CN112547158A - Chemical experiment test bed convenient for cleaning utensils and use method thereof - Google Patents

Chemical experiment test bed convenient for cleaning utensils and use method thereof Download PDF

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Publication number
CN112547158A
CN112547158A CN202011325584.1A CN202011325584A CN112547158A CN 112547158 A CN112547158 A CN 112547158A CN 202011325584 A CN202011325584 A CN 202011325584A CN 112547158 A CN112547158 A CN 112547158A
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China
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water
cleaning
experiment
wall
tank
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CN202011325584.1A
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Chinese (zh)
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王全银
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01LCHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00Supporting devices; Holding devices
    • B01L9/02Laboratory benches or tables; Fittings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08Cleaning containers, e.g. tanks
    • B08B9/20Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought
    • B08B9/28Cleaning containers, e.g. tanks by using apparatus into or on to which containers, e.g. bottles, jars, cans are brought the apparatus cleaning by splash, spray, or jet application, with or without soaking

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

The invention discloses a test bed for chemical experiments and a using method thereof, wherein the test bed is convenient for cleaning utensils, and comprises an experiment box body, an experiment table plate is arranged above the experiment box body, a water tank is welded at the lower part of one side of the outer wall of the experiment box body, a cleaning box body is welded at the top of the outer wall of the experiment box body, a submersible pump is connected with one side of the bottom of an inner cavity of the water tank, a utensil cleaning tank is arranged in the inner cavity of the cleaning box body, a three-way valve is arranged at the lower part of the outer wall of one side of the water tank, the three-way valve is respectively provided with; the front side, the rear side, the left side and the right side of the inner wall of the vessel cleaning tank are respectively provided with a plurality of high-pressure spray heads, and the water outlet is communicated with the inner cavity of the vessel cleaning tank. In the invention, the chemical utensils can be cleaned in all directions through the plurality of high-pressure nozzles; the single chip microcomputer can set the cleaning time at regular time; meanwhile, water resources can be recycled during cleaning, and waste of the water resources is reduced.

Description

Chemical experiment test bed convenient for cleaning utensils and use method thereof
Technical Field
The invention relates to the technical field of chemical experiments, in particular to a chemical experiment test bed convenient for cleaning utensils and a use method thereof.
Background
Chemistry is a natural science, which mainly studies the composition, properties, structure and change rule of substances at molecular and atomic level to create new substances (molecules which do not exist in nature).
Chemistry needs carry out the student in the teaching and tests, and chemistry experiment household utensils need artifical the washing after using, comparatively wastes time and energy, comparatively wastes water resource when wasing, simultaneously, because the experimenter's height is different, and the height of test bench is often fixed, can produce a great deal of inconvenient part when the experiment.
Therefore, the chemical experiment test bed convenient for cleaning the vessel and the use method thereof are provided.
Disclosure of Invention
The invention aims to provide a chemical experiment test bed convenient for cleaning vessels and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a laboratory test bench for chemistry experiments convenient to washware includes:
an experiment table plate is arranged above the experiment box body, a water tank is welded at the lower part of one side of the outer wall of the experiment box body, a cleaning box body is welded at the top of the water tank at the outer wall of the experiment box body, a submersible pump is connected to one side of the bottom of an inner cavity of the water tank, a vessel cleaning tank is arranged in the inner cavity of the cleaning box body, third support rods are transversely welded at the upper part and the lower part of one side of the inner wall of the cleaning box body, which are opposite to the third support rods, respectively, a fourth support rod is transversely welded at the upper part and the lower part of one side of the inner wall of the cleaning box body, which is close to the third support rod, respectively, the end part of one end of the third support rod is welded with the upper part and the lower part of one side of the outer wall of the vessel cleaning tank, which is close to, one end of the first water pipe extends to the bottom of an inner cavity of the water tank, the water outlet end of the submersible pump is communicated with a second water pipe, one end of the second water pipe penetrates through the lower part of the outer wall of the water tank, a three-way valve is mounted on the lower part of the outer wall on one side of the water tank, one end of the second water pipe is communicated with the water inlet end of the three-way valve, the three-way valve is respectively provided with two water outlet ends, the two water outlet ends of the three-way valve are respectively communicated with a third water pipe and a drain pipe, and one end of the third water pipe extends upwards to penetrate through the outer wall of the cleaning tank body and;
a plurality of high pressure nozzle, a plurality of high pressure nozzle are all installed on the inner wall front side, rear side, left side and the right side of household utensils washing tank, and are a plurality of high pressure nozzle equidistance sets up, a plurality of check valves are evenly installed at the inner chamber top of water tank, and the top of a plurality of check valves runs through respectively in the top of water tank and the bottom of wasing the box, the outlet is installed to the bottom of household utensils washing tank, the outlet is linked together with the inner chamber of household utensils washing tank.
By adopting the technical scheme, a user can open the box cover under the action of the hinge by lifting the lifting handle, place the chemical experimental ware in the ware cleaning tank, and cover the box cover after the chemical experimental ware is completely placed, so as to prevent water splash during cleaning; a single chip microcomputer is arranged through a computer, so that the single chip microcomputer controls the working time of the submersible pump to be 3-5 minutes, and the working intensity is in a normal mode; opening a water injection valve, adding water into the water tank through a water injection port, closing the water injection valve after the water injection is finished, opening a valve at the position where the three-way valve is communicated with the third water pipe, and closing the valve at the position where the three-way valve is communicated with the drain pipe; pressing a second switch to start the submersible pump under the control of the single chip microcomputer, pumping water in the water tank through a first water pipe after the submersible pump is started, conveying the water pumped by the first water pipe to a three-way valve through a second water pipe, conveying the water to a third water pipe through the three-way valve, communicating the third water pipe with the inner wall of the vessel cleaning tank, carrying out omnibearing cleaning on chemical vessels placed in the vessel cleaning tank through a high-pressure spray head by water flow, wherein the cleaning time is 3-5 minutes, the cleaned water flows into a cleaning tank body through a water outlet and is recycled into the water tank through a one-way valve to realize recycling, and water resources are saved; when a user wants to replace water in the water tank, the valve communicated with the third water pipe by the three-way valve is closed, the valve communicated with the drain pipe by the three-way valve is opened, the second switch is pressed, and under the working condition of the submersible pump, all water can be pumped out, so that the function of water replacement is realized;
when a user feels that the height of the experiment table board is too high, the first switch is pressed again to enable the servo motor to rotate reversely, the servo motor rotates reversely to drive the sliding plate to descend, and the sliding plate descends due to the descending of the sliding plate, when the sliding plate descends to the first limiting block, the first pressure sensor senses the pressure of the sliding plate and sends the pressure to the single chip microcomputer through an electric signal, the single chip microcomputer controls the servo motor to stop immediately through the circuit board, and under the action, the lifting of the height of the experiment table plate can be achieved; the user can place the experimental article in the storing district through opening the chamber door.
Preferably, the middle part of the inner cavity of the experiment box body is transversely welded with a fixed plate, the middle part of the top of the fixed plate is fixed with a servo motor, the output end of the servo motor is welded with a screw rod, one end part of the screw rod extends to the top of the inner cavity of the experiment box body and is rotatably connected with the top of the inner cavity of the experiment box body, the inner cavity of the experiment box body is positioned above the fixed plate and is transversely and slidably connected with a sliding plate, one end part of the screw rod penetrates through the diagonal intersection point of the sliding plate, the screw rod is in threaded connection with the sliding plate, the front side and the rear side of one side of the top of the sliding plate are both vertically welded with a first supporting rod, the front side and the rear side of one side of the top of the sliding plate, which are far away from the first supporting rod, are both penetrated through the top of the experiment, the top that the both sides of the inner wall of experiment box are located the fixed plate all welds and has welded first stopper, the top of the both sides of the inner wall of experiment box all welds and has had the second stopper.
Through adopting above-mentioned technical scheme, through pressing first switch, start servo motor under the effect of singlechip, drive sliding plate rebound when servo motor forward rotates, sliding plate rebound drives first branch and second branch rebound respectively, first branch and second branch promote experiment platen rebound, press first switch once more, make servo motor antiport, servo motor antiport drives the sliding plate and descends, first stopper and second stopper are used for spacing the sliding plate.
Preferably, first recess has all been seted up at the top of first stopper, all install first pressure sensor in the first recess, the second recess has all been seted up to the bottom of second stopper, all install second pressure sensor in the second recess, the top of fixed plate is close to one side of servo motor and installs the protection box, the circuit board is installed to the inner chamber bottom of protection box, the last surface mounting of circuit board has the singlechip.
By adopting the technical scheme, when the sliding plate moves upwards, two ends of the top touch the second limiting block, the second pressure sensor arranged in the second limiting block receives pressure and then sends the pressure to the single chip microcomputer through an electric signal, the single chip microcomputer controls the servo motor through the circuit board to stop the servo motor immediately, when the sliding plate descends to the first limiting block, the first pressure sensor senses the pressure of the sliding plate and then sends the pressure to the single chip microcomputer through the electric signal, the single chip microcomputer controls the servo motor to stop immediately through the circuit board, and under the action, the lifting of the height of the experiment table plate can be realized;
preferably, the experiment box is kept away from the upper portion of one side outer wall of second switch and is installed first switch, the output of first switch passes through the input electric connection of wire and singlechip, singlechip and circuit board electric connection, the output of circuit board passes through the input electric connection of wire and servo motor, the output of first pressure sensor and second pressure sensor passes through the input electric connection of wire and singlechip.
Through adopting above-mentioned technical scheme, can control servo motor's start through first switch, first pressure sensor and second pressure sensor can be with signal of telecommunication transmission to singlechip, through singlechip control servo motor's stopping.
Preferably, the output end of the second switch is electrically connected with the input end of the single chip microcomputer through a wire, and the output end of the single chip microcomputer is electrically connected with the input end of the submersible pump through a wire.
Through adopting above-mentioned technical scheme, press the second switch, make the immersible pump start under the control of singlechip, the immersible pump extracts the water in the water tank through first water pipe after starting, and the water of first water pipe extraction is passed through the second water pipe and is transported to the three-way valve, is transported to the third water pipe by the three-way valve again, and the third water pipe is linked together with the inner wall of household utensils washing tank, and rivers carry out all-round washing to the chemical household utensils of placing in the household utensils washing tank through high pressure nozzle.
Preferably, the outer walls of the front side, the rear side, the left side and the right side of the vessel cleaning tank are hollow.
By adopting the technical scheme, the high-pressure sprayer is convenient to communicate with the water inlet ends of the plurality of high-pressure sprayers, and the chemical utensils are cleaned.
Preferably, the top of the outer wall of the water tank close to one side of the second switch is communicated with a water injection port, and the outer wall of the water injection port is provided with a water injection valve.
By adopting the technical scheme, the water injection valve is opened, water is injected into the water tank through the water injection port, and the water injection valve is closed after the water injection is finished.
Preferably, the top lid of wasing the box closes and is connected with the case lid, the handle is installed at the top of case lid, the lateral wall that is close to the second switch of case lid and the front side and the rear side that wash the outer wall that the box is located the top of second switch all are fixed with the hinge.
Through adopting above-mentioned technical scheme, the lid closes the case lid for splash spatters all around when preventing to wash, and the user opens the case lid through carrying the handle under the effect of hinge, places chemical experiment household utensils in the household utensils washing tank.
Preferably, the inner chamber of experiment box is located the below of fixed plate and is equipped with storing district, the both sides of the outer wall front side lower part of experiment box all articulate there is the chamber door.
Through adopting above-mentioned technical scheme, the user can place experimental article in the storing district through opening the chamber door.
