CN205751768U - Shield machine combination type oil-immersed type transformer - Google Patents
Shield machine combination type oil-immersed type transformer Download PDFInfo
- Publication number
- CN205751768U CN205751768U CN201620446014.0U CN201620446014U CN205751768U CN 205751768 U CN205751768 U CN 205751768U CN 201620446014 U CN201620446014 U CN 201620446014U CN 205751768 U CN205751768 U CN 205751768U
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- China
- Prior art keywords
- oil
- fuel tank
- water
- shield machine
- machine combination
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Abstract
The open a kind of shield machine combination type oil-immersed type transformer of this utility model, top of oil-tank at transformator is provided with pressure relief device, this pressure relief device includes gas relay, pressure release room and pressure relief valve, top of oil-tank is positioned at the position bottom described gas relay and is provided with the trachea stretching into fuel tank, top of oil-tank is positioned at the position bottom described pressure release room and is provided with the water conservancy diversion oil pipe stretching into fuel tank, described water conservancy diversion oil pipe stretches into the vertical length of fuel tank and stretches into the vertical length of fuel tank more than trachea, the water-cooling heat radiating device reducing oil temperature it is provided with in fuel tank bottom, oil-in and the oil-out of water-cooling heat radiating device are respectively connected to fuel tank, the high pressure protector being connected with high-voltage connection it is additionally provided with at fuel tank sidepiece.This utility model small volume, can meet the space requirement of the small-sized shield machine of urban pipe network, and each functional separation of pressure release runs, and improves work efficiency.
Description
Technical field
This utility model relates to a kind of transformator, a kind of shield machine combination type oil-immersed type transformer meeting urban pipe network small-sized shield machine centrally connected power supply requirement.
Background technology
Existing conventional oil-immersed type transformer is the heat radiation being realized transformator by the corrugated plate outside transformator; realize reporting to the police, trip and discharging the function of pressure by comprehensive gas protector; make fuel tank when breaking down in, gas increases, and when pressure becomes big, corrugated plate expands to reduce oil level.The volume of this kind of oil-immersed type transformer is bigger, it is impossible to meet the space requirement of the small-sized shield machine of urban pipe network, and comprehensive gas protector is by integrated for each function, and a function can not realize causing other functions all can not realize, and work efficiency is relatively low.
Summary of the invention
The purpose of this utility model is open a kind of shield machine combination type oil-immersed type transformer so that it is can meet the space requirement of the small-sized shield machine of urban pipe network, improve work efficiency.
The technical solution of the utility model is: a kind of shield machine combination type oil-immersed type transformer, top of oil-tank at transformator is provided with pressure relief device, this pressure relief device includes gas relay, pressure release room and pressure relief valve, top of oil-tank is positioned at the position bottom described gas relay and is provided with the trachea stretching into fuel tank, top of oil-tank is positioned at the position bottom described pressure release room and is provided with the water conservancy diversion oil pipe stretching into fuel tank, described water conservancy diversion oil pipe stretches into the vertical length of fuel tank and stretches into the vertical length of fuel tank more than trachea, the water-cooling heat radiating device reducing oil temperature it is provided with in fuel tank bottom, oil-in and the oil-out of water-cooling heat radiating device are respectively connected to fuel tank, the high pressure protector being connected with high-voltage connection it is additionally provided with at fuel tank sidepiece.
Described pressure release room is cuboid, and including four side plates and a top board, the upper edge of side plate outwards bends 90 degree, and the bending part of side plate upper edge is tightly connected by screw bolt and nut with top board surrounding.
It is provided with sealing ring between described bending part and top board, is provided with the big steel ring controlling sealing ring decrement outside sealing ring, inside sealing ring, is provided with the drum rim of positioning seal ring.
Described water-cooling heat radiating device includes the water oil heat exchanger in portion placed under, water oil heat exchanger is respectively equipped with cooling water inlet, hot water outlet, oil-in and oil-out, one end of cooling water inlet connects cold water pipe, the other end connects water oil heat exchanger by Self-power temp. regulator, oil-in connects fuel tank by Oil pump electrical machinery and the first ball valve, and oil-out connects fuel tank by the second ball valve.
Described water oil heat exchanger is heat-exchangers of the plate type, passes through rubber seal between plate and plate.
Described pressure relief device also includes the pipe type oil-level gauge being connected with fuel tank.
Described high pressure protector includes high pressure outer cover of steel plate and is positioned at the high-voltage board of shell, and the first side plate that high pressure outer cover of steel plate is connected with fuel tank is provided with out the first hole of cable, and described high-voltage board is GISELA-12-T sulfur hexafluoride all-insulation inflation cabinet.
Described transformator connects the second side plate having low-voltage distribution equipment, described low-voltage distribution equipment to be connected with fuel tank and is provided with the second hole of inlet wire cable, and the side plate that another opposed vertical direction tilts is provided with out multiple circular holes or the configuration low-voltage distribution cabinet of cable.
Being provided with transformer sheet shell outside transformator, the outside of transformer sheet shell is longitudinally provided with reinforcement, and inside is provided with the reinforcement of annular.
Being provided with the temperature controller panel of oil temperature within showing fuel tank on a side plate of described gas relay, described temperature controller panel connects the temperature probe in fuel tank.
Compared with prior art, this utility model has a following beneficial effect:
1, substituting corrugated plate and the comprehensive gas protector of prior art with water-cooling heat radiating device and pressure relief device, heat radiation and decompression function are separated, water-cooling heat radiating device cold water reduces the oil temperature in fuel tank, and pressure relief device is for discharging the pressure of fuel tank internal；
2, pressure relief device includes gas relay, pressure release room and pressure relief valve, it is possible not only to realize the repertoire of comprehensive gas protector in prior art, and the most integrated functional separation is realized, solve the related adverse effect between each function, and add pressure release room, when transformator breaks down, transformer oil produces gas, tank internal pressure becomes big, oil in fuel tank enters pressure release room by water conservancy diversion oil pipe, after transformer fault is got rid of, the oil of pressure release room flow back into oil tank of transformer, substitute and prior art utilizes corrugated plate expansion reduce oil level, change by pressure release room pressure, reach the function of oil tank of transformer autonomous respiration；
If 3 have a small amount of gas to enter gas relay, then the light gas float action of gas relay sends alarm signal, staff opens the vent valve of gas relay in time and exits to fix a breakdown, if there being a large amount of gas to enter gas relay, then oil gas impact baffle plate, making grave gas action of relay contact, send trip signal, high-voltage switch gear trips to fix a breakdown；When inside electric appliance breaks down, and staff open the most in time gas relay air valve venting time, pressure relief valve automatically turns on the pressure discharging in fuel tank, avoid fuel tank deformation or explosion, when tank pressure drops to the closing presure value set, pressure relief valve reliably closes, it is to avoid outside moisture and impurity enter in fuel tank；
4, this utility model collection high pressure inlet wire, protect and control; and the heat radiation of transformator, transformator and low-voltage distribution are integrated; it it is one of the developing direction of shield machine equipment and power system thereof; there is the highest achievements conversion rate; it is greatly improved the market competitiveness of enterprise; the project that realizes each overall product annual sales revenue 6820000 yuan, economic benefit is fairly obvious.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of pressure release room；
Fig. 3 is the partial enlarged drawing in Fig. 2 at top board and side plate bending part sealing；
Fig. 4 is the structural representation of water-cooling heat radiating device；
Fig. 5 is the structural representation of high pressure protector；
Fig. 6 is the structural representation of low-voltage distribution equipment；
Fig. 7 is schematic diagram of the present utility model.
null1: fuel tank，2: pressure relief device，21: gas relay，22: pressure release room，221: side plate，2211: bending part，222: top board，223: bolt，224: nut，225: sealing ring，2261: big steel ring，2262: drum rim，227: spring washer，228: plain cushion，229: rubbery flat gasket，23: pressure relief valve，24: trachea，25: water conservancy diversion oil pipe，26: oil level indicator，3: water-cooling heat radiating device，31: water oil heat exchanger，311: cooling water inlet，312: hot water outlet，313: oil-in，314: oil-out，32: thermoregulator，33: Oil pump electrical machinery，34: the first ball valves: 35: the second ball valves，36: water pipe，37: oil pipe，4: high pressure protector，41: the first side plates，42: first hole，5: low-voltage distribution equipment，51: the second side plates，52: second hole，53: circular hole，6: temperature controller panel.
Detailed description of the invention
Fig. 1 is overall structure schematic diagram of the present utility model.Such as Fig. 1, shield machine combination type oil-immersed type transformer of the present utility model includes high pressure protector 4 and the low-voltage distribution equipment 5 that the transformator being placed in fuel tank 1, the pressure relief device 2 at fuel tank 1 top, the water-cooling heat radiating device 3 of fuel tank 1 bottom, fuel tank 1 sidepiece be connected with high-voltage connection.
The pressure relief device 2 at fuel tank 1 top includes gas relay 21, pressure release room 22 and pressure relief valve 23.Fuel tank 1 top is positioned at the position bottom described gas relay 21 and is provided with the trachea 24 stretching into fuel tank 1, fuel tank 1 top is positioned at the position bottom described pressure release room 22 and is provided with the water conservancy diversion oil pipe 25 stretching into fuel tank 1, and described water conservancy diversion oil pipe 25 stretches into the vertical length of fuel tank 1 and stretches into the vertical length of fuel tank 1 more than trachea 24.Described pressure relief device 2 can also include the pipe type oil-level gauge 26 being connected with fuel tank 1, facilitates staff to observe the oil level in fuel tank.
Fig. 2 is the structural representation of pressure release room 22.Such as Fig. 2, pressure release room 22 is cuboid, including four side plates 221 and a top board 222, side plate 221 and top board 222 are all firm plates, side plate 221 upper edge outwards bends 90 degree, bending part 2211 and plane-parallel, bending part 2211 is tightly connected by bolt 223 and nut 224 with top board 222 surrounding.Fig. 3 is the partial enlarged drawing in Fig. 2 at top board 222 and side plate bending part 2211 sealing.Such as Fig. 3, being provided with sealing ring 225 between described bending part 2211 and top board 222, this sealing ring 225 is oil-resistant rubber ring.It is provided with the big steel ring 2261 controlling sealing ring 225 decrement outside sealing ring 225, inside sealing ring 225, is provided with the drum rim 2262 of positioning seal ring 225.It is sequentially provided with spring washer 227, plain cushion 228 and rubbery flat gasket 229 between bolt 223 head and top board 222 from top to bottom, between bending part 2211 and nut 224, is sequentially provided with plain cushion 228 and spring washer 227 from top to bottom.
Transformer fault mainly has transformator turn-to-turn and layer short circuit, iron core fault, inside pipe casing fault, the internal broken string of winding and insulation degradation etc..The gas relay 21 sensitive sensor transformer fault of energy is also protected.When power transformer interior fault, it is overheated that trouble point locally occurs, neighbouring transformer oil is caused to expand, the air dissolved in oil is expelled out of, formation bubble rises, oil and other material ionize under the effect of electric arc and electric discharge etc. and produce gas, make fuel tank 1 internal pressure become big, and the oil in fuel tank 1 enters pressure release room 22 by water conservancy diversion oil pipe 25.If fault is slight, a small amount of gas of discharge slowly ascends into gas relay 21, and the light gas float action of gas relay 21 sends signal alarm, and staff opens the vent valve of gas relay 21 in time and exits to fix a breakdown.If there being a large amount of other to enter gas relay 21, then oil gas impact baffle plate, making grave gas action of relay contact, sending trip signal, high-voltage switch gear trips to fix a breakdown.After transformer fault is got rid of, the oil of pressure release room 22 flow back into oil tank of transformer 1, by the change of pressure release room 22 pressure, reaches the function of oil tank of transformer 1 autonomous respiration.Schematic diagram as shown in Figure 7; high-voltage board manual operation; there is shunt opening trip avoidance function; when oil-filled transformer occur grave gas fault or and time oil temperature exceedes setting value (such as 90 DEG C) or pressure relief valve's superpressure; gas relay 21 and pressure relief valve 23 etc. output signals to high-voltage board; high-voltage board trips after receiving fault-signal immediately, protects transformator.
When inside electric appliance breaks down, and staff open the most in time gas relay 21 air valve venting time, pressure relief valve 23 automatically turns on to discharge the pressure in fuel tank 1, fuel tank 1 is avoided to deform or burst, when in fuel tank 1, pressure drops to the closing presure value set, pressure relief valve 23 reliably closes, it is to avoid outside moisture and impurity enter in fuel tank 1.
The radiating mode of this utility model transformator is water-cooling.Fig. 4 is the structural representation of water-cooling heat radiating device 3.Such as Fig. 4, water-cooling heat radiating device 3 includes the water oil heat exchanger 31 in portion placed under, and water oil heat exchanger 31 is respectively equipped with cooling water inlet 311, hot water outlet 312, oil-in 313 and oil-out 314.Wherein, one end of cooling water inlet 311 connects the cold water pipes such as tap water nearby, and the other end connects water oil heat exchanger 31 by Self-power temp. regulator 32.Oil-in 313 and oil-out 314 are respectively connected to fuel tank 1, and oil-in 313 connects fuel tank 1 by Oil pump electrical machinery 33 and the first ball valve 34, and oil-out 314 connects fuel tank 1 by the second ball valve 35, and in Fig. 4 and Fig. 1, label 36 is water pipe, 37 is oil pipe.Water oil heat exchanger 31 is heat-exchangers of the plate type, passes through rubber seal between plate and plate.
Fig. 5 is the structural representation of high pressure protector 4.Such as Fig. 5; high pressure protector 4 includes high pressure outer cover of steel plate and is positioned at the high-voltage board of shell; the first side plate 41 that high pressure outer cover of steel plate is connected with fuel tank 1 is provided with out the first hole 42 of cable, and the inlet wire of this utility model transformator and protection use GISELA-12-T sulfur hexafluoride all-insulation inflation cabinet as high-voltage board.
Fig. 6 is the structural representation of low-voltage distribution equipment 5.Such as Fig. 6, the second side plate 51 that low-voltage distribution equipment 5 is connected with fuel tank 1 is provided with the second hole 52 of inlet wire cable, and the side plate that another opposed vertical direction tilts is provided with out multiple circular holes 53 or configuration low-voltage distribution cabinet (can copy the design of high-voltage board) of cable.
Being provided with transformer sheet shell outside transformator, the outside of transformer sheet shell is longitudinally provided with reinforcement, and inside is provided with the reinforcement of annular.
Additionally, be provided with the temperature controller panel 6 of oil temperature within showing fuel tank 1 on a side plate 221 of described gas relay 21, described temperature controller panel 6 connects the temperature probe in fuel tank 1.
Claims (10)
- null1. shield machine combination type oil-immersed type transformer，It is characterized in that，It is provided with pressure relief device (2) at fuel tank (1) top of transformator，This pressure relief device (2) includes gas relay (21)、Pressure release room (22) and pressure relief valve (23)，Fuel tank (1) top is positioned at the position of described gas relay (21) bottom and is provided with the trachea (24) stretching into fuel tank (1)，Fuel tank (1) top is positioned at the position of described pressure release room (22) bottom and is provided with the water conservancy diversion oil pipe (25) stretching into fuel tank (1)，Described water conservancy diversion oil pipe (25) is stretched into the vertical length of fuel tank (1) and is stretched into the vertical length of fuel tank (1) more than trachea (24)，The water-cooling heat radiating device (3) reducing oil temperature it is provided with in fuel tank (1) bottom，Oil-in (313) and the oil-out (314) of water-cooling heat radiating device (3) are respectively connected to fuel tank (1)，The high pressure protector (4) being connected with high-voltage connection it is additionally provided with at fuel tank (1) sidepiece.
- Shield machine combination type oil-immersed type transformer the most according to claim 1, it is characterized in that, described pressure release room (22) is cuboid, including four side plates (221) and a top board (222), the upper edge of side plate (221) outwards bends 90 degree, and the bending part (2211) of side plate (221) upper edge is tightly connected by bolt (223) and nut (224) with top board (222) surrounding.
- Shield machine combination type oil-immersed type transformer the most according to claim 2, it is characterized in that, sealing ring (225) it is provided with between described bending part (2211) and top board (222), sealing ring (225) outside is provided with the big steel ring (2261) controlling sealing ring (225) decrement, and sealing ring (225) inner side is provided with the drum rim (2262) of positioning seal ring (225).
- Shield machine combination type oil-immersed type transformer the most according to claim 1, it is characterized in that, described water-cooling heat radiating device (3) includes the water oil heat exchanger (31) in portion placed under, water oil heat exchanger (31) is respectively equipped with cooling water inlet (311), hot water outlet (312), oil-in (313) and oil-out (314), one end of cooling water inlet (311) connects cold water pipe, the other end connects water oil heat exchanger (31) by Self-power temp. regulator (32), oil-in (313) connects fuel tank (1) by Oil pump electrical machinery (33) and the first ball valve (34), oil-out (314) connects fuel tank (1) by the second ball valve (35).
- Shield machine combination type oil-immersed type transformer the most according to claim 4, it is characterised in that described water oil heat exchanger (31) is heat-exchangers of the plate type, passes through rubber seal between plate and plate.
- Shield machine combination type oil-immersed type transformer the most according to claim 1, it is characterised in that described pressure relief device (2) also includes the pipe type oil-level gauge (26) being connected with fuel tank (1).
- Shield machine combination type oil-immersed type transformer the most according to claim 1; it is characterized in that; described high pressure protector (4) includes high pressure outer cover of steel plate and is positioned at the high-voltage board of shell; the first side plate (41) that high pressure outer cover of steel plate is connected with fuel tank (1) is provided with out the first hole (42) of cable, and described high-voltage board is GISELA-12-T sulfur hexafluoride all-insulation inflation cabinet.
- Shield machine combination type oil-immersed type transformer the most according to claim 1, it is characterized in that, described transformator connects low-voltage distribution equipment (5), the second side plate (51) that described low-voltage distribution equipment (5) is connected with fuel tank (1) is provided with the second hole (52) of inlet wire cable, and the side plate that another opposed vertical direction tilts is provided with out multiple circular holes (53) or the configuration low-voltage distribution cabinet of cable.
- Shield machine combination type oil-immersed type transformer the most according to claim 1, it is characterised in that be provided with transformer sheet shell outside transformator, the outside of transformer sheet shell is longitudinally provided with reinforcement, and inside is provided with the reinforcement of annular.
- Shield machine combination type oil-immersed type transformer the most according to claim 1, it is characterized in that, being provided with the temperature controller panel (6) of oil temperature within showing fuel tank on a side plate of described gas relay, described temperature controller panel (6) connects the temperature probe in fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446014.0U CN205751768U (en) | 2016-05-17 | 2016-05-17 | Shield machine combination type oil-immersed type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620446014.0U CN205751768U (en) | 2016-05-17 | 2016-05-17 | Shield machine combination type oil-immersed type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205751768U true CN205751768U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620446014.0U Withdrawn - After Issue CN205751768U (en) | 2016-05-17 | 2016-05-17 | Shield machine combination type oil-immersed type transformer |
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| CN (1) | CN205751768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826041A (en) * | 2016-05-17 | 2016-08-03 | 许昌许继配电股份有限公司 | Combined oil immersed transformer of shield tunneling machine |
-
2016
- 2016-05-17 CN CN201620446014.0U patent/CN205751768U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826041A (en) * | 2016-05-17 | 2016-08-03 | 许昌许继配电股份有限公司 | Combined oil immersed transformer of shield tunneling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180619 |