CN109081215A - Door lock of elevator is shorted detection method and system - Google Patents
Door lock of elevator is shorted detection method and system Download PDFInfo
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- CN109081215A CN109081215A CN201811314397.6A CN201811314397A CN109081215A CN 109081215 A CN109081215 A CN 109081215A CN 201811314397 A CN201811314397 A CN 201811314397A CN 109081215 A CN109081215 A CN 109081215A
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- door lock
- shorted
- door
- detection
- input signal
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Classifications
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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
-
- 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
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
Abstract
The invention discloses a kind of door lock of elevator to be shorted detection method and system, and door lock of elevator is shorted detection method, comprising the following steps: when elevator major-minor door is opened simultaneously, carries out short circuit detection to door lock of elevator；Control is opened the door, and operation is shorted output signal, door lock detection is shorted the output state of output signal；System records output input state one, state two, state three, state four respectively；Judge the status input signal under each state, is judged as whether loop of the door lock is shorted exception.The door lock of elevator be shorted detection method can accurate judgement loop of the door lock be shorted abnormal conditions, improve elevator operation safety.
Description
Technical field
The present invention relates to door lock of elevator detection fields more particularly to a kind of door lock of elevator to be shorted detection method and system.
Background technique
With the development of Chinese Urbanization's, China possesses elevator platform amount and sharply increases, and elevator safety also becomes people's concern
Focus.Every year all there are many elevator accident constantly occur, and wherein a considerable amount of accidents are due to door lock of elevator failure
It is caused.Door lock of elevator be generally divided into hall door lock and car door lock, for double door elevator also further discriminate between for main vestibule latc,
Secondary vestibule latc, main door car door lock and secondary door car door lock.
When artificial short circuit, when door-opened elevator, elevator device needs to detect the institute that loop of the door lock is shorted after door is opened
There is something special.Otherwise elevator is likely to after door lock short circuit occurs, the safety accident for the ladder that opens the door.
Summary of the invention
The purpose of the present invention is to provide a kind of door lock of elevator to be shorted detection method and system, which is shorted detection
Method can accurate judgement loop of the door lock be shorted abnormal conditions, improve elevator operation safety.
Its technical solution is as follows:
Door lock of elevator is shorted detection method, comprising the following steps:
When elevator door is opened, short circuit detection is carried out to door lock of elevator；
When operation of opening the door is shorted output signal, door lock detection short circuit output signal is invalid, as major-minor door is opened,
Door lock input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains one
After fixing time, detection input signal, secondary door lock short circuit detection input signal are shorted in door lock input signal, main door door lock at this time
Input state be it is invalid, system records output input state one；
After issuing door opening command and reaching threshold time, it is invalid state, control that control, which opens the door and runs short circuit output signal,
It is effective status that door lock detection, which is shorted output signal,；Door lock is shorted the first enabling operation shorting switch, second of control panel at this time
The operation shorting switch that opens the door is off-state, and the first door lock that door lock is shorted control panel detects shorting switch, the second door lock
Detecting shorting switch is then closed state；It is short that detection input signal, secondary door lock are shorted in door lock input signal, main door door lock
It connects detection input signal input state to maintain after a certain period of time, system records output input state two at this time；
Output signal is shorted from after the time for becoming effective status in vain reaching certain threshold value when door lock detects, and control is opened the door
It is effective status that operation, which is shorted and exports, and the second of door lock short circuit control panel opens the door operation shorting switch as off-state at this time, and
First opens the door, and operation shorting switch, the first door lock detect shorting switch, the second door lock detection shorting switch is then closed state；?
Door lock input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains one
After fixing time, system records output input state three at this time；
Output signal is shorted from after the time for becoming effective status in vain reaching certain threshold value when opening the door to run, and controls door lock
It is invalid state that detection short circuit, which exports, and the first of door lock short circuit control panel, which opens the door, at this time runs shorting switch, the second enabling operation
Shorting switch is closed state, and the first door lock detection shorting switch, the second door lock detection shorting switch are off-state；?
Door lock input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains one
After fixing time, system records output input state four at this time；
State one, state two, state three, state four are judged simultaneously, if state door lock input signal once, main door door lock
It is all invalid for being shorted detection input signal and secondary door lock short circuit detection input signal；Door lock input signal under state two is nothing
Effect, it is all effective that main door door lock, which is shorted detection input signal and secondary door lock short circuit detection input signal,；Door lock under state three
Input signal be it is invalid, main door door lock be shorted detection input signal and secondary door lock to be shorted detection input signal be all effective；Shape
Door lock input signal under state four be it is effective, main door door lock is shorted detection input signal and secondary door lock is shorted detection input signal
It is all invalid；It is determined as that the first connectivity port of loop of the door lock and third connectivity port are shorted abnormal or the second connection at this time
Port and the 4th connectivity port are shorted abnormal.
It is further comprising the steps of:
State one, state two, state three, state four are judged simultaneously, if state door lock input signal once, main door door lock
It is all invalid for being shorted detection input signal and secondary door lock short circuit detection input signal；Door lock input signal and pair under state two
It is all that in vain, it is effective that main door door lock, which is shorted detection input signal, that door lock, which is shorted detection input signal,；Door lock under state three
It is all effective that input signal, main door door lock, which are shorted detection input signal and secondary door lock short circuit detection input signal,；Under state four
Door lock input signal be it is effective, main door door lock be shorted detection input signal and secondary door lock to be shorted detection input signal be all nothing
Effect；It is abnormal to be determined as that the third connectivity port of loop of the door lock and the 5th connectivity port are shorted at this time.
It is further comprising the steps of:
When detecting any one short circuit extremely in door lock of elevator, the elevator controlling mainboard, which issues, is shorted failure report
It is alert, and forbid elevator to run, and export door opening command to door machine.
Door lock of elevator is shorted detection system, including power input port, door lock of elevator, elevator controlling mainboard, door lock are shorted
Control panel, the elevator controlling mainboard include input signal connectivity port, output signal connectivity port, the power input port
It is electrically connected by door lock of elevator and input signal connectivity port, the output signal connectivity port is shorted control panel by door lock
It controls and connects with door lock of elevator.
The door lock of elevator includes main vestibule latc, secondary vestibule latc, main door car door lock, secondary door car door lock, the first connection
Port, second connection end mouth, third connectivity port, the 4th connectivity port, the 5th connectivity port, along the power input port,
First connectivity port, main door car door lock, second connection end mouth, main vestibule latc, third connectivity port, secondary vestibule latc, the 4th
Connectivity port, secondary door car door lock, the 5th connectivity port are sequentially connected in series；The door lock of elevator passes through described first respectively and connects
Port, second connection end mouth, the 4th connectivity port, the 5th connectivity port are connect with the elevator controlling mainboard.
The input signal connectivity port includes safety return circuit input port, main door door lock short circuit detection input mouth, pair
Door lock is shorted detection input mouth, door lock input port, first connectivity port, second connection end mouth, the 4th connecting pin
Mouth, the 5th connectivity port pass through safety return circuit input port respectively, main door door lock is shorted detection input mouth, secondary door lock is shorted
Detection input mouth, door lock input port are connect with the elevator controlling mainboard.
It includes the first enabling operation shorting switch, the second enabling operation shorting switch, first that the door lock, which is shorted control panel,
Door lock detects shorting switch, the second door lock detection shorting switch, third door lock and detects shorting switch, and the first enabling operation, which is shorted, opens
The both ends of pass are connect with the first connectivity port, third connectivity port respectively, the second door lock detect shorting switch both ends respectively with
First connectivity port, the connection of second connection end mouth, third door lock detect the both ends of shorting switch respectively with third connectivity port, the
The connection of four connectivity ports, third connectivity port, second, which open the door, runs shorting switch, the first door lock detection shorting switch, the 5th company
Port is connect to be sequentially connected in series.
The output signal connectivity port includes that enabling operation is shorted output signal port, door lock detection is shorted output signal
Port, the enabling operation are shorted output signal port and run respectively with the first enabling operation shorting switch, the second enabling
Shorting switch connection, the door lock detection are shorted output signal port and detect shorting switch, second with first door lock respectively
Door lock detects shorting switch connection.
It further include circuit switching, the power input port is connect by the circuit switching with the door lock of elevator.
It should be understood that
Aforementioned " first, second ... " does not represent specific quantity and sequence, is only used for the differentiation to title.
Aforementioned detecting step determines that port is shorted abnormal situation and does not represent specific detection method, only present invention side
The illustration of method.
Advantages of the present invention or principle are illustrated below:
1, when door-opened elevator, output signal is shorted by control enabling operation and door lock detection is shorted the output of output signal
State, to judge that door lock input signal, main door door lock are shorted detection input signal and secondary door lock is shorted detection input signal
Input state realizes the first connectivity port, second connection end mouth, the third connectivity port, the 4th company of detection elevator door lock loop
Connect port, whether the 5th connectivity port has short circuit when the arbitrary port of artificial short circuit elevator door lock loop, to pass through state extremely
One, two, three, four output input state situation, to detect the abnormal conditions that loop of the door lock is shorted, system is taken at this time
Certain safeguard measure processing, avoids safety accident；
The door lock of elevator be shorted detection method can accurate judgement loop of the door lock be shorted abnormal conditions, improve elevator operation
Safety；
2, when detecting any one short circuit extremely in door lock of elevator, elevator controlling mainboard, which issues, is shorted failure report
It is alert, and elevator is forbidden to run, avoid safety accident.
3, it includes that power input port, door lock of elevator, elevator controlling mainboard, door lock are short that this door lock of elevator, which is shorted detection system,
Control panel is connect, which is shorted detection system by designed timing control signal, makes loop of the door lock that software control occur
Then the bridge joint situation of system detects the state of the input signal of elevator controlling mainboard, to realize that door lock is shorted the purpose of detection.
4, door lock of elevator includes main vestibule latc, secondary vestibule latc, main door car door lock, secondary door car door lock, the first connecting pin
Mouth, second connection end mouth, third connectivity port, the 4th connectivity port, the 5th connectivity port connect along power input port, first
Connect port, main door car door lock, second connection end mouth, main vestibule latc, third connectivity port, secondary vestibule latc, the 4th connecting pin
Mouth, secondary door car door lock, the 5th connectivity port are sequentially connected in series；Form series connection loop of the door lock.
5, input signal connectivity port includes safety return circuit input port, main door door lock short circuit detection input mouth, secondary door
Door lock is shorted detection input mouth, door lock input port, by the first connectivity port, second connection end mouth, the 4th connectivity port, the
The voltage signal that five connectivity ports issue passes through safety return circuit input port respectively, main door door lock is shorted detection input mouth, pair
Door lock is shorted detection input mouth, door lock input port is connect with elevator controlling mainboard.
6, it includes the first enabling operation shorting switch, the second enabling operation shorting switch, first that door lock, which is shorted control panel,
Lock detection shorting switch, the second door lock detection shorting switch, third door lock detect shorting switch, and elevator control panel can be controlled separately
First, which opens the door, runs shorting switch, the second enabling runs shorting switch, the first door lock detects shorting switch, the detection of the second door lock is short
The contact of switch is connect, it is normally-closed contact circuit that third door lock, which detects shorting switch,；After elevator parking, electricity is opened in level position
When terraced door, system can be opened the door by designed timing control first operation shorting switch, second open the door operation shorting switch, the
One door lock detects the contact of shorting switch, the second door lock detection shorting switch, so that software control occurs for elevator door lock loop
Bridge joint situation, then detect that main door door lock is shorted detection input signal, secondary door lock is shorted detection input signal, door lock input
The state of signal, to realize that door lock of elevator is shorted the purpose of detection.
7, output signal connectivity port includes that enabling operation is shorted output signal port, door lock detection is shorted output signal end
Mouthful, elevator control panel can be shorted output signal by operation of opening the door, door lock detection is shorted output signal and individually controls first
It opens the door and runs shorting switch, the second enabling runs shorting switch, the first door lock detection shorting switch, the second door lock detection short circuit are opened
The contact of pass, to realize that door lock of elevator is shorted the purpose of detection.
8, the setting of circuit switching improves the safety of system.
Detailed description of the invention
Fig. 1 is the floor plan that door lock of elevator of the embodiment of the present invention is shorted detection system.
Description of symbols:
10, power input port, 21, main door car door lock, 22, main vestibule latc, 23, secondary vestibule latc, 24, secondary door gate
Lock, the 31, first connectivity port, 32, second connection end mouth, 33, third connectivity port, the 34, the 4th connectivity port, the 35, the 5th connects
Connect port, 40, elevator controlling mainboard, 41, safety return circuit input port, 42, main door door lock short circuit detection input mouth, 43, pair
Door lock is shorted detection input mouth, 44, door lock input port, 45, operation short circuit output signal port of opening the door, 46, door lock inspection
Short circuit output signal port is surveyed, 50, door lock short circuit control panel, 51, first, which opens the door, runs shorting switch, and 52, second, which opens the door, runs
Shorting switch, the 53, first door lock detect shorting switch, and the 54, second door lock detects shorting switch, 55, third door lock detection short circuit
Switch, 60, circuit switching.
Specific embodiment
The embodiment of the present invention is described in detail below.
As shown in Figure 1, door lock of elevator is shorted detection method, comprising the following steps:
When elevator door is opened, short circuit detection is carried out to door lock of elevator；
When operation of opening the door is shorted output signal, door lock detection short circuit output signal is invalid, as major-minor door is opened,
Door lock input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains one
After fixing time, system records output input state one at this time；
After issuing door opening command and reaching threshold time, it is invalid state, control that control, which opens the door and runs short circuit output signal,
It is effective status that door lock detection, which is shorted output signal,；At this time door lock be shorted control panel 50 first open the door operation shorting switch 51,
Second enabling operation shorting switch 52 is off-state, and the first door lock that door lock is shorted control panel 50 detects shorting switch
53, the second door lock detection shorting switch 54 is then closed state；Detection input letter is shorted in door lock input signal, main door door lock
Number, secondary door lock be shorted detection input signal input state and maintain after a certain period of time, system is recorded exports input state at this time
Two；
Output signal is shorted from after the time for becoming effective status in vain reaching certain threshold value when door lock detects, and control is opened the door
It is effective status that operation, which is shorted output signal,；The second enabling operation shorting switch 52 that door lock is shorted control panel 50 at this time is to disconnect
State, and first opens the door operation shorting switch 51, the first door lock detection shorting switch 53, the second door lock detection shorting switch 54 then
It is defeated in door lock input signal, main door door lock short circuit detection input signal, secondary door lock short circuit detection input signal for closed state
Enter state to maintain after a certain period of time, system records output input state three at this time；
Output signal is shorted from after the time for becoming effective status in vain reaching certain threshold value when opening the door to run, and controls door lock
It is invalid state that detection, which is shorted output signal,；Door lock is shorted the first enabling operation shorting switch 51, second of control panel 50 at this time
The operation shorting switch 52 that opens the door is closed state, and the first door lock detection shorting switch 53, the second door lock detect shorting switch
54 be off-state；Detection input signal, secondary door lock short circuit detection input signal are shorted in door lock input signal, main door door lock
Input state maintains after a certain period of time, and system records output input state four at this time；
State one, state two, state three, state four are judged simultaneously, if state door lock input signal once, main door door lock
It is all invalid for being shorted detection input signal and secondary door lock short circuit detection input signal；Door lock input signal under state two is nothing
Effect, it is all effective that main door door lock, which is shorted detection input signal and secondary door lock short circuit detection input signal,；Door lock under state three
Input signal be it is invalid, main door door lock be shorted detection input signal and secondary door lock to be shorted detection input signal be all effective；Shape
Door lock input signal under state four be it is effective, main door door lock is shorted detection input signal and secondary door lock is shorted detection input signal
It is all invalid；It is determined as that the first connectivity port 31 of loop of the door lock is shorted exception or second with third connectivity port 33 at this time
Connectivity port 32 and the 4th connectivity port 34 are shorted exception.
Wherein, this door lock of elevator is shorted detection method, further comprising the steps of:
State one, state two, state three, state four are judged simultaneously, if state door lock input signal once, main door door lock
It is all invalid for being shorted detection input signal and secondary door lock short circuit detection input signal；Door lock input signal and pair under state two
It is all that in vain, it is effective that main door door lock, which is shorted detection input signal, that door lock, which is shorted detection input signal,；Door lock under state three
It is all effective that input signal, main door door lock, which are shorted detection input signal and secondary door lock short circuit detection input signal,；Under state four
Door lock input signal be it is effective, main door door lock be shorted detection input signal and secondary door lock to be shorted detection input signal be all nothing
Effect；The third connectivity port 33 and the 5th connectivity port 35 for being determined as loop of the door lock at this time are shorted exception.
When detecting any one short circuit extremely in door lock of elevator, the elevator controlling mainboard 40, which issues, is shorted failure
Alarm, and forbid elevator to run, and export door opening command to door machine.
As shown in Figure 1, door lock of elevator is shorted detection system, including power input port 10, door lock of elevator, elevator controlling master
Plate 40, door lock are shorted control panel 50, and elevator controlling mainboard 40 includes input signal connectivity port, output signal connectivity port, electricity
Source input port 10 is electrically connected by door lock of elevator and input signal connectivity port, and output signal connectivity port is short by door lock
It connects control panel 50 and door lock of elevator control connects.
Wherein, door lock of elevator include main vestibule latc 22, secondary vestibule latc 23, main door car door lock 21, secondary door car door lock 24,
First connectivity port 31, second connection end mouth 32, third connectivity port 33, the 4th connectivity port 34, the 5th connectivity port 35, edge
Power input port 10, the first connectivity port 31, main door car door lock 21, second connection end mouth 32, main vestibule latc 22, third connect
Connect port 33, secondary vestibule latc 23, the 4th connectivity port 34, secondary door car door lock 24, the 5th connectivity port 35 are sequentially connected in series；
Door lock of elevator pass through respectively the first connectivity port 31, second connection end mouth 32, the 4th connectivity port 34, the 5th connectivity port 35 with
Elevator controlling mainboard 40 connects；
Input signal connectivity port includes safety return circuit input port 41, main door door lock short circuit detection input mouth 42, pair
Door lock is shorted detection input mouth 43, door lock input port 44, and the first connectivity port 31, second connection end mouth the 32, the 4th connect
Connect port 34, the 5th connectivity port 35 respectively by safety return circuit input port 41, main door door lock be shorted detection input mouth 42,
Secondary door lock is shorted detection input mouth 43, door lock input port 44 is connect with elevator controlling mainboard 40；
It includes that the first operation shorting switch 51, second that opens the door opens the door operation shorting switch 52, that door lock, which is shorted control panel 50,
One door lock detects shorting switch 53, the second door lock detection shorting switch 54, third door lock and detects shorting switch 55, and first, which opens the door, transports
The both ends of row shorting switch 51 are connect with the first connectivity port 31, third connectivity port 33 respectively, and the detection of the second door lock, which is shorted, opens
The both ends of pass 54 are connect with the first connectivity port 31, second connection end mouth 32 respectively, and third door lock detects the two of shorting switch 55
End is connect with third connectivity port 33, the 4th connectivity port 34 respectively, and open the door operation shorting switch for third connectivity port 33, second
52, the first door lock detection shorting switch 53, the 5th connectivity port 35 are sequentially connected in series；
Output signal connectivity port includes that enabling operation is shorted output signal port 45, door lock detection is shorted output signal end
Mouth 46, enabling operation short circuit output signal port 45 is opened the door with first respectively runs the enabling operation short circuit of shorting switch 51, second
Switch 52 connects, and door lock detection is shorted output signal port 46 and examines respectively with the first door lock detection shorting switch 53, the second door lock
Shorting switch 54 is surveyed to connect；
It further includes circuit switching 60 that this door lock of elevator, which is shorted detection system, power input port 10 by circuit switching 60 with
The door lock of elevator connection.
The present embodiment has the following advantages that or principle:
1, when door-opened elevator, output signal is shorted by control enabling operation and door lock detection is shorted the output of output signal
State, to judge that door lock input signal, main door door lock are shorted detection input signal and secondary door lock is shorted detection input signal
Input state realizes the first connectivity port 31, second connection end mouth 32, the third connectivity port of detection elevator door lock loop with this
33, whether the 4th connectivity port 34, the 5th connectivity port 35 have short circuit abnormal, when the arbitrary end of artificial short circuit elevator door lock loop
When mouth, by the output input state situation of state one, two, three, four, to detect the abnormal feelings that loop of the door lock is shorted
Condition, system takes certain safeguard measure to handle at this time, avoids safety accident；
The door lock of elevator be shorted detection method can accurate judgement loop of the door lock be shorted abnormal conditions, improve elevator operation
Safety；
2, when detecting any one short circuit extremely in door lock of elevator, elevator controlling mainboard 40, which issues, is shorted failure report
It is alert, and elevator is forbidden to run, avoid safety accident.
3, it includes power input port 10, door lock of elevator, elevator controlling mainboard 40, door that this door lock of elevator, which is shorted detection system,
Lock is shorted control panel 50, which is shorted detection system by designed timing control signal, makes loop of the door lock
Then the bridge joint situation of software control detects the state of the input signal of elevator controlling mainboard 40, to realize that door lock is shorted detection
Purpose.
4, door lock of elevator includes main vestibule latc 22, secondary vestibule latc 23, main door car door lock 21, secondary door car door lock 24, the
One connectivity port 31, second connection end mouth 32, third connectivity port 33, the 4th connectivity port 34, the 5th connectivity port 35, along electricity
Source input port 10, the first connectivity port 31, main door car door lock 21, second connection end mouth 32, main vestibule latc 22, third connection
Port 33, secondary vestibule latc 23, the 4th connectivity port 34, secondary door car door lock 24, the 5th connectivity port 35 are sequentially connected in series；Shape
At series connection loop of the door lock.
5, input signal connectivity port include safety return circuit input port 41, main door door lock be shorted detection input mouth 42,
Secondary door lock is shorted detection input mouth 43, door lock input port 44, by the first connectivity port 31, second connection end mouth 32, the
The voltage signal that four connectivity ports 34, the 5th connectivity port 35 issue passes through safety return circuit input port 41, main door door lock respectively
It is shorted detection input mouth 42, secondary door lock is shorted detection input mouth 43, door lock input port 44 and elevator controlling mainboard 40
Connection.
6, door lock be shorted control panel 50 include first open the door operation shorting switch 51, second open the door operation shorting switch 52,
First door lock detects shorting switch 53, the second door lock detection shorting switch 54, third door lock and detects shorting switch 55, elevator controlling
Plate can be controlled separately the first enabling operation enabling operation of shorting switch 51, second shorting switch 52, the detection of the first door lock is shorted and opens
The contact of the 53, second door lock detection shorting switch 54 is closed, it is normally-closed contact circuit that third door lock, which detects shorting switch 55,；Work as elevator
After parking, in level position opening elevator door, system can be opened the door by designed timing control first and run shorting switch
51, the touching of the second enabling operation shorting switch 52, the first door lock detection shorting switch 53, the second door lock detection shorting switch 54
Point so that elevator door lock loop occur software control bridge joint situation, then detect main door door lock be shorted detection input signal,
Secondary door lock is shorted detection input signal, the state of door lock input signal, to realize that door lock of elevator is shorted the purpose of detection.
7, output signal connectivity port includes that enabling operation is shorted output signal port 45, door lock detection is shorted output signal
Port 46, elevator control panel can be shorted output signal by operation of opening the door, door lock detection is shorted output signal and individually controls
First opens the door, and the operation enabling of shorting switch 51, second runs shorting switch 52, the first door lock detects shorting switch 53, the second door lock
The contact of shorting switch 54 is detected, to realize that door lock of elevator is shorted the purpose of detection.
8, the setting of circuit switching 60 improves the safety of system.
The above is only specific embodiments of the present invention, are not limited the scope of protection of the present invention with this；Do not violating this hair
Made any replacement and improvement, category protection scope of the present invention on the basis of bright design.
Claims (9)
1. door lock of elevator is shorted detection method, which comprises the following steps:
When elevator door is opened, short circuit detection is carried out to door lock of elevator；
When operation of opening the door is shorted output signal, door lock detection short circuit output signal is invalid, as major-minor door is opened, in door lock
Input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains a timing
Between after, system record at this time output input state one；
After issuing door opening command and reaching threshold time, it is invalid state that control, which opens the door and runs short circuit output signal, controls door lock
It is effective status that detection, which is shorted output signal,；Door lock is shorted the first enabling operation shorting switch of control panel, the second enabling at this time
Running shorting switch is off-state, and door lock is shorted the first door lock detection shorting switch of control panel, the detection of the second door lock
Shorting switch is then closed state；Detection input signal, secondary door lock short circuit inspection are shorted in door lock input signal, main door door lock
It surveys input signal input state to maintain after a certain period of time, system records output input state two at this time；
Output signal is shorted from after the time for becoming effective status in vain reaching certain threshold value when door lock detects, and control enabling is run
Being shorted output is effective status, and the second enabling operation shorting switch that door lock is shorted control panel at this time is off-state, and first
Opening the door, operation shorting switch, the first door lock detect shorting switch, the second door lock detection shorting switch is then closed state；In door lock
Input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains a timing
Between after, system record at this time output input state three；
Output signal is shorted from after the time for becoming effective status in vain reaching certain threshold value when opening the door to run, and control door lock detects
Output is shorted as invalid state, the first enabling operation shorting switch of door lock short circuit control panel, second, which open the door, at this time runs short circuit
Switch is closed state, and the first door lock detection shorting switch, the second door lock detection shorting switch are off-state；In door lock
Input signal, main door door lock are shorted detection input signal, secondary door lock is shorted detection input signal input state and maintains a timing
Between after, system record at this time output input state four；
State one, state two, state three, state four are judged simultaneously, if state door lock input signal once, main door door lock are shorted
It is all invalid for detecting input signal and secondary door lock short circuit detection input signal；Door lock input signal under state two be it is invalid,
It is all effective that main door door lock, which is shorted detection input signal and secondary door lock short circuit detection input signal,；Door lock input under state three
Signal be it is invalid, main door door lock be shorted detection input signal and secondary door lock to be shorted detection input signal be all effective；State four
Under door lock input signal be it is effective, main door door lock is shorted detection input signal and secondary door lock is shorted detection input signal and is all
In vain；The first connectivity port and third connectivity port for being determined as loop of the door lock at this time are shorted abnormal or second connection end mouth
It is shorted with the 4th connectivity port abnormal.
2. door lock of elevator as described in claim 1 is shorted detection method, which is characterized in that further comprising the steps of:
State one, state two, state three, state four are judged simultaneously, if state door lock input signal once, main door door lock are shorted
It is all invalid for detecting input signal and secondary door lock short circuit detection input signal；Door lock input signal and secondary door door under state two
It is all that in vain, it is effective that main door door lock, which is shorted detection input signal, that lock, which is shorted detection input signal,；Door lock input under state three
It is all effective that signal, main door door lock, which are shorted detection input signal and secondary door lock short circuit detection input signal,；Door under state four
Lock input signal be it is effective, main door door lock be shorted detection input signal and secondary door lock short circuit to detect input signal be all invalid；
It is abnormal to be determined as that the third connectivity port of loop of the door lock and the 5th connectivity port are shorted at this time.
3. as the described in any item door lock of elevator of claim 1 to 2 are shorted detection method, which is characterized in that further include following step
It is rapid:
When detecting any one short circuit extremely in door lock of elevator, the elevator controlling mainboard, which issues, is shorted fault alarm,
And elevator is forbidden to run, and export door opening command to door machine.
4. door lock of elevator be shorted detection system, which is characterized in that including power input port, door lock of elevator, elevator controlling mainboard,
Door lock is shorted control panel, and the elevator controlling mainboard includes input signal connectivity port, output signal connectivity port, the power supply
Input port is electrically connected by door lock of elevator and input signal connectivity port, and the output signal connectivity port is short by door lock
It connects control panel and door lock of elevator control connects.
5. door lock of elevator as claimed in claim 4 is shorted detection system, which is characterized in that the door lock of elevator includes the main door Room
Door lock, secondary vestibule latc, main door car door lock, secondary door car door lock, the first connectivity port, second connection end mouth, third connectivity port,
4th connectivity port, the 5th connectivity port, along the power input port, the first connectivity port, main door car door lock, the second connection
Port, main vestibule latc, third connectivity port, secondary vestibule latc, the 4th connectivity port, secondary door car door lock, the 5th connectivity port
It is sequentially connected in series；The door lock of elevator respectively by first connectivity port, second connection end mouth, the 4th connectivity port,
5th connectivity port is connect with the elevator controlling mainboard.
6. door lock of elevator as claimed in claim 5 is shorted detection system, which is characterized in that the input signal connectivity port packet
Include safety return circuit input port, main door door lock is shorted detection input mouth, secondary door lock is shorted detection input mouth, door lock input
Port, first connectivity port, second connection end mouth, the 4th connectivity port, the 5th connectivity port pass through safety return circuit respectively
Input port, main door door lock are shorted detection input mouth, secondary door lock is shorted detection input mouth, door lock input port with it is described
The connection of elevator controlling mainboard.
7. door lock of elevator as claimed in claim 6 is shorted detection system, which is characterized in that the door lock is shorted control panel and includes
First, which opens the door, runs shorting switch, the second enabling runs shorting switch, the first door lock detects shorting switch, the detection of the second door lock is short
Connect switch, third door lock detection shorting switch, first open the door operation shorting switch both ends respectively with the first connectivity port, third
The both ends of connectivity port connection, the second door lock detection shorting switch are connect with the first connectivity port, second connection end mouth respectively, the
The both ends of three door locks detection shorting switch are connect with third connectivity port, the 4th connectivity port respectively, third connectivity port, second
Opening the door, operation shorting switch, the first door lock detect shorting switch, the 5th connectivity port is sequentially connected in series.
8. door lock of elevator as claimed in claim 7 is shorted detection system, which is characterized in that the output signal connectivity port packet
It includes enabling operation and is shorted output signal port, door lock detection short circuit output signal port, the enabling operation is shorted output signal
Port opens the door with described first run shorting switch respectively, the second enabling operation shorting switch is connect, and the door lock detection is shorted
Output signal port is connect with first door lock detection shorting switch, the second door lock detection shorting switch respectively.
9. as the described in any item door lock of elevator of claim 4 to 8 are shorted detection system, which is characterized in that further include that circuit is opened
It closes, the power input port is connect by the circuit switching with the door lock of elevator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811314397.6A CN109081215B (en) | 2018-11-06 | 2018-11-06 | Door lock of elevator is shorted detection method and system |
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| CN201811314397.6A CN109081215B (en) | 2018-11-06 | 2018-11-06 | Door lock of elevator is shorted detection method and system |
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