23results about How to "Improve heat collection efficiency" patented technology

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 relates to the technical field of solar photo-thermal utilization, in particular to a secondary reflection center receiver concentrating solar heat collection system and a design method thereof. The system is composed of a heliostat field composed of a plurality of heliostats which are symmetrically or approximately symmetrically arranged, an inclined plane secondary reflector installed on a high tower and a receiver which is obliquely installed close to the ground. Each heliostat is accurately controlled through a tracking system, and sunlight is reflected and focused to a common focus located at the high position of the right south of a heliostat field. Afterwards, the light rays are further reflected by the secondary reflector and guided to the receiver, and efficient light energy collection and heat energy conversion are achieved. Through accurate tracking and focusing of the heliostat and the guiding effect of the secondary reflector, the system can efficiently gather sunlight to the receiver, and the light energy collection efficiency is improved. The heliostat field is arranged symmetrically or approximately symmetrically, so that the heliostat field is attractive, shadow shielding can be effectively reduced, and the overall condensation effect is improved.

The invention discloses a seasonally adjustable reflector light-collecting device, which comprises: a main reflector, a rotating rod module, a reflector support adjustment module, and a receiver module; the rotating rod module comprises a support rod, a positioning crossbar, a rotating shaft, a rotating rod, a receiver fixing frame, a counterweight, and a power device; the reflector support adjustment module comprises a rotating frame, an angle adjustment fixing device, and an adjustable reflector support frame; the upper end of the rotating frame is connected to the positioning crossbar, and the rotating frame can rotate around the positioning crossbar, and a greenhouse is arranged outside the main reflector, the rotating rod module, the reflector support adjustment module, and the receiver module. The present application has the advantages of few rotating parts, high solar energy utilization rate per unit area, excellent light-collecting effect, good wind resistance, high device stability, low construction and maintenance cost, and light weight.

The present invention discloses a tracking detection method and system for trough generators, belonging to the field of solar thermal power generation technology, wherein the method includes: obtaining the current heat collection positioning information and the current heat collection angle information of the trough generator; obtaining the current sunshine angle characteristic information; performing heat collection control node feature analysis for a predetermined future time domain to generate a heat collection control characteristic node chain; performing heat collection angle prediction and registration for the trough generator to establish a heat collection angle registration space; performing sunshine capture optimization adjustment to generate a heat collection angle control scheme chain; and performing tracking, detection and regulation on the trough generator. The present application solves the technical problem in the prior art that the heat collection angle regulation is inaccurate and inefficient, resulting in low power generation efficiency and poor system stability of the trough generator.

The present invention provides a solar thermal collector device, which relates to the technical field of solar thermal collectors and includes a mounting frame, wherein the mounting frame is provided with two groups, and a plurality of groups of heat collecting tubes are arranged side by side between the two groups of mounting frames, wherein the heat collecting tube includes an outer tube, an inner tube is installed inside the outer tube, and water inlet and water outlet are arranged at both ends of the inner tube, and plug interfaces are arranged on the surface of the mounting frame corresponding to the two ends of the heat collecting tube, and the water inlet and water outlet of the inner tube can be connected inside the plug interfaces. Compared with the prior art, the heat collecting tube is installed on the mounting frame through a mounting assembly, and two focusing plates at the bottom refract sunlight and illuminate the backlight surface of the heat collecting tube. By driving the heat collecting tube to rotate through the driving assembly, the problem of dead angle of the heat collecting tube can be eliminated, and the heat collecting efficiency of the heat collecting tube can be made higher. The surface of the heat collecting tube can also be cleaned by the focusing plate, thereby preventing the attachments on the surface of the heat collecting tube from affecting direct sunlight.

The utility model discloses a solar heating box with a heat storage function, and belongs to the technical field of heating equipment. The solar water heater mainly comprises a water storage tank and a heat collector which are communicated through a first pipeline and a second pipeline, the solar water heater further comprises a linear module, the linear module is fixed to one side of the heat collector, the linear module and vacuum tubes of the heat collector form the same inclination angle, and a sliding table of the linear module is provided with a movable cross beam stretching across the vacuum tubes on the heat collector. The linear module is used for driving the movable cross beam to move up and down; the multiple cleaning assemblies are evenly installed on the lower end face of the movable cross beam at intervals. According to the solar heating box with the heat storage function, by arranging the linear module and the cleaning assembly, the outer surface of the vacuum tube of the heat collector can be automatically cleaned, the convenience and safety of cleaning are improved, it is ensured that the vacuum tube keeps good heat collection efficiency all the time, and the overall performance of the solar heating box is improved.

The invention relates to the field of solar equipment, and provides a Fresnel lens heat collector, a control method and electronic equipment, and the control method comprises the steps that the current position of a light spot formed by sunlight on the heat collector is obtained, and the light spot is formed through a Fresnel lens; calculating an offset between the current position and a target position; and adjusting the current position of a light spot formed by the Fresnel lens based on the offset. The Fresnel lens heat collector is used for overcoming the defect that the working efficiency of a solar system is low due to the fact that a heat collector in the related technology is limited in solar heat energy collecting efficiency, sunlight can be automatically tracked through the Fresnel lens heat collector, and the heat collecting efficiency and reliability are greatly improved.

The invention discloses a solar photovoltaic heat collector with a light condensation and heat exchange structure, and relates to the technical field of solar photovoltaic heat collectors, the solar photovoltaic heat collector integrates two solar energy utilization modes of photovoltaic power generation and solar heat collection to form an integrated structure, the two solar energy utilization modes are independently carried out, and the solar energy utilization modes are independently carried out. In the preheating process, solar heat collection serves as a main guide, an aqueous medium serves as a main body and is combined with a water body heat stratification phenomenon, and when the whole structure is put into operation, heat energy generated in photovoltaic power generation is further utilized to act on the aqueous medium; it can be understood that on the basis of cooling protection, photovoltaic power generation efficiency is prevented from being affected in a high-heat environment, the solar energy utilization rate can be improved, and on the basis of the technical content, the flowing mode of a water medium is further changed, on one hand, the balance in the water body heat stratification phenomenon is broken, and on the other hand, the water body heat stratification phenomenon is broken; and on the other hand, the water medium in the heat exchange bin is mainly driven to flow.

The invention discloses a straight-through pipe S-shaped flow channel solar heat collection water device which comprises a water tank, and the top end of the water tank is detachably connected with an end cover; the circulating system is mounted on the water tank; a plurality of straight-through type solar vacuum tubes are fixed on the fixed support in parallel, and the plurality of straight-through type solar vacuum tubes are communicated in series in an S-shaped structure through a pipeline series system; the two groups of temperature sensors are respectively arranged on the water tank and the pipeline series system and are used for monitoring the water temperature in the water tank; the flow sensor is mounted on the circulating system; the control device is electrically connected with the circulating system, the temperature sensor and the flow sensor; and a heat absorption coating is arranged in the straight-through type solar vacuum tube. The straight-through type solar vacuum tubes are adopted, an S-shaped vacuum tube arrangement mode is formed through pipeline series connection system installation, water flow dead zones in the vacuum tubes are eliminated, incrustation accumulation is reduced, and the heat collection efficiency is improved.

This invention discloses a dynamic control and heat collection system and its application based on flexible radiative cooling materials, belonging to the field of solar energy utilization technology. It includes several biomimetic phototactic flexible curved surface radiative cooling device fields, a tracking system, and a solar thermal utilization system. The biomimetic phototactic flexible curved surface radiative cooling device fields include a flexible radiative cooling film, a film surface flat-curvature conversion device, and several support rods. The tracking system includes a controller and temperature and light intensity sensors electrically connected to the controller. The solar thermal utilization system includes a solar receiver and a heat storage tank, with a heat transfer medium inside the heat storage tank. Under high-temperature conditions, the flexible radiative cooling film reflects sunlight to the solar receiver while simultaneously dissipating heat to the outside through infrared radiation, reducing the energy consumption required for indoor cooling of buildings. At the same time, the heat collected by the solar receiver is stored in the heat storage tank and can be used for daily hot water supply in buildings, achieving efficient utilization of solar energy.

The utility model relates to a photovoltaic energy-saving heating device which comprises a heating tank, a heating assembly and a protection assembly and is characterized in that the heating assembly adopts a conical photovoltaic panel, a stand column is arranged in the center of the conical photovoltaic panel, and the lower end of the stand column is fixed to the center of the top face of the heating tank; the protection assembly is a conical transparent protective cover arranged on the outer side of the conical photovoltaic panel, the lower edge of the conical transparent protective cover is fixedly connected with the top face of the heating tank, a vertical shaft is fixed to the top end of the conical transparent protective cover, an arch-shaped supporting rod is hinged to the top end of the conical transparent protective cover through the vertical shaft, and the two ends of the arch-shaped supporting rod extend to the lower edge of the conical protective cover and are connected with a transmission gear ring. A transmission gear meshed with the transmission gear ring is supported on the top of the heating tank, and an ash removal scraping strip attached to the outer side face of the conical transparent protective cover is arranged on the inner surface of the arch-shaped supporting rod. The device has a good protection effect on the photovoltaic panel, and meanwhile, dust and other sundries are cleaned in time, so that the heat collection efficiency is further improved.

The invention belongs to the technical field of efficient utilization of solar energy, and discloses a heat pipe type solar vacuum heat collection evaporator. The heat pipe type solar vacuum heat collection evaporator comprises a support and a shell connected to the end, away from the ground, of the support, and further comprises a heat exchange main pipe arranged in the shell; the heat pipe penetrates into the shell and is communicated with the heat exchange main pipe; the arc-shaped cover covers the peripheral side of the heat pipe; the first driving part is arranged on one side of the support and is configured to drive the arc-shaped cover to rotate in the circumferential direction of the heat pipe with the axis of the arc-shaped cover as the axis. According to the invention, the arc-shaped cover driven by the first driving part is arranged to reflect sunlight rays which cannot be utilized originally, and heat energy of the sunlight rays which cannot be received originally acts on the heat pipe, so that the original shady side of the heat pipe is utilized to absorb more heat, and the heat collecting device has positive significance in improving the heat collecting efficiency of equipment.

The present invention relates to the technical field of crop drying, and in particular to an agricultural crop drying device that is convenient for layered drying, comprising a body, a drying mechanism and an exhaust mechanism, wherein the drying mechanism comprises a column fixedly mounted on the top of the body, a plurality of electromagnetic vibrators are fixedly mounted on the bottom of the outer wall of the column, a spiral drying tray is fixedly mounted on the outer wall of the column, the exhaust mechanism comprises a negative pressure fan fixedly mounted on the inner wall of the column, and a plurality of air vents are provided through the side wall of the column. The advantages are: the continuous air flow provided by the air vents effectively accelerates the evaporation of moisture on the surface of the crops, the crops vibrate and slide down on the drying tray, and under the dual effects of sunlight heat and wind flow, the moisture is continuously evaporated into water vapor and sucked into the column, ensuring that the moisture in the crops evaporates rapidly, improving the drying speed and efficiency, and at the same time, debris is sucked into the air vents and introduced into the drop pipe, which can efficiently separate the debris and reduce the impact of the debris on the crops.

The invention discloses a solar coupling heat pump combined cooling heating and power supply system and a working method thereof, a power generation-utilization system of the combined cooling heating and power supply system comprises a PVT assembly, an inverter, a power grid and a user side in a building, and the inverter is connected with circuits of the power grid and the user side; the heat production-heat storage-heat utilization system comprises a heat collection water tank, a domestic hot water tank, a heat exchanger, a water-water source heat pump and an air-water heat exchanger, the heat exchanger is connected with a cold water port and a hot water demand end, and the cold water port and the hot water demand end are respectively connected with a waterway pipeline of a user end; the refrigeration-cold accumulation-cold utilization system comprises a cold water tank and a fan coil, and the fan coil supplies cold to the user side; the working method comprises a power supply mode, a heat supply mode and a cold supply mode. The PVT coupling heat pump key technology and the sub-module control strategy are adopted, intelligent combination of solar energy and electric energy is achieved, the system is endowed with the combined cooling heating and power supply function, and the system is an effective way for improving the comprehensive utilization rate of solar energy and achieving energy conservation and emission reduction of buildings.

The utility model belongs to the field of energy technology especially relates to a heat storage heating device, including support seat, liquid storage bucket, connecting valve, apron and lens, support seat installs one end of liquid storage bucket, the bottom end symmetry of liquid storage bucket is installed with two connecting valves, apron installs the other end of liquid storage bucket, and the lens is fixedly connected in the form of embedding in the central position of apron upper portion. Through the automatic angle adjusting spotlight system that support ring, reflector, connecting shaft, servo motor, worm and worm wheel constitute, can maximize utilization solar energy, improve the capture ability of device to solar energy, and can real -time adjustment reflector's angle according to the sun light direction, make reflector keep optimum reflection angle in different time period and different seasons, thereby more sunlight is reflected to the liquid storage bucket surface, realizes all -weather high -efficient light collection, and the overall heat collection efficiency is improved significantly.

This invention relates to the field of solar thermal collection system technology and discloses a solar thermal collection system, including a base plate, two support frames installed on the top surfaces of the front and rear ends of the base plate, and an arc-shaped support plate fixedly disposed between the two support frames. A water tank is placed inside the arc-shaped support plate, and L-shaped frames are vertically fixed on both sides of the arc-shaped support plate. A heat collection mechanism and a reflective arc plate are arranged sequentially from top to bottom between the two support frames. This solar thermal collection system, by setting a positioning mechanism, uses limiting and locking parts to position the reflective arc plate, ensuring that the reflective arc plate always provides auxiliary heat collection for the heat collection plate, thus continuously improving the solar thermal collection efficiency of the heat collection plate. The solar thermal collection efficiency is further improved by setting a second heat collection tube inside the reflective arc plate. By installing a mounting plate with a light sensor above the support frames, the system can adjust the angle of the heat collection plate in real time according to the angle of sunlight.

The utility model belongs to the technical field of evacuated collector tubes, and discloses an all-glass metal heat tube direct insertion type solar evacuated collector tube. The vacuum heat collecting tube comprises a full-glass transparent vacuum tube inner tube and a full-glass transparent vacuum tube outer tube, wherein the outer walls of the inner tube and the outer tube are not plated with heat absorption film layers; one end of the inner tube of the all-glass transparent vacuum tube is closed up and connected with the inner wall of the outer tube of the all-glass transparent vacuum tube in a supporting mode through a support, and the other end of the inner tube of the all-glass transparent vacuum tube is sealed with a port of the outer tube of the all-glass transparent vacuum tube in a melting mode. The evacuated tail nozzle of the outer tube of the all-glass transparent vacuum tube is cut off and sintered to be sealed; the full-glass transparent vacuum tube inner tube is filled with nitrogen and then is provided with a strip heat tube assembly; the strip heat pipe assembly and the full-glass transparent vacuum pipe inner pipe are sealed through sealant. The utility model solves the problems of large glass conduction heat resistance, low heat transfer efficiency, serious heat efficiency attenuation and the like, and has the characteristic of high heat collection efficiency.

The utility model discloses an adjusting device of a full-automatic opening and closing street lamp type solar rapid heat collector, which comprises a lamp pole, a heat collector fixed at the upper end of the lamp pole, a photovoltaic panel fixed at the upper end of the heat collector, a supporting plate fixed on the outer wall of the lamp pole, and an adjusting assembly rotatably connected with the upper end of the supporting plate along the circumference of the supporting plate. The upper ends of the adjusting assemblies are rotationally connected with reflective heat collecting plates correspondingly, light following sensors are fixed to the upper ends of the reflective heat collecting plates correspondingly, motors fixedly connected with the supporting plate are arranged at the lower ends of the adjusting assemblies correspondingly, telescopic lamp poles fixedly connected with the lamp pole are symmetrically arranged at the lower end of the supporting plate, and illuminating lamps are fixed to the telescopic lamp poles correspondingly. A photosensitive sensor fixedly connected with the outer wall of the lamp pole is arranged between the two illuminating lamps, the photosensitive sensor, a light following sensor and an adjusting assembly are matched for work, the angle of the reflective heat collecting plate is adjusted in real time while opening and closing of the reflective heat collecting plate are achieved, sunlight reflected by the reflective heat collecting plate is irradiated on a heat collector all the time, and the illumination effect is improved. And the heat collection efficiency of the heat collector is improved.

The present invention provides a photovoltaic solar heat pump combined drying system, which relates to the field of drying technology, and includes: a photovoltaic component frame and a drying cylinder component, wherein a double-end drive motor is installed on one side of the photovoltaic component frame, and a fixed bracket is installed at the edge position of the rear side of the photovoltaic component frame; it is characterized in that a positioning rod is installed on the inner side of the fixed bracket; a guide piece is slidably installed on the outer side of the positioning rod; an adjustment plate is installed on the outer side of the guide piece; a material feed port is provided on the top of the drying cylinder component, and a guide cover is provided on the side of the drying cylinder component; a fan is installed on the outer side of the guide cover; and a collection cover is installed on the other side of the drying cylinder component. By using a protective tube to protect the pipeline for transporting heat energy, the loss of heat energy during the flow process is reduced, and the problem that the photovoltaic solar heat pump is at a long distance from the drying equipment, but some heat energy is lost during the transportation process is solved.

This patent discloses a multi-dimensional combined adjustable CPC heat collecting device, including a straight-through all-glass vacuum heat collecting tube with a jack, a curved heat pipe vacuum heat collecting tube, a primary semi-compound parabolic concentrator, a secondary curved double-dimensional compound parabolic concentrator, and a two-stage adjustable angle support frame device, wherein the lower end of the curved heat pipe vacuum heat collecting tube is inserted into the straight-through all-glass vacuum heat collecting tube with a jack. The CPC collector device adopts a combination of longitudinal and transverse focusing, two-time and one-time focusing, curved heat pipe and straight-through vacuum heat collecting tubes, collector orientation adjustment and reflector angle adjustment, etc., so as to achieve a higher heat collection temperature by increasing the concentration ratio as much as possible while ensuring the sunlight receiving angle, reduce optical loss and the number of reflector angle adjustments, and improve the comprehensive heat collection efficiency of the solar collector. At the same time, it has high adjustability, a wide range of applications, is easy to assemble and disassemble, and has low cost.

The invention relates to the technical field of solar heat utilization, in particular to a heat collection and storage integrated solar water heater which comprises a water heater body, a plurality of heat collection pipes, a storage box, a heat conduction box, a driving mechanism, an adjusting mechanism and a rotating plate. The storage box is installed at the rear end of the water heater body, the heat conduction box is installed on the outer side of the storage box, the driving mechanism is installed at the heat conduction box, the adjusting mechanism and the rotating plate are both installed in the storage box, and the heat conduction box controls the driving mechanism according to temperature changes of the outside and the heat collection pipe. The driving mechanism drives the rotating plate to rotate through the adjusting mechanism, circulation between the heat collecting pipe and the water storage tank is opened and closed along with heat, then water in the heat collecting pipe circulates when the outside heat is high, and heat in the water storage tank is blocked when the outside heat is low.

This patent discloses a two-stage CPC collector with a spiral vacuum tube, including a spiral CPC vacuum heat collection tube, an outer CPC reflector, and an adjustable support frame; the spiral CPC vacuum heat collection tube is in the groove of the outer CPC reflector, and the two ends of the spiral CPC vacuum heat collection tube and the outer CPC reflector are connected to the adjustable support frame and supported by the adjustable support frame, and the relative positions among the CPC vacuum heat collection tube, the outer CPC reflector, and the adjustable support frame can be changed by adjusting the adjustable support frame. The CPC collector device adopts the design of outer CPC focusing + inner 360-degree CPC focusing, with high heat collection temperature and heat collection efficiency, and good adjustable performance, which is convenient for stepless adjustment of the position, height, CPC direction and shape of the CPC heat collection tube and the reflector, ensuring the high solar energy utilization rate and environmental adaptability of the CPC collector, and at the same time, the structure is simple, easy to assemble and disassemble, reusable, low cost, beautiful style, and has good promotion potential.

The utility model relates to the technical field of heat energy recovery of glass annealing kilns, in particular to an effective hot air utilization mechanism of a glass annealing kiln, which comprises a heat recovery component, a water-gas separation component and a hot air collection component, a hot air collecting assembly is arranged at the front end of the heat recovery assembly; and a water-gas separation assembly is arranged at the upper end of the heat recovery assembly. Heat in hot air is absorbed through the fin heat exchange pipes of the heat recovery assembly, at the moment, a large amount of cold water is injected into the fin heat exchange pipes from the water passing pipe bases below the fin heat exchange pipes, and due to the fact that the heat in the fin heat exchange pipes is absorbed by water, the hot air waste heat exchange function is achieved; hot water and high-temperature gas in the fin heat exchange pipes enter the hot water backflow pipe to be gathered and then enter the gas-liquid separation tank along with water flow from bottom to top, and due to the fact that the internal size of the gas-liquid separation tank is large, the hot water and the high-temperature gas are separated; and the hot air waste heat recycling efficiency of the glass annealing kiln and the types of heat energy storage media are greatly improved.