Control method for mixer truck, processor, and mixer truck

Abstract

Disclosed in the present application are a control method for a mixer truck, a processor and a mixer truck, belonging to the technical field of mixer trucks. The control method comprises: when an engine is started, acquiring the remaining battery level of a high-voltage battery pack, the current rotating speed of the engine and the current working state of a mixer truck; determining the battery level interval in which the remaining battery level is in; on the basis of the battery level interval, a preset fuel economical rotating speed interval, the current rotating speed and the current working state, determining an output power of a generator; and controlling the generator to work according to the output power, so as to charge the high-voltage battery pack by the generator. The present application can determine the output power of the generator in real time on the basis of the battery level interval, the preset fuel economical rotating speed interval, the current rotating speed and the current working state, thereby reducing oil consumption of the mixer truck and reducing the use cost of the mixer truck.

Description

Control methods, processors, and mixer trucks for use in concrete mixer trucks

[0001] Cross-references to related applications

[0002] This application claims the benefit of Chinese Patent Application No. 202410554878.3, filed on May 7, 2024, the contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of concrete mixer truck technology, and more specifically to a control method, processor and concrete mixer truck for concrete mixer trucks. Background Technology

[0004] Fuel-fired concrete mixer trucks use an engine to rotate the hydraulic system and reducer, which in turn drives the mixing drum. Because of the long waiting times at the mixing plant and unloading site, the engine needs to be started to rotate the drum to prevent the concrete from solidifying, resulting in high fuel consumption. Pure electric concrete mixer trucks are expensive, have short driving ranges, are unsuitable for long-term operation, and require multiple charging cycles during operation, consuming a significant amount of electricity. Therefore, existing concrete mixer trucks suffer from high operating costs. Summary of the Invention

[0005] The purpose of this application is to provide a control method, processor, and mixer truck for use in order to solve the problem of high operating costs of mixer trucks in the prior art.

[0006] To achieve the above objectives, a first aspect of this application provides a control method for a mixer truck, the mixer truck including a high-voltage battery pack, an engine, and a generator, the control method comprising:

[0007] With the engine running, obtain the remaining power of the high-voltage battery pack, the current engine speed, and the current operating status of the mixer truck.

[0008] Determine the remaining battery level range;

[0009] The generator's output power is determined based on the power range, the preset fuel-efficient speed range, the current speed, and the current operating status.

[0010] The generator is controlled to operate at its output power so that it can charge the high-voltage battery pack.

[0011] In this embodiment of the application, the current working state includes the driving state, and the power range includes the first power range. The generator output power is determined based on the power range, the preset fuel economy speed range, the current speed, and the current working state, including: when the current working state is the driving state and the power range is the first power range, determining whether the current speed is within the preset fuel economy speed range; and when the current speed is within the preset fuel economy speed range, determining the generator output power as the first output power.

[0012] In this embodiment of the application, the control method further includes: when the current speed is not in the preset fuel economy speed range, determining the output power of the generator as the second output power, wherein the second output power is less than the first output power.

[0013] In this embodiment of the application, the power range also includes a second power range. The generator output power is determined based on the power range, the preset fuel economy speed range, the current speed, and the current operating state. This includes: when the current operating state is driving and the power range is the second power range, determining whether the current speed is within the preset fuel economy speed range; and when the current speed is within the preset fuel economy speed range, determining the generator output power as the second output power.

[0014] In this embodiment of the application, the control method further includes: when the current speed is not in the preset fuel economy speed range, determining the output power of the generator as the third output power, wherein the third output power is less than the second output power.

[0015] In this embodiment of the application, the power range also includes a third power range, and the control method further includes: when the current working state is driving state and the power range is the third power range, controlling the generator to stop outputting power.

[0016] In this embodiment, the mixer further includes a remote throttle. The current operating state includes an idling state, and the power range includes a fourth power range. The generator output power is determined based on the power range, a preset fuel-efficient speed range, the current speed, and the current operating state. This includes: when the current operating state is idling, the power range is the fourth power range, and the remote throttle is on, adjusting the current speed to make it fall within the preset fuel-efficient speed range, and determining the generator output power as a first output power; when the current operating state is idling, the power range is the fourth power range, and the remote throttle is closed, determining the generator output power as a fourth output power; wherein the fourth output power is less than the first output power.

[0017] In this embodiment of the application, the power range also includes a fifth power range, and the control method further includes: when the current working state is idling and the power range is the fifth power range, controlling the engine to shut down and controlling the generator to stop outputting power.

[0018] A second aspect of this application provides a processor configured to execute the control method for a mixer truck described above.

[0019] A third aspect of this application provides a mixer truck, including: a high-voltage battery pack; an engine; a generator; and a processor.

[0020] The aforementioned technical solution, when the engine is running, acquires the remaining charge of the high-voltage battery pack, the current engine speed, and the current operating state of the mixer truck. It then determines the charge range within which the remaining charge falls, and based on this range, a preset fuel-efficient speed range, the current speed, and the current operating state, determines the generator's output power. Finally, it controls the generator to operate at the specified output power to charge the high-voltage battery pack. This application determines the generator's output power in real-time based on the charge range, the preset fuel-efficient speed range, the current speed, and the current operating state. This allows for a reduction in generator output power when the mixer truck's fuel consumption is high and the high-voltage battery pack has sufficient remaining charge, and an increase in generator output power when fuel consumption is low and the high-voltage battery pack has insufficient remaining charge. This reduces the mixer truck's fuel consumption and lowers its operating costs.

[0021] Other features and advantages of the embodiments of this application will be described in detail in the following detailed description section. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the embodiments of this application and form part of the specification. They are used together with the following detailed description to explain the embodiments of this application, but do not constitute a limitation on the embodiments of this application. In the drawings:

[0023] Figure 1 schematically illustrates a flow chart of a control method for a mixer truck according to an embodiment of this application;

[0024] Figure 2 schematically illustrates the structure of a mixer truck according to an embodiment of this application.

[0025] In the diagram: 1. Display screen; 2. Transfer case; 3. Motor; 4. Control panel; 5. Remote control transceiver; 6. Controller; 7. Generator; 8. Low-voltage converter; 9. Generator controller; 10. Motor driver; 11. Thermal manager; 12. Chassis; 13. Low-voltage battery; 14. High-voltage battery pack. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only for illustration and explanation of the embodiments of this application and are not intended to limit the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0027] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0028] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0029] Figure 1 schematically illustrates a flow chart of a control method for a concrete mixer truck according to an embodiment of this application. As shown in Figure 1, this application provides a control method for a concrete mixer truck, which includes a high-voltage battery pack, an engine, and a generator. Taking the application of this method to a processor as an example, the control method may include the following steps:

[0030] Step S101: With the engine running, obtain the remaining power of the high-voltage battery pack, the current engine speed, and the current operating status of the mixer truck.

[0031] Step S102: Determine the remaining battery level range.

[0032] Step S103: Determine the generator's output power based on the power range, the preset fuel economy speed range, the current speed, and the current operating status.

[0033] Step S104: Control the generator to operate according to the output power so that the generator can charge the high-voltage battery pack.

[0034] To prevent concrete from solidifying inside the mixing drum, existing mixer trucks require continuous engine operation to rotate the drum, resulting in high fuel consumption and significant noise. Pure electric mixer trucks have a short driving range, making it difficult to guarantee sufficient power to drive the motor and drum during operation. To address this issue, in this embodiment, when the engine is running, the processor can acquire the remaining charge of the high-voltage battery pack, the current engine speed, and the current operating state of the mixer truck. The current operating state includes driving and idling states, with different charge intervals for each state. Specifically, the charge intervals in driving state can be divided into a first, second, and third charge interval, while those in idling state can be divided into a fourth and fifth charge interval. The processor can then further combine the current operating state and remaining charge to determine the charge interval containing the remaining charge. The processor pre-stores an engine speed characteristic curve determined based on the engine's structural characteristics. The engine speed characteristic curve is a functional relationship curve between the engine crankshaft speed and the engine's output power, torque, and unit fuel consumption. Based on the engine speed characteristic curve, the processor can determine the engine speed range with lower fuel consumption, i.e., the preset fuel-efficient speed range. Subsequently, based on the battery level range, the preset fuel-efficient speed range, the current speed, and the current operating state, the processor can determine the generator's output power and send a power output command to the generator controller to control the generator to operate at the output power. The generator charges the high-voltage battery pack, ensuring that the high-voltage battery pack has sufficient electrical energy to supply the motor driver while reducing the mixer truck's fuel consumption, thus achieving the goal of fuel saving and cost reduction.

[0035] The aforementioned technical solution, when the engine is running, acquires the remaining charge of the high-voltage battery pack, the current engine speed, and the current operating state of the mixer truck. It then determines the charge range within which the remaining charge falls, and based on this range, a preset fuel-efficient speed range, the current speed, and the current operating state, determines the generator's output power. Finally, it controls the generator to operate at the specified output power to charge the high-voltage battery pack. This application determines the generator's output power in real-time based on the charge range, the preset fuel-efficient speed range, the current speed, and the current operating state. This allows for a reduction in generator output power when the mixer truck's fuel consumption is high and the high-voltage battery pack has sufficient remaining charge, and an increase in generator output power when fuel consumption is low and the high-voltage battery pack has insufficient remaining charge. This reduces the mixer truck's fuel consumption and lowers its operating costs.

[0036] In this embodiment of the application, the current working state may include the driving state, the power range may include the first power range, and the generator output power is determined based on the power range, the preset fuel economy speed range, the current speed and the current working state. This may include: when the current working state is the driving state and the power range is the first power range, determining whether the current speed is within the preset fuel economy speed range; and when the current speed is within the preset fuel economy speed range, determining the generator output power as the first output power.

[0037] Specifically, when the current operating state is determined to be driving and the battery level is within the first battery level range, the processor can determine whether the current engine speed is within the preset fuel-efficient speed range. If the current engine speed is within the preset fuel-efficient speed range, fuel consumption is low and the remaining charge of the high-voltage battery pack is low. The generator can output a larger power to charge the high-voltage battery pack. Therefore, the processor can determine the generator's output power as the first output power and then send a corresponding power output command to the generator controller to control the generator to operate according to the first output power, which can be determined according to the actual situation.

[0038] In this embodiment of the application, the control method may further include: when the current speed is not within a preset fuel-efficient speed range, determining the generator output power as a second output power, wherein the second output power is less than the first output power.

[0039] Specifically, if the current operating state is determined to be driving and the battery level is within the first battery level range, the processor can determine whether the current engine speed is within the preset fuel-efficient speed range. If the current engine speed is not within the preset fuel-efficient speed range, fuel consumption is high and the remaining charge of the high-voltage battery pack is low. To reduce the fuel consumption of the generator while ensuring that the high-voltage battery pack can provide sufficient power to the motor driver, the processor can determine the generator's output power as the second output power. The second output power is determined based on the actual situation, and the second output power must be less than the first output power.

[0040] In this embodiment of the application, the power range may further include a second power range. Determining the generator's output power based on the power range, the preset fuel economy speed range, the current speed, and the current operating state may include: when the current operating state is driving and the power range is the second power range, determining whether the current speed is within the preset fuel economy speed range; and when the current speed is within the preset fuel economy speed range, determining the generator's output power as the second output power.

[0041] Specifically, when the current operating state is determined to be driving and the battery level is within the second battery level range, the remaining charge of the high-voltage battery pack is higher than that within the first battery level range. The processor can determine whether the current engine speed is within the preset fuel-efficient speed range. If the current engine speed is within the preset fuel-efficient speed range, fuel consumption is low and the remaining charge of the high-voltage battery pack is high. To reduce the fuel consumption of the generator while ensuring that the high-voltage battery pack can provide sufficient electrical energy to the motor driver, the processor can determine the generator's output power as the second output power.

[0042] In this embodiment of the application, the control method may further include: when the current speed is not within the preset fuel economy speed range, determining the output power of the generator as a third output power, wherein the third output power is less than the second output power.

[0043] Specifically, when the current operating state is determined to be driving and the battery level is in the second range, the remaining charge of the high-voltage battery pack is higher than that in the first range. The processor can determine whether the current engine speed is within the preset fuel-efficient speed range. If the current engine speed is not within the preset fuel-efficient speed range, fuel consumption is high and the remaining charge of the high-voltage battery pack is high. Therefore, to reduce the fuel consumption of the generator, the processor can determine the generator's output power as the third output power to reduce the fuel consumption of the mixer truck. The third output power is determined based on the actual situation and must be lower than the second output power.

[0044] In this embodiment of the application, the power range may further include a third power range, and the control method may further include: when the current working state is driving state and the power range is the third power range, controlling the generator to stop outputting power.

[0045] Specifically, when the current working state is driving and the battery level is in the third battery level range, the high-voltage battery pack has a high remaining charge and sufficient power to output to the motor driver. At this time, the processor can control the generator to stop working in order to reduce the fuel consumption of the mixer truck.

[0046] It should be noted that when the mixer truck is in motion, if it brakes, the mixer truck can activate energy recovery to reverse charge the high-voltage battery pack, thereby realizing the recovery and utilization of braking energy.

[0047] In this embodiment, the mixer may further include a remote throttle, the current operating state may include an idling state, the power range may include a fourth power range, and the generator output power is determined based on the power range, a preset fuel-efficient speed range, the current speed, and the current operating state. This may include: when the current operating state is idling, the power range is the fourth power range, and the remote throttle is on, adjusting the current speed to make the current speed fall within the preset fuel-efficient speed range, and determining the generator output power as a first output power; when the current operating state is idling, the power range is the fourth power range, and the remote throttle is closed, determining the generator output power as a fourth output power; wherein the fourth output power is less than the first output power.

[0048] It should be noted that the battery charge range in idling mode differs from that in driving mode. This means that the first, second, and third battery charge ranges in driving mode may overlap with the fourth and fifth battery charge ranges in idling mode. The specific range needs to be determined based on actual operating conditions. Specifically, the remote throttle is a throttle that controls auxiliary functions related to engine speed. When the current operating state is idling, the battery charge range is the fourth range, and the remote throttle is on, the mixer truck's fuel consumption is low, and the remaining charge in the high-voltage battery pack is low. Because the remote throttle is on, the processor can adjust the engine's current speed to a preset fuel-efficient speed range and determine the generator's output power as the first output power. When the remote throttle is off, the processor does not need to adjust the engine's current speed, and the engine's current speed is not within the preset fuel-efficient speed range. Therefore, the mixer truck's fuel consumption is higher than when the remote throttle is on. In this case, the processor can determine the generator's output power as the fourth output power. The fourth output power is determined based on actual conditions and must be less than the third output power. Understandably, if the fourth output power is less than the third output power, then the fourth output power must be less than the first output power.

[0049] In this embodiment of the application, the power range also includes a fifth power range. The control method may further include: when the current working state is idling and the power range is the fifth power range, controlling the engine to shut off and controlling the generator to stop outputting power.

[0050] Specifically, when the battery level is in the fifth range, the remaining charge of the high-voltage battery pack is higher than that in the fourth range. Since the mixer truck is idling and has no driving requirement, and the high-voltage battery pack has a high remaining charge, the processor can control the engine to shut down and the generator to stop outputting power, thereby reducing the mixer truck's fuel consumption.

[0051] In summary, compared with the prior art, the technical solution provided in this application has the following advantages:

[0052] 1) This application determines the generator's output power in real time based on the power range, the preset fuel-efficient speed range, the current speed, and the current working status, which can reduce the fuel consumption of the mixer truck, lower the operating cost of the mixer truck, and improve construction efficiency.

[0053] 2) The high-voltage battery pack of this application can be charged by a charging pile or by a generator, which effectively reduces the risk of the high-voltage battery pack running out of power.

[0054] 3) The stirring drum is driven by electricity, which has a fast response speed and high control precision, and can ensure the stability of the stirring drum speed.

[0055] This application also provides a processor configured to execute the above-described control method for a mixer truck.

[0056] Specifically, in this embodiment, the processor can be configured to: when the engine is running, acquire the remaining charge of the high-voltage battery pack, the current speed of the engine, and the current operating state of the mixer truck; determine the charge range of the remaining charge; determine the output power of the generator based on the charge range, a preset fuel-efficient speed range, the current speed, and the current operating state; and control the generator to operate according to the output power so as to charge the high-voltage battery pack.

[0057] In one embodiment, the processor is further configured to: determine whether the current speed is within a preset fuel-efficient speed range when the current operating state is driving and the battery level is within a first battery level range; and determine the generator's output power as a first output power when the current speed is within the preset fuel-efficient speed range.

[0058] In one embodiment, the processor is further configured to: determine the generator's output power as a second output power when the current speed is not within a preset fuel-efficient speed range, wherein the second output power is less than the first output power.

[0059] In one embodiment, the processor is further configured to: determine whether the current speed is within a preset fuel-efficient speed range when the current operating state is driving and the battery level is within a second battery level range; and determine the generator's output power as the second output power when the current speed is within the preset fuel-efficient speed range.

[0060] In one embodiment, the processor is further configured to: determine the generator's output power as a third output power when the current speed is not within a preset fuel-efficient speed range, wherein the third output power is less than the second output power.

[0061] In one embodiment, the processor is further configured to control the generator to stop outputting power when the current operating state is driving and the power range is the third power range.

[0062] In one embodiment, the processor is further configured to: when the current operating state is idling, the battery level is in the fourth battery level range, and the remote throttle is on, adjust the current speed to make the current speed fall within a preset fuel-efficient speed range, and determine the generator's output power as a first output power; when the current operating state is idling, the battery level is in the fourth battery level range, and the remote throttle is on, determine the generator's output power as a fourth output power; wherein the fourth output power is less than the first output power.

[0063] In one embodiment, the processor is further configured to: control the engine to shut down and control the generator to stop outputting power when the current operating state is idling and the power range is the fifth power range.

[0064] The aforementioned technical solution, when the engine is running, acquires the remaining charge of the high-voltage battery pack, the current engine speed, and the current operating state of the mixer truck. It then determines the charge range within which the remaining charge falls, and based on this range, a preset fuel-efficient speed range, the current speed, and the current operating state, determines the generator's output power. Finally, it controls the generator to operate at the specified output power to charge the high-voltage battery pack. This application determines the generator's output power in real-time based on the charge range, the preset fuel-efficient speed range, the current speed, and the current operating state. This allows for a reduction in generator output power when the mixer truck's fuel consumption is high and the high-voltage battery pack has sufficient remaining charge, and an increase in generator output power when fuel consumption is low and the high-voltage battery pack has insufficient remaining charge. This reduces the mixer truck's fuel consumption and lowers its operating costs.

[0065] Figure 2 schematically illustrates the structure of a mixer truck according to an embodiment of this application. As shown in Figure 2, this application embodiment also provides a mixer truck, which may include: a high-voltage battery pack 14; an engine; a generator 7; and a processor.

[0066] Specifically, the mixer truck includes a display screen 1, a transfer case 2, a motor 3, an operation panel 4, a remote control transceiver 5, a controller 6, a generator 7, a low-voltage converter 8, a generator controller 9, a motor driver 10, a thermal manager 11, a chassis 12, a low-voltage battery 13, and a high-voltage battery pack 14. The controller 6 includes a processor and a memory. When the chassis key switch is in the "on" position, the controller 6 wakes up the display screen 1, the low-voltage converter 8, the generator controller 9, the motor driver 10, the thermal manager 11, and the high-voltage battery pack 14. After waking up, the low-voltage converter 8, the generator controller 9, the motor driver 10, the thermal manager 11, and the high-voltage battery pack 14 perform self-tests, while simultaneously displaying their self-test status and parameters on the display screen 1. Thus, the controller 6, communicating with the display screen 1, can diagnose faults and output troubleshooting methods based on the self-test status and parameters.

[0067] The display screen 1, operation panel 4, and remote control transceiver 5 can all control the start and stop of the mixing drum, and also adjust its rotation speed, enabling mixing operations without fuel consumption even when the engine of chassis 12 is not running. The high-voltage battery pack 14 is an energy storage device including a battery and battery management system. It can be charged via a high-voltage charging gun or the generator 7, supplying power to the motor drive 10 to drive the motor 3 and rotate the mixing drum. The transfer case 2 is a power switching actuator, allowing power to be switched in case of a motor drive 10 failure, with the chassis 12's engine driving the mixing drum. The generator controller 9 controls the generator 7 to operate at the output power determined by the controller 6, thereby charging the high-voltage battery pack 14. The low-voltage converter 8 can obtain electrical energy from the high-voltage battery pack 14 to charge the low-voltage battery 13. The low-voltage battery 13 can power the low-power subsystems of the mixer truck.

[0068] The heat manager 11 can function as a cooling device for the mixer truck cab, or it can dissipate heat based on the temperatures of the motor 3, motor driver 10, engine 7, and generator controller 9. In one example, if the temperature of any one of these devices reaches a first preset temperature, the heat manager 11 activates and adjusts the temperature at the first cooling level, i.e., cooling is achieved solely through a water pump. If the temperature of any one of these devices reaches a second preset temperature, the heat manager 11 adjusts the temperature at the second cooling level, i.e., cooling is achieved through a cooling fan and a water pump. If the temperature of any one of these devices reaches a third preset temperature, the heat manager 11 adjusts the temperature at the third cooling level, i.e., cooling is achieved through a cooling fan and a water pump, where the power of the cooling fan is higher than that of the cooling fan in the second cooling level. If the temperature of any one of the following devices—motor 3, motor driver 10, engine 7, and generator controller 9—reaches the fourth preset temperature, then the heat manager 11 adjusts the temperature at the fourth cooling level, i.e., cools down using an air conditioner. The first preset temperature is lower than the second preset temperature, the second preset temperature is lower than the third preset temperature, and the third preset temperature is lower than the fourth preset temperature. Alternatively, a radiator can be used to replace the heat manager 11.

[0069] This application also provides a machine-readable storage medium storing instructions for causing a machine to perform the aforementioned control method for a mixer truck.

[0070] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0071] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in one or more flowchart illustrations and / or one or more block diagrams.

[0072] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means that implement the functions specified in one or more flowcharts and / or one or more block diagrams.

[0073] These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process, such that the instructions, which execute on the computer or other programmable apparatus, provide steps for implementing the functions specified in one or more flowcharts and / or one or more block diagrams.

[0074] In a typical configuration, a computing device includes one or more processors (CPU), input / output interfaces, network interfaces, and memory.

[0075] Memory may include non-persistent memory in computer-readable media, such as random access memory (RAM) and / or non-volatile memory, like read-only memory (ROM) or flash RAM. Memory is an example of computer-readable media.

[0076] Computer-readable media includes both permanent and non-permanent, removable and non-removable media that can store information using any method or technology. Information can be computer-readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transferable medium that can be used to store information accessible by a computing device. As defined herein, computer-readable media does not include transient computer-readable media, such as modulated data signals and carrier waves.

[0077] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0078] The above are merely embodiments of this application and are not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A control method for a mixer truck, characterized in that, The mixer truck includes a high-voltage battery pack, an engine, and a generator, and the control method includes: When the engine is running, the remaining charge of the high-voltage battery pack, the current speed of the engine, and the current operating status of the mixer truck are obtained. Determine the range of remaining battery power; The output power of the generator is determined based on the power range, the preset fuel economy speed range, the current speed, and the current operating state. The generator is controlled to operate at the output power so that it can charge the high-voltage battery pack.

2. The control method according to claim 1, characterized in that, The current operating state includes driving state, the battery level range includes a first battery level range, and determining the generator's output power based on the battery level range, a preset fuel economy speed range, the current speed, and the current operating state includes: When the current working state is driving and the battery level is the first battery level range, it is determined whether the current engine speed is within the preset fuel economy engine speed range; When the current speed is within the preset fuel-efficient speed range, the output power of the generator is determined to be the first output power.

3. The control method according to claim 2, characterized in that, The control method further includes: If the current speed is not within the preset fuel-efficient speed range, the output power of the generator is determined to be the second output power, wherein the second output power is less than the first output power.

4. The control method according to claim 2, characterized in that, The power range also includes a second power range. Determining the generator's output power based on the power range, a preset fuel-efficient speed range, the current speed, and the current operating state includes: When the current working state is driving and the battery level is the second battery level range, determine whether the current engine speed is within the preset fuel economy speed range; When the current speed is within the preset fuel-efficient speed range, the output power of the generator is determined to be the second output power.

5. The control method according to claim 4, characterized in that, The control method further includes: If the current speed is not within the preset fuel-efficient speed range, the output power of the generator is determined to be the third output power, wherein the third output power is less than the second output power.

6. The control method according to claim 2, characterized in that, The power range also includes a third power range, and the control method further includes: When the current operating state is driving and the power range is the third power range, the generator is controlled to stop outputting power.

7. The control method according to claim 1, characterized in that, The mixer also includes a remote throttle, the current operating state includes an idling state, the power range includes a fourth power range, and determining the generator's output power based on the power range, a preset fuel economy speed range, the current speed, and the current operating state includes: When the current working state is idling, the power range is the fourth power range, and the remote throttle is on, the current speed is adjusted so that the current speed is within the preset fuel economy speed range, and the output power of the generator is determined to be the first output power; When the current operating state is idling, the power range is the fourth power range, and the remote throttle is closed, the output power of the generator is determined to be the fourth output power. The fourth output power is less than the first output power.

8. The control method according to claim 7, characterized in that, The power range also includes a fifth power range, and the control method further includes: When the current operating state is idling and the power range is the fifth power range, the engine is shut down and the generator stops outputting power.

9. A processor, characterized in that, It is configured to perform the control method for a mixer truck according to any one of claims 1 to 8.

10. A mixer truck, characterized in that, include: High-voltage battery pack; engine; dynamo; as well as The processor according to claim 9.

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