CN108792866B - System for acquiring elevator state data and monitoring image data - Google Patents

System for acquiring elevator state data and monitoring image data Download PDF

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Publication number
CN108792866B
CN108792866B CN201810642398.7A CN201810642398A CN108792866B CN 108792866 B CN108792866 B CN 108792866B CN 201810642398 A CN201810642398 A CN 201810642398A CN 108792866 B CN108792866 B CN 108792866B
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elevator
network converter
data
image data
monitoring image
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CN108792866A (en
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郭雅萍
李良
李基源
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Hitachi Building Technology Guangzhou Co Ltd
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Hitachi Building Technology Guangzhou Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0025Devices monitoring the operating condition of the elevator system for maintenance or repair

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  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

The invention relates to a system for acquiring elevator state data and monitoring image data, which comprises a first network converter and a second network converter; the first network converter is connected with the machine room elevator system and the elevator monitoring center respectively, and the second network converter is connected with the car roof elevator system and the elevator camera device respectively; the second network converter converts the elevator state data acquired from the car roof elevator system and the monitoring image data acquired from the elevator camera device into electric power transmission data respectively and transmits the electric power transmission data to the first network converter; the first network converter converts the power transmission data into network transmission data and transmits the network transmission data to the elevator monitoring center. The elevator monitoring center can acquire the required elevator state data and the monitoring image data by using the existing power transmission cable without depending on a specific communication line for relevant data transmission, thereby reducing the cost for acquiring the elevator state data and the monitoring image data.

Description

System for acquiring elevator state data and monitoring image data
Technical Field
The invention relates to the technical field of elevator monitoring, in particular to an elevator state data and monitoring image data acquisition system.
Background
The elevator system is an important component of the elevator equipment, elevator state data such as the floor, direction, speed, maintenance state and/or elevator fault of the elevator operation can be read from the elevator system, which includes a machine room elevator system (an elevator system disposed in an elevator machine room) and a ceiling elevator system (an elevator system disposed on top of an elevator car), in conventional solutions, it is necessary to acquire elevator status data from the machine room elevator system and the overhead elevator system through a specific communication line such as a shielded twisted pair, when the acquired elevator state data are transmitted to the elevator camera or the elevator monitoring center, the elevator camera or the elevator monitoring center can acquire the required elevator state data only by adding a communication interface matched with a specific communication line at the elevator camera or the elevator monitoring center, so that the cost for acquiring the elevator state data is high.
Disclosure of Invention
Based on this, it is necessary to provide an elevator state data and monitoring image data acquiring system for solving the technical problem that the conventional scheme causes high cost of acquiring elevator state data.
A system for acquiring elevator state data and monitoring image data comprises a first network converter and a second network converter;
the first network converter and the second network converter are mutually connected, the first network converter is respectively connected with the machine room elevator system and the elevator monitoring center, and the second network converter is respectively connected with the car roof elevator system and the elevator camera device;
the second network converter converts the elevator state data acquired from the car roof elevator system and the monitoring image data acquired from the elevator camera device into electric power transmission data respectively and transmits the electric power transmission data to the first network converter;
the first network converter converts the power transmission data into network transmission data and transmits the network transmission data to an elevator monitoring center.
According to the system for acquiring the elevator state data and the monitoring image data, the first network converter and the second network converter are connected between the machine room car system and the car top elevator system, the second network converter can convert the acquired elevator state data and the monitoring image data into electric power transmission data respectively and transmit the electric power transmission data to the first network converter, the first network converter can convert the electric power transmission data into network transmission data and transmit the network transmission data to the elevator monitoring center, the elevator monitoring center can acquire the required elevator state data and the monitoring image data by using the existing electric power transmission cable (such as a 220V cable), the dependence on a specific communication line for related data transmission is not needed, and the cost for acquiring the elevator state data and the monitoring image data is reduced.
In one embodiment, the first network converter obtains elevator status data from a machine room elevator system or the second network converter obtains elevator status data from a car roof elevator system; the second network converter also obtains monitoring image data from the elevator camera.
In this embodiment, the first network converter or the second network converter reads the elevator status data from the nearby elevator system, and the efficiency of reading the required elevator status data can be ensured.
In one embodiment, the second network converter transmits the elevator state data to an elevator camera, and the elevator camera superimposes the elevator state data on a shot elevator monitoring video to obtain monitoring image data.
The embodiment can superpose the elevator state data and the original monitoring video of the elevator at the elevator camera device, so that the superposition operation is not required to be executed in the elevator monitoring center, the workload of the elevator monitoring center can be reduced, and the running speed of the elevator monitoring center is improved.
In one embodiment, if the monitoring image data at the elevator monitoring center is not superimposed with the elevator state data, the elevator monitoring center superimposes the currently acquired elevator state data on the monitoring image data.
In this embodiment, if the monitoring image data is not superimposed with the elevator state data, the elevator monitoring center superimposes the currently acquired elevator state data on the monitoring image data, so that the elevator operation information carried by the monitoring image data is more complete.
As an embodiment, the monitoring center displays the monitoring image data superimposed with the elevator status data.
In one embodiment, the first network switch is connected to the second network switch by a 220V cable.
The first network converter and the second network converter can be connected through a common 220V cable, and the 220V cable transmits corresponding data (elevator state data and monitoring image data) through a PLC technology, so that the data transmission cost is effectively reduced.
In one embodiment, the second network converter supplies power to the elevator camera through the POE.
This embodiment can be through POE for elevator camera device power supply, need not to adopt the special power supply in the traditional scheme, can reach the purpose that reduces the power supply cost.
In one embodiment, the first network converter and the second network converter are respectively provided with a communication interface;
the first network converter is connected with the machine room elevator system through a communication interface, and the second network converter is connected with the car top elevator system through a communication interface.
As an embodiment, the communication interface includes an RS232 interface, an RS485 interface, an RS422 interface, or a CAN interface.
In this embodiment, the communication interface of the first network converter is connected to the elevator system in the machine room through the communication line (such as RS232 line, RS485 line, RS422 line or CAN bus) corresponding to the communication interface, and the communication interface of the second network converter is connected to the elevator system at the top of the car through the communication line corresponding to the communication interface, so that the first network converter and the second network converter CAN obtain elevator status data such as floor, direction, speed, maintenance status and/or elevator fault information from the nearby elevator system.
In one embodiment, the first network converter and the second network converter are respectively provided with an internet access;
the net port of the first network converter is connected with an elevator monitoring center through a net wire, and the net port of the second network converter is connected with an elevator camera device through a net wire.
In this embodiment, the network port of the second network converter is connected to the elevator camera device through the network cable, so that the elevator camera device does not need to add other communication interfaces to acquire the elevator state information, and thus, corresponding software modification can be performed on the elevator camera device, and therefore, the acquisition of the elevator state data and the sending of the monitoring image data can be realized, corresponding development efficiency can be improved, and more possibilities are provided for the type selection of the elevator camera device. The net mouth of the first network converter is connected with the elevator monitoring through the net wire, so that the wiring of the whole system can be simplified on the basis of ensuring the stability of obtaining the elevator state data and the monitoring image data, and the elevator monitoring system is more convenient to debug and maintain.
Drawings
Fig. 1 is a schematic diagram of an elevator status data and monitoring image data acquisition system according to an embodiment;
fig. 2 is a schematic diagram of an elevator state data and monitoring image data acquiring system according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that the terms "first \ second \ third" related to the embodiments of the present invention only distinguish similar objects, and do not represent a specific ordering for the objects, and it should be understood that "first \ second \ third" may exchange a specific order or sequence when allowed. It should be understood that the terms first, second, and third, as used herein, are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in other sequences than those illustrated or otherwise described herein.
The terms "comprises" and "comprising," and any variations thereof, of embodiments of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to the listed steps or modules but may alternatively include other steps or modules not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Reference herein to "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Referring to fig. 1, fig. 1 is a schematic diagram of a system for acquiring elevator status data and monitoring image data according to an embodiment, which includes a first network converter 11 and a second network converter 12;
the first network converter 11 and the second network converter 12 are connected with each other, the first network converter 11 is respectively connected with a machine room elevator system 21 and an elevator monitoring center 23, and the second network converter is respectively connected with a car roof elevator system 22 and an elevator camera device 24; the first network converter 11 and the second network converter 12 are both network converters based on a PLC (power line carrier) technology;
the second network converter 12 converts the elevator state data obtained from the car roof elevator system 22 and the monitoring image data obtained from the elevator camera 24 into corresponding power transmission data respectively and transmits the power transmission data to the first network converter 11; the power transmission data is communication data transmitted by a power transmission cable such as a 220V (volt) cable and the like, and comprises converted elevator state data and/or monitoring image data; the elevator state data comprises elevator operation related data such as floors, directions, speeds, maintenance states, elevator fault information and the like in the elevator operation process;
the first network converter 11 converts the power transmission data into network transmission data to be transmitted to an elevator monitoring center 23; the network transmission data is communication data transmitted through a network cable; elevator status data and/or monitoring image data may be included.
The first network converter 11 may be disposed near the machine room elevator system 21 to obtain the elevator status data of the machine room elevator system 21 nearby, and the second network converter 12 may be disposed near the ceiling elevator system 22 to obtain the elevator status data of the ceiling elevator system 22 nearby.
Both the first network converter 11 and the second network converter 12 may be provided with a communication interface and a network port, where the communication interface includes an RS232 interface, an RS485 interface, an RS422 interface or a CAN interface, specifically, as shown in fig. 2, the communication interface of the first network converter 11 may be connected to the machine room elevator system 21 through a corresponding communication line (such as an RS232 line, an RS485 line, an RS422 line or a CAN bus), and the network port of the first network converter 11 may be connected to the elevator monitoring center 23 through a network line; the communication interface of the second network converter 12 CAN be connected to the car top elevator system 22 through a corresponding communication line (such as an RS232 line, an RS485 line, an RS422 line or a CAN bus), and the network port of the second network converter 12 CAN be connected to the elevator camera device 24 through a network cable; the first network converter 11 may be connected to the second network converter 12 through a power transmission cable such as a 220V cable. Correspondingly, the second network converter 11 obtains elevator status data at the car roof elevator system 22 through the communication interface, obtains monitoring image data at the elevator camera 24 through the internet access (e.g., using TCP/UDP protocol), converts the elevator status data and the monitoring image data into power transmission data (including the converted elevator status data and monitoring image data) that can be transmitted over the power transmission cable, respectively, and transmits the power transmission data to the first network converter 11 through the power transmission cable, the first network converter 11 converts the power transmission data into network transmission data (including elevator status data and monitoring image data) transmitted through the internet, and transmits the network transmission data to the elevator monitoring center 23 through the internet (e.g., using TCP/UDP protocol); the first network converter 11 can also obtain elevator state data from the machine room elevator system 21 through a communication interface, and transmit the elevator state data to the elevator monitoring center 23 through a network port; therefore, the elevator monitoring center 23 can obtain the elevator state data of the elevator system and the monitoring image data of the elevator shooting device through the PLC technology without depending on a specific communication line, and the cost is particularly low.
According to the elevator state data and monitoring image data acquisition system provided by the invention, the first network converter 11 and the second network converter 12 are connected between the machine room car system 21 and the car roof elevator system 22, so that the second network converter 12 can convert the acquired elevator state data and monitoring image data into electric power transmission data respectively and transmit the electric power transmission data to the first network converter 11, the first network converter 11 can convert the electric power transmission data into network transmission data and transmit the network transmission data to the elevator monitoring center 23, the elevator monitoring center can acquire the required elevator state data and monitoring image data by using the existing electric power transmission cable (such as a 220V cable), a specific communication line is not required for related data transmission, and the cost for acquiring the elevator state data and the monitoring image data is reduced.
In one embodiment, the first network converter obtains elevator status data from a machine room elevator system or the second network converter obtains elevator status data from a car roof elevator system; the second network converter also obtains monitoring image data from the elevator camera.
Specifically, the first network converter CAN acquire elevator state data from the machine room elevator system through communication lines such as an RS232 line, an RS485 line, an RS422 line or a CAN bus; the second network converter CAN acquire elevator state data from the car roof elevator system through communication lines such as an RS232 line, an RS485 line, an RS422 line or a CAN bus. The second network converter can acquire monitoring image data from the elevator camera device through a network cable; optionally, the TCP/UDP protocol may be used in the process of acquiring the monitoring image data by the second network converter.
The elevator state data comprises elevator operation related data such as floors, directions, speeds, maintenance states, elevator fault information and the like in the elevator operation process; the elevator system can include a machine room elevator system and a ceiling elevator system, and elevator status data in the machine room elevator system and the ceiling elevator system can be synchronized. The first network converter or the second network converter can read the elevator state data from the nearby elevator system, and flexibility and timeliness of reading the required elevator state data are guaranteed. The monitoring image data obtained from the elevator camera device can be video data carrying elevator state data or original monitoring data not carrying elevator state data; if the monitoring image data obtained from the elevator camera device is the original monitoring data without carrying the elevator state data, after the monitoring image data is transmitted to the elevator monitoring center, the elevator state data can be superimposed and correspondingly displayed in the monitoring center, so that the integrity of the information obtained when the relevant user watches the elevator monitoring image data is ensured.
In this embodiment, the first network converter or the second network converter reads the elevator status data from the nearby elevator system, and the efficiency of reading the required elevator status data can be ensured.
In one embodiment, the second network converter transmits the elevator state data to an elevator camera, and the elevator camera superimposes the elevator state data on a shot elevator monitoring video to obtain monitoring image data.
The elevator state data can be superimposed on an elevator monitoring video shot by an elevator camera in the form of graphics (such as an up arrow or a down arrow lamp) and/or characters (such as the floor where the current car is located) and the like to form corresponding monitoring image data.
The embodiment can superpose the elevator state data and the original monitoring video of the elevator at the elevator camera device, so that the superposition operation is not required to be executed in the elevator monitoring center, the workload of the elevator monitoring center can be reduced, and the running speed of the elevator monitoring center is improved.
In one embodiment, if the monitoring image data at the elevator monitoring center is not superimposed with the elevator state data, the elevator monitoring center superimposes the currently acquired elevator state data on the monitoring image data.
The monitoring image data at the monitoring center can be image data on which the elevator state data is superimposed (the elevator state data is superimposed at the elevator camera) or image data on which the elevator state data is not superimposed; if the monitoring image data is not superposed with the elevator state data, the elevator monitoring center superposes the currently acquired elevator state data on the monitoring image data, so that the elevator operation information carried by the monitoring image data can be more complete.
Whether the monitoring image data is superposed with the elevator state data can be identified by the eyes of related workers; or identifying according to a superposition identifier set during superposition operation of elevator state data, if the monitoring image data carries the superposition identifier, judging that the monitoring image data is superposed with the elevator state data, and if the monitoring image data does not carry the superposition identifier, judging that the monitoring image data is not superposed with the elevator state data; but also according to the communication between the elevator camera device and the elevator monitoring center.
As an embodiment, the monitoring center displays the monitoring image data superimposed with the elevator status data.
The embodiment can display the monitoring image data after the elevator state data are superposed in the monitoring center so that the user can acquire the elevator monitoring image data and the elevator state data.
In one embodiment, the elevator monitoring center can perform elevator state monitoring and corresponding big data analysis according to elevator state data so as to determine elevator data such as the current floor, running direction, running speed, maintenance condition, elevator fault information and the like of the elevator; the elevator state data can also be used for elevator pre-diagnosis, and the service quality of the elevator can be improved, the fault rate is reduced, and the fault response speed is improved by combining big data analysis and the like.
In one embodiment, the first network switch is connected to the second network switch by a 220V cable.
The first network converter and the second network converter can be connected through a common 220V cable, and the 220V cable transmits corresponding data (elevator state data and monitoring image data) through a PLC technology, so that the data transmission cost is effectively reduced.
In one embodiment, the second network converter supplies power to the elevator camera through the POE.
This embodiment can be through POE for elevator camera device power supply, need not to adopt the special power supply in the traditional scheme, can reach the purpose that reduces the power supply cost.
In one embodiment, the first network converter and the second network converter are respectively provided with a communication interface;
the first network converter is connected with the machine room elevator system through a communication interface, and the second network converter is connected with the car top elevator system through a communication interface.
As an embodiment, the communication interface includes an RS232 interface, an RS485 interface, an RS422 interface, or a CAN interface.
The communication interface of the first network converter is connected with a machine room elevator system through a communication line (such as an RS232 line, an RS485 line, an RS422 line or a CAN bus) corresponding to the communication interface of the first network converter, and the communication interface of the second network converter is connected with a car top elevator system through a communication line corresponding to the communication interface of the second network converter, so that the first network converter and the second network converter CAN obtain elevator state data such as floors, directions, speeds, maintenance conditions and/or elevator fault information from the nearby elevator system.
In one embodiment, the first network converter and the second network converter are respectively provided with an internet access;
the net port of the first network converter is connected with an elevator monitoring center through a net wire, and the net port of the second network converter is connected with an elevator camera device through a net wire.
In this embodiment, the network port of the second network converter is connected to the elevator camera device through the network cable, so that the elevator camera device does not need to add other communication interfaces to acquire the elevator state information, and thus, corresponding software modification can be performed on the elevator camera device, and therefore, the acquisition of the elevator state data and the sending of the monitoring image data can be realized, corresponding development efficiency can be improved, and more possibilities are provided for the type selection of the elevator camera device. The net mouth of the first network converter is connected with the elevator monitoring through the net wire, so that the wiring of the whole system can be simplified on the basis of ensuring the stability of obtaining the elevator state data and the monitoring image data, and the elevator monitoring system is more convenient to debug and maintain.
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 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.

Claims (10)

1. A system for acquiring elevator state data and monitoring image data is characterized by comprising a first network converter and a second network converter;
the first network converter and the second network converter are mutually connected, the first network converter is respectively connected with the machine room elevator system and the elevator monitoring center, and the second network converter is respectively connected with the car roof elevator system and the elevator camera device;
the second network converter converts the elevator state data acquired from the car roof elevator system and the monitoring image data acquired from the elevator camera device into electric power transmission data respectively and transmits the electric power transmission data to the first network converter; the monitoring image data carries the elevator state data;
the first network converter acquires elevator state data from a machine room elevator system; the elevator state data acquired by the first network converter comprises floors, directions, speeds, overhaul states and elevator fault information in the elevator running process;
the first network converter converts the power transmission data into network transmission data and transmits the network transmission data to an elevator monitoring center;
the second network converter acquires the monitoring image data through a TCP (transmission control protocol);
the second network converter transmits the elevator state data to the elevator camera device, and the elevator camera device superposes the elevator state data on the shot elevator monitoring video to obtain the monitoring image data.
2. The system of claim 1, wherein the first network converter and the second network converter are both power carrier technology based network converters.
3. The system of claim 1, wherein the elevator monitoring center determines whether the monitoring image data has been overlaid with the elevator status data based on an overlay identifier; and if the monitoring image data carries the superposition identifier, determining that the elevator state data is superposed on the monitoring image data, and if the monitoring image data does not carry the superposition identifier, determining that the elevator state data is not superposed on the monitoring image data.
4. The system according to claim 1, wherein if the elevator status data is not superimposed on the monitoring image data at the elevator monitoring center, the elevator monitoring center superimposes the currently acquired elevator status data on the monitoring image data.
5. The system for acquiring elevator status data and monitoring image data according to claim 4, wherein the monitoring center displays the monitoring image data superimposed with the elevator status data.
6. The system for acquiring elevator status data and monitoring image data according to any one of claims 1 to 4, wherein the first network converter is connected to the second network converter through a 220V cable.
7. The system of any one of claims 1 to 4, wherein the second network converter provides power to the elevator camera via POE.
8. The system for acquiring elevator status data and monitoring image data according to any one of claims 1 to 4, wherein the first network converter and the second network converter are respectively provided with a communication interface;
the first network converter is connected with the machine room elevator system through a communication interface, and the second network converter is connected with the car top elevator system through a communication interface.
9. The system of claim 8, wherein the communication interface comprises an RS232 interface, an RS485 interface, an RS422 interface, or a CAN interface.
10. The system for acquiring elevator status data and monitoring image data according to any one of claims 1 to 4, wherein the first network converter and the second network converter are respectively provided with a gateway;
the net port of the first network converter is connected with an elevator monitoring center through a net wire, and the net port of the second network converter is connected with an elevator camera device through a net wire.
CN201810642398.7A 2018-06-21 2018-06-21 System for acquiring elevator state data and monitoring image data Active CN108792866B (en)

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