CN208648465U - Monitoring system for elevator - Google Patents
Monitoring system for elevator Download PDFInfo
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- CN208648465U CN208648465U CN201820419127.0U CN201820419127U CN208648465U CN 208648465 U CN208648465 U CN 208648465U CN 201820419127 U CN201820419127 U CN 201820419127U CN 208648465 U CN208648465 U CN 208648465U
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Abstract
The utility model relates to have the elevator monitoring system for subtracting stroke buffers, it simultaneously is configured to monitor the deceleration conditions of lift car, monitoring system includes input/Monitor And Control Subsystem, it has two speed detectors for generating an input signal respectively, and input signal characterizes the instantaneous velocity of lift car;Logic subsystem is connect with input/Monitor And Control Subsystem signal, and logic subsystem is configured to the deceleration conditions and logical synchronization for receiving the input signal generated by two speed detectors and judging lift car based on input signal;Output/executive subsystem, it connect with logic subsystem signal and has there are two Safety output relay, and output/executive subsystem is configured at least one of two Safety output relays of cutting in the case where the input signal not logical synchronization each other that logic subsystem judges the unusual slowdown of lift car or is generated by two speed detectors.The utility model relates to the monitoring systems for elevator.
Description
Technical field
The utility model relates to for having the monitoring system for the elevator for subtracting stroke buffers.The utility model further relates to have
There is the elevator of this monitoring system.
Background technique
Modem elevator be commonly equipped with the corresponding car buffer of specified ladder speed, with ensure elevator reliability service and
The safety of its occupants.In principle, the specified ladder speed of the height of car buffer and elevator is square directly proportional.Therefore, right
In express elevator, correspondingly relatively deep for installing the depth of pit of car buffer, this causes the building using express elevator
Difficulty of the object in terms of civil engineering.
In order to solve this problem, it can use and subtract stroke buffers.For using and subtracting the elevator of stroke buffers,
It is extremely important that must assure that elevator will not subtract speed corresponding to stroke buffers and carry out shock eliminator to be higher than.Therefore,
The deceleration conditions of accurate monitoring carriage are very crucial.
Utility model content
For this purpose, the elevator, which has, subtracts stroke buffers, institute the utility model proposes a kind of monitoring system for elevator
State the deceleration conditions that monitoring system is configured to monitoring lift car, wherein the monitoring system includes input/Monitor And Control Subsystem,
Input/the Monitor And Control Subsystem has two speed detectors for generating an input signal respectively, the input signal table
Levy the instantaneous velocity of lift car;Logic subsystem, the logic subsystem are connect with the input/Monitor And Control Subsystem signal,
The logic subsystem is configured to receive the input signal generated by described two speed detectors and based on the input
Signal judges the deceleration conditions and logical synchronization of lift car;Output/executive subsystem, the output/executive subsystem
It connect and has there are two Safety output relay with the logic subsystem signal, the output/executive subsystem is configured to
The unusual slowdown of lift car is judged in the logic subsystem or is believed by the input that described two speed detectors generate
Number each other at least one of described two Safety output relays are not cut off in the case where logical synchronization.
Advantageously, the logic subsystem have safety PLC and being configured to carried out by means of safety PLC described in sentence
It is disconnected.
Advantageously, the safety PLC is stored with the function for judging the logical synchronization.
Advantageously, the safety PLC is stored with the predefined parameter for judging the deceleration conditions.
Advantageously, described two speed detectors are the first photoelectric sensor and the second photoelectric sensor, described the
One photoelectric sensor and the second photoelectric sensor are configured to generate the first input pulse signal and the second input pulse signal respectively,
The instantaneous velocity of the pulse spacing of the first input pulse signal and the second input pulse signal characterization lift car.
Advantageously, the contact series of described two Safety output relays are in an elevator safety loop, the electricity
Terraced safety return circuit be configured to when its disconnect when elevator by stop.
Advantageously, the monitoring system has for judging that elevator reaches the terminal location of end station decelerating area starting point
Magnetic switch and for judge elevator reach end station decelerating area terminating point end mark magnetic switch, the terminal location magnetic switch
It is connect with the end mark magnetic switch with the logic subsystem signal.
Advantageously, the monitoring system has the power supply for powering to monitoring system.
Advantageously, the monitoring system has the malfunction indicator lamp for showing the operating status of elevator.
Other side according to the present utility model proposes a kind of elevator, and the elevator, which has, subtracts stroke buffers, described
Elevator has monitoring system according to the present utility model.
Monitoring system according to the present utility model is outputting and inputting aspect respectively dual input or output and is inputting
It can be realized self-test with associated components inside output subsystem, thus significantly improve the security level of elevator, existed with meeting elevator
Using when subtracting stroke buffers to secure context proposed requirement.Safety PLC in monitoring system according to the present utility model
Correspondingly also meet the requirement of secure context.
Detailed description of the invention
The embodiments of the present invention are illustrated in more detail below in conjunction with attached drawing.
The connection schematic diagram of each building blocks of function of Fig. 1 monitoring system according to the present utility model, for elevator;
The configuration diagram of monitoring system in Fig. 2 Fig. 1.
In the accompanying drawings, same or similar and component functionally identical or similar is shown with same appended drawing reference.Attached drawing is only
For carrying out schematic illustration to the utility model, without being defined to the protection scope of the utility model.
Specific embodiment
Fig. 1 shows the connection schematic diagram of each building blocks of function of monitoring system according to the present utility model, for elevator.Root
Monitoring elevator is provided in the deceleration conditions of its end station decelerating area and based on institute according to the monitoring system of the utility model
The deceleration conditions monitored control the operation of elevator.The monitoring system includes input/Monitor And Control Subsystem I, logic subsystem L
With output/executive subsystem O.Input/Monitor And Control Subsystem I connect with logic subsystem L signal and flogic system also with output/
The connection of executive subsystem O signal.
Input/Monitor And Control Subsystem I has First Speed detection device 2 and second speed detection device 3, for detecting elevator
The instantaneous velocity of carriage.First and second speed detectors 2,3 can be photoelectric sensor.When elevator is in end station decelerating area
When middle deceleration, the first and second photoelectric sensors 2,3 can scan particular speed monitoring code plate 1 and generate the first input respectively
Pulse signal and the second input pulse signal.First and second speed detectors 2,3 are also possible to the sensor of other forms,
Such as magnetoelectric transducer, Hall sensor etc..First input pulse signal and the second input pulse signal are connected by signal respectively
Sending and receiving are sent to safety PLC (programmable logic controller (PLC), Programmable Logic Controller) 4, and safety PLC 4 is
A part of logic subsystem L.
As it was noted above, logic subsystem L has a safety PLC 4, the safety PLC 4 is received and to analyze processing first defeated
Enter pulse signal and the second input pulse signal.Safety PLC 4 is by the first pulse spacing and second of the first input pulse signal
Second pulse spacing of input pulse signal is compared with the pulse spacing parameter of 4 storage inside of safety PLC respectively.When
When one pulse spacing was less than corresponding pulse spacing parameter, it is abnormal that safety PLC 4 judges that elevator slows down in end station decelerating area
And the first Safety output relay 5, the first Safety output relay 5 and 4 signal of safety PLC are sent by judging result
It connects and is output/executive subsystem O a part, the first Safety output relay 5, which receives, corresponded to for the first pulse spacing
Judging result and disconnection.In addition, 5 feedback contact of the first safety relay access safety PLC 4 is for detecting the first safety
The normal operation of output relay 5.When being less than corresponding pulse spacing parameter in the second pulse spacing, safety PLC 4 judges electricity
Ladder slows down abnormal in end station decelerating area and sends the second Safety output relay 6, second safety for judging result
Output relay 6 connect with 4 signal of safety PLC and is output/executive subsystem O a part, the second Safety output relay
Device 6 receives the judging result about the second pulse spacing and disconnection.Similarly, 6 feedback contact of the second Safety output relay
Access safety PLC 4 is used to detect the normal operation of the second Safety output relay 6.Alternatively, safety PLC 4 can be based on the
One input pulse signal and the second input pulse signal seek the first instantaneous velocity and the second instantaneous velocity respectively and divide them
It is not compared with the instantaneous velocity parameter stored.When the first instantaneous velocity is greater than instantaneous velocity parameter, safety PLC 4 is sentenced
Power-off ladder slows down abnormal in end station decelerating area and sends the first Safety output relay 5, the first safety for judging result
Output relay 5 receives the judging result corresponding to the first instantaneous velocity and disconnection.When the second instantaneous velocity is greater than instantaneous speed
When spending parameter, safety PLC 4 judges that elevator slows down abnormal in end station decelerating area and sends the second safety for judging result
Output relay 6, the second Safety output relay 6 receive the judging result corresponding to the second instantaneous velocity and disconnection.
In addition, safety PLC 4 also detects the logical synchronization between the first input pulse signal and the second input pulse signal
Property.For example, when the first and second speed detectors 2,3 are arranged on sustained height, the first input pulse signal and second
Input pulse signal should synchronize in time.However, the logical synchronization in the utility model does not mean that one is scheduled on the time
Upper synchronization, but meet certain logical relation function in other words between the first input pulse signal and the second input pulse signal
Relationship, the logical relation or functional relation are stored in safety PLC 4.It is easily understood that the first input pulse signal
And the second logical synchronization between input pulse signal can also use patrolling between the first instantaneous velocity and the second instantaneous velocity
Synchronism is collected to replace.When safety PLC 4 judges the first input pulse signal and the second input pulse signal or first instantaneously
When not having logical synchronization between speed and the second instantaneous velocity, safety PLC 4 determines the first and second speed detectors
At least one operation troubles or damage in 2,3.The judgement result of safety PLC 4 is sent to output/executive subsystem O, so that the
One and second at least one in Safety output relay 5,6 disconnected based on the judgement result.
