CN201965137U - Scanning and stirring driving mechanism of analyzer - Google Patents
Scanning and stirring driving mechanism of analyzer Download PDFInfo
- Publication number
- CN201965137U CN201965137U CN2010206173783U CN201020617378U CN201965137U CN 201965137 U CN201965137 U CN 201965137U CN 2010206173783 U CN2010206173783 U CN 2010206173783U CN 201020617378 U CN201020617378 U CN 201020617378U CN 201965137 U CN201965137 U CN 201965137U
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- test tube
- stirring
- scanning
- belt pulley
- direct current
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Abstract
The utility model relates to a scanning and stirring driving mechanism for an analysis detection instrument, particularly for a blood analyzer. A direct current motor is arranged on a stirring and scanning driving support; a belt pulley is arranged on a shaft of the direct current motor; a conical test tube pressure cover and a belt pulley which are concentric with a sampling needle are arranged on the stirring and scanning driving support; the conical test tube pressure cover and the belt pulley rotate coaxially; and the stirring and scanning driving support drives the direct current motor, the belt pulleys, the conical test tube pressure cover which are arranged on the stirring and scanning driving support to move together vertically. Not only can the mechanism be used for the blood analyzer, but also the mechanism can be used for other analysis instruments which need to stir a sample in a test tube and scan a barcode. The scanning and stirring driving mechanism of the analyzer integrates a barcode scanning driving mechanism with a stirring mechanism, simultaneously realizes the two functions of barcode scanning driving and stirring, realizes complicated functions with a simple structure and can effectively shorten the preparation time for the instrument to analyze the sample, so that the analysis efficiency is improved.
Description
Technical field
The utility model relates to and is used for analysis and detecting instrument, in particular for scanning, the stirring driving machine structure of blood analyser.
Background technology
In the existing various automatic hematology analyzer, once can place 10-50 or more body blood sample, before the detection, must scan the bar code of identification blood sample, sample drawn is analyzed to instrument internal again.The blood of human body that has added anti-coagulants, prolongation along with standing time, can precipitate gradually, from beginning to test first sample to last sample of test, the time maximum differed nearly 5 hours, the blood sample of different time post precipitation, and the concentration of its active principle is an irregular changing value, before test, the blood of human body sample must be stirred, could guarantee precision of test result.
The structure motion mode of sampling mechanism and rabbling mechanism in the existing blood analyser, as: No. 5232081 United States Patent (USP), patent document US 5110743, Chinese patent 200480028139 etc., through analysis-by-synthesis, roughly have so several: 1, with the whole rotation of whole blood sample frame, like this, the one, volume is bigger, the 2nd, from beginning to place test sample, the blood of test stirring number of times has big difference to the end, and top sample may only stir 1～2 time, the back samples tested stirs number of times may be just nearly inferior surplus in the of 30, might have a negative impact.
2, before test, use a mechanical arm, grasp the blood sample test tube, do the action of turning upside down, this effect structure is pretty good, still, complex structure.
3, rotate by test tube self and stir, when test tube rotates, invisible spectro material is followed the test tube choosing because of friction force to be changeed, and the centrifugal force that rotation produces rises deposit along test tube wall after, test tube stops the rotation, when invisible spectro material descends because of action of gravity, also, repeat 1-5 time like this, just invisible spectro material can be stirred because of inertia continues rotation, in such stirring, it is motionless that the upright position of test tube keeps.Test tube is activated and rotates around self vertical axis, with the direction of alternation, for invisible spectro material being stirred, generally needs to drive test tube with per minute 1000---the 3000 rotating speeds rotations of changeing.
In fully-automatic analyzer, sample majority to be tested has all sticked computing machine bar shaped identification code, for the sample number is corresponding one by one with testing result, automatic analytical instrument is before detecting sample, all to the test tube of dress sample be scanned, test tube bar code is scanned, must drive test tube low speed (approximately per minute 30-300 changes) rotation.
Common instrument stirs and the function of scanning is next separately-driven by two mechanisms, mechanism's relative complex.
Summary of the invention
The purpose of this utility model is to provide a kind of while can realize the mechanism of bar code scan and agitating function.
The purpose of this utility model is achieved through the following technical solutions: a kind of scanning of analyser, stirring driving machine structure, on stirring and turntable driving support, direct current generator is installed, on the axle of this direct current generator, belt pulley is installed, taper test tube pressure cover and the belt pulley concentric with sampling probe are installed on above-mentioned stirring and turntable driving support, described taper test tube is pressed cover and the coaxial rotation of belt pulley, and stirring drives direct current generator, belt pulley, the taper test tube installed on it with the turntable driving support and presses cover and the common vertical moving of belt pulley.
Promptly, with a direct current generator, drive an inverted taper test tube and press cover, before sampling, the taper test tube presses cover to push down test tube, is connected with the power supply through width modulation on the direct current generator, control motor-driven test tube low speed (approximately per minute 15～300 changes) rotation, like this, the photoelectricity barcode scanner can scan identification bar code reliably.
After the scanning identification bar code is finished, stir invisible spectro sample, direct current generator is connected with the power supply through the motor rated voltage, and control motor-driven test tube is (approximately per minute 1000～3000 changes) rotation at a high speed, generally rotates 1～6 second, stop 0.5～10 second, according to different materials, set suitable rotational time and stand-by time, like this, circulate 1～5 time, just invisible spectro liquid substance can be stirred.
During for fear of the test tube high speed rotating and the test tube rack bottom friction give birth to heat, can add a pad or a bearing of making by the low especially material of friction factor in the test tube rack bottom.
Because the taper test tube presses cover to push down test tube, sometimes be difficult to keep test tube and taper test tube to press cover coaxial, during control motor-driven test tube high speed rotating, can cause the test tube rack vibrations and produce noise, in order to reduce the noise that vibrations cause, respectively adding two or more rubber absorbers on the test tube rack or on test tube rack front apron and the backboard, rubber absorbers also can be installed on the test tube rack.In order to reduce friction force and the wearing and tearing that rubber absorbers produce when test tube rack moves, can also load onto a plane of making on each rubber absorbers surface by the lower material of friction factor.
Obviously, the scanning of this analysis instrument, stirring driving machine structure are except being used for also can being used for the analytical instrument that other need stir invisible spectro sample and scanning barcode the blood analyser.
Advantage of the present utility model and beneficial effect are: 1. the utility model is integrated bar code scan driving mechanism and rabbling mechanism, realize that simultaneously bar code scan drives and stir two kinds of functions, realize complicated function with simple structure, can shorten the preliminary work time of instrumental analysis sample effectively, improve the efficient of analyzing.
2. the utility model has reduced the cost of product and the probability that fault takes place, and has prolonged the time that fully-automatic analyzer moves continuously, has improved operational efficiency.
Description of drawings
Fig. 1 the utility model structural representation.
Fig. 2 the utility model axis of no-feathering view.
The structural representation of Fig. 3 the utility model rubber absorbers.
Among the figure: 1---sampling probe, 2---stir and the turntable driving support 3---belt pulley, 4---cap test tube, 5---the test tube rack backboard; 6---elastic dampers, 7---elastic dampers, 8---sliding bearing, 9---the analyser base plate; 10---the test tube rack front apron, 11---test tube rack, 12---test tube, 13---the taper test tube is pressed cover, 14---belt pulley, 15---driving belt, 16---direct current generator, 17---bar-code scanner, 18T shape disk.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, on stirring and turntable driving support 2, direct current generator 16 is installed, belt pulley 14 is installed on the direct current arbor, stir with turntable driving support 2 on also installed with the concentric taper test tube of sampling probe 1 and pressed cover 13 and belt pulley 3, the taper test tube is pressed cover 13 and belt pulley 3 coaxial rotations, and stirring can drive direct current generator 16, belt pulley 14, the taper test tube installed on it with turntable driving support 2 and press cover 13, belt pulley 3 common vertical moving.
Analyser is when beginning to analyze, stir with turntable driving support 2 and descend, make the taper test tube press cover 13 to push down cap test tube 4, the control system of analyser drives direct current generator 16 rotations, drive belt pulley 3 and 13 rotations of taper test tube pressure cover by belt pulley 14 through driving belt 15, promptly drive test tube 12 rotations.In order to reduce the moment requirement to direct current generator, the belt pulley 14 on the motor presses the diameter of the belt pulley 3 on the cover than being advisable with 1: 1.5～3 with the taper test tube.
Scanning barcode at first, control system is supplied with 50～200 milliseconds electric pulse to motor, stops 10～100 milliseconds, powers by this way for 2～4 seconds, drives test tube low speed (approximately per minute 15-300 changes) rotation, and test tube rotates 10 °～60 ° at every turn.Because the bar code width shared angle of circumference on test tube on the test tube is about as much as 60 °, so the angle of test tube rotation is not needed accurate control, general test tube rotation 1～3 circle back just can be scanned and recognize bar code.After scanning recognizes bar code, control direct current generator then and stir operation.
When being used for blood sample and stirring evenly, the proper rotating speed of test tube is between per minute 2000～3000 changes, to rotate duration 2～3 seconds, stops 1～3 second, moving 3 times of corotation, and the time spent just can reach the purpose that stirs evenly in totally 12～20 seconds substantially.
In order to be fit to stirring evenly of different samples, control program should be adjusted rotation time by operating personnel, stand-by time, parameters such as cycle index.Also can set various sample parameters needed, the user only need select sample type, has just selected the predetermined optimal parameter of program.
During for fear of the test tube high speed rotating and the test tube rack bottom friction give birth to heat, add a pad of making by the low especially material of friction factor in test tube rack 11 bottoms as bearing 8 (sliding bearing of making such as the pad of polytetrafluoroethylplastic plastic), evidence, effect is fine.
In order to reduce the noise that vibrations cause, respectively adding two or more rubber absorbers on the test tube rack 11 or on test tube rack backboard 5 and the front apron 10, rubber absorbers are with diameter 3～4mm, thickness of pipe 0.5～1mm is advisable, as the elastic dampers on Fig. 16, elastic dampers 7, the elastic dampers 6 on Fig. 3.
Be worn for fear of the rubber absorbers surface, can also load onto a material that friction factor is lower on the rubber absorbers surface, as Fig. 3, the T shape disk of making by polytetrafluoroethylplastic plastic or other similar materials 18.
Claims (5)
1. the scanning of an analyser, the stirring driving machine structure, it is characterized in that: on stirring and turntable driving support (2), direct current generator (16) is installed, on the axle of this direct current generator (16), belt pulley (14) is installed, taper test tube pressure cover (13) and the belt pulley (3) concentric with sampling probe (1) are installed on above-mentioned stirring and turntable driving support (2), described taper test tube is pressed cover (13) and the coaxial rotation of belt pulley (3), stirs with turntable driving support (2) and drives the direct current generator of installing on it (16), belt pulley (14), the taper test tube is pressed cover (13) and the common vertical moving of belt pulley (3).
2. scanning as claimed in claim 1, stirring driving machine structure is characterized in that: before sampling, the taper test tube presses cover (13) to push down test tube rack (11), is connected with the direct supply through width modulation on the direct current generator (16), the rotation of control motor-driven test tube.
3. scanning as claimed in claim 2, stirring driving machine structure is characterized in that: test tube rack (11) bottom is provided with pad or bearing.
4. scanning as claimed in claim 2, stirring driving machine structure is characterized in that: test tube rack (11) go up or test tube rack front apron (10), backboard (5) on respectively be provided with at least one elastic dampers (6) and rubber absorbers (7).
5. scanning as claimed in claim 4, stirring driving machine structure is characterized in that: be provided with T shape disk (18) at elastic dampers (6) and elastic dampers (7) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206173783U CN201965137U (en) | 2010-11-22 | 2010-11-22 | Scanning and stirring driving mechanism of analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206173783U CN201965137U (en) | 2010-11-22 | 2010-11-22 | Scanning and stirring driving mechanism of analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965137U true CN201965137U (en) | 2011-09-07 |
Family
ID=44527683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206173783U Expired - Lifetime CN201965137U (en) | 2010-11-22 | 2010-11-22 | Scanning and stirring driving mechanism of analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201965137U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096773A1 (en) * | 2013-12-26 | 2015-07-02 | 杭州中翰盛泰生物技术有限公司 | Shaking device for fully-automatic instant check meter |
| CN109633186A (en) * | 2018-12-07 | 2019-04-16 | 武汉纽康度生物科技股份有限公司 | Full-automatic fluorescence immunity analyzer |
| CN112147355A (en) * | 2019-06-28 | 2020-12-29 | 深圳迈瑞生物医疗电子股份有限公司 | Test tube screening device and method, sample analysis system and storage medium |
-
2010
- 2010-11-22 CN CN2010206173783U patent/CN201965137U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096773A1 (en) * | 2013-12-26 | 2015-07-02 | 杭州中翰盛泰生物技术有限公司 | Shaking device for fully-automatic instant check meter |
| US9962668B2 (en) | 2013-12-26 | 2018-05-08 | Hangzhou Joinstar Biomedical Technology Co., Ltd. | Shaking device for fully-automatic instant check meter |
| CN109633186A (en) * | 2018-12-07 | 2019-04-16 | 武汉纽康度生物科技股份有限公司 | Full-automatic fluorescence immunity analyzer |
| CN112147355A (en) * | 2019-06-28 | 2020-12-29 | 深圳迈瑞生物医疗电子股份有限公司 | Test tube screening device and method, sample analysis system and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
|
| CX01 | Expiry of patent term |