CN102561872A - Anti-pinch door without injuring children - Google Patents
Anti-pinch door without injuring children Download PDFInfo
- Publication number
- CN102561872A CN102561872A CN2012100210142A CN201210021014A CN102561872A CN 102561872 A CN102561872 A CN 102561872A CN 2012100210142 A CN2012100210142 A CN 2012100210142A CN 201210021014 A CN201210021014 A CN 201210021014A CN 102561872 A CN102561872 A CN 102561872A
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- electromagnet
- magnetic pole
- motor magnet
- controller
- dodge gate
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Abstract
Disclosed is an anti-pinch door without injuring children. A door frame is provided with a controller, a fixed electromagnet and a human body inductive sensor, a movable door is provided with a moving electromagnet and a handle, an approach switch is arranged on the handle, when the movable door is closed due to heavy wind, if a child stands at the position of the door frame, the human body inductive sensor transmits a human body induction signal to the controller, the controller controls the fixed electromagnet and the moving electromagnet to generate electromagnetic repulsive force so that the fixed electromagnet and the moving electromagnet are repulsive mutually, and then the movable door is stopped from being closed fast so as to avoid injuring the child; and when the door is closed, a user can hold the handle by a hand and contacts with the approach switch, the approach switch transmits a door closing signal to the controller, the controller switches off power of the fixed electromagnet and power of the moving electromagnet, the electromagnetic repulsive force between the fixed electromagnet and the moving electromagnet disappears, and then the movable door can be closed via the handle.
Description
Technical field
The present invention relates to a kind of anti-pinch door, particularly a kind of children's anti-pinch door.
Background technology
At present, the interior door of the interior door of architectural use, particularly highrise building; When big wind, the interior door quick closedown often occurs, and the power of closing is very big; Interior door is easy to crush child or old man, and a kind of children's anti-pinch door has become people's security needs.
The content of invention
The purpose of this invention is to provide a kind of children's anti-pinch door, prevent that the quick-make of big wind door from crushing child or old man.
The technical scheme that the present invention adopted is: children's anti-pinch door; Include doorframe, dodge gate and hinge, dodge gate is hinged through hinge and doorframe, and doorframe is equipped with decides electromagnet; Dodge gate is equipped with motor magnet; Moving electromagnetism magnetic pole is positioned at the opposite of deciding the electromagnetism magnetic pole, and motor magnet is positioned at the opposite of deciding electromagnet, the moving electromagnetism magnetic pole of motor magnet with decide electromagnet to decide the right electromagnetism polarity of electromagnetism magnetic pole strength identical; Human body sensor is installed on the doorframe; Human body sensor is provided with the human body induction control line and is connected with controller; Motor magnet and decide electromagnet and be provided with control line and be connected with controller, the handle of dodge gate is provided with near switch, is provided with near control line near switch to be connected with controller.
When big wind dodge gate is closed; If when someone or child are positioned at the position that doorframe crushes by dodge gate easily; Human body sensor on the doorframe is transferred to controller with the human-induced signal, and electromagnet is decided in controller control and motor magnet produces magnetic field, because the moving electromagnetism magnetic pole of motor magnet is identical with the electromagnetism polarity of deciding the electromagnetism magnetic pole of deciding electromagnet; Moving electromagnetism magnetic pole is positioned at the opposite of deciding the electromagnetism magnetic pole; Decide electromagnetism magnetic pole and moving electromagnetism magnetic pole and produce mutually exclusive electromagnetic repulsive force, this electromagnetic repulsive force is closed the generation damping action to big wind door, prevents that the quick closedown of big wind door from crushing child; At closing time; Hold handle and contact near switch, will close gate signal near switch and be transferred to controller, controller cuts off the power supply of deciding electromagnet and motor magnet; The electromagnetic repulsive force of deciding electromagnet and motor magnet disappears, and can close dodge gate through handle.
The invention has the beneficial effects as follows: when big wind door at closing time; If there is child the doorframe position; Be installed on the mutual electromagnetic repulsive force that repels of motor magnet generation of deciding electromagnet and being installed on dodge gate of doorframe; The obstruction dodge gate is closed, and reduces the impact force that big wind door is closed, and prevents to crush child.
