CN220947567U - Speed limiting device of vehicle and chassis vehicle - Google Patents
Speed limiting device of vehicle and chassis vehicle Download PDFInfo
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Abstract
The utility model relates to the technical field of vehicle control, in particular to a speed limiting device of a vehicle and a chassis vehicle, comprising: a demand acquisition component, a speed limit arbitration component and an execution component. The speed limiting arbitration component is connected with the demand acquisition component, the execution component is connected with the speed limiting arbitration component, and the speed limiting arbitration component generates a target speed limiting mode and a speed limit corresponding to the target speed limiting mode or a rotating speed limit corresponding to the target speed limiting mode or a torque limit corresponding to the target speed limiting mode according to the current speed limiting request; the execution component controls the vehicle to enter a target speed limit mode and limits the speed of the vehicle according to a speed limit, or limits the torque of the vehicle according to a torque limit. Therefore, the problems that in the related art, the speed limit of the vehicle only supports the speed limit under a single scene or a special working condition, software needs to be redeveloped when a plurality of external use scenes exist, and the like are solved, and the response to the speed limit requirements under different scenes can be made.
Description
Technical Field
The utility model relates to the technical field of vehicle control, in particular to a speed limiting device of a vehicle and a chassis vehicle.
Background
In the automatic driving process of the vehicle, the existing speed limiting scheme only supports speed limiting under a single scene or special working condition, when a plurality of external use scenes exist, software needs to be redeveloped, the development period is long, the same vehicle cannot meet the requirements of multiple scenes and multiple functions, and the driving experience of a user is influenced, so that the problem needs to be solved.
Disclosure of utility model
The utility model provides a speed limiting device of a vehicle and a chassis vehicle, which are used for solving the problems that in the related art, the speed limiting of the vehicle only supports the speed limiting under a single scene or a special working condition, when a plurality of external use scenes exist, software needs to be re-developed, the development period is long and the like.
An embodiment of a first aspect of the present utility model provides a speed limiting device for a vehicle, including: a demand acquisition component for acquiring a current speed limit request; the speed limiting arbitration component is connected with the demand acquisition component, and generates a target speed limiting mode and a vehicle speed limit value corresponding to the target speed limiting mode or a rotating speed limit value corresponding to the target speed limiting mode or a torque limit value corresponding to the target speed limiting mode according to the current speed limiting request; the execution assembly is connected with the speed limiting arbitration assembly, controls the vehicle to enter the target speed limiting mode, and limits the speed of the vehicle according to the speed limit value, limits the rotating speed of the vehicle according to the rotating speed limit value, or limits the torque of the vehicle according to the torque limit value.
Optionally, the speed limit arbitration component includes: the first generation unit is connected with the demand acquisition component, and generates a first speed limiting mode and a vehicle speed limit value corresponding to the first speed limiting mode when the current speed limiting request is a regional speed limiting request; and/or, the second generating unit is connected with the demand acquisition component, and when the current speed limiting request is a working speed limiting request, the second generating unit generates a second speed limiting mode and a vehicle speed limit value corresponding to the second speed limiting mode; and/or, a third generating unit, which is connected with the demand acquisition component, and generates a vehicle speed following mode and a vehicle speed limit value corresponding to the vehicle speed following mode when the current speed limiting request is a following speed limiting request; and/or, the fourth generating unit is connected with the demand acquisition component, and generates a first rotation speed following mode and a rotation speed limit value corresponding to the first rotation speed following mode when the current speed limiting request is a first rotation speed limiting request; and/or, a fifth generating unit, which is connected to the demand obtaining component, and generates a second rotation speed following mode and a rotation speed limit value corresponding to the second rotation speed following mode when the current speed limiting request is a second vehicle speed limiting request; and/or a sixth generating unit, the sixth generating unit is connected with the demand acquisition component, and the sixth generating unit generates a torque limit mode and a torque limit corresponding to the torque limit mode when the current speed limit request is a torque speed limit request.
Optionally, the executing component includes: the first control unit is connected with the first generation unit and controls the vehicle to enter the first speed limiting mode; the second control unit is connected with the second generation unit and controls the vehicle to enter the second speed limiting mode; the third control unit is connected with the third generation unit and controls the vehicle to enter the vehicle speed following mode; the fourth control unit is connected with the fourth generation unit and controls the vehicle to enter the first rotation speed following mode; the fifth control unit is connected with the fifth generation unit and controls the vehicle to enter the second rotation speed following mode; and the sixth control unit is connected with the sixth generation unit and controls the vehicle to enter the torque limit mode.
Optionally, the execution assembly further includes: the vehicle speed limiting unit is respectively connected with the first generating unit, the second generating unit and the third generating unit, and limits the vehicle speed of the vehicle according to the vehicle speed limit value corresponding to the first speed limiting mode, the vehicle speed limit value corresponding to the second speed limiting mode or the vehicle speed limit value corresponding to the vehicle speed following mode; the rotating speed limiting unit is respectively connected with the fourth generating unit and the fifth generating unit, and limits the rotating speed of the vehicle according to the rotating speed limit value corresponding to the first rotating speed following mode or the rotating speed limit value corresponding to the second rotating speed following mode; and the torque limiting unit is assembled with the sixth generating unit and limits the torque of the vehicle according to the torque limit value corresponding to the torque limit value mode.
Optionally, the speed limiting arbitration component is connected with the demand acquisition component by adopting a controller area network CAN.
Optionally, the speed limiting device of a vehicle further includes: the detection component is connected with the execution component and used for detecting whether the current speed limiting mode of the vehicle is the same as the target speed limiting mode or not; the reminding component is connected with the detection component, and generates acoustic reminding information and/or optical reminding information when the current speed limiting mode is different from the target speed limiting mode.
Optionally, the reminding component includes: the acoustic reminding unit is connected with the detection assembly and generates the acoustic reminding information when the current speed limiting mode is different from the target speed limiting mode; and/or the optical reminding unit is connected with the detection assembly, and generates the optical reminding information when the current speed limiting mode is different from the target speed limiting mode.
Optionally, the speed limiting device of a vehicle further includes: and the display assembly is connected with the detection assembly and displays the current speed limiting mode.
Optionally, the speed limiting device of a vehicle further includes: the communication component is connected with the detection component, and when the current speed limiting mode is different from the target speed limiting mode, the communication component sends early warning information of the current speed limiting mode being different from the target speed limiting mode to a preset mobile terminal.
An embodiment of the second aspect of the present utility model provides a chassis vehicle comprising the speed limiting device of the vehicle described above.
The utility model comprises a demand acquisition component, a speed limit arbitration component and an execution component for acquiring a current speed limit request. The speed limiting arbitration component is connected with the demand acquisition component, the execution component is connected with the speed limiting arbitration component, the speed limiting arbitration component generates a speed limit value corresponding to the target speed limiting mode or a rotation speed limit value corresponding to the target speed limiting mode or a torque limit value corresponding to the target speed limiting mode according to the current speed limiting request, the execution component controls the vehicle to enter the target speed limiting mode, and the speed of the vehicle is limited according to the speed limit value, or the rotation speed of the vehicle is limited according to the rotation speed limit value, or the torque of the vehicle is limited according to the torque limit value. Therefore, the problems that in the related art, the speed limit of a vehicle only supports the speed limit of a single scene or under a special working condition, when a plurality of external use scenes exist, software needs to be redeveloped, the open period is long and the like are solved, the development period is shortened, the response to the speed limit requirements under different scenes can be made, and the same chassis is suitable for the speed limit and the running requirements of different scenes and different uploading.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
Fig. 1 is a schematic block diagram of a speed limiting device of a vehicle according to an embodiment of the present utility model;
fig. 2 is a schematic view of a speed limiting device of a vehicle according to an embodiment of the utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
The following describes a speed limiting device of a vehicle, a chassis vehicle of an embodiment of the utility model with reference to the drawings. Aiming at the problems that the speed limit of a vehicle in the related technology mentioned in the background technology center only supports the speed limit under a single scene or a special working condition, when a plurality of external use scenes exist, software needs to be redeveloped and the development period is long, the utility model provides a speed limiting device of the vehicle, which comprises a demand acquisition component, a speed limiting arbitration component and an execution component, wherein the demand acquisition component is used for acquiring a current speed limiting request. The speed limiting arbitration component is connected with the demand acquisition component, the execution component is connected with the speed limiting arbitration component, and the speed limiting arbitration component generates a target speed limiting mode and a speed limit corresponding to the target speed limiting mode or a rotating speed limit corresponding to the target speed limiting mode or a torque limit corresponding to the target speed limiting mode according to the current speed limiting request; the execution component controls the vehicle to enter a target speed limit mode and limits the speed of the vehicle according to a speed limit, or limits the torque of the vehicle according to a torque limit. Therefore, the problems that in the related art, the speed limit of a vehicle only supports the speed limit of a single scene or under a special working condition, when a plurality of external use scenes exist, software needs to be redeveloped, the development period is long and the like are solved, the development period is shortened, the response to the speed limit requirements under different scenes can be made, and the same chassis is suitable for the speed limit and the running requirements of different scenes and different uploading.
Specifically, fig. 1 is a schematic block diagram of a speed limiting device of a vehicle according to an embodiment of the present utility model.
As shown in fig. 1, the speed limiting device 10 of the vehicle includes: a demand acquisition component 100, a speed limit arbitration component 200, and an execution component 300.
The demand acquisition component 100 is configured to acquire a current speed limit request; the speed limit arbitration component 200 is connected with the demand acquisition component 100, and the speed limit arbitration component 200 generates a speed limit value corresponding to a target speed limit mode and a target speed limit mode or a rotation speed limit value corresponding to the target speed limit mode or a torque limit value corresponding to the target speed limit mode according to the current speed limit request; the execution assembly 300 is connected to the speed limit arbitration assembly 200, and the execution assembly 300 controls the vehicle to enter a target speed limit mode, and limits the speed of the vehicle according to a speed limit, limits the rotational speed of the vehicle according to a rotational speed limit, or limits the torque of the vehicle according to a torque limit.
Specifically, the speed limit requests include a regional speed limit request, a work speed limit request, a follow-up speed limit request, a first vehicle speed limit request, a second vehicle speed limit request, and a torque speed limit request, and the developer can set the priority of the speed limit request. The target speed limit mode includes a first speed limit mode, a second speed limit mode, a vehicle speed following mode, a first rotational speed following mode, a second rotational speed following mode, and a torque limit mode.
Wherein in some embodiments, speed limit arbitration component 200 comprises: the first generating unit, and/or the second generating unit, and/or the third generating unit, and/or the fourth generating unit, and/or the fifth generating unit, and/or the sixth generating unit. The first generating unit is connected with the demand acquisition component 100, the second generating unit is connected with the demand acquisition component 100, the third generating unit is connected with the demand acquisition component 100, the fourth generating unit is connected with the demand acquisition component 100, the fifth generating unit is connected with the demand acquisition component 100, and the sixth generating unit is connected with the demand acquisition component 100. When the current speed limit request is a regional speed limit request, the first generation unit generates a first speed limit mode and a vehicle speed limit value corresponding to the first speed limit mode; the second generation unit generates a second speed limit mode and a vehicle speed limit value corresponding to the second speed limit mode when the current speed limit request is a working speed limit request; the third generation unit generates a vehicle speed following mode and a vehicle speed limit value corresponding to the vehicle speed following mode when the current speed limit request is a following speed limit request; the fourth generation unit generates a first rotation speed following mode and a rotation speed limit value corresponding to the first rotation speed following mode when the current speed limit request is a first rotation speed limit request; when the current speed limiting request is a second vehicle speed limiting request, the fifth generating unit generates a second rotating speed following mode and a rotating speed limiting value corresponding to the second rotating speed following mode; and the sixth generation unit generates a torque limit value corresponding to the torque limit value mode and the torque limit value mode when the current speed limit request is the torque speed limit request.
Wherein in some embodiments, the execution component 300 comprises: the first control unit, the second control unit, the third control unit, the fourth control unit, the fifth control unit and the sixth control unit. The first control unit is connected with the first generation unit, the second control unit is connected with the second generation unit, the third control unit is connected with the third generation unit, the fourth control unit is connected with the fourth generation unit, the fifth control unit is connected with the fifth generation unit, and the sixth control unit is connected with the sixth generation unit. The first control unit controls the vehicle to enter a first speed limiting mode; the second control unit controls the vehicle to enter a second speed limiting mode; the third control unit controls the vehicle to enter a vehicle speed following mode; the fourth control unit controls the vehicle to enter a first rotation speed following mode; the fifth control unit controls the vehicle to enter a second rotation speed following mode; the sixth control unit controls the vehicle to enter a torque limit mode.
Wherein, in some embodiments, the execution component 300 further comprises: a vehicle speed limiting unit, a rotation speed limiting unit and a torque limiting unit. The vehicle speed limiting unit is respectively connected with the first generating unit, the second generating unit and the third generating unit, the rotating speed limiting unit is respectively connected with the fourth generating unit and the fifth generating unit, and the torque limiting unit is connected with the sixth generating unit. The vehicle speed limiting unit limits the vehicle speed of the vehicle according to the vehicle speed limit value corresponding to the first speed limiting mode, the vehicle speed limit value corresponding to the second speed limiting mode or the vehicle speed limit value corresponding to the vehicle speed following mode; the rotation speed limiting unit limits the rotation speed of the vehicle according to the rotation speed limit value corresponding to the first rotation speed following mode or the rotation speed limit value corresponding to the second rotation speed following mode; the torque limiting unit limits the torque of the vehicle according to the torque limit corresponding to the torque limit mode.
Optionally, in some embodiments, the speed limit arbitration component 200 is coupled to the demand acquisition component 100 using a controller area network CAN.
It will be appreciated that the driver inputs the speed limit demand or demands via a hard-wired or CAN-bus.
When the driver inputs a speed limit demand by hard-wired or CAN-bus,
If the current speed limit request acquired by the demand acquisition component 100 is a regional speed limit request, a first generation unit in the speed limit arbitration component 200 generates a first speed limit mode according to the regional speed limit request, a first control unit controls the vehicle to enter the first speed limit mode, and a vehicle speed limiting unit in the execution component 300 limits the vehicle speed according to a vehicle speed limit value corresponding to the first speed limit mode;
If the current speed limit request acquired by the demand acquisition component 100 is a working speed limit request, when a second generation unit in the speed limit arbitration component 200 generates a second speed limit mode according to the working speed limit request, a second control unit controls the vehicle to enter the second speed limit mode, and a vehicle speed limiting unit in the execution component 300 limits the vehicle speed according to a vehicle speed limit value corresponding to the second speed limit mode;
If the current speed limit request acquired by the demand acquisition component 100 is a following speed limit request, a third generation unit in the speed limit arbitration component 200 generates a vehicle speed following mode according to the following speed limit request, a third control unit controls the vehicle to enter the vehicle speed following mode, and a vehicle speed limiting unit in the execution component 300 limits the vehicle speed according to a vehicle speed limit value corresponding to the vehicle speed following mode;
If the current speed limiting request acquired by the demand acquisition component 100 is a first vehicle speed limiting request, a fourth generation unit in the speed limiting arbitration component 200 generates a first speed following mode according to the first vehicle speed limiting request, a fourth control unit controls the vehicle to enter the first speed following mode, and a speed limiting unit in the execution component 300 limits the speed of the vehicle according to a speed limiting value corresponding to the first speed following mode;
If the current speed limiting request acquired by the demand acquisition component 100 is a second vehicle speed limiting request, a fifth generating unit in the speed limiting arbitration component 200 generates a second speed following mode according to the second vehicle speed limiting request, a fifth control unit controls the vehicle to enter the second speed following mode, and a speed limiting unit in the execution component 300 limits the speed of the vehicle according to a speed limiting value corresponding to the second speed following mode;
If the current speed limit request acquired by the demand acquisition component 100 is a torque speed limit request, a sixth generation unit in the speed limit arbitration component 200 generates a torque limit mode according to the torque speed limit request, a sixth control unit controls the vehicle to enter the torque limit mode, and a torque limiting unit in the execution component 300 limits the torque of the vehicle according to a torque limit corresponding to the torque limit mode;
when the driver inputs a plurality of speed limit demands by hard wire or CAN bus,
If the plurality of speed limiting requirements comprise a regional speed limiting request, a first vehicle speed limiting request and a torque speed limiting request, the embodiment of the application can respectively generate a first speed limiting mode and a vehicle speed limiting value corresponding to the first speed limiting mode according to the regional speed limiting request, generate a first rotational speed following mode and a rotational speed limiting value corresponding to the first rotational speed following mode according to the first vehicle speed limiting request and generate a torque limiting value corresponding to the torque limiting mode and the torque limiting value mode according to the torque speed limiting request;
If the plurality of speed limiting requirements include a regional speed limiting request and a second vehicle speed limiting request, the embodiment of the application can generate a first speed limiting mode and a vehicle speed limiting value corresponding to the first speed limiting mode according to the regional speed limiting request respectively, and generate a second rotation speed following mode and a rotation speed limiting value corresponding to the second rotation speed following mode according to the second vehicle speed limiting request.
It should be noted that, the above examples of the driver inputting a plurality of speed limit requests by a hard wire manner or a CAN bus manner are merely exemplary, and are not limiting to the present application, and a person skilled in the art may choose to generate one speed limit request or generate a plurality of speed limit requests according to actual situations, and the number of the generated speed limit requests is not fixed, so that redundancy is avoided, and detailed description is omitted here.
Optionally, in some embodiments, the speed limiting device 10 of the vehicle further includes: the device comprises a detection component and a reminding component. Wherein, detection component links to each other with execution component 300, reminds the subassembly to link to each other with detection component. The detection component detects whether the current speed limiting mode of the vehicle is the same as the target speed limiting mode; and when the current speed limiting mode is different from the target speed limiting mode, the reminding component generates acoustic reminding information and/or optical reminding information.
Wherein, in some embodiments, the alert component comprises: the acoustic reminding unit is connected with the detection assembly and generates acoustic reminding information when the current speed limiting mode is different from the target speed limiting mode; and/or the optical reminding unit is connected with the detection assembly, and generates optical reminding information when the current speed limiting mode is different from the target speed limiting mode.
Specifically, when the current speed limit mode is different from the target speed limit mode, the acoustic reminding unit sends out acoustic reminding information, and the optical reminding unit sends out optical reminding information, or the acoustic reminding unit sends out acoustic reminding information, or the optical reminding unit sends out optical reminding information.
Optionally, in some embodiments, the speed limiting device 10 of the vehicle further includes: the display component is connected with the detection component and displays the current speed limiting mode.
The display component can be a vehicle-mounted display screen, and the speed limiting mode of the current vehicle is displayed based on the vehicle-mounted display screen.
Optionally, in some embodiments, the speed limiting device 10 of the vehicle further includes: and the communication component is connected with the detection component and used for sending early warning information of different current speed limiting modes and different target speed limiting modes to the preset mobile terminal when the current speed limiting modes and the target speed limiting modes are different.
The preset mobile terminal refers to an electronic terminal device (such as a mobile phone, a tablet computer and the like) with an independent operating system, a program provided by a third party service provider of a passenger for installing software and games by himself/herself, functions of the electronic terminal device are continuously expanded through the program, and data interaction can be performed through a communication module and other intelligent devices.
Specifically, when the detection component detects that the current speed limiting mode of the vehicle is different from the target speed limiting mode, the communication component sends early warning information to the preset mobile terminal to remind a driver that the current speed limiting mode is different from the target speed limiting mode.
It should be noted that, the vehicle speed limit value, the torque limit value and the rotation speed limit value all need to be calibrated, and the method can be practically applied to projects.
In order for those skilled in the art to further understand the speed limiting device 10 of the vehicle according to the embodiment of the present utility model, the following description will be made in detail with reference to the specific embodiment, and as shown in fig. 2, the speed limiting device 10 of the vehicle may be applied to the following scenarios:
Scene 1: when the maximum speed of the chassis vehicle is 90km/h, and the maximum speed is required to be limited to be V1 (such as 60km/h, calibration quantity) in a limited area, a hard wire or CAN bus CAN be used for sending an area speed limit request EXT_ SpdReq _1 to an external request speed limit arbitration component, after the request acquisition component 100 receives the area speed limit request, a first generation unit in the speed limit arbitration component 200 sends a first speed limit mode and a corresponding speed limit value according to the area speed limit request, and a speed limit unit in the execution component 300 limits the maximum speed to be in a specified range according to the speed limit value;
Scene 2: when the chassis vehicle is running, considering the working condition of the uploading, when the uploading is in a working state, and the highest vehicle speed is required to be limited to be V2 (such as 5km/h, a calibration quantity), a working speed limiting request EXT_ SpdReq _2 CAN be sent to an external request speed limiting arbitration component through a hard wire or a CAN bus, after the requirement acquisition component 100 receives the working speed limiting request, a second generation unit in the speed limiting arbitration component 200 sends a second speed limiting mode and a corresponding vehicle speed limit value according to the working speed limiting request, and a vehicle speed limiting unit in the execution component 300 limits the highest vehicle speed to be in a specified range according to the vehicle speed limit value.
Scene 3: when the chassis vehicle runs, considering the working condition of the upper package, and when the chassis vehicle is expected to run at the expected speed above the upper package, and when the chassis vehicle needs to follow the externally requested speed value, the following speed limit request EXT_ SpdReq _3 CAN be sent to the externally requested speed limit arbitration component through a hard wire or a CAN bus, after the demand acquisition component 100 receives the following speed limit request, a third generation unit in the speed limit arbitration component 200 sends a speed following mode and a corresponding speed value according to the following speed limit request, and a speed limiting unit in the execution component 300 limits the speed within an allowable range according to the speed limit value.
Scene 4: when the chassis vehicle approaches a target object at a certain speed, the vehicle cannot limit the speed in a torque control mode, the required speed always follows a contracted rotation speed value motor_spd (such as 500 rpm) within a certain distance, the running of the vehicle is expected to be controlled in a rotation speed control mode, a first vehicle speed limiting request EXT_ SpdReq _4 CAN be sent to an external request speed limiting arbitration component through a hard wire or a CAN bus, after the request acquisition component 100 receives the first vehicle speed limiting request, a fourth generation unit in the speed limiting arbitration component 200 sends a first rotation speed following mode and a corresponding first rotation speed limiting value according to the first vehicle speed limiting request, and a rotation speed limiting unit in the execution component 300 limits the rotation speed of the vehicle within a specified range according to the first rotation speed limiting value.
Scene 5: when the chassis vehicle approaches a target object at a certain speed, the vehicle cannot limit the speed in a torque control mode, the required speed always follows a contracted rotation speed value motor_spd (such as 200 rpm) within a certain distance, the running of the vehicle is expected to be controlled in a rotation speed control mode, a second vehicle speed limiting request EXT_ SpdReq CAN be sent to an external request speed limiting arbitration component through a hard wire or a CAN bus, after the request acquisition component 100 receives the second vehicle speed limiting request, a fifth generation unit in the speed limiting arbitration component 200 sends a second rotation speed following mode and a corresponding second rotation speed limiting value according to the second vehicle speed limiting request, and a rotation speed limiting unit in the execution component 300 limits the rotation speed of the vehicle within a specified range according to the second rotation speed limiting value.
Scene 6: when the chassis vehicle runs, a part of the vehicle type is powered from the gearbox, and the torque demand of the upper assembly is considered, when the torque of the driving motor needs to be limited, a torque speed limit request EXT_ SpdReq _6 CAN be sent to an external request speed limit arbitration component through a hard wire or a CAN bus, after the request acquisition component 100 receives the torque speed limit request, a sixth generation unit in the speed limit arbitration component 200 sends a torque limit mode and a corresponding torque limit according to the torque speed limit request, and a torque limit unit in the execution component 300 limits the vehicle torque within an allowable range according to the torque limit.
The speed limiting device of the vehicle provided by the embodiment of the utility model comprises a demand acquisition component for acquiring a current speed limiting request, a speed limiting arbitration component and an execution component. The speed limiting arbitration component is connected with the demand acquisition component, the execution component is connected with the speed limiting arbitration component, the speed limiting arbitration component generates a speed limit value corresponding to the target speed limiting mode or a rotation speed limit value corresponding to the target speed limiting mode or a torque limit value corresponding to the target speed limiting mode according to the current speed limiting request, the execution component controls the vehicle to enter the target speed limiting mode, and the speed of the vehicle is limited according to the speed limit value, or the rotation speed of the vehicle is limited according to the rotation speed limit value, or the torque of the vehicle is limited according to the torque limit value. Therefore, the problems that in the related art, the speed limit of a vehicle only supports the speed limit of a single scene or under a special working condition, when a plurality of external use scenes exist, software needs to be redeveloped, the development period is long and the like are solved, the development period is shortened, the response to the speed limit requirements under different scenes can be made, and the same chassis is suitable for the speed limit and the running requirements of different scenes and different uploading.
The embodiment of the utility model also provides a chassis vehicle which comprises the speed limiting device of the vehicle.
According to the chassis vehicle provided by the embodiment of the utility model, the problems that the speed limit of the vehicle only supports the speed limit under a single scene or a special working condition in the related technology, software needs to be redeveloped, the development period is long and the like when a plurality of external use scenes exist are solved, the development period is shortened, the response to the speed limit requirements under different scenes can be made, and the same chassis is suitable for the speed limit and the running requirements of different scenes and different uploading.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, "N" means at least two, for example, two, three, etc., unless specifically defined otherwise.
It is to be understood that portions of the present utility model may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As with the other embodiments, if implemented in hardware, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Claims (10)
1. A speed limiting device for a vehicle, comprising:
a demand acquisition component for acquiring a current speed limit request;
The speed limiting arbitration component is connected with the demand acquisition component, and generates a target speed limiting mode and a vehicle speed limit value corresponding to the target speed limiting mode or a rotating speed limit value corresponding to the target speed limiting mode or a torque limit value corresponding to the target speed limiting mode according to the current speed limiting request; and
The execution assembly is connected with the speed limiting arbitration assembly, controls the vehicle to enter the target speed limiting mode, and limits the speed of the vehicle according to the speed limit value, limits the rotating speed of the vehicle according to the rotating speed limit value, or limits the torque of the vehicle according to the torque limit value.
2. The apparatus of claim 1, wherein the speed limit arbitration component comprises:
The first generation unit is connected with the demand acquisition component, and generates a first speed limiting mode and a vehicle speed limit value corresponding to the first speed limiting mode when the current speed limiting request is a regional speed limiting request;
And/or, the second generating unit is connected with the demand acquisition component, and when the current speed limiting request is a working speed limiting request, the second generating unit generates a second speed limiting mode and a vehicle speed limit value corresponding to the second speed limiting mode;
And/or, a third generating unit, which is connected with the demand acquisition component, and generates a vehicle speed following mode and a vehicle speed limit value corresponding to the vehicle speed following mode when the current speed limiting request is a following speed limiting request;
and/or, the fourth generating unit is connected with the demand acquisition component, and generates a first rotation speed following mode and a rotation speed limit value corresponding to the first rotation speed following mode when the current speed limiting request is a first rotation speed limiting request;
And/or, a fifth generating unit, which is connected to the demand obtaining component, and generates a second rotation speed following mode and a rotation speed limit value corresponding to the second rotation speed following mode when the current speed limiting request is a second vehicle speed limiting request;
and/or a sixth generating unit, the sixth generating unit is connected with the demand acquisition component, and the sixth generating unit generates a torque limit mode and a torque limit corresponding to the torque limit mode when the current speed limit request is a torque speed limit request.
3. The apparatus of claim 2, wherein the execution component comprises:
the first control unit is connected with the first generation unit and controls the vehicle to enter the first speed limiting mode;
the second control unit is connected with the second generation unit and controls the vehicle to enter the second speed limiting mode;
The third control unit is connected with the third generation unit and controls the vehicle to enter the vehicle speed following mode;
The fourth control unit is connected with the fourth generation unit and controls the vehicle to enter the first rotation speed following mode;
The fifth control unit is connected with the fifth generation unit and controls the vehicle to enter the second rotation speed following mode;
And the sixth control unit is connected with the sixth generation unit and controls the vehicle to enter the torque limit mode.
4. The apparatus of claim 2 or 3, wherein the execution component further comprises:
the vehicle speed limiting unit is respectively connected with the first generating unit, the second generating unit and the third generating unit, and limits the vehicle speed of the vehicle according to the vehicle speed limit value corresponding to the first speed limiting mode, the vehicle speed limit value corresponding to the second speed limiting mode or the vehicle speed limit value corresponding to the vehicle speed following mode;
The rotating speed limiting unit is respectively connected with the fourth generating unit and the fifth generating unit, and limits the rotating speed of the vehicle according to the rotating speed limit value corresponding to the first rotating speed following mode or the rotating speed limit value corresponding to the second rotating speed following mode;
And the torque limiting unit is assembled with the sixth generating unit and limits the torque of the vehicle according to the torque limit value corresponding to the torque limit value mode.
5. The apparatus of claim 4, wherein the speed limit arbitration component is coupled to the demand acquisition component using a controller area network CAN.
6. The apparatus as recited in claim 5, further comprising:
the detection component is connected with the execution component and used for detecting whether the current speed limiting mode of the vehicle is the same as the target speed limiting mode or not;
The reminding component is connected with the detection component, and generates acoustic reminding information and/or optical reminding information when the current speed limiting mode is different from the target speed limiting mode.
7. The apparatus of claim 6, wherein the alert assembly comprises:
the acoustic reminding unit is connected with the detection assembly and generates the acoustic reminding information when the current speed limiting mode is different from the target speed limiting mode;
And/or the optical reminding unit is connected with the detection assembly, and generates the optical reminding information when the current speed limiting mode is different from the target speed limiting mode.
8. The apparatus as recited in claim 7, further comprising:
and the display assembly is connected with the detection assembly and displays the current speed limiting mode.
9. The apparatus as recited in claim 8, further comprising:
The communication component is connected with the detection component, and when the current speed limiting mode is different from the target speed limiting mode, the communication component sends early warning information of the current speed limiting mode being different from the target speed limiting mode to a preset mobile terminal.
10. A chassis vehicle, comprising: a speed limiting device for a vehicle according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324181.0U CN220947567U (en) | 2023-08-29 | 2023-08-29 | Speed limiting device of vehicle and chassis vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324181.0U CN220947567U (en) | 2023-08-29 | 2023-08-29 | Speed limiting device of vehicle and chassis vehicle |
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| CN220947567U true CN220947567U (en) | 2024-05-14 |
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| CN202322324181.0U Active CN220947567U (en) | 2023-08-29 | 2023-08-29 | Speed limiting device of vehicle and chassis vehicle |
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