CN105719796A - Silica gel and oil level online monitoring alarm and monitoring method for transformer breather - Google Patents
Silica gel and oil level online monitoring alarm and monitoring method for transformer breather Download PDFInfo
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- CN105719796A CN105719796A CN201610054399.0A CN201610054399A CN105719796A CN 105719796 A CN105719796 A CN 105719796A CN 201610054399 A CN201610054399 A CN 201610054399A CN 105719796 A CN105719796 A CN 105719796A
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- silica gel
- electromagnetic valve
- tank body
- color
- oil level
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/404—Protective devices specially adapted for fluid filled transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a silica gel and oil level online monitoring alarm and monitoring method for a transformer breather. The silica gel and oil level online monitoring alarm comprises a tank body and a three-way pipe, wherein the tank body accommodates silica gel particles; the three-way pipe communicates with the tank body; a lower branch pipe of the three-way pipe is connected with a breather tube of an oil tank; a left branch pipe of the three-way pipe is connected with an air outlet of a hot-air blower; the left branch pipe and the lower branch pipe are provided with a left electromagnetic valve and a lower electromagnetic valve; an oil level color sensor is arranged on an oil level pipe at one side of the oil tank through a bracket; a silica gel color sensor is arranged at one side of the tank body; a conduit communicating with the lower branch pipe is arranged on the lower branch pipe; and a temporary breathing mechanism is connected with one end of the conduit. The color sensors are arranged on the breather and the oil level pipe to judge whether the colors of silica gel and oil are normal or not; and if not, abnormal information is sent out to an operator and allochroic silica gel does not need to be replaced.
Description
Technical field
The present invention relates to transformer breather technical field, particularly to a kind of transformer breather silica gel and oil level online monitoring alarm device and monitoring method.
Background technology
Transformer breather is connected on the conservator of transformator by pipeline, equipped with desiccant inside it, such as silica gel, for the moisture in adsorption filtration discrepancy installation for transformer air, slow down making moist and aoxidizing of transformer insulation oil, to keep the quality of transformer insulation oil, the quality of respiratory organ performance, the length in service life, will directly affect electric equipment reliability of operation.Other disadvantage is that of tradition main transformer respiratory organ, when changing variable color silica gel, after unloading silica gel tank, main transformer respiratory air flow directly communicates with ambient atmosphere, make moisture, moisture easily breathe connecting leg by main transformer to invade in main transformer oil, and change hygroscopic agent and can cause waste, simultaneously also easy contaminated environment.
In prior art, a kind of Novel main transformer depressor breathing equipment disclosed in a kind of respirator for transformer and CN201520462444.7 as disclosed in CN201310029094.0, it is disadvantageous in that: fully rely on operations staff discovering device fault and defect within the prearranged tour cycle, reason due to weather, sometimes the variable color silica gel in respiratory organ can shift to an earlier date variable color, operations staff can not find early, causes environmental pollution and equipment fault, in turn results in power failure and economic loss.If transformator occurs abnormal or changes silica gel not in time, silica gel color relation can become pink, if transformator continues longtime running, will result in Transformer Winding permanent damages.Said apparatus can't monitor oil level, if oil starvation occurs in transformator, oil level instruction will become colourless, if transformator continues to run with, transformator can burn；Transformer Winding misoperation, transformer oil will become deeper color or black, can cause transformer damage；The above-mentioned variable color silica gel adsorption ability of the prior art of what is more important, it is necessary to frequently change variable color silica gel, work consuming, consuming time and expend a lot of, the stability of impact power supply.
Summary of the invention
In view of this, it is an object of the invention to for the deficiencies in the prior art, a kind of transformer breather silica gel and oil level online monitoring alarm device and monitoring method are provided, the present invention installs color sensor on respiratory organ or oil level pipe and judges that whether silica gel and oil color be normal, as color occurs abnormal, namely abnormal information is sent to operations staff, it is possible to judge that whether variable color silica gel and oil is normal accurately, and variable color silica gel need not be changed.
For reaching above-mentioned purpose, the present invention is by the following technical solutions: a kind of transformer breather silica gel system, including the tank body holding silica gel particle and the tee T connected with tank body, the inferior division pipe of described tee T is connected with the air tube of fuel tank, the arm that parts on the left side of described tee T is connected with the air outlet of hot-air blower, described parting on the left side is respectively equipped with left electromagnetic valve and lower electromagnetic valve on arm and inferior division pipe, the oil level pipe of described fuel tank side is provided with oil level color sensor by support, the side of described tank body is provided with silica gel color sensor, described inferior division pipe is provided with conduit in communication, described tube at one end is connected to interim respiration mechanism, described hot-air blower, left electromagnetic valve, lower electromagnetic valve, oil level color sensor and silica gel color sensor are all connected with Programmable Logic Controller, the upper arm of described tee T connects with tank body side, the heating arrangements that quickly stirs it is provided with in described tank body, the described heating arrangements that quickly the stirs spiral propeller that to include being arranged in tank body rotationally connected and be arranged on the driving axle of spiral propeller lower end, described driving axle is provided with blade.
Described interim respiration mechanism includes the balloon being connected with conduit and the support sponge being arranged in balloon, and described conduit is provided with breathing electromagnetic valve, and described breathing electromagnetic valve is connected with Programmable Logic Controller.
Described Programmable Logic Controller is connected to wireless communication module.
Described spiral propeller all adopts variable color silica gel to make.
Described spiral propeller is provided with several through holes, and the diameter of described through hole is less than the diameter of silica gel particle.
It is interconnected between described through hole.
Escape pipe on described tank body is provided with rain cover.
Described rain cover is inverted U structure.
It is provided with sponge in the gas outlet of described rain cover, in the gas outlet of described rain cover, is provided with the pin preventing sponge to be blown.
Gas outlet and the inferior division pipe of described tank body are equipped with drainage screen, and the aperture of drainage screen is less than the diameter of silica gel particle.
A kind of transformator silica gel respiratory organ and oil level on-line monitoring method, comprise the following steps:
1) tank body is installed for the first time, variable color silica gel particle color in tank body is blue, now left closed electromagnetic valve, and lower electromagnetic valve is opened, breathe closed electromagnetic valve, now being opened by breathing electromagnetic valve, extrude balloon with hands and extruded by air, come up balloon, balloon is strutted and is sucked from tank body gas outlet by air by sponge, through the adsorption of silica gel particle, the air entering balloon is dry, and Programmable Logic Controller is closed and breathed electromagnetic valve；
2) when the variable color silica gel particle color in tank body becomes pink, silica gel color sensor detects the color change of silica gel particle, by now variable color silica gel particle color transmission to Programmable Logic Controller, closed electromagnetic valve under Controlled by Programmable Controller, left electromagnetic valve is opened, breathing electromagnetic valve is opened, hot-air blower work simultaneously, hot blast enters tank body band moving vane and rotates, blade rotates band dynamic spiral propeller and rotates, silica gel particle in tank body is stirred, make silica gel particle be heated evenly and can all heat, when silica gel color is become blue by redness, silica gel color sensor by the color transmission of silica gel particle to Programmable Logic Controller, programmable controller controls hot-air blower and closes, left closed electromagnetic valve, breathe closed electromagnetic valve, lower electromagnetic valve is opened；
3) when the oil level of fuel tank is lower than minimum, now the oil level color sensor on oil level pipe detects that oil level pipe is colourless, the color that Programmable Logic Controller contrast receives is with to store color the same, oil level color sensor transmits information to wireless communication module, and wireless communication module transmits information to backstage.
Further, when the oil in fuel tank becomes black, now the oil level color sensor on oil level pipe detects that oil level pipe is black, the color that Programmable Logic Controller contrast receives is with to store color the same, oil level color sensor transmits information to wireless communication module, and wireless communication module transmits information to backstage.
Further, the silica gel particle of the present invention adopts the special variable color silica gel of transformator, in parts by weight, it is prepared from by following component, silica 1 80～200 parts, 10～15 parts of heat discoloration powder, hydroxyl polysiloxane 20～30 parts, calcium stearate 8～12 parts, dibutyltin diacetate 15～23 parts, benzyl p-hydroxybenzoate 5～8 parts, crystal violet lactone 12～18 parts.
Heat discoloration powder adopts methyl blue.
Beneficial effects of the present invention: when the silica gel color of the present invention is normal; the frequency values that color sensor exports is stored in Programmable Logic Controller; causing color to change if silica gel loses efficacy, Programmable Logic Controller will contrast new color and store the difference of color, makes normal or abnormal judgement.If silica gel color exception, gsm module is just utilized to give notice to operations staff.When the variable color silica gel particle color in tank body becomes pink, silica gel color sensor detects the color change of silica gel particle, by now variable color silica gel particle color transmission to Programmable Logic Controller, closed electromagnetic valve under Controlled by Programmable Controller, left electromagnetic valve is opened, hot-air blower work simultaneously, hot blast enters tank body band dynamic spiral propeller and rotates, spiral propeller rotates and is stirred by the silica gel particle in tank body, make silica gel particle be heated evenly and can all heat, when silica gel color is become blue by redness, silica gel color sensor by the color transmission of silica gel particle to Programmable Logic Controller, programmable controller controls hot-air blower and closes, left closed electromagnetic valve, lower electromagnetic valve is opened；The hot-air blower leaving air temp of the present invention is maintained at 115 degree, temperature is easily damaged the absorption property of silica gel particle more than 115 degree, A tank body that two tank volume are equally big and B tank body, the silica gel particle that A tank body is the same and same with the silica gel volume of fill in B tank body, A tank body adopts the structure of the present invention, the difference of B tank body and A tank body is not to be not provided with quick heating arrangements, heating arrangements is identical, time needed for silica gel in A tank body is reduced into blueness is that in B tank body, silica gel is reduced into the time 0.62 times needed for blueness, and the silica gel particle more than 99.98% in A tank body is blue, and the silica gel particle in B tank body only has 78.23% for blueness.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Embodiment 1: as shown in Figure 1, a kind of transformator silica gel respirator system, including the tank body 7 holding silica gel particle 11 and the tee T 10 connected with tank body 7, the inferior division pipe of described tee T 10 is connected with the air tube of fuel tank 1, the arm that parts on the left side of described tee T 10 is connected with the air outlet of hot-air blower 2, described parting on the left side is respectively equipped with left electromagnetic valve 5 and lower electromagnetic valve 12 on arm and inferior division pipe, the oil level pipe 15 of described fuel tank 1 side is provided with oil level color sensor 18 by support, the side of described tank body 7 is provided with silica gel color sensor 17, described inferior division pipe is provided with conduit 21 in communication, described conduit 21 one end is connected to interim respiration mechanism, described hot-air blower 2, left electromagnetic valve 5, lower electromagnetic valve 12, oil level color sensor 18 and silica gel color sensor 17 are all connected with Programmable Logic Controller 13, it is provided with, in described tank body 7, the heating arrangements that quickly stirs, the described heating arrangements that quickly stirs includes being arranged on spiral propeller 6 rotationally connected in tank body 7 and being arranged on the driving axle 8 of spiral propeller 6 lower end, described driving axle 8 is provided with blade 9.
Described interim respiration mechanism includes the balloon 22 being connected with conduit 21 and the support sponge 23 being arranged in balloon 22, and described conduit is provided with breathing electromagnetic valve 20, and described breathing electromagnetic valve is connected with Programmable Logic Controller.Support addition is balloon maximum volume 1/2nd of sponge, it is simple to fuel tank absorbs the dry gas in balloon, simultaneously facilitate balloon and receive the gas in fuel tank.
Described balloon is arranged in protective cover, and protective cover has steam vent, plays the effect of protection balloon.
Described spiral propeller 6 all adopts variable color silica gel to make.
Described spiral propeller 6 is provided with several through holes, and the diameter of described through hole is less than the diameter of silica gel particle, it is prevented that silica gel particle enters through hole.
Being interconnected between described through hole, the through entrance spiral propeller good heat dissipation effect of steam, spiral propeller is heated evenly.
Escape pipe on described tank body 7 is provided with rain cover 4, it is prevented that rainwater enters tank body.
Described rain cover 4 is inverted U structure.
It is provided with sponge 3 in the gas outlet of described rain cover 4, in the gas outlet of described rain cover, is provided with the pin preventing sponge to be blown.
Described spiral propeller is vertically installed at tank body center, and the distance of described spiral propeller both sides distance inner tank wall respectively is 1.5-1.9 times of silica gel particle diameter.Being easy to silica gel particle quickly fall, what is more important is easy to granule all quick homogeneous heating, and described tank body lower part is funnel-form, it is simple to granule is pushed to by spiral propeller.
Described oil level color sensor 18 and silica gel color sensor 17 all adopt TCS230 color sensor, 64 photodiodes are had in sensor, interim 16 photodiodes are with red filter, 16 photodiodes are with green filter, 16 photodiodes are with blue electric-wave filter, all the other 16 without any wave filter, whole optical informations can be passed through, during work, draw programming pin by two and dynamically select required wave filter, when a selected color filter, it only allows certain specific primary colors to pass through, stop passing through of other primary colors；When incident illumination projects on TCS230, controlled the various combination of pin by photodiode, it is possible to select different wave filter, be then passed through electric current after frequency converter, export the square wave of different frequency, the square wave of different colors different frequency corresponding to light intensity.Then according to light mixing principle (namely any light is all formed by three kinds of color mixture of red, green, blue), the different colours that projection light sends is identified.Tank body and oil level pipe are provided with LED, adopt sound-optical controller to control LED operation, LED alignment silica gel, and playing light increases and night illumination effect, and throw light is through silica gel back reflection to color sensor surface, the RGB three primary colours that color sensor output is different.
A kind of transformator silica gel respiratory organ and oil level on-line monitoring method, comprise the following steps:
1) tank body is installed for the first time, variable color silica gel particle color in tank body is blue, now left closed electromagnetic valve, and lower electromagnetic valve is opened, breathe closed electromagnetic valve, now being opened by breathing electromagnetic valve, extrude balloon with hands and extruded by air, come up balloon, balloon is strutted and is sucked from tank body gas outlet by air by sponge, through the adsorption of silica gel particle, the air entering balloon is dry, and Programmable Logic Controller is closed and breathed electromagnetic valve；
2) when the variable color silica gel particle color in tank body becomes pink, silica gel color sensor detects the color change of silica gel particle, by now variable color silica gel particle color transmission to Programmable Logic Controller, closed electromagnetic valve under Controlled by Programmable Controller, left electromagnetic valve is opened, breathing electromagnetic valve is opened, hot-air blower work simultaneously, hot blast enters tank body band moving vane and rotates, blade rotates band dynamic spiral propeller and rotates, silica gel particle in tank body is stirred, make silica gel particle be heated evenly and can all heat, when silica gel color is become blue by redness, silica gel color sensor by the color transmission of silica gel particle to Programmable Logic Controller, programmable controller controls hot-air blower and closes, left closed electromagnetic valve, breathe closed electromagnetic valve, lower electromagnetic valve is opened；
3) when the oil level of fuel tank is lower than minimum, now the oil level color sensor on oil level pipe detects that oil level pipe is colourless, the color that Programmable Logic Controller contrast receives is the same with storing color (colourless), oil level color sensor transmits information to wireless communication module, and wireless communication module transmits information to backstage.
Further, when the oil in fuel tank becomes black, now the oil level color sensor on oil level pipe detects that oil level pipe is black, the color that Programmable Logic Controller contrast receives is the same with storing color (black), oil level color sensor transmits information to wireless communication module, and wireless communication module transmits information to backstage.
The silica gel particle of the present invention adopts variable color silica gel, and it is prepared from by following component, silica 1 80 parts, 10 parts of heat discoloration powder, hydroxyl polysiloxane 20 parts, calcium stearate 8 parts, dibutyltin diacetate 15 parts, benzyl p-hydroxybenzoate 5 parts, crystal violet lactone 12 parts.Heat discoloration powder adopts methyl blue.
Embodiment 2: as shown in Figure 1, a kind of transformator silica gel respirator system, including the tank body 7 holding silica gel particle 11 and the tee T 10 connected with tank body 7, the inferior division pipe of described tee T 10 is connected with the air tube of fuel tank 1, the arm that parts on the left side of described tee T 10 is connected with the air outlet of hot-air blower 2, described parting on the left side is respectively equipped with left electromagnetic valve 5 and lower electromagnetic valve 12 on arm and inferior division pipe, the oil level pipe 15 of described fuel tank 1 side is provided with oil level color sensor 18 by support, the side of described tank body 7 is provided with silica gel color sensor 17, described inferior division pipe is provided with conduit 21 in communication, described conduit 21 one end is connected to interim respiration mechanism, described hot-air blower 2, left electromagnetic valve 5, lower electromagnetic valve 12, oil level color sensor 18 and silica gel color sensor 17 are all connected with Programmable Logic Controller 13, it is provided with, in described tank body 7, the heating arrangements that quickly stirs, the described heating arrangements that quickly stirs includes being arranged on spiral propeller 6 rotationally connected in tank body 7 and being arranged on the driving axle 8 of spiral propeller 6 lower end, described driving axle 8 is provided with blade 9.
Described interim respiration mechanism includes the balloon 22 being connected with conduit 21 and the support sponge 23 being arranged in balloon 22, and described conduit is provided with breathing electromagnetic valve 20, and described breathing electromagnetic valve is connected with Programmable Logic Controller.Support addition is balloon maximum volume 1/2nd of sponge, it is simple to fuel tank absorbs the dry gas in balloon, simultaneously facilitate balloon and receive the gas in fuel tank.
Described balloon is arranged in protective cover, and protective cover has steam vent, plays the effect of protection balloon.
Escape pipe on described tank body 7 is provided with rain cover 4, it is prevented that rainwater enters tank body.
Described rain cover 4 is inverted U structure.
It is provided with sponge 3 in the gas outlet of described rain cover 4, in the gas outlet of described rain cover, is provided with the pin preventing sponge to be blown.
The silica gel particle of the present invention adopts the special variable color silica gel of transformator, in parts by weight, it is prepared from by following component, silicon dioxide 200 parts, 15 parts of heat discoloration powder, hydroxyl polysiloxane 30 parts, calcium stearate 12 parts, dibutyltin diacetate 23 parts, benzyl p-hydroxybenzoate 8 parts, crystal violet lactone 18 parts.Heat discoloration powder adopts methyl blue.
Embodiment 3: as shown in Figure 1, a kind of transformator silica gel respirator system, including the tank body 7 holding silica gel particle 11 and the tee T 10 connected with tank body 7, the inferior division pipe of described tee T 10 is connected with the air tube of fuel tank 1, the arm that parts on the left side of described tee T 10 is connected with the air outlet of hot-air blower 2, described parting on the left side is respectively equipped with left electromagnetic valve 5 and lower electromagnetic valve 12 on arm and inferior division pipe, the oil level pipe 15 of described fuel tank 1 side is provided with oil level color sensor 18 by support, the side of described tank body 7 is provided with silica gel color sensor 17, described inferior division pipe is provided with conduit 21 in communication, described conduit 21 one end is connected to interim respiration mechanism, described hot-air blower 2, left electromagnetic valve 5, lower electromagnetic valve 12, oil level color sensor 18 and silica gel color sensor 17 are all connected with Programmable Logic Controller 13, it is provided with, in described tank body 7, the heating arrangements that quickly stirs, the described heating arrangements that quickly stirs includes being arranged on spiral propeller 6 rotationally connected in tank body 7 and being arranged on the driving axle 8 of spiral propeller 6 lower end, described driving axle 8 is provided with blade 9.
Described interim respiration mechanism includes the balloon 22 being connected with conduit 21 and the support sponge 23 being arranged in balloon 22, and described conduit is provided with breathing electromagnetic valve 20, and described breathing electromagnetic valve is connected with Programmable Logic Controller.Support addition is balloon maximum volume 1/2nd of sponge, it is simple to fuel tank absorbs the dry gas in balloon, simultaneously facilitate balloon and receive the gas in fuel tank.
Described balloon is arranged in protective cover, and protective cover has steam vent, plays the effect of protection balloon.
Described spiral propeller 6 all adopts variable color silica gel to make.
Described spiral propeller 6 is provided with several through holes, and the diameter of described through hole is less than the diameter of silica gel particle, it is prevented that silica gel particle enters through hole.
Being interconnected between described through hole, the through entrance spiral propeller good heat dissipation effect of steam, spiral propeller is heated evenly.
The silica gel particle of the present invention adopts the special variable color silica gel of transformator, in parts by weight, it is prepared from by following component, silica 1 90 parts, 12 parts of heat discoloration powder, hydroxyl polysiloxane 25 parts, calcium stearate 10 parts, dibutyltin diacetate 20 parts, benzyl p-hydroxybenzoate 6 parts, crystal violet lactone 5 parts.Heat discoloration powder adopts methyl blue.
Embodiment 4: as shown in Figure 1, a kind of transformator silica gel respirator system, including the tank body 7 holding silica gel particle 11 and the tee T 10 connected with tank body 7, the inferior division pipe of described tee T 10 is connected with the air tube of fuel tank 1, the arm that parts on the left side of described tee T 10 is connected with the air outlet of hot-air blower 2, described parting on the left side is respectively equipped with left electromagnetic valve 5 and lower electromagnetic valve 12 on arm and inferior division pipe, the oil level pipe 15 of described fuel tank 1 side is provided with oil level color sensor 18 by support, the side of described tank body 7 is provided with silica gel color sensor 17, described inferior division pipe is provided with conduit 21 in communication, described conduit 21 one end is connected to interim respiration mechanism, described hot-air blower 2, left electromagnetic valve 5, lower electromagnetic valve 12, oil level color sensor 18 and silica gel color sensor 17 are all connected with Programmable Logic Controller 13, it is provided with, in described tank body 7, the heating arrangements that quickly stirs, the described heating arrangements that quickly stirs includes being arranged on spiral propeller 6 rotationally connected in tank body 7 and being arranged on the driving axle 8 of spiral propeller 6 lower end, described driving axle 8 is provided with blade 9.
Described interim respiration mechanism includes the balloon 22 being connected with conduit 21 and the support sponge 23 being arranged in balloon 22, and described conduit is provided with breathing electromagnetic valve 20, and described breathing electromagnetic valve is connected with Programmable Logic Controller.Support addition is balloon maximum volume 1/2nd of sponge, it is simple to fuel tank absorbs the dry gas in balloon, simultaneously facilitate balloon and receive the gas in fuel tank.
Described spiral propeller 6 all adopts variable color silica gel to make.
Described spiral propeller 6 is provided with several through holes, and the diameter of described through hole is less than the diameter of silica gel particle, it is prevented that silica gel particle enters through hole.
Being interconnected between described through hole, the through entrance spiral propeller good heat dissipation effect of steam, spiral propeller is heated evenly.
Escape pipe on described tank body 7 is provided with rain cover 4, it is prevented that rainwater enters tank body.
Described rain cover 4 is inverted U structure.
It is provided with sponge 3 in the gas outlet of described rain cover 4, in the gas outlet of described rain cover, is provided with the pin preventing sponge to be blown.
The silica gel particle of the present invention adopts the special variable color silica gel of transformator, in parts by weight, it is prepared from by following component, silica 1 95 parts, 14 parts of heat discoloration powder, hydroxyl polysiloxane 27 parts, calcium stearate 11 parts, dibutyltin diacetate 20 parts, benzyl p-hydroxybenzoate 7 parts, crystal violet lactone 16 parts.Heat discoloration powder adopts methyl blue.Being separately mounted on two adjacent transformators by two assembly of the invention C, D, the silica gel particle of the built-in embodiment 4 of C tank body, silica gel particle of the prior art in D tank body, the built-in silica gel particle amount of two tank bodies is identical, and the time that C uses is 1.36 times of D.
What finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, other amendments that technical scheme is made by those of ordinary skill in the art or equivalent replace, without departing from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of scope of the presently claimed invention.
Claims (10)
1. a transformer breather silica gel system, it is characterized in that: include the tank body holding silica gel particle and the tee T connected with tank body, the inferior division pipe of described tee T is connected with the air tube of fuel tank, the arm that parts on the left side of described tee T is connected with the air outlet of hot-air blower, described parting on the left side is respectively equipped with left electromagnetic valve and lower electromagnetic valve on arm and inferior division pipe, the oil level pipe of described fuel tank side is provided with oil level color sensor by support, the side of described tank body is provided with silica gel color sensor, described inferior division pipe is provided with conduit in communication, described tube at one end is connected to interim respiration mechanism, described hot-air blower, left electromagnetic valve, lower electromagnetic valve, oil level color sensor and silica gel color sensor are all connected with Programmable Logic Controller, the upper arm of described tee T connects with tank body side, the heating arrangements that quickly stirs it is provided with in described tank body, the described heating arrangements that quickly the stirs spiral propeller that to include being arranged in tank body rotationally connected and be arranged on the driving axle of spiral propeller lower end, described driving axle is provided with blade.
2. transformer breather silica gel system as claimed in claim 1, it is characterized in that: described interim respiration mechanism includes the balloon being connected with conduit and the support sponge being arranged in balloon, described conduit is provided with breathing electromagnetic valve, and described breathing electromagnetic valve is connected with Programmable Logic Controller.
3. transformer breather silica gel system as claimed in claim 2, it is characterised in that: described Programmable Logic Controller is connected to wireless communication module.
4. transformer breather silica gel system as claimed in claim 1, it is characterised in that: described spiral propeller all adopts variable color silica gel to make.
5. transformer breather silica gel system as claimed in claim 4, it is characterised in that: described spiral propeller is provided with several through holes, and the diameter of described through hole is less than the diameter of silica gel particle.
6. transformer breather silica gel system as claimed in claim 5, it is characterised in that: it is interconnected between described through hole.
7. transformer breather silica gel system as claimed in claim 1, it is characterised in that: the escape pipe on described tank body is provided with rain cover.
8. transformer breather silica gel system as claimed in claim 7, it is characterised in that: described rain cover is inverted U structure.
9. transformer breather silica gel system as claimed in claim 8, it is characterised in that: it is provided with sponge in the gas outlet of described rain cover, in the gas outlet of described rain cover, is provided with the pin preventing sponge to be blown.
10. a transformator silica gel respiratory organ and oil level on-line monitoring method, it is characterised in that: comprise the following steps:
1) tank body is installed for the first time, variable color silica gel particle color in tank body is blue, now left closed electromagnetic valve, and lower electromagnetic valve is opened, breathe closed electromagnetic valve, now being opened by breathing electromagnetic valve, extrude balloon with hands and extruded by air, come up balloon, balloon is strutted and is sucked from tank body gas outlet by air by sponge, through the adsorption of silica gel particle, the air entering balloon is dry, and Programmable Logic Controller is closed and breathed electromagnetic valve；
2) when the variable color silica gel particle color in tank body becomes pink, silica gel color sensor detects the color change of silica gel particle, by now variable color silica gel particle color transmission to Programmable Logic Controller, closed electromagnetic valve under Controlled by Programmable Controller, left electromagnetic valve is opened, breathing electromagnetic valve is opened, hot-air blower work simultaneously, hot blast enters tank body band moving vane and rotates, blade rotates band dynamic spiral propeller and rotates, silica gel particle in tank body is stirred, make silica gel particle be heated evenly and can all heat, when silica gel color is become blue by redness, silica gel color sensor by the color transmission of silica gel particle to Programmable Logic Controller, programmable controller controls hot-air blower and closes, left closed electromagnetic valve, breathe closed electromagnetic valve, lower electromagnetic valve is opened；
3) when the oil level of fuel tank is lower than minimum, now the oil level color sensor on oil level pipe detects that oil level pipe is colourless, the color that Programmable Logic Controller contrast receives is with to store color the same, oil level color sensor transmits information to wireless communication module, and wireless communication module transmits information to backstage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054399.0A CN105719796B (en) | 2016-01-27 | 2016-01-27 | Transformer breather silica gel and oil level online monitoring alarm device and monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054399.0A CN105719796B (en) | 2016-01-27 | 2016-01-27 | Transformer breather silica gel and oil level online monitoring alarm device and monitoring method |
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| CN105719796A true CN105719796A (en) | 2016-06-29 |
| CN105719796B CN105719796B (en) | 2017-12-22 |
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| CN (1) | CN105719796B (en) |
Cited By (5)
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| CN108417357A (en) * | 2018-05-15 | 2018-08-17 | 江苏亚威变压器有限公司 | It is a kind of based on the oil immersed power transformer of Internet of Things early warning type respirator |
| CN110411984A (en) * | 2019-09-03 | 2019-11-05 | 南京无书化工有限公司 | A kind of transformer oil turbidity and colorimetric detection integrated transducer |
| CN110864927A (en) * | 2019-12-05 | 2020-03-06 | 广东电网有限责任公司 | Pneumatic characteristic testing platform and method for transformer breathing system |
| CN114023538A (en) * | 2021-11-12 | 2022-02-08 | 贵州电网有限责任公司 | Transformer respirator capable of improving drying efficiency |
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