阅读说明：本技术 一种油浸式变压器及其使用方法 (Oil-immersed transformer and use method thereof ) 是由 楼晓丽 于 2021-03-13 设计创作，主要内容包括：本发明涉及变电设备技术领域,具体为一种油浸式变压器及其使用方法,包括；变压器本体,所述变压器本体的前后左右四面灯具均固定连接有多个散热鳍片,所述散热鳍片设置有油腔一。当变压器本体的温度过高时,增压泵向气压罐内增压,压力从分气通道内向油腔二内移动,在压力的作用下,密封板从油腔二的下方向上方移动,冷却油从进油口进入冷却槽内,并将密封清洗套向内侧推动,这样冷却油能够灌装在多个冷却槽内,这样能够对变压器本体内部进行冷却操作,使得热量依靠着冷却油被带出,由于散热鳍片的数量多个并排设置,散热鳍片能够与外部的环境接触,能够开快速的将内部热量传送,进而提高了散热的效率,保护内部电器元件的安全。(The invention relates to the technical field of power transformation equipment, in particular to an oil-immersed transformer and a using method thereof, wherein the using method comprises the following steps of; the transformer comprises a transformer body, wherein a plurality of heat dissipation fins are fixedly connected to all the lamps on the front, the rear, the left and the right sides of the transformer body, and are provided with first oil cavities. When the temperature of transformer body is too high, the booster pump is to the pressure boost in the atmospheric pressure jar, pressure is removed to the second oil pocket of branch gas channel in, under the effect of pressure, the closing plate removes from the below top of second oil pocket, the cooling oil gets into the cooling bath from the oil inlet, and promote sealed washing cover inboard, the cooling oil can be irritated in a plurality of cooling bath like this, can cool off the operation to transformer body inside like this, make the heat rely on the cooling oil to be taken away, because a plurality of the setting side by side of radiating fin's quantity, radiating fin can contact with outside environment, can open quick conveying inside heat, and then radiating efficiency has been improved, protect inside electrical components's safety.)

1. An oil-filled transformer, comprising: the transformer comprises a transformer body (1), a plurality of heat dissipation fins (2) are fixedly connected to all four side lamps on the front, the rear, the left and the right of the transformer body (1), oil cavities (3) are arranged on the heat dissipation fins (2), a fixing seat (4) is fixedly connected to the bottom of the transformer body (1), a booster pump (6) is fixedly connected to the top of the inner wall of the fixing seat (4), an air outlet end of the booster pump (6) is communicated with an air pressure tank (7), a plurality of air distribution channels (8) are communicated with the bottom of the air pressure tank (7), an oil cavity II (5) communicated with the oil cavities (3) is arranged at the top of the fixing seat (4), cooling oil (15) is filled in the oil cavity II (5), the inner cavity of the air distribution channel (8) is communicated with the oil cavity II (5), a sealing plate (10) is sleeved in the oil cavity II (5), two ends of the sealing, the sealing plate (10) is sleeved with a sealing sliding sleeve (14), the lower part of the inner cavity of the oil cavity II (5) is sleeved with a wind gathering sleeve (30), the oil cavity II (5) at the left side and the right side are communicated with an air pressure pull-down device, the left side and the right side of the top of the transformer body (1) are fixedly connected with recovery mechanisms (24), the transformer body (1) is sleeved with a blind area cooling mechanism (23), the blind area cooling mechanism (23) is fixedly connected with the recovery mechanisms (24), when the blind area cooling mechanism (23) is positioned at the lower end of the transformer body (1), the pull-back mechanism (24) can pull the blind area cooling mechanism (23) upwards, when the blind area cooling mechanism (23) is positioned at the upper end of the transformer body (1), the pull-down device can pull the blind area cooling mechanism (23) downwards, be provided with cooling bath (20) in transformer body (1), cooling bath (20) endotheca is equipped with cooling plate (21), the one end of cooling plate (21) is run through cooling bath (20) and extend to be provided with coolant liquid chamber (16) in transformer body (1), the cover is equipped with sealed washing cover (22) on cooling plate (21), oil pocket (3) seted up with oil inlet (19) of cooling bath (20) intercommunication, transformer body (1) top fixedly connected with coolant liquid case (17), coolant liquid case (17) will through water pump (18) the coolant liquid is carried extremely in coolant liquid chamber (16) and blind area cooling body (23).

2. An oil filled transformer according to claim 1, characterized in that: the heat-conducting oil tank is characterized in that a heat-conducting space (11) is arranged on the periphery of the fixing seat (4) and is close to the space between two adjacent oil cavities (5), a heat-conducting metal sleeve (12) is sleeved in the heat-conducting space (11), heat-radiating metal plates (13) are fixedly connected in the heat-conducting metal sleeve (12) at equal intervals, and the inner cavity of the heat-conducting space (11) is communicated with the outside of the fixing seat (4).

3. An oil filled transformer according to claim 2, characterized in that: the cooling plate (21) comprises a plurality of cooling strips (211), the plurality of cooling strips (211) are stacked, one end of each cooling strip (211) is fixedly connected with a liquid distributing pipe (212), a sliding cavity (213) is formed between every two adjacent cooling strips (211), a plurality of telescopic pipes (214) are sleeved in each sliding cavity (213), the sealing and cleaning sleeve (22) comprises a square frame (221), the square frame (221) is sleeved on the plurality of cooling strips (211), connecting strips (222) penetrate through every two adjacent cooling strips (211), two sides of each connecting strip (222) are fixedly connected with the front side and the rear side of the inner wall of the square frame (221), the connecting strips (222) are fixedly connected with one side of the telescopic pipes (214), the upper side and the lower side of each connecting strip (222) are overlapped with the opposite side of the two adjacent cooling strips (211), and the inner wall of the square frame (221) is in contact with one side of the cooling strips (211), the liquid separating pipe (212) is communicated with the inner cavity of the cooling liquid cavity (16).

4. An oil filled transformer according to claim 3, characterized in that: the pull-down device comprises a communication sleeve (26), the communication sleeve (26) is communicated with an inner cavity below the second oil cavity (5), a rotating rod (27) is sleeved in the communicating sleeve (26), a wire rewinding wheel (28) is sleeved on the rotating rod (27), a transmission wheel (31) is fixedly connected below the inner cavity of the oil cavity II (5), the bottom of the sealing plate (10) is fixedly connected with the wire returning wheel (28) through a first pull rope, the pulling rope is lapped on the surface of the transmission wheel (31), one end of the rotating rod (27) extends to one side of the inner wall of the communication channel (26) and is fixedly connected with one side of the spool (29), a sealing ring is arranged between the rotating rod (27) and the communicating sleeve (26), a third pull rope (25) is wound on the spool (29), and one end of the third pull rope (25) is fixedly connected with the bottom of the blind area cooling mechanism (23).

5. An oil filled transformer according to claim 4, characterized in that: the recovery mechanism (24) comprises a box body (241), two fixing plates (242) are fixedly connected in the box body (241), one side of the fixed plate (242) is rotatably connected with a movable rod (243), one end of the movable rod (243) is rotatably connected with a round sleeve (244), a torsion spring (245) is sleeved on the movable rod (243), a fixed rod (246) is rotatably connected at the axis of the inner wall of the round sleeve (244), the fixed rod (246) is elastically connected with the inner wall of the round sleeve (244) through a plane vortex spring (247), one end of the fixed rod (246) is fixedly connected with a recovery shaft (248), one side of the recovery shaft (248) is movably connected with one side of the inner wall of the box body (241) through a shaft lever (249), the recovery shaft (248) is wound with a second pulling rope (2410), and the top of the blind area cooling mechanism (23) at one end of the second pulling rope (2410) is fixedly connected.

6. An oil filled transformer according to claim 5, characterized in that: the dead zone cooling mechanism (23) comprises an installation frame (231), a return flow path (232) is arranged in the installation frame (231), cooling flow plates (233) are communicated with four sides of the inner wall of the return flow path (232) at equal intervals, the transformer body (1) comprises an internal electrical component assembly (101) and an external heat dissipation grating (102), the cooling flow plates (233) are sleeved in the external heat dissipation grating (102), four inner walls of the inner wall of the installation frame (231) are fixedly connected with wheel seats (234), limiting wheels (235) are sleeved in the wheels (234), a water supply device (236) is fixedly communicated with the front side of the installation frame (231), the water supply device (236), the cooling flow plates (233) comprise water storage plates (2331), two sides of the water storage plates (2331) are communicated with adhering plates (2332), one side of each water storage plate (233) is communicated with a fixed water pipe (2333), one side of the attaching plate (2332) is provided with a square groove (2334), the square groove (2334) is not sleeved with a wiping plate (23310), a water-stop plate (2335) is sleeved in the inner cavity of the attaching plate (2332), the water-stop plate (2335) is provided with a plurality of water through grooves (2336), a plurality of sealing blocking rods (2337) are inserted in the water through grooves (2336), the inner side of the wiping plate (23310) is fixedly connected with a water filtering plate (2339), the water filtering plate (2339) is elastically connected with one side of the water-stop plate (2335) through a plurality of compression springs (2338), and the upper side and the lower side of the outer side of the wiping plate (23310) are respectively and fixedly connected with a sponge plate (23111) and a nylon plate (23312).

7. Use of an oil filled transformer according to claims 1-6, characterized by: the method comprises the following steps:

firstly, when the temperature of the transformer body (1) is overhigh, a controller in the transformer body (1) controls a booster pump (6) to be started, the booster pump (6) boosts the pressure in an air pressure tank (7), the pressure moves from the air distribution channel (8) to the oil cavity II (5), under the action of the pressure, a sealing plate (10) moves upwards from the lower part of the oil cavity II (5), at the moment, the sealing plate (10) can pressurize cooling oil (15) filled in the oil cavity II (5) to the oil cavity I (3), when the cooling oil (15) enters the oil cavity I (3), the cooling oil (15) enters a cooling groove (20) from an oil inlet (19) and pushes a sealing cleaning sleeve inwards, so that the cooling oil (15) can be filled in a plurality of cooling grooves (20), the cooling operation can be carried out of the interior of the transformer body (1) to enable heat to be carried out along with the cooling oil (15), because the plurality of radiating fins (2) are arranged side by side, the radiating fins (2) can be contacted with the external environment, the internal heat can be quickly transmitted, and the radiating efficiency is further improved;

secondly, in the first step, a water pump (18) is started, the water pump (18) pressurizes the cooling liquid in a cooling liquid tank (17) into a cooling liquid cavity (16), when the water pump (18) is started, a booster pump (6) stops supplying pressure, the cooling liquid cavity (16) enters a telescopic pipe (214) from a liquid distributing pipe (212), after the telescopic pipe (214) enters the cooling liquid, one end of the telescopic pipe (214) drives a connecting strip (222) to move towards an oil inlet (19), in the process, the telescopic pipe (214) can conduct heat dissipation treatment on the heated cooling plate (21), the cooling oil (15) remained on the cooling plate (21) can be rapidly cleaned, when the cooling oil (15) enters an oil cavity II (5), a controller in the transformer body (1) controls the water pump (18) to suck back the water of the cooling liquid in the cooling liquid cavity (16), in the process, the booster pump (6) is used for boosting the pressure in the air pressure tank (7), the pressure moves from the air distribution channel (8) to the oil cavity II (5), the sealing plate (10) moves from the lower part to the upper part of the oil cavity II (5) again under the action of the pressure, at the moment, the sealing plate (10) can be used for boosting the cooling oil (15) filled in the oil cavity II (5) to the oil cavity I (3) again, when the cooling oil (15) enters the oil cavity I (3), the cooling oil (15) enters the cooling groove (20) from the oil inlet (19), and when the sealing cleaning sleeve (22) moves towards the inner side, the cooling liquid in the telescopic pipe (214) can be extruded out, and the transformer body (1) is cooled in a reciprocating mode;

a third step; in the first step, when the sealing plate (10) moves upwards, the sealing plate (10) pulls the pull rope to move, the pull rope wound on the wire rewinding wheel (28) moves the wire rewinding wheel (28) to rotate, the wire rewinding wheel (28) drives the spool (29) to rotate through the rotating rod (27), the spool (29) can pull the pull rope III (25) downwards in the rotating process, the pull rope III (25) can pull the blind zone cooling mechanism (23) downwards, when the wire rewinding wheel is pulled, the water supply device (236) conveys cooling water into the return flow path (232) arranged in the mounting frame (231), the cooling water flows into the return flow path (232) and then flows into the cooling flow plate (233), and when the cooling flow plate (233) moves, the external heat dissipation grating (102) is contacted, namely the adjacent two heat dissipation fins (2) are contacted, and when the cooling flow plate is contacted, the adjacent two heat dissipation fins (2) are extruded, the two wiping plates (23310) are squeezed into the square groove (2334), when the two wiping plates are squeezed, the compression spring (2338) is compressed to enable the water filtering plate (2339) to move towards the water blocking plate (2336), so that the sealing blocking rod (2337) is separated from the water passing groove (2336), pressurized water flows from the water passing groove (2336) to the wiping plate (23310), when the two wiping plates move downwards, cooling water can be wiped on the equipment shell, dust on the equipment shell can be wiped in the flowing process of the wiping plate (23310), the nylon plate (23312) can remove stubborn impurities, and the sponge plate (23311) can cool stored water, so that the linkage mode can rapidly cool down when the temperature of the transformer rises, is high in efficiency and has strong linkage;

the fourth step; in the third step, when the blind area cooling mechanism (23) is pulled downwards, the second stay cord (2410) is pulled downwards by the blind area cooling mechanism (23), meanwhile, when the second stay cord (2410) is pulled downwards, the second stay cord (2410) on the recovery shaft (248) can drive the recovery shaft (248) to rotate, at the moment, the plane vortex spring (247) is tightened, after the plane vortex spring (247) is tightened, the movable rod (243) drives the torsion spring (245) to be tightened, and when the sealing plate (10) moves downwards in the first step, under the action of the plane vortex spring (247) and the torsion spring (245), the blind area cooling mechanism (23) can move upwards to a proper original position, so that the equipment can be cooled for multiple times one above another.

Technical Field

The invention relates to the technical field of power transformation equipment, in particular to an oil-immersed transformer and a using method thereof.

Background

The distribution transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, and reduces 10 (6) kV or 35kV network voltage to 230/400V bus voltage used by users, the product is suitable for alternating current 50 (60) Hz and three-phase maximum rated capacity 2500kVA, can be used indoors and outdoors, can be arranged on a pole when the capacity is 315kVA or below, and has the environmental temperature of not higher than 40 ℃, not lower than-25 ℃, the maximum daily average temperature of 30 ℃, the maximum annual average temperature of 20 ℃, the relative humidity of not more than 90 percent (the environmental temperature of 25 ℃) and the altitude of not more than 1000 m.

Current oil-immersed transformer adopts the coolant liquid of similar petroleum to cool off it, and traditional oil-immersed transformer can be along with the ageing or external environment influence of inside original paper, make it rise temperature unusually in the short time, traditional oil-immersed transformer cooling efficiency can slow down, can't carry out quick cooling at least when unusual rising temperature, and the means of cooling is single very, can cause equipment trouble for a long time, cooling in the oil-immersed transformer has can appear fixing for a long time in the transformer in addition and fixes the position fixed, make the fluidity receive the influence, the coolant oil under the more important fixed state, make the blind area can appear in the cooling, the heat conductivity also can receive the influence.

The present inventors have been made to solve the above-described problems.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the main technical scheme that: an oil-filled transformer, comprising:

the transformer comprises a transformer body, wherein a plurality of heat dissipation fins are fixedly connected with all four side lamps on the front, the rear, the left and the right of the transformer body, the heat dissipation fins are provided with first oil cavities, the bottom of the transformer body is fixedly connected with a fixed seat, the top of the inner wall of the fixed seat is fixedly connected with a booster pump, the air outlet end of the booster pump is communicated with an air pressure tank, the bottom of the air pressure tank is communicated with a plurality of air distribution channels, the top of the fixed seat is provided with second oil cavities communicated with the first oil cavities, the second oil cavities are filled with cooling oil, the inner cavities of the air distribution channels are communicated with the second oil cavities, the second oil cavities are sleeved with sealing plates, the two ends of each sealing plate are arranged in an arc shape, the sealing sliding sleeves are sleeved on the sealing plates, air gathering sleeves are sleeved below the second oil cavities on the left and the right sides, the second oil, the transformer body is sleeved with a blind area cooling mechanism which is fixedly connected with the recovery mechanism, when the blind area cooling mechanism is positioned at the lower end of the transformer body, the pulling-back mechanism can pull the blind area cooling mechanism upwards, when the blind area cooling mechanism is positioned at the upper end of the transformer body, the downward pulling device can pull the blind area cooling mechanism downward, a cooling groove is arranged in the transformer body, a cooling plate is sleeved in the cooling groove, one end of the cooling plate penetrates through the cooling groove and extends to a cooling liquid cavity arranged in the transformer body, the cooling plate is sleeved with a sealing cleaning sleeve, the oil cavity is provided with an oil inlet communicated with the cooling groove, the transformer body top fixedly connected with coolant liquid case, the coolant liquid case will through the water pump the coolant liquid is carried to in coolant liquid chamber and the blind area cooling body.

Preferably, a heat conduction space is arranged around the fixing seat and between two adjacent oil cavities II, a heat conduction metal sleeve is sleeved in the heat conduction space, heat dissipation metal plates are fixedly connected in the heat conduction metal sleeve at equal intervals, and an inner cavity of the heat conduction space is communicated with the outside of the fixing seat.

Preferably, the cooling plate includes a plurality of cooling strips, and is a plurality of the cooling strip piles up the setting, the one end fixedly connected with of cooling strip divides the liquid pipe, adjacent two be provided with smooth chamber between the cooling strip, it is a plurality of smooth intracavity all is equipped with flexible pipe, sealed washing cover includes square frame, square frame cover is established a plurality of on the cooling strip, adjacent two the cooling strip alternates there is the connecting strip, the both sides of connecting strip with both sides fixed connection around the square frame inner wall, the connecting strip with one side fixed connection of flexible pipe, the upper and lower both sides of connecting strip divide by the overlap joint with two adjacent relative one sides of cooling strip, the inner wall of square frame with one side contact of cooling strip, divide the liquid pipe with cooling liquid intracavity intercommunication.

Preferably, the pull-down device comprises a communication sleeve, the communication sleeve is communicated with an inner cavity below the second oil cavity, a rotating rod is sleeved in the communication sleeve, a wire rewinding wheel is sleeved on the rotating rod, a conveying wheel is fixedly connected below the inner cavity of the second oil cavity, the bottom of the sealing plate is fixedly connected with the wire rewinding wheel through a pull rope, the surface of the conveying wheel is in lap joint with the pull rope, one end of the rotating rod extends to one side of the inner wall of the communication channel and is fixedly connected with one side of a spool, a sealing ring is arranged between the rotating rod and the communication sleeve, a third pull rope is wound on the spool, and one end of the third pull rope is fixedly connected with the bottom of the blind area cooling mechanism.

Preferably, retrieve the mechanism and include the box, two fixed plates of fixedly connected with in the box, one side of fixed plate is rotated and is connected with the movable rod, the one end and the rotation of movable rod are connected with the cylinder, the cover is equipped with the torsional spring on the movable rod, the axle center department of cylinder inner wall rotates and is connected with the dead lever, on the dead lever through plane whirling spring with cylinder inner wall elastic connection, the axle is retrieved to the one end fixedly connected with of dead lever, retrieve one side of axle pass through the axostylus axostyle with one side swing joint of box inner wall, it has stay cord two to retrieve the axle winding, the top fixed connection of the one end blind area cooling body of stay cord two.

Preferably, the blind area cooling mechanism comprises a mounting frame, a return path is arranged in the mounting frame, four sides of the inner wall of the return path are communicated with cooling flow plates at equal intervals, the transformer body comprises an internal electrical component assembly and an external heat dissipation grid, the cooling flow plates are sleeved in the external heat dissipation grid, wheel seats are fixedly connected with four inner walls of the inner wall of the mounting frame, a limiting wheel is sleeved in each wheel, a water supply device is fixedly communicated with the front side of the mounting frame, the water supply device comprises a water storage plate, two sides of the water storage plate are communicated with attachment plates, one side of each water storage plate is communicated with a fixed water pipe, one side of each attachment plate is provided with a square groove, the square groove is not sleeved with a wiping plate, an inner cavity of each attachment plate is sleeved with a water stop plate, the water stop plate is provided with a plurality of water through grooves, and a plurality of sealing blocking rods are inserted in the water, the inner side of the wiping plate is fixedly connected with a water filter plate, the water filter plate is elastically connected with one side of the water stop plate through a plurality of compression springs, and the upper side and the lower side of the outer side of the wiping plate are fixedly connected with a sponge plate and a nylon plate respectively.

Preferably, the use method of the oil-immersed transformer comprises the following steps:

firstly, when the temperature of the transformer body is overhigh, a controller in the transformer body controls a booster pump to be started, the booster pump boosts pressure in an air pressure tank, the pressure moves from the air distribution channel to the oil cavity II, under the action of pressure, the sealing plate moves upwards from the lower part of the oil cavity II, at the moment, the sealing plate can pressurize the cooling oil filled in the oil cavity II to the oil cavity I, when the cooling oil enters the first oil cavity, the cooling oil enters the cooling groove from the oil inlet and pushes the sealing cleaning sleeve inwards, thus, the cooling oil can be filled in the plurality of cooling grooves, so that the cooling operation can be performed on the inside of the transformer body, heat can be taken out by the cooling oil, because the plurality of radiating fins are arranged side by side, the radiating fins can be contacted with the external environment, the internal heat can be quickly transmitted, and the radiating efficiency is further improved;

secondly, in the first step, a water pump is started, the water pump pressurizes cooling liquid in a cooling liquid tank into a cooling liquid cavity, when the water pump is started, the booster pump stops supplying pressure, the cooling liquid cavity enters the telescopic pipe from the liquid dividing pipe, after the cooling liquid enters the telescopic pipe, one end of the telescopic pipe drives the connecting strip to move towards the oil inlet, in the process, the telescopic pipe can conduct heat dissipation treatment on the heated cooling plate, the cooling oil remained on the cooling plate can be rapidly cleaned, when the cooling oil enters the oil cavity II, a controller in the transformer body controls the water pump to suck back water of the cooling liquid in the cooling liquid cavity, in the process, the booster pump pressurizes the air pressure tank, the pressure moves from the air dividing channel to the oil cavity II, under the action of the pressure, the sealing plate moves from the lower part to the upper part of the oil cavity II again, at the moment, the sealing plate can pressurize the cooling oil filled in the oil cavity II to the first oil cavity again, when cooling oil enters the first oil cavity, the cooling oil enters the cooling groove from the oil inlet, and when the sealing cleaning sleeve moves inwards, cooling liquid in the telescopic pipe can be extruded out to cool the transformer body in a reciprocating manner;

a third step; in the first step, when the sealing plate moves upwards, the sealing plate pulls the first pull rope to move, the first pull rope wound on the wire returning wheel drives the wire returning wheel to rotate, the wire returning wheel drives the wire spool to rotate through the rotating rod, the wire spool can pull the third pull rope downwards in rotation, the third pull rope can pull the blind area cooling mechanism downwards, when the wire returning wheel is pulled, the water supply device conveys cooling water into a return flow path arranged in the mounting frame, the cooling water flows into the cooling flow plate after entering the return flow path, the cooling flow plate is contacted with an external heat dissipation grid when moving, namely the adjacent two heat dissipation fins are contacted, the two adjacent heat dissipation fins are extruded when in contact, at the moment, the two wiping plates are extruded into the square groove, when in extrusion, the compression spring is compressed to enable the water filter plate to move towards the water stop plate, so that the sealing rod is separated from the water through groove, and pressurized water flows onto the wiping plates from the water through, when the transformer temperature-reducing device moves downwards, cooling water can be wiped on the device shell, dust on the device shell can be wiped in the flowing process of the wiping plate, the nylon plate can remove stubborn impurities, and the sponge plate can cool stored water for the device;

the fourth step; in the third step, when pulling blind area cooling body downwards, stay cord two is by blind area cooling body pulling downwards, and meanwhile, when pull cord two is pulled down, retrieve epaxial stay cord two and can drive and retrieve the axle and rotate, at this moment, the plane whirling spring tightens up, after the plane whirling spring tightens up, the movable rod drives the torsional spring and tightens up, in first step, when the closing plate moves down, under the effect of plane whirling spring and torsional spring, blind area cooling body can upwards move to suitable original position, can carry out the cooling many times to equipment like this one on the other.

The invention has at least the following beneficial effects:

1. when the temperature of the transformer body is too high, the controller in the transformer body controls the booster pump to be started, the booster pump boosts the pressure in the air pressure tank, the pressure moves from the air distribution channel to the oil cavity II, the sealing plate moves from the lower part of the oil cavity II to the upper part under the action of the pressure, at the moment, the sealing plate can pressurize the cooling oil filled in the oil cavity II to the oil cavity I, when the cooling oil enters the oil cavity I, the cooling oil enters the cooling groove from the oil inlet and pushes the sealing cleaning sleeve to the inner side, so that the cooling oil can be filled in the plurality of cooling grooves, the cooling operation can be carried out on the interior of the transformer body, the heat is taken out by the cooling oil, and because the plurality of radiating fins are arranged side by side, the radiating fins can be contacted with the external environment, the internal heat can be rapidly transmitted, and the radiating efficiency is further improved, the safety of internal electrical components is protected.

2. When the water pump is started, the booster pump stops supplying pressure, the cooling liquid cavity enters the telescopic pipe from the liquid separating pipe, after cooling liquid enters the telescopic pipe, one end of the telescopic pipe drives the connecting strip to move to the oil inlet, in the process, the telescopic pipe can carry out heat dissipation treatment on the heated cooling plate, the cooling oil remained on the cooling plate can be quickly cleaned, when the cooling oil enters the oil cavity II, the controller in the transformer body controls the water pump to suck back water of the cooling liquid in the cooling liquid cavity, in the process, the booster pump boosts the pressure in the air pressure tank, the pressure moves from the air distribution channel to the oil cavity II, under the action of the pressure, the sealing plate moves from the lower part to the upper part of the oil cavity II again, at the moment, the sealing plate can pressurize the cooling oil filled in the oil cavity II to the oil cavity I again, when the cooling oil enters the oil cavity I, the cooling oil enters the cooling groove from the oil inlet, when sealed washing cover moved to the inboard, can extrude the coolant liquid in the telescopic tube, reciprocal cools off the transformer body, and cooling method has further increased refrigerated scope like this for periphery and inside all can cool off, and cooling oil flow nature is strong moreover, has increased the area that the contact flows, increases the effect of cooling.

3. When the sealing plate moves upwards, the sealing plate pulls the first pull rope, the first pull rope wound on the wire rewinding wheel at the moment moves the wire rewinding wheel to rotate, the wire rewinding wheel drives the wire shaft to rotate through the rotating rod, the wire shaft can pull the third pull rope downwards in the rotating process, the third pull rope can pull the blind area cooling mechanism downwards, when the wire is pulled, the water supply device conveys cooling water into a return flow path arranged in the mounting frame, the cooling water flows into the cooling flow plate after entering the return flow path, the cooling flow plate is contacted with an external heat dissipation grid when moving, namely the adjacent two heat dissipation fins are contacted with each other, the two adjacent heat dissipation fins are extruded when in contact, at the moment, the two wiping plates are extruded towards the square groove, when in extrusion, the compression spring is compressed to enable the water filter plate to move towards the water separation plate, so that the sealing blocking rod is separated from the water through groove, and pressurized water flows onto the, when the downstream, the cooling water can be wiped on equipment shell, and in addition, at the in-process that the cleaning plate flows, can wipe the dust on the equipment shell, and the nylon board can detach stubborn impurity, and the sponge board can carry out equipment cooling with the moisture content of storage, and the mode of such linkage can be quick carry out the operation of cooling down at transformer temperature rise, and efficiency is fast, and linkage nature is strong moreover.

4. When pulling blind area cooling body down, stay cord two is by the downward pulling of blind area cooling body, meanwhile, when two pull cords pull down, retrieve epaxial stay cord two and can drive and retrieve the axle and rotate, at this moment, the plane whirling spring tightens up, after the plane whirling spring tightens up, the movable rod drives the torsional spring and tightens up, when the closing plate moves down, under the effect of plane whirling spring and torsional spring, blind area cooling body can rebound to suitable original position, can cool down equipment many times such one on one another.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is an overall front cross-sectional view of the present invention;

FIG. 2 is a sectional view of a top view of the mounting base of the present invention;

FIG. 3 is a side schematic view of the recovery mechanism of the present invention;

FIG. 4 is a cross-sectional view of a top view of the blind zone cooling mechanism of the present invention;

FIG. 5 is a schematic view of a cooling plate of the present invention;

FIG. 6 is a cross-sectional view of a cooling plate of the present invention;

FIG. 7 is a schematic view of a cooling flow plate of the present invention;

FIG. 8 is a schematic view of a cooling flow plate of the present invention.

In the figure, 1 transformer body, 101 internal electrical component assembly, 102 external heat dissipation grid, 2 heat dissipation fins, 3 oil cavity one, 4 fixed seat, 5 oil cavity two, 6 booster pump, 7 air pressure tank, 8 air distribution channel, 9 arc arrangement, 10 sealing plate, 11 heat conduction space, 12 heat conduction metal sleeve, 13 heat dissipation metal plate, 14 sealing sliding sleeve, 15 cooling oil, 16 cooling liquid cavity, 17 cooling liquid tank, 18 water pump, 19 oil inlet, 20 cooling tank, 21 cooling plate, 211 cooling bar, 212 liquid distribution pipe, 213 sliding cavity, 214 telescopic pipe, 22 sealing cleaning sleeve, 221 square frame, 222 connecting bar, 23 blind zone cooling mechanism, 231 mounting frame, 232 return flow path, 233 cooling flow plate, 2331 water storage plate, 2332 attaching plate, 2333 fixed water pipe, 2334 square groove, 2335 water stop plate, 2336 water through groove, 2337 sealing blocking rod, 2338 compression spring, 2339 water filter plate, 23310 wiping plate, 23311 sponge plate, 23312 nylon plate, 358 nylon plate, 2339 water filter plate, 234 wheel seat, 235 spacing wheel, 236 water supply device, 24 recovery mechanism, 241 box body, 242 fixing plate, 243 movable rod, 244 round sleeve, 245 torsion spring, 246 fixing rod, 247 plane vortex spring, 248 recovery shaft, 249 shaft rod, 2410 pull rope two, 25 pull rope three, 26 communication channel, 27 rotating rod, 28 recovery wire wheel, 29 spool, 30 wind gathering sleeve and 31 transmission wheel.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 to 8, the present invention provides an oil-immersed transformer, which is characterized by comprising:

the transformer comprises a transformer body 1, wherein a plurality of heat dissipation fins 2 are fixedly connected with all four side lamps on the front, the back, the left and the right of the transformer body 1, the heat dissipation fins 2 are provided with an oil cavity I3, the bottom of the transformer body 1 is fixedly connected with a fixed seat 4, the top of the inner wall of the fixed seat 4 is fixedly connected with a booster pump 6, the air outlet end of the booster pump 6 is communicated with an air pressure tank 7, the bottom of the air pressure tank 7 is communicated with a plurality of air distribution channels 8, the top of the fixed seat 4 is provided with an oil cavity II 5 communicated with the oil cavity I3, the oil cavity II 5 is filled with cooling oil 15, the inner cavity of the air distribution channel 8 is communicated with the oil cavity II 5, a sealing plate 10 is sleeved in the oil cavity II 5, two ends of the sealing plate 10 are arc-shaped 9, a sealing sliding sleeve 14 is sleeved on the sealing plate 10, a wind gathering sleeve 30 is sleeved below the, the transformer body 1 is sleeved with a blind zone cooling mechanism 23, the blind zone cooling mechanism 23 is fixedly connected with a recovery mechanism 24, when the blind zone cooling mechanism 23 is positioned at the lower end of the transformer body 1, the pullback mechanism 24 can pull the blind zone cooling mechanism 23 upwards, when blind area cooling body 23 is located the upper end of transformer body 1, the pull-down device can stimulate blind area cooling body 23 downwards, be provided with cooling bath 20 in the transformer body 1, the cover is equipped with cooling plate 21 in the cooling bath 20, the one end of cooling plate 21 runs through cooling bath 20 and extends to and is provided with coolant liquid chamber 16 in the transformer body 1, the cover is equipped with sealed washing cover 22 on the cooling plate 21, oil chamber 3 sets up the oil inlet 19 with cooling bath 20 intercommunication, transformer body 1 top fixedly connected with coolant liquid case 17, coolant liquid case 17 carries the coolant liquid to coolant liquid chamber 16 and blind area cooling body 23 in through water pump 18.

A heat conducting space 11 is arranged around the fixing seat 4 and between the two adjacent oil cavities 5, a heat conducting metal sleeve 12 is sleeved in the heat conducting space 11, heat radiating metal plates 13 are fixedly connected in the heat conducting metal sleeve 12 at equal intervals, and the inner cavity of the heat conducting space 11 is communicated with the outside of the fixing seat 4.

The cooling plate 21 comprises a plurality of cooling strips 211, the plurality of cooling strips 211 are stacked, one end of each cooling strip 211 is fixedly connected with a liquid separating pipe 212, a sliding cavity 213 is formed between every two adjacent cooling strips 211, a telescopic pipe 214 is sleeved in each sliding cavity 213, the sealing cleaning sleeve 22 comprises a square frame 221, the square frame 221 is sleeved on the plurality of cooling strips 211, connecting strips 222 are inserted into the two adjacent cooling strips 211 in a penetrating mode, the two sides of each connecting strip 222 are fixedly connected with the front side and the rear side of the inner wall of the square frame 221, the connecting strips 222 are fixedly connected with one side of the telescopic pipe 214, the upper side and the lower side of each connecting strip 222 are respectively lapped on one side opposite to the two adjacent cooling strips 211, the inner wall of the square frame 221 is in contact with one side of the cooling strips 211, and the liquid separating pipes 212 are. The cooling liquid cavity 16 enters the extension tube 214 from the liquid distribution tube 212, after the cooling liquid enters the extension tube 214, one end of the extension tube 214 drives the connecting strip 222 to move towards the oil inlet 19, in the process, the extension tube 214 can perform heat dissipation treatment on the heated cooling plate 21, and the cooling oil 15 remained on the cooling plate 21 can be quickly cleaned, when the cooling oil 15 enters the oil cavity two 5, the controller in the transformer body 1 controls the water pump 18 to suck back the water of the cooling liquid in the cooling liquid cavity 16, in the process, the booster pump 6 pressurizes the air pressure tank 7, the pressure moves from the air distribution channel 8 to the oil cavity two 5, under the action of the pressure, the sealing plate 10 moves from the lower part to the upper part of the oil cavity two 5 again, at the moment, the sealing plate 10 can pressurize the cooling oil 15 filled in the oil cavity two 5 to the oil cavity one 3 again, when the cooling oil 15 enters the oil cavity one 3, when the cooling oil 15 enters the cooling tank 20 from the oil inlet 19 and the seal cleaning sleeve 22 moves inward, the cooling oil can extrude the cooling liquid in the extension tube 214 and reciprocally cool the transformer body 1.

The pull-down device comprises a communicating sleeve 26, the communicating sleeve 26 is communicated with an inner cavity below the second oil cavity 5, a rotating rod 27 is sleeved in the communicating sleeve 26, a wire return wheel 28 is sleeved on the rotating rod 27, a conveying wheel 31 is fixedly connected below the inner cavity of the second oil cavity 5, a first pull rope is fixedly connected between the bottom of the sealing plate 10 and the wire return wheel 28, the first pull rope is lapped on the surface of the conveying wheel 31, one end of the rotating rod 27 extends to one side of the inner wall of the communicating channel 26 and is fixedly connected with one side of a spool 29, a sealing ring is arranged between the rotating rod 27 and the communicating sleeve 26, a third pull rope 25 is wound on the spool 29, and one end of the third pull rope 25 is fixedly connected with the bottom of the.

Retrieve mechanism 24 and include box 241, two fixed plates 242 of fixedly connected with in the box 241, one side of fixed plate 242 rotates and is connected with movable rod 243, the one end and the rotation of movable rod 243 are connected with round cover 244, the cover is equipped with torsional spring 245 on the movable rod 243, the axle center department of round cover 244 inner wall rotates and is connected with dead lever 246, pass through plane whirling spring 247 and round cover 244 inner wall elastic connection on the dead lever 246, axle 248 is retrieved to the one end fixedly connected with of dead lever 246, one side of retrieving axle 248 is through the one side swing joint of axostylus axostyle 249 with the box 241 inner wall, it has two 2410 of stay cord to coil 248, the top fixed connection of the one end blind area cooling body 23. When pulling blind area cooling body 23 downwards, the second stay cord 2410 is pulled downwards by blind area cooling body 23, meanwhile, when the second stay cord 2410 is pulled downwards, the second stay cord 2410 on the recovery shaft 248 can drive the recovery shaft 248 to rotate, at the moment, the plane whirling spring 247 is tightened, after the plane whirling spring 247 is tightened, the movable rod 243 drives the torsion spring 245 to be tightened, when the sealing plate 10 moves downwards, under the action of the plane whirling spring 247 and the torsion spring 245, the blind area cooling body 23 can move upwards to a proper original position, and the temperature of the equipment can be lowered for many times one by one.

The dead zone cooling mechanism 23 comprises a mounting frame 231, a return flow path 232 is arranged in the mounting frame 231, cooling flow plates 233 are communicated with four sides of the inner wall of the return flow path 232 at equal intervals, the transformer body 1 comprises an internal electrical component assembly 101 and an external heat dissipation grid 102, the cooling flow plates 233 are sleeved in the external heat dissipation grid 102, wheel seats 234 are fixedly connected with four inner walls of the inner wall of the mounting frame 231, a limiting wheel 235 is sleeved in the wheel 234, a water supply device 236 and a water stop device 236 are fixedly communicated with the front side of the mounting frame 231, the cooling flow plates 233 comprise water storage plates 2331, two sides of the water storage plates 2331 are communicated with attachment plates 2332, one side of the water storage plates 2331 is communicated with a fixed water pipe 2333, a square groove 2334 is formed in one side of the attachment plate 2332, the square groove 2334 is not sleeved with a wiping plate 23310, an inner cavity of the attachment plate 2332 is sleeved with a water blocking plate 2335, a plurality of water through grooves 2336 are formed, a water filter plate 2339 is fixedly connected to the inner side of the wiping plate 23310, the water filter plate 2339 is elastically connected to one side of the water stop plate 2335 by a plurality of compression springs 2338, and a sponge plate 23111 and a nylon plate 23312 are fixedly connected to the upper and lower sides of the outer side of the wiping plate 23310, respectively. When the sealing plate 10 moves upward, the sealing plate 10 pulls the pull rope to move, the pull rope wound on the take-up pulley 28 moves the take-up pulley 28 to rotate, the take-up pulley 28 drives the spool 29 to rotate through the rotating rod 27, the spool 29 can pull the pull rope three 25 downward when rotating, the pull rope three 25 can pull the blind zone cooling mechanism 23 downward, when the pull rope is pulled, the water supply device 236 supplies cooling water to the return passage 232 arranged in the mounting frame 231, the cooling water flows into the return passage 232 and then flows into the cooling flow plate 233, when the cooling flow plate 233 moves, the cooling flow plate 233 contacts with the external heat dissipation grid 102, namely, the adjacent two heat dissipation fins 2 contact with each other, when the two wiping plates 23310 are pressed into the square groove 2334, when the compression spring 2338 is compressed, the water filtering plate 2339 moves towards the water blocking plate 2336, so that the sealing blocking rod 2337 is separated from the water passing groove 2336, pressurized water flows from the water flow tank 2336 to the wiping plate 23310, and when the pressurized water moves downwards, cooling water can be wiped on the equipment shell, and in the flowing process of the wiping plate 23310, dust on the equipment shell can be wiped, the nylon plate 23312 can remove stubborn impurities, and the sponge plate 23311 can cool the stored water.

A use method of an oil-immersed transformer comprises the following steps:

firstly, when the temperature of the transformer body 1 is overhigh, a controller in the transformer body 1 controls a booster pump 6 to be started, the booster pump 6 boosts the pressure in an air pressure tank 7, the pressure moves from the air distribution channel 8 to an oil cavity II 5, a sealing plate 10 moves from the lower part of the oil cavity II 5 to the upper part under the action of the pressure, at the moment, the sealing plate 10 can pressurize cooling oil 15 filled in the oil cavity II 5 to the oil cavity I3, when the cooling oil 15 enters the oil cavity I3, the cooling oil 15 enters a cooling groove 20 from an oil inlet 19 and pushes a sealing cleaning sleeve inwards, so that the cooling oil 15 can be filled in a plurality of cooling grooves 20, the cooling operation can be carried out on the interior of the transformer body 1, heat is carried out by the cooling oil 15, and because a plurality of cooling fins 2 are arranged side by side, the cooling fins 2 can be contacted with the external environment, the heat dissipation device can quickly transmit the internal heat, so that the heat dissipation efficiency is improved;

secondly, in the first step, the water pump 18 is started, the water pump 18 pressurizes the cooling liquid in the cooling liquid tank 17 into the cooling liquid cavity 16, when the water pump 18 is started, the booster pump 6 stops supplying pressure, the cooling liquid cavity 16 enters the extension tube 214 from the liquid distribution tube 212, after the cooling liquid enters the extension tube 214, one end of the extension tube 214 drives the connecting strip 222 to move towards the oil inlet 19, in the process, the extension tube 214 can perform heat dissipation treatment on the heated cooling plate 21, the cooling oil 15 remained on the cooling plate 21 can be rapidly cleaned, when the cooling oil 15 enters the oil cavity two 5, the controller in the transformer body 1 controls the water pump 18 to suck back the water of the cooling liquid in the cooling liquid cavity 16, in the process, the booster pump 6 pressurizes the air pressure tank 7, the pressure moves from the air distribution channel 8 to the oil cavity two 5, under the action of the pressure, the oil cavity of the sealing plate 10 moves from the lower part to the upper part of the oil cavity two 5 again, at this time, the sealing plate 10 can pressurize the cooling oil 15 filled in the oil cavity two 5 to the oil cavity one 3 again, when the cooling oil 15 enters the oil cavity one 3, the cooling oil 15 enters the cooling groove 20 from the oil inlet 19, and when the sealing cleaning sleeve 22 moves inwards, the cooling liquid in the extension tube 214 can be extruded out to cool the transformer body 1 in a reciprocating manner;

a third step; in the first step, when the sealing plate 10 moves upward, the sealing plate 10 pulls the pulling rope to move, the pulling rope wound on the wire rewinding wheel 28 moves the wire rewinding wheel 28 to rotate, the wire rewinding wheel 28 drives the spool 29 to rotate through the rotating rod 27, at this time, the spool 29 can pull the pulling rope three 25 downward when rotating, the pulling rope three 25 can pull the blind area cooling mechanism 23 downward, when pulling, the water supply device 236 delivers the cooling water into the backflow passage 232 arranged in the mounting frame 231, the cooling water enters the backflow passage 232 and then flows into the cooling flow plate 233, at this time, the cooling flow plate 233 contacts with the external heat dissipation grid 102 when moving, namely, the adjacent two heat dissipation fins 2 contact with each other, when contacting, the two wiping plates 23310 are pressed into the square groove 2334, when pressing, the compression spring 2338 is compressed to make the water filtering plate 2339 move towards the water blocking plate 2336, the sealing blocking rod 2337 is separated from the water through groove 2336, so that pressurized water flows to the wiping plate 23310 from the inside of the water through groove 2336, when the water flows downwards, cooling water can be wiped on the equipment shell, dust on the equipment shell can be wiped in the flowing process of the wiping plate 23310, the nylon plate 23312 can remove stubborn impurities, and the sponge plate 23311 can cool the stored water, so that the linkage mode can rapidly perform cooling operation when the temperature of the transformer rises, the efficiency is high, and the linkage is strong;

the fourth step; in the third step, when the blind area cooling mechanism 23 is pulled downwards, the second stay cord 2410 is pulled downwards by the blind area cooling mechanism 23, meanwhile, when the second stay cord 2410 is pulled downwards, the second stay cord 2410 on the recovery shaft 248 can drive the recovery shaft 248 to rotate, at this time, the plane vortex spring 247 is tightened, after the plane vortex spring 247 is tightened, the movable rod 243 drives the torsion spring 245 to be tightened, when the sealing plate 10 moves downwards in the first step, the blind area cooling mechanism 23 can move upwards to a proper original position under the action of the plane vortex spring 247 and the torsion spring 245, and the equipment can be cooled for multiple times one on top of another.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.

The foregoing description shows and describes several preferred embodiments of the invention, but as before, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.