CN211045225U - Three-dimensional reel iron core dry-type transformer - Google Patents
Three-dimensional reel iron core dry-type transformer Download PDFInfo
- Publication number
- CN211045225U CN211045225U CN201922472403.7U CN201922472403U CN211045225U CN 211045225 U CN211045225 U CN 211045225U CN 201922472403 U CN201922472403 U CN 201922472403U CN 211045225 U CN211045225 U CN 211045225U
- Authority
- CN
- China
- Prior art keywords
- coil
- phase
- clamping piece
- voltage
- channel steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a three-dimensional rolled iron core dry-type transformer, which comprises a three-dimensional rolled iron core, an upper clamping piece, a lower clamping piece, a coil, a low-voltage leading-out copper bar and a wiring panel; a three-dimensional wound iron core and a coil are arranged between the upper clamping piece and the lower clamping piece, and the coil is wound on a core column of the three-dimensional wound iron core; the coil comprises a low-voltage coil and a high-voltage coil; a wiring panel is arranged on one side of the phase B coil, and a wiring terminal A, a wiring terminal B and a wiring terminal C are sequentially arranged at the upper end of the wiring panel; the high voltage is of a D-type wiring type; and the low-voltage lead-out copper is arranged on the upper clamping pieces on one sides of the A-phase coil and the C-phase coil which are opposite to the B-phase coil, and is sequentially arranged at C, B, a and 0. The utility model avoids the direct contact between the impurities in the air and the transformer coil, greatly improves the safety performance, and makes positive contribution to the aspects of environmental protection and the like; meanwhile, the high-voltage lead and the tap are connected to the wiring panel, gear shifting can be facilitated, workers do not need to rotate around the transformer, and efficiency and safety are improved.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a three-dimensional wound iron core dry-type transformer.
Background
In order to comply with the national policy of energy conservation and emission reduction and reduce the pollution of oil in an oil-immersed transformer and the energy consumption as much as possible, a transformer without liquid insulation, namely a dry-type transformer exists in the market, the dry-type transformer is roughly divided into an epoxy resin pouring type transformer and a semi-encapsulated dry-type transformer, wherein a lead of the epoxy resin pouring dry-type transformer is completely wrapped by epoxy resin, the damage and the maintenance of one section of the lead are difficult, and the epoxy resin needs to be strictly controlled in the using process so as not to pollute the environment. Even though the semi-encapsulated dry-type transformer exists in the market, the transformer is basically in a plane laminated iron core type and has performance inferior to that of a three-dimensional rolled iron core type transformer, and meanwhile, the loss is relatively high due to the adoption of the open folded iron core.
Meanwhile, gears of the transformer in the prior art need to rotate around the transformer, and one gear can only be adjusted on one surface, so that the transformer is inconvenient to adjust and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a three-dimensional iron core dry-type transformer that rolls up.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a three-dimensional wound core dry-type transformer comprises a three-dimensional wound core, an upper clamping piece, a lower clamping piece, a coil, a low-voltage lead-out copper bar and a wiring panel; a three-dimensional wound iron core and a coil are arranged between the upper clamping piece and the lower clamping piece, and the coil is wound on a core column of the three-dimensional wound iron core; the coils comprise a low-voltage coil and a high-voltage coil, and the wound coils are marked as an A-phase coil, a B-phase coil and a C-phase coil; a wiring panel is arranged on one side of the phase B coil, and a wiring terminal A, a wiring terminal B and a wiring terminal C are sequentially arranged at the upper end of the wiring panel; the high-voltage coil head of the phase A coil is connected with the tail ends of the high-voltage coils of the phase A coil and the phase C coil, the high-voltage coil head of the phase B coil is connected with the tail ends of the high-voltage coils of the phase B coil and the phase A coil, the high-voltage coil head of the phase C coil is connected with the tail ends of the high-voltage coils of the phase C coil and the phase B coil, and meanwhile, a tap is led to a wiring panel; and the low-voltage lead-out copper is arranged on the upper clamping pieces on one sides of the A-phase coil and the C-phase coil which are opposite to the B-phase coil, and is sequentially arranged at C, B, a and 0.
Furthermore, the three-dimensional rolled iron core is formed by splicing three single frames; the included angle between two adjacent single frames is 60 degrees.
Furthermore, the upper clamping piece and the lower clamping piece are formed by welding channel steel with corresponding sizes, the upper clamping piece is hexagonal, the hexagon is formed by alternately welding a first channel steel and a second channel steel, the length of the first channel steel is larger than that of the second channel steel, the included angle between the adjacent first channel steel and the adjacent second channel steel is 120 degrees, and a trapezoidal reinforcing plate is welded in the second channel steel; the lower clamping piece and the upper clamping piece have the same structure, a first channel steel of the upper clamping piece is connected with a first channel steel of the lower clamping piece through a screw, and a reinforcing plate of a second channel steel of the upper clamping piece is connected with a reinforcing plate of a second channel steel of the lower clamping piece through a screw; the base is installed to the below of lower folder, and wiring panel is installed to two sides of the channel-section steel that B looks coil is right.
Furthermore, the coil comprises a low-voltage coil and a high-voltage coil, and the low-voltage coil is wound on the iron core of the three-dimensional wound iron core in a foil winding or wire winding mode; the high-voltage coil is an enameled or H-level insulated encapsulated copper wire which is sleeved outside the low-voltage coil.
Furthermore, the transformer is provided with a shell, and a high-low voltage side door is arranged on the shell.
Furthermore, the head adopts a copper pipe to externally mould a thermoplastic pipe for connection, and the tap position adopts a round copper wire or a cable and wraps an insulating material.
Furthermore, the upper end of the wiring panel is sequentially provided with a wiring terminal A, a wiring terminal B and a wiring terminal C, and taps 2-7 are arranged below the wiring terminals A, B and C.
Has the advantages that: the utility model has good symmetry, balanced three phases, low no-load loss and low noise by the iron core structure, and the coil adopts paint dipping or is provided with a shell, thereby avoiding the direct contact between impurities in the air and the transformer coil, greatly improving the safety performance and making positive contribution to the aspects of environmental protection and the like; meanwhile, the high-voltage lead and the tap are connected to the wiring panel, gear shifting can be facilitated, workers do not need to rotate around the transformer, and operation efficiency and safety are improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
fig. 3 is a schematic view of the junction panel of the present invention;
FIG. 4 is a side view of the overall structure of the present invention;
fig. 5 is the high-voltage wiring schematic diagram of the present invention.
In the figure: 1 wiring panel, 2 upper clamping pieces, 3 three-dimensional rolled iron cores, 4 coils, 5 lower clamping pieces and 6 low-voltage lead-out copper bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The transformer aims to realize energy conservation and emission reduction of the transformer, has less pollution to the environment, reduces the processing difficulty, ensures the product performance, is convenient to maintain and repair and the like. The existing three-dimensional wound iron core production and processing technology is deeply researched for semi-encapsulated dry type transformers, and the scheme comprises a three-dimensional wound iron core dry type transformer adopting an impregnation process and a three-dimensional wound iron core dry type transformer adopting a special insulating paper cake type winding process.
With reference to fig. 1-4, a three-dimensional wound core dry-type transformer includes a three-dimensional wound core 3, an upper clamp 2, a lower clamp 5, a coil 4, a low-voltage lead-out copper bar 6 and a wiring panel 1; a three-dimensional wound iron core 3 and a coil 4 are arranged between the upper clamping piece 2 and the lower clamping piece 5, and the coil 4 is wound on a core column of the three-dimensional wound iron core 3; the coil 4 comprises a low-voltage coil and a high-voltage coil, and the wound coils are marked as an A-phase coil, a B-phase coil and a C-phase coil; a wiring panel 1 is arranged on one side of the phase B coil, and a wiring terminal A, a wiring terminal B and a wiring terminal C are sequentially arranged at the upper end of the wiring panel 1 in combination with the attached figure 3; the head of the high-voltage coil of the phase A coil is connected with the tail ends of the high-voltage coils of the phase A coil and the phase C coil, the head of the high-voltage coil of the phase B coil is connected with the tail ends of the high-voltage coils of the phase B coil and the phase A coil, the head of the high-voltage coil of the phase C coil is connected with the tail ends of the high-voltage coils of the phase C coil and the phase B coil, and meanwhile, a tap is led to the wiring panel 1; with reference to fig. 1 and 2, the low-voltage lead-out copper bar 6 is arranged on the upper clamping piece 2 on one side of the phase a coil and the phase C coil opposite to the phase B coil, and is sequentially provided with C, B, a and 0. The wiring panel 1 is made of epoxy plates or other insulating materials, and the three-dimensional rolled iron core is a closed three-dimensional rolled iron core which is produced and processed according to the design requirement and is formed by splicing three single frames.
With reference to fig. 2, the three-dimensional iron core 3 is formed by splicing three single frames; the included angle between two adjacent single frames is 60 degrees. The three-dimensional rolled iron core is seen as a regular triangle in a depression mode, and winding is carried out after the single frames are spliced and fixed in an insulating mode.
With reference to the attached drawings 1 and 2, the upper clamping piece 2 and the lower clamping piece 5 are formed by welding channel steel with corresponding sizes, the upper clamping piece 2 is hexagonal, the hexagon is formed by alternately welding a first channel steel and a second channel steel, the length of the first channel steel is larger than that of the second channel steel, the included angle between the adjacent first channel steel and the adjacent second channel steel is 120 degrees, and a trapezoidal reinforcing plate is welded in the second channel steel; the lower clamping piece 5 and the upper clamping piece 2 have the same structure, a first channel steel of the upper clamping piece 2 is connected with a first channel steel of the lower clamping piece 5 through a screw, and a reinforcing plate of a second channel steel of the upper clamping piece 2 is connected with a reinforcing plate of a second channel steel of the lower clamping piece 5 through a screw; the base is installed below the lower clamping piece 5, and the wiring panel 1 is installed on one side of the channel steel two opposite to the coil of the phase B.
The coil 4 comprises a low-voltage coil and a high-voltage coil, and the low-voltage coil is wound on the iron core of the three-dimensional iron winding core 3 in a foil winding or wire winding mode; the high-voltage coil is an enameled or H-level insulated encapsulated copper wire which is sleeved outside the low-voltage coil. And the coils are wound on the iron core column by a specific winding fluted disc. And after the transformer is clamped and fixed, determining whether paint is dipped or not according to the actual condition and the type of the high-voltage coil.
The transformer is provided with a shell, and a high-low voltage side door is arranged on the shell. The operation such as the gear shifting of working a telephone switchboard, etc. is conveniently carried out, and the staff need not rotate the wiring around the transformer to shift gears.
The head adopts the connection of copper pipe outer plastic thermoplastic pipe, and the tap position adopts round copper line or cable and parcel insulating material.
Binding post A, binding post B and binding post C are in proper order in wiring panel 1 upper end, and binding post A, B and C below are tap 2-7.
FIG. 5 shows a high-voltage connection mode, in which three connection installation connection requirements of alternating current are connected with a connection terminal A, a connection terminal B and a connection terminal C of a connection panel 1, the head of a high-voltage coil of an A-phase coil is connected with the tail ends of the connection terminal A and the high-voltage coil of a C-phase coil, the head of a high-voltage coil of a B-phase coil is connected with the tail ends of the connection terminal B and the high-voltage coil of the A-phase coil, and the head of a high-voltage coil of the C-phase coil is connected with the tail ends of; at the same time, the tap is also led to the terminal board 1, and the gear positions of the three coils can be adjusted from the terminal board 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A three-dimensional wound core dry-type transformer is characterized by comprising a three-dimensional wound core (3), an upper clamping piece (2), a lower clamping piece (5), a coil (4), a low-voltage lead-out copper bar (6) and a wiring panel (1); a three-dimensional wound iron core (3) and a coil (4) are arranged between the upper clamping piece (2) and the lower clamping piece (5), and the coil (4) is wound on a core column of the three-dimensional wound iron core (3); the coil (4) comprises a low-voltage coil and a high-voltage coil, and the wound coils are marked as an A-phase coil, a B-phase coil and a C-phase coil; a wiring panel (1) is installed on one side of the phase B coil, and a wiring terminal A, a wiring terminal B and a wiring terminal C are sequentially arranged at the upper end of the wiring panel (1); the head of the high-voltage coil of the phase A coil is connected with the tail ends of the high-voltage coils of the phase A coil and the phase C coil, the head of the high-voltage coil of the phase B coil is connected with the tail ends of the high-voltage coils of the phase B coil and the phase A coil, the head of the high-voltage coil of the phase C coil is connected with the tail ends of the high-voltage coils of the phase C coil and the phase B coil, and meanwhile, a tap is led to a wiring panel (1); the low-voltage lead-out copper bar (6) is arranged on the upper clamping piece (2) on one side of the A-phase coil and the C-phase coil which are opposite to the B-phase coil and is sequentially provided with C, B, a and 0.
2. The three-dimensional wound core dry-type transformer according to claim 1, wherein the three-dimensional wound core (3) is formed by splicing three single frames; the included angle between two adjacent single frames is 60 degrees.
3. The three-dimensional wound core dry-type transformer according to claim 1, wherein the upper clamping piece (2) and the lower clamping piece (5) are formed by welding channel steels with corresponding sizes, the upper clamping piece (2) is hexagonal, the hexagon is formed by alternately welding a first channel steel and a second channel steel, the first channel steel is longer than the second channel steel, the included angle between the adjacent first channel steel and the adjacent second channel steel is 120 degrees, and a trapezoidal reinforcing plate is welded in the second channel steel; the lower clamping piece (5) and the upper clamping piece (2) have the same structure, a first channel steel of the upper clamping piece (2) is connected with a first channel steel of the lower clamping piece (5) through a screw rod, and a reinforcing plate of a second channel steel of the upper clamping piece (2) is connected with a reinforcing plate of a second channel steel of the lower clamping piece (5) through a screw rod; a base is arranged below the lower clamping piece (5), and a wiring panel (1) is arranged on one side of the channel steel opposite to the coil of the phase B.
4. The three-dimensional wound core dry-type transformer according to claim 1, wherein the coil (4) comprises a low-voltage coil and a high-voltage coil, and the low-voltage coil is wound on the core of the three-dimensional wound core (3) in a foil winding or wire winding manner; the high-voltage coil is an enameled or H-level insulated encapsulated copper wire which is sleeved outside the low-voltage coil.
5. The three-dimensional wound core dry-type transformer according to claim 1, wherein the transformer has a housing with high and low voltage side doors.
6. The three-dimensional wound core dry-type transformer according to claim 1, wherein the head is connected by a copper pipe external plastic-thermoplastic pipe, and the tap position is wrapped by a round copper wire or a cable and an insulating material.
7. The three-dimensional wound core dry-type transformer according to claim 1, wherein the upper end of the wiring panel (1) is provided with a wiring terminal A, a wiring terminal B and a wiring terminal C in sequence, and the lower parts of the wiring terminals A, B and C are provided with taps 2-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922472403.7U CN211045225U (en) | 2019-12-31 | 2019-12-31 | Three-dimensional reel iron core dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922472403.7U CN211045225U (en) | 2019-12-31 | 2019-12-31 | Three-dimensional reel iron core dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045225U true CN211045225U (en) | 2020-07-17 |
Family
ID=71537751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922472403.7U Active CN211045225U (en) | 2019-12-31 | 2019-12-31 | Three-dimensional reel iron core dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045225U (en) |
-
2019
- 2019-12-31 CN CN201922472403.7U patent/CN211045225U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203982998U (en) | A kind of axially tripartition transformer low voltage winding leads structure | |
| CN201749770U (en) | Resin insulation 3D iron core dry type transformer equipped with new lead wire structure | |
| CN201503765U (en) | Through type low-tension current mutual inductor | |
| CN211045225U (en) | Three-dimensional reel iron core dry-type transformer | |
| CN203774075U (en) | Welded power transformer of annular printed circuit board | |
| CN206864283U (en) | A kind of resistance to shorting structure of amorphous alloy transformer | |
| CN201708012U (en) | Resin-cast rectangular dry-type transformer | |
| CN217361336U (en) | Low-voltage foil coil outgoing line structure for double-split transformer | |
| CN101834056A (en) | Resin-cast rectangular dry-type transformer | |
| CN204441047U (en) | 110kV level energy-saving oil immersed three dimensional wound core power transformer | |
| CN2671230Y (en) | Active voltage regulator for large non-excited transformer | |
| CN201788782U (en) | High-frequency transformer | |
| CN204760203U (en) | Dry -type on -load voltage -regulating transformer with wiring copper bar | |
| CN101471171A (en) | Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof | |
| CN103489590A (en) | Solid high-voltage pin configuration of rolled iron core resin pouring dry type transformer | |
| CN202940106U (en) | Dry-type transformer with open coiled iron cores | |
| CN103413654B (en) | Dry type transformer for deepwater | |
| CN201681701U (en) | Amorphous alloy transformer | |
| CN101471170A (en) | Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof | |
| CN216487673U (en) | Outdoor three-phase low-voltage combined current transformer | |
| CN204441049U (en) | Gas-insulating type three dimensional wound core power transformer | |
| CN203325657U (en) | Dry type transformer used for deep water | |
| CN200972825Y (en) | Combined mutual inductor | |
| CN204441048U (en) | Rewinding material railway traction transformer | |
| CN203733602U (en) | Three-phase and three-column amorphous alloy oil-immersed transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |