CN108466891A - A kind of pet safe protection elevator and its control system - Google Patents
A kind of pet safe protection elevator and its control system Download PDFInfo
- Publication number
- CN108466891A CN108466891A CN201810466262.5A CN201810466262A CN108466891A CN 108466891 A CN108466891 A CN 108466891A CN 201810466262 A CN201810466262 A CN 201810466262A CN 108466891 A CN108466891 A CN 108466891A
- Authority
- CN
- China
- Prior art keywords
- pet
- fixed frame
- car
- snap ring
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
- B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of pet safe protection elevator and its control systems,Belong to elevator safety protection field,A kind of pet safe protection elevator and its control system,Car including being connected with control panel,Cab interior is equipped with pet safe protective device,Pet safe protective device includes fixed frame,And fixed frame is connected on car inner wall,Fixed frame is divided into multistage,It is connected with electric reel between multistage fixed frame,And it is dug on electric reel fluted,Bottom end is connected with touch switch in groove,Main control MCU is connected on control panel,Main control MCU signal is connected with chip,Chip outer end is connected with snap ring,Snap ring is connected to end of the pet drawstring far from pet,The device of pulling plug pet is installed in cab interior,After ensureing pet completely into car,Elevator door can just close,Pet drawstring can be substantially reduced to be pressed from both sides so as to cause the injured or even lethal danger of pet,Largely improve the safety for carrying pet into ladder.
Description
Technical field
The present invention relates to elevator safeties to protect field, and elevator and its control are protected more specifically to a kind of pet safe
System processed.
Background technology
Elevator is a kind of using motor as the vertical conveyor of power, and there are one cars for vertical lift elevator tool, operate in
At least two row it is vertical or between rigid guideway of the inclination angle less than 15 °.Car size and structure type come in and go out convenient for passenger or
Handling goods is pressed according to the needs of oneself upstream or downstream by upper or lower arrow in boarding floor elevator inlet
Button, elevator reaches open the door after, first allow personnel in car to walk out elevator, then call person enters back into lift car.Into after car,
The floor reached as needed presses in car corresponding digital button on control handwheel.As carrying tool, ensure elevator safety
Use when it is highly important, to prevent all from jeopardizing the generation of the accident of personal safety, the safety device of elevator includes electricity
Terraced limiter of speed, safety tongs, rope brake, buffer, safety edge, layer door lock, lift safety window, elevator overload limits device,
Limit switch device etc..
The safety device security performance of existing elevator is higher, but leads dog for some love dog personages and pass in and out elevator
When, it does not notice whether pet has completely passed into car, often there is pet drawstring to be clamped by elevator door, cause people and pet
The situation for being separated two places by elevator door, so as to cause the miserable condition that pet is injured or even lethal.
Invention content
1. technical problems to be solved
For problems of the prior art, the purpose of the present invention is to provide a kind of pet safe protection elevator and its
Control system, it is equipped with the device of pulling plug pet in cab interior, and after ensureing pet completely into car, elevator door can just close
It closes, pet drawstring can be substantially reduced and pressed from both sides so as to cause the injured or even lethal danger of pet, largely improve and take
With pet into ladder safety.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of pet safe protection elevator and its control system, including it is connected with the car of control panel, in the car
Portion is equipped with pet safe protective device, and the pet safe protective device includes fixed frame, and fixed frame is connected to car inner wall
On, the fixed frame is divided into multistage, and electric reel is connected between fixed frame described in multistage, and dug on electric reel have it is recessed
Slot, bottom end is connected with touch switch in the groove, is connected with main control MCU on the control panel, and touch switch and electronic
Spool is electrically connected with main control MCU, and the main control MCU signal is connected with chip, and the chip outer end is connected with snap ring, described
Snap ring is connected to end of the pet drawstring far from pet, and card slot, and snap ring and card are formed between the fixed frame and electric reel
Slot matches, it is equipped with the device of pulling plug pet in cab interior, and after ensureing pet completely into car, elevator door can just close
It closes, pet drawstring can be substantially reduced and pressed from both sides so as to cause the injured or even lethal danger of pet, largely improve and take
With pet into ladder safety.
Further, the fixed frame one meter of bottom end in car, distance are unlikely to too short and hinder goods handling
It places, and the degree easy to use of one meter of the suitable most users of height.
Further, position sensor is connected on the fixed frame, and position sensor uses grating sensor, light
Grating sensor have electromagnetism interference, size is small, light-weight, multiplexing capacity is strong, corrosion-resistant, highly sensitive, passive device, easily
The advantages that deformation.
Further, it is connected with the sensing device mutually incuded with position sensor on the pet drawstring, and is passed with position
The sensing device that sensor mutually incudes is located at the one end of pet drawstring far from snap ring, and the position of pet is sensed using position sensor
It sets.
Further, the distance of reaction of the position sensor is fixed frame between inner wall of the car far from fixed frame
Horizontal distance, electric reel furls pet drawstring, when position sensor senses pet position, main control MCU control electricity
Terraced door is closed, and retracting pet drawstring is simultaneously stopped, and avoids retracting excessive, ankle injury pet.
Further, the main control MCU is electrically connected with EEPROM module, and EEPROM module and internet of things equipment signal
Connection, EEPROM module are passed for recording and preserving each operation information, then by the operation information recorded in EEPROM module
It is sent in internet of things equipment and preserves.
Further, the internet of things equipment is connect with cloud server, be can record and is preserved the real-time operation received
Information, for internet of things equipment by real-time operation information storage to cloud server, technical staff can directly transfer cloud server
In historical operation information check the function situation of the safety device.
Further, the EEPROM module can be by internet of things equipment and cloud server to after technical staff and computer
Platform pushed information, the cloud server are connect with the bluetooth equipment signal in handheld device, and by the letter in EEPROM module
On the display screen of breath display on a handheld device, more convenient technical staff transfers the historical operation information in cloud server
Check the function situation of the safety device.
Further, GPS positioning system, and the GPS positioning system on snap ring and handheld device are connected on the snap ring
Signal connects, and the GPS positioning system on the snap ring is connect with main control MCU signal, convenient for passing through the main control MCU and hand in car
Holding equipment positions pet, prevents more people carrying pets and mistake leads pet when going out elevator, it is difficult to give for change.
Further, it is connected with pressure sensor between the electric reel and fixed frame, is connected on the car inner wall
There are buzzer, the pressure sensor to be electrically connected by main control MCU and buzzer, when pet resistance enters car, pet is drawn
Rope reversely drops snap ring, and snap ring hinders the rotation of electric reel, and electric reel is exerted oneself squeeze pressure sensor at this time, is more than pressure
When the threshold value of sensor, buzzer starts, and reminds owner control pet.
3. advantageous effect
Compared with the prior art, the advantage of the invention is that：
(1) this programme is equipped with the device of pulling plug pet in cab interior, after ensureing pet completely into car, elevator door
It can just close, pet drawstring can be substantially reduced and pressed from both sides so as to cause the injured or even lethal danger of pet, largely carried
It is high to carry safety of the pet into ladder.
(2) fixed frame one meter of bottom end in car, distance are unlikely to placement that is too short and hindering goods handling, and one meter
Height be suitble to most users degree easy to use.
(3) position sensor is connected on fixed frame, and position sensor uses grating sensor, grating sensor
With electromagnetism interference, size is small, light-weight, multiplexing capacity is strong, corrosion-resistant, highly sensitive, passive device, easy deformation etc. are excellent
Point.
(4) it is connected with the sensing device mutually incuded with position sensor on pet drawstring, and mutually incudes with position sensor
Sensing device be located at the one end of pet drawstring far from snap ring, the position of pet is sensed using position sensor.
(5) distance of reaction of position sensor is fixed frame to the horizontal distance between inner wall of the car far from fixed frame,
Electric reel furls pet drawstring, and when position sensor senses pet position, main control MCU controls elevator door and closes,
It is simultaneously stopped retracting pet drawstring, avoids retracting excessive, ankle injury pet.
(6) main control MCU is electrically connected with EEPROM module, and EEPROM module is connect with internet of things equipment signal,
EEPROM module is used to recording and preserving each operation information, then the operation information recorded in EEPROM module is transmitted to object
It is preserved in networked devices.
(7) internet of things equipment is connect with cloud server, be can record and is preserved the real-time operation information received, Internet of Things
Equipment by real-time operation information storage to cloud server, EEPROM module can by internet of things equipment and cloud server to
Technical staff and computer backstage pushed information, cloud server are connect with the bluetooth equipment signal in handheld device, and will
On the display screen of presentation of information on a handheld device in EEPROM module, technical staff is facilitated to transfer going through in cloud server
History operation information checks the function situation of the safety device.
(8) it is connected with GPS positioning system on snap ring, and the GPS positioning system on snap ring is connect with handheld device signal, blocks
GPS positioning system on ring is connect with main control MCU signal, convenient for by main control MCU in car and handheld device to pet into
Row positioning prevents more people carrying pets and mistake leads pet when going out elevator, it is difficult to give for change.
