Brake pollutant detection fairing for brake

Abstract

The utility model discloses a brake pollutant detection fairing which comprises a shell, a containing cavity is formed in the shell, and a brake is installed in the containing cavity through a transmission shaft. An installation opening is formed in the shell, the installation opening is communicated with the containing cavity, two cover bodies are movably arranged on the installation opening in a covering mode, the two cover bodies are oppositely arranged, and the two cover bodies are configured to be far away from or close to each other so as to open or close the installation opening; the brake is installed in the closed containing cavity, the brake can conduct a brake emission particulate matter test in the containing cavity, generated particulate matter can be isolated from the external environment, interference of external factors is reduced, and the accuracy and reliability of detection data are improved; meanwhile, the cover body can flexibly open or close the mounting opening, so that the brake can be quickly disassembled, assembled, replaced, cleaned and maintained in the flow guide cover, the test efficiency and convenience are improved, and the adaptability and practicability are high.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle emission pollutant technical field especially, relate to a brake brake pollutant detection fairing. BACKGROUND

[0002] With the rapid development of social economy and the continuous progress of transportation industry, the number of cars increases dramatically, and road traffic thus becomes one of the main sources of particulate matter emissions, especially in densely populated and busy traffic areas, non-exhaust emissions such as brake wear particles and tire wear particles have a more and more significant negative impact on air quality, which constitutes a significant environmental risk that cannot be ignored. Therefore, with the general enhancement of public environmental awareness and the continuous tightening of national emission regulations, accurate testing of brake emission particles is carried out to scientifically evaluate the pollution status of non-exhaust emissions, and effective emission reduction measures are developed and implemented accordingly. Not only has far-reaching practical significance for improving air quality and protecting public health, but also is an urgent need to respond to environmental challenges and achieve sustainable development.

[0003] At present, for brake emission particle test, it mainly depends on actual road test to obtain automobile brake emission data under conditions close to real driving. Although this test method can reflect the brake emission of vehicles in actual use to a certain extent, when the actual road test is carried out, the vehicle is exposed to a complex traffic environment, and the brake emission particles used for testing will not only be disturbed by exhaust emissions of other vehicles, but also be affected by various external pollution sources such as road dust and industrial emissions. These uncontrollable external factors cause the collected brake emission particles to be mixed with pollutants from other sources, thereby seriously affecting the accuracy and reliability of the data. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a brake brake pollutant detection fairing to solve the problem that the brake emission particles collected during brake emission particle test are easily disturbed by external pollution sources such as exhaust emissions of other vehicles, road dust and industrial emissions in the prior art, which makes it difficult to guarantee the accuracy and reliability of the data.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A brake brake pollutant detection fairing, a brake is connected with a transmission shaft, the transmission shaft is connected with an external power source, the power source is used for driving the transmission shaft to rotate, so as to drive the brake to start or stop, and the fairing comprises:

[0007] A shell, the shell is formed with a containing cavity, and the brake is installed in the containing cavity through the transmission shaft;

[0008] The mounting port is formed on the shell and communicates with the accommodating cavity, and the movable cover of the mounting port is provided with two cover bodies, the two cover bodies are oppositely arranged, and the two cover bodies are configured to be capable of moving away from or close to each other to open or close the mounting port.

[0009] According to the above technical means, the brake is installed in the accommodating cavity in the shell, and the brake can be started or stopped under the driving action of the transmission shaft in the accommodating cavity to perform brake emission particulate matter test. The shell can effectively isolate the brake and the pollutants (particulate matter) generated during the braking process from the external environment, reduce the interference of external factors (such as air flow, other pollution sources, etc.) on the brake emission particulate matter detection, and improve the accuracy and reliability of the detection data. The flow guide cover in the application can also prevent the particulate matter or harmful gas generated during the braking test from being directly discharged into the surrounding environment of the operator, protecting the health and safety of the operator. At the same time, the flexible double cover body structure is used to flexibly open or close the mounting port, which facilitates quick disassembly and replacement of the brake when needed, and also facilitates cleaning and maintenance of the inside of the flow guide cover, improves the test efficiency and convenience, and has high adaptability and practicality.

[0010] Further, the shell is provided with an air inlet and an air outlet, and the air inlet and the air outlet are symmetrically arranged on both sides of the brake.

[0011] According to the above technical means, the air inlet and the air outlet are arranged on the shell and communicate with the accommodating cavity, and are symmetrically distributed on both sides of the brake, so that the smooth circulation of the airflow in the accommodating cavity is ensured. When the brake is in action, air can enter the accommodating cavity from the air inlet to provide airflow for the braking test process, and then be discharged through the air outlet to guide the particulate matter generated during the braking process to the detection device or the collection system, thereby improving the collection efficiency of the particulate matter and further improving the accuracy and integrity of the particulate matter detection. At the same time, the heat dissipation effect and internal pressure balance during the action of the brake are also ensured, and the safety of the test process is further enhanced.

[0012] Further, the accommodating cavity comprises an installation cavity and two flow guide cavities, the two flow guide cavities respectively communicate with the installation cavity and are symmetrically arranged on both sides of the installation cavity, the brake is installed in the installation cavity through the transmission shaft, and the air inlet and the air outlet respectively communicate with one of the flow guide cavities.

[0013] According to the above technical means, the accommodating cavity is subdivided into the mounting cavity and two symmetrical flow guide cavities, the brake is arranged in the mounting cavity, and the air inlet and the air outlet are connected with the flow guide cavities respectively, the air flow path is optimized, the air entering the accommodating cavity can flow around the brake more uniformly, the particulate matter can be efficiently captured and guided to the detection or collection system during braking, the accuracy and integrity of particulate matter detection are improved, the heat dissipation effect of the brake is enhanced, the stability of the pressure in the accommodating cavity is ensured, and therefore the reliability and safety of the brake performance test are comprehensively improved.

[0014] Further, the cross-sectional areas of the two flow guide cavities gradually decrease in the direction away from the mounting cavity.

[0015] According to the above technical means, by gradually reducing the cross-sectional area of the flow guide cavity, the air flow in the flow guide cavity can be guided and accelerated, the carrying and capturing capacity of the particulate matter in the air flow is improved, the accuracy, efficiency and integrity of the particulate matter detection are further ensured, the dynamic effect of the air flow is enhanced, the absorption and dissipation efficiency of the heat around the brake is improved, unnecessary energy loss is reduced on the basis of maintaining the stability of the pressure in the accommodating cavity, and the whole brake performance test system is more efficient and energy-saving.

[0016] Further, arc-shaped flow guide surfaces are formed on the two opposite inner walls of the mounting cavity.

[0017] According to the above technical means, the arc-shaped flow guide surfaces on the inner walls of the mounting cavity optimize the air flow distribution in the accommodating cavity, the air flow can be smoothly transitioned when flowing through the brake, the generation of vortex and turbulent flow is reduced, the heat dissipation efficiency and air flow stability are improved, the carrying path of the pollutant particles is optimized, the accuracy of the pollutant detection is enhanced, the vibration and noise of the brake during operation are reduced, and the overall performance of the system is improved.

[0018] Further, a limiting groove communicating with the mounting port is formed on one side wall of the mounting cavity, one end of the transmission shaft is connected with the brake, and the other end penetrates through the limiting groove and is connected with an external power source.

[0019] According to the above technical means, the limiting groove on the side wall of the mounting cavity not only provides stable guidance and precise positioning for the transmission shaft, avoids performance degradation or fault risk caused by transmission shaft deviation or misplacement, but also ensures reliable connection of the transmission shaft with the brake and the external power source, and facilitates installation.

[0020] Further, a guide rail is further included, the guide rail is installed on one side wall of the housing, sliding blocks are installed on the two cover bodies respectively, and the two sliding blocks are slidingly installed on the guide rail respectively.

[0021] According to the above technical means, the combination of the guide rail and the sliding block enables the two cover bodies to stably and smoothly slide on the shell to open or close, which not only improves the convenience and accuracy of operation, but also enhances the overall structural stability of the fairing.

[0022] Further, the guide strip is installed on the other side wall of the shell and arranged in parallel with the guide rail, and the two cover bodies are formed with guide grooves, which are respectively slidably connected to the guide strip.

[0023] According to the above technical means, the guide strip cooperates with the guide groove to effectively enhance the stability and guidance of the cover body sliding, ensure that the cover body can maintain accurate positioning and smooth movement during opening or closing, avoid deviation or shaking, and improve the overall structural strength of the fairing.

[0024] Further, the filter screen is installed in the accommodating cavity and located between the brake and the air inlet, and the filter screen is used for filtering the gas entering from the outside.

[0025] According to the above technical means, the filter screen is installed between the brake and the air inlet to filter and purify the gas entering the accommodating cavity from the outside, successfully blocks the potential damage of dust, particulate matter and other impurities to the brake and internal parts, ensures the efficient and stable operation of the brake in a clean environment, and improves the accuracy and reliability of the brake performance test.

[0026] Further, the opposite surfaces of the two cover bodies are respectively formed with arc-shaped grooves, and the two arc-shaped grooves are configured to form a through hole matched with the outer wall of the transmission shaft when the two cover bodies are close to each other to close the mounting port.

[0027] According to the above technical means, the arc-shaped grooves on the opposite surfaces of the two cover bodies ensure that a through hole matched with the outer wall of the transmission shaft can be accurately formed when the cover bodies are closed, which not only avoids the performance decline or risk of failure caused by the shaking or misplacement of the transmission shaft, but also enhances the overall sealing performance of the fairing, and provides a more reliable and efficient operating environment for the brake.

[0028] The beneficial effects realized by the utility model are as follows:

[0029] 1. The utility model discloses a brake is installed in the accommodation cavity of casing, and the brake can start or stop under the transmission of transmission shaft in the accommodation cavity, to carry out brake discharge particulate matter test, and the casing can effectively isolate the brake and the pollutant (particulate matter) generated in the braking process from the outside environment, reduce the interference of external factors (such as air flow, other pollution sources etc.) to brake emission particulate matter detection, improve the accuracy and reliability of detection data, and the fairing in the application can also prevent the particulate matter or harmful gas generated in the braking test process from being directly discharged into the surrounding environment of the operator, and protect the health and safety of the operator.

[0030] 2. The utility model discloses a flexible opening or closing installation port of double cover body structure, convenient for the quick disassembly replacement of brake when needed, also convenient for cleaning and maintaining the inside of fairing, improve test efficiency and convenience, and high adaptability and practicality. ACCURACY

[0031] Figure 1 It is the structure diagram of the position of the casing of the utility model and brake and transmission shaft;

[0032] Figure 2 It is the structure diagram of the two cover bodies of the utility model close;

[0033] Figure 3 It is the structure diagram of the two cover bodies of the utility model away;

[0034] Figure 4 It is the sectional view of the utility model whole;

[0035] Figure 5 It is the structure diagram of the guide groove and guide strip of the utility model.

[0036] Among them, 1-brake;11-transmission shaft;2-casing;21-accommodation cavity;211-installation cavity;212-lead flow cavity;2111-arc flow surface;2112-limit slot;22-installation port;23-air inlet;24-air outlet;3-cover;31-guide groove;32-arc recess;4-guide rail;5-sliding block;6-guide strip;7-filter screen.

[0037] The drawings are only for example illustration, and can not be understood as the limitation of the patent;In order to better illustrate the embodiment, some components of the drawings can be omitted, enlarged or reduced, and do not represent the size of actual product;For those skilled in the art, some well-known structures in the drawings and their description can be omitted, which is understandable;Same or similar signs correspond to same or similar components;The use of language in the drawings to describe the positional relationship is only for example illustration, and can not be understood as the limitation of the patent. DETAILED DESCRIPTION

[0038] It should be noted that the embodiments and technical features in the present application can be combined with each other without conflict, and the detailed description in the specific embodiments should be understood as an explanation of the purpose of the present application, and should not be regarded as an improper limitation on the present application.

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the specific technical solutions of the present application will be further described in detail below in combination with the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0040] In the embodiments of the present application, the terms "first", "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0041] In the embodiments of the present application, unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, "connection" can be fixed connection, or detachable connection, or integral; can be directly connected, or indirectly connected through intermediate medium.

[0042] In the embodiments of the present application, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitation, the element limited by the sentence "including a" does not exclude the existence of other same elements in the process, method, article or device including the element.

[0043] In the embodiments of the present application, the words such as "exemplary" or "for example" are used to represent as an example, illustration or description. Any embodiment or design scheme described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as more preferred or more advantageous than other embodiments or design schemes. Rather, the words such as "exemplary" or "for example" are intended to present the relevant concept in a specific manner.

[0044] The technical solutions of the present application will be described in detail below in combination with specific drawings.

[0045] The present embodiment relates to a brake brake pollutant detection fairing, such as Figure 1 and Figure 2As shown, the brake 1 is connected with a transmission shaft 11, the transmission shaft 11 is connected with an external power source, the power source is used to drive the transmission shaft 11 to rotate, so as to drive the brake 1 to start or stop, characterized in that the fairing comprises: a shell 2, the shell 2 is formed with a containing cavity 21, the brake 1 is installed in the containing cavity 21 through the transmission shaft 11; the shell 2 is formed with a mounting port 22, the mounting port 22 is communicated with the containing cavity 21, and the movable cover of the mounting port 22 is provided with two cover bodies 3, the two cover bodies 3 are oppositely arranged and configured to be capable of moving away from or close to each other to open or close the mounting port 22.

[0046] In actual application, the two cover bodies 3 move away from each other to open the mounting port 22, the brake 1 is installed in the containing cavity 21 through the transmission shaft 11, the two cover bodies 3 move close to each other to close the mounting port 22, so that the brake 1 is in a closed working environment, and then the external power source drives the transmission shaft 11 to drive the brake 1 to start or stop, so as to carry out brake emission particulate matter test, so that the fairing can not only effectively isolate the brake 1 and the particulate matter generated in the braking process from the external environment, reduce the interference of external factors (such as air flow, other pollution sources, etc.) on brake emission particulate matter detection, improve the accuracy and reliability of detection data, but also prevent the particulate matter or harmful gas generated in the brake test process from being directly discharged into the surrounding environment of the operator, protect the health and safety of the operator, and the two cover bodies 3 are used to flexibly open or close the mounting port 22, so as to facilitate rapid disassembly, replacement and maintenance of the brake 1 during the test process, improve test efficiency and convenience, and facilitate cleaning and maintenance of the inside of the fairing, improve test accuracy, adaptability and practicality.

[0047] In the embodiment, the shell 2 is formed with an air inlet 23 and an air outlet 24, the air inlet 23 and the air outlet 24 are communicated with the containing cavity 21 and symmetrically arranged on both sides of the brake 1.

[0048] As shown, Figure 1 Specifically, the air inlet 23 and the air outlet 24 are arranged on the shell 2 and communicated with the containing cavity 21, and symmetrically arranged on both sides of the brake 1, so as to ensure smooth circulation of airflow in the containing cavity 21, in actual work, the air inlet 23 is communicated with a wind supply system, the air outlet 24 is communicated with a particulate matter detection device or a collection system, when the brake 1 operates, the wind supply system blows air into the containing cavity 21 from the air inlet 23 to provide airflow for the brake test process, and then discharges the airflow through the air outlet 24 to guide the particulate matter generated in the braking process to the particulate matter detection device or the collection system, so as to improve the collection efficiency of the particulate matter and further improve the accuracy and integrity of the particulate matter detection, and also ensure the heat dissipation effect and internal pressure balance when the brake 1 operates, further enhance the safety of the test process.

[0049] In the embodiment, the accommodating cavity 21 comprises a mounting cavity 211 and two flow guide cavities 212, the two flow guide cavities 212 are respectively connected with the mounting cavity 211 and symmetrically arranged on two sides of the mounting cavity 211, the brake 1 is mounted in the mounting cavity 211 through the transmission shaft 11, and the air inlet 23 and the air outlet 24 are respectively connected with one of the flow guide cavities 212.

[0050] As shown in Figure 4 , specifically, in the embodiment, the accommodating cavity 21 is subdivided into the mounting cavity 211 and the two symmetric flow guide cavities 212, the brake 1 is arranged in the mounting cavity 211, and the air inlet 23 and the air outlet 24 are respectively connected with one of the flow guide cavities 212, so that the air flow path is optimized. In actual application, as a preferred embodiment, the cross-sectional areas of the two flow guide cavities 212 gradually decrease in directions away from the mounting cavity 211. Through the gradually reduced cross-sectional areas of the flow guide cavities 212, the air flow in the flow guide cavities 212 can be guided and accelerated. Further, as a preferred embodiment, arc-shaped flow guide surfaces 2111 are respectively formed on two opposite inner walls of the mounting cavity 211. The arc-shaped flow guide surfaces optimize the air flow distribution in the accommodating cavity 21, so that the air flow can be more smoothly transitioned when flowing through the brake 1, and the air entering the accommodating cavity 21 can more evenly flow around the brake 1. This not only ensures that particulate matters can be efficiently captured and guided to a particulate matter detection or collection system during braking, thereby improving the accuracy and integrity of particulate matter detection, but also enhances the heat dissipation effect of the brake 1, ensures the stability of the pressure in the accommodating cavity 21, reduces the vibration and noise of the brake 1 during operation, and improves the overall reliability and safety.

[0051] In the embodiment, a limiting groove 2112 in communication with the mounting port 22 is formed on one side wall of the mounting cavity 211, one end of the transmission shaft 11 is connected with the brake 1, and the other end passes through the limiting groove 2112 and is connected with an external power source.

[0052] As shown in Figure 1 , Figure 3 and Figure 4 , the limiting groove 2112 on the side wall of the mounting cavity 211 is designed in the embodiment. During specific installation, the limiting groove 2112 not only provides stable guidance and precise positioning for the transmission shaft 11, avoids performance degradation or risk of failure caused by deviation or misplacement of the transmission shaft 11, but also ensures reliable connection of the transmission shaft 11 with the brake 1 and the external power source, thereby achieving convenient installation.

[0053] In the embodiment, a guide rail 4 is further included, the guide rail 4 is mounted on one side wall of the shell 2, and two sliding blocks 5 are mounted on the two cover bodies 3 respectively, and the two sliding blocks 5 are respectively slidingly installed on the guide rail 4.

[0054] As shown in Figure 2 and Figure 3As shown, the two cover bodies 3 can stably and smoothly slide on the shell 2 to open or close the mounting port 22 through the combination of the guide rail 4 and the sliding block 5, which not only improves the convenience and accuracy of operation, but also enhances the overall structural stability of the fairing.

[0055] In the embodiment, a guide strip 6 is further included, which is installed on the other side wall of the shell 2 and arranged in parallel with the guide rail 4. The two cover bodies 3 are both formed with a guide groove 31, and the two guide grooves 31 are respectively slidably connected to the guide strip 6.

[0056] As shown, Figure 5 the guide strip 6 cooperates with the guide groove 31 to effectively enhance the stability and directivity of the sliding of the cover body 3, so as to ensure that the cover body 3 can keep accurate positioning and smooth movement during the process of opening or closing the mounting port 22, and avoid the conditions of deviation or shaking, and at the same time, improve the overall structural strength of the fairing.

[0057] In the embodiment, a filter screen 7 is further included, which is installed in the accommodating cavity 21 and located between the brake 1 and the air inlet 23. The filter screen 7 is used for filtering the air entering from the outside.

[0058] As shown, Figure 4 the filter screen 7 is installed between the brake 1 and the air inlet 23 to filter and purify the air entering the accommodating cavity 21 from the outside, block the potential damage of dust, particulate matter and other external impurities to the brake 1 and internal parts, and ensure the efficient and stable operation of the brake 1 in a clean environment, while improving the accuracy and reliability of the braking performance test.

[0059] In the embodiment, arc-shaped grooves 32 are respectively formed on the opposite surfaces of the two cover bodies 3, and the two arc-shaped grooves 32 are configured to form a through hole matched with the outer wall of the transmission shaft 11 when the two cover bodies 3 are close to each other to close the mounting port 22.

[0060] As shown, Figure 2 the arc-shaped grooves 32 on the opposite surfaces of the two cover bodies 3 ensure that a through hole matched with the outer wall of the transmission shaft 11 can be accurately formed when the cover body 3 is closed, which not only avoids the performance decline or risk of failure caused by the shaking or misplacement of the transmission shaft 11, but also enhances the overall sealing of the fairing, and provides a more reliable and efficient operating environment for the brake 1.

[0061] The serial numbers of the above embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments. The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent flow conversion, or direct or indirect application in other related technical fields based on the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A brake contaminant detection guide shroud, wherein the brake (1) is connected to a drive shaft (11), the drive shaft (11) is connected to an external power source, the power source being used to drive the drive shaft (11) to rotate, thereby driving the brake (1) to start or stop, characterized in that, The flow deflector includes: The housing (2) has a cavity (21) formed inside it, and the brake (1) is installed in the cavity (21) via a drive shaft (11); An installation port (22) is formed on the housing (2), the installation port (22) is connected to the accommodating cavity (21), and two covers (3) are movably covered on the installation port (22). The two covers (3) are arranged opposite to each other and are configured to move away from or close to each other to open or close the installation port (22).

2. The brake contaminant detection guide shroud according to claim 1, characterized in that, An air inlet (23) and an air outlet (24) are formed on the housing (2). The air inlet (23) and the air outlet (24) are both connected to the accommodating cavity (21) and are symmetrically arranged on both sides of the brake (1).

3. The brake contaminant detection guide shroud according to claim 2, characterized in that, The accommodating cavity (21) includes an installation cavity (211) and two flow guiding cavities (212). The two flow guiding cavities (212) are respectively connected to the installation cavity (211) and are symmetrically arranged on both sides of the installation cavity (211). The brake (1) is installed in the installation cavity (211) through a transmission shaft (11). The air inlet (23) and the air outlet (24) are respectively connected to one of the flow guiding cavities (212).

4. The brake contaminant detection guide cover according to claim 3, characterized in that, The cross-sectional areas of the two flow guiding cavities (212) gradually decrease in the direction away from the mounting cavity (211).

5. The brake contaminant detection guide shroud according to claim 3, characterized in that, Arc-shaped guide surfaces (2111) are formed on the two opposite inner walls of the mounting cavity (211).

6. The brake contaminant detection guide shroud according to claim 3, characterized in that, A limiting groove (2112) communicating with the mounting port (22) is formed on one side wall of the mounting cavity (211). One end of the drive shaft (11) is connected to the brake (1), and the other end passes through the limiting groove (2112) and is connected to an external power source.

7. The brake contaminant detection guide cover according to claim 1, characterized in that, It also includes a guide rail (4), which is installed on one side wall of the housing (2), and two sliders (5) are installed on the two covers (3), and the two sliders (5) are slidably installed on the guide rail (4).

8. The brake contaminant detection guide shroud according to claim 7, characterized in that, It also includes a guide bar (6), which is installed on the other side wall of the housing (2) and is arranged parallel to the guide rail (4). Both covers (3) have guide grooves (31) formed on them, and the two guide grooves (31) are slidably engaged with the guide bar (6).

9. The brake contaminant detection guide cover according to claim 1, characterized in that, It also includes a filter (7), which is installed in the accommodating cavity (21) and located between the brake (1) and the air inlet (23). The filter (7) is used to filter the gas entering from the outside.

10. The brake contaminant detection guide shroud according to claim 1, characterized in that, Arc-shaped grooves (32) are formed on the opposite surfaces of the two covers (3). The two arc-shaped grooves (32) are configured such that when the two covers (3) are brought close to each other to close the mounting opening (22), the two arc-shaped grooves (32) can form through holes that fit the outer wall of the drive shaft (11).

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