CN210223219U - Thermal circulation demonstrator - Google Patents
Thermal circulation demonstrator Download PDFInfo
- Publication number
- CN210223219U CN210223219U CN201822251960.1U CN201822251960U CN210223219U CN 210223219 U CN210223219 U CN 210223219U CN 201822251960 U CN201822251960 U CN 201822251960U CN 210223219 U CN210223219 U CN 210223219U
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- CN
- China
- Prior art keywords
- box body
- thermal circulation
- semiconductor refrigerating
- switch
- sheet
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Abstract
The thermal circulation demonstrator comprises a bottom plate, wherein a transparent first box body and a transparent second box body are sequentially arranged on the top surface of the bottom plate from left to right, colored cigarettes are placed in the second box body, a semiconductor refrigerating sheet is fixedly arranged on the inner wall of the bottom surface of the first box body, a heating sheet is fixedly arranged on the inner wall of the bottom surface of the second box body, and the first box body and the second box body are fixedly connected through two transverse pipes and are communicated with each other; the equal fixed mounting thermometer in front of first box and second box, the equal fixed temperature probe of top surface of semiconductor refrigeration piece and the top surface of heating plate, temperature probe all through wire and corresponding thermometer circuit connection. The water in the water bottle can take away the heat at the hot end of the semiconductor refrigerating piece after circulating around the hot end of the semiconductor refrigerating piece, so that the hot end of the semiconductor refrigerating piece is kept below zero. The device can clearly show the thermal circulation in the moving direction of the colored smoke, so that students can more intuitively know the thermal circulation help, and the device is convenient for teachers to teach.
Description
Technical Field
The utility model belongs to the teaching equipment field, specifically speaking are thermal circulation demonstration ware.
Background
Thermodynamic circulation is the simplest form of atmospheric motion, due to the non-uniform distribution of solar radiant energy in dimensions
The air circulation formed by the cold and hot unevenness of the floor surface. The forming process comprises the following steps: the atmosphere in the heated area expands and rises, low air pressure is formed near the ground, and high air pressure is formed at high altitude; the cold areas are opposite, so that air pressure difference is formed on the horizontal plane close to the ground and in the high altitude, the horizontal movement of the atmosphere is promoted, and thermal circulation of the high altitude and the low altitude is formed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a thermal circulation demonstrator, which is used for solving the defects in the prior art.
The utility model discloses a following technical scheme realizes:
the thermal circulation demonstrator comprises a bottom plate, wherein a transparent first box body and a transparent second box body are sequentially arranged on the top surface of the bottom plate from left to right, colored cigarettes are placed in the second box body, a semiconductor refrigerating sheet is fixedly arranged on the inner wall of the bottom surface of the first box body, a heating sheet is fixedly arranged on the inner wall of the bottom surface of the second box body, and the first box body and the second box body are fixedly connected through two transverse pipes and are communicated with each other; the front surfaces of the first box body and the second box body are fixedly provided with thermometers, the top surfaces of the semiconductor refrigerating sheets and the heating sheets are fixedly provided with temperature probes, the temperature probes are connected with corresponding thermometers through wires in a circuit mode, the inner wall of the top surface of the bottom plate is fixedly provided with a water bottle, a water pump is fixedly arranged in the water bottle, one end of a water pipe is fixedly arranged at a water outlet of the water pump, the lower part of the right side surface of the first box body is provided with two transverse through holes, the other end of the water pipe sequentially penetrates out of the water bottle and the through hole above the water pipe and winds around the hot end of the semiconductor refrigerating sheet and then penetrates out of the through hole below the, an electric lamp is fixedly arranged in the second box body and the two transverse pipes, a first switch and a second switch are fixed in front of the bottom plate, the first switch is positioned on the left side of the second switch, the first switch controls the semiconductor refrigeration piece to be opened, and the second switch controls the PTC heating piece to be opened.
The thermal circulation demonstrator is characterized in that the first box body and the second box body are acrylic boxes.
In the thermal circulation demonstrator, the heating plate adopts a positive temperature coefficient thermistor.
As for the thermal circulation demonstrator, the electric lamp is an LED electric lamp.
As described above for the thermal circulation demonstrator, the temperature probe is an ntc temperature sensor probe.
The thermal circulation demonstrator is characterized in that the water pipe is wound on the hot end of the semiconductor refrigeration sheet in a snake shape.
The utility model has the advantages that: this device opens the semiconductor refrigeration piece and opens the start-up water pump when heating plate through the second switch through first switch when using, the start-up of water pump leads to the water in the water-jug and winds the hot junction circulation of semiconductor refrigeration piece through the water pipe, meanwhile, temperature probe gives the thermometer with the temperature transfer on the semiconductor refrigeration piece of measuring and the heating plate, the thermometer shows the real-time temperature on semiconductor refrigeration piece and the heating plate according to the data display of temperature probe transmission, then open the electric light, and observe first box, the second box and violently manage the direction of motion of interior various cigarette, thereby know the thermal power circulation phenomenon. The water in the water bottle can take away the heat at the hot end of the semiconductor refrigerating piece after circulating around the hot end of the semiconductor refrigerating piece, so that the hot end of the semiconductor refrigerating piece is kept below zero. The device can clearly show the thermal circulation in the moving direction of the colored smoke, so that students can more intuitively know the thermal circulation help, and the device is convenient for teachers to teach.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is an enlarged view of a portion I of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The thermal circulation demonstrator comprises a bottom plate 1, wherein a transparent first box body 2 and a transparent second box body 3 are sequentially arranged on the top surface of the bottom plate 1 from left to right, colored smoke is placed in the second box body 3, a semiconductor refrigerating sheet 4 is fixedly arranged on the inner wall of the bottom surface of the first box body 2, a heating sheet 7 is fixedly arranged on the inner wall of the bottom surface of the second box body 3, and the first box body 2 and the second box body 3 are fixedly connected through two transverse pipes 5 and are communicated with each other; the front of the first box body 2 and the front of the second box body 3 are fixedly provided with thermometers 6, the top surface of the semiconductor refrigerating sheet 4 and the top surface of the heating sheet 7 are fixedly provided with temperature probes 8, the temperature probes 8 are respectively connected with the corresponding thermometers 6 through wires in a circuit mode, the inner wall of the top surface of the bottom plate 1 is fixedly provided with a water bottle 9, a water pump 10 is fixedly arranged in the water bottle 9, a water outlet of the water pump 10 is fixedly provided with one end of a water pipe 11, the lower part of the right side surface of the first box body 2 is provided with two transverse through holes 12, the other end of the water pipe 11 sequentially penetrates out of the water bottle 9, the upper through hole 12 is wound around the hot end of the semiconductor refrigerating sheet 4 and penetrates out of the lower through hole 12, the water pipe is fixedly connected with and communicated with the inside of the water bottle 9, the first box body 2, the second box body 3 and the two transverse pipes 5 are fixedly provided with an electric lamp 13, the first switch 14 controls the opening of the semiconductor chilling plate 4, and the second switch 15 controls the opening of the PTC heating plate 7. When the device is used, the semiconductor refrigerating sheet 4 is opened through the first switch 14, the heating sheet 7 is opened through the second switch 15, the water pump 10 is started, water in the water bottle 9 circulates around the hot end of the semiconductor refrigerating sheet 4 through the water pipe 11 when the water pump 10 is started, meanwhile, the temperature probes 8 transmit the measured temperatures of the semiconductor refrigerating sheet 4 and the heating sheet 7 to the thermometers 6, the thermometers 6 display the real-time temperatures of the semiconductor refrigerating sheet 4 and the heating sheet 7 according to data transmitted by the temperature probes 8, then the electric lamps 13 are started, the moving directions of colored smoke in the first box body 1, the second box body 2 and the transverse pipe 5 are observed, and therefore the thermal circulation phenomenon is known. Wherein, the water in the water bottle 9 can take away the heat of the hot end of the semiconductor refrigerating piece 4 after circulating around the hot end of the semiconductor refrigerating piece 4, thereby keeping the hot end of the semiconductor refrigerating piece 4 below zero. The device can clearly show the thermal circulation in the moving direction of the colored smoke, so that students can more intuitively know the thermal circulation help, and the device is convenient for teachers to teach.
Specifically, as shown in fig. 1, the first case 2 and the second case 3 according to the present embodiment are acryl cases. The acrylic material is crystal clear, has high finish, has great texture and good transmittance, and is suitable for observation of the device.
Specifically, as shown in fig. 1, the heating sheet 7 according to the present embodiment employs a positive temperature coefficient thermistor. The positive temperature coefficient thermistor has the advantages of small volume, high sensitivity, wide working range and convenient use, and is suitable for the device.
Further, for the convenience of observation, the electric lamp 13 described in this embodiment is an LED electric lamp. When the LED electric lamp is used, electric energy is saved, and meanwhile, brighter light is emitted.
Further, as shown in fig. 1, the temperature probe 8 according to the present embodiment employs an ntc temperature sensor probe. ntc the temperature sensor probe has the advantages of high precision, high sensitivity, strong anti-interference performance and the like, and is suitable for being used in the device.
Furthermore, as shown in fig. 1, the water pipe 11 of this embodiment is wound in a serpentine shape around the hot end of the semiconductor chilling plate 4. The water pipe 11 is wound on the hot end of the semiconductor refrigerating sheet 4 in a snake shape, so that the contact area between the hot end of the semiconductor refrigerating sheet 4 and the water pipe can be increased, and heat dissipation is increased.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. Thermal circulation demonstrator, its characterized in that: the colored smoke-free heating device comprises a bottom plate (1), wherein a transparent first box body (2) and a transparent second box body (3) are sequentially arranged on the top surface of the bottom plate (1) from left to right, colored smoke is placed in the second box body (3), a semiconductor refrigerating sheet (4) is fixedly arranged on the inner wall of the bottom surface of the first box body (2), a heating sheet (7) is fixedly arranged on the inner wall of the bottom surface of the second box body (3), and the first box body (2) and the second box body (3) are fixedly connected through two transverse pipes (5) and are communicated with each other; thermometers (6) are fixedly installed in front of the first box body (2) and the second box body (3), temperature probes (8) are fixedly installed on the top surfaces of the semiconductor refrigerating sheet (4) and the heating sheet (7), the temperature probes (8) are in circuit connection with the corresponding thermometers (6) through wires, a water bottle (9) is fixedly installed on the inner wall of the top surface of the bottom plate (1), a water pump (10) is fixedly installed in the water bottle (9), one end of a water pipe (11) is fixedly installed at a water outlet of the water pump (10), two transverse through holes (12) are formed in the lower portion of the right side surface of the first box body (2), the other end of the water pipe (11) sequentially penetrates out of the water bottle (9), the upper through hole (12) is wound around the hot end of the semiconductor refrigerating sheet (4) and penetrates out of the lower through hole (12) and is fixedly connected with and communicated with the inner portion of the left end of the water bottle (9), an electric lamp (13) is fixedly installed in the first box body, a first switch (14) and a second switch (15) are fixed in front of the bottom plate (1), the first switch (14) is located on the left side of the second switch (15), the first switch (14) controls the opening of the semiconductor refrigeration sheet (4), and the second switch (15) controls the opening of the PTC heating sheet (7).
2. A thermal circulation demonstrator according to claim 1 wherein: the first box body (2) and the second box body (3) adopt an acrylic box.
3. A thermal circulation demonstrator according to claim 1 wherein: the heating sheet (7) adopts a positive temperature coefficient thermistor.
4. A thermal circulation demonstrator according to claim 1 wherein: the electric lamp (13) adopts an LED electric lamp.
5. A thermal circulation demonstrator according to claim 1 wherein: the temperature probe (8) adopts an ntc temperature sensor probe.
6. A thermal circulation demonstrator according to claim 1 wherein: the water pipe (11) is wound on the hot end of the semiconductor refrigerating sheet (4) in a snake shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251960.1U CN210223219U (en) | 2018-12-29 | 2018-12-29 | Thermal circulation demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822251960.1U CN210223219U (en) | 2018-12-29 | 2018-12-29 | Thermal circulation demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223219U true CN210223219U (en) | 2020-03-31 |
Family
ID=69914235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822251960.1U Expired - Fee Related CN210223219U (en) | 2018-12-29 | 2018-12-29 | Thermal circulation demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223219U (en) |
-
2018
- 2018-12-29 CN CN201822251960.1U patent/CN210223219U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |