CN205944843U - Prepackage type transformer substation convenient to maintain - Google Patents

Abstract

The utility model provides a prepackage type transformer substation convenient to maintain to solve the inconvenient technical problem who overhauls of distribution instrument in the prepackage type transformer substation. The power distribution box comprises a power distribution box, a wiring board, a transverse moving frame, a longitudinal moving frame, a transverse guide rail, a longitudinal guide rail, a ball screw transmission device and a control system; the power distribution box is internally provided with a plurality of power distribution instrument rooms and overhaul channels, the wiring board comprises a mother board and a male board, the mother board is fixedly arranged on the inner side surface of the box body of the power distribution box corresponding to the rear end of each power distribution instrument room, and the male board is fixed on the rear side surface of a power distribution instrument in the power distribution instrument room; the transverse moving frame is positioned at the bottom of the power distribution instrument room, and the power distribution instrument is placed on the transverse moving frame; the ball screw transmission device comprises a transverse ball screw transmission device, a longitudinal ball screw transmission device and a jacking ball screw transmission device. The utility model discloses utilize transmission can realize that it is convenient, the efficient maintenance to the inside distribution instrument of prepackage type transformer substation.

Description

A prefabricated substation that is easy to maintain

technical field

The utility model relates to the technical field of transformer boxes, in particular to a prefabricated transformer station which is convenient for maintenance.

Background technique

Box-type substation, also known as prefabricated substation or prefabricated substation, is a compact power distribution equipment that integrates high-voltage switchgear, distribution transformers and low-voltage power distribution devices. and other functions are organically combined and installed in a moisture-proof, rust-proof, dust-proof, rodent-proof, fire-proof, anti-theft, heat-insulating, fully enclosed, and movable steel structure box, especially suitable for urban network construction and transformation. A brand new substation that emerged after the civil substation. The box-type substation is suitable for mines, factories, enterprises, oil and gas fields and wind power stations. It replaces the original civil engineering power distribution room and distribution station, and becomes a new type of complete power transformation and distribution device. The prefabricated substation has the advantages of small size, small footprint Less, light weight, low cost, reliable and so on.

However, when the current prefabricated substation is overhauled, it is necessary to disassemble the various internal devices one by one before they can be overhauled one by one, which is very inconvenient for fault finding and overhauling. Therefore, it is necessary to provide a device to solve the above problems.

Utility model content

The purpose of the utility model is to provide a prefabricated substation that is easy to maintain, so as to solve the technical problem that the power distribution equipment in the prefabricated substation is inconvenient to repair.

The technical solution adopted by the utility model to solve the technical problems is: a prefabricated substation that is easy to maintain, including a transformer box, a wiring board, a horizontal moving frame, a vertical moving frame, a horizontal guide rail, a longitudinal guide rail, and a ball screw drive. devices and control systems;

The transformer box is provided with a plurality of power distribution instrument rooms and maintenance channels, and the terminal board includes a motherboard and a male board, and the motherboard is fixedly installed on the corresponding substation at the rear end of each power distribution instrument room. The inner side of the box body, the male board is fixed on the rear side of the power distribution instrument in the power distribution instrument room;

The laterally movable frame is located at the bottom of the power distribution instrument room, and the power distribution instrument is placed on the laterally movable frame; the laterally movable frame adopts a frame structure, and the side of the laterally movable frame corresponding to the maintenance channel has no frame; the The transverse guide rail is fixed on the box body of the distribution box and is located below the distribution instrument room, and the transverse moving frame is installed on the transverse guide rail through guide shoes;

The ball screw drive includes a horizontal ball screw drive, a longitudinal ball screw drive and a jacking ball screw drive, the horizontal ball screw drive, the longitudinal ball screw drive and the jacking ball Lead screw transmission devices all include a hollow shaft stepping motor, a screw nut, a screw rod and a brake device, the hollow shaft stepping motor includes a hollow shaft, and the hollow shaft is sleeved on the screw shaft. One end of the hollow rotating shaft is fixedly connected with a screw nut, and the screw nut is meshed with the lead screw, and the other end of the hollow rotating shaft is connected with a brake device;

The lead screw of the horizontal ball screw transmission device is installed below the horizontal moving frame and parallel to the horizontal guide rail, and the hollow shaft stepping motor of the horizontal ball screw transmission device is connected with the horizontal moving frame through a connecting plate. frame fixed connection;

The longitudinal guide rail is installed in the maintenance passage and fixed on the box body of the distribution box, the longitudinal ball screw transmission device is installed under the maintenance passage, and the longitudinal ball screw transmission device The screw rod is installed below the longitudinal guide rail and parallel to the longitudinal guide rail;

The lower end of the screw rod of the jacking ball screw transmission device is fixedly installed on the hollow shaft stepping motor of the longitudinal ball screw transmission device, and the jacking ball screw transmission device is located below the longitudinal guide rail; the longitudinal moving frame It includes a longitudinal movement bracket and a longitudinal movement support plate, the lower end of the longitudinal movement bracket is fixedly connected with one side of the hollow shaft stepping motor of the jacking ball screw transmission device, and the upper end of the longitudinal movement bracket is connected with the longitudinal movement The bottom end of the pallet is fixedly connected; the longitudinally movable pallet is installed on the longitudinal guide rail through guide shoes;

The control system includes a remote controller, a controller, a signal receiving module, a motor drive module and a brake driving module; the signal receiving module is wirelessly connected to the remote controller, and the controller is connected to the signal receiving module respectively 1. The motor drive module is electrically connected to the brake drive module; the motor drive module is electrically connected to the hollow shaft stepping motor respectively, and the brake drive module is electrically connected to the brake device; the corresponding setting on the panel of the remote controller There are buttons for each power distribution instrument compartment.

The power distribution instrument room includes a high-voltage room, a transformer room, and a low-voltage power distribution cabinet room. The high-voltage room and the transformer room are arranged on the same side of the inspection passage, and the low-voltage distribution cabinet room is arranged on the other side of the inspection passage. side.

An inspection door is provided at one end of the inspection channel.

The casing of the transformer box is provided with ventilation windows.

Jacks are provided on the motherboard, and plugs are provided on the male board corresponding to the jacks on the motherboard.

A support edge is provided around the lower end of the inner surface of the frame of the laterally moving frame.

The beneficial effects of the utility model are: 1. Through the intelligent control means, the utility model utilizes the transmission device to realize the transmission of the power distribution equipment that needs to be overhauled inside the prefabricated substation to the overhaul port for overhaul, which can be overhauled conveniently and efficiently.

2. The transmission device of the present utility model utilizes the ball screw transmission mode, which is easy to control the number of rotations of the hollow shaft stepping motor through the control system, and realizes precise positioning transmission; The speed is fast and the noise is low, which greatly reduces the maintenance work of the transmission device, increases the service life and reduces the cost of use.

Description of drawings

Fig. 1 is the overall structural appearance schematic diagram of the present utility model;

Fig. 2 is a longitudinal sectional view of Fig. 1;

Fig. 3 is a transverse sectional view of Fig. 1;

Fig. 4 is a working state diagram when the power distribution instrument in Fig. 2 is moved;

Fig. 5 is a working state diagram when the power distribution instrument of Fig. 3 is moved;

Fig. 6 is a top view schematic diagram of a laterally moving frame;

Fig. 7 is a schematic diagram of the connection relationship of the ball screw drive;

Fig. 8 is a control principle block diagram;

In the figure: 1. Transformer box; 2. Ventilation window; 3. Mother board; 4. Public board; 5. Horizontal moving frame; 6. Vertical moving bracket; 7. Longitudinal moving pallet; .Longitudinal guide rail; 10. Horizontal ball screw transmission device; 11. Longitudinal ball screw transmission device; 12. Lifting ball screw transmission device; 13. Hollow shaft stepping motor; 14. Screw nut; 15. Screw rod; 16. Brake device; 17. Support edge; 18. Power distribution instrument room; 19. Inspection channel; 20. Inspection door.

detailed description

As shown in Figures 1 to 8, a prefabricated substation that is easy to maintain includes a transformer box 1, a terminal board, a horizontal moving frame 5, a vertical moving frame 6, a horizontal guide rail 8, a longitudinal guide rail 9, and a ball screw transmission device and control system; the described transformer box 1 is mainly used for fixing and installing, and the described transformer box 1 is provided with a plurality of power distribution instrument rooms 18 and maintenance channels 19, and the described power distribution instrument room 18 includes a high voltage room, Transformer room, low-voltage power distribution cabinet room; the power distribution equipment room 18 is used to install power distribution equipment, and the power distribution equipment room 18 is respectively arranged on both sides of the inspection channel 19, and the high-voltage room and the The transformer room is arranged on the same side of the inspection passage 19 ; the low-voltage power distribution cabinet room is arranged on the opposite side of the inspection passage 19 . One end of the inspection channel 19 is provided with an inspection door 20 . The box body of the transformer box 1 is provided with a ventilation window 2, and the ventilation window 2 is used to dissipate heat and cool down the power distribution equipment inside the transformer box 1, so as to avoid failure of the power distribution equipment caused by excessive temperature.

Described wiring board comprises mother board 3 and public board 4, and described mother board 3 is fixedly installed on the inner surface of the transformer box 1 box body corresponding to the rear end of each power distribution instrument room 18, and described mother board 3 and The external power line is connected, and the motherboard 3 is respectively provided with jacks according to the power supply plug-in requirements of the power distribution instrument; the male board 4 is fixed on the rear side of the power distribution device, and the male board 4 is connected to the power distribution device The internal line connector is connected, and the male board 4 is provided with a plug corresponding to the jack on the motherboard 3, and the power distribution instrument is connected to the outside through the plugging of the male board 4 and the motherboard 3, and through the male board 4 and the motherboard 3 The separation realizes the power-off of power distribution equipment.

Described laterally movable frame 5 is provided with a plurality of, is respectively positioned at the bottom of each power distribution instrument room 18, and power distribution instrument is installed on described laterally movable frame 5; Described laterally movable frame 5 adopts frame structure, and described laterally The side of the mobile frame 5 corresponding to the maintenance channel 19 has no frame to realize the transfer of the power distribution equipment; the lower end of the inner side of the frame of the lateral mobile frame 5 is provided with a support edge 17, and the support edge 17 is used to carry the distribution equipment. electrical instrument. Guide shoes are provided on the bottom of both sides of the laterally moving frame 5, and the guide shoes are set on the described transverse guide rails 8, and the described transverse guide rails 8 are located on both sides of the bottom of the power distribution instrument room 18, and the described guide shoes The transverse guide rail 8 is transversely installed on the described transformer box 1 .

The ball screw transmission device provides power for the movement of the utility model, and the ball screw transmission device includes a horizontal ball screw transmission device 10, a longitudinal ball screw transmission device 11 and a jacking ball screw transmission device 12, The horizontal ball screw transmission device 10, the longitudinal ball screw transmission device 11 and the jacking ball screw transmission device 12 all include a hollow shaft stepper motor 13, a screw nut 14, a screw rod 15 and a brake device 16. The hollow shaft stepping motor 13 comprises a hollow shaft, and the hollow shaft is sleeved on the screw mandrel 15, and one end of the hollow shaft is fixedly connected to the screw nut 14, and the screw nut 14 is connected to the screw shaft 15 meshing connection, the other end of the hollow rotating shaft is used to fixedly connect the brake device 16, and the brake device 16 is used to realize the braking of the ball screw drive. The hollow shaft stepping motor 13 is provided with a power intelligent switch. The brake device 16 is provided with a power intelligent switch. The ball screw transmission mode is easy to control the system to control the number of rotations of the hollow shaft stepper motor 13; in addition, its frictional resistance is small, the movement speed is accelerated, and the noise is low, which greatly reduces maintenance work and prolongs the service life. Reduce the cost of use.

Described horizontal ball screw transmission device 10 is provided with a plurality of, is used for realizing the lateral movement of lateral movement frame 5, and the screw rod 15 of described horizontal ball screw transmission device 10 is laterally installed on described lateral movement frame 5 below and all The horizontal guide rails 8 are parallel to each other, the screw rod 15 of the horizontal ball screw transmission device 10 is fixedly installed on the described transformer box 1, and the upper end of the hollow shaft stepper motor 13 of the horizontal ball screw transmission device 10 It is fixedly connected with the lower side of the rear end of the laterally moving frame 5 through a connecting plate. When the hollow shaft stepper motor 13 of the transverse ball screw transmission device 10 rotates, it drives the transverse moving frame 5 to move along the transverse guide rail 8 .

The longitudinal guide rail 9 is installed on both sides of the lower part of the maintenance channel 19, and the longitudinal ball screw transmission device 11 is installed below the maintenance channel 19, and the longitudinal ball screw transmission device 11 is used to realize the top Lift the longitudinal movement of the ball screw drive 12. The screw rod 15 of the longitudinal ball screw transmission device 11 is longitudinally installed below the longitudinal guide rail 9 and parallel to the longitudinal guide rail 9, and the two ends of the screw rod 15 of the longitudinal ball screw transmission device 11 are fixed On the transformer box 1 described above. The jacking ball screw transmission device 12 is installed on the upper end of the hollow shaft stepper motor 13 of the longitudinal ball screw transmission device 11 and is located below the longitudinal guide rail 9; the screw rod 15 of the jacking ball screw transmission device 12 The lower end of the lower end is fixedly installed on the upper end of the hollow shaft stepper motor 13 of the longitudinal ball screw transmission device 11, and the upper end of the screw rod 15 of the jacking ball screw transmission device 12 is located below the longitudinal guide rail 9. The jacking ball screw transmission device 12 is used to realize the lifting and lowering of the longitudinally moving bracket 6 .

The longitudinally moving frame 6 includes a longitudinally moving bracket 6 and a longitudinally moving pallet 7, the lower end of the longitudinally moving bracket 6 is fixedly connected to one side of the hollow shaft stepper motor 13 of the jacking ball screw drive 12 , the upper end of the longitudinally movable bracket 6 is fixedly connected with the bottom end of the longitudinally movable pallet 7 .

The cross-section of the longitudinally movable pallet 7 is smaller than the size of the internal section of the laterally movable frame 5 , that is, the longitudinally movable pallet 7 can pass through the laterally movable frame 5 . The bottom ends of both sides of the longitudinally movable pallet 7 are provided with guide shoes, and the longitudinally movable pallet 7 is installed on the described longitudinal guide rail 9 through the guide shoes, and the longitudinally movable pallet 7 can be installed in the maintenance channel 19 along the longitudinal guide rail 9 move.

The control system includes a remote controller, a single-chip microcomputer, a signal receiving module, a motor drive module and a brake driving module; the signal input terminal of the signal receiving module is wirelessly connected to the remote controller, and the signal output of the signal receiving module end is connected with the signal input end of the single-chip microcomputer, and the signal output end of the single-chip microcomputer is electrically connected with the signal input end of the motor drive module and the brake drive module respectively, and the signal output end of the motor drive module is respectively connected with the hollow shaft step The signal input end of the motor 13 is electrically connected, and the signal output end of the brake driving module is electrically connected with the signal input end of the brake device 16 respectively. The panel of the remote controller is correspondingly provided with the buttons of each power distribution instrument room 18 .

The working principle of the present utility model is that, in the initial state, the longitudinally moving pallet 7 is located at a specified position at one end of the maintenance door 20 of the maintenance passage 19, and the laterally moving frame 5 is located in the power distribution equipment room In 18, the motherboard 3 and the male board 4 are plugged and connected. When it is necessary to overhaul a certain power distribution instrument in the power distribution instrument room 18, press the button of the corresponding power distribution instrument room 18 through the remote control, and under the action of the control system, the horizontal ball screw corresponding to the power distribution instrument room 18 will The transmission device 10 starts to work, and drives the laterally moving frame 5 to move toward the maintenance channel 19, and the main board 3 and the male board 4 are separated.

When the hollow shaft stepping motor 13 of the horizontal ball screw transmission device 10 rotates through the specified number of turns, that is, the lateral moving frame 5 moves to the specified distance, and when the lateral moving frame 5 moves to the inspection channel 19, the lateral moving frame 5 moves laterally under the action of the control system. The ball screw drive 10 stops working, and at this time the lateral moving frame 5 stops moving; after the horizontal ball screw drive 10 stops working, the longitudinal ball screw drive 11 starts to work and drives the jacking ball screw drive The device 12 moves, and then drives the longitudinally moving pallet 7 to move in the maintenance channel 19. When the hollow shaft stepping motor 13 of the longitudinal ball screw transmission device 11 turns over the specified number of turns, the longitudinally moving pallet 7 moves to the corresponding position. The lower part of the lateral movement frame 5 stops working; when the vertical ball screw transmission device 11 stops working, the jacking ball screw transmission device 12 starts to work, and drives the vertical movement bracket 6 to move upwards, thereby Drive the vertically moving supporting plate 7 to lift up the power distribution equipment on the horizontally moving frame 5, so that the power distribution equipment that needs to be repaired is separated from the horizontally moving frame 5, and the ball screw transmission device is lifted under the action of the control system. When the hollow shaft stepping motor 13 of 12 rotates through the specified number of turns, that is, when the vertically moving pallet 7 rises to the specified height (when the vertically moving pallet 7 lifts up the power distribution equipment that needs to be overhauled on the laterally moving frame 5) , the jacking ball screw drive 12 stops working; when the jacking ball screw drive 12 stops working, the longitudinal ball screw drive 11 starts to work and drives the vertically moving supporting plate 7 along the maintenance The channel 19 moves toward one end of the inspection door 20. When the hollow shaft stepper motor 13 of the longitudinal ball screw transmission device 11 rotates through the specified number of turns, that is, when the longitudinally moving pallet 7 moves to the position of the inspection door 20, the control system The vertical ball screw transmission device 11 described under the action stops working, and at this moment, the power distribution instrument can be overhauled.

After the overhaul is completed, press the finish button through the remote control, and the longitudinal ball screw transmission device 11 starts to work, and drives the longitudinally movable pallet 7 to move along the overhaul channel 19 to one end of the laterally movable frame 5, when the longitudinal ball screw The hollow-shaft stepping motor 13 of the transmission device 11 rotates a specified number of turns, that is, when the vertical moving pallet 7 moves to the position of the horizontal moving frame 5, under the action of the control system, the vertical ball screw drives The device 11 stops working; when the longitudinal ball screw transmission device 11 stops working, the jacking ball screw transmission device 12 starts to work, and drives the longitudinal moving bracket 6 to move downward, thereby driving the described The vertically moving pallet 7 descends downward, so that the overhauled power distribution equipment is placed on the horizontally moving frame 5; When the number of turns, that is, when the vertically moving pallet 7 drops to a specified height (when the overhauled power distribution instrument on the vertically moving pallet 7 lands on the laterally moving frame 5), the jacking ball screw transmission device 12 stops work; when the jacking ball screw transmission device 12 stops working, the longitudinal ball screw transmission device 11 starts to work, and when the hollow shaft stepper motor 13 of the vertical ball screw transmission device 11 turns over the specified number of turns, That is to drive the vertically movable pallet 7 to move to the designated position at one end of the maintenance door 20 in the maintenance passage 19 and then stop working; when the longitudinal ball screw transmission device 11 stops working, the horizontal ball screw transmission device 10 starts to work, and Drive the lateral moving frame 5 to move to the inner end of the power distribution instrument room 18, when the hollow shaft stepping motor 13 of the horizontal ball screw transmission device 10 turns over the specified number of turns, the lateral moving frame 5 moves to the designated position (this When the mother board 3 and the male board 4 are plugged and connected), under the action of the control system, the horizontal ball screw transmission device 10 stops working. At this time, the whole maintenance process is completed. When it is necessary to overhaul different power distribution instruments, you only need to press the button corresponding to the power distribution maintenance room through the remote control, and the working process is the same as above.

The utility model can realize the convenient inspection and maintenance of the power distribution equipment in the prefabricated substation, and improves the maintenance efficiency.

Except for the technical features described in the instructions, all are known technologies by those skilled in the art.

Although the specific implementation of the utility model has been described above in conjunction with the accompanying drawings, it is not a limitation to the scope of protection of the utility model. On the basis of the technical solution of the utility model, those skilled in the art can make Various modifications or deformations are still within the protection scope of the present utility model.

Claims (6)

1. A prefabricated substation that is easy to maintain, characterized in that it includes a transformer box, a terminal block, a laterally movable frame, a longitudinally movable frame, a lateral guide rail, a longitudinal guide rail, a ball screw drive and a control system; The transformer box is provided with a plurality of power distribution instrument rooms and maintenance channels, and the terminal board includes a motherboard and a male board, and the motherboard is fixedly installed on the corresponding substation at the rear end of each power distribution instrument room. The inner side of the box body, the male board is fixed on the rear side of the power distribution instrument in the power distribution instrument room; The laterally movable frame is located at the bottom of the power distribution instrument room, and the power distribution instrument is placed on the laterally movable frame; the laterally movable frame adopts a frame structure, and the side of the laterally movable frame corresponding to the maintenance channel has no frame; the The transverse guide rail is fixed on the box body of the distribution box and is located below the distribution instrument room, and the transverse moving frame is installed on the transverse guide rail through guide shoes; The ball screw drive includes a horizontal ball screw drive, a longitudinal ball screw drive and a jacking ball screw drive, the horizontal ball screw drive, the longitudinal ball screw drive and the jacking ball Lead screw transmission devices all include a hollow shaft stepping motor, a screw nut, a screw rod and a brake device, the hollow shaft stepping motor includes a hollow shaft, and the hollow shaft is sleeved on the screw shaft. One end of the hollow rotating shaft is fixedly connected with a screw nut, and the screw nut is meshed with the lead screw, and the other end of the hollow rotating shaft is connected with a brake device; The lead screw of the horizontal ball screw transmission device is installed below the horizontal moving frame and parallel to the horizontal guide rail, and the hollow shaft stepping motor of the horizontal ball screw transmission device is connected with the horizontal moving frame through a connecting plate. frame fixed connection; The longitudinal guide rail is installed in the maintenance passage and fixed on the box body of the distribution box, the longitudinal ball screw transmission device is installed under the maintenance passage, and the longitudinal ball screw transmission device The screw rod is installed below the longitudinal guide rail and parallel to the longitudinal guide rail; The lower end of the screw rod of the jacking ball screw transmission device is fixedly installed on the hollow shaft stepping motor of the longitudinal ball screw transmission device, and the jacking ball screw transmission device is located below the longitudinal guide rail; the longitudinal moving frame It includes a longitudinal movement bracket and a longitudinal movement support plate, the lower end of the longitudinal movement bracket is fixedly connected with one side of the hollow shaft stepping motor of the jacking ball screw transmission device, and the upper end of the longitudinal movement bracket is connected with the longitudinal movement The bottom end of the pallet is fixedly connected; the longitudinally movable pallet is installed on the longitudinal guide rail through guide shoes; The control system includes a remote controller, a controller, a signal receiving module, a motor drive module and a brake driving module; the signal receiving module is wirelessly connected to the remote controller, and the controller is connected to the signal receiving module respectively 1. The motor drive module is electrically connected to the brake drive module; the motor drive module is electrically connected to the hollow shaft stepping motor respectively, and the brake drive module is electrically connected to the brake device; the corresponding setting on the panel of the remote controller There are buttons for each power distribution instrument compartment. 2. A prefabricated substation that is easy to maintain according to claim 1, wherein the power distribution instrument room includes a high-voltage room, a transformer room, and a low-voltage power distribution cabinet room, and the high-voltage room and transformer room It is arranged on the same side of the inspection passage, and the low-voltage power distribution cabinet room is arranged on the other side of the inspection passage. 3. The maintenance-friendly prefabricated substation according to claim 1, wherein an inspection door is provided at one end of the inspection channel. 4 . The maintenance-friendly prefabricated substation according to claim 1 , wherein ventilation windows are provided on the body of the substation box. 5. The maintenance-friendly prefabricated substation according to claim 1, characterized in that jacks are provided on the motherboard, and plugs are provided on the male board corresponding to the jacks on the motherboard. 6 . The maintenance-friendly prefabricated substation according to claim 1 , wherein a support edge is provided around the lower end of the inner side of the frame of the laterally moving frame. 7 .