CN213332855U

CN213332855U - Cooling hose of hydrogen fuel cell reactor

Info

Publication number: CN213332855U
Application number: CN202021935638.1U
Authority: CN
Inventors: 黄传新; 王秀芬; 郑军领
Original assignee: ZHEJIANG IRON HORSE TECHNOLOGY CO LTD
Current assignee: ZHEJIANG IRON HORSE TECHNOLOGY CO LTD
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-01
Anticipated expiration: 2030-09-07

Abstract

The utility model provides a hydrogen fuel cell reactor cooling hose, including platinum vulcanized silicone rubber inlayer, parcel protective layer, the parcel of platinum vulcanized silicone rubber inlayer the high strength silicon rubber of protective layer is outer. The inner layer of the platinum vulcanized silicone rubber is obtained by carrying out platinum vulcanization treatment on the silicone tube, and the silicone rubber subjected to platinum vulcanization treatment has the advantage of difficult aging, so that no absorption product is generated within a certain period, and the cleanliness of cooling liquid in the cooling hose is ensured. Meanwhile, the silicon rubber subjected to platinum vulcanization has the advantages of high temperature resistance, permeation resistance and high cleanness, and the conductivity of the silicon rubber can reach the standard of the hydrogen fuel cell. The protective layer is used for protecting the cooling software and improving the anti-explosion performance of the cooling hose. The high-strength silicone rubber outer layer has the advantage of higher strength, so that the cooling hose is not easy to damage when in use.

Description

Cooling hose of hydrogen fuel cell reactor

Technical Field

The present invention relates to hydrogen fuel cell accessories, and more particularly, to a cooling hose for a hydrogen fuel cell reactor.

Background

With the gradual improvement of the environmental protection requirement, the environmental protection of the automobile is also improved, and the energy conservation and emission reduction become the future development trend of the automobile. Therefore, compared with the fuel locomotive, the new energy automobile tends to be great. The hydrogen fuel cell is a power core component of a new energy automobile, and the cooling hose is one of important components of a reactor cooling system in the hydrogen fuel cell.

At present, the existing cooling hose is generally made of ethylene propylene diene monomer, and the cleanliness of cooling liquid is influenced by an absorption product when the cooling hose is used for a long time. And once the aspirates enter the reactor of the hydrogen fuel cell, the proton exchange membrane in the reactor can be damaged, so that the reactor of the hydrogen fuel cell can be out of work.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a cooling hose for a hydrogen fuel cell reactor, which can effectively reduce the generation of the absorbed matter and ensure the advantage of the cleanliness of the cooling liquid.

In order to solve the technical problem, the technical scheme of the utility model is that: a cooling hose of a hydrogen fuel cell reactor comprises a platinum vulcanized silicone rubber inner layer, a protective layer wrapping the platinum vulcanized silicone rubber inner layer, and a high-strength silicone rubber outer layer wrapping the protective layer.

According to the technical scheme, the inner layer of the platinum vulcanized silicone rubber is obtained by performing platinum vulcanization on the silicone tube, the silicone rubber subjected to platinum vulcanization has the advantage of low possibility of ageing, no absorption product can be generated within a certain period, and the cleanliness of the cooling liquid in the cooling hose is ensured. Meanwhile, the silicon rubber subjected to platinum vulcanization has the advantages of high temperature resistance, permeation resistance and high cleanness, and the conductivity of the silicon rubber can reach the standard of the hydrogen fuel cell. The protective layer is used for protecting the cooling software and improving the anti-explosion performance of the cooling hose. The high-strength silicone rubber outer layer has the advantage of higher strength, so that the cooling hose is not easy to damage when in use.

Preferably, the protective layer comprises aramid fiber warp-knitted cloth and a first silicon rubber substrate wrapping the aramid fiber warp-knitted cloth, a first positioning column is arranged on the inner wall of the first silicon rubber substrate, and the first positioning column penetrates through a hole of the aramid fiber warp-knitted cloth.

Through above-mentioned technical scheme, the aramid fiber warp knitting cloth that forms is woven by aramid fiber has high impact resistance, high wearability, high resistant chemical matter nature, and the characteristics of high thermal degradation resistance can carry out comparatively effectual protection to this cooling hose, promotes cooling hose's anti-blasting performance. The first silicon rubber matrix is used for improving the strength of the aramid fiber warp-knitted fabric, so that the aramid fiber warp-knitted fabric is not easy to deform. The first positioning column is inserted into the empty hole of the aramid fiber warp-knitted cloth and used for positioning the aramid fiber warp-knitted cloth, so that the aramid fiber warp-knitted cloth is more stably connected with the first silicon rubber substrate.

Preferably, a plurality of limiting bulges are arranged on the side wall of the first positioning column in a protruding mode and used for hooking the aramid fiber warp-knitted cloth.

Through above-mentioned technical scheme, a plurality of spacing archs of setting on reference column one can collude aramid fiber warp knitting cloth for be connected between aramid fiber warp knitting cloth and the silicon rubber base member one and become more stable.

Preferably, the end part of the first positioning column connected to the first silicon rubber substrate is a connecting end, the limiting protrusion is arranged in an inclined manner, and the distance between the limiting protrusion and the first positioning column is gradually increased towards one side of the connecting end.

Through above-mentioned technical scheme, the aramid fiber warp knitting cloth can be hung in the more effectual hook of spacing arch that the slope set up for the aramid fiber warp knitting cloth becomes inseparabler with being connected between the silicon rubber base member one, and is more stable. Simultaneously, the spacing arch that the slope set up can also restrict aramid fiber warp and spread all over with silicon rubber base member alternate segregation, further promotes the stability of being connected between aramid fiber warp-knitted cloth and the silicon rubber base member.

Preferably, the width of the limiting protrusion is gradually reduced towards one side far away from the first positioning column.

Through above-mentioned technical scheme, spacing bellied width reduces to the one side of keeping away from reference column one gradually, so spacing arch can comparatively conveniently insert in aramid fiber warp-knitted cloth and carry on spacingly to aramid fiber warp-knitted cloth, can improve the stability of being connected between aramid fiber warp-knitted cloth and the silicon rubber base member one to a certain extent.

Preferably, the protective layer comprises polyester fiber cloth and a second silicon rubber substrate wrapping the polyester fiber cloth, a second positioning column is arranged on the inner wall of the second silicon rubber substrate, and the second positioning column penetrates through a hole of the polyester fiber cloth.

Through above-mentioned technical scheme, the polyester fiber cloth that is worked out by polyester fiber has intensity height, and the resilience is good, and the shape preserving nature is good, and the wearability is strong, and advantage that resistant chemical corrosion nature is high can carry out comparatively effectual protection to the cooling hose, promotes the anti blasting performance of cooling hose. The second silicon rubber matrix is used for further improving the shape retention of the polyester fiber cloth, so that the polyester fiber cloth is not easy to wrinkle. The second positioning column is inserted into the hollow hole of the polyester fiber cloth and used for positioning the polyester fiber cloth, so that the connection between the polyester limiting cloth and the second silicon rubber substrate is more stable.

Preferably, a hook is arranged on the side wall of the second positioning column and used for hooking the polyester fiber cloth.

Through the technical scheme, the hook arranged on the side wall of the positioning column can hook the polyester fiber cloth, so that relative movement between the polyester fiber cloth and the second silicon rubber base body is not easy to generate, and the connection between the polyester fiber cloth and the second silicon rubber base body is more stable.

Preferably, the second positioning column is connected to the end part of the second silicon rubber base body, and the hook is bent towards one side of the fixed end.

Through the technical scheme, the hook bent towards one side of the fixed end can limit the separation of the polyester fiber cloth and the second silicon rubber base body, so that the polyester fiber cloth and the second silicon rubber base body are connected more tightly.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a partial cross-sectional view of the first embodiment;

fig. 3 is a partial sectional view of the second embodiment.

Reference numerals: 1. an inner layer of platinum vulcanized silicone rubber; 2. a protective layer; 211. aramid fiber warp-knitted cloth; 212. a first silicon rubber substrate; 221. polyester fiber cloth; 222. a second silicon rubber substrate; 3. a high strength silicone rubber outer layer; 4. a first positioning column; 41. a connecting end; 5. a limiting bulge; 6. a second positioning column; 61. a fixed end; 7. and (4) hanging hooks.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

The first embodiment is as follows:

a cooling hose of a hydrogen fuel cell reactor is shown in figure 1 and comprises a platinum vulcanized silicone rubber inner layer 1, a protective layer 2 and a high-strength silicone rubber outer layer 3 which are arranged from inside to outside in sequence.

The platinum vulcanized silicone rubber inner layer 1 is formed by vulcanizing silicone rubber with platinum. The platinum vulcanized silicone rubber has the advantage of difficult aging, so that no absorption product is generated in a certain period, and the cleanliness of the cooling liquid in the cooling hose is ensured.

As shown in fig. 1 and 2, the protective layer 2 includes a first silicon rubber substrate 212 and an aramid warp-knitted fabric 211 disposed inside the first silicon rubber substrate 212. The inner wall of the first silicon rubber substrate 212 is provided with a plurality of positioning columns I4 in a staggered mode, the positioning columns I4 are perpendicular to the inner wall of the first silicon rubber substrate 212, and the positioning columns I4 penetrate through holes of the aramid warp-knitted fabric 211 and are used for limiting the aramid warp-knitted fabric 211. The end part of the positioning column I4 connected with the silicon rubber substrate I212 is a connecting end 41. The side wall of the first positioning column 4 is provided with a limiting protrusion 5, and the limiting protrusion 5 and the first positioning column 4 are integrally formed. Spacing arch 5 is the slope setting, and spacing between spacing arch 5 and the reference column 4 reduces gradually to one side of link 41. The width of spacing arch 5 reduces to the one side of keeping away from reference column 4 gradually, so spacing arch 5 can comparatively conveniently insert to aramid fiber warp knitting cloth 211 in for carry out further spacingly to aramid fiber warp knitting cloth 211.

As shown in figure 1, the high-strength silicone rubber outer layer 3 can be reinforced Silbeione silicone rubber of Rodiya organosilicon company, and has the advantages of easy demoulding, good transparency, high average tearing strength of 30-50%, small compression deformation, good elasticity, no need of post-vulcanization and the like.

Example two:

the difference between the second embodiment and the first embodiment is that, as shown in fig. 3, the protective layer 2 includes a second silicone rubber substrate 222 and a polyester cloth 221 disposed in the second silicone rubber substrate 222. The inner part of the second silicon rubber base body 222 is provided with a plurality of second positioning columns 6 in a staggered mode, the second positioning columns 6 are perpendicular to the inner wall of the second silicon rubber base body 222, and the second positioning columns 6 penetrate through the holes of the polyester fiber cloth 221 to limit the polyester fiber cloth 221. The end part of the positioning column II 6 connected with the silicon rubber substrate II 222 is a fixed end 61. The hook 7 is arranged on the side wall of the second positioning column 6, and the hook 7 is bent towards one side of the fixed end 61 to hook the polyester fiber cloth 221 so as to limit the relative movement between the polyester fiber cloth 221 and the second silicon rubber substrate 222.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A cooling hose for a hydrogen fuel cell reactor, characterized in that: the high-strength silicon rubber composite material comprises a platinum vulcanized silicon rubber inner layer (1), a protective layer (2) wrapping the platinum vulcanized silicon rubber inner layer (1), and a high-strength silicon rubber outer layer (3) wrapping the protective layer (2).

2. A hydrogen fuel cell reactor cooling hose according to claim 1, wherein: the protective layer (2) comprises aramid fiber warp-knitted cloth (211) and a first silicon rubber substrate (212) covering the aramid fiber warp-knitted cloth (211), a first positioning column (4) is arranged on the inner wall of the first silicon rubber substrate (212), and the first positioning column (4) penetrates through a hole of the aramid fiber warp-knitted cloth (211).

3. A hydrogen fuel cell reactor cooling hose according to claim 2, wherein: the side wall of the first positioning column (4) is provided with a plurality of limiting protrusions (5) in a protruding mode, and the limiting protrusions (5) are used for hooking the aramid fiber warp-knitted cloth (211).

4. A hydrogen fuel cell reactor cooling hose according to claim 3, wherein: the end part of the first positioning column (4) connected with the first silicon rubber base body (212) is a connecting end (41), the limiting protrusions (5) are obliquely arranged, and the distance between the limiting protrusions (5) and the first positioning column (4) is gradually increased towards one side of the connecting end (41).

5. A hydrogen fuel cell reactor cooling hose according to claim 3, wherein: the width of the limiting protrusion (5) is gradually reduced towards one side far away from the positioning column I (4).

6. A hydrogen fuel cell reactor cooling hose according to claim 1, wherein: the protective layer (2) comprises polyester fiber cloth (221) and a second silicon rubber substrate (222) wrapping the polyester fiber cloth (221), a second positioning column (6) is arranged on the inner wall of the second silicon rubber substrate (222), and the second positioning column (6) penetrates through a hole of the polyester fiber cloth (221).

7. A hydrogen fuel cell reactor cooling hose according to claim 6, wherein: and a hook (7) is arranged on the side wall of the second positioning column (6), and the hook (7) is used for hooking the polyester fiber cloth (221).

8. A hydrogen fuel cell reactor cooling hose according to claim 7, wherein: the end part of the second silicon rubber base body (222) is a fixed end (61), and the hook (7) is bent towards one side of the fixed end (61).