CN-117753492-B - Method, system and device for adjusting measuring range of pipettor

CN117753492BCN 117753492 BCN117753492 BCN 117753492BCN-117753492-B

Abstract

The invention provides a pipette range adjusting method, an adjusting system and an adjusting device, wherein the adjusting method comprises the steps of S1, determining an adjusting base number R; S2, determining an adjusting direction D, S3, determining a rotation gear G, S4, determining a range adjusting multiple M based on the rotation gear, S5, determining an adjusting step S, S6, calculating a current single range adjusting value, S7, and calculating an accumulated adjusting value of a range. The adjusting system comprises a control component, a range adjusting component, a rotation interval time determining component, a rotation direction determining component and a range calculating component. The adjusting device comprises a display screen, a main shell, a magnetic code ring, a manual rotating piece, a magnetic induction device and a main control board. The method can carry out rapid and accurate stepless adjustment on the measuring range, realize wide-range and high-precision adjustment, and greatly improve the adjustment precision and the adjustment efficiency.

Inventors

WU KEDA
DAI JINGCHAO
WANG WEI
WANG ZHE
YU JUNHUI

Assignees

北京科易为科技有限公司

Dates

Publication Date: 20260512
Application Date: 20231222

Claims (10)

1. The method for adjusting the measuring range of the pipettor is characterized by comprising the following substeps: S1, determining an adjusting base number The base number R is adjusted to be the maximum range of the liquid transfer device, and is determined by the model of the liquid transfer device; s2, determining an adjusting direction The adjustment direction is determined based on the direction of rotation of the span adjustment assembly and, when the adjustment direction is clockwise, The value is +1, when the adjusting direction is anticlockwise, The rotation direction determining method of the range adjusting assembly comprises the following steps that a plurality of magnetic signal generating devices are uniformly arranged on the range adjusting assembly, signals are generated during rotation and are sensed by means of a signal sensing assembly, and the rotation direction of the range adjusting assembly is judged according to the sequence of signals sensed by two ends of the signal sensing assembly; S3, determining a rotation gear Determining a rotational gear , Wherein In order to achieve a high-grade level, In order to be in a middle gear, the device is provided with a gear, Is a low gear, and specifically comprises the following substeps: S31, determining rotation interval time of range adjusting assembly The interval time of the signals generated by the adjacent magnetic signal generating devices on the range adjusting assembly is the rotation interval time of the range adjusting assembly ; S32, when At this time, the rotation gear is determined Is in high grade When (1) At this time, the rotation gear is determined Is a middle gear When (1) When the rotation gear is determined Is in low gear ; S4, determining a range adjustment multiple based on the rotation gear When rotating the gear Is in high grade In the time-course of which the first and second contact surfaces, Take the value of When the gear is rotated Is a middle gear In the time-course of which the first and second contact surfaces, Take the value of When the gear is rotated Is in low gear In the time-course of which the first and second contact surfaces, Take the value of , wherein, ; S5, determining an adjustment step Determining an adjustment step based on a single rotation angle of a span adjustment assembly Every rotation when rotating clockwise The degree and the step value are increased by 1; every rotation when rotating counterclockwise Degree, step value minus 1; S6, calculating a current single-range adjustment value, wherein the calculation formula is as follows: ; S7, calculating a cumulative adjustment value of the measuring range, wherein the calculation formula is as follows: ; Wherein, the 1..N, n is the number of adjustments.
2. The method of claim 1, wherein the measuring range adjusting assembly is a magnetic code ring provided with The magnetic pole pair is used as a magnetic signal generating device, the signal induction component is a magnetic induction chip with two induction ends, Has the degree of 。
3. The method for adjusting a pipette stroke according to claim 1, wherein the adjustment base is set in step S1 And (4) determining the maximum range based on the pipette, wherein the adjustment multiple value in the step (S4) is specifically as follows: 。
4. An adjusting system for a method of adjusting a range of a pipette according to claim 1, comprising a control unit, a range adjustment unit, a rotation parameter determination unit and a range calculation unit, wherein the range adjustment unit, the rotation parameter determination unit and the range calculation unit are respectively connected with the control unit in a communication manner, the range adjustment unit is used for adjusting the range of the pipette during rotation, the rotation parameter determination unit is used for determining the rotation direction, the rotation interval time and the single rotation angle of the range adjustment unit and transmitting the rotation direction, the rotation interval time and the single rotation angle to the control unit, and the control unit determines an adjusting base number Based on rotary gear Determining a multiple of range adjustment And determining an adjustment direction based on the rotation direction Determining an adjustment step based on a single rotation angle And the measuring range calculating component calculates the current single measuring range regulating value and the accumulated regulating value of the measuring range based on the numerical value and outputs the current single measuring range regulating value and the accumulated regulating value of the measuring range.
5. The adjusting system as set forth in claim 4, wherein the control unit is a main control board, the range adjusting unit is a magnetic encoder ring, and the magnetic encoder ring is provided with A pair of group magnetic poles, Has the degree of 。
6. The adjusting system as set forth in claim 5, wherein the rotation parameter determining component is provided with a magnetic induction chip, the magnetic induction chip senses signals of the magnetic pole pairs on the magnetic code ring to determine rotation interval time and sequentially determines rotation directions through signals sensed at two ends of the magnetic induction chip, and the rotation interval time of the magnetic code ring is determined by the signal interval time of two adjacent magnetic pole pairs.
7. The adjusting device for the pipette stroke adjusting method is characterized by comprising a display screen, a main shell, a magnetic code ring, a manual rotating piece, a magnetic induction device and a main control board, wherein the manual rotating piece, the magnetic code ring, the magnetic induction device and the damping device are all arranged on the upper surface of the main shell, and the display screen is arranged above the manual rotating piece; The magnetic induction device is arranged below the magnetic code ring and has a certain interval between the magnetic code ring and the magnetic code ring, and comprises a magnetic induction chip and a magnetic induction flat cable, wherein the magnetic induction flat cable is in communication connection with the main control board; the magnetic code ring is provided with A plurality of evenly distributed magnetic pole pairs, each magnetic pole pair comprising an S pole and an N pole, Group magnetic pole pair corresponds to Virtual scales, each scale being spaced apart The degree, every time a virtual scale is travelled, represents 1 step; The magnetic induction chip comprises a first induction end and a second induction end, when the magnetic code ring rotates, the magnetic pole pairs respectively form a high level and a low level through the first induction end and the second induction end of the magnetic induction chip, and the magnetic induction chip transmits respective high-level and low-level induction signals of the first induction end and the second induction end to the main control board; Three rotary gears are arranged in the main control panel The three rotation gears are respectively high gears Middle gear And low gear The main control board determines a rotation gear based on the frequency of the sensing signal Based on rotary gear Determining adjustment times Determining an adjustment direction based on the rotation direction When the magnetic code ring rotates clockwise, The value is +1, when the magnetic code ring rotates anticlockwise, The value is-1, and the adjustment stepping is determined based on the single rotation angle ; The main control board utilizes the adjusting base Adjusting multiple Direction adjustment Adjusting the step And determining the current single-range adjustment value by the product of the multiple adjustment values to obtain the accumulated adjustment value of the range.
8. The adjusting device of claim 7, further comprising four damping devices, wherein the four damping devices are uniformly arranged on the circumference of the upper surface of the main shell, blind holes for placing the upper half part of the damping devices are arranged on two adjacent groups of magnetic poles, and the magnetic code rings are uniformly provided with a common ring The interval between two adjacent blind holes is Every time the magnetic code ring rotates There is one and only one damping device into the blind hole.
9. The device of claim 8, wherein each of the plurality of damping devices comprises a ceramic bead and a spring, a first end of the spring is disposed on the upper surface of the main housing, and a second end of the spring is disposed on the ceramic bead, wherein a top third of the ceramic bead is accessible to the blind hole when one of the plurality of damping devices corresponds to the location of the blind hole.
10. The device of claim 7, wherein the first sensing terminal and the second sensing terminal of the magnetic induction chip are communicatively connected to the main control board through respective signal lines, and the main control board is determined to rotate clockwise when the main control board first receives the sensing signal from the first sensing terminal, and is determined to rotate counterclockwise when the main control board first receives the sensing signal from the second sensing terminal.

Description

Method, system and device for adjusting measuring range of pipettor Technical Field The invention relates to the technical fields of biology, medicine and communication, in particular to a method, a system and a device for adjusting the measuring range of a pipette. Background Pipettes are widely used in life sciences, such as biology, pharmacy, diagnostics, etc. In recent years, laboratory instruments and equipment are digitally upgraded, and intelligent pipettes are also developed and marketed as the most commonly used instruments for biological experiments. The range adjustment is a basic function of a liquid transfer device, a scheme of combining a physical knob with a counter is mainly adopted by a manual liquid transfer device in the market at present, a physical key mode is mainly adopted by an electric liquid transfer device, and a mode of combining a touch screen with a side rotary button is respectively adopted. For range adjustment of a liquid shifter, although a plurality of schemes appear, most of the schemes have limitations, such as slow range adjustment speed and low efficiency of a physical knob, the problems of key failure risk and poor pressing hand feeling experience exist, and the touch scheme of the electric liquid shifter has the risk of false touch, and the setting item needs to be found in a system first, so that the operation steps are complicated. At present, intelligent pipettors have begun research and development production, but traditional physical buttons or knobs are difficult to record the setting of the measuring range and record the pipetting operation under the set measuring range, so that in order to solve the requirements that users hope to quickly and accurately set the measuring range of the pipettors, time and labor are saved, and error operation is avoided, and also in order to realize the whole-flow recording function of intelligent pipetting, an effective measuring range setting solution is required to be provided. Disclosure of Invention In order to solve the defects in the prior art, the invention aims to provide a method, a system and a device for adjusting the measuring range of a pipette, which can quickly and accurately adjust the measuring range and can realize the adjustment of the measuring range with the accuracy of 0.1ul per gear. Not only can the quick adjustment of the pipettor be realized, time and labor are saved, but also the false operation such as false touch and false touch can be avoided, and the user experience is improved. Meanwhile, the invention is also beneficial to realizing the comprehensive record of the pipetting process, is more beneficial to upgrading the pipettor from manual operation to electric operation and from electric operation to intelligent operation, and is more beneficial to realizing the process tracing and experimental data analysis of pipetting operation. Specifically, in a first aspect, the present invention provides a pipette stroke adjustment method, which specifically includes the following sub-steps: S1, determining an adjusting base number ; S2, determining an adjusting directionThe adjustment direction is determined based on the direction of rotation of the span adjustment assembly and, when the adjustment direction is clockwise,The value is +1, when the adjusting direction is anticlockwise,The rotation direction determining method of the range adjusting assembly comprises the following steps that a plurality of magnetic signal generating devices are uniformly arranged on the range adjusting assembly, signals are generated during rotation and are sensed by means of a signal sensing assembly, and the rotation direction of the range adjusting assembly is judged according to the sequence of signals sensed by two ends of the signal sensing assembly; S3, determining a rotation gear Determining a rotational gear,WhereinIn order to achieve a high-grade level,In order to be in a middle gear, the device is provided with a gear,Is a low gear, and specifically comprises the following substeps: S31, determining rotation interval time of range adjusting assembly The interval time of the signals generated by the adjacent magnetic signal generating devices on the range adjusting assembly is the rotation interval time of the range adjusting assembly; S32, whenAt this time, the rotation gear is determinedIs in high gradeWhen (1)At this time, the rotation gear is determinedIs a middle gearWhen (1)When the rotation gear is determinedIs in low gear; S4, determining a range adjustment multiple based on the rotation gearWhen rotating the gearIs in high gradeIn the time-course of which the first and second contact surfaces,Take the value ofWhen the gear is rotatedIs a middle gearIn the time-course of which the first and second contact surfaces,Take the value ofWhen the gear is rotatedIs in low gearIn the time-course of which the first and second contact surfaces,Take the value of, wherein,; S5, determining an adjustment stepDeterminin