CN205657615U - Liquid control system is annotated to high accuracy - Google Patents
Liquid control system is annotated to high accuracy Download PDFInfo
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- CN205657615U CN205657615U CN201521041082.0U CN201521041082U CN205657615U CN 205657615 U CN205657615 U CN 205657615U CN 201521041082 U CN201521041082 U CN 201521041082U CN 205657615 U CN205657615 U CN 205657615U
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Abstract
The utility model discloses a liquid control system is annotated to high accuracy which includes host computer, controller and corresponds different big liquid measure liquid injection mechanism and the little liquid measure liquid injection mechanism that annotate the liquid precision, big liquid measure liquid injection mechanism includes big liquid measure pump, first drive step motor and a motor drive, little liquid measure liquid injection mechanism includes little liquid measure pump, second drive step motor and the 2nd motor drive, the upper computer connection controller to annotate the liquid instruction to controller output, the controller is according to the operation of annotating a liquid command control motor drive or the 2nd motor drive, thereby drive first drive step motor or second drive step motor moves, with drive big liquid measure pump or liquid is annotated to little liquid measure pump. The utility model discloses can select corresponding liquid injection mechanism according to required notes liquid measure to realize the high accuracy that corresponds different required precisions and annotate liquid.
Description
Technical field
This utility model relates to technical field of medical instruments, a kind of high accuracy fluid injection control system being applicable to in-vitro diagnosis equipment.
Background technology
The diagnostic method in-vitro diagnosis that medical domain is most commonly used at present, refers to that the collection body fluid of human body, Excreta, secretions carry out chemical composition or chemical reaction analysis, thus judges human lesion.Such as chemiluminometry, molecular diagnosis.These diagnostic methods, all use automatically or semi-automatically instrument to be loaded, and analyze, and provide diagnosis report.
General in-vitro diagnosis equipment needs to carry out adding sample, reagent adding, and sample size is typically small, and within 20 μ L, amount of reagent is determined according to different mensuration projects, and there is a need to big liquid measure also there is a need to low consumption of the liquid.And the accuracy requirement that is loaded is the highest, typically+-5%, precision typically requires less than 3%.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of fluid injection control system, and it can select corresponding mechanism for filling liquid according to required reservoir quantity, thus realizes the high accuracy fluid injection of corresponding different accuracy requirement.
Technical scheme that this utility model is taked is particularly as follows: a kind of high accuracy fluid injection control system, including host computer, controller and the big liquid measure mechanism for filling liquid of corresponding different fluid injection precision and low consumption of the liquid mechanism for filling liquid；
Above-mentioned big liquid measure mechanism for filling liquid includes big liquid measure pump, the first drive stepping motor and the first motor driver；The input of the first motor driver connects controller, and outfan connects the first drive stepping motor；The output shaft of the first drive stepping motor connects big liquid measure pump；
Above-mentioned low consumption of the liquid mechanism for filling liquid includes low consumption of the liquid pump, the second drive stepping motor and the second motor driver；The input of the second motor driver connects controller, and outfan connects the second drive stepping motor；The output shaft of the second drive stepping motor connects low consumption of the liquid pump；
Host computer connects controller, with to controller output fluid injection instruction, controller controls the first motor driver or the operation of the second motor driver according to fluid injection instruction, thus drives the first drive stepping motor or the second drive stepping motor to run, to drive big liquid measure pump or low consumption of the liquid pump to carry out fluid injection.
In this utility model, host computer can use computer, and controller can use microcontroller chip, and it is existing by stepper motor driven topping-up pump that stepper motor driver can use existing stepper motor driver, big liquid measure pump and low consumption of the liquid pump to be also adopted by.Staff can pass through upper computer selecting reservoir quantity, fluid injection containing reservoir quantity data is instructed and sends to controller by host computer, controller i.e. starts big liquid measure pump or low consumption of the liquid pump according to reservoir quantity demand estimation, thus sends to corresponding motor driver and drive signal.Driving for motor is also prior art.
Concrete, the reservoir quantity scope of big liquid measure pump described in the utility model is 20 μ L ~ 200 μ L, and the reservoir quantity scope of low consumption of the liquid pump is less than 20 μ L.This arranges the most corresponding in-vitro diagnosis apparatus field for big reservoir quantity and the requirement of little reservoir quantity.
Further, this utility model also includes alarm output unit, and the input of alarm output unit connects controller.When reservoir quantity requires more than 200 μ L, controller will be by alarm output unit output alarm signal, in order to reservoir quantity is required to verify by staff.
The method utilizing this utility model said system to carry out fluid injection control, comprises the following steps:
Step one, sends fluid injection by host computer to controller and instructs, and fluid injection instruction includes reservoir quantity data；
Step 2, controller receives fluid injection instruction, and extracts the reservoir quantity data in fluid injection instruction, and judges: if reservoir quantity is less than 20 μ L, then selects low consumption of the liquid mechanism for filling liquid to carry out fluid injection, goes to step 3；Such as reservoir quantity more than 20 μ L less than 200 μ L, then select big liquid measure mechanism for filling liquid to carry out fluid injection, go to step 4；If reservoir quantity is more than 200 μ L, then go to step 5；
Step 3, according to reservoir quantity data, and unit step number reservoir quantity during the second drive stepping motor driving low consumption of the liquid pump, calculate the step number to be driven of the second drive stepping motor, then control the second drive stepping motor by the second motor driver and run corresponding step number so that the reservoir quantity data during the actual reservoir quantity of low consumption of the liquid pump instructs with fluid injection are consistent；
Step 4, according to reservoir quantity data, and unit step number reservoir quantity during the first drive stepping motor big liquid measure pump of driving, calculate the step number to be driven of the second drive stepping motor, then control the first drive stepping motor by the first motor driver and run corresponding step number so that the reservoir quantity data during the actual reservoir quantity of big liquid measure pump instructs with fluid injection are consistent；
Step 5, output alarm signal.
The beneficial effects of the utility model are: carry out in in-vitro diagnosis process of the test utilizing chemical luminescence detector device, utilize system of the present utility model, corresponding mechanism for filling liquid can be selected to carry out the interpolation of sample or reagent according to actual reservoir quantity demand, and meet corresponding required precision.Fluid injection efficiency is improved, and also improves efficiency and the result degree of accuracy of in-vitro diagnosis test.
Accompanying drawing explanation
Fig. 1 show this utility model system structure schematic diagram；
Fig. 2 show application process schematic flow sheet of the present utility model.
Detailed description of the invention
Further describe below in conjunction with the drawings and specific embodiments.
As it is shown in figure 1, high-precision fluid injection control system of the present utility model, including host computer, controller and the big liquid measure mechanism for filling liquid of corresponding different fluid injection precision and low consumption of the liquid mechanism for filling liquid；
Above-mentioned big liquid measure mechanism for filling liquid includes big liquid measure pump, the first drive stepping motor and the first motor driver；The input of the first motor driver connects controller, and outfan connects the first drive stepping motor；The output shaft of the first drive stepping motor connects big liquid measure pump；
Above-mentioned low consumption of the liquid mechanism for filling liquid includes low consumption of the liquid pump, the second drive stepping motor and the second motor driver；The input of the second motor driver connects controller, and outfan connects the second drive stepping motor；The output shaft of the second drive stepping motor connects low consumption of the liquid pump；
Host computer connects controller, with to controller output fluid injection instruction, controller controls the first motor driver or the operation of the second motor driver according to fluid injection instruction, thus drives the first drive stepping motor or the second drive stepping motor to run, to drive big liquid measure pump or low consumption of the liquid pump to carry out fluid injection.
Embodiment
In embodiment shown in Fig. 1, host computer can use computer, and controller can use microcontroller chip, and it is existing by stepper motor driven topping-up pump that stepper motor driver can use existing stepper motor driver, big liquid measure pump and low consumption of the liquid pump to be also adopted by.Staff can pass through upper computer selecting reservoir quantity, fluid injection containing reservoir quantity data is instructed and sends to controller by host computer, controller i.e. starts big liquid measure pump or low consumption of the liquid pump according to reservoir quantity demand estimation, thus sends to corresponding motor driver and drive signal.Driving for motor is also prior art.
The reservoir quantity scope of big liquid measure pump is 20 μ L ~ 200 μ L, and the reservoir quantity scope of low consumption of the liquid pump is less than 20 μ L.This arranges the most corresponding in-vitro diagnosis apparatus field for big reservoir quantity and the requirement of little reservoir quantity.
The present embodiment is also provided with alarm output unit, and the input of alarm output unit connects controller.When reservoir quantity requires more than 200 μ L, controller will be by alarm output unit output alarm signal, in order to reservoir quantity is required to verify by staff.
