CN206400902U - A kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating - Google Patents
A kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating Download PDFInfo
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- CN206400902U CN206400902U CN201720003991.8U CN201720003991U CN206400902U CN 206400902 U CN206400902 U CN 206400902U CN 201720003991 U CN201720003991 U CN 201720003991U CN 206400902 U CN206400902 U CN 206400902U
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Abstract
The utility model discloses a kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating, including cabinet, support frame, pressurized cylinder and bent axle, the bottom of the cabinet inwall is fixedly connected with the bottom of support frame, the positive bottom of the cabinet and position corresponding with support frame offers mounting groove, the internal activity of the mounting groove is provided with alcolhol burner, offer bottoming hole at the top of support frame as described above, the top of support frame as described above and be fixedly connected positioned at the surface of bottoming hole with the bottom of pressurized cylinder.The utility model is related to physics experiment teaching technical field, this is used for the boiling point and pressure dependence apparatus for demonstrating of Physical Experiment, the purpose of displaying boiling point directly perceived and pressure dependence is reached, the relation between boiling point and pressure is demonstrated well, greatly facilitate the demonstration operation of teacher, the classroom experiment time is saved, the knowledge point for making the understanding of student more rapidly, more deep related to pressure dependence with grasp boiling point.
Description
Technical field
The utility model is related to physics experiment teaching technical field, specially a kind of boiling point and pressure for Physical Experiment
Relation demonstration device.
Background technology
Physics be study the most basic structure of the material world, most common interaction, the characteristics of motion most typically and
The natural science of used laboratory facilities and method of thinking, student is required in theory when learning physicses are gained knowledge
On the basis of test in person, before the experiments, teacher all can to student's Demonstrating Physics Experiment process and explanation Physical Experiment
During the item that should be noted, wherein, the Physical Experiment for boiling point and pressure dependence is student in learning physicses knowledge
During a more important experiment.
At present, it is by flask, beaker and conduit etc. mostly for boiling point and the apparatus for demonstrating of pressure dependence Physical Experiment
Some relatively simple devices demonstrate boiling point and pressure dependence, however, these apparatus for demonstrating demonstrating effects are poor, and demonstrate
Come inconvenient, it is impossible to very intuitively the relation of boiling point and pressure is shown, prevents student from being well understood by and slapping
Hold the boiling point knowledge related to pressure dependence.
Utility model content
(1) technical problem solved
In view of the shortcomings of the prior art, the utility model is drilled there is provided a kind of boiling point for Physical Experiment with pressure dependence
Showing device, it is poor to solve apparatus for demonstrating demonstrating effect, and demonstration gets up inconvenient, prevent student from being well understood by and
Grasp the problem of boiling point is with pressure dependence relevant knowledge.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：It is a kind of for Physical Experiment
Boiling point and pressure dependence apparatus for demonstrating, including cabinet, support frame, pressurized cylinder and bent axle, the bottom of the cabinet inwall and support
The bottom of frame is fixedly connected, the positive bottom of the cabinet and position corresponding with support frame offers mounting groove, the peace
The internal activity of tankage, which is provided with the top of alcolhol burner, support frame as described above, offers bottoming hole, the top and position of support frame as described above
It is fixedly connected in the surface of bottoming hole with the bottom of pressurized cylinder, the both sides of the pressurized cylinder have been respectively communicated with water inlet pipe and water outlet
Pipe, and water inlet pipe and outlet pipe are provided with electromagnetic throttle valve on one end of pressurized cylinder, the water inlet pipe is away from pressurized cylinder
One end is through cabinet and extends to the outside of cabinet, the one end of the outlet pipe away from pressurized cylinder is through cabinet and extends to machine
The outside of case, the bottom of the supercharging inside wall of cylinder side is installed with level sensor, and the both sides of the supercharging inside wall of cylinder lead to
Cross sealing rubber washer and slidably connect side at the top of piston block, the piston block through there is blast pipe, the blast pipe is remote
One end from piston block runs through pressurized cylinder and extends to the outside of pressurized cylinder, one end that the blast pipe is extended to outside pressurized cylinder
On be provided with to be fixedly connected with the top of contiguous block, and contiguous block at the top of electromagnetic exhaust valve, the piston block and offer connection
Groove, the both sides of the link slot inwall are rotatably connected to connecting rod by rotating bar.
The one end of the connecting rod away from contiguous block runs through pressurized cylinder and extends to the outside of pressurized cylinder, and the connecting rod is prolonged
The connection axle journal for extending one end outside pressurized cylinder and bent axle rotates connection, and one end of the bent axle leads to the side of cabinet inwall
Cross bearing to be fixedly connected, the other end of the bent axle runs through cabinet and extends to the outside of cabinet, and the bent axle extends to cabinet
The first belt pulley is arranged with outside one end, the bottom of the cabinet inwall is installed with motor by contiguous block, described
The output end of motor runs through cabinet and extends to the outside of cabinet, and the motor output shaft, which is extended on one end outside cabinet, to be covered
Provided with the second belt pulley, and the second belt pulley is connected with the first belt pulley by belt transmission, and the front of the pressurized cylinder is respectively
Be installed with pressure gauge and experimental temperature meter, the front of the cabinet be respectively arranged with transparent glass window, controlling switch and by
Key, the bottom of the cabinet inwall is installed with single-chip microcomputer.
The output end of the level sensor and the input of data comparator are connected, the output end of the data comparator
It is connected with the input of feedback module, and the output end of feedback module 17 and the input of single-chip microcomputer are connected, the controlling switch
It is connected with the output end of button with the input of single-chip microcomputer, and the output end of single-chip microcomputer is arranged with electromagnetic throttle valve, electromagnetism respectively
The input connection of air valve, motor and data comparator.
It is preferred that, the electromagnetic throttle valve includes the first electromagnetic throttle valve and the second electromagnetic throttle valve, first electromagnetism
Choke valve is arranged on water inlet pipe, and second electromagnetic throttle valve is arranged on outlet pipe, first electromagnetic throttle valve and
The input of two electromagnetic throttle valves is connected with the output end of single-chip microcomputer.
It is preferred that, the model L-DP601 of the level sensor, the model SMC62 of the single-chip microcomputer.
It is preferred that, the controlling switch includes pressurization control switch, gas exhaust inspecting switch, changes water control switch and reset control
System switch, the pressurization control switch, gas exhaust inspecting switch, change water control switch and reset controlling switch output end with list
The input connection of piece machine.
It is preferred that, the input of the single-chip microcomputer and the output end of power module are electrically connected with, and the output of power module
End is electrically connected with the input of level sensor, controlling switch and button respectively.
It is preferred that, casing handle is installed with the top of the cabinet.
(3) beneficial effect
The utility model provides a kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating.Possess following beneficial
Effect：
(1), the boiling point for being used for Physical Experiment and pressure dependence apparatus for demonstrating, by support frame, pressurized cylinder, piston block,
Connecting rod, bent axle, the first belt pulley, the second belt pulley, pressure gauge and experimental temperature meter, have reached displaying boiling point directly perceived and pressure
The purpose of relation, is rotated, bent axle makes piston block be moved up and down in pressurized cylinder again by motor belt motor dynamic crankshaft, realizes artificial control
Water extraneous gas pressure processed, then the boiling water for pressurized cylinder be heated in pressurized cylinder by alcolhol burner, read experimental temperature
The temperature of meter now, you can it was observed that how the boiling point of water changes at various pressures, boiling point and pressure are so demonstrated well
Relation between power, greatly facilitate teacher demonstration operation, save the classroom experiment time, make student more rapidly, it is more deep
Understanding with grasp the boiling point knowledge point related to pressure dependence.
(2), the boiling point for being used for Physical Experiment and pressure dependence apparatus for demonstrating, pass through electromagnetic throttle valve, controlling switch, electricity
Magnetic air bleeding valve and single-chip microcomputer, realize the demonstration for conveniently controlling the device, and being manipulated by switch can throttle to motor, electromagnetism
Valve and electromagnetic exhaust valve are operated control, instead of hand supercharging and change water well, it is to avoid to learning in experimentation
Raw or teacher's personal safety threatens, and makes experiment safer, relatively reliable.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the sectional view inside the utility model；
Fig. 3 is the sectional view inside the utility model pressurized cylinder；
Fig. 4 is utility model works theory diagram.
In figure：1 cabinet, 2 support frames, 3 pressurized cylinders, 4 bent axles, 5 mounting grooves, 6 alcolhol burners, 7 bottoming holes, 8 water inlet pipes, 9 go out
Water pipe, 10 electromagnetic throttle valves, 101 first electromagnetic throttle valves, 102 second electromagnetic throttle valves, 11 level sensors, 12 caulking gums
Packing ring, 13 piston blocks, 14 blast pipes, 15 electromagnetic exhaust valves, 16 contiguous blocks, 17 link slots, 18 connecting rods, 19 first belt pulleys,
20 motors, 21 second belt pulleys, 22 pressure gauges, 23 experimental temperature meters, 24 transparent glass windows, 25 controlling switches, 251 pressurization controls
Water control switch, 254 reset controlling switches, 26 buttons, 27 single-chip microcomputers, 28 data ratios are changed in switch, 252 gas exhaust inspectings switch, 253
Compared with device, 29 feedback modules, 30 power modules, 31 casing handles.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of boiling point for Physical Experiment is closed with pressure
It is apparatus for demonstrating, including cabinet 1, support frame 2, pressurized cylinder 3 and bent axle 4, the top of cabinet 1 is installed with casing handle 31,
Teacher or student is facilitated to move the apparatus for demonstrating, the bottom of the inwall of cabinet 1 is fixedly connected with the bottom of support frame 2, the front of cabinet 1
Bottom and the position corresponding with support frame 2 offers mounting groove 5, the effect of mounting groove 5 is conveniently to prevent alcolhol burner 6, peace
The internal activity of tankage 5 is provided with alcolhol burner 6, and the top of support frame 2 offers bottoming hole 7, the top of support frame 2 and positioned at plus
The surface of hot hole 7 is fixedly connected with the bottom of pressurized cylinder 3, and the both sides of pressurized cylinder 3 have been respectively communicated with water inlet pipe 8 and outlet pipe 9,
And water inlet pipe 8 and outlet pipe 9 are provided with electromagnetic throttle valve 10 on one end of pressurized cylinder 3, water inlet pipe 8 is away from pressurized cylinder 3
One end is through cabinet 1 and extends to the outside of cabinet 1, the one end of outlet pipe 9 away from pressurized cylinder 3 is through cabinet 1 and extends to
The outside of cabinet 1, electromagnetic throttle valve 10 includes the first electromagnetic throttle valve 101 and the second electromagnetic throttle valve 102, the throttling of the first electromagnetism
Valve 101 is arranged on water inlet pipe 8, and the second electromagnetic throttle valve 102 is arranged on outlet pipe 9, the first electromagnetic throttle valve 101 and second
Output end of the input of electromagnetic throttle valve 102 with single-chip microcomputer 17 is connected, and the bottom of the inwall side of pressurized cylinder 3 is installed with
Level sensor 11, the model L-DP601 of level sensor 11, the level sensor 11 of the model senses sensitive, detection effect
Really good, the both sides of the inwall of pressurized cylinder 3 slidably connect piston block 13, the side at the top of piston block 13 by caulking gum packing ring 12
Through there is blast pipe 14, the one end of blast pipe 14 away from piston block 13 runs through pressurized cylinder 3 and extends to the outside of pressurized cylinder 3, row
Tracheae 14 extends to and electromagnetic exhaust valve 15 is provided with one end outside pressurized cylinder 3, and the top of piston block 13 is fixedly connected with company
Block 16 is connect, and the top of contiguous block 16 offers link slot 17, the both sides of the inwall of link slot 17 are rotatably connected to by rotating bar
Connecting rod 18.
The one end of connecting rod 18 away from contiguous block 16 runs through pressurized cylinder 3 and extends to the outside of pressurized cylinder 3, and connecting rod 18 is prolonged
The connection axle journal for extending one end outside pressurized cylinder 3 and bent axle 4 rotates connection, and one end of bent axle 4 leads to the side of the inwall of cabinet 1
Cross bearing to be fixedly connected, the other end of bent axle 4 runs through cabinet 1 and extends to the outside of cabinet 1, and bent axle 4 is extended to outside cabinet 1
One end on be arranged with the first belt pulley 19, the bottom of the inwall of cabinet 1 is installed with motor 20 by contiguous block, motor 20
Output end runs through cabinet 1 and extends to the outside of cabinet 1, and the output shaft of motor 20 is extended to be arranged with one end outside cabinet 1
Second belt pulley 21, and the second belt pulley 21 is connected with the first belt pulley 19 by belt transmission, the both sides of pressurized cylinder 3 lead to respectively
The both sides that fix bar is crossed with the inwall of cabinet 1 are fixedly connected, and play fixed effect, and the front of pressurized cylinder 3 is installed with respectively
Pressure gauge 22 and experimental temperature meter 23, pass through support frame 2, pressurized cylinder 3, piston block 13, connecting rod 18, bent axle 4, the first belt pulley
19th, the second belt pulley 21, pressure gauge 22 and experimental temperature meter 23, have reached the purpose of displaying boiling point directly perceived and pressure dependence, have led to
Cross motor 20 to rotate with dynamic crankshaft 4, bent axle 4 makes piston block 13 move up and down in pressurized cylinder 3 again, realize outside manual control water
Portion's gas pressure intensity, then the boiling water for pressurized cylinder 3 be heated in pressurized cylinder 3 by alcolhol burner 6, read experimental temperature meter 23
Temperature now, you can it was observed that how the boiling point of water changes at various pressures, boiling point and pressure are so demonstrated well
Between relation, greatly facilitate teacher demonstration operation, save the classroom experiment time, make student more rapidly, it is more deep
Understand and grasp the boiling point knowledge point related to pressure dependence, the front of cabinet 1 is respectively arranged with transparent glass window 24, control and opened
25 and button 26 are closed, controlling switch 25 includes pressurization control switch 251, gas exhaust inspecting switch 252, changes the and of water control switch 253
Controlling switch 254 is resetted, pressurization control switch 251, gas exhaust inspecting switch 252, change water control switch 253 and reset controlling switch
Input of 254 output end with single-chip microcomputer 27 is connected, and the bottom of the inwall of cabinet 1 is installed with single-chip microcomputer 27, single-chip microcomputer
27 model SMC62, the control effect of single-chip microcomputer 27 that this is decided is good, the input of single-chip microcomputer 27 and the output of power module 30
End is electrically connected with, and the output end input respectively with level sensor 11, controlling switch 25 and button 26 of power module 30
It is electrically connected with.
The output end of level sensor 11 is connected with the input of data comparator 28, the output end of data comparator 28 with
The input of feedback module 29 is connected, and the output end of feedback module 29 is connected with the input of single-chip microcomputer 27, controlling switch 25
Input with the output end of button 26 with single-chip microcomputer 27 is connected, and single-chip microcomputer 27 output end respectively with electromagnetic throttle valve
10th, electromagnetic exhaust valve 15, motor 20 and data comparator 28 input connection, by electromagnetic throttle valve 10, controlling switch 25,
Electromagnetic exhaust valve 15 and single-chip microcomputer 27, realize the demonstration for conveniently controlling the device, and being manipulated by switch 25 can be to motor
20th, electromagnetic throttle valve 10 and electromagnetic exhaust valve 15 are operated control, instead of hand supercharging and change water well, it is to avoid
Student or teacher's personal safety are threatened in experimentation, make experiment safer, relatively reliable.
Before use, further according to the height of required water level in pressurized cylinder 3, judgement needs the water level value of input standard, is higher than
The water level value of standard is water-level alarm threshold value, and water-level alarm threshold value then is inputted into single-chip microcomputer 27, single-chip microcomputer 27 by button 26
Water-level alarm threshold value is delivered in data comparator 28 again, compared as data.
The apparatus for demonstrating is lain in horizontal table top in use, first passing through casing handle 31, then passes through power module 30
The apparatus for demonstrating is powered, water control switch 253 is changed in operation, opens the first electromagnetic throttle valve 101, the second electromagnetic throttle valve
102 are closed, and start water inlet in pressurized cylinder 3, and the level sensor 11 being provided with is detected to the water level inside pressurized cylinder 3, water
Level sensor 11 transmits the water level value of detection to data comparator 28, and level sensor 11 is detected in data comparator 28
Water level value is compared with water-level alarm threshold value, if result of the comparison is higher than water-level alarm threshold value, represents the water inside pressurized cylinder 3
Position is too high, and water-level alarm threshold value is fed back to single-chip microcomputer 27 by data comparator 28 through feedback module 29；The control of single-chip microcomputer 27 first
Electromagnetic throttle valve 101 is closed, and the signal of controlled motor 20 then is delivered into single-chip microcomputer by pressurization control switch 251
27, control signal is delivered to motor 20 by single-chip microcomputer 27 again, and motor 20 carries out rotation work, and motor 20 passes through the band He of dynamic crankshaft 4
Connecting rod 18, declines piston block 13 and is pressurized, now operator's observation pressure gauge 22, when the pointer of pressure gauge 22 reaches finger
During level pressure force value, pressurization control switch 251 is unclamped, motor 20 stops operating, now, and the pressure in pressurized cylinder 3 maintains specified
Under pressure state, alcolhol burner 6 is refired, pressurized cylinder 3 is heated, observation experiment thermometer 23, when experimental temperature meter 23
Numerical value represents that the water in pressurized cylinder 3 has reached the boiling point under now pressure, write down on now experimental temperature meter 23 not when rising
Temperature value, then operate gas exhaust inspecting switch 251, single-chip microcomputer 27 can control electromagnetic exhaust valve 15 to open, and make the gas in pressurized cylinder 3
Body is discharged, and operation resets controlling switch 254, and the meeting of single-chip microcomputer 27 controlled motor 20 returns to initial position, and electromagnetic exhaust valve 15 is closed,
Water control switch 253 is changed in operation again, opens the second electromagnetic throttle valve 102, and the boiling water in pressurized cylinder 3 is discharged, finally weighed
Operated more than multiple, the different boiling under measurement different pressures, this completes the whole presentation process of the apparatus for demonstrating.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating, including cabinet (1), support frame (2), pressurized cylinder
And bent axle (4) (3), it is characterised in that：The bottom of cabinet (1) inwall is fixedly connected with the bottom of support frame (2), the machine
Case (1) positive bottom and the position corresponding with support frame (2) offer mounting groove (5), and the inside of the mounting groove (5) is lived
Dynamic be provided with the top of alcolhol burner (6), support frame as described above (2) offers bottoming hole (7), the top and position of support frame as described above (2)
Be fixedly connected in the surface of bottoming hole (7) with the bottom of pressurized cylinder (3), the both sides of the pressurized cylinder (3) be respectively communicated with into
Water pipe (8) and outlet pipe (9), and water inlet pipe (8) and outlet pipe (9) are provided with electromagnetism section on one end of pressurized cylinder (3)
Valve (10) is flowed, the one end of the water inlet pipe (8) away from pressurized cylinder (3) runs through cabinet (1) and extends to the outside of cabinet (1), institute
The one end of outlet pipe (9) away from pressurized cylinder (3) is stated to run through cabinet (1) and extend to the outside of cabinet (1), the pressurized cylinder (3)
The bottom of inwall side is installed with level sensor (11), and the both sides of pressurized cylinder (3) inwall pass through sealing rubber pad
The side that circle (12) is slidably connected at the top of piston block (13), the piston block (13), which is run through, blast pipe (14), the row
The one end of tracheae (14) away from piston block (13) runs through pressurized cylinder (3) and extends to the outside of pressurized cylinder (3), the blast pipe
(14) extend on the outside one end of pressurized cylinder (3) and be provided with electromagnetic exhaust valve (15), the top of the piston block (13) is fixed
It is connected with the top of contiguous block (16), and contiguous block (16) and offers link slot (17), the both sides of link slot (17) inwall
Connecting rod (18) is rotatably connected to by rotating bar；
The one end of the connecting rod (18) away from contiguous block (16) runs through pressurized cylinder (3) and extends to the outside of pressurized cylinder (3), institute
State connecting rod (18) and extend to the outside one end of pressurized cylinder (3) and the connection axle journal rotation connection of bent axle (4), the bent axle (4)
One end be fixedly connected with the side of cabinet (1) inwall by bearing, the other end of the bent axle (4) is through cabinet (1) and prolongs
The outside of cabinet (1) is extended, the bent axle (4) extends on the outside one end of cabinet (1) and is arranged with the first belt pulley (19), institute
The bottom for stating cabinet (1) inwall is installed with motor (20) by contiguous block, and the output end of the motor (20) runs through cabinet
(1) and the outside of cabinet (1) is extended to, motor (20) output shaft, which is extended to, is arranged with the on the outside one end of cabinet (1)
Two belt pulleys (21), and the second belt pulley (21) is connected with the first belt pulley (19) by belt transmission, the pressurized cylinder (3)
Front is installed with pressure gauge (22) and experimental temperature meter (23) respectively, and the front of the cabinet (1) is respectively arranged with transparent
Windowpane (24), controlling switch (25) and button (26), the bottom of cabinet (1) inwall are installed with single-chip microcomputer (27)；
The output end of the level sensor (11) is connected with the input of data comparator (28), the data comparator (28)
Output end be connected with the input of feedback module (29), and the input of output end and the single-chip microcomputer (27) of feedback module (29)
Input of the output end of connection, the controlling switch (25) and button (26) with single-chip microcomputer (27) is connected, and single-chip microcomputer
(27) output end is defeated with electromagnetic throttle valve (10), electromagnetic exhaust valve (15), motor (20) and data comparator (28) respectively
Enter end connection.
2. a kind of boiling point for Physical Experiment according to claim 1 and pressure dependence apparatus for demonstrating, it is characterised in that：
The electromagnetic throttle valve (10) includes the first electromagnetic throttle valve (101) and the second electromagnetic throttle valve (102), the first electromagnetism section
Stream valve (101) is arranged on water inlet pipe (8), and second electromagnetic throttle valve (102) is arranged on outlet pipe (9), and described first
Output end of the input of electromagnetic throttle valve (101) and the second electromagnetic throttle valve (102) with single-chip microcomputer (17) is connected.
3. a kind of boiling point for Physical Experiment according to claim 1 and pressure dependence apparatus for demonstrating, it is characterised in that：
The model L-DP601, the model SMC62 of the single-chip microcomputer (27) of the level sensor (11).
4. a kind of boiling point for Physical Experiment according to claim 1 and pressure dependence apparatus for demonstrating, it is characterised in that：
The controlling switch (25) includes pressurization control switch (251), gas exhaust inspecting switch (252), changes water control switch (253) and multiple
Position controlling switch (254), the pressurization control switch (251), gas exhaust inspecting switch (252), change water control switch (253) and multiple
Input of the output end of position controlling switch (254) with single-chip microcomputer (27) is connected.
5. a kind of boiling point for Physical Experiment according to claim 1 and pressure dependence apparatus for demonstrating, it is characterised in that：
The input of the single-chip microcomputer (27) is electrically connected with the output end of power module (30), and the output end point of power module (30)
Input not with level sensor (11), controlling switch (25) and button (26) is electrically connected with.
6. a kind of boiling point for Physical Experiment according to claim 1 and pressure dependence apparatus for demonstrating, it is characterised in that：
Casing handle (31) is installed with the top of the cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003991.8U CN206400902U (en) | 2017-01-03 | 2017-01-03 | A kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003991.8U CN206400902U (en) | 2017-01-03 | 2017-01-03 | A kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206400902U true CN206400902U (en) | 2017-08-11 |
Family
ID=59516207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720003991.8U Expired - Fee Related CN206400902U (en) | 2017-01-03 | 2017-01-03 | A kind of boiling point for Physical Experiment and pressure dependence apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206400902U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682244A (en) * | 2018-04-27 | 2018-10-19 | 南京惊兰谷根自动化科技有限公司 | A kind of physics teaching distillation apparatus for demonstrating |
| CN112951052A (en) * | 2021-01-29 | 2021-06-11 | 重庆医药高等专科学校 | Colleges and universities experiment display device |
| CN112967578A (en) * | 2021-01-29 | 2021-06-15 | 重庆医药高等专科学校 | Visual safety test control method |
-
2017
- 2017-01-03 CN CN201720003991.8U patent/CN206400902U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682244A (en) * | 2018-04-27 | 2018-10-19 | 南京惊兰谷根自动化科技有限公司 | A kind of physics teaching distillation apparatus for demonstrating |
| CN112951052A (en) * | 2021-01-29 | 2021-06-11 | 重庆医药高等专科学校 | Colleges and universities experiment display device |
| CN112967578A (en) * | 2021-01-29 | 2021-06-15 | 重庆医药高等专科学校 | Visual safety test control method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20180103 |