CN105737944A - Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer - Google Patents
Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer Download PDFInfo
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- CN105737944A CN105737944A CN201610110407.9A CN201610110407A CN105737944A CN 105737944 A CN105737944 A CN 105737944A CN 201610110407 A CN201610110407 A CN 201610110407A CN 105737944 A CN105737944 A CN 105737944A
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- main control
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- oil level
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
Abstract
The invention discloses a device and method for detecting the oil level of an oil storage cabinet of a corrugated pipe tube transformer. The device comprises an oil level monitoring unit, at least two main control units, an alarm display unit, a wireless communication unit, a background monitoring center, a temperature and humidity monitoring unit and a pressure and displacement monitoring unit. The oil level monitoring unit, the temperature and humidity monitoring unit, the pressure and displacement monitoring unit and the alarm display unit are all connected with the main control units. The main control units are connected with a short message platform through the wireless communication unit and the background monitoring center. The oil level monitoring unit is an ultrasonic detector. The ultrasonic detector comprises a transmitting end and a receiving end. The oil level situation in the oil storage cabinet of the transformer is monitored through the ultrasonic technology, the monitoring result is transmitted to transformer routing inspection personnel and related officials through the wireless communication technology, and the related reference basis is provided for regular overhaul and maintenance of the transformer.
Description
Technical field:
The present invention relates to power domain, particularly relate to a kind of bellows-type transformer oil storage oil level detecting device and method.
Background technology:
Oil conservater is the supporting critical components of oil immersed power transformer, is also the protectiveness device of power transformer indispensability, and the type of current transformer oil storage mainly has: capsule type oil storage cabinet, diaphragm type storage oil cabinet, corrugated pipe oil tank etc..But no matter for which kind of oil conservater, at present all without a set of ripe monitoring system, working condition in monitoring oil conservater in real time, as: oil level height, capsules break situation, humidity conditions, compensation volume etc..
When traditional installation for transformer meter oil meter goes wrong, fail to reflect real pasta in time, cause that staff does the judgement made mistake；Simultaneously when installation for transformer leakage of oil speed is slow, it is impossible to pinpoint the problems in time, being both needed to manually to be performed manually by inspection, reaction alarm velocity is slow, and personnel can not stop to detect by twenty four hours simultaneously, it is impossible to ensure the actual time safety of conservator.
Summary of the invention:
The technical problem to be solved is: overcome the deficiencies in the prior art, a kind of pasta situation adopted in ultrasonic technology monitoring transformer oil storage is provided, and utilizes wireless communication technology that monitoring result is passed to bellows-type transformer oil storage oil level detecting device and the method for transformator patrol officer and relevant director.
The technical scheme is that a kind of bellows-type transformer oil storage oil level detecting device, including pasta monitoring means, main control unit, alarm indicator unit, wireless communication unit, background monitoring center, temperature-humidity monitoring unit and pressure and displacement monitoring unit, described pasta monitoring means, temperature-humidity monitoring unit, pressure is all connected with main control unit with displacement monitoring unit and alarm indicator unit, described main control unit is connected with background monitoring center and SMS platform by wireless communication unit, described pasta monitoring means is supersonic detector, described main control unit is at least two, described supersonic detector includes transmitting terminal and receiving terminal.
Described main control unit is arranged in sealing waterproof case, and it is provided with power supply in sealing waterproof case, described display alarm unit includes buzzer and display, display is arranged on reset and controls on switch, and the control switch that resets is provided with button, described main control unit is connected by wire with the control switch that resets.
Described supersonic detector is bonding with oil conservater by couplant, and described wireless communication unit is GSM network, and described pressure and displacement detecting unit are displacement monitoring sensor and pressure transducer, and described main control unit includes message processing module and processor.
A kind of bellows-type transformer oil storage oil level detection method, its step is；Ultrasound wave launched by a, supersonic detector, tested sound bearing medium is propagated to liquid level, after liquid level reflects, reflection echo is received by receiving sensor, measure ultrasound wave from being transmitted into reception echo elapsed time t, and the detection time be transported to main control unit, pressure and displacement monitoring unit detection corrugated tube positional information be transferred to main control unit, described temperature-humidity monitoring unit is transferred to main control unit the environmental information detected；
B, main control unit according to formula S=vt/2 process, and are combined the temporal information received the environmental information received and are modified by formula v=331.4+0.60T, calculate the sensor distance L to liquid level, and then draw the height of liquid level；
C, main control unit are transferred to background monitoring center and SMS platform revised oil level information by wireless communication unit, and displayed by display, when the oil level information of oil level information Yu setting has difference, being reported to the police by alarm unit, personnel control switch by resetting and carry out data setting and reset operation.
Described main control unit is arranged in sealing waterproof case, and it is provided with power supply in sealing waterproof case, described display alarm unit includes buzzer and display, display is arranged on reset and controls on switch, and the control switch that resets is provided with button, described main control unit is connected by wire with the control switch that resets.
Described supersonic detector is bonding with oil conservater by couplant, and described wireless communication unit is GSM network, and described pressure and displacement detecting unit are displacement monitoring sensor and pressure transducer, and described main control unit includes message processing module and processor.
The invention has the beneficial effects as follows:
1, the present invention adopts the pasta situation in ultrasonic technology monitoring transformer oil storage, utilizes wireless communication technology that monitoring result is passed to transformator patrol officer and relevant director, and periodic inspection and maintenance for transformator provide coherent reference foundation.
2, the present invention is bonded as one by couplant bottom ultrasonic sensor and oil conservater, form a new ultrasonic sensor, it is called non-contact type ultrasonic sensor, thus penetration capacity is strong, particularly in in the opaque solid of light, ultrasound wave can penetrate the length of tens meters, encounters impurity or interface just has significant reflection, install simple and convenient.
3, the present invention adopts hermetic water-proof structure, and power pack adopts lightning Protection Design, and ultrasound probe adopts transmitting-receiving split, and when short distance is measured, transmitting-receiving split probe blind area is little.
4, wireless communication module of the present invention adopts GSM network, wirelessly collection in worksite to data pass on data center or director's mobile phone, realize remotely monitoring, save human and material resources, financial resources, pinpoint the problems in time, reduce property loss, can timing transmission data, data are uploaded in time, it is possible to building database, the operation conditions of long term monitoring transformer oil storage when breaking down.
5, the present invention is resetted to control to switch and is connected by wire with main control unit, is installed separately, convenient on-the-spot tour personnel, check the ruuning situation of field apparatus and control harvester data acquisition, scene is checked and operates reset, it is not necessary to arriving eminence on ladder, it is possible to be directly viewable and operate.
Accompanying drawing illustrates:
Fig. 1 is the electrical connection block diagram of transformer oil storage oil level and leakage detection device.
Fig. 2 is the structural representation of corrugated tube oil pillow oil level and leakage detection device.
Detailed description of the invention:
Embodiment: referring in Fig. 1 and Fig. 2, figure, 1-seals waterproof case, 5-expansion joint, 6-metal hose, 7-oil fuel tube.
A kind of bellows-type transformer oil storage oil level detecting device, including pasta monitoring means, main control unit, alarm indicator unit, wireless communication unit, background monitoring center, temperature-humidity monitoring unit and pressure and displacement monitoring unit, pasta monitoring means, temperature-humidity monitoring unit, pressure is all connected with main control unit with displacement monitoring unit and alarm indicator unit, main control unit is connected with background monitoring center and SMS platform by wireless communication unit, pasta monitoring means is supersonic detector, main control unit is at least two, supersonic detector includes transmitting terminal and receiving terminal.
Main control unit is arranged in sealing waterproof case 1, and it is provided with power supply in sealing waterproof case 1, display alarm unit includes buzzer and display, display is arranged on reset and controls on switch, and the control switch that resets is provided with button, main control unit is connected by wire with the control switch that resets.
Supersonic detector is bonding with oil conservater by couplant, and described wireless communication unit is GSM network, pressure and displacement detecting unit is displacement monitoring sensor and pressure transducer, and main control unit includes message processing module and processor.
A kind of bellows-type transformer oil storage oil level detection method, its step is；Ultrasound wave launched by a, supersonic detector, tested sound bearing medium is propagated to liquid level, after liquid level reflects, reflection echo is received by receiving sensor, measure ultrasound wave from being transmitted into reception echo elapsed time t, and the detection time be transported to main control unit, pressure and displacement monitoring unit detection corrugated tube positional information be transferred to main control unit, described temperature-humidity monitoring unit is transferred to main control unit the environmental information detected；
B, main control unit according to formula S=vt/2 process, and are combined the temporal information received the environmental information received and are modified by formula v=331.4+0.60T, calculate the sensor distance L to liquid level, and then draw the height of liquid level；
C, main control unit are transferred to background monitoring center and SMS platform revised oil level information by wireless communication unit, and displayed by display, when the oil level information of oil level information Yu setting has difference, being reported to the police by alarm unit, personnel control switch by resetting and carry out data setting and reset operation.
Main control unit is arranged in sealing waterproof case 1, and it is provided with power supply in sealing waterproof case 1, display alarm unit includes buzzer and display, display is arranged on reset and controls on switch, and the control switch that resets is provided with button, main control unit is connected by wire with the control switch that resets.
Supersonic detector is bonding with oil conservater by couplant, and wireless communication unit is GSM network, pressure and displacement detecting unit is displacement monitoring sensor and pressure transducer, and main control unit includes message processing module and processor.
During the detection of corrugated tube conservator, main control unit is arranged on conservator, supersonic detector storage is bonding with Oil Tank, temperature detecting unit is arranged in conservator, pressure and displacement detecting unit are arranged on the expansion joint of FlexbleJoint, and by hyperacoustic transmitting and reception time difference, change and the pressure condition of combining environmental and corrugated tube position compensate operation, obtaining oil level information, main control unit passes through leakage of oil information and oil level information to be wirelessly transmitted to SMS platform and background control center.
The above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all still falls within the scope of technical solution of the present invention.
Claims (8)
1. a bellows-type transformer oil storage oil level detecting device, including pasta monitoring means, main control unit, alarm indicator unit, wireless communication unit, background monitoring center, temperature-humidity monitoring unit and pressure and displacement monitoring unit, it is characterized in that: described pasta monitoring means, temperature-humidity monitoring unit, pressure is all connected with main control unit with displacement monitoring unit and alarm indicator unit, described main control unit is connected with background monitoring center and SMS platform by wireless communication unit, described pasta monitoring means is supersonic detector, described main control unit is at least two, described supersonic detector includes transmitting terminal and receiving terminal.
2. bellows-type transformer oil storage oil level detecting device according to claim 1, it is characterized in that: described main control unit is arranged in sealing waterproof case, and it is provided with power supply in sealing waterproof case, described display alarm unit includes buzzer and display, display is arranged on reset and controls on switch, and the control switch that resets is provided with button, described main control unit is connected by wire with the control switch that resets.
3. bellows-type transformer oil storage oil level detecting device according to claim 1, is characterized in that: described supersonic detector is bonding with oil conservater by couplant, and described wireless communication unit is GSM network.
4. bellows-type transformer oil storage oil level detecting device according to claim 1, is characterized in that: described pressure and displacement detecting unit are displacement monitoring sensor and pressure transducer, and described main control unit includes message processing module and processor.
5. a bellows-type transformer oil storage oil level detection method, its step is；Ultrasound wave launched by a, supersonic detector, tested sound bearing medium is propagated to liquid level, after liquid level reflects, reflection echo is received by receiving sensor, measure ultrasound wave from being transmitted into reception echo elapsed time t, and the detection time be transported to main control unit, pressure and displacement monitoring unit detection corrugated tube positional information be transferred to main control unit, described temperature-humidity monitoring unit is transferred to main control unit the environmental information detected；
B, main control unit according to formula S=vt/2 process, and are combined the temporal information received the environmental information received and are modified by formula v=331.4+0.60T, calculate the sensor distance L to liquid level, and then draw the height of liquid level；
C, main control unit are transferred to background monitoring center and SMS platform revised oil level information by wireless communication unit, and displayed by display, when the oil level information of oil level information Yu setting has difference, being reported to the police by alarm unit, personnel control switch by resetting and carry out data setting and reset operation.
6. bellows-type transformer oil storage oil level detection method according to claim 5, it is characterized in that: described main control unit is arranged in sealing waterproof case, and it is provided with power supply in sealing waterproof case, described display alarm unit includes buzzer and display, display is arranged on reset and controls on switch, and the control switch that resets is provided with button, described main control unit is connected by wire with the control switch that resets.
7. bellows-type transformer oil storage oil level detection method according to claim 5, is characterized in that: described supersonic detector is bonding with oil conservater by couplant, and described wireless communication unit is GSM network.
8. bellows-type transformer oil storage oil level detection method according to claim 5, is characterized in that: described pressure and displacement detecting unit are displacement monitoring sensor and pressure transducer, and described main control unit includes message processing module and processor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610110407.9A CN105737944A (en) | 2016-02-29 | 2016-02-29 | Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer |
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| CN201610110407.9A CN105737944A (en) | 2016-02-29 | 2016-02-29 | Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer |
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| CN105737944A true CN105737944A (en) | 2016-07-06 |
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| CN201610110407.9A Pending CN105737944A (en) | 2016-02-29 | 2016-02-29 | Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894265A (en) * | 2017-12-05 | 2018-04-10 | 国网福建省电力有限公司泉州供电公司 | A kind of transformer device for monitoring oil level |
| CN109297539A (en) * | 2018-11-01 | 2019-02-01 | 国家电网有限公司 | Portable transformer oil pillow oil level detection device |
| CN110501055A (en) * | 2018-05-16 | 2019-11-26 | 国网福建省电力有限公司漳州供电公司 | The measurement method of installation for transformer oil level based on supersonic sounding |
| CN110763309A (en) * | 2018-07-27 | 2020-02-07 | 国网福建省电力有限公司漳州供电公司 | Method for measuring oil level of transformer oil conservator based on double ultrasonic detection |
| CN111811615A (en) * | 2020-06-19 | 2020-10-23 | 上海电机学院 | Distribution transformer oil level monitoring system based on photoelectric detection |
| CN114018364A (en) * | 2021-09-27 | 2022-02-08 | 广西电网有限责任公司电力科学研究院 | Oil level detection temperature correction system and method for closed oil-filled power equipment |
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| CN203464976U (en) * | 2013-09-17 | 2014-03-05 | 辽宁中新自动控制集团有限公司 | Reflective ultrasonic detector of floatation liquid level |
| CN204045343U (en) * | 2014-07-31 | 2014-12-24 | 中国西电电气股份有限公司 | A kind of oil conservator used for transformer |
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Patent Citations (5)
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| US6155292A (en) * | 1998-03-12 | 2000-12-05 | Kurata; Sakuji | Method and a synthetic danger predicting and disaster preventing monitor system in which pipelines laid under the ground or through a structure are employed in their entirety for a synthetic danger predicting alarm sensor |
| CN203464976U (en) * | 2013-09-17 | 2014-03-05 | 辽宁中新自动控制集团有限公司 | Reflective ultrasonic detector of floatation liquid level |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107894265A (en) * | 2017-12-05 | 2018-04-10 | 国网福建省电力有限公司泉州供电公司 | A kind of transformer device for monitoring oil level |
| CN110501055A (en) * | 2018-05-16 | 2019-11-26 | 国网福建省电力有限公司漳州供电公司 | The measurement method of installation for transformer oil level based on supersonic sounding |
| CN110763309A (en) * | 2018-07-27 | 2020-02-07 | 国网福建省电力有限公司漳州供电公司 | Method for measuring oil level of transformer oil conservator based on double ultrasonic detection |
| CN109297539A (en) * | 2018-11-01 | 2019-02-01 | 国家电网有限公司 | Portable transformer oil pillow oil level detection device |
| CN109297539B (en) * | 2018-11-01 | 2024-03-01 | 国家电网有限公司 | Portable transformer oil pillow oil level detection device |
| CN111811615A (en) * | 2020-06-19 | 2020-10-23 | 上海电机学院 | Distribution transformer oil level monitoring system based on photoelectric detection |
| CN114018364A (en) * | 2021-09-27 | 2022-02-08 | 广西电网有限责任公司电力科学研究院 | Oil level detection temperature correction system and method for closed oil-filled power equipment |
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Application publication date: 20160706 |
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