CN104297167B - A kind of water-soluble substances acidity-basicity tester - Google Patents
A kind of water-soluble substances acidity-basicity tester Download PDFInfo
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- CN104297167B CN104297167B CN201410495412.7A CN201410495412A CN104297167B CN 104297167 B CN104297167 B CN 104297167B CN 201410495412 A CN201410495412 A CN 201410495412A CN 104297167 B CN104297167 B CN 104297167B
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- 239000000126 substance Substances 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000012530 fluid Substances 0.000 claims abstract description 42
- 238000004737 colorimetric analysis Methods 0.000 claims abstract description 41
- 238000000926 separation method Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000010355 oscillation Effects 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 235000019198 oils Nutrition 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- FRPHFZCDPYBUAU-UHFFFAOYSA-N Bromocresolgreen Chemical compound CC1=C(Br)C(O)=C(Br)C=C1C1(C=2C(=C(Br)C(O)=C(Br)C=2)C)C2=CC=CC=C2S(=O)(=O)O1 FRPHFZCDPYBUAU-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003196 chaotropic effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- XJRPTMORGOIMMI-UHFFFAOYSA-N ethyl 2-amino-4-(trifluoromethyl)-1,3-thiazole-5-carboxylate Chemical compound CCOC(=O)C=1SC(N)=NC=1C(F)(F)F XJRPTMORGOIMMI-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The present invention provides a kind of water-soluble substances acidity-basicity tester, and this device includes: oscillating unit, heating unit, control unit and photoelectric colorimetry unit；Described control unit is used for controlling described heating unit and heats fluid to be measured, when the temperature of described fluid to be measured arrives the first temperature threshold, controls described oscillating unit and vibrates its interior described fluid to be measured；When described vibration continues the first Preset Time, control described oscillating unit and stop oscillation；When the temperature of described fluid to be measured arrives the second temperature threshold, control described oscillating unit discharge separate liquid, described separation liquid be after oscillation treatment from described fluid to be measured isolated liquid；Described photoelectric colorimetry unit is for receiving the described separation liquid that described oscillating unit is discharged, and described separation liquid is carried out photoelectric colorimetry.
Description
Technical field
The present invention relates to electrical equipment control field, be specifically related to a kind of water-soluble substances acidity-basicity tester.
Background technology
The purpose that water-soluble substances carries out acid-base value test experience is to detect the corrosivity of this material, mesh
Before, laboratory generally uses optical colorimetry to water-soluble soda acid detection, i.e. by chemical reagent and various
Instrument, through a series of heating, reagent allotment, physical reactions, by gained test sample solution with existing
Colorimetric instrument carries out colorimetric, by colourity, draws pH value.
Fig. 1 shows the flow chart of existing water-soluble substances acid-base value detection method, as it is shown in figure 1,
Existing detection method is: experimenter utilizes the devices such as heater to heat fluid to be measured；Work as quilt
When survey liquid is heated to uniform temperature, the hand-held container for accommodating this fluid to be measured of experimenter is gone forward side by side
Row vibration；This fluid to be measured of the most static wait is lowered the temperature；Then take out separation liquid；Last experimenter's profit
Acid-base value with this separation liquid of the tool detection such as test paper.This kind of method intricate operation, and by reagent, join
Medicine process restricts, and detection time length, inefficiency, artificial uncertainty are bigger on experimental result impact.
Summary of the invention
To this end, the present invention provides a kind of water-soluble substances acidity-basicity tester, including: oscillating unit,
Heating unit, control unit and photoelectric colorimetry unit；
Described control unit is used for controlling described heating unit and heats fluid to be measured, when described tested
When the temperature of liquid arrives the first temperature threshold, control described oscillating unit to its interior described fluid to be measured
Vibrate；When described vibration continues the first Preset Time, control described oscillating unit and stop oscillation；
When the temperature of described fluid to be measured arrives the second temperature threshold, control described oscillating unit and discharge separation liquid,
Described separation liquid be after oscillation treatment from described fluid to be measured isolated liquid；
Described photoelectric colorimetry unit is used for receiving the described separation liquid that described oscillating unit is discharged, and to described
Separate liquid and carry out photoelectric colorimetry.
Further, described first temperature threshold is more than 50 DEG C.
Further, described second temperature threshold is less than 30 DEG C.
Further, described first Preset Time is more than 4 minutes.
Further, described control unit control described oscillating unit discharge separation liquid includes:
Described control unit controls described oscillating unit and starts to discharge described separation liquid, and holds in described discharge
During continuous second Preset Time, control described oscillating unit and stop discharge.
Further, described second Preset Time is more than 1 second.
Further, described device also includes: the first adding device, for discharging at described oscillating unit
After separating liquid, in described photoelectric colorimetry unit, add annex solution according to the control signal of described control unit.
Further, described control unit is additionally operable to carry out described separation liquid at described photoelectric colorimetry unit
After photoelectric colorimetry, control described photoelectric colorimetry unit and get rid of described separation liquid therein.
Further, described device also includes: the second adding device, at described photoelectric colorimetry unit
After discharging described separation liquid therein, according to the control signal of described control unit to described photoelectric colorimetry list
Unit adds cleaning fluid.
The water-soluble substances acidity-basicity tester that the present invention provides utilizes control unit to oscillating unit, heating
Unit and photoelectric colorimetry unit carry out Based Intelligent Control, it is achieved the profit of fluid to be measured is automatically separated, it is to avoid
The artificial troublesome operation separating sample preparation, and use photoelectric colorimetry technology to realize by separating the color of liquid certainly
Dynamic judgement obtains acid-base value, and test operation is simple, automaticity is high.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, being embodied as below according to the present invention
Example also combines accompanying drawing, and the present invention is further detailed explanation, wherein
Fig. 1 is water-soluble substances acid-base value detection method flow chart of the prior art；
Fig. 2 is the structural representation of the water-soluble substances soda acid detection device that the embodiment of the present invention one provides；
Fig. 3 is the structural representation of the water-soluble substances soda acid detection device that the embodiment of the present invention two provides.
Detailed description of the invention
Embodiment one
The present embodiment provides a kind of water-soluble substances soda acid detection device, as it is shown in figure 1, this device includes:
Oscillating unit 11, heating unit 12, photoelectric colorimetry unit 14 and control unit 13.
Wherein, oscillating unit 11 is used for accommodating fluid to be measured, and oscillating unit 11 can include oscillator device
With the vessel etc. for accommodating fluid to be measured, oscillator device can drive vessel to vibrate.The present embodiment
In fluid to be measured be a kind of oil-water mixture, specifically proportion be transformer oil and the distilled water of 1:1
Mixed liquor.Before test experience starts, first this liquid is joined in oscillating unit 11, start this dress afterwards
Put.After startup, control unit 13 controls described heating unit 12 and heats fluid to be measured, works as institute
State the temperature of fluid to be measured when being heated to the first temperature threshold, control described oscillating unit 11 interior to it
Described fluid to be measured carries out vibrate (not heating fluid to be measured in oscillatory process), described first temperature threshold
More than 50 DEG C, such as 50-80 DEG C, described in the present embodiment, the first temperature threshold is preferably 70 DEG C.At this
At a temperature of, the oil in fluid to be measured and water, by vibration, are sufficiently mixed.In actual conditions, such as may be used
To monitor the temperature of fluid to be measured by arranging temperature sensor, control unit 13 can receive temperature and pass
The signal that sensor sends, judges, by this signal, the temperature that fluid to be measured is current.
The oscillation action controlling oscillating unit 11 can have multiple, the most constantly vibration or intermittent oscillation
Deng, this oscillating operation can substitute manual oscillating operation, makes oil be sufficiently mixed with distilled water.Preferably,
Control unit 13 in the present embodiment controls described oscillating unit 11 and carries out its interior described fluid to be measured
Vibration includes:
Control unit 13 controls described oscillating unit 11 and starts vibration, and it is pre-to reach first in persistent oscillation
If after the time, controlling described oscillating unit 11 and stop oscillation, wherein said first Preset Time is more than 4 points
Clock, such as 5-10 minute, described first Preset Time was preferably 5 minutes by the present embodiment, and i.e. vibrate list
Unit's 11 persistent oscillation stood after 5 minutes.Specifically, such as can use timer to carry out timing, when
When reaching Preset Time during timer, send signal to oscillating unit 11 and stop to control oscillating unit 11
Only vibration.
Mixed liquor is through vibration and after standing a period of time, owing to oil is different from the density of water, final oil and
Water still can be automatically separated (oil float is on distilled water), when the temperature of described fluid to be measured is down to the second temperature
During degree threshold value, controlling described oscillating unit 11 and discharge separation liquid, described separation liquid is after oscillation treatment
From described fluid to be measured, isolated liquid (separates liquid to refer to be positioned at container lower floor described in the present embodiment
Distilled water, distilled water now has absorbed the material in oil, this material such as can include oil
Middle additive, lubricant, paraffin etc.), wherein said second temperature threshold is less than 30 DEG C, such as 20-25
DEG C, described second temperature threshold is preferably 25 DEG C by the present embodiment, i.e. oscillating unit 11 stands, until
Wherein the temperature of liquid is less than 25 DEG C.The bottom of the vessel accommodating this mixed liquor is provided with delivery outlet, Ke Yicong
This delivery outlet will be located in the distilled water of container bottom and discharges, and oscillating unit 11 can pass through a controllable valve
Being connected with photoelectric colorimetry unit 14, control unit 13 can be by controlling unlatching and the pass of this controllable valve
Close the discharging operation controlling to separate liquid.
Preferably, the control unit 13 in the present embodiment controls described oscillating unit 11 discharge separation liquid bag
Include:
Described control unit 13 controls described oscillating unit 11 and starts to discharge described separation liquid, and is continuing
After discharging the second Preset Time, control described oscillating unit 11 and stop discharge.Wherein said second when presetting
Between more than 1 second, such as 2-3 second, described second Preset Time was preferably 2 seconds by the present embodiment,
I.e. oscillating unit 11 continued emissions separation liquid 2 seconds, it is ensured that discharge rate meets experiment needs, avoids simultaneously
Discharge the oil being positioned at distilled water upper strata.Specifically, timer such as can be used to carry out timing, work as meter
Time device timing when reaching Preset Time, send signal to oscillating unit 11 and stop controlling oscillating unit 11
Discharge.
Described photoelectric colorimetry unit 14 is used for receiving the described separation liquid that described oscillating unit 11 is discharged, and
Described separation liquid is carried out photoelectric colorimetry.Photoelectric colorimetry unit 14 is to utilize the photoelectricity such as photocell or photoelectric tube
Conversion element makees detector, measures by the intensity of transmission light after colored solutions, thus obtains measured object
Matter content, determines the device of liquid acid basicity.
The water-soluble substances acidity-basicity tester that the present invention provides uses control unit 13 to oscillating unit
11, heating unit 12 and photoelectric colorimetry unit 14 carry out Based Intelligent Control, it is achieved the profit of fluid to be measured is automatic
Separate, it is to avoid the troublesome operation of artificial separation sample preparation, and use photoelectric colorimetry technology realize by point
The color of chaotropic judges to obtain acid-base value automatically, and test operation is simple, automaticity is high.
Embodiment two
The present embodiment provides a kind of water-soluble substances soda acid detection device, as in figure 2 it is shown, in above-mentioned enforcement
On the basis of example, this device also includes: the first adding device 21, for discharging at described oscillating unit 11
After separating liquid, add in described photoelectric colorimetry unit 14 according to the control signal of described control unit 13
Annex solution.
Photoelectric colorimetry unit 14 in the present embodiment such as can include light source, optical filter, cuvette, light
Photodetector, amplify and the parts such as display, and cuvette uses quartz material.Cuvette is used for
Receive described separation liquid, after the filtering of filtered of the complex light that light source sends, become the monochromatic light of approximation,
When this monochromatic light is by cuvette, by the liquid in cuvette, the most described separation liquid sponges a part,
Then it is radiated on photoelectric detector.The power of optical signal is changed into the size of the signal of telecommunication by photoelectric detector,
The most amplified, display part demonstrate measurement result.
In the present embodiment, control unit 13 controls the first adding device 21 and adds in trend cuvette and add
Liquid feeding, this annex solution can be such as bromocresol green indicator or Bromocresol purple so that it is with separate
Liquid mixes, and the result making photoelectric colorimetry is more accurate.
Preferably, described control unit 13 is additionally operable at described photoelectric colorimetry unit 14 described separation liquid
After carrying out photoelectric colorimetry, control described photoelectric colorimetry unit 14 and get rid of described separation liquid therein, i.e. photoelectricity
After colorimetric obtains result, control unit 13 controls photoelectric colorimetry unit 14 automatically by the separation in cuvette
Liquid is discharged, and this operation is the operation of a kind of removal waste fluid, after photoelectric colorimetry unit 14 calculates result, and can
To be sent signal to control unit 13, so that control unit 13 determines that this detection is the most complete,
Carry out the operation of removal waste fluid the most again.Outlet can be located on the cuvette in photoelectric colorimetry unit 14,
Control discharging operation by controllable valve, and also negative pressure pump can be utilized to extract described separation liquid out, improve
The efficiency of removal waste fluid operation.
Preferably, this device also includes: the second adding device 22, at described photoelectric colorimetry unit 14
After discharging described separation liquid therein, according to the control signal of described control unit 13 to described photoelectric colorimetry
After unit 14 adds cleaning fluid, i.e. removal waste fluid, it is possible to use the second adding device 22 is to photoelectric colorimetry
The cuvette of unit 14 adds cleaning fluid, thus removes the separation liquid of remnants.
Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment
Restriction.For those of ordinary skill in the field, can also do on the basis of the above description
Go out change or the variation of other multi-form.Here without also cannot all of embodiment be given exhaustive.
And the obvious change thus extended out or variation still in the invention protection domain it
In.
Claims (8)
1. a water-soluble substances acidity-basicity tester, it is characterised in that include oscillating unit, heating unit, control unit and photoelectric colorimetry unit；
Described control unit is used for controlling described heating unit and heats fluid to be measured, when the temperature of described fluid to be measured arrives the first temperature threshold, controls described oscillating unit and vibrates its interior described fluid to be measured；When described vibration continues the first Preset Time, control described oscillating unit and stop oscillation；When the temperature of described fluid to be measured arrives the second temperature threshold, control described oscillating unit and discharge separation liquid, described separation liquid be after oscillation treatment from described fluid to be measured isolated liquid, wherein, the bottom of the vessel accommodating described fluid to be measured is provided with the delivery outlet for exporting described separation liquid；
Described photoelectric colorimetry unit includes light source, optical filter, cuvette, photoelectric detector and display unit, wherein, described cuvette is connected with the delivery outlet bottom the vessel accommodating described fluid to be measured, for receiving the described separation liquid of described delivery outlet output, described light source is for launching complex light to described cuvette, described photoelectric detector is for receiving the optical signal that the described separation liquid in described cuvette absorbed, and described optical signal is changed into the signal of telecommunication, described display unit is for showing measurement result according to the described signal of telecommunication；
Described photoelectric colorimetry unit is additionally operable to, after completing colorimetric calculating, be sent signal to control unit；Described control unit is additionally operable to when receiving described complete signal, controls described photoelectric colorimetry unit and discharges described separation liquid therein.
Device the most according to claim 1, it is characterised in that described first temperature threshold is more than 50 DEG C.
Device the most according to claim 1, it is characterised in that described second temperature threshold is less than 30 DEG C.
Device the most according to claim 1, it is characterised in that described first Preset Time is more than 4 minutes.
Device the most according to claim 1, it is characterised in that described control unit controls described oscillating unit discharge separation liquid and includes:
Described control unit controls described oscillating unit and starts to discharge described separation liquid, and when described discharge continues the second Preset Time, controls described oscillating unit and stop discharge.
Device the most according to claim 5, it is characterised in that described second Preset Time is more than 1 second.
7. according to the device described in any one of claim 1-6, it is characterized in that, described device also includes: the first adding device, after discharging separate liquid at described oscillating unit, adds annex solution according to the control signal of described control unit in described photoelectric colorimetry unit.
Device the most according to claim 1, it is characterized in that, described device also includes: the second adding device, after discharging described separation liquid therein at described photoelectric colorimetry unit, adds cleaning fluid according to the control signal of described control unit in described photoelectric colorimetry unit.
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| CN201410495412.7A CN104297167B (en) | 2014-09-24 | 2014-09-24 | A kind of water-soluble substances acidity-basicity tester |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410495412.7A CN104297167B (en) | 2014-09-24 | 2014-09-24 | A kind of water-soluble substances acidity-basicity tester |
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| CN104297167A CN104297167A (en) | 2015-01-21 |
| CN104297167B true CN104297167B (en) | 2016-08-24 |
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| JP4081390B2 (en) * | 2003-02-28 | 2008-04-23 | 紀本電子工業株式会社 | Alkalinity measurement method |
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| CN101614674B (en) * | 2009-08-07 | 2011-08-31 | 山东三泵科森仪器有限公司 | Fully automatic water-soluble acid tester |
| CN101825534A (en) * | 2010-04-19 | 2010-09-08 | 河北省电力研究院 | High-efficiency mixed detection and oscillation device for oil samples |
| CN202471600U (en) * | 2012-03-09 | 2012-10-03 | 保定市金科汇电子有限公司 | Full-automatic water-soluble acid tester for power oil |
| CN202583011U (en) * | 2012-04-25 | 2012-12-05 | 苏州拓博琳新材料科技有限公司 | Vibrating compacting forming machine |
| CN103558343A (en) * | 2013-11-06 | 2014-02-05 | 中国烟草总公司郑州烟草研究院 | Device for evaluating aroma of flavors and fragrances |
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Address after: Shinan District 266003 Shandong city of Qingdao province Liujiaxia Road No. 17 Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: QINGDAO POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER Co. Address before: Shinan District 266003 Shandong city of Qingdao province Liujiaxia Road No. 17 Co-patentee before: State Grid Corporation of China Patentee before: QINGDAO POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER Co. |
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