CN201345180Y - Demonstration instrument for power generation through thermoelectric effect - Google Patents
Demonstration instrument for power generation through thermoelectric effect Download PDFInfo
- Publication number
- CN201345180Y CN201345180Y CNU2009200678828U CN200920067882U CN201345180Y CN 201345180 Y CN201345180 Y CN 201345180Y CN U2009200678828 U CNU2009200678828 U CN U2009200678828U CN 200920067882 U CN200920067882 U CN 200920067882U CN 201345180 Y CN201345180 Y CN 201345180Y
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- hot water
- heat sink
- thermoelectric effect
- water basin
- runner
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Abstract
The utility model relates to a teaching-use experimental instrument, which particularly relates to a demonstration instrument for power generation through thermoelectric effect. The demonstration instrument comprises a heat-dissipating plate, a semiconductor refrigerating sheet, a crate, a light emitting diode (LED), a small bulb, a temperature measurer, a runner, a temperature sensor and a hot water basin; the semiconductor refrigerating sheet is positioned above the heat-dissipating plate; the hot water basin is placed above the semiconductor refrigerating sheet; a support is arranged on one side of the heat-dissipating plate; the crate is fixed above the support through a strut; the LED, the runner, the small bulb, an internal transfer switch, an inner/outer access switch and an external socket are arranged on a panel of the crate; the semiconductor refrigerating sheet is connected with the rubber, the LED and the small bulb respectively through the internal transfer switch; a positioning block is arranged below a base seat of a measured object, so as to prevent the base seat from moving or being placed reversely; the upper part of the positioning block is used for placing the measured object; the temperature measurer is connected with the temperature sensor; and one end of the temperature sensor is inserted into hot water in the hot water basin. The demonstration instrument has the advantages of simple structure, low cost and good teaching effect.
Description
Technical field
The utility model relates to a kind of experimental apparatus of the usefulness of imparting knowledge to students, and is specifically related to a kind of thermoelectric effect electrification demonstration instrument.
Background technology
Difference of temperature is found by roentgen Seebeck (Seebeck).When the metal of two kinds of different materials interconnects from beginning to end, make two ends be in the different temperatures place, then just there is electric current to produce in the loop.Economic development along with various countries heightens to energy demand.Perhaps utilize the seawater temperature difference (or human body heat energy etc.) generating also can look like sun power, wind energy becomes the petroleum-based energy substitute.In order to allow the student understand thermoelectric effect, being necessary has a simple and easy thermoelectric effect electrification demonstration instrument in teaching.Also do not have demo content abundant at present, the demonstration effect is obvious, the thermoelectric effect electrification demonstration instrument that experimental provision is simple in structure.
Summary of the invention
The purpose of this utility model be obtain a kind of simple in structure, generating efficiency is high, demo content is abundant, demonstration outstanding effect thermoelectric effect demonstration test instrument.
The thermoelectric effect demonstration test instrument that the utility model proposes, by heat sink 2, conductor refrigeration sheet 3, cabinet 7, light emitting diode 10, miniature bulb 11, thermometer 15, runner 16, temperature sensor 17, hot water basin 19 forms, conductor refrigeration sheet 3 is positioned at heat sink 2 tops, hot water basin 19 is positioned over conductor refrigeration sheet 3 tops, heat sink 2 one sides are provided with support 4, cabinet 7 is fixed in support 4 tops by pillar 5, the panel of cabinet 7 is provided with light emitting diode 10, runner 16, locating piece 12, miniature bulb 11, in connect the conversion switch 9, inside/outside is connected switch 8 and external socket 6, and conductor refrigeration sheet 3 connects runner 16 respectively by the interior conversion switch 9 that connects, light emitting diode 10, miniature bulb 11; Cabinet 7 tops are provided with locating piece 12, and locating piece 12 tops are used to place measured object 14; Thermometer 15 connects temperature sensor 17, in the hot water 18 in the temperature sensor 17 1 ends insertion hot water basin 19.
In the utility model, when inside/outside connection switch 8 places overside, connect measured objects 14 by external socket 6.
In the utility model, when inside/outside connection switch 8 places home record, by interior conversion switch 9 switching light emitting diodes 10, runner 16, the miniature bulb 11 of connecing.
In the utility model, heat sink 2 is 3, and every heat sink 2 all is fixed on the heat sink stator 1.
In the utility model, the quantity of conductor refrigeration sheet 3 is identical with heat sink 2, is 3,3 series connection of conductor refrigeration sheet.
In the utility model, described measured object 14 can be in toy, radio, the fan etc. any.
In the utility model, during use, in the cold water 21 that heat sink 2 immerses in the cold water basin 20.
Improve thermoelectric effect demonstrator output voltage, this demonstrator adopts following measure
A) in order to prevent the heat transferred cold junction face because of the hot junction face, the cold junction face is rapidly heated, influences the temperature difference, added heat radiator on the face of conductor refrigeration sheet hot junction, help heat radiation, keeping cold and hot surface has the big temperature difference.
B) the conductor refrigeration sheet is connected in series.Improve output voltage.
C) heat radiator is submerged, to help the heat radiator quick heat radiating.Each heat radiator is uniformly-spaced placed, prevented that heat radiator from influencing each other because of heat radiation.
The utility model is made simple, draws materials easily.Because the Blast Furnace Top Gas Recovery Turbine Unit (TRT) water is as cooling, and the employing series-mounting.So the output voltage height, power is big, and the demonstration effect is obvious especially, and first with the toy play effect of generating electricity, vivid and interesting plays good especially demonstration effect in addition.Simultaneously, several hot water basins can increase and decrease control output voltage with day hot needs according to it is cold.
Description of drawings
Fig. 1 is the utility model electrical block diagram.
Fig. 2 is the utility model structural representation.
Number in the figure: the 1st, heat sink stator, the 2nd, heat sink, the 3rd, conductor refrigeration sheet, the 4th, the experiment instrument support, the 5th, cabinet pillar, the 6th, external socket, the 7th, cabinet, the 8th, inside/outside is connected switch, the 9th, in connect the conversion switch, the 10th, light emitting diode, the 11st, miniature bulb, the 12nd, locating piece, the 13rd, measured object base, the 14th, removable measured object (as toy, radio, small fan etc.), the 15th, thermometer, the 16th, runner, the 17th, temperature sensor, the 18th, hot water, the 19th, hot water basin, the 20th, cold water basin, the 21st, cold water.
Embodiment
Further specify the utility model below by embodiment.
Embodiment 1: following each parts are connected by mode shown in Figure 1, and these those skilled in the art all can smooth implementation.
The length of heat sink 2 is respectively 80 * 70 * 35mm, the length of cabinet 7 is respectively 200 * 110 * 75mm, hot water basin's 19 interior diameters are 56mm, height is 50mm, the length of cold water basin 20 is respectively 520 * 320 * 80mm, and whole experiment instrument length is respectively 220 * 180 * 250mm.
Adopt three chip semiconductor refrigerating sheets 3, each conductor refrigeration has for 3 times the 3 mutual series connection outputs of 2, three conductor refrigeration sheets of heat sink to be connected with light emitting diode 10, runner 16, miniature bulb 11 by the interior conversion switch 9 that connects.When inside/outside connection switch 8 is put overside, can connect measured object (as toy, radio, small fan etc.) by external socket 6.Measured object 14 is positioned on the measured object base 13, and measured object base 13 is fixed on the locating piece 12, and runner 16, miniature bulb 11, light emitting diode 10 all are installed on the panel of cabinet 7.Measured object 14 (as toy, radio, small fan) is installed on the top of cabinet 7.Hot water basin 19 is placed directly on the conductor refrigeration sheet 3.Whole experiment device is placed in the cold water basin 20, and heat sink 2 is immersed in the cold water 21 in the cold water basin 20.
The course of work of the present utility model is as follows:
This practical device is put into cold water basin 20, put into cold water 21 in the cold water basin 20, till submergence heat sink 2 (water surface of cold water is equal with heat sink 2).Three hot water basins 19 are placed on respectively on the three block semiconductor refrigerating sheets 3.Measured object 14 (as toy) is placed on the top of cabinet 7, and inside/outside is connected switch 8 and is put overside.From pouring out hot water in the thermos cup in hot water basin 19.Because of conductor refrigeration sheet 3 two sides are between hot water (hot junction) temperature and cold water (cold junction) temperature, conductor refrigeration sheet 3 two sides produce the temperature difference.Because thermoelectric effect, at this moment conductor refrigeration sheet 3 has electricity output, and output voltage makes toy work.Change radio and small fan, can hear the radio sounding, feel that small fan has powerful wind to go out.Connect switch 8 when inside/outside and put home record, by interior conversion switch 9 switching light emitting diodes 10, runner 16, the miniature bulb 11 of connecing.(water and the conductor refrigeration sheet 3 of hot water basin 19 bottoms are nearer owing to the hot water upper heat and lower cold in the hot water basin 19 when the generating of demonstration thermoelectric effect, because 3 pairs of water heat absorptions of conductor refrigeration sheet, can cause in the hot water basin water temperature difference everywhere, the i.e. temperature of the little water with the basin middle and upper part of the temperature of Di Bu water), the demonstration effect is affected.In experimentation, use the hot water of 19 li of the continuous heat of stirring basins of rod, make hot water basin's 19 water temperatures identical up and down.Also can show the temperature of hot water in the hot water basin and the temperature of cold water basin inner cold water respectively with electronic type thermometer 15.
Claims (6)
1, a kind of thermoelectric effect demonstrator, by heat sink (2), conductor refrigeration sheet (3), cabinet (7), light emitting diode (10), miniature bulb (11), thermometer (15), runner (16), temperature sensor (17) and hot water basin (19) form, it is characterized in that conductor refrigeration sheet (3) is positioned at heat sink (2) top, hot water basin (19) is positioned over conductor refrigeration sheet (3) top, heat sink (2) one sides are provided with experiment instrument support (4), cabinet (7) is fixed in experiment instrument support (4) top by cabinet pillar (5), the panel of cabinet (7) is provided with light emitting diode (10), runner (16), locating piece (12), miniature bulb (11), in connect the conversion switch (9), inside/outside is connected switch (8) and external socket (6), and conductor refrigeration sheet (3) connects runner (16) respectively by the interior conversion switch (9) that connects, light emitting diode (10), miniature bulb (11); Cabinet (7) top is provided with locating piece (12), and locating piece (12) top is used to place removable measured object (14); Thermometer (15) connects temperature sensor (17), and temperature sensor (17) one ends insert in the interior hot water (18) of hot water basin (19).
2, thermoelectric effect demonstrator according to claim 1 is characterized in that connecting switch (8) when placing overside when inside/outside, connects removable measured object (14) by external socket (6); When inside/outside is connected switch (8) when placing home record, connect miniature bulb (11), runner (16), light emitting diode (10) respectively by the interior conversion switch (9) that connects.
3, thermoelectric effect demonstrator according to claim 1 is characterized in that heat sink (2) is 3, and every heat sink (2) all is fixed on heat sink stator (1).
4, thermoelectric effect demonstrator according to claim 1 is characterized in that the quantity of conductor refrigeration sheet (3) is identical with heat sink (2), is 3, the series connection of 3 chip semiconductor refrigerating sheets (3).
5, thermoelectric effect demonstrator according to claim 1 is characterized in that described measured object (14) adopts in toy, radio or the fan any.
6, thermoelectric effect demonstrator according to claim 1, when it is characterized in that using, heat sink (2) immerses in the interior cold water (21) of cold water basin (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200678828U CN201345180Y (en) | 2009-02-19 | 2009-02-19 | Demonstration instrument for power generation through thermoelectric effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200678828U CN201345180Y (en) | 2009-02-19 | 2009-02-19 | Demonstration instrument for power generation through thermoelectric effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345180Y true CN201345180Y (en) | 2009-11-11 |
Family
ID=41276764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200678828U Expired - Fee Related CN201345180Y (en) | 2009-02-19 | 2009-02-19 | Demonstration instrument for power generation through thermoelectric effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345180Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768925A (en) * | 2014-12-25 | 2016-07-20 | 沈天琦 | Thermoelectric power generation barbecue oven |
| CN107452263A (en) * | 2017-09-21 | 2017-12-08 | 西华大学 | A kind of mthods, systems and devices of solar energy thermo-electric generation applied to science popularization demonstration |
| CN108597327A (en) * | 2018-05-09 | 2018-09-28 | 袁可 | Thermo-electric generation demonstrator |
-
2009
- 2009-02-19 CN CNU2009200678828U patent/CN201345180Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768925A (en) * | 2014-12-25 | 2016-07-20 | 沈天琦 | Thermoelectric power generation barbecue oven |
| CN107452263A (en) * | 2017-09-21 | 2017-12-08 | 西华大学 | A kind of mthods, systems and devices of solar energy thermo-electric generation applied to science popularization demonstration |
| CN108597327A (en) * | 2018-05-09 | 2018-09-28 | 袁可 | Thermo-electric generation demonstrator |
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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: 20091111 Termination date: 20120219 |