CN113823479A

CN113823479A - Protective device for transformer

Info

Publication number: CN113823479A
Application number: CN202111008818.4A
Authority: CN
Inventors: 杨齐全
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2021-12-21

Abstract

The invention discloses a protection device for a transformer, which comprises a protection box, wherein a shielding mechanism is arranged on the protection box, two side plates are fixedly arranged in the protection box, a plurality of pressure reducing mechanisms are respectively arranged between the two side plates and the protection box, a plurality of placing plates are fixedly arranged between the two side plates, each placing plate is provided with a positioning mechanism, two heat insulation sponge plates are arranged on the protection box through two sliding mechanisms, a plurality of vent holes matched with the heat insulation sponge plates are formed in the protection box, and two memory alloy rods are fixedly arranged on the protection box through heat absorbing plates. Has the advantages that: can protect multiple, polymorphic type's transformer in real time to have better shock attenuation and decompression effect, and the humiture in the adjustment protective housing that can be nimble, thereby make the transformer can work in stable environment all the time, the protecting effect is better.

Description

Protective device for transformer

Technical Field

The invention relates to the technical field of high-voltage transformers, in particular to a protection device for a transformer.

Background

The transformer is the device that utilizes electromagnetic induction's principle to change alternating voltage, and the outside of current transformer can be provided with protector usually to this protects the transformer, prevents with this that the transformer can not receive external factor's influence, work that can be safe and stable:

the prior protective device still has the following defects when in use:

1. the existing device has simple structure and small volume, can not protect a plurality of transformers of different types at the same time, and has narrow application range and large limitation;

2. the existing device is not provided with a damping and pressure reducing device, so that the vibration received by the protective device cannot be offset with the vibration generated when the transformer works, larger vibration is easily generated in the protective box, and the stable operation of the transformer is not facilitated;

3. the temperature and humidity adjusting device is not arranged in the existing device, and the temperature and humidity inside the device cannot be flexibly adjusted, so that the transformer is easily damaged due to factors such as overheating, dampness and supercooling when in work.

Therefore, it is desirable to design a protection device for a transformer to solve the above problems.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a protection device for a transformer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a protector for transformer, includes the protecting box, install on the protecting box and shelter from the mechanism, fixed mounting has two curb plates, two in the protecting box all install a plurality of decompression mechanisms between curb plate and the protecting box, two fixed mounting has a plurality of boards of placing between the curb plate, and every places and all installs positioning mechanism on the board, install two thermal-insulated sponge boards through two slide mechanism on the protecting box, set up a plurality of ventilation holes with thermal-insulated sponge board complex in the protecting box, there are two memory alloy poles through absorber plate fixed mounting on the protecting box, and equal fixed mounting has the connecting rod between two memory alloy poles and two corresponding absorber plates, install wind guide mechanism in the protecting box, slidable mounting has the sliding door on the protecting box.

In foretell protector for transformer, shelter from the mechanism and include the bottom plate of fixed mounting in the protective housing bottom, there is the canopy of sheltering from through two spliced pole fixed mounting on the protective housing, and shelter from on the canopy fixed mounting have two baffles, two equal fixed mounting has a plurality of guide pipes on the baffle.

In foretell protector for transformer, the pressure reducing mechanism includes two shock attenuation posts of fixed mounting on curb plate and protective housing, two equal fixed mounting has the division board in the shock attenuation post, and all packs between two division boards and the corresponding shock attenuation post and have hydraulic oil, two common slidable mounting has the shock attenuation pole between the division board, and the equal fixed mounting in both ends of shock attenuation pole have to bulldoze the board, two fixed mounting has two extrusion springs, two between the shock attenuation post all install conduction structure in the shock attenuation post.

In foretell protector for transformer, conduction structure includes one-way catheter, the one-way back flow of fixed mounting on the division board, there is the movable plate through the cooperation slidable mounting of stopper and spacing groove in the shock attenuation post, and fixed mounting has two reset spring between the inner wall of movable plate and shock attenuation post, it is filled with hydraulic oil to fill between movable plate and the division board.

In the above protection device for a transformer, the positioning mechanism includes two compression springs fixedly mounted on the placing plate, two of the compression springs are both fixedly mounted with a positioning plate, and two of the positioning plates are both fixedly mounted with a pull handle.

In the above-mentioned protector for transformer, slide mechanism includes the trapezoidal slider of fixed mounting on thermal-insulated sponge board, trapezoidal spout has been seted up on the protective housing, and trapezoidal slider block installs in trapezoidal spout, set up the shifting chute with connecting rod matched with on the protective housing, and fixed mounting has two elastic sealing pad on the inner wall of shifting chute, and two elastic sealing pad are laminated mutually.

In the above protection device for the transformer, the air guide mechanism includes a servo motor and an air box which are fixedly installed in the protection box, the servo motor is located in the air box, a plurality of fan blades are installed between the driving end of the servo motor and the air box through rotating rods in a rotating mode, an air guide pipe is fixedly installed between the air box and a plurality of placing plates, a plurality of blowing pipes are fixedly installed on the air guide pipe, and a detection structure is installed in the protection box.

In foretell protector for transformer, detect the structure and include the temperature and humidity sensor of fixed mounting in the guard box, fixed mounting has the electric heat net in the air duct, and is connected for the electricity between electric heat net, servo motor and the temperature and humidity sensor.

Compared with the prior art, the invention has the advantages that:

1: place the board through setting up, the number of placing the board sets up to a plurality ofly, can place multiple, polymorphic transformer, and places the completion back when the transformer, and the pulling locating plate makes it press the location to it under compression spring's effect, can protect multiple transformer simultaneously.

2: through setting up and sheltering from the mechanism, shelter from the canopy that shelters from in the mechanism and be located the upper portion of protective housing, can protect the protective housing and make it not receive the erosion of rainwater and sunshine, and when the rainwater falls to sheltering from on the canopy, can discharge through the leading rain pipe on the baffle under the effect of gravity promptly, make the rainwater can not shelter from on the canopy and pile up on the baffle.

3: through setting up the mechanism of decompressing, when protective housing or transformer work produced vibrations, vibrations can conduct in the shock attenuation post in the mechanism of decompressing to can make hydraulic oil flow in the shock attenuation post, utilize the great characteristics of flow resistance of hydraulic oil can weaken vibrations promptly and offset, make vibrations can not influence the normal work of transformer.

4: through setting up the absorber plate and thermal-insulated sponge board, thermal-insulated sponge board pastes with the outer wall of protective housing mutually, can play thermal-insulated heat retaining effect, when the temperature in the protective housing risees, the absorber plate can absorb the heat and conduct memory alloy pole department promptly, the memory alloy pole is heated and can contract promptly and rise, thereby it rises to move thermal-insulated sponge board under the effect of connecting rod, thermal-insulated sponge board rises and can relieve sheltering from of a plurality of ventilation holes on the protective housing promptly, the protective housing can carry out natural ventilation heat dissipation through a plurality of ventilation holes this moment.

5: through setting up servo motor and guide duct, when the high temperature in the protective housing, servo motor can start and drive a plurality of fan blades and rotate and produce wind-force promptly, and wind-force can be conducted to a plurality of blowpipes department through the guide duct, can carry out quick heat dissipation of blowing to a plurality of transformers promptly, makes its rapid cooling.

6: through setting up the detection structure, the humiture sensor in the detection structure can carry out real-time detection to the humiture in the protective housing to can conduct the testing result to servo motor and electric heat net and control its start-up, so that carry out real-time adjustment to the humiture in the protective housing.

In conclusion, the invention can protect various transformers in real time, has better shock absorption and pressure reduction effects, and can flexibly adjust the temperature and the humidity in the protective box, so that the transformer can work in a stable environment all the time, and the protection effect is better.

Drawings

Embodiments of the invention are described in further detail below with reference to the attached drawing figures, wherein:

fig. 1 is a schematic structural diagram of a protection device for a transformer according to the present invention;

FIG. 2 is an enlarged view of the connection structure of the protective case and its internal parts in FIG. 1;

FIG. 3 is an enlarged view of the absorber plate, the heat insulating sponge plate and the connection structure therebetween shown in FIG. 2;

FIG. 4 is an enlarged view of the connection structure between the two side plates in FIG. 2;

FIG. 5 is an enlarged view of a structure for connecting a plurality of placing plates to an upper portion thereof in FIG. 4;

FIG. 6 is a sectional view of the shock-absorbing post of FIG. 4 with its internal part coupled thereto;

fig. 7 is an enlarged view of a node at a portion a in fig. 6.

In the figure: the device comprises a base plate 1, a protective box 2, a shielding shed 3, a baffle 4, a sliding door 5, a side plate 6, a placing plate 7, a servo motor 8, a return spring 9, a heat insulation sponge plate 10, fan blades 11, a positioning plate 12, a compression spring 13, a heat absorption plate 14, a vent hole 15, a damping column 16, a memory alloy rod 17, a connecting rod 18, an air guide pipe 19, an air blowing pipe 20, a damping rod 21, an extrusion spring 22, hydraulic oil 23, a pushing plate 24, a separating plate 25, a one-way liquid guide pipe 26, a one-way return pipe 27 and a moving plate 28.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 4, the protection device for the transformer comprises a protection box 2, wherein a shielding mechanism is installed on the protection box 2, two side plates 6 are fixedly installed in the protection box 2, a plurality of placing plates 7 are fixedly installed between the two side plates 6, and a positioning mechanism is installed on each placing plate 7;

the above is noteworthy for the following two points:

1. the shielding mechanism comprises a bottom plate 1 fixedly arranged at the bottom of a protective box 2, a shielding shed 3 is fixedly arranged on the protective box 2 through two connecting columns, two baffles 4 are fixedly arranged on the shielding shed 3, and a plurality of rain guide pipes are fixedly arranged on the two baffles 4;

shelter from canopy 3 and be located the upper portion of protective housing 2, can protect protective housing 2 and make it not receive the erosion of rainwater and sunshine, and when the rainwater falls to sheltering from canopy 3 on, can discharge through leading the rain pipe on baffle 4 under the effect of gravity promptly, make the rainwater can not shelter from on canopy 3 and pile up on baffle 4.

2. The positioning mechanism comprises two compression springs 13 fixedly arranged on the placing plate 7, positioning plates 12 are fixedly arranged on the two compression springs 13, and pull handles are fixedly arranged on the two positioning plates 12;

the number of placing board 7 sets up to a plurality ofly, can place multiple, the transformer of polymorphic type, when carrying out placing of transformer, can stimulate earlier and draw driving locating plate 12 to shift up, place the transformer again at locating plate 12 and place between board 7, then at unclamping locating plate 12, locating plate 12 can press the location to the transformer under compression spring 13's effect this moment, can protect multiple transformer simultaneously.

Referring to fig. 4 and 6-7, a plurality of pressure reducing mechanisms are mounted between the two side plates 6 and the protective box 2;

the above is noteworthy:

1. the pressure reducing mechanism comprises two damping columns 16 fixedly mounted on the side plate 6 and the protective box 2, partition plates 25 are fixedly mounted in the two damping columns 16, hydraulic oil 23 is filled between the two partition plates 25 and the corresponding damping columns 16, a damping rod 21 is mounted between the two partition plates 25 in a sliding mode, pushing plates 24 are fixedly mounted at two ends of the damping rod 21, two extrusion springs 22 are fixedly mounted between the two damping columns 16, and a conducting structure is mounted in each damping column 16;

the conducting structure comprises a one-way liquid guide tube 26 and a one-way return tube 27 which are fixedly arranged on a partition plate 25, a moving plate 28 is slidably arranged in the shock absorption column 16 through the matching of a limiting block and a limiting groove, two return springs 9 are fixedly arranged between the moving plate 28 and the inner wall of the shock absorption column 16, and hydraulic oil 23 is fully filled between the moving plate 28 and the partition plate 25;

when the protective box 2 or the transformer works to generate vibration, the vibration is transmitted into the damping column 16, the damping column 16 drives the damping rod 21 and the pushing plate 24 to move when the vibration is received, the pushing plate 24 pushes the hydraulic oil 23 between the partition plate 25 and the damping column 16 (hereinafter referred to as a first storage room) to move when the pushing plate 24 moves, and the hydraulic oil 23 enters between the partition plate 25 and the moving plate 28 (hereinafter referred to as a second storage room) through the one-way liquid guide tube 26, when the hydraulic oil 23 enters the second storage room, because the hydraulic oil 23 in the second storage room is originally in a full-filling state, the hydraulic oil 23 entering the second storage room pushes the moving plate 28 to move and compress the extrusion spring 22, the extrusion spring 22 automatically resets and pushes the moving plate 28 when being extruded, and the hydraulic oil 23 in the second storage room returns to the first storage room through the one-way return tube 27 to be supplemented, so that the hydraulic oil 23 flows back and forth between the first storage room and the second storage room, namely, the vibration can be weakened and offset by using the characteristic of large flow resistance of the hydraulic oil 23, so that the normal operation of the transformer can not be influenced by the vibration.

Referring to fig. 2-3, two heat insulation sponge plates 10 are mounted on a protective box 2 through two sliding mechanisms, a plurality of vent holes 15 matched with the heat insulation sponge plates 10 are formed in the protective box 2, two memory alloy rods 17 are fixedly mounted on the protective box 2 through heat absorbing plates 14, and connecting rods 18 are fixedly mounted between the two memory alloy rods 17 and the two corresponding heat absorbing plates 14;

the following points are notable:

1. slide mechanism includes the trapezoidal slider of fixed mounting on thermal-insulated sponge board 10, has seted up trapezoidal spout on protective housing 2, and trapezoidal slider block is installed in trapezoidal spout for make thermal-insulated sponge board 10 only carry out vertical slip on protective housing 2's outer wall, and can not take place skew and separation with protective housing 2 between.

2. Thermal-insulated sponge board 10 pastes with the outer wall of protective housing 2 mutually, can play thermal-insulated heat retaining effect, when the temperature in protective housing 2 risees, absorber plate 14 can absorb the heat and conduct to memory alloy pole 17 department promptly, memory alloy pole 17 is heated and can contract promptly and rise, thereby it rises to stimulate thermal-insulated sponge board 10 under the effect of connecting rod 18, thermal-insulated sponge board 10 rises and can relieve sheltering from of a plurality of ventilation holes 15 on the protective housing 2 promptly, protective housing 2 can carry out natural ventilation heat dissipation through a plurality of ventilation holes 15 this moment.

3. The protective box 2 is provided with a moving groove matched with the connecting rod 18, the inner wall of the moving groove is fixedly provided with two elastic sealing gaskets, the two elastic sealing gaskets are attached to each other, the moving groove is used for enabling the connecting rod 18 to freely slide up and down, the two elastic sealing gaskets can play a role in sealing the moving groove, the moving groove cannot leak air, and the normal movement of the connecting rod 18 cannot be influenced.

Referring to fig. 1 and 4-5, an air guide mechanism is installed in a protective box 2, and a sliding door 5 is slidably installed on the protective box 2;

the following points are notable:

1. air guide mechanism includes servo motor 8 of fixed mounting in protective housing 2, bellows, and servo motor 8 is located bellows, rotate through the dwang between servo motor 8's the drive end and the bellows and install a plurality of fan blades 11, fixed mounting has guide duct 19 between bellows 8 and a plurality of boards 7 of placing, and fixed mounting has a plurality of blowpipes 20 on the guide duct 19, when the high temperature in protective housing 2, servo motor 8 can start promptly and drive a plurality of fan blades 11 and rotate and produce wind-force, wind-force can be through guide duct 19 conduction to a plurality of blowpipes 20 departments, can carry out quick heat dissipation of blowing to a plurality of transformers promptly, make its rapid cooling.

2. An electric heating net is fixedly arranged in the air guide pipe 19, and when the humidity in the protective box 2 is high, the electric heating net can be started to heat the wind power airflow in the air guide pipe 19, so that the air blowing pipe 20 blows hot air, and the moisture in the protective box 2 can be discharged.

3. Install the detection structure in the protective housing 2, detect the structure and include the temperature and humidity sensor of fixed mounting in protective housing 2, and be connected for the electricity between electric heat net, servo motor 8 and the temperature and humidity sensor, temperature and humidity sensor can carry out real-time detection to the humiture in protective housing 2 to can conduct the testing result to servo motor 8 and electric heat net and control its start-up, so that carry out real-time adjustment to the humiture in protective housing 2.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A protection device for a transformer comprises a protection box (2) and is characterized in that a shielding mechanism is installed on the protection box (2), two side plates (6) are fixedly installed in the protection box (2), a plurality of pressure reducing mechanisms are installed between the side plates (6) and the protection box (2), a plurality of placing plates (7) are fixedly installed between the two side plates (6), a positioning mechanism is installed on each placing plate (7), two heat insulation sponge plates (10) are installed on the protection box (2) through two sliding mechanisms, a plurality of ventilation holes (15) matched with the heat insulation sponge plates (10) are formed in the protection box (2), two memory alloy rods (17) are fixedly installed on the protection box (2) through heat absorbing plates (14), and connecting rods (18) are fixedly installed between the two memory alloy rods (17) and the corresponding two heat absorbing plates (14), install wind guiding mechanism in protective housing (2), slidable mounting has sliding door (5) on protective housing (2).

2. The protection device for the transformer according to claim 1, wherein the shielding mechanism comprises a bottom plate (1) fixedly mounted at the bottom of the protection box (2), the protection box (2) is fixedly provided with a shielding shed (3) through two connecting columns, the shielding shed (3) is fixedly provided with two baffles (4), and a plurality of rain guide pipes are fixedly mounted on the two baffles (4).

3. The protection device for the transformer according to claim 1, wherein the pressure reduction mechanism comprises two shock absorption columns (16) fixedly mounted on a side plate (6) and a protection box (2), partition plates (25) are fixedly mounted in the two shock absorption columns (16), hydraulic oil (23) is filled between each partition plate (25) and the corresponding shock absorption column (16), a shock absorption rod (21) is mounted between the two partition plates (25) in a sliding mode, pushing plates (24) are fixedly mounted at two ends of each shock absorption rod (21), two extrusion springs (22) are fixedly mounted between the two shock absorption columns (16), and a conduction structure is mounted in each shock absorption column (16).

4. The protection device for the transformer according to claim 3, wherein the conducting structure comprises a one-way liquid guide tube (26) and a one-way return tube (27) which are fixedly installed on a partition plate (25), a moving plate (28) is installed in the shock absorption column (16) in a sliding mode through matching of a limiting block and a limiting groove, two return springs (9) are fixedly installed between the moving plate (28) and the inner wall of the shock absorption column (16), and hydraulic oil (23) is filled between the moving plate (28) and the partition plate (25).

5. The protection device for the transformer according to claim 1, wherein the positioning mechanism comprises two compression springs (13) fixedly mounted on the placing plate (7), the two compression springs (13) are both fixedly mounted with a positioning plate (12), and the two positioning plates (12) are both fixedly mounted with a pull handle.

6. The protection device for the transformer according to claim 1, wherein the sliding mechanism comprises a trapezoidal sliding block fixedly mounted on the heat insulation sponge plate (10), the protection box (2) is provided with a trapezoidal sliding groove, the trapezoidal sliding block is clamped and mounted in the trapezoidal sliding groove, the protection box (2) is provided with a moving groove matched with the connecting rod (18), two elastic sealing gaskets are fixedly mounted on the inner wall of the moving groove, and the two elastic sealing gaskets are attached to each other.

7. The protection device for the transformer according to claim 1, wherein the air guide mechanism comprises a servo motor (8) and an air box which are fixedly installed in the protection box (2), the servo motor (8) is located in the air box, a plurality of fan blades (11) are rotatably installed between a driving end of the servo motor (8) and the air box through a rotating rod, air guide pipes (19) are fixedly installed between the air box and the plurality of placing plates (7), a plurality of blowing pipes (20) are fixedly installed on the air guide pipes (19), and a detection structure is installed in the protection box (2).

8. The protection device for the transformer according to claim 7, wherein the detection structure comprises a temperature and humidity sensor fixedly installed in the protection box (2), an electric heating net is fixedly installed in the air guide pipe (19), and the electric heating net, the servo motor (8) and the temperature and humidity sensor are electrically connected.