CN221099892U - Distributed power cable infrared temperature monitoring system based on Zigbee peer-to-peer network - Google Patents
Distributed power cable infrared temperature monitoring system based on Zigbee peer-to-peer network Download PDFInfo
- Publication number
- CN221099892U CN221099892U CN202322398678.7U CN202322398678U CN221099892U CN 221099892 U CN221099892 U CN 221099892U CN 202322398678 U CN202322398678 U CN 202322398678U CN 221099892 U CN221099892 U CN 221099892U
- Authority
- CN
- China
- Prior art keywords
- module
- communication
- peer
- power cable
- zigbee
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 94
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 230000006855 networking Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model relates to a distributed power cable infrared temperature monitoring system based on a Zigbee peer-to-peer network, which comprises at least one power cable to be tested, at least two non-contact wireless temperature measuring units, a communication coordinator, a controller and a background monitoring system server; the non-contact wireless temperature measurement unit adopts a non-contact infrared temperature measurement sensor and is arranged near a power cable to be measured; one non-contact wireless temperature measuring unit is sequentially connected with the next non-contact wireless temperature measuring unit and the communication coordinator in a communication way to form a Zigbee network; the Zigbee network is in a peer-to-peer connection state; the communication coordinator, the controller and the background system server are sequentially connected through the RJ45 communication module to form a communication network. The utility model can accurately measure the temperature of the power cable intermediate joint in a targeted manner, has the characteristics of low power consumption, flexible networking, low maintenance cost, low installation difficulty and low installation cost, and can greatly increase the effective communication range of the temperature monitoring system.
Description
Technical Field
The utility model relates to the technical field of power cable temperature monitoring, in particular to a distributed power cable infrared temperature monitoring system based on a Zigbee peer-to-peer network.
Background
The Zigbee technology is a technical solution between the bluetooth communication technology and the wireless tag technology. The communication technology has wide application prospect in the fields of consumer electronics products, intelligent home, industrial control, medical diagnosis and the like due to the advantages of the communication technology in the aspects of power consumption, networking freedom, cost and the like. And the method is also widely focused as a main communication technology method for monitoring the temperature of the power cable.
However, the current power cable temperature monitoring system applying the Zigbee technology generally uses a communication connection of a Zigbee star network structure. Is limited by the Zigbee technical characteristics, so that the transmission distance is limited, and can be 100 meters theoretically at maximum. The applicability to long-distance power cable lines is poor, equipment and installation cost are additionally increased, and the cost advantage of the temperature monitoring system is reduced. In addition, the temperature monitoring system generally uses a temperature sensing cable or a temperature sensing optical fiber as a temperature sensor thereof, needs to be laid on the surface of a power cable, is complicated in equipment installation, and has poor applicability to technical transformation and upgrading of the old power cable temperature monitoring system. Meanwhile, aiming at the distributed and accurate temperature measurement condition of the power cable intermediate joint, the two temperature sensors are difficult to realize.
Disclosure of utility model
The utility model aims to provide a distributed power cable infrared temperature monitoring system based on a Zigbee peer-to-peer network so as to solve the technical problems.
The utility model provides a distributed power cable infrared temperature monitoring system based on a Zigbee peer-to-peer network, which comprises at least one tested power cable, at least two non-contact wireless temperature measuring units, a communication coordinator, a controller and a background monitoring system server, wherein the power cable is connected with the communication coordinator;
The non-contact wireless temperature measurement unit adopts a non-contact infrared temperature measurement sensor, is arranged near the power cable to be measured, and is used for measuring the temperature of the outer surface of the power cable to be measured and transmitting temperature data;
The system comprises a non-contact wireless temperature measuring unit, a next non-contact wireless temperature measuring unit and a communication coordinator, wherein the non-contact wireless temperature measuring unit, the next non-contact wireless temperature measuring unit and the communication coordinator are sequentially in communication connection to form a Zigbee network, after the first non-contact wireless temperature measuring unit detects the temperature of the outer surface of a tested power cable, temperature data are transmitted to the next non-contact wireless temperature measuring unit through the Zigbee network, the next non-contact wireless temperature measuring unit is used as a communication router, and the temperature data acquired by the last non-contact wireless temperature measuring unit and the temperature data acquired by the communication coordinator are integrated and then transmitted to the communication coordinator through the Zigbee network; the Zigbee network is in a peer-to-peer connection state;
The communication coordinator, the controller and the background system server are sequentially connected through the RJ45 communication module to form a communication network for data transmission, temperature data display and data abnormality warning.
Further, the non-contact wireless temperature measurement unit is arranged at a position 0.8-1.5m away from the power cable to be measured.
Further, the non-contact wireless temperature measurement unit comprises an infrared temperature measurement sensor module, an RFD module, a microprocessor unit and a battery power supply module, wherein the infrared temperature measurement sensor module is used for transmitting detected infrared temperature signals to the RFD module after being processed by the microprocessor unit, and the RFD module is used for transmitting processed temperature data to a next communication node through a Zigbee network.
Further, the communication coordinator comprises an FFD module, a coordinator microprocessor module, a coordinator external power supply module and a coordinator RJ45 communication module, wherein the FFD module, the coordinator microprocessor module and the coordinator RJ45 communication module are sequentially connected, and the coordinator RJ45 communication module is connected with the RFD module.
Further, the controller comprises a display module, a controller microprocessor module, a controller RJ45 communication module, an alarm module and a controller external power supply module, wherein the controller RJ45 communication module is connected with the FFD module, and the controller microprocessor module is connected with the display module, the controller RJ45 communication module, the alarm module and the controller external power supply module.
Further, the number of Zigbee network nodes in the intra-system communication coordinator is at least 1 and at most 255; the number of Zigbee network nodes in the non-contact wireless temperature measurement unit is at least 1 and at most 255.
By means of the scheme, through the distributed power cable infrared temperature monitoring system based on the Zigbee peer-to-peer network, the non-contact type power cable connector can be installed in a non-contact mode by adopting a non-contact type infrared temperature measuring technology, equipment installation difficulty is low, and technology upgrading of power cable temperature monitoring in an old power cable trench is friendly; meanwhile, due to the adoption of the Zigbee communication technology, wireless distributed and accurate temperature monitoring of the power cable connector can be realized. Meanwhile, the peer-to-peer network structure has the same characteristics as the star network structure, for example, the application scene is wider, the free networking can be realized, the monitoring points and the like can be flexibly increased according to the actual field requirements in the conditions of the furthest communication distance and the maximum connection number, and the effective communication range of the temperature monitoring system can be greatly increased; the non-contact infrared measurement can be realized: the alarm temperature can be set and adjusted within the range of-40 ℃ to 140 ℃. The temperature difference alarming temperature meets the heating rate requirements of 10 ℃/min, 20 ℃/min and 30 ℃/min; the effective communication range of the Zigbee peer-to-peer communication network can meet most of power cable temperature monitoring requirements, the maximum transmission rate of data communication between each non-contact wireless temperature measuring unit and the communication coordinator can be 250kbps, each non-contact wireless temperature measuring unit can support 255 non-contact wireless temperature measuring units to be in communication connection at most, and each router FFD can support 254 terminals FFD to be in communication connection at most.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a system architecture of the present utility model;
FIG. 2 is a schematic diagram of a non-contact wireless temperature measurement unit according to the present utility model;
FIG. 3 is a flow chart of the operation of the non-contact wireless temperature measurement unit of the present utility model;
FIG. 4 is a schematic diagram of a communication coordinator according to the present utility model;
Fig. 5 is a schematic diagram of the controller structure of the present utility model.
Reference numerals in the drawings:
1-a power cable to be tested; 2-a non-contact wireless temperature measurement unit; 3-coordinator FFD; 4-a controller; 5-a background server;
21-an infrared temperature sensor module; a 22-microprocessor unit; a 23-RFD module; a 24-battery powered module;
a 31-FFD module; a 32-coordinator microprocessor module; 33-coordinator RJ45 communication module; 34-coordinator external power module;
41-a display module; 42-a controller microprocessor module; 43-a controller RJ45 communication module; 44-an alarm module; 45-a controller external power supply module.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1, the present embodiment provides a distributed power cable infrared temperature monitoring system based on a Zigbee peer-to-peer network, which includes at least one power cable 1 to be tested, at least two non-contact wireless temperature measuring units 2, a communication coordinator 3, a controller 4, and a background monitoring system server 5.
Specifically, the non-contact wireless temperature measuring unit 2 is arranged at a position 0.8-1.5m away from the power cable 1. In this embodiment, the non-contact wireless temperature measuring unit 2 adopts a non-contact infrared temperature measuring sensor. Compared with the traditional temperature sensor, the temperature sensor can realize distributed and wireless installation, and has the characteristics of lower cost, lower installation difficulty, lower cost, smaller volume and the like. Meanwhile, the functions of precisely measuring the temperature of the power cable joint and the like can be realized.
