Groove type solar power generation experiment device

Abstract

The utility model belongs to the technical field of teaching experiment supplies, and particularly relates to a trough type solar power generation experiment device, which comprises a solar heat collection tube, a heater, a circulating pump, a temperature difference generator, a power collector and an industrial control all-in-one machine, the solar heat collecting pipe, the heater, the circulating pump and the temperature difference generator are connected into a water circulation loop through pipelines; the solar heat collecting pipe can be heated by solar energy, and the heater is a container internally provided with an electric heater. The power collector is connected to the electrode end of the thermoelectric generator; the industrial control all-in-one machine displays and stores data collected by the power collector and the sensors. According to the scheme, solar energy is used for heating the solar heat collecting pipe and converting the solar energy into electric energy, the power generation process is experimented and demonstrated, data can be conveniently stored and displayed by the industrial control all-in-one machine through data acquisition of the sensors, curves of the sensing data can be drawn, students can conveniently master the solar power generation process, and the experiment efficiency is improved. The teaching quality is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of teaching experiment supplies, and specifically relates to a trough type solar power generation experimental device. Background Art

[0002] Trough solar thermal power generation technology uses a trough parabolic concentrator to focus sunlight on the focal line, and a tubular collector is installed on the focal line to absorb the focused solar radiation energy. After the fluid in the tube is heated, it flows through the heat exchanger to heat water to generate steam, and generates electricity with the help of steam power cycle. The trough solar thermal power generation system mainly includes a heat collection system, a heat storage system, a heat exchange system and a power generation system.

[0003] In teaching, the solar trough heat storage system is one of the student teaching contents. In order to demonstrate the principle and components of solar dish-type concentrated thermal power generation, guide students to master each operation process of solar dish-type concentrated thermal power generation, and effectively cultivate good engineering operation qualities, it is necessary to design a corresponding trough solar power generation experimental device. Utility Model Content

[0004] In order to solve the above problems existing in the prior art, this solution provides a trough type solar power generation experimental device.

[0005] The technical solution adopted by the utility model is:

[0006] A trough type solar power generation experimental device, comprising a solar heat collecting tube, a heater, a circulation pump, a temperature difference generator, a power collector and an industrial control integrated machine;

[0007] The solar heat collecting tube, the heater, the circulation pump and the temperature difference generator are connected to form a water circulation loop through a pipeline; the solar heat collecting tube can be heated by solar energy, and the heater is a container with an electric heater built in; a heat collecting reflecting trough is arranged obliquely below the solar heat collecting tube, and the solar heat collecting tube is arranged horizontally and located at the focusing point of the heat collecting reflecting trough;

[0008] The power collector is connected to the electrode end of the temperature difference generator; the industrial control integrated computer is connected to the power collector, temperature sensor, humidity sensor and wind speed sensor, and displays and stores the data collected by the power collector and each sensor.

[0009] As an alternative and supplement to the above-mentioned trough type solar power generation experimental device: a DC load is connected to the output end of the power collector.

[0010] As an alternative and supplement to the above-mentioned trough solar power generation experimental device: the output end of the power collector is also connected to an AC load through an inverter.

[0011] As an alternative and supplement to the above-mentioned trough-type solar power generation experimental device: the industrial control all-in-one machine is connected to an irradiation sensor, and a light-chasing bracket is arranged under the heat-collecting and reflecting trough; the lower part of the light-chasing bracket is connected to a driving motor; the industrial control all-in-one machine controls the start and stop action and the forward and reverse action of the driving motor according to the light intensity measured by the irradiation sensor.

[0012] As an alternative and supplement to the above-mentioned trough solar power generation experimental device: solar collector tubes, heaters, circulation pumps, temperature difference generators and tracking brackets are installed on the same basic bracket.

[0013] As an alternative and supplement to the above-mentioned trough type solar power generation experimental device: the basic support is L-shaped.

[0014] As an alternative and supplement to the above-mentioned trough-type solar power generation experimental device: the lower end of the light-chasing bracket is rotatably arranged on the base bracket, and a driven gear is coaxially connected to the lower end of the base bracket; a driving gear is arranged on the output shaft of the drive motor, and the driving gear is meshed with the driven gear.

[0015] As an alternative and supplement to the above-mentioned trough-type solar power generation experimental device: a support frame is fixedly arranged on the back side of the heat-collecting reflective trough, and the support frame is connected to the upper end of the light-chasing bracket; the support frame is vertically connected to a support rod, and the oblique upper end of the support rod passes through the heat-collecting reflective trough and is connected to the solar collector tube.

[0016] The beneficial effects of the utility model are as follows: the trough-type solar power generation experimental device in the present scheme can utilize solar energy to heat the solar collector tube and convert it into electrical energy, thereby realizing the power generation process for experiment and demonstration, and through the data collection of various sensors, it can be convenient for the industrial control all-in-one machine to store and display data, and draw curves of various sensor data, which is convenient for students to master the process of solar power generation and improve the teaching quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below.

[0018] Figure 1 It is a structural schematic diagram of the trough solar power generation experimental device in this scheme;

[0019] Figure 2 It is a structural schematic diagram of the trough solar power generation experimental device in this scheme.

[0020] In the figure: 1-solar collector tube; 2-heater; 3-circulation pump; 4-temperature difference generator; 5-power collector; 6-AC load; 7-inverter; 8-DC load; 9-industrial control integrated machine; 10-irradiation sensor; 11-temperature sensor; 12-humidity sensor; 13-wind speed sensor; 14-wind direction sensor; 15-foundation bracket; 16-light chasing bracket; 17-heat collecting reflective trough; 18-supporting rod; 19-supporting frame. DETAILED DESCRIPTION

[0021] The technical solution in this embodiment will be clearly and completely described below in conjunction with the accompanying drawings. The described embodiments are only some of the embodiments, not all of them. Based on the embodiments in this solution, all other embodiments obtained by ordinary technicians in this field without making creative work are within the protection scope of this solution.

[0022] Example 1

[0023] like Figure 1 to Figure 2 As shown, this embodiment designs a trough type solar power generation experimental device, which includes components such as a solar heat collecting tube 1, a heater 2, a circulation pump 3, a temperature difference generator 4, a power collector 5 and an industrial control all-in-one machine 9.

[0024] The solar heat collecting tube 1 is in the shape of a round tube. The solar heat collecting tube 1 can be a glass tube, and a black coating is provided on the tube wall of the glass tube to facilitate heat absorption. The solar heat collecting tube 1 can be heated by solar energy, so that the water in the solar heat collecting tube 1 is heated.

[0025] The heater 2 is a container with an electric heater built in. When the solar heat collecting tube 1 cannot be directly exposed to the sun to heat the water, the electric heater can be powered on to heat the water, thereby replacing the solar heat collecting tube 1 to heat the water.

[0026] The solar collector tube 1, heater 2, circulation pump 3 and thermoelectric generator 4 are connected by pipelines to form a water circulation loop, and water can circulate back and forth among the four. When the hot water reaches the thermoelectric generator 4, the thermal energy carried by the hot water can be converted into electrical energy by the thermoelectric generator 4, thereby realizing the energy conversion of solar energy-hot water-electricity.

[0027] The power collector 5 is connected to the electrode end of the temperature difference generator 4; the electric energy converted by the temperature difference generator 4 can be collected by the power collector 5, and then uploaded to the industrial control integrated machine 9 connected to it for communication, so that the data collected by the power collector 5 can be displayed using the display screen of the industrial control integrated machine 9, and the storage module inside the industrial control integrated machine 9 can also store the data collected by the power collector 5.

[0028] In addition, the industrial control all-in-one machine 9 is also connected to sensors such as the temperature sensor 11, the humidity sensor 12 and the wind speed sensor 13. The industrial control all-in-one machine 9 can not only display and store the data collected by each sensor, but also facilitate drawing curves of each sensor data, which is convenient for students to master the process of solar power generation and improve the teaching quality.

[0029] The output end of the power collector 5 is connected to a DC load 8. The output end of the power collector 5 is also connected to an AC load 6 via an inverter 7. LED lamps are provided at the DC load 8 and the AC load 6.

[0030] A heat collecting reflective groove 17 is arranged obliquely below the solar heat collecting tube 1, and the solar heat collecting tube 1 is arranged horizontally and located at the focus point of the heat collecting reflective groove 17; a support frame 19 is fixedly arranged on the back side of the heat collecting reflective groove 17, and the support frame 19 is connected to the upper end of the light chasing bracket 16; the support frame 19 is vertically connected to a support rod 18, and the oblique upper end of the support rod 18 passes through the heat collecting reflective groove 17 and is connected to the solar heat collecting tube 1. The heat collecting reflective groove 17 is made of metal and has a groove-shaped reflective surface, which is smooth and can reflect solar energy onto the solar heat collecting tube 1.

[0031] The industrial control all-in-one machine 9 is connected to the radiation sensor 10, and a light chasing bracket 16 is arranged below the heat collecting and reflecting groove 17; the lower part of the light chasing bracket 16 is transmission-connected to a driving motor; the industrial control all-in-one machine 9 controls the start and stop action and the forward and reverse action of the driving motor according to the light intensity measured by the radiation sensor 10.

[0032] The output end of the power collector 5 is connected to a DC load 8 ; the output end of the power collector 5 is also connected to an AC load 6 via an inverter 7 .

[0033] The solar heat collecting tube 1, the heater 2, the circulating pump 3, the temperature difference generator 4 and the light chasing bracket 16 are installed on the same basic bracket 15. The basic bracket 15 is L-shaped.

[0034] As an alternative and supplement to the above-mentioned trough-type solar power generation experimental device: the lower end of the light-chasing bracket 16 is rotatably arranged on the base bracket 15, and a driven gear is coaxially connected to the lower end of the base bracket 15; a driving gear is arranged on the output shaft of the driving motor, and the driving gear is meshed with the driven gear.

[0035] The above embodiments are merely examples for the purpose of clarifying the description, and are not intended to limit the implementation methods; it is not necessary and impossible to list all implementation methods exhaustively. However, obvious changes or modifications derived therefrom are still within the scope of protection of the present technology.

Claims

1. A trough type solar power generation experimental device, characterized in that: It comprises a solar heat collecting tube (1), a heater (2), a circulation pump (3), a temperature difference generator (4), a power collector (5) and an industrial control integrated machine (9); A solar heat collecting tube (1), a heater (2), a circulation pump (3) and a temperature difference generator (4) are connected to form a water circulation loop through a pipeline; the solar heat collecting tube (1) can be heated by solar energy, and the heater (2) is a container with an electric heater built in; a heat collecting reflecting trough (17) is arranged obliquely below the solar heat collecting tube (1), and the solar heat collecting tube (1) is arranged horizontally and located at the focusing point of the heat collecting reflecting trough (17); The power collector (5) is connected to the electrode end of the temperature difference generator (4); the industrial control integrated machine (9) is connected to the power collector (5), the temperature sensor (11), the humidity sensor (12) and the wind speed sensor (13), and displays and stores the data collected by the power collector (5) and each sensor.

2. The trough type solar power generation experimental device according to claim 1, characterized in that: The output end of the power collector (5) is connected to a DC load (8).

3. The trough type solar power generation experimental device according to claim 2, characterized in that: The output end of the power collector (5) is also connected to an AC load (6) via an inverter (7).

4. The trough type solar power generation experimental device according to any one of claims 1 to 3, characterized in that: The industrial control all-in-one machine (9) is connected to a radiation sensor (10); a light-chasing bracket (16) is provided below the heat-collecting reflective groove (17); the lower part of the light-chasing bracket (16) is transmission-connected to a drive motor; the industrial control all-in-one machine (9) controls the start / stop action and the forward / reverse action of the drive motor according to the light intensity measured by the radiation sensor (10).

5. The trough type solar power generation experimental device according to claim 4, characterized in that: The solar heat collecting tube (1), the heater (2), the circulating pump (3), the temperature difference generator (4) and the light chasing bracket (16) are installed on the same basic bracket (15).

6. The trough type solar power generation experimental device according to claim 4, characterized in that: The base support (15) is L-shaped.

7. The trough type solar power generation experimental device according to claim 4, characterized in that: The lower end of the light-chasing bracket (16) is rotatably arranged on the base bracket (15), and a driven gear is coaxially connected to the lower end of the base bracket (15); a driving gear is arranged on the output shaft of the driving motor, and the driving gear is meshed with the driven gear.

8. The trough type solar power generation experimental device according to claim 4, characterized in that: A support frame (19) is fixedly arranged on the back side of the heat-collecting reflective groove (17), and the support frame (19) is connected to the upper end of the light-chasing bracket (16); the support frame (19) is vertically connected to a support rod (18), and the oblique upper end of the support rod (18) passes through the heat-collecting reflective groove (17) and is connected to the solar heat collecting tube (1).

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