CN214379687U - Miniaturized prefabricated substation - Google Patents

Abstract

The utility model discloses a miniaturized prefabricated substation, which comprises a high-voltage cabinet, a transformer, a low-voltage cabinet, a heat dissipation fan and a frame body; the frame body comprises a base, a protection plate and a frame body, the frame body comprises a high-pressure frame body, a transformation frame body and a low-pressure frame body, the high-pressure frame body, the transformation frame body and the low-pressure frame body are sequentially arranged on the base along the longitudinal direction, and the high-pressure frame body and the low-pressure frame body are respectively arranged on two sides of the transformation frame body; a protection plate is arranged between the base and the frame body, a ventilation hole area is arranged on the protection plate corresponding to the installation area of the transformation frame body, and the heat radiation fan is arranged on the top surface of the transformation frame body; the high-voltage frame, the transformation frame and the low-voltage frame are internally provided with a high-voltage cabinet, a transformer and a low-voltage cabinet respectively. The utility model discloses press the region with the support body and fall into base, high-pressure support body, vary voltage support body and low pressure support body, each part weight is lighter, does benefit to the installation and dismantles.

Description

Miniaturized prefabricated substation

Technical Field

The utility model relates to a distribution technical field, especially a miniaturized prepackage type transformer substation.

Background

The urban rail transit construction in China has huge growing space, and the development of the shield machine is certainly driven along with the development of a series of industries such as railways, road construction, hydraulic industry and military industry. The shield machine is a tunnel boring machine using a shield method, and the shield machine box transformer substation is a power distribution device for providing support for shield machine operation. The shield machine box transformer substation works in the tunnel, and the space inside the tunnel is narrow, so that the shield machine box transformer substation is required to have the characteristics of compact structure and convenience for field maintenance on the premise of safe and reliable operation. At present, the preassembled transformer substation in the prior art is fixedly installed on a preset foundation and generally adopts an integral frame structure, but the preassembled transformer substation is heavy in weight, difficult to carry and inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a miniaturized prepackage type transformer substation to above-mentioned problem, falls into base, high-pressure support body, vary voltage support body and low pressure support body with the support body according to the region, and each part weight is lighter, does benefit to installation and dismantlement.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a miniaturized prefabricated substation comprises a high-voltage cabinet, a transformer, a low-voltage cabinet, a cooling fan and a frame body; the frame body comprises a base, a protection plate and a frame body, the frame body comprises a high-pressure frame body, a transformation frame body and a low-pressure frame body, the high-pressure frame body, the transformation frame body and the low-pressure frame body are sequentially arranged on the base along the longitudinal direction, and the high-pressure frame body and the low-pressure frame body are respectively arranged on two sides of the transformation frame body; a protection plate is arranged between the base and the frame body, a ventilation hole area is arranged on the protection plate corresponding to the installation area of the transformation frame body, and the heat radiation fan is arranged on the top surface of the transformation frame body; the high-voltage frame, the transformation frame and the low-voltage frame are internally provided with a high-voltage cabinet, a transformer and a low-voltage cabinet respectively; the low-voltage cabinet includes capacitor box and wiring cabinet, and the capacitor box is installed in the one side that is close to the vary voltage framework in the low-voltage framework, and capacitor box and wiring cabinet all are in the cabinet front side in the low-voltage framework for the cabinet rear side in the low-voltage framework forms and maintains the passageway.

The high-voltage frame body comprises a high-voltage frame body, a cover plate I, a sealing plate I and a cabinet door I, the high-voltage cabinet is installed on the high-voltage frame body, the cabinet door I is installed on the front side of the cabinet of the high-voltage frame body, the cover plate I is installed on the top surface of the high-voltage frame body, and the sealing plate I is installed on the rear side of the cabinet of the high-voltage frame body and on the side of the cabinet far away from the variable-voltage frame body. The transformer framework comprises a transformer framework, a cover plate II and a sealing plate II, the transformer is arranged on the transformer framework, the cover plate II is arranged on the top surface of the transformer framework, and the sealing plates II are arranged on the front side and the rear side of the high-voltage framework; and a heat radiation fan is arranged on the cover plate II. The low-voltage frame body comprises a low-voltage frame body, a cover plate III, a sealing plate III and a cabinet door II, the low-voltage cabinet is installed on the low-voltage frame body, the cabinet door II is installed on the front side of the low-voltage frame body, the cover plate III is installed on the top surface of the low-voltage frame body, and the sealing plate III is installed on the rear side of the cabinet of the low-voltage frame body and on the side of the cabinet far away from the variable-voltage frame body. For example, the high-voltage cabinet, the transformer, the low-voltage cabinet and other devices are installed on the frame in a bolt connection mode, the frame is used as a support to be stably connected and supported, the frame is externally provided with a sealing plate in a bolt connection mode, and the like to form a closed box body structure so as to isolate the devices, and meanwhile, the cabinet door is configured to facilitate maintenance of frequently-disassembled and easily-damaged areas.

As an option, the base is provided with lifting lugs for hoisting, at least 2 groups of lifting lugs are uniformly distributed on the front side and the rear side of the cabinet of the base, and the lifting lugs can extend outwards or be recycled relative to the base. Therefore, the transformer substation can be stably hoisted by utilizing the lifting lugs in combination with the lifting appliance; during hoisting, the waterproof canvas can be covered outside the transformer substation, and then the hoisting is carried out by using the hoisting tool; simultaneously, can stretch out or retrieve the structure, be convenient for when hoist and mount overhanging, and retrieve after accomplishing the hoist and mount and accomodate.

As an option, the lifting lug includes a cover body and 2 screw rod pieces, the cover body is transversely arranged on the base, and the 2 screw rod pieces respectively transversely penetrate through the base and are in threaded connection with two ends of the cover body. So, can realize the extending structure of lug, utilize threaded connection structure to inject moreover, prevent that it from taking place the displacement at hoist and mount process.

As an option, the end parts of the two longitudinal ends of the base are provided with traction plates, and the traction plates are provided with traction holes. Therefore, when the device is installed, the device is convenient to hang in the traction hole for traction by combining the traction device.

As an option, the base comprises a cross beam and a longitudinal beam, and the cross beams and the longitudinal beam are connected transversely and longitudinally to form the base; and the crossbeam and the longitudinal beam at the periphery all adopt channel steel or H-shaped steel, the notch orientation of the crossbeam and the longitudinal beam are all outwards arranged, the lifting lugs are arranged in the notches of the longitudinal beams, and the traction plates are arranged in the notches of the crossbeam. The traction plate is arranged in the groove, so that three surfaces are welded and connected more stably, and a bulge is prevented from being formed at the mounting position; the lifting lugs are arranged in the grooves, so that the structure is compact, and better recovery and storage are facilitated.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a miniaturized prepackage type transformer substation divides the support body into base, high-pressure support body, vary voltage support body and low pressure support body according to the region, and each part weight is lighter, does benefit to installation and dismantlement; the high-voltage frame body, the variable-voltage frame body and the low-voltage frame body are laterally contacted and fixed with each other, the bottom ends of the high-voltage frame body, the variable-voltage frame body and the low-voltage frame body are fixed on the base, and the high-voltage frame body, the variable-voltage frame body and the low-voltage frame body are provided with a horizontal connecting surface and a vertical connecting surface to ensure the stability of the frame body; meanwhile, a maintenance channel is arranged in the low-voltage frame body so as to maintain the low-voltage cabinet in the low-voltage frame body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view from another perspective of fig. 1.

Fig. 3 is a schematic view of a partial structure of the present invention.

Fig. 4 is a schematic view of fig. 3 from another perspective.

Fig. 5 is a partially enlarged schematic view of fig. 4.

Fig. 6 is a schematic view of the frame structure of the present invention.

Fig. 7 is a partially enlarged schematic view of fig. 6.

Fig. 8 is another partially enlarged schematic view of fig. 6.

Fig. 9 is a further enlarged partial schematic view of fig. 6.

Fig. 10 is another perspective view of fig. 6.

Fig. 11 is a schematic structural diagram of an example of the base of the present invention.

Fig. 12 is a schematic top view of another example of the base according to the present invention.

Fig. 13 is a side partial schematic view of fig. 12.

Fig. 14 is a left side schematic view of fig. 13.

Fig. 15 is a schematic top view of the present invention.

In the drawing, the device comprises a base 1, a base 2, a high-voltage frame 3, a transformation frame 4, a low-voltage frame 5, a protection plate 101, a high-voltage cabinet 102, a transformer I103, a transformer II 104, a capacitor cabinet 105, a wiring cabinet 11, a screw rod piece 12, a sleeve body 13 and a traction plate.

Detailed Description

Examples

Referring to fig. 1, x is defined as the transverse direction, y is defined as the longitudinal direction, xy is the horizontal direction, z is defined as the vertical direction, and the front side and the rear side of the cabinet are the two sides of the transverse direction (x direction).

Referring to fig. 1 to 11, the miniaturized preassembled transformer substation of the present embodiment includes a high-voltage cabinet 101, a transformer, a low-voltage cabinet, a heat dissipation fan, and a frame body; the frame body comprises a base 1, a protection plate 5 and a frame body, the frame body comprises a high-pressure frame body 2, a transformation frame body 3 and a low-pressure frame body 4, the high-pressure frame body 2, the transformation frame body 3 and the low-pressure frame body 4 are sequentially arranged on the base 1 along the longitudinal direction, and the high-pressure frame body 2 and the low-pressure frame body 4 are respectively arranged on two sides of the transformation frame body 3; a protection plate 5 is arranged between the base 1 and the frame body, a ventilation hole area is arranged on the protection plate 5 corresponding to the installation area of the transformation frame body, and a heat radiation fan is installed on the top surface of the transformation frame body; the high-voltage cabinet 101, the transformer and the low-voltage cabinet are respectively arranged in the high-voltage frame body 2, the transformation frame body 3 and the low-voltage frame body 4; the low-voltage cabinet includes electric capacity cabinet 104 and wiring cabinet 105, and electric capacity cabinet installs in the one side that is close to the vary voltage framework in the low-voltage framework, and electric capacity cabinet and wiring cabinet all are in the cabinet front side in the low-voltage framework for the cabinet rear side in the low-voltage framework forms and maintains the passageway.

The high-voltage frame body comprises a high-voltage frame body, a cover plate I, a sealing plate I and a cabinet door I, the high-voltage cabinet is installed on the high-voltage frame body, the cabinet door I is installed on the front side of the cabinet of the high-voltage frame body, the cover plate I is installed on the top surface of the high-voltage frame body, and the sealing plate I is installed on the rear side of the cabinet of the high-voltage frame body and on the side of the cabinet far away from the variable-voltage frame body. The transformer framework comprises a transformer framework, a cover plate II and a sealing plate II, the transformer is arranged on the transformer framework, the cover plate II is arranged on the top surface of the transformer framework, and the sealing plates II are arranged on the front side and the rear side of the high-voltage framework; and a heat radiation fan is arranged on the cover plate II. The low-voltage frame body comprises a low-voltage frame body, a cover plate III, a sealing plate III and a cabinet door II, the low-voltage cabinet is installed on the low-voltage frame body, the cabinet door II is installed on the front side of the low-voltage frame body, the cover plate III is installed on the top surface of the low-voltage frame body, and the sealing plate III is installed on the rear side of the cabinet of the low-voltage frame body and on the side of the cabinet far away from the variable-voltage frame body. Therefore, the high-voltage cabinet, the transformer, the low-voltage cabinet and other devices are installed on the frame in a bolt connection mode, the frame is used as a support to be stably connected and supported, the frame is externally provided with the sealing plate and the like in a bolt connection mode to form a closed box body structure, the devices are isolated, and meanwhile, the cabinet door is configured to facilitate maintenance of frequent disassembly and assembly and vulnerable areas.

The transformer includes transformer I102 and transformer II 103, for example 800kVA transformer and 1250kVA transformer, and at this moment, adopt the division board in the transformation framework 3 to separate it into two transformation rooms, the top of division board sets up the wiring mouth, and the bottom of division board sets up the intercommunication mouth, can communicate the air, can regard as a sharing mounted position when the device hot plate is dampproofing moreover, provides the utilization efficiency.

The bottom of a sealing plate on one longitudinal side of the high-voltage cabinet body is provided with a high-voltage wiring hole so as to correspond to the high-voltage cabinet wiring hole, and an output line of the high-voltage cabinet body is connected to a transformer wiring bar through the top of the other longitudinal side of the high-voltage cabinet wiring hole. The top of the transformer is also provided with a low-voltage line bank to be connected to the bottom of the low-voltage frame body, and if the height of the transformer frame body is shorter, the shielding frame can be configured to shield the low-voltage line bank. The protective plate area in the low-pressure frame body can be provided with an air inlet hole area, and the top of the cabinet rear side sealing plate is provided with a low-pressure exhaust fan so as to exhaust air and dissipate heat in the low-pressure area.

The base comprises a cross beam and a longitudinal beam, and a plurality of cross beams and longitudinal beams are connected in a transverse and longitudinal mode to form the base; for example, two cross members and two side members are welded together, and a reinforcing cross member is disposed. The frames such as the high-voltage frame, the transformation frame and the like can adopt a rectangular structure formed by welding channel steel or square steel pipes, corresponding parameters are configured according to the sizes of a high-voltage cabinet, a transformer and the like, mounting holes are respectively formed in the frames such as the high-voltage frame, the transformation frame and the like, then the frames are mounted and fixed in pairs in a bolt connection mode (bolts are matched with nuts) in the lateral direction, and the bottom ends of the frames are mounted and fixed on the base in a bolt connection mode. The closure plates (closure plates I, II and III) and the cabinet doors (cabinet doors I, II and III) may be made of sheet metal and provided with locks for locking. The protection plate can be made of sheet metal and can be integrated or arranged in a section corresponding to each high-pressure frame body, each low-pressure frame body and each transformation frame body. The heat dissipation fan can adopt a centrifugal fan, the high-voltage cabinet can adopt a ring main unit scheme, the transformer is fixed by bolts through the side edges, and the low-voltage cabinet adopts a fixed cabinet which is provided with copper bars, capacitors and the like. As mentioned above, the high-voltage cabinet, the transformer, the low-voltage cabinet, and the like are all implemented by using the existing technology, and are not described herein again.

As mentioned above, the frame body is divided into a base, a high-pressure frame body, a transformation frame body and a low-pressure frame body according to regions, the detachable connection is realized by adopting bolts, the weight of each part is lighter, and even the manual lifting can be directly carried out, thereby being beneficial to the installation and the detachment; the high-voltage frame body, the voltage transformation frame body and the low-voltage frame body are laterally contacted with each other and are horizontally penetrated and fixed by bolts, the bottom ends of the high-voltage frame body, the voltage transformation frame body and the low-voltage frame body are vertically penetrated and fixed on the base by the bolts, and the high-voltage frame body, the voltage transformation frame body and the low-voltage frame body are provided with a horizontal connecting surface and a vertical connecting surface which are limited and connected with each other in the horizontal direction and the vertical direction so as to ensure the stability of the frame body; meanwhile, a maintenance channel is arranged in the low-voltage frame body so as to maintain the low-voltage cabinet in the low-voltage frame body.

Referring to fig. 12-14, as an option, on the basis of the foregoing example, in this example, lifting lugs for hoisting are provided on the base, at least 2 groups of lifting lugs are uniformly distributed on the cabinet front side and the cabinet rear side of the base, and the lifting lugs can be extended outwards or retracted outwards relative to the base. Therefore, the transformer substation can be stably hoisted by utilizing the lifting lugs in combination with the lifting appliance; during hoisting, the waterproof canvas can be covered outside the transformer substation, and then the hoisting is carried out by using the hoisting tool; simultaneously, can stretch out or retrieve the structure, be convenient for when hoist and mount overhanging, and retrieve after accomplishing the hoist and mount and accomodate.

As an option, in a preferred embodiment, the lifting lug includes a sheath 12 and 2 screw members 11, the sheath is transversely disposed on the base, and the 2 screw members respectively transversely penetrate through the base and are in threaded connection with two ends of the sheath. So, can realize the extending structure of lug, utilize threaded connection structure to inject moreover, prevent that it from taking place the displacement at hoist and mount process. In a preferred embodiment, the cross beam and the longitudinal beam which are positioned at the periphery are both made of channel steel or H-shaped steel, the notches of the cross beam and the longitudinal beam are outwards arranged, and the lifting lugs are arranged in the notches of the longitudinal beam; the screw rod piece is arranged in the groove, so that the structure is compact, and better recovery and storage are facilitated. Of course, the telescopic connection can be realized by adopting the rod piece sliding connection, the telescopic connection can be realized by adopting the rod piece hinged connection, and the like. Wherein, the end of the screw rod or the rod piece is provided with a bolt head structure to be clamped on the lifting hook.

As an option, in a preferred example, the ends of both longitudinal ends of the base are provided with traction plates 13, and the traction plates are provided with traction holes. Therefore, when the device is installed, the device is convenient to hang in the traction hole for traction by combining the traction device. In a preferred embodiment, the cross beam and the longitudinal beam which are positioned at the periphery are both made of channel steel or H-shaped steel, the notch directions of the cross beam and the longitudinal beam are both arranged outwards, and the traction plate is arranged in the notch of the cross beam; the traction plate is arranged in the groove, so that three sides are welded and connected more stably, and the protrusion formed at the mounting position is avoided.

Referring to fig. 15, an example of the substation size parameter is given, wherein the part size parameter is given in mm.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, when referring to the orientation or positional relationship shown in the drawings, are only used for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated.

The above description is intended to illustrate and describe the preferred embodiments of the invention, but not to limit the scope of the invention, and all equivalent changes and modifications made in accordance with the teachings of the present invention are intended to be covered by the present invention.

Claims (8)

1. The utility model provides a miniaturized prepackage type transformer substation which characterized in that: comprises a high-voltage cabinet, a transformer, a low-voltage cabinet, a cooling fan and a frame body; the frame body comprises a base, a protection plate and a frame body, the frame body comprises a high-pressure frame body, a transformation frame body and a low-pressure frame body, the high-pressure frame body, the transformation frame body and the low-pressure frame body are sequentially arranged on the base along the longitudinal direction, and the high-pressure frame body and the low-pressure frame body are respectively arranged on two sides of the transformation frame body; a protection plate is arranged between the base and the frame body, a ventilation hole area is arranged on the protection plate corresponding to the installation area of the transformation frame body, and the heat radiation fan is installed on the top surface of the transformation frame body; the high-voltage frame, the transformation frame and the low-voltage frame are internally provided with a high-voltage cabinet, a transformer and a low-voltage cabinet respectively; the low-voltage cabinet comprises a capacitor cabinet and a wiring cabinet, the capacitor cabinet is arranged on one side, close to the transformation frame, in the low-voltage frame, and the capacitor cabinet and the wiring cabinet are both arranged on the front side of the cabinet in the low-voltage frame, so that a maintenance channel is formed on the rear side of the cabinet in the low-voltage frame.

2. A miniaturised pre-installed substation according to claim 1, characterized in that: the high-voltage frame body comprises a high-voltage frame body, a cover plate I, a sealing plate I and a cabinet door I, the high-voltage cabinet is installed on the high-voltage frame body, the cabinet door I is installed on the front side of the cabinet of the high-voltage frame body, the cover plate I is installed on the top surface of the high-voltage frame body, and the sealing plate I is installed on the rear side of the cabinet of the high-voltage frame body and on the side of the cabinet far away from the variable-voltage frame body.

3. A miniaturised pre-installed substation according to claim 1, characterized in that: the transformer framework comprises a transformer framework, a cover plate II and a sealing plate II, the transformer is arranged on the transformer framework, the cover plate II is arranged on the top surface of the transformer framework, and the sealing plates II are arranged on the front side and the rear side of the high-voltage framework; and a heat radiation fan is arranged on the cover plate II.

4. A miniaturised pre-installed substation according to claim 1, characterized in that: the low-voltage frame body comprises a low-voltage frame body, a cover plate III, a sealing plate III and a cabinet door II, the low-voltage cabinet is installed on the low-voltage frame body, the cabinet door II is installed on the front side of the low-voltage frame body, the cover plate III is installed on the top surface of the low-voltage frame body, and the sealing plate III is installed on the rear side of the cabinet of the low-voltage frame body and on the side of the cabinet far away from the variable-voltage frame body.

5. A miniaturised pre-installed substation according to claim 1, characterized in that: the base is provided with lifting lugs for hoisting, at least 2 groups of lifting lugs are uniformly distributed on the front side and the rear side of the cabinet of the base, and the lifting lugs can extend outwards or be recycled relative to the base.

6. A miniaturised pre-installed substation according to claim 5, characterized in that: the lug includes the cover body and 2 screw rod spare, and the cover body transversely sets up on the base, 2 screw rod spare transversely run through the base respectively and with the both ends threaded connection of the cover body.

7. A miniaturised pre-installed substation according to claim 1, characterized in that: the end parts of the two longitudinal ends of the base are respectively provided with a traction plate, and the traction plates are provided with traction holes.

8. A miniaturised pre-assembled substation according to claim 5 or 7, characterized in that: the base comprises cross beams and longitudinal beams, and the cross beams and the longitudinal beams are connected in a transverse and longitudinal mode to form the base; and the crossbeam and the longitudinal beam at the periphery all adopt channel steel or H-shaped steel, the notch orientation of the crossbeam and the longitudinal beam are all outwards arranged, the lifting lugs are arranged in the notches of the longitudinal beams, and the traction plates are arranged in the notches of the crossbeam.

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