CN218765393U - On-line comprehensive testing device for distribution transformer - Google Patents
On-line comprehensive testing device for distribution transformer Download PDFInfo
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- CN218765393U CN218765393U CN202222977607.8U CN202222977607U CN218765393U CN 218765393 U CN218765393 U CN 218765393U CN 202222977607 U CN202222977607 U CN 202222977607U CN 218765393 U CN218765393 U CN 218765393U
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Abstract
The utility model discloses an online distribution transformer integrated test device relates to transformer technical field. The on-line comprehensive testing device for the distribution transformer comprises a shell, a circulating pump, a liquid inlet pipe and a liquid outlet pipe; a measuring chamber is arranged in the shell, and a densimeter, a viscometer and a thermometer are arranged in the measuring chamber; the circulating pump is circularly arranged in the shell and is communicated with the inside of the measuring chamber through a pipeline; the first end of the liquid inlet pipe is communicated with the interior of the transformer, and the second end of the liquid inlet pipe is communicated with the circulating pump; the first end of drain pipe and the inside intercommunication of measuring room, the second end of drain pipe is used for the inside intercommunication with the transformer. According to the utility model discloses an online distribution transformer integrated test device, through taking densimeter, viscosity meter into account the thermometer integration, integrated a plurality of sensor integration can realize the simultaneous measurement to the density of transformer oil, viscosity and temperature, ensures that transformer oil does not take place rotten.
Description
Technical Field
The utility model belongs to the technical field of the transformer technique and specifically relates to an online distribution transformer integrated test device is related to.
Background
The transformer oil of the oil-immersed transformer has the effects of insulation, moisture prevention, heat dissipation, arc extinction and the like, and has the following requirements on the performance of the transformer oil:
1. the density of the transformer oil is required to be as low as possible so as to facilitate the precipitation of water and impurities in the oil;
2. the viscosity is moderate, the convection heat dissipation is influenced if the viscosity is too high, and the flash point is reduced if the viscosity is too low;
3. the freezing point should be as low as possible;
4. the lower the impurity content, the better in order to avoid as much as possible their corrosion on insulation, wires, tanks, etc.
The density, viscosity, conductivity and temperature of the transformer oil can affect the oil product, if the oil product is not treated in time, the normal operation of the transformer can be affected, and in severe cases, fire can be caused, so that the power supply is interrupted, and further worse social influence is generated. Therefore, real-time monitoring of the transformer oil is very necessary during the operation of the transformer.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an online distribution transformer integrated test device can detect transformer oil's density, viscosity and temperature in real time.
According to the utility model discloses online distribution transformer integrated test device, include:
the device comprises a shell, a measuring chamber and a temperature measuring device, wherein the measuring chamber is arranged inside the shell, and a densimeter, a viscometer and a thermometer are arranged inside the measuring chamber;
the circulating pump is arranged inside the shell and is communicated with the inside of the measuring chamber through a pipeline;
the first end of the liquid inlet pipe is communicated with the interior of the transformer, and the second end of the liquid inlet pipe is communicated with the circulating pump;
the first end of drain pipe with the inside intercommunication of measuring room, the second end of drain pipe be used for with the inside intercommunication of transformer.
According to some embodiments of the utility model, the feed liquor pipe with all be provided with the check valve on the drain pipe.
According to the utility model discloses a some embodiments still include the connecting piece, the connecting piece with the trompil position looks adaptation of transformer, online distribution transformer comprehensive testing device can pass through the connecting piece realize with the transformer can dismantle and connect, the feed liquor pipe with the drain pipe is all worn to locate the connecting piece.
According to some embodiments of the present invention, further comprising:
the data acquisition and conversion module is electrically connected with the densimeter, the viscometer and the thermometer respectively;
the processing module is electrically connected with the data acquisition and conversion module;
and the monitoring module is electrically connected with the processing module.
According to some embodiments of the present invention, the display module further comprises a display module, the display module being electrically connected to the processing module.
According to some embodiments of the invention, the display module includes a display screen disposed in the housing surface.
According to some embodiments of the present invention, the apparatus further comprises a communication module, the communication module being electrically connected to the processing module.
According to some embodiments of the utility model, still include power module, power module respectively with processing module with the circulating pump electricity is connected.
According to some embodiments of the utility model, still include alarm module, alarm module with the processing module electricity is connected.
According to the utility model discloses online distribution transformer integrated test device has following beneficial effect at least: through integrating densimeter, viscometer and thermometer, integrated a plurality of sensor integrations can realize measuring simultaneously to transformer oil's density, viscosity and temperature. The device is at the working process, and the circulating pump starts, and transformer oil enters into the measuring chamber through feed liquor pipe and circulating pump, measures transformer oil's each item parameter through densimeter, viscometer and the thermometer in the measuring chamber, and inside transformer oil got back to the transformer through the drain pipe afterwards, realized transformer oil's circulation reciprocal and real-time measurement, ensured that transformer oil does not take place rotten.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an online distribution transformer comprehensive testing device according to an embodiment of the present invention;
fig. 2 is a schematic circuit module diagram of an online distribution transformer comprehensive testing device according to an embodiment of the present invention;
reference numerals:
the device comprises a shell 100, a measuring chamber 200, a densimeter 210, a viscometer 220, a thermometer 230, a circulating pump 300, a liquid inlet pipe 400, a liquid outlet pipe 500, a connecting piece 600, a data acquisition and conversion module 700, a processing module 800, a monitoring module 900, a display module 1000, a display screen 1100, a communication module 1100, a power supply module 1200 and an alarm module 1300.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1 and fig. 2, the on-line distribution transformer comprehensive testing apparatus according to the embodiment of the present invention includes a housing 100, a circulating pump 300, a liquid inlet pipe 400 and a liquid outlet pipe 500; a measurement chamber 200 is provided inside the casing 100, and a densimeter 210, a viscometer 220, and a thermometer 230 are provided inside the measurement chamber 200; the circulation pump 300 is provided inside the case 100, and the circulation pump 300 is communicated with the inside of the measuring chamber 200 through a pipe; a first end of the liquid inlet pipe 400 is used for communicating with the inside of the transformer, and a second end of the liquid inlet pipe 400 is communicated with the circulation pump 300; a first end of drain 500 is in communication with the interior of measurement chamber 200 and a second end of drain 500 is for communication with the interior of the transformer.
According to the online comprehensive testing device for the distribution transformer, disclosed by the embodiment of the invention, the densimeter 210, the viscometer 220 and the thermometer 230 are integrated, a plurality of sensors are integrated, the density, the viscosity and the temperature of the transformer oil can be simultaneously measured, and continuous signals are output to a background for being observed by a worker. The device is in the course of the work, and circulating pump 300 starts, and transformer oil enters into measuring room 200 through feed liquor pipe 400 and circulating pump 300 in, measures the each item parameter of transformer oil through densimeter 210, viscometer 220 and thermometer 230 in the measuring room 200, and inside transformer oil got back to the transformer through drain pipe 500 afterwards, realized transformer oil's circulation reciprocal and real-time measurement, ensured that transformer oil does not take place to deteriorate.
The utility model discloses an in some embodiments, all be provided with the check valve on feed liquor pipe 400 and the drain pipe 500, the check valve on feed liquor pipe 400 ensures that transformer oil gets into circulating pump 300 through feed liquor pipe 400 from the inside of transformer, and the check valve on the drain pipe 500 ensures that transformer oil passes through the inside that drain pipe 500 got into the transformer from the inside of measuring room 200, avoids transformer oil to flow backwards.
As shown in fig. 1, in some embodiments of the present invention, the online distribution transformer comprehensive testing device further includes a connecting member 600, the connecting member 600 is adapted to the open hole position of the transformer, the device can be detachably connected to the transformer through the connecting member 600, and the liquid inlet pipe 400 and the liquid outlet pipe 500 are all disposed on the connecting member 600. Specifically, in order to fix the device on the transformer, a hole is formed at a proper position on the transformer, and the connecting piece 600 is provided with a thread, so that the connecting piece is connected with and sealed with the hole of the transformer through the thread; liquid inlet pipe 400 and drain pipe 500 all wear to locate connecting piece 600, can pass connecting piece 600 and get into the transformer inside.
As shown in fig. 2, in some embodiments of the present invention, the online distribution transformer comprehensive testing apparatus further includes a data acquisition and conversion module 700, a processing module 800 and a monitoring module 900, wherein the data acquisition and conversion module 700 is electrically connected to the densimeter 210, the viscometer 220 and the thermometer 230 respectively; the processing module 800 is electrically connected with the data acquisition and conversion module 700; the monitoring module 900 is electrically connected to the processing module 800. The data acquisition and conversion module 700 may include an operational amplifier and an analog-to-digital converter, the operational amplifier is configured to amplify the feedback signals of the densimeter 210, the viscometer 220, and the thermometer 230 and send the amplified feedback signals to the analog-to-digital converter, and the analog-to-digital converter converts the feedback signals of the densimeter 210, the viscometer 220, and the thermometer 230 from analog signals to digital signals and sends the digital signals to the processing module 800 for operation and processing. The processing module 800 may adopt a microprocessor, and the microprocessor processes the data collected by the densitometer 210, the viscometer 220, and the thermometer 230 and feeds back the processing result to the monitoring module 900. The monitoring module 900 refers to a management background, for example, a field wall-mounted receiving system, a control room DCS/PLC, a mobile terminal, and the like, and data processed by the processing module 800 is sent to the monitoring module 900, so that a worker can check a detection result of transformer oil through the monitoring module 900 and can process the detection result in time when an abnormality is found.
As shown in fig. 2, in some embodiments of the present invention, the online distribution transformer comprehensive testing apparatus further includes a display module 1000, and the display module 1000 is electrically connected to the processing module 800. After the processing module 800 processes the data collected by the densitometer 210, the viscometer 220, and the thermometer 230, the results can be displayed on the display module 1000 for the user to visually observe. The display module 1000 may include a display screen 1010 disposed on a surface of the housing 100.
As shown in fig. 2, in some embodiments of the present invention, the online distribution transformer integrated test apparatus further includes a communication module 1100, and the communication module 1100 is electrically connected to the processing module 800. The communication module 1100 can be an RS485 communication port, or a wireless communication module such as WiFi, bluetooth, 5G, etc., and the data of the processing module 800 can be sent to an upper computer or a mobile terminal through the communication module 1100.
As shown in fig. 2, in some embodiments of the present invention, the online distribution transformer integrated test apparatus further includes a power module 1200, and the power module 1200 is electrically connected to the processing module 800 and the circulation pump 300 respectively. The power module 1200 is used to supply power to the device, so that the device operates normally.
As shown in fig. 2, in some embodiments of the present invention, the online distribution transformer comprehensive testing apparatus further includes an alarm module 1300, and the alarm module 1300 is electrically connected to the processing module 800. The alarm module 1300 can adopt alarm modes such as audible and visual alarms or indicator lights, and when the processing module 800 finds that the detection result is abnormal, the alarm module 1300 can give an alarm to inform workers of equipment maintenance, so that the normal work of the transformer is ensured.
According to the online comprehensive testing device for the distribution transformer, in the working process, a power supply is connected through a power line, at the moment, a display screen 1010 on the surface of a shell 100 is provided with backlight and displays data, a circulating pump 300 starts to work, transformer oil flows into a measuring chamber 200 through a liquid inlet pipe 400 and the circulating pump 300, a densimeter 210, a viscometer 220 and a thermometer 230 in the measuring chamber 200 measure various parameters of the transformer oil, and the measured data are sent to a data acquisition and conversion module 700; the data acquisition and conversion module 700 amplifies and analog-to-digital converts the measurement data of the sensor and then sends the amplified and analog-to-digital converted measurement data to the processing module 800; after the processing module 800 performs operation processing on the measurement data, the result is sent to the display screen 1010 to be displayed, and the result is sent to the monitoring module 900 at the background, so that the staff can check the detection result and timely perform equipment maintenance when abnormality is found.
In the description herein, references to the description of the term "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An online distribution transformer integrated test device, characterized by, includes:
the device comprises a shell, a measuring chamber and a temperature measuring device, wherein the measuring chamber is arranged inside the shell, and a densimeter, a viscometer and a thermometer are arranged inside the measuring chamber;
the circulating pump is arranged inside the shell and is communicated with the inside of the measuring chamber through a pipeline;
the first end of the liquid inlet pipe is communicated with the interior of the transformer, and the second end of the liquid inlet pipe is communicated with the circulating pump;
the first end of drain pipe with the inside intercommunication of measuring the room, the second end of drain pipe be used for with the inside intercommunication of transformer.
2. The on-line distribution transformer comprehensive test device of claim 1, wherein a check valve is disposed on each of the liquid inlet pipe and the liquid outlet pipe.
3. The on-line distribution transformer comprehensive testing device according to claim 1, further comprising a connecting member, wherein the connecting member is adapted to the position of the opening of the transformer, the on-line distribution transformer comprehensive testing device can be detachably connected to the transformer through the connecting member, and the liquid inlet pipe and the liquid outlet pipe are both inserted into the connecting member.
4. The on-line distribution transformer comprehensive test device of claim 1, further comprising:
the data acquisition and conversion module is electrically connected with the densimeter, the viscometer and the thermometer respectively;
the processing module is electrically connected with the data acquisition and conversion module;
and the monitoring module is electrically connected with the processing module.
5. The online distribution transformer comprehensive test device according to claim 4, further comprising a display module, wherein the display module is electrically connected with the processing module.
6. The on-line distribution transformer comprehensive test device of claim 5, wherein the display module comprises a display screen disposed on the surface of the housing.
7. The on-line distribution transformer comprehensive test device according to claim 4, further comprising a communication module, wherein the communication module is electrically connected with the processing module.
8. The on-line distribution transformer comprehensive test device of claim 4, further comprising a power module electrically connected to the processing module and the circulation pump, respectively.
9. The online distribution transformer comprehensive test device according to claim 4, further comprising an alarm module, wherein the alarm module is electrically connected with the processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977607.8U CN218765393U (en) | 2022-11-08 | 2022-11-08 | On-line comprehensive testing device for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977607.8U CN218765393U (en) | 2022-11-08 | 2022-11-08 | On-line comprehensive testing device for distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765393U true CN218765393U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222977607.8U Active CN218765393U (en) | 2022-11-08 | 2022-11-08 | On-line comprehensive testing device for distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765393U (en) |
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- 2022-11-08 CN CN202222977607.8U patent/CN218765393U/en active Active
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