CN103149161A - Device for detecting color of water-soluble acid solution - Google Patents
Device for detecting color of water-soluble acid solution Download PDFInfo
- Publication number
- CN103149161A CN103149161A CN2013100640643A CN201310064064A CN103149161A CN 103149161 A CN103149161 A CN 103149161A CN 2013100640643 A CN2013100640643 A CN 2013100640643A CN 201310064064 A CN201310064064 A CN 201310064064A CN 103149161 A CN103149161 A CN 103149161A
- Authority
- CN
- China
- Prior art keywords
- monochromatic light
- unit
- control module
- color
- strong control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention belongs to the field of a device for detecting the pH value of water-soluble acid of transformer oil and turbine oil during running, and particularly relates to a device for detecting the color of a water-soluble acid solution; the device is characterized by comprising a white light constant-strong control unit, a monochromatic light separating unit, a monochromatic light constant-strong control unit, a monochromatic light intensity adjusting unit, a data detection unit and a data processing and control unit, wherein the output end of the white light constant-strong control unit just faces the input end of the monochromatic light separating unit; the output end of the monochromatic light separating unit respectively just faces the input ends of the monochromatic light constant-strong control unit and the monochromatic light intensity adjusting unit; the output ends of the monochromatic light constant-strong control unit and the monochromatic light intensity adjusting unit are connected with the input end of the data detection unit; and the output end of the data detection unit is connected with the input end of the data processing and control unit. The device has the advantages of being small in measuring error possibility, high in efficiency, high in test strength and high in stability.
Description
Technical field
The invention belongs to the water soluble acid pH value pick-up unit field of transformer oil in service, steam turbine oil, be specifically related to a kind of water soluble acid the color of the solution pick-up unit.
Background technology
The water soluble acid pH value of transformer oil in service, steam turbine oil is the important indicator that power supply system is weighed equipment operation condition.
Known transformer oil in service, turbine oil water solubility acid PH determination method are the manpower comparing color methods, method of testing is: the color parameter in first record standard sample after titrate indicator, again the indicator solution titration entered to measure solution and detect its color, then with the Standard Colors parameter comparison of record, utilize the mode of tabling look-up etc. to calculate pH value.Have the factors such as difference of testing crew eyes colour vision when carrying out color contrast in this kind experimental technique, cause experiment abberation larger, repeatability is relatively poor.All need regularly replace due to PH standard solution and titrate indicator solution simultaneously, and always have human error during preparation, this has just aggravated a large amount of deviations of color detection result more, makes test have multiple uncertainty.
for this problem, the automatic type testing tool of human eye has appearred replacing with optical element at present, during this kind method, only need standard solution of preparation, with its standard value storage, only need afterwards the periodic replacement indicator to get final product, this mode has effectively improved work efficiency, accuracy and repeatability, but simultaneously, still existence of indicator deviation due to this test mode, and the testing circuit of this kind mode all adopts optical element, light decay, sensor is aging, device stability, the factors such as environment all may shine into sampling error and mistake, sometimes error is even also large than manual result, thereby, be badly in need of at present a kind of pick-up unit that can overcome the sample deviation and improve optical stability.
Summary of the invention
Deviation and stability problem when the objective of the invention is to solve present water soluble acid indicator solution color and automatically detecting, overcome the defective that color detection means can't guarantee precision, stability, a kind of water soluble acid the color of the solution pick-up unit is provided, it utilizes monochromatic light to separate and the permanently strong commercial measurement water soluble acid of monochromatic light indicator solution color, by real-time control and adjustment monochromatic light, make pick-up unit avoid light decay, environment factor etc. on the impact of test.
The present invention is achieved through the following technical solutions:
it is a kind of water soluble acid the color of the solution pick-up unit, it is characterized in that comprising the permanently strong control module of white light, the monochromatic light separative element, the permanently strong control module of monochromatic light, monochromatic light ray is emphasized whole unit, Data Detection unit and data processing and control element (PCE), the output terminal of the permanently strong control module of described white light is over against the input end of monochromatic light separative element, the output terminal of monochromatic light separative element is respectively over against the permanently strong control module of monochromatic light, monochromatic light ray is emphasized the input end of whole unit, the permanently strong control module of described monochromatic light, the input end that the output terminal that monochromatic light ray is emphasized whole unit is connected with the Data Detection unit connects, the output terminal of Data Detection unit is connected with the input end of data processing and control element (PCE).
