CN212181774U - Experimental device for verifying seasonal temperature variation - Google Patents
Experimental device for verifying seasonal temperature variation Download PDFInfo
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- CN212181774U CN212181774U CN202021273705.8U CN202021273705U CN212181774U CN 212181774 U CN212181774 U CN 212181774U CN 202021273705 U CN202021273705 U CN 202021273705U CN 212181774 U CN212181774 U CN 212181774U
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Abstract
A seasonal temperature change verification tester comprises a frame, wherein the frame is internally divided into at least two layers of cavities through partition plates, a heat insulation plate is arranged at the rear part of the frame, a spotlight is arranged in each layer of cavity, a light shielding plate is arranged on the back surface of the spotlight, a heated plate is arranged in front of the spotlight, the heated plate is arranged on a rotating shaft, the rotating shaft is connected to the frame, a temperature measuring element is arranged on the heated plate, and the temperature measuring element is connected with a temperature sensor. The temperature sensor is connected with the data acquisition unit, and the data acquisition unit is connected with the computer. The experimental device is simple in structure and easy to operate, solar radiation is simulated by the spotlight, the heated board is irradiated, only the temperature sensor is required to be connected, the angle of the heated board is adjusted, the relation between the incident angle of the light source and the temperature change of an object can be measured by turning on the power supply, and the relation between the sunlight irradiation angle and the temperature in seasonal changes can be intuitively sensed by students.
Description
Technical Field
The utility model relates to an experimental apparatus that is arranged in primary school's teaching to carry out verification to the relation between temperature variation and sunshine illumination angle in each season of spring, summer, autumn and winter belongs to season transform verification experiment technical field.
Background
The primary school teaching has the requirements of carrying out verification experiments in four seasons of spring, summer, autumn and winter, the four-season cause is caused by direct and oblique incidence of the sun relative to the south and north hemispheres according to the teaching material requirements, the direct and oblique incidence of the sunlight determines the quantity of heat obtained by the area, and the climate characteristics of the four seasons can be distinguished.
The existing four-season verification experiment device has the problems of simple and crude material, long experiment time, unobvious experiment effect, non-conformity to experiment teaching requirements and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of current season verification experiment technique existence, provide a simple structure, easily operation verifies the season temperature variation verification experiment ware that the effect is directly perceived good.
The utility model discloses a season temperature variation verifies experimental apparatus adopts following technical scheme:
the experimental device comprises a frame, wherein the frame is internally divided into at least two layers of cavities, a spotlight is arranged in each layer of cavity, a heated plate is arranged in front of the spotlight, the heated plate is arranged on a rotating shaft, the rotating shaft is connected to the frame, a temperature measuring element is arranged on the heated plate, and the temperature measuring element is connected with a temperature sensor.
The frame is internally separated into cavities through heat insulation plates, so that the layers are not influenced by each other.
And a light screen is arranged at the rear part of the frame.
The inner cavity of the frame is 2-4 layers which are arranged up and down.
The back of the spotlight is provided with a shading plate.
The frame is provided with angle marks on the periphery of the rotating shaft, the rotating shaft is provided with angle indicating needles, and the inclination angle of the heated plate can be determined according to the angle positions on the angle indicating boards indicated by the angle indicating needles.
The temperature sensor is connected with a computer.
The experimental device simulates solar radiation by using a spotlight, receives heat by using a heated plate, adjusts the angle of the heated plate, is used for representing the direct or oblique incidence relation between sunlight and the earth in four seasons, and displays the amount of absorbed heat by using temperature. The light shielding plate needs to be finely adjusted before the experiment, so that the light shielding plate can effectively shield light; and adjusting the heated plate to a proper angle according to the pointer indication.
The experimental device is simple in structure and easy to operate, solar radiation is simulated by the spotlight, the heated plate is irradiated, only the temperature sensor is required to be connected, the angle of the heated plate is adjusted, the relation between the incident angle of the light source and the temperature change of an object can be measured by turning on the power supply, and the relation between the sunlight irradiation angle and the temperature in seasonal changes can be intuitively sensed by students.
Drawings
Fig. 1 is a schematic view of the structural principle of the experimental device for verifying seasonal temperature variation.
In the figure: 1. the device comprises a frame, 2 parts of a spotlight fixing seat, 3 parts of a spotlight, 4 parts of a rotating shaft, 5 parts of a light screen, 6 parts of a support, 7 parts of a thermal insulation plate, 8 parts of a three-in-one temperature sensor, 9 parts of a heated plate, 10 parts of an angle mark, 11 parts of an angle indicator and 12 parts of a computer.
Detailed Description
As shown in figure 1, the experimental device for checking seasonal temperature change of the utility model comprises a frame 1, wherein an upper layer heat insulation board 7 and a lower layer heat insulation board 7 are arranged in the frame 1 through a support 6, so that the inside of the frame 1 is separated into three layers of cavities (at least two layers of cavities, preferably 2-4). Behind the frame 1 is a light shield 5 which completely shields the rear of the three-level cavity. One side of each layer of cavity is provided with a spot lamp 3 through a spot lamp fixing seat 2, the back of the spot lamp 3 is provided with a light screen, the front of the spot lamp 3 is provided with a heated plate 9, the heated plate 9 is fixedly arranged on a rotating shaft 4, and the rotating shaft 4 is connected on a frame 1. The spot lamp 3 is a halogen lamp.
One side of the heated plate 9 is also provided with a temperature measuring element which is connected with a temperature sensor, and the temperature sensors of all layers are combined into a whole to form a three-in-one temperature sensor 8. An angle mark 10 can be arranged on the frame 1 corresponding to the periphery of the rotating shaft 4, an angle indicating needle 11 is arranged on the rotating shaft 4 or the heated plate 9, when the rotating shaft 4 drives the heated plate 9 to rotate, the inclination angle of the heated plate 9 can be determined according to the position of the angle mark 10 pointed by the angle indicating needle 11 on the rotating shaft, and a user can conveniently adjust the angle within the range of 0-90 degrees.
The frame 1 and the bracket 6 are made of aluminum materials, and the structure is light. The heat insulation plate 7 is made of high-temperature-resistant glass fiber and resin composite materials, and the temperature of each layer can be better guaranteed not to influence each other. The heated plate 9 is a black-coated aluminum plate, has good heating performance, the back surface of the heated plate is tightly attached to the temperature sensitive element PT1000, and the heated plate is fixed by heat-conducting silica gel, so that the accuracy of temperature measurement is ensured.
The experimental device simulates solar radiation by using the spotlight 3, receives heat by using the heated plate 6, adjusts the angle of the heated plate 9, is used for representing the direct or oblique incidence relation between sunlight and the earth in four seasons, and displays the amount of absorbed heat by using temperature. The light shielding plate 5 needs to be finely adjusted before the experiment so as to effectively shield light; and adjusts the heated plate 9 to an appropriate angle according to the pointer indication.
The specific verification process is as follows:
1. and finely adjusting the reflector lamp to ensure that the glass surface of the reflector lamp is vertical to the surface of the heat insulation plate 7.
2. Rotating each rotating shaft 4, adjusting the three heated plates 9 to the angular positions of 30 degrees, 60 degrees and 90 degrees respectively, and locking and fixing by bolts.
3. The plugs led out of the three heated plates 9 are correspondingly connected into the 3 channels of the three-in-one temperature sensor 8, wherein the red line is connected into the 1 st channel, the green line is connected into the 2 nd channel, the blue line is connected into the 3 rd channel, and one channel monitors the temperature of one heated plate 9. The three-in-one temperature sensor 8 is connected with a computer, displays a relation curve of temperature and irradiation time through the computer, and can stop recording when an experiment is carried out for 120 seconds.
4. After 120 seconds, whether the three temperature curves are different according to the time change is observed. Corresponding temperature change: the temperature is highest at an angle of 90 deg., the curve rises most prominently, followed by an angle of 60 deg., and finally by an angle of 30 deg..
Claims (7)
1. A seasonal temperature change verification tester is characterized by comprising a frame, wherein the frame is internally divided into at least two layers of cavities, a spot lamp is arranged in each layer of cavity, a heated plate is arranged in front of the spot lamp, the heated plate is arranged on a rotating shaft, the rotating shaft is connected to the frame, a temperature measuring element is arranged on the heated plate, and the temperature measuring element is connected with a temperature sensor.
2. The seasonal temperature variation verification tester according to claim 1, wherein the frame is partitioned into cavities by heat insulation plates.
3. The seasonal temperature change verification tester according to claim 1, wherein a light shielding plate is provided at a rear portion of the frame.
4. The experimental device for verifying seasonal temperature variation according to claim 1, wherein the cavity in the frame is formed in 2-4 layers and arranged up and down.
5. The experimental device for verifying seasonal temperature variation according to claim 1, wherein a light shielding plate is provided on a back surface of the spot lamp.
6. The experimental device for verifying seasonal temperature variation according to claim 1, wherein the frame is provided with angle marks on the periphery of a rotating shaft, and the rotating shaft is provided with an angle indicating needle.
7. The seasonal temperature change verification tester as claimed in claim 1, wherein the temperature sensor is connected to a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021273705.8U CN212181774U (en) | 2020-07-02 | 2020-07-02 | Experimental device for verifying seasonal temperature variation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021273705.8U CN212181774U (en) | 2020-07-02 | 2020-07-02 | Experimental device for verifying seasonal temperature variation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212181774U true CN212181774U (en) | 2020-12-18 |
Family
ID=73761903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021273705.8U Active CN212181774U (en) | 2020-07-02 | 2020-07-02 | Experimental device for verifying seasonal temperature variation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212181774U (en) |
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2020
- 2020-07-02 CN CN202021273705.8U patent/CN212181774U/en active Active
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