2981results about "Light protection screens" patented technology

The invention belongs to the technical field of sunshade shutter control, and provides a dynamic photovoltaic sunshade shutter control method. Comprising the steps of photovoltaic shutter sunshade device construction, dynamic mathematical model construction, optimization target definition, original controller design, controller iterative optimization, control rule definition, weight strategy acquisition, shutter adjustment strategy generation and photovoltaic shutter sunshade device adjustment. According to the invention, through fusion of the model prediction control method and the rule-based control method, adaptive adjustment of the photovoltaic shutter sunshade device according to the optimization target and the custom rule is realized, and the flexibility and the universality of the device are improved.

A tensioning device comprising a guide adapted to receive thereabout one end of a looped operating element (“LOE”), a retainer configured to prevent said one end from traveling about the guide, the guide and retainer being configured to move relative one another between first and second positions; a biasing element for biasing the guide towards the retainer to tension the LOE. In the first position, the LOE has no tension and the guide is extended to trap said one end between the guide and the retainer to prevent travel of the LOE about the guide. In the second position, the LOE is tensioned with the guide being retracted from the retainer, and a locking device for locking the guide in the first position when the LOE has no tension such that the guide cannot be retracted away from the retainer to allow operation of the operating element.

A motorized window treatment system may include a roller tube, a flexible material, a motor drive unit, and mounting brackets. The mounting brackets may include a stationary portion configured to be attached to a structure surrounding a window. The mounting brackets may include a movable portion configured to receive an end portion of a housing of a motor drive unit. The movable portion may be configured to operate the motorized window treatment between the operating position and the extended position in a circular-shaped path. A portion of the motor drive unit may be accessible when the motorized window treatment is in the extended position. The mounting brackets may include a stopping mechanism that is configured to prevent the motorized window treatment from extending beyond the extended position.

A solar window blind system located at a window of a room. The system includes a window blind; a motor operatively connected to the window blind; photovoltaic components disposed on the window blind; a rechargeable battery electrically connected to the photovoltaic components and charged therewith; and light sources electrically connected to the rechargeable battery. The light source is arranged to shine light into the room and / or an exterior of the window, the light sources being powered by the rechargeable battery when in use. A solar window blind system for a plurality of windows including a plurality of window blind assemblies configured to variably block light passing through a corresponding window and one or more rechargeable batteries electrically coupled to and charged by photovoltaic components of the window blind assemblies.

A reciprocating type pull rod driving apparatus, including a housing, a shaft rod, a driving wheel, a chain, and an operating assembly. One end of the shaft rod extends to the housing. The driving wheel is arranged on the shaft rod. The chain is meshed with multiple engagement teeth of the driving wheel. The operating assembly is connected to the chain and configured to operate the chain to drive the driving wheel to rotate. A distance between a radial outer end edge of the driving wheel and an inner wall of the housing is greater than or equal to a thickness of the chain, and a quantity of driving wheel teeth that the chain is meshed with is less than a half of a total quantity of teeth.

A wand for a blind assembly comprising (a) an elongated member, (b) a rotatable member located at or adjacent one end thereof, (c) guide member located at or adjacent another end thereof; and (d) a cord having a loop, wherein the loop passes from a position remote from the rotating member, engages the rotating member, passes about the guide member and returns to the remote position after reengagement of the rotating member, wherein the loop adjacent to or within the elongated member is retained between the rotating member and the guide to restrict movement of the loop perpendicularly of the elongated member, and wherein the loop remote from the rotating member is adapted to engage and rotate a drive member of a blind assembly.

This invention relates to a roller blind system. The roller blind system comprising of a roller blind, the roller blind comprising of a photovoltaic film configured to, in-use, face towards an external face of a building envelope, and an energy storage system receivable of power generated from the photovoltaic film. A motor is connectable via a drive system for winding of the roller blind, the roller blind to be wound to an advanced or retracted position, and a controller is configured to operate at least the motor for windingly advancing or retracting the roller blind to a desired extension position.

Provided in the present invention is a gravity-free spring roller blind controller. The gravity-free spring roller blind controller comprises a torque adjustment assembly and a torsion spring connecting rod assembly. The torque adjustment assembly comprises a bracket, a torsion spring mounting seat, a guide sleeve, and a roller blind sleeve. A one-way torsion spring is sleeved on a mounting shaft of the torsion spring mounting seat, the guide sleeve is further rotatably sleeved with a torque adjustment knob, the guide sleeve is provided with a first flange, and a second flange is provided on the torque adjustment knob. The first flange reversely pushes the one-way torsion spring so that the one-way torsion spring is locked tightly onto the mounting shaft. According to the present invention, the torque of the torsion spring on the torsion spring connecting rod assembly is increased or decreased by forwardly or reversely rotating the second flange.

The invention relates to a reel assembly, a sunshade curtain assembly, a glass assembly and a carrying tool, the problem of space waste in the height direction in a vehicle can be solved, the reel assembly comprises a reel assembly and an outer pipe assembly, the reel assembly is in an arc shape in the axial direction, and the outer pipe assembly is arranged on the reel assembly in a sleeving mode; the outer pipe assembly comprises at least two connecting pipes and connecting components used for being connected with the connecting pipes, any two adjacent connecting pipes are movably connected through the connecting components, so that the axial included angle of the two adjacent connecting pipes is variable, and the outer pipe assembly can rotate in the axial direction of the reel assembly.

The invention relates to an electrochromic window multi-scene control method, system and device based on indoor human body thermal comfort and a medium. The method comprises the steps that a perception data set is constructed; based on the sensing data set, performing multi-parameter coupling calculation of solar incidence azimuth deviation constraint and dynamic projection overlapping to obtain a direct radiation component, performing window space coupling analysis and double space compensation calculation to obtain a scattered radiation component, and performing fusion to obtain an individual thermal radiation influence value; determining a scene category based on the perception data set, and establishing a thermal radiation evaluation benchmark by adopting a mode matched with the scene category; and if the thermal radiation evaluation benchmark exceeds a preset threshold value, the required transmissivity of the window faces is obtained through a full-transmissivity radiation distribution method, the corresponding window faces are adjusted to the target transmission gradient according to the required transmissivity, and coupling control over the wind direction and / or power of the air conditioning system is selectively triggered. According to the invention, by constructing a multi-dimensional dynamic sensing system and an intelligent control framework, collaborative optimization of human body thermal comfort and building energy efficiency is realized.

The invention provides a dimming window assembly which comprises window glass (1), an adhesive (2), an adhesive film (3), an adhesive (4) and dimming glass (5), a cavity (6) is defined by the inner side of the window glass (1), the adhesive (2), the adhesive film (3), the adhesive (4) and the dimming glass (5), and the cavity (6) is filled with nano SiO2 aerogel particles or / and inert gas. Transparent glass on an existing vehicle window and an existing building window can be subjected to after-installation transformation, and therefore the functions of dimming, heat insulation, energy saving, displaying and the like of the existing window are achieved.

A vertical curtain blind includes a panel assembly having a plurality of individual panels coupled together in a side-by-side arrangement. Each panel extends in a vertical direction between a top end and a bottom end. Additionally, each panel includes first and second pockets positioned along first and second sides of the panel, respectively, adjacent to the top end of the panel. The blind associated includes a plurality of clip assemblies, with each clip assembly being configured to couple a respective pair of adjacent panels of the plurality of panels together. Each clip assembly includes a first connector clip positioned within the first pocket of a first panel of the respective pair of adjacent panels and a second connector clip positioned within the second pocket of an adjacent second panel of the respective pair of adjacent panels, with the first connector clip configured to be coupled to the second connector clip.

The invention relates to the field of application of electrochromic glass, in particular to an environment response type self-powered electrochromic glass intelligent collaborative transparent enclosure structure which comprises an enclosure structure body, and the enclosure structure body is of a sandwich type structure with a hollow interlayer. A self-powered module, an electrochromic glass unit, an environment sensing module and an intelligent regulation and control module are arranged on the enclosure structure main body; in addition, the invention further discloses a dynamic regulation and control method which comprises the steps of collecting data in real time, calculating an energy state and a dynamic regulation and control strategy and the like. The high-efficiency laminated photovoltaic glass and the energy storage unit are integrated, a dynamic regulation and control algorithm is combined, environment response type self power supply is achieved, the light transmittance is adjusted in real time to meet the illumination requirement, the operation cost and the energy consumption are remarkably reduced, modular design is combined with the flexible circuit interconnection technology, and the flexible circuit interconnection technology is optimized. The whole system gets rid of the limitation of complex wiring when being applied to building external windows, curtain walls or daylighting roofs, the installation process is greatly simplified, and the convenience of later maintenance is improved.

The invention discloses a fabricated energy-saving building glass curtain wall in the technical field of building curtain walls, which comprises a glass body, inner reinforcing frames are arranged at the upper end and the lower end of the glass body, and side reinforcing frames are fixedly arranged on the two sides of the glass body and the two sides of the inner reinforcing frames; the two sets of hemispherical column glass are fixedly installed in the upper inner reinforcing frame and the lower inner reinforcing frame respectively, the curved surfaces of the hemispherical column glass are arranged in a back-to-back mode, and the two sets of hemispherical column glass are sleeved with light-transmitting films in a surrounding mode. The solar dimming equipment is arranged between the hemispherical column glass and the light-transmitting thin film, and the solar dimming equipment can adjust the light transmission of the glass body according to the surface temperature change of the light-transmitting thin film; a temperature sensing assembly is arranged in the upper end inner reinforcing frame, the temperature sensing assembly can accurately obtain the surface temperature of the light-transmitting film, the glass curtain wall capable of transmitting light is provided, and solar energy irradiated to the curtain wall can be collected in a targeted mode according to indoor needs.

