CN2649020Y - Fully automatic detecting instrument for blood apparent viscosity - Google Patents
Fully automatic detecting instrument for blood apparent viscosity Download PDFInfo
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- CN2649020Y CN2649020Y CN 200320114579 CN200320114579U CN2649020Y CN 2649020 Y CN2649020 Y CN 2649020Y CN 200320114579 CN200320114579 CN 200320114579 CN 200320114579 U CN200320114579 U CN 200320114579U CN 2649020 Y CN2649020 Y CN 2649020Y
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- detector
- blood
- valve
- sampling
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Abstract
The utility model is a blood apparent viscosity automatic detection instrument, which is characterized in that an U type glass detector is connected by a gas collecting bottle (6), a quantitative cavity (7) and a Phi 0.5-0.6 is multiplied by 300 mm U type flow resistance tube (8). A far infrared sample recognizer (a), a close infrared plasma positioner (b) and a full blood positioner (c) are arranged in the quantitative cavity (7). The detector realizes the automatic control of the detecting process through a microcomputer (1), a lower single-chip (2) and a control circuit board (3). The blood apparent viscosity automatic detection instrument by using the utility model structure uses less blood than the existing detector through detecting the plasma or the whole blood, is simple in operation, higher in automatic level, quicker and more accurate in detection, and the measured apparent viscosity value is more precise and reliable.
Description
One, technical field
This utility model belongs to fluid rheology characteristic test instrument, is specifically related to the instrument that a kind of pressure reduction that produces with capillary element detects blood viscosity.
Two, background technology
The detector of blood viscosity, past capillary tube specific viscosity meter commonly used and rotary viscosimeter develop into afterwards with the infrared electro conversion and measure the apparent viscosity device automatically in conjunction with single board computer; Have the automatic blood flow graph of multiple band micro computer up till now again.Above-mentioned prior art all exists big defective, such as, the structure of the capillary glass tube of detector has the dead angle, easily causes eddy current that testing result is produced big error; The capillary glass tube structure that has increases potential energy also makes detection inaccurate; Simultaneously, they all are unrealized automatically, stay a lot of manual work amounts to the operator, and detection speed and accuracy are not high.
Three, summary of the invention
Goal of the invention of the present utility model is to overcome the defective that above-mentioned prior art exists, and designs the full-automatic detector of a kind of bloodviscosity, makes it to measure quickly and accurately the apparent viscosity of blood.
Realize goal of the invention of the present utility model by the following technical solutions.
The full-automatic detector of a kind of bloodviscosity, include micro computer, the next single-chip microcomputer, control circuit board, constant temperature box, peristaltic pump, logical atmospheric electricity magnet valve, solenoid purge valve, solenoid valve for sampling, sample bottle holder and sample introduction mouth, it is characterized in that: in the constant temperature box, be provided with the U type glass detector that forms by gas collecting bottle, quantitative chamber and the connection of U type flow resistance pipe, also be provided with the pressure transducer, calandria and the thermometric platinum resistance that communicate with gas collecting bottle upper end perforate; The peristaltic pump import links to each other with gas collecting bottle waist hole with flexible pipe, and the peristaltic pump outlet links to each other with solenoid purge valve with logical atmospheric electricity magnet valve with flexible pipe; The outlet of U type flow resistance pipe links to each other with solenoid valve for sampling with flexible pipe, and solenoid valve for sampling reuse flexible pipe links to each other with the sample introduction mouth.Its feature also is, quantitatively is being provided with far infrared sample evaluator in the chamber; Quantitatively also be provided with near-infrared blood plasma localizer and near-infrared whole blood localizer in the chamber; U type flow resistance pipe is the U type capillary flow resistance pipe of φ 0.5-0.6 * 300mm; The sample presentation motor that also is provided with the conversion of band screw rod is realized the upper and lower mobile of sample introduction bottle holder; Also be provided with and clean laterally moving of displacement motor realization sample introduction mouth; By micro computer, the next single-chip microcomputer and control circuit board, acceptance and processing are carried out Automatic Control from the signal input of pressure transducer, far infrared sample evaluator, near-infrared blood plasma localizer, near-infrared whole blood localizer and thermometric platinum resistance to peristaltic pump, logical atmospheric electricity magnet valve, solenoid purge valve, solenoid valve for sampling, cleaning displacement motor, sample presentation motor and calandria.
This utility model bloodviscosity detector, reasonable in design, capillary tube does not have the dead angle, can not increase potential energy yet.Bloodviscosity detector with this utility model structure is measured blood plasma or whole blood, compared with prior art, blood using amount still less, operation is more simplified, automaticity is higher, detects fasterly, more accurate, the apparent viscosity value of measurement is more accurate reliably.
Four, description of drawings
Accompanying drawing is the control circuit and the structural representation of the full-automatic detector of this utility model bloodviscosity.
Among the figure, 8-U type flow resistance pipe 9-peristaltic pump 10-logical atmospheric electricity magnet valve 11-solenoid purge valve 12-solenoid valve for sampling 13-in the quantitative chamber of the next single-chip microcomputer 3-of 1-micro computer 2-control circuit board 4-constant temperature box 5-pressure transducer 6-gas collecting bottle 7-cleans displacement motor 14-sample bottle holder 15-sample presentation motor 16-waste liquid bottle 17-cleanout fluid bottle 18-calandria 19-thermometric platinum resistance 20-sample introduction mouth a-far infrared sample evaluator b-near-infrared blood plasma localizer c-near-infrared whole blood localizer
Five, the specific embodiment
Further specify the concrete structure of the full-automatic detector of this utility model bloodviscosity and detect the operating process of bloodviscosity below in conjunction with accompanying drawing with it.
The full-automatic detector of a kind of bloodviscosity, include micro computer 1, the next single-chip microcomputer 2, control circuit board 3, constant temperature box 4, peristaltic pump 9, logical atmospheric electricity magnet valve 10, solenoid purge valve 11, solenoid valve for sampling 12, sample bottle holder 14 and sample introduction mouth 20, it is characterized in that: in constant temperature box 4, be provided with the U type glass detector that forms by air inlet bottle 6, quantitative chamber 7 and 8 connections of U type flow resistance pipe, also be provided with the pressure transducer 5, calandria 18 and the thermometric platinum resistance 19 that communicate with gas collecting bottle 6 upper end perforates; Peristaltic pump 9 imports link to each other with gas collecting bottle 6 waist holes with flexible pipe, and peristaltic pump 9 outlets link to each other with solenoid purge valve 11 with logical atmospheric electricity magnet valve 10 with flexible pipe; 8 outlets of U type flow resistance pipe link to each other with solenoid valve for sampling 12 with flexible pipe, and solenoid valve for sampling 12 reuse flexible pipes link to each other with feed nozzle 20.Its feature also is: quantitatively be provided with far infrared sample evaluator a in the chamber 7; Quantitatively also be provided with near-infrared blood plasma localizer b and near-infrared whole blood localizer c in the chamber 7.U type flow resistance pipe is the U type capillary flow resistance pipe of φ 0.5-0.6 * 300mm.The sample presentation motor 15 that also is provided with the conversion of band screw rod is realized the upper and lower mobile of sample introduction bottle holder 14; Also be provided with and clean laterally moving of displacement motor 13 realization sample introduction mouths 20.By micro computer 1, the next single-chip microcomputer 2 and control circuit board 3, accept and handle signal input, to peristaltic pump 9, logical atmospheric electricity magnet valve 10, solenoid purge valve 11, solenoid valve for sampling 12, clean displacement motor 13, sample presentation motor 15 and calandria 18 and carry out Automatic Control from pressure transducer 5, far infrared sample evaluator a, near-infrared blood plasma localizer b, near-infrared whole blood localizer c and thermometric platinum resistance 19.
The detecting operation process of blood sample is as follows.
Sample introduction: after the sample bottle that will fill blood sample is put into sample bottle holder 14, micro computer 1 sends to the next single-chip microcomputer 2 with the function corresponding order, send concrete control signal again by the next single-chip microcomputer 2, sample presentation motor 15 is just being changeed, blood sample is delivered to sample introduction mouth 20, after the signal that puts in place is passed to the next single-chip microcomputer 2 receptions, send again and inhale the sample control signal, solenoid valve for sampling 12 and logical atmospheric electricity magnet valve 10 are opened, solenoid purge valve 11 is closed, the air in the U type connection glass detector is taken out in peristaltic pump (9) counter-rotating, and sample is sucked.When sample is drawn into far infrared sample evaluator a, single-chip microcomputer 2 read this value and decision content relatively after, it is whole blood or blood plasma that decidable goes out sample, result of determination is sent the kind (whole blood or blood plasma) that micro computer 1 demonstrates sample and the current serial number of this sample; Single-chip microcomputer 2 is determined volume position, blood plasma sprocket bit or the whole blood sprocket bit of sample by sample type simultaneously.After judging that this sample puts in place, close solenoid valve for sampling 12, stablize the several seconds.
Pressurization: single-chip microcomputer 2 sends pressurization signal, closes solenoid valve for sampling 12 and solenoid purge valve 11, and peristaltic pump 9 is just changeing and is pressed into air, and single-chip microcomputer 2 is read pressure transducer 5 force value, closes logical atmospheric electricity magnet valve 10 again after reaching setting value.
Sampling: after stablizing the several seconds, opening solenoid valve for sampling 12 allows sample flow out in the sample bottle from U type connection glass detector, go out in sample flow that pressure progressively reduces in the process, the next single-chip microcomputer 2 is adopted force value one time every 1ms, and force value sent to micro computer 1, demonstrate data and " sampling curve ", when the sample liquid level arrived far infrared sample evaluator a, sampling finished.Data are handled the back through computer just can obtain sample at pressure flow velocity in each moment in the process from large to small; And the flow resistance that the size of flow velocity and sample are subjected in U type flow resistance pipe 8 is inversely proportional to, and just can calculate continually varying viscosity number under different shearing forces according to the non-Newtonian fluid kinetic theory; So demonstrate the viscosity number under " shearing force one viscosity change curve " and 200/s, 30/s, the 3/s shearing force.
Stock layout: descending by the 15 counter-rotating displacements of the next single-chip microcomputer 2 control sample presentation motors, make sample bottle fall back on the stock layout position, again by 2 controls of the next single-chip microcomputer: close solenoid purge valve 11, open logical atmospheric electricity magnet valve 10 and solenoid valve for sampling 12, peristaltic pump 9 are just changeing, sample is expelled back in the sample bottle; Descending after stock layout is finished by the 15 counter-rotating displacements of the next single-chip microcomputer 2 control sample presentation motors, make sample bottle fall back on initial position; Clean displacement motor 13 by the next single-chip microcomputer 2 controls again, sample introduction mouth 20 is moved laterally on the waste liquid bottle 16, in order to cleaning.
Clean: send control signal by the next single-chip microcomputer 2, close logical atmospheric electricity magnet valve 10, open solenoid valve for sampling 12 and solenoid purge valve 11, peristaltic pump 9 are just changeing, cleanout fluid in the cleanout fluid bottle 17 is cleaned via solenoid purge valve 11, peristaltic pump 9, gas collecting bottle 6, quantitative chamber 7, U type flow resistance pipe 8, solenoid valve for sampling 12 to sample introduction mouth 20 recoils in regular turn, at last cleanout fluid is discharged in the waste liquid bottle 16.After finishing, cleaning cleans 13 times initial positions of displacement motor.