First Safety output relay 5 and the second Safety output relay 6 are connected in an elevator safety loop 14.
Only when the elevator safety loop 14 is closed, elevator is run.As a result, when in the first and second Safety output relays 5,6 at least
One when being disconnected, elevator is run by stop.
Input/Monitor And Control Subsystem I also has terminal location magnetic switch 7, end mark magnetic switch 8 and elevator run signal 9.
Terminal location magnetic switch 7 is connect with 4 signal of safety PLC, for judging that elevator enters end station decelerating area starting point.Terminal mark
Will magnetic switch 8 is connect with 4 signal of safety PLC, for judging that elevator reaches end station decelerating area terminating point.The elevator operation
Signal 9 is sent in safety PLC 4, for judging whether elevator runs.In addition to the first Safety output relay 5 and the second safety
Other than output relay 6, output/executive subsystem O also has permission automatic running relay 11.Allow automatic running relay
Device 11 is connect with 4 signal of safety PLC and feedback contact access safety PLC 4, for allowing or preventing the express of elevator to transport
Row.Terminal location magnetic switch 7, end mark magnetic switch 8, elevator run signal 9 and allow automatic running relay 11 again together with
Safety PLC 4 constitutes the self-learning module of monitoring system according to the present utility model.When monitoring system is in self study process,
Judge that elevator is in operation according to elevator run signal 9 by safety PLC first, then safety PLC 4 is remembered when elevator is run
It records between the time point that the time point that terminal location magnetic switch 7 triggers triggers to end mark magnetic switch 8, i.e. elevator subtracts in end station
By the form of the received input pulse signal of speed detector during running in fast region, and safety PLC 4 will be recorded
Input pulse signal form and safety PLC 4 in the predefined signal aspect that is stored be compared.It is defeated when what is recorded
Enter pulse signal form it is consistent with predefined signal aspect when, then it is assumed that the elevator operation program and reality set in safety PLC 4
The field erected particular speed monitoring code plate 1 in border matches, and the control of safety PLC 4 at this time, which is connected, allows automatic running relay
11, thus elevator is allowed to carry out express operation.Otherwise, disconnecting allows automatic running relay 11, and elevator is transported without express
Row.In addition, monitoring system according to the present utility model is disconnected without self study allows automatic running relay
Device 11, elevator can not carry out express operation.
In addition, monitoring system according to the present utility model also has manual reset switch 10 and malfunction indicator lamp 12.Manually
Reset switch 10 is connect with safety PLC signal.Malfunction indicator lamp 12 can be directly integrated in safety PLC, can also be with safety
The connection of PLC signal.Malfunction indicator lamp 12 can be the LED exported in a manner of binary combination.Malfunction indicator lamp 12 can be more
Road malfunction indicator lamp 12, such as four tunnel malfunction indicator lamp 12, it is fast for installation or maintenance staff for showing the failure of different stage
Fast fault point.For example, when self study failure or the related accessory damage of self-learning module, according to the utility model
Monitoring system judgement Low Fault has occurred, malfunction indicator lamp 12 only shows fault code at this time, and safety PLC will not be cut off
Elevator safety loop 14, thus elevator is still in operation.However, when speed monitoring modular unit damages or detects elevator
When cannot normally slow down in terminal area, High Fault is had occurred in monitoring system judgement according to the present utility model, then failure
Indicator light 12 correspondingly shows fault code, while safety PLC cuts off elevator safety loop 14 at once, thus stop elevator.?
In the case where High Fault, safety PLC can also additionally lock output, and elevator is prevented to be again started up operation.Only work as professional people
After member has checked failure and pressed manual reset switch 10, the operation of elevator could restore.In addition, for the sake of security, it is high
After grade failure occurs, monitoring system according to the present utility model is reset to self-studying mode, and only self study finishes again,
It could admission velocity monitoring mode.Malfunction indicator lamp 12 may be set to be the operation conditions for also showing elevator.
In addition, monitoring system according to the present utility model further includes power supply 13, for powering to entire monitoring system.
Fig. 2 shows the architecture diagrams of monitoring system according to the present utility model, illustrate only in Fig. 2 according to monitoring system
Partial component.As shown in Fig. 2, monitoring system according to the present utility model include input/Monitor And Control Subsystem I, logic subsystem L and
Output/executive subsystem O.Input/Monitor And Control Subsystem I is connect with logic subsystem L signal, input/Monitor And Control Subsystem I
One and second speed detection device 2,3 send logic subsystem for the first input pulse signal and the second input pulse signal respectively
Unite L safety PLC in, in a manner of hereinbefore described and principle realize input/Monitor And Control Subsystem I dual input and mutually
Lock self-test.Flogic system is connect with output/executive subsystem O signal again, and the safety PLC 4 of logic subsystem L will be obtained
Judging result etc. is sent to the first and second safety relay of output/executive subsystem O 5,6, thus with hereinbefore described
Mode and principle realize output/executive subsystem O doubleway output and interlocking self-test.
Monitoring system according to the present utility model is outputting and inputting aspect respectively dual input or output and is inputting
It can be realized self-test with associated components inside output subsystem, thus significantly improve the security level of elevator, existed with meeting elevator
Using when subtracting stroke buffers to secure context proposed requirement.Safety PLC in monitoring system according to the present utility model
Correspondingly also meet the requirement of secure context.
Embodiment in specification illustrates the utility model with being merely illustrative, without making to the scope of the utility model
Limitation, feature therein can combine in the manner known to persons skilled in the art and/or modification and without departing from the utility model
Protection scope.
Claims (10)
1. a kind of monitoring system for elevator, the elevator, which has, subtracts stroke buffers, and the monitoring system is configured to monitor
The deceleration conditions of lift car, which is characterized in that the monitoring system includes
Input/Monitor And Control Subsystem, the input/Monitor And Control Subsystem have two velocity measurings for generating an input signal respectively
Device, the instantaneous velocity of the input signal characterization lift car;
Logic subsystem, the logic subsystem are connect with the input/Monitor And Control Subsystem signal, the logic subsystem configuration
At receiving the input signal that is generated by described two speed detectors and judge lift car based on the input signal
Deceleration conditions and logical synchronization;
Output/executive subsystem, the output/executive subsystem connect with the logic subsystem signal and have there are two peace
Full output relay, the output/executive subsystem are configured to judge the unusual slowdown of lift car in the logic subsystem
Or the input signal generated by described two speed detectors does not cut off described two peaces in the case where logical synchronization each other
At least one of full output relay.
2. the monitoring system according to claim 1 for elevator, which is characterized in that the logic subsystem has safety
It PLC and is configured to carry out the judgement by means of safety PLC.
3. the monitoring system according to claim 2 for elevator, which is characterized in that the safety PLC, which is stored with, to be used for
Judge the function of the logical synchronization.
4. the monitoring system according to claim 2 for elevator, which is characterized in that the safety PLC, which is stored with, to be used for
Judge the predefined parameter of the deceleration conditions.
5. the monitoring system according to claim 1 or 2 for elevator, which is characterized in that described two velocity measuring dresses
It is set to the first photoelectric sensor and the second photoelectric sensor, first photoelectric sensor and the second photoelectric sensor configure ingredient
The first input pulse signal and the second input pulse signal, the first input pulse signal and the second input pulse letter are not generated
Number pulse spacing characterization lift car instantaneous velocity.
6. the monitoring system according to claim 1 or 2 for elevator, which is characterized in that described two Safety outputs after
In an elevator safety loop, the elevator safety loop is configured to the elevator when it is disconnected and is made the contact series of electric appliance
Stop.
7. the monitoring system according to claim 1 or 2 for elevator, which is characterized in that the monitoring system, which has, to be used
In the terminal location magnetic switch for judging elevator arrival end station decelerating area starting point and for judging that elevator reaches end station deceleration area
The end mark magnetic switch of domain terminating point, the terminal location magnetic switch and the end mark magnetic switch and the logic subsystem
Signal of uniting connects.
8. the monitoring system according to claim 1 or 2 for elevator, which is characterized in that the monitoring system, which has, to be used
In the power supply powered to monitoring system.
9. the monitoring system according to claim 1 or 2 for elevator, which is characterized in that the monitoring system, which has, to be used
In the malfunction indicator lamp of the operating status of display elevator.
10. a kind of elevator, the elevator, which has, subtracts stroke buffers, which is characterized in that the elevator has according to aforementioned right
It is required that described in any item monitoring systems.
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110304507A (en) * | 2018-03-27 | 2019-10-08 | 蒂森克虏伯电梯(上海)有限公司 | Monitoring system for elevator |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110304507A (en) * | 2018-03-27 | 2019-10-08 | 蒂森克虏伯电梯(上海)有限公司 | Monitoring system for elevator |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 201602 No.2 Xunye Road, Sheshan District, Songjiang Industrial Zone, Songjiang District, Shanghai Patentee after: Tisheng elevator (Shanghai) Co.,Ltd. Address before: 201602 No.2 Xunye Road, Sheshan District, Songjiang Industrial Zone, Songjiang District, Shanghai Patentee before: ThyssenKrupp Elevator (Shanghai) Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |