CN209843028U - Water electrolysis experiment demonstration device for chemical education - Google Patents
Water electrolysis experiment demonstration device for chemical education Download PDFInfo
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- CN209843028U CN209843028U CN201920344716.1U CN201920344716U CN209843028U CN 209843028 U CN209843028 U CN 209843028U CN 201920344716 U CN201920344716 U CN 201920344716U CN 209843028 U CN209843028 U CN 209843028U
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- water electrolysis
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Abstract
The utility model discloses a chemistry education water electrolysis experiment presentation device, comprising a base plate, the top outer wall intermediate position of bottom plate has the battery through the bolt fastening, the top outer wall welding of bottom plate has four stands, and the top of four stands bonds and has the glass container on same nothing top, one side outer wall of glass container has two location strips near the intermediate position welding, the outer wall joint of glass container has the buckle of U-shaped, and the buckle is located between two location strips, one side outer wall welding of buckle has the vertical installation pole of placing, and the outer wall welding that the installation pole is close to the bottom has the horizontal pole, the pipe clamp has all been welded at the both ends of horizontal pole, two all be equipped with electrolytic device in the pipe clamp. The utility model relates to a presentation device that is used for water electrolysis experiment among the chemical education teaching process, the device be convenient for the professor personnel change the electrode bar, and device convenient operation, the audio-visual experimental result of verification of the student of being convenient for has improved the convenience that the device used.
Description
Technical Field
The utility model relates to an experiment presentation device technical field especially relates to a chemistry education water electrolysis experiment presentation device.
Background
The experiment of electrolysis water is the experiment of the constitution of a test water, also is the unchangeable experiment of element kind around a verification chemical reaction, at the education and teaching in-process of reality, in order to let the student more audio-visual experience and understand, the teaching staff is in class, can take the classmates to do the experiment of water electrolysis together, and this needs just use water electrolysis experiment presentation device.
Through retrieval, a Chinese patent No. CN 108166015A discloses a water electrolysis device for high school chemical experiments, which comprises an electrolytic cell, a battery, two groups of leads, a positive electrode and a negative electrode, wherein a switch is arranged on the front side wall of the battery; be provided with respectively on left side wall and the right side wall in the electrolytic bath two sets of racks of going up and two sets of racks of putting down to be provided with left receiving flask and right receiving flask in the electrolytic bath, exist following not enough in the above-mentioned patent: 1. the gas collecting bottle needs to be taken out by hand and then verified, and in the taking-out process, because the outlet end of the gas collecting bottle is opened, the gas in the gas collecting bottle can escape and is mixed with the outside air, and the collected gas is not convenient for direct verification of staff members; 2. the experiment is not intuitive, students cannot know the volume ratio of hydrogen to oxygen in the reaction process, and the relevant result of water electrolysis cannot be verified well.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a water electrolysis experiment demonstration device for chemical education.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water electrolysis experiment demonstration device for chemical education comprises a base plate, wherein a storage battery is fixed at the middle position of the outer wall of the top of the base plate through bolts, four stand columns are welded on the outer wall of the top of the base plate, a same non-top glass container is bonded at the top ends of the four stand columns, two positioning strips are welded on the outer wall of one side of the glass container close to the middle position, U-shaped buckles are clamped on the outer wall of the glass container and positioned between the two positioning strips, a vertically-placed mounting rod is welded on the outer wall of one side of each buckle, a cross rod is welded on the outer wall of the mounting rod close to the bottom end of the mounting rod, pipe clamps are welded at the two ends of the cross rod, electrolysis devices are arranged in the two pipe clamps and have the same structure, each electrolysis device comprises a vertical pipe and a gas collection bottle placed in an inverted mode, the gas collection bottle, and the stand pipe is bonded on the inner wall of the round hole.
As a further aspect of the present invention: the inner wall of the middle position of the vertical pipe is bonded with a conducting strip, and the center position of the outer wall of the bottom of the conducting strip is welded with a conducting column.
