CN110861985A - Elevator door lock cable detection method and device - Google Patents
Elevator door lock cable detection method and device Download PDFInfo
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- CN110861985A CN110861985A CN201810988746.6A CN201810988746A CN110861985A CN 110861985 A CN110861985 A CN 110861985A CN 201810988746 A CN201810988746 A CN 201810988746A CN 110861985 A CN110861985 A CN 110861985A
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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
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
The utility model relates to a cable detection method for elevator door locks, wherein each elevator door lock is provided with an auxiliary endpoint, and the auxiliary endpoint is used for detecting the electric signal of the elevator door lock; judging whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable; and if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable, judging that the elevator door lock cable is detected normally. The method aims to improve the quality of the elevator door lock cable, detect the door lock cable quickly and efficiently, ensure zero errors of the elevator door lock cable, and have high efficiency and usability of application. The present disclosure also relates to an elevator door lock cable detection device.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a method and a device for detecting a cable of an elevator door lock.
Background
As is well known, with the development of urbanization in china, the number of elevators used is increasing dramatically, and elevator safety is also a focus of attention. Many elevator accidents occur every year, a considerable number of which are caused by elevator door lock failures. Elevator door locks are generally classified into car door locks and hall door locks. The hall door lock is formed by serially connecting hall door locks on each floor. Because all hall door lock signals are connected in series and sent into the interior of the elevator control main board, and when the hall door lock signals or elevator car door locks are short-circuited, the elevator control main board cannot judge the real signals of each hall door lock, and elevator safety accidents are easily caused.
Disclosure of Invention
Based on the above, it is necessary to provide a method and a device for detecting an elevator door lock cable, which can solve the problems of the conventional technology. Specifically, the invention aims to improve the quality of the elevator door lock cable, detect the door lock cable quickly and efficiently, ensure zero error of the elevator door lock cable, and have high efficiency and usability of application.
In a first aspect, an embodiment of the present invention provides an elevator door lock cable detection method, where the method includes: setting an auxiliary endpoint on each elevator door lock, wherein the auxiliary endpoint is used for detecting an electric signal of the elevator door lock; judging whether the electrical signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable; and if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable, judging that the elevator door lock cable is detected normally.
In one embodiment, the logic for determining whether the electrical signal of each elevator door lock satisfies a cable disconnection of an elevator door lock comprises: judging whether a PLC first input point receives the electric signal for detecting the elevator door lock; when the first output point of the PLC corresponding to the first input point of the PLC does not generate an output signal, judging that the elevator door lock cable is in a disconnected state; and when an output signal appears at a first output point of the PLC corresponding to the first input point of the PLC, the first relay executes closing operation.
In one embodiment, the method further comprises the following steps: when the first relay performs a closing operation, the first indicator lamp is in an illuminated state.
In one embodiment, the logic for determining whether the electrical signal of each elevator door lock satisfies a cable disconnection of an elevator door lock comprises: when the first indicator light is in a lighting state, judging whether a first input point of the PLC receives the electric signal for detecting the elevator door lock; if the PLC first input point does not receive the electric signal for detecting the elevator door lock, the PLC second input point is subjected to the detection operation of the electric signal for detecting the elevator door lock; when an output signal appears at a PLC second output point corresponding to the PLC second input point, judging that the elevator door lock cable is in a closed state; and when the PLC second output point corresponding to the PLC second input point does not generate an output signal, judging that the elevator door lock is short-circuited with the elevator door lock cable.
In one embodiment, the logic for determining whether the electrical signal of each elevator door lock satisfies a cable disconnection of an elevator door lock comprises: when the first indicator light is in a lighting state, judging whether a first input point of the PLC receives the electric signal for detecting the elevator door lock; if the PLC first input point does not receive the electric signal for detecting the elevator door lock, after a PLC first output point corresponding to the PLC first input point executes reset operation within preset time, the PLC first input point receives the electric signal for detecting the elevator door lock; and when a second output point of the PLC corresponding to the first input point of the PLC outputs a signal, the second relay executes closing operation.
In one embodiment, the method further comprises the following steps: when the second relay performs a closing operation, the second indicator lamp is in an illuminated state.
In one embodiment, the method further comprises the following steps: judging whether a first input point of the PLC detects an electric signal of an elevator door lock or not when the second indicator light is in a lighting state; if the electric signal of the elevator door lock is not detected, detecting the electric signal of the elevator door lock on a PLC third input point; when a PLC third output point corresponding to the PLC third input point generates an output signal, judging that the elevator door lock cable is in a closed state; and when the PLC third output point corresponding to the PLC third input point does not generate an output signal, judging that the elevator door lock is short-circuited with the elevator door lock cable.
In a second aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the elevator door lock cable detection method of the first aspect.
In a third aspect, an embodiment of the present invention provides a computer program product containing instructions, which when run on a computer, causes the computer to perform the method according to the first aspect.
In a fourth aspect, an embodiment of the present invention further provides an elevator door lock cable detection apparatus, where the apparatus includes: the device comprises a setting module, a detection module and a control module, wherein the setting module is used for setting an auxiliary endpoint on each elevator door lock, and the auxiliary endpoint is used for detecting an electric signal of the elevator door lock; the judging module is used for judging whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable; and the detection judging module is used for judging that the detection of the elevator door lock cable is normal if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable.
The invention provides a method and a device for detecting cables of elevator door locks.A subsidiary endpoint is arranged on each elevator door lock and is used for detecting an electric signal of the elevator door lock; judging whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable; and if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable, judging that the elevator door lock cable is detected normally. The method aims to improve the quality of the elevator door lock cable, detect the door lock cable quickly and efficiently, ensure zero errors of the elevator door lock cable, and have high efficiency and usability of application.
Drawings
Fig. 1 is a schematic flow chart illustrating steps of a cable detection method for an elevator door lock according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating steps of a cable detection method for an elevator door lock according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a main loop in a cable detection method for an elevator door lock according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a main loop in a cable detection method for an elevator door lock according to another embodiment of the present invention;
fig. 5 is a schematic diagram of a main loop in a cable detection method for an elevator door lock according to still another embodiment of the present invention; and
fig. 6 is a schematic structural diagram of an elevator door lock cable detection device in one embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly apparent, the following describes in detail specific embodiments of the elevator door lock cable detection method and apparatus according to the present invention by way of example with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a schematic flow chart of an elevator door lock cable detection method in one embodiment. The method specifically comprises the following steps:
and 102, setting an auxiliary endpoint on each elevator door lock, wherein the auxiliary endpoint is used for detecting an electric signal of the elevator door lock.
And 104, judging whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable.
In one embodiment, the logic to determine whether the electrical signal of each elevator door lock satisfies the logical detection of an elevator door lock cable disconnection comprises: judging whether a first input point of the PLC receives an electric signal for detecting the elevator door lock; when the first output point of the PLC corresponding to the first input point of the PLC does not generate an output signal, judging that the cable of the elevator door lock is in a disconnected state; and when an output signal appears at a first output point of the PLC corresponding to the first input point of the PLC, the first relay executes closing operation. Further, when the first relay performs the closing operation, the first indicator lamp is in an illuminated state.
Further, in one embodiment, the logic to determine whether the electrical signal of each elevator door lock satisfies the logical detection of an elevator door lock cable disconnection comprises: when the first indicator lamp is in a lighting state, judging whether a first input point of the PLC receives an electric signal for detecting the elevator door lock; if the PLC first input point does not receive the electric signal for detecting the elevator door lock, the PLC second input point is subjected to the detection operation of the electric signal for detecting the elevator door lock; when the PLC second output point corresponding to the PLC second input point generates an output signal, judging that the elevator door lock cable is in a closed state; and when the PLC second output point corresponding to the PLC second input point does not generate an output signal, judging that the elevator door lock is in short connection with the elevator door lock cable.
