A kind of ABS system simulation pick-up unit
Technical field
The invention belongs to and relate to a kind of pick-up unit, particularly a kind of ABS system simulation pick-up unit.
Background technology
The ABS system, i.e. the anti-lock braking system of the daily theory of people generally comprises topworks and abs controller system (ECU).The annual production of China's automobile in recent years hits new peak continuously, and the security of automobile and stability also more and more receive people's attention.The ABS system becomes the standard configuration of automobile gradually, and according to the regulation of national relevant laws and regulations, the part vehicle need force to install the ABS system.The Guangzhou Kemi Automobile Brake Technology Development Co., Ltd was researched and developed since 1999 and is produced the anti-blocking brake system of automobile that has independent intellectual property rights; Make China that the chance with external intratype competition arranged in this field, successively be applied aspect passenger vehicle, lorry, trailer, the car.
Present domestic producer of production ABS system; The company that possesses fairly perfect ABS system detection means is also few, and it is very few especially to simulate the go simulation test device of road conditions of car load fully, the test run simulation test device; Being mainly used in the do test pavement simulating of ABS system on the road model of simulation detects; Through the test run model of computer, combine the action situation of the model configuration of vehicle again, judge whether the ABS system that produces meets the standard-required of enterprise; Avoid the use of the potential safety hazard that the test run of live road surface causes; Because the ABS system is the key safety protective device of installing on the car, must just can put use on market through strict test, guarantee that the ABS system that puts on market can satisfy the security protection requirement.
Because it also is not very long that the ABS system uses the time at home; Detection method and testing conditions are also immature; Generally need to detect the performance of ABS system through the test run of live road surface; Therefore, but lack the environment that a kind of simulating vehicle goes at present and effectively detect the pick-up unit of ABS system performance on live road surface.
Summary of the invention
The object of the invention; Be to provide a kind of ABS service system analoging detecting device; The environment that it can go on live road surface through simulating vehicle, and detect the braking ability of ABS system, be convenient to research and develop or/and when producing to the performance evaluation of ABS system; Can effectively improve research and development and production efficiency, the potential safety hazard that occurs when avoiding the test run of live road surface simultaneously.
The solution that the present invention solves its technical matters is: a kind of ABS system simulation pick-up unit; Comprise support; Also comprise electric control system; Be provided with ABS system and vehicle structure simulation system in the said support, said support is outside equipped with the data collection analysis disposal system, electrically connects between said electric control system, vehicle structure simulation system, ABS system and data collection analysis disposal system.
Further improvement as technique scheme; Be provided with in the said vehicle structure simulation system air source, motor, the driving wheels that connect with motor, with drive set of wheels and the brake actuating mechanism that wheels connect; Be provided with 4 wheels in the said set of wheels; Be equipped with pressure apparatus and brake actuating mechanism on each wheel, also be provided with heating arrangement on the said pressure apparatus, said brake actuating mechanism connects with the topworks of ABS system.
Further improvement as technique scheme; Said electric control system comprises master control system and the thermal sensor that connects with master control system, speed pickup and pressure transducer; Said thermal sensor is arranged on the heating arrangement; Said speed pickup is arranged on the heating arrangement, and said pressure transducer is arranged between pressure apparatus and master control system.
As the further improvement of technique scheme, said thermal sensor is a K type thermal sensor.
As the further improvement of technique scheme, said speed pickup is a wheel speed sensors.
The invention has the beneficial effects as follows: the present invention is through being provided with the vehicle structure simulation system; So behind the state that vehicle structure simulation system simulated automotive goes; Behind skidding; Electric control system feeds back to the parameter in the vehicle brake process in the ABS system, and the ABS system regulates brake pressure also stops vehicle stably, and the data collection analysis disposal system is got off the working parameter recording of ABS system and done analysis.
The present invention is applicable to the ABS system that detects.
Description of drawings
Below in conjunction with accompanying drawing and instance the present invention is further described.
Fig. 1 is a block diagram representation of the present invention;
Fig. 2 is a structural representation of the present invention;
Fig. 3 is the partial enlarged drawing that the frame of broken lines among Fig. 2 is enclosed.
Embodiment
Below in conjunction with accompanying drawing, specify the application of the present invention in the ABS system detects.
