CN113488320B - High-low voltage transformer with high safety protection performance - Google Patents

High-low voltage transformer with high safety protection performance Download PDF

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Publication number
CN113488320B
CN113488320B CN202111043195.4A CN202111043195A CN113488320B CN 113488320 B CN113488320 B CN 113488320B CN 202111043195 A CN202111043195 A CN 202111043195A CN 113488320 B CN113488320 B CN 113488320B
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iron core
fixedly connected
transformer
plate
heat dissipation
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CN113488320A (en
Inventor
周轶君
朱敏
钱亮
潘志云
张培培
朱桐森
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Jiangsu Yongda Electric Power Metal Fittings Co ltd
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Jiangsu Yongda Electric Power Metal Fittings Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • 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
    • H01F27/02—Casings
    • 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
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
    • 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
    • H01F27/085—Cooling by ambient air
    • 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
    • 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
    • H01F27/22—Cooling by heat conduction through solid or powdered fillings
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2876—Cooling
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • 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
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • 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
    • H01F27/33—Arrangements for noise damping

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformer Cooling (AREA)

Abstract

The invention discloses a high-low voltage transformer with high safety protection, which belongs to the technical field of transformers and comprises a transformer shell, wherein a module adjustable iron core mechanism is arranged in an inner cavity of the transformer shell, an inserting mechanism for cooling oil liquid to be silenced is fixedly arranged at the bottom of the iron core mechanism, the inserting mechanism is fixedly arranged in the inner cavity of the transformer shell, a corresponding insulator is arranged at the top of the iron core mechanism, a winding is adjustably arranged on the outer side wall of the iron core mechanism, and a self-cleaning wiring protection mechanism is fixedly arranged at the position, corresponding to the insulator, of the top of the winding. According to the invention, the heat dissipation control of the winding is favorably realized, the iron core main body can enter the transformer heat dissipation oil liquid through the openings at the two sides, and the heat dissipation treatment of the winding and the iron core main body is ensured under the matching of the plurality of inserting spacers, so that the heat dissipation regulation capability of the iron core mechanism and the winding can be effectively improved, the subsequent maintenance universality is realized through the adjustable inserting spacers, and the dismounting maintenance efficiency is improved.

Description

High-low voltage transformer with high safety protection performance
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to a high-low voltage transformer with high safety protection performance.
Background
The high-low voltage transformer is used for carrying out voltage transformation on the circuit; current transformation, impedance transformation; isolating; the application scene of the voltage-stabilized power equipment requires higher application stability.
Chinese patent document CN107887114B discloses a low-voltage transformer with good heat dissipation effect, which comprises a housing, wherein the bottom of the inner wall of the housing is fixedly connected with a base, the left and right sides of the top of the base are both fixedly connected with supporting blocks, a transformer body is arranged above the supporting blocks, and the tops of the two supporting blocks are fixedly connected through the transformer body. The invention adopts the mutual matching mode of water cooling and air cooling to radiate the low-voltage transformer by arranging the filtering and drying plate, the cooling shell, the cooling box, the pump body, the water pump motor, the water through pipe, the water outlet pipe, the radiating shell, the vent pipe, the vent head, the blower shell, the blower motor, the air inlet pipe, the air inlet head and the air outlet pipe to be matched with each other, when the low-voltage transformer works, the radiating effect is ideal, but when the transformer is actually used, although the radiating of external heat can be realized through the matching of water cooling and air cooling, the terminal and the insulator at the wiring position can still cause the radiating effect to be influenced due to the existence of oil stains after the transformer is used for a long time, meanwhile, corresponding radiating means are lacked among windings in the transformer, and great noise can be generated when an oil circuit of the oil immersed transformer operates, so that the night life of nearby residents is influenced.
Disclosure of Invention
The invention aims to: the transformer aims to solve the problems that after a terminal and an insulator at a wiring position are used for a long time, the heat dissipation effect is still influenced due to the existence of oil stains, meanwhile, corresponding heat dissipation means are lacked among windings inside the transformer, and great noise is generated when an oil way of an oil-immersed transformer operates to influence the night life of nearby residents, so that the transformer with high safety protection performance is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high low voltage transformer of high safety protection nature, includes transformer housing, transformer housing inner chamber is equipped with module adjustable iron core mechanism, iron core mechanism bottom fixed mounting has the mechanism of planting that is used for cooling fluid amortization, and plants the mechanism and set firmly in transformer housing inner chamber, and iron core mechanism top is equipped with corresponding insulator, the adjustable winding of installing of iron core mechanism lateral wall, and the winding top sets firmly automatically cleaning wiring protection mechanism with the insulator corresponds the position, and transformer housing one side is equipped with oil circuit and the heat dissipation mechanism of heat dissipation usefulness.
As a further description of the above technical solution:
the iron core mechanism comprises an iron core main body movably connected with the inserting mechanism, an oil supply liquid circulation heat dissipation cavity is arranged in the iron core main body, openings are formed in two sides of the cavity of the iron core main body, a plurality of movable plates are connected in the openings in a limiting sliding mode, clamping seats are fixedly connected to two sides of each movable plate through attaching plates, and inserting spacers for separating windings are arranged in the clamping seats.
As a further description of the above technical solution:
the movable plate top fixed mounting has the fixed plate, spring fixedly connected with meshing board is passed through to fixed plate one side, meshing board meshes the toothed plate through one side fixed connection's tooth, toothed plate fixed connection is in the adjacent corresponding position of iron core main part inner chamber one side opening, meshing board top fixedly connected with slide bar, slide bar lateral wall cover is equipped with the sliding sleeve, and the sliding sleeve inlays and locates fixed plate one side and correspond the position, slide bar one end fixedly connected with stopper, the slide bar other end passes opening fixedly connected with handle.
As a further description of the above technical solution:
the wiring protection mechanism comprises a protection cover sleeved outside the insulator, wherein the two sides of the protection cover are fixedly connected to the top of the transformer shell through mounting parts, the inner cavity of the protection cover is slidably connected with a sliding plate, the bottom of the sliding plate is fixedly connected with a cleaning ring, fixing rods are fixedly connected to the two sides of the bottom of the sliding plate and penetrate through a bottom plate fixedly connected with the protection cover and the transformer shell, the bottom plate is sleeved outside the connecting terminal of the insulator, a floating bag is fixedly connected to the bottom of the bottom plate, the transformer shell and the fixing rods correspond to each other and are sealed through a sealing sleeve, and an elastic cover is embedded between the bottom of the sliding plate and the top of the transformer shell.
As a further description of the above technical solution:
the spout has all been seted up to protection casing inner chamber both sides, and sliding connection has the slider in the spout, and the slider sets firmly and corresponds the position with corresponding position slide one side, and slide cross sectional shape is the annular, and the wiring mouth has been seted up at the protection casing top.
As a further description of the above technical solution:
the heat dissipation mechanism comprises a heat exchanger, the heat exchanger is connected with an oil pump through an oil line pipeline, one side of the oil pump is communicated with the top of the inner cavity of the transformer shell through an oil pumping pipeline, the bottom of the heat exchanger is communicated with the bottom of the inner cavity of the transformer shell through an oil feeding pipeline, one side of the heat exchanger is fixedly connected with a heat absorption seat used for contact heat dissipation, and two heat dissipation fans are fixedly arranged on one side of the heat absorption seat.
As a further description of the above technical solution:
the inserting mechanism comprises a heat dissipation seat, the heat dissipation seat is sleeved on the outer side of the bottom end of the iron core mechanism, a silencing box is fixedly connected to the bottom of the top of the heat dissipation seat, the top of the silencing box is communicated with the iron core mechanism through a sleeve, a silencing sleeve is embedded in an inner cavity of the silencing box, and liquid leaking nozzles are embedded in two sides of the silencing box.
As a further description of the above technical solution:
the inserting mechanism further comprises a mounting seat, a sealing gasket is fixedly connected to the inner cavity of the mounting seat, the sealing gasket is sleeved outside the silencing box, and a baffle plate is fixedly connected to the inner cavity of the mounting seat and used for absorbing oil impact noise.
As a further description of the above technical solution:
the noise reduction sleeve is a foamed aluminum sleeve, and the baffle plate is of an inward inclined noise reduction structure.
As a further description of the above technical solution:
the silencing hole is formed in the outer side wall of the heat dissipation seat, and the inner cavity of the silencing hole extends inwards along the axis.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the designed iron core mechanism, the handle is pushed to drive the sliding rod to slide in the sliding sleeve during winding assembly, the sliding rod can drive the meshing plate connected with the bottom to realize separation of teeth and the meshing plate by moving, at the moment, the adjustment and displacement of the clamping seat on one side and the inserting spacer can be realized by pulling the moving plate, and then the blocking and heat dissipation of an external winding can be realized through the adjustable inserting spacer, so that the heat dissipation control of the winding is favorably realized, the iron core main body can enter the transformer heat dissipation oil liquid through the openings on the two sides, and the heat dissipation treatment of the winding and the iron core main body is ensured under the matching of the inserting spacers, so that the heat dissipation regulating capability of the iron core mechanism and the winding can be effectively improved, the subsequent maintenance universality is realized through the adjustable inserting spacer, and the dismounting maintenance efficiency is improved.
2. According to the invention, through the designed wiring protection mechanism, when transformer oil in an oil circuit is pumped and exchanged heat through an oil pump on one side, the relative position of the floating bag can be adjusted through the water level change of the oil, the buoyancy of the floating bag can assist the bottom plate and the fixing rods on two sides of the top to downwards drive the sliding plate and the cleaning ring to downwards move, the cleaning ring can drive the internal brush to clean the insulator and the wiring position at the moment, and when the oil level is increased after the heat exchange oil is injected into the transformer shell, the sliding plate and the bottom cleaning ring can upwards reset, so that the cleaning ring can be driven to carry out self-cleaning on the insulator through the change of the oil, the phenomenon that the oil and dust are adhered to and accumulate oil stains can be effectively avoided from the insulator and the wiring terminal, the integral durability is improved, the maintenance frequency is effectively prolonged, and the maintenance burden of a power grid is reduced.
3. According to the invention, through the designed inserting mechanism, after the iron core main body is inserted and connected to the corresponding position of the heat radiating seat, the heat radiating seat can be stably inserted and fixedly inserted with the iron core main body, oil can enter the pipe sleeve and the silencing box under the action of the injection pressure of the heat exchanger on one side, the silencing component in the silencing box can realize the heat radiation and absorption of the impact of the oil through the dense hole structure, and when the oil is moved out through the nozzles on two sides, the inwards inclined baffle plate can convert the impact force into the circulating force extending outwards, so that the frictional sound noise of the contact of the oil and the inner cavity of the transformer shell can be effectively reduced, the absorption of the flowing noise of the oil under the low-frequency working efficiency is effectively improved, and the noise influence on the nearby environment is reduced.
4. According to the invention, through the designed protective cover and the transformer shell, the protective cover can isolate external water liquid dust from entering, so that the safety protection capability on the outside is improved, the transformer shell can absorb and protect external impact, the heat dissipation mechanism can ensure the heat dissipation treatment requirement on an internal oil way, and the stability of the whole working state and the protection safety are effectively improved.
Drawings
Fig. 1 is a schematic perspective view of a high-voltage and low-voltage transformer with high safety protection according to the present invention;
fig. 2 is a schematic front sectional view of a high-voltage and low-voltage transformer with high safety protection according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a portion a of a high-low voltage transformer with high safety protection performance according to the present invention;
fig. 4 is an enlarged schematic structural diagram of a portion B of a high-voltage and low-voltage transformer with high safety protection performance according to the present invention;
fig. 5 is an enlarged schematic structural diagram of a part C of a high-voltage and low-voltage transformer with high safety protection performance according to the present invention;
fig. 6 is a schematic illustration of a three-dimensional splitting structure of a wiring protection mechanism of a high-low voltage transformer with high safety protection performance according to the present invention;
fig. 7 is a schematic perspective view of a part of an iron core mechanism of a high-and low-voltage transformer with high safety protection according to the present invention;
fig. 8 is a schematic perspective view of an insertion mechanism portion of a high-low voltage transformer with high safety protection provided in the present invention.
Illustration of the drawings:
1. a transformer housing; 2. a wiring protection mechanism; 201. a protective cover; 202. a wiring port; 203. a slider; 204. a slide plate; 205. cleaning a ring; 206. an elastic cover; 207. fixing the rod; 208. a base plate; 209. a floating bag; 3. an oil pump; 4. a heat dissipation mechanism; 401. a heat exchanger; 402. a heat absorbing seat; 403. a heat radiation fan; 5. a winding; 6. an iron core mechanism; 601. an iron core main body; 601. moving the plate; 602. attaching a plate; 603. inserting a spacer; 604. a handle; 605. a slide bar; 606. a fixing plate; 607. a sliding sleeve; 608. a spring; 609. an engaging plate; 610. teeth; 611. a toothed plate; 612. an iron core main body; 7. an insertion mechanism; 701. a heat dissipation base; 702. pipe sleeve; 703. a silencing box; 704. a silencing sleeve; 705. a blocking plate; 706. a mounting seat; 707. a gasket; 8. an insulator.
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. 1-8, the present invention provides a technical solution: a high-low voltage transformer with high safety protection performance comprises a transformer shell 1, a module adjustable iron core mechanism 6 is arranged in an inner cavity of the transformer shell 1, an inserting mechanism 7 used for cooling oil liquid to be silenced is fixedly arranged at the bottom of the iron core mechanism 6, the inserting mechanism 7 is fixedly arranged in the inner cavity of the transformer shell 1, a corresponding insulator 8 is arranged at the top of the iron core mechanism 6, a winding 5 is adjustably arranged on the outer side wall of the iron core mechanism 6, a self-cleaning wiring protection mechanism 2 is fixedly arranged at the top of the winding 5 corresponding to the insulator 8, an oil path heat dissipation mechanism 4 for heat dissipation is arranged at one side of the transformer shell 1, the iron core mechanism 6 comprises an iron core main body 612 movably connected with the inserting mechanism 7, a cavity for flowing and dissipating heat of the oil liquid is arranged in the iron core main body 612, openings are formed in two sides of the cavity of the iron core main body 612, and a plurality of movable plates 601 can be connected in a limiting and sliding mode in the openings, and the both sides of moving plate 601 all are through laminating board 602 fixedly connected with cassette, and the cassette is inserted and is put the spacer 603 of inserting that separation winding 5 used, moving plate 601 top fixed mounting has fixed plate 606, fixed plate 606 one side is through spring 608 fixedly connected with meshing board 609, meshing board 609 meshes toothed plate 611 through tooth 610 of one side fixed connection, toothed plate 611 fixed connection is in the adjacent corresponding position of iron core main part 612 inner chamber one side opening, meshing board 609 top fixedly connected with slide bar 605, slide bar 605 lateral wall cover is equipped with sliding sleeve 607, and sliding sleeve 607 inlays and locates the corresponding position of fixed plate 606 one side, slide bar 605 one end fixedly connected with stopper, the slide bar 605 other end passes opening fixedly connected with handle 604.
The implementation mode is specifically as follows: the circulation of heat dissipation oil can be guaranteed to the integrative punching press cavity in the iron core main part 612, the iron core main part 612 through lightweight design improves the fixed stay to winding 5 in the cooperation of inserting spacer 603, and spring 608 can utilize self elasticity to guarantee one side engagement plate 609 and tooth 610 to the spacing ability of pinion rack 611, and pinion rack 611 can realize inserting the step-by-step regulation of spacer 603 through the cooperation with tooth 610, then can further improve the adaptability to winding 5, and slide bar 605 is more stable through the slip in sliding sleeve 607, avoid rocking the displacement that the skew leads to inserting spacer 603.
The wiring protection mechanism 2 comprises a protection cover 201 sleeved outside an insulator 8, two sides of the protection cover 201 are fixedly connected to the top of a transformer shell 1 through mounting pieces, a sliding plate 204 is slidably connected to an inner cavity of the protection cover 201, the bottom of the sliding plate 204 is fixedly connected with a cleaning ring 205, two sides of the bottom of the sliding plate 204 are fixedly connected with fixing rods 207, the fixing rods 207 penetrate through the protection cover 201 and a bottom plate 208 fixedly connected in the transformer shell 1, the bottom plate 208 is sleeved outside a connecting terminal of the insulator 8, a floating bag 209 is fixedly connected to the bottom of the bottom plate 208, the corresponding position of the transformer shell 1 and the fixing rods 207 is sealed through a sealing sleeve, an elastic cover 206 is embedded between the bottom of the sliding plate 204 and the top of the transformer shell 1, sliding grooves are formed in two sides of the inner cavity of the protection cover 201, sliding blocks 203 are slidably connected in the sliding grooves, and the sliding blocks 203 are fixedly arranged at the corresponding positions on one side of the sliding plate 204 corresponding positions, the cross section of the sliding plate 204 is annular, and the top of the protective cover 201 is provided with a wiring port 202.
The implementation mode is specifically as follows: annular slide 204 slides more stably in the spout of guard shield inner chamber through slider 203, and slide 204 can realize the absorption of resisting of impact through bottom slidable dead lever 207, and the transformer can be avoided taking place to leak to the outside gland that corresponds the position with dead lever 207 of transformer housing 1, and inside elasticity cover 206 can further improve the absorptive capacity to outside impact, can utilize self elasticity to improve the stability that fluid goes up and down to reset when improving assembly protective capacity, and elasticity cover 206 self ripple structure can avoid influencing the buoyancy influence of bottom flotation cell 209, and preferred flotation cell 209 can be inflated through self and the buoyancy that the different diameters of insulator 8 assembly of model selection regulation adaptation cleaned ring 205 needs.
The heat dissipation mechanism 4 comprises a heat exchanger 401, the heat exchanger 401 is connected with an oil pump 3 through an oil pipeline, one side of the oil pump 3 is communicated with the top of an inner cavity of the transformer housing 1 through an oil pumping pipeline, the bottom of the heat exchanger 401 is communicated with the bottom of the inner cavity of the transformer housing 1 through an oil feeding pipeline, one side of the heat exchanger 401 is fixedly connected with a heat absorption seat 402 for contact heat dissipation, two heat dissipation fans 403 are fixedly arranged on one side of the heat absorption seat 402, the insertion mechanism 7 comprises a heat dissipation seat 701, the heat dissipation seat 701 is sleeved on the outer side of the bottom end of the iron core mechanism 6, a silencing box 703 is fixedly connected to the bottom of the top of the heat dissipation seat 701, the top of the silencing box 703 is communicated with the iron core mechanism 6 through a sleeve, a silencing sleeve 704 is embedded in the inner cavity of the silencing box 703, liquid leakage nozzles are embedded in two sides of the silencing box 703, the insertion mechanism 7 further comprises a mounting seat 706, and a sealing gasket 707 is fixedly connected to the inner cavity of the mounting seat 706, and the sealing gasket 707 is sleeved outside the silencing box 703, and the mounting seat 706 is fixedly connected with a baffle plate 705 for absorbing oil impact noise in an inner cavity, the silencing sleeve 704 is a foamed aluminum sleeve, the baffle plate 705 is an inward inclined silencing structure, a silencing hole is formed in the outer side wall of the heat dissipation seat 701, and the inner cavity of the silencing hole extends inwards along the axis.
The implementation mode is specifically as follows: the outside bloop of heat dissipation seat 701 can carry out the vortex to the circulation after offsetting the impact and handle, can further improve the amortization throughput then, transformer cooling fluid absorbs winding 5 and inside iron core main part 612 heat back rebound, and one side oil pump 3 can extract hotter transformer cooling fluid this moment and get into heat exchanger 401 and lead to through radiator fan 403 blast blowing sweeps through one side heat transfer seat heat absorption, avoids the heat to continuously pile up and influences the radiating efficiency.
The working principle is as follows: when the winding device is used, when the winding 5 is assembled, the sliding rod 605 can be driven to slide in the sliding sleeve 607 by pushing the handle 604, the sliding rod 605 can move to drive the meshing plate 609 connected with the bottom to separate the teeth 610 from the meshing plate 609, at the moment, the fixed plate 606 and the moving plate 601 can be driven to move downwards by pulling the handle 604 to realize the adjustment and displacement of the one-side clamping seat and the inserting spacer 603, after the height position is adjusted, the sliding rod 605 on one side is loosened, at the moment, the spring 608 can drive the meshing plate 609 on one side and the teeth 610 to be attached and fixed to be limited with the tooth plate 611 on one side by utilizing the self elasticity, the inserting spacer 603 on one side is clamped into the clamping seat through the circular end at the tail end to realize the spacer assembling, and the winding 5 is assembled outside the spacer;
when transformer oil in an oil way is pumped and exchanges heat through the oil pump 3 on one side, the relative position of the floating bag 209 can be adjusted through the water level change of the oil, the buoyancy of the floating bag 209 can assist the bottom plate 208 and the fixing rods 207 on two sides of the top to drive the sliding plate 204 and the cleaning ring 205 downwards to move, and the cleaning ring 205 can drive an internal brush to clean the insulator 8 and a wiring part;
after the iron core main body 612 is inserted and connected to the corresponding position of the heat dissipation seat 701, the heat dissipation seat 701 can be stably inserted and fixed with the iron core main body 612, oil can enter the pipe sleeve 702 and the silencing box 703 under the action of injection pressure of the heat exchanger 401 on one side, and silencing components in the silencing box 703 can dissipate and absorb the impact of the oil through a dense hole structure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A high-voltage and low-voltage transformer with high safety protection performance comprises a transformer shell (1) and is characterized in that a module adjustable iron core mechanism (6) is arranged in an inner cavity of the transformer shell (1), an inserting mechanism (7) used for cooling oil silencing is fixedly installed at the bottom of the iron core mechanism (6), the inserting mechanism (7) is fixedly arranged in the inner cavity of the transformer shell (1), a corresponding insulator (8) is arranged at the top of the iron core mechanism (6), a winding (5) is adjustably installed on the outer side wall of the iron core mechanism (6), a self-cleaning wiring protection mechanism (2) is fixedly arranged at the position, corresponding to the insulator (8), of the top of the winding (5), and an oil path and a heat dissipation mechanism (4) for heat dissipation are arranged on one side of the transformer shell (1);
the iron core mechanism (6) comprises an iron core main body (612) movably connected with the inserting mechanism (7), an oil supply liquid circulation heat dissipation cavity is formed in the iron core main body (612), openings are formed in two sides of the cavity of the iron core main body (612), a plurality of movable plates (601) are connected in the openings in a limiting sliding mode, clamping seats are fixedly connected to two sides of each movable plate (601) through attaching plates (602), and inserting spacers (603) for separating windings (5) are inserted into the clamping seats.
2. The transformer with high safety protection performance and low voltage according to claim 1, wherein a fixed plate (606) is fixedly mounted at the top of the moving plate (601), one side of the fixed plate (606) is fixedly connected with an engaging plate (609) through a spring (608), the engaging plate (609) is engaged with a toothed plate (611) through a toothed tooth (610) fixedly connected with one side, the toothed plate (611) is fixedly connected at a corresponding position adjacent to an opening at one side of an inner cavity of the iron core main body (612), a sliding rod (605) is fixedly connected at the top of the engaging plate (609), a sliding sleeve (607) is sleeved on the outer side wall of the sliding rod (605), the sliding sleeve (607) is embedded at a corresponding position at one side of the fixed plate (606), a limiting block is fixedly connected at one end of the sliding rod (605), and a handle (604) is fixedly connected at the other end of the sliding rod (605) through the opening.
3. The high-voltage and low-voltage transformer with high safety protection performance as claimed in claim 1, wherein the wiring protection mechanism (2) comprises a protection cover (201) sleeved outside the insulator (8), both sides of the protection cover (201) are fixedly connected to the top of the transformer housing (1) through mounting members, a sliding plate (204) is slidably connected to an inner cavity of the protection cover (201), a cleaning ring (205) is fixedly connected to the bottom of the sliding plate (204), fixing rods (207) are fixedly connected to both sides of the bottom of the sliding plate (204), the fixing rods (207) penetrate through the protection cover (201) and a bottom plate (208) fixedly connected in the transformer housing (1), the bottom plate (208) is sleeved outside the connecting terminals of the insulator (8), a floating bag (209) is fixedly connected to the bottom of the bottom plate (208), and the transformer housing (1) and the fixing rods (207) are sealed by a sealing sleeve, an elastic cover (206) is embedded between the bottom of the sliding plate (204) and the top of the transformer shell (1).
4. The high-voltage and low-voltage transformer with high safety protection performance according to claim 3, wherein sliding grooves are formed in both sides of the inner cavity of the protection cover (201), sliding blocks (203) are connected in the sliding grooves in a sliding mode, the sliding blocks (203) are fixedly arranged at positions corresponding to one sides of the sliding plates (204) at corresponding positions, the cross section of each sliding plate (204) is annular, and wiring ports (202) are formed in the top of the protection cover.
5. The high-safety protection high-low voltage transformer is characterized in that the heat dissipation mechanism (4) comprises a heat exchanger (401), the heat exchanger (401) is connected with an oil pump (3) through an oil pipeline, one side of the oil pump (3) is communicated with the top of the inner cavity of the transformer housing (1) through an oil pumping pipeline, the bottom of the heat exchanger (401) is communicated with the bottom of the inner cavity of the transformer housing (1) through an oil feeding pipeline, a heat absorption seat (402) for contacting and dissipating heat is fixedly connected to one side of the heat exchanger (401), and two heat dissipation fans (403) are fixedly arranged on one side of the heat absorption seat (402).
6. The high-safety protection high-low voltage transformer according to claim 1, wherein the insertion mechanism (7) comprises a heat dissipation seat (701), the heat dissipation seat (701) is sleeved outside the bottom end of the iron core mechanism (6), a silencing box (703) is fixedly connected to the bottom of the top of the heat dissipation seat (701), the top of the silencing box (703) is communicated with the iron core mechanism (6) through a sleeve, a silencing sleeve (704) is embedded in an inner cavity of the silencing box (703), and liquid leakage nozzles are embedded in two sides of the silencing box (703).
7. The high-safety protection high-low voltage transformer according to claim 6, wherein the insertion mechanism (7) further comprises a mounting seat (706), a sealing gasket (707) is fixedly connected to an inner cavity of the mounting seat (706), the sealing gasket (707) is sleeved outside the silencing box (703), and a baffle plate (705) is fixedly connected to the inner cavity of the mounting seat (706) and used for absorbing oil impact noise.
8. A high-safety protection high-low voltage transformer according to any one of claims 6 to 7, characterized in that the noise reduction sleeve (704) is an aluminum foam sleeve, and the baffle plate (705) is an inward-inclined noise reduction structure.
9. The high-safety protection high-low voltage transformer according to claim 6, wherein a silencing hole is formed in an outer side wall of the heat dissipation seat (701), and an inner cavity of the silencing hole extends inwards along an axis.
CN202111043195.4A 2021-09-07 2021-09-07 High-low voltage transformer with high safety protection performance Active CN113488320B (en)

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CN114360858B (en) * 2022-02-22 2023-12-05 国网浙江省电力有限公司杭州供电公司 Stable transformer with protection structure convenient to detach
CN114864244B (en) * 2022-05-27 2024-06-28 深圳市施乐电气技术有限公司 Energy-saving transformer applied to medical isolation power supply system
CN115206641B (en) * 2022-09-19 2022-12-13 常州全知电器设备有限公司 Oil-immersed transformer oil tank
CN117524652B (en) * 2023-10-31 2024-04-30 苏州夏特电气有限公司 Oil immersed power transformer

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CN208400667U (en) * 2018-06-26 2019-01-18 深圳市嘉良电子有限公司 A kind of transformer convenient for heat dissipation
CN109148090A (en) * 2018-09-10 2019-01-04 安徽华正电气有限公司 A kind of pair and connects formula high overload energy conservation distribution dedicated transformer at side Multiple coil
CN110581009A (en) * 2019-09-23 2019-12-17 载宇(湖北)电气科技有限公司 Power transformer with good heat dissipation performance and capable of avoiding water tank damage
CN211265248U (en) * 2020-01-16 2020-08-14 天津市斯通电子有限公司 Transformer capable of reducing noise
CN112768207A (en) * 2020-12-30 2021-05-07 广州市怀吉电子科技有限公司 Sound insulation type oil immersed transformer

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