CN210378680U

CN210378680U - High-impedance transformer

Info

Publication number: CN210378680U
Application number: CN201921250472.7U
Authority: CN
Inventors: 李秋林; 王璐琳; 熊丽丽
Original assignee: Jiangxi Yisheng Electric Co ltd
Current assignee: Jiangxi Yisheng Electric Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-21
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a high-impedance transformer, which relates to the technical field of transformers and comprises a transformer body, wherein the bottom of the transformer body is provided with a damping base, and two ends of the damping base are respectively provided with a U-shaped groove containing a damping spring; the damping base is provided with two supporting columns, the two supporting columns are connected through a cross beam, one side of each of the two supporting columns is provided with a sliding groove, an upper sliding block and a lower sliding block are arranged on the sliding groove, the upper sliding block is connected with the cross beam through an upper spring, and the lower sliding block is connected with the damping base through a lower spring; the outer walls of the two sides of the transformer body are provided with extrusion blocks. The vibration absorption base for supporting and absorbing vibration is arranged at the bottom of the transformer body, so that the transformer body can be absorbed in the vertical direction; through being equipped with the extrusion piece in transformer both sides, through the upper and lower slider of extrusion piece extrusion, the corresponding spring of upper and lower slider compression is transformed into the vibration energy that transformer body horizontal direction produced elastic potential energy, realizes carrying out efficient horizontal shock attenuation to the transformer body.

Description

High-impedance transformer

Technical Field

The utility model relates to a transformer technical field, concretely relates to high impedance transformer.

Background

The high impedance transformer is widely used for effectively reducing the short circuit current of the system, improving the short circuit capability and the like. The high-impedance transformer is generally large in size and can be directly mounted on the ground, the high-impedance transformer can generate large vibration during operation, and the existing high-impedance transformer generally does not have a damping function or has a damping function but has a poor damping effect, so that the phenomenon that transformer elements fall off or are damaged is caused, and the service life of the transformer is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior art problem, the utility model can perform the shock absorption in the vertical direction on the transformer body by arranging the shock absorption base with dual purposes of supporting and shock absorption at the bottom of the transformer body; meanwhile, the extrusion blocks are arranged on the two sides of the transformer, the upper sliding block and the lower sliding block are extruded through the extrusion blocks, the upper sliding block and the lower sliding block compress corresponding springs, vibration energy generated in the horizontal direction of the transformer body is converted into elastic potential energy, and efficient horizontal shock absorption is carried out on the transformer body.

The utility model discloses specifically adopt following technical scheme:

a high impedance transformer includes a transformer body;

the transformer body is fixed on the damping base; the damping base is I-shaped, U-shaped grooves are formed in two ends of the damping base, and a plurality of damping springs are fixedly arranged between the upper inner wall and the lower inner wall of each U-shaped groove;

two support columns are symmetrically and fixedly arranged on the damping base, the two support columns are positioned on two sides of the transformer body, the upper ends of the two support columns are fixedly connected through a cross beam, and the cross beam is positioned above the transformer body;

one side, close to the transformer body, of each of the two support columns is provided with a sliding groove, an upper sliding block and a lower sliding block are symmetrically and slidably connected to the sliding grooves, and a gap is formed between the upper sliding block and the lower sliding block;

one end of the upper sliding block, which is far away from the lower sliding block, is fixedly connected with one end of an upper spring, and the other end of the upper spring is fixedly connected with the lower end of the cross beam; one end of the lower sliding block, which is far away from the upper sliding block, is fixedly connected with one end of a lower spring, and the other end of the lower spring is fixedly connected with the upper end of the damping base;

and extrusion blocks which are in contact with the upper sliding block and the lower sliding block are fixedly arranged on the outer walls of the two sides of the transformer body.

The further scheme is that the upper sliding block and the lower sliding block are in a right-angle trapezoid shape, inclined planes are arranged at one ends, far away from the sliding groove, of the upper sliding block and the lower sliding block, the extrusion block is in an isosceles trapezoid shape, and the two inclined planes of the extrusion block are respectively in contact with the inclined plane of the upper sliding block and the inclined plane of the lower sliding block.

The transformer body further comprises a heat dissipation device, the heat dissipation device comprises a fan and a heat dissipation port, the fan is arranged on one side of the outer portion of the transformer body and is fixed on the damping base, and an air outlet of the fan is communicated with the inner portion of the transformer body through a pipeline; the heat dissipation opening is arranged on one outer side wall of the transformer body.

The further proposal is that the heat dissipation port is provided with a cover plate for covering the heat dissipation port.

The further scheme is that an electric push rod is fixedly arranged at the bottom of the cross beam, a telescopic rod of the electric push rod is hinged to one end of a connecting rod, the other end of the connecting rod is hinged to one end of a cover plate, and the other end of the cover plate is rotatably connected with the outer side wall of the transformer body.

The transformer comprises a transformer body, wherein a temperature sensor is arranged at the upper end of the transformer body, a temperature probe of the temperature sensor extends into the transformer body, a signal output end of the temperature sensor is electrically connected with an input end of a controller, and an output end of the controller is electrically connected with an electric push rod and a fan.

The transformer comprises a transformer body, wherein a lightning rod is fixedly arranged at the upper end of the transformer body.

The utility model has the advantages that:

the damping base with the two ends provided with the U-shaped grooves is arranged at the bottom of the transformer body, and the damping spring is arranged in the U-shaped grooves, so that the transformer body can be supported, and meanwhile, the transformer body can be damped in the vertical direction; the extrusion blocks are arranged on the two sides of the transformer, the upper sliding block and the lower sliding block are extruded through the extrusion blocks, the upper sliding block and the lower sliding block compress corresponding springs, and vibration energy generated in the horizontal direction of the transformer body is converted into elastic potential energy, so that efficient transverse shock absorption is realized on the transformer body;

the fan is arranged, and the heat dissipation port is arranged on the outer side wall of the transformer body, so that air cooling heat dissipation can be performed on the interior of the transformer body;

the cover plate is arranged through the heat dissipation port, so that dust or other objects can be prevented from entering the transformer body when the transformer does not need heat dissipation;

through temperature sensor, controller and fan and the apron device that opens and shuts including electric putter, connecting rod, the realization is to the radiating automated control of transformer body.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a high impedance transformer according to the present invention;

the attached drawings are marked as follows: 1-a transformer body; 10-extruding block; 11-a temperature sensor; 12-a lightning rod; 2-a damping base; 20-U-shaped grooves; 21-a damping spring; 3-a support column; 30-a chute; 300-an upper slide block; 301-lower slider; 4-a cross beam; 5-clearance; 60-spring up; 61-lower spring; 70-a fan; 71-a heat dissipation port; 710-a cover plate; 72-a conduit; 80-an electric push rod; 81-connecting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, an embodiment of the present invention discloses a high impedance transformer, which includes a transformer body 1, a damping base 2 is disposed at the bottom of the transformer body 1, and the transformer body 1 is fixed on the damping base 2; the damping base 2 is I-shaped, U-shaped grooves 20 are formed in two ends of the damping base 2, and a plurality of damping springs 21 are fixedly arranged between the upper inner wall and the lower inner wall of each U-shaped groove 20; two support columns 3 are symmetrically and fixedly arranged on the damping base 2, the two support columns 3 are positioned on two sides of the transformer body 1, the upper ends of the two support columns 3 are fixedly connected through a cross beam 4, and the cross beam 4 is positioned above the transformer body 1; one side of each of the two support columns 3 close to the transformer body 1 is provided with a sliding groove 30, the sliding grooves 30 are symmetrically connected with an upper sliding block 300 and a lower sliding block 301 in a sliding manner, and a gap 5 is formed between the upper sliding block 300 and the lower sliding block 301; one end of the upper slider 300, which is far away from the lower slider 301, is fixedly connected with one end of the upper spring 60, and the other end of the upper spring 60 is fixedly connected with the lower end of the cross beam 4; one end of the lower slider 301, which is far away from the upper slider 300, is fixedly connected with one end of the lower spring 61, and the other end of the lower spring 61 is fixedly connected with the upper end of the damping base 2; the outer walls of the two sides of the transformer body 1 are fixedly provided with extrusion blocks 10 which are in contact with the upper sliding block 300 and the lower sliding block 301. When the transformer body vibrates in the vertical direction, vibration energy is transmitted to the damping base at the bottom of the transformer body, and the transformer body can be damped in the vertical direction through the damping base with the U-shaped grooves formed in the two ends and the damping springs arranged in the U-shaped grooves; when the transformer body produces vibrations in the horizontal direction, vibrations energy transfer is for the extrusion piece of transformer both sides, slider about the extrusion piece received energy back extrusion, make slider about the motion on the spout and compress the spring that corresponds, convert the vibration energy that transformer body horizontal direction produced into the elastic potential energy of spring, the realization carries out efficient horizontal shock attenuation to the transformer body, the damping performance of transformer body has been promoted greatly, prevent that transformer element from coming off or damaging because of vibrations great appearance, the life of transformer has been prolonged.

In this embodiment, the upper slider 300 and the lower slider 301 are in a right trapezoid shape, and the ends of the upper slider 300 and the lower slider 301 far away from the sliding groove 30 are both provided with an inclined surface, the extrusion block 10 is in an isosceles trapezoid shape, and the two inclined surfaces of the extrusion block 10 are respectively in contact with the inclined surface of the upper slider 300 and the inclined surface of the lower slider 301. The contact area of the extrusion block with the upper sliding block and the lower sliding block is increased, vibration energy generated by the transformer body in the horizontal direction can be transmitted to the upper sliding block and the lower sliding block to a greater extent, and the vibration energy can be completely converted.

In this embodiment, the transformer body 1 further includes a heat dissipation device, the heat dissipation device includes a fan 70 and a heat dissipation port 71, the fan 70 is disposed on one side of the exterior of the transformer body 1, the fan 70 is fixed on the vibration damping base 2, and an air outlet of the fan 70 is communicated with the interior of the transformer body 1 through a pipeline 72; the heat sink 71 is disposed on an outer sidewall of the transformer body 1. Through a certain amount of wind to the inside of transformer body, discharge the inside heat of transformer body from the thermovent more fast through the fan, realize carrying out the forced air cooling heat dissipation to the transformer.

In the present embodiment, a cover plate 710 for covering the heat dissipation opening 71 is provided on the heat dissipation opening 71. Dust or other objects can be prevented from entering the transformer body when the transformer does not need heat dissipation;

in this embodiment, the bottom of the cross beam 4 is fixedly provided with the electric push rod 80, the telescopic rod of the electric push rod 80 is hinged to one end of the connecting rod 81, the other end of the connecting rod 81 is hinged to one end of the cover plate 710, and the other end of the cover plate 710 is rotatably connected to the outer side wall of the transformer body 1. Through the up-and-down motion of the electric push rod, the connecting rod and the cover plate are linked, so that the cover plate covers the heat dissipation opening or leaves the heat dissipation opening, and the automatic control of the opening and the closing of the heat dissipation opening is realized.

In this embodiment, the upper end of the transformer body 1 is provided with the temperature sensor 11, a temperature probe of the temperature sensor 11 extends into the transformer body 1, a signal output end of the temperature sensor 11 is electrically connected with an input end of the controller, and an output end of the controller is electrically connected with the electric push rod 80 and the fan 70. But through the inside temperature of temperature sensor real-time supervision transformer body, when the inside high temperature of transformer body, start and control electric putter downstream through controller control fan, make the apron leave the thermovent, realize carrying out the radiating automatic control of forced air cooling to the transformer body.

In the present embodiment, a lightning rod 12 is fixedly disposed at the upper end of the transformer body 1. The damage to the transformer caused by the lightning striking the transformer is avoided.

Finally, only the specific embodiments of the present invention have been described in detail. The invention is not limited to the specific embodiments described above. Equivalent modifications and substitutions by those skilled in the art to the present invention are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. A high impedance transformer, includes transformer body (1), its characterized in that:

the damping base (2) is arranged at the bottom of the transformer body (1), and the transformer body (1) is fixed on the damping base (2); the damping base (2) is I-shaped, U-shaped grooves (20) are formed in two ends of the damping base (2), and a plurality of damping springs (21) are fixedly arranged between the upper inner wall and the lower inner wall of each U-shaped groove (20);

two supporting columns (3) are symmetrically and fixedly arranged on the damping base (2), the two supporting columns (3) are positioned on two sides of the transformer body (1), the upper ends of the two supporting columns (3) are fixedly connected through a cross beam (4), and the cross beam (4) is positioned above the transformer body (1);

sliding grooves (30) are formed in one sides, close to the transformer body (1), of the two supporting columns (3), an upper sliding block (300) and a lower sliding block (301) are symmetrically connected to the sliding grooves (30) in a sliding mode, and a gap (5) is formed between the upper sliding block (300) and the lower sliding block (301);

one end, far away from the lower sliding block (301), of the upper sliding block (300) is fixedly connected with one end of an upper spring (60), and the other end of the upper spring (60) is fixedly connected with the lower end of the cross beam (4); one end, far away from the upper sliding block (300), of the lower sliding block (301) is fixedly connected with one end of a lower spring (61), and the other end of the lower spring (61) is fixedly connected with the upper end of the damping base (2);

and extrusion blocks (10) which are in contact with the upper sliding block (300) and the lower sliding block (301) are fixedly arranged on the outer walls of the two sides of the transformer body (1).

2. A high impedance transformer as claimed in claim 1, wherein:

the slider (300) with lower slider (301) is right trapezoid shape, just slider (300) down slider (301) are kept away from the one end of spout (30) all is provided with the inclined plane, extrusion piece (10) are isosceles trapezoid, just two inclined planes of extrusion piece (10) respectively with the inclined plane of slider (300) down the inclined plane of slider (301) contacts.

3. A high impedance transformer as claimed in claim 1, wherein:

the transformer body (1) further comprises a heat dissipation device, the heat dissipation device comprises a fan (70) and a heat dissipation port (71), the fan (70) is arranged on one side of the outer portion of the transformer body (1), the fan (70) is fixed on the damping base (2), and an air outlet of the fan (70) is communicated with the inner portion of the transformer body (1) through a pipeline (72); the heat dissipation opening (71) is arranged on one outer side wall of the transformer body (1).

4. A high impedance transformer as claimed in claim 3, wherein:

and a cover plate (710) used for covering the heat dissipation opening (71) is arranged on the heat dissipation opening (71).

5. A high impedance transformer according to claim 4, wherein:

the fixed electric putter (80) that is provided with in bottom of crossbeam (4), the telescopic link of electric putter (80) is articulated with the one end of connecting rod (81), the other end of connecting rod (81) with the one end of apron (710) is articulated, the other end of apron (710) with the lateral wall of transformer body (1) rotates and is connected.

6. A high impedance transformer according to claim 5, wherein:

the upper end of transformer body (1) is provided with temperature sensor (11), the temperature probe of temperature sensor (11) stretches into the inside of transformer body (1), the signal output part of temperature sensor (11) is connected with the input electricity of controller, the output of controller with electric putter (80) fan (70) electricity all is connected.

7. A high impedance transformer as claimed in claim 1, wherein:

the upper end of the transformer body (1) is fixedly provided with a lightning rod (12).