CN202319917U - Control system for engine accelerator and machine comprising engine - Google Patents
Control system for engine accelerator and machine comprising engine Download PDFInfo
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- CN202319917U CN202319917U CN2011204676405U CN201120467640U CN202319917U CN 202319917 U CN202319917 U CN 202319917U CN 2011204676405 U CN2011204676405 U CN 2011204676405U CN 201120467640 U CN201120467640 U CN 201120467640U CN 202319917 U CN202319917 U CN 202319917U
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Abstract
The utility model provides a control system for an engine accelerator and a machine comprising an engine, and are used for solving the problem that a control manner of the engine accelerator in the prior art is easy to enable a driver to feel tired, and the control on the rotating speed of the engine is not accurate enough. The control system comprises an accelerator pedal system and an engine control unit, and further comprises a manual operation system and a controller, wherein the manual operation system is connected with the controller for receiving external operation and providing an analogue signal with a range which is the same as a range of an analogue signal output by the accelerator pedal system in external operation; and the controller is connected with the engine control unit for converting the analogue signal provided by the manual operation system to a digital signal of the engine control unit for controlling the engine, and then sending the digital signal to the engine control unit.
Description
Technical field
The utility model relates to the engine control technical field, relates to a kind of control system and the machine that comprises driving engine of engine throttle especially.
Background technology
Driving engine is the power resources of many machines.Fig. 1 is the scheme drawing according to the control principle of the engine throttle of correlation technique.As shown in Figure 1; In correlation technique; The Throttle Opening Control of driving engine mainly is to realize through Das Gaspedal, and Das Gaspedal meta (promptly not the position when trampling) signal is 0.5V, and the foot pedals opening from small to large; Export the analog signal of 0.5V～4.5V from small to large and give the Engine ECU control unit; A/D converts 1～1024 digital signal into through the Engine ECU controller, exports to the driving engine actuating unit after handling through the Engine ECU internal processor, and the control engine speed changes from the idling to the maximum speed.
For engineering truck, for example hoisting crane, excavating machine, paver etc., the working strength of work-site is big, and the operating time is long; For engineering truck, sometimes the particularity of engine speed is had relatively high expectations in addition.In realizing the process of the utility model, the contriver find and in the correlation technique mode for engine throttle make driver fatigue easily, and accurate inadequately to the control of engine speed.
For the problems referred to above that exist in the correlation technique, effective solution is not proposed as yet in the correlation technique.
The utility model content
The main purpose of the utility model provides a kind of control system and the machine that comprises driving engine of engine throttle; The mode for engine throttle makes driver fatigue easily in the prior art to solve, and to the accurate inadequately problem of the control of engine speed.
To achieve these goals, according to an aspect of the utility model, a kind of control system of engine throttle is provided.
The control system of the engine throttle of the utility model comprises Das Gaspedal system and control unit of engine; Also comprise manual operation system and controller; Wherein: above-mentioned manual operation system is connected with controller, the identical analog signals of scope that is used to accept peripheral operation and the analog signals of being exported with the Das Gaspedal system is provided when receiving peripheral operation; Above-mentioned controller is connected with control unit of engine, is used for converting the analog signals that manual operation system provides to digital quantity signal that control unit of engine is used for controlling driving engine, then this digital quantity signal is sent to control unit of engine.
Further, above-mentioned control system also comprises switched system, is connected with controller, is used to accept peripheral operation and when receiving peripheral operation, sends first enable signal or second enable signal corresponding to the type of this peripheral operation to controller; Comprise treater in the above-mentioned controller, this treater is used for when receiving first enable signal, making controller to handle the signal that the throttle pedal system is sent, and when receiving second enable signal, makes controller handle the signal that manual operation system is sent.
Further, comprise the electric potential signal output unit in the above-mentioned manual operation system, the analog signals that produces corresponding to this peripheral operation when this electric potential signal output unit is used for receiving peripheral operation according to manual operation system sends to controller then.
Further, comprise potentiometer in the above-mentioned electric potential signal output unit.
Further, also comprise in the above-mentioned manual operation system: current potential conditioning signal output unit is used for after receiving peripheral operation, the current potential conditioning signal being sent to controller; Comprise control apparatus in the controller, be used for after receiving the current potential conditioning signal, the size of the analog signals that the electric potential signal output unit is produced is done the increase of preset step-length or is reduced.
Further, comprise button in the above-mentioned current potential conditioning signal output unit, be used to accept peripheral operation.
Further, above-mentioned controller and control unit of engine are through the total wire joint of CAN.
Further, above-mentioned controller is a programmable logic controller (PLC).
According to the utility model on the other hand, a kind of machine that comprises driving engine is provided, this machine also comprises the control system of the engine throttle of the utility model.
Further, above-mentioned machine is an engineering truck.
Technical scheme according to the utility model; Employing comprises control system and the machine that comprises driving engine of the engine throttle of Das Gaspedal system and control unit of engine, manual operation system and controller; Make it possible to manually realize the control of engine throttle; Provide at needs under the operating mode of constant accelerator open degree, the mode that can solve engine throttle in the prior art makes driver fatigue easily, and to the accurate inadequately problem of the control of engine speed; Reduced working strength, improved control accuracy simultaneously engine speed.
Description of drawings
Figure of description is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the scheme drawing according to the control principle of the engine throttle of correlation technique;
Fig. 2 is the chief component scheme drawing according to the control system of a kind of engine throttle of the utility model embodiment;
Fig. 3 is the chief component scheme drawing according to the control system of the another kind of engine throttle of the utility model embodiment;
Fig. 4 is the component part scheme drawing according to the machine that comprises driving engine of the utility model embodiment; And
Fig. 5 is the scheme drawing according to a kind of concrete principle of work of the control system of the engine throttle of present embodiment.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 2 is the chief component scheme drawing according to the control system of a kind of engine throttle of the utility model embodiment.
As shown in Figure 2; The control system of engine throttle is except comprising Das Gaspedal system 11 and control unit of engine 12; Also mainly comprise interconnected manual operation system 13 and controller 14, the identical analog signals of scope that manual operation system 13 is used to accept peripheral operation and the analog signals of being exported with the Das Gaspedal system is provided when receiving peripheral operation; Controller 14 is connected with control unit of engine, is used for converting the analog signals that manual operation system 13 provides to digital quantity signal that control unit of engine is used for controlling driving engine, then this digital quantity signal is sent to control unit of engine.
Can comprise electric potential signal output unit (not shown) in the manual operation system 13, the analog signals that produces corresponding to this peripheral operation when this electric potential signal output unit is used for receiving peripheral operation according to manual operation system 13 sends to controller 14 then.
Fig. 3 is the chief component scheme drawing according to the control system of the another kind of engine throttle of the utility model embodiment.
As shown in Figure 3, can also comprise following component part the each several part of this control system in comprising Fig. 2:
Switched system 15 is connected with controller 14, is used to accept peripheral operation and when receiving peripheral operation, sends first enable signal or second enable signal corresponding to the type of this peripheral operation to controller 14; Comprise the treater (not shown) in this controller 14; This treater is used for when receiving first enable signal, making controller 14 to handle the signal that the throttle pedal system is sent, and when receiving second enable signal, makes controller 14 handle the signal that manual operation system 13 is sent.Can make controller 14 select to handle the signal that signal that the throttle pedal system sends or manual operation system are sent like this, thereby reduce the probability of maloperation according to the enable signal that receives.
Can comprise the potentiometer (not shown) in the above-mentioned electric potential signal output unit.Use this potentiometer can accurately control engine speed.
Also can comprise in the above-mentioned manual operation system 13: current potential conditioning signal output unit (not shown) is used for after receiving peripheral operation, the current potential conditioning signal being sent to controller 14; Comprise the button (not shown) in this current potential conditioning signal output unit, be used to accept peripheral operation, adopt this current potential conditioning signal output unit and button can realize controlling more accurately the rotating speed of driving engine.
Also can comprise the control apparatus (not shown) in the above-mentioned controller 14, be used for after receiving the current potential conditioning signal, the size of the analog signals that the electric potential signal output unit is produced is done the increase of preset step-length or is reduced.This controller 14 can be programmable logic controller (PLC), can pass through the total wire joint of CAN with control unit of engine.
Fig. 4 is the component part scheme drawing according to the machine that comprises driving engine of the utility model embodiment.As shown in Figure 4, this machine 30 that comprises driving engine also comprises the control system 31 and the driving engine 32 of the engine throttle of present embodiment, and particularly, this machine can be an engineering truck.
Fig. 5 is the scheme drawing according to a kind of concrete principle of work of the control system of the engine throttle of present embodiment.
Four road signals as shown in Figure 5 are specific as follows:
Accelerator pedal signal: through foot-operated control, output provides the analog signals of 0.5V～4.5V linear change.
The potentiometer signal manually is set: can insert the operating voltage of 5V at the potentiometer of certain angle scope rotation change, output provides the analog signals of 0.5V～4.5V linear change.
The point driving switch signal: a termination is gone into the 24V power supply, the DI entrance point of another termination PLC control, and by a switch, the PLC controller receives one time 0/1 switching value signal that changes.
This control system can be that the rotating speed of driving engine provides three kinds pattern is set according to difference lifting demand, and is specific as follows:
Pattern one:
Foot-operated control:
When " foot-operated, manual change-over switch " when choosing " riding " position; Das Gaspedal meta signal is 0.5V, and the foot pedals opening is exported the analog signal of 0.5V～4.5V from small to large and given the PLC controller from small to large; A/D converts 1～1024 digital signal into through the PLC controller; Through the CAN2.0B of CAN bus, follow SAE J1939 agreement, send control unit of engine ECU to; Through exporting to the driving engine actuating unit after the processing of Engine ECU internal processor, the control engine speed changes from the idling to the maximum speed.
Pattern two:
When " foot-operated, manual change-over switch " when choosing " manually " position; Potentiometer meta signal is 0.5V, and manually rotating potentiometer is exported from the analog signal of 0.5V～4.5V and given the PLC controller; A/D converts 1～1024 digital signal into through the PLC controller; Through the CAN2.0B of CAN bus, follow SAE J1939 agreement, send the Engine ECU control unit to; Through exporting to the driving engine actuating unit after the processing of Engine ECU internal processor, the control engine speed changes from the idling to the maximum speed.On-the-spot according to lifting needs, first start the engine, it is fixed artificially potentiometer to be rotated to the rotating speed of driving engine actual needs again, and driving engine can move by the rotating speed that is provided with when operation always.
Pattern three:
When " foot-operated, manual change-over switch " when choosing " manually " position, utilizes the potentiometer engine speed to be set to fixed rotating speed, when lifting operation; If desired engine speed is finely tuned; The operation point driving switch is passed to the PLC controller with signal, after the PLC controller receives the point driving switch signal; Can increase or reduce engine speed by pre-designed numerical value automatically, up to practical requirement.
Technical scheme according to the utility model; Employing comprises the control system of the engine throttle of Das Gaspedal system and control unit of engine, manual operation system and controller, utilizes this manual operation system, can a constant analog quantity be provided through manual regulation; Be used for controlling the rotating speed of driving engine; Can also further regulate this analog quantity by preset step-length, thereby need not continue firmly to trample Das Gaspedal, provide under the operating mode of constant accelerator open degree at needs thereby solved in the prior art; The mode of engine throttle makes driver fatigue easily; And, reduced working strength, and then improved the control accuracy of engine speed and the probability that has reduced maloperation to the accurate inadequately problem of the control of engine speed.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. the control system of an engine throttle comprises Das Gaspedal system and control unit of engine, it is characterized in that, said control system also comprises manual operation system and controller, wherein:
Said manual operation system is connected with said controller; Be used to accept peripheral operation and corresponding analog signals is provided when receiving peripheral operation, the variation range of said analog signals is identical with the variation range of the analog signals that said Das Gaspedal system is exported;
Said controller is connected with said control unit of engine; Be used for converting the analog signals that said manual operation system provides to digital quantity signal that said control unit of engine is used for controlling driving engine, then this digital quantity signal sent to said control unit of engine.
2. control system according to claim 1 is characterized in that,
Said control system also comprises switched system, is connected with said controller, is used to accept peripheral operation and when receiving peripheral operation, sends and corresponding first enable signal of this peripheral operation or second enable signal to said controller;
Comprise treater in the said controller; This treater is used for when receiving said first enable signal, making said controller to handle the signal that said Das Gaspedal system sends, and when receiving said second enable signal, makes said controller handle the signal that said manual operation system is sent.
3. control system according to claim 1; It is characterized in that; Comprise the electric potential signal output unit in the said manual operation system, the analog signals that produces corresponding to this peripheral operation when this electric potential signal output unit is used for receiving peripheral operation according to said manual operation system sends to said controller then.
4. control system according to claim 3 is characterized in that, comprises potentiometer in the said electric potential signal output unit.
5. control system according to claim 3 is characterized in that, also comprises in the said manual operation system:
Current potential conditioning signal output unit is used for after receiving peripheral operation, the current potential conditioning signal being sent to said controller;
Comprise control apparatus in the said controller, be used for after receiving said current potential conditioning signal, the size of the analog signals that said electric potential signal output unit is produced is done the increase of preset step-length or is reduced.
6. control system according to claim 5 is characterized in that, comprises button in the said current potential conditioning signal output unit, is used to accept said peripheral operation.
7. according to each described control system in the claim 1 to 6, it is characterized in that said controller and said control unit of engine are through the total wire joint of CAN.
8. according to each described control system in the claim 1 to 6, it is characterized in that said controller is a programmable logic controller (PLC).
9. a machine that comprises driving engine is characterized in that, said machine also comprises the control system of each described engine throttle in the claim 1 to 8.
10. machine according to claim 9 is characterized in that, said machine is an engineering truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204676405U CN202319917U (en) | 2011-11-22 | 2011-11-22 | Control system for engine accelerator and machine comprising engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204676405U CN202319917U (en) | 2011-11-22 | 2011-11-22 | Control system for engine accelerator and machine comprising engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202319917U true CN202319917U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204676405U Expired - Fee Related CN202319917U (en) | 2011-11-22 | 2011-11-22 | Control system for engine accelerator and machine comprising engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202319917U (en) |
Cited By (5)
| 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 |
| CN109751134A (en) * | 2018-12-24 | 2019-05-14 | 中国北方车辆研究所 | A kind of amphibious twin-engined remote accelerator control methods |
| CN110925108A (en) * | 2019-12-11 | 2020-03-27 | 中联重科股份有限公司 | Method and system for controlling rotating speed of engine |
| CN111691354A (en) * | 2020-06-18 | 2020-09-22 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Snow sweeper control method |
| CN113864070A (en) * | 2021-10-15 | 2021-12-31 | 潍柴动力股份有限公司 | Rotating speed control method and device for marine engine |
-
2011
- 2011-11-22 CN CN2011204676405U patent/CN202319917U/en not_active Expired - Fee Related
Cited By (7)
| 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 |
| CN109751134A (en) * | 2018-12-24 | 2019-05-14 | 中国北方车辆研究所 | A kind of amphibious twin-engined remote accelerator control methods |
| CN109751134B (en) * | 2018-12-24 | 2021-07-02 | 中国北方车辆研究所 | Amphibious dual-engine remote accelerator control method |
| CN110925108A (en) * | 2019-12-11 | 2020-03-27 | 中联重科股份有限公司 | Method and system for controlling rotating speed of engine |
| CN111691354A (en) * | 2020-06-18 | 2020-09-22 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Snow sweeper control method |
| CN113864070A (en) * | 2021-10-15 | 2021-12-31 | 潍柴动力股份有限公司 | Rotating speed control method and device for marine engine |
| CN113864070B (en) * | 2021-10-15 | 2023-08-18 | 潍柴动力股份有限公司 | Rotational speed control method and device of marine engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hunan ZOOMLION Crawler Crane Co., Ltd. Assignor: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Contract record no.: 2013990000373 Denomination of utility model: Control system for engine accelerator and machine comprising engine Granted publication date: 20120711 License type: Exclusive License Record date: 20130703 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20120711 Termination date: 20171122 |