22 results about "Shading coefficient" patented technology

The invention provides a light storage cooperative scheduling method, system and equipment for intelligent construction site equipment, and belongs to the technical field of intelligent construction site energy management. The method comprises the following steps: acquiring multi-dimensional sensing data of each monitoring sub-region; and performing nonlinear correction on the photovoltaic output based on the illumination intensity, the environment temperature and the construction site shielding coefficient corresponding to the monitoring sub-region to obtain the corrected photovoltaic output. According to the historical load data, the real-time working condition data and a load prediction model, determining a load demand curve of each monitoring sub-region in a preset time period; and inputting the corrected photovoltaic output, the load demand curve and the multi-dimensional sensing data into the dynamic weight cooperation model, and determining an output weight triple. And when it is determined that the real-time fluctuation of the output weight triad is greater than a preset threshold value, determining a weight adjustment parameter and / or generating a cross-sub-region power supply relay path based on a preset abnormal level matrix, and storing corresponding scheduling data to a preset database to update the load prediction model and the weight adjustment parameter.

The invention belongs to the technical field of target materials, and particularly discloses a silicon-zirconium-aluminum target material for Low-E glass and a preparation method of the silicon-zirconium-aluminum target material for Low-E glass, and the silicon-zirconium-aluminum target material for Low-E glass comprises the following components in parts by weight: 55-60 parts of silicon powder, 34-40 parts of zirconium powder, 4-8 parts of aluminum powder, 1-2 parts of modified graphene, 2-3 parts of high-entropy alloy powder, 0.5-1.2 parts of chromium powder, 0.4-1 part of molybdenum powder and 0.2-0.6 part of nickel powder. The silicon-zirconium-aluminum target material has an excellent energy-saving effect, the heat transfer coefficient and the shading coefficient can be remarkably reduced, and relative heat increase is reduced.

This invention relates to the field of image sensing data processing and discloses a method for diagnosing the thermal environment of blue-green spaces in cold-region cities based on multispectral remote sensing. The method includes the following steps: acquiring multispectral remote sensing images, three-dimensional building elevations, and solar apparent shape parameters; calculating the illumination shading coefficient of blue-green space pixels to form a three-dimensional dynamic shadow mask; constructing a microscopic phase transition evolution operator using the sensitivity gradient of radiation intensity in different polarization directions and mid-infrared reflectivity; inputting the mask and operator into the thermal infrared radiation measurement equation to reconstruct the dynamic surface temperature; solving the surface energy balance equation based on the dynamic surface temperature, separating the latent heat storage of phase transition energy, and constructing a latent heat buffer index; and performing a comprehensive diagnosis of the thermal environment health based on this index. This invention effectively overcomes the temperature measurement errors caused by complex shading and phase state interweaving, accurately isolates the latent heat energy of phase transition, and achieves precise positioning and objective quantitative diagnosis of microclimate anomalies in cold-region cities.

The utility model discloses double-silver low-emissivity coated glass capable of transmitting medium ash in the middle, which comprises a glass substrate, a base dielectric layer, a second base dielectric layer, a first functional silver layer, a first barrier layer, a first dielectric protective layer, a middle dielectric layer, a third middle dielectric layer, a second functional silver layer, a second barrier layer and an upper dielectric protective layer are sequentially arranged on one side of the glass substrate from inside to outside; an upper second dielectric layer; and an outer protective layer. The appearance of the light grey double-silver low-emissivity coated glass with the middle transparent and middle grey can achieve a natural light grey effect, and the color of the film surface and the reflection color conform to the color of the light grey. The color is natural, and the color range can be flexibly adjusted. According to the double-silver low-emissivity coated glass, multiple types of double-silver low-emissivity coated glass which is close to light gray and has different shading coefficients and emissivity can be obtained by changing the thickness of each film layer, and the blank of medium-gray light gray products in the double-silver market is filled up so as to adapt to different requirements of the market.

The invention provides low-emissivity coated glass, a preparation method thereof, double-cavity hollow glass and application. The invention discloses low-emissivity coated glass. A glass substrate; the low-radiation film comprises a first dielectric layer, a middle layer, a second dielectric layer, an infrared reflection layer, a composite protection layer, a third dielectric layer and a protection layer which are stacked in the direction away from the glass substrate; the composite protection layer comprises a first protection layer, a second protection layer, a third protection layer and a fourth protection layer which are arranged in a stacked mode in the direction away from the infrared reflection layer. The low-emissivity coated glass has good tempering performance and heat resistance, the surface of the low-emissivity film is smoother and more compact, the hardness and oxidation resistance are excellent, and good high-transparency, heat-preservation and heat-resistant effects are shown. According to the double-cavity hollow glass prepared on the basis, the visible light transmittance is larger than or equal to 60%, the U value is smaller than or equal to 0.8, the building shading coefficient SC is larger than or equal to 0.60, and the requirement for ultralow energy consumption is met.

The invention relates to the field of building external window detection, in particular to a detection device for detecting the solar heat gain coefficient of a building external window, which comprises an environment control chamber, a hot chamber and a cold chamber which are arranged in parallel are arranged in the environment control chamber, and a building external window test piece is detachably fixed between the hot chamber and the cold chamber. A total radiation meter A is arranged at the position, close to the building outer window test piece, of the hot chamber, a total radiation meter B is arranged at the position, close to the building outer window test piece, of the cold chamber, an artificial light source, a hot chamber air conditioner and a temperature sensor A are arranged in the hot chamber, and a temperature sensor and a cold chamber air conditioner are arranged in the cold chamber. A data processing system and an environment control room air conditioner are arranged in the environment control room, and data measured by the total radiation meter A and the total radiation meter B are transmitted to the data processing system for data processing. The method can carry out targeted solar heat gain coefficient detection on building external windows, light-transmitting curtain walls and the like, guarantees the accuracy and stability of data, and does not affect the detection of shading coefficients at the same time.

This invention relates to the field of coated glass technology, and discloses a temperable coated glass, its preparation method, and its applications. The temperable coated glass provided by this invention achieves the highest level of film adhesion by introducing a Zr-Si-N substrate layer and optimizing the interface design, solving the problem of easy film peeling and ensuring the product can withstand high-temperature tempering processes. A composite protective layer composed of nickel-chromium alloy and aluminum-doped zinc oxide is used to encapsulate the Ag functional layer, resulting in extremely low performance degradation after rigorous dual 85 testing, and a breakthrough improvement in weather resistance and oxidation resistance. By introducing multiple light-absorbing adjustment layers, the indoor reflectivity of the tempered glass product is successfully reduced to below 15% and the outdoor reflectivity to below 9% without significantly affecting the light transmittance, greatly reducing light pollution and visual glare. The product possesses excellent energy-saving characteristics such as low emissivity and low shading coefficient while maintaining excellent optical uniformity and color stability.

The invention discloses an off-grid micro-grid comprehensive energy management method and device in an extreme scene, and the method comprises the steps: obtaining the fuel cost according to the output power of a diesel engine, and obtaining the operation and maintenance cost according to the photovoltaic output power, the output power of the diesel engine, the output power of a fan, and the output power of a storage battery; according to the fuel cost and the operation and maintenance cost, an objective function with the minimum total operation cost is established, according to the extreme scene parameters, a photovoltaic output power correction model is established, and photovoltaic output power is output based on the photovoltaic output power correction model. The extreme scene parameters comprise a battery panel simulation temperature, a simulation dust shielding coefficient and a simulation plateau low pressure influence coefficient, obtaining fan output power, solving the target function based on the constraint condition, the photovoltaic output power and the fan output power, and outputting diesel engine output power and storage battery output power. According to the invention, extreme characteristics are deeply fused, and all links of source network load storage are comprehensively coordinated, so that comprehensive energy management has intelligent decision-making and self-healing capabilities.

One-side-controlled full-shading closed type built-in shutter hollow glass comprises a window body, a shutter blind and a control mechanism, the shutter blind is composed of a plurality of blades, the upper portion of a blade body is provided with an upper bent part, the lower portion of the blade body is provided with a lower bent part, and the linear distance from the upper edge of the upper bent part to the lower edge of the lower bent part is matched with the length of a ladder stop rope between overturning ladder ropes; the included angle between the blade body and the upper bent part is alpha, the included angle between the blade body and the lower bent part is beta, and the included angle alpha and the included angle beta are both obtuse angles larger than 100 degrees. The length of the blade body is L1, the length of the upper bent part is L2, the length of the lower bent part is L3, and L1 > L2 > L3. The blades shaped like the Chinese character'chang 'are applied to the single-side controlled full-shading closed built-in shutter hollow glass, so that the overall shading performance of the built-in shutter hollow glass is greatly improved, meanwhile, the shading coefficient is greatly reduced, the energy-saving performance of the built-in shutter hollow glass is improved, and meanwhile, the privacy of a user is effectively protected.

The invention discloses a heat insulation additive, a preparation method and application of the heat insulation additive in low-heat-absorption PVC (polyvinyl chloride) films and floors, the heat insulation additive comprises the following raw materials in parts by weight: 10-50 parts of a heat insulation material, 40-70 parts of an organic solvent, 2-10 parts of a dispersing agent and 0.1-1.2 parts of a silane coupling agent, and the heat insulation material, the organic solvent and the dispersing agent are mixed, ground and subjected to ultrasonic treatment; and then adding a silane coupling agent, heating and mixing. 0.1-1.5 parts by weight of the heat insulation additive is added into the PVC film, ultraviolet light can be effectively absorbed, infrared light can be effectively shielded, preferably, the ultraviolet light rejection rate of the low-heat-absorption PVC film prepared by adding 0.5 part by weight of the heat insulation additive is 98%, the maximum infrared light rejection rate is 90%, the visible light transmittance is 70%, and the minimum shading coefficient is 47%. The high-temperature-resistant floor board has good heat insulation performance and heat stability, the floor board made of the high-temperature-resistant floor board does not warp or become brittle in a high-temperature environment, and the service life of the floor board is prolonged.

This application provides a method, system, and device for coordinated scheduling of photovoltaic and energy storage equipment in smart construction sites, belonging to the field of smart construction site energy management technology. The method includes: acquiring multi-dimensional sensing data of each monitoring sub-region; performing nonlinear correction on photovoltaic output based on the corresponding light intensity, ambient temperature, and construction site shading coefficient of the monitoring sub-region to obtain the corrected photovoltaic output; determining the load demand curve of each monitoring sub-region within a preset time period based on historical load data, real-time operating data, and a load forecasting model; inputting the corrected photovoltaic output, load demand curve, and multi-dimensional sensing data into a dynamic weighted coordination model to determine the output weight triplet; when the real-time fluctuation of the determined output weight triplet exceeds a preset threshold, determining weight adjustment parameters and / or generating a cross-sub-region power supply relay path based on a preset anomaly level matrix, and storing the corresponding scheduling data in a preset database to update the load forecasting model and weight adjustment parameters.

The utility model belongs to the technical field of detection, particularly relates to a shading coefficient detection device for a building glass material, and provides the following scheme aiming at the problems that only the bottom of glass is fixed, the fixing effect is poor, and when the glass is blocked by a baffle, the glass is easy to shake due to uneven stress on the surface of the glass, so that the detection data is influenced. Comprising a shading coefficient detection device body, a display screen is arranged on the front face of the shading coefficient detection device body, and four pneumatic vacuum suction cups used for fixing the four corners of glass are arranged on one side of the inner wall of a test groove in the shading coefficient detection device body in a rectangular array mode. When in use, the pneumatic vacuum chuck, the first adjusting assembly and the second adjusting assembly are matched for use, glass to be detected in different sizes can be fixed, and four corners of the glass to be detected can be respectively fixed, so that the surface of the glass to be detected is uniformly stressed and is not easy to shake, and the accuracy of detection data is ensured.

The invention provides a building lighting and air conditioning system cooperative control method, a terminal and a storage medium, and relates to the technical field of building intelligent control. The method comprises the following steps: collecting environmental data of a target area at the starting moment of a target control cycle, wherein the environmental data comprises indoor illuminance, indoor temperature and solar radiation intensity; a control strategy set of the target control period is generated, the control strategy set comprises a plurality of candidate control strategies, each candidate control strategy is determined according to the shading coefficient of the shading device, and the shading coefficient of the shading device is determined based on the indoor illuminance and the indoor temperature under each candidate control strategy; screening out a plurality of candidate control strategies meeting a preset comfort constraint from the control strategy set to obtain a target control strategy set; and calculating the equivalent power consumption of each candidate control strategy in the target control strategy set, and taking the candidate control strategy corresponding to the equivalent power consumption with the minimum numerical value as the optimal control strategy. The energy consumption can be reduced.

The application discloses a cloud layer motion trajectory analysis method and system based on a Transformer neural network, and the method comprises the following steps: acquiring a continuous video sequence of a full-sky camera and performing cloud layer semantic segmentation to generate a cloud layer mask; a space-time decoupled Transformer tracking network is constructed, a space attention head, a time attention head and a space-time coupled attention head are set, and a grid multi-point tracking is performed on the cloud layer mask area to acquire an original trajectory; effective trajectories are screened through multidimensional quality control of visibility evaluation, continuity evaluation and motion consistency; a multi-algorithm fusion strategy of an instantaneous method, an average method and an arc-chord ratio correction method is adopted to calculate an angular velocity, and the weight is adaptively adjusted based on the trajectory arc-chord ratio; an 8-quartile relative relationship between the cloud layer motion direction and the sun position is established, a dynamic shading coefficient is calculated, and a solar radiation prediction value is generated. The method realizes accurate tracking and quantitative analysis of the cloud layer motion trajectory, and provides high-quality data support for photovoltaic power prediction.

The invention discloses pure gray sunlight control coated glass and a preparation method thereof, and belongs to the technical field of coated glass, the pure gray sunlight control coated glass comprises a glass substrate, and a first dielectric layer, a first absorption layer, a second dielectric layer, a second absorption layer and a third dielectric layer which are sequentially laminated on the glass substrate; the pure gray sunlight control coated glass has the characteristics of low transmittance, low reflection, low radiation and low shading coefficient; the light reflectivity is greatly reduced, so that the light pollution is reduced; the shading coefficient is reduced, and the energy-saving index of the building glass is improved; neutral projection color and reflection color are achieved, the visual effect is good, and cost is low.

The present invention provides a multi-silver-layer low-emissivity coated glass containing a crystalline dielectric layer, and a preparation method and use thereof. The film layer structure of the coated glass includes, from the glass substrate outwards: a glass substrate, at least three continuously arranged composite low-emissivity functional layers, and a protective layer; a dielectric layer is provided on each of the inner and outer sides of the composite low-emissivity functional layer; the composite low-emissivity functional layer sequentially includes a first crystalline dielectric layer, a silver layer, and a second crystalline dielectric layer which are superposed along the direction from the glass substrate outwards. The coated glass of the present invention is prepared by a vacuum magnetron sputtering coating method, and the coated glass is used as an automotive front windshield laminated glass or a building energy-saving glass. Through testing, the obtained coated glass has a high transmittance and a low shading coefficient, and can be bent and tempered at the same time, which can meet the requirements of the automotive field and the construction industry for coated glass, and is more suitable for market demand.

The invention relates to the technical field of magnetron sputtering coating, and provides neutral-color high-transmittance three-silver low-emissivity glass with a copper-added film surface. A film system structure comprising a base coat, three silver functional layers, a dielectric layer composed of aluminum oxide, zinc tin oxide and zinc aluminum oxide and a plurality of protective layers is sequentially deposited on the surface of a glass substrate according to the process thickness requirement through a magnetron sputtering coating process, so that a product of which the film surface is neutral and the transmission color is not greenish is obtained. Particularly, a copper functional layer with a specific thickness is additionally arranged on one silver functional layer, and meanwhile, the thicknesses of the three nickel-chromium protective layers for protecting the silver functional layers are set to be critical low points, so that the defect that the transmission color of an existing three-silver glass product is slightly green is overcome through the structure, and meanwhile, the visible light transmission rate of single glass exceeds 69%; and the performance balance that the hollow shading coefficient is as low as 0.35 is achieved.

The invention provides a low-carbon building design decision method and system, and the method comprises the steps: obtaining historical temperature and humidity and wind speed data through environment monitoring when the building carbon emission efficiency is lower than a reference value, carrying out the sorting of the data, generating an input sequence, and obtaining a feature vector through time domain feature extraction; and predicting future environment trend parameters on the basis, combining with the carbon emission optimal efficiency, iteratively optimizing a wall heat conductivity coefficient, a window shading coefficient and a ventilation opening degree parameter by adopting a particle swarm algorithm, generating a building structure optimization scheme enabling the carbon emission efficiency to approach an optimal value, and finally adjusting the design scheme to be within a tolerance range. According to the method, the carbon emission efficiency can be improved, and the scientificity and feasibility of a design scheme can be ensured.

The invention discloses a cloud layer motion trail analysis method and system based on a Transform neural network. The method comprises the following steps: acquiring an all-sky camera continuous video sequence and performing cloud layer semantic segmentation to generate a cloud layer mask; constructing a space-time decoupling Transform tracking network, setting a space attention head, a time attention head and a space-time coupling attention head, and performing gridding multi-point tracking on the cloud mask area to obtain an original trajectory; effective tracks are screened through multi-dimensional quality control of visibility evaluation, continuity evaluation and motion consistency; adopting a multi-algorithm fusion strategy of an instantaneous method, an average method and an arc-chord ratio correction method to calculate the angular velocity, and adaptively adjusting the weight based on the track arc-chord ratio; and establishing an 8-quantile relative relationship between the cloud layer movement direction and the sun position, calculating a dynamic shielding coefficient, and generating a solar radiation predicted value. According to the method, accurate tracking and quantitative analysis of the cloud layer motion trail are achieved, and high-quality data support is provided for photovoltaic power generation power prediction.

The invention discloses a shared measurement system and method for a heat transfer coefficient and a shading coefficient of an adjustable shading window. The shared measurement system comprises a light source box, a light guide box, an environment box and a metering box which are sequentially arranged, a first air conditioner is arranged in the light guide box, a temperature control device is arranged in the metering box, and a second air conditioner is arranged in the environment box; a mounting gap is reserved between the light guide box and the environment box; the light guide box is provided with a light outlet, and the light outlet faces the environment box; a mounting opening is formed in one surface, facing the light guide box, of the environment box, and is used for mounting a test piece; a light guide opening is further formed in the face, deviating from the environment box, of the light guide box, a light guide airtight door is installed on the edge of the light guide opening in a hinged mode, the light guide opening can be closed or opened by rotating the light guide airtight door, and heat transfer coefficient detection and shading coefficient detection can be conducted in the environment box. Uncertain factors caused by carrying, mounting or sunshade adjusting errors and the like are reduced, and the accuracy of a measurement result is improved.

Closed full-shading built-in shutter hollow glass comprises a window body, a shutter blind, a lifting mechanism and a turnover mechanism, the shutter blind is arranged in a window body partition cavity of the window body in a closed state, the lifting mechanism is arranged on one side in the window body and controls the shutter blind to ascend and descend by retracting and releasing a lifting pull rope, and the turnover mechanism is arranged on the other side in the window body and controls the shutter blind to ascend and descend by retracting and releasing a lifting pull rope. The turnover mechanism controls the shutter blind to turn over by rotating turnover ladder ropes, the shutter blind is composed of a plurality of blades, the upper portion of each blade body is provided with an upper bent portion, the lower portion of each blade body is provided with a lower bent portion, and the linear distance between the upper edge of each upper bent portion and the lower edge of each lower bent portion is matched with the length of a ladder stop rope between the turnover ladder ropes; the blades shaped like the Chinese character'chang 'are applied to the closed full-shading hollow glass with the built-in shutter, so that the overall shading performance of the hollow glass with the built-in shutter is greatly improved, meanwhile, the shading coefficient is greatly reduced, the energy-saving performance of the hollow glass with the built-in shutter is improved, and meanwhile, the privacy of a user is effectively protected.

The embodiment of the application provides a kind of light adjusting device and its control method, belong to light adjusting glass field, comprising: first substrate, second substrate and the accommodating space of being arranged between the first substrate and the second substrate;Light adjusting function layer, slidingly arranged in the accommodating space;Mobile device, it is arranged in the accommodating space, is connected with the light adjusting function layer;Wherein, the mobile device is used to drive the light adjusting function layer and the displacement of first substrate or second substrate occurs.For the light adjusting device and its control method provided in the embodiment of the application, the adjustable range of sun-shading coefficient of light adjusting device can be increased.