CN105738125A - Simulation apparatus for electronic parking brake system of automobile - Google Patents
Simulation apparatus for electronic parking brake system of automobile Download PDFInfo
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- CN105738125A CN105738125A CN201610236906.2A CN201610236906A CN105738125A CN 105738125 A CN105738125 A CN 105738125A CN 201610236906 A CN201610236906 A CN 201610236906A CN 105738125 A CN105738125 A CN 105738125A
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- fixed
- inclination angle
- electronic parking
- parking braking
- braking system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention relates to a simulation apparatus for an electronic parking brake system of an automobile. The simulation apparatus comprises an inclination angle adjusting mechanism and a clamp force testing mechanism, wherein the inclination angle adjusting mechanism comprises a driving mechanism, an inclination angle execution mechanism and an inclination angle sensor. The driving mechanism drives the inclination angle actuating mechanism to incline, and the inclination angle sensor is fixed on the inclination angle execution mechanism. The clamp force testing mechanism comprises a clamping execution mechanism and a pressure sensor which is fixed on the clamping execution mechanism. The simulation apparatus can simulate parking brake of an automobile on a flat road or slopes with different angles through the inclination angle controllable guiding mechanism, and can monitor clamping force on a real-time basis through combination with the clamp force testing mechanism. The reliability and control precision are high, the structure is precise, test is convenient, and practicality is high. Various simulation tests on electronic parking brake system of an automobile are realized, and the application scope is wide.
Description
Technical field
The present invention relates to electronic brake system field, particularly relate to electronic brake system simulation technical field, specifically refer to a kind of automobile electronic parking braking system simulator.
Background technology
Along with development and the progress of science and technology, the requirement of vehicle safety is grown with each passing day by people, and important evaluation that the chassis Comprehensive Control Technology of the braking ability of excellence and integration is Hyundai Motor safety indicates.Along with the development of mechanical & electrical technology, electronic technology constantly penetrates into brake system of car, occurs in that automobile electronic parking braking system (EPB:ElectronicParkingBrake, electronic parking).Electronic brake system be adopt machine driving and automatically controlled mode and motor drive and implement parking braking, there is static parking braking, dynamic emergency brake, ramp start assisting, emergency brake, the features such as unblock, warning of meeting an urgent need.At present, electronic brake system is commonly used on high-grade car at home and abroad, and the trend that oriented middle low gear vehicle is universal.
Electronic brake system is broadly divided into two big classes according to the feature of actuator structure: one is stay-supported electronic brake system, it is driven telescopic lever to move back and forth by a motor-driven mechanism, thus straining or unclamping the brake cable being connected with this telescopic lever to realize the clamping of brake caliper on wheel or to unclamp, implement parking braking or releasing；Two is EPB actuator and clamp integrated type electrical parking braking system, and its principle is that motor drive actuator acts on the oil cylinder of brake caliper to implement parking braking.For the characteristic of two kinds of structures, cable traction formula electronic brake system has simple in construction, cost is low, be conducive to the feature such as universal of vehicle；Integrated type electrical parking braking system has compact conformation, volume is little, control the features such as accurate.
In the R&D process of automobile electronic parking braking system, it is necessary to the electronic control module of the electronic brake system of design is carried out inclination angle demarcation and the detection of the actual power output of EPB actuator, and its performance indications and reliability are carried out preliminary identification.For this situation, it is highly desirable to develop the exploitation that specific electronic brake system simulator is electronic brake system and experiment condition and performance test means are provided, meet the electronic brake system simulation experiment requirement in the exploitation starting stage with this.
Open source literature CN201210009680.4 patent name is " testing device for electronic parking brake system ".This patent is primarily directed to cable traction formula electronic brake mode, the control at this patent inclination angle is manually to rotate handwheel to adjust the angle of installing plate, the mode angle adjustment ratio of precision that this manually adjusts is poor, the response speed adjusted is slow, and, the angle adjustment mode of this patent is difficult to the angle adjustment of positive and negative both direction, can only realize the angle adjustment in a direction.The angle of this patent of invention angular adjustment apparatus horizontal zero is to ensure with contacting of supporting seat by installing plate, and it is insecure that the zero-bit of this kind of mode finds mode.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that a kind of can adapt in clamp integrated type electrical parking braking system, the various simulation tests of electronic car parking braking system can be realized, there is the automobile electronic parking braking system simulator of broader applications scope.
To achieve these goals, the automobile electronic parking braking system simulator of the present invention has following composition:
This automobile electronic parking braking system simulator, it is mainly characterized by, described device includes dip angle adjusting mechanism and clamp clamping force mechanism for testing, described dip angle adjusting mechanism includes driving mechanism, inclination angle actuator and obliquity sensor, described driving mechanism tilts in order to drive described inclination angle actuator, described obliquity sensor is fixed in described inclination angle actuator, described clamp clamping force mechanism for testing includes clamp actuator and pressure transducer, and described pressure transducer is fixed in described clamp actuator.
