CN201090979Y - PH value rapid determining instrument of oil product - Google Patents
PH value rapid determining instrument of oil product Download PDFInfo
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- CN201090979Y CN201090979Y CNU2007201752985U CN200720175298U CN201090979Y CN 201090979 Y CN201090979 Y CN 201090979Y CN U2007201752985 U CNU2007201752985 U CN U2007201752985U CN 200720175298 U CN200720175298 U CN 200720175298U CN 201090979 Y CN201090979 Y CN 201090979Y
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Abstract
The utility model discloses an oil product acid-alkali value rapid tester, including a singlechip control system, an electrode system, a control keyboard, a sample cup and a liquid crystal screen. According to the utility model, the electrode system includes an electrode cover and an electrode body. The electrode body includes an electrode housing, a work electrode core, an auxiliary electrode core and a reference electrode. The work electrode, the auxiliary electrode and the reference electrode are fixed in the electrode housing, with the electrode cover connected fixedly with the electrode body. The utility model has the advantages that the acid value and the alkali value of the oil product can be tested rapidly and conveniently; no man-made determinant terminal point is required in the test, so that the man- made error of the testing result is small; in addition, the reference electrode of the tester adopts platinum electrode instead of the conventional calomel electrode or silver- silver chloride electrode, so that the utility model is not damaged easily but can be maintained and cleaned conveniently.
Description
Technical field
The utility model relates to a kind of measurement of ph value instrument, especially a kind of instrument of measuring the oil acid base number.
Background technology
Existing oil product acid number and total base number are measured general color indicator titration method and the potentiometric titration of adopting.Exist the defective that terminal point is difficult to judge when measuring the acid number of Dark-colored Oil with the color indicator titration method; During with potentiometric determination petroleum products acid number and total base number; regular meeting runs into the sample that titration curve does not have obvious hop point; titration end-point is difficult to determine; must determine terminal point with reference to the electrode potential of non-water buffer solution; but non-water buffer solution toxicity is big; the process for preparation complexity, and the term of validity is short.
Summary of the invention
The purpose of this utility model is at above-mentioned deficiency, a kind of automatic oil product acid number and total base number fast measuring instrument are provided, can measure the acid number and the total base number of oil product fast, easily, not need artificially to judge terminal point in the test, the personal error that test result is judged is little.
The technical solution of the utility model is: a kind of oil acid base number fast measuring instrument comprises single-chip computer control system, electrode system, supervisory keyboard, sample cup and LCDs; According to the utility model, described electrode system comprises electrode cap and electrode body, and described electrode body comprises electrode sleeve, working electrode core, auxiliary electrical pole piece and contrast electrode core; Described working electrode core, auxiliary electrical pole piece and contrast electrode core are fixed in the electrode sleeve, and described electrode cap is fixedlyed connected with electrode body.
Preferably, described working electrode core, auxiliary electrical pole piece and contrast electrode core upper end also are respectively arranged with working electrode binding post, auxiliary electrode binding post and the contrast electrode binding post that is connected respectively with it.
Preferably, described electrode cap bottom surface is provided with annular groove.
Preferably, described electrode cap screws by screw thread and electrode body.
Preferably, described working electrode core adopts glass-carbon electrode, and auxiliary electrical pole piece and contrast electrode core adopt platinum electrode.
Preferably, the material of described electrode sleeve employing is a teflon.
The beneficial effects of the utility model are: can measure the acid number and the total base number of oil product fast, easily, not need artificially to judge terminal point in the test, the personal error that test result is judged is little; In addition, this analyzer contrast electrode has not been abandoned mercurous chloride electrode or the silver-silver chloride electrode that adopts in the conventional method, but has adopted platinum electrode, and is fragile in the use, be convenient to safeguard and clean.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the structural representation of the utility model specific embodiment electrode system;
Fig. 3 A is the structure upward view of the utility model specific embodiment electrode system;
Fig. 3 B is the structure cut-open view of the utility model specific embodiment electrode system;
Fig. 4 is position and the mode of connection synoptic diagram 1 of the utility model specific embodiment electrode system in instrument;
Fig. 5 is position and the mode of connection synoptic diagram 2 of the utility model specific embodiment electrode system in instrument.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
To Figure 5 shows that embodiment of the present utility model, a kind of oil acid base number fast measuring instrument comprises housing, is provided with single-chip computer control system 101, electrode system 102, supervisory keyboard 103, sample cup 104 and LCDs 105 in the housing as Fig. 1.
Electrode system 102 comprises electrode cap 1, electrode sleeve 2, working electrode core 3, auxiliary electrical pole piece 4 and contrast electrode core 5; Working electrode core 3 adopts glass-carbon electrode, and auxiliary electrical pole piece 4 adopts platinum electrode, and contrast electrode core 5 adopts platinum electrode; Working electrode core 3, auxiliary electrical pole piece 4 and contrast electrode core 5 are fixed in the electrode sleeve 2, constitute electrode body 14 together; The material of electrode sleeve 2 is a teflon; Working electrode binding post 6 is stretched out in working electrode core 3 upper ends, and auxiliary electrode binding post 7 is stretched out in auxiliary electrical pole piece 4 upper ends, and contrast electrode binding post 8 is stretched out in contrast electrode core 5 upper ends; Be processed with the M3 screw thread respectively on working electrode binding post 6, auxiliary electrode binding post 7 and the contrast electrode binding post 8, during use, by nut lead be pressed on the binding post and get final product.Be processed with screw thread on the electrode sleeve 2; electrode cap 1 screws by screw thread and electrode sleeve 2; be used to protect working electrode binding post 6, contrast electrode binding post 7 and auxiliary electrode binding post 8, limit the relative position of sample cup 104 and working electrode core 3, auxiliary electrical pole piece 4 and contrast electrode core 5.
