TW202316067A - Solar energy storage system including a box body, a heat collection apparatus, at least one lens and a plurality of liquid level counterweight devices - Google Patents

Abstract

A solar energy storage and power generation system includes a box body arranged on a base, a heat collection apparatus arranged within the box body, at least one lens arranged on a top surface of the box body and a plurality of liquid level counterweight devices respectively arranged at various corners inside the box body. The base has a universal adjusting member correspondingly arranged at the center of gravity of a counterweight of the box body. By means of providing the liquid level counterweight devices and a universal adjusting member inside the box body, the top surface of the box body can be adjusted to face the sun, so as to achieve the effect of chasing the sun.

Description

Solar energy storage and power generation system

The invention is related to solar heat collection and power generation, in particular to a concentrating solar energy storage and power generation system capable of improving sunlight utilization and miniaturization.

Concentrating solar power has been developed for decades, but it has not been widely used. One of the reasons is that the utilization rate of sunlight collection and conversion is not high. In addition to the loss, there is also the loss of light energy caused by the reflection of the light energy received by the receiver during conversion or saturation, and the receiver exposed to the atmosphere will also have a relatively high convective heat loss, and the high temperature resistant giant generator set It is even more difficult to manufacture and the cost is high, which limits the use temperature and greatly affects the conversion efficiency. In addition, the installation environment also occupies a large area, and the light energy cannot be blocked in time when there is a fire. It is not suitable for use in urban areas and will increase transportation. Electricity costs and high temperature and light damage harm birds and the environment.

Based on the above deficiency, the purpose of the present invention is to provide a solar energy storage and power generation system, especially a concentrating solar energy storage and power generation system capable of improving sunlight utilization and miniaturization.

Based on the above purpose, the present invention provides a solar energy storage and power generation system, which has a box body arranged on a base, a heat collecting device is arranged in the box body, and at least one lens is arranged on the top surface of the box body, wherein the The box body is a hollow box body, with a plurality of liquid level counterweight devices respectively arranged at each corner position inside the box body.

Preferably, there is also at least one optical path mechanism correspondingly arranged between the at least one lens and the heat collecting device for collecting the light irradiated on the at least one lens, the optical path mechanism is a light guide mirror group or a Light pipe set.

Preferably, it also includes a universal adjustment member arranged on the base and corresponding to the center of gravity of the box.

Preferably, the inside of the box is a vacuum chamber.

Preferably, a heat storage tank is arranged in the box and connected to a heat transfer device of the heat collecting device, and the heat storage tank has an output pipe and an input pipe passing through one side of the box.

Preferably, the liquid level counterweight device has a liquid level adjustment controller for introducing liquid from an external water source into the liquid level counterweight device or discharging liquid discharged from the liquid level counterweight device into a liquid storage tank.

Preferably, a lifting roller blind is arranged on the box body, the lifting roller blind is used to cover the top surface of the box body, and a cleaning device is arranged between the lifting roller blind and the box body.

Preferably, the aforementioned heat collecting device has a light absorbing body, and the light absorbing body is a hollow cavity.

In order to clearly illustrate the specific implementation mode, structure and achieved effects of the present invention, the accompanying drawings are described as follows:

Please refer to Fig. 1 to Fig. 4, depict a kind of solar energy system, have a box body 10 and be arranged on a base 15, and this box body 10 is a rectangular box body, and this solar energy system comprises a heat collecting device 30 and is arranged on this box Inside the body 10, at least one lens 12 is arranged on the top surface of the box body 10, the lens 12 is preferably a Fresnel lens, the light absorption rate of the lens 12 is less than 5%, and at least one optical path mechanism is correspondingly arranged on the at least one lens 12 and the heat collecting device 30 are used to collect the light L irradiated on the at least one lens 12 , and the optical path mechanism is separated from the at least one lens 12 by a distance. The inside of the box 10 is a vacuum chamber for reducing light loss and achieving heat insulation.

The heat collecting device 30 adopted in the first embodiment and the second embodiment of the present invention includes a light absorber 31 connected to a heat storage tank 32, wherein the light absorber 31 is a hollow spherical cavity, and the light absorber 31 The inner surface has a light-absorbing layer (not shown in the figure), and the light-absorbing layer can achieve at least 95% light absorption rate. When the light L enters the light-absorbing body 31, it will be continuously reflected and converted into heat energy in the light-absorbing body 31, wherein The material of the light absorbing layer may be but not limited to graphite, tungsten carbide, carbon nanotubes or nanomaterials. In other embodiments, the heat collecting device 30 is not limited to the aforementioned structure, and may be any form of heat collecting device 30 .

