CN213301305U - Intelligent monitoring system applied to high-voltage power distribution cabinet in offshore oil facility - Google Patents
Intelligent monitoring system applied to high-voltage power distribution cabinet in offshore oil facility Download PDFInfo
- Publication number
- CN213301305U CN213301305U CN202021249405.6U CN202021249405U CN213301305U CN 213301305 U CN213301305 U CN 213301305U CN 202021249405 U CN202021249405 U CN 202021249405U CN 213301305 U CN213301305 U CN 213301305U
- Authority
- CN
- China
- Prior art keywords
- monitoring system
- intelligent monitoring
- temperature
- power distribution
- partial discharge
- 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
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses an intelligent monitoring system for a high-voltage power distribution cabinet in an offshore oil facility, which comprises a partial discharge probe and six temperature probes which are arranged in a primary cabin of the medium-voltage and high-voltage power distribution cabinet, wherein the partial discharge probe is used for outputting sensed partial discharge signals of cables or copper bars in the primary cabin to a wireless receiving module of the partial discharge signals in a wireless mode; the temperature probe is used for outputting the sensed temperature signals of the three-phase copper bar of the incoming and outgoing line to the temperature signal wireless receiving template in a wireless mode; the intelligent protocol conversion module and the intelligent monitoring host are installed in the intelligent monitoring system terminal cabinet, and the intelligent monitoring host is used for receiving the partial discharge signal and the temperature signal output by the intelligent protocol conversion module, processing the two signals and then displaying and storing the two signals on line. The system can accurately monitor the local discharge and the temperature in the power distribution cabinet in real time, and realize the online monitoring of the running state of the power distribution cabinet.
Description
Technical Field
The utility model relates to an intelligent monitoring system especially relates to an application is in the inside temperature of offshore oil facilities 3.3kV ~ 35kV switch board and partial discharge intelligent monitoring system.
Background
When electrical equipment (such as a power distribution cabinet) is in operation, as the equipment is inevitably influenced by various factors such as electricity, heat, machinery, environment, bolt looseness, unfirm copper bar connection and the like, an insulating medium of the equipment is continuously degraded, so that the operation state is not good, even various faults occur, local or even large-area power failure is caused, and huge direct or indirect economic loss and environmental influence are caused. The operation reliability of the power distribution cabinet is that the data of the temperature and the partial discharge of the power cable in the box body must be kept within a normal range, so that the data monitoring is very important.
Generally, the bus bar in the power distribution cabinet occupies a large space, and the residual space in the power distribution cabinet is small. In this case, if the conventional temperature probe and partial discharge probe are installed, cable laying will be very difficult and construction will be difficult. If a plurality of power distribution cabinets are all connected into one system, the cable laying of the whole system consumes a large amount of time cost and labor cost. The wireless data transmission mode is utilized to perfectly avoid complex work such as difficult cable laying, unfavorable installation of power distribution cabinet space and the like
Disclosure of Invention
An object of the utility model is to overcome prior art's shortcoming, provide a cable laying easy, switch board space does benefit to the application of complicated work such as installation in the intelligent monitoring system of high voltage distribution cabinet in the offshore oil facility.
The utility model discloses an intelligent monitoring system of a high-voltage power distribution cabinet in an offshore oil facility, which comprises a monitoring system and a monitoring system, wherein the monitoring system is connected with the monitoring system;
the partial discharge probe is arranged in the primary cabin of the medium-high voltage power distribution cabinet and used for outputting a sensed partial discharge signal of a cable or copper bar in the primary cabin to the partial discharge signal wireless receiving module in a wireless mode;
the device comprises six temperature probes, a local discharge signal wireless receiving module and a temperature signal wireless receiving module, wherein the six temperature probes are installed close to an incoming and outgoing line three-phase copper bar of a medium-high voltage power distribution cabinet, the metal surface of each temperature probe is tightly attached and contacted with the three-phase copper bar and used for outputting sensed temperature signals of the incoming and outgoing line three-phase copper bar to a temperature signal wireless receiving template in a wireless mode, and the local discharge signal wireless receiving module and the temperature signal wireless receiving module are both installed in an intelligent monitoring system terminal cabinet;
the intelligent protocol conversion module is arranged in the intelligent monitoring system terminal cabinet and used for converting a communication protocol of a partial discharge signal output by the partial discharge signal wireless receiving module and a communication protocol of a temperature signal output by the temperature signal wireless receiving module into a unified Modbus RTU communication protocol and uploading the communication protocols to the intelligent monitoring host system for display;
and the intelligent monitoring host is arranged in the intelligent monitoring system terminal cabinet and is used for receiving the partial discharge signal and the temperature signal output by the intelligent protocol conversion module, processing the two signals and then displaying and storing the two signals on line.
The beneficial effects of this system are that utilize wireless data transmission mode to avoid falling cable laying difficulty, switch board space and be unfavorable for the installation scheduling problem, save personnel, improve work efficiency, reduce work load. The system can monitor the partial discharge and the temperature in the power distribution cabinet accurately in real time, realize the online monitoring of the running state of the power distribution cabinet, grasp the partial discharge and temperature change information of equipment in time, discover the hidden danger of the equipment of the power distribution cabinet in advance and perform early warning, and avoid the occurrence of fire accidents.
Drawings
Fig. 1 is the utility model discloses an application is in high voltage distribution cabinet's in marine oil facilities intelligent monitoring system's schematic structure diagram.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses an intelligent monitoring system of high voltage power distribution cabinet in offshore oil facilities, as shown in the attached drawing, comprising;
install a partial discharge probe 1 in the cabin of middle and high voltage distribution cabinet, partial discharge probe 1 be used for exporting the cable or copper bar partial discharge signal in the cabin of sensing for partial discharge signal wireless receiving module 3 through wireless mode.
Six temperature probe 2, six temperature probe 2 be close to the business turn over line three-phase copper bar department installation of medium-high voltage distribution cabinet, every temperature probe 2's metal covering and three-phase copper bar contact of closely laminating for the temperature signal of business turn over line three-phase copper bar that will sense through wireless mode output for temperature signal wireless receiving template 4. The partial discharge signal wireless receiving module 3 and the temperature signal wireless receiving module 4 are both installed in the intelligent monitoring system terminal cabinet 7.
The intelligent protocol conversion module 5 is arranged in the intelligent monitoring system terminal cabinet 7 and is used for converting the communication protocol of the partial discharge signal output by the partial discharge signal wireless receiving module 3 and the communication protocol of the temperature signal output by the temperature signal wireless receiving module 4 into a unified Modbus RTU communication protocol and uploading the unified Modbus RTU communication protocol to the intelligent monitoring host system for display;
and the intelligent monitoring host 6 is arranged in the intelligent monitoring system terminal cabinet 7 and is used for receiving the partial discharge signal and the temperature signal output by the intelligent protocol conversion module 5, processing the two signals and then displaying and storing the two signals on line. The processing of the signal is conventional processing in the prior art, and comprises signal analysis, positioning and numerical system conversion processing.
The utility model discloses a wireless receiving module and intelligent protocol conversion module can be bought in market.
The frequency band range recommended for the partial discharge probe 1: TEV: 3M to 100 MHz; ultrasonic: 20 kHz-200 kHz; broadband radio frequency: 1MHz to 1.5 GHz. Detection sensitivity wherein TEV: 1 mV; maximum 30 mV; ultrasonic: 1uV, maximum 10 mV; broadband radio frequency: -75dBm, maximum 30 mV.
The operating frequency of the temperature probe is preferably 433MHz, the penetrability is good, the transmission distance is long, and the maximum transmitting power is 100mv (20 dBm). The metal surface of the temperature probe is in close fitting contact with the three-phase copper bar of the power distribution cabinet, and the temperature data is acquired more accurately by the metal acquisition mode. The temperature is sent once every time the temperature changes, and transparent data transmission is realized; automatically and quickly completing the conversion of the acquisition/transmission state; an energy collection technology is adopted; the volume is small and exquisite, can install in various positions such as circuit breaker moving contact, static contact.
The intelligent monitoring host computer carries out accurate analysis and processing on the data, and can realize the following functions:
1. partial discharge probe and temperature probe send the partial discharge signal in the switch board for partial discharge signal wireless receiving module 3 through 433MHz wireless signal, and the data that partial discharge probe 1 and temperature probe 2 measured can accurately be shown to the intelligent monitoring host computer display screen, and data display can distinguish corresponding wireless transmitting module partial discharge and temperature data in order that the user can be convenient sees out the data value of each measuring point.
2. The distance between the position of the intelligent monitoring system terminal cabinet and the installation position of the local discharge and temperature probe is less than or equal to 1.5 kilometers, and the maximum distance can reach 1.5 kilometers, so that the system is convenient to install and select sites, and more applicable scenes are provided.
The intelligent monitoring host can be a touch screen, a man-machine interaction interface is formed by configuration and arrangement on the equipment, and the local discharge and temperature data collected by the wireless receiving module are periodically and circularly read and written into the local memory for long-term storage. The whole system only needs to be provided with an intelligent monitoring host, when the local discharge and temperature signals exceed the alarm set value, the intelligent monitoring host outputs alarm signals and displays fault information, sends out buzzing sounds, sends the alarm signals to a central control system on duty, and reminds operators that the power distribution cabinet is in an abnormal state and equipment needs to be checked and maintained.
Claims (3)
1. An intelligent monitoring system applied to a high-voltage power distribution cabinet in an offshore oil facility is characterized by comprising a monitoring system, a monitoring system and a monitoring system, wherein the monitoring system is used for monitoring the high-voltage power distribution cabinet in the offshore oil facility;
the partial discharge probe is arranged in the primary cabin of the medium-high voltage power distribution cabinet and used for outputting a sensed partial discharge signal of a cable or copper bar in the primary cabin to the partial discharge signal wireless receiving module in a wireless mode;
the device comprises six temperature probes, a local discharge signal wireless receiving module and a temperature signal wireless receiving module, wherein the six temperature probes are installed close to an incoming and outgoing line three-phase copper bar of a medium-high voltage power distribution cabinet, the metal surface of each temperature probe is tightly attached and contacted with the three-phase copper bar and used for outputting sensed temperature signals of the incoming and outgoing line three-phase copper bar to a temperature signal wireless receiving template in a wireless mode, and the local discharge signal wireless receiving module and the temperature signal wireless receiving module are both installed in an intelligent monitoring system terminal cabinet;
the intelligent protocol conversion module is arranged in the intelligent monitoring system terminal cabinet and used for converting a communication protocol of a partial discharge signal output by the partial discharge signal wireless receiving module and a communication protocol of a temperature signal output by the temperature signal wireless receiving module into a unified Modbus RTU communication protocol and uploading the communication protocols to the intelligent monitoring host system for display;
and the intelligent monitoring host is arranged in the intelligent monitoring system terminal cabinet and is used for receiving the partial discharge signal and the temperature signal output by the intelligent protocol conversion module, processing the two signals and then displaying and storing the two signals on line.
2. The intelligent monitoring system for the high voltage power distribution cabinet in the offshore oil facility, according to claim 1, is characterized in that: the distance between the position of the intelligent monitoring system terminal cabinet and the installation position of the local discharge and the temperature probe is less than or equal to 1.5 kilometers.
3. The intelligent monitoring system for the high-voltage power distribution cabinet in the offshore oil facility, according to claim 1 or 2, is characterized in that: the intelligent monitoring host is a touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249405.6U CN213301305U (en) | 2020-06-30 | 2020-06-30 | Intelligent monitoring system applied to high-voltage power distribution cabinet in offshore oil facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249405.6U CN213301305U (en) | 2020-06-30 | 2020-06-30 | Intelligent monitoring system applied to high-voltage power distribution cabinet in offshore oil facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301305U true CN213301305U (en) | 2021-05-28 |
Family
ID=76018813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021249405.6U Active CN213301305U (en) | 2020-06-30 | 2020-06-30 | Intelligent monitoring system applied to high-voltage power distribution cabinet in offshore oil facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213301305U (en) |
-
2020
- 2020-06-30 CN CN202021249405.6U patent/CN213301305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204854975U (en) | Cubical switchboard temperature on -line monitoring system | |
| CN204758748U (en) | Cubical switchboard intelligent integrated monitoring devices | |
| CN212646846U (en) | Transformer monitoring alarm system | |
| CN203551139U (en) | Transformer station device contact temperature on-line monitoring device | |
| CN103557957A (en) | Device for online monitoring temperature of contact of substation equipment | |
| CN204214573U (en) | A kind of arc light temperature-detecting device | |
| CN209446711U (en) | High-tension cable is cross interconnected and insulated on-line monitoring system | |
| CN203800700U (en) | Power distribution network monitoring system | |
| CN209327494U (en) | It is a kind of based on the distribution network failure on-line checking positioning system measured indirectly | |
| CN203519062U (en) | Switch cabinet partial discharge intelligent on-line monitoring system | |
| CN213301305U (en) | Intelligent monitoring system applied to high-voltage power distribution cabinet in offshore oil facility | |
| CN203164360U (en) | Transformer device insulation online monitoring system | |
| CN116647049A (en) | Comprehensive monitoring system for switch cabinet | |
| CN209979076U (en) | Wireless temperature measurement monitoring device for switch cabinet | |
| CN111707913A (en) | Partial discharge detection device of power switch cabinet | |
| CN110927540A (en) | C-GIS intelligent partial discharge monitoring device based on electrified display | |
| CN116819165A (en) | Lightning protection on-line monitoring system | |
| CN206819531U (en) | A kind of cloud electricity takes data acquisition device | |
| CN213481568U (en) | Passive wireless downhole temperature measurement system | |
| CN210296879U (en) | Looped netowrk cabinet state monitoring integrated device | |
| CN210572215U (en) | Online monitoring and management system for sulfur hexafluoride gas density of converter station | |
| CN203191496U (en) | RS485 bus based distributed power grid operating equipment insulation online monitoring device | |
| CN113252117A (en) | Gas monitoring system of insulating ring main unit based on wireless sensing technology | |
| CN110780232A (en) | Automatic change looped netowrk cabinet intelligent integrated on-line monitoring device | |
| CN105510769A (en) | Power distribution network single-phase ground fault indicator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |