CN101915683A - Metering device - Google Patents
Metering device Download PDFInfo
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- CN101915683A CN101915683A CN 201010250497 CN201010250497A CN101915683A CN 101915683 A CN101915683 A CN 101915683A CN 201010250497 CN201010250497 CN 201010250497 CN 201010250497 A CN201010250497 A CN 201010250497A CN 101915683 A CN101915683 A CN 101915683A
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- measuring apparatus
- gauge line
- negative pressure
- bearing
- bubble
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Abstract
The invention provides a metering device which comprises a metering tube, a negative pressure driving device and a bubble pressing member. The metering tube is arranged vertically and provided with an upper opening and a lower opening, the negative pressure driving device is connected with the upper opening, and the bubble pressing member is arranged in the metering tube and at the position of the lower opening at the bottom of the metering tube. The metering device has the advantages of low cost and accurate sampling and solves the problem of inaccurate sampling caused by typical bubbles; in addition, the metering device does not need to change auxiliary parts frequently, has rapid analysis and test, and is beneficial to guiding on-site industrial production.
Description
Technical field
The present invention relates to a kind of measuring apparatus.
Background technology
Representative accurately for guaranteeing the different reagent liquid sampling of composition, bubble causes batch different and the situation that difference is very big of sampling volume during at present at sampling or reagent, domestic and international most of apparatus manufacture all adopts the peristaltic pump constant volume samapling, or the length of utilizing external driving negative pressure to control sampling or reagent pipeline reaches constant volume samapling.The major defect of the former constant volume samapling mode is the cost height, and problem is many, needs often to safeguard, the latter is that constant volume samapling can not solve bubble and disturbs and lead the coarse problem of constant volume, and the length of pipeline is not easy control and also causes constant volume samapling inaccurate.
Summary of the invention
The present invention aims to provide a kind of simple in structure, and cost is lower, and is flexible and convenient to use, the delicate metering device that sampling volume is adjustable.
The invention provides a kind of measuring apparatus, comprising: gauge line, vertically be provided with, have upper shed and under shed; The negative pressure drive unit is connected with upper shed; The bubble rolled-up stock is arranged in the gauge line, and is positioned at the lower opening of gauge line bottom.
Further, measuring apparatus also comprises bearing, and gauge line is arranged on the bearing.
Further, bearing is provided with the slide assemblies that can vertically slide, and slide assemblies is provided with the inductor that is used for the liquid level in the sensing gauge line.
Further, slide assemblies comprises: slide bar vertically is arranged on the bearing; Sliding seat is slidingly arranged on the slide bar.
Further, the bubble rolled-up stock is a glass blister compacting ball.
Further, inductor is the infrared induction lamp.
Further, negative pressure drive unit and gauge line upper shed junction are provided with first seal.
Further, first seal comprises sealing shroud and sealing ring, and sealing ring is arranged on upper shed place, and sealing shroud is arranged on the sealing ring, and sealing shroud is set in negative pressure drive unit outside.
Further, measuring apparatus also comprises fastening seat, and gauge line is fixed on the bearing by fastening seat.
Further, be provided with second seal near the gauge line under shed.
Measuring apparatus of the present invention is simple in structure, and is with low cost, and sampling is accurate, has solved the inaccurate problem of sampling that classical bubble brings, and need not often change auxiliary, and analytical test is quick, is beneficial to instruct industry spot production.
Description of drawings
Constitute this instructions a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for illustrating principle of the present invention with instructions.Among the figure:
Fig. 1 is the structural representation of measuring apparatus of the present invention.
Embodiment
Fig. 1 is the structural representation of measuring apparatus of the present invention, as shown in the figure, the invention provides a kind of measuring apparatus, comprising: gauge line 10, vertically be provided with, and have upper shed 11 and under shed 12; Negative pressure drive unit 20 is connected with upper shed 11; Bubble rolled-up stock 30 is arranged in the gauge line 10, and is positioned under shed 12 places of gauge line 10 bottoms.Owing to placed bubble rolled-up stock 30 in gauge line 10 the insides, therefore, when liquid can crushed by bubble rolled-up stock 30 when the bottom enters gauge line 10 under the suction function that negative pressure drive unit 20 produces effectively, bubble rolled-up stock 30 can be special at different Media densities, and shape can be divided into hollow ball-shape, hollow cylindrical, open circles taper etc.
Preferably, as shown in fig. 1, the radial dimension of under shed (as diameter) is less than the radial dimension (as diameter) of bubble rolled-up stock 30.Further, the under shed of the body of gauge line 10 bottom can form tube, and the diameter of this tube is less than the diameter of gauge line body.
As shown in Figure 1, preferably, measuring apparatus also comprises bearing 40, and gauge line 10 is arranged on the bearing 40.Like this, structure is firm, is convenient to operation.
As shown in Figure 1, preferably, bearing 40 is provided with the slide assemblies 50 that can vertically slide, and slide assemblies 50 is provided with the inductor 60 that is used for the liquid level in the sensing gauge line 10.Like this, produce signal feedback, can guarantee the constant volume samapling success by inductor 60.
As shown in Figure 1, preferably, slide assemblies 50 comprises: slide bar 51 vertically is arranged on the bearing 40; Sliding seat 52 is slidingly arranged on the slide bar 51.Sliding seat 52 can be adjusted default sampling volume as required, and the quantity of sliding seat 52 can be placed according to actual needs voluntarily.
As shown in Figure 1, preferably, bubble rolled-up stock 30 is glass blister compacting balls.Like this, cost is lower, and effect is better.
As shown in Figure 1, preferably, inductor 60 is infrared induction lamps.Like this, can guarantee that constant volume samapling is more accurate.
As shown in Figure 1, preferably, negative pressure drive unit 20 is provided with first seal 70 with gauge line upper shed 11 junctions.Like this, good airproof performance is convenient to constant volume samapling better.
As shown in Figure 1, preferably, first seal 70 comprises sealing shroud 71 and sealing ring 72, and sealing ring 72 is arranged on upper shed 11 places, and sealing shroud 71 is arranged on the sealing ring 72, and sealing shroud 71 is set in negative pressure drive unit 20 outsides.Like this, can guarantee that the overall tightness of measuring apparatus is better, thereby, the levels of precision that measures guaranteed.
As shown in Figure 1, preferably, measuring apparatus also comprises fastening seat 80, and gauge line 10 is fixed on the bearing 40 by fastening seat 80.Like this, can guarantee gauge line 10 fixations, resistance to overturning is good.
As shown in Figure 1, preferably, be provided with second seal 90 near the gauge line under shed 12.Like this, can guarantee that the overall tightness of measuring apparatus is better, thereby, the levels of precision that measures guaranteed.
As shown in Figure 1, connect negative pressure drive unit 20 in the measuring apparatus of the present invention on the sealing shroud 71, liquid enters through gauge line 10 lower ends under negative pressure drive unit 20 drives, typical case's bubble is eliminated during via bubble rolled-up stock 30, when liquid promotes bubble rolled-up stock 30 arrival sliding seats 52, inductor 60 produces signal feedback on the sliding seat 52, constant volume samapling success this moment, negative pressure drive unit 20 down exert pressure again with liquid from 10 li of gauge lines push need to place liquid vessel.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a measuring apparatus is characterized in that, comprising:
Gauge line (10) vertically is provided with, and has upper shed (11) and under shed (12);
Negative pressure drive unit (20) is connected with described upper shed (11);
Bubble rolled-up stock (30) is arranged in the described gauge line (10), and the described under shed (12) that is positioned at bottom the described gauge line (10) is located.
2. measuring apparatus according to claim 1 is characterized in that, also comprises bearing (40), and described gauge line (10) is arranged on the described bearing (40).
3. measuring apparatus according to claim 2 is characterized in that, described bearing (40) is provided with the slide assemblies (50) that can vertically slide, and described slide assemblies (50) is provided with the inductor (60) that is used for the liquid level in the described gauge line of sensing (10).
4. measuring apparatus according to claim 3 is characterized in that, described slide assemblies (50) comprising:
Slide bar (51) vertically is arranged on the described bearing (40); And
Sliding seat (52) is slidingly arranged on the described slide bar (51).
5. measuring apparatus according to claim 1 is characterized in that, described bubble rolled-up stock (30) is a glass blister compacting ball.
6. measuring apparatus according to claim 3 is characterized in that, described inductor (60) is the infrared induction lamp.
7. measuring apparatus according to claim 3 is characterized in that, described negative pressure drive unit (20) is provided with first seal (70) with described gauge line upper shed (11) junction.
8. measuring apparatus according to claim 7, it is characterized in that, described first seal (70) comprises sealing shroud (71) and sealing ring (72), described sealing ring (72) is arranged on described upper shed (11) and locates, described sealing shroud (71) is arranged on the described sealing ring (72), and described sealing shroud (71) is set in described negative pressure drive unit (20) outside.
9. measuring apparatus according to claim 2 is characterized in that, also comprises fastening seat (80), and described gauge line (10) is fixed on the described bearing (40) by described fastening seat (80).
10. measuring apparatus according to claim 2 is characterized in that, is provided with second seal (90) near the described gauge line under shed (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010250497 CN101915683B (en) | 2010-08-11 | 2010-08-11 | Metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010250497 CN101915683B (en) | 2010-08-11 | 2010-08-11 | Metering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915683A true CN101915683A (en) | 2010-12-15 |
| CN101915683B CN101915683B (en) | 2013-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010250497 Active CN101915683B (en) | 2010-08-11 | 2010-08-11 | Metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101915683B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313583A (en) * | 2011-08-04 | 2012-01-11 | 湖南力合科技发展有限公司 | Electrode pipe fitting |
| CN108195622A (en) * | 2018-01-20 | 2018-06-22 | 李金平 | A kind of sampler during chemical industry synthesis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419948A (en) * | 2001-11-15 | 2003-05-28 | 中国科学院大连化学物理研究所 | Liquid delivery pump and liquid transfer pipeline degassing device |
| CN201344816Y (en) * | 2008-12-29 | 2009-11-11 | 河北先河环保科技股份有限公司 | Reagent automatic metering device |
| CN101639420A (en) * | 2009-08-31 | 2010-02-03 | 宇星科技发展(深圳)有限公司 | Quantitative sampling device |
| CN201512399U (en) * | 2009-05-19 | 2010-06-23 | 好来化工(中山)有限公司 | Device capable of preventing bubbles from being produced during viscous fluid transfer |
| CN201788105U (en) * | 2010-08-11 | 2011-04-06 | 湖南力合科技发展有限公司 | Measuring device |
-
2010
- 2010-08-11 CN CN 201010250497 patent/CN101915683B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1419948A (en) * | 2001-11-15 | 2003-05-28 | 中国科学院大连化学物理研究所 | Liquid delivery pump and liquid transfer pipeline degassing device |
| CN201344816Y (en) * | 2008-12-29 | 2009-11-11 | 河北先河环保科技股份有限公司 | Reagent automatic metering device |
| CN201512399U (en) * | 2009-05-19 | 2010-06-23 | 好来化工(中山)有限公司 | Device capable of preventing bubbles from being produced during viscous fluid transfer |
| CN101639420A (en) * | 2009-08-31 | 2010-02-03 | 宇星科技发展(深圳)有限公司 | Quantitative sampling device |
| CN201788105U (en) * | 2010-08-11 | 2011-04-06 | 湖南力合科技发展有限公司 | Measuring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313583A (en) * | 2011-08-04 | 2012-01-11 | 湖南力合科技发展有限公司 | Electrode pipe fitting |
| CN108195622A (en) * | 2018-01-20 | 2018-06-22 | 李金平 | A kind of sampler during chemical industry synthesis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101915683B (en) | 2013-06-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 7, building 410013, Jin Xin building, hi tech Industrial Development Zone, Changsha, Hunan, Changsha Applicant after: Lihe Technology (Hunan) Co.,Ltd. Address before: 7, building 410013, Jin Xin building, hi tech Industrial Development Zone, Changsha, Hunan, Changsha Applicant before: Hu'nan Lihe Science and Technoogy Development Co., ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Yang Jun Inventor after: Xiong Chunhong Inventor after: Zou Xiongwei Inventor after: Tong Shehua Inventor after: Wen Liqun Inventor after: Cai Zhi Inventor before: Yang Jun Inventor before: Xiong Chunhong Inventor before: Zou Xiongwei Inventor before: Tong Shehua Inventor before: Wen Liqun Inventor before: Cai Zhi |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HU NAN LIHE SCIENCE AND TECHNOOGY DEVELOPMENT CO., LTD. TO: LIHERO (HU NAN) CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |