WO2017097901A1 - Dispositif pour détecter et mesurer la poussière de frein - Google Patents

Dispositif pour détecter et mesurer la poussière de frein Download PDF

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Publication number
WO2017097901A1
WO2017097901A1 PCT/EP2016/080249 EP2016080249W WO2017097901A1 WO 2017097901 A1 WO2017097901 A1 WO 2017097901A1 EP 2016080249 W EP2016080249 W EP 2016080249W WO 2017097901 A1 WO2017097901 A1 WO 2017097901A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
measuring
particle
dust particles
removal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2016/080249
Other languages
German (de)
English (en)
Inventor
Dmytro Lugovyy
Michael Wirtz
Dieter Weiss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Horiba Europe GmbH
Original Assignee
Horiba Europe GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Horiba Europe GmbH filed Critical Horiba Europe GmbH
Publication of WO2017097901A1 publication Critical patent/WO2017097901A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56—Investigating resistance to wear or abrasion

Definitions

  • the invention relates to a device for detecting and measuring brake dust and a brake tester.
  • the invention is therefore based on the object to provide a device for detecting and measuring brake dust.
  • the device can be used early in the context of the design of the brake system of a vehicle.
  • a measuring device which is used in the usual, known testing and development environment for brake systems.
  • the measuring device for detecting the brake dust works in conjunction with a dynamic brake tester, in which the brake to be tested is actuated, for example, with an example, electric brake actuator.
  • the measuring device is in this case a part of the overall application and can thus be operated as part of the brake test bench.
  • the appropriate measurement procedure includes an automated program with defined load cycles, which is applied to the brake system in the brake tester.
  • the brake dust particles can be detected and measured in a reproducible manner in conjunction with the loads acting on the brake in each case.
  • the particle behavior of a brake can thus be measured on a brake test bench.
  • Brake test stands are used to simulate the real load profiles of a braking system. These test benches usually provide a stable, reproducible measurement environment for brake testing.
  • a measuring point in the immediate vicinity of the brake system, i. provide the brake disc and the brake pads.
  • the brake dust particles are caught at the "outlet" of the brake caliper and collected by means of a collecting container, after which they can be led to a particle measuring device via a hose, which can also be heated, for example.
  • the particle measuring device is able to count the particles and to determine their size or size distribution.
  • the device may be a device known per se for measuring small or very fine particles, e.g. to a device used in the exhaust gas analysis, e.g. for measuring particles in diesel exhaust gases. Such devices are known and are therefore not further elaborated at this point.
  • the particle measuring device can communicate with the brake test bench, so that the measurements are synchronized with the brake test with load profiles. In this way, the measurement results of the particle measuring device can always be assigned to the respective loads of the brake in the brake test bench.
  • the measuring point may be located in the exhaust duct of a blower unit. The brake dust particles are transported via the exhaust air duct of the blower system to the actual measuring point. This measuring point is located at a position to be defined in the exhaust duct. There the particles are picked up by the measuring system, e.g. via a hose, a heated hose or a heated hose with cold air.
  • the entire exhaust duct to heat to prevent conglomerate formation of the particles.
  • the volume flow in the exhaust air duct is measured with a suitable volume flow measuring device.
  • the following measurement parameters may be of interest: amount of air, number of kilometers traveled (of the vehicle whose braking system is currently mounted on the test bench).
  • the brake dust measuring device can be fully integrated into the brake test bench and automatically measure within the framework of a dynamic, realistic load cycle.
  • the invention accordingly relates in particular to a device for measuring and detecting brake dust particles which have been released from a brake, with a removal device for receiving brake dust particles, a particle measuring device for measuring the number and / or the size of the brake dust Particle, and with a conveyor for guiding and conveying the brake dust particles from the sampling device to the particle measuring device.
  • the removal device is suitable for capturing and transporting the particles released by the brake.
  • the conveying device for example a hose, in which an air flow is guided, is suitable for transporting the particles collected or captured by the removal device to the particle measuring device. It may be useful and, for example, also have a heatable hose to prevent clumping of the particles. It can be provided for receiving a brake a brake.
  • the brake is held and secured in the brake mount for testing purposes and is not itself part of the measuring device. Rather, the brake is the test piece to be examined with the aid of the device.
  • the removal device can be designed such that it can be arranged in the region of a brake which can be built up in the brake mount, in particular in the region of a brake caliper of the brake.
  • the brake is - as stated above - not the subject of the measuring device.
  • the brake may be e.g. to act a disc brake known per se for a vehicle, with a brake disc and the brake disc partially embracing caliper and brake disc.
  • the brake can be built into the brake mount for testing purposes.
  • the removal device may have a collecting container, with which the brake dust particles can be collected.
  • the collecting container may consist of a non-corrosive, electrically conductive material.
  • other instruments may be arranged, which are e.g. the determination of the particle mass, the particle size distribution, etc. can serve.
  • the brake housing may be enclosed by a measuring housing, whereby a brake receiving space is defined.
  • the brake can then be mounted and tested within the brake receiving space in the brake housing.
  • the measuring housing surrounds the brake receiving space and may consist of a non-corrosive, electrically conductive material.
  • the measuring housing can be largely sealed against the environment, so that only air can be supplied via a supply air duct described below a blower unit.
  • further instruments may be arranged, e.g. the determination of the particle mass, the particle size distribution, etc. can serve.
  • a blower unit with a supply air duct and an exhaust duct to guide an air flow over the brake.
  • the supply air duct and the exhaust air duct may each be connected to the brake receiving space, for guiding an air flow through the brake receiving space.
  • the air flow may serve to guide the brake dust particles, so that the brake dust particles can be reliably detected by the sampling device. It can also be used to cool the brake.
  • the flow direction of the air flow can be suitably selected. Thus, the air flow can be directed from top to bottom or from bottom to top or in another way.
  • the air flow can be evened out by Strom arrangementselemen- arranged in the supply air duct te, in order to achieve a homogeneous mixture of brake dust particles with (dilution) air.
  • the blower unit may additionally comprise an air conditioning unit, e.g. with inlet filters for cleaning the air supplied via the supply air duct and for conditioning the air in terms of temperature and humidity.
  • air conditioning unit e.g. with inlet filters for cleaning the air supplied via the supply air duct and for conditioning the air in terms of temperature and humidity.
  • flow rectifiers can be provided. At least with regard to the air flow in the exhaust duct, the flow rate can be controlled. The conditioning of the air ensures that the test conditions for the brake can be largely standardized and reproduced.
  • the removal device can - as explained above - be arranged in the region of the brake, in particular in the region of a brake caliper of the brake. Additionally or alternatively, the removal device can be arranged in the exhaust duct.
  • the removal device can have a first removal point in the region of the brake which can be built up in the brake accommodation space, and a second removal point in the waste air channel, wherein both removal points are connected to the particle measurement device via the delivery device.
  • the conveying device may have first conveying means for the first sampling point and second conveying means for the second sampling point, for respectively conveying brake dust particles from the first and the second sampling point to the particle measuring device.
  • a switching device such as a valve to switch between the two funding and thus between the two sampling points
  • a switching device such as a valve to switch between the two funding and thus between the two sampling points
  • the user In the test mode, it is thus possible for the user to select either the particles removed at the first removal point or the particles removed at the second removal point. supplied particles of the particle measuring device to supply and evaluate.
  • the switching device the user can select the respective sampling point and the respective delivery route.
  • the particle measuring device may be suitable for measuring the brake dust particles and also for exhaust gas analysis, in particular for measuring particles in diesel exhaust gases.
  • a test bench e.g. For the testing of internal combustion engines, especially diesel engines already existing device can also be used for the measurement of brake dust.
  • the particle measurement can be integrated into the automation software for a brake load device (for example a dynamometer). However, it can also be provided separately from the automation software or work at least without integration into the automation of the dynamometer. However, a synchronization of the particle measurement with the operation of the brake load device is expedient.
  • the conveyor may have one or more tubular or hose-like lines, which may also be heated if necessary.
  • a line connect the removal device with the particle measuring device.
  • a brake tester is specified, with a brake mount for receiving a brake to be tested, a drive device for applying a brake load to the brake, measuring devices for detecting Test and measurement parameters of the brake, and with a device for determining brake dust particles, as indicated above.
  • the test and measurement parameters of the brake can be the parameters that are usually relevant for testing a brake. These include the drive power of the drive device, the braking power, the support torque of the brake, the speed, the braking force, the temperature development, vibrations, etc.
  • the brake dust particle measuring device can be an integral part of the brake dynamometer, so be installed together with the brake test. In this way, the device is always available during test operation.
  • the measurement results of the particle measuring device and the testing and measuring parameters of the brake can be correlated with each other, i. be related to each other. For example can be logged, at which test operation which particle quantity is produced. For example, it is possible to establish and document a correlation between the braking power, the rotational speed, the temperature and the amount or quantity of particles.
  • a corresponding evaluation device For the correlation of the measurement results and parameters, a corresponding evaluation device can be provided.
  • Figure 1 schematically an embodiment of a device for detecting and measuring brake dust, which is integrated in a brake tester;
  • Figure 2 shows another embodiment of the device
  • Figure 3 shows another embodiment, which is formed by a combination of the embodiments of Figures 1 and 2.
  • a prime mover engine 1 for example, an electric motor, drives a used in the brake test bench 2 rotatably, the part of the testing brake 3 is.
  • the rotation flywheels 4 can be integrated in a known manner.
  • the brake disk 2 is partially enclosed in a known manner by a brake caliper 5, which is also part of the brake 3 to be tested.
  • the caliper 5 carries the brake pads, not shown in the figure, which are subject to wear when the brake 3, whereby the to be detected (fine) particles are removed from the brake pads.
  • the brake 3 is installed in the brake tester in a brake, not shown, which carries the brake and its components and ensures stable support of the braking torque.
  • the structure of such a brake pickup in Bremsenprüfpatentedn is well known, so that a further description is unnecessary.
  • the particles are intercepted or detected at a measuring point (at A) immediately behind the caliper 5 by a removal device 6 and guided via a serving as a conveyor tube 7, which may be heated in the example shown, to a particle meter 8.
  • the particle measuring device 8 may be a device known per se, such as e.g. used in the exhaust gas measurement. By the particle measuring device 8, the particle number and the particle size are detected.
  • a blower system is further provided with a Zu povertykanal 9 and an exhaust duct 10.
  • the supply air duct 9 leads air into a test serving as a test brake 3 enclosing test 1 1, while the exhaust duct 10, this air back from the test cabin 1 1 dissipates.
  • a measuring point for an air volume flow measurement may be provided, e.g. at reference numeral 12.
  • a measuring housing not shown in FIG. 1, or a measuring box can be provided, which encloses the brake 3 in a relatively tight manner and is ventilated by the blower unit.
  • the measuring housing thus encloses a brake receiving space.
  • the fan system is usually available in Bremsenprüffestn to ensure good ventilation of the brake, especially for cooling purposes.
  • the air supplied via the supply air duct 9 can be conditioned in the desired manner by means of an air conditioning device (not shown) with regard to temperature, air humidity and purity (eg by means of a filter) in order to achieve reproducible test results in this way.
  • the removal device 6 may be formed in a suitable manner to detect at least a portion of the brake dust particles.
  • the removal device 6 may have an open-topped box into which the brake dust particles fall due to the force of gravity.
  • FIG. 2 shows a variant of the embodiment of FIG. 1.
  • the brake dust or the brake dust particles are guided in this variant via the exhaust duct 10 to the actual measuring point (at B), which is located in the exhaust duct 10 and at which the removal device 6 is provided. There the particles are picked up and e.g. passed through a heated hose 7 to the particle meter 8.
  • a measuring box enclosing the brake 3 is tightly arranged and connected to the blower unit in the manner described above, it can be ensured that a considerable part of the brake dust particles which are released during braking are picked up by the airflow and can be taken at the measuring point B.
  • the removal device 6 may in turn be designed in a suitable manner to remove the brake dust particles from the flowing through the exhaust air duct 10 air flow.
  • FIG. 3 shows an embodiment which combines the variants of FIG. 1 and FIG. As a result, all brake dust particles can be reliably detected, which are dissolved out of the brake pad.
  • the two measuring points A and B are provided in this variant, so that a secure detection of the brake dust particles is ensured.
  • removal means 6 are provided, which are connected via hoses 7 with a switching device 13.
  • the switching device 13 is in turn connected via a line 14 to the particle meter 8, so depending on the position of the switching device 13, a connection between one of the measuring points A, B and the particle measuring device 8 can be produced.
  • particles from the measuring point A or from the measuring point B are fed to the particle measuring device 8 and evaluated there.
  • the switching device 13 may e.g. be designed as a valve and allows in this way a user-desired or automated switching between the two measuring points A, B or the withdrawal means 6 provided there.
  • the embodiments of Figures 1 and 2 are also combined, but to the extent that for both measuring points A, B each have their own conveyor (for example, a separate tube 7) and a separate particle measuring device 8 is provided. In this way, the particles from the measuring point A and from the measuring point B can be detected and evaluated in parallel in order to obtain a complete overview of all brake dust particles accumulating in the brake test process.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

L'invention concerne un dispositif servant à mesurer et à détecter des particules de poussière générées par un frein (3). Un système de mesure des particules (8) peut être prévu pour mesurer la proportion de particules de poussière de frein. Le système de mesure des particules (8) peut être également prévu pour mesurer la taille de particules de poussière de frein. Un système de prélèvement (6) peut être prévu pour prélever ou absorber des particules de poussière de frein. Un système (7) servant à guider les particules de poussière de frein du système de prélèvement vers le système de mesure des particules peut être prévu. Une soufflerie munie d'un canal d'alimentation d'air (9) et d'un canal d'évacuation d'air (10) peut servir à guider le flux d'air sur le frein (3). Le dispositif peut faire partie intégrante d'un banc d'essai de freins.
PCT/EP2016/080249 2015-12-09 2016-12-08 Dispositif pour détecter et mesurer la poussière de frein Ceased WO2017097901A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15198682 2015-12-09
EP15198682.5 2015-12-09

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Publication Number Publication Date
WO2017097901A1 true WO2017097901A1 (fr) 2017-06-15

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Cited By (19)

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Publication number Priority date Publication date Assignee Title
WO2018202421A1 (fr) 2017-05-02 2018-11-08 Horiba Europe Gmbh Dispositif pour détecter et mesurer la poussière de frein
DE102017006349A1 (de) * 2017-07-05 2019-01-10 Technische Universität Ilmenau Vorrichtung zur Messung und Klassifizierung der Partikelemissionen einer Radbremse eines Fahrzeuges
WO2019225443A1 (fr) 2018-05-22 2019-11-28 株式会社堀場製作所 Système de mesure de poussière de frein et procédé de mesure de poussière de frein
IT201800008055A1 (it) * 2018-08-10 2020-02-10 Freni Brembo Spa Metodo e dispositivo per rilevare e fornire informazioni di valutazione di frenata, indicative di un’emissione di particolato dovuta all’uso di un sistema frenante di un veicolo
DE102018217568A1 (de) * 2018-10-15 2020-04-16 Continental Teves Ag & Co. Ohg Verfahren zur Erfassung von Bremsabriebemissionen in einem Fahrzeug und Vorrichtung zur Durchführung des Verfahrens
CN111989557A (zh) * 2018-04-20 2020-11-24 曙制动器工业株式会社 磨损粉末捕集装置、分析系统、磨损粉末捕集方法及分析方法
WO2021035271A1 (fr) 2019-08-28 2021-03-04 Avl List Gmbh Couronne de mesure pour mesurer l'abrasion d'un frein de roue
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DE102019133772A1 (de) * 2019-12-10 2021-06-10 Ostfalia Hochschule Für Angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel Fahrzeug-Feinstaubsammeleinrichtung und Fahrzeug
EP3862744A4 (fr) * 2018-10-05 2022-08-03 Akebono Brake Industry Co., Ltd. Dispositif de mesure de poussière et procédé de mesure de poussière
WO2022160000A1 (fr) 2021-01-29 2022-08-04 Avl List Gmbh Jante de mesure pour recueillir des particules de frein abrasées
CN115308100A (zh) * 2022-08-17 2022-11-08 北京理工大学 一种机动车刹车颗粒物测量系统和方法
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WO2024081988A1 (fr) 2022-10-21 2024-04-25 Avl List Gmbh Dispositif de mesure d'émissions de frein

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Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018202421A1 (fr) 2017-05-02 2018-11-08 Horiba Europe Gmbh Dispositif pour détecter et mesurer la poussière de frein
DE102017006349A1 (de) * 2017-07-05 2019-01-10 Technische Universität Ilmenau Vorrichtung zur Messung und Klassifizierung der Partikelemissionen einer Radbremse eines Fahrzeuges
DE102017006349B4 (de) 2017-07-05 2022-02-03 Technische Universität Ilmenau Vorrichtung zur Messung und Klassifizierung der Partikelemissionen einer Radbremse eines Fahrzeuges
CN111989557B (zh) * 2018-04-20 2024-04-19 曙制动器工业株式会社 磨损粉末捕集装置、分析系统、磨损粉末捕集方法及分析方法
US11408471B2 (en) 2018-04-20 2022-08-09 Akebono Brake Industry Co., Ltd. Wear debris collection device, analysis system, wear debris collection method, and analysis method
EP3783332A4 (fr) * 2018-04-20 2022-01-26 Akebono Brake Industry Co., Ltd. Dispositif de collecte de poudre abrasive, système d'analyse, procédé de collecte de poudre abrasive et procédé d'analyse
CN111989557A (zh) * 2018-04-20 2020-11-24 曙制动器工业株式会社 磨损粉末捕集装置、分析系统、磨损粉末捕集方法及分析方法
JPWO2019225443A1 (ja) * 2018-05-22 2021-05-27 株式会社堀場製作所 ブレーキダスト計測システム及びブレーキダスト計測方法
JP7296375B2 (ja) 2018-05-22 2023-06-22 株式会社堀場製作所 ブレーキダスト計測システム及びブレーキダスト計測方法
WO2019225443A1 (fr) 2018-05-22 2019-11-28 株式会社堀場製作所 Système de mesure de poussière de frein et procédé de mesure de poussière de frein
US11543331B2 (en) 2018-05-22 2023-01-03 Horiba, Ltd. Brake dust measurement system and brake dust measurement method
WO2020031103A1 (fr) * 2018-08-10 2020-02-13 Freni Brembo S.P.A. Procédé et dispositif pour la détection et la fourniture d'informations d'évaluation de freinage indiquant une émission de particules due à l'utilisation d'un système de freinage de véhicule
IT201800008055A1 (it) * 2018-08-10 2020-02-10 Freni Brembo Spa Metodo e dispositivo per rilevare e fornire informazioni di valutazione di frenata, indicative di un’emissione di particolato dovuta all’uso di un sistema frenante di un veicolo
CN112839851B (zh) * 2018-08-10 2024-07-26 乐姆宝公开有限公司 用于检测和提供指示由于使用载具制动系统而引起的颗粒排放的制动评估信息的方法和设备
US12090977B2 (en) 2018-08-10 2024-09-17 Brembo S.P.A. Method and device for detecting and providing braking assessment information, indicative of a particulate emission due to the use of a vehicle braking system
EP3627126B1 (fr) 2018-09-21 2023-02-22 HORIBA, Ltd. Système d'essai de freins, procédé d'essai de freins et programme pour le système d'essai de freins
EP3862744A4 (fr) * 2018-10-05 2022-08-03 Akebono Brake Industry Co., Ltd. Dispositif de mesure de poussière et procédé de mesure de poussière
DE102018217568A1 (de) * 2018-10-15 2020-04-16 Continental Teves Ag & Co. Ohg Verfahren zur Erfassung von Bremsabriebemissionen in einem Fahrzeug und Vorrichtung zur Durchführung des Verfahrens
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WO2022160000A1 (fr) 2021-01-29 2022-08-04 Avl List Gmbh Jante de mesure pour recueillir des particules de frein abrasées
DE102021211155B3 (de) 2021-10-04 2022-12-08 Volkswagen Aktiengesellschaft Versuchsvorrichtung für ein Fahrzeugbremsenuntersuchungssystem, Fahrzeugbremsenuntersuchungssystem zum Messen und Erfassen von Bremsstaub-Partikeln, Verfahren zum Messen und Erfassen von Bremsstaub-Partikeln bei einem Fahrzeug
DE102023121402A1 (de) 2022-08-11 2024-02-22 Avl List Gmbh Verfahren und Messanordnung zur Bestimmung eines Kennwertes eines Bremsabriebs
AT526377A1 (de) * 2022-08-11 2024-02-15 Avl List Gmbh Anordnung und Verfahren zum Sammeln von Bremsabrieb
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AT525993A4 (de) * 2022-08-11 2023-10-15 Avl List Gmbh Verfahren und Messanordnung zur Bestimmung eines Kennwertes eines Bremsabriebs
AT525993B1 (de) * 2022-08-11 2023-10-15 Avl List Gmbh Verfahren und Messanordnung zur Bestimmung eines Kennwertes eines Bremsabriebs
AT525864A1 (de) * 2022-08-11 2023-07-15 Avl List Gmbh Verfahren und Messanordnung zur Erfassung einer Bremspartikelmasse eines Bremsabriebs
CN115308100A (zh) * 2022-08-17 2022-11-08 北京理工大学 一种机动车刹车颗粒物测量系统和方法
WO2024081988A1 (fr) 2022-10-21 2024-04-25 Avl List Gmbh Dispositif de mesure d'émissions de frein

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