CN104680908B - Gas explosion experimental facility - Google Patents
Gas explosion experimental facility Download PDFInfo
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- CN104680908B CN104680908B CN201510132578.7A CN201510132578A CN104680908B CN 104680908 B CN104680908 B CN 104680908B CN 201510132578 A CN201510132578 A CN 201510132578A CN 104680908 B CN104680908 B CN 104680908B
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- container
- bottom plate
- gas explosion
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- experimental facility
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/24—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for chemistry
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- Mathematical Physics (AREA)
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- Business, Economics & Management (AREA)
- Chemical & Material Sciences (AREA)
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- Investigating Or Analyzing Materials Using Thermal Means (AREA)
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Abstract
The invention discloses a kind of gas explosion experimental facilities, it is related to experiment teaching aid manufacturing technology field, include the first container, the first container is placed on, equipped with the appendix stretched into the first container on the bottom plate, two the first exploding wires being connected respectively with the high-voltage signal pulse output end and ground terminal of pulse ignition device are equipped in the first container lower part；The bottom plate is fixed in the first container side equipped with second container, and cover is housed in the top movable of the second container；Two the second exploding wires being connected respectively with the high-voltage signal pulse output end of the pulse ignition device and the ground terminal are equipped in the lower part of the second container.Compared with prior art, the present invention can conveniently, safely carry out combustible gas explosion and the gas explosion experimental facility of hydrogen explosion demonstration.
Description
Technical field
The present invention relates to experiment teaching aid manufacturing technology fields, especially a kind of utensil for gas explosion test.
Background technology
Experimental teaching is the important component of chemistry teaching, it can excite the interest of student's learning chemistry, help to learn
It is raw to form chemical concept, obtain chemical knowledge and experimental skill.Combustible gas explosion is related in junior middle school chemistry teaching material
With the content of hydrogen explosion, wherein the experimental method that only hydrogen explosion is provided by textbook completes the explosion test of hydrogen, but
The experiment of this hydrogen explosion has certain difficulty and is not easy success；It, can only be according to the content in teaching material for combustible gas explosion
Combustible gas explosion and harmfulness are described to student, without relevant experimental demonstration content, student is not readily understood, can not make
The raw understanding deepened from sense organ to combustible gas explosion harmfulness.How is made by a kind of experiment teaching aid and experimental demonstration
The harmfulness of combustible gas explosion and hydrogen explosion is recognized for life and the consciousness of improving the precaution, and is that educator urgently solves
Problem certainly.
Invention content
The technical problems to be solved by the invention are to provide one kind and conveniently, safely carry out combustible gas explosion and hydrogen
Explode the gas explosion experimental facility demonstrated.
To solve the above-mentioned problems, the technical solution adopted in the present invention is：This gas explosion experimental facility includes
One container, the first container are placed on, and the appendix stretched into the first container is housed on the bottom plate,
The first container lower part is connected equipped with two with the high-voltage signal pulse output end and ground terminal of pulse ignition device respectively
The first exploding wire；The bottom plate is fixed in the first container side equipped with second container, at the top of the second container
Activity is equipped with cover；The lower part of the second container be equipped with two respectively with the high-voltage signal of the pulse ignition device
The second exploding wire that pulse output end is connected with the ground terminal.
In above-mentioned technical proposal, more specific technical solution can also be：One end of the appendix extends to the first container
It it is 10 millimeters~20 millimeters at top surface and with top surface distance, the other end of the appendix is connected with pipe fitting；The bottom plate
The protective cover of tubular is externally provided in the first container, observation panel is provided in the side wall of the protective cover.
Further：The cover is fixed on by elastic connection rope on the bottom plate.
Further：The first container and the second container are transparent plastic article, are set in the first container bottom
There is opening；The appendix is copper pipe.
By adopting the above-described technical solution, the present invention has the advantages that compared with prior art：1st, due to
Exploding wire is equipped in the first container and second container, exploding wire is connected with pulse ignition device, carries out combustible gas explosion
It is ignited when being demonstrated with hydrogen explosion using electric spark, safety is good, slows down the feared state of mind of experimenter；2nd, it is equipped on bottom plate
The appendix at the top of nearly the first container is extended to, air can be discharged at the first container bottom opening when being inputted so as to hydrogen；
The first container and second container are provided with the protective cover of observation panel by transparent plastic article and being externally provided in the first container, can give student views
The blast process that hydrogen and imflammable gas are ignited in electric spark is examined, is occurred unexpected with preventing explosion time the first container from disorderly flying
Phenomenon；3rd, this gas explosion experimental facility integrates combustible gas explosion and hydrogen explosion experiment, compact, convenient for taking
Band, no matter in classroom or outdoor can all be tested.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the K direction views of Fig. 2.
Fig. 4 is the wiring diagram of the exploding wire in the first container and second container of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing embodiment, the invention will be further described：
Embodiment 1：
Gas explosion experimental facility as depicted in figs. 1 and 2 includes the first container 2, set in 2 bottom of the first container there are one
Opening, the first container 2 are placed on one piece of bottom plate 1, equipped with the appendix 2-3 stretched into the first container 2, gas transmission on bottom plate 1
One end of pipe 2-3 extends at nearly 2 top surface of the first container and is 10 millimeters with top surface distance, and the other end of appendix 2-3 connects
It is copper pipe to have pipe fitting 2-5, appendix 2-3；Two the first exploding wires for stretching into 3 lower part of the first container are housed on bottom plate 1, this
Two first exploding wires are the first exploding wire 2-2, the first exploding wire 2-6 for igniting hydrogen respectively；First exploding wire 2-2 and pulse
The ground terminal 4-3 of igniter 4 is connected；The high-voltage signal pulse output end 4- of first exploding wire 2-6 and pulse ignition device 4
2 are connected, and hydrogen detonation button 2-6 are housed between the first exploding wire 2-6 ends and high-voltage signal pulse output end 4-2, such as
Shown in Fig. 4.Dress is provided with sight there are one the protective cover 2-4 of tubular in the side wall of protective cover 2-4 on bottom plate 1 outside the first container 2
Cha Kou；The first container 2 is transparent plastic article, observation hydrogen to be facilitated to ignite process, as shown in Figure 3.In 2 side of the first container
Bottom plate 1 is fixed equipped with second container 3, and second container 3 is transparent plastic article；Second container 3 is by passing through the screw of its bottom surface to consolidate
It is scheduled on bottom plate 1；In the top movable of second container 3 container at the top of second container 3 is covered equipped with cover 3-3, cover 3-3
On mouth, cover 3-3 is fixed on by elastic connection rope 3-4 on bottom plate 1, it is ensured that when carrying out igniting demonstration in second container 3, lid
Body 3-3 will not disorderly fly, and the elastic connection rope 3-4 of the present embodiment is rubber band；On bottom plate 1 second container 3 is stretched into equipped with two
Second exploding wire of lower part, this two second exploding wires are the second exploding wire 3-2, the second exploding wire 3-5 respectively, the second exploding wire
3-2 is connected with the ground terminal 4-3 of pulse ignition device 4；The high-voltage signal arteries and veins of second exploding wire 3-5 and pulse ignition device 4
It rushes output terminal 4-2 to be connected, detonate between the second exploding wire 3-2 ends and high-voltage signal pulse output end 4-2 equipped with combustion gas
Button 3-5, as shown in Figure 4.
When carrying out hydrogen explosion experiment, the air inlet pipe equipped with hydrogen tank body with pipe fitting 2-5 is connect, passes through hydrogen defeated
Tracheae 2-3 enters in the first container 2, and startup power supply switch 4-1 presses hydrogen detonation button 2-6, you can it is real to complete hydrogen explosion
The demonstration tested.
When carrying out gas explosion experiment, the cover 3-3 on 3 top of second container is opened, combustion is filled with into second container 3
Cover 3-3, is covered the vessel port of second container 3 by gas, and startup power supply switch 4-1 presses combustion gas detonation button 3-5, you can complete
The demonstration tested into gas explosion.
The demonstration of the explosion test of gasoline and more than 96% alcohol can also be carried out using second container 3；During experiment, respectively
The cotton swab of gasoline and more than 96% alcohol will be moistened with, be equably coated in the inner wall of second container 3, startup power supply switch 4-1 is pressed
Combustion gas detonation button 3-5, you can be respectively completed the explosion test demonstration of gasoline and more than 96% alcohol.
Embodiment 2：
One end of appendix 2-3 extends at nearly 2 top surface of the first container and is 20 millimeters with top surface distance, other features with
Embodiment 1 is identical.
Claims (3)
1. a kind of gas explosion experimental facility, includes the first container（2）, it is characterised in that：The first container（2）It is placed on bottom
Plate（1）On, in the bottom plate（1）Upper be equipped with stretches into the first container（2）Interior appendix（2-3）, in the first container
（3）Lower part be equipped with two respectively with pulse ignition device（4）High-voltage signal pulse output end（4-2）And ground terminal（4-3）Phase
First exploding wire of connection；The bottom plate（1）In the first container（2）Side is fixed equipped with second container（3）, described
Two containers（3）Top movable be equipped with cover（3-3）；In the second container（3）Lower part be equipped with two respectively with the arteries and veins
Rush igniter（4）The high-voltage signal pulse output end（4-2）With the ground terminal（4-3）Second to be connected is ignited
Line；During experiment, the cotton swab that will be moistened with gasoline and more than 96% alcohol respectively is equably coated in second container（3）Inner wall, open
Dynamic power switch（4-1）,
Press combustion gas detonation button（3-5）；The appendix（2-3）One end extend to the nearly the first container（2）At top surface simultaneously
It is 10 millimeters~20 millimeters with top surface distance, the appendix（2-3）The other end be connected with pipe fitting（2-5）；The bottom
Plate（1）In the first container（2）It is externally provided with the protective cover of tubular（2-4）, in the protective cover（2-4）Side wall be provided with observation
Mouthful.
2. gas explosion experimental facility according to claim 1, it is characterised in that：The cover（3-3）Pass through elastic connection
Rope（3-4）It is fixed on the bottom plate（1）On.
3. gas explosion experimental facility according to claim 2, it is characterised in that：The first container（2）With described second
Container（3）For transparent plastic article, in the first container（2）Bottom is equipped with opening；The appendix（2-3）For copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132578.7A CN104680908B (en) | 2014-12-12 | 2015-03-25 | Gas explosion experimental facility |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014107617252 | 2014-12-12 | ||
| CN201410761725 | 2014-12-12 | ||
| CN201510132578.7A CN104680908B (en) | 2014-12-12 | 2015-03-25 | Gas explosion experimental facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104680908A CN104680908A (en) | 2015-06-03 |
| CN104680908B true CN104680908B (en) | 2018-06-26 |
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ID=53315885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510132578.7A Expired - Fee Related CN104680908B (en) | 2014-12-12 | 2015-03-25 | Gas explosion experimental facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104680908B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036058A (en) * | 2018-06-04 | 2018-12-18 | 湖南工学院 | A kind of imflammable gas blast accident simulation flowchart device |
| CN109243273B (en) * | 2018-10-11 | 2021-08-27 | 付万会 | Device for demonstrating hydrogen detonation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7637742B1 (en) * | 2007-07-19 | 2009-12-29 | Ron Williams | Carbon dioxide experiment device |
| CN202352192U (en) * | 2011-11-27 | 2012-07-25 | 王富民 | Flammable gas detonation generator |
| CN203179372U (en) * | 2013-02-04 | 2013-09-04 | 盐城师范学院 | Dust explosion demonstrator |
| CN203351109U (en) * | 2013-05-21 | 2013-12-18 | 段书进 | Demonstration device for gas explosion experiment |
| CN203444683U (en) * | 2013-09-17 | 2014-02-19 | 甘肃民族师范学院 | Chemical explosion experiment device |
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2015
- 2015-03-25 CN CN201510132578.7A patent/CN104680908B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104680908A (en) | 2015-06-03 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20190325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |