Device for matching speed regulation of mechanical driver controller and electric control diesel engine

Abstract

The utility model relates to the technical field of reciprocating piston type internal combustion engines, in particular to a device for matching speed regulation of a mechanical driver controller and an electric control diesel engine, which comprises a speed regulation driving gear, a servo transmission gear, an oil feeding control module and a speed regulation arm. And the speed regulation driving gear is arranged on a rotating shaft of the driver controller. And the servo transmission gear is meshed with the speed regulation driving gear. The oil feeding control module comprises an accelerator, an accelerator position sensor and a speed regulation module, the accelerator position sensor is in electric signal connection with the accelerator and the speed regulation module, and the speed regulation module is in communication connection with the electronic control unit. The speed regulating arm is installed on the servo transmission gear and is in sliding fit with an accelerator of the oil feeding control module. On the premise that the operation habit of a driver is not changed, operation of an original driver controller is effectively transmitted to the oil feeding control module and then transmitted to an electronic control unit (ECU) of the electronic control diesel engine, and the improvement cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of reciprocating piston internal combustion engine technology, specifically to a device for matching and regulating the speed of a mechanical driver controller and an electronically controlled diesel engine. Background Technology

[0002] With the rapid development of the railway transportation industry and increasingly stringent environmental protection requirements, existing railway diesel locomotives face numerous challenges. Many of the diesel engines used in these locomotives are products developed in the 1950s. These outdated engines have been in service for a long time, are severely aged, and experience frequent breakdowns, making them unable to meet the efficiency and environmental protection requirements of modern transportation. Furthermore, national policies have clearly mandated accelerating the replacement of old locomotives and promoting the development of railway transportation equipment towards low-carbon and environmentally friendly directions.

[0003] The original diesel engine speed control method was mechanical, controlled by a control air cylinder. It was operated by raising or lowering the driver's controller, which changed the position of the control cam and output signals to an intermediate relay or PC receiver. The PC then transmitted the commands to the electronic control valve, which in turn opened or closed the air duct to supply air to the corresponding piston stroke of the control air cylinder. The movement of the piston pushed the lever, which in turn drove the governor.

[0004] The current diesel engine speed control method is electronic speed control, which manages and adjusts various components of the diesel engine through an electronic control unit (ECU). The speed control of an electronically controlled diesel engine primarily utilizes data collected by sensors in the speed control module, which is then transmitted to the ECU. After receiving the sensor data, the ECU analyzes the data using specific algorithms and compares the analysis results with set standards. Based on the analysis results, the ECU sends control signals to the fuel injection control and speed control actuators to adjust the operating speed of the diesel engine by adjusting the fuel injection quantity.

[0005] Since the only change is to replace the diesel engine on the original diesel locomotive, without changing the driver's operating habits, it is necessary to effectively transmit the original driver controller's operation to the speed control module, and then to the electronic control unit (ECU) to achieve diesel engine speed control. Therefore, it is urgent to design a device to connect the driver controller and the electronic diesel engine speed control module and achieve stable speed control. Utility Model Content

[0006] In view of this, the present invention proposes a device for matching and regulating the speed of a mechanical driver controller and an electronically controlled diesel engine, which can at least solve the technical problem that it is difficult to match the existing driver controller and electronically controlled diesel engine speed regulation module.

[0007] This utility model provides a device for matching and regulating the speed of a mechanical driver controller and an electronically controlled diesel engine, comprising: a speed regulating drive gear, a servo transmission gear, a fuel supply control module, and a speed regulating arm. The speed regulating drive gear is mounted on the driver controller's rotating shaft. The servo transmission gear meshes with the speed regulating drive gear. The fuel supply control module includes a throttle, a throttle position sensor, and a speed regulating module. The throttle position sensor is electrically connected to the throttle and the speed regulating module, and the speed regulating module is communicatively connected to the electronic control unit. The speed regulating arm is mounted on the servo transmission gear and slides in engagement with the throttle of the fuel supply control module.

[0008] In some embodiments, the device for matching and regulating the speed of the mechanical driver controller and the electronically controlled diesel engine further includes a cabinet disposed below the driver controller, wherein the speed regulating drive gear, the servo transmission gear and the fuel supply control module are all disposed within the cabinet.

[0009] In some embodiments, the driver controller includes a rotating shaft and a control panel mounted on the upper part of the rotating shaft. The rotating shaft is rotatably mounted on the cabinet about its own axis, and the speed regulating drive gear is coaxial and fixedly mounted on the lower end of the rotating shaft.

[0010] In some embodiments, the radius of the servo drive gear is larger than the radius of the speed-regulating drive gear.

[0011] In some embodiments, the speed ratio between the speed-regulating drive gear and the servo drive gear is 1:2 to 3.

[0012] In some embodiments, the driver controller has several different gears, and the electronic control unit controls the diesel engine to adjust the corresponding preset speed by adjusting each gear.

[0013] In some embodiments, the driver controller has 16 gears, and the electronic control unit controls the diesel engine to adjust the speed by ±50 r / min for each gear adjustment.

[0014] In some embodiments, the full stroke of the driver controller is 150°, and the effective stroke of the speed control arm is 50°.

[0015] In some embodiments, the speed-regulating drive gear and / or servo drive gear are half gears.

[0016] In some embodiments, the top of the cabinet is removable.

[0017] The beneficial effects of this utility model are as follows: By setting up a speed-regulating drive gear, a servo transmission gear, a fuel supply control module, and a speed-regulating arm, this application can accurately transmit the commands issued by the mechanical driver controller to the electronic control unit (ECU) of the electronically controlled diesel engine, achieving matching between the original diesel locomotive's operating speed regulation mode and the electronically controlled diesel engine's speed regulation. Since the replacement of the diesel engine is only carried out on the original diesel locomotive, by installing the transmission device of this application (such as a speed-regulating drive gear and a servo transmission half gear) on the original diesel locomotive, it is possible to effectively transmit the original driver controller's operation to the fuel supply control module, and then to the electronic control unit (ECU) of the electronically controlled diesel engine, without changing the driver's operating habits, thus reducing the modification cost. This compatibility design allows old diesel locomotives to be quickly adapted to new electronically controlled diesel engines, while meeting modern transportation and environmental protection requirements. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other embodiments can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a bottom view of a device for matching and regulating the speed of a mechanical driver controller and an electronically controlled diesel engine, provided as an embodiment of the present invention.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Speed-regulating drive gear; 2. Servo transmission gear; 3. Speed ​​regulating arm; 4. Oil supply control module; 5. Communication cable; 6. Rotary shaft. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be further described in detail below with reference to specific examples and accompanying drawings.

[0023] An embodiment of this utility model discloses a device for matching and regulating the speed of a mechanical driver controller and an electronically controlled diesel engine, comprising: a speed regulating drive gear 1, a servo transmission gear 2, a fuel supply control module 4, and a speed regulating arm 3. The speed regulating drive gear 1 is mounted on the driver controller's rotating shaft 6. The servo transmission gear 2 meshes with the speed regulating drive gear 1, driving the servo transmission gear 2 to rotate when the speed regulating drive gear 1 rotates. The fuel supply control module 4 includes a throttle, a throttle position sensor, and a speed regulation module. The throttle is a resistive throttle, internally equipped with a sliding rheostat (potentiometer). The resistance value is adjusted by changing the position of the sliding contact on the rheostat, thereby regulating the voltage or current signal in the circuit. The throttle position sensor is electrically connected to the throttle and the speed regulation module. The throttle position sensor detects the throttle opening by detecting the voltage or current signal in the regulating circuit and transmits the signal to the speed regulation module. The speed regulation module is communicatively connected to the electronic control unit (ECU) via a communication cable 5. The speed control arm 3 slides in conjunction with the throttle of the accelerator control module 4. When sliding along the throttle, it can adjust the position of the sliding contact on the sliding rheostat, thereby adjusting the throttle opening. Specifically, the speed control arm 3 is plate-shaped or rod-shaped and is fixedly installed at the middle position of the bottom of the servo drive gear 2 by a connecting assembly. The length of the speed control arm 3 is less than the diameter of the servo drive gear 2, and it slides in contact with the resistive surface of the sliding rheostat (potentiometer).

[0024] When the diesel engine speed needs to be adjusted, the operator drives the speed control drive gear 1 to rotate via the driver controller. The rotation of the speed control drive gear 1 drives the servo transmission gear 2 to rotate, and the rotation of the servo transmission gear 2 drives the speed control arm 3 to slide along the surface of the sliding rheostat (potentiometer), adjusting the position of the sliding contact on the sliding rheostat. The throttle position sensor transmits the voltage or current signal detected in the regulation circuit to the speed control module. The speed control module converts the received voltage or current signal into data that can be recognized by the electronic control unit (ECU) and transmits it to the ECU. After receiving the signal, the ECU combines it with other sensor data (such as speed, load, etc.) and adjusts the fuel supply and speed of the diesel engine through a closed-loop control algorithm, achieving seamless integration between mechanical operation and the electronic control system.

[0025] Through the above-described configuration, this application can accurately transmit the commands issued by the mechanical driver controller to the electronic control unit (ECU) of the electronically controlled diesel engine, achieving matching between the original diesel locomotive's speed regulation mode and the electronically controlled diesel engine's speed regulation. Since the diesel engine replacement is only performed on the original diesel locomotive, by installing the transmission device of this application (such as the speed regulation drive gear 1 and servo transmission gear 2) on the original diesel locomotive, the operation of the original driver controller can be effectively transmitted to the fuel supply control module 4, and then to the electronic control unit (ECU) of the electronically controlled diesel engine, without changing the driver's operating habits, thus reducing the modification cost. This compatibility design allows older diesel locomotives to be quickly adapted to new electronically controlled diesel engines, while simultaneously meeting modern transportation and environmental protection requirements.

[0026] In some embodiments, the device for matching and regulating the speed of the mechanical driver controller and the electronically controlled diesel engine further includes a cabinet disposed below the driver controller, in which the speed regulating drive gear 1, the servo drive gear 2, and the fuel supply control module 4 are all disposed. This application achieves centralized system management by integrating the speed regulating drive gear 1, the servo drive gear 2, and the fuel supply control module 4 into a single cabinet, simplifying the system layout, reducing the complexity of external connections, and facilitating installation and maintenance. Furthermore, the cabinet provides physical protection for the various components of the speed regulating device, preventing interference from the external environment (such as dust, humidity, vibration, etc.) and thus improving the reliability and stability of the system.

[0027] In some embodiments, the driver controller includes the aforementioned rotating shaft 6 and a control panel mounted on the upper part of the rotating shaft 6. The rotating shaft 6 and the control panel are coaxially arranged, allowing the driver's operations to be directly transmitted to the rotating shaft 6. The rotating shaft 6 is rotatably mounted on the cabinet around its own axis. Specifically, the top of the cabinet has a through hole through which the rotating shaft 6 passes, and a sealed bearing is provided between the rotating shaft 6 and the hole wall. This not only reduces mechanical friction but also prevents dust, oil, and moisture from entering the cabinet, thereby protecting the internal speed control devices (such as gears, hydrant control module 4, etc.) and improving the system's reliability and service life. The speed control drive gear 1 is coaxially and fixedly mounted on the lower end of the rotating shaft 6, so that the rotation of the rotating shaft 6 drives the speed control drive gear 1 to rotate.

[0028] In some embodiments, the radius of the servo drive gear 2 is larger than the radius of the speed regulating drive gear 1, and its transmission ratio is greater than 1. This reduction transmission can lower the high speed of the speed regulating drive gear 1, thereby providing a more stable low-speed output for the subsequent speed regulating arm 3, ensuring the smoothness and accuracy of the speed regulation process. Simultaneously, according to the gear transmission principle, the reduction transmission not only reduces the speed but also increases the torque. By increasing the radius of the servo drive gear 2, the input torque of the speed regulating drive gear 1 can be amplified, thereby providing a greater driving force for the speed regulating arm 3, enabling it to more effectively adjust the throttle opening.

[0029] In some embodiments, the speed ratio between the speed-regulating drive gear 1 and the servo drive gear 2 is 1:2 to 3. Preferably, the speed ratio between the speed-regulating drive gear 1 and the servo drive gear 2 is 1:3. This design achieves speed reduction transmission while significantly increasing the output torque. Through speed reduction transmission, minute changes in the rotational speed of the speed-regulating drive gear 1 can be amplified, thereby achieving more precise speed control.

[0030] In some embodiments, the driver controller has several different gears. Each gear adjustment corresponds to a preset speed adjustment range for the diesel engine. The multi-gear design of the driver controller allows the driver to select different gears according to actual working conditions, with each gear corresponding to a preset speed range. This segmented speed control method enables precise control of the diesel engine speed, ensuring stable operation under various working conditions.

[0031] In some embodiments, the driver controller has 16 gears, with each gear adjustment corresponding to a ±50 rpm speed adjustment of the diesel engine. This means that changing gears increases or decreases the engine speed by 50 revolutions per minute. For example, if the current speed is 1000 rpm, moving up one gear will increase the engine speed to 1050 rpm; moving down one gear will decrease the engine speed to 950 rpm. This configuration allows the driver to quickly and precisely control the engine speed through simple gear adjustments to adapt to different operating conditions and needs, such as climbing hills, high-speed cruising, or fuel-efficient operation.

[0032] In some embodiments, the full stroke of the driver controller is 150°, and the effective stroke of the speed control arm 3 is 50°. That is, the rotation angle of the driver controller's operating handle from its initial position to its maximum operating position is 150 degrees, and the effective angle range of the speed control arm 3 sliding along the throttle of the fuel supply control module 4 is 50 degrees. Within this angle range, the electronic control unit controls the change in the diesel engine's fuel supply, thereby achieving the speed regulation function. By limiting the effective stroke of the speed control arm 3, the driver's precision in controlling the diesel engine speed can be improved, making the speed regulation process smoother and more accurate.

[0033] In some embodiments, the speed-regulating drive gear 1 and / or the servo drive gear 2 are half gears. This design optimizes the transmission path, reduces energy loss, improves the transmission efficiency of the system, and has a compact structure, saving space.

[0034] In some embodiments, the top of the cabinet is removable, which facilitates the maintenance and repair of the transmission device and reduces daily use and maintenance costs.

[0035] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A device for matching and regulating the speed of a mechanical driver controller and an electronically controlled diesel engine, characterized in that, include: Speed ​​regulating drive gear (1), the speed regulating drive gear (1) is mounted on the driver controller shaft (6); Servo drive gear (2), which meshes with the speed regulating drive gear (1); The fuel supply control module (4) includes a throttle, a throttle position sensor and a speed control module. The throttle position sensor is electrically connected to the throttle and the speed control module. The speed control module is communicatively connected to the electronic control unit. Speed ​​control arm (3) is mounted on the servo transmission gear (2) and slides with the throttle of the oil supply control module (4).

2. The apparatus according to claim 1, characterized in that, It also includes a cabinet located below the driver controller, in which the speed control drive gear (1), servo transmission gear (2) and oil supply control module (4) are all located.

3. The apparatus according to claim 2, characterized in that, The driver controller includes the rotating shaft (6) and a control panel mounted on the upper part of the rotating shaft (6). The rotating shaft (6) is rotatably mounted on the cabinet around its own axis. The speed regulating drive gear (1) is fixedly mounted on the lower end of the rotating shaft (6) and is coaxial with the rotating shaft (6).

4. The apparatus according to claim 1, characterized in that, The radius of the servo drive gear (2) is greater than the radius of the speed regulating drive gear (1).

5. The apparatus according to claim 1, characterized in that, The speed ratio of the speed-regulating drive gear (1) to the servo transmission gear (2) is 1:2~3.

6. The apparatus according to claim 1, characterized in that, The driver controller has several different gears, and the electronic control unit controls the diesel engine to adjust the corresponding preset speed by adjusting each gear.

7. The apparatus according to claim 6, characterized in that, The driver controller has 16 gears, and the electronic control unit controls the diesel engine to adjust the speed by ±50 r / min for each gear adjustment.

8. The apparatus according to claim 1, characterized in that, The full stroke of the driver controller is 150°, and the effective stroke of the speed control arm (3) is 50°.

9. The apparatus according to claim 1, characterized in that, The speed-regulating drive gear (1) and / or servo drive gear (2) are half gears.

10. The apparatus according to claim 2, characterized in that, The top of the cabinet is removable.

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