CN203686577U - Liquefied gas and fuel gas impact safety system for vehicle - Google Patents
Liquefied gas and fuel gas impact safety system for vehicle Download PDFInfo
- Publication number
- CN203686577U CN203686577U CN201420032230.1U CN201420032230U CN203686577U CN 203686577 U CN203686577 U CN 203686577U CN 201420032230 U CN201420032230 U CN 201420032230U CN 203686577 U CN203686577 U CN 203686577U
- Authority
- CN
- China
- Prior art keywords
- fuel gas
- control valve
- hydraulic control
- gas
- inductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002737 fuel gas Substances 0.000 title claims abstract description 36
- 239000007789 gas Substances 0.000 title claims abstract description 28
- 239000000567 combustion gas Substances 0.000 claims description 16
- 230000035939 shock Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 14
- 239000003949 liquefied natural gas Substances 0.000 abstract description 13
- 239000003915 liquefied petroleum gas Substances 0.000 abstract description 10
- 239000003345 natural gas Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 239000000446 fuel Substances 0.000 description 9
- 239000010720 hydraulic oil Substances 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 3
- 238000009432 framing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a liquefied gas and fuel gas impact safety system for a vehicle in the field of equipment safety devices, and in particular relates to a vehicle fuel gas system suitable for liquefied natural gas (LNG), liquefied petroleum gas (LPG) and compressed natural gas (CNG). The impact safety system comprises a hydraulic control valve, a capillary oil pipe and an impact sensor. The impact safety system is characterized in that a capillary steel pipe is communicated with the hydraulic control valve and the impact sensor; the impact sensor is arranged on an external protection structure of a fuel gas system pipeline; the capillary oil pipe is connected with a hydraulic pressurization system; the hydraulic control valve is switched on under the action of hydraulic pressure, is mounted at an outlet of a fuel gas bottle and is switched off when losing the pressure. When the vehicle fuel gas system is impacted, an impact safety valve instantly automatically closes an outer conveying port of the fuel gas bottle and thus the safety of the fuel gas system is improved. The impact safety system has the advantages of being reasonable in structure, easy to mount, safe, reliable and the like.
Description
Technical field
The utility model relates to a kind of motor liquified gas combustion gas shock safety system in gas-fired equipment safety installations field, is specially adapted to the vehicle fuel gas system of LNG Liquefied natural gas (LNG), liquefied petroleum gas (LPG) (LPG) and compressed natural gas (CNG).Background technique
LNG Liquefied natural gas (LNG), liquefied petroleum gas (LPG) (LPG) and compressed natural gas (CNG) are compared with current conventional vehicle fuel bavin Water Oil Or Gas, be a kind of low-carbon (LC) clean energy resource, constantly increase in the application in vehicle fuel field.Be mainly used in bus, heavy truck and transport vehicle etc., after replacement fuel oil, can effectively reduce the discharge of carbon dioxide, sulfur dioxide and nitrogen oxide.But the secondary disaster of fuel gas system in the time of vehicle encounters traffic accident can not be ignored.Wherein, the Main Ingredients and Appearance of LNG Liquefied natural gas (LNG) is methane, its storage in liquid temperature-162 DEG C, as leak, it is approximately 600 times of its storage in liquid volumes with amount gaseous natural gas volume; Compressed natural gas (CNG) stores under 200 atmospheric pressure, once leak, can in the short time, form a large amount of flammable vapor cloud, and in the time meeting with traffic accident, driver may have no time and experience is carried out timely fuel shutoff source of the gas.Once gas pipeline is because of accident breakage, LNG Liquefied natural gas, liquefied petroleum gas (LPG) or compressed natural gas in fuel gas cylinder all can leak, form flammable, can gas explosion cloud.The on-the-spot high temperature heat source such as spark or outlet pipe because of metal bump friction generation all may be ignited, and endangers huge.For a large amount of passengers on bus, its harm is inestimable especially.For the safety of personnel and property, the Safety performance of vehicle fuel gas system has much room for improvement.
Summary of the invention
The purpose of this utility model is to provide a kind of vehicle fuel gas system and clashes into safety valve (ISV), it act as in the time that vehicle is subject to clashing into, automatically close the outlet of fuel gas cylinder, the fuel gas under the state that can effectively avoid traffic accident in fuel gas cylinder leaks.
The utility model is achieved through the following technical solutions:
Safety system is clashed in a kind of motor liquified gas combustion gas, comprise hydraulic control valve, capillary oil pipe and shock inductor, it is characterized in that: capillary oil pipe is communicated with hydraulic control valve and clashes into inductor, clashing into inductor is arranged in fuel gas system pipeline outer protection structure, capillary oil pipe connects hydraulic pressure boosting system, hydraulic control valve is opening state under hydraulic pressure, hydraulic control valve is arranged on the outlet of fuel gas cylinder, when hydraulic control valve decompression, be closed condition, when fuel vehicle is collided, and while breaking the outer steel structure of fuel gas cylinder protective tube road system, will certainly crash through the shock inductor being arranged on structural framing, now, hydraulic oil in inductor is released out, cause hydraulic control valve pressure release to cut off rapidly air delivering pipeline, stop fuel cylinder air feed, above-mentioned technological scheme is done to further restriction, and described shock inductor is to adopt frangible pottery or vial, and there is metal shell protecting jacket outside, only in the time being subject to external impact, just may break, above-mentioned technological scheme is done to further restriction, clash into inductor and be arranged in fuel gas system pipeline outer protection structure, clash into inductor one or more are set, clashing into inductor can be arranged on the position being easily impacted according to the situation of concrete equipment, above-mentioned technological scheme is done to further restriction, between capillary oil pipe and hydraulic pressure boosting system, be provided with topping up safety check, clashing into after inductor recovers and can carrying out unidirectional supercharging by the hydraulic pressure boosting system of vehicle itself, recover its safety protection function, prevent that gas cylinder fuel gas from flowing backwards simultaneously, above-mentioned technological scheme is done to further restriction, and hydraulic control valve is with hand reset function.
The utlity model has following beneficial effect:
Rational in infrastructure, install easily;
2. safe and reliable.
Brief description of the drawings
Fig. 1 is that motor liquified gas combustion gas shock safety system hydraulic control valve (ISV) is installed and used position;
Fig. 2 is that safety system hydraulic control valve (ISV) system diagram is clashed in motor liquified gas combustion gas;
Fig. 3,4 clashes into safety system for motor liquified gas combustion gas and clashes into sensor structure schematic diagram;
Fig. 5 is that safety system hydraulic control valve (ISV) structural representation is clashed in motor liquified gas combustion gas.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present utility model is described further:
It installs and uses position as shown in Figure 1 a kind of hydraulic control valve (ISV) of motor liquified gas combustion gas shock safety system, by the preferred arrangement to existing vehicle fuel gas system, hydraulic control valve 1A arranges the root that is arranged on blowdown piping, manual atmospheric valve 2 is equipped with in end, topping up safety check 3 is arranged on and fills material pipeline root, prevents that gas cylinder fuel gas from flowing backwards.Gas cylinder is drawn to change into from motor by gas cylinder from the feeding pipe of pressurization system 4 and is drawn for fuel conduit, and hydraulic control valve 1B arranges the root that is arranged on the outer defeated pipeline of fuel gas cylinder.
A kind of motor liquified gas combustion gas is clashed into safety system hydraulic control valve (ISV) system as shown in Figure 2; hydraulic control valve 1A and hydraulic control valve 1B are by capillary oil pipe a series connection; upper inductor b and the c of connecting of capillary oil pipe a; inductor b and c are arranged on fuel cylinder structure framework; its quantity based on fuel gas cylinder concrete mounting point onboard, arranges to protect fuel gas cylinder pipeline.In the time crashing any one inductor b of being arranged on structural framing or c, the hydraulic oil of releasing out, two shock safety valve 1A of series connection and 1B fuel shutoff gas supply timely and effectively and gas exhaust piping.
A kind of motor liquified gas combustion gas is clashed into safety system shock sensor structure and is shown as shown in Figures 3 and 4; inductor b-1 and c-1 are pottery or vial; hydraulic oil is equipped with in inside; connect capillary oil pipe by threaded coupling; inductor b-2 and c-1 are metal shell protecting jacket; when being used for preventing installing or overhauling, break up inductor b-1 or c-1, cause hydraulic fluid leak, finally cause hydraulic control valve 1A and 1B to close.A kind of hydraulic control valve (ISV) structure of motor liquified gas combustion gas shock safety system as shown in Figure 5.Hydraulic control valve 1, in closed condition, wherein comprises liquid entering hole 1-1, liquid outlet 1-2, capillary tubing interface 1-3 and fill hydraulic oil port 1-4.In the time that fuel vehicle is subject to front and back collision, OFFSET COLLISION and falls, while breaking the inductor b that is arranged on fuel gas bottle system structural framing or c, hydraulic oil leaks out to inductor b and c by capillary tubing interface 1-3 UNICOM, clash into safety valve 1A and 1B decompression, spring promotion valve rod is closed the passage of liquid entering hole 1-1 and liquid outlet 1-2, stop fuel gas cylinder and continue air feed, the leakage of fuel gas while preventing fuel gas pipeline fracture, avoid unnecessary disaster to occur, the Security that has improved existing vehicle fuel gas system.When clashing into safety valve 1A and 1B again by filling hydraulic oil port 1-4 when oil-filled, oil pressure can holddown spring, pulls valve rod to open the passage of liquid entering hole 1-1 and liquid outlet 1-2 simultaneously, recovers fuel gas cylinder air feed.Hydraulic control valve 1 is provided with valve position restore funcitons, by artificial twisting handwheel, opens the passage of liquid entering hole 1-1 and liquid outlet 1-2, and hydraulic control valve 1A and 1B open, and fuel gas cylinder can recover air feed.After hydraulic control valve 1 pressure release, need to again supplement hydraulic oil by filling hydraulic oil port 1-4, change broken impinger simultaneously, make hydraulic control valve 1 in an open position, it recovers normal function.
Claims (5)
1. safety system is clashed in a motor liquified gas combustion gas; comprise hydraulic control valve, capillary oil pipe and clash into inductor; it is characterized in that: capillary oil pipe is communicated with hydraulic control valve and clashes into inductor; clashing into inductor is arranged in fuel gas system pipeline outer protection structure; capillary oil pipe connects hydraulic pressure boosting system; hydraulic control valve is opening state under hydraulic pressure, and hydraulic control valve is arranged on the outlet of fuel gas cylinder, is closed condition when hydraulic control valve decompression.
2. safety system is clashed in motor liquified gas combustion gas according to claim 1, it is characterized in that: described shock inductor is to adopt frangible pottery or vial, and there is metal shell protecting jacket outside.
3. safety system is clashed in motor liquified gas combustion gas according to claim 1, it is characterized in that: clash into inductor and be arranged in fuel gas system pipeline outer protection structure, clash into inductor one or more are set.
4. safety system is clashed in motor liquified gas combustion gas according to claim 1, it is characterized in that: between capillary oil pipe and hydraulic pressure boosting system, be topping up safety check.
5. safety system is clashed in motor liquified gas combustion gas according to claim 1, it is characterized in that: hydraulic control valve is with hand reset function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032230.1U CN203686577U (en) | 2014-01-20 | 2014-01-20 | Liquefied gas and fuel gas impact safety system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420032230.1U CN203686577U (en) | 2014-01-20 | 2014-01-20 | Liquefied gas and fuel gas impact safety system for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686577U true CN203686577U (en) | 2014-07-02 |
Family
ID=51008475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420032230.1U Expired - Lifetime CN203686577U (en) | 2014-01-20 | 2014-01-20 | Liquefied gas and fuel gas impact safety system for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203686577U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742786A (en) * | 2014-01-20 | 2014-04-23 | 辰一(上海)石油天然气工程技术有限公司 | Vehicle liquefied gas impact safety system |
| CN110779037A (en) * | 2018-07-26 | 2020-02-11 | 戴维·贝克 | Sheet fuel feeder |
| CN113494676A (en) * | 2020-04-01 | 2021-10-12 | 上海汽车集团股份有限公司 | High-pressure gas cylinder and damage monitoring device thereof |
-
2014
- 2014-01-20 CN CN201420032230.1U patent/CN203686577U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742786A (en) * | 2014-01-20 | 2014-04-23 | 辰一(上海)石油天然气工程技术有限公司 | Vehicle liquefied gas impact safety system |
| CN110779037A (en) * | 2018-07-26 | 2020-02-11 | 戴维·贝克 | Sheet fuel feeder |
| CN113494676A (en) * | 2020-04-01 | 2021-10-12 | 上海汽车集团股份有限公司 | High-pressure gas cylinder and damage monitoring device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |