1850results about "Light protection screens" patented technology

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.

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 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.

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.

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.

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.

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.

The roller shade system provides increased support, additional adjustments and / or increased safety. The slip plate allows the brake to slip forward and minimize damage to the clutch spring when a user pulls too hard on the hembar. The center drive mechanism extends through a bracket to allow the drive shaft to distribute power in both directions and drive two shade tube simultaneously. The tube adapter absorbs force from the spinning shade tube to minimize damage to the other components and the bead chain. An adjustment arm is adjusted to help level the shade band. The shade bands may be removed without disturbing the other shade bands in the system. A height of a hembar may be adjusted by rotating a rod within the hembar.

Systems and methods are described herein for a smart rail with integrated sensors, microcontroller, solar panel and battery to create a dynamic shading system that is self-sufficient, and fault tolerant. In most motorized window coverings, the rechargeable motor resides in the top rail bar so that the smart rail requires a docking mechanism to charge the rechargeable motor—for the sake of this patent, this will be referred to as a “distributed smart rail motor system”. In other window coverings, such as certain cellular shades and horizontal blinds, it is feasible to further integrate the rechargeable motor into the smart rail for a completely integrated solution—for tan “sake of this patent, this will be referred to as an “integrated smart rail motor system”. A system and method are also disclosed herein for cutting fabric in-place on an adjustable shade roller.

Disclosed in the present invention are a sunshade system with independently adjustable thermal insulation and shading performance and a control method therefor. The sunshade system with independently adjustable thermal insulation and shading performance mainly consists of a glazing system, a window frame, a sunshade mechanism, and a monitoring mechanism. A solar radiation sensor and an outdoor air temperature sensor in the monitoring mechanism are used to collect outdoor solar radiation data and air temperature data in real time, and the data is transmitted to a central processing unit; and on the basis of a sun-shading area ratio prediction model and according to measured values from the solar radiation sensor and the temperature sensor, the central processing unit extracts geometric parameters of an external window to determine the unfolding degree of a roll film. The present disclosure guarantees year-round thermal environment and day lighting effect in the interior of a building, and reduces the air conditioning and heating energy consumption of the building.

The invention discloses a heat-preservation and heat-insulation composite window and a ventilation method. The heat-preservation and heat-insulation composite window comprises a window frame; the window frame is provided with a window frame top cavity and a window frame bottom cavity. A glass assembly; the glass assembly comprises electrochromic glass, first glass and second glass which are sequentially assembled in the notch of the window frame at intervals in the first direction; a first cavity is formed between the electrochromic glass and the first glass, and a second cavity is formed between the first glass and the second glass; a top opening and a bottom opening are formed between the electrochromic glass and the first glass; the window frame top cavity is provided with a first opening, and the window frame bottom cavity is provided with a second opening. The first opening, the top opening, the second opening and the bottom opening are communicated in sequence; a fan; the fan is arranged in the bottom cavity of the window frame. According to the scheme, the draught fan is arranged, heat absorbed in the first cavity is discharged out of a room so as to take away heat of the electrochromic glass, meanwhile, the second cavity is arranged to be a sealed cavity, the effects of heat preservation and heat conduction restraining are achieved, and the heat insulation effect is enhanced.

A folding turnover type modularized multimedia teaching blackboard and light environment system comprises a main body, a control module, blackboard modules and a multimedia display module are arranged on the main body, the multimedia display module is rotationally arranged on the main body, and the blackboard modules are rotationally arranged on the two sides of the multimedia display module. According to the technical scheme, the problem that in the switching process of an existing push-pull type multimedia teaching blackboard, visible blind areas of students are caused is effectively solved, it is ensured that the students at all positions in a classroom can obtain continuous and unshielded visual fields, and reading difficulty caused by the limited visual angles is avoided; meanwhile, due to the turnover layout of the blackboard module, occupation of a writing area is avoided, the space utilization rate of a display area and a writing area is remarkably increased, seamless connection of function switching is achieved, and therefore the overall applicability of the teaching environment is optimized.

The utility model discloses a honeycomb curtain with an underlying driving device, which comprises a fixed beam, a movable beam, curtain cloth arranged between the fixed beam and the movable beam and a winding rope arranged in the curtain cloth in a penetrating manner, the driving device and a rope winder are arranged in the movable beam, and the output end of the driving device is connected with the rope winder; a leveling device is arranged on the movable beam, one end of the winding rope is wound on the rope winder, the other end of the winding rope is connected with the leveling device after bypassing the fixed beam, and the leveling device is used for adjusting the balance of the movable beam. The battery, the driving device and the rope winder are all arranged in the movable beam, later maintenance is facilitated, the leveling device is arranged, and when the movable beam inclines, the balance degree of the movable beam can be adjusted.

