CN103362665A - Crane and method and system for controlling flameout of engine - Google Patents
Crane and method and system for controlling flameout of engine Download PDFInfo
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- CN103362665A CN103362665A CN2013103333740A CN201310333374A CN103362665A CN 103362665 A CN103362665 A CN 103362665A CN 2013103333740 A CN2013103333740 A CN 2013103333740A CN 201310333374 A CN201310333374 A CN 201310333374A CN 103362665 A CN103362665 A CN 103362665A
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Abstract
The invention discloses a method for controlling flameout of an engine. The method comprises the following steps: S11, detecting whether the engine is in an idling condition and entering a step S12 if the engine is in the idling condition; S12, detecting whether a vehicle has an operation signal, entering a step S13 if the vehicle has the operation signal and entering a step S14 if the vehicle has no operation signal; S13, controlling the engine to be kept in the idling condition; and S14, controlling the flameout of the engine. When the method detects that the vehicle has the operation signal, no control is performed on the engine to flame out. Thus, other operations on the vehicle are considered when the engine is controlled to flame out; in order to guarantee the normality of the operations, the engine is controlled to be kept in the idling condition; and when no operation signal is available, the engine is controlled to flame out, so that long-term idling of the engine can be avoided, and normal operation of the vehicle is not affected. The invention also discloses a system for controlling flameout of the engine and a crane with the system.
Description
Technical field
The present invention relates to the engine control technical field, more particularly, relate to a kind of hoist, the flame-out method and system of control engine.
Background technique
Motor is one of main drive part of vehicle, and vehicle enters working state under the driving effect of motor, and behind the engine misses, vehicle will run out of steam, and then stop.The driver usually can transfer to neutral with speed changer when steering vehicle, make motor be in idling operation.
In the driving procedure of vehicle, because, often appearring for the standardization shortcoming understanding of Vehicle Driving Cycle in the driver, the engine long time is in idling operation.And motor is not only wasted a large amount of fuel oils when being in idling operation, also can cause motor larger wearing and tearing to occur, shortens the operating life of motor.In automotive field, in order to address the above problem, can hardware circuit be set in automobile, can control engine flame-out by this hardware circuit when engine stop travels, avoid the fuel oil waste and to the damage of motor.
Yet, because hardware circuit is by judging whether vehicle stops to come control engine flame-out, and under some occasion, need motor to keep idling operation, to carry out related commissioning, if adopt the state of hardware circuit control engine, above-mentioned debugging operations can't be realized, affect the normal running of vehicle.
In addition, above-mentioned hardware circuit is mainly used in automotive field, and in engineering mechanical device, because the circuit more complicated of equipment itself, if add hardware circuit, the circuit of equipment will be more complicated.
In sum, how to avoid engine long time idling, do not affect the normal running of vehicle simultaneously, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
The purpose of this invention is to provide the flame-out method of a kind of control engine, the method can be avoided engine long time idling, does not affect the normal running of vehicle simultaneously;
Another object of the present invention provides the flame-out system of a kind of control engine, and the hoist with this system.
To achieve these goals, the invention provides the flame-out method of a kind of control engine, may further comprise the steps:
Whether S11, detection motor are in idling operation, if so, enter step S12;
Whether S12, detection vehicle exist operation signal, if so, enter step S13, if not, enter step S14;
S13, the described motor of control keep idling operation;
S14, control described engine misses.
Preferably, in said method, described step S14 specifically comprises:
The detected state endurance, described state duration is that described motor is in idling operation, and there is not the endurance of operation signal in described vehicle, whether judge described state duration greater than predefined value, if so, control described engine misses, if not, then enter step S13.
Preferably, in said method, among the described step S11, whether described detection motor is in idling operation specifically comprises:
Detect the rotating speed of motor, judge whether described rotating speed is positioned at the idling speed scope, if so, then described motor is in idling operation.
Preferably, in said method, further comprising the steps of before the described step S11:
Whether the flame-out control function of S10, detection motor is activated, and if so, enters step S11.
Based on technique scheme, in the method that control engine provided by the invention stops working, at first detect motor and whether be in idling operation, if so, detect again whether have operation signal on the vehicle, if, then control engine keeps idling operation, and if not, then control engine is flame-out.Said method needs also to judge whether vehicle exists operation signal after judging whether motor is in idling operation, when there was not operation signal in vehicle, just control engine was flame-out.Obviously, the content of introducing in the background technique, the method are can control engine when detecting automobile storage at operation signal flame-out.Therefore, the method has been considered other operations on the vehicle when control engine is flame-out, control engine keeps idling operation in order to guarantee normally carrying out of these operations, control engine misses when not having operation signal, can either avoid engine long time idling, also can not affect the normal running of vehicle.
The present invention also provides a kind of control engine flame-out system, comprising:
Whether the engine operating condition detection device is in idling operation for detection of motor;
The operation signal detection device is used for detecting vehicle and whether has operation signal when described motor is in idling operation;
Control gear, be used for being in idling operation at described motor, and described automobile storage is controlled described motor and is kept idling operation when operation signal, be in idling operation at described motor, and described vehicle is controlled described engine misses when not having operation signal.
Preferably, in said system, also comprise:
Timing device, for detection of state duration, described state duration is that described motor is in idling operation, and there is not the endurance of operation signal in described vehicle;
Time determination device is used for judging that whether described state duration is greater than predefined value;
Described control gear is controlled described engine misses at described state duration during greater than described predefined value, controls described motor and keep idling operation when described state duration is less than or equal to described predefined value.
Preferably, in said system, also comprise:
Whether function detection device is activated for detection of the flame-out control function of described motor;
When described engine operating condition detection device is activated in described flame-out control function, detects described motor and whether be in idling operation.
Preferably, in said system, described function detection device is arranged on the vehicle display, has on the described vehicle display to activate to select touch key-press.
Preferably, in said system, described engine operating condition detection device comprises:
The rotary speed tester structure is for detection of the rotating speed of described motor;
The rotating speed decision mechanism is used for judging whether described rotating speed is in the idling speed scope, and if so, then described motor is in idling operation.
Because the flame-out method of above-mentioned control engine has above-mentioned technique effect, the flame-out system of control engine that uses the method also should have corresponding technique effect, repeats no more herein.
The present invention also provides a kind of hoist, and the system that comprises motor and control described engine misses, described system are above-mentioned each described system.Because this system has above-mentioned technique effect, the hoist with this system also should have corresponding technique effect.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in the embodiment of the invention or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the method that the control engine that Fig. 1 provides for the embodiment of the invention is flame-out;
Another flow chart of the method that the control engine that Fig. 2 provides for the embodiment of the invention is flame-out;
The another flow chart of the method that the control engine that Fig. 3 provides for the embodiment of the invention is flame-out;
An again flow chart of the method that the control engine that Fig. 4 provides for the embodiment of the invention is flame-out;
The structured flowchart of the system that the control engine that Fig. 5 provides for the embodiment of the invention is flame-out;
Another structured flowchart of the system that the control engine that Fig. 6 provides for the embodiment of the invention is flame-out;
The another structured flowchart of the system that the control engine that Fig. 7 provides for the embodiment of the invention is flame-out;
The surface chart of the vehicle display that Fig. 8 provides for the embodiment of the invention;
The structured flowchart of the engine operating condition detection device that Fig. 9 provides for the embodiment of the invention.
Embodiment
Core of the present invention provides the flame-out method of a kind of control engine, and the method can be avoided engine long time idling, does not affect the normal running of vehicle simultaneously;
Another core of the present invention provides the flame-out system of a kind of control engine, and the hoist with this system.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technological scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment who obtains under the creative work prerequisite.
See also Fig. 1, the flow chart of the method that the control engine that Fig. 1 provides for the embodiment of the invention is flame-out.
The method that the control engine that the embodiment of the invention provides is flame-out may further comprise the steps:
Whether S100, detection motor are in idling operation, if so, enter step S111, if not, enter step S110;
Motor is in idling operation, refers to that speed changer is in neutral, and in specific implementation process, detecting motor, whether to be in the mode of idling operation many, such as the fuel injection quantity that detects motor, detect the state of throttle etc.
S110, finishing control;
Finishing control means that said method interrupts, and need not to carry out other operations; Certainly, the method can be with the predetermined period cycle detection, and then detects in real time the operating mode of motor, so that accurately control engine is flame-out.
Whether S111, detection vehicle exist operation signal, if so, enter step S120, if not, enter step S121;
The aforesaid operations signal mainly refers to, whether operator operate the component of other except motor on the vehicle, when having operation signal, mean that motor is in idling operation and unprovoked operator's carelessness, but on purpose make motor keep idling, such as debugging other component of vehicle etc.; When not having operation signal, mean that operator switch to idling mode with motor, and without other purposes, cause easily the problems such as fuel oil waste, engine damage under this kind state.
S120, control engine keep idling operation;
When having operation signal in the vehicle, for prevent vehicle that engine misses cause can't normal running etc. problem, control engine kept idling operation when there was operation signal in present embodiment in vehicle.
S121, control engine stop working.
Said method needs also to judge whether vehicle exists operation signal after judging whether motor is in idling operation, when there was not operation signal in vehicle, just control engine was flame-out.Obviously, the content of introducing in the background technique, the method are can control engine when detecting automobile storage at operation signal flame-out.Therefore, the method has been considered other operations on the vehicle when control engine is flame-out, control engine keeps idling operation in order to guarantee normally carrying out of these operations, control engine misses when not having operation signal, can either avoid engine long time idling, also can not affect the normal running of vehicle.
In addition, said method is realized by logic judgement, logical operation etc., need not the peripheral hardware All other routes, so the method not only is applicable to automobile, the flame-out of the motor of engineering mechanical device can also be applicable to the comparatively complicated engineering mechanical device of circuit, so that also can be controlled automatically.
See also Fig. 2, another flow chart of the method that the control engine that Fig. 2 provides for the embodiment of the invention is flame-out.
In another embodiment, said method can may further comprise the steps:
Whether S200, detection motor are in idling operation, if so, enter step S211, if not, enter step S210;
S210, finishing control;
Whether S211, detection vehicle exist operation signal, if so, enter step S220, if not, enter step S221;
S220, control engine keep idling operation;
S221, detected state endurance t, this state duration t are that motor is in idling operation, and there is not the endurance of operation signal in vehicle;
When motor is in idling operation, and vehicle does not exist the endurance of operation signal shorter, be that this kind state only is motor short time idling, if control engine is flame-out, operator need to restart motor so, and the inconvenience that this operation causes is compared with the loss that engine idle brings, and is more unfavorable to operator, therefore need to detect above-mentioned state t perdurabgility, to be adjusted accordingly.
S230, judge that whether state duration t is greater than predefined value t
0, if so, enter step S240, if not, enter step S220;
Above-mentioned predefined value t
0Definite process be roughly: when at first estimated engine is in idling operation and vehicle and does not have operation signal, the loss that motor brings when keeping idling operation, then will lose with engine misses after restart the inconvenience that causes and compare, when both reached balance, the time that engine idle and vehicle do not exist operation signal to continue was t
0
S240, control engine stop working.
Be appreciated that ground, when state duration t greater than predefined value t
0The time, namely control engine is flame-out, the loss that is caused to reduce engine long time idling.
See also Fig. 3, the another flow chart of the method that the control engine that Fig. 3 provides for the embodiment of the invention is flame-out.
In one embodiment, the method that provides of the embodiment of the invention can may further comprise the steps:
The rotating speed of S300, detection motor;
S310, judge whether above-mentioned rotating speed is positioned at the idling speed scope, if so, judge that then motor is in idling operation, enter step S321, if not, judge that then motor is not in idling operation, enter step S320;
Whether be positioned at the idling speed scope by the rotating speed that detects motor, judge whether motor is in idling operation, judge than other modes of employing whether motor is in idling operation, more simple, direct and accurate.
S320, finishing control;
Whether S321, detection vehicle exist operation signal, if so, enter step S330, if not, enter step S331;
S330, control engine keep idling operation;
S331, detected state endurance t;
S340, judge that whether state duration t is greater than predefined value t
0, if so, enter step S350, if not, enter step S330;
S350, control engine stop working.
As shown in Figure 4, an again flow chart of the flame-out method of the control engine that provides for the embodiment of the invention of Fig. 4.
For the flexibility and the hommization that improve said method, the method that the embodiment of the invention provides can may further comprise the steps:
Whether the flame-out control function of S400, detection motor is activated, and if so, enters step S410, if not, enters step S430;
When the flame-out control function of motor is activated, represent that namely operator need to enable the method that the embodiment of the invention provides, if should flame-out control function not be activated, represent that then operator do not need automatically controlled engine flame-out, but the mode that adopts manual control engine misses or motor to need not to stop working.Therefore, this step allows operator to select according to different use occasions.
The rotating speed of S410, detection motor;
S420, judge whether above-mentioned rotating speed is positioned at the idling speed scope, if so, judge that then motor is in idling operation, enter step S431, if not, judge that then motor is not in idling operation, enter step S430;
S430, finishing control;
Whether S431, detection vehicle exist operation signal, if so, enter step S440, if not, enter step S441;
S440, control engine keep idling operation;
S441, detected state endurance t;
S450, judge that whether state duration t is greater than predefined value t
0, if so, enter step S460, if not, enter step S440;
S460, control engine stop working.
The below describes the flame-out system of control engine that the embodiment of the invention provides, and system described below is corresponding with the method that above-described control engine stops working, but both cross-references.
See also Fig. 5, the structured flowchart of the system that the control engine that Fig. 5 provides for the embodiment of the invention is flame-out.
The system applies said method that the control engine that the embodiment of the invention provides is flame-out, this system comprises:
Whether engine operating condition detection device 100 is in idling operation for detection of motor;
Operation signal detection device 200 is used for detecting vehicle and whether has operation signal when motor is in idling operation;
In the said system, engine operating condition detection device 100 can detect motor and whether be in idling operation, and can detecting vehicle when motor is in idling operation, operation signal detection device 200 whether has operation signal, control gear 300 is in idling operation at motor, and automobile storage control engine when operation signal keeps idling operation, and be in idling operation at motor, and vehicle control engine misses when not having operation signal.This system not only detects motor and whether is in idling operation when control engine is flame-out, needs also to judge whether vehicle exists operation signal, and when there was not operation signal in vehicle, just control engine was flame-out.Obviously, the content of introducing in the background technique, this system are can control engine when detecting automobile storage at operation signal flame-out.Therefore, this system has considered other operations on the vehicle when control engine is flame-out, control engine keeps idling operation in order to guarantee normally carrying out of these operations, control engine misses when not having operation signal, can either avoid engine long time idling, also can not affect the normal running of vehicle.
As shown in Figure 6, another structured flowchart of the flame-out system of the control engine that provides for the embodiment of the invention of Fig. 6.
In order to improve the control accuracy of said system, this system also comprises:
Under the effect of above-mentioned timing device 400 and time determination device 500, the system that the embodiment of the invention provides can know accurately that motor is in idling operation and vehicle and does not have operation signal duration, and then exceeds predefined value t at state duration t
0The time, control engine is flame-out, and does not exceed predefined value t
0The time, then control engine keeps idling mode, and then achieves the above object.
As shown in Figure 7, the another structured flowchart of the flame-out system of the control engine that provides for the embodiment of the invention of Fig. 7.
In the preferred technological scheme, the system that the embodiment of the invention provides also comprises:
Whether function detection device 600 is activated for detection of the flame-out control function of motor;
When engine operating condition detection device 100 is activated in above-mentioned flame-out control function, detects motor and whether be in idling operation, when above-mentioned flame-out control function is not activated, finishing control then.
During implementation, function detection device 600 can link to each other with the flame-out control function button on the vehicle, and when button was pressed, flame-out control function namely was activated, and when button was upspring, flame-out control function was not activated.Certainly, the structure that whether the flame-out control of detection function is activated in the function detection device 600 is a lot, and this paper does not limit this.
In another embodiment, above-mentioned functions detection device 600 can be arranged on the vehicle display 700, has on this vehicle display 700 to activate to select touch key-press.The interface of this vehicle display 700 as shown in Figure 8, eject dialog box on the vehicle display 700, whether alert activates flame-out control function, the below, interface of vehicle display 700 has "Yes" and these two of "No" activate the selection touch key-press, and operator select corresponding button to get final product.This kind structure is the easy-to-operat personnel operation not only, also is convenient to the operation of function detection device 600.Certainly, the interfacial structure of vehicle display 700 can also be other forms.
In the preferred technological scheme, the structure of the engine operating condition detection device 100 that the embodiment of the invention provides as shown in Figure 9, it specifically comprises:
Rotary speed tester structure 110 is for detection of the rotating speed of motor;
Rotating speed decision mechanism 120 is used for judging whether above-mentioned rotating speed is in the idling speed scope, if so, judges that then motor is in idling operation.
Above-mentioned engine operating condition detection device 100 detects motor by rotary speed tester structure 110 and rotating speed decision mechanism 120 and whether is in idling operation, and its testing process is relatively simple, direct and accurate.
Above-mentioned engine operating condition detection device 100, operation signal detection device 200, control gear 300, timing device 400, time determination device 500 and function detection device 600 that the embodiment of the invention provides can all be integrated in the vehicle control device, so that the circuit setting is convenient in operator's operation simultaneously.Certainly, above-mentioned each device can also be integrated in other positions, and for example in the vehicle display 700, its specific constructive form is not subjected to the restriction of this paper.
The hoist that the embodiment of the invention provides, the system that comprises motor and control these engine misses, this system are the described system of above-mentioned arbitrary scheme.Because this system has above-mentioned technique effect, the hoist with this system also should have corresponding technique effect, repeats no more herein.
More than the flame-out method and system of hoist provided by the present invention, control engine are described in detail.Used specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. the method that control engine is flame-out is characterized in that, may further comprise the steps:
Whether S11, detection motor are in idling operation, if so, enter step S12;
Whether S12, detection vehicle exist operation signal, if so, enter step S13, if not, enter step S14;
S13, the described motor of control keep idling operation;
S14, control described engine misses.
2. method according to claim 1 is characterized in that, described step S14 specifically comprises:
The detected state endurance, described state duration is that described motor is in idling operation, and there is not the endurance of operation signal in described vehicle, whether judge described state duration greater than predefined value, if so, control described engine misses, if not, then enter step S13.
3. method according to claim 2 is characterized in that, among the described step S11, whether described detection motor is in idling operation specifically comprises:
Detect the rotating speed of motor, judge whether described rotating speed is positioned at the idling speed scope, if so, then described motor is in idling operation.
4. each described method is characterized in that according to claim 1-3, and is further comprising the steps of before the described step S11:
Whether the flame-out control function of S10, detection motor is activated, and if so, enters step S11.
5. the system that control engine is flame-out is characterized in that, comprising:
Whether the engine operating condition detection device is in idling operation for detection of motor;
The operation signal detection device is used for detecting vehicle and whether has operation signal when described motor is in idling operation;
Control gear, be used for being in idling operation at described motor, and described automobile storage is controlled described motor and is kept idling operation when operation signal, be in idling operation at described motor, and described vehicle is controlled described engine misses when not having operation signal.
6. system according to claim 5 is characterized in that, also comprises:
Timing device, for detection of state duration, described state duration is that described motor is in idling operation, and there is not the endurance of operation signal in described vehicle;
Time determination device is used for judging that whether described state duration is greater than predefined value;
Described control gear is controlled described engine misses at described state duration during greater than described predefined value, controls described motor and keep idling operation when described state duration is less than or equal to described predefined value.
7. system according to claim 6 is characterized in that, also comprises:
Whether function detection device is activated for detection of the flame-out control function of described motor;
When described engine operating condition detection device is activated in described flame-out control function, detects described motor and whether be in idling operation.
8. system according to claim 7 is characterized in that, described function detection device is arranged on the vehicle display, has on the described vehicle display to activate to select touch key-press.
9. each described system is characterized in that according to claim 5-8, and described engine operating condition detection device comprises:
The rotary speed tester structure is for detection of the rotating speed of described motor;
The rotating speed decision mechanism is used for judging whether described rotating speed is in the idling speed scope, and if so, then described motor is in idling operation.
10. hoist, the system that comprises motor and control described engine misses is characterized in that, described system is such as each described system among the claim 5-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103333740A CN103362665A (en) | 2013-08-01 | 2013-08-01 | Crane and method and system for controlling flameout of engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103333740A CN103362665A (en) | 2013-08-01 | 2013-08-01 | Crane and method and system for controlling flameout of engine |
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| CN2013103333740A Pending CN103362665A (en) | 2013-08-01 | 2013-08-01 | Crane and method and system for controlling flameout of engine |
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Cited By (3)
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| CN106640393A (en) * | 2016-12-29 | 2017-05-10 | 浙江三装备有限公司 | Idling-stop system, method and device for crane |
| CN108357358A (en) * | 2018-01-12 | 2018-08-03 | 杭叉集团股份有限公司 | Long idling flameout control device and its control method |
| CN108583279A (en) * | 2018-04-02 | 2018-09-28 | 北汽福田汽车股份有限公司 | Flameout method, shutdown systems and the vehicle of vehicle |
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