Description of drawings
Fig. 1 is children's anti-pinch door sketch map;
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further explained:
Children's anti-pinch door sketch map shown in Figure 1 and the vertical view of Fig. 1 shown in Figure 2, children's anti-pinch door includes doorframe 1, dodge gate 2 and hinge 3; Dodge gate 2 is hinged through hinge 3 and doorframe 1; Doorframe 1 is equipped with decides electromagnet 4, and dodge gate 2 is equipped with motor magnet 5, and moving electromagnetism magnetic pole 6 is positioned at the opposite of deciding electromagnetism magnetic pole 7; Motor magnet 5 is positioned at the opposite of deciding electromagnet 4, the moving electromagnetism magnetic pole 6 of motor magnet 5 with decide electromagnet 4 to decide the electromagnetism polarity that electromagnetism magnetic pole 7 faces identical; Do not install on hinge 3 doorframe 1 on one side human body sensor 8 is installed; Human body sensor 8 is provided with the human body induction control line and is connected with controller 9; Motor magnet 5 and decide electromagnet 4 and be provided with control line and be connected with controller 9; The handle 10 of dodge gate 2 is provided with near switch 11, is provided with near control line near switch 11 to be connected with controller 9.Decide electromagnet 3 and be fixed in the upper left side of doorframe 1, the inside that electromagnet 3 is positioned at motor magnet 4 decide on the fixing upper left side with dodge gate 2 of motor magnet 4, and moving electromagnetism magnetic pole 6 is positioned at the opposite of deciding electromagnetism magnetic pole 7, moves electromagnetism magnetic pole 6 towards doorframe 1.
In order to detect the speed that big wind dodge gate 2 rotates; Dodge gate 2 one sides are hinged with a side of doorframe 1 through hinge 3; The fixed blade 12 of hinge 3 is fixedly connected with doorframe 1, and the moving vane 13 of hinge 3 is fixedly connected with dodge gate 2, is fixed with velocity sensor 14 on the doorframe 1; The probe of velocity sensor 14 is positioned at the position near the moving axis cover 15 of moving vane 13, is used for the speed that detected activity door 2 rotates.The moving axis cover 15 of moving vane 13 is provided with end socket 16, and end socket 16 is provided with a plurality of tooth bars, is used to utilize velocity sensor 11 to detect the speed that end socket 16 rotates, to reach the purpose of detected activity door 2 velocities of rotation.
For the speed of rotating according to big wind dodge gate 2; Control the electromagnetic force that increases motor magnets 5 and decide electromagnet 4 through controller 9; Decide electromagnet 4 and be provided with the plurality of electromagnetic coil, motor magnet 5 is provided with the plurality of electromagnetic coil, is used to control the magnetic field intensity of deciding electromagnet 4 and motor magnet 5.
Produce the purpose that mutually exclusive electromagnetic force hinders big wind dodge gate 2 quick closedowns in order to reach to utilize motor magnet 5 and decide electromagnet 4, motor magnet 5 with decide electromagnet 4 location statuss and be: dodge gate 2 is opened, and motor magnet 5 leaves decides electromagnet 4; Dodge gate 2 is closed, and motor magnet 5 is near deciding electromagnet 4; Moving electromagnetism magnetic pole 6 and the location status of deciding electromagnetism magnetic pole 7 are: dodge gate 2 is opened, the moving electromagnetism magnetic pole 6 of motor magnet 5 leave decide electromagnet 4 decide electromagnetism magnetic pole 7; Dodge gate 2 is closed, and the moving electromagnetism magnetic pole of motor magnet 56 is decided electromagnetism magnetic pole 7 near what decide electromagnet 4.
The operating principle of children's anti-pinch door is: children's anti-pinch door is provided with to be decided electromagnet 4, motor magnet 5, human body sensor 8, controller 9 and near switch 11, decides electromagnet 4 and be fixedly connected with doorframe 1, and motor magnet 5 is fixedly connected with dodge gate 2; When big wind dodge gate 2 is closed; If when someone or child are positioned at the position that doorframe 1 crushes by dodge gate 2 easily; Human body sensor 8 on the doorframe 1 is transferred to controller 9 with the human-induced signal, and electromagnet 4 and motor magnet 5 generation magnetic fields are decided in controller 9 controls, because the moving electromagnetism magnetic pole 6 of motor magnet 5 is identical with the electromagnetism polarity of deciding electromagnetism magnetic pole 7 of deciding electromagnet 4; Moving electromagnetism magnetic pole 6 is positioned at the opposite of deciding electromagnetism magnetic pole 7; Decide electromagnetism magnetic pole 7 and produce mutually exclusive electromagnetic repulsive force with moving electromagnetism magnetic pole 6, this electromagnetic repulsive force is closed the generation damping action to big wind door, prevents that the quick closedown of big wind door from crushing child.
