CN109184340B - Intelligent toilet door based on motion recognition - Google Patents
Intelligent toilet door based on motion recognition Download PDFInfo
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- CN109184340B CN109184340B CN201810938721.5A CN201810938721A CN109184340B CN 109184340 B CN109184340 B CN 109184340B CN 201810938721 A CN201810938721 A CN 201810938721A CN 109184340 B CN109184340 B CN 109184340B
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- door
- controller
- sensor
- door body
- temperature comparator
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- 230000005284 excitation Effects 0.000 claims abstract description 15
- 230000009471 action Effects 0.000 claims abstract description 13
- 230000006698 induction Effects 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005316 response function Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B43/00—Time locks
- E05B43/005—Timer devices controlling electrically operated locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0038—Operating or controlling locks or other fastening devices by electric or magnetic means using permanent magnets
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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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
- E05B2047/0056—Opening, closing of the circuit by sensing the presence of a person, e.g. body heat sensor
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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
- E05Y2900/112—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for restrooms
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention provides an intelligent toilet door based on motion recognition, which comprises a door body, a controller, a door opening inductor, an anti-locking inductor, a microwave sensor and an electromagnetic lock, wherein a first infrared induction belt and a first temperature comparator are arranged in the door opening inductor; a second infrared sensing belt and a second temperature comparator are arranged in the back locking sensor; the microwave sensor can detect the movement of a human body in the toilet; the electromagnetic lock comprises an excitation coil; the first temperature comparator, the second temperature comparator and the microwave sensor are respectively connected with the controller; the controller is connected with the excitation coil, and the controller can control the excitation coil to be electrified with forward current or reverse current, so that door locking or unlocking actions are respectively realized; the controller is also connected with a first infrared sensing belt, and when the door body is reversely locked, the door opening sensor outside the door body is controlled to be powered off temporarily. The invention has strong anti-interference capability, and can accurately identify motion signals and automatically open and close the door.
Description
Technical Field
The invention belongs to the technical field of automatic doors, and particularly relates to an intelligent bathroom door based on motion recognition.
Background
In the family life, the office life and the public life, the door needs to be opened and closed manually when a user goes in and out the toilet, the user needs to touch the handle to close and open the door when the user goes in and out the toilet at each time, bacteria can be remained on the handle, and particularly, the propagation of bacterial diseases can be caused in the toilet in the public place.
In order to solve the problem that the hand does not directly push the door, at present, some automatic doors are available, and the door can be automatically opened only by walking to the door edge and detecting through infrared rays. Although the door can solve the problem brought by the direct contact of hands with the door, people do not need to open the door to enter the toilet when passing through the toilet door or a moving object does not need to open the door when passing through the toilet door, so that the simple infrared detection mode is not intelligent enough, and the condition of mistakenly opening the door can be caused. In addition, the door needs to be locked after a person enters the toilet, and the door locking operation needs to be intelligentized so as not to directly contact the toilet door.
Disclosure of Invention
The invention aims to provide an intelligent bathroom door based on motion recognition, which has strong anti-interference capability, can accurately recognize motion signals and automatically open and lock the door.
