CN103660838A - Method for adjusting height of vehicle body through height sensor - Google Patents
Method for adjusting height of vehicle body through height sensor Download PDFInfo
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- CN103660838A CN103660838A CN201310661137.7A CN201310661137A CN103660838A CN 103660838 A CN103660838 A CN 103660838A CN 201310661137 A CN201310661137 A CN 201310661137A CN 103660838 A CN103660838 A CN 103660838A
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Abstract
The invention provides a method for adjusting the height of a vehicle body through a height sensor. The method comprises the steps of measuring vehicle body height signals of a vehicle in real time through the height sensor arranged on the vehicle, collecting two paths of rear axle height sensor signals, judging whether a vehicle door is opened according to the rear axle height sensor signals, analyzing the rear axle height sensor signals to obtain the current height value of the vehicle body and judging whether the current height value of the vehicle body is higher than first preset value if the vehicle door is not opened, judging whether the current height value of the vehicle body is higher than second preset value if the current height value of the vehicle body is not higher than the first preset value, and turning off a solenoid valve to complete vehicle body height adjustment if the height value of the current vehicle body is not lower than the second preset value. The method for adjusting the height of the vehicle body through the height sensor can ensure that the vehicle body height is located in a best position and improve the smoothness of the vehicle.
Description
Technical field
The present invention relates to vehicle control field, be specifically related to a kind of method of adjusting bodywork height by height sensor.
Background technology
Since entering 21 century, along with the increase of growth in the living standard and automobile consumption amount, the intelligentized continuous progress of Vehicular electric control system, corresponding also more and more hommization of body control system function.
Along with integrated, intelligentized fast development, traditional Suspension Technique can not meet the demand of Modern Vehicle Body control system far away, current suspension is considered can be at various road travelings, therefore highly can be too not low, overhead distance is relatively fixing, when running at high speed, because chassis height center of gravity when comparing at ordinary times that variation is less to be caused running at high speed is higher, traveling comfort is poor, and may cause danger.
Summary of the invention
The object of the invention is to, for the deficiencies in the prior art, be necessary that the problem existing for prior art provides a kind of method of adjusting bodywork height by height sensor, to guarantee that bodywork height is in optimum position, improve the ride comfort of vehicle.
For achieving the above object, the present invention is by the following technical solutions:
A kind of method of adjusting bodywork height by height sensor, by an airsuspension system, bodywork height is adjusted, described airsuspension system comprises the air bellow that is installed on vehicle propons and back axle, each air bellow is connected with an air receiver by the airline of provided with electromagnetic valve, described air receiver is connected with an electric air pump, and described air receiver is also connected with a blow off valve;
Said method comprising the steps of:
By the height sensor being disposed on vehicle, measure in real time the bodywork height signal of described vehicle, wherein, described height sensor comprises back axle height sensor and propons height sensor;
Gather two-way back axle height sensor signal;
According to described back axle height sensor signal, judge whether car door is opened;
If described car door is not opened, resolve described back axle height sensor signal to obtain the height value when front body, and whether the described height value when front body of judgement is higher than the first setting value;
If the described height value when front body is not higher than the first setting value, whether the described height value when front body of judgement is lower than the second setting value;
If the described height value when front body is not less than the second setting value, shut electromagnetic valve, completes the bodywork height adjustment of described vehicle.
Preferably, described method also comprises:
If described car door is opened, continue to gather two-way back axle height sensor signal.
Preferably, described method also comprises:
If the described height value when front body, higher than the first setting value, is interrupted and opens blow off valve and electromagnetic valve exhaust according to setpoint frequency, and continue to gather two-way back axle height sensor signal.
Preferably, described method also comprises:
If the described height value when front body, lower than the second setting value, is inflated to air bellow by air receiver or electric air pump.
Preferably, by air receiver or electric air pump, to air bellow inflation, comprise the following steps:
Whether the speed of a motor vehicle that judges described vehicle is greater than 30km/h;
When the speed of a motor vehicle of described vehicle is not more than 30km/h, and air receiver internal gas pressure is while being greater than air bellow internal gas pressure, and opens solenoid valve, inflates to air bellow by air receiver;
When the speed of a motor vehicle of described vehicle is not more than 30km/h and air receiver internal gas pressure and is not more than air bellow internal gas pressure, or when the speed of a motor vehicle of described vehicle is greater than 30km/h, opens solenoid valve, and be interrupted and open electric air pump successively to air bellow and air receiver inflation according to setpoint frequency;
After having inflated, continue to gather two-way back axle height sensor signal.
Preferably, after the described step of bodywork height signal of measuring in real time described vehicle by being disposed at height sensor on vehicle, described method also comprises:
Gather two-way propons height sensor signal;
According to described propons height sensor signal, judge whether car door is opened;
If described car door is not opened, resolve described propons height sensor signal to obtain the height value when front body, and whether the described height value when front body of judgement is higher than the first setting value;
If the described height value when front body is not higher than the first setting value, whether the described height value when front body of judgement is lower than the second setting value;
If the described height value when front body is not less than the second setting value, shut electromagnetic valve, completes the bodywork height adjustment of described vehicle.
Preferably, described according to described propons height sensor signal, judge the step whether car door be opened after, described method also comprises:
If described car door is opened, continue to gather two-way propons height sensor signal.
Preferably, described method also comprises:
If the described height value when front body, higher than the first setting value, is interrupted and opens blow off valve and electromagnetic valve exhaust according to setpoint frequency, and continue to gather two-way propons height sensor signal.
Preferably, described method also comprises:
If the described height value when front body, lower than the second setting value, is inflated to air bellow by air receiver or electric air pump.
Preferably, by air receiver or electric air pump, to air bellow inflation, comprise the following steps:
Whether the speed of a motor vehicle that judges described vehicle is greater than 30km/h;
When the speed of a motor vehicle of described vehicle is not more than 30km/h, and air receiver internal gas pressure is while being greater than air bellow internal gas pressure, and opens solenoid valve, inflates to air bellow by air receiver;
When the speed of a motor vehicle of described vehicle is not more than 30km/h and air receiver internal gas pressure and is not more than air bellow internal gas pressure, or when the speed of a motor vehicle of described vehicle is greater than 30km/h, opens solenoid valve, and be interrupted and open electric air pump successively to air bellow and air receiver inflation according to setpoint frequency;
After having inflated, continue to gather two-way back axle height sensor signal.
A kind of method of adjusting bodywork height by height sensor provided by the invention, can guarantee that bodywork height is in optimum position, improves the ride comfort of vehicle.
Accompanying drawing explanation
A kind of method flow schematic diagram of adjusting bodywork height by height sensor that Fig. 1 provides for the embodiment of the present invention;
Method flow schematic diagram in Fig. 1 that Fig. 2 provides for the embodiment of the present invention after A node.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is elaborated.
Inventive embodiments provides, and a kind of method of adjusting bodywork height by height sensor is to realize by the airsuspension system on vehicle, described airsuspension system comprises 4 air bellows that are installed on respectively vehicle propons both sides and back axle both sides, i.e. the corresponding wheel of each air bellow.Each air bellow is connected with an air receiver by the airline of provided with electromagnetic valve, and described air receiver is connected with an electric air pump, and described air receiver is also connected with a blow off valve.
As shown in Figure 1, a kind of method flow schematic diagram of adjusting bodywork height by height sensor providing for the embodiment of the present invention.
In step S101, by the height sensor being disposed on vehicle, measure in real time the bodywork height signal of described vehicle, wherein, described height sensor comprises back axle height sensor and propons height sensor.Described back axle height sensor has two, is arranged at respectively vehicle propons both sides, for the back axle height value of collection vehicle; Described propons height sensor has two, is arranged at respectively vehicle rear axle both sides, for the propons height value of collection vehicle.In the present embodiment, described height sensor can be back axle height sensor, can be also propons height sensor, or described height sensor not only comprises back axle height sensor but also comprise propons height sensor.
In step S102, gather two-way back axle height sensor signal.In the present embodiment, if gather two-way propons height sensor signal, as shown in the step after node A, as shown in Figure 2.
In step S103, according to described back axle height sensor signal, judge whether car door is opened.
If described car door is not opened,, in step S104, resolve described back axle height sensor signal to obtain the height value when front body, and whether the described height value when front body of judgement is higher than the first setting value.In the present embodiment, the first setting value can be set by user oneself, also can be fixed by system, at this, does not limit.
If the described height value when front body is not higher than described the first setting value,, in step S105, whether the described height value when front body of judgement is lower than the second setting value;
If the described height value when front body is not less than the second setting value,, in step S106, shut electromagnetic valve, completes the bodywork height adjustment of described vehicle.
Preferably, in the present embodiment, after step S103, if described car door is opened, continue to gather two-way back axle height sensor signal.
Preferably, in the present embodiment, after step S104, if the described height value when front body is higher than the first setting value,, in step S107, according to setpoint frequency, be interrupted and open blow off valve and electromagnetic valve exhaust, and continue to gather two-way back axle height sensor signal.
Preferably, in the present embodiment, after step S105, if the described height value when front body is lower than described the second setting value, by air receiver or electric air pump, to air bellow, inflate.
Concrete gas replenishment process is as follows, in step S108, judges whether the speed of a motor vehicle of described vehicle is greater than 30km/h;
When the speed of a motor vehicle of described vehicle is not more than 30km/h, and air receiver internal gas pressure is enough when large (air receiver internal gas pressure is greater than air bellow internal gas pressure), and, in step S109, opens solenoid valve, inflates to air bellow by air receiver.
When the speed of a motor vehicle of described vehicle is not more than 30km/h and air receiver internal gas pressure not enough (air receiver internal gas pressure is not more than air bellow internal gas pressure), or when the speed of a motor vehicle of described vehicle is greater than 30km/h, in step S110, opens solenoid valve, and be interrupted and open electric air pump successively to air bellow and air receiver inflation according to setpoint frequency.After having inflated, continue to gather two-way back axle height sensor signal.
As shown in Figure 2, the method flow schematic diagram in the Fig. 1 providing for the embodiment of the present invention after A node.
In the present embodiment, after node A, in step S202, gather two-way propons height sensor signal.
In step S203, according to described propons height sensor signal, judge whether car door is opened.
If described car door is not opened,, in step S204, resolve described propons height sensor signal to obtain the height value when front body, and whether the described height value when front body of judgement is higher than the first setting value.In the present embodiment, the first setting value can be set by user oneself, also can be fixed by system, at this, does not limit.
If the described height value when front body is not higher than described the first setting value,, in step S205, whether the described height value when front body of judgement is lower than the second setting value;
If the described height value when front body is not less than the second setting value,, in step S206, shut electromagnetic valve, completes the bodywork height adjustment of described vehicle.
Preferably, in the present embodiment, after step S203, if described car door is opened, continue to gather two-way propons height sensor signal.
Preferably, in the present embodiment, after step S204, if the described height value when front body is higher than the first setting value,, in step S207, according to setpoint frequency, be interrupted and open blow off valve and electromagnetic valve exhaust, and continue to gather two-way propons height sensor signal.
Preferably, in the present embodiment, after step S205, if the described height value when front body is lower than the second setting value, by air receiver or electric air pump, to air bellow, inflate.
Concrete gas replenishment process is as follows, in step S208, judges whether the speed of a motor vehicle of described vehicle is greater than 30km/h;
When the speed of a motor vehicle of described vehicle is not more than 30km/h, and air receiver internal gas pressure is enough when large (air receiver internal gas pressure is greater than air bellow internal gas pressure), and, in step S209, opens solenoid valve, inflates to air bellow by air receiver.
When the speed of a motor vehicle of described vehicle is not more than 30km/h and air receiver internal gas pressure not enough (air receiver internal gas pressure is not more than air bellow internal gas pressure), or when the speed of a motor vehicle of described vehicle is greater than 30km/h, in step S210, opens solenoid valve, and be interrupted and open electric air pump successively to air bellow and air receiver inflation according to setpoint frequency.After having inflated, continue to gather two-way propons height sensor signal.
A kind of method of adjusting bodywork height by height sensor provided by the invention, can guarantee that bodywork height is in optimum position, improves the ride comfort of vehicle.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method of adjusting bodywork height by height sensor, it is characterized in that, by an airsuspension system, bodywork height is adjusted, described airsuspension system comprises the air bellow that is installed on vehicle propons and back axle, each air bellow is connected with an air receiver by the airline of provided with electromagnetic valve, described air receiver is connected with an electric air pump, and described air receiver is also connected with a blow off valve;
Said method comprising the steps of:
By the height sensor being disposed on vehicle, measure in real time the bodywork height signal of described vehicle, wherein, described height sensor comprises back axle height sensor and propons height sensor;
Gather two-way back axle height sensor signal;
According to described back axle height sensor signal, judge whether car door is opened;
If described car door is not opened, resolve described back axle height sensor signal to obtain the height value when front body, and whether the described height value when front body of judgement is higher than the first setting value;
If the described height value when front body is not higher than the first setting value, whether the described height value when front body of judgement is lower than the second setting value;
If the described height value when front body is not less than the second setting value, shut electromagnetic valve, completes the bodywork height adjustment of described vehicle.
2. the method for adjusting bodywork height by height sensor according to claim 1, is characterized in that, described method also comprises:
If described car door is opened, continue to gather two-way back axle height sensor signal.
3. the method for adjusting bodywork height by height sensor according to claim 1, is characterized in that, described method also comprises:
If the described height value when front body, higher than the first setting value, is interrupted and opens blow off valve and electromagnetic valve exhaust according to setpoint frequency, and continue to gather two-way back axle height sensor signal.
4. the method for adjusting bodywork height by height sensor according to claim 1, is characterized in that, described method also comprises:
If the described height value when front body, lower than the second setting value, is inflated to air bellow by air receiver or electric air pump.
5. the method for adjusting bodywork height by height sensor according to claim 4, is characterized in that, by air receiver or electric air pump, to air bellow inflation, comprises the following steps:
Whether the speed of a motor vehicle that judges described vehicle is greater than 30km/h;
When the speed of a motor vehicle of described vehicle is not more than 30km/h, and air receiver internal gas pressure is while being greater than air bellow internal gas pressure, and opens solenoid valve, inflates to air bellow by air receiver;
When the speed of a motor vehicle of described vehicle is not more than 30km/h and air receiver internal gas pressure and is not more than air bellow internal gas pressure, or when the speed of a motor vehicle of described vehicle is greater than 30km/h, opens solenoid valve, and be interrupted and open electric air pump successively to air bellow and air receiver inflation according to setpoint frequency;
After having inflated, continue to gather two-way back axle height sensor signal.
6. the method for adjusting bodywork height by height sensor according to claim 1, is characterized in that, after the described step of bodywork height signal of measuring in real time described vehicle by being disposed at height sensor on vehicle, described method also comprises:
Gather two-way propons height sensor signal;
According to described propons height sensor signal, judge whether car door is opened;
If described car door is not opened, resolve described propons height sensor signal to obtain the height value when front body, and whether the described height value when front body of judgement is higher than the first setting value;
If the described height value when front body is not higher than the first setting value, whether the described height value when front body of judgement is lower than the second setting value;
If the described height value when front body is not less than the second setting value, shut electromagnetic valve, completes the bodywork height adjustment of described vehicle.
7. the method for adjusting bodywork height by height sensor according to claim 6, is characterized in that, described according to described propons height sensor signal, judge the step whether car door be opened after, described method also comprises:
If described car door is opened, continue to gather two-way propons height sensor signal.
8. the method for adjusting bodywork height by height sensor according to claim 6, is characterized in that, described method also comprises:
If the described height value when front body, higher than the first setting value, is interrupted and opens blow off valve and electromagnetic valve exhaust according to setpoint frequency, and continue to gather two-way propons height sensor signal.
9. the method for adjusting bodywork height by height sensor according to claim 6, is characterized in that, described method also comprises:
If the described height value when front body, lower than the second setting value, is inflated to air bellow by air receiver or electric air pump.
10. the method for adjusting bodywork height by height sensor according to claim 9, is characterized in that, by air receiver or electric air pump, to air bellow inflation, comprises the following steps:
Whether the speed of a motor vehicle that judges described vehicle is greater than 30km/h;
When the speed of a motor vehicle of described vehicle is not more than 30km/h, and air receiver internal gas pressure is while being greater than air bellow internal gas pressure, and opens solenoid valve, inflates to air bellow by air receiver;
When the speed of a motor vehicle of described vehicle is not more than 30km/h and air receiver internal gas pressure and is not more than air bellow internal gas pressure, or when the speed of a motor vehicle of described vehicle is greater than 30km/h, opens solenoid valve, and be interrupted and open electric air pump successively to air bellow and air receiver inflation according to setpoint frequency;
After having inflated, continue to gather two-way back axle height sensor signal.
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| CN107685607A (en) * | 2016-08-04 | 2018-02-13 | 宝沃汽车（中国）有限公司 | Adjust control method, device and the vehicle of vehicle rear suspension height |
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| CN106004309A (en) * | 2016-07-01 | 2016-10-12 | 湖北航天技术研究院特种车辆技术中心 | Monitoring device |
| CN107685607A (en) * | 2016-08-04 | 2018-02-13 | 宝沃汽车（中国）有限公司 | Adjust control method, device and the vehicle of vehicle rear suspension height |
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| CN103660838B (en) | 2016-04-06 |
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