A method for calculating control parameters of a heating supply power of a heating network, pertaining to the technical field of operation and control of a power system containing multiple types of energy. The method: establishing a heating network simulation model that simulates a thermal dynamic process of the heating network; starting an upward simulation based on the heating network simulation model to obtain first control parameters from a set of up adjustment amounts; starting a downward simulation based on the heating network simulation model, to obtain second control parameters from a set of down adjustment amounts.

A method for measuring humidity at long range using simplified equipment includes creating a formula according to a relationship between multiple sets of known optical flow feature vectors and a known humidity. First and second images are obtained, wherein the first image and the second image are captured as being in the same range of capture. A plurality of feature points in the first image is obtained and an optical flow feature vector for each of the feature points according to apparent changes in position of each feature point according to the second image are calculated. The degree of current humidity according to the optical flow feature vectors and the formula is thus obtained.

A receiving element for a screw-type shower tray valve, for insertion into a continuous outlet opening of a shower floor panel, having a first flat side and a second flat side directed away from the first one, an annular body that can be inserted from the first flat side into the outlet opening and that bears with its bearing collar on the first flat side of the shower floor panel, the bearing collar merging into an inclined profiled wall of the annular body and running out into a cylindrical inner wall, and a support flange that can be inserted from the second flat side of the shower floor panel into the outlet opening and that bears with its bearing collar on the second flat side of the shower floor panel. The wall of the annular body and the support flange each has at least one circumferential rib.

The city management support apparatus according to the present disclosure is an apparatus that supports management of a city in which a plurality of services sharing a finite resource are simultaneously provided. The city management support apparatus acquires information on a provision status of the resource, and predicts a service achievement level of each of the plurality of services in future by a predetermined time based on the provision status of the resource. Then, the city management support apparatus outputs the service achievement level of each of the plurality of services in a form associated with the provision status of the resource.

Building integrated photovoltaic (BIPV) systems provide for solar panel arrays that can be aesthetically pleasing to an observer. BIPV systems can be incorporated as part of roof surfaces as built into the structure of the roof, particularly as multi-region roofing modules that have photovoltaic elements embedded or incorporated into the body of the module, in distinct tiles-sized regions. Such multi-region photovoltaic modules can replicate the look of individual roofing tiles or shingles. Further, multi-region photovoltaic modules can include support structures between the distinct regions having a degree of flexibility, allowing for a more efficient installation process.

A one piece shower drain pan, encapsulated in a water proof membrane, and the method of fabricating the one piece open drain shower pan, the method which includes providing extruded polystyrene (XPS) foam of the type which absorbs very little water; shaping the section of extruded polystyrene foam with a CNC router to obtain the desired slope in the floor; cutting a hole in the foam to produce the drain hole; cutting a curb from the XPS foam and gluing the foam to a pan base on the open sides. Splash walls are then cut from concrete wall board and glued to the sides having no curb, so that the glue serves as a bonding agent and provides a waterproof seal between the parts; after the glue has cured, spraying the entire pan assembly with a polyurethane or polyurea coating to completely encapsulate the entire pan with a waterproof membrane, which provides strength and rigidity and defines a one piece drain pan ready for installation.

Improved BIPV materials configured to meet various long-term requirements including, among others, a high degree of water resistance, physical durability, electrical durability, and an ability to withstand variations in temperature and other environmental conditions. In some embodiments, the disclosed BIPV materials include modules wherein two or more layers of the module are configured to be joined together during lamination to protect edge portions of the top sheet and/or back sheet of the module, such as in the vicinity of any multi-layer vapor barrier structure(s) of the module.

A drain assembly that is installed at and against the wall of a shower stall providing an inlet along the intersection of the wall with the floor, and the methodology of installing the drain assembly are described. In at least some embodiments of an installed configuration, only a thin slit along the wall/floor intersection is visible in a finished shower enclosure.

Building integrated photovoltaic (BIPV) systems provide for solar panel arrays that can be aesthetically pleasing and appear seamless to an observer. BIPV systems can be incorporated as part of roof surfaces as built into the structure of the roof, flush or forming a substantively uniform plane with roof panels or other panels mimicking a solar panel appearance. Pans supporting BIPV solar panels can be coupled by standing seams, in both lateral and longitudinal directions, to other photovoltaic-supporting pans or pans supporting non-photovoltaic structures, having both functional and aesthetic advantages. In some configurations, adjacent photovoltaic modules may be oriented so that a boundary between an up-roof photovoltaic module and a down-roof photovoltaic module is not noticeable by observers positioned at typical viewing angles of the roof.

A subway hybrid-energy multifunctional-end-integrated heat pump system includes energy and user ends and hot water tank. A first energy end includes a capillary-tube front-end heat exchanger and a subway capillary heat pump unit. A second energy end includes a solar panel. A third energy end includes an air-cooled heat pump unit. The user end includes air conditioner, hot water supply, underfloor heating, and radiator heating ends. The first, second and third energy ends connect to the hot water tank. A water outlet is connected to the air conditioner, hot water supply, underfloor heating, and radiator heating ends. Water outlets of the air conditioner, underfloor heating, and radiator heating ends are respectively connected to the first, second and third energy end through a return pipe.