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1790results about "Door/window protective devices" patented technology

Management device, management system, and management program

To provide a management device, a management system, and a management program allowing management work to be efficiently performed while ensuring the security of a building.SOLUTION: A management device 90 managing an open / close device 10 disposed in an opening 3 of a building and communicatively connected directly or indirectly to a terminal device 80 held by an operator M performing management work regarding the open / close device 10, is provided with: a comparison section comparing authentication information acquired with an acquisition section to comparison information acquired through a specific method; and a switching control section switching a control mode of the terminal device 80 to a work mode or a non-work mode based on at least a comparison result of the comparison section.SELECTED DRAWING: Figure 1
Owner:SANWA SHUTTER CORP

Intelligent door and window control method and system based on indoor environment analysis

The invention discloses an intelligent door and window control method and system based on indoor environment analysis, and relates to the technical field of door and window control, in the operation process of the system, temperature, humidity, illumination conditions and noise conditions are collected in real time through sensors, preference settings and operation historical records of a user are collected through voice recognition and gesture recognition, and the user experience is improved. Technical parameters provided by door and window manufacturers are used as a first data set, a second data set and a third data set to carry out preprocessing, analysis and extraction, preference setting and habits of users are recognized, an intelligent door and window control index Znkz is obtained through calculation, and the intelligent door and window control index Znkz is obtained according to indoor environment parameters and user preference information. The intelligent door and window control index Znkz is compared with a preset standard threshold value M and a preset standard threshold value N, the current environment state and user requirements are evaluated, a door and window control strategy is made, the opening and closing states of doors and windows are controlled according to instructions of the decision logic module, and a user interface used for interaction is provided.
Owner:ZHANG JIA GANG LING PAO KE JI YOU XIAN GONG SI

System and method for safety management in roll-up doors

A safety curtain and system includes multiple light emitters and multiple light receivers to detect traffic approaching a doorway. The safety curtain my include pairs of multiple light emitters and receivers positioned on both sides of a passageway (doorway) so as to detect approaching traffic. The multiple light emitters and light receivers may detect a height of an approaching traffic (e.g., person or vehicle) and initiate warning lights of a possible door closing. The detected approach of traffic may cause the door to be stopped, reversed or slow down. The system may include a computer to monitor the signals from the receivers and may control the motion of the door.
Owner:RYTEC CORP

Intelligent control method and system for disaster response of wind-resistant and fire-resistant rolling shutter door

The invention relates to the technical field of safety control, in particular to an intelligent control method and system for disaster coping with a wind-resistant and fire-resistant rolling shutter door, and the method comprises the following steps: extracting and calculating a wind speed difference value and a temperature gradient value based on a wind speed sensor signal and a temperature sensor signal of the rolling shutter door, carrying out the attribution classification through combining the load pressure data at the two sides of a door curtain, and comparing and judging with the node state of the roller shutter door to obtain a node disaster response priority index. According to the method, the wind speed difference value and the temperature gradient are calculated by extracting wind speed and temperature signals, multi-node cooperation is ensured, transmission shaft operation parameters, infrared signals and the pressure state are analyzed, the operation state is mastered in real time, the power of the transmission shaft is dynamically adjusted to improve adaptability and stability, output of a driving motor and configuration of sealing parameters are optimized, and the sealing performance is improved. The roller shutter door can keep balance between operation and sealing performance under strong wind and high temperature, wind resistance and fire resistance are remarkably improved, disaster loss is reduced, and response efficiency and safety protection capacity are enhanced.
Owner:SHANXI CONSTR ENG CO LTD

