CN204925000U - Air adiabatic exponent testing experiment device - Google Patents
Air adiabatic exponent testing experiment device Download PDFInfo
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- CN204925000U CN204925000U CN201520694341.3U CN201520694341U CN204925000U CN 204925000 U CN204925000 U CN 204925000U CN 201520694341 U CN201520694341 U CN 201520694341U CN 204925000 U CN204925000 U CN 204925000U
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Abstract
The utility model discloses an air adiabatic exponent testing experiment device. The technical scheme who adopts mainly comprises laboratory bench body, ressure measurement system, temperature measuring system, control system, the laboratory bench body include the container to and relief valve, the admission valve of setting in the container upper end, the admission valve passes through the trachea to be connected with adjustable air pump, sets up the tolerance governing valve on the trachea, the ressure measurement system including set up being in the differential pressure table of container upper end, temperature measuring system include a temperature sensor, the 2nd temperature sensor and temperature display instrument, a temperature sensor, temperature display instrument install on the panel, the 2nd temperature sensor all install on the container, control system include power indicator, leakage protection switch, voltmeter, control switch, for the experimental apparatus provides the power, and control the experimental apparatus device through the operation.
Description
Technical field
The utility model relates to a kind of experimental provision being widely used in universities and colleges of undergraduate course's experimental teaching, is specially a kind of adiabatic exponent of air experimental apparatus for testing.
Background technology
At present, thermal technology's teachings and researches experimental provision used is all manual manipulating type, and can only carry out testing and studying under different personal errors, different people be difficult to obtain same data on same device.
Utility model content
In order to overcome above-mentioned technical defect, the utility model provides a kind of adiabatic exponent of air experimental apparatus for testing.
The technical scheme of employing of the present utility model is primarily of experiment table body, pressure-measuring system, temperature measurement system, control system composition;
Described experiment table body comprises container, and is arranged on blowdown valve, the gas admittance valve of container upper end, and described gas admittance valve is connected with adjustable air pump by tracheae, and tracheae arranges air volume regulating valve;
Described pressure-measuring system comprises the differential pressure gauge being arranged on described container upper end;
Described temperature measurement system comprises the first temperature sensor, the second temperature sensor and temperature indicator, and described first temperature sensor, temperature indicator are arranged on panel, and the second described temperature sensor is installed on container;
Described control system comprises power light, earth leakage circuit-breaker, voltage table, gauge tap, for experimental provision provides power supply, and is controlled experimental provision device by operation.
Described adiabatic exponent of air experimental apparatus for testing, is characterized in that: described container adopts transparent material to make.
Described adiabatic exponent of air experimental apparatus for testing, is characterized in that: described tracheae adopts PU tracheal cartilages.
Described adiabatic exponent of air experimental apparatus for testing, is characterized in that: described differential pressure gauge adopts accurate micro-differential pressure gauge.
Described adiabatic exponent of air experimental apparatus for testing, is characterized in that: the first described temperature sensor, the second temperature sensor adopt PT100 platinum resistance.
Described adiabatic exponent of air experimental apparatus for testing, is characterized in that: described adjustable air pump adopts super-silent adjustable air pump.
Compared with prior art, the advantage adopting the utility model of technique scheme to have is: the manual operation error solving system to a certain extent, and adopt precision instrument to measure experiment parameter, experiment effect is more accurate.The pipeline wherein adopted is PU tracheal cartilages mainly, both can bear certain air pressure, can supporting rapid-acting coupling use again, easy to connect.Student to observe in thermodynamic process air condition change and basic law by experiment, and grasps a kind of method measured air adiabatic and refer to (being) number, thus deepens the understanding of classroom institute being lectured to content, understands and knowwhy that consolidation has been learned and professional technique.Using method and the characteristic of accurate micromanometer and temperature sensor can also be understood in experiment.Be applicable to the experimental teaching of the correlated curriculum such as " Engineering Thermodynamics ", " thermal conduction study ", " pyrology ".
Accompanying drawing explanation
Fig. 1 is a kind of system flow structural drawing of the present utility model.
Embodiment
As shown in Figure 1, adiabatic exponent of air experimental apparatus for testing of the present utility model comprises experiment table, experiment table body, pressure-measuring system, temperature measurement system and control system five part composition.Described experiment table adopts the double-deck sub-light fine groove plastic-blasting structure of irony to design, and possess open feature, Major Systems device is arranged on laboratory table, comprises experiment table body, pressure-measuring system, temperature measurement system and control system four parts.
