CN118107340A

CN118107340A - Heating control method and device and vehicle

Info

Publication number: CN118107340A
Application number: CN202211530407.6A
Authority: CN
Inventors: 陈志乐; 王吉全; 许伯良; 王春生; 陈利飞
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2024-05-31

Abstract

The embodiment of the invention discloses a heating control method and device and a vehicle. The heating control method comprises the following steps: receiving a heating instruction; responding to the heating instruction, and acquiring the ambient temperature and the actual water temperature of the engine; and setting a first engine operation requirement according to the actual water temperature of the engine under the condition that the ambient temperature is lower than or equal to a first preset temperature, wherein the first engine operation requirement is a requirement for heating through the engine.

Description

Heating control method and device and vehicle

Technical Field

The present disclosure relates to vehicle technologies, and in particular, to a heating control method and apparatus, and a vehicle.

Background

With the development of new energy technology, hybrid vehicles are becoming more popular. At present, more and more hybrid vehicle frames on the market tend to operate mainly by electricity, and lower oil consumption is brought to be more similar to the purely electric driving experience. However, this way can lead to that under cold weather, the user can rely on the power battery to supply power more when there is the heating demand to produce heat, leads to the battery electric quantity to consume sooner, and in order to maintain the electric balance of whole car, the electric quantity that is consumed probably needs engine electricity generation to supplement again at last, leads to the fact whole car consumption higher.

Disclosure of Invention

The embodiment disclosed in the specification provides a heating control method and device and a vehicle.

According to a first aspect of the present disclosure, a heating control method is provided. The heating control method comprises the following steps: receiving a heating instruction; responding to the heating instruction, and acquiring the ambient temperature and the actual water temperature of the engine; and setting a first engine operation demand according to the actual water temperature of the engine under the condition that the ambient temperature is lower than or equal to a first preset temperature, wherein the first engine operation demand is a demand for heating by the engine.

Optionally, the setting the first engine operation requirement according to the actual water temperature of the engine includes: if the actual water temperature of the engine is lower than or equal to a first water temperature threshold value, setting a first engine operation requirement as an effective requirement; if the engine actual water temperature is above the first water temperature threshold, the first engine operating demand is set to an invalid demand.

Optionally, the first water temperature threshold is equal to an engine optimal operating temperature; or the first water temperature threshold is lower than the optimal working temperature of the engine, and the absolute value of the difference between the first water temperature threshold and the optimal working temperature of the engine is smaller than or equal to the first difference threshold.

Optionally, the setting the first engine operation requirement according to the actual water temperature of the engine includes: under the condition that the first engine operation requirement is currently an effective requirement, if the actual water temperature of the engine is higher than a second water temperature threshold value, changing the first engine operation requirement into an ineffective requirement; under the condition that the first engine operation requirement is an invalid requirement, if the actual water temperature of the engine is lower than or equal to a first water temperature threshold value, changing the first engine operation requirement into the valid requirement; wherein the second water temperature threshold is higher than the first water temperature threshold.

Optionally, the first water temperature threshold is equal to an engine optimal operating temperature; or the first water temperature threshold value is lower than the optimal working temperature of the engine, and the absolute value of the difference value of the first water temperature threshold value and the optimal working temperature of the engine is smaller than or equal to a first difference value threshold value; the absolute value of the difference between the second water temperature threshold and the first water temperature threshold is less than or equal to a second difference threshold.

Optionally, the first water temperature threshold is set according to at least one of an engine optimum operating temperature, a vehicle speed, and an ambient temperature.

Optionally, during heating by the engine, if the current effective engine operation demand includes only the first engine operation demand, the working condition of the engine is set to a power generation working condition or an idle working condition according to the ambient temperature and the remaining power of the power battery.

Optionally, the setting the working condition of the engine to the power generation working condition or the idle working condition according to the ambient temperature and the remaining power of the power battery includes: under the condition that the ambient temperature is higher than a second preset temperature, if the residual electric quantity of the power battery is lower than or equal to a first electric quantity threshold value, controlling the engine to be in a power generation working condition so as to charge the power battery, and if the residual electric quantity of the power battery is higher than the first electric quantity threshold value, controlling the engine to be in an idle working condition; wherein the second preset temperature is lower than the first preset temperature.

Optionally, the setting the working condition of the engine as the power generation working condition or the idle working condition according to the ambient temperature and the residual capacity of the power battery further includes: under the condition that the ambient temperature is lower than or equal to a second preset temperature, if the residual electric quantity of the power battery is lower than or equal to a second electric quantity threshold value, controlling the engine to be in a power generation working condition so as to charge the power battery, and if the residual electric quantity of the power battery is higher than the second electric quantity threshold value, controlling the engine to be in an idle working condition; the second preset temperature is lower than the first preset temperature, and the second electric quantity threshold is higher than the first electric quantity threshold.

Optionally, the setting the working condition of the engine to the power generation working condition or the idle working condition according to the ambient temperature and the remaining power of the power battery includes: under the condition that the ambient temperature is lower than or equal to a second preset temperature, if the residual electric quantity of the power battery is lower than or equal to a first electric quantity threshold value, controlling the engine to drive the generator to generate electricity by first power, if the residual electric quantity of the power battery is higher than the first electric quantity threshold value and lower than or equal to a second electric quantity threshold value, controlling the engine to drive the generator to generate electricity by second power, and if the residual electric quantity of the power battery is higher than the second electric quantity threshold value, controlling the engine to be in an idle working condition; the second preset temperature is lower than the first preset temperature, the second electric quantity threshold is higher than the first electric quantity threshold, and the second power is lower than the first power.

Optionally, the heating control method further includes: controlling the engine to be in a starting state under the condition that any effective engine operation requirement exists currently; the engine is controlled to be in a shut-down state in the event that there is currently no active engine operating demand.

According to a second aspect of the present disclosure, there is provided a heating control apparatus including a processor and a memory having stored therein computer readable instructions which when executed by the processor implement the heating control method of the first aspect.

According to a third aspect of the present disclosure, there is provided a vehicle having the heating control device of the second aspect of the present disclosure.

According to a fourth aspect of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer-readable instructions which, when executed by a processor, implement the heating control method of the first aspect.

According to the heating control scheme, in response to a heating instruction, under the condition that the ambient temperature is lower than or equal to a first preset temperature, a first engine operation requirement is set according to the actual water temperature of an engine. That is, the actual water temperature of the engine is increased as the reference for starting and stopping the engine in the low-temperature environment, which is favorable for heating by the engine preferentially in the low-temperature environment, prevents the electric quantity of the power battery in the low-temperature environment from being consumed excessively, reduces the heating power consumption of the whole vehicle, and better maintains the electric balance of the whole vehicle in the low-temperature environment.

According to the heating control scheme, the actual water temperature of the engine is increased in a low-temperature environment to serve as a reference for starting and stopping the engine, so that the engine can be guaranteed to stably operate near the optimal working temperature of the engine, the economy of the whole engine is further improved, and the risk of engine oil emulsification can be reduced.

According to the heating control scheme, the actual water temperature of the engine is increased as a reference for starting and stopping the engine in a low-temperature environment, under the condition that only the heating requirement of the engine is effective at present, the prior heating is derived from idling of the engine or power generation, the heating requirement of a user is met, and meanwhile the economy of the whole automobile is improved, the electricity keeping performance of the whole automobile is improved, and the like, so that a very positive effect is achieved.

Features of the embodiments of the present specification and their advantages will become apparent from the following detailed description of exemplary embodiments of the specification with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the specification and, together with the description, serve to explain the principles of the embodiments of the specification.

FIG. 1 is a schematic diagram of a system architecture of a hybrid vehicle provided in one embodiment of the present disclosure;

Fig. 2 is a flowchart of a heating control method according to an embodiment of the present disclosure

Fig. 3 is a flowchart of a heating control method provided in another embodiment of the present specification;

Fig. 4 is a schematic view of a heating control device provided in an embodiment of the present specification.

Detailed Description

Various exemplary embodiments of the present specification will now be described in detail with reference to the accompanying drawings.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the disclosure, its application, or uses.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the embodiment of the present disclosure, a Hybrid Vehicle (Hybrid Vehicle) refers to a Hybrid ELECTRIC VEHICLE, HEV, i.e., a Vehicle that uses an internal combustion engine and a power battery as power sources. The internal combustion engine may be, for example, a diesel engine or a gasoline engine.

First, a partial system architecture of a hybrid vehicle provided by one embodiment of the present disclosure is explained. Referring to fig. 1, a system architecture of a hybrid vehicle may include an engine 1, a generator 2, a power battery 3, a driving motor 4, a controller 5, and an air conditioning system 6. In one example, the controller 5 may be a dedicated engine controller ECU (Engine Control Unit). In one example, the air conditioning system may include a heat pump air conditioner. In one example, the system architecture of the hybrid vehicle may further include a vehicle controller, a driving motor controller, a clutch and its related control unit, a transmission and its related control unit, and the like, which is not limited by the embodiments of the present disclosure.

In one example, the engine 1 may drive the generator 2 to generate electricity, thereby charging the power battery 3. In one example, the generator 2 may output electrical power to the drive motor 4 to drive the wheel end rotation. In one example, the power battery 3 may output electric power to the drive motor 4 to drive the wheel end for rotation. In one example, the engine 1 may be directly driven to rotate.

The air conditioning system 6 may be used to regulate the temperature of the environment within the vehicle. In one example, the power battery 3 may power the air conditioning system 6. In one embodiment, the engine 1 may provide heat generated during its operation as a heat source to the air conditioning system 6 to meet the heating requirements of the vehicle environment. For example, heat generated by the operation of the engine 1 may be transferred to a heat exchange water path of the air conditioning system 6, through which heat is transferred to the in-vehicle environment, satisfying the heating requirement of the in-vehicle environment.

Referring to fig. 2, a heating control method provided by an embodiment of the present disclosure is illustrated, including steps S102 to S106.

Step S102, receiving a heating instruction.

Step S104, responding to the heating instruction, and acquiring the ambient temperature and the actual water temperature of the engine.

In step S106, when the ambient temperature is lower than or equal to the first preset temperature T0, a first engine operation requirement is set according to the actual water temperature of the engine, and the first engine operation requirement is a requirement for heating by the engine.

In the embodiment of the disclosure, the heating instruction may be sent by a user or may be automatically sent by the vehicle control system according to the ambient temperature. For example, the vehicle control system automatically issues a heating instruction in the case where the ambient temperature is low.

In the embodiments of the present disclosure, the ambient temperature may be obtained from an outside-vehicle temperature sensor that is mainly used to detect the air temperature outside the vehicle, and the outside-vehicle temperature sensor may be installed near the vehicle case, for example, near the bumper, on the cab front wall panel. In the case of networking of vehicles, the real-time ambient temperature of the geographic area in which the vehicle is currently located can also be obtained based on the network. In the embodiment of the disclosure, the actual water temperature of the engine can be obtained through a cooling liquid temperature sensor of the engine.

In the embodiment of the disclosure, the first preset temperature T0 may be slightly higher than zero degrees, zero degrees or less than zero degrees, for example, the value range of the first preset temperature T0 is 10 degrees or less. In the embodiment of the disclosure, the first preset temperature T0 may be comprehensively determined according to factors such as a cooling speed of the engine, a power-preserving capacity of the whole vehicle at a low temperature, and a vehicle speed. In the case of other factor determination, the faster the cooling rate of the engine, the higher the first preset temperature T0 is adjusted to reduce the case where the temperature of the transmitter is too low. Under the condition that other factors determine, the worse the electricity-keeping capacity of the whole vehicle at the low temperature is, the first preset temperature T0 is adjusted to be higher so as to improve the electricity-keeping capacity of the whole vehicle at the low temperature. Under the condition that other factors determine, the faster the vehicle speed is, the first preset temperature T0 is adjusted to be high so as to improve driving safety.

In one example, referring to fig. 3, the method further includes step S108 of setting the first engine operation demand to an invalid demand in case the ambient temperature is higher than the first preset temperature T0. That is, when the user wants to heat, if the ambient temperature is high and the performance of the power battery is not seriously degraded due to the low temperature environment, the power battery can be preferentially used for providing electric energy to the air conditioning equipment for heating.

The heating control method of the embodiment of the disclosure can be applied to a hybrid vehicle. The heating control method of the embodiment of the disclosure can be applied to the situation that the hybrid electric vehicle is in the hybrid power mode.

In the disclosed embodiments, an engine operating demand being an invalid demand means that the engine operating demand is in an invalid state, i.e., the engine operating demand is directly ignored. The fact that a certain engine operating requirement is an effective requirement means that the engine operating requirement is in an effective state, that is, the engine operating requirement is taken into consideration in an engine control decision, the system sets the operating state of the transmitter according to the current all effective engine operating requirement, for example, the working condition, the rotating speed, the power and the like of the engine according to the current all effective engine operating requirement.

According to the heating control method of the embodiment of the disclosure, the first engine operation requirement is set as an invalid requirement by default in the initial period.

According to the heating control method, the engine is controlled to be in a starting state when any effective engine operation requirement exists at present, and the engine is controlled to be in a closing state when no effective engine operation requirement exists at present. That is, with the hybrid vehicle, if any one of the engine operation demands is an effective demand among all the engine operation demands (including the first engine operation demand), the engine is controlled to be in a started state and the engine operation demand of which the priority is high is preferentially secured, and if all the engine operation demands are ineffective demands, the engine is controlled to be in a shut-down state. For example, the hybrid electric vehicle has a second engine operation demand corresponding to the steady rotation speed control and a third engine operation demand corresponding to the high-power generation demand, and when any one of the first engine operation demand, the second engine operation demand, and the third engine operation demand is an effective demand, the engine is controlled to be in a start state. Under the condition that the first engine operation requirement, the second engine operation requirement and the third engine operation requirement are all effective requirements, the priority of the first engine operation requirement is lower than that of the second engine operation requirement and the third engine operation requirement, and the control engine is used for preferentially guaranteeing the second engine operation requirement and the third engine operation requirement.

In one example, setting the first engine operating demand in step S104 based on the actual engine water temperature may include steps S202-S204.

In step S202, if the engine actual water temperature is less than or equal to the first water temperature threshold TSS, the first engine operating demand is set to the active demand.

In step S204, if the engine actual water temperature is above the first water temperature threshold TSS, the first engine operating demand is set to an invalid demand.

In one example, the first water temperature threshold TSS may be equal to an engine optimal operating temperature.

In another example, the first water temperature threshold TSS is lower than the engine optimal operating temperature and the absolute value of the difference between the first water temperature threshold TSS and the engine optimal operating temperature is less than or equal to the first difference threshold.

In the embodiment of the disclosure, the optimal working temperature of the engine is an inherent parameter of the engine which is calibrated in advance, and the first water temperature threshold TSS can be adjusted in a small range according to the environment and the vehicle speed, so that the water temperature of the engine is always kept not greater than the optimal working temperature of the engine and is relatively close to the optimal working temperature of the engine, and the working efficiency of the engine is ensured. That is, the first water temperature threshold TSS may be set according to at least one of an engine optimum operating temperature, a vehicle speed, and an ambient temperature. Specifically: the faster the vehicle speed, the higher the first water temperature threshold TSS is relatively at the same ambient temperature. The lower the ambient temperature, the higher the first water temperature threshold TSS is relatively at the same vehicle speed.

In one example, the engine optimum operating temperature is 90 degrees, the first difference threshold is 20 degrees, and the first water temperature threshold TSS is between 70 degrees and 90 degrees.

According to the heating control scheme, the actual water temperature of the engine is increased to serve as a reference for starting and stopping the engine in a low-temperature environment, and the first water temperature threshold value close to the optimal working temperature of the engine is set to serve as a starting and stopping reference condition, so that the engine can be ensured to stably run near the optimal working temperature of the engine, the economy of the whole vehicle is further improved, and the risk of engine oil emulsification of the engine can be reduced.

In another example, setting the first engine operating demand in step S104 based on the actual engine water temperature may include steps S302-S304.

In step S302, if the actual water temperature of the engine is higher than the second water temperature threshold tss+Δt, the first engine operation demand is changed to the invalid demand. Wherein the second water temperature threshold tss+Δt is higher than the first water temperature threshold TSS.

In step S304, if the actual water temperature of the engine is lower than or equal to the first water temperature threshold TSS, the first engine operation demand is changed to the effective demand.

In this example, a return difference algorithm is introduced, the first water temperature threshold TSS is used as a transition node from active to inactive of the first engine operation requirement, and the second water temperature threshold tss+Δt is used as a transition node from inactive to active of the first engine operation requirement, so that frequent start and stop of the engine caused by frequent switching of the state of the first engine operation requirement can be avoided. In this way, even if the actual water temperature of the engine is measured and shakes, the state of the first engine operation demand is not switched too frequently, and the engine is not started and stopped frequently due to the measured shake.

In one example, the absolute value of the difference between the second water temperature threshold tss+Δt and the first water temperature threshold TSS is less than or equal to the second difference threshold.

In one example, the engine optimum operating temperature is 90 degrees, the first difference threshold is 20 degrees, the second difference threshold is 10 degrees, the first water temperature threshold TSS is between 70 degrees and 90 degrees, and the second water temperature threshold is between 80 degrees and 100 degrees.

According to the heating control scheme, the actual water temperature of the engine is increased to serve as a reference for starting and stopping the engine in a low-temperature environment, and the first water temperature threshold value and the second water temperature threshold value which are close to the optimal working temperature of the engine are set to serve as starting and stopping reference conditions, so that the engine can be ensured to stably run near the optimal working temperature of the engine, the economy of the whole vehicle is further improved, and the risk of engine oil emulsification of the engine can be reduced.

In one example, the heating control method further includes step P102.

In the process of heating by the engine, if the current effective engine operation requirement only includes the first engine operation requirement, setting the working condition of the engine as the power generation working condition or the idle working condition according to the ambient temperature and the residual electric quantity of the power battery in the step P102.

In this embodiment, if the condition of the engine is set to the power generation condition according to the ambient temperature and the remaining power of the power battery, the engine drives the power generator to supply power to the power battery.

In one example, the setting of the engine operating condition to the power generation operating condition or the idle operating condition according to the ambient temperature and the remaining power of the power battery in the step P102 may include the step P202.

And step P202, if the ambient temperature is higher than the second preset temperature T1, controlling the engine to be in a power generation working condition to charge the power battery if the residual electric quantity of the power battery is lower than or equal to the first electric quantity threshold Sx, and controlling the engine to be in an idle working condition if the residual electric quantity of the power battery is higher than the first electric quantity threshold Sx. Wherein the second preset temperature T1 is lower than the first preset temperature T0.

In the embodiment of the disclosure, when the environment is in a normal low-temperature environment (the environment temperature is higher than the second preset temperature T1 and lower than or equal to the first preset temperature T0), the residual electric quantity of the power battery needs to be maintained above the first electric quantity threshold Sx, so that the electric balance state of the whole vehicle is maintained, and the electric safety of the whole vehicle is ensured.

In the embodiment of the disclosure, the first power threshold Sx may be set by the vehicle user, for example, the first power threshold Sx is set to 60% of the full power of the power battery.

In the embodiment of the present disclosure, in order to prevent the working condition from jumping too frequently, a return difference algorithm may also be used in step P202. For example, in step P202, if the current working condition of the engine is the idle working condition, if the remaining power of the power battery is less than or equal to Sx, the engine is controlled to enter the power generation working condition; under the condition that the current working condition of the engine is a power generation working condition, if the residual electric quantity of the power battery is higher than Sx+ [ delta ] S, controlling the engine to enter an idle working condition; wherein Δs is a positive number.

In one example, the setting of the engine operating condition to the power generation operating condition or the idle operating condition according to the ambient temperature and the remaining power of the power battery in step P102 may include step P302.

And step P302, if the ambient temperature is lower than or equal to the second preset temperature T1, controlling the engine to be in a power generation working condition to charge the power battery if the residual electric quantity of the power battery is lower than or equal to the second electric quantity threshold S2, and controlling the engine to be in an idle working condition if the residual electric quantity of the power battery is higher than the second electric quantity threshold S2. Wherein the second preset temperature T1 is lower than the first preset temperature T0.

In the embodiment of the disclosure, compared to the normal low temperature environment (the environment temperature is higher than the second preset temperature T1 and lower than or equal to the first preset temperature T0), the electric balance state of the whole vehicle is more required to be ensured in the extremely low temperature environment (the environment temperature is lower than or equal to the second preset temperature T1, and therefore, the second electric quantity threshold S2 may be set higher than the first electric quantity threshold Sx., that is, in the extremely low temperature environment, if the residual electric quantity of the power battery is lower than the second electric quantity threshold S2, the engine is controlled to be in the power generation working condition to charge the power battery.

In the embodiment of the disclosure, the first power threshold Sx may be set by the vehicle user, for example, the first power threshold Sx is set to 60% of the full power of the power battery, and the second power threshold S2 is set to 70% of the full power of the power battery.

In the embodiment of the present disclosure, in order to prevent the working condition from jumping too frequently, a return difference algorithm may also be used in step P302. For example, in step P302, if the current working condition of the engine is the idle working condition, if the remaining power of the power battery is lower than or equal to S2, the engine is controlled to enter the power generation working condition; under the condition that the current working condition of the engine is a power generation working condition, if the residual electric quantity of the power battery is higher than S2+ [ delta ] S', controlling the engine to enter an idle working condition; wherein Δs' is a positive number.

In addition, in switching the step P202 and the step P302 according to the magnitude comparison relation between the ambient temperature and the second preset temperature T1, a return difference algorithm may be used.

In another example, the setting of the engine operating condition to the power generation operating condition or the idle operating condition according to the ambient temperature and the remaining power of the power battery in the step P102 may include the step P402.

P402, if the ambient temperature is lower than or equal to a second preset temperature T1, controlling the engine to drive the generator to generate electricity at a first power P1 if the residual electric quantity of the power battery is lower than or equal to a first electric quantity threshold Sx; if the residual electric quantity of the power battery is higher than the first electric quantity threshold Sx and lower than or equal to the second electric quantity threshold S2, controlling the engine to drive the generator to generate electricity at the second power P2; if the residual electric quantity of the power battery is higher than a second electric quantity threshold S2, controlling the engine to be in an idle working condition; the second preset temperature T1 is lower than the first preset temperature T0, the second power threshold S2 is higher than the first power threshold Sx, and the second power P2 is lower than the first power P1.

In the embodiment of the disclosure, compared with the normal low temperature environment (the environment temperature is higher than the second preset temperature T1 and lower than or equal to the first preset temperature T0), the electric balance state of the whole vehicle is more required to be ensured in the extremely low temperature environment (the environment temperature is lower than or equal to the second preset temperature T1, and therefore, the second electric quantity threshold S2 is higher than the first electric quantity threshold Sx., that is, in the extremely low temperature environment, if the residual electric quantity of the power battery is lower than the second electric quantity threshold S2, the engine is controlled to be in the power generation working condition to charge the power battery.

In addition, if the natural air suction capability of the engine is limited in the plateau environment, which may result in failing to meet the high-power requirement of the user, the first power threshold Sx may be raised even in the normal low-temperature environment (the environment temperature is higher than the second preset temperature T1 and lower than the first preset temperature T0, so as to ensure the electric balance state of the whole vehicle).

In the embodiment of the present disclosure, in order to prevent the working condition from jumping too frequently, a return difference algorithm may also be used in step P402. In addition, in switching the step P202 and the step P402 according to the magnitude comparison relation between the ambient temperature and the second preset temperature T1, a return difference algorithm may be used.

In the embodiment of the disclosure, the relationship among the ambient temperature, the vehicle speed and the first water temperature threshold TSS, the first water temperature threshold tss+Δt, the second water temperature threshold tss+Δt, the first difference threshold, the second difference threshold, the first preset temperature T0, the second preset temperature T1, the first electric quantity threshold Sx, the second electric quantity threshold S2, the first power P1 and the second power P2 may be calibrated in advance according to the simulation result and the actual measurement condition, so as to achieve the best economical efficiency on the premise of meeting the heating requirement of the user.

According to the heating control method disclosed by the embodiment of the disclosure, the actual water temperature of the engine is added as the reference for starting and stopping the engine in a low-temperature environment, so that the electric quantity consumption of the power battery can be reduced while the heating requirement of a user is met, the engine is ensured to be always and quickly stabilized near the optimal working temperature, and the running efficiency of the engine is improved.

