JP4890521B2 - Car body mounting structure and electrical equipment for underfloor electrical components of railway vehicles - Google Patents

Description

The present invention relates to a vehicle body mounting structure for an underfloor electrical product of a railway vehicle and an underfloor electrical product , and in particular, a body mount system in which a storage box for an underfloor electrical product such as an inverter device or an auxiliary inverter device is integrally provided under the floor of a rail vehicle. About.

  As shown in FIG. 6, the conventional vehicle body mounting system for underfloor electrical components in a railway vehicle accommodates and fixes other underfloor electrical components such as a power unit 11 ′, a control unit 21 ′, and an oil filter capacitor 22 ′ that constitute an inverter device. The electrical device storage box 9 is attached under the floor of the vehicle body 5, and then the electrical product is connected to the wiring on the vehicle body side.

The vehicle body mounting method of such floor electrical products, with various electric devices receiving box are scattered to the vehicle body floor, when the maintenance of the electrical device, the electrical article housed in the electrical device housing box and the vehicle body side of the wiring After disconnecting the connection between the side of the vehicle body and the inside of the vehicle body, the electrical device was removed, and in some cases, the electrical equipment storage box was removed from the bottom of the vehicle body.

  An object of the present invention is to solve the above-mentioned problems, and to reduce the man-hours for mounting various electric devices on the vehicle body and the manufacturing cost of the entire vehicle body. Furthermore, the present invention enables maintenance of electrical equipment such as the power unit of the inverter device and work at the time of replacement work by reducing maintenance time by enabling maintenance of electrical equipment under the floor from one side access. For the purpose.

In order to solve the above-described problems, the present invention provides a vehicle body mounting structure for an underfloor electrical product of a railway vehicle in which an underfloor electrical component is stored in an underfloor storage portion disposed in the longitudinal direction of the vehicle body under the floor of the vehicle body. department also formed between the vehicle body width direction outer side position and vehicle body width direction Mukonaka Hisashigawa position has the underfloor electric equipment capable storage space, the vehicle width direction outside the underfloor storage unit An electrical product insertion opening for allowing the underfloor electrical product to pass therethrough is formed in a side wall, and a lid for closing the electrical product insertion opening is installed in the electrical product insertion opening, and a vehicle body width of the underfloor storage unit A cooling opening is formed in the partition wall on the center side in the direction , and the cooling opening is formed to have a size that exposes the cooling fins of the underfloor electrical component to the outside of the underfloor storage portion. The electrical equipment under the floor is in front of the electrical equipment insertion opening. Disposed support guide member is moved to the cooling opening side, the said underfloor storage portion, at a position corresponding to the electrical component connector that is disposed on the side surface of the underfloor electrical products, body-side connector is installed.

According to the present invention, in the vehicle body mounting structure for an underfloor electrical product of a railway vehicle, the underfloor storage portions are respectively installed at both side positions in the vehicle body width direction, and a cooling space is formed between the underfloor storage portions on both sides. ing.

The present invention provides a vehicle body mounting structure for an underfloor electrical product of a railway vehicle, wherein a partition wall on a vehicle width direction center side of the underfloor storage portion is formed along a vehicle body longitudinal direction, and a vehicle width direction center portion of the underfloor storage portion is formed. A plurality of cooling openings were provided in the side partition.

According to the present invention, in the vehicle body mounting structure for an underfloor electrical product of the railway vehicle, the cooling opening is configured in a watertight structure in a state where the underfloor electrical product is installed.

The present invention relates to an underfloor electrical product of a railway vehicle stored in an underfloor storage section provided under the floor of a vehicle body, and the underfloor electrical product has a cross-sectional shape as viewed from the vehicle body width direction formed in the underfloor storage section. It was being formed and can be inserted into the electric component insertion opening, and back after having a cooling fin is formed in a shape to block the cooling openings of the underfloor compartment.

  According to the present invention, the following effects can be achieved.

(1) can facilitate the power unit detaching during maintenance, the lead time during maintenance replacement operation can be shortened and the child is.

  (2) Maintenance devices can be centrally arranged, and work during maintenance inspection can be facilitated.

  (3) It is not necessary to divide and arrange a device that must be dust-proof and a device that does not need to be dust-proofed, and partition between the two sections with a partition plate, thereby reducing costs.

  (4) The main circuit wiring for connecting electrical components can be easily wired, and the cost of the entire vehicle can be reduced.

  (5) The failure rate can be reduced by optimally arranging in consideration of dust and water. A conventional device that is housed in a size and forcedly cooled by a blower can be self-cooled by placing it in an optimum space under the vehicle floor, and the blower can be omitted. Furthermore, the failure to discharge can be reduced.

  (6) The storage space of the sealed portion can be made large, and the failure rate due to temperature can be reduced by optimally arranging the electrical products in consideration of the temperature.

A vehicle body mounting structure of an underfloor electrical product for a railway vehicle according to the present invention will be described with reference to the drawings. FIG. 1 is a partial perspective view for explaining an example in which a power unit of an inverter device is mounted on a mounting portion provided integrally as a part of the vehicle body under the floor of the vehicle body. FIG. 2 is a cross-sectional view taken along a plane (width direction) orthogonal to the longitudinal direction of the vehicle body of the mounting portion shown in FIG. 3 is a cross-sectional view from the left-hand direction of FIG. FIG. 4 is a diagram for explaining the flow during maintenance of the electrical equipment under the floor in the mounting method of the present invention.

As shown in FIG. 1, a vehicle body mounting structure for an underfloor electrical component of a railway vehicle according to the present invention includes a power unit 11, a control unit 21, a filter constituting an inverter device in an underfloor storage portion 51 provided under the floor of the vehicle body 5. It is a structure for storing and fixing an underfloor electrical product such as the capacitor 22.

The underfloor storage unit 51 is configured integrally with the vehicle body 5 and is provided in the longitudinal direction of the vehicle body below the vehicle body. The underfloor storage unit 51 stores the underfloor electrical component in the internal space and has a function of increasing the rigidity of the vehicle body. ing.

  On the outer surface of the vehicle body of the underfloor storage portion 51, there are provided an electrical product insertion opening 52 through which an electrical product passes, and a cooling opening 53 through which a part of the electrical product is exposed on the vehicle body center side surface of the underfloor storage portion. . The electrical component insertion opening 52 is closed by a lid 59 (FIG. 2) provided in the opening so as to be detachable or openable.

  As shown in FIGS. 2 and 3, the underfloor storage portion 51 is integrally formed under the floor of the vehicle body 5, and an electrical component insertion opening 52 that allows electrical components to pass through the outer surface of the vehicle body is a wall surface 55 on the vehicle body center side. A cooling opening 53 is provided through which the cooling fin 114 provided on the rear portion of the electrical product is exposed. The underfloor storage portions 51 are provided on the left and right of the underside of the vehicle body 5, and a space formed in the center can be used as a cooling space for the device.

  The electrical component insertion opening 52 that is closed by the lid 59 is hermetically and liquid-tightly closed by locking means (not shown).

  The cooling opening 53 and the periphery of the rear surface of the electrical product have an airtight structure by packing (not shown) to prevent water from entering the internal space.

  A first slide rail holding member 54 is fixed to a partition wall 57 provided in the underfloor storage unit 51. Fixed to the first slide rail holding member 54 is a fixed rail 32 of the slide rail 30 that serves as a guide means.

  On the inner bottom surface of the underfloor storage portion 51, a rail 56 serving as a support guide means and an electric product fixing means 58 for fixing the electric product at a fixed position are fixed. The locking mechanism of the electrical component fixing means 58 may be an arbitrary mechanism and is not shown.

  The power unit 11, which is an underfloor electrical product, is formed by fixing electrical components to the frame body 111, and includes a support member 112, a second slide rail holding member 113, a cooling fin 114, and an electrical product side connector 115. A wheel 116 serving as means, a fixing member 117, and a fixing member 118 are provided.

  The support member 112 has a function of supporting the frame body 111 on the upper surface of the second slide rail holding member 113.

  The second slide rail holding member 113 is fixed to the fixing member 118 of the frame body 111, and the moving rail 31 of the slide rail 30 is attached thereto.

  The cooling fins 114 are provided on the rear surface of the electrical product, and dissipate heat generated by the electrical product in the cooling space.

The electrical component side connector 115 includes a + − terminal connected to a direct current power source, a three-phase alternating current terminal connected to a load such as an electric motor, a ground terminal, and the like, and is provided protruding from the side surface of the power unit. The electrical component side connector 115 is provided at a position where the tip is inserted and connected to the receiving portion of the vehicle body side connector 591 provided in the underfloor storage portion 51 when the power unit is disposed at the fixed position. The body-side connector 591 forms part of the main circuit harness 59 0 which is a consolidated integral structure as the vehicle body-side connector 591 and the structure of the other adjacent plurality of electrical products, one side of the underfloor storage unit For example, it has a mechanism that can be detached from the center surface of the vehicle body, facilitating the wiring work.

The wheel 116 is a wheel that supports the power unit 11 and has a function of facilitating moving work when the power unit 11 is detached from or attached to the vehicle body, and a rail 56 provided on the vehicle body when the power unit 11 is fixed at a fixed position. It also has a supporting function.

  The fixing member 117 is a member for fixing the electric product to the fixing position of the underfloor storage portion 51 in cooperation with the electric product fixing means 58 by a locking means (not shown).

The fixing member 118 is a means for fixing the second slide rail holding member 113 to the frame body 111 .

The slide rail 30 is composed of, for example, a fixed rail 32 having a U-shaped cross section and a moving rail 31 provided so as to be movable in the fixed rail. A bearing 33 and the like are provided between the fixed rail 32 and the moving rail 31. Being easy to move.

In such a configuration, when an electrical product is mounted and fixed on the vehicle body 5, the power unit 11 mounted on a lift (not shown) is disposed in front of the electrical product insertion opening 52 with the lid 59 opened, and the slide rail 30. The moving rail 31 is pulled out, and a fixing member is applied to the tip of the second slide rail holding member 113 fixed to the moving rail 31 and is fixed by a locking means not shown. At this time, the lower surface of the support member 112 of the power unit 11 is positioned on the upper surface of the second slide rail holding member 113, and the power unit 11 is fixed to the second slide rail holding member 113.

Thereafter, the power unit 11 is pushed into the underfloor storage portion 51, and the electrical component side connector 115 is connected to the vehicle body side connector 591 to complete the electrical connection and reach the fixed position. Thereafter, the power unit 11 is fixed at a fixed position by locking the fixing member 117 and the electrical component fixing means 58 with locking means (not shown). At this time, the cooling fins 114 of the power unit 11 are exposed to the cooling space from the cooling openings 53. The electrical component insertion opening 52 is closed with the lid 59, and the mounting operation of the power unit on the vehicle body is completed.

  Thus, according to the present invention, the power unit 11 can be mounted on the vehicle body 5 very easily without performing an electrical connection operation or an operation of attaching the electric device storage box to the vehicle body.

  Similarly, when removing the power unit from the vehicle body, after opening the lid 59, the locking of the fixing member 117 and the electrical component fixing means 58 is unlocked, and the power unit 11 is placed on the lift (not shown) from the underfloor storage 51. The drawer / fixing member 118 can be removed by releasing it from the second slide rail holding member 113.

  As described above, the power unit 11 can be easily detached from the vehicle body 5 without performing the work of removing the power unit from the vehicle body or the operation of removing the electrical connection or the operation of removing the electrical device storage box from the vehicle body.

  As shown in FIG. 4, the removed power unit 11 is placed on a lift, mounted on a truck and transported to an inspection / maintenance factory, where a predetermined maintenance inspection is completed, and the power unit 11 is mounted on the vehicle body again. .

Another embodiment of the present invention will be described with reference to FIG. In this embodiment, the frame 111 of the power unit 11 is extended to the vicinity of the electrical component insertion opening 52 of the underfloor storage portion 51, and a lid 59 is attached to the tip portion thereof. With such a configuration, after the power unit is inserted into the fixing portion of the underfloor storage portion 51, the power unit 11 is fixed to the opening portion 52 using a locking means (not shown) provided on the lid 59. It can be mounted on the vehicle body 5.

  In the above description, the case where the underfloor electrical product is the power unit of the inverter device has been described. However, the underfloor electrical product is not limited to the power unit of the inverter device, and may be a filter capacitor, a control device, or the like. For example, an auxiliary inverter device or an SIV module may be used.

  Further, in the above description, the cooling means in the space formed in the center has been described as natural air cooling or cooling by running wind, but a blower capable of forcibly circulating cooling air may be attached to the space for cooling.

The perspective view explaining the outline | summary of the vehicle body mounting structure of the underfloor electrical goods of the railway vehicle concerning this invention Sectional drawing explaining the outline | summary of the vehicle body mounting structure of the underfloor electrical goods of the railway vehicle concerning this invention (the 1) Sectional drawing explaining the outline | summary of the vehicle body mounting structure of the underfloor electrical goods of the railway vehicle concerning this invention (the 2) Diagram explaining the outline of the power unit inspection and repair process Sectional drawing explaining the outline | summary of the vehicle body mounting structure of the underfloor electrical goods of the railway vehicle concerning the 2nd Embodiment of this invention The perspective view explaining the mounting structure of the electric equipment under the floor of the conventional railway vehicle

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Power unit 111 Frame 112 Support member 113 2nd slide rail holding member 114 Cooling fan 115 Electric goods side connector 116 Wheel 117 Fixed member 118 Fixed member 21 Control apparatus 22 Filter capacitor 30 Slide rail 31 Moving rail 32 Fixed rail 33 Bearing 5 Car body 51 Underfloor storage part 52 Electrical product insertion opening 53 Cooling opening 54 First slide rail holding member 55 Car body central side wall surface 56 Rail 57 Bulkhead 58 Electrical product fixing means
59 Lid 59 0 Main circuit harness 591 Car body side connector

Claims (5)

In the vehicle body mounting structure of the underfloor electrical component of the railway vehicle that stores the underfloor electrical component in the underfloor storage portion disposed in the longitudinal direction of the vehicle body under the floor of the vehicle body,
The underfloor storage portion is formed between the vehicle body width direction outer side position and vehicle body width direction Mukonaka Hisashigawa position, has an accommodating space capable of the underfloor electrical products,
An electrical product insertion opening through which the underfloor electrical product is passed is formed in a partition wall on the outer side in the vehicle width direction of the underfloor storage unit, and a lid that closes the electrical product insertion opening is installed in the electrical product insertion opening And
A cooling opening is formed in the partition on the vehicle width direction center side of the underfloor storage portion, and the cooling opening is formed to a size that exposes cooling fins of the underfloor electrical component to the outside of the underfloor storage portion,
In the underfloor storage part, a support guide member for moving the underfloor electrical product from the electrical product insertion opening to the cooling opening is installed.
A vehicle body side connector is installed in a position corresponding to the electrical product side connector installed on the side surface of the underfloor electrical product in the underfloor storage unit,
A vehicle body mounting structure for electrical equipment under the floor of railway vehicles. 2. The vehicle body mounting structure for an underfloor electrical product of a railway vehicle according to claim 1, wherein the underfloor storage portions are respectively installed at both side positions in the vehicle body width direction, and a cooling space is formed between the underfloor storage portions on both sides. is being done,
A vehicle body mounting structure for electrical equipment under the floor of railway vehicles. 3. The vehicle body mounting structure for an underfloor electrical product of a railway vehicle according to claim 1, wherein a partition wall on a vehicle width direction center side of the underfloor storage portion is formed along a longitudinal direction of the vehicle body, Providing a plurality of cooling openings in the partition wall in the vehicle body width direction center side,
A vehicle body mounting structure for electrical equipment under the floor of railway vehicles. The vehicle body mounting structure for an underfloor electrical product of a railway vehicle according to claim 1, wherein the cooling opening is configured in a watertight structure in a state where the underfloor electrical product is installed.
A vehicle body mounting structure for electrical equipment under the floor of railway vehicles. The underfloor electrical equipment for a railway vehicle stored in an underfloor storage section provided under the floor of the vehicle body of the undercarriage for a railway vehicle body mounting structure according to claim 1 or 2, wherein the underfloor is provided under the floor of the vehicle body. Underfloor electrical equipment for railway vehicles stored in the storage section,
The underfloor electrical product has a cross-sectional shape viewed from the width direction of the vehicle body, is formed into a shape that can be inserted into an electrical product insertion opening formed in the underfloor storage portion, and includes a rear portion provided with a cooling fin. but it is formed in a shape to block the cooling openings of the underfloor storage unit,
Electrical equipment under the floor of railway vehicles.

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