CN109470330A - A kind of condenser type biological reagent liquid level sensor and control method - Google Patents
A kind of condenser type biological reagent liquid level sensor and control method Download PDFInfo
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- CN109470330A CN109470330A CN201811474521.5A CN201811474521A CN109470330A CN 109470330 A CN109470330 A CN 109470330A CN 201811474521 A CN201811474521 A CN 201811474521A CN 109470330 A CN109470330 A CN 109470330A
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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
Abstract
The invention discloses a kind of condenser type biological reagent liquid level sensor and control methods, including bottom plate；The top of the bottom plate is fixed in operating groove, the bottom of the operating groove；Two supporting legs, the bottom end of two supporting legs is individually fixed in the two sides at the top of the bottom plate, and is located at the back side of operating groove, is fixedly connected with top plate between the top of two supporting legs.The present invention relates to biological reagent level detection equipment technical fields.The condenser type biological reagent liquid level sensor and control method, have good prompting function, and staff observes the distance that pointer moves downward, and the length for passing through test tube, so that it may be clearly understood that the height of test tube interior liquid level, there is good liquid level detection function, rapid and convenient, time saving and energy saving, cost is relatively low, and accuracy is higher, reduce certain error, the efficiency and effect for improving detection well, meet the use of different people, improve the practicability of equipment.
Description
Technical field
The present invention relates to biological reagent level detection equipment technical field, specially a kind of condenser type biological reagent liquid level inspection
Survey device and control method.
Background technique
Biological reagent refers to biomaterial in relation to life science or organic compound and clinical diagnosis, medicine
The reagent of research.Since life science is wide, development is fast, such varieties of reagent is various, property is complicated.Mainly there is electrophoresis
Reagent, centrifuge separation reagent, immunoreagent, labelled reagent, High iron-diamine method, becomes agent and carcinogen thoroughly, kills chromatorgaphy reagent
Worm agent, nutrient chemical, buffer, Electronic Speculum reagent, protein and nucleic acid precipitating reagent, condensing agent, ultrafiltration membrane, reagent for clinical diagnosis, dye
Toner, antioxidant, mould inhibitor, detergent and surfactant, physicochemical specifications product reagent, biochemistry quality control product reagent, separation material
Material etc..
Biological reagent in the course of the study, is usually studied the inside that reagent is packed into test tube, and the mistake of research
Cheng Zhong, it will usually use level detection equipment, however existing capacitance level detection device cannot be well to test tube interior
Liquid level detected, detection method is excessively complicated, needs to use a large amount of instrument and is detected, time-consuming and laborious, and accidentally
Difference is larger, and level detection is not comprehensive, the serious efficiency and effect for reducing level detection, it is often more important that existing capacitor
Formula level detection equipment does not have good medicament and adds function, generallys use artificial addition, so that the amount of addition cannot be very
Good control, and causes finally to need repeatedly to be detected, the serious cost for improving biological reagent research.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of condenser type biological reagent liquid level sensor and controlling parties
Method, solving well to detect the liquid level of test tube interior, time-consuming and laborious, and does not have good medicament and add
The problem of function.
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of condenser type biological reagent liquid level
Detection device and control method, including bottom plate；The top of the bottom plate is fixed in operating groove, the bottom of the operating groove；Two
Supporting leg, the bottom end of two supporting legs is individually fixed in the two sides at the top of the bottom plate, and is located at the back side of operating groove,
Top plate is fixedly connected between the top of two supporting legs；The top plate is fixed in control cabinet, the bottom of the control cabinet
Top, be fixedly connected with demarcation plate between the top and bottom of the inner wall of the control cabinet；The side of motor, the motor is solid
Due to the top of the side of the demarcation plate, the outer surface of the motor output shaft is fixedly connected with the first belt pulley；Baffle, institute
State the top and bottom that the inner wall of the control cabinet is individually fixed at the top and bottom of baffle；Rotating wheel, the rotating wheel
Top and bottom end are rotationally connected with the top and bottom of the inner wall of the control cabinet respectively, and are located at the side of the baffle, institute
The outer surface for stating rotating wheel offers arc groove, and the internal slide of the arc groove is connected with T-block, the side of the T-block
Through the baffle and extend to the other side of the baffle；Mandril, the top of the mandril are fixed on the T-block and are extended to
The bottom of the other side of the baffle, the bottom end of the mandril sequentially pass through the control cabinet and the top plate and extend to described
The bottom of top plate；Movable plate is fixed on one end that the mandril extends to the bottom of the top plate, institute at the top of the movable plate
The side for stating the bottom of movable plate is fixedly connected with soft bar, and the bottom end of the soft bar is fixedly connected with output block, the shifting
The other side of movable plate bottom is fixedly connected with nose bar, and the bottom end of the nose bar is fixedly connected with detection block；Material feeding box, the charging
The top of the top plate is fixed in the bottom of case, and is located at the side of the control cabinet, the top of the inner wall of the material feeding box and
Isolation plate is fixedly connected between bottom；The interior of the material feeding box is fixed on electric telescopic rod, the top of the electric telescopic rod
The top of wall, and it is located at the side of isolation plate, the bottom end of the electric telescopic rod is fixedly connected with sealing-plug；Threaded rod, it is described
The bottom of the top plate is fixed on the top of threaded rod, and the outer surface thread of the threaded rod is connected with screw shell, the spiral shell
The bottom of line sleeve is fixedly connected with connecting plate, and the side of the bottom of the connecting plate is fixedly installed with material injection nozzle；Pushing plate, institute
State pushing plate basal sliding be connected to the operating groove inner wall bottom；The bottom of placing groove, the placing groove is fixed on
The top of the pushing plate is fixedly connected with steadying plate, the inside of the steadying plate between the two sides of the inner wall of the placing groove
It is fixedly connected with sleeve.
Further, the side of the demarcation plate is fixedly connected with scale plate, and is located at the bottom of the motor, the T
The other side that type block extends to the baffle is fixedly connected with pointer.
Further, the outer surface on the top of the rotating wheel is fixedly connected with the second belt pulley, second belt pulley
Outer surface belt transmission connection is passed through by the outer surface of belt and first belt pulley.
Further, the front of the control cabinet has been respectively fixedly connected with key, and the front of the control cabinet and being located at is pressed
The bottom of key is fixedly connected with warning light.
Further, the side at the top of the inner wall of the control cabinet is fixedly connected with resistance, the inner wall of the control cabinet
Side be fixedly connected with single-chip microcontroller, and the side of the inner wall bottom of the control cabinet is fixedly connected with power module.
Further, through there is feed pipe, the inside of the feed pipe is fixedly installed with charging for the bottom of the isolation plate
Valve.
Further, the bottom of the inner wall of the material feeding box and be located at it is described isolation plate side be communicated with filling tube, institute
The other end of filling tube is stated through the top plate and extends to the bottom of the top plate, the filling tube extends to the top plate
One end of bottom is connected to the top of the material injection nozzle.
Further, the side of the placing groove is fixedly connected with operating stick, and the behaviour is run through in one end of the operating stick
Make slot and extends to the outside of the operating groove.
Further, the inner surface of the sleeve is fixedly connected with flexible dummy block, the inner surface of the elasticity dummy block
Clamping has test tube.
A kind of control method of condenser type biological reagent liquid level sensor, comprising the following steps:
Step 1: the inside of the test tube insertion sleeve equipped with biological reagent presss from both sides test tube by elastic dummy block
Tightly, and by the biological reagent of addition it is injected into the inside of hopper, then pushes operating stick, placing groove is driven to the left by operating stick
Movement drives test tube to carry out left movement indirectly, the underface that the test tube detected will be needed to move to detection block；
Step 2: starting motor just will drive the first belt pulley and rotated, the first belt pulley passes through when motor works
Belt drives the second belt pulley to be rotated, and the second belt pulley drives rotating wheel to be rotated, and at this moment rotating wheel will pass through arc
Shape slot drives T-block to move up and down, and when T-block moves downward, just will drive mandril and pointer moves downward, mandril moves downward
When, soft bar and nose bar will be driven to be inserted into the inside of test tube by movable plate；
Step 3: when detecting block and reagent solution face contact, at this moment single-chip microcontroller will control warning light and work, and
Motor is controlled simultaneously to stop working；
Step 4: the length of distance and test tube that observation pointer moves downward, so that it may be clearly understood that in test tube
The height of portion's liquid level；
Step 5: when liquid level, which is not met, to be needed, hand steered connecting plate, while screw shell is rotated, work as screw shell
It when rotation, will move up and down, by the movement that screw shell is downward, just will drive connecting plate and material injection nozzle moves downward, make
Material injection nozzle is inserted into test tube interior, by the starting of key, at this moment single-chip microcontroller will control motor and electric telescopic rod into
Row work drives detection block to move upwards by motor, moves to specified liquid level, and electric telescopic rod starting just will drive
Sealing-plug moves downward, so that the liquid level inside material feeding box to be drained into the inside of test tube by filling tube and material injection nozzle, at this moment when
When test tube interior liquid level moves upward to and detection block contacts, single-chip microcontroller will control electric telescopic rod and stop working.
Compared with prior art, the beneficial effects of the present invention are:
(1), the condenser type biological reagent liquid level sensor and control method can be very good by the starting of motor
It drives the first belt pulley to be rotated, drives the second belt pulley to be rotated indirectly, when the second belt pulley rotates, just will drive and turn
Driving wheel is rotated, and at this moment rotating wheel will drive T-block to move up and down by arc groove, will band when T-block moves downward
Dynamic mandril and pointer move downward, and when mandril moves downward, soft bar and nose bar will be driven to be inserted into test tube by movable plate
Inside, when detecting block and reagent solution face contact, due to reagent, the electric conductivity of detection block, power module, reagent, resistance shape
At circuit conducting, the voltage for detecting block at this time is reagent and resistance to the partial pressure of power module, and at this moment single-chip microcontroller can detect
Voltage change works to achieve the purpose that detect level detection and at the same time single-chip microcontroller will control warning light, so as to
In reminding staff that detection finishes, there is good prompting function, staff observes the distance that pointer moves downward, and
Pass through the length of test tube, so that it may be clearly understood that the height of test tube interior liquid level, there is good liquid level detection function, fastly
Speed is convenient, and time saving and energy saving, cost is relatively low, and accuracy is higher, reduces certain error, improves the effect of detection well
Rate and effect meet the use of different people, improve the practicability of equipment.
(2), the condenser type biological reagent liquid level sensor and control method can be very by the rotation of screw shell
Good drive connecting plate and material injection nozzle moves up and down, downward by material injection nozzle, so that material injection nozzle can be very good insertion test tube
Inside, then by the starting of electric telescopic rod, can be very good that sealing-plug is driven to move downward, at this moment can be by material feeding box
Internal liquid level drains into the inside of test tube by filling tube and material injection nozzle, adds examination so as to the inside well to test tube
Agent has the function of good reagent addition, and reagent addition is very convenient, does not need manually to be added manually, Ke Yijin
The quantitative addition of row, it is time saving and energy saving, greatly improve the comprehensive and usability of level detection equipment.
(3), the condenser type biological reagent liquid level sensor and control method can be with by the setting of elastic dummy block
Test tube is clamped well, and by the setting of elastic dummy block, avoids clamping force excessive, leads to the damage of test tube,
With good protective value, and by the setting of sleeve, avoid during detection, test tube there is a phenomenon where movement,
With certain position-limiting action, convenient for preferably being detected.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structure sectional view of control cabinet of the present invention；
Fig. 3 is the structure sectional view of material feeding box of the present invention；
Fig. 4 is the structure top view of sleeve of the present invention；
Fig. 5 is the partial enlarged view in Fig. 1 of the present invention at A；
Fig. 6 is the structural schematic diagram of movable plate of the present invention.
In figure: 1- bottom plate, 2- operating groove, 3- supporting leg, 4- top plate, 5- control cabinet, 6- demarcation plate, 7- motor, 8- first
Belt pulley, 9- baffle, 10- rotating wheel, 11- arc groove, 12-T type block, 13- mandril, 14- movable plate, the soft bar of 15-, 16- are defeated
Out block, 17- nose bar, 18- detection block, 19- material feeding box, 20- isolation plate, 21- electric telescopic rod, 22- sealing-plug, 23- threaded rod,
24- screw shell, 25- connecting plate, 26- material injection nozzle, 27- pushing plate, 28- placing groove, 29- steadying plate, 30- sleeve, 31- scale
Plate, 32- pointer, the second belt pulley of 33-, 34- key, 35- warning light, 36- resistance, 37- single-chip microcontroller, 38- power module, 39-
Feed pipe, 40- inlet valve, 41- filling tube, 42- operating stick, 43- elasticity dummy block, 44- test tube.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of condenser type biological reagent liquid level sensor and control
Method processed, including bottom plate 1；The top of the bottom plate 1 is fixed in operating groove 2, the bottom of the operating groove 2；Two supporting legs 3,
The bottom end of two supporting legs 3 is individually fixed in the two sides at the top of the bottom plate 1, and is located at the back side of operating groove 2, and two
Top plate 4 is fixedly connected between the top of the supporting leg 3；The top plate 4 is fixed in control cabinet 5, the bottom of the control cabinet 5
Top, be fixedly connected with demarcation plate 6 between the top and bottom of the inner wall of the control cabinet 5；Motor 7, the one of the motor 7
The top of the side of the demarcation plate 6 is fixed in side, and the outer surface of 7 output shaft of motor is fixedly connected with the first belt pulley 8；
Baffle 9, the top and bottom of the baffle 9 are individually fixed in the top and bottom of the inner wall of the control cabinet 5, baffle 9 it is interior
Portion offers sliding slot, is primarily to facilitate the sliding of T-block 12；Rotating wheel 10, the top and bottom end of the rotating wheel 10 turn respectively
The top and bottom of the dynamic inner wall for being connected to the control cabinet 5, and it is located at the side of the baffle 9, outside the rotating wheel 10
Surface offers arc groove 11, and the internal slide of the arc groove 11 is connected with T-block 12, mainly when rotating wheel 10 rotates,
It can be very good that T-block 12 is driven to move up and down by arc groove 11, the side of the T-block 12 through the baffle 9 and is prolonged
Extend to the other side of the baffle 9；Mandril 13, the top of the mandril 13 are fixed on the T-block 12 and extend to the baffle 9
The other side bottom, the bottom end of the mandril 13 sequentially passes through the control cabinet 5 and the top plate 4 and extends to the top plate
4 bottom；One that the mandril 13 extends to the bottom of the top plate 4 is fixed at movable plate 14, the top of the movable plate 14
End, the side of the bottom of the movable plate 14 are fixedly connected with soft bar 15, and soft bar 15 has certain soft function herein
Can, mainly when the bottom of soft bar 15 and 44 inner wall of test tube contacts, nose bar 17 can also continue to move downward, and soft bar
15 length is greater than the length of nose bar 17, and the bottom end of the soft bar 15 is fixedly connected with output block 16, the movable plate 14
The other side of bottom is fixedly connected with nose bar 17, and the bottom end of the nose bar 17 is fixedly connected with detection block 18, by detecting block 18
Carry out reagent detecting liquid level；The top of the top plate 4 is fixed in material feeding box 19, the bottom of the material feeding box 19, and is located at described
The side of control cabinet 5 is fixedly connected with isolation plate 20 between the top and bottom of the inner wall of the material feeding box 19, passes through material feeding box
19 can be added reagent to below standard test tube 44；The top of electric telescopic rod 21, the electric telescopic rod 21 is fixed on
The top of the inner wall of the material feeding box 19, and it is located at the side of isolation plate 20, the bottom end of the electric telescopic rod 21 is fixedly connected
There is a sealing-plug 22, the two sides of sealing-plug 22 side contacts with 19 inner wall of side and material feeding box of isolation plate 20 respectively, and lead to
The starting for crossing electric telescopic rod 21 can be very good that sealing-plug 22 is driven to move downward；Threaded rod 23, the top of the threaded rod 23
The bottom of the top plate 4 is fixed at end, and the outer surface thread of the threaded rod 23 is connected with screw shell 24, mainly works as screw thread
When sleeve 24 rotates, by the threaded connection between threaded rod 23, so that screw shell 24, during rotation, itself is produced
Raw to move up and down, the bottom of the screw shell 24 is fixedly connected with connecting plate 25, and the side of the bottom of the connecting plate 25 is solid
Dingan County is equipped with material injection nozzle 26, by the movement of about 25 connecting plate, can be very good that material injection nozzle 26 is driven to move up and down, convenient for note
Expect that mouth 26 is inserted into the inside of test tube 44；Pushing plate 27, the basal sliding of the pushing plate 27 are connected to the inner wall of the operating groove 2
Bottom；The top of the pushing plate 27, the inner wall of the placing groove 28 are fixed in placing groove 28, the bottom of the placing groove 28
Two sides between be fixedly connected with steadying plate 29, the inside of the steadying plate 29 is fixedly connected with sleeve 30, herein sleeve 30
Quantity be three, mainly continuously three test tubes 22 can be detected, and the setting of sleeve 30, mainly can be right
Test tube 22 is clamped, and is avoided during detection, and there is a phenomenon where movements for test tube 22.
The side of the demarcation plate 6 is fixedly connected with scale plate 31, and is located at the bottom of the motor 7, the T-block 12
The other side for extending to the baffle 9 is fixedly connected with pointer 32, mainly when T-block 12 moves downward, can drive and refer to
Needle 32 moves downward, and in order to be clearly understood that distance that pointer 32 moves downward, is recognized inside test tube 44 with this
Liquid level position, and the front of control cabinet 5 is equipped with transparent panel, the viewing convenient for work to pointer 32.
The outer surface on the top of the rotating wheel 10 is fixedly connected with the second belt pulley 33, second belt pulley 33 it is outer
Surface is sequentially connected by the outer surface of belt and first belt pulley 8 by belt, mainly when the first belt pulley 8 rotates
When, the second belt pulley 33 can be driven to be rotated by belt with the time.
The front of the control cabinet 5 has been respectively fixedly connected with key 34, herein the output end of key 34 and single-chip microcontroller 37
Input terminal connection, the front of the control cabinet 5 and be located at key 34 bottom be fixedly connected with warning light 35, alarm herein
The main function of lamp 35 is to carry out alarm, and the input terminal of warning light 35 is connect with the output end of single-chip microcontroller 37.
The side at the top of the inner wall of the control cabinet 5 is fixedly connected with resistance 36, one end of resistance 36 and power module
38 anode connections, one end are connect with detection block 18, and the side of the inner wall of the control cabinet 5 is fixedly connected with single-chip microcontroller 37, at this
In single-chip microcontroller 37 connect by conducting wire with block 18 is detected, and the side of the inner wall bottom of the control cabinet 5 is fixedly connected with electricity
Source module 38, the anode of power module 38 is connect with detection block 18 herein, and the cathode of power module 38 is connect with output block 16.
Through there is feed pipe 39, the effect of feed pipe 39 is the reagent row that will completely cut off plate side for the bottom of the isolation plate 20
To the other side of isolation plate, the inside of the feed pipe 39 is fixedly installed with inlet valve 40, and inlet valve 40 is check valve herein,
Avoid the refluence of reagent.
The bottom of the inner wall of the material feeding box 19 and be located at it is described isolation plate 20 side be communicated with filling tube 41, herein
Filling tube 41 is soft tube, has certain retractility, and the inside of filling tube 41 is fixedly installed with check valve, mainly keeps away
When exempting from the starting of electric telescopic rod 21, refluence state occurs for the reagent inside filling tube 41, and the other end of the filling tube 41 runs through
The top plate 4 and the bottom for extending to the top plate 4, the filling tube 41 extend to one end and the institute of the bottom of the top plate 4
State the top connection of material injection nozzle 26.
The side of the placing groove 28 is fixedly connected with operating stick 42, and the operating groove is run through in one end of the operating stick 42
2 and the outside of the operating groove 2 is extended to, by operating stick 42, can be very good to drive 28 side-to-side movement of placing groove.
