CN216872926U - Ad hoc network system between high-low voltage switch cabinets - Google Patents
Ad hoc network system between high-low voltage switch cabinets Download PDFInfo
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- CN216872926U CN216872926U CN202220426123.1U CN202220426123U CN216872926U CN 216872926 U CN216872926 U CN 216872926U CN 202220426123 U CN202220426123 U CN 202220426123U CN 216872926 U CN216872926 U CN 216872926U
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Abstract
The utility model discloses an ad hoc network system between high-low voltage switch cabinets, which is used for solving the problems that in the prior art, the communication transformation cost of high-low voltage lines is high, the high-low voltage lines cannot quickly acquire the data of the other side, and the safe operation of power lines is influenced. The method comprises the following steps: LoRa concentrator and monitoring module wireless connection, low-voltage switchgear includes: the first and second loRa terminal nodes are wirelessly connected with the loRa concentrator, and are connected with the first microcomputer protection measurement and control device; install third loRa terminal node and second computer protection measurement and control device on the high tension switchgear, third loRa terminal node and loRa concentrator wireless connection, third loRa terminal node and second computer protection measurement and control device are connected. The beneficial effects are that: the LoRa module performs ad hoc networking, so that the manpower, material resources and time cost for building a base station in an underground power distribution room are saved; in order to ensure the real-time property of transmission and the safety of system operation, data are transmitted through two types of LoRa terminal nodes.
Description
The technical field is as follows:
the utility model relates to the technical field of power electronics, in particular to an ad hoc network system between high-voltage and low-voltage switch cabinets.
Background art:
the high-low voltage switch cabinet is a device for connecting high-voltage or low-voltage cables as the name implies, and a common power supply station and a power substation use a high-voltage cabinet, then step down by a transformer and then go to a low-voltage cabinet, and the low-voltage cabinet goes to each power distribution box.
A plurality of power distribution rooms are positioned in a basement or a cable trench, a plurality of low-voltage switch cabinets are arranged in the power distribution rooms, 4G and 5G signals do not cover the power distribution rooms, digital control is achieved, not only is the communication network part of an old microcomputer protection measurement and control device installed on the low-voltage switch cabinet required to be modified, but also 4G and 5G base stations are required to be installed, and the communication modification cost is greatly increased; the intellectuality of electric power information is the must way of electric power trade development, and user's power consumption demand has also proposed higher and higher requirement to the electric wire netting security, and the high voltage line can't learn low voltage line current state fast, just can't quick response, if only see high voltage state and operate, may bring very big potential safety hazard to whole circuit.
The utility model has the following contents:
the utility model provides an ad hoc network system between high-voltage and low-voltage switch cabinets, which is used for solving the problems that in the prior art, the reconstruction cost of a communication network of the low-voltage switch cabinet is high, a high-voltage line cannot acquire electric power data of the low-voltage line quickly, and the safe operation of the electric power line is influenced.
An ad hoc network system between high-low voltage switch cabinets comprises: the system comprises a monitoring module, a LoRa concentrator, a plurality of low-voltage switch cabinets and a plurality of high-voltage switch cabinets;
the system comprises a low-voltage switch cabinet, a high-voltage switch cabinet, a LoRa concentrator, a monitoring module and a monitoring module, wherein the LoRa concentrator is in wireless connection with the monitoring module and is used for receiving related information of the low-voltage switch cabinet and the high-voltage switch cabinet;
the low-voltage switch cabinet is provided with a first LoRa terminal node, a second LoRa terminal node and a first microcomputer protection measurement and control device, the first LoRa terminal node and the second LoRa terminal node are in wireless connection with the LoRa concentrator, and the first LoRa terminal node and the second LoRa terminal node are connected with the first microcomputer protection measurement and control device;
a third LoRa terminal node and a second microcomputer protection and control device are installed on the high-voltage switch cabinet, the third LoRa terminal node is wirelessly connected with the LoRa concentrator, and the third LoRa terminal node is connected with the second microcomputer protection and control device;
the monitoring module is used for storing the relevant information received by the LoRa concentrator and sending a control instruction to the LoRa concentrator according to the relevant information.
Preferably, the cabinet body of the low-voltage switch cabinet is respectively an instrument room, a circuit breaker room and a cable room from top to bottom, the first microcomputer protection and measurement and control device is embedded into a room door of the instrument room, an RS485 interface is arranged on the first microcomputer protection and measurement and control device, and the first microcomputer protection and measurement and control device is electrically connected with secondary wiring of the circuit breaker room and secondary wiring of the cable room respectively and is used for collecting secondary wiring information in the low-voltage switch cabinet and performing protection action on functions protected by the low-voltage switch cabinet according to the secondary wiring information.
Preferably, the functions protected by the low-voltage switch cabinet include line protection, capacitor protection, transformer protection, motor protection, bus voltage protection and automatic backup power switching protection.
Preferably, the cabinet body of the high-voltage switch cabinet is respectively an instrument room, a circuit breaker room and a cable room from top to bottom, the second microcomputer protection and measurement and control device is embedded into a room door of the instrument room, an RS485 interface is arranged on the second microcomputer protection and measurement and control device, and the second microcomputer protection and measurement and control device is electrically connected with the secondary wiring of the circuit breaker room and the secondary wiring of the cable room respectively and is used for collecting secondary wiring information in the high-voltage switch cabinet and performing protection action on functions protected by the high-voltage switch cabinet according to the secondary wiring information.
Preferably, the first LoRa terminal node, the second LoRa terminal node and the third LoRa terminal node are LoRa terminal nodes, and each LoRa terminal node comprises a microprocessor, a power supply module, a wireless transceiver module, an antenna and an RS485 interface; the wireless receiving and transmitting module and the RS485 interface are connected with the microprocessor, the power supply module is used for supplying power to the microprocessor, the antenna is connected with the wireless receiving and transmitting module, and the RS485 interface of the LoRa terminal node is electrically connected with the RS485 of the first microcomputer protection measurement and control device and electrically connected with the RS485 of the second microcomputer protection measurement and control device.
Preferably, the LoRa concentrator includes a first LoRa concentrator and a second LoRa concentrator, and the first LoRa concentrator is wirelessly connected to the first LoRa terminal node and the second LoRa terminal node, and is used for communicating with the LoRa terminal nodes installed on the low-voltage switch cabinets in the communication range of the first LoRa concentrator; second loRa concentrator and third loRa terminal node wireless connection for with the loRa terminal node wireless connection of installing on a plurality of high tension switchgear in its communication range.
Preferably, the first LoRa terminal node is a class a terminal node, the first LoRa terminal node is used for transmitting temperature and humidity information, a heating device state, an exhaust device state and a lighting device state in the first microcomputer protection measurement and control device, and the cloud server can rapidly perform downlink communication after the class a terminal node sends an uplink transmission signal.
Preferably, the second LoRa terminal node is a class C terminal node, the second LoRa terminal node is used for transmitting the opening and closing state of the circuit breaker, the current and voltage information, the state of the alarm device and the state of the energy storage motor in the first microcomputer protection measurement and control device, and the class C terminal node continuously opens the receiving window and is closed only during transmission.
Preferably, the monitoring module comprises a cloud server, a remote monitoring center, a data conversion unit and a mobile terminal; the data conversion unit is connected with the LoRa concentrator and used for converting serial port data into IP network data and sending the IP network data to the cloud server, and the cloud server is in communication connection with the remote monitoring center and the mobile terminal respectively.
The beneficial effects of the utility model include: the high-voltage switch cabinet and the low-voltage switch cabinet are self-networked with the LoRa concentrator through LoRa terminal nodes connected with respective serial ports, data are sent to the monitoring module through the LoRa concentrator, the monitoring module sends an instruction to the low-voltage switch cabinet to obtain current electric power data of the low-voltage switch cabinet, and whether the operation which needs to be carried out by the high-voltage switch cabinet can be carried out or not is judged by the monitoring module; namely, when the high-voltage side operates, the state of the switch cabinet at the low-voltage side can be rapidly known, and a safe and accurate operation instruction is further sent through a monitoring system; moreover, a microcomputer protection measurement and control device installed on the high-low voltage switch cabinet does not need to be modified, and only a serial port is connected with the LoRa module to perform ad hoc networking, so that the manpower, material resources and time cost for building a base station are saved; and the data volume of microcomputer protection measurement and control device on the low voltage side switch cabinet is great, and in order to guarantee the real-time nature of transmission, transmit data through two kinds of loRa terminal nodes, divide into the high two kinds of data of real-time nature and the general data of real-time nature with data, upload through the loRa terminal node of different grade type respectively, guarantee the instantaneity of data and the security of system operation.
Description of the drawings:
fig. 1 is a schematic structural diagram of an ad hoc network system between high-voltage and low-voltage switch cabinets in a preferred embodiment.
