CN114810401A - Diesel generator control system and diesel generator - Google Patents
Diesel generator control system and diesel generator Download PDFInfo
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- CN114810401A CN114810401A CN202210619917.4A CN202210619917A CN114810401A CN 114810401 A CN114810401 A CN 114810401A CN 202210619917 A CN202210619917 A CN 202210619917A CN 114810401 A CN114810401 A CN 114810401A
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3082—Control of electrical fuel pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
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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
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/228—Warning displays
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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
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/021—Engine temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention belongs to the technical field of generators, and particularly relates to a diesel generator control system and a diesel generator, wherein the diesel generator control system comprises: the diesel engine is connected with the generator and is suitable for driving the generator to generate electricity; the detection device is arranged on the diesel engine and is suitable for detecting parameter data of the diesel engine; the control module, control module with detection device and diesel engine electric connection, control module is suitable for according to the parameter data that detection device detected, the fuel injection quantity of control diesel engine oil pump controls, has realized the fuel injection quantity in the diesel engine to adjust the rotational speed of output shaft in the diesel engine, can make the operating temperature in the diesel engine realize adjusting through adjusting the rotational speed, avoid the high temperature in the diesel engine to lead to diesel generator life to descend, or lead to dangerous emergence because the high temperature.
Description
Technical Field
The invention belongs to the technical field of generators, and particularly relates to a diesel generator control system and a diesel generator.
Background
Diesel generator can produce high temperature at the during operation, can arrange high temperature simultaneously and scatter, can influence diesel generator's life when the during operation high temperature, can take place danger because of the high temperature even, can regulate and control the temperature through the fuel injection volume in the control diesel engine, avoids the high temperature.
Therefore, it is necessary to design a new diesel generator control system and a diesel generator based on the above technical problems.
Disclosure of Invention
The invention aims to provide a diesel generator control system and a diesel generator
In order to solve the above technical problem, the present invention provides a diesel generator control system, including:
a diesel engine, and
the diesel engine is connected with the generator and is suitable for driving the generator to generate electricity;
the detection device is arranged on the diesel engine and is suitable for detecting parameter data of the diesel engine;
and the control module is electrically connected with the detection device and the diesel engine, and is suitable for controlling the oil injection quantity of an oil pump in the diesel engine according to the parameter data detected by the detection device.
Further, the detection device includes: the temperature sensor is electrically connected with the control module;
the temperature sensor is arranged in a water tank of the diesel engine;
the temperature sensor is adapted to detect a temperature within the water tank.
Further, the detection device further comprises: the rotating speed sensor is electrically connected with the control module;
the rotation speed sensor is suitable for detecting the rotation speed of an electronic fan of the diesel engine.
Further, the control module is adapted to control the amount of fuel injected by the diesel pump in dependence on the rotational speed and the temperature, i.e. the control module is adapted to control the amount of fuel injected by the diesel pump in dependence on the rotational speed and the temperature
The control module is suitable for controlling the opening of a valve in the diesel engine according to the rotating speed and the temperature so as to control the oil injection quantity of the oil pump.
Further, the control module is adapted to model between valve opening and rotational speed and temperature, i.e.
AWhen =A(iii) ofΘtUp/orαrTo (above) - ((ΘtWhen/isαrBifenhua brandβ]；
Wherein the content of the first and second substances,Awhen the current valve opening is the valve opening at the current moment;Athe upper is the valve opening at the previous moment;θis the coefficient of temperature;αis the coefficient of the rotation speed;tthe upper is the temperature at the previous moment;twhen the temperature is the temperature at the current moment;rthe upper is the rotating speed at the last moment;rwhen the rotation speed is the rotation speed at the current moment;βis a constant.
Further, the control module is adapted to control the operation of the motor according toAWhen the opening degree of the valve is controlled;
if it isADang > (Chinese character of 'Dang')γmaxIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
if it isAWhen <γminIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
wherein the content of the first and second substances,γmaxis the maximum value of the valve opening threshold;γminis the minimum value of the valve opening threshold.
Further, if (A)AWhen/isAUpper) >δmaxOr (a)AWhen +AUpper < >δminIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
wherein the content of the first and second substances,δmaxthe maximum value of the valve opening change threshold value;δminis the minimum value of the valve opening change threshold value.
Further, an output shaft of the diesel engine is connected with an output shaft of the generator;
the output shaft of the diesel engine drives the output shaft of the generator to rotate, so that the generator generates electricity.
Further, the output shaft of the diesel engine is simultaneously connected with the electronic fan;
the output shaft of the diesel engine is suitable for driving the electronic fan to rotate.
In another aspect, the present invention also provides a diesel generator, comprising:
the diesel generator control system and the heat dissipation device are adopted;
the heat dissipation device is arranged on the diesel engine;
the heat dissipating device includes: the heat dissipation device comprises a heat dissipation housing and a plurality of heat dissipation mechanisms;
the heat dissipation housing covers the electronic fan of the diesel engine;
a plurality of air inlet holes and a plurality of air outlet holes are formed in the heat dissipation housing;
the heat dissipation mechanism is inserted into an air inlet hole of the heat dissipation housing;
the heat dissipation mechanism is suitable for swinging to a horizontal position when the diesel engine is started so as to seal the air inlet hole, and
the heat dissipation mechanism is suitable for resetting after the diesel engine reaches the working temperature, so that air enters the heat dissipation housing from an air flow channel in the heat dissipation mechanism.
The diesel engine is connected with the generator, and the diesel engine is suitable for driving the generator to generate electricity; the detection device is arranged on the diesel engine and is suitable for detecting parameter data of the diesel engine; the control module, control module with detection device and diesel engine electric connection, control module is suitable for according to the parameter data that detection device detected, the fuel injection quantity of control diesel engine oil pump controls, has realized the fuel injection quantity in the diesel engine to adjust the rotational speed of output shaft in the diesel engine, can make the operating temperature in the diesel engine realize adjusting through adjusting the rotational speed, avoid the high temperature in the diesel engine to lead to diesel generator life to descend, or lead to dangerous emergence because the high temperature.
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 practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a functional block diagram of a diesel generator control system of the present invention;
FIG. 2 is a functional block diagram of the valve of the present invention;
FIG. 3 is a functional block diagram of the alarm module of the present invention;
FIG. 4 is a flow chart of the valve adjustment of the present invention;
FIG. 5 is a schematic structural view of a diesel generator of the present invention;
FIG. 6 is a schematic structural diagram of a heat dissipation device of the present invention;
fig. 7 is a mechanism diagram of the heat dissipation mechanism of the present invention.
In the figure:
1, a diesel engine;
2, a generator;
3 heat abstractor, 31 heat dissipation cover, 311 air inlet, 312 air outlet, 313 limit hook, 32 heat dissipation mechanism, 321 temperature adjusting piece, 322 filter screen, 323 air flow channel, 324 plugging piece, 325 limit piece, 326 limit strip hole.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present 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.
Example 1
As shown in fig. 1 to 7, the present embodiment 1 provides a diesel generator control system including: the diesel engine 1 is connected with the generator 2, and the diesel engine 1 is suitable for driving the generator 2 to generate electricity; the detection device is arranged on the diesel engine 1 and is suitable for detecting parameter data of the diesel engine 1; the control module, control module with detection device and diesel engine 1 electric connection, control module is suitable for according to the parameter data that detection device detected, the fuel injection quantity of oil pump in the control diesel engine 1 controls, has realized the fuel injection quantity in the diesel engine 1 to the rotational speed of output shaft in the regulation diesel engine 1 can make the operating temperature in the diesel engine 1 realize adjusting through adjusting the rotational speed, avoids the high temperature in the diesel engine 1 to lead to diesel generator 2 life to descend, or because the high temperature leads to dangerous emergence.
In this embodiment, the control module may adoptPLC。
In this embodiment, the detection device includes: the temperature sensor is electrically connected with the control module; the temperature sensor is arranged in a water tank of the diesel engine 1; the temperature sensor is suitable for detecting the temperature in the water tank; the water tank can be connected or communicate with the engine cylinder body of the diesel engine 1 through a water pipe and the like, so that the temperature in the engine cylinder body is conducted to the water tank, the temperature in the water tank is detected through the temperature sensor, the temperature in the engine cylinder body is known, the direct temperature detection in the engine cylinder body is not needed, and the temperature in the engine cylinder body can be detected.
In the present embodiment, the water tank is used to absorb heat from the engine block and prevent the diesel engine 1 from overheating and malfunctioning.
In the present embodiment, the engine block is used to support and secure the exact position of the moving parts such as the piston, the connecting rod, the crankshaft, etc. during operation, and to secure ventilation, cooling and lubrication of the diesel engine 1.
In this embodiment, the detection apparatus further includes: the rotating speed sensor is electrically connected with the control module; the rotation speed sensor is adapted to detect the rotation speed of the electronic fan of the diesel engine 1; the electronic fan of the diesel engine 1 can dissipate the temperature in the engine cylinder; the electronic fan can be connected with the output shaft of the diesel engine 1 to drive the electronic fan to rotate through the output shaft, the air flow is increased to reduce the temperature of liquid in the water tank, and the temperature in the engine cylinder body is reduced, or the electronic fan can adopt a fan directly controlled by the control module and is controlled to rotate by the control module.
In this embodiment, the control module is adapted to control the fuel injection amount of the oil pump in the diesel engine 1 according to the rotation speed and the temperature, that is, the control module is adapted to control the opening of the valve in the diesel engine 1 according to the rotation speed and the temperature so as to control the fuel injection amount of the oil pump (the amount of fuel injected into the engine block by the oil pump); the heat generated by diesel combustion in the engine cylinder can be adjusted by changing the fuel injection quantity, so that the temperature can be adjusted.
In this embodiment, the control module is adapted to model the valve opening versus the speed and temperature, i.e.
AWhen =A(iii) ofΘtUp/orαrTo (above) - ((ΘtWhen/isαrBifenhua brandβ](ii) a When the electronic fan is connected with the output shaft of the diesel engine 1, the rotating speed of the electronic fan is reduced when the fuel injection quantity is reduced, and the temperature is reduced; when the electronic fan controlled by the control module is adopted, the control module can control the rotating speed of the electronic fan to be reduced when the temperature is reduced, and can also independently control the rotating speed of the electronic fan to realize the purpose of accelerating the heat dissipation;
wherein the content of the first and second substances,Awhen the current valve opening is the valve opening at the current moment;Athe upper is the valve opening at the previous moment;θis the coefficient of temperature;αis the coefficient of the rotation speed;tthe upper is the temperature at the previous moment;twhen the temperature is the temperature at the current moment;rthe rotating speed at the previous moment is up;rwhen the rotation speed is the rotation speed at the current moment;βthe constant is a positive number and can be obtained through experience; temperature ofThe coefficient of the degree and the coefficient of the rotating speed can be obtained through experience, and the temperature and the rotating speed are converted to the same dimension through the coefficients; through the relation of the temperature and the rotating speed at the last moment, the difference value of the relation of the temperature and the rotating speed at the current moment and the addition of the constant can obtain the variation, the variation is multiplied by the valve opening degree at the last moment, so that the opening degree of the valve at the current moment can be obtained, the opening degree of the valve is regulated according to the opening degree through the memorability of the control module, the oil injection quantity is regulated, the opening degree of the valve at the current moment is related to the opening degree of the valve at the last moment, the valve opening degree is obtained through the temperature and the rotating speed, the opening degree of the valve can be effectively regulated, and the temperature is further regulated and controlled.
In this embodiment, the control module is adapted to control the operation of the motor according toAWhen the opening degree of the valve is controlled;
if it isADang > (Chinese character of 'Dang')γmaxIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
if it isAWhen <γminIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
wherein the content of the first and second substances,γmaxis the maximum value of the valve opening threshold;γminis the minimum value of the valve opening threshold value; if the calculated value of the opening of the valve at the current moment exceeds the threshold value of the opening of the valve, the calculation is wrong, the temperature sensor or the rotating speed sensor is possibly damaged, the control module controls the valve to be completely closed at the moment, the diesel engine 1 stops working, danger is avoided, the alarm module can give an alarm, and a worker is reminded to overhaul.
In this embodiment, if (AWhen/isAUpper) >δmaxOr (a)AWhen +AUpper < >δminIf the alarm module is closed, the control module controls the valve to be closed, and controls the alarm module to give an alarm; wherein the content of the first and second substances,δmaxthe maximum value of the valve opening change threshold value;δminis the minimum value of the valve opening change threshold value; because the temperature change is a linear process, the temperature does not change violently in the same time interval, and the rotating speed of the electronic fan does not change violently, when the valve is openedWhen the temperature changes dramatically, the temperature or the rotating speed changes dramatically, and the temperature sensor or the rotating speed sensor may be damaged, so that the valve is controlled to be closed, and the diesel engine 1 is shut down for maintenance.
In the present embodiment, the output shaft of the diesel engine 1 is connected to the output shaft of the generator 2; the output shaft of the diesel engine 1 drives the output shaft of the generator 2 to rotate, so that the generator 2 generates electricity.
In the embodiment, the output shaft of the diesel engine 1 is simultaneously connected with the electronic fan; the output shaft of the diesel engine 1 is suitable for driving the electronic fan to rotate.
Example 2
On the basis of embodiment 1, this embodiment 2 further provides a diesel generator, including: a control system of the diesel generator 2 as in the embodiment is adopted, and a heat dissipation device 3; the heat dissipation device 3 is arranged on the diesel engine 1; the heat sink 3 includes: a heat dissipation housing 31 and a plurality of heat dissipation mechanisms 32; the heat dissipation cover 31 covers the electronic fan of the diesel engine 1 and covers the water tank; a plurality of air inlet holes 311 and a plurality of air outlet holes 312 are arranged on the heat dissipation housing 31; the heat dissipation mechanism 32 includes: a temperature adjusting member 321, a plugging member 324, and a stopper 325; the temperature adjusting part 321 is hinged to the limiting part 325; the limiting member 325 is fixedly connected with the fixing portion; the fixing part is inserted into the air inlet 311 of the heat dissipation housing 31; the limiting member 325 is provided with a limiting strip hole 326; the outer side wall of the air inlet hole 311 is provided with a limiting hook 313; the limiting hook 313 extends into the limiting strip hole 326, so that the limiting piece 325 is connected with the limiting hook 313, and the temperature adjusting piece 321 is hung outside the air inlet hole 311; a filter screen 322 is arranged at the air inlet end of the temperature adjusting part 321, and an air flow channel 323 is arranged in the temperature adjusting part 321; the air flow channel 323 penetrates through the temperature adjusting part 321; wherein, the surface of the temperature adjusting part 321 which is abutted with the outer side wall of the air inlet 311 is an inclined surface; the temperature adjusting member 321 is suitable for swinging to a horizontal position when the diesel engine 1 is started to block the air inlet hole 311, so that the temperature in the heat dissipation housing 31 is quickly raised to a working temperature; the temperature adjusting member 321 is adapted to be reset after the diesel engine 1 reaches the operating temperature, so that air enters the heat dissipation housing 31 through the air flow passage 323 of the temperature adjusting member 321. The heat dissipation cover 31 is used for dissipating heat generated by the diesel engine 1 during operation, and ensuring the operating temperature of the diesel engine 1.
In this embodiment, the heat dissipation mechanism 32 includes: a temperature adjusting member 321, a plugging member 324, and a stopper 325; the temperature adjusting element 321 is hinged to the limiting element 325 through a connecting rod, and one surface of the temperature adjusting element 321, which is abutted to the limiting element 325, is an inclined surface, so that the temperature adjusting element 321 can rotate around the connecting rod; the limiting member 325 is fixedly connected with the plugging member 324; the blocking piece 324 is inserted into the air inlet hole 311 of the heat dissipation cover 31, the outer side wall of the air inlet hole 311 is provided with a limiting hook 313, the limiting piece 325 is provided with a limiting strip hole 326, so that the heat dissipation mechanism 32 can be connected with the air inlet hole 311 by inserting the limiting hook 313 into the limiting strip hole 326, the size of the blocking piece 324 is smaller than that of the air inlet hole 311, and the size of the temperature adjusting piece 321 is larger than that of the air inlet hole 311, therefore, the temperature adjusting piece 321 can be obliquely hung outside the air inlet hole 311 due to self gravity, and the temperature adjusting piece 321 can only turn over but cannot fall off due to the action of the limiting piece 325. The heat dissipation mechanism 32 is used for regulating and controlling the temperature of the heat dissipation housing 31, and regulates and controls the air intake amount of the heat dissipation housing 31 by plugging the air intake hole 311 of the heat dissipation housing 31 or opening the air intake hole 311 of the heat dissipation housing 31, thereby realizing the regulation and control of the heat dissipation temperature of the heat dissipation housing 31.
In this embodiment, when the diesel engine 1 just works, the temperature in the heat dissipation housing 31 is low, and at this time, in order to shorten the time for the diesel engine 1 to reach the working temperature, it is necessary to avoid heat dissipation caused by airflow flowing at the water tank, therefore, when the temperature adjusting member 321 is obliquely suspended outside the air inlet hole 311, the blocking member 324 is attached to the inside of the air inlet hole 311, thereby blocking the air inlet hole 311, so that the air flowing to the outside of the heat dissipation housing 31 cannot be generated in the heat dissipation housing 31, and the temperature of the diesel engine 1 is increased.
In this embodiment, a filter screen 322 is disposed at an air inlet end of the temperature adjusting element 321, an air flow channel 323 penetrates through the temperature adjusting element 321, the air flow channel 323 is arranged in a diameter-variable manner, that is, an inner diameter of the flow channel is gradually reduced, and a pitch of the spiral lines is gradually reduced, so that a flow speed of air entering the heat dissipation housing 31 is increased, when a temperature of the diesel engine 1 reaches a working temperature, the heat dissipation element inside the heat dissipation housing 31 is activated to discharge the air inside the heat dissipation housing 31 from a back surface of the heat dissipation housing 31, and because the peripheral walls of the heat dissipation housing 31 are arranged in a sealed manner, and the water tank and the heat dissipation housing 31 can be fixedly connected, heat between the water tank and the heat dissipation housing 31 can be mutually transferred, when an air inlet hole 311 on a front surface of the heat dissipation housing 31 is plugged by the plugging element 324, the air inside the heat dissipation housing 31 is driven to be discharged from the air outlet hole 312 by rotation of the electronic fan, the air pressure in the heat dissipation housing 31 is smaller than the external air pressure, the blocking piece 324 slides towards the inside of the heat dissipation housing 31 due to the external air pressure, the blocking piece 324 is separated from the inner side of the air inlet hole 311, the temperature adjusting piece 321 is pulled to be attached to the outer side of the air inlet hole 311, and at the moment, the external air enters the heat dissipation housing 31 from the air inlet end of the temperature adjusting piece 321 through the filter screen 322 along the air flow channel 323, so that the temperature exchange of the heat dissipation housing 31 is realized; since the diesel generator is generally used in an outdoor environment or the like where dust is large, the filter screen 322 is provided to effectively prevent external dust from entering the inside of the heat dissipation housing 31.
In the present embodiment, the air flow passage 323 provided in the temperature adjusting member 321 functions to accelerate the flow of the gas, thereby improving the heat exchange efficiency.
In the present embodiment, the air flow channel 323 adopts the prior artCNUThe turbine case passage.
In this embodiment, the plurality of air inlets 311 of the heat dissipating casing 31 are all installed with heat dissipating mechanisms 32, when one of the heat dissipating mechanisms 32 is blocked by the filter screen 322 due to more dust, the self part of the dust-free air conditioner can swing downwards due to no air flow, so that the heat dissipation mechanism 32 connected below the self part is struck (the heat dissipation mechanism 32 blocked by dust at the current filter screen 322 can swing downwards, the temperature adjusting piece 321 of the other heat dissipation mechanism 32 positioned below the heat dissipation mechanism 32 is attached to the outer side of the air inlet 311, at the moment, the heat dissipation mechanism 32 swinging downwards can strike the other heat dissipation mechanism 32 positioned below to drop the dust on the filter screen 322), the dust part of the self part is shaken off, the self cleaning is realized, and, in the actual use process, the plurality of heat dissipation mechanisms 32 will not work completely, and if one of the heat dissipation mechanisms 32 is blocked, the heat dissipation mechanism 32 which is not moved additionally can perform supplementary work due to the difference of the internal and external air pressures of the heat dissipation housing 31.
The diesel engine has the beneficial effects that through the diesel engine 1 and the generator 2, the diesel engine 1 is connected with the generator 2, and the diesel engine 1 is suitable for driving the generator 2 to generate electricity; the detection device is arranged on the diesel engine 1 and is suitable for detecting parameter data of the diesel engine 1; the control module, control module with detection device and diesel engine 1 electric connection, control module is suitable for according to the parameter data that detection device detected, the fuel injection quantity of oil pump in the control diesel engine 1 controls, has realized the fuel injection quantity in the diesel engine 1 to the rotational speed of output shaft in the regulation diesel engine 1 can make the operating temperature in the diesel engine 1 realize adjusting through adjusting the rotational speed, avoids the high temperature in the diesel engine 1 to lead to diesel generator 2 life to descend, or because the high temperature leads to dangerous emergence.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation. Moreover, the software programs referred to in the present application are all prior art, and the present application does not relate to any improvement of the software programs.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A diesel generator control system, comprising:
a diesel engine, and
the diesel engine is connected with the generator and is suitable for driving the generator to generate electricity;
the detection device is arranged on the diesel engine and is suitable for detecting parameter data of the diesel engine;
the control module is electrically connected with the detection device and the diesel engine and is suitable for controlling the oil injection quantity of an oil pump in the diesel engine according to the parameter data detected by the detection device;
the detection device includes: the temperature sensor is electrically connected with the control module;
the temperature sensor is arranged in a water tank of the diesel engine;
the temperature sensor is suitable for detecting the temperature in the water tank;
the detection device further comprises: the rotating speed sensor is electrically connected with the control module;
the rotation speed sensor is suitable for detecting the rotation speed of an electronic fan of the diesel engine.