The inner surface of the sleeve 30 is fixedly connected with flexible dummy block 43, and the inner surface of the elasticity dummy block 43 clamps
There is test tube 44, by the setting of elastic dummy block 43, mainly can be very good to be clamped test tube 44.
A kind of control method of condenser type biological reagent liquid level sensor, comprising the following steps:
Step 1: the inside of sleeve 30 will be inserted into equipped with the test tube 44 of biological reagent, by elastic dummy block 43 to test tube
It is clamped, and the biological reagent of addition is injected into the inside of hopper 19, primarily to the insufficient test tube of liquid level provides
Reagent, then operating stick 42 is pushed, it drives placing groove 28 to move downward by operating stick 42, drives test tube 44 to carry out left fortune indirectly
Underface that is dynamic, the test tube 44 detected will being needed to move to detection block 18, is primarily to facilitate better detection；
Step 2: starting motor 7 just will drive the first belt pulley 8 and rotated when motor 7 works, the first belt pulley 8
The second belt pulley 33 is driven to be rotated by belt, the second belt pulley 33 drives rotating wheel 10 to be rotated, at this moment rotating wheel
10 will drive T-block 12 to move up and down by arc groove 11, when T-block 12 moves downward, just will drive mandril 13 and pointer
32 move downward, and when mandril 32 moves downward, soft bar 15 and nose bar 17 will be driven to be inserted into test tube 44 by movable plate 14
It is internal；
Step 3: when detecting block 18 and reagent solution face contact, due to reagent, process block 16 and the electric conductivity for detecting block 18
Can, the circuit conducting that power module 38, reagent, resistance 36 are formed, the voltage for detecting block 18 at this time is 36 pairs of electricity of reagent and resistance
The partial pressure of source module, at this moment single-chip microcontroller 37 can detect voltage change, to achieve the purpose that detect level detection, at this moment monolithic
Machine 37 will control warning light 35 and work, in order to remind staff that detection finishes, and at the same time being stopped by motor 7
Work；
Step 4: the length of distance and test tube 44 that observation pointer 32 moves downward, so that it may be clearly understood that examination
The height of 44 internal liquid level of pipe；
Step 5: when liquid level, which is not met, to be needed, hand steered connecting plate 25, while screw shell 24 is rotated, work as screw thread
When sleeve 24 rotates, it will move up and down, by the movement that screw shell 24 is downward, just will drive connecting plate 25 and material injection nozzle 26
It moves downward, so that material injection nozzle 26 is inserted into 44 inside of test tube, by the starting of key 34, at this moment single-chip microcontroller 37 just be will drive
Motor 7 and electric telescopic rod 21 work, and drive detection block 18 to move upwards by motor 7, move to specified liquid level,
Electric telescopic rod 21 starts, and just will drive sealing-plug 22 and moves downward, so that the liquid level inside material feeding box 19 is passed through filling tube
42 and material injection nozzle 26 drain into the inside of test tube 44, at this moment when 44 internal liquid level of test tube is moved upward to detecting block 18 and contacting,
Single-chip microcontroller 37 will control electric telescopic rod 21 and stop working.
When work, the inside of sleeve 30 will be inserted into equipped with the test tube 44 of biological reagent, by elastic dummy block 43 to test tube
It is clamped, and the biological reagent of addition is injected into the inside of hopper 19, primarily to the insufficient test tube of liquid level provides
Reagent, then operating stick 42 is pushed, it drives placing groove 28 to move downward by operating stick 42, drives test tube 44 to carry out left fortune indirectly
Underface that is dynamic, the test tube 44 detected will being needed to move to detection block 18, is primarily to facilitate better detection, then pass through motor 7
Starting, can be very good drive the first belt pulley 8 rotated, the first belt pulley 8 by belt drive the second belt pulley 33
It is rotated, the second belt pulley 33 drives rotating wheel 10 to be rotated, and at this moment rotating wheel 10 will drive T-type by arc groove 11
Block 12 moves up and down, and when T-block 12 moves downward, just will drive mandril 13 and pointer 32 moves downward, mandril 32 moves downward
When, soft bar 15 and nose bar 17 will be driven to be inserted into the inside of test tube 44 by movable plate 14, when detection block 18 and reagent liquid level
When contact, due to reagent, the electric conductivity of detection block 18, the circuit conducting that power module 38, reagent, resistance 36 are formed, at this time
The voltage for detecting block 18 is reagent and resistance 36 to the partial pressure of power module, and at this moment single-chip microcontroller 37 can detect voltage change, from
And achieve the purpose that detect level detection, at this moment single-chip microcontroller 37 will control warning light 35 and work, in order to remind work
Personnel's detection finishes, and at the same time stopping working by motor 7, at this moment observes the distance that pointer 32 moves downward, and pass through
The length of test tube 44, so that it may be clearly understood that the height of 44 internal liquid level of test tube, when liquid level, which is not met, to be needed, hand
Connecting plate 25 is helped, while rotating screw shell 24, when screw shell 24 rotates, will move up and down, pass through screw shell 24
Downward movement, just will drive connecting plate 25 and material injection nozzle 26 moves downward, so that material injection nozzle 26 is inserted into 44 inside of test tube,
By the starting of key 34, at this moment single-chip microcontroller 37 just will drive motor 7 and electric telescopic rod 21 works, and pass through 7 band of motor
Dynamic detection block 18 moves upwards, and moves to specified liquid level, and electric telescopic rod 21 starts, and just will drive sealing-plug 22 and transports downwards
It is dynamic, so that the liquid level inside material feeding box 19 drained into the inside of test tube 44 by filling tube 42 and material injection nozzle 26, so as to very
Reagent is added in the good inside to test tube 44, at this moment when 44 internal liquid level of test tube, which is moved upward to, to be contacted with detection block 18,
Single-chip microcontroller 37 will control electric telescopic rod 21 and stop working, and stopped the addition of reagent indirectly.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of condenser type biological reagent liquid level sensor, it is characterised in that: including
Bottom plate；
The top of the bottom plate is fixed in operating groove, the bottom of the operating groove；
Two supporting legs, the bottom end of two supporting legs is individually fixed in the two sides at the top of the bottom plate, and is located at operation
The back side of slot is fixedly connected with top plate between the top of two supporting legs；
The top of the top plate, the top and bottom of the inner wall of the control cabinet are fixed in control cabinet, the bottom of the control cabinet
Between be fixedly connected with demarcation plate；
The top of the side of the demarcation plate is fixed in motor, the side of the motor, and the outer surface of the motor output shaft is solid
Surely it is connected with the first belt pulley；
Baffle is individually fixed in the top and bottom of the inner wall of the control cabinet at the top and bottom of the baffle；Rotating wheel, institute
The top and bottom end of stating rotating wheel are rotationally connected with the top and bottom of the inner wall of the control cabinet respectively, and are located at the baffle
Side, the outer surface of the rotating wheel offers arc groove, and the internal slide of the arc groove is connected with T-block, the T-type
The side of block runs through the baffle and extends to the other side of the baffle；
The bottom that the T-block extends to the other side of the baffle is fixed on mandril, the top of the mandril, the mandril
Bottom end sequentially passes through the control cabinet and the top plate and the bottom for extending to the top plate；
Movable plate is fixed on one end that the mandril extends to the bottom of the top plate, the movement at the top of the movable plate
The side of the bottom of plate is fixedly connected with soft bar, and the bottom end of the soft bar is fixedly connected with output block, the movable plate bottom
The other side in portion is fixedly connected with nose bar, and the bottom end of the nose bar is fixedly connected with detection block；
The top of the top plate is fixed in material feeding box, the bottom of the material feeding box, and is located at the side of the control cabinet, it is described into
Isolation plate is fixedly connected between the top and bottom of the inner wall of hopper；
The top of the inner wall of the material feeding box is fixed on electric telescopic rod, the top of the electric telescopic rod, and is located at isolation plate
Side, the bottom end of the electric telescopic rod is fixedly connected with sealing-plug；
The bottom of the top plate is fixed on threaded rod, the top of the threaded rod, and the outer surface thread of the threaded rod is connected with
Screw shell, the bottom of the screw shell are fixedly connected with connecting plate, and the side of the bottom of the connecting plate is fixedly installed with
Material injection nozzle；
Pushing plate, the basal sliding of the pushing plate are connected to the bottom of the inner wall of the operating groove；
The top of the pushing plate is fixed in placing groove, the bottom of the placing groove, between the two sides of the inner wall of the placing groove
It is fixedly connected with steadying plate, the inside of the steadying plate is fixedly connected with sleeve.
2. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the demarcation plate
Side be fixedly connected with scale plate, and be located at the bottom of the motor, the other side that the T-block extends to the baffle is solid
Surely it is connected with pointer.
3. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the rotating wheel
The outer surface on top be fixedly connected with the second belt pulley, the outer surface of second belt pulley passes through belt and first skin
The outer surface of belt wheel is sequentially connected by belt.
4. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the control cabinet
Front be respectively fixedly connected with key, the front of the control cabinet and bottom for being located at key is fixedly connected with warning light.
5. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the control cabinet
The side at top of inner wall be fixedly connected with resistance, the side of the inner wall of the control cabinet is fixedly connected with single-chip microcontroller, and
The side of the inner wall bottom of the control cabinet is fixedly connected with power module.
6. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the isolation plate
Bottom through there is feed pipe, the inside of the feed pipe is fixedly installed with inlet valve.
7. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the material feeding box
Inner wall bottom and be located at the side of the isolation plate and be communicated with filling tube, the other end of the filling tube runs through the top plate
And the bottom of the top plate is extended to, the filling tube extends to one end of the bottom of the top plate and the top of the material injection nozzle
Connection.
8. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the placing groove
Side be fixedly connected with operating stick, one end of the operating stick through the operating groove and extends to the outer of the operating groove
Portion.
9. a kind of condenser type biological reagent liquid level sensor according to claim 1, it is characterised in that: the sleeve
Inner surface is fixedly connected with flexible dummy block, and the inner surface clamping of the elasticity dummy block has test tube.
10. a kind of control method of condenser type biological reagent liquid level sensor, which comprises the following steps:
Step 1: the inside of the test tube insertion sleeve equipped with biological reagent is clamped test tube by elastic dummy block, and
And the biological reagent of addition is injected into the inside of hopper, then push operating stick, drive placing groove to move downward by operating stick,
Test tube is driven to carry out left movement indirectly, the underface that the test tube detected will be needed to move to detection block；
Step 2: starting motor just will drive the first belt pulley and rotated, the first belt pulley passes through belt when motor works
The second belt pulley is driven to be rotated, the second belt pulley drives rotating wheel to be rotated, and at this moment rotating wheel will pass through arc groove
It drives T-block to move up and down, when T-block moves downward, just will drive mandril and pointer moves downward, when mandril moves downward,
Soft bar and nose bar will be driven to be inserted into the inside of test tube by movable plate；
Step 3: when detecting block and reagent solution face contact, at this moment single-chip microcontroller will control warning light and work, and at the same time
Control motor stops working；
Step 4: the length of distance and test tube that observation pointer moves downward, so that it may be clearly understood that test tube interior liquid
The height in face；
Step 5: when liquid level, which is not met, to be needed, hand steered connecting plate, while screw shell is rotated, when screw shell rotates
When, it will move up and down, by the movement that screw shell is downward, just will drive connecting plate and material injection nozzle moves downward, so that note
Expect that mouth is inserted into test tube interior, by the starting of key, at this moment single-chip microcontroller will control motor and electric telescopic rod carries out work
Make, drive detection block to move upwards by motor, move to specified liquid level, electric telescopic rod starting just will drive sealing
Plug moves downward, so that the liquid level inside material feeding box to be drained into the inside of test tube by filling tube and material injection nozzle, at this moment works as test tube
When internal liquid level moves upward to and detection block contacts, single-chip microcontroller will control electric telescopic rod and stop working.
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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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880773A (en) * | 2021-01-13 | 2021-06-01 | 南京工业大学 | Convenient multi-functional capacitanc level sensor fixing device |
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| 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 for sample addition 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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| 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 for sample addition system |
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| CN109470330B (en) | 2020-07-07 |
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