CN104612839A - Engine revolution speed control device - Google Patents
Engine revolution speed control device Download PDFInfo
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- CN104612839A CN104612839A CN201510046640.0A CN201510046640A CN104612839A CN 104612839 A CN104612839 A CN 104612839A CN 201510046640 A CN201510046640 A CN 201510046640A CN 104612839 A CN104612839 A CN 104612839A
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- speed control
- rotational speed
- control apparatus
- engine rotational
- engine
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Abstract
Disclosed is an engine revolution speed control device. The input end of the engine revolution speed control device (2) is connected with an accelerator sensor (1), and the output end of the engine revolution speed control device (2) is connected with an engine controller (3). The engine revolution speed control device comprises an accelerator signal data acquisition module (2.1), a CPU (2.2) and a controlled voltage module (2.3). The input end of the accelerator signal data acquisition module (2.1) is connected with the accelerator sensor (1), the output end of the accelerator signal data acquisition module (2.1) is connected with the CPU (2.2), the output end of the CPU (2.2) is connected with the controlled voltage module (2.3), and the output end of the controlled voltage module (2.3) is used as the output end of the engine revolution speed control device to be connected with an APS port of the engine controller (3). The engine revolution speed control device is wider in accelerator sensor application type, flexible in revolution speed control, universal in control mode, and capable of being integrated.
Description
Technical field
The present invention relates to a kind of field of engine control, especially relate to the revolution speed control device of a kind of electronic fuel injection engine or a kind of electric-control motor.
Background technique
Along with the increasingly stringent of Abgasgesetz, the each large manufacturers of engines in the world is proposed the motor of new stage emission standard one after another, motor (such as meeting the triphasic motor in the Europe) overwhelming majority of new stage emission standard all adopts EFI control technique or electric control controlling technique to carry out satisfy regulatory requirement, and its essential distinction is the increase in the E_ECU controller of self to control the normal operation of motor.
Original mechanical throttle pulling rod engine mainly adopts the mode of acceleration cable or Electric Machine Control acceleration cable to realize to the control of rotating speed, the fundamental difference that the rotating speed of its own band E_ECU controller motor controls is, peripheral unit directly can not control the rotating speed size of motor, E_ECU controller rotating speed control command must be issued by peripheral unit, finally control engine speed size by E_ECU controller.
E_ECU controller adopts the rotating speed control command receiving peripheral unit in two ways usually.A kind of is by the APS Throttle Opening Control port input speed control command of throttle sensor to E_ECU controller, this mode requires that the parameters precision of throttle sensor is very high, therefore the cost of throttle sensor also can be very high, and throttle sensor to be directly connected to the flexibility that E_ECU controller APS Throttle Opening Control port controls the control accuracy of rotating speed and rotating speed poor;
Another kind is by the CAN to E_ECU controller sending the rotating speed that rotating speed control command controls motor, this mode needs peripheral unit must have CAN communication function, and part motor manufacturer open in order to the safety of data can not control the function of engine speed to E_ECU controller CAN.
Therefore, need to design a kind of new engine rotational speed control apparatus and make to control more flexibly the rotating speed of its own band E_ECU controller motor, control mode is more general, and cost performance is high.
Summary of the invention
The present invention, for solving problems of the prior art, provides a kind of engine rotational speed control apparatus of the motor for its own band E_ECU controller, and make method for controlling number of revolution more flexible, control mode is more general, and cost performance is high.
The present invention realizes like this, a kind of engine rotational speed control apparatus, described engine rotational speed control apparatus input end connects throttle sensor, output terminal connecting engine controller, described engine rotational speed control apparatus comprises throttle signal data acquisition module, cpu central processing unit and controllable voltage module, the input end of described throttle signal data acquisition module connects described throttle sensor, the output terminal of described throttle signal data acquisition module connects described cpu central processing unit, the output terminal of described cpu central processing unit connects described controllable voltage module, the output terminal of described controllable voltage module connects the APS port of described engine controller as the output terminal of engine rotational speed control apparatus.
Further, described engine rotational speed control apparatus also comprises sampling feedback module, described sampling feedback module input connects the output terminal of described controllable voltage module, and described sampling feedback module output terminal connects described cpu central processing unit and forms closed loop control system.
Further, described cpu central processing unit is connected with peripheral unit signal.
Further, described peripheral unit sends to the instruction of cpu central processing unit to be rotating speed control command.
Of the present invention have following technique effect: (1) throttle sensor Selective type is wider, more easily accomplishes the versatility of throttle sensor; (2) rotating speed controls flexibly, and control mode is more general, and control gear can be integrated, and control gear cost performance is high.
Accompanying drawing explanation
Fig. 1 is the connection diagram of engine rotational speed control apparatus of the present invention;
Fig. 2 is engine rotational speed control apparatus schematic diagram of the present invention;
Fig. 3 is the application example schematic diagram of engine rotational speed control apparatus of the present invention
1 throttle sensor, 2 engine rotational speed control apparatus, 3 controllers, 4 peripheral units
2.1 data acquisition modules, 2.2CPU central processing unit (CPU), 2.3 controllable voltage modules, 2.4 sampling feedback modules,
P throttle position, APS Throttle Opening Control port, V engine speed, D_IN analog input, SW_IN On-off signal, output exports control
Embodiment
Following examples are used for the present invention is described, but are not used for limiting the scope of the invention.
Embodiment
As shown in Figure 1, motor self is with E_ECU controller, because on E_ECU controller 3, APS Throttle Opening Control port must be joined, therefore inventing a kind of new engine rotational speed control apparatus 2 replaces throttle sensor 1 to be directly connected with the APS Throttle Opening Control port of controller 3, and throttle sensor 1 is connected with engine rotational speed control apparatus 2.Engine rotational speed control apparatus 2 after the signal of throttle sensor 1 being detected by analysis engine rotational speed control apparatus 2 be processed into the stable rotating speed control command meeting APS Throttle Opening Control port requirements and send to controller 3, realize the control of engine speed.
As shown in Figure 2, a kind of internal structure example of engine rotational speed control apparatus 2 forms primarily of throttle signal data acquisition module 2.1, cpu central processing unit 2.2, sampling feedback module 2.4 and controllable voltage module 2.3.The P throttle position signal of throttle sensor 1 sends into cpu central processing unit 2.2 after throttle signal data sampling module 2.1 processes, cpu central processing unit 2.2 process logical relation by planning in advance or by first time by P throttle position signal plan and rotating speed one to one logic demarcate the logical relation that stores afterwards or send to the instruction of cpu central processing unit 2.2 (such as the instruction of auto idle speed function) by peripheral unit and control signal is sent to controllable voltage module 2.3, controllable voltage module 2.3 becomes the acceptable speed controling signal of controller 3APS port to realize the control of starting rotating speed according to the signal transacting of cpu central processing unit 2.2, the signal feed back that sampling feedback module 2.4 Real-time Collection controllable voltage module 2.3 sends forms closed loop control system to cpu central processing unit 2.2.Described controllable voltage module 2.3 is DAC controllable voltage module, and described sampling feedback module is AD sampling feedback module.
Engine rotational speed control apparatus 2 is by parameter calibration determination throttle sensor 1 parameter and the rotary speed instruction one-to-one relationship sending to controller 3APS Throttle Opening Control port, and can again plan the rotating speed of motor under different operating situation by the relation of the parameter or the change signal of throttle sensor 1 and the engine speed instruction of engine controlling unit 2 that more become engine rotational speed control apparatus 2, therefore, the object controlling engine speed flexibly can be reached.
Engine controlling unit 2 is adopted to coordinate other peripheral electrical devices can also realize the function such as motor auto idle speed or Match control.
Anticipating of start control apparatus 2 pairs of throttle sensor 1 signals is adopted finally directly to send instruction to controller 3 by engine controlling unit 2, the requirement to throttle sensor 1 parameters precision can be reduced, throttle sensor 1 Selective type is wider, more easily accomplish the versatility of throttle sensor 1, it also avoid the high cost that the throttle sensor 1 of high-precision requirement must be selected to bring simultaneously.
Described engine controlling unit 2 can be integrated into (such as the monitoring unit of controller or band controlling functions) in other necessary electric devices of electrical system, only need carry out simple design to the electric device of this function integrated just can realize, therefore the present invention realizes more simple and convenient.As shown in Figure 3, such as in hydraulic excavating electrical-mechanical system, peripheral unit 4 is coordinated to be combined into the electric control system of complete set engine controlling unit 2.Peripheral unit 4 and engine controlling unit 2 can be two independently devices, also engine controlling unit 2 can be integrated on peripheral unit 4 and form a device, such as, engine controlling unit 2 is integrated in Vehicle Controller or in vehicle-mounted monitoring instrument etc.Peripheral unit 4 is by judging the analog signalses such as hydraulic pressure, after the on-off model such as hydraulic pressure idling pressure switch and engine rotational speed signal, send instruction and realize auto idle speed function to engine rotational speed control apparatus 2, export in real time the signal of hydraulic control pump power can realize Match and control by the engine speed set by engine rotational speed control apparatus 2 simultaneously.
The advantage of the revolution speed control device of motor of the present invention has: (1) throttle sensor Selective type is wider, more easily accomplishes the versatility of throttle sensor; (2) rotating speed controls flexibly, and control mode is more general, and control gear can be integrated, and control gear cost performance is high.
Claims (4)
1. an engine rotational speed control apparatus, described engine rotational speed control apparatus input end connects throttle sensor (1), output terminal connecting engine controller (3), it is characterized in that: described engine rotational speed control apparatus comprises throttle signal data acquisition module (2.1), cpu central processing unit (2.2) and controllable voltage module (2.3), the input end of described throttle signal data acquisition module (2.1) connects described throttle sensor (1), the output terminal of described throttle signal data acquisition module (2.1) connects described cpu central processing unit (2.2), the output terminal of described cpu central processing unit (2.2) connects described controllable voltage module (2.3), the output terminal of described controllable voltage module (2.3) connects the APS port of described engine controller (3) as the output terminal of engine rotational speed control apparatus.
2. engine rotational speed control apparatus according to claim 1, it is characterized in that: described engine rotational speed control apparatus also comprises sampling feedback module (2.4), described sampling feedback module (2.4) input end connects the output terminal of described controllable voltage module (2.3), and described sampling feedback module (2.4) output terminal connects described cpu central processing unit (2.2) and forms closed loop control system.
3. engine rotational speed control apparatus according to claim 1 and 2, is characterized in that: described cpu central processing unit (2.2) is connected with peripheral unit (4) signal.
4. engine rotational speed control apparatus according to claim 3, is characterized in that: described peripheral unit (4) sends to the instruction of cpu central processing unit (2.2) to be rotating speed control command (v).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510046640.0A CN104612839B (en) | 2015-01-29 | 2015-01-29 | Engine revolution speed control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510046640.0A CN104612839B (en) | 2015-01-29 | 2015-01-29 | Engine revolution speed control device |
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| CN104612839A true CN104612839A (en) | 2015-05-13 |
| CN104612839B CN104612839B (en) | 2017-02-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107575311A (en) * | 2017-10-10 | 2018-01-12 | 恒天九五重工有限公司 | Diesel engine throttle control device and its control method |
| CN110508203A (en) * | 2019-08-29 | 2019-11-29 | 德丰电创科技股份有限公司 | A kind of adjustable driving mechanism of speed, control method and blender |
| CN111163845A (en) * | 2017-10-02 | 2020-05-15 | 沃尔布罗有限责任公司 | Multifunctional engine control and input system |
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| CN103527339A (en) * | 2013-09-16 | 2014-01-22 | 北京交通大学 | Device and method for controlling diesel engine to rapidly start and stop |
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2015
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| US4941444A (en) * | 1988-02-26 | 1990-07-17 | Mazda Motor Company | Engine control apparatus |
| CN1563690A (en) * | 2004-03-19 | 2005-01-12 | 湖南大学 | Smart controller of electronic air throttle |
| CN101210615A (en) * | 2006-12-27 | 2008-07-02 | 比亚迪股份有限公司 | Elastic control method for automatic transmission case choke |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111163845A (en) * | 2017-10-02 | 2020-05-15 | 沃尔布罗有限责任公司 | Multifunctional engine control and input system |
| US11047355B2 (en) | 2017-10-02 | 2021-06-29 | Walbro Llc | Multi-function engine control and input system |
| US11300090B2 (en) | 2017-10-02 | 2022-04-12 | Walbro Llc | Multi-function engine control and input system |
| CN111163845B (en) * | 2017-10-02 | 2022-08-02 | 沃尔布罗有限责任公司 | Multifunctional engine control and input system |
| CN107575311A (en) * | 2017-10-10 | 2018-01-12 | 恒天九五重工有限公司 | Diesel engine throttle control device and its control method |
| CN110508203A (en) * | 2019-08-29 | 2019-11-29 | 德丰电创科技股份有限公司 | A kind of adjustable driving mechanism of speed, control method and blender |
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| CN104612839B (en) | 2017-02-22 |
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