CN216295319U

CN216295319U - Vacuum oil filter for transformer

Info

Publication number: CN216295319U
Application number: CN202121962213.4U
Authority: CN
Inventors: 颜小平; 曾志兵; 沈祥平
Original assignee: Jianli Henglong Power Equipment Co ltd
Current assignee: Jianli Henglong Power Equipment Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-04-15
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of vacuum oil filters, and discloses a vacuum oil filter for a transformer. This vacuum oil filter for transformer, it is rotatory to drive the transmission shaft through starting driving motor, the transmission shaft can drive pivot and carousel rotation through drive bevel gear and driven bevel gear at rotatory in-process, the carousel can drive through the driving lever and remove reciprocating motion about the frame at rotatory in-process, and then drive reciprocating motion about the brush through the carriage release lever, clear up the surface of filter screen, prevent to cause the influence because of impurity blocks up the filter screen to filtration efficiency, the transmission shaft is rotatory at rotatory in-process simultaneously, and then still can drive the (mixing) shaft rotation through the worm wheel, thereby it stirs to drive stirring vane rotation come to stir the inside transformer oil of heating cabinet, it is more even to make the transformer oil be heated, improve the efficiency of moisture evaporation.

Description

Vacuum oil filter for transformer

Technical Field

The utility model relates to the technical field of vacuum oil filters, in particular to a vacuum oil filter for a transformer.

Background

The vacuum oil filter is a product for performing on-site oil filtering and oil supplementing aiming at various oil immersed transformers, oil immersed current and voltage transformers and high-voltage low-oil circuit breakers, wherein the oil filtering step of the vacuum oil filter is mainly divided into two steps, and the two steps comprise filtering impurities in transformer oil and evaporating and removing water.

However, when the existing vacuum oil filter is used, the filter screen is extremely easy to be blocked by filtered impurities, so that the filtering efficiency is influenced, and then the variable pressure oil is heated unevenly due to the fact that the position of the heating plate is mostly fixed and stirring is lacked in the heating process, so that the water evaporation efficiency is influenced, and the quality of the variable pressure oil is also influenced by long-time heating, so that the vacuum oil filter for the transformer is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a vacuum oil filter for a transformer, which has the advantages of cleaning a filter screen, stirring transformer oil and the like, and solves the problems that the filter screen is easily blocked by filtered impurities in the use process of the conventional vacuum oil filter, so that the filtering efficiency is influenced, and the transformer oil is heated unevenly due to the fact that the position of a heating plate is mostly fixed and stirring is lacked in the heating process, so that the water evaporation efficiency is influenced, and the quality of the transformer oil is influenced due to long-time heating.

(II) technical scheme

In order to realize the purposes of cleaning the filter screen and stirring the transformer oil, the utility model provides the following technical scheme: a vacuum oil filter for a transformer comprises a base plate, wherein a filter box is arranged at the top of the base plate, a heating box positioned on the right side of the filter box is arranged at the top of the base plate, an oil inlet pipe with one end extending to the left side of the inner wall of the filter box is arranged on the left side of the inner wall of the filter box, a filter screen positioned below the oil inlet pipe is arranged inside the filter box, a communicating pipe positioned below the filter screen and with one end penetrating and extending to the inside of the heating box is arranged on the right side of the inner wall of the filter box, a first valve with one end extending to the inside of the communicating pipe is arranged on the outer side of the communicating pipe, an oil outlet pipe with one end extending to the right side of the inner wall of the heating box is arranged on the right side of the inner wall of the heating box, a vacuum assembly with one end penetrating and extending to the inside of the heating box is arranged on the right side of the heating box, a condensing assembly with one end penetrating and extending to the inside of the heating box is arranged on the top of the heating box, and a heating plate is arranged on the inner bottom wall of the heating box, the top of rose box is provided with the drive assembly that one end runs through and extends to the heating cabinet inside, be provided with the clearance subassembly of one end and the laminating of filter screen top between the inner wall left and right sides of rose box, the other end of clearance subassembly runs through and extends to the top of rose box and meshes with drive assembly, the interior roof of heating cabinet is provided with one end and its inner wall right side swing joint and the stirring subassembly of the other end and drive assembly fixed connection.

Preferably, the vacuum assembly includes the backup pad, the right side fixed mounting of heating cabinet has the backup pad that is located the play oil pipe top, the top fixed mounting of backup pad has the vacuum pump, vacuum pump air inlet end fixed mounting has one end to run through and extend to the inside breathing pipe of heating cabinet, the outside movable mounting of breathing pipe has one end to extend to its inside third valve.

Preferably, the condensation subassembly includes the condenser, the top fixed mounting of heating cabinet has the condenser, the air inlet fixed mounting of condenser has one end to run through and extend to the inside gas-supply pipe of heating cabinet, the one end fixed mounting that the gas-supply pipe is located the heating cabinet inside has the air-collecting hopper.

Preferably, the drive assembly includes driving motor, the top fixed mounting of rose box has driving motor, driving motor's output shaft fixed mounting has one end to run through and extend to the inside transmission shaft of heating cabinet, the outside fixed mounting of transmission shaft has the drive bevel gear who is located the rose box top.

Preferably, the clearance subassembly includes the pivot, the interior roof movable mounting of rose box has the pivot that one end extends to its top, the top fixed mounting of pivot has and drives bevel gear engaged driven bevel gear, the bottom fixed mounting of pivot has the carousel, the bottom fixed mounting of carousel has the driving lever, movable mounting has the removal frame of cover in the driving lever outside between the inner wall front and back both sides of rose box, fixed mounting has the slide bar that is located the filter screen and removes between the frame between the inner wall left and right sides of rose box, the bottom fixed mounting of removal frame has a movable rod of pot head in the slide bar outside, the bottom fixed mounting of movable rod has the brush of one end and the laminating of filter screen top.

Preferably, the stirring subassembly includes the worm, the right side fixed mounting of transmission shaft has one end and heating cabinet inner wall right side swing joint's worm, the worm is located the below of breathing pipe, the interior roof movable mounting of heating cabinet has the (mixing) shaft that is located the gas collection fill right side, the (mixing) shaft is located the front side of worm, the outside fixed mounting of (mixing) shaft has the worm wheel with worm meshing, the equal fixed mounting in the left and right sides of (mixing) shaft has and is located worm wheel below and quantity for three stirring vane.

(III) advantageous effects

Compared with the prior art, the utility model provides a vacuum oil filter for a transformer, which has the following beneficial effects:

this vacuum oil filter for transformer, it is rotatory to drive the transmission shaft through starting driving motor, the transmission shaft can drive pivot and carousel rotation through drive bevel gear and driven bevel gear at rotatory in-process, the carousel can drive through the driving lever and remove reciprocating motion about the frame at rotatory in-process, and then drive reciprocating motion about the brush through the carriage release lever, clear up the surface of filter screen, prevent to cause the influence because of impurity blocks up the filter screen to filtration efficiency, the transmission shaft is rotatory at rotatory in-process simultaneously, and then still can drive the (mixing) shaft rotation through the worm wheel, thereby it stirs to drive stirring vane rotation come to stir the inside transformer oil of heating cabinet, it is more even to make the transformer oil be heated, improve the efficiency of moisture evaporation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a bottom cross-sectional partial schematic view of the movable frame of the present invention;

FIG. 3 is a top cross-sectional partial schematic view of a worm gear of the present invention.

In the figure: 1, 2, 3, 4, 5, 51, 52, 53, 6, 7, 71, 72, 73, 74, 75, 76, 77, 78, 8, 9, 10, 11, two valves, 12, 121, worm, 122, 123, 124, 13, vacuum, 131, 132, 133, 134, three valves, 14, 141, 142, 143, 15 heating board.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a vacuum oil filter for a transformer comprises a bottom plate 1, wherein a filter box 2 is fixedly installed at the top of the bottom plate 1, a heating box 3 positioned on the right side of the filter box 2 is fixedly installed at the top of the bottom plate 1, an oil inlet pipe 4 with one end extending to the left side of the filter box 2 is fixedly installed at the left side of the inner wall of the filter box 2, a filter screen 6 positioned below the oil inlet pipe 4 is fixedly installed inside the filter box 2, a communicating pipe 8 positioned below the filter screen 6 and with one end penetrating and extending to the inside of the heating box 3 is fixedly installed at the right side of the inner wall of the filter box 2, a first valve 9 with one end extending to the inside of the communicating pipe 8 is movably installed at the outer side of the communicating pipe 8, an oil outlet pipe 10 with one end extending to the right side of the inner wall of the heating box 3 is fixedly installed at the right side of the inner wall of the heating box 3, a second valve 11 with one end extending to the inside of the oil outlet pipe 10 is movably installed at the outer side of the second valve 11, a vacuum assembly 13 with one end penetrating and extending to the inside of the heating box 3, the vacuum module 13 includes a support plate 131, a support plate 131 located above the oil outlet pipe 10 is fixedly mounted on the right side of the heating box 3, a vacuum pump 132 is fixedly mounted on the top of the support plate 131, one end of the air inlet end of the vacuum pump 132 is fixedly mounted on an air suction pipe 133 penetrating through and extending to the inside of the heating box 3, one end of the air suction pipe 133 is movably mounted on a third valve 134 extending to the inside of the air suction pipe 133, one end of the top of the heating box 3 is fixedly mounted on a condensation module 14 penetrating through and extending to the inside of the heating box, the condensation module 14 includes a condenser 141, a condenser 141 is fixedly mounted on the top of the heating box 3, one end of the air inlet end of the condenser 141 is fixedly mounted on an air delivery pipe 142 penetrating through and extending to the inside of the heating box 3, an air collection hopper 143 is fixedly mounted on one end of the air delivery pipe 142 located inside of the heating box 3, and a heating plate 15 is fixedly mounted on the inner bottom wall of the heating box 3.

The top of the filter box 2 is fixedly provided with a driving component 5, one end of the driving component 5 penetrates through and extends into the heating box 3, the driving component 5 comprises a driving motor 51, the top of the filter box 2 is fixedly provided with the driving motor 51, an output shaft of the driving motor 51 is fixedly provided with a transmission shaft 52, one end of the transmission shaft penetrates through and extends into the heating box 3, the outer side of the transmission shaft 52 is fixedly provided with a driving bevel gear 53 positioned above the filter box 2, a cleaning component 7, one end of which is attached to the top of the filter screen 6, is fixedly arranged between the left side and the right side of the inner wall of the filter box 2, the other end of the cleaning component 7 penetrates through and extends to the top of the filter box 2 and is meshed with the driving component 5, the cleaning component 7 comprises a rotating shaft 71, the inner top wall of the filter box 2 is movably provided with a rotating shaft 71, one end of which extends to the top of the rotating shaft 71 is fixedly provided with a driven bevel gear 72 meshed with the driving bevel gear 53, a rotating disc 73 is fixedly arranged at the bottom of the rotating shaft 71, a shifting rod 74 is fixedly arranged at the bottom of the rotating disc 73, a moving frame 75 sleeved outside the shifting rod 74 is movably arranged between the front side and the rear side of the inner wall of the filter box 2, a sliding rod 76 positioned between the filter screen 6 and the moving frame 75 is fixedly arranged between the left side and the right side of the inner wall of the filter box 2, a moving rod 77 with one end sleeved outside the sliding rod 76 is fixedly arranged at the bottom of the moving frame 75, a brush 78 with one end jointed with the top of the filter screen 6 is fixedly arranged at the bottom of the moving rod 77, a stirring component 12 with one end movably connected with the right side of the inner wall of the heating box 3 and the other end fixedly connected with the driving component 5 is movably arranged on the inner top wall of the heating box 3, the stirring component 12 comprises a worm 121, a worm 121 with one end movably connected with the right side of the inner wall of the heating box 3 is fixedly arranged on the right side of the transmission shaft 52, and the worm 121 is positioned below the air suction pipe 133, the inner top wall of the heating box 3 is movably provided with a stirring shaft 122 positioned on the right side of the air collecting hopper 143, the stirring shaft 122 is positioned on the front side of the worm 121, the outer side of the stirring shaft 122 is fixedly provided with a worm wheel 123 meshed with the worm 121, and the left side and the right side of the stirring shaft 122 are fixedly provided with three stirring blades 124 positioned below the worm wheel 123.

Drive transmission shaft 52 rotatory through starting driving motor 51, transmission shaft 52 can drive pivot 71 and carousel 73 rotatory through drive bevel gear 53 and driven bevel gear 72 at rotatory in-process, carousel 73 can drive through driving lever 74 and remove frame 75 reciprocating motion about, and then drive brush 78 through carriage release lever 77 and control reciprocating motion, clear up the surface of filter screen 6, prevent to block up filter screen 6 because of impurity and cause the influence to filtration efficiency, transmission shaft 52 still can drive worm 121 rotatory at rotatory in-process simultaneously, and then drive the (mixing) shaft 122 rotation through worm wheel 123, thereby drive stirring vane 124 rotatory come to stir the inside variable pressure oil of heating cabinet 3, make variable pressure oil be heated more evenly, improve the efficiency of moisture evaporation.

When the heating device is used, the oil inlet pipe 4 is communicated with external transformer oil, then the first valve 9 and the third valve 134 are opened, the vacuum pump 132 is started to pump air in the heating box 3, the transformer oil in the oil inlet pipe 4 enters the filtering box 2 along with the air, the transformer oil is filtered by the filtering net 6 and then enters the heating box 3 through the communicating pipe 8, then the first valve 9 and the third valve 134 are closed, the heating plate 15 is started to heat the transformer oil, meanwhile, the condenser 141 is started to collect evaporated water vapor, and the filtered transformer oil can be discharged by opening the second valve 11 after the removal is finished.

In summary, in the vacuum oil filter for the transformer, the driving motor 51 is started to drive the transmission shaft 52 to rotate, the transmission shaft 52 drives the rotating shaft 71 and the rotating disc 73 to rotate through the driving bevel gear 53 and the driven bevel gear 72 in the rotating process, the rotating disc 73 drives the moving frame 75 to reciprocate left and right through the deflector rod 74 in the rotating process, and further drives the brush 78 to reciprocate left and right through the moving rod 77 to clean the surface of the filter screen 6, so as to prevent the filter screen 6 from being blocked by impurities to affect the filtering efficiency, meanwhile, the transmission shaft 52 also drives the worm 121 to rotate in the rotating process, further drives the stirring shaft 122 to rotate through the worm wheel 123, so as to drive the stirring blades 124 to stir the pressure change oil inside the heating box 3, so that the pressure change oil is heated more uniformly, the efficiency of water evaporation is improved, and the problem that in the use process of the existing vacuum oil filter is solved, filterable impurity very easily causes the jam to the filter screen to influence filterable efficiency, secondly transformer oil is in the heating process because the position of hot plate is mostly fixed, and lacks the stirring, leads to transformer oil to be heated inhomogeneous, thereby influences the efficiency of moisture evaporation, and heats the problem that also can cause the influence to transformer oil's quality for a long time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum oil filter for a transformer comprises a bottom plate (1), wherein a filter box (2) is arranged at the top of the bottom plate (1), a heating box (3) positioned on the right side of the filter box (2) is arranged at the top of the bottom plate (1), an oil inlet pipe (4) with one end extending to the left side of the filter box (2) is arranged on the left side of the inner wall of the filter box (2), a filter screen (6) positioned below the oil inlet pipe (4) is arranged inside the filter box (2), a communicating pipe (8) positioned below the filter screen (6) and with one end penetrating through and extending to the inside of the heating box (3) is arranged on the right side of the inner wall of the filter box (2), a first valve (9) with one end extending to the inside of the communicating pipe is arranged on the outer side of the communicating pipe (8), an oil outlet pipe (10) with one end extending to the right side of the inner wall of the heating box (3) is arranged on the right side of the inner wall of the heating box (3), a second valve (11) with one end extending to the inside of the outer side of the oil outlet pipe (10), the right side of heating cabinet (3) is provided with one end and runs through and extend to its inside vacuum assembly (13), and the top of heating cabinet (3) is provided with one end and runs through and extend to its inside condensation subassembly (14), and the interior diapire of heating cabinet (3) is provided with hot plate (15), its characterized in that: the top of rose box (2) is provided with drive assembly (5) that one end runs through and extends to heater box (3) inside, be provided with clearance subassembly (7) of one end and filter screen (6) top laminating between the inner wall left and right sides of rose box (2), the other end of clearance subassembly (7) runs through and extends to the top of rose box (2) and meshes with drive assembly (5), the interior roof of heater box (3) is provided with one end and its inner wall right side swing joint and the other end and drive assembly (5) fixed connection's stirring subassembly (12).

2. The vacuum oil filter for the transformer according to claim 1, characterized in that: vacuum subassembly (13) include backup pad (131), the right side fixed mounting of heating cabinet (3) has backup pad (131) that are located oil pipe (10) top, the top fixed mounting of backup pad (131) has vacuum pump (132), vacuum pump (132) air inlet fixed mounting has one end to run through and extend to inside breathing pipe (133) of heating cabinet (3), the outside movable mounting of breathing pipe (133) has one end to extend to its inside third valve (134).

3. The vacuum oil filter for the transformer according to claim 1, characterized in that: condensation subassembly (14) include condenser (141), the top fixed mounting of heating cabinet (3) has condenser (141), the air inlet fixed mounting of condenser (141) has one end to run through and extend to inside gas-supply pipe (142) of heating cabinet (3), the one end fixed mounting that gas-supply pipe (142) are located heating cabinet (3) inside has air-collecting hopper (143).

4. The vacuum oil filter for the transformer according to claim 1, characterized in that: drive assembly (5) include driving motor (51), the top fixed mounting of rose box (2) has driving motor (51), the output shaft fixed mounting of driving motor (51) has one end to run through and extend to inside transmission shaft (52) of heater box (3), the outside fixed mounting of transmission shaft (52) has drive bevel gear (53) that are located rose box (2) top.

5. The vacuum oil filter for the transformer according to claim 4, characterized in that: the cleaning component (7) comprises a rotating shaft (71), the inner top wall of the filter box (2) is movably provided with the rotating shaft (71) one end of which extends to the top of the filter box, a driven bevel gear (72) meshed with the driving bevel gear (53) is fixedly arranged at the top of the rotating shaft (71), a turntable (73) is fixedly arranged at the bottom of the rotating shaft (71), a deflector rod (74) is fixedly arranged at the bottom of the turntable (73), a movable frame (75) sleeved outside the deflector rod (74) is movably arranged between the front side and the rear side of the inner wall of the filter box (2), a slide bar (76) positioned between the filter screen (6) and the movable frame (75) is fixedly arranged between the left side and the right side of the inner wall of the filter box (2), a moving rod (77) with one end sleeved outside the sliding rod (76) is fixedly arranged at the bottom of the moving frame (75), the bottom of the moving rod (77) is fixedly provided with a brush (78) with one end attached to the top of the filter screen (6).

6. The vacuum oil filter for the transformer according to claim 4, characterized in that: stirring subassembly (12) are including worm (121), the right side fixed mounting of transmission shaft (52) has worm (121) of one end and heating cabinet (3) inner wall right side swing joint, worm (121) are located the below of breathing pipe (133), the interior roof movable mounting of heating cabinet (3) has (mixing) shaft (122) that are located air-collecting hopper (143) right side, (mixing) shaft (122) are located the front side of worm (121), the outside fixed mounting of (mixing) shaft (122) has worm wheel (123) with worm (121) meshing, the equal fixed mounting in both sides of (mixing) shaft (122) is located worm wheel (123) below and quantity is three stirring vane (124).