CN218939393U

CN218939393U - Power transformer

Info

Publication number: CN218939393U
Application number: CN202223440075.0U
Authority: CN
Inventors: 武修荣
Original assignee: Guangdong Yundian Technology Co ltd
Current assignee: Guangdong Yundian Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-28
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a power transformer, which comprises an oil tank body, a first bracket, a second bracket and a third bracket, wherein an iron core is arranged in the oil tank body, a winding is arranged on the outer surface of the iron core, a low-voltage sleeve, a high-voltage sleeve and a tapping switch are arranged on the upper surface of the oil tank body, and a supporting plate is arranged on the front side surface of the oil tank body. Through increasing first support, second support and third support, the user passes through the screw and installs first support at the lower surface of the oil tank body, through bolt, nut and the firm connection of third support user with the transformer on the electric wire post, prevents to cause the risk that drops, makes the transformer installation more firm, through setting up signal thermometer, the user can look over the inside temperature of the oil tank body through the pointer to the user can real-time observation transformer inside temperature.

Description

Power transformer

Technical Field

The utility model relates to a power transformer, and belongs to the field of power transformers.

Background

Chinese patent CN203325694U discloses a power transformer, which is mentioned in the background: the existing transformer has the defects of complex structure, incomplete functions, improved heat dissipation effect and mobility, and the technical characteristics are as follows: "including the casing, be equipped with the oil tank in the casing, the oil tank is equipped with the drain valve, the casing top is equipped with the oil storage cabinet, and the oil storage cabinet passes through the support frame to be fixed on the casing, be equipped with the oil level gauge on the oil storage cabinet, the oil storage cabinet below is equipped with the moisture absorber, and oil storage cabinet one side is connected with safe air flue, and safe air flue is connected with gas relay, and the upper portion of casing is equipped with high-voltage bushing, low-voltage bushing and tap switch, the lower part of casing is equipped with the earth connection, the bottom of casing is equipped with roller device, the both sides of casing are equipped with the handle, the top of casing is equipped with detachable sunshading board.

According to the technical scheme disclosed by the utility model, although the power transformer can be installed, because the prior art is that the roller device is arranged at the bottom of the shell, the safety problem exists when the power transformer is used, the transformer is generally fixedly installed, people cannot exist around the transformer, potential safety hazards exist, the arrangement of the rollers can lead to the movement of the transformer and the fixed installation of the transformer cannot be realized, and therefore, a new structure is required to be provided for solving the technical problems.

Disclosure of Invention

In view of the shortcomings of the prior art, the present utility model aims to provide a power transformer, which solves the problems set forth in the above background art by adding a signal thermometer, a first bracket, a second bracket and a third bracket.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a power transformer, includes the oil tank body, first support, second support and third support, the internal internally mounted of oil tank has the iron core, and the iron core surface is provided with the winding, the last surface mounting of the oil tank body has low-voltage bushing, high-voltage bushing and tap changer, the front side surface mounting of the oil tank body has the backup pad, surface mounting has the conservator in the backup pad, the front surface, rear surface, left surface and the right surface mounting of the oil tank body have the fin, the front surface mounting of the oil tank body has signal thermometer, the lower surface mounting of the oil tank body has first support.

Further, the low-voltage sleeve and the high-voltage sleeve are provided with three, the number of the tapping switches is four, the tapping switches are divided into an off-load tapping switch and an on-load tapping switch, the tapping switches are connected with windings in the oil tank body through taps, and the upper surface of the oil tank body is provided with an oil inlet.

Further, cooling fins are arranged on the front, back, left and right surfaces of the oil tank body, a signal thermometer is arranged beside the cooling fins on the front surface of the oil tank body, a temperature control probe is arranged in the oil tank body through a hose by the signal thermometer, and the signal thermometer is a temperature control meter of a transformer with the model of WTZK-03.

Further, a supporting plate is arranged on the upper portion of the front surface of the oil tank body through screws, mounting holes are formed in four corners of the upper surface of the supporting plate, a conservator is arranged above the supporting plate through screws in the mounting holes, pressure-variable oil is filled in the hollow of the conservator, two supporting frames are arranged on the lower surface of the conservator, an air valve is arranged on the upper surface of the conservator, a drain valve is arranged on the lower surface of the conservator, an oil level indicator is arranged on the right side of the conservator, an air pipeline is arranged on the upper surface of the conservator, a filtering respirator is arranged at the lower end of the air pipeline, and an oil pipe is arranged on the lower surface of the conservator and connected to an oil inlet through a potential relay;

the gas relay is a protective device on the transformer, the gas relay is arranged on an oil pipe of the transformer and the oil conservator, and a signal or a tripping circuit is connected under the action of gas or pressure-variable oil generated by the internal fault of the transformer, so that the related device sends out an alarm signal or the transformer is disconnected from a power grid, and the effect of protecting the transformer is achieved.

Further, the lower surface of the oil tank body is provided with a first support through screws, the first support is provided with two, the first support is of a door-shaped structure, a plurality of first circular through holes are formed in the upper surface of the first support, two second circular through holes are formed in the side face of the second support, a plurality of third circular through holes are formed in the upper surface of the second support, the centers of the first circular through holes are aligned with the centers of the third circle center through holes, and the first support is mounted on the second support through screws and nuts.

Further, the second support is provided with two, the circular through-hole of second links together two second supports through screw rod and nut, two be provided with the electric wire post in the middle of the second support, the surface mounting of electric wire post has the third support, the third support is provided with two, the both ends of third support are provided with the connecting hole, the third support passes through the connecting hole with two third supports and installs the surface at the electric wire post, the second support is installed in the top of third support, the electric wire post is provided with two, and the transformer passes through first support, second support and third support and installs between two electric wire posts.

The utility model has the beneficial effects that: according to the power transformer, the first bracket, the second bracket and the third bracket are additionally arranged, a user installs the first bracket on the lower surface of the oil tank body through the bolts, the first bracket is installed above the second bracket through the grooves, the first bracket is connected with the second bracket through the bolts and the nuts, the user can well and firmly connect the transformer on the wire column through the bolts and the nuts, the two ends of the third bracket are provided with the connecting holes, the two third brackets are installed on the outer surface of the wire column through the bolts and the nuts, the second bracket is installed above the third bracket, and the transformer can be well fixed between the wire columns through the matching of the first bracket, the second bracket and the third bracket, so that the risk of falling off caused when the transformer is used outdoors for a long time is avoided, and the installation of the transformer is more stable.

Through setting up signal thermometer, signal thermometer's temperature sensing probe installs in the inside of the oil tank body, and temperature sensing probe passes through the hose and is connected with signal thermometer, and temperature sensing probe passes through hose control pointer swing, and the user can look over the inside temperature of the oil tank body through the pointer to the user can real-time observation transformer inside temperature.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a power transformer according to the present utility model;

FIG. 2 is a schematic diagram of a wick structure of a power transformer according to the present utility model;

FIG. 3 is a schematic diagram of a bracket structure of a power transformer according to the present utility model;

in the figure: 100-oil tank body, 101-tapping switch, 102-high-voltage sleeve, 103-low-voltage sleeve, 104-cooling fin, 105-oil inlet, 110-supporting plate, 111-mounting hole, 200-first bracket, 201-first circular through hole, 300-signal thermometer, 400-second bracket, 401-second circular through hole, 402-third circular through hole, 410-bolt, 411-nut, 500-wire column, 510-third bracket, 511-connecting hole, 600-oil pillow, 601-air valve, 602-supporting frame, 603-drain valve, 604-oil pipe, 605-oil level indicator, 606-air pipeline, 607-filtering respirator, 610-potential relay.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides a power transformer, including the oil tank body 100, first support 200, second support 400 and third support 510, oil tank body 100 internally mounted has the iron core, the iron core surface is provided with the winding, oil tank body 100's upper surface mounting has low-voltage bushing 103, high-voltage bushing 102 and tapping switch 101, oil tank body 100's front side surface mounting has backup pad 110, backup pad 110 upper surface mounting has conservator 600, oil tank body 100's front surface, the rear surface, left side surface and right side surface mounting have fin 104, oil tank body 100's front surface mounting has signal thermometer 300, oil tank body 100's lower surface mounting has first support 200.

The low-voltage sleeve 103 and the high-voltage sleeve 102 are provided with three, the tapping switch 101 is provided with four, the tapping switch 101 is divided into an off-load tapping switch and an on-load tapping switch, the tapping switch 101 is connected with windings in the oil tank body 100 through taps, and the upper surface of the oil tank body 100 is provided with an oil inlet 105.

As an embodiment of the present utility model, the front, rear, left and right surfaces of the oil tank body 100 are provided with the cooling fins 104, the side of the cooling fin 104 on the front surface of the oil tank body 100 is provided with the signal thermometer 300, the signal thermometer 300 is provided with the temperature sensing probe inside the oil tank body 100 through a hose, and the signal thermometer 300 is a type WTZK-03 transformer temperature controller;

the temperature sensing probe of the signal thermometer 300 is installed in the oil tank body 100, and the temperature sensing probe is connected with the signal thermometer 300 through a hose, and the hose is internally filled with a temperature sensing medium, the signal thermometer 300 is installed on the front surface of the oil tank body 100, when the temperature of the transformed oil in the oil tank body 100 changes, the temperature sensing probe controls the swinging of a pointer through the hose, a user can check the temperature in the oil tank body 100 through the pointer, so that the user can observe the temperature in the transformer in real time, the damage to the transformer caused by overhigh temperature in the transformer is avoided, and the transformer can be further protected by the potential relay 610.

The upper portion of the front surface of the oil tank body 100 is provided with a supporting plate 110 through screws, four corners of the upper surface of the supporting plate 110 are provided with mounting holes 111, the upper surface of the supporting plate 110 is provided with a conservator 600 through screws, the hollow interior of the conservator 600 is filled with pressure-variable oil, the lower surface of the conservator 600 is provided with two supporting frames 602, the supporting frames 602 are arranged on the supporting plate 110 through the mounting holes 111, the upper surface of the conservator 600 is provided with an air valve 601, the lower surface of the conservator 600 is provided with a drain valve 603, the right side of the conservator 600 is provided with an oil level indicator 605, the upper surface of the conservator 600 is provided with an air pipeline 606, the lower end of the air pipeline 606 is provided with a filtering breather 607, the lower surface of the conservator 600 is provided with an oil pipe 604, and the oil pipe 604 is connected to the oil inlet 105 through a potential relay 610.

The first support 200 is installed to the lower surface of the oil tank body 100 through the screw, and first support 200 is provided with two, and first support 200 is a kind of door font structure, and a plurality of first circular through-holes 201 have been seted up to the upper surface of first support 200, and two second circular through-holes 401 have been seted up to the second support 400 side, and a plurality of third circular through-holes 402 have been seted up to the upper surface of second support 400, and a plurality of first circular through-holes 201 centers align with a plurality of third circular through-holes 402's center, and first support 200 passes through bolt 410 and nut 411 and installs on second support 400.

As an embodiment of the present utility model, the second brackets 400 are provided in two, the second circular through holes 401 connect the two second brackets 400 together through bolts 410 and nuts 411, a wire column 500 is provided in the middle of the two second brackets 400, a third bracket 510 is installed on the outer surface of the wire column 500, the third bracket 510 is provided in two, connecting holes 511 are provided at both ends of the third bracket 510, the third bracket 510 installs the two third brackets 510 on the outer surface of the wire column 500 through the connecting holes 511, the second bracket 400 is installed above the third bracket 510, the wire column 500 is provided in two, and a transformer is installed between the two wire columns 500 through the first bracket 200, the second bracket 400 and the third bracket 510;

the user installs first support 200 at the lower surface of oil tank body 100 through the screw, first circular through-hole 201 has been seted up to the upper surface of first support 200, first circular through-hole 201 aligns with third circular through-hole 402, first support 200 passes through the recess and installs the top at second support 400, first support 200 passes through bolt 410 and nut 411 with first support 200 and second support 400 link together, first support 200 is provided with two, second support 400 is provided with two, through bolt 410 and nut 411 the firm connection of transformer on wire column 500 that the user can be fine, third support 510 both ends are provided with connecting hole 511, two third supports 510 pass through bolt 410 and nut 411 and install on the surface of wire column 500, the top at third support 510 is installed to second support 400, through first support 200, second support 400 and third support 510 collocation use, can be fine fix the transformer between wire column 500, prevent that the transformer from causing the firm risk of falling when outdoor long-time use, make the transformer installation more firm.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a power transformer, includes oil tank body (100), first support (200), second support (400) and third support (510), its characterized in that: an iron core is arranged in the oil tank body (100), and a winding is arranged on the outer surface of the iron core;

the oil tank comprises an oil tank body (100), wherein a low-voltage sleeve (103), a high-voltage sleeve (102) and a tap switch (101) are arranged on the upper surface of the oil tank body (100), a supporting plate (110) is arranged on the front side surface of the oil tank body (100), a conservator (600) is arranged on the upper surface of the supporting plate (110), and radiating fins (104) are arranged on the front surface, the rear surface, the left surface and the right surface of the oil tank body (100);

the front surface of the oil tank body (100) is provided with a signal thermometer (300), and the lower surface of the oil tank body (100) is provided with a first bracket (200).

2. A power transformer according to claim 1, characterized in that: the low-voltage bushing (103) and the high-voltage bushing (102) are arranged in three, the tapping switch (101) is arranged in four, the tapping switch (101) is divided into an unloaded tapping switch and an on-load tapping switch, the tapping switch (101) is connected with a winding in the oil tank body (100) through a tap, and an oil inlet (105) is formed in the upper surface of the oil tank body (100).

3. A power transformer according to claim 2, characterized in that: the intelligent oil tank is characterized in that cooling fins (104) are arranged on the front, back, left and right surfaces of the oil tank body (100), a signal thermometer (300) is arranged beside the cooling fins (104) on the front surface of the oil tank body (100), a temperature control probe is arranged in the oil tank body (100) through a hose by the signal thermometer (300), and the signal thermometer (300) is a type WTZK-03 transformer temperature control meter.

4. A power transformer according to claim 1, characterized in that: the utility model discloses a hydraulic oil tank, including oil tank body (100), backup pad (110) are installed through the screw to the upper portion of the front surface of oil tank body (100), mounting hole (111) have been seted up at four corners of the upper surface of backup pad (110), mounting hole (111) are installed oil conservator (600) in the top of backup pad (110) through the screw, oil conservator (600) cavity inside is filled with pressure swing oil, two support frames (602) are installed to the lower surface mounting of oil conservator (600), support frames (602) are installed on backup pad (110) through mounting hole (111), air valve (601) are installed to the upper surface mounting of oil conservator (600), drain valve (603) are installed to the lower surface mounting of oil conservator (600), air pipe (606) are installed to the upper surface mounting of oil conservator (600), filtering breather (607) are installed to the lower surface mounting of oil conservator (600), oil pipe (604) are connected at oil inlet (610) through electric potential relay (610).

5. A power transformer according to claim 1, characterized in that: the lower surface of the oil tank body (100) is provided with a first support (200) through screws, the first support (200) is provided with two, the first support (200) is of a door-shaped structure, a plurality of first circular through holes (201) are formed in the upper surface of the first support (200), two second circular through holes (401) are formed in the side face of the second support (400), a plurality of third circular through holes (402) are formed in the upper surface of the second support (400), the centers of the first circular through holes (201) are aligned with the centers of the third circular through holes (402), and the first support (200) is installed on the second support (400) through screws (410) and nuts (411).

6. A power transformer according to claim 5, characterized in that: the utility model discloses a transformer, including first support (400), second circular through-hole (401), second support (400), third support (510) are installed to the surface of electric wire post (500), third support (510) are provided with two, both ends of third support (510) are provided with connecting hole (511), third support (510) are installed two third supports (510) at the surface of electric wire post (500) through connecting hole (511), second support (400) are installed in the top of third support (510), electric wire post (500) are provided with two, and the transformer is installed between two electric wire posts (500) through first support (200), second support (400) and third support (510).