CN109470330B - Capacitive biological reagent liquid level detection device and control method - Google Patents
Capacitive biological reagent liquid level detection device and control method Download PDFInfo
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- CN109470330B CN109470330B CN201811474521.5A CN201811474521A CN109470330B CN 109470330 B CN109470330 B CN 109470330B CN 201811474521 A CN201811474521 A CN 201811474521A CN 109470330 B CN109470330 B CN 109470330B
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- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 76
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- 239000000463 material Substances 0.000 claims description 43
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- 230000005540 biological transmission Effects 0.000 claims description 3
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- 238000003759 clinical diagnosis Methods 0.000 description 2
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- 239000000243 solution Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent 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
- G01F23/22—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
- G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
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- Investigating Or Analysing Biological Materials (AREA)
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Abstract
The invention discloses a capacitance type biological reagent liquid level detection device and a control method, comprising a bottom plate; the bottom of the operation groove is fixed on the top of the bottom plate; the bottom ends of the two supporting legs are fixed on two sides of the top of the bottom plate respectively and located on the back of the operation groove, and a top plate is fixedly connected between the top ends of the two supporting legs. The invention relates to the technical field of biological reagent liquid level detection equipment. The capacitive biological reagent liquid level detection device and the control method have a good reminding function, the staff observes the downward movement distance of the pointer and the length of the test tube, so that the height of the liquid level in the test tube can be clearly known, the capacitive biological reagent liquid level detection device has a good liquid level detection function, is quick, convenient, time-saving and labor-saving, low in cost, high in accuracy, capable of reducing certain errors, well improving detection efficiency and effect, capable of meeting the use requirements of different people and improving the practicability of equipment.
Description
Technical Field
The invention relates to the technical field of biological reagent liquid level detection equipment, in particular to a capacitance type biological reagent liquid level detection device and a control method.
Background
The biological agent refers to a biological material or an organic compound for life science research, and a reagent for clinical diagnosis and medical research. Because of wide range of life science and fast 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.
Biological reagent is at the in-process of research, the inside of packing into the test tube with reagent usually is studied, and the in-process of research, liquid level check out test set can be used usually, however current capacitanc liquid level check out test set can not be fine detect the liquid level to the test tube inside, its detection method is too complicated, need use a large amount of instruments to detect, waste time and energy, and the error is great, the liquid level detects incompletely, serious efficiency and the effect that has reduced the liquid level and detect, more importantly current capacitanc liquid level check out test set does not have fine medicament interpolation function, adopt artifical interpolation usually, so that the volume of interpolation can not be fine control, lead to need to detect many times at last, serious improvement biological reagent research's cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a capacitive biological reagent liquid level detection device and a control method, and solves the problems that the liquid level in a test tube cannot be well detected, time and labor are wasted, and a good medicament adding function is not provided.
In order to achieve the purpose, the invention is realized by the following technical scheme: a capacitance type biological reagent liquid level detection device and a control method thereof comprise a bottom plate; the bottom of the operation groove is fixed on the top of the bottom plate; the bottom ends of the two supporting legs are respectively fixed on two sides of the top of the bottom plate and are positioned on the back of the operation groove, and a top plate is fixedly connected between the top ends of the two supporting legs; the bottom of the control box is fixed to the top of the top plate, and a partition plate is fixedly connected between the top and the bottom of the inner wall of the control box; one side of the motor is fixed to the top of one side of the partition plate, and a first belt pulley is fixedly connected to the outer surface of an output shaft of the motor; the top and the bottom of the baffle are respectively fixed on the top and the bottom of the inner wall of the control box; the top end and the bottom end of the rotating wheel are respectively and rotatably connected to the top and the bottom of the inner wall of the control box and located on one side of the baffle plate, an arc-shaped groove is formed in the outer surface of the rotating wheel, a T-shaped block is slidably connected to the inner part of the arc-shaped groove, and one side of the T-shaped block penetrates through the baffle plate and extends to the other side of the baffle plate; the top end of the ejector rod is fixed to the bottom of the T-shaped block extending to the other side of the baffle plate, and the bottom end of the ejector rod penetrates through the control box and the top plate in sequence and extends to the bottom of the top plate; the top of the movable plate is fixed at one end, extending to the bottom of the top plate, of the ejector rod, one side of the bottom of the movable plate is fixedly connected with a flexible rod, the bottom end of the flexible rod is fixedly connected with an output block, the other side of the bottom of the movable plate is fixedly connected with a convex rod, and the bottom end of the convex rod is fixedly connected with a detection block; the bottom of the feeding box is fixed to the top of the top plate and located on one side of the control box, and an isolation plate is fixedly connected between the top and the bottom of the inner wall of the feeding box; the top end of the electric telescopic rod is fixed to the top of the inner wall of the feeding box and is positioned on one side of the isolation plate, and the bottom end of the electric telescopic rod is fixedly connected with a sealing plug; the top end of the threaded rod is fixed to the bottom of the top plate, a threaded sleeve is in threaded connection with the outer surface of the threaded rod, a connecting plate is fixedly connected to the bottom of the threaded sleeve, and a material injection nozzle is fixedly mounted on one side of the bottom of the connecting plate; the bottom of the pushing plate is connected to the bottom of the inner wall of the operation groove in a sliding mode; the bottom of the placing groove is fixed at the top of the pushing plate, a stabilizing plate is fixedly connected between two sides of the inner wall of the placing groove, and a sleeve is fixedly connected inside the stabilizing plate.
Furthermore, one side fixedly connected with scale plate of division board, and be located the bottom of motor, T type piece extends to the opposite side fixedly connected with pointer of baffle.
Further, the outer surface of the top end of the rotating wheel is fixedly connected with a second belt pulley, and the outer surface of the second belt pulley is in transmission connection with the outer surface of the first belt pulley through a belt.
Furthermore, the front of the control box is fixedly connected with keys respectively, and the front of the control box and the bottom of the keys are fixedly connected with alarm lamps.
Further, one side fixedly connected with resistance at the top of the inner wall of control box, one side fixedly connected with singlechip of the inner wall of control box, and one side fixedly connected with power module of the inner wall bottom of control box.
Furthermore, a feed pipe penetrates through the bottom of the isolation plate, and a feed valve is fixedly mounted inside the feed pipe.
Furthermore, the bottom of the inner wall of the feeding box is located on one side of the isolation plate and communicated with a material injection pipe, the other end of the material injection pipe penetrates through the top plate and extends to the bottom of the top plate, and one end of the material injection pipe, which extends to the bottom of the top plate, is communicated with the top of the material injection nozzle.
Further, one side fixedly connected with action bars of standing groove, the one end of action bars runs through the action bars and extends to the outside of action bars.
Furthermore, the inner surface of the sleeve is fixedly connected with an elastic extrusion pad, and the inner surface of the elastic extrusion pad clamps the test tube.
A control method of a capacitance type biological reagent liquid level detection device comprises the following steps:
the method comprises the following steps: inserting the test tube filled with the biological reagent into the sleeve, clamping the test tube through the elastic extrusion pad, injecting the added biological reagent into the feeding box, pushing the operating rod, driving the placing groove to move leftwards through the operating rod, indirectly driving the test tube to move leftwards, and moving the test tube to be detected to be right below the detection block;
step two: the motor is started, when the motor works, the first belt pulley is driven to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the rotating wheel to rotate, the rotating wheel drives the T-shaped block to move up and down through the arc-shaped groove, when the T-shaped block moves down, the ejector rod and the pointer are driven to move down, and when the ejector rod moves down, the flexible rod and the convex rod are driven to be inserted into the test tube through the movable plate;
step three: when the detection block is contacted with the liquid level of the reagent, the single chip microcomputer controls the alarm lamp to work and controls the motor to stop working at the same time;
step four: the height of the liquid level in the test tube can be clearly known by observing the downward movement distance of the pointer and the length of the test tube;
step five: when the liquid level is not conform to the needs, hand connecting plate, rotate threaded sleeve simultaneously, when threaded sleeve is rotatory, will the up-and-down motion, through the decurrent motion of threaded sleeve, will drive connecting plate and notes material mouth downstream, make notes material mouth insert inside the test tube can, start through the button, at this moment the singlechip will control motor and electric telescopic handle and carry out work, detect the piece upward movement through the motor drive, move appointed liquid level, electric telescopic handle starts, will drive sealing plug downstream, thereby arrange the inside to the test tube with the inside liquid level of feeding incasement portion through annotating material pipe and notes material mouth, at this moment when the inside liquid level upward movement of test tube arrives and surveys the piece contact, electric telescopic handle stop work will be controlled to the singlechip.
Compared with the prior art, the invention has the beneficial effects that:
(1) the capacitive biological reagent liquid level detection device and the control method can well drive the first belt pulley to rotate by starting the motor, indirectly drive the second belt pulley to rotate, drive the rotating wheel to rotate when the second belt pulley rotates, drive the T-shaped block to move up and down through the arc-shaped groove at the moment, drive the ejector rod and the pointer to move down when the T-shaped block moves down, drive the flexible rod and the protruding rod to be inserted into the test tube through the moving plate when the ejector rod moves down, when the detection block is contacted with the reagent liquid level, because of the conductive performance of the reagent and the detection block, the circuit formed by the power module, the reagent and the resistor is conducted, the voltage of the detection block is the partial pressure of the reagent and the resistor on the power module, the single chip can detect the voltage change at the moment, thereby achieving the purpose of detecting the liquid level, and simultaneously the single chip can control the alarm lamp to work, so as to remind the staff to detect and finish, have fine warning function, the staff observes the pointer downstream's distance to and the length through the test tube, just can be clear know the height of the inside liquid level of test tube, have fine liquid level detection function, it is quick convenient, labour saving and time saving, the cost is lower, and the degree of accuracy is higher moreover, has reduced certain error, fine improvement the efficiency and the effect that detect, satisfied different people's use, improved the practicality of equipment.
(2) This capacitanc biological reagent liquid level detection device and control method, rotation through threaded sleeve, drive connecting plate and notes material mouth up-and-down motion that can be fine, it is decurrent through annotating the material mouth, make the inside of inserting the test tube that annotates the material mouth can be fine, the start-up of rethread electric telescopic rod, drive sealing plug downstream that can be fine, just at this moment can arrange the inside to the test tube with annotating the material mouth with the inside of annotating the material pipe with the liquid level of feeding incasement portion, thereby can be fine to the inside reagent of test tube add, have fine reagent and add the function, and it is very convenient that reagent adds, do not need the manual work to carry out manual interpolation, quantitative interpolation can carry out, time and labor saving, great improvement liquid level check.
(3) This capacitanc biological reagent liquid level detection device and control method, through the setting of elasticity dummy block, can be fine press from both sides tightly the test tube, and through the setting of elasticity dummy block, avoid the clamp force too big, lead to the damage of test tube, have fine protective properties, through telescopic setting moreover, avoid at the in-process that detects, the phenomenon that the test tube takes place to remove has certain limiting displacement, is convenient for better detect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the control box of the present invention;
FIG. 3 is a structural cross-sectional view of a feed box of the present invention;
FIG. 4 is a top view of the sleeve construction of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 6 is a schematic structural diagram of the moving plate of the present invention.
In the figure: 1-bottom plate, 2-operation groove, 3-support leg, 4-top plate, 5-control box, 6-separation plate, 7-motor, 8-first belt pulley, 9-baffle, 10-rotation wheel, 11-arc groove, 12-T type block, 13-top rod, 14-moving plate, 15-soft rod, 16-output block, 17-convex rod, 18-detection block, 19-feeding box, 20-isolation plate, 21-electric telescopic rod, 22-sealing plug, 23-threaded rod, 24-threaded sleeve, 25-connecting plate, 26-injection nozzle, 27-pushing plate, 28-placing groove, 29-stabilizing plate, 30-sleeve, 31-scale plate, 32-pointer, 33-second belt pulley, etc, 34-key, 35-alarm lamp, 36-resistor, 37-singlechip, 38-power module, 39-feeding pipe, 40-feeding valve, 41-injection pipe, 42-operating rod, 43-elastic extrusion pad and 44-test tube.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a capacitance type biological reagent liquid level detection device and a control method thereof comprise a bottom plate 1; the bottom of the operation groove 2 is fixed on the top of the bottom plate 1; the bottom ends of the two supporting legs 3 are respectively fixed on two sides of the top of the bottom plate 1 and are positioned on the back of the operation groove 2, and a top plate 4 is fixedly connected between the top ends of the two supporting legs 3; the bottom of the control box 5 is fixed on the top of the top plate 4, and a partition plate 6 is fixedly connected between the top and the bottom of the inner wall of the control box 5; one side of the motor 7 is fixed at the top of one side of the partition plate 6, and the outer surface of an output shaft of the motor 7 is fixedly connected with a first belt pulley 8; the top and the bottom of the baffle 9 are respectively fixed at the top and the bottom of the inner wall of the control box 5, and a sliding groove is formed in the baffle 9 and is mainly convenient for the T-shaped block 12 to slide; the top end and the bottom end of the rotating wheel 10 are respectively connected to the top and the bottom of the inner wall of the control box 5 in a rotating mode and located on one side of the baffle 9, an arc-shaped groove 11 is formed in the outer surface of the rotating wheel 10, a T-shaped block 12 is connected to the inner portion of the arc-shaped groove 11 in a sliding mode, the T-shaped block 12 can be well driven to move up and down through the arc-shaped groove 11 when the rotating wheel 10 rotates, and one side of the T-shaped block 12 penetrates through the baffle 9 and extends to the other side of the baffle 9; the top end of the ejector rod 13 is fixed to the bottom of the T-shaped block 12 extending to the other side of the baffle 9, and the bottom end of the ejector rod 13 sequentially penetrates through the control box 5 and the top plate 4 and extends to the bottom of the top plate 4; the top of the movable plate 14 is fixed at one end of the top rod 13 extending to the bottom of the top plate 4, one side of the bottom of the movable plate 14 is fixedly connected with a flexible rod 15, the flexible rod 15 has a certain flexible function, mainly when the flexible rod 15 contacts with the bottom of the inner wall of the test tube 44, the convex rod 17 can continue to move downwards, the length of the flexible rod 15 is larger than that of the convex rod 17, the bottom end of the flexible rod 15 is fixedly connected with an output block 16, the other side of the bottom of the movable plate 14 is fixedly connected with the convex rod 17, the bottom end of the convex rod 17 is fixedly connected with a detection block 18, and reagent liquid level detection is performed through the detection block 18; the bottom of the feeding box 19 is fixed on the top of the top plate 4 and is positioned on one side of the control box 5, an isolation plate 20 is fixedly connected between the top and the bottom of the inner wall of the feeding box 19, and reagents can be added to the substandard test tubes 44 through the feeding box 19; the top end of the electric telescopic rod 21 is fixed to the top of the inner wall of the feeding box 19 and is located on one side of the isolation plate 20, the bottom end of the electric telescopic rod 21 is fixedly connected with a sealing plug 22, two sides of the sealing plug 22 are respectively in contact with one side of the isolation plate 20 and one side of the inner wall of the feeding box 19, and the sealing plug 22 can be well driven to move downwards by starting the electric telescopic rod 21; the top end of the threaded rod 23 is fixed to the bottom of the top plate 4, a threaded sleeve 24 is connected to the outer surface of the threaded rod 23 in a threaded manner, when the threaded sleeve 24 rotates, the threaded sleeve 24 is in threaded connection with the threaded rod 23, the threaded sleeve 24 moves up and down in the rotating process, a connecting plate 25 is fixedly connected to the bottom of the threaded sleeve 24, a material injection nozzle 26 is fixedly mounted on one side of the bottom of the connecting plate 25, the material injection nozzle 26 can be well driven to move up and down through the up and down movement of the connecting plate 25, and the material injection nozzle 26 can be conveniently inserted into the test tube 44; a pushing plate 27, the bottom of the pushing plate 27 is slidably connected with the bottom of the inner wall of the operation groove 2; the test tube detection device comprises a placing groove 28, the bottom of the placing groove 28 is fixed to the top of a pushing plate 27, a stabilizing plate 29 is fixedly connected between two sides of the inner wall of the placing groove 28, sleeves 30 are fixedly connected to the inner portion of the stabilizing plate 29, the number of the sleeves 30 is three, three test tubes 22 can be detected continuously, the sleeves 30 are arranged, the test tubes 22 can be clamped tightly, and the phenomenon that the test tubes 22 move in the detection process is avoided.