Quickly installed, expandable, and modularly designed louver awning

A quickly installed, expandable, and modularly designed louver awning includes several leg tubes, a ring beam frame disposed on upper ends of the leg tubes, and a louver system disposed on the ring beam frame. The ring beam frame includes several ring beams slidably installed on the leg tubes, ring beam linings are firmly disposed in ends of the ring beams, and the ring beam linings are connected to the leg tubes through first fasteners. The ring beams and the leg tubes are connected through leg tube linings and the ring beam linings, so that structural strength of the ring beams and the leg tubes is increased, a part quantity is reduced, assembly is easier to operate with a smaller error, and the fasteners are not exposed, thereby providing better aesthetic appearance.
Owner:ZHEJIANG YOTRIO GRP CO LTD

Double-string rolling device

A double-string rolling device is installed on a roller blind and includes a first engagement unit, a second engagement unit and a first ratchet unit mounted on two ends of the first engagement unit, a second ratchet unit mounted on the second engagement unit, a first disc and a second disc connected to the first engagement unit and the second engagement unit respectively, a first string and a second string wrapped around the first disc and the second disc respectively, and an elastic unit disposed between the first disc and the second disc. By pulling the first string and the second string, the first ratchet unit and the second ratchet unit respectively rotate in different directions to further unfold or fold a curtain of the roller blind. The first string and the second string restore to the original position automatically owing to resilience of the elastic unit.
Owner:MAKTAI

Cord lock actuation assembly for a continuous looped operator

An actuation assembly for a continuous looped operator includes a slide assembly configured to laterally slide in a first direction and a second direction opposite the first direction, a first cord engagement member carried by the slide assembly, a second cord engagement member carried by the slide assembly, and a selector switch connected to the slide assembly, the selector switch receives a portion of the first cord engagement member and a portion of the second cord engagement member, the selector switch configured to move relative to the slide assembly between a first position and a second position.
Owner:SPRINGS WINDOW FASHIONS LLC

Roll Up Door Spring Tensioning Device

A roll up door tensioning device is provided. A bracket having a first door side and a second outer side connects an axle to a support structure. A spring plate on the bracket second outer side has an inner circumference fixedly attached to a collared bearing assembly for rotatably supporting an axle through the bracket. The spring plate is fixedly attached to a tensioning wheel on the bracket first door side. A tensioning wheel on the bracket first door side forms a drive stop mechanism with a tensioning drive.
Owner:ROLL-UP DOOR INC

Electromechanical actuator for blackout or sun-shading device and blackout or sun-shading installation comprising such an actuator

An electromechanical actuator is integrated into a blackout or sun-shading device that includes a screen, top and bottom bars, and top and bottom winding shafts. The screen is between the bars. The top bar is connected to the top winding shaft by first cords. The bottom bar is connected to the bottom winding shaft by second cords. The electromechanical actuator includes first and second transmission devices and an electric motor that drives the shafts. The first transmission device connects to the motor and the top winding shaft and includes a first clutch. The second transmission device connects to the electric motor and the bottom winding shaft and includes a second clutch. When the motor is activated with only one clutch engaged, only one winding shaft is rotated. Moreover, when the motor is activated electrically and the clutches are engaged, the winding shafts are rotated by the motor.
Owner:SOMFY ACTIVITES SA

Methods and apparatus to monitor and / or adjust operations of doors

Methods and apparatus to monitor and / or adjust operations of doors are disclosed. An apparatus includes processor circuitry to execute instructions to: monitor a position of a door panel associated with a door system; detect when a beam from a photo-eye sensor associated with the door system is in an unexpected non-triggered state based on the position of the door panel; and generate an alert or notification indicating a significance of the beam in the unexpected non-triggered state.
Owner:RITE HITE HLDG CORP

Power track assembly and accessory base therefore

An accessory base is provided which may be used with a power track assembly. The accessory base is connected to a power track assembly and a powered accessory so that the powered accessory is powered by the power track. The accessory base may also be used with power tracks in a roller tube awning assembly, a cassette awning assembly, hardware assembly, or a track which may be mounted to a surface.
Owner:DOMETIC APPLIANCES

Servo control method and servo control system for fast door

The invention relates to the technical field of intelligent control, and particularly discloses a servo control method and a servo control system for a fast door, and the method comprises the following steps: a multi-modal data fusion step: collecting a mechanical state, an environment parameter and system health data, and constructing a multi-dimensional state vector; a self-adaptive control step: dynamically generating control parameters based on fuzzy PID and a deep learning model; a multi-stage energy consumption optimization step: switching a control strategy according to the operation stage of the door body, and introducing a regenerative braking and energy efficiency optimization algorithm; and a fault self-healing step: realizing control switching in an abnormal state through sensor redundancy and actuator backup. Compared with traditional single closed-loop control, the positioning precision is improved, and the anti-interference capability is improved through fusion of the mechanical state and the environmental data.
Owner:TIANJIN LISHENG PHARM CO LTD

Cordless window covering

A cordless window covering includes a first rail, a second rail, a covering body, two pulling cords, and a cord-retracting device including a first casing and an adjusting member movably disposed on the first casing. When relative motion of the first rail and the second rail occurs, the covering body is extended or retracted, and the two pulling cords apply a first force and a second force in opposite directions to the adjusting member respectively. When the first force does not equal to the second force, the user can exert slight force on the second rail to move the adjusting member towards a side with greater force, making one of the pulling cords applying greater force to the adjusting member have its length between the first rail and the second rail elongate as the adjusting member moves, such that the non-horizontal state of the second rail can be easily corrected.
Owner:NIEN MADE ENTERPRISE CO LTD

Electromechanical actuator and shading device comprising such an electromechanical actuator

An electromechanical actuator comprises a casing, an electric motor, a gearbox, a spring-applied brake (25), and a centring shaft (71). The brake (25) comprises a coil spring (48), a drum (49), an input member (50) and an output member (51). The output member (51) comprises a first bore (73). The shaft (71) is mounted inside the first bore (73) of the output member (51) and a bore of a sun gear (40) of a reduction stage (38) of the gearbox. The drum (49) comprises a shoulder (90). Furthermore, a planet carrier (66) of the reduction stage (38) is configured to bear against the shoulder (90) of the drum (49).
Owner:SOMFY ACTIVITES SA

Electric sunshade curtain with synchronous belt connecting pieces convenient to disassemble and assemble

The utility model relates to an electric sunshade curtain convenient to disassemble and assemble a synchronous belt connecting piece, which comprises a motor, a synchronous wheel, a synchronous belt and the synchronous belt connecting piece, the upper surface and the lower surface of the body of the synchronous belt connecting piece are flat smooth surfaces, the four side surfaces of the body are provided with ventilation slots, and the body is provided with a power cavity for fixing the synchronous belt. A power cavity is formed in the body, a rack-shaped notch meshed with the synchronous belt is formed in the power cavity, a small cavity is formed in the body, a large cavity is formed in the body, and a balance cavity is formed in the body. A buckle support is installed on the back face of the body, the buckle support is in a Z shape, and a fixing end, a connecting end fixedly connected with curtain cloth and an installation hole are arranged on the buckle support. The power cavity, the large cavity, the small cavity and the like are formed in the body, the synchronous belt can be directly fixed after being placed in the power cavity, then the curtain cloth is pulled to move up and down through the buckle support, and the large cavity and the small cavity can reserve a space for containing a second synchronous belt.
Owner:NINGBO DEYI SMART HOME CO LTD

Integrated bracket assembly with head stop for overhead doors

A bracket assembly for overhead roll-up doors includes a bracket body, and a head stop extending from the bracket body. The head stop is configured to limit travel of a roll-up door. The head stop includes perforated sections that create a hinge line in the material, allowing bending or rotation relative to the bracket body. The perforated sections include small, precisely spaced holes enabling the head stop to bend or fold into position. The bracket body and head stop form a gap at their intersection, creating a natural hinge point for bending the head stop. The head stop includes punched holes for attaching to vertical guides and additional head stops. The bracket body includes a bracket opening to receive an axle, a bracket stop cap, a tensioning drive, and guide tabs. The bracket body integrating the head stop reduces installation complexity and improves reliability compared to traditional separate component configurations.
Owner:CLTC LLC

Sun-shading, heat-insulating and energy-saving door and window

The utility model discloses a sunshade heat-insulation energy-saving door and window which comprises an installation frame and two pieces of glass arranged in the middle of the installation frame, magnetic attraction blocks are arranged on the two sides of the outer side of the installation frame respectively, rope collecting devices are arranged on the two sides of the top of the interior of the installation frame respectively, a pull rope is arranged on a rope collecting shaft, a plurality of louver blades are arranged on the pull rope, and the louver blades are arranged on the installation frame. A traction device is arranged on one side of the mounting frame, glass clamping blocks are arranged on the two sides and the bottom of the glass respectively, two clamping grooves are formed in the inner side of the mounting frame, a bottom frame is arranged at the bottom of the mounting frame, a plurality of T-shaped blocks are arranged at the bottom of the mounting frame, a plurality of mounting grooves are formed in the bottom frame, and a plurality of mounting holes are formed in the bottom frame. Through the arrangement of the structure, the louver blades and the pull rope in the door and window are very convenient to maintain and replace, time and labor cost are saved, and due to the fact that only parts which are damaged locally need to be replaced or repaired instead of replacing the whole door and window, the maintenance cost can be greatly reduced.
Owner:HEBEI HONGSEN CONSTR TECH CO LTD

Opening / closing device for opening / closing body and control method thereof

To provide an opening / closing device for an opening / closing body and a control method thereof which do not force unnatural operation due to restriction on operation even in a state where a mechanical absolute position of the opening / closing body cannot be recognized after power is turned on.SOLUTION: A method of controlling an opening / closing device 1 for an opening / closing body 10, including the steps of: storing, as a first position P1, a position at which a motor 2 is stopped by detecting that the opening / closing body 10 cannot be operated any more in the closing direction during a first closing operation in a case where an operation signal for instructing the closing operation is present in an origin return operation mode after power-on; storing, as a second position P2, a position at which the motor 2 is stopped by detecting that the opening / closing body 10 cannot be further operated in the opening direction during the automatic second opening operation; determining a position, at which the first position P1 and the second position P2 are found to be coincide with each other, as a temporary fully closed position TDL; and causing the opening / closing body to be in the closing operation to stop at the temporary fully closed position TDL, until the origin position OP is detected and the origin return operation mode is ended, in a case where there is an operation signal for instructing the closing operation.SELECTED DRAWING: Figure 1
Owner:HARMONY

Industrial door system with a fall protection mechanism

An industrial door system comprising a door leaf (S'), a motor (47), a drive shaft (50) and a cable drum (51) supported on, and co-rotating with, the drive shaft, a lifting cable (9; 211) suspended from the cable drum and a bottom beam (8; 205) coupled to the lifting cable, said bottom beam being connected to a lower end of the door leaf (8'), wherein the bottom beam and the door leaf are guided during opening and closing in a vertically oriented door frame element (6; 202). An electrically powered fall protection mechanism (1, 2, 3, 18; 201, 203, 204, 216) is, in the energized state, operative to hold either one of a piston (201) movably arranged in or in connection with the bottom beam (205) in a spring-biased rest position, or a step rail (2) movably arranged in the door frame element (6) in a spring-biased rest position.
Owner:BEYRON ANDERS

Shade member and window blind having same

A shade member and a window blind including multiple such shade members are provided. The shade member is made by welding a first shade element, a second shade element, and a third shade element together. The second shade element is situated on a first region of the first shade element, while the first shade element and the second shade element are unified by longitudinally overlapping and ultrasonic welding. The third shade element is situated on a second region of the first shade element, while the first shade element and the third shade element are unified by longitudinally overlapping and ultrasonic welding. Such a structure allows the shade member to easily include distinct portions made of different materials, so that the window blind including such shade members can provide a variety of appearance designs and texture combinations while lowering the production cost and increasing the production efficiency.
Owner:NIEN MADE ENTERPRISE CO LTD

Tension device for an endless operating loop of a screen

The invention has for its object to provide a tension device for an endless operating loop that does fulfill these latest requirements for child safety, as described in the ANSI / WCMA A100.1-2022. The tension device comprises a locking element for locking the slidable member in a locked position in the housing, wherein in the locked position of the slidable member the one or more immobilization elements immobilize the endless operating loop in the non-operating position.
Owner:COULISSE

Lock capable of being mechanically and electronically unlocked

The utility model discloses a lock capable of being mechanically unlocked and electronically unlocked. The utility model aims to solve the problem that when a lock in the prior art is provided for an unspecified user to use or is shared by a plurality of people, a user who is used as an electric lock or a mechanical lock is inconvenient to use. According to the technical scheme, the lock comprises a lock shell, a lock cylinder, a lock cylinder driving gear, a driving rod and a lock rod and is characterized by further comprising a motor driver and a sliding push block, the lock rod is composed of a lock rod front section, a lock rod rear section and a compressed spring, the lock rod front section and the lock rod rear section are in sliding fit with the lock shell, a long hole sliding groove is formed in the lock rod rear section, and a spring sleeve rod is arranged at the position, on the rear side of the long hole sliding groove, of the lock rod rear section; a protruding lock rod sliding block and a pushed plate are arranged on the front section of the lock rod, the lock rod sliding block is arranged in the long hole sliding groove in a sliding fit mode, the spring sleeve rod is sleeved with the compressed spring and abuts against the lock rod sliding block, the motor driver is fixed to the lock shell, the sliding pushing block is arranged on the lock shell in a sliding fit mode, and a driving lead screw on the motor driver is in threaded fit with the sliding pushing block. And the sliding push block is in pushing fit with a pushed plate at the front section of the lock rod.
Owner:SHANTOU XINWEI LOCKS CO LTD

Window blinds mechanism

A window blinds mechanism has a blinds member, a rope reel and at least two dampers. The rope reel has a bottom casing, a first rolling wheel, a second rolling wheel, a plurality of planetary gears, a top casing, a driving wheel and an upper cover. The driving gear of the first rolling wheel is engaged with the driving wheel through the planetary gears, with the high reduction ratio of the planetary gears, the spring rate of the scroll spring can be reduced which reduces the length and volume of the scroll spring. It not only helps to reduce the cost of the scroll spring, but also allows the flexibility to choose the number of the scroll spring according to the curtain material volume.
Owner:HUNG SHIH MIN

Electromechanical actuator and shading device including such an electromechanical actuator

An electromechanical actuator comprises a casing, an electric motor, a gearbox, a spring-applied brake (25) and a centring shaft (71). The brake (25) comprises a coil spring (48), a drum (49), an input member (50), an output member (51) and a bushing (76). The input member (50) comprises a first bore (72). The output member (51) comprises a first bore (73) and a second bore (74). The shaft (71) is mounted inside the first bore (73) of the output member (51) and a bore of a sun gear of a reduction stage of the gearbox. The bushing (76) comprises a bore (77), inside which the shaft (71) is mounted. The bushing (76) is mounted inside the first bore (72) of the input member (50) with an interference fit and inside the second bore (74) of the output member (51) with a loose fit.
Owner:SOMFY ACTIVITES SA

Motorized venetian blind

A motorized venetian blind includes a first lifting electric machine, a second lifting electric machine and a tilting electric machine for respectively control a front pull cord, a rear pull cord and a ladder cord. When a front warp and a rear warp of the ladder cord are controlled by the tilting electric machine to move downwardly and upwardly respectively to tilt the slats to the closed position, one of the pull cords on the same side as the upwardly-moving warp is controlled by the first lifting electric machine or the second lifting electric machine to move upwardly along with the upwardly-moving warp. Therefore, the synchronization of the pull cords and the ladder cord is improved, whereby closure between the slats is enhanced, and the bottom rail can be fully tilted to be mostly vertical, partially overlapping the neighboring slat for preventing light leakage.
Owner:NIEN MADE ENTERPRISE CO LTD

Efficient and energy-saving power distribution cabinet

The invention discloses an efficient and energy-saving power distribution cabinet, and relates to the technical field of power distribution cabinets. The problem of power control is solved. The power distribution cabinet specifically comprises a cabinet body and a cabinet door rotationally connected to an opening of the cabinet body, a mounting frame used for mounting electrical elements is arranged in the cabinet body, a cooling fan is arranged on the side wall of the cabinet body, and a partition control part used for controlling the power of the cooling fan is arranged in the cabinet body. And the partition control part comprises a cavity hollow shell, a magnetic conductive iron core and a hollow cover plate. By means of the electromagnetic induction principle, the number of connected turns of the secondary coil can be controlled through the position of the electrode tip, so that the power of the heat dissipation fan is controlled, the heat dissipation power of the heat dissipation fan is matched with the heat production efficiency, reliable heat dissipation is guaranteed, the energy-saving effect can be achieved, meanwhile, the multiple sets of heat dissipation fans are arranged and located at different positions, and the heat dissipation efficiency is improved. Therefore, partition control of heat dissipation can be realized according to different temperatures of all areas in the cabinet body, and the use effect is further improved.
Owner:GUODIAN SHUANGYASHAN POWER GENERATION CO LTD

Safety lift cord assembly for window blinds

A safety lift cord assembly for a window blind includes two ladder strings and multiple transverse strings located between the two ladder strings. The two ladder strings are parallel to each other, and the transverse strings control angular status of slats of the window blind. Two sleeves are located on two ends of the ladder unit. Two lift cords respectively extend through the two sleeves. The first end of each lift cord is fixed to a bottom rail, and the second end of each lift cord is connected to a roller in a top rail of the window blind. Two ropes respectively extend through the two sleeves. Multiple retainers are formed between the ladder strings and the ropes. When the lift cords are lifted, the ropes drive the ladder unit, and the sleeves are collected and is not dragged by the retainers to avoid from being torn or damaged.
Owner:CHING FENG HOME FASHIONS CO LTD

Curtain

The utility model provides a curtain which comprises an upper curtain rod, a lower curtain rod, a first curtain body, a second curtain body, a pull rope and a rope winder. The first curtain body and the second curtain body are oppositely arranged front and back, the first curtain body is a Roman curtain, the second curtain body is a pleated blind or a honeycomb blind, and the second curtain body comprises a plurality of folding units which are sequentially connected up and down; at least part of the folding units in the second curtain body are connected with the first curtain body; the rope winder is fixedly arranged in the upper curtain rod, one end of the pull rope is connected with the rope winder, the other end of the pull rope is connected with the lower curtain rod, and the pull rope is connected with the folding units in the second curtain body at the same time. The curtain is provided with two different types of curtain bodies for users to select and use, so that different requirements of the users are met, and the attractiveness of the curtain can be improved.
Owner:HANGZHOU QIAOWEI TECH CO LTD

Pull cord protection assembly for curtain and curtain including same

Provided is a pull cord protection assembly for a curtain. The curtain includes a cover portion provided with a plurality of positioning rings and a pull cord configured to control lifting and lowering of the curtain, the pull cord protection assembly includes a plurality of segments that are connected end to end sequentially, each of the plurality of segments including: a flexible sheath in a tubular shape and having a hollow internal channel, the flexible sheath having a first end and a second end; a connection head capable of being fixedly connected to the first end of the flexible sheath; and a connection socket capable of being fixedly connected to the second end of the flexible sheath, in which a connection head and a connection socket of two adjacent segments are capable of being connected to each other and holding one of the plurality of positioning rings therebetween.
Owner:HANGZHOU GIPUTA CLOTHING CO LTD