CN103206528A - Double-clutch signal processing system - Google Patents
Double-clutch signal processing system Download PDFInfo
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- CN103206528A CN103206528A CN201310060772XA CN201310060772A CN103206528A CN 103206528 A CN103206528 A CN 103206528A CN 201310060772X A CN201310060772X A CN 201310060772XA CN 201310060772 A CN201310060772 A CN 201310060772A CN 103206528 A CN103206528 A CN 103206528A
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- gear
- converting circuit
- valve group
- electromagnetic induction
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Abstract
A kind of double clutch signal processing system, the input end of the central processing unit included in the system links with selecting the gear shift information module, the carry-out terminal links with driving module of the electromagnetic valve group, the driving module of the electromagnetic valve group includes selecting the electromagnetic valve group driving circuit of gear shift and driving circuit of the double clutch electromagnetic valve group, and there are CAN network modules on the central processing unit; the gear selecting and shifting information module comprises an odd gear position digital-to-analog conversion circuit, an even gear position digital-to-analog conversion circuit and a neutral gear position digital-to-analog conversion circuit, and output voltage ends of the odd gear position digital-to-analog conversion circuit, the even gear position digital-to-analog conversion circuit and the neutral gear position digital-to-analog conversion circuit are connected with an input end of the central processing unit. The design has the advantages of high reliability, high stability, simple structure and low cost.
Description
Technical field
The present invention relates to a kind of automatical control system of double clutch, relate in particular to a kind of double clutch signal processing system, specifically be applicable to reliability, the stability of raising system, and the simplified structure design.
Background technique
Along with electronic technology is used more and more widely at automotive field, increasing automobile has adopted automatic speed changing (namely finishing the shifting process by ECU (Electrical Control Unit) control gearbox mechanical part) system, as AMT and DCT, wherein, because DCT can realize the continuity of transmission of power by the preliminary election gear shift, there is not the problem of the cut-out power gear shifting of AMT existence, thereby uses more and more widely.The smoothness of DCT gear shift and power depend on its whistle control system continuously, and the normal operation of whistle control system must be based on signal processing system.
The Chinese patent publication number is CN102230531A, the patent of invention that open day is on November 2nd, 2011 discloses a kind of double-clutch automatic gearbox automatical control system, comprise with TMS320F28xx being the DSP control processor of control core, the multiple sensor signals input channel, signal output channels, the solenoid-driven module, CAN communication bus and power module, earlier gather engine speed with sensor, the output shaft rotating speed, the pulse signal of input shaft rotating speed, the vehicle shift signal, the clutch pressure signal, the oil temperature signal, accelerator pedal signal and other signal, after TMS320F28xx handles, deliver to DSP control processor again, deliver to each solenoid-driven module of PWM output signal channel after the processing, the engine oil gate control, radiation system.Though this invention adopts the multiple input signals of the multi-sensor collection of high performance control processor DSP to handle, and has improved treatment effeciency to a certain extent, it still has following defective:
At first, this invention comprises each selector fork position for the collection signal of gear, do not treat with a certain discrimination according to the difference of odd number shelves, even number retaining, neutral, more need not carry according to different concrete gears and send different signals, thereby increased difficulty to Signal Processing, not only easily reduce signal processing efficiency, even can produce wrong processing result, reduce the reliability of control;
Secondly, this invention need all be monitored and sets up signal transmission passage each selector fork position, and the signal demand that monitors just can send to central processing unit (CPU), not only complex structure through signal transmission passage separately, and increased the load of central processing unit (CPU), easily reduce the stability of control.
Summary of the invention
The objective of the invention is to overcome that the reliability that exists in the prior art is lower, stability is weak, baroque defective and problem, and the double clutch signal processing system that a kind of reliability is higher, stability is stronger, simple in structure is provided.
For realizing above purpose, technical solution of the present invention is: a kind of double clutch signal processing system, comprise central processing unit (CPU), select gear-shifting information module and solenoid valve group driver module, the input end of described central processing unit (CPU) is connected with selecting the gear-shifting information module, output terminal is connected with solenoid valve group driver module, and central processing unit (CPU) is provided with the CAN mixed-media network modules mixed-media;
The described gear-shifting information module of selecting comprises that odd gear is put D/A converting circuit, the even number gear is put D/A converting circuit and neutral position D/A converting circuit, and odd gear is put D/A converting circuit, even number gear and put the output voltage terminal of D/A converting circuit, neutral position D/A converting circuit and be connected with the input end of central processing unit (CPU);
Described odd gear is put D/A converting circuit, the even number gear is put and all is provided with a plurality of electromagnetic induction switch corresponding with gear in D/A converting circuit, the neutral position D/A converting circuit.
Described odd gear is put D/A converting circuit and is comprised four electromagnetic induction switch corresponding with odd number shelves gear;
Described even number gear is put D/A converting circuit and is comprised three electromagnetic induction switch corresponding with even number shelves gear, and an electromagnetic induction switch corresponding with the reverse gear gear;
Described neutral position D/A converting circuit comprises five electromagnetic induction switch corresponding with the neutral gear gear.
Described electromagnetic induction switch all is contactless single-pole single-throw switch (SPST).
Described solenoid valve group driver module comprises and selects gear shift solenoid valve group drive circuit and double clutch solenoid valve group drive circuit.
Compared with prior art, beneficial effect of the present invention is:
1, the gear-shifting information module of selecting in a kind of double clutch signal processing system of the present invention comprises that odd gear puts D/A converting circuit, the even number gear is put D/A converting circuit and neutral position D/A converting circuit, all comprise a plurality of electromagnetic induction switch corresponding with gear in every kind of positional number analog conversion circuit, in the use, when selecting certain gear, closure can take place in its corresponding electromagnetic induction switch, make the output voltage of positional number analog conversion circuit at its place change, and then make gear corresponding one by one with output voltage, the corresponding unique voltage output value of each gear, and voltage output value is all different, greatly reduce the intractability of central control unit, improved the reliability of system's control.Therefore, reliability of the present invention is higher.
2, a kind of double clutch signal processing system of the present invention comprises a plurality of electromagnetic induction switch corresponding with gear, the corresponding voltage output value of gear, though gear is a lot, voltage output value is a lot, but all electromagnetic induction switch all are distributed in the odd number shelves, the even number shelves, in these three kinds of positional number analog conversion circuits of neutral gear, make the voltage output end that is connected with central control unit have only three, this design has not only reduced circuit and has connected difficulty, be convenient to set up signal transmission passage, and reduced signal transmission loop, can effectively avoid the mistake in the signals transmission, be convenient to improve the stability that signal is handled.Therefore, stability of the present invention is stronger.
3, the gear-shifting information module of selecting in a kind of double clutch signal processing system of the present invention comprises odd number shelves, even number shelves, neutral position D/A converting circuit, be altogether three positional number analog conversion circuits, negligible amounts, and only adopt simple components and parts such as electromagnetic induction switch, electric capacity, resistance in each D/A converting circuit, not only layout is clear, and simple in structure, cost is lower.Therefore, of the present invention simple in structure.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: central processing unit (CPU) 1, select that gear-shifting information module 2, odd gear put that D/A converting circuit 21, even number gear are put D/A converting circuit 22, neutral position D/A converting circuit 23, solenoid valve group driver module 3, selected gear shift solenoid valve group drive circuit 31, double clutch solenoid valve group drive circuit 32, CAN mixed-media network modules mixed-media 4.
Embodiment
The present invention is further detailed explanation below in conjunction with description of drawings and embodiment.
Referring to Fig. 1, a kind of double clutch signal processing system, comprise central processing unit (CPU) 1, select gear-shifting information module 2 and solenoid valve group driver module 3, the input end of described central processing unit (CPU) 1 is connected with selecting gear-shifting information module 2, output terminal is connected with solenoid valve group driver module 3, and central processing unit (CPU) 1 is provided with CAN mixed-media network modules mixed-media 4;
The described gear-shifting information module 2 of selecting comprises that odd gear puts D/A converting circuit 21, even number gear and put D/A converting circuit 22 and neutral position D/A converting circuit 23, and odd gear is put D/A converting circuit 21, even number gear and put the output voltage terminal of D/A converting circuit 22, neutral position D/A converting circuit 23 and be connected with the input end of central processing unit (CPU) 1;
Described odd gear is put D/A converting circuit 21, the even number gear is put and all is provided with a plurality of electromagnetic induction switch corresponding with gear in D/A converting circuit 22, the neutral position D/A converting circuit 23.
Described odd gear is put D/A converting circuit 21 and is comprised four electromagnetic induction switch corresponding with odd number shelves gear;
Described even number gear is put D/A converting circuit 22 and is comprised three electromagnetic induction switch corresponding with even number shelves gear, and an electromagnetic induction switch corresponding with the reverse gear gear;
Described neutral position D/A converting circuit 23 comprises five electromagnetic induction switch corresponding with the neutral gear gear.
Described electromagnetic induction switch all is contactless single-pole single-throw switch (SPST).
Described solenoid valve group driver module 3 comprises and selects gear shift solenoid valve group drive circuit 31 and double clutch solenoid valve group drive circuit 32.
Principle of the present invention is described as follows:
Odd gear is put D/A converting circuit 21, even number gear and is put the output voltage terminal of D/A converting circuit 22, neutral position D/A converting circuit 23 and all be connected with the input end of central processing unit (CPU) 1 among the present invention, and put D/A converting circuit 21 in odd gear, the even number gear is put and all respectively is provided with a plurality of electromagnetic induction switch corresponding with gear in D/A converting circuit 22, the neutral position D/A converting circuit 23.
When the gearbox selector gearshift moves to the gear of design, the electromagnetic induction switch closure that it is corresponding, the positional number analog conversion circuit conducting at its place, after the conducting, because the closure of different electromagnetic induction switch can make the distribution of voltage in the circuit produce different variations, thereby the closure of different electromagnetic induction switch can cause this positional number analog conversion circuit to the different magnitude of voltage of central processing unit (CPU) 1 output, thereby make the gear of passing to central processing unit (CPU) 1 gather signal is become a variation by a plurality of digital signals analog signals, the hardware resource of central processing unit (CPU) 1 is more fully used, central processing unit (CPU) 1 receives the odd number shelves, the even number shelves, behind three magnitude of voltage that the neutral position D/A converting circuit sends, carry out current gear according to its internal algorithm according to these three values again, the calculating of target gear, the current gear that will calculate then, the result of target gear is transferred in the power bus network by CAN mixed-media network modules mixed-media 4 with the form of SAE J1939 message, other controllers that offer on the vehicle with the form of broadcasting use, simultaneously, central processing unit (CPU) 1 calculates the target gear in conjunction with other information of collecting by inner strategy, then according to the target gear exchange shelves solenoid valve group drive circuit 31 that calculates, double clutch solenoid valve group drive circuit 32 controls to realize the shifting process of DCT system.
Embodiment 1:
A kind of double clutch signal processing system, comprise central processing unit (CPU) 1, select gear-shifting information module 2, solenoid valve group driver module 3 and CAN mixed-media network modules mixed-media 4, the input end of described central processing unit (CPU) 1 is connected with selecting gear-shifting information module 2, output terminal is connected with solenoid valve group driver module 3, this solenoid valve group driver module 3 comprises and selects gear shift solenoid valve group drive circuit 31 and double clutch solenoid valve group drive circuit 32, and central processing unit (CPU) 1 is provided with CAN mixed-media network modules mixed-media 4;
The described gear-shifting information module 2 of selecting comprises that odd gear puts D/A converting circuit 21, even number gear and put D/A converting circuit 22 and neutral position D/A converting circuit 23, and described odd gear is put D/A converting circuit 21, even number gear and put the output voltage terminal of D/A converting circuit 22, neutral position D/A converting circuit 23 and be connected with the input end of central processing unit (CPU) 1;
Described odd gear is put D/A converting circuit 21 and is comprised four electromagnetic induction switch corresponding with odd number shelves gear; Described even number gear is put D/A converting circuit 22 and is comprised three electromagnetic induction switch corresponding with even number shelves gear, and an electromagnetic induction switch corresponding with the reverse gear gear; Described neutral position D/A converting circuit 23 comprises five electromagnetic induction switch corresponding with the neutral gear gear.
Claims (4)
1. double clutch signal processing system, comprise central processing unit (CPU) (1), select gear-shifting information module (2) and solenoid valve group driver module (3), the input end of described central processing unit (CPU) (1) is connected with selecting gear-shifting information module (2), output terminal is connected with solenoid valve group driver module (3), and central processing unit (CPU) (1) is provided with CAN mixed-media network modules mixed-media (4), it is characterized in that:
The described gear-shifting information module (2) of selecting comprises that odd gear puts D/A converting circuit (21), even number gear and put D/A converting circuit (22) and neutral position D/A converting circuit (23), and odd gear is put D/A converting circuit (21), even number gear and put the output voltage terminal of D/A converting circuit (22), neutral position D/A converting circuit (23) and be connected with the input end of central processing unit (CPU) (1);
Described odd gear is put D/A converting circuit (21), the even number gear is put in D/A converting circuit (22), the neutral position D/A converting circuit (23) and all is provided with a plurality of electromagnetic induction switch corresponding with gear.