One non-contact wireless temperature measuring unit 2, the other non-contact wireless temperature measuring unit 2 and the communication coordinator 3 are sequentially in communication connection to form a Zigbee network, and a peer-to-peer Zigbee network (the Zigbee network in the system is in a peer-to-peer connection state) is formed, so that corresponding data transmission and control are realized; the communication coordinator 3 is sequentially connected with the controller 4 and the background system server 5 through RJ45 to form a communication network for corresponding control and data transmission.
Specifically, after the first non-contact wireless temperature measurement unit 2 detects the temperature of the outer surface of the power cable 1 to be measured, the temperature data is transmitted to the next non-contact wireless temperature measurement unit 2 through a Zigbee network, the next non-contact wireless temperature measurement unit 2 is used as a communication router, and after the temperature data collected by the previous non-contact wireless temperature measurement unit 2 and the temperature data collected by itself are integrated, the temperature data is transmitted to the communication coordinator 3 through the Zigbee network.
The number of the non-contact wireless temperature measuring units can be set up to be a plurality, and the non-contact wireless temperature measuring units are installed and connected in a communication mode, in this embodiment, the number of the non-contact wireless temperature measuring units 2 can be set up to be a maximum of 255, the number of nodes of the Zigbee network in the system is a minimum of 1, and the number of nodes of the Zigbee network is a maximum of 255, and the non-contact wireless temperature measuring units are installed and connected with the communication coordinator 3 in a communication mode. The non-contact wireless temperature measurement unit 2 is used for measuring the temperature of the outer surface of the power cable and transmitting temperature data. The communication coordinator 3 is used for managing and controlling the Zigbee communication network, receiving the temperature data of the non-contact wireless infrared temperature measurement unit 2, and transmitting the temperature data to the controller 4.
Specifically, after the communication coordinator 3 integrates the temperature data of all the non-contact wireless temperature measurement units 2, the data is transmitted to the controller 4 through the RJ45, and the controller 4 can realize system control and management, data analysis, display of the temperature of the outer surface of the measured power cable and abnormal alarm of the temperature data.
Specifically, the controller 4 transmits data to the background system server 5 through the RJ45, and the background system server can realize man-machine interaction, system state monitoring, display of the measured power cable outer surface temperature, abnormal alarm of the temperature data and management and storage of the temperature data.
Referring to fig. 2-3, the non-contact wireless temperature measuring unit 2 includes an infrared temperature measuring sensor module 21, RFD (reduced functional device, RFD, simplified function device of Zigbee) module 22, a microprocessor unit 23, and a battery power module 24. The RFD module in the non-contact wireless infrared temperature measurement unit can be used as a communication terminal or a communication router. When the FFD module in the non-contact wireless infrared temperature measurement unit is used as a communication terminal, the microprocessor unit receives a reference source signal of the infrared temperature measurement sensor module and transmits temperature data to the adjacent non-contact wireless infrared temperature measurement unit through a Zigbee network; when the RFD module in the contact type wireless infrared temperature measurement unit is used as a communication router, the microprocessor unit receives a reference source signal of the infrared temperature measurement sensor module, integrates the reference source signal with data of the last contact type wireless infrared temperature measurement unit, and transmits the data to the communication coordinator unit through a Zigbee network.
Specifically, the infrared temperature measurement sensor module 21 detects the temperature of the outer surface of the power cable through an infrared temperature measurement technology, converts the detected infrared temperature signal after processing such as data compensation and digital-to-analog conversion into a voltage signal to form a reference source and transmit the reference source to the microprocessor unit 23, the microprocessor unit 23 correspondingly analyzes and processes the temperature data and then transmits the temperature data to the RFD module 22, and the RFD module 22 transmits the temperature data to the next communication node through a Zigbee peer-to-peer network.
As shown in fig. 4, the communication coordinator 3 includes an FFD (fully functional device, FFD, one Zigbee full function device) module 31, a coordinator microprocessor module 32, a coordinator external power module 33, and a coordinator RJ45 communication module 34. The modules are all connected through a circuit.
The RFD module and the FFD module comprise a Zigbee communication module and a Zigbee antenna, and the Zigbee communication network adopts an IEEE 802.15.4 radio frequency standard and a 2.4G physical layer.
As shown in fig. 5, the controller 4 includes a display module 41, a controller microprocessor module 42, a controller RJ45 communication module 43, an alarm module 44, and a controller external power supply module 45, all of which are connected by a circuit.
The controller 4 can display the monitoring information of the outer surface temperature of the power cable and the state of charge information of each non-contact wireless infrared temperature measuring unit battery. When the temperature acquisition module monitors temperature abnormality, the controller and the background server can both realize a temperature abnormality alarming function, wherein the controller and the background system server can both realize sound alarming and display alarming.
After successful communication with the controller 4 and the background system server 5, the communication coordinator 3 performs Zigbee network initialization, and then automatically constructs a communication network. At this time, the communication coordinator 3 enters a network monitoring state, and enters a communication state after receiving a network access request of the non-contact wireless temperature measurement unit 2 storing an ID number in advance. And after parsing and processing the data, transmits it to the controller 4. The monitoring frequency of the communication coordinator 3 and the network access frequency of the non-contact wireless temperature measuring unit 2 can be set by software, and the monitoring frequency is larger than 1 time/second.
The distributed power cable infrared temperature monitoring system based on the Zigbee peer-to-peer network has the following technical effects:
1. Aiming at the condition that the temperature monitoring system of the power cable based on the Zigbee star network structure is difficult to realize the temperature monitoring of a long-distance power cable line, the utility model can realize the temperature monitoring functions of long distance, distributed and multiple measuring points.
2. Aiming at the situation that the thermistor type temperature measurement technology and the temperature sensing optical fiber type temperature measurement technology cannot realize the targeted accurate temperature measurement of the power cable intermediate connector, the utility model can realize the non-contact accurate temperature measurement of the power cable connector.
3. Aiming at the situations that the existing power cable temperature measurement technology needs power supply and communication lines and is complex to install, the utility model can realize distributed installation without power supply and signal transmission lines.
4. Aiming at the condition that the temperature measuring unit needs an external power supply for power supply in the existing power cable temperature measuring technology, the utility model can realize temperature monitoring without a power supply line, has lower power consumption and can realize long-time maintenance-free work requirement.
5. Aiming at the condition that the signal acquisition and transmission unit needs a communication line in the existing power cable temperature measurement technology, the utility model can realize that the signal acquisition and transmission unit has a wireless transmission function, has lower power consumption and can realize quick and flexible networking and communication.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.
Claims (6)
1. The distributed power cable infrared temperature monitoring system based on the Zigbee peer-to-peer network is characterized by comprising at least one power cable (1) to be tested, at least two non-contact wireless temperature measuring units (2), a communication coordinator (3), a controller (4) and a background monitoring system server (5);
The non-contact wireless temperature measurement unit (2) adopts a non-contact infrared temperature measurement sensor, is arranged near the power cable to be measured, and is used for measuring the temperature of the outer surface of the power cable to be measured (1) and transmitting temperature data;
The system comprises a non-contact wireless temperature measuring unit (2), a next non-contact wireless temperature measuring unit (2) and a communication coordinator (3), wherein the non-contact wireless temperature measuring unit (2) and the next non-contact wireless temperature measuring unit (2) are sequentially in communication connection to form a Zigbee network, after the first non-contact wireless temperature measuring unit (2) detects the temperature of the outer surface of a tested power cable (1), temperature data are transmitted to the next non-contact wireless temperature measuring unit (2) through the Zigbee network, the next non-contact wireless temperature measuring unit (2) serves as a communication router, and the temperature data acquired by the last non-contact wireless temperature measuring unit (2) are integrated with the temperature data acquired by the communication coordinator (3) through the Zigbee network; the Zigbee network is in a peer-to-peer connection state;
the communication coordinator (3), the controller (4) and the background system server (5) are sequentially connected through RJ45 communication modules to form a communication network for data transmission, temperature data display and data abnormality warning.
2. The distributed power cable infrared temperature monitoring system based on the Zigbee peer-to-peer network according to claim 1, wherein the non-contact wireless temperature measuring unit (2) is installed at a position 0.8-1.5m away from the measured power cable (1).
3. The distributed power cable infrared temperature monitoring system based on the Zigbee peer to peer network according to claim 2, wherein the non-contact wireless temperature measuring unit (2) includes an infrared temperature measuring sensor module (21), an RFD module (22), a microprocessor unit (23) and a battery power module (24), the infrared temperature measuring sensor module (21) is configured to process a detected infrared temperature signal by the microprocessor unit (23) and then transmit the processed temperature signal to the RFD module (22), and the RFD module (22) is configured to transmit the processed temperature data to a next communication node through the Zigbee network.
4. A distributed power cable infrared temperature monitoring system based on a Zigbee peer-to-peer network according to claim 3, wherein the communication coordinator (3) includes an FFD module (31), a coordinator microprocessor module (32), a coordinator external power module (33), and a coordinator RJ45 communication module (34), the FFD module (31), the coordinator microprocessor module (32), and the coordinator RJ45 communication module (34) are sequentially connected, and the coordinator RJ45 communication module (34) is connected with the RFD module (22).
5. The Zigbee peer-to-peer network based distributed power cable infrared temperature monitoring system according to claim 4, wherein the controller (4) includes a display module (41), a controller microprocessor module (42), a controller RJ45 communication module (43), an alarm module (44), and a controller external power supply module (45), the controller RJ45 communication module (43) is connected with the FFD module (31), and the controller microprocessor module (42) is connected with the display module (41), the controller RJ45 communication module (43), the alarm module (44), and the controller external power supply module (45).
6. The distributed power cable infrared temperature monitoring system based on the Zigbee peer-to-peer network according to claim 1, wherein the number of nodes of the Zigbee network in the intra-system communication coordinator is at least 1 and at most 255; the number of Zigbee network nodes in the non-contact wireless temperature measurement unit is at least 1 and at most 255.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398678.7U CN221099892U (en) | 2023-09-05 | 2023-09-05 | Distributed power cable infrared temperature monitoring system based on Zigbee peer-to-peer network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322398678.7U CN221099892U (en) | 2023-09-05 | 2023-09-05 | Distributed power cable infrared temperature monitoring system based on Zigbee peer-to-peer network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221099892U true CN221099892U (en) | 2024-06-07 |
Family
ID=91327218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322398678.7U Active CN221099892U (en) | 2023-09-05 | 2023-09-05 | Distributed power cable infrared temperature monitoring system based on Zigbee peer-to-peer network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221099892U (en) |
-
2023
- 2023-09-05 CN CN202322398678.7U patent/CN221099892U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9013323B2 (en) | Pairing of a battery monitor to a communication device | |
| CN103234645B (en) | A kind of distribution cable terminal on-line monitoring system and monitoring method | |
| CN204405198U (en) | The wireless contact temp measuring system of a kind of high-tension switch cabinet | |
| CN103575415B (en) | A kind of underground cable Joint Temperature on-line monitoring system and monitoring method thereof | |
| US8786451B2 (en) | Leak detection system having power and communication lines | |
| CN102184623B (en) | System for monitoring building environment based on zigbee technology and Ethernet | |
| CN102348294B (en) | Building method of self-organized reconfigurable wireless sensor network | |
| CN204405200U (en) | Based on the transmission route survey system of radio sensing network | |
| CN111404273A (en) | Remote sensing monitoring system for overhead line | |
| CN202648804U (en) | High voltage contact and bus on-line temperature measuring device | |
| CN102663880B (en) | Monitoring method for low-power intelligent wireless temperature measurement system | |
| CN111221287A (en) | Dam safety monitoring system and method based on Internet of things | |
| CN221099892U (en) | Distributed power cable infrared temperature monitoring system based on Zigbee peer-to-peer network | |
| CN104515616A (en) | Temperature monitoring and inspecting system of substation primary equipment | |
| CN203191097U (en) | Online detection system for cable termination | |
| WO2014178603A1 (en) | Apparatus and system for data mirror device | |
| CN102324177B (en) | Electric car charging pile data acquisition system based on WiFi radio over fiber technology | |
| CN202856780U (en) | Internet of Things (IOT) intelligence communication device | |
| CN105371970A (en) | Substation wireless temperature measuring alarm system | |
| CN210774418U (en) | Deep well type earthing pole temperature monitoring device | |
| CN102620837A (en) | Distribution type infrared online temperature measurement system for electric terminals of high-voltage equipment | |
| JP7357266B2 (en) | Radio field strength monitoring system | |
| CN218919471U (en) | Electric connector and electric connector system | |
| CN221099893U (en) | Distributed power cable infrared temperature monitoring system based on Zigbee star network | |
| CN214668913U (en) | Wireless gas detection system based on LORA ad hoc network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |