CN107894265A - A kind of transformer device for monitoring oil level - Google Patents
A kind of transformer device for monitoring oil level Download PDFInfo
- Publication number
- CN107894265A CN107894265A CN201711268017.5A CN201711268017A CN107894265A CN 107894265 A CN107894265 A CN 107894265A CN 201711268017 A CN201711268017 A CN 201711268017A CN 107894265 A CN107894265 A CN 107894265A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic sensor
- oil level
- control device
- oil
- terminal
- 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.)
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Classifications
-
- 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
- G01F23/2962—Measuring transit time of reflected waves
Abstract
The present invention provides a kind of transformer device for monitoring oil level, transformer includes oil conservater and the expander being arranged in oil conservater, ultrasonic sensor including being removably disposed in oil conservater inside top, it is arranged in oil conservater in turn as multiple energy storage devices of ultrasonic sensor power supply, it is connected with ultrasonic sensor to control the control device of its working condition, the activation device that is connected with control device and the terminal for being arranged on distal end and activation device wireless connection, terminal is connected by radio communication device with ultrasonic sensor radio communication, ultrasonic sensor, control device and activation device are respectively provided with resting state and can be activated；The present invention is simple in construction, easily realize, accurate oil level information can be obtained when needed, and the power consumption of ultrasonic sensor, control device and activation device is preferably minimized, extend the power-on time of energy storage device, and the frequency of energy storage device replacing is greatly reduced, and then reduce the labor intensity and work difficulty of staff.
Description
Technical field
The present invention relates to a kind of transformer device for monitoring oil level.
Background technology
It is oil immersed type that the widely used conservator of power system at present, voltage, current transformer, which still have most, internal electricity
Gas is to realize to insulate by insulating oil, and whether the oil level inside oil conservater is most important in safe range, therefore in mutual inductance
Oil level glass is usually provided with the top of device, the liquid level gauge connection for being provided with and being arranged in oil level glass inside oil conservater
Pointer, the height of oil level inside oil conservater is grasped by observing pointer.During equipment long-play, meeting in liquid level gauge
Into substantial amounts of dust impurity, also there is dust accumulation outside observation window, along with observation window is arranged on top, there is certain height
Degree, usually make it that observation result is smudgy, accurate oil level can not be obtained.To accurate oil level letter can be obtained in real time
Breath, then need to set detection means in oil conservater, and testing result is sent to transformer, this usual structure of device
Complicated and power consumption is big, and in order to ensure its normal work, it is necessary to which sufficient power supply is powered for it, but oil conservater inner space is limited,
The electric quantity of power supply that can be installed is limited, in order to ensure the normal work of detection means, it is necessary to which power supply, increase work are changed in timing
The labor intensity and work difficulty of personnel, therefore the power consumption of detection means how is reduced, so as to most under limited power supply supply
The power work time may be extended longly, be to need to solve the problems, such as.
The content of the invention
The purpose of the present invention is in view of the shortcomings of the prior art, to propose a kind of transformer device for monitoring oil level, when needed
Accurate oil level information can be obtained, and reduces ultrasonic sensor, control device and the power consumption for activating device, extends energy storage dress
The power-on time put, energy storage device replacement frequency is greatly reduced, and then reduce the labor intensity and work difficulty of staff.
The present invention is achieved through the following technical solutions：
A kind of transformer device for monitoring oil level, transformer include oil conservater and the expander being arranged in oil conservater, including
It is removably disposed in the ultrasonic sensor of oil conservater inside top, is arranged in oil conservater in turn as ultrasonic sensor confession
Multiple energy storage devices of electricity, it is connected to control the control device of its working condition, be connected with control device with ultrasonic sensor
Activation device and be arranged on the terminal of distal end and activation device wireless connection, terminal passes through radio communication device and ultrasonic wave and passed
Sensor radio communication connects, and ultrasonic sensor, control device and activation device are respectively provided with resting state and can be activated；
Terminal sends enabling signal to activation device, and activation device receives enters work after enabling signal from resting state
State and activated control, control device activation ultrasonic sensor make it to expander top-emission ultrasonic wave, ultrasonic wave
Sensor is obtained from ultrasonic wave and launched to the temporal information for receiving echo, and the temporal information is sent out by radio communication device
Terminal is delivered to, terminal determines oil level according to the temporal information.
Further, the activation device includes the first single-chip microcomputer, and the control device includes second singlechip.
Further, the energy storage device include be connected with the ultrasonic sensor battery, be arranged on it is described surpass
The gate-controlled switch in connecting wire between sonic sensor and battery, gate-controlled switch is connected with the control device, described
Control device controls each gate-controlled switch timesharing to connect so that each battery is powered for the ultrasonic sensor in turn, when described super
When sonic sensor needs dormancy, control device controls each gate-controlled switch to disconnect, when the ultrasonic sensor needs to be activated
When, control device controls a gate-controlled switch to connect.
Further, the radio communication device include being arranged on wireless transmitter module on the ultrasonic sensor and
The wireless receiving module being arranged in the terminal.
Further, the terminal includes the computing module being connected with wireless receiving module and is connected with computing module aobvious
Show module.
Further, the ultrasonic sensor is removably disposed in the oil conservater top by erecting device
Side, erecting device is including being fixedly installed the annulus mounting bracket of ultrasonic sensor, first be arranged on annulus mounting bracket allows
Position hole, it is arranged on the oil conservater inside top and screw corresponding with the first resigning hole and through being locked at after the first resigning hole
Bolt in screw.
Further, the energy storage device is arranged on the annulus mounting bracket, and the control device and activation device are equal
It is arranged in the oil conservater.
Further, in addition to it is arranged on the TEMP being connected in the oil conservater and with the radio communication device
Device, the terminal also include the alarm module being connected with the computing module, and the computing module detects according to temperature sensor
Oil conservater in oily temperature determine oil level threshold value, and by the oil level compared with oil level threshold value, when both errors exceed
During certain value, alarm module sends alarm signal.
The present invention has the advantages that：
1st, ultrasonic sensor of the invention, control device and activation device Many times in a dormant state, work as activation
Device then enters working condition and activated control, control device after receiving the enabling signal of terminal transmission from resting state
Activation ultrasonic sensor makes it, and to expander top-emission ultrasonic wave, the temporal information that ultrasonic sensor obtains is wirelessly transferred
To terminal, terminal can determine oil level according to temporal information, simple in construction, easily realize, can not only obtain standard when needed
True oil level information, also the power consumption of ultrasonic sensor, control device and activation device is preferably minimized, extends energy storage device
Power-on time, and multiple energy storage devices are provided and powered in turn for ultrasonic sensor, greatly reduce the frequency of energy storage device replacing
Rate, and then reduce the labor intensity and work difficulty of staff.
2nd, ultrasonic sensor of the invention is removably disposed in oil conservater inside top by erecting device, installation and
Safeguard more convenient.
3rd, temperature sensor of the invention can obtain temperature oily in oil conservater, and terminal is according to the temperature and existing oil temperature
With oil level graph of a relation, oil level is predicted, and using the prediction oil level as oil level threshold value, when the oil level actually obtained and oil level threshold value
When error exceedes certain value, alarm module then sends alarm signal, can be alerted in time in oil level exception, avoids triggering more
Serious consequence.
Brief description of the drawings
The present invention is described in further details below in conjunction with the accompanying drawings.
Fig. 1 is the theory diagram of the present invention.
Fig. 2 is the structural representation of oil conservater.
Fig. 3 is the ultrasonic sensor of the present invention and the mounting structure schematic diagram of energy storage device.
Embodiment
As shown in Figure 1 to Figure 3, transformer includes oil conservater 1 and the expander 2 being arranged in oil conservater 1, transformer oil level
Monitoring device includes being removably disposed in the ultrasonic sensor 3 of the inside top of oil conservater 1 by erecting device, is arranged on storage
It is connected in turn for three energy storage devices 4 of the power supply of ultrasonic sensor 3, with ultrasonic sensor 3 to control its work in Oil Tank 1
The control device 5 of state, the activation device 6 that is connected with control device 5 and it is arranged on distal end and the activation wireless connection of device 6
Terminal 7, the temperature sensor 8 being arranged in oil conservater 1, ultrasonic sensor 3 and temperature sensor 8 pass through radio communication
Device 9 is connected with the radio communication of terminal 7, and ultrasonic sensor 3, control device 5 and activation device 6 are respectively provided with resting state and can
It is activated；Terminal 7 includes the computing module 71 being connected with wireless receiving module, the display module being connected respectively with computing module 71
72 and alarm module 73；Terminal 7 sends enabling signal to activation device 6 when needed, after activation device 6 receives enabling signal
Enter working condition, and activated control 5 from resting state, control device 5 activates supersonic sensing after entering working condition
Device 3, make it to the top-emission ultrasonic wave of expander 2, ultrasonic sensor 3 be obtained from ultrasonic wave launch to receive echo when
Between information, and the temporal information is sent to computing module 71 by radio communication device 9, temperature sensor 8 detects oil conservater 1
Interior oily temperature, and the temperature information is sent to computing module 71 by radio communication device 9, computing module 71 is according to the temperature
Degree and existing oil temperature and oil level graph of a relation, predict oil level, and using the prediction oil level as oil level threshold value；The root again of computing module 71
The height of expander 2 is determined according to the temporal information received, and then determines oil level simultaneously according to the relation of the height of expander 2 and oil level
Oil level is shown by display module 72, and by the oil level of determination compared with oil level threshold value, when both errors exceed certain value,
Alarm module 73 sends alarm signal；Oil level is this area routine with oil level graph of a relation, the height of expander 2 and oil level graph of a relation
Knowledge.
Activation device 6 includes the first single-chip microcomputer, and control device 5 includes second singlechip, and first, second single-chip microcomputer, which is in, stops
During dormancy state, that is, realize activation device 6 and control device 5 in a dormant state, in addition to first, second single-chip microcomputer external interrupt,
Remaining part is in resting state, and the computing module 71 of terminal 7 is sent to the external interrupt of the first single-chip microcomputer when needed to be opened
Dynamic signal, external interrupt makes the first single-chip microcomputer terminate resting state after receiving enabling signal, into working condition, the first monolithic
Machine sends enabling signal to the external interrupt of second singlechip therewith, second singlechip is entered working condition.
Energy storage device 4 include be connected with ultrasonic sensor 3 battery 41, be arranged on ultrasonic sensor 3 and electric power storage
Gate-controlled switch 42 in connecting wire between pond 41, gate-controlled switch 42 are connected with control device 5, and control device 5 controls three
The timesharing of gate-controlled switch 42 is connected so that three batteries 41 are powered for ultrasonic sensor 3 in turn, when ultrasonic sensor 3 needs
During dormancy, control device 5 controls three gate-controlled switches 42 to disconnect, when ultrasonic sensor 3 needs to be activated, control device
5 one gate-controlled switch 42 of control are connected.
Radio communication device 9 includes the wireless transmitter module being arranged on ultrasonic sensor 3 and is arranged in terminal 7
Wireless receiving module 92.Temperature sensor 8 is connected with wireless transmitter module.Computing module 71 is the 3rd single-chip microcomputer, shows mould
Block 72 is LCDs, and alarm module 73 is this area routine techniques, and handset, mobile phone or electricity specifically may be selected in terminal 7
Brain.
Erecting device includes being welded with the annulus mounting bracket 11 of ultrasonic sensor 3, is arranged on annulus mounting bracket 11
First resigning hole, it is arranged on the inside top of oil conservater 1 and screw corresponding with the first resigning hole and through the first resigning hole
The bolt 12 being locked at afterwards in screw, energy storage device 4 are arranged on annulus mounting bracket 11, and control device 5 and activation device 6 are all provided with
Put in oil conservater 1, be specifically located in the upper inside wall of oil conservater 1.
The foregoing is only a preferred embodiment of the present invention, therefore the scope that the present invention is implemented can not be limited with this, i.e.,
The equivalent changes and modifications made according to scope of the present invention patent and description, it all should still belong to what patent of the present invention covered
In the range of.
Claims (8)
1. a kind of transformer device for monitoring oil level, transformer includes oil conservater and the expander being arranged in oil conservater, its feature
It is：Including being removably disposed in the ultrasonic sensor of oil conservater inside top, being arranged in oil conservater in turn as ultrasound
Multiple energy storage devices of wave sensor power supply, be connected with ultrasonic sensor to control the control device of its working condition and control
The activation device of device connection processed and the terminal for being arranged on distally and activating device wireless connection, terminal pass through radio communication device
It is connected with ultrasonic sensor radio communication, ultrasonic sensor, control device and activation device are respectively provided with resting state and can
It is activated；
Terminal sends enabling signal to activation device, and activation device receives enters working condition after enabling signal from resting state
And activated control, control device activation ultrasonic sensor make it to expander top-emission ultrasonic wave, supersonic sensing
Device is obtained from ultrasonic wave and launched to the temporal information for receiving echo, and by the temporal information by radio communication device send to
Terminal, terminal determine oil level according to the temporal information.
A kind of 2. transformer device for monitoring oil level according to claim 1, it is characterised in that：The activation device includes the
One single-chip microcomputer, the control device include second singlechip.
A kind of 3. transformer device for monitoring oil level according to claim 1, it is characterised in that：The energy storage device include with
On the battery of the ultrasonic sensor connection, the connecting wire being arranged between the ultrasonic sensor and battery
Gate-controlled switch, gate-controlled switch are connected with the control device, and the control device controls each gate-controlled switch timesharing to connect so that each
Battery is powered for the ultrasonic sensor in turn, and when the ultrasonic sensor needs dormancy, control device control is each
Gate-controlled switch disconnects, and when the ultrasonic sensor needs to be activated, control device controls a gate-controlled switch to connect.
A kind of 4. transformer device for monitoring oil level according to claim 1 or 2 or 3, it is characterised in that：The radio communication
Device includes the wireless transmitter module being arranged on the ultrasonic sensor and the wireless receiving mould being arranged in the terminal
Block.
A kind of 5. transformer device for monitoring oil level according to claim 1 or 2 or 3, it is characterised in that：The terminal includes
The computing module being connected with wireless receiving module and the display module being connected with computing module.
A kind of 6. transformer device for monitoring oil level according to claim 1 or 2 or 3, it is characterised in that：The ultrasonic wave passes
Sensor is removably disposed in the oil conservater inside top by erecting device, and erecting device includes being fixedly installed ultrasonic wave
The annulus mounting bracket of sensor, the first resigning hole being arranged on annulus mounting bracket, be arranged on the oil conservater inside top and
Screw corresponding with the first resigning hole and through the bolt being locked at after the first resigning hole in screw.
A kind of 7. transformer device for monitoring oil level according to claim 6, it is characterised in that：The energy storage device is arranged on
On the annulus mounting bracket, the control device and activation device are arranged in the oil conservater.
A kind of 8. transformer device for monitoring oil level according to claim 5, it is characterised in that：Also include being arranged on the storage
The temperature sensor being connected in Oil Tank and with the radio communication device, the terminal also include what is be connected with the computing module
Alarm module, oily temperature determines oil level threshold value in the oil conservater that the computing module detects according to temperature sensor, and by institute
Oil level is stated compared with oil level threshold value, when both errors exceed certain value, alarm module sends alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268017.5A CN107894265A (en) | 2017-12-05 | 2017-12-05 | A kind of transformer device for monitoring oil level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268017.5A CN107894265A (en) | 2017-12-05 | 2017-12-05 | A kind of transformer device for monitoring oil level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107894265A true CN107894265A (en) | 2018-04-10 |
Family
ID=61807016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268017.5A Pending CN107894265A (en) | 2017-12-05 | 2017-12-05 | A kind of transformer device for monitoring oil level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107894265A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110156918A1 (en) * | 2009-12-30 | 2011-06-30 | Eduardo Pedrosa Santos | System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like |
| CN102547940A (en) * | 2012-01-14 | 2012-07-04 | 哈尔滨商业大学 | Wireless sensor network node suitable for low temperature environment |
| CN103267832A (en) * | 2013-05-13 | 2013-08-28 | 安徽工程大学 | Online water quality monitoring system for surface water |
| CN105737944A (en) * | 2016-02-29 | 2016-07-06 | 国家电网公司 | Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer |
| CN106525194A (en) * | 2016-11-21 | 2017-03-22 | 北京殷图网联科技股份有限公司 | Main transformer oil level real-time monitoring method based on ultimate oil temperature equivalence method |
| CN206259742U (en) * | 2016-11-18 | 2017-06-16 | 沈阳理德科技有限公司 | It is a kind of to utilize solar powered ultrasonic flowmeter |
| CN106932055A (en) * | 2017-04-24 | 2017-07-07 | 深圳市电应普科技有限公司 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
-
2017
- 2017-12-05 CN CN201711268017.5A patent/CN107894265A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110156918A1 (en) * | 2009-12-30 | 2011-06-30 | Eduardo Pedrosa Santos | System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and the like |
| CN102547940A (en) * | 2012-01-14 | 2012-07-04 | 哈尔滨商业大学 | Wireless sensor network node suitable for low temperature environment |
| CN103267832A (en) * | 2013-05-13 | 2013-08-28 | 安徽工程大学 | Online water quality monitoring system for surface water |
| CN105737944A (en) * | 2016-02-29 | 2016-07-06 | 国家电网公司 | Device and method for detecting oil level of oil storage cabinet of corrugated pipe tube transformer |
| CN206259742U (en) * | 2016-11-18 | 2017-06-16 | 沈阳理德科技有限公司 | It is a kind of to utilize solar powered ultrasonic flowmeter |
| CN106525194A (en) * | 2016-11-21 | 2017-03-22 | 北京殷图网联科技股份有限公司 | Main transformer oil level real-time monitoring method based on ultimate oil temperature equivalence method |
| CN106932055A (en) * | 2017-04-24 | 2017-07-07 | 深圳市电应普科技有限公司 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
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