CN111787078B - Signaling control system and communication method based on elevator Internet of things - Google Patents
Signaling control system and communication method based on elevator Internet of things Download PDFInfo
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- 230000011664 signaling Effects 0.000 title claims abstract description 96
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- 230000007175 bidirectional communication Effects 0.000 abstract description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Indicating And Signalling Devices For Elevators (AREA)
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Abstract
The invention relates to the technical field of elevator Internet of things system research and development, in particular to a signaling server based on elevator Internet of things, which comprises an application server, a signaling server and at least more than two terminal devices, wherein the signaling server, the application server and the terminal devices establish communication through Ethernet and a contract protocol, and the advantage is that: the signaling server is applied to hardware equipment in the elevator Internet of things, and comprises data acquisition equipment, emergency rescue terminals, emergency rescue seats and other equipment, the data acquisition equipment sends acquired elevator real-time operation data to the emergency rescue terminals and the emergency rescue seats through the signaling server, the arrival rate and success rate are greatly improved through the signaling server, compared with other elevator Internet of things technologies, the success rate of seeking help to a rescue center when passengers get trapped in an elevator is greatly improved, and millisecond-level delay is achieved, so that the instantaneity of the whole bidirectional communication process is guaranteed.
Description
Technical Field
The invention relates to the technical field of elevator Internet of things system research and development, in particular to a signaling server and a communication method based on an elevator Internet of things.
Background
The normal device-to-device, application-to-application or application-to-device communication modes all follow the protocol principle of TCP/IP communication, and no matter the transmission of TCP or UDP, the communication modes are all connected into a communication channel in the form of an IP address binding port, so that the mutual data transmission or data service is realized. The communication mode is very easy to realize the effect expected by engineering projects under the LAN environment, but if the communication mode is applied to a WAN, and the network transmission of the Internet is formed by multiple layers of communication links and different routes and firewall equipment, so that the communication connection and data transmission must be managed by an intermediate equipment and the detection of the safety of data packets, the communication cannot be realized without the link and the data transmission agreed by the equipment safety mechanism, and a communication channel cannot be formed.
If no party performs the equipment configuration and connection convention of the safety penetration to the other party, the equipment loses the direction of establishing transmission in the multi-layer network environment, so that a communication channel cannot be constructed, and data transmission cannot be realized. Therefore, the network of both parties must be fully configured to realize data communication, then one party is transparent to access the rules, and the other party initiates connection according to the rules to establish a communication link. This situation is easily achieved if only a single one-to-one device communication is possible, and simply cannot be achieved if multiple devices are present and cross-platform.
In practical applications, the one-to-one communication mode is a few, most of the communication modes are multi-device cross-platform communication, and if the multi-device cross-platform data communication is to be realized, the communication modes must be completed in an intermediate service mode. An intermediate server is established, the communication connection mode and the protocol convention for forming the connection are transparent, and then different devices are connected to the intermediate server according to the convention, so that the problem of data exchange of all devices or applications is solved.
At present, the data communication of the elevator Internet of things is basically a multi-equipment cross-platform communication mode. The communication of the elevator Internet of things mainly comprises three types of data, wherein the first type of data is real-time data collected by elevator operation; the second is control data for running control interactions; the third is the data of the video voice transmission. Because the construction and data transmission of the communication link are realized by adopting an intermediate service mode, all the data pushed and received by the equipment are in the same position, after the data is uploaded by one piece of equipment, the data can be read and transmitted by other connected equipment, and if the data is the communication of video and voice data, the data is changed into one-to-many data broadcasting. The method is a serious waste from the aspect of communication resources, unnecessary transmission is caused, and secret management and exchange of sensitive data cannot be realized from the aspect of data security. The effect of data communication is realized, a large amount of bandwidth, storage, calculation, forwarding and other data communication service resources are consumed, disorder transmission exists, a large amount of data retrieval problems during data forwarding can be caused, meanwhile, as the magnitude of equipment or application grows, the input resources are not enough for the increment development of practical application due to invalid processing, communication blocking can be formed sometimes to cause communication interruption, and the method belongs to a data communication mode with poor efficiency.
Disclosure of Invention
One of the purposes of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a signaling server based on the internet of things of an elevator.
One of the purposes of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art, and to provide a signaling server communication method based on the internet of things of an elevator.
