CN106219344A - A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique - Google Patents
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique Download PDFInfo
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- CN106219344A CN106219344A CN201610733600.8A CN201610733600A CN106219344A CN 106219344 A CN106219344 A CN 106219344A CN 201610733600 A CN201610733600 A CN 201610733600A CN 106219344 A CN106219344 A CN 106219344A
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- foreign body
- rod
- door
- crack
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique, including RFID reader and sticker, described RFID reader is used for sending RFID wireless signal；Described sticker for being pasted on inside the crack between a door and its frame of elevator door, the RFID wireless signal that receives described RFID reader and send, according to the foreign body clip situation in RFID wireless signal detection crack between a door and its frame, generate foreign body clip information according to foreign body clip situation, generate according to the foreign body clip event read in foreign body clip information and drive signal, according to driving signal to carry out power drive to remove the foreign body in crack between a door and its frame.User wears the bracelet of built-in REID reader, send RFID wireless signal and received and generate foreign body clip information by sticker, the foreign body clip time in foreign body clip information of reading generates and drives signal, carry out power drive and regulate the first automatic telescopic link and the second automatic telescopic link to the foreign body removing in crack between a door and its frame, the safety of guarantee user.
Description
Technical field
The present invention relates to elevator safety technical field, remove particularly to a kind of elevator intelligent foreign body based on radio-frequency technique
System.
Background technology
When there being foreign body in elevator door crack between a door and its frame, (the foreign body for example, object such as bottle cap, rubbish, often has people to throw away on elevator doorway
Rubbish, when user moves towards elevator door, can imprudence foreign body is kicked in crack between a door and its frame), the safety of elevator can be caused the biggest hidden
Suffering from, such as, foreign matter is in crack between a door and its frame so that elevator door cannot cut out and put in place, has harm when elevator rises, and harm shows
Elevator tenesmus, shake, thus bring hidden danger to the life security of user.In prior art, by being provided with on elevator door
Safety contact, when elevator layer is not turned off putting in place, its contact access failure, now elevator will not startup optimization.But, actual life
In, not all elevator door is both provided with safety contact, is much not provided with, for such elevator door, potential safety hazard
Bigger.When having foreign body in finding ladder layer every seam, can not in time foreign body be removed.
Summary of the invention
Goal of the invention: the invention aims to solve the deficiencies in the prior art, it is provided that one can be according to detecting
In elevator crack between a door and its frame, foreign body makes sticker carry out the elevator intelligent foreign body based on radio-frequency technique that power drive foreign body to remove
Scavenging system.
Technical scheme: in order to realize object above, a kind of based on radio-frequency technique the elevator intelligent foreign body that the present invention provides
Scavenging system, including RFID reader and sticker, described RFID reader is used for sending RFID wireless signal；Described stickup
Device for being pasted on inside the crack between a door and its frame of elevator door, the RFID wireless signal that receives described RFID reader and send, basis
RFID wireless signal detects the foreign body clip situation in crack between a door and its frame, generates foreign body clip information according to foreign body clip situation, according to reading
Foreign body clip event in taking foreign body clip information generates and drives signal, according to driving signal to carry out power drive to remove crack between a door and its frame
Interior foreign body.
As a kind of optimal way of the present invention, described sticker include shell, the stickers being located at case surface,
One automatic telescopic link, the second automatic telescopic link, be located at the RFID transponder of enclosure, battery and described RFID transponder even
Digital processing unit that the infrared ray sensing group connect is connected with infrared ray sensing group, respectively with digital processing unit, the first automatic telescopic
The driver that bar, the second automatic telescopic link connect, described battery is defeated to described infrared ray sensing group, digital processing unit, driver
Electricity, described RFID transponder gives described red for receiving RFID wireless signal that described RFID reader sends outputting it
Outside line sensing group, described infrared ray sensing group is for according to the foreign body clip situation in RFID wireless signal detection crack between a door and its frame, described
Digital processing unit generates foreign body clip information the foreign body clip in reading out foreign body clip information according to foreign body clip situation
Generating during event and drive signal and be transmitted to described driver, described driver is according to driving signal control described first certainly
Dynamic expansion link, the second automatic telescopic link stretch out the foreign body in crack between a door and its frame is carried out power removing.
As a kind of optimal way of the present invention, described infrared ray sensing group is by several infrared ray sensors group side by side
Becoming, in the case of the storage of described digital processing unit is noiseless, several infrared ray sensors send the ultrared reflective distance that is hampered,
Several infrared ray sensors send infrared ray respectively in crack between a door and its frame and real-time reflective distance are transferred to described digital processing unit,
Described digital processing unit by real-time reflective distance with noiseless in the case of the reflective distance of several infrared ray sensors compare
Right, when comparison goes out any one distance not grade, it is determined that for there being foreign body clip in crack between a door and its frame, i.e. foreign body clip event, generate with different
The foreign body clip information that thing clip event is corresponding, generates during foreign body clip event in reading out foreign body clip information and drives letter
Number and be transmitted to described driver.
As a kind of optimal way of the present invention, the size of infrared ray sensor is 4.7 × 4.7 × 2.4mm, detection angle
It it is 50 °.
As a kind of optimal way of the present invention, the effective propagation path of described RFID wireless signal is 1 meter.
As a kind of optimal way of the present invention, described RFID reader is arranged on bracelet.
As a kind of optimal way of the present invention, described first automatic telescopic link, the second automatic telescopic link are respectively by three sections
The body of rod forms, and described first automatic telescopic link is made up of the first paragraph body of rod, the second segment body of rod and the 3rd section of body of rod respectively, described
Second automatic telescopic link is made up of the 4th section of body of rod, the 5th section of body of rod and the 6th section of body of rod respectively, described first automatic telescopic
When bar stretches out, the specially first paragraph body of rod stretches out the most to the left, stretches out after running into foreign body, and the second segment body of rod is from first paragraph
Stretching out of the body of rod is stretched out at tail end vertically down, and after stretching out end, the 3rd section of body of rod stretches out tail from the second segment body of rod
At end, a left side is stretched out in the horizontal direction, and after stretching out end, the 3rd section of body of rod is along the first chute of setting on the second segment body of rod upwards
It is mobile so that the foreign body in crack between a door and its frame is upwards released；When described second automatic telescopic link is stretched out, specially the 4th section body of rod is along level
Direction is stretched out to the right, stretches out after running into foreign body, and the 5th section of body of rod stretches out at tail end vertically down from the 4th section of body of rod
Stretching out, after stretching out end, the 6th section of body of rod stretches out from the right side in the horizontal direction of stretching out at tail end of the 5th section of body of rod, stretches out end
After, the 6th section of body of rod moves up upwards to release the foreign body in crack between a door and its frame along the second chute of setting on the 5th section of body of rod.
The present invention realizes following beneficial effect: the present invention is coordinated by RFID reader and sticker, sticker
Can be pasted onto inside the daily layer every seam taking elevator at any time by user, detachably, it is not necessary to elevator is improved.Pass through
RFID reader and sticker, described RFID reader is used for sending RFID wireless signal；Described sticker is used for pasting
Inside the crack between a door and its frame of elevator door, receive RFID wireless signal that described RFID reader sends, according to RFID wireless signal
Detect the foreign body clip situation in crack between a door and its frame, generate foreign body clip information according to foreign body clip situation, according to reading foreign body clip letter
Foreign body clip event in breath generates and drives signal, according to driving signal to carry out power drive to remove the foreign body in crack between a door and its frame.As
This, elevator door normally opens and closes, and in the case of having detected foreign body, can automatically remove the foreign body in crack between a door and its frame, and elevator door cannot close
Closing, after foreign body is removed, elevator door the most normally opens and closes and prevents user from accident occurring.
Accompanying drawing explanation
The elevator door gap structure schematic diagram that Fig. 1 provides for the present invention；
The elevator door crack between a door and its frame sticker structural representation that Fig. 2 provides for the present invention；
The Bracelet structure schematic diagram that Fig. 3 provides for the present invention；
The elevator intelligent foreign body scavenging system frame relations figure that Fig. 4 provides for the present invention.
Wherein: 1. RFID reader, 2. sticker, 3. elevator door, 4. crack between a door and its frame, 5. shell, 6. stickers,
7. the first automatic telescopic link, 8. the second automatic telescopic link, 9.RFID transponder, 10. battery, 11. infrared ray sensing groups,
12. digital processing units, 13. drivers, 14. infrared ray sensor 15. bracelets, the 16. first paragraph bodies of rod, the 17. second segment bodies of rod,
18. the 3rd sections of bodies of rod, 19. the 4th sections of bodies of rod, 20. the 5th sections of bodies of rod, 21. the 6th sections of bodies of rod, 22. first chutes, 23. second is sliding
Groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with the present invention.
As shown in Fig. 1 Fig. 2 Fig. 3 and Fig. 4, the elevator door gap structure schematic diagram that Fig. 1 provides for the present invention；Fig. 2 is
The elevator door crack between a door and its frame sticker structural representation that the present invention provides；The Bracelet structure schematic diagram that Fig. 3 provides for the present invention；Figure
The 4 elevator intelligent foreign body scavenging system frame relations figures provided for the present invention.The present embodiment provides a kind of based on radio-frequency technique
Elevator intelligent foreign body scavenging system, including RFID reader 1 and sticker 2, described RFID reader 1 be used for sending RFID without
Line signal；Described sticker 2 is for being pasted on inside the crack between a door and its frame 4 of elevator door 3, receiving what described RFID reader 1 sent
RFID wireless signal, according to RFID wireless signal detection crack between a door and its frame 4 in foreign body clip situation, according to foreign body clip situation generate
Foreign body clip information, generate according to the foreign body clip event read in foreign body clip information and drive signal, according to driving signal to enter
Action edge drives to remove the foreign body in crack between a door and its frame 4.
Wherein, described infrared ray sensing group 11 is made up of side by side several infrared ray sensors 14, described digital processing unit
In the case of 12 storages are noiseless, several infrared ray sensors 14 send the ultrared reflective distance that is hampered, and several infrared ray pass
Sensor 14 sends infrared ray respectively in crack between a door and its frame 4 and real-time reflective distance is transferred to described digital processing unit 12, described numeral
Processor 12 by real-time reflective distance with noiseless in the case of the reflective distance of several infrared ray sensors 14 compare, when
When comparison goes out any one distance not grade, it is determined that for there being foreign body clip in crack between a door and its frame 4, i.e. foreign body clip event, generate and foreign matter
The foreign body clip information that folder event is corresponding, generates during foreign body clip event in reading out foreign body clip information and drives signal also
It is transmitted to described driver 13.
In actual application, house refuse imprudence, when entering elevator, is thrown away the crack between a door and its frame 4 of elevator door 3 by such as user
Inner side, now RFID reader 1 is used for sending RFID wireless signal；Described sticker 2 is for being pasted on the door of elevator door 3
Inside seam 4, receive RFID wireless signal that described RFID reader 1 sends, RFID transponder 9 is read for receiving described RFID
Reading the RFID wireless signal that sends of device 1 and output it and give described infrared ray sensing group 11, described digital processing unit 12 stores nothing
Under disturbed condition, several infrared ray sensors 14 send the ultrared reflective distance that is hampered, several infrared ray sensors 14 points
In crack between a door and its frame 4, do not send infrared ray and real-time reflective distance is transferred to described digital processing unit 12, described digital processing unit 12
By real-time reflective distance with noiseless in the case of the reflective distance of several infrared ray sensors 14 compare, when comparison is taken the post as
When meaning one distance does not waits, it is determined that for there being foreign body clip in crack between a door and its frame 4, i.e. foreign body clip event, generate and foreign body clip event pair
The foreign body clip information answered, generates during foreign body clip event in reading out foreign body clip information and drives signal and transmitted
To described driver 13.
Wherein, described sticker 2 include shell 5, stickers the 6, first automatic telescopic link 7 being located at shell 5 surface,
Two automatic telescopic link 8, are located at the RFID transponder 9 within shell 5, infrared ray that battery 10 is connected with described RFID transponder 9
Digital processing unit 12 that sensing group 11 is connected with infrared ray sensing group 11, respectively with digital processing unit the 12, first automatic telescopic link
7, second automatic telescopic link 8 connect driver 13, described battery 10 to described infrared ray sensing group 11, digital processing unit 12,
Driver 13 is transmitted electricity, RFID wireless signal that described RFID transponder 9 sends for receiving described RFID reader 1 by it
Described infrared ray sensing group 11 is given in output, and described infrared ray sensing group 11 is for according in RFID wireless signal detection crack between a door and its frame 4
Foreign body clip situation, described digital processing unit 12 generates foreign body clip information according to foreign body clip situation and is reading out foreign matter
Generate during foreign body clip event in folder information and drive signal and be transmitted to described driver 13, described driver 13 basis
Drive signal to control described first automatic telescopic link the 7, second automatic telescopic link 8 to stretch out the foreign body in crack between a door and its frame 4 is carried out power
Remove.
In actual application, the RFID that the most described RFID transponder 9 sends for receiving described RFID reader 1 is wireless
Signal also outputs it and gives described infrared ray sensing group 11, and described infrared ray sensing group 11 is for examining according to RFID wireless signal
Survey the foreign body clip situation in crack between a door and its frame 4, described digital processing unit 12 according to foreign body clip situation generate foreign body clip information and
Generate when reading out the foreign body clip event in foreign body clip information and drive signal and be transmitted to described driver 13, described
Driver 13 controls described first automatic telescopic link the 7, second automatic telescopic link 8 according to driving signal and stretches out with in crack between a door and its frame 4
Foreign body carries out power removing.
Wherein, the size of infrared ray sensor 14 is 4.7 × 4.7 × 2.4mm, and detection angle is 50 °.
Wherein, the effective propagation path of described RFID wireless signal is 1 meter.
Wherein, described RFID reader 1 is arranged on bracelet 15.
In actual application, such as user takes elevator and wears bracelet 15, can make sticker 2 and RFID wireless signal
Effective propagation path is less than 1 meter.
Wherein, described first automatic telescopic link the 7, second automatic telescopic link 8 is made up of three sections of bodies of rod respectively, and described first certainly
Dynamic expansion link 7 is made up of the first paragraph body of rod 16, the second segment body of rod 17 and the 3rd section of body of rod 18 respectively, described second automatic telescopic
Bar 8 is made up of the 4th section of body of rod 19, the 5th section of body of rod 20 and the 6th section of body of rod 21 respectively, and described first automatic telescopic link 7 is stretched
When going out, the specially first paragraph body of rod 16 stretches out the most to the left, stretches out after running into foreign body, and the second segment body of rod 17 is from first paragraph
Stretching out of the body of rod 16 is stretched out at tail end vertically down, and after stretching out end, the 3rd section of body of rod 18 is from the second segment body of rod 17
Stretching out at tail end a left side in the horizontal direction to stretch out, after stretching out end, the 3rd section of body of rod 18 is along the arranged on the second segment body of rod 17
One chute 22 moves up upwards to release the foreign body in crack between a door and its frame 4；When described second automatic telescopic link 8 is stretched out, specially
Three sections of bodies of rod 18 stretch out the most to the right, stretch out after running into foreign body, the 5th section of body of rod 20 stretching out from the 4th section of body of rod 19
Stretching out vertically down at tail end, after stretching out end, the 6th section of body of rod 21 stretches out edge at tail end from the 5th section of body of rod 20
The horizontal direction right side is stretched out, and after stretching out end, the 6th section of body of rod 21 is along the second chute 23 of setting on the 5th section of body of rod 20 upwards
It is mobile so that the foreign body in crack between a door and its frame 4 is upwards released.
