CN210039871U - Movable box type transformer - Google Patents
Movable box type transformer Download PDFInfo
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- CN210039871U CN210039871U CN201921051159.0U CN201921051159U CN210039871U CN 210039871 U CN210039871 U CN 210039871U CN 201921051159 U CN201921051159 U CN 201921051159U CN 210039871 U CN210039871 U CN 210039871U
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Abstract
The utility model discloses a movable box type transformer, which comprises a base, wherein a transformer cabin is fixedly arranged on the base, a three-phase alternating current transformer is arranged on the base in the transformer cabin, and a radiator group is arranged in the transformer cabin; a pair of opposite side walls of the transformer bin are provided with fin radiators, and the other pair of opposite side walls of the transformer bin are respectively provided with a high-voltage side junction device and a low-voltage side junction device; the top end of the transformer cabin is hermetically provided with an electric switch cabin, a voltage transformation electric control assembly is arranged in the electric switch cabin, one side wall of the electric switch cabin is provided with an electric operating device, the top end of the electric switch cabin is provided with a top cover, and a ventilation device and a fastening device are arranged between the top cover and the cabin body of the electric switch cabin; the box-type transformer has the advantages of small volume, light weight, compact structure, convenient installation and replacement and quick replacement.
Description
Technical Field
The utility model relates to a become distribution equipment, especially a remove box transformer.
Background
The box-type transformer is used as a whole set of distribution equipment and is formed by organically combining a transformer, high-voltage electrical control equipment, low-voltage electrical control equipment and a secondary protection device. At present, box-type transformers are widely applied to power engineering construction. The high-low voltage side control inside the box type transformer used at present mostly adopts the traditional switch equipment, the reliability is low, and once a fault occurs, the on-site maintenance can be carried out only.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a convenient removal box transformer that overhauls and maintain is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the movable box type transformer comprises a base, wherein a transformer bin is fixedly installed on the base, a three-phase alternating-current transformer is installed on the base in the transformer bin, and a radiator group which is distributed around the three-phase alternating-current transformer and connected with a shell of the three-phase alternating-current transformer is installed in the transformer bin; a pair of opposite side walls of the transformer bin are provided with fin radiators connected with the radiator groups, and the other pair of opposite side walls of the transformer bin are respectively provided with a high-voltage side junction device and a low-voltage side junction device;
the top end of the transformer cabin is hermetically provided with an electric switch cabin, a variable-voltage electric control assembly is installed in the electric switch cabin, the variable-voltage electric control assembly is installed on a top plate of the transformer, an electric operating device is arranged on one side wall of the electric switch cabin, a top cover is installed at the top end of the electric switch cabin, and a ventilation device and a fastening device are arranged between the top cover and a cabin body of the electric switch cabin.
As a preferred technical scheme, the fin radiator comprises two transverse collecting pipes which are connected with the pipelines of the radiator group, a plurality of vertical pipes are distributed and mounted between the two transverse collecting pipes, and a plurality of radiating fins which are arranged in parallel are horizontally sleeved on the vertical pipes.
As a preferable technical solution, the heat dissipation fins include a fin horizontal portion connected to the vertical tube, an inner fin extending obliquely upward is connected to an edge of the fin horizontal portion located inside the transformer compartment, and an outer fin extending obliquely downward is connected to an edge of the fin horizontal portion located outside the transformer compartment.
As a preferred technical scheme, high pressure side wiring arrangement with low pressure side wiring arrangement's both sides all are provided with the shutter, the shutter includes a plurality of horizontal line parallel arrangement's dustproof ventilation piece, dustproof ventilation piece include both ends all with the ventilation piece that the transformer storehouse is connected, the ventilation piece is located the border in the transformer storehouse is connected with the interior dustproof piece that extends in the slant, the ventilation piece is located the border outside the transformer storehouse is connected with the outer dustproof piece that extends in the slant.
