CN114705270A - Biological reagent liquid volume detection system and method - Google Patents

Biological reagent liquid volume detection system and method Download PDF

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Publication number
CN114705270A
CN114705270A CN202210116568.4A CN202210116568A CN114705270A CN 114705270 A CN114705270 A CN 114705270A CN 202210116568 A CN202210116568 A CN 202210116568A CN 114705270 A CN114705270 A CN 114705270A
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CN
China
Prior art keywords
biological reagent
liquid
measuring
laser probe
detection
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Pending
Application number
CN202210116568.4A
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Chinese (zh)
Inventor
任海涛
赵建朋
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Beijing Hzytzn Technology Co ltd
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Beijing Hzytzn Technology Co ltd
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Application filed by Beijing Hzytzn Technology Co ltd filed Critical Beijing Hzytzn Technology Co ltd
Priority to CN202210116568.4A priority Critical patent/CN114705270A/en
Publication of CN114705270A publication Critical patent/CN114705270A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F22/00—Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only

Abstract

The invention provides a biological reagent liquid amount detection system and a method, and relates to the technical field of measuring equipment, wherein the detection system comprises a detection mechanism and a movement mechanism, the detection mechanism is arranged on the movement mechanism, the detection mechanism consists of a laser probe, a controller and a data processing all-in-one machine, a measuring head is arranged at the detection end of the laser probe, the installation distance between the measuring head and a color laser source of the laser probe is 60-300 mm, the inclination angle of the measuring head is 4.5-15 degrees, and the measuring head is a color lens. The invention utilizes the synchronous liquid level and carrier inner surface detection function of the laser probe, obtains the distance difference or volume difference through the detected distance to detect the liquid amount of the biological reagent liquid, and simultaneously utilizes the laser color spectrum confocal principle to independently or synchronously obtain the distance value between the liquid level of the biological reagent liquid and the carrier inner surface in the detection range, thereby rapidly and accurately measuring the liquid amount of the biological reagent liquid in the container.

Description

Biological reagent liquid volume detection system and method
Technical Field
The invention belongs to the technical field of measuring equipment, and particularly relates to a biological reagent liquid amount detection system and method.
Background
At present, in the production line of biological reagents and liquid medicines of biological medicine enterprises, the phenomena of wrong addition, missing addition, liquid splashing, deviation of specified liquid amount and the like often occur in the key processes of liquid injection, filling and the like, so that the biological reagents and liquid medicines have high unqualified rate, and the terminal application shows false positive, false negative, poor result repeatability, insufficient or over-standard effective components of the liquid medicines, large batch-to-batch difference and the like. Especially on a micro (micro-upgrading) filled product production line, operation errors, personnel errors, insufficient time for recording monitoring results one by one and the like exist in manual monitoring, traceability of a production process cannot be effectively guaranteed, qualitative or quantitative accurate detection cannot be realized until now, digital management of quality control cannot be realized, and a lot of adverse effects are generated on control of the production process, product quality, detection results of medical institutions, human health and the like.
The quality detection of the existing filling is as follows:
manual detection: the manual detection has accidental errors, and only a small amount of spot check can be realized by means of visual inspection, a balance, a pipette and the like.
Image detection: the liquid level to be detected is photographed, the liquid level cannot be accurately measured by using an image comparison method, the control on the sensitivity is not of practical significance, backlight imaging is needed, and the light-tight liquid cannot be used.
Ultrasonic detection: the detection precision can not meet the requirement of reagent sensitivity, and the requirement on liquid carriers is very high, so that the application scene is limited.
Detecting a liquid level floating ball: the contact detection is not basically applied to the finished product detection of reagents and liquid medicines.
In view of the above, research and improvement are made on the existing structure and defects, and a biological reagent liquid amount detection system and method are provided to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a biological reagent liquid amount detection system, which is achieved by the following specific technical means:
a biological reagent liquid amount detection system comprises a detection mechanism and a movement mechanism, wherein the detection mechanism is installed on the movement mechanism and consists of a laser probe, a controller and a data processing all-in-one machine, a measuring head is installed at the detection end of the laser probe, the installation distance between the measuring head and a color laser source of the laser probe is 60-300 mm, the inclination angle of the measuring head is 4.5-15 degrees, and the measuring head is a color lens; the movement mechanism comprises a pair of fixed supports and a group of movable supports, the movable supports are movably arranged on the top sides of the fixed supports, and the detection mechanism is arranged on one side of the movable supports.
Furthermore, the laser probe is connected with the controller through an optical fiber line, the controller is connected with the data processing all-in-one machine through a network cable, and a display screen is arranged on one side of the data processing all-in-one machine.
It is further, a pair of fixed bolster and a set of electronic slider is all installed to the top side of moving movable support, and is a pair of the mutual parallel arrangement of fixed bolster, and both ends of both all are through connecting rod interconnect, it is a pair of to move movable support setting the top side of fixed bolster, and its both ends respectively with the electronic slider fixed connection on the fixed bolster, the fixed plate is installed to one side of moving movable support, just fixed plate and the electronic slider fixed connection on the moving movable support, laser probe and fixed plate fixed mounting among the detection mechanism.
Furthermore, the top sides of the pair of fixed brackets and the group of movable brackets are provided with mounting grooves, linear guide rails are mounted in the mounting grooves, and the linear guide rails are in transmission connection with the pair of fixed brackets and the group of electric sliders on the movable brackets respectively.
Furthermore, an electronic level meter is installed on one side of the fixing plate and electrically connected with the controller through a lead.
Furthermore, a pair of mounting holes have all been seted up at the both ends of fixed bolster, and all the cartridge has adjustment mechanism in the mounting hole, adjustment mechanism includes fixed barrel, the bottom activity cartridge of fixed barrel has the supporting legs, the screw has been seted up on the top of supporting legs, the rotation seat is installed on the top of fixed barrel, the inside cartridge that rotates of rotation seat has the screw rod, just the bottom and the mutual interlock of screw rod are connected, the top installation of screw rod has the regulation crank.
Further, the guide way has been seted up to the top bilateral symmetry of fixed barrel, just the supporting legs all is provided with the sand grip of its mutual slip block in the both sides that are close to the guide way.
Furthermore, the laser probe and the liquid level of the biological reagent liquid and the carrier are in non-contact measurement.
