CN106952546A - Thermal generator principle demonstration teaching aid - Google Patents
Thermal generator principle demonstration teaching aid Download PDFInfo
- Publication number
- CN106952546A CN106952546A CN201710301040.3A CN201710301040A CN106952546A CN 106952546 A CN106952546 A CN 106952546A CN 201710301040 A CN201710301040 A CN 201710301040A CN 106952546 A CN106952546 A CN 106952546A
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- CN
- China
- Prior art keywords
- thermo
- electric generation
- water tank
- clamping plate
- heat conduction
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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
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Algebra (AREA)
- Power Engineering (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The present invention relates to the teaching aid technical field of teaching aid technical field, more particularly to demonstration explanation thermal generator principle.For demonstrating the knowledge such as explanation thermal generator principle.It is of the invention to be mainly made up of a support, a semiconductor temperature differential generating piece group, a cooling water tank, one piece of fastening heat conduction clamping plate, an ammeter, a voltmeter, two thermometers and part fasteners.The cold end face of wherein thermo-electric generation sheet group is mounted on the bottom surface of cooling water tank, the hot junction face of thermo-electric generation sheet group is mounted on fastening heat conduction clamping plate, the bottom surface of cooling water tank is fixedly connected with fastening heat conduction clamping plate using trip bolt, and thermo-electric generation sheet group geometrical clamp is between the bottom surface of cooling water tank and fastening heat conduction clamping plate.The basic structure and operation principle for illustrating thermal generator can be demonstrated to learner using the teaching aid.
Description
Technical field
The present invention relates to the teaching aid technical field of teaching aid technical field, more particularly to demonstration explanation thermal generator principle.
Background technology
Thermo-electric generation is a kind of generation of electricity by new energy form, illustrates the teaching aid of thermal generator principle also very currently used for demonstration
Lack.
The content of the invention
The present invention provides a kind of teaching aid for being used to demonstrate explanation thermal generator principle, is mainly used in saying to learner's demonstration
The operation principle of bright thermal generator, contributes to the study of the relevant knowledges such as thermo-electric generation.
It is of the invention main by a height-adjustable iron support（M）, one by 4 chip semiconductor thermo-electric generation sheets（R）
The generating piece group of composition, a cooling water tank（W）, one piece of fastening heat conduction clamping plate（H2）, a digital display type DC ammeter
（A）, a digital display type D.C. voltmeter（V）, a power switch（K）, two digital displaying temperature tables（T1、T2）And portion
Fastener is divided to constitute.The basic structure and operation principle for illustrating thermal generator can be demonstrated to learner using the teaching aid.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the thermal generator analog module structural representation of the embodiment of the present invention.
Fig. 3 is the cooling water tank schematic diagram of the embodiment of the present invention.
The cooling water tank base-fastening holes position view of Fig. 4 embodiment of the present invention.
The thermo-electric generation sheet group of Fig. 5 embodiment of the present invention fastens the fastener hole position view of heat conduction clamping plate.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
" M " is a main support made using stainless steel in Fig. 1, and the main support is main to strengthen bottom by two with stable
The scalable column of seat（F1、F2）, bracket stable strengthen connecting plate（E）, two are fixed on the stable reinforcement connecting plate of main support（E）
On Height Adjustable auxiliary stand（N1、N2）Constitute.
As shown in Fig. 2 the temperature-difference power generation module in the present embodiment is by 4 chip semiconductor thermo-electric generation sheets（R）Composition, in this reality
4 semiconductor temperature differential generating pieces in example are applied to connect using series arrangement；4 conductor thermo-electric generation sheets are horizontal stroke by the way of 2 × 2
Arranged to the mode of the row of 2 rows longitudinal direction 2.Four hair thermo-electric generation sheets cold end faces uniformly smear be mounted on after heat conductive insulating silicone grease it is cold
But water tank（W）Bottom surface (H1) on；Hot junction face, which is uniformly smeared, is mounted on thermo-electric generation sheet fastening heat conducting clamp after heat conductive insulating silicone grease
Plate（H2）On.Cooling water tank bottom surface (H1) fastens heat conduction clamping plate with thermo-electric generation sheet（H2）Utilize trip bolt（S）And fastener hole
（X1、X2、X3、X4、X2-1、X2-2、X2-3、X2-4）It is connected as an entirety, thermo-electric generation sheet is fixed on cooling water
Bottom face (H1) fastens heat conduction clamping plate with thermo-electric generation sheet（H2）Between, such cooling water tank, thermo-electric generation sheet group and fastening are led
Hot clamping plate together constitutes thermal generator analog module.As shown in Fig. 2 P1 is being connected to thermo-electric generation sheet group just by wire
Voltage output end, P2 is connected to the negative voltage output end of thermo-electric generation sheet group by wire.
As shown in Figures 3 and 4, cooling water tank in the present embodiment（W）Thickness is used to be made up of 3.0mm aluminum alloy materials, it is high
Spend for 20mm, inner bottom surface is 90mm × 90mm squares, and it is 90mm for 3.0mm specifications that cooling water tank bottom surface (H1), which uses thickness,
× 140mm aluminium alloy plates are made, and fastener hole is offered in cooling water tank bottom surface (H1) epitaxial part（X1、X2、X3、X4）, cold
But water inlet pipe is installed on water tank（L1）And outlet pipe（L2）.
As shown in figure 5, thermo-electric generation sheet fastens heat conduction clamping plate in the present embodiment（H2）The thickness is used to be for 3.0mm specification
180mm × 125mm aluminium alloy plates are made, and heat conduction clamping plate is fastened in thermo-electric generation sheet（H2）Upper correspondence cooling water tank base-fastening holes
（X1、X2、X3、X4）Offer fastener hole（X2-1、X2-2、X2-3、X2-4）.Heat conduction clamping plate is fastened in thermo-electric generation sheet（H2）On
It is further opened with being used for that thermo-electric generation sheet is fastened into heat conduction clamping plate（H2）Fixed to main support（M）On four fastener holes（Y1、Y2、
Y3、Y4）.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, thermo-electric generation sheet fastening heat conduction clamping plate（H2）Utilize trip bolt（S）It is logical
Cross fastener hole（Y1、Y2、Y3、Y4）It is fixed on the main support of stainless steel making（M）On.
As shown in figure 1, " K " is a power switch, " V " is a digital D.C. voltmeter, is connected across thermo-electric generation
Between the positive-negative output end of piece group, for the voltage condition produced by display thermo-electric generation sheet group in real time, " A " is one digital
DC ammeter and load lamp（G）Between series winding, the positive-negative output end for being serially connected in thermo-electric generation sheet group, for showing the temperature difference in real time
Current conditions produced by generating piece group.
As shown in figure 1, digital display type electrical thermometer（T1、T2）Temperature sense probe be mounted on cooling water tank respectively
（W）Inner bottom surface（H1）Heat conduction clamping plate is fastened with thermo-electric generation sheet（H2）On, for showing thermo-electric generation sheet group cold end in real time
The temperature in face and hot junction face.
In this implementation, DC ammeter（A）What is selected is numerical monitor DC ammeter, and measurement range is 0-10A, measurement
Precision is 1MA, D.C. voltmeter（V）What is selected is that measurement range is 0-100V, and measurement accuracy is 0.1V numerical monitor direct current
Voltmeter.Thermometer（T1、T2）Using embedded electronic digital display thermometer, -40 DEG C~+220 DEG C of temperature-measuring range, measurement accuracy ±
1 DEG C, measurement 0.1 DEG C of resolving accuracy, measurement input mode NTC temperature sensors.Load lamp（G）What is selected is that resistance is about 10
Ω, power is 6W incandescent lamp.What thermo-electric generation sheet was selected is F30345 type semiconductor temperature differential generating pieces, external form chi be 40mm ×
40mm × 3.8mm, 200 DEG C of tolerable temperature, 120 DEG C of maximum temperature difference, maximum generation voltage 5.2V, maximum short circuit current 1320MA,
Maximum power output about 1.35W when loading 10 Ω.
By cooling water tank when using（W）Water inlet pipe（L1）It is connected on running water or other cold water sources, opens simultaneously
Outlet pipe（L2）Make cooling water tank（W）Internal cooling water is circulated, can be by controlling water inlet water temperature and water circulating speed real
Now to the control of the cold end face temperature of thermo-electric generation sheet group；Control to the hot end face temperature of thermo-electric generation sheet group can utilize alcolhol burner
Or other thermals source are realized.As shown in figure 1, the regulation to main support (M) height can be realized by adjustable telescopic rod (F1, F2),
Height Adjustable auxiliary stand（N1、N2）, can be by adjusting auxiliary stand for laying alcolhol burner or other thermals source（N1、N2）
Height realize to heat source height regulation.
The mutually strain of generating voltage and electric current will be caused when control is adjusted to the cold and hot end face temperature of thermo-electric generation sheet group
Change, thermometer in the present embodiment（T1、T2）The hot and cold end face temperature of thermo-electric generation sheet group, DC ammeter are shown in real time（A）In real time
Show the situation of thermo-electric generation sheet group generation current, D.C. voltmeter（V）The feelings of thermo-electric generation sheet group generating voltage are shown in real time
Condition.When thermo-electric generation sheet group generating capacity（Generation current and voltage）When varying widely, load lamp（G）Brightness also will be same
Obvious change occurs for step.Can be by accomplished in many ways to thermo-electric generation sheet group cold end face and hot junction face using this set teaching aid
The control of temperature, and learner is dynamically observed thermo-electric generation sheet group cold end face and hot end face temperature and the change of two sides temperature difference
The change of generation current and voltage caused by changing.Contribute to the electricity generating principle and influence temperature of learner's intuitivism apprehension thermal generator
The various factors of poor electrical power generators ability, safe operation of the present invention is reliable, contributes to popularizing for scientific knowledge.
Claims (1)
1. a kind of thermal generator principle demonstration teaching aid, mainly by a support, semiconductor temperature differential generating piece group, one it is cold
But water tank, one piece of fastening heat conduction clamping plate, an ammeter, a voltmeter, two thermometers and part fasteners are constituted, and it is special
It is that the cold end face of thermo-electric generation sheet group is mounted on the bottom surface of cooling water tank to levy, and the hot junction face of thermo-electric generation sheet group is mounted on tightly
Gu on heat conduction clamping plate, the bottom surface of cooling water tank is fixedly connected with fastening heat conduction clamping plate using trip bolt, and thermo-electric generation sheet group is consolidated
Clamp is between the bottom surface of cooling water tank and fastening heat conduction clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301040.3A CN106952546A (en) | 2017-05-02 | 2017-05-02 | Thermal generator principle demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710301040.3A CN106952546A (en) | 2017-05-02 | 2017-05-02 | Thermal generator principle demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106952546A true CN106952546A (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710301040.3A Pending CN106952546A (en) | 2017-05-02 | 2017-05-02 | Thermal generator principle demonstration teaching aid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109272835A (en) * | 2018-11-23 | 2019-01-25 | 吉林大学 | Thermo-electric generation experimental provision |
-
2017
- 2017-05-02 CN CN201710301040.3A patent/CN106952546A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109272835A (en) * | 2018-11-23 | 2019-01-25 | 吉林大学 | Thermo-electric generation experimental provision |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170714 |