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144 results about "Doors" patented technology

Doors is an inter-process communication facility for Unix computer systems. They provide a form of procedure call.

Integrated system for controlling opening and closing of cold storage door and control method

The invention relates to the technical field of cold storage door control, and discloses a cold storage door opening and closing control method which comprises the following steps: acquiring multi-mode sensing information related to operation of a cold storage door system; driving a digital twinborn model based on the multi-mode sensing information, and analyzing the current state and predicting the future state of the cold storage door system by using the digital twinborn model; based on the multi-mode sensing information and the analysis and prediction result of the digital twinborn model, a deep reinforcement learning algorithm is adopted to generate a cooperative control instruction for the cold storage door opening and closing motion and the operation of at least one energy-saving device; and executing the cooperative control instruction. Energy flow is accurately simulated and predicted by using a high-fidelity digital twinborn model, and the actual traffic demand is accurately judged in combination with multi-modal perception, so that a deep reinforcement learning agent can generate a cooperative control instruction with the lowest comprehensive energy consumption as a target, and active intelligent energy saving is realized.
Owner:余若彬

A heavy-duty automatic door using a linear bearing track

The present invention relates to the technical field of axially movable doors and windows, and specifically to a heavy-duty automatic door using a linear bearing track. The automatic door comprises a heavy-duty door, a moving mechanism, a supporting mechanism and an adjusting mechanism. An operator first starts the moving mechanism to move the heavy-duty door, and then uses rolling and replacement of rolling columns in the supporting mechanism to achieve rapid movement of the heavy-duty door. When it is necessary to stop, the adjusting mechanism is used to change the center of gravity of the heavy-duty door to achieve rapid stagnation. The device has a simple structure, effectively solves the inertia problem of rapid movement of heavy-duty doors using linear bearings and stagnation after movement, avoids damage to the mobile equipment, has good practicality and economy, and is beneficial to the promotion and use of the equipment.
Owner:HUNAN KANGNINGDA MEDICAL TECH CO LTD

Door assembly and refrigeration device

The present application relates to the technical field of hinges. Provided are a door assembly and a refrigeration device. The door assembly comprises a door body and a second hinge member, the door body having, on the hinged side, a first slot in which a first shaft is inserted and a second slot in which a second shaft is inserted, wherein the distance from a starting end of the first slot to a front side face of the door body is greater than or equal to 1 mm and less than or equal to 4.8 mm, the distance from a first turning point of the first slot to the front side face is greater than or equal to 5 mm and less than or equal to 10 mm, and the distance from a terminal end of the first slot to the front side face is greater than or equal to 3 mm and less than or equal to 10 mm; and the distance from a starting end of the second slot to the front side face of the door body is greater than or equal to 1 mm and less than or equal to 4 mm, and the distance from a terminal end of the second slot to the front side face is greater than or equal to 15 mm and less than or equal to 27 mm. In the door assembly of the present application, the distance from the first slot to the front side face and the distance from the second slot to the front side face are reduced, so that the thickness of the door body is reduced, and the door assembly is suitable for ultrathin doors and inset doors.
Owner:HEFEI MIDEA REFRIGERATOR CO LTD +2

Door group composed of fluid controllable doors

The utility model discloses a door group consisting of fluid controllable doors. The door group comprises four fluid controllable doors, namely a door a, a door b, a door c and a door d, the fluid controllable door comprises a first cavity, a second cavity, a sealing channel, a sealing piece A, a sealing piece B, a first channel, a second channel, a cover plate and a sliding piece. The gate group is composed of four fluid controllable gates adopting the axial sealing technology, the fluid controllable gates have the balancing and adjusting functions, and the gate group can control the flowing direction of fluid media and adjust the flow of the fluid media in unit time.
Owner:张未鸣

Deadbolt assembly for simultaneously securing co-mounted doors together and actuating at least one deadbolt

A deadbolt assembly for securing co-mounted doors together and activating at least one deadbolt may include at least a first retention component and a first actuator interface mounted to or defined by a first coupling assembly of a key-side assembly operatively mounted to one of the co-mounted doors, and at least a second retention component and a second actuator interface mounted to or defined by a second coupling assembly of a lever-side assembly operatively mounted to the other of the co-mounted doors, at least one of the key-side assembly and the lever-side assembly including a deadbolt assembly having a deadbolt configured to be responsive to actuation thereof to extend a deadbolt therefrom, wherein actuation of the deadbolt assembly also causes the first and second retention components to secure the first and second coupling assemblies to one another.
Owner:LARSON MFG CO OF SOUTH DAKOTA LLC

Prefabricated metal closed ring main unit convenient to overhaul

The invention relates to the technical field of ring main units, in particular to a prefabricated metal closed ring main unit convenient to overhaul, which comprises a box body and four box doors, the front surface of the box body is open and is provided with an inner cavity, the box doors are used for closing the box body, the box doors are divided into two groups, the two groups of box doors are arranged along the width direction of the box body, and the four box doors are arranged in the box body. The two box doors in one group are a first box door and a second box door respectively, the second box door is located on the side, away from the adjacent group of box doors, of the first box door, the first box door can be arranged on the second box door in a sliding mode in the width direction of the box body, and when the first box door slides to be completely opened, the second box door is located on the second box door. The locking assembly is used for locking the first box door to the second box door, the second box door can be rotationally arranged on the box body around a rotating axis extending in the vertical direction, and after the second box door is rotationally opened, the limiting assembly is used for preventing the second box door from being reversely closed.
Owner:CHKO ELECTRIC CO LTD

Door stopper (buffer)

ActiveCN309447697SDoorsIndustrial engineering
1. The name of this design product: Door Stopper (Buffer). 2. Purpose of this design product: a device used for opening and closing doors. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: refer to Figure 1 for the combined state.
Owner:ZHAOQING GAOYAO FENGZHIZE BATHROOM HARDWARE CO LTD

Door box equipment

The utility model relates to door box equipment which can realize full-angle automatic door opening and closing and improve user experience. The door box device comprises a box body frame; the door body assembly comprises a door main body, a linear driving mechanism mounted on the door main body and a balancing weight which is arranged on the door main body in a sliding manner and is in driving connection with the linear driving mechanism; the hinge spring assembly comprises a hinge assembly, a pull rope and a spring, the hinge assembly enables the door body assembly to be rotatably installed on the box body frame, the pull rope is connected with the door body assembly, the spring is connected with the box body frame, and the spring is connected to the pull rope and used for applying tension moment opposite to the gravity moment of the door body assembly to the door body assembly; when the balancing weight is driven by the linear driving mechanism to slide relative to the door body, the gravity center position of the door body assembly is adjusted, so that the gravity moment of the door body assembly is larger than, equal to or smaller than the tension moment applied to the door body assembly by the hinge spring assembly.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Door and window side pressure system

ActiveCN309566297SControl systemDoors
1. Name of the product in this design: Door and Window Side Pressure System. 2. Purpose of this design: For use in the control system of side-pressure doors and windows. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.
Owner:SHENZHEN SENLIBA WINDOW CONTROL TECH CO LTD

Embedded intelligent door control system

1. The name of this design product: Embedded intelligent door control system. 2. Purpose of this design product: used to control the opening and closing of doors. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
Owner:ZHEJIANG HONGTAI ELECTRONICS EQUIP

Smart hatch locking and ventilation systems for hatches windows and doors

This application is directed to systems and methods of locking and unlocking a hatch lid or any other type of opening having a hinged covering. In some embodiments, a blade is actuated by a motor or linear actuator. Blades of the inventive subject matter can include one or two racks that interact with one or two pinion gears. In embodiments having rotational motors, a pinion gear can be coupled with that motor and with a rack that can cause the blade to move when the motor turns. In embodiments having linear actuators, the linear actuator more directly causes the blade to move. Other embodiments of the inventive subject matter include a screw mechanism that can interact with a locker receptacle upon rotating a motor coupled thereto.
Owner:STRANGER JAMES +1