2. The diesel-generator control system as set forth in claim 1,
the control module is suitable for controlling the fuel injection quantity of the diesel engine oil pump according to the rotating speed and the temperature, namely
The control module is suitable for controlling the opening of a valve in the diesel engine according to the rotating speed and the temperature so as to control the oil injection quantity of the oil pump.
3. The diesel-generator control system as set forth in claim 2,
the control module is adapted to model between valve opening and speed and temperature, i.e.
AWhen =A(iii) ofΘtUp/orαrTo (above) - ((ΘtWhen/isαrBifenk (b)β]；
Wherein the content of the first and second substances,Awhen the current valve opening is the valve opening at the current moment;Athe upper is the valve opening at the previous moment;θis the coefficient of temperature;αis the coefficient of the rotation speed;tthe upper is the temperature at the previous moment;twhen the temperature is the temperature at the current moment;rthe rotating speed at the previous moment is up;rwhen the rotation speed is the rotation speed at the current moment;βis a constant.
4. The diesel generator control system of claim 3,
the control module is adapted to control the operation of the motor according toAWhen the opening degree of the valve is controlled;
if it isADang > (Chinese character of 'Dang')γmaxIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
if it isAWhen <γminIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
wherein, the first and the second end of the pipe are connected with each other,γmaxis the maximum value of the valve opening threshold;γminis the minimum value of the valve opening threshold.
5. The diesel-generator control system as set forth in claim 4,
if (AWhen/isAUpper) >δmaxOr (a)AWhen/isAUpper < >δminIf the alarm module is in the normal state, the control module controls the valve to be closed, and controls the alarm module to give an alarm;
wherein the content of the first and second substances,δmaxthe maximum value of the valve opening change threshold value;δminis the minimum value of the valve opening change threshold value.
6. The diesel-generator control system as set forth in claim 5,
the output shaft of the diesel engine is connected with the output shaft of the generator;
the output shaft of the diesel engine drives the output shaft of the generator to rotate, so that the generator generates electricity.
7. The diesel-generator control system as set forth in claim 6,
the output shaft of the diesel engine is simultaneously connected with the electronic fan;
the output shaft of the diesel engine is suitable for driving the electronic fan to rotate.
8. A diesel generator, comprising:
employing a diesel generator control system as claimed in any one of claims 1-7, and a heat sink;
the heat dissipation device is arranged on the diesel engine;
the heat dissipating device includes: the heat dissipation device comprises a heat dissipation housing and a plurality of heat dissipation mechanisms;
the heat dissipation housing covers the electronic fan of the diesel engine;
a plurality of air inlet holes and a plurality of air outlet holes are formed in the heat dissipation housing;
the heat dissipation mechanism is inserted into an air inlet hole of the heat dissipation housing;
the heat dissipation mechanism is suitable for swinging to a horizontal position when the diesel engine is started so as to seal the air inlet hole, and
the heat dissipation mechanism is suitable for resetting after the diesel engine reaches the working temperature, so that air enters the heat dissipation housing from an air flow channel in the heat dissipation mechanism.
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| CN202210619917.4A CN114810401B (en) | 2022-06-02 | 2022-06-02 | Diesel generator control system and diesel generator |
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| CN202210619917.4A CN114810401B (en) | 2022-06-02 | 2022-06-02 | Diesel generator control system and diesel generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115264246A (en) * | 2022-09-26 | 2022-11-01 | 常州大道机械有限公司 | Emergency diesel power generation system and working method thereof |
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| CN114810401B (en) | 2022-09-23 |
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Denomination of invention: A diesel generator control system and diesel generator Effective date of registration: 20230824 Granted publication date: 20220923 Pledgee: Industrial and Commercial Bank of China Limited Changzhou Economic Development Zone sub branch Pledgor: Changzhou ITC Power Equipment Manufacturing Co.,Ltd. Registration number: Y2023980053658 |