It is preferred that described driving mechanism includes servomotor, decelerator and motor support base, described servomotor is connected with decelerator, and described servomotor is fixed on described motor support base, and described decelerator is connected with described inclination angle actuator.
More preferably, described inclination angle actuator includes shaft coupling, rotating shaft one, rotate support plate, rotating shaft two, ECU fixed supported slab, elbow presss from both sides, cylinder push pedal and cylinder, the axle of described decelerator is connected with rotating shaft one by shaft coupling, rotate support plate and be fixed on described rotating shaft one and rotating shaft two, described obliquity sensor and ECU fixed supported slab are fixed on described rotation support plate, described elbow folder and ECU are fixed on described ECU fixed supported slab, ECU electrifying device is fixed in cylinder push pedal, cylinder push pedal and cylinder link together, spacing pointer is fixed on the outer end of described rotating shaft two, limit switch is fixed on switch carrier, described motor support base and switch carrier are fixed on the platform base of inclination angle.
Further, described inclination angle actuator also includes rotation axis support one and rotation axis support two, described rotating shaft one is fixed on rotation axis support one, described rotating shaft two is fixed on rotation axis support two, and described rotation axis support one and rotation axis support two are fixed on the platform base of inclination angle.
It is preferred that described dip angle adjusting mechanism in order to simulating ± gradient of 30%.
It is preferred that described clamp actuator includes left brake caliper, left integrated form EPB executor, right brake caliper and right integrated form EPB executor, described pressure transducer is placed in the middle of the brake block of described left brake caliper and right brake caliper.
More preferably, described clamp actuator also includes clamp bearing and support baseboard, and described left brake caliper and right brake caliper are arranged on clamp bearing, and described clamp bearing is fixed on support baseboard.
Further, described device also includes big plate, and described dip angle adjusting mechanism and support baseboard are fixed on described big plate.
Have employed the automobile electronic parking braking system simulator in this invention, automobile parking braking under level line and different angles slope condition can be simulated by the guiding mechanism at controlled inclination angle, it can be clamped the monitoring of power in real time in conjunction with clamp clamping force mechanism for testing, and have high reliability and control delicate nature；Precise structure, test are conveniently, practical, and reliable operation, it may be achieved the various simulation tests of electronic car parking braking system has wider application scope.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dip angle adjusting mechanism of the automobile electronic parking braking system simulator of the present invention.
Fig. 2 is the left view of the automobile electronic parking braking system simulator of the present invention.
Fig. 3 is the front view of the automobile electronic parking braking system simulator of the present invention.
Fig. 4 is the flow chart of the automobile electronic parking braking system simulator work of the present invention.
Fig. 5 is the flow chart of the automobile electronic parking braking system ECU inclination angle demarcation of the present invention.
Fig. 6 is the flow chart of the automobile electronic parking braking system ECU holding function checking of the present invention.
Detailed description of the invention
In order to more clearly describe the technology contents of the present invention, conduct further description below in conjunction with specific embodiment.
The technical solution realizing the object of the invention is: a kind of electronic brake system simulator, including dip angle adjusting mechanism and clamp clamping force mechanism for testing, described simulator simulates the gradient of different angles by the controllable closed loop systems of servomotor with obliquity sensor composition, then ECU (electronic control unit) is carried out angle calibration, thus realizing simulated automotive accurate control of parking power in different angles on-grade parking situation, then pass through the chucking power information of clamp clamping device pressure sensor feedback to simulate the clamp integrated type electrical parking braking system practical working situation when the different angles gradient.
In conjunction with Fig. 1, Fig. 3, a kind of electronic brake system simulator of the present invention, including dip angle adjusting mechanism and clamp clamping force mechanism for testing, described dip angle adjusting mechanism realizes the skew of specified angle by the controllable closed loop systems of servomotor 1 with obliquity sensor 17 composition.nullIn this dip angle adjusting mechanism，Servomotor 1 is connected with decelerator 2，Then pass through and be bolted on motor support base 20，Decelerator 2 axle is connected with rotating shaft 1 by shaft coupling 3，Rotating shaft 1 is fixed on rotation axis support 1，Rotate support plate 9 to be fixed by rotating shaft 1 and rotating shaft 2 10，Rotating shaft two is fixed on rotation axis support 2 11，Obliquity sensor 17 and ECU fixed supported slab 22 are fixed on rotation support plate 9，Elbow folder 5、ECU6 is fixed on ECU fixed supported slab 22，ECU electrifying device 7 is fixed in cylinder push pedal 8，Cylinder push pedal 8 and cylinder 16 link together，Spacing pointer 13 is fixed on rotating shaft 2 10 outer end，Limit switch 14 is fixed on switch carrier 15，Motor support base 20、Rotation axis support 1、Rotation axis support 2 11、Switch carrier 15 is fixed on inclination angle platform base 18，Described dip angle adjusting mechanism is fixed on big plate 21.Described simulator simulates the ± gradient of 30% by the controllable closed loop systems of servomotor and obliquity sensor composition, then ECU (electronic control unit) is carried out angle calibration, thus realizing simulated automotive accurate control of parking power in different angles on-grade parking situation.
In conjunction with Fig. 2, Fig. 3, described clamp clamping force mechanism for testing, it is characterized in that, described clamp clamping force mechanism for testing includes pressure transducer 23, left brake caliper 24, left integrated form EPB actuator 25, right brake caliper 29, right integrated form EPB actuator 30, clamp bearing 26, support baseboard 27.Wherein, pressure transducer 23 is placed in the middle of the brake block of brake caliper, and left brake caliper 24, right brake caliper 29 are arranged on clamp bearing 26, and clamp bearing 26 is fixed on support baseboard 27, and support baseboard 27 is finally fixed on big plate 21.The chucking power information of described clamp device for testing clamping force between pressure sensor feedback simulates the clamp integrated type electrical parking braking system practical working situation when the different angles gradient.
In conjunction with Fig. 1～6, after dip angle adjusting mechanism and clamp clamping force mechanism for testing install, automobile can be carried out and have on the road specifying the inclination angle gradient and carrying out electronic brake simulation experiment.Experimentation is as follows: is sent control signal by driven by servomotor card to servomotor and allows servomotor rotate the angle specified, after servomotor completes this rotational action, it is fixed on the obliquity sensor on swivel plate and can send a feedback signal to driven by servomotor card, now drive the program in card can relatively and judge whether servomotor turns to the angle specified.If not turning to appointment position or rotational angle being excessive, driven by servomotor card can send control program again allows servomotor rotate, until reaching target rotational angle, being thusly-formed a complete controlled closed loop program and reaching the accurate of servomotor rotational angle has been controlled the demarcation to ECU angle.After angle calibration completes, by clamp device for testing clamping force between simplation verification ECU holding function.Concrete grammar is: the actuator of the ECU domination set accepted way of doing sth EPB after calibrated carries out reciprocal 3 clampings, release movement, and the clamping force information fed back by pressure transducer judges whether this set actuator reaches service behaviour requirement.If reaching performance requirement, then by information write ECU such as the electric current recorded, inclination angle, pressure, this set electronic brake system is qualified products；If not up to performance requirement, then judge that this set electronic brake system is defective, it is necessary to it is demarcated again.
Have employed the automobile electronic parking braking system simulator in this invention, automobile parking braking under level line and different angles slope condition can be simulated by the guiding mechanism at controlled inclination angle, it can be clamped the monitoring of power in real time in conjunction with clamp clamping force mechanism for testing, and have high reliability and control delicate nature；Precise structure, test are conveniently, practical, and reliable operation, it may be achieved the various simulation tests of electronic car parking braking system has wider application scope.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that still may be made that various amendment and conversion are without departing from the spirit and scope of the present invention.Therefore, specification and drawings is regarded in an illustrative, rather than a restrictive.
Claims (8)
1. an automobile electronic parking braking system simulator, it is characterized in that, described device includes dip angle adjusting mechanism and clamp clamping force mechanism for testing, described dip angle adjusting mechanism includes driving mechanism, inclination angle actuator and obliquity sensor, described driving mechanism tilts in order to drive described inclination angle actuator, described obliquity sensor is fixed in described inclination angle actuator, described clamp clamping force mechanism for testing includes clamp actuator and pressure transducer, and described pressure transducer is fixed in described clamp actuator.
2. automobile electronic parking braking system simulator according to claim 1, it is characterized in that, described driving mechanism includes servomotor, decelerator and motor support base, described servomotor is connected with decelerator, described servomotor is fixed on described motor support base, described decelerator one end is connected with described servomotor, and the described decelerator other end is connected with described inclination angle actuator.
3. automobile electronic parking braking system simulator according to claim 2, it is characterized in that, described inclination angle actuator includes shaft coupling, rotating shaft one, rotate support plate, rotating shaft two, ECU fixed supported slab, elbow presss from both sides, cylinder push pedal and cylinder, the axle of described decelerator is connected with rotating shaft one by shaft coupling, rotate support plate and be fixed on described rotating shaft one and rotating shaft two, described obliquity sensor and ECU fixed supported slab are fixed on described rotation support plate, described elbow folder and ECU are fixed on described ECU fixed supported slab, ECU electrifying device is fixed in cylinder push pedal, cylinder push pedal and cylinder link together, spacing pointer is fixed on the outer end of described rotating shaft two, limit switch is fixed on switch carrier, described motor support base and switch carrier are fixed on the platform base of inclination angle.
4. automobile electronic parking braking system simulator according to claim 3, it is characterized in that, described inclination angle actuator also includes rotation axis support one and rotation axis support two, described rotating shaft one is fixed on rotation axis support one, described rotating shaft two is fixed on rotation axis support two, and described rotation axis support one and rotation axis support two are fixed on the platform base of inclination angle.
5. automobile electronic parking braking system simulator according to claim 1, it is characterised in that described dip angle adjusting mechanism in order to simulating ± gradient of 30%.
6. automobile electronic parking braking system simulator according to claim 1, it is characterized in that, described clamp actuator includes left brake caliper, left integrated form EPB executor, right brake caliper and right integrated form EPB executor, and described pressure transducer is placed in the middle of the brake block of described left brake caliper and right brake caliper.
7. automobile electronic parking braking system simulator according to claim 6, it is characterized in that, described clamp actuator also includes clamp bearing and support baseboard, and described left brake caliper and right brake caliper are arranged on clamp bearing, and described clamp bearing is fixed on support baseboard.
8. automobile electronic parking braking system simulator according to claim 7, it is characterised in that described device also includes big plate, described dip angle adjusting mechanism and support baseboard are fixed on described big plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236906.2A CN105738125A (en) | 2016-04-14 | 2016-04-14 | Simulation apparatus for electronic parking brake system of automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610236906.2A CN105738125A (en) | 2016-04-14 | 2016-04-14 | Simulation apparatus for electronic parking brake system of automobile |
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| CN105738125A true CN105738125A (en) | 2016-07-06 |
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| CN201610236906.2A Pending CN105738125A (en) | 2016-04-14 | 2016-04-14 | Simulation apparatus for electronic parking brake system of automobile |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404384A (en) * | 2016-12-08 | 2017-02-15 | 芜湖全程智能科技有限公司 | Tool for performance testing of electronic parking brake unit |
| CN106768586A (en) * | 2016-12-14 | 2017-05-31 | 广州汽车集团股份有限公司 | Electronic parking clamp clamping force method of calibration and system |
| CN107677408A (en) * | 2017-11-21 | 2018-02-09 | 格陆博科技有限公司 | A kind of integrated form EPB brake performance test devices |
| CN113031568A (en) * | 2021-03-15 | 2021-06-25 | 奇瑞新能源汽车股份有限公司 | Offline detection method and device for automobile electronic parking controller |
| CN114112011A (en) * | 2021-09-22 | 2022-03-01 | 上海汇众汽车制造有限公司 | Vibration detection system and method for electronic parking actuating mechanism |
| CN114397110A (en) * | 2021-12-15 | 2022-04-26 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile braking system |
| CN114740831A (en) * | 2022-06-09 | 2022-07-12 | 坤泰车辆系统(常州)股份有限公司 | Test bench, test method and EPB system for EPB model verification and parameter matching |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404384A (en) * | 2016-12-08 | 2017-02-15 | 芜湖全程智能科技有限公司 | Tool for performance testing of electronic parking brake unit |
| CN106768586A (en) * | 2016-12-14 | 2017-05-31 | 广州汽车集团股份有限公司 | Electronic parking clamp clamping force method of calibration and system |
| CN106768586B (en) * | 2016-12-14 | 2019-04-02 | 广州汽车集团股份有限公司 | Electronic parking clamp clamping force method of calibration and system |
| CN107677408A (en) * | 2017-11-21 | 2018-02-09 | 格陆博科技有限公司 | A kind of integrated form EPB brake performance test devices |
| CN113031568A (en) * | 2021-03-15 | 2021-06-25 | 奇瑞新能源汽车股份有限公司 | Offline detection method and device for automobile electronic parking controller |
| CN114112011A (en) * | 2021-09-22 | 2022-03-01 | 上海汇众汽车制造有限公司 | Vibration detection system and method for electronic parking actuating mechanism |
| CN114397110A (en) * | 2021-12-15 | 2022-04-26 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile braking system |
| CN114397110B (en) * | 2021-12-15 | 2023-07-07 | 重庆长安汽车股份有限公司 | Durability testing device and method for automobile braking system |
| CN114740831A (en) * | 2022-06-09 | 2022-07-12 | 坤泰车辆系统(常州)股份有限公司 | Test bench, test method and EPB system for EPB model verification and parameter matching |
| CN114740831B (en) * | 2022-06-09 | 2022-09-06 | 坤泰车辆系统(常州)股份有限公司 | Test method of test bench for EPB model verification and parameter matching and EPB system |
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