In actual application, such as having a screw inside the crack between a door and its frame 4 of elevator door 3, user wears built-in when entering elevator
The bracelet 15 of RFID reader 1, the effective propagation path of described RFID wireless signal is 1 meter.RFID transponder 9 is used for receiving
RFID wireless signal that described RFID reader 1 sends also outputs it and gives described infrared ray sensing group 11, and described infrared ray passes
Sense group 11 for according to the screw clip situation in RFID wireless signal detection crack between a door and its frame 4, if described infrared ray sensing group 11 by
A dry infrared ray sensor 14 forms side by side, and the size of infrared ray sensor 14 is 4.7 × 4.7 × 2.4mm, and detection angle is
50°.When described first automatic telescopic link 7 is stretched out, the specially first paragraph body of rod 16 stretches out the most to the left, stretches out and runs into spiral shell
After silk nail, the second segment body of rod 17 stretches out at tail end vertically down from stretching out of the first paragraph body of rod 16, after stretching out end, the
Three sections of bodies of rod 18 stretch out from a left side in the horizontal direction of stretching out at tail end for the second segment body of rod 17, after stretching out end, and the 3rd section of body of rod 18
The first chute 22 arranged on the second segment body of rod 17 moves up upwards to release the screw in crack between a door and its frame 4；Described
When two automatic telescopic link 8 are stretched out, specially the 3rd section body of rod 18 stretches out the most to the right, stretches out after running into screw, the
Five sections of bodies of rod 20 stretch out at tail end vertically down from stretching out of the 4th section of body of rod 19, after stretching out end, and the 6th section of body of rod
21 stretch out from the right side in the horizontal direction of stretching out at tail end of the 5th section of body of rod 20, and after stretching out end, the 6th section of body of rod 21 is along the 5th
The second chute 23 arranged on the section body of rod 20 moves up upwards to release the screw in crack between a door and its frame 4.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its objective is to allow and is familiar with the skill of this technical field
Art personnel will appreciate that present disclosure and implement according to this, can not limit the scope of the invention with this.All bases
Equivalents done by spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (7)
1. an elevator intelligent foreign body scavenging system based on radio-frequency technique, it is characterised in that: include that RFID reader (1) is with viscous
Label apparatus (2), described RFID reader (1) is used for sending RFID wireless signal；Described sticker (2) is used for being pasted on elevator
Crack between a door and its frame (4) inner side of layer door (3), receive RFID wireless signal that described RFID reader (1) sends, according to RFID wireless communication
Foreign body clip situation in number detection crack between a door and its frame (4), generate foreign body clip information according to foreign body clip situation, according to reading foreign matter
Foreign body clip event in folder information generates and drives signal, according to driving signal to carry out power drive to remove in crack between a door and its frame (4)
Foreign body.
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique the most according to claim 1, it is characterised in that: institute
State sticker (2) include shell (5), be located at the stickers (6) on shell (5) surface, the first automatic telescopic link (7), second from
Dynamic expansion link (8), is located at the internal RFID transponder (9) of shell (5), battery (10) is connected with described RFID transponder (9)
Digital processing unit (12) that infrared ray sensing group (11) is connected with infrared ray sensing group (11), respectively with digital processing unit (12),
The driver (13) that first automatic telescopic link (7), the second automatic telescopic link (8) connect, described battery (10) is to described infrared ray
Sensing group (11), digital processing unit (12), driver (13) are transmitted electricity, and described RFID transponder (9) is used for receiving described RFID and reads
Read device (1) the RFID wireless signal that sends and output it and give described infrared ray sensing group (11), described infrared ray sensing group
(11) for according to the foreign body clip situation in RFID wireless signal detection crack between a door and its frame (4), described digital processing unit (12) is according to different
Thing clip situation generates when generating foreign body clip information the foreign body clip event in reading out foreign body clip information and drives letter
Number and be transmitted to described driver (13), described driver (13) according to drive signal control described first automatic telescopic link
(7), the second automatic telescopic link (8) stretches out the foreign body in crack between a door and its frame (4) is carried out power removing.
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique the most according to claim 2, it is characterised in that: institute
Stating infrared ray sensing group (11) to be made up of side by side several infrared ray sensors (14), described digital processing unit (12) storage is without dry
In the case of disturbing, several infrared ray sensors (14) send the ultrared reflective distance that is hampered, several infrared ray sensors (14)
In crack between a door and its frame (4), send infrared ray respectively and real-time reflective distance is transferred to described digital processing unit (12), at described numeral
Reason device (12) by real-time reflective distance with noiseless in the case of the reflective distance of several infrared ray sensors (14) compare,
When comparison goes out any one distance not grade, it is determined that for there being foreign body clip in crack between a door and its frame (4), i.e. foreign body clip event, generate with different
The foreign body clip information that thing clip event is corresponding, generates during foreign body clip event in reading out foreign body clip information and drives letter
Number and be transmitted to described driver (13).
