CN216251885U - Prefabricated substation shell beneficial to SVG heat dissipation - Google Patents

Abstract

The utility model discloses a preassembled transformer substation shell beneficial to SVG heat dissipation, which comprises a box body, wherein foundation bolts are arranged at the bottom of the box body, a box body door is arranged on the side surface of the box body, and a door lock is arranged on the box body door; the box body is divided into three parts, namely a power transformer box arranged on one side of the box body; a high-voltage cabinet body box and a low-voltage cabinet body box are arranged in the center of the box body; the high-voltage cabinet body box and the low-voltage cabinet body box respectively account for half and are separated by a partition; an overhaul channel and an SVG low-voltage static var generator box are arranged on the other side of the box body; the maintenance channel is arranged at one side close to the high-voltage cabinet body box, the top of the box body is provided with a box top, a box ceiling lifting rod is arranged on the box top, and an uninterrupted power supply box is arranged between the low-voltage cabinet body box and the SVG low-voltage static var generator box; the problem of current SVG prepackage type transformer substation heat dissipation not good is solved.

Description

Prefabricated substation shell beneficial to SVG heat dissipation

Technical Field

The utility model relates to the technical field of power transformation equipment, in particular to a preassembled transformer substation shell beneficial to SVG heat dissipation.

Background

The prefabricated substation has small volume, small occupied area, light weight, low cost and reliability, and is called a box type transformer or a prefabricated substation. In the design of the pre-installed substation, because the power transformer, the high-low voltage cabinet and various wiring devices are pre-installed in the pre-installed substation, and the power transformer is in a long-time working process, a large amount of heat is easily generated, if the heat is not dissipated, the heat can seriously damage the internal devices and the power, even spontaneous combustion is generated at high temperature to damage the devices, and therefore the devices must dissipate the heat. Another source of heat from pre-installed substations is heat generated in the outside solar air.

The pre-installed transformer substation for the new energy charging station is equipment for providing power for charging piles, and main loads in a new energy charging pile power distribution equipment system are lithium battery charging piles with filtering control loops. When the SVG works, devices can generate heat and heat due to power loss, and the most important heating component is an IGBT power module. With the development of the IGBT chip technology, the size of the IGBT is made smaller and smaller, but the power consumption is larger and larger, and the heat flux density is also greatly improved. The over-high temperature of the components can shorten the service life of the components, and even can cause burning in severe cases, which is the main reason for limiting the current and voltage capacity of the power electronic devices. Although the failure of electronic components is affected by many factors, the most significant factor is temperature. Therefore, the cooling problem of the SVG must be considered in the use process so as to prolong the service life of the SVG and reduce the failure rate of the SVG. How to radiate the heat of the SVG becomes a difficult problem of ensuring the normal operation of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a preassembled transformer substation shell beneficial to heat dissipation, and solves the problem that the existing SVG preassembled transformer substation is poor in heat dissipation.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a preassembled transformer substation shell beneficial to SVG heat dissipation comprises a box body, wherein foundation bolts are arranged at the bottom of the box body, a box body door is arranged on the side face of the box body, and a door lock is arranged on the box body door; the box body is divided into three parts, namely a power transformer box arranged on one side of the box body; a high-voltage cabinet body box and a low-voltage cabinet body box are arranged in the center of the box body; the high-voltage cabinet body box and the low-voltage cabinet body box respectively account for half and are separated by a partition; an overhaul channel and an SVG low-voltage static var generator box are arranged on the other side of the box body; the access way is arranged on one side close to the high-voltage cabinet body box, the top of the box body is provided with a box top, a box ceiling lifting rod is arranged on the box top, and an uninterrupted power supply box is arranged between the low-voltage cabinet body box and the SVG low-voltage static var generator box.

Furthermore, a heat dissipation fan port is arranged on a box body door on one side of the power transformer box, and a heat dissipation fan is arranged in the heat dissipation fan port and connected to the uninterruptible power supply box; the box body door on one side of the access passage is provided with the same heat dissipation fan port, and a heat dissipation fan is arranged in the heat dissipation fan port and connected to the uninterruptible power supply box.

Further, transformer and SVG equipment are installed respectively in the power transformer case and the SVG low pressure static var generator case at box both ends.

Furthermore, the box top is of a multilayer structure, the box top is of a metal frame, the metal frame is sequentially filled with SMC composite materials, a mud mixing layer and a first heat insulation layer from top to bottom, and the back plate of the metal frame body is filled with the first heat insulation layer.

Furthermore, the box body door is provided with a heat insulation layer on the outer side of the metal layer, and a wood plate is embedded on the heat insulation layer.

Furthermore, the partition is a metal frame, the center of the metal frame is filled with cement partition, and the two outer sides of the metal frame are provided with heat insulation layers.

Compared with the prior art, the utility model has the beneficial effects that:

in this device, with two biggest heat sources in the prepackage type transformer substation: transformer and SVG equipment are installed respectively in the box both ends, make its heat dispersion, arrange into "L" type with the low-voltage chamber, low pressure inlet wire cabinet and feeder cabinet single face operation, and the SVG cabinet is two-sided to open the door, and the maintenance passageway is arranged in SVG cabinet rear, makes it have bigger heat dissipation space, installs cooling fan additional on SVG cabinet back door and the outdoor chamber door of maintenance passageway, does benefit to the SVG heat dissipation. UPS arranges in the below of low pressure feeder cabinet and SVG cabinet generating line shrouding, make full use of the space in the prepackage type transformer substation, has solved the current not good problem of SVG prepackage type transformer substation heat dissipation.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of the interior of the present invention.

Fig. 3 is a side view of the present invention.

FIG. 4 is a schematic view of the top layer structure of the box of the present invention.

Fig. 5 is a schematic view of a door layer structure of the present invention.

FIG. 6 is a schematic view of a partition layer structure according to the present invention

In the drawing, a box body (1), foundation bolts (2), a door lock (3), a box body ceiling lifting rod (4), a high-voltage cabinet body box (5), a low-voltage cabinet body box (6), an overhaul channel (7), a power transformer box (8), a box top (9), a partition (10), an uninterruptible power supply box (11), an SVG low-voltage static var generator box (12), a cooling fan port (13), an SMC composite material (91), a mud-mixed soil layer (92), a first heat insulation layer (93), a metal frame (94), a second heat insulation layer (95), a metal layer (111), a heat insulation layer (112), a wood plate (113), a cement partition (101), a heat insulation layer (102) and a metal frame (103).

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1:

as shown in the figure, the preassembled transformer substation shell beneficial to SVG heat dissipation comprises a box body 1, foundation bolts 2 are arranged at the bottom of the box body 1 and used for fastening the box body, a box body door is arranged on the side face of the box body 1, and a door lock 3 is arranged on the box body door and used for opening and closing the box body. In this device, make things convenient for other parts subregion management in the box, box 1 sets up to three subsection, includes and is provided with power transformer case 8 in one side of box 1 and places power transformer. A high-voltage cabinet body box 5 and a low-voltage cabinet body box 6 are arranged in the center of the box body 1, a 10kv outgoing line cabinet, a 10kv metering cabinet and a 10kv incoming line cabinet are arranged in the high-voltage cabinet body box 5, corresponding electrical components are arranged in the cabinets, a low-voltage feeder cabinet and a low-voltage incoming line cabinet are arranged in the low-voltage cabinet body box 6, and corresponding electrical components are arranged in the cabinets; the high-pressure cabinet box 5 and the low-pressure cabinet box 6 respectively account for half and are separated by a partition 10. An overhaul channel 7 and an SVG low-voltage static var generator box 12 are arranged on the other side of the box body 1; the service passage 7 is arranged at one side close to the high-voltage cabinet body box 5. The top of the box body 1 is provided with a box top 9, the box top 9 is provided with a box ceiling lifting rod 4, and an uninterrupted power supply box 11 is arranged between the low-voltage cabinet body box 6 and the SVG low-voltage static var generator box 12. In the device, in order to facilitate heat dissipation, a heat dissipation fan port 13 is arranged on a box body door on one side of a power transformer box 8, and a heat dissipation fan is arranged in the heat dissipation fan port 13 and connected to an uninterruptible power supply box 11; the box body door on one side of the access passage 7 is provided with the same heat dissipation fan port, and a heat dissipation fan is arranged in the heat dissipation fan port and connected to the uninterruptible power supply box 11. In this device, with two biggest heat sources in the prepackage type transformer substation: the transformer and the SVG equipment are respectively arranged at two ends of the box body, so that heat of the box body is dispersed. Arrange into "L" type with the low-voltage chamber, low pressure inlet wire cabinet and feeder cabinet single face operation, the SVG cabinet is two-sided to open the door, and the maintenance passageway is arranged in SVG cabinet rear, makes it have bigger heat dissipation space. Install cooling fan additional on SVG cabinet back door and the outdoor chamber door of access way, do benefit to the SVG heat dissipation. UPS arranges in the below of low pressure feeder cabinet and SVG cabinet generating line shrouding, make full use of the space in the prepackage type transformer substation.

Example 2:

on the basis of the above embodiment, in order to better dissipate heat, in this embodiment, the device performs heat insulation treatment on the partitions of the box cover and the box body, specifically, the box top 9 is set to be a multilayer structure, the box top 9 is set to be a metal frame 94, the metal frame 94 is sequentially filled with the SMC composite material 91, the muddy soil layer 92 and the first heat insulation layer 93 from top to bottom, and the first heat insulation layer 93 is filled in the back plate of the frame body of the metal frame 94. The metal frame 9 is the most whole supporting frame, the SMC composite material 91 at the outermost side is anti-aging, anti-corrosion, cold-resistant and flame-retardant, the performance of the whole SMC composite material is improved as the outer side, meanwhile, the mixed mud layer 92 isolates heat generated by external sunlight and the like from entering the inner side, meanwhile, in order to avoid mutual heat conduction, heat insulation layers 93 are arranged at the inner side and the outer side of the metal frame 94, the heat insulation layers 93 can be made of heat insulation materials such as glass fiber, asbestos, rock wool, silicate and the like, and finally the heat insulation plates are combined to form a heat insulation plate, so that the heat at the outer side is isolated from entering equipment. The box body door is arranged to be a metal layer 111, a heat insulation layer 112 is arranged on the outer side of the box body door, a wood plate 113 is embedded on the heat insulation layer 112, the cabinet door is decorated by the wood plate 113 to form a landscape-shaped cabinet body, and meanwhile, the box body door also plays a role in heat insulation.

The partition 10 is a metal frame 103, a cement partition 101 is filled in the center of the metal frame 103, heat insulation layers 102 are arranged on two outer sides of the metal frame 103 to separate parts mainly generating heat, meanwhile, a fan on a cabinet door is used for assisting in discharging heat inside, and finally, the whole equipment is cooled by heat dissipation.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a do benefit to radiating prepackage type transformer substation shell of SVG which characterized in that: the box body is characterized by comprising a box body (1), wherein foundation bolts (2) are arranged at the bottom of the box body (1), a box body door is arranged on the side face of the box body, and a door lock (3) is arranged on the box body door; the box body (1) is arranged into three subsections, namely a power transformer box (8) arranged on one side of the box body (1); a high-voltage cabinet body box (5) and a low-voltage cabinet body box (6) are arranged in the center of the box body (1); the high-voltage cabinet body box (5) and the low-voltage cabinet body box (6) respectively account for half and are separated by a partition (10); an overhaul channel (7) and an SVG low-voltage static var generator box (12) are arranged on the other side of the box body (1); the maintenance passage (7) is arranged on one side close to the high-voltage cabinet body box (5), the top of the box body (1) is provided with a box top (9), the box top (9) is provided with a box ceiling lifting rod (4), and an uninterrupted power supply box (11) is arranged between the low-voltage cabinet body box (6) and the SVG low-voltage static var generator box (12).

2. The preassembled transformer substation shell facilitating SVG heat dissipation of claim 1, wherein: a heat dissipation fan port (13) is arranged on a box body door on one side of the power transformer box (8), and a heat dissipation fan connected to the uninterruptible power supply box (11) is arranged in the heat dissipation fan port (13); the box body door on one side of the access passage (7) is provided with the same heat dissipation fan port, and a heat dissipation fan is arranged in the heat dissipation fan port and connected to the uninterruptible power supply box (11).

3. The preassembled transformer substation shell facilitating SVG heat dissipation of claim 1, wherein: the transformer and the SVG equipment are respectively installed in a power transformer box (8) and an SVG low-voltage static var generator box (12) at two ends of the box body.

4. The preassembled transformer substation shell facilitating SVG heat dissipation of claim 1, wherein: the box top (9) is of a multilayer structure, the box top (9) is of a metal frame (94), the metal frame (94) is sequentially filled with SMC composite materials (91), a mud mixing soil layer (92) and a first heat insulation layer (93) from top to bottom, and the first heat insulation layer (93) is filled in the back plate of the frame body of the metal frame (94).

5. The preassembled transformer substation shell facilitating SVG heat dissipation of claim 1, wherein: the box body door is characterized in that a heat insulation layer (112) is arranged on the outer side of the metal layer (111), and a wood plate (113) is embedded on the heat insulation layer (112).

6. The preassembled transformer substation shell facilitating SVG heat dissipation of claim 1, wherein: the partition (10) is a metal frame (103), a cement partition (101) is filled in the center of the metal frame (103), and heat insulation layers (102) are arranged on the two outer sides of the metal frame (103).

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