CN109612553B - Biological reagent liquid level detection device and control method - Google Patents
Biological reagent liquid level detection device and control method Download PDFInfo
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- CN109612553B CN109612553B CN201811488396.3A CN201811488396A CN109612553B CN 109612553 B CN109612553 B CN 109612553B CN 201811488396 A CN201811488396 A CN 201811488396A CN 109612553 B CN109612553 B CN 109612553B
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- 239000012620 biological material Substances 0.000 description 1
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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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
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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
- G01F23/0007—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 for discrete indicating and measuring
- G01F23/0015—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 for discrete indicating and measuring with a whistle or other sonorous signal
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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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
- G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The invention discloses a biological reagent liquid level detection device and a control method, comprising the following steps: a base; the bottom of the adjusting frame is fixed on the top of the base; the bottom of the first motor is fixed at the bottom of the inner wall of the adjusting frame; the invention relates to the technical field of biological reagent detection equipment, and discloses a threaded rod, wherein the bottom of the threaded rod is fixed at the top of an output shaft of a first motor. This biological reagent liquid level detection device and control method can ensure the stability of test tube at the in-process that detects, thereby the guarantee detects the precision of data, moreover, the steam generator is simple in structure, high convenience in operation, the person of facilitating the use carries out the regulation of upper and lower position to check out test set, thereby make things convenient for the detection of reagent liquid level, be provided with scale and scale pointer simultaneously, the person of facilitating the use reads and the record to data when detecting, can effectually avoid the measuring stick direct with the measured reagent emergence contact, avoid the measuring stick to be stained with reagent, greatly reduced measuring error, guarantee measuring precision.
Description
Technical Field
The invention relates to the technical field of biological reagent detection equipment, in particular to a biological reagent liquid level detection device and a control method.
Background
With the continuous development and progress of medicine, the continuous progress and innovation of biological reagents, which refer to biological materials or organic compounds related to life science research, and reagents for clinical diagnosis and medical research; because of wide life science range and quick development, the reagent has various varieties and complex properties; mainly comprises electrophoresis reagents, chromatographic reagents, centrifugal separation reagents, immunological reagents, marking reagents, histochemical reagents, transmutation agents and carcinogenic substances, pesticides, culture agents, buffering agents, electron microscope reagents, protein and nucleic acid precipitating agents, condensing agents, ultrafiltration membranes, clinical diagnosis reagents, coloring agents, antioxidants, mildew inhibitors, detergents and surfactants, biochemical standard reagents, biochemical quality control reagents, separation materials and the like; before use, the biological reagent is stored in a test tube, and the liquid level and the dosage of the reagent in the test tube need to be controlled and detected; in prior art, current biological reagent liquid level detection device is mostly direct and reagent contact's detection mode, may directly influence the use in reagent later stage after detection device and reagent contact, and the reagent amount of meeting adhesion part when detection device takes out simultaneously to reduce the degree of accuracy that falls of time liquid level detection.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a biological reagent liquid level detection device and a control method thereof, and solves the problem that the detection device is directly contacted with a biological reagent to influence the later use of the biological reagent and the accuracy of liquid level detection.