The invention also provides a use method of the test bed for the chemical experiment, which is convenient for cleaning the vessel, and comprises the following steps:
s1, a user opens the box cover under the action of the hinge by lifting the lifting handle, places the chemical experimental ware in the ware cleaning tank, and covers the box cover after the chemical experimental ware is completely placed, so that water splash is prevented during cleaning;
s2, setting a single chip microcomputer through a computer, and enabling the single chip microcomputer to control the working time of the submersible pump to be 3-5 minutes and the working intensity to be in a normal mode;
s3, opening a water injection valve, injecting water into the water tank through a water injection port, closing the water injection valve after the water injection is completed, opening a valve at the position where the three-way valve is communicated with the third water pipe, and closing the valve at the position where the three-way valve is communicated with the drain pipe;
s4, pressing a second switch, starting a submersible pump under the control of a single chip microcomputer, pumping water in a water tank through a first water pipe after the submersible pump is started, conveying the water pumped by the first water pipe to a three-way valve through a second water pipe, conveying the water to a third water pipe through the three-way valve, communicating the third water pipe with the inner wall of a utensil cleaning tank, carrying out all-dimensional cleaning on chemical utensils placed in the utensil cleaning tank through a high-pressure spray head by water flow, wherein the cleaning time is 3-5 minutes, the cleaned water flows into a cleaning tank body through a water outlet and is recycled into the water tank through a one-way valve, so that the water resource is saved;
s5, when a user wants to replace the water in the water tank, closing the valve of the three-way valve communicated with the third water pipe, opening the valve of the three-way valve communicated with the drain pipe, pressing the second switch, and pumping out all the water under the working of the submersible pump to realize the function of water replacement;
s6, when the user is uncomfortable due to different heights of the individuals, the servo motor is started under the action of the single chip microcomputer by pressing the first switch, the sliding plate is driven to move upwards when the servo motor rotates forwards, the sliding plate moves upwards to drive the first supporting rod and the second supporting rod to move upwards respectively, the first supporting rod and the second supporting rod push the experiment table plate to move upwards, when the sliding plate moves upwards, two ends of the top touch the second limiting block, a second pressure sensor arranged in the second limiting block is pressed and then sent to the single chip microcomputer through an electric signal, the single chip microcomputer controls the servo motor through the circuit board to stop the servo motor immediately, when the user feels that the height of the experiment table plate is too high, the first switch is pressed again to enable the servo motor to rotate reversely, the servo motor rotates reversely to drive the sliding plate to descend, and the descending of the sliding plate enables the experiment table plate to descend, when the sliding plate descends to the first limiting block, the first pressure sensor senses the pressure of the sliding plate and sends the pressure to the single chip microcomputer through an electric signal, the single chip microcomputer controls the servo motor to stop immediately through the circuit board, and under the action, the lifting of the height of the experiment table plate can be achieved;
and S7, the user can place the experimental article in the storage area by opening the door.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the chemical vessel can be cleaned in all directions through the plurality of high-pressure nozzles arranged in the vessel cleaning tank;
2. according to the invention, the cleaning time can be set at regular time through the single chip microcomputer;
3. according to the invention, water resources can be recycled during cleaning, so that waste of water resources is reduced;
4. the height lifting device can realize the height lifting of the experiment workbench and solve the problem that the heights of the experimenters are different.
Drawings
FIG. 1 is a schematic structural diagram of a chemical laboratory test stand for facilitating cleaning of vessels according to the present invention;
FIG. 2 is a schematic front view of a chemical laboratory test stand for conveniently cleaning dishware according to the present invention;
FIG. 3 is a schematic view of the structure of the cleaning tank and the water tank of the present invention;
FIG. 4 is a schematic structural diagram of an experimental box of the present invention;
FIG. 5 is a schematic diagram of a three-way valve according to the present invention;
FIG. 6 is a schematic structural view of the dish washing tub of the present invention;
FIG. 7 is a schematic top view of the warewash tank of the present invention;
FIG. 8 is a schematic view of the internal structure of the protective case of the present invention;
FIG. 9 is a schematic structural diagram of a first stopper according to the present invention;
FIG. 10 is a schematic structural diagram of a second stopper according to the present invention;
FIG. 11 is a flow chart of a method of using the test stand for chemical experiments to facilitate cleaning of dishes in accordance with the present invention.
In the figure: 1. an experiment box body; 2. an experiment table plate; 3. a box door; 4. a first switch; 5. a second switch; 6. cleaning the box body; 7. a water tank; 8. a box cover; 9. a handle; 10. a fixing plate; 11. a reservoir region; 12. a servo motor; 13. a screw rod; 14. a sliding plate; 15. a first support bar; 16. a second support bar; 17. a first stopper; 18. a second limiting block; 19. a protective case; 20. a circuit board; 21. a single chip microcomputer; 23. a first groove; 24. a first pressure sensor; 25. a second groove; 26. a second pressure sensor; 27. a submersible pump; 28. a first water pipe; 29. a second water pipe; 30. a three-way valve; 31. a third water pipe; 32. a drain pipe; 33. a water injection port; 34. a water injection valve; 35. a vessel cleaning tank; 36. a third support bar; 37. a fourth strut; 38. a one-way valve; 39. a high pressure spray head; 40. a water outlet; 41. and (7) a hinge.
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.
Example 1
Referring to fig. 1 to 11, the present invention provides a technical solution:
a laboratory test bench for chemistry experiments convenient to washware includes: an experiment box body 1, an experiment table plate 2 is arranged above the experiment box body 1, a water tank 7 is welded at the lower part of one side of the outer wall of the experiment box body 1, a cleaning box body 6 is welded at the top of the water tank 7 at the outer wall of the experiment box body 1, a submersible pump 27 is connected with one side of the bottom of the inner cavity of the water tank 7 through screws, a vessel cleaning tank 35 is arranged in the inner cavity of the cleaning box body 6, third support rods 36 are transversely welded at the upper part and the lower part of one side of the inner wall of the cleaning box body 6, which is opposite to the third support rods 36, fourth support rods 37 are transversely welded at the upper part and the lower part of one side of the inner wall of the cleaning box body 6, which is close to the third support rods 36, the end part of one end of each third support rod 36 is welded with the upper part and the lower part of one side of the outer wall of the, one end of the first water pipe 28 extends to the bottom of the inner cavity of the water tank 7, the water outlet end of the submersible pump 27 is communicated with a second water pipe 29, one end of the second water pipe 29 penetrates through the lower part of the outer wall of the water tank 7, a three-way valve 30 is installed on the lower part of the outer wall of one side of the water tank 7, one end of the second water pipe 29 is communicated with the water inlet end of the three-way valve 30, the three-way valve 30 is respectively provided with two water outlet ends, the two water outlet ends of the three-way valve 30 are respectively communicated with a third water pipe 31 and a drain pipe 32, and one end of the third water pipe 31 extends upwards to penetrate through the outer wall of;
a plurality of high-pressure spray heads 39 are installed on the front side, the rear side, the left side and the right side of the inner wall of the vessel cleaning tank 35, the high-pressure spray heads 39 are arranged at equal intervals, a plurality of check valves 38 are evenly installed at the top of the inner cavity of the water tank 7, the tops of the check valves 38 penetrate through the top of the water tank 7 and the bottom of the cleaning tank body 6 respectively, a water outlet 40 is installed at the bottom of the vessel cleaning tank 35, and the water outlet 40 is communicated with the inner cavity of the vessel.
By adopting the technical scheme, a user opens the box cover 8 under the action of the hinge 41 by lifting the lifting handle 9, places a chemical experimental utensil in the utensil cleaning tank 35, and covers the box cover 8 after all the chemical experimental utensils are placed, so that splash is prevented during cleaning; the singlechip 21 is arranged through a computer, so that the singlechip 21 controls the working time of the submersible pump 27 to be 3-5 minutes, and the working intensity is in a normal mode; opening a water injection valve 34, filling water into the water tank 7 through a water injection port 33, closing the water injection valve 34 after filling, opening a valve at the position where the three-way valve 30 is communicated with the third water pipe 31, and closing the valve at the position where the three-way valve 30 is communicated with the water discharge pipe 32; the second switch 5 is pressed, the submersible pump 27 is started under the control of the single chip microcomputer 21, water in the water tank 7 is pumped by the submersible pump 27 through the first water pipe 28 after the submersible pump 27 is started, the water pumped by the first water pipe 28 is conveyed to the three-way valve 30 through the second water pipe 29 and then conveyed to the third water pipe 31 through the three-way valve 30, the third water pipe 31 is communicated with the inner wall of the vessel cleaning tank 35, water flow is used for comprehensively cleaning chemical vessels placed in the vessel cleaning tank 35 through the high-pressure spray head 39, the cleaning time is 3-5 minutes, the cleaned water flows into the cleaning tank body 6 through the water outlet 40 and is circulated into the water tank 7 again through the one-way valve 38, so that the water resource is recycled, and the water resource; when a user wants to replace the water in the water tank 7, the valve of the three-way valve 30 communicated with the third water pipe 31 is closed, the valve of the three-way valve 30 communicated with the water discharge pipe 32 is opened, the second switch 5 is pressed, and the water can be completely pumped out under the work of the submersible pump 27, so that the function of water replacement is realized;
when a user feels that the experiment is uncomfortable due to different heights of the individuals, the servo motor 12 is started under the action of the single chip microcomputer 21 by pressing the first switch 4, the sliding plate 14 is driven to move upwards when the servo motor 12 rotates forwards, the sliding plate 14 moves upwards to drive the first supporting rod 15 and the second supporting rod 16 to move upwards respectively, the first supporting rod 15 and the second supporting rod 16 push the experiment table plate 2 to move upwards, when the sliding plate 14 moves upwards, two ends of the top touch the second limiting block 18, a second pressure sensor 26 arranged in the second limiting block 18 bears pressure and then sends the pressure to the single chip microcomputer 21 through electric signals, the single chip microcomputer 21 controls the servo motor 12 through the circuit board 20 to stop the servo motor 12 immediately, when the user feels that the height of the experiment table plate 2 is too high, the first switch 4 is pressed again to enable the servo motor 12 to rotate reversely, and the servo motor 12 rotates reversely to drive the sliding plate 14 to descend, the experiment table plate 2 descends due to the descending of the sliding plate 14, when the sliding plate 14 descends to the first limiting block 17, the first pressure sensor 24 senses the pressure of the sliding plate 14 and sends the pressure to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 to stop immediately through the circuit board 20, and the ascending and descending of the height of the experiment table plate 2 can be realized under the action; the user can place the test object in the storage area 11 by opening the door 3.
As shown in fig. 1, a fixed plate 10 is transversely welded in the middle of an inner cavity of an experiment box 1, a servo motor 12 is fixed in the middle of the top of the fixed plate 10, a lead screw 13 is welded at an output end of the servo motor 12, one end of the lead screw 13 extends to the top of the inner cavity of the experiment box 1 and is rotatably connected with the top of the inner cavity of the experiment box 1, a sliding plate 14 is transversely slidably connected to the inner cavity of the experiment box 1 above the fixed plate 10, one end of the lead screw 13 penetrates through a diagonal intersection of the sliding plate 14, the lead screw 13 is in threaded connection with the sliding plate 14, a first support rod 15 is vertically welded on the front side and the rear side of one side of the top of the sliding plate 14, a second support rod 16 is vertically welded on the front side and the rear side of one side of the top of the sliding plate 14, which are far away from the first support rod 15, one end of each of, the both sides of the inner wall of experiment box 1 are located the top of fixed plate 10 and all have welded first stopper 17, and the top of the both sides of the inner wall of experiment box 1 all has welded second stopper 18.
Through pressing first switch 4, start servo motor 12 under the effect of singlechip 21, drive sliding plate 14 rebound during servo motor 12 forward rotation, sliding plate 14 rebound drives first branch 15 and second branch 16 rebound respectively, first branch 15 and second branch 16 promote experiment platen 2 rebound, press first switch 4 once more, make servo motor 12 antiport, servo motor 12 antiport drives sliding plate 14 and descends, first stopper 17 and second stopper 18 are used for spacing sliding plate 14.
As shown in fig. 9 and 10, a first groove 23 has been all seted up at the top of first stopper 17, all install first pressure sensor 24 in first groove 23, a second groove 25 has all been seted up to the bottom of second stopper 18, all install second pressure sensor 26 in the second groove 25, protection box 19 is installed to one side that servo motor 12 is close to at the top of fixed plate 10, circuit board 20 is installed to the inner chamber bottom of protection box 19, the last surface mounting of circuit board 20 has singlechip 21.
When the sliding plate 14 moves upwards, two ends of the top touch the second limiting block 18, the second pressure sensor 26 installed in the second limiting block 18 receives pressure and sends the pressure to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 through the circuit board 20 to enable the servo motor 12 to stop immediately, when the sliding plate 14 descends to the first limiting block 17, the first pressure sensor 24 senses the pressure of the sliding plate 14 and sends the pressure to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 to stop immediately through the circuit board 20, and under the action, the lifting of the height of the experiment table plate 2 can be achieved;
as shown in fig. 2, the first switch 4 is installed on the upper portion of the outer wall of one side of the experiment box 1, which is far away from the second switch 5, the output end of the first switch 4 is electrically connected with the input end of the single chip microcomputer 21 through a wire, the single chip microcomputer 21 is electrically connected with the circuit board 20, the output end of the circuit board 20 is electrically connected with the input end of the servo motor 12 through a wire, and the output ends of the first pressure sensor 24 and the second pressure sensor 26 are electrically connected with the input end of the single chip microcomputer 21 through wires.
The start of the servo motor 12 can be controlled by the first switch 4, the first pressure sensor 24 and the second pressure sensor 26 can transmit electric signals to the single chip microcomputer 21, and the stop of the servo motor 12 is controlled by the single chip microcomputer 21.
As shown in fig. 2 and 8, the output end of the second switch 5 is electrically connected to the input end of the single chip 21 through a wire, and the output end of the single chip 21 is electrically connected to the input end of the submersible pump 27 through a wire.
The second switch 5 is pressed down, the submersible pump 27 is started under the control of the single chip microcomputer 21, water in the water tank 7 is pumped through the first water pipe 28 after the submersible pump 27 is started, the water pumped through the first water pipe 28 is conveyed to the three-way valve 30 through the second water pipe 29, then is conveyed to the third water pipe 31 through the three-way valve 30, the third water pipe 31 is communicated with the inner wall of the vessel cleaning tank 35, and water flow is used for carrying out all-dimensional cleaning on chemical vessels placed in the vessel cleaning tank 35 through the high-pressure spray nozzle 39.
As shown in fig. 6 and 7, the outer walls of the front, rear, left and right sides of the dish wash tub 35 are hollow.
Is convenient to be communicated with the water inlet ends of the plurality of high-pressure spray heads 39, and realizes the cleaning of chemical utensils.
As shown in fig. 3, a water filling port 33 is communicated with the top of the outer wall of the water tank 7 on the side close to the second switch 5, and a water filling valve 34 is arranged on the outer wall of the water filling port 33.
The water injection valve 34 is opened, water is injected into the water tank 7 through the water injection port 33, and the water injection valve 34 is closed after the water injection is completed.
As shown in fig. 3, a box cover 8 is covered and connected to the top of the cleaning box body 6, a handle 9 is installed on the top of the box cover 8, and hinges 41 are fixed to the front side and the rear side of the side wall of the box cover 8 close to the second switch 5 and the outer wall of the cleaning box body 6 above the second switch 5.
Lid 8 closes for splash spatters all around when preventing to wash, and the user opens lid 8 through carrying and drawing handle 9 under the effect of hinge 41, places chemical experiment household utensils in household utensils washing tank 35.
As shown in fig. 1 and 2, the inner cavity of the experimental box body 1 is located below the fixing plate 10, and a storage area 11 is arranged below the fixing plate, and two sides of the lower portion of the front side of the outer wall of the experimental box body 1 are hinged with the box door 3.
The user can place the test object in the storage area 11 by opening the door 3.
The invention also provides a use method of the test bed for the chemical experiment, which is convenient for cleaning the vessel, and comprises the following steps:
s1, a user pulls the lifting handle 9 to open the box cover 8 under the action of the hinge 41, places the chemical experimental ware in the utensil cleaning tank 35, and covers the box cover 8 after all the chemical experimental ware is placed, so that splash during cleaning can be prevented;
s2, setting the singlechip 21 through the computer, and enabling the singlechip 21 to control the working time of the submersible pump 27 to be 3 minutes and the working intensity to be a normal mode;
s3, opening a water injection valve 34, injecting water into the water tank 7 through a water injection port 33, closing the water injection valve 34 after the water injection is finished, opening a valve at the position where the three-way valve 30 is communicated with the third water pipe 31, and closing the valve at the position where the three-way valve 30 is communicated with the water discharge pipe 32;
s4, pressing the second switch 5, starting the submersible pump 27 under the control of the single chip microcomputer 21, after the submersible pump 27 is started, pumping water in the water tank 7 through the first water pipe 28, delivering the water pumped by the first water pipe 28 to the three-way valve 30 through the second water pipe 29, and then delivering the water to the third water pipe 31 through the three-way valve 30, wherein the third water pipe 31 is communicated with the inner wall of the vessel cleaning tank 35, the water flow comprehensively cleans chemical vessels placed in the vessel cleaning tank 35 through the high-pressure spray head 39, the cleaning time is 3 minutes, the cleaned water flows into the cleaning tank body 6 through the water outlet 40, and is circulated into the water tank 7 again through the one-way valve 38, so that the water resource is recycled, and the water resource is saved;
s5, when a user wants to replace the water in the water tank 7, the valve of the three-way valve 30 communicated with the third water pipe 31 is closed, the valve of the three-way valve 30 communicated with the water discharge pipe 32 is opened, the second switch 5 is pressed, and the water can be completely pumped out under the work of the submersible pump 27, so that the function of water replacement is realized;
s6, when the user is uncomfortable in the experiment due to different heights of the individual, the servo motor 12 is started under the action of the single chip microcomputer 21 by pressing the first switch 4, the sliding plate 14 is driven to move upwards when the servo motor 12 rotates forwards, the sliding plate 14 moves upwards to drive the first supporting rod 15 and the second supporting rod 16 to move upwards respectively, the first supporting rod 15 and the second supporting rod 16 push the experiment table plate 2 to move upwards, when the sliding plate 14 moves upwards, two ends of the top touch the second limiting block 18, after the second pressure sensor 26 arranged in the second limiting block 18 receives pressure, the second supporting rod is sent to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 through the circuit board 20, the servo motor 12 stops immediately, when the user feels that the height of the experiment table plate 2 is too high, the first switch 4 is pressed again to enable the servo motor 12 to rotate reversely, and the servo motor 12 rotates reversely to drive the sliding plate 14 to descend, the experiment table plate 2 descends due to the descending of the sliding plate 14, when the sliding plate 14 descends to the first limiting block 17, the first pressure sensor 24 senses the pressure of the sliding plate 14 and sends the pressure to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 to stop immediately through the circuit board 20, and the ascending and descending of the height of the experiment table plate 2 can be realized under the action;
s7, the user can place the experimental article in the storage area 11 by opening the door 3.
Example 2
S1, a user pulls the lifting handle 9 to open the box cover 8 under the action of the hinge 41, places the chemical experimental ware in the utensil cleaning tank 35, and covers the box cover 8 after all the chemical experimental ware is placed, so that splash during cleaning can be prevented;
s2, setting the singlechip 21 through the computer, and enabling the singlechip 21 to control the working time of the submersible pump 27 to be 5 minutes and the working intensity to be a normal mode;
s3, opening a water injection valve 34, injecting water into the water tank 7 through a water injection port 33, closing the water injection valve 34 after the water injection is finished, opening a valve at the position where the three-way valve 30 is communicated with the third water pipe 31, and closing the valve at the position where the three-way valve 30 is communicated with the water discharge pipe 32;
s4, pressing the second switch 5, starting the submersible pump 27 under the control of the single chip microcomputer 21, after the submersible pump 27 is started, pumping water in the water tank 7 through the first water pipe 28, delivering the water pumped by the first water pipe 28 to the three-way valve 30 through the second water pipe 29, and then delivering the water to the third water pipe 31 through the three-way valve 30, wherein the third water pipe 31 is communicated with the inner wall of the vessel cleaning tank 35, the water flow comprehensively cleans chemical vessels placed in the vessel cleaning tank 35 through the high-pressure spray head 39, the cleaning time is 5 minutes, the cleaned water flows into the cleaning tank body 6 through the water outlet 40, and is circulated into the water tank 7 again through the one-way valve 38, so that the water resource is recycled, and the water resource is saved;
s5, when a user wants to replace the water in the water tank 7, the valve of the three-way valve 30 communicated with the third water pipe 31 is closed, the valve of the three-way valve 30 communicated with the water discharge pipe 32 is opened, the second switch 5 is pressed, and the water can be completely pumped out under the work of the submersible pump 27, so that the function of water replacement is realized;
s6, when the user is uncomfortable in the experiment due to different heights of the individual, the servo motor 12 is started under the action of the single chip microcomputer 21 by pressing the first switch 4, the sliding plate 14 is driven to move upwards when the servo motor 12 rotates forwards, the sliding plate 14 moves upwards to drive the first supporting rod 15 and the second supporting rod 16 to move upwards respectively, the first supporting rod 15 and the second supporting rod 16 push the experiment table plate 2 to move upwards, when the sliding plate 14 moves upwards, two ends of the top touch the second limiting block 18, after the second pressure sensor 26 arranged in the second limiting block 18 receives pressure, the second supporting rod is sent to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 through the circuit board 20, the servo motor 12 stops immediately, when the user feels that the height of the experiment table plate 2 is too high, the first switch 4 is pressed again to enable the servo motor 12 to rotate reversely, and the servo motor 12 rotates reversely to drive the sliding plate 14 to descend, the experiment table plate 2 descends due to the descending of the sliding plate 14, when the sliding plate 14 descends to the first limiting block 17, the first pressure sensor 24 senses the pressure of the sliding plate 14 and sends the pressure to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 to stop immediately through the circuit board 20, and the ascending and descending of the height of the experiment table plate 2 can be realized under the action;
s7, the user can place the experimental article in the storage area 11 by opening the door 3.
Example 3
S1, a user pulls the lifting handle 9 to open the box cover 8 under the action of the hinge 41, places the chemical experimental ware in the utensil cleaning tank 35, and covers the box cover 8 after all the chemical experimental ware is placed, so that splash during cleaning can be prevented;
s2, setting the singlechip 21 through the computer, and enabling the singlechip 21 to control the working time of the submersible pump 27 to be 4 minutes and the working intensity to be a normal mode;
s3, opening a water injection valve 34, injecting water into the water tank 7 through a water injection port 33, closing the water injection valve 34 after the water injection is finished, opening a valve at the position where the three-way valve 30 is communicated with the third water pipe 31, and closing the valve at the position where the three-way valve 30 is communicated with the water discharge pipe 32;
s4, pressing the second switch 5, starting the submersible pump 27 under the control of the single chip microcomputer 21, after the submersible pump 27 is started, pumping water in the water tank 7 through the first water pipe 28, delivering the water pumped by the first water pipe 28 to the three-way valve 30 through the second water pipe 29, and then delivering the water to the third water pipe 31 through the three-way valve 30, wherein the third water pipe 31 is communicated with the inner wall of the vessel cleaning tank 35, the water flow comprehensively cleans chemical vessels placed in the vessel cleaning tank 35 through the high-pressure spray head 39, the cleaning time is 4 minutes, the cleaned water flows into the cleaning tank body 6 through the water outlet 40, and is circulated into the water tank 7 again through the one-way valve 38, so that the water resource is recycled, and the water resource is saved;
s5, when a user wants to replace the water in the water tank 7, the valve of the three-way valve 30 communicated with the third water pipe 31 is closed, the valve of the three-way valve 30 communicated with the water discharge pipe 32 is opened, the second switch 5 is pressed, and the water can be completely pumped out under the work of the submersible pump 27, so that the function of water replacement is realized;
s6, when the user is uncomfortable in the experiment due to different heights of the individual, the servo motor 12 is started under the action of the single chip microcomputer 21 by pressing the first switch 4, the sliding plate 14 is driven to move upwards when the servo motor 12 rotates forwards, the sliding plate 14 moves upwards to drive the first supporting rod 15 and the second supporting rod 16 to move upwards respectively, the first supporting rod 15 and the second supporting rod 16 push the experiment table plate 2 to move upwards, when the sliding plate 14 moves upwards, two ends of the top touch the second limiting block 18, after the second pressure sensor 26 arranged in the second limiting block 18 receives pressure, the second supporting rod is sent to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 through the circuit board 20, the servo motor 12 stops immediately, when the user feels that the height of the experiment table plate 2 is too high, the first switch 4 is pressed again to enable the servo motor 12 to rotate reversely, and the servo motor 12 rotates reversely to drive the sliding plate 14 to descend, the experiment table plate 2 descends due to the descending of the sliding plate 14, when the sliding plate 14 descends to the first limiting block 17, the first pressure sensor 24 senses the pressure of the sliding plate 14 and sends the pressure to the single chip microcomputer 21 through an electric signal, the single chip microcomputer 21 controls the servo motor 12 to stop immediately through the circuit board 20, and the ascending and descending of the height of the experiment table plate 2 can be realized under the action;
s7, the user can place the experimental article in the storage area 11 by opening the door 3.
In summary, in the invention, the chemical vessel can be cleaned in all directions by the high-pressure nozzles 39 arranged in the vessel cleaning tank 35;
according to the invention, the cleaning time can be set at regular time through the singlechip 21; the water resource can be recycled during cleaning, so that the waste of the water resource is reduced; the height of the experiment workbench can be increased and decreased, and the problem that the heights of the experimenters are different is solved.
The type of the servo motor 12 is: EPS-B1, the model of singlechip 21 is: LQFP48, the first pressure sensor 24 model number: FBC02A, the model number of the second pressure sensor 26 is: FBC02A, the model number of submersible pump 27 is: QDN3-5-0.12KW, the model of the one-way valve 38 is: CV-80.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a laboratory bench for chemistry experiments convenient to washware which characterized in that includes:
an experiment box body (1), an experiment table plate (2) is arranged above the experiment box body (1), a water tank (7) is welded on the lower portion of one side of the outer wall of the experiment box body (1), a cleaning box body (6) is welded on the top of the water tank (7) on the outer wall of the experiment box body (1), a submersible pump (27) is connected to one side of the bottom of the inner cavity of the water tank (7) through screws, a vessel cleaning tank (35) is arranged in the inner cavity of the cleaning box body (6), third support rods (36) are transversely welded on the upper portion and the lower portion of one side of the inner wall of the cleaning box body (6), fourth support rods (37) are transversely welded on the upper portion and the lower portion of one side of the inner wall of the cleaning box body (36), one end portion of each third support rod (36) is welded with the upper portion and the lower portion of one side of the, the one end tip of fourth branch (37) all welds with upper portion and the lower part that household utensils washing tank (35) is close to the one side outer wall of fourth branch (37) mutually, the end intercommunication of intaking of immersible pump (27) has first water pipe (28), the one end tip of first water pipe (28) extends to the inner chamber bottom of water tank (7), the play water end intercommunication of immersible pump (27) has second water pipe (29), the one end of second water pipe (29) is run through in the outer wall lower part of water tank (7), three-way valve (30) are installed to one side outer wall lower part of water tank (7), the one end tip of second water pipe (29) is linked together with the end of intaking of three-way valve (30), three-way valve (30) are equipped with two water outlet ends respectively, just two play water outlet ends of three-way valve (30) communicate respectively has third water pipe (31) and drain pipe (32), the one end tip of third water pipe (31) upwards extends to run through in the outer wall of wasing box (6) and household utensils The outer wall of the cleaning tank (35) is communicated;
wherein, a plurality of high pressure nozzle (39) are all installed on inner wall front side, rear side, left side and right side of household utensils washing tank (35), and are a plurality of high pressure nozzle (39) equidistance sets up, a plurality of check valves (38) are evenly installed at the inner chamber top of water tank (7), and the top of a plurality of check valves (38) runs through respectively in the top of water tank (7) and the bottom of wasing box (6), outlet (40) are installed to the bottom of household utensils washing tank (35), outlet (40) are linked together with the inner chamber of household utensils washing tank (35).
2. The chemical experiment test bed convenient for cleaning utensils according to claim 1, wherein: the middle part of an inner cavity of the experiment box body (1) is transversely welded with a fixed plate (10), the middle part of the top of the fixed plate (10) is fixed with a servo motor (12), the output end of the servo motor (12) is welded with a lead screw (13), one end of the lead screw (13) extends to the top of the inner cavity of the experiment box body (1) and is rotatably connected with the top of the inner cavity of the experiment box body (1), the inner cavity of the experiment box body (1) is positioned above the fixed plate (10) and is transversely and slidably connected with a sliding plate (14), one end of the lead screw (13) penetrates through the diagonal intersection point of the sliding plate (14), the lead screw (13) is in threaded connection with the sliding plate (14), the front side and the rear side of one side of the top of the sliding plate (14) are both vertically welded with first supporting rods (15), and the front side and the rear side of one side of the top of the sliding plate (14, the utility model discloses a laboratory bench board, including experiment platen (2), the top of experiment box (1) is all run through in the top of experiment box (15) and the one end tip of second branch (16) and welds mutually with the bottom both sides of experiment platen (2) respectively, the both sides of the inner wall of experiment box (1) are located the top of fixed plate (10) and all weld and have first stopper (17), second stopper (18) have all been welded at the top of the both sides of the inner wall of experiment box (1).
3. The chemical experiment test bed convenient for cleaning utensils according to claim 2, wherein: first recess (23) have all been seted up at the top of first stopper (17), all install first pressure sensor (24) in first recess (23), second recess (25) have all been seted up to the bottom of second stopper (18), all install second pressure sensor (26) in second recess (25), protection box (19) are installed to one side that the top of fixed plate (10) is close to servo motor (12), circuit board (20) are installed to the inner chamber bottom of protection box (19), the last surface mounting of circuit board (20) has singlechip (21).
4. The chemical experiment test bed convenient for cleaning utensils according to claim 2, wherein: experiment box (1) is kept away from the upper portion of one side outer wall of second switch (5) and is installed first switch (4), the input electric connection of wire and singlechip (21) is passed through to the output of first switch (4), singlechip (21) and circuit board (20) electric connection, the input electric connection of wire and servo motor (12) is passed through to the output of circuit board (20), the input electric connection of wire and singlechip (21) is passed through to the output of first pressure sensor (24) and second pressure sensor (26).
5. The chemical experiment test bed convenient for cleaning utensils according to claim 4, wherein: the output end of the second switch (5) is electrically connected with the input end of the single chip microcomputer (21) through a lead, and the output end of the single chip microcomputer (21) is electrically connected with the input end of the submersible pump (27) through a lead.
6. The chemical experiment test bed convenient for cleaning utensils according to claim 3, wherein: the outer walls of the front side, the rear side, the left side and the right side of the vessel cleaning tank (35) are all hollow.
7. The chemical experiment test bed convenient for cleaning utensils according to claim 1, wherein: the top intercommunication of the outer wall of water tank (7) near one side of second switch (5) has water filling port (33), the outer wall of water filling port (33) is equipped with water injection valve (34).
8. The chemical experiment test bed convenient for cleaning utensils according to claim 1, wherein: the top lid of wasing box (6) closes and is connected with case lid (8), handle (9) are installed at the top of case lid (8), the lateral wall that is close to second switch (5) of case lid (8) and the front side and the rear side of wasing the outer wall that box (6) are located the top of second switch (5) all are fixed with hinge (41).
9. The chemical experiment test bed convenient for cleaning utensils according to claim 4, wherein: the lower part that the inner chamber of experiment box (1) is located fixed plate (10) is equipped with storing district (11), the both sides of the outer wall front side lower part of experiment box (1) all articulate there is chamber door (3).
10. A use method of a chemical experiment test bed convenient for cleaning utensils is characterized in that: the method comprises the following steps:
s1, a user pulls the lifting handle (9) to open the box cover (8) under the action of the hinge (41), places the chemical laboratory ware in the utensil cleaning tank (35), and covers the box cover (8) after all the chemical laboratory ware is placed, so that water splash is prevented during cleaning;
s2, setting the single chip microcomputer (21) through the computer, and enabling the single chip microcomputer (21) to control the working time of the submersible pump (27) to be 3-5 minutes and the working intensity to be in a normal mode;
s3, opening a water injection valve (34), injecting water into the water tank (7) through a water injection port (33), closing the water injection valve (34) after the water injection is finished, opening a valve at the position where a three-way valve (30) is communicated with a third water pipe (31), and closing the valve at which the three-way valve (30) is communicated with a water discharge pipe (32);
s4, a second switch (5) is pressed, a submersible pump (27) is started under the control of a single chip microcomputer (21), water in a water tank (7) is pumped through a first water pipe (28) after the submersible pump (27) is started, the water pumped through the first water pipe (28) is conveyed to a three-way valve (30) through a second water pipe (29), then is conveyed to a third water pipe (31) through the three-way valve (30), the third water pipe (31) is communicated with the inner wall of a utensil cleaning tank (35), water flow comprehensively cleans chemical utensils placed in the utensil cleaning tank (35) through a high-pressure spray head (39), the cleaning time is 3-5 minutes, the cleaned water flows into a cleaning tank body (6) through a water outlet (40), and circulates into the water tank (7) again through a one-way valve (38), so that the water resource is recycled, and the water resource is saved;
s5, when a user wants to replace water in the water tank (7), the valve of the three-way valve (30) communicated with the third water pipe (31) is closed, the valve of the three-way valve (30) communicated with the drain pipe (32) is opened, the second switch (5) is pressed, and under the work of the submersible pump (27), all water can be pumped out, so that the function of water replacement is realized;
s6, when the user is uncomfortable in experiment due to different heights of the individual, the servo motor (12) is started under the action of the single chip microcomputer (21) by pressing the first switch (4), the sliding plate (14) is driven to move upwards when the servo motor (12) rotates forwards, the sliding plate (14) moves upwards to drive the first supporting rod (15) and the second supporting rod (16) to move upwards respectively, the experiment table plate (2) is pushed to move upwards by the first supporting rod (15) and the second supporting rod (16), when the sliding plate (14) moves upwards, two ends of the top touch the second limiting block (18), the second pressure sensor (26) installed in the second limiting block (18) is pressed and then sent to the single chip microcomputer (21) through an electric signal, the single chip microcomputer (21) controls the servo motor (12) through the circuit board (20) to stop the servo motor (12) instantly, when the user feels that the height of the experiment table plate (2) is too high, the first switch (4) is pressed again to enable the servo motor (12) to rotate reversely, the servo motor (12) rotates reversely to drive the sliding plate (14) to descend, the sliding plate (14) descends to enable the experiment table board (2) to descend, when the sliding plate (14) descends to the first limiting block (17), the first pressure sensor (24) senses the pressure of the sliding plate (14) and then sends the pressure to the single chip microcomputer (21) through an electric signal, the single chip microcomputer (21) controls the servo motor (12) to stop immediately through the circuit board (20), and under the action, the lifting of the height of the experiment table board (2) can be achieved;
s7, the user can place the experimental article in the storage area (11) by opening the door (3).
CN202011325584.1A 2020-11-23 2020-11-23 Chemical experiment test bed convenient for cleaning utensils and use method thereof Withdrawn CN112547158A (en)

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Application publication date: 20210326