Air conditioner air duct material for automobile and preparation method of air conditioner air duct material

Abstract

The invention discloses an air conditioner air duct material for an automobile and a preparation method of the air conditioner air duct material. The air duct material mainly comprises a first non-woven fabric layer and a second non-woven fabric layer, the second non-woven fabric layer is attached to the first non-woven fabric layer; the oxygen-enriched ion layer is attached to the second non-woven fabric layer; the third non-woven fabric layer is attached to the oxygen-enriched ion layer; the needle-punched cloth layer is attached to the third non-woven fabric layer; wherein wrinkles are arranged on the surface of one side of the second non-woven fabric layer. The inner wall smoothness can be improved, noise is reduced, and meanwhile the negative oxygen ions and the purification function are provided.

Description

Technical Field

[0001] The invention relates to the technical field of automobile accessories, and in particular to an air-conditioning duct material for automobiles and a preparation method thereof. Background Art

[0002] The automobile air-conditioning duct is one of the weighty accessories of automobile interior, and is usually formed in one piece with plastic material. Such materials have the problem of heavy weight. In the prior application with patent number CN217455598U, a non-woven needle-punched cotton automobile air duct is disclosed, including an upper wall of the non-woven needle-punched cotton air duct, a lower wall of the non-woven needle-punched cotton air duct and a supporting air guide. The supporting air guide includes a connecting frame and a guide plate. The guide plate is connected to the bottom of the connecting frame. The lower edge of the upper wall of the non-woven needle-punched cotton air duct is butt-connected with the upper edge of the lower wall of the non-woven needle-punched cotton air duct to form the automobile air duct body. The two ends of the automobile air duct body are respectively the first air outlet and the second air outlet. Connection positions connected to the supporting air guide are respectively provided on the upper wall of the non-woven needle-punched cotton air duct and the lower wall of the non-woven needle-punched cotton air duct. The supporting air guide is connected to the upper wall of the non-woven needle-punched cotton air duct and the lower wall of the non-woven needle-punched cotton air duct through the connection position. It uses non-woven needle-punched cotton material, which reduces weight and noise, but it still cannot meet the ever-changing usage needs and there is room for improvement. Summary of the invention

[0003] The present invention aims to avoid the deficiencies of the prior art and provides an air-conditioning duct material for automobiles and a preparation method thereof.

[0004] The present invention solves the technical problem by adopting the following technical solution: an air duct material for automobile air conditioning, comprising:

[0005] a first nonwoven fabric layer;

[0006] a second nonwoven fabric layer attached to the first nonwoven fabric layer;

[0007] an oxygen ion-rich layer attached to the second nonwoven fabric layer;

[0008] a third nonwoven fabric layer attached to the oxygen ion-rich layer;

[0009] a needle-punched fabric layer laminated on the third nonwoven fabric layer;

[0010] Wherein, one side surface of the second non-woven fabric layer has wrinkles.

[0011] In several embodiments, the first non-woven fabric layer is a PES non-woven fabric, and the thickness of the first non-woven fabric layer is 0.5-2 mm.

[0012] In several embodiments, the second non-woven fabric layer is HDPE non-woven fabric, and the thickness of the second non-woven fabric layer is 0.5-2 mm.

[0013] In several embodiments, the negative oxygen ion layer is negative oxygen ion polyurethane, and the thickness of the negative oxygen ion layer is 0.5-1.5 mm.

[0014] In several embodiments, the third non-woven fabric layer is PES bamboo charcoal non-woven fabric, and the thickness of the third non-woven fabric layer is 0.5-2 mm.

[0015] In several embodiments, the needle-punched fabric layer is a PES needle-punched nonwoven fabric, and the thickness of the needle-punched fabric layer is 2-4 mm.

[0016] In several embodiments, the oxygen ion rich layer is punctured with a plurality of micropores.

[0017] And, the preparation method of the above-mentioned air conditioning duct material for automobiles comprises the following steps:

[0018] S10, forming a first non-woven fabric layer, a second non-woven fabric layer and a third non-woven fabric layer by meltblowing or hydroentanglement, and forming a needle-punched fabric layer by needle-punching;

[0019] S20, coating the negative oxygen ion polyurethane on the second non-woven fabric layer to obtain a first base fabric, and puncturing the first base fabric to obtain a plurality of micropores;

[0020] S30, bonding the third non-woven fabric layer to the needle-punched fabric layer to obtain a second base fabric;

[0021] S40, combining the first base fabric and the second base fabric by needle punching to obtain a third base fabric;

[0022] S50, hot-pressing the first non-woven fabric layer and the third base fabric to obtain a finished product.

[0023] In several embodiments, the negative oxygen ion polyurethane is coated on a wrinkled side of the second non-woven fabric layer.

[0024] The beneficial effects of the present invention are:

[0025] The present invention uses PES non-woven fabric to make the inner wall of the air duct smooth, and no lint will be generated after the air conditioner is operated; HDPE non-woven fabric is used to achieve shaping, and the strength and surface area are improved by the pleated surface; the negative oxygen ion polyurethane layer allows air to pass through the air duct, and the microporous structure is used to increase the oxygen-rich ion content in the air; PES bamboo charcoal non-woven fabric can absorb harmful substances in the air and reduce odor in the car; PES needle-punched non-woven fabric can achieve heat preservation and sound absorption functions and reduce wind noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0027] Figure 1 The cross-sectional structure of the air conditioning duct material for automobiles in this embodiment is schematically shown. DETAILED DESCRIPTION

[0028] Below, embodiments of the present invention are described in detail with reference to the accompanying drawings. To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in conjunction with the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. All other embodiments obtained by ordinary technicians in the field based on the embodiments of the present invention without making any creative work are within the scope of protection of the present invention.

[0030] like Figure 1 As shown, the air conditioning duct material for automobiles is mainly composed of a first non-woven fabric layer 10, a second non-woven fabric layer 20 bonded to the first non-woven fabric layer 10, an oxygen-rich ion layer 30 bonded to the second non-woven fabric layer 20, a third non-woven fabric layer 40 bonded to the oxygen-rich ion layer 30, and a needle-punched fabric layer 50 bonded to the third non-woven fabric layer 40.

[0031] Among them, the first non-woven fabric layer 10 is PES non-woven fabric, and the thickness of the first non-woven fabric layer 10 is 0.5-2mm, the second non-woven fabric layer 20 is HDPE non-woven fabric, and the thickness of the second non-woven fabric layer 20 is 0.5-2mm, the negative oxygen ion layer is negative oxygen ion polyurethane, and the thickness of the negative oxygen ion layer is 0.5-1.5mm, the third non-woven fabric layer 40 is PES bamboo charcoal non-woven fabric, and the thickness of the third non-woven fabric layer 40 is 0.5-2mm, and the needle-punched fabric layer 50 is PES needle-punched non-woven fabric, and the thickness of the needle-punched fabric layer 50 is 2-4mm.

[0032] Among them, one side surface of the second non-woven fabric layer 20 has wrinkles 21, that is, one side surface portion is convex, and at the same time, the oxygen-rich ion layer 30 is punctured with multiple micropores with a diameter of about 0.1 mm, which are evenly distributed on the oxygen-rich ion layer 30, and the micropores also pass through the second non-woven fabric layer 20.

[0033] Example 1

[0034] The air conditioning duct material for automobiles in this embodiment includes a first non-woven fabric layer 10, a second non-woven fabric layer 20, an oxygen-rich ion layer 30, a third non-woven fabric layer 40 and a needle-punched fabric layer 50 which are arranged in sequence. The thickness of the first non-woven fabric layer 10 is 0.5 mm, the thickness of the second non-woven fabric layer 20 is 0.5 mm, the thickness of the negative oxygen ion layer is 0.5 mm, the thickness of the third non-woven fabric layer 40 is 0.5 mm, and the thickness of the needle-punched fabric layer 50 is 2 mm.

[0035] Example 2

[0036] The air conditioning duct material for automobiles in this embodiment includes a first non-woven fabric layer 10, a second non-woven fabric layer 20, an oxygen-rich ion layer 30, a third non-woven fabric layer 40 and a needle-punched fabric layer 50 which are arranged in sequence. The thickness of the first non-woven fabric layer 10 is 1 mm, the thickness of the second non-woven fabric layer 20 is 1 mm, the thickness of the negative oxygen ion layer is 1 mm, the thickness of the third non-woven fabric layer 40 is 1 mm, and the thickness of the needle-punched fabric layer 50 is 3 mm.

[0037] Example 3

[0038] The air conditioning duct material for automobiles in this embodiment includes a first non-woven fabric layer 10, a second non-woven fabric layer 20, an oxygen-rich ion layer 30, a third non-woven fabric layer 40 and a needle-punched fabric layer 50 which are arranged in sequence. The thickness of the first non-woven fabric layer 10 is 2 mm, the thickness of the second non-woven fabric layer 20 is 2 mm, the thickness of the negative oxygen ion layer is 1.5 mm, the thickness of the third non-woven fabric layer 40 is 0 mm, and the thickness of the needle-punched fabric layer 50 is 1 mm.

[0039] Example 4

[0040] The method for preparing the air duct material for automobile air conditioning in this embodiment comprises the following steps:

[0041] S10, forming the first non-woven fabric layer 10, the second non-woven fabric layer 20 and the third non-woven fabric layer 40 by meltblowing or hydroentanglement, generating bulges on one side of the second non-woven fabric layer 20 to form a folded portion, and forming a needle-punched fabric layer 50 by needle-punching.

[0042] S20, coating the negative oxygen ion polyurethane on the second non-woven fabric layer 20 to obtain a first base fabric, and puncturing the first base fabric to obtain a plurality of micropores, and the negative oxygen ion polyurethane is coated on a side of the second non-woven fabric layer 20 having wrinkles 21.

[0043] S30, bonding the third nonwoven fabric layer 40 and the needle-punched fabric layer 50 to obtain a second base fabric.

[0044] S40, combining the first base fabric and the second base fabric by needle punching to obtain a third base fabric.

[0045] S50, hot-pressing the first non-woven fabric layer 10 and the third base fabric to obtain a finished product.

[0046] All the methods described herein can be performed in any suitable order. Any and all examples used, or exemplary language (such as "for example") provided herein are merely to better illustrate the present invention and are not intended to limit the scope of the present invention, unless the claims are included. The language in the detailed description should not be construed as indicating any essential factors for practicing the present invention that are not claimed.

[0047] The present invention describes preferred embodiments, including the best mode of carrying out the invention known to the inventors. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that the skilled artisan may use such variations as appropriate, and the inventors indicate that the present invention may be implemented in other ways than those specifically described herein. Therefore, the present invention includes all modifications encompassed by the spirit and scope of the invention as defined by the claims. Furthermore, unless otherwise stated or clearly contradictory in context, the present invention includes any of the above-described factors and all possible variations thereof.

Claims

1. An air duct material for automobile air conditioning, characterized in that: include: A first nonwoven fabric layer (10); a second non-woven fabric layer (20) laminated on the first non-woven fabric layer (10); an oxygen ion-rich layer (30) bonded to the second non-woven fabric layer (20); a third non-woven fabric layer (40) bonded to the oxygen ion-rich layer (30); a needle-punched fabric layer (50) laminated on the third non-woven fabric layer (40); Wherein, one side surface of the second non-woven fabric layer (20) has wrinkles (21).

2. The air duct material for automobile air conditioning according to claim 1, characterized in that: The first non-woven fabric layer (10) is a PES non-woven fabric, and the thickness of the first non-woven fabric layer (10) is 0.5-2 mm.

3. The air duct material for automobile air conditioning according to claim 1, characterized in that: The second non-woven fabric layer (20) is HDPE non-woven fabric, and the thickness of the second non-woven fabric layer (20) is 0.5-2 mm.

4. The air duct material for automobile air conditioning according to claim 1, characterized in that: The negative oxygen ion layer is negative oxygen ion polyurethane, and the thickness of the negative oxygen ion layer is 0.5-1.5 mm.

5. The air duct material for automobile air conditioning according to claim 1, characterized in that: The third non-woven fabric layer (40) is PES bamboo charcoal non-woven fabric, and the thickness of the third non-woven fabric layer (40) is 0.5-2 mm.

6. The air duct material for automobile air conditioning according to claim 1, characterized in that: The needle-punched fabric layer (50) is a PES needle-punched non-woven fabric, and the thickness of the needle-punched fabric layer (50) is 2-4 mm.

7. The air duct material for automobile air conditioning according to claim 1, characterized in that: The oxygen-rich ion layer (30) is punctured with a plurality of micropores.

8. A method for preparing an air duct material for an automobile air conditioner, characterized in that: The following steps are involved: S10, forming a first non-woven fabric layer (10), a second non-woven fabric layer (20) and a third non-woven fabric layer (40) by melt-blowing or hydroentanglement, and forming a needle-punched fabric layer (50) by needle-punching; S20, coating the negative oxygen ion polyurethane on the second non-woven fabric layer (20) to obtain a first base fabric, and puncturing the first base fabric to obtain a plurality of micropores; S30, bonding the third non-woven fabric layer (40) and the needle-punched fabric layer (50) to obtain a second base fabric; S40, combining the first base fabric and the second base fabric by needle punching to obtain a third base fabric; S50, hot-pressing the first non-woven fabric layer (10) and the third base fabric to obtain a finished product.

9. The air duct material for automobile air conditioning according to claim 8, characterized in that: The negative oxygen ion polyurethane is coated on a side of the second non-woven fabric layer (20) having wrinkles (21).

Images