CN109972944B - Windproof device suitable for door body in house - Google Patents
Windproof device suitable for door body in house Download PDFInfo
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- CN109972944B CN109972944B CN201910289032.0A CN201910289032A CN109972944B CN 109972944 B CN109972944 B CN 109972944B CN 201910289032 A CN201910289032 A CN 201910289032A CN 109972944 B CN109972944 B CN 109972944B
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- 230000033228 biological regulation Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000001276 controlling effect Effects 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000006698 induction Effects 0.000 claims description 60
- 230000001939 inductive effect Effects 0.000 claims description 21
- 238000001179 sorption measurement Methods 0.000 claims description 18
- 230000005389 magnetism Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a windproof device suitable for a door body in a house, wherein the door body comprises a door frame and a door plate, the first side of the door plate is hinged with the door frame through a hinge part and can rotate along the door frame, the second side of the door plate is provided with a door lock and can freely move along the door frame, the windproof device comprises a detection device, a rotation regulation and control part, a supporting rod and a magnetic attraction device, the detection device is used for detecting the rotating speed of the door plate relative to the door frame, the rotation regulation and control part is arranged on the door frame and is used for regulating and controlling the rotating speed of the door body according to the rotating speed, the door plate is connected through the supporting rod, and the magnetic attraction device is. This application can be adjusted according to door plant slew velocity, prevents the door body at the too fast loss to the door frame that causes of wind speed.
Description
Technical Field
The invention relates to the field of buildings, in particular to a windproof device suitable for an indoor door body.
Background
In the prior art, the door can often be blown to be closed because of meeting strong wind, when having strong wind, the door can be closed with very fast speed, firstly can produce great sound, secondly can receive strong impact between door and the door frame, cause the damage of door and door frame, thirdly, if there is old man or child when the door frame within range, especially when child's hand is put on the door frame, easily press from both sides child's hand, cause very big unsafe problem, also there are many fixed doors among the prior art, place the technical scheme that the door was blown open by wind, if hold door and wall body through magnet, but this kind of scheme can only be simple with the door in a fixed state, must pay attention to the people simultaneously whether hold with the wall body with the door, when easily causing carelessness, still can't control the door body and prevent wind.
How to prevent wind in time with the door body in arbitrary position, reduce the striking of the door body and the unsafe problem that causes to old man or child to need not to change the structure of the door body, this is the difficult problem that urgently needs to be solved in real life.
Disclosure of Invention
In order to solve the technical problems that the door in the prior art can not well keep the position, especially when in a half-open state, the door opened by wind is automatically closed and the door frame is lost. The application provides a safety device against wind suitable for door body in house, the door body includes door frame and door plant, the first side of door plant through articulated portion with the door frame is articulated, and can follow the door frame rotates, and the second side is equipped with the lock, and can follow door frame free activity, safety device against wind includes detection device, rotates regulation and control portion, bracing piece, magnetism and inhales the device, detection device is used for detecting the door plant relatively the rotational speed of door frame, it locates to rotate regulation and control portion on the door frame, be used for according to the rotational speed carries out a body rotational speed regulation and control, through the bracing piece is connected the door plant, magnetism is inhaled the device will the bracing piece connect in on the door plant.
The wind-proof device suitable for the door body in the house comprises a rotation regulation and control part, a detection part and a control part, wherein the rotation regulation and control part comprises a judgment part, a large gear clamping part, a small gear clamping part, a switching part and a locking part; bracing piece one end passes through gear connection gear wheel joint portion, pinion joint portion, and the other end passes through magnetism inhale the device connect in on the door plant, the gear includes gear wheel, pinion, the gear wheel with gear wheel joint portion is coupled, the pinion with pinion joint portion is coupled, gear wheel and pinion be parallel arrangement in vertical direction, the locking portion of dying is used for locking gear wheel joint portion, pinion joint portion.
The wind-proof device suitable for the door body in the house comprises a first structure and a second structure, wherein the first structure is arranged at the top of the door frame, the second structure is arranged at the top of the door plate, and the first structure and the second structure are arranged oppositely and are both in a long strip shape; the first structure comprises a plurality of induction coils which are arranged in a row, a first adsorption structure and a proximity sensor, the induction coils are adsorbed on the door frame by the first adsorption structure, and the induction coils are arranged in parallel with the first adsorption structure; the second structure includes magnet, second adsorption structure, the bearing structure that a plurality of lines were arranged and are opened, adsorption structure adsorbs in the door plant upper end, bearing structure supports magnet upwards protrudes the door plant, bearing structure is L type structure, sets up the widening portion along setting up outside the lower extreme of L type structure, second adsorption structure sets up in the widening portion.
The windproof device suitable for the door body in the house is characterized in that the induction coils are sequentially marked as a first induction coil and a second induction coil from the hinged part, the magnets are sequentially marked as a first magnet and a second magnet from the hinged part, when the door panel is closed, the first induction coil corresponds to the first magnet in position, the Nth induction coil corresponds to the Nth magnet in position, and N is set to be an even number.
The wind-proof device suitable for the door body in the house is characterized in that the judging part judges the rotating speed of the door plate by detecting the induced current of the induction coil, outputs a control signal according to the rotating speed, and respectively starts the large gear clamping part and the small gear clamping part and the locking part in time.
The wind-proof device suitable for the door body in the house, it specifically includes to detect induction coil's induced-current: judging whether the first structure and the second structure are in a contact state through the proximity sensor, if so, closing a scanning induction current detection program, if not, starting to scan the current of a first inductive coil in real time, if so, starting to scan the current of the second inductive coil to an Nth inductive coil in real time, if so, starting to scan the current of the second inductive coil to the Nth inductive coil in real time, and if so, calculating a first difference value of the currents of the first inductive coil and the Nth inductive coil by a judgment part and outputting a first control signal to the switching part, wherein the switching part inputs a pinion clamping part to be coupled with a pinion, and increases friction force to the pinion through the pinion clamping part so as to slow down the rotating speed of the door panel relative to a door frame; when the first difference value is smaller than a first preset difference value, the judging part outputs a second control signal to the switching part, and the switching part inputs the large gear clamping part to be coupled with the large gear; and when the first difference value is smaller than a second preset difference value, calculating a second difference value between the N/2 th induction coil and the N/2+1 th induction coil, if the second difference value is larger than a third preset difference value, coupling the large gear and the small gear with the large gear clamping part and the small gear clamping part, and if the second difference value is close to zero, starting the locking part.
The windproof device suitable for the door body in the house is characterized in that the length of the gear of the large gear is larger than that of the gear of the small gear, and the number of the gears of the large gear is larger than that of the small gear.
The windproof device suitable for the door body in the house, the locking part is used for fixing the small gear clamping part and the large gear clamping part, and when the small gear clamping part and the large gear clamping part are not locked, the small gear clamping part and the large gear clamping part periodically stretch into the gears according to the number of the gears.
The windproof device suitable for the door body in the house is characterized in that the locking part is automatically opened after the locking part is delayed for preset time.
After the locking part is locked, the judging part detects whether induced current exists in the Nth induction coil, and when the Nth induction coil does not have the induced current, the locking part is automatically opened.
The invention has the beneficial effects that: the independent structure is arranged, the existing door body without the windproof function can be directly improved, the windproof function can be achieved only by fixing the windproof device on the door plate and the door frame, the installation is convenient and simple, and the door does not need to be installed again; the main improvement point of the invention is that the strip-shaped coil and the magnet are arranged according to the rotating speed of the door panel relative to the door frame, the rotating speed of the door panel is judged by comparing the currents generated by different coils, the regulating and controlling device is controlled according to the speed, the phenomenon that the door panel is too fast in active speed due to overlarge wind speed can be effectively prevented, and as the other main improvement point of the invention, the rotating and controlling device is provided with a large gear clamping part and a small gear clamping part, the switching and controlling can be performed according to the rotating speed of the door panel, the locking operation can be performed by preventing the door from violently impacting the door frame under the limit condition, the impact of the door on the door frame is effectively prevented, and the safety problem of children in the range. The invention has the further improvement that the door frame locking problem can be automatically removed, for example, after the door frame is locked, whether the door frame locking problem needs to be removed is judged according to a certain induced current in the induction coil, manual operation of personnel is not needed, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural view of a wind-proof device suitable for a door body in a house according to the present invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
In order to solve the technical problems that the door in the prior art can not well keep the position, especially when in a half-open state, the door opened by wind is automatically closed and the door frame is lost.
As shown in fig. 1, a schematic structural diagram of a wind-proof device suitable for a door body in a house is provided for the present application, and includes: the magnetic attraction type door frame comprises a first magnet 1, an Nth magnet 2, a second structure 3, a supporting structure 4, a supporting rod 5, a magnetic attraction device 6, a door plate 7, a door frame 8, a large gear 9, a small gear 10, a small gear clamping portion 11, a rotation regulation and control portion 12, a locking portion 13, a large gear clamping portion 14, a first structure 15, a first induction coil 16 and an Nth induction coil 17.
The door body includes door frame and door plant, the first side of door plant through articulated portion with the door frame is articulated, and can follow the door frame rotates, and the second side is equipped with the lock, and can follow the door frame free activity, safety device includes detection device, rotates regulation and control portion, bracing piece, magnetism and inhales the device, detection device is used for detecting the door plant relatively the rotational speed of door frame, it locates to rotate regulation and control portion on the door frame for according to the rotational speed carries out the regulation and control of door body rotational speed, through the bracing piece is connected the door plant, magnetism is inhaled the device with the bracing piece is connected on the door plant.
The wind-proof device suitable for the door body in the house comprises a rotation regulation and control part, a detection part and a control part, wherein the rotation regulation and control part comprises a judgment part, a large gear clamping part, a small gear clamping part, a switching part and a locking part; bracing piece one end passes through gear connection gear wheel joint portion, pinion joint portion, and the other end passes through magnetism inhale the device connect in on the door plant, the gear includes gear wheel, pinion, the gear wheel with gear wheel joint portion is coupled, the pinion with pinion joint portion is coupled, gear wheel and pinion be parallel arrangement in vertical direction, the locking portion of dying is used for locking gear wheel joint portion, pinion joint portion.
The wind-proof device suitable for the door body in the house comprises a first structure and a second structure, wherein the first structure is arranged at the top of the door frame, the second structure is arranged at the top of the door plate, and the first structure and the second structure are arranged oppositely and are both in a long strip shape; the first structure comprises a plurality of induction coils which are arranged in a row, a first adsorption structure and a proximity sensor, the induction coils are adsorbed on the door frame by the first adsorption structure, and the induction coils are arranged in parallel with the first adsorption structure; the second structure includes magnet, second adsorption structure, the bearing structure that a plurality of lines were arranged and are opened, adsorption structure adsorbs in the door plant upper end, bearing structure supports magnet upwards protrudes the door plant, bearing structure is L type structure, sets up the widening portion along setting up outside the lower extreme of L type structure, second adsorption structure sets up in the widening portion.
The windproof device suitable for the door body in the house is characterized in that the induction coils are sequentially marked as a first induction coil and a second induction coil from the hinged part, the magnets are sequentially marked as a first magnet and a second magnet from the hinged part, when the door panel is closed, the first induction coil corresponds to the first magnet in position, the Nth induction coil corresponds to the Nth magnet in position, and N is set to be an even number.
The wind-proof device suitable for the door body in the house is characterized in that the judging part judges the rotating speed of the door plate by detecting the induced current of the induction coil, outputs a control signal according to the rotating speed, and respectively starts the large gear clamping part and the small gear clamping part and the locking part in time.
The wind-proof device suitable for the door body in the house, it specifically includes to detect induction coil's induced-current: judging whether the first structure and the second structure are in a contact state through the proximity sensor, if so, closing a scanning induction current detection program, if not, starting to scan the current of a first inductive coil in real time, if so, starting to scan the current of the second inductive coil to an Nth inductive coil in real time, if so, starting to scan the current of the second inductive coil to the Nth inductive coil in real time, and if so, calculating a first difference value of the currents of the first inductive coil and the Nth inductive coil by a judgment part and outputting a first control signal to the switching part, wherein the switching part inputs a pinion clamping part to be coupled with a pinion, and increases friction force to the pinion through the pinion clamping part so as to slow down the rotating speed of the door panel relative to a door frame; when the first difference value is smaller than a first preset difference value, the judging part outputs a second control signal to the switching part, and the switching part inputs the large gear clamping part to be coupled with the large gear; and when the first difference value is smaller than a second preset difference value, calculating a second difference value between the N/2 th induction coil and the N/2+1 th induction coil, if the second difference value is larger than a third preset difference value, coupling the large gear and the small gear with the large gear clamping part and the small gear clamping part, and if the second difference value is close to zero, starting the locking part.
Preferably, when N and odd numbers are provided, when the first difference is smaller than a first preset difference, the determining part outputs a second control signal to the switching part, and the switching part puts the bull gear engaging part into coupling with the bull gear; and when the first difference value is smaller than a second preset difference value, calculating a second difference value of the (N-1)/2 and (N-1)/2+1 th induction coils, if the second difference value is larger than a third preset difference value, coupling the large gear and the small gear with the large gear clamping part and the small gear clamping part, and if the second difference value is close to zero, starting the locking part.
Preferably, the determination unit may select a device having a control function, such as a single chip microcomputer or a microprocessor. Because the judging part needs to supply power, a lithium battery can be selected for supplying power, and the clamping part can be driven by introducing transformed commercial power. The induction coil is only used for micro current detection and judgment, and is used for comparing current difference between different coils to judge the rotating speed, if the first induction coil is closest to the hinge part and can firstly sense current when the door rotates, the sensed current is also the largest, the Nth induction coil is far away from the hinge part of the door body, the distance between the Nth induction coil and the Nth magnet is also far, relatively speaking, the generated induction current is smaller, the first distance between the first induction coil and the first magnet is basically close to equal to the second distance between the Nth induction coil and the Nth magnet when the door and the doorframe are close to each other due to small pressure of wind power, the induction current between the first induction coil and the Nth magnet is also very close to each other, so as to judge the distance between the door and the doorframe, and judge the rotating speed of the door and the distance between the door and the doorframe according to the change of the distance and the change speed of the current, to be regulated to prevent the door from rapidly changing in distance from the doorframe.
The windproof device suitable for the door body in the house is characterized in that the length of the gear of the large gear is larger than that of the gear of the small gear, and the number of the gears of the large gear is larger than that of the small gear.
The windproof device suitable for the door body in the house, the locking part is used for fixing the small gear clamping part and the large gear clamping part, and when the small gear clamping part and the large gear clamping part are not locked, the small gear clamping part and the large gear clamping part periodically stretch into the gears according to the number of the gears.
Preferably, the root of the clamping part is provided with a controllable movable part, when the clamping part is not locked, the movable resistance value of the controllable movable part can be adjusted, and the clamping part can move according to the rotation of the gear. When the lock is locked, the controllable movable part is locked and cannot move.
Preferably, the gear directions of the large gear and the small gear have a certain angle with the circle center of the large gear and the small gear, the certain angle is not perpendicular to the circle center of the large gear and the small gear, and the angle direction is the forward direction of the door closing direction of the door body.
The windproof device suitable for the door body in the house is characterized in that the locking part is automatically opened after the locking part is delayed for preset time.
After the locking part is locked, the judging part detects whether induced current exists in the Nth induction coil, and when the Nth induction coil does not have the induced current, the locking part is automatically opened.
The invention has the beneficial effects that: the independent structure is arranged, the existing door body without the windproof function can be directly improved, the windproof function can be achieved only by fixing the windproof device on the door plate and the door frame, the installation is convenient and simple, and the door does not need to be installed again; the main improvement point of the invention is that the strip-shaped coil and the magnet are arranged according to the rotating speed of the door panel relative to the door frame, the rotating speed of the door panel is judged by comparing the currents generated by different coils, the regulating and controlling device is controlled according to the speed, the phenomenon that the door panel is too fast in active speed due to overlarge wind speed can be effectively prevented, and as the other main improvement point of the invention, the rotating and controlling device is provided with a large gear clamping part and a small gear clamping part, the switching and controlling can be performed according to the rotating speed of the door panel, the locking operation can be performed by preventing the door from violently impacting the door frame under the limit condition, the impact of the door on the door frame is effectively prevented, and the safety problem of children in the range. The invention has the further improvement that the door frame locking problem can be automatically removed, for example, after the door frame is locked, whether the door frame locking problem needs to be removed is judged according to a certain induced current in the induction coil, manual operation of personnel is not needed, and the user experience is improved.
Claims (9)
1. A windproof device suitable for a door body in a house comprises a door frame and a door plate, wherein a first side of the door plate is hinged with the door frame through a hinge part and can rotate along the door frame, a door lock is arranged on a second side of the door plate and can freely move along the door frame, and the windproof device is characterized by comprising a detection device, a rotation regulation and control part, a supporting rod and a magnetic attraction device, wherein the detection device is used for detecting the rotating speed of the door plate relative to the door frame, the rotation regulation and control part is arranged on the door frame and is used for regulating and controlling the rotating speed of the door body according to the rotating speed, the door plate is connected through the supporting rod, and the magnetic attraction device is used for connecting the; the rotation regulating and controlling part comprises a judging part, a large gear clamping part, a small gear clamping part, a switching part and a locking part, wherein the judging part is connected with a first structure of the detection device and outputs a control signal to the switching part, and the switching part switches the large gear clamping part and the small gear clamping part; bracing piece one end passes through gear connection gear wheel joint portion, pinion joint portion, and the other end passes through magnetism inhale the device connect in on the door plant, the gear includes gear wheel, pinion, the gear wheel with gear wheel joint portion is coupled, the pinion with pinion joint portion is coupled, gear wheel and pinion be parallel arrangement in vertical direction, the locking portion of dying is used for locking gear wheel joint portion, pinion joint portion.
2. The wind-proof device for the door body in the house according to claim 1, wherein the detecting device comprises a first structure and a second structure, the first structure is arranged on the top of the door frame, the second structure is arranged on the top of the door panel, and the first structure and the second structure are arranged oppositely and are both strip-shaped; the first structure comprises a plurality of induction coils which are arranged in a row, a first adsorption structure and a proximity sensor, the induction coils are adsorbed on the door frame by the first adsorption structure, and the induction coils are arranged in parallel with the first adsorption structure; the second structure includes magnet, second adsorption structure, the bearing structure that a plurality of lines were arranged and are opened, adsorption structure adsorbs in the door plant upper end, bearing structure supports magnet upwards protrudes the door plant, bearing structure is L type structure, sets up the widening portion along setting up outside the lower extreme of L type structure, second adsorption structure sets up in the widening portion.
3. The wind guard for an indoor door according to claim 2, wherein the induction coil is sequentially marked as a first induction coil and a second induction coil- · nth induction coil from the hinge portion, the magnet is sequentially marked as no first magnet and no second magnet- · -nth magnet from the hinge portion, the first induction coil corresponds to the first magnet position, the nth induction coil corresponds to the nth magnet position when the door panel is closed, and N is set to an even number.
4. The wind guard device according to claim 3, wherein the judging portion judges a rotation speed of the door panel by detecting an induced current of the induction coil, outputs a control signal according to the rotation speed, and activates the large gear engaging portion, the small gear engaging portion, and the locking portion in time.
5. The wind guard device for a door body in a house according to claim 4, wherein the sensing of the induced current of the induction coil specifically includes: judging whether the first structure and the second structure are in a contact state through the proximity sensor, if so, closing a scanning induction current detection program, if not, starting to scan the current of a first inductive coil in real time, if so, starting to scan the current of the second inductive coil to an Nth inductive coil in real time, if so, starting to scan the current of the second inductive coil to the Nth inductive coil in real time, and if so, calculating a first difference value of the currents of the first inductive coil and the Nth inductive coil by a judgment part and outputting a first control signal to the switching part, wherein the switching part inputs a pinion clamping part to be coupled with a pinion, and increases friction force to the pinion through the pinion clamping part so as to slow down the rotating speed of the door panel relative to a door frame; when the first difference value is smaller than a first preset difference value, the judging part outputs a second control signal to the switching part, and the switching part inputs the large gear clamping part to be coupled with the large gear; and when the first difference value is smaller than a second preset difference value, solving a second difference value between the N/2 th induction coil and the N/2+1 th induction coil, if the second difference value is larger than a third preset difference value, coupling the large gear and the small gear with the large gear clamping part and the small gear clamping part, and if the second difference value is close to zero, starting the locking part.
6. The wind guard for a door body in a house according to claim 4, wherein a gear length of said large gear is longer than a gear length of said small gear, and a number of gears of said large gear is larger than a number of gears of said small gear.
7. The wind guard device according to claim 4, wherein the locking portion is configured to fix the small gear engaging portion and the large gear engaging portion, and the small gear engaging portion and the large gear engaging portion are configured to periodically extend into the gears according to the number of the gears when the small gear engaging portion and the large gear engaging portion are not locked.
8. The wind guard device for an indoor door body according to claim 5, wherein the deadlocking portion is automatically opened after a predetermined time delay.
9. The door body wind guard according to claim 5, wherein the determination unit detects whether or not an induced current exists in the nth induction coil after the deadlocking portion is deadlocked, and opens the deadlocking portion by itself when the nth induction coil does not have an induced current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910289032.0A CN109972944B (en) | 2019-04-11 | 2019-04-11 | Windproof device suitable for door body in house |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910289032.0A CN109972944B (en) | 2019-04-11 | 2019-04-11 | Windproof device suitable for door body in house |
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| Publication Number | Publication Date |
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| CN109972944A CN109972944A (en) | 2019-07-05 |
| CN109972944B true CN109972944B (en) | 2020-09-15 |
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| CN201910289032.0A Active CN109972944B (en) | 2019-04-11 | 2019-04-11 | Windproof device suitable for door body in house |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794621A (en) * | 2020-07-15 | 2020-10-20 | 刘士云 | Magnetic attraction type door stopper with buffering function |
| CN112482898B (en) * | 2020-11-23 | 2022-02-11 | 杭州仁俊智能科技有限公司 | Energy-saving windproof electromagnetic access control device |
| CN112554683B (en) * | 2020-12-11 | 2022-04-15 | 武晓丹 | Magnetic door stopper device convenient and labor-saving for closing door |
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| US20060242908A1 (en) * | 2006-02-15 | 2006-11-02 | Mckinney David R | Electromagnetic door actuator system and method |
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|---|---|---|---|---|
| KR20050045396A (en) * | 2003-11-11 | 2005-05-17 | 현대자동차주식회사 | Door open/close system for compensating the door open/close power as the state of the car incline |
| CN204492447U (en) * | 2014-01-17 | 2015-07-22 | 福特环球技术公司 | Door closing device and the device for the motion that controls car door |
| CN204175084U (en) * | 2014-10-23 | 2015-02-25 | 浙江海洋学院东海科学技术学院 | A kind of anticollision door |
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| CN109972944A (en) | 2019-07-05 |
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