CN218030464U - Solar power system - Google Patents

Abstract

The application provides a solar electric system, includes: one end of the heat pipe is a heat transfer medium inlet, and the other end of the heat pipe is a heat transfer medium outlet; the linear Fresnel lens is positioned on one side above the heat pipe, a focusing focal spot of the linear Fresnel lens is positioned on a projection surface of the heat pipe, and the linear Fresnel lens is used for focusing sunlight and projecting the sunlight onto the heat pipe so as to heat a heat transfer medium in the heat pipe; the steam turbine is positioned at one end of the heat pipe, the steam turbine is communicated with the outlet, the heat transfer medium can enter the solar photo-thermal storage device through the outlet, and steam of the solar photo-thermal storage device enters the steam turbine; the generator is connected with an output shaft of the steam turbine and is driven by the steam turbine to generate electricity; and the energy storage device is electrically connected with the generator and is used for storing electric energy generated by the operation of the generator. The application range of a new solar power generation scene is widened, and popularization and application of solar photo-thermal power generation are facilitated.

Description

Solar power system

Technical Field

The application belongs to the technical field of green energy utilization, and particularly relates to a solar power system.

Background

With the development and progress of human society, the demand for energy is higher and higher, and at present, with the excessive exploitation and use of fossil energy, the environment is greatly damaged, so that people gradually realize that the development and utilization of green energy/clean energy are important subjects. Solar energy has received wide attention as an important renewable energy source.

At present, the utilization of solar energy mainly utilizes photovoltaic panels or solar panels to generate electricity under the irradiation of the sun, and then the electricity generation is merged into a power grid for consumers to use.

However, in the related art, after the solar power generation is performed, the electric energy is generally required to be used during the daytime, and the solar power generation cannot be performed at night, so that the application range of the solar power generation is narrow, and the popularization and the application of the solar power generation are not facilitated.

SUMMERY OF THE UTILITY MODEL

The application provides solar electric power system can store the surplus electric energy that solar energy power generation produced in energy memory, accessible energy memory release electric energy or release heat at night continue to generate electricity to can make night also can generate electricity, promote solar energy power generation's range of application, be favorable to solar energy power generation's popularization and application.

According to an aspect of an embodiment of the present application, there is provided a solar power system including:

one end of the heat pipe is a heat transfer medium inlet, and the other end of the heat pipe is a heat transfer medium outlet;

the linear Fresnel lens is positioned on one side above the heat pipe, the focusing focal spot of the linear Fresnel lens is in a strip shape and is positioned on the projection surface of the heat pipe, and the linear Fresnel lens is used for focusing sunlight and projecting the sunlight on the projection surface of the heat pipe so as to heat a heat transfer medium in the heat pipe;

the heat storage device is communicated with the outlet, and steam generated by the heat transfer medium can enter the heat storage device and be stored;

the steam turbine is communicated with the heat storage device, and hot steam stored in the heat storage device can enter the steam turbine;

and the generator is connected with the output shaft of the steam turbine and is driven by the steam turbine to generate electricity.

In the embodiment of the application, one end of the heat pipe is used as an inlet of the heat transfer medium, the heat transfer medium is conveyed into the heat pipe, and the other end of the heat pipe is used as an outlet of the heat transfer medium; the method comprises the following steps that a linear Fresnel lens is arranged on one side of a heat pipe, and a focused focal spot of the linear Fresnel lens is projected on a projection surface of the heat pipe, so that sunlight is gathered by the linear Fresnel lens, the energy density of the sunlight on the heat pipe is improved, a heat transfer medium entering from an inlet is heated, the heated heat transfer medium enters a heat storage device through an outlet, the heat storage device stores hot steam, and when the hot steam has surplus, a generator can be driven by a steam turbine to generate electricity; like this, need not to use solar cell panel or photovoltaic board to generate electricity and can be the electric energy with solar energy transformation, can avoid the pollution that a large amount of solar cell panel and photovoltaic board caused the environment, promoted the feature of environmental protection and the nature of cleanness that utilize solar energy power generation.

In addition, the material cost of the solar cell panel or the photovoltaic panel can be saved, the cost of solar power generation is saved, and the popularization and the utilization of clean energy are facilitated.

In addition, in this application embodiment, store the surplus hot steam of heat pipe through heat storage device, under the condition such as night or cloudy day, the surplus hot steam that heat storage device stored can release to drive steam turbine and drive the generator electricity generation, thereby can guarantee the normal electricity generation of solar electric power system at night and cloudy day, promoted the range of application of solar energy power generation new scene, be favorable to solar photo-thermal power generation's popularization and application.

In an alternative design, the solar power system further includes an inverter and a grid, the inverter is connected between the generator and the grid, and the inverter is used for merging the electric energy generated by the generator operation into the grid.

Therefore, electric energy generated by solar power generation can be incorporated into a power grid, surplus electric energy generated by the solar power generation can be fully utilized, the utilization rate of the solar power generation electric energy is improved, and resource waste is avoided.

In an optional design, the solar power system further includes a power distribution cabinet, and the power distribution cabinet is connected between the generator and the inverter.

In the embodiment of the application, the power distribution cabinet is arranged between the generator and the inverter, so that the line and the electric power transmitted by the generator to the inverter can be arranged and planned, in addition, under the condition that the line breaks down, the line can be maintained conveniently through the power distribution cabinet, and the efficiency of maintenance fault discharge is improved.

In an alternative embodiment, a heat exchanger is arranged between the steam turbine and the generator, one end of the heat exchanger is connected to the steam turbine, and the other end of the heat exchanger is used for connecting to a heating device.

Through set up the heat exchanger between steam turbine and generator, like this, the heat exchanger can take place the heat exchange with steam turbine exhaust hot steam to utilize the waste heat, can improve solar energy power generation's heat utilization efficiency, promote the utilization of resources.

In an optional design mode, the heat exchanger is further connected with a waste heat water pipe, and the waste heat water pipe is used for being connected with heat utilization equipment.

Therefore, the waste heat can be further utilized, the heat utilization rate of solar power generation can be improved, and the resource utilization is improved.

In an alternative embodiment, a superconducting connector is connected to the surface of the heat pipe, and the other end of the superconducting connector is connected to the heat consumer.

Therefore, under the condition of strong sunlight, the heat accumulated on the surface of the heat pipe can be guided to the heat utilization equipment through the superconducting connector, and the utilization rate of solar heat can be improved.

In an alternative embodiment, the heat consumer comprises: solar cookers, water heaters, and/or heating equipment.

In an optional design mode, the solar power system further comprises a first bracket, wherein the first bracket is sleeved on the heat pipe and can rotate around the axial direction of the heat pipe; the linear Fresnel lens is arranged on the first support.

In the embodiment of the application, establish first support through the cover on the heat pipe, and let first support rotate around the axial of heat pipe, thus, at earth's rotation, when sunlight shines the angle of shining on linear fresnel lens and takes place to deflect, the first support of accessible rotates for the heat pipe, adjust linear fresnel lens for the angle of heat pipe, make the sunlight can direct the light on linear fresnel lens all the time, thereby can keep the full period to provide the biggest gathering facula and heat collection efficiency to the heat pipe, can effectively promote solar energy power generation's generating efficiency.

In an optional design, the solar power system further includes:

the photosensitive probe is arranged on the first support and used for sensing the direct irradiation angle of sunlight and sending a photosensitive signal;

the controller outputs a control signal according to the photosensitive signal;

and the driving mechanism is in transmission connection with the first support and drives the first support to rotate around the axial direction of the heat pipe according to the control signal.

The construction of the present application and other objects and advantages thereof will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a topology of a solar power system provided by an embodiment of the present application;

fig. 2 is a schematic overall structural diagram of a power generation device in a solar power system according to an embodiment of the present application;

FIG. 3 is a focusing simulation view of a linear Fresnel lens in a solar power system according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

FIG. 5 is a schematic structural diagram of another perspective view of a power generation device in a solar power system according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a heat pipe in a solar power system according to an embodiment of the present disclosure.

Description of reference numerals:

101-a heat pipe; 102-a linear fresnel lens; 103-a thermal storage device; 104-a steam turbine; 105-a generator; 106-an inverter; 107-the grid; 108-a power distribution cabinet; 109-a heat exchanger; 110-waste heat water pipe; 111-a superconducting linker; 112-a first bracket; 113-a photosensitive probe; 114-a controller; 115-a drive mechanism; 116-a second support;

1011-inlet; 1012-outlet; 1013-heat collecting layer; 1014-a superconducting medium layer; 1021-focal spot interception cross section; 1051-a snap-in member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present application, it is to be understood that the terms "inner," "outer," "upper," "bottom," "front," "back," and the like, when used in the orientation or positional relationship indicated in FIG. 1, are used solely for the purpose of facilitating a description of the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

The embodiment of the application provides a solar power system, and the main inventive concept is that a linear fresnel lens is arranged on one side of a heat pipe, and a focusing focal spot of the linear fresnel lens is arranged on the heat pipe, so that sunlight irradiated on the heat pipe by the linear fresnel lens can heat a heat transfer medium entering from an inlet of the heat pipe, the heated heat transfer medium enters a steam turbine from an outlet of the heat pipe to push the steam turbine to rotate, so that a generator connected with the steam turbine is driven to generate power, an energy storage device is electrically connected to the generator, surplus electric energy generated by the generator is stored by the energy storage device, and the energy is released by the energy storage device in night or cloudy days, so that continuous operation and energy supply of solar power generation are realized. Therefore, the application range of solar power generation can be enlarged, and popularization and application of solar power generation are facilitated.

The following describes in detail a specific implementation of the solar power system provided in the embodiments of the present application with reference to the drawings of the present application.

Fig. 1 is a schematic view of a topology of a solar power system according to an embodiment of the present disclosure.

Referring to fig. 1, an embodiment of the present application provides a solar power system, including: heat pipes 101, linear fresnel lenses 102, thermal storage 103, steam turbine 104, and generator 105.

Fig. 2 is a schematic overall structure diagram of a power generation device in a solar power system according to an embodiment of the present application.

Specifically, referring to fig. 2, one end of the heat pipe 101 is a heat transfer medium inlet 1011, and the other end of the heat pipe 101 is a heat transfer medium outlet 1012.

It should be noted that, in a specific arrangement, one end of the heat pipe 101 connected to the thermal storage device 103 is an outlet 1012 (also referred to as an outlet end) of the heat transfer medium, and the other end of the heat pipe 101 opposite to the outlet 1012 is an inlet 1011 (also referred to as an inlet end).

In some alternative examples or in some specific application scenarios, the inlet 1011 end may be in communication with other external pipes, so as to convey the heat transfer medium into the heat pipe 101 through the external pipes.

In some alternative examples of embodiments of the present application, the heat transfer medium may be an electro-thermal oil, saline ionized water, or the like. In some examples, the heat transfer medium may also be clear water.

Wherein, the linear fresnel lens 102 is disposed at one side above the heat pipe 101. Specifically, referring to fig. 1 and 2, the linear fresnel lens 102 may be located on a side of the heat pipe 101 facing away from the ground, in other words, the linear fresnel lens 102 is located on a side of the heat pipe 101 close to the sun, so as to focus sunlight onto the heat pipe 101.

Specifically, referring to fig. 1, the focusing focal spot of the linear fresnel lens 102 is in a strip shape and is located on the projection surface of the heat pipe 101, and the linear fresnel lens 102 is used for focusing and projecting sunlight onto the heat pipe 101 to heat the heat transfer medium in the heat pipe 101.

Fig. 3 is a focusing simulation view of a linear fresnel lens in a solar power system according to an embodiment of the present disclosure.

In some alternative examples, referring to fig. 3, after sunlight is focused by the linear fresnel lens 102, the focal spot has a rectangular plane with a long bar shape in a cross section. Therefore, in the embodiment of the present application, in order to increase the area of the focal spot on which the heat pipe 101 is projected, the heat pipe 101 may be configured in an elongated cylindrical structure, such as the cylindrical structure shown in fig. 1 or fig. 2, in other words, in the embodiment of the present application, the heat pipe 101 is an elongated straight pipe. Thus, the area over which the heat pipe 101 can be directed can be increased, the heat efficiency can be improved, and the power generation efficiency can be improved.

In the embodiment of the present application, the linear fresnel lens 102 is used for focusing sunlight, so that the energy density of the sunlight focused on the heat pipe 101 can be increased, and the heating efficiency of the heat transfer medium can be improved, for example, the aforementioned electric heating oil, saline ion water, or clean water is heated, so that the heat transfer medium is vaporized to form high-temperature and high-pressure steam. The high temperature, high pressure steam enters the thermal storage device through outlet 1012.

The heat storage device 103 may be a thermochemical storage device, and specifically, the heat storage device 103 decomposes strontium carbonate into strontium oxide and carbon dioxide by using heat of hot steam heated by the sun, so as to store energy, and in a process of generating power at night, the process is reversed, that is, the strontium oxide and the carbon dioxide react, and the heat is released to drive the steam turbine 104, so as to drive the generator 105 to generate power.

In the embodiment of the present application, the steam turbine 104 is in communication with the heat storage device 103, the heat transfer medium heated and vaporized in the heat pipe 101 enters the heat storage device 103 for storage, and during power generation at night or in cloudy days, the heat stored in the heat storage device 103 is released to drive the steam turbine 104 and the generator 105 to generate power.

In the embodiment of the present application, one end of the heat pipe 101 is used as an inlet 1011 of the heat transfer medium, so that the heat transfer medium is conveyed into the heat pipe 101, and the other end is used as an outlet 1012 of the heat transfer medium; the linear Fresnel lens 102 is arranged on one side of the heat pipe 101, a focused spot of the linear Fresnel lens 102 is projected on a projection surface of the heat pipe 101, so that sunlight is gathered by the linear Fresnel lens 102, the energy density of the sunlight irradiating the heat pipe 101 is improved, a heat transfer medium entering from an inlet 1011 is heated, the heated heat transfer medium enters the heat storage device 103 through an outlet 1012, the heat storage device 103 stores hot steam, and when the hot steam has surplus, the steam turbine 104 can be pushed to rotate, so that the generator 105 is driven to generate electricity; like this, need not to use solar cell panel or photovoltaic board to generate electricity and can be the electric energy with solar energy transformation, can avoid a large amount of solar cell panel and photovoltaic board to the pollution that the environment caused, promoted the feature of environmental protection and the nature of cleanness that utilize solar energy power generation.

In addition, the material cost of the solar cell panel or the photovoltaic panel can be saved, the cost of solar power generation is saved, and the popularization and the utilization of clean energy are facilitated.

In addition, in this application embodiment, the surplus hot steam of the heat pipe 101 is stored through the heat storage device 103, and under the conditions of night or cloudy day and the like, the surplus hot steam stored by the heat storage device 103 can be released and drives the steam turbine 104 to drive the generator 105 to generate electricity, so that the normal electricity generation of the solar power system at night and cloudy day can be ensured, the application range of a new solar power generation scene is expanded, and the popularization and the application of solar photo-thermal electricity generation are facilitated.

As an alternative example of the embodiment of the present application, with continued reference to fig. 1, the solar power system further includes an inverter 106 and a power grid 107, the inverter 106 is connected between the generator 105 and the power grid 107, and the inverter 106 is used for merging the electric energy generated by the operation of the generator 105 into the power grid 107.

The power grid 107 may be a municipal power grid 107, a national power grid 107, or the like, and of course, in some examples, the power grid 107 may also be an industrial power supply or commercial power supply grid 107.

Therefore, electric energy generated by solar power generation can be merged into the power grid 107, surplus electric energy generated by solar power generation can be fully utilized, the utilization rate of the solar power generation electric energy is improved, and resource waste is avoided.

In an alternative example, and with continued reference to fig. 1, the solar power system further includes a power distribution cabinet 108, the power distribution cabinet 108 being connected between the generator 105 and the inverter 106.

In the embodiment of the application, the power distribution cabinet 108 is arranged between the generator 105 and the inverter 106, so that the line and the electric power transmitted by the generator 105 to the inverter 106 can be arranged and planned, in addition, the line can be maintained conveniently through the power distribution cabinet 108 under the condition that the line breaks down, and the efficiency of fault discharge during maintenance is improved.

In another alternative example of the embodiment of the present application, and with continued reference to fig. 1, a heat exchanger 109 is provided between the steam turbine 104 and the generator 105, one end of the heat exchanger 109 is connected to the steam turbine 104, and the other end of the heat exchanger 109 is used for connecting to a heating device.

Specifically, in the embodiment of the present application, the heat exchanger 109 may be one of a plate heat exchanger 109 or a tube heat exchanger 109. In the embodiment of the present application, the specific type of the heat exchanger 109 is not limited.

By arranging the heat exchanger 109 between the steam turbine 104 and the generator 105, the heat exchanger 109 can exchange heat with the hot steam exhausted by the steam turbine 104, thereby utilizing the waste heat, improving the heat utilization rate of solar power generation and improving the resource utilization.

In other alternative examples, referring to fig. 1, a waste heat water pipe 110 is further connected to the heat exchanger 109, and the waste heat water pipe 110 is used for connecting with a heat consuming device.

Therefore, the waste heat can be further utilized, the heat utilization rate of solar power generation can be improved, and the resource utilization is improved.

As an alternative example of the embodiment of the present application, with continued reference to fig. 1, a superconducting connector 111 is connected to the surface of the heat pipe 101, and the other end of the superconducting connector 111 is connected to a heat-consuming device.

In this way, when sunlight is strong, the heat accumulated on the surface of the heat pipe 101 can be guided to the heat consuming device through the superconducting connector 111, and the utilization rate of solar heat can be improved.

It should be noted that, in the embodiment of the present application, the heat utilization apparatus includes: solar cookers, water heaters, and/or heating equipment.

In an alternative example of the embodiment of the present application, referring to fig. 1, a linear fresnel lens 102 covers a heat pipe 101 along a length direction of the heat pipe 101.

Specifically, the length direction of the heat pipe 101 may refer to an extending direction of the heat pipe 101 along an axial direction, and as shown in fig. 1, the length direction of the heat pipe 101 may refer to a direction indicated by a y-axis in fig. 1. In some specific examples, the length of the linear fresnel lens 102 is at least the same as the length of the heat pipe 101; that is, the linear fresnel lens 102 can cover at least the entire length of the heat pipe 101 in the direction indicated by the y-axis in fig. 1.

It is understood that the length of the linear fresnel lens 102 may also be greater than the length of the heat pipe 101. In some specific examples, the length of the linear fresnel lens 102 may be set to be the same as, similar to, or similar to the length of the heat pipe 101; in this way, material required for the linear fresnel lens 102 can be saved, thereby saving processing cost.

Through setting linear fresnel lens 102 to cover heat pipe 101 along the length direction of heat pipe 101, like this, after the sunlight shines on linear fresnel lens 102, linear fresnel lens 102 covers the whole effective area of heat pipe 101 along the length direction of heat pipe 101 to the facula that the sunlight was focused on, that is to say, can effectively increase the area that heating pipe 101 was shone by the facula after focusing, thereby can improve the collecting efficiency to heat pipe 101, promote the heating efficiency to heat transfer medium in heat pipe 101, and then can effectively promote solar energy power generation's efficiency.

In other examples of embodiments of the present application, the focal spot intercepting section 1021 of the linear fresnel lens 102 covers at least half of the outer peripheral wall of the heat pipe 101. In this way, the heat pipe 101 can be focused and directed to a larger area, and the heating efficiency of the heat transfer medium in the heat pipe 101 can be improved.

With reference to fig. 2, the solar power system according to the embodiment of the present disclosure further includes a first bracket 112, where the first bracket 112 is sleeved on the heat pipe 101 and can rotate around the axial direction of the heat pipe 101; the linear fresnel lens 102 is provided on the first support 112.

In a specific setting, a bearing may be firstly sleeved on the heat pipe 101, and then the first bracket 112 is clamped or welded on the bearing outer sleeve, so as to realize the rotatable connection between the first bracket 112 and the heat pipe 101. In this way, the first support 112 and the heat pipe 101 are rotatably coupled by the bearing, so that the friction force between the first support 112 and the heat pipe 101 can be reduced, and the rotation of the first support 112 and thus the adjustment of the inclination angle of the linear fresnel lens 102 disposed on the first support 112 can be facilitated.

In the embodiment of the application, the first support 112 is sleeved on the heat pipe 101, and the first support 112 can rotate around the axial direction of the heat pipe 101, so that the rotation of the earth is realized, when the irradiation angle of sunlight irradiating the linear fresnel lens 102 deflects, the first support 112 can rotate relative to the heat pipe 101, the angle of the linear fresnel lens 102 relative to the heat pipe 101 is adjusted, the sunlight can be always directly irradiated on the linear fresnel lens 102, the maximum light gathering spot and heat gathering efficiency of the heat pipe 101 can be kept, and the power generation efficiency of solar power generation can be effectively improved.

Fig. 4 is a partial enlarged view at a in fig. 1, and fig. 5 is a schematic structural diagram of another view angle of a power generation device in a solar power system according to an embodiment of the present application.

As an optional design manner of the embodiment of the present application, the solar power system further includes: a photosensitive probe 113, a controller 114, and a drive mechanism 115.

The photosensitive probe 113 is disposed on the first support 112, and the photosensitive probe 113 is configured to sense a direct incident angle of sunlight and send a photosensitive signal.

The photosensitive probe 113 may be a probe existing in the related art, and the specific type of the photosensitive probe 113 is not specifically limited in this embodiment.

In specific setting, as shown in fig. 2 and fig. 4, a clamping piece 1051 is provided on the first bracket 112, and the photosensitive probe 113 is connected to the first bracket 112 through the clamping piece 1051.

Thus, the installation and the disassembly of the photosensitive probe 113 can be facilitated, and the maintenance of the photosensitive probe 113 is facilitated.

In the embodiment of the present application, the controller 114 is electrically connected to the photosensitive probe 113, and specifically, the controller 114 is configured to receive a photosensitive signal sent by the photosensitive probe 113, and output a control signal according to the photosensitive signal.

Specifically, in this embodiment of the application, the Controller 114 may be any one of a Central Processing Unit (CPU), a Micro Control Unit (MCU), a Field Programmable Gate Array (FPGA), a Programmable Logic Controller (PLC), and the like. Of course, in the embodiment of the present application, the controller 114 may also be other controllers that are not listed, and this is not listed again in the embodiment of the present application.

Specifically, the controller 114 transmits the output control signal to the driving mechanism 115, that is, in the embodiment of the present application, the controller 114 is further electrically connected to the driving mechanism 115.

Wherein, the driving mechanism 115 is in transmission connection with the first bracket 112. For example, the driving mechanism 115 may be geared with the first bracket 112 via a transmission gear. In some examples, the output or output shaft of the drive mechanism 115 may also be flexibly connected to the first support 112 via a drive belt, drive chain, or the like.

The driving mechanism 115 drives the first support 112 to rotate according to the control signal. For example, in some examples, the control signal may be a rotation angle of 5 °, 10 °, 15 °, or the like, and the driving mechanism 115 drives the first bracket 112 to rotate through the corresponding angle.

In some specific examples, the driving mechanism 115 may be a general motor, a servo motor, a synchronous motor, an asynchronous motor, a stepper motor, or the like.

In the embodiment of the application, through set up photosensitive probe 113 on first support 112, photosensitive probe 113 can respond to the direct projection angle of sunlight, thereby produce photosensitive signal, and transmit photosensitive signal to controller 114, controller 114 controls actuating mechanism 115 action according to received photosensitive signal, drive first support 112 for the axial of heat pipe 101 rotates, thereby can make linear fresnel lens 102 can receive the sunlight of direct projection all the time, solar power generation's generating efficiency has been improved.

In some alternative examples of the embodiment of the present application, as shown in fig. 2 and 5, the photosensitive probe 113 is located in the middle of the first carriage 112 in the width direction.

The photosensitive probe 113 is arranged in the middle of the first support 112 in the width direction, so that the accuracy of the photosensitive probe 113 for sensing direct sunlight can be improved, the accuracy of angle adjustment of the linear Fresnel lens 102 is improved, and the power generation efficiency of solar power generation is improved.

As a specific example of the embodiment of the present application, the axis of the photosensitive probe 113 is located on the extension of the diameter of the heat pipe 101.

Therefore, the accuracy of the sensing direct sunlight of the photosensitive probe 113 can be improved, and the accuracy of the angle adjustment of the linear Fresnel lens 102 is improved, so that the power generation efficiency of solar power generation is improved.

In some optional examples of the embodiment of the present application, referring to fig. 2, the linear fresnel lens 102 includes a plurality of linear fresnel lenses 102, the linear fresnel lenses 102 are arranged on the first support 112 in an array, and the linear fresnel lenses 102 are detachably connected to the first support 112.

In the embodiment of the application, the plurality of linear fresnel lenses 102 are arranged, so that the installation flexibility of the linear fresnel lenses 102 is improved, when any one of the linear fresnel lenses 102 is damaged, only one of the linear fresnel lenses 102 can be replaced, and the cost for replacing the linear fresnel lens 102 can be reduced.

Fig. 6 is a schematic structural diagram of a heat pipe in a solar power system according to an embodiment of the present disclosure.

In an alternative example of the embodiment of the present application, the heat pipe 101 includes a heat collection layer 1013 and a superconducting medium layer 1014, and the heat collection layer 1013 is wrapped around the superconducting medium layer 1014.

The heat collecting layer 1013 is arranged outside the superconducting medium layer 1014, so that the heat irradiated by the sunlight focused by the linear Fresnel lens 102 can be rapidly collected to the superconducting medium layer 1014 by the heat collecting layer 1013, and the heat is transferred to the heat transfer medium by the superconducting medium layer 1014, thereby improving the heat collecting efficiency and the heat conduction efficiency, namely improving the power generation efficiency of solar power generation.

In some specific examples, referring to fig. 2 and 5, the solar power system further includes a second bracket 116, and the heat pipe 101 is disposed on the second bracket 116.

This application embodiment sets up heat pipe 101 on second support 116, and like this, heat pipe 101 has certain interval apart from ground, can utilize the air in the clearance between heat pipe 101 and the ground as natural heat preservation, can reduce heat pipe 101's calorific loss, has promoted the generating efficiency.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A solar power system, comprising:

a heat pipe (101), wherein one end of the heat pipe (101) is a heat transfer medium inlet (1011), and the other end of the heat pipe (101) is a heat transfer medium outlet (1012);

the linear Fresnel lens (102) is positioned on one side above the heat pipe (101), a focusing focal spot of the linear Fresnel lens (102) is in a strip shape and is positioned on a projection surface of the heat pipe (101), and the linear Fresnel lens (102) is used for focusing and projecting sunlight on the projection surface of the heat pipe (101) so as to heat a heat transfer medium in the heat pipe (101);

a heat storage device (103) communicated with the outlet, wherein the steam generated by the heat transfer medium can enter the heat storage device (103) and be stored;

a steam turbine (104) in communication with said heat storage device (103), hot steam stored in said heat storage device (103) being accessible to said steam turbine (104);

and the generator (105) is connected with the output shaft of the steam turbine (104), and the generator (105) is driven by the steam turbine (104) to generate electricity.

2. Solar power system according to claim 1, characterized in that it further comprises an inverter (106) and a grid (107), said inverter (106) being connected between said generator (105) and said grid (107), said inverter (106) being adapted to integrate the electrical energy generated by the operation of said generator (105) into said grid (107).

3. Solar power system according to claim 2, characterized in that it further comprises a power distribution cabinet (108), said power distribution cabinet (108) being connected between said generator (105) and said inverter (106).

4. Solar power system according to claim 1, characterized in that a heat exchanger (109) is arranged between the steam turbine (104) and the generator (105), one end of the heat exchanger (109) is connected to the steam turbine (104), and the other end of the heat exchanger (109) is used for connecting to a heating device.

5. Solar power system according to claim 4, characterized in that a waste heat water pipe (110) is further connected to the heat exchanger (109), and the waste heat water pipe (110) is used for connecting with a heat consumer.

6. Solar power system according to claim 5, characterized in that a superconducting connector (111) is connected to the surface of the heat pipe (101), and the other end of the superconducting connector (111) is connected to the heat consumer.

7. Solar power system according to claim 5 or 6, characterized in that the heat consuming device comprises: solar cooker, water heater and/or heating equipment.

8. The solar power system according to claim 1, wherein the linear fresnel lens (102) covers the heat pipe (101) along a length direction of the heat pipe (101).

9. The solar power system as claimed in claim 1, further comprising a first bracket (112), wherein the first bracket (112) is sleeved on the heat pipe (101) and can rotate around the axial direction of the heat pipe (101); the linear Fresnel lens (102) is arranged on the first support (112).

10. The solar power system of claim 9, further comprising:

the photosensitive probe (113) is arranged on the first support (112), and the photosensitive probe (113) is used for sensing the direct angle of sunlight and sending out a photosensitive signal;

a controller (114) for outputting a control signal according to the light sensing signal;

the driving mechanism (115) is in transmission connection with the first support (112), and the driving mechanism (115) drives the first support (112) to rotate around the axial direction of the heat pipe (101) according to the control signal.

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