Described experiment table body comprises container 7, and is arranged on blowdown valve 4, the gas admittance valve 5 of container 7 upper end, and described gas admittance valve 5 is connected with adjustable air pump 3 by tracheae 10, and tracheae 10 arranges air volume regulating valve 8.Described pressure-measuring system comprises the differential pressure gauge 2 being arranged on described container 7 upper end, and it is mainly measured in real time to the pressure in container.Described temperature measurement system comprises the first temperature sensor 1, second temperature sensor 6 and temperature indicator 9.Described first temperature sensor 1, differential pressure gauge 2, air volume regulating valve 8, temperature indicator 9 are installed on the panel of electric cabinet, and the second described temperature sensor 6 is installed on container 7.
Described control system comprises power light, earth leakage circuit-breaker, voltage table, gauge tap, for experimental provision provides power supply, and is controlled experimental provision device by operation.
For optimizing such scheme further, described container 7 adopts transparent material to make, for test people more direct vision; Described tracheae 10 adopts PU tracheal cartilages, both can bear certain air pressure, can supporting rapid-acting coupling use again, easy to connect; Described differential pressure gauge 2 adopts accurate micro-differential pressure gauge, and experiment effect is more accurate; The first described temperature sensor 1, second temperature sensor 6 adopts PT100 platinum resistance, simultaneously the real-time experiments of measuring temperature of supporting temperature indicator and environment temperature, and experiment effect is more visual; Described adjustable air pump 3 adopts super-silent adjustable air pump to inflate transparent vessel, not only can regulate charge pressure accurately, also can save certain human resources.
The devices such as the PT100 platinum resistance that said system comprises, accurate micro-differential pressure gauge are exact instrument, by its reasonable disposition, optimal combination on this model, both the actual formation of test macro had been met, again for experiment adds good reliability and measuring accuracy, convenient operation training and system cognizant.
Finally, should be understood that, more than illustrate the utility model just illustrative, and it is nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits, many amendments, change or equivalent structure can be made, but all will fall within scope that claim of the present utility model can limit.
Claims (6)
1. an adiabatic exponent of air experimental apparatus for testing, is characterized in that: it is primarily of experiment table body, pressure-measuring system, temperature measurement system, control system composition;
Described experiment table body comprises container (7), and be arranged on blowdown valve (4), the gas admittance valve (5) of container (7) upper end, described gas admittance valve (5) is connected with adjustable air pump (3) by tracheae (10), and tracheae (10) arranges air volume regulating valve (8);
Described pressure-measuring system comprises the differential pressure gauge (2) being arranged on described container (7) upper end;
Described temperature measurement system comprises the first temperature sensor (1), the second temperature sensor (6) and temperature indicator (9), described first temperature sensor (1), temperature indicator (9) are arranged on panel, and described the second temperature sensor (6) is installed on container (7);
Described control system comprises power light, earth leakage circuit-breaker, voltage table, gauge tap, for experimental provision provides power supply, and is controlled experimental provision device by operation.
2. adiabatic exponent of air experimental apparatus for testing according to claim 1, is characterized in that: described container (7) adopts transparent material to make.
3. adiabatic exponent of air experimental apparatus for testing according to claim 1, is characterized in that: described tracheae (10) adopts PU tracheal cartilages.
4. adiabatic exponent of air experimental apparatus for testing according to claim 1, is characterized in that: described differential pressure gauge (2) adopts accurate micro-differential pressure gauge.
5. adiabatic exponent of air experimental apparatus for testing according to claim 1, is characterized in that: described the first temperature sensor (1), the second temperature sensor (6) adopt PT100 platinum resistance.
6. adiabatic exponent of air experimental apparatus for testing according to claim 1, is characterized in that: described adjustable air pump (3) adopts super-silent adjustable air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520694341.3U CN204925000U (en) | 2015-09-09 | 2015-09-09 | Air adiabatic exponent testing experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520694341.3U CN204925000U (en) | 2015-09-09 | 2015-09-09 | Air adiabatic exponent testing experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204925000U true CN204925000U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520694341.3U Active CN204925000U (en) | 2015-09-09 | 2015-09-09 | Air adiabatic exponent testing experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204925000U (en) |
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2015
- 2015-09-09 CN CN201520694341.3U patent/CN204925000U/en active Active
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