2. a kind of double clutch signal processing system according to claim 1 is characterized in that:
Described odd gear is put D/A converting circuit (21) and is comprised four electromagnetic induction switch corresponding with odd number shelves gear;
Described even number gear is put D/A converting circuit (22) and is comprised three electromagnetic induction switch corresponding with even number shelves gear, and an electromagnetic induction switch corresponding with the reverse gear gear;
Described neutral position D/A converting circuit (23) comprises five electromagnetic induction switch corresponding with the neutral gear gear.
3. a kind of double clutch signal processing system according to claim 1 and 2, it is characterized in that: described electromagnetic induction switch all is contactless single-pole single-throw switch (SPST).
4. a kind of double clutch signal processing system according to claim 1 and 2 is characterized in that: described solenoid valve group driver module (3) comprises and selects gear shift solenoid valve group drive circuit (31) and double clutch solenoid valve group drive circuit (32).
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| CN201310060772.XA CN103206528B (en) | 2013-02-27 | 2013-02-27 | Double-clutch signal processing system |
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| CN201310060772.XA CN103206528B (en) | 2013-02-27 | 2013-02-27 | Double-clutch signal processing system |
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| CN103206528A true CN103206528A (en) | 2013-07-17 |
| CN103206528B CN103206528B (en) | 2015-03-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794801A (en) * | 2015-05-13 | 2015-07-22 | 恒银金融科技有限公司 | Bijection type ultrasonic module for bank note thickness detection |
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| US5249658A (en) * | 1989-12-05 | 1993-10-05 | Dickey-John Corporation | Transmission controller |
| JPH10122346A (en) * | 1996-10-23 | 1998-05-15 | Aisin Aw Co Ltd | Transmission control device for automatic transmission |
| CN101122334A (en) * | 2007-09-12 | 2008-02-13 | 同济大学 | Double-clutch automatic speed-changer electric controller and its control method |
| US20080096721A1 (en) * | 2006-10-24 | 2008-04-24 | Jatco Ltd | Automatic transmission control apparatus |
| CN101922545A (en) * | 2010-08-20 | 2010-12-22 | 上海汽车变速器有限公司 | Self-adaption gear shifting device for double-clutch automatic gearbox and realizing method thereof |
| CN102619970A (en) * | 2011-01-28 | 2012-08-01 | 同济大学 | Electronic control unit for dry-type 5-speed-grade double clutch transmission and application thereof |
| CN203176337U (en) * | 2013-02-27 | 2013-09-04 | 东风汽车公司 | Double-clutch signal processing system |
-
2013
- 2013-02-27 CN CN201310060772.XA patent/CN103206528B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5249658A (en) * | 1989-12-05 | 1993-10-05 | Dickey-John Corporation | Transmission controller |
| JPH10122346A (en) * | 1996-10-23 | 1998-05-15 | Aisin Aw Co Ltd | Transmission control device for automatic transmission |
| US20080096721A1 (en) * | 2006-10-24 | 2008-04-24 | Jatco Ltd | Automatic transmission control apparatus |
| CN101122334A (en) * | 2007-09-12 | 2008-02-13 | 同济大学 | Double-clutch automatic speed-changer electric controller and its control method |
| CN101922545A (en) * | 2010-08-20 | 2010-12-22 | 上海汽车变速器有限公司 | Self-adaption gear shifting device for double-clutch automatic gearbox and realizing method thereof |
| CN102619970A (en) * | 2011-01-28 | 2012-08-01 | 同济大学 | Electronic control unit for dry-type 5-speed-grade double clutch transmission and application thereof |
| CN203176337U (en) * | 2013-02-27 | 2013-09-04 | 东风汽车公司 | Double-clutch signal processing system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104794801A (en) * | 2015-05-13 | 2015-07-22 | 恒银金融科技有限公司 | Bijection type ultrasonic module for bank note thickness detection |
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| CN103206528B (en) | 2015-03-11 |
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Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130703 |
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Effective date of registration: 20130703 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Applicant after: Dongfeng Motor Corporation Address before: 430056 Dongfeng Road, Wuhan Economic Development Zone, Hanyang District, Hubei, China, No. 10, No. Applicant before: DONGFENG MOTER Co.,Ltd. |
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: DONGFENG MOTOR Corp. Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Motor Corporation |