CN113602923A - Elevator data communication system and method - Google Patents
Elevator data communication system and method Download PDFInfo
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- CN113602923A CN113602923A CN202110981816.7A CN202110981816A CN113602923A CN 113602923 A CN113602923 A CN 113602923A CN 202110981816 A CN202110981816 A CN 202110981816A CN 113602923 A CN113602923 A CN 113602923A
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- communication
- data
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- car
- elevator
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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
- B66B1/3446—Data transmission or communication within the control system
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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
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses an elevator data communication system and method, which relate to the technical field of elevator communication and comprise a car communication transmitting system, a car communication receiving system and a control box, wherein the car communication transmitting system comprises a data transmitting module, a coding module and an optical communication transmitting module; the data transmission module, the coding module, the optical communication transmission module, the decoding module, the optical communication receiving module and the data processing module are sequentially connected, and the data processing module is further connected with the control box. The elevator car information transmission is realized through a visible light communication technology, the defects that the existing radio wave or wireless network realizes cableless communication signal safety performance is low, electromagnetic interference is large, power consumption is large during long-distance transmission, normal operation cannot be realized during power failure and the like can be effectively overcome, and the elevator car information transmission system has the characteristics of environmental friendliness, no electromagnetic interference, low power consumption, high safety performance and the like.
Description
Technical Field
The invention relates to the field of elevator communication, in particular to an elevator data communication system and method.
Background
With the increase of high-rise buildings, the elevator is used more and more frequently, belongs to special equipment, has high requirements on the reliability and safety of data transmission due to the particularity of the application field, but has serious damage to data transmission signals in the elevator due to the special application environment of an elevator shaft, can generate electromagnetic radiation on cables in the elevator shaft, and has different types, intensities and characteristics of the electromagnetic radiation.
In the prior art, there are several ways of communicating data in an elevator: (1) optical fiber communication, which requires optical fiber wiring and is easy to break, and limits the transmission distance of the network cable; (2) in the wireless WIFI communication mode, wiring is not needed, but WIFI signals are easily interfered, and the data transmission stability is not high; (3) in power carrier communication, existing cables of an elevator are utilized without wiring, but the field environment, the operation noise of the elevator and crosstalk coupling among wires can cause certain influence on communication performance.
Therefore, it is an urgent need for those skilled in the art to establish a secure and reliable communication channel to improve the communication speed and to protect against electromagnetic interference.
Disclosure of Invention
In view of the above, the present invention provides an elevator data communication system and method, which establishes a safe and reliable communication channel to improve communication speed and avoid electromagnetic interference.
In order to achieve the purpose, the invention adopts the following technical scheme: in one aspect, an elevator data communication system is provided, which comprises a car communication transmitting system, a car communication receiving system and a control box, wherein the car communication transmitting system comprises a data transmitting module, an encoding module and an optical communication transmitting module, and the car communication receiving system comprises a decoding module, an optical communication receiving module and a data processing module; the data transmission module, the coding module, the optical communication transmission module, the decoding module, the optical communication receiving module and the data processing module are sequentially connected, and the data processing module is further connected with the control box.
The elevator comprises an elevator car, a traction wheel and a traction steel wire rope, the control box and the traction steel wire rope are connected with the traction wheel, the control box receives a control command of the optical communication receiving module and is used for controlling the rotation state of the traction wheel, the traction steel wire rope winds the traction wheel to be bent in an alternating mode, the other end of the traction steel wire rope is connected with the elevator car, and the traction steel wire rope controls the elevator car to ascend and descend.
The number of the optical communication sending modules and the number of the optical communication receiving modules are at least 2, and the optical communication sending modules and the optical communication receiving modules are arranged adjacently after being paired.
The system also comprises a wired communication module which is connected to each elevator shaft communication terminal through a cable and is used for carrying out wired data communication.
The monitoring switching module is connected with the wired communication module and the optical communication receiving module and used for monitoring communication quality and selecting wired communication or optical communication for data communication according to a preset communication switching rule.
On the other hand, the elevator data communication method is applied to a car communication transmitting system, the car communication transmitting system is used for sending and storing communication data, and the specific steps comprise the following steps:
the car communication transmitting system acquires communication data;
the car communication transmitting system encodes the communication data into optical signals to obtain optical signal data;
and the car communication transmitting system transmits the optical signal data to a car communication receiving system.
An elevator data communication method is applied to a car communication receiving system, the car communication receiving system is used for receiving and processing communication data, and the method specifically comprises the following steps:
the car communication receiving system receives optical signal data of the car communication transmitting system;
the car communication receiving system decodes the optical signal data to obtain electrical signal data;
and the car communication receiving system controls the lifting of the elevator car according to the electric signal data.
Preferably, if the transmission of the optical signal data is interrupted, acquiring a transmission progress of the optical signal data, and stopping transmitting the optical signal data to a car communication receiving system; and if the optical signal data is recovered to be transmitted, continuing to transmit according to the transmission progress of the optical signal data.
Through the technical scheme, the invention discloses and provides an elevator data communication system and method, and compared with the prior art, the elevator data communication system and method have the following beneficial technical effects:
(1) the invention realizes the information transmission of the elevator car through the visible light communication technology, can effectively overcome the defects of low safety performance, large electromagnetic interference, large power consumption during long-distance transmission, abnormal operation in power failure and the like of the existing wireless wave or wireless network for realizing the cableless communication signal, and has the characteristics of environmental protection, no electromagnetic interference, low power consumption, high safety performance and the like.
(2) The visible light communication system is low in power consumption, can be compatible with an elevator car lighting circuit, is convenient and quick in power wiring, can still enable the communication system to normally operate by using a backup power supply under the condition that power failure occurs due to the failure of an elevator, and meanwhile can upload failure information to maintenance personnel in time and broadcast multimedia information for the elevator car, so that the psychological pressure of trapped passengers is relieved.
(3) The technical scheme of switching between wired communication and optical communication according to the communication switching rule is adopted, so that channel resources can be more fully and reasonably applied, and the best communication effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment 1 of the invention discloses an elevator data communication system, which comprises a car communication transmitting system, a car communication receiving system and a control box, wherein the car communication transmitting system comprises a data transmitting module, a coding module and an optical communication transmitting module; the data sending module, the coding module, the optical communication sending module, the decoding module, the optical communication receiving module and the data processing module are sequentially connected, and the data processing module is further connected with the control box.
The elevator comprises a control box, a traction wheel, a traction steel wire rope, a control box and a traction steel wire rope, wherein the control box and the traction steel wire rope are connected with the traction wheel, the control box receives a control command of an optical communication receiving module and is used for controlling the rotation state of the traction wheel, the traction steel wire rope is bent around the traction wheel in an alternating mode, the other end of the traction steel wire rope is connected with the elevator car, and the traction steel wire rope controls the lifting of the elevator car.
The optical communication receiving module used for receiving the optical signal and the optical communication sending module used for sending the visible light signal are both arranged on the inner surface of the elevator car; the number of the optical communication sending modules and the number of the optical communication receiving modules are at least 2, and the optical communication sending modules and the optical communication receiving modules are arranged in a pairwise-paired-up and adjacent-backward manner, so that the optical communication receiving and sending device can receive optical signals from multiple directions and can also send the optical signals to the multiple directions to ensure that the receiving and sending of optical signal data are realized.
The system also comprises a wired communication module which is connected to each elevator shaft communication terminal through a cable and is used for carrying out wired data communication.
The monitoring switching module is connected with the wired communication module and the optical communication receiving module and used for monitoring communication quality and selecting wired communication or optical communication for data communication according to a preset communication switching rule.
Further, the communication switching rule is as follows: and judging whether the optical communication signal-to-noise ratio is in a good signal interval, if so, selecting optical communication, otherwise, judging whether the wired data communication signal-to-noise ratio is in a good signal interval, and if so, selecting wired data communication.
It should be noted that, for wired communication, the signal-to-noise ratio is greater than or equal to 20, i.e. a good signal interval; for optical communication, the signal-to-noise ratio is greater than or equal to 30, namely a good signal interval.
Embodiment 2 of the present invention discloses an elevator data communication method, as shown in fig. 2, which is applied to a car communication transmitting system, the car communication transmitting system is used for sending and storing communication data, and the specific steps include the following:
the car communication transmitting system acquires communication data;
the car communication transmitting system encodes the communication data into optical signals to obtain optical signal data;
the car communication transmitting system transmits the optical signal data to the car communication receiving system.
An elevator data communication method is applied to a car communication receiving system, the car communication receiving system is used for receiving and processing communication data, and the method specifically comprises the following steps:
the car communication receiving system receives optical signal data of the car communication transmitting system;
the car communication receiving system decodes the optical signal data to obtain electrical signal data;
and the car communication receiving system controls the lifting of the elevator car according to the electric signal data.
Further, if the transmission of the optical signal data is interrupted, acquiring the transmission progress of the optical signal data, and stopping transmitting the optical signal data to the car communication receiving system; and if the optical signal data is recovered to be transmitted, continuing to transmit according to the transmission progress of the optical signal data.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An elevator data communication system is characterized by comprising a car communication transmitting system, a car communication receiving system and a control box, wherein the car communication transmitting system comprises a data transmitting module, a coding module and an optical communication transmitting module; the data transmission module, the coding module, the optical communication transmission module, the decoding module, the optical communication receiving module and the data processing module are sequentially connected, and the data processing module is further connected with the control box.
2. The elevator data communication system according to claim 1, further comprising an elevator car, a traction sheave, and a traction wire rope, wherein the control box and the traction wire rope are both connected to the traction sheave, the control box receives a control command from the optical communication receiving module and controls a rotation state of the traction sheave, the traction wire rope is bent around the traction sheave in an alternating manner, the other end of the traction wire rope is connected to the elevator car, and the traction wire rope controls lifting of the elevator car.
3. The elevator data communication system according to claim 1, wherein the number of the optical communication sending modules and the number of the optical communication receiving modules are at least 2, and the optical communication sending modules and the optical communication receiving modules are arranged adjacent to each other after being paired.
4. An elevator data communication system according to claim 1, further comprising a wired communication module connected to each of the elevator shaft communication terminals by a cable for wired data communication.
5. The elevator data communication system according to claim 4, further comprising a monitoring switching module, wherein the monitoring switching module is connected to the wired communication module, and the monitoring switching module is connected to the optical communication receiving module, and is configured to monitor communication quality and select wired communication or optical communication for data communication according to a preset communication switching rule.
6. The elevator data communication method is characterized by being applied to a car communication transmitting system, wherein the car communication transmitting system is used for sending and storing communication data, and the method comprises the following specific steps:
the car communication transmitting system acquires communication data;
the car communication transmitting system encodes the communication data into optical signals to obtain optical signal data;
and the car communication transmitting system transmits the optical signal data to a car communication receiving system.
7. An elevator data communication method is characterized by being applied to a car communication receiving system, wherein the car communication receiving system is used for receiving and processing communication data, and the method comprises the following specific steps:
the car communication receiving system receives optical signal data of the car communication transmitting system;
the car communication receiving system decodes the optical signal data to obtain electrical signal data;
and the car communication receiving system controls the lifting of the elevator car according to the electric signal data.
8. The elevator data communication method according to claim 6, wherein if the transmission of the optical signal data is interrupted, the transmission progress of the optical signal data is acquired, and the transmission of the optical signal data to a car communication receiving system is stopped; and if the optical signal data is recovered to be transmitted, continuing to transmit according to the transmission progress of the optical signal data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981816.7A CN113602923A (en) | 2021-08-25 | 2021-08-25 | Elevator data communication system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981816.7A CN113602923A (en) | 2021-08-25 | 2021-08-25 | Elevator data communication system and method |
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| Publication Number | Publication Date |
|---|---|
| CN113602923A true CN113602923A (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110981816.7A Withdrawn CN113602923A (en) | 2021-08-25 | 2021-08-25 | Elevator data communication system and method |
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| CN (1) | CN113602923A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604701A (en) * | 2022-03-16 | 2022-06-10 | 日立电梯（中国）有限公司 | Elevator optical communication device |
| CN118083718A (en) * | 2024-04-26 | 2024-05-28 | 厦门夏硕科技有限公司 | Data interaction system for single-wire transmission of elevator car |
-
2021
- 2021-08-25 CN CN202110981816.7A patent/CN113602923A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604701A (en) * | 2022-03-16 | 2022-06-10 | 日立电梯（中国）有限公司 | Elevator optical communication device |
| CN118083718A (en) * | 2024-04-26 | 2024-05-28 | 厦门夏硕科技有限公司 | Data interaction system for single-wire transmission of elevator car |
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Application publication date: 20211105 |
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| WW01 | Invention patent application withdrawn after publication |