The invention also provides a method for detecting the amount of the biological reagent liquid, which comprises the following steps:
s1, detecting the refractive index of the detected liquid medicine by using an instrument to obtain a refractive index coefficient;
s2, placing a movement mechanism in the detection system at a detection station, and adjusting an adjusting mechanism to enable a laser probe in the detection mechanism to be in an upright state;
s3, starting a laser probe in the detection mechanism through a controller, wherein a color laser source in the laser probe emits a beam of high-density wide-spectrum light, and the high-density wide-spectrum light passes through a dispersion measuring head and then becomes monochromatic light with different wavelengths in a measuring range, wherein each wavelength corresponds to a distance value;
and S4, sensing the light reflected from the liquid surface by the spectrometer and meeting the confocal condition, and respectively calculating the wavelength of the focal point of the light, so as to obtain a distance value through conversion.
Further, in S4, for the transparent bioreagent, a focus exists on the upper and lower surfaces of the reagent solution, and the position values of the upper and lower surfaces are obtained, and the difference between the position values is multiplied by the detected refractive index coefficient, so as to obtain the height value of the liquid; for the opaque biological reagent, a focus exists on the inner surface of the carrier and the upper surface of the reagent liquid medicine, the position values of the inner surface of the carrier and the upper surface of the liquid are obtained, and the position difference of the inner surface of the carrier and the upper surface of the liquid is multiplied by the detected refractive index coefficient to obtain the height value of the liquid.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the laser probe to have the synchronous liquid level and carrier inner surface detection function, obtains the distance difference or volume difference through the detected distance to detect the liquid amount of the biological reagent liquid, and simultaneously utilizes the laser color spectrum confocal principle to independently or synchronously obtain the distance value between the liquid level of the biological reagent liquid and the carrier inner surface in the detection range, thereby quickly and accurately measuring the liquid amount of the biological reagent liquid in the container; through the cooperation use of motion and adjustment mechanism, can be comparatively convenient carry out diversified accurate measurement many times to the carrier, simultaneously through adjustment mechanism's use, can carry out quick levelling to motion before the use, be convenient for guarantee that laser probe has higher precision when detecting, be convenient for detect the use.
Drawings
Fig. 1 is a general schematic of the present invention.
Fig. 2 is a schematic view of the adjustment mechanism of the present invention.
Fig. 3 is an enlarged schematic view of structure a in fig. 1 according to the present invention.
Fig. 4 is a first schematic view of the measurement principle of the present invention.
Fig. 5 is a second schematic view of the measurement principle of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. fixing a bracket; 2. moving the support; 3. a fixing plate; 4. a laser probe; 5. a controller; 6. a data processing integrated machine; 7. an adjustment mechanism; 8. a level gauge;
701. fixing the cylinder; 702. supporting legs; 703. a screw; 704. a screw hole; 705. a rotating seat; 706. the crank is adjusted.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1
As shown in figures 1 to 5:
the invention provides a biological reagent liquid amount detection system which comprises a detection mechanism and a movement mechanism, wherein the detection mechanism is arranged on the movement mechanism and consists of a laser probe 4, a controller 5 and a data processing all-in-one machine 6, a measuring head is arranged at the detection end of the laser probe 4, the installation distance between the measuring head and a color laser source of the laser probe 4 is 60-300 mm, the inclination angle of the measuring head is 4.5-15 degrees, and the measuring head is a color lens; the movement mechanism comprises a pair of fixed supports 1 and a group of movable supports 2, the group of movable supports 2 are movably arranged on the top sides of the pair of fixed supports 1, and the detection mechanism is arranged on one side of the movable supports 2.
The laser probe and the controller 4 are connected with the controller 5 through an optical fiber line, the controller 5 is connected with the data processing all-in-one machine 6 through a network cable, and a display screen is arranged on one side of the data processing all-in-one machine 6.
Wherein, it is a pair of fixed bolster 1 and a set of electronic slider is all installed to the top side of moving movable support 2, and is a pair of fixed bolster 1 parallel arrangement each other, and both ends of both all through connecting rod interconnect, moving movable support 2 sets up a pair of the top side of fixed bolster 1, and its both ends respectively with fixed bolster 1 on electronic slider fixed connection, moving movable support 2's one side and installing fixed plate 3, just fixed plate 3 and the electronic slider fixed connection on the moving movable support 2, laser probe 4 and fixed plate 3 fixed mounting in the detection mechanism.
The top sides of the fixed support 1 and the movable support 2 are provided with mounting grooves, linear guide rails are mounted in the mounting grooves, and the linear guide rails are in transmission connection with the electric sliding blocks on the fixed support 1 and the movable support 2 respectively.
Wherein, an electronic level 8 is installed at one side of the fixed plate 3, and the electronic level 8 is electrically connected with the controller 5 through a lead.
The fixing support comprises a pair of fixing supports 1, and is characterized in that mounting holes are formed in two ends of each fixing support 1, adjusting mechanisms 7 are inserted into the mounting holes, each adjusting mechanism 7 comprises a fixing cylinder 701, supporting legs 702 are movably inserted into the bottom ends of the fixing cylinders 701, screw holes 704 are formed in the top ends of the supporting legs 702, a rotating seat 705 is installed at the top end of each fixing cylinder 701, a screw rod 703 is inserted into the rotating seat 705 in a rotating mode, the bottom end of the screw rod 703 is connected with the screw holes 704 in an occluded mode, and an adjusting crank 706 is installed at the top end of the screw rod 703.
Wherein, the guide way has been seted up to fixed barrel 701's top bilateral symmetry, just supporting legs 702 all is provided with the sand grip of its mutual slip block in the both sides that are close to the guide way, uses through the guide way cooperation that sand grip and be equipped with, can effectively improve the stationarity of supporting legs 702 when removing, and then is convenient for improve the stability of motion when adjusting.
The laser probe 4 and the liquid level of the biological reagent liquid and the carrier are in non-contact measurement, and the detection mechanism can be effectively prevented from being in direct contact with the detected liquid level through the non-contact measurement, so that the influence on the detected liquid is reduced to the highest degree.
The specific use mode and function of the embodiment are as follows:
when the invention is used for detection, the laser probe 4 has a synchronous liquid level and carrier inner surface detection function, the distance difference or volume difference is obtained through the detected distance to detect the liquid amount of the biological reagent liquid, and meanwhile, the distance value between the liquid level of the liquid and the carrier inner surface can be independently or synchronously obtained in a detection range by using a laser color spectrum confocal principle, so that the liquid amount of the liquid in a container can be quickly and accurately measured; through motion and adjustment mechanism's cooperation use, can be comparatively convenient carry out diversified accurate measurement many times to the carrier, simultaneously through adjustment mechanism 7's use, can carry out quick levelling to motion before the use, be convenient for guarantee that laser probe 4 has higher precision when detecting, be convenient for detect the use.
Example 2
The invention provides a method for detecting the amount of a biological reagent liquid, which comprises the following steps:
s1, detecting the refractive index of the detected liquid medicine by using an instrument to obtain a refractive index coefficient;
s2, placing a movement mechanism in the detection system at a detection station, and adjusting an adjusting mechanism to enable a laser probe 4 in the detection mechanism to be in a vertical state;
s3, starting a laser probe 4 in the detection mechanism through a controller 5, emitting a beam of high-density wide-spectrum light by a color laser source in the laser probe 4, forming monochromatic light with different wavelengths in a measuring range after passing through a dispersion measuring head, wherein each wavelength corresponds to a distance value;
and S4, sensing the light reflected from the liquid surface by the spectrometer and meeting the confocal condition, and respectively calculating the wavelength of the focal point of the light, so as to obtain a distance value through conversion.
In S4, for the transparent biological reagent, there is a focus on the upper and lower surfaces of the reagent solution, and the difference between the upper and lower surface positions is multiplied by the detected refractive index to obtain the liquid height value; for the opaque biological reagent, a focus exists on the inner surface of the carrier and the upper surface of the reagent liquid medicine, the position values of the inner surface of the carrier and the upper surface of the liquid are obtained, and the position difference of the inner surface of the carrier and the upper surface of the liquid is multiplied by the detected refractive index coefficient to obtain the height value of the liquid.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a biological reagent liquid measure detecting system, includes detection mechanism and motion, detection mechanism installs on the motion, its characterized in that:
the detection mechanism comprises a laser probe (4), a controller (5) and a data processing all-in-one machine (6), a measuring head is installed at the detection end of the laser probe (4), the installation distance between the measuring head and a color laser source of the laser probe (4) is 60-300 mm, the inclination angle of the measuring head is 4.5-15 degrees, and the measuring head is a color lens;
the movement mechanism comprises a pair of fixed supports (1) and a group of movable supports (2), the movable supports (2) are movably mounted on the top sides of the fixed supports (1), and the detection mechanism is mounted on one side of the movable supports (2).
2. The system for measuring the amount of a biological reagent liquid according to claim 1, wherein: the laser probe (4) is connected with the controller (5) through an optical fiber line, the controller (5) is connected with the data processing all-in-one machine (6) through a network cable, and a display screen is arranged on one side of the data processing all-in-one machine (6).
3. The system for measuring the amount of a biological reagent liquid according to claim 1, wherein: it is a pair of fixed bolster (1) and a set of electronic slider is all installed to the top side of moving movable support (2), and is a pair of fixed bolster (1) parallel arrangement each other, and both ends of both all through connecting rod interconnect, it is a pair of to move movable support (2) sets up the top side of fixed bolster (1), and its both ends respectively with the electronic slider fixed connection on fixed bolster (1), fixed plate (3) are installed to the one side of moving movable support (2), just electronic slider fixed connection on fixed plate (3) and the moving movable support (2), laser probe (4) and fixed plate (3) fixed mounting among the detection mechanism.
4. The system for measuring the amount of a biological reagent solution according to claim 1, wherein: the movable support is characterized in that the fixed support (1) and the movable support (2) are arranged in a pair, mounting grooves are formed in the top sides of the fixed support (1) and the movable support (2), linear guide rails are mounted in the mounting grooves, and the linear guide rails are in transmission connection with electric sliding blocks on the fixed support (1) and the movable support (2) in a pair respectively.
5. The system for measuring the amount of a biological reagent liquid according to claim 1, wherein: an electronic level meter (8) is installed on one side of the fixing plate (3), and the electronic level meter (8) is electrically connected with the controller (5) through a lead.
6. The system for measuring the amount of a biological reagent liquid according to claim 1, wherein: the mounting holes are formed in two ends of the fixing support (1), the adjusting mechanisms (7) are inserted into the mounting holes, each adjusting mechanism (7) comprises a fixing barrel body (701), supporting legs (702) are movably inserted into the bottom end of each fixing barrel body (701), screw holes (704) are formed in the top ends of the supporting legs (702), a rotating seat (705) is installed at the top end of each fixing barrel body (701), a screw rod (703) is inserted into the rotating seat (705) in a rotating mode, the bottom end of the screw rod (703) is connected with the screw holes (704) in an engaged mode, and an adjusting crank (706) is installed at the top end of the screw rod (703).
7. The system for measuring the amount of a biological reagent liquid according to claim 6, wherein: the top bilateral symmetry of fixed barrel (701) has seted up the guide way, just supporting legs (702) all are provided with the sand grip of its mutual slip block in the both sides that are close to the guide way.
8. The system for measuring the amount of a biological reagent liquid according to claim 1, wherein: the laser probe (4) and the liquid level of the biological reagent liquid and the carrier are in non-contact measurement.
9. A biological reagent liquid amount measuring method based on the biological reagent liquid amount measuring system according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
s1, detecting the refractive index of the detected liquid medicine by using an instrument to obtain a refractive index coefficient;
s2, placing a movement mechanism in the detection system at a detection station, and adjusting an adjusting mechanism to enable a laser probe (4) in the detection mechanism to be in a vertical state;
s3, starting a laser probe (4) in the detection mechanism through a controller (5), wherein a color laser source in the laser probe (4) emits a beam of high-density wide-spectrum light, and the high-density wide-spectrum light passes through a dispersion measuring head to form monochromatic light with different wavelengths in a measuring range, wherein each wavelength corresponds to a distance value;
and S4, sensing the light reflected from the liquid surface by the spectrometer and meeting the confocal condition, and respectively calculating the wavelength of the focal point of the light, so as to obtain a distance value through conversion.
10. The method for measuring the amount of a biological reagent solution according to claim 9, wherein: in S4, for the transparent biological reagent, a focus exists on the upper and lower surfaces of the reagent solution, the position values of the upper and lower surfaces are obtained, and the difference between the two positions is multiplied by the detected refractive index coefficient to obtain the height value of the liquid; for the opaque biological reagent, a focus exists on the inner surface of the carrier and the upper surface of the reagent liquid medicine, the position values of the inner surface of the carrier and the upper surface of the liquid are obtained, and the position difference of the inner surface of the carrier and the upper surface of the liquid is multiplied by the detected refractive index coefficient to obtain the height value of the liquid.
CN202210116568.4A 2022-02-07 2022-02-07 Biological reagent liquid volume detection system and method Pending CN114705270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210116568.4A CN114705270A (en) 2022-02-07 2022-02-07 Biological reagent liquid volume detection system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210116568.4A CN114705270A (en) 2022-02-07 2022-02-07 Biological reagent liquid volume detection system and method

Publications (1)

Publication Number Publication Date
CN114705270A true CN114705270A (en) 2022-07-05

Family

ID=82166447

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210116568.4A Pending CN114705270A (en) 2022-02-07 2022-02-07 Biological reagent liquid volume detection system and method

Country Status (1)

Country Link
CN (1) CN114705270A (en)

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