Single-chip computer control system 101, supervisory keyboard 103, sample cup 104 and LCDs 105 have constituted the body 11 of this oil acid base number fast measuring instrument, as Fig. 5, shown in Figure 6.Single-chip computer control system 18 is positioned at the inside of body 11; First side 15 of body 11 is the inclined-plane, and described LCDs 105 is positioned at the position of the centre of first side 15 near the top, and described supervisory keyboard 103 is positioned at the below of LCDs 105.Second side 16 of body 11 is provided with electrode connection jack 17, and electrode system 9 is connected with electrode connection jack 17 by lead.
The concrete principle of work of the utility model is as follows: " electrode excitation signal generating circuit " controls the scanning voltage signal that produces electrode system down the commander of " control circuit "; Electrode system 102 places sample cup 104 detected solutions, and produces the corresponding work electrode current under the effect of scanning voltage signal; After this electric current carries out processing such as I/V conversion, amplification, filtering, A/D conversion by " data acquisition and pre-process circuit ", read the A/D transformation result by " control circuit ", then in conjunction with corresponding scanning voltage, calculate the acid number or the total base number of sample according to electrochemical principle, and measurement result is shown in LCDs 105.
Claims (5)
1. oil acid base number fast measuring instrument, comprise single-chip computer control system, electrode system, supervisory keyboard, sample cup and LCDs is characterized in that: described electrode system comprises electrode cap and electrode body, and described electrode body comprises electrode sleeve, the working electrode core, auxiliary electrical pole piece and contrast electrode core; Described working electrode core, auxiliary electrical pole piece and contrast electrode core are fixed in the electrode sleeve, and described electrode cap is fixedlyed connected with electrode body.
2. oil acid base number fast measuring instrument as claimed in claim 1 is characterized in that: described working electrode core, auxiliary electrical pole piece and contrast electrode core upper end are respectively arranged with working electrode binding post, auxiliary electrode binding post and contrast electrode binding post.
3. oil acid base number fast measuring instrument as claimed in claim 1, it is characterized in that: described electrode cap screws by screw thread and electrode body.
4. oil acid base number fast measuring instrument as claimed in claim 1 is characterized in that: described working electrode core adopts glass-carbon electrode, and auxiliary electrical pole piece and contrast electrode core adopt platinum electrode.
5. oil acid base number fast measuring instrument as claimed in claim 1 is characterized in that: the material that described electrode sleeve adopts is a teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201752985U CN201090979Y (en) | 2007-08-30 | 2007-08-30 | PH value rapid determining instrument of oil product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201752985U CN201090979Y (en) | 2007-08-30 | 2007-08-30 | PH value rapid determining instrument of oil product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090979Y true CN201090979Y (en) | 2008-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201752985U Expired - Fee Related CN201090979Y (en) | 2007-08-30 | 2007-08-30 | PH value rapid determining instrument of oil product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090979Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226780A (en) * | 2011-04-11 | 2011-10-26 | 天津市兰标电子科技发展有限公司 | Sensing device of vitamin detector |
| CN102279216A (en) * | 2011-04-11 | 2011-12-14 | 天津市兰标电子科技发展有限公司 | Blood sample vitamin detector |
| CN102645472A (en) * | 2012-03-31 | 2012-08-22 | 无锡百灵传感技术有限公司 | Preparation method of negative membrane current gas sensor for selectively detecting NOx |
| CN102680767A (en) * | 2012-05-12 | 2012-09-19 | 杭州电子科技大学 | Thermally-stimulated current tester |
| TWI561815B (en) * | 2016-02-04 | 2016-12-11 | Univ Chang Gung |
-
2007
- 2007-08-30 CN CNU2007201752985U patent/CN201090979Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226780A (en) * | 2011-04-11 | 2011-10-26 | 天津市兰标电子科技发展有限公司 | Sensing device of vitamin detector |
| CN102279216A (en) * | 2011-04-11 | 2011-12-14 | 天津市兰标电子科技发展有限公司 | Blood sample vitamin detector |
| CN102279216B (en) * | 2011-04-11 | 2014-08-13 | 天津市兰标电子科技发展有限公司 | Blood sample vitamin detector |
| CN102645472A (en) * | 2012-03-31 | 2012-08-22 | 无锡百灵传感技术有限公司 | Preparation method of negative membrane current gas sensor for selectively detecting NOx |
| CN102680767A (en) * | 2012-05-12 | 2012-09-19 | 杭州电子科技大学 | Thermally-stimulated current tester |
| CN102680767B (en) * | 2012-05-12 | 2014-09-17 | 杭州电子科技大学 | Thermally-stimulated current tester |
| TWI561815B (en) * | 2016-02-04 | 2016-12-11 | Univ Chang Gung |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 Termination date: 20090930 |