A mine dump truck remote control preheating device and mine dump truck

Abstract

The utility model discloses a mine dump truck remote control preheating device and mine dump truck, include: remote transmission system, remote receiving system, cab operating system and mine car preheating system, remote transmission system is handheld equipment, remote receiving system fixed mounting on mine dump truck and links to each other with mine car preheating system, cab operating system is integrated on mine dump truck and links to each other with mine car preheating system, mine car preheating system is integrated on mine dump truck, this application has realized the remote control of mine car preheating operation, makes staff to start preheating process without needing entering cab in advance, after preheating, operating personnel can directly start the engine that has preheated, and the multi -terminal collaborative control mechanism has guaranteed still through local operation to complete preheating when communication failure or equipment exception, has improved the system reliability significantly, and this layered control architecture has solved the dual problem of low starting efficiency and poor operation comfort of mine car under the cold environment effectively.

Description

Technical Field

[0001] This utility model relates to the field of mining vehicle technology, and in particular to a remote control preheating device for a mining dump truck and a mining dump truck. Background Technology

[0002] Large mining dump trucks face severe challenges in low-temperature environments during open-pit coal mining operations, especially in frigid regions like northern my country and Russia, where temperatures can drop as low as -60°C. Under these extreme conditions, engine oil viscosity increases or even solidifies, leading to poor engine lubrication and ineffective fuel atomization. Simultaneously, the excessively low temperatures of the coolant and engine itself can cause diesel engines to struggle with compression ignition or fail to start altogether. Forcing a start will result in cold-start failure, accelerated engine wear, shortened engine lifespan, and significant economic losses.

[0003] The traditional solution involves installing an oil heater switch in the cab. Operators must enter the cab beforehand to turn on the heater and wait 30-40 minutes in the cold environment until the oil reaches the required temperature for startup. This method has significant drawbacks: First, operators are exposed to the low-temperature cab for extended periods, creating a harsh working environment; second, the preheating process is time-consuming, severely impacting operational efficiency; third, the single control method lacks flexibility and cannot enable remote operation. Furthermore, existing preheating systems typically only heat individual components, lacking a comprehensive heating solution for critical components such as engine coolant, fuel lines, and fuel filters, resulting in limited preheating effectiveness. Summary of the Invention

[0004] In view of this, the present invention provides a remote control preheating device for mining dump trucks, which has the advantages of realizing remote control preheating, avoiding personnel exposure to low temperatures, and improving operational safety and efficiency.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A remote-controlled preheating device for a mining dump truck includes: a remote transmitting system, a remote receiving system, a cab operating system, and a mining truck preheating system. The remote transmitting system is a handheld device used to transmit an oil preheater activation signal to the remote receiving system. The remote receiving system is fixedly installed on the mining dump truck and connected to the mining truck preheating system, used to receive the preheater activation signal and control the operation of the mining truck preheating system according to the signal, or to directly set parameters and control the operation of the mining truck preheating system. The cab operating system is integrated on the mining dump truck and connected to the mining truck preheating system, and directly controls the mining truck preheating system through the cab operating panel. The mining truck preheating system is integrated on the mining dump truck and used to preheat the engine of the mining dump truck.

[0006] Preferably, the remote transmission system includes a transmission power supply module, a transmission wireless transceiver module, a transmission parameter setting module, and a transmission processor; the transmission power supply module is connected to both the transmission wireless transceiver module and the transmission processor, the transmission wireless transceiver module is bidirectionally transmitted to the transmission processor, and the transmission parameter setting module is input connected to the transmission processor.

[0007] Preferably, the remote transmission system further includes a transmission display module, and the transmission processor is output-connected to the transmission display module.

[0008] Preferably, the remote receiving system includes a receiving power module, a receiving wireless transceiver module, a receiving parameter setting module, a receiving processor, and a CAN bus interface; the receiving power module is connected to the receiving wireless transceiver module and the receiving processor respectively; the receiving wireless transceiver module is bidirectionally connected to the receiving processor; the receiving parameter setting module is input connected to the receiving processor; and the receiving processor is bidirectionally connected to the mine car preheating system through the CAN bus interface.

[0009] Preferably, the remote receiving system further includes a receiving display module, and the receiving processor is connected to the output of the receiving display module.

[0010] Preferably, the cab operating system includes a power supply, a cab power module, a cab parameter setting module, a cab display module, a cab processor, and a CAN bus interface; the power supply, the cab power module, and the cab processor are connected in sequence; the cab parameter setting module is connected to the cab processor for input; the cab processor is connected to the cab display module for output; and the cab processor is connected to the mine car preheating system via the CAN bus interface.

[0011] Preferably, the mine car preheating system includes a coolant heater, a fuel filter heater, a fuel line heater, a control valve block, an engine heat exchanger, a fuel tank heat exchanger, a cab heat exchanger, and a return water collector; the outlet of the coolant heater is connected to the engine heat exchanger, the fuel tank heat exchanger, and the cab heat exchanger respectively through the control valve block, and the engine heat exchanger, the fuel tank heat exchanger, and the cab heat exchanger are all connected to the inlet of the coolant heater through the return water collector; the fuel filter heater and the fuel line heater are respectively connected to the remote receiving system and the cab operating system.

[0012] Preferably, the coolant heater includes a coolant heating processor, a pump sensor, a boiler sensor, a heating boiler, and a circulation pump; the coolant heating processor is connected to the remote receiving system and the cab operating system respectively, and the pump sensor, the boiler sensor, the heating boiler, and the circulation pump are all connected to the coolant heating processor.

[0013] Preferably, the fuel filter heater includes a fuel filter heater and a temperature sensor, and the fuel line heater includes a fuel line heating wire and a temperature sensor.

[0014] This utility model also proposes a mining dump truck, including the mining dump truck remote control preheating device described in any of the above embodiments.

[0015] The beneficial effects of this utility model are as follows: Compared with the prior art, this application realizes remote control of the mine car preheating operation, allowing operators to start the preheating process without having to enter the cab in advance. After preheating is completed, the operator can directly start the preheated engine, avoiding the long low-temperature waiting process of tens of minutes in the traditional solution. The multi-terminal collaborative control mechanism ensures that preheating can still be completed through local operation in the event of communication failure or equipment malfunction, significantly improving system reliability. This hierarchical control architecture effectively solves the dual problems of low mine car starting efficiency and poor operating comfort in cold environments.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the mine car remote preheating and control system of this utility model; Figure 2 This is a schematic diagram of the remote control and remote receiving system of this utility model; Figure 3 This is a schematic diagram of the driver's cab operating system of this utility model; Figure 4 This is a schematic diagram of the mine car preheating system of this utility model; Figure 5 This is an assembly diagram of the mine car remote preheating and remote control system of this utility model; Figure 6 This is a schematic diagram of the handheld device (remote transmission system) of this utility model; Figure 7 This is a flowchart of the working process of the remote preheating and control system for mining trucks of this utility model.

[0018] Figure label: 1. Remote transmission system; 1-1. Transmission processor; 1-2. Transmission display module; 1-3. Transmission parameter setting module; 1-4. Transmission power supply module; 1-5. Transmission wireless transceiver module; 2. Remote receiving system; 2-1. Receiver wireless transceiver module; 2-2. Receiver power supply module; 2-3. Receiver parameter setting module; 2-4. Receiver display module; 2-5. Receiver processor; 3. Mine car preheating system; 3-1. Coolant heater; 3-1-1. Coolant heating processor; 3-1-2. Pump sensor; 3-1-3. Boiler sensor; 3-1-4. Heating boiler; 3-1-5. Circulation pump; 3-2. Fuel filter element heater; 3-2-1. Fuel filter heater; 3-2-2. Temperature sensor; 3-3. Fuel line heater; 3-3-1. Fuel line heating wire; 3-4. Control valve block; 3-5. Cab heat exchanger; 3-6. Fuel tank heat exchanger; 3-7. Engine heat exchanger; 3-8. Return water collector; 4. Cab operating system; 4-1. Cab parameter setting module; 4-2. Cab display module; 4-3. Power supply; 4-4. Cab power supply module; 4-5. Cab processor. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0021] The following is for reference. Figures 1 to 7 This invention describes a remote-controlled preheating device for a mining dump truck in an embodiment of the present invention.

[0022] This application discloses a remote control preheating device for a mining dump truck, comprising: a remote transmitting system 1, a remote receiving system 2, a cab operating system 4, and a mining truck preheating system 3; the remote transmitting system 1 is a handheld device used to transmit an oil preheater activation signal to the remote receiving system 2; the remote receiving system 2 is fixedly installed on the mining dump truck and connected to the mining truck preheating system 3, used to receive the preheater activation signal and control the mining truck preheating system 3 to operate according to the signal, or directly set parameters and control the mining truck preheating system 3 to operate; the cab operating system 4 is integrated on the mining dump truck and connected to the mining truck preheating system 3, and directly controls the mining truck preheating system 3 through the cab operating panel; the mining truck preheating system 3 is integrated on the mining dump truck and used to preheat the engine of the mining dump truck.

[0023] Among them, the remote transmission system 1 refers to a handheld terminal device with wireless communication capabilities, which overcomes physical space limitations, allowing operators to initiate the preheating process from a safe area. The remote receiving system 2 refers to a signal processing unit installed on the vehicle body, which establishes a communication link between the remote control signal and the vehicle's preheating system, while also providing local parameter setting functions. The cab operating system 4 refers to a control module integrated into the vehicle's control panel, which retains traditional operating methods and ensures that preheating control can still be completed in the event of a communication failure. The mine car preheating system 3 refers to an actuator containing multiple heating units, which directly heats key components such as engine oil and the cooling system.

[0024] Specifically, the device achieves flexible management of the preheating process through a hierarchical control architecture. After the handheld remote transmitting system 1 generates control commands, the onboard remote receiving system 2 analyzes the signals and drives the mine car preheating system 3 to perform heating operations via a bus protocol. When remote communication is blocked, the operator can directly control the preheating system through the local interface of the cab operating system 4. After receiving the commands, the mine car preheating system 3 automatically adjusts the heating power and duration according to preset parameters, while simultaneously feeding back the heating status to each control terminal in real time through temperature sensors 3-2-2. This multi-path control method ensures both the convenience of remote operation and provides emergency handling capabilities through the local operation module.

[0025] Compared to existing technologies, traditional solutions only support single-point control from the driver's cab, while this solution constructs a three-in-one control network by adding a remote transmitting and receiving system. In existing technologies, operators must board the vehicle to start the preheating process, while this solution allows operation from a safe distance, effectively avoiding safety hazards in low-temperature environments. Furthermore, existing technologies rely on internal vehicle wiring for control signal transmission; this solution combines wireless communication with bus transmission, enhancing the flexibility of system deployment.

[0026] Through the above technical solution, this application realizes remote control of the mine car preheating operation, allowing operators to start the preheating process without having to enter the cab in advance. After preheating is completed, operators can directly start the preheated engine, avoiding the long, tens of minutes of low-temperature waiting process in traditional solutions. The multi-terminal collaborative control mechanism ensures that preheating can still be completed locally in the event of communication failure or equipment malfunction, significantly improving system reliability. This hierarchical control architecture effectively solves the dual problems of low mine car starting efficiency and poor operating comfort in cold environments.

[0027] In some embodiments, for example Figure 2 As shown, the remote transmission system 1 includes a transmission power module 1-4, a transmission wireless transceiver module 1-5, a transmission parameter setting module 1-3, and a transmission processor 1-1. The transmission power module 1-4 is connected to the transmission wireless transceiver module 1-5 and the transmission processor 1-1 respectively. The transmission wireless transceiver module 1-5 and the transmission processor 1-1 are connected in a bidirectional transmission connection, and the transmission parameter setting module 1-3 is connected to the transmission processor 1-1 for input.

[0028] Among them, the transmitting power supply module 1-4 is a unit that provides independent power to the wireless transceiver module and the processor. This module provides a stable voltage output to the system through a voltage regulator circuit. The transmitting wireless transceiver module 1-5 is a communication unit that realizes the transmission and reception of wireless signals. The transmitting parameter setting module 1-3 is an interactive unit used for inputting control commands. The transmitting processor 1-1 is the core unit that performs logical operations and instruction processing.

[0029] Specifically, the transmitting power module 1-4 continuously supplies power to the wireless transceiver module and processor through a voltage conversion circuit, enabling the equipment to operate even without an external power supply 4-3. After receiving the heating parameters input by the user, the transmitting parameter setting module 1-3 transmits the data to the processor via a serial communication interface for format conversion and instruction encapsulation. The control commands generated by the processor are transmitted to the wireless transceiver module, modulated, and transmitted as radio frequency signals. Simultaneously, the wireless transceiver module receives status feedback signals from the mine car, demodulates them, and sends them back to the processor for analysis. The processing results are displayed in real time on the display unit. This two-way communication mechanism allows the operator to simultaneously obtain the operating status of the heating system and dynamically adjust the control parameters according to the actual working conditions.

[0030] Through the above technical solutions, this application achieves continuous and stable operation of the handheld device without external power supply, ensuring the effective coverage of the remote control signal. The two-way communication mechanism allows the operator to monitor the preheating system status in real time and adjust the control strategy accordingly, while the direct input method of the parameter setting module simplifies the operation process. The integrated design of each functional module improves equipment reliability and meets the operational needs of complex mining environments.

[0031] In some embodiments, for example Figure 2 As shown, the remote transmission system 1 also includes a transmission display module 1-2, and the transmission processor 1-1 is connected to the output of the transmission display module 1-2. The transmission display module 1-2 is a display unit used to visually present operating parameters and system status. Its function is to convert the heating target temperature, remaining heating time, real-time temperature data, and fault codes into readable information.

[0032] Specifically, when the user inputs the target temperature value through the parameter setting module, the transmitter processor 1-1 compares the received command parameters with the real-time data fed back by the temperature sensor 3-2-2, and the calculation result is transmitted to the transmitter display module 1-2 through the output connection. The display module shows the heating progress bar, temperature curve, and status indicator lights in a graphical interface. For example, when the fuel filter temperature is lower than the set threshold, the interface simultaneously displays a red warning sign. During the heating process, if the fuel line temperature sensor 3-2-2 detects an abnormal temperature rise, the processor immediately generates a fault code and triggers a flashing reminder through the display module. Operators can identify system abnormalities on their handheld terminals without the need for external equipment.

[0033] Through the above technical solution, this application realizes the visualization and synchronization of operation parameter settings and system status, enabling staff to monitor the heating progress and identify equipment faults in real time during remote operation, avoiding operation interruptions or safety hazards caused by information opacity, and reducing reliance on equipment in the cab or under the vehicle during operation.

[0034] In some embodiments, for example Figure 2 As shown, the remote receiving system 2 includes a receiving power module 2-2, a receiving wireless transceiver module 2-1, a receiving parameter setting module 2-3, a receiving processor 2-5, and a CAN bus interface. The receiving power module 2-2 is connected to the receiving wireless transceiver module 2-1 and the receiving processor 2-5 respectively. The receiving wireless transceiver module 2-1 and the receiving processor 2-5 are bidirectionally connected. The receiving parameter setting module 2-3 is connected to the receiving processor 2-5 via an input connection. The receiving processor 2-5 is bidirectionally connected to the mine car preheating system 3 through the CAN bus interface.

[0035] Among them, the receiving power module 2-2 is the module that provides an independent power supply to the remote receiving system 2, ensuring stable operation of the system under the vehicle. The receiving wireless transceiver module 2-1 is the communication unit that enables wireless signal interaction with the remote transmitting system 1, used to receive control commands from the handheld device and send status feedback. The receiving parameter setting module 2-3 is the input device that allows operators to directly input heating parameters under the vehicle. The receiving processor 2-5 is the core processing unit that parses the received signals and generates control commands. The CAN bus interface is the bidirectional communication channel connecting the mine car preheating system 3.

[0036] Specifically, when the operator inputs the target temperature or heating time through the parameter setting module 2-3, the processor converts the parameters into control commands and sends them to the mine car preheating system 3 via the CAN bus interface. Simultaneously, the mine car preheating system 3 collects real-time data through the temperature sensor 3-2-2 and transmits it back to the receiving processor 2-5 via the CAN bus. The processor synchronizes the data to the wireless transceiver module and feeds it back to the remote transmitting system 1. In the off-vehicle scenario, if the wireless signal is interfered with by environmental factors causing remote control failure, the operator can directly adjust the parameters through the parameter setting module 2-3. The processor generates control commands based on the local input and drives the heater to perform actions via the CAN bus, forming a closed-loop control system independent of remote signals.

[0037] Through the above technical solution, this application realizes real-time adjustment and status monitoring of heating parameters in the under-vehicle operation mode, utilizes the high reliability of the CAN bus to ensure accurate transmission of control commands and sensor data, and enhances the system's emergency control capability when wireless communication is blocked through the local parameter setting module, effectively improving the flexibility and safety of the preheating process.

[0038] In some embodiments, for example Figure 2 As shown, the remote receiving system 2 also includes a receiving display module 2-4, and a receiving processor 2-5 is connected to the output of the receiving display module 2-4. The receiving display module 2-4 is a visualization device used to display the operating status of the mine car preheating system 3.

[0039] Specifically, during the preheating process of the mine truck, the real-time data collected by the temperature sensor 3-2-2 is transmitted to the receiving processor 2-5 for analysis. The analyzed temperature value, preset parameter threshold, and system status code are sent to the receiving display module 2-4 through the output interface. For example, when the fuel filter temperature is lower than the set value, the display module can display a red warning sign and the specific temperature value; when an abnormal pressure is detected in the heating boiler 3-1-4, the display module can output a preset fault code E01. The operator under the truck can confirm the heating process status by observing the display interface without relying on the equipment in the cab, and directly operate the parameter setting module of the remote receiving system 2 to adjust the heating time or terminate abnormal operations based on the displayed information.

[0040] Through the above technical solution, this application enables operators under the vehicle to obtain real-time information on heating temperature, preset parameter execution status, and fault codes, avoiding misoperation or safety hazards caused by missing information. Operators can quickly adjust heating parameters or terminate abnormal processes based on real-time data provided by the display module, reducing the number of times they need to enter the cab to check the status, effectively improving operational efficiency and safety in low-temperature environments.

[0041] In some embodiments, for example Figure 3 As shown, the cab operating system 4 includes a power supply 4-3, a cab power module 4-4, a cab parameter setting module 4-1, a cab display module 4-2, a cab processor 4-5, and a CAN bus interface. The power supply 4-3, the cab power module 4-4, and the cab processor 4-5 are connected in sequence. The cab parameter setting module 4-1 is connected to the cab processor 4-5 for input. The cab processor 4-5 is connected to the cab display module 4-2 for output. The cab processor 4-5 is connected to the mine car preheating system 3 through the CAN bus interface.

[0042] Among them, the cab power module 4-4 is a module that provides independent power to the cab operating system 4, avoiding system power interruptions caused by fluctuations in the vehicle power supply 4-3 through the independent power supply path. The cab parameter setting module 4-1 is an input device for receiving operating commands, allowing direct adjustment of parameters such as heating temperature and time within the cab. The cab processor 4-5 is the core unit for control logic operations, responsible for receiving parameter setting signals and generating control commands.

[0043] Specifically, power supply 4-3 provides stable power to the processor through cab power module 4-4, preventing control failure due to fluctuations in the vehicle's power supply 4-3. Cab parameter setting module 4-1 directly transmits the heating parameters input by the operator to the processor. After parsing the instructions, the processor sends control signals to the mine car preheating system 3 via the CAN bus interface. Simultaneously, data from the temperature sensor 3-2-2 of the mine car preheating system 3 is transmitted back to the processor in real time via the CAN bus. The processor then parses the data and drives the cab display module 4-2 to update the temperature status and fault codes. This architecture creates a closed loop for the power supply, parameter input, data processing, and communication functions of the cab operating system 4, achieving both localized independent control and real-time data synchronization with the preheating system through the bus network.

[0044] Through the above technical solution, this application solves the control failure problem caused by unstable power supply when operating the preheating system in the cab, realizes flexible local adjustment of parameter settings, and improves the efficiency of temperature monitoring and command transmission through bus communication. The cab display module 4-2 provides real-time feedback on heating status and fault information, enabling operators to respond quickly to abnormal situations and enhancing the safety and reliability of system control.

[0045] In some embodiments, for example Figure 3 and Figure 4As shown, the mine car preheating system 3 includes a coolant heater 3-1, a fuel filter heater 3-2, a fuel line heater 3-3, a control valve block 3-4, an engine heat exchanger 3-7, a fuel tank heat exchanger 3-6, a cab heat exchanger 3-5, and a return water collector 3-8. The outlet of the coolant heater 3-1 is connected to the engine heat exchanger 3-7, the fuel tank heat exchanger 3-6, and the cab heat exchanger 3-5 respectively through the control valve block 3-4. The engine heat exchanger 3-7, the fuel tank heat exchanger 3-6, and the cab heat exchanger 3-5 are all connected to the inlet of the coolant heater 3-1 through the return water collector 3-8. The fuel filter heater 3-2 and the fuel line heater 3-3 are both connected to the remote receiving system 2 and the cab operating system 4 respectively.

[0046] Among them, the coolant heater 3-1 refers to a device that heats the coolant through electric heating elements or combustion heating, and is used to provide a heat source for the engine block, fuel tank, and cab. The control valve block 3-4 refers to a valve assembly with multi-channel fluid distribution function, used to control the flow rate of heated coolant to different heat exchangers. The return water collector 3-8 refers to a container that collects the coolant after heat exchange, used to recover the low-temperature coolant to the heater for reuse.

[0047] Specifically, the hot coolant generated by the coolant heater 3-1 is distributed via control valve block 3-4 to the engine heat exchanger 3-7, fuel tank heat exchanger 3-6, and cab heat exchanger 3-5, respectively heating the engine block, fuel tank, and cab. The coolant, having completed heat exchange, returns to the heater inlet via the return water collector 3-8, forming a closed-loop circulation. The fuel filter heater 3-2 directly heats the fuel filter to prevent wax buildup and blockage, while the fuel line heater 3-3 uses a wound heating wire to heat the fuel pipeline, ensuring fuel flowability.

[0048] Through the above technical solutions, this application achieves synchronous preheating of the engine cooling system, fuel system and cab environment, improves thermal energy utilization efficiency through closed-loop circulation, avoids local overheating or insufficient heating through temperature feedback mechanism, and ensures overall temperature uniformity before engine start-up in low-temperature environments.

[0049] In some embodiments, for example Figure 4 As shown, the coolant heater 3-1 includes a coolant heating processor 3-1-1, a pump sensor 3-1-2, a boiler sensor 3-1-3, a heating boiler 3-1-4, and a circulation pump 3-1-5. The coolant heating processor 3-1-1 is connected to the remote receiving system 2 and the cab operating system 4, respectively. The pump sensor 3-1-2, the boiler sensor 3-1-3, the heating boiler 3-1-4, and the circulation pump 3-1-5 are all connected to the coolant heating processor 3-1-1.

[0050] The coolant heating processor 3-1-1 is the core control unit that receives control commands and coordinates the operation of the heating boiler 3-1-4 and the circulating pump 3-1-5. It connects to the remote receiving system 2 and the cab operating system 4 via a data interface to achieve multi-terminal collaborative control. The pump sensor 3-1-2 is a detection device that monitors the operating status of the circulating pump 3-1-5, collecting its flow and pressure parameters in real time to provide a data basis for closed-loop control. The boiler sensor 3-1-3 is a detection device that monitors the temperature status of the heating boiler 3-1-4, providing real-time feedback on its operating temperature. The heating boiler 3-1-4 is an actuator that converts electrical or fuel energy into heat energy, heating the coolant through heat exchange. The circulating pump 3-1-5 is a power unit that drives the coolant to flow in the heating circuit, adjusting its flow rate and speed according to the processor's commands.

[0051] Specifically, after receiving a start command from the remote receiving system 2 or the cab operating system 4, the coolant heating processor 3-1-1 first obtains the initial temperature data of the heating boiler 3-1-4 through the boiler sensor 3-1-3. If the temperature is lower than a preset safety threshold, it sends a power-on command to the heating boiler 3-1-4 to start the heating process. Simultaneously, the circulating pump 3-1-5 starts operating under the processor's control. The pump sensor 3-1-2 monitors its output pressure and flow parameters in real time and feeds the data back to the processor to form a closed-loop control. When the boiler sensor 3-1-3 detects that the heating temperature has reached the set value, the processor automatically cuts off the power supply 4-3 to the heating boiler 3-1-4 and maintains the operation of the circulating pump 3-1-5, allowing the coolant to circulate and dissipate heat between the engine heat exchanger 3-7, the fuel tank heat exchanger 3-6, and the cab heat exchanger 3-5. If the pump sensor 3-1-2 detects abnormal flow or pressure fluctuations exceeding the threshold, the processor immediately triggers a protection mechanism to suspend the operation of the heating boiler 3-1-4 and simultaneously sends a fault code to the operating terminal through the display module.

[0052] Through the above technical solution, this application achieves precise temperature control and dynamic flow regulation in the coolant heating process, avoiding the risk of equipment damage due to localized overheating. Furthermore, the compatible design with multi-terminal operation permissions allows operators to flexibly choose remote or local control modes according to site conditions, improving the system's adaptability to complex operating conditions. The closed-loop feedback mechanism effectively prevents malfunctions such as the circulating pump 3-1-5 running dry or the heating boiler 3-1-4 overloading, ensuring the safety and stability of the heating process.

[0053] In some embodiments, for example Figure 4As shown, the fuel filter heater 3-2 includes a fuel filter heater 3-2-1 and a temperature sensor 3-2-2, and the fuel line heater 3-3 includes a fuel line heating wire 3-3-1 and a temperature sensor 3-2-2. The fuel filter heater 3-2-1 is a heating device that directly acts on the fuel filter. The fuel line heating wire 3-3-1 is a linear heating element arranged axially along the fuel line. The temperature sensor 3-2-2 synchronously transmits temperature data from each area to the remote receiving system 2 and the cab operating system 4, triggering the heater to stop working when the detected temperature reaches a set threshold.

[0054] Specifically, the fuel filter heater 3-2-1 and temperature sensor 3-2-2 constitute an independent temperature control unit. When the filter element temperature is detected to be lower than the set threshold, the heater starts until the temperature reaches the target value. The fuel line heating wire 3-3-1 and temperature sensor 3-2-2 form a segmented temperature control loop, dynamically adjusting the heating power based on temperature feedback from different sections of the pipeline. During the fuel filter element heating process 3-2, the data from temperature sensor 3-2-2 is transmitted to the control module via the CAN bus. When abnormal temperature fluctuations are detected, the heater power supply 4-3 is immediately cut off. During the fuel line heating process 3-3, the heating wire is powered by pulse width modulation, combined with the feedback from temperature sensor 3-2-2 to achieve constant temperature control, avoiding local overheating that could lead to fuel carbonization.

[0055] This utility model also proposes a mining dump truck, including the remote-controlled preheating device for mining dump trucks described in any of the above embodiments. By setting the remote-controlled preheating device for mining dump trucks in the above embodiments, this application effectively shortens the start-up preparation time of mining dump trucks in low-temperature environments, ensuring that the engine has reached a startable temperature when the operator enters the cab. The multi-terminal control system eliminates the spatial limitations of traditional preheating operations; when a risk of wax buildup in the fuel line is detected, the operator can directly stop the heating process from a safe distance. The integrated temperature monitoring system, through cross-verification of multi-point sensor data, avoids misjudgments caused by the failure of a single sensor, ensuring the safety and reliability of the preheating process.

[0056] The remote control preheating device for mining dump trucks and other components and operations of mining dump trucks according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0057] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0058] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A remote-controlled preheating device for mining dump trucks, characterized in that, include: Remote transmission system, remote receiving system, cab operating system, and mine car preheating system; The remote transmission system is a handheld device used to transmit the oil preheater operation signal to the remote receiving system; The remote receiving system is fixedly installed on the mining dump truck and connected to the mining truck preheating system. It is used to receive the preheater action signal and control the mining truck preheating system to act according to the signal, or to directly set parameters and control the mining truck preheating system to act. The cab operating system is integrated into the mining dump truck and connected to the mining truck preheating system, and the mining truck preheating system is directly controlled through the cab control panel. The mine truck preheating system is integrated into the mine dump truck and is used to preheat the engine of the mine dump truck.

2. The remote-controlled preheating device for mining dump trucks according to claim 1, characterized in that, The remote transmission system includes a transmission power module, a transmission wireless transceiver module, a transmission parameter setting module, and a transmission processor; the transmission power module is connected to both the transmission wireless transceiver module and the transmission processor, the transmission wireless transceiver module is bidirectionally transmitted to the transmission processor, and the transmission parameter setting module is input connected to the transmission processor.

3. The remote-controlled preheating device for mining dump trucks according to claim 2, characterized in that, The remote transmission system also includes a transmission display module, and the transmission processor is connected to the output of the transmission display module.

4. The remote-controlled preheating device for mining dump trucks according to claim 1, characterized in that, The remote receiving system includes a receiving power module, a receiving wireless transceiver module, a receiving parameter setting module, a receiving processor, and a CAN bus interface. The receiving power module is connected to the receiving wireless transceiver module and the receiving processor respectively. The receiving wireless transceiver module is bidirectionally connected to the receiving processor. The receiving parameter setting module is input connected to the receiving processor. The receiving processor is bidirectionally connected to the mine car preheating system through the CAN bus interface.

5. The remote-controlled preheating device for mining dump trucks according to claim 4, characterized in that, The remote receiving system also includes a receiving display module, and the receiving processor is connected to the output of the receiving display module.

6. The remote-controlled preheating device for mining dump trucks according to claim 1, characterized in that, The cab operating system includes a power supply, a cab power module, a cab parameter setting module, a cab display module, a cab processor, and a CAN bus interface; The power supply, the cab power module, and the cab processor are connected in sequence. The cab parameter setting module is connected to the cab processor for input. The cab processor is connected to the cab display module for output. The cab processor is connected to the mine car preheating system via a CAN bus interface.

7. The remote-controlled preheating device for mining dump trucks according to claim 6, characterized in that, The mine car preheating system includes a coolant heater, a fuel filter heater, a fuel line heater, a control valve block, an engine heat exchanger, a fuel tank heat exchanger, a cab heat exchanger, and a return water collector. The outlet of the coolant heater is connected to the engine heat exchanger, the fuel tank heat exchanger, and the cab heat exchanger via the control valve block. The engine heat exchanger, the fuel tank heat exchanger, and the cab heat exchanger are all connected to the inlet of the coolant heater via the return water collector. The fuel filter heater and the fuel line heater are connected to the remote receiving system and the cab operating system, respectively.

8. The remote-controlled preheating device for mining dump trucks according to claim 7, characterized in that, The coolant heater includes a coolant heating processor, a pump sensor, a boiler sensor, a heating boiler, and a circulation pump; the coolant heating processor is connected to the remote receiving system and the cab operating system, respectively, and the pump sensor, the boiler sensor, the heating boiler, and the circulation pump are all connected to the coolant heating processor.

9. The remote-controlled preheating device for mining dump trucks according to claim 7, characterized in that, The fuel filter heater includes a fuel filter heater and a temperature sensor, and the fuel line heater includes a fuel line heating wire and a temperature sensor.

10. A mining dump truck, characterized in that, The remote-controlled preheating device for mining dump trucks includes any one of claims 1-9.

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