CN111634765A - Internet of things terminal online rate improving method under scene of multiple elevators in same machine room - Google Patents
Internet of things terminal online rate improving method under scene of multiple elevators in same machine room Download PDFInfo
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- CN111634765A CN111634765A CN202010428405.0A CN202010428405A CN111634765A CN 111634765 A CN111634765 A CN 111634765A CN 202010428405 A CN202010428405 A CN 202010428405A CN 111634765 A CN111634765 A CN 111634765A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
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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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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room, wherein a terminal and a cloud platform maintain network link through a continuous bidirectional heartbeat mechanism; when one terminal breaks away from the network, the terminal sends help-seeking handshake information containing an ID number and an offline help-seeking signal to other terminals through a multipoint data communication bus, and the other terminals send response handshake signals to the help-seeking offline terminals after confirming that the other terminals are online, wherein the response handshake signals contain the ID numbers and online condition signals thereof; after the offline terminal receives the help-seeking response handshake signals of the other online terminals, the offline terminal sends a confirmation data transmission signal to the terminal meeting the requirement, and after the adjacent terminal receives the confirmation data transmission signal, the adjacent terminal starts to be connected with the offline terminal through a multi-point data communication bus to obtain the running data of the corresponding elevator controller and sends the running data to the cloud platform; the invention improves the online rate of the terminal and meets the application of the Internet of things.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to an elevator Internet of things technology.
Background
In recent years, the technology development of the elevator internet of things is rapid, and the demand of the elevator internet of things terminal is greatly increased. The terminal online rate is an important index for examining the implementation effect of the elevator Internet of things. Due to reasons such as field network signal quality, electromagnetic interference, antenna performance degradation and terminal module abnormity, abnormal offline conditions may occur in the terminal. After the offline condition appears, the platform can not obtain the operation data of the corresponding elevator, and the value of the elevator internet of things is lost.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides an internet of things terminal online rate improving method in the scene of multiple elevators in the same machine room.
In order to solve the technical problems, the invention adopts the technical scheme that: an internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room,
the elevator internet of things terminal is connected with an elevator controller through a bus and adopts elevator operation data, the terminals are communicated through a multi-point data communication bus, the terminals are interconnected with the cloud platform through a network, and network link is maintained through a continuous bidirectional heartbeat mechanism; all the terminals are provided with serial numbers which are continuous, and the cloud platform acquires the serial numbers of the terminals;
when a terminal is disconnected from a network and loses connection with a cloud platform, the terminal cannot receive heartbeat messages of the cloud platform, and the terminal judges that the terminal is offline and marks as an offline terminal A; the off-line terminal A sends help-seeking handshake information containing an ID number and an off-line help-seeking signal to other terminals through a multi-point data communication bus, the other terminals judge whether the off-line terminal A is on line or not according to two-way heartbeat, and after the on-line terminal A is confirmed, a response handshake signal is sent to the help-seeking off-line terminal A, wherein the response handshake signal contains the ID number and an on-line condition signal thereof;
after receiving the help-seeking response handshake signals of the other online terminals, the offline terminal A determines the online states of the other terminals at the moment, when the other terminals are online, the offline terminal A sends a confirmation data transmission signal to the adjacent terminal, and after receiving the confirmation data transmission signal, the adjacent terminal starts to be connected with the offline terminal through a multi-point data communication bus to acquire the running data of the corresponding elevator controller and sends the running data to the cloud platform;
when the other terminals also have the offline terminal, the offline terminal is marked as an offline terminal B, and if the offline terminal B uploads data to the cloud platform through other online terminals, the offline terminal A searches for the nearest terminal in the other online terminals and sends a confirmation data transmission signal to the nearest terminal; if the offline terminal B does not upload data to the cloud platform through other online terminals, the offline terminal B sends a signal for replying that the offline terminal B is also offline to the offline terminal A, the offline terminal B also sends help-seeking handshake information to other terminals, the offline terminal A replies the signal for replying that the offline terminal B is also offline to the offline terminal B, the offline terminals B also mutually reply the signal for replying that the offline terminal B is also offline, and the online terminals send response handshake signals to all the offline terminals seeking help; when the total number of the off-line terminals is less than or equal to the number of the on-line terminals, the off-line terminals send confirmation data transmission signals to the closest terminal in the terminals which are on-line and only receive data of one elevator controller, the off-line terminals select corresponding on-line terminals one by one according to the serial number sequence, and after receiving the confirmation data transmission signals, the on-line terminals start to receive elevator control operation data acquired by the corresponding off-line terminals and send the elevator control operation data to the cloud platform; and when the total number of the off-line terminals is greater than that of the on-line terminals, the off-line terminals preferentially send confirmation data transmission signals to the on-line terminals with the least load.
Further, the cloud platform displays the offline terminal state as an "online" style and indicates "online via terminal X", where terminal X is an online terminal that accepts the offline terminal data.
Further, if the offline terminal is restored to be online again, the offline terminal sends information of restoring online to the corresponding terminal through the multipoint data communication bus, the corresponding online terminal requests the platform to release the acquired running data of the elevator controller of the corresponding offline terminal after receiving the information, the platform cancels the prompt information of 'online via terminal X' of the offline terminal after receiving the request, the prompt information is displayed as normal online, then the two terminals restore to operate independently, and the running data of the elevators are respectively and independently sent to the cloud platform.
Further, the terminal of the internet of things of the elevator is connected with the elevator controller through a CAN bus and is cascaded through an RS485 bus.
The technical scheme shows that the invention has the following advantages: after one terminal is offline, the elevator operation data can be sent to an adjacent online terminal with less load through the RS485 bus, and then the elevator operation data is uploaded to the cloud platform through the online terminal, so that the online rate of the terminal is improved, and the application of the Internet of things is met.
Drawings
FIG. 1 is a diagram of the system hardware architecture of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1, N elevator controllers are arranged in the same machine room and respectively denoted as an elevator controller 1, an elevator controller 2, an elevator controller 3, an elevator controller N, and each elevator controller is provided with an elevator internet of things terminal, which is a terminal 1, a terminal 2, a terminal N, and a terminal N according to the number. The terminal of the internet of things of the elevator is provided with a CAN bus interface and an RS485 bus interface at the same time, and the terminal is not limited to the two types of buses and CAN transmit the data. The elevator Internet of things terminal is connected with the elevator controller through the CAN bus and used for acquiring elevator operation data and cascading through the RS485 bus interface. Each terminal is connected with the cloud platform through a network (such as 4G/5G), and the cloud platform acquires the running state of each elevator and can monitor and display the running state.
Each terminal and the cloud platform maintain network link through a continuous bidirectional heartbeat mechanism, when a certain terminal is offline, the bidirectional heartbeat mechanism fails, and at the moment, the terminal and the cloud platform can know the occurrence of the situation. For example, the terminal sends a heartbeat packet at a fixed time of 20 seconds, and the server responds; checking by the terminal, and if the message is not read within 60 seconds, considering offline; and (4) the cloud platform checks that the message is not read within 60 seconds, and then the cloud platform is considered to be offline. In addition, the cloud platform can learn the arrangement sequence of the elevator controllers through the corresponding relation between the terminal ID numbers and the elevator controllers.
If only 1 of the N terminals is disconnected from the network (the cloud platform displays that the terminals are offline), if the terminal 1 is offline, the rest terminals are kept online. At this time, the terminal 1 which is off-line knows that this has occurred. At this time, the terminal 1 sends help-seeking handshake information (the help-seeking handshake information includes the ID number of the terminal 1 and the offline help-seeking signal) to the terminals 2 to N through the RS485 bus. After receiving the help-seeking handshake information, the terminal 2-terminal N firstly judges the online condition of the terminal at the moment, and after ensuring that the terminal is in the online state, the terminal 2-terminal N respectively sends help-seeking response handshake signals (the help-seeking response handshake signals comprise the ID number of the terminal 2-terminal N and the online condition signals thereof) to the terminal 1 through the RS485 bus. After the terminal 1 receives the help-seeking response handshake signals from the terminal 2 to the terminal N, the terminal 2 to the terminal N are determined to be in an online state at the moment, the terminal 1 automatically adopts a near principle (all the terminals are provided with numbers and are continuous numbers, the cloud platform obtains the terminal numbers, the two terminals are close to each other, namely the two terminals are close to each other), and sends a confirmation data transmission signal to the terminal 2 through an RS485 bus (the confirmation data transmission signal is used for informing the terminal 2 that the terminal 1 is about to transmit the operation data of the elevator controller 1 to the cloud platform through the terminal 2). After receiving the confirmation data transmission signal, the terminal 2 starts to receive the operation data of the elevator control 1 acquired by the terminal 1 through the RS485 bus. Meanwhile, the terminal 2 informs the cloud platform that the terminal undertakes the collection of the operation data of the two controllers of the elevator control 1 and the elevator control 2. After the cloud platform obtains the information, the offline terminal 1 is displayed as online, and the prompt information of "online via the terminal 2" is noted. At this time, the cloud platform can check the operation states of the elevator controller 1 and the elevator controller 2 through the terminal 2.
If the terminal 1 is on-line again at this time, the terminal 1 sends the on-line resuming information to the terminal 2 through the RS485 bus (at this time, the cloud platform also obtains the situation that the terminal 1 is on-line resuming). After receiving the information, the terminal 2 requests the platform to release the operation data of the elevator controller 1 acquired by the terminal 1, and after receiving the request, the platform cancels the prompt information of the terminal 1, namely the terminal 1 is normally on-line, and displays the prompt information as the terminal 1 is normally on-line. Subsequently, the terminal 1 and the terminal 2 resume independent operation, and each independently sends the operation data of each elevator to the cloud platform.
If a plurality of the N terminals are offline. At this time, there are 2 cases, one is that the terminal that was off-line before uploads data to the cloud platform through other on-line terminals, if the terminal 2 is off-line and the terminal 2 has already uploaded data to the cloud platform through the terminal 3, at this time, if the terminal 1 is off-line again, the terminal 1 needs to upload data to the cloud platform through the terminal 4. The other is that the N terminals simultaneously have the offline condition, and the N terminals simultaneously have the offline condition can be divided into 2 conditions, one is that the number of the online terminals is more than or equal to the number of the offline terminals, and the other is that the number of the online terminals is less than the number of the offline terminals. These 2 cases will be described separately below.
The number of online terminals is greater than or equal to the number of offline terminals. For example, terminal 1 and terminal 2 are offline, and terminal 3-terminal N are online (N ≧ 5). After the situation happens, the terminal 1 and the terminal 2 both send help-seeking handshake signals (the help-seeking handshake information contains respective ID numbers and offline help-seeking signals) through the RS485 bus. At this time, all terminals on the RS485 bus will receive the signal, such as the help handshake signal sent by the offline terminal 1, and the offline terminal 2 and other online terminals will receive the same signal, as for the offline terminal 2. After the offline terminal 1 sends out the help-seeking handshake signal through the RS485 bus, the terminal 2 is also in the offline state, at this time, the terminal 2 replies the signal that is also in the offline state to the terminal 1, and the terminal 3-the terminal N replies the signal that is in the online state to the terminal 1. After the offline terminal 2 sends the help-seeking handshake signal through the RS485 bus, the terminal 1 is also in the offline state, and at this time, the terminal 1 replies the signal that is also in the offline state to the terminal 2, and the terminal 3-the terminal N replies the signal that is in the online state to the terminal 2. After the completion of the above state is determined, the offline terminal 1 sends a confirmation data transmission signal to the nearby online terminal 3 through the RS485 bus (the confirmation data transmission signal is used for informing the terminal 3 that the terminal 1 is about to transmit the operation data of the elevator controller 1 to the cloud platform through the terminal 3). And the off-line terminal 2 sends a confirmation data transmission signal to the nearby on-line terminal 4 through the RS485 bus (the confirmation data transmission signal is used for informing the terminal 4 that the terminal 2 is about to transmit the operation data of the elevator controller 2 to the cloud platform through the terminal 4). Furthermore, it is considered that the offline terminal 1 and the offline terminal 2 may transmit the confirmation data transfer signal to the nearby terminal 3 at the same time, in which case the terminal 3 establishes the confirmation relationship with the nearby terminal 4 in preference to the terminal 1, and the terminal 2 establishes the confirmation relationship with the nearby terminal 3. After confirming that the relationship is established, the cloud platform displays the offline terminal 1 as "online via the terminal 3", and displays the offline terminal 2 as "online via the terminal 4". At this time, the cloud platform can check the operation states of the elevator controller 1 and the elevator controller 3 via the terminal 3, and can check the operation states of the elevator controller 2 and the elevator controller 4 via the terminal 4.
The number of online terminals is less than the number of offline terminals. Also by way of example, taking 5 elevators as an example, terminal 1, terminal 2 and terminal 3 are in an offline state, and terminal 4 and terminal 5 are in an online state. Similarly, the terminals 1-3 send help handshake signals through the RS485 bus. The same principle is applied to the terminal 2 and the terminal 3 if the terminal 1 receives the self status reply messages of the terminal 2-the terminal 5. At this point, the terminal 4 will establish a confirmation relationship prior to the terminal 1, i.e. the operational data of the elevator controller 1 will be sent to the cloud platform via the terminal 4. While the remaining terminals 5 will establish an acknowledge relationship with both the terminals 2 and the terminals 3 off-line, i.e. the terminals 5 will take over the task of transmitting the operating data of the elevator control 5, the elevator control 2 and the elevator control 3. Similarly, after confirming that the relationship is established, the cloud platform displays the offline terminal 1 as "online via the terminal 4", and displays both the offline terminals 2 and 3 as "online via the terminal 5".
Claims (5)
1. An Internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room,
the elevator internet of things terminal is connected with an elevator controller through a bus and adopts elevator operation data, the terminals are communicated through a multi-point data communication bus, the terminals are interconnected with the cloud platform through a network, and network link is maintained through a continuous bidirectional heartbeat mechanism; all the terminals are provided with serial numbers which are continuous, and the cloud platform acquires the serial numbers of the terminals;
when a terminal is disconnected from a network and loses connection with a cloud platform, the terminal cannot receive heartbeat messages of the cloud platform, and the terminal judges that the terminal is offline and marks as an offline terminal A; the off-line terminal A sends help-seeking handshake information containing an ID number and an off-line help-seeking signal to other terminals through a multi-point data communication bus, the other terminals judge whether the off-line terminal A is on line or not according to two-way heartbeat, and after the on-line terminal A is confirmed, a response handshake signal is sent to the help-seeking off-line terminal A, wherein the response handshake signal contains the ID number and an on-line condition signal thereof;
after receiving the help-seeking response handshake signals of the other online terminals, the offline terminal A determines the online states of the other terminals at the moment, when the other terminals are online, the offline terminal A sends a confirmation data transmission signal to the adjacent terminal, and after receiving the confirmation data transmission signal, the adjacent terminal starts to be connected with the offline terminal through a multi-point data communication bus to acquire the running data of the corresponding elevator controller and sends the running data to the cloud platform;
when the other terminals also have the offline terminal, the offline terminal is marked as an offline terminal B, and if the offline terminal B uploads data to the cloud platform through other online terminals, the offline terminal A searches for the nearest terminal in the other online terminals and sends a confirmation data transmission signal to the nearest terminal; if the offline terminal B does not upload data to the cloud platform through other online terminals, the offline terminal B sends a signal for replying that the offline terminal B is also offline to the offline terminal A, the offline terminal B also sends help-seeking handshake information to other terminals, the offline terminal A replies the signal for replying that the offline terminal B is also offline to the offline terminal B, the offline terminals B also mutually reply the signal for replying that the offline terminal B is also offline, and the online terminals send response handshake signals to all the offline terminals seeking help; when the total number of the off-line terminals is less than or equal to the number of the on-line terminals, the off-line terminals send confirmation data transmission signals to the closest terminal in the terminals which are on-line and only receive data of one elevator controller, the off-line terminals select corresponding on-line terminals one by one according to the serial number sequence, and after receiving the confirmation data transmission signals, the on-line terminals start to receive elevator control operation data acquired by the corresponding off-line terminals and send the elevator control operation data to the cloud platform; and when the total number of the off-line terminals is greater than that of the on-line terminals, the off-line terminals preferentially send confirmation data transmission signals to the on-line terminals with the least load.
2. The Internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room as in claim 1, characterized in that: the cloud platform displays the offline terminal state as an "online" style and marks "online via terminal X", wherein terminal X is an online terminal that accepts the offline terminal data.
3. The Internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room as in claim 1, characterized in that: and if the offline terminal is restored to be online again, the offline terminal sends the information of restoring online to the corresponding terminal through the multipoint data communication bus, after receiving the information, the corresponding online terminal requests the platform to release the acquired operation data of the elevator controller of the corresponding offline terminal, and then the two terminals restore independent operation and respectively independently send the operation data of the elevators to the cloud platform.
4. The Internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room as in claim 2, characterized in that: if the offline terminal is restored to be online again, the offline terminal sends online restoring information to the corresponding terminal through the multipoint data communication bus, the corresponding online terminal requests the platform to release the acquired running data of the elevator controller of the corresponding offline terminal after receiving the information, the prompt information of the offline terminal, namely the running data of the elevator controller is online through the terminal X, is cancelled after the platform receives the request, the normal online is displayed, then the two terminals restore to operate independently, and the running data of the elevators are respectively and independently sent to the cloud platform.
5. The Internet of things terminal online rate improving method under the scene of multiple elevators in the same machine room as in any one of claims 1 to 4, characterized in that: the terminal of the Internet of things of the elevator is connected with the elevator controller through a CAN bus and is cascaded through an RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010428405.0A CN111634765A (en) | 2020-05-20 | 2020-05-20 | Internet of things terminal online rate improving method under scene of multiple elevators in same machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010428405.0A CN111634765A (en) | 2020-05-20 | 2020-05-20 | Internet of things terminal online rate improving method under scene of multiple elevators in same machine room |
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| Publication Number | Publication Date |
|---|---|
| CN111634765A true CN111634765A (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010428405.0A Withdrawn CN111634765A (en) | 2020-05-20 | 2020-05-20 | Internet of things terminal online rate improving method under scene of multiple elevators in same machine room |
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| Country | Link |
|---|---|
| CN (1) | CN111634765A (en) |
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2020
- 2020-05-20 CN CN202010428405.0A patent/CN111634765A/en not_active Withdrawn
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Application publication date: 20200908 |
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