For the speed of rotating according to big wind dodge gate is controlled the size of deciding electromagnet 4 and motor magnet electromagnetic force; The operating principle of children's anti-pinch door is: be fixed with velocity sensor 14 on the doorframe 1, the probe of velocity sensor 14 is positioned at the position near the moving axis cover 15 of moving vane 13; Decide electromagnet 4 and be provided with the plurality of electromagnetic coil, motor magnet 5 is provided with the plurality of electromagnetic coil; When big wind dodge gate 2 is closed; If when someone or child are positioned at the position that doorframe 1 crushes by dodge gate 2 easily; The rate signal that velocity sensor 14 cuts out dodge gate 2 is transferred to controller 9; When controller 9 detected rate signal less than the velocity amplitude set, one group of electromagnetic coil of the given electromagnet 4 of controller 9 control power supplies made and decides the magnetic field that electromagnet 4 produces one group of electromagnetic coil; Simultaneously, one group of electromagnetic coil of motor magnet 5, the magnetic field that makes motor magnet 5 produce one group of electromagnetic coil are given in controller 9 power supplies; Decide electromagnetism magnetic pole 7 and produce mutually exclusive electromagnetic repulsive force with moving electromagnetism magnetic pole 6, this electromagnetic repulsive force is closed the generation damping action to big wind door; When controller 9 detected rate signal greater than the velocity amplitude set, the plurality of electromagnetic coil of the given electromagnet 4 of controller 9 control power supplies made and decides the magnetic field that electromagnet 4 produces the plurality of electromagnetic coils; Simultaneously, the plurality of electromagnetic coil of motor magnet 5, the magnetic field that makes motor magnet 5 produce the plurality of electromagnetic coil are given in controller 9 power supplies; Decide electromagnetism magnetic pole 7 and produce mutually exclusive electromagnetic repulsive force with moving electromagnetism magnetic pole 6, this electromagnetic repulsive force is closed the generation damping action to big wind door, prevents that the quick closedown of big wind door from crushing child.
In order can conveniently to close the door; The operating principle of children's anti-pinch door is: at closing time; Hold handle 10 and contact near switch 11, will close gate signal near switch 11 and be transferred to controller 9, controller 9 cuts off the power supply of deciding electromagnet 4 and motor magnet 5; The electromagnetic repulsive force of deciding electromagnet 4 and motor magnet 5 disappears, and 10 can close dodge gate 2 through shaking hands.
Claims (10)
1. children's anti-pinch door; Include doorframe (1), dodge gate (2) and hinge (3), dodge gate (2) is hinged through hinge (3) and doorframe (1), and it is characterized in that: described doorframe (1) is equipped with decides electromagnet (4); Dodge gate (2) is equipped with motor magnet (5); Moving electromagnetism magnetic pole (6) is positioned at the opposite of deciding electromagnetism magnetic pole (7), and motor magnet (5) is positioned at the opposite of deciding electromagnet (4), the moving electromagnetism magnetic pole (6) of motor magnet (5) with decide electromagnet (4) to decide the electromagnetism polarity that electromagnetism magnetic pole (7) faces identical; Do not install on hinge (3) doorframe (1) on one side human body sensor (8) is installed; Human body sensor (8) is provided with the human body induction control line and is connected with controller (9); Motor magnet (5) and decide electromagnet (4) and be provided with control line and be connected with controller (9); The handle (10) of dodge gate (2) is provided with near switch (11), is provided with near control line near switch (11) to be connected with controller (9).
2. children's anti-pinch door according to claim 1; It is characterized in that: described dodge gate (2) one sides are hinged with a side of doorframe (1) through hinge (3); The fixed blade (12) of hinge (3) is fixedly connected with doorframe (1), and the moving vane (13) of hinge (3) is fixedly connected with dodge gate (2), is fixed with velocity sensor (14) on the doorframe (1); The probe of velocity sensor (14) is positioned at the position near the moving axis cover (15) of moving vane (13), is used for the speed that detected activity door (2) rotates.
3. children's anti-pinch door according to claim 2; It is characterized in that: the moving axis cover (15) of described moving vane (13) is provided with end socket (16); End socket (16) is provided with a plurality of tooth bars; Be used to utilize velocity sensor (11) to detect the speed that end socket (16) rotates, to reach the purpose of detected activity door (2) velocity of rotation.
4. children's anti-pinch door according to claim 1 is characterized in that: describedly decide electromagnet (4) and be provided with the plurality of electromagnetic coil, motor magnet (5) is provided with the plurality of electromagnetic coil, is used to control the magnetic field intensity of deciding electromagnet (4) and motor magnet (5).
5. children's anti-pinch door according to claim 1; It is characterized in that: describedly decide the upper left side that electromagnet (3) is fixed in doorframe (1); Motor magnet (4) is fixed the upper left side with dodge gate (2); Decide electromagnet (3) and be positioned at the inside of motor magnet (4), moving electromagnetism magnetic pole (6) is positioned at the opposite of deciding electromagnetism magnetic pole (7), and moving electromagnetism magnetic pole (6) is towards doorframe (1).
6. children's anti-pinch door according to claim 1 is characterized in that: described motor magnet (5) with decide electromagnet (4) location status and be: dodge gate (2) is opened, and motor magnet (5) leaves decides electromagnet (4); Dodge gate (2) is closed, and motor magnet (5) is near deciding electromagnet (4).
7. children's anti-pinch door according to claim 6; It is characterized in that: described moving electromagnetism magnetic pole (6) and the location status of deciding electromagnetism magnetic pole (7) are: dodge gate (2) is opened, the moving electromagnetism magnetic pole (6) of motor magnet (5) leave decide electromagnet (4) decide electromagnetism magnetic pole (7); Dodge gate (2) is closed, and the moving electromagnetism magnetic pole (6) of motor magnet (5) is decided electromagnetism magnetic pole (7) near what decide electromagnet (4).
8. children's anti-pinch door according to claim 1; It is characterized in that: the operating principle of described children's anti-pinch door is: children's anti-pinch door is provided with decides electromagnet (4), motor magnet (5), human body sensor (8), controller (9) and near switch (11); Decide electromagnet (4) and be fixedly connected with doorframe (1), motor magnet (5) is fixedly connected with dodge gate (2); As big wind dodge gate (2) when closing; If when someone or child are positioned at the position that doorframe (1) crushes by dodge gate (2) easily; Human body sensor (8) on the doorframe (1) is transferred to controller (9) with the human-induced signal; Electromagnet (4) is decided in controller (9) control and motor magnet (5) produces magnetic field; Because the moving electromagnetism magnetic pole (6) of motor magnet (5) is identical with the electromagnetism polarity of deciding electromagnetism magnetic pole (7) of deciding electromagnet (4), moving electromagnetism magnetic pole (6) is positioned at the opposite of deciding electromagnetism magnetic pole (7), decides electromagnetism magnetic pole (7) and produces mutually exclusive electromagnetic repulsive force with moving electromagnetism magnetic pole (6); This electromagnetic repulsive force is closed the generation damping action to big wind door, prevents that the quick closedown of big wind door from crushing child.
9. children's anti-pinch door according to claim 1; It is characterized in that: the operating principle of described children's anti-pinch door is: be fixed with velocity sensor (14) on the doorframe (1), the probe of velocity sensor (14) is positioned at the position near the moving axis cover (15) of moving vane (13); Decide electromagnet (4) and be provided with the plurality of electromagnetic coil, motor magnet (5) is provided with the plurality of electromagnetic coil; As big wind dodge gate (2) when closing; If when someone or child are positioned at the position that doorframe (1) crushes by dodge gate (2) easily; The rate signal that velocity sensor (14) cuts out dodge gate (2) is transferred to controller (9); When controller (9) detected rate signal less than the velocity amplitude set, one group of electromagnetic coil of controller (9) the control given electromagnet of power supply (4) made and decides the magnetic field that electromagnet (4) produces one group of electromagnetic coil; Simultaneously, one group of electromagnetic coil of motor magnet (5) is given in controller (9) power supply, makes motor magnet (5) produce the magnetic field of one group of electromagnetic coil; Decide electromagnetism magnetic pole (7) and produce mutually exclusive electromagnetic repulsive force with moving electromagnetism magnetic pole (6), this electromagnetic repulsive force is closed the generation damping action to big wind door; When controller (9) detected rate signal greater than the velocity amplitude set, the plurality of electromagnetic coil of controller (9) the control given electromagnet of power supply (4) made and decides the magnetic field that electromagnet (4) produces the plurality of electromagnetic coil; Simultaneously, the plurality of electromagnetic coil of motor magnet (5) is given in controller (9) power supply, makes motor magnet (5) produce the magnetic field of plurality of electromagnetic coil; Decide electromagnetism magnetic pole (7) and produce mutually exclusive electromagnetic repulsive force with moving electromagnetism magnetic pole (6), this electromagnetic repulsive force is closed the generation damping action to big wind door, prevents that the quick closedown of big wind door from crushing child.
10. children's anti-pinch door according to claim 1; It is characterized in that: the operating principle of described children's anti-pinch door is: at closing time; Hold handle (10) and contact near switch (11), will close gate signal near switch (11) and be transferred to controller (9), controller (9) cuts off the power supply of deciding electromagnet (4) and motor magnet (5); The magnetic field of deciding electromagnet (4) and motor magnet (5) disappears, and can close dodge gate (2) through handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210021014.2A CN102561872B (en) | 2012-01-12 | 2012-01-12 | Anti-pinch door without injuring children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210021014.2A CN102561872B (en) | 2012-01-12 | 2012-01-12 | Anti-pinch door without injuring children |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102561872A true CN102561872A (en) | 2012-07-11 |
| CN102561872B CN102561872B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210021014.2A Expired - Fee Related CN102561872B (en) | 2012-01-12 | 2012-01-12 | Anti-pinch door without injuring children |
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| CN (1) | CN102561872B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953622A (en) * | 2012-12-07 | 2013-03-06 | 刘思源 | Novel door |
| CN104328968A (en) * | 2014-10-29 | 2015-02-04 | 重庆钱珑门业有限责任公司 | Indoor door capable of preventing hand clamping |
| CN104675234A (en) * | 2015-02-11 | 2015-06-03 | 郑运婷 | Door capable of automatically preventing clamping |
| CN105496091A (en) * | 2015-11-20 | 2016-04-20 | 佛山市耀拓贸易有限公司 | Anti-clamping apparatus of baby walker |
| CN106522707A (en) * | 2016-12-05 | 2017-03-22 | 乐视控股（北京）有限公司 | Door system protecting children against pinch and method for protecting children from being pinched in door |
| CN106917556A (en) * | 2017-04-03 | 2017-07-04 | 东莞市皓奇企业管理服务有限公司 | The application method of the automatic Household door of intelligence |
| CN107083643A (en) * | 2017-04-28 | 2017-08-22 | 无锡小天鹅股份有限公司 | Cover assembly, washing machine, control method, the computer equipment of door closure body switch |
| CN106884591B (en) * | 2017-04-03 | 2018-02-16 | 东莞市皓奇企业管理服务有限公司 | The application method of smart home door |
| WO2018184454A1 (en) * | 2017-04-03 | 2018-10-11 | 郑运婷 | Method of using intelligent home door warning device |
| CN109138687A (en) * | 2018-10-10 | 2019-01-04 | 泉州台商投资区雷墨设计有限公司 | A kind of smart home Anti-pinch door without injuring using superconducting magnet diamagnetism principle |
| CN111255341A (en) * | 2020-02-28 | 2020-06-09 | 姚宏应 | Public toilet door for narrow space |
| CN112049537A (en) * | 2020-10-13 | 2020-12-08 | 上海创米科技有限公司 | Anti-collision system of anti-collision door, anti-collision door and anti-collision method |
| CN112065198A (en) * | 2020-10-13 | 2020-12-11 | 上海创米科技有限公司 | Anti-collision system of anti-collision door, anti-collision door and anti-collision method |
| CN112482918A (en) * | 2020-12-02 | 2021-03-12 | 戴浩 | Effectively prevent wind door protector that closes of area door striking door frame in advance |
| CN112610076A (en) * | 2020-12-11 | 2021-04-06 | 张忐忑 | Anti-pinch glass door |
| CN113077601A (en) * | 2021-03-29 | 2021-07-06 | 湖南汽车工程职业学院 | WeChat-controlled intelligent home security system and computer-readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953622A (en) * | 2012-12-07 | 2013-03-06 | 刘思源 | Novel door |
| CN104328968A (en) * | 2014-10-29 | 2015-02-04 | 重庆钱珑门业有限责任公司 | Indoor door capable of preventing hand clamping |
| CN104675234A (en) * | 2015-02-11 | 2015-06-03 | 郑运婷 | Door capable of automatically preventing clamping |
| CN105496091A (en) * | 2015-11-20 | 2016-04-20 | 佛山市耀拓贸易有限公司 | Anti-clamping apparatus of baby walker |
| CN106522707A (en) * | 2016-12-05 | 2017-03-22 | 乐视控股（北京）有限公司 | Door system protecting children against pinch and method for protecting children from being pinched in door |
| WO2018184452A1 (en) * | 2017-04-03 | 2018-10-11 | 郑运婷 | Method of using intelligent home automatic door |
| CN106884591B (en) * | 2017-04-03 | 2018-02-16 | 东莞市皓奇企业管理服务有限公司 | The application method of smart home door |
| WO2018184450A1 (en) * | 2017-04-03 | 2018-10-11 | 郑运婷 | Method of using intelligent home door |
| WO2018184454A1 (en) * | 2017-04-03 | 2018-10-11 | 郑运婷 | Method of using intelligent home door warning device |
| CN106917556A (en) * | 2017-04-03 | 2017-07-04 | 东莞市皓奇企业管理服务有限公司 | The application method of the automatic Household door of intelligence |
| CN107083643A (en) * | 2017-04-28 | 2017-08-22 | 无锡小天鹅股份有限公司 | Cover assembly, washing machine, control method, the computer equipment of door closure body switch |
| CN109138687A (en) * | 2018-10-10 | 2019-01-04 | 泉州台商投资区雷墨设计有限公司 | A kind of smart home Anti-pinch door without injuring using superconducting magnet diamagnetism principle |
| CN111255341A (en) * | 2020-02-28 | 2020-06-09 | 姚宏应 | Public toilet door for narrow space |
| CN111255341B (en) * | 2020-02-28 | 2021-09-10 | 抚州天成门业有限公司 | Public toilet door for narrow space |
| CN112049537A (en) * | 2020-10-13 | 2020-12-08 | 上海创米科技有限公司 | Anti-collision system of anti-collision door, anti-collision door and anti-collision method |
| CN112065198A (en) * | 2020-10-13 | 2020-12-11 | 上海创米科技有限公司 | Anti-collision system of anti-collision door, anti-collision door and anti-collision method |
| CN112049537B (en) * | 2020-10-13 | 2024-01-23 | 上海创米数联智能科技发展股份有限公司 | Anti-collision system of anti-collision door, anti-collision door and anti-collision method |
| CN112482918A (en) * | 2020-12-02 | 2021-03-12 | 戴浩 | Effectively prevent wind door protector that closes of area door striking door frame in advance |
| CN112610076A (en) * | 2020-12-11 | 2021-04-06 | 张忐忑 | Anti-pinch glass door |
| CN113077601A (en) * | 2021-03-29 | 2021-07-06 | 湖南汽车工程职业学院 | WeChat-controlled intelligent home security system and computer-readable storage medium |
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| CN102561872B (en) | 2014-07-30 |
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Effective date of registration: 20170927 Address after: 301700 Tianjin city Wuqing District Huangzhuang Street on the south side of Jingshan railway Linda garden 24-1, 2 and 3-3101 Patentee after: Wang Chunrui Address before: 529080, No. 1, Lane 7, garden village, off street, Jianghai District, Guangdong, Jiangmen Province, No. 605 Patentee before: Lin Zhiyong |
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