CN115200219A - Dry-type transformer insulation resistance improving device and manufacturing method thereof - Google Patents
Dry-type transformer insulation resistance improving device and manufacturing method thereof Download PDFInfo
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- CN115200219A CN115200219A CN202210967357.1A CN202210967357A CN115200219A CN 115200219 A CN115200219 A CN 115200219A CN 202210967357 A CN202210967357 A CN 202210967357A CN 115200219 A CN115200219 A CN 115200219A
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- 238000009413 insulation Methods 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 93
- 239000000428 dust Substances 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000007791 dehumidification Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 92
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000009826 distribution Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000005192 partition Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/20—Control of fluid heaters characterised by control inputs
- F24H15/208—Temperature of the air after heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H15/00—Control of fluid heaters
- F24H15/40—Control of fluid heaters characterised by the type of controllers
- F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0057—Guiding means
- F24H9/0063—Guiding means in air channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
Abstract
The invention discloses a dry-type transformer insulation resistance improving device, which comprises a support frame; the hot air discharging device is arranged at the top end of the supporting frame, the air outlet end of the hot air discharging device is communicated with a movable pipe, the hot air discharging device comprises a shell and a heat supply assembly arranged in the shell, one side of the shell, far away from the movable pipe, is provided with an air inlet, and driving pieces are arranged on the movable pipe and the air inlet; the heat supply assembly comprises a preheating piece and a heating piece, wherein the preheating piece is positioned above the heating piece, cold air at the air inlet is communicated with the preheating piece after being subjected to dust removal and dehumidification, an air outlet end of the preheating piece is communicated with an air inlet end of the heating piece, and an air outlet end of the heating piece is communicated with the movable pipe. The invention can provide high-temperature dry air for the transformer, reduce the influence of moist air on the transformer, improve the surrounding environment of the transformer, and adjust the discharge position of the high-temperature dry air, thereby ensuring that the high-temperature dry air is directly close to a fixed position, improving the improvement effect and reducing the energy consumption in use.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a dry-type transformer insulation resistance improving device and a manufacturing method thereof.
Background
The dry-type transformer mainly relies on air convection for cooling, and the iron core and the winding are not immersed in insulating oil. The safe operation and the service life of the dry-type transformer depend on the safety and reliability of the insulation of the transformer winding to a great extent.
When the dry type transformer is used, because the environment is different, the climate of certain areas is humid, the humidity of the air in the humid environment is high, the insulation resistance is low due to the fact that the transformer is affected with damp, the insulation resistance is low due to the fact that the iron core and the high-low voltage coil are affected with damp, and when the dry type transformer is used, the problem that the transformer is affected with damp can be solved through self heating due to self heating during working.
However, before the transformer is powered on, the insulation resistance of the transformer is reduced due to environmental moisture, which affects the safe power utilization of the transformer, if no better solution is available on site, the subsequent utilization of the transformer is directly affected, even the transformer is disassembled and returned to the factory, the maintenance period is long and the cost is high, so that a dry type transformer insulation resistance improving device is needed, which effectively solves the problem of insulation resistance reduction due to environmental moisture on site, can avoid disassembling and assembling the transformer, is convenient to move, and can be flexibly implemented according to the actual situation. And on the basis, the energy consumption is reduced.
Disclosure of Invention
The invention aims to provide a dry-type transformer insulation resistance improving device and a manufacturing method thereof, which are used for solving the problems in the prior art, can provide high-temperature dry air for a transformer, reduce the influence of moist air on the transformer, improve the surrounding environment of the transformer, and adjust the discharge position of the high-temperature dry air, thereby ensuring that the high-temperature dry air directly approaches to a fixed position, improving the improvement effect and reducing the energy consumption in use.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a dry-type transformer insulation resistance improving device, comprising,
a support frame;
the hot air discharging device is arranged at the top end of the supporting frame, the air outlet end of the hot air discharging device is communicated with a movable pipe, the hot air discharging device comprises a shell and a heat supply assembly arranged in the shell, one side of the shell, which is far away from the movable pipe, is provided with an air inlet, and driving pieces are arranged on the movable pipe and the air inlet;
the heating assembly comprises a preheating piece and a heating piece, wherein the preheating piece is positioned above the heating piece, cold air of the air inlet is communicated with the preheating piece after dust removal and dehumidification, an air outlet end of the preheating piece is communicated with an air inlet end of the heating piece, an air outlet end of the heating piece is communicated with the movable pipe, and the residual temperature of the heating piece is used for heating the preheating piece;
the controller is fixed in the shell, a temperature measuring part is fixed in the movable pipe, and the controller is connected with the heating part and the temperature measuring part through connecting wires respectively.
Preferably, the shells inner wall rigid coupling has the division board, the division board will separate for preheating chamber and heating chamber in the casing, preheating part is located preheat the intracavity, the air intake with preheat the chamber intercommunication, the heating chamber is located preheat the chamber below, heating part is located the heating intracavity, the heating chamber is close to one side of movable tube is provided with the air-out passageway, the air-out passageway with the movable tube intercommunication.
Preferably, preheat a including setting up preheat the water bath case of intracavity, the water bath case with shells inner wall rigid coupling, the rigid coupling has the heat pipe in the water bath case, the heat pipe inlet end with the air intake intercommunication, the heat pipe give vent to anger the end with heating member intercommunication.
Preferably, the heating member is including setting up the grid plate of heating intracavity, grid plate bottom with casing bottom inner wall rigid coupling, the grid plate is kept away from one side of activity pipe with the heat pipe intercommunication, grid plate top rigid coupling has a plurality of hot plates, the hot plate with the controller is connected, a plurality of outlet ducts have been seted up on grid plate top, the outlet duct is located adjacent two between the hot plate, just the outlet duct give vent to anger the end with the hot plate corresponds the setting.
Preferably, the temperature measuring part is a temperature sensor, the temperature sensor is fixedly connected with the inner wall of the movable pipe, and the temperature sensor is connected with the controller.
Preferably, a dust remover and a dehumidifier are fixedly connected in the preheating cavity, the dehumidifier is located on one side of the dust remover far away from the air inlet, external cold air enters the dehumidifier after passing through the dust remover, the air outlet end of the dehumidifier is communicated with the air inlet end of the heat conduction pipe, and the water outlet end of the dehumidifier extends into the water bath box.
Preferably, the water outlet end of the dehumidifier is communicated with a drain pipe, a shunt valve is fixedly connected to the drain pipe, the shunt valve is provided with two water outlets, one water outlet of the shunt valve is communicated with the water bath box, the other water outlet of the shunt valve extends out of the shell, a water level sensor is fixedly connected to the inner wall of the water bath box, and the shunt valve and the water level sensor are respectively connected with the controller through connecting wires.
Preferably, the driving piece includes first air exhaust fan and second air exhaust fan, first air exhaust fan sets up the dehumidifier is kept away from one side of dust remover, just first air exhaust fan pass through the air collecting cover with the dehumidifier end intercommunication of giving vent to anger, the air collecting cover with shells inner wall rigid coupling, second air exhaust fan sets up in the air-out passageway, second air exhaust fan with the movable tube air inlet end intercommunication, just second air exhaust fan with shells inner wall rigid coupling.
Preferably, the outer wall surface of the shell is provided with a control screen, a heating switch and a fan switch, and the control screen, the heating switch and the fan switch are respectively connected with the controller through connecting wires.
A method for manufacturing a dry-type transformer insulation resistance improving device comprises the following steps,
s1, manufacturing a shell: manufacturing a shell according to a preset shape of the shell;
s2, installing a preheating part and a heating part: a preheating part and a heating part are arranged in the shell, and an air outlet of the preheating part is communicated with an air inlet of the heating part;
s3, installing a driving piece: driving pieces are arranged at the air inlet and the movable pipe, the driving pieces are started, whether the air flows normally or not is observed and controlled, and the air outlet point of the driving piece positioned at the air inlet is communicated with the preheating piece;
s4, installing a dehumidifier and a dust remover: installing a dehumidifier and a dust remover at the air inlet position, communicating one water outlet end of the dehumidifier with the preheating part, and extending the other water outlet end of the dehumidifier out of the shell;
s5, installing a controller: a controller is arranged in the shell and is connected with the electronic component through a plurality of connecting wires;
s6, water injection test: and injecting water into the preheating part, starting the driving part and the heating part, monitoring the display temperature of the temperature measuring part, measuring the temperature of the air outlet end of the movable pipe simultaneously, and comparing the two obtained temperatures.
The invention discloses the following technical effects:
1. through setting up adjustable position's movable tube, according to on-spot mounted position, effectual regulation air-out position for the air-out position is close the fault location, thereby improves its improvement effect.
2. The air after drying is heated through the heating member, satisfies its air-out requirement, simultaneously, preheats a scattered and lost heat of collecting the heating member, preheats the air, has reduced the energy consumption on the one hand, and on the other hand can make cold air rapid heating up.
3. Through setting up the controller, the controller is used for controlling each electron device work, and the operating personnel of being convenient for adjusts the air-out temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a perspective view of an improved device;
FIG. 2 is a schematic view showing a hot air discharge apparatus;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is a schematic diagram of the connection relationship of the controller;
the device comprises a support frame 1, a movable pipe 2, an air inlet 3, a partition plate 4, a preheating cavity 5, a heating cavity 6, an air outlet channel 7, a water bath tank 8, a heat conduction pipe 9, an air distribution plate 10, an air heating plate 11, an air outlet pipe 12, a temperature sensor 13, a dust remover 14, a dehumidifier 15, a water outlet pipe 16, a shunt valve 17, a water level sensor 18, a first air extractor 19, a second air extractor 20, an air collection cover 21, a control screen 22, a heating switch 23, a fan switch 24, a shell 25, an air outlet 26, a PLC control system 27, a protective shell 28, a containing cavity 29, a storage battery 30 and a movable wheel 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 6, the present invention provides an insulation resistance improving apparatus for a dry type transformer, including a supporting frame 1; the hot air discharging device is arranged at the top end of the support frame 1, the air outlet end of the hot air discharging device is communicated with a movable pipe 2, the hot air discharging device comprises a shell 25 and a heat supply assembly arranged in the shell 25, one side of the shell 25, far away from the movable pipe 2, is provided with an air inlet 3, and driving pieces are arranged on the movable pipe 2 and the air inlet 3; the heat supply assembly comprises a preheating piece and a heating piece, wherein the preheating piece is positioned above the heating piece, cold air in the air inlet 3 is communicated with the preheating piece after dust removal and dehumidification, the air outlet end of the preheating piece is communicated with the air inlet end of the heating piece, the air outlet end of the heating piece is communicated with the movable pipe 2, and the residual heat of the heating piece is used for heating the preheating piece; the controller is fixed in the shell 25, the temperature measuring part is fixed in the movable tube 2, and the controller is connected with the heating part and the temperature measuring part through connecting wires respectively.
Correspond fault location with movable tube 2, start the driving piece, outside air gets into casing 25 through air intake 3 under the effect of driving piece, and the cold air heaies up in getting into the preheating piece after the dust removal dehumidification, and in the cold air heaies up and finishes the back and lets in the heating member, promotes to appointed temperature by the heating member, is discharged by movable tube 2.
Specifically, the temperature measuring part is used for monitoring the temperature of the output air, and the heating part is controlled to work through the controller.
Wherein, the movable pipe 2 is a high temperature resistant hose, and the material setting through the movable pipe 2 makes its air-out end position adjustable.
According to the further optimization scheme, the inner wall of the shell 25 is fixedly connected with the partition plate 4, the interior of the shell 25 is divided into the preheating cavity 5 and the heating cavity 6 through the partition plate 4, the preheating part is located in the preheating cavity 5, the air inlet 3 is communicated with the preheating cavity 5, the heating cavity 6 is located below the preheating cavity 5, the heating part is located in the heating cavity 6, the air outlet channel 7 is arranged on one side, close to the movable pipe 2, of the heating cavity 6, and the air outlet channel 7 is communicated with the movable pipe 2. After the heating element heats the air, part of the heat is easy to be lost from the shell 25, so the partition plate 4 is arranged, part of the air carries the heat to rise and contacts with the partition plate 4, the heat is transferred to the preheating element by the partition plate 4, the external cold air is preheated by the preheating element,
in one embodiment of the present invention, the inner wall of the housing 25 is made of a heat insulating material.
Furthermore, the partition plate 4 can be made of a material with a good heat conduction effect, and meanwhile, the preheating piece is in contact with the top end of the partition plate 4, so that heat is better transferred.
According to a further optimized scheme, the preheating part comprises a water bath box 8 arranged in the preheating cavity 5, the water bath box 8 is fixedly connected with the inner wall of the shell 25, a heat conduction pipe 9 is fixedly connected in the water bath box 8, the air inlet end of the heat conduction pipe 9 is communicated with the air inlet 3, and the air outlet end of the heat conduction pipe 9 is communicated with the heating part. The water bath tank 8 is filled with water, the water in the water bath tank 8 can store heat, and the water in the water bath tank 8 can preheat cold air outside more easily due to the larger temperature difference between the outside air and the water in the water bath tank 8.
In one embodiment of the present invention, the outer wall of the housing 25 is provided with an air outlet 26, and the air outlet 26 is communicated with the preheating chamber 5. Since the preheating chamber 5 is a closed chamber, since the water in the water bath tank 8 is heated, in order to prevent the increase of the air pressure in the preheating chamber 5, an air outlet 26 is provided on the housing 25 for exhausting air.
Further optimize the scheme, the heating member is including setting up the grid plate 10 in heating chamber 6, grid plate 10 bottom and 25 bottom inner walls rigid couplings of casing, grid plate 10 keeps away from one side and the heat pipe 9 intercommunication of movable pipe 2, grid plate 10 top rigid coupling has a plurality of hot plates 11, hot plate 11 is connected with the controller, a plurality of outlet ducts 12 have been seted up on grid plate 10 top, outlet duct 12 is located between two adjacent hot plates 11, and outlet duct 12 gives vent to anger the end and corresponds the setting with hot plate 11. The preheated air is introduced into the air distribution plate 10, the air flows in the air distribution plate 10 and is discharged through the air outlet pipes 12, and the gas discharged from the air outlet pipes 12 is sprayed on the heating plate 11 to take away the surface heat of the heating plate 11 and heat the heating plate by itself.
In one embodiment of the present invention, the air outlet pipe 12 is obliquely disposed, and an air outlet end of the air outlet pipe 12 is disposed corresponding to a side wall of the heating plate 11.
Further, the diameter of the outlet pipe 12 is smaller than the diameter of the inlet of the outlet pipe 12. The sizes of the outlet and inlet of the outlet pipe 12 are different, so that the gas is accelerated after passing through the outlet pipe 12, and the gas is rapidly sprayed on the heating plate 11.
In a further optimized scheme, the temperature measuring part is a temperature sensor 13, the temperature sensor 13 is fixedly connected with the inner wall of the movable pipe 2, and the temperature sensor 13 is connected with the controller. The temperature sensor 13 is used to monitor the exhaust air temperature.
According to the further optimization scheme, a dust remover 14 and a dehumidifier 15 are fixedly connected in the preheating cavity 5, the dehumidifier 15 is located on one side, away from the air inlet 3, of the dust remover 14, external cold air enters the dehumidifier 15 after passing through the dust remover 14, the air outlet end of the dehumidifier 15 is communicated with the air inlet end of the heat conduction pipe 9, and the water outlet end of the dehumidifier 15 extends into the water bath box 8. The dust collector 14 is used for removing dust contained in the outside air, and the dehumidifier 15 is used for dehumidifying the outside air, wherein the dust collector 14 and the dehumidifier 15 can be implemented by the prior art, and meanwhile, the water generated by the dehumidifier 15 can be used for supplementing the water in the water bath box 8, so that the water filling operation in the water bath box 8 does not need to be carried out manually.
In a further optimized scheme, the water outlet end of the dehumidifier 15 is communicated with a water outlet pipe 16, a shunt valve 17 is fixedly connected to the water outlet pipe 16, the shunt valve 17 is provided with two water outlets, one water outlet of the shunt valve 17 is communicated with the water bath box 8, the other water outlet of the shunt valve 17 extends out of the shell 25, a water level sensor 18 is fixedly connected to the inner wall of the water bath box 8, and the shunt valve 17 and the water level sensor 18 are respectively connected with the controller through connecting wires. Through setting up diverter valve 17 for outside the optional inflow water bath 8 or the casing 25 of water that is produced by dehumidifier 15, when level sensor 18 detects that the water in the water bath 8 can't satisfy the user demand, diverter valve 17 is with the leading-in water bath 8 of water that the dehumidifier 15 produced, when level sensor 18 detects that the water in the water bath 8 satisfies the user demand or when too much, diverter valve 17 exports the casing 25 with the water that the dehumidifier 15 produced.
Further optimize the scheme, the driving piece includes first air exhaust fan 19 and second air exhaust fan 20, first air exhaust fan 19 sets up in one side that dust remover 14 was kept away from to the dehumidifier 15, and first air exhaust fan 19 gives vent to anger to hold the intercommunication through air-collecting cover 21 and dehumidifier 15, air-collecting cover 21 and casing 25 inner wall rigid coupling, second air exhaust fan 20 sets up in air-out passageway 7, second air exhaust fan 20 and the intercommunication of the 2 air inlet end of movable tube, and second air exhaust fan 20 and casing 25 inner wall rigid coupling. The air flow is powered by the provision of a first air extractor fan 19 and a second air extractor fan 20.
In a further optimized scheme, the outer wall surface of the shell 25 is provided with a control screen 22, a heating switch 23 and a fan switch 24, and the control screen 22, the heating switch 23 and the fan switch 24 are respectively connected with the controller through connecting wires. The control panel 22 is used to display the temperature of the discharged air and adjust the temperature of the discharged air, the heating switch 23 is used to control the start and stop of the heating plate 11, and the fan switch 24 is used to control the start and stop of the first air extractor 19 and the second air extractor 20.
Further, the controller is a PLC control system 27, the PLC control system 27 is fixedly connected in the housing 25, and the PLC control system 27 is enclosed in a sealed space by a protective case 28, and a plurality of connection wires extend from the PLC control system 27 and are used for connecting the temperature sensor 13, the dust collector 14, the dehumidifier 15, the shunt valve 17, the water level sensor 18, the first air extractor 19, the second air extractor 20, the control screen 22, the heating switch 23, and the fan switch 24 to control the above components to work.
Optionally, the side wall of the support frame 1 is provided with an accommodating cavity 29, a storage battery 30 is fixedly connected in the accommodating cavity 29, and the storage battery 30 is used for supplying power to the electronic device.
Furthermore, a plurality of movable wheels 31 are fixedly connected to the bottom end of the support frame 1. The presence of the moving wheel 31 facilitates movement of the support 1.
The working process is as follows:
placing support frame 1 intercommunication casing 25 in preset position, aim at the fault location of transformer with movable tube 2, open heating switch 23 and fan switch 24, adjust output temperature through controller 22, outside cold air gets into by air intake 3, get into in water bath 8 after dust removal dehumidification of dust remover 14 and dehumidifier 15, preheat the back through heat pipe 9, the air that is preheated gets into air distribution plate 10, spout to heating plate 11 through outlet duct 12 on the air distribution plate 10, derive by movable tube 2 afterwards.
A method for manufacturing a dry-type transformer insulation resistance improving device comprises the steps of,
s1, manufacturing a shell 25: the housing 25 is fabricated according to a predetermined shape of the housing 25. The housing 25 is designed according to the use requirement, wherein the top end or the side wall of the housing 25 can be detached so as to facilitate the subsequent component installation and the integral assembly.
S2, installing a preheating part and a heating part: the housing 25 is provided with a preheating part and a heating part, and an air outlet of the preheating part is communicated with an air inlet 3 of the heating part. A partition plate 4 is installed in a casing 25, a water bath tank 8 is installed in a partitioned preheating chamber 5, and an air distribution plate 10 and a heating plate 11 are installed in a heating chamber 6.
S3, mounting a driving piece: air intake 3 and the 2 position installation driving pieces of movable tube to start the driving piece, whether normal circulation of observation control, and the air outlet point and the preheating piece intercommunication that will be located the driving piece of 3 positions of air intake. Install first air exhaust fan 19 and second air exhaust fan 20 to start first air exhaust fan 19 and second air exhaust fan 20, observe whether the air inlet of air intake 3 and the air-out of movable tube 2 are normal. And after the detection is carried out, continuing the next installation step.
S4, installing a dehumidifier 15 and a dust remover 14: the dehumidifier 15 and the dust remover 14 are arranged at the position of the air inlet 3, one water outlet end of the dehumidifier 15 is communicated with the preheating part, and the other water outlet end of the dehumidifier 15 extends out of the shell 25. In this order, the dehumidifier 15 is installed, the drain pipe 16 and the diverter valve 17 are installed, the two water outlet ends of the drain pipe 16 are respectively arranged at different positions, and then the dust remover 14 is installed.
S5, installing a controller: the controller is mounted in the housing 25 and connected to the electronic components by a plurality of connecting wires. A PLC control system 27 is mounted on the inner wall of the housing 25 and is closed, only a number of connecting wires are extended therefrom, and the connecting wires are connected to the electronic devices.
S6, water injection test: to pouring into water in preheating the piece, start driving piece and heating member, monitor the display temperature of temperature measurement piece, measure the end temperature of giving vent to anger of movable tube 2 simultaneously, compare the temperature of two acquirements. To water injection in water bath 8, stop the water injection when the water level height in water bath 8 is higher than heat pipe 9, simultaneously, water level sensor 18 is to the time measuring of the water level height in water bath 8, whether to regard whether the water level height in water bath 8 is higher than heat pipe 9 height, when the water level height in water bath 8 is less than heat pipe 9 height promptly, through shunt valve 17 to water injection in water bath 8.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The utility model provides a dry-type transformer insulation resistance improves device which characterized in that: comprises the steps of (a) preparing a substrate,
a support frame (1);
the hot air discharging device is arranged at the top end of the supporting frame (1), an air outlet end of the hot air discharging device is communicated with a movable pipe (2), the hot air discharging device comprises a shell (25) and a heat supply assembly arranged in the shell (25), one side, far away from the movable pipe (2), of the shell (25) is provided with an air inlet (3), and driving pieces are arranged on the movable pipe (2) and the air inlet (3);
the heating component comprises a preheating part and a heating part, wherein the preheating part is positioned above the heating part, cold air of the air inlet (3) is communicated with the preheating part after dust removal and dehumidification, the air outlet end of the preheating part is communicated with the air inlet end of the heating part, the air outlet end of the heating part is communicated with the movable pipe (2), and the residual heat of the heating part is used for heating the preheating part;
the controller is fixed in the shell (25), a temperature measuring part is fixed in the movable pipe (2), and the controller is connected with the heating part and the temperature measuring part through connecting wires respectively.
2. The insulation resistance improving apparatus for dry-type transformer according to claim 1, wherein: casing (25) inner wall rigid coupling has division board (4), division board (4) will divide into in casing (25) and preheat chamber (5) and heating chamber (6), preheating spare is located preheat in chamber (5), air intake (3) with preheat chamber (5) intercommunication, heating chamber (6) are located preheat chamber (5) below, the heating member is located in heating chamber (6), heating chamber (6) are close to one side of movable tube (2) is provided with air-out passageway (7), air-out passageway (7) with movable tube (2) intercommunication.
3. The insulation resistance improving apparatus for dry-type transformer according to claim 2, wherein: preheat a setting including setting up preheat water bath (8) in chamber (5), water bath (8) with casing (25) inner wall rigid coupling, the rigid coupling has heat pipe (9) in water bath (8), heat pipe (9) inlet end with air intake (3) intercommunication, heat pipe (9) give vent to anger the end with heating member intercommunication.
4. The insulation resistance improving apparatus for dry-type transformer as recited in claim 3, wherein: the heating element is including setting up air distribution plate (10) in heating chamber (6), air distribution plate (10) bottom with casing (25) bottom inner wall rigid coupling, air distribution plate (10) are kept away from one side of activity pipe (2) with heat pipe (9) intercommunication, air distribution plate (10) top rigid coupling has a plurality of hot plates (11), hot plate (11) with the controller is connected, a plurality of outlet duct (12) have been seted up on air distribution plate (10) top, outlet duct (12) are located adjacent two between hot plate (11), just outlet duct (12) give vent to anger the end with hot plate (11) correspond the setting.
5. The insulation resistance improving apparatus for dry-type transformer according to claim 1, wherein: the temperature measuring part is a temperature sensor (13), the temperature sensor (13) is fixedly connected with the inner wall of the movable pipe (2), and the temperature sensor (13) is connected with the controller.
6. The insulation resistance improving apparatus for dry-type transformer as recited in claim 3, wherein: a dust collector (14) and a dehumidifier (15) are fixedly connected in the preheating cavity (5), the dehumidifier (15) is located on one side, away from the air inlet (3), of the dust collector (14), external cold air enters the dehumidifier (15) after passing through the dust collector (14), the air outlet end of the dehumidifier (15) is communicated with the air inlet end of the heat conduction pipe (9), and the water outlet end of the dehumidifier (15) extends into the water bath box (8).
7. The insulation resistance improving apparatus for dry-type transformer as recited in claim 6, wherein: the dehumidifier (15) play water end intercommunication has drain pipe (16), the rigid coupling has shunt valve (17) on drain pipe (16), shunt valve (17) have two delivery ports, one of shunt valve (17) the delivery port with water bath (8) intercommunication, another of shunt valve (17) the delivery port with stretch out outside casing (25), water bath (8) inner wall rigid coupling has level sensor (18), shunt valve (17) with level sensor (18) respectively through the connecting wire with the controller is connected.
8. The insulation resistance improving apparatus for dry-type transformer as recited in claim 6, wherein: the driving piece comprises a first air exhaust fan (19) and a second air exhaust fan (20), the first air exhaust fan (19) is arranged on one side of the dust remover (14) far away from the dehumidifier (15), the first air exhaust fan (19) is communicated with an air outlet end of the dehumidifier (15) through an air collection cover (21), the air collection cover (21) is fixedly connected with the inner wall of the shell (25), the second air exhaust fan (20) is arranged in the air outlet channel (7), the second air exhaust fan (20) is communicated with an air inlet end of the movable tube (2), and the second air exhaust fan (20) is fixedly connected with the inner wall of the shell (25).
9. The insulation resistance improving apparatus for dry-type transformer according to claim 1, wherein: the outer wall surface of the shell (25) is provided with a control screen (22), a heating switch (23) and a fan switch (24), and the control screen (22), the heating switch (23) and the fan switch (24) are respectively connected with the controller through connecting wires.
10. A method for manufacturing an insulation resistance improving device for a dry type transformer according to claim 6, wherein: the manufacturing method comprises the following steps of,
s1, manufacturing a shell (25): manufacturing the shell (25) according to the preset shape of the shell (25);
s2, installing a preheating part and a heating part: a preheating piece and a heating piece are arranged in the shell (25), and an air outlet of the preheating piece is communicated with an air inlet (3) of the heating piece;
s3, mounting a driving piece: driving pieces are arranged at the air inlet (3) and the movable pipe (2), the driving pieces are started, whether the circulation is normal or not is observed and controlled, and an air outlet point of the driving pieces located at the air inlet (3) is communicated with the preheating pieces;
s4, installing a dehumidifier (15) and a dust remover (14): a dehumidifier (15) and a dust remover (14) are arranged at the position of the air inlet (3), one water outlet end of the dehumidifier (15) is communicated with the preheating part, and the other water outlet end of the dehumidifier (15) extends out of the shell (25);
s5, installing a controller: a controller is arranged in the shell (25) and is connected with the electronic components through a plurality of connecting wires;
s6, water injection test: the temperature measuring device comprises a preheating piece, a driving piece, a heating piece, a temperature measuring piece, a movable pipe (2), a temperature measuring piece and a temperature measuring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967357.1A CN115200219A (en) | 2022-08-12 | 2022-08-12 | Dry-type transformer insulation resistance improving device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210967357.1A CN115200219A (en) | 2022-08-12 | 2022-08-12 | Dry-type transformer insulation resistance improving device and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115200219A true CN115200219A (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210967357.1A Pending CN115200219A (en) | 2022-08-12 | 2022-08-12 | Dry-type transformer insulation resistance improving device and manufacturing method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN115200219A (en) |
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| CN202638241U (en) * | 2012-04-16 | 2013-01-02 | 葛洲坝集团机电建设有限公司 | Dry air generation device |
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| CN209464853U (en) * | 2019-01-11 | 2019-10-08 | 杭州劲信电气有限公司 | It is a kind of can high-effective dust-removing energy-saving dryer |
| CN111068471A (en) * | 2019-11-27 | 2020-04-28 | 云南电网有限责任公司电力科学研究院 | Device for preparing dry air on site |
| CN212006659U (en) * | 2020-01-10 | 2020-11-24 | 铜陵铜冠神虹化工有限责任公司 | Air preheating device |
| CN212011886U (en) * | 2020-06-02 | 2020-11-24 | 钱明 | Secret position inspection device of fortune dimension equipment of transformer substation |
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2022
- 2022-08-12 CN CN202210967357.1A patent/CN115200219A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202638241U (en) * | 2012-04-16 | 2013-01-02 | 葛洲坝集团机电建设有限公司 | Dry air generation device |
| US20160040685A1 (en) * | 2014-08-08 | 2016-02-11 | Chieh-Yuan Cheng | Water cooling fan with multiple air outlets |
| CN204574755U (en) * | 2014-12-25 | 2015-08-19 | 湖南华南制造集团股份公司 | Drier |
| CN209071872U (en) * | 2018-09-29 | 2019-07-05 | 孟庆春 | A kind of power equipment case with moisture-proof dust-absorbing function |
| CN209464853U (en) * | 2019-01-11 | 2019-10-08 | 杭州劲信电气有限公司 | It is a kind of can high-effective dust-removing energy-saving dryer |
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| CN212011886U (en) * | 2020-06-02 | 2020-11-24 | 钱明 | Secret position inspection device of fortune dimension equipment of transformer substation |
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Application publication date: 20221018 |