JP2019013119A - Electric power conversion system and assembly method therefor - Google Patents

Abstract

To provide an electric power conversion system and assembly method, capable of installing an electrical device and wiring with high efficiency.SOLUTION: The electric power conversion system includes a harness plate, a box frame and a partition plate. The harness plate is fixed with at least either one of a plurality of electrical devices or a plurality of wiring. The box frame is formed with a housing space for housing the harness plate in a fixed state of at least either one of the plurality of electrical devices or the plurality of wiring. The partition plate partitions the housing space and is formed with a housing opening for housing the harness plate in a state in which it is installed in the box frame.SELECTED DRAWING: Figure 1

Description

  Embodiments described herein relate generally to a power conversion device and a method for assembling the power conversion device.

  In the manufacturing process of a power conversion device installed under the floor of a vehicle such as a train, it is required to efficiently arrange or wire wirings connected to the electrical equipment. In the conventional technique, when mounting electrical components or the like on the power converter, the electrical components and wiring are arranged or wired in advance on the frame, and then the frame mounted with the electrical components and the like is installed in the box frame. Things were going on. For this reason, when arrangement processing of more various types of electrical equipment is performed, wirings are complicatedly connected to each other, and there are cases where mounting and wiring of electrical equipment cannot be performed efficiently.

JP-A-06-178411

  The problem to be solved by the present invention is to provide a power conversion device and a method for assembling the power conversion device that can more efficiently install electrical equipment and wiring.

  The power converter of an embodiment has a harness board, a box frame, and a partition plate. At least one of the plurality of electrical devices or the plurality of wires is fixed to the harness plate. The box frame is formed with an accommodation space for accommodating the harness plate in a state in which at least one of the plurality of electrical devices or the plurality of wires is fixed. The partition plate partitions the housing space and has a housing opening for housing the harness plate in a state of being provided in the box frame.

The disassembled perspective view of the power converter device concerning 1st Embodiment. The top view which shows the structure of a harness board. The figure which shows the state which installs the harness board in the state by which the electrical equipment and wiring were mounted in a box frame. The figure which shows the state which installed the harness board of the state in which the electrical equipment and wiring were mounted in the box frame. The figure which shows the modification of a harness board.

  Hereinafter, the power converter of an embodiment and the assembly method of a power converter are explained with reference to drawings.

  FIG. 1 is an exploded perspective view of a power conversion device 1 according to the first embodiment. The power conversion device 1 includes a box frame 10, a partition plate 20, a harness plate 30, an electrical device 40, and a wiring 50. The power conversion device 1 is a device that converts electric power of a train or the like.

  The box frame 10 is, for example, a box that is installed under the floor of a vehicle. The box frame 10 is formed using, for example, a metal material, but may be formed using other materials. The box frame 10 includes, for example, a rectangular upper surface plate 11, a rectangular bottom surface plate 12 disposed opposite to the upper surface plate 11 below the upper surface plate 11, and a periphery between the upper surface plate 11 and the bottom surface plate 12. And four rectangular side plates 13 to 16 arranged so as to surround. At least one of the side plates 13 to 16 is attached as a lid so as to be freely opened and closed as will be described later. A housing space S for housing the vehicle electrical device 40 and the wiring 50 is formed inside the box frame 10. A partition plate 20 that partitions the storage space S is provided in the storage space S inside the box frame 10.

  The partition plate 20 is a rectangular plate-shaped body, for example. The partition plate 20 is formed using, for example, a metal material, but may be formed using other materials. There may be a plurality of partition plates 20. The partition plate 20 is installed, for example, inside the box frame 10 and divides the accommodation space S into two spaces. The divided space is allocated for each function of the electrical device 40 or the wiring 50, for example. As a result, operations such as inspection and maintenance in the usage state of the power converter 1 are facilitated. The upper edge 21 of the partition plate 20 is welded to, for example, the inner wall of the upper surface plate 11 of the box frame 10.

  The upper edge 21 of the partition plate 20 and the inner wall of the upper surface plate 11 of the box frame 10 may be screwed via a fixing member in addition to welding. The height of the partition plate 20 in the vertical direction (Z-axis direction) is shorter than the height of the box frame 10. For this reason, an opening (accommodating opening) R is formed between the bottom plate 12 of the box frame 10 and the lower edge 22 of the partition plate 20.

  The lower edge 22 of the partition plate 20 and the bottom plate 12 are connected beyond the accommodation opening R by a pair of L-shaped connecting members L1, L2, for example. The pair of connecting members L1 and L2 are formed using, for example, a metal material, for example, but may be formed using other materials. Further, the pair of connecting members L <b> 1 and L <b> 2 may be formed integrally with the harness plate 30. One of the pair of connecting members L <b> 1 and L <b> 2 may be integrally formed as a part of the partition plate 20.

  The pair of connecting members L1 and L2 are fastened to the bottom plate 12 and the lower end 20a of the partition plate 20 with screws C, for example. Thereby, the partition plate 20 is reliably fixed to the box frame 10 in the accommodation space S. One end of the pair of connecting members L1 and L2 may be connected to the bottom plate 12 or the partition plate 20 with a hinge.

  In the accommodation opening R between the bottom plate 12 and the partition plate 20, the harness plate 30 on which the electrical device 40 and the wiring 50 including the plurality of electric wires 52 are mounted in advance is accommodated. The electrical device 40 is, for example, a power supply device or an inverter. The harness plate 30 is formed using, for example, a metal material, but may be formed using other materials. The harness plate 30 is fixed by a plurality of screws D that are screwed into a plurality of hollow bosses 12 a formed on the bottom plate 12. On the bottom plate 12, other electrical devices 40 </ b> B and 40 </ b> C are mounted, and at least one of a plurality of connectors 51 provided in the wiring 50 is connected.

  FIG. 2 is a plan view showing the configuration of the harness plate 30. The harness plate 30 is formed of a rectangular plate-like body. The harness plate 30 has a plurality of rectangular openings 31 arranged in a matrix. Accordingly, a plurality of vertical frames 32 along the Y-axis direction and a plurality of horizontal frames 33 along the X-axis direction are formed around the opening 31.

  The opening 31 is not necessarily rectangular, and may be formed in a circular shape or a polygonal shape. The harness plate 30 may be a punching metal provided with a large number of through holes. A plurality of through holes 34 for inserting screws D are formed at the four corners of the harness plate 30.

  For example, the electrical equipment 40A is placed on the harness plate 30. Apart from the electrical equipment 40A, a plurality of other electrical equipment may be arranged. The electrical device 40A is fixed at an arbitrary position on the harness plate 30 by being bound together with the vertical frame 32 or the horizontal frame 33 using the binding band B, for example. In addition, the electrical device 40A may be screwed to the vertical frame 32 or the horizontal frame 33 via a fixing member, or may be fixed with an adhesive, a double-sided tape, or the like.

  On the harness plate 30, wiring 50 for connecting the electrical devices 40 </ b> A to 40 </ b> C and other electrical devices to each other is placed. The wiring 50 includes a plurality of connectors 51 and a plurality of electric wires 52 connected to the connectors 51. The plurality of electric wires 52 are connected to a connection terminal block 55 disposed at the center of the harness plate 30, for example. The connection terminal block 55 is an auxiliary member that includes a terminal group that increases the degree of freedom of branching and wiring of the plurality of electric wires 52 and that forms the wiring paths of the plurality of electric wires 52.

  One end of each of the plurality of electric wires 52 is connected to the connector 51. A middle portion of the electric wire 52 is fixed along a wiring path in an arbitrary direction along at least one of the plurality of vertical frames 32 or the plurality of horizontal frames 33. The other end of the electric wire 52 is connected to the connection terminal block 55. Each of the plurality of electric wires 52 is bound and fixed by a binding band B together with the vertical frame 32 or the horizontal frame 33, for example.

  That is, each of the plurality of electric wires 52 is fixed along a wiring path in an arbitrary direction determined based on at least one opening 31. The wiring path may be formed using not only the upper surface side of the harness board 30 but also the lower surface side.

  As described above, the plurality of openings 52 formed in the harness plate 30 allows the plurality of electric wires 52 to be securely fixed to the harness plate 30 while a free wiring path is selected. Before the harness plate 30 is fixed to the box frame 10, the electrical device 40 </ b> A and the wiring 50 are mounted on the harness plate 30 in advance outside the box frame 10. Thereby, according to the power converter 1, a complicated wiring operation can be performed outside the box frame 10.

  FIG. 3 is a diagram illustrating a state in which the harness plate 30 in a state where the electrical device 40 </ b> A and the wiring 50 are mounted is installed in the box frame 10. For example, the harness plate 30 in which the electrical device 40A and the wiring 50 are mounted is inserted into the housing opening R in the box frame 10 with the side plate 16 serving as a lid body that can be opened and closed open. At this time, the connecting member L2 located on the side plate 16 side is not yet fixed.

  FIG. 4 is a diagram illustrating a state where the harness plate 30 in a state where the electrical device 40 </ b> A and the wiring 50 are mounted is installed in the box frame 10. After the harness plate 30 is inserted into the accommodation opening R, the harness plate 30 is fixed to the bottom plate 12 with screws D. Thereafter, the partition plate 20 and the bottom plate 12 are connected by the connecting member L2, and the partition plate 20 is securely fixed.

  3 and 4, the harness plate 30 in which the electrical device 40A and the wiring 50 are mounted in the Y direction is inserted. However, depending on the position of the lid, the harness plate 30 may be inserted from the X direction. Good. If possible, the harness plate 30 in which the electrical device 40A and the wiring 50 are mounted in a state where the connecting member L2 is fixed in advance may be inserted into the accommodation opening R.

  Further, the harness plate 30 may be fixed to the bottom plate 12 via an attachment / detachment member that is detachable by at least one attachment / detachment operation, in addition to what is fixed to the bottom plate 12 with screws D. For example, the harness plate 30 may be fixed to the bottom plate 12 by using an elastic member shaped to hold the harness plate 30 from the Y direction and holding the four corners of the harness plate 30. Thereby, the harness board 30 becomes detachable in the box frame 10 with one touch.

  Further, when the harness plate 30 is formed of a flexible material, the harness plate 30 in a state where the electrical device 40A and the wiring 50 are mounted is bent into the accommodation opening R from any direction along the X axis. After passing through, the harness plate 30 may be fixed to the bottom plate 12.

  After the harness plate 30 is fixed in the box frame 10, the plurality of connectors 51 are connected to, for example, the electrical devices 40B and 40C. At this time, at least one connector 51 may be connected to the box frame 10 or an external device as a ground wire for grounding. That is, the harness plate 30 can be fixed in the box frame 10 so that the electric wires 52 that need to be grounded can be grounded freely. When the electric wire 52 is grounded to the harness plate 30, an electrical path is formed by being connected to the box frame 10 from the harness plate 30 via the screw D and the hollow boss 12a.

[Modification]
FIG. 5 is a view showing a modification of the harness plate. The harness plate may be divided into a plurality of surfaces according to the accommodation space S in the box frame 10. For example, the harness plate 60 includes a first harness plate member 61 fixed to the bottom plate 12, and a second harness plate member 62 and a third harness plate member 63 fixed to the pair of side plates 13 and 14, respectively. That is, the harness plate 60 is formed by a plurality of surfaces that are connected at an angle to the adjacent surfaces.

  A plurality of harness plate materials (the first harness plate material 61, the second harness plate material 62, and the third harness plate material 63) may be arranged in a divided state. That is, the harness plate 60 is freely arranged in the accommodation space S by the arrangement mode of the plurality of harness plate members in a state where the electrical equipment 40A and the wiring 50 are mounted.

  According to such a harness plate 60, the electrical equipment 40 and the wiring 50 can be mounted in accordance with the accommodation space S in the box frame 10, and the utilization efficiency of the accommodation space S can be improved. Furthermore, according to this harness board 60, the freedom degree at the time of setting the wiring path | route of the wiring 50 can be improved further.

  According to at least one embodiment described above, the power conversion device 1 includes the harness plate 30 to which at least one of the plurality of electrical devices 40 or the plurality of wires 50 is fixed, and the plurality of electrical devices 40 or the plurality of wires 50. In order to store the harness plate 30 in a state provided in the box frame 10 while partitioning the storage space S from the box frame 10 in which the storage space S for storing the harness plate 30 in a state where at least one is fixed is accommodated. By having the partition plate 20 in which the housing opening R is formed, the working efficiency of the wiring 50 can be improved.

  In addition, according to at least one embodiment, most of the wiring facility work can be performed outside the box frame 10, and the work in the accommodation space S restricted within the box frame 10 can be reduced. Furthermore, according to at least one embodiment, in the accommodation space S, the functions of the plurality of electrical devices 40 or the plurality of wires 50 fixed to the harness plate 30 are separated for each space partitioned by the partition plate 20. Therefore, maintenance and inspection of the power converter 1 can be facilitated. Furthermore, according to at least one embodiment, the wiring path of the wiring 50 can be freely set by providing the harness plate 30 with the plurality of openings 31.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Power converter device, 10 ... Box frame, 11 ... Top plate, 12 ... Bottom plate, 12a ... Hollow boss, 13 ... Side plate, 14 ... Side plate, 15 ... Side plate, 16 ... Side plate, 20 ... Partition plate, 30 ... Harness Plate, 32 ... Vertical frame, 33 ... Horizontal frame, 40 ... Electrical device, 40A ... Electrical device, 40B ... Electrical device, 40C ... Electrical device, 50 ... Wiring, 51 ... Connector, 52 ... Electric wire, 55 ... Connection terminal block, 60 ... Harness plate, 61 ... First harness plate material, 62 ... Second harness plate material, 63 ... Third harness plate material, L1 ... Connection member, L2 ... Connection member

Claims (12)

A harness plate to which at least one of a plurality of electrical devices or a plurality of wires is fixed;
A box frame in which an accommodation space for accommodating the harness plate in a state in which at least one of the plurality of electrical devices or the plurality of wires is fixed;
A partition plate that partitions the housing space and is formed with a housing opening for housing the harness plate in a state provided in the box frame;
Comprising
Power conversion device. The harness plate is a plate-like body in which a plurality of openings are formed, and each of the plurality of electric wires is fixed along a wiring path in an arbitrary direction determined based on at least one of the openings.
The power conversion device according to claim 1. The harness plate is fixed in the box frame through the accommodation opening formed by the partition plate,
The power converter according to claim 1 or 2. Further comprising a connecting member for connecting the partition plate and the box frame,
The power converter of any one of Claim 1 to 3. The harness plate is divided into a plurality of harness plate materials to which at least one of the plurality of electrical devices or the plurality of wires is fixed, and is freely arranged in the accommodating space according to an arrangement mode of the plurality of harness plate materials.
The power converter of any one of Claim 1 to 4. The harness plate further includes an auxiliary member that forms a wiring path of the plurality of wires.
The power converter device of any one of Claim 1 to 5. The harness plate is fixed in the box frame via an attachment / detachment member that is attachable / detachable by at least one attachment / detachment operation.
The power converter according to any one of claims 1 to 6. The harness plate is formed of a flexible member.
The power converter device of any one of Claim 1 to 7. The harness plate is fixed in the box frame so that the wiring requiring grounding can be freely grounded.
The power converter according to any one of claims 1 to 8. A connecting member that connects the partition plate and the box frame is formed integrally with the harness plate.
The power converter according to any one of claims 1 to 9. The harness plate is formed by a plurality of surfaces connected at an angle with respect to adjacent surfaces.
The power converter of any one of Claim 1 to 10. Fix at least one of a plurality of electrical devices or a plurality of wires to the harness plate,
In the accommodation space partitioned by the partition plate provided in the box frame, at least one of the plurality of electrical devices or the plurality of wirings is formed in the storage opening formed between the partition plate and the box frame. Insert the harness plate in a fixed state,
Fixing the harness plate in the accommodating space;
A method for assembling the power converter.

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