CN116754301A - Device and system for extracting oil from transformer - Google Patents
Device and system for extracting oil from transformer Download PDFInfo
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- CN116754301A CN116754301A CN202310640546.2A CN202310640546A CN116754301A CN 116754301 A CN116754301 A CN 116754301A CN 202310640546 A CN202310640546 A CN 202310640546A CN 116754301 A CN116754301 A CN 116754301A
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- 238000000605 extraction Methods 0.000 claims abstract description 134
- 238000002347 injection Methods 0.000 claims abstract description 59
- 239000007924 injection Substances 0.000 claims abstract description 59
- 239000002699 waste material Substances 0.000 claims abstract description 30
- 238000007599 discharging Methods 0.000 claims description 107
- 238000004891 communication Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 description 23
- 238000012544 monitoring process Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000000945 filler Substances 0.000 description 6
- 238000004880 explosion Methods 0.000 description 5
- 238000012806 monitoring device Methods 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The application discloses a device and a system for extracting oil from a transformer, and relates to the technical field of transformer detection; the device comprises an explosion-proof oil extraction room, an oil extraction unit, a controller, an oil injection pump, an oil discharge unit, an oil discharge pump and a waste oil barrel, wherein the controller, the oil injection pump, the oil discharge unit, the oil discharge pump and the waste oil barrel are positioned in the explosion-proof oil extraction room; the system comprises the oil extraction device and the transformer, and realizes the safety and good effect of transformer oil extraction through an explosion-proof oil extraction house, an oil extraction unit, a controller, an oil injection pump, an oil discharge unit, an oil discharge pump, a waste oil barrel and the like.
Description
Technical Field
The application relates to the technical field of transformer detection, in particular to a device and a system for extracting oil from a transformer.
Background
The writer searches for (tacd= (transformer AND oil taking AND house AND pump AND valve)), AND the closer prior art solution is obtained as follows.
The authorized bulletin number is CN112802660B, and is named as an oil immersed transformer and a transformer temperature control system. Comprising the following steps: the transformer body, the bottom of the transformer body has base assemblies; the heat radiation component is provided with a booster pump and a heat radiation fan; through setting up oil outlet pipe, booster pump and S type cooling tube, be convenient for make the inside oil flow of oil-immersed transformer body, at the in-process that oil flows, through setting up air-supply line, radiator fan, radiator net and air outlet, be convenient for distribute the heat on S type cooling tube surface to make whole transformer have quick radiating effect. The operation rule between the operation data value and the operation average value of the oil-immersed transformer can be configured by a monitoring personnel according to the actual operation state based on the requirement of the monitoring system. The calculation of each oil-immersed transformer can be processed uniformly in the system, so that the conclusion is guaranteed to have a mutual reference value, and uniform monitoring can be realized.
The authorized bulletin number is CN213545107U, and the name is an anti-freezing oil chromatography on-line monitoring device. The on-site device comprises a temperature management module, wherein the temperature management module comprises a temperature control module processor, a power supply controller, a constant temperature unit in a cabinet, an anti-freezing circulation control unit, a node temperature controller and an ambient temperature sensor, an outer pipe is arranged on the outer side of the oil pipe, a sealed anti-freezing cavity is formed between the outer pipe and the oil pipe, anti-freezing liquid is filled in the anti-freezing cavity, the anti-freezing circulation control unit comprises an anti-freezing liquid circulating pump, the anti-freezing liquid circulating pump is communicated with the anti-freezing cavity through a pipeline, and the anti-freezing liquid is controlled to flow in the anti-freezing cavity along the direction opposite to the circulation flow direction of insulating oil in the oil pipe; the method is applied to outdoor oil chromatography monitoring.
The application publication number is CN112327969A, and the name is an anti-freezing oil chromatography on-line monitoring device and an anti-freezing control method thereof. The on-site device comprises a temperature management module, wherein the temperature management module comprises a temperature control module processor, a power supply controller, a constant temperature unit in a cabinet, an anti-freezing circulation control unit, a node temperature controller and an ambient temperature sensor, an outer pipe is arranged on the outer side of the oil pipe, a sealed anti-freezing cavity is formed between the outer pipe and the oil pipe, anti-freezing liquid is filled in the anti-freezing cavity, the anti-freezing circulation control unit comprises an anti-freezing liquid circulating pump, the anti-freezing liquid circulating pump is communicated with the anti-freezing cavity through a pipeline, and the anti-freezing liquid is controlled to flow in the anti-freezing cavity along the direction opposite to the circulation flow direction of insulating oil in the oil pipe; the method is applied to outdoor oil chromatography monitoring.
The application publication number is CN112283435A, and the name is pressure and temperature integrated monitoring assembly and transformer oil tank pressure and temperature monitoring device. The integrated pressure and temperature monitoring assembly comprises: the pressure and temperature sensor integrated assembly is arranged at the inner side of the pressure release valve; the pressure and temperature sensor integrated assembly comprises a pressure sensor and a temperature sensor which are integrated into a whole; the controller is electrically connected with the pressure and temperature sensor integrated assembly and comprises an analog-to-digital converter and a display; the analog-to-digital converter is used for respectively performing analog-to-digital conversion on the pressure signal output by the pressure sensor and the temperature signal output by the temperature sensor; the display is used for receiving the pressure signal and the temperature signal after analog-digital conversion and displaying the numerical values of the pressure and the temperature. The pressure and temperature integrated monitoring assembly of the oil immersed power equipment can monitor the temperature and the pressure of the oil tank in real time, is high-efficiency and integrated, is convenient to install and maintain, and is low in cost.
The authorized bulletin number is CN210776342U, and the name is transformer oil chromatographic online monitoring constant temperature device. The constant temperature transformer solves the problem that an outdoor on-line monitoring device of electrical equipment is affected by environmental temperature change, and the control system of the constant temperature box enables the whole device to operate in a reasonable temperature interval, ensures the stable operation of an on-line monitoring device system, ensures the accuracy of monitoring data, and facilitates correct analysis and mastering of the operation state of the equipment.
In combination with the above five patent documents and prior art schemes, the inventors analyzed the prior art schemes as follows.
According to the 'power transmission and transformation equipment state overhaul test rules', the oil sample of the transformer, namely the shunt reactor, is taken and analyzed regularly and when the operation of the transformer is abnormal. In recent years, the fault frequency of the extra-high voltage transformer has the following problems:
1. the process of taking oil samples has safety risks, and the explosion of oil taking equipment during manual and robot oil taking also causes huge and extra loss to people and oil taking robots.
2. The robot has poor oil extraction stability and low success rate.
3. The oil extraction work is low in efficiency and automation degree.
Problems and considerations in the prior art:
how to solve the technical problem of poor safety of transformer oil.
Disclosure of Invention
The application provides a device and a system for extracting oil from a transformer, which solve the technical problem of poor safety of transformer oil extraction.
In order to solve the technical problems, the technical scheme adopted by the application is as follows:
the device for taking oil from the transformer comprises an explosion-proof oil taking house, an oil taking unit, a controller, an oil injection pump, an oil discharging unit, an oil discharging pump and a waste oil barrel, wherein the controller, the oil injection pump, the oil discharging unit, the oil discharging pump and the waste oil barrel are arranged in the explosion-proof oil taking house, the oil taking unit comprises an oil outlet pipe, an oil discharging pump, an oil discharging control valve, an oil return pipe and an oil return control valve, the oil taking pipe, the oil taking control valve, the oil injecting pipe and the oil injecting control valve are arranged in the explosion-proof oil taking house, one end of the oil outlet pipe is used for being communicated with the transformer through the oil discharging pump and the oil discharging control valve, the other end of the oil return pipe is extended into the explosion-proof oil taking house and is communicated with the oil outlet pipe, one end of the oil taking pipe is communicated with the oil outlet pipe through the oil discharging control valve, the other end of the oil taking pipe is communicated with the oil filling control valve, the other end of the oil discharging pipe is communicated with the oil discharging pump, and the waste oil barrel are respectively and independently connected with the oil discharging pump, the oil discharging control valve and the oil discharging unit, the oil discharging pump and the oil discharging pump.
The further technical proposal is that: the oil discharging unit comprises an oil discharging pipe and an oil discharging control valve, one end of the oil discharging pipe is used for being communicated with the needle tube through the oil discharging control valve, the other end of the oil discharging pipe is communicated with the waste oil barrel through the oil discharging pump, and the controller is electrically connected with the oil discharging control valve.
The further technical proposal is that: the oil extraction unit comprises a first oil extraction unit, a second oil extraction unit and a third oil extraction unit which are identical in structure, wherein the first oil extraction unit comprises a first oil outlet pipe, a first oil outlet pump, a first oil outlet control valve, a first oil return pipe, a first oil return control valve, a first oil extraction pipe positioned in an explosion-proof oil extraction room, a first oil extraction control valve, a first oil injection pipe and a first oil injection control valve; the oil discharging unit comprises a first oil discharging unit, a second oil discharging unit and a third oil discharging unit which are identical in structure, one end of the first oil discharging unit is used for being communicated with the first needle tube, and the other end of the first oil discharging unit is communicated with the waste oil barrel through an oil discharging pump.
The further technical proposal is that: the controller is used for obtaining working instructions and controlling the working states of each valve and each pump, and the oil injection pump and the oil discharge pump are constant delivery pumps.
The further technical proposal is that: the explosion-proof oil extraction device is characterized by further comprising a communication device positioned in the explosion-proof oil extraction room, wherein the controller is connected with the communication device, and the communication device is used for obtaining working instructions and transmitting the working instructions to the controller.
The further technical proposal is that: the oil outlet control valve, the oil return control valve, the oil taking control valve and the oil filling control valve are all electric valves.
The further technical proposal is that: the oil discharge control valve is an electric valve.
The system for extracting oil from the transformer comprises the oil extracting device and further comprises the transformer, wherein one end of an oil outlet pipe is communicated with the transformer through an oil outlet pump and an oil outlet control valve, and one end of an oil return pipe is communicated with the transformer through an oil return control valve.
The further technical proposal is that: the oil-discharging device also comprises a needle tube, one end of the oil-filling tube is communicated with the needle tube through an oil-filling control valve, and one end of the oil-discharging unit is communicated with the needle tube.
The further technical proposal is that: the transformer also comprises an explosion-proof wall, and the explosion-proof wall is fixed beside the transformer.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
first, a device for getting oil from transformer includes explosion-proof oil extraction room and gets oily unit and is located explosion-proof oil extraction room's controller, annotate the oil pump, oil extraction unit, oil drain pump and waste oil bucket, it includes the oil pipe to get oily pump, go out oily control valve, oil return pipe and oil return control valve and be located explosion-proof oil extraction room get oil pipe, get oily control valve, oil pipe and oiling control valve, the one end of oil pipe is used for passing through oil pump and oil outlet control valve intercommunication transformer, the other end stretches into explosion-proof oil extraction room, the one end of oil return pipe is used for passing through oil return control valve intercommunication transformer, the other end stretches into explosion-proof oil extraction room and oil pipe intercommunication, oil extraction pipe's one end is through oil outlet control valve intercommunication to the junction of oil pipe and oil return pipe, the other end and oiling pump intercommunication, the one end of oiling pipe is used for passing through the needle tubing, the other end and oiling pump intercommunication, the other end and waste oil bucket intercommunication are used for the oil extraction, the controller is alone with oil extraction pump, oil extraction control valve, control valve and electrical connection unit. According to the technical scheme, the transformer oil taking safety and good effect are achieved through an explosion-proof oil taking house, an oil taking unit, a controller, an oil injection pump, an oil discharging unit, an oil discharging pump, a waste oil barrel and the like.
Second, a system for getting oil from transformer includes above-mentioned oil extraction device, still includes the transformer, and the one end of play oil pipe is through play oil pump and play oil control valve intercommunication transformer, and the one end of returning oil pipe is through return oil control valve intercommunication transformer. According to the technical scheme, the transformer oil taking safety and good effect are achieved through an explosion-proof oil taking house, an oil taking unit, a controller, an oil injection pump, an oil discharging unit, an oil discharging pump, a waste oil barrel and the like.
See the description of the detailed description section.
Drawings
FIG. 1 is a block diagram of embodiment 1 of the present application;
FIG. 2 is a block diagram of the oil extraction unit of FIG. 1;
FIG. 3 is a schematic block diagram of embodiment 1 of the present application;
fig. 4 is a functional block diagram of embodiment 2 of the present application.
Wherein:
1, an explosion-proof oil taking house;
2, an explosion door;
11 a first oil pump;
12 a second oil pump;
13 a third oil pump;
14, an oil injection pump;
15 oil discharge pumps;
a first valve 21;
a second valve 22;
a third valve 23;
a fourth valve 24;
25 a fifth valve;
a sixth valve 26;
27 a seventh valve;
28 eighth valve;
29 a ninth valve;
210 a tenth valve;
211 eleventh valve;
212 a twelfth valve;
213 a tenth valve;
214 a fourteenth valve;
215 a fifteenth valve;
3, a waste oil drum;
a first transformer 41;
a second transformer 42;
a third transformer 43;
51 a first needle cannula;
52 a second needle cannula;
53 a third needle cannula;
61 a first blast wall;
62 a second blast wall;
63 a third blast wall;
and 64 a fourth explosion-proof wall.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Example 1:
as shown in fig. 1 to 3, the present application discloses an apparatus for extracting oil from a transformer, comprising an explosion-proof oil extraction house 1 and an oil extraction unit, and a controller, a communication device, an oil injection pump 14, an oil extraction unit, an oil discharge pump 15 and a waste oil tank 3, which are located in the explosion-proof oil extraction house 1, wherein the controller is used for obtaining working instructions and controlling the working state of each valve and each pump.
As shown in fig. 1 and 2, the oil extraction unit includes an oil outlet pipe, an oil outlet pump, an oil outlet control valve, an oil return pipe, an oil return control valve, and an oil extraction pipe, an oil extraction control valve, an oil injection pipe, and an oil injection control valve that are located in the explosion-proof oil extraction room 1, and the oil extraction unit includes an oil drain pipe and an oil extraction control valve.
One end of the oil outlet pipe is used for being communicated with the transformer through the oil outlet pump and the oil outlet control valve, the other end of the oil outlet pipe stretches into the explosion-proof oil taking room 1, one end of the oil return pipe is used for being communicated with the transformer through the oil return control valve, the other end of the oil return pipe stretches into the explosion-proof oil taking room 1 to be communicated with the oil outlet pipe, one end of the oil taking pipe is communicated to the joint of the oil outlet pipe and the oil return pipe through the oil outlet control valve, the other end of the oil taking pipe is communicated with the oil injection pump 14, one end of the oil injection pipe is used for being communicated with the needle tube through the oil injection control valve, and the other end of the oil injection pipe is communicated with the oil injection pump 14.
One end of the oil discharging unit is used for communicating with the needle tube, and the other end is communicated with the waste oil barrel 3 through the oil discharging pump 15. One end of the oil drain pipe is used for being communicated with the needle tube through the oil drain control valve, and the other end of the oil drain pipe is communicated with the waste oil barrel 3 through the oil drain pump 15.
The oil extraction unit comprises a first oil extraction unit, a second oil extraction unit and a third oil extraction unit which are identical in structure.
The first oil extraction unit comprises a first oil outlet pipe, a first oil outlet pump, a first oil outlet control valve, a first oil return pipe, a first oil return control valve, a first oil extraction pipe, a first oil extraction control valve, a first oil injection pipe and a first oil injection control valve, wherein the first oil extraction pipe, the first oil extraction control valve, the first oil injection pipe and the first oil injection control valve are positioned in the explosion-proof oil extraction room 1, one end of the first oil outlet pipe is used for being communicated with the first transformer 41 through the first oil outlet pump and the first oil outlet control valve, one end of the first oil return pipe is used for being communicated with the first transformer 41 through the first oil return control valve, the other end of the first oil return pipe is used for being communicated with the first oil injection pipe 51 through the first oil extraction control valve, and one end of the first oil injection pipe is communicated with the oil injection pump 14 through the first oil extraction control valve.
The second oil extraction unit comprises a second oil outlet pipe, a second oil outlet pump, a second oil outlet control valve, a second oil return pipe, a second oil return control valve, a second oil extraction pipe, a second oil extraction control valve, a second oil injection pipe and a second oil injection control valve, wherein the second oil extraction pipe, the second oil extraction control valve, the second oil extraction pipe and the second oil injection control valve are positioned in the explosion-proof oil extraction room 1, one end of the second oil outlet pipe is used for being communicated with the second transformer 42 through the second oil outlet pump and the second oil outlet control valve, the other end of the second oil return pipe is used for being communicated with the second transformer 42 through the second oil return control valve, the other end of the second oil return pipe is used for being communicated with the second oil outlet pipe and the second oil return pipe through the second oil extraction control valve, the other end of the second oil injection pipe is used for being communicated with the second oil injection pipe 52 through the second oil extraction control valve, and the other end of the second oil injection pipe is communicated with the oil injection pump 14.
The third oil extraction unit comprises a third oil outlet pipe, a third oil outlet pump, a third oil outlet control valve, a third oil return pipe and a third oil return control valve, and a third oil extraction pipe, a third oil extraction control valve, a third oil injection pipe and a third oil injection control valve which are positioned in the explosion-proof oil extraction room 1, wherein one end of the third oil outlet pipe is used for being communicated with the third transformer 43 through the third oil outlet pump and the third oil outlet control valve, the other end of the third oil return pipe stretches into the explosion-proof oil extraction room 1, one end of the third oil return pipe is used for being communicated with the third transformer 43 through the third oil return control valve, the other end of the third oil return pipe stretches into the explosion-proof oil extraction room 1 to be communicated with the third oil outlet pipe, one end of the third oil extraction pipe is communicated with the third oil injection pipe 14 through the third oil extraction control valve, one end of the third oil injection pipe is used for being communicated with the third needle pipe 53 through the third oil injection control valve, and the other end of the third oil injection pipe is communicated with the oil injection pump 14.
The oil discharging unit comprises a first oil discharging unit, a second oil discharging unit and a third oil discharging unit which are identical in structure, one end of the first oil discharging unit is used for being communicated with the first needle tube 51, and the other end of the first oil discharging unit is communicated with the waste oil barrel 3 through the oil discharging pump 15. One end of the second oil discharging unit is used for communicating with the second needle tube 52, and the other end is communicated with the waste oil barrel 3 through the oil discharging pump 15. One end of the third oil discharging unit is used for communicating with the third needle pipe 53, and the other end is communicated with the waste oil barrel 3 through the oil discharging pump 15.
The first oil discharging unit comprises a first oil discharging pipe and a first oil discharging control valve, one end of the first oil discharging pipe is used for being communicated with the first needle tube 51 through the first oil discharging control valve, and the other end of the first oil discharging pipe is communicated with the waste oil barrel 3 through the oil discharging pump 15.
The second oil discharging unit comprises a second oil discharging pipe and a second oil discharging control valve, one end of the second oil discharging pipe is used for being communicated with the second needle tube 52 through the second oil discharging control valve, and the other end of the second oil discharging pipe is communicated with the waste oil barrel 3 through the oil discharging pump 15.
The third oil discharging unit comprises a third oil discharging pipe and a third oil discharging control valve, one end of the third oil discharging pipe is used for being communicated with the third needle pipe 53 through the third oil discharging control valve, and the other end of the third oil discharging pipe is communicated with the waste oil barrel 3 through the oil discharging pump 15.
The oil filling pump 14 and the oil discharging pump 15 are both constant displacement pumps.
The oil outlet control valve, the oil return control valve, the oil extraction control valve, the oil injection control valve and the oil discharge control valve are all electric valves.
As shown in fig. 1 and 2, the explosion-proof oil extraction house 1 is provided with an explosion door 2.
The first oil pump 11 is the first oil outlet pump;
a first oil outlet control valve 21;
a first oil return control valve, namely a second valve 22;
a seventh valve 27 as a first oil extraction control valve;
a first oil injection control valve, tenth valve 210;
a second oil pump 12;
a second oil outlet control valve, namely a third valve 23;
a second oil return control valve, namely a fourth valve 24;
a second oil extraction control valve, eighth valve 28;
a second oil filling control valve, i.e., an eleventh valve 211;
a third oil pump 13;
a third oil outlet control valve, namely a fifth valve 25;
a third oil return control valve, sixth valve 26;
a ninth valve 29 as a third oil extraction control valve;
a third oil injection control valve, twelfth valve 212;
a thirteenth valve 213 as the first drain control valve;
a second oil drain control valve, namely a fourteenth valve 214;
the third oil discharge control valve is the fifteenth valve 215.
As shown in fig. 3, the controller is electrically connected to each of the oil discharge pump, the oil discharge control valve, the oil return control valve, the oil extraction control valve, the oil filling pump 14, the oil filling control valve, the oil discharge control valve, and the oil discharge pump 15, and the controller is electrically connected to a communication device for obtaining a working instruction and transmitting the working instruction to the controller.
The control end of the controller is electrically connected with the control end of the first oil pump 11, the control end of the controller is electrically connected with the control end of the second oil pump 12, the control end of the controller is electrically connected with the control end of the third oil pump 13, the control end of the controller is electrically connected with the control end of the oil filling pump 14, the control end of the controller is electrically connected with the control end of the oil discharging pump 15, the control end of the controller is electrically connected with the control end of the first valve 21, the control end of the controller is electrically connected with the control end of the second valve 22, the control end of the controller is electrically connected with the control end of the third valve 23, the control end of the controller is electrically connected with the control end of the fourth valve 24, the control end of the controller is electrically connected with the control end of the fifth valve 25, the control end of the controller is electrically connected with the control end of the sixth valve 26, the control end of the controller is electrically connected with the control end of the seventh valve 27, the control end of the controller is electrically connected with the control end of the eighth valve 28, the control end of the controller is electrically connected with the control end of the ninth valve 29, the control end of the controller 210 is electrically connected with the control end of the tenth valve 212, the electrically connected with the control end of the thirteenth valve 211 is electrically connected with the control end of the thirteenth valve, and the control end of the controller is electrically connected with the control end of the thirteenth valve.
The controller is a single chip microcomputer, and the controller, the oil outlet pump, the oil outlet control valve, the oil return control valve, the oil extraction control valve, the oil injection pump, the oil injection control valve, the oil discharge pump, the communication device and the corresponding communication connection technology are not described in detail in the prior art.
Description of example 1 use:
as shown in fig. 1, the blast walls include a first blast wall 61, a second blast wall 62, a third blast wall 63, and a fourth blast wall 64. The third transformer 43 is located between the first explosion-proof wall 61 and the second explosion-proof wall 62, the second transformer 42 is located between the second explosion-proof wall 62 and the third explosion-proof wall 63, and the first transformer 41 is located between the third explosion-proof wall 63 and the fourth explosion-proof wall 64.
One end of the first oil outlet pipe is communicated with the first transformer 41 through a first oil outlet pump and a first oil outlet control valve, and one end of the first oil return pipe is communicated with the first transformer 41 through a first oil return control valve.
One end of the second oil outlet pipe is communicated with the second transformer 42 through a second oil outlet pump and a second oil outlet control valve, and one end of the second oil return pipe is communicated with the second transformer 42 through a second oil return control valve.
One end of the third oil outlet pipe is communicated with the third transformer 43 through a third oil outlet pump and a third oil outlet control valve, and one end of the third oil return pipe is communicated with the third transformer 43 through a third oil return control valve.
As shown in fig. 2, one end of the first filler pipe is connected to the first needle tube 51 via the first filler control valve, one end of the second filler pipe is connected to the second needle tube 52 via the second filler control valve, and one end of the third filler pipe is connected to the third needle tube 53 via the third filler control valve.
One end of the first oil drain pipe is communicated with the first needle tube 51 through a first oil drain control valve, one end of the second oil drain pipe is communicated with the second needle tube 52 through a second oil drain control valve, and one end of the third oil drain pipe is communicated with the third needle tube 53 through a third oil drain control valve.
And then operates according to the steps used in the following description.
Example 2:
embodiment 2 differs from embodiment 1 in that it further comprises a robot, which is wirelessly connected to the communication device, the robot being adapted to send working instructions to the controller.
As shown in fig. 4, the application discloses a system for extracting oil from a transformer, which comprises an oil extraction device of the embodiment 1, and further comprises a robot, wherein the robot is wirelessly connected with a communication device, and the robot is used for sending working instructions to a controller.
The robots and the communication devices and the corresponding communication connection technology are not described in detail herein for the prior art.
Example 3:
embodiment 3 differs from embodiment 1 in that it further includes a transformer, a needle tube, and an explosion-proof wall.
The application discloses a system for extracting oil from a transformer, which comprises an oil extraction device in embodiment 1, a transformer, a needle tube and an explosion-proof wall, wherein one end of an oil outlet pipe is communicated with the transformer through an oil outlet pump and an oil outlet control valve, and one end of an oil return pipe is communicated with the transformer through an oil return control valve. One end of the oil injection pipe is communicated with the needle tube through the oil injection control valve, and one end of the oil discharge unit is communicated with the needle tube. The explosion-proof wall is fixed beside the transformer.
The research and development process comprises the following steps:
1 technical problem to be solved
In view of the above, the application provides an oil extraction device and system of a transformer, namely a shunt reactor, which solves the problems that when manual oil extraction and robot oil extraction are carried out, the explosion of oil extraction equipment causes huge and extra loss to people and oil extraction robots, and the robot oil extraction stability is poor and the success rate is low.
2 technical proposal
As shown in fig. 1, the transformer and the blast wall are of a conventional structure.
The first transformer 41 is provided with a circulation pipeline, and a loop is formed by the first transformer 41, the pipeline, the first valve 21, the pipeline, the first oil pump 11, the pipeline, the explosion-proof oil extraction house 1, the pipeline, the first oil extraction port, the pipeline, the second valve 22, the pipeline and the first transformer 41.
The same structure is mounted to the second transformer 42 and the third transformer 43.
The explosion-proof oil extraction house 1 is provided with an explosion-proof door 2.
The oil extraction process comprises the following steps:
s1: the first to sixth valves 21 to 26 are opened by remote control, and the other valves are closed.
S2: the first to third oil pumps 11 to 13 are remotely turned on.
S3: and the circulation is carried out for a certain time, so that the original oil sample in the pipeline is completely updated into a fresh oil sample after circulation.
The oil filling pump 14 and the oil discharging pump 15 are fixed displacement pumps, and fixed quantity of oil can flow in each operation.
S4: the first to sixth valves 21 to 26, the first to third oil pumps 11 to 13 are kept in an open state; the seventh valve 27, the tenth valve 210, and the oil filling pump 14 are opened to fill the first needle tube 51 with the fixed amount of oil.
S5: the first to sixth valves 21 to 26, the first to third oil pumps 11 to 13 are kept in an open state; closing the seventh valve 27, the tenth valve 210, and the filling pump 14; the tenth valve 213 is opened, and the oil discharge pump 15 discharges the oil in the first needle tube 51 to the waste oil tank 3.
Repeating S4, S5 once ensures that the first needle tube 51 is filled with fresh oil sample in the first transformer 41.
The same process achieves filling of second syringe 52 with fresh oil sample from second transformer 42.
The same process achieves that the third needle 53 is filled with fresh oil from the third transformer 43.
Automatic oil extraction of the first transformer 41, the second transformer 42 and the third transformer 43 is realized.
3 beneficial effects
Fresh transformer oil samples are introduced into the explosion-proof oil extraction room 1 through a pipeline, a valve and a pump, and the safety of personnel in the explosion-proof room cannot be influenced by the explosion of equipment. The oil extraction device has the advantages of simple structure, stable oil extraction, high success rate and low success rate, and solves the defects of unstable oil extraction and low success rate of the robot. The automatic oil extraction is realized through the control valve and the pump, and the oil extraction efficiency and the automation degree are improved.
After the application runs for a period of time internally, the feedback of field technicians is beneficial in that:
the device for taking oil from the transformer comprises an explosion-proof oil taking house, an oil taking unit, a controller, an oil injection pump, an oil discharging unit, an oil discharging pump and a waste oil barrel, wherein the controller, the oil injection pump, the oil discharging unit, the oil discharging pump and the waste oil barrel are arranged in the explosion-proof oil taking house, the oil taking unit comprises an oil outlet pipe, an oil discharging pump, an oil discharging control valve, an oil return pipe and an oil return control valve, the oil taking pipe, the oil taking control valve, the oil injecting pipe and the oil injecting control valve are arranged in the explosion-proof oil taking house, one end of the oil outlet pipe is used for being communicated with the transformer through the oil discharging pump and the oil discharging control valve, the other end of the oil return pipe is extended into the explosion-proof oil taking house and is communicated with the oil outlet pipe, one end of the oil taking pipe is communicated with the oil outlet pipe through the oil discharging control valve, the other end of the oil taking pipe is communicated with the oil filling control valve, the other end of the oil discharging pipe is communicated with the oil discharging pump, and the waste oil barrel are respectively and independently connected with the oil discharging pump, the oil discharging control valve and the oil discharging unit, the oil discharging pump and the oil discharging pump. The transformer oil taking safety and good effect are realized through an explosion-proof oil taking house, an oil taking unit, a controller, an oil injection pump, an oil discharge unit, an oil discharge pump, a waste oil barrel and the like.
The system for extracting oil from the transformer comprises the oil extracting device and further comprises the transformer, wherein one end of an oil outlet pipe is communicated with the transformer through an oil outlet pump and an oil outlet control valve, and one end of an oil return pipe is communicated with the transformer through an oil return control valve. The transformer oil taking safety and good effect are realized through an explosion-proof oil taking house, an oil taking unit, a controller, an oil injection pump, an oil discharge unit, an oil discharge pump, a waste oil barrel and the like.
At present, the technical scheme of the application has been subjected to pilot-scale test, namely, smaller-scale test of products before large-scale mass production; after the pilot test is completed, the use investigation of the user is performed in a small range, and the investigation result shows that the user satisfaction is higher; now, the preparation of the formal production of the product for industrialization (including intellectual property risk early warning investigation) is started.
Claims (10)
1. An apparatus for extracting oil from a transformer, characterized by: the oil extraction unit comprises an oil extraction pipe, an oil extraction pump, an oil extraction control valve, an oil return pipe and an oil return control valve, and an oil extraction pipe, the oil extraction control valve, the oil injection pipe and the oil injection control valve are arranged in the explosion-proof oil extraction room, one end of the oil extraction pipe is used for being communicated with a transformer through the oil extraction pump and the oil extraction control valve, the other end of the oil extraction pipe extends into the explosion-proof oil extraction room, one end of the oil return pipe is used for being communicated with the transformer through the oil return control valve, the other end of the oil extraction pipe extends into the explosion-proof oil extraction room and is communicated with the oil extraction pipe, one end of the oil extraction pipe is communicated with the oil extraction pipe through the oil extraction control valve, the other end of the oil extraction pipe is communicated with the oil injection pump, one end of the oil extraction pipe is used for being communicated with the oil injection pump through the oil injection control valve needle tube, and the other end of the oil extraction unit is communicated with the oil extraction barrel, and the controller is respectively and independently connected with the oil extraction pump, the oil extraction control valve, the oil return control valve, the oil extraction control valve and the oil extraction unit are electrically.
2. A device for extracting oil from a transformer according to claim 1, characterized in that: the oil discharging unit comprises an oil discharging pipe and an oil discharging control valve, one end of the oil discharging pipe is used for being communicated with the needle tube through the oil discharging control valve, the other end of the oil discharging pipe is communicated with the waste oil barrel through the oil discharging pump, and the controller is electrically connected with the oil discharging control valve.
3. A device for extracting oil from a transformer according to claim 1, characterized in that: the oil extraction unit comprises a first oil extraction unit, a second oil extraction unit and a third oil extraction unit which are identical in structure, wherein the first oil extraction unit comprises a first oil outlet pipe, a first oil outlet pump, a first oil outlet control valve, a first oil return pipe, a first oil return control valve, a first oil extraction pipe positioned in an explosion-proof oil extraction room, a first oil extraction control valve, a first oil injection pipe and a first oil injection control valve; the oil discharging unit comprises a first oil discharging unit, a second oil discharging unit and a third oil discharging unit which are identical in structure, one end of the first oil discharging unit is used for being communicated with the first needle tube, and the other end of the first oil discharging unit is communicated with the waste oil barrel through an oil discharging pump.
4. A device for extracting oil from a transformer according to claim 1, characterized in that: the controller is used for obtaining working instructions and controlling the working states of each valve and each pump, and the oil injection pump and the oil discharge pump are constant delivery pumps.
5. A device for extracting oil from a transformer according to claim 1, characterized in that: the explosion-proof oil extraction device is characterized by further comprising a communication device positioned in the explosion-proof oil extraction room, wherein the controller is connected with the communication device, and the communication device is used for obtaining working instructions and transmitting the working instructions to the controller.
6. A device for extracting oil from a transformer according to claim 1, characterized in that: the oil outlet control valve, the oil return control valve, the oil taking control valve and the oil filling control valve are all electric valves.
7. A device for extracting oil from a transformer according to claim 2, characterized in that: the oil discharge control valve is an electric valve.
8. A system for extracting oil from a transformer, characterized by: the oil extraction device comprises any one of claims 1 to 7, and further comprises a transformer, wherein one end of an oil outlet pipe is communicated with the transformer through an oil outlet pump and an oil outlet control valve, and one end of an oil return pipe is communicated with the transformer through an oil return control valve.
9. A system for extracting oil from a transformer as claimed in claim 8, wherein: the oil-discharging device also comprises a needle tube, one end of the oil-filling tube is communicated with the needle tube through an oil-filling control valve, and one end of the oil-discharging unit is communicated with the needle tube.
10. A system for extracting oil from a transformer as claimed in claim 8, wherein: the transformer also comprises an explosion-proof wall, and the explosion-proof wall is fixed beside the transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310640546.2A CN116754301A (en) | 2023-06-01 | 2023-06-01 | Device and system for extracting oil from transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310640546.2A CN116754301A (en) | 2023-06-01 | 2023-06-01 | Device and system for extracting oil from transformer |
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| Publication Number | Publication Date |
|---|---|
| CN116754301A true CN116754301A (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310640546.2A Pending CN116754301A (en) | 2023-06-01 | 2023-06-01 | Device and system for extracting oil from transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686270A (en) * | 2024-02-02 | 2024-03-12 | 国网江苏省电力有限公司电力科学研究院 | Robot oil extraction detection device and method with leakage prevention and detection functions |
-
2023
- 2023-06-01 CN CN202310640546.2A patent/CN116754301A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117686270A (en) * | 2024-02-02 | 2024-03-12 | 国网江苏省电力有限公司电力科学研究院 | Robot oil extraction detection device and method with leakage prevention and detection functions |
| CN117686270B (en) * | 2024-02-02 | 2024-04-19 | 国网江苏省电力有限公司电力科学研究院 | Robot oil extraction detection device and method with leakage prevention and detection functions |
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