CN104533641A - Rapid diagnosis device for automotive diesel oil and natural gas co-combustion control system - Google Patents
Rapid diagnosis device for automotive diesel oil and natural gas co-combustion control system Download PDFInfo
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- CN104533641A CN104533641A CN201410817573.3A CN201410817573A CN104533641A CN 104533641 A CN104533641 A CN 104533641A CN 201410817573 A CN201410817573 A CN 201410817573A CN 104533641 A CN104533641 A CN 104533641A
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Abstract
The invention discloses a rapid diagnosis device for an automotive diesel oil and natural gas co-combustion control system. The rapid diagnosis device for the automotive diesel oil and natural gas co-combustion control system comprises a core processor unit, wherein an analog sensor signal output diagnosis module, a communication diagnosis module and a sensor diagnosis module are connected to the core processor unit, a control core board end rapid connecting unit is connected to the analog sensor signal output diagnosis module and the communication diagnosis module, and a sensor standard interface is connected to the sensor diagnosis module. According to the rapid diagnosis device for the automotive diesel oil and natural gas co-combustion control system, the rapid diagnosis device can be connected with the diesel oil and natural gas co-combustion control system through simple inserting and pulling, a hardware basis is provided for diagnosis of the working conditions of all sensors, the control function of a core control board and the communication function of the diesel oil and natural gas co-combustion control system, all operation is standard in the use process, operation is easy, the debugging pressure of technicians on the site is greatly relieved, and the diesel oil and natural gas co-combustion control system installing and debugging efficiency is improved.
Description
Technical field
The present invention relates to a kind of electricity field, specifically a kind of derv fuel and rock gas mixed combustion control system quick diagnosis device.
Background technique
Along with country put into effect continuously to vehicular emission administer requirement and restriction, new energy, clean energy resource are rapidly developed in the technical application of automotive fuel.It is one of development trend of China Diesel automotive fuel that diesel/natural gas dual-fuel mixes combustion.This technology on the basis of diesel engine, installs a set of use rock gas additional mix combustion system as the double fuel of combustion material, control automobile by diesel/natural gas mixed combustion control system to realize with rock gas being main fuel, using a small amount of diesel oil as the fuel supply mode ignited.Because this technology is changed little to original diesel engine, repacking cost is low, and in actual motion, diesel oil use amount reduces obviously, and tail gas blowdown declines to a great extent.This technology has obtained examination & approval and the support of government in some areas, enter the Market for refitting of diesel car.
Diesel/natural gas dual-fuel is installed at the scene mix in the process of combustion control system, needs the former car signal that the guarantee systems such as the real-time fuel consumption of collection diesel car, exhaust port temperatures and engine speed are normally run.The technical merit of site installation test technician, experience, even necessary commissioning device, all mix the operational effect of firing control system by directly having influence on diesel oil and natural gas double-fuel and reequip efficiency.
Summary of the invention
The object of the invention is: a kind of derv fuel and rock gas mixed combustion control system quick diagnosis device are provided, it provides a set of feasible hardware device for on-the-spot quick diagnosis diesel oil and natural gas double-fuel mix combustion control system produced problem and reason in Installation and Debugging, its structure is simple, quick for installation, to overcome the deficiencies in the prior art.
The present invention is achieved in that derv fuel and rock gas mixed combustion control system quick diagnosis device, comprise core processor unit, core processor unit is connected with analog sensor signal and exports diagnostic module, Communication diagnostic module and sensor diagnostic module, export in diagnostic module and Communication diagnostic module at analog sensor signal and be connected with control core plate end fast connection unit; Sensor diagnostic module is connected with standard interface.
Owing to have employed technique scheme, compared with prior art, the present invention just can complete the connection mixing with diesel gas and fire control system by simple plug, it provides hardware foundation for realizing mixing the diagnosis of firing control system Zhong Ge road sensor operating mode, core control panel controlling functions and communication function to diesel gas, its using process is normalizing operation, and it is simple to operate, greatly reduce the pressure of field technician's debugging efforts, improve diesel oil and natural gas double-fuel mixed combustion control system installation and adjustment efficiency.Structure of the present invention is simple, and with low cost, using effect is good.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
Embodiments of the invention: derv fuel and rock gas mixed combustion control system quick diagnosis device, comprise core processor unit 5, core processor unit 5 is connected with analog sensor signal and exports diagnostic module 3, Communication diagnostic module 4 and sensor diagnostic module 6, export in diagnostic module 3 and Communication diagnostic module 4 at input analog sensor signal and be connected with control core plate end fast connection unit 2; Sensor diagnostic module 6 is connected with standard interface 7.
In the present embodiment, core processor unit 5 can adopt the universal microprocessor (as flush bonding processor, single-chip microcomputer, DSP digital signal processor etc.) of being used widely, microprocessor should have outstanding calculated performance and the excellent system responses ability to event, can answer the challenge to low dynamic and static state power demand in reality simultaneously.
Control core plate end fast connection unit 2 comprises sensor signal modulating output connection mouth and communication standard connection mouth, and it can adopt standard signal interface (as automobile-used ECU standard signal interface, industrial signal connecting terminal etc.); Realize analog sensor signal respectively to export diagnostic module 3 and Communication diagnostic module 4 and mix the quick of control core plate 1 of firing control system and be connected.
Analog sensor signal exports diagnostic module 3 and adopts standard signal generation chip (as automobile-used level chip, technical grade chip etc.) and interlock circuit composition (as analogue signal, pulse signal generation chip, microprocessor carries analogue signal, output of pulse signal passage etc.), this unit simulation produces the standard output signals of each road sensor, for diagnosing the working condition of the control core plate 1 of mixed combustion control system.
Communication diagnostic module 4 adopts standard universal communication chip (as RS485 chip, CAN chip etc.) and interlock circuit, by control core plate end fast connection unit 2, read the relative parameters setting, system error code etc. of control core plate 1 according to communications protocol.
Sensor diagnostic module 6 forms (as analogue signal, pulse signal acquisition chip by standard signal acquisition chip (as automobile-used level chip, technical grade chip etc.) and interlock circuit, microprocessor carries analogue signal, pulse signal acquisition passage etc.), by gathering the signal (as voltage signal, current signal, pulse signal etc.) that in mixed combustion control system, each sensor exports, whether there is the situation etc. of open circuit and actual signal size for detecting the sensor loop being connected into mixed combustion control system.
Standard interface 7 adopts the signaling interface of standard (as automobile-used level signaling interface, industrial level signaling interface etc.), and need consider dust-proof, the problem such as waterproof, fool proof, for realizing quick connection of each road in sensor diagnostic module 6 and outside sensor.
In the present embodiment, on standard interface 7 connect former car each detecting sensor, these sensors provide the various information and parameter of guaranteeing that system is normally run to mixed combustion control system.
High pressure sensor 8-1 is for detecting the pressure range of rock gas under holding conditions.
Low pressure sensor 8-2 is for detecting rock gas pressure range under conditions of use.
Fuel consume sensor 8-3 uses for detecting the oil consumption of vehicle in running.
Speed probe 8-4 is for detecting the engine speed change of vehicle in running.
Vehicle speed sensor 8-5 is for detecting the speed of a motor vehicle change of vehicle in running.
Temperature transducer 8-6 is for detecting the engine operating temperature of vehicle in running.
In the prior art, each sensor is connected on control core plate ECU standard connection mouth by water joint.When using the device of the present embodiment, each sensor and control core plate 1 joint are disconnected, the device of the present embodiment is coupled together with each sensor and control core plate 1 respectively, realizes the quick detection to natural gas supply system 9, former car diesel engine system 10 and control core plate 1.
For convenience of execute-in-place, above-mentioned each parts, when connecting, can be extended by flexible row's cable as required.In the present invention, each parts those skilled in the art can require select voluntarily or design concrete product or circuit according to its application function.
The Placement of the said equipment is the known approaches of those skilled in the art, just repeats no more herein.
Claims (1)
1. a derv fuel and rock gas mixed combustion control system quick diagnosis device, comprise core processor unit (5), it is characterized in that: on core processor unit (5), be connected with analog sensor signal export diagnostic module (3), Communication diagnostic module (4) and sensor diagnostic module (6), export in diagnostic module (3) and Communication diagnostic module (4) at analog sensor signal and be connected with control core plate end fast connection unit (2); Sensor diagnostic module (6) is connected with standard interface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817573.3A CN104533641A (en) | 2014-12-25 | 2014-12-25 | Rapid diagnosis device for automotive diesel oil and natural gas co-combustion control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410817573.3A CN104533641A (en) | 2014-12-25 | 2014-12-25 | Rapid diagnosis device for automotive diesel oil and natural gas co-combustion control system |
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| Publication Number | Publication Date |
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| CN104533641A true CN104533641A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410817573.3A Pending CN104533641A (en) | 2014-12-25 | 2014-12-25 | Rapid diagnosis device for automotive diesel oil and natural gas co-combustion control system |
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| CN103016168A (en) * | 2011-09-22 | 2013-04-03 | 北京易控凌博汽车电子技术有限公司 | Diesel engine/natural gas dual-fuel engine electric control system |
| JP2013189874A (en) * | 2012-03-12 | 2013-09-26 | Toyota Motor Corp | Control device for internal combustion engine |
| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| CN103675215A (en) * | 2013-12-24 | 2014-03-26 | 安徽省芜湖仪器仪表研究有限责任公司 | Detection simulation system for vehicle-used oxygen sensor |
| CN203532063U (en) * | 2013-10-23 | 2014-04-09 | 深圳市国炬天然气汽车技术有限公司 | Diesel control system of diesel/natural gas dual-fuel internal combustion engine |
| CN204371498U (en) * | 2014-12-25 | 2015-06-03 | 贵州大学 | Derv fuel and rock gas mixed combustion control system quick diagnosis device |
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2014
- 2014-12-25 CN CN201410817573.3A patent/CN104533641A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006234431A (en) * | 2005-02-22 | 2006-09-07 | Toyota Motor Corp | Test apparatus and vehicle produced using same |
| KR20080111958A (en) * | 2007-06-20 | 2008-12-24 | 콘티넨탈 오토모티브 시스템 주식회사 | Method for changing fuel of bi fuel car |
| CN103016168A (en) * | 2011-09-22 | 2013-04-03 | 北京易控凌博汽车电子技术有限公司 | Diesel engine/natural gas dual-fuel engine electric control system |
| JP2013189874A (en) * | 2012-03-12 | 2013-09-26 | Toyota Motor Corp | Control device for internal combustion engine |
| CN203532063U (en) * | 2013-10-23 | 2014-04-09 | 深圳市国炬天然气汽车技术有限公司 | Diesel control system of diesel/natural gas dual-fuel internal combustion engine |
| CN103628991A (en) * | 2013-11-20 | 2014-03-12 | 镇江恒驰科技有限公司 | Marine diesel oil-LNG dual-fuel engine management system detection device and method |
| CN103675215A (en) * | 2013-12-24 | 2014-03-26 | 安徽省芜湖仪器仪表研究有限责任公司 | Detection simulation system for vehicle-used oxygen sensor |
| CN204371498U (en) * | 2014-12-25 | 2015-06-03 | 贵州大学 | Derv fuel and rock gas mixed combustion control system quick diagnosis device |
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Application publication date: 20150422 |