CN202648731U - Oil level monitoring device for transformer - Google Patents
Oil level monitoring device for transformer Download PDFInfo
- Publication number
- CN202648731U CN202648731U CN 201220167051 CN201220167051U CN202648731U CN 202648731 U CN202648731 U CN 202648731U CN 201220167051 CN201220167051 CN 201220167051 CN 201220167051 U CN201220167051 U CN 201220167051U CN 202648731 U CN202648731 U CN 202648731U
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- oil level
- signal
- transmission device
- transformer
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model provides an oil level monitoring device for a transformer, comprising a microprocessor (1), an oil level change signal picking device connected with the microprocessor (1), an oil level change signal display device connected with the microprocessor (1), an oil level change signal alarming device connected with the microprocessor (1), an oil level change signal far transmission device connected with the microprocessor (1) and an intelligent light pillar instrument (8) which is connected with the microprocessor (1) and is used for equal proportion liquid level display; and the microprocessor (1) is provided with an instruction input device so that the accuracy of monitoring an oil level of transformer oil is improved.
Description
One, technical field
The utility model relates to a kind of oil level prison checking device, especially a kind of oil level prison checking device for transformer.
Two, background technology
In power transmission and transformation line, in order to reduce the loss of electric energy, need to use transformer to carry out the change of voltage, therefore transformer is an important electrical equipment, transformer also is the important pivot equipment in the electric system, along with the increase of transformer capacity and increasing of number transformer, guarantee that the transformer safe operation is particularly important
Constantly compensation to transformer operating transformer oil is an important means, oil level prison checking device to transformer oil is an important safety equipment, at existing oil level prison checking device for transformer, be generally drawstring pointer-type device, it is simple in structure, and precision is low, and the convertible indicator device of the magnetic of use is also arranged, also be that resolution is low, can not differentiate by the impact of illumination and night; Oil level prison inspection precision to transformer oil is low, does not satisfy the needs of UHV (ultra-high voltage) large capacity transmission circuit.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of oil level prison checking device for transformer, has therefore improved the true property in Huaihe River of the monitoring of transformer oil oil level.
For achieving the above object, the technical scheme that the utility model is taked is: the oil level variable signal pick device that include microprocessor, is connected with microprocessor, the oil level variable signal display device that is connected with microprocessor, the oil level variable signal warning device that is connected with microprocessor, the oil level variable signal remote transmission device that is connected with microprocessor, be connected with microprocessor be used for the intelligent light beam instrument that liquid level in proportion shows, microprocessor is provided with instruction inputting device.
When the transformer oil of oil conservater inside increases or reduces, signal pickup device gathers the transformer oil oil level signal, then signal is passed to microprocessor, then microprocessor carries out analyzing and processing after to signal, with analysis result transmitted signal display device, signalling alarm equipment, signal far-transmission device and intelligent light beam instrument, thereby the oil level result of variations of transformer oil is supervised inspection constantly, owing to having designed microprocessor, signal pickup device, signal display apparatus, signalling alarm equipment, signal far-transmission device and intelligent light beam instrument, transformer oil oil level variable signal turned to draw be digital signal, improve the processing accuracy of microprocessor to signal, therefore improved the true property in Huaihe River of the monitoring of transformer oil oil level.
The utility model has designed, include liquid level sensor, wave-shaping filter, the intelligent digital device, registering instrument, the signal far-transmission device I, the signal far-transmission device II, warning device and telepilot, liquid level sensor is set to be connected with microprocessor by wave-shaping filter, registering instrument is set to be connected with microprocessor by the intelligent digital device, the signal far-transmission device I, the signal far-transmission device II be connected the light beam instrument and be set to respectively be connected with microprocessor, warning device is set to be connected with microprocessor by relay, and telepilot is set to be connected with microprocessor by radiowave.
The utility model has designed, and microprocessor is set to single-chip microcomputer and is provided with the instruction input disc.
The utility model has designed, and liquid level sensor is set to include displacement transducer and corrugated tube, and the contact of displacement transducer is set to connect with corrugated tube, and corrugated tube is arranged in the transformer oil.
The utility model has designed, and the digital display area of registering instrument is set to the LED lamp and forms.
The utility model has designed, and the signal far-transmission device I is set to the 4-20mA signal far-transmission device.
The utility model has designed, and the signal far-transmission device II is set to the RS485 signal far-transmission device.
Four, description of drawings
Accompanying drawing is schematic diagram of the present utility model.
Five, embodiment
Accompanying drawing is an embodiment of the present utility model, specify by reference to the accompanying drawings the present embodiment, include microprocessor 1, liquid level sensor 2, wave-shaping filter 3, intelligent digital device 4, registering instrument 5, signal far-transmission device I 6, signal far-transmission device II 7, intelligence light beam instrument 8, warning device 9 and telepilot 10, liquid level sensor 2 is set to be connected with microprocessor 1 by wave-shaping filter 3, registering instrument 5 is set to be connected with microprocessor 1 by intelligent digital device 4, signal far-transmission device I 6, signal far-transmission device II 7 be connected light beam instrument 8 and be set to respectively be connected with microprocessor 1, warning device 9 is set to be connected with microprocessor 1 by relay, and telepilot 10 is set to be connected with microprocessor 1 by radiowave.
In the present embodiment, microprocessor 1 is set to single-chip microcomputer and is provided with the instruction input disc.
In the present embodiment, liquid level sensor 2 is set to include displacement transducer and corrugated tube, and the contact of displacement transducer is set to connect with corrugated tube, and corrugated tube is arranged in the transformer oil.
In the present embodiment, the digital display area of registering instrument 5 is set to LED lamp composition.
In the present embodiment, signal far-transmission device I 6 is set to the 4-20mA signal far-transmission device.
In the present embodiment, signal far-transmission device II 7 is set to the RS485 signal far-transmission device.
When the transformer oil of oil conservater inside increases or reduces, the promotion corrugated tube moves, when moving, corrugated tube drives the displacement transducer contact, displacement transducer sends signal, then signal is passed to microprocessor 1, then microprocessor 1 carries out analyzing and processing after liquid level sensor 2 and wave-shaping filter 3 collect signal, analysis result is sent to intelligent digital device 4, registering instrument 5, signal far-transmission device I 6, signal far-transmission device II 7, intelligent light beam instrument 8 and warning device 9, thereby the oil level result of variations of transformer oil is supervised inspection constantly.
The utlity model has lower characteristics:
1, owing to having designed microprocessor 1, signal pickup device, signal display apparatus, signalling alarm equipment, signal far-transmission device and intelligent light beam instrument 8, transformer oil oil level variable signal turned to draw be digital signal, improve the processing accuracy of 1 pair of signal of microprocessor, therefore improved the true property in Huaihe River of the monitoring of transformer oil oil level.
2, signal acquisition process: an end of displacement transducer is installed on the end casing of oil conservater, and the other end is installed on the corrugated tube.The displacement that when corrugated tube moves, drives pointer movement and walk by sensor record.
3, data analysis process: single-chip microcomputer (core component) then sends to analysis result processing unit chip and LED light circuit chip from carrying out analyzing and processing after sensor collects signal.
4, oil level shows and the LED light course of work: digital display meter begins to show that oil level while LED light begins luminous according to instruction after receiving instruction.
5, Remote monitoring output: output 4-20mA, RS485 are convenient to Remote monitoring.
In a word, oil level demonstration aspect: numeral shows the oil level image, directly perceived, accuracy is high.Oil level indication aspect: adopt LED light, also can accurately observe oil level night and change.Oil level adjusting aspect: adopt infrared remote control technology, can regulate at a distance oil level.The security performance aspect: reliability is high.Adopt the dual fail-safe scheme. be pointer and digital display device and deposit.
Within being used for the oil level prison checking device technical field of transformer; Every include the oil level variable signal pick device that is connected with microprocessor 1, the oil level variable signal display device that is connected with microprocessor 1, the oil level variable signal warning device that is connected with microprocessor 1, the oil level variable signal remote transmission device that is connected with microprocessor 1, be connected with microprocessor 1 be used for the intelligent light beam instrument 8 that liquid level in proportion shows, microprocessor 1 is provided with the technology contents of instruction inputting device all in protection domain of the present utility model.
Claims (7)
1. an oil level that is used for transformer is supervised checking device; It is characterized in that: include microprocessor (1), the oil level variable signal pick device that is connected with microprocessor (1), the oil level variable signal display device that is connected with microprocessor (1), the oil level variable signal warning device that is connected with microprocessor (1), the oil level variable signal remote transmission device that is connected with microprocessor (1), be connected with microprocessor (1) be used for the intelligent light beam instrument (8) that liquid level in proportion shows, microprocessor (1) is provided with instruction inputting device.
2. the oil level for transformer according to claim 1 is supervised checking device; It is characterized in that: include liquid level sensor (2), wave-shaping filter (3), intelligent digital device (4), registering instrument (5), signal far-transmission device I (6), signal far-transmission device II (7), warning device (9) and telepilot (10), liquid level sensor (2) is set to be connected with microprocessor (1) by wave-shaping filter (3), registering instrument (5) is set to be connected with microprocessor (1) by intelligent digital device (4), signal far-transmission device I (6), signal far-transmission device II (7) be connected light beam instrument (8) and be set to respectively be connected with microprocessor (1), warning device (9) is set to be connected with microprocessor (1) by relay, and telepilot (10) is set to be connected with microprocessor (1) by radiowave.
3. the oil level for transformer according to claim 2 is supervised checking device; It is characterized in that: microprocessor (1) is set to single-chip microcomputer and is provided with the instruction input disc.
4. the oil level for transformer according to claim 2 is supervised checking device; It is characterized in that: liquid level sensor (2) is set to include displacement transducer and corrugated tube, and the contact of displacement transducer is set to connect with corrugated tube, and corrugated tube is arranged in the transformer oil.
5. the oil level for transformer according to claim 2 is supervised checking device; It is characterized in that: the digital display area of registering instrument (5) is set to the LED lamp and forms.
6. the oil level for transformer according to claim 2 is supervised checking device; It is characterized in that: signal far-transmission device I (6) is set to the 4-20mA signal far-transmission device.
7. the oil level for transformer according to claim 2 is supervised checking device; It is characterized in that: signal far-transmission device II (7) is set to the RS485 signal far-transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220167051 CN202648731U (en) | 2012-04-19 | 2012-04-19 | Oil level monitoring device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220167051 CN202648731U (en) | 2012-04-19 | 2012-04-19 | Oil level monitoring device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648731U true CN202648731U (en) | 2013-01-02 |
Family
ID=47417826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220167051 Expired - Fee Related CN202648731U (en) | 2012-04-19 | 2012-04-19 | Oil level monitoring device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500682A (en) * | 2013-09-28 | 2014-01-08 | 国家电网公司 | Transformer body gas relay with existing gas detection function |
| CN104913829A (en) * | 2015-07-07 | 2015-09-16 | 国网上海市电力公司 | Single crystal silicon piezoresistive type online oil level detector |
-
2012
- 2012-04-19 CN CN 201220167051 patent/CN202648731U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103500682A (en) * | 2013-09-28 | 2014-01-08 | 国家电网公司 | Transformer body gas relay with existing gas detection function |
| CN103500682B (en) * | 2013-09-28 | 2016-03-16 | 国家电网公司 | A kind of have the transformer body Buchholz relay depositing gas measuring ability |
| CN104913829A (en) * | 2015-07-07 | 2015-09-16 | 国网上海市电力公司 | Single crystal silicon piezoresistive type online oil level detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203673363U (en) | Intelligent liquid level control device | |
| CN103633618A (en) | Electrified on-line monitoring and protecting device for intelligent high-voltage vacuum circuit breaker | |
| CN204241144U (en) | Load moment of torsion and torsional test, control device | |
| CN204360908U (en) | With the transformer of status monitoring and fault alarm | |
| CN202648731U (en) | Oil level monitoring device for transformer | |
| CN202339383U (en) | Extra-high voltage insulator detector | |
| CN205691241U (en) | A kind of transformator operating temperature detection device | |
| CN104914296A (en) | Multifunctional clamp meter | |
| CN203310903U (en) | Transformer iron core earth current online monitor | |
| CN208238923U (en) | Intelligent vibration 4-20ma signal transmitting device | |
| CN202351257U (en) | Wall-hung type intelligent tachometer in case of reverse rotating speed | |
| CN205426138U (en) | Measuring device and system that coal seam displacement is subsided | |
| CN203176734U (en) | Flow detector with intelligent control system | |
| CN203908639U (en) | Liquid level online monitoring system for power transformer cooling liquid | |
| CN103604865A (en) | Passive wireless high-precision online humidity monitoring device for GIS (Gas Insulated Switchgear) | |
| CN203812059U (en) | A remote measurement and control terminal apparatus | |
| CN203405532U (en) | Cable line fault indicator having current measuring function | |
| CN203177987U (en) | Electrolytic bath temperature monitor | |
| CN103792929A (en) | Remote measurement and control terminal device | |
| CN204116488U (en) | A kind of detection formula electronic instrument automatically | |
| CN203899005U (en) | Remote monitoring system for fire-detecting pipe type fire extinguishing device | |
| CN203535009U (en) | Source-free wireless high-precision GIS humidity on-line monitoring device | |
| CN203534674U (en) | Laser liquid level measurement device | |
| CN203053495U (en) | Electric-quantity-outputting type glass rotameter | |
| CN201844863U (en) | Combined-type liquid level measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |