CN201218610Y - Altitude Angle Control Device for Solar Collector - Google Patents

Abstract

The utility model provides an elevation angle controlling device of a solar collector, comprising a plurality of solar collectors. The solar collectors are respectively arranged and fixed on support frames of the solar collectors; a plurality of pipelines are respectively connected with all the solar collectors and the support frames; heat collectors are arranged on the pipelines; one end of each of a plurality of actuating arms is respectively connected with the pipelines, and the other end is uniformly arrayed and respectively pivoted on a plurality of central connecting rods; a plurality of driving connecting rods are uniformly arrayed and respectively pivoted on the central connecting rods; one end of each of the driving connecting rods is respectively arranged on and connected with a plurality of drivers, and the drivers are respectively fixed on a base; a photoelectric sensor is arranged on the pipelines; and the output end of the photoelectric sensor is respectively connected with the drivers. The utility model can automatically adjust the height of the solar collectors to an optimum degree, track the sun, and provide relatively stable and larger solar power to a solar generating device.

Description

Altitude Angle Control Device for Solar Collector

technical field

The utility model relates to a solar power generating device, in particular to a height angle control device of a solar collector.

Background technique

In recent years, problems such as global warming caused by the emission of carbon dioxide caused by the use of fossil fuels, or radioactive pollution caused by radioactive waste caused by nuclear power plant accidents have become serious. Concerns about the global environment and energy are increasing. Under such circumstances, as an inexhaustible and environmentally friendly energy source, solar energy has been widely used all over the world.

At present, the use of solar energy by humans can be roughly divided into two methods: photothermal conversion and photoelectric conversion. Among them, the solar power generation device that uses solar energy to generate electricity is mainly composed of solar collectors, heat collectors, solar energy transmission pipes, heat storage devices, steam generators, power generation devices, and control devices.

The working principle of the solar power generation device: The solar collector is used to collect sunlight and transmit energy to the heat collector. After the heat collector heats the air, the hot air enters the heat storage through the transmission pipe, and the heat storage stores the energy. When power generation is required, the energy is transmitted to the steam generating device, and the steam drives the generating device to generate electricity. The control device can control different devices to perform different actions to meet different needs.

When the existing solar collectors are used, generally several solar collectors are arranged according to certain rules, and several solar collectors are respectively installed and fixed on the support frame of each solar collector, and the support frame is installed and fixed on the top of the building or on the ground. to collect solar energy. Since the support frame supporting the solar collector is fixed, the pitch angle of the collector cannot change with the movement of the sun, and the incident amount of sunlight changes with the movement of the sun, so the power generation of the solar power generation device cannot Sustained and stable.

Utility model content

The main purpose of the utility model is to overcome the above-mentioned shortcomings existing in the existing devices, and provide a solar collector altitude angle control device, which can automatically adjust the altitude angle of the solar collector, accurately and timely track the sun's azimuth, and integrate solar energy Adjustment of the collector to the optimum elevation angle. Moreover, several solar collectors can be controlled simultaneously to provide a large and stable solar power source for the solar power generation device.

The purpose of this utility model is achieved by the following technical solutions.

A solar collector altitude angle control device, comprising: several solar collectors, several solar collectors are respectively installed and fixed on the support frame of each solar collector, and several pipes are respectively placed on each solar collector The bottom of the collector and the support frame is connected with each support frame respectively, and a heat collector is installed on each pipe; several U-shaped frames are arranged at the bottom of each pipe, and several pulleys are connected to the U-shaped frame , the pipeline is placed on the pulley; one end of several driving arms is respectively connected with several pipelines, and the other ends of several driving arms are evenly arranged and respectively pivoted on several central connecting rods, and the uniformity of several driving connecting rods Arranged and respectively pivoted with several central connecting rods, the other ends of several driving connecting rods are respectively installed and connected to several drivers, and several drivers are respectively fixed on the base, through the above connections, several pipes and several drivers A drive link mechanism is formed between them; the photoelectric sensor is installed and fixed on the pipeline, and the output ends of the photoelectric sensor are respectively connected with several drivers.

The adjustment range of the driving link mechanism is in the range of 0-90 degrees.

The driver is an electric motor, and several driving connecting rods are respectively installed and connected to the rotating shaft of the electric motor.

The output terminal of the photoelectric sensor is connected with the motor through a relay.

