the utility model
Figure；
Fig. 2 is the main view of the sample cell mobile platform of near-infrared spectrometers；
Fig. 3 is the support frame of near-infrared spectrometers and the sectional view of mobile station；
In figure:
1, support frame 2, mobile station 3, movable cover plate
4, mobile framework 5, lens fixed block 6, sample cell
7, screw rod 8, stepper motor 9, sample cell cushion block
10, optocoupler 11, optocoupler shielding plate 12, calibration measurement hole
13, sample measured hole 14, reference measurement hole 15, lens placement hole
16, sliding rail 17, slideway
Specific embodiment
Firstly, it is necessary to which explanation, illustrates the specific structure, feature of the utility model for by way of example below
With advantage etc., however what all descriptions were intended merely to be illustrated, and should not be construed as forming the utility model and appoint
What is limited.In addition, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or it is shown
Or implicit any single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into
Row any combination is deleted, to obtain more other embodiments of the utility model that may do not referred to directly herein.
In addition, same or like technical characteristic may be indicated only at one in the same figure for the sake of simplifying drawing.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The utility model just is illustrated in conjunction with Fig. 1 to Fig. 3 below.
Fig. 1 is the structural representation of the sample cell mobile platform of near-infrared spectrometers provided by the embodiment of the utility model
Figure；Fig. 2 is the main view of the sample cell mobile platform of near-infrared spectrometers；Fig. 3 is the support of near-infrared spectrometers
The sectional view of frame and mobile station；As shown in Figures 1 to 3, a kind of sample cell of near-infrared spectrometers provided in this embodiment moves
Moving platform, including support frame 1, mobile station 2, movable cover plate 3, mobile framework 4, lens fixed block 5, sample cell 6, the mobile station
2 are moved on support frame as described above 1 by screw rod 7, and described 7 one end of screw rod and 1 one end of support frame as described above are rotatablely connected, and the other end is logical
The driving of stepper motor 8 is crossed, the movable cover plate 3 is fixed to be located at 2 surface of mobile station, the mobile framework 4 and the movement
Cover board 3 is integrally formed, and 6 bottom surface of the sample cell fixation is located on sample cell cushion block 9, and the sample cell 6 is located at the movement
In frame 4, the fixation of lens fixed block 5 is located in the mobile framework 4, and is located remotely from the side of the movable cover plate 3；
Optocoupler 10 is additionally provided in the mobile framework 4, the optocoupler 10 is located at the same of the mobile framework 4 with the lens fixed block 5
Side, 6 side of sample cell is equipped with the optocoupler shielding plate 11 being used cooperatively with the optocoupler 10, also, the sample cell is mobile
Mesa base is arranged near infrared spectrometer by chassis.
For further, it can also consider in the present invention, the sample cell 6 and 5 phase of lens fixed block
Pair side be respectively equipped with calibration measurement hole 12, sample measured hole 13, reference measurement hole 14, and calibration measurement hole 12, sample are surveyed
Metering-orifice 13, reference measurement hole 14 center be located in same horizontal line.
For further, it can also consider in the present invention, the lens fixed block 5 is equipped with penetrating lens
Placement hole 15, and the horizontal central line of 15 horizontal central line of lens placement hole and the sample measured hole 13 is located at same level
Face.
The utility model is driven screw turns by stepper motor, so that mobile station is driven to move on the support frame, thus
So that mobile framework drives optocoupler mobile, when optocoupler is moved at optocoupler shielding plate, sample cell optocoupler initial zero position is realized, thus
It can realize automatic reference convenient for subsequent calibration, measurement and reference project control and realization, whole device, calibrate function automatically
Can, without human intervention, stepper motor can accurately control the displacement of linear movement platform, guarantee the accuracy and stabilization of measuring system
Property.
For further, it can also consider in the present invention, the 2 underrun sliding rail 16 of mobile station is described
Sliding in the slideway 17 on 1 surface of support frame.
It should be pointed out that 16 section of sliding rail is " convex " font, the slideway 17 and the 16 shape phase of sliding rail
Match.
It should be pointed out that polystyrene film is placed in the calibration measurement hole 12, it is empty in the reference measurement hole 14
It is white.
It should be pointed out that the optocoupler 10 uses EE-SX series U slot L-type inductive switch photoelectric sensor.
It should be pointed out that the optocoupler shielding plate 11 is machining plastics washer.
It should be noted that in the utility model be fixedly connected mode using bolt mature in the prior art, rivet,
The conventional means such as welding, details are not described herein, but will not influence the repetition of those skilled in the art due to the above reasons,.
As an example, in the present invention, as shown in Figure 1, stepper motor drives screw turns, hide optocoupler to optocoupler
Baffle direction is mobile, and when optocoupler shielding plate blocks optocoupler realization, optocoupler outputs signals to relevant controller, realizes sample cell
Optocoupler initial zero position, then stepper motor rotates backward, so that lens placement hole successively passes through calibration measurement hole, sample measurement
The measurement to sample in sample measured hole is realized in hole, reference measurement hole.
It should be noted that stepper motor is controlled by commercially available controller in the utility model, the controller energy
Enough receptions realized to optocoupler signal and stepper motor are after optocoupler initial zero position, and control stepper motor rotation one is periodically
Between to realizing that lens placement hole successively passes through calibration measurement hole, sample measured hole, reference measurement hole, as long as being able to achieve related function
Energy, such as: table program controller TPC8-8TD, controller and power supply, stepper motor circuit connecting mode compared with technology, this
Place repeats no more.
In conclusion the utility model, which can provide one kind, can be achieved automatic reference, automatic calibration function, without artificial behaviour
Make, the displacement of linear movement platform can be accurately controlled by motor, guarantees the accuracy of measuring system and the near-infrared of stability
The sample cell mobile platform of spectroanalysis instrument.
The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of sample cell mobile platform of near-infrared spectrometers, it is characterised in that: including support frame, mobile station, movement
Cover board, mobile framework, lens fixed block, sample cell, the mobile station are moved on support frame as described above by screw rod, the screw rod
One end and support frame as described above one end are rotatablely connected, and the other end is driven by stepper motor, the movable cover plate is fixed be located at described in
Mobile station surface, the mobile framework and the movable cover plate are integrally formed, and the sample cell bottom surface fixation is located at sample cell pad
On block, and the sample cell is located in the mobile framework, and the lens fixed block fixation is located in the mobile framework, and position
In the side far from the movable cover plate；Optocoupler, the optocoupler and lens fixed block position are additionally provided in the mobile framework
In the same side of the mobile framework, the sample cell side is equipped with the optocoupler shielding plate being used cooperatively with the optocoupler.
2. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 1, it is characterised in that: described
The sample cell side opposite with the lens fixed block is respectively equipped with calibration measurement hole, sample measured hole, reference measurement hole, and school
Locating tab assembly hole, sample measured hole, reference measurement hole center be located in same horizontal line.
3. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 2, it is characterised in that: described
Lens fixed block is equipped with penetrating lens placement hole, and the water of the lens placement hole horizontal central line and the sample measured hole
Flat middle line is located at same level.
4. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 1, it is characterised in that: described
Mobile station underrun sliding rail slides in the slideway on support frame as described above surface.
5. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 4, it is characterised in that: described
Sliding rail section is " convex " font, and the slideway matches with the sliding rail shape.
6. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 2 or 3, it is characterised in that:
Polystyrene film, blank in the reference measurement hole are placed in the calibration measurement hole.
7. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 1, it is characterised in that: described
Optocoupler uses EE-SX series U slot L-type inductive switch photoelectric sensor.
8. a kind of sample cell mobile platform of near-infrared spectrometers according to claim 1, it is characterised in that: described
Optocoupler shielding plate is machining plastics washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728516.1U CN208420695U (en) | 2018-05-16 | 2018-05-16 | A kind of sample cell mobile platform of near-infrared spectrometers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728516.1U CN208420695U (en) | 2018-05-16 | 2018-05-16 | A kind of sample cell mobile platform of near-infrared spectrometers |
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| Publication Number | Publication Date |
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| CN208420695U true CN208420695U (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820728516.1U Active CN208420695U (en) | 2018-05-16 | 2018-05-16 | A kind of sample cell mobile platform of near-infrared spectrometers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859359A (en) * | 2021-12-03 | 2021-12-31 | 南京天创电子技术有限公司 | Movement control method of light explosion-proof four-wheel eight-drive chassis |
-
2018
- 2018-05-16 CN CN201820728516.1U patent/CN208420695U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859359A (en) * | 2021-12-03 | 2021-12-31 | 南京天创电子技术有限公司 | Movement control method of light explosion-proof four-wheel eight-drive chassis |
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