A window covering includes a positional adjustment mechanism. The positional adjustment mechanism can be utilized to adjust a position of window covering material or lift cords passed through and / or connected to such material for positional adjustment of the window covering material between a fully retracted position and a fully extended position. A tension adjustment mechanism for the window covering positional adjustment mechanism can be configured to permit a user to adjust an amount of force that may be needed to be applied to a bottom rail or the window covering material to effect a raising or lowering of the window covering material to provide a more desired level of precision in the height adjustment of the window covering material. A resistance mechanism can also (or alternatively) be provided to provide additional drag force to improve precision in height adjustment.

The invention relates to an actuator for driving a sun protection or blocking screen between a plurality of positions, the actuator comprising an electric motor (4), a reduction gear (6), at least one battery (8) powering the geared motor, a circuit (12) for controlling the geared motor, a charging connector (16) designed to allow the at least one battery (8) to be connected to a power supply device, the actuator also comprising a casing (2) having a longitudinal axis (X) for housing the motor (4), the reduction gear (6), the battery (8) and the control circuit (12), the charging connector (16) being a standard connector, the actuator being intended to co-operate with a power supply device comprising a standard connector corresponding to the standard connector of the actuator. The control circuit (12) has means for transmitting, to the power supply device, a request for a power supply profile comprising at least a

The invention discloses an energy-saving dimming assembly and a manufacturing method, and relates to the technical field of building energy-saving facilities, and the energy-saving dimming assembly is sequentially provided with a first transparent layer, a second transparent layer, a third transparent layer and a fourth transparent layer from outside to inside, the temperature response functional layer comprises a mixture of at least two thermochromic high polymer materials and is configured to realize adjustment of light transmittance in a preset temperature interval; the second transparent layer is used for supporting the temperature response functional layer; and an optical regulation and control layer configured to have a low-radiation characteristic in a long-wave infrared region. According to the invention, the transmittance of visible light and infrared light of the window can be changed along with the change of temperature at 20-38 DEG C. Meanwhile, programmed adjustment of the corresponding temperature response interval can be achieved through temperature change; and the gradual change of the transmittance of visible light and infrared light can be regulated and controlled in a programmed manner through the temperature change, so that the effects of regulating the indoor brightness and temperature and protecting the visual comfort of a user are realized, and the aim of saving energy is fulfilled.

Some embodiments of the disclosure relate to the technical field of circuits and disclose a combined fabric curtain with interactive display, including a curtain body and further including a control system and a plurality of flexible LED light strips. The curtain body includes a first fabric base layer and a second fabric covering layer; the control system controls the plurality of flexible LED light strips to interact and cooperate with each other to emit light to form preset patterns. The present disclosure may improve the structure of a conventional curtain and combine the conventional curtain with the flexible LED light strips to form the combined curtain with interactive display. As a result, the function of the curtain is no longer limited to sunshade and heat insulation, and the curtain may also have a decorative function and may form preset patterns by controlling the light strips as needed.

The utility model relates to an arc built-in shutter hollow glass product which comprises inner arc-shaped glass, outer arc-shaped glass, an arc-shaped frame, shutter blades, an inner magnetic transmission part and an outer magnetic controller, the arc-shaped frame comprises an upper arc-shaped transverse frame, a lower arc-shaped transverse frame, a left vertical frame and a right vertical frame, and a synchronous belt and a stretching turner are arranged in each arc-shaped transverse frame. The left end and the right end of the arc-shaped transverse frame are each provided with a corner support, synchronous wheel shafts are rotationally arranged in the corner supports, the annular synchronous belt is wound around the left synchronous wheel shaft and the right synchronous wheel shaft, the stretching turner is arranged on one side of the synchronous belt in a sleeving mode, the synchronous wheel shafts on the left side and the right side are connected with a transmission aluminum shaft, and the transmission aluminum shaft is driven by an inner magnetic transmission piece to rotate. One side of each louver blade is fixed in the vertical frame, a stretching turnover shaft is arranged on the other side of each louver blade, and two ends of each stretching turnover shaft are respectively connected with a stretching turner. According to the curved built-in shutter hollow glass product, the shutter blades have the functions of stretching, folding, angle adjusting and the like, so that the curved built-in shutter hollow glass product has three effects of full shading, semi-shading and full lighting.

A support system for supporting at least one extendable covering includes a bracket and an extendable covering end piece. The bracket is adapted for being connected to a wall or ceiling, wherein the bracket and the extendable covering end piece includes corresponding connection an arrangement for connecting the extendable covering end piece to the bracket in a way that the extendable covering may hang supported by the bracket in a first orientation. The support system includes an adjustment arrangement for fine adjustment of a position of the extendable covering relative to the wall or ceiling to a second orientation. The adjustment arrangement includes an arrangement for locking the extendable covering in the second orientation relative to the wall or ceiling when the extendable covering hangs supported by the bracket.

The present application relates to the technical field of rolling shutter door, especially a mute sliding door with automatic sealing mechanism, comprising an aluminum alloy profile straight rail, a sliding door compartment fixed on the upper end of the aluminum alloy profile straight rail, a tubular motor installed inside the sliding door compartment and an aluminum alloy profile bottom beam fixed on the bottom of the aluminum alloy profile straight rail. The mute sliding door with automatic sealing mechanism is provided with an external telescopic rod with an externally mounted guide roller elastically assembled on the cylindrical transverse control frame of the rotating mute rolling frame, which can avoid collision with the motor when the rolling shutter is quickly started, thereby improving safety, durability and mute performance. The aluminum alloy profile straight rail is movably assembled with a screw rod turnover extrusion mechanism for improving the sealing performance of the flexible rolling shutter mechanism assembly, which can improve the adhesion of both sides of the rolling shutter when closed, thereby further enhancing the sealing performance.

The utility model discloses a hollow glass shutter with built-in power-assisted lifting, which relates to the technical field of shutters and comprises a frame, a pulley seat and a switching structure, the pulley seat is arranged in the frame, a winding wheel is mounted in the pulley seat, and rope grooves matched with shutter lifting ropes in number are arranged on the surface of the winding wheel. The switching structure is located on the connecting end face of the winding wheel and the pulley base and can provide different assistance according to the number of the blades, one end of the shutter lifting rope penetrates through the blades, the other end of the shutter lifting rope is connected with the magnetic strip, the shutter is opened and closed through pulling of the magnetic strip outside the glass, and when a small number of blades are stacked, the shutter lifting rope is pulled easily, and an inserting rod slides independently in a spiral groove. After the number of the blades is increased, the inserting rod is inserted into the rod sleeve, the spring roll is driven to unwind and assist the shutter lifting rope, when the blades are put down, the inserting rod and the rod sleeve firstly contract and rotate to wind the spring roll, then the inserting rod independently slides, in addition, a clamping structure composed of the clamping rod and the clamping groove is further arranged to fix the shutter lifting rope, the defects in the prior art can be effectively overcome, and a user can conveniently use the shutter.

The utility model discloses a double-motor sub-control type electric shutter driving mechanism, which belongs to the technical field of electric shutters and comprises a turnover motor, a lifting motor, a turnover shaft, a lifting shaft, a double-shaft seat and a mechanical-electrical interlocking limiting device, the turnover shaft and the lifting shaft are arranged in parallel, and the double-shaft seat is fixed in a top frame of a shutter body through an L-shaped mounting seat. The turning wheel and the lifting winding reel are in key connection respectively, so that an independent transmission path of the lifting rope and the turning rope is realized; the limiting device comprises a rectangular frame, an overturning / lifting threaded shaft barrel penetrating through the rectangular frame, a control block in threaded sleeving connection and a guide groove type limiting switch set, and a corresponding limiting switch is triggered through sliding of an overturning protruding block and a lifting protruding block along a guide groove, so that a motor driving signal is directly cut off. Through the double-motor time-sharing control logic and the thread pair linkage limiting design, rope abrasion and unexpected displacement caused by action coupling are thoroughly eliminated, the positioning precision reaches + / -0.05 mm, meanwhile, the standby energy consumption is reduced by 62%, and the device is suitable for high-rise buildings and intelligent home scenes.

The invention relates to a roller shutter structure. A roller shutter structure comprises a winding drum wound with curtain cloth, and a winding drum supporting piece, a torque assembly and an end supporting piece are arranged in the winding drum. The torque assembly enables the winding drum to bear torsion N; a force conversion part is arranged between the winding drum supporting piece and the end supporting piece, and the force conversion part can change the friction force F between the winding drum supporting piece and the end supporting piece by changing the pressure P in the axial direction; gravity G, torsion N and friction force F of the curtain cloth are simultaneously applied to the winding drum, N = G + / -F in the up-down movement process of the curtain cloth, and the curtain cloth is made to be static at any position without external force. The roller shutter structure can be installed by directly utilizing axial pressure, can adapt to installation of roller shutters with different widths and different fabrics, and is convenient to adjust and good in stability.

A smart window including a solid polymer film which is opaque at an ambient temperature and transparent at an elevated temperature; a transparent heater to supply uniform heating to at least a part of the solid polymer film; and a power supply connected to the transparent heater.

A window blind support assembly including one or more elongate support members; a mounting bracket; and a locating element; wherein the or each elongate support member defines a longitudinal channel; the locating element is slidably coupled to the or one of the elongate support members via the longitudinal channel; the mounting bracket defines a retaining portion and a connecting portion; and the retaining portion of the mounting bracket is secured to the elongate support member at a desired position via the locating element.