CN206774070U - Thermal generator principle demonstration teaching aid - Google Patents
Thermal generator principle demonstration teaching aid Download PDFInfo
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- CN206774070U CN206774070U CN201720474363.8U CN201720474363U CN206774070U CN 206774070 U CN206774070 U CN 206774070U CN 201720474363 U CN201720474363 U CN 201720474363U CN 206774070 U CN206774070 U CN 206774070U
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- China
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- thermo
- water tank
- electric generation
- clamping plate
- heat conduction
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Abstract
It the utility model is related 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.The utility model is 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 of explanation thermal generator can be demonstrated to learner using the teaching aid.
Description
Technical field
It the utility model is related to the teaching aid technology neck of teaching aid technical field, more particularly to demonstration explanation thermal generator principle
Domain.
Background technology
Thermo-electric generation is a kind of generation of electricity by new energy form, and the teaching aid currently used for demonstration explanation thermal generator principle is also very
Lack.
The content of the invention
The utility model provides a kind of teaching aid for being used to demonstrate explanation thermal generator principle, is mainly used in drilling to learner
Show the operation principle of explanation thermal generator, contribute to the study of the relevant knowledges such as thermo-electric generation.
The utility model is mainly by a height-adjustable iron support（M）, one by 4 chip semiconductor thermo-electric generation sheets
（R）The power generation sheet group of composition, a cooling water tank（W）, one piece of fastening heat conduction clamping plate（H2）, a digital display type DC current
Table（A）, a digital display type D.C. voltmeter（V）, a power switch（K）, two digital displaying temperature tables（T1、T2）And
Part fasteners are formed.The basic structure and operation principle of explanation 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 utility model embodiment.
Fig. 2 is the thermal generator analog module structural representation of the utility model embodiment.
Fig. 3 is the cooling water tank schematic diagram of the utility model embodiment.
The cooling water tank base-fastening holes position view of Fig. 4 the utility model embodiments.
The fastener hole position view of the thermo-electric generation sheet group fastening heat conduction clamping plate of Fig. 5 the utility model embodiments.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
" M " is a main support made using stainless steel in Fig. 1, and the main support mainly strengthens bottom by two with stable
The scalable column of seat（F1、F2）, bracket stable strengthen connecting plate（E）, two are fixed on main support and stably strengthen connecting plate（E）
On Height Adjustable auxiliary stand（N1、N2）Form.
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 i.e. horizontal by the way of 2 × 2
Arranged to the mode of the row of 2 rows longitudinal direction 2.The cold end faces of four hair thermo-electric generation sheets 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 is mounted on thermo-electric generation sheet fastening heat conducting clamp after uniformly smearing heat conductive insulating silicone grease
Plate（H2）On.Cooling water tank bottom surface (H1) and thermo-electric generation sheet fastening heat conduction clamping plate（H2）Utilize trip bolt（S）And fastener hole
（X1、X2、X3、X4、X2-1、X2-2、X2-3、X2-4）It is connected and is fixed on cooling water for an entirety, thermo-electric generation sheet
Bottom face (H1) and thermo-electric generation sheet fastening heat conduction clamping plate（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 are 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 for 3.0mm specifications is 90mm 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
Water inlet pipe is but 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 corresponding 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 to thermo-electric generation sheet fastening 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 voltage condition caused by real-time display thermo-electric generation sheet group, " A " is one digital
DC ammeter and load lamp（G）Series winding, is serially connected between the positive-negative output end of thermo-electric generation sheet group, for the real-time display temperature difference
Current conditions caused by power generation sheet 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 real-time display thermo-electric generation sheet group cold end
The temperature in face and hot junction face.
In this implementation, DC ammeter（A）What is selected is numerical monitor DC ammeter, measurement range 0-10A, is measured
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 are 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 during use（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 real-time display thermo-electric generation sheet group, DC ammeter（A）In real time
Show the situation of thermo-electric generation sheet group generation current, D.C. voltmeter（V）The feelings of real-time display thermo-electric generation sheet group generating voltage
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 caused by change and voltage.Contribute to the electricity generating principle of learner's intuitivism apprehension thermal generator and influence temperature
The various factors of poor electrical power generators ability, the utility model safe operation is reliable, contributes to popularizing for scientific knowledge.
Claims (1)
1. a kind of thermal generator principle demonstration teaching aid, mainly by a support, a 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 formed, and it is special
Sign is that the cold end face of thermo-electric generation sheet group is mounted on the bottom surface of cooling water tank, 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 |
|---|---|---|---|
| CN201720474363.8U CN206774070U (en) | 2017-05-02 | 2017-05-02 | Thermal generator principle demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720474363.8U CN206774070U (en) | 2017-05-02 | 2017-05-02 | Thermal generator principle demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774070U true CN206774070U (en) | 2017-12-19 |
Family
ID=60648919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720474363.8U Expired - Fee Related CN206774070U (en) | 2017-05-02 | 2017-05-02 | Thermal generator principle demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206774070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597327A (en) * | 2018-05-09 | 2018-09-28 | 袁可 | Thermo-electric generation demonstrator |
| US20220344560A1 (en) * | 2021-04-23 | 2022-10-27 | Shenzhen Afu Intelligent Internet Technology Co., Ltd. | Thermoelectric Power Generation Structure and Temperature Measuring Sensor |
-
2017
- 2017-05-02 CN CN201720474363.8U patent/CN206774070U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597327A (en) * | 2018-05-09 | 2018-09-28 | 袁可 | Thermo-electric generation demonstrator |
| US20220344560A1 (en) * | 2021-04-23 | 2022-10-27 | Shenzhen Afu Intelligent Internet Technology Co., Ltd. | Thermoelectric Power Generation Structure and Temperature Measuring Sensor |
| US11871669B2 (en) * | 2021-04-23 | 2024-01-09 | Shenzhen Afu Intelligent Internet Technology Co., Ltd. | Thermoelectric power generation structure and temperature measuring sensor |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20180502 |
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| CF01 | Termination of patent right due to non-payment of annual fee |