CN107176532B - The means of communication and elevator car door system control method of elevator car door system controller and intelligent door light curtain - Google Patents
The means of communication and elevator car door system control method of elevator car door system controller and intelligent door light curtain Download PDFInfo
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- CN107176532B CN107176532B CN201610137164.8A CN201610137164A CN107176532B CN 107176532 B CN107176532 B CN 107176532B CN 201610137164 A CN201610137164 A CN 201610137164A CN 107176532 B CN107176532 B CN 107176532B
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- door
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Classifications
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- 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
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical
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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
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses the means of communication of a kind of elevator car door system controller and intelligent door light curtain, wherein elevator car door system controller and the communication interface of intelligent door light curtain respectively include power positive cathode interface, self-checking command interface and light curtain signaling interface, door system controller, which is powered for intelligent door light curtain by power positive cathode interface and passes through self-checking command interface, issues self-checking command to intelligent door light curtain, intelligent door light curtain exports monitoring signal and self-test signal with push pull mode to door system controller by light curtain signaling interface, door system controller judges whether carriage entrance is blocked according to the signal received, whether gate is in close state, whether intelligent door light curtain breaks down.Invention additionally discloses a kind of elevator car door system control methods.Controller of the invention only needs a light curtain signaling interface that can distinguish three detection signals of intelligent door light curtain, not only increases the interface utilization of printing forme, reduces connector cost, moreover it is possible to reduce the matching error of field connection.
Description
Technical field
The present invention relates to elevator communication and control technology, a kind of elevator car door system controller and intelligent door light curtain are particularly belonged to
The means of communication and the elevator car door system based on the means of communication control method, the wherein intelligent door light curtain of elevator car door system
Have the function of monitoring whether entrance is obscured by an object, monitors whether gate is in close state and carries out fault self-checking.
Background technique
In the concerned countries standard of elevator, clear stipulaties elevator device must install entrance protective device, and current one
As protected using elevator door light curtain enter and leave lift car passenger, function be mainly to detect whether someone or object disengaging sedan-chair
Door is to prevent the gate during being closed from hitting.
Elevator cage door automatic opening and closing door under the control of electrically driven leads to when elevator cage door is in closing process
Door-closing in-place switch are crossed to be monitored the closed state of elevator cage door.When gate does not completely close, door-closing in-place switch are
Safety return circuit is in an off state, and lift car can not be run up and down at this time, only when door-closing in-place switch in an ON state
When, lift car could be run up and down, this just prevents elevator cage door passenger's inlet/outlet area but lift car in the open mode
The case where accidental movement causes harm to the human body.
The shutdown that can be temporarily shorted elevator cage door in violation of rules and regulations is facilitated to arrive for work however, sometimes maintaining personnel
Bit switch is forgotten for door-closing in-place switch to be restored to normal condition because of carelessness, will lead to electricity so again after the completion of work
The lower movement of the carriage effect of also calling together outside in the open mode of terraced gate, and then the passenger of disengaging carriage is damaged.And intelligence
Can door light curtain then can accurately detect gate and be in safety zone (gate fully closed or gate gap safely) and be in danger area
Domain (gate open or gate gap dangerous) deliberately or is not intended to the case where being shorted door lock, add additional which prevent people
Monitoring protection.
In EN81-20 standard again mention in the case where door light curtain breaks down or do not work, door light curtain should and
When be diagnosed to be faults itself and fault-signal be output to door system, then prompted by door system signal an alert and execute safety
Measure.
If currently, common door system controller to recognize simultaneously the output of intelligent door light curtain monitoring entrance whether by
Whether object blocks, monitors gate is in close state and three kinds of fault self-checking different detection signals, generally requires three
Light curtain signal output, the monitoring signal whether such as the first light curtain signal output transmitting carriage entrance is obscured by an object, the
Two light curtain signal outputs transmitting gate position judges signal, and whether third light curtain signal output transmitting light curtain itself occurs event
The signal of barrier.Three light curtain signal outputs not only waste the interface resource on controller circuit board, increase connector material
Expect cost, and be easy to cause incorrect link when field connection.
Summary of the invention
Technical problem to be solved by the invention is to provide the communications of a kind of elevator car door system controller and intelligent door light curtain
Method, it is possible to reduce the interface quantity that controller occupies, while reducing the difficulty of field connection.In addition, the present invention also provides one
Elevator car door system control method of the kind based on the aforementioned means of communication.
In order to solve the above technical problems, the communication side of elevator car door system controller and intelligent door light curtain provided by the invention
Whether method, the intelligent door light curtain monitoring carriage entrance are blocked, monitor whether gate is in close state and carries out failure
Self-test, in which:
It is negative that the elevator car door system controller and the communication interface of intelligent door light curtain respectively include positive pole interface, power supply
Pole interface, self-checking command interface and light curtain signaling interface, wherein elevator car door system controller passes through positive pole interface and power supply
Cathode interface is that intelligent door light curtain powers and passes through self-checking command interface to intelligent door light curtain sending self-checking command, intelligent door light curtain
Monitoring signal and self-test signal are exported with push pull mode to elevator car door system controller, elevator door system by light curtain signaling interface
System controller judges whether carriage entrance is blocked or gate whether is in close state or intelligent door according to the signal received
Whether light curtain breaks down；
The intelligent door light curtain is using the relationship between the signal and detected status of push pull mode output are as follows:
When self-test, which occurs, for intelligent door light curtain disconnects failure, exports and continue low level signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is blocked, exports and continue low level signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is not blocked, gate is in full-shut position or door gap
Home exports the first pulse signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is not blocked, gate is shown in a fully open operation or door gap
Danger position exports the second pulse signal, and the second pulse signal is different from the first pulse signal；
When intelligent door light curtain contact adhesion, permanent High level signal is exported；
When intelligent door light curtain power loss, exports and continue low level signal.
Wherein, the elevator car door system controller is by way of changing self-checking command to the self-test form of intelligent door light curtain
It switches over.For example, the elevator car door system controller be output to intelligent door light curtain self-checking command be high level when, intelligent door
Light curtain voluntarily regular self-test；The elevator car door system controller be output to intelligent door light curtain self-checking command be low level when, intelligence
It can door light curtain pressure self-test immediately.
Further, the elevator car door system controller and intelligent door light curtain respectively further comprise synchronization signal interface, this connects
Signal and receiving end each light eye received signal of the mouth for each light eye transmitting of synchronous intelligent door light curtain transmitting terminal.
Wherein, the frequency of first pulse signal and the second pulse signal is identical, but duty ratio is different.
Wherein, it is in door gap home when door gap is less than 50mm, is in when door gap is more than or equal to 50mm
Door gap danger position.
In addition, the present invention also provides a kind of elevator car door system control methods, comprising the following steps:
Step 1, elevator car door system controller issues self-checking command before enabling, after intelligent door light curtain receives self-checking command
Fault self-checking is carried out immediately, and intelligent door light curtain outputs signal to elevator car door system controller after self-test；
If elevator car door system controller receives lasting low level signal or permanent High level signal, intelligent door is judged
Light curtain breaks down, and signal an alert simultaneously executes safety command；If elevator car door system controller receives the second pulse letter
Number, then judge that gate is shown in a fully open operation or door gap danger position, carriage cannot move up and down at this time；If elevator car door system
Controller receives the first pulse signal, then judges that gate is in full-shut position or door gap home, subsequent to carry out normally
Switch gate；
Step 2, gate, if elevator car door system controller receives lasting low level signal, are sentenced in opening procedure
It is disconnected to occur to hit danger, continue to execute enabling；If elevator car door system controller receives permanent High level signal, sentence
Disconnected intelligent door light curtain sticks together failure, issues alarm signal, and normal execute is opened the door but subsequent execution low speed is closed the door；If elevator
Door system controller receives the first pulse signal or the second pulse signal, then judgement is normal and continues to execute enabling；
Gate during the shutdown process, if elevator car door system controller receives lasting low level signal, judges to enter and leave
Mouth is blocked, and executes reversed open the door；If elevator car door system controller receives permanent High level signal, intelligent door light is judged
Curtain sticks together failure, issues alarm signal and simultaneously executes low speed shutdown；
Gate is closed to after home, if entrance is not blocked and intelligent door light curtain is normal, intelligent door light
Curtain the first pulse signal of output, lift car is run up and down after elevator car door system controller receives the first pulse signal.
Wherein, gate during the shutdown process, if what is received within elevator car door system controller continuous 10 seconds is all persistently low
Level signal then judges that intelligent door light curtain occurs to disconnect failure or gate is deliberately blocked, issues alarm signal and execute low speed
It closes the door.
Further, on the elevator car before lower operation, the elevator car door system controller issues certainly to intelligent door light curtain
Inspection instruction.
Wherein, in step 1, the self-checking command that the elevator car door system controller is issued before enabling is low level, and
When elevator cage door does not execute movement, the self-checking command that the elevator car door system controller is issued to intelligent door light curtain is high electricity
It is flat, intelligent door light curtain voluntarily regular self-test at this time.
Further, the elevator car door system controller is according to the output signal of intelligent door light curtain and door-closing in-place switch
Whether signal judges door-closing in-place switch by artificial short circuit, when elevator cage door is in full-shut position or door gap home, closes
Door location switch in an ON state, is opened full-gear or door gap danger position, door-closing in-place and is opened when elevator cage door is in
Pass is in an off state；When elevator car door system controller receives the second pulse signal, if door-closing in-place switch output
It is cut-off signal, then elevator car door system controller judges that door-closing in-place switch are not shorted, if door-closing in-place switch export
Be to turn on signal, then elevator car door system controller judges door-closing in-place switch by artificial short circuit.
(whether fault self-checking signal, entrance are blocked three kinds of signals of intelligent door light curtain in the means of communication of the invention
Monitoring signal and gate closed state monitoring signal) using push-pull type export, so that elevator car door system controller
Only need 1 light curtain signaling interface it may determine that have intelligent door light curtain whether failure, whether entrance blocks and gate
Whether in the closed position, the printing forme occupancy of this means of communication and control method good reliability, elevator car door system controller connects
Mouth minimum number, it is possible to reduce the difficulty of field connection.
Detailed description of the invention
Fig. 1 is the interface diagram of elevator car door system controller and intelligent door light curtain in the present invention；
Fig. 2 is elevator cage door state in the present invention, the detected status of intelligent door light curtain and intelligent door light curtain output signal
Relation table；
Fig. 3 is the waveform comparison figure of the first pulse signal and the second pulse signal in the present invention；
Fig. 4 is the timing diagram of door system control method in the present invention；
Fig. 5 is that elevator car door system controller judges figure to the combination of intelligent door light curtain and door-closing in-place switch in the present invention.
Specific embodiment
Present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
Elevator car door system of the invention includes intelligent door light curtain, elevator car door system controller, and intelligent door light curtain has following
Function: 1) it can monitor whether carriage entrance be blocked；2) it is whether in the closed position that gate can be monitored；3) can carry out
Fault self-checking.Wherein, it is the basic function of elevator door light curtain in the market that whether monitoring carriage entrance, which is blocked, utilizes elevator door
Light curtain characteristic also has relevant patent description to elevator cage door method whether in the closed position, therefore explanation is not added herein.Therefore
Barrier self-checking function is also the mature technology of elevator door light curtain in the market, and common method is to allow from top to bottom or from bottom to up often
One light eye carries out on off test, in this way it is known that the fault condition of any one light eye.The fault-tolerance of intelligent door light curtain
Can accomplish without fault-tolerant, there is any one light eye failure just whole report failure.
Elevator car door system controller and the communication interface of intelligent door light curtain respectively include positive pole (such as 12V) in the present invention
Interface, power cathode (such as 0V) interface, self-checking command interface and light curtain signaling interface, as shown in Figure 1, wherein elevator car door system control
Device processed is that intelligent door light curtain powers and passes through self-checking command interface to intelligent door by positive pole interface and power cathode interface
Light curtain issues self-checking command, and intelligent door light curtain exports monitoring signal and self-test signal by light curtain signaling interface with push pull mode
To elevator car door system controller, elevator car door system controller judges whether carriage entrance is blocked or sedan-chair according to the signal received
Whether door is in close state or whether intelligent door light curtain breaks down；Wherein, the item that the output voltage of intelligent door light curtain meets
Part includes high level>light curtain supply voltage -2V and low level<1V.
As shown in Fig. 2, intelligent door light curtain is using the relationship between the signal and detected status of push pull mode output are as follows:
When intelligent door light curtain self-test occurs to disconnect failure, exports and continue low level signal, i.e. 0V；
When intelligent door light curtain self-test fault-free and when carriage entrance is blocked, exports and continue low level signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is not blocked, gate is in full-shut position or door gap
Home exports the first pulse signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is not blocked, gate is shown in a fully open operation or door gap
Danger position exports the second pulse signal, and the second pulse signal is different from the first pulse signal；
When intelligent door light curtain contact adhesion, permanent High level signal is exported；
When intelligent door light curtain power loss, exports and continue low level signal.
Wherein permanent High level signal when intelligent door light curtain contact adhesion and continue low electricity when intelligent door light curtain power loss
Ordinary mail number belongs to the signal of non-active output, is identified by elevator car door system controller, therefore not shown in FIG. 2.
In the above-mentioned methods, the method for phase modulation can be used to make the first pulse signal and the different arteries and veins of the second pulse signal
Punching.As shown in figure 3, the square-wave cycle of the first pulse signal and the second pulse signal is 2ms (frequency 500Hz), the first pulse letter
Number in a cycle 2ms, the time width that high level accounts for is 666 μ s, and the second pulse signal is in a cycle 2ms,
The time width that high level accounts for is 1337 μ s.After elevator car door system controller receives pulse signal, unit of account can be passed through
The average high level of time is come to judge the first pulse signal or the second pulse signal, specific method be elevator car door system control
Device samples pulse signal in 1/10th square-wave cycle (0.2ms), and collected high level is averaged, so that it may
To pick out the first pulse signal or the second pulse signal.
In order to reduce the error in judgement to gate closed position, to the design of intelligent door light curtain guarantee door gap 50mm with
Inside think that a gap is in home, gate is fully closed and door gap home is all judged as that gate is closed, and door gap
Think that a gap is in danger position when more than or equal to 50mm, gate standard-sized sheet and door gap danger position are all judged as that gate is beaten
It opens.
The elevator car door system controller by way of changing self-checking command (high level or low level) to intelligent door
The self-test form of light curtain switches over.For example, the self-checking command that the elevator car door system controller is output to intelligent door light curtain is
When high level, the voluntarily regular self-test of intelligent door light curtain；The self-test that the elevator car door system controller is output to intelligent door light curtain refers to
When order is low level, intelligent door light curtain forces self-test immediately.
In addition, the elevator car door system controller can also include synchronization signal interface, which is used for synchronous intelligent door
Each light eye received signal of signal and receiving end of each light eye transmitting of light curtain transmitting terminal.
On this basis, the present invention also provides a kind of elevator car door system control methods, as described in Figure 4, comprising the following steps:
Step 1, elevator car door system controller issue self-checking command (as described above, self-checking command is low electricity before enabling
It is flat), intelligent door light curtain carries out fault self-checking after receiving self-checking command (low level signal) immediately, and intelligent door light curtain passes through after self-test
Light curtain signaling interface outputs signal to elevator car door system controller；
If elevator car door system controller receives lasting low level signal (intelligent door light curtain occurs to disconnect failure) or holds
Continuous high level signal (intelligent door light curtain contact adhesion), elevator car door system controller judges that intelligent door light curtain breaks down, elevator
Into failure operation mode, i.e., signal an alert and executes low speed and the safety commands such as close the door；If elevator car door system controller
Receive the second pulse signal, elevator car door system controller judges that gate is shown in a fully open operation or door gap danger position (i.e. sedan-chair
Door is closed not in place), elevator enters open position door operational mode at this time, i.e. gate can continue to execute opening but carriage not
It can move up and down；If elevator car door system controller receives the first pulse signal, elevator car door system controller if, judges gate
In full-shut position or door gap home, elevator enters closed position door operational mode, subsequent progress normal switch door；
Step 2, gate is in opening procedure, if elevator car door system controller receives lasting low level signal and (hidden
Gear or power-off), due to so the judgement of elevator car door system controller is blocked will not occur to hit dangerous, not doing and locating in door opening process
It manages and continues to execute enabling；If elevator car door system controller receives permanent High level signal, elevator car door system controller is sentenced
Disconnected intelligent door light curtain sticks together failure, and elevator enters adhesion fault door operational mode, i.e., sending alarm signal, normal execute are opened
Door but the shutdown of subsequent execution low speed；If elevator car door system controller receives the first pulse signal or the second pulse signal, electricity
Terraced door system controller judges normal and continues to execute enabling；
Gate during the shutdown process, if elevator car door system controller receives lasting low level signal, elevator car door system
Controller judges that entrance is blocked, and elevator enters intermittence and blocks an operational mode, that is, executes reversed open the door；If lasting
Low level time is too long, and such as continuous 10 seconds are all lasting low levels, and elevator car door system controller judges that light curtain has disconnection failure
(or gate is deliberately blocked), elevator, which enters, blocks an operational mode for a long time, that is, issues alarm signal and execute low speed shutdown；
If elevator car door system controller receives permanent High level signal, judge that intelligent door light curtain sticks together failure, elevator into
Enter adhesion fault door operational mode, that is, issue alarm signal and executes low speed shutdown；
Gate was closed to after home (i.e. door gap is less than 50mm), if entrance is not blocked and intelligent door light curtain
Normally, then intelligent door light curtain exports the first pulse signal, elevator car door system controller receive after the first pulse signal elevator into
Enter unobstructed door operational mode, lift car can just be run up and down.This can also be by elevator car door system controller in elevator
Carriage issues instruction before moving up and down again and light curtain is required to carry out self-test to improve elevator safety in utilization.
When elevator cage door does not execute movement, self-checking command that the elevator car door system controller is issued to intelligent door light curtain
It is always high level, the self-test of progress in each hour generally can be set in intelligent door light curtain voluntarily regular self-test at this time.
Elevator car door system controller in elevator car door system can also be arrived according to the output signal of intelligent door light curtain with shutdown
Whether the signal of bit switch judges door-closing in-place switch by artificial short circuit, and further preventing door-closing in-place switch to be shorted may make
At danger.Under normal conditions, when elevator cage door is in full-shut position or door gap home, door-closing in-place switch are in and connect
Logical state, when elevator cage door is in an off state in opening full-gear or door gap danger position, door-closing in-place switch.When
When elevator car door system controller receives the second pulse signal that intelligent door light curtain is sent, elevator car door system controller is by the signal
It is compared with the signal of door-closing in-place switch, if door-closing in-place switch output at this time is cut-off signal, elevator door
System controller judges door-closing in-place switch are not shorted, if door-closing in-place switch output is to turn on signal, with reality
Border situation is not inconsistent, and elevator car door system controller judges door-closing in-place switch by artificial short circuit, and elevator car door system controller will execute
Fault mode shows error code, strictly elevator is forbidden to move up and down, as shown in Figure 5.
The present invention has been described in detail through specific embodiments, the embodiment be only it is of the invention compared with
Good embodiment not limits the invention.Without departing from the principles of the present invention, those skilled in the art does
Equivalent replacement and improvement out are regarded as in the technology scope that the present invention is protected.
Claims (11)
1. a kind of means of communication of elevator car door system controller and intelligent door light curtain, the intelligent door light curtain monitors carriage entrance
Whether it is blocked, monitors whether gate is in close state and carries out fault self-checking, which is characterized in that
The elevator car door system controller and communication interface of intelligent door light curtain respectively includes positive pole interface, power cathode connects
Mouth, self-checking command interface and light curtain signaling interface, wherein elevator car door system controller passes through positive pole interface and power cathode
Interface is that intelligent door light curtain powers and passes through self-checking command interface to intelligent door light curtain sending self-checking command, and intelligent door light curtain will supervise
Control signal and self-test signal are exported with push pull mode to elevator car door system controller, elevator car door system control by light curtain signaling interface
Device processed judges whether carriage entrance is blocked or gate whether is in close state or intelligent door light curtain according to the signal received
Whether break down；
The intelligent door light curtain is using the relationship between the signal and detected status of push pull mode output are as follows:
When self-test, which occurs, for intelligent door light curtain disconnects failure, exports and continue low level signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is blocked, exports and continue low level signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is not blocked, gate is in full-shut position or door gap safety
Position exports the first pulse signal；
When intelligent door light curtain self-test fault-free and when carriage entrance is not blocked, gate is shown in a fully open operation or door gap is dangerous
Position exports the second pulse signal, and the second pulse signal is different from the first pulse signal；
When intelligent door light curtain contact adhesion, permanent High level signal is exported；
When intelligent door light curtain power loss, exports and continue low level signal.
2. the means of communication of elevator car door system controller and intelligent door light curtain according to claim 1, which is characterized in that institute
Elevator car door system controller is stated to switch over the self-test form of intelligent door light curtain by way of changing self-checking command.
3. the means of communication of elevator car door system controller and intelligent door light curtain according to claim 2, which is characterized in that institute
State elevator car door system controller be output to intelligent door light curtain self-checking command be high level when, intelligent door light curtain voluntarily periodically from
Inspection；The elevator car door system controller is output to the self-checking command of intelligent door light curtain when being low level, and intelligent door light curtain is forced vertical
That is self-test.
4. the means of communication of elevator car door system controller and intelligent door light curtain according to claim 1, which is characterized in that institute
It states elevator car door system controller and intelligent door light curtain respectively further comprises synchronization signal interface, which is used for synchronous intelligent door light curtain
Each light eye received signal of signal and receiving end of each light eye transmitting of transmitting terminal.
5. the means of communication of elevator car door system controller and intelligent door light curtain according to claim 1, which is characterized in that institute
The frequency for stating the first pulse signal and the second pulse signal is identical, but duty ratio is different.
6. the means of communication of elevator car door system controller and intelligent door light curtain according to claim 1, which is characterized in that when
Door gap is in door gap home when being less than 50mm, and door gap danger position is in when door gap is more than or equal to 50mm.
7. a kind of elevator car door system control method, which comprises the following steps:
Step 1, elevator car door system controller issue self-checking command before enabling, and intelligent door light curtain receives after self-checking command immediately
Fault self-checking is carried out, intelligent door light curtain outputs signal to elevator car door system controller after self-test；
If elevator car door system controller receives lasting low level signal or permanent High level signal, intelligent door light curtain is judged
It breaks down, signal an alert simultaneously executes safety command；If elevator car door system controller receives the second pulse signal,
Judge that gate is shown in a fully open operation or door gap danger position, carriage cannot move up and down at this time；If elevator car door system controls
Device receives the first pulse signal, then judges that gate is in full-shut position or door gap home, subsequent carry out normal switch
Door；
Step 2, gate, if elevator car door system controller receives lasting low level signal, judge not in opening procedure
It can occur to hit danger, continue to execute enabling；If elevator car door system controller receives permanent High level signal, intelligence is judged
Can door light curtain stick together failure, issue alarm signal, normal execute is opened the door but subsequent execution low speed is closed the door；If elevator door system
System controller receives the first pulse signal or the second pulse signal, then judgement is normal and continues to execute enabling；
Gate during the shutdown process, if elevator car door system controller receives lasting low level signal, judges entrance quilt
It blocks, executes reversed open the door；If elevator car door system controller receives permanent High level signal, judge that intelligent door light curtain is sent out
Raw adhesion fault issues alarm signal and executes low speed shutdown；
Gate is closed to after home, if entrance is not blocked and intelligent door light curtain is normal, intelligent door light curtain is defeated
First pulse signal out, lift car is run up and down after elevator car door system controller receives the first pulse signal.
8. elevator car door system control method according to claim 7, which is characterized in that gate during the shutdown process, if
What is received within elevator car door system controller continuous 10 seconds is all to continue low level signal, then judges that intelligent door light curtain occurs to disconnect event
Barrier or gate are deliberately blocked, and are issued alarm signal and are executed low speed shutdown.
9. elevator car door system control method according to claim 7, which is characterized in that on the elevator car before lower operation,
The elevator car door system controller issues self-checking command to intelligent door light curtain.
10. elevator car door system control method according to claim 7, which is characterized in that in step 1, the elevator door
The self-checking command that system controller is issued before enabling is low level, and when elevator cage door does not execute movement, the elevator door
The self-checking command that system controller is issued to intelligent door light curtain is high level, at this time intelligent door light curtain voluntarily regular self-test.
11. elevator car door system control method according to claim 7, which is characterized in that the elevator car door system controller
According to the signal of the output signal of intelligent door light curtain and door-closing in-place switch judge door-closing in-place switch whether by artificial short circuit, when
Elevator cage door is in full-shut position or door gap home, door-closing in-place switch in an ON state, when elevator cage door is in
It opens full-gear or door gap danger position, door-closing in-place switch is in an off state；When elevator car door system controller receives
When to the second pulse signal, if door-closing in-place switch output is cut-off signal, the judgement of elevator car door system controller is closed
Door location switch is not shorted, if door-closing in-place switch output is to turn on signal, the judgement of elevator car door system controller
Door-closing in-place switch are by artificial short circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137164.8A CN107176532B (en) | 2016-03-11 | 2016-03-11 | The means of communication and elevator car door system control method of elevator car door system controller and intelligent door light curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610137164.8A CN107176532B (en) | 2016-03-11 | 2016-03-11 | The means of communication and elevator car door system control method of elevator car door system controller and intelligent door light curtain |
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| Publication Number | Publication Date |
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| CN107176532A CN107176532A (en) | 2017-09-19 |
| CN107176532B true CN107176532B (en) | 2018-12-25 |
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| CN201610137164.8A Active CN107176532B (en) | 2016-03-11 | 2016-03-11 | The means of communication and elevator car door system control method of elevator car door system controller and intelligent door light curtain |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112299174B (en) * | 2019-07-29 | 2022-04-12 | 上海三菱电梯有限公司 | Elevator car access & exit monitoring system |
| CN110654964B (en) * | 2019-10-12 | 2023-09-05 | 菱王电梯有限公司 | Six-in-one light curtain for elevator |
| CN115258859B (en) * | 2021-07-19 | 2023-09-15 | 菱王电梯有限公司 | Method and device for identifying shielding behavior and elevator system |
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