Variable power distribution room of 10kV and below

Abstract

The invention relates to a variable power distribution room of 10kV and below. The variable power distribution room comprises a first power distribution room and a second power distribution room, the first power distribution room comprises a first top plate and a plurality of first side plates, and the first top plate and the plurality of first side plates enclose to form an indoor space of the first power distribution room; the second power distribution room comprises a second top plate, multiple second side plates and multiple hydraulic lifting mechanisms, the second side plates are located on the inner sides of the first side plates, the second top plate is located at the top of the first top plate, and the hydraulic lifting mechanisms are arranged at the bottoms of the second side plates; the hydraulic lifting mechanism is connected with the second side plate and can drive the second side plate to move by a preset distance in the height direction of the first side plate. According to the variable power distribution room of 10kV and below, the indoor space can be flexibly changed, and the space utilization rate of the power distribution room at the placement position is improved.

Description

Technical Field

[0001] The present application relates to the technical field of power distribution rooms, and in particular to a variable power distribution room of 10 kV and below. Background Art

[0002] A distribution room refers to an indoor distribution site with low-voltage loads, which mainly distributes electricity to low-voltage users. It is equipped with medium-voltage incoming lines, distribution transformers and low-voltage distribution devices, and facilities with voltage level equipment of 10kV and below. It is divided into high-voltage distribution rooms and low-voltage distribution rooms. Distribution rooms in related technologies are mostly prefabricated steel structures or brick-concrete structures, but they are basically fixed structures and cannot be changed in size, resulting in a relatively fixed internal space of the distribution room, low space utilization, and the inability to adjust the size and layout of the space according to later usage needs. Summary of the invention

[0003] The present application provides a variable distribution room of 10kV and below, which can flexibly change the indoor space and improve the space utilization rate of the distribution room at the installation location.

[0004] The 10kV and below variable power distribution room provided in the present application comprises: a first power distribution room, the first power distribution room comprises a first top plate and a plurality of first side plates, the first top plate and the plurality of first side plates enclose an indoor space of the first power distribution room;

[0005] The second distribution room includes a second top plate, a plurality of second side plates and a plurality of hydraulic lifting mechanisms, the second side plate is located on the inner side of the first side plate, the second top plate is located on the top of the first top plate, the hydraulic lifting mechanism is arranged at the bottom of the second side plate, the hydraulic lifting mechanism is connected to the second side plate and can drive the second side plate to move a preset distance along the height direction of the first side plate.

[0006] In addition, the 10kV and below variable distribution room provided in this application may also have the following additional technical features:

[0007] In an optional scheme, the hydraulic lifting mechanism includes a bottom support beam, a control motor, a hydraulic cylinder, a scissors-type lifting frame and a top support beam; the scissors-type lifting frame is arranged between the bottom support beam and the top support beam, the hydraulic cylinder is arranged on the bottom support beam, and the hydraulic lifting rod of the hydraulic cylinder is connected to the scissors-type lifting frame and can drive the scissors-type lifting frame to rise and fall, and the control motor is used to supply pressure to the hydraulic cylinder.

[0008] In an optional solution, the hydraulic lifting mechanism also includes a plurality of connecting beams, which connect the bottom support beam and the scissors-type lifting frame, the top support beam and the scissors-type lifting frame, the hydraulic cylinder and the bottom support beam, and the hydraulic cylinder and the scissors-type lifting frame.

[0009] In an optional solution, the variable distribution room also includes a PLC control system, which includes a speed control module and a start-stop control module. The speed control module is used to control the lifting speed of the hydraulic lifting mechanism, and the start-stop control module is used to control the normal start-stop and fault start-stop of the hydraulic lifting mechanism.

[0010] In an optional solution, the PLC control system also includes a limit control module, which includes a limit switch and a sensing element. The limit switch is arranged on the upper inner wall of the first side panel, and the sensing element is arranged on the top support beam. When the sensing element senses the limit switch, the limit control module stops the control motor.

[0011] In an optional scheme, the speed control module controls the lifting speed of the hydraulic lifting mechanism by: when the pressure of the hydraulic cylinder changes or is out of sync, adjusting the inverter parameters of the control motor, thereby adjusting the lifting balance and height of the second distribution room; the start-stop control module includes the following when performing fault start-stop control: when one of the multiple hydraulic cylinders fails, shutting down the control motor.

[0012] In an optional scheme, the first distribution room and the second distribution room have a contracted state and an expanded state. In the contracted state, the second side panel is located on the inner side of the first side panel, and the second top panel is close to or attached to the top of the first top panel; in the expanded state, the second top panel is away from the first top panel, and the first top panel, the second top panel and multiple second side panels enclose the indoor space of the second distribution room.

[0013] In an optional scheme, the variable distribution room also includes a transport door and a movable staircase, the transport door is arranged on at least one of the first side panels and at least one of the second side panels, and the transport door of the first side panel corresponds to the position of the transport door of the second side panel, and the movable staircase is arranged on the second side panel, and the movable staircase can be folded or unfolded relative to the second side panel.

[0014] The beneficial effects of this application are:

[0015] The 10kV and below variable distribution room provided in the present application is equipped with a second distribution room that can be raised and lowered relative to the first distribution room, so that the space of the entire distribution room can be flexibly changed. When in use, the space size and layout can be adjusted according to the owner's design requirements, thereby improving the use value of the distribution room, reducing the project cost, and also improving the space utilization rate of the distribution room at the installation location.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of a variable power distribution room provided in the present application in a specific embodiment;

[0018] Figure 2 for Figure 1 The structural diagram of the variable power distribution room when it is unfolded;

[0019] Figure 3 A schematic diagram of the installation structure of the hydraulic lifting mechanism provided in this application on both sides of the variable power distribution room;

[0020] Figure 4 A schematic diagram of the structure of a hydraulic lifting mechanism provided in the present application in a specific embodiment;

[0021] Figure 5 A primary system diagram of a control motor provided for this application;

[0022] Figure 6 The control logic block diagram of the PLC control system provided by this application;

[0023] Figure 7 A schematic diagram of the structure of the movable staircase provided for this application when unfolded.

[0024] Figure numerals: first distribution room 1, first top plate 11, first side plate 12, second distribution room 2, second top plate 21, second side plate 22, hydraulic lifting mechanism 3, bottom support beam 31, control motor 32, hydraulic cylinder 33, scissors-type lifting frame 34, top support beam 35, connecting beam 36, control box 4, PLC control system 41, limit switch 42, sensing element 43, transport door 5, movable staircase 6, control button 61.

[0025] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION

[0026] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0027] It should be clear that the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other technical solutions obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0028] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0029] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0030] It should be noted that the directional words such as "upper", "lower", "left", and "right" described in the embodiments of the present application are described at the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it is also necessary to understand that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to another element "upper" or "lower", but also indirectly connected to another element "upper" or "lower" through an intermediate element.

[0031] like Figure 1-7 As shown, the embodiment of the present application provides a 10kV and below variable distribution room, which mainly includes a first distribution room 1 and a second distribution room 2. Among them, the first distribution room 1 includes a first top plate 11 and a plurality of first side plates 12, and the first top plate 11 and the plurality of first side plates 12 enclose the indoor space of the first distribution room 1; the second distribution room 2 includes a second top plate 21, a plurality of second side plates 22 and a plurality of hydraulic lifting mechanisms 3, the second side plate 22 is located on the inner side of the first side plate 12, the second top plate 21 is located on the top of the first top plate 11, and the hydraulic lifting mechanism 3 is arranged at the bottom of the second side plate 22, and the hydraulic lifting mechanism 3 is connected to the second side plate 22 and can drive the second side plate 22 to move a preset distance along the height direction of the first side plate 12.

[0032] like Figure 1As shown, in this embodiment, the variable power distribution room can be a rectangular structure with embedded designs on each side, and the four first side panels 12 on the front, back, left and right sides of the rectangular body are each provided with a second side panel 22 with a hydraulic lifting mechanism 3. The second side panel 22 is lifted by the hydraulic lifting mechanism 3 to expand the one-story power distribution room into two floors. It should be noted that in some other embodiments, the power distribution room can also be other shapes, such as polygons or other irregular shapes, etc., which are not specifically limited in this article. In addition, a through groove is provided on the first top plate 11, and a waterproof sealing treatment can be performed at the position of the through groove so that the second side panel 22 can pass through the first top plate 11 for expansion.

[0033] In this embodiment, the variable distribution room is provided with a second distribution room 2 that can be raised and lowered relative to the first distribution room 1, so that the space of the entire distribution room can be flexibly changed. When in use, the space size and layout can be adjusted according to the owner's design requirements, thereby improving the use value of the distribution room, reducing the project cost, and also improving the space utilization rate of the distribution room at the installation location.

[0034] like Figure 4 As shown, in a specific embodiment, the hydraulic lifting mechanism 3 includes a bottom support beam 31, a control motor 32, a hydraulic cylinder 33, a scissors-type lifting frame 34 and a top support beam 35; the scissors-type lifting frame 34 is arranged between the bottom support beam 31 and the top support beam 35, the hydraulic cylinder 33 is arranged on the bottom support beam 31, and the hydraulic lifting rod of the hydraulic cylinder 33 is connected to the scissors-type lifting frame 34, and can drive the scissors-type lifting frame 34 to rise and fall, and the control motor 32 is used to supply pressure to the hydraulic cylinder 33.

[0035] In addition, the hydraulic lifting mechanism 3 further includes a plurality of connecting beams 36, and the connecting beams 36 connect the bottom support beam 31 and the scissor-type lifting frame 34, the top support beam 35 and the scissor-type lifting frame 34, the hydraulic cylinder 33 and the bottom support beam 31, and the hydraulic cylinder 33 and the scissor-type lifting frame 34. It should be noted that the structures and sizes of the plurality of connecting beams 36 may be the same or different according to different positions and functions, and this document does not make any specific limitation on this.

[0036] like Figure 5-6 As shown, in a specific embodiment, the variable distribution room also includes a PLC control system 41, the PLC control system 41 includes a speed control module (not shown in the figure) and a start-stop control module (not shown in the figure), the speed control module is used to control the lifting speed of the hydraulic lifting mechanism 3, and the start-stop control module is used to control the normal start-stop and fault start-stop of the hydraulic lifting mechanism 3.

[0037] like Figure 1-2As shown, in a specific embodiment, there are a contracted state and an expanded state between the first distribution room 1 and the second distribution room 2. In the contracted state, the second side panel 22 is located on the inner side of the first side panel 12, and the second top panel 21 is close to or attached to the top of the first top panel 11; in the expanded state, the second top panel 21 is away from the first top panel 11, and the first top panel 11, the second top panel 21 and the plurality of second side panels 22 enclose the indoor space of the second distribution room 2.

[0038] Specifically, the PLC control system 41 is arranged in a control box 4, and the control box 4 can be installed in the first power distribution room 1. The PLC control system 41 can control the working state of each hydraulic lifting mechanism 3. When the scissor-type lifting frame 34 is in a retracted state, the variable power distribution room is a one-story structure; when the expansion button of the control box 4 is pressed, the control motor 32 in the hydraulic lifting mechanism 3 runs, the pressure of the hydraulic cylinder 33 increases, driving the hydraulic lifting rod to lift, and the top support beam 35 and the scissor-type lifting frame 34 are synchronously expanded and lifted. After reaching the preset position, the PLC control system 41 stops the control motor 32, the pressure of the hydraulic cylinder 33 remains unchanged, and the hydraulic lifting rod maintains the existing position unchanged, so that the second side plate 22 is lifted from the position of the first side plate 12, and the second top plate 21 is separated relative to the first top plate 11. Finally, the variable power distribution room is expanded into a two-story structure.

[0039] In a specific embodiment, the PLC control system 41 also includes a limit control module (not shown in the figure), the limit control module includes a limit switch 42 and a sensing element 43, the limit switch 42 is arranged on the upper inner wall of the first side panel 12, and the sensing element 43 is arranged on the top support beam 35. When the sensing element 43 senses the limit switch 42, the limit control module controls the motor 32 to stop.

[0040] In a specific embodiment, the speed control module controls the lifting speed of the hydraulic lifting mechanism 3 by: when the pressure of the hydraulic cylinder 33 changes or is out of sync, adjusting the inverter parameters of the control motor 32, thereby adjusting the lifting balance and height of the second power distribution room 2. Specifically, in order to ensure the horizontal lifting of the second power distribution room 2, the lifting rates of all hydraulic lifting mechanisms 3 need to be kept synchronously consistent. The control motor 32 configured for the hydraulic lifting mechanism 3 is a variable frequency motor. Each control motor 32 is controlled by Figure 5The inverter control of the primary system diagram shown in the figure, the control signal is connected to the PLC control system 41, and the operating frequency of all control motors 32 is synchronized through the PLC control system 41, thereby controlling the synchronous lifting of all hydraulic lifting mechanisms 3. When the pressure of the hydraulic cylinder 33 changes or is out of sync, the lifting balance and height of the second distribution room 2 can be controlled by adjusting the inverter parameters of the control motor 32. In addition, when the start-stop control module performs fault start-stop control, it includes: when one of the multiple hydraulic cylinders 33 fails, the control motor 32 is shut down, and it can only work again after the fault is eliminated.

[0041] like Figure 7 As shown, in a specific embodiment, the variable distribution room also includes a transport door 5 and a movable staircase 6, the transport door 5 is arranged on at least one first side panel 12 and at least one second side panel 22, and the transport door 5 of the first side panel 12 corresponds to the position of the transport door 5 of the second side panel 22, the movable staircase 6 is arranged on the second side panel 22, and the movable staircase 6 can be folded or unfolded relative to the second side panel 22.

[0042] In order to meet the functional requirements of the distribution room and the relevant requirements of GB50053-2013, the variable distribution room is provided with transport doors 5 on the front, back, left and right sides, and an escalator can be added on the second floor to meet the maintenance and escape requirements. During installation, 1-2 movable stairs 6 can be arranged according to the requirements to facilitate the application of various venues. Specifically, all the movable stairs 6 are embedded in the space between the first distribution room 1 and the second distribution room 2 at the top of the second distribution room 2. The movable stairs 6 can be controlled by the control button 61 set inside the second distribution room 2. One control button 61 can correspond to one movable staircase 6. When the second distribution room 2 is expanded, the movable stairs 6 can be expanded by operating the control switch of each door. When in use, the corresponding transport door 5 can be opened according to the layout requirements.

[0043] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A variable distribution room of 10kV and below, characterized in that: include: A first power distribution room, wherein the first power distribution room comprises a first top plate and a plurality of first side plates, wherein the first top plate and the plurality of first side plates enclose an indoor space of the first power distribution room; The second distribution room includes a second top plate, a plurality of second side plates and a plurality of hydraulic lifting mechanisms, the second side plate is located on the inner side of the first side plate, the second top plate is located on the top of the first top plate, the hydraulic lifting mechanism is arranged at the bottom of the second side plate, the hydraulic lifting mechanism is connected to the second side plate and can drive the second side plate to move a preset distance along the height direction of the first side plate.

2. The 10kV and below variable distribution room according to claim 1 is characterized in that: The hydraulic lifting mechanism includes a bottom support beam, a control motor, a hydraulic cylinder, a scissors-type lifting frame and a top support beam; the scissors-type lifting frame is arranged between the bottom support beam and the top support beam, the hydraulic cylinder is arranged on the bottom support beam, and the hydraulic lifting rod of the hydraulic cylinder is connected to the scissors-type lifting frame and can drive the scissors-type lifting frame to rise and fall, and the control motor is used to supply pressure to the hydraulic cylinder.

3. The variable distribution room of 10kV and below according to claim 2 is characterized in that: The hydraulic lifting mechanism further includes a plurality of connecting beams, which connect the bottom support beam and the scissor-type lifting frame, the top support beam and the scissor-type lifting frame, the hydraulic cylinder and the bottom support beam, and the hydraulic cylinder and the scissor-type lifting frame.

4. The 10kV and below variable distribution room according to claim 2 or 3, characterized in that: It also includes a PLC control system, which includes a speed control module and a start-stop control module. The speed control module is used to control the lifting speed of the hydraulic lifting mechanism, and the start-stop control module is used to control the normal start-stop and fault start-stop of the hydraulic lifting mechanism.

5. The variable distribution room of 10kV and below according to claim 4 is characterized in that: The PLC control system also includes a limit control module, which includes a limit switch and a sensing element. The limit switch is arranged on the upper inner wall of the first side panel, and the sensing element is arranged on the top support beam. When the sensing element senses the limit switch, the limit control module stops the control motor.

6. The variable power distribution room of 10kV and below according to claim 4 is characterized in that: The speed control module controls the lifting speed of the hydraulic lifting mechanism by: when the pressure of the hydraulic cylinder changes or is out of sync, adjusting the inverter parameters of the control motor, thereby adjusting the lifting balance and height of the second distribution room; the start-stop control module includes the following when performing fault start-stop control: when one of the multiple hydraulic cylinders fails, shutting down the control motor.

7. A 10kV or lower variable power distribution room according to any one of claims 1-3 or 5-6, characterized in that: The first distribution room and the second distribution room have a contracted state and an expanded state. In the contracted state, the second side panel is located on the inner side of the first side panel, and the second top panel is close to or attached to the top of the first top panel; in the expanded state, the second top panel is away from the first top panel, and the first top panel, the second top panel and multiple second side panels enclose the indoor space of the second distribution room.

8. The variable power distribution room of 10kV and below according to claim 7 is characterized in that: It also includes a transport door and a movable staircase, wherein the transport door is arranged on at least one of the first side panel and at least one of the second side panel, and the transport door of the first side panel corresponds to the position of the transport door of the second side panel, and the movable staircase is arranged on the second side panel, and the movable staircase can be folded or unfolded relative to the second side panel.

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