CN111583483B - Intelligent access control system of unattended substation - Google Patents

Intelligent access control system of unattended substation Download PDF

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Publication number
CN111583483B
CN111583483B CN202010440790.0A CN202010440790A CN111583483B CN 111583483 B CN111583483 B CN 111583483B CN 202010440790 A CN202010440790 A CN 202010440790A CN 111583483 B CN111583483 B CN 111583483B
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China
Prior art keywords
door
door body
gear
piece
shaft
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CN202010440790.0A
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Chinese (zh)
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CN111583483A (en
Inventor
袁贵军
张安福
朱藏
王彦文
梅晓海
赵强
李慧
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/30Individual registration on entry or exit not involving the use of a pass
    • G07C9/32Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/33Individual registration on entry or exit not involving the use of a pass in combination with an identity check by means of a password
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00Braking devices, e.g. checks; Stops; Buffers
    • E05F5/06Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/10Movable barriers with registering means
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/30Individual registration on entry or exit not involving the use of a pass
    • G07C9/32Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/30Individual registration on entry or exit not involving the use of a pass
    • G07C9/38Individual registration on entry or exit not involving the use of a pass with central registration

Abstract

The invention discloses an intelligent access control system of an unattended substation, which comprises: the door body mechanism comprises a door body and a door frame, the door body is pivotally connected to the side edge of one side in the door frame through a door shaft assembly, a door bolt driven by a driving motor is arranged on the other side of the door body opposite to the door shaft assembly, and a bolt hole locked with the door bolt is arranged on the other side of the door bolt corresponding to the door frame; the door shaft assembly comprises a door shaft which is rotatably connected to a door frame, and a linkage piece and a buffer mechanism which are arranged on the door shaft in a penetrating mode, the linkage piece is structured to enable the door shaft and the door body to integrally rotate when the door body rotates around the door shaft, and the buffer mechanism is structured to buffer the rotation momentum of the door shaft; still include the gate control device, the gate control device include the casing with set up in control panel in the casing, be provided with on the control panel the treater and with treater electric connection's keyboard, storage module and control module.

Description

Intelligent access control system of unattended substation
Technical Field
The invention relates to an access control system, in particular to an intelligent access control system of an unattended substation.
Background
With the great development of the power industry, the unattended transformer substation and the machine room are largely constructed, and the unattended transformer substation is large in quantity due to wide distribution area. Generally speaking, compared with the unattended transformer substation, the unattended transformer substation has high requirements on safety monitoring and real-time performance, meanwhile, in order to meet the management requirements of a power grid company on the unattended transformer substation, aiming at the characteristics of wide distribution range and high safety requirement of the unattended transformer substation, an entrance guard safety management center needs to be built in a centralized control center of the power grid company, and the existing wide area network is utilized to carry out unified informatization management on the control and safety of the distributed entrance and exit of each transformer substation; each transformer substation of the next level is constructed as an individually controlled basic unit, so that remote control of the local control and centralized control center on the substation can be realized; thousands of unattended substations and a security centralized control center form a complete information management control system. The management information of each local (regional) power supply bureau is uploaded to a power grid company according to the requirement, and remote monitoring and operation management can be conveniently carried out. Therefore, the current unattended substation access control networking scheme part is actually mature. However, the door body of the current door access system, i.e., the structural part of the door itself, is not very reliable. This mainly reflects in, after unmanned substation maintainer opened the entrance guard through entrance guard card, face identification or password and acquireed the access permission again, the present scheme was opened through the driving motor drive door body, but the process that the door body was opened is nonlinear, or if meet extreme strong wind weather when the unblock, the door body probably is blown open suddenly, and this probably leads to the door body to hinder the people or long-term collision leads to the door body to damage. Therefore, the access control system in the prior art needs to be improved.
Disclosure of Invention
In view of the above problems in the prior art, an object of the present invention is to provide an intelligent access control system for an unattended substation, in which a door body can be opened more smoothly.
In order to achieve the above object, an aspect of the present invention provides an intelligent access control system for an unattended substation, including:
the door body mechanism comprises a door body and a door frame, the door body is pivotally connected to the side edge of one side in the door frame through a door shaft assembly, a door bolt driven by a driving motor is arranged on the other side of the door body opposite to the door shaft assembly, and a bolt hole locked with the door bolt is arranged on the other side of the door bolt corresponding to the door frame; the door shaft assembly comprises a door shaft which is rotatably connected to a door frame, and a linkage piece and a buffer mechanism which are arranged on the door shaft in a penetrating mode, the linkage piece is structured to enable the door shaft and the door body to integrally rotate when the door body rotates around the door shaft, and the buffer mechanism is structured to buffer the rotation momentum of the door shaft;
the door control device comprises a shell and a control panel arranged in the shell, wherein a processor, a keyboard, a storage module and a control module are arranged on the control panel, the keyboard, the storage module and the control module are electrically connected with the processor, the keyboard is configured to accept user input, a preset password is stored in the storage module, the processor is configured to compare the preset password with the user input, when the user input is matched with the preset password, a control instruction is generated, and the control instruction is controlled by the control module to drive the driving motor.
Preferably, the damping mechanism comprises a first wedge, a second wedge, a third wedge and a first gear, the first wedge, the second wedge, the third wedge and the first gear are arranged on the door shaft in a penetrating manner, a push rod parallel to the door shaft is further arranged on the first wedge and the second wedge in a penetrating manner, the second gear is arranged on the push rod in a penetrating manner, the first gear is positioned between the first wedge and the second wedge and is meshed with the second gear, the third wedge is provided with a first connecting hole for the door shaft to penetrate through and a second connecting hole corresponding to the push rod, and an elastic element is arranged in the second connecting hole; when the door body is opened, the linkage piece drives the door shaft to rotate, the first gear is linked to drive the second gear and drive the ejector rod to move towards one side of the third wedge-shaped piece, the ejector rod abuts against the elastic piece when the door body is partially opened, and the elastic piece is pressed to accumulate elastic potential energy so as to provide restoring force when the door body is released.
Preferably, the elastic member is a torsion spring.
Preferably, the linkage piece comprises a third gear and a shifting piece, the third gear is arranged on the door shaft in a penetrating mode, one end of the shifting piece is connected with the door body, and the other end of the shifting piece is meshed with the third gear.
Preferably, the door control device further comprises a camera electrically connected with the control panel, the storage module stores preset facial image information of workers, the processor further comprises a face comparison module, the camera is configured to collect facial image information of the workers, the face comparison module is configured to compare the facial image information of the workers collected by the camera with the preset facial image information, and the control instruction is generated according to a comparison result.
Preferably, the housing includes a front case, a middle frame, and a rear case, and the control board is disposed on the middle frame.
Preferably, the keyboard is connected to the control panel through a keyboard support plate.
Compared with the prior art, the intelligent access control system of the unattended substation provided by the invention does not need to rely on a network, verifies the identity of maintenance workers of the unattended substation through the locally stored preset password or preset face information, and opens the door body after the verification is passed. In addition, in the application, the driving motor only serves as power for driving the door bolt to be opened or locked, so that the structure is simple and stable. When the keeper was opened, the staff when promoting the door body, because buffer gear's existence, the door body can not be too violent opened, even under the condition that strong wind exists, also can not be because of the door body is blown open suddenly and lead to the accident to touch the staff or lead to the door body to damage. Therefore, compared with the current common implementation mode, the intelligent access control system for the unattended substation does not need networking, is simple to implement, enables the door body to be opened and closed smoothly, and is suitable for being used in the field environment of the substation.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
Fig. 1 is a block diagram of an intelligent access control system of an unattended substation according to the present invention.
Fig. 2 is a schematic structural diagram of a door body mechanism of the intelligent access control system of the unattended substation.
Fig. 3 is a schematic structural view of a door spindle mechanism of the intelligent access control system of the unattended substation.
Fig. 4 is a schematic structural diagram of a door control device of the intelligent access control system of the unattended substation.
The main reference numbers:
10 … door body mechanism; 20 … door control device; 11 … door body; 12 … a door frame; 13 … door spindle assembly; 14 … driving the motor; 111 … bolt; 121 … keyhole; 131 … door shaft; 132 … linkage; 133 … a first wedge; 134 … ejector pins; 135 … first gear; 136 … second gear; 137 … second wedge; 138 … third wedge; 1321 … third gear; 1322 … plectrum; 1381 … first connection hole; 1382 … second connection hole; 139 … torsion spring; 21 … control panel; 22 … front shell; 23 … middle frame; 24 … rear shell; 25 … a keyboard; 26 … keyboard deck; 27 … camera; 211 … processor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.
It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.
As shown in fig. 1 to 4, an intelligent access control system of an unattended substation according to an embodiment of the present invention includes:
the door mechanism 10 comprises a door body 11 and a door frame 12, the door body 11 is pivotally connected to one side edge of the inside of the door frame 12 through a door shaft assembly 13, a door bolt 111 driven by a driving motor 14 is arranged on the other side of the door body 11 opposite to the door shaft assembly 13, and a bolt hole 121 locked with the door bolt 111 is arranged on the other side of the door bolt 111 corresponding to the door frame 12; the door shaft assembly 13 includes a door shaft 131 rotatably connected to the door frame 12, a linkage 132 penetrating through the door shaft 131, and a buffering mechanism (not labeled in the figures), the linkage is configured to make the door shaft 131 integrally rotate with the door body 11 when the door body 11 rotates around the door shaft 131, and the buffering mechanism is configured to buffer a rotational momentum of the door shaft 131;
the door control device 20 includes a housing (not labeled in the figure) and a control board 21 disposed in the housing, the control board 21 is provided with a processor 211, and a keyboard 25, a storage module 212 and a control module 213 electrically connected to the processor 211, the keyboard 25 is connected to the control board 21 through a keyboard support plate 26 and configured to accept user input, the storage module 212 stores a preset password, the processor 211 at least includes a password verification module 2112, the password verification module 2112 is configured to compare with the preset password according to the user input, when the user input matches with the preset password, a control instruction is generated, and the control instruction controls the driving motor 14 through a motor control module 2131 of the control module 213. The driving motor 14 may be a linear motor that realizes the operation of extending the door latch 111 out of the door 11 and the operation of retracting the door latch into the door 11 by a general screw-nut mechanism. In the present invention, this part of the mechanism is not specifically illustrated. Further, when the driving motor 14 performs a door opening operation, the bolt 111 may be pulled to retract from the bolt hole 121 through a screw nut mechanism exemplarily, and at this time, the door 11 may be opened through an external force, that is, after the worker inputs a password and passes local authentication, the worker may push the door 11 to open the door 11 after the bolt 111 retracts to open the door, and when the door 11 is partially opened, the buffer mechanism may be triggered to buffer the motion of the door 11.
More specifically, in some embodiments, as shown in fig. 2 and 3, preferably, the buffering mechanism includes a first wedge 133, a second wedge 137, a third wedge 138 and a first gear 135, which are inserted into the door shaft 131, a push rod 134, which is parallel to the door shaft 131, is inserted into the first wedge 133 and the second wedge 137, a second gear 136 is inserted into the push rod 134, the first gear 135 is located between the first wedge 133 and the second wedge 137 and is engaged with the second gear 136, the third wedge 138 is provided with a first connection hole 1381, through which the door shaft 131 is inserted, and a second connection hole 1382 corresponding to the push rod 134, and an elastic member is disposed in the second connection hole 1382; when the door body 11 is opened, the door shaft 131 is driven to rotate by the linkage member 132, the first gear 135 drives the second gear 136 in a linkage manner and drives the push rod 134 to move towards one side of the third wedge member 138, actually, the push rod 134 is a screw rod, the second gear 136 is actually configured as a nut arranged on the screw rod, when the linkage member 132 drives the first gear 135 to rotate, the second gear 136 is driven to rotate and enables the push rod 134 to move upwards or downwards relatively, in this embodiment, when the door body is opened, the push rod 134 moves upwards and abuts against the elastic member when the door body 11 is partially opened, and the elastic member is pressed to accumulate elastic potential energy so as to provide restoring force when the door body is released. And when the elastic piece is deformed, the opening and closing action of the door body 11 is buffered, that is, when the door is opened suddenly, the opening and closing of the door body 11 become gentle due to the transmission characteristics of the gear and the existence of the elastic piece. Specifically, in some embodiments, the elastic member may be made of rubber, and may be configured as a torsion spring.
Furthermore, in other embodiments, specifically as shown in fig. 2, the link 132 includes a third gear 1321 penetrating through the door shaft 131 and a pick 1322, where one end of the pick 1322 is connected to the door body 11, and the other end is meshed with the third gear 1321. When the door 11 is opened, the driving plate 1322 drives the third gear 1321, and the door shaft 131 is driven to rotate to drive the first gear 135 to rotate.
Compared with the traditional access control system, the door control device part of the invention has the advantages that the network authentication mode is cancelled, and only the off-line identity verification mode is adopted, so that the operation is more stable and the deployment cost is lower compared with the huge system management. Specifically, the door control device 20 further includes a camera 27 electrically connected to the control board 21, the storage module 212 stores preset facial image information of a worker, the processor 211 further includes a face comparison module 2111, the camera 27 is configured to collect facial image information of the worker, the face comparison module 2111 is configured to compare the facial image information of the worker collected by the camera 27 with the preset facial image information, and generate the control command according to a comparison result. In other words, in the present application, the identity authentication can be performed by means of password authentication and face recognition, one or both of them are selected and used at the same time, and the basic implementation of this part is already the conventional technology, and is not further described in the present invention.
As for the case, in the present invention, the case preferably includes a front case 22, a middle frame 23, and a rear case 24, and the control board 21 is disposed on the middle frame 23.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (5)

1. Unmanned on duty transformer substation intelligent access control system includes:
the door body mechanism comprises a door body and a door frame, the door body is pivotally connected to the side edge of one side in the door frame through a door shaft assembly, a door bolt driven by a driving motor is arranged on the other side of the door body opposite to the door shaft assembly, and a bolt hole locked with the door bolt is arranged on the other side of the door bolt corresponding to the door frame; the door shaft assembly comprises a door shaft which is rotatably connected to a door frame, and a linkage piece and a buffer mechanism which are arranged on the door shaft in a penetrating mode, the linkage piece is structured to enable the door shaft and the door body to integrally rotate when the door body rotates around the door shaft, and the buffer mechanism is structured to buffer the rotation momentum of the door shaft; the buffering mechanism comprises a first wedge piece, a second wedge piece, a third wedge piece and a first gear, wherein the first wedge piece, the second wedge piece, the third wedge piece and the first gear are arranged on the door shaft in a penetrating mode; when the door body is opened, the linkage piece drives the door shaft to rotate, the first gear is linked to drive the second gear and drive the ejector rod to move towards one side of the third wedge-shaped piece, the ejector rod is abutted against the elastic piece when the door body is partially opened, and the elastic piece is pressed to accumulate elastic potential energy so as to provide restoring force when the door body is released; the linkage piece comprises a third gear and a shifting piece, the third gear is arranged on the door shaft in a penetrating mode, one end of the shifting piece is connected with the door body, and the other end of the shifting piece is meshed with the third gear;
the door control device comprises a shell and a control panel arranged in the shell, a processor, a keyboard, a storage module and a control module are arranged on the control panel, the keyboard is electrically connected with the processor, the keyboard is configured to accept user input, the storage module stores preset passwords, and the processor is configured to process the preset passwords according to the configuration
The control module is used for controlling the driving motor, and when the driving motor executes door opening operation, the lead screw nut mechanism is used for driving the door bolt to retreat from the bolt hole, so that the door body can be opened through external force; when the door body is partially opened, the buffer mechanism is triggered to buffer the action of the door body;
wherein the carrier rod is a threaded rod, and the second gear is configured as a nut disposed on the threaded rod.
2. The system of claim 1, wherein the resilient member is a torsion spring.
3. The system of claim 1, the door control device further comprising a camera electrically connected to the control board, the storage module storing preset facial image information of a worker, the processor further comprising a face comparison module, the camera configured to collect facial image information of the worker, the face comparison module configured to compare the facial image information of the worker collected by the camera with the preset facial image information and generate the control command according to the comparison result.
4. The system of claim 1, the housing comprising a front shell, a middle frame, and a rear shell, the control panel disposed on the middle frame.
5. The system of claim 1, wherein the keyboard is coupled to the control panel via a keyboard deck.
CN202010440790.0A 2020-05-22 2020-05-22 Intelligent access control system of unattended substation Active CN111583483B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001323720A (en) * 2000-03-10 2001-11-22 Ryobi Ltd Door closer
JP2002160752A (en) * 2000-11-22 2002-06-04 Sony Corp Opening mechanism for lid body
CN1495333A (en) * 2002-07-03 2004-05-12 Equipment for buffering impact
JP2006219847A (en) * 2005-02-09 2006-08-24 Showa Spring Kk Door body closing device
CN101967849A (en) * 2010-09-29 2011-02-09 饶建明 Combined toilet
CN103620146A (en) * 2011-04-14 2014-03-05 苏斯帕有限公司 Door arrangement
JP2015021326A (en) * 2013-07-22 2015-02-02 余合ホーム&モビリティ株式会社 Closing auxiliary device
KR101985136B1 (en) * 2018-03-13 2019-06-03 주식회사 우신에스에스디 Damper for sliding windows and doors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201714208U (en) * 2010-03-29 2011-01-19 王健 Hinge with buffer structure
CN103186933A (en) * 2012-01-03 2013-07-03 台湾福兴工业股份有限公司 Operation method of electronic lock
CN202672931U (en) * 2012-04-17 2013-01-16 绍兴斯科制锁工业有限公司 Positioning hinge
KR101643768B1 (en) * 2014-10-21 2016-07-29 에버시스 주식회사 Apparatus for rotating door
CN204283048U (en) * 2014-10-30 2015-04-22 黄申富 The automatic homing door-hinge of tool adjustable buffering
CN205654209U (en) * 2016-04-27 2016-10-19 广州艾美网络科技有限公司 Damping hinge structure
CN205876121U (en) * 2016-06-17 2017-01-11 江阴格罗克建筑智能科技有限公司 Intelligent unit emergency exit
CN206429098U (en) * 2017-01-19 2017-08-22 刘睿勐 A kind of Damping hinge

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001323720A (en) * 2000-03-10 2001-11-22 Ryobi Ltd Door closer
JP2002160752A (en) * 2000-11-22 2002-06-04 Sony Corp Opening mechanism for lid body
CN1495333A (en) * 2002-07-03 2004-05-12 Equipment for buffering impact
JP2006219847A (en) * 2005-02-09 2006-08-24 Showa Spring Kk Door body closing device
CN101967849A (en) * 2010-09-29 2011-02-09 饶建明 Combined toilet
CN103620146A (en) * 2011-04-14 2014-03-05 苏斯帕有限公司 Door arrangement
JP2015021326A (en) * 2013-07-22 2015-02-02 余合ホーム&モビリティ株式会社 Closing auxiliary device
KR101985136B1 (en) * 2018-03-13 2019-06-03 주식회사 우신에스에스디 Damper for sliding windows and doors

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