Claims (6)
1, the full-automatic detector of a kind of bloodviscosity, include micro computer (1), the next single-chip microcomputer (2), control circuit board (3), constant temperature box (4), peristaltic pump (9), logical atmospheric electricity magnet valve (10), solenoid purge valve (11), solenoid valve for sampling (12), sample bottle holder (14) and sample introduction mouth (20), it is characterized in that:
1) in constant temperature box (4), is provided with the U type glass detector that forms by gas collecting bottle (6), quantitative chamber (7) and U type flow resistance pipe (8) connection, also is provided with the pressure transducer (5), calandria (18) and the thermometric platinum resistance (19) that communicate with gas collecting bottle (6) upper end perforate;
2) peristaltic pump (9) import links to each other with gas collecting bottle (6) waist hole with flexible pipe, and peristaltic pump (9) outlet links to each other with solenoid purge valve (11) with logical atmospheric electricity magnet valve (10) with flexible pipe;
3) U type flow resistance pipe (8) outlet links to each other with solenoid valve for sampling (12) with flexible pipe, and solenoid valve for sampling (12) reuse flexible pipe links to each other with sample introduction mouth (20).
2,, it is characterized in that in said quantitative chamber (7), being provided with far infrared sample evaluator (a) according to the described bloodviscosity detector of claim 1.
3,, it is characterized in that in said quantitative chamber (7), being provided with near-infrared blood plasma localizer (b) and near-infrared whole blood localizer (c) according to claim 1 or 2 described bloodviscosity detectors.
4,, it is characterized in that the U type capillary flow resistance pipe that is that said U type flow resistance pipe is φ 0.5-0.6 * 300mm according to the described bloodviscosity detector of claim 1.
5,, it is characterized in that being provided with the sample presentation motor (15) of being with the screw rod conversion and realize the upper and lower mobile of sample introduction bottle holder (14) according to the described bloodviscosity detector of claim 1; Also be provided with and clean laterally moving of displacement motor (13) realization sample introduction mouth (20).
6, according to the described blood detector of claim 1, it is characterized in that it is by micro computer (1), the next single-chip microcomputer (2) and control circuit board (3), accept and handle signal input, to peristaltic pump (9), logical atmospheric electricity magnet valve (10), solenoid purge valve (11), solenoid valve for sampling (12), clean be shifted motor (13), sample presentation motor (15) and calandria (18) and carry out Automatic Control from pressure transducer (5), far infrared sample evaluator (a), near-infrared blood plasma localizer (b), near-infrared whole blood localizer (c) and thermometric platinum resistance (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320114579 CN2649020Y (en) | 2003-11-11 | 2003-11-11 | Fully automatic detecting instrument for blood apparent viscosity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320114579 CN2649020Y (en) | 2003-11-11 | 2003-11-11 | Fully automatic detecting instrument for blood apparent viscosity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2649020Y true CN2649020Y (en) | 2004-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320114579 Expired - Fee Related CN2649020Y (en) | 2003-11-11 | 2003-11-11 | Fully automatic detecting instrument for blood apparent viscosity |
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| Country | Link |
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| CN (1) | CN2649020Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813599A (en) * | 2010-04-20 | 2010-08-25 | 蔡泳 | Blood viscosity fast detection device and method thereof |
| CN104615098A (en) * | 2014-12-08 | 2015-05-13 | 重庆南方数控设备有限责任公司 | System-on-chip based intelligent measuring and control system of lower computer |
-
2003
- 2003-11-11 CN CN 200320114579 patent/CN2649020Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813599A (en) * | 2010-04-20 | 2010-08-25 | 蔡泳 | Blood viscosity fast detection device and method thereof |
| CN101813599B (en) * | 2010-04-20 | 2011-09-14 | 蔡泳 | Blood viscosity fast detection device and method thereof |
| CN104615098A (en) * | 2014-12-08 | 2015-05-13 | 重庆南方数控设备有限责任公司 | System-on-chip based intelligent measuring and control system of lower computer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |