CN217206669U - Diesel locomotive control system and diesel locomotive - Google Patents
Diesel locomotive control system and diesel locomotive Download PDFInfo
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- CN217206669U CN217206669U CN202221406794.8U CN202221406794U CN217206669U CN 217206669 U CN217206669 U CN 217206669U CN 202221406794 U CN202221406794 U CN 202221406794U CN 217206669 U CN217206669 U CN 217206669U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model relates to a diesel locomotive control field discloses a diesel locomotive control system and diesel locomotive, include: the control system comprises a main controller, a standby controller, a mode adjusting device and interfaces, wherein the interfaces correspond to input signals and output signals of various internal combustion locomotives so as to ensure that the control system can be adaptively connected with various internal combustion locomotives to acquire the signals or output the signals. The main controller is connected with the mode adjusting device and used for obtaining the mode command and running an application control program corresponding to the mode command so as to enable the application control program running in the main controller to be matched with the locomotive, and the standby controller is connected with the main controller so as to detect whether the main controller fails or not and generate a control signal when the main controller fails. Therefore, the diesel locomotive control system can operate an application control program matched with the type of the locomotive, and meanwhile, the standby controller obtains control authority when the main controller fails so as to improve the stability and reliability of the system.
Description
Technical Field
The utility model relates to a diesel locomotive control field especially relates to a diesel locomotive control system and diesel locomotive.
Background
In the operation process of the internal combustion locomotive, the exciting current of the exciting engine needs to be adjusted through the controller, so that the exciting current output by the main engine of the internal combustion locomotive is adjusted, and the purpose of adjusting the output power of the main engine is finally achieved. However, the diesel locomotive has a fast technical development, the controller of the diesel locomotive is iterated for many times, the currently used diesel locomotives have various types of controllers, and the interfaces and control schemes of the controllers of various types are different, so that inconvenience is brought to the maintenance of the diesel locomotive.
Therefore, it is an urgent need to solve the problem of providing a control system for a diesel locomotive, which can be applied to various diesel locomotives.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diesel locomotive control system and diesel locomotive to be applied to the diesel locomotive of various models, thereby reduce diesel locomotive's maintenance cost.
In order to solve the above technical problem, the present application provides a control system for a diesel locomotive, the system including:
a main controller 1, a standby controller 2, a mode adjusting device 3 and an interface 4,
the interface 4 corresponds to input signals and output signals of various diesel locomotives;
the main controller 1 is connected with the mode adjusting device 3 and is used for acquiring a mode instruction and running an application control program corresponding to the mode instruction;
the main controller 1 is connected with each interface 4 to acquire an actual power signal and a rotating speed signal and output a control signal to control an engine and a load thereof, wherein the control signal is a signal generated by the application control program according to the actual power signal and the rotating speed signal;
the standby controller 2 is connected with the main controller 1 to detect whether the main controller 1 fails, and the standby controller 2 is further connected with the mode adjusting device 3 and the interface 4 to generate the control signal when the main controller 1 fails.
Preferably, a sensor and an environment adjusting device 5 are also included;
the sensor and each environment adjusting device 5 are arranged at the engine to measure the environment data of the environment where the engine is located;
the main controller 1 and the standby controller 2 are both connected with the sensor to acquire the environmental data;
the main controller 1 and the standby controller 2 are both connected with each environment adjusting device 5 to control the on and off of each environment adjusting device 5 according to the environment data.
Preferably, the device also comprises an output protection circuit;
the output protection circuit is connected with a power supply line of the environment adjusting device 5;
and when the current in the power supply line is detected to be larger than the current threshold value, controlling the power supply line to be disconnected.
Preferably, the output protection circuit includes:
the circuit comprises a current detection circuit 6, a switching device 7, a comparator 8, a restart circuit 9 and an AND gate circuit;
the current detection circuit 6 is connected with the power supply circuit to obtain a current detection value;
the inverting input end of the comparator 8 is connected with the current detection circuit 6 to obtain the current detection value, and the non-inverting input end of the comparator 8 is connected with the reference current;
the first input end of the AND-gate circuit is connected with the output end of the comparator 8, the second input end of the AND-gate circuit is connected with the main controller 1 and the standby controller 2, and the output end of the AND-gate circuit is connected with the control end of the switching device 7;
a first end of the switching device 7 is connected with an output end of a power supply of the power supply line, and a second end of the switching device 7 is connected with a power supply end of the environment adjusting device 5;
the restart circuit 9 is connected to the clear terminal of the comparator 8.
Preferably, the system further comprises a communication recording device;
the communication recording device is connected with the main controller 1 and the standby controller 2 to record the operation data of the diesel locomotive and send the operation data to a remote server.
Preferably, the system further comprises a human-computer interaction device, and the human-computer interaction device is connected with the main controller 1 and the standby controller 2.
Preferably, the system further comprises a display screen, and the display screen is connected with the main controller 1 and the standby controller 2 to acquire and display the operation data of the diesel locomotive.
Preferably, the mode adjusting device 3 is a three-variable input module.
Preferably, the device also comprises an early warning device;
the early warning device is connected with the main controller 1 and the standby controller 2 and used for giving an alarm to a manager when the rotating speed of the engine is higher than a rotating speed threshold value.
In order to solve the technical problem, the application further provides the diesel locomotive, which comprises the diesel locomotive control system.
The application provides a diesel locomotive control system includes: the control system comprises a main controller, a standby controller, a mode adjusting device and an interface, wherein the interface corresponds to input signals and output signals of various internal combustion locomotives, so that the control system can be in adaptive connection with the internal combustion locomotives to acquire the signals or output the signals. The main controller is connected with the mode adjusting device and used for obtaining a mode instruction and running an application control program corresponding to the mode instruction so as to enable the application control program running in the main controller to be matched with the locomotive, the main controller is also connected with an interface so as to obtain an actual power signal and generate a control signal according to the actual power so as to control the output power of the main engine, and the standby controller is connected with the main controller so as to detect whether the main controller fails and generate the control signal when the main controller fails so as to replace the original main controller. Therefore, the diesel locomotive control system provided by the application has the interface capable of being adapted to various types of locomotives, so that an application control program matched with the type of the locomotive can be operated by acquiring a mode instruction, the output power of the engine of a locomotive owner can be controlled, and meanwhile, when the main controller fails, the standby controller can acquire the control authority of the engine and the control authority of other devices of the diesel locomotive, so that the stability and the reliability of the control system can be improved.
In addition, this application still provides a diesel locomotive, including foretell diesel locomotive control system, the effect is the same as above.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without inventive work.
Fig. 1 is a block diagram of a control system of a diesel locomotive according to an embodiment of the present disclosure;
fig. 2 is a structural diagram of an output protection circuit according to an embodiment of the present disclosure;
the reference numbers are as follows: the controller comprises a main controller 1, a standby controller 2, a mode adjusting device 3, an interface 4, an environment adjusting device 5, a current detecting circuit 6, a switching device 7, a comparator 8 and a restarting circuit 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, the ordinary skilled in the art can obtain all other embodiments without creative work, which all belong to the protection scope of the present invention.
The core of the utility model is to provide a diesel locomotive control system and diesel locomotive to be applied to the diesel locomotive of various models, thereby unify each model diesel locomotive's controller type, thereby reduce diesel locomotive's maintenance cost.
In the application scene of the internal combustion locomotive control system, the controller adjusts the exciting current output by the exciting motor by receiving the instruction signal and the actual rotating speed information of the engine, so as to adjust the output power of the internal combustion locomotive engine. Since the control systems of the internal combustion locomotives of the respective models are different, various types of accessories need to be frequently provided for maintaining the control systems, which increases the maintenance cost. In order to solve the problem, the application provides a diesel locomotive control system which comprises a main controller 1, a standby controller 2, a mode adjusting device 3 and an interface 4, wherein the interface 4 corresponds to input signals and output signals of various diesel locomotives, so that the control system can be applied to the diesel locomotives of various models. The main controller 1 is connected with the mode adjusting device 3 and used for obtaining a mode instruction and running an application control program corresponding to the mode instruction so as to enable the application control program running in the main controller 1 to be matched with the locomotive, the main controller 1 is also connected with the interface 4 so as to obtain an actual power signal and generate a control signal according to the actual power so as to control the output power of the main engine, and the standby controller 2 is connected with the main controller 1 so as to detect whether the main controller 1 fails or not and generate the control signal when the main controller 1 fails so as to replace the original main controller 1.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Fig. 1 is a structural diagram of a control system of a diesel locomotive according to an embodiment of the present application, and as shown in fig. 1, the control system of the diesel locomotive includes:
the system comprises a main controller 1, a standby controller 2, a mode adjusting device 3 and an interface 4, wherein the interface 4 corresponds to input signals and output signals of various internal combustion locomotives;
the main controller 1 is connected with the mode adjusting device 3 and is used for acquiring a mode instruction and running an application control program corresponding to the mode instruction;
the main controller 1 is connected with each interface 4 to acquire an actual power signal and output a control signal to control the output power of the engine, wherein the control signal is a signal generated by an application control program according to the actual power signal;
the standby controller 2 is connected with the main controller 1 to detect whether the main controller 1 fails, and the standby controller 2 is also connected with the mode adjusting device 3 and the interface 4 to generate a control signal when the main controller 1 fails.
In a specific implementation, the main Controller 1 and the standby Controller 2 are Programmable Logic Controllers (PLCs). In an implementation, the standby controller 2 may be the same microprocessor as the main controller 1, or may be a microprocessor with poor performance.
When microprocessors of the same model are selected, the main controller 1 and the standby controller 2 can simultaneously obtain an actual power signal and other signals sent by each interface 4 and generate control signals, but only the control signals generated by the main controller are sent to the engine to control the output power of the engine, the control signals generated by the standby controller 2 are only used for checking whether the control signals generated by the main controller 1 are correct, and if the difference value of the control signals output by the main controller and the standby controller is higher than the difference value threshold value, the main controller 1 or the standby controller 2 is indicated to have a fault and needs to be overhauled in time.
When a microprocessor with poor performance is selected as the standby controller 2, the standby processor can be used only for working when the main controller 1 fails, thereby reducing the equipment cost.
It should be noted that, the main Controller 1 is connected to the standby Controller 2 through a Controller Area Network (CAN) bus, the main Controller 1 sends a working signal to the standby Controller 2 at preset intervals, if the standby Controller 2 does not obtain the working signal within a preset number period, it indicates that the main Controller 1 fails, the standby Controller 2 obtains a control authority at the moment, the output power of the engine is controlled by outputting the control signal, and meanwhile, the standby Controller 2 sends alarm information to maintenance personnel.
In a specific implementation, the mode adjusting device 3 may be a keyboard or a switch module. The main controller 1 acquires the mode instruction output from the mode adjustment device 3, thereby executing the application control program corresponding to the mode instruction. It can be understood that, in the application scenario of the diesel locomotive, the application control program in the main controller 1 corresponds to the internal combustion engine model one to one, so that when the internal combustion locomotive is not maintained and disassembled after being installed, the application control program running in the main controller 1 does not need to be changed.
The man-machine interaction device is used for inputting power regulation instructions to the controller, such as: increasing engine output power, decreasing engine output power, and other software routines that set the controller. In a specific implementation, the human-computer interaction device can be a keyboard, a mouse or a touch screen.
It can be understood that the control system of the diesel locomotive further comprises a display screen, which is connected with both the main controller 1 and the standby controller 2 to acquire and display the operating parameters of the diesel locomotive, such as: operating speed, operating time, engine operating status, etc. In this embodiment, in order to reduce the equipment cost, a touch screen is selected as the human-computer interaction device and the display screen at the same time.
The early warning device is connected with the controller and the standby controller 2 to acquire the rotating speed of a main engine of the diesel locomotive, and is used for giving an alarm to a manager when the rotating speed of the engine is higher than a rotating speed threshold value so as to prevent the diesel locomotive from running in a dangerous state.
In addition, still include communication recording device among the diesel locomotive control system that this application provided, communication recording device can be WIFI communication device, 5G communication device etc. does not do the restriction here. The communication recording device is connected with the main controller 1 and the standby controller 2 of the diesel locomotive to acquire and record the operation data of the diesel locomotive, and the operation data is sent to the remote server, so that remote monitoring personnel can know the working state of the diesel locomotive in time.
The embodiment provides a diesel locomotive control system, and the system includes: the control system comprises a main controller, a standby controller, a mode adjusting device and an interface, wherein the interface corresponds to input signals and output signals of various internal combustion locomotives, so that the control system can be in adaptive connection with the internal combustion locomotives to acquire the signals or output the signals. The main controller is connected with the mode adjusting device and used for obtaining a mode instruction and running an application control program corresponding to the mode instruction so as to enable the application control program running in the main controller to be matched with the locomotive, the main controller is also connected with an interface so as to obtain an actual power signal and generate a control signal according to the actual power so as to replace the original main controller, thereby controlling the output power of the main engine, and the standby controller is connected with the main controller so as to detect whether the main controller fails or not and generate the control signal when the main controller fails. Therefore, the diesel locomotive control system provided by the application has the interface capable of being adapted to various types of locomotives, so that an application control program matched with the type of the locomotive can be operated by acquiring a mode instruction, the output power of the engine of a locomotive owner can be controlled, and meanwhile, when the main controller fails, the standby controller can acquire the control authority of the engine and the control authority of other devices of the diesel locomotive, so that the stability and the reliability of the control system can be improved.
In specific implementation, in order to ensure the normal operation of the diesel locomotive, sensors, environmental conditioning devices and the like are also arranged in the diesel locomotive to create a good working environment for devices such as a controller, an engine and the like, for example: the temperature sensor and the exhaust fan are used for adjusting the temperature of the environment where the engine is located and preventing the engine from overheating.
In a specific implementation, the sensors and the environmental conditioning devices 5 are all arranged at the engine to measure environmental data of the environment where the engine is located;
the main controller 1 is connected with a sensor to acquire environmental data;
the main controller 1 is connected to each of the environment adjusting devices 5 to control the on and off of each of the environment adjusting devices 5 according to the environment data.
In the embodiment, a proper working environment is created for the engine by arranging the sensor and the environment adjusting device so as to prevent the engine from being damaged by overheating.
In the specific implementation, the main controller of the diesel locomotive outputs a control signal to control the on and off of the environment adjusting device 5, but the environment protecting device is easy to burn due to excessive voltage or current. In order to ensure the normal operation of the environment adjusting device 5, the environment adjusting device also comprises an output protection circuit;
the output protection circuit is connected with a power supply line of the environment adjusting device 5;
and when the current in the power supply line is detected to be larger than the current threshold value, controlling the power supply line to be disconnected.
Fig. 2 is a structural diagram of an output protection circuit according to an embodiment of the present application, and as shown in fig. 2, the output protection circuit includes:
the circuit comprises a current detection circuit 6, a switching device 7, a comparator 8, a restart circuit 9 and an AND gate circuit;
the current detection circuit 6 is connected with a power supply line to obtain a current detection value;
the reverse input end of the comparator 8 is connected with the current detection circuit 6 to obtain a current detection value, and the non-inverting input end of the comparator 8 is connected with a reference current;
the first input end of the AND circuit is connected with the output end of the comparator 8, the second input end of the AND circuit is connected with the main controller 1, and the output end of the AND circuit is connected with the control end of the switching device 7;
a first end of the switching device 7 is connected with the output end of the power supply line, and a second end of the switching device 7 is connected with the power supply end of the environment adjusting device 5;
the restart circuit 9 is connected to the clear terminal of the comparator 8.
In specific implementation, a hall current sensor is used for detecting a current signal between the environment adjusting device 5 and the controller, and the switching device 7 may be a single chip microcomputer or a switching tube, which is not limited herein.
When the current detection circuit 6 detects that a current signal between the environment adjusting device 5 and the main controller 1 (or the standby controller 2) is greater than a reference current, the control comparator 8 is locked, the output end of the comparator 8 is a low level signal, the switching device 7 is turned off at the moment, the main controller 1 cannot output a control signal to the environment adjusting device 5 until the current detection value is lower than the reference current value, the restart circuit 9 controls the comparator 8 to unlock, the output end of the comparator 8 outputs a high level signal, and the switching device 7 is turned on.
In the embodiment, the environment adjusting device is protected by the output protection circuit comprising the switching device and the comparator, so that the environment adjusting device is prevented from being damaged due to overlarge current.
In order to solve the technical problem, the application further provides the diesel locomotive which comprises the diesel locomotive control system and is arranged outside the engine.
The embodiment provides a diesel locomotive, including above-mentioned diesel locomotive control system, this diesel locomotive control system includes: the control system comprises a main controller, a standby controller, a mode adjusting device and an interface, wherein the interface corresponds to input signals and output signals of various internal combustion locomotives, so that the control system can be in adaptive connection with the internal combustion locomotives to acquire the signals or output the signals. The main controller is connected with the mode adjusting device and used for obtaining a mode instruction and running an application control program corresponding to the mode instruction so as to enable the application control program running in the main controller to be matched with the locomotive, the main controller is also connected with an interface so as to obtain an actual power signal and generate a control signal according to the actual power so as to control the output power of the main engine, and the standby controller is connected with the main controller so as to detect whether the main controller fails and generate the control signal to replace the original main controller when the main controller fails. Therefore, the diesel locomotive control system provided by the application has the interface capable of being adapted to various types of locomotives, so that an application control program matched with the type of the locomotive can be operated by acquiring a mode instruction, the output power of the engine of a locomotive owner can be controlled, and meanwhile, when the main controller fails, the standby controller can acquire the control authority of the engine and the control authority of other devices of the diesel locomotive, so that the stability and the reliability of the control system can be improved.
It is right above that the utility model provides a diesel locomotive control system and diesel locomotive have carried out detailed introduction. The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed in the embodiment corresponds to the method disclosed in the embodiment, so that the description is simple, and the relevant points can be referred to the description of the method part. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A control system for a diesel locomotive, comprising:
a main controller (1), a standby controller (2), a mode adjusting device (3) and an interface (4),
the interface (4) corresponds to input signals and output signals of various internal combustion locomotives;
the main controller (1) is connected with the mode adjusting device (3) and is used for acquiring a mode instruction and running an application control program corresponding to the mode instruction;
the main controller (1) is connected with each interface (4) to acquire an actual power signal and a rotating speed signal and output a control signal to control an engine and a load thereof, wherein the control signal is generated by the application control program according to the actual power signal and the rotating speed signal;
the standby controller (2) is connected with the main controller (1) to detect whether the main controller (1) fails, and the standby controller (2) is also connected with the mode adjusting device (3) and the interface (4) to generate the control signal when the main controller (1) fails.
2. The diesel locomotive control system according to claim 1, characterized in that it further comprises sensors and environmental conditioning means (5);
the sensor and each environment adjusting device (5) are arranged at the engine to measure the environment data of the environment where the engine is located;
the main controller (1) and the standby controller (2) are both connected with the sensor to acquire the environmental data;
the main controller (1) and the standby controller (2) are connected with the environment adjusting devices (5) so as to control the opening and closing of the environment adjusting devices (5) according to the environment data.
3. The diesel locomotive control system of claim 2, further comprising an output protection circuit;
the output protection circuit is connected with a power supply line of the environment adjusting device (5);
and when the current in the power supply line is detected to be larger than the current threshold value, controlling the power supply line to be disconnected.
4. The diesel locomotive control system of claim 3, wherein the output protection circuit comprises:
the circuit comprises a current detection circuit (6), a switching device (7), a comparator (8), a restart circuit (9) and an AND gate circuit;
the current detection circuit (6) is connected with the power supply line to obtain a current detection value;
the inverting input end of the comparator (8) is connected with the current detection circuit (6) to obtain the current detection value, and the non-inverting input end of the comparator (8) is connected with a reference current;
the first input end of the AND gate circuit is connected with the output end of the comparator (8), the second input end of the AND gate circuit is connected with the main controller (1) and the standby controller (2), and the output end of the AND gate circuit is connected with the control end of the switching device (7);
a first end of the switching device (7) is connected with an output end of a power supply of the power supply line, and a second end of the switching device (7) is connected with a power supply end of the environment adjusting device (5);
the restarting circuit (9) is connected with a zero clearing end of the comparator (8).
5. The diesel locomotive control system of claim 1, further comprising a communication recording device;
the communication recording device is connected with the main controller (1) and the standby controller (2) to record the operation data of the diesel locomotive and send the operation data to a remote server.
6. The diesel locomotive control system according to claim 1, characterized in that it further comprises a human-computer interaction device, said human-computer interaction device being connected to both said main controller (1) and said standby controller (2).
7. The diesel locomotive control system according to claim 1, characterized in that it further comprises a display screen, said display screen being connected to both said main controller (1) and said standby controller (2) to acquire and display the operating data of said diesel locomotive.
8. The diesel locomotive control system according to claim 1, characterized in that said mode adjustment means (3) is a three-variable input module.
9. The diesel locomotive control system of claim 1, further comprising an early warning device;
the early warning device is connected with the main controller (1) and the standby controller (2) and used for giving an alarm to a manager when the rotating speed of the engine is higher than a rotating speed threshold value.
10. An internal combustion locomotive, characterized by comprising the internal combustion locomotive control system of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221406794.8U CN217206669U (en) | 2022-06-07 | 2022-06-07 | Diesel locomotive control system and diesel locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221406794.8U CN217206669U (en) | 2022-06-07 | 2022-06-07 | Diesel locomotive control system and diesel locomotive |
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| CN217206669U true CN217206669U (en) | 2022-08-16 |
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| CN202221406794.8U Active CN217206669U (en) | 2022-06-07 | 2022-06-07 | Diesel locomotive control system and diesel locomotive |
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