CN110778439B - Anti-clamping stagnation system and method for diesel engine - Google Patents
Anti-clamping stagnation system and method for diesel engine Download PDFInfo
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- CN110778439B CN110778439B CN201910919423.6A CN201910919423A CN110778439B CN 110778439 B CN110778439 B CN 110778439B CN 201910919423 A CN201910919423 A CN 201910919423A CN 110778439 B CN110778439 B CN 110778439B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P11/00—Safety means for electric spark ignition, not otherwise provided for
- F02P11/02—Preventing damage to engines or engine-driven gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
- F02P3/05—Layout of circuits for control of the magnitude of the current in the ignition coil
Abstract
The invention discloses a system and a method for preventing a diesel engine from being stuck, wherein the system comprises a feedback module, a judgment module and an instantaneous current generation module; the feedback module is used for acquiring the actual running condition information data of the diesel engine system and sending the actual running condition information data to the judgment module; the judgment module is used for comparing the preset operation parameters of the diesel engine system with the actual operation condition information data thereof and judging whether the actual operation condition information data meets the threshold requirement or not; if the threshold requirement is not met, sending a trigger signal; the instantaneous current generation module is used for responding to the trigger signal to generate and apply an instantaneous large current to an actuator of the diesel engine system. The anti-jamming system of the diesel engine comprises a feedback module, a judgment module and an instantaneous current generation module, is applied to the diesel engine system, and solves the problem of jamming of the roller pump in a mode of applying instantaneous large current, so that the risk that the diesel engine system cannot be started due to the jamming of the roller pump of the electric oil transfer pump is reduced.
Description
Technical Field
The invention relates to the technical field of electromechanical control, in particular to a clamping stagnation prevention system and method for a diesel engine.
Background
A diesel engine, also referred to as a diesel engine for short, is an engine that achieves energy release by burning diesel. The diesel engine system comprises a diesel engine body, an electric oil delivery pump, a roller pump, an electrifying module, an actuator and the like. The electric oil pump is a device which can ensure that enough diesel oil self-igniting oil tanks are conveyed to an oil injection pump, and maintain a certain oil pressure to overcome the resistance of a pipeline and a fuel filter, so that the diesel oil circulates in a low-pressure pipeline. The roller pump is used for applying pressure to diesel oil in the electric oil transfer pump. The roller pump is a hydraulic element capable of pressurizing liquid and consists of double rows of rollers, a pump body and an eccentric shaft; the roller pump body is provided with a cylindrical cavity, the middle part of the cylindrical cavity is provided with an eccentric shaft, and two rows of cylindrical rollers are arranged between the load shaft and the pump body; due to the eccentricity of the shaft, the volumes of two rollers in the same row at different positions relative to the eccentric direction are different; the volume difference is matched with a corresponding port plate, so that the function of providing oil conveying pressure for the oil conveying pump can be achieved. In the prior art, dust in the roller pump accumulates particulate matters, aged viscous engine oil and other clamping stagnation matters to easily cause clamping stagnation, and the problems of insufficient oil supply, incapability of starting an engine or difficulty in starting the engine and the like frequently occur due to the clamping stagnation of the roller pump when the electric oil transfer pump is started, so that the service lives of the electric oil transfer pump and a diesel engine are influenced.
Disclosure of Invention
The invention aims to provide a system and a method for preventing clamping stagnation of a diesel engine. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to an aspect of an embodiment of the present invention, there is provided a diesel engine anti-seizure system including: the device comprises a feedback module, a judgment module and an instantaneous current generation module;
the feedback module is used for acquiring actual running state information data of the diesel engine system and sending the actual running state information data to the judgment module;
the judging module is used for comparing the preset operation parameters of the diesel engine system with the actual operation condition information data thereof and judging whether the actual operation condition information data meets the threshold requirement or not; if the threshold requirement is not met, sending a trigger signal;
the instantaneous current generation module is used for responding to the trigger signal to generate and apply an instantaneous large current to an actuator of the diesel engine system.
Further, the diesel engine anti-jamming system further comprises an alarm module, wherein the alarm module is used for responding to the trigger signal and sending out an alarm signal for reminding workers;
the instantaneous current generation module is used for responding to an actuating signal applied by the operator, generating an instantaneous large current and applying the instantaneous large current to the actuator.
Further, the alarm module comprises a processor, and a sound playing device and a flashing device which are respectively electrically connected with the processor, and the processor is electrically connected with the judgment module.
Further, the actual operation condition information data includes a pressure value in an electric fuel delivery pump of the diesel engine system and/or an actual rotation speed of the diesel engine system and/or a feedback current value of a driver of the diesel engine system.
Further, the feedback module comprises a pressure sensor and/or a rotating speed detection device and/or a current detection device, the pressure sensor is used for detecting a pressure value in an electric oil transfer pump of the diesel engine system, the rotating speed detection device is used for detecting the actual rotating speed of the diesel engine system, and the current detection device is used for detecting a feedback current value of a driver of the diesel engine system.
Further, the actuator comprises an electromagnetic actuator.
Further, the instantaneous current generation module comprises an instantaneous current generation circuit.
According to another aspect of the embodiments of the present invention, there is provided an anti-stuck diesel engine system, including: a diesel engine block, an electric fuel delivery pump, a roller pump, an electrifying module, an actuator and the diesel anti-sticking system of any one of claims 1 to 7;
the power-on module is used for inputting current to the actuator;
the actuator is used for controlling the roller pump to operate;
the roller pump is used for pressurizing diesel oil in the electric oil delivery pump;
the electric fuel delivery pump is used for delivering diesel to the diesel engine body.
According to another aspect of the embodiments of the present invention, there is provided a method for preventing a diesel engine from being stuck, which is implemented by the system for preventing the diesel engine from being stuck, and comprises the following steps:
the feedback module collects the actual running state information data of the diesel engine system and sends the actual running state information data to the judgment module;
the judgment module compares preset operation parameters of the diesel engine system with actual operation condition information data thereof, and judges whether the actual operation condition information data meets the threshold requirement; if the threshold requirement is not met, sending a trigger signal;
the instantaneous current generation module generates an instantaneous large current in response to the trigger signal and applies the instantaneous large current to the actuator.
Further, the method further comprises: the alarm module responds to the trigger signal to send out an alarm signal for reminding a worker;
the instantaneous current generation module generates and applies an instantaneous high current to the actuator in response to an activation signal applied by the operator.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the anti-jamming system of the diesel engine comprises a feedback module, a judging module and an instantaneous current generating module, is applied to a diesel engine system, and solves the problem of jamming of the roller pump in a mode of applying instantaneous large current, so that the risk that the diesel engine system cannot be started due to the jamming of the roller pump of the electric oil transfer pump is reduced, the starting reliability of the diesel engine system is improved, the problem that the diesel engine system cannot be started is reduced, and the working efficiency is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a diesel anti-sticking system according to a first embodiment of the present application;
FIG. 2 is a flow chart of a method for preventing jamming of a diesel engine according to a first embodiment of the present application;
fig. 3 is a block diagram of a system of a jamming prevention diesel engine according to a second embodiment of the present application;
FIG. 4 is a flowchart of a method for preventing a diesel engine system from being stuck according to a second embodiment of the present application
FIG. 5 is a schematic diagram of the relationship between current and time in the calibratable anti-sticking mode, wherein I1 represents the current value in the normal current start mode, and t1 represents the stop time point of applying the instantaneous large current;
FIG. 6 is a graph of current versus time for a normal current start mode.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example one
As shown in fig. 1, an embodiment of the present application provides a diesel anti-sticking system, which includes a feedback module 60, a determination module 70, and an instantaneous current generation module 80; this diesel engine anti-sticking stagnation system is applied to the diesel engine system, the diesel engine system includes: the diesel engine includes a diesel engine body 10, an electric fuel delivery pump 20, a roller pump 30, an upper power module 40, and an actuator 50.
The power-up module 40 is used for inputting current to the actuator 50;
the actuator 50 is used for controlling the roller pump 30 to operate;
the roller pump 30 is used for pressurizing diesel oil in the electric fuel delivery pump 20;
the electric fuel delivery pump 20 is used for delivering diesel to the diesel engine body 10;
the feedback module 60 is configured to collect actual operation status information data of the diesel engine system and send the actual operation status information data to the determining module 70;
the judging module 70 is configured to compare preset operating parameters of the diesel engine system with actual operating condition information data thereof, and judge whether the actual operating condition information data meets a threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent;
the instantaneous current generation module 80 is configured to generate an instantaneous large current in response to the trigger signal and apply the instantaneous large current to the actuator 50, so that the actuator 50 increases the operation speed of the roller pump 30 in a short time, and the roller pump 30 is subjected to a force greater than a static friction force generated by a stuck object, and is accelerated to operate so as to remove the stuck object, so that the pressure applied by the roller pump 30 to the diesel oil in the electric fuel delivery pump 20 is increased, the diesel oil input amount of the electric fuel delivery pump 20 to the diesel engine body 10 is increased, and the operation speed of the diesel engine body 10 is increased.
Referring to fig. 2, the embodiment further provides a method 010 for preventing a diesel engine from being stuck, which is applied to a diesel engine system, and the method 010 includes the following steps:
s011, the feedback module 60 collects actual operation status information data of the diesel engine system and sends the actual operation status information data to the judgment module 70;
s012, comparing the preset operation parameters of the diesel engine system with the actual operation condition information data by the judgment module 70, and judging whether the actual operation condition information data meet the threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent; the threshold value is a preset value;
s013, the instantaneous current generation module 80 generates an instantaneous large current in response to the trigger signal and applies the instantaneous large current to the actuator 50, so that the actuator 50 increases the operation speed of the roller pump 30 in a short time, the roller pump 30 is subjected to a force greater than a static friction force generated by a stuck object, the operation is accelerated to remove the stuck object, the pressure applied by the roller pump 30 to the diesel oil in the electric fuel pump 20 is increased, the diesel oil input amount of the electric fuel pump 20 to the diesel engine body 10 is increased, and the operation speed of the diesel engine body 10 is increased.
The actual operation condition information data of the diesel engine system includes a pressure value in the electric fuel delivery pump 20 and/or an actual rotation speed of the diesel engine body 10 and/or a feedback current value of a driver of the diesel engine body 10.
The feedback module 60 comprises a pressure sensor for detecting a pressure value inside the electric fuel delivery pump 20, preferably a Senssa 30CP42 pressure sensor, and/or a rotation speed detection device and/or a current detection device; the rotation speed detection means is for detecting the actual rotation speed of the diesel engine body 10, and for example, a sensor or the like for detecting the rotation speed may be employed; the current detection device is used to detect a feedback current value of the actuator of the diesel engine body 10, and for example, a sensor or the like for detecting a current may be used.
The preset operation parameters of the diesel engine system comprise a preset pressure value in the electric fuel delivery pump 20 and/or a preset rotating speed of the diesel engine body 10 and/or a preset current value of a driver of the diesel engine body 10.
Example two
As shown in fig. 3, the embodiment provides an anti-jamming diesel engine system, which includes a diesel engine system and a diesel engine anti-jamming system; the diesel engine system comprises a diesel engine body 10, an electric fuel delivery pump 20, a roller pump 30, an electrifying module 40 and an actuator 50; the diesel engine anti-clamping stagnation system comprises a feedback module 60, a judgment module 70 and an instantaneous current generation module 80;
the power-up module 40 is used for inputting current to the actuator 50;
the actuator 50 is used for controlling the roller pump 30 to operate;
the roller pump 30 is used for pressurizing diesel oil in the electric fuel delivery pump 20;
the electric fuel delivery pump 20 is used for delivering diesel to the diesel engine body 10;
the feedback module 60 is configured to collect actual operation status information data of the diesel engine system and send the actual operation status information data to the determining module 70;
the judging module 70 is configured to compare preset operating parameters of the diesel engine system with actual operating condition information data thereof, and judge whether the actual operating condition information data meets a threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent;
the instantaneous current generation module 80 is configured to generate an instantaneous large current in response to the trigger signal and apply the instantaneous large current to the actuator 50, so that the actuator 50 increases the operation speed of the roller pump 30 in a short time, and the roller pump 30 is subjected to a force greater than a static friction force generated by a stuck object, and is accelerated to operate so as to remove the stuck object, so that the pressure applied by the roller pump 30 to the diesel oil in the electric fuel delivery pump 20 is increased, the diesel oil input amount of the electric fuel delivery pump 20 to the diesel engine body 10 is increased, and the operation speed of the diesel engine body 10 is increased. The instantaneous large current is a short-time large current, the duration time of the short-time large current can be set according to actual needs, and the duration time is preferably 1-5 seconds.
The actuator 50 is preferably an electromagnetic actuator 50.
The transient current generation module 80 includes a transient current generation circuit.
Referring to fig. 4, the present embodiment further provides an anti-jamming method 100 for an anti-jamming diesel engine system, including the following steps:
s101, the electrifying module 40 inputs current to the actuator 50;
s102, the actuator 50 controls the roller pump 30 to operate;
s103, pressurizing the diesel oil in the electric oil transfer pump 20 by the roller pump 30;
s104, inputting diesel oil into the diesel engine body 10 by the electric oil transfer pump 20;
s105, the feedback module 60 collects the actual running state information data of the diesel engine system and sends the actual running state information data to the judgment module 70;
s106, the judging module 70 compares the preset operation parameters of the diesel engine system with the actual operation condition information data thereof, and judges whether the actual operation condition information data meets the threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent;
s107, the instantaneous current generating module 80 generates an instantaneous large current in response to the trigger signal and applies the instantaneous large current to the actuator 50, so that the actuator 50 increases the operating speed of the roller pump 30 in a short time, and the roller pump 30 is subjected to a force greater than a static friction force generated by a stuck object, and is accelerated to operate so as to remove the stuck object, so that the pressure applied by the roller pump 30 to the diesel oil in the electric fuel delivery pump 20 is increased, thereby increasing the diesel oil input amount of the electric fuel delivery pump 20 to the diesel engine body 10, and increasing the operating speed of the diesel engine body 10.
The actual operation condition information data of the diesel engine system includes a pressure value in the electric fuel delivery pump 20 and/or an actual rotation speed of the diesel engine body 10 and/or a feedback current value of a driver of the diesel engine body 10.
The feedback module 60 comprises a pressure sensor for detecting a pressure value inside the electric fuel delivery pump 20, preferably a Senssa 30CP42 pressure sensor, and/or a rotation speed detection device and/or a current detection device; the rotation speed detection means is for detecting the actual rotation speed of the diesel engine body 10, and for example, a sensor or the like for detecting the rotation speed may be employed; the current detection device is used to detect a feedback current value of the actuator of the diesel engine body 10, and for example, a sensor or the like for detecting a current may be used.
The preset operation parameters of the diesel engine system comprise a preset pressure value in the electric fuel delivery pump 20 and/or a preset rotating speed of the diesel engine body 10 and/or a preset current value of a driver of the diesel engine body 10.
EXAMPLE III
The embodiment provides a diesel engine anti-jamming system, which comprises a feedback module 60, a judgment module 70, an alarm module 90 and an instantaneous current generation module 80; this diesel engine anti-sticking stagnation system is used for the diesel engine system, the diesel engine system includes: the diesel engine includes a diesel engine body 10, an electric fuel delivery pump 20, a roller pump 30, an upper power module 40, and an actuator 50.
The power-up module 40 is used for inputting current to the actuator 50;
the actuator 50 is used for controlling the roller pump 30 to operate;
the roller pump 30 is used for pressurizing diesel oil in the electric fuel delivery pump 20;
the electric fuel delivery pump 20 is used for delivering diesel to the diesel engine body 10;
the feedback module 60 is configured to collect actual operation status information data of the diesel engine system and send the actual operation status information data to the determining module 70;
the judging module 70 is configured to compare preset operating parameters of the diesel engine system with actual operating condition information data thereof, and judge whether the actual operating condition information data meets a threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent, and the diesel engine system is started in a common current starting mode, which is shown in fig. 6;
the alarm module 90 is used for responding to the trigger signal and sending out an alarm signal, and the alarm signal is used for reminding a worker to take corresponding measures; if the staff decides to start the instantaneous current generation module 80, a start signal is applied to the instantaneous current generation module 80, otherwise, no start signal is applied;
the instantaneous current generation module 80 is used for responding to an activation signal applied to the instantaneous current generation module 80 by the operator, generating an instantaneous large current and applying the instantaneous large current to the actuator 50, enabling the actuator 50 to increase the running speed of the roller pump 30 in a short time, enabling the roller pump 30 to increase the pressure applied to the diesel oil in the electric fuel delivery pump 20, and increasing the diesel oil input amount of the electric fuel delivery pump 20 to the diesel engine body 10, so that the running speed of the diesel engine body 10 is increased;
the judging module 70 is further configured to send a stop signal to the alarm module 90 when the alarm module 90 sends an alarm signal and when the actual operating condition information data meets the threshold requirement;
the alarm module 90 is further configured to stop issuing an alarm signal in response to the stop signal.
Fig. 5 is a schematic diagram showing a start-up mode after applying a transient large current to the actuator 50, wherein the transient large current is formed after applying the transient large current for about 30 s.
The embodiment also provides a method 20 for preventing the clamping stagnation of the diesel engine, which comprises the following steps:
s21, the feedback module 60 collects the actual operation status information data of the diesel engine system and sends the actual operation status information data to the judgment module 70;
s22, the determining module 70 compares the preset operation parameters of the diesel engine system with the actual operation status information data thereof, and determines whether the actual operation status information data meets the threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent;
s23, the alarm module 90 responds to the trigger signal to send out an alarm signal so as to remind a worker to take corresponding measures; if the staff decides to start the instantaneous current generation module 80, a start signal is applied to the instantaneous current generation module 80, otherwise, no start signal is applied;
s24, the instantaneous current generation module 80 responds to the start signal applied to the instantaneous current generation module 80 by the operator, generates an instantaneous large current and applies the instantaneous large current to the actuator 50, so that the actuator 50 increases the operation speed of the roller pump 30 in a short time, the roller pump 30 increases the pressure applied to the diesel oil in the electric fuel pump 20, the diesel oil input amount of the electric fuel pump 20 to the diesel engine body 10 is increased, and the operation speed of the diesel engine body 10 is increased;
s25, the determining module 70 sends a stop signal to the alarm module 90 when the alarm module 90 sends an alarm signal and when the actual operation status information data meets the threshold requirement;
s26, the alarm module 90 stops issuing an alarm signal in response to the stop signal.
The actual operation condition information data of the diesel engine system includes a pressure value in the electric fuel delivery pump 20 and/or an actual rotation speed of the diesel engine body 10 and/or a feedback current value of a driver of the diesel engine body 10.
The feedback module 60 comprises a pressure sensor for detecting a pressure value inside the electric fuel delivery pump 20, preferably a Senssa 30CP42 pressure sensor, and/or a rotation speed detection device and/or a current detection device; the rotation speed detection means is for detecting the actual rotation speed of the diesel engine body 10, and for example, a sensor or the like for detecting the rotation speed may be employed; the current detection device is used to detect a feedback current value of the actuator of the diesel engine body 10, and for example, a sensor or the like for detecting a current may be used.
The preset operation parameters of the diesel engine system comprise a preset pressure value in the electric fuel delivery pump 20 and/or a preset rotating speed of the diesel engine body 10 and/or a preset current value of a driver of the diesel engine body 10.
Example four
The embodiment provides an anti-clamping stagnation diesel engine system, which comprises a diesel engine system and a diesel engine anti-clamping stagnation system; the diesel engine system comprises a diesel engine body 10, an electric fuel delivery pump 20, a roller pump 30, an electrifying module 40 and an actuator 50; the diesel engine anti-jamming system comprises a feedback module 60, a judgment module 70, an alarm module 90 and an instantaneous current generation module 80;
the power-up module 40 is used for inputting current to the actuator 50;
the actuator 50 is used for controlling the roller pump 30 to operate;
the roller pump 30 is used for pressurizing diesel oil in the electric fuel delivery pump 20;
the electric fuel delivery pump 20 is used for delivering diesel to the diesel engine body 10;
the feedback module 60 is configured to collect actual operation status information data of the diesel engine system and send the actual operation status information data to the determining module 70;
the judging module 70 is configured to compare preset operating parameters of the diesel engine system with actual operating condition information data thereof, and judge whether the actual operating condition information data meets a threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent;
the alarm module 90 is used for responding to the trigger signal and sending out an alarm signal, and the alarm signal is used for reminding a worker to take corresponding measures; if the staff decides to start the instantaneous current generation module 80, a start signal is applied to the instantaneous current generation module 80, otherwise, no start signal is applied;
the instantaneous current generation module 80 is used for responding to an activation signal applied to the instantaneous current generation module 80 by the operator, generating an instantaneous large current and applying the instantaneous large current to the actuator 50, enabling the actuator 50 to increase the running speed of the roller pump 30 in a short time, enabling the roller pump 30 to increase the pressure applied to the diesel oil in the electric fuel delivery pump 20, and increasing the diesel oil input amount of the electric fuel delivery pump 20 to the diesel engine body 10, so that the running speed of the diesel engine body 10 is increased;
the judging module 70 is further configured to send a stop signal to the alarm module 90 when the alarm module 90 sends an alarm signal and when the actual operating condition information data meets the threshold requirement;
the alarm module 90 is further configured to stop issuing an alarm signal in response to the stop signal.
The instantaneous large current is a short-time large current, and the duration time of the short-time large current can be set according to actual needs, preferably 25-35 seconds.
The actuator 50 is preferably an electromagnetic actuator 50.
The transient current generation module 80 includes a transient current generation circuit.
The embodiment also provides an anti-jamming method 200 for an anti-jamming diesel engine system, which comprises the following steps:
s201, the electrifying module 40 inputs current to the actuator 50;
s202, the actuator 50 controls the roller pump 30 to operate;
s203, the roller pump 30 pressurizes the diesel oil in the electric fuel delivery pump 20;
s204, the electric fuel delivery pump 20 delivers diesel fuel to the diesel engine body 10;
s205, the feedback module 60 collects the actual operation condition information data of the diesel engine system and sends the actual operation condition information data to the judgment module 70;
s206, the judging module 70 compares the preset operation parameters of the diesel engine system with the actual operation condition information data thereof, and judges whether the actual operation condition information data meets the threshold requirement; if the threshold requirement is not met, sending a trigger signal; if the threshold requirement is met, no trigger signal is sent;
s207, the alarm module 90 responds to the trigger signal to send out an alarm signal so as to remind a worker to take corresponding measures; if the staff decides to start the instantaneous current generation module 80, a start signal is applied to the instantaneous current generation module 80, otherwise, no start signal is applied;
s208, in response to the start signal applied to the instantaneous current generation module 80 by the operator, the instantaneous current generation module 80 generates an instantaneous large current and applies the instantaneous large current to the actuator 50, so that the actuator 50 increases the operation speed of the roller pump 30 in a short time, the roller pump 30 increases the pressure applied to the diesel oil in the electric fuel pump 20, and the diesel oil input amount of the electric fuel pump 20 to the diesel engine body 10 is increased, thereby increasing the operation speed of the diesel engine body 10;
s209, the determining module 70 sends a stop signal to the alarm module 90 when the alarm module 90 sends an alarm signal and when the actual operation status information data meets the threshold requirement;
s210, the alarm module 90 stops sending the alarm signal in response to the stop signal.
The actual operation condition information data of the diesel engine system includes a pressure value in the electric fuel delivery pump 20 and/or an actual rotation speed of the diesel engine body 10 and/or a feedback current value of a driver of the diesel engine body 10.
The feedback module 60 comprises a pressure sensor for detecting a pressure value inside the electric fuel delivery pump 20, preferably a Senssa 30CP42 pressure sensor, and/or a rotation speed detection device and/or a current detection device; the rotation speed detection means is for detecting the actual rotation speed of the diesel engine body 10, and for example, a sensor or the like for detecting the rotation speed may be employed; the current detection device is used to detect a feedback current value of the actuator of the diesel engine body 10, and for example, a sensor or the like for detecting a current may be used.
The preset operation parameters of the diesel engine system comprise a preset pressure value in the electric fuel delivery pump 20 and/or a preset rotating speed of the diesel engine body 10 and/or a preset current value of a driver of the diesel engine body 10.
Optionally, the alarm module 90 is an audible and visual alarm device, and includes a processor, and a buzzer and a flashlight electrically connected to the processor, respectively, and the processor is electrically connected to the determination module 70. The alarm signal is an acousto-optic alarm signal. The alarm module 90 issuing an alarm signal in response to the trigger signal includes: and the processor receives the trigger signal and then drives the buzzer to make a sound and drives the flash lamp to flicker, thereby sending out an acousto-optic alarm signal. The buzzer can be replaced by a sound playing device such as a loudspeaker. The flash may be replaced with an LED flash or with other flash devices.
According to the technical scheme, the risk that the diesel engine system cannot be started due to clamping stagnation of the roller pump of the electric oil transfer pump is reduced, the starting reliability of the diesel engine system is improved, the problem that the diesel engine system cannot be started is solved, the times of manual operation of a user in an engine compartment are reduced, the labor cost is reduced, and the working efficiency is improved.
It should be noted that:
the term "module" is not intended to be limited to a particular physical form. Depending on the particular application, a module may be implemented as hardware, firmware, software, and/or combinations thereof. Furthermore, different modules may share common components or even be implemented by the same component. There may or may not be clear boundaries between the various modules.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may be used with the teachings herein. The required structure for constructing such a device will be apparent from the description above. Moreover, the present invention is not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The various component embodiments of the invention may be implemented in hardware, or in software modules running on one or more processors, or in a combination thereof. Those skilled in the art will appreciate that a microprocessor or Digital Signal Processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in the creation apparatus of a virtual machine according to embodiments of the present invention. The present invention may also be embodied as apparatus or device programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website or provided on a carrier signal or in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. An anti-sticking system for a diesel engine, comprising: the device comprises a feedback module, a judgment module and an instantaneous current generation module;
the feedback module is used for acquiring actual running state information data of the diesel engine system and sending the actual running state information data to the judgment module;
the judging module is used for comparing the preset operation parameters of the diesel engine system with the actual operation condition information data thereof and judging whether the actual operation condition information data meets the threshold requirement or not; if the threshold requirement is not met, sending a trigger signal;
the instantaneous current generation module is used for responding to the trigger signal to generate and apply an instantaneous large current to an actuator of the diesel engine system so as to enable the actuator to increase the running speed of a roller pump of the diesel engine system;
the actual operation condition information data comprises a pressure value in an electric fuel delivery pump of the diesel engine system and/or an actual rotating speed of the diesel engine system and/or a feedback current value of a driver of the diesel engine system;
the feedback module comprises a pressure sensor and/or a rotating speed detection device and/or a current detection device, the pressure sensor is used for detecting a pressure value in an electric oil transfer pump of the diesel engine system, the rotating speed detection device is used for detecting the actual rotating speed of the diesel engine system, and the current detection device is used for detecting a feedback current value of a driver of the diesel engine system;
the preset operation parameters comprise a preset pressure value in the electric fuel delivery pump and/or a preset rotating speed of the diesel engine body and/or a preset current value of a driver of the diesel engine body.
2. The system of claim 1, wherein the diesel anti-sticking system further comprises an alarm module for issuing an alarm signal for alerting a worker in response to the trigger signal;
the instantaneous current generation module is used for responding to an actuating signal applied by the operator, generating an instantaneous large current and applying the instantaneous large current to the actuator.
3. The system of claim 2, wherein the alarm module comprises a processor and a sound playing device and a flashing device electrically connected to the processor, respectively, and the processor is electrically connected to the judgment module.
4. The system of claim 1, wherein the actuator comprises an electromagnetic actuator.
5. The system of claim 1, wherein the transient current generation module comprises a transient current generation circuit.
6. An anti-sticking diesel engine system, comprising: a diesel engine block, an electric fuel delivery pump, a roller pump, an electrifying module, an actuator and the diesel anti-sticking system of any one of claims 1 to 5;
the power-on module is used for inputting current to the actuator;
the actuator is used for controlling the roller pump to operate;
the roller pump is used for pressurizing diesel oil in the electric oil delivery pump;
the electric fuel delivery pump is used for delivering diesel to the diesel engine body.
7. A method for preventing the seizure of a diesel engine, which is performed by the system for preventing the seizure of a diesel engine according to any one of claims 1 to 6, comprising the steps of:
the feedback module collects the actual running state information data of the diesel engine system and sends the actual running state information data to the judgment module;
the judgment module compares preset operation parameters of the diesel engine system with actual operation condition information data thereof, and judges whether the actual operation condition information data meets the threshold requirement; if the threshold requirement is not met, sending a trigger signal;
the instantaneous current generation module responds to the trigger signal to generate and apply an instantaneous large current to the actuator so as to enable the actuator to increase the running speed of a roller pump of the diesel engine system;
the actual operation condition information data comprises a pressure value in an electric fuel delivery pump of the diesel engine system and/or an actual rotating speed of the diesel engine system and/or a feedback current value of a driver of the diesel engine system;
the feedback module comprises a pressure sensor and/or a rotating speed detection device and/or a current detection device, the pressure sensor is used for detecting a pressure value in an electric oil transfer pump of the diesel engine system, the rotating speed detection device is used for detecting the actual rotating speed of the diesel engine system, and the current detection device is used for detecting a feedback current value of a driver of the diesel engine system;
the preset operation parameters comprise a preset pressure value in the electric fuel delivery pump and/or a preset rotating speed of the diesel engine body and/or a preset current value of a driver of the diesel engine body.
8. The method of claim 7, further comprising: the alarm module responds to the trigger signal to send out an alarm signal for reminding a worker;
the instantaneous current generation module generates and applies an instantaneous high current to the actuator in response to an activation signal applied by the operator.
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| CN201910919423.6A CN110778439B (en) | 2019-09-26 | 2019-09-26 | Anti-clamping stagnation system and method for diesel engine |
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| CN201910919423.6A CN110778439B (en) | 2019-09-26 | 2019-09-26 | Anti-clamping stagnation system and method for diesel engine |
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| CN111520239A (en) * | 2020-03-31 | 2020-08-11 | 潍柴动力股份有限公司 | Control method and control device for low-pressure oil way of engine and low-pressure oil way system |
| CN113898508A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Control system and method for electric oil delivery pump of diesel engine |
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