JP4243569B2 - Solid pedestal built-in base - Google Patents

Description

  The present invention relates to a pedestal built-in pedestal for making a fixed unit in which piping, wiring and the like are incorporated in the apparatus and a unit integrated so as to be assembled and transported, and a three-dimensional structure that does not require a frame or a frame for mounting the pedestal built-in pedestal. The present invention relates to a pedestal with a built-in mold passage.

  In recent years, in the industrial field such as in-vehicle fuel cell systems and fluid control devices, in order to make a fixed unit that is compactly integrated by incorporating piping, wiring, etc. into the device, or a unit that can be assembled and transported, A passage built-in pedestal has been frequently used.

FIG. 4 is a diagram showing a schematic configuration of the passage built-in base.
The pedestal 51 with a built-in passage joins the upper plate 52 and the lower plate 53 by an appropriate method such as welding, and is installed with a device 57 or a component 57 ′ appropriately disposed on the upper plate 52 (in FIG. 4, it is installed by a one-dot chain line). The position is shown in FIG. 1 and the upper plate 52 and the lower plate 53 together with the studs 59 and nuts 60 and the like. A communication hole 54 is formed at an appropriate position of the upper plate 52, and a groove 62 having a predetermined cross-sectional area and having an appropriate length and direction is formed on the upper surface of the lower plate 53. The communication hole 54 and the groove 62 have functions such as a pipe through which liquid and gas necessary for the system configuration flow, a wiring passage for supplying signals and electric power, and the like. The cross-sectional areas of the communication hole 54 and the groove 62 are determined from the properties of the flowing fluid, the flow velocity, the pressure loss, and the like, and the position, length, direction, etc. of the components 57 such as the device 57 disposed on the upper plate 52 are determined. Determined by placement. The material of the upper plate 52 and the lower plate 53 is not limited, but an aluminum plate is most often used because the weight for movement is reduced and the groove 62 is easily formed and joined (see Patent Document 1). ).

  FIG. 5 shows an example of the process flow of the on-vehicle fuel cell system, which is composed of many pipes, devices, control parts, and the like. In FIG. 5, raw materials 75a and 75b such as methanol are vaporized and desulfurized in various devices on the way, and reformed in a reformer 76 to generate hydrogen-rich reformed gas. The reformed gas emitted from the reformer 76 is further purified in each step and sent to the fuel cell main body 79. In the fuel cell main body 79, hydrogen in the reformed gas and oxygen in the air 80 taken from outside the system undergo a cell reaction, and DC power 81 is produced. The DC power 81 is converted into AC power by the inverter 82 and supplied to the load 84. Since the battery reaction is an oxidation reaction, it generates heat, and the high-temperature exhaust gas is utilized in the reformer 76 and other heat exchangers.

JP 2002-305010 A

FIG. 6 shows an image of the above-described in-vehicle fuel cell system made into a device by a conventional method.
In FIG. 6, pedestals 71a, 71b, 71c, and 71d are fixed and supported by columns 72 that are erected at the four corners. Each equipment 73 required for the fuel cell system is attached to the gantry 71a to 71d, and a large number of pipes 86, wirings 88 and the like are connected to each other in a complicated manner to constitute the apparatus. In addition, this apparatus is portable and needs to withstand acceleration caused by vibration or large acceleration / deceleration. In particular, the gantry 71a to 71d and the column 72 need to be designed to be robust, making it difficult to reduce the size and weight.

  The present invention has been made in view of the above problems. By using a passage built-in pedestal that incorporates piping, wiring, and the like, and by constructing the passage built-in pedestal in a three-dimensional manner, there is no need for a pedestal or a column, while maintaining rigidity and a small size. An object of the present invention is to provide a three-dimensional path built-in base that can be reduced in weight.

The three-dimensional path built-in base according to the present invention that solves the above problems is
A groove serving as a fluid flow path and a wiring path is formed in the joining surface of the flat plate-like first plate and the flat plate-like second plate, and at least one of the first plate and the second plate has the groove A communication hole is formed on the surface of the plate so as to communicate with the device and the part. By joining the first plate and the second plate, the device and the part are connected to the groove through the communication hole. With multiple sets of pedestal built-in base that communicates with
In one of the passage built-in pedestals to be connected, a first through hole perpendicular to the surface of the first plate or the surface of the second plate is formed in the side end portion so as to communicate with the groove,
In the other built-in passage base to be connected, a second through hole perpendicular to the side end surface is formed in communication with the groove,
Each of the passage built-in bases is assembled vertically and fixed to each other so that the first through hole and the second through hole communicate with each other through a seal member.
By assembling each passage built-in pedestal vertically, the three-dimensional passage built-in pedestal can be formed into, for example, a box shape, an L shape, a U shape, or a crank shape. In addition, the grooves of each passage built-in base are communicated with each other by the first through hole and the second through hole.

The three-dimensional path built-in base according to the present invention that solves the above problems is
A groove serving as a fluid flow path and a wiring path is formed in the joining surface of the flat plate-like first plate and the flat plate-like second plate, and at least one of the first plate and the second plate has the groove A communication hole is formed on the surface of the plate so as to communicate with the device and the part. By joining the first plate and the second plate, the device and the part are connected to the groove through the communication hole. With multiple sets of pedestal built-in base that communicates with
In one of the passage built-in bases to be connected, a third through hole perpendicular to the surface of the first plate, the surface of the second plate, and the side end surface is formed at the side end portion thereof in communication with the groove.
In the other built-in passage base to be connected, a fourth through-hole perpendicular to the side end surface is formed in communication with the groove,
Each passage built-in base is assembled in a cross shape and fixed to each other so that the third through hole and the fourth through hole communicate with each other through a seal member.

  According to the present invention, the pedestal with a built-in passage is three-dimensionally assembled and fixed in a box shape or a cross shape, so that it becomes self-supporting even without a pedestal or a column, and the rigidity of the entire unit is remarkably increased. Also become stronger. Moreover, since no pedestals or columns are used, it is possible to reduce the size and weight.

  Further, according to the present invention, when one system is configured using a plurality of sets of passage built-in pedestals, between the built-in passages between the mutual passage built-in channels without using external piping or the like, By connecting the passages to each other, piping and wiring are connected, so that it is not necessary to provide complicated external piping and external wiring, which contributes to cost reduction at the time of manufacture and can reduce the size and weight of the system.

Embodiments according to the present invention will be described below with reference to FIGS.
In FIG. 1 to FIG. 3, the same reference numerals are used for equivalent components, and duplicate descriptions are omitted.

  FIG. 1 is a diagram showing a three-dimensional passage built-in base as an example of an embodiment according to the present invention, FIG. 1A is a perspective view of the whole, and FIG. Sectional drawing of the connection part of is shown.

  As shown in FIG. 1A, the three-dimensional path built-in base 1A of this embodiment is assembled into a box-shaped three-dimensional shape using four sets of path built-in bases 7. In each passage built-in pedestal 7 constituting the three-dimensional passage built-in pedestal 1A, the lower plate 5 (second plate) has a groove 4 as described in FIG. 4 on the joint surface with the plate 3 (first plate). (See also FIG. 1B), and the upper plate 3 is joined to the lower plate 5 by an appropriate method such as FSW (friction stir welding). Furthermore, various devices / parts 9 are mounted on at least one plate, specifically, the upper plate 3 by studs or nuts 25. The devices / parts 9 on each passage built-in pedestal 7 communicate with the grooves 4 formed in the lower plate 5 through communication holes (not shown) provided in the upper plate 3. -Components 9 are connected to each other. The communication hole and the groove 4 serve as a pipe through which a liquid or gas necessary for the system configuration flows, or as a wiring passage for supplying a signal or electric power. If it is a flow path, it is arrange | positioned in a suitable position, length, a cross-sectional area, and a direction according to the property, flow velocity, pressure loss, etc. of a fluid. The groove 4 may be formed not on the lower plate 5 but on the upper plate 3 side, or may be formed on both the upper plate 3 and the lower plate 5.

  As various devices / parts 9, components and devices necessary for the system are used. For example, in the case of a fuel cell system, components and devices such as a drain pot, a heat exchanger, a check valve, a switching valve, and a flow rate regulator are used. Used.

  When assembling each passage built-in base 7 in a box shape, the studs 15 are tightened and fixed via the stoppers 13. Further, instead of the stopper 13, the passage built-in pedestal 7 may be directly fixed to each other by the implanted bolt 17, and further, the three-dimensional passage built-in pedestal 1 </ b> A using these stopper 13 and the implanted bolt 17 together. It is also possible to reinforce the strength. When assembling each passage built-in pedestal 7 in a box shape, the grooves 4 of the respective passage built-in pedestals 7 are communicated with each other by a structure as shown in FIG. Specifically, in one of the connected passage bases 7 connected, a through hole 8 (first through hole) that communicates with the groove 4 and is perpendicular to the surface of the lower plate 5 is formed at the side end. In the other passage built-in pedestal 7 connected to the one passage built-in pedestal 7, a through hole 10 (second through hole) that communicates with the groove 4 and is perpendicular to the side end surface thereof is formed. The through hole 8 and the through hole 10 are assembled so as to communicate with each other via an O-ring 6 (seal member).

  In addition, the material of the upper plate 3 and the lower plate 5 is determined according to the purpose of the system configuration. For example, when it is desired to reduce the weight, aluminum or the like is preferable from the viewpoint of ease of forming and joining the grooves, When strong rigidity is required, stainless steel having high material strength is preferable. Further, when the rigidity of the entire system can be maintained by a reinforcing member or the like, or when high rigidity is not required, the upper plate 3, the lower plate 5, or the whole of the upper plate 3 and the lower plate 5 can be visually recognized so that the fluid flowing through the groove inside the passage built-in base is visible. The part may be configured by using a transparent resin material. For example, when the system is inspected, the fluid flow is easily visible.

  In addition, when it is necessary to directly connect the passage bases 7 with piping or wiring, a communication hole communicating with the groove 4 is provided in the upper plate 3 or the like, and these communication holes are connected with appropriate piping or wiring. You may make it connect directly. Furthermore, when it is necessary to directly connect the devices / components 9 by piping or wiring, the devices / components 9 may be directly connected by appropriate piping or wiring.

  In this way, a plurality of built-in passage bases 7 are suspended from each other and assembled into a box shape, so that even when a complicated flow path is required, a system can be configured with a simple configuration. In addition, since the passage built-in pedestal 7 itself also serves as a pedestal and a support column, the pedestal and the support column, which have been necessary in the past, are unnecessary, and the weight can be reduced and the mounting density of the equipment / component 9 is improved. It is also possible to make it easier. In particular, in the case of a box shape, it is possible to protect the device / part 9 having low strength or needing to be protected against dust by arranging it inside the box shape.

  In FIG. 1, as an example, a three-dimensional path built-in pedestal assembled in a box shape is illustrated, but by using a path built-in pedestal 7 having the same configuration, for example, an L-shaped, a U-shaped, a crank In any case, the grooves 4 of the passage bases 7 are communicated with each other.

  2A and 2B are views showing a three-dimensional passage built-in base as another example of the embodiment according to the present invention. FIG. 2A is a perspective view of the whole and FIG. 2B is a passage built-in. Sectional drawing of the connection part of bases is shown.

  As shown in FIG. 2 (a), the three-dimensional path built-in base 1B of the present embodiment has a plurality of stages, specifically, the three-dimensional path built-in base 1A (see FIG. 1 (a)) shown in the first embodiment. These are assembled in a box-shaped three-dimensional shape by vertically combining three stages. Since the flow path built-in pedestal 7 itself constituting the three-dimensional path built-in pedestal 1B is exactly the same as that described in the first embodiment, detailed description thereof is omitted here.

  Comparing FIG. 2A with FIG. 6 described above, in the three-dimensional path built-in base 1B of the present embodiment, the piping 86 and the like connecting the mounts 71a to 71d shown in FIG. At this time, the work efficiency can be greatly improved during maintenance work. Also, instead of the support column 72, in this embodiment, the passage built-in pedestal 7 is used. It is possible to improve the mounting density of the devices / components 9 constituting the system by making effective use. In FIG. 2 (a), a three-stage configuration is used for comparison with FIG. 6. However, when incorporating the same number of parts and equipment as FIG. 6, a two-stage three-dimensional path built-in base is sufficient. It becomes possible to reduce the size and weight.

  When assembling each passage built-in pedestal 7, the uppermost and lowermost passage built-in pedestals 7 are structured as shown in FIG. The passage built-in pedestals 7 are connected. In other stages, the grooves 4 of the respective passage built-in pedestals 7 are communicated with each other by the structure as shown in FIG. Specifically, in one of the passage built-in bases 7 to be connected, the side end portion communicates with the groove 4 and is perpendicular to the surfaces of the upper plate 3 and the lower plate 5 (first through holes 8). In the other passage built-in pedestal 7 connected to one passage built-in pedestal 7, a through hole 10 (second through hole) that communicates with the groove 4 and is perpendicular to the side end surface is formed. The through hole 8 and the through hole 10 are assembled so as to communicate with each other through the O-ring 6.

  FIG. 3 is a view showing a three-dimensional path built-in base that is still another example of the embodiment according to the present invention. FIG. 3 (a) is a perspective view of the whole, and FIG. Sectional drawing of the connection part of channel | path built-in bases is shown.

  As shown in FIG. 3A, the three-dimensional path built-in base 1C of this embodiment uses four sets of path built-in bases 7 so that one side surface of these four sets of path built-in bases 7 has a cross shape. And fixed by a plurality of upper and lower stoppers 19 and studs 21. And it becomes the structure which can become independent on the other side side used as a cross shape. In addition, since the structure, function, etc. of each channel | base built-in base 7 are completely the same as what was demonstrated in Example 1, the detailed description is abbreviate | omitted here.

  In the present embodiment, since the plurality of passage built-in bases 7 are assembled in a cross shape, the overall length, the entire width, etc. of the entire system are larger than in the case of the first embodiment. 7 can be arranged not only on one surface of the apparatus 7 but also on the other surface side, and the mounting density of the apparatus / component 9 can be improved.

  When assembling each passage built-in pedestal 7, the passage built-in pedestals 7 are connected to each other using a stopper 19, a planting bolt 20, and the like. With the structure as shown, the grooves 4 of the passage built-in bases 7 communicate with each other. Specifically, in one of the passage built-in bases 7 to be connected, the side end portion communicates with the groove 4 and is perpendicular to the surface of the upper plate 3 and the lower plate 5 (third hole 3 ′). Through-holes 8 ′ (third through-holes) perpendicular to the side end surfaces thereof are formed, and in the other passage built-in base 7 connected to one passage built-in base 7, 4, and a through hole 10 ′ (fourth through hole) perpendicular to the side end surface is formed, and the assembly is performed such that the through hole 8 ′ and the through hole 10 ′ communicate with each other via the O-ring 6. It has been. In addition, you may comprise so that the groove | channels 4 of the channel | path built-in base 7 may mutually communicate via the O-ring 6 by the external piping 11. FIG.

  As shown in Examples 1 to 3 above, the passage built-in pedestal is three-dimensionally assembled and fixed in a box shape or a cross shape, so that it becomes self-supporting even without a frame or a column, and the rigidity of the entire unit is remarkably increased. In addition, it is strong against vibration and shock loads. In addition, since no frame or main pillar is used, it is possible to reduce the size and weight. Further, even when a plurality of sets of passage built-in pedestals constitute one system, the mutual passage built-in pedestals are connected to each other at the shortest and the minimum, which contributes to reduction in size and weight and cost reduction.

It is a figure which shows the solid-type channel | path built-in base used as an example of embodiment which concerns on this invention. It is a figure which shows the solid-type channel | path built-in base as another example of embodiment which concerns on this invention. It is a figure which shows the solid-type channel | path built-in base as another example of embodiment which concerns on this invention. It is a schematic block diagram of the base with a built-in passage. It is the figure which showed the example of the process flow of the vehicle-mounted fuel cell system. It is the figure which showed the image which united the vehicle-mounted fuel cell system by the conventional method.

Explanation of symbols

1A, 1B, 1C Three-dimensional passage built-in pedestal 3 Upper plate 4 Groove 5 Lower plate 6 O-ring 7 Passage built-in pedestal 8, 8 'Through hole 9 Equipment / part 10, 10' Through hole 11 External piping 13 Stopper 15 Stud bolt 17 Stud Bolt 19 Stopper 21 Stud Bolt 25 Nut 51 Passage Built-in Base 52 Upper Plate 53 Lower Plate 54 Communication Holes 57 and 57 ′ Equipment 59 Stud Bolt 60 Nut 62 Groove 71a to 71d Base 72 Strut 73 Equipment 75a and 75b Raw Material 76 Reformer 79 Fuel Cell Main Body 80 Air 81 DC Power 82 Inverter 84 Load 86 Piping 88 Wiring

Claims (2)

A groove serving as a fluid flow path and a wiring path is formed in the joining surface of the flat plate-like first plate and the flat plate-like second plate, and at least one of the first plate and the second plate has the groove A communication hole is formed on the surface of the plate so as to communicate with the device and the part. By joining the first plate and the second plate, the device and the part are connected to the groove through the communication hole. With multiple sets of pedestal built-in base that communicates with
In one of the passage built-in pedestals to be connected, a first through hole perpendicular to the surface of the first plate or the surface of the second plate is formed in the side end portion so as to communicate with the groove,
In the other built-in passage base to be connected, a second through hole perpendicular to the side end surface is formed in communication with the groove,
A three-dimensional path built-in pedestal characterized in that the respective path built-in pedestals are assembled vertically and fixed to each other so that the first through hole and the second through hole communicate with each other through a seal member. A groove serving as a fluid flow path and a wiring path is formed in the joining surface of the flat plate-like first plate and the flat plate-like second plate, and at least one of the first plate and the second plate has the groove A communication hole is formed on the surface of the plate so as to communicate with the device and the part. By joining the first plate and the second plate, the device and the part are connected to the groove through the communication hole. With multiple sets of pedestal built-in base that communicates with
In one of the passage built-in bases to be connected, a third through hole perpendicular to the surface of the first plate, the surface of the second plate, and the side end surface is formed at the side end portion thereof in communication with the groove.
In the other built-in passage base to be connected, a fourth through-hole perpendicular to the side end surface is formed in communication with the groove,
A three-dimensional path built-in pedestal characterized in that each path built-in base is assembled in a cross shape and fixed to each other so that the third through hole and the fourth through hole communicate with each other through a seal member.

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