CN111681855A - Step-down transformer convenient to maintenance - Google Patents
Step-down transformer convenient to maintenance Download PDFInfo
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- CN111681855A CN111681855A CN202010557703.XA CN202010557703A CN111681855A CN 111681855 A CN111681855 A CN 111681855A CN 202010557703 A CN202010557703 A CN 202010557703A CN 111681855 A CN111681855 A CN 111681855A
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- 238000012423 maintenance Methods 0.000 title claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012372 quality testing Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
-
- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a step-down transformer convenient to maintain, relates to the technical field of transformers, and solves the problems that the existing step-down transformer is inconvenient to maintain in the installation and use processes, has poor protection performance on maintainers, and is easy to cause operation danger. The utility model provides a step-down transformer convenient to maintenance, includes the oil tank casing, the equal fixed mounting in both ends of oil tank casing has oil body heat dissipation mechanism, the one end fixed mounting of oil tank casing has oil storage mechanism, one of them one side fixed mounting of oil body heat dissipation mechanism has the maintenance ladder, the maintenance ladder includes the ladder body, backup pad and upper portion connector, the one end fixed mounting of backup pad has the ladder body, the upper end of the ladder body is provided with two upper portion connectors, the outside fixed mounting that the top of oil body heat dissipation mechanism is located oil tank casing upper end has maintenance protection mechanism. According to the invention, the maintainers are protected, so that the operation safety of the maintainers can be effectively improved, and the overall structure parameters can be conveniently read.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a step-down transformer convenient to maintain.
Background
With the rapid development of social economy, the power grid coverage rate in China is higher and higher, a distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, the types of the transformers are more and more, at the end of the 19 th century, the transformer begins to use transformer oil as an insulating and cooling medium, an oil-immersed transformer appears, and besides the fact that the natural storage amount of the transformer oil is rich and the cost is low, the transformer oil has low viscosity and good heat transfer performance, and can well protect an iron core and a winding from the influence of moisture in the air, so that the oil-immersed transformer is widely applied.
However, the existing step-down transformer is inconvenient to overhaul in the installation and use processes, has poor protection performance on maintainers, and is easy to cause operation danger; thus, the existing requirements are not met, and a step-down transformer convenient to maintain is provided for the existing requirements.
Disclosure of Invention
The invention aims to provide a step-down transformer convenient to maintain, and aims to solve the problems that the existing step-down transformer in the background technology is inconvenient to maintain in the installation and use process, has poor protection performance on maintainers, is easy to cause operation danger and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a step-down transformer convenient to maintain comprises an oil tank shell, wherein oil body heat dissipation mechanisms are fixedly mounted at two ends of the oil tank shell, an oil storage mechanism is fixedly mounted at one end of the oil tank shell, a maintenance ladder is fixedly mounted at one side of one oil body heat dissipation mechanism and comprises a ladder body, a support plate and upper connectors, the ladder body is fixedly mounted at one end of the support plate, two upper connectors are arranged at the upper end of the ladder body, and a maintenance protection mechanism is fixedly mounted above the oil body heat dissipation mechanism and positioned at the outer side of the upper end of the oil tank shell;
the maintenance protection mechanism comprises support arc-shaped rods, vertical connecting rods and arc-shaped connecting rods, thirteen vertical connecting rods are fixedly mounted on the upper end face of each support arc-shaped rod, and the arc-shaped connecting rod is fixedly mounted at the top end of one vertical connecting rod.
Preferably, oil body heat dissipation mechanism includes heat dissipation oil pipe, heating panel, connects oil pipe, heat dissipation grid groove, vertical UNICOM board, pressure display pole, height display scale plate and thermometer, it has four to connect oil pipe, the equal fixed mounting in both ends of connecting oil pipe has heat dissipation oil pipe, wherein four the up end fixed mounting of heat dissipation oil pipe has the heating panel, one side of heating panel is provided with heat dissipation grid groove, one of them one side fixed mounting who connects oil pipe has vertical UNICOM board, one side of vertical UNICOM board is provided with the thermometer, the top fixed mounting of vertical UNICOM board has height display scale plate, the inboard sliding connection that one side that height display scale plate is located vertical UNICOM board top has the pressure display pole.
Preferably, the oil storage mechanism includes first support frame, second support frame, batch oil tank, frame, oil pump protecting crust, takes out oil pipe, oil detection box, oil mass display cylinder, the excellent position sleeve that heats and oil sampling head of heating, the lower terminal surface fixed mounting of second support frame has first support frame, the inboard fixed mounting of second support frame has the oil pump protecting crust, the bottom of oil pump protecting crust is provided with takes out oil pipe, the top fixed mounting of second support frame has the batch oil tank, the inboard of batch oil tank is provided with four excellent position sleeve that heats, one of them the inboard sliding connection of the excellent position sleeve that heats has the frame that heats, the one end fixed mounting of batch oil tank has the oil detection box, the up end fixed mounting of oil detection box has an oil mass display cylinder, the one end of oil detection box is provided with the oil sampling head.
Preferably, the bottom fixed mounting of oil tank shell has two bottom sprag framves, the outside of oil tank shell is provided with the oil tank curb plate, the up end fixed mounting of oil tank shell has three low-voltage bushing, one of them low-voltage bushing's one side fixed mounting has four high-voltage bushing, one of them high-voltage bushing's one side fixed mounting has transformer oil conveying mechanism.
Preferably, the transformer oil conveying mechanism comprises an oil inlet pipe main body, a sleeve oil conveying pipe body and connecting oil pipes, wherein the sleeve oil conveying pipe body is fixedly mounted at one end of the oil inlet pipe main body, and four connecting oil pipes are arranged on the outer side of the sleeve oil conveying pipe body.
Preferably, the one end of backup pad is passed through the screw connection and is fixed in one side of oil tank casing, the other end of backup pad is passed through the locating pin with the bottom of the ladder body and is connected, the one end welded fastening of upper portion connector is at the up end of oil tank casing, the other end of upper portion connector passes through the locating pin and is connected with the upper end of the ladder body.
Preferably, the support arc-shaped rod is welded and fixed on the outer side of the upper end of the oil tank shell, the support arc-shaped rod is fixedly connected with the arc-shaped connecting rod through the vertical connecting rod, and the outer surfaces of the support arc-shaped rod, the vertical connecting rod and the arc-shaped connecting rod are provided with antirust coatings.
Preferably, the inboard of heat dissipation oil pipe, heating panel, connection oil pipe and vertical UNICOM's board all is provided with the heat dissipation oilhole, heat dissipation oil pipe, heating panel, connection oil pipe and vertical UNICOM's board all are through the heat dissipation oilhole through connection, the bottom of pressure display pole is provided with the sealing rubber piece, the bottom of pressure display pole passes through the sealing rubber piece with vertical UNICOM's board and is connected.
Preferably, the upper end of the temperature-increasing rod positioning sleeve is welded and fixed on the inner side of the oil storage tank, the bottom end of the temperature-increasing frame extends to the inner side of the temperature-increasing rod positioning sleeve, and the inner side of the temperature-increasing frame is provided with a resistance wire.
Preferably, the oil quality testing box passes through oil pipe fixed connection in the one end of batch oil tank, the bottom of an oil mass display section of thick bamboo is passed through the screw connection and is fixed at the up end of oil quality testing box, the bottom of an oil mass display section of thick bamboo passes through sealed pad with the oil quality testing box and is connected, the outside of an oil mass display section of thick bamboo is provided with the scale mark.
Compared with the prior art, the invention has the beneficial effects that:
1. the transformer oil temperature control device can quickly carry out heat dissipation treatment on transformer oil through the heat dissipation plate, further control the temperature of the coil and the iron core, is safer to use, can display the pressure of the transformer oil through the height of the pressure display rod relative to the height display scale plate, is convenient for overhaul operations of maintainers, is provided with the electric heating resistance wire on the inner side of the temperature increasing frame, can carry out temperature increasing treatment on the transformer oil in a low-temperature environment through the electric heating resistance wire, further enlarges the whole applicable environment range, and reduces the influence of the temperature on the transformer oil;
2. according to the oil product detection box, the oil product sampling head is arranged at one end of the oil product detection box, so that an overhaul worker can conveniently sample and detect the oil product of the transformer oil inside the oil storage box through the oil product sampling head, the maintenance ladder is arranged on one side of the oil tank shell, the angle of the ladder body can be adjusted through the connection of the upper connector, the overhaul worker can use the maintenance ladder conveniently, the maintenance protection mechanism is arranged on the outer side of the upper end of the oil tank shell, the overhaul worker can be protected in the overhaul process, danger is avoided, and the maintenance ladder is safer to use.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a side view of the present invention in its entirety;
FIG. 3 is a top view of the present invention as a whole;
FIG. 4 is a schematic view of a partial structure of the oil body heat dissipation mechanism of the present invention;
FIG. 5 is a partial schematic view of the oil storage mechanism of the present invention;
fig. 6 is a partial sectional view schematically showing the structure of the oil reservoir tank of the present invention.
In the figure: 1. a bottom support frame; 2. a tank housing; 3. an oil tank side plate; 4. an oil body heat dissipation mechanism; 401. a heat-dissipating oil pipe; 402. a heat dissipation plate; 403. connecting an oil pipe; 404. a heat dissipation grid groove; 405. a vertical communication plate; 406. a pressure display lever; 407. a height display scale plate; 408. a thermometer; 5. an oil storage mechanism; 501. a first support frame; 502. a second support frame; 503. an oil storage tank; 504. a temperature increasing frame; 505. an oil pump protective housing; 506. an oil pumping pipe; 507. an oil product detection box; 508. an oil quantity display cylinder; 509. a temperature increasing rod positioning sleeve; 510. an oil product sampling head; 6. maintaining the ladder; 601. a ladder body; 602. a support plate; 603. an upper connector; 7. maintaining the protection mechanism; 701. supporting the arc-shaped rod; 702. a vertical connecting rod; 703. an arc-shaped connecting rod; 8. a transformer oil delivery mechanism; 801. an oil inlet pipe main body; 802. a sleeve oil transportation pipe body; 803. connecting an oil pipe; 9. a high voltage bushing; 10. a low pressure bushing.
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.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a step-down transformer convenient for maintenance comprises an oil tank shell 2, oil body heat dissipation mechanisms 4 are fixedly arranged at two ends of the oil tank shell 2, an oil storage mechanism 5 is fixedly arranged at one end of the oil tank shell 2, a maintenance ladder 6 is fixedly arranged at one side of one oil body heat dissipation mechanism 4, the maintenance ladder 6 comprises a ladder body 601, a support plate 602 and an upper connector 603, the ladder body 601 is fixedly arranged at one end of the support plate 602, two upper connectors 603 are arranged at the upper end of the ladder body 601, one end of each upper connector 603 is fixedly welded on the upper end face of the oil tank shell 2, the other end of each upper connector 603 is connected with the upper end of the ladder body 601 through a positioning pin, the angle of the ladder body 601 can be adjusted through the connection of the upper connectors 603, the use of maintenance personnel is convenient, a maintenance protection mechanism 7 is fixedly arranged at the outer side of the upper end of, the maintenance personnel can be protected in the maintenance process, so that the danger is avoided, and the use is safer;
maintenance protection machanism 7 is including supporting arc pole 701, vertical connecting rod 702 and arc connecting rod 703, and the up end fixed mounting who supports arc pole 701 has thirteen vertical connecting rods 702, and the top fixed mounting of one of them vertical connecting rod 702 has arc connecting rod 703, wholly protects the maintainer through protecting the maintainer, can effectively improve maintainer's operational safety, and is convenient for read overall structure parameter.
Further, the oil body heat dissipation mechanism 4 comprises four heat dissipation oil pipes 401, a heat dissipation plate 402, a connecting oil pipe 403, heat dissipation grid grooves 404, a vertical communication plate 405, a pressure display rod 406, a height display scale plate 407 and a thermometer 408, the two ends of the connecting oil pipe 403 are fixedly provided with the heat dissipation oil pipes 401, wherein the upper end surfaces of the four heat dissipation oil pipes 401 are fixedly provided with heat dissipation plates 402, one side of each heat dissipation plate 402 is provided with a heat dissipation grid groove 404, one side fixed mounting that one of them connects oil pipe 403 has vertical UNICOM board 405, and one side of vertical UNICOM board 405 is provided with thermometer 408, and the top fixed mounting of vertical UNICOM board 405 has height display scale 407, and the inboard sliding connection that one side of height display scale 407 is located vertical UNICOM board 405 top has pressure display pole 406, can carry out the thermal treatment to transformer oil fast through oil body heat dissipation mechanism 4.
Further, the oil storage mechanism 5 comprises a first support frame 501, a second support frame 502, an oil storage tank 503, a temperature increasing frame 504, an oil pump protective shell 505, an oil pumping pipe 506, an oil detection box 507, an oil quantity display cylinder 508, a temperature increasing rod positioning sleeve 509 and an oil product sampling head 510, wherein the first support frame 501 is fixedly installed on the lower end surface of the second support frame 502, the oil pump protective shell 505 is fixedly installed on the inner side of the second support frame 502, the oil pumping pipe 506 is arranged at the bottom end of the oil pump protective shell 505, the oil storage tank 503 is fixedly installed at the top end of the second support frame 502, the four temperature increasing rod positioning sleeves 509 are arranged on the inner side of the oil storage tank 503, the temperature increasing frame 504 is slidably connected to the inner side of one temperature increasing rod positioning sleeve 509, the oil product detection box 507 is fixedly installed at one end of the oil storage tank 503, the oil quantity display cylinder 508 is fixedly installed on the upper end surface of the, the transformer oil can be stored and transported by the oil storage mechanism 5.
Further, the bottom end fixed mounting of oil tank casing 2 has two bottom sprag framves 1, and the outside of oil tank casing 2 is provided with oil tank curb plate 3, and the up end fixed mounting of oil tank casing 2 has three low-voltage bushing 10, and one side fixed mounting of one of them low-voltage bushing 10 has four high-voltage bushing 9, and one side fixed mounting of one of them high-voltage bushing 9 has transformer oil conveying mechanism 8, can support and protect the outside of oil tank casing 2 through being provided with oil tank curb plate 3.
Further, the transformer oil conveying mechanism 8 comprises an oil inlet pipe main body 801, a sleeve oil conveying pipe body 802 and connecting oil pipes 803, wherein the sleeve oil conveying pipe body 802 is fixedly mounted at one end of the oil inlet pipe main body 801, the four connecting oil pipes 803 are arranged on the outer side of the sleeve oil conveying pipe body 802, and the transformer oil can be conveyed in a multi-channel mode through the transformer oil conveying mechanism 8.
Further, the one end of backup pad 602 is passed through the screw connection and is fixed in one side of oil tank casing 2, and the other end of backup pad 602 is passed through the locating pin with the bottom of ladder body 601 and is connected, and the one end welded fastening of upper portion connector 603 is in the up end of oil tank casing 2, and the other end of upper portion connector 603 passes through the locating pin and is connected with the upper end of ladder body 601, can adjust the angle of ladder body 601 through the connection of upper portion connector 603, the use of the maintainer of being convenient for.
Further, support arc pole 701 welded fastening in the outside of oil tank casing 2 upper end, support arc pole 701 and arc connecting rod 703 and be connected fixedly through vertical connecting rod 702, the surface of supporting arc pole 701, vertical connecting rod 702 and arc connecting rod 703 all is provided with anti rust coating, can protect maintainer at the maintenance in-process, avoids taking place danger, uses safelyr.
Further, the inboard of heat dissipation oil pipe 401, heating panel 402, connecting oil pipe 403 and vertical UNICOM board 405 all is provided with the heat dissipation oilhole, heat dissipation oil pipe 401, heating panel 402, connecting oil pipe 403 and vertical UNICOM board 405 all through heat dissipation oilhole through connection, the bottom of pressure display pole 406 is provided with the sealing rubber piece, the bottom of pressure display pole 406 is connected through the sealing rubber piece with vertical UNICOM board 405, through the demonstration pole 406 of pressure for the height of height display scale plate 407 the demonstration of transformer oil pressure, the maintenance operation of the maintainer of being convenient for.
Further, the upper end of the warming rod positioning sleeve 509 is welded and fixed on the inner side of the oil storage tank 503, the bottom end of the warming frame 504 extends to the inner side of the warming rod positioning sleeve 509, and an electric heating resistance wire is arranged on the inner side of the warming frame 504, so that the warming treatment can be performed on the transformer oil in a low-temperature environment through the electric heating resistance wire, the whole applicable environment range is further expanded, and the influence of the temperature on the transformer oil is reduced.
Further, oil quality testing box 507 passes through oil pipe fixed connection in the one end of batch oil tank 503, and the bottom of an oil mass display section of thick bamboo 508 passes through the screwed connection and fixes the up end at oil quality testing box 507, and the bottom of an oil mass display section of thick bamboo 508 passes through sealed pad connection with oil quality testing box 507, and the outside of an oil mass display section of thick bamboo 508 is provided with the scale mark, and the maintainer of being convenient for can carry out oil sample and detection to the transformer oil of batch oil tank 503 inboard through oil sampling head 510.
The working principle is as follows: when the transformer oil tank is used, whether the functions of all parts are intact is checked, the high-voltage sleeve 9 and the low-voltage sleeve 10 are connected through a circuit, transformer oil is injected through an oil injection nozzle arranged on the upper end surface of the oil storage tank 503, the oil pump arranged on the inner side of the oil pump protective shell 505 is connected with a power supply, the transformer oil on the inner side of the oil storage tank 503 can be conveyed through the oil inlet pipe main body 801, a coil and an iron core arranged on the inner side of the oil tank shell 2 are injected through the bottom end of the oil inlet pipe main body 801, the high-voltage sleeve 9 is injected through the connecting oil pipe 803, the oil pump is started, the transformer oil on the inner side of the oil tank shell 2 is extracted through the oil pumping pipe 506 by the oil pump, the transformer oil on the inner side of the oil tank shell 2 can flow, wherein the inner sides of the heat dissipation oil pipe 401, the heat dissipation oil pipe 401, the heat dissipation plate 402, the connecting oil pipe 403 and the vertical communication plate 405 are all connected through a heat dissipation oil hole, so that the transformer oil can be quickly subjected to heat dissipation treatment through the heat dissipation plate 402, the temperature of a coil and an iron core is further controlled, the use is safer, the pressure display rod 406 is arranged on the inner side of the vertical communication plate 405, the bottom end of the pressure display rod 406 is connected with the upper end of the vertical communication plate 405 through a spring, the pressure of the transformer oil is further displayed relative to the height of the height display scale plate 407 through the pressure display rod 406, the overhaul operation of an overhaul worker is facilitated, the temperature increasing frame 504 is arranged on the inner side of the oil storage tank 503, an electric resistance wire is arranged on the inner side of the temperature increasing frame 504, the transformer oil under a low-temperature environment can be subjected to temperature increasing treatment through the electric resistance wire, the whole applicable environment range is enlarged, and the influence, be provided with oil sampling head 510 in the one end of oil quality control box 507, the maintainer of being convenient for can carry out oil sample and detection to the transformer oil of batch oil tank 503 inboard through oil sampling head 510, one side at oil tank shell 2 is provided with maintenance ladder 6, wherein can adjust the angle of ladder body 601 through the connection of upper portion connector 603, the use of the maintainer of being convenient for, the outside on oil tank shell 2 is provided with maintenance protection mechanism 7, can protect the maintainer at the maintenance in-process, avoid taking place danger, it is safer to use.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Claims (10)
1. The utility model provides a step-down transformer convenient to maintenance, includes oil tank casing (2), its characterized in that: both ends of the oil tank shell (2) are fixedly provided with oil body heat dissipation mechanisms (4), one end of the oil tank shell (2) is fixedly provided with an oil storage mechanism (5), one side of one oil body heat dissipation mechanism (4) is fixedly provided with a maintenance ladder (6), the maintenance ladder (6) comprises a ladder body (601), a supporting plate (602) and an upper connector (603), one end of the supporting plate (602) is fixedly provided with the ladder body (601), the upper end of the ladder body (601) is provided with two upper connectors (603), and a maintenance protection mechanism (7) is fixedly arranged on the outer side, positioned at the upper end of the oil tank shell (2), above the oil body heat dissipation mechanism (4);
the maintenance protection mechanism (7) comprises support arc-shaped rods (701), vertical connecting rods (702) and arc-shaped connecting rods (703), thirteen vertical connecting rods (702) are fixedly mounted on the upper end face of each support arc-shaped rod (701), and the arc-shaped connecting rods (703) are fixedly mounted at the top end of one vertical connecting rod (702).
2. A step-down transformer for ease of maintenance as claimed in claim 1 wherein: oil body heat dissipation mechanism (4) are including heat dissipation oil pipe (401), heating panel (402), connect oil pipe (403), heat dissipation grid groove (404), vertical UNICOM board (405), pressure display pole (406), height display scale plate (407) and thermometer (408), it has four to connect oil pipe (403), the equal fixed mounting in both ends of connecting oil pipe (403) has heat dissipation oil pipe (401), wherein four the up end fixed mounting of heat dissipation oil pipe (401) has heating panel (402), one side of heating panel (402) is provided with heat dissipation grid groove (404), one of them one side fixed mounting who connects oil pipe (403) has vertical UNICOM board (405), one side of vertical UNICOM board (405) is provided with heating panel (408), the top fixed mounting of vertical UNICOM board (405) has height display scale plate (407), the inboard sliding connection that one side of height display scale plate (407) is located vertical UNICOM board (405) top has A pressure display lever (406).
3. A step-down transformer for ease of maintenance as claimed in claim 1 wherein: the oil storage mechanism (5) comprises a first support frame (501), a second support frame (502), an oil storage tank (503), a temperature increasing frame (504), an oil pump protective shell (505), an oil pumping pipe (506), an oil detection box (507), an oil quantity display cylinder (508), a temperature increasing rod positioning sleeve (509) and an oil sampling head (510), wherein the first support frame (501) is fixedly installed on the lower end face of the second support frame (502), the oil pump protective shell (505) is fixedly installed on the inner side of the second support frame (502), the oil pumping pipe (506) is arranged at the bottom end of the oil pump protective shell (505), the oil storage tank (503) is fixedly installed at the top end of the second support frame (502), the four temperature increasing rod positioning sleeves (509) are arranged on the inner side of the oil storage tank (503), one of the temperature increasing rod positioning sleeves (509) is connected with the temperature increasing frame (504) in a sliding manner, one end fixed mounting of oil storage tank (503) has oil quality testing box (507), the up end fixed mounting of oil quality testing box (507) has oil mass display section of thick bamboo (508), the one end of oil quality testing box (507) is provided with oil sampling head (510).
4. A step-down transformer for ease of maintenance as claimed in claim 1 wherein: the bottom fixed mounting of oil tank casing (2) has two bottom sprag framves (1), the outside of oil tank casing (2) is provided with oil tank curb plate (3), the up end fixed mounting of oil tank casing (2) has three low-voltage bushing (10), one of them one side fixed mounting of low-voltage bushing (10) has four high-voltage bushing (9), one of them one side fixed mounting of high-voltage bushing (9) has transformer oil conveying mechanism (8).
5. The step-down transformer of claim 4, wherein: transformer oil conveying mechanism (8) are including advancing oil pipe main part (801), the defeated oil pipe body of sleeve pipe (802) and connecting oil pipe (803), the one end fixed mounting who advances oil pipe main part (801) has sleeve pipe defeated oil pipe body (802), the outside of sleeve pipe defeated oil pipe body (802) is provided with four connecting oil pipe (803).
6. A step-down transformer for ease of maintenance as claimed in claim 1 wherein: the one end of backup pad (602) is passed through the screw connection and is fixed in one side of oil tank casing (2), the other end of backup pad (602) is passed through the locating pin with the bottom of the ladder body (601) and is connected, the one end welded fastening of upper portion connector (603) is at the up end of oil tank casing (2), the other end of upper portion connector (603) passes through the locating pin and is connected with the upper end of the ladder body (601).
7. A step-down transformer for ease of maintenance as claimed in claim 1 wherein: the support arc rod (701) is welded and fixed on the outer side of the upper end of the oil tank shell (2), the support arc rod (701) is fixedly connected with the arc connecting rod (703) through the vertical connecting rod (702), and the outer surfaces of the support arc rod (701), the vertical connecting rod (702) and the arc connecting rod (703) are provided with antirust coatings.
8. A step-down transformer for ease of maintenance as claimed in claim 2, wherein: the inboard of heat dissipation oil pipe (401), heating panel (402), connecting oil pipe (403) and vertical UNICOM board (405) all is provided with the heat dissipation oilhole, heat dissipation oil pipe (401), heating panel (402), connecting oil pipe (403) and vertical UNICOM board (405) all through the heat dissipation oilhole through connection, the bottom of pressure display pole (406) is provided with the sealing rubber piece, the bottom and vertical UNICOM board (405) of pressure display pole (406) are connected through the sealing rubber piece.
9. A step-down transformer for ease of maintenance according to claim 3, wherein: the upper end welded fastening of heating rod position sleeve (509) is in the inboard of oil storage tank (503), the bottom of heating frame (504) extends to the inboard of heating rod position sleeve (509), the inboard of heating frame (504) is provided with the resistance wire.
10. A step-down transformer for ease of maintenance according to claim 3, wherein: oil quality testing box (507) passes through the one end of oil pipe fixed connection at batch oil tank (503), the bottom of an oil mass display section of thick bamboo (508) passes through the up end of screw connection fixing at oil quality testing box (507), the bottom of an oil mass display section of thick bamboo (508) passes through sealed pad with oil quality testing box (507) and is connected, the outside of an oil mass display section of thick bamboo (508) is provided with the scale mark.
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| CN202010557703.XA CN111681855B (en) | 2020-06-18 | 2020-06-18 | Step-down transformer convenient to maintenance |
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| CN111681855A true CN111681855A (en) | 2020-09-18 |
| CN111681855B CN111681855B (en) | 2021-10-15 |
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| CN113436845A (en) * | 2021-06-23 | 2021-09-24 | 江苏中盟电气设备有限公司 | Multifunctional intelligent oil-immersed transformer |
| CN114551043A (en) * | 2022-02-24 | 2022-05-27 | 深圳市深特变电气设备有限公司 | Dry-type transformer with high heat dissipation efficiency |
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| CN111681855B (en) | 2021-10-15 |
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Effective date of registration: 20210924 Address after: 241000 Guting Road, Nanling Economic Development Zone, Wuhu City, Anhui Province Applicant after: WUHU JINNIU ELECTRIC Co.,Ltd. Address before: 516006 Fuchuan Ruiyuan, 303 Zhongkai Avenue, Zhongkai high tech Zone, Huizhou City, Guangdong Province Applicant before: HUIZHOU QISI CHUANGXIANG TECHNOLOGY Co.,Ltd. |
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