CN110054063B - Device and method for verifying in-place closing of elevator car door - Google Patents
Device and method for verifying in-place closing of elevator car door Download PDFInfo
- Publication number
- CN110054063B CN110054063B CN201910306760.8A CN201910306760A CN110054063B CN 110054063 B CN110054063 B CN 110054063B CN 201910306760 A CN201910306760 A CN 201910306760A CN 110054063 B CN110054063 B CN 110054063B
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- door
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- closing
- car door
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- 238000000034 method Methods 0.000 title abstract description 10
- 238000012795 verification Methods 0.000 claims abstract description 58
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a device and a method for verifying in-place closing of an elevator car door, wherein a door machine outputs a door machine in-place closing signal when the door machine is in place when the door is closed. According to the invention, an independent in-place door closing verification switch contact is added to detect whether the in-place door closing verification switch is closed or not, and the in-place door closing of the elevator is judged by combining a door machine in-place door closing signal and a door lock locking signal, so that when the door machine in-place door closing signal is short-circuited and the elevator opens the car door, the in-place door closing of the elevator is misjudged, and the judgment is accurate and the safety is high.
Description
Technical Field
The invention relates to the field of elevator safety, in particular to a method and a device for verifying in-place closing of an elevator car door.
Background
According to EN81-20: 2014. the requirements of TSGT7007-2016 the elevator must have landing doors and a car door bypass device, and: 1. the landing door and the car door cannot be bypassed at the same time; 2. when in bypass, only emergency electric or maintenance operation is carried out; 3. when the bypass landing door operates, the door closing of the car door is verified to be in place, so that the bypass operation can be performed.
Therefore, referring to fig. 1, in the prior art, an elevator door in-place door closing signal S1 is often adopted as an in-place door closing verification (when a door is in place, a door control door in-place door closing switch K1 is closed to generate a door in-place door closing signal S1), the door in-place door closing signal S1 is input into an elevator car top plate U1, the elevator car top plate U1 is transmitted to an elevator main control board U2, if the door in-place door closing signal S1 is turned on, an elevator door lock electric loop (formed by connecting a car door lock switch K2 and a car door in-place verification switch K3 in series and connected with a power supply AC115V, and when two switches K2 and K3 are closed, a car door lock locking signal S2 is output), the car door can be considered to be closed in place, if a bypass signal S3 (a switch K5 of the elevator is turned off) at this time, and the elevator itself has no other abnormal signal, and the operation of the bypass car door can be performed.
However, the above technique may present a safety problem in certain situations, such as when some door doors are closed in place signal S1 is shorted, at which time the bypass hall operation is still possible with the elevator opening the doors.
Therefore, there is an urgent need for a method and apparatus for verifying the door closing of an elevator car to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a method and a device for verifying the closing of an elevator car door in place, which can accurately verify whether the elevator car door is closed in place or not and have high safety.
In order to achieve the aim, the invention discloses an elevator car door closing in-place verification device, which outputs a door closing in-place signal when a door machine is closed in place, and comprises a first car door closing in-place verification switch, a car door lock switch, a control device and a second car door closing in-place verification switch, wherein the first car door closing in-place verification switch and the second car door closing in-place verification switch are respectively arranged at a car door preset position and are closed when the car door is closed in place, the car door lock switch is arranged at a car door lock and is closed when the car door lock is locked, the first car door in-place verification switch and the car door lock switch are connected in series and then are connected with a preset voltage to form an elevator door lock electric loop, the car door in-place verification switch is closed, the car door lock is closed, a car door lock locking signal is output when the car door lock switch is closed, the control device is respectively connected with the second car door in-place verification switch, the car door lock locking signal and the door machine in-place signal, and the second car door in-place verification switch is closed, and the car door locking signal and the door machine in-place signal are received, so that the elevator car door is judged to be closed in place.
Compared with the prior art, the elevator door lock electric loop for detecting the locking of the elevator door lock is not changed, an independent elevator door in-place checking switch contact is added to detect whether the elevator door in-place checking switch is closed or not, the door in-place checking switch is combined with a door in-place signal to judge whether the door is in-place, finally, the elevator door is judged to be in-place when the door is in-place and the elevator door lock is locked, the door in-place signal can be prevented from being short-circuited, and the elevator door is misjudged to be in-place when the elevator door is opened, so that the judgment is accurate and the safety is high.
Preferably, the control device comprises an elevator car top plate and an elevator main control board, the elevator car top plate is respectively connected with the second car door closing in-place verification switch and the door machine closing in-place signal, and generates a car door closing signal when the second car door closing in-place verification switch is closed and the door machine closing in-place signal is received, and the elevator main control board is respectively connected with the car door locking signal and the car door closing signal and judges that the elevator car door is closed in place when receiving the car door locking signal and the car door closing signal.
Preferably, the control device allows access to the bypass door when the elevator door is closed and the elevator is free of abnormal signals, and can access the bypass operation according to the bypass signals.
The invention also discloses a method for verifying the in-place closing of the elevator car door, which comprises the steps that when the door is closed in place, a door machine outputs a door closing in-place signal, a first car door closing in-place verification switch is arranged at a preset position of the elevator car door, the first car door closing in-place verification switch is closed when the car door is closed in place, a car door lock switch is arranged at a car door lock, the car door lock switch is closed when the car door lock is locked, the first car door closing in-place verification switch and the car door lock switch are connected in series and then a preset voltage is connected to form an elevator door lock electric loop, and when the car door closing in-place verification switch is closed, a car door lock locking signal is output, and the method for verifying the in-place closing of the elevator car door comprises the following steps: and a second car door in-place verification switch is arranged at a preset car door position, the second car door in-place verification switch is closed when the car door is closed in place, the second car door in-place verification switch, a car door locking signal and a door machine in-place signal are accessed, and the second car door in-place verification switch is closed and the car door locking signal and the door machine in-place signal are received, so that the elevator car door is judged to be closed in place.
Compared with the prior art, the elevator door lock electric loop for detecting the locking of the elevator door lock is not changed, an independent elevator door in-place checking switch contact is added to detect whether the elevator door in-place checking switch is closed or not, the door in-place checking switch is combined with a door in-place signal to judge whether the door is in-place, finally, when the door is in-place and the elevator door lock is locked, the elevator door is judged to be in-place, the door in-place signal is prevented from being short-circuited, and the problem that the elevator door is misjudged to be in-place when the elevator is opened, even bypass operation is carried out according to a bypass signal is solved.
Preferably, the specific step of determining that the elevator car door is closed when the second car door closing in-place verification switch is closed and the car door locking signal and the door machine closing in-place signal are received includes: and when the second car door closing verification switch is closed and the door machine closing signal is received, judging that the elevator car door is closed in place, generating a car door closing signal, and when the car door closing signal is generated and the car door locking signal is received, judging that the elevator car door is closed in place.
Preferably, the method of verifying the door closing of the elevator car in place also allows access to the bypass car to run when the elevator car is in place and the elevator is free of abnormal signals.
Drawings
Fig. 1 is a circuit diagram of a prior art door closing in-place verification device for an elevator car.
Fig. 2 is a circuit diagram of an elevator door closing in-place verification device according to the present invention.
Detailed Description
In order to describe the technical content, the constructional features, the achieved objects and effects of the present invention in detail, the following description is made in connection with the embodiments and the accompanying drawings.
Referring to fig. 2, the invention discloses an elevator car door closing in-place verification device 100, a door machine 10 outputs a door machine closing in-place signal S1 when a car door is closed in place, the elevator car door closing in-place verification device 100 comprises a first car door closing in-place verification switch K3, a car door lock switch K2, a control device 20 and a second car door closing in-place verification switch K4, the first car door closing in-place verification switch K3 and the second car door closing in-place verification switch K4 are respectively arranged at preset positions of the car door and are closed when the car door is closed, the car door lock switch K2 is arranged at the car door lock and is closed when the car door lock is locked, the first car door closing in-place verification switch K3 and the car door lock switch K2 are connected in series to form an elevator door lock electric loop 30, a car door locking signal S2 is output when the car door closing in-place verification switch K2 and the first car door closing in-place verification switch K3 are respectively connected with the second car door closing in-place verification switch K2 and the car door closing in-place verification switch K4, and the car door locking in-place verification signal S1 is judged that the car door closing in-place signal S2 is closed. The control device 20 generates an elevator car door closing in-place signal S0 when the second car door closing in-place verification switch K4 is closed and the car door lock locking signal S2 and the door machine closing in-place signal S1 are received, so as to determine that the elevator car door is closed in place.
The door closing in-place switch K1 is connected in series between the power supply DC24V and the control device 20, and when the door 10 is in place, the door 10 controls the contact of the door closing in-place switch K1 to be closed so as to output the power supply DC24V as a door closing in-place signal S1. The first car door closing in-place verification switch K3 and the car door lock switch K2 are connected in series between the power supply AC115V and the control device 20, so that the power supply AC115V is output to the control device 20 as the car door lock locking signal S2 when the first car door closing in-place verification switch K3 and the car door lock switch K2 are closed. The second car door closing in-place verification switch K4 is connected in series between the power supply DC24V and the control device 20, and the car door closing in-place verification switch K4 is triggered to be closed, so that the power supply DC24V is output as a car door closing in-place signal.
Referring to fig. 2, the control device 20 includes an elevator car top board U1 and an elevator main control board U2, the elevator car top board U1 is provided with a car door closing signal input point X1 and a door machine door closing signal input point X2, the elevator car top board 2 outputs a door closing in-place signal S5 to the elevator main control board U2 when the car door closing in-place verification switch K2 is closed and the door machine door closing in-place signal S1 is received, and the elevator main control board U2 is provided with a door lock signal input point X3, and the elevator main control board U2 determines that the elevator car door is closed according to the car door locking signal S2 and the door closing in-place signal S5. The elevator main control board U2 generates an elevator car door closing in-place signal S0 according to the car door locking signal S2 and the door closing in-place signal S5 so as to judge that the elevator car door is closed in place.
The elevator main control board U2 also allows the elevator to enter the bypass car to run when the elevator car door is closed in place and the elevator has no abnormal signal, and can enter the bypass running according to the bypass signal S4 at the moment. Wherein, the bypass switch K5 is opened to output the bypass signal S4.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the scope of the claims, which follow, as defined in the claims.
Claims (2)
1. The utility model provides an elevator sedan-chair door verification device that targets in place that closes door, the door machine is closing the door when closing in place and is put in place the signal, including first sedan-chair door verification switch and sedan-chair door lock switch that targets in place that closes the door, first sedan-chair door verification switch that targets in place set up in sedan-chair door preset position and be closed when closing in place the sedan-chair door, sedan-chair door lock switch set up in sedan-chair door lock department and be closed when sedan-chair door lock locks, first sedan-chair door is closing in place verification switch and sedan-chair door lock switch connect a preset voltage after establishing ties in order to constitute elevator door lock electrical circuit and be in place verification switch closed just output sedan-chair door lock locking signal when sedan-chair door lock switch closed, its characterized in that: the elevator door closing in-place verification device comprises a first elevator door closing in-place verification switch, a second elevator door closing in-place verification switch and a control device, wherein the first elevator door closing in-place verification switch is independent of the first elevator door closing in-place verification switch; the control device comprises an elevator car top plate and an elevator main control board, wherein the elevator car top plate is respectively connected with a second car door closing in-place verification switch and a door machine closing in-place signal, and generates a car door closing signal when the second car door closing in-place verification switch is closed and the door machine closing in-place signal is received, and the elevator main control board is respectively connected with a car door locking signal and a car door closing signal and judges that the elevator car door is closed in place when receiving the car door locking signal and the car door closing signal.
2. The elevator car door closing in-place verification apparatus of claim 1, wherein: the control allows access to the bypass door to operate when the elevator door is closed and the elevator is free of abnormal signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306760.8A CN110054063B (en) | 2019-04-16 | 2019-04-16 | Device and method for verifying in-place closing of elevator car door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910306760.8A CN110054063B (en) | 2019-04-16 | 2019-04-16 | Device and method for verifying in-place closing of elevator car door |
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| Publication Number | Publication Date |
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| CN110054063A CN110054063A (en) | 2019-07-26 |
| CN110054063B true CN110054063B (en) | 2023-11-07 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451372A (en) * | 2019-08-12 | 2019-11-15 | 永大电梯设备（中国）有限公司 | A kind of confirmation method of elevator switch door performance |
| CN112249829A (en) * | 2020-10-21 | 2021-01-22 | 张华� | Method for assisting in judging state of elevator car door based on machine vision technology |
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| CN110054063A (en) | 2019-07-26 |
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