With reference to Fig. 1 ~ 3; A kind of ABS system simulation pick-up unit; Comprise support 10, also comprise electric control system 4, be provided with ABS system 3 and vehicle structure simulation system 1 in the said support 10; Said support 10 is outside equipped with data collection analysis disposal system 2, and said electric control system 4, vehicle structure simulation system 1, ABS system 3 and 2 of data collection analysis disposal systems electrically connect.
Through vehicle structure simulation system 1 is set; So behind the state that vehicle structure simulation system 1 simulated automotive goes; Behind skidding; Electric control system 2 feeds back to the parameter in the vehicle brake process in the ABS system 3, and ABS system 3 regulates brake pressures also stops vehicle stably, and data collection analysis disposal system 4 is got off the working parameter recording of ABS system 3 and done analysis.
Further as preferred embodiment; Said vehicle structure simulation system 1 be provided with air source 8, motor 5, the driving wheels 7 that connect with motor 5, with drive set of wheels 6 and the brake actuating mechanism 11 that wheels 7 connect; Be provided with 4 wheels in the said set of wheels 6; Be equipped with pressure apparatus 9 and brake actuating mechanism 11 on each wheel, pressure apparatus 2 can touch with pressure wheel, is used for that simulating vehicle goes or the state of the earth-grasping force of brake process.Air source 8 is connected to related elements such as pressure apparatus 9 and ABS system 3.Also be provided with heating arrangement 13 on the said pressure apparatus 9, said brake actuating mechanism 11 connects with the topworks of ABS system 3.Heating arrangement 13; Be used to simulate the actual environment of the wheel speed pickup that is installed on the vehicle hub; Simulation ABS system 3 is under real working environment situation, and the validity of the parameter of the generation when improving data collection analysis disposal system 2 and collecting 3 work of ABS systems.
Further as preferred embodiment; Thermal sensor 14, speed pickup 16 and pressure transducer 12 that said electric control system 4 comprises master control system and connects with master control system; Said thermal sensor 14 is arranged on the heating arrangement 13; Said speed pickup 16 is arranged on the heating arrangement 13, and said pressure transducer 12 is arranged between pressure apparatus 9 and master control system.The operation of this ABS system simulation pick-up unit is monitored and controlled to master control system; Running parameter through thermal sensor 14, speed pickup 16 and pressure transducer 12 during with ABS system 3 work feeds back to the controller system in the ABS system, and the parameter of the generation when collecting 3 work of ABS systems through data collection analysis disposal system 2.
Further as preferred embodiment; Said thermal sensor 14 is a K type thermal sensor, is used to monitor the heating state of well heater, delivers to electric control system to the parameter that monitors; Real-time regulated heating arrangement temperature; Satisfy the requirement of experimental enviroment, the parameter that warranty test obtains meets the demand of all temps, improves the reliability of test.
Further as preferred embodiment, said speed pickup 16 is a wheel speed sensors.Said speed pickup 16 is the speed pickup in the ABS system, and this sensor is the wheel speed pickup of electromagnetic type pulse, utilizes electromagnetic induction principle, converts the gear ring rotation to induced potential several times and comes measuring vehicle wheel velocity of rotation.The effect of wheel speed pickup is that the motion state to wheel detects in real time, the pulse signal of the vehicle wheel speed that produces by the gear ring motion that is installed on the wheel, and become ac signal to the wheel rapid pulse of wheel towards conversion of signals.Behind overcommutation and amplifying circuit, be sent to AD converter to voltage signal and carry out analog to digital conversion, the EUC data center that is sent to the ABS system to the data that obtain again carries out data processing.
Wheel speed sensors has following characteristics: it is more stable reliable 1) to receive signal; 2) frequency response of wheel speed sensors is high, can reach 5 kilo hertzs it, can detect 300 kilometers speed hourly, detect for the speed of present vehicle, can satisfy the requirement that ABS installs fully; 3) the voltage signal size of output changes along with the gear ring change in rotational speed, and the slowest speed of a motor vehicle induction speed per hour can reach 1 kilometer; 4) because structural design is more reasonable, and cost is low, make that the ABS system is increasing to be applied on the automobile, improve the safeguard protection performance.
More than be that preferred embodiments of the present invention is specified; But the invention is not limited to said embodiment; Those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.