In order to achieve the purpose, the invention is realized by the following technical scheme: a biological agent level detection device comprising: a base; the bottom of the adjusting frame is fixed on the top of the base; the bottom of the first motor is fixed at the bottom of the inner wall of the adjusting frame; the bottom of the threaded rod is fixed to the top of the output shaft of the first motor; the surface of the center of the lifting plate is threaded on the surface of the threaded rod; the bottoms of the two pushing rods are respectively fixed on two sides of the top of the lifting plate, and the tops of the two pushing rods penetrate through the top of the inner wall of the adjusting frame and extend to the outside of the adjusting frame; the bottom of the adjusting plate is fixed to one side of the two pushing rods extending to the outside of the adjusting frame; the bottom of the rotating rod rotates to the top of the adjusting plate; the top of the positioning spring is arranged at the bottom of the rotating rod; the bottom of the sliding plate slides on the top of the adjusting plate; a fixed plate disposed at a right side of the sliding plate; a test tube disposed above the adjustment plate; the bottom of the supporting plate is fixed on the right side of the top of the base; the graduated scale is arranged on the surface of the supporting plate; the right side of the limiting rod is fixed on the left side of the supporting plate; the bottom of the auxiliary supporting plate is fixed at the top of the supporting plate; the bottom of the box body is fixed at the top of the auxiliary supporting plate; the right side of the second motor is fixed on the right side of the inner wall of the box body; the axis of the first belt pulley is fixed on the left side of the output shaft of the second motor; a second pulley, a surface of the second pulley being belt-driven to a surface of the first pulley; the bottom of the supporting block is fixed to the top of the inner wall of the box body; one side of the lifting block is fixed on the right side of the inner wall of the belt; the top of the auxiliary lifting rod is fixed to the bottom of the lifting block, and the bottom of the auxiliary lifting rod sequentially penetrates through the bottom of the inner wall of the box body and the top of the auxiliary supporting plate and extends to the bottom of the auxiliary supporting plate; the top of the box body is fixed on one side of the auxiliary lifting rod extending to the bottom of the auxiliary supporting plate; the alarm device is arranged on the right side of the inner wall of the box body; the first electrode and the second electrode are arranged at the bottom of the inner wall of the box body; the right side of the third motor is fixed on the left side of the box body, and an output shaft of the third motor penetrates through the left side of the box body and extends into the box body; a rotation shaft, a left side of which is fixed to one end of the third motor extending to the inside of the case; a reel fixed at its axial center to a surface of the rotating shaft; the top of the measuring rod is fixed at the bottom of the box body; the top of the auxiliary rod is fixed at the bottom of the box body; the left side of the scale pointer is fixed at the bottom of the right side of the box body; the winding wire is arranged on the surface of the reel, and one side of the winding wire sequentially penetrates through the bottom of the inner wall of the box body and the top of the auxiliary rod and extends to the outside of the auxiliary rod; a floating block, the top of which is disposed at one side of the winding wire extending to the outside of the auxiliary rod; the left side of the main controller is fixed on the right side of the supporting plate.
Furthermore, two sides of the lifting plate respectively slide on the left side of the inner wall of the adjusting frame and the right side of the inner wall.
Further, the bottom of the positioning spring is fixed on the top of the adjusting plate.
Furthermore, the surface of the sliding plate is provided with two sliding grooves, the inner surface of each sliding groove is in sliding connection with the top of the rotating rod, and the two sliding plates are the same in sliding structure and are symmetrical to each other at the axis of the test tube.
Further, the fixed plate is made of plastic materials, and the right side of the fixed plate is of an arc-shaped structure.
Further, the right side of the second belt pulley is rotatably connected with the left side of the supporting block.
Furthermore, the left side of the lifting block is connected with the left side of the inner wall of the box body in a sliding mode.
Further, the alarm device is communicated with the main controller through a lead.
Further, first electrode and second electrode all are connected with alarm device through the wire, the bottom of first electrode and the bottom of second electrode all run through the bottom of box body inner wall and the top of measuring stick and extend to the bottom of measuring stick in proper order, the right side of axis of rotation is rotated with the right side of box body inner wall and is connected, reel, auxiliary rod and wire winding all have two sets ofly to mutual adaptation, the top of floater is provided with the conducting strip to the bottom joint of floater has water-resistant paster.
A control method of a biological reagent liquid level detection device comprises the following steps:
the method comprises the following steps: placing a test tube filled with a biological reagent between two opposite sides of the two fixed plates, clamping and fixing the test tube through the sliding plate and the buffer structure, starting the first motor, driving the threaded rod to rotate through the first motor, driving the lifting plate to move upwards through the threaded rod, and enabling the top of the test tube to be just contacted with the bottom of the limiting rod;
step two: starting a second motor, wherein when the second motor works, the second motor drives a first belt pulley to rotate, the first belt pulley drives a second belt pulley to synchronously rotate through a belt, the belt drives a lifting block to move downwards, and the lifting block drives an auxiliary lifting rod to move downwards so as to drive a box body to move downwards, so that a measuring rod and an auxiliary rod are driven to move downwards and are inserted into the test tube;
step three; when the bottom of the measuring rod is positioned at the bottle mouth of the test tube, the second motor is closed, the third motor is started, the third motor drives the rotating shaft to synchronously rotate, the rotating shaft drives the winding wheel to synchronously rotate, and the winding wheel carries out winding and unwinding operations on a winding wire, so that the floating block is wound and unwound;
step four: when the first electrode and the second electrode are in contact with the conducting strip on the top of the floating block, the alarm device sends out alarm information, meanwhile, the alarm device sends an electric signal to the interior of the main controller, and meanwhile, the main controller controls the second motor to stop working;
step five: survey the distance that the scale pointer descends, measure the height of floating block itself simultaneously to and the length of test tube, alright in order to calculate the liquid level height of the inside reagent solution of test tube, thereby the position of the liquid level of accurate calculation biological reagent solution.
Compared with the prior art, the invention has the beneficial effects that:
1. this biological reagent liquid level detection device and control method carry out the regulation of vertical direction position through being provided with the test tube that is applicable to not co-altitude to the top of regulating plate is provided with presss from both sides tight structure, can ensure the stability of test tube at the in-process that detects, thereby the guarantee detects the precision of data, simple structure, convenient operation.
2. According to the biological reagent liquid level detection device and the control method, the second motor and the lifting structure are arranged, so that a user can conveniently adjust the upper position and the lower position of detection equipment, the detection of the reagent liquid level is facilitated, and meanwhile, the graduated scale and the graduated pointer are arranged, so that the user can conveniently read and record data during detection.
3. According to the biological reagent liquid level detection device and the control method, the first electrode and the second electrode are arranged, the adjustable floating block is arranged below the measuring rod, the detecting rod can be effectively prevented from being directly contacted with a measured reagent, the measuring rod is prevented from being adhered with the reagent, measuring errors are greatly reduced, and measuring accuracy is guaranteed.
Drawings
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is an elevational view of the entirety of the present invention;
FIG. 3 is a schematic structural view of a portion of the elevator block of the present invention;
FIG. 4 is a schematic structural view of a slider of the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
fig. 6 is an enlarged view of the invention at B in fig. 1.
In the figure: 1-base, 2-adjusting frame, 3-first motor, 4-threaded rod, 5-lifting plate, 6-pushing rod, 7-adjusting plate, 8-rotating rod, 9-positioning spring, 10-sliding plate, 11-sliding groove, 12-fixing plate, 13-test tube, 14-supporting plate, 15-graduated scale, 16-limiting rod, 17-auxiliary supporting plate, 18-box body, 19-second motor, 20-first belt pulley, 21-belt, 22-second belt pulley, 23-supporting block, 24-lifting block, 25-auxiliary lifting rod, 26-box body, 27-alarm device, 28-first electrode, 29-second electrode, 30-third motor, 31-rotating shaft, 32-reel, 33-measuring rod, 34-auxiliary rod, 35-scale pointer, 36-winding, 37-floating block and 38-main controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1-6, the present invention provides a biological reagent level detection device comprising a base 1, an adjustment frame 2, a top of the adjustment frame 2 is fixed on the top of the base 1, a storage battery is disposed inside the adjustment frame 2, a left side of the adjustment frame 2 is provided with a charging socket adapted to the storage battery, the test tubes 13 with different lengths can be adjusted by an adjustment structure inside the adjustment frame 2, so as to ensure that the top of the test tube 13 is at a zero scale of a scale 15 and facilitate the detection of the liquid level and the reading of data by a user, a first motor 3, a bottom of the first motor 3 is fixed on the bottom of an inner wall of an adjustment frame 2, the first motor 3 is connected to an output end of the storage battery 15, and a control circuit of the first motor 3 is connected to a control switch on a main controller 38 through a lead wire, a rotating rod 4, the bottom of the rotating rod 4 is fixed on the top of an output shaft of the first motor 3, a lifting plate 5, the surface of the lifting plate 5 is threaded on the surface of a top of a control rod 4, the lifting rod 7 is fixed on a lifting rod 32, the lifting rod 34 is fixed on the lifting rod 34, the lifting rod 34 is fixed to the lifting rod 34, the lifting rod 34 is fixed to the lifting rod 34, the lifting rod 32, the lifting rod 34 is fixed to the lifting rod 34, the lifting rod 34 is fixed to the lifting rod 34, the lifting rod 32, the lifting rod 34 is fixed on the lifting rod 34, the lifting rod 14, the lifting rod 34 is fixed to the lifting rod 34, the lifting rod 14, the lifting rod 34, the lifting rod 14, the lifting rod 34 is fixed on the lifting rod 34, the lifting rod 14, the lifting rod 34 is fixed to the lifting rod 34, the lifting rod 14, the lifting rod 34, the lifting rod 14, the lifting rod 14, the lifting rod 14, the lifting rod 7 is fixed to the lifting rod, the lifting rod.
The two sides of the lifting plate 5 slide on the left side of the inner wall of the adjusting frame 2 and the right side of the inner wall respectively.
The bottom of the positioning spring 9 is fixed on the top of the adjusting plate 7.
The surface of the sliding plate 10 is provided with a sliding groove 11, the inner surface of the sliding groove 11 is slidably connected with the top of the rotating rod 8, the number of the sliding plates 10 is two, the sliding structures of the two sliding plates 10 are the same and are symmetrical with each other at the axis of the test tube 13, the rotating rod 8 is pulled by the positioning spring 9 to move the rotating rod 8 downwards, so that the sliding plates 10 are pushed to approach the test tube 13, the sliding plates 10 on the two sides simultaneously clamp and fix the test tube 13 through the fixing plate 12, and the stability of the test tube 13 during detection is guaranteed.
Fixed plate 12 is the plastic material preparation to the right side of fixed plate 12 is curved structure, puts into between two fixed plate 12 relative one sides at test tube 13, because the curved structure of fixed plate 12 makes the both sides of test tube 13 promote the removal of fixed plate 12 case both sides, and the person of facilitating the use deposits and takes the test tube.
The right side of the second pulley 22 is rotatably connected with the left side of the supporting block 23.
The left side of the lifting block 24 is slidably connected to the left side of the inner wall of the box 18.
The alarm device 27 is mutually communicated with the main controller 38 through a lead, and the alarm device 27 is connected with the output end of the storage battery pack through a lead, so that the alarm signal is transmitted to the main controller 38 after the first electrode 28 and the second electrode 29 are contacted with the conductive material, the alarm signal is converted into a control signal through the main controller 38 to close the second motor 19, and the bottom of the measuring rod 33 just contacts with the top of the floating block 37, thereby facilitating the reading and recording of the liquid level value.
The first electrode 28 and the second electrode 29 are connected with the alarm device 27 through leads, the bottom of the first electrode 28 and the bottom of the second electrode 29 sequentially penetrate through the bottom of the inner wall of the box body 26 and the top of the measuring rod 33 and extend to the bottom of the measuring rod 33, the bottom of the first electrode 28 and the bottom of the second electrode 29 are on the same horizontal plane, so that the first electrode 28 and the second electrode 29 form a path after contacting with a conductive material, thereby realizing an alarm, and the second motor is automatically turned off, the right side of the rotating shaft 31 is rotatably connected with the right side of the inner wall of the box body 26, the reel 32, the auxiliary rod 34 and the winding 36 are respectively provided with two groups and are mutually matched, the top of the floating block 37 is provided with a conductive sheet, the bottom of the floating block 37 is clamped with an anti-adhesion patch which is made of polytetrafluoroethylene, so that the floating block 37 does not adhere to reagents inside the test tube 13 when being separated from the inside of the test tube 13, reduce the error that produces in the reagent experimentation, pack up the floating block 37 and put down the operation through third motor 30, the silk thread structure of wire winding for the light simultaneously, because test tube 13 is transparent structure, when the floating block 37 dropped to the surface of solution, third motor 30 manual stop.
A control method of a biological reagent liquid level detection device comprises the following steps:
the method comprises the following steps: the test tube with the biological reagent is placed between one side of two fixed plates 12, the test tube 13 is clamped and fixed through the sliding plate 10 and the buffer structure, the test tube 13 is ensured to be in a stable state, the test tube 13 is prevented from being deviated to influence the detection experiment, the first motor 3 is started, the threaded rod 4 is driven to rotate through the first motor 3, the threaded rod 4 drives the lifting plate 5 to move upwards, the top of the test tube 13 is just contacted with the bottom of the limiting rod 16, and the top of the test tube 13 is positioned at the zero scale of the graduated scale 15 during each detection, so that the reading and the calculation of detection data are facilitated;
step two: the second motor 19 is started, when the second motor 19 works, the second motor 19 drives the first belt pulley 20 to rotate, the first belt pulley 20 drives the second belt pulley 22 to synchronously rotate through the belt 21, the belt 21 drives the lifting block 24 to move downwards, the lifting block 24 drives the auxiliary lifting rod 25 to move downwards, so that the box body 26 is driven to move downwards, the measuring rod 33 and the auxiliary rod 34 are driven to move downwards and are inserted into the test tube 13;
step three; when the bottom of the measuring rod 33 is positioned at the mouth of the test tube 13, the second motor 19 is closed, the third motor 30 is started, the third motor 30 drives the rotating shaft 31 to synchronously rotate, the rotating shaft 31 drives the winding reel 32 to synchronously rotate, the winding reel 32 performs winding and unwinding operations on the winding 36, so that the floating block 37 is wound and unwound, after the floating block 37 moves downwards, when the floating block 37 is in contact with the liquid level, the third motor 30 is closed, the second motor 19 is started, and the detecting tube 33 drives the first electrode 28 and the second electrode 29 to continuously move downwards;
step four: when the first electrode 28 and the second electrode 29 contact with the conductive sheet on the top of the floating block 37, the alarm device 27 gives an alarm message, and meanwhile, the alarm device 27 sends an electric signal to the inside of the main controller 38, and meanwhile, the main controller 38 controls the second motor 19 to stop working;
step five: observing the distance that the scale pointer 35 descends, measuring the height of the floating block 37 and the length of the test tube 13, the height of the liquid level of the reagent solution in the test tube 13 can be calculated, and therefore the position of the liquid level of the biological reagent solution can be accurately calculated.
In operation, the test tube 13 is placed between the two fixing plates 12, so that the test tube 13 is fixed, the first motor 3 is started, the first motor 3 drives the threaded rod 4 to rotate synchronously, the threaded rod 4 drives the lifting plate 5 to push upwards, the adjusting plate 7 is pushed to move upwards, the top of the test tube 13 is contacted with the bottom of the limiting rod 16, the top of the test tube 13 is ensured to be positioned at the zero scale position of the graduated scale 15, the second motor 19 is started, the second motor 19 drives the first belt pulley 20 to rotate synchronously, the first belt pulley drives the second belt pulley 22 to rotate synchronously through the belt 21, so as to drive the lifting block 24 on the belt 21 to move downwards, the lifting block 24 drives the auxiliary lifting rod 25 to move downwards, the auxiliary lifting rod 25 pushes the box body 26 to move downwards, so as to drive the measuring rod 33 and the auxiliary rod 34 at the bottom of the box body 26 to move downwards, when the bottom of the measuring rod 33 is positioned at the top of, the third motor 30 is started, the third motor 30 rotates forwards to drive the two reels 32 to rotate synchronously through the rotating shaft 31, the paying-off operation is realized, the floating block 37 floats above the liquid level, the third motor 30 is closed, the second motor 19 continues to drive the measuring rod 33 to move downwards, when the bottom of the first electrode 18 and the bottom of the second electrode 19 are in contact with the conducting strip on the floating block 37, a closed loop is formed among the first electrode 18, the second electrode 19 and the alarm device 27, the inside of the alarm device 27 is electrified, the alarm device 27 sends an alarm and simultaneously transmits an electric signal to the main controller 38, the main controller 38 automatically controls the second motor 19 to stop working, the second motor 19 is automatically closed, data detected by the liquid level are collected, the liquid level position of the test tube is calculated, when the floating block 37 needs to be moved out, the third motor 30 is reversely rotated through the main controller 38, so that the winding wire 36 is collected, the winding 36 drives the floating block 37 to move upwards, so that the floating block is separated from the inside of the test tube 13, and the test tube 13 is replaced for the next detection.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A biological reagent level detection device, comprising:
a base;
the bottom of the adjusting frame is fixed on the top of the base;
the bottom of the first motor is fixed at the bottom of the inner wall of the adjusting frame;
the bottom of the threaded rod is fixed to the top of the output shaft of the first motor;
the surface of the center of the lifting plate is threaded on the surface of the threaded rod;
the bottoms of the two pushing rods are respectively fixed on two sides of the top of the lifting plate, and the tops of the two pushing rods penetrate through the top of the inner wall of the adjusting frame and extend to the outside of the adjusting frame;
the bottom of the adjusting plate is fixed to one side of the two pushing rods extending to the outside of the adjusting frame;
the bottom of the rotating rod rotates to the top of the adjusting plate;
the top of the positioning spring is arranged at the bottom of the rotating rod;
the bottom of the sliding plate slides on the top of the adjusting plate;
a fixed plate disposed at a right side of the sliding plate;
a test tube disposed above the adjustment plate;
the bottom of the supporting plate is fixed on the right side of the top of the base;
the graduated scale is arranged on the surface of the supporting plate;
the right side of the limiting rod is fixed on the left side of the supporting plate;
the bottom of the auxiliary supporting plate is fixed at the top of the supporting plate;
the bottom of the box body is fixed at the top of the auxiliary supporting plate;
the right side of the second motor is fixed on the right side of the inner wall of the box body;
the axis of the first belt pulley is fixed on the left side of the output shaft of the second motor;
a second pulley, a surface of the second pulley being belt-driven to a surface of the first pulley;
the bottom of the supporting block is fixed to the top of the inner wall of the box body;
one side of the lifting block is fixed on the right side of the inner wall of the belt;
the top of the auxiliary lifting rod is fixed to the bottom of the lifting block, and the bottom of the auxiliary lifting rod sequentially penetrates through the bottom of the inner wall of the box body and the top of the auxiliary supporting plate and extends to the bottom of the auxiliary supporting plate;
the top of the box body is fixed on one side of the auxiliary lifting rod extending to the bottom of the auxiliary supporting plate;
the alarm device is arranged on the right side of the inner wall of the box body;
the first electrode and the second electrode are arranged at the bottom of the inner wall of the box body;
the right side of the third motor is fixed on the left side of the box body, and an output shaft of the third motor penetrates through the left side of the box body and extends into the box body;
a rotation shaft, a left side of which is fixed to one end of the third motor extending to the inside of the case;
a reel fixed at its axial center to a surface of the rotating shaft;
the top of the measuring rod is fixed at the bottom of the box body;
the top of the auxiliary rod is fixed at the bottom of the box body;
the left side of the scale pointer is fixed at the bottom of the right side of the box body;
the winding wire is arranged on the surface of the reel, and one side of the winding wire sequentially penetrates through the bottom of the inner wall of the box body and the top of the auxiliary rod and extends to the outside of the auxiliary rod;
the top of the floating block is arranged on one side of the winding wire extending to the outside of the auxiliary rod, and a conducting strip is arranged on the top of the floating block;
the left side of the main controller is fixed on the right side of the supporting plate.
2. The device for detecting the level of a biological reagent according to claim 1, wherein: the two sides of the lifting plate respectively slide on the left side of the inner wall of the adjusting frame and the right side of the inner wall.
3. The device for detecting the level of a biological reagent according to claim 1, wherein: the bottom of the positioning spring is fixed on the top of the adjusting plate.
4. The device for detecting the level of a biological reagent according to claim 1, wherein: the surface of the sliding plate is provided with two sliding grooves, the inner surface of each sliding groove is in sliding connection with the top of the rotating rod, and the two sliding plates are the same in sliding structure and are symmetrical to each other at the axis of the test tube.
5. The device for detecting the level of a biological reagent according to claim 1, wherein: the fixed plate is made of plastic materials, and the right side of the fixed plate is of an arc-shaped structure.
6. The device for detecting the level of a biological reagent according to claim 1, wherein: the right side of the second belt pulley is rotatably connected with the left side of the supporting block.
7. The device for detecting the level of a biological reagent according to claim 1, wherein: the left side of the lifting block is connected with the left side of the inner wall of the box body in a sliding mode.
8. The device for detecting the level of a biological reagent according to claim 1, wherein: the alarm device is communicated with the main controller through a lead.
9. The device for detecting the level of a biological reagent according to claim 1, wherein: the utility model discloses a measuring device, including box body, reel, auxiliary rod, wire winding, first electrode and second electrode all are connected with alarm device through the wire, the bottom of first electrode and the bottom of second electrode all run through the bottom of box body inner wall and the top of measuring stick and extend to the bottom of measuring stick in proper order, the right side of axis of rotation is rotated with the right side of box body inner wall and is connected, reel, auxiliary rod and wire winding all have two sets ofly to mutual adaptation, the bottom joint of floating block has water-resistant paster.
10. A control method of a biological reagent liquid level detection device is characterized by comprising the following steps:
the method comprises the following steps: placing a test tube filled with a biological reagent between two opposite sides of the two fixed plates, clamping and fixing the test tube through the sliding plate and the buffer structure, starting the first motor, driving the threaded rod to rotate through the first motor, driving the lifting plate to move upwards through the threaded rod, and enabling the top of the test tube to be just contacted with the bottom of the limiting rod;
step two: starting a second motor, wherein when the second motor works, the second motor drives a first belt pulley to rotate, the first belt pulley drives a second belt pulley to synchronously rotate through a belt, the belt drives a lifting block to move downwards, and the lifting block drives an auxiliary lifting rod to move downwards so as to drive a box body to move downwards, so that a measuring rod and an auxiliary rod are driven to move downwards and are inserted into the test tube;
step three; when the bottom of the measuring rod is positioned at the bottle mouth of the test tube, the second motor is closed, the third motor is started, the third motor drives the rotating shaft to synchronously rotate, the rotating shaft drives the winding wheel to synchronously rotate, and the winding wheel carries out winding and unwinding operations on a winding wire, so that the floating block is wound and unwound;
step four: when the first electrode and the second electrode are in contact with the conducting strip on the top of the floating block, the alarm device sends out alarm information, meanwhile, the alarm device sends an electric signal to the interior of the main controller, and meanwhile, the main controller controls the second motor to stop working;
step five: survey the distance that the scale pointer descends, measure the height of floating block itself simultaneously to and the length of test tube, alright in order to calculate the liquid level height of the inside reagent solution of test tube, thereby the position of the liquid level of accurate calculation biological reagent solution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811488396.3A CN109612553B (en) | 2018-12-06 | 2018-12-06 | Biological reagent liquid level detection device and control method |
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| CN201811488396.3A CN109612553B (en) | 2018-12-06 | 2018-12-06 | Biological reagent liquid level detection device and control method |
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| CN101334307A (en) * | 2008-08-06 | 2008-12-31 | 范明军 | Servo- type level meter |
| CN202467826U (en) * | 2011-12-30 | 2012-10-03 | 郑州祥隆地质工程有限公司 | Mud sump liquid level observation device for drilling construction |
| CN205958084U (en) * | 2015-09-04 | 2017-02-15 | 大连康维科技有限公司 | Cursor displayed float -type liquidometer |
| CN207007282U (en) * | 2017-04-22 | 2018-02-13 | 刘伟 | It is a kind of can early warning water conservancy water level measuring scale |
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2018
- 2018-12-06 CN CN201811488396.3A patent/CN109612553B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334307A (en) * | 2008-08-06 | 2008-12-31 | 范明军 | Servo- type level meter |
| CN202467826U (en) * | 2011-12-30 | 2012-10-03 | 郑州祥隆地质工程有限公司 | Mud sump liquid level observation device for drilling construction |
| CN205958084U (en) * | 2015-09-04 | 2017-02-15 | 大连康维科技有限公司 | Cursor displayed float -type liquidometer |
| CN207007282U (en) * | 2017-04-22 | 2018-02-13 | 刘伟 | It is a kind of can early warning water conservancy water level measuring scale |
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