CN209802967U - Dustproof colorimeter - Google Patents
Dustproof colorimeter Download PDFInfo
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- CN209802967U CN209802967U CN201920602111.8U CN201920602111U CN209802967U CN 209802967 U CN209802967 U CN 209802967U CN 201920602111 U CN201920602111 U CN 201920602111U CN 209802967 U CN209802967 U CN 209802967U
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- colorimetric pool
- photoelectric sensor
- digestion
- digestion colorimetric
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Abstract
The utility model discloses a dustproof colorimeter, which comprises a digestion colorimetric pool, wherein a measuring light source and a photoelectric sensor are arranged on the periphery of the digestion colorimetric pool, measuring light coming out of the measuring light source sequentially passes through a closed measuring light channel, the digestion colorimetric pool and a closed photoelectric sensor channel and reaches the photoelectric sensor, and an outlet of the measuring light channel and an inlet of the photoelectric sensor channel are positioned on the same axis; the outlet of the measuring optical channel is in close contact with the outer wall of the digestion colorimetric pool, and the inlet of the photoelectric sensor channel is in close contact with the outer wall of the digestion colorimetric pool. The measuring light channel and the photoelectric sensor channel are arranged in a closed structure, the outlet of the measuring light channel is in close contact with the outer wall of the digestion colorimetric pool, the inlet of the photoelectric sensor channel is in close contact with the outer wall of the digestion colorimetric pool, external dust cannot enter the light channel used for spectrophotometry, most regions of the digestion colorimetric pool are still in contact with the outside, and therefore the cooling efficiency of the digestion colorimetric pool cannot be influenced.
Description
Technical Field
The utility model belongs to the technical field of the analysis detects, especially relate to a dustproof colorimeter.
background
When the analysis appearance was measured at spectrophotometry, often need heat to clear up the back and carry out spectrophotometry's measurement again, if heat digestion device and spectrophotometry colorimetric pool adopt different devices, often need wash water to heat digestion device and spectrophotometry colorimetric pool and wash respectively, this will waste a large amount of sparge water, makes equipment structure become more complicated simultaneously. In order to solve the problems, the conventional method is to combine the digestion heating device and the spectrophotometric colorimetric pool into a whole, namely the digestion heating device is made of a glass vessel with a heating wire wound on the outer wall, and when the digestion heater is used for high-temperature digestion or after the digestion heater is cooled, the spectrophotometric measurement is directly completed by a measuring light source and a photoelectric sensor which are arranged on two sides of the digestion heater, at the moment, the digestion heater is also the spectrophotometric colorimetric pool at the same time, and the digestion heater is called as the spectrophotometric colorimetric pool in the following general terms. Because the digestion cuvettes often have high temperatures, cooling is often required prior to removal of the internal liquid, typically by a fan located adjacent to the digestion cuvettes. When the fan is used for cooling the digestion colorimetric pool, external dust and the like are often blown to the outer wall of the digestion colorimetric pool, the added dust is gradually attached to the outer wall of the digestion colorimetric pool, the spectrophotometric value of the digestion colorimetric pool is inevitably attenuated, and the measured spectrophotometric value is further unstable and finally affects the stability and reliability of a measured value. If the digestion cuvettes are sealed completely, although the effect of external dust can be solved, it is obvious that this greatly affects the cooling efficiency.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a when not influencing digestion colorimetric pool cooling efficiency, overcome external dust to the dustproof color comparator of spectrophotometry color influence.
in order to solve the technical problem, the utility model adopts the technical scheme that the dustproof colorimeter comprises a digestion colorimetric pool, wherein a measuring light source and a photoelectric sensor are arranged on the periphery of the digestion colorimetric pool, measuring light from the measuring light source sequentially passes through a closed measuring light channel, the digestion colorimetric pool and a closed photoelectric sensor channel and reaches the photoelectric sensor, and an outlet of the measuring light channel and an inlet of the photoelectric sensor channel are positioned on the same axis; the outlet of the measuring optical channel is in close contact with the outer wall of the digestion colorimetric pool, and the inlet of the photoelectric sensor channel is in close contact with the outer wall of the digestion colorimetric pool.
The measuring light channel and the photoelectric sensor channel are arranged in a closed structure, the outlet of the measuring light channel and the inlet of the photoelectric sensor channel are positioned on the same axis, the outlet of the measuring light channel is in close contact with the outer wall of the digestion colorimetric pool, the inlet of the photoelectric sensor channel is in close contact with the outer wall of the digestion colorimetric pool, external dust cannot enter the light channel (the channel formed by the measuring light source and the photoelectric sensor channel) used for spectrophotometry, and therefore the problems that the spectrophotometry value is attenuated and unstable due to the dust are solved, and only the part of the light channel used for measurement is protected, most of the region of the digestion colorimetric pool is still in contact with the outside, and therefore the cooling efficiency of the digestion colorimetric pool cannot be influenced.
Preferably, the measuring light channel and the photoelectric sensor channel are optical fiber light guide beams or glass light guide rods, one side of each light guide beam or each light guide rod is in close contact with the outer wall of the cuvette, and the other side of each light guide beam or each light guide rod is communicated with the measuring light source or the photoelectric sensor.
The optical fiber light guide bundle or the glass light guide rod is completely closed and is used as a closed measuring light channel and a photoelectric sensor channel, so that the material is convenient to obtain, and the application range is wide.
preferably, one part of the measuring light channel is a first dustproof baffle, the inner side of the first dustproof baffle is communicated with the measuring light channel, and the outer side of the first dustproof baffle is in close contact with the outer wall of the digestion colorimetric pool; one part of the photoelectric sensor channel is a second dustproof baffle, the inner side of the second dustproof baffle is communicated with the photoelectric sensor channel, and the outer side of the second dustproof baffle is in close contact with the outer wall of the digestion colorimetric pool.
One of them part that will measure light passageway and photoelectric sensor passageway sets up to dustproof baffle, and the color comparator adjustment of being convenient for is joined in marriage the equipment, and adopts such structure, and dustproof baffle can adopt more flexible material and outer wall in close contact with, and dustproof effect is better.
Preferably, the first dustproof baffle and the second dustproof baffle are identical in structure, the middle parts of the first dustproof baffle and the second dustproof baffle are provided with closed channels for light beams to pass through, and the parts of the outer sides of the first dustproof baffle and the second dustproof baffle, which are in close contact with the outer wall of the digestion colorimetric pool, are arc-shaped; the arc-shaped structure is assembled with the digestion colorimetric pool.
Preferably, the first dustproof baffle and the second dustproof baffle are made of temperature-resistant flexible materials.
Preferably, the digestion colorimetric pool is arranged in the digestion colorimetric pool bracket; the digestion colorimetric pool is composed of a glass heating pipe, and a heating wire is wound on the outer wall of the glass heating pipe; the digestion colorimetric pool has various structures, and the inventor finds that the glass heating pipe is used as the digestion colorimetric pool, and light coming from the incident light channel can completely enter the emergent light channel after penetrating through the digestion colorimetric pool, so that the measurement result is almost not influenced.
Preferably, a plurality of mounting holes for mounting cooling fans are distributed on the digestion colorimetric pool bracket from top to bottom; the measuring light source is arranged in the measuring light source support, and the photoelectric sensor is arranged in the photoelectric sensor support.
Preferably, the upper end of the digestion colorimetric pool support is provided with an air vent, and the air vent is connected with an air vent solenoid valve; the ventilation electromagnetic valve is arranged above the digestion colorimetric pool bracket; the vent is used for adjusting the air pressure in the glass heating tube, and ensures that the sample liquid can be smoothly added into the digestion colorimetric pool.
Preferably, a cooling fan is arranged in the digestion colorimetric pool bracket and outside the glass heating pipe.
Drawings
The following is a more detailed description of embodiments of the present invention with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of the basic structure of a colorimeter;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic view of the colorimeter having the arc-shaped dust-proof baffle of the present invention;
FIG. 4 is a schematic top view of the structure of FIG. 3;
FIG. 5 is a schematic view of the measurement light source holder on the right side of FIG. 3;
FIG. 6 is a schematic top view of the structure of FIG. 5;
FIG. 7 is a schematic view of the arcuate dust shield of FIG. 3;
FIG. 8 is a schematic top view of the structure of FIG. 7;
Wherein: 1-liquid inlet; 2-digesting the colorimetric pool support; 3-a cooling fan; 4-glass heating tube; 5-measuring the light source bracket; 6-measuring the light source; 7-heating wires; 8-a ventilation electromagnetic valve; 9-a photosensor mount; 10-a photosensor; 11-a vent; 12-a first dust guard; 13-measuring the light source channel; 14-a photoelectric sensing channel; 15-arc dustproof baffle passage; 16-mounting holes; 17-second dust guard.
Detailed Description
The utility model discloses a dustproof colorimeter is including dispelling colorimetric pool 4 (the glass heating pipe is as dispelling the colorimetric pool), it is provided with measuring light source 6 and photoelectric sensor 10 to dispel the colorimetric pool 4 periphery, the measuring light that comes out from measuring light source 6 passes through inclosed measuring light passageway 13, dispels colorimetric pool (glass heating pipe 4) and inclosed photoelectric sensor passageway 14 in proper order and reaches photoelectric sensor 10, measuring light passageway 13 export with photoelectric sensor passageway 14 entry is located the same axis; the outlet of the measuring light channel 13 is closely contacted with the outer wall of the digestion colorimetric pool 4, and the inlet of the photoelectric sensor channel 14 is closely contacted with the outer wall of the digestion colorimetric pool 4.
As shown in fig. 1 and 2, the colorimeter comprises a liquid inlet 1 and a digestion colorimetric pool bracket 2, wherein the liquid inlet 1 is positioned below the digestion colorimetric pool bracket 2; a glass heating pipe 4 is arranged in the digestion colorimetric pool bracket 2, and a heating wire 7 is wound on the outer wall of the glass heating pipe 4; the upper end of the digestion colorimetric pool bracket 2 is provided with an air vent 11; a measuring light source bracket 5 and a photoelectric sensor bracket 9 are respectively arranged on two sides of the digestion colorimetric pool bracket 2, wherein a measuring light source 6 is arranged in the measuring light source bracket 5, and a photoelectric sensor 10 is arranged in the photoelectric sensor bracket 9; a plurality of mounting holes 16 for mounting cooling fans 3 are distributed on the digestion colorimetric pool bracket 2 from top to bottom; the vent 11 is connected with a vent electromagnetic valve 8; the ventilation electromagnetic valve 8 is arranged above the digestion colorimetric pool bracket 2; and a cooling fan 3 is arranged in the digestion colorimetric pool bracket 2 and outside the glass heating pipe 4.
As shown in fig. 3 and 4, a part of the measuring light channel 13 is a first dustproof baffle 12, the inner side of the first dustproof baffle 12 is communicated with the measuring light channel 13, and the outer side is in close contact with the outer wall of the digestion colorimetric pool (glass heating tube 4); one part of the photoelectric sensor channel 14 is a second dustproof baffle 17, the inner side of the second dustproof baffle 17 is communicated with the photoelectric sensor channel 14, and the outer side of the second dustproof baffle 17 is in close contact with the outer wall of the digestion colorimetric pool 4.
The digestion colorimetric pool bracket 2 or the measurement light source bracket 5 and the photoelectric sensor bracket 9 are provided with dustproof baffles; as can be seen from fig. 3 and 4, the dustproof baffle is installed on a measurement light source channel 13 and a photoelectric sensing channel 14 which are formed by the measurement light source 6 and the photoelectric sensor 10, a dustproof baffle channel 15 for passing light beams is arranged in the middle of the dustproof baffle, and the dustproof baffle is made of a temperature-resistant flexible material.
The specific structure of the measurement light source bracket 5 can be clearly seen from fig. 5 and 6, the measurement light source 6 is arranged in the measurement light source bracket 5, the measurement light source 6 is provided with a measurement light source channel 13 along the axial direction thereof, the measurement light source channel 13 is corresponding to a photoelectric sensor channel 14 formed by a photoelectric sensor 10 as can be seen from fig. 3, and on the same axis, an arc-shaped dustproof baffle channel 15 for passing light beams is arranged in the middle of the dustproof baffle, and as can be seen from fig. 3, 5 and 6, the dustproof baffle channel 15 is on the same axis with the measurement light source channel 13 and the photoelectric sensor channel 14; the dustproof baffle is in close contact with the inner wall of the digestion colorimetric pool support 2, and one end of the dustproof baffle close to the glass heating pipe 4 is arc-shaped, and the dustproof baffle is shown in figures 7 and 8 in detail.
when the analysis process begins, opening a ventilation electromagnetic valve 8 at the top of the bracket of the digestion colorimetric pool to enable the vent 11 to be communicated with air, enabling various liquids for analysis to enter the glass heating pipe 4 from the liquid inlet 1, closing the liquid inlet 1 and the vent 11 when digestion begins, starting the cooling fan 3 to cool after heating digestion and color comparison is finished, and opening the liquid inlet 1 and the vent 11 to drain liquid after cooling in the same manner as a liquid inlet manner; due to the arrangement of the dustproof baffle, when the cooling fan 3 is used for cooling the glass heating pipe 4, external dust cannot enter an optical channel (a channel formed by the dustproof baffle channel 15, the measurement light source channel 13 and the photoelectric sensor channel 14) for spectrophotometry, and therefore the problems that the spectrophotometry value is attenuated and unstable due to the dust are solved, the dustproof baffle only protects the optical channel part for measurement, most regions of the colorimeter are still in contact with the cooling region of the cooling fan 3, and the cooling efficiency of the digestion colorimetric pool cannot be influenced.
By adopting the dustproof colorimeter of the embodiment, the influence of external dust on spectrophotometry and color comparison is overcome while the cooling efficiency of the digestion colorimetric pool is not influenced.
the foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and modifications, such as enlarging or reducing in size, or changing in material, or using optical fiber light guide bundle or glass light guide rod as the closed channel, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A dustproof colorimeter comprises a digestion colorimetric pool, wherein a measuring light source and a photoelectric sensor are arranged on the periphery of the digestion colorimetric pool, and the dustproof colorimeter is characterized in that measuring light from the measuring light source sequentially passes through a closed measuring light channel, the digestion colorimetric pool and a closed photoelectric sensor channel and reaches the photoelectric sensor, and an outlet of the measuring light channel and an inlet of the photoelectric sensor channel are positioned on the same axis; the outlet of the measuring optical channel is in close contact with the outer wall of the digestion colorimetric pool, and the inlet of the photoelectric sensor channel is in close contact with the outer wall of the digestion colorimetric pool.
2. The dust-proof colorimeter according to claim 1, wherein the measuring light channel and the photoelectric sensor channel are optical fiber light guide bundles or glass light guide rods, one side of each light guide bundle or each light guide rod is in close contact with the outer wall of the cuvette, and the other side of each light guide bundle or each light guide rod is communicated with the measuring light source or the photoelectric sensor.
3. The dustproof colorimeter according to claim 1, wherein a part of the measurement light channel is a first dustproof baffle, an inner side of the first dustproof baffle is communicated with the measurement light channel, and an outer side of the first dustproof baffle is in close contact with an outer wall of the digestion colorimetric cell; one part of the photoelectric sensor channel is a second dustproof baffle, the inner side of the second dustproof baffle is communicated with the photoelectric sensor channel, and the outer side of the second dustproof baffle is in close contact with the outer wall of the digestion colorimetric pool.
4. The dust-proof colorimeter according to claim 3 wherein the first dust-proof shutter and the second dust-proof shutter are identical in structure, have a closed passage for a light beam therethrough in the middle, and have an arc-shaped outer side portion which is in close contact with the outer wall of the digestion colorimetric cell.
5. The dust-proof colorimeter according to claim 4 wherein the first and second dust-proof baffles are made of a temperature-resistant flexible material.
6. The dust-resistant colorimeter according to any one of claims 1 to 5 wherein the digestion cuvettes are disposed within a digestion cuvette holder; the digestion colorimetric pool is composed of a glass heating pipe, and a heating wire is wound on the outer wall of the glass heating pipe.
7. The dust-proof colorimeter according to claim 6 wherein the measurement light source is mounted in a measurement light source holder and the photosensor is mounted in a photosensor holder.
8. the dustproof colorimeter according to claim 7, wherein a vent is arranged at the upper end of the digestion colorimetric pool bracket, and a vent electromagnetic valve is connected to the vent; and the ventilation electromagnetic valve is arranged above the digestion colorimetric pool bracket.
9. The dust-proof colorimeter according to claim 8 wherein a cooling fan is disposed within the digestion cuvette holder and outside the glass heating tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602111.8U CN209802967U (en) | 2019-04-29 | 2019-04-29 | Dustproof colorimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920602111.8U CN209802967U (en) | 2019-04-29 | 2019-04-29 | Dustproof colorimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209802967U true CN209802967U (en) | 2019-12-17 |
Family
ID=68831474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920602111.8U Active CN209802967U (en) | 2019-04-29 | 2019-04-29 | Dustproof colorimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209802967U (en) |
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2019
- 2019-04-29 CN CN201920602111.8U patent/CN209802967U/en active Active
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