CN212674199U - Oil medium sealing equipment inside temperature and pressure on-line monitoring device - Google Patents
Oil medium sealing equipment inside temperature and pressure on-line monitoring device Download PDFInfo
- Publication number
- CN212674199U CN212674199U CN201922231690.2U CN201922231690U CN212674199U CN 212674199 U CN212674199 U CN 212674199U CN 201922231690 U CN201922231690 U CN 201922231690U CN 212674199 U CN212674199 U CN 212674199U
- Authority
- CN
- China
- Prior art keywords
- pressure
- monitoring device
- power supply
- temperature
- data
- 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
- 238000012806 monitoring device Methods 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 230000006855 networking Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 238000009529 body temperature measurement Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 2
- 238000003745 diagnosis Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 15
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
An oil medium sealing equipment internal temperature and pressure on-line monitoring device is characterized in that the monitoring device is installed on the upper portion of an expander, a temperature sensor is inserted into the expander through a sealing ring and can measure the internal temperature of a mutual inductor within the range of minus 40-120 ℃, the pressure sensor adopts a capacitive pressure sampling method to measure the pressure value of the mutual inductor of 0-1.0 MPa, and the temperature sensor and the pressure sensor transmit signals to the monitoring device through leads to extract and calculate the signals; the wireless antenna is connected with the monitoring device, monitored data can be remotely transmitted in a wireless mode, a LoRa Internet of things transmission mode is adopted, networking is carried out on the data and other equipment, and data interaction is carried out on the data through the antenna and an external terminal. The utility model has the advantages that: the solar power supply and wireless communication mode is utilized to realize networking of communication and remote transmission of data, the solar power supply and wireless communication networking and remote transmission of data are realized, and the capability of equipment defect analysis and fault diagnosis is greatly improved.
Description
Technical Field
The patent of the utility model relates to an adopt internet of things to realize on-line monitoring on the expander that voltage/current transformer top was installed to power equipment like voltage/current transformer, transformer bushing's internal pressure and temperature on-line monitoring method, especially relate to one kind, and to transformer bushing's bottom design one kind can real-time supervision sleeve pipe internal pressure temperature's on-line monitoring method moreover. The whole system adopts solar energy power supply, based on loRa wireless communication mode, constitutes the thing networking jointly with other monitoring facilities that have the thing networking function, and remote acquisition monitoring data forms the comprehensive judgement of power equipment running state.
Background
In the present electric power system, the oil medium sealing devices generally refer to a voltage/current transformer and a transformer bushing, wherein the voltage/current transformer is a high-voltage device for measuring primary voltage and current values, the transformer bushing belongs to a high-voltage terminal device on a transformer, and the common point of the two devices is that an oil medium sealing structure is adopted to achieve the purpose of high-voltage insulation. However, since the high voltage equipment works outdoors for a long time and works in high voltage occasions, faults such as partial discharge, insulation deterioration and the like easily occur in the equipment, and the temperature and the pressure of the insulating oil in the equipment are increased at the initial stage of the occurrence of the problems. Can lead to just can observe the change of oil pressure when equipment internal failure has very serious like this, and infrared temperature measurement belongs to routine experiment, the change of difficult in time discovering the temperature, so the utility model relates to an on-line monitoring oil medium sealing equipment's internal pressure temperature, can be real-timely transmit the measuring result to the equipment outside or backstage terminal through wireless mode, because the development energetically of the electric power thing networking at present ubiquitous, high voltage equipment's in the transformer substation monitoring device is according to national standard, mainly be based on loRa-wan's communication mode, consequently, the communication technology of loRa is fused to this application scheme, carry out the interconnection with the thing networking of other equipment, thereby reach the comprehensive perception of high voltage equipment state information in full transformer substation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned problem, provide an inside temperature of oil medium sealing equipment and pressure on-line monitoring device very much.
The utility model provides an inside temperature of oil medium sealing equipment and pressure on-line monitoring device, its characterized in that: in the online monitoring device for the internal temperature and pressure of the oil medium sealing equipment, the expanders 1 are mounted at the tops of voltage/current transformers, the interiors of the voltage/current transformers are filled with insulating oil, and the expanders 1 are sealing structures and are communicated with the insulating oil in the transformers; there is metal dustcoat 2 at the mutual-inductor top, inside in order to prevent that the rainwater from entering into the mutual-inductor, 3W solar cell panel 7 of dustcoat outside installation to enter into monitoring devices 5 through supply cable 8, for the device power supply. The monitoring device 5 is installed on the upper portion of the expander, the temperature sensor 4 is inserted into the expander 1 through a sealing ring and can measure the internal temperature of the mutual inductor within the range of minus 40 ℃ to 120 ℃, the pressure sensor 3 adopts a capacitance type pressure sampling method to measure the pressure value of the mutual inductor of 0MPa to 1.0MPa, and the temperature sensor 4 and the pressure sensor 3 transmit signals to the monitoring device 5 through leads to extract and calculate the signals. Wireless antenna 8 links to each other with monitoring devices 5, and the data of monitoring can be carried out the teletransmission through wireless mode, adopts loRa thing networking transmission mode, carries out the network deployment with other equipment, and data carry out the data interaction through antenna 8 and external terminal.
According to the figure 2, the transformer bushing 14 is filled with insulating oil, the oil sample collection interface 9 is designed, the sensor interface and the oil drain valve form an integrated structure and are installed at the bottom of the bushing, the pressure sensor I10 can measure the pressure value at the bottom of the bushing, and the temperature sensor I11 can measure the temperature of a bottom oil medium. The temperature and pressure sensor is connected to the first monitoring device 13 through a lead, the first monitoring device 13 is used for processing and calculating signals to obtain the pressure and temperature value of oil at the bottom of the sleeve, the first monitoring device 13 is powered by the first solar panel 12, and the solar panel is installed outside the device and absorbs light energy and converts the light energy into electric energy. Data of the monitoring device are transmitted to the outside in a wireless mode, the wireless mode adopts a LoRa transmission mode, networking is carried out on the monitoring device and other equipment, and data interaction is carried out on the monitoring device and an external terminal through the antenna 15.
According to the illustration in fig. 3, the housing 15 is made of a shielding cast aluminum casing, the output of the solar panel outside the device is connected to the solar power supply cable 16, and is connected to the monitoring device in a plug-and-play manner through the power supply interface 17, the solar power supply module 20 converts the voltage of the solar panel into a 3.3V regulated voltage source to supply power to the whole device and charge the power supply battery 23, and when the light energy is insufficient, the power supply of the device is provided by the power supply battery 23. The temperature sensing module 19 converts the PT100 signal into an electrical signal, and then calculates a temperature value through the MCU 22. The output signal of the pressure sensor is transmitted to the MCU22 through the pressure signal input end 24, and the current pressure value is calculated. The MCU22 is connected with the wireless module 18, converts the temperature and pressure measurement results into wireless signals through the wireless module 18, and transmits the wireless signals to the far end through the antenna I25.
The utility model has the advantages that:
networking of communication and remote transmission of data are realized by utilizing a solar power supply and wireless communication mode; an interface form for collecting oil temperature and pressure at the bottom of the sleeve is designed, and solar power supply, wireless communication networking and data remote transmission are realized. Communication based on loRa can use the monitoring facilities of this mode to interact in with other stations, realizes the interconnection of equipment state information at the transformer substation bottom, forms the data network that equipment trouble was synthesized and is judged, and the running state of better analytical equipment improves equipment defect analysis and fault diagnosis's ability greatly.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
fig. 1 is a schematic view of the temperature and pressure monitoring of the voltage/current transformer of the present invention;
fig. 2 is a schematic view of monitoring temperature and pressure of the transformer bushing of the present invention;
FIG. 3 is a circuit diagram of the on-line monitoring device of the oil medium sealing equipment of the present invention;
in fig. 1: the system comprises an expander 1, a mutual inductor top outer cover 2, a pressure sensor 3, a temperature sensor 4, a monitoring device 5, a power supply cable 6, a solar panel 7 and an antenna 8;
in fig. 2: an oil sample collection interface 9; the solar water heater comprises a pressure sensor I10, a temperature sensor I11, a solar panel I12, a monitoring device I13 and a sleeve casing 14;
in fig. 3: the device comprises a shell 15, a solar power supply cable 16, a power supply interface 17, a wireless module 18, a temperature sensor module 19, a solar power supply module 20, a pressure sensor module 21, an MCU22, a power supply battery 23, a pressure signal input end 24 and an antenna I25.
Detailed Description
Example 1
The utility model provides an inside temperature of oil medium sealing equipment and pressure on-line monitoring device, its characterized in that: in the online monitoring device for the internal temperature and pressure of the oil medium sealing equipment, the expanders 1 are mounted at the tops of voltage/current transformers, the interiors of the voltage/current transformers are filled with insulating oil, and the expanders 1 are sealing structures and are communicated with the insulating oil in the transformers; there is metal dustcoat 2 at the mutual-inductor top, inside in order to prevent that the rainwater from entering into the mutual-inductor, 3W solar cell panel 7 of dustcoat outside installation to enter into monitoring devices 5 through supply cable 8, for the device power supply. The monitoring device 5 is installed on the upper portion of the expander, the temperature sensor 4 is inserted into the expander 1 through a sealing ring and can measure the internal temperature of the mutual inductor within the range of minus 40 ℃ to 120 ℃, the pressure sensor 3 adopts a capacitance type pressure sampling method to measure the pressure value of the mutual inductor of 0MPa to 1.0MPa, and the temperature sensor 4 and the pressure sensor 3 transmit signals to the monitoring device 5 through leads to extract and calculate the signals. Wireless antenna 8 links to each other with monitoring devices 5, and the data of monitoring can be carried out the teletransmission through wireless mode, adopts loRa thing networking transmission mode, carries out the network deployment with other equipment, and data carry out the data interaction through antenna 8 and external terminal.
According to the figure 2, the transformer bushing 14 is filled with insulating oil, the oil sample collection interface 9 is designed, the sensor interface and the oil drain valve form an integrated structure and are installed at the bottom of the bushing, the pressure sensor I10 can measure the pressure value at the bottom of the bushing, and the temperature sensor I11 can measure the temperature of a bottom oil medium. The temperature and pressure sensor is connected to the first monitoring device 13 through a lead, the first monitoring device 13 is used for processing and calculating signals to obtain the pressure and temperature value of oil at the bottom of the sleeve, the first monitoring device 13 is powered by the first solar panel 12, and the solar panel is installed outside the device and absorbs light energy and converts the light energy into electric energy. Data of the monitoring device are transmitted to the outside in a wireless mode, the wireless mode adopts a LoRa transmission mode, networking is carried out on the monitoring device and other equipment, and data interaction is carried out on the monitoring device and an external terminal through the antenna 15.
According to the illustration in fig. 3, the housing 15 is made of a shielding cast aluminum casing, the output of the solar panel outside the device is connected to the solar power supply cable 16, and is connected to the monitoring device in a plug-and-play manner through the power supply interface 17, the solar power supply module 20 converts the voltage of the solar panel into a 3.3V regulated voltage source to supply power to the whole device and charge the power supply battery 23, and when the light energy is insufficient, the power supply of the device is provided by the power supply battery 23. The temperature sensing module 19 converts the PT100 signal into an electrical signal, and then calculates a temperature value through the MCU 22. The output signal of the pressure sensor is transmitted to the MCU22 through the pressure signal input end 24, and the current pressure value is calculated. The MCU22 is connected with the wireless module 18, converts the temperature and pressure measurement results into wireless signals through the wireless module 18, and transmits the wireless signals to the far end through the antenna I25.
