CN209043800U - A kind of micro-spectrophotometer - Google Patents
A kind of micro-spectrophotometer Download PDFInfo
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- CN209043800U CN209043800U CN201821532737.8U CN201821532737U CN209043800U CN 209043800 U CN209043800 U CN 209043800U CN 201821532737 U CN201821532737 U CN 201821532737U CN 209043800 U CN209043800 U CN 209043800U
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- measuring table
- optical fiber
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- shell
- micro
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Abstract
The utility model discloses a kind of micro-spectrophotometer, the upper measuring table, the fixed lower measuring table inside the shell that are mounted on including shell, one end in the shaft of shell；Upper measuring table and lower measuring table are respectively equipped with opposite projection fibre and reception optical fiber, reception optical fiber one end connecting detection analysis module；The upper measuring table is fixedly installed with downwards connecting column and upper limit column, and lower measuring table is provided with through-hole, and the lower limit column contradicted with connecting column lower end is equipped in through-hole；Lower limit column lower end is connected and installed in the linear motor in shell by installing elastomer, and lower limit column lower end or elastomer diameter are greater than through-hole；The lower measuring table is also provided with the locating slot of face upper limit column；When further including upper measuring table and lower measuring table face, the bindiny mechanism for fastening connecting column and lower limit column.
Description
Technical field
The utility model relates to spectrophotometer field more particularly to a kind of micro-spectrophotometers.
Background technique
Micro-spectrophotometer is to draw to form light-path using the tension of micro liquid；Existing micro-spectrophotometer
The optical path length of micro-spectrophotometer mainly is adjusted by controlling the electric on-off of electromagnet, as patent CN201955299U is public
A kind of sampling and measuring device for micro-spectrophotometer opened, when the ferromagnetic cylinder on-off of electromagnetism, cause lifting seat decline or
During which rising, spring contraction and reset are contacted by the first jackscrew with lifting seat so that upper measuring table is lowered or up-regulation, the
Two jackscrews are contacted with lower measuring table, realize upper and lower limits.
But by way of Electromagnetic Control, the process of lifting is unstable, and it is not high to control precision, while electromagnetism is ferromagnetic
The on-off of cylinder will cause the impact that lifting seat has moment, and damage and the control that will lead to equipment for a long time are inaccurate.
In addition, in order to realize that apparent surface sets in the two to the locking of the upper measuring table and the lower measuring table
It sets a pair of magnet, but when the ferromagnetic cylinder of electromagnetism disconnects, will increase upward instant impact.
To sum up, we devise a kind of micro-spectrophotometer.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of micro-spectrophotometer, it is intended to solve existing electricity
The micro-spectrophotometer optical path length control of magnetic control is accurate, and lifting is unstable, has the impact of moment that equipment is be easy to cause to damage
The bad misalignment with control precision.
To achieve the above object, the utility model provides the following technical solutions: a kind of micro-spectrophotometer, including outer
Shell, one end are mounted on upper measuring table, fixed lower measuring table inside the shell in the shaft of shell；Upper measuring table is under
Measuring table is respectively equipped with opposite projection fibre and reception optical fiber, reception optical fiber one end connecting detection analysis module；On described
Measuring table is fixedly installed with downwards connecting column and upper limit column, and lower measuring table is provided with through-hole, is equipped with and connects in through-hole
The lower limit column that column lower end contradicts；Lower limit column lower end is connected and installed in the linear motor in shell by installing elastomer, and
Lower limit column lower end or elastomer diameter are greater than through-hole；The lower measuring table is also provided with the locating slot of face upper limit column；Also
Bindiny mechanism when including upper measuring table with lower measuring table face, for fastening connecting column and lower limit column.
Preferably, the bindiny mechanism is magnet steel, and connecting column is magnet steel column, and magnet steel is installed on connecting column and and lower limit
Position column is attracted；It is fixedly connected with connecting column and lower limit column by magnetism, so that upper measuring table is opened conveniently.
Preferably, the bindiny mechanism is bolt, and connecting column is connect by bolt with lower limit column；Bolt is unclamped in lower limit
Connection, that is, openable upper measuring table on the column of position.
Preferably, the projection fibre is made of luminous source optical fiber and filtering optical fiber, filtering optical fiber one end and reception optical fiber one
End is opposite.
In order to optimize inner space, reduce equipment instrument, the filtering optical fiber is installed on measuring table, reception optical fiber peace
Loaded on lower measuring table, filtering optical fiber one end is opposite with reception optical fiber one end, and the luminous source optical fiber is mounted on lower measuring table
On, the filtering optical fiber other end is opposite with luminous source optical fiber output end.
As a kind of mounting means of upper cover, the upper shell is equipped with shaft, upper measuring table one by support plate
End is mounted in shaft, further includes upper cover, upper cover one end is similarly installed in shaft.
As a kind of mode for showing data, detection and analysis module setting inside the shell, case surface be equipped with and
Test and analyze the display unit of module connection.
For the stroke of straight limit motor, at the same linear motor when the error occurs, be conveniently returned to initial position,
Limit switch is equipped in shell below the linear motor.Such as, linear electric motor primary is fixed, secondary does straight line fortune up and down
Dynamic, limit switch is located at immediately below secondary.
Preferably, the limit switch is optoelectronic switch.
The utility model has the beneficial effects that being driven in place by linear motor, using flexible, lifting are stablized, and are made for a long time
With the missing that not will cause equipment damage and precision, long service life；And error, in place precise control are compensated by elastomer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1, shell；2, shaft；3, upper measuring table；4, lower measuring table；5, projection fibre；51, luminous source optical fiber；
52, optical fiber is filtered；6, reception optical fiber；7, module is tested and analyzed；8, connecting column；9, upper limit column；10, lower limit column；11, elastic
Body；12, linear motor；13, locating slot；14, bindiny mechanism；15, support plate；16, display unit；17, upper cover；18, limit is opened
It closes.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of micro-spectrophotometer, the upper survey being mounted on including shell 1, one end in the shaft 2 of shell 1
Measure platform 3, the lower measuring table 4 being fixed in shell 1；Upper measuring table 3 is respectively equipped with opposite projection with lower measuring table 4
Optical fiber 5 and reception optical fiber 6,6 one end connecting detection analysis module 7 of reception optical fiber；The upper measuring table 3 is fixedly installed with downwards
Connecting column 8 and upper limit column 9, lower measuring table 4 are provided with through-hole, and the lower limit contradicted with 8 lower end of connecting column is equipped in through-hole
Column 10；10 lower end of lower limit column is connected and installed in the linear motor 12 in shell 1, and lower limit column 10 by installing elastomer 11
Lower end or 11 diameter of elastomer are greater than through-hole；The lower measuring table 4 is also provided with the locating slot 13 of face upper limit column 9；Also wrap
When including measuring table 3 and lower 4 face of measuring table, the bindiny mechanism 14 for fastening connecting column 8 and lower limit column 10.
The bindiny mechanism 14 is magnet steel, and connecting column 8 is magnet steel column, and magnet steel is installed on connecting column 8 and and lower limit
Column 10 is attracted.
1 upper end of shell is equipped with shaft 2 by support plate 15, and upper 3 one end of measuring table is mounted in shaft 2, also
Including upper cover 17,17 one end of upper cover is similarly installed in shaft 2.The detection and analysis module 7 is arranged in shell 1,1 table of shell
Face is equipped with the display unit 16 connecting with detection and analysis module 7.
The utility model overturns upper cover 17 and upper measuring table 3, by liquid to be detected when needing liquid feeding to detect around the shaft
Drop is in reception optical fiber 6, and measuring table 4 makes projection fibre 5 and 6 face of reception optical fiber under 3 face of measuring table in merging, and
Connecting column 8 is attracted by magnet steel and lower limit column 10.
When tuning up optical path length, lower limit column 10 is driven to move up in the mobile drive connecting column 8 of through-hole by linear motor 12
And then expand the spacing of measuring table 4 under upper 3 face of measuring table；Drive lower limit column 10 in through-hole by linear motor 12
Inside moved, it is stable up and down, and there is no sudden surge；10 lower end of lower limit column or 11 diameter of elastomer are greater than logical
Hole, 10 lower end of lower limit column or elastomer 11 are limited by lower measuring table 4 after operation in place, by the way that elastomer 11 is arranged, are made
Obtaining linear motor can precisely drive measuring table 3 mobile in place, and the slight error exceeded is squeezed by elastomer 11 and compensated.
When turning optical path length down, lower limit column 10 is driven to move connecting column 8 in mobile inhale downwards of through-hole by linear motor 12,
It is contradicted by upper limit column 9 and locating slot 13 and realizes limit, similarly by setting elastomer 11, enable linear motor accurate
Measuring table 3 is mobile in place in drive, and the slight error exceeded is by 11 stretch compensation of elastomer.
And the detection and analysis module 7 is connected with reception optical fiber 6 by grating by its photoelectric conversion module, is counted
According to analytical calculation after (being herein the prior art, do not state), output is to display unit 16.
Claims (9)
1. a kind of micro-spectrophotometer is mounted on the upper measuring table in the shaft (2) of shell (1) including shell (1), one end
(3), the lower measuring table (4) being fixed in shell (1)；Upper measuring table (3) and lower measuring table (4) are respectively equipped with opposite
Projection fibre (5) and reception optical fiber (6), reception optical fiber (6) one end connecting detection analysis module (7)；It is characterized in that, on described
Measuring table (3) is fixedly installed with downwards connecting column (8) and upper limit column (9), and lower measuring table (4) is provided with through-hole, in through-hole
The lower limit column (10) contradicted with connecting column (8) lower end is installed；Lower limit column (10) lower end is connected by installation elastomer (11)
The linear motor (12) being installed in shell (1) is connect, and lower limit column (10) lower end or elastomer (11) diameter are greater than through-hole；Institute
State the locating slot (13) that lower measuring table (4) is also provided with face upper limit column (9)；It further include upper measuring table (3) and lower measurement
When platform (4) face, it to be used for the bindiny mechanism (14) of fastening connecting column (8) and lower limit column (10).
2. a kind of micro-spectrophotometer according to claim 1, which is characterized in that the bindiny mechanism (14) is magnet steel,
And connecting column (8) is magnet steel column, magnet steel is installed on connecting column (8) and is attracted with lower limit column (10).
3. a kind of micro-spectrophotometer according to claim 1, which is characterized in that the bindiny mechanism (14) is bolt,
Connecting column (8) is connect by bolt with lower limit column (10).
4. a kind of micro-spectrophotometer according to claim 1, which is characterized in that the projection fibre (5) is by light source light
Fine (51) and filtering optical fiber (52) are constituted, and filtering optical fiber (52) one end is opposite with reception optical fiber (6) one end.
5. a kind of micro-spectrophotometer according to claim 4, which is characterized in that the filtering optical fiber (52) is installed on
Measuring table (3), reception optical fiber (6) are installed on lower measuring table (4), filtering optical fiber (52) one end and reception optical fiber (6) one
End is opposite, and the luminous source optical fiber (51) is mounted on lower measuring table (4), filtering optical fiber (52) other end and luminous source optical fiber (51)
Output end is opposite.
6. a kind of micro-spectrophotometer according to claim 1, which is characterized in that shell (1) upper end passes through support
Plate (15) is equipped with shaft (2), and upper measuring table (3) one end is mounted on shaft (2), further includes upper cover (17), upper cover (17)
One end is similarly installed on shaft (2).
7. a kind of micro-spectrophotometer according to claim 1, which is characterized in that detection and analysis module (7) setting
In shell (1), shell (1) surface is equipped with the display unit (16) connecting with detection and analysis module (7).
8. a kind of micro-spectrophotometer according to claim 1, which is characterized in that outer below the linear motor (12)
Limit switch (18) are equipped in shell (1).
9. a kind of micro-spectrophotometer according to claim 8, which is characterized in that the limit switch (18) is opened for photoelectricity
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821532737.8U CN209043800U (en) | 2018-09-19 | 2018-09-19 | A kind of micro-spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821532737.8U CN209043800U (en) | 2018-09-19 | 2018-09-19 | A kind of micro-spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043800U true CN209043800U (en) | 2019-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821532737.8U Active CN209043800U (en) | 2018-09-19 | 2018-09-19 | A kind of micro-spectrophotometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304878A (en) * | 2019-07-30 | 2021-02-02 | 杭州米欧仪器有限公司 | Spectrophotometer optical fiber head assembly, photometer and method for measuring solution concentration |
-
2018
- 2018-09-19 CN CN201821532737.8U patent/CN209043800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112304878A (en) * | 2019-07-30 | 2021-02-02 | 杭州米欧仪器有限公司 | Spectrophotometer optical fiber head assembly, photometer and method for measuring solution concentration |
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