As a further aspect of the present invention: the bottom end of the conductive column is in threaded connection with a conductive cap, and a first conducting wire is welded on the outer wall of the bottom of the conductive cap.
As a further aspect of the present invention: the bottom of the first wire is welded with a switch, a power line is welded at a wire outlet end of the switch, a conducting ring is welded at the bottom end of the power line, and the conducting ring is in threaded connection with a wiring terminal of the storage battery.
As a further aspect of the present invention: the vertical pipe is internally inserted with an electrode rod, the bottom end of the electrode rod is attached to the top surface of the conducting strip, the gas collecting bottle is of a cylindrical structure, a through hole is formed in the position, close to the bottom end, of the outer wall of one side of the gas collecting bottle, a water outlet pipe is bonded to the inner wall of the through hole, a rubber hose is sleeved at one end, away from the gas collecting bottle, of the water outlet pipe, and a water discharge pipe is inserted at one end, away.
As a further aspect of the present invention: the floating plate is arranged in the gas collection bottle, the outer wall of the floating plate is provided with a circular water through hole, and the outer wall of one side of the gas collection bottle is provided with scale grooves distributed at equal intervals.
As a further aspect of the present invention: the gas collecting bottle is characterized in that a fixing hole is formed in the outer wall of the top end of the gas collecting bottle, a connecting pipe is bonded to the inner wall of the fixing hole, a valve is sleeved on the top end of the connecting pipe, a round pipe is inserted into the top end of the valve, and a water inlet hopper is connected to the top end of the round pipe in a threaded mode.
As a further aspect of the present invention: the bottom of gas collecting bottle has inlayed the rubber buffer, and the bottom outer wall central point of rubber buffer puts and opens there is the spliced eye, and the spliced eye is located in the gas collecting bottle to the top of electrode bar.
The utility model has the advantages that:
1. through the arrangement of the cylindrical gas collecting bottle, the scale groove and the floating plate, according to the characteristics of the cylinder, the diameter of the top end of the gas collecting bottle is equal to that of the bottom end of the gas collecting bottle, so that the floating plate can smoothly move down along the inner wall of the gas collecting bottle along with the change of liquid level, students can conveniently read the volume of gas collected in the gas collecting bottle, and the outer wall of the floating plate is provided with the circular water through holes, so that the floating plate can be prevented from blocking the inner wall of the gas collecting bottle, and the speed of discharging water out of the gas collecting bottle is reduced;
2. by arranging the water outlet pipe and the water discharge pipe, the electrode rod can electrolyze water in the gas collecting bottle as much as possible, the water in the glass container is electrolyzed as little as possible, the ionized ion free area is also shortened, the moving path of ions is further shortened, namely, the resistance is reduced, the moving speed of the ions is further accelerated, and the electrolysis efficiency of the water is accelerated;
3. through the arrangement of the water inlet hopper, the circular tube, the connecting tube and the valve, staff in education and employment can fill water into the gas collecting bottle before the beginning of electrolysis so as to completely discharge the air in the gas collecting bottle, thereby avoiding the defect that the air in the gas collecting bottle is not completely discharged because the gas collecting bottle is directly turned over in a glass container to cause that the water in the gas collecting bottle is not filled, and when the gas in the gas collecting bottle needs to be verified after the gas collection is finished, the burning test verification can be directly carried out at the top end of the circular tube by only opening the valve without taking out the gas collecting bottle;
4. by arranging the vertical pipe and the conducting plate, the electrode bar is directly inserted into the vertical pipe, so that the electrode bar can be conveniently replaced by instructors at the later stage, namely the electrode bar is directly pulled out and replaced by a new electrode bar;
5. through setting up pipe clamp and buckle, the stationary gas collection bottle of the professor personnel of being convenient for, and combine the setting of location strip, the professor personnel of being convenient for are fixed in the fixed position with the gas collection bottle.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of a water electrolysis experiment demonstration device for chemical education according to the present invention;
FIG. 2 is a schematic structural view of part A of a water electrolysis experiment demonstration device for chemical education according to the present invention;
FIG. 3 is a schematic view of the gas collecting bottle of the water electrolysis experiment demonstration device for chemical education according to the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of a gas collecting bottle of the water electrolysis experiment demonstration device for chemical education provided by the utility model;
fig. 5 is the utility model provides a water electrolysis experiment presentation device for chemical education's joint and then overlook the structure sketch map of buckle.
In the figure: the device comprises a base plate 1, a storage battery 2, a column 3, a water discharge pipe 4, a rubber hose 5, a water discharge pipe 6, a mounting rod 7, a cross rod 8, a pipe clamp 9, a gas collection bottle 10, a glass container 11, a positioning strip 12, a buckle 13, a rubber plug 15, an electrode rod 16, a vertical pipe 17, a conducting strip 18, a conducting cap 19, a first conducting wire 20, a conducting ring 21, a switch 22, a conducting post 23, a scale groove 24, a water inlet hopper 25, a circular pipe 26, a connecting pipe 27, a floating plate 28 and a valve 29.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, a water electrolysis experiment demonstration device for chemical education comprises a base plate 1, a storage battery 2 is fixed at the middle position of the outer wall of the top of the base plate 1 through bolts, four upright posts 3 are welded on the outer wall of the top of the base plate 1, the top ends of the four upright posts 3 are bonded with a same glass container 11 without a top, two positioning strips 12 are welded on the outer wall of one side of the glass container 11 close to the middle position, a U-shaped buckle 13 is clamped on the outer wall of the glass container 11, the buckle 13 is positioned between the two positioning strips 12, a vertically placed installation rod 7 is welded on the outer wall of one side of the buckle 13, a cross rod 8 is welded on the outer wall of the installation rod 7 close to the bottom end, pipe clamps 9 are welded at two ends of the cross rod 8, a gas collection bottle 10 is convenient for teachers to fix the gas collection bottle 10, electrolysis devices are arranged in the two, and the gas collecting bottle 10 is clamped by the pipe clamp 9, the outer wall of the bottom of the glass container 11 is provided with a round hole, and the vertical pipe 17 is bonded on the inner wall of the round hole.
The utility model discloses in, the inner wall of riser 17 intermediate position bonds and has conducting strip 18, and the welding of the bottom outer wall central point of conducting strip 18 puts and has led electrical pillar 23, the bottom threaded connection who leads electrical pillar 23 has electrically conductive cap 19, and the welding of the bottom outer wall of electrically conductive cap 19 has first wire 20, the welding of the bottom of first wire 20 has switch 22, and the welding of switch 22's leading-out terminal has the power cord, the welding of the bottom of power cord has conducting ring 21, and conducting ring 21 threaded connection is on battery 2's terminal.
An electrode bar 16 is inserted in the vertical pipe 17, the bottom end of the electrode bar 16 is attached to the top surface of the conducting plate 18, because the electrode bar 16 is directly inserted in the vertical pipe 17, the electrode bar 16 can be conveniently replaced by a teacher at the later stage, namely, the old electrode bar 16 is directly drawn out and then replaced by a new electrode bar 16, the gas collecting bottle 10 is of a cylindrical structure, according to the characteristics of the cylinder, the diameter of the top end of the gas collecting bottle 10 is equal to that of the bottom end, so that the floating plate 28 can smoothly move down along the inner wall of the gas collecting bottle 10 along with the change of the liquid level, a student can conveniently read the volume of the gas collected in the gas collecting bottle 10, a through hole is formed in the position, close to the bottom end, of the outer wall of one side of the gas collecting bottle 10, a water outlet pipe 6 is bonded to the inner wall of the through hole, a rubber hose 5 is sleeved at the end, far away from, the electrode bar 16 can electrolyze the water in the gas collecting bottle 10 as much as possible, the water in the glass container 11 is electrolyzed as little as possible, the ionized ion free area is also shortened, the moving path of the ions is further shortened, namely, the resistance is reduced, the moving speed of the ions is accelerated, the water electrolysis efficiency is accelerated, the floating plate 28 is placed in the gas collecting bottle 10, the outer wall of the floating plate 28 is provided with a circular water through hole, the outer wall of one side of the gas collecting bottle 10 is provided with scale grooves 24 which are distributed at equal intervals, so that students can read the volume of the gas collected in the gas collecting bottle 10 conveniently, the outer wall of the top end of the gas collecting bottle 10 is provided with a fixed hole, the inner wall of the fixed hole is bonded with a connecting pipe 27, the top end of the connecting pipe 27 is sleeved with a valve 29, the top end of the valve 29 is inserted with a round pipe 26, the top end of the round pipe 26 is in threaded connection with a water inlet hopper 25, so, with the air in the gas collecting bottle 10 completely discharge, avoid because of directly not being filled up with the direct back-off of gas collecting bottle 10 in glass container 11 and the water in the gas collecting bottle 10 that causes, and then cause the air in the gas collecting bottle 10 not by the not enough of complete discharge, and when the gas in the gas collecting bottle 10 need be verified after the gas collection is accomplished, only need open valve 29, can directly carry out combustion test on the top of pipe 26 and verify, the bottom of gas collecting bottle 10 has inlayed rubber buffer 15, and the bottom outer wall central point of rubber buffer 15 puts and has opened the spliced eye, the spliced eye is located in gas collecting bottle 10 is passed on the top of electrode bar 16.
When in use, a certain amount of water is added into the glass container 11, the liquid level of the water is higher than the water discharge pipe 4, then the valve 29 is opened, the water is filled into the gas collecting bottle 10 through the water inlet hopper 25 until the water in the gas collecting bottle 10 is filled, after the operation is finished, the two switches 22 connected with the storage battery 2 are respectively pressed down, an electrolysis experiment is started, in the electrolysis process, the two electrode rods 16 connected with the anode and the cathode of the storage battery 2 respectively electrolyze the water in the two gas collecting bottles 10 and generate different gases, and because the mass of the gases is small, the gases move upwards in the gas collecting bottle 10, the gases in the gas collecting bottle 10 are increased, the pressure on the water in the gas collecting bottle 10 is discharged out of the gas collecting bottle 10 along the water outlet pipe 6, the rubber hose 5 and the water discharge pipe 4, the liquid level in the gas collecting bottle 10 is reduced, the floating plate 28 also moves downwards along the inner wall of the gas collecting bottle 10 along with the change of the liquid level, when the water in the gas collecting bottle 10 is completely discharged, the electrolysis experiment can be finished, the switch 22 is pressed again, the electrode bar 16 loses power, then, the student reads and records the scale of the bottom surface of the floating plate 28 staying on the outer wall of the gas collecting bottle 10, and the volume ratio of the prepared gas can be obtained by comparing the two data; when verifying the gas in the gas collecting bottle 10, the water inlet hopper 25 is firstly unscrewed, one of the valves 29 is opened, the gas escapes from the gas collecting bottle 10, a combustion test is performed at the round pipe 26 for verification, then the other valve 29 is opened, and the steps are repeated to verify the other collected gas.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The water electrolysis experiment demonstration device for chemical education comprises a base plate (1) and is characterized in that a storage battery (2) is fixed at the middle position of the outer wall of the top of the base plate (1) through bolts, four stand columns (3) are welded on the outer wall of the top of the base plate (1), the top ends of the four stand columns (3) are bonded with a same non-top glass container (11), two positioning strips (12) are welded on the outer wall of one side of the glass container (11) close to the middle position, U-shaped buckles (13) are clamped on the outer wall of the glass container (11), the buckles (13) are located between the two positioning strips (12), vertically-placed installation rods (7) are welded on the outer wall of one side of each buckle (13), a cross rod (8) is welded on the outer wall of the installation rod (7) close to the bottom end, pipe clamps (9) are welded at the, two all be equipped with electrolytic device in pipe clamp (9), and two electrolytic device's structure is the same, electrolytic device includes riser (17) and gas collection bottle (10) of placing upside down, and gas collection bottle (10) by pipe clamp (9) centre gripping, the bottom outer wall of glass container (11) is opened there is the round hole, and riser (17) bond on the inner wall of round hole.
2. The water electrolysis experiment demonstration device for chemical education as claimed in claim 1, wherein the conducting strip (18) is bonded to the inner wall of the middle position of the vertical pipe (17), and the conducting column (23) is welded to the center position of the outer wall of the bottom of the conducting strip (18).
3. The water electrolysis experiment demonstration device for chemical education as claimed in claim 2, wherein the bottom end of the conductive column (23) is connected with a conductive cap (19) in a threaded manner, and the outer wall of the bottom of the conductive cap (19) is welded with the first conducting wire (20).
4. The water electrolysis experiment demonstration device for chemical education as claimed in claim 3, wherein a switch (22) is welded at the bottom end of the first conducting wire (20), a power line is welded at the outlet end of the switch (22), a conducting ring (21) is welded at the bottom end of the power line, and the conducting ring (21) is in threaded connection with the terminal of the storage battery (2).
5. The water electrolysis experiment demonstration device for chemical education as claimed in claim 1, wherein an electrode rod (16) is inserted in the vertical pipe (17), the bottom end of the electrode rod (16) is attached to the top surface of the conducting strip (18), the gas collection bottle (10) is of a cylindrical structure, a through hole is formed in the position, close to the bottom end, of the outer wall of one side of the gas collection bottle (10), a water outlet pipe (6) is bonded to the inner wall of the through hole, a rubber hose (5) is sleeved at one end, far away from the gas collection bottle (10), of the water outlet pipe (6), and a water discharge pipe (4) is inserted at one end, far away from the gas collection bottle (10), of the.
6. The water electrolysis experiment demonstration device for chemical education as claimed in claim 1, wherein a floating plate (28) is placed in the gas collection bottle (10), the outer wall of the floating plate (28) is provided with circular water through holes, and the outer wall of one side of the gas collection bottle (10) is provided with scale grooves (24) distributed at equal intervals.
7. The water electrolysis experiment demonstration device for chemical education as claimed in claim 1, wherein the outer wall of the top end of the gas collection bottle (10) is provided with a fixing hole, the inner wall of the fixing hole is bonded with a connecting pipe (27), the top end of the connecting pipe (27) is sleeved with a valve (29), the top end of the valve (29) is inserted with a round pipe (26), and the top end of the round pipe (26) is in threaded connection with a water inlet hopper (25).
8. The water electrolysis experiment demonstration device for chemical education as claimed in claim 1, wherein a rubber plug (15) is embedded at the bottom end of the gas collection bottle (10), a plug hole is formed in the center of the outer wall of the bottom of the rubber plug (15), and the top end of the electrode rod (16) passes through the plug hole and is located in the gas collection bottle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344716.1U CN209843028U (en) | 2019-03-19 | 2019-03-19 | Water electrolysis experiment demonstration device for chemical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344716.1U CN209843028U (en) | 2019-03-19 | 2019-03-19 | Water electrolysis experiment demonstration device for chemical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843028U true CN209843028U (en) | 2019-12-24 |
Family
ID=68907028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920344716.1U Expired - Fee Related CN209843028U (en) | 2019-03-19 | 2019-03-19 | Water electrolysis experiment demonstration device for chemical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209843028U (en) |
-
2019
- 2019-03-19 CN CN201920344716.1U patent/CN209843028U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |