CN116864278A - On-load capacity-regulating voltage-regulating tap switch of transformer - Google Patents
On-load capacity-regulating voltage-regulating tap switch of transformer Download PDFInfo
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- CN116864278A CN116864278A CN202310768032.5A CN202310768032A CN116864278A CN 116864278 A CN116864278 A CN 116864278A CN 202310768032 A CN202310768032 A CN 202310768032A CN 116864278 A CN116864278 A CN 116864278A
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- transformer
- separation layer
- filter vat
- filter screen
- wall
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- 238000000926 separation method Methods 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000010079 rubber tapping Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims 7
- 238000000746 purification Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 235000019198 oils Nutrition 0.000 description 41
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012216 screening Methods 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012024 dehydrating agents Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electrostatic Separation (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The application discloses an on-load capacity-regulating and voltage-regulating tapping switch of a transformer, which relates to the field of on-load tapping switches and comprises a filter vat, wherein the top and the bottom of the filter vat are respectively provided with a liquid inlet and a liquid outlet, a separation layer is arranged in the filter vat, the top and the bottom of the separation layer are respectively and hermetically connected with the top and the bottom of the inner wall of the filter vat, a gap is formed between the separation layer and the inner wall of the filter vat, a filter screen is arranged in the separation layer, a sealing gasket is fixedly arranged on the peripheral side of the filter screen, and the peripheral side of the sealing gasket is abutted against the inner surface of the separation layer; the on-load capacity-regulating voltage-regulating tapping switch of the transformer is characterized in that when the gas pressure in the gap is reached to a certain threshold value, the retraction assembly drives each supporting rod to gradually gather inwards to reduce the gas pressure in the gap, the gas pressure in the gap is kept in a proper positive pressure range, and the phenomenon that the flow speed of oil flowing through the filtering screen is too high due to the fact that the gas pressure in the gap is large is avoided, and the filtering effect is influenced.
Description
Technical Field
The application relates to the technology of an on-load tap-changer, in particular to an on-load capacity-regulating voltage-regulating tap-changer of a transformer.
Background
The on-load tap changer is equipment for adjusting the voltage and the current of a winding in a transformer, can reduce the no-load and load loss of the transformer, improve the operation efficiency of the transformer, ensure the stable operation of the transformer, prolong the service life of the equipment and the like, can effectively protect the transformer, improve the efficiency and the stability of the transformer and ensure the normal operation of a power system; the on-load tap-changer generally uses insulating oil as an insulating medium, but in the use process, moisture possibly enters the oil tank due to the reasons of external environment, equipment aging, improper maintenance and the like, such as that the running environment of the on-load tap-changer is in a humid environment, elements such as a sealing element and a pipeline in the on-load tap-changer are aged or damaged along with the time, manual operation is improper, oil containing moisture is added into the oil tank, or accumulated water and the like in the equipment are not cleaned in time in the maintenance process, moisture possibly occurs in the oil tank, further, the oil body in the oil tank needs to be filtered and purified, and a filter can be used for removing the moisture and other impurities in the oil.
However, a general filter is provided with a filter screen in a tank body, and a dehydrating agent such as a molecular sieve is added in the filter screen, after the oil body is pumped into the tank body, the oil body flows from one side in the filter to the other side to directly filter the water contained in the oil body, and because the viscosity of the oil body is generally larger, the friction force between molecules in the fluid is larger, the flow of the fluid is hindered, when the oil body with larger viscosity passes through the molecular sieve, the pore diameter of the molecular sieve is smaller, the oil body molecules rub against the pore walls and are subjected to resistance in the process of passing through pores, the overall friction resistance and the flow resistance are further increased, so that the speed of the oil body passing through the filter screen is slower, in addition, as the filtration progresses, the weight or the volume of the oil body to be filtered on one side of the filter screen is gradually reduced, the liquid level on the side is gradually reduced along with the progress of the filtration, so that under the same filtering area, the pressure of the contact surface between the oil body on the side and the filter screen is gradually reduced, the flow rate of the oil body passing through the filter screen is directly caused, and the efficiency of the oil body is lower.
Disclosure of Invention
The application aims to provide an on-load capacity-regulating voltage-regulating tap changer of a transformer so as to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions: the oil purifying device of the transformer on-load tap-changer comprises a filter barrel, wherein the top and the bottom of the filter barrel are respectively provided with a liquid inlet and a liquid outlet;
the top and the bottom of the separation layer are respectively connected with the top and the bottom of the inner wall of the filter vat in a sealing way, a gap is formed between the separation layer and the inner wall of the filter vat, gas is filled in the gap, and the pressure of the gas is in a positive pressure state;
the filter screen is arranged in the separation layer, the periphery of the filter screen is fixedly provided with a sealing gasket, and the periphery of the sealing gasket can press the separation layer and enable the pressed part of the separation layer to be abutted against the inner wall of the filter barrel;
the driving mechanism is used for driving the filter screen to move up and down along the inner surface of the separation layer;
when the filter screen moves upwards, the filter screen pushes the partition layer and gathers the gas in the gap upwards, the gas pushes the non-extruded part of the partition layer and makes the non-extruded part of the partition layer expand and deform.
Further, the top of the inner wall of the filter vat is provided with a supporting mechanism, the supporting mechanism comprises a folding and unfolding assembly and a plurality of supporting rods distributed in an annular array shape, each supporting rod is respectively abutted to one side of the inner surface of the separation layer, and the folding and unfolding assembly is used for driving each supporting rod to diffuse outwards or gather inwards.
Further, receive and release the subassembly and include a fixed section of thick bamboo, fixed section of thick bamboo week side is equipped with a plurality of supporting seats that are annular array form and distribute, supporting seat one side and filter vat inner wall top fixed connection, the spout has been seted up on the supporting seat, each the vaulting pole surface respectively with each spout inner wall sliding connection.
Further, the fixed cylinder inner wall rotates and is connected with the sleeve, sleeve one end fixedly connected with carousel, a plurality of arc grooves have been seted up to being annular array form on the carousel, sliding connection has the traveller in the arc groove, and each traveller is kept away from the one end fixed connection of filter vat with each vaulting pole respectively.
Further, one end of the stay bar, which is close to the filter vat, is fixedly provided with an arc-shaped rod.
Further, the driving mechanism comprises a driving piece and a pull rod, one end of the pull rod is connected with the driving piece, the other end of the pull rod is fixedly connected with the top of the filter screen, and the pull rod is in sliding connection with the inner wall of the sleeve.
Further, the pull rod surface is provided with a chute and two straight grooves, the chute is positioned between the two straight grooves, two ends of the chute are communicated with one ends of the two straight grooves, the inner wall of the sleeve is fixedly provided with a slide nail, and the slide nail can slide in the chute or the straight grooves.
Further, support subassembly is equipped with outward to the filter vat, support subassembly includes place platform, place platform top is equipped with first annular frame, the filter vat is installed in first annular frame, place platform top fixed mounting has four stands, four stand one end fixed mounting has same first platform.
Further, a first liquid pump is arranged on the first platform, and a second liquid pump is arranged on the placing platform.
The on-load capacity and voltage regulating tap changer of the transformer is suitable for the oil purifying device of the on-load tap changer of the transformer, and comprises an on-load tap changer body.
Compared with the prior art, the on-load capacity-regulating voltage-regulating tap changer of the transformer has the following beneficial effects:
when the filter screen moves upwards to the condition that the gas pressure in the gap reaches a certain threshold value, the on-load capacity-regulating voltage-regulating tapping switch drives each supporting rod to gradually gather inwards through the retraction assembly so as to reduce the gas pressure in the gap, and the gas pressure in the gap is kept in a proper positive pressure range, so that the phenomenon that the flow speed of oil body flowing through the filter screen is too high due to the fact that the gas pressure in the gap is high, and the filtering effect is influenced is avoided;
meanwhile, the separation layer above the filter screen is in a round table shape, the top diameter of the round table is gradually reduced when the supporting rods are gradually gathered inwards, the descending speed of the height of the oil body accommodated by the round table-shaped separation layer is reduced, under the same condition of the bottom diameter, the same-height round table and the same-volume cylindrical space are different in height between the round table-shaped separation layer and the cylindrical separation layer, and the height of the oil body in the round table-shaped separation layer is higher, so that the flow rate of the oil body passing through the filter screen is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a perspective view of an overall structure according to a first embodiment of the present application;
FIG. 2 is a perspective view showing a part of the overall structure and the inside of a filter vat according to the first embodiment of the present application;
FIG. 3 is a partial longitudinal cross-sectional perspective view of a filter vat according to a first embodiment of the present application;
FIG. 4 is a perspective view of a partial structure of a filter vat, a separator and a support mechanism according to a first embodiment of the present application;
FIG. 5 is a perspective view showing a separated state of the filter vat, the separation layer, the turntable and the retraction assembly in FIG. 4 according to the first embodiment of the present application;
FIG. 6 is a schematic view showing a filter screen according to a first embodiment of the present application in a state of being located at a lower end of a filter vat;
FIG. 7 is a schematic view showing a filter screen according to a first embodiment of the present application in a state of being located at an upper end of a filter vat;
FIG. 8 is a schematic view of a filter screen according to a second embodiment of the present application;
fig. 9 is a schematic diagram of a connection state between a first pump and a second pump and an on-load tap-changer body on a transformer according to an embodiment of the application.
Reference numerals illustrate:
1. a filter vat; 2. a separation layer; 3. a gap; 4. filtering and screening; 5. a sealing gasket; 6. a driving mechanism; 61. a driving member; 62. a pull rod; 63. a chute; 64. a straight groove; 7. a support mechanism; 71. a retraction assembly; 711. a support base; 712. a chute; 713. a sleeve; 714. a turntable; 715. an arc-shaped groove; 716. a spool; 717. an arc-shaped rod; 718. a slide nail; 72. a brace rod; 8. a bracket assembly; 81. placing a platform; 82. a first annular shelf; 83. a column; 84. a first platform; 85. a first liquid pump; 86. a second liquid pump; 9. an on-load tap-changer body.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1-7 and 9, an oil purifying device of a transformer on-load tap-changer comprises a filter vat 1, wherein the top and the bottom of the filter vat 1 are respectively provided with a liquid inlet and a liquid outlet;
the filter vat 1 is internally provided with a separation layer 2, the top and the bottom of the separation layer 2 are respectively and hermetically connected with the top and the bottom of the inner wall of the filter vat 1, so that a gap 3 is formed between the separation layer 2 and the inner wall of the filter vat 1, the gap 3 is a sealed space, gas is filled in the gap 3, the pressure of the gas is in a positive pressure state, the filled gas comprises but not limited to air, it is to be noted that in order to make the pressure of the gas filled in the gap 3 in the positive pressure state, the side wall of the filter vat 1 can be provided with a ventilation valve and a barometer (not shown in the figure), after the separation layer 2 is arranged, the gas can be supplemented inwards through the ventilation valve to change the pressure of the gas in the gap 3, the barometer can display the pressure of the gas in the gap 3, and the position of the barometer is arranged at the top of the side wall of the filter vat 1;
the filter screen 4 is installed in the separation layer 2, the sealing gasket 5 is fixedly installed on the peripheral side of the filter screen 4, the peripheral side of the sealing gasket 5 is abutted against the inner surface of the separation layer 2, the peripheral side of the sealing gasket 5 can press the separation layer 2 and enable the pressed part on the separation layer 2 to be abutted against the inner wall of the filter barrel 1, the longitudinal section of the filter screen 4 is rectangular, the filter screen 4 can absorb moisture contained in an oil body when oil passes through the inside of the filter screen 4, the filter screen 4 can be any material with the function of filtering or adsorbing the moisture, and after the sealing gasket 5 is installed on the peripheral side of the filter screen 4, in the embodiment, the cross section of the filter screen 4 can be honeycomb, the water absorbing material is filled in the cross section of the filter screen, and when an oil-water mixture flows through the surface of the water absorbing material, the moisture in the filter screen can be absorbed to purify the oil body in the on-load tap switch;
the driving mechanism 6 is used for driving the filter screen 4 to move up and down along the inner surface of the separation layer 2, when the filter screen 4 moves up, the filter screen 4 pushes the separation layer 2 and gathers the gas in the gap 3 upwards, the gas pushes the non-extruded part of the separation layer 2 and expands and deforms the non-extruded part of the separation layer 2 so as to keep the gas pressure in the gap 3 in a positive pressure state, thus improving the efficiency of the oil body passing through the filter screen 4, and further the material of the separation layer 2 is not limited, and can be any soft material for realizing the functions, including but not limited to rubber material, the gas pressure in the gap 3 can be set according to the optimal screening efficiency of the filter screen 4, wherein the optimal screening efficiency refers to the fastest flow rate of the bearable fluid flowing through per unit area of the filter screen 4 under the premise of ensuring the screening effect;
in this embodiment, a supporting mechanism 7 is disposed on the top of the inner wall of the filter vat 1, the supporting mechanism 7 includes a retraction assembly 71 and a plurality of supporting rods 72 distributed in a ring array, each supporting rod 72 is respectively abutted to one side of the inner surface of the separation layer 2, and the retraction assembly 71 is used for driving each supporting rod 72 to diffuse outwards or gather inwards;
as shown in fig. 6 and 7, when the filter screen 4 moves upwards to reach a certain threshold value, the collecting and releasing assembly 71 drives the supporting rods 72 to gradually gather inwards to reduce the gas pressure in the gap 3 and keep the gas pressure in the gap 3 within a proper positive pressure range, so that the problem that the flow speed of oil bodies flowing through the filter screen 4 is too high due to the fact that the gas pressure in the gap 3 is large, the filtering effect is affected is avoided, meanwhile, the separation layer 2 above the filter screen 4 is in a round table shape, the top diameter of the round table gradually decreases while the supporting rods 72 gradually gather inwards, the descending speed of the oil bodies contained by the round table separation layer 2 is reduced, and under the condition that the bottom diameter is the same, the same-height round table and cylindrical space are different in the same-height oil bodies in the round table separation layer 2 and the cylindrical separation layer 2, and the same-volume oil bodies in the round table separation layer 2 are higher, so that the flow speed of the oil bodies passing through the filter screen 4 is improved;
in this embodiment, the retraction assembly 71 comprises a fixed cylinder, a plurality of supporting seats 711 distributed in an annular array are arranged on the circumference of the fixed cylinder, referring to fig. 4 and 5, one side of the supporting seats 711 is fixedly connected with the top of the inner wall of the filter vat 1, sliding grooves 712 are formed on the supporting seats 711, and the surfaces of the supporting rods 72 are respectively connected with the inner walls of the sliding grooves 712 in a sliding manner;
the inner wall of the fixed cylinder is rotationally connected with a sleeve 713, one end of the sleeve 713 is fixedly connected with a rotary table 714, the rotary table 714 is provided with a plurality of arc grooves 715 in a ring array shape, the arc grooves 715 are slidably connected with sliding columns 716, and each sliding column 716 is fixedly connected with one end of each supporting rod 72 far away from the filter vat 1;
an arc-shaped rod 717 is fixedly arranged at one end of each supporting rod 72 close to the filter vat 1 and is used for supporting one side of the inner surface of the separation layer 2 so as to support the upper end part of the separation layer 2 to one side close to the inner wall of the filter vat 1, so that when the filter screen 4 moves upwards to reach a certain threshold value of the gas pressure in the gap 3, the folding and unfolding assembly 71 can drive each supporting rod 72 to gradually gather inwards so as to reduce the gas pressure in the gap 3;
in this embodiment, the driving mechanism 6 includes a driving member 61 and a pull rod 62, one end of the pull rod 62 is connected with the driving member 61, the other end of the pull rod 62 is fixedly connected with the top of the filter screen 4, the pull rod 62 is slidably connected with the inner wall of the sleeve 713, the driving member 61 includes, but is not limited to, an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with one end of the pull rod 62, and the electric telescopic rod can be installed above the filter vat 1;
the surface of the pull rod 62 is provided with a chute 63 and two straight grooves 64, the chute 63 is positioned between the two straight grooves 64, two ends of the chute 63 are communicated with one end of the two straight grooves 64, a slide nail 718 is fixedly arranged on the inner wall of the sleeve 713, the slide nail 718 can slide in the chute 63 or the straight grooves 64, when the pull rod 62 moves upwards, if the slide nail 718 slides in the straight grooves 64, the sleeve 713 does not rotate, the slide nail 718 slides in the chute 63, the sleeve 713 rotates, the turntable 714 is driven to rotate when the sleeve 713 rotates, and when the turntable 714 rotates, each slide post 716 on the slide post slides along the inner wall of the arc groove 715, so that each slide post 716 respectively drives each support rod 72 to move towards the center of the turntable 714 to drive each arc rod 717 to gather inwards;
it should be noted that, two connection points at two ends of the chute 63 opposite to two straight grooves 64 determine a start node and an end node of the retraction assembly 71 for driving each brace 72 to gradually gather inwards, and the arrangement of the start node and the end node should satisfy the change required by the gas pressure in the gap 3 when the oil body is filtered and purified;
in this embodiment, support subassembly 8 is equipped with outside filter vat 1, support subassembly 8 includes place platform 81, place platform 81 top is equipped with first annular frame 82, filter vat 1 installs in first annular frame 82, place platform 81 top fixed mounting has four stand 83, four stand 83 one end fixed mounting has same first platform 84, be equipped with first drawing liquid pump 85 on the first platform 84, be equipped with second drawing liquid pump 86 on the place platform 81, the liquid outlet of first drawing liquid pump 85 is linked together with the inlet at filter vat 1 top, the inlet of first drawing liquid pump 85 is linked together with the oil chamber that has the on-load tap switch body 9, it is used for taking out the oily body in the oily indoor of on-load tap switch, the liquid inlet of second drawing liquid pump 86 is linked together with the liquid chamber that has the on-load tap switch, when the oil chamber that has the on-load tap switch pollutes and needs purifying, in with the oily body in the oily filter vat 1 in with the oily body in the oily room through first drawing liquid pump 85, after filtering, with the oily body after the oily body of second drawing liquid pump 86 after the filtration.
An on-load capacity-regulating and voltage-regulating tap-changer of a transformer is suitable for the oil purifying device of the on-load tap-changer of the transformer, and comprises an on-load tap-changer body 9.
Embodiment two:
referring to fig. 8, the present embodiment provides a technical solution based on the first embodiment: the vertical section of the filter screen 4 is in an inverted V shape, the cross section of the filter screen 4 can be in a honeycomb shape, water absorbing materials are filled in the cross section of the filter screen 4, the contact area between the filter screen 4 and an oil body can be increased in the same filter barrel 1 by the filter screen 4 in a V shape, the efficiency of the oil body passing through the filter screen 4 is further improved, and the filter screen 4 in an inverted V shape is beneficial to dispersing the tensile force of the filter screen 4 when the pull rod 62 moves, so that the tensile pulling capacity of the filter screen 4 is improved.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (10)
1. The utility model provides a transformer on-load tapping switch oil purification device, includes filter vat (1), filter vat (1) top and bottom are equipped with inlet and liquid outlet respectively, its characterized in that:
the top and the bottom of the separation layer (2) are respectively connected with the top and the bottom of the inner wall of the filter vat (1) in a sealing way, a gap (3) is formed between the separation layer (2) and the inner wall of the filter vat (1), gas is filled in the gap (3), and the pressure of the gas is in a positive pressure state;
the filter screen (4) is arranged in the separation layer (2), the sealing gasket (5) is fixedly arranged on the periphery of the filter screen (4), and the periphery of the sealing gasket (5) can press the separation layer (2) and enable the pressed part of the separation layer (2) to be abutted against the inner wall of the filter barrel (1);
the driving mechanism (6) is used for driving the filter screen (4) to move up and down along the inner surface of the separation layer (2);
when the filter screen (4) moves upwards, the filter screen (4) pushes the partition layer (2) and gathers the gas in the gap (3) upwards, the gas pushes the portion of the partition layer (2) which is not extruded, and the portion of the partition layer (2) which is not extruded expands and deforms.
2. The transformer on-load tap changer oil cleaning device according to claim 1, wherein a supporting mechanism (7) is arranged at the top of the inner wall of the filter vat (1), the supporting mechanism (7) comprises a retraction assembly (71) and a plurality of support rods (72) distributed in an annular array shape, each support rod (72) is respectively abutted with one side of the inner surface of the separation layer (2), and the retraction assembly (71) is used for driving each support rod (72) to diffuse outwards or gather inwards.
3. The transformer on-load tap changer oil cleaning device according to claim 2, wherein the collecting and releasing assembly (71) comprises a fixed cylinder, a plurality of supporting seats (711) distributed in an annular array are arranged on the periphery of the fixed cylinder, one side of each supporting seat (711) is fixedly connected with the top of the inner wall of the filtering barrel (1), sliding grooves (712) are formed in each supporting seat (711), and the surfaces of the supporting rods (72) are respectively connected with the inner wall of each sliding groove (712) in a sliding manner.
4. The transformer on-load tap changer oil cleaning device according to claim 3, wherein a sleeve (713) is rotatably connected to the inner wall of the fixed cylinder, a turntable (714) is fixedly connected to one end of the sleeve (713), a plurality of arc grooves (715) are formed in the turntable (714) in a ring-shaped array shape, sliding columns (716) are slidably connected in the arc grooves (715), and each sliding column (716) is fixedly connected with one end, far away from the filter vat (1), of each supporting rod (72).
5. The oil purifying device of the transformer on-load tap-changer according to claim 2, wherein an arc-shaped rod (717) is fixedly arranged at one end of the supporting rod (72) close to the filter vat (1).
6. The transformer on-load tap changer oil cleaning device according to claim 4, wherein the driving mechanism (6) comprises a driving piece (61) and a pull rod (62), one end of the pull rod (62) is connected with the driving piece (61), the other end of the pull rod (62) is fixedly connected with the top of the filter screen (4), and the pull rod (62) is slidably connected with the inner wall of the sleeve (713).
7. The oil purifying device of the transformer on-load tap changer according to claim 6, wherein a chute (63) and two straight grooves (64) are formed in the surface of the pull rod (62), the chute (63) is located between the two straight grooves (64), two ends of the chute (63) are communicated with one ends of the two straight grooves (64), a slide nail (718) is fixedly mounted on the inner wall of the sleeve (713), and the slide nail (718) can slide in the chute (63) or the straight grooves (64).
8. The transformer on-load tap changer oil cleaning device according to claim 1, wherein a bracket component (8) is arranged outside the filter vat (1), the bracket component (8) comprises a placement platform (81), a first annular frame (82) is arranged at the top of the placement platform (81), the filter vat (1) is arranged in the first annular frame (82), four stand columns (83) are fixedly arranged at the top of the placement platform (81), and one end of each stand column (83) is fixedly provided with the same first platform (84).
9. The transformer on-load tap changer oil cleaning device according to claim 8, wherein a first liquid pump (85) is arranged on the first platform (84), and a second liquid pump (86) is arranged on the placing platform (81).
10. A transformer on-load capacity-regulating and voltage-regulating tap changer, characterized in that the transformer on-load capacity-regulating and voltage-regulating tap changer is adapted for use in a transformer on-load tap changer oil cleaning device according to any one of claims 1-9, comprising an on-load tap changer body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310768032.5A CN116864278B (en) | 2023-06-27 | 2023-06-27 | On-load capacity-regulating voltage-regulating tap switch of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310768032.5A CN116864278B (en) | 2023-06-27 | 2023-06-27 | On-load capacity-regulating voltage-regulating tap switch of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116864278A true CN116864278A (en) | 2023-10-10 |
| CN116864278B CN116864278B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310768032.5A Active CN116864278B (en) | 2023-06-27 | 2023-06-27 | On-load capacity-regulating voltage-regulating tap switch of transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001284146A (en) * | 2000-03-29 | 2001-10-12 | Toshiba Corp | Transformer with on-load tap changer |
| CN205028765U (en) * | 2015-08-25 | 2016-02-10 | 国家电网公司 | On -load tapping switch |
| CN209168892U (en) * | 2019-01-10 | 2019-07-26 | 江苏亚威变压器有限公司 | A kind of oil-immersed transformer with primary-secondary type respirator |
| CN112474039A (en) * | 2020-11-02 | 2021-03-12 | 李健 | Magnetic filtering device for transformer oil purification |
| CN216230694U (en) * | 2021-11-19 | 2022-04-08 | 常州金纬智能化工装备有限公司 | Vacuum steam removal device for extruder |
| CN115841926A (en) * | 2022-11-28 | 2023-03-24 | 西安交通大学 | On-load tap-changer oil chamber |
-
2023
- 2023-06-27 CN CN202310768032.5A patent/CN116864278B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001284146A (en) * | 2000-03-29 | 2001-10-12 | Toshiba Corp | Transformer with on-load tap changer |
| CN205028765U (en) * | 2015-08-25 | 2016-02-10 | 国家电网公司 | On -load tapping switch |
| CN209168892U (en) * | 2019-01-10 | 2019-07-26 | 江苏亚威变压器有限公司 | A kind of oil-immersed transformer with primary-secondary type respirator |
| CN112474039A (en) * | 2020-11-02 | 2021-03-12 | 李健 | Magnetic filtering device for transformer oil purification |
| CN216230694U (en) * | 2021-11-19 | 2022-04-08 | 常州金纬智能化工装备有限公司 | Vacuum steam removal device for extruder |
| CN115841926A (en) * | 2022-11-28 | 2023-03-24 | 西安交通大学 | On-load tap-changer oil chamber |
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| CN116864278B (en) | 2024-04-09 |
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