As in figure 2 it is shown, this utility model fluid injection based on said system control method, comprise the following steps:
Step one, sends fluid injection by host computer to controller and instructs, and fluid injection instruction includes reservoir quantity data；
Step 2, controller receives fluid injection instruction, and extracts the reservoir quantity data in fluid injection instruction, and judges: if reservoir quantity is less than 20 μ L, then selects low consumption of the liquid mechanism for filling liquid to carry out fluid injection, goes to step 3；Such as reservoir quantity more than 20 μ L less than 200 μ L, then select big liquid measure mechanism for filling liquid to carry out fluid injection, go to step 4；If reservoir quantity is more than 200 μ L, then go to step 5；
Step 3, according to reservoir quantity data, and unit step number reservoir quantity during the second drive stepping motor driving low consumption of the liquid pump, calculate the step number to be driven of the second drive stepping motor, then control the second drive stepping motor by the second motor driver and run corresponding step number so that the reservoir quantity data during the actual reservoir quantity of low consumption of the liquid pump instructs with fluid injection are consistent；
Step 4, according to reservoir quantity data, and unit step number reservoir quantity during the first drive stepping motor big liquid measure pump of driving, calculate the step number to be driven of the second drive stepping motor, then control the first drive stepping motor by the first motor driver and run corresponding step number so that the reservoir quantity data during the actual reservoir quantity of big liquid measure pump instructs with fluid injection are consistent；
Step 5, output alarm signal.
In in-vitro diagnosis process of the test, utilize system and method for the present utility model utilizing chemical luminescence detector device to carry out, corresponding mechanism for filling liquid can be selected to carry out the interpolation of sample or reagent according to actual reservoir quantity demand, and meet corresponding required precision.Fluid injection efficiency is improved, and also improves efficiency and the result degree of accuracy of in-vitro diagnosis test.
It is embodied as case described in this utility model and is only preferable case study on implementation of the present utility model, be not used for limiting practical range of the present utility model.The most all equivalence changes made according to the content of this utility model claim and modification, all should be used as technology category of the present utility model.
Claims (3)
1. a high accuracy fluid injection control system, is characterized in that, including host computer, controller and the big liquid measure mechanism for filling liquid of corresponding different fluid injection precision and low consumption of the liquid mechanism for filling liquid；
Above-mentioned big liquid measure mechanism for filling liquid includes big liquid measure pump, the first drive stepping motor and the first motor driver；The input of the first motor driver connects controller, and outfan connects the first drive stepping motor；The output shaft of the first drive stepping motor connects big liquid measure pump；
Above-mentioned low consumption of the liquid mechanism for filling liquid includes low consumption of the liquid pump, the second drive stepping motor and the second motor driver；The input of the second motor driver connects controller, and outfan connects the second drive stepping motor；The output shaft of the second drive stepping motor connects low consumption of the liquid pump；
Host computer connects controller, with to controller output fluid injection instruction, controller controls the first motor driver or the operation of the second motor driver according to fluid injection instruction, thus drives the first drive stepping motor or the second drive stepping motor to run, to drive big liquid measure pump or low consumption of the liquid pump to carry out fluid injection.
High accuracy fluid injection control system the most according to claim 1, is characterized in that, the reservoir quantity scope of described big liquid measure pump is 20 μ L ~ 200 μ L, and the reservoir quantity scope of low consumption of the liquid pump is less than 20 μ L.
High accuracy fluid injection control system the most according to claim 2, is characterized in that, system also includes alarm output unit, and the input of alarm output unit connects controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041082.0U CN205657615U (en) | 2015-12-15 | 2015-12-15 | Liquid control system is annotated to high accuracy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041082.0U CN205657615U (en) | 2015-12-15 | 2015-12-15 | Liquid control system is annotated to high accuracy |
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| CN205657615U true CN205657615U (en) | 2016-10-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429534A (en) * | 2015-12-15 | 2016-03-23 | 苏州长光华医生物医学工程有限公司 | High-accuracy liquid injection control system and method |
| CN110346588A (en) * | 2018-04-04 | 2019-10-18 | 深圳市帝迈生物技术有限公司 | A kind of reagent consumption modification method, reagent liquid injection system and blood analyser |
-
2015
- 2015-12-15 CN CN201521041082.0U patent/CN205657615U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429534A (en) * | 2015-12-15 | 2016-03-23 | 苏州长光华医生物医学工程有限公司 | High-accuracy liquid injection control system and method |
| CN110346588A (en) * | 2018-04-04 | 2019-10-18 | 深圳市帝迈生物技术有限公司 | A kind of reagent consumption modification method, reagent liquid injection system and blood analyser |
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