1946 results about "Collector device" patented technology

The invention discloses a swimming pool waste heat recovery system based on a phase change energy storage material, and belongs to the technical field of phase change energy storage technologies. The system comprises a phase change energy storage module which realizes efficient energy storage in a wide temperature range through phase change materials with different melting points; the heat exchange module adopts a bionic fractal spiral structure and an advanced surface treatment technology, so that the heat exchange area is obviously increased, and the fluid resistance is reduced; the intelligent hierarchical control module is used for realizing comprehensive intelligent management from millisecond-level real-time control to long-term optimization; the sensing network module is combined with optical fiber sensing and wireless sensing technologies and is used for providing high-precision and high-spatial-resolution omnibearing monitoring; the energy conveying module achieves efficient, reliable and low-noise fluid conveying through the integrated design of a magnetic suspension bearing and a permanent magnet synchronous motor. The auxiliary heating module integrates a solar heat collector and a CO2 heat pump, uses a phase change material as a heat buffer, and provides a flexible and efficient supplementary heat source when stored energy is insufficient.

The invention relates to the technical field of comprehensive energy management, and particularly discloses a comprehensive energy optimization scheduling system based on adaptive adjustment, which comprises a solar heat collection module, a heat storage module, a thermoelectric conversion module, a data acquisition module, an intelligent control module and an optimization scheduling module, solar energy is converted into heat energy; the heat storage module is used for storing heat energy generated by the solar heat collection module; the thermoelectric conversion module converts heat energy stored in the heat storage module into electric energy and provides the electric energy for a load. The data acquisition module is responsible for collecting key parameters related to system operation; the intelligent control module adaptively adjusts the operation parameters of the heat collector, the heat storage module and the thermoelectric conversion module to ensure the stable operation of the system; the optimization scheduling module establishes a supply optimization model, optimizes energy supply, establishes a load model, predicts future power load demands, reduces energy waste and improves the energy utilization rate.

The invention discloses a double-water-tank water heater, a control method, a storage medium and electronic equipment. The double-water-tank water heater comprises a heat pump unit, a heating water tank, a heat preservation water tank and a solar heat collector. The water outlet end of the heat pump unit is communicated with the first water inlet of the heating water tank, and the water inlet of the heat pump unit is communicated with the first water outlet of the heating water tank; a first water inlet of the heat preservation water tank is communicated with a second water outlet of the heating water tank, a first water outlet of the heat preservation water tank is communicated with a user water outlet end, and a second water outlet of the heat preservation water tank is communicated with a second water inlet of the heating water tank; the water outlet end of the solar heat collector is communicated with the third water inlet of the heating water tank, and the water inlet of the solar heat collector is communicated with the third water outlet of the heating water tank. According to the invention, when the heating triggering temperature of the heat preservation water tank is set to be low, heating can be quickly completed, the heating time is shortened, and the hot water outlet speed is ensured, so that the water outlet speed and the energy efficiency are both considered.

The invention provides a solar frequency division PV / T system coupled with a micro-nano film and a cavity type heat collector. The solar frequency division PV / T system comprises a linear Fresnel lens and the cavity type solar heat collector. A lighting window is formed in the heat collector in the axis direction, a micro-nano frequency division film is arranged on the inner wall face, right facing the lighting window, of a heat absorption cavity, and a concentrating photovoltaic cell is arranged below the micro-nano frequency division film. Sunlight is concentrated to the lighting window through the linear Fresnel lens at the top, is secondarily reflected by the lighting window to be collected to the cylindrical heat absorption cavity of the heat collector and irradiates the micro-nano film at the bottom, the micro-nano film transmits available wave bands in solar spectrum to the photovoltaic cell for power generation, light of other wave bands is reflected to the inner wall face of the heat absorption cavity, and the light of the other wave bands is reflected to the inner wall face of the heat absorption cavity. The heat is absorbed by the heat absorption coating, converted into heat energy and transmitted to the working medium layer, so that gradient utilization of the full spectrum of the sun is realized. The cavity type heat collector structure can effectively reduce energy dissipation caused by radiation and convective heat transfer, and the solar energy utilization efficiency of the system is improved.

The invention relates to the technical field of intelligent heat supply, in particular to a multi-source energy fusion agricultural greenhouse intelligent heat supply and regulation and control system, which comprises a multi-source energy acquisition module for acquiring energy output parameters of a solar heat collector, a geothermal well and a biomass boiler in real time and monitoring external meteorological data of a greenhouse; the energy dynamic matching module is used for generating an energy scheduling strategy through a dynamic priority algorithm and outputting a target energy type and supplied energy; the energy storage buffer module is used for storing or releasing the supplied energy and outputting the temperature and the residual capacity of an energy storage medium; the multi-parameter coupling regulation and control module is used for generating a regulation and control instruction through an environment parameter coupling model; the actuating mechanism driving module is used for converting the regulation and control instruction into control signals of a heater, a fan and a humidifier; the self-learning optimization module is used for dynamically correcting the dynamic priority algorithm and the environment parameter coupling model; according to the invention, through multi-parameter cooperative regulation and dynamic optimization, crops are ensured to be in the optimal environmental conditions in different growth stages.

The invention provides a solar energy-air energy composite heat pump system based on self-contained energy storage cascade application and a control method. The solar energy-air energy composite heat pump system comprises a heat pump host module, a solar module and a hydraulic module. Hot water generated by the solar heat collector is accumulated in the energy storage water tank and serves as an external heat source for active enhanced vapor injection to improve the performance of the heat pump. An active enhanced vapor injection device is designed for a heat pump host module, a refrigerant in an economizer absorbs heat of heat storage hot water, is jetted to a middle pressure cavity of a compressor and is converted into heating capacity, and the performance of the heat pump is greatly improved. When it is detected that the temperature in the heat storage water tank is reduced to a certain temperature, the flow direction of the heat storage hot water is switched through the switching assembly, the heat storage hot water is pumped to the heat pump fluorine-water heat exchanger for heat exchange, the heat pump performance is improved, and cascade application of the heat storage hot water is achieved. Refrigerant flows in the fin type heat exchanger and the fluorine-water heat exchanger are controlled by respective electronic expansion valves, and the opening degrees of the fin type heat exchanger and the fluorine-water heat exchanger are adjusted according to respective air suction superheat degrees, so that respective optimal heat exchange effects are realized.

The utility model belongs to the field of crude oil heating, and particularly relates to a crude oil heating device which comprises an air energy heat pump, a water-oil heat exchanger, an air-oil heat exchanger, a solar hot air heat collector and a ground source heat exchanger. A heat exchanger tube pass is arranged in an inner cavity of the water-oil heat exchanger, the two ends of the heat exchanger tube pass are communicated with a heat exchanger oil conveying pipe, and the ground source heat exchanger is communicated with an air source evaporator copper pipe and used for evaporating refrigerants in a pipeline of the ground source heat exchanger and the air source evaporator copper pipe. The heat pump and other two heat sources can form a multi-source heating device, and the system keeps constant temperature through crude oil secondary heat exchange and phase change heat storage, is energy-saving, efficient and pollution-free, can adapt to cold weather, and is suitable for popularization.

The invention relates to the technical field of heat storage water tanks, in particular to a heat storage water tank with a good heat preservation effect, which comprises a water storage tank, a heat preservation structure is arranged on the inner side of the water storage tank, a heat storage structure is connected to the bottom side of the water storage tank, and a conversion structure is connected between the heat storage structure and the water storage tank. A positioning structure is connected between the water storage tank and the heat preservation structure, a supporting structure is arranged at the bottom of the water storage tank, an observation structure is arranged on the side face of the water storage tank, and a communicating hole is formed in the bottom of the water storage tank; the heat preservation capacity of warm water in the water tank can be improved through the heat preservation structure, damage to the heat collector caused by freezing can be avoided through the heat storage structure, the rotating position of the conversion pipe can be conveniently adjusted through the conversion structure, air pressure balance in the water storage tank can be guaranteed through the positioning structure, and adjustment is convenient.

The invention provides a multi-energy coupling air source heat pump heating type selection and operation method and system, and relates to the technical field of air source heat pumps, which comprises the following steps: predicting a heating load according to building parameters and meteorological parameters, selecting an air source heat pump, and connecting a solar heat collector, a heat storage water tank and a heating tail end. Then, according to the meteorological parameters, the heat yield of the solar heat collector is calculated, the heat collection area and the volume of the heat storage water tank are determined, and an air source heat pump heating performance curve is established; and finally, the input temperature threshold value of the solar heat collector and the operation time period of the air source heat pump are determined based on the system operation optimization model, solar energy is preferentially used for heating, heat supply supplementation is conducted in combination with the heat storage water tank and the air source heat pump, and therefore the energy utilization efficiency is improved, and the heating cost is reduced.