The invention provides the following technical scheme:
an intelligent toilet door based on motion recognition comprises a door body, a controller, a door opening sensor, an anti-locking sensor, a microwave sensor and an electromagnetic lock, wherein the door body is installed on a wall body through a hinge, the door opening sensor is installed on the outer side of the door body, a first infrared sensing belt and a first temperature comparator are arranged in the door opening sensor, the first infrared sensing belt is connected with the first temperature comparator, and the door opening sensor can sense the motion and temperature signals of a hand of a person in a non-contact manner; the anti-lock sensor and the microwave sensor are respectively arranged on the inner side of the door body, a second infrared sensing belt and a second temperature comparator are arranged in the anti-lock sensor, the second infrared sensing belt is connected with the second temperature comparator, and the anti-lock sensor can sense the action and temperature signals of a human hand in a non-contact manner; the microwave sensor can detect the movement of a human body in a toilet, the electromagnetic lock is arranged on one side of the door body, which is far away from the hinge, the electromagnetic lock can be directly purchased from the market, and the electromagnetic lock comprises an excitation coil, a permanent magnet and a locking execution assembly; the first temperature comparator, the second temperature comparator and the microwave sensor are respectively connected with the controller; the controller is connected with the excitation coil, the controller can control the excitation coil to be electrified with forward current or reverse current, when the excitation coil is electrified with the forward current, a magnetic field with the same direction as the permanent magnet is generated, and when the excitation coil is electrified with the reverse current, a magnetic field with the opposite direction to the permanent magnet is generated, so that door locking or unlocking actions are respectively realized; the controller is also connected with the first infrared sensing belt, so that the door opening sensor on the outer side of the door body is powered off temporarily. When the toilet door needs to be opened, the hand is placed in front of the door opening sensor, the first infrared sensing belt detects the action and the temperature of the hand, the temperature comparator compares whether the temperature detection value is within the temperature range of a human body, if the temperature detection value is within the temperature range of the human body, a door opening electric signal is sent to the controller, and after the controller receives the door opening electric signal, the magnet exciting coil of the electromagnetic lock is controlled to be electrified with reverse current, so that the locking execution assembly of the electromagnetic lock is released, and the door body can be opened; after a person enters a toilet, the microwave sensor detects a moving human body and sends an electric signal for detecting the human body to the controller; the user places the hand in front of the back locking sensor, the working process of the back locking sensor is similar to that of the door opening sensor, the back locking sensor sends a back locking electric signal to the controller after detecting the action of the hand and the temperature signal, only when the controller receives the electric signals of the microwave sensor and the back locking sensor at the same time, the controller sends a forward current instruction to the magnet exciting coil of the electromagnetic lock, so that the electromagnetic lock locks the door body in a back locking mode, the phenomenon that the hand moves to the front of the back locking sensor by mistake or the user locks the door when the user does not completely enter a toilet is avoided, and the body is prevented from being squeezed and pinched; at this time, the controller controls the door opening sensor outside the door body to be temporarily powered off, that is, the door opening sensor does not perform door opening sensing work temporarily, and thus the door cannot be opened from the outside of the door body.
Preferably, be equipped with the time-recorder in the sensor is locked to the contrary, second infrared induction area connection time-recorder, time-recorder connection director, and the sensor is locked to the contrary realizes long response function of unblanking through the time-recorder. When the inboard of the door body is opened the door as needs, the user places the hand in anti-lock inductor the place ahead once more, after second infrared induction area in the anti-lock inductor detected the hand, the automatic trigger timer begins the timing, after the hand stops in anti-lock inductor the place ahead a plurality of seconds, the timing is over, the timer sends the signal of telecommunication that opens the door opposite with the level of anti-lock signal of telecommunication to the controller, after the controller received this signal of telecommunication, the excitation coil of control electromagnetic lock led to reverse current, this moment the door body can be opened.
Preferably, a door opener is arranged on the inner side of the door body and connected with the door body and the wall body, and the controller is connected with the door opener. After the controller received the signal of telecommunication that opens the door, the controller sent the action instruction to the door opener, and the door body is opened automatically to the driving motor of door opener, does not need hand contact door body, avoids the hand to spread the bacterium.
Preferably, the door opener is arranged at the top of the inner side of the door body and can drive the door body to open towards the inner side of the toilet; the door opening reminding device further comprises a voice reminding loudspeaker, voice contents for reminding a user of opening the door are stored in the voice reminding loudspeaker, and the controller is connected with the voice reminding loudspeaker. After the controller received the signal of telecommunication of opening the door, start voice prompt loudspeaker earlier, remind the user to be about to open the door, notice dodging, delay a plurality of seconds after again to door opener send the action instruction, avoid the user to be hindered by the door body clamp of opening to the inboard.
Preferably, the door opening sensor and the back locking sensor are arranged on one side, close to the electromagnetic lock, of the door body, so that the lifting of the hand and the placement of the hand in a specific area on the door body are limited, and the false induction can be prevented; the microwave sensor is arranged in the center of the lower side of the door body, and is favorable for improving the sensitivity of a detection area.
The invention has the beneficial effects that:
1. the invention can automatically identify whether a door opening electric signal needs to be sent to the controller or not based on the human body motion and the human body temperature, and has strong anti-interference capability.
2. The invention can realize automatic back locking based on human body movement and automatic unlocking after use.
3. The invention can avoid the spread of bacteria without the need of pushing the door directly by hand.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the inside of the door body of the present invention;
FIG. 2 is a schematic diagram of the control principle of the present invention;
labeled as: 1. a door body; 2. a controller; 3. a door opening sensor; 31. a first infrared sensing band; 32. a first temperature comparator; 4. a back-lock sensor; 41. a second infrared sensing band; 42. a second temperature comparator; 43. a timer; 5. a microwave sensor; 6. an electromagnetic lock; 61. a field coil; 7. a door opener; 8. and a voice prompt loudspeaker.
Detailed Description
As shown in fig. 1 and 2, an intelligent bathroom door based on motion recognition comprises a door body 1, a controller 2, a door opening sensor 3, an anti-locking sensor 4, a microwave sensor 5 and an electromagnetic lock 6, wherein the door body 1 is mounted on a wall body through hinges, the door opening sensor 3 is mounted on the outer side of the door body 1, a first infrared sensing strip 31 and a first temperature comparator 32 are arranged in the door opening sensor 3, the first infrared sensing strip 31 is connected with the first temperature comparator 32, and the door opening sensor 3 can sense the motion and temperature signals of a human hand in a non-contact manner; the anti-lock sensor 4 and the microwave sensor 5 are respectively arranged on the inner side of the door body 1, a second infrared sensing belt 41 and a second temperature comparator 42 are arranged in the anti-lock sensor 4, the second infrared sensing belt 41 is connected with the second temperature comparator 42, and the anti-lock sensor 4 can sense the action and temperature signals of the hand of a person in a non-contact manner; the microwave sensor 5 can detect the movement of a human body in a toilet, the electromagnetic lock 6 is arranged on one side, far away from the hinge, of the door body 1, the electromagnetic lock 6 can be purchased from the market, and the electromagnetic lock 6 comprises an excitation coil 61, a permanent magnet and a locking execution assembly; the first temperature comparator 32, the first temperature comparator 42 and the microwave sensor 5 are respectively connected with the controller 2; the controller 2 is connected with the excitation coil 61, the controller 2 can control the excitation coil 61 to be electrified with forward current or reverse current, the excitation coil 61 generates a magnetic field with the same direction as the permanent magnet when being electrified with the forward current, and generates a magnetic field with the opposite direction of the permanent magnet when being electrified with the reverse current, so that door locking or unlocking actions are respectively realized; the controller 2 is also connected to a first infrared sensitive strip 31. When the toilet door needs to be opened, a hand is placed in front of the door opening sensor 3, the temperature comparator 32 compares whether the temperature detection value is within the temperature range (for example, 36-38 ℃) of a human body after the first infrared sensing belt 31 detects the action and the temperature of the hand, if the temperature detection value is within the temperature range of the human body, a door opening electric signal is sent to the controller 2, the phenomenon that the door is opened by mistake due to the fact that a moving object passes through the first infrared sensing belt 31 is avoided, and after the controller 2 receives the door opening electric signal, the excitation coil 61 of the electromagnetic lock 6 is controlled to pass through a reverse current, so that the locking execution assembly of the electromagnetic lock 6 is released, and the door body 1 can be opened; after a person enters a toilet, the microwave sensor 5 detects a moving human body, the user places hands in front of the back locking sensor 4, the working process of the back locking sensor is similar to that of the door opening sensor 3, the back locking sensor 4 sends back locking electric signals to the controller 2 after detecting the movement and temperature signals of the hands, and only after the controller 2 simultaneously receives the electric signals of the microwave sensor 5 and the back locking sensor 4, the controller sends a forward current instruction to the magnet exciting coil 61, so that the electromagnetic lock 6 locks the door body in a back mode, and the phenomenon that the person does not completely enter the toilet and the hands move to the front of the back locking sensor 4 by mistake to cause false locking movement is avoided; at this moment, controller 2 control door body 1 outside open the door inductor 3 and cut off the power supply temporarily, open the door inductor 3 promptly and do not open the door sensing work temporarily, consequently can't open the door from the door body outside, set up the electronic tags in order to remind the personnel outdoors in the preferred door inductor of opening.
The timer 43 is arranged in the counter lock sensor 4, the second infrared sensing belt 41 is connected with the timer 43, the timer 43 is connected with the controller 2, and the counter lock sensor 4 achieves a long sensing unlocking function through the timer 43. When the door needs to be opened by the inner side of the door body 1, the user places the hand in the front of the counter lock sensor 4 again, after the second infrared sensing band 41 in the counter lock sensor 4 detects the hand, the automatic trigger timer 43 starts timing, after the hand stays in the front of the counter lock sensor 4 for a plurality of seconds, the timing is finished, the timer 43 sends the door opening electric signal opposite to the level of the counter lock electric signal to the controller 2, after the controller 2 receives the electric signal, the magnet exciting coil 61 of the electromagnetic lock is controlled to be electrified with reverse current, and the door body 1 can be opened at the moment. The counter lock sensor 4 realizes a long sensing unlocking function through the timer 43, and prevents the phenomenon of mistaken unlocking.
The door opener 7 is arranged on the inner side of the door body 1, the door opener 7 is connected with the door body 1 and a wall body, and the controller 2 is connected with the door opener 7. Door openers are commercially available. After the controller 2 receives the door opening electric signal, the controller 2 sends an action instruction to the door opener 7, the door body 1 is automatically opened, hands do not need to contact the door body, and bacteria are prevented from being spread by the hands.
The door opener 7 is arranged at the top of the inner side of the door body 1, and the door opener 7 can drive the door body 1 to open towards the inner side of the toilet; this real-time example still includes voice prompt loudspeaker 8, and voice prompt loudspeaker 8 is internal to be stored and is had the pronunciation content of reminding the user to open the door, and controller 2 connects voice prompt loudspeaker 8. After controller 2 received the signal of telecommunication of opening the door, start voice prompt loudspeaker 8 earlier, remind the user to be about to open the door, notice dodging, controller 2 postpones after a plurality of seconds and sends the action instruction to door opener 7 again, avoids the user to be hindered by door body 1 clamp that opens to the inboard.
The door opening sensor 3 and the back locking sensor 4 are both arranged on one side, close to the electromagnetic lock, of the door body 1; the microwave sensor 5 is provided at the center of the lower side of the door body 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An intelligent toilet door based on motion recognition is characterized by comprising a door body, a controller, a door opening sensor, an anti-locking sensor, a microwave sensor and an electromagnetic lock;
the door body is arranged on a wall body through a hinge, the door opening inductor is arranged on the outer side of the door body, a first infrared induction belt and a first temperature comparator are arranged in the door opening inductor, and the first infrared induction belt is connected with the first temperature comparator;
the back locking sensor is arranged on the inner side of the door body, a second infrared sensing belt and a second temperature comparator are arranged in the back locking sensor, and the second infrared sensing belt is connected with the second temperature comparator;
the microwave sensor is also arranged on the inner side of the door body and can detect the movement of a human body in a toilet;
the electromagnetic lock is arranged on one side, far away from the hinge, of the door body and comprises an excitation coil, a permanent magnet and a locking execution assembly;
the first temperature comparator, the second temperature comparator and the microwave sensor are respectively connected with the controller; the controller is connected with the magnet exciting coil, and the controller can control the magnet exciting coil to be electrified with forward current or reverse current so as to respectively realize door locking or unlocking actions; the controller is also connected with the first infrared sensing belt, and the controller can control the first infrared sensing belt to be powered off temporarily.
2. An intelligent toilet door based on motion recognition according to claim 1, wherein a timer is arranged in the counter lock sensor, the second infrared sensing band is connected with the timer, the timer is connected with the controller, and the counter lock sensor can realize long sensing unlocking through the timer.
3. The intelligent bathroom door based on motion recognition according to claim 2, wherein a door opener is arranged on the inner side of the door body, the door opener is connected with the door body and the wall body, and the controller is connected with the door opener.
4. The intelligent bathroom door based on motion recognition according to claim 3, wherein the door opener is installed at the top of the inside of the door body, and the door opener can drive the door body to open towards the inside of a bathroom; still include voice prompt loudspeaker, the controller is connected voice prompt loudspeaker.
5. The intelligent bathroom door based on motion recognition according to claim 1, wherein the door opening sensor and the back locking sensor are both disposed on a side of the door body near the electromagnetic lock, and the microwave sensor is disposed at a lower center of the door body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938721.5A CN109184340B (en) | 2018-08-17 | 2018-08-17 | Intelligent toilet door based on motion recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938721.5A CN109184340B (en) | 2018-08-17 | 2018-08-17 | Intelligent toilet door based on motion recognition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109184340A CN109184340A (en) | 2019-01-11 |
| CN109184340B true CN109184340B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810938721.5A Active CN109184340B (en) | 2018-08-17 | 2018-08-17 | Intelligent toilet door based on motion recognition |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112900314B (en) * | 2021-01-20 | 2022-11-22 | 邳州市景鹏创业投资有限公司 | Service visitor fence group applied to amusement park equipment |
| CN113309417A (en) * | 2021-06-12 | 2021-08-27 | 深圳市子友婴童用品有限公司 | Door opening and closing execution system and door |
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|---|---|---|---|---|
| JP2014118757A (en) * | 2012-12-18 | 2014-06-30 | Miwa Lock Co Ltd | Door closing system |
| CN104499871A (en) * | 2014-12-09 | 2015-04-08 | 广西大学 | Intelligent door system and working method thereof |
| CN104948011A (en) * | 2015-06-30 | 2015-09-30 | 青岛文创科技有限公司 | Wireless intelligent toilet |
| CN104948012A (en) * | 2015-06-30 | 2015-09-30 | 青岛文创科技有限公司 | Intelligent toilet based on infrared receiving-transmitting modules |
| KR20150137539A (en) * | 2014-05-30 | 2015-12-09 | 조동수 | Door lock controlling apparatus using mobile terminal and method thereof |
| CN107035283A (en) * | 2017-04-26 | 2017-08-11 | 赵梦真 | Intelligent anti-theft door |
| CN207420299U (en) * | 2017-11-07 | 2018-05-29 | 浙江恒隆建筑科技有限公司 | A kind of entrance guard device of automatic door opening |
-
2018
- 2018-08-17 CN CN201810938721.5A patent/CN109184340B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014118757A (en) * | 2012-12-18 | 2014-06-30 | Miwa Lock Co Ltd | Door closing system |
| KR20150137539A (en) * | 2014-05-30 | 2015-12-09 | 조동수 | Door lock controlling apparatus using mobile terminal and method thereof |
| CN104499871A (en) * | 2014-12-09 | 2015-04-08 | 广西大学 | Intelligent door system and working method thereof |
| CN104948011A (en) * | 2015-06-30 | 2015-09-30 | 青岛文创科技有限公司 | Wireless intelligent toilet |
| CN104948012A (en) * | 2015-06-30 | 2015-09-30 | 青岛文创科技有限公司 | Intelligent toilet based on infrared receiving-transmitting modules |
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| CN109184340A (en) | 2019-01-11 |
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