CN108007532A - A kind of high pressure oil insulator arrangement oil level on-line monitoring system and method - Google Patents
A kind of high pressure oil insulator arrangement oil level on-line monitoring system and method Download PDFInfo
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- CN108007532A CN108007532A CN201711283469.0A CN201711283469A CN108007532A CN 108007532 A CN108007532 A CN 108007532A CN 201711283469 A CN201711283469 A CN 201711283469A CN 108007532 A CN108007532 A CN 108007532A
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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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
- G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
- G01F23/686—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means using opto-electrically actuated indicating means
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of high pressure oil insulator arrangement oil level on-line monitoring system, including：Collecting unit is monitored, for can be with the circuit board of flexible bending, inside the oil level indicator of insulating oil equipment, for monitoring the oil condition data of collection insulating oil in real time, and by oil condition data sending to wireless receiving and analytic unit；Oil condition data and predetermined threshold value for receiving the oil condition data, are compared acquisition comparative result, and the oil condition data and comparative result are sent to backstage monitoring unit by wireless receiving and analytic unit；Backstage monitoring unit, for being managed to oil condition data, and judges whether alert according to the comparative result.It is convenient, reliable and stable that the method for the present invention has the characteristics that, it ensure that the accuracy of oil condition monitoring, and fault alarm can be carried out to abnormal phenomenon according to comparative result, reduce live O＆M cost, facility is provided for field operator, ensures the safe and reliable operation of power grid.
Description
Technical field
The present invention relates to high voltage equipment insulation technical field, and more particularly, to a kind of high pressure oil insulator arrangement oil
Position on-line monitoring system and method.
Background technology
High voltage electric equipment is the key for ensureing project of transmitting and converting electricity safe and reliable operation, is directed to electrically setting for interior insulation
The standby overwhelming majority is oil-insulation equipment, and insulating oil is located at the inside of high voltage electric equipment, mainly plays insulating effect.High pressure oil is exhausted
Edge equipment will cause insulating oil to discharge acetylene (C2H2), hydrogen (H2), an oxidation once internal discharge or overheating fault occurs
The oil dissolved gas such as carbon (CO) so that apparatus insulated oil expansion, oil level rise.Meanwhile when the appearance of high pressure oil insulator arrangement is close
When sealing bad error, equipment oil leakage will be caused, so that equipment oil level declines.High pressure oil insulator arrangement oil level is too high or too low
It all will largely influence the safe and reliable operation of equipment.In recent years, high pressure oil insulator arrangement is due to internal discharge or overheat
Caused oil level abnormal accident takes place frequently, and equipment rupture is caused when serious or even is exploded, and drastically influence the safe and reliable fortune of power grid
OK.
At present, the oil level inspection of high pressure oil insulator arrangement is one of live high-tension apparatus inspection project, and inspection method is existing
Field operation maintenance personnel visually observes the oil level indicator on high pressure oil insulator arrangement by telescope, and oil level indicator is observed equipped with oil level
Window, judges equipment oil level situation by pointer in observation window.The inspection test period is different according to voltage class and exists certain
Difference, existing high-tension apparatus maintenance procedure regulation, polling period requirement：330kV and above equipment are 2 weeks；220kV equipment is
1 month；110kV/66kV is 3 months.As it can be seen that the artificial oil level polling period of high pressure oil insulator arrangement is longer under normal conditions,
And equipment oil level expansion or oil level caused by internal flaw is too low, from the incipient stage to final equipment failure state often
Even completed at several days in several hours, therefore existing inspection project can not discovering device oil level in time in defined polling period
It is abnormal, avoid the generation of failure.It is a kind of effective solution method to shorten polling period, but this method will be so that live O＆M
The working strength and workload of personnel suddenly increases, while can also greatly improve the equipment operation maintenance cost of O＆M unit.
Therefore, to avoid similar accident, while live operation maintenance personnel workload is reduced so that live O＆M is more just
Victory, is badly in need of carrying out the research of high pressure oil insulator arrangement oil level on-line monitoring system, the oil level of high pressure oil insulator arrangement is carried out in real time
Accurate measurements, and fault alarm is carried out to abnormal oil level phenomenon, ensure the safe and reliable operation of power grid.
The content of the invention
It is how accurate in real time to solve the present invention provides a kind of high pressure oil insulator arrangement oil level on-line monitoring system and method
Really the problem of monitoring oil-insulation equipment oil level.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of high pressure oil insulator arrangement oil level exists
Line monitoring system, the system comprises：Collecting unit, wireless receiving and analytic unit and monitoring unit are monitored,
The monitoring collecting unit, inside the oil level indicator of insulating oil equipment, can be used with the circuit board of flexible bending
In the oil condition data of real-time monitoring collection insulating oil, and by the oil condition data sending to wireless receiving and analyze single
Member；Wherein, the monitoring collecting unit includes：
Infrared receiving module, for receiving the infrared ray of infrared transmission module transmitting；
Acquisition module, for gathering the infrared data of infrared receiving module reception, and by the infrared line number of the reception
According to transmission to main control module；
Main control module, for analyzing the infrared data of the reception, determines oil condition data, and by described in
Oil condition data are sent to wireless receiving and analytic unit by wireless communication module；
Battery module, for providing power supply for monitoring collecting unit；
Wireless communication module, for realizing wireless communication with wireless receiving and analytic unit；
The wireless receiving and analytic unit, for receiving the oil condition data, by the oil condition data and
Predetermined threshold value is compared acquisition comparative result, and the oil condition data and comparative result are sent to backstage and monitor list
Member；
The backstage monitoring unit, is for being managed to oil condition data, and according to comparative result judgement
No alert.
Preferably, wherein the communication mode between the wireless receiving and analytic unit and backstage monitoring unit is cable modem
Letter or wireless communication.
Preferably, wherein the wireless receiving and analytic unit are mounted remotely from the outside of high-pressure side.
Preferably, wherein the wireless receiving and analytic unit are installed on the base of high pressure oil insulator arrangement.
Preferably, wherein the monitoring collecting unit is bonded on the shielding case inner wall of oil level indicator.
Preferably, wherein the infrared transmission module and infrared receiving module are matched somebody with somebody in the horizontal direction is pointed to oil level indicator
The both sides of bellows.
Preferably, wherein the wireless receiving and analytic unit, the oil condition data and predetermined threshold value are compared
Compared with acquisition comparative result, and the oil condition data and comparative result are sent to backstage monitoring unit, including：
Calculate the difference of the oil condition data and predetermined threshold value, and by the oil condition data and difference send to
Backstage monitoring unit.
Preferably, wherein the backstage monitoring unit, judges whether alert according to the comparative result, bag
Include：
If the difference is less than the first alarm threshold value, backstage monitoring unit not alert；
If the difference is more than or equal to the first alarm threshold value and is less than the second alarm threshold value, backstage monitoring unit passes through aobvious
Show that module ejects warning message；
If the difference is more than the second alarm threshold value, backstage monitoring unit ejects warning message by display module, and
Make a sound warning message.
According to another aspect of the present invention, there is provided a kind of high pressure oil insulator arrangement oil level on-line monitoring method, it is described
Method includes：
Step 1, using the oil condition data for monitoring collecting unit and monitoring in real time collection insulating oil, and by the oil level shape
State data sending to wireless receiving and analytic unit, including：
Battery module provides power supply for monitoring collecting unit；
Infrared receiving module receives the infrared ray of infrared transmission module transmitting；
The infrared data that acquisition module collection infrared receiving module receives, and the infrared data of the reception is sent
To main control module；
Main control module analyzes the infrared data of the reception, determines oil condition data, and by the oil level
Status data is sent to wireless receiving and analytic unit by wireless communication module；
Wireless communication is realized using radio communication mold and wireless receiving and analytic unit；
Step 2, wireless receiving and analytic unit receive the oil condition data, by the oil condition data and preset
Threshold value is compared acquisition comparative result, and the oil condition data and comparative result are sent to backstage monitoring unit；
Step 3, oil condition data are managed using backstage monitoring unit, and are according to comparative result judgement
No alert.
Preferably, wherein the communication mode between the wireless receiving and analytic unit and backstage monitoring unit is cable modem
Letter or wireless communication.
Preferably, wherein the wireless receiving and analytic unit are mounted remotely from the outside of high-pressure side.
Preferably, wherein the wireless receiving and analytic unit are installed on the base of high pressure oil insulator arrangement.
Preferably, wherein the monitoring collecting unit is bonded on the shielding case inner wall of oil level indicator.
Preferably, wherein the infrared transmission module and infrared receiving module are matched somebody with somebody in the horizontal direction is pointed to oil level indicator
The both sides of bellows.
Preferably, wherein wireless receiving and analytic unit, the oil condition data and predetermined threshold value are compared and obtained
Comparative result is taken, and the oil condition data and comparative result are sent to backstage monitoring unit, including：
Calculate the difference of the oil condition data and predetermined threshold value, and by the oil condition data and difference send to
Backstage monitoring unit.
Preferably, wherein the backstage monitoring unit judges whether alert according to the comparative result, including：
If the difference is less than the first alarm threshold value, backstage monitoring unit not alert；
If the difference is more than or equal to the first alarm threshold value and is less than the second alarm threshold value, backstage monitoring unit passes through aobvious
Show that module ejects warning message；
If the difference is more than the second alarm threshold value, backstage monitoring unit ejects warning message by display module, and
Make a sound warning message.
The present invention provides a kind of high pressure oil insulator arrangement oil level on-line monitoring system and method, and monitoring collecting unit is set
Being calculated as can be with the circuit board of flexible bending, inside the oil level indicator of insulating oil equipment, the oil level of the insulating oil of monitoring collection in real time
Status data, and by the oil condition data sending to wireless receiving and analytic unit；Wireless receiving and analytic unit and institute
State monitoring collecting unit and carry out wireless communication；Backstage monitoring unit is managed oil condition data, and according to the comparison
As a result alert is judged whether.The solution of the present invention is not changing the original shielding case structure of high pressure oil insulator arrangement and not
On the premise of influencing areas of high potential electric field, use is small, can arbitrarily curved flexible PCB be monitored, by infrared hair
Penetrate module and infrared receiving module and be spatially installed on bellows both sides, launch by the way that whether infrared receiving module receives offside
The infrared ray situation of module transmitting analyzes bellows position, and convenient, reliable and stabilization that this method has the characteristics that, ensure that oil
The accuracy of position status monitoring, and fault alarm can be carried out to abnormal phenomenon according to comparative result, live O＆M cost is reduced,
Facility is provided for field operator, ensures the safe and reliable operation of power grid.
Brief description of the drawings
By reference to the following drawings, the illustrative embodiments of the present invention can be more fully understood by：
Fig. 1 is the structure diagram of existing high pressure oil insulator arrangement；
Fig. 2 is the structure diagram of the oil level indicator of existing high pressure oil insulator arrangement；
Fig. 3 is the structural representation according to the high pressure oil insulator arrangement oil level on-line monitoring system 300 of embodiment of the present invention
Figure；
Fig. 4 is the schematic diagram according to the arrangement of the monitoring collecting unit of embodiment of the present invention；
Fig. 5 is the structure diagram according to the monitoring collecting unit of embodiment of the present invention；
Fig. 6 is the schematic diagram 1 to be worked according to the monitoring collecting unit of embodiment of the present invention；
Fig. 7 is the schematic diagram 2 to be worked according to the monitoring collecting unit of embodiment of the present invention；
Fig. 8 is the schematic diagram according to the high pressure oil insulator arrangement oil level on-line monitoring system of embodiment of the present invention；And
Fig. 9 is the flow chart according to the high pressure oil insulator arrangement oil level on-line monitoring method 900 of embodiment of the present invention.
Embodiment
The illustrative embodiments of the present invention are introduced referring now to attached drawing, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, there is provided these embodiments are to disclose at large and fully
The present invention, and fully pass on the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand implication.Further it will be understood that the term limited with usually used dictionary, be appreciated that and its
The linguistic context of association area has consistent implication, and is not construed as Utopian or overly formal meaning.
Fig. 1 is the structure diagram of existing high pressure oil insulator arrangement.As shown in Figure 1, existing high pressure oil insulator arrangement
Structure include：Oil level glass, oil level indicator, wire connection terminal, apparatus body, cluster parachute and plant bottom case.
Fig. 2 is the structure diagram of the oil level indicator of existing high pressure oil insulator arrangement.As shown in Fig. 2, oil level indicator structure bag
Include：Bellows, bellows connecting rod, shielding case.Oil level glass is on shielding case, for observing internal bellows position.Ripple
Pipe connecting rod is connected with pasta inside apparatus body, and when oil level rises or falls, oil level promotes bellows connecting rod up or down
Mobile, bellows connecting rod drives bellows to move up and down.Final oil level is presented on oil level glass by bellows, oil level observation
Portion's correspondence markings have maximum oil level (" MAX ") and minimum oil level (" MIN ") outside window.Shielding case is installed on outside bellows, mainly
Play the role of uniform electric field, rain-proof dust-proof.
Since when being monitored to high pressure oil insulator arrangement oil level, the quantity of state of monitoring is the oil level of the oil-insulation equipment
The upper surface location of the internal bellows of meter, since it is located at areas of high potential, to avoid monitoring collecting unit to areas of high potential
The influence of electric field, monitoring collecting unit should be installed in oil level indicator shielding case, oil-insulation equipment oil level of the invention on-line monitoring
System mainly faces following technical problem：
Oil level indicator shielding case inner space is limited (1cm~2cm is generally only between bellows and shielding case), and internal wave
Line pipe, it is necessary on the premise of not changing original shielding case structure and not influencing areas of high potential electric field, is realized for movable part
Monitor the arrangement installation and oil level monitoring of collecting unit；
Since monitoring collecting unit is installed in oil level indicator shielding case, signal can not be realized by the way of Conventional wireline
The power supply of communication and monitoring device supply problem.
Fig. 3 is the structural representation according to the high pressure oil insulator arrangement oil level on-line monitoring system 300 of embodiment of the present invention
Figure.The present invention provides a kind of high pressure oil insulator arrangement oil level on-line monitoring system and method, and monitoring collecting unit is designed as
Can be with the circuit board of flexible bending, inside the oil level indicator of insulating oil equipment, the oil condition of the insulating oil of monitoring collection in real time
Data, and by the oil condition data sending to wireless receiving and analytic unit；Wireless receiving and analytic unit and the prison
Survey collecting unit and carry out wireless communication；Backstage monitoring unit is managed oil condition data, and according to the comparative result
Judge whether alert.The solution of the present invention is not changing the original shielding case structure of high pressure oil insulator arrangement and is not influencing
On the premise of areas of high potential electric field, use is small, can arbitrarily curved flexible PCB be monitored, by infrared emission mould
Block and infrared receiving module are spatially installed on bellows both sides, and offside transmitting module whether is received by infrared receiving module
The infrared ray situation of transmitting analyzes bellows position, and it is convenient, reliable and stablize that this method has the characteristics that, ensure that oil level shape
The accuracy of state monitoring, and fault alarm can be carried out to abnormal phenomenon according to comparative result, live O＆M cost is reduced, is existing
Field operations staff provide facility, ensures the safe and reliable operation of power grid.As shown in figure 3, the high pressure oil of embodiment of the present invention is exhausted
Edge equipment oil level on-line monitoring system 300 includes：Monitor collecting unit 301, wireless receiving and analytic unit 302 and monitoring unit
303。
Preferably, the monitoring collecting unit 301, being can be with the circuit board of flexible bending, positioned at the oil of insulating oil equipment
Position meter is internal, for monitoring the oil condition data of collection insulating oil in real time, and by the oil condition data sending to wireless
Reception and analytic unit 302；Wherein, the monitoring collecting unit 301 includes：
Infrared receiving module 3011, for receiving the infrared ray of the transmitting of infrared transmission module 3012；
Acquisition module 3013, for gathering the infrared data of the reception of infrared receiving module 3011, and by the reception
Infrared data is sent to main control module 3014；
Main control module 3014, for analyzing the infrared data of the reception, determines oil condition data, and will
The oil condition data are sent to wireless receiving and analytic unit 302 by wireless communication module 3015；
Battery module 3016, for providing power supply for monitoring collecting unit 301；
Wireless communication module 3015, for realizing wireless communication with wireless receiving and analytic unit 302.
Preferably, wherein the monitoring collecting unit is bonded on the shielding case inner wall of oil level indicator.
Preferably, wherein the infrared transmission module and infrared receiving module are matched somebody with somebody in the horizontal direction is pointed to oil level indicator
The both sides of bellows.
Fig. 4 is the schematic diagram according to the arrangement of the monitoring collecting unit of embodiment of the present invention.As shown in figure 4,
In embodiments of the present invention, monitoring collecting unit core component is flexible PCB 9, is installed on the oil of high pressure oil insulator arrangement
In the meter of position, existing equipment oil level indicator is installed on apparatus body 4, is seen by bellows connecting rod 5, bellows 6, shielding case 7 and oil level
Window 8 is examined to form.The flexible PCB 9 realizes the monitoring of oil condition data and the oil condition data is passed through wireless communication
Number send to wireless receiving and analytic unit.Wherein, oil level indicator operation principle is：Bellows connecting rod 5 is installed on apparatus body 4
On, the inner cavity of the bellows connecting rod 5 is communicated with the inner cavity of apparatus body 4, and bellows 6 is total to inner cavity with the bellows connecting rod 5,
When oil level expansion occurs for the inside of apparatus body 4, its pressure can reach 6 inner cavity of bellows, the ripple by 5 inner cavity of ripple tube rod
Line pipe 6 has retractility, and when oil level rises, and pressure increases, bellows 6 can expand, and when the oil level is lowered, bellows 6 is shunk.
Bellows position instruction is observed by oil level glass 8, to judge oil level situation.Bellows connecting rod 5 and the outside of bellows 6 are equipped with
Shielding case 7, plays a part of rain-proof dust-proof, shielding and presses, oil level glass 8 is provided with the shielding case 7, for outside
Internal 6 position of bellows of observation, and then judge oil level situation.
In embodiments of the present invention, flexible PCB 9 and monitoring collecting unit are bonded on 7 inner wall of shielding case, this
Kind arrangement does not interfere with original oil level indicator normal work, while does not change original shielding case structure yet and do not influence high potential
Region electric field.
Fig. 5 is the structure diagram according to the monitoring collecting unit of embodiment of the present invention.As shown in figure 5, monitoring collection
Unit, that is, flexible PCB 9 is equipped with infrared transmission module 10, infrared receiving module 11, acquisition module 12, main control module 13, nothing
Line communication module 14 and high-energy battery module 16, wherein wireless communication module include wireless signal transmitter 15.Flexible PCB 9
Bending is after installation is complete inside the shielding case 7, and on locus, infrared transmission module 10 and the pairing of infrared receiving module 11 are in
The both sides of the bellows 6, when monitoring collecting unit 1 is run, infrared transmission module 10 can horizontal direction offside transmitting infrared ray 17.
Fig. 6 is the schematic diagram 1 to be worked according to the monitoring collecting unit of embodiment of the present invention.As shown in fig. 6, by offside water
The infrared receiving module 11 of flat mounted in pairing mode is received, and topmost infrared transceiver module 10 corresponds to oil level MAX positions, bottommost
Infrared transceiver module 10 corresponds to oil level MIN positions.Oil level changes, and bellows 6 lower can be moved in vertical direction, so as to hide
Gear or the transmitting route of infrared ray 17 for not blocking infrared transmission module 10.
Fig. 7 is the schematic diagram 2 to be worked according to the monitoring collecting unit of embodiment of the present invention.As shown in fig. 7, can be by not
Judge bellows position with the state for whether receiving infrared ray 17 of position infrared receiving module 11, and then oil level is supervised
The purpose of survey.Acquisition module 12 is used for the state for gathering each infrared receiving module 11, using main control module 13 to acquisition module 12
The data of collection are analyzed and processed, and are realized by wireless communication module 14 and wireless signal transmitter 15 and interacted with exterior
Communication, spatially, wireless signal transmitter 15 is in 8 inner wall of oil level glass, easy to the transmission of wireless signal.High-energy battery mould
Block 16 is used to provide power supply reliably and with long-term to the flexible PCB 9.Therefore, the present invention can not change original shielding case structure
And on the premise of not influencing areas of high potential electric field, realize that high pressure oil insulator arrangement oil level is accurately monitored on-line in real time.
Preferably, the wireless receiving and analytic unit 302, and the monitoring collecting unit 301 carry out wireless communication, use
In receiving the oil condition data, the oil condition data and predetermined threshold value are compared acquisition comparative result, and will
The oil condition data and comparative result are sent to backstage monitoring unit 303.Preferably, wherein the wireless receiving and analysis
Communication mode between unit and backstage monitoring unit is wire communication or wireless communication.
Preferably, wherein the wireless receiving and analytic unit are mounted remotely from the outside of high-pressure side.
Preferably, wherein the wireless receiving and analytic unit are installed on the base of high pressure oil insulator arrangement.
Preferably, wherein the wireless receiving and analytic unit, the oil condition data and predetermined threshold value are compared
Compared with acquisition comparative result, and the oil condition data and comparative result are sent to backstage monitoring unit, including：
Calculate the difference of the oil condition data and predetermined threshold value, and by the oil condition data and difference send to
Backstage monitoring unit.
Preferably, the backstage monitoring unit 303, for being managed to oil condition data, and according to the comparison
As a result alert is judged whether.
Preferably, wherein the backstage monitoring unit, judges whether alert according to the comparative result, bag
Include：
If the difference is less than the first alarm threshold value, backstage monitoring unit not alert；
If the difference is more than or equal to the first alarm threshold value and is less than the second alarm threshold value, backstage monitoring unit passes through aobvious
Show that module ejects warning message；
If the difference is more than the second alarm threshold value, backstage monitoring unit ejects warning message by display module, and
Make a sound warning message.
The embodiment illustrated the present invention in detail below
Fig. 8 is the schematic diagram according to the high pressure oil insulator arrangement oil level on-line monitoring system of embodiment of the present invention.Such as Fig. 8
Shown, the high pressure oil insulator arrangement oil level on-line monitoring system of embodiment of the present invention includes：Monitoring collecting unit 1, wirelessly connect
Receipts and analytic unit 2 and backstage monitoring unit 3, wherein monitoring collecting unit 1 is the core component of the system, by monitoring collection list
Member 1 realizes the monitoring and the communication of exterior wireless interaction of oil level.Oil condition data are received by wireless receiving and analytic unit 2,
Oil condition data and predetermined threshold value are compared acquisition comparative result, and by oil condition data and comparative result send to
Backstage monitoring unit.Oil condition data are managed by backstage monitoring unit 3, and are judged whether according to the comparative result
Alert.The arrangement for monitoring collecting unit is as shown in Figure 4；The structure for monitoring collecting unit is as shown in Figure 5.
The monitoring collecting unit 1 that embodiment of the present invention provides includes the original oil level indicator structure of high pressure oil insulator arrangement and soft
Property circuit board 9, wherein original oil level indicator structure mainly includes：Apparatus body 4, bellows connecting rod 5, bellows 6, shielding case 7, oil
Position observation window 8.When 4 oil level of apparatus body rises or falls, meeting connecting rod drives 6 expansion or shrinkage of bellows, passes through bellows 6
The spatial position change of 6 upper surface of bellows caused by expansion or shrinkage come reflect oil level change, by being arranged at shielding case 7
On oil level glass 8 achieve the purpose that external observation oil level.
The oil level monitoring function of embodiment of the present invention is completed by flexible PCB 9.Using with it is small, can be any
Curved flexible PCB is monitored.On the other hand, by monitoring, collection, analysis and communication function Integration Design, will can supervise
Device is surveyed to minimize as far as possible.Reach on the premise of original oil level indicator structure and areas of high potential field strength distribution is not influenced,
The purpose of oil-insulation equipment oil condition monitoring and early warning in real time.The flexible PCB 9 of embodiment of the present invention includes：Infrared hair
Penetrate module 10, infrared receiving module 11, acquisition module 12, main control module 13, wireless communication module 14, wireless signal transmitter
15th, high-energy battery module 16.Flexible PCB 9 is installed on 6 inner wall of shielding case, flexible PCB 9 have it is small, can be free
The characteristics of bending, therefore the mounting means does not interfere with original oil level indicator structure and areas of high potential field strength distribution, will not give height
The safe and reliable operation of pressure oil insulator arrangement brings threat.
The both sides of infrared transmission module and infrared receiving module in the horizontal direction with the bellows for being pointed to oil level indicator, it is red
Outer transmitting module and infrared receiving module are spatially installed on bellows both sides, and whether offside is received by infrared receiving module
The infrared ray situation of transmitting module transmitting analyzes bellows position, and it is convenient, reliable and stablize, guarantee that this method has the characteristics that
The accuracy of oil condition monitoring.
When oil level is normal, due to the stop of non-ripple pipe 6, infrared receiving module 11 can receive pair at MAX positions
The infrared ray 17 of infrared transmission module 10 at the MAX positions of side.When oil level is increased to MAX positions, oil level indicator inner corrugated pipe can be swollen
It is swollen, and then block the infrared ray that infrared receiver chip at MAX positions receives offside transmitting, judge that oil level has reached MAX with this
Position.Minimum oil temperature monitoring.When oil level is normal, since there are the stop of bellows, infrared receiving module 11 should at MIN positions
The infrared ray 17 of infrared transmission module 10 at offside MIN positions can not be received.When oil level drops to MIN positions, MIN positions
" barrier " between infrared receiving/transmission chip has been not present, and MIN positions infrared receiving module 11 can receive offside and match MIN
Put the infrared ray 17 that infrared transmission module 10 is launched, judge that oil level has dropped to MIN positions with this.Acquisition module 12 is real-time
The reception infrared state of monitoring each pair of infrared receiving module 11 of collection, is stored by main control module 13, analyzes current oil level
State, and oil condition is externally transmitted by wireless communication module 14 and wireless signal transmitter 15.By wireless receiving
And analytic unit 2 receives the wireless signal of oil condition, and backstage monitoring unit is uploaded to by wired or wireless communication in station
3, and then realize the display of equipment oil level monitoring information, inquire about, browse and fault alarm.
Fig. 9 is the flow chart according to the high pressure oil insulator arrangement oil level on-line monitoring method 900 of embodiment of the present invention.Such as
Shown in Fig. 9, embodiment of the present invention high pressure oil insulator arrangement oil level on-line monitoring method 900 is since step 901 place, in step
901 monitor the oil condition data of collection insulating oil using collecting unit is monitored in real time, and by the oil condition data sending
To wireless receiving and analytic unit.Wherein, the step 901 monitors the oil level shape of collection insulating oil with monitoring collecting unit in real time
State data, and by the oil condition data sending to wireless receiving and analytic unit, including：
Battery module provides power supply for monitoring collecting unit；
Infrared receiving module receives the infrared ray of infrared transmission module transmitting；
The infrared data that acquisition module collection infrared receiving module receives, and the infrared data of the reception is sent
To main control module；
Main control module analyzes the infrared data of the reception, determines oil condition data, and by the oil level
Status data is sent to wireless receiving and analytic unit by wireless communication module；
Wireless communication is realized using wireless communication module and wireless receiving and analytic unit.
Preferably, wherein the monitoring collecting unit is bonded on the shielding case inner wall of oil level indicator.
Preferably, wherein the infrared transmission module and infrared receiving module are matched somebody with somebody in the horizontal direction is pointed to oil level indicator
The both sides of bellows.
Preferably, the oil condition data are received in step 902 wireless receiving and analytic unit, by the oil condition
Data and predetermined threshold value are compared acquisition comparative result, and the oil condition data and comparative result are sent to backstage and are supervised
Survey unit.
Preferably, wherein the wireless receiving and analytic unit are mounted remotely from the outside of high-pressure side.
Preferably, wherein the wireless receiving and analytic unit are installed on the base of high pressure oil insulator arrangement.
Preferably, wherein the communication mode between the wireless receiving and analytic unit and backstage monitoring unit is cable modem
Letter or wireless communication.
Preferably, wherein wireless receiving and analytic unit, the oil condition data and predetermined threshold value are compared and obtained
Comparative result is taken, and the oil condition data and comparative result are sent to backstage monitoring unit, including：
Calculate the difference of the oil condition data and predetermined threshold value, and by the oil condition data and difference send to
Backstage monitoring unit.
Preferably, oil condition data are managed using backstage monitoring unit in step 903, and according to the comparison
As a result alert is judged whether.
Preferably, wherein the backstage monitoring unit judges whether alert according to the comparative result, including：
If the difference is less than the first alarm threshold value, backstage monitoring unit not alert；
If the difference is more than or equal to the first alarm threshold value and is less than the second alarm threshold value, backstage monitoring unit passes through aobvious
Show that module ejects warning message；
If the difference is more than the second alarm threshold value, backstage monitoring unit ejects warning message by display module, and
Make a sound warning message.
The high pressure oil insulator arrangement oil level on-line monitoring method 900 of the embodiment of the present invention and another implementation of the present invention
The high pressure oil insulator arrangement oil level on-line monitoring system 300 of example is corresponding, and details are not described herein.
By reference to a small amount of embodiment, the invention has been described.However, it is known in those skilled in the art, as
What subsidiary Patent right requirement was limited, except the present invention other embodiments disclosed above equally fall the present invention's
In the range of.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
Release, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [system, component etc.] " are all opened ground
At least one example being construed in the system, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurately order, unless explicitly stated otherwise.
Claims (16)
- A kind of 1. high pressure oil insulator arrangement oil level on-line monitoring system, it is characterised in that the system comprises：Monitoring collection is single Member, wireless receiving and analytic unit and monitoring unit,The monitoring collecting unit, being can be with the circuit board of flexible bending, inside the oil level indicator of insulating oil equipment, for reality When monitoring collection insulating oil oil condition data, and by the oil condition data sending to wireless receiving and analytic unit； Wherein, the monitoring collecting unit includes：Infrared receiving module, for receiving the infrared ray of infrared transmission module transmitting；Acquisition module, sends out for gathering the infrared data of infrared receiving module reception, and by the infrared data of the reception Send to main control module；Main control module, for analyzing the infrared data of the reception, determines oil condition data, and by the oil level Status data is sent to wireless receiving and analytic unit by wireless communication module；Battery module, for providing power supply for monitoring collecting unit；Wireless communication module, for realizing wireless communication with wireless receiving and analytic unit；The wireless receiving and analytic unit, for receiving the oil condition data, by the oil condition data and preset Threshold value is compared acquisition comparative result, and the oil condition data and comparative result are sent to backstage monitoring unit；The backstage monitoring unit, for being managed oil condition data, and judges whether to send out according to the comparative result Go out warning message.
- 2. system according to claim 1, it is characterised in that the wireless receiving and analytic unit and backstage monitoring unit Between communication mode be wire communication or wireless communication.
- 3. system according to claim 1, it is characterised in that the wireless receiving and analytic unit are mounted remotely from high pressure The outside at end.
- 4. system according to claim 3, it is characterised in that it is exhausted that the wireless receiving and analytic unit are installed on high pressure oil The base of edge equipment.
- 5. system according to claim 1, it is characterised in that the monitoring collecting unit is bonded in the shielding case of oil level indicator On inner wall.
- 6. system according to claim 1, it is characterised in that the infrared transmission module and infrared receiving module are in level Both sides with the bellows for being pointed to oil level indicator on direction.
- 7. system according to claim 1, it is characterised in that the wireless receiving and analytic unit, by the oil level shape State data and predetermined threshold value are compared acquisition comparative result, and the oil condition data and comparative result are sent to backstage Monitoring unit, including：The difference of the oil condition data and predetermined threshold value is calculated, and the oil condition data and difference are sent to backstage Monitoring unit.
- 8. system according to claim 7, it is characterised in that the backstage monitoring unit, sentences according to the comparative result It is disconnected whether alert, including：If the difference is less than the first alarm threshold value, backstage monitoring unit not alert；If the difference is more than or equal to the first alarm threshold value and is less than the second alarm threshold value, backstage monitoring unit is by showing mould Block ejects warning message；If the difference is more than the second alarm threshold value, backstage monitoring unit ejects warning message by display module, and sends Audible alarm information.
- 9. a kind of method monitored on-line using the system as claimed in claim 1 to high pressure oil insulator arrangement oil level, its It is characterized in that, the described method includes：Step 1, using the oil condition data for monitoring collecting unit and monitoring in real time collection insulating oil, and by the oil condition number According to transmission to wireless receiving and analytic unit, including：Battery module provides power supply for monitoring collecting unit；Infrared receiving module receives the infrared ray of infrared transmission module transmitting；The infrared data that acquisition module collection infrared receiving module receives, and the infrared data of the reception is sent to master Control module；Main control module analyzes the infrared data of the reception, determines oil condition data, and by the oil condition Data are sent to wireless receiving and analytic unit by wireless communication module；Wireless communication is realized using wireless communication module wireless receiving and analytic unit；Step 2, wireless receiving and analytic unit receive the oil condition data, by the oil condition data and predetermined threshold value Acquisition comparative result is compared, and the oil condition data and comparative result are sent to backstage monitoring unit；Step 3, oil condition data are managed using backstage monitoring unit, and judge whether to send out according to the comparative result Go out warning message.
- 10. according to the method described in claim 9, it is characterized in that, the wireless receiving and analytic unit and backstage monitor list Communication mode between member is wire communication or wireless communication.
- 11. according to the method described in claim 9, it is characterized in that, the wireless receiving and analytic unit are mounted remotely from height The outside of pressure side.
- 12. according to the method for claim 11, it is characterised in that the wireless receiving and analytic unit are installed on high pressure oil The base of insulator arrangement.
- 13. according to the method described in claim 9, it is characterized in that, the monitoring collecting unit is bonded in the shielding of oil level indicator On cover inner wall.
- 14. according to the method described in claim 9, it is characterized in that, the infrared transmission module and infrared receiving module are in water Square upwards be pointed to oil level indicator bellows both sides.
- 15. according to the method described in claim 9, it is characterized in that, wireless receiving and analytic unit, by the oil condition number Acquisition comparative result is compared according to predetermined threshold value, and the oil condition data and comparative result are sent to backstage and are monitored Unit, including：The difference of the oil condition data and predetermined threshold value is calculated, and the oil condition data and difference are sent to backstage Monitoring unit.
- 16. according to the method for claim 15, it is characterised in that the backstage monitoring unit is sentenced according to the comparative result It is disconnected whether alert, including：If the difference is less than the first alarm threshold value, backstage monitoring unit not alert；If the difference is more than or equal to the first alarm threshold value and is less than the second alarm threshold value, backstage monitoring unit is by showing mould Block ejects warning message；If the difference is more than the second alarm threshold value, backstage monitoring unit ejects warning message by display module, and sends Audible alarm information.
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| CN201711283469.0A CN108007532A (en) | 2017-12-07 | 2017-12-07 | A kind of high pressure oil insulator arrangement oil level on-line monitoring system and method |
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| CN201711283469.0A CN108007532A (en) | 2017-12-07 | 2017-12-07 | A kind of high pressure oil insulator arrangement oil level on-line monitoring system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405630A (en) * | 2021-03-29 | 2021-09-17 | 国网上海市电力公司 | Monitoring devices of transformer oil level operation safety based on wireless communication |
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