According to the heating control method disclosed by the embodiment of the disclosure, under a low-temperature environment, the engine heating is preferentially heated from the idling of the engine or the power battery is supplemented, so that the heating requirement of a user can be met, the electric balance of the whole automobile can be well maintained, and the electricity retention property and the economical efficiency of the whole automobile are improved.

According to the heating control method, the running time of the engine in a low-temperature environment is prolonged, and the risk of engine oil emulsification is reduced.

Referring to fig. 4, an embodiment of the present disclosure provides a heating control device, including a processor 3100 and a memory 3200, where the memory 3200 stores computer readable instructions that when executed by the processor 3100 implement the heating control method of any one of the foregoing embodiments.

The heating control device of the embodiment of the disclosure may be an engine controller.

The heating control device of the embodiment of the disclosure can be applied to a hybrid vehicle.

The embodiment of the disclosure provides a vehicle, which comprises the heating control device of any embodiment. The vehicle provided by the embodiment of the present disclosure may be a hybrid vehicle.

Embodiments of the present disclosure provide a computer-readable storage medium having stored thereon computer-readable instructions that, when executed by a processor, implement the heating control method of any of the foregoing embodiments.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device/server/medium embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.

The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

Embodiments of the present description may be systems, methods, and/or computer program products. The computer program product may include a computer readable storage medium having computer readable program instructions embodied thereon for causing a processor to implement aspects of embodiments of the present description.

The computer readable storage medium may be a tangible device that can hold and store instructions for use by an instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: portable computer disks, hard disks, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), static Random Access Memory (SRAM), portable compact disk read-only memory (CD-ROM), digital Versatile Disks (DVD), memory sticks, floppy disks, mechanical coding devices, punch cards or in-groove structures such as punch cards or grooves having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media, as used herein, are not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (e.g., optical pulses through fiber optic cables), or electrical signals transmitted through wires.

The computer readable program instructions described herein may be downloaded from a computer readable storage medium to a respective computing/processing device or to an external computer or external storage device over a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmissions, wireless transmissions, routers, firewalls, switches, gateway computers and/or edge servers. The network interface card or network interface in each computing/processing device receives computer readable program instructions from the network and forwards the computer readable program instructions for storage in a computer readable storage medium in the respective computing/processing device.

The computer program instructions for carrying out operations of embodiments of the present description may be assembly instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as SMALLTALK, C ++ or the like and conventional procedural programming languages, such as the "C" language or similar programming languages. The computer readable program instructions may be executed entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of embodiments of the present description are implemented by personalizing electronic circuitry, such as programmable logic circuitry, field Programmable Gate Arrays (FPGAs), or Programmable Logic Arrays (PLAs), with state information for computer-readable program instructions, which may execute the computer-readable program instructions.

Aspects of the present description embodiments are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the description. 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-readable program instructions.

These computer readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, 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/acts specified in the flowchart and/or block diagram block or blocks. These computer readable program instructions may also be stored in a computer readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer readable medium having the instructions stored therein includes an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.

The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.

The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present description. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. It is well known to those skilled in the art that implementation by hardware, implementation by software, and implementation by a combination of software and hardware are all equivalent.

The embodiments of the present specification have been described above, and the above description is illustrative, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvement of the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A heating control method, characterized by comprising:

receiving a heating instruction;

Responding to the heating instruction, and acquiring the ambient temperature and the actual water temperature of the engine; and

And setting a first engine operation requirement according to the actual water temperature of the engine under the condition that the ambient temperature is lower than or equal to a first preset temperature (T0), wherein the first engine operation requirement is a requirement for heating through the engine.

2. The heating control method according to claim 1, wherein the setting the first engine operation demand according to the actual engine water temperature includes:

setting a first engine operating demand to an effective demand if an actual engine water temperature is less than or equal to a first water temperature Threshold (TSS);

if the engine actual water temperature is above a first water temperature Threshold (TSS), the first engine operating demand is set to an invalid demand.

3. The heating control method according to claim 2, wherein,

The first water temperature Threshold (TSS) is equal to an engine optimal operating temperature; or the first water temperature Threshold (TSS) is lower than the engine optimal operating temperature and the absolute value of the difference between the first water temperature Threshold (TSS) and the engine optimal operating temperature is less than or equal to a first difference threshold.

4. The heating control method according to claim 1, wherein the setting the first engine operation demand according to the actual engine water temperature includes:

changing the first engine operating demand to an inactive demand if the engine actual water temperature is above a second water temperature threshold (TSS + [ delta ] T) under the condition that the first engine operating demand is currently an active demand;

if the actual engine water temperature is less than or equal to a first water temperature Threshold (TSS), changing the first engine operating demand to an active demand;

wherein the second water temperature threshold (TSS+ [ DELTA ] T) is higher than the first water temperature Threshold (TSS).

5. The heating control method according to claim 4, wherein,

The first water temperature Threshold (TSS) is equal to an engine optimal operating temperature; or the first water temperature Threshold (TSS) is lower than the engine optimum operating temperature, and the absolute value of the difference between the first water temperature Threshold (TSS) and the engine optimum operating temperature is less than or equal to a first difference threshold;

The absolute value of the difference between the second water temperature threshold (TSS+ [ DELTA ] T) and the first water temperature Threshold (TSS) is less than or equal to a second difference threshold.

6. The method according to any one of claims 2-5, wherein the first water temperature Threshold (TSS) is set in accordance with at least one of an engine optimum operating temperature, a vehicle speed and an ambient temperature.

7. The method of claim 1, wherein during heating by the engine, if the currently available engine operating demand includes only the first engine operating demand, the operating condition of the engine is set to a power generation operating condition or an idle operating condition according to the ambient temperature and the remaining power of the power battery.

8. The method of claim 7, wherein the setting the operation mode of the engine to the power generation operation mode or the idle operation mode according to the ambient temperature and the remaining power of the power battery comprises:

Under the condition that the ambient temperature is higher than a second preset temperature (T1), if the residual electric quantity of the power battery is lower than or equal to a first electric quantity threshold value (Sx), controlling the engine to be in a power generation working condition to charge the power battery, and if the residual electric quantity of the power battery is higher than the first electric quantity threshold value (Sx), controlling the engine to be in an idle working condition;

Wherein the second preset temperature (T1) is lower than the first preset temperature (T0).

9. The method according to claim 7 or 8, wherein the setting the operation mode of the engine to the power generation operation mode or the idle operation mode according to the ambient temperature and the remaining power of the power battery further comprises:

Under the condition that the ambient temperature is lower than or equal to a second preset temperature (T1), if the residual electric quantity of the power battery is lower than or equal to a second electric quantity threshold value (S2), controlling the engine to be in a power generation working condition to charge the power battery, and if the residual electric quantity of the power battery is higher than the second electric quantity threshold value (S2), controlling the engine to be in an idle working condition;

Wherein the second preset temperature (T1) is lower than the first preset temperature (T0), and the second power threshold (S2) is higher than the first power threshold (Sx).

10. The method of claim 7, wherein the setting the operation mode of the engine to the power generation operation mode or the idle operation mode according to the ambient temperature and the remaining power of the power battery comprises:

Under the condition that the ambient temperature is lower than or equal to a second preset temperature (T1), if the residual electric quantity of the power battery is lower than or equal to a first electric quantity threshold value (Sx), controlling the engine to drive the generator to generate electricity by the first power (P1), and if the residual electric quantity of the power battery is higher than the first electric quantity threshold value (Sx) and lower than or equal to a second electric quantity threshold value (S2), controlling the engine to drive the generator to generate electricity by the second power (P2), and if the residual electric quantity of the power battery is higher than the second electric quantity threshold value (S2), controlling the engine to be in an idle working condition;

Wherein the second preset temperature (T1) is lower than the first preset temperature (T0), the second power threshold (S2) is higher than the first power threshold (Sx), and the second power (P2) is lower than the first power (P1).

11. The method according to any one of claims 1-10, further comprising:

controlling the engine to be in a starting state under the condition that any effective engine operation requirement exists currently;

the engine is controlled to be in a shut-down state in the event that there is currently no active engine operating demand.

12. A heating control device comprising a processor and a memory, wherein the memory has stored therein computer readable instructions which, when executed by the processor, implement the heating control method of any one of claims 1-11.

13. A vehicle comprising the heating control device according to claim 12.