CN208433281U - A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things - Google Patents
A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things Download PDFInfo
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- CN208433281U CN208433281U CN201721793630.4U CN201721793630U CN208433281U CN 208433281 U CN208433281 U CN 208433281U CN 201721793630 U CN201721793630 U CN 201721793630U CN 208433281 U CN208433281 U CN 208433281U
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- distribution transformer
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Abstract
The online dehydration device of vegetable oil distribution transformer based on Internet of Things that the utility model discloses a kind of, including heating in vacuum tank and attached control system, temperature sensor and electric heater are fixedly installed in heating in vacuum tank, the bottom and middle and upper part of heating in vacuum tank are fixedly connected with the 4th pipeline and second pipe and are connected respectively by the 4th solenoid valve and second solenoid valve and the installation of vegetable oil distribution transformer, it is fixedly connected with first pipe at the top of heating in vacuum tank and is connected by the first solenoid valve and overflow tank installation, it is fixedly connected with third pipeline at the top of overflow tank and is connected by third solenoid valve and minipump installation.The utility model is isolated Activities of Some Plants oil from vegetable oil distribution transformer and carries out heating in vacuum dehydration by technology of Internet of things, so that the water content of vegetable oil is in stable level of security always, when utility model works, no air is contacted with vegetable oil；There is no gas to enter inside transformer；The vegetable oil temperature difference for passing in and out transformer is small.
Description
Technical field
The utility model relates to transformer technology, vegetable oil dehydration technique and internet of things field, specially a kind of
The online dehydration device of vegetable oil distribution transformer.
Background technique
Vegetable oil distribution transformer is that the iron core of transformer and winding are immersed in vegetable oil, and serve as insulation using vegetable oil
The transformer of medium and heat eliminating medium is a type of oil-immersed transformer.Distribution transformer is from plant species with vegetable oil
Grease is extracted in son or other suitable biomaterials, main component is triglycerides.With traditional distribution transformer mine
Object oil is compared, and the parameters such as flash-point, specific heat, pyroconductivity, coefficient of expansion of vegetable oil are better than mineral oil.The flash-point of vegetable oil is
315 DEG C or so, 140 DEG C of flash-point than mineral oil are higher by more than one times, can use in the high occasion of fire protection requirement；The life of vegetable oil
Object degradation capability is almost 100%, once leakage, which occurs, will not pollute environment.The insulation system of oil-immersed transformer is oilpaper
Insulation, the quality of paper oil insulation performance directly affect operational safety and the service life of transformer.A large amount of thermal aging test shows
Insulating paper heat ageing insulation life in vegetable oil is more much longer than the insulating paper heat ageing insulation life in mineral oil, original therein
Water imbibition because being vegetable oil is stronger than mineral oil, and under similarity condition, the water content ratio for the insulating paper being immersed in vegetable oil is immersed in
The water content of insulating paper in mineral oil is much lower.Although vegetable oil distribution transformer is all-sealed structure, under normal circumstances
Extraneous aqueous vapor will decompose during insulating paper natural aging into not inside transformer, but over time and generate water
The gases such as molecule and carbon monoxide and carbon dioxide, moisture are absorbed by vegetable oil immediately.When the water content in vegetable oil reaches full
After value, do not absorb moisture not only, and vegetable oil itself as dielectric loss increase, will under the action of field strength
Accelerated deterioration decomposes and generates a large amount of hydrocarbon gas and moisture, influences the safe operation of transformer.It can be seen that vegetable oil is matched
Micro-water content and safe operation and service life in piezoelectric transformer have direct relation, and vegetable oil water content is lower, and its service life is longer.
Using the characteristic of vegetable oil high temperature dehydration, an online dehydration device of vegetable oil distribution transformer is designed, in not shadow
It rings under transformer normal operation, according to monitoring or analysis as a result, using technology of Internet of things, is controlled by wireless telecommunications and backstage
The mode of system, to certain or certain batch of vegetable oil distribution transformer implements online dehydration, and fraction plant is isolated from transformer
Oil carries out heating in vacuum dehydration, then dewatered vegetable oil Natural Circulation is entered in total oil, so that totally planting in transformer
The micro-water content of object oil is in stable reduced levels always, realizes the long-term safety operation of vegetable oil distribution transformer.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of vegetable oil distribution transformer based on Internet of Things and exists
Line dehydration device is solved after the water content in vegetable oil reaches saturation value, is not absorbed not only in insulating paper ageing process
Decompose generate hydrone, and vegetable oil itself as dielectric loss increase, will accelerate under the action of field strength bad
The problem of changing, decomposing and generate a large amount of hydrocarbon gas and moisture, influence the safe operation of transformer.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of vegetable oil distribution based on Internet of Things
The online dehydration device of transformer, the control system including heating in vacuum tank and overflow tank and attached heating in vacuum tank are described
First pipe is fixedly connected at the top of heating in vacuum tank, installation is connected with the first solenoid valve in the first pipe, described true
The middle and upper part of empty heating tank is fixedly connected with second pipe, and installation is connected with second solenoid valve on the second pipe, and described the
The top installation of one solenoid valve is connected with overflow tank, and third pipeline is fixedly connected on the overflow tank, and the third pipeline connects
It connects and third solenoid valve is installed, the third solenoid valve is connected and installed with minipump, and the bottom of the heating in vacuum tank is solid
Surely it is connected with the 4th pipeline, installation is connected with the 4th solenoid valve on the 4th pipeline, and the vegetable oil distribution transformer is fixed
Be connected with the first pipe fitting and the second pipe fitting, first pipe fitting and the second pipe fitting respectively with second solenoid valve and the 4th
Solenoid valve installation connects, and vegetable oil is injected with inside the vegetable oil distribution transformer, is fixedly mounted in the heating in vacuum tank
There are temperature sensor and electric heater.
The control system includes field controller, the input terminal of the field controller and temperature sensor and power supply
Output end electrical connection, the output end and electric heater, minipump, the first solenoid valve, the second electromagnetism of the field controller
The input terminal of valve, third solenoid valve and the 4th solenoid valve is electrically connected, and the field controller passes through Internet of Things server and backstage
The connection of controlling terminal signal.The second solenoid valve and the 4th solenoid valve are normally opened, first solenoid valve and third solenoid valve
It is normally closed.
Preferably, the first pipe fitting of the vegetable oil distribution transformer and the second pipe fitting are located at vegetable oil distribution transformer
The bottom of device side, perpendicular distribution up and down.
Preferably, the field controller is made of wireless communication module, PLC programmable controller and software.
Preferably, the input terminal of the field controller is electrically connected with the output end of power supply, and the power supply is that can pass through change
The modes such as pressure, rectification are converted into the power frequency supply of other AC, direct supply.
Preferably, the probe position of the temperature sensor is located at the center of heating in vacuum tank.
Preferably, the electric heater is located at heating in vacuum pot bottom center.
Preferably, the volume of the overflow tank is the 1/20-1/10 of heating in vacuum tank volume, and the volume of overflow tank is preferred
It is the 1/15 of heating in vacuum tank volume.
Preferably, the volume of the heating in vacuum tank is the 1/200-1/100 of vegetable oil distribution transformer volume.
(3) beneficial effect
The utility model provides a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things.Have following
The utility model has the advantages that
(1), it is de- to carry out circulation to the vegetable oil in vegetable oil distribution transformer by technology of Internet of things for the utility model
Water realizes vegetable oil transformer so that the water content in vegetable oil distribution transformer is in stable reduced levels always
Long-term safety operation.
(2), when a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things of the utility model works, do not have
Air is contacted with vegetable oil.
(3), when a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things of the utility model works, do not have
Gas enters inside transformer.
(4), when a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things of the utility model works, disengaging
The vegetable oil temperature difference of transformer is small.
(5), the utility model full-automation intelligent work, and do not influence transformer normal operation at work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the section structure of the utility model heating in vacuum tank front view；
Fig. 3 is the control system block diagram of the utility model.
In figure: 1 heating in vacuum tank, 2 first pipes, 3 second pipes, 4 first solenoid valves, 5 second solenoid valves, 6 overflow tanks,
7 third pipelines, 8 third solenoid valves, 9 the 4th pipelines, 10 the 4th solenoid valves, 11 vegetable oil distribution transformers, 12 vegetable oil, 13
Temperature sensor, 14 electric heaters, 15 control systems, 16 field controllers, 17 Internet of Things server, 18 Background control terminals,
19 power supplys, 20 minipumps, 21 first pipe fittings, 22 second pipe fittings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of vegetable oil distribution transformer based on Internet of Things
The online dehydration device of device is including heating in vacuum tank 1 and overflow tank 6 and attached control system 15, the volume of heating in vacuum tank 1
The 1/200-1/100 of 11 volume of vegetable oil distribution transformer, the top of heating in vacuum tank 1 are fixedly connected with first pipe 2, and first
The side of pipeline 2 is fixed to be communicated with second pipe 3, and installation is connected with the first solenoid valve 4 in first pipe 2, pacifies on second pipe 3
Load is connected to second solenoid valve 5, and the top installation of the first solenoid valve 4 is connected with overflow tank 6, and the volume of the overflow tank 6 is true
The 1/20-1/10 of empty 1 volume of heating tank, and the volume of overflow tank 6 is preferably the 1/15 of 1 volume of heating in vacuum tank, on overflow tank 6
It is fixedly connected with third pipeline 7, the installation of third pipeline 7 is connected with third solenoid valve 8, third solenoid valve (8) connection
Have minipump (20), the bottom of heating in vacuum tank 1 is fixedly connected with the 4th pipeline 9, installs and is connected on the 4th pipeline 9
4th solenoid valve 10, the side bottom of the vegetable oil distribution transformer 11 is fixedly connected with the first pipe fitting 21 and the second pipe connects
First 22, first pipe fitting 21 and the second pipe fitting 22 are connected with second solenoid valve 5 and the installation of the 4th solenoid valve 10 respectively,
It is injected with vegetable oil 12 inside the vegetable oil distribution transformer 11, temperature sensor 13 is fixedly installed in heating in vacuum tank 1
With electric heater 14, the probe position of temperature sensor 13 is located at the center of heating in vacuum tank 1.
Control system 15 includes field controller 16, and field controller 16 is by wireless communication module, PLC PLC technology
Device and software composition, the input terminal of field controller 16 is electrically connected with the output end of power supply 19, and power supply 19 is can be by transformation, whole
The modes such as stream are converted into the power frequency supplies of other AC, direct supply, and the input terminal of field controller 16 is defeated with temperature sensor 13
Outlet electrical connection, the output end and electric heater 14, minipump 20, the first solenoid valve 4, the second electromagnetism of field controller 16
The input terminal of valve 5, third solenoid valve 8 and the 4th solenoid valve 10 is electrically connected, field controller 16 by Internet of Things server 17 with
The connection of 18 signal of Background control terminal.Second solenoid valve 5 and the 4th solenoid valve 10 are normally opened, the first solenoid valve 4 and third electromagnetism
Valve 8 is normally closed.
Working principle: vegetable oil distribution transformer 11 run when, according to monitoring or analysis as a result, it is desirable to certain or certain batch
Vegetable oil distribution transformer 11 implements dehydration, issues instruction to field controller 16 by Background control terminal 18, starts plant
Oily 12 dehydration procedures: second solenoid valve 5 and the 4th solenoid valve 10 are closed, a part in vegetable oil 12 is isolated in heating in vacuum
In tank 1, the first solenoid valve 4 and third solenoid valve 8 are opened, starts minipump 20, minipump 20 is to heating in vacuum tank 1
It is vacuumized with overflow tank 6, connects the power supply of electric heater 14, the vegetable oil in heating in vacuum tank 1 is carried out by electric heater 14
Heating, by temperature sensor 13 record vegetable oil initial temperature go forward side by side line trace monitoring, when the temperature of vegetable oil reaches setting
When value (reference value is 130 ± 5 DEG C), the power supply of electric heater 14 is disconnected, stops heating.Period fraction vegetable oil is swollen because heating
Swollen and spill into overflow tank 6, minipump 20 always vacuumizes heating in vacuum tank 1 and overflow tank 6, it is therefore an objective to accelerate to plant
The evaporation of object water content in oil, while CO, CO2, the hydrocarbon gas also fast quick-release under high temperature, vacuum state contained in vegetable oil
It puts, achievees the purpose that vegetable oil is dehydrated degassing under high-temperature vacuum state.(reference value is 20 points to this process certain time
Clock), during which such as the decline of vegetable oil temperature, then restart the heating of electric heater 14.After reaching setting time, third electricity is closed
Magnet valve 8 stops minipump 20, carries out tracking and monitoring by temperature of the temperature sensor 13 to vegetable oil in heating in vacuum tank 1,
When temperature is cooled to initial temperature, the vegetable oil in overflow tank 6 has been flow back into heating in vacuum tank 1 at this time, closes first
Solenoid valve 4, opens second solenoid valve 5 and the 4th solenoid valve 10,1 implants oil Natural Circulation of heating in vacuum tank enter transformer and work as
In.
As dewatered vegetable oil enters transformer in heating in vacuum tank 1, the micro-water content of vegetable oil 12 will be under appearance
Drop, repeats the above process, until monitoring or judgement are qualified.
It can to sum up obtain, (1), the utility model are by technology of Internet of things, using heating in vacuum tank 1 to vegetable oil distribution transformer
Vegetable oil circulation in device 11 is dehydrated, so that the water content of vegetable oil 12 is in stable reduced levels always, is realized and is planted
The long-term safety of object oil distribution transformer 11 is run.
(2), the on-line automatic dehydration degasser work of this kind of utility model vegetable oil distribution transformer based on Internet of Things
When making, no air is contacted with vegetable oil.
(3), the on-line automatic dehydration degasser work of this kind of utility model vegetable oil distribution transformer based on Internet of Things
When making, no gas enters inside transformer.
(4), the on-line automatic dehydration degasser work of this kind of utility model vegetable oil distribution transformer based on Internet of Things
When making, the vegetable oil temperature difference for passing in and out transformer is small.
(5), the utility model full-automation intelligent work, and do not influence transformer normal operation at work.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things, including heating in vacuum tank (1) and overflow tank
(6) and attached control system (15), it is characterised in that: be fixedly connected with the first pipe at the top of the heating in vacuum tank (1)
Road (2) is installed on the first pipe (2) and is connected with the first solenoid valve (4), and the middle and upper part of the heating in vacuum tank (1) is fixed
It is connected with second pipe (3), installation is connected with second solenoid valve (5) on the second pipe (3), first solenoid valve (4)
Top installation be connected with overflow tank (6), be fixedly connected with third pipeline (7) on the overflow tank (6), the third pipeline
(7) installation is connected with third solenoid valve (8), and third solenoid valve (8) installation is connected with minipump (20), the vacuum
The bottom of heating tank (1) is fixedly connected with the 4th pipeline (9), and installation is connected with the 4th solenoid valve on the 4th pipeline (9)
(10), the side bottom of the vegetable oil distribution transformer (11) is fixedly connected with the first pipe fitting (21) and the second pipe fitting
(22), first pipe fitting (21) and the second pipe fitting (22) are pacified with second solenoid valve (5) and the 4th solenoid valve (10) respectively
Load connects, and is injected with vegetable oil (12) inside the vegetable oil distribution transformer (11), fixed peace in the heating in vacuum tank (1)
Equipped with temperature sensor (13) and electric heater (14)；
The control system (15) includes field controller (16), the input terminal and temperature sensor of the field controller (16)
(13) it is electrically connected with the output end of power supply (19), the output end of the field controller (16) and the input terminal of electric heater (14)
Electrical connection, output end and the first solenoid valve (4), second solenoid valve (5), the third solenoid valve (8) of the field controller (16)
It is electrically connected with the input terminal of the 4th solenoid valve (10), the field controller (16) is controlled by Internet of Things server (17) and backstage
Terminal (18) signal connection processed；The second solenoid valve (5) and the 4th solenoid valve (10) are normally opened, first solenoid valve (4)
It is normally closed with third solenoid valve (8).
2. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the first pipe fitting (21) and the second pipe fitting (22) of the vegetable oil distribution transformer (11) are located at the change of vegetable oil distribution
The bottom of depressor (11) side, perpendicular distribution up and down.
3. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the field controller (16) is made of wireless communication module, PLC programmable controller and software.
4. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the input terminal of the field controller (16) is electrically connected with the output end of power supply (19), and the power supply (19) is that can pass through
Transformation or rectifier system are converted into the power frequency supply of other AC, direct supply.
5. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the probe segment of the temperature sensor (13) is located at the center of heating in vacuum tank (1).
6. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the electric heater (14) is located at the bottom centre position of heating in vacuum tank (1).
7. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the volume of the overflow tank (6) is the 1/20-1/10 of heating in vacuum tank (1) volume.
8. a kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things according to claim 1, feature
Be: the volume of the heating in vacuum tank (1) is the 1/200-1/ of vegetable oil total volume in vegetable oil distribution transformer (11)
100。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793630.4U CN208433281U (en) | 2017-12-20 | 2017-12-20 | A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793630.4U CN208433281U (en) | 2017-12-20 | 2017-12-20 | A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things |
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| CN208433281U true CN208433281U (en) | 2019-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242319A (en) * | 2017-12-20 | 2018-07-03 | 江山市技装自动化科技有限公司 | A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things |
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2017
- 2017-12-20 CN CN201721793630.4U patent/CN208433281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242319A (en) * | 2017-12-20 | 2018-07-03 | 江山市技装自动化科技有限公司 | A kind of online dehydration device of vegetable oil distribution transformer based on Internet of Things |
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