The permanently strong control module of white light of the present invention is comprised of constant current source, photoelectric control circuit and white light-emitting diodes.
Constant current source is comprised of 2.5V constant voltage chip and 2K measuring resistance, produces constant 2.5V voltage by the constant voltage chip, is applied to standard resistor at two terminals, thereby generates steady current.The constant current source model can be selected REF192, LM336-2.5 etc.
Photoelectric control circuit is comprised of the 1K metalfilmresistor that triode and is connected to transistor base, is used for controlling the switch of white light-emitting diodes.Its two ends connect respectively constant current source and white light-emitting diodes, and the triode model is optional with C9012, C9013, C1815 etc.
Monochromatic light separative element of the present invention is comprised of colorimetric container and 3 optical filters, and described 3 optical filters are respectively optical filter R, optical filter G, optical filter B, and its color is respectively red, green, blue.
It is fixed value that wherein a shade that the present invention is separated by the monochromatic light separative element is inputted the permanently strong control module of monochromatic light constant, other two color light input monochromatic light ray is emphasized that whole unit adjusts, make itself and constant monochromatic light intensity difference, remain unchanged before and after adjusting.
The permanently strong control module of monochromatic light is comprised of the amplifying circuit with feedback, and when light intensity changed, feedback circuit was adjusted automatically, made output intensity constant, and the amplifying circuit model can be selected: OP07, AD623 etc.
Monochromatic light ray emphasizes that whole unit is comprised of amplifier and digital regulation resistance, by the enlargement factor of digital regulation resistance control amplifier, thus the desired value of obtaining.Amplifier can be selected OP07, LM358 etc., and digital regulation resistance can be selected: X9312, X9C103 etc.
The Data Detection unit is ripe detection chip, and the chip input end is detection signal, and output terminal can directly read the detection data.Can select model: TLC2543, AD7705 etc.
The data processing and control element (PCE) is programmable arm processor, can process the data analysis that the data detecting unit reads, and carry out relevant control according to its result.Its model can be selected LPC2114, LM3S1601.
Principle of work of the present invention is as follows:
White light is through after sample, separate its effective monochromatic light by optical filter, then a kind of monochromatic light wherein being carried out constant intensity processes, to adjust other monochromatic light light intensity when processing, other monochromatic light intensity and the difference between it are remained unchanged before and after adjusting, after processing, by the Data Detection unit each coloured light being analyzed, calculated and processes.
Characteristics of the present invention are as follows:
1) adopt current constant mode to control light source, avoid the impact of the factors such as light decay and environment
2) separated by optical filter through the light after the colorimetric container, each monochromatic light is processed respectively
3) get one in three kinds of monochromatic light, it is carried out constant intensity process, guarantee that simultaneously other two kinds of monochromatic light intensity remain unchanged with its difference before and after processing.
4) monochromatic light ray emphasize whole after, because wherein a monochromatic light is constant, can not calculate, only need detect and computing other two kinds of coloured light, this has greatly reduced the test intensity of measuring error and system
The present invention has following advantage:
1) because carrying out in real time the processing of light intensity, the test error that can effectively avoid the factors such as light decay, environmental impact to shine;
When 2) light after the adjustment detects, because wherein a monochromatic light is constant, only need detect and computing other two kinds of coloured light, this has greatly reduced the test intensity of measuring error and system, and has improved stability.
Find in actual test, limited between the chromatic zones of use in the water soluble acid test, utilize the present invention even can be reduced to only to detect a monochromatic light just can, greatly improved efficient.
Description of drawings
Fig. 1 is theory diagram of the present invention;
Fig. 2 is the theory diagram of the permanently strong control module of white light of the present invention;
Fig. 3 is constant current source and photoelectric control circuit theory diagrams partly in the permanently strong control module of white light of the present invention;
Fig. 4 is the theory diagram of monochromatic light separative element of the present invention;
Fig. 5 is the schematic diagram that the present invention uses front two monochromatic light light intensity;
Fig. 6 is the schematic diagram that the present invention uses rear two monochromatic light light intensity;
Fig. 7 is the circuit theory diagrams of Data Detection of the present invention unit and data processing and control element (PCE).
Embodiment
The present invention is further elaborated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1: the output terminal of the permanently strong control module of white light is over against the input end of monochromatic light separative element, the output terminal of monochromatic light separative element is emphasized respectively the input end of whole unit over against the permanently strong control module of monochromatic light, monochromatic light ray, the input end that the output terminal that the permanently strong control module of described monochromatic light, monochromatic light ray are emphasized whole unit is connected with the Data Detection unit connects, and the output terminal of Data Detection unit is connected with the input end of data processing and control element (PCE).
As shown in Figure 2: the permanently strong control module of white light is comprised of constant current source, photoelectric control circuit and white light-emitting diodes.
Fig. 3 is constant current source and photoelectric control circuit theory diagrams partly in the permanently strong control module of white light of the present invention;
As shown in Figure 4: monochromatic light separative element of the present invention is comprised of colorimetric container and 3 optical filters, and described 3 optical filters are respectively optical filter R, optical filter G, optical filter B, and its color is respectively red, green, blue.
It is fixed value that wherein a shade that the present invention is separated by the monochromatic light separative element is inputted the permanently strong control module of monochromatic light constant, other two color light input monochromatic light ray is emphasized that whole unit adjusts, make itself and constant monochromatic light intensity difference, remain unchanged before and after adjusting.
Fig. 5 is that the present invention uses front two monochromatic schematic diagram.
Fig. 6 is that the present invention uses rear two monochromatic schematic diagram.
Fig. 7 is the circuit theory diagrams of Data Detection of the present invention unit and data processing and control element (PCE).
During work of the present invention
the white light that the permanently strong control module of white light sends is through after sample, optical filter by the monochromatic light separative element separates its effective monochromatic light, then the permanently strong control module of a kind of monochromatic light input monochromatic light wherein being carried out constant intensity processes, other two kinds of monochromatic light input monochromatic light ray emphasizes that whole unit adjusts, other monochromatic light intensity and the difference between it are remained unchanged before and after adjusting, after processing, by the Data Detection unit, the data processing and control element (PCE) is analyzed each coloured light, calculate and process, and according to the result of computing, other unit is repaired and controlled.
Claims (4)
1. water soluble acid the color of the solution pick-up unit, it is characterized in that comprising the permanently strong control module of white light, the monochromatic light separative element, the permanently strong control module of monochromatic light, monochromatic light ray is emphasized whole unit, Data Detection unit and data processing and control element (PCE), the output terminal of the permanently strong control module of described white light is over against the input end of monochromatic light separative element, the output terminal of monochromatic light separative element is respectively over against the permanently strong control module of monochromatic light, monochromatic light ray is emphasized the input end of whole unit, the permanently strong control module of described monochromatic light, the input end that the output terminal that monochromatic light ray is emphasized whole unit is connected with the Data Detection unit connects, the output terminal of Data Detection unit is connected with the input end of data processing and control element (PCE).
2. water soluble acid the color of the solution pick-up unit according to claim 1, is characterized in that the permanently strong control module of white light is comprised of constant current source, photoelectric control circuit and white light-emitting diodes.
3. water soluble acid the color of the solution pick-up unit according to claim 1, it is characterized in that the monochromatic light separative element is comprised of colorimetric container and 3 optical filters, described 3 optical filters are respectively optical filter R, optical filter G, optical filter B, and its color is respectively red, green, blue.
4. water soluble acid the color of the solution pick-up unit according to claim 1, it is characterized in that it is fixed value that the wherein a shade that is separated by the monochromatic light separative element is inputted the permanently strong control module of monochromatic light constant, other two color light input monochromatic light ray is emphasized that whole unit adjusts, make itself and constant monochromatic light intensity difference, remain unchanged before and after adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100640643A CN103149161A (en) | 2013-02-28 | 2013-02-28 | Device for detecting color of water-soluble acid solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100640643A CN103149161A (en) | 2013-02-28 | 2013-02-28 | Device for detecting color of water-soluble acid solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103149161A true CN103149161A (en) | 2013-06-12 |
Family
ID=48547366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100640643A Pending CN103149161A (en) | 2013-02-28 | 2013-02-28 | Device for detecting color of water-soluble acid solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103149161A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518892A (en) * | 1991-07-09 | 1993-01-26 | Kurabo Ind Ltd | Determination of iodine value and acid value of fats and oils |
| CN201007709Y (en) * | 2006-11-08 | 2008-01-16 | 刘丽勇 | Transformer oil, turbine oil water solubility acid PH value color comparator |
| CN201203610Y (en) * | 2008-05-07 | 2009-03-04 | 商丘市恒生电子仪器有限公司 | Device for determining turbine oil transformer oleic acid value |
| US20090216464A1 (en) * | 2008-02-21 | 2009-08-27 | Korea Institute Of Science & Technology | Integrated in-line oil monitoring apparatus |
| CN203148834U (en) * | 2013-02-28 | 2013-08-21 | 江苏汇杰电气有限公司 | Color detection device of water-soluble acid solution |
-
2013
- 2013-02-28 CN CN2013100640643A patent/CN103149161A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518892A (en) * | 1991-07-09 | 1993-01-26 | Kurabo Ind Ltd | Determination of iodine value and acid value of fats and oils |
| CN201007709Y (en) * | 2006-11-08 | 2008-01-16 | 刘丽勇 | Transformer oil, turbine oil water solubility acid PH value color comparator |
| US20090216464A1 (en) * | 2008-02-21 | 2009-08-27 | Korea Institute Of Science & Technology | Integrated in-line oil monitoring apparatus |
| CN201203610Y (en) * | 2008-05-07 | 2009-03-04 | 商丘市恒生电子仪器有限公司 | Device for determining turbine oil transformer oleic acid value |
| CN203148834U (en) * | 2013-02-28 | 2013-08-21 | 江苏汇杰电气有限公司 | Color detection device of water-soluble acid solution |
Non-Patent Citations (1)
| Title |
|---|
| 安华高科技: "认识RGB色彩传感器", 《电子与电脑》, 30 September 2006 (2006-09-30) * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103841726B (en) | The real-time adjusting device of light-source brightness and method of adjustment thereof in pole piece defects detection | |
| WO2021057230A1 (en) | Color identification-based water quality detection method, apparatus and device, and storage medium | |
| CN203203770U (en) | Valve body leakage test system | |
| CN102967888B (en) | Based on the automobile connecting bar splitter detection system of machine vision | |
| CN206920024U (en) | Colour of insulated conductor sequencing system | |
| CN201364379Y (en) | Air pressure switch multi-parameter auto-detection system | |
| CN105719280A (en) | P-type gluing visual detection method | |
| CN103777524A (en) | Method and device for controlling black tea moderate fermentation based on visible spectrum technology | |
| CN102300100A (en) | White balance control device and method | |
| CN108196157B (en) | Parameter and fault detection device and method for current sensor module | |
| CN202267594U (en) | Three-dimensional (3D) glasses testing device | |
| CN109461156A (en) | The threaded closure plug assembly and detection method of view-based access control model | |
| CN106841989A (en) | A kind of cmos sensor method of testing | |
| CN105572080A (en) | Non-contact automatic float glass tin surface recognition device and method | |
| CN108732524A (en) | A kind of the automation Calibration Circuit and system of forming and capacity dividing test power supply | |
| CN203148834U (en) | Color detection device of water-soluble acid solution | |
| CN105371955B (en) | A kind of dye aberration detection device and detection method | |
| CN108801957B (en) | Biochemical substance detection instrument based on optical method and calibration method thereof | |
| CN106932099B (en) | A kind of multispectral Online color-difference measurement instrument and its application | |
| CN103149161A (en) | Device for detecting color of water-soluble acid solution | |
| CN108593113A (en) | A kind of processing method and system of color identification | |
| CN102169030A (en) | Automatic detection device of forklift meter assembly | |
| CN102013624A (en) | Automatic debugging method for optical eye diagram of optical module | |
| CN206740243U (en) | A kind of multispectral Online color-difference measurement instrument | |
| CN204313793U (en) | A kind of device of non-contact detection workpiece form and position tolerance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130612 |