CN214152684U - Automatic oil duct bonding machine heating device for interlayer insulation of oil-immersed transformer - Google Patents
Automatic oil duct bonding machine heating device for interlayer insulation of oil-immersed transformer Download PDFInfo
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- CN214152684U CN214152684U CN202120365701.0U CN202120365701U CN214152684U CN 214152684 U CN214152684 U CN 214152684U CN 202120365701 U CN202120365701 U CN 202120365701U CN 214152684 U CN214152684 U CN 214152684U
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Abstract
The utility model discloses an automatic oil duct machine heating apparatus that bonds of insulating between layer of oil-immersed transformer, comprising a base plate, the bottom plate lower extreme has evenly seted up the screw hole, the screw joint has first sealed fixing device in the screw hole, the screw joint has heating device on the first sealed fixing device, the screw joint has second sealed fixing device in the middle of the bottom plate, the fixed screw joint in second sealed fixing device upper end has temperature sensor, the bottom plate both sides are fixed to be equipped with the mounting panel, the rectangular channel has been seted up to the mounting panel upper end, the assembly is equipped with the mount pad in the rectangular channel, the inboard fixed assembly of mount pad has the transformer shell, the inside parcel of transformer shell is equipped with the transformer body, the mounting panel screw joint has first fixing bolt, first fixing bolt runs through the; the heating device in the scheme is fixed on the bottom plate in a sealing mode through the first sealing fixing device, each heating device can be detached independently, a single part can be maintained and replaced, and maintenance operation is simplified.
Description
Technical Field
The utility model relates to a transformer heating apparatus technical field specifically is an automatic bonding oil duct machine heating apparatus of oil-immersed transformer layer insulation.
Background
The transformer oil is used as an electrical insulation medium of a transformer, the performance of the transformer oil directly influences the operation safety of the transformer, under the general condition, the transformer can be safely started and operated at a certain temperature higher than the pour point of the insulation medium of the transformer, because the temperature of the insulation medium can influence the cooling and insulation characteristics of the insulation medium, the automatic heating of the oil-immersed transformer is particularly necessary, and therefore, for the oil-immersed transformer used in a cold region, the temperature is lower than the condition of the oil condensation point of the transformer, the transformer can not be started, the normal work of an electric power system is influenced, the existing automatic heating device is mostly fixedly assembled on the transformer in an integrated mode, when a heater fails, the whole oil-immersed transformer needs to be disassembled for maintenance, the repairing work is very complicated, and the repairing is inconvenient.
Disclosure of Invention
An object of the utility model is to provide an oil immersed transformer layer insulation's automatic bonding oil duct machine heating apparatus to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating automatic bonding oil duct machine heating apparatus between oil-immersed transformer layer, includes the bottom plate, the even screw hole that has seted up of bottom plate lower extreme, the inside spiro union of screw hole has first sealed fixing device, spiro union has heating device on the first sealed fixing device, the spiro union has the sealed fixing device of second in the middle of the bottom plate lower extreme, the fixed spiro union in the sealed fixing device upper end of second has temperature sensor, bottom plate both sides fixed assembly has the mounting panel, the rectangular channel has been seted up to mounting panel upper end inboard, the grafting is equipped with the mount pad in the rectangular channel, the inboard fixed assembly of mount pad has transformer housing, the inside parcel of transformer housing is equipped with the transformer body, the mounting panel spiro union has first fixing bolt, first fixing bolt runs through the mounting panel bottom and pushes up inside the mount pad.
Preferably, first sealed fixing device includes second fixing bolt, second fixing bolt spiro union is on the bottom plate, second fixing bolt nut upper end compresses tightly and is equipped with first sealing washer, the seal groove has been cup jointed to first sealing washer upper end, the seal groove is evenly seted up at the bottom plate lower extreme, second fixing bolt low side is fixed and is equipped with the double-screw bolt.
Preferably, the heating device comprises an installation base, the installation base is assembled at the upper end of the stud in a threaded manner, a heater shell is fixedly assembled at the upper end of the installation base, and a heating resistor is assembled in the heater shell in an inserted manner.
Preferably, the second sealing and fixing device comprises a third fixing bolt which is screwed in the middle of the bottom plate, the bottom of the third fixing bolt penetrates through the transformer shell, the upper end of a nut of the third fixing bolt is tightly pressed and assembled with a second sealing ring, the upper end of the second sealing ring is sleeved and assembled with a second sealing groove, and the second sealing groove is arranged in the middle of the lower end of the bottom plate.
Compared with the prior art, this scheme has designed an oil immersed transformer interlaminar insulating automatic bonding oil duct machine heating apparatus, has following beneficial effect:
(1) this device is provided with heating device and temperature sensor, and heating device can heat the inside oil of transformer according to temperature sensor's signal, avoids the temperature to be less than transformer oil condensation point and leads to the unable start-up of transformer, influences power system's normal work.
(2) The heating device and the temperature sensor of the device are hermetically fixed on the bottom plate through the first sealing fixing device and the second sealing fixing device, each can be detached independently, the whole device does not need to be detached when the heater or the temperature sensor is damaged, a single part can be maintained and replaced, the maintenance operation is simplified, and the repair efficiency is increased.
Drawings
Fig. 1 is a schematic sectional view of the structure of the present invention.
In the figure: the transformer comprises a rectangular groove 1, an installation seat 2, a first fixing bolt 3, an installation plate 4, a bottom plate 5, a first sealing and fixing device 6, a sealing groove 61, a first sealing ring 62, a second fixing bolt 63, a stud 64, a threaded hole 7, a heating device 8, an installation base 81, a heating resistor 82, a heater shell 83, a second sealing and fixing device 9, a third fixing bolt 91, a second sealing ring 92, a second sealing groove 93, a temperature sensor 10, a transformer shell 11 and a transformer body 12.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides an insulating automatic bonding oil duct machine heating apparatus between oil-immersed transformer layer, comprising a base plate 5, threaded hole 7 has evenly been seted up to bottom plate 5 lower extreme, the inside spiro union of threaded hole 7 has first sealed fixing device 6, 6 upper end spiro union of first sealed fixing device has heating device 8, 5 middle spiro union of bottom plate lower extreme has the sealed fixing device 9 of second, the fixed spiro union in the upper end of the sealed fixing device 9 of second has temperature sensor 10, 5 both sides of bottom plate fixed assembly have mounting panel 4, rectangular channel 1 has been seted up to 4 upper end inboards of mounting panel, 1 interpolation in rectangular channel is furnished with mount pad 2, 2 inboard fixed assemblies of mount pad have transformer housing 11, 11 inside parcel of transformer housing is equipped with transformer body 12, 4 spiro unions of mounting panel have first fixing bolt 3, first fixing bolt 3 runs through 4 bottoms of mounting panel and pushes up inside mount pad 2.
Temperature sensor 10 model: PT 100.
First sealed fixing device 6 includes second fixing bolt 63, and second fixing bolt 63 spiro union is on bottom plate 1, and second fixing bolt 63 nut upper end compresses tightly and is equipped with first sealing washer 62, and first sealing washer 62 upper end has cup jointed seal groove 61, and the lower extreme at bottom plate 5 is evenly seted up to seal groove 61, and second fixing bolt 63 low end is fixed to be equipped with double-screw bolt 64.
The external diameter of the stud 64 is smaller than the internal diameter of the threaded hole 7, the external diameter of the heating device 8 is also smaller than the internal diameter of the threaded hole 7, the heating device 8 can be pulled out by disassembling the first sealing and fixing device 6, maintenance or replacement is convenient, the whole bottom plate 5 is not required to be disassembled due to the fact that one heating device 8 is replaced, maintenance operation is simplified, and working efficiency is improved.
The heating device 8 comprises a mounting base 81, the mounting base 81 is assembled at the upper end of the stud 64 in a threaded manner, a heater shell 83 is fixedly assembled at the upper end of the mounting base 81, and a heating resistor 82 is assembled inside the heater shell 83 in an inserted manner.
The heating device 8 can heat the oil according to the signal of the temperature sensor 10, so that the normal starting of the transformer is ensured.
The second sealing and fixing device 9 comprises a third fixing bolt 91, the third fixing bolt 91 is screwed in the middle of the bottom plate 5, the bottom of the third fixing bolt 91 penetrates through the transformer shell 11, the upper end of a nut of the third fixing bolt 91 is tightly pressed and assembled with a second sealing ring 92, the upper end of the second sealing ring 92 is sleeved and assembled with a second sealing groove 93, and the second sealing groove 93 is arranged in the middle of the lower end of the bottom plate 5.
The temperature sensor 10 can be maintained and replaced by disassembling the second sealing and fixing device 9, the operation is simple, and the maintenance is facilitated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides an insulating automatic bonding oil duct machine heating apparatus between oil-immersed transformer layer which characterized in that: the novel transformer comprises a base plate (5), threaded holes (7) are evenly formed in the lower end of the base plate (5), a first sealing and fixing device (6) is screwed in the threaded holes (7), a heating device (8) is screwed in the upper end of the first sealing and fixing device (6), a second sealing and fixing device (9) is screwed in the middle of the lower end of the base plate (5), a temperature sensor (10) is screwed in the upper end of the second sealing and fixing device (9), mounting plates (4) are fixedly assembled on two sides of the base plate (5), a rectangular groove (1) is formed in the inner side of the upper end of each mounting plate (4), a mounting seat (2) is inserted and assembled in each rectangular groove (1), a transformer shell (11) is fixedly assembled on the inner side of each mounting seat (2), a transformer body (12) is assembled in each transformer shell (11), a first fixing bolt (3) is screwed, the first fixing bolt (3) penetrates through the bottom of the mounting plate (4) and is pressed against the inside of the mounting seat (2).
2. The oil-immersed transformer interlayer insulation automatic bonding oil channel machine heating device according to claim 1, characterized in that: first sealed fixing device (6) include second fixing bolt (63), second fixing bolt (63) spiro union is on bottom plate (5), second fixing bolt (63) nut upper end compresses tightly and is equipped with first sealing washer (62), seal groove (61) have been cup jointed to first sealing washer (62) upper end, evenly set up at bottom plate (5) lower extreme in seal groove (61), second fixing bolt (63) low side fixed mounting has double-screw bolt (64).
3. The oil-immersed transformer interlayer insulation automatic bonding oil channel machine heating device according to claim 1, characterized in that: heating device (8) are including installation base (81), installation base (81) spiro union assembly is in double-screw bolt (64) upper end, installation base (81) upper end fixed assembly has heater shell (83), the inside grafting of heater shell (83) is equipped with heating resistor (82).
4. The oil-immersed transformer interlayer insulation automatic bonding oil channel machine heating device according to claim 1, characterized in that: the second sealing and fixing device (9) comprises a third fixing bolt (91), the third fixing bolt (91) is screwed in the middle of the bottom plate (5), the bottom of the third fixing bolt (91) penetrates through the transformer shell (11), the upper end of a nut of the third fixing bolt (91) is tightly pressed and assembled with a second sealing ring (92), the upper end of the second sealing ring (92) is sleeved and assembled with a second sealing groove (93), and the second sealing groove (93) is arranged in the middle of the lower end of the bottom plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365701.0U CN214152684U (en) | 2021-02-06 | 2021-02-06 | Automatic oil duct bonding machine heating device for interlayer insulation of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365701.0U CN214152684U (en) | 2021-02-06 | 2021-02-06 | Automatic oil duct bonding machine heating device for interlayer insulation of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214152684U true CN214152684U (en) | 2021-09-07 |
Family
ID=77554345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120365701.0U Active CN214152684U (en) | 2021-02-06 | 2021-02-06 | Automatic oil duct bonding machine heating device for interlayer insulation of oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214152684U (en) |
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2021
- 2021-02-06 CN CN202120365701.0U patent/CN214152684U/en active Active
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