7 results about "Shading coefficient" patented technology

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.

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.

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 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 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.