The utility model discloses a solar heat collector, which relates to the technical field of solar thermal power generation and comprises a condenser component and a heat collecting tube. The condenser assembly comprises a first condenser, a second condenser and a third condenser, the first condenser comprises a supporting piece and a first reflection assembly rotationally arranged on the supporting piece, the first reflection assembly rotates around the rotating center of the first condenser, and the second condenser and the third condenser are connected with the first reflection assembly. The condensation center of the third condenser coincides with the rotation center of the first reflection assembly. The heat collecting pipe is arranged at the rotating center position of the first reflection assembly. According to the solar heat collector provided by the invention, high-power light condensation is realized by adopting a multi-reflection light condensation mode, and the optical efficiency and the heat collection efficiency of the solar heat collector are improved. Meanwhile, the heat collecting pipe is placed at the rotating center position of the first condenser, the effect that the heat collecting pipe does not rotate can be achieved, and therefore the problem of liquid leakage of a rotating connector of the heat collecting pipe is solved.

The invention discloses a frame assembly for a heat collector and a flat plate heat collector. The frame assembly for the heat collector comprises a frame, the frame is bent to form a rectangular frame structure, the two ends of the frame are connected together, the bent portion of the frame forms a corner portion, and clamping portions are further arranged on the periphery of the frame. The outer edge of the pressing strip is provided with a first turned edge, and the lower edge of the first turned edge is provided with a first clamping matching part; a second flange is arranged on the outer edge of the covering component, and a second clamping matching part is arranged on the lower edge of the second flange. The assembling difficulty of the flat plate collector is reduced, so that the assembling efficiency is improved, and the assembling quality is improved.

The invention relates to the technical field of solar heat collectors, and provides a pitched roof type building integrated solar heat collector which comprises a mounting plate, a solar heat collector body is fixedly connected to the front side face of the mounting plate, a supporting plate is fixedly connected to the back side face of the mounting plate, and an angle adjusting device is arranged at the bottom of the supporting plate; the angle adjusting device comprises a rotating shaft, the circumferential surface of the rotating shaft is rotationally connected to the bottom of the supporting plate, a placing plate is fixedly connected to the circumferential surface of the rotating shaft, and a motor is fixedly connected to the top of the placing plate; through rotation of the output shaft of the motor and cooperation of a threaded sleeve, a pushing strip, a sliding groove, a supporting rod and other assemblies in the angle adjusting device, the effect that when a connecting strip moves backwards, the pushing strip can be driven to move backwards is achieved, and therefore the angle of the solar heat collector can be adjusted, and the solar heat collector can be adjusted to the optimal solar heat receiving angle.

The invention discloses a system and a method for controlling a mirror surface light following angle of a photo-thermal power generation system based on temperature control, and aims to solve the problems that an existing photo-thermal power generation system often depends on a fixed mirror surface angle adjusting strategy and cannot respond to complex illumination and temperature changes in time, so that the heat collection efficiency is low, and the system is inconvenient to use. The system can accurately adjust the angle of the heat collector in real time, maximize the illumination receiving efficiency and optimize the heat collection effect through the cooperation of a plurality of intelligent modules such as the data acquisition module, the illumination prediction module, the temperature prediction module and the mirror surface adjustment module, in addition, the system ensures that the heat collection efficiency is not influenced by angle adjustment through the heat collection efficiency detection and feedback module, and the system is suitable for popularization and application. According to the combined adjusting method based on temperature self-sensing, the self-adaptive capacity, the heat collecting efficiency and the system stability of the photo-thermal power generation system are improved, and the hysteresis quality and instability in the traditional technology are overcome.

The invention relates to the technical field of photo-thermal assemblies, and particularly discloses a photo-thermal assembly with a hexagonal three-split structure, which comprises a photovoltaic laminated part, a heat collector and a frame coating the side edges of the photovoltaic laminated part and the heat collector, the photovoltaic laminated piece sequentially comprises a front plate, a front packaging material, a battery layer, a rear packaging material and a rear plate from bottom to top; the heat collector comprises a second-layer metal plate and a first-layer metal plate, the second-layer metal plate is arranged on the top face of the first-layer metal plate, and an inlet area, a flow dividing area, an evaporation area, a flow guiding area, a confluence area and an outlet area are arranged on the upper surface of the second-layer metal plate. Through geometric structure innovation and flow channel engineering optimization, balance among fluid mechanics, heat conduction and structural strength is achieved, a brand new technical scheme is provided for efficient and safe photo-thermal integrated equipment, and remarkable engineering application value and market competitiveness are achieved.

The invention discloses a method for improving photo-thermal conversion efficiency of a photo-thermal material under large-range light intensity, the photo-thermal material and a solar heat collector, and belongs to the field of solar evaporation water treatment. According to the technical scheme, the method comprises the steps that polyaniline particle-loaded carbon aerogel is prepared, the light intensity range is greatly widened to 10 sunlight intensities or above through a Fresnel lens, the corresponding relation between the material surface water evaporation rate and the temperature change is established, and the energy loss is reduced to the maximum extent by adding a foam side heat insulation layer; and the water evaporation rate of the photo-thermal material is improved. The method is applied to the aspect of solar water evaporation, and the problem that the water evaporation rate is low in an existing solar evaporation method is solved.

The invention discloses a spatial distance measurement method and system based on a three-dimensional measurement fusion technology, and relates to the technical field of spatial distance measurement, and the method comprises the steps: arranging a sensor group which comprises a multi-view vision imaging module and a laser contourgraph module; performing multi-view image acquisition based on the multi-view vision imaging module to generate a preliminary depth map, and performing laser scanning based on the laser contourgraph module to generate three-dimensional point cloud data; the preliminary depth map and the three-dimensional point cloud data are subjected to data fusion, a three-dimensional model of a target object is generated, and the target object is a main bracket of the photo-thermal power generation trough type heat collector; and analyzing the three-dimensional model of the target object, determining the deviation value of each point position of the target object, and obtaining a space distance measurement result of the target object. The technical problem that in the prior art, space distance measurement of a main bracket of a photo-thermal power generation trough type heat collector is low in measurement precision is solved, and the technical effect of improving the measurement precision is achieved.

The invention discloses a geological battery energy storage system and an operation method. The system comprises a medium and low temperature heat storage module, a high temperature heat storage module and a heat engine circulation module. In the heat storage process, low-grade waste heat can be pumped to the medium temperature to be stored in the medium-low temperature heat storage well, or a solar heat collector, an air source heat pump and the like are used for conveying medium-low temperature heat sources to be stored in the medium-temperature heat storage well. In the charging process, a heat source of the medium-low temperature heat storage module is upgraded and stored in a high-temperature heat storage well by using electric power to drive heat pump circulation; in the discharging process, heat engine circulation is adopted to convert stored high-grade heat energy into electric energy. According to the invention, multiple types of underground spaces can be fully utilized to promote new energy consumption, the stability of a power grid is improved, and meanwhile, concealment and safety are achieved.

A solar collector that comprises a conduit for a working fluid, and a parabolic trough reflector arranged to focus reflected sunlight onto the conduit. The parabolic trough reflector is arranged to pivot around the conduit.

The invention relates to the technical field of solar photo-thermal utilization, in particular to a photovoltaic and energy storage standby power supply anti-overheating system for a solar photo-thermal system, which comprises a monitoring communication unit, a control management unit and a remote monitoring unit. In the control management unit, a central control module controls the state of a heat collector according to a multi-parameter fusion judgment algorithm and data of a monitoring communication unit, and an energy management module optimizes power supply and energy storage of a photovoltaic power supply to the heat collector by using a maximum power point tracking and dynamic power distribution algorithm. The heat regulation and control module manages the heat dissipation and heating device through self-adaption, smooth transition and intelligent start-stop algorithms, the state of the heat dissipation and heating device is monitored and evaluated by the remote monitoring unit, and the remote monitoring unit determines a strategy through a multi-target optimization algorithm according to an evaluation result and transmits an instruction to the control management unit through the monitoring communication unit to regulate equipment parameters.

The invention provides a multi-energy complementary heating system suitable for dwellings in Tibet regions, and relates to the technical field of building energy conservation and renewable energy utilization. The multi-energy complementary heating system suitable for the folk houses in the Tibet region comprises a solar heat collector, a phase change energy storage wall, a heat storage water tank, an outdoor air source heat pump unit and a tail end fan coil. The solar heat collector collects heat to provide heat for heating when the solar radiation intensity is high. When the solar radiation intensity is low or in cloudy and rainy days, the air source heat pump unit serves as an auxiliary heat source to absorb heat from outside air for indoor heating; the phase change energy storage wall can store redundant heat and release the heat at night or at low temperature, so that all-weather heating is ensured; when the system is in a non-working state in a cold environment, the water pump is started, so that a circulating medium in a pipeline keeps flowing slowly, and freezing is avoided; the special climate and building structure of Tibet are fully considered, the heating efficiency is improved, and the stability and economical efficiency of the system are enhanced.

The invention discloses an efficient solar photovoltaic direct-driven heat collection and power generation integrated device and a using method thereof.The efficient solar photovoltaic direct-driven heat collection and power generation integrated device comprises a supporting column, a driving device is fixedly installed at the top of the supporting column, a supporting table is fixedly installed at the output end of the driving device, and a photovoltaic panel is fixedly installed at one end of the supporting table; a heat collector is fixedly installed on the side, away from the supporting table, of the photovoltaic panel, a storage battery is fixedly installed at the top of the supporting table, a light sensing device is arranged at the other end of the supporting table, and a protection device is further arranged at the top of the supporting table. When the buffer plate collides with other large parts, the buffer plate can move towards the direction of the baffle plate to absorb the impact force, and the impact may cause the breakage of the photovoltaic panel and even cause the failure of normal operation of the photovoltaic panel, so that the power generation capacity is lost, and the service life of the equipment may be influenced.

The utility model discloses a waste heat recovery stove which comprises a burner, a stove body and a stove cover, a rechargeable battery module; the upper surface of the thermoelectric power generation module comprises a hot end, and the lower surface comprises a cold end; the heat collector is arranged close to the combustor, and the heat collector is connected with the hot end of the thermoelectric power generation module; the radiator is in contact with the cold end of the thermoelectric power generation module, and the radiator is located below the cold end of the thermoelectric power generation module; the shell comprises a bottom shell and a panel arranged on the bottom shell, the thermoelectric power generation module is arranged between the bottom surface of the bottom shell and the panel, a mounting hole is formed in the bottom surface, and at least part of the radiator protrudes out of the bottom surface downwards through the mounting hole; and a circulation part for airflow circulation is formed between the radiator and the mounting hole. The heat dissipation performance of the cold end of the thermoelectric power generation module can be effectively improved, and the large temperature difference between the hot end and the cold end is guaranteed.

The invention belongs to the technical field of solar photo-thermal power generation, and discloses a tower type solar power generation system based on lunar soil particle moving bed heat exchange, which utilizes local materials of lunar soil to prepare solid heat storage particles as a heat transfer and heat storage medium, greatly reduces the mass and volume of the system and the cost and risk of transporting materials from the earth, and improves the energy efficiency. The efficient particle moving bed heat exchanger combining the particle receiver and the heat collector utilizes direct efficient contact heat exchange between solid particles and between the particles and a heat exchange working medium, has the characteristics of high heat exchange efficiency, small heat loss and compact structure, and is particularly suitable for space vacuum and microgravity environments; it is ensured that heat is reliably and stably transmitted to the Brayton cycle power generation system from concentrated solar energy, and power is generated through the Brayton cycle power generation system.

Provided is a power generation system and method based on compressed air energy storage technology through solar auxiliary hot humid air. The system comprises an energy storage subsystem, a solar heat storage subsystem, and a turbine generator subsystem which are connected in sequence. The energy storage subsystem includes a motor, a compressor, and an air storage tank which are connected in sequence. The solar heat storage subsystem includes a solar heat collector and a solar heat exchanger. The solar heat collector and the solar heat exchanger are connected through a heat transfer oil circulation loop. The system compresses and stores compressed air using the electricity of the power grid when an electrical load is within a low valley, releases the compressed air when the electrical load is within a peak, and heats and humidifies the air before entering the turbine using the recovered compression heat and solar energy.

The invention relates to the technical field of photovoltaic photo-thermal heating, and discloses a photovoltaic photo-thermal heat pump heating control method based on a dynamic load. The method comprises the steps that the solar irradiation intensity, the environment temperature, the relative humidity and the building heat load requirement of a target heating area are measured and recorded, and environment load data are formed; on the basis of the data, the connection topology of a photovoltaic photo-thermal heat collector array and a heat pump unit is optimized through a multi-source heat supply assembly collaborative configuration method, and a system structure configuration scheme is determined; according to the scheme, the output thermal power of the heat collector array is dynamically predicted through a photo-thermal conversion efficiency prediction method, and a predicted thermal power distribution scheme is obtained; and finally, on the basis of the predicted heat power distribution scheme, a circulation path of a heat medium between the heat collector array and the heat pump unit is independently controlled through a heat medium directional scheduling method, and a heat medium scheduling instruction is generated. According to the method, dynamic cooperation of all assemblies of the heating system can be achieved, the method adapts to building heat load changes, and the flexibility and adaptability of system operation are improved.

The invention discloses focus ray paraboloid detection equipment and a use method, and belongs to the field of solar reflector precision detection. The device comprises a ray source, a scale and a keel, rays or extension lines of the rays of the ray source penetrate through a paraboloid focus to be detected, a dial corresponding to the rays is arranged on the scale, the original point of the dial and an intersection point ray source are located on the same paraboloid, and the ray source and the scale which are located on the same paraboloid are fixedly connected through a support. The bracket and the ray source form a focus ray paraboloid detection unit; the focus ray paraboloid detection units are arranged in parallel and are perpendicular to the keel; each focus ray paraboloid detection unit is divided into a left group and a right group which are symmetrical, and the left-right distance between the inner sides is larger than or equal to the outer diameter of a heat collecting pipe of a detected paraboloid heat collector. According to the invention, a detection result and an adjustment target can be formed on site after regular operation and detection on an application site.

The invention relates to a molten salt groove type heat collecting device, an operation method of the molten salt groove type heat collecting device and a molten salt groove type photo-thermal power station, and belongs to the field of molten salt groove type photo-thermal power stations. The heat collection mechanism comprises a plurality of heat collectors which are connected in series through pipelines to form a heat collector group, and the two ends of the heat collector group are communicated to the molten salt tank; the heat collector set is arranged in a U shape, a pipeline at the bottom of the U shape is a middle jumper pipe, and the middle jumper pipe is located at the highest position. And a gas outlet of the gas heating mechanism is communicated with the middle jumper pipe. The two ends of the U-shaped heat collector set are communicated with the fused salt tank, the highest position of the heat collector set is communicated with the gas heating mechanism, heating and salt injection can be conveniently conducted on the heat collectors, the automation degree is high, and convenience and rapidness are achieved.

A device and related method that provides, but is not limited thereto, a two-phase heat transfer device with unique combination of enhanced evaporation and increased cooling capacity. An advantage associated with the device and method includes, but is not limited thereto, increased cooling capacity per unit area, controlled and optimized evaporation, prevention of boiling, and prevention of drying of the evaporator. An aspect associated with an approach may include, but is not limited thereto, using anon-wetting coating or structure to keep working fluid away from the spaces between elongated members of an evaporator and using a wetting coating or structure to form thin films of working fluid around the distal region of the elongated members. For example it can be used to cool a computer chip, a skin of a hypersonic flying object, parabolic solar collector, turbine or engine blade, or any other heat source that requires high heat flux.

A heat collector includes a body including a hollow portion extending from a first end to a second end of the body and being a metal-extruded body having a light-receiving surface to receive sunlight, a pair of lids adjacent to the first end and the second end and covering the hollow portion, an inlet located in one of the pair of lids to allow a heating medium to enter the hollow portion, and an outlet located in one of the pair of lids to allow the heating medium to exit the hollow portion.

The carbon dioxide trapping system based on solar energy comprises an absorption tower which is provided with a first inlet, a first outlet, a second inlet and a second outlet; the desorption tower is provided with a third inlet, a third outlet, a fourth inlet, a fourth outlet and a fifth outlet; an inlet of the first pipeline is communicated with the fourth outlet, an outlet of the first pipeline is communicated with the fourth inlet, and a first pump body is arranged on the first pipeline; the reboiler is used for heating the liquid in the first pipeline; the solar heat collector comprises a light gathering piece, the light gathering piece is used for gathering sunlight, the sunlight gathered by the light gathering piece serves as a heat source of the reboiler, the light gathering piece is arranged on at least one of the absorption tower, the desorption tower and the solar installation frame, and the solar installation frame, the absorption tower and the desorption tower are arranged at intervals. Therefore, the carbon dioxide trapping system based on the solar energy has the advantages of reducing energy consumption and saving energy.