CN207585727U - A kind of adjustable pipette capacity Full-automatic calibration device - Google Patents
A kind of adjustable pipette capacity Full-automatic calibration device Download PDFInfo
- Publication number
- CN207585727U CN207585727U CN201721521549.0U CN201721521549U CN207585727U CN 207585727 U CN207585727 U CN 207585727U CN 201721521549 U CN201721521549 U CN 201721521549U CN 207585727 U CN207585727 U CN 207585727U
- Authority
- CN
- China
- Prior art keywords
- motor
- support
- fixed
- pipettor
- optoelectronic switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses a kind of adjustable pipette capacity Full-automatic calibration devices, electronic slide unit is driven to vertically move by machine control modules, electrical turntable rotates, motor rotation drives guide rod rotation etc. to realize that manipulator takes liquid, transfer, drain operation to pipettor, the acquisition of liquid relief data is realized by electronic balance, infrared temperature sensor, the folding of electronic balance head cover is controlled by optoelectronic switch detection device upstream and downstream state, and according to vertification regulation《JJG 646‑2006》Program, which is write, in host computer realizes data processing.The utility model is mainly characterized in that reduces manually pressing operation by manipulator, and infrared measurement of temperature eliminates temperature sensor for the influence weighed, and the balance folding design based on Photoelectric Detection reduces the influence of liquid evaporation in calibration process.The present apparatus realizes the automation of calibration pipettor, reduces human error, environmental error, while calibration data can be analyzed and provide Calibration Report.
Description
Technical field
The utility model is related to pipettor field more particularly to a kind of adjustable pipette capacity Full-automatic calibration devices, should
Device relates generally to calibrate liquid-transfering gun capacity relative error and capacity repeatability (under the defined conditions, can with one
The standard of reference to the characteristic assignment of the measuring appliance including reference material, and determines its error of indication).
Background technology
Pipettor be widely used in Biochemical Lab, environmental laboratory, food analytical laboratories, hospital, health and epidemic prevention station,
In blood donor center, belong to liquid precision sample apparatus, rapid, accurate quantitative sampling can be carried out to a small amount of fluid sample and test solution
And sample-adding, for adjustable pipette, operating personnel can also adjust the capability value of pipettor according to actual needs.Pipettor conduct
Necessary equipment during liquid relief, the calibration of capacity directly affect measurement result, but in the long-term use, operation, temperature, people
Its precision can all be impacted for factor etc., pipettor not up to standard is insufficient or excessive there are liquid relief in use, can
It can cause production accident or achievement in research deviation, to ensure that result data has good precision, accuracy and confidence level,
Periodic calibration must be carried out to it.
Traditional pipettor calibration method uses measurement method, that is, weighs the pure water released in a certain scale of tested pipettor
Quality, then thus and the density of water acquires the actual volume of tested pipettor, and be compared with a calibrating point capacity.Due to root
Detection 6 times are needed according to each capacity calibrating point of national rule, 3 capability values of one adjustable pipette of detection need carry out 18
It is secondary that liquid and drain is taken to operate, it manually presses pipettor and is difficult to ensure that the degree pressed every time all meets measurement verification regulations.
Therefore, this method operating procedure repeats, is complicated, and manual operation can bring certain error, in the shifting of calibration batch time
During liquid device, these defects become apparent.
Hardware aspect, the high-freedom degree simulation manipulator that foreign countries have part company to produce can realize shifting to a certain extent
The operation of liquid device, however mechanical excessive degree of freedom, excessive degree of freedom are not needed in the actual use of calibration pipettor
It can cause to waste, and high expense also counteracts its application in pipettor calibration.Software aspects, the country designed by
Pipettor calibration system is also being constantly progressive, and the mass data of acquisition can be efficiently treated through and be analyzed, however only real
The automation of data processing is showed, also there are vacancies in the automation that pipettor controls.
Invention content
The purpose of this utility model is to provide a kind of adjustable pipette capacity Full-automatic calibration devices, solve background technology
Calibration method there are the defects of.
The purpose of this utility model is achieved through the following technical solutions：A kind of adjustable pipette capacity Full-automatic calibration
Device, by being formed with lower component：Host computer, experiment porch, electronic slide unit, first support, rectilinear orbit, electrical turntable, second
Stent, the first motor, third stent, the second motor, guide rod, optoelectronic switch transmitter, optoelectronic switch receiver, electronic balance,
Container, infrared temperature sensor.The electronic slide unit, electrical turntable, the first motor, the second motor pass through Mechanical Driven mould respectively
Block is connected with host computer, and infrared temperature sensor is connected by data collecting card with host computer, and electronic balance passes through serial ports
It is connected with host computer.
Electronic slide unit is fixed on the left of experiment porch, and the first sliding block is electronic slide unit accessory, is connect with first support left end,
Rectilinear orbit is fixed on the right side of experiment porch, and the second sliding block is rectilinear orbit accessory, is connect with first support right end.Electrical turntable
It is fixed in first support, second support exports axis connection with electrical turntable, and second support is divided into left and right Liang Ge branches, each branch
It is laid out identical, the first motor is fixed in second support, and third stent is connect with the first motor output shaft, and the second motor is fixed on
On third stent, the output axis connection of guide rod and the second motor is calibrated the end that pipettor is fixed on third stent.
Electronic balance is positioned on experiment porch, and day flat deck roof is the accessory of electronic balance, and host computer can be with by serial ports
Control the movement of day flat deck roof to the right and to the left.Container is positioned in electronic balance, and infrared temperature sensor is fixed on a day flat-top
It covers, inside the infrared beam alignment container that when thermometric emits.It is calibrated inside the suction nozzle alignment container of pipettor.
Optoelectronic switch transmitter is fixed on electronic slide unit, and optoelectronic switch receiver is fixed on rectilinear orbit, and photoelectricity
Switch transmitter is with optoelectronic switch receiver to dress of feeling at ease.
Description of the drawings
Fig. 1 is the structure diagram of the utility model calibrating installation；The structure of calibrating installation is shown when Fig. 2 is pipettor drain
It is intended to.
In figure, experiment porch 1, electronic slide unit 2, the first sliding block 3, first support 4, electrical turntable 5, the second sliding block 6, straight line
Track 7, second support 8, the first motor 9, third stent 10, the second motor 11, guide rod 12, be calibrated pipettor 13, photoelectricity is opened
Close transmitter 14, optoelectronic switch receiver 15, electronic balance 16, day flat deck roof 17, container 18, infrared temperature sensor 19.
Specific embodiment
A kind of adjustable pipette capacity Full-automatic calibration device, by being formed with lower component：It is host computer, experiment porch 1, electronic
Slide unit 2, first support 4, rectilinear orbit 7, electrical turntable 5, second support 8, the first motor 9, third stent 10, the second motor
11st, guide rod 12, optoelectronic switch transmitter 14, optoelectronic switch receiver 15, electronic balance 16, container 18, infrared temperature sensor
19.The electronic slide unit 2, electrical turntable 5, the first motor 9, the second motor 11 pass through Mechanical Driven module and host computer phase respectively
Connection, infrared temperature sensor 19 are connected by data collecting card with host computer, and electronic balance 16 passes through serial ports and host computer
It is connected.
Electronic slide unit 2 is fixed on 1 left side of experiment porch, and the first sliding block 3 is electronic 2 accessory of slide unit, with 4 left end of first support
Connection, rectilinear orbit 7 are fixed on 1 right side of experiment porch, and the second sliding block 6 is 7 accessory of rectilinear orbit, is connected with 4 right end of first support
It connects.Electrical turntable 5 is fixed in first support 4, and second support 8 exports axis connection with electrical turntable 5, and second support 8 is divided for a left side
You Liangge branches, each branch's layout is identical, and the first motor 9 is fixed in second support 8, and third stent 10 and the first motor 9 are defeated
Go out axis connection, the second motor 11 is fixed on third stent 10, and the output axis connection of 12 and second motor 11 of guide rod is calibrated
Pipettor 13 is fixed on the end of third stent 10.
Electronic balance 16 is positioned on experiment porch 1, and day flat deck roof 17 is the accessory of electronic balance 16, and host computer passes through string
Mouth can control movement of day flat deck roof 17 to right and left.Container 18 is positioned in electronic balance 16, infrared temperature sensor
It is fixed on day flat deck roof 17, inside the infrared beam alignment container 18 that when thermometric emits.It is calibrated the suction nozzle pair of pipettor 13
Inside quasi- container 18.
Optoelectronic switch transmitter 14 is fixed on electronic slide unit 2, and optoelectronic switch receiver 15 is fixed on rectilinear orbit 7,
And optoelectronic switch transmitter 14 is filled with optoelectronic switch receiver 15 to feeling at ease.
A kind of pipettor calibration method based on adjustable pipette capacity Full-automatic calibration device, includes the following steps.
(1) pass through the electronic slide unit 2 of PC control, electrical turntable 5, the first motor 9,11 integral reset of the second motor.
(2) 11 rotational angle A1 of the second motor of PC control, the second motor output shaft drive guide rod 12 to rotate, and guide rod is pressed
Pressure is calibrated 13 button of pipettor to the first halt.
(3) the electronic slide unit 2 of PC control so that the first sliding block 3 displacement distance X1 vertically downward so that be calibrated liquid relief
The suction nozzle of device 13 2 to 3mm under 18 liquid level of container at.During the first sliding block 3 moves, blocked when being calibrated pipettor 13
When optoelectronic switch transmitter 14 and optoelectronic switch receiver 15 are to heart line, host computer controls day flat deck roof 17 to the right by serial ports
Movement is until day flat deck roof opens wide completely.
(4) the second motor of PC control 11 resets, and is calibrated pipettor 13 and draws liquid into suction nozzle, waits for upper after 2s
Machine controls electronic slide unit 2 to reset.During the first sliding block 3 moves, optoelectronic switch transmitting is left when being calibrated pipettor 13
When device 14 and optoelectronic switch receiver 15 are to heart line, host computer controls day flat deck roof 17 to be moved to the left until day by serial ports
Flat deck roof is closed completely.
(5) host computer obtains initial mass value m1 by electronic balance 16.
(6) the electronic slide unit 2 of PC control so that the first sliding block 3 displacement distance X2 vertically downward so that be calibrated liquid relief
The suction nozzle of device 13 is at 18 ullage 2 to 3mm of container.During the first sliding block 3 moves, hidden when being calibrated pipettor 13
When being in the light electric switch transmitter 14 and optoelectronic switch receiver 15 to heart line, host computer passes through serial ports and controls day flat deck roof 17
It moves right until day flat deck roof opens wide completely.
(7) 9 rotational angle A2 of the first motor of PC control, the first motor output shaft drive third stent 10 to rotate, make
Suction nozzle contact 18 inner wall of container of pipettor 13 must be calibrated.11 rotational angle A1 of the second motor of PC control, the second motor
Output shaft drives guide rod 12 to rotate, and guide rod pressing is calibrated 13 button of pipettor to the first halt.Wait for 2s, PC control
Second motor, 11 rotational angle A3, the second motor output shaft drive guide rod 12 to rotate, and guide rod pressing is calibrated 13 button of pipettor
To complete halt.Pipettor is by the fluid removal in suction nozzle at this time.The second motor of PC control 11 resets.PC control
First motor 9 resets.
(8) the electronic slide unit 2 of PC control resets.The first sliding block 3 move during, when be calibrated pipettor 13 from
When opening the light electric switch transmitter 14 and optoelectronic switch receiver 15 to heart line, host computer by serial ports control day flat deck roof 17 to
It moves left until day flat deck roof is closed completely.
(9) host computer obtains final mass value m2 by electronic balance 16.
(10) host computer obtains liquid actual temperature t in container 18 by infrared temperature sensor 19, obtains fluid temperature
Lower corresponding calibration factor related coefficient K (t) obtains actual weight m=(m1- according to terminal weight m2 and initial weight m1
M2), actual volume V '=K (t) m are obtained.
(11) k measurement is carried out according to step 2~10, obtains the volume number that first pipettor measures under range V1
According to V '111~V '11k。
(12) PC control electrical turntable 5 rotates 180 °, carries out k measurement according to step 2~11, obtains second shifting
The volume data V' that liquid device measures under range V1211~V'21k。
(13) range of 2 pipettors is adjusted, repeats step 2~12, obtains what i-th pipettor measured under range Vj
Volume data V 'ijk。
(14) according to volume and actual volume is measured, the capacity relative error of pipettor and capacity repeatability are obtained.Wherein,
Capacity relative error of i-th pipettor under range Vj be：
Wherein
Capacity repeatability of i-th pipettor under range Vj is：
Wherein
Wherein, i expressions are calibrated the serial number of pipettor, the range serial number that j expressions are calibrated, and k expressions carry out experiment serial number,
I=1~2, j=1~3, k=6.
Claims (4)
1. a kind of adjustable pipette capacity Full-automatic calibration device, by being formed with lower component：It is computer, experiment porch (1), electronic
Slide unit (2), first support (4), rectilinear orbit (7), electrical turntable (5), second support (8), the first motor (9), third stent
(10), the second motor (11), guide rod (12), optoelectronic switch transmitter (14), optoelectronic switch receiver (15), electronic balance
(16), container (18), infrared temperature sensor (19)；The electronic slide unit (2), electrical turntable (5), the first motor (9), second
Motor (11) is connected respectively by Mechanical Driven module with host computer, infrared temperature sensor (19) by data collecting card with
Host computer is connected, and electronic balance (16) is connected by serial ports with host computer.
2. a kind of adjustable pipette capacity Full-automatic calibration device described in claim 1, it is characterized in that：Electronic slide unit (2) is solid
On the left of experiment porch (1), the first sliding block (3) is electronic slide unit (2) accessory, is connect with first support (4) left end, straight line rail
Road (7) is fixed on the right side of experiment porch (1), and the second sliding block (6) is rectilinear orbit (7) accessory, is connected with first support (4) right end
It connects；Electrical turntable (5) is fixed in first support (4), and second support (8) exports axis connection, second support with electrical turntable (5)
(8) it is divided into left and right Liang Ge branches, each branch's layout is identical, and the first motor (9) is fixed in second support (8), third stent
(10) axis connection is exported with the first motor (9), the second motor (11) is fixed on third stent (10), guide rod (12) and the second electricity
The output axis connection of machine (11) is calibrated the end that pipettor (13) is fixed on third stent (10).
3. a kind of adjustable pipette capacity Full-automatic calibration device described in claim 1, it is characterized in that：Electronic balance (16) is put
It is placed on experiment porch (1), day flat deck roof (17) is the accessory of electronic balance (16), and host computer can control balance by serial ports
Movement of the head cover (17) to right and left；Container (18) is positioned in electronic balance (16), and infrared temperature sensor is fixed on day
On flat deck roof (17), the infrared beam alignment container (18) that when thermometric emits is internal；It is calibrated the suction nozzle alignment of pipettor (13)
Container (18) is internal.
4. a kind of adjustable pipette capacity Full-automatic calibration device described in claim 1, it is characterized in that：Optoelectronic switch transmitter
(14) it is fixed on electronic slide unit (2), optoelectronic switch receiver (15) is fixed on rectilinear orbit (7), and optoelectronic switch emits
Device (14) is with optoelectronic switch receiver (15) to dress of feeling at ease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521549.0U CN207585727U (en) | 2017-11-15 | 2017-11-15 | A kind of adjustable pipette capacity Full-automatic calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721521549.0U CN207585727U (en) | 2017-11-15 | 2017-11-15 | A kind of adjustable pipette capacity Full-automatic calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207585727U true CN207585727U (en) | 2018-07-06 |
Family
ID=62731854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721521549.0U Expired - Fee Related CN207585727U (en) | 2017-11-15 | 2017-11-15 | A kind of adjustable pipette capacity Full-automatic calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207585727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665558A (en) * | 2019-11-11 | 2020-01-10 | 马冬梅 | Automatic reagent precise adding device |
-
2017
- 2017-11-15 CN CN201721521549.0U patent/CN207585727U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665558A (en) * | 2019-11-11 | 2020-01-10 | 马冬梅 | Automatic reagent precise adding device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107917747A (en) | A kind of hand-held capacity calibration device of pipettor and its calibration method | |
| CN107115905B (en) | A kind of the batch calibrating installation and calibration method of hand-held pipettor capacity | |
| CN106799266B (en) | A kind of hand-held capacity calibration device of pipettor and calibration method | |
| CN206330655U (en) | A kind of hand-held capacity calibration device of pipettor | |
| JP5405762B2 (en) | Apparatus and method for volume measurement by weight measurement of liquid and analyzer including this apparatus | |
| CN106353278B (en) | Edaphon breathes δ13C CONTINUOUS VISCOSITY MEASURING | |
| CN103983606B (en) | Portable near infrared edible oil quality fast detector | |
| CN207074168U (en) | A kind of mixer with mixture homogeneity on-line measuring device | |
| CN209589831U (en) | A kind of intelligent measurement water quality test device | |
| CN104483164A (en) | On-site multi-spot water-sample sampling device and COD (chemical oxygen demand) content detection method | |
| CN207585727U (en) | A kind of adjustable pipette capacity Full-automatic calibration device | |
| CN202092927U (en) | Automatic kinematic viscosity tester | |
| CN102879506A (en) | Automatic gas sampling device and using method thereof | |
| CN104677827A (en) | Deducting device and deducting method for visible near-infrared diffuse reflection base signal and based on portable optical fiber spectrometer | |
| CN105158450A (en) | Thromboela-stogram instrument | |
| CN104132720A (en) | Method for quickly detecting tablet weight of medicine tablets through near infrared spectroscopy | |
| CN103308417A (en) | Meat moisture tester | |
| CN108760671A (en) | A kind of breast milk infrared detecting device | |
| CN203688050U (en) | Automatic drying, cooling, balancing and weighing device | |
| CN204044167U (en) | Water Quality on-line Automatic Monitor | |
| CN204008454U (en) | Portable near infrared spectrometer for detection of mould index in storage paddy | |
| CN213749619U (en) | Chemical oxygen demand detection device | |
| CN110068650A (en) | A kind of multi-functional water-bath oxidimetric titration analysis workbench | |
| CN114471273A (en) | Dilution system for medical reagent sample liquid inspection and use method thereof | |
| CN105352891B (en) | Urine desiccation analysis method and device based on beam splitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20181115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |