CN109353923B - Elevator layer door lock short circuit detects and positioner - Google Patents
Elevator layer door lock short circuit detects and positioner Download PDFInfo
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- CN109353923B CN109353923B CN201811358755.3A CN201811358755A CN109353923B CN 109353923 B CN109353923 B CN 109353923B CN 201811358755 A CN201811358755 A CN 201811358755A CN 109353923 B CN109353923 B CN 109353923B
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 59
- 238000012545 processing Methods 0.000 claims abstract description 53
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000001133 acceleration Effects 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000002452 interceptive effect Effects 0.000 claims description 4
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- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
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- 101100533625 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) drc-4 gene Proteins 0.000 description 1
- 101150033482 SLD2 gene Proteins 0.000 description 1
- 101100533627 Schizosaccharomyces pombe (strain 972 / ATCC 24843) drc1 gene Proteins 0.000 description 1
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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
- B66B13/143—Control systems or devices 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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- 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
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Automation & Control Theory (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention relates to a detection and positioning device for a door lock short circuit of an elevator landing door, belonging to the technical field of elevator fault detection; the device comprises: the safety and door lock circuit state monitoring module is used for monitoring the on-off states of the safety circuit and the landing door lock circuit in real time and storing related waveforms and data; the elevator car door and landing door opening and closing monitoring module is used for monitoring the opening and closing states of the elevator car door and landing door in real time and storing related waveforms and data; the car position monitoring module is used for monitoring the position of the car in real time and storing relevant position data; and the synchronous triggering and signal analyzing module is connected with the modules and used for sending synchronous signals to the modules, collecting relevant waveforms and data of the modules for comprehensive analysis and processing, judging whether the elevator landing door lock is in short circuit or not and positioning the short circuit position. The device simple structure, installation convenient to use can the short circuit hidden danger of short circuit of the door of short circuit of the quick detection and location layer for can in time discover and eliminate hidden danger, ensure elevator safe operation.
Description
Technical Field
The invention relates to a detection and positioning device for a door lock short circuit of an elevator landing door, and belongs to the technical field of elevator fault detection.
Background
With the rapid development of economy and the continuous deepening of town process, elevators are popularized, and the safety protection of the elevators is becoming more and more important, so that the elevator safety accidents caused by the reasons of short circuit of an electric safety circuit to ground, faults of the electric safety circuit and the like are frequent because the electric safety device of the elevator is short-circuited and the electric circuit is aged. Therefore, how to find hidden trouble in an elevator electric safety circuit early by a detection means, so that prevention of such accidents has become an important subject in the elevator industry.
Disclosure of Invention
The invention provides a detection and positioning device for a door lock short circuit of an elevator landing door, which is characterized in that a safety and door lock circuit state monitoring module, a car door and a landing door opening and closing monitoring module are used for respectively detecting the on-off states of a safety circuit and a landing door lock circuit and the opening and closing states of the car door and the landing door, comprehensively judging whether the landing door lock is in short circuit or not, detecting the displacement of a car through a car position monitoring module, and calculating the position of the landing door lock with short circuit by combining the initial position of the car.
The technical scheme of the invention is an elevator landing door lock short circuit detection and positioning device, which comprises: the safety and door lock circuit state monitoring module is used for monitoring the on-off states of the safety circuit and the landing door lock circuit in real time and storing related waveforms and data; the elevator car door and landing door opening and closing monitoring module is used for monitoring the opening and closing states of the elevator car door and landing door in real time and storing related waveforms and data; the car position monitoring module is used for monitoring the position of the car in real time and storing relevant position data; and the synchronous triggering and signal analyzing module is connected with the modules and used for sending synchronous signals to the modules, collecting relevant waveforms and data of the modules for comprehensive analysis and processing, judging whether the elevator landing door lock is in short circuit or not and positioning the short circuit position.
As a further improvement of the technical scheme, the synchronous triggering and signal analyzing module is in wireless connection with the car door and landing door opening and closing monitoring module, and the synchronous triggering and signal analyzing module is in wireless connection or wired connection with the safety and door lock circuit state monitoring module and the car position monitoring module.
As a further improvement of the technical scheme, the safety and door lock circuit comprises a power supply anode and a power supply cathode, wherein a safety circuit formed by connecting a plurality of safety switches in series, a landing door lock circuit formed by connecting a plurality of landing door lock switches in series, a car door switch circuit, a safety relay and a door lock relay are arranged between the power supply anode and the power supply cathode; one end of the safety circuit is connected with the positive electrode of the power supply, and the other end of the safety circuit is connected with the negative electrode of the power supply through the safety relay on one hand, and sequentially connected with the negative electrode of the power supply through the car door switch circuit, the landing door lock circuit and the door lock relay which are connected in series on the other hand.
As a further improvement of the technical scheme, the safety and door lock circuit state monitoring module comprises a first current monitoring module, a second current monitoring module and a first signal processing and recording module; the first current monitoring module is connected in series between the safety relay and the negative electrode of the power supply and is used for monitoring the on-off state of the safety circuit; the second current monitoring module is connected in series between the door lock relay and the negative electrode of the power supply and is used for monitoring the on-off states of the car door switching circuit and the landing door locking circuit; the first current monitoring module and the second current monitoring module are respectively connected with the first signal processing and recording module, the first signal processing and recording module is connected with the synchronous triggering and signal analyzing module, and the first signal processing and recording module is used for collecting and storing current signals of the two current monitoring modules, binarizing the current signals and then sending the binarized current signals to the synchronous triggering and signal analyzing module.
As a further improvement of the technical scheme, the car door and landing door opening and closing monitoring module comprises a first sensor and a second signal processing and recording module connected with the first sensor; the first sensor and the second signal processing and recording module are arranged in the car and used for monitoring the opening and closing states of the car door and the landing door, and the second signal processing and recording module collects and stores related signals acquired by the first sensor and sends the signals to the synchronous triggering and signal analyzing module after binarization processing.
As a further improvement of the technical scheme, the car position monitoring module comprises an acceleration sensor and a third signal processing and recording module connected with the acceleration sensor; the acceleration sensor and the third signal processing and recording module are arranged in the car together, and the third signal processing and recording module is used for filtering and integrating the acceleration signal of the car acquired by the acceleration sensor, calculating the relative displacement value of the car and sending the relative displacement value to the synchronous triggering and signal analyzing module.
As a further improvement of the technical scheme, the car door and landing door opening and closing monitoring module comprises a first sensor, the car position monitoring module comprises an acceleration sensor, the first sensor and the acceleration sensor are respectively connected to a fourth signal processing and recording module, and the first sensor, the acceleration sensor and the fourth signal processing and recording module are all arranged in the car; the fourth signal processing and recording module collects and stores the related signals acquired by the first sensor, binarizes the related signals and sends the binarized signals to the synchronous triggering and signal analyzing module, and filters and integrates the acceleration signals of the elevator car acquired by the acceleration sensor to calculate the relative displacement value of the elevator car and sends the relative displacement value to the synchronous triggering and signal analyzing module.
As a further improvement of the technical scheme, the car position monitoring module comprises a rotary encoder with rollers and a fifth signal processing and recording module, wherein the rollers of the rotary encoder are in rolling contact with the steel wire rope of the traction sheave or the speed limiter wheel, and the fifth signal processing and recording module is used for calculating the displacement of the car according to signals generated by the rotary encoder and sending the displacement to the synchronous triggering and signal analyzing module.
As a further improvement of the technical scheme, the initial position of the car at the moment of sending the synchronous signal is recorded in the synchronous triggering and signal analyzing module.
As a further improvement of the technical scheme, the synchronous triggering and signal analyzing module is also used for providing an interactive interface to display elevator landing door lock short circuit fault information and fault positioning thereof.
The beneficial effects of the invention are as follows:
According to the elevator landing door lock short circuit detection and positioning device, the elevator state information is not required to be acquired from an elevator control system, the elevator control system is not required to be interfered, and the working state of the elevator landing door lock can be accurately known by detecting the opening and closing states of elevator landing doors and landing doors, the on-off states of a safety circuit and landing door lock circuit and the position of an elevator car, so that the landing door lock short circuit hidden danger can be rapidly detected and positioned.
Drawings
FIG. 1 is a block diagram of an apparatus according to the present invention;
FIG. 2 is a block diagram illustrating a security and door lock circuit status monitoring module according to one embodiment of the present invention;
FIG. 3 is a schematic block diagram of a security and door lock circuit according to one embodiment of the invention;
FIG. 4 is a schematic block diagram of a security and door lock circuit condition monitoring based on the circuit of FIG. 3 in accordance with an embodiment of the invention;
Fig. 5 is a schematic block diagram of a car door and landing door opening and closing monitoring according to an embodiment of the present invention;
Fig. 6 is a functional block diagram of car position monitoring according to an embodiment of the present invention;
Fig. 7 is a functional block diagram of car position monitoring according to another embodiment of the present invention;
fig. 8 is a schematic block diagram of a car door and landing door opening and closing and car position combination monitoring according to an embodiment of the present invention.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present invention.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any combination of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various modules, these modules should not be limited by these terms. These terms are only used to distinguish one module of the same type from another. For example, a first current monitoring module may also be referred to as a second current monitoring module, and similarly, a second current monitoring module may also be referred to as a first current monitoring module, without departing from the scope of the present disclosure. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate embodiments of the invention and does not pose a limitation on the scope of the invention unless otherwise claimed.
Referring to fig. 1, an embodiment of the invention discloses a detection and positioning device for a door lock short circuit of an elevator landing door, which comprises: the safety and door lock circuit state monitoring module is used for monitoring the on-off states of the safety circuit and the landing door lock circuit in real time and storing related waveforms and data; the elevator car door and landing door opening and closing monitoring module is used for monitoring the opening and closing states of the elevator car door and landing door in real time and storing related waveforms and data; the car position monitoring module is used for monitoring the position of the car in real time and storing relevant position data; and the synchronous triggering and signal analyzing module is connected with the modules and used for sending synchronous signals to the modules, collecting relevant waveforms and data of the modules for comprehensive analysis and processing, judging whether the elevator landing door lock is in short circuit or not and positioning the short circuit position.
Because the car door and the landing door opening and closing monitoring module are placed in the car to move along with the car when the device is used for detection, no one is in the car during detection, and in order to send synchronous signals to each module outside the elevator, check detection data and analysis results, the synchronous triggering and signal analysis module is in wireless connection with the car door and the landing door opening and closing monitoring module. For elevators with a machine room, an elevator control cabinet where a safety and door lock circuit is located is usually located in the machine room, and for elevators without a machine room, the elevator control cabinet where the safety and door lock circuit is located is usually placed in a hoistway, and as the elevator control cabinet cannot move along with a car, the synchronous triggering and signal analysis module and the safety and door lock circuit state monitoring module can be connected in a wired or wireless mode. In addition, the car position monitoring module comprises two forms, namely an acceleration sensor form and a rotary encoder form, and when the form of the acceleration sensor is adopted, the car position monitoring module moves along with the car, and the synchronous triggering and signal analyzing module is suitable for being connected with the car position monitoring module in a wireless manner; when the rotary encoder is adopted, the car position monitoring module is positioned in the well and does not move along with the car, and the synchronous triggering and signal analyzing module and the car position monitoring module can be connected in a wireless or wired mode.
In one embodiment, the safety and door lock circuit comprises a power supply anode and a power supply cathode, wherein a safety circuit formed by connecting a plurality of safety switches in series, a landing door lock circuit formed by connecting a plurality of landing door lock switches in series, a car door switch circuit, a safety relay and a door lock relay are arranged between the power supply anode and the power supply cathode; one end of the safety circuit is connected with the positive electrode of the power supply, and the other end of the safety circuit is connected with the negative electrode of the power supply through the safety relay on one hand, and sequentially connected with the negative electrode of the power supply through the car door switch circuit, the landing door lock circuit and the door lock relay in series on the other hand. As shown in fig. 3, L1 represents a safety circuit, SCD represents a car door switch, SL represents a landing door lock circuit, SLD represents landing door lock switches distributed in a hoistway (SLD 1 represents a first landing door lock switch, SLD2 represents a second landing door lock switch, SLDN represents an nth landing door lock switch), and KS1 and KS2 represent a safety relay and a door lock relay, respectively; only when all safety switches in the safety circuit are turned on, the coil of the safety relay can be powered; only when all safety switches, car door switches and all landing door lock switches in the safety circuit are all switched on (under normal conditions, when an elevator car stops at a certain landing, the opening or closing of the car door can drive the opening or closing of the landing door, and when the car door is closed, the car door switch can be switched on, and when the landing door is closed, the landing door lock switch can be switched on), the coil of the door lock relay can be powered on, and when the coil of the safety relay and the coil of the door lock relay are powered on, the elevator can normally run.
Referring to fig. 2 and 4, based on the safety and door lock circuit of fig. 3, the safety and door lock circuit state monitoring module includes a first current monitoring module; the first current monitoring module is connected in series between the safety relay and the negative electrode of the power supply, and is used for detecting a current signal flowing through the safety relay and monitoring the on-off state of the safety circuit; the second current monitoring module is connected in series between the door lock relay and the negative electrode of the power supply, detects a current signal flowing through the door lock relay and is used for monitoring the on-off states of the car door switching circuit and the landing door locking circuit; the first current monitoring module and the second current monitoring module are respectively connected with the first signal processing and recording module, wherein the first signal processing and recording module is connected with the synchronous triggering and signal analyzing module, the first signal processing and recording module is used for collecting and storing current signals of the two current monitoring modules, and the current signals are subjected to binarization processing (for example, 0 indicates that the current monitoring module does not detect the current signals, the relay coil is powered off, 1 indicates that the current monitoring module detects the current signals, and the relay coil is powered on) and then sent to the synchronous triggering and signal analyzing module.
Referring to fig. 5, the car door and landing door opening and closing monitoring module includes a first sensor and a second signal processing and recording module connected with the first sensor; the first sensor and the second signal processing and recording module are arranged in the lift car and used for monitoring the opening and closing states of the lift car door and the landing door, the second signal processing and recording module collects and stores related signals acquired by the first sensor and transmits the related signals to the synchronous triggering and signal analyzing module after binarization processing (for example, 0 indicates that the first sensor receives reflected detection signals and the lift car door and/or the landing door are in a closed state; 1 indicates that the first sensor does not receive the reflected detection signals and the lift car door and the landing door are in an open state); the first sensor may be a laser ranging sensor, an infrared sensor, an ultrasonic ranging sensor, or a proximity switch.
In order to position the floor where the hidden danger of the landing door short circuit is located, the car position monitoring module can be realized through two types of device modules:
Referring to fig. 6, in one embodiment, the car position monitoring module includes an acceleration sensor and a third signal processing and recording module connected thereto; the acceleration sensor and the third signal processing and recording module are arranged in the lift car together, the third signal processing and recording module is used for carrying out filtering processing and twice integration on the acceleration signal of the lift car acquired by the acceleration sensor, calculating the relative displacement value of the lift car, sending the relative displacement value to the synchronous triggering and signal analyzing module, and recording the initial position of the lift car when the synchronous triggering and signal analyzing module sends synchronous signals to each module.
Referring to fig. 7, in another embodiment, the car position monitoring module includes a rotary encoder with a roller in rolling contact with the wire rope of the traction sheave or the speed limiter sheave, and a fifth signal processing and recording module for calculating the displacement of the car according to the signal generated by the rotary encoder and transmitting to the synchronous triggering and signal analyzing module. When the lift car moves, the steel wire rope moves to drive the roller to roll, the rolling of the roller enables the rotary encoder to generate relevant pulse signals, the pulse signals are processed and calculated to obtain the relative displacement value of the steel wire rope, and the relative displacement of the lift car is equal to the relative displacement of the steel wire rope of the speed limiter wheel or the quotient of the relative displacement of the steel wire rope of the traction wheel and the traction ratio.
Referring to fig. 8, when the car position monitoring module measures the car position by using the sensor including the acceleration sensor, the car position monitoring module may share a fourth signal processing and recording module with the first sensor of the car door and landing door opening and closing monitoring module, and at this time, the car position monitoring module includes the acceleration sensor, the first sensor and the acceleration sensor are respectively connected to the fourth signal processing and recording module, and when detecting, the first sensor, the acceleration sensor and the fourth signal processing and recording module are all disposed in the car; the fourth signal processing and recording module collects and stores the related signals acquired by the first sensor, binarizes the related signals and sends the binarized signals to the synchronous triggering and signal analyzing module, and filters and integrates the acceleration signals of the elevator car acquired by the acceleration sensor twice to calculate the relative displacement value of the elevator car and sends the relative displacement value to the synchronous triggering and signal analyzing module.
In order to facilitate the use, in one embodiment, the synchronous triggering and signal analyzing module adopts a handheld tablet computer, when the elevator is started to detect, synchronous signals are sent to the safety and door lock circuit state monitoring module, the car door and landing door opening and closing monitoring module and the car position monitoring module through wired or wireless communication, so that all the modules start to work and record related data at the same time, and the synchronous triggering and signal analyzing module collects data transmitted by all the modules to carry out comprehensive analysis processing and displays elevator landing door lock short circuit fault information and fault positioning thereof.
In another embodiment, when the elevator control cabinet is placed in the machine room, the safety and door lock circuit state monitoring module and the synchronous triggering and signal analysis module can be integrated together, that is, the functions of the synchronous triggering and signal analysis module are added on the basis of the safety and door lock circuit state monitoring module, an interactive interface is provided, and when the elevator control cabinet is detected, detection personnel perform detection operation in the machine room.
In a specific application scene, the synchronous triggering and signal analyzing module adopts iPad, the car position monitoring module adopts an acceleration sensor, and the elevator landing door lock short circuit detecting and positioning device detects by the following method:
1) Shorting the car door switch to enable the car door switch circuit to be conducted but the car door to be in an open state, installing and placing each monitoring module as shown in fig. 4-8, and opening each module to enable each module to be in a ready state;
2) Calling the elevator car to a certain floor (the highest priority floor), triggering all landing stop switches, using a synchronous triggering and signal analyzing module to send synchronous signals to a safety and door lock circuit state monitoring module, an elevator door and landing door opening and closing monitoring module and an elevator car position monitoring module, enabling all modules to start running monitoring, and recording the initial position of the elevator car at the moment;
3) When the elevator car reaches the bottommost layer, a synchronous triggering and signal analyzing module is used for sending stop signals to a safety and door lock circuit state monitoring module, a car door and landing door opening and closing monitoring module and a car position monitoring module, so that each module stops monitoring, and meanwhile, data signals collected by each module are collected.
4) The synchronous triggering and signal analyzing module automatically analyzes and processes the collected data signals: the car door and landing door open and close states (0 represents closed and 1 represents open), the safety relay coil states (0 represents power loss and 1 represents power acquisition), and the door lock relay coil states (0 represents power loss and 1 represents power acquisition); the signals of the opening states of the car door and the landing door are analyzed one by one, and the opening states of the car door are 1 because the car door is in an open state and the car door switch is turned on, so that the opening states of the car door are 1 all the time, when the opening states of the car door and the landing door of a certain landing, the coil states of the safety relay and the coil states of the door lock relay are 1 simultaneously in the elevator operation process, the landing door of the landing is indicated to be latched in a hidden short circuit trouble (under normal conditions, the coil states of the door lock relay should be in power failure when the opening states of the landing door are in the opening states); the synchronous triggering and signal analyzing module can calculate the number of floors where the hidden danger of short circuit is located according to the initial position of the lift car and the relative displacement value of the lift car.
The present invention is not limited to the above embodiments, but can be modified, equivalent, improved, etc. by the same means to achieve the technical effects of the present invention, which are included in the spirit and principle of the present invention. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the invention.
Claims (8)
1. Elevator layer door lock short circuit detects and positioner, its characterized in that includes:
The safety and door lock circuit state monitoring module is used for monitoring the on-off states of a safety circuit and a landing door lock circuit in real time and storing related waveforms and data, the safety and door lock circuit comprises a power anode and a power cathode, and a safety circuit formed by connecting a plurality of safety switches in series, a landing door lock circuit formed by connecting a plurality of landing door lock switches in series, a car door switch circuit, a safety relay and a door lock relay are arranged between the power anode and the power cathode; one end of the safety circuit is connected with the positive electrode of the power supply, the other end of the safety circuit is connected with the negative electrode of the power supply through a safety relay on one hand, and the other end of the safety circuit is connected with the negative electrode of the power supply through a car door switch circuit, a landing door lock circuit and a door lock relay which are connected in series in sequence, and when all the safety switches in the safety circuit are connected, the coils of the safety relay can be powered on; only when all the safety switches, the car door switches and all the landing door lock switches in the safety circuit are all switched on, the coils of the door lock relay are all electrified, and the coils of the safety relay and the coils of the door lock relay are all electrified, the elevator operates;
The elevator car door and landing door opening and closing monitoring module is used for monitoring the opening and closing states of the elevator car door and landing door in real time and storing related waveforms and data;
The car position monitoring module is used for monitoring the position of the car in real time and storing relevant position data, and comprises an acceleration sensor and a third signal processing and recording module connected with the acceleration sensor; the acceleration sensor and the third signal processing and recording module are arranged in the car together, the third signal processing and recording module is used for filtering and integrating acceleration signals of the car, collected by the acceleration sensor, calculating relative displacement values of the car and sending the relative displacement values to the synchronous triggering and signal analyzing module, the acceleration sensor at least comprises an acceleration sensor or a rotation selecting encoder, when the car position monitoring module is the acceleration sensor, the position of the car moves along with the car, and when the acceleration sensor is the rotary encoder, the car position monitoring module does not move along with the car;
The synchronous triggering and signal analyzing module is connected with the modules and is used for sending synchronous signals to the modules, collecting relevant waveforms and data of the modules to carry out comprehensive analysis processing, judging whether a door lock of an elevator landing door is in short circuit or not and positioning a short circuit position, acquiring opening and closing state information, safety relay state information and door lock relay state information of a car door and the landing door, analyzing the opening and closing state information, the safety relay state information and the door lock relay state information one by one, and calculating the number of layers of the car where the short circuit hidden danger exists according to the initial position of the car and the relative displacement value of the car by the synchronous triggering and signal analyzing module when the opening and closing state information, the safety relay state information and the door lock relay state information are the same;
when the control cabinet of the elevator is placed in the machine room, the safety and door lock circuit state detection module and the synchronous triggering and signal analysis module are integrated, and an interactive interface is provided to enable detection personnel to perform detection operation in the machine room.
2. The elevator landing door lock shorting detection and positioning device of claim 1, wherein: the synchronous triggering and signal analyzing module is in wireless connection with the car door and landing door opening and closing monitoring module, and the synchronous triggering and signal analyzing module is in wireless connection or wired connection with the safety and door lock circuit state monitoring module and the car position monitoring module.
3. The elevator landing door lock shorting detection and positioning device of claim 1, wherein the safety and door lock circuit state monitoring module comprises a first current monitoring module;
The first current monitoring module is connected in series between the safety relay and the negative electrode of the power supply and is used for monitoring the on-off state of the safety circuit;
The second current monitoring module is connected in series between the door lock relay and the negative electrode of the power supply and is used for monitoring the on-off states of the car door switching circuit and the landing door locking circuit;
the first current monitoring module and the second current monitoring module are respectively connected with the first signal processing and recording module, the first signal processing and recording module is connected with the synchronous triggering and signal analyzing module, and the first signal processing and recording module is used for collecting and storing current signals of the two current monitoring modules, binarizing the current signals and then sending the binarized current signals to the synchronous triggering and signal analyzing module.
4. The elevator landing door lock shorting detection and positioning device of claim 1, wherein: the car door and landing door opening and closing monitoring module comprises a first sensor and a second signal processing and recording module connected with the first sensor; the first sensor and the second signal processing and recording module are arranged in the car and used for monitoring the opening and closing states of the car door and the landing door, and the second signal processing and recording module collects and stores related signals acquired by the first sensor and sends the signals to the synchronous triggering and signal analyzing module after binarization processing.
5. The elevator landing door lock shorting detection and positioning device of claim 1, wherein: the car position monitoring module comprises an acceleration sensor, the first sensor and the acceleration sensor are respectively connected to a fourth signal processing and recording module, and the first sensor, the acceleration sensor and the fourth signal processing and recording module are all arranged in the car; the fourth signal processing and recording module collects and stores the related signals acquired by the first sensor, binarizes the related signals and sends the binarized signals to the synchronous triggering and signal analyzing module, and filters and integrates the acceleration signals of the elevator car acquired by the acceleration sensor to calculate the relative displacement value of the elevator car and sends the relative displacement value to the synchronous triggering and signal analyzing module.
6. The elevator landing door lock shorting detection and positioning device of claim 1, wherein: the car position monitoring module comprises a rotary encoder with a roller and a fifth signal processing and recording module, wherein the roller of the rotary encoder is in rolling contact with a steel wire rope of a traction sheave or a speed limiter wheel, and the fifth signal processing and recording module is used for calculating the displacement of the car according to a signal generated by the rotary encoder and sending the displacement to the synchronous triggering and signal analyzing module.
7. The elevator landing door lock shorting detection and positioning device of claim 1, wherein: and the initial position of the car at the moment of sending the synchronous signal is recorded in the synchronous triggering and signal analyzing module.
8. The elevator landing door lock shorting detection and positioning device of claim 1, wherein: the synchronous triggering and signal analyzing module is also used for providing an interactive interface to display the elevator landing door lock short circuit fault information and the fault positioning thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358755.3A CN109353923B (en) | 2018-11-15 | 2018-11-15 | Elevator layer door lock short circuit detects and positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811358755.3A CN109353923B (en) | 2018-11-15 | 2018-11-15 | Elevator layer door lock short circuit detects and positioner |
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| CN110514417A (en) * | 2019-07-11 | 2019-11-29 | 四川大学 | A kind of switch cabinet handcart shakes the mechanical breakdown localization method into during shaking out |
| CN110451372A (en) * | 2019-08-12 | 2019-11-15 | 永大电梯设备（中国）有限公司 | A kind of confirmation method of elevator switch door performance |
| CN110422718A (en) * | 2019-09-05 | 2019-11-08 | 大连欧意测量仪器有限公司 | Door lock of elevator depth of engagement detector and elevator device |
| CN113942908A (en) * | 2020-07-16 | 2022-01-18 | 奥的斯电梯公司 | Fault location of landing door safety circuit |
| CN113581960B (en) * | 2021-07-30 | 2023-03-14 | 西子电梯科技有限公司 | Safety door monitoring device, elevator and operation method |
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