CN214312818U

CN214312818U - Oil-immersed transformer with air cooling effect

Info

Publication number: CN214312818U
Application number: CN202120212309.2U
Authority: CN
Inventors: 江芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-28
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an oil-immersed transformer with forced air cooling effect relates to oil-immersed transformer technical field, which comprises an outer shell, the surface mosaic of shell has two sets of symmetrical first filter screens, the inside of shell is provided with the oil-immersed transformer body, the fixed surface of oil-immersed transformer body is connected with two sets of symmetrical heat dissipation wings, the two sets of symmetrical supporting legs of bottom surface fixed connection of oil-immersed transformer body, and the bottom surface fixed connection of supporting leg is in the interior diapire of shell. The utility model relates to a rational in infrastructure, it sets up through electric putter, linkage block, guide ring, the cooperation between act as go-between, connecting block and the baffle, promotes the radiating effect to the oil-immersed transformer body, guarantees the working property of oil-immersed transformer body, through setting up air supply mechanism, can carry out quick replacement to the second filter screen, keeps apart the dust in the outside of shell, can guarantee the radiating effect of heat dissipation wing to the oil-immersed transformer body.

Description

Oil-immersed transformer with air cooling effect

Technical Field

The utility model relates to an oil immersed transformer technical field specifically is an oil immersed transformer with forced air cooling effect.

Background

The oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, and the three-dimensional wound iron core has no air gap in a magnetic circuit because three core columns are arranged in a three-dimensional manner in an equilateral triangle, so that the winding is tighter, the three magnetic circuits are consistent in length and shortest, and the cross sectional area of the core columns of the iron core is closer to a circle, so that the performance is further improved, the loss is reduced, the noise is reduced, the three-phase balance is realized, the third harmonic component is reduced, and the product is more suitable for urban and rural power, the transformation of power grids of industrial and mining enterprises, and is more suitable for combined transformers and transformers for pre-installed substations.

At present, most oil-immersed transformers in the market are cooled by installing cooling fins on a transformer shell, heat of the transformers is dissipated to the outside environment through the cooling fins in a heat transfer mode, the cooling effect of the static cooling mode is poor, the temperature of the transformers is high, the working performance of the oil-immersed transformers is affected, and dust is accumulated on the cooling fins and can also reduce the cooling effect of the cooling fins. Therefore, the oil immersed transformer with the air cooling effect is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing an oil immersed transformer with forced air cooling effect in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an oil-immersed transformer with air cooling effect comprises a shell, wherein two symmetrical sets of first filter screens are inlaid on the outer surface of the shell, an oil-immersed transformer body is arranged inside the shell, two symmetrical sets of heat dissipation fins are fixedly connected to the outer surface of the oil-immersed transformer body, two symmetrical sets of supporting legs are fixedly connected to the bottom surface of the oil-immersed transformer body, the bottom surfaces of the supporting legs are fixedly connected to the inner bottom wall of the shell, an air supply mechanism is arranged above the shell and comprises an air supply box, the outer surface of the air supply box is fixedly connected to the inner top wall of the shell, an inserting plate is inserted into the upper surface of the air supply mechanism, a cross is fixedly connected to the inside of the air supply box, a second filter screen is arranged above the cross, air inlet holes which are arranged at equal intervals are formed in the outer surface of the air supply box, and the air inlet holes are located outside the shell, the bottom surface of the cross is fixedly connected with a fan, and the inner bottom wall of the air supply box is provided with air supply holes which are arranged at equal intervals.

Furthermore, the outer surface of the inserting plate is fixedly connected with a limiting block, two groups of symmetrical inclined slotted holes are formed in the limiting block, and the upper surface of the air supply box is fixedly connected with a conical block matched with the inclined slotted holes.

Furthermore, the inside of shell articulates there are two sets of symmetrical baffles, and baffle and first filter screen looks adaptation.

Furthermore, an electric push rod is fixedly connected to the inner bottom wall of the shell, a linkage block is fixedly connected to the telescopic end of the electric push rod, and two groups of symmetrical pull wires are fixedly connected to the outer surface of the linkage block.

Furthermore, the inner bottom wall fixedly connected with of shell is two sets of symmetrical connecting rods, every the equal fixedly connected with guide ring in top of connecting rod, every the baffle is close to the equal fixedly connected with connecting block in bottom of oil-immersed transformer body side, and the one end of keeping away from the linkage block of acting as go-between runs through the inside of guide ring and fixed connection in the surface of connecting block.

Furthermore, the bottom surface of the shell is fixedly connected with a bottom plate, and the outer surface of the shell is provided with string holes.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this oil-immersed transformer with forced air cooling effect possesses following beneficial effect:

the utility model discloses an electric putter, the linkage piece, the guide ring, act as go-between, cooperation setting between connecting block and the baffle, flexible end area linkage piece through electric putter removes, make and act as go-between in the inside slip of guide ring, and under the effect of connecting block, the purpose of baffle rotation in the shell has been realized, it shelters from first filter screen to make the baffle vertical state, avoid cold wind to directly get rid of in first filter screen follow shell, carry cold wind to the bottom surface of oil-immersed transformer body under making the baffle tilt state, promote the radiating effect to the oil-immersed transformer body, guarantee the working property of oil-immersed transformer body.

Two, the utility model discloses a set up air supply mechanism, picture peg, stopper, oblique slotted hole, cooperation setting between toper piece and the second filter screen promptly, filter the air that gets into the air-supply incasement through the second filter screen, realized avoiding the dust to get into the purpose in the shell, make the stopper insert on the toper piece through oblique slotted hole, realized carrying out quick replacement to the picture peg, keep apart the dust in the outside of shell, can guarantee the radiating effect of heat dissipation wing to the oil-immersed transformer body.

Drawings

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

FIG. 2 is a cross-sectional view of the front view of the present invention;

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

fig. 4 is a schematic structural diagram of the air supply mechanism of the present invention.

In the figure: 1. a housing; 2. a base plate; 3. an oil immersed transformer body; 4. heat dissipation fins; 5. a first filter screen; 6. a baffle plate; 7. connecting blocks; 8. a pull wire; 9. an air supply mechanism; 901. an air supply box; 902. inserting plates; 903. a limiting block; 904. an inclined slotted hole; 905. a conical block; 906. an air inlet; 907. a second filter screen; 908. a cross; 909. a fan; 910. an air supply hole; 10. supporting legs; 11. a connecting rod; 12. a guide ring; 13. a linkage block; 14. an electric push rod.

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.

As shown in fig. 1-4, the utility model provides a technical solution: an oil-immersed transformer with an air cooling effect comprises a shell 1, two groups of symmetrical first filter screens 5 are inlaid on the outer surface of the shell 1, an oil-immersed transformer body 3 is arranged inside the shell 1, two groups of symmetrical heat dissipation fins 4 are fixedly connected to the outer surface of the oil-immersed transformer body 3, two groups of symmetrical supporting legs 10 are fixedly connected to the bottom surface of the oil-immersed transformer body 3, the bottom surfaces of the supporting legs 10 are fixedly connected to the inner bottom wall of the shell 1, an air supply mechanism 9 is arranged above the shell 1, the air supply mechanism 9 comprises an air supply box 901, the outer surface of the air supply box 901 is fixedly connected to the inner top wall of the shell 1, an inserting plate 902 is inserted into the upper surface of the air supply mechanism 9, a cross 908 is fixedly connected inside the air supply box 901, a second filter screen 907 is arranged above the cross 908, air inlets 906 which are arranged at equal intervals are formed in the outer surface of the air supply box 901, and the air inlets 906 are located outside the shell 1, a fan 909 is fixedly connected to the bottom surface of the cross 908, and air supply holes 910 arranged at equal intervals are formed in the inner bottom wall of the air supply box 901.

Furthermore, the outer surface of the inserting plate 902 is fixedly connected with a limiting block 903, two sets of symmetrical inclined slot holes 904 are formed in the limiting block 903, and the upper surface of the air supply box 901 is fixedly connected with a tapered block 905 matched with the inclined slot holes 904. Through setting up inclined slot hole 904 and toper piece 905, make stopper 903 pass through inclined slot hole 904 card on toper piece 905, and then realized spacing purpose to picture peg 902.

Furthermore, two sets of symmetrical baffles 6 are hinged inside the shell 1, and the baffles 6 are matched with the first filter screen 5. Through setting up baffle 6, shelter from first filter screen 5 through baffle 6, avoid cold wind directly to spill over from shell 1 through first filter screen 5.

Further, the inner bottom wall of the housing 1 is fixedly connected with an electric push rod 14, the electric push rod 14 uses an XTL50 type electric push rod, the telescopic end of the electric push rod 14 is fixedly connected with a linkage block 13, and the outer surface of the linkage block 13 is fixedly connected with two sets of symmetrical pull wires 8. Through setting up electric putter 14, drive linkage piece 13 through electric putter 14's flexible end and remove, provide power to the removal of linkage piece 13.

Further, the inner bottom wall of shell 1 is fixedly connected with two sets of symmetrical connecting rods 11, the equal fixedly connected with guide ring 12 in top of every connecting rod 11, every baffle 6 is close to the equal fixedly connected with connecting block 7 in bottom of 3 a sides of oil-immersed transformer body, and the one end that link block 13 was kept away from to acting as go-between 8 runs through the inside of guide ring 12 and fixed connection in the surface of connecting block 7. Through setting up guide ring 12, can lead to 8 acting as go-between through guide ring 12, and then accessible linkage block 13 and connecting block 7 drive baffle 6 and rotate in the inside of shell 1.

Further, the bottom surface of the shell 1 is fixedly connected with a bottom plate 2, a string hole is formed in the outer surface of the shell 1, and an electric wire of the oil-immersed transformer body 3 extends to the outside of the shell 1 through the string hole. Through setting up bottom plate 2, can support shell 1, promote shell 1's stability.

The working principle is as follows: firstly, a fan 909 is started to enable outside air to enter the inside of the air supply box 901 through an air inlet 906, then, under the action of a second filter screen 907, dust is filtered to the inside of the air supply box 901, clean air is conveyed to the inside of the shell 1 through an air supply hole 910, the dust is isolated at the outside of the shell 1, the heat dissipation effect of the heat dissipation fins 4 on the oil-immersed transformer body 3 can be ensured, then, an electric push rod 14 is started to enable a telescopic end of the electric push rod 14 to drive a linkage block 13 to move, the linkage block 13 drives a pull wire 8 to slide in a guide ring 12, further, under the action of a connecting block 7, a baffle 6 is rotated in the shell 1, the baffle 6 shields the first filter screen 5 in a vertical state, cold air is prevented from being directly exhausted from the shell 1 through the first filter screen 5, and the baffle 6 is conveyed to the bottom surface of the oil-immersed transformer body 3 in an inclined state, promote the radiating effect to oil-immersed transformer body 3, guarantee oil-immersed transformer body 3's working property, finally, when needing to change second filter screen 907, take off stopper 903 from tapered block 905 through inclined slot hole 904, and then extract picture peg 902 from air supply box 901, can change second filter screen 907 on cross 908.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. An oil-immersed transformer with air cooling effect, includes shell (1), its characterized in that: two groups of symmetrical first filter screens (5) are embedded in the outer surface of the shell (1), an oil-immersed transformer body (3) is arranged inside the shell (1), two groups of symmetrical heat dissipation fins (4) are fixedly connected to the outer surface of the oil-immersed transformer body (3), and an air supply mechanism (9) is arranged above the shell (1);

the air supply mechanism (9) comprises an air supply box (901), the outer surface of the air supply box (901) is fixedly connected to the inner top wall of the shell (1), an inserting plate (902) is inserted into the upper surface of the air supply mechanism (9), a cross (908) is fixedly connected to the inside of the air supply box (901), a second filter screen (907) is arranged above the cross (908), air inlets (906) which are arranged at equal intervals are formed in the outer surface of the air supply box (901), the air inlets (906) are located outside the shell (1), a fan (909) is fixedly connected to the bottom surface of the cross (908), and air supply holes (910) which are arranged at equal intervals are formed in the inner bottom wall of the air supply box (901).

2. Oil filled transformer with air cooling effect according to claim 1, characterized by: the outer surface of the inserting plate (902) is fixedly connected with a limiting block (903), two groups of symmetrical inclined slotted holes (904) are formed in the limiting block (903), and the upper surface of the air supply box (901) is fixedly connected with a conical block (905) matched with the inclined slotted holes (904).

3. Oil filled transformer with air cooling effect according to claim 1, characterized by: the inside of shell (1) articulates there are two sets of symmetrical baffle (6), and baffle (6) and first filter screen (5) looks adaptation.

4. Oil filled transformer with air cooling effect according to claim 3, characterized by: the inner bottom wall of the shell (1) is fixedly connected with an electric push rod (14), the telescopic end of the electric push rod (14) is fixedly connected with a linkage block (13), and the outer surface of the linkage block (13) is fixedly connected with two sets of symmetrical pull wires (8).

5. Oil filled transformer with air cooling effect according to claim 4, characterized by: the inner bottom wall fixedly connected with of shell (1) two sets of symmetrical connecting rod (11), every the equal fixedly connected with guide ring (12) in top of connecting rod (11), every baffle (6) are close to the equal fixedly connected with connecting block (7) in bottom of oil immersed transformer body (3) a side, and draw wire (8) keep away from the one end of linkage block (13) and run through the inside of guide ring (12) and fixed connection in the surface of connecting block (7).

6. Oil filled transformer with air cooling effect according to claim 1, characterized by: the bottom surface of the shell (1) is fixedly connected with a bottom plate (2), and the outer surface of the shell (1) is provided with string holes.

7. Oil filled transformer with air cooling effect according to claim 1, characterized by: the bottom surface of the oil immersed transformer body (3) is fixedly connected with two groups of symmetrical supporting legs (10), and the bottom surfaces of the supporting legs (10) are fixedly connected to the inner bottom wall of the shell (1).