CN-122014987-A - High-pressure gas storage bottle capable of reducing respiratory effect and having health monitoring function and preparation method

CN122014987ACN 122014987 ACN122014987 ACN 122014987ACN-122014987-A

Abstract

The invention discloses a high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring function and a preparation method thereof, wherein the high-pressure gas cylinder comprises a liner, a pressure-bearing framework, an adhesive layer, a reinforcing layer, an outer protective layer and a health monitoring module; the pressure-bearing framework is arranged in the inner cavity of the inner container and is tightly connected with the inner container; the pressure-bearing framework comprises a supporting ring, an inclined supporting ring and a supporting shaft, an adhesive layer is arranged on the outer surface of the inner container, a reinforcing layer is wrapped on the outer side of the adhesive layer in a winding mode, an outer protective layer is arranged on the outer side of the reinforcing layer, the health monitoring module comprises a micro-deformation sensor, a temperature sensor and a data processor, and the preparation method comprises core mold pretreatment, inner container molding, adhesive layer coating, reinforcing layer winding, demolding and post-treatment. The gas bomb can effectively solve the problems of prominent respiratory effect, unstable interlayer combination, loss of health monitoring, insufficient deformation resistance and the like in the prior art, and improves the use safety and the service life.

Inventors

YUE ZENGZHU
WANG FEIFEI
LI YUAN
HAO JIAOJIAO
LV NA
WANG TINGYUE
YANG LULU
KANG ZIQI

Assignees

北京天海氢能装备有限公司

Dates

Publication Date: 20260512
Application Date: 20260402

Claims (10)

1. The high-pressure gas storage bottle capable of reducing respiratory effect and having health monitoring is characterized by comprising a liner (1), a pressure-bearing framework (2), an adhesive layer (3), a reinforcing layer (4), an outer protective layer (5) and a health monitoring module; The pressure-bearing framework (2) is arranged in the inner cavity of the inner container (1), and the pressure-bearing framework (2) is tightly connected with the inner container (1); The pressure-bearing framework (2) comprises a supporting ring (20), inclined supporting rings (21) and a supporting shaft (22), wherein a plurality of supporting rings (20) and a plurality of inclined supporting rings (21) are fixedly arranged on the supporting shaft (22), and the outer side surfaces of the supporting rings (20) and the inclined supporting rings (21) are attached to the inner wall of the liner (1); The bonding layer (3) is arranged on the outer surface of the liner (1); the reinforcing layer (4) is coated on the outer side of the bonding layer (3) in a winding mode; The outer protective layer (5) is arranged on the outer side of the reinforcing layer (4); The health monitoring module comprises a micro-deformation sensor (6), a temperature sensor (7) and a data processor (8), wherein the micro-deformation sensor (6) is arranged on the outer side of the bonding layer (3) and used for detecting deformation of the enhancement layer (4), the temperature sensor (7) is arranged at the bottleneck of the gas storage bottle and used for detecting the ambient temperature, the data processor (8) is arranged on the outer side of the gas storage bottle and used for processing signals measured by the micro-deformation sensor (6) and the temperature sensor (7), and the data processor (8) is provided with a wireless transmission module which sends an electric signal generated after being processed by the data processor (8) to terminal equipment.
2. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring according to claim 1, wherein an interface roughness is integrally provided on the outer surface of the inner container (1) to improve the adhesion of the adhesive layer (3).
3. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring function according to claim 2, wherein the interface roughness body comprises a plurality of protrusions (9) and depressions (10) which are alternately arranged, and the top surface of the bonding layer (3) is level with the top of the protrusions (9).
4. The high-pressure gas cylinder with reduced respiratory effect and health monitoring according to claim 1 or 3, wherein the inner container (1) is made of thermoplastic resin.
5. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring function according to claim 4, wherein the reinforcing layer (4) is formed by winding fiber filaments after being impregnated with a resin matrix on the surface of the bonding layer (3).
6. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring according to claim 3, wherein the height of the protrusion (9) is 0.1-0.5 mm, and the depth of the recess (10) is 0.1-0.3 mm.
7. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring according to claim 1 or 5, wherein the bonding layer (3) is formed by mixing epoxy resin and a silane coupling agent, and the mass fraction of the silane coupling agent is 3% -8%.
8. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring according to claim 7, wherein the thickness of the enhancement layer (4) is 2-10 mm.
9. The high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring as set forth in claim 5, wherein the thermoplastic resin is one or more of polyamide, polybutylene terephthalate and polycarbonate.
10. The method for preparing the high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring according to any one of claims 1-9 is characterized by comprising the following steps: firstly, preprocessing a core mould, namely selecting a demouldable core mould, splicing a support ring (20) and an inclined support ring (21) with the core mould, and enabling the support ring (20) and the inclined support ring (21) to be flush with the outer surface of the core mould after splicing; Step two, forming the inner container (1), heating thermoplastic resin to a molten state, extