CN207488383U - A kind of novel transformer on-line fault diagnosis detection device - Google Patents

Abstract

The utility model is related to a kind of novel transformer on-line fault diagnosis detection devices,Including transformer body and multiple detectors,It is connect at the top of the detector by connecting rod with the transformer body inner wall,Shell is equipped with outside the detector,The shell side is equipped with multiple cameras,Above the camera multiple LED light are equipped with lower section,The shell side is additionally provided with temperature sensor,The temperature sensor bottom is equipped with temperature probe,The detector inner cavity is equipped with control circuit board,The utility model provides a kind of on-line fault diagnosis detection device for being directed to oil-immersed transformer,The Current Voltage that transformer is detected by current detector and voltage detector changes,When Current Voltage occurs abnormal,Control the alarm lamp and buzzer warning of host connection,Temperature sensor detects the fault signature point temperature change of inside transformer,Detector is equipped with camera and LED light,Image is generated to power transformer interior fault characteristic point,So as to preferably analyze trouble point.

Description

A kind of novel transformer on-line fault diagnosis detection device

Technical field

The utility model is related to a kind of novel transformer on-line fault diagnosis detection devices, belong to transformer fault diagnosis neck Domain.

Background technology

Oil-immersed transformer is also known as oil immersed type testing transformer, is industrial and mining enterprises and the weight in civil buildings power supply-distribution system One of equipment is wanted, in recent years, Chinese power transmission and transformation construction is flourishing, and the statistical data of middle Electricity Federation is shown, from 2006 to 2011 years, the power transformation capacity of 220kV, 330kV and 500kV were respectively with 10.3%, 13.9% and 17.0% Annual average rate of increase high speed development.While power transformation capacity rapid growth, ensure power grid security, stabilization, reliably run The even more most important thing of network operation, the safety of power grid are mainly reflected in two sides of power equipment safety and system operation safety Face, and the safety of power equipment is the first line of defence of power grid security, therefore strengthens the monitoring, maintenance and assessment to transformer, It is that electric network from collapsing and large-area power-cuts are prevented from source, prevents the basis caused huge economic losses, jeopardize social stability, Oil-immersed transformer almost occupies llOKV and more than power transmission network substation because of the advantages such as its capacity is big, loss is low, reliability is high All main transformers and power distribution network in 75% or so distribution transformer, therefore carry out oil-immersed transformer research significance It is far-reaching.

Tradition for the detection method of oil-immersed transformer is had a power failure after empty transformer oil side by side, and testing staff enters transformation It is overhauled inside device, not only maintenance cost is higher, while easily brings pollution into, therefore, seeks a kind of novel transformer detection Equipment improves operational reliability and is of great significance for reducing its maintenance cost.

Utility model content

The utility model proposes a kind of novel transformer on-line fault diagnosis detection devices, solve tradition for oil immersed type The detection method of transformer is had a power failure after empty transformer oil side by side, and testing staff enters inside transformer and overhauled, and not only ties up The problem of it is higher to accomplish this, while easily brings pollution into, the utility model provide a kind of online event for being directed to oil-immersed transformer Barrier diagnosis detection device, the Current Voltage that transformer is detected by current detector and voltage detector change, and work as Current Voltage When occurring abnormal, the alarm lamp and buzzer warning of host connection are controlled, the failure of temperature sensor detection inside transformer is special Sign point temperature change, detector are equipped with camera and LED light, image are generated to power transformer interior fault characteristic point, so as to more Good analysis trouble point.

In order to solve the above-mentioned technical problem, the utility model provides following technical solution：

A kind of novel transformer on-line fault diagnosis detection device of the utility model, including transformer body and multiple detections Device, the detector top are connect by connecting rod with the transformer body inner wall, and shell, institute are equipped with outside the detector Shell side is stated equipped with multiple cameras, the camera top is equipped with multiple LED light with lower section, and the shell side is also set There is temperature sensor, the temperature sensor bottom is equipped with temperature probe, and the detector inner cavity is equipped with control circuit board, described Camera is electrically connected the control circuit board with temperature sensor side, and described control circuit board one end is electrically connected with control Current detector and voltage detector, the current detector has also been electrically connected on the transformer body in host processed The control host is electrically connected with voltage detector side.

As a kind of optimal technical scheme of the utility model, the temperature sensor is S type platinum rhodium thermal resistances WRP- Degree high-temperature corundum pipe thermocouple temperature sensor.

As a kind of optimal technical scheme of the utility model, the detector is set on the event inside the transformer body Hinder in characteristic point.

As a kind of optimal technical scheme of the utility model, the current detector and the transformer body series electrical Property connection, the voltage detector it is in parallel with the transformer body electric connection.

As a kind of optimal technical scheme of the utility model, control host side connection is electrically connected with alarm lamp With buzzer, the control host is PLC controller.

As a kind of optimal technical scheme of the utility model, it is equipped on the outside of the camera and the LED light transparent Protective shell.

The advantageous effect that the utility model is reached is：The utility model provide it is a kind of be directed to oil-immersed transformer Line fault diagnosis testing apparatus, the Current Voltage that transformer is detected by current detector and voltage detector change, and work as electric current When voltage occurs abnormal, the alarm lamp and buzzer warning of control host connection, temperature sensor detect the event of inside transformer Hindering characteristic point temperature change, detector is equipped with camera and LED light, and image is generated to power transformer interior fault characteristic point, from And preferably analyze trouble point.

Description of the drawings

Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：

Fig. 1 is the electric connection figure of the utility model；

Fig. 2 is the transformer body internal structure chart of the utility model.

In figure：1st, transformer body；2nd, detector；3rd, connecting rod；4th, transformer body；5th, camera；6th, LED light；7、 Temperature sensor；8th, temperature probe；9th, control circuit board；10th, host is controlled；11st, current detector；12nd, voltage detector.

Specific embodiment

The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent Embodiment is selected to be only used for describing and explaining the present invention, is not used to limit the utility model.

Embodiment 1

As shown in Figs. 1-2, the utility model provides a kind of novel transformer on-line fault diagnosis detection device, including transformation Device ontology 1 and multiple detectors 2,2 top of detector is connect by connecting rod 3 with 1 inner wall of transformer body, described 2 outside of detector is equipped with shell 4, and 4 side of shell is equipped with multiple cameras 5, and 5 top of camera is equipped with lower section Multiple LED light 6,4 side of shell are additionally provided with temperature sensor 7, and 7 bottom of temperature sensor is equipped with temperature probe 8, institute 2 inner cavity of detector is stated equipped with control circuit board 9, the camera 5 is electrically connected the control electricity with 7 side of temperature sensor Road plate 9, described 9 one end of control circuit board are electrically connected with control host 10, are also electrically connected on the transformer body 1 There are current detector 11 and voltage detector 12, the current detector 11 is electrically connected described with 12 side of voltage detector Control host 10.

The temperature sensor 7 is passed for S type platinum rhodium thermal resistance WRP-130/0-1600 degree high-temperature corundum pipes electric thermo-couple temperature Sensor is a kind of advanced temperature sensor, and the detector 2 is set on the fault signature point inside the transformer body 1, Multiple detectors 2 detect multiple fault signature point temperature changes of inside transformer and image, the current detector 11 and institute It states the series connection of transformer body 1 to be electrically connected, the voltage detector 12 is in parallel with the transformer body 1 to be electrically connected, detection The Current Voltage variation of transformer, the connection of 10 side of the control host are electrically connected with alarm lamp and buzzer, when electric current electricity When extrusion is now abnormal, alarm lamp and buzzer warning that control host 10 connects are described to control host 10 as PLC controller, institute It states camera 5 and is equipped with transparency protected shell with 6 outside of LED light, play a protective role to camera 5 and LED light 6.

When the utility model is used, the Current Voltage of transformer is detected by current detector 11 and voltage detector 12 Variation, and will, data transmission to control host 10, when Current Voltage occurs abnormal, alarm lamp that control host 10 connects and Buzzer warning, temperature sensor 7 detect the fault signature point temperature change of inside transformer, and temperature probe 8 can move, from And the temperature of different depth can be detected, detector 2 is equipped with camera and LED light, and power transformer interior fault characteristic point is produced Raw image, control circuit board 9 transmits data to control host 10, so as to preferably analyze trouble point.

Finally it should be noted that：It these are only the preferred embodiment of the utility model, be not limited to this practicality It is novel, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc. With replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all include It is within the protection scope of the utility model.

Claims (6)

1. a kind of novel transformer on-line fault diagnosis detection device, including transformer body（1）With multiple detectors（2）, It is characterized in that, the detector（2）Top passes through connecting rod（3）With the transformer body（1）Inner wall connects, the detector （2）Outside is equipped with shell（4）, the shell（4）Side is equipped with multiple cameras（5）, the camera（5）Top is equal with lower section Equipped with multiple LED light（6）, the shell（4）Side is additionally provided with temperature sensor（7）, the temperature sensor（7）Bottom is equipped with Temperature probe（8）, the detector（2）Inner cavity is equipped with control circuit board（9）, the camera（5）With temperature sensor（7）One Side is electrically connected the control circuit board（9）, the control circuit board（9）One end is electrically connected with control host（10）, institute State transformer body（1）On current detector has also been electrically connected（11）With voltage detector（12）, the current detecting Device（11）With voltage detector（12）Side is electrically connected the control host（10）.

A kind of 2. novel transformer on-line fault diagnosis detection device according to claim 1, which is characterized in that the temperature Spend sensor（7）For S type platinum rhodium thermal resistance WRP-130/0-1600 degree high-temperature corundum pipe thermocouple temperature sensors.

A kind of 3. novel transformer on-line fault diagnosis detection device according to claim 1, which is characterized in that the inspection Survey device（2）Set on the transformer body（1）On internal fault signature point.

A kind of 4. novel transformer on-line fault diagnosis detection device according to claim 1, which is characterized in that the electricity Current sensor（11）With the transformer body（1）Series connection is electrically connected, the voltage detector（12）With the transformer sheet Body（1）Parallel connection is electrically connected.

A kind of 5. novel transformer on-line fault diagnosis detection device according to claim 1, which is characterized in that the control Host processed（10）Side connection is electrically connected with alarm lamp and buzzer, the control host（10）For PLC controller.

6. a kind of novel transformer on-line fault diagnosis detection device according to claim 1, which is characterized in that described to take the photograph As head（5）With the LED light（6）Outside is equipped with transparency protected shell.