CN201413300Y - Liquid specific heat capacity measurement device - Google Patents
Liquid specific heat capacity measurement device Download PDFInfo
- Publication number
- CN201413300Y CN201413300Y CN2009200265990U CN200920026599U CN201413300Y CN 201413300 Y CN201413300 Y CN 201413300Y CN 2009200265990 U CN2009200265990 U CN 2009200265990U CN 200920026599 U CN200920026599 U CN 200920026599U CN 201413300 Y CN201413300 Y CN 201413300Y
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- resistance
- containers
- panel
- resistor
- specific heat
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Abstract
The utility model designs a high-precision liquid specific heat capacity measurement device. The technical scheme of the device is as follows: the device consists of thermometers, temperature contrastlines, a panel, containers, a resistor I, wiring terminals, a resistor II, liquid injection holes, a resistor III and fixing holes. The device is characterized in that the two fixing holes are respectively arranged on both sides of the lower part of the panel, the resistor II is arranged between the two fixing holes, both ends of the resistor II are respectively provided with a wiring terminal, the two containers are symmetrically arranged on the panel over the fixing holes, the resistor I and the resistor III are respectively arranged in the containers, both ends of the resistor I are respectively provided with a wiring terminal, both ends and the middle of the resistor III are respectively provided with a wiring terminal, the wiring terminals are arranged on the panel outside the containers, the upper parts of the containers are provided with the liquid injection holes, the thermometers with the same graduations are respectively arranged in the two containers, and the temperature contrast lines are arranged on the panel corresponding to the graduations of the thermometers.
Description
Technical field
The utility model relates to the teaching aid technical field, a kind of specific heat of liquid measurement mechanism of more specifically saying so.
Background technology
At present, two containers in parallel on the used specific heat of liquid measurement mechanism in laboratory, be that the same resistance of portion's insertion from container heats liquid, come the variation of indicated temperature with the lifting of the fluid column in the conduit, but, because the factors such as gas flow in the expanded by heating coefficient of different liquids, be heated vaporization coefficient and the container are very big to the lifting influence of fluid column, even cause that fluid column is excessive.Therefore, the specific heat capacity of the isopyknic liquid of contrast that it can only be rough can not accurately be measured.
Summary of the invention
For overcoming above-mentioned shortcoming, the utility model has designed a kind of accurately higher specific heat of liquid measurement mechanism, its technical scheme is: described specific heat of liquid measurement mechanism is by thermometer, the temperature line of correlation, panel, container, resistance I, binding post, resistance II, liquid injection hole, resistance III, fixed orifice is formed, it is characterized in that: the both sides, bottom of panel are provided with two fixed orifices respectively, between two fixed orifices resistance II is set, the two ends of resistance II are provided with a binding post respectively, be symmetrical arranged two containers on the panel on fixed orifice top, resistance I is set respectively in the container, resistance III, the two ends of resistance I are provided with a binding post respectively, the two ends of resistance III and centre are provided with a binding post respectively, binding post is arranged on the panel of container outside, the top of container is provided with liquid injection hole, a thermometer that scale is identical is set respectively in two containers, and on the corresponding panel of graduation of thermometer the temperature line of correlation is set.
Distance between described temperature line of correlation is 5mm.
All can connect between the described binding post with lead.
The utility model is simple in structure, easy to operate, can accurately measure specific heat of liquid.
Description of drawings:
Accompanying drawing is the utility model structural representation;
In the accompanying drawing, 1. thermometer, 2. temperature line of correlation, 3. panel, 4. container, 5. resistance I, 6. binding post, 7. resistance II, 8. liquid injection hole, 9. resistance III, 10. fixed orifice.
Embodiment
In conjunction with the accompanying drawings the utility model is described in further detail, so that the public grasps implementation method of the present utility model better, the concrete technical scheme of the utility model is:
Described specific heat of liquid measurement mechanism is by thermometer 1, temperature line of correlation 2, panel 3, container 4, resistance I5, binding post 6, resistance II7, liquid injection hole 8, resistance III9, fixed orifice 10 is formed, it is characterized in that: the both sides, bottom of panel 3 are provided with two fixed orifices 10 respectively, between two fixed orifices 10 resistance II7 is set, the two ends of resistance II7 are provided with a binding post 6 respectively, be symmetrical arranged two containers 4 on the panel 3 on fixed orifice 10 tops, resistance I5 is set respectively in the container 4, resistance III9, the two ends of resistance I5 are provided with a binding post 6 respectively, the two ends of resistance III9 and centre are provided with a binding post 6 respectively, binding post 6 is arranged on the panel 3 of container 4 outsides, the top of container 4 is provided with liquid injection hole 8, a thermometer 1 that scale is identical is set respectively in two containers 4, and on the corresponding panel 3 of thermometer 1 scale temperature line of correlation 2 is set.
The distance that described temperature line of correlation is 2 is 5mm.
All can connect between the described binding post 6 with lead.
Described resistance I, resistance II, resistance III resistance are 10 Ω.
During use, earlier the utility model is fixed on the support.
SPECIFIC HEAT CAPACITY:
From liquid injection hole 8 usefulness funnels to 4 li in two the containers water and the kerosene of quality such as injection respectively, with rubber stopper sealing liquid injection hole 8, allow two containers, 4 interior resistance I5, resistance III9 connect, with the 24V power supply its equivalence is heated, the registration situation of change of two thermometers 1 of observation, after reaching notable difference, cut off the electricity supply, can contrast the size of specific heat capacity or calculate the specific heat capacity numerical value of two kinds of liquid.
The checking of Joule law:
The relation of checking electric heating and electric current: to 4 li water that inject same amount of two containers,, connect with resistance III9 then resistance I5, resistance II7 parallel connection with lead, and be connected on the 36V power supply, observe the temperature change value of 4 li in two containers.
The relation of electric heating and resistance: to 4 li water that inject same amount of two containers, half of power taking resistance III9 connected with resistance I5, is connected on the 36V power supply, observes the temperature change value of 4 li in two containers.
The utility model is simple in structure, easy to operate, not only can accurately measure specific heat of liquid, and can verify Joule law.
Claims (3)
1. specific heat of liquid measurement mechanism, by thermometer (1), temperature line of correlation (2), panel (3), container (4), resistance I (5), binding post (6), resistance II (7), liquid injection hole (8), resistance III (9), fixed orifice (10) is formed, it is characterized in that: the both sides, bottom of panel (3) are provided with two fixed orifices (10) respectively, resistance II (7) is set between two fixed orifices (10), the two ends of resistance II (7) are provided with a binding post (6) respectively, be symmetrical arranged two containers (4) on the panel (3) on fixed orifice (10) top, resistance I (5) is set respectively in the container (4), resistance III (9), the two ends of resistance I (5) are provided with a binding post (6) respectively, the two ends of resistance III (9) and centre are provided with a binding post (6) respectively, binding post (6) is arranged on the panel (3) of container (4) outside, the top of container (4) is provided with liquid injection hole (8), a thermometer (1) that scale is identical is set respectively in two containers (4), and temperature line of correlation (2) is set on the corresponding panel of thermometer (1) scale (3).
2. specific heat of liquid measurement mechanism according to claim 1 is characterized in that the distance between described temperature line of correlation (2) is 5mm.
3. specific heat of liquid measurement mechanism according to claim 1 is characterized in that the resistance of described resistance I (5), resistance II (7), resistance III (9) is 10 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200265990U CN201413300Y (en) | 2009-06-04 | 2009-06-04 | Liquid specific heat capacity measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200265990U CN201413300Y (en) | 2009-06-04 | 2009-06-04 | Liquid specific heat capacity measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413300Y true CN201413300Y (en) | 2010-02-24 |
Family
ID=41715183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200265990U Expired - Fee Related CN201413300Y (en) | 2009-06-04 | 2009-06-04 | Liquid specific heat capacity measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413300Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213665A (en) * | 2011-03-29 | 2011-10-12 | 王尚清 | Driving model testing device for measuring thermodynamic parameters of four thermodynamic processes and using method thereof |
| CN103837567A (en) * | 2014-02-25 | 2014-06-04 | 浙江大学 | Liquid specific heat capacity measuring device capable of realizing self-balanced pressurization and measuring method |
| CN104730106A (en) * | 2015-04-02 | 2015-06-24 | 中国工程物理研究院总体工程研究所 | Liquid constant pressure specific heat measurement device |
| CN105021648A (en) * | 2015-07-21 | 2015-11-04 | 浙江大学 | Heat exchange-reduction self-balance compression-type liquid specific heat capacity measurement device and method |
-
2009
- 2009-06-04 CN CN2009200265990U patent/CN201413300Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213665A (en) * | 2011-03-29 | 2011-10-12 | 王尚清 | Driving model testing device for measuring thermodynamic parameters of four thermodynamic processes and using method thereof |
| CN102213665B (en) * | 2011-03-29 | 2016-06-29 | 王尚清 | A kind of driving model test device measuring four big thermal procession thermodynamic parameters and the method using device |
| CN103837567A (en) * | 2014-02-25 | 2014-06-04 | 浙江大学 | Liquid specific heat capacity measuring device capable of realizing self-balanced pressurization and measuring method |
| CN103837567B (en) * | 2014-02-25 | 2016-01-20 | 浙江大学 | The liquid specific heat capacity measurement device of energy self-equilibrating pressurization and method |
| CN104730106A (en) * | 2015-04-02 | 2015-06-24 | 中国工程物理研究院总体工程研究所 | Liquid constant pressure specific heat measurement device |
| CN104730106B (en) * | 2015-04-02 | 2017-03-15 | 中国工程物理研究院总体工程研究所 | A kind of liquid specific heat at constant pressure measurement apparatus |
| CN105021648A (en) * | 2015-07-21 | 2015-11-04 | 浙江大学 | Heat exchange-reduction self-balance compression-type liquid specific heat capacity measurement device and method |
| CN105021648B (en) * | 2015-07-21 | 2017-07-21 | 浙江大学 | A kind of self-balancing pressurized liquid specific heat capacity measurement apparatus and method for reducing heat exchange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20110604 |