Self-learning method and system based on intelligent door and window

The invention is suitable for the technical field of door and window control, and provides a self-learning method and system based on an intelligent door and window, and the method comprises the steps: obtaining the stroke feedback result information and the maximum motor torque information of a door and window motor in response to a first power-on instruction, and then obtaining the maximum motor torque information of the door and window motor according to the maximum motor torque information and the stroke feedback result information; and cyclically generating and executing test operation instruction set information until proper motor torque information is effectively determined. The optimal motor torque can be intelligently and automatically determined, the abrasion condition of mechanical parts in the intelligent door and window is remarkably reduced, the service life of the intelligent door and window is prolonged, meanwhile, noise in the operation process can be reduced, the use experience of a user is improved, the overall reliability is effectively improved by optimizing operation parameters, and the user experience is improved. And more stable and efficient door and window products are provided for users.
Owner:GUANGDONG BUCALU CURTAIN WALL WINDOW & DOOR SYSTEM CO LTD +1

Access control device

The utility model provides an access control device. The access control device comprises a control piece and a door lock, the at least two opening and closing parts and the at least two protective doors are arranged in a one-to-one correspondence manner, and the control part is in signal connection with the at least two opening and closing parts, so that the opening and closing parts control the protective doors to have an opening state and a closing state; when the first protective door is in the open state, the control piece is in signal connection with the opening and closing piece corresponding to the second protective door so as to control the second protective door to be in the closed state, and when the second protective door is in the open state, the control piece is in signal connection with the opening and closing piece corresponding to the first protective door so as to control the first protective door to be in the closed state. Through the technical scheme provided by the invention, the problems that the pressure of the clean area and the pressure of the changing room are gradually reduced, dust enters the clean area and environmental pollution is caused when a worker opens the door of the changing room and the door for entering the clean area at the same time in the related technology can be solved.
Owner:HEILONGJIANG FEIHE DAIRY CO LTD +4

Intelligent window and doors

A method includes determining that a closure device is in an opened position. The method includes determining, via processing of sensor data, that a user is not present and determining whether an object is present. Based on determination that the closure device is in the opened position, and based on determination that the user is not present, and based on determination that the object is not present, the method includes prompting the user to select a command to adjust the closure device from the opened position to the closed position. Based on the user selecting the command, the method includes operating the closure device to adjust the closure device from the opened position to the closed position.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Door and window sensors

1. Name of the product in this design: Door and window sensor. 2. Purpose of this design: To monitor the opening and closing status of doors and windows. 3. The key design feature of this product is its shape. 4. Images or photos that best illustrate the design key points: Combined state reference diagram.
Owner:HANGZHOU SCIENER INTELLIGENT CONTROL TECH CO LTD

Fireproof door capable of being opened and closed at multiple angles

The utility model relates to the technical field of fireproof doors, and discloses a multi-angle opening and closing fireproof door which comprises a door frame and a fireproof door body, an adjusting mechanism is arranged on the door frame, a sealing mechanism is arranged on the fireproof door body, and the adjusting mechanism comprises a first adjusting rod, a second adjusting rod and a connecting shaft. The number of the first adjusting rods, the number of the second adjusting rods and the number of the connecting shafts are all two, grooves are formed in one sides of the front end and the rear end of the door frame, the two first adjusting rods and the two second adjusting rods are rotationally arranged in the grooves through the connecting shafts, and first rotating columns are fixedly arranged in the positions, located in the corresponding grooves, in the door frame. Second rotating columns are fixedly arranged on the two sides of the upper end of the fireproof door body. According to the fireproof door, the opening and closing angle of the fireproof door can be adjusted so that people can evacuate orderly, meanwhile, the fireproof door has a high firm sealing effect, fire spreading can be delayed, the evacuation time of people can be prolonged, and therefore the practicability and the sealing performance of the fireproof door are improved.
Owner:GUANGDONG YONGAN FIRE FIGHTING TECH CO LTD

A pinch detection method and device, electronic equipment and storage medium

The application discloses a kind of anti-pinch detection method, device, electronic equipment and storage medium, comprising: in the process of hall door closing, the door edge interval of two hall doors in horizontal direction is detected by TOF sensor, and the detection door edge interval is obtained, and the horizontal direction is the door body direction when hall door is completely closed;When obtaining detection door edge interval, obtain the included angle between hall door and horizontal direction as closing angle;Actual door edge interval of two hall doors is calculated based on closing angle and the total door body width of hall door;Based on the error between detection door edge interval and actual door edge interval at the same time, judge whether there is the obstacle that will be pinched between hall door;When there is the obstacle that will be pinched, then drive hall door to rebound to open door state.If there is obstacle between two hall doors, detection door edge interval is actually the distance from TOF sensor to obstacle, and obstacle is located between two hall doors, then detection door edge interval must be less than actual door edge interval, so it can be predicted that obstacle will be pinched.
Owner:HITACHI BUILDING TECH GUANGZHOU CO LTD

Door monitoring system

A computer-implemented method of configuring a door monitoring system is disclosed, the method comprising: displaying a floor plan of a building comprising one or more doors each comprising a ligature-detection device; receiving a user input indicative of a selection of one of the one or more doors; and based on the user input, monitoring a status of the selected door.
Owner:KINGSWAY ENTERPRISES (UK) LTD

Door assist mechanism for vertically stacking doors

In example implementations, a vertically stacking panel door system is provided. The vertically stacking panel door system includes a horizontal door guide, a door assist mechanism coupled to the horizontal door guide, and a door including a plurality of panels, wherein the plurality of panels are horizontally stacked in the horizontal door guide and the door assist mechanism assists a movement of the plurality of panels out of the horizontal door guide by an ejecting force that is applied to the plurality of panels.
Owner:CLOPAY AMES INC

Automatic door

ActiveCN310064720SControl systemDoors
1. Name of the product in this design: Automatic Door. 2. Purpose of this design: for use in doors that are automatically opened and closed by means of sensors or control systems. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.
Owner:CHENGDU HONGHULI TECH CO LTD

Double door exterior lock

The utility model relates to the technical field of double-door locks, and in particular to a double-door exterior lock, comprising a left door and a right door, wherein the left door and the right door are respectively provided with a left door handle and a right door handle, wherein a first base and a second base are respectively connected to the opposite positions of the left door handle and the right door handle, wherein a connecting piece is hinged on one of the bases, and a lock is provided on the other base, wherein the lock can lock the end of the connecting piece away from the hinged position. The beneficial effects of the utility model are as follows: the method of the utility model is simple and applicable, and the manager only needs to carry a key to easily open and lock the door. The utility model can be used on newly produced doors, and can also be retrofitted on installed doors.
Owner:贵州电子科技职业学院

Door stop

ActiveCN309934281SDoorsTesting Methods
1. Name of the product in this design: Anti-collision door catch. 2. Purpose of this design: Anti-collision door stop to prevent doors from hitting walls. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
Owner:张介龙

Novel arc-shaped automatic door with linear flat rail type structure

The utility model relates to the technical field of opening and closing of arc-shaped doors, and provides a novel arc-shaped automatic door with a linear flat rail type structure, which comprises a door body arranged on the ground and provided with a passing gap; the two door leaves are arranged on the door body in a sliding mode and located on the two sides of the passing gap correspondingly; the mounting frame is located at the top of the door body and arranged on the door body; the two sliding rails are both arranged on the mounting frame; the two sliding blocks are arranged on the mounting frame in a sliding manner; and the number of the connecting shafts is two, one ends of the two connecting shafts are arranged on the two sliding blocks correspondingly, the other ends of the two connecting shafts are arranged on the two door leaves correspondingly, and the sliding blocks are used for driving the door leaves to slide on the door body after moving. By means of the technical scheme, the problems that in the related technology, a door leaf in linear motion possibly occupies a large space in the opening and closing process, and effective utilization of the space is not facilitated are solved.
Owner:QINGDAO KAIZHIFENG DOOR IND TECH MFG CO LTD

Door (KB-119)

1. Name of the product design: Door (KB‑119). 2. Application of this design product: for doors. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
Owner:FOSHAN YUDUN DOOR IND CO LTD

Side sliding door control method and device, vehicle, electronic equipment and storage medium

The invention discloses a side sliding door control method and device, a vehicle, electronic equipment and a storage medium. A vehicle door control instruction is obtained; identifying the control type of the vehicle door control instruction; and if it is determined that the control type is cooperative control over the left side sliding door and the right side sliding door, the vehicle door control instruction is sent to a left controller corresponding to the left side sliding door and a right controller corresponding to the right side sliding door, so that the left controller and the right controller achieve cooperative control over the left side sliding door and the right side sliding door based on the vehicle door control instruction. Compared with the prior art, the side sliding door control method provided by the invention has the advantages that the interaction between the control logic of the left side sliding door and the control logic of the right side sliding door is realized, and the vehicle door control instruction for cooperatively controlling the left side sliding door and the right side sliding door is respectively sent to the left controller and the right controller; and the left controller and the right controller cooperatively execute the vehicle door control instruction, so that cooperative control of the left side sliding door and the right side sliding door is realized.
Owner:BEIJING CO WHEELS TECH CO LTD

Explosion-proof double-door control device

The utility model discloses an explosion-proof double-door control device, which is characterized in that any side door is provided with a double-leaf opening and closing door and comprises a magnetic lock, an intermediate relay, a proximity switch and a button switch, each door leaf is provided with the proximity switch and the magnetic lock, each proximity switch is connected with a winding of the intermediate relay in series to form a loop, and the button switch is connected with the magnetic lock. The proximity switch is a control switch of the intermediate relay; the button switch is connected in parallel with each intermediate relay contact switch and then is connected in series with the magnetic lock to form a loop. According to the utility model, four doors can be flexibly locked and opened, and the double side doors cannot be opened at the same time.
Owner:SHANDONG HAILI CHEMICAL INDUSTRY CO LTD

Airtight door test device

The utility model belongs to the technical field of air-tight doors, and particularly relates to an air-tight door testing device which comprises a testing door frame tool, an air-tight door body, an inflation rubber strip, a door body hinging piece, a main control testing stand and an air-tight door opening and closing testing system. The air-tight door opening and closing test system comprises a driving device for driving an air-tight door body to be opened and closed in a reciprocating mode, the driving device is provided with a pull pressure sensor used for feeding back pull pressure in the test process, and a door body hinge piece of the air-tight door body is provided with an angle sensor used for feeding back the opening and closing angle of the air-tight door body in the test process. The air-tight door opening and closing simulation test device can carry out an air-tight door opening and closing simulation test so as to detect the durability of parts such as a door body hinging piece and a shaft sleeve and detect the abrasion and deformation conditions of the door body hinging piece and the shaft sleeve in the life cycle, analysis is carried out according to test data, and the test efficiency is improved. And the structural design of the airtight door is optimized, so that the product quality is improved.
Owner:SHANDONG YIAN ASIA PACIFIC BIOTECHNOLOGY CO LTD

Installation and fastening of a door frame in a building

The present invention relates to the assembly and fastening of a door frame. To further simplify the installation of doors in a building, a mounting plate (10) is provided for fastening a door frame in a building. The mounting plate has a plate-shaped base body (12) with at least one primary opening (14) extending in the direction of one plate thickness (PD) for fastening the mounting plate to a structural support. The at least one primary opening is designed as an elongated hole (16) with a clear length (LL) and a clear width (LW) extending transversely thereto. The clear length is designed such that a virtual cylinder (16), inclined at an angle (NW) of 30° to the perpendicular of the plate-shaped base body and whose diameter (ZD) corresponds to the clear width of the elongated hole, extends within the elongated hole.
Owner:JELD WEN DEUT

Sliding door

ActiveCN223794084UWing arrangementsDoors
The utility model discloses a sliding door and relates to the technical field of sliding doors, the sliding door comprises a door frame, a first frame and a second frame, the first frame is provided with a first mounting groove and a second mounting groove which are communicated with each other, and the second frame is provided with a third mounting groove and a fourth mounting groove which are communicated with each other; the corner connector assembly comprises a first corner connector piece and a second corner connector piece, and the first frame and the second frame are spliced through the corner connector assembly; wherein the first direction is intersected with the second direction; the technical scheme provided by the utility model has the technical effects that the first corner brace piece and the second corner brace piece are respectively and correspondingly inserted into the first mounting groove, the third mounting groove, the second mounting groove and the fourth mounting groove, so that the first corner brace piece and the second corner brace piece are respectively positioned in the first frame and the second frame; and the connection strength of the first frame and the second frame is ensured.
Owner:SHENZHEN QIRUI CONSTR ENG CO LTD