CN206818298U - Vehicle weight measure device based on suspension compresses amount - Google Patents
Vehicle weight measure device based on suspension compresses amount Download PDFInfo
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- CN206818298U CN206818298U CN201720194088.4U CN201720194088U CN206818298U CN 206818298 U CN206818298 U CN 206818298U CN 201720194088 U CN201720194088 U CN 201720194088U CN 206818298 U CN206818298 U CN 206818298U
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Abstract
The utility model discloses a kind of vehicle weight measure device based on suspension compresses amount, including sensor connecting rod (1), angular transducer (2), ramp sensor (3) and ECU (4)；The sensor connecting rod (1) is arranged between vehicle rear axle (51) and rear axle suspension (52), leaf spring (53) is placed in vehicle rear axle (51), angular transducer (2) is connected with the turning end of sensor connecting rod (1), and the ECU (4) is connected with angular transducer (2), ramp sensor (3) signal respectively.The utility model can obtain the static weight of vehicle in real time, facilitate vehicle drive and control.
Description
Technical field
The utility model belongs to medium-weight vehicle quality Identification technical field, particularly a kind of car based on suspension compresses amount
Weight measurement device.
Background technology
Car mass is the duty parameter during vehicle use.The medium-weight vehicle such as lorry and car is in daily traveling
In, the handling of goods, the increase and decrease of passengers quantity will cause the change of complete vehicle quality, front and rear axle load etc., so as to cause ramp to hinder
The change of power, frictional resistance, acceleration resistance.Real-time grasp for car mass, either driver or vehicle electric control
System processed is all extremely important.
At present, the weight detecting to various trucies is all to reach vehicle on special weighbridge, to obtain its weight
Information, it is both inconvenient, also not in time.
Therefore, the problem of prior art is present be：The weight of vehicle can not be obtained in real time.
The content of the invention
The purpose of this utility model is that providing a kind of vehicle weight based on suspension compresses amount determines device, can be real-time
The static weight of vehicle is obtained, facilitates vehicle drive and control.
The technical solution for realizing the utility model purpose is：
A kind of vehicle weight measure device based on suspension compresses amount, including：Sensor connecting rod, for perceiving vehicle rear axle
The distance between rear axle suspension changes, and is converted into angle change；
Angular transducer, the angle change for measurement sensor connecting rod；
Ramp sensor, for measuring ramp angles；
ECU, for calculating suspension compresses amount, rear axle load and vehicle static weight；
The sensor connecting rod is arranged between vehicle rear axle and rear axle suspension, and leaf spring is placed in vehicle rear axle, angle
Degree sensor be connected with the turning end of sensor connecting rod, the ECU respectively with angular transducer, ramp sensor signal
It is connected, computing device and the storage for calculating suspension compresses amount, rear axle load and vehicle static weight is provided with the ECU
The storage device of vehicle parameter and result of calculation.
Compared with prior art, its remarkable advantage is the utility model：
The static weight of vehicle can be obtained in real time, it is convenient to drive and control.
The utility model uses the angular transducer and corresponding attachment means installed in rear axle suspension position, measures axletree
Relative distance change between vehicle frame, the i.e. decrement of suspension.According to suspension compresses amount and the rigidity of suspension, rear axle is calculated
Load.Then the information such as the ramp sensor signal in ECU, vehicle centroid position and wheelbase, with reference to before
The rear axle load drawn, calculate the loading capacity of vehicle.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the workflow diagram that vehicle weight of the utility model based on suspension compresses amount determines device.
Fig. 2 is the structured flowchart that vehicle weight of the utility model based on suspension compresses amount determines device.
Fig. 3 is the installation site figure of sensor connecting rod and angular transducer.
In figure, 1 sensor connecting rod, 2 angular transducers, 3 ramp sensors, 4 ECUs, 41 computing devices, 42 storages
Device, 51 vehicle rear axles, 52 rear axle suspensions, 53 leaf springs.
Embodiment
As shown in figure 1, vehicle weight measure device of the utility model based on suspension compresses amount, including following job step
Suddenly：
(10) vehicle parameter obtains：According to vehicle parameter table, vehicle centroid position, wheelbase and rear suspension rigidity are obtained；
(20) ramp angles obtain：Real-time ramp angles are obtained from vehicle electrically controlling unit；
(30) suspension compresses measure fixed：The change of the distance between vehicle rear axle and rear axle suspension is measured, obtains suspension compresses
Amount；
(40) rear axle LOAD FOR：According to suspension compresses amount and rear suspension rigidity, rear axle load is calculated；
(40) the rear axle LOAD FOR step is specifically, be calculated as follows to obtain rear axle load：
Fz=K δ
In formula, δ is suspension compresses amount, unit mm；K is rear suspension rigidity, unit N/mm.
(50) vehicle static weight calculates：According to rear axle load and ramp angles, vehicle centroid position and wheelbase, calculate
Obtain vehicle static weight.
(50) the vehicle static weight calculation procedure is specifically, be calculated as follows to obtain vehicle static weight：
In formula, m is vehicle weight, unit Kg；FzFor rear axle load, unit N；α is ramp angles, and unit is °； L
For vehicle wheelbase, unit mm；hgVehicle centroid height, unit mm；A is vehicle centroid to the distance of front axle, unit mm；
G is mass acceleration, unit m/s2。
As shown in Fig. 2 to realize above-mentioned workflow, vehicle weight measure dress of the utility model based on suspension compresses amount
Put, including：
Sensor connecting rod 1, for perceiving the change of the distance between vehicle rear axle 51 and rear axle suspension 52, and it is converted into angle
Change；
Angular transducer 2, the angle change for measurement sensor connecting rod 1；
Ramp sensor 3, for measuring ramp angles；
ECU 4, for calculating suspension compresses amount, rear axle load and vehicle static weight；
The sensor connecting rod 1 is arranged between vehicle rear axle 51 and rear axle suspension 52, after leaf spring 53 is placed in vehicle
On axle 51, angular transducer 2 is connected with the turning end of sensor connecting rod 1, the ECU 4 respectively with angular transducer 2, slope
The signal of road sensor 3 is connected, and is provided with the ECU 4 and calculates suspension compresses amount, rear axle load and vehicle static weight
Computing device 41 and storage vehicle parameter and the storage device 42 of result of calculation.
Claims (4)
- A kind of 1. vehicle weight measure device based on suspension compresses amount, it is characterised in that including：Sensor connecting rod (1), for perceiving the change of the distance between vehicle rear axle (51) and rear axle suspension (52), and it is converted into angle Degree change；Angular transducer (2), the angle change for measurement sensor connecting rod (1)；Ramp sensor (3), for measuring ramp angles；ECU (4), for calculating suspension compresses amount, rear axle load and vehicle static weight；The sensor connecting rod (1) is arranged between vehicle rear axle (51) and rear axle suspension (52), and leaf spring (53) is placed in car On rear axle (51), angular transducer (2) is connected with the turning end of sensor connecting rod (1), the ECU (4) respectively with angle Degree sensor (2), ramp sensor (3) signal are connected, and the suspension compresses amount that calculates are provided with the ECU (4), rear axle carries The computing device of lotus and vehicle static weight (41) and storage vehicle parameter and the storage device (42) of result of calculation.
- 2. vehicle weight according to claim 1 determines device, it is characterised in that the ECU (4) is according to suspension Decrement and rear suspension rigidity, are calculated rear axle load；According to rear axle load and ramp angles, vehicle centroid position and axle Away from vehicle static weight is calculated.
- 3. vehicle weight according to claim 2 determines device, it is characterised in that described according to suspension compresses amount and rear overhang Frame rigidity, rear axle load steps are calculated specifically, being calculated as follows to obtain rear axle load：Fz=K δIn formula, δ is suspension compresses amount, unit mm；K is rear suspension rigidity, unit N/mm.
- 4. vehicle weight according to claim 2 determines device, it is characterised in that described according to rear axle load and inclination of ramp Degree, vehicle centroid position and wheelbase, are calculated vehicle static weight step specifically, being calculated as follows to obtain vehicle static Weight：In formula, m is vehicle weight, unit Kg；FzFor rear axle load, unit N；α is ramp angles, and unit is °；L is vehicle Wheelbase, unit mm；hgVehicle centroid height, unit mm；A is vehicle centroid to the distance of front axle, unit mm；G is matter Acceleration is measured, unit is
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194088.4U CN206818298U (en) | 2017-03-02 | 2017-03-02 | Vehicle weight measure device based on suspension compresses amount |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720194088.4U CN206818298U (en) | 2017-03-02 | 2017-03-02 | Vehicle weight measure device based on suspension compresses amount |
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| CN206818298U true CN206818298U (en) | 2017-12-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679782A (en) * | 2017-03-02 | 2017-05-17 | 南京理工大学 | Vehicle weight measuring method and apparatus based on reduction of suspension |
| CN113044040A (en) * | 2019-12-27 | 2021-06-29 | 观致汽车有限公司 | Control system for vehicle driving, control method for vehicle driving and vehicle |
| CN114103582A (en) * | 2021-11-16 | 2022-03-01 | 重庆长安汽车股份有限公司 | Automatic suspension adjusting method and automobile |
-
2017
- 2017-03-02 CN CN201720194088.4U patent/CN206818298U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106679782A (en) * | 2017-03-02 | 2017-05-17 | 南京理工大学 | Vehicle weight measuring method and apparatus based on reduction of suspension |
| CN113044040A (en) * | 2019-12-27 | 2021-06-29 | 观致汽车有限公司 | Control system for vehicle driving, control method for vehicle driving and vehicle |
| CN113044040B (en) * | 2019-12-27 | 2023-10-13 | 观致汽车有限公司 | Control system for vehicle driving, control method for vehicle driving and vehicle |
| CN114103582A (en) * | 2021-11-16 | 2022-03-01 | 重庆长安汽车股份有限公司 | Automatic suspension adjusting method and automobile |
| CN114103582B (en) * | 2021-11-16 | 2024-02-23 | 重庆长安汽车股份有限公司 | Automatic suspension adjusting method and automobile |
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