CN114389637A - Network communication system for elevator monitoring - Google Patents
Network communication system for elevator monitoring Download PDFInfo
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- CN114389637A CN114389637A CN202210213592.XA CN202210213592A CN114389637A CN 114389637 A CN114389637 A CN 114389637A CN 202210213592 A CN202210213592 A CN 202210213592A CN 114389637 A CN114389637 A CN 114389637A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention belongs to the technical field of elevator monitoring, in particular to a network communication system for elevator monitoring. The invention optimizes the input power supply, adopts the high-performance power supply chip, enlarges the range of the input voltage, and adds short-circuit protection to immediately cut off the input once the input voltage is too high, thereby effectively protecting the service life of the mainboard; the SIM card is protected, hot plug operation is supported on a circuit, and an anti-static circuit is designed around the SIM card, so that the service life of the SIM card is effectively protected.
Description
Technical Field
The invention relates to the technical field of elevator monitoring, in particular to a network communication system for elevator monitoring.
Background
In order to ensure the safety of the elevator in long-term operation and the real-time safety monitoring and early warning of data, the states and parameters of the motor, each sensor and the frequency converter and the geographic position of the elevator need to be uploaded to a website server and recorded in real time during the operation of the elevator, and if the parameters have problems, the background can carry out remote early warning or start protective measures.
At present, a common elevator lacks real-time monitoring and protection of background servers of all safety parameters, and once the background servers lack real-time records of all parameters when the elevator is in a problem, the situation that maintenance personnel cannot find the problem easily after the elevator is in a problem is increased, and the safety is not high because the background servers lack real-time monitoring of data and the parameters cannot give early warning or start protective measures in advance, so that a network communication system for elevator monitoring is needed.
Disclosure of Invention
The invention provides a network communication system for elevator monitoring, which solves the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a network communication system for elevator monitoring comprises a power module, wherein the power module is connected with a communication module, a network module and an antenna module;
the power module comprises a chip U7, a resistor R14, a resistor R15, a resistor R16, a resistor R18, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a capacitor C24, a diode D2, an inductor L2 and an indicator light LED3, and further comprises an output circuit II consisting of a chip U9, a resistor R14 and a capacitor C10.
Preferably, the network module comprises a chip U1, a capacitor C13, a capacitor C19, a capacitor C25, a capacitor C26, a capacitor C27 and a capacitor C28.
Preferably, the communication module includes a chip U2, a chip U3, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, and a plug J1.
Preferably, the SIM module includes a CARD socket CARD1, a resistor R7, a resistor R8, a resistor R9, a resistor R19, a capacitor C8, a capacitor C9, a capacitor C11, a capacitor C12, and a diode D1.
Preferably, the antenna module comprises an antenna connector RF2, an antenna connector RF1, a resistor R13, a resistor R24, a capacitor C33, a capacitor C32 and an inductor L1.
In the present invention,
the system optimizes the input power supply through the arranged power supply module, the communication module, the network module, the antenna module and the SIM module, adopts a high-performance power supply chip to enlarge the range of the input voltage, and adds short-circuit protection to immediately cut off the input once the input voltage is too high, thereby effectively protecting the service life of a mainboard; the SIM card is protected, hot plug operation is supported on a circuit, and an anti-static circuit is designed around the SIM card, so that the service life of the SIM card is effectively protected.
Drawings
Fig. 1 is a schematic structural diagram of a network communication system for elevator monitoring according to the present invention;
fig. 2 is a schematic structural diagram of a power module of a network communication system for elevator monitoring according to the present invention;
fig. 3 is a schematic structural diagram of a network module of a network communication system for elevator monitoring according to the present invention;
fig. 4 is a schematic structural diagram of a communication module of a network communication system for elevator monitoring according to the present invention;
fig. 5 is a schematic structural diagram of a network communication system SIM module for elevator monitoring according to the present invention;
fig. 6 is a schematic structural diagram of an antenna module of a network communication system for elevator monitoring according to 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.
Referring to fig. 1-6, a network communication system for elevator monitoring includes a power module, wherein the power module is connected with a communication module, a network module and an antenna module, the network module is connected with a SIM module, and the network module is connected with the communication module and the antenna module;
further, the power module includes a chip U7, a resistor R14, a resistor R15, a resistor R16, a resistor R18, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a capacitor C24, a diode D2, an inductor L2, and an indicator LED3, and further includes a second output circuit including a chip U9, a resistor R14, and a capacitor C10.
Preferably, the network module comprises a chip U1, a capacitor C13, a capacitor C19, a capacitor C25, a capacitor C26, a capacitor C27 and a capacitor C28.
Specifically, the communication module includes a chip U2, a chip U3, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, and a plug-in J1.
It should be noted that the SIM module includes a CARD socket CARD1, a resistor R7, a resistor R8, a resistor R9, a resistor R19, a capacitor C8, a capacitor C9, a capacitor C11, a capacitor C12, and a diode D1.
In addition, the antenna module includes an antenna connector RF2, an antenna connector RF1, a resistor R13, a resistor R24, a capacitor C33, a capacitor C32, and an inductor L1.
The first embodiment is as follows:
the model of a chip U7 of a circuit is an LMR14020SDDAR power supply chip of Texas instruments, the input voltage 24V is converted into 3.8V (VBAT) to supply power to a chip U1 of a network module, the chip U7 accurately outputs voltage and requires the cooperation of resistors R14, R15, R16 and R18, capacitors C16, C17, C18, C20, C21, C22, C23 and C24, a Schottky diode D2 and an inductor L2, and an indicator light LED3 is lightened after the voltage is output;
the output circuit II adopts a power supply chip U9 of LN1134A332MR-G of Nanlin company to convert the input 3.8V (VBAT) into 3.3V to supply power to a chip U2 of the communication module, a chip U3 chip and an antenna module, and the accurate output voltage of the power supply chip U9 needs to be matched with a resistor R14 and a capacitor C10.
Example two:
the chip U1 of the network module adopts a BG95 network chip of China Mobile corporation, and the chip U1 inputs and outputs signal lines SIM _ CLK, SIM _ DATA, SIM _ RST, SIM _ VDD and SIM _ DET of a group of SIM; chip U1 outputs 1.8V (VDD _ EXT) to supply power to SIM module; the chip U1 inputs and outputs a group of signal lines MAIN _ TXD and MAIN _ RXD of USART; the chip U1 inputs and outputs a group of USB signal lines USB _ DP and USB _ DM; the chip U1 outputs two chip STATUS signals STATUS and a network STATUS signal NET _ STATUS for controlling the light and the dark of the indicator light; a signal line ANT _ MAIN of SIM communication antenna; a GNSS located signal line ANT _ GNSS.
Example three:
the chip U2 of the communication module adopts a TXS0108EPWR level conversion chip of Texas instruments, and the chip U2 converts the levels of a group of USART signal lines MAIN _ TXD and MAIN _ RXD at the end of a BG95 network chip from 1.8V to 3.3V, and the USART signal lines MAIN _ TXD _3.3V and MAIN _ RXD _ 3.3V;
the chip U3 of the communication module adopts an SN65C3238DBR RS232 conversion chip of Texas instruments company, the chip U3 converts a group of 3.3V USART signal lines MAIN _ TXD _3.3V and MAIN _ RXD _3.3V into a group of RS232 signal lines 232_ TXD and 232_ RXD, and finally the group of RS232 signal lines are output through an RJ11 connector J1 and are communicated with an RJ11 connector J1 of an ALC controller through an RJ11 connecting line after being butted;
the RJ11 connector J1 comprises a group of RS232 signal lines, a 24V power supply input line and a ground wire, the input power supply of the plug J1 is provided by the 24V input of the J1, the RJ11 connector of the ALC also comprises a group of RS232 signal lines, a 24V power supply output line and a ground wire, and after the RJ11 connector J1 and the RJ11 connector of the ALC are butted, the ALC can input 24V voltage to the plug J1 and carry out RS232 communication; the 24V input source of the RJ11 connector J1 is also connected in series with a self-healing fuse F1 that blows to block the 24V input from the ALC to the connector J1 in the event the voltage exceeds 30V or the current is greater than 30A short circuit present state self-healing fuse F1.
Example four:
the SIM module comprises a SIM CARD holder CARD1 supporting hot plug, a peripheral matching resistor R7, a resistor R8, a resistor R9, a resistor R19, a capacitor C8, a capacitor C9, a capacitor C11 and a capacitor C12, wherein a transient suppression diode D1 is added to increase antistatic capacity, and signal lines SIM _ CLK, SIM _ DATA, SIM _ RST, SIM _ VDD and SIM _ DET of a group of input and output SIMs are connected with a SIM signal line of a chip U1 of the network module for communication.
Example five:
the antenna module consists of an SIM passive antenna circuit and a GNSS positioning active antenna circuit: the SIM passive antenna circuit consists of an IPEX antenna connector RF2, wherein an ANT _ MAIN signal line is connected with an ANT _ MAIN signal line of a chip U1 to transmit SIM radio frequency signals; the GNSS positioning active antenna circuit consists of an IPEX antenna connector RF1, an impedance matching resistor R24 and a capacitor C33, an input source is provided by 3.3V and needs the impedance matching resistor R13, an inductor L1 and a filter capacitor C32, wherein an ANT _ GNSS signal line is connected with an ANT _ GNSS signal line of a chip U1 to transmit GNSS radio-frequency signals.
The communication chip adopts a BG95 network chip of China Mobile corporation, and the chip comprises a high-pass 9205 LTE modem, so that an NB-lot network can be used in the global range and supports GSM, Cat-M1 and NB-lot networks; the system can provide a global GNSS positioning function and realize accurate positioning; the communication of network protocols such as PPP, TCP, UDP, MQTT and the like can be normally realized, and the parameters in the ALC controller can be accurately uploaded to a server at present;
the system optimizes the input power supply, adopts a high-performance power supply chip, enlarges the range of the input voltage, and adds short-circuit protection to immediately cut off the input once the input voltage is too high, thereby effectively protecting the service life of the mainboard; the SIM card is protected, hot plug operation is supported on a circuit, and an anti-static circuit is designed around the SIM card, so that the service life of the SIM card is effectively protected.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A network communication system for elevator monitoring comprises a power module, and is characterized in that the power module is connected with a communication module, a network module and an antenna module, the network module is connected with an SIM (subscriber identity module), and the network module is connected with the communication module and the antenna module;
the power module comprises a chip U7, a resistor R14, a resistor R15, a resistor R16, a resistor R18, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C20, a capacitor C21, a capacitor C22, a capacitor C23, a capacitor C24, a diode D2, an inductor L2 and an indicator light LED3, and further comprises an output circuit II consisting of a chip U9, a resistor R14 and a capacitor C10.
2. The network communication system for elevator monitoring of claim 1, wherein the network module comprises a chip U1, a capacitor C13, a capacitor C19, a capacitor C25, a capacitor C26, a capacitor C27 and a capacitor C28.
3. The network communication system for elevator monitoring as claimed in claim 1, wherein the communication module comprises a chip U2, a chip U3, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, and a plug-in J1.
4. The network communication system for elevator monitoring of claim 1, wherein the SIM module comprises CARD socket CARD1, resistor R7, resistor R8, resistor R9, resistor R19, capacitor C8, capacitor C9, capacitor C11, capacitor C12 and diode D1.
5. The network communication system for elevator monitoring of claim 1, wherein the antenna module comprises antenna connector RF2, antenna connector RF1, resistor R13, resistor R24, capacitor C33, capacitor C32 and inductor L1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210213592.XA CN114389637A (en) | 2022-03-07 | 2022-03-07 | Network communication system for elevator monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210213592.XA CN114389637A (en) | 2022-03-07 | 2022-03-07 | Network communication system for elevator monitoring |
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| Publication Number | Publication Date |
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| CN114389637A true CN114389637A (en) | 2022-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210213592.XA Pending CN114389637A (en) | 2022-03-07 | 2022-03-07 | Network communication system for elevator monitoring |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091189A (en) * | 2004-11-25 | 2007-12-19 | 意大利电信股份公司 | Joint IC card and wireless transceiver module for mobile communication equipment |
| CN208156199U (en) * | 2018-04-19 | 2018-11-27 | 彭楷文 | positioning and communication system based on SIM868 |
| CN209134405U (en) * | 2018-12-20 | 2019-07-19 | 天博电子信息科技有限公司 | A kind of low-power consumption NB-IOT transparent transmission module |
| CN209299290U (en) * | 2018-12-21 | 2019-08-23 | 广东沅朋网络科技有限公司 | Intelligent gateway circuit based on NB IOT |
| CN213126065U (en) * | 2020-10-27 | 2021-05-04 | 山东创翔电力科技有限公司 | Ammeter data acquisition gateway |
| CN213399961U (en) * | 2020-10-20 | 2021-06-08 | 潍坊奥博仪表科技发展有限公司 | Wireless data transmission module |
-
2022
- 2022-03-07 CN CN202210213592.XA patent/CN114389637A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091189A (en) * | 2004-11-25 | 2007-12-19 | 意大利电信股份公司 | Joint IC card and wireless transceiver module for mobile communication equipment |
| CN208156199U (en) * | 2018-04-19 | 2018-11-27 | 彭楷文 | positioning and communication system based on SIM868 |
| CN209134405U (en) * | 2018-12-20 | 2019-07-19 | 天博电子信息科技有限公司 | A kind of low-power consumption NB-IOT transparent transmission module |
| CN209299290U (en) * | 2018-12-21 | 2019-08-23 | 广东沅朋网络科技有限公司 | Intelligent gateway circuit based on NB IOT |
| CN213399961U (en) * | 2020-10-20 | 2021-06-08 | 潍坊奥博仪表科技发展有限公司 | Wireless data transmission module |
| CN213126065U (en) * | 2020-10-27 | 2021-05-04 | 山东创翔电力科技有限公司 | Ammeter data acquisition gateway |
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