CN210981435U - Ultrasonic online measuring device for oil level of oil conservator of power transformer - Google Patents
Ultrasonic online measuring device for oil level of oil conservator of power transformer Download PDFInfo
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- CN210981435U CN210981435U CN201922014362.7U CN201922014362U CN210981435U CN 210981435 U CN210981435 U CN 210981435U CN 201922014362 U CN201922014362 U CN 201922014362U CN 210981435 U CN210981435 U CN 210981435U
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- conservator
- ultrasonic
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- instrument
- oil level
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a power transformer conservator oil level ultrasonic wave on-line measuring device, including conservator, ultrasonic sensor and ultrasonic measuring instrument, ultrasonic sensor one end sets up on the sensor fixed plate, and the other end is hugged closely in the lower surface of conservator, and the sensor fixed plate passes through signal transmission line to be connected with ultrasonic measuring instrument, is provided with ultrasonic sensor, signal acquisition module and BNC signal output jack on the sensor fixed plate, and the sensor fixed plate passes through the bandage or annular staple bolt to be fixed at the conservator lower surface, and the conservator passes through the support and is connected with ground. The utility model discloses eliminate hidden danger such as transformer oil level is not enough, guaranteed electric power system and power equipment's safe operation, reduced the waste of manpower and material resources.
Description
Technical Field
The utility model relates to an ultrasonic wave on-line measuring device especially relates to a power transformer conservator oil level ultrasonic wave on-line measuring device.
Background
The insulating oil in the transformer has much higher insulating strength than air, has a perfect cooling effect, is a good arc extinguishing medium, and plays roles of maintaining and preventing corrosion for insulating materials, the insulating oil is very important for the transformer, the oil level of an oil conservator of the transformer is kept within a certain range, when the oil level is too high, the oil pressure in the transformer can be increased, and meanwhile, oil spilling can be caused; when the oil level is too low, especially when the transformer runs at low load (or the transformer is out of service), or when the weather becomes cold, the oil level is lowered, and when the oil level is lower than the large cover of the transformer, the lead wire or the iron core is exposed to the air, so that the risk of internal flashover is caused. Meanwhile, the contact surface between oil and air is increased, so that the insulating property of insulating oil is rapidly reduced, and an oil level indicator is one of important accessories of the transformer and is a main component for indicating the height of the oil level of the transformer; in recent years, the quality of the oil level gauge of the transformer is poor, the selected oil level gauge is not suitable for being matched with an oil storage cabinet, and the condition of wrong indication of the oil level gauge occurs occasionally, so that the safe and stable operation of the transformer is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the ultrasonic online measuring device for the oil level of the oil conservator of the power transformer can effectively reduce inaccurate oil level display of the oil conservator of the power transformer caused by factors such as faults of the oil level display device and the like.
The utility model discloses a technical scheme who solves technical problem and take is:
the utility model provides a power transformer conservator oil level ultrasonic wave on-line measuring device, includes conservator, ultrasonic sensor and ultrasonic measuring instrument, ultrasonic sensor one end sets up on the sensor fixed plate, and the other end is paintd the couplant and is hugged closely in the lower surface of conservator, the sensor fixed plate pass through signal transmission line with ultrasonic measuring instrument connects, be provided with on the sensor fixed plate ultrasonic sensor, signal acquisition module and BNC signal output jack, the sensor fixed plate passes through bandage or annular staple bolt to be fixed the conservator lower surface, the conservator passes through the support and is connected with ground, signal transmission line is made by the optical fiber transmission line that both ends have the BNC plug, be provided with instrument main panel, power cord and transmission line interface on the ultrasonic measuring instrument.
The left end face of conservator is provided with magnet formula oil level gauge, and the right-hand member face is provided with pointer type oil level gauge and manhole cover, the lower surface left side of conservator from left to right has set gradually has carried switch coupling, has arranged oil conservator, has filled oil coupling, desiccator coupling and the dirty box of collection, the lower surface right side of conservator is provided with the gas collection box, is provided with the gas relay coupling on the gas collection box, the upper surface of conservator is provided with oil conservator bleeder plug and desiccator pipe interface, the inside air bag that is provided with of conservator.
The ultrasonic sensor is provided with two, be provided with instrument display screen, instrument function key region and instrument number key region on the instrument main panel, the operation interface and each function of instrument are shown to the instrument display screen, are provided with on & off key and menu key on the instrument function key region, are provided with number key and switching key on the instrument number key region.
The utility model discloses an actively beneficial effect is:
by transmitting and receiving ultrasonic signals, the oil level of the transformer conservator is accurately measured, the condition that the oil level of the transformer is displayed inaccurately due to factors such as faults of the oil level display device is effectively reduced, hidden dangers such as insufficient oil level of the transformer are eliminated, the safe operation of a power system and power equipment is guaranteed, the waste of manpower and material resources is reduced, the power failure maintenance time is shortened, and the power supply reliability is improved.
Drawings
FIG. 1 is a structural diagram of the ultrasonic online oil level measuring device for the oil conservator of the power transformer of the present invention;
FIG. 2 is a schematic view of the connection of the ultrasonic sensor of FIG. 1 to an ultrasonic meter;
FIG. 3 is a right side view of the conservator of FIG. 1;
fig. 4 is a top view of the ultrasonic meter of fig. 1.
Detailed Description
The invention will be further explained and explained with reference to the drawings and the embodiments
Referring to fig. 1, 2, 3 and 4, in the drawings, 1-pointer type oil level meter, 2-manhole cover, 3-moisture absorber pipe connector, 4-oil conservator air release plug, 5-conservator, 6-soft air bag, 7-oil level, 8-magnet oil level meter, 9-load switch pipe connector, 10-oil conservator row, oil filling pipe connector, 11-moisture absorber pipe connector, 12-dirt collecting box, 13-bracket, 14-ultrasonic sensor, 15-sensor fixing plate, 16-signal transmission line, 17-gas relay pipe connector, 18-air collecting box, 19-ultrasonic measuring instrument, 20-instrument main panel, 21-instrument display screen, 22-instrument function key region and 23-instrument digital key region.
Example (b): the utility model provides a power transformer conservator oil level ultrasonic wave on-line measuring device, including conservator 5, ultrasonic sensor 14 and ultrasonic measuring instrument 19, 14 one end of ultrasonic sensor sets up on sensor fixed plate 15, the couplant is paintd and hugs closely in the lower surface of conservator 5 to the other end, sensor fixed plate 15 is connected with ultrasonic measuring instrument 19 through signal transmission line 16, be provided with ultrasonic sensor 14 on the sensor fixed plate 15, signal acquisition module and BNC signal output jack, sensor fixed plate 15 is fixed at the lower surface of conservator 5 through bandage or annular staple bolt, conservator 5 is connected with ground through support 13, signal transmission line 16 is made by the fiber transmission line that both ends have the BNC plug, be provided with instrument main panel 20 on the ultrasonic measuring instrument 19, power cord and transmission line interface.
The left end face of the conservator 5 is provided with a magnet type oil level meter 8, the right end face of the conservator 5 is provided with a pointer type oil level meter 1 and a manhole cover 2, the left side of the lower surface of the conservator 5 is sequentially provided with a load switch pipe joint 9, an oil storage cabinet row, an oil filling pipe joint 10, a moisture absorber pipe joint 11 and a dirt collecting box 12 from left to right, the right side of the lower surface of the conservator 5 is provided with a gas collecting box 18, the gas collecting box 18 is provided with a gas relay pipe joint 17, the upper surface of the conservator 5 is provided with an oil storage cabinet air release plug 4 and a moisture absorber pipe joint 3.
The ultrasonic sensors 14 are two, the instrument main panel 20 is provided with an instrument display screen 21, an instrument function key area 22 and an instrument number key area 23, the instrument display screen 21 displays an operation interface and each function of the instrument, the instrument function key area 22 is provided with an on-off key and a menu key, and the instrument number key area 23 is provided with a number key and a switching key.
When the ultrasonic measuring device is used, one end of the signal transmission line 16 is connected with the ultrasonic measuring instrument 19, the switch key is turned on after the power line is installed on the ultrasonic measuring instrument 19, the ultrasonic frequency and the number of channels of the ultrasonic sensor are selected and set through the menu key, the switch key and the number key, and after the parameters are set, the confirming key is pressed to start measuring.
The ultrasonic sensor 14 is fixed on a sensor fixing plate 15, when in use, a coupling agent is coated and clings to the lower surface of the conservator 5 and is used for transmitting and receiving ultrasonic waves, two ultrasonic sensors 14, a signal acquisition module and a corresponding BNC signal output jack are placed on the sensor fixing plate 15 and are fixed on the lower surface of the conservator through a binding band or an annular hoop, the two ultrasonic sensors 14 both have the functions of transmitting and receiving ultrasonic signals, a signal transmission line 16 consists of an optical fiber transmission line with BNC plugs at two ends and is pre-installed on the outer surface of the conservator 5 through a wire binding band and the like, one end is directly pre-connected with the sensor fixing plate 15, when in use, the other end of the signal transmission line is communicated with an ultrasonic measuring instrument 19, a command sent by the ultrasonic measuring instrument 19 reaches the ultrasonic sensor 14 through the signal transmission line, ultrasonic signals are transmitted along the oil conservator wall and transformer oil in a straight line, the signals are reflected after reaching the oil conservator oil surface 7 of the transformer, the reflected ultrasonic signals are received by the ultrasonic sensor 14, the received signals are sent back to the ultrasonic measuring instrument 19 by the signal transmission line 16, and the ultrasonic measuring instrument 19 processes the signals and displays the signals on the instrument display screen 21.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited in any form, and any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments all still belong to the protection scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a power transformer conservator oil level ultrasonic wave on-line measuring device, includes conservator, ultrasonic sensor and ultrasonic measuring appearance, characterized by: ultrasonic sensor one end sets up on the sensor fixed plate, and the other end paint the couplant and hug closely in the lower surface of conservator, the sensor fixed plate pass through signal transmission line with ultrasonic measurement appearance is connected, be provided with on the sensor fixed plate ultrasonic sensor, signal acquisition module and BNC signal output jack, the sensor fixed plate passes through the bandage or annular staple bolt to be fixed the conservator lower surface, the conservator passes through the support and is connected with ground, signal transmission line is made by the optical fiber transmission line that has the BNC plug at both ends, be provided with instrument main panel, power cord and transmission line interface on the ultrasonic measurement appearance.
2. The ultrasonic online measuring device for the oil level of the oil conservator of the power transformer as claimed in claim 1, which is characterized in that: the left end face of conservator is provided with magnet formula oil level gauge, and the right-hand member face is provided with pointer type oil level gauge and manhole cover, the lower surface left side of conservator from left to right has set gradually has carried switch coupling, has arranged oil conservator, has filled oil coupling, desiccator coupling and the dirty box of collection, the lower surface right side of conservator is provided with the gas collection box, is provided with the gas relay coupling on the gas collection box, the upper surface of conservator is provided with oil conservator bleeder plug and desiccator pipe interface, the inside air bag that is provided with of conservator.
3. The ultrasonic online measuring device for the oil level of the oil conservator of the power transformer as claimed in claim 1, which is characterized in that: the ultrasonic sensor is provided with two, be provided with instrument display screen, instrument function key region and instrument number key region on the instrument main panel, the operation interface and each function of instrument are shown to the instrument display screen, are provided with on & off key and menu key on the instrument function key region, are provided with number key and switching key on the instrument number key region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014362.7U CN210981435U (en) | 2019-11-20 | 2019-11-20 | Ultrasonic online measuring device for oil level of oil conservator of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922014362.7U CN210981435U (en) | 2019-11-20 | 2019-11-20 | Ultrasonic online measuring device for oil level of oil conservator of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210981435U true CN210981435U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922014362.7U Expired - Fee Related CN210981435U (en) | 2019-11-20 | 2019-11-20 | Ultrasonic online measuring device for oil level of oil conservator of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210981435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967092A (en) * | 2019-11-20 | 2020-04-07 | 国网河南省电力公司郑州供电公司 | Ultrasonic online measuring device for oil level of oil conservator of power transformer |
| CN117146934A (en) * | 2023-08-31 | 2023-12-01 | 陕西声科电子科技有限公司 | Oil level gauge for power transformer oil conservator |
-
2019
- 2019-11-20 CN CN201922014362.7U patent/CN210981435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967092A (en) * | 2019-11-20 | 2020-04-07 | 国网河南省电力公司郑州供电公司 | Ultrasonic online measuring device for oil level of oil conservator of power transformer |
| CN117146934A (en) * | 2023-08-31 | 2023-12-01 | 陕西声科电子科技有限公司 | Oil level gauge for power transformer oil conservator |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 Termination date: 20201120 |