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Preparation method of dcpd composite material cover plate for vehicle air conditioner

A technology for composite materials and vehicle air conditioners, applied in the direction of coating, etc., can solve the problems of easy damage of FRP, high density of FRP, unfavorable energy saving and environmental protection, etc., and achieve the effect of light and durable materials, energy saving and load reduction

Active Publication Date: 2019-01-08
HUNAN VAQOUNG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Based on these advantages, FRP is now the first choice for the cover and base of automobile air conditioners to replace the previous metal cover and metal base. Often installed on the top of the car, FRP is easy to break, and the density of FRP is relatively high. Taking a 45-seat bus as an example, the weight of the cover and base of the vehicle air conditioner is about 120-150Kg, plus With the compressor installed, the total weight of the entire air-conditioning system is basically above 300Kg, and some even reach about 400Kg, with a load of up to three or four hundred kilograms, which virtually increases the energy consumption of the car, which is not conducive to energy conservation and environmental protection.
In addition, FRP is used to manufacture the cover plate and base of the vehicle air conditioner. Since the cover plate and the base are irregularly shaped parts, it is necessary to manually add a layer of base material, a layer of reinforcing fiber, and a layer of base material. , a layer of reinforcing fiber, so that it is repeatedly coated, and finally the FRP part body of the desired shape is obtained, and then it needs to be exposed to the sun for 4 to 6 hours, or baked in an oven at 100°C for 2 to 4 hours, This kind of FRP material is inefficient in the manufacture of the cover and base of the car air conditioner. The cover and base of a car air conditioner basically takes more than 4 hours, the production efficiency is low, and most of the work is done by manpower ,high cost

Method used

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  • Preparation method of dcpd composite material cover plate for vehicle air conditioner
  • Preparation method of dcpd composite material cover plate for vehicle air conditioner
  • Preparation method of dcpd composite material cover plate for vehicle air conditioner

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The weight ratio of raw materials for vehicle air conditioner cover composite materials is as follows:

[0033] Material A

DCPD 94%

Tungsten hexachloride 6%

Material B

DCPD 92%

Triethylaluminum 8%

[0034] Preparation of vehicle air conditioner cover plate:

[0035] (1) Mix the components in material A evenly under nitrogen atmosphere; mix the components of material B evenly under nitrogen atmosphere; keep the temperature of material A and material B at 20±2°C;

[0036] (2) Material A and material B are metered into the mixing chamber through a high-pressure pump, wherein material A and material B enter the mixing chamber according to the ratio of mass ratio A:B=1:1;

[0037] (3) Materials A and B enter the mixing chamber and mix for 3 seconds;

[0038] (4) Then the mixture is filled into the mold cavity of the molding die to form;

[0039] (5) Demoulding after molding.

Embodiment 2

[0041] The weight ratio of raw materials for vehicle air conditioner cover composite materials is as follows:

[0042] Material A

DCPD 95%

Tungsten hexachloride 4%

Alkene stabilizer 1%

Material B

DCPD 93%

Triethylaluminum 6%

Benzophenone 1%

[0043] Preparation of vehicle air conditioner cover plate:

[0044] (1) Mix the components in material A evenly under an argon atmosphere; mix the components of material B evenly under an argon atmosphere; keep the temperature of material A and material B at 20±2°C;

[0045] (2) Material A and material B are metered into the mixing chamber through a high-pressure pump, wherein material A and material B enter the mixing chamber according to the ratio of mass ratio A:B=1:1;

[0046] (3) Materials A and B enter the mixing chamber and mix for 4 seconds;

[0047] (4) Then the mixture is filled into the mold cavity of the molding die to form;

[0048] (5) Demoulding after molding.

Embodiment 3

[0050] The weight ratio of raw materials for vehicle air conditioner cover composite materials is as follows:

[0051] Material A

DCPD 94%

Tungsten hexachloride 5.6%

Oxygen stabilizer 0.2%

Glass fiber 0.2%

Material B

DCPD 92%

Triethylaluminum 7.4%

Benzophenone 0.6%

[0052] Preparation of vehicle air conditioner cover plate:

[0053] First mix A and B materials according to the mass ratio, control the material temperature to 20±2°C, control the flow rate of A and B materials to A:B=1:1, and the mixing time is 5±2 seconds, then fill the mold, and the female mold The mold temperature is 70±3°C, the male mold temperature is 50±3°C, the injection pressure is 50±5bar when filling the mold, the filling time is 10±2 seconds, and the mold is released after 25 seconds of curing and setting. If the part has flash, further modify the part.

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Abstract

The invention relates to vehicle air conditioner accessories, in particular to a preparing method of vehicle air conditioner DCPD composite cover plates. The method comprises following steps: firstly, components in a material A are evenly mixed under the protection atmosphere, components in a material B are evenly mixed under the protection atmosphere, and the temperature of the material A and the temperature of the material B are kept ranging from 15 DEG C to 25 DEG C; secondly, the material A and the material B are metered through a high-pressure pump and fed into a mixing chamber, and the material A and the material B enter the mixing chamber according to the proportion of the mass ratio of A:B being 0.5-1.5; thirdly, the material A and the material B enter the mixing chamber to be mixed for two seconds to five seconds; fourthly, a mold cavity of a forming mold is filled with the mixed material for molding; fifthly, after molding, mold releasing is carried out. The prepared vehicle air conditioner DCPD composite cover plates have excellent properties of heat resistance, acid-base resistance, friction resistance and the like and have the good insulation, the method can be applied to manufacturing of the vehicle air conditioner cover plates including automotive air conditioner cover plates, train air conditioner cover plates, subway air conditioner cover plates and the like.

Description

technical field [0001] The invention relates to an accessory of an air conditioner for a vehicle, in particular to a method for preparing a DCPD composite material cover plate for an air conditioner for a vehicle. Background technique [0002] At present, the cover plates of vehicle air conditioners on the market are made of glass fiber reinforced plastics. The scientific name of FRP is glass fiber reinforced plastic, commonly known as FRP (Fiber Reinforced Plastics), that is, fiber reinforced composite plastic. Fiber-reinforced composites are composed of reinforcing fibers and a matrix. According to the fiber used, it is divided into glass fiber reinforced composite plastic (GFRP), carbon fiber reinforced composite plastic (CFRP), boron fiber reinforced composite plastic, etc. It is a composite material with glass fiber and its products (glass cloth, tape, felt, yarn, etc.) as reinforcing material and synthetic resin as a matrix material. The diameter of the fiber (or wh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/00B29C45/78B29C45/17
CPCB29C45/0001B29C45/0005B29C45/17B29C45/78B29C2045/1784B29C2945/76531
Inventor 罗岳华
Owner HUNAN VAQOUNG ELECTRIC