CN209381527U - A kind of automobile-used lightweight soundproof plate of commercialization - Google Patents
A kind of automobile-used lightweight soundproof plate of commercialization Download PDFInfo
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- CN209381527U CN209381527U CN201821980503.XU CN201821980503U CN209381527U CN 209381527 U CN209381527 U CN 209381527U CN 201821980503 U CN201821980503 U CN 201821980503U CN 209381527 U CN209381527 U CN 209381527U
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- aluminium foil
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- aluminium
- soundproof plate
- automobile
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Abstract
A kind of automobile-used lightweight soundproof plate of commercialization, which is layer structure, including No.1 aluminium foil layer, aluminium silicate wool floor, PP hemp fibre board, No. two aluminium foil layers set gradually by side to the other side.The design not only improves heat-proof quality while not influencing sound insulation value, but also is advantageously implemented lightweight, reduces cost.
Description
Technical field
The utility model belongs to auto parts and components Material Field, and in particular to a kind of automobile-used lightweight soundproof plate of commercialization is fitted
For improving the heat-proof quality of soundproof plate, realizing lightweight.
Background technique
In automotive field, vehicle body soundproof plate is usually used in obstructing engine peripheral part, external to reduce engine
Heat radiation of the noise and barrier engine periphery heat source in portion to dashboard system.Domestic and international commercial vehicle generallys use mineral wool material
The soundproof plate (aluminium foil+mineral wool+aluminium foil) of matter rivets one piece of PP liner plate reinforcement sometimes to increase overall stiffness.Soundproof plate plays
The effect of heat-insulation noise-reduction, PP liner plate reinforce overall stiffness, also function as the effect of longitudinal mud guard sometimes, muddy water is prevented to be splashed to vehicle
On body component.But since soundproof plate ambient temperature is higher, instantaneous limiting temperature reaches 500 DEG C or so, has been more than soundproof plate
Bearing temperature, have the risk for causing PP liner plate or mud guard ablation, even vehicle kindling;And the structure overall weight is big,
Higher cost, furthermore mineral wool has certain harm, non-environmental protection material to human body.
Chinese patent: Authorization Notice No. CN202827398U, the utility model in authorized announcement date on March 27th, 2013 disclose
A kind of improved engine cabin of passenger car bulkhead structure, sound insulation and noise reduction material therein be followed successively by from the inside to the outside band mesh aluminium foil,
Micropore sound-isolating sponge, aperture sound-absorbing sponge, band mesh aluminium foil, although automobile engine bring noise can be effectively reduced in the structure
Vibration, but it is equally unable to high temperature resistant, still remains mud guard the ablation even risk of vehicle kindling.
Summary of the invention
The purpose of the utility model is to overcome the problems that soundproof plate heat-proof quality of the existing technology is poor, provide one kind
Heat-proof quality can be effectively improved and be advantageously implemented the automobile-used lightweight soundproof plate of light-weighted commercialization.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of automobile-used lightweight soundproof plate of commercialization, the soundproof plate are layer structure, including No.1 aluminium foil layer, No. two aluminium foils
Layer;
Aluminium silicate wool floor, PP hemp fibre board, the alumina silicate are additionally provided between the No.1 aluminium foil layer, No. two aluminium foil layers
The side of cotton layer is connected with No.1 aluminium foil layer, and the other side of aluminium silicate wool floor is connected by PP hemp fibre board with No. two aluminium foil layers
It connects.
The melting adhered layer of PE hot pressing is additionally provided between the aluminium silicate wool layer, PP hemp fibre board.
The No.1 aluminium foil layer, No. two aluminium foil layers thickness be 110 μm of 90 ﹣, the aluminium silicate wool layer with a thickness of
2.5 ﹣ 3.5mm, the PP hemp fibre board with a thickness of 4 ﹣ 6mm.
The No.1 aluminium foil layer, No. two aluminium foil layers thickness be 100 μm, the aluminium silicate wool layer with a thickness of 3mm, institute
State PP hemp fibre board with a thickness of 5mm.
Offered on the No.1 aluminium foil layer, No. two aluminium foil layers by multiple diameters be 0.3 ﹣ 0.7mm through-hole arrangement and
At equilateral triangle hole battle array, the pitch of holes of the adjacent through-hole is 4 ﹣ 5mm.
Compared with prior art, the utility model has the following beneficial effects:
1, a kind of automobile-used lightweight soundproof plate of commercialization of the utility model arranges silicon between No.1 aluminium foil layer, No. two aluminium foil layers
Sour aluminum wool layer, PP hemp fibre board, that is, use the structure of " aluminium foil+aluminium silicate wool+PP hemp fibre board+aluminium foil ", which can grow
Phase is resistant to 900 DEG C of high temperature, and compared with the structure of " aluminium foil+mineral wool+aluminium foil+PP liner plate ", heat-proof quality improves 10 DEG C of left sides
The right side, soundproof effect is suitable, and cost reduces 20 yuan/vehicle, and weight reduces 1Kg/ vehicle, meanwhile, aluminium silicate wool is more compared with mineral wool
Environmental protection.Therefore, the utility model not only improves heat-proof quality while not influencing sound insulation value, but also is advantageously implemented light
Quantify, reduce cost, meanwhile, material is more environmentally friendly.
2, it is also set up between aluminium silicate wool layer, PP hemp fibre board in a kind of automobile-used lightweight soundproof plate of commercialization of the utility model
There is the melting adhered layer of PE hot pressing, which is effectively saved using the melting adhered original riveting component technique of substitution of PE hot pressing
Standard component quantity and riveting process cost.Therefore, the utility model further reduces costs.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1, No. two aluminium foil layer 2 of No.1 aluminium foil layer, aluminium silicate wool floor 3, PP hemp fibre board 4, the melting adhered floor of PE hot pressing
5, through-hole 6.
Specific embodiment
The utility model is further described With reference to embodiment.
Referring to Fig. 1, a kind of automobile-used lightweight soundproof plate of commercialization, the soundproof plate is layer structure, including No.1 aluminium foil layer
1, No. two aluminium foil layers 2;
Aluminium silicate wool floor 3, PP hemp fibre board 4, the silicon are additionally provided between 1, No. two aluminium foil layer 2 of the No.1 aluminium foil layer
The side of sour aluminum wool layer 3 is connected with No.1 aluminium foil layer 1, and the other side of aluminium silicate wool floor 3 passes through PP hemp fibre board 4 and No. two aluminium
Layers of foil 2 is connected.
The melting adhered layer 5 of PE hot pressing is additionally provided between the aluminium silicate wool layer 3, PP hemp fibre board 4.
The thickness of 1, No. two aluminium foil layer 2 of No.1 aluminium foil layer is 110 μm of 90 ﹣, the aluminium silicate wool layer 3 with a thickness of
2.5 ﹣ 3.5mm, the PP hemp fibre board 4 with a thickness of 4 ﹣ 6mm.
The thickness of 1, No. two aluminium foil layer 2 of No.1 aluminium foil layer is 100 μm, the aluminium silicate wool layer 3 with a thickness of
3mm, the PP hemp fibre board 4 with a thickness of 5mm.
It offers on 1, No. two aluminium foil layer 2 of the No.1 aluminium foil layer and is arranged by the through-hole 6 that multiple diameters are 0.3 ﹣ 0.7mm
Made of equilateral triangle hole battle array, the pitch of holes of the adjacent through-hole 6 is 4 ﹣ 5mm.
Embodiment 1:
Referring to Fig. 1, a kind of automobile-used lightweight soundproof plate of commercialization, the soundproof plate is layer structure, including by inside to outer
No.1 aluminium foil layer 1 that side is set gradually, aluminium silicate wool floor 3,4, No. two melting adhered floor 5 of PE hot pressing, PP hemp fibre board aluminium foil layers
2, the thickness of 1, No. two aluminium foil layer 2 of No.1 aluminium foil layer is 100 μm, the aluminium silicate wool layer 3 with a thickness of 3mm, it is described
Being offered with a thickness of 5mm, and on 1, No. two aluminium foil layer 2 of No.1 aluminium foil layer by multiple diameters for PP hemp fibre board 4 is 0.5mm's
The battle array of equilateral triangle hole made of through-hole 6 is arranged, the pitch of holes of the adjacent through-hole 6 are 4.5mm.
The properties detection data of above-described embodiment material is as follows:
A, hot test: Q/DFLCT 1022(automotive trim plastic parts high temperature resistant test method is pressed), the 3rd method, A class.
B, thermal cycling test: Q/DFLCM 5802(plastic part thermal cycling test method is pressed), the 2nd method, 3A class is (low
Temperature is by -30 DEG C of progress).
C, Test for anti-chemical performance: Q/DFLCM 5801(plastic part resistant to chemical media test method is pressed), the 3rd method.
D, impact resistance is tested: pressing Q/DFLCT 1023(automobile plastic part falling ball impact test method), VRO-2 (the
2 classes) falling sphere weight: 535g, room temperature height of the fall ball: 200cm, low temperature height of the fall ball: 50cm, after placing 2h under the conditions of -30 DEG C
Taking-up is tested immediately.The abnormal phenomenon such as the flawless, cracking of product.
E, atmospheric exposure test: by the weatherability and light fastness test method of Q/DFLCT 1024(synthetic resin part), the 2nd
Method, 3 classes determine B grades,
F, under entrucking state, the test of this material vibrating: method presses JIS D1601(auto parts vibration testing method),
Vibration condition: 3 classes, appropriate products of classifying: D class.
G, vibration test: frequency 30Hz adds vibration acceleration 3G, 100 Wan Cihou of vibration, nothing is respectively added by upper and lower, front and back sequence
The abnormal phenomenon such as cracking, breakage.
H, low temperature requirements: under component assembly state, being placed in -40 °C of environment lower 4 hours, and there can be no crackings, damaged, deformation
Part normal operating is not influenced Deng exception and.
I, heat insulation test is by Q/DFCVCM 6011(automobile non-metal product and material Heat-Insulation Test method), heat source
290 °C of temperature, T >=200 °C heat-insulated temperature difference △.
J, sound absorption test: GBJ 88(Code for measurement of soundabsorbing coefficient and specific acoustic inpedance of standingwave is pressed), acoustic absorptivity >=
0.15。
Claims (5)
1. a kind of automobile-used lightweight soundproof plate of commercialization, the soundproof plate is layer structure, including No.1 aluminium foil layer (1), No. two aluminium
Layers of foil (2), it is characterised in that:
Aluminium silicate wool layer (3), PP hemp fibre board (4), institute are additionally provided between the No.1 aluminium foil layer (1), outside aluminium foil layer (2)
The side for stating aluminium silicate wool layer (3) is connected with No.1 aluminium foil layer (1), and the other side of aluminium silicate wool layer (3) passes through PP flaxen fiber
Plate (4) is connected with No. two aluminium foil layers (2).
2. the automobile-used lightweight soundproof plate of a kind of commercialization according to claim 1, it is characterised in that: the aluminium silicate wool layer
(3), the melting adhered layer of PE hot pressing (5) is additionally provided between PP hemp fibre board (4).
3. the automobile-used lightweight soundproof plate of a kind of commercialization according to claim 1 or 2, it is characterised in that: the No.1 aluminium foil
Floor (1), No. two aluminium foil layers (2) thickness be 110 μm of 90 ﹣, the aluminium silicate wool layer (3) with a thickness of 2.5 ﹣ 3.5mm, it is described
PP hemp fibre board (4) with a thickness of 4 ﹣ 6mm.
4. the automobile-used lightweight soundproof plate of a kind of commercialization according to claim 3, it is characterised in that: the No.1 aluminium foil layer
(1), the thickness of No. two aluminium foil layers (2) is 100 μm, the aluminium silicate wool layer (3) with a thickness of 3mm, the PP hemp fibre board
(4) with a thickness of 5mm.
5. the automobile-used lightweight soundproof plate of a kind of commercialization according to claim 1 or 2, it is characterised in that: the No.1 aluminium foil
The equilateral triangle as made of through-hole (6) arrangement that multiple diameters are 0.3 ﹣ 0.7mm is offered on floor (1), No. two aluminium foil layers (2)
Kong Zhen, the pitch of holes of the adjacent through-hole (6) are 4 ﹣ 5mm.
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CN201821980503.XU CN209381527U (en) | 2018-11-29 | 2018-11-29 | A kind of automobile-used lightweight soundproof plate of commercialization |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112265584A (en) * | 2020-10-30 | 2021-01-26 | 东风商用车有限公司 | Commercial car front wheel cladding structure |
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2018
- 2018-11-29 CN CN201821980503.XU patent/CN209381527U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112265584A (en) * | 2020-10-30 | 2021-01-26 | 东风商用车有限公司 | Commercial car front wheel cladding structure |
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