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique the most according to claim 3, it is characterised in that: red
The size of outer line sensor (14) is 4.7 × 4.7 × 2.4mm, and detection angle is 50 °.
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique the most according to claim 1, it is characterised in that:
The effective propagation path of described RFID wireless signal is 1 meter.
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique the most according to claim 1, it is characterised in that: institute
State RFID reader (1) to be arranged on bracelet (15).
A kind of elevator intelligent foreign body scavenging system based on radio-frequency technique the most according to claim 2, it is characterised in that: institute
State the first automatic telescopic link (7), the second automatic telescopic link (8) is made up of three sections of bodies of rod respectively, described first automatic telescopic link (7)
It is made up of the first paragraph body of rod (16), the second segment body of rod (17) and the 3rd section of body of rod (18) respectively, described second automatic telescopic link
(8) it is made up of the 4th section of body of rod (19), the 5th section of body of rod (20) and the 6th section of body of rod (21) respectively, described first automatic telescopic
When bar (7) stretches out, the specially first paragraph body of rod (16) stretches out the most to the left, stretches out after running into foreign body, the second segment body of rod
(17) stretch out vertically down at tail end from stretching out of the first paragraph body of rod (16), after stretching out end, the 3rd section of body of rod (18)
Stretching out from a left side in the horizontal direction of stretching out at tail end for the second segment body of rod (17), after stretching out end, the 3rd section of body of rod (18) is along
Upper the first chute (22) arranged of the two-stage nitration body of rod (17) moves up upwards to release the foreign body in crack between a door and its frame (4)；Described second
When automatic telescopic link (8) is stretched out, specially the 4th section body of rod (19) is stretched out the most to the right, stretches out after running into foreign body, the
Five sections of bodies of rod (20) are stretched out at tail end vertically down from stretching out of the 4th section of body of rod (19), after stretching out end, and the 6th section
The body of rod (21) stretches out from the right side in the horizontal direction of stretching out at tail end of the 5th section of body of rod (20), after stretching out end, and the 6th section of body of rod
(21) move up to be pushed up the foreign body in crack between a door and its frame (4) along the 5th section of upper the second chute (23) arranged of the body of rod (20)
Go out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610733600.8A CN106219344B (en) | 2016-08-28 | 2016-08-28 | A kind of elevator intelligent foreign matter removing system based on radio-frequency technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610733600.8A CN106219344B (en) | 2016-08-28 | 2016-08-28 | A kind of elevator intelligent foreign matter removing system based on radio-frequency technique |
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| Publication Number | Publication Date |
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| CN106219344A true CN106219344A (en) | 2016-12-14 |
| CN106219344B CN106219344B (en) | 2018-08-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117509A (en) * | 2016-02-24 | 2017-09-01 | 广东日创电梯有限公司 | Elevator door uses detection security system and method |
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| CN102009668A (en) * | 2010-07-13 | 2011-04-13 | 北京交通大学 | Non-contact type railway foreign matter invading-limit detection system |
| JP5689040B2 (en) * | 2011-08-04 | 2015-03-25 | 株式会社日立製作所 | Elevator door control device and elevator door control method |
| JP2015101464A (en) * | 2013-11-27 | 2015-06-04 | 三菱電機ビルテクノサービス株式会社 | Car door device of elevator |
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| JPH03138290A (en) * | 1989-10-23 | 1991-06-12 | Toshiba Corp | Foreign material detecting device in elevator doorway sill |
| JPH11278776A (en) * | 1998-03-30 | 1999-10-12 | Hitachi Building Systems Co Ltd | Elevator control device |
| CN2765265Y (en) * | 2005-01-11 | 2006-03-15 | 冯天晶 | A theft-proof alarm for window and door |
| CN102009668A (en) * | 2010-07-13 | 2011-04-13 | 北京交通大学 | Non-contact type railway foreign matter invading-limit detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117509A (en) * | 2016-02-24 | 2017-09-01 | 广东日创电梯有限公司 | Elevator door uses detection security system and method |
| CN107117509B (en) * | 2016-02-24 | 2019-12-13 | 广东日创电梯有限公司 | Elevator door usage detection safety system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106219344B (en) | 2018-08-14 |
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