In order to solve the technical problems, the invention adopts the following technical scheme: the signaling server based on the elevator Internet of things comprises an application server, a signaling server and at least more than two terminal devices, wherein the signaling server, the application server and the terminal devices establish communication through Ethernet and a contract protocol.
And the information server coordinates the communication type, the data mode and the transmission agreed protocol of the terminal equipment or the application server and performs scheduling management of forwarding resources.
The signaling server, the application server and the terminal equipment verify the communication smoothness or communication state of the network through heartbeat detection with low consumption.
And the terminal equipment or the application server actively transmits the communication address or the resource data information to the signaling server.
A method of communication established by any of the above signaling servers: the method comprises the following steps:
when one terminal and the other terminal initiate communication to exchange data, one terminal carries out network request on communication information of the signaling server so as to expect to obtain the communication address of the other terminal;
b, the signaling server requests the communication request of one terminal to the other terminal, and at the moment, the communication address of the other terminal is obtained;
and C, one terminal establishes communication between the two terminals after passing the obtained communication address of the other terminal.
D, the signaling server establishes communication with the application server;
e, the signaling server communicates with the application server and acquires resource address information from the application server;
f, the signaling server forwards the obtained resource address information to one terminal and the other terminal;
g, establishing an application server of the application server by the terminal and the other terminal through the obtained resource address information;
wherein the communication information comprises any one or a combination of a plurality of communication objects, communication types or protocol conditions.
Wherein, the communication address also comprises an IP address, a communication port or a domain name.
The application server, the signaling server and at least more than two terminal devices establish communication links through an authenticated communication mode.
A communication method of a signaling server comprises the following steps: the terminal equipment is equipment A and equipment B, the application server is a resource server, and the communication steps are as follows:
a, a request for establishing communication with a device B is initiated to a signaling server by the device A;
b, forwarding the communication request of the equipment A to the equipment B by a signaling server;
c, the equipment B returns an instruction for agreeing to establish communication connection to the signaling server;
d, the signaling server sends a communication request of the equipment A and the equipment B to the resource server;
e, the resource server returns the appointed communication address to the signaling server;
f, the signaling server returns the appointed communication address to the equipment A and the equipment B;
g, the device A establishes communication with the device B in the resource server through the designated address.
A communication method for acquiring resources by multiple devices comprises the following steps: the terminal equipment is equipment A and equipment B, the application server is a media server, and the communication steps are as follows:
a, a device A sends a resource data request to a signaling server;
b, forwarding the resource data request of the equipment A to the equipment B by a signaling server;
c, the equipment B sends an application for acquiring a resource uploading address to the signaling server;
d, the signaling server requests the media server for uploading the equipment B resource;
e, the equipment B returns a resource uploading address or a resource request address to the signaling server;
f, the signaling server returns the resource uploading address or the resource request address to the equipment A or the equipment B;
g, establishing communication with the media server by the equipment B and uploading resources to the media server;
and H, establishing communication between the equipment A and the media server and downloading and acquiring the resource data of the equipment B.
Compared with the prior art, the beneficial effects are that: the signaling server is applied to hardware equipment in the elevator Internet of things, and comprises data acquisition equipment, emergency rescue terminals, emergency rescue seats and other equipment, the data acquisition equipment sends acquired elevator real-time operation data to the emergency rescue terminals and the emergency rescue seats through the signaling server, the arrival rate and success rate are greatly improved through the signaling server, compared with other elevator Internet of things technologies, the success rate of seeking help to a rescue center when passengers get trapped in an elevator is greatly improved, and millisecond-level delay is achieved, so that the instantaneity of the whole bidirectional communication process is guaranteed.
Drawings
FIGS. 1-2 are schematic diagrams of conventional communication schemes in the background;
FIG. 3 is a schematic diagram illustrating a communication structure according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a communication scheme in embodiment 3;
fig. 5 is a schematic diagram of a communication scheme in embodiment 4.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Example 1: referring to fig. 3-5, a signaling server based on the internet of things of an elevator comprises an application server, a signaling server and at least more than two terminal devices.
The number of the terminal devices can be two or more, and the terminal devices can be mobile phone terminals, elevator display screen terminals or other media or transaction processing terminals.
The signaling server, the application server and the terminal device establish communication through ethernet and by a contract protocol, and in this embodiment, the application server may be a video application server, a monitoring application server or other media servers, and servers such as file copying, storing, reading, etc., which are all in the specific application.
In the above embodiment, the ethernet includes wired connection or ethernet communication established using the mobile internet.
And the information server coordinates the communication type, the data mode and the transmission agreed protocol of the terminal equipment or the application server and performs scheduling management of forwarding resources.
The signaling server, the application server and the terminal device verify the communication smoothness or communication state of the network through heartbeat detection with low consumption, and for the detection process, the signaling server can be actively sent by the terminal device or the signaling server can be actively sent to the terminal device or the application server at regular time, the sending interval can be freely set, and the corresponding protocol can be a public low-flow communication protocol or a private communication protocol.
And the terminal equipment or the application server actively transmits the communication address or the resource data information to the signaling server.
For the above-mentioned resource data information, different types of parameters or address information and the like are provided according to different application servers.
The signaling server can be used for efficiently scheduling and utilizing resources among devices in the communication process under the condition of ensuring safety, so that an elastic capacity-increasing mechanism is established for the increase of the devices with an order of magnitude, the lightest-weight device investment is realized, the most efficient data communication effect is generated, and the data safety is ensured due to the communication mode based on a protocol mechanism. Because the equipment or the application actively initiates the basic communication with the signaling system, the safety configuration or the route setting of the communication among the equipment is eliminated, thereby solving the communication environment problem formed by the construction of a plurality of layers of complex networks, and realizing the limitation that the data communication is completely separated from a network connection mode, communication hardware and a communication access mode. As long as the public network can be accessed, all data communication exchanges can be realized no matter what network structure.
Example 2: a method of communication established by any of the above signaling servers: the method comprises the following steps:
when one terminal and the other terminal initiate communication to exchange data, one terminal carries out network request on communication information of the signaling server so as to expect to obtain the communication address of the other terminal;
b, the signaling server requests the communication request of one terminal to the other terminal, and at the moment, the communication address of the other terminal is obtained;
and C, one terminal establishes communication between the two terminals after passing the obtained communication address of the other terminal.
D, the signaling server establishes communication with the application server;
e, the signaling server communicates with the application server and acquires resource address information from the application server;
f, the signaling server forwards the obtained resource address information to one terminal and the other terminal;
g, establishing an application server of the application server by the terminal and the other terminal through the obtained resource address information.
Wherein the communication information comprises any one or a combination of a plurality of communication objects, communication types or protocol conditions.
The communication address also comprises an IP address, a communication port or a domain name, or other corresponding communication interface address information is configured according to the requirements of different communication protocols and modes.
The application server, the signaling server and at least more than two terminal devices establish communication links through an authenticated communication mode.
The signaling server establishes an intermediate communication management service, and a transaction management communication control system is required to be constructed for realizing multi-equipment and multi-application cross-platform communication connection and data transmission due to the diversity of communication and data transmission modes of applications and different equipment functions in the elevator Internet of things.
The constructed intermediate service coordinates the communication types, data modes and transmission agreed protocols of all the devices and performs scheduling management of forwarding resources, so that the communication efficiency among the devices and the efficient utilization of the switching resources are realized. And the signaling server is accessed by adopting an authentication service mode, so that the safety and reliability of equipment access are ensured. Meanwhile, the signaling server adopts heartbeat detection with low consumption to verify the smoothness of network communication, so that the real-time on-line state of equipment or application can be effectively monitored and managed.
Example 3: a communication method of a signaling server comprises the following steps: the terminal equipment is equipment A and equipment B, the application server is a resource server, and the communication steps are as follows:
a, a request for establishing communication with a device B is initiated to a signaling server by the device A;
b, forwarding the communication request of the equipment A to the equipment B by a signaling server;
c, the equipment B returns an instruction for agreeing to establish communication connection to the signaling server;
d, the signaling server sends a communication request of the equipment A and the equipment B to the resource server;
e, the resource server returns the appointed communication address to the signaling server;
f, the signaling server returns the appointed communication address to the equipment A and the equipment B;
g, the device A establishes communication with the device B in the resource server through the designated address.
Example 4: a communication method for acquiring resources by multiple devices comprises the following steps: the terminal equipment is equipment A and equipment B, the application server is a media server, and the communication steps are as follows:
a, a device A sends a resource data request to a signaling server;
b, forwarding the resource data request of the equipment A to the equipment B by a signaling server;
c, the equipment B sends an application for acquiring a resource uploading address to the signaling server;
d, the signaling server requests the media server for uploading the equipment B resource;
e, the equipment B returns a resource uploading address or a resource request address to the signaling server;
f, the signaling server returns the resource uploading address or the resource request address to the equipment A or the equipment B;
g, establishing communication with the media server by the equipment B and uploading resources to the media server;
and H, establishing communication between the equipment A and the media server and downloading and acquiring the resource data of the equipment B.
The signaling server is applied to hardware equipment in the elevator Internet of things, and comprises data acquisition equipment, emergency rescue terminals, emergency rescue seats and other equipment, the data acquisition equipment sends acquired elevator real-time operation data to the emergency rescue terminals and the emergency rescue seats through the signaling server, the arrival rate and success rate are greatly improved through the signaling server, compared with other elevator Internet of things technologies, the success rate of seeking help to a rescue center when passengers get trapped in an elevator is greatly improved, and millisecond-level delay is achieved, so that the instantaneity of the whole bidirectional communication process is guaranteed.
Example 5: the application of the communication method in the elevator rescue system comprises a rescue terminal, an emergency rescue seat terminal, a signaling server and a video application server, wherein when video communication needs to be established between the rescue terminal and the emergency rescue seat terminal:
and A, acquiring the communication address of the emergency rescue seat terminal from the signaling server by the rescue terminal.
And B, the signaling server requests the emergency rescue seat terminal to acquire the communication address of the emergency rescue seat terminal and forwards the communication address to the rescue terminal.
The rescue terminal establishes communication between the emergency rescue seat terminal and the rescue terminal according to the communication address of the emergency rescue seat terminal;
d, the signaling server establishes communication with the video server;
e, the signaling server communicates with the video server and acquires resource address information from the video server;
f, the signaling server forwards the obtained resource address information to the emergency rescue seat terminal and the rescue terminal;
and G, establishing video service of the video server by the emergency rescue seat terminal and the rescue terminal through the obtained resource address information.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (2)
1. A communication method of a signaling server comprises the following steps: the signaling server establishes communication with the application server and at least 2 terminal devices through Ethernet and by a contract protocol, the terminal devices are device A and device B, the application server is a resource server, and the communication steps are as follows:
a, a request for establishing communication with a device B is initiated to a signaling server by the device A;
b, forwarding the communication request of the equipment A to the equipment B by a signaling server;
c, the equipment B returns an instruction for agreeing to establish communication connection to the signaling server;
d, the signaling server sends a communication request of the equipment A and the equipment B to the resource server;
e, the resource server returns the appointed communication address to the signaling server;
f, the signaling server returns the appointed communication address to the equipment A and the equipment B;
g, the device A establishes communication with the device B in the resource server through the designated address.
2. A communication method for acquiring resources by multiple devices comprises the following steps: the method comprises a signaling server, an application server and at least 2 terminal devices, wherein the signaling server, the application server and the at least 2 terminal devices establish communication through Ethernet and by a contract protocol, the terminal devices are a device A and a device B, the application server is a media server, and the communication steps are as follows:
a, a device A sends a resource data request to a signaling server;
b, forwarding the resource data request of the equipment A to the equipment B by a signaling server;
c, the equipment B sends an application for acquiring a resource uploading address to the signaling server;
d, the signaling server requests the media server for uploading the equipment B resource;
e, the equipment B returns a resource uploading address or a resource request address to the signaling server;
f, the signaling server returns the resource uploading address or the resource request address to the equipment A or the equipment B;
g, establishing communication with the media server by the equipment B and uploading resources to the media server;
and H, establishing communication between the equipment A and the media server and downloading and acquiring the resource data of the equipment B.
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| CN112203040B (en) * | 2020-11-06 | 2023-01-13 | 通号通信信息集团有限公司 | Railway emergency communication method and system based on communication conference |
| CN116506468B (en) * | 2023-06-01 | 2023-11-10 | 润得科技(深圳)有限公司 | Communication system and method of elevator internet of things |
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