WO2019225443A1 - 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 - Google Patents
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 Download PDFInfo
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- WO2019225443A1 WO2019225443A1 PCT/JP2019/019346 JP2019019346W WO2019225443A1 WO 2019225443 A1 WO2019225443 A1 WO 2019225443A1 JP 2019019346 W JP2019019346 W JP 2019019346W WO 2019225443 A1 WO2019225443 A1 WO 2019225443A1
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- 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
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
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- 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
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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
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- 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
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
- G01N15/0625—Optical scan of the deposits
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- 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
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- 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
- G01N1/2226—Sampling from a closed space, e.g. food package, head space
- G01N2001/2241—Sampling from a closed space, e.g. food package, head space purpose-built sampling enclosure for emissions
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- 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
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
Definitions
- the present invention relates to a brake dust measuring system and a brake dust measuring method.
- a funnel-shaped collection probe also referred to as a funnel
- sampling of brake dust together with air around the brake is considered.
- air sampled by a funnel-shaped collection probe is used as, for example, a condensed particle counter (CPC) or a diffusion charge sensor (DCS).
- CPC condensed particle counter
- DCS diffusion charge sensor
- the particle measuring device measures rubber powder, metal powder, dust and the like in addition to brake dust, and it is difficult to accurately measure brake dust.
- particle measuring devices such as CPC and DCS can only measure the number of particles and the particle size, and cannot accurately measure the amount of brake dust generated.
- the present invention has been made to solve the above-described problems, and its main problem is to enable accurate measurement of the amount of brake dust generated.
- the brake dust measurement system is a brake dust measurement system in which a specimen having a brake is arranged in a chamber and measures brake dust emitted from the brake, and sampling for sampling the air in the chamber.
- An element analysis unit for elemental analysis of sampled air a storage unit for storing content information of one or more elements included in the brake, an element analysis result of the element analysis unit, and an element content information
- a calculating unit that calculates the amount of brake dust contained in the sampled air.
- the brake dust measuring method is a brake dust measuring method in which a specimen having a brake is arranged in a chamber and the brake dust emitted from the brake is measured, and the air in the chamber is sampled. Included in the sampled air based on a sampling step, an elemental analysis step for elemental analysis of the sampled air, and an elemental analysis result of the elemental analysis step and content information of one or more elements included in the brake And a calculating step for calculating a brake dust amount.
- the brake included in the sampled air based on the elemental analysis result obtained by elemental analysis of the sampled air and the content information of one or more elements included in the brake. Since the amount of dust is calculated, the influence of rubber powder, metal powder, dust, etc. can be reduced. As a result, the amount of generated brake dust can be accurately measured.
- the brake includes a brake rotor that is a rotating body and a brake pad that is pressed against the brake rotor.
- the brake pad is worn more than the brake rotor, and if the amount of brake dust generated from the brake pad can be accurately measured, the practicality of the present invention is improved.
- the storage unit stores content information of elements contained in the brake pads, and the calculation unit calculates the amount of brake dust generated due to wear of the pads.
- the storage unit stores content information of elements contained in the rotor of the brake, and the calculation unit calculates the amount of brake dust generated due to wear of the rotor.
- the sampled air may contain error factor components other than brake dust.
- the chamber has a sealed space in which the specimen is arranged.
- the atmospheric pressure in the chamber fluctuates, causing problems such as changes in measurement conditions.
- the chamber is provided with a pressure fluctuation absorbing mechanism that supplies and exhausts air in response to the pressure fluctuation caused by the sampling of the sampling unit and absorbs the pressure fluctuation of the sealed space. It is desirable that
- the calculation unit In order to measure the amount of brake dust generated from the entire brake, the calculation unit generates the brake dust from the amount of brake dust contained in the sampling air based on the volume of the chamber and the integrated flow rate of the sampling air. It is desirable to calculate the total amount of brake dust.
