CN201620957U - Air-fuel ratio control circuit of gas generator set - Google Patents
Air-fuel ratio control circuit of gas generator set Download PDFInfo
- Publication number
- CN201620957U CN201620957U CN200920195455.8U CN200920195455U CN201620957U CN 201620957 U CN201620957 U CN 201620957U CN 200920195455 U CN200920195455 U CN 200920195455U CN 201620957 U CN201620957 U CN 201620957U
- Authority
- CN
- China
- Prior art keywords
- pressure
- parameter
- output power
- arithmetic mean
- fuel ratio
- 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 - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000013507 mapping Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 12
- 239000002737 fuel gas Substances 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
本实用新型涉及一种燃气发电机组空燃比控制电路，包括设置于发动机进气歧管的压力传感器、功率检测传感器、运算器、执行器，压力传感器检测进气歧管内的压力，该压力传感器与运算器连接，将压力参数输送到运算器；功率检测传感器用于检测发动机的输出功率，功率检测传感器与运算器连接将检测到输出功率参数输送至运算器；所述运算器存储有基准的压力参数与输出功率参数映射关系，将接收到的压力参数、输出功率参数与存储的基准参数比较；执行器用于控制燃气流量，其根据运算器的比较结果改变燃气流量使压力传感器检测到的压力趋于基准参数值。本实用新型具有空燃比调节方便、直观、准确，且成本低廉的优点，从而使燃气发动机工作在最佳空/燃比状态。
The utility model relates to an air-fuel ratio control circuit of a gas generator set, which comprises a pressure sensor, a power detection sensor, an arithmetic unit, and an actuator arranged in an engine intake manifold. The pressure sensor detects the pressure in the intake manifold. The pressure sensor and the The computing unit is connected to transmit the pressure parameters to the computing unit; the power detection sensor is used to detect the output power of the engine, and the power detection sensor is connected to the computing unit to transmit the detected output power parameters to the computing unit; the computing unit stores the reference pressure Parameters and output power parameter mapping relationship, compare the received pressure parameters, output power parameters with the stored reference parameters; the actuator is used to control the gas flow, and it changes the gas flow according to the comparison result of the calculator so that the pressure detected by the pressure sensor tends to on the base parameter value. The utility model has the advantages of convenient, intuitive and accurate air-fuel ratio adjustment, and low cost, so that the gas engine can work in the best air/fuel ratio state.
Description
Technical field
The utility model relates to the air and the combustion gas proportional control actuating device of gas engine, makes gas engine be operated in best air/fuel and compares state.
Background technique
The gas internal-combustion engine air/fuel method more simple than control is to measure the exhaust oxygen content with lambda sensor, to realize closed loop control.Perhaps, on-line analysis fuel gas methane content remakes air mass flow, the adjusting of gas flow proportioning with control air/fuel ratio.Yet present lambda sensor is bad easily, and its life-span can be above 2 years.The apparatus expensive of methane on-line analysis scheme complexity, use.
The model utility content
The utility model is at the above-mentioned defective of prior art, provides that a kind of equipment is simple, the fuel gas generation unit air fuel ratio control circuit of processing ease, so that air fuel ratio reaches optimum value.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of fuel gas generation unit air fuel ratio control circuit, comprise the pressure transducer, power detection sensor, arithmetic mean unit, the final controlling element that are arranged at engine intake manifold, pressure transducer detects the pressure in the intake manifold, this pressure transducer is connected with arithmetic mean unit, and pressure parameter is transported to arithmetic mean unit; The power detection sensor is used for the output power of detection of engine, and the power detection sensor is connected with arithmetic mean unit and will detects the output power parameter and be delivered to arithmetic mean unit; Described arithmetic mean unit stores the benchmark mapping relations of pressure parameter and output power parameter, with the basic parameter comparison of real-time detected pressure parameter, output power parameter and storage; Final controlling element changes gas flow according to this comparative result makes the detected pressure of pressure transducer be tending towards reference parameter value.
As can be seen from the above technical solutions, the utility model makes the air/fuel ratio reach optimum value by changing air-distributor pressure, thereby makes gas engine be operated in the optimal air-fuel ratio state.The utlity model has processing ease, accurate, and advantage with low cost.
Description of drawings
Accompanying drawing is the utility model theory diagram.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail.
Shown in accompanying drawing, the utility model fuel gas generation unit air fuel ratio control circuit, comprise and be arranged at the interior pressure transducer 1 that the pressure of intake manifold is detected of engine intake manifold, the power detection sensor 2 that engine output is detected, this power detection sensor 2 is connected with arithmetic mean unit 3 respectively with pressure transducer 1, arithmetic mean unit 3 stores the pressure parameter and the output power parameter mapping relations of benchmark, pressure parameter and output power parameter that power detection sensor and pressure transducer obtain its detection respectively are sent to arithmetic mean unit, arithmetic mean unit compares the pressure parameter that receives and the reference pressure parameter and the output power parameter of output power parameter and storage, find corresponding power, obtain the deviation of pressure, because the pressure of intake manifold becomes corresponding relation with gas flow, thereby the deviation of pressure reflected the deviation of gas flow, and final controlling element 4 changes gas flow according to this comparative result makes the detected pressure of pressure transducer be tending towards reference parameter value.When force value was tending towards reference value, air fuel ratio also reached desired value.Utilize force value as the parameter of regulating combustion gas and AIR Proportional, have easy to adjust, intuitive and accurate advantage.This pressure parameter and the benchmark mapping relations of output power parameter are based upon the state of desired air/fuel ratio, and this state can be determined by the discharging that detects tail gas.
Above-mentioned specific embodiment is purpose, feature and the effect that is used for describing in detail the utility model, for the personage who is familiar with this type of skill, according to the above description, may do part change and modification to this specific embodiment, its essence does not detach the spiritual category person of the utility model, all should be included in the claim of this case suitable first Chen Ming.
Claims (1)
1. fuel gas generation unit air fuel ratio control circuit, it is characterized in that, comprise the pressure transducer, power detection sensor, arithmetic mean unit, the final controlling element that are arranged at engine intake manifold, pressure transducer detects the pressure in the intake manifold, this pressure transducer is connected with arithmetic mean unit, and pressure parameter is transported to arithmetic mean unit; The power detection sensor is used for the output power of detection of engine, and the power detection sensor is connected with arithmetic mean unit and will detects the output power parameter and be delivered to arithmetic mean unit; Described arithmetic mean unit stores the pressure parameter and the output power parameter mapping relations of benchmark, with the basic parameter of the pressure parameter, output power parameter and the storage that receive relatively; Final controlling element is used to control gas flow, and its comparative result according to arithmetic mean unit changes gas flow makes the detected pressure of pressure transducer be tending towards reference parameter value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920195455.8U CN201620957U (en) | 2009-09-25 | 2009-09-25 | Air-fuel ratio control circuit of gas generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920195455.8U CN201620957U (en) | 2009-09-25 | 2009-09-25 | Air-fuel ratio control circuit of gas generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201620957U true CN201620957U (en) | 2010-11-03 |
Family
ID=43024413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920195455.8U Expired - Fee Related CN201620957U (en) | 2009-09-25 | 2009-09-25 | Air-fuel ratio control circuit of gas generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201620957U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696660A (en) * | 2009-09-25 | 2010-04-21 | 东莞市康达机电工程有限公司 | Method for controlling air-fuel ratio of fuel gas generator set |
| CN102094719A (en) * | 2011-03-22 | 2011-06-15 | 中国汽车工程研究院股份有限公司 | Air-fuel ratio regulating device and method |
| CN104806364A (en) * | 2015-03-06 | 2015-07-29 | 广州资源设备成套工程有限公司 | Marsh gas generating set load dynamic control system and method |
