CN112768197A

CN112768197A - Pressure release process is with cooling device that has early warning function for oil-immersed transformer

Info

Publication number: CN112768197A
Application number: CN202011604504.6A
Authority: CN
Inventors: 朱正直
Original assignee: Hangzhou Yixin Technology Innovation Co Ltd
Current assignee: Hangzhou Yixin Technology Innovation Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-05-07

Abstract

The invention relates to the field of pressure release of transformers, in particular to a cooling device with an early warning function for a pressure release process of an oil-immersed transformer, which comprises a main body, an expansion mechanism, a heat dissipation mechanism, a pressure release mechanism, a butt joint mechanism and an early warning mechanism, wherein the main body is provided with a first heat sink; through the setting of expansion mechanism be convenient for follow the in service behavior self-adaptation fluid inflation or shrink of main part, release pressure when the inside of main part takes place unusually is convenient for take place through pressure relief mechanism's setting, avoid the main part to take place to warp or explode, can play radiating effect to pressure relief mechanism through heat dissipation mechanism's setting, make pressure relief mechanism remain throughout in suitable operating temperature scope, the life of the inside electronic parts of pressure relief mechanism has been prolonged, be convenient for connect heat dissipation mechanism's spare part through docking mechanism's setting, can play the warning effect when detecting all main part temperature anomalies with the effect of early warning mechanism, and easy to assemble's structural design has improved its result of use.

Description

Pressure release process is with cooling device that has early warning function for oil-immersed transformer

Technical Field

The invention relates to the field of pressure release of transformers, in particular to a cooling device with an early warning function for a pressure release process of an oil-immersed transformer.

Background

A transformer is a device that changes an alternating voltage 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 as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. Transformers can be divided into: distribution transformers, power transformers, fully enclosed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box-type transformer test transformers, corner transformers, high current transformers, excitation transformers, etc.

The transformer is in order to guarantee inside good operation, basically all be confined environment, the relief valve is all installed on general transformer top, the main effect of relief valve is exactly to let out the pressure of inside sharp increase when transformer inside takes place the serious fault, prevent transformer deformation or explosion, it can the conduction oil production bubble form high pressure to discharge, the general temperature of relief valve is higher when carrying out the pressure release, the inside electronic parts of relief valve can be damaged by high temperature in the past in this long time, however traditional transformer does not mostly provide the cooling measure for the pressure release parts alone, thereby the result of use of transformer has been reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a cooling device with an early warning function for a pressure release process of an oil-immersed transformer.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a pressure release process is with cooling device that has early warning function for oil-immersed transformer, includes main part, expansion mechanism, heat dissipation mechanism, pressure release mechanism, docking mechanism and early warning mechanism, it is right to be used for the main part plays the radiating effect expansion mechanism locates lateral wall all around of main part is used for carry out the pressure release after the main part is inside takes place the abnormal conditions pressure release mechanism locates the top of main part is used for to the work pressure release mechanism plays the initiative radiating effect heat dissipation mechanism locates the top of main part is used for conveniently connecting heat dissipation mechanism internals docking mechanism locates the top of main part is used for convenient quick installation early warning mechanism locates the top of main part, just early warning mechanism can dismantle connect in pressure release mechanism's the outside.

Specifically, expansion mechanism includes heating panel, spliced pole and circulation chamber, be fixed with the multiunit respectively around the main part the heating panel, every group the heating panel is equipped with a plurality ofly, is the slab form the one end fixed connection of heating panel in the main part, the inside of heating panel is equipped with the circulation chamber, the circulation chamber communicate in the inside of main part, every group the heating panel deviates from the one end top and the bottom turning of main part are fixed with one respectively the spliced pole.

Specifically, pressure release mechanism is including pressure release post, dwang, pressure release groove, traveller, gas release groove, first spring and stay cord, the top fixedly connected with of main part the pressure release post, the inside of pressure release post is equipped with the pressure release groove, the bottom of pressure release groove communicate in the inside of main part, the inside sliding connection who releases the groove has hollowly the traveller, the top fixedly connected with of traveller the first spring, the top fixed connection of first spring in on the inner wall of pressure release groove, the top of pressure release post rotates and is connected with the dwang, the bottom of dwang with fixedly connected with between the top of traveller the stay cord, the top of traveller is equipped with the gas release groove, the gas release groove is located inside the lateral wall of pressure release post.

Specifically, heat dissipation mechanism includes heat dissipation case, connecting plate, diffuser plate, driving motor, flabellum, dust guard and cooling ring, the outside of pressure release post has been cup jointed the cooling ring, one side of cooling ring is equipped with the heat dissipation case, the inside fixedly connected with of heat dissipation case is a plurality of alternant the connecting plate, just the mid-mounting of heat dissipation case has driving motor, driving motor's top fixedly connected with the flabellum, the top fixedly connected with of flabellum the dust guard, driving motor's the outside is equipped with a plurality ofly the diffuser plate, the one end fixed connection of diffuser plate in on the inside wall of heat dissipation case.

Specifically, the butt joint mechanism comprises a hose, a butt joint pipe, a sliding ring, a butt joint, a limiting ball, a second spring and a contact ring, the outer sides of the heat dissipation box and the cooling ring are respectively communicated with one butt joint pipe, the hose is arranged between the two butt joint pipes, and both ends of the hose are respectively and fixedly connected with one butt joint, one end of the butt joint is connected with the inside of the butt joint pipe in a sliding way, the outer side of the butt joint pipe is connected with the slip ring in a sliding way, a plurality of limiting balls are arranged inside the butt joint pipe, one side of the limiting ball is clamped in the butt joint, the other side of the limiting ball is abutted with the abutting ring, the abutting ring is connected in the side wall of the butt joint pipe in a sliding mode, the other end of the abutting ring is fixedly connected to the inner side of the sliding ring, one side of the abutting ring is fixedly connected with a plurality of first springs, and the other ends of the first springs are fixed on the inner wall of the butt joint.

Specifically, the early warning mechanism comprises a sleeve block, a rotating ring, a limiting block, a sliding chute, a sliding block, an operation block, a tension spring and a buzzer, the sleeve block is sleeved outside the pressure relief column and is positioned at the top end of the cooling ring, the rotating ring is rotated in the sleeve block, a plurality of sliding grooves are arranged in the rotating ring, the sliding block slides in the sliding groove, the bottom end of the sliding block is fixedly connected with the limiting block, the bottom ends of the limiting blocks are connected with the sleeve block in a sliding way, one ends of the limiting blocks are abutted against the side wall of the pressure relief column, the outer side of the rotating ring is fixedly connected with the operating block, the top end of the operating block extends to the outer side of the top end of the sleeve block, the bottom end one side of operation piece is fixed with the extension spring, the one end fixed connection of extension spring in on the inner wall of nested piece, install in the outside of nested piece bee calling organ.

The invention has the beneficial effects that:

(1) the invention relates to a temperature reduction device with early warning function for pressure release process of an oil-immersed transformer, wherein an expansion mechanism is arranged at the periphery of a main body, the expansion mechanism is further convenient to adapt to the expansion or contraction of oil liquid along with the use condition of the main body in a self-adaptive manner, the applicability of the main body is enhanced, a pressure relief mechanism is arranged at the top end of the main body, the pressure is further conveniently released when the inside of the main body is abnormal through the arrangement of the pressure relief mechanism, the deformation or explosion of the main body is avoided, and the use safety of the main body is improved, namely, a plurality of heat dissipation plates for heat dissipation are respectively and fixedly connected at the periphery of the main body, a circulation cavity is arranged inside each heat dissipation plate, and the circulation cavity is communicated with the inside of the main body, so that the heat conduction insulating oil storage amount inside the main body is increased, and when the pressure relief mechanism is too, and then be convenient for follow the service condition self-adaptation fluid inflation or shrink of main part, the suitability of main part has been strengthened, promptly because the inside pressure release groove of pressure release post communicates in the inside of main part, the inside traveller sliding connection of pressure release groove in pressure release post, when the internal pressure of main part increases, then promote the traveller, cause hollow traveller and air release groove to be linked together, thereby accomplish the effect of release pressure, when needs manual release pressure, then rotate the pressure release post on pressure release post top, utilize the stay cord to cause the traveller to slide to the position of pressure release, and then be convenient for take place initiative release pressure when unusual in the inside of main part, avoid the main part to take place to warp or explode, the safety in utilization of main part has been improved.

(2) The invention relates to a temperature reduction device with early warning function for pressure release process of an oil-immersed transformer, a heat dissipation mechanism is arranged at the top end of a main body, the heat dissipation mechanism can play a role of dissipating heat to the pressure dissipation mechanism through the arrangement of the heat dissipation mechanism, so that the pressure dissipation mechanism is always kept in a proper working temperature range, the service life of electronic components inside the pressure dissipation mechanism is prolonged, a butting mechanism is arranged at the top end of the main body, the connection of parts of the heat dissipation mechanism is facilitated through the arrangement of the butting mechanism, and the butting efficiency is improved through the structure facilitating butting, namely, as a plurality of connecting plates which are alternately connected are arranged inside a heat dissipation box, the liquid is facilitated to form a loop, the contact area of the liquid and the heat dissipation box is increased, the purpose of rapidly dissipating heat is achieved, a driving motor arranged inside the heat dissipation box utilizes fan blades to rapidly cool a plurality of diffusion plates, thereby playing, the arrangement of the dustproof plate prevents dust from attaching to the side wall of the diffusion plate, the using effect of the diffusion plate is ensured, the cooling ring is sleeved outside the pressure relief column, the pressure relief mechanism can be cooled through the heat exchange effect of the butting mechanism, so that the pressure relief mechanism is always kept in a proper working temperature range, the service life of electronic parts inside the pressure relief mechanism is prolonged, namely when the butting head needs to be butted to the inside of the butting pipe, the sliding ring on the outer side of the butting pipe is firstly pressed, the sliding ring after sliding is not butted with the limiting ball, then the butting head is inserted into the butting pipe, the sliding ring is not operated, the second spring causes the butting ring to be butted with the side wall of the limiting ball again, so that the limiting ball is clamped on the side wall of the butting head, the heat exchange effect by using a hose is completed, and further the parts inside the heat dissipation mechanism are conveniently connected, and the butt joint efficiency is improved by the structure convenient for butt joint.

(3) The invention relates to a temperature reduction device with early warning function for pressure release process of an oil-immersed transformer, wherein an early warning mechanism is arranged at the top end of a main body, the early warning mechanism is detachably connected to the outer side of the pressure release mechanism, and can play a warning role when the temperature of the main body is detected to be abnormal under the action of the early warning mechanism, and the use effect of the temperature reduction device is improved by the structural design which is convenient to install, namely, as a swivel is rotatably connected to the inner part of a sleeve block, a limit block which is against to a pressure release column is slidably connected to the inner part of the sleeve block, when a lantern ring is sleeved on the side wall of the pressure release column, an operating block is firstly slid to one end, a plurality of sliding grooves in the swivel slide block slide a plurality of limit blocks by utilizing a sliding block, then the sleeve block is placed on the outer side of the pressure release column, and a tension spring causes the plurality of limit blocks to reset again without pressing, make the nest block be fixed in the outside of pressure release post, and then can all play the warning effect when the main part temperature is unusual in the detection, and easy to assemble's structural design has improved its result of use.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an overall structure of a preferred embodiment of a temperature reduction device with an early warning function for a pressure release process of an oil-immersed transformer according to the present invention;

FIG. 2 is a schematic structural diagram of the heat dissipation mechanism shown in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the pressure relief mechanism and the early warning mechanism shown in FIG. 1;

FIG. 4 is a schematic structural view of the pressure relief mechanism shown in FIG. 1;

FIG. 5 is a schematic structural view of the expansion mechanism shown in FIG. 1;

FIG. 6 is an enlarged view of portion A of FIG. 1;

FIG. 7 is an enlarged view of the portion B shown in FIG. 1;

FIG. 8 is an enlarged view of section C of FIG. 2;

FIG. 9 is an enlarged view of the portion D shown in FIG. 2;

in the figure: 1. the device comprises a main body, 2, an expansion mechanism, 21, a heat dissipation plate, 22, a connecting column, 23, a circulation cavity, 3, a heat dissipation mechanism, 31, a heat dissipation box, 32, a connecting plate, 33, a diffusion plate, 34, a driving motor, 35, fan blades, 36, a dust-proof plate, 37, a cooling ring, 4, a pressure relief mechanism, 41, a pressure relief column, 42, a rotating rod, 43, a pressure relief groove, 44, a sliding column, 45, a gas relief groove, 46, a first spring, 47, a pull rope, 5, a butt joint mechanism, 51, a hose, 52, a butt joint pipe, 53, a sliding ring, 54, a butt joint, 55, a limiting ball, 56, a second spring, 57, a butt joint ring, 6, an early warning mechanism, 61, a sleeve block, 62, a rotating ring, 63, a limiting block, 64, a sliding groove, 65, a sliding block, 66, an operation block, 67.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-9, the temperature reduction device with an early warning function for the pressure release process of an oil-immersed transformer according to the present invention includes a main body 1, an expansion mechanism 2, a heat dissipation mechanism 3, a pressure relief mechanism 4, a docking mechanism 5 and an early warning mechanism 6, wherein the expansion mechanism 2 for dissipating heat from the main body 1 is disposed on a peripheral sidewall of the main body 1, the pressure relief mechanism 4 for dissipating pressure after an abnormal condition occurs inside the main body 1 is disposed at a top end of the main body 1, the heat dissipation mechanism 3 for actively dissipating heat from the pressure relief mechanism 4 during operation is disposed at a top end of the main body 1, the docking mechanism 5 for conveniently connecting internal components of the heat dissipation mechanism 3 is disposed at a top end of the main body 1, and the early warning mechanism 6 for conveniently and quickly installing is disposed at a top end of the main body 1, and the early warning mechanism 6 is detachably connected to the outer side of the pressure relief mechanism 4.

Specifically, the expansion mechanism 2 includes a plurality of heat dissipation plates 21, a connection column 22 and a circulation cavity 23, a plurality of sets of heat dissipation plates 21 are respectively fixed around the main body 1, each set of heat dissipation plates 21 is provided with a plurality of heat dissipation plates 21, one end of each heat dissipation plate 21 in a plate shape is fixedly connected to the main body 1, the circulation cavity 23 is arranged inside the heat dissipation plate 21, the circulation cavity 23 is communicated with the inside of the main body 1, one connection column 22 is respectively fixed at the top and bottom corners of one end of each heat dissipation plate 21 departing from the main body 1, because the outer sides around the main body 1 are respectively and fixedly connected with the plurality of heat dissipation plates 21 for heat dissipation, the circulation cavity 23 is arranged inside the heat dissipation plate 21, the circulation cavity 23 is communicated with the inside of the main body 1, thereby increasing the storage amount of heat-conducting and insulating oil in the main body 1, and when the pressure relief mechanism 4 is not, the heat dissipation plate 21 with the expansion function can share a part of expansion amount, so that the self-adaptive oil expansion or contraction along with the use condition of the main body 1 is facilitated, and the applicability of the main body 1 is enhanced.

Specifically, the pressure relief mechanism 4 includes a pressure relief column 41, a rotating rod 42, a pressure relief groove 43, a sliding column 44, an air relief groove 45, a first spring 46 and a pull rope 47, the top end of the main body 1 is fixedly connected with the pressure relief column 41, the inside of the pressure relief column 41 is provided with the pressure relief groove 43, the bottom end of the pressure relief groove 43 is communicated with the inside of the main body 1, the inside of the pressure relief groove 43 is slidably connected with the hollow sliding column 44, the top end of the sliding column 44 is fixedly connected with the first spring 46, the top end of the first spring 46 is fixedly connected with the inner wall of the pressure relief groove 43, the top end of the pressure relief column 41 is rotatably connected with the rotating rod 42, the bottom end of the rotating rod 42 and the top end of the sliding column 44 are fixedly connected with the pull rope 47, the top end of the sliding column 44 is provided with the air relief groove 45, the air relief groove 45 is arranged inside the side wall of the pressure relief column 41, because the inside pressure release groove 43 of pressure release post 41 communicate in the inside of main part 1, the inside traveller 44 sliding connection of pressure release groove 43 in pressure release post 41, when the internal pressure of main part 1 increases, then promote traveller 44, cause hollow traveller 44 with the air release groove 45 is linked together to accomplish the effect of release pressure, when needs manual release pressure, then rotate the pressure release post 41 at pressure release post 41 top, utilize stay cord 47 causes traveller 44 slides to the position of pressure release, and then be convenient for initiatively release pressure when the inside of main part 1 takes place unusually, avoid main part 1 takes place to warp or explode, improved the safety in utilization of main part 1.

Specifically, the heat dissipation mechanism 3 includes a heat dissipation box 31, a connection plate 32, a diffusion plate 33, a driving motor 34, fan blades 35, a dust guard 36 and a cooling ring 37, the cooling ring 37 is sleeved on the outer side of the pressure relief column 41, one side of the cooling ring 37 is provided with the heat dissipation box 31, the heat dissipation box 31 is fixedly connected with a plurality of alternate connection plates 32, the middle of the heat dissipation box 31 is provided with the driving motor 34, the top end of the driving motor 34 is fixedly connected with the fan blades 35, the top end of the fan blades 35 is fixedly connected with the dust guard 36, the outer side of the driving motor 34 is provided with a plurality of diffusion plates 33, one end of each diffusion plate 33 is fixedly connected to the inner side wall of the heat dissipation box 31, because the heat dissipation box 31 is internally provided with a plurality of alternate connection plates 32, thereby facilitating the liquid to form a loop, and increase liquid with the area of contact of heat dissipation case 31 plays quick radiating purpose, the inside of heat dissipation case 31 is equipped with driving motor 34 utilizes flabellum 35 is to a plurality of diffuser plate 33 cools down rapidly, thereby plays to the radiating effect of heat dissipation case 31, dust guard 37's setting has been avoided the dust to adhere to diffuser plate 33's lateral wall, has guaranteed diffuser plate 33's result of use, cooling ring 37 cup joints the outside of pressure release post 41, through docking mechanism 5's heat exchange effect, and then can be right pressure relief mechanism 4 plays radiating effect, makes pressure relief mechanism 4 remains throughout in suitable operating temperature scope, has prolonged the life of the inside electronic parts of pressure relief mechanism 4.

Specifically, the docking mechanism 5 includes a flexible tube 51, a docking tube 52, a sliding ring 53, a docking head 54, a limiting ball 55, a second spring 56 and a contact ring 57, the outer sides of the heat dissipation box 31 and the cooling ring 37 are respectively communicated with one docking tube 52, the flexible tube 51 is disposed between the two docking tubes 52, two ends of the flexible tube 51 are respectively and fixedly connected with one docking head 54, one end of the docking head 54 is slidably connected to the inside of the docking tube 52, the outer side of the docking tube 52 is slidably connected with the sliding ring 53, the inside of the docking tube 52 is provided with a plurality of limiting balls 55, one side of each limiting ball 55 is clamped to the docking head 54, the other side of each limiting ball 55 is abutted with the contact ring 57, the contact ring 57 is slidably connected to the inside of the side wall of the docking tube 52, the other end of each limiting ball is fixedly connected to the inside of the sliding ring 53, one side of the contact ring 57 is fixedly connected with a plurality of the first springs 46, the other end of the first spring 46 is fixed on the inner wall of the butt joint 54, and when the butt joint 54 needs to be butted inside the butt joint pipe 52, the sliding ring 53 on the outer side of the butt joint pipe 52 is firstly pressed, so that the sliding contact ring 57 does not abut against the limiting ball 55, then the butt joint 54 is inserted into the butt joint pipe 52, and the sliding ring 53 is not operated, so that the second spring 56 causes the contact ring 57 to abut against the side wall of the limiting ball 55 again, so that the limiting ball 55 is clamped on the side wall of the butt joint 54, thereby completing the function of exchanging heat by using the hose 51, facilitating the connection of the parts inside the heat dissipation mechanism 3, and improving the butting efficiency by the structure facilitating the butting.

Specifically, the early warning mechanism 6 includes a sleeve block 61, a rotating ring 62, a limiting block 63, a sliding groove 64, a sliding block 65, an operation block 66, a tension spring 67 and a buzzer 68, the sleeve block 61 is sleeved on the outer side of the pressure release column 41, the sleeve block 61 is located on the top end of the temperature reduction ring 37, the rotating ring 62 is rotated inside the sleeve block 61, the sliding groove 64 is arranged inside the rotating ring 62, the sliding block 65 is slid inside the sliding groove 64, the limiting block 63 is fixedly connected to the bottom end of the sliding block 65, the bottom end of the limiting block 63 is slidably connected to the sleeve block 61, one end of the limiting block 63 abuts against the side wall of the pressure release column 41, the operation block 66 is fixedly connected to the outer side of the top end of the operation block 66, the tension spring 67 is fixed on one side of the bottom end of the operation block 66, one end of the tension spring 67 is fixedly connected to the inner wall of the sleeve block 61, the buzzer 68 is installed on the outer side of the sleeve block 61, since the rotating ring 62 is rotatably connected to the inner portion of the sleeve block 61, and the limiting blocks 63 abutting against the pressure release column 41 are slidably connected to the inner portion of the sleeve block 61, when the sleeve ring 61 is sleeved on the side wall of the pressure release column 41, the operating block 66 is firstly slid to one end, then the sliding grooves 64 in the rotating ring 62 slide the limiting blocks 63 by using the sliding blocks 65, then the sleeve block 61 is placed on the outer side of the pressure release column 41, and the tension spring 67 causes the limiting blocks 63 to be reset without pressing the operating block 66, so that the opposite ends of the limiting blocks 63 abut against the side wall of the pressure release column 41, and the sleeve block 61 is fixed on the outer side of the pressure release column 41, and then can detect all play the warning effect when main part 1 temperature is unusual, and easy to assemble's structural design has improved its result of use.

When the self-adaptive oil liquid pressure relief device is used, the outer sides of the periphery of the main body 1 are fixedly connected with the plurality of heat dissipation plates 21 for heat dissipation respectively, the circulation cavity 23 is formed in the heat dissipation plates 21, the circulation cavity 23 is communicated with the interior of the main body 1, so that the storage amount of heat conduction and insulation oil in the main body 1 is increased, and the heat dissipation plates 21 with the expansion function can share part of expansion amount when the pressure relief mechanism 4 is not in time to release pressure, so that the self-adaptive oil liquid expansion or contraction can be conveniently carried out along with the use condition of the main body 1, and the applicability of the main body 1 is enhanced; because the pressure relief groove 43 inside the pressure relief column 41 is communicated with the inside of the main body 1, the sliding column 44 inside the pressure relief groove 43 is connected to the pressure relief column 41 in a sliding manner, when the internal pressure of the main body 1 is increased, the sliding column 44 is pushed, so that the hollow sliding column 44 is communicated with the air relief groove 45, and the effect of releasing the pressure is achieved; because the inside of the heat dissipation box 31 is provided with the plurality of connecting plates 32 which are alternately connected, the liquid can conveniently form a loop, the contact area between the liquid and the heat dissipation box 31 is increased, and the purpose of rapid heat dissipation is achieved, the driving motor 34 arranged inside the heat dissipation box 31 utilizes the fan blades 35 to rapidly cool the plurality of diffusion plates 33, so that the heat dissipation effect on the heat dissipation box 31 is achieved, the dust-proof plate 37 is arranged to prevent dust from attaching to the side walls of the diffusion plates 33, the use effect of the diffusion plates 33 is ensured, the cooling ring 37 is sleeved outside the pressure relief column 41, and the heat exchange effect of the abutting mechanism 5 is achieved, so that the heat dissipation effect on the pressure relief mechanism 4 can be achieved, the pressure relief mechanism 4 is always kept in a proper working temperature range, and the service life of electronic components inside the pressure relief mechanism; when the butt joint 54 needs to be butted inside the butt joint pipe 52, the sliding ring 53 on the outer side of the butt joint pipe 52 is firstly pressed, so that the sliding abutting ring 57 does not abut against the limiting ball 55, then the butt joint 54 is inserted into the butt joint pipe 52, and the sliding ring 53 is not operated, so that the second spring 56 causes the abutting ring 57 to abut against the side wall of the limiting ball 55 again, so that the limiting ball 55 is clamped on the side wall of the butt joint 54, thereby completing the function of exchanging heat by using the hose 51, further facilitating the connection of parts inside the heat dissipation mechanism 3, and improving the butting efficiency by the structure convenient for butting; because swivel 62 rotates and connects in the inside of cover block 61, the stopper 63 sliding connection of conflict pressure release post 41 is in the inside of cover block 61, cup joint lantern ring 61 on the lateral wall of pressure release post 41, at first slide operation block 66 to one end, then a plurality of spouts 64 of swivel 62 inside utilize slider 65 to slide a plurality of stoppers 63, place the outside of pressure release post 41 with cover block 61 after that, not pressing operation block 66, then extension spring 67 causes a plurality of stoppers 63 to reset again, make the relative one end of a plurality of stoppers 63 conflict on the lateral wall of pressure release post 41, make cover block 61 be fixed in the outside of pressure release post 41, and then can play the warning effect when detecting all main part 1 temperature anomaly, and easy to assemble's structural design has improved its result of use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pressure release process is with cooling device that has early warning function for oil-immersed transformer which characterized in that: comprises a main body (1), an expansion mechanism (2), a heat dissipation mechanism (3), a pressure relief mechanism (4), a butt joint mechanism (5) and an early warning mechanism (6), the expansion mechanism (2) used for dissipating heat of the main body (1) is arranged on the peripheral side wall of the main body (1), the pressure relief mechanism (4) for relieving pressure after the abnormal condition occurs in the main body (1) is arranged at the top end of the main body (1), the heat dissipation mechanism (3) used for actively dissipating heat of the pressure relief mechanism (4) in work is arranged at the top end of the main body (1), the butt joint mechanism (5) for conveniently connecting the internal components of the heat dissipation mechanism (3) is arranged at the top end of the main body (1), the early warning mechanism (6) for convenient and quick installation is arranged at the top end of the main body (1), and the early warning mechanism (6) is detachably connected to the outer side of the pressure relief mechanism (4).

2. The oil-filled transformer cooling device with the early warning function for the pressure release process according to claim 1, wherein: expansion machanism (2) are including heating panel (21), spliced pole (22) and circulation chamber (23), be fixed with the multiunit respectively around main part (1) heating panel (21), every group heating panel (21) are equipped with a plurality ofly, are the slab form the one end fixed connection of heating panel (21) in main part (1), the inside of heating panel (21) is equipped with circulation chamber (23), circulation chamber (23) communicate in the inside of main part (1), every group heating panel (21) deviate from the one end top and the bottom corner of main part (1) are fixed with one respectively spliced pole (22).

3. The oil-filled transformer cooling device with the early warning function for the pressure release process according to claim 1, wherein: the pressure relief mechanism (4) comprises a pressure relief column (41), a rotating rod (42), a pressure relief groove (43), a sliding column (44), an air relief groove (45), a first spring (46) and a pull rope (47), the top end of the main body (1) is fixedly connected with the pressure relief column (41), the inside of the pressure relief column (41) is provided with the pressure relief groove (43), the bottom end of the pressure relief groove (43) is communicated with the inside of the main body (1), the inside of the pressure relief groove (43) is slidably connected with the hollow sliding column (44), the top end of the sliding column (44) is fixedly connected with the first spring (46), the top end of the first spring (46) is fixedly connected on the inner wall of the pressure relief groove (43), the top end of the pressure relief column (41) is rotatably connected with the rotating rod (42), the bottom end of the rotating rod (42) and the top end of the sliding column (44) are fixedly connected with the pull rope (47), the top end of the sliding column (44) is provided with the air release groove (45), and the air release groove (45) is arranged inside the side wall of the pressure release column (41).

4. The oil-filled transformer cooling device with the early warning function for the pressure release process according to claim 3, wherein: the heat dissipation mechanism (3) comprises a heat dissipation box (31), a connecting plate (32), a diffusion plate (33), a driving motor (34), fan blades (35), a dust guard (36) and a cooling ring (37), the outer side of the pressure relief column (41) is sleeved with the cooling ring (37), one side of the cooling ring (37) is provided with the heat dissipation box (31), the interior of the heat dissipation box (31) is fixedly connected with a plurality of alternate connecting plates (32), the middle part of the heat dissipation box (31) is provided with the driving motor (34), the top end of the driving motor (34) is fixedly connected with the fan blade (35), the top ends of the fan blades (35) are fixedly connected with the dust guard (36), the outer side of the driving motor (34) is provided with a plurality of diffusion plates (33), one end of the diffusion plate (33) is fixedly connected to the inner side wall of the heat dissipation box (31).

5. The oil-filled transformer cooling device with the early warning function for the pressure release process according to claim 4, wherein: the butt joint mechanism (5) comprises a hose (51), butt joint pipes (52), a sliding ring (53), butt joint heads (54), a limiting ball (55), a second spring (56) and a butt joint ring (57), the outer sides of the heat dissipation box (31) and the cooling ring (37) are respectively communicated with one butt joint pipe (52), the hose (51) is arranged between the two butt joint pipes (52), two ends of the hose (51) are respectively and fixedly connected with one butt joint head (54), one end of each butt joint head (54) is connected to the inside of the corresponding butt joint pipe (52) in a sliding mode, the sliding ring (53) is connected to the outer side of each butt joint pipe (52) in a sliding mode, a plurality of limiting balls (55) are arranged inside the butt joint pipes (52), one side of each limiting ball (55) is clamped to the corresponding butt joint head (54), and the other side of each limiting ball (55) is abutted against the corresponding contact ring (, the abutting ring (57) is connected to the inside of the side wall of the butt joint pipe (52) in a sliding mode, the other end of the abutting ring is fixedly connected to the inner side of the sliding ring (53), a plurality of first springs (46) are fixedly connected to one side of the abutting ring (57), and the other end of each first spring (46) is fixed to the inner wall of the butt joint (54).

6. The oil-filled transformer cooling device with the early warning function for the pressure release process according to claim 4, wherein: the early warning mechanism (6) comprises a sleeve block (61), a rotating ring (62), a limiting block (63), a sliding groove (64), a sliding block (65), an operation block (66), a tension spring (67) and a buzzer (68), the sleeve block (61) is sleeved on the outer side of the pressure relief column (41), the sleeve block (61) is located at the top end of the temperature reduction ring (37), the rotating ring (62) is rotated inside the sleeve block (61), the sliding grooves (64) are arranged inside the rotating ring (62), the sliding block (65) slides inside the sliding grooves (64), the limiting block (63) is fixedly connected to the bottom end of the sliding block (65), the bottom end of the limiting block (63) is slidably connected to the sleeve block (61), one end of the limiting blocks (63) is abutted to the side wall of the pressure relief column (41), the operation block (66) is fixedly connected to the outer side of the rotating ring (62), the top of operation piece (66) extends to the top outside of nesting piece (61), the bottom one side of operation piece (66) is fixed with extension spring (67), the one end fixed connection of extension spring (67) in on the inner wall of nesting piece (61), install in the outside of nesting piece (61) bee calling organ (68).