- the brake dust measurement system obtains the reduced weight of the brake after the test before the test of the specimen. Further comprising a weight reduction acquisition unit, the calculation unit calculates an integrated value in the test of the amount of brake dust contained in the sampling air, calculates a ratio of the reduced weight to the integrated value, It is desirable to calculate the amount of brake dust generated from the brake in each section by multiplying the amount of brake dust contained in the sampling air obtained in the section by the ratio.
- the sampled air is converted into the sampled air based on the elemental analysis result obtained by elemental analysis of the sampled air and the content information of one or more elements included in the brake. Since the amount of brake dust contained is calculated, the amount of brake dust generated can be accurately measured.
- 1 is an overall schematic diagram of a brake dust measurement system according to an embodiment. It is a functional block diagram which shows the function of the arithmetic unit which concerns on the same embodiment. It is a functional block diagram which shows the function of the arithmetic unit of deformation
- the brake dust measurement system 100 measures a brake dust generated from the brake B by arranging a specimen having the brake B in the chamber 2.
- the chassis dynamometer 10 includes a rotating drum 11 on which a driving wheel of the test vehicle V is mounted.
- the rotating drum 11 is provided for each of the front wheel and the rear wheel of the test vehicle V.
- the rotating drum 11 may be provided for only one of the rear wheels.
- the brake dust measurement system 100 includes a chamber 2 in which a test vehicle V that is a specimen having a brake B is disposed, a sampling unit 3 that samples air in the chamber 2, and sampling that is sampled by the sampling unit 3.
- An element analysis unit 4 that performs elemental analysis of air and an arithmetic unit 5 that calculates the amount of brake dust based on the element analysis result of the element analysis unit 4 are provided.
- the chamber 2 has a substantially sealed space 2S in which the test vehicle V is disposed, and has a discharge mechanism 21 that discharges exhaust gas discharged from the test vehicle V to the outside of the chamber.
- the discharge mechanism 21 is a pipe that communicates the exhaust pipe of the test vehicle V with the outside of the chamber 2.
- the chamber 2 is provided with a pressure fluctuation absorbing mechanism 22 for supplying and exhausting air corresponding to a pressure fluctuation caused by sampling of the sampling unit 3 described later and absorbing the pressure fluctuation in the sealed space 2S.
- This atmospheric pressure fluctuation absorbing mechanism 22 is a bag having an opening communicating with the outside air of the chamber 2, and when the air pressure in the sealed space 2S decreases, the air is taken in and inflated, and the air pressure in the sealed space 2S increases. The air in the bag is released to the outside. Thereby, the atmospheric
- the number of bags is not limited to two and may be one or three or more.
- the installation position of a bag is not restricted to an upper wall part, A side wall part or a lower wall part may be sufficient.
- the atmospheric pressure fluctuation absorbing mechanism 22 may have a configuration including an elastic body that expands and contracts according to the atmospheric pressure fluctuation of the sealed space 2S.
- the sampling unit 3 samples the air in the chamber 2.
- the air in the chamber 2 is sampled in two stages, and a first sampling unit 31 that samples a large amount of air and a part of the air sampled by the first sampling unit 31 are sampled. And a second stage sampling unit 32.
- the first stage collection unit 31 is provided in the first collection tube 31a having one end (first collection port 31P) opened in the chamber 2, and provided in the first collection tube 31a, and draws air from the first collection port 31P.
- a first suction pump 31b for suctioning is provided.
- the first sampling pipe 31a is provided with a first flow rate sensor 31c that measures the flow rate of air flowing through the first sampling pipe 31a.
- the second-stage sampling unit 32 is provided in the first sampling tube 31a with a second sampling tube 32a having one end (second sampling port 32P) opened therein, and the second sampling port 32P.
- a second suction pump 32b is provided for sucking air from.
- the second sampling tube 32a is provided with a second flow rate sensor 32c that measures the flow rate of air flowing through the second sampling tube 32a.
- the first sampling port 31P is provided in the chamber 2 at a site where the brake dust generated from the brake B can be efficiently collected.
- the first sampling port 31P may be provided in the vicinity of the brake B, provided in the lower space of the test vehicle V, provided in the lee of the test vehicle V, or provided in the upper space of the test vehicle V. It is done.
- FIG. 1 shows an example in which the test vehicle V is provided in front of the upper space, the present invention is not limited to this.
- the first sampling port 31P may be provided for each brake B provided in each tire of the test vehicle V.
- the first collection port 31P can be configured by, for example, a funnel-shaped collection probe.
- the second collection tube 32a of the second stage collection unit 32 is provided with a collection filter 6 for collecting brake dust contained in the air sampled by the second collection port 32P.
- This collection filter 6 collects the sampled particles in the air, and may be of a batch type in which one piece is separated, or a supply roll and a take-up roll are used. It may be of a winding type. As a material of the collection filter 6, for example, PTFE coated glass fiber or PTFE can be considered.
- the element analysis unit 4 performs elemental analysis of the air sampled by the sampling unit 3. Specifically, the element analysis unit 4 performs elemental analysis on the particles collected by the collection filter 6.
- the element analysis unit 4 is a fluorescent X-ray analyzer, and is an apparatus that performs elemental analysis by irradiating a sample with X-rays and detecting the generated fluorescent X-rays.
- the sample is a collection filter 6 that collects particles.
- the element analysis unit 4 of the present embodiment can quantitatively analyze the concentration (for example, mass concentration (%)) and mass (g) of an element contained in the particles collected by the collection filter 6. If the collection filter 6 is a batch type, the collection filter 6 is removed from the sampling unit 3 and set in the element analysis unit 4 to perform elemental analysis.
- the element analysis unit 4 is installed in the vicinity of the collection filter 6, and elemental analysis is performed without removing the collection filter 6 from the sampling unit 3. In this case, it is good also as an apparatus (element analysis apparatus with a filter) by which the winding type collection filter 6 and the element analysis part 4 were comprised integrally.
- the calculation device 5 acquires data indicating the elemental analysis result obtained by the elemental analysis unit 4 and calculates the amount of brake dust.
- the arithmetic device 5 is a dedicated or general-purpose computer including a CPU, an internal memory, an input / output interface, an AD converter, and the like.
- the arithmetic unit 5 functions as a storage unit 51, a reception unit 52, a calculation unit 53, and the like by the cooperation of the CPU and other components based on the brake dust measurement program stored in the internal memory. Demonstrate.
- the units 51 to 53 will be described.
- the storage unit 51 stores content information of one or more elements included in the brake B.
- This content information is digital data and includes not only the known concentration (for example, mass concentration (%)) of one or more elements contained in the brake B but also the composition ratio or content ratio of the one or more elements. You may go out.
- the content information may be input in advance by a user or the like, or may be transmitted from a server or the like via the Internet.
- the storage unit 51 of the present embodiment stores content information of one or more elements included in the brake pad.
- the storage unit 51 may store content information of one or more elements included in the brake rotor.
- the reception unit 52 receives element analysis information obtained by the element analysis unit 4.
- This elemental analysis information is digital data, and includes not only the measured concentrations (for example, mass concentration (%)) of a plurality of elements contained in the particles collected by the collection filter 33, but also the composition ratios of the plurality of elements or The content ratio may be included. Then, the reception unit 52 transmits the received element analysis information to the calculation unit 53.
- the receiving unit 52 receives the flow rate data of the air flowing through the first sampling tube 31a obtained by the first flow rate sensor 31c, and the flow rate of the air flowing through the second sampling tube 32a obtained by the second flow rate sensor 32c. Accept data. Then, the reception unit 52 transmits the received flow rate data to the calculation unit 53.
- the calculation unit 53 calculates the amount of brake dust contained in the sampling air based on the elemental analysis information and flow rate data received by the reception unit 52 and the content information stored in the storage unit 51.
- the calculation unit 53 calculates the weight of titanium (Ti) (g ⁇ m / s 2 ), the weight of copper (Cu) (g ⁇ m / s 2 ), the weight of iron (Fe) (from the elemental analysis information).
- g ⁇ m / s 2 is measured (titanium: M Ti , copper: M Cu , iron: M Fe ).
- the weight difference of the collection filter 6 before and after collection is calculated, and the content ratio of each component obtained using an elemental analyzer is multiplied to the weight difference.
- the collected weight is obtained from the transmission intensity of ⁇ -rays obtained by, for example, irradiating the collected filter 6 with ⁇ -rays, and each of the collected weights obtained using an elemental analyzer is obtained. It is conceivable to multiply the content ratios of the components.
- the content percentage of titanium, copper, and iron in the brake pad is measured in advance in terms of weight percentage (%) using an elemental analyzer (titanium: R Ti %, copper: R Cu %, iron: R Fe %).
- the content ratio of titanium, copper, and iron is stored in the storage unit 51 as content information.
- sampling flow rate (flow rate data of the second flow rate sensor 32c) by the second stage sampling unit 42 is X (L / min)
- sampling flow rate (flow rate data of the first flow rate sensor 31c) by the first stage sampling unit is Y ( m 3 / min)
- sampling time by the second stage sampling unit 42 is T (min).
- the calculation unit 53 calculates the amount of brake dust (g ⁇ m / s 2 ) contained in the sampled air by the following equation.
- m P [average of M Ti / R Ti and M Cu / R Cu ] ⁇ (Y ⁇ 1000 / X) ⁇ T
- m P [average of M Ti / R Ti and M Cu / R Cu ] ⁇ (Y ⁇ 1000 / X) ⁇ T
- ⁇ Dust generation from brake rotor (m D )> m D ⁇ M Fe ⁇ (Y ⁇ 1000 / X) ⁇ T ⁇ ⁇ m P ⁇ R Fe
- the above brake dust amount is included in sampled air and does not include brake dust included in unsampled air.
- the calculation unit 53 uses the following method to brake the brake dust amount (m B ) contained in the sampling air based on the volume (V C ) of the chamber 2 and the integrated flow rate (Q S ) of the sampling air.
- the total amount of brake dust generated from B (m TOTAL ) can also be calculated.
- ⁇ Total amount of brake dust generated from brake B (m TOTAL )> m TOTAL m B ⁇ V C / Q S
- the brake dust measurement system 100 of the present embodiment configured as described above, based on the elemental analysis result obtained by elemental analysis of the sampled air and the content information of one or more elements included in the brake. Since the amount of brake dust contained in the sampled air is calculated, the influence of rubber powder, metal powder, dust, and the like can be reduced. As a result, the amount of generated brake dust can be accurately measured.
- the present invention is not limited to the above embodiment.
- the arithmetic device 5 further includes a reduced weight acquisition unit 54 that acquires a reduced weight (M diff ) of the brake after the test before the test of the specimen, and the reduced weight (M diff ), the brake dust amount may be corrected.
- M diff reduced weight
- the calculation unit 53 calculates an integrated value (M all ) in the test of the amount of brake dust contained in the sampling air, and calculates a ratio of the reduced weight (M diff ) to the integrated value (M all ). And the calculation part 53 multiplies a ratio with the amount of brake dust contained in the sampling air obtained in each section under test, and calculates the amount of brake dust generated from the brake in each section.
- the amount of brake dust contained in the sampling air in each of sections 1 to 3 is M 1 , M 2 , and M 3 .
- the vehicle is run on the chassis dynamo to measure the amount of brake dust, but as shown in FIG. 5, the brake B is set on the brake dynamo BD to measure the amount of brake dust.
- the vehicle speed wind around the brake rotor (brake rotor) is controlled by simulating the vehicle speed with an axial fan installed in the chamber 2. It is not necessary to place a sampling point in the vicinity of the specimen (brake B), and the influence of sampling on the temperature of the brake rotor can be reduced. Further, only the brake assembly is provided, and the peripheral structure to which the brake dust adheres is small, and the brake dust can be easily scattered in the chamber 2. In addition, the brake dust is easily diffused by the cooling axial fan. As the air in the chamber 2, for example, air cleaned using a dustproof filter F such as a HEPA filter is used. Furthermore, since there are no tires, the generation source of dust can be reduced and sampling of brake dust can be performed efficiently.
- a dustproof filter F such as a HEPA filter
- the exhaust gas discharged from the vehicle running on the chassis dynamo of the embodiment may be collected by an exhaust gas sampling device, and combined with a system that analyzes a predetermined component contained in the exhaust gas by the exhaust gas analyzer.
- the brake dust amount is measured for both the brake pad and the brake rotor.
- the brake dust amount may be measured only for the brake pad.
- the brake type may be a drum brake. In this case, the storage information of the brake shoe element and / or the brake drum element content is stored in the storage unit.
- the sampling is performed in two stages in consideration of the amount of air collected from the chamber and the flow rate to the collection filter.
- the sampling may be performed in one stage.
- the brake dust of the brake of a four-wheeled vehicle is measured.
- the brake dust of the brake of a two-wheeled vehicle may be measured.
- the test vehicle V may be a hybrid vehicle, an electric vehicle, or a fuel cell vehicle.
- the specimen of the said embodiment was a completed vehicle, it may be a part of vehicle.
- the arithmetic unit may calculate the amount of brake dust using a machine learning algorithm.
- the arithmetic device includes a machine learning unit that performs machine learning using a learning data set including data indicating the elemental analysis result obtained by the elemental analysis unit 4 and data indicating the amount of brake dust, and the machine learning The brake dust material is calculated from the data indicating the elemental analysis result obtained by the elemental analysis unit 4 using the learning model generated by the unit.
- the learning model may be generated by a machine learning device separately from the arithmetic device.
- the brake dust measurement system which can measure the generation amount of brake dust correctly can be provided.
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Abstract
Description
ここで、ブレーキパッドはブレーキロータに比べて摩耗が大きく、ブレーキパッドから発生するブレーキダスト量を正確に計測できれば、本発明の実用性が向上する。このため、前記格納部は、前記ブレーキのパッドに含有されている元素の含有情報を格納しており、前記算出部は、前記パッドの摩耗により生じたブレーキダスト量を算出することが考えられる。
この構成において、サンプリング部によりサンプリングすると、チャンバー内の気圧が変動して、計測条件が変化するなどの不具合が生じてしまう。
この問題を好適に解決するためには、前記チャンバーには、前記サンプリング部のサンプリングによる気圧変動に対応して空気を給排気し、前記密閉空間の気圧変動を吸収する気圧変動吸収機構が設けられていることが望ましい。
B ・・・ブレーキ
V ・・・試験車両(供試体)
2 ・・・チャンバー
2S ・・・密閉空間
21 ・・・気圧変動吸収機構
31 ・・・サンプリング部
4 ・・・元素分析部
51 ・・・格納部
53 ・・・算出部
54 ・・・減少重量取得部
mP=[MTi/RTiとMCu/RCuとの平均]×(Y×1000/X)×T
本実施形態では、チタンの計測重量から換算したブレーキパッドのダスト量と、銅の計測重量から換算したブレーキパッドのダスト量とを平均しているので、より正確なダスト発生量(mP)を算出することができる。なお、それらを平均すること無く、何れか一方の計測重量から換算したブレーキパッドのダスト量を用いても良い。
mD={MFe×(Y×1000/X)×T}-mP×RFe
mB=mP+mD
mTOTAL=mB×VC/QS
Claims (7)
- ブレーキを有する供試体をチャンバー内に配置して、前記ブレーキから発生するブレーキダストを計測するブレーキダスト計測システムであって、
前記チャンバー内の空気をサンプリングするサンプリング部と、
前記サンプリング部によりサンプリングされたサンプリング空気を元素分析する元素分析部と、
前記ブレーキに含まれる1又は複数の元素の含有情報を格納する格納部と、
前記元素分析部の元素分析結果及び前記元素の含有情報に基づいて、前記サンプリング空気に含まれるブレーキダスト量を算出する算出部とを備える、ブレーキダスト計測システム。 - 前記格納部は、前記ブレーキのパッドに含有されている元素の含有情報を格納しており、
前記算出部は、前記パッドの摩耗により生じたブレーキダスト量を算出する、請求項1記載のブレーキダスト計測システム。 - 前記格納部は、前記ブレーキのロータに含有されている元素の含有情報を格納しており、
前記算出部は、前記ロータの摩耗により生じたブレーキダスト量を算出する、請求項1又は2記載のブレーキダスト計測システム。 - 前記チャンバーは、前記供試体が配置される密閉空間を有しており、
前記チャンバーには、前記サンプリング部のサンプリングによる気圧変動に対応して空気を給排気し、前記密閉空間の気圧変動を吸収する気圧変動吸収機構が設けられている、請求項1乃至3の何れか一項に記載のブレーキダスト計測システム。 - 前記算出部は、前記チャンバーの容積と前記サンプリング空気の積算流量とに基づいて、前記サンプリング空気に含まれるブレーキダスト量から前記ブレーキから発生するブレーキダストの全量を算出する、請求項1乃至4の何れか一項に記載のブレーキダスト計測システム。
- 前記供試体の試験前に対する試験後の前記ブレーキの減少重量を取得する減少重量取得部を更に備え、
前記算出部は、前記サンプリング空気に含まれるブレーキダスト量の前記試験における積算値を算出し、前記積算値に対する前記減少重量の比を算出し、前記試験中の各区間において得られた前記サンプリング空気に含まれるブレーキダスト量に前記比を乗算して、前記各区間において前記ブレーキから発生するブレーキダスト量を算出する、請求項1乃至4の何れか一項に記載のブレーキダスト計測システム。 - ブレーキを有する供試体をチャンバー内に配置して、前記ブレーキから発生するブレーキダストを計測するブレーキダスト計測方法であって、
前記チャンバー内の空気をサンプリングするサンプリングステップと、
サンプリングされた空気を元素分析する元素分析ステップと、
前記元素分析ステップの元素分析結果及び前記ブレーキに含まれる1又は複数の元素の含有情報に基づいて、前記サンプリングされた空気に含まれるブレーキダスト量を算出する算出ステップとを備える、ブレーキダスト計測方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/057,675 US11543331B2 (en) | 2018-05-22 | 2019-05-15 | Brake dust measurement system and brake dust measurement method |
| EP19808418.8A EP3798603A4 (en) | 2018-05-22 | 2019-05-15 | Brake dust measurement system and brake dust measurement method |
| JP2020521182A JP7296375B2 (ja) | 2018-05-22 | 2019-05-15 | 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 |
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| JP2018098191 | 2018-05-22 | ||
| JP2018-098191 | 2018-05-22 |
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| WO2019225443A1 true WO2019225443A1 (ja) | 2019-11-28 |
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| US (1) | US11543331B2 (ja) |
| EP (1) | EP3798603A4 (ja) |
| JP (1) | JP7296375B2 (ja) |
| WO (1) | WO2019225443A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022130853A1 (ja) * | 2020-12-14 | 2022-06-23 | 株式会社堀場製作所 | ブレーキダスト測定装置、ブレーキダスト測定方法、及びブレーキダスト測定用プログラム |
| 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 |
| CN117191421A (zh) * | 2023-08-29 | 2023-12-08 | 中汽研汽车检验中心(天津)有限公司 | 用于制动磨损颗粒物排放测试的装置和方法 |
| JP2024524157A (ja) * | 2021-06-28 | 2024-07-05 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 車両のブレーキライニングの摩耗状態を決定するための方法並びに装置およびコンピュータプログラム |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| GB2620733A (en) * | 2022-07-13 | 2024-01-24 | Emissions Analytics Ltd | A vehicle emissions sampling device for sampling emissions from a wheel and/or brake of a vehicle |
| AT526050B1 (de) * | 2022-10-21 | 2023-11-15 | Avl List Gmbh | Vorrichtung zum Messen von Bremsemissionen |
| AT527039B1 (de) * | 2023-07-07 | 2024-10-15 | Avl List Gmbh | Verfahren zum Durchführen eines Lecktests in einer Messanordnung |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6112045U (ja) * | 1984-06-26 | 1986-01-24 | 株式会社 堀場製作所 | ダスト・サンプリング装置 |
| WO2017097901A1 (de) | 2015-12-09 | 2017-06-15 | Horiba Europe Gmbh | Vorrichtung zum erfassen und messen von bremsstaub |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4324620A1 (de) * | 1993-07-22 | 1995-01-26 | Teves Gmbh Alfred | Prüfstand für Verschleißmessungen an Bremsscheiben |
| JP6974280B2 (ja) * | 2018-09-21 | 2021-12-01 | 株式会社堀場製作所 | ブレーキ試験システム、ブレーキ試験方法及びブレーキ試験システム用のプログラム |
-
2019
- 2019-05-15 WO PCT/JP2019/019346 patent/WO2019225443A1/ja not_active Ceased
- 2019-05-15 EP EP19808418.8A patent/EP3798603A4/en not_active Withdrawn
- 2019-05-15 JP JP2020521182A patent/JP7296375B2/ja active Active
- 2019-05-15 US US17/057,675 patent/US11543331B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6112045U (ja) * | 1984-06-26 | 1986-01-24 | 株式会社 堀場製作所 | ダスト・サンプリング装置 |
| WO2017097901A1 (de) | 2015-12-09 | 2017-06-15 | Horiba Europe Gmbh | Vorrichtung zum erfassen und messen von bremsstaub |
Non-Patent Citations (4)
| Title |
|---|
| AUGSBURG, KLAUS: "Investigation of Brake Wear Particles", READOUT HORIBA TECHNICAL REPORTS, September 2012 (2012-09-01), pages 34 - 39, XP055349866 * |
| IIJIMA, AKIHIRO: "Particle size and composition distribution analysis of automotive brake abrasion dusts for the evaluation of antimony sources of airborne particulate matter", ATMOSPHERIC ENVIRONMENT, vol. 41, 2007, pages 4908 - 4919, XP022104180, DOI: 10.1016/j.atmosenv.2007.02.005 * |
| SANDERS, G. PAUL: "Airborne Brake Wear Debris: Size Distributions, Composition, and a Comparison of Dynamometer and Vehicle Tests", ENVIRONMENTAL SCIENCE & TECHNOLOGY, vol. 37, no. 18, 2003, pages 4060 - 4069, XP055657774, DOI: 10.1021/es034145s * |
| See also references of EP3798603A4 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022130853A1 (ja) * | 2020-12-14 | 2022-06-23 | 株式会社堀場製作所 | ブレーキダスト測定装置、ブレーキダスト測定方法、及びブレーキダスト測定用プログラム |
| JPWO2022130853A1 (ja) * | 2020-12-14 | 2022-06-23 | ||
| CN116648569A (zh) * | 2020-12-14 | 2023-08-25 | 株式会社堀场制作所 | 制动粉尘测定装置、制动粉尘测定方法和制动粉尘测定用程序 |
| US20240035934A1 (en) * | 2020-12-14 | 2024-02-01 | Horiba, Ltd. | Brake dust measurement device, brake dust measurement method, and brake dust measurement program instructions |
| JP7751596B2 (ja) | 2020-12-14 | 2025-10-08 | 株式会社堀場製作所 | ブレーキダスト測定装置、ブレーキダスト測定方法、及びブレーキダスト測定用プログラム |
| US12553802B2 (en) | 2020-12-14 | 2026-02-17 | Horiba. Ltd. | Measurement method, and brake dust measurement program instructions |
| JP2024524157A (ja) * | 2021-06-28 | 2024-07-05 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 車両のブレーキライニングの摩耗状態を決定するための方法並びに装置およびコンピュータプログラム |
| 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 |
| CN117191421A (zh) * | 2023-08-29 | 2023-12-08 | 中汽研汽车检验中心(天津)有限公司 | 用于制动磨损颗粒物排放测试的装置和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20210199544A1 (en) | 2021-07-01 |
| JPWO2019225443A1 (ja) | 2021-05-27 |
| EP3798603A4 (en) | 2022-02-23 |
| US11543331B2 (en) | 2023-01-03 |
| EP3798603A1 (en) | 2021-03-31 |
| JP7296375B2 (ja) | 2023-06-22 |
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