CN111114631A - Control method and control device for oil pump motor, storage medium and processor - Google Patents
Control method and control device for oil pump motor, storage medium and processor Download PDFInfo
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- CN111114631A CN111114631A CN201911383167.XA CN201911383167A CN111114631A CN 111114631 A CN111114631 A CN 111114631A CN 201911383167 A CN201911383167 A CN 201911383167A CN 111114631 A CN111114631 A CN 111114631A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/001—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits the torque NOT being among the input parameters
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Abstract
The application provides a control method, a control device, a control system, a storage medium, a processor and a vehicle of an oil pump motor, wherein the method comprises the following steps: collecting a plurality of state signals, wherein the plurality of state signals comprise hand brake state signals and gear state signals; detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal for representing that the hand brake is in a loosening state, and the preset signal corresponding to the gear state signal is a signal for representing that the gear is in a driving gear; and controlling the oil pump motor to work under the condition that one state signal is a corresponding preset signal. The control method of the oil pump motor not only accords with the driving habit of a driver, but also can avoid the problem that the steering capacity of a vehicle is lost due to the fact that a hand brake fails in the driving process, improves the reliability of the control method of the oil pump, and improves the driving safety.
Description
Technical Field
The application relates to the technical field of electric vehicles, in particular to a control method, a control device, a control system, a storage medium, a processor and a vehicle for an oil pump motor.
Background
In recent years, the passenger car industry gradually develops to electromotion, and pure electric passenger cars and hybrid electric passenger cars all use electric power steering oil pumps. For automobiles, steering and braking capabilities are the two most important properties, and the loss of steering and braking capabilities of an automobile running at high speed is more feared than the loss of driving force, because the loss of steering and braking capabilities means the loss of control of the vehicle.
The vehicle of traditional engine is different, as long as the engine normally runs, the oil pump can work all the time, even if the engine stalls under extreme conditions, because the engine is connected with the transmission system of the vehicle, the vehicle can continue to run because of inertia, at the moment, the transmission system back-drags the engine, the oil pump can work for a short time, but the pure electric vehicle is different, the power of the pure electric passenger car steering booster oil pump comes from a special oil pump motor, and is unrelated with a main driving motor, and once the oil pump motor does not work and does not have an energy storage device, the vehicle loses the steering ability immediately.
There are many control methods for the oil pump, and a common method is a control method by a hand brake switch, namely when the hand brake is released, the oil pump is enabled to work, and when the hand brake is pulled up, the oil pump is disabled. The method conforms to the driving habit of a driver, namely pulling up the hand brake represents that the vehicle is stopped stably and does not act any more, but the failure rate of the hand brake switch used on the air path of the existing passenger car is high, and the hand brake switch loses the steering capacity immediately particularly once being damaged in the running process of the vehicle, so that the method is quite dangerous and has poor reliability.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The main purpose of the present application is to provide a control method, a control device, a control system, a storage medium, a processor and a vehicle for an oil pump motor, so as to solve the problem that the control method for an oil pump in the prior art cannot meet the reliability requirement and at the same time conforms to the driving habit of a driver.
In order to achieve the above object, according to one aspect of the present application, there is provided a control method of an oil pump motor, including: collecting a plurality of state signals, wherein the state signals comprise hand brake state signals and gear state signals; detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal representing that a gear is in a driving gear; and under the condition that one state signal is the corresponding preset signal, controlling the oil pump motor to work.
Furthermore, the plurality of state signals further comprise an oil pump motor switch signal, and the predetermined signal corresponding to the oil pump motor switch signal is a signal representing that an oil pump motor switch is in an open state.
Further, before detecting whether the status signal is a corresponding predetermined signal, the method further comprises: detecting whether the hand brake is in a fault state; and sending first prompt information under the condition that the hand brake is in the fault state.
Further, detecting whether the handbrake is in a fault state includes: detecting whether the speed of the vehicle is greater than a speed threshold; detecting whether the handbrake is in a pulled-up state or not under the condition that the speed is greater than the speed threshold value; sending second prompt information under the condition that the hand brake is in a pull-up state, wherein the second prompt information is voice prompt information; and determining whether the handbrake is in the fault state or not according to whether the prompting time of the second prompting message is greater than a time threshold or not.
Further, the method further comprises: collecting the temperature of the oil pump motor; and sending a third prompt message and controlling the oil pump motor not to stop under the condition that the temperature is greater than the temperature threshold value.
According to another aspect of the present application, there is provided a control apparatus of an oil pump motor, including: the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a plurality of state signals, and the state signals comprise hand brake state signals and gear state signals; the detection unit is used for detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal for representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal for representing that a gear is in a driving gear; and the control unit is used for controlling the oil pump motor to work under the condition that one state signal is the corresponding preset signal.
According to still another aspect of the present application, there is provided a control system including: a first controller comprising control means for an oil pump motor for performing any one of the methods; a second controller communicatively coupled to the first controller.
Further, the first controller and the second controller are connected through hard wire or CAN bus communication.
According to yet another aspect of the application, there is provided a storage medium comprising a stored program, wherein the program performs any one of the methods.
According to another aspect of the application, a processor for running a program is provided, wherein the program when running performs any of the methods.
According to still another aspect of the present application, there is provided a vehicle including a vehicle body, a control device of an oil pump motor and the oil pump motor, the control device of the oil pump motor being configured to perform any one of the methods described above, the control device of the oil pump motor and the oil pump motor being located in the vehicle body, the control device of the oil pump motor being configured to control an operation of the oil pump motor.
In an embodiment of the present invention, in the control method, first, a plurality of status signals are collected, where the plurality of status signals include a handbrake status signal and a gear status signal, then, whether the status signals are corresponding predetermined signals is detected, and finally, when one of the status signals is a corresponding predetermined signal, that is, when the handbrake status signal is a signal indicating that the handbrake is in a released state and/or the gear status signal is a signal indicating that the gear is in a driving gear, the oil pump motor is controlled to operate. According to the control method, the work of the oil pump motor is controlled by monitoring the hand brake state and the gear state, so that when the hand brake is in a release state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pull-up state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the problem that the steering capacity of a vehicle is lost due to the fact that the hand brake fails in the driving process can be solved, the reliability of the control method of the oil pump is improved, and the driving safety is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a flowchart of a control method of an oil pump motor according to an embodiment of the present application;
FIG. 2 illustrates a logic diagram of a control method of handbrake fault notification according to an embodiment of the present application;
FIG. 3 illustrates a logic diagram of a control method of an oil pump motor temperature prompt according to an embodiment of the present application;
fig. 4 shows a schematic diagram of a control device of an oil pump motor according to an embodiment of the present application;
FIG. 5 shows a logic diagram of a control method of oil pump motor switch states according to an embodiment of the present application; and
fig. 6 shows a schematic configuration diagram of a control system of an oil pump motor according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
01. a handbrake status signal; 02. a gear state signal; 03. a temperature signal; 04. an oil pump motor switching signal; 10. a first controller; 20. a second controller; 30. hard wires; 40. a CAN bus.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, the control method of the oil pump in the related art cannot satisfy the reliability requirement while conforming to the driving habit of the driver, and in order to solve the above problems, in an exemplary embodiment of the present application, a control method, a control apparatus, a control system, a storage medium, a processor, and a vehicle for an oil pump motor are provided.
Fig. 1 is a flowchart of a control method of an oil pump motor according to an embodiment of the present invention, as shown in fig. 1, the control method including the steps of:
step S101, collecting a plurality of state signals, wherein the state signals comprise hand brake state signals and gear state signals;
step S102, detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal for representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal for representing that a gear is in a driving gear;
and step S103, controlling the oil pump motor to work under the condition that one state signal is the corresponding preset signal.
In the control method, a plurality of state signals are collected firstly, the state signals comprise hand brake state signals and gear state signals, then whether the state signals are corresponding preset signals or not is detected, and finally, the oil pump motor is controlled to work under the condition that one state signal is corresponding preset signal, namely the hand brake state signal is a signal representing that a hand brake is in a release state and/or the gear state signal is a signal representing that a gear is in a starting gear. According to the control method, the work of the oil pump motor is controlled by monitoring the hand brake state and the gear state, so that when the hand brake is in a release state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pull-up state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the problem that the steering capacity of a vehicle is lost due to the fact that the hand brake fails in the driving process can be solved, the reliability of the control method of the oil pump is improved, and the driving safety is improved.
It should be noted that the gear switch control method is also a control method of an oil pump motor in the prior art, the control method is high in reliability, but cannot meet the requirement of vehicle pivot steering, and compared with the gear switch control method, the control method of the oil pump motor can control the oil pump motor to work under the condition that a hand brake is not pulled, namely, the oil pump motor is controlled to work under the condition that the vehicle pivots on the pivot, so that the situation that the resilience force generated by steering wheel return due to the fact that the oil pump motor stops working suddenly is prevented from being applied to the hands of a driver, and the driving experience is improved.
In order to further improve the reliability of the control method, in an embodiment of the present application, the plurality of state signals further includes an oil pump motor switch signal, and the predetermined signal corresponding to the oil pump motor switch signal is a signal indicating that the oil pump motor switch is in an open state. According to the control method, under the condition that the faults of the hand brake and the gear are avoided, the work of the oil pump motor is controlled through the oil pump motor switch, and the condition that the steering capacity of the vehicle is lost due to the hand brake fault in the driving process is avoided, so that the reliability of the control method of the oil pump is further improved, and the driving safety is further improved.
It should be noted that the rocker switch control method is also a control method of an oil pump motor in the prior art, the control method is easy to control and has high reliability, but when the rocker switch is turned on, the oil pump motor can always work and is not controlled by other logics.
Actually, the manual brake is loosened during driving, the hand brake switch contact on the gas circuit is pushed open by the air pressure, the hand brake state signal represents that the hand brake is in the loosening state, when the driver pulls up the hand brake, the hand brake switch contact is in the closing state, the hand brake state signal represents that the hand brake is in the pulling-up state, because the hand brake switch is a wearing part, the hand brake can be closed all the time when the fault, that is to say, even the hand brake state signal also represents that the hand brake is in the pulling-up state in the driving process.
In an embodiment of the application, before detecting whether the status signal is a corresponding predetermined signal, the method further includes: detecting whether the hand brake is in a fault state; and sending first prompt information under the condition that the hand brake is in the fault state. In the control method, under the condition that the hand brake is in the fault state, first prompt information is sent to remind a driver to open an oil pump motor switch on an instrument desk, so that the oil pump motor can work all the time, and a vehicle can drive to a destination to replace the hand brake switch.
In an embodiment of this application, whether detect above-mentioned manual brake and be in fault status includes: detecting whether the speed of the vehicle is greater than a speed threshold; detecting whether the hand brake is in a pulled-up state or not under the condition that the speed is greater than the speed threshold value; under the condition that the hand brake is in a pull-up state, sending out second prompt information, wherein the second prompt information is voice prompt information; and determining whether the handbrake is in the fault state or not according to whether the prompting time of the second prompting message is greater than a time threshold or not. Specifically, as shown in fig. 2, the skilled person can select a suitable speed threshold and a suitable time threshold according to actual situations, for example, the speed threshold is 5km/h, and the time threshold is 10 min.
In an embodiment of the present application, the method further includes: collecting the temperature of the oil pump motor; and sending a third prompt message and controlling the oil pump motor not to stop under the condition that the temperature is greater than the temperature threshold value. The logic control of the control method is as shown in fig. 3, the third prompt message is used for reminding a driver of abnormal temperature of the oil pump motor, and compared with the prior art that the oil pump motor is stopped under the condition that the temperature is greater than the temperature threshold value, the control method controls the oil pump motor not to stop so as to ensure the steering capacity of the vehicle, and improves the driving safety. Specifically, since the oil pump motor does not exceed 100 ℃ under normal conditions, the temperature threshold may be set to 120 ℃, and of course, the temperature threshold is not limited thereto, and those skilled in the art may select an appropriate temperature threshold according to actual conditions.
According to the embodiment of the invention, a control device of the oil pump motor is further provided, and it should be noted that the control device of the oil pump motor according to the embodiment of the invention can be used for executing the control method of the oil pump motor according to the embodiment of the invention. The following describes a control device for an oil pump motor according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a control device of an oil pump motor according to an embodiment of the present invention, which includes, as shown in fig. 4:
the system comprises an acquisition unit 100, a control unit and a control unit, wherein the acquisition unit is used for acquiring a plurality of state signals, and the state signals comprise a hand brake state signal and a gear state signal;
a detecting unit 200, configured to detect whether the state signal is a corresponding predetermined signal, where the predetermined signal corresponding to the handbrake state signal is a signal indicating that the handbrake is in a released state, and the predetermined signal corresponding to the gear state signal is a signal indicating that the gear is in a driving gear;
and a control unit 300 for controlling the oil pump motor to operate when one of the state signals is the corresponding predetermined signal.
In the control device, the acquisition unit acquires a plurality of state signals, the state signals comprise hand brake state signals and gear state signals, the detection unit detects whether the state signals are corresponding preset signals, and the control unit controls the oil pump motor to work under the condition that one state signal is corresponding preset signal, namely the hand brake state signal is a signal representing that the hand brake is in a release state and/or the gear state signal is a signal representing that the gear is in a starting gear. The control device controls the work of the oil pump motor by monitoring the hand brake state and the gear state, so that when the hand brake is in a loosening state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pulling-up state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the problem that the steering capacity of a vehicle is lost due to the hand brake fault in the driving process can be avoided, the reliability of the control method of the oil pump is improved, and the driving safety is improved.
It should be noted that the gear switch control method is also a control method of an oil pump motor in the prior art, the control method is high in reliability, but cannot meet the requirement of vehicle pivot steering, and compared with the gear switch control method, the control method of the oil pump motor can control the oil pump motor to work under the condition that a hand brake is not pulled, namely, the oil pump motor is controlled to work under the condition that the vehicle pivots on the pivot, so that the situation that the resilience force generated by steering wheel return due to the fact that the oil pump motor stops working suddenly is prevented from being applied to the hands of a driver, and the driving experience is improved.
In order to further improve the reliability of the control method, in an embodiment of the present application, the plurality of state signals further includes an oil pump motor switch signal, and the predetermined signal corresponding to the oil pump motor switch signal is a signal indicating that the oil pump motor switch is in an open state. According to the control method, under the condition that the faults of the hand brake and the gear are avoided, the work of the oil pump motor is controlled through the oil pump motor switch, and the condition that the steering capacity of the vehicle is lost due to the hand brake fault in the driving process is avoided, so that the reliability of the control method of the oil pump is further improved, and the driving safety is further improved.
It should be noted that the rocker switch control method is also a control method of an oil pump motor in the prior art, the control method is easy to control and has high reliability, but when the rocker switch is turned on, the oil pump motor can always work and is not controlled by other logics.
Actually, the manual brake is loosened during driving, the hand brake switch contact on the gas circuit is pushed open by the air pressure, the hand brake state signal represents that the hand brake is in the loosening state, when the driver pulls up the hand brake, the hand brake switch contact is in the closing state, the hand brake state signal represents that the hand brake is in the pulling-up state, because the hand brake switch is a wearing part, the hand brake can be closed all the time when the fault, that is to say, even the hand brake state signal also represents that the hand brake is in the pulling-up state in the driving process.
In an embodiment of the application, the control device further includes a prompt unit, and the alarm unit includes a detection module and a first prompt module, where the detection module is configured to detect whether the handbrake is in a fault state before detecting whether the status signal is a corresponding predetermined signal; the first prompt module is used for sending out first prompt information under the condition that the hand brake is in the fault state. In the control method, under the condition that the hand brake is in the fault state, first prompt information is sent to remind a driver to open an oil pump motor switch on an instrument desk, so that the oil pump motor can work all the time, and a vehicle can drive to a destination to replace the hand brake switch.
In an embodiment of the application, the detection module includes a first detection submodule, a second detection submodule, a prompt submodule and a determination submodule, wherein the first detection submodule is used for detecting whether the speed of the vehicle is greater than a speed threshold value; the second detection submodule is used for detecting whether the hand brake is in a pull-up state or not under the condition that the speed is greater than the speed threshold value; the prompting submodule is used for sending out second prompting information under the condition that the hand brake is in a pull-up state, and the second prompting information is voice prompting information; and the determining submodule is used for determining whether the handbrake is in the fault state or not according to whether the prompting time of the second prompting information is greater than a time threshold or not. Specifically, as shown in fig. 2, the skilled person can select a suitable speed threshold and a suitable time threshold according to actual situations, for example, the speed threshold is 5km/h, and the time threshold is 10 min.
In an embodiment of the present application, the prompt unit further includes an acquisition module and a second prompt module, wherein the acquisition module is used for acquiring the temperature of the oil pump motor; the second prompting module is used for sending third prompting information and controlling the oil pump motor not to stop under the condition that the temperature is greater than the temperature threshold value. The logic control of the control method is as shown in fig. 3, the third prompt message is used for reminding a driver of abnormal temperature of the oil pump motor, and compared with the prior art that the oil pump motor is stopped under the condition that the temperature is greater than the temperature threshold value, the control method controls the oil pump motor not to stop so as to ensure the steering capacity of the vehicle, and improves the driving safety. Specifically, since the oil pump motor does not exceed 100 ℃ under normal conditions, the temperature threshold may be set to 120 ℃, and of course, the temperature threshold is not limited thereto, and those skilled in the art may select an appropriate temperature threshold according to actual conditions.
There is also provided, according to an embodiment of the present invention, a control system, as shown in fig. 6, including:
a first controller 10 including a control device of an oil pump motor for executing any one of the above methods, wherein the control device of the oil pump motor may be software in the first controller;
and a second controller 20 communicatively connected to the first controller 10.
In the control system, firstly, a first controller collects a plurality of state signals, the state signals comprise hand brake state signals and gear state signals, then the first controller detects whether the state signals are corresponding preset signals, and finally, under the condition that one state signal is corresponding preset signal, namely under the condition that the hand brake state signal is a signal representing that a hand brake is in a release state and/or the gear state signal is a signal representing that a gear is in a driving gear, the first controller controls an oil pump motor to work through a second controller. The control system controls the work of the oil pump motor by monitoring the hand brake state and the gear state, so that when the hand brake is in a loosening state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pulling state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the problem that the steering capacity of a vehicle is lost due to the fact that the hand brake fails in the driving process can be solved, the reliability of the control method of the oil pump is improved, and the driving safety is improved.
It should be noted that, when the plurality of status signals are a hand brake status signal, a shift status signal, and an oil pump motor switching signal, respectively, the logic control of the control method is as shown in fig. 5, and when an enable signal is issued, the second controller controls the oil pump motor to operate, and when the enable signal is not issued, the second controller controls the oil pump motor to stop operating.
It should be noted that the first controller is a vehicle control unit, and the second controller is an oil pump inverter, but the first controller and the second controller are not limited thereto, and those skilled in the art may select an appropriate first controller and second controller according to actual situations.
In one embodiment of the present application, as shown in fig. 6, the first controller 10 and the second controller 20 are communicatively connected by a hard wire 30 or a CAN bus 40. Specifically, the first controller and the second controller are connected through a hard wire, so that the second controller is prevented from not working any more after being disconnected suddenly on a CAN network, the first controller and the second controller CAN be connected through CAN communication at the same time, and when state signals are added or deleted subsequently, only a control program needs to be modified without modification on the hard wire.
It should be noted that, as shown in fig. 6, a gear state signal 02, a handbrake state signal 01, a temperature signal 03 and an oil pump motor switch signal 04 are input signals of the first controller, enable signals transmitted by the hard wire 30 and the CAN bus 40 are output signals of the first controller 10, the gear state signal 02 is input to the first controller 10 through an electronic shifter on the instrument desk, the oil pump motor switch signal 04 is input to the first controller 10 through the hard wire, the handbrake state signal 01 is input to the first controller 10 through the CAN bus 40, and the temperature signal 03 is directly collected by the first controller 10 or is input to the first controller 10 through the CAN bus 40.
According to an embodiment of the present invention, there is also provided a vehicle including a vehicle body, a control device of an oil pump motor and the oil pump motor, the control device of the oil pump motor being configured to perform any one of the above methods, the control device of the oil pump motor and the oil pump motor being located in the vehicle body, and the control device of the oil pump motor being configured to control an operation of the oil pump motor.
In the above vehicle, the control device of the oil pump motor includes an acquisition unit, a detection unit and a control unit, the acquisition unit acquires a plurality of status signals, the plurality of status signals include hand brake status signals and gear status signals, the detection unit detects whether the status signals are corresponding predetermined signals, and the control unit controls the oil pump motor to operate when one of the status signals is corresponding predetermined signal, that is, when the hand brake status signal is a signal representing that the hand brake is in a release state and/or the gear status signal is a signal representing that the gear is in a drive gear. The work of this vehicle through monitoring manual brake state and gear state control oil pump motor for when the manual brake is in the unclamping state and/or the gear is in the gear of driving, oil pump motor work, the manual brake is in and draws the state and the gear is in when stopping the gear, and oil pump motor is out of work, both accorded with driver's driving custom, can avoid again in the driving process manual brake trouble to lead to the vehicle to lose the problem of steering capacity, has improved the reliability of the control method of oil pump, has improved driving safety nature.
The control device of the oil pump motor comprises a processor and a memory, wherein the acquisition unit, the detection unit, the control unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. One or more kernels can be set, and the control method of the oil pump meets the reliability requirement and accords with the driving habit of a driver at the same time by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium having a program stored thereon, the program implementing the above-described control method of an oil pump motor when being executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes the control method of the oil pump motor when running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, collecting a plurality of state signals, wherein the state signals comprise hand brake state signals and gear state signals;
step S102, detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal for representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal for representing that a gear is in a driving gear;
and step S103, controlling the oil pump motor to work under the condition that one state signal is the corresponding preset signal.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, collecting a plurality of state signals, wherein the state signals comprise hand brake state signals and gear state signals;
step S102, detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal for representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal for representing that a gear is in a driving gear;
and step S103, controlling the oil pump motor to work under the condition that one state signal is the corresponding preset signal.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) according to the control method, a plurality of state signals are collected firstly, the state signals comprise hand brake state signals and gear state signals, whether the state signals are corresponding preset signals or not is detected, and finally, the oil pump motor is controlled to work under the condition that one state signal is corresponding preset signal, namely the hand brake state signal is a signal representing that a hand brake is in a release state and/or the gear state signal is a signal representing that a gear is in a starting gear. According to the control method, the work of the oil pump motor is controlled by monitoring the hand brake state and the gear state, so that when the hand brake is in a release state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pull-up state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the problem that the steering capacity of a vehicle is lost due to the fact that the hand brake fails in the driving process can be solved, the reliability of the control method of the oil pump is improved, and the driving safety is improved.
2) In the control device, the acquisition unit acquires a plurality of state signals, the state signals comprise hand brake state signals and gear state signals, the detection unit detects whether the state signals are corresponding preset signals, and the control unit controls the oil pump motor to work under the condition that one state signal is corresponding preset signals, namely the hand brake state signals represent that the hand brake is in a release state and/or the gear state signals represent that the gear is in a starting gear. The control device controls the work of the oil pump motor by monitoring the hand brake state and the gear state, so that when the hand brake is in a loosening state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pulling-up state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the phenomenon that the vehicle loses steering capacity due to the hand brake fault in the driving process can be avoided, the problem of reliability of a control method of the oil pump is solved, and the driving safety is improved.
3) In the control system, firstly, a plurality of state signals are collected by a first controller, the state signals comprise hand brake state signals and gear state signals, then the first controller detects whether the state signals are corresponding preset signals, and finally, under the condition that one state signal is corresponding preset signals, namely under the condition that the hand brake state signals represent that a hand brake is in a release state and/or the gear state signals represent that a gear is in a driving gear, the first controller controls an oil pump motor to work through a second controller. The control system controls the work of the oil pump motor by monitoring the hand brake state and the gear state, so that when the hand brake is in a loosening state and/or the gear is in a driving gear, the oil pump motor works, when the hand brake is in a pulling state and the gear is in a parking gear, the oil pump motor does not work, the driving habit of a driver is met, the problem that the steering capacity of a vehicle is lost due to the fact that the hand brake fails in the driving process can be solved, the reliability of the control method of the oil pump is improved, and the driving safety is improved.
4) In the vehicle of this application, oil pump motor's controlling means includes the acquisition unit, detecting element and the control unit, a plurality of status signals are gathered to the acquisition unit, a plurality of above-mentioned status signals include manual brake status signal and gear status signal, detecting element detects above-mentioned status signal whether be corresponding predetermined signal, the control unit is under the condition that above-mentioned predetermined signal that one above-mentioned status signal is corresponding, promptly under the condition that manual brake status signal is the signal that the representation manual brake is in the unclamping state and/or gear status signal is the signal that the representation gear is in the gear of driving, control oil pump motor work. The work of this vehicle through monitoring manual brake state and gear state control oil pump motor for when the manual brake is in the unclamping state and/or the gear is in the gear of driving, oil pump motor work, the manual brake is in and draws the state and the gear is in when stopping the gear, and oil pump motor is out of work, both accorded with driver's driving custom, can avoid again in the driving process manual brake trouble to lead to the vehicle to lose the problem of steering capacity, has improved the reliability of the control method of oil pump, has improved driving safety nature.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. A control method of an oil pump motor, characterized by comprising:
collecting a plurality of state signals, wherein the state signals comprise hand brake state signals and gear state signals;
detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal representing that a gear is in a driving gear;
and under the condition that one state signal is the corresponding preset signal, controlling the oil pump motor to work.
2. The method of claim 1, wherein the plurality of status signals further includes an oil pump motor switch signal, and wherein the predetermined signal corresponding to the oil pump motor switch signal is a signal indicative of an open state of an oil pump motor switch.
3. The method according to claim 1 or 2, wherein before detecting whether the status signal is a corresponding predetermined signal, the method further comprises:
detecting whether the hand brake is in a fault state;
and sending first prompt information under the condition that the hand brake is in the fault state.
4. The method of claim 3, wherein detecting whether the handbrake is in a fault state comprises:
detecting whether the speed of the vehicle is greater than a speed threshold;
detecting whether the handbrake is in a pulled-up state or not under the condition that the speed is greater than the speed threshold value;
sending second prompt information under the condition that the hand brake is in a pull-up state, wherein the second prompt information is voice prompt information;
and determining whether the handbrake is in the fault state or not according to whether the prompting time of the second prompting message is greater than a time threshold or not.
5. The method according to claim 1 or the method, further comprising:
collecting the temperature of the oil pump motor;
and sending a third prompt message and controlling the oil pump motor not to stop under the condition that the temperature is greater than the temperature threshold value.
6. A control device of an oil pump motor, characterized by comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a plurality of state signals, and the state signals comprise hand brake state signals and gear state signals;
the detection unit is used for detecting whether the state signal is a corresponding preset signal or not, wherein the preset signal corresponding to the hand brake state signal is a signal for representing that a hand brake is in a release state, and the preset signal corresponding to the gear state signal is a signal for representing that a gear is in a driving gear;
and the control unit is used for controlling the oil pump motor to work under the condition that one state signal is the corresponding preset signal.
7. A control system, comprising:
a first controller comprising a control device of an oil pump motor for performing the method of any one of claims 1 to 6;
a second controller communicatively coupled to the first controller.
8. The control system of claim 7, wherein the first controller and the second controller are communicatively connected via a hardwire or a CAN bus.
9. A storage medium, characterized in that the storage medium comprises a stored program, wherein the program performs the method of any one of claims 1 to 5.
10. A processor, characterized in that the processor is configured to run a program, wherein the program when running performs the method of any of claims 1 to 5.
11. A vehicle characterized by comprising a vehicle body, a control device of an oil pump motor for performing the method of any one of claims 1 to 5, and an oil pump motor, the control device of the oil pump motor and the oil pump motor being located in the vehicle body, the control device of the oil pump motor being for controlling the operation of the oil pump motor.
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| CN201911383167.XA CN111114631A (en) | 2019-12-27 | 2019-12-27 | Control method and control device for oil pump motor, storage medium and processor |
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| CN201911383167.XA CN111114631A (en) | 2019-12-27 | 2019-12-27 | Control method and control device for oil pump motor, storage medium and processor |
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