CN208673896U - A kind of Novel underground formula power transformer - Google Patents
A kind of Novel underground formula power transformer Download PDFInfo
- Publication number
- CN208673896U CN208673896U CN201821208107.5U CN201821208107U CN208673896U CN 208673896 U CN208673896 U CN 208673896U CN 201821208107 U CN201821208107 U CN 201821208107U CN 208673896 U CN208673896 U CN 208673896U
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- fuel tank
- cable connector
- tank
- seal
- transformer
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Abstract
The utility model discloses a kind of Novel underground formula power transformers, including waterproof sealing power cable connector ontology, fuel tank, transformer body and tank cover, it further include high-voltage cable connector and low voltage cable connector, the transformer body is in fuel tank, the fuel tank is provided with transformer insulation oil, the fuel tank is connected by fuel tank and tank cover by the tightening of tank cover fixing bolt, the fuel tank and tank cover are completed to seal by O-ring seal and limit round steel, the high-voltage cable connector and low voltage cable connector are fixed on the tank cover by connector fixing bolt, the high-voltage cable connector and low voltage cable connector pedestal are furnished with seal gasket.The Novel underground formula power transformer, fuel tank and cover board are made using materials such as stainless steels Jing Guo special soda acid process, can long period of soaking in water.
Description
Technical field
The utility model belongs to electrical equipment technical field, and in particular to a kind of Novel underground formula power transformer.
Background technique
The Covered transformer being widely used at present is mostly used oil-immersed transformer, reaches by the shell of oil-immersed transformer
Antiseep, the purpose of waterproof, but there are problems that following a few classes in actual operation: the high pressure of many Covered transformers connects
Mode is connect using separable connector (connect-disconnect plug) connection used in common European or American outdoor cable branch box, leakproofness
It is insufficient；The operation of many Covered transformers is drained by the suction pump built in ground, basic corner, once encounter heavy rain etc.
Big yield situation pours into underground foundation, just loses Excretion, so as to cause transformer station high-voltage side bus security risk；Its buried change
The high pressure connection type of depressor is exposed in melt pit using traditional silicon rubber mode that is flexible coupling, cannot effectively prevent toy and
The destruction of mechanical external force, to increase operation power security risk.
Utility model content
The purpose of this utility model is to provide a kind of not only energy conservations, but also can effective waterproof, the good Novel underground of leakproofness
Formula power transformer, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of Novel underground formula power transformer, packet
Include waterproof sealing power cable connector ontology, fuel tank, transformer body and tank cover, further include high-voltage cable connector and
Low voltage cable connector, for the transformer body in fuel tank, the fuel tank is provided with transformer insulation oil, the fuel tank
It is connected by fuel tank and tank cover by the tightening of tank cover fixing bolt, the fuel tank and tank cover pass through O-ring seal
It completes to seal with limit round steel, the high-voltage cable connector and low voltage cable connector are fixed on by connector fixing bolt
On the tank cover, the high-voltage cable connector and low voltage cable connector pedestal are furnished with seal gasket；
The waterproof sealing power cable connector body interior is equipped with conducting rod, and conducting rod both ends are reserved with removably
Conducting rod attaching nut, conducting rod connecting screw and rear blocking, are pressed on conducting rod with installation tool by rear blocking mounting hole
On screw rod, used for being compressed with external power cable connection；
The waterproof sealing power cable connector ontology cylindrical form structure, top sides are equipped with screw thread use inside and outside
It is shunk in connector sealing external cover and compresses ring type seal；
The side wall of the waterproof sealing power cable connector ontology is additionally provided with power cable and installs fixed preformed hole, electric power
Cable, which penetrates and passes through, enters waterproof sealing power cable connector body interior and conducting rod progress electricity inside Auxiliary support pipe
Road connection, the Auxiliary support pipe pass through the reserved Auxiliary support pipe screw thread of ontology and waterproof sealing power cable connector ontology
It is fixedly connected, while compressing the ring type seal being arranged on the fixed preformed hole of side wall of ontology, the Auxiliary support pipe end
Equipped with anti-skidding tongue and groove, convenient for tightening Auxiliary support pipe, seal box is arranged outside tank cover in the Auxiliary support pipe end
Round tube inner cavity；
It is equipped with pressurized container and low pressure seal case at the top of the underground type power transformer, seal box is welded on oil
Cover plate upper end, the seal box inside are equipped at least three or more waterproof sealing power cable connector ontologies；
It is equipped with seal box case lid at the top of the seal box, is shunk and is compressed by seal box fixing bolt and seal box；Institute
It is equipped with seal box limit round steel and the 2nd O type sealing ring between the seal box case lid stated and seal box inner tip, passes through tightening
Fixing bolt makes seal box case lid combine closely with the second O-ring seal；
The high pressure dish-type tap switch and pressure that voltage can be raised and lowered are equipped at the top of the underground type power transformer
Power relief valve and the hoisting ring in place convenient for lifting；
Surrounding can be equipped at least six fuel tank heat dissipations according to different capacitance grade outside the underground type power transformer
Piece, the fuel tank cooling fin are fixed by welding mounting plate of air-cooling fin with fuel tank；
The transformer body by disc-type or three-dimensional takeup type silicon steel sheet group at iron core, high-voltage paper copper-clad line winding group
Composition is wrapped respectively with seven copper-clad line winding group of low pressure；High-voltage paper copper-clad line winding group reserves connector lug in lead folder upper end and passes through
High-voltage connection and waterproof sealing power cable connector ontology are completed to connect by screw rod；Seven copper-clad line winding group of low pressure is in cable guide
Connector lug is reserved on part to be completed to connect by screw rod by low-voltage lead and waterproof sealing power cable connector ontology；
Transformer body, high-voltage connection and the low-voltage lead is fully immersed in the transformer insulation oil of fuel tank internal
In, upper end is equipped at least two outside the fuel tank or with top tank suspension hook, the fuel tank outside lower end is equipped with fixed branch
Channel steel is supportted, fixed support channel steel is welded together by fixed stiffening plate with oil tank bottom plate, and entire underground type power transformer is supported
Device main body level is located and is fixed on same ground level.
Preferably, the high-voltage cable connector and low voltage cable connector and conducting rod are by all insulation ring with high hardness
Oxygen resin and copper rod material are made.
Preferably, the fuel tank encapsulation process, the fuel tank and tank cover are by the material Jing Guo special soda acid process
Material is made, and waterproof ability is strong, is additionally provided at least six or more cooling fins outside the fuel tank.
Preferably, the transformer body of the fuel tank internal is isolated with the pedestal mounted in tank bottoms by insulating materials.
Preferably, the earth stud for ground connection is equipped at the top of the tank cover.
Preferably, the transformer body uses S11 type, S13 type, the energy-efficient iron core of SH15 type Amorphous Alloy.
Preferably, the fuel tank, tank cover, pressurized container, low pressure seal case and seal box case lid outer layer metal material
Material is all made of the stainless steel material production of waterproof antirust
The technical effect and advantage of the utility model:
1, the Novel underground formula power transformer uses the energy-efficient iron core of S11, S13 type SH15 Amorphous Alloy, compared with
Big reduces unloaded energy consumption and no-load current, meets energy-saving and environment-friendly requirement.
2, the tie point of the Novel underground formula power transformer high pressure inlet wire and low-pressure line-outgoing is all in the high-low pressure of sealing
In cable connector, cable connector is made by all insulation epoxide resin material with high hardness, effective dust-proof, is prevented
Tide, waterproof, anti-mechanical external force prevent toy accidental destruction.
3, the fuel tank of the Novel underground formula power transformer and cover board are using by the stainless of special soda acid process
The materials such as steel are made, can long period of soaking in water.
4, the cover board of the Novel underground formula power transformer and transformer body are affixed, and cover board is equipped with hanging ring, need to tie up
Only need to lay down the fastening bolt of connecting cover plate and fuel tank when repairing, entire cover board and transformer is sling using hanging ring can be convenient
Maintenance.
5, all fastening bolts of the Novel underground formula power transformer are all made of stainless steel material and are made, waterproof antirust,
Extend the service life of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: blocking mounting hole, 3 connector sealing external covers, 4 ring type seals, 5 conducting rods after 1 behind blocking, 2 and connect spiral shell
Bar, 6 conducting rod attaching nuts, 7 conducting rods, 8 waterproof sealing power cable connector ontologies, 9 high pressure dish-type tap switches, 10 pressures
Power relief valve, 11 hoisting rings, 12 Auxiliary support pipe screw threads, 13 ring type seals, 14 Auxiliary support pipes, 15 low pressure seal casees, 16
Seal gasket, 17 anti-skidding tongue and grooves, 18 connector fixing bolts, 19 tank cover fixing bolts, 20 low-voltage leads, 21 cable guides
It is part, 22 transformer bodies, 23 fuel tanks, 24 fixed stiffening plates, 25 fixed support channel steels, 26 oil tank bottom plates, 27 transformer insulated
Oil, 28 high-voltage connections, 29 fuel tank cooling fins, 30 mounting plate of air-cooling fin, 31 fuel tank suspension hooks, 32O type sealing ring, 33 limit round steel,
34 tank covers, 35 pressurized containers, 36 seal box case lids, 37 seal boxs limit round steel, 38 second O-ring seals, 39 sealings
Case fixing bolt, 40 round tubes, 41 iron cores.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of Novel underground formula power transformer as shown in Figure 1, including waterproof sealing electric power
Cable connector body 8, fuel tank 23, transformer body 22 and tank cover 34, further include high-voltage cable connector and low tension
Cable connector, for the transformer body 22 in the fuel tank, the fuel tank is provided with transformer insulation oil 27, the fuel tank by
Fuel tank 23 and tank cover 34 pass through the tightening connection of tank cover fixing bolt 19, and the fuel tank and tank cover 34 pass through O-shaped
Sealing ring 32 and limit round steel 33 are completed to seal, and the high-voltage cable connector and low voltage cable connector are fixed by connector
Bolt 18 is fixed on the tank cover 34, and the high-voltage cable connector and low voltage cable connector pedestal are furnished with sealant
Pad 16 makes cable connector and tank cover 34 reach sealing effect by fastening bolt；
Conducting rod 7 is equipped with inside the waterproof sealing power cable connector ontology 8,7 both ends of conducting rod are reserved with removable
The conducting rod attaching nut 6 that unloads, conducting rod connecting screw 5 and after block 1, compressed by rear blocking mounting hole 2 with installation tool
On conducting rod screw rod 5, used for being compressed with external power cable connection；
The 8 cylindrical form structure of waterproof sealing power cable connector ontology, top sides are equipped with screw thread inside and outside
It is shunk for connector sealing external cover 3 and compresses ring type seal 4 and used, reach the waterproof seal of connector；
The side wall of the waterproof sealing power cable connector ontology 8 is additionally provided with power cable and installs fixed preformed hole, electricity
Power cable, which penetrates and passes through, enters 8 inside of waterproof sealing power cable connector ontology and conducting rod 7 inside Auxiliary support pipe 14
Circuit connection is carried out, the Auxiliary support pipe 14 passes through the reserved Auxiliary support pipe screw thread 12 of ontology and waterproof sealing power cable
Connector body 8 is fixedly connected, while compressing the ring type seal 13 being arranged on the fixed preformed hole of side wall of ontology, reaches this
The waterproof sealing effect at place, 14 end of Auxiliary support pipe are equipped with anti-skidding tongue and groove 17, convenient for tightening Auxiliary support pipe 14, institute
State 40 inner cavity of round tube that 34 outside seal box of tank cover is arranged in 14 end of Auxiliary support pipe；
It is equipped with pressurized container 35 and low pressure seal case 15 at the top of the underground type power transformer, seal box welds
At least three or more waterproof sealing power cable connector ontologies are equipped with inside 34 upper end of tank cover, the seal box
8, it is used for underground type power transformer ontology and external connection power cable；Seal box case is equipped at the top of the seal box
Lid 36 is shunk by seal box fixing bolt 39 and seal box and is compressed；The seal box case lid 36 and seal box inner tip
Between be equipped with seal box limit round steel 37 and the second O-ring seal 38, seal box case lid 36 and the are made by tightening fixing bolt
Two O-ring seals 38, which are combined closely, reaches the waterproof sealing effect of its seal box；
The high pressure dish-type tap switch 9 that voltage can be raised and lowered and pressure are equipped at the top of the underground type power transformer
Power relief valve 10 and the hoisting ring 11 in place convenient for lifting, the pressure relief valve 10 can effectively discharge the change of underground type electric power
Depressor encounters the hot gas of special circumstances high temperature exothermic generation during running, thus the normal use and safety of effective protection transformer
Operation；
Surrounding can be equipped at least six fuel tank heat dissipations according to different capacitance grade outside the underground type power transformer
Piece 29, the heat for occurring during the operation of quick release underground type power transformer main body, so that the transformer of fuel tank internal
Body 22 runs the use of time and is winding is effectively cooled, and mitigates unnecessary load and loss；The fuel tank cooling fin 29 passes through
It is fixed to weld mounting plate of air-cooling fin 30 and fuel tank 23, effectively prevent cooling fin because accidental spill caused by external force is shaken or other
Unexpected situation；
The transformer body 22 by disc-type or three-dimensional takeup type silicon steel sheet group at iron core 41, high pressure paper-covered copper conductor
Winding and seven copper-clad line winding group of low pressure wrap composition respectively；High-voltage paper copper-clad line winding group reserves wiring in 21 upper end of lead folder
Head is completed to connect by high-voltage connection 28 and waterproof sealing power cable connector ontology 8 by screw rod；Seven copper-clad line of low pressure around
Group reserves connector lug on lead folder 21 and passes through spiral shell by low-voltage lead 20 and waterproof sealing power cable connector ontology 8
Bar completes connection；
Transformer body 22, high-voltage connection 28 and the low-voltage lead 20 is fully immersed in the transformer inside fuel tank 23
In insulating oil 27, the 23 outside upper end of fuel tank is equipped at least two or with top tank suspension hook 31,23 outside of fuel tank
Lower end is equipped with fixed support channel steel 25, and fixed support channel steel 25 passes through fixed stiffening plate 24 and welds together with oil tank bottom plate 26,
Entire underground type power transformer main body level is supported to be located and be fixed on same ground level.
The high-voltage cable connector and low voltage cable connector and conducting rod 7 are by all insulation epoxy resin with high hardness
It is made with copper rod material, the effective waterproof of energy, dust-proof, anti-mechanical external force prevents toy accidental destruction, ensures electric power electricity
It is tightly connected and uses between cable and underground type power transformer.
The fuel tank encapsulation process, the fuel tank and tank cover 34 are by the material system Jing Guo special soda acid process
At waterproof ability is strong, is additionally provided at least six or more cooling fins outside the fuel tank.
The transformer body 22 of the fuel tank internal is isolated with the pedestal mounted in tank bottoms by insulating materials.
The earth stud for ground connection is equipped at the top of the tank cover 34.
The transformer body 22 uses S11 type, S13 type, the energy-efficient iron core of SH15 Amorphous Alloy.
Fastening bolt, fuel tank, cover board, pressurized container and low pressure seal case are made of stainless steel material in this case.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of Novel underground formula power transformer, including waterproof sealing power cable connector ontology (8), fuel tank (23), change
Depressor body (22) and tank cover (34), further include high-voltage cable connector and low voltage cable connector, it is characterised in that: institute
Transformer body (22) are stated in fuel tank, the fuel tank is provided with transformer insulation oil (27), and the fuel tank is by fuel tank
(23) it is connected with tank cover (34) by tank cover fixing bolt (19) tightening, the fuel tank and tank cover (34) pass through
O-ring seal (32) and limit round steel (33) are completed to seal, and the high-voltage cable connector and low voltage cable connector pass through company
It connects device fixing bolt (18) to be fixed on the tank cover (34), the high-voltage cable connector and low voltage cable connector bottom
Seat is furnished with seal gasket (16)；
Conducting rod (7) are equipped with inside the waterproof sealing power cable connector ontology (8), conducting rod (7) both ends are reserved with can
Conducting rod attaching nut (6), conducting rod connecting screw (5) and the rear blocking (1) of disassembly, pass through rear blocking mounting hole (2) peace
Holding tool is pressed on conducting rod screw rod (5), is used for compressing with external power cable connection；
Waterproof sealing power cable connector ontology (8) the cylindrical form structure, top sides are equipped with screw thread use inside and outside
It is shunk in connector sealing external cover (3) and compresses ring type seal (4)；
The side wall of the waterproof sealing power cable connector ontology (8) is additionally provided with power cable and installs fixed preformed hole, electric power
Cable, which penetrates and passes through, enters waterproof sealing power cable connector ontology (8) inside and conducting rod inside Auxiliary support pipe (14)
(7) circuit connection is carried out, the Auxiliary support pipe (14) passes through the reserved Auxiliary support pipe screw thread (12) of ontology and waterproof sealing
Power cable connector ontology (8) is fixedly connected, while compressing the ring packing being arranged on the fixed preformed hole of side wall of ontology
It encloses (13), Auxiliary support pipe (14) end is equipped with anti-skidding tongue and groove (17), described auxiliary convenient for tightening Auxiliary support pipe (14)
Help round tube (40) inner cavity of support tube (14) end setting seal box outside tank cover (34)；
Pressurized container (35) and low pressure seal case (15) are equipped at the top of the underground type power transformer, seal box welds
At least three or more waterproof sealing power cable connector sheets are equipped with inside tank cover (34) upper end, the seal box
Body (8)；
Seal box case lid (36) are equipped at the top of the seal box, pass through seal box fixing bolt (39) and seal box systolic pressure
Tightly；It is O-shaped close equipped with seal box limit round steel (37) and second between the seal box case lid (36) and seal box inner tip
Seal (38) makes seal box case lid (36) combine closely with the second O-ring seal (38) by tightening fixing bolt；
The high pressure dish-type tap switch (9) and pressure that voltage can be raised and lowered are equipped at the top of the underground type power transformer
Relief valve (10) and the hoisting ring (11) in place convenient for lifting；
Surrounding can be furnished at least six fuel tank cooling fins according to different capacitance grade outside the underground type power transformer
(29), the fuel tank cooling fin (29) is fixed by welding mounting plate of air-cooling fin (30) and fuel tank (23)；
The transformer body (22) by disc-type or three-dimensional takeup type silicon steel sheet group at iron core (41), high pressure paper-covered copper conductor
Winding and seven copper-clad line winding group of low pressure wrap composition respectively；High-voltage paper copper-clad line winding group is reserved in lead folder (21) upper end and is connect
The end of a thread is completed to connect by high-voltage connection (28) and waterproof sealing power cable connector ontology (8) by screw rod；Low pressure seven is wrapped
Copper wire winding reserves connector lug on lead folder (21) and passes through low-voltage lead (20) and waterproof sealing power cable connector
Ontology (8) is completed to connect by screw rod；
Transformer body (22), high-voltage connection (28) and the low-voltage lead (20) is fully immersed in the internal change of fuel tank (23)
In depressor insulating oil (27), upper end is described equipped at least two or with top tank suspension hook (31) outside the fuel tank (23)
Lower end is equipped with fixed support channel steel (25) outside fuel tank (23), and fixed support channel steel (25) passes through fixed stiffening plate (24) and fuel tank
Bottom plate (26) welds together, and entire underground type power transformer main body level is supported to be located and be fixed on same ground level.
2. a kind of Novel underground formula power transformer according to claim 1, it is characterised in that: the high-tension cable connection
Device and low voltage cable connector with conducting rod (7) are made by all insulation epoxy resin with high hardness and copper rod material.
3. a kind of Novel underground formula power transformer according to claim 1, it is characterised in that: fuel tank (23) sealing
Processing, the fuel tank (23) and tank cover (34) are made of the material Jing Guo soda acid process, outside the fuel tank (23)
It is additionally provided at least six or more cooling fins.
4. a kind of Novel underground formula power transformer according to claim 1, it is characterised in that: the fuel tank (23) is internal
Transformer body (22) be isolated with mounted in the pedestals of tank bottoms by insulating materials.
5. a kind of Novel underground formula power transformer according to claim 1, it is characterised in that: the tank cover (34)
Top is equipped with the earth stud for ground connection.
6. a kind of Novel underground formula power transformer according to claim 1, it is characterised in that: the transformer body
(22) S11 type, S13 type, the energy-efficient iron core of SH15 type Amorphous Alloy are used.
7. a kind of Novel underground formula power transformer according to claim 1, it is characterised in that: the fuel tank (23), oil
Cover plate (34), pressurized container (35), low pressure seal case (15) and seal box case lid (36) outer layer metal material are all made of height
The stainless steel material of intensity antirust makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208107.5U CN208673896U (en) | 2018-07-28 | 2018-07-28 | A kind of Novel underground formula power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821208107.5U CN208673896U (en) | 2018-07-28 | 2018-07-28 | A kind of Novel underground formula power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673896U true CN208673896U (en) | 2019-03-29 |
Family
ID=65833437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821208107.5U Active CN208673896U (en) | 2018-07-28 | 2018-07-28 | A kind of Novel underground formula power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208673896U (en) |
-
2018
- 2018-07-28 CN CN201821208107.5U patent/CN208673896U/en active Active
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