Active solar heat-gathering and energy-storage system and method thereof

A technology of solar heat concentrating and energy storage system, applied in the field of photovoltaic photothermal, which can solve the problems of low photoelectric efficiency, difficulty in upgrading, and small energy efficiency ratio of photovoltaic products, and achieve the effect of maintaining the working temperature range and improving the utilization rate

Pending Publication Date: 2019-05-07
青岛智睿昌晟新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the period from 2012 to 2017, the cost of my country's traditional solar photovoltaic industry chain has been reduced by nearly half, and the gross profit of each link in the photovoltaic industry chain has also been fundamentally differentiated. The energy efficiency ratio of photovoltaic products has been compressed smaller and smaller. It is difficult to have a substantial improvement
[0005] 3. In the actual use process, the existing photovoltaic panels are pr

Method used

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  • Active solar heat-gathering and energy-storage system and method thereof
  • Active solar heat-gathering and energy-storage system and method thereof
  • Active solar heat-gathering and energy-storage system and method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0046] Example 1, such as Figure 1 to Figure 6 As shown, the active solar thermal energy storage system mainly has the following devices connected to each other in sequence:

[0047] The photovoltaic power generation device 1 converts the visible light into photovoltaics through the photovoltaic panel 11;

[0048] The heat pump device 2 is used to transfer the heat energy generated by the photovoltaic panel 11 to the energy storage device 3 through the refrigerant circulation pipeline 21; the evaporator assembly 22 of the heat pump device 2 is connected with the photovoltaic panel 11 to form a heat collecting device 20;

[0049] The energy storage device 3 is used to absorb and store heat unidirectionally transferred from the heat pump device 2.

[0050] The photovoltaic power generation device 1 further includes a controller 12, a battery 13, an inverter 14 and a sensor 15.

[0051] Among them, such as figure 1 As shown, the controller 12 is connected to and controls the working state...

Example Embodiment

[0077] Example 2, such as Figure 7 with Figure 8 As shown, the evaporator assembly 22 of the active solar heat gathering and energy storage system is preferably a one-way multi-channel heat exchanger 50.

[0078] In the one-way multi-channel heat exchanger 50, a plurality of sets of parallel and parallel heat exchange tubes 53 are connected between the inlet collecting pipe 51 and the outlet collecting pipe 52;

[0079] The heat exchange tube 53 is firmly connected to the bottom plate 54 and the bottom plate 54 is closely attached to the photovoltaic panel 11 through the thermally conductive glue 29;

[0080] The heat exchange tube 53 has a cross-sectional structure of a flat tube and / or a D-shaped tube to increase the contact heat exchange area;

[0081] The refrigerant fluid flows in from the inlet manifold 51 in the upper area, divides evenly in the heat exchange tube 53, and finally flows out from the outlet manifold 52; one side of the heat exchanger has a bottom plate 54 and mu...

Example Embodiment

[0082] Example 3, such as Picture 9 with Picture 10 As shown, the evaporator assembly 22 of the active solar energy concentrating energy storage system is preferably a plate and tube heat exchanger 60.

[0083] A multi-directional and multi-channel tube 62 is formed on the plate 61 through an inflation process, and the refrigerant circulates between the inflow header 63 and the outflow header 64;

[0084] On the same side of the plate-tube heat exchanger 60, the bonding parts between the plate 61, the tube 62 and the photovoltaic panel 11 are coated with a layer of thermally conductive glue 29;

[0085] The tube 62 has a cross-sectional structure of a flat tube and / or a D-shaped tube;

[0086] The refrigerant enters from the inflow header 63 and is divided into multiple flow channels, and flows out from the outflow header 64 after multiple round-trip cycles; the contact side of the heat exchanger and the photovoltaic panel 11 transfers heat through heat conduction, and the opposite s...

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Abstract

The invention discloses an active solar heat-gathering and energy-storage system and a method thereof. The invention discloses a new active heat-gathering and energy-storage system and method on the basis of organic combination for a photovoltaic power generation technology and a heat pump cycle technology. The new active heat-gathering and energy-storage system and method aim at effectively transmitting and storing the heat energy formed by absorbing solar energy, so that the absorption and conversion efficiency for the solar energy is increased as a whole, and the energy efficiency ratio andthe market value of a photovoltaic product are further increased. The system mainly comprises the following devices which are mutually connected in sequence: a photovoltaic power generation device, aheat pump device and an energy accumulation device, wherein the photovoltaic power generation device absorbs visible light through a photovoltaic panel and convers the visible light to light electricity; the heat pump device is used for transferring the heat energy generated by the photovoltaic panel to the energy accumulation device through a refrigerant cycle pipeline; an evaporator assembly ofthe heat pump device is connected with the photovoltaic panel to form a heat-gathering device; and the energy accumulation device is used for absorbing and storing the heat unidirectionally conveyedfrom the heat pump device.

Description

technical field [0001] The invention is based on the organic combination of photovoltaic power generation and heat pump cycle technology, thereby realizing a brand-new active solar thermal energy storage system and its method, belonging to the field of photovoltaic photothermal technology. Background technique [0002] Existing solar photovoltaic power generation equipment has been widely used, and solar energy can be converted into photoelectricity through photovoltaic modules. However, in the field of solar photovoltaic power generation, the photovoltaic systems and control methods currently used have the following problems and defects: [0003] 1. The utilization efficiency of solar energy resources is low and the waste is serious. In the solar spectrum, only part of the photon energy of visible light can be converted into photoelectricity, and other photon energy, as well as infrared energy accounting for about 53%, are released in the form of ordinary heat energy, so t...

Claims

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Application Information

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IPC IPC(8): F24S60/00F24S20/40F24D15/02F24D15/04F24D17/02H02S40/44
CPCY02E10/40Y02E10/50Y02E10/60
Inventor 朱国华杨明卿陶海波张恒敬颜承恩周霞
Owner 青岛智睿昌晟新能源科技有限公司
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