The driver is a hydraulic device, and the driving link is a hydraulic push rod in the hydraulic device. A base is arranged below the hydraulic device, and two support plates are arranged on the base, and the rotating shaft connected to the back of the hydraulic device is placed on two In the middle of the support plate, the hydraulic device 11 is pivotally connected to the support plate through a pin shaft.

The output end of the photoelectric sensor is connected with the hydraulic device through an electromagnetic valve.

The utility model has beneficial effects: it can automatically adjust the height of the solar collector, track the azimuth of the sun accurately and timely, and adjust the solar collector to the optimum height. Moreover, several solar collectors can be controlled simultaneously to provide a large and stable solar power source for the solar power generation device. The utility model has integrality, simple structure, and is convenient for production; its weight is light, and it is convenient for installation in buildings.

Description of drawings:

Fig. 1 is a schematic front view of the structure of the utility model.

Fig. 2 is a three-dimensional schematic diagram of a top view of the structure of the utility model.

Fig. 3 is a schematic diagram of the connecting block of the structure photoelectric sensor of the present invention.

Fig. 4 is a schematic front view of another embodiment of the utility model.

Fig. 5 is a schematic front view of the hydraulic device in Fig. 3 .

FIG. 6 is a schematic top view of the hydraulic device in FIG. 3 .

Fig. 7 is a schematic diagram of a connection block diagram of a photoelectric sensor in another embodiment of the structure of the utility model.

Description of main symbols in the figure: 1 central connecting rod, 2 driving connecting rod, 3 electric motor, 4 driving arm, 5 transmission pipe, 6 solar collector, 7 supporting frame, 8 photoelectric sensor, 9 heat collector, 10 hydraulic push rod, 11 hydraulic device, 12 rotating shaft, 13 support plate, 14 base, 15 pin shaft, 16 pin shaft, 17 relay, 18 solenoid valve, 19 U-shaped frame, 20 pulley.

Detailed ways

Referring to Fig. 1, Fig. 2 and shown in Fig. 3, the elevation angle control device of the solar collector of the present invention comprises: several solar collectors 6, and several solar collectors 6 are respectively installed and fixed on each solar collector 6 On the support frame 7, several transmission pipes 5 are respectively placed under each solar collector 6 and the support frame 7 one by one, and are respectively connected with the support frame 7 by welding or bolting, and each transmission pipe Heat collector 9 is installed on the 5. The bottom of each pipeline is provided with several U-shaped frames, and several pulleys are arranged and connected to the U-shaped frames, and the pipelines are placed on the pulleys.

One end of several driving arms 4 is respectively connected to several transmission pipes 5 by means of welding, and the other ends of several driving arms 4 are evenly arranged and pivotally connected to several central connecting rods 1 through pin shafts. In this embodiment : There are two central connecting rods 1. The central connecting rod 1 is made of high-thickness steel pipe, which plays the role of force transmission and balance. Several central connecting rods 1 are respectively pivotally connected with one end of the driving connecting rod 2 through pin shafts, and the other ends of the several driving connecting rods 2 are respectively installed and connected to several drivers. In this embodiment: the driver is an electric motor 3 . The other ends of several driving linkages 2 are installed and connected to the rotating shafts of several motors 3 respectively, and the several motors 3 are respectively fixed on the bases. A drivable link mechanism is formed between several pipes and several motors 3 through the above connections. Present embodiment: there are two motors 3, and the number of motors depends on the load of the solar heat collector and the pipeline part, which can be increased or decreased according to the load.

The photoelectric sensor 8 is installed and fixed on the pipeline, and the output ends of the photoelectric sensor 8 are connected to several motors 3 respectively. In this embodiment: the output end of the photoelectric sensor 8 is respectively connected to several motors 3 via a relay 17 . In order to promote the rotation of all pipelines, the altitude angle position of the solar collector is automatically adjusted to ensure the synchronization between the solar collector and the sun's movement. The adjustment range of the height angle control device is 0-90 degrees.

The working principle of this embodiment: when the sun shines on the photoelectric sensor 8 and is received by the photoelectric sensor 8, the photoelectric sensor converts the optical signal into an electrical signal according to the position of the sun's movement and the intensity of the light, and converts the corresponding signal through a relay. Electric signals are input to several motors 3, and several motors 3 act according to the corresponding electric signals. The shafts of motors 3 rotate, and several driving connecting rods 2 installed on the rotating shafts rotate under the drive of the rotating shafts. Several driving connecting rods 2 drives several central connecting rods 1 to move, several central connecting rods 1 simultaneously drive several driving arms 4 pivotally connected with the central connecting rod 1 to move, several driving arms 4 drive several pipes 5 to rotate, several The pipes 5 respectively drive the solar collectors 6 fixed on the support frame 7 to rotate, thereby automatically adjusting the height and position of the solar collectors, so as to better track the orientation of the sun.

Referring to Fig. 4-shown in Fig. 7, it is another embodiment of the altitude angle control device of the utility model solar collector, the driver is a hydraulic device 11, and the drive link is replaced by a hydraulic push rod 10 in the hydraulic device, and the hydraulic push rod One end of 10 is movably connected with the center connecting rod 1 through pin 15, and a rotating shaft 12 is arranged and connected behind the hydraulic device 11, and a through hole is provided on the rotating shaft 12, and a base 14 is arranged below the hydraulic device 11, and a connecting rod is arranged on the base 14. Two support plates 13 , the rotating shaft 12 behind the hydraulic device 11 is placed between the two support plates 13 so that the hydraulic device 11 is pivotally connected to the support plate 13 through a pin shaft 16 .

When the hydraulic cylinder of the hydraulic device 11 drives the central connecting rod 1 to move, in addition to extending the hydraulic push rod 10, the hydraulic device 11 itself also rotates along the rotating shaft, thereby adjusting the orientation of the central connecting rod 1 and reducing resistance.

The output end of the photoelectric sensor 8 is connected to the oil pipe of the hydraulic device 11 through a solenoid valve 18. The photoelectric sensor 8 converts the optical signal into an electrical signal. By controlling the on-off of the solenoid valve 18, the flow of oil is controlled, so that the hydraulic pressure in the hydraulic device 11 The piston of the cylinder moves, thereby controlling the expansion and contraction of the hydraulic push rod 10 . The adjustment range of the height angle control device is 0-90 degrees.

The working principle of this embodiment is basically the same as that of the previous embodiment.

Several link mechanisms in the above two embodiments have synchronous movement, and the photoelectric sensor can dynamically adjust the height angle of the collector by using the feedback principle. The altitude angle control device adjusts the solar collector to a position almost parallel to the horizontal plane when the sun's rays are strongest at noon, and adjusts the solar collector to a position almost perpendicular to the horizontal plane in the morning and evening.

Above-mentioned electric motor, photoelectric sensor, relay, solenoid valve, hydraulic device, pulley adopt commercially available products, and other unspecified parts are known technology.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model, All still belong to within the scope of the technical solution of the utility model.

Claims (6)

1, a kind of elevation angle control device of solar collector, comprise: several solar collectors, several solar collectors are fixed on respectively on the bracing frame of each solar collector, it is characterized in that: the corresponding one by one below that places each solar collector and bracing frame respectively of several pipelines, and link together with each bracing frame respectively, on every pipeline heat collector is installed; The bottom of every pipeline is provided with several U-shaped frameworks, is provided with on the U-shaped framework and is connected with several pulleys, and pipeline places on the pulley; One end of several actuating arms links together with several pipelines respectively, the other end of several actuating arms is evenly distributed and be articulated in respectively on several center rod, several drive link evenly distributed also articulates with several center rod respectively, several drive link other ends are installed and are connected on several drivers respectively, several drivers are separately fixed on the pedestal, make by above-mentioned connection to constitute drive link mechanism between several pipelines and several drivers; Photoelectric sensor is fixed on the pipeline, and the output of photoelectric sensor links to each other with several drivers respectively.

2, the elevation angle control device of solar collector according to claim 1 is characterized in that: described drive link institutional adjustment scope is in 0-90 degree scope.

3, the elevation angle control device of solar collector according to claim 1 and 2 is characterized in that: described driver is a motor, and several drive link are installed respectively and connected on the shaft of motor.

4, according to the elevation angle control device of claim 1 or 3 described solar collectors, it is characterized in that: the output of described photoelectric sensor links to each other with motor through a relay.

5, the elevation angle control device of solar collector according to claim 1, it is characterized in that: described driver is a hydraulic means, described drive link is the hydraulic push rod in the hydraulic means, one base is set below the hydraulic means, be provided with on the base and connect two support plates, the rotating shaft that setting is connected the hydraulic means back places in the middle of two support plates, and hydraulic means is articulated on the support plate by bearing pin.

6, the elevation angle control device of solar collector according to claim 1 or 5, it is characterized in that: the output of described photoelectric sensor links to each other with hydraulic means through a magnetic valve.

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