CN207458434U - A kind of vehicular engine throttle control teaching experimental base - Google Patents
A kind of vehicular engine throttle control teaching experimental base Download PDFInfo
- Publication number
- CN207458434U CN207458434U CN201720400136.0U CN201720400136U CN207458434U CN 207458434 U CN207458434 U CN 207458434U CN 201720400136 U CN201720400136 U CN 201720400136U CN 207458434 U CN207458434 U CN 207458434U
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- throttle
- control
- module
- direct current
- position sensor
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- 238000007689 inspection Methods 0.000 claims abstract description 15
- 230000009466 transformation Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000012913 prioritisation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of vehicular engine throttle control teaching experimental bases, include inspection box, power interface, RS232 interface, voltage transformation module, control module, throttle module and host computer；Inspection box is transparent cabinet；Throttle module includes direct current generator, direct current motor drive circuit, driving gear, transmission gear, driven gear, air throttle, resetting spring and throttle position sensor.During work, voltage transformation module is by the operating voltage of external voltage conversion module, direct current generator, throttle position sensor in order to control；Throttle position sensor passes to control module after obtaining the position signal of air throttle；Control module receives the order of host computer from RS232 interface, according to the order control direct current generator work received, while the data that throttle position sensor is fed back is passed to host computer from RS232 interface.The utility model each several part module is relatively independent, disassembles conveniently；The control process of engine throttle accelerator control system can be observed.
Description
Technical field
The utility model is related to automobile actuating mechanism controls devices more particularly to a kind of vehicular engine throttle control to teach
Learn experimental bench.
Background technology
At present, engine air throttle is by throttle position sensor, air throttle actuator, throttle actuator and air throttle
Electronic control unit forms.On the market throttle control teaching experimental base it is how integrated by software control air throttle open and
It closes, internal structure and control system can not be observed, and just know that throttle module mechanical mechanism cannot slap control principle very well
It holds, be easy to cause misunderstanding of the student to relevant knowledge, be unfavorable for undergraduate course teaching, due to integrated inconvenient maintenance, once it damages
Bad most of directly discarding, is unfavorable for recycling for teaching equipment, causes to waste.
Utility model content
Technical problem to be solved in the utility model is to be directed to the defects of involved in background technology, provides a kind of vehicle
Teaching experimental base is controlled with engine air throttle.
The utility model uses following technical scheme to solve above-mentioned technical problem：
A kind of vehicular engine throttle control teaching experimental base, includes inspection box, power interface, RS232 interface, voltage
Modular converter, control module, throttle module and host computer；
The inspection box is transparent cabinet, and the power interface, RS232 interface are arranged on inspection box, voltage conversion mould
Block, control module, throttle module are arranged in inspection box；
The throttle module includes direct current generator, direct current motor drive circuit, driving gear, transmission gear, driven tooth
Wheel, air throttle, resetting spring and throttle position sensor；
The driving gear is connected by spline with the output shaft of the direct current generator；
The driven gear is engaged by transmission gear and the driving gear；
The shaft of the axle center of the driven gear and the air throttle is coaxially fixedly linked；
The resetting spring is arranged in the shaft of air throttle, for the reset of air throttle；
The throttle position sensor is arranged in the shaft of the air throttle, for obtaining the position of air throttle, and
Pass it to the control module；
The direct current generator is connected by direct current motor drive circuit with the control module；
The voltage transformation module respectively with power interface, control module, direct current generator, throttle position sensor phase
Even, for by the operating voltage of external voltage conversion module, direct current generator, throttle position sensor in order to control；
The control module is also connected with the RS232 interface, throttle position sensor respectively, for being connect from RS232
Mouth receives the order of host computer, is worked according to the order control direct current generator received, while throttle position sensor is anti-
The data of feedback pass to host computer from RS232 interface；
The host computer is connected by the RS232 interface with the control module, for sending order to control module
And obtain the feedback data of throttle position sensor.
It is described as a kind of further prioritization scheme of vehicular engine throttle control teaching experimental base of the utility model
Control module uses Freescale MC9S08DZ60 microcontrollers.
It is described as a kind of further prioritization scheme of vehicular engine throttle control teaching experimental base of the utility model
Host computer uses PC machine.
It is described as a kind of further prioritization scheme of vehicular engine throttle control teaching experimental base of the utility model
Direct current motor drive circuit drives the direct current generator using L298 chips.
It is described as a kind of further prioritization scheme of vehicular engine throttle control teaching experimental base of the utility model
It is powered in voltage transformation module using LM2940 chips to the throttle position sensor.
The utility model compared with prior art, has following technique effect using above technical scheme：
1. each several part module is relatively independent, disassemble conveniently；
2. the hardware configuration of control system can be observed, the understanding to control principle is deepened by practical operation.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of throttle module in the utility model；
Fig. 3 is the circuit diagram of direct current motor drive circuit in the utility model；
Fig. 4 is the circuit diagram of voltage transformation module in the utility model；
Fig. 5 is the schematic diagram at ipc monitor interface.
In figure, 1- power interfaces, 2-RS232 interfaces, 3- voltage transformation modules, 4- control modules, 5- throttle modules, 6-
Inspection box, 7- host computers, 8-USB interfaces, 9- direct current generators, 10- air throttles, 11- resetting springs, 12- driving gears, 13- are passed
Moving gear, 14- driven gears, 15- throttle position sensor.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
A kind of vehicular engine throttle control teaching experimental base, includes inspection box, power interface, RS232 interface, voltage
Modular converter, control module, throttle module and host computer；
The inspection box is transparent cabinet, and the power interface, RS232 interface are arranged on inspection box, voltage conversion mould
Block, control module, throttle module are arranged in inspection box；
The throttle module includes direct current generator, direct current motor drive circuit, driving gear, transmission gear, driven tooth
Wheel, air throttle, resetting spring and throttle position sensor；
The driving gear is connected by spline with the output shaft of the direct current generator；
The driven gear is engaged by transmission gear and the driving gear；
The shaft of the axle center of the driven gear and the air throttle is coaxially fixedly linked；
The resetting spring is arranged in the shaft of air throttle, for the reset of air throttle；
The throttle position sensor is arranged in the shaft of the air throttle, for obtaining the position of air throttle, and
Pass it to the control module；
The direct current generator is connected by direct current motor drive circuit with the control module；
The voltage transformation module respectively with power interface, control module, direct current generator, throttle position sensor phase
Even, for by the operating voltage of external voltage conversion module, direct current generator, throttle position sensor in order to control；
The control module is also connected with the RS232 interface, throttle position sensor respectively, for being connect from RS232
Mouth receives the order of host computer, is worked according to the order control direct current generator received, while throttle position sensor is anti-
The data of feedback pass to host computer from RS232 interface；
The host computer is connected by the RS232 interface with the control module, for sending order to control module
And obtain the feedback data of throttle position sensor.
The control module uses Freescale MC9S08DZ60 microcontrollers.
The host computer uses PC machine.
The direct current motor drive circuit drives the direct current generator using L298 chips.
It is powered in the voltage transformation module using LM2940 chips to the throttle position sensor.
Host computer interface uses Labview software programmings, and throttle opening control and the variation of real-time display air throttle are upper
Position shows that host computer changes Option Box equipped with pid control parameter simultaneously on machine interface, the parameter for changing PID observes different controls
Influence of the parameter to control system.
220V alternating currents are first transformed into 12V DC and supply electricity to direct current generator power supply by voltage transformation module, then again that 12V is straight
Galvanic electricity is converted to 5V and powers to control module, throttle position sensor, and throttle position sensor output is connected to
The A/D module of MC9S08DZ60 microcontrollers.
Control module receives the instruction of host computer, constantly changes the output arteries and veins of output PWM module according to the instruction of host computer
Width, output pulse width signal are transmitted to direct current motor drive circuit.
In the embodiment shown in fig. 3, using L298 chip drives motors, circuit connection is as shown in Figure 3.Chip 13 and 15
Number foot is connected with single-chip I/O mouth, and chip 16 is connected with two wire connection terminals of No. 17 pins and direct current generator.
In the embodiment shown in fig. 4, used in voltage transformation module LM2940 chips by 12V voltage conversions for 5V voltages to
The throttle position sensor power supply, relevant circuit connection are as shown in Figure 4.
In the embodiment shown in fig. 5, air throttle monitoring interface, which includes left side serial communication setting panel and switch, centre, is
Throttle opening changes real-time display graph, and the upper right corner is the current time in system, and right side is divided there are three parameter regulation Option Box
Not Wei P, I, D represent ratio, integration and differential.When changing arbitrary parameter, control module will be received upper by communication
Machine monitoring interface parameter changes, and first change control parameter when carrying out air throttle PID control is controlled in real time.Student is allowed to lead to
It crosses practical operation and understands PID control principle.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the identical meaning of the general understanding with the those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with the meaning of idealization or overly formal come
It explains.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of vehicular engine throttle control teaching experimental base, which is characterized in that include inspection box, power interface, RS232
Interface, voltage transformation module, control module, throttle module and host computer；
The inspection box is transparent cabinet, and the power interface, RS232 interface are arranged on inspection box, voltage transformation module, control
Molding block, throttle module are arranged in inspection box；
The throttle module includes direct current generator, direct current motor drive circuit, driving gear, transmission gear, driven gear, section
Valve, resetting spring and throttle position sensor；
The driving gear is connected by spline with the output shaft of the direct current generator；
The driven gear is engaged by transmission gear and the driving gear；
The shaft of the axle center of the driven gear and the air throttle is coaxially fixedly linked；
The resetting spring is arranged in the shaft of air throttle, for the reset of air throttle；
The throttle position sensor is arranged in the shaft of the air throttle, for obtaining the position of air throttle, and by its
Pass to the control module；
The direct current generator is connected by direct current motor drive circuit with the control module；
The voltage transformation module is connected respectively with power interface, control module, direct current generator, throttle position sensor, uses
In by the operating voltage of external voltage conversion module, direct current generator, throttle position sensor in order to control；
The control module is also connected with the RS232 interface, throttle position sensor respectively, for being connect from RS232 interface
The order of host computer is received, according to the order control direct current generator work received, while throttle position sensor is fed back
Data pass to host computer from RS232 interface；
The host computer is connected by the RS232 interface with the control module, for sending order to control module and obtaining
Take the feedback data of throttle position sensor.
2. vehicular engine throttle control teaching experimental base according to claim 1, which is characterized in that the control mould
Block uses Freescale MC9S08DZ60 microcontrollers.
3. vehicular engine throttle control teaching experimental base according to claim 1, which is characterized in that the host computer
Using PC machine.
4. vehicular engine throttle control teaching experimental base according to claim 1, which is characterized in that the direct current
Drive circuit drives the direct current generator using L298 chips.
5. vehicular engine throttle control teaching experimental base according to claim 1, which is characterized in that the voltage turns
It changes the mold in block and is powered using LM2940 chips to the throttle position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400136.0U CN207458434U (en) | 2017-04-17 | 2017-04-17 | A kind of vehicular engine throttle control teaching experimental base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400136.0U CN207458434U (en) | 2017-04-17 | 2017-04-17 | A kind of vehicular engine throttle control teaching experimental base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458434U true CN207458434U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400136.0U Expired - Fee Related CN207458434U (en) | 2017-04-17 | 2017-04-17 | A kind of vehicular engine throttle control teaching experimental base |
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| CN (1) | CN207458434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853479A (en) * | 2019-10-29 | 2020-02-28 | 同济大学 | Experiment teaching device for automobile electronic throttle valve |
| CN117555223A (en) * | 2024-01-05 | 2024-02-13 | 深圳风向标教育资源股份有限公司 | Parameter calibration method, device, terminal equipment and storage medium |
-
2017
- 2017-04-17 CN CN201720400136.0U patent/CN207458434U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853479A (en) * | 2019-10-29 | 2020-02-28 | 同济大学 | Experiment teaching device for automobile electronic throttle valve |
| CN117555223A (en) * | 2024-01-05 | 2024-02-13 | 深圳风向标教育资源股份有限公司 | Parameter calibration method, device, terminal equipment and storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20200417 |