As a preferred technical scheme, high-pressure side junction device is including setting up high-pressure side junction box in the transformer storehouse, install three-phase high voltage connection terminal in the high-pressure side junction box, three-phase high voltage connection terminal pass through european style T type high pressure plug head with the power supply high tension cable of transformer is connected, the opening of high-pressure side junction box outwards and install can with the chamber door of the lateral wall locking of high-pressure side junction box.
As a preferred technical scheme, the low-voltage side junction device comprises a low-voltage side junction box arranged in the transformer bin, a three-phase low-voltage junction terminal connected with a low-voltage power supply cable of the transformer is installed in the low-voltage side junction box, and a box door capable of being locked with a side wall of the low-voltage side junction box is installed on the low-voltage side junction box with an outward opening.
As a preferred technical scheme, the voltage transformation electrical control assembly comprises a transformer high-voltage insulator and a transformer low-voltage insulator which are arranged on a transformer top plate, a high-voltage three-phase vacuum contactor is further arranged on the transformer top plate, the wire inlet end of the high-voltage three-phase vacuum contactor is connected with the high-voltage side junction device through a copper bar, and the wire outlet end of the high-voltage three-phase vacuum contactor is electrically connected with the transformer high-voltage insulator through the copper bar;
the transformer top plate is also provided with a low-voltage three-phase vacuum contactor, the wire inlet end of the low-voltage three-phase vacuum contactor is connected with the low-voltage three-phase insulator through a copper bar, and the wire outlet end of the low-voltage three-phase vacuum contactor is connected with the low-voltage side junction device through a copper bar.
As a preferred technical scheme, the electric operating device comprises an operating box arranged in the electric switch cabin, an operating button, a switch and a working indicator lamp are installed in the operating box, and an anti-explosion glass door which can be locked with the side wall of the operating box is installed on the operating box with an outward opening.
As a preferred technical scheme, the ventilation device comprises a ventilation long hole arranged between the top cover and the top end of the electric switch bin, the inner wall of the electric switch bin is provided with a ring platform which is flush with the top end of the electric switch bin, and the ring platform is provided with a water retaining ring which extends upwards.
As a preferable technical solution, the fastening device includes an anti-removal bolt for fixing four corners of the top cover on the top end of the electrical switch cabin, an outer circumferential surface of a bolt cap of the anti-removal bolt is a conical surface, and a groove is circumferentially arranged on the conical surface.
By adopting the technical scheme, the movable box type transformer comprises a base, wherein a transformer bin is fixedly installed on the base, a three-phase alternating-current transformer is installed on the base in the transformer bin, and a radiator group which is distributed around the three-phase alternating-current transformer and connected with a shell of the three-phase alternating-current transformer is installed in the transformer bin; a pair of opposite side walls of the transformer bin are provided with fin radiators connected with the radiator groups, and the other pair of opposite side walls of the transformer bin are respectively provided with a high-voltage side junction device and a low-voltage side junction device; the top end of the transformer cabin is hermetically provided with an electric switch cabin, a voltage transformation electric control assembly is arranged in the electric switch cabin, the voltage transformation electric control assembly is arranged on a top plate of the transformer, one side wall of the electric switch cabin is provided with an electric operating device, the top end of the electric switch cabin is provided with a top cover, and a ventilation device and a fastening device are arranged between the top cover and the cabin body of the electric switch cabin; the box-type transformer has the advantages of small volume, light weight, compact structure, convenient installation and replacement and quick replacement.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an internal side view of an electrical switch cabinet according to an embodiment of the present invention;
fig. 3 is an internal plan view of an electrical switch cabinet according to an embodiment of the present invention;
fig. 4 is an internal top view of a transformer capsule according to an embodiment of the present invention;
fig. 5 is an interior side view of an embodiment of the invention;
FIG. 6 is a structural diagram of the anti-dismantling bolt and the special tool of the embodiment of the present invention;
in the figure: 11-a base; 12-a transformer bin; 13-a three-phase alternating current transformer; 14-a radiator group; 21-transverse collector tubes; 22-a standpipe; 23-inner fins; 24-outer fins; 31-high voltage side junction box; 32-a three-phase high-voltage terminal; 33-low voltage side junction box; 34-a three-phase low-voltage terminal; 4-a shutter; 51-an electrical switch bin; 52-transformer high voltage insulator; 53-transformer low voltage insulator; 54-high voltage three-phase vacuum contactor; 55-low voltage three phase vacuum contactor; 56-operation box; 61-a top cover; 62-ventilation long hole; 63-ring platform; 64-a water retaining ring; 7-anti-dismantling bolts; 8-matching wrench.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, the movable box-type transformer comprises a base 11, wherein supporting legs are installed at four corners of the base 11, and a certain distance is reserved between the bottom end surface of the base 11 and the ground, so that the movable box-type transformer is convenient to carry by a forklift; a transformer bin 12 is fixedly installed on the base 11, as shown in fig. 5, a three-phase alternating current transformer 13 is installed on the base 11 in the transformer bin 12, and as shown in fig. 4, a radiator group 14 which is distributed around the three-phase alternating current transformer 13 and connected with a shell of the three-phase alternating current transformer is installed in the transformer bin 12; a pair of opposite side walls of the transformer chamber 12 are provided with fin radiators, each fin radiator comprises two transverse collecting pipes 21 which are connected with the pipelines of the radiator group 14, a plurality of vertical pipes 22 are distributed between the two transverse collecting pipes 21, and a plurality of radiating fins which are arranged in parallel are horizontally sleeved on the vertical pipes 22; as shown in fig. 2, the heat dissipation fins include a fin horizontal portion connected to the vertical tube 22, an inner fin 23 extending obliquely upward is connected to an edge of the fin horizontal portion located inside the transformer chamber 12, and an outer fin 24 extending obliquely downward is connected to an edge of the fin horizontal portion located outside the transformer chamber 12. A high-voltage side wiring device and a low-voltage side wiring device are respectively arranged on the other pair of opposite side walls of the transformer bin 12, as shown in fig. 3, the high-voltage side wiring device comprises a high-voltage side wiring box 31 arranged in the transformer bin 12, a three-phase high-voltage wiring terminal 32 connected with the high-voltage end of the transformer is arranged in the high-voltage side wiring box 31, and the three-phase high-voltage wiring terminal 32 adopts a 10KV high-voltage bushing plug assembly; the opening of the high-voltage side junction box 31 faces outward and is provided with a box door which can be locked with the side wall of the high-voltage side junction box 31. The low-voltage side junction device is including setting up low-voltage side junction box 33 in transformer storehouse 12, install three-phase low-voltage junction terminal 34 of being connected with the low-voltage end of transformer in the low-voltage side junction box 33, the opening of low-voltage side junction box 33 outwards and install can with the chamber door of the lateral wall locking of low-voltage side junction box 33. Two sides of the high-voltage side wiring device and two sides of the low-voltage side wiring device are both provided with shutters 4; shutter 4 includes a plurality of horizontal line parallel arrangement's dustproof ventilating piece, dustproof ventilating piece include both ends all with the ventilating piece that transformer storehouse 12 is connected, the ventilating piece is located the border in transformer storehouse 12 is connected with the interior dustproof piece that extends in the slant, the ventilating piece is located the outer border in transformer storehouse 12 is connected with the outer dustproof piece that extends downwards to the slant. The louver 4 has the same structure as the heat radiating fins.
An electrical switch bin 51 is hermetically installed at the top end of the transformer bin 12, a transformation electrical control assembly is installed in the electrical switch bin 51, the transformation electrical control assembly is installed on the top plate of the transformer, the transformation electrical control assembly comprises a transformer high-voltage insulator 52 and a transformer low-voltage insulator 53 which are installed on the top plate of the transformer, a high-voltage three-phase vacuum contactor 54 which is electrically connected with the transformer high-voltage insulator 52 at the outlet end is also installed on the top plate of the transformer, and the high-voltage three-phase vacuum contactor 54 adopts a 10KV three-phase alternating current vacuum contactor; the inlet wire end of the high-voltage three-phase vacuum contactor 54 is connected with the three-phase high-voltage wiring terminal 32 through a copper bar;
and a low-voltage three-phase vacuum contactor 55 electrically connected with the transformer low-voltage insulator 53 is further installed on the top plate of the transformer. Be provided with electrical operation device on the lateral wall of electrical switch storehouse 51, electrical operation device is including setting up operation box 56 on the bulkhead of electrical switch storehouse 51, install operating button, switch and work pilot lamp in the operation box 56, the opening of operation box 56 outwards and install can with the anti-riot glass door of the lateral wall locking of operation box 56. A top cover 61 is installed at the top end of the electrical switch bin 51, and a ventilation device and a fastening device are arranged between the top cover 61 and the bin body of the electrical switch bin 51.
The ventilation device comprises a ventilation long hole 62 arranged between the top cover 61 and the top end of the electric switch bin 51, a ring platform 63 which is flush with the top end of the electric switch bin 51 is arranged on the inner wall of the electric switch bin 51, and a water retaining ring 64 which extends upwards is arranged on the ring platform 63. As shown in fig. 6, the fastening device includes anti-removal bolts 7 for fixing four corners of the top cover 61 to the top end of the electrical switch cabinet 51, an outer circumferential surface of a bolt cap of the anti-removal bolt 7 is a tapered surface, and a groove is circumferentially provided on the tapered surface.
Supporting legs are installed at four corners of the base 11, a reserved space below the base 11 is used for carrying by a forklift, an oil-immersed three-phase alternating-current transformer is installed on the base 11, the transformer radiator group 14 is arranged on the periphery, a pipeline of the radiator group 14 is connected with the transformer shell, and the heat dissipation area is improved to the maximum extent. Install transformer storehouse 12 main body frame above base 11, wherein the two oppositions fixed mounting fin radiator of frame, the upper and lower horizontal collector pipe 21 and the transformer radiator tube coupling of fin radiator, install a plurality of perpendicular standpipe 22 between the upper and lower horizontal collector pipe 21, a plurality of fins of horizontal suit on the perpendicular standpipe 22, the fin is the structure of falling S-shaped, be the horizontal plane in the middle of the fin cross-section, the certain angle of lateral surface downward sloping, the certain angle of medial surface tilt up, this kind of structure plays rain-proof water effect firstly, on the other hand can prevent certain volume foreign matter to get into in the transformer storehouse 12, this kind of fin structure radiator can further improve transformer radiating effect, simultaneously to the colliding with that causes in the transformer transportation, the fin can play the guard action and avoid directly damaging the cooling pipeline. The louver 4 is fixedly installed on the other two opposite surfaces of the main body frame, the shape of the louver 4 is the same as that of the fins, a high-voltage side wiring box 31 and a low-voltage side wiring box 33 are respectively arranged in the middle of the louver 4, three groups of three-phase high-voltage wiring terminals 32 are arranged in the high-voltage side wiring box 31 and are connected with a power supply high-voltage cable through European T-shaped high-voltage plug heads, three-phase low-voltage wiring terminals 34 are arranged in the low-voltage box and are used for low-voltage power supply cable connection, the high-voltage side wiring box 31 and the low-voltage side wiring box 33 are of independent structures, and a box door.
The electric switch bin 51 is an electric connection insulator on the upper part of the three-phase alternating current transformer 13 and a protection component of an electric switch, the electric switch bin 51 is positioned on the upper part of the transformer bin 12 and is composed of a main body frame and a protection plate, the box body structure is sealed all around, all connection gaps are subjected to waterproof sealing treatment, an operation box 56 is arranged on one side of the box body, an operation button, a switch and a work indicator lamp are installed in the operation box 56, and an explosion-proof glass door of the operation box 56 is provided to facilitate visual observation of the working condition of the box-type transformer. The rear part of the operation box 56 is also provided with a remote communication cabin and a secondary protection cabin, and a remote monitoring communication component and a monitoring control instrument are arranged in the remote communication cabin and the secondary protection cabin.
A high-voltage three-phase vacuum contactor 54 is arranged on the top plate of the transformer beside a high-voltage insulator 52 of the transformer, the wire inlet end of the high-voltage three-phase vacuum contactor 54 is connected with the three groups of three-phase high-voltage wiring terminals 32 on the transformer bin 12 through copper bars, and the wire outlet end of the high-voltage three-phase vacuum contactor 54 is connected with the high-voltage insulator 52 of the transformer; the low-voltage three-phase vacuum contactor 55 is installed beside the transformer low-voltage insulator 53, the transformer low-voltage insulator 53 is respectively connected with the wire inlet end of the low-voltage three-phase vacuum contactor 55 through a copper bar, the wire outlet end of the low-voltage three-phase vacuum contactor 55 is connected with the three-phase low-voltage wiring terminal 34 assembly on the low-voltage side of the transformer cabin 12 through the copper bar, and the neutral wire is connected with the neutral wire wiring terminal assembly on the low-voltage side of the transformer cabin 12 through the copper.
The high-voltage side and the low-voltage side of the transformer are respectively provided with a current transformer and a voltage transformer, and a secondary protection device of the transformer is also arranged and is used for differential, overcurrent, quick-break, overtemperature, overvoltage and gas protection of the transformer; the upper part of the electric switch bin 51 is provided with a top cover 61, the upper end of the electric switch bin 51 is opened and is provided with a water retaining ring 64, the four vertical surfaces of the top cover 61 and the top end of the electric switch bin 51 are provided with ventilation long holes 62, cooling air enters the transformer bin 12 from fin radiators and shutters 4 around the transformer bin 12 to cool the radiators, and air rises under the action of air convection and is discharged from the ventilation long holes 62 around the top cover 61, so that the transformer and the electric switch are cooled, and rainwater cannot enter the electric switch bin 51 due to the action of the water retaining ring 64 on the electric switch bin 51.
This remove box transformer has small, light in weight, and compact structure, installation are changed conveniently, for quick replacement formula removes box transformer, still support and be equipped with remote monitoring, location, communication module, and remote alarm when breaking down reduces the trouble power off time with the whole quick replacement of box transformer that breaks down, and the box transformer that breaks down transports back to the factory and overhauls.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Remove box transformer, its characterized in that: the transformer comprises a base, wherein a transformer bin is fixedly installed on the base, a three-phase alternating-current transformer is installed on the base in the transformer bin, and a radiator group which is distributed around the three-phase alternating-current transformer and connected with a shell of the three-phase alternating-current transformer is installed in the transformer bin; a pair of opposite side walls of the transformer bin are provided with fin radiators connected with the radiator groups, and the other pair of opposite side walls of the transformer bin are respectively provided with a high-voltage side junction device and a low-voltage side junction device;
the top end of the transformer cabin is hermetically provided with an electric switch cabin, a variable-voltage electric control assembly is installed in the electric switch cabin, the variable-voltage electric control assembly is installed on a top plate of the transformer, an electric operating device is arranged on one side wall of the electric switch cabin, a top cover is installed at the top end of the electric switch cabin, and a ventilation device and a fastening device are arranged between the top cover and a cabin body of the electric switch cabin.
2. The mobile box transformer of claim 1, wherein: the fin radiator comprises two transverse collecting pipes which are connected with the pipeline of the radiator group, a plurality of vertical pipes are distributed and mounted between the two transverse collecting pipes, and a plurality of radiating fins which are arranged in parallel are horizontally sleeved on the vertical pipes.
3. The mobile box transformer of claim 2, wherein: the heat dissipation fins comprise fin horizontal parts connected with the vertical pipes, inner fins extending obliquely upwards are connected to the edges, located in the transformer cabin, of the fin horizontal parts, and outer fins extending obliquely downwards are connected to the edges, located outside the transformer cabin, of the fin horizontal parts.
4. The mobile box transformer of claim 1, wherein: high pressure side junction device with low pressure side junction device's both sides all are provided with the shutter, the shutter includes a plurality of horizontal line parallel arrangement's dustproof ventilation piece, dustproof ventilation piece include both ends all with the ventilation piece that the transformer storehouse is connected, the ventilation piece is located border in the transformer storehouse is connected with the interior dustproof piece that extends in the slant, the ventilation piece is located the outer dustproof piece that the outer border in transformer storehouse is connected with the slant and extends down.
5. The mobile box transformer of claim 1, wherein: high-voltage side junction device is including setting up high-voltage side junction box in the transformer storehouse, install three-phase high-voltage junction terminal in the high-voltage side junction box, three-phase high-voltage junction terminal pass through european style T type high pressure plug head with the power supply high tension cable of transformer is connected, the opening of high-voltage side junction box outwards and install can with the chamber door of the lateral wall locking of high-voltage side junction box.
6. The mobile box transformer of claim 1, wherein: the low-voltage side junction device comprises a low-voltage side junction box arranged in the transformer bin, a three-phase low-voltage junction box connected with a low-voltage power supply cable of the transformer is installed in the low-voltage side junction box, and a box door capable of being locked with the side wall of the low-voltage side junction box is installed outwards through the opening of the low-voltage side junction box.
7. The mobile box transformer of claim 1, wherein: the transformation electric control assembly comprises a transformer high-voltage insulator and a transformer low-voltage insulator which are arranged on a transformer top plate, a high-voltage three-phase vacuum contactor is further arranged on the transformer top plate, the wire inlet end of the high-voltage three-phase vacuum contactor is connected with the high-voltage side junction device through a copper bar, and the wire outlet end of the high-voltage three-phase vacuum contactor is electrically connected with the transformer high-voltage insulator through a copper bar;
the transformer top plate is also provided with a low-voltage three-phase vacuum contactor, the wire inlet end of the low-voltage three-phase vacuum contactor is connected with the low-voltage three-phase insulator through a copper bar, and the wire outlet end of the low-voltage three-phase vacuum contactor is connected with the low-voltage side junction device through a copper bar.
8. The mobile box transformer of claim 1, wherein: the electric operating device comprises an operating box arranged in the electric switch bin, an operating button, a switch and a working indicator lamp are arranged in the operating box, and an anti-explosion glass door which can be locked with the side wall of the operating box is arranged outwards and at the opening of the operating box.
9. The mobile box transformer of claim 1, wherein: the ventilation device comprises a ventilation long hole arranged between the top cover and the top end of the electric switch bin, a ring platform which is flush with the top end of the electric switch bin is arranged on the inner wall of the electric switch bin, and a water retaining ring which extends upwards is arranged on the ring platform.
10. The mobile box transformer of any one of claims 1 to 9, wherein: the fastening device comprises anti-dismantling bolts for fixing four corners of the top cover on the top end of the electrical switch bin, the outer peripheral surface of a bolt cap of each anti-dismantling bolt is a conical surface, and grooves are circumferentially arranged on the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051159.0U CN210039871U (en) | 2019-07-05 | 2019-07-05 | Movable box type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921051159.0U CN210039871U (en) | 2019-07-05 | 2019-07-05 | Movable box type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN210039871U true CN210039871U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921051159.0U Active CN210039871U (en) | 2019-07-05 | 2019-07-05 | Movable box type transformer |
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| Country | Link |
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| CN (1) | CN210039871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211775A (en) * | 2019-07-05 | 2019-09-06 | 山东电亮亮信息科技有限公司 | Mobile box type transformer |
-
2019
- 2019-07-05 CN CN201921051159.0U patent/CN210039871U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211775A (en) * | 2019-07-05 | 2019-09-06 | 山东电亮亮信息科技有限公司 | Mobile box type transformer |
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