CN205918508U - Natural gas diesel dual -fuel internal -combustion engine gas leak testing and alarm system - Google Patents
Natural gas diesel dual -fuel internal -combustion engine gas leak testing and alarm system Download PDFInfo
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- CN205918508U CN205918508U CN201620829621.5U CN201620829621U CN205918508U CN 205918508 U CN205918508 U CN 205918508U CN 201620829621 U CN201620829621 U CN 201620829621U CN 205918508 U CN205918508 U CN 205918508U
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- natural gas
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- combustion engine
- stop valve
- gas
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses a natural gas diesel dual -fuel internal -combustion engine gas leak testing and alarm system, including RS 485 bus, natural gas leakage detection alarm controller, bee calling organ, natural gas sensor, LNG fuel supply system and internal -combustion engine, LNG fuel supply system is including the LNG bottle that connects gradually, total stop valve, evaporimeter, stop valve no. 1, spark arrester, stop valve no. 2, natural gas pressure temperature sensor, relief pressure valve, electromagnetism stop valve, flow sensor, filter, the natural gas rail, at least one electric nozzle and at least one air intake manifold altogether. The beneficial effects of the utility model are that natural gas sensor adopts bus communication, and the check point increases and decreases in a flexible way, all takes natural gas leakage to detect to internal -combustion engine and gas supply system, and the messenger system is safer, with low costs, the simple structure of system, easily installation, maintenance and dismantlement.
Description
Technical field
This utility model is related to energy source and power machinery field, particularly a kind of natural gas-diesel dual-fuel internal combustion engine combustion gas
Leak Detection and warning system.
Background technology
Natural gas with its wide material sources reliability, technical feasibility, be easy to the advantages of storage, calorific value high and low discharge and be subject to each
The attention of state and popularization.Natural gas can reduce sulfur dioxide as a kind of safer high-efficiency cleaning energy and dust discharge amount is near
100%, reduce CO2 emissions 50% and oxynitride discharge amount 40%, and contribute to minimizing acid rain being formed, the earth of releiving
Greenhouse effect, fundamentally improves environmental quality.Develop and produce natural gas-diesel dual-fuel internal combustion engine dirty to reducing environment
Dye, Optimization of Energy Structure, promote the sustainable and healthy development tool of China's ic engine industry to be of great significance.
Natural gas-diesel dual-fuel internal combustion engine is wanted to widely use, and design gas leakage monitoring is in order at guarantor with warning system
The most important condition of card natural gas-Diesel Dual-Fuel Engine safe operation.Once leakage in natural gas, concentration of natural gas reaches
A certain amount of, under certain condition (run into naked light or electric spark etc.) can combustion explosion, natural gas due to having certain pressure, supply
Compression ring section will guarantee no to reveal the gas detecting means it is desirable to be necessary, find during gas leakage problem will and alarm
Notify staff, or forced stoppage ensures safety in production.Therefore for natural gas-diesel dual-fuel I. C. engine design
Gas leakage monitoring is requisite with warning system research.
Utility model content
The purpose of this utility model is to provide a kind of natural gas-diesel dual-fuel internal combustion engine gas leakage detection and reports to the police
System, it can provide safety assurance for natural gas Diesel Dual-Fuel Engine.
This utility model be the technical scheme is that for achieving the above object including rs-485 bus, natural gas leaking
Detection alarm controller, buzzer, sensor of natural gas, lng fuel feed system and internal combustion engine；Described lng fuel supply system
System include be sequentially connected lng bottle, total stop valve, vaporizer, stop valve one, spark arrester, stop valve two, gas pressure temperature
Sensor, air relief valve, electromagnet cut off valve, flow transducer, filter, natural gas common rail, at least one EFI mouth and at least
Individual inlet manifold；Sensor of natural gas includes sensor of natural gas one above total stop valve, is located above stop valve one
Sensor of natural gas two, be located at the sensor of natural gas three of stop valve two top, be located at natural gas above electromagnet cut off valve
Sensor four and the sensor of natural gas five above natural gas common rail and sensor of natural gas six；Sensor of natural gas passes through
Rs-485 bus connects natural gas leaking detection alarm controller；Natural gas leaking detection alarm controller connects buzzer and electricity
Magnetic stop valve, inlet manifold connects internal combustion engine.
Described sensor of natural gas adopts the catalytic combustion type gas detector of import.
It is total that rs485 communication signal is passed through rs-485 to sensor of natural gas during sensor of natural gas surface by Gas diffusion
Line is delivered to natural gas leaking detection alarm controller, and natural gas leaking detection alarm controller is to electromagnet cut off valve and buzzer
Send data.
This utility model natural gas-diesel dual-fuel internal combustion engine gas leakage detection and the operation principle of warning system: liquid
Change natural gas during lng bottle is out transferred to internal combustion engine, for preventing from having natural gas leaking during air inlet, by sky
So gas sensor one is put in above total stop valve, and sensor of natural gas two is put in above stop valve one, and sensor of natural gas three is put
Above stop valve two, sensor of natural gas four is put in above electromagnet cut off valve, sensor of natural gas five and sensor of natural gas
Six are put in above natural gas common rail, and 6 sensor of natural gas connect natural gas leaking by rs-485 bus and detect controlling alarm
Device；Natural gas leaking detection alarm controller connects buzzer and electromagnet cut off valve, when natural gas is diffused into sensor of natural gas
During surface, rs485 communication signal is delivered to natural gas leaking by rs-485 bus and detects controlling alarm by sensor of natural gas
Device, natural gas leaking detection alarm controller sends order to electromagnet cut off valve and buzzer, and electromagnet cut off valve is closed and honeybee
Ring device is sounded a buzzer.
The beneficial effects of the utility model are:
1. sensor of natural gas adopts bus communication, and test point increase and decrease is flexibly.
2. pair internal combustion engine and air supply system all take natural gas leaking to detect, make system safer.
3. system cost is low, structure is simple it is easy to installing, safeguard and dismantling.
Brief description
Fig. 1 is structured flowchart of the present utility model.
Specific embodiment
As shown in figure 1, this utility model includes rs-485 bus, natural gas leaking detection alarm controller, buzzer, sky
So gas sensor one, sensor of natural gas two, sensor of natural gas three, sensor of natural gas four, sensor of natural gas five, natural
Gas sensor six, lng bottle, total stop valve, vaporizer, stop valve one, spark arrester, stop valve two, gas pressure temperature sensing
Device, air relief valve, electromagnet cut off valve, flow transducer, filter, natural gas common rail, 6 EFI mouths, 6 inlet manifold, internal combustions
Machine.
Sensor of natural gas adopts the catalytic combustion type gas detector of import, and it is short to have a response time, long service life,
The advantages of sensitivity height and strong interference immunity, when the Gas diffusion of in the air is to detecting element surface, detection bridge will be defeated
Go out a differential pressure signal, carry out Voltage to current transducer and the percentage composition (%lel) within gas explosion lower limit is converted into
Rs485 communication signal is delivered to natural gas leaking by rs-485 bus and detects alarm controller.
Natural gas leaking detection alarm controller sends order to control electromagnet cut off valve and buzzer.Electromagnet cut off valve closes
Close and buzzer is sounded a buzzer.
Claims (3)
1. the detection of natural gas-diesel dual-fuel internal combustion engine gas leakage and warning system it is characterised in that: include rs-485 total
Line, natural gas leaking detection alarm controller, buzzer, sensor of natural gas, lng fuel feed system and internal combustion engine；Described
Lng bottle that lng fuel feed system includes being sequentially connected, total stop valve, vaporizer, stop valve one, spark arrester, stop valve two,
Gas pressure temperature sensor, air relief valve, electromagnet cut off valve, flow transducer, filter, natural gas common rail, at least one
EFI mouth and at least one inlet manifold；Sensor of natural gas includes sensor of natural gas one above total stop valve, position
In stop valve one top sensor of natural gas two, be located at the sensor of natural gas three of stop valve two top, be located at electromagnetism cut-off
Sensor of natural gas four above valve and the sensor of natural gas five above natural gas common rail and sensor of natural gas six；My god
So gas sensor connects natural gas leaking detection alarm controller by rs-485 bus；Natural gas leaking detects alarm controller
Connect buzzer and electromagnet cut off valve, inlet manifold connects internal combustion engine.
2. natural gas according to claim 1-diesel dual-fuel internal combustion engine gas leakage detection and warning system, its feature
It is: described sensor of natural gas adopts the catalytic combustion type gas detector of import.
3. natural gas according to claim 1-diesel dual-fuel internal combustion engine gas leakage detection and warning system, its feature
It is: rs485 communication signal is passed through rs-485 bus by Gas diffusion to sensor of natural gas during sensor of natural gas surface
It is delivered to natural gas leaking detection alarm controller, natural gas leaking detection alarm controller is sent out to electromagnet cut off valve and buzzer
Send data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829621.5U CN205918508U (en) | 2016-08-03 | 2016-08-03 | Natural gas diesel dual -fuel internal -combustion engine gas leak testing and alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620829621.5U CN205918508U (en) | 2016-08-03 | 2016-08-03 | Natural gas diesel dual -fuel internal -combustion engine gas leak testing and alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918508U true CN205918508U (en) | 2017-02-01 |
Family
ID=57870021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620829621.5U Active CN205918508U (en) | 2016-08-03 | 2016-08-03 | Natural gas diesel dual -fuel internal -combustion engine gas leak testing and alarm system |
Country Status (1)
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| CN (1) | CN205918508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645003A (en) * | 2017-10-13 | 2018-01-30 | 浙江亚上科技有限公司 | Fuel-cell vehicle common rail sprays hydrogen system |
| CN115387903A (en) * | 2022-05-20 | 2022-11-25 | 潍柴动力股份有限公司 | Method and device for detecting fault of diesel engine, power device and medium |
| CN115387903B (en) * | 2022-05-20 | 2024-04-19 | 潍柴动力股份有限公司 | Fault detection method and device, power device and medium for diesel engine |
-
2016
- 2016-08-03 CN CN201620829621.5U patent/CN205918508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645003A (en) * | 2017-10-13 | 2018-01-30 | 浙江亚上科技有限公司 | Fuel-cell vehicle common rail sprays hydrogen system |
| CN115387903A (en) * | 2022-05-20 | 2022-11-25 | 潍柴动力股份有限公司 | Method and device for detecting fault of diesel engine, power device and medium |
| CN115387903B (en) * | 2022-05-20 | 2024-04-19 | 潍柴动力股份有限公司 | Fault detection method and device, power device and medium for diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170126 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Address before: 116028 the Yellow River Road, Shahekou District, Liaoning, No. 794, No. Patentee before: Dalian Jiaotong University |