CN217213002U - Local discharge intensive care device - Google Patents
Local discharge intensive care device Download PDFInfo
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- CN217213002U CN217213002U CN202220996846.5U CN202220996846U CN217213002U CN 217213002 U CN217213002 U CN 217213002U CN 202220996846 U CN202220996846 U CN 202220996846U CN 217213002 U CN217213002 U CN 217213002U
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- partial discharge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model discloses an intensive care unit is put in office, include: the system comprises an ultrahigh frequency partial discharge sensor, a multi-state intelligent sensor, a primary current sensor, a temperature and humidity sensor and an intensive care intelligent terminal, wherein the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor, the primary current sensor and the temperature and humidity sensor are arranged on the wall of a high-voltage switch cabinet; the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor, the primary current sensor and the temperature and humidity sensor are in wireless communication connection with the intensive care intelligent terminal; the intensive care intelligent terminal is internally provided with an embedded high-performance processor for data analysis to obtain the real-time running state of the high-voltage switch cabinet. This intensive care unit is put in office can put amplitude, load current, environment humiture to high tension switchgear's office and carry out real-time supervision and analysis, and the operation and maintenance maintainer of being convenient for in time discovers high tension switchgear's hidden danger.
Description
Technical Field
The utility model relates to an electrical equipment detects technical field, particularly, relates to an intensive care unit is put in office.
Background
The 12-40.5 kV switch cabinet equipment is primary power transformation equipment with the largest operation number in a power grid device, and the operation reliability of the equipment directly influences social economy. The number of switch cabinets is continuously increased every year, and the increasing speed of the number of operation and maintenance personnel is far from keeping up with the increasing speed of the number of switch cabinets. In the actual production operation process, because of inevitably being influenced by various factors such as electricity, heat, machinery and environment, the problems such as insufficient electrical safety distance, internal insulation decline, poor operation state and the like occur inside the switch devices, various power failure faults are caused, and the production, operation and maintenance cost is continuously increased. In the power production process, not only the normal state of the power load but also the normal operation state of the power production equipment and the auxiliary judgment condition of the operation health state of the circuit equipment during partial discharge, load and environmental data need to be ensured.
The abnormal device of the partial discharge can not be confirmed by the regular detection of operation and maintenance personnel or the discovery of the abnormal device of the partial discharge through the on-line monitoring device, and the power failure is not suitable generally; in the initial stage of partial discharge, many partial discharge faults are difficult to confirm through nondestructive disassembly and inspection. Various sensors of the partial discharge intensive care device are in a wireless communication mode, can be installed quickly and conveniently without power failure and wiring, and are simultaneously provided with various partial discharge sensors and sensors for influencing key parameters of partial discharge current and temperature and humidity, so that the characteristics of partial discharge, types and characteristics of partial discharge and the correlation between other parameters can be recorded and analyzed for a long time; meanwhile, the remote transmission can be carried out on terminal equipment such as computers and mobile phones of operation and maintenance personnel, so that the operation and maintenance personnel can conveniently check the remote transmission at any time; the sensor adopts rechargeable design, is convenient for install and maintain. The whole set of device has powerful functions, can be assembled and disassembled in an electrified way, and has low comprehensive use cost. The device can better solve the problem of early and timely screening and determining faults in the partial discharge process so as to eliminate the faults in time and solve the problem of shortage of operation and maintenance personnel, and the operation and maintenance personnel do not need to analyze in the field after installing equipment, so that the operation and maintenance personnel can remotely check and analyze the faults.
In view of this, the present application is specifically made.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: in the current power production process, a real-time monitoring means aiming at the running state of the high-voltage switch cabinet is lacked. Aim at provides an intensive care therapy device is put in office, realizes carrying out monitoring, show and analysis to the operating condition of heavy duty monitoring cubical switchboard in real time.
The utility model discloses a following technical scheme realizes:
a partial discharge intensive care unit comprising: the system comprises an ultrahigh frequency partial discharge sensor, a multi-state intelligent sensor, a primary current sensor, a temperature and humidity sensor and an intensive care intelligent terminal, wherein the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor, the primary current sensor and the temperature and humidity sensor are arranged on the wall of a high-voltage switch cabinet; the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor, the primary current sensor and the temperature and humidity sensor are in wireless communication connection with the intensive care intelligent terminal; the intensive care intelligent terminal is internally provided with an embedded high-performance processor.
As a further description of the present invention, the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor, the plurality of primary current sensors, and the temperature and humidity sensor are all disposed on the multi-surface cabinet wall of the high-voltage switch cabinet; the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor, the primary current sensor and the temperature and humidity sensor are adsorbed on the inner wall of the high-voltage switch cabinet through a magnetic attraction mechanism arranged at the bottom.
As right the utility model discloses a further description, the sensor is put in superfrequency office the multistate intelligent sensor primary current sensor and temperature and humidity sensor all include: a rechargeable battery with ultra-low power consumption and a charging interface.
As a further description of the present invention, the multi-state smart sensor includes: the device comprises a built-in ultrasonic detection module and a transient ground voltage detection module.
As right the utility model discloses a further description, intensive care therapy intelligent terminal includes: the system comprises an ultrahigh frequency detection channel, an ultrasonic detection channel, a transient ground voltage detection channel, a primary current interface and a temperature and humidity data interface; the ultrahigh frequency detection channel is used for receiving and transmitting ultrahigh frequency partial discharge detection data uploaded by the ultrahigh frequency partial discharge sensor; the ultrasonic detection channel is used for receiving and transmitting ultrasonic detection data uploaded by the ultrasonic detection module, and the transient ground voltage detection channel is used for receiving and transmitting transient ground voltage detection data uploaded by the transient ground voltage detection module; the primary current interface is used for receiving and transmitting primary current detection data uploaded by the primary current sensor; the temperature and humidity data interface is used for receiving and transmitting temperature and humidity detection data uploaded by the temperature and humidity sensor.
As right the utility model discloses a further description, intensive care therapy intelligent terminal is including the portable industrial computer that adopts the almag structure, the surface covering of industrial computer has prevents drawing the coating.
As right the utility model discloses a further description, intensive care therapy intelligent terminal includes the display for the atlas information is put in the demonstration office.
As a further description of the present invention, the intensive care intelligent terminal includes a plurality of expansion interfaces for accessing the portable sensor; the expansion interface comprises a GIS partial discharge sensor interface.
It is right as the utility model discloses a further description, intensive care therapy intelligent terminal includes 4G data transmission module for send high tension switchgear's real-time running state analysis result to user terminal.
As right the utility model discloses a further description, including early warning equipment, early warning equipment with embedded high performance treater wireless communication connects for send early warning signal to the operation maintenance maintainer according to unusual real-time running state analysis result.
As right the utility model discloses a further description, early warning equipment with embedded high performance processor wireless communication connects.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the embodiment of the utility model provides an intensive care unit is put in office can carry out real-time supervision and analysis to the amplitude, load current, the environment humiture of putting in office of high tension switchgear, is convenient for the operation and maintenance maintainer in time to discover the hidden danger of high tension switchgear;
2. the embodiment of the utility model provides an intensive care unit is put in office can realize not having a power failure to arrange multiple partial discharge characteristic index check out test set to the cubical switchboard, is applicable to different cubical switchboard application scenes;
3. according to the intensive care unit for local discharge provided by the embodiment of the utility model, the intensive care intelligent terminal adopts the embedded high-performance processor, so that the power consumption of the unit is greatly reduced while high-speed sampling is ensured;
4. in the intensive care unit with local discharge provided by the embodiment of the utility model, the intensive care intelligent terminal is provided with an expansion interface, so that the openness of the intelligent terminal is enhanced, and the intelligent terminal can be matched with a plurality of different local discharge sensors;
5. the embodiment of the utility model provides a local discharge intensive care unit, multistation intelligent sensor installs in the cubical switchboard inner wall, can monitor ultrasonic wave (AE) and transient state earth voltage (TEV), has remedied the defect that common sensor can only monitor single index;
6. according to the local discharge intensive care monitoring device provided by the embodiment of the utility model, the wireless data receiving terminal and the intelligent sensor adopt wireless communication, so that the problems that the common monitoring device is wired in a signal transmission mode and the field wiring difficulty is high are solved;
7. the embodiment of the utility model provides a local discharge intensive care unit can monitor two indexes of ultrasonic wave and Transient Earth Voltage (TEV) of high tension switchgear simultaneously, improves the accuracy of device monitoring;
8. the embodiment of the utility model provides a pair of intensive care therapy device is put in office possesses the alarm function, can carry out the early warning effect before the accident to the straight tube personnel of transformer substation's cell-phone information propelling movement when exceeding default office discharge.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic structural view of an intensive care unit for partial discharge according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a relationship between an intelligent intensive care terminal, a sensor and a user terminal provided in the embodiment of the present invention;
fig. 3 is a schematic view showing scattered points of a partial discharge monitoring analysis result provided by the embodiment of the present invention;
fig. 4 is a three-dimensional schematic diagram of a partial discharge monitoring analysis result provided by the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
the system comprises a 1-ultrahigh frequency partial discharge sensor, a 2-multi-state intelligent sensor, a 3-primary current sensor, a 4-temperature and humidity sensor, a 5-intensive care intelligent terminal, a 51-ultrahigh frequency detection channel, a 52-ultrasonic detection channel, a 53-transient ground voltage detection channel, a 54-primary current interface and a 55-temperature and humidity data interface.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
When high tension switchgear and inside high-tension apparatus produced partial discharge, physical or chemical phenomena and corresponding processes such as partial discharge often have been accompanied to in-process, the electromagnetic wave, the ultrasonic wave, light, ozone, heat, for realizing carrying out real time monitoring to high tension switchgear's running state, this embodiment provides a partial discharge intensive care device, mainly be typical application scene to transformer substation's cubical switchboard scene, use superfrequency, ultrasonic wave, transient state ground voltage (TEV) as main detection index, to high tension switchgear partial discharge probability, partial discharge amplitude, real-time load, environmental temperature and humidity in the electric power production process gather in real time and monitor, real-time data is analysis processes on the spot, upload cloud platform and micro application APP. The method aims to realize the arrangement of multiple partial discharge characteristic index (ultrahigh frequency, ultrasonic wave and TEV) detection equipment in a simple and portable mode without power outage, so that the method is suitable for different switch cabinet application scenes.
In particular, the method comprises the following steps of,
as shown in fig. 1, the partial discharge intensive care unit includes: the system comprises an ultrahigh frequency partial discharge sensor 1, a multi-state intelligent sensor 2, a primary current sensor 3, a temperature and humidity sensor 4 and an intensive care intelligent terminal 5, wherein the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor 2, the primary current sensor 3 and the temperature and humidity sensor are arranged on the wall of a high-voltage switch cabinet; the ultrahigh frequency partial discharge sensor 1, the multi-state intelligent sensor 2, the primary current sensor 3 and the temperature and humidity sensor 4 are in wireless communication connection with the intensive care intelligent terminal 5; the intensive care intelligent terminal 5 is internally provided with an embedded high-performance processor.
It should be noted that, the high-performance processor described in this embodiment may be an NI CompactRIO embedded industrial control processor, and the industrial control processor carries a computer program for analyzing the real-time operating status of the high-voltage switch cabinet, where the computer program is an existing data analysis program.
In order to realize the all-dimensional monitoring of the high-voltage switch cabinet, in the embodiment, an ultrahigh frequency partial discharge sensor 1, a multi-state intelligent sensor 2, three primary current sensors 3 and a temperature and humidity sensor 4 are arranged on three cabinet walls of the high-voltage switch cabinet, so that partial discharge data of the three-side switch cabinet can be collected, analyzed and uploaded. It should be noted that the ultrahigh frequency partial discharge sensor 1, the multi-state intelligent sensor 2, the primary current sensor 3 and the temperature and humidity sensor 4 are adsorbed on the inner wall of the high-voltage switch cabinet through a magnetic attraction mechanism arranged at the bottom.
Wherein the content of the first and second substances,
the ultrahigh frequency partial discharge sensor 1 is suitable for integrated installation before the switch cabinet leaves a factory or live installation of an applied high-voltage switch cabinet, has excellent response performance on partial discharge electromagnetic wave signals with a frequency band of 300 MHz-1500 MHz in the internal space of the switch cabinet, and realizes coupling of partial discharge signals of the switch cabinet.
The multi-state smart sensor 2 includes: the built-in ultrasonic detection module and transient state ground voltage detection module can monitor ultrasonic wave (AE) and transient state ground voltage (TEV), make up the defect that common sensor on the market can only monitor single index when improving the accuracy of device monitoring. In addition, the wave detection range of the ultrasonic detection module adopted in the embodiment is predicted to be-7 to 70dB [ mu ] V, and the monitoring range of the transient ground voltage detection module adopted in the embodiment is predicted to be 0 to 60 dB.
The primary current sensor 3 can monitor the primary current of the switch cabinet, can judge the load condition of the cabinet body, adopts the lora wireless transmission mode to carry out data interaction with the intensive care intelligent terminal 5, and makes up the problem that the common monitoring device on the market has more existing signal transmission modes, is wired and the field wiring difficulty is large.
The primary current sensor 3 is installed in a CT secondary circuit by adopting an open CT sensor, and the temperature and humidity sensor 4 is installed in an instrument cabin.
Temperature and humidity sensor 4 can monitor cubical switchboard operational environment humiture, can assess the environmental impact, and the supplementary reason that takes place that judges partial discharge adopts zigBee's wireless transmission mode and intensive care intelligent terminal 5 to carry out data interaction.
The intensive care intelligent terminal 5 adopts a high-strength aluminum-magnesium alloy structure, the strength of the intensive care intelligent terminal 5 can be improved, the surface of the intensive care intelligent terminal is treated by adopting a scratch-resistant coating, and the intensive care intelligent terminal is a portable industrial personal computer which is lighter and has higher cost performance. In addition, the intensive care intelligent terminal 5 adopts a notebook keyboard, a touch mouse board and an embedded industrial main board, and is portable, reinforced, portable and strong in expansibility. The terminal adopts an embedded high-performance processor, so that the power consumption of the device is greatly reduced while high-speed sampling is ensured. The intensive care intelligent terminal 5 is also provided with a front section web interface with a display, and can display the partial discharge map information, as shown in fig. 3 and 4; temperature, humidity, current and partial discharge (ultrasonic wave, low voltage and ultrahigh frequency) synchronous joint judgment can be carried out, and an analysis report is completed; the built-in 4G data transmission module has a data remote transmission function and is used for sending the real-time running state analysis result of the high-voltage switch cabinet to the user terminal. In addition, the intensive care intelligent terminal 5 is provided with an expansion interface, supports the access of different portable sensors, expands and matches an environmental sensor, a cabinet surface temperature sensor and the like, and even can match a GIS partial discharge sensor to realize the intensive care of GIS equipment.
It should be added that, the ultrahigh frequency partial discharge sensor 1, the multi-state intelligent sensor 2, the primary current sensor 3, and the temperature and humidity sensor 4 all include: the rechargeable battery and the charging interface with ultra-low power consumption support charging operation for more than 2 weeks.
Corresponding to the above-mentioned ultrahigh frequency detection channel 51, ultrasonic detection channel 52, transient ground voltage detection channel 53, primary current interface 54 and temperature and humidity data interface 55, this intensive care intelligent terminal 5 includes: the system comprises three ultrahigh frequency detection channels 51, three ultrasonic detection channels 52, three transient ground voltage detection channels 53, nine primary current interfaces 54 and three temperature and humidity data interfaces 55, and is used for receiving six local discharge sensor data, nine primary current data and three temperature and humidity sensor 4 data in real time. The ultrahigh frequency detection channel 51 is configured to receive and transmit ultrahigh frequency partial discharge detection data uploaded by the ultrahigh frequency partial discharge sensor 1; the ultrasonic detection channel 52 is used for receiving and transmitting ultrasonic detection data uploaded by the ultrasonic detection module, and the transient ground voltage detection channel 53 is used for receiving and transmitting transient ground voltage detection data uploaded by the transient ground voltage detection module; the primary current interface 54 is used for receiving and transmitting primary current detection data uploaded by the primary current sensor 3; the temperature and humidity data interface 55 is used for receiving and transmitting temperature and humidity detection data uploaded by the temperature and humidity sensor 4.
In addition, the intensive care therapy device is put in office that this embodiment provided relies on the online detection equipment is put in office + ubiquitous internet of things, puts the monitoring value in office and collects and upload to backstage (cloud platform) through wireless data receiving terminal (host computer), consequently, this monitoring device still possesses the alarm function, including early warning equipment, early warning equipment with embedded high performance treater wireless communication is connected for send early warning signal to operation and maintenance maintainer according to unusual real-time running state analysis result.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A local intensive care unit, comprising: the system comprises an ultrahigh frequency partial discharge sensor (1), a multi-state intelligent sensor (2), a primary current sensor (3), a temperature and humidity sensor (4) and an intensive care intelligent terminal (5), wherein the ultrahigh frequency partial discharge sensor, the multi-state intelligent sensor and the temperature and humidity sensor are arranged on the wall of a high-voltage switch cabinet; the ultrahigh frequency partial discharge sensor (1), the multi-state intelligent sensor (2), the primary current sensor (3) and the temperature and humidity sensor (4) are in wireless communication connection with the intensive care intelligent terminal (5); the intensive care intelligent terminal (5) is internally provided with an embedded high-performance processor.
2. The intensive care unit for partial discharge according to claim 1, wherein the ultrahigh frequency partial discharge sensor (1), the multi-state intelligent sensor (2), the plurality of primary current sensors (3) and the temperature and humidity sensor (4) are arranged on the multi-surface cabinet wall of the high-voltage switch cabinet; the ultrahigh frequency partial discharge sensor (1), the multi-state intelligent sensor (2), the primary current sensor (3) and the temperature and humidity sensor (4) are adsorbed on the inner wall of the high-voltage switch cabinet through a magnetic attraction mechanism arranged at the bottom.
3. Intensive care unit for local discharge according to claim 1, characterized in that the ultrahigh frequency local discharge sensor (1), the multi-state intelligent sensor (2), the primary current sensor (3) and the temperature and humidity sensor (4) each comprise: a rechargeable battery with ultra-low power consumption and a charging interface.
4. A local intensive care therapy device according to claim 1, characterized in that the multi-state intelligent sensor (2) comprises: the device comprises a built-in ultrasonic detection module and a transient ground voltage detection module.
5. A local intensive care unit according to claim 4,
intensive care therapy intelligent terminal (5) include: the system comprises an ultrahigh frequency detection channel (51), an ultrasonic detection channel (52), a transient ground voltage detection channel (53), a primary current interface (54) and a temperature and humidity data interface (55);
the ultrahigh frequency detection channel (51) is used for receiving and transmitting ultrahigh frequency partial discharge detection data uploaded by the ultrahigh frequency partial discharge sensor (1); the ultrasonic detection channel (52) is used for receiving and transmitting ultrasonic detection data uploaded by the ultrasonic detection module, and the transient ground voltage detection channel (53) is used for receiving and transmitting transient ground voltage detection data uploaded by the transient ground voltage detection module; the primary current interface (54) is used for receiving and transmitting primary current detection data uploaded by the primary current sensor (3); the temperature and humidity data interface (55) is used for receiving and transmitting temperature and humidity detection data uploaded by the temperature and humidity sensor (4).
6. The intensive care unit according to claim 1, wherein the intelligent intensive care terminal (5) comprises a portable industrial personal computer adopting an aluminum-magnesium alloy structure, and the surface of the industrial personal computer is covered with an anti-scratch coating.
7. The intensive care unit according to claim 1, wherein the intelligent intensive care terminal (5) comprises a display for displaying the local discharge map information.
8. The intensive care unit according to claim 1, wherein the intelligent intensive care terminal (5) comprises a plurality of expansion interfaces for accessing portable sensors; the expansion interface comprises a GIS partial discharge sensor interface.
9. The intensive care unit according to claim 8, wherein the intelligent intensive care terminal (5) comprises a 4G data transmission module for transmitting the real-time operation status analysis result of the high-voltage switch cabinet to the user terminal.
10. The intensive care unit according to claim 1, comprising an early warning device, wherein the early warning device is connected to the embedded high-performance processor in wireless communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220996846.5U CN217213002U (en) | 2022-04-26 | 2022-04-26 | Local discharge intensive care device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220996846.5U CN217213002U (en) | 2022-04-26 | 2022-04-26 | Local discharge intensive care device |
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| Publication Number | Publication Date |
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| CN217213002U true CN217213002U (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220996846.5U Active CN217213002U (en) | 2022-04-26 | 2022-04-26 | Local discharge intensive care device |
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| CN (1) | CN217213002U (en) |
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- 2022-04-26 CN CN202220996846.5U patent/CN217213002U/en active Active
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