CN104882049B - The experiment syringe of three law of gas is probed into based on DIS - Google Patents
The experiment syringe of three law of gas is probed into based on DIS Download PDFInfo
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- CN104882049B CN104882049B CN201510360935.5A CN201510360935A CN104882049B CN 104882049 B CN104882049 B CN 104882049B CN 201510360935 A CN201510360935 A CN 201510360935A CN 104882049 B CN104882049 B CN 104882049B
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Abstract
Probing into for three law of gas is completed by digital sensor, computer in order to more convenient, original syringe for being only used for probing into isothermal variation is improved.This will have following features based on the DIS experiment syringes for probing into three law of gas：（1）Want can to show the temperature of closed gas in piston when pressure measurement is strong；（2）It can realize constant volume；（3）It can realize constant pressure.This probes into the experiment of three law of gas with syringe by there is the syringe body of graduation mark to constitute based on DIS, it is characterised in that：The piston cylinder bottom inside of syringe is equipped with temperature-sensitive element；The piston cylinder bottom outside of syringe is equipped with the corresponding temperature sensor circuit interface that air pressure sensor interface is connected with by the synthermal sensor circuit of temperature-sensitive element；Piston cylinder is externally provided with one and the piston jacket casing of the concentric coaxial connected setting of piston cylinder, and a closed cavity is constituted between piston jacket casing and piston cylinder；Upper cover of piston rod has piston fixing sleeve；Piston handle is equipped with retaining ring.
Description
Technical field
The experiment syringe that three law of gas is probed into based on DIS belongs to Physical Experiment clothing arts.
Technical background
Present educational reforms advocate Inquiry Learning, and the scientific literacy of school is improved in Inquiry Learning.In object
Experimental Research is a kind of major way of Inquiry Learning during Neo-Confucianism is practised, and high school physics will probe into gas when taking as an elective course the study of 3-3 gases
Three law of body.Current experiment room provide equipment there are two main classes, one kind is old equipment, i.e., not by with multimedia tester
Material, second is that new equipment, is the experiment equipment based on various kinds of sensors generated with IT application in education sector, technicalization.New equipment
There is convenient, fast and accurate feature.However during the author does 3-3 gas experiments, gas three is being carried out using new equipment
When the Experimental Research of law, it is found that inventory only combines traditional disposable syringe and air pressure sensor only
For probing into wave horse law（That is the isothermal variation of gas）, and for Charles' law（The constant volume change of gas）And lid-Gay-Lussac
Law（The isobaric variation of gas）Then need the performance of the person's of teaching creativeness, experiment get up it is cumbersome, at limited classroom
Between Students ' probe into and get little, existing mating syringe is improved after the author's thinking, can be matched with syringe
The experiment of three law of gas can easily be probed by closing DIS.
In order to realize that above-mentioned improvement will make the experiment syringe for probing into three law of gas based on DIS have following spy
Point：（1）Want can to show the temperature of closed gas in piston when pressure measurement is strong；（2）It can realize constant volume, that is, wanting can be on demand
Fixed piston；（3）It can realize constant pressure.In order to make the experiment syringe for probing into three law of gas based on DIS have
Three above function, adopts the following technical scheme that.
Invention content
The experiment syringe of three law of gas is probed into based on DIS, the experiment syringe is by there is the injection of graduation mark
Device ontology is constituted, and the syringe body includes piston（4）, piston rod（5）, piston cylinder（9）；The piston rod（5）It is placed in work
Plug tube（9）One end be equipped with piston（4）；The piston rod（5）The other end be equipped with piston handle（7）；The piston handle（7）On set
There is retaining ring（8）；The piston rod（5）It is equipped with screw thread；The piston cylinder（9）Tube port position be equipped with screw thread；The piston cylinder（9）
Bottom inside is equipped with temperature-sensitive element（3）；Piston cylinder（9）Bottom outside is equipped with air pressure sensor interface（1）With by thermal element
Part（3）The corresponding temperature sensor circuit interface of synthermal sensor circuit connection（2）；Piston cylinder（9）Outside and piston cylinder（9）
It is connected and is equipped with piston jacket casing（11）, the piston cylinder（9）With piston jacket casing（11）Between constitute one independently of piston cavity
（13）Another closed cavity two；
It is characterized in that：
The piston cylinder（9）With piston jacket casing（11）Concentric coaxial connected setting；
The piston rod of the syringe（5）On be cased with piston fixing sleeve（6）, the piston fixing sleeve（6）By one and institute
State piston cylinder（9）The piston cover to match（14）And piston rod positioning sleeve（15）It constitutes；The piston cover（14）With it is described
Piston rod positioning sleeve（15）Coaxial setting forms a boss with one heart；The piston rod positioning sleeve（15）For a cylinder；It is described
The inside diameter of cylinder is equal to the piston rod（5）Diameter；The internal side wall of the cylinder is equipped with and the piston rod（5）On
The screw thread that screw thread matches；The piston cover（14）Internal side wall is equipped with and the piston cylinder（9）Nozzle screw thread match
Screw thread；
The piston jacket casing（11）It is upper to be respectively equipped with the first water filling port by two close end（10）With the second water filling port（12）, described
First water filling port（10）With second water filling port（12）It is connected and is arranged with closed cavity two；First water filling port（10）With
Second water filling port（12）It is hollow circuit cylinder；Rubber packing set is equipped on the hollow circuit cylinder.
The piston rod（5）Preferably cylinder.
The piston cover（14）Top edge be equipped with air hole；The air hole and the piston（4）, piston cylinder
（9）, piston rod（5）, piston fixing sleeve（6）The cavity of composition is connected；The outside of the air hole is communicated with air.
The piston rod positioning sleeve（15）Upper edge cylindrical barrel is set there are one groove；The piston cover（14）Top in
The heart is set there are one circular hole, and the circular hole is stuck in the piston rod positioning sleeve（15）On groove in.
Description of the drawings
Fig. 1：The structure chart of the experiment syringe of three law of gas is probed into based on DIS.
Fig. 2：Piston positioning sleeve（6）Amplification assumption diagram.
Corresponding component names in reference numeral：1-air pressure sensor interface, 2-temperature sensor circuit interfaces,
3-temperature-sensitive elements, 4-pistons, 5-piston rods, 6-piston fixing sleeves, 7-piston handles, 8-retaining rings, 9-piston cylinders, 10-
First water filling port, 11-piston jacket casings, the 12-the second water filling port, 13-piston cavities, 14-piston covers, 15-piston rods are fixed
Position set.
Specific implementation mode
The experiment syringe of three law of gas is probed into based on DIS, the experiment syringe is by there is the injection of graduation mark
Device ontology is constituted, and the syringe body includes piston（4）, piston rod（5）, piston cylinder（9）；The piston rod（5）It is placed in work
Plug tube（9）One end be equipped with piston（4）；The piston rod（5）The other end be equipped with piston handle（7）；The piston handle（7）On set
There is retaining ring（8）；The piston rod（5）It is equipped with screw thread；The piston cylinder（9）Tube port position be equipped with screw thread；The piston cylinder（9）
Bottom inside is equipped with temperature-sensitive element（3）；Piston cylinder（9）Bottom outside is equipped with air pressure sensor interface（1）With by thermal element
Part（3）The corresponding temperature sensor circuit interface of synthermal sensor circuit connection（2）；Piston cylinder（9）Outside and piston cylinder（9）
It is connected and is equipped with piston jacket casing（11）, the piston cylinder（9）With piston casing（11）One is constituted independently of piston cavity（13）
Another closed cavity two, one end of the closed cavity two is equipped with the first water filling port be connected with it；
It is characterized in that：
The piston cylinder（9）With piston jacket casing（11）Concentric coaxial connected setting；
The piston rod of the syringe（5）On be cased with piston fixing sleeve（6）, the piston fixing sleeve（6）By one and institute
State piston cylinder（9）The piston cover to match（14）And piston rod positioning sleeve（15）It constitutes；The piston cover（14）With it is described
Piston rod positioning sleeve（15）Coaxial setting forms a boss with one heart；The piston rod positioning sleeve（15）For a cylinder；It is described
The inside diameter of cylinder is equal to the piston rod（5）Diameter；The internal side wall of the cylinder is equipped with and the piston rod（5）On
The screw thread that screw thread matches；The piston cover（14）Internal side wall is equipped with and the piston cylinder（9）Nozzle screw thread match
Screw thread；
It is additionally provided with the second water filling port in the other end of the closed cavity two（12）；First water filling port（10）With second
Water filling port（12）It is hollow circuit cylinder；The hollow circuit cylinder is communicated with the closed cavity two；It is equipped on the hollow circuit cylinder
Rubber packing set.
The piston rod（5）Preferably cylinder.
The piston cover（14）Top edge be equipped with air hole；The air hole and the piston（4）, piston cylinder
（9）, piston rod（5）, piston fixing sleeve（6）The cavity of composition is connected；The outside of the air hole is communicated with air.
The piston rod positioning sleeve（15）On, it is set there are one groove along cylindrical circumference；The piston cover（14）Top
Center is set there are one circular hole, and the circular hole is stuck in the piston rod positioning sleeve（15）On groove in.
Probe into wave horse law（That is the isothermal variation of gas）：The experiment syringe of three law of gas will be probed into based on DIS
Temperature sensor circuit interface 2 and air pressure sensor interface 1 with data line with digital exploration experimental data collector
Connection, data collector are connect with computer, digital exploration experiment system are equipped on computer, using common software.Allow piston
Fixing sleeve 6 is detached from piston cylinder 9, slowly mobile piston rod 5, in the experiment injection for probing into three law of gas based on DIS
Corresponding volume is read on the scale of device, corresponding gas pressure intensity is read in the digital exploration system of computer, is so read more
Group data can be obtained with Excel processing corresponding datas in one timing of temperature, the relationship of pressure and volume.It can also allow piston
Fixing sleeve 6 is socketed with piston cylinder 9, then rotates piston positioning sleeve 15, because of piston positioning sleeve 15 and 5 thread contact of piston rod,
It can make the piston rod 5 that slow movement occur, such slow movement can be seen as isothermal change procedure.
If probe into it is different twice at a temperature of P-V curve differences, can by one in two water filling ports to
The water of different temperatures is injected in the closed cavity that the piston jacket casing 11 and piston cylinder 9 are constituted.It can be obtained by this way, not equality of temperature
The P-V curves of the lower isothermal variation of degree.
Probe into Charles' law（The constant volume change of gas）：Piston 4 is moved to certain position, then by piston fixing sleeve 6
It is tightened on the piston cylinder 9, constant volume has been achieved.Then it is used to the experiment for probing into three law of gas based on DIS
The water that different temperatures is injected in the closed cavity that the piston jacket casing 11 and piston cylinder 9 of syringe are constituted, from digital sensor
The middle temperature and pressure for recording corresponding sealing gas.Finally obtained data are drawn with Excel.It can be determined that and work as volume not
When change, the relationship of pressure and temperature.
Probe into lid-Lussac law（The isobaric variation of gas）：By the experiment for probing into three law of gas based on DIS
It is inverted and is fixed on iron stand vertically with syringe, piston fixing sleeve 6 is allowed to be detached from piston cylinder 9, the hook code of certain mass is hung
In the retaining ring 8, then to the piston jacket casing 11 of the experiment syringe for probing into three law of gas based on DIS
The water that different temperatures is injected in the closed cavity constituted with piston cylinder 9, records corresponding sealing gas from digital sensor
Temperature reads the volume of closed gas from scale value.Finally obtained data are drawn with Excel, it is possible to determine that work as pressure
When constant, the relationship of volume and temperature.
Claims (5)
1. probing into the experiment syringe of three law of gas based on DIS, the experiment syringe is by there is the syringe of graduation mark
Ontology is constituted, and the syringe body includes piston（4）, piston rod（5）, piston cylinder（9）；The piston rod（5）It is placed in piston
Cylinder（9）One end be equipped with piston（4）；The piston rod（5）The other end be equipped with piston handle（7）；The piston handle（7）It is equipped with
Retaining ring（8）；The piston rod（5）It is equipped with screw thread；The piston cylinder（9）Tube port position be equipped with screw thread；The piston cylinder（9）Bottom
Temperature-sensitive element is equipped on the inside of portion（3）；Piston cylinder（9）Bottom outside is equipped with air pressure sensor interface（1）With by temperature-sensitive element
（3）The corresponding temperature sensor circuit interface of synthermal sensor circuit connection（2）；Piston cylinder（9）Outside and piston cylinder（9）Gu
It is provided with piston jacket casing（11）, the piston cylinder（9）With piston jacket casing（11）Between constitute one independently of piston cavity
（13）Another closed cavity two；
It is characterized in that：
The piston cylinder（9）With piston jacket casing（11）Concentric coaxial connected setting；
The piston rod of the syringe（5）On be cased with piston fixing sleeve（6）, the piston fixing sleeve（6）By one and the work
Plug tube（9）The piston cover to match（14）And piston rod positioning sleeve（15）It constitutes；The piston cover（14）With the piston
Bar positioning sleeve（15）Coaxial setting forms a boss with one heart；The piston rod positioning sleeve（15）For a cylinder；The cylinder
Inside diameter be equal to the piston rod（5）Diameter；The internal side wall of the cylinder is equipped with and the piston rod（5）Upper screw thread
The screw thread to match；The piston cover（14）Internal side wall is equipped with and the piston cylinder（9）The matched spiral shell of nozzle screw thread
Line；
The piston jacket casing（11）It is upper to be respectively equipped with the first water filling port by two close end（10）With the second water filling port（12）, described first
Water filling port（10）With second water filling port（12）It is connected and is arranged with closed cavity two.
2. the experiment syringe according to claim 1 for probing into three law of gas based on DIS, it is characterised in that：It is described
First water filling port（10）With the second water filling port（12）It is hollow circuit cylinder；The hollow circuit cylinder is communicated with the closed cavity two；
Rubber packing set is equipped on the hollow circuit cylinder.
3. the experiment syringe according to claim 1 for probing into three law of gas based on DIS, it is characterised in that：It is described
Piston rod（5）For cylinder.
4. the experiment syringe according to claim 1 for probing into three law of gas based on DIS, it is characterised in that：It is described
Piston cover（14）Top edge be equipped with air hole；The air hole and the piston（4）, piston cylinder（9）, piston rod（5）,
Piston fixing sleeve（6）The cavity of composition is connected；The outside of the air hole is communicated with air.
5. the experiment syringe according to claim 1 for probing into three law of gas based on DIS, it is characterised in that：It is described
Piston rod positioning sleeve（15）Upper edge cylindrical barrel is set there are one groove；The piston cover（14）Top center set there are one circle
Hole, the circular hole are stuck in the piston rod positioning sleeve（15）On groove in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360935.5A CN104882049B (en) | 2015-06-26 | 2015-06-26 | The experiment syringe of three law of gas is probed into based on DIS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360935.5A CN104882049B (en) | 2015-06-26 | 2015-06-26 | The experiment syringe of three law of gas is probed into based on DIS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104882049A CN104882049A (en) | 2015-09-02 |
| CN104882049B true CN104882049B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510360935.5A Active CN104882049B (en) | 2015-06-26 | 2015-06-26 | The experiment syringe of three law of gas is probed into based on DIS |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105825749B (en) * | 2016-06-15 | 2019-06-14 | 威海泰华智能科技有限公司 | A kind of laboratory apparatus that probing into The Ideal-Gas Equation and operating method |
| CN110176169B (en) * | 2019-07-13 | 2024-02-06 | 沈向安 | Gas law experiment instrument |
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|---|---|---|---|---|
| US3824708A (en) * | 1972-12-26 | 1974-07-23 | Xerox Corp | Educational device |
| CN2068418U (en) * | 1989-12-21 | 1991-01-02 | 西南石油学院 | Batch liquid-removing apparatus for chemical test |
| CN2081554U (en) * | 1990-12-13 | 1991-07-24 | 广东省湛江市第一中学 | Gas law experiment apparatus |
| CN2456253Y (en) * | 2000-12-12 | 2001-10-24 | 肖毅 | Gas characteristics instrument |
| CN202771694U (en) * | 2012-10-11 | 2013-03-06 | 吴彦伯 | Gas pressure exploration teaching tool |
| CN204759849U (en) * | 2015-06-26 | 2015-11-11 | 沈向安 | Syringe is used in experiment based on DIS probes into three gaseous laws |
-
2015
- 2015-06-26 CN CN201510360935.5A patent/CN104882049B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824708A (en) * | 1972-12-26 | 1974-07-23 | Xerox Corp | Educational device |
| CN2068418U (en) * | 1989-12-21 | 1991-01-02 | 西南石油学院 | Batch liquid-removing apparatus for chemical test |
| CN2081554U (en) * | 1990-12-13 | 1991-07-24 | 广东省湛江市第一中学 | Gas law experiment apparatus |
| CN2456253Y (en) * | 2000-12-12 | 2001-10-24 | 肖毅 | Gas characteristics instrument |
| CN202771694U (en) * | 2012-10-11 | 2013-03-06 | 吴彦伯 | Gas pressure exploration teaching tool |
| CN204759849U (en) * | 2015-06-26 | 2015-11-11 | 沈向安 | Syringe is used in experiment based on DIS probes into three gaseous laws |
Non-Patent Citations (2)
| Title |
|---|
| 查理定律实验的改进;冉晓红;《物理实验》;20080831;第28卷(第8期);全文 * |
| 用DIS系统验证玻意耳定律实验的误差分析;崔卫国、徐锐;《物理实验》;20080930;第28卷(第9期);全文 * |
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| CN104882049A (en) | 2015-09-02 |
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