Elevator cable following system
阅读说明：本技术 电梯随缆系统 (Elevator cable following system ) 是由 邓志辉 樊京路 李钟东 朱子裕 罗晓兰 于 2018-07-10 设计创作，主要内容包括：本发明涉及一种电梯随缆系统,其包括随缆与一对扩展盒；随缆设有固定数量的芯线,芯线包括通讯电缆；一对扩展盒分别设置于随缆的两端,一扩展盒通过通讯电缆连接另一扩展盒；扩展盒还用于连接扩展芯线。本发明提供了一种标准化的随缆产品,避免了每开发一种电梯井道随缆均需要做超过300万次至500万次的曲绕实验等非标产品导致的常见问题；随缆中的芯线数量受到控制,无需采用过多的芯线,由此减轻了随缆重量且降低了随缆成本；应用更为灵活,且信号传输的延迟受到控制；本产品能够匹配各种不同的梯型使用,能够在实现多样化的电梯功能设计的同时,极大地减少了工序流程,节约了开发时间和费用,便于批量生产,缩短新梯种开发周期。(The invention relates to an elevator cable following system, which comprises a cable following body and a pair of expansion boxes; a fixed number of core wires are arranged along with the cable, and the core wires comprise communication cables; the pair of expansion boxes are respectively arranged at two ends of the follow-up cable, and one expansion box is connected with the other expansion box through a communication cable; the expansion box is also used for connecting the expansion core wires. The invention provides a standardized cable-following product, which avoids the common problems caused by non-standard products such as the winding experiment which needs to be carried out more than 300 to 500 ten thousand times along with the cable in each elevator shaft; the number of the core wires in the cable is controlled, and excessive core wires are not needed, so that the weight of the cable is reduced, and the cost of the cable is reduced; the application is more flexible, and the delay of signal transmission is controlled; the product can be matched with different ladders for use, can greatly reduce the process flow while realizing diversified elevator function design, saves the development time and cost, is convenient for batch production, and shortens the development period of new ladders.)
1. An elevator cable following system is characterized by comprising a following cable and a pair of expansion boxes;
the cable is provided with a fixed number of core wires, wherein the core wires comprise communication cables;
the pair of expansion boxes are respectively arranged at two ends of the slave cable, and one expansion box is connected with the other expansion box through the communication cable;
the extension box is also used for connecting an extension core wire, the extension box is used for encoding an input signal of the extension core wire into an output signal and transmitting the output signal to another extension box through the communication cable, and the extension box is used for decoding the output signal received from another extension box and outputting the output signal through the extension core wire.
2. The elevator cabled system according to claim 1, further comprising said extended core for signal transmission.
3. The elevator cabled system according to claim 2, wherein the extended core comprises a video signal line, an audio signal line, a can bus, an RS485 bus, a serial output signal line, and/or a switching value signal line.
4. The elevator cabled system according to claim 1, further comprising a jacket;
the cable following part is positioned in the sheath, and the end part of the core wire of the cable following part extends out of the sheath;
the pair of expansion boxes are respectively arranged at two ends of the sheath.
5. The elevator cabled system according to claim 1, wherein said communication cable comprises a normal dedicated core, a dedicated core with self-powered function, an optical fiber, a coaxial cable and/or a network cable.
6. The elevator cabled system according to claim 1, wherein said fixed number is a natural number ranging from 15 to 40.
7. The elevator cabled system according to claim 6, wherein said fixed number is 20.
8. The elevator cabled system according to any one of claims 1 to 7, wherein the expansion box is provided with a controller, a communication cable interface terminal and an expansion core connection terminal;
the communication cable interface terminal is respectively connected with the communication cable and the controller, and the controller is also connected with the extension core wire through the extension core wire connecting terminal.
9. The elevator cabled system according to claim 8, wherein the controller is provided with a transmitting and receiving module, a coding and decoding module, a switching value input module, a switching value output module, an RS485 bus module, a controller local area network bus module and a network communication protocol module;
the transmitting and receiving module is connected with the communication cable interface terminal, and is also respectively connected with the switching value input module, the switching value output module, the RS485 bus module, the controller local area network bus module and the network communication protocol module through the coding and decoding module;
the switching value input module, the switching value output module, the RS485 bus module, the controller local area network bus module and the network communication protocol module are respectively connected with the extension core wire connecting terminal.
10. The elevator cabled system according to claim 9, wherein said extended core connection terminals comprise a switching value input terminal, a switching value output terminal, an RS485 interface, a controller local area network bus interface, and an RJ45 interface;
the switching value input terminal is connected with the switching value input module;
the switching value output terminal is connected with the switching value output module;
the RS485 interface is connected with the RS485 bus module;
the controller local area network bus interface is connected with the controller local area network bus module;
the RJ45 interface is connected with the network communication protocol module.
Technical Field
The invention relates to the field of elevators, in particular to an elevator cable following system.
Background
The elevator cable is a cable for an elevator shaft, and belongs to a mature product. The elevator follow-up cable is a cable used for connecting an elevator car with an elevator control machine room, and comprises a power supply loop, a control signal loop, a switch loop and a high-speed communication loop, which are equivalent to an aggregate of a group of wires. The elevator following cable is designed into a flat cable with 6-120 cores according to different application requirements.
The existing elevator shaft cable-following system determines the number of cable-following core wires according to design requirements and a non-standard method, the number of cores of cables of each type of elevator is possibly different, a new type of elevator is developed, the cable-following is possibly developed synchronously, and the winding experiment of more than 300 to 500 ten thousand times is required for each developed elevator shaft cable-following, if the materials are unqualified, the re-test is also required, a large amount of time, energy and money are consumed, the existing cable-following cost is high, the weight is heavy, and non-standard products are many.
Chinese patent application No. 201210247953.9 discloses a transmission circuit for elevator communication power line, signal acquisition module, the output of signal acquisition module is connected with the input of first signal frequency conversion module, the output of first signal frequency conversion module is connected with the input of frequency conversion output module, the output of frequency conversion output module is connected with the input power line of frequency conversion receiving module, the output of frequency conversion receiving module is connected with the input of second signal frequency conversion module, the output of second signal frequency conversion module is connected with the input of signal amplification module. The power line of the existing elevator system is utilized to realize the transmission of communication signals, and the power line transmission communication system which does not need independent wiring, is long-distance, low in energy consumption and low in distortion and does not need independent wiring can be realized.
Chinese patent application No. 201320016991.3 discloses a transmission device for applying plastic optical fiber to elevator control signals, which comprises an optical transceiver and a transceiver, wherein the adopted signal transmission medium is single-fiber bidirectional plastic optical fiber, and the plastic optical fiber is bound on the side of an elevator car traveling cable by a special binding belt with a circular ring. Therefore, the optical transceiver or the transceiver only needs to be fixed at the top of the elevator car, so that the cost can be saved, the signal transmission distance is long, the distortion is small, the bending is avoided, the defects of poor anti-interference performance and short transmission distance of 5-class lines in the prior art are overcome, and the defects that the dryness resistance of a coaxial cable is obviously reduced after the coaxial cable is frequently bent, the quartz optical fiber is easy to break when the coaxial cable is bent are overcome. The utility model discloses a have high-speed transmission, power consumption is few, environmental load is low and can satisfy advantages such as following large capacity information transmission, its safe and reliable, construction convenience and rate of recovery are higher.
The Chinese patent with the application number of 201611103980.3 discloses an elevator shaft data transmission device and a transmission method based on PLC technology, which comprises an A-end PLC access device and a B-end PLC access device connected with the A-end PLC access device, wherein the A-end PLC access device and the B-end PLC access device are respectively provided with a bus interface connected with an elevator control cabinet and a car, a configuration management module, a cable transmission carrier function module for transmitting analog signals or digital signals in a carrier mode, and the bus interface, the elevator data transmission system comprises a configuration management module, a cable transmission carrier function module and a power line, wherein the configuration management module is in communication connection with the cable transmission carrier function module, the power line is used for transmitting data for a transmission carrier, and an A-end PLC access device and a B-end PLC access device transmit data through the power line.
These prior art techniques do not provide standard drop cables and still render each drop cable available to an experimenter who needs to do millions of times.
Disclosure of Invention
Based on this, there is a need for an elevator cabled system.
An elevator cabled system, which comprises a cabled cable and a pair of expansion boxes; the cable is provided with a fixed number of core wires, wherein the core wires comprise communication cables; the pair of expansion boxes are respectively arranged at two ends of the slave cable, and one expansion box is connected with the other expansion box through the communication cable; the extension box is also used for connecting an extension core wire, the extension box is used for encoding an input signal of the extension core wire into an output signal and transmitting the output signal to another extension box through the communication cable, and the extension box is used for decoding the output signal received from another extension box and outputting the output signal through the extension core wire.
The elevator cable following system firstly provides a standardized cable following product, and common problems caused by non-standard products such as winding experiments needing to be performed more than 300 to 500 ten thousand times for each elevator shaft cable following development are avoided; secondly, through the design of the extension box, the number of core wires in the cable is controlled, and excessive core wires are not needed, so that the weight of the cable is reduced, and the cost of the cable is reduced; the design that a pair of extension boxes are mutually transmitted through a communication cable is adopted again, so that the application is more flexible, and the delay of signal transmission is controlled; finally, the product can be matched with various ladders for use, the use habit of the product does not need to be changed for users, and for manufacturers, the product can greatly reduce the process flow, save the development time and cost, facilitate batch production, be favorable for reducing loss and shorten the development period of new ladders while realizing diversified elevator function design.
In one embodiment, the elevator in-line system further comprises the extended core for signal transmission.
In one embodiment, the extension core wire comprises a video signal wire, an audio signal wire, a controller area network bus, an RS485 bus, a serial output signal wire and/or a switching value signal wire.
In one embodiment, the elevator cabled system further comprises a jacket; the cable following part is positioned in the sheath, and the end part of the core wire of the cable following part extends out of the sheath; the pair of expansion boxes are respectively arranged at two ends of the sheath.
Further, the pair of expansion boxes transmit signals by high-speed communication through the communication cable.
In one embodiment, the communication cable comprises a common special core wire, a special core wire with self-powered function, an optical fiber, a coaxial cable and/or a network cable.
In one embodiment, the fixed number is a natural number ranging from 15 to 40.
In one embodiment, the fixed number is 20.
In one embodiment, the extension box is provided with a controller, a communication cable interface terminal and an extension core wire connecting terminal; the communication cable interface terminal is respectively connected with the communication cable and the controller, and the controller is also connected with the extension core wire through the extension core wire connecting terminal.
In one embodiment, the controller is provided with a transmitting and receiving module, a coding and decoding module, a switching value input module, a switching value output module, an RS485 bus module, a controller local area network bus module and a network communication protocol module; the transmitting and receiving module is connected with the communication cable interface terminal, and is also respectively connected with the switching value input module, the switching value output module, the RS485 bus module, the controller local area network bus module and the network communication protocol module through the coding and decoding module; the switching value input module, the switching value output module, the RS485 bus module, the controller local area network bus module and the network communication protocol module are respectively connected with the extension core wire connecting terminal.
In one embodiment, the extended core connection terminal comprises a switching value input terminal, a switching value output terminal, an RS485 interface, a controller local area network bus interface and an RJ45 interface; the switching value input terminal is connected with the switching value input module; the switching value output terminal is connected with the switching value output module; the RS485 interface is connected with the RS485 bus module; the controller local area network bus interface is connected with the controller local area network bus module; the RJ45 interface is connected with the network communication protocol module.
Drawings
Fig. 1 is a schematic view of an elevator cabled system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the structure and connection of an expansion box according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, an elevator cabled system comprises a cabled cable and a pair of expansion boxes; the cable is provided with a fixed number of core wires, wherein the core wires comprise communication cables; the pair of expansion boxes are respectively arranged at two ends of the slave cable, and one expansion box is connected with the other expansion box through the communication cable; the extension box is also used for connecting an extension core wire, the extension box is used for encoding an input signal of the extension core wire into an output signal and transmitting the output signal to another extension box through the communication cable, and the extension box is used for decoding the output signal received from another extension box and outputting the output signal through the extension core wire. The elevator cable following system firstly provides a standardized cable following product, and common problems caused by non-standard products such as winding experiments needing to be performed more than 300 to 500 ten thousand times for each elevator shaft cable following development are avoided; secondly, through the design of the extension box, the number of core wires in the cable is controlled, and excessive core wires are not needed, so that the weight of the cable is reduced, and the cost of the cable is reduced; the design that a pair of extension boxes are mutually transmitted through a communication cable is adopted again, so that the application is more flexible, and the delay of signal transmission is controlled; finally, the product can be matched with various ladders for use, the use habit of the product does not need to be changed for users, and for manufacturers, the product can greatly reduce the process flow, save the development time and cost, facilitate batch production, be favorable for reducing loss and shorten the development period of new ladders while realizing diversified elevator function design.
In one embodiment, the elevator in-line system further comprises the extended core for signal transmission. In one embodiment, an elevator cabled system comprises a cabled cable, a pair of expansion boxes and an expansion core wire for signal transmission; the cable is provided with a fixed number of core wires, wherein the core wires comprise communication cables; the pair of expansion boxes are respectively arranged at two ends of the slave cable, and one expansion box is connected with the other expansion box through the communication cable; the extension box is also connected with the extension core wire, and is used for encoding an input signal of the extension core wire into an output signal and transmitting the output signal to another extension box through the communication cable, and decoding an output signal received from another extension box and outputting the output signal through the extension core wire. The rest of the examples are analogized. Therefore, when the product is sold, the expanded core wire or the expanded core wire terminal or the expanded core wire connection and the like can be carried, and the connection and the use of a customer are facilitated.
In one embodiment, the extension core wire comprises a video signal wire, an audio signal wire, a controller area network bus, an RS485 bus, a serial output signal wire and/or a switching value signal wire. In one embodiment, the extension core wire comprises a video signal wire, an audio signal wire, a controller area network bus, an RS485 bus, a serial output signal wire and a switching value signal wire. It is understood that the extension core includes, but is not limited to, a video signal line, an audio signal line, a can bus, an RS485 bus, a serial output signal line, and/or a switching value signal line, and the extension core may further include other signal lines according to the technical development and practical requirements. The signal lines comprise a video signal line, an audio signal line, a controller area network bus, an RS485 bus, a serial output signal line and a switching value signal line, and can be active signal lines or passive signal lines.
In one embodiment, the elevator cabled system further comprises a jacket; the cable following part is positioned in the sheath, and the end part of the core wire of the cable following part extends out of the sheath; the pair of expansion boxes are respectively arranged at two ends of the sheath. Furthermore, the sheath is provided with an 8-shaped through groove, the communication cable in the following cable is positioned in one groove body in the 8-shaped through groove, and the other core wires in the following cable are positioned in the other groove body in the 8-shaped through groove. Further, the 8-shaped through grooves are arranged asymmetrically. Furthermore, the sheath is provided with through grooves for each core wire in the following cable, and the core wires of the following cable are arranged at intervals. Furthermore, the elevator cable following system is also provided with an on-off signal detection module, the on-off signal detection module is respectively connected with each core wire in the cable following system, and the on-off signal detection module is used for detecting the on-off state of each core wire. Further, the elevator cable following system is also provided with an alarm module which is used for alarming
Further, the pair of expansion boxes transmit signals by high-speed communication through the communication cable. In one embodiment, the communication cable comprises a common special core wire, a special core wire with self-powered function, an optical fiber, a coaxial cable and/or a network cable. In one embodiment, the communication cable is a common special core wire, a special core wire with self-powered function, an optical fiber, a coaxial cable or a network wire.
In one embodiment, the fixed number is a natural number in a range from 15 to 40, it being understood that a natural number in a range from 15 to 40 includes both 15 and 40. In one embodiment, the fixed number is 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, or the like. The core wires with fixed quantity are adopted, standardization can be realized along with the cables, and common problems caused by non-standard products such as winding experiments which need to be conducted for more than 300 to 500 thousands times along with the cables in each elevator well are avoided.
In one embodiment, the extension box is provided with a controller, a communication cable interface terminal and an extension core wire connecting terminal; the communication cable interface terminal is respectively connected with the communication cable and the controller, and the controller is also connected with the extension core wire through the extension core wire connecting terminal. Thus, a standard trailing cable is provided, which adopts a fixed core wire and can be suitable for elevators of various models. One specific way is to install a device with high-speed signal acquisition, coding, decoding and analog output at two ends of the cable respectively, which is used for replacing all signal lines except the power cable output and key safety loop signals, including but not limited to video signals, audio signals, Controller Area Network (CAN) communication, RS485 or serial output signals, common switching value signals and the like.
In one embodiment, the controller is provided with a transmitting and receiving module, a coding and decoding module, a switching value input module, a switching value output module, an RS485 bus module, a controller local area network bus module and a network communication Protocol (Transmission Control Protocol/Internet Protocol, TCPIP, also called Transmission Control Protocol) module; the transmitting and receiving module is connected with the communication cable interface terminal, and is also respectively connected with the switching value input module, the switching value output module, the RS485 bus module, the controller local area network bus module and the network communication protocol module through the coding and decoding module; the switching value input module, the switching value output module, the RS485 bus module, the controller local area network bus module and the network communication protocol module are respectively connected with the extension core wire connecting terminal. In one embodiment, the extended core connection terminal comprises a switching value input terminal, a switching value output terminal, an RS485 interface, a controller local area network bus interface and an RJ45 interface; the switching value input terminal is connected with the switching value input module; the switching value output terminal is connected with the switching value output module; the RS485 interface is connected with the RS485 bus module; the controller local area network bus interface is connected with the controller local area network bus module; the RJ45 interface is connected with the network communication protocol module.
In order to meet diversified elevator function design, the invention is provided with control boxes at two ends of the following cable to complete the transmission of signals required by users. In one embodiment, the trailing cable of the elevator trailing cable system, also called standard trailing cable, consists of ordinary trailing cables with fixed core number, and is generally designed to be about 20 cores according to the common functions of the elevator. Automatic paired extension boxes, also called signal extension boxes, are integrated at two ends of the cable, namely an upper extension box and a lower extension box respectively, high-speed communication with a bandwidth of more than 100M is adopted between the extension boxes to realize signal transmission, and a transmission medium of the automatic paired extension boxes can be a common special core wire, a special core wire with a self-powered function, and also can be an optical fiber, a coaxial cable or a network cable and other communication special cables. One embodiment is shown in fig. 1, an elevator cabled system comprising a cabled cable provided with a fixed number of
In each embodiment of the invention, the expansion box comprises all communication functions of the accompanying cable and also comprises part of signal line functions with non-highest security level, and in one embodiment, the expansion box is provided with an n multiplied by 8 expandable switching value input and output interface, so that the number of terminal rows can be changed according to the requirements of users. For the user, the usage habit is not changed, and for the following cable, a standardized set of products is provided, which allows matching various ladders. In one embodiment, as shown in FIG. 2, the
The cable-following system and the expansion boxes of the embodiments jointly form the cable-following system, the cable-following system comprises the physical cables of the cable-following system and the expansion boxes respectively arranged at two ends, and compared with the original cable-following system, the cable-following system provides more flexible application, signal transmission originally carried by the cable-following system is coded into a high-speed signal system, and through testing, delay generated by the elevator cable-following system is less than 10ms, and the use of the original system is not influenced.
It should be noted that other embodiments of the present invention further include an elevator accompanying cable system which is formed by combining the technical features of the above embodiments with each other and can be implemented, and provides a standardized elevator accompanying cable, wherein the number of core wires is fixed, which is beneficial to product standardization, mass production and loss reduction, and shortens the development cycle of new elevator models.
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.
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