The method for monitoring the internal temperature and pressure of the oil medium sealing equipment on line comprises the steps that the high-pressure oil medium sealing equipment comprises a voltage/current transformer and a transformer bushing, the internal temperature and pressure of the high-pressure equipment are increased when the internal part of the high-pressure equipment breaks down, and a monitoring data result is uploaded to a background through a solar power supply and wireless networking transmission mode.
Through installing temperature pressure sensor at mutual-inductor upper portion expander, supply power to monitoring devices through the solar panel at mutual-inductor top, utilize loRa thing networking communication platform, realize the wireless network deployment and the transmission of data.
The oil appearance of transformer bushing bottom oil discharge opening gathers the interface, and through the parameter variation of temperature pressure sensor perception sleeve pipe bottom oil medium, through outside solar energy power supply and loRa thing networking communication platform, the wireless network deployment and the transmission of realization data.
The adopted data transmission mode is a wireless LoRa network, and each monitoring point can form the networking of a wireless communication network and transmit the measurement data to the upper level.
The power supply mode adopted by the online monitoring method of the high-pressure oil medium sealing equipment comprising the voltage/current transformer and the transformer bushing adopts solar power supply, and can continuously and reliably supply power for the online monitoring device.
The high-pressure oil medium sealing equipment comprises a voltage/current transformer and a transformer bushing, and the temperature and pressure of internal oil are changed under the condition of internal short circuit or degradation, so that the high-pressure oil medium sealing equipment can effectively detect and transmit data to a background in real time.
Claims (3)
1. The utility model provides an inside temperature of oil medium sealing equipment and pressure on-line monitoring device which characterized in that: the online monitoring device for the internal temperature and pressure of the oil medium sealing equipment comprises an expander, a mutual inductor top outer cover, a pressure sensor, a temperature sensor, a monitoring device, a power supply cable, a solar panel, an antenna, an oil sample collection interface, a sleeve outer cover, a shell, a solar power supply cable, a power supply interface, a wireless module, a temperature sensor module, a solar power supply module, a pressure sensor module, an MCU, a power supply battery and a pressure signal input end;
the top of each voltage/current transformer is provided with an expander, the inside of each voltage/current transformer is filled with insulating oil, and the expanders are of sealing structures and are communicated with the insulating oil inside the transformers; a metal outer cover is arranged at the top of the mutual inductor, and in order to prevent rainwater from entering the mutual inductor, a 3W solar cell panel is arranged outside the outer cover and enters a monitoring device through a power supply cable to supply power to the device; the monitoring device is arranged at the upper part of the expander, the temperature sensor is inserted into the expander through the sealing ring and can measure the internal temperature of the mutual inductor within the range of minus 40 ℃ to 120 ℃, the pressure sensor adopts a capacitance pressure sampling method to measure the pressure value of the mutual inductor of 0MPa to 1.0MPa, and the temperature sensor and the pressure sensor transmit signals to the monitoring device through leads to extract and calculate the signals; the wireless antenna is connected with the monitoring device, monitored data can be remotely transmitted in a wireless mode, a LoRa Internet of things transmission mode is adopted, networking is carried out on the data and other equipment, and data interaction is carried out on the data through the antenna and an external terminal.
2. The oil medium sealing equipment internal temperature and pressure on-line monitoring device according to claim 1, characterized in that: the transformer bushing is filled with insulating oil, an oil sample collecting interface is designed, a sensor interface and an oil drain valve form an integrated structural form and are arranged at the bottom of the bushing, a first pressure sensor can measure the pressure value at the bottom of the bushing, and a first temperature sensor can measure the temperature of a bottom oil medium; the first temperature and pressure sensor is connected to the first monitoring device through a lead, the first monitoring device achieves signal processing and calculation to obtain the pressure and temperature value of oil at the bottom of the sleeve, power supply of the first monitoring device is provided by a solar panel, and the solar panel is installed outside the device and absorbs light energy and converts the light energy into electric energy.
3. The oil medium sealing equipment internal temperature and pressure on-line monitoring device according to claim 1, characterized in that: the shell adopts a shielding cast aluminum shell, the output of a solar panel I outside the device is connected with a solar power supply cable and is connected to the monitoring device in a plug-and-pull mode through a power supply interface, a solar power supply module converts the voltage of the solar panel I into a 3.3V stable voltage source to supply power to the whole device and charge a power supply battery, and when the light energy is insufficient, the power supply of the device is provided by the power supply battery; the temperature sensing module I converts the PT100 signal into an electric signal and calculates a temperature value through the MCU; an output signal of the first pressure sensor is transmitted to the MCU through a pressure signal input end, and a current pressure value is calculated; the MCU is connected with the wireless module, converts the temperature and pressure measurement results into wireless signals through the wireless module, and transmits the wireless signals to the far end through the antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231690.2U CN212674199U (en) | 2019-12-13 | 2019-12-13 | Oil medium sealing equipment inside temperature and pressure on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922231690.2U CN212674199U (en) | 2019-12-13 | 2019-12-13 | Oil medium sealing equipment inside temperature and pressure on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212674199U true CN212674199U (en) | 2021-03-09 |
Family
ID=74810185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922231690.2U Active CN212674199U (en) | 2019-12-13 | 2019-12-13 | Oil medium sealing equipment inside temperature and pressure on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212674199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746055A (en) * | 2021-09-07 | 2021-12-03 | 特变电工昭和（山东）电缆附件有限公司 | Intelligent oil-filled outdoor power terminal and working method thereof |
-
2019
- 2019-12-13 CN CN201922231690.2U patent/CN212674199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746055A (en) * | 2021-09-07 | 2021-12-03 | 特变电工昭和（山东）电缆附件有限公司 | Intelligent oil-filled outdoor power terminal and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110926543A (en) | Online monitoring device and method for internal temperature and pressure of oil medium sealing equipment | |
| CN203502135U (en) | Temperature monitor apparatus for high-voltage electric power equipment | |
| CN112946533A (en) | Distribution transformer state monitoring and fault diagnosis device | |
| CN212674199U (en) | Oil medium sealing equipment inside temperature and pressure on-line monitoring device | |
| CN216117869U (en) | High-voltage bushing integrated online monitoring system | |
| CN103197216A (en) | Cable joint partial discharge monitoring system based on optical fiber transmission | |
| CN110553801B (en) | Multifunctional gas density monitor and system based on edge calculation | |
| CN113064040A (en) | Coated cable joint fault early warning device and method | |
| CN202817913U (en) | Intelligent component based on traditional substation main transformer | |
| CN110441681B (en) | High-medium-voltage precise remote gas density relay and gas density monitoring system | |
| CN210199238U (en) | Intelligent sensor integrating monitoring of leakage current and partial discharge of sleeve | |
| CN204129169U (en) | The comprehensive assessment of bushing shell for transformer state detects analysis platform | |
| CN111816431A (en) | Mutual inductor on-line monitoring device facing expander | |
| CN213240395U (en) | Micro-power consumption cable partial discharge sensor | |
| CN111579942A (en) | Intelligent sensor integrating oil gas, partial discharge and micro-water detection of transformer | |
| CN209980962U (en) | Three-phase digital distribution transformer | |
| CN103217192A (en) | Intelligent assembly | |
| CN113405692A (en) | Underground cable temperature measuring device, monitoring system and method | |
| CN112796733A (en) | Self-generating vortex street flowmeter | |
| CN206002476U (en) | A kind of intensity magnetic separator fuel tank comprehensive monitoring sensor | |
| CN112350264A (en) | Cable accessory temperature detection device and method | |
| CN214895742U (en) | Distribution transformer state monitoring and fault diagnosis device | |
| CN203397884U (en) | Isolation breaker electronic current transformer | |
| CN110850278A (en) | Electromechanical integrated gas density relay | |
| CN219284522U (en) | Ring main unit capacitor electricity-taking type plug wireless temperature measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |