CN210640095U

CN210640095U - Transformer cooling device

Info

Publication number: CN210640095U
Application number: CN201921895422.4U
Authority: CN
Inventors: 姜绪礼; 耿荣华
Original assignee: Suzhou Lanxun Electrical Equipment Co Ltd
Current assignee: Suzhou Lanxun Electrical Equipment Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-05-29
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a transformer cooling device, including the oil storage tank, its characterized in that: an oil guide pipe is connected above the oil storage tank, an oil pump is arranged on one side of the oil storage tank close to the oil guide pipe, a fixed seat sleeve is arranged below the oil pump, a fan fixing seat is arranged on the fixed seat sleeve, a side plate is arranged on one side of the fan fixing seat, a plurality of vent holes are formed in the side plate, a cross rod is fixed on one side of the side plate close to the fan fixing seat, sliding grooves are formed in two ends of the fan fixing seat close to the side plate, sliding blocks are arranged on the sliding grooves, and a fixing rod is arranged on one side of the sliding blocks away; the utility model discloses in with original transformer cooling device, fix the fan inside the fan fixing base, the replacement is for the fan that can follow the fan fixing base and take off, breaks down when the fan and needs the maintenance replacement, conveniently takes off the fan from the fan fixing base, maintains the replacement work again.

Description

Transformer cooling device

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to transformer cooling device.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) and the like.

The prior art has the following problems: 1. the existing transformer cooling device is provided with a fan inside a fan fixing seat, and is used for cooling a winding set fixed between the fan fixing seat and a fixing seat sleeve, but the fan is fixed inside the fan fixing seat, so that when the fan breaks down and needs to be maintained and replaced, the fan is inconvenient to take out from the inside of the fan fixing seat for maintenance and replacement; 2. the existing transformer cooling device is provided with a water jacket on the periphery of a thin tube, water is injected into the water jacket and is used for cooling and recycling cooling oil entering the thin tube, but after the cooling oil is cooled by a water body for multiple times, the heat of the water body per se can rise, the cooling oil can not be cooled again, the temperature of the cooling oil per se which is recycled is higher, and the cooling effect of the device is influenced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a transformer cooling device has convenient maintenance, cold water cyclic utilization's characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: a cooling device for a transformer comprises an oil storage tank, wherein an oil guide pipe is connected above the oil storage tank, an oil pump is arranged on one side of the oil storage tank close to the oil guide pipe, a fixed seat sleeve is arranged below the oil pump, a fan fixed seat is arranged on the fixed seat sleeve, a side plate is arranged on one side of the fan fixed seat, a plurality of vent holes are formed in the side plate, a cross rod is fixed on one side of the side plate close to the fan fixed seat, sliding grooves are formed in two ends of the fan fixed seat close to the side plate, sliding blocks are arranged on the sliding grooves, a fixed rod is arranged on one side of each sliding block away from the corresponding sliding groove, connecting plates are fixed at two ends of each fixed rod, the connecting plates and the sliding blocks as well as the side plates and the fan fixed seat are fixedly connected through bolts, the one end that the oil pump was kept away from to the cooling tube cover is connected with the tubule, the peripheral cover of tubule is equipped with the water jacket, the top of water jacket is fixed with the water filling port, one side that the cooling tube cover was kept away from to the water jacket is provided with the cooler bin, be fixed with the backup pad on the inside lateral wall of cooler bin, install the air-cooler on the inside opposite side wall of cooler bin, the top of backup pad is provided with the suction pump, the input of suction pump is fixed with the inlet tube, the output of suction pump is fixed with the cooling tube.

Preferably, the fixing rod and the connecting plate are of an integrated structure.

Preferably, the connecting plate and the sliding block, and the side plate and the fan fixing seat are provided with threaded holes at positions corresponding to the bolts.

Preferably, the length of the cross bar is the same as the length difference between the sliding block and the sliding groove.

Preferably, the water jacket is provided with a jack at a position corresponding to the water inlet pipe.

Preferably, one end of the cooling pipe, which is positioned in the cooling box, is arranged in a U-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in with original transformer cooling device, fix the fan inside the fan fixing base, the replacement is for the fan that can follow the fan fixing base and take off, breaks down when the fan and needs the maintenance replacement, conveniently takes off the fan from the fan fixing base, maintains the replacement work again.

2. The utility model discloses on the water jacket among original transformer cooling device, add cold water circulating device, after the cooling water in the water jacket heaies up, the cooling water after will heaing up through cold water circulating device cools down the operation, carries the cooling water in the water jacket again after the cooling, avoids the too high unable cooling oil that cools down of cooling water temperature in the water jacket to influence the cooling effect of whole device.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a sectional view of the fan fixing base of the present invention;

FIG. 3 is an enlarged view of FIG. 2A according to the present invention;

fig. 4 is a sectional view of the cooling box of the present invention.

In the figure: 1. an oil storage tank; 2. an oil pump; 3. an oil guide pipe; 4. a water jacket; 5. a water injection port; 6. a cooling tube; 7. a cooling tank; 8. a water inlet pipe; 9. a thin tube; 10. cooling the pipe sleeve; 11. fixing the seat cover; 12. a fan fixing seat; 13. a slider; 14. a side plate; 15. fixing the rod; 16. a vent hole; 17. a fan; 18. a connecting plate; 19. a cross bar; 20. a bolt; 21. a chute; 22. a water pump; 23. an air cooler; 24. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a transformer cooling device comprises an oil storage tank 1, an oil guide pipe 3 is connected above the oil storage tank 1, an oil pump 2 is arranged on one side of the oil storage tank 1 close to the oil guide pipe 3, a fixed seat sleeve 11 is arranged below the oil pump 2, a fan fixing seat 12 is arranged on the fixed seat sleeve 11, a side plate 14 is arranged on one side of the fan fixing seat 12, a plurality of ventilation holes 16 are arranged on the side plate 14, a cross rod 19 is fixed on one side of the side plate 14 close to the fan fixing seat 12, sliding grooves 21 are respectively arranged at two ends of the fan fixing seat 12 close to the side plate 14, a sliding block 13 is arranged on the sliding grooves 21, a fixing rod 15 is arranged on one side of the sliding block 13 far away from the sliding grooves 21, connecting plates 18 are fixed at two ends of the fixing rod 15, the connecting plates 18 and the sliding blocks 13 are fixedly connected through bolts 20, a fan 17 is fixed on, one end, far away from the oil pump 2, of the cooling pipe sleeve 10 is connected with a thin pipe 9, a water jacket 4 is sleeved on the periphery of the thin pipe 9, a water injection port 5 is fixed above the water jacket 4, a cooling box 7 is arranged on one side, far away from the cooling pipe sleeve 10, of the water jacket 4, a supporting plate 24 is fixed on one side wall inside the cooling box 7, an air cooler 23 is installed on the other side wall inside the cooling box 7, a water suction pump 22 is arranged above the supporting plate 24, a water inlet pipe 8 is fixed at the input end of the water suction pump 22, and a cooling pipe 6 is fixed at.

In order to facilitate the detachment or installation of the fixing rod 15, in the present embodiment, it is preferable that the fixing rod 15 and the connecting plate 18 are of an integral structure.

In order to facilitate the fixing of the connecting plate 18 and the slider 13 and the side plate 14 and the fan fixing seat 12 by the bolts 20, in this embodiment, preferably, threaded holes are formed in the positions of the connecting plate 18 and the slider 13 and the positions of the side plate 14 and the fan fixing seat 12 corresponding to the bolts 20.

In order to be able to abut against the slide 13 via the cross bar 19, in this embodiment, the length of the cross bar 19 is preferably the same as the difference in length between the slide 13 and the slide groove 21.

In order to enable the water inlet pipe 8 to extend into the water jacket 4 through the side wall of the water jacket 4, in the embodiment, it is preferable that the water jacket 4 is provided with a jack at a position corresponding to the water inlet pipe 8.

In order to increase the cooling time of the water in the cooling pipe 6, in the present embodiment, it is preferable that the cooling pipe 6 is disposed in a U-shaped configuration at an end thereof located in the cooling tank 7.

The utility model discloses well oil pump 2 is the wide application that has disclosed and the known technique of daily life, and its theory of operation is: the power driving device drives the fluid conveying diaphragm (piston) to realize reciprocating motion through a mechanical link system: the diaphragm (piston) will be pumping the intake fluid during the first half of the stroke and expelling the fluid out of the pump head during the second half of the stroke, which is the type selected for this embodiment as CYZ-A.

The utility model discloses well fan 17 is the wide application that has disclosed and the known technique of daily life, and its theory of operation is: when the fan works, the fan impeller inside the fan rotates at a high speed, so that air in the fan shell generates centrifugal force to be thrown away from the fan impeller and is 'forced' out of the fan through the air outlet; at this time, because the air around the fan impeller is thrown out to generate negative pressure, the new air is continuously supplemented from the air inlet, and the model of the air inlet is CX-125.

The utility model discloses well suction pump 22 is the wide application that has disclosed and the known technique of daily life, and its theory of operation is: the periodic variation in working chamber volume IS used to deliver fluid, the type IS65-50-160 being chosen for this embodiment.

The utility model discloses well cooling fan 23 is the wide application that has disclosed and the known technique of daily life, and its theory of operation is: when the fan runs, negative pressure is generated in the cavity, so that outside air flows through the porous wet curtain surface to force the dry bulb temperature of the curtain air to be reduced to be close to the wet bulb temperature of the outside air, namely the dry bulb temperature of the outlet of the air cooler is 5-12 ℃ lower than the outdoor dry bulb temperature (the dry and hot area can reach 15 ℃), and the model selected in the embodiment is GXA-UF 08.

The utility model discloses a theory of operation and use flow: the utility model fixes the winding set in the fixed seat cover 11, fix the fan fixing seat 12 in the fixed seat cover 11, insert the fixed seat cover 11 into the cooling pipe sleeve 10 again, start the oil pump 2 and the fan 17, the oil pump 2 transports the cooling oil in the oil storage tank 1 into the cooling pipe sleeve 10, cool the winding set in the cooling pipe sleeve 10, the fan 17 cools the winding set in the fixed seat cover 11 through the ventilation hole 16, the cooling oil in the cooling pipe sleeve 10 cools the winding set and then flows into the cooling pipe set 9, the cooling water in the peripheral tubule 4 of the tubule 9 can cool the cooling oil in the tubule 9, the cooling oil after cooling enters the oil storage tank 1 again through the oil guide pipe 3, the cooling oil is recycled, when the temperature of the cooling water in the water jacket 4 is too high, start the water suction pump 22 and the air cooler 23, the water that the water jacket 4 is heated up is pumped out through the water inlet pipe 8 by the water suction pump 22, and then conveying the cooling water into a cooling pipe 6, cooling the cooling water in the cooling pipe 6 under the action of an air cooler 23, injecting the cooling water into a water jacket 4 through a water injection port 5, cooling the cooling oil, taking down a bolt 20 on a side plate 14 when the fan 17 breaks down and needs to be maintained and replaced, losing the contact force of a cross rod 19 on the side plate 14 on the slide block 13, sliding the slide block 13 out of a sliding groove 21, maintaining the fan 17, taking down the bolt 20 on a connecting plate 18 when the fan 17 needs to be replaced, separating a fixed rod 15 from the slide block 13, and replacing the new fan 17.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transformer cooling device, includes oil storage tank (1), its characterized in that: the oil storage tank is characterized in that an oil guide pipe (3) is connected above the oil storage tank (1), one side, close to the oil guide pipe (3), of the oil storage tank (1) is provided with an oil pump (2), a fixed seat sleeve (11) is arranged below the oil pump (2), a fan fixing seat (12) is arranged on the fixed seat sleeve (11), one side of the fan fixing seat (12) is provided with a side plate (14), a plurality of ventilation holes (16) are formed in the side plate (14), one side, close to the fan fixing seat (12), of the side plate (14) is fixedly provided with a cross rod (19), two ends, close to the side plate (14), of the fan fixing seat (12) are respectively provided with a sliding groove (21), a sliding block (13) is arranged on the sliding groove (21), one side, far away from the sliding groove (21), of the sliding block (13) is provided with, all through bolt (20) fixed connection between connecting plate (18) and slider (13) and curb plate (14) and fan fixing base (12), be fixed with fan (17) on dead lever (15), the one end that oil storage tank (1) was kept away from in oil pump (2) is connected with cooling tube sleeve (10), the one end that oil pump (2) were kept away from in cooling tube sleeve (10) is connected with tubule (9), the peripheral cover of tubule (9) is equipped with water jacket (4), the top of water jacket (4) is fixed with water filling port (5), one side that cooling tube sleeve (10) were kept away from in water jacket (4) is provided with cooler bin (7), be fixed with backup pad (24) on the inside lateral wall of cooler bin (7), the inside opposite side wall mounting of cooler bin (7) has air-cooler (23), the top of backup pad (24) is provided with suction pump (22), the input of suction pump (22) is fixed with inlet tube (8), the output of suction pump (22) is fixed with cooling tube (6).

2. The transformer cooling device according to claim 1, wherein: the fixing rod (15) and the connecting plate (18) are of an integrated structure.

3. The transformer cooling device according to claim 1, wherein: threaded holes are formed in the positions, corresponding to the bolts (20), of the connecting plate (18), the sliding block (13), the side plate (14) and the fan fixing seat (12).

4. The transformer cooling device according to claim 1, wherein: the length of the cross rod (19) is the same as the length difference between the sliding block (13) and the sliding groove (21).

5. The transformer cooling device according to claim 1, wherein: the water jacket (4) is provided with a jack at the position corresponding to the water inlet pipe (8).

6. The transformer cooling device according to claim 1, wherein: and one end of the cooling pipe (6) in the cooling box (7) is arranged in a U-shaped structure.