| CN106015074A (en) * | 2016-06-29 | 2016-10-12 | 佛山市顺德区奇林电气有限公司 | Method and device for controlling start-up power of draught fan |
| CN111058954A (en) * | 2020-03-18 | 2020-04-24 | 山东赛马力动力科技有限公司 | Gas concentration self-adaptive control method for gas generator set |
-
2009
- 2009-09-25 CN CN200920195455.8U patent/CN201620957U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696660A (en) * | 2009-09-25 | 2010-04-21 | 东莞市康达机电工程有限公司 | Method for controlling air-fuel ratio of fuel gas generator set |
| CN102094719A (en) * | 2011-03-22 | 2011-06-15 | 中国汽车工程研究院股份有限公司 | Air-fuel ratio regulating device and method |
| CN102094719B (en) * | 2011-03-22 | 2012-12-19 | 中国汽车工程研究院股份有限公司 | Air-fuel ratio regulating device and method |
| CN104806364A (en) * | 2015-03-06 | 2015-07-29 | 广州资源设备成套工程有限公司 | Marsh gas generating set load dynamic control system and method |
| CN104806364B (en) * | 2015-03-06 | 2018-02-02 | 广州资源设备成套工程有限公司 | Biogas Generator Set load kinetic-control system and method |
| CN106015074A (en) * | 2016-06-29 | 2016-10-12 | 佛山市顺德区奇林电气有限公司 | Method and device for controlling start-up power of draught fan |
| CN111058954A (en) * | 2020-03-18 | 2020-04-24 | 山东赛马力动力科技有限公司 | Gas concentration self-adaptive control method for gas generator set |
| CN111058954B (en) * | 2020-03-18 | 2020-08-28 | 山东赛马力动力科技有限公司 | Gas concentration self-adaptive control method for gas generator set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105298664B (en) | A kind of biogas internal combustion engine generator group auxiliary fuel supply-system and its control method | |
| CN106285981B (en) | An EGR flow calculation method based on valve body and intake pressure sensor | |
| CN201620957U (en) | Air-fuel ratio control circuit of gas generator set | |
| CN103670680B (en) | The control device of exhaust gas by-pass valve of internal-combustion engine | |
| CN202789153U (en) | Gas power generation system and air/gas ratio control system | |
| WO2008018380A1 (en) | Control device for internal combustion engine with supercharger | |
| JP2006242560A5 (en) | ||
| WO2009085643A3 (en) | Method and apparatus for monitoring recirculated exhaust gas in an internal combustion engine | |
| JP2010053823A (en) | Air amount control device for internal combustion engine | |
| CN105840326A (en) | System and method for model based and map based throttle position derivation and monitoring | |
| JP2010285957A (en) | Intake control device for engine | |
| CN102235218A (en) | Control system and method for controlling engine exhaust back pressure | |
| CN109406151B (en) | Automatic exhaust back pressure adjusting method and system for engine bench test | |
| CN102000814B (en) | Cascade variable double amplitude limit temperature control system in ladle baking control and method | |
| CN102359872A (en) | Detection device of vacuum solenoid valve | |
| RU2006127312A (en) | METHOD FOR MANAGING FUEL CONSUMPTION IN A TURBINED POWER PLANT | |
| JP4853471B2 (en) | Control device for an internal combustion engine with a supercharger | |
| CN102914436A (en) | Plateau performance simulation test system for engine oxygen-enriched combustion-supporting device | |
| CN101696660A (en) | Method for controlling air-fuel ratio of fuel gas generator set | |
| JP6545290B2 (en) | Control device | |
| CN202125375U (en) | Engine for gas generating unit capable of realizing lean burning | |
| CN205826299U (en) | A kind of EGR valve flow testing system | |
| CN201273868Y (en) | Multifunctional experiment apparatus for waste gas recirculation valve | |
| CN113847150B (en) | Emission control method and device for gas engine | |
| WO2009001201A3 (en) | Heater control device and method for exhaust gas sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CAMDA NEW ENERGY EQUIPMENT CO., LTD. Free format text: FORMER NAME: DONGGUAN CAMDA GENERATOR WORK CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 523000, Dongguan City, Guangdong province Liaobu Tong Yan Industrial Zone Dongguan Kangda Electrical and Mechanical Engineering Co., Ltd. Patentee after: CAMDA NEW ENERGY EQUIPMENT CO., LTD. Address before: 523000, Dongguan City, Guangdong province Liaobu Tong Yan Industrial Zone Dongguan Kangda Electrical and Mechanical Engineering Co., Ltd. Patentee before: Dongguan Camda Generator Work Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20180925 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |