CN105223376A - A kind of multifunctional engine rotating speed simulator - Google Patents
A kind of multifunctional engine rotating speed simulator Download PDFInfo
- Publication number
- CN105223376A CN105223376A CN201510563722.2A CN201510563722A CN105223376A CN 105223376 A CN105223376 A CN 105223376A CN 201510563722 A CN201510563722 A CN 201510563722A CN 105223376 A CN105223376 A CN 105223376A
- Authority
- CN
- China
- Prior art keywords
- module
- frequency signal
- signal generation
- micro controller
- rotating speed
- 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.)
- Pending
Links
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of multifunctional engine rotating speed simulator, comprise current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module, watchdog circuit module, power-supply controller of electric and supply module, described current signal generation module connects micro controller module by analog-to-digital conversion module, described frequency signal generation module connects micro controller module by frequency signal conditioning module, described numeral method module, number of teeth setting module and watchdog circuit module are connected on the corresponding port of micro controller module, described supply module by power-supply controller of electric respectively with current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module and watchdog circuit model calling.
Description
Technical field
The present invention relates to a kind of engine speed detection system, particularly relate to a kind of multifunctional engine rotating speed simulator, belong to engine speed detection field.
Background technology
Signal generator, as applying one of automatically controlled surveying instrument the most common in automatically controlled measuring system, is the conventional underlying instrument of Industry Control, teaching, scientific research.Although market has engendered various signal generator, it has not still broken away from the shortcomings such as volume is large, action button is many, expensive, goes out to debug and overhaul control panel bring inconvenience to power system engineering personnel.Consider factors, a kind of structure of necessary development is simple, carry and multifunctional engine rotating speed simulator easy to use.It can when not starting engine, simulation produces and exports and debugs control panel (as electron speed regulator etc.) for rotating speed (frequency) signal needed for scene, given current signal, can save the expense (as fuel cost etc.) of doing experiment significantly, and degree of regulation is high; The frequency (i.e. the tach signal of onsite engine) of external signal can be detected under the state of start, carry out numerical value display, and system adopts powered battery, so the successful development of this multifunctional engine rotating speed simulator will carry out on-the-spot test to power system engineering technician bring great convenience, and there is higher practical value, economic worth.
Such as application number is a kind of method for detecting vehicle speed of " 201210342552.1 ", run with predetermined speed v by allowing car load, on car load detection line, speed of a motor vehicle test board can be carried out, the now signal frequency P that detects of instrument, obtain k=v/P afterwards as calculated, and by this value stored in instrument system, constant k when normally working as instrument, when instrument normally works, the speed of a motor vehicle is v=kP.The beneficial effect of the technical program is adopted to facilitate feasible, instrument software developer need not pay close attention to car load physical construction and correlation parameter, decrease the work of confiding a technological secret of both sides of supply and demand in product development process, shorten the construction cycle, be applicable to all vehicles that instrument physical dimension is identical.But need to be further improved in rate accuracy.
And for example application number is " 201310045928.7 " a kind of method for detecting vehicle speed based on enumerating exploration, by marking three lane lines on image, hand labeled is no less than three pairs of unique points, set up mapping table, delimit tracing area, build a width background image, the method then adopting present frame and background image to do difference carries out target identification, utilize ratio method to find unique point, finally recycling enumerates the method calculating speed of a motor vehicle of exploration.The method for detecting vehicle speed of this invention, can detect the speed of vehicle in transit in real time, accurately, coordinates other application of intelligent transportation system can obtain rapidly the comprehensive information of vehicles peccancy, not by environmental restraint.Be applicable to the monitoring to the speed of a motor vehicle in intelligent traffic administration system, reduce the generation of traffic hazard, have broad application prospects.Although this invention solves vehicle speed measurement, need to be further improved in rate accuracy.
Summary of the invention
Technical matters to be solved by this invention provides a kind of multifunctional engine rotating speed simulator for the deficiency of background technology.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of multifunctional engine rotating speed simulator, comprise current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module, watchdog circuit module, power-supply controller of electric and supply module, described current signal generation module connects micro controller module by analog-to-digital conversion module, described frequency signal generation module connects micro controller module by frequency signal conditioning module, described numeral method module, number of teeth setting module and watchdog circuit module are connected on the corresponding port of micro controller module, described supply module by power-supply controller of electric respectively with current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module and watchdog circuit model calling.
As the further preferred version of a kind of multifunctional engine of the present invention rotating speed simulator, described micro controller module adopts ANR series monolithic.
As the further preferred version of a kind of multifunctional engine of the present invention rotating speed simulator, the chip model of described analog-to-digital conversion module is AD694.
As the further preferred version of a kind of multifunctional engine of the present invention rotating speed simulator, the chip model of described numeral method module is CH452.
As the further preferred version of a kind of multifunctional engine of the present invention rotating speed simulator, the chip model of described watchdog circuit module is SP706.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1, multifunctional engine rotating speed simulator of the present invention can not only provide required square-wave signal, and frequency adjustment precision is high, can realize the output of electric current, can also detect the frequency of external signal and the rotating speed of engine;
2, the multifunctional engine rotating speed simulator of the present invention's invention uses device few, and cost is low, easy to adjust, is easy to realize.Found by debugging, as long as the temperature coefficient of Resistor-Capacitor Unit is low, then output frequency, electric current are quite stables, and therefore cost performance is high.The service condition of this multi-functional rotating speed simulator shows, its good reliability, stable output, easy to carry.
Embodiment
Below technical scheme of the present invention is described in further detail:
A kind of multifunctional engine rotating speed simulator, comprise current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module, watchdog circuit module, power-supply controller of electric and supply module, described current signal generation module connects micro controller module by analog-to-digital conversion module, described frequency signal generation module connects micro controller module by frequency signal conditioning module, described numeral method module, number of teeth setting module and watchdog circuit module are connected on the corresponding port of micro controller module, described supply module by power-supply controller of electric respectively with current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module and watchdog circuit model calling.
Wherein said micro controller module adopts ANR series monolithic, and the chip model of described analog-to-digital conversion module is AD9694, and the chip model of described numeral method module is CH452, and the chip model of described watchdog circuit module is SP706.
Multifunctional engine rotating speed simulation system of the present invention: it is primarily of module compositions such as power supply, frequency signal generation, frequency signal conditioning, frequency signal measurement, current signal generation, current signal measurement and single chip computer measurement displays.By the standard block signal that frequency adjustment knob makes its output frequency adjustable, also make it export adjustable current signal O ~ 20mA by electric current adjustment knob, and by numeral method, it can also detect the frequency of external input signal in addition.Due to debugger object mainly engine, so tachometric survey is another unique function of this rotating speed simulator.
The electric current regulating the value of slide rheostat w1 can realize O ~ 20mA exports.The core component that this circuit is selected is AD694.AD694 is a kind of monolithic voltage current converter.Input voltage signal is converted to O ~ 20mA current signal of standard by it, can be widely used in the Parameter transfer of the signals such as pressure, flow, temperature, and the control to some common equipments in valve, regulator and process control.
Frequency signal modulate circuit: the waveform producing circuit generation due to frequency signal is not very regular, must carry out Shape correction, finally shown by single-chip microcomputer collection and LED through CD4013.If K1 closes, then short circuit internal signal and ground, now just can obtain external pulse signal: as from diesel engine magnetoelectric transducer come sinusoidal signal because they can be shaped to the square wave that peak pulse duration is 1:1 by T1 and CD4013, equally can gather by single-chip microcomputer.When it should be noted that single-chip microcomputer calculates pulse number, it is contemplated that by the pulse signal after frequency division, so double counted umber of pulse in software.
Analog-to-digital conversion module: the 0 ~ 20mA electric current produced by AD694, after converting the analog voltage signal of O ~ 2.OV to, is connected to CHO and the CHl port of MAXl44.Because analog signal voltage scope is O ~ 2.OV, therefore the reference data voltage of MAXl44 can be set to 2.048V, can conversion accuracy be improved like this, also be convenient to the subsequent treatment of translated data.
A kind of multifunctional engine rotating speed of the present invention simulator, comprises current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module, watchdog circuit module, power-supply controller of electric and supply module, described current signal generation module connects micro controller module by analog-to-digital conversion module, and described frequency signal generation module connects micro controller module by frequency signal conditioning module, described numeral method module, number of teeth setting module and watchdog circuit module are connected on the corresponding port of micro controller module, described supply module by power-supply controller of electric respectively with current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module and watchdog circuit model calling, multifunctional engine rotating speed simulator can not only provide required square-wave signal, and frequency adjustment precision is high, can realize the output of electric current, can also detect the frequency of external signal and the rotating speed of engine, the multifunctional engine rotating speed simulator of the present invention's invention uses device few, and cost is low, easy to adjust, is easy to realize.Found by debugging, as long as the temperature coefficient of Resistor-Capacitor Unit is low, then output frequency, electric current are quite stables, and therefore cost performance is high.The service condition of this multi-functional rotating speed simulator shows, its good reliability, stable output, easy to carry.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, makes a variety of changes under can also or else departing from the prerequisite of present inventive concept.
Claims (5)
1. a multifunctional engine rotating speed simulator, it is characterized in that: comprise current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module, watchdog circuit module, power-supply controller of electric and supply module, described current signal generation module connects micro controller module by analog-to-digital conversion module, described frequency signal generation module connects micro controller module by frequency signal conditioning module, described numeral method module, number of teeth setting module and watchdog circuit module are connected on the corresponding port of micro controller module, described supply module by power-supply controller of electric respectively with current signal generation module, frequency signal generation module, frequency signal conditioning module, analog-to-digital conversion module, numeral method module, micro controller module, number of teeth setting module and watchdog circuit model calling.
2. a kind of multifunctional engine rotating speed simulator according to claim 1, is characterized in that: described micro controller module adopts ANR series monolithic.
3. a kind of multifunctional engine rotating speed simulator according to claim 1, is characterized in that: the chip model of described analog-to-digital conversion module is AD694.
4. a kind of multifunctional engine rotating speed simulator according to claim 1, is characterized in that: the chip model of described numeral method module is CH452.
5. a kind of multifunctional engine rotating speed simulator according to claim 1, is characterized in that: the chip model of described watchdog circuit module is SP706.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563722.2A CN105223376A (en) | 2015-09-08 | 2015-09-08 | A kind of multifunctional engine rotating speed simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510563722.2A CN105223376A (en) | 2015-09-08 | 2015-09-08 | A kind of multifunctional engine rotating speed simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105223376A true CN105223376A (en) | 2016-01-06 |
Family
ID=54992444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510563722.2A Pending CN105223376A (en) | 2015-09-08 | 2015-09-08 | A kind of multifunctional engine rotating speed simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105223376A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426479A (en) * | 2020-03-20 | 2020-07-17 | 长沙五七一二飞机工业有限责任公司 | Aircraft engine simulation starter and test method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040232873A1 (en) * | 2001-06-22 | 2004-11-25 | Joachim Heizmann | Device for generation of a signal dependent on rotational speed for an electric motor, in particular for an electronically-commutated dc motor |
| CN201247152Y (en) * | 2008-08-29 | 2009-05-27 | 东北林业大学 | Device for generating and testing minitype diesel revolution speed signal |
| CN201374009Y (en) * | 2009-02-25 | 2009-12-30 | 上海汽车集团股份有限公司 | Engine position signal generator |
| CN201568195U (en) * | 2009-11-21 | 2010-09-01 | 潍坊潍柴培新气体发动机有限公司 | Signal generator of engine |
| CN202471751U (en) * | 2012-01-18 | 2012-10-03 | 赵志信 | Signal-generator simulating vehicle speed and engine rotating speed |
| CN202998025U (en) * | 2012-11-27 | 2013-06-12 | 中国北车集团大连机车车辆有限公司 | Frequency signal generator |
| CN203443604U (en) * | 2013-08-24 | 2014-02-19 | 成都飞亚航空设备应用研究所有限公司 | Test equipment for rotating speed correcting amplifier |
| US20140210641A1 (en) * | 2013-01-28 | 2014-07-31 | Infineon Technologies Ag | Signal Generator, Decoder, Method for Generating a Transmit Signal and Method for Determining Speed Data |
-
2015
- 2015-09-08 CN CN201510563722.2A patent/CN105223376A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040232873A1 (en) * | 2001-06-22 | 2004-11-25 | Joachim Heizmann | Device for generation of a signal dependent on rotational speed for an electric motor, in particular for an electronically-commutated dc motor |
| CN201247152Y (en) * | 2008-08-29 | 2009-05-27 | 东北林业大学 | Device for generating and testing minitype diesel revolution speed signal |
| CN201374009Y (en) * | 2009-02-25 | 2009-12-30 | 上海汽车集团股份有限公司 | Engine position signal generator |
| CN201568195U (en) * | 2009-11-21 | 2010-09-01 | 潍坊潍柴培新气体发动机有限公司 | Signal generator of engine |
| CN202471751U (en) * | 2012-01-18 | 2012-10-03 | 赵志信 | Signal-generator simulating vehicle speed and engine rotating speed |
| CN202998025U (en) * | 2012-11-27 | 2013-06-12 | 中国北车集团大连机车车辆有限公司 | Frequency signal generator |
| US20140210641A1 (en) * | 2013-01-28 | 2014-07-31 | Infineon Technologies Ag | Signal Generator, Decoder, Method for Generating a Transmit Signal and Method for Determining Speed Data |
| CN203443604U (en) * | 2013-08-24 | 2014-02-19 | 成都飞亚航空设备应用研究所有限公司 | Test equipment for rotating speed correcting amplifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426479A (en) * | 2020-03-20 | 2020-07-17 | 长沙五七一二飞机工业有限责任公司 | Aircraft engine simulation starter and test method |
| CN111426479B (en) * | 2020-03-20 | 2022-06-03 | 长沙五七一二飞机工业有限责任公司 | Aircraft engine simulation starter and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101281073B (en) | Mechanics sensor array calibrating apparatus and working method thereof | |
| CN103294051B (en) | A kind of gas combustion automobile ECU comprehensive intelligent detection method | |
| CN103543329B (en) | A kind of high energy consumption smelting system electric energy loss measuring method | |
| CN102175280A (en) | Digitalized vehicle instrument simulating device | |
| CN201974294U (en) | Automatic rack calibration device | |
| CN204883407U (en) | Servo pressure control system | |
| CN104165728A (en) | Pressure controller high in accuracy | |
| CN201016864Y (en) | Motorcycle chassis dynamometer machine | |
| CN103512617B (en) | The opening time of intelligent low speed machine electric actuator and phase measurement system | |
| CN105223376A (en) | A kind of multifunctional engine rotating speed simulator | |
| CN105182850A (en) | Engine rotating speed simulator based on power supply controller | |
| CN103324212A (en) | Flight track instrument plotting speed control card based on FPGA | |
| CN104991582A (en) | Servo pressure control system | |
| CN202372199U (en) | Indication calibrating device of automobile instrument | |
| CN204008003U (en) | A kind of pin-point accuracy pressure controller | |
| CN109085373B (en) | Speed testing device and method for CTCS-2 train control vehicle-mounted equipment | |
| CN103528618B (en) | A kind of signal generating method of automobile instrument detection signal generation platform | |
| CN203178302U (en) | Automatic measurement device for driving speeds of industrial vehicle | |
| CN110411762A (en) | A kind of portable wheel speed simulator and method having under simulation multi-state environment | |
| CN215766997U (en) | Test equipment of steering wheel corner sensor | |
| CN202420543U (en) | Automobile sensor detecting equipment | |
| CN216050264U (en) | Alarm device for detecting vehicle vibration noise | |
| CN102564566B (en) | Vibration test system of locomotive cooling tower | |
| CN203299583U (en) | Track instrument plotting speed control card based on FPGA | |
| CN203224359U (en) | Intelligent calibrating device for test system of internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160106 |
|
| RJ01 | Rejection of invention patent application after publication |