CN110194056A - A kind of vehicle overload detecting method, device and vehicle - Google Patents
A kind of vehicle overload detecting method, device and vehicle Download PDFInfo
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- CN110194056A CN110194056A CN201810162838.9A CN201810162838A CN110194056A CN 110194056 A CN110194056 A CN 110194056A CN 201810162838 A CN201810162838 A CN 201810162838A CN 110194056 A CN110194056 A CN 110194056A
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- vehicle
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- overload
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/08—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the cargo, e.g. overload
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The present invention provides a kind of vehicle overload detecting methods and a kind of vehicle overload detection device, wherein vehicle overload detecting method is the first parameter information and preset threshold according to vehicle, determine whether to overload, warning message is exported if overload, wherein the first parameter information includes bodywork height, and bodywork height can be obtained by the height sensor installed on existing vehicle, without components such as additional installation weight sensing instruments, to improve the feasibility of overload detection, while saving cost.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of vehicle overload detecting method, device and vehicle.
Background technique
Overload of vehicle will not only damage vehicle itself, and can also generate biggish risk to driving safety.For
Vehicle itself, overload can shorten vehicle service life, and the abrasion of tire and variation, the damage of acceleration motor, influence is accelerated to hang
Hang performance etc.；For in terms of driving safety, overload can be such that hard steering, centrifugal force increases, reduce braking ability, increase wind of blowing out
Danger etc..
The overload detection of existing vehicle mainly relies on electronic weighing instrument realization, but electronic weighing instrument is pacified in actual vehicle
Dress arrangement and technology realize upper poor feasibility.
Summary of the invention
In view of this, the present invention is directed to propose a kind of vehicle overload detecting method, to improve the feasible of overload of vehicle detection
Property.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle overload detecting method, which comprises
The first parameter information of the vehicle is obtained, first parameter information includes bodywork height；
According to first parameter information and preset threshold, determine whether to overload；
If it is determined that overload, exports warning message.
Further, described that the step of overloading is determined whether according to first parameter information and preset threshold, packet
It includes:
When the bodywork height is less than the first default fully loaded height, overload is determined.
Further, first parameter information further includes the time point for obtaining the bodywork height, described according to
First parameter information and preset threshold, determine whether the step of overloading, comprising:
According to the time point of the bodywork height and the acquisition bodywork height, bodywork height change rate is obtained；
The bodywork height that the bodywork height change rate is met to preset condition, is determined as effective bodywork height；
According to the default fully loaded height of effective bodywork height and second, determine whether to overload.
Further, described according to the default fully loaded height of effective bodywork height and second, determine whether to overload
Step, comprising:
The mean value for calculating effective bodywork height in preset time period obtains average bodywork height；
When the average bodywork height is less than the described second default fully loaded height, overload is determined.
Further, first parameter information for obtaining the vehicle, first parameter information includes bodywork height
The step of, comprising:
The bodywork height of the vehicle is obtained by height sensor.
Further, described before the step of bodywork height that the vehicle is obtained by height sensor
Method further include:
The height sensor is diagnosed；
The step of bodywork height that the vehicle is obtained by height sensor, comprising:
If diagnostic result be it is normal, the bodywork height of the vehicle is obtained by height sensor.
Further, first parameter information further includes vehicle body pressure, and the vehicle body pressure is by being mounted on the vehicle
On pressure sensor obtain.
Compared with the existing technology, a kind of vehicle overload detecting method of the present invention has the advantage that
A kind of vehicle overload detecting method provided by the invention, this method are according to the first parameter information of vehicle and pre-
If threshold value, determine whether to overload, exports warning message if overload, wherein the first parameter information includes bodywork height, and vehicle body
Height can be obtained by the height sensor installed on existing vehicle, install the components such as weight sensing instrument without additional, from
And the feasibility of overload detection is improved, while saving cost.
Another object of the present invention is to propose a kind of vehicle overload detection device, to improve the feasible of overload of vehicle detection
Property.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle overload detection device, described device include:
Acquisition module, for obtaining the first parameter information of the vehicle, first parameter information includes bodywork height；
Determination module, for determining whether to overload according to first parameter information and preset threshold；
Alarm module, for exporting warning message when determining overload.
Further, the determination module includes:
First decision sub-module, for determining overload when the bodywork height is less than the first default fully loaded height.
The vehicle overload detection device and above-mentioned vehicle overload detecting method compared with the existing technology possessed by advantage
Identical, details are not described herein.
Another object of the present invention is to propose a kind of vehicle, to improve the feasibility of overload of vehicle detection.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of vehicle, the vehicle include vehicle overload detection device described in any of the above embodiments.
Possessed advantage is identical compared with the existing technology with above-mentioned vehicle overload detecting method for the vehicle, herein no longer
It repeats.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of step flow chart of vehicle overload detecting method described in one embodiment of the invention；
Fig. 2 is the structural schematic diagram of height sensor described in one embodiment of the invention；
Fig. 3 is a kind of step process of a kind of implementation of vehicle overload detecting method described in one embodiment of the invention
Figure；
The step of Fig. 4 is a kind of another implementation of vehicle overload detecting method described in one embodiment of the invention is flowed
Cheng Tu；
Fig. 5 is super to determine in a kind of another implementation of vehicle overload detecting method described in one embodiment of the invention
The step flow chart of load；
Fig. 6 is in a kind of another implementation of vehicle overload detecting method described in one embodiment of the invention at data
The flow chart of reason；
Fig. 7 is the flow chart for increasing diagnosis algorithm in a kind of vehicle overload detecting method described in one embodiment of the invention；
Fig. 8 is a kind of structural block diagram of vehicle overload detection device described in one embodiment of the invention；
Fig. 9 is a kind of structural frames of determination module in a kind of vehicle overload detection device described in one embodiment of the invention
Figure；
Figure 10 is the structure of another determination module in a kind of vehicle overload detection device described in one embodiment of the invention
Block diagram；
Figure 11 is the structure of the second decision sub-module in a kind of vehicle overload detection device described in one embodiment of the invention
Block diagram；
Figure 12 is the structural frames for increasing diagnostic module in a kind of vehicle overload detection device described in one embodiment of the invention
Figure；
Description of symbols:
21- height sensor；22- vehicle connecting rod；23- tire.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In the embodiment of the application, referring to Fig.1, a kind of step flow chart of vehicle overload detecting method is shown,
This method may include:
Step 101: obtaining the first parameter information of vehicle, the first parameter information includes bodywork height.
In practical applications, the first parameter information may include bodywork height, but be not limited only to bodywork height, can also wrap
Include the information such as vehicle body pressure, car body weight.Wherein, bodywork height can be by the height sensor that is installed on vehicle
(also known as suspension height sensor) obtains, and height sensor may be mounted on each wheel of vehicle.Vehicle body pressure can
To be obtained by the pressure sensor being mounted on axle.
Specifically, the working condition of height sensor, referring to Fig. 2 shows height sensors 21 and vehicle to connect
The relative positional relationship of bar 22 and tire 23.When vehicle load increases, bodywork height is reduced, vehicle body when vehicle load reduces
Height increases, so can be determined that out the situation of change of vehicle load by the variation of bodywork height, vehicle design phase can
To pre-establish the corresponding relationship of vehicle load and bodywork height, all-up weight pass corresponding with bodywork height is especially established
System.
Step 102: according to the first parameter information and preset threshold, determining whether to overload.
In practical applications, the step for, can be executed by car body controller (BCM), can also be by other in bus
Module executes.
In one implementation, the first parameter information, such as bodywork height and the first default fully loaded height can be carried out
Comparison, determines whether to overload.In another implementation, it will can be sieved first because of wrong data caused by the reasons such as road conditions
Choosing is fallen, and further according to the default fully loaded height of remaining effective bodywork height and second, determines whether to overload.Both implementations can
With the introduction with reference to subsequent embodiment.
Certain the application is not limited to both implementations, for example, it is also possible to the first parameter that will acquire first
Information, such as bodywork height, vehicle body pressure, are converted to car body weight, then car body weight and all-up weight are compared, if
Car body weight is greater than or is equal to all-up weight, then determines to overload.
Step 103: if it is determined that overload, exports warning message.
In practical applications, warning message can be audible alarm information, can also be image or word alarm information etc..
The step for can be by existing alarm lamp, buzzer, full-color virtual instrument, MP5 display screen, sound report on combination instrument or vehicle
Alarm device etc. executes.
Present embodiments provide a kind of vehicle overload detecting method, this method be according to the first parameter information of vehicle and
Preset threshold determines whether to overload, and exports warning message if overload, wherein the first parameter information includes bodywork height, and vehicle
Height degree can be obtained by the height sensor installed on existing vehicle, install the components such as weight sensing instrument without additional,
To improve the feasibility of overload detection, while saving cost.
In a kind of implementation of the present embodiment, referring to Fig. 3, above-mentioned steps 102 be may further include:
Step 301: when bodywork height is less than the first default fully loaded height, determining overload.
In practical work process, such as height sensor point that can first by being mounted on four wheels of vehicle
It Huo Qu not bodywork height data HIt is left front、HBefore the right side、HIt is left back、HBehind the right side, four bodywork heights are then preset into fully loaded height with first respectively
H1It is fully loadedIt compares, determines whether to overload.If four bodywork heights are respectively less than H1It is fully loadedWhen, it is possible to determine that vehicle is in overload shape
State, any bodywork height in four bodywork heights are greater than or equal to H1It is fully loadedWhen, it is possible to determine that vehicle is in non-overload condition.Its
In the first default fully loaded height H1It is fully loadedIt can be bodywork height corresponding with vehicle all-up weight, it can be according to different vehicle
Structure type determines that the application is not especially limited.The quantity that height sensor is installed on vehicle can be according to vehicle reality
Border demand determines that the application is not especially limited.
In another implementation of above-described embodiment, due to being jolted pavement roughness, vehicle etc.
Lead to that suspension travel fluctuates and appearance the case where generate error in data, the first parameter information in step 101 can also include obtaining
The time point of bodywork height is taken, referring to Fig. 4, above-mentioned steps 102 be may further include:
Step 401: according to the time point of bodywork height and acquisition bodywork height, obtaining bodywork height change rate.
In practical applications, can be changed according to the bodywork height of two adjacent time points, calculate the difference of bodywork height with
The ratio of time interval obtains bodywork height change rate H '.
Step 402: bodywork height change rate being met to the bodywork height of preset condition, is determined as effective bodywork height.
In vehicle travel process, when encountering pavement roughness or vehicle jolts, bodywork height change rate is larger,
A bodywork height change rate threshold value △ H can be preset, the bodywork height change rate H ' obtained in the step 401 is greater than vehicle
When body altitude rate threshold value △ H, so that it may assert corresponding bodywork height data invalid；The vehicle body obtained in the step 401
When altitude rate H ' is less than or equal to bodywork height change rate threshold value △ H, so that it may be determined as effective bodywork height.Wherein,
Bodywork height change rate threshold value △ H can be predefined according to test of many times.
Step 403: according to the default fully loaded height of effective bodywork height and second, determining whether to overload.
For example, effective bodywork height and the second default fully loaded height can be compared, if all effective vehicle bodies
Height is respectively less than the second default fully loaded height, it is possible to determine that vehicle-state overload.Wherein the second default fully loaded height H2It is fully loadedIt can be with
It is bodywork height corresponding with vehicle all-up weight, specifically can determines that the application is not according to the structure type of different vehicle
It limits.
In order to further avoid determining caused by data fluctuations in normal driving process unstable result, above-mentioned steps 403,
Referring to Fig. 5, may further include:
Step 501: calculating the mean value of effective bodywork height in preset time period, obtain average bodywork height.
In practical applications, bodywork height height sensor directly acquired within a preset period of time first
It is screened, determines effective bodywork height；Then it is averaged again to effective bodywork height, obtains being averaged in preset time period
Bodywork height.Still by taking four wheels of vehicle are equipped with height sensor as an example, in a certain preset time period, four are obtained
Average bodywork height
Step 502: when average bodywork height is less than the second default fully loaded height, determining overload.
Specifically, when the average bodywork height of all wheels is respectively less than the second default fully loaded height H2It is fully loadedWhen, it is possible to determine that
Vehicle-state is overload, and any average bodywork height is greater than or equal to the second default fully loaded height H2It is fully loadedWhen, it is possible to determine that vehicle
State is non-overload.
For example, preset time period T is set as 1s, as soon as every 20ms obtains time bodywork height, one bodywork height of every acquisition
Primary screening is carried out, is confirmed whether to be effective bodywork height.For being only mounted with height sensor in vehicle the near front wheel
For situation, available 50 bodywork heights in first second, wherein 48 bodywork heights be determined as effective bodywork height (assuming that
49th, 50 bodywork height is invalid), the mean value of 48 effective bodywork heights is further calculated, can be obtained flat in first second
Equal bodywork heightThen, willWith the second default fully loaded height H2It is fully loadedIt compares, ifIt is pre- less than second
If height H2It is fully loaded, it is judged to overloading, is otherwise determined as non-overload.The flow chart of above-mentioned vehicle overload detecting method is referred to figure
Shown in 6.
Similarly, the case where being equipped with height sensor for four wheels of vehicle, can further calculate to obtain
The average bodywork height of off-front wheel, left rear wheel, off hind wheel in first secondThen by four wheels
Average bodywork height and the second default fully loaded height H2It is fully loadedIt compares, if four average bodywork heights are respectively less than second in advance
If height H2It is fully loaded, it is judged to overloading, is otherwise determined as non-overload.
It is effective bodywork height in preset time period to be averaged, then carry out overload judgement in the above-described embodiments；
And in practical applications, the screening process of effective bodywork height is not required, the vehicle that can also will be obtained in preset time period
Height degree is directly averaged, and then carries out overload judgement again.
For by height sensor obtain vehicle bodywork height the case where, in order to avoid being passed due to bodywork height
The case where sensor faults itself leads to decision error appearance present embodiments provides another overload of vehicle detection side referring to Fig. 7
Method may include:
Step 701: height sensor is diagnosed.
Step 702: if diagnostic result be it is normal, pass through height sensor obtain vehicle bodywork height.
Specifically, carrying out subsequent decision process again according to the bodywork height of acquisition, it is referred to previous embodiment, here
It repeats no more.
In practical applications, if the diagnostic result of height sensor is exception, corresponding report can be exported by vehicle
Alert information, to avoid going out due to the case where leading to erroneous judgement due to the faults itself output error data because of height sensor
It is existing.
In addition, when the first parameter information includes vehicle body pressure, the real-time vehicle body that pressure sensor can be acquired
Pressure is compared with default loading pressure, if vehicle body pressure is greater than default loading pressure in real time, determines overload.Certainly, it is
It avoids error in data from causing to judge by accident, the data of real-time vehicle body pressure can also be screened and/or are averaged, specific implementation side
Formula is referred to the embodiment of above-mentioned bodywork height, and details are not described herein again.
In order to ensure above-mentioned vehicle overload detecting method can be realized, a kind of vehicle is additionally provided in another embodiment of the application
Overload detector, referring to Fig. 8, the apparatus may include:
Acquisition module 801, for obtaining the first parameter information of vehicle, the first parameter information includes bodywork height.
Specifically, acquisition module 801 may further include height acquisition submodule, for passing through height sensor
Obtain the bodywork height of vehicle.It can also be including pressure sensor etc., for obtaining the information such as vehicle body pressure.
Determination module 802, for determining whether to overload according to the first parameter information and preset threshold.
Alarm module 803, for exporting warning message when determining overload.
In a kind of implementation of the present embodiment, referring to Fig. 9, above-mentioned determination module 802 be may further include:
First decision sub-module 901, for determining overload when bodywork height is less than the first default fully loaded height.
In another implementation of the present embodiment, in order to avoid being jolted pavement roughness, vehicle etc. due to lead
The case where causing suspension travel fluctuation and generating error in data appearance, above-mentioned first parameter information can also include obtaining bodywork height
Time point, referring to Fig.1 0, above-mentioned determination module 802 may further include:
First computational submodule 1001 obtains vehicle body for the time point according to bodywork height and acquisition bodywork height
Altitude rate.
Submodule 1002 is screened, for bodywork height change rate to be met to the bodywork height of preset condition, is determined as effectively
Bodywork height.
Second decision sub-module 1003, for determining whether according to the default fully loaded height of effective bodywork height and second
Overload.
Specifically, in order to further avoid determining caused by data fluctuations in normal driving process unstable result, reference
Figure 11, above-mentioned second decision sub-module 1003 may further include:
Second computational submodule 1101 is averaged for calculating the mean value of effective bodywork height in preset time period
Bodywork height.
Third decision sub-module 1102, for determining overload when average bodywork height is less than the second default fully loaded height.
For by height sensor obtain vehicle bodywork height the case where, in order to avoid being passed due to bodywork height
The case where sensor faults itself leads to decision error appearance, referring to Fig.1 2, above-mentioned vehicle overload detection device can also include:
Diagnostic module 1201, for being diagnosed to height sensor.
When diagnostic result is normal, the vehicle body for obtaining vehicle by height sensor by height acquisition submodule is high
Degree；
When diagnostic result is abnormal, corresponding warning message can also be exported by alarm module, to avoid due to passing
Erroneous judgement caused by sensor failure.
In another embodiment of the application, a kind of vehicle is additionally provided, which includes vehicle described in aforementioned any embodiment
Overload detector.
The present invention provides a kind of vehicle overload detecting method, device and vehicles, and wherein vehicle overload detecting method is root
According to the first parameter information and preset threshold of vehicle, determine whether to overload, export warning message if overload, wherein the first ginseng
Measuring information includes bodywork height, and bodywork height can be obtained by the height sensor installed on existing vehicle, be not necessarily to
The components such as additional installation weight sensing instrument, to improve the feasibility of overload detection, while saving cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of vehicle overload detecting method, which is characterized in that the described method includes:
The first parameter information of the vehicle is obtained, first parameter information includes bodywork height；
According to first parameter information and preset threshold, determine whether to overload；
If it is determined that overload, exports warning message.
2. vehicle overload detecting method according to claim 1, which is characterized in that described according to first parameter information
And preset threshold, determine whether the step of overloading, comprising:
When the bodywork height is less than the first default fully loaded height, overload is determined.
3. vehicle overload detecting method according to claim 1, which is characterized in that first parameter information further includes obtaining
The time point of the bodywork height is taken, it is described according to first parameter information and preset threshold, determine whether the step to overload
Suddenly, comprising:
According to the time point of the bodywork height and the acquisition bodywork height, bodywork height change rate is obtained；
The bodywork height that the bodywork height change rate is met to preset condition, is determined as effective bodywork height；
According to the default fully loaded height of effective bodywork height and second, determine whether to overload.
4. vehicle overload detecting method according to claim 3, which is characterized in that described according to effective bodywork height
And the second default fully loaded height, determine whether the step of overloading, comprising:
The mean value for calculating effective bodywork height in preset time period obtains average bodywork height；
When the average bodywork height is less than the described second default fully loaded height, overload is determined.
5. vehicle overload detecting method according to any one of claims 1 to 4, which is characterized in that described to obtain the vehicle
The first parameter information, first parameter information includes the steps that bodywork height, comprising:
The bodywork height of the vehicle is obtained by height sensor.
6. vehicle overload detecting method according to claim 5, which is characterized in that described to be obtained by height sensor
Before the step of taking the bodywork height of the vehicle, the method also includes:
The height sensor is diagnosed；
The step of bodywork height that the vehicle is obtained by height sensor, comprising:
If diagnostic result be it is normal, the bodywork height of the vehicle is obtained by height sensor.
7. vehicle overload detecting method according to claim 1, which is characterized in that first parameter information further includes vehicle body
Pressure, the vehicle body pressure are obtained by the pressure sensor being mounted on the vehicle.
8. a kind of vehicle overload detection device, which is characterized in that described device includes:
Acquisition module, for obtaining the first parameter information of the vehicle, first parameter information includes bodywork height；
Determination module, for determining whether to overload according to first parameter information and preset threshold；
Alarm module, for exporting warning message when determining overload.
9. vehicle overload detection device according to claim 8, which is characterized in that the determination module includes:
First decision sub-module, for determining overload when the bodywork height is less than the first default fully loaded height.
10. a kind of vehicle, which is characterized in that the vehicle includes the described in any item overload of vehicle detection dresses of claim 8 to 9
It sets.
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| CN201810162838.9A CN110194056A (en) | 2018-02-26 | 2018-02-26 | A kind of vehicle overload detecting method, device and vehicle |
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| CN201810162838.9A CN110194056A (en) | 2018-02-26 | 2018-02-26 | A kind of vehicle overload detecting method, device and vehicle |
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| CN113223290A (en) * | 2020-01-21 | 2021-08-06 | 浙江宇视科技有限公司 | Vehicle state detection method, device, equipment and storage medium |
| CN113734125A (en) * | 2020-05-29 | 2021-12-03 | 观致汽车有限公司 | Control method and device of electronic vacuum pump and vehicle |
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