CN201993370U - Full-closed automatic quantitative sample injection trace moisture metering system - Google Patents
Full-closed automatic quantitative sample injection trace moisture metering system Download PDFInfo
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- CN201993370U CN201993370U CN2011200734971U CN201120073497U CN201993370U CN 201993370 U CN201993370 U CN 201993370U CN 2011200734971 U CN2011200734971 U CN 2011200734971U CN 201120073497 U CN201120073497 U CN 201120073497U CN 201993370 U CN201993370 U CN 201993370U
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- stopple coupon
- pipeline
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- tube
- solenoid valve
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Abstract
A full-closed automatic quantitative sample injection trace moisture metering system comprises a linear motor mounted on a base plate. A handle of a sample injector is connected with the linear motor, an injection head of the sample injector is communicated to the left of a sampling tube through a tube, the right of the sampling tube is communicated with an electrolytic cell through a tube, a heating fan is connected with a drying bottle through a tube and is communicated to the left top end of the sampling tube, a photoelectric switch is arranged on the right of the sampling tube, an air pump is connected with a cleaning bottle through a tube and is communicated to the left of the sampling tube through a tube, and the right top end of the sampling tube is communicated with an oil cup through a tube. The full-closed automatic quantitative sample injection trace moisture metering system has the advantages that a defined quantity of sample is directly tested in the electrolytic cell of a closed space so that sample contamination caused by external environments and affection on test results due to error caused by manual sample injection are reduced and test measurement accuracy is increased; the tubes and instruments can be cleaned automatically so that affection of the last test to the next test is reduced; and the system is convenient in operation and high in economic benefit, and the labor intensity is low.
Description
Technical field
The utility model belongs to the moisture measurement equipment technical field, particularly a kind of totally-enclosed automatic ration sample introduction determination of trace water system.
Background technology
Micro-water analyzer is the testing tool of current social people institute's widespread use in the production run process, is widely used in units such as China's oil, chemical industry, electric power, quality inspection, R﹠D institution, institution of higher learning and aviation, armies.Both at home and abroad, various micro-water analyzers respectively have its characteristics separately at present, and different instruments satisfies different request for utilizations, but also there is weak point to some extent in some.In the prior art, when people come micro-moisture (PPm or μ g level) in the measuring samples with micro-water analyzer, sample introduction often adopts the syringe that can measure certain volume, in the electrolytic cell in the micro-water analyzer that reinjects behind the draw samples from closed container.In this process, can be subjected to the influence of factors such as outside air humidity, artificial sample introduction error, particularly in the bigger area of air humidity, can cause measuring error bigger than normal during with the micro-moisture in this method measuring samples (PPm or μ g level), repeatability phenomenon such as bad.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of micro-water analyzer totally-enclosed automatic ration sampling system is provided, its good combination property, noiselessness, adaptive faculty is strong, and is not fragile, and a part that promptly can be used as instrument is installed in the inside of micro-water analyzer, also can be connected use with the micro-water analyzer of other different brands separately, it is extremely convenient to use.
The technical scheme that its technical matters that solves the utility model adopts is: totally-enclosed automatic ration sample introduction determination of trace water system, comprise an automatic sampling apparatus, it is characterized in that: described automatic sampling apparatus is communicated with by the left part of pipeline with a stopple coupon, and the right part of described stopple coupon is communicated with an electrolytic cell by pipeline; The left part top of described stopple coupon is communicated with a blower fan by pipeline.
Preferably, described automatic sampling apparatus comprises a substrate, a straight line motor, a sampling injector, described linear electric motors are installed on the described substrate, and the handle of described sampling injector is connected with described linear electric motors, and the injection head of described sampling injector is communicated with described stopple coupon by pipeline.
Preferably, described stopple coupon is U-shaped pipe or V-arrangement pipe.
Preferably, described blower fan is a heating blower.
Preferably, described heating blower is ganged up a drying bottle by pipeline, and passes through the left part top of the described stopple coupon of pipeline connection.
Preferably, the right part of described stopple coupon is provided with an optoelectronic switch.
Preferably, an air pump is ganged up a washer bottle by pipeline, and is communicated with the left part of described stopple coupon by pipeline; The right part top of described stopple coupon is communicated with a lubricating cup by pipeline.
Preferably, first solenoid valve is set on the connecting pipeline of described sampling injector and stopple coupon, on the right part of described stopple coupon and the connecting pipeline of electrolytic cell second solenoid valve is set, on the right part top of described stopple coupon and the connecting pipeline of lubricating cup the 3rd solenoid valve is set, on the connecting pipeline on the left part top of described drying bottle and stopple coupon the 4th solenoid valve is set, the 5th solenoid valve is set on the connecting pipeline of the left part of described washer bottle and stopple coupon.
Compared with prior art, the beneficial effects of the utility model are: it can make quantity of sample, in airtight space, directly enter in its electrolytic cell and detect, reduced external environment to the pollution of sample, artificial sample introduction error influence, the accuracy that improved sample measurement to testing result; And detergent line automatically, instrument, reduce last time to detect influence to next time.Easy to operate, labour intensity is low, the economic benefit height.
Description of drawings
Fig. 1 is the utility model structural representation.
Be labeled as among the figure:
1, automatic sampling apparatus; 11, substrate; 12, linear electric motors; 13, sampling injector; 131, handle; 132, injection head; 14, first solenoid valve; 2, stopple coupon; 3, electrolytic cell; 31, second solenoid valve; 4, blower fan; 5, drying bottle; 51, the 4th solenoid valve; 6, optoelectronic switch; 7, air pump; 8, washer bottle; 81, the 5th solenoid valve; 9, lubricating cup; 91, the 3rd solenoid valve.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described further:
As shown in Figure 1, totally-enclosed automatic ration sample introduction determination of trace water system, comprise automatic sampling apparatus 1, automatic sampling apparatus 1 comprises substrate 11, linear electric motors 12, sampling injector 13, linear electric motors 12 are installed on the substrate 11, the handle 131 of sampling injector 13 is connected with linear electric motors 12, and the injection head 132 of sampling injector 13 is communicated with by the left part of pipeline with U-shaped stopple coupon 2, on the connecting pipeline of sampling injector 13 and U-shaped stopple coupon 2 first solenoid valve 14 is set;
The right part of U-shaped stopple coupon 2 is communicated with electrolytic cell 3 by pipeline, and second solenoid valve 31 is set on this connecting pipeline;
The right part top of U-shaped stopple coupon 2 is communicated with lubricating cup 9 by pipeline, and the 3rd solenoid valve 91 is set on this connecting pipeline;
The right part of U-shaped stopple coupon 2 is provided with optoelectronic switch 6, and optoelectronic switch 6 can move up and down along the right part of U-shaped stopple coupon 2, that is regulates the injection rate IR of sample to be tested;
Linear electric motors 12, heating blower 4, optoelectronic switch 6, air pump 7, first solenoid valve 14, second solenoid valve 31, the 3rd solenoid valve 91, the 4th solenoid valve 51, the 5th solenoid valve 81 all electrically connect with a controller.
The utility model principle of work and the course of work are as follows:
As shown in Figure 1, when the linear electric motors 12 on being fixed on substrate 11 rotate with the speed of 0.5mm/s, be installed in the sampling injector 13 on the linear electric motors 12, one seals with Capsule for the 100mL syringe; By 131 motions of linear electric motors 12 pushing syringe handles, sample in the sampling injector 13, from injection head 132 and connecting line thereof, enter stopple coupon 2 by first solenoid valve 14, this moment first, solenoid valve 14, the 3rd solenoid valve 91 were set to open mode by controller;
When the liquid level in the U-shaped stopple coupon 2 arrives the height of optoelectronic switch 6 settings, optoelectronic switch 6 passes to controller with signal, send control signal by controller and give linear electric motors 12, thereby control linear electric motors 12 stop operating, and control first solenoid valve 14 simultaneously, the 3rd solenoid valve 91 cuts out;
Then, second solenoid valve 31, the 4th solenoid valve 51 are set to open mode by controller, heating blower 4 is with the hot blast of 50 ℃ of constant temperature, after carrying out finish-drying by 5 pairs of air of two drying bottles, be blown into U-shaped stopple coupon 2, utilize air pressure, the whole samples with in the U-shaped stopple coupon 2 are pressed in the electrolytic cell 3 by second solenoid valve 31; Afterwards, second solenoid valve 31, the 4th solenoid valve 51 are set to open mode by controller, thereby finish airtight, the quantitative sample injection of sample; Sample introduction finishes, and just can carry out sample testing work in electrolytic cell 3.
Sample testing finishes, and carries out pipeline and cleans.By controller control the 3rd solenoid valve 91, the 5th solenoid valve 81 is opened, the organic solvent of perfusion in the washer bottle 8, comprise absolute ethyl alcohol, sherwood oil, acetone etc., under the effect of air pump 7, in washer bottle 8, flow out, to U-shaped stopple coupon 2, by the road waste liquid is entered lubricating cup 9 more by the road, promptly 2 cleanings finish to the U-shaped stopple coupon earlier; Afterwards, again by controller opens second solenoid valve 31, with the pipeline between a small amount of washing lotion cleaning U-shaped stopple coupon 2 and the electrolytic cell 3; Can allow waste liquid come like this, the small part waste liquid is flowed in the electrolytic cell 3, be unlikely to consume the electrolytic solution in the electrolytic cell 3 like this, the serviceable life of extended period electrolyte inside through above-mentioned two paths shunting.
After last time detection finished, clean U-shaped stopple coupon 2 and respective line, control the 3rd solenoid valve 91 by controller and close this moment, opens second solenoid valve 31, the 5th solenoid valve 81; Open air pump 7, the organic solvent of perfusion in the airtight washer bottle 8 will be contained in, being pressed into U-shaped stopple coupon 2 and pipeline cleans, then, the 5th solenoid valve 81 cuts out, and the 4th solenoid valve 51 is opened, 4 runnings of controller control heating blower, freeze-day with constant temperature air in the drying bottle 5 is blown into U-shaped stopple coupon 2 and pipeline, and they are dried up, in order to using next time.
When needing other sample of replacing to detect, after removing above-mentioned cleaning with an organic solvent, also will be with sample to be tested to U-shaped stopple coupon 2 and respective line flushing, at this moment, by controller first solenoid valve 14, second solenoid valve 31, the 3rd solenoid valve 91 are opened, allow a certain amount of sample stream through U-shaped stopple coupon 2 and respective line, be not subjected to the influence of other sample to guarantee this this measurement.
All pipelines can use corrosion resistant four fluorine tube.
As above, carry out application of sample with 12V, 12 pairs of samples of 1A linear electric motors and measure, realized automatic sampling, reduced artificial sample introduction error, improved work efficiency greatly; Closure with high-accuracy each pipeline of solenoid control, the inner abrasive disc of solenoid valve selects for use poly-tetrafluoro abrasive disc should have oil resistant, characteristics such as acidproof, alkaline-resisting, and closed performance height is stablized, the permanently effective influence of stopping the sample external factor of energy has improved accuracy of measurement and repeatability; Adopt a kind of U-shaped (or V-arrangement) stopple coupon 2 of height printing opacity, utilize the liquid level of optoelectronic switch 6 test samples, can guarantee the accuracy of sample size; After adopting heating blower 4 to produce air pressure,, guarantee to enter the air adiabatic drying of U-shaped (or V-arrangement) stopple coupon 2, avoided the influence of the moisture in the outside air sample through the moisture in the middle of dual drying bottle 5 filtered airs; Heating blower 4 makes air themperature reach 50 ℃ and constant temperature, and temperature error reaches ± and 0.5 ℃, do not change under stationary temperature with the volume that guarantees U-shaped (or V-arrangement) stopple coupon 2, guarantee the accuracy of sample size; Utilize air pump 7 that anhydrous organic solvents such as absolute ethyl alcohol are compressed into each pipeline, pipeline is cleaned, use the dry air of 50 ℃ ± 0.5 ℃ of constant temperature to dry up then, not only guarantee each pipeline drying, cleaning, increase the service life; Utilization has the sample introduction pipe of the glass tube of mill plug as electrolytic cell 3, puts into below the electrolysis liquid surface, and the purpose of selecting glass tube for use is that it has stable chemical property, can not be corroded by electrolytic solution, improves the serviceable life of equipment; Utilize the discharge of solenoid control sample waste liquid, can play and with the sample detergent line time, to be unlikely to allow more sample enter electrolytic cell 3, to increase the serviceable life of electrolytic solution.The total system pipeline designs for totally-enclosed, and sample does not contact with extraneous moisture, has reduced the influence of extraneous moisture to sample greatly, has improved accuracy of analysis, has reduced artificial sample introduction error, can satisfy under the big condition of ambient humidity and use.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (8)
1. totally-enclosed automatic ration sample introduction determination of trace water system, comprise an automatic sampling apparatus, it is characterized in that: described automatic sampling apparatus (1) is communicated with by the left part of pipeline with a stopple coupon (2), and the right part of described stopple coupon (2) is communicated with an electrolytic cell (3) by pipeline; The left part top of described stopple coupon (2) is communicated with a blower fan (4) by pipeline.
2. totally-enclosed automatic ration sample introduction determination of trace water according to claim 1 system, it is characterized in that: described automatic sampling apparatus (1) comprises a substrate (11), a straight line motor (12), a sampling injector (13), described linear electric motors (12) are installed on the described substrate (11), the handle (131) of described sampling injector (13) is connected with described linear electric motors (12), and the injection head (132) of described sampling injector (13) is communicated with described stopple coupon (2) by pipeline.
3. totally-enclosed automatic ration sample introduction determination of trace water according to claim 2 system, it is characterized in that: described stopple coupon (2) is U-shaped pipe or V-arrangement pipe.
4. totally-enclosed automatic ration sample introduction determination of trace water according to claim 3 system, it is characterized in that: described blower fan (4) is a heating blower.
5. according to the arbitrary described totally-enclosed automatic ration sample introduction determination of trace water of claim 1 to 4 system, it is characterized in that: described heating blower (4) is ganged up a drying bottle (5) by pipeline, and the left part top by the described stopple coupon of pipeline connection (2).
6. totally-enclosed automatic ration sample introduction determination of trace water according to claim 5 system, it is characterized in that: the right part of described stopple coupon (2) is provided with an optoelectronic switch (6).
7. totally-enclosed automatic ration sample introduction determination of trace water according to claim 6 system, it is characterized in that: an air pump (7) is ganged up a washer bottle (8) by pipeline, and is communicated with by the left part of pipeline with described stopple coupon (2); The right part top of described stopple coupon (2) is communicated with a lubricating cup (9) by pipeline.
8. totally-enclosed automatic ration sample introduction determination of trace water according to claim 7 system, it is characterized in that: on the connecting pipeline of described sampling injector (13) and stopple coupon (2) first solenoid valve (14) is set, second solenoid valve (31) is set on the connecting pipeline of the right part of described stopple coupon (2) and electrolytic cell (3), the 3rd solenoid valve (91) is set on the connecting pipeline of the right part top of described stopple coupon (2) and lubricating cup (9), on the connecting pipeline on the left part top of described drying bottle (5) and stopple coupon (2) the 4th solenoid valve (51) is set, on the connecting pipeline of the left part of described washer bottle (8) and stopple coupon (2) the 5th solenoid valve (81) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200734971U CN201993370U (en) | 2011-03-18 | 2011-03-18 | Full-closed automatic quantitative sample injection trace moisture metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200734971U CN201993370U (en) | 2011-03-18 | 2011-03-18 | Full-closed automatic quantitative sample injection trace moisture metering system |
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| Publication Number | Publication Date |
|---|---|
| CN201993370U true CN201993370U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200734971U Expired - Fee Related CN201993370U (en) | 2011-03-18 | 2011-03-18 | Full-closed automatic quantitative sample injection trace moisture metering system |
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| CN (1) | CN201993370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128945A (en) * | 2011-03-18 | 2011-07-20 | 淄博科通电气科技有限公司 | Fully-sealed trace water determination system with automatic quantitative sample introduction |
-
2011
- 2011-03-18 CN CN2011200734971U patent/CN201993370U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128945A (en) * | 2011-03-18 | 2011-07-20 | 淄博科通电气科技有限公司 | Fully-sealed trace water determination system with automatic quantitative sample introduction |
| CN102128945B (en) * | 2011-03-18 | 2013-08-07 | 淄博科通电气科技有限公司 | Fully-sealed trace water determination system with automatic quantitative sample feeding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20170318 |