CN106193681B - It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward - Google Patents

It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward Download PDF

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Publication number
CN106193681B
CN106193681B CN201610653551.7A CN201610653551A CN106193681B CN 106193681 B CN106193681 B CN 106193681B CN 201610653551 A CN201610653551 A CN 201610653551A CN 106193681 B CN106193681 B CN 106193681B
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CN
China
Prior art keywords
operating room
tail gas
soundproof
glass layer
vacuum glass
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CN201610653551.7A
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Chinese (zh)
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CN106193681A (en
Inventor
王建
周兵
李冬
曾勇
黄洪
董彪
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成都弥荣科技发展有限公司
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Priority to CN201610653551.7A priority Critical patent/CN106193681B/en
Publication of CN106193681A publication Critical patent/CN106193681A/en
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Publication of CN106193681B publication Critical patent/CN106193681B/en

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02Buildings or groups of buildings for industrial purposes, e.g. for power-plants, factories
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls

Abstract

The invention discloses a kind of noise reductions for automobile rotary drum test to remove tail gas isolation ward, and the operating room including being internally provided with drum dynamometer, the operating room includes the automatically-controlled door of two faces;The wall of the operating room is soundproof wall, and the soundproof wall includes the perlite abatvoix, vacuum glass layer, cement sawdust acoustic board set gradually from inside to outside;Mineral wool is filled between the perlite abatvoix and vacuum glass layer, fills mineral wool between the vacuum glass layer and cement sawdust acoustic board;Temperature-adjusting device, centrifugal blower, filter device, ternary catalyzing unit, the air inlet face drum dynamometer of the centrifugal blower are additionally provided in the operating room, the exhaust pipe of centrifugal blower is sequentially communicated to filter device, ternary catalyzing unit.The present invention generates loud noise pollution and tail gas pollution during existing drum test to solve the problems, such as in workshop, realizes the purpose reduced to noise pollution and tail gas pollution in workshop.

Description

It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward
Technical field
The present invention relates to motor vehicle detecting field, a kind of noise reduction for automobile rotary drum test is concretely related to except tail Gas isolation ward.
Background technique
Automobile brake perfrmance is the important indicator and essential items for inspection of vehicle operational safety technical conditions, is directly related to road Traffic safety.In the traffic accident that automobile occurs, as braking system technical failure and caused by specific gravity shared by accident be It is very big.Therefore, standard GB/T 7258-2004 " motor vehicle safe and technical specification ", GB18565-2001 " commercial vehicle Comprehensive performance requires and the method for inspection ", " automobile maintenance industry entry conditions part 1: automobile is whole by GB/T16739.1-2004 Vehicle maintenance company " etc. standard requirements forced examination is carried out to the braking ability of automobile.GB7258 predetermined brake service check is available Road test or platform examination are examined.Platform examination is widely used in actually detected automobile brake perfrmance to examine.Wherein, the drum dynamometer of automobile It is exactly a kind of common platform examination inspection equipment.Drum dynamometer is for vehicle when manufactory is offline to front-wheel drive, rear wheel drive Or four-wheel drive car carries out the special equipment that dynamic drives test, parameter setting test and electric control gear test.Drum test The vehicle range that platform is applicable in includes simulating not in the environment of similar road situation from car, offroad vehicle to pickup truck Same dynamic driving situation.Drum dynamometer can be realized at the uniform velocity with the test under driving conditions different under speed change state.? Speed, driving force and the brake force that accurately measure generates during test, quilt and be transmitted to the control system of testing stand into Row evaluation.But, since drum dynamometer setting needs to carry out various hairs in factory floor, when automobile is tested on it The test of motivation revolving speed and braking can generate loud noise in workshop, even can also generate in the workshop of certain spaciousnesses Very big echo seriously affects other ongoing work in workshop, while impacting to the sense of hearing of worker.Meanwhile machine When motor-car carries out kinetic measurement test in workshop, due to needing the dynamic braking of not stop and start, a large amount of tail gas pollutions can be also generated, are arranged Tail gas out is constantly accumulated in workshop, can also pollute the air in entire workshop, and the air quality and environment influenced in workshop is defended It is raw, influence the health of worker in workshop.
Summary of the invention
The purpose of the present invention is to provide a kind of noise reductions for automobile rotary drum test to remove tail gas isolation ward, existing to solve Drum test during is led to the problem of in workshop loud noise pollution with tail gas pollution, realize reduction to making an uproar in workshop The purpose of sound pollution and tail gas pollution.
The present invention is achieved through the following technical solutions:
It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward, the work including being internally provided with drum dynamometer Room, the operating room include the automatically-controlled door of two faces;The wall of the operating room is soundproof wall, and the soundproof wall includes by interior Perlite abatvoix, vacuum glass layer, the cement sawdust acoustic board set gradually outward;The perlite abatvoix and vacuum glass Mineral wool is filled between glass layer, fills mineral wool between the vacuum glass layer and cement sawdust acoustic board;In the operating room It is additionally provided with temperature-adjusting device, centrifugal blower, filter device, ternary catalyzing unit, the air inlet face of the centrifugal blower turns Drum testing stand, the exhaust pipe of centrifugal blower are sequentially communicated to filter device, ternary catalyzing unit.
Loud noise pollution and tail gas pollution, this hair are led to the problem of in workshop during existing drum test It is bright to propose that a kind of noise reduction for automobile rotary drum test removes tail gas isolation ward.The work that the present invention is arranged dedicated for drum test Operating room is arranged in either inside for room, and by drum test region and workshop, other regions are separated.Operating room's setting There are two automatically-controlled doors, are right against the opposite two sides in operating room respectively, pass in and out operating room in the same direction for automobile, avoid trying It needs to move backward after the completion of testing and sail out of in operating room.
The wall of the operating room is soundproof wall, and soundproof wall is layer structure, including perlite abatvoix, vacuum glass Layer, cement sawdust acoustic board, wherein perlite abatvoix is located at most inner side, and existing perlite abatvoix noise reduction coefficient is 0.85 Left and right is good in noise medium-high frequency section sound absorbing performance.Soundproof wall outermost is cement sawdust acoustic board, and cement sawdust acoustic board removes Have outside good soundproof effect, also have the characteristics that intensity height, it is resistance to collide with, long service life, be disposed at soundproof wall Outermost, can effectively avoid other work in plant building from improving service life the collsion damage of soundproof wall, it is ensured that outer It sees good always.Vacuum glass layer is provided between perlite abatvoix and cement sawdust acoustic board, vacuum glass is two Film support is sandwiched among sheet glass, merges two sheet glass completely, and be among two sheet glass Vacuum, sound can not conduct under vacuum state, and it constitutes manufactured acoustic bridge and can ignore that and disregards, therefore vacuum glass layer With excellent sound insulation value, the soundproof effect of soundproof wall can be effectively improved.In addition, the perlite abatvoix and vacuum glass Mineral wool is filled between glass layer, between vacuum glass layer and cement sawdust acoustic board, using the damping effect of mineral wool into one Step weakens acoustic wave energy, to pass through the common work of perlite abatvoix, vacuum glass layer, cement sawdust acoustic board, mineral wool With, so that the soundproof wall has excellent sound-absorbing soundproof effect, greatly weaken the acoustic wave energy being transferred to outside operating room, It reduces to the noise pollution in workshop.In addition, being additionally provided with temperature-adjusting device in the operating room.Due to mineral wool, vacuum Glassy layer also has certain thermal-insulation function while completely cutting off noise, and motor vehicle can be produced when inside working chamber is tested Heat amount, therefore will lead to inside working chamber temperature and constantly increase, it even can be more than the operating temperature of drum dynamometer when serious Range, therefore temperature-adjusting device is arranged in the present invention in operating room, to adjust the indoor temperature of work in time, to solve The problem of work room temperature constantly increases.Aiming at the problem that tail gas pollution in drum test, the present invention is set in inside working chamber It is equipped with centrifugal blower, by the air inlet face drum dynamometer of centrifugal blower, convenient for directly extracting the vapour generated during test Tail gas.It is that extracted tail gas passes through first to filter device, ternary catalyzing unit that the exhaust pipe of centrifugal blower, which is sequentially communicated, Filter device is crossed, solid particulate matter therein is filtered out, is handled later using ternary catalyzing unit.Ternary catalyzing unit can incite somebody to action The pernicious gases such as carbon monoxide, hydrocarbon and the nitrogen oxides of vehicle exhaust discharge are changed into nothing by redox Harmful carbon dioxide, water and nitrogen reduces vehicle exhaust to worker in workshop to reduce air pollution brought by tail gas Harm.
Preferably, the temperature-adjusting device is air-conditioning.
Preferably, the earplug box being suspended on soundproof wall is provided on the outside of the operating room.Since motor vehicle needs to drive Member drives and is tested, therefore in the indoor driver of work still inevitably by noise pollution.Therefore setting earplug box is used In placing earplug, easily taken before entering operating room convenient for driver.
Preferably, the filter device is HEPA high efficiency particulate air.HEPA high efficiency particulate air belongs to internationally recognized efficient Filter device, full name High efficiency particulate air Filter, it is for 0.3 micron or more of solid Effectively removing rate and capable of reaching 99.7% for grain object, can filter out one of the major pollutants in vehicle exhaust PM2.5, thus Vehicle exhaust can be greatly reduced to the air pollution in drum test workplace.
Compared with prior art, the present invention having the following advantages and benefits:
1, a kind of noise reduction for automobile rotary drum test removes tail gas isolation ward, the work including being internally provided with drum dynamometer Make room, the wall of operating room is soundproof wall, and soundproof wall includes perlite abatvoix, the vacuum glass set gradually from inside to outside Layer, cement sawdust acoustic board, and between perlite abatvoix and vacuum glass layer, vacuum glass layer and cement sawdust acoustic board Between fill mineral wool, by the collective effect of perlite abatvoix, vacuum glass layer, cement sawdust acoustic board, mineral wool, So that the soundproof wall has excellent sound-absorbing soundproof effect, greatly weaken the acoustic wave energy being transferred to outside operating room, drop The low noise pollution in workshop;
2, a kind of noise reduction for automobile rotary drum test removes tail gas isolation ward, and inside working chamber is provided with centrifugal blower, It is that extracted tail gas first passes around filter device, solid particulate matter therein is filtered out, later using ternary catalyzing unit The pernicious gases such as carbon monoxide, hydrocarbon and nitrogen oxides are handled.To reduce the dirt of air brought by tail gas Dye reduces harm of the vehicle exhaust to worker in workshop.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention;
Fig. 2 is the sectional view of soundproof wall in the specific embodiment of the invention;
Fig. 3 is the connection relationship diagram of centrifugal blower in the specific embodiment of the invention.
Wherein: the operating room 1-, 2- drum dynamometer, 3- automatically-controlled door, 4- soundproof wall, 41- perlite abatvoix, 42- vacuum Glassy layer, 43- cement sawdust acoustic board, 5- temperature-adjusting device, 6- centrifugal blower, 7- mineral wool, 8- filter device, 9- ternary Catalyst converter, 10- earplug box.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made For limitation of the invention.
Embodiment 1:
A kind of noise reduction for automobile rotary drum test as shown in Figure 1 to Figure 3 removes tail gas isolation ward, wherein dotted line in Fig. 1 It indicates to be in 1 interior section of operating room, wherein filter device 8, ternary catalyzing unit 9 are connected to 6 rear portion of centrifugal blower not in Fig. 1 It is indicated.Operating room 1 including being internally provided with drum dynamometer 2, the operating room 1 include the automatically-controlled door 3 of two faces; The wall of the operating room 1 is soundproof wall 4, and the soundproof wall 4 includes the perlite abatvoix 41 set gradually from inside to outside, true Empty glassy layer 42, cement sawdust acoustic board 43;Mineral wool 7 is filled between the perlite abatvoix 41 and vacuum glass layer 42, Mineral wool 7 is filled between the vacuum glass layer 42 and cement sawdust acoustic board 43;Temperature tune is additionally provided in the operating room 1 Regulating device 5, centrifugal blower 6, filter device 8, ternary catalyzing unit 9, the air inlet face drum dynamometer 2 of the centrifugal blower 6, The exhaust pipe of centrifugal blower 6 is sequentially communicated to filter device 8, ternary catalyzing unit 9;The temperature-adjusting device 5 is air-conditioning;Institute State the earplug box 10 for being provided with and being suspended on soundproof wall 4 on the outside of operating room 1;The filter device 8 be HEPA high efficiency particulate air its In, perlite abatvoix 41, vacuum glass layer 42, cement sawdust acoustic board 43 thickness be 5cm.
The wall of the operating room 1 is soundproof wall 4, and soundproof wall 4 includes perlite abatvoix 41, vacuum glass layer 42, water Mud sawdust acoustic board 43, wherein perlite abatvoix 41 is located at most inner side.4 outermost of soundproof wall is cement sawdust acoustic board 43, It is disposed at the outermost of soundproof wall 4, can effectively avoid other work in plant building to the collsion damage of soundproof wall 4, It improves service life, it is ensured that appearance is good always.It is provided between perlite abatvoix 41 and cement sawdust acoustic board 43 true Empty glassy layer 42.In addition, between the perlite abatvoix 41 and vacuum glass layer 42, vacuum glass layer 42 and cement sawdust inhale Mineral wool 7 is filled between sound plate 43, the damping effect using mineral wool 7 further weakens acoustic wave energy, to pass through pearl The collective effect of rock abatvoix 41, vacuum glass layer 42, cement sawdust acoustic board 43, mineral wool 7, so that the soundproof wall 4 has There is excellent sound-absorbing soundproof effect, greatly weaken the acoustic wave energy being transferred to outside operating room 1, reduces to the noise in workshop Pollution.In addition, being additionally provided with temperature-adjusting device in the operating room 1.Since mineral wool 7, vacuum glass layer 42 are made an uproar in isolation Also there is certain thermal-insulation function, and when motor vehicle is tested inside operating room 1 can generate heat, therefore meeting while sound Cause 1 internal temperature of operating room constantly to increase, even can be more than the operating temperature range of drum dynamometer 2 when serious, therefore this Temperature-adjusting device is arranged in operating room 1 in invention, to adjust the temperature in operating room 1 in time, to solve in operating room 1 The problem of temperature constantly increases.In addition, the exhaust pipe of centrifugal blower 6 is sequentially communicated to filter device 8, ternary catalyzing unit 9, i.e., It is that extracted tail gas first passes around filter device 8, solid particulate matter therein is filtered out, later using ternary catalyzing unit 9 It is handled.The pernicious gases such as carbon monoxide, hydrocarbon and the nitrogen oxides that vehicle exhaust can be discharged for ternary catalyzing unit 9 It is changed into harmless carbon dioxide, water and nitrogen by redox, to reduce air pollution brought by tail gas, drops Harm of the low vehicle exhaust to worker in workshop.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (2)

1. a kind of noise reduction for automobile rotary drum test removes tail gas isolation ward, it is characterised in that: including being internally provided with rotary drum examination The operating room (1) of platform (2) is tested, the operating room (1) includes the automatically-controlled door (3) of two faces;The wall of the operating room (1) is Soundproof wall (4), the soundproof wall (4) include the perlite abatvoix (41) set gradually from inside to outside, vacuum glass layer (42), Cement sawdust acoustic board (43);Mineral wool (7) are filled between the perlite abatvoix (41) and vacuum glass layer (42), it is described Mineral wool (7) are filled between vacuum glass layer (42) and cement sawdust acoustic board (43);Temperature is additionally provided in the operating room (1) Regulating device (5), centrifugal blower (6), filter device (8), ternary catalyzing unit (9) are spent, the air inlet of the centrifugal blower (6) is just To drum dynamometer (2), the exhaust pipe of centrifugal blower (6) is sequentially communicated to filter device (8), ternary catalyzing unit (9);It is described Temperature-adjusting device (5) is air-conditioning;The earplug box (10) being suspended on soundproof wall (4) is provided on the outside of the operating room (1).
2. a kind of noise reduction for automobile rotary drum test according to claim 1 removes tail gas isolation ward, it is characterised in that: institute Stating filter device (8) is HEPA high efficiency particulate air.
CN201610653551.7A 2016-08-11 2016-08-11 It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward CN106193681B (en)

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CN201610653551.7A CN106193681B (en) 2016-08-11 2016-08-11 It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward

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CN201610653551.7A CN106193681B (en) 2016-08-11 2016-08-11 It is a kind of for automobile rotary drum test noise reduction remove tail gas isolation ward

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CN106193681B true CN106193681B (en) 2019-03-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107939093A (en) * 2017-11-17 2018-04-20 芜湖戎征达伺服驱动技术有限公司 The noise reduction closing room of robot punch line

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN202578056U (en) * 2012-03-20 2012-12-05 广州恒净净化科技有限公司 Purification sound-proof chamber
CN103572862A (en) * 2013-11-25 2014-02-12 国家电网公司 Environment-friendly partition for electric power station
JP2014141821A (en) * 2013-01-24 2014-08-07 Daiwa House Industry Co Ltd Soundproof room
CN205382625U (en) * 2016-01-28 2016-07-13 信阳农林学院 Syllable -dividing wallboard for building
CN205935802U (en) * 2016-08-11 2017-02-08 成都弥荣科技发展有限公司 Eco -friendly car drum test workplace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202578056U (en) * 2012-03-20 2012-12-05 广州恒净净化科技有限公司 Purification sound-proof chamber
JP2014141821A (en) * 2013-01-24 2014-08-07 Daiwa House Industry Co Ltd Soundproof room
CN103572862A (en) * 2013-11-25 2014-02-12 国家电网公司 Environment-friendly partition for electric power station
CN205382625U (en) * 2016-01-28 2016-07-13 信阳农林学院 Syllable -dividing wallboard for building
CN205935802U (en) * 2016-08-11 2017-02-08 成都弥荣科技发展有限公司 Eco -friendly car drum test workplace

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