A modular headrail-mounted automation system for wand-operated horizontal blinds optionally includes a main module with two bilaterally-disposed interfaces to auxiliary modules or cables. Optionally, the system includes a photovoltaic panel whose photosensitive surface is located on the room side of the host blind and faces the host blind's slats. Optionally, the system includes a controller to tilt the slats of the host blind over a range in which the maximum amount of slat closure is reduced when the system is powered by a photovoltaic source. Optionally, the maximum amount of slat closure is dependent upon the level of charge in an energy-storage device charged by a photovoltaic source.

This disclosure provides compositions of electrochromic dyes, functionalized electrochromic dyes and dye macromers which may be incorporated into electrochromic devices with tailored optical properties. The disclosure provides an electrochromic dye with an attached functionalization group wherein the said dye colors by at least one of oxidation and reduction and contains at least two moieties wherein a first moiety is electrochromic and a second moiety is an electrochromic moiety, an electron donating moiety, or an electron receiving moiety and wherein the functionalization group. This disclosure also provides EC compositions and devices for controlling color.

The invention relates to the technical field of cordless curtains, and provides a driving structure of a cordless roller shutter, the cordless roller shutter and an adjusting method. The driving structure comprises a reel, a motor assembly, a volute spiral spring mechanism and a worm and gear mechanism. The motor assembly is used for driving the reel to rotate so as to drive the curtain cloth to ascend and descend, the volute spiral spring mechanism is used for generating hovering torque opposite to gravitational torque of the curtain cloth in the rotating process of the reel, and the worm and gear mechanism is used for adjusting pre-tightening torque of the volute spiral spring mechanism and forming one-way transmission locking, so that in the stroke range of the curtain cloth, the curtain cloth is driven to ascend and descend. The hovering torque of the volute spiral spring mechanism and the gravitational torque of the curtain cloth are kept balanced. The problems that in the prior art, operation is complex and time is consumed when the balance torque is adjusted are solved, and the applicability and convenience of a product are remarkably improved. And accidental sliding or springback of the curtain cloth can be restrained, and long-term stability of the pre-tightening torque and use safety of the roller shutter are guaranteed.

A tubular drive arrangement (20) for a screening arrangement (10) for a window, in which a drive part (24) coupled to drive shaft and a motor of the drive arrangement comprise engagement means (24.1, 24.2) configured to be connected to counterpart engagement means (12.1, 12.2) of a roller tube (12) of the screening arrangement in an assembled condition. At least one resilient damper (31, 32) is connected to or connectable to the engagement means (24.1, 24.2, 24.3) of the drive part (24).

System for controlling tinting of one or more zones of windows in a building based on clear sky models for the building site maintained on a cloud network.

Embodiments described include adhesive bus bars for electrochromic or other optical state changing devices. The bus bars are configured to color match and / or provide minimal optical contrast with their surrounding environment in the optical device, provide better adhesion than ink based bus bars, as well as obviate the need to mitigate defects in underlaying layers.

A lighted architectural-structure covering is disclosed. In one example of an embodiment, an architectural-structure covering includes a light source arranged and configured to illuminate at least a portion of the architectural-structure covering. The architectural-structure covering may include first and second coverings. The light source is arranged and configured to direct light onto the second covering, which is arranged and configured to reflect, redistribute, etc. the received light toward the interior space of the room in which the architectural-structure covering is located. Thus arranged, the architectural-structure covering may be used to create, for example, diffused-lighting effects.

The invention relates to the technical field of building energy-saving intelligent windows, and discloses a sunlight and heat radiation multi-adjustment intelligent window and a preparation method and application thereof. The intelligent window comprises an outer surface layer, a middle layer and an inner surface layer which are stacked in sequence. The outer surface layer comprises an infrared transparent layer, and an infrared reflecting layer and a doped vanadium dioxide layer which are respectively arranged on two opposite surfaces of the infrared transparent layer; the inner surface layer comprises a transparent substrate and a conductive layer attached to the surface of one side of the transparent substrate; the middle layer is a liquid crystal / polymer dimming layer, one side of the liquid crystal / polymer dimming layer is bonded with the infrared reflecting layer, and the other side of the liquid crystal / polymer dimming layer is bonded with the conductive layer. According to the intelligent window, multiple cooperative regulation and control of sunlight and heat radiation can be achieved, the regulation and control wave band is wide, the response speed is high, and the energy-saving effect is good. The regulation and control wave band covers visible light, near infrared and middle and far infrared ranges, reversible change can be realized along with the change of environment temperature, and all-year-round and all-weather energy saving is realized.

A window covering system and a calibration method therefor are provided for generating a safe distance between a middle rail and a lower rail according to status of a first lifting cord. The calibration method includes moving the middle and lower rails upwardly until reaching their initial positions, moving down the lower rail a predetermined distance and storing the detected position thereof as a first position, moving down the middle rail until a switch transmits a first signal as the first lifting cord running through the switch becomes loose, moving up the middle rail until the switch stops transmitting the first signal as the first lifting cord becomes tense, storing the detected position of the middle rail as a second position, and generating the safe distance according to the first and the second positions such that the middle rail is prevented from being pushed by the lower rail.

The present invention relates to a liquid crystal light modulating device comprising substrates coated with a transparent conductive layer and a liquid crystal composition sandwiched between the substrates with a dichroic dye added; the resulting liquid crystal light modulating device can exist in at least two stable states that remain substantially stable after removal of a voltage, wherein at least one of them is the liquid crystal molecules arranged in a substantially ordered manner, and at least one of them is the liquid crystal molecules arranged in a multi-domain and disordered manner; the applied voltage makes the arrangement of liquid crystal molecules can be quickly switched between the above stable states, and different liquid crystal molecule arrangements from the stable states can be obtained; the above liquid crystal light modulating device for incident light can be adjusted between the minimum absorption and minimum scattering state of high clarity and transparency to the maximum absorption and maximum scattering state of the private state, and at the same time realizes the zero-power privacy protection and zero-power clarity and transparency of the two states, and obtains the excellent regulation of the sun's radiant energy and energy-saving light modulating glass that can quickly switch between transparent and privacy-protecting states.

A lockable corner bracket includes a lockable encapsulated axle pulley which houses one end of a length of cord, with the free end secured to a side bracket. A cord locking mechanism is used to lock the encapsulated axle pulley and prevent unwinding of the cord, or loss of tension, during transport and installation to facilitate do-it-yourself installation. The axle pulley is further configured with a central slot to allow frontal insertion of a roller tube. The corner bracket may be used with a manual roller screen including roller tubes fitted with spring assist systems to facilitate winding and unwinding of the screen, or with roller tubes fitted with a tubular motor to drive rotation of the roller tube.

The present invention relates to a child-resistant roller blind lifting fixing rod and a use method thereof. The child-resistant roller blind lifting fixing rod includes a guide rail rod body and a lifting handle, where accommodating cavities are disposed on two sides of the guide rail rod body along an axial direction in a cut-through manner; the lifting handle includes a housing slidably sleeved on the guide rail rod body along the axial direction and a first handle control piece and a second handle control piece correspondingly mounted on two sides of the housing, and each of the first handle control piece and the second handle control piece is provided with a triggering end and a clamping portion corresponding to the traction piece of a roller blind. The overall operation of the present invention is safe and reliable, and thus can prevent from being pulled by children.

Techniques for controlling tone transitions are disclosed herein. In some embodiments, the techniques involve applying a current to a first light-switchable device for a first duration during a controlled current phase, where the first duration is determined based at least in part on a target amount of charge to be provided to the first light-switchable device during the first duration. The technique may also involve applying a predetermined voltage profile to the first light-switchable device in response to the first duration elapsed, where applying the current first and then applying the predetermined voltage profile causes the first light-switchable device to transition from an initial hue state to a target hue state.

The invention discloses a roller shutter mechanism which comprises a roller shutter assembly, a roller shutter assembly and a roller shutter assembly. The number of the end covers is two, and the two ends of the reel are fixedly sleeved with the end covers respectively; the mounting seats are in one-to-one correspondence with the end covers; the pull rope assembly is in transmission connection with the reel so as to drive the curtain cloth to be folded and unfolded; the installation base comprises an installation base body, the installation base body is sunken to form a sunken part, a positioning shaft is arranged in the sunken part, the sunken part is suitable for being arranged outside the end cover in a sleeving mode, and the positioning shaft is arranged in the end cover in a penetrating mode so as to guide the end cover to rotate around the axial direction of the reel. By the adoption of the structure, the reel can be driven to rotate reliably, meanwhile, the structure is simple, the number of parts is small, disassembly and assembly are convenient, and the production cost can be reduced.

Resources of a system for controlling optically switchable windows may be used for a personal computing unit. The window system resources may include (i) a display associated with an optically switchable window, (ii) one or more processors of one or more controllers on a window network connected to a plurality of optically switchable windows in a building, wherein the one or more controllers are configured to vary tint states of the plurality of optically switchable windows in the building, (iii) memory of one or more controllers on the window network connected to the plurality of optically switchable windows in the building, and / or (iv) at least a part of the window network.