Further, in one embodiment, the logic to determine whether the electrical signal of each elevator door lock satisfies the logical detection of an elevator door lock cable disconnection comprises: when the first indicator lamp is in a lighting state, judging whether a first input point of the PLC receives an electric signal for detecting the elevator door lock; if the first input point of the PLC does not receive the electric signal for detecting the elevator door lock, the first input point of the PLC receives the electric signal for detecting the elevator door lock after the first output point of the PLC corresponding to the first input point of the PLC executes reset operation within preset time; and when the second output point of the PLC corresponding to the first input point of the PLC outputs a signal, the second relay executes closing operation. Further, when the second relay performs the closing operation, the second indicator lamp is in an illuminated state. Furthermore, whether the first input point of the PLC detects the electric signal of the elevator door lock is judged under the condition that the second indicator light is in a lighting state; if the electric signal of the elevator door lock is not detected, detecting the electric signal of the elevator door lock at a third input point of the PLC; when the third output point of the PLC corresponding to the third input point of the PLC generates an output signal, judging that the elevator door lock cable is in a closed state; and when the PLC third output point corresponding to the PLC third input point does not generate an output signal, judging that the elevator door lock is in short connection with the elevator door lock cable.
And step 106, if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable, judging that the elevator door lock cable detection is normal.
To better understand and apply the elevator door lock cable detection method to which the present disclosure relates, the following example is made. It should be noted that the protection scope of the present disclosure is not limited to the following examples.
With reference to fig. 2-5, fig. 3 shows a power supply and door lock loop, fig. 4 shows a PLC control loop, and KA 1-KA 40 show normally closed contacts of a relay to simulate an elevator door lock. In the detection process, the LPC is used for controlling the KA 1-KA 40 relays, under the condition that a door lock loop is normal, a detection switch SB1 is started, a PLC input point I.0 obtains a signal, KA1 starts to attract, a KA1 normally closed contact is disconnected, the door lock loop is disconnected, the PLC input point I.0 loses the signal, after 1S, the KA1 relay is powered off, the PLC input point I.0 obtains the signal again, the KA2 relay attracts, the door lock loop is disconnected, the PLC input point I.0 loses the signal, after 1S, the KA2 relay is powered off, the PLC input point I.0 obtains the signal again, the KA3 relay attracts, and the detection is sequentially executed.
It should be noted that, the fault judgment of the elevator door lock cable can be divided into: the door lock branch line is connected in series with the door lock main line, but the contact is poor, namely the door lock branch line is connected to the door lock detection device, the detection switch SB1 is started, the PLC input point I.0 can not obtain signals, and the door lock detection device does not execute detection; in addition, when the door lock branch line is in short circuit with the door lock main line, the door lock branch line is connected with the door lock detection device, the detection switch SB1 is started, the PLC input point I.0 obtains a signal, the examination is started, when the detected door lock branch line is in short circuit with the door lock main line, namely the door lock is disconnected, the PLC input point I.0 still obtains a signal, the detection device stays at the current state, and the detection signal lamp corresponding to the currently detected door lock is normally on.
Further, as shown in fig. 5, the detection signal indicates a lamp circuit, and an indicator lamp is turned on along with the attraction of the corresponding KA 1-KA 40 relay, and is turned off when the relay is powered off, so as to visually display the detection result.
Furthermore, it should be noted that the elevator door lock cable connects the elevator door locks of different floors in series to form a floor door lock loop, when any floor door is opened, the door lock loop must be disconnected, and the elevator stops running to ensure the safety of riding the elevator, so the elevator door lock wire detection system detects whether the door lock cable is disconnected or not, and also detects whether the door lock branch cable is short-circuited to the door lock main line or not. The elevator door lock cable detection system designed by the PLC is used, for example, the number of door locks to be detected is N, the door lock cables are connected to the detection system, whether the door lock cables are disconnected or not is detected, and if the door lock cables are disconnected, the detection system does not start to work. Otherwise, starting detection, simulating that the door locks are disconnected one by the detection system, stopping the detection system when the detection system sends out audible and visual alarm, and enabling only 1 indicator lamp M on the signal indicator lamp panel to be normally on, wherein if M is equal to N +1, the detection is finished, and the door lock cable is qualified; if M < N +1, then the (M-1) door lock branch is shorted to the door lock main cable.
The invention provides a method for detecting cables of elevator door locks.A subsidiary endpoint is arranged on each elevator door lock and is used for detecting electric signals of the elevator door locks; judging whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable; and if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable, judging that the elevator door lock cable is detected normally. The method aims to improve the quality of the elevator door lock cable, detect the door lock cable quickly and efficiently, ensure zero errors of the elevator door lock cable, and have high efficiency and usability of application.
Based on the same invention concept, the invention also provides an elevator door lock cable detection device. Because the principle of solving the problems of the device is similar to that of the elevator door lock cable detection method, the implementation of the device can be realized according to the specific steps of the method, and repeated parts are not described again.
Fig. 6 is a schematic structural diagram of an elevator door lock cable detection device in one embodiment. This elevator door lock cable detection device 10 includes: a setting module 200, a judging module 400 and a detection judging module 600.
The setting module 200 is configured to set an auxiliary endpoint on each elevator door lock, where the auxiliary endpoint is configured to detect an electrical signal of the elevator door lock; the judging module 400 is used for judging whether the electric signal of each elevator door lock meets the logic detection of cable disconnection of the elevator door lock; the detection and determination module 600 is used for determining that the detection of the cable of the elevator door lock is normal if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the cable of the elevator door lock.
The invention provides a cable detection device for elevator door locks.A setting module sets an auxiliary endpoint on each elevator door lock, and the auxiliary endpoint is used for detecting an electric signal of the elevator door lock; the judgment module judges whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the cable of the elevator door lock; and if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the cable of the elevator door lock, the detection judgment module judges that the cable of the elevator door lock is normally detected. The device aims at improving the quality of an elevator door lock cable, quickly and efficiently detects the elevator door lock cable, ensures zero error of the elevator door lock cable, and has high efficiency and usability of application.
Therefore, according to the elevator door lock cable detection method and device and the computer readable storage medium provided by the embodiment of the disclosure, the quality of the elevator door lock cable can be effectively improved, the door lock cable can be quickly and efficiently detected, zero errors of the elevator door lock cable are ensured, and the elevator door lock cable detection method and device have high efficiency and usability in application. An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and the computer program is executed by the processor in fig. 1 or fig. 2.
The embodiment of the invention also provides a computer program product containing the instruction. When the computer program product is run on a computer, it causes the computer to perform the method of fig. 1 or fig. 2 described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
The foregoing describes the general principles of the present disclosure in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present disclosure are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present disclosure. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the disclosure is not intended to be limited to the specific details so described.
The block diagrams of devices, apparatuses, systems referred to in this disclosure are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
Also, as used herein, the use of "or" in a list of items beginning with "at least one" indicates a separate list, e.g., "A, B or at least one of C" means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the word "exemplary" does not mean that the described example is preferred or better than other examples.
It is also noted that in the systems and methods of the present disclosure, components or steps may be decomposed and/or re-combined. These decompositions and/or recombinations are to be considered equivalents of the present disclosure.
Various changes, substitutions and alterations to the techniques described herein may be made without departing from the techniques of the teachings as defined by the appended claims. Moreover, the scope of the claims of the present disclosure is not limited to the particular aspects of the process, machine, manufacture, composition of matter, means, methods and acts described above. Processes, machines, manufacture, compositions of matter, means, methods, or acts, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding aspects described herein may be utilized. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or acts.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the disclosure. Thus, the present disclosure is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the disclosure to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
Claims (10)
1. An elevator door lock cable detection method, characterized in that the method comprises:
setting an auxiliary endpoint on each elevator door lock, wherein the auxiliary endpoint is used for detecting an electric signal of the elevator door lock;
judging whether the electrical signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable;
and if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable, judging that the elevator door lock cable is detected normally.
2. The method of claim 1, wherein the logic determining whether the electrical signal of each elevator door lock satisfies a logical detection of an elevator door lock cable disconnection comprises:
judging whether a PLC first input point receives the electric signal for detecting the elevator door lock;
when the first output point of the PLC corresponding to the first input point of the PLC does not generate an output signal, judging that the elevator door lock cable is in a disconnected state;
and when an output signal appears at a first output point of the PLC corresponding to the first input point of the PLC, the first relay executes closing operation.
3. The elevator door lock cable detection method of claim 2, further comprising: when the first relay performs a closing operation, the first indicator lamp is in an illuminated state.
4. The method of claim 1, wherein the logic determining whether the electrical signal of each elevator door lock satisfies a logical detection of an elevator door lock cable disconnection comprises:
when the first indicator light is in a lighting state, judging whether a first input point of the PLC receives the electric signal for detecting the elevator door lock;
if the PLC first input point does not receive the electric signal for detecting the elevator door lock, the PLC second input point is subjected to the detection operation of the electric signal for detecting the elevator door lock;
when an output signal appears at a PLC second output point corresponding to the PLC second input point, judging that the elevator door lock cable is in a closed state;
and when the PLC second output point corresponding to the PLC second input point does not generate an output signal, judging that the elevator door lock is short-circuited with the elevator door lock cable.
5. The method of claim 1, wherein the logic determining whether the electrical signal of each elevator door lock satisfies a logical detection of an elevator door lock cable disconnection comprises:
when the first indicator light is in a lighting state, judging whether a first input point of the PLC receives the electric signal for detecting the elevator door lock;
if the PLC first input point does not receive the electric signal for detecting the elevator door lock, after a PLC first output point corresponding to the PLC first input point executes reset operation within preset time, the PLC first input point receives the electric signal for detecting the elevator door lock;
and when a second output point of the PLC corresponding to the first input point of the PLC outputs a signal, the second relay executes closing operation.
6. The elevator door lock cable detection method of claim 5, further comprising: when the second relay performs a closing operation, the second indicator lamp is in an illuminated state.
7. The elevator door lock cable detection method of claim 6, further comprising:
judging whether a first input point of the PLC detects an electric signal of an elevator door lock or not when the second indicator light is in a lighting state;
if the electric signal of the elevator door lock is not detected, detecting the electric signal of the elevator door lock on a PLC third input point;
when a PLC third output point corresponding to the PLC third input point generates an output signal, judging that the elevator door lock cable is in a closed state;
and when the PLC third output point corresponding to the PLC third input point does not generate an output signal, judging that the elevator door lock is short-circuited with the elevator door lock cable.
8. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1-7 are implemented when the program is executed by the processor.
10. An elevator door lock cable detection device, the device comprising:
the device comprises a setting module, a detection module and a control module, wherein the setting module is used for setting an auxiliary endpoint on each elevator door lock, and the auxiliary endpoint is used for detecting an electric signal of the elevator door lock;
the judging module is used for judging whether the electric signal of each elevator door lock meets the logic detection of the disconnection of the elevator door lock cable;
and the detection judging module is used for judging that the detection of the elevator door lock cable is normal if the electric signal of each elevator door lock does not meet the logic detection of the disconnection of the elevator door lock cable.
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| CN201810988746.6A CN110861985A (en) | 2018-08-28 | 2018-08-28 | Elevator door lock cable detection method and device |
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| CN201810988746.6A CN110861985A (en) | 2018-08-28 | 2018-08-28 | Elevator door lock cable detection method and device |
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| CN207404646U (en) * | 2017-10-25 | 2018-05-25 | 北京索德电气工业有限公司 | A kind of elevator seals door lock detecting device |
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