WO2012029166A1 - 損傷検知システムおよび車両 - Google Patents
損傷検知システムおよび車両 Download PDFInfo
- Publication number
- WO2012029166A1 WO2012029166A1 PCT/JP2010/065101 JP2010065101W WO2012029166A1 WO 2012029166 A1 WO2012029166 A1 WO 2012029166A1 JP 2010065101 W JP2010065101 W JP 2010065101W WO 2012029166 A1 WO2012029166 A1 WO 2012029166A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure vessel
- damage detection
- harness
- vehicle
- damage
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/063—Arrangement of tanks
- B60K15/067—Mounting of tanks
- B60K15/07—Mounting of tanks of gas tanks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/1624—Destructible or deformable element controlled
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7723—Safety cut-off requiring reset
Definitions
- the present invention relates to a damage detection system and a vehicle, and more particularly to a damage detection system for detecting damage to a pressure vessel that can compress and store a fluid, and a vehicle equipped with the pressure vessel.
- a pressure vessel such as a high-pressure tank filled with a gas substance compressed at a high pressure at normal temperature and normal pressure such as natural gas or hydrogen gas
- a vehicle such as a natural gas vehicle or a fuel cell vehicle is equipped with a pressure vessel in which a pressure is applied to a natural gas or hydrogen gas used as a fuel to be filled and stored.
- pressure vessels mounted on vehicles are desired to be reduced in weight in order to improve fuel consumption.
- fiber reinforced plastics such as carbon fiber reinforced plastic (CFRP) and glass fiber reinforced plastic (GFRP) are used.
- a pressure vessel made of (FRP) is suitably employed.
- Japanese Patent Laid-Open No. 2005-066944 discloses that the harness is damaged before the gas pipe is damaged, so that the solenoid is de-energized and the electromagnetic valve provided at the end of the hydrogen gas tank is closed. It is described that gas leakage at the time of collision is prevented.
- a pressure vessel When a pressure vessel is mounted on a vehicle, it has been placed in places where impact from the outside, such as impact, is relatively small, such as the rear and center of the vehicle, but in recent years it has been necessary to increase the filling amount per unit volume.
- the pressure resistance of the pressure vessel has been improved due to its characteristics, and the impact resistance has been improved accordingly.
- the lower or bottom part of the vehicle can It may be desirable to install in
- Patent Document 1 even when a pressure vessel such as a hydrogen gas tank is damaged due to an impact from below the vehicle due to road surface interference or the like, an electrical failure or damage occurs in the electromagnetic valve or harness. If not, it can be energized to open the valve, and hydrogen gas may leak from the pressure vessel. Even if hydrogen gas leakage can be avoided, when the electromagnetic valve is opened and the gas is refilled, the leakage from the damaged hydrogen gas tank does not allow sufficient compression and the desired amount is filled. It could be impossible.
- An object of the present invention is to detect or predict damage to a pressure vessel caused by an impact such as interference from the bottom side of the pressure vessel with a simple configuration.
- a damage detection system is provided at one end portion of a pressure vessel, and is extended so that at least a part thereof is along at least a part of the bottom surface of the pressure vessel, which is operated by supplied electric power.
- the vehicle according to the present invention is provided at one end portion of the pressure vessel, and is extended so that at least a part thereof is along at least a part of the bottom surface of the pressure vessel, which is operated by supplied electric power.
- it is a figure for demonstrating the outline of a structure of a vehicle provided with a pressure vessel.
- it is a figure for demonstrating the outline of a structure of a vehicle provided with a pressure vessel.
- it is a figure for demonstrating the mode of the damage detection in the vehicle provided with a pressure vessel.
- it is a figure for demonstrating the outline of a structure of a damage detection apparatus.
- it is a figure for demonstrating the outline of a structure of a vehicle provided with a pressure vessel. In other embodiment of this invention, it is a figure for demonstrating an example of operation
- a pressure vessel 10 illustrated in FIG. 1 includes a hollow liner 12 and a fiber reinforced resin layer (FRP layer) 14 that covers an outer peripheral portion of the liner 12.
- the end of the pressure vessel 10 also has at least one base part 16.
- the base portion 16 is configured to be connectable with a valve not shown here, and the flow of the high-pressure fluid into and out of the pressure vessel 10 can be controlled by opening and closing the valve.
- the liner 12 is configured by adding an elastomer, if necessary, to a thermoplastic resin having high gas barrier properties such as nylon resin such as 6-nylon and 6,6-nylon, and polypropylene resin.
- the fiber reinforced resin layer 14 is made of a fiber bundle (filament) made of, for example, glass fiber, carbon fiber, Kevlar fiber, etc., which is a bundle of a plurality of long and continuous thread-like fibers.
- a so-called prepreg fiber impregnated with a resin solution containing a resin, dried and / or semi-cured as necessary, is wound around the outer peripheral surface of the liner 12, and then the resin solution is cured.
- the thickness of the fiber or fiber bundle constituting the fiber reinforced resin layer 14 or the number of windings of the prepreg fiber is adjusted to adjust the thickness of the fiber reinforced resin layer 14 By doing so, the pressure resistance and impact resistance of the pressure vessel 10 and other design strengths can be made desired.
- FIG. 2A shows an example of a vehicle 100 according to an embodiment of the present invention, in which pressure vessels 10a and 10b corresponding to the pressure vessel 10 shown in FIG. 1 are mounted.
- the upper diagram is a top view of the vehicle 100
- the lower diagram is a side view of the vehicle 100 from the left side.
- the pressure vessels 10a and 10b are arranged in parallel near the back surface 22 of the vehicle 100 so that the longitudinal direction is the side surface direction of the vehicle 100 and substantially parallel to the horizontal plane.
- the power source 24 is disposed closer to the front surface 20 than the pressure vessels 10a and 10b.
- An electromagnetic valve that opens and closes according to the presence or absence of an electric current at one end in the longitudinal direction of the pressure vessels 10a and 10b, more specifically, in the portion corresponding to the opening of the base portion 16 in the pressure vessel 10 illustrated in FIG. 18a and 18b are provided.
- the bottom part of pressure vessel 10a, 10b is equipped with the damage detection part 28a, 28b which each detects the damage from the downward direction of the pressure vessel 10a, 10b accompanying the road surface interference etc., for example.
- the power source 24 may be any power supply source that can supply power to the electromagnetic valves 18a and 18b, and may be, for example, a secondary battery or a capacitor. Not exclusively. Further, the solenoid valves 18a and 18b are opened by energization by the action of a built-in solenoid and closed by deenergization so that the flow of fluid inside and outside the pressure vessels 10a and 10b can be controlled. Can be configured.
- FIG. 2B is a rear view of the vehicle 100 shown in FIG. 2A from the rear 22 side.
- a harness 26 including one or a plurality of wirings for electrically connecting the power supply 24 and the electromagnetic valve 18a is extended along at least a part of the bottom of the pressure vessel 10a.
- the harness 26 is configured to include a power source side harness 26a and a solenoid valve side harness 26b, and is electrically connected via a damage detection unit 28a at a substantially central portion of the bottom of the pressure vessel 10a.
- FIG. 2B only the pressure vessel 10a arranged in the rear of the vehicle 100 and the vicinity thereof are shown, but the pressure vessel 10b and the vicinity thereof may be the same as the arrangement of the pressure vessel 10a and the vicinity thereof. .
- the harness 26 on the pressure vessel 10 a side and the harness 26 on the pressure vessel 10 b side are generally arranged in parallel to the power supply 24.
- a part of the power supply side harness 26a may be shared between the pressure vessel 10a side and the pressure vessel 10b side, but may be arranged independently of each other.
- the power source 24 and the electromagnetic valves 18a and 18b are arranged at the central portions of the pressure vessels 10a and 10b. It is arranged on the opposite side across.
- the power source 24 is illustrated on the right side of the vehicle 100, and the solenoid valves 18a and 18b are illustrated on the left side of the vehicle 100, respectively.
- the arrangement of the power supply 24 and the electromagnetic valves 18a and 18b is not limited to the illustrated one.
- the power supply 24 is arranged on the left side of the vehicle 100 and the electromagnetic valves 18a and 18b are arranged on the right side of the vehicle 100. You may let them.
- FIG. 3 is a diagram illustrating an outline of the configuration of the damage detection device 28 that can be arranged as the damage detection unit 28a or 28b at the bottom of the pressure vessel 10a or 10b in the vehicle 100 shown in FIGS. 2A and 2B.
- the upper diagram corresponds to a top view of the damage detection device 28, and the lower diagram corresponds to a rear view from the rear 22 side of the vehicle 100 in which the damage detection device 28 is disposed. .
- FIG. 3 by inserting the distal end portion of the electromagnetic valve side connector 32 provided at the end of the electromagnetic valve side harness 26b into the power supply side connector 30 provided at the end of the power supply side harness 26a, Configured to connect to.
- the pin 34 is inserted into an opening penetrating the power supply side connector 30 and the solenoid valve side connector 32 in a substantially vertical direction, so that the electrically connected power supply side connector 30 and the solenoid valve side connector 32 can be easily dropped during normal operation. It is fixed not to.
- the pin 34 is in contact with a pressure receiving portion 38 provided below, and the pressure receiving portion 38 is bonded or fixed to the power supply side connector 30 via the fragile layer 36.
- the pin 34 and the pressure receiving portion 38 may be fixed or not fixed as long as they are arranged so as to contact at least.
- an appropriate shape and / or configuration can be adopted as necessary.
- the pin 34 when an excessive pressing force is received from below the pressure receiving portion 38, the pin 34 is once pushed up, the fragile layer 36 is deformed, and at least a part thereof is broken and / or dropped. To do. That is, the fragile layer 36 corresponds to a “deformed portion”.
- the pressure receiving portion 38 is dropped from the power supply side connector 30, and the pin 34 that has lost support by the pressure receiving portion 38 is also dropped.
- the pin 34 falls off, the electrical connection between the power supply side connector 30 and the solenoid valve side connector 32 is disconnected, and the electrical connection between the power supply 24 side and the solenoid valve 18a or 18b side is released.
- the damage detection unit 28b disposed at the bottom of the pressure vessel 10b detects or predicts damage to the pressure vessel 10b.
- the electrical connection between the power source 24 and the pressure vessel 10b is released.
- the power supply from the power source side to the electromagnetic valve can be forcibly stopped. For this reason, the leakage of the fluid from the pressure vessel to the outside can be effectively prevented.
- it is impossible to energize the solenoid valve from the power source so that it is possible to prevent the high pressure fluid from being accidentally filled into the pressure vessel. .
- the pin 34 may be inserted into the openings of the power supply side connector 30 and the solenoid valve side connector 32 and can fix the power supply side connector 30 and the solenoid valve side connector 32.
- stainless steel, aluminum, aluminum alloy or the like having a diameter of about 1 to 2 mm can be suitably used as the pin 34, but is not limited thereto.
- the fragile layer 36 only needs to be able to bond or fix the power supply side connector 30 and the pressure receiving portion 38, and is formed to have a thickness of about 1 to 2 mm, for example.
- the present invention is not limited to this, and can be appropriately set according to the desired physical strength and the shape of the pressure receiving portion 38.
- the pressure receiving portion 38 in order to appropriately transmit the pressing force received by the pressure receiving portion 38 to the pin 34 and the fragile layer 36, it is preferable that the pressure receiving portion 38 has high rigidity and low elasticity.
- stainless steel, low alloy steel, and the like can be preferably used, but are not limited thereto.
- FIG. 5A shows an example of a vehicle 200 according to another embodiment of the present invention, in which pressure vessels 10a and 10b corresponding to the pressure vessel 10 shown in FIG. 1 are mounted.
- the upper diagram is a top view of the vehicle 200
- the lower diagram is a side view of the vehicle 200 from the left side.
- the vehicle 200 shown in FIG. 5A has substantially the same configuration as the vehicle 100 shown in FIG. 2A except that the damage detection units 44a and 44b are provided in place of the damage detection units 28a and 28b.
- FIG. 5B is a rear view of the vehicle 100 shown in FIG. 5A from the rear 22 side. At least a part of a harness 26 including one or a plurality of wirings for electrically connecting the power supply 24 and the electromagnetic valve 18a is extended along at least a part of the bottom of the pressure vessel 10a. Moreover, the damage detection part 44a is arrange
- FIG. 6A is a diagram illustrating an outline of the configuration of the damage detection device 44 that can be disposed as the damage detection unit 44a or 44b at the bottom of the pressure vessel 10a or 10b in the vehicle 200 shown in FIGS. 5A and 5B.
- FIG. 6A corresponds to a side view of the vehicle 200 from the left side.
- the damage detection device 44 shown in FIG. 6A includes a fixing portion 46 that is fixed to the outside of the pressure vessel 10 by an adhesive or other appropriate method, and a pressure receiving portion 48 that receives a pressing force from below the pressure vessel 10. Is provided. Further, the damage detection device 44 is provided with an upper blade 50 and a lower blade 52 projecting at the ends thereof, and the harness 26 is disposed therebetween.
- the damage detection device 44 when an excessive pressing force is received from below the pressure receiving portion 48, the damage detection device 44 is deformed so that the lower blade 52 is pushed up together with the pressure receiving portion 48, and the upper blade 50 and There is no space for housing the harness 26 between the lower blade 52 and the harness 26 is cut and disconnected at the portion of the lower blade 52 pushed up (see FIG. 6B). That is, the damage detection device 44, more specifically, the lower blade 52 pushed up together with the pressure receiving portion 48 corresponds to the “deformed portion”. By damaging or fixing the damage detection device 44 having such a configuration to the bottom of the pressure vessel, it is possible to easily detect damage based on the pressing force received from below the pressure vessel.
- the damage detection unit 44b disposed at the bottom of the pressure vessel 10b detects or predicts damage to the pressure vessel 10b.
- the electrical connection between the power source 24 and the pressure vessel 10b is released.
- the power supply from the power source side to the solenoid valve can be forcibly stopped.
- the leakage of fluid from the outside to the outside can be effectively prevented.
- it is impossible to energize the solenoid valve from the power source so that it is possible to prevent the high pressure fluid from being accidentally filled into the pressure vessel. .
- FIG. 8A a method for manufacturing a damage detection device 44 using a metal flat plate 54 as illustrated in FIG. 8A will be described.
- the flat plate 54 shown in FIG. 8A for example, stainless steel having a thickness of about 1 to 2 mm, carbon steel, other steels, low alloy steels, and the like can be preferably used. It can set suitably according to thickness and intensity
- the portion indicated by the solid line 56 in the flat plate 54 is cut.
- the portion indicated by the broken line 58 is bent at a substantially right angle in the forward direction.
- the bent portions are upper blades 50a, 50b, 50c,... 50z and lower blades 52a, 52b, 52c,.
- the damage detection device 44 as shown in FIG. 8B can be manufactured.
- the phases of the tip portions of the upper blade 50 and the lower blade 52 are shifted by the thickness of the blade, that is, the thickness of the flat plate 54 as a material
- the harness 26 can be broken or collapsed by moving the side surfaces of the upper blade 50 and the lower blade 52 relative to each other to disconnect the internal wiring.
- the upper blades 50a, 50b, 50c,... 50z and the lower blades 52a, 52b, 52c,. 48 can be appropriately set.
- the damage detection system is capable of being damaged based on an input of a pressing force from the bottom surface side of the pressure vessel due to, for example, an arrangement mode such as being mounted on a lower portion or a bottom portion of a vehicle. Can be applied.
- the pressure vessel is not limited to, for example, one made of FRP, but may be made of steel, for example, but when mounted on a vehicle, a pressure vessel made of FRP is preferable.
- the fluid filled in the pressure vessel is not limited to natural gas or hydrogen, and may be nitrogen or oxygen, for example.
- the vehicle according to the embodiment of the present invention may include any vehicle such as a motorcycle, a bicycle, and a train that can be mounted with a pressure vessel at the bottom or bottom of the vehicle.
- the vehicle of the present embodiment can be suitably applied to an automobile such as a natural gas automobile or a fuel cell automobile, in which interference between the bottom of the pressure vessel and the road surface may occur depending on the arrangement of the pressure vessel.
Abstract
Description
Claims (8)
- 圧力容器の一方端部に設けられ、供給される電力により動作する電磁弁と、
少なくとも一部が前記圧力容器の底面の少なくとも一部に沿うように延設される、前記電磁弁に電力を供給するためのハーネスと、
前記圧力容器の底面側からの押圧力の入力に基づいて前記圧力容器の損傷を検知する損傷検知部と、
を備える損傷検知システム。 - 前記損傷検知部が前記圧力容器の損傷を検知したときに、前記ハーネスと前記電磁弁との電気的接続を解除し、前記電磁弁への通電を不能にする、請求項1に記載の損傷検知システム。
- 前記損傷検知部が、前記圧力容器の底面側からの押圧力を受容する押圧受容部と、前記押圧受容部が受ける押圧力に基づいて変形し、前記ハーネスと前記電磁弁との電気的接続を解除する変形部とを備える、請求項1に記載の損傷検知システム。
- 前記損傷検知部が、前記圧力容器の底面側からの押圧力を受容する押圧受容部と、前記押圧受容部が受ける押圧力に基づいて変形し、前記ハーネスと前記電磁弁との電気的接続を解除する変形部とを備える、請求項2に記載の損傷検知システム。
- 圧力容器の一方端部に設けられ、供給される電力により動作する電磁弁と、
少なくとも一部が前記圧力容器の底面の少なくとも一部に沿うように延設される、前記電磁弁に電力を供給するためのハーネスと、
前記圧力容器の底面側からの押圧力の入力に基づいて前記圧力容器の損傷を検知する損傷検知部と、
を備える車両。 - 前記損傷検知部が前記圧力容器の損傷を検知したときに、前記ハーネスと前記電磁弁との電気的接続を解除し、前記電磁弁への通電を不能にする、請求項5に記載の車両。
- 前記損傷検知部が、前記圧力容器の底面側からの押圧力を受容する押圧受容部と、前記押圧受容部が受ける押圧力に基づいて変形し、前記ハーネスと前記電磁弁との電気的接続を解除する変形部とを備える、請求項5に記載の車両。
- 前記損傷検知部が、前記圧力容器の底面側からの押圧力を受容する押圧受容部と、前記押圧受容部が受ける押圧力に基づいて変形し、前記ハーネスと前記電磁弁との電気的接続を解除する変形部とを備える、請求項6に記載の車両。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/065101 WO2012029166A1 (ja) | 2010-09-03 | 2010-09-03 | 損傷検知システムおよび車両 |
US13/577,966 US8678023B2 (en) | 2010-09-03 | 2010-09-03 | Damage detection system and vehicle |
CN201080064572.6A CN102770703B (zh) | 2010-09-03 | 2010-09-03 | 损伤检测系统及车辆 |
JP2011551144A JP5163818B2 (ja) | 2010-09-03 | 2010-09-03 | 損傷検知システムおよび車両 |
DE112010005837.7T DE112010005837B4 (de) | 2010-09-03 | 2010-09-03 | Schadenerfassungssystem und Fahrzeug |
Applications Claiming Priority (1)
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PCT/JP2010/065101 WO2012029166A1 (ja) | 2010-09-03 | 2010-09-03 | 損傷検知システムおよび車両 |
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WO2012029166A1 true WO2012029166A1 (ja) | 2012-03-08 |
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PCT/JP2010/065101 WO2012029166A1 (ja) | 2010-09-03 | 2010-09-03 | 損傷検知システムおよび車両 |
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US (1) | US8678023B2 (ja) |
JP (1) | JP5163818B2 (ja) |
CN (1) | CN102770703B (ja) |
DE (1) | DE112010005837B4 (ja) |
WO (1) | WO2012029166A1 (ja) |
Cited By (1)
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JP6055946B1 (ja) * | 2016-03-29 | 2016-12-27 | 大陽日酸株式会社 | 燃料ガス供給装置用模擬信号発信装置 |
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JP6509900B2 (ja) * | 2014-03-28 | 2019-05-08 | ファーベル・インダストリエ・エス.ピー.エー.Faber Industrie S.P.A. | 複合材料の圧力容器、並びに、容器を制御するためのシリンダー及び方法 |
US11110785B2 (en) * | 2017-08-02 | 2021-09-07 | Toyota Jidosha Kabushiki Kaisha | Vehicle rear portion structure |
CN111928908B (zh) * | 2020-10-14 | 2021-01-01 | 华南理工大学 | 一种氢能汽车的工况实时监控方法及系统 |
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2010
- 2010-09-03 DE DE112010005837.7T patent/DE112010005837B4/de not_active Expired - Fee Related
- 2010-09-03 CN CN201080064572.6A patent/CN102770703B/zh not_active Expired - Fee Related
- 2010-09-03 JP JP2011551144A patent/JP5163818B2/ja active Active
- 2010-09-03 US US13/577,966 patent/US8678023B2/en active Active
- 2010-09-03 WO PCT/JP2010/065101 patent/WO2012029166A1/ja active Application Filing
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DE112010005837B4 (de) | 2016-03-03 |
DE112010005837T5 (de) | 2013-06-20 |
CN102770703A (zh) | 2012-11-07 |
US20120305107A1 (en) | 2012-12-06 |
JP5163818B2 (ja) | 2013-03-13 |
CN102770703B (zh) | 2014-04-16 |
JPWO2012029166A1 (ja) | 2013-10-28 |
US8678023B2 (en) | 2014-03-25 |
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