Fig. 2 is a schematic structural diagram of a low-voltage switch cabinet in an ad hoc network system between high-voltage and low-voltage switch cabinets according to a preferred embodiment;
fig. 3 is a schematic structural diagram of a LoRa terminal node according to a preferred embodiment.
In the drawings: the system comprises a low-voltage switch cabinet-1, a first microcomputer protection and measurement and control device-101, a first LoRa terminal node-102, a second LoRa terminal node-103, a first LoRa concentrator-2, a high-voltage switch cabinet-3, a second microcomputer protection and measurement and control device-301, a third LoRa terminal node-302, a second LoRa concentrator-4, a data conversion unit-5, a mobile terminal-6, a cloud server-7, a remote monitoring center-8, a wireless transceiver module-a, a microprocessor-b, a power module-c and an RS485 interface-d.
The specific implementation mode is as follows:
in order to enable real-time communication between high-voltage and low-voltage switch cabinets and guarantee safe operation of a power line under the condition that transformation difficulty and cost are not greatly increased, the embodiment of the utility model provides an ad hoc network system between the high-voltage and low-voltage switch cabinets, and the preferred embodiment of the utility model is explained in the following by combining with the attached drawings of the specification.
Referring to fig. 1 to fig. 3, an ad hoc network system between high and low voltage switch cabinets includes: monitoring module, loRa concentrator, a plurality of low tension switchgear 1 and a plurality of high tension switchgear 3.
Specifically, the monitoring module comprises a cloud server 7, a remote monitoring center 8, a data conversion unit 5 and a mobile terminal 6; the data conversion unit 5 is connected with the LoRa concentrator, and is configured to convert the relevant serial data received from the LoRa concentrator into IP network data, and send the IP network data to the cloud server 7, and the cloud server 7 is in communication connection with the remote monitoring center 8 and the mobile terminal 6, respectively. The cloud server 7 stores the information sent by the LoRa concentrator, and sends a corresponding control instruction to the LoRa concentrator after analysis processing is performed by the remote monitoring center 8. The remote monitoring center 8 can display the condition of the whole high-low voltage line, make corresponding judgment and send an accurate operation instruction to the corresponding high-low voltage switch cabinet. The mobile terminal 6 can also monitor power data in real time and can operate the high-low voltage switch cabinet under a certain authority.
The LoRa concentrator is in wireless connection with the monitoring module and is used for receiving related information of the low-voltage switch cabinet 1 and the high-voltage switch cabinet 3; and the LoRa concentrator is used for carrying out ad hoc network with the corresponding LoRa terminal node. The LoRa technique has received increasing attention in recent years as a long-distance communication technique for low-power wide area networks, which is based on chirp spread spectrum modulation, which maintains the same low-power consumption characteristics as FSK modulation, but significantly increases the communication distance. The ad hoc network system in the embodiment of the utility model uses a star networking structure and is communicated with a plurality of LoRa terminal nodes through one LoRa concentrator. However, there may be a certain distance between the substation and the distribution room, and therefore, one LoRa concentrator is adopted by a plurality of high-voltage switch cabinets 3, and one LoRa concentrator is adopted by a plurality of low-voltage switch cabinets 1 to perform communication as a gateway. Specifically, the LoRa concentrator includes a first LoRa concentrator 2 and a second LoRa concentrator 4, where the first LoRa concentrator 2 is wirelessly connected to a first LoRa terminal node 102 and a second LoRa terminal node 103, and is configured to communicate with LoRa terminal nodes installed on a plurality of low-voltage switch cabinets 1 within a communication range of the first LoRa concentrator; the second LoRa concentrator 4 is wirelessly connected to the third LoRa terminal node 302, and is configured to wirelessly connect to the LoRa terminal nodes installed on the plurality of high-voltage switch cabinets 3 within a communication range of the second LoRa concentrator.
A first loRa terminal node 102, a second loRa terminal node 103 and a first microcomputer protection and control device 101 are installed on the low-voltage switch cabinet 1, the first loRa terminal node 102 and the second loRa terminal node 103 are both in wireless connection with a loRa concentrator, and the first loRa terminal node 102 and the second loRa terminal node 103 are connected with the first microcomputer protection and control device 101; the cabinet body from the top down of low-voltage switchgear 1 is the instrument room respectively, circuit breaker room and cable chamber, install in 1 internal portion of cabinet or outside of low-voltage switchgear of first loRa terminal node 102 and second loRa terminal node 103, external signal is better, on the room door of first computer protection measurement and control device 101 embedding instrument room, be provided with RS485 interface d on the first computer protection measurement and control device 101, first computer protection measurement and control device 101 respectively with circuit breaker room secondary connection, cable chamber secondary connection electricity is connected, a function for gathering 1 interior secondary connection information of low-voltage switchgear and protecting according to secondary connection information to low-voltage switchgear 1 protection moves. The functions protected by the low-voltage switch cabinet 1 include line protection, capacitor protection, transformer protection, motor protection, bus voltage protection and backup power automatic switching protection. Specifically, according to the actual situation on the spot, the functions needing protection are selected, and the corresponding microcomputer protection measurement and control devices are installed in different protections. The microcomputer protection measurement and control device can collect relevant information of the secondary circuit of the circuit breaker and the secondary circuit of the cable chamber and send the relevant information to the LoRa concentrator through the LoRa terminal nodes.
A third loRa terminal node 302 and a second microcomputer protection measurement and control device 301 are installed on the high-voltage switch cabinet 3, the third loRa terminal node 302 is wirelessly connected with a loRa concentrator, and the third loRa terminal node 302 is connected with the second microcomputer protection measurement and control device 301; the cabinet body from the top down of high tension switchgear 3 is the instrument room respectively, circuit breaker room and cable chamber, third loRa terminal node 302 is installed in cabinet internal portion or outside, second computer protection measurement and control device 301 imbeds on the room door of instrument room, be provided with RS485 interface d on the second computer protection measurement and control device 301, second computer protection measurement and control device 301 respectively with circuit breaker room secondary wiring, cable chamber secondary wiring electricity is connected, be used for gathering the interior secondary wiring information of high tension switchgear 3 and carry out the protection action according to the function of secondary wiring information to high tension switchgear 3 protection.
The first LoRa terminal node 102, the second LoRa terminal node 103 and the third LoRa terminal node 302 are all LoRa terminal nodes 102, 103 and 302, and the LoRa terminal nodes 102, 103 and 302 comprise a microprocessor b, a power module c, a wireless transceiver module a, an antenna and an RS485 interface d; the wireless receiving and transmitting module a and the RS485 interface d are connected with the microprocessor b, the power supply module c is used for supplying power to the microprocessor b, the antenna is connected with the wireless receiving and transmitting module a, and the RS485 interface d of the LoRa terminal node is electrically connected with the RS485 of the first microcomputer protection measurement and control device 101 and electrically connected with the RS485 of the second microcomputer protection measurement and control device 301. The microcomputer protection measurement and control device without the communication function can perform ad hoc network after being connected with the LoRa terminal node, and can realize information uploading or receiving issued instructions, so that the reconstruction time is short, and the cost is low.
The information that the first microcomputer protection measurement and control device 101 of the low-voltage switch cabinet 1 needs to upload is more, and the information rate of the LoRa ad hoc network is lower, so that two different types of LoRa terminal nodes are adopted for uplink and downlink communication; the first microcomputer protection and monitoring device 101 needs to identify information into two types, one type is real-time general data, a first LoRa terminal node 102 is used for uploading, the first LoRa terminal node 102 is an a-type terminal node, the first LoRa terminal node 102 is used for transmitting temperature and humidity information, a heating device state, an exhaust device state and a lighting device state in the first microcomputer protection and monitoring device 101, the a-type terminal node is a bidirectional communication terminal device, the terminal devices of the one type allow bidirectional communication, and each terminal device uplink transmission can be accompanied with two downlink receiving windows. The transmission slots of the terminal devices are based on their own communication requirements, and their fine tuning is based on the ALOHA protocol. After transmitting the uplink transmission signal, the cloud server 7 can perform downlink communication quickly.
The second type is data with high real-time performance, and information is uploaded by adopting a second LoRa terminal node 103; the second LoRa terminal node 103 is a class C terminal node, the second LoRa terminal node 103 is used for transmitting a circuit breaker switching-on/off state, current and voltage information, an alarm device state and an energy storage motor state in the first microcomputer protection measurement and control device 101, and the class C terminal node is a bidirectional communication terminal device with a maximum receiving window, and can continuously open the receiving window during transmission and only close the receiving window during transmission. Two types of LoRa terminal nodes are adopted to send data of the first microcomputer protection measurement and control device 101, and real-time communication under large data volume is kept.
The system provided by the present invention will be described in detail with specific embodiments in conjunction with the accompanying drawings.
When in use: a second microcomputer protection and control device 301 on the high-voltage switch cabinet 3 is connected with a third LoRa terminal node 302 through an RS485 interface d, the third LoRa terminal node 302 is in ad-hoc wireless connection with a second LoRa concentrator 4, a first microcomputer protection and control device 101 on the low-voltage switch cabinet 1 is respectively connected with a first LoRa terminal node 102 and a second LoRa terminal node 103 through an RS485 interface d, the first LoRa terminal node 102 and the second LoRa terminal node 103 are in ad-hoc wireless connection with a first LoRa concentrator 2, the first LoRa concentrator 2 and the second LoRa concentrator 4 transmit data to a monitoring module through a GPRS network, and a data conversion unit 5DTU in the monitoring module converts the data into IP network data recognized by a cloud server 7 and stores the IP network data in the cloud server 7; after the remote monitoring center 8 and the mobile terminal 6 acquire the data of the cloud server 7, making a correct operation decision, sending a formed operation instruction to a corresponding microcomputer protection measurement and control device on the high-low voltage side, and controlling the opening and closing of a circuit breaker of the high-low voltage switch cabinet 1 through the microcomputer protection measurement and control device; for example, when a circuit breaker of the high-voltage switch cabinet 3 is ready to be switched on, it is required to know whether the circuit breakers of the switch cabinets on the low-voltage side on the same line controlled by the high-voltage switch cabinet 3 are all in the switching-off state, and at this time, after the microcomputer protection measurement and control device of the high-voltage switch cabinet 3 sends a switching-on command to the cloud server 7, the remote monitoring center 8 sends a confirmation instruction to the first LoRa concentrator 2, where the confirmation instruction is to confirm whether the circuit breaker of the low-voltage switch cabinet 1 on the same line is in the switching-off state; the confirmation instruction is sent to the first microcomputer protection and control device 101 through the second LoRa terminal node 103, the first microcomputer protection and control device 101 feeds back the switching-on and switching-off state of the current circuit breaker to the cloud server 7, when the remote monitoring center 8 determines that the high-voltage side switch cabinet can be switched on according to the switching-on and switching-off state of the circuit breaker of the low-voltage switch cabinet 1, the high-voltage side switching-on instruction is fed back to the second microcomputer protection and control device 301 on the high-voltage switch cabinet 3, and the second microcomputer protection and control device 301 controls the switching-on of the circuit breaker.
In summary, the high-voltage switch cabinet 3 and the low-voltage switch cabinet 1 perform ad hoc networking with the LoRa concentrator through the LoRa terminal nodes connected with their respective serial ports, the LoRa concentrator sends data to the monitoring module, the monitoring module sends an instruction to the low-voltage switch cabinet 1 to obtain current power data of the low-voltage switch cabinet 1, and the monitoring module determines whether the operation that the high-voltage switch cabinet 3 needs to perform can be performed; namely, when the high-voltage side operates, the state of the switch cabinet at the low-voltage side can be rapidly known, and a safe and accurate operation instruction is further sent through a monitoring system; moreover, a microcomputer protection measurement and control device installed on the high-low voltage switch cabinet 1 does not need to be modified, and only a serial port is connected with a LoRa module to perform ad hoc networking, so that the manpower, material resources and time cost for building a base station are saved; and the data volume of microcomputer protection measurement and control device on the low voltage side switch cabinet is great, and in order to guarantee the real-time nature of transmission, transmit data through two kinds of loRa terminal nodes, divide into the high two kinds of data of real-time nature and the general data of real-time nature with data, upload through the loRa terminal node of different grade type respectively, guarantee the instantaneity of data and the security of system operation.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a from network deployment system between high-low voltage switch cabinet which characterized in that includes: the system comprises a monitoring module, a LoRa concentrator, a plurality of low-voltage switch cabinets and a plurality of high-voltage switch cabinets;
the LoRa concentrator is in wireless connection with the monitoring module and used for receiving related information of the low-voltage switch cabinet and the high-voltage switch cabinet;
the low-voltage switch cabinet is provided with a first LoRa terminal node, a second LoRa terminal node and a first microcomputer protection measurement and control device, the first LoRa terminal node and the second LoRa terminal node are wirelessly connected with the LoRa concentrator, and the first LoRa terminal node and the second LoRa terminal node are connected with the first microcomputer protection measurement and control device;
a third LoRa terminal node and a second microcomputer protection measurement and control device are installed on the high-voltage switch cabinet, the third LoRa terminal node is wirelessly connected with the LoRa concentrator, and the third LoRa terminal node is connected with the second microcomputer protection measurement and control device;
the monitoring module is used for storing the relevant information received by the LoRa concentrator and sending a control instruction to the LoRa concentrator according to the relevant information.
2. The ad hoc network system between the high-low voltage switch cabinets according to claim 1, wherein the cabinet body of the low-voltage switch cabinet is respectively an instrument room, a breaker room and a cable room from top to bottom, the first microcomputer protection measurement and control device is embedded into a room door of the instrument room, an RS485 interface is arranged on the first microcomputer protection measurement and control device, and the first microcomputer protection measurement and control device is electrically connected with the secondary wiring of the breaker room and the secondary wiring of the cable room respectively, and is used for collecting the secondary wiring information in the low-voltage switch cabinet and performing protection operation on the functions protected by the low-voltage switch cabinet according to the secondary wiring information.
3. The system according to claim 2, wherein the functions protected by the low-voltage switch cabinet comprise line protection, capacitor protection, transformer protection, motor protection, bus voltage protection and automatic backup power switching protection.
4. The ad hoc network system between the high-voltage and low-voltage switch cabinets according to claim 1, wherein the cabinet body of the high-voltage switch cabinet is respectively an instrument room, a circuit breaker room and a cable room from top to bottom, the second microcomputer protection measurement and control device is embedded into the room door of the instrument room, an RS485 interface is arranged on the second microcomputer protection measurement and control device, and the second microcomputer protection measurement and control device is respectively electrically connected with the secondary wiring of the circuit breaker room and the secondary wiring of the cable room, and is used for collecting the secondary wiring information in the high-voltage switch cabinet and performing protection operation on the functions protected by the high-voltage switch cabinet according to the secondary wiring information.
5. The ad-hoc network system between high and low voltage switch cabinets of claim 1, wherein the first LoRa terminal node, the second LoRa terminal node and the third LoRa terminal node are all LoRa terminal nodes, and each LoRa terminal node comprises a microprocessor, a power supply module, a wireless transceiver module, an antenna and an RS485 interface; wireless transceiver module, RS485 interface all in microprocessor connects, power module is used for giving microprocessor supplies power, the antenna with wireless transceiver module connects, LoRa terminal node's RS485 interface with first computer protection measurement and control device's RS485 electricity is connected, and with second computer protection measurement and control device's RS485 electricity is connected.
6. The ad hoc networking system between high-voltage and low-voltage switch cabinets according to claim 1, wherein said LoRa concentrator comprises a first LoRa concentrator and a second LoRa concentrator, said first LoRa concentrator is wirelessly connected to said first LoRa terminal node and said second LoRa terminal node, and is configured to communicate with a plurality of LoRa terminal nodes installed on said low-voltage switch cabinet within a communication range of said first LoRa terminal node and said second LoRa terminal node; second loRa concentrator with third loRa terminal node wireless connection for rather than a plurality of in communication range the loRa terminal node wireless connection of installation on the high tension switchgear.
7. The ad-hoc network system between the high-low voltage switch cabinets according to claim 1, wherein the first LoRa terminal node is a class a terminal node, the first LoRa terminal node is used for transmitting temperature and humidity information, a heating device state, an air exhaust device state and a lighting device state in the first microcomputer protection measurement and control device, and after the class a terminal node sends an uplink transmission signal, the cloud server can rapidly perform downlink communication.
8. The ad-hoc network system between the high-low voltage switch cabinets according to claim 1, wherein the second LoRa terminal node is a C-type terminal node, the second LoRa terminal node is used for transmitting a breaker switching-on/off state, current and voltage information, an alarm device state and an energy storage motor state in the first microcomputer protection measurement and control device, and the C-type terminal node continuously opens a receiving window and is closed only during transmission.
9. The ad-hoc network system between the high-low voltage switch cabinets according to claim 1, wherein the monitoring module comprises a cloud server, a remote monitoring center, a data conversion unit and a mobile terminal; the data conversion unit is connected with the LoRa concentrator and used for converting serial port data into IP network data and sending the IP network data to the cloud server, and the cloud server is in communication connection with the remote monitoring center and the mobile terminal respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220426123.1U CN216872926U (en) | 2022-03-01 | 2022-03-01 | Ad hoc network system between high-low voltage switch cabinets |
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| CN202220426123.1U CN216872926U (en) | 2022-03-01 | 2022-03-01 | Ad hoc network system between high-low voltage switch cabinets |
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| CN216872926U true CN216872926U (en) | 2022-07-01 |
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| CN202220426123.1U Active CN216872926U (en) | 2022-03-01 | 2022-03-01 | Ad hoc network system between high-low voltage switch cabinets |
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