Please refer to Fig. 1 and Fig. 2 for the first embodiment of the present invention, in the first embodiment, there are a plurality of lenses 12 arranged on the top surface of the box body 10, the optical path mechanism is a light guide group, the guide The light pipe group has a plurality of light pipes 21 arranged at intervals, and the part of the light pipe 21 close to the top surface of the box body 10 is a plurality of pipes arranged at intervals, and one end of the light pipe group is connected to the heat collecting device 30 The other end of a light absorbing body 31 is spaced from the lens 12 by a distance which is roughly equal to the focal length of the lens 12, thereby reducing the inner diameter of the light guide tube 21.

In the first embodiment, a reflective layer 21a is disposed on the inner surface of the light pipe 21, the reflective layer 21a receives the light L reflected from the lens 12, and an insulating layer 21b is disposed on the outside of the light pipe 21 On the surface, the insulation layer 21b has the characteristics of low thermal conductivity, low radiation loss and high temperature resistance. The material of the insulation layer 21b can be but not limited to zirconia, diatomaceous earth, ceramic wool, porous mixture or nanomaterials.

In actual use, the box body 10 can be optionally arranged on a base 15, and a heat collecting device 30 is arranged in the box body 10. The heat collecting device 30 has a light absorbing body 31 connected to a heat storage tank 32. The heat tank 32 has an output pipe 321 and an input pipe 322 pierced through one side of the box body 10, and the external liquid is input into the heat storage tank 32 through the input pipe 322. When the heat storage tank 32 contacts the heat collecting device 30 When the light absorber 31 is removed, the temperature of the light absorber 31 is transferred to the heat storage tank 32, so that the liquid in the heat storage tank 32 is heated and vaporized, and the gas flows out from the output pipe 321 to the power generation device (not shown), And use the fluid kinetic energy to drive the power generation device to generate electricity, or it can perform multiple tasks such as desalination of seawater or hydrogen production by steam reforming.

Please refer to FIG. 2 which is a path diagram of light in the light pipe 21. In the first embodiment, the top surface of the box body 10 faces the position facing the sun, and the light L is refracted by the lens 12 and focused in the light pipe 21. , and enter the light-absorbing body 31 of the heat-collecting device 30 after multiple reflections by the reflective layer 21a; In addition, the light-absorbing layer will also convert the light L into heat energy. The light-absorbing body 31 conducts the heat energy to the heat storage tank 32, and then conducts the heat energy to external facilities through the output pipe 321, such as conducting the heat energy to the water storage tank, so that The liquid in the storage tank is heated up and used as hot water. In this embodiment, the light absorber 31 is in direct contact with the heat storage tank 32, which can reduce the loss of heat energy during the transfer process.

Please refer to Fig. 3 and Fig. 4 for the second embodiment of the present invention, a lifting roller blind 50 is also installed on the top surface of the box body 10, and the lifting roller blind 50 is used to cover the top surface of the box body. 30 failure or temporarily not in use, the lifting roller blind 50 can be used to shield sunlight and block the heat source; in addition, a cleaning device is also provided between the lifting roller blind 50 and the top surface of the box body 10, and the cleaning device can be a roller brush 52 and/or sprinkler 51, when the heat collecting device 30 fails or is temporarily not in use, the lifting roller blind 50 can be pulled up to cover the top surface of the box body 10, so as to block the sun's rays L and prevent the heat collecting device 30 from In addition to being burned, it can also prevent dust, hail and other foreign matter from causing damage to the casing 10. In addition, the effect of cleaning the surface of the casing 10 is also achieved when the lifting roller shutter 50 is raised and lowered. The direction of the bottom surface of the lifting roller blind 50 rotates, so foreign matter on the lifting roller blind 50 can also be made to fall due to gravity when the lifting roller blind 50 is retracted, so as to achieve the effect of self-cleaning.

Please refer to the third embodiment of the present invention in Fig. 5, in the third embodiment, there are a plurality of lenses 12 arranged on the top surface of the casing 10, the optical path mechanism is a light guide lens group, each of the lenses 12 and the collector The optical paths between the thermal devices 30 all have at least one focal length conversion lens 63, at least one reflector 62 and at least one focusing lens 61 arranged in sequence in the box, wherein the focal length conversion lens 63 is relatively close to the lens 12. , the focusing lens 61 is arranged relatively close to the heat collecting device 30, and the reflector 62 is arranged between the focal length conversion lens 63 and the focusing lens 61, thus forming a high, There are three different temperature ranges, medium and low, so that the light-collecting materials can be selected more effectively to reduce costs.

Please refer to Figure 6, which is a schematic diagram of the light path of light L entering the heat collecting device through the optical path mechanism. When the light L enters the box 10 after being refracted by the lens 12, the light L is refracted to the reflector 62 through the focal length conversion lens 63, and then reflected The mirror 62 is reflected to the focusing lens 61, and the light L enters the light absorbing body 31 through the focusing lens 61, so that the light L is continuously reflected and absorbed in the heat collecting device 30, thereby generating heat energy, and the heat energy is transferred by the light absorbing body 31 The heat is transferred to the heat storage tank 32, and then the heat energy is transferred to external facilities through the output pipe 321, for example, the heat energy is transferred to the water storage tank, so that the liquid in the water storage tank is heated up and used as hot water.

Please refer to FIG. 7 and FIG. 8 for the fourth and fifth embodiments of the present invention. The heat collecting device 30 adopted in the fourth embodiment and the fifth embodiment of the present invention includes a light absorber 41 connected to a heat transfer groove 42, a A heat transfer device 43 is arranged on the heat transfer tank 42, and the heat transfer device 43 can be but not limited to a heat transfer tube; and a thermoelectric chip module is arranged 44 between the heat transfer tank 42 and a heat transfer device 43, wherein The light absorbing body 41 is a hollow spherical cavity, and the heat transfer groove 42 on the top of the light absorbing body 41 is connected to the heated end of the thermoelectric chip module 44 or connected to the heat transfer device 43 through filling a heat conducting medium. When the chip module 44 is used, the heat transfer device 43 is connected to the cold end of the thermoelectric chip module 44. When the light L enters the box 10 after being refracted by the lens 12, the light L is continuously reflected in the light absorber 41 and absorbed. Heat energy is generated, and the heat energy is transferred to the thermoelectric chip module 44 or the heat transfer device 43 through the heat conduction medium, and the heat transfer device 43 conducts the heat energy to the heat storage tank 32 or external facilities for application. In this way, not only can the thermoelectric chip module 44 be effectively used for power generation, but also the waste heat energy of the thermoelectric chip module 44 can be transferred to the heat storage tank 32 or used in external facilities to improve energy efficiency. In other embodiments, the heat collecting device 30 is not limited to the aforementioned structure, and may be any form of heat collecting device.

Please refer to FIG. 7 and FIG. 8 for the fourth and fifth embodiments of the present invention. In the fourth and fifth embodiments, the box 10 is a rectangular box with a universal adjustment member 151 arranged on the base. on the seat 15, and the setting position of the universal adjustment member 151 is set corresponding to the center of gravity position of the counterweight of the box body 10 (that is, the center point position of the diagonal line of the box body), so as to facilitate the adjustment of the setting of the box body 10 angle, and have four liquid level counterweight devices 70 arranged at the four corner positions inside the box body 10, the liquid level counterweight device 70 is a water tank, the sun rises from the east and sets from the west every day, in order to completely collect the sun Light, by setting the liquid level counterweight device 70 and using it with the universal adjustment member 151, with the position of the sun, the amount of liquid in each water tank is individually controlled, so that the tank 10 presents different installation angles, for example , when the sun’s irradiation angle is on the right side of the box body 10, the liquid volume in the two water tanks on the right side of the box body 10 is controlled to be greater than the liquid volume in the two water tanks on the left side of the box body 10, so that the box body 10 is tilted to the right In this way, the top surface of the box body 10 can be made to face the position of the sun, and the sunlight can be completely collected to achieve the effect of chasing the sun. In other embodiments, the number of the liquid level counterweight device 70 is two, and they are respectively arranged at the center points of the two long sides or the two short sides inside the box body 10, so as to achieve the control of the aforementioned control box body 10. The effect of the position of the top face towards the sun. In addition, the box body 10 may also be of other symmetrical geometric structures.

Please refer to Fig. 9 for the sixth embodiment of the present invention. In the sixth embodiment, the liquid level counterweight device 70 also has a liquid level adjustment controller, and the liquid level counterweight device 70 is connected to an external water source 72 and a Liquid storage tank 74, the liquid level adjustment controller is used to control the liquid in the water tank, the liquid from the external water source 72 is introduced into the water tank or the liquid discharged from the water tank is discharged into the liquid storage tank 74 to facilitate resource reuse, to control The inclination angle of the box body 10 achieves the effect of chasing the sun.

Use the water pressure and liquid level adjustment controller of the external water source 72 to control the liquid level of the water tank to change the inclination angle of the tank 10, so as to achieve the function of tracking the sun without using the power motor to save power consumption. In addition, it can After sunset, the controller is adjusted to control the discharge of the liquid in the part of the water tank, so that the inclination angle of the casing 10 is returned to the initial position in the morning.

The present invention is to control the top surface of the box 10 by setting the box 10 on the base 15 with the universal adjustment member 151, and adjusting the liquid capacity in the liquid level breeding device 70 by the liquid level adjustment controller. The position facing the sun achieves the effect of chasing the sun, and it is equipped with a heat collector with high light collection to achieve a solar energy storage and power generation system with miniaturization and high sunlight utilization.

10: Box 12: Lens 15: Base 151:Universal adjustment piece 21: Light pipe 21a: reflective layer 21b: insulation layer 30: Heat collector 31,41: absorber 32: heat storage tank 321: output tube 322: input tube 42: heat transfer tank 43: Heat transfer device 44: Thermoelectric chip module 50: Lifting roller blind 51: sprinkler 52: roller brush 61: focus lens 62: Mirror 63: focal length conversion lens 70: Liquid level counterweight device 72: External water source 74: reservoir L: light

Fig. 1 is a schematic diagram of the first embodiment of the present invention.

Fig. 2 is a light path diagram of the first embodiment of the present invention.

Fig. 3 is a schematic diagram of the second embodiment of the present invention.

Fig. 4 is a schematic diagram of a cleaning device according to a second embodiment of the present invention.

Fig. 5 is a schematic diagram of a third embodiment of the present invention.

Fig. 6 is a light path diagram of the third embodiment of the present invention.

Fig. 7 is a schematic diagram of a fourth embodiment of the present invention.

Fig. 8 is a schematic diagram of a fifth embodiment of the present invention.

Fig. 9 is a schematic diagram of the sixth embodiment of the present invention.

none

10: Box

32: heat storage tank

41: Absorber

50: Lifting roller blind

70: Liquid level counterweight device

Claims (10)

A solar energy storage and power generation system, which has a box set on a base, a heat collecting device set in the box, and at least one lens set on the top surface of the box, characterized in that: the box is a The hollow box body has a plurality of liquid level counterweight devices respectively arranged at each corner position inside the box body. The solar energy storage and power generation system as described in Claim 1 further has at least one optical path mechanism correspondingly arranged between the at least one lens and the heat collecting device for collecting light irradiated on the at least one lens. The solar energy storage and power generation system according to claim 2, wherein the optical path mechanism is a light guide mirror group or a light guide tube group. The solar energy storage and power generation system according to claim 1, further comprising a universal adjustment member disposed on the base and corresponding to the center of gravity of the box. The solar energy storage and power generation system according to claim 1, wherein the inside of the box is a vacuum chamber. In the solar energy storage and power generation system described in claim 1, a heat storage tank is arranged in the box and connected to a heat transfer device of the heat collecting device, and the heat storage tank has an output pipe and an input pipe passing through the side of the box. The solar energy storage and power generation system as described in claim 1, wherein the liquid level counterweight device has a liquid level adjustment controller for introducing liquid from an external water source into the liquid level counterweight device or adjusting the liquid level counterweight The liquid discharged from the device is discharged into a liquid storage tank. The solar energy storage and power generation system as described in Claim 1 further has a lifting roller blind arranged on the box body, and the lifting roller blind is used to cover the top surface of the box body. The solar energy storage and power generation system as described in Claim 8 further has a cleaning device disposed between the lifting roller blind and the box. The solar energy storage and power generation system as described in any one of claim 1 to claim 9, wherein the heat collecting device has a light absorbing body, and the light absorbing body is a hollow cavity.

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