CN109556724B - Blue light detection device and method for detecting blue light by using same - Google Patents
Blue light detection device and method for detecting blue light by using same Download PDFInfo
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- CN109556724B CN109556724B CN201811276704.6A CN201811276704A CN109556724B CN 109556724 B CN109556724 B CN 109556724B CN 201811276704 A CN201811276704 A CN 201811276704A CN 109556724 B CN109556724 B CN 109556724B
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title abstract description 7
- 238000005286 illumination Methods 0.000 claims abstract description 23
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052740 iodine Inorganic materials 0.000 claims abstract description 13
- 239000011630 iodine Substances 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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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
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
Abstract
The invention discloses a blue light detection device and a method for detecting blue light by using the same, wherein the method comprises the following steps: the blue light emission chamber and the signal acquisition chamber are arranged at intervals on the intermediate connector, the blue light emission chamber and the signal acquisition chamber are both internally hollow boxes, a group of light source generators for emitting blue light are arranged in the blue light emission chamber, the blue light emission chamber is close to a through hole for the blue light emitted by the light source generators to pass through is formed in the inner side wall of one side of the signal acquisition chamber, an illumination sensor for receiving the blue light emitted by the light source generators is arranged in the signal acquisition chamber, the signal acquisition chamber is close to the inner side wall of one side of the blue light emission chamber, and the illumination sensor is externally connected with a microprocessor. The automatic iodine element detector is simple in structure, small in size and convenient to use in the automatic iodine element detector.
Description
Technical Field
The invention relates to the field of iodine element automatic detectors. More particularly, the present invention relates to a blue light detecting apparatus and a method for detecting blue light using the same.
Background
In the iodine element automatic detector, a blue light detection device is required to be used for detecting the time when a sample to be detected in a test tube is changed from blue to red, so that the blue light detection device is required to accurately capture the moment when blue is changed into red. In the current market, most devices which can be used for blue light detection in function are complex in structure and need to be realized by using various parts, and the devices cannot be used on an automatic iodine element detector well in structure and function, so that the inventor develops a blue light detection device with a simple structure.
Disclosure of Invention
The invention aims to provide a blue light detection device and a method for detecting blue light by using the same.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a blue light detecting device including: the blue light emission chamber and the signal acquisition chamber are arranged at intervals on the intermediate connector, the blue light emission chamber and the signal acquisition chamber are both internally hollow boxes, a group of light source generators for emitting blue light are arranged in the blue light emission chamber, the blue light emission chamber is close to a through hole for the blue light emitted by the light source generators to pass through is formed in the inner side wall of one side of the signal acquisition chamber, an illumination sensor for receiving the blue light emitted by the light source generators is arranged in the signal acquisition chamber, the signal acquisition chamber is close to the inner side wall of one side of the blue light emission chamber, and the illumination sensor is externally connected with a microprocessor.
Further, the light source generator is a light emitting diode.
A blue light detection method using a blue light detection device as described in any one of the above, the detection method mainly comprising the steps of:
vertically placing a test tube filled with a sample to be detected with a quantitative volume on the intermediate connector and between the blue light emitting chamber and the signal acquisition chamber;
step two, starting the iodine element blue light detection device, wherein the light source generator emits blue light, the blue light emitted by the light source generator passes through the through hole to irradiate on the test tube and passes through the sample in the test tube to irradiate on the illumination sensor, the illumination sensor receives an optical signal and outputs a voltage signal V0To the microprocessor;
adding a color developing agent with a certain volume into the test tube, quickly shaking up to fully mix the color developing agent with a sample to be tested, and reacting; at the initial stage of reaction, the sample to be detected in the test tube is blue, the blue light emitted by the light source generator can pass through the sample in the test tube, and the microprocessor collects the voltage signal V output by the illumination sensor1(ii) a With the prolonging of the reaction time, the color of the sample to be detected in the test tube is changed from blue to red, the blue light emitted by the light source generator cannot penetrate through the sample in the test tube, the illumination sensor receives the interruption of the light signal, and the microprocessor collects the voltage signal V output by the illumination sensor at the moment2。
And step four, analyzing different voltage signal values acquired by the microprocessor, and accurately capturing the moment when the color blue of the sample to be detected is converted into the color red.
The invention has the beneficial effects that: the blue light detection device provided by the invention is simple in structure and small in size, can be conveniently used in an iodine element automatic detector to measure the concentration of iodine elements in a sample to be detected, and has the advantages of high detection sensitivity, high detection precision, simplicity in operation, long service life and the like.
Drawings
Fig. 1 is a schematic structural diagram of a blue light detection device according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides a blue light detection device, including: intermediate junction body 1, blue light launching room 2 and signal acquisition room 3, blue light launching room 2 with signal acquisition room 3 interval sets up on the intermediate junction body 1, blue light launching room 2 with signal acquisition room 3 is inside hollow box, be equipped with a set of light source generator 4 that sends the blue light in the blue light launching room 2, blue light launching room 2 is close to it has a through-hole 6 that can supply the blue light that light source generator 4 sent to pass through to open on one side inside wall of signal acquisition room 3, be equipped with the illuminance sensor 5 that is used for receiving the light source of light source generator 4 light source in the signal acquisition room 3, illuminance sensor 5's response portion passes signal acquisition room 3 is close to one side inside wall of blue light reflecting room 2, the external microprocessor of illuminance sensor 5.
In the above embodiment, the intermediate connector 1 is rectangular, the blue light emitting chamber 2 and the signal collecting chamber 3 are arranged on the upper end surface of the intermediate connector 1 at intervals, and the intermediate connector 1, the blue light emitting chamber 2 and the signal collecting chamber 3 are all integrally formed; a constant current driving circuit is further arranged in the blue light emitting chamber 2 and used for providing electric energy for the power supply generator 4, the constant current driving circuit is electrically connected with an external power supply through a wire, and a notch allowing a power supply line to extend out is further formed in the side wall of one side of the blue light emitting chamber 2; the device utilizes a small-hole imaging principle to focus scattered blue light emitted by a light source generator 4 in a blue light emitting chamber 2 into blue light spots through a through hole 6 to irradiate on the induction patch of an illumination sensor 5, an optical signal received by the illumination sensor 5 is sent to a microprocessor, and the microprocessor collects and processes the signal. The illuminance sensor 5 is externally connected with a 5V power supply, the illuminance sensor 5 comprises a photoresistor R2, a resistor R1, a photoresistor protective cover, a filter, a spacing column and a resistance-voltage conversion circuit, the electrical connection relation of the illuminance sensor 5 is the prior art, and details are not repeated herein; wherein the photo resistance is used for the blue light intensity to detect, and the filter is used for the miscellaneous light of filtering more than 620nm to improve blue light and detects stability, and protection casing, space post are used for protecting the photo resistance, and resistance-voltage conversion circuit can change the photo resistance into voltage signal, the photo resistance model is photo resistance G5528, illuminance sensor 5 has advantages such as with low costs, the response is fast, sensitivity is high and convenient to use.
Preferably, the light source generator 4 is a light emitting diode.
In the embodiment, the LED capable of generating the blue light with the peak wavelength of 460-470 nm is selected as the LED, the monochromatic LED can generate the blue light with the peak wavelength meeting the requirement without any other filter, and the LED has the advantages of low price and long service life. In order to protect the light emitting diode and prolong the service life of the light emitting diode, a TVS transient tube is arranged on the light emitting diode.
A blue light detection method using a blue light detection device as described in any of the above embodiments, the detection method mainly comprising the following steps:
vertically placing a test tube filled with a sample to be detected with a quantitative volume on the intermediate connector 1 and between the blue light emitting chamber 2 and the signal acquisition chamber 3;
step two, starting the iodine element blue light detection device, wherein the light source generator 4 emits blue light, the blue light emitted by the light source generator 4 passes through the through hole 6 to irradiate on the test tube, passes through the sample in the test tube to irradiate on the illumination sensor 5, the illumination sensor 5 receives an optical signal and outputs a voltage signal V0To the microprocessor;
adding a color developing agent with a certain volume into the test tube, quickly shaking up to fully mix the color developing agent with a sample to be tested, and reacting; at the initial stage of the reaction, the sample to be detected in the test tube is blue, the blue light emitted by the light source generator 4 can pass through the sample in the test tube, and the microprocessor acquires the voltage signal V output by the illumination sensor 5 at the moment1(ii) a With the prolonging of the reaction time, the color of the sample to be detected in the test tube is changed from blue to red, the blue light emitted by the light source generator 4 cannot penetrate through the sample in the test tube, the illumination sensor 5 receives the interruption of the light signal, and the microprocessor acquires the voltage signal V output by the illumination sensor 5 at the moment2。
And step four, analyzing different voltage signal values acquired by the microprocessor, and accurately capturing the moment when the color blue of the sample to be detected is converted into the color red.
In the detection method, an experimenter can accurately capture the moment when the color of the sample to be detected is changed from blue to red by monitoring the voltage signal through the microprocessor, so that the color change time of the sample to be detected can be obtained, and the concentration of the iodine element in the sample to be detected can be calculated according to the color change time of the sample to be detected.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein but only by the illustrations/examples shown and described without departing from the general concepts defined by the claims and their equivalents.
Claims (2)
1. A blue light detection device for determining the concentration of iodine element in a sample to be detected containing iodine element, comprising: the blue light emitting chamber (2) and the signal collecting chamber (3) are arranged on the intermediate connecting body (1) at intervals, the blue light emitting chamber (2) and the signal collecting chamber (3) are both internally hollow boxes, a group of light source generators (4) emitting blue light are arranged in the blue light emitting chamber (2), a through hole (6) for passing the blue light emitted by the light source generators (4) is formed in the inner side wall of one side, close to the signal collecting chamber (3), of the blue light emitting chamber (2), an illumination sensor (5) used for receiving the blue light emitted by the light source generators (4) is arranged in the signal collecting chamber (3), an induction part of the illumination sensor (5) penetrates through the inner side wall of one side, close to the blue light emitting chamber (2), of the signal collecting chamber (3), the illuminance sensor (5) is externally connected with a microprocessor; the detection method mainly comprises the following steps:
vertically placing a test tube filled with a sample to be detected with a quantitative volume on the intermediate connector (1) and between the blue light emitting chamber (2) and the signal acquisition chamber (3);
step two, starting the iodine element blue light detection device, wherein the light source generator (4) emits blue light, the blue light emitted by the light source generator (4) passes through the through hole (6) to irradiate on the test tube and passes through a sample in the test tube to irradiate on the illumination sensor (5), the illumination sensor (5) receives a light signal and outputs a voltage signal V0To the microprocessor;
adding a color developing agent with a certain volume into the test tube, quickly shaking up to fully mix the color developing agent with a sample to be tested, and reacting; at the beginning of the reactionIn the test tube, a sample to be detected in the test tube is blue, blue light emitted by the light source generator (4) can penetrate through the sample in the test tube, and the microprocessor collects a voltage signal V output by the illumination sensor (5) at the moment1(ii) a With the prolonging of the reaction time, the color of the sample to be detected in the test tube is changed from blue to red, the blue light emitted by the light source generator (4) cannot penetrate through the sample in the test tube, the illumination sensor (5) receives the light signal to be interrupted, and the microprocessor acquires the voltage signal V output by the illumination sensor (5)2；
And step four, analyzing different voltage signal values acquired by the microprocessor, and accurately capturing the moment when the color of the sample to be detected is changed from blue to red.
2. A blue light detection device according to claim 1, characterized in that the light source generator (4) is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276704.6A CN109556724B (en) | 2018-10-30 | 2018-10-30 | Blue light detection device and method for detecting blue light by using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811276704.6A CN109556724B (en) | 2018-10-30 | 2018-10-30 | Blue light detection device and method for detecting blue light by using same |
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| Publication Number | Publication Date |
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| CN109556724A CN109556724A (en) | 2019-04-02 |
| CN109556724B true CN109556724B (en) | 2020-04-28 |
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| CN109959656B (en) * | 2019-04-10 | 2020-08-07 | 长沙塞克陆德医疗科技有限公司 | Method, equipment and system for automatically detecting concentration of iodine element |
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| US7179653B2 (en) * | 2000-03-31 | 2007-02-20 | Showa Denko K.K. | Measuring method for concentration of halogen and fluorine compound, measuring equipment thereof and manufacturing method of halogen compound |
| CN205808930U (en) * | 2016-04-28 | 2016-12-14 | 钱金维 | A kind of optical detection device |
| CN108489977A (en) * | 2018-03-27 | 2018-09-04 | 张治国 | A kind of multi-functional medicine detection module and its detection method |
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