JP5661057B2 - Hydrogen station - Google Patents

Description

  The present invention relates to a hydrogen station, and more particularly, to a hydrogen station that fills a fuel tank of a fuel cell vehicle (hydrogen vehicle) using hydrogen as fuel with hydrogen charged in an accumulator via a dispenser.

  As a hydrogen station for filling hydrogen fuel, which is the fuel of a hydrogen vehicle, into a fuel tank of the vehicle, the necessary equipment such as a compressor, accumulator, and dispenser are unitized and moved in a container that can be loaded onto a loading platform such as a trailer. A type hydrogen station is known (for example, refer to Patent Document 1).

JP-A-2005-24061

  As described in Patent Document 1, various hydrogen stations in which various devices are housed in containers and the like have been proposed. Examination of optimization of various device arrangements in consideration of safety and workability Was not done well.

  Therefore, the present invention can optimize the arrangement of the equipment in the cabinet and improve the safety and workability when storing the equipment necessary for filling the hydrogen vehicle with hydrogen in the cabinet. The purpose is to provide a hydrogen station that can be easily installed at the station.

In order to achieve the above object, the hydrogen station of the present invention is a hydrogen station in which a hydrogen vehicle is filled with hydrogen in a rectangular parallelepiped cabinet, and the cabinet stores hydrogen in the longitudinal direction of the cabinet. The chamber is divided into an equipment room and a hydrogen filling equipment room, and a working room between the hydrogen storage equipment room and the hydrogen filling equipment room, and the hydrogen storage equipment room is pressurized with hydrogen in the short direction of the cabinet. Comprising a pressure accumulator space for storing the pressure accumulator to be stored in, and a compressor space for storing a compressor for boosting the hydrogen gas supplied from the outside and filling the pressure accumulator, the hydrogen filling equipment room, , in the lateral direction of the cabinet, a dispenser space for accommodating the dispenser for controlling the pressure and flow rate of the hydrogen to be filled in the hydrogen vehicle, hydrogen vehicles Partitioned into a cooler space for accommodating a cooler for cooling the hydrogen filled, placed in diagonal positions relative to the front Symbol accumulator space the condenser space, the cooler the filling portion of the hydrogen vehicles In addition to being provided on the cabinet wall surface of the space, a work room doorway having an open / close door is provided on the wall surface of the cabinet .

  Further, in the hydrogen station of the present invention, the pipe connecting the pressure accumulator and the dispenser is installed under the floor or ceiling of the work room, and the hydrogen storage device room and the work room are partitioned by a partition wall. In addition, the partition is provided with a working opening having an opening / closing cover capable of operating the original valve of the pressure accumulator.

According to the hydrogen station of the present invention, a cooler space provided with a filling portion for filling hydrogen into a hydrogen automobile and a pressure accumulator space in which a pressure accumulator storing a large amount of hydrogen at a high pressure is disposed at diagonal positions of the cabinet. Since it is arranged, even if a hydrogen vehicle may collide with the cabinet, the risk of damaging the accumulator can be avoided. Further, since the working chamber is disposed between the hydrogen storage device chamber in which the pressure accumulator is stored and the hydrogen filling device chamber in which the dispenser and the cooler are stored, safety can be further improved. Furthermore, it is possible to easily perform daily necessary operations such as operation of the main valve of the pressure accumulator by entering the working room from the entrance / exit with an opening / closing door, and safety is improved as compared with operation from the cabinet outer wall side. .

It is a schematic plan view for demonstrating one example of the hydrogen station of this invention. It is a schematic plan view for demonstrating the state which provided two hydrogen stations of this invention side by side.

  The hydrogen station 10 shown in the present embodiment is an example in which various devices necessary for filling a hydrogen vehicle with hydrogen as fuel are contained in a rectangular parallelepiped cabinet 11 installed on a solid frame. The interior of the cabinet 11 includes a hydrogen storage device chamber 14 and a hydrogen filling device chamber 15, and the hydrogen storage device chamber 14 and the hydrogen filling device by two partition walls 12 and 13 in a direction parallel to the short side 11 a of the cabinet 11. Three chambers, which are the working chamber 16 and the chamber 15, are partitioned side by side in the longitudinal direction of the cabinet 11.

  The interior of the hydrogen storage device chamber 14 includes a pressure accumulator space 19 in which a pressure accumulator 18 for storing hydrogen at high pressure is disposed by a partition member 17 in a direction parallel to the long side 11b of the cabinet 11, and hydrogen supplied from the outside. It is divided into a compressor space 21 in which a compressor 20 for boosting gas and filling the accumulator 18 is arranged. The cabinet outer wall of the compressor space 21 is provided with a hydrogen supply port 22 for supplying hydrogen from the outside. The pressure accumulator 18 in the pressure accumulator space 19 and the compressor 20 in the compressor space 21 are: The partition member 17 is connected by a pressure accumulating pipe 23 arranged under the floor or ceiling.

  The hydrogen filling equipment chamber 15 has a dispenser space 26 in which a dispenser 25 for controlling the pressure and flow rate of hydrogen filling the hydrogen automobile is arranged by a partition member 24 in a direction parallel to the long side 11b, and a hydrogen automobile. It is divided into a cooler space 28 in which a cooler 27 for cooling the hydrogen charged in is disposed. The accumulator 18 in the accumulator space 19 and the dispenser 25 in the dispenser space 26 are connected by a high-pressure hydrogen pipe 29 passing under the floor or the ceiling of the work chamber 16, and the dispenser 25 in the dispenser space 26 and the cooler are connected. The cooler 27 in the space 28 is connected by a filling hydrogen pipe 30 disposed under the floor or ceiling of the partition member 24.

  In addition, on the outer wall of the cabinet of the cooler space 28, a filling portion 31 is provided to which a connection pipe for filling hydrogen into a fuel tank of a hydrogen automobile is connected. The cooler space 28 including the filling portion 31 is provided at a diagonal position of the cabinet 11 with respect to the accumulator space 19, and the position of the filling portion 31 provided in the vicinity of the passage where the hydrogen automobile travels. The pressure accumulator space 19 is disposed so as to be the farthest position in the cabinet 11.

  An entrance / exit 33 having an open / close door 32 is provided on the wall surface of the cabinet 11 where the work chamber 16 is located. In addition, the partition 12 between the working chamber 16 and the hydrogen storage equipment chamber 14 is inspected for the working opening 35 provided with an opening / closing cover 34 that opens when the main valve 18V of the pressure accumulator 18 is operated, and the compressor 20. An inspection port 37 is provided for opening and closing the door 36 when entering. The opening / closing door 32 of the entrance / exit 33, the opening / closing cover 34 of the work opening 35, and the door 36 of the inspection port 37 are formed so as to be lockable. I can't do it.

  Each pipe is provided with an automatic valve, a manual valve, and a check valve at predetermined positions. The automatic valve provided in each pipe through which hydrogen flows when filling hydrogen into a hydrogen automobile It is formed so as to automatically open and close when filling is completed.

The hydrogen station thus formed includes a cooler space 28 having a filling portion 31 for filling a hydrogen vehicle with hydrogen, and a pressure accumulator space 19 in which a pressure accumulator 18 storing a large amount of hydrogen at a high pressure is arranged. Since the hydrogen vehicle that has visited the hydrogen station 10 to fill with hydrogen as a fuel may collide with the cabinet 11 in the vicinity of the filling unit 31, The pressure accumulator 18 can be protected from the impact of the collision, and the danger that the pressure accumulator 18 is damaged and hydrogen leaks out can be avoided. Further, by providing a guard portion such as an appropriate fence outside the accumulator space 19, the accumulator 18 can be more reliably protected.

  In addition, since the work chamber 16 is disposed between the hydrogen storage device chamber 14 and the hydrogen filling device chamber 15, safety against a collision of a hydrogen automobile with the cabinet 11 can be further enhanced. In addition, by arranging the high-pressure hydrogen pipe 29 connecting the pressure accumulator 18 and the dispenser 25 under the floor or ceiling of the work chamber 16, the pipe can be protected from an impact such as a collision of a hydrogen automobile.

Furthermore, in the work chamber 16 provided in the cabinet 11 through the entrance / exit 33 having the open / close door 32, the open / close cover 34 is opened to routinely operate the main valve 18 </ b> V of the pressure accumulator 18 from the work opening 35. The operation to be performed can be easily performed. Furthermore, the compressor 20 can be easily inspected by opening the door 36 and entering the compressor space 21 from the inspection port 37. In addition, by making the open / close door 32, the open / close cover 34, and the door 36 lockable, it is possible to prevent anyone other than those involved from entering the work chamber 16 and opening / closing the main valve 18V. Compared with the case where it can be operated from the outside, safety can be greatly improved.

  In particular, the necessary equipment is stored in the cabinet 11 so that it can be used at the factory, the cabinet 11 is transported by a trailer and installed on the site, and the hydrogen station is simply connected to electricity or water. Therefore, the foundation work can be minimized and the underground piping work can be omitted, so that the installation of the hydrogen station 10 can be completed in a short time and at a low cost.

FIG. 2 shows an arrangement state of each hydrogen station 10 when two hydrogen stations 10 are provided side by side. In the following description, the same components as those of the hydrogen station shown in the above-described embodiment are given the same reference numerals, and detailed description thereof is omitted.

  When two hydrogen stations 10 are provided in this way, the filling portion 31 of the cooler space 28 is located on the outer wall of the cabinet 11 facing the passage 38 between the passages 38 of the hydrogen automobiles arranged on both sides. The cabinet 11 is installed so that the accumulator space 19 is located on the opposite side of the passage 38. Thus, by installing the cabinets 11 in a back-to-back state, there is no risk of a hydrogen vehicle colliding with the pressure accumulator space 19, and safety when a plurality of hydrogen stations 10 are installed can be improved.

  The pressure accumulating pipe and the filling hydrogen pipe can also be provided in a state of penetrating the partition walls. In the above-described embodiment, an example in which each chamber and each space is completely partitioned by partition walls has been described, but each chamber and space may be partitioned without providing partition walls. In addition, the open / close door for entering / exiting the work room can be provided at a position where the work room enters / exits through another room or space. In addition, various devices such as compressors, accumulators, dispensers, and coolers that are used in the hydrogen station are selected from those conventionally used for this type depending on conditions such as the capabilities of each device. Since safety measures using nitrogen gas or the like can be performed in the same manner, detailed description of these functions and the like is omitted. Further, when the dispenser has a cooling function, the dispenser space and the cooler space need not be partitioned.

  DESCRIPTION OF SYMBOLS 10 ... Hydrogen station, 11 ... Cabinet, 11a ... Short side, 11b ... Long side, 12, 13 ... Partition, 14 ... Hydrogen storage equipment room, 15 ... Hydrogen filling equipment room, 16 ... Work room, 17 ... Partition member, 18 ... pressure accumulator, 18V ... main valve, 19 ... accumulator space, 20 ... compressor, 21 ... compressor space, 22 ... hydrogen supply port, 23 ... piping for pressure accumulation, 24 ... partition member, 25 ... dispenser, 26 ... dispenser Space, 27 ... Cooler, 28 ... Cooler space, 29 ... High-pressure hydrogen piping, 30 ... Filling hydrogen piping, 31 ... Filling section, 32 ... Opening / closing door, 33 ... Entrance / exit, 34 ... Opening / closing cover, 35 ... Working opening 36 ... Door, 37 ... Inspection port, 38 ... Passage

Claims (2)

In a hydrogen station in which equipment for filling hydrogen into a hydrogen vehicle is housed in a rectangular parallelepiped cabinet, a hydrogen storage equipment room and a hydrogen filling equipment room in the longitudinal direction of the cabinet, and the hydrogen storage equipment room And a work chamber between the hydrogen filling equipment room, and further, a pressure accumulator space for storing a pressure accumulator for storing hydrogen at a high pressure in the short direction of the cabinet in the hydrogen storage equipment room, and an external The hydrogen gas supplied from the compressor is partitioned into a compressor space for storing a compressor for filling the accumulator, and the hydrogen filling device room is filled with hydrogen in a short direction of the cabinet. A dispenser space for storing a dispenser for controlling the pressure and flow rate of the fuel, and a cooler space for storing a cooler for cooling hydrogen charged in the hydrogen vehicle. Partitioned to door,
Placed in diagonal positions relative to the front Symbol accumulator space the condenser space, together with the filling of the hydrogen vehicle provided in the cabinet wall of the cooler space, a working chamber having a door on the wall of the cabinet A hydrogen station with a doorway.  The piping connecting the pressure accumulator and the dispenser is installed under the floor or ceiling of the work room, partitions the hydrogen storage device room and the work room with a partition wall, and the pressure storage on the partition wall. The hydrogen station according to claim 1, wherein a work opening having an opening / closing cover capable of operating a main valve of the vessel is provided.

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