(9) it is connected with pressure sensor between electric reel and fixed frame, buzzer is connected on car inner wall, pressure passes
Sensor is electrically connected by main control MCU and buzzer, and when pet resistance enters car, pet drawstring reversely drops snap ring, snap ring
The rotation of electric reel is hindered, electric reel is exerted oneself squeeze pressure sensor at this time, when being more than the threshold value of pressure sensor, buzzing
Device starts, and reminds owner control pet.
Description of the drawings
Fig. 1 is the car structure schematic diagram of the present invention；
Fig. 2 is structural schematic diagram at the fixed frame of the present invention；
Fig. 3 is structural schematic diagram at A in Fig. 2；
Fig. 4 is the system block diagram of the present invention.
Figure label explanation：
1 car, 2 fixed frames, 3 snap rings, 4 card slots, 5 grooves, 6 touch switch, 7 electric reels.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention；Technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes；Obviously；Described embodiments are only a part of the embodiments of the present invention；Instead of all the embodiments, it is based on
Embodiment in the present invention；It is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment；It shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instructions such as term "upper", "lower", "inner", "outside" " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
To indicate or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1：
Please refer to Fig.1-4, a kind of pet safe protection elevator and its control system, including it is connected with the car of control panel
1, car 1 is internally provided with pet safe protective device, and pet safe protective device includes fixed frame 2, and fixed frame 2 is connected to sedan-chair
On 1 inner wall of compartment, fixed frame 2 divides for multistage, and electric reel 7 is connected between multistage fixed frame 2, and digs and have on electric reel 7
Groove 5, bottom end is connected with touch switch 6 in groove 5, and main control MCU, and touch switch 6 and electric rolling are connected on control panel
Axis 7 is electrically connected with main control MCU, and main control MCU signal is connected with chip, and chip outer end is connected with snap ring 3, and snap ring 3 is connected to
End of the pet drawstring far from pet, is connected with GPS positioning system on snap ring 3, and the GPS positioning system on snap ring 3 with it is hand-held
Device signal connects, and the GPS positioning system on snap ring 3 connect with main control MCU signal, convenient for pass through the main control MCU in car 1 with
Handheld device positions pet, prevents more people carrying pets and mistake leads pet when going out elevator, it is difficult to give for change, fixed frame 2
Card slot 4 is formed between electric reel 7, and snap ring 3 matches with card slot 4, it is equipped with the dress of pulling plug pet inside car 1
It sets, after ensureing pet completely into car 1, elevator door can just close, and can substantially reduce pet drawstring and be pressed from both sides so as to cause doting on
Object injury or even lethal danger largely improve the safety for carrying pet into ladder.
It robs refering to fig. 1-3, one meter of bottom end in car 1 of fixed frame 2, distance is unlikely to too short and hinders goods handling
It places, and the degree easy to use of one meter of the suitable most users of height, connects position sensor on fixed frame 2, and position passes
Sensor uses grating sensor, and grating sensor has that electromagnetism interference, size are small, light-weight, multiplexing capacity is strong, corrosion resistant
The advantages that erosion, high sensitivity, passive device, easy deformation, is connected with the induction mutually incuded with position sensor on pet drawstring and fills
It sets, and the sensing device mutually incuded with position sensor is located at the one end of pet drawstring far from snap ring 3, utilizes position sensor sense
The position of pet should be arrived, the distance of reaction of position sensor arrives the water between inner wall of the car 1 far from fixed frame 2 for fixed frame 2
Flat distance, electric reel 7 furls pet drawstring, and when position sensor senses pet position, main control MCU controls elevator
Door is closed, and retracting pet drawstring is simultaneously stopped, and avoids retracting excessive, ankle injury pet.
Referring to Fig. 4, main control MCU is electrically connected with EEPROM module, and EEPROM module connects with internet of things equipment signal
It connects, EEPROM module is transmitted for recording and preserving each operation information, then by the operation information recorded in EEPROM module
To being preserved in internet of things equipment, internet of things equipment is connect with cloud server, be can record and is preserved the real-time operation letter received
Breath, for internet of things equipment by real-time operation information storage to cloud server, EEPROM module can pass through internet of things equipment and cloud
Hold server to technical staff and computer backstage pushed information, cloud server connects with the bluetooth equipment signal in handheld device
It connects, and by the display screen of the presentation of information in EEPROM module on a handheld device, technical staff is facilitated to transfer cloud service
Historical operation information in device checks the function situation of the safety device.
It is connected with pressure sensor between electric reel 7 and fixed frame 2, buzzer is connected on 1 inner wall of car, pressure passes
Sensor is electrically connected by main control MCU and buzzer, and when pet resistance enters car 1, pet drawstring reversely drops snap ring 3, blocks
Ring 3 hinder electric reel 7 rotation, at this time electric reel 7 exert oneself squeeze pressure sensor, be more than pressure sensor threshold value
When, buzzer starts, and reminds owner control pet.
The personage for carrying pet draws on pin for leashing pet with the pet being connect with the main control MCU signal in elevator control panel
The snap ring 3 of pet drawstring handheld terminal opening is stuck in solid by rope first into when being equipped in the car of pet safe protective device
Determine in the card slot 4 between frame 2 and electric reel 7, snap ring 3 contacts touch switch 6, and touch switch 6 triggers internal circuit and drives 7 turns
Dynamic, since snap ring 3 and electric reel 7 are clamped, electric reel 7 is rotated with snap ring 3, and pet drawstring is wrapped on fixed frame 2,
Electric reel 7 furls pet drawstring, and when position sensor senses pet position, main control MCU controls elevator door and closes,
It is simultaneously stopped retracting pet drawstring, avoids retracting excessive, ankle injury pet, when pet resistance enters car 1, pet drawstring is reversely dragged
Dynamic snap ring 3, snap ring 3 hinder the rotation of electric reel 7, and electric reel 7 is exerted oneself squeeze pressure sensor at this time, is more than pressure sensing
When the threshold value of device, buzzer starts, and reminds owner control pet, is connected with GPS positioning system on snap ring 3, and on snap ring 3
GPS positioning system is connect with handheld device signal, and the GPS positioning system on snap ring 3 is connect with main control MCU signal, convenient for passing through
Main control MCU and handheld device in car 1 position pet, carry pet in more people and mistake leads pet when going out elevator
When, it is easy to give for change.
In the present solution, the personage of carrying pet connects to the main control MCU signal carried on pin for leashing pet and in elevator control panel
The pet drawstring connect, into when being equipped in the car of pet safe protective device, first by the snap ring 3 of pet drawstring handheld terminal
Opening is stuck in the card slot 4 between fixed frame 2 and electric reel 7, and the device of pulling plug pet is equipped with inside car 1, is ensured
After pet is completely into car 1, elevator door can just close, and can substantially reduce pet drawstring and be pressed from both sides so as to cause pet injury very
To lethal danger, largely improve the safety for carrying pet into ladder, the GPS positioning system on snap ring 3 simultaneously with
Handheld device is connected with main control MCU signal, convenient for being positioned to pet by main control MCU in car 1 and handheld device,
More people carry pets and when mistake lead pet when going out elevator, are easy to give for change.Main control MCU is electrically connected with EEPROM module, and
EEPROM module is connect with internet of things equipment signal, and EEPROM module is used to record and preserve each operation information, then will
The operation information recorded in EEPROM module, which is transmitted in internet of things equipment, to be preserved, and internet of things equipment is by real-time operation information storage
Into cloud server, cloud server is connect with the bluetooth equipment signal in handheld device, and by the letter in EEPROM module
On the display screen of breath display on a handheld device, technical staff is facilitated to transfer the historical operation information in cloud server to check
The function situation of the safety device.
It is described above；It is merely preferred embodiments of the present invention；But scope of protection of the present invention is not limited thereto；
Any one skilled in the art is in the technical scope disclosed by the present invention；According to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change；Should all it cover within the scope of the present invention.
Claims (10)
1. a kind of pet safe protection elevator and its control system, including it is connected with the car (1) of control panel, feature exists
In：The car (1) is internally provided with pet safe protective device, and the pet safe protective device includes fixed frame (2), and solid
Determine frame (2) to be connected on car (1) inner wall, the fixed frame (2) is divided into multistage, is connected between fixed frame (2) described in multistage
Electric reel (7), and fluted (5) are dug on electric reel (7), the interior bottom end of the groove (5) is connected with touch switch (6),
Main control MCU is connected on the control panel, and touch switch (6) and electric reel (7) are electrically connected with main control MCU, institute
It states main control MCU signal and is connected with chip, the chip outer end is connected with snap ring (3), and it is remote that the snap ring (3) is connected to pet drawstring
End from pet forms card slot (4), and snap ring (3) and card slot (4) phase between the fixed frame (2) and electric reel (7)
Match.
2. a kind of pet safe protection elevator according to claim 1 and its control system, it is characterised in that：The fixation
Frame (2) is apart from one meter of the interior bottom end of car (1).
3. a kind of pet safe protection elevator according to claim 1 and its control system, it is characterised in that：The fixation
Position sensor is connected on frame (2), and position sensor uses grating sensor.
4. a kind of pet safe protection elevator according to claim 3 and its control system, it is characterised in that：The pet
The sensing device for being connected with the sensing device mutually incuded with position sensor on drawstring, and mutually incuding with position sensor, which is located at, to be doted on
The one end of object drawstring far from snap ring (3).
5. a kind of pet safe protection elevator according to claim 4 and its control system, it is characterised in that：The position
Horizontal distance of the distance of reaction of sensor between inner wall of the fixed frame (2) to car (1) far from fixed frame (2).
6. a kind of pet safe protection elevator according to claim 1 and its control system, it is characterised in that：The master control
MCU is electrically connected with EEPROM module, and EEPROM module is connect with internet of things equipment signal.
7. a kind of pet safe protection elevator according to claim 6 and its control system, it is characterised in that：The Internet of Things
Net equipment is connect with cloud server, be can record and is preserved the real time data received.
8. a kind of pet safe protection elevator described according to claim 6 or 7 and its control system, it is characterised in that：It is described
EEPROM module can be by internet of things equipment and cloud server to technical staff and computer backstage pushed information, and the high in the clouds takes
Business device connect with the bluetooth equipment signal in handheld device, and by the presentation of information in EEPROM module on a handheld device show
In display screen.
9. a kind of pet safe protection elevator according to claim 1 and its control system, it is characterised in that：The snap ring
(3) GPS positioning system is connected on, and the GPS positioning system on snap ring (3) is connect with handheld device signal, the snap ring (3)
On GPS positioning system connect with main control MCU signal.
10. a kind of pet safe protection elevator according to claim 1 and its control system, it is characterised in that：The electricity
It is dynamic that pressure sensor is connected between spool (7) and fixed frame (2), it is connected with buzzer, the pressure on car (1) inner wall
Force snesor is electrically connected by main control MCU and buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466262.5A CN108466891A (en) | 2018-05-16 | 2018-05-16 | A kind of pet safe protection elevator and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810466262.5A CN108466891A (en) | 2018-05-16 | 2018-05-16 | A kind of pet safe protection elevator and its control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108466891A true CN108466891A (en) | 2018-08-31 |
Family
ID=63261236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810466262.5A Pending CN108466891A (en) | 2018-05-16 | 2018-05-16 | A kind of pet safe protection elevator and its control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108466891A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858423A (en) * | 2016-06-21 | 2016-08-17 | 浙江屹立电梯有限公司 | Anti-pinch passenger elevator |
| CN106081771A (en) * | 2016-08-28 | 2016-11-09 | 韩斌 | A kind of intelligent elevator running gear obtained based on detection body home address |
| CN106429669A (en) * | 2016-12-08 | 2017-02-22 | 宁波永良电梯技术发展有限公司 | Intelligent induction elevator |
| CN106629292A (en) * | 2016-11-30 | 2017-05-10 | 广州日滨科技发展有限公司 | Alarming method and device for elevator and elevator |
| CN207090716U (en) * | 2017-09-05 | 2018-03-13 | 浙江奥菱达电梯有限公司 | A kind of intelligent elevator identifying system detection means |
| CN207209630U (en) * | 2017-08-11 | 2018-04-10 | 杭州职业技术学院 | A kind of elevator console |
-
2018
- 2018-05-16 CN CN201810466262.5A patent/CN108466891A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858423A (en) * | 2016-06-21 | 2016-08-17 | 浙江屹立电梯有限公司 | Anti-pinch passenger elevator |
| CN106081771A (en) * | 2016-08-28 | 2016-11-09 | 韩斌 | A kind of intelligent elevator running gear obtained based on detection body home address |
| CN106629292A (en) * | 2016-11-30 | 2017-05-10 | 广州日滨科技发展有限公司 | Alarming method and device for elevator and elevator |
| CN106429669A (en) * | 2016-12-08 | 2017-02-22 | 宁波永良电梯技术发展有限公司 | Intelligent induction elevator |
| CN207209630U (en) * | 2017-08-11 | 2018-04-10 | 杭州职业技术学院 | A kind of elevator console |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180831 |
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| RJ01 | Rejection of invention patent application after publication |