One side fixedly connected with scale plate 31 of division board 6, and be located the bottom of motor 7, T type piece 12 extends to the opposite side fixedly connected with pointer 32 of baffle 9, mainly when T type piece 12 downstream, can drive pointer 32 downstream to can understand the distance of pointer 32 downstream clearly, with this understanding the inside liquid level position of test tube 44, and the front of control box 5 installs the transparent plate, is convenient for the work to the watching of pointer 32.
The outer surface fixedly connected with second belt pulley 33 on the top of rotation wheel 10, the surface of second belt pulley 33 pass through the belt with the surface of first belt pulley 8 passes through belt transmission and is connected, mainly when first belt pulley 8 is rotatory, can drive second belt pulley 33 through the belt at the same time and rotate.
The front surface of the control box 5 is fixedly connected with a key 34 respectively, wherein the output end of the key 34 is connected with the input end of the singlechip 37, the front surface of the control box 5 and the bottom of the key 34 are fixedly connected with an alarm lamp 35, the main function of the alarm lamp 35 is to give an alarm, and the input end of the alarm lamp 35 is connected with the output end of the singlechip 37.
One side fixedly connected with resistance 36 at the top of the inner wall of control box 5, the one end and the power module 38 positive pole of resistance 36 are connected, one end is connected with detection piece 18, one side fixedly connected with singlechip 37 of the inner wall of control box 5, singlechip 37 is connected with detection piece 18 here through the wire, and one side fixedly connected with power module 38 of the inner wall bottom of control box 5, the positive pole and the detection piece 18 of power module 38 here are connected, the negative pole and the output piece 16 of power module 38 are connected.
The bottom of insulating board 20 runs through there is the inlet pipe 39, and the effect of inlet pipe 39 is to arrange the reagent of insulating board one side to the opposite side of insulating board, the inside fixed mounting of inlet pipe 39 has feed valve 40, and here feed valve 40 is the check valve, avoids the refluence of reagent.
The bottom of the inner wall of the feeding box 19 is located one side of the isolation plate 20 is communicated with a material injection pipe 41, the material injection pipe 41 is a flexible pipe and has certain flexibility, a one-way valve is fixedly mounted inside the material injection pipe 41, the inside of the material injection pipe 41 is mainly prevented from being started by the electric telescopic rod 21, a backflow state of a reagent inside the material injection pipe 41 occurs, the other end of the material injection pipe 41 penetrates through the top plate 4 and extends to the bottom of the top plate 4, and the material injection pipe 41 extends to one end of the bottom of the top plate 4 and is communicated with the top of the material injection nozzle 26.
One side fixedly connected with action bars 42 of standing groove 28, the one end of action bars 42 runs through action bars 2 and extends to the outside of action bars 2, through action bars 42, the side-to-side motion of drive standing groove 28 that can be fine.
The inner surface of sleeve 30 is fixed and is connected with elasticity extrusion pad 43, the internal surface of elasticity extrusion pad 43 presss from both sides tightly there is test tube 44, through the setting of elasticity extrusion pad 43, mainly can be fine press from both sides tight test tube 44.
A control method of a capacitance type biological reagent liquid level detection device comprises the following steps:
the method comprises the following steps: the test tube 44 filled with the biological reagent is inserted into the sleeve 30, the test tube is clamped through the elastic extrusion pad 43, the added biological reagent is injected into the feeding box 19, the reagent is mainly provided for the test tube with insufficient liquid level, the operating rod 42 is pushed, the placing groove 28 is driven by the operating rod 42 to move leftwards, the test tube 44 is indirectly driven to move leftwards, the test tube 44 to be detected is moved to the position right below the detection block 18, and better detection is facilitated;
step two: starting the motor 7, when the motor 7 works, driving the first belt pulley 8 to rotate, driving the second belt pulley 33 to rotate by the first belt pulley 8 through a belt, driving the rotating wheel 10 to rotate by the second belt pulley 33, driving the T-shaped block 12 to move up and down by the rotating wheel 10 through the arc-shaped groove 11, driving the ejector rod 13 and the pointer 32 to move down when the T-shaped block 12 moves down, and driving the soft rod 15 and the convex rod 17 to be inserted into the test tube 44 through the moving plate 14 when the ejector rod 32 moves down;
step three: when the detection block 18 is in contact with the liquid level of the reagent, due to the conductivity of the reagent, the output block 16 and the detection block 18, a circuit formed by the power module 38, the reagent and the resistor 36 is conducted, at this time, the voltage of the detection block 18 is the partial voltage of the reagent and the resistor 36 to the power module, at this time, the single chip microcomputer 37 detects the voltage change, so that the purpose of detecting the liquid level is achieved, at this time, the single chip microcomputer 37 controls the alarm lamp 35 to work, so as to remind a worker that the detection is finished, and meanwhile, the motor 7 stops working;
step four: the height of the liquid level inside the test tube 44 can be clearly known by observing the downward movement distance of the pointer 32 and the length of the test tube 44;
step five: when the liquid level height is not conform to the needs, hand connecting plate 25, rotate threaded sleeve 24 simultaneously, when threaded sleeve 24 is rotatory, will the up-and-down motion, through the downward motion of threaded sleeve 24, will drive connecting plate 25 and notes material mouth 26 downstream, make notes material mouth 26 insert test tube 44 inside can, start through button 34, at this moment singlechip 37 will drive motor 7 and electric telescopic handle 21 and carry out work, drive detection piece 18 upward movement through motor 7, move to appointed liquid level height, electric telescopic handle 21 starts, will drive sealing plug 22 downstream, thereby arrange the inside of test tube 44 through annotating material pipe 42 and notes material mouth 26 with the inside liquid level of feeding case 19, at this moment when the inside liquid level upward movement of test tube 44 reaches and detects piece 18 contact, singlechip 37 will control electric telescopic handle 21 stop work.
When the test tube testing device works, a test tube 44 filled with biological reagents is inserted into the sleeve 30, the test tube is clamped through the elastic extrusion pad 43, the added biological reagents are injected into the feeding box 19, the reagents are mainly provided for the test tube with insufficient liquid level, the operating rod 42 is pushed, the placing groove 28 is driven by the operating rod 42 to move leftwards, the test tube 44 is indirectly driven to move leftwards, the test tube 44 to be detected moves right below the detection block 18, better detection is mainly facilitated, the first belt pulley 8 can be well driven to rotate through the starting of the motor 7, the first belt pulley 8 drives the second belt pulley 33 to rotate through a belt, the second belt pulley 33 drives the rotating wheel 10 to rotate, at the moment, the rotating wheel 10 drives the T-shaped block 12 to move upwards and downwards through the arc-shaped groove 11, when the T-shaped block 12 moves downwards, the ejector rod 13 and the pointer 32 are driven to move downwards, when the top rod 32 moves downwards, the flexible rod 15 and the protruding rod 17 are driven by the moving plate 14 to be inserted into the test tube 44, when the detection block 18 contacts with the liquid level of the reagent, due to the conductivity of the reagent and the detection block 18, the circuit formed by the power module 38, the reagent and the resistor 36 is conducted, the voltage of the detection block 18 is the partial pressure of the reagent and the resistor 36 on the power module, the single chip microcomputer 37 detects the voltage change, so as to achieve the purpose of detecting the liquid level, at this time, the single chip microcomputer 37 controls the alarm lamp 35 to work, so as to remind the worker that the detection is finished, and simultaneously, the motor 7 stops working, at this time, the distance of the downward movement of the pointer 32 is observed, and the length of the test tube 44 is used, the height of the liquid level in the test tube 44 can be clearly known, when the height of the liquid level is needed, the connecting, when threaded sleeve 24 is rotatory, will the up-and-down motion, through the downward motion of threaded sleeve 24, will drive connecting plate 25 and notes material mouth 26 downstream, make it can inside to insert test tube 44 to annotate material mouth 26, through the start-up of button 34, at this moment singlechip 37 will drive motor 7 and electric telescopic handle 21 and carry out work, drive through motor 7 and survey piece 18 upward movement, move to appointed liquid level, electric telescopic handle 21 starts, will drive sealing plug 22 downstream, thereby arrange the inside of test tube 44 with the inside liquid level of feeding case 19 through annotating material pipe 42 and notes material mouth 26, thereby reagent to the inside of test tube 44 that can be fine, at this moment when the inside liquid level upward movement of test tube 44 to with survey piece 18 contact, singlechip 37 will control electric telescopic handle 21 stop work, the interpolation of reagent has been stopped indirectly.
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 capacitive biological reagent liquid level detection device is characterized in that: comprises that
A base plate;
the bottom of the operation groove is fixed on the top of the bottom plate;
the bottom ends of the two supporting legs are respectively fixed on two sides of the top of the bottom plate and are positioned on the back of the operation groove, and a top plate is fixedly connected between the top ends of the two supporting legs;
the bottom of the control box is fixed to the top of the top plate, and a partition plate is fixedly connected between the top and the bottom of the inner wall of the control box;
one side of the motor is fixed to the top of one side of the partition plate, and a first belt pulley is fixedly connected to the outer surface of an output shaft of the motor;
the top and the bottom of the baffle are respectively fixed on the top and the bottom of the inner wall of the control box; the top end and the bottom end of the rotating wheel are respectively and rotatably connected to the top and the bottom of the inner wall of the control box and located on one side of the baffle plate, an arc-shaped groove is formed in the outer surface of the rotating wheel, a T-shaped block is slidably connected to the inner part of the arc-shaped groove, and one side of the T-shaped block penetrates through the baffle plate and extends to the other side of the baffle plate;
the top end of the ejector rod is fixed to the bottom of the T-shaped block extending to the other side of the baffle plate, and the bottom end of the ejector rod penetrates through the control box and the top plate in sequence and extends to the bottom of the top plate;
the top of the movable plate is fixed at one end, extending to the bottom of the top plate, of the ejector rod, one side of the bottom of the movable plate is fixedly connected with a flexible rod, the bottom end of the flexible rod is fixedly connected with an output block, the other side of the bottom of the movable plate is fixedly connected with a convex rod, and the bottom end of the convex rod is fixedly connected with a detection block;
the bottom of the feeding box is fixed to the top of the top plate and located on one side of the control box, and an isolation plate is fixedly connected between the top and the bottom of the inner wall of the feeding box;
the top end of the electric telescopic rod is fixed to the top of the inner wall of the feeding box and is positioned on one side of the isolation plate, and the bottom end of the electric telescopic rod is fixedly connected with a sealing plug;
the top end of the threaded rod is fixed to the bottom of the top plate, a threaded sleeve is in threaded connection with the outer surface of the threaded rod, a connecting plate is fixedly connected to the bottom of the threaded sleeve, and a material injection nozzle is fixedly mounted on one side of the bottom of the connecting plate;
the bottom of the pushing plate is connected to the bottom of the inner wall of the operation groove in a sliding mode;
the bottom of the placing groove is fixed at the top of the pushing plate, a stabilizing plate is fixedly connected between two sides of the inner wall of the placing groove, and a sleeve is fixedly connected inside the stabilizing plate.
2. The capacitive bio-reagent level sensing device of claim 1, wherein: one side fixedly connected with scale plate of division board, and be located the bottom of motor, T type piece extends to the opposite side fixedly connected with pointer of baffle.
3. The capacitive bio-reagent level sensing device of claim 1, wherein: the outer surface of the top end of the rotating wheel is fixedly connected with a second belt pulley, and the outer surface of the second belt pulley is in transmission connection with the outer surface of the first belt pulley through a belt.
4. The capacitive bio-reagent level sensing device of claim 1, wherein: the front of control box fixedly connected with button respectively, the front of control box just is located the bottom fixedly connected with warning light of button.
5. The capacitive bio-reagent level sensing device of claim 1, wherein: one side fixedly connected with resistance at the top of the inner wall of control box, one side fixedly connected with singlechip of the inner wall of control box to one side fixedly connected with power module of the inner wall bottom of control box.
6. The capacitive bio-reagent level sensing device of claim 1, wherein: the bottom of isolated board has run through the inlet pipe, the inside fixed mounting of inlet pipe has the feed valve.
7. The capacitive bio-reagent level sensing device of claim 1, wherein: the bottom of the inner wall of the feeding box is located on one side of the isolation plate and is communicated with a material injection pipe, the other end of the material injection pipe penetrates through the top plate and extends to the bottom of the top plate, and one end of the material injection pipe, which extends to the bottom of the top plate, is communicated with the top of the material injection nozzle.
8. The capacitive bio-reagent level sensing device of claim 1, wherein: one side fixedly connected with action bars of standing groove, the one end of action bars runs through the action grooves and extends to the outside in action grooves.
9. The capacitive bio-reagent level sensing device of claim 1, wherein: the test tube clamp is characterized in that an elastic extrusion pad is fixedly connected to the inner surface of the sleeve, and a test tube is clamped on the inner surface of the elastic extrusion pad.
10. A control method of a capacitance type biological reagent liquid level detection device is characterized by comprising the following steps:
the method comprises the following steps: inserting the test tube filled with the biological reagent into the sleeve, clamping the test tube through the elastic extrusion pad, injecting the added biological reagent into the feeding box, pushing the operating rod, driving the placing groove to move leftwards through the operating rod, indirectly driving the test tube to move leftwards, and moving the test tube to be detected to be right below the detection block;
step two: the motor is started, when the motor works, the first belt pulley is driven to rotate, the first belt pulley drives the second belt pulley to rotate through the belt, the second belt pulley drives the rotating wheel to rotate, the rotating wheel drives the T-shaped block to move up and down through the arc-shaped groove, when the T-shaped block moves down, the ejector rod and the pointer are driven to move down, and when the ejector rod moves down, the flexible rod and the convex rod are driven to be inserted into the test tube through the movable plate;
step three: when the detection block is contacted with the liquid level of the reagent, the single chip microcomputer controls the alarm lamp to work and controls the motor to stop working at the same time;
step four: the height of the liquid level in the test tube can be clearly known by observing the downward movement distance of the pointer and the length of the test tube;
step five: when the liquid level is not conform to the needs, hand connecting plate, rotate threaded sleeve simultaneously, when threaded sleeve is rotatory, will the up-and-down motion, through the decurrent motion of threaded sleeve, will drive connecting plate and notes material mouth downstream, make notes material mouth insert inside the test tube can, start through the button, at this moment the singlechip will control motor and electric telescopic handle and carry out work, detect the piece upward movement through the motor drive, move appointed liquid level, electric telescopic handle starts, will drive sealing plug downstream, thereby arrange the inside to the test tube with the inside liquid level of feeding incasement portion through annotating material pipe and notes material mouth, at this moment when the inside liquid level upward movement of test tube arrives and surveys the piece contact, electric telescopic handle stop work will be controlled to the singlechip.
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| CN201811474521.5A CN109470330B (en) | 2018-12-04 | 2018-12-04 | Capacitive biological reagent liquid level detection device and control method |
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| CN201811474521.5A CN109470330B (en) | 2018-12-04 | 2018-12-04 | Capacitive biological reagent liquid level detection device and control method |
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| US5262731A (en) * | 1991-04-18 | 1993-11-16 | Olympus Optical Co., Ltd. | Liquid level detector |
| CN201476844U (en) * | 2009-08-10 | 2010-05-19 | 苏州捷美电子有限公司 | Capacitive liquid-level detecting device |
| CN102478417A (en) * | 2010-11-25 | 2012-05-30 | 上海安彩智能技术有限公司 | Liquid level detection device of sample adding system |
| CN206348350U (en) * | 2016-11-16 | 2017-07-21 | 深圳市柏明胜医疗器械有限公司 | A kind of two-dimensional deviT of integrated level detection |
| CN108593950A (en) * | 2018-03-26 | 2018-09-28 | 中国科学院苏州生物医学工程技术研究所 | A kind of liquid automatic sample feeding device |
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2018
- 2018-12-04 CN CN201811474521.5A patent/CN109470330B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262731A (en) * | 1991-04-18 | 1993-11-16 | Olympus Optical Co., Ltd. | Liquid level detector |
| CN201476844U (en) * | 2009-08-10 | 2010-05-19 | 苏州捷美电子有限公司 | Capacitive liquid-level detecting device |
| CN102478417A (en) * | 2010-11-25 | 2012-05-30 | 上海安彩智能技术有限公司 | Liquid level detection device of sample adding system |
| CN206348350U (en) * | 2016-11-16 | 2017-07-21 | 深圳市柏明胜医疗器械有限公司 | A kind of two-dimensional deviT of integrated level detection |
| CN108593950A (en) * | 2018-03-26 | 2018-09-28 | 中国科学院苏州生物医学工程技术研究所 | A kind of liquid automatic sample feeding device |
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