106 results about "Insolation" patented technology

The invention relates to the technical field of building energy saving, and discloses an energy room intelligent control method and system facing the sunlight condition, and the method comprises the steps: obtaining the total solar radiation intensity and scattered radiation intensity through a distributed sensor disposed in an energy room; calculating a sunlight illumination component proportion based on the total solar radiation intensity and the scattered radiation intensity, and determining a sunlight type according to the sunlight illumination component proportion; according to the sunshine type, the influence of sunshine change on the indoor thermal environment is evaluated by adopting a prediction algorithm branch, and the indoor temperature and humidity change trend and the thermal load demand in the future time period are predicted; based on the indoor temperature and humidity change trend and the heat load requirement in the future time period, combined with the heat mass energy storage level of the energy house building, a comprehensive regulation and control instruction matched with the sunlight type is generated; and according to the comprehensive regulation and control instruction, regulating and controlling the heat mass storage and release of the sunshade device, the ventilation system and the building, monitoring the regulation and control effect in real time, and optimizing the prediction algorithm according to the regulation and control effect. And regulation and control of the energy house under the sunlight condition are realized.

The invention provides a photovoltaic power generation optimization method for a fishing-light complementary site and a related device. The method comprises the following steps: acquiring a photovoltaic panel sunlight angle, a water surface wind speed, a water surface wave height, a water depth, a photovoltaic panel core parameter, a reflector parameter and double-measuring-point actually-measured light intensity data; determining the initial receiving radiation quantity of the photovoltaic panel according to the sunlight angle of the photovoltaic panel, the core parameters of the photovoltaic panel, the parameters of the reflector and the actually measured light intensity data of the double measuring points; according to the water surface wind speed, the water surface wave height, the water depth, the double-measuring-point actually-measured light intensity data and the reflector parameters, the water surface correction reflection coefficient is determined; correcting the initial received radiation quantity of the photovoltaic panel by adopting the water surface correction reflection coefficient to obtain the actual received radiation quantity of the photovoltaic panel; and according to the actually received radiation quantity of the photovoltaic panel, the inclination angle of the photovoltaic panel is adjusted, and then the photovoltaic power generation process of the fishing-light complementary site is optimized. Excessive concentration of local radiation quantity caused by secondary reflection of sunlight through a water surface-reflector can be avoided, and generation of hot spots on the photovoltaic panel is inhibited.

The invention discloses a reliable distributed energy supply station flexible transformation method, system and device based on'thermoelectric cooling 'and a storage medium, and relates to the technical field of distributed energy supply flexible transformation, comprising the steps of determining a transformation direction based on distributed function data, and integrating thermoelectric cooling distributed energy supply; executing an energy management control strategy according to the determined transformation direction; and dynamically adjusting a control strategy in combination with distributed energy supply data and a prediction result. According to the method, stable energy supply can still be kept under different weather and sunshine conditions, a flexible energy management control strategy enables the system to better adapt to environmental changes and requirements, real-time monitoring and data analysis capability are achieved, dependence on solar energy can be predicted and adjusted in advance, and the optimal energy supply effect is achieved.

The utility model discloses a sunshade equipment belongs to bridge construction technical field, and includes support subassembly, side part and top part canopy, and support subassembly sets up at construction tower top, and support subassembly surrounds and sets up to form operation space, and top part canopy swing connection is in the top of support subassembly, and top part canopy can open or cover the top of operation space, and side part swing connection is in the circumferential side of support subassembly, and side part can open or cover the side of operation space. The sunshade equipment can make operating personnel according to construction progress and sunshine angle and open and close top part canopy and side part flexibly, through the shielding mode of dynamic adjustment, has improved the adaptability and flexibility of sunshade equipment.

The present invention provides an information processing method, etc., that can suitably estimate solar radiation. [Solution] The information processing method acquires the amount of sunlight at an observation point and observation time information indicating the time of observation of the sunlight. Based on the acquired sunlight and observation time information, a computer performs a process to estimate the amount of solar radiation at the observation point. Preferably, the amount of solar radiation is estimated based on the acquired sunlight and observation time information using a regression equation that shows the relationship between the amount of solar radiation, the ratio of sunlight, and the observation time.

The utility model relates to a light-transmitting type photovoltaic photo-thermal device which comprises a photovoltaic frame, a light-transmitting insulating back plate is installed in the photovoltaic frame, a photovoltaic battery pack string is installed on the upper layer of the light-transmitting insulating back plate through a bonding layer, a heat exchanger is installed on the lower layer of the light-transmitting insulating back plate, and the heat exchanger comprises a bearing shell. A plurality of spaced fins are distributed in the bearing shell, a heat exchange cavity is formed among the spaced fins, flow guide holes are formed in the spaced fins, the bearing shell is located at the front end and the rear end of the heat exchange cavity and provided with a feeding port assembly and a discharging port assembly respectively, a junction box is installed on the outer side of the photovoltaic frame, and the junction box is electrically connected with the photovoltaic battery pack string. Therefore, the light-transmitting insulating back plate is adopted, sunlight can be guided in, lighting assistance in the daytime is achieved, sunlight is effectively utilized, and consumption of indoor electricity utilization lighting is reduced. Sunlight heat energy can be introduced in daily life, indoor temperature adjustment is achieved, and in a high-temperature environment, the heat exchanger can be started to dissipate heat, and meanwhile heat energy is stored or thermoelectric conversion is carried out.

Embodiments of the present application relate to a kind of processing method, device, system and component for monitoring photovoltaic power generation system, the method comprises: the latitude and longitude of the region where, altitude and characteristic meteorological data are acquired;And acquire current month as first month;Meteorological data pre-processing is carried out;Temperature is monitored in advance to future twelve months;Sunlight intensity is monitored in advance to future twelve months;Generation output is monitored in advance to future twelve months;Generation output prediction table is generated and saved to first generation output prediction table. Current month information, time information and real-time power generation power information are acquired every hour from preset starting time every day;And query first generation output prediction table and obtain predicted power;And according to real-time, monitoring state setting is carried out according to predicted power;And at the preset end time of each day, generation output state analysis is carried out according to all monitoring states obtained in the day. Through the present application, photovoltaic power generation system can be personalized, fine management.

The embodiment of the invention provides a lightning arrester fault monitoring method, device and equipment, a medium and a product. The method comprises the following steps: determining a target temperature interval at the current moment according to the environment temperature, the sunlight intensity, the sunlight temperature rise coefficient, the inherent heating temperature and the temperature tolerance margin; and performing moving average filtering on the temperature time sequence data of the lightning arrester to obtain a first lightning arrester temperature of the lightning arrester at the current moment. And according to the environment temperature change rate and the thermal inertia time constant, temperature abrupt change compensation is carried out on the first lightning arrester temperature, and a second lightning arrester temperature is obtained. And according to the second lightning arrester temperature at the current moment and the predicted temperature, predicting the predicted temperature of the lightning arrester at the next moment and the temperature variation relative to the current moment. And determining a fault monitoring result of the lightning arrester based on the target temperature interval, the second lightning arrester temperature, the predicted temperature, the preset temperature change rate threshold and the temperature variation, thereby achieving the effects of reducing the misjudgment rate and performing fault early warning in advance.

The invention discloses a full-wave-band dynamic sunlight player with a three-stage coaxial soft light structure, and relates to the technical field of healthy lighting and high-precision simulation light sources. The core three-stage coaxial soft light structure is composed of a high-atomization concave soft light cavity, a convex high-reflection soft light structure and a full-coating high-transmittance soft light shell which are coaxial, and glare-free and high-uniformity full-wave-band light emitting is achieved. The equipment is provided with a full-wave band narrow-band combined lamp group covering weak ultraviolet rays to near infrared rays, so that a continuous sunlight spectrum is formed; single-band single-line independent driving is adopted, a pure hardware simulation gradual change control unit is matched, and non-stroboscopic smooth gradual change and accurate regulation and control are achieved. The equipment is provided with a local time service module and a storage medium, and a networking module can be selected to be matched with a factory spectrum calibration method to guarantee output consistency. The system can truly restore the natural sunlight spectrum, adapts to the biological rhythm, is suitable for medical treatment, laboratories, space stations and other scenes, and has the advantages of being high in reliability, continuous in spectrum, strong in soft light effect, high in biological friendliness and the like.

The application discloses a bridge sunshine temperature field simulation method, comprising the following steps: creating a bridge BIM model in Revit software; performing solar radiation analysis according to the BIM model to obtain a sunshine field; importing geometric information of the bridge BIM model and the sunshine field into a finite element analysis platform to perform finite element analysis and obtain a bridge three-dimensional temperature field. The application has the beneficial effect of improving the calculation precision of the bridge temperature field.

The invention discloses a calculation method for a running overhead line state. The calculation method comprises the following steps: acquiring measurement data and line parameters in real time; the measurement data comprises environment temperature, wind speed and direction, wire tension, sunlight intensity and load current, and the line parameters comprise strain section parameters and wire parameters; solving the conductor sag by using the wind speed and direction, the conductor tension, the strain section parameter and the conductor parameter; based on a proportional fusion correction mechanism, solving the average temperature of the line by using the conductor sag; solving the maximum heat capacity of the line by using the environment temperature, the sunlight intensity, the load current and the average temperature of the line; and adjusting the running current on the overhead line in real time according to the maximum thermal capacity of the line. On the basis of the method, the measurement data and the line parameters under the actual operation condition are utilized to replace the calculation of presetting the maximum allowable current-carrying capacity under the worst condition, so that the utilization rate of the invisible capacity is improved, the transmission efficiency of the overhead line is further improved, and the economical efficiency and the transportation capacity of the overhead line are improved.

The invention discloses a multi-target collaborative optimization regulation and control method and system for a photovoltaic sunshade curtain wall, and relates to the technical field of optimization regulation and control, and the method comprises the steps: collecting an outdoor radiation intensity parameter RAD, a wind speed parameter WND, an indoor illumination parameter LUX and a personnel existence signal PER in real time through a sensing module; mode switching is carried out according to the personnel existence signal PER and the sunshine intensity parameter RAD, and when it is detected that personnel exist and the radiation intensity is higher than a sunshine threshold value, a comfortable mode is entered; multi-source parameters of the exterior of the curtain wall and the indoor environment are collected in real time and subjected to fusion analysis through the sensing collection module, dynamic monitoring and feedback control over a radiation intensity parameter RAD, a wind speed parameter WND, an illumination parameter LUX and a personnel existence signal PER are achieved, and a comfortable mode, an energy-saving mode and a power generation mode are switched under different working conditions; the system can guarantee the comfort of the indoor light environment, and achieves the cooperative improvement of the photovoltaic power generation efficiency and the energy utilization rate.

A switchable capacity-increasing energy storage type solar centralized water supply system in a low-temperature area comprises a water supplementing subsystem, a solar temperature adjusting subsystem and a hot water supply circulation subsystem. The water supplementing subsystem comprises a water supplementing pipe; the solar temperature adjusting subsystem comprises a heating tank, a solar heat collector, a circulating pump set, an energy storage container, an energy storage capacity increasing container, a first direct connecting pipe and a second direct connecting pipe. The hot water supply circulation subsystem comprises a heat supply variable frequency booster pump set, a user hot water pipe network and a water return pipe. According to the utility model, the energy storage can be adjusted through the adjustable closed loop control, i.e., the capacity of the working medium for energy storage is increased when the sunlight is short or the occupancy rate of users in buildings such as hotels is increased, and the capacity of the working medium for energy storage is reduced when the sunlight is long or the occupancy rate of users in buildings such as hotels is reduced. Meanwhile, the defects that the service life of a heat storage working medium is short, the energy consumption is increased, the service life of equipment is shortened and the like caused by a large working medium container without adjustable energy storage are overcome.

The utility model provides a semitransparent photovoltaic photo-thermal coupling system, comprising a photo-thermal reflector which is arranged at the bottom of the system and is used for reflecting infrared light in sunlight to carry out photo-thermal power generation; the semitransparent photovoltaic cell has a wave-shaped wrinkle structure, is positioned above the photo-thermal reflecting mirror and is used for absorbing visible light and ultraviolet light in sunlight for photovoltaic power generation; and the adjustable telescopic bracket is used for adjusting the transparency of the semitransparent photovoltaic cell, so that the proportional adjustment of photovoltaic and photo-thermal power generation is realized. According to the utility model, dynamic balance between photovoltaic power generation and photo-thermal power generation is realized through the adjustable wave-shaped wrinkle structure. The transparency can be automatically adjusted under different illumination intensity and temperature conditions, so that the system preferentially performs photovoltaic power generation under high-intensity sunlight and preferentially performs photo-thermal power generation under low-illumination or high-temperature conditions, and the total energy conversion efficiency of the power generation system is greatly improved.

This invention relates to the field of spacecraft structure technology and discloses a thermally triggered self-deploying mechanism for a spaceborne antenna platform's solar panel. The mechanism includes: a solar panel frame, an antenna backplate, at least one drive hinge, and at least one thermal lock. This mechanism utilizes the orbital solar radiation environment as a trigger signal: a thermal delay sleeve absorbs and accumulates solar radiation heat, causing the internal locking tongue, made of a bimetallic strip, to undergo directional bending deformation when a temperature threshold is reached, thereby disengaging from the locking seat. After the lock is released, the elastic potential energy stored in the energy storage spring is released, driving the solar panel to smoothly deploy to a predetermined angle. This invention achieves completely passive and reliable environmentally adaptive triggering and deployment, simplifies the structure, avoids reliance on electronic systems, and integrates a check mechanism to ensure stable deployment.

The invention provides a new energy power station planning method and system, and the method comprises the steps: obtaining the static characteristics of a plurality of candidate points, the static characteristics including the seismic activity frequency, the altitude, the gradient and the underground water burial depth; calculating a static abnormal score of each candidate point based on the static features of the candidate points, and performing a first round of screening on all the candidate points according to the static abnormal scores to obtain remaining candidate points; obtaining dynamic characteristics of each residual candidate point, wherein the dynamic characteristics comprise wind speed, sunlight intensity, environment temperature, environment humidity and precipitation; and performing a second round of screening on all the remaining candidate points based on the dynamic feature of each remaining candidate point and the static abnormal score of each candidate point to obtain a final point location. According to the method, multi-dimensional quantitative evaluation of new energy power station site selection is realized through a static and dynamic dual screening and clustering optimization mechanism, and site selection scientificity and engineering reliability are remarkably improved.

In an information processing method according to the present invention, a computer executes processing for acquiring an amount of sunlight at an observation point and observation time point information indicating an observation time point of the amount of sunlight, and estimating the amount of solar radiation at the observation point on the basis of the acquired amount of sunlight and observation time point information. Preferably, the amount of solar radiation is estimated on the basis of the acquired amount of sunlight and observation time point information by using a regression equation indicating the relationship between the observation time point and a ratio of the amount of solar radiation to the amount of sunlight.

The invention provides a new energy power system reliability evaluation method based on environment variables, and relates to the technical field of power systems. According to the method, a non-parametric self-adaptive quantile regression forest model is adopted to perform modeling on wind speed and sunlight intensity, and online incremental updating is triggered based on Kolmogorov-Smirnov statistics; setting a cross-scale state coupling interface layer in the double-layer nested reliability evaluation architecture, defining a shared state vector including an energy storage charge state, an equipment aging index and an available reserve capacity, and applying Lyapunov stability constraint; a period economic value dynamic pricing module based on Q-learning is integrated in a short-term evaluation layer, and a real-time electricity price, a user interruption contract and a load elastic coefficient are used as state spaces to correct a load shedding strategy. According to the scheme, through adaptive modeling of environment variable distribution and cross-scale state stable transmission, the problem of evaluation result lag is effectively solved, and the real-time performance and economical efficiency of reliability evaluation are improved.

The invention discloses a method for establishing a temperature gradient of a double-layer steel truss girder under solar radiation, which comprises the following steps of: S1, calculating a solar elevation angle alpha s (t) and a solar azimuth angle gamma (t) according to the latitude and longitude of a bridge site, an hour angle and a solar declination; projecting the solar ray vector to the cross section of the main beam according to the included angle xi between the axis of the main beam and the east-west direction to obtain a solar incident angle theta (t) in the cross section; s2, respectively deducing solar radiation areas of an upper-layer bridge floor, a lower-layer bridge floor and web members on the basis of a solar incident angle theta (t) and geometric parameters of the bridge; s3, establishing a temperature field formula related to the solar radiation duration, the air temperature, the material attribute, the surface direction and the coating; s4, temperature gradients of the upper-layer bridge floor, the lower-layer bridge floor and the web members are calculated according to the solar radiation area and a temperature field formula, and the most unfavorable temperature gradient and the corresponding moment are determined; according to the scheme, a reliable temperature working condition basis is provided for temperature effect analysis, stress evaluation and structural design of the double-layer steel truss girder.

The invention discloses an overhead conductor environmental factor-current-carrying capacity calculation method based on GB, IEEE and CIGRE model unification. The current-carrying capacity calculation method comprises the following steps: acquiring environmental parameters; performing unified judgment on convection working conditions around the wire according to the environmental parameters to obtain a working condition judgment result; performing parallel calculation on convective heat dissipation under three standards of GB, IEEE and CIGRE according to the working condition judgment result, and unifying the convective heat dissipation according to a unification principle to obtain unified convective heat dissipation; calculating radiation heat dissipation, sunlight heat absorption and effective alternating current resistance of the overhead conductor; and solving the current-carrying capacity by using the unified convection heat dissipation, the radiation heat dissipation, the sunlight heat absorption and the effective alternating current resistance. On the basis, a unified multi-standard current-carrying capacity calculation mode is realized, the prediction accuracy is improved, and the line current-carrying potential is released.

The embodiment of the invention provides a water heater control method and related equipment, and belongs to the technical field of water heaters. The method comprises the following steps: acquiring environment temperature and sunlight data; performing season judgment according to the environment temperature and the sunlight data, and determining a current season; if the current season is the preset season, determining a weather condition through a weather system; according to weather conditions, a solar module and an air energy module of the water heater are controlled according to different strategies so as to heat a water source. According to the embodiment, the energy utilization rate and the heat supply stability can be improved.

The invention discloses a conductor current-carrying capacity-sag coupling modeling method and system based on electro-thermal-mechanical coupling, and belongs to the technical field of transmission conductors. A thermal balance equation is established based on obtained Joule thermal power, sunlight heat absorption power, convection heat dissipation power and radiation heat dissipation power; solving the heat balance equation to obtain the surface temperature of the wire; taking the surface temperature of the wire as a boundary condition, constructing a concentric multilayer radial heat conduction model, and solving to obtain a radial temperature gradient of the wire; calculating strain of various materials in the wire based on the radial temperature gradient of the wire, and obtaining real horizontal stress through adaptive iteration; and substituting the real horizontal stress and the obtained geometric parameters of the conductor into the parabola model to obtain the maximum sag of the conductor under the current working condition. According to the method, the lead temperature evaluation precision is improved, systematic deviation caused by conductor isothermal or neglecting of irradiation / wind-induced heat exchange is avoided, and a reliable thermal boundary is provided for dynamic current-carrying capacity evaluation.

In an automated power distribution system equipped with a power generation device such as a solar power plant, the discharge time of a substation is estimated. [Solution] The slave station 2 and master station 3 that constitute the power distribution automation system 1 are equipped with a solar power generation unit 220, a power storage unit 230, and a sunshine measurement unit 240 as functions of the slave station 2, and a prediction unit 342 that predicts the amount of power generated by the solar power generation unit 220 based on the sunshine duration and amount of solar radiation as functions of the master station 3, an estimation unit 343 that estimates the dischargeable time of the power storage unit 230 based on the predicted amount of power generated and the amount of power stored in the power storage unit 230, and a display unit 320 that displays the estimated dischargeable time of the power storage unit 230.

The utility model relates to the technical field of photovoltaic module aging test, in particular to photovoltaic module solarization aging test equipment, which comprises a test box body and a mounting plate, a bearing table is rotatably arranged on the upper surface of the mounting plate, a photovoltaic panel is arranged on the upper surface of the bearing table, and a plurality of clamping plates are arranged on the upper surface of the bearing table in an equally-divided circumference mode. A plurality of driving assemblies and a plurality of horizontal driving assemblies for driving the driving assemblies to horizontally move towards one side of the photovoltaic panel are slidably arranged in the bearing table, the driving assemblies are connected with the clamping plate, the horizontal driving assemblies drive the driving assemblies and the clamping plate to be close to or away from the photovoltaic panel, and a rotary driving assembly for driving the bearing table to rotate is arranged at the bottom end of the mounting plate. Side xenon lamp assemblies are uniformly arranged on the inner circumferential wall of the test box body, and a top xenon lamp assembly is arranged at the top end in the test box body, so that the photovoltaic module can be uniformly irradiated, the sunlight simulation is more comprehensive, the generation of a sunlight blind area is reduced, and the detection accuracy of a sunlight aging test is better.

The invention relates to an intelligent automatic building construction drawing generation method and device, equipment and a medium. The method comprises the following steps: acquiring grid coordinate data, terrain elevation data and sunlight characteristic data of a planning area; the sunlight characteristic data comprises solar azimuth data, solar altitude data and solar radiation intensity data; the grid coordinate data comprises coordinate data of grid points in the planning area; calculating a sunlight thermodynamic diagram of the planning area based on the grid coordinate data, the terrain elevation data and the sunlight characteristic data; the sunlight thermodynamic diagram is used for representing sunlight intensity distribution of a planning area; on the basis of the sunshine thermodynamic diagram and the grid coordinate data, calculating structural parameters of a building located in the planning area, and generating a building construction drawing on the basis of the structural parameters; the structure parameters at least comprise building optimal orientation parameters and building optimal windowing size parameters. By adopting the method, the building design efficiency can be improved.

The invention discloses a sunlight analysis and measurement method based on aerial survey of an unmanned aerial vehicle, which comprises the following steps of: adjusting flight parameters of the unmanned aerial vehicle in real time according to a solar altitude to realize dynamic illumination compensation; building image data are collected through multi-camera oblique photography; ground and facade image control points are arranged, and the density is dynamically adjusted; a live-action model is generated through three-dimensional reconstruction, and curvature-driven lightweight processing is carried out; dynamically selecting a solar declination angle calculation formula and calculating an elevation angle and an azimuth angle; and a sunlight conical surface algorithm is adopted to analyze the shielding condition and generate a visual report. The method effectively improves image quality consistency, three-dimensional model precision and sunlight analysis reliability, and is suitable for the field of urban and rural planning and building sunlight assessment.

A temperature and humidity adjusting system for a reverse osmosis membrane water treatment equipment room in a low-temperature area comprises the equipment room, reverse osmosis membrane water treatment equipment and temperature and humidity adjusting equipment. The reverse osmosis membrane water treatment equipment comprises a middle water tank and a reverse osmosis membrane, the outer layer of the middle water tank is sequentially provided with a temperature increasing kettle, a first heat preservation layer and a first outer container plate which are tightly attached and wrapped with one another from inside to outside; the temperature and humidity adjusting equipment comprises a heat storage box, a solar heat collector, a heating radiator, an electric heating pipeline, a first opening fan, a second opening fan and a flow blocking layer. The reverse osmosis membrane water treatment equipment room in a cold region adopts a semi-underground form, the periphery is provided with the cavity, and the top is provided with the flow blocking layer, so that cold bridges are reduced, and heat preservation is realized; when the sunlight intensity is high in winter, solar energy is used for storing heat, and the temperature of the equipment room or to-be-treated water is increased without energy consumption at night; an independent circulation temperature increasing loop is adopted for equipment placement space and to-be-treated incoming water of the reverse osmosis membrane, so that the water yield of the reverse osmosis membrane is improved while accurate temperature regulation and energy conservation are realized.

The invention relates to the technical field of computer-aided engineering modeling, in particular to a prediction method and system for floor external corner cracks, and the method comprises the steps: collecting real-time temperature change data, concrete shrinkage deformation data, humidity information and sunlight intensity information of a floor external corner area; according to the method, a dynamic coupling model of temperature stress and concrete shrinkage is constructed, the influence coefficient of the temperature on the shrinkage rate and stress redistribution are calculated in real time in combination with a mechanical association algorithm, and the problem that dynamic interaction is not reflected due to independent calculation of the temperature stress and the concrete shrinkage in an existing method is solved; and then environment self-adaptive correction is performed on the model according to the humidity and the sunlight intensity, the sensitivity parameter and the temperature stress transmission attenuation coefficient are adjusted, and the defect that the real-time influence of environment factors is not included in an existing method is overcome.

The utility model discloses an anti-overheating device of a solar water heater. The anti-overheating device comprises a plurality of arc-shaped anti-dazzling screens, gear rings and racks, wherein the arc-shaped anti-dazzling screens are rotationally arranged outside heat collecting pipes; the gear rings are arranged on the outer walls of the anti-dazzling screens; the rack can reciprocate in the direction perpendicular to the axis of the heat collecting pipe. The solar water heater has the advantages that when sunlight is sufficient and the water temperature in the water tank of the solar water heater exceeds a certain temperature, the rack is controlled to move, the rack drives the gear rings to rotate and drives the anti-dazzling screen to rotate until the anti-dazzling screen rotates to the position above the heat collecting pipe, and the water temperature is prevented from continuing to rise.

The utility model relates to the technical field of mine blasting drilling devices, and provides a mine blasting drilling energy-saving device which comprises a shell, a plurality of positioning holes are formed in the outer surface of the shell, a plurality of fastening bolts are in threaded connection with the inner surfaces of the positioning holes respectively, and the outer surfaces of the fastening bolts are in threaded connection with a mounting plate. The device is provided with a structure for utilizing abundant sunlight resources in a mining area, converting solar energy into electric energy, storing the electric energy and supplying power to electric equipment in the device, a structure for adjusting the sunlight receiving angle of a solar cell panel is designed, the solar energy conversion rate is increased, and the solar energy utilization rate is increased. And particularly, in remote mining areas, the diesel transportation cost and the combustion loss can be reduced, the emission amount of nitric oxide, carbon dioxide and particulate matter can be reduced, the air quality of operation areas can be improved, the device can achieve the energy-saving and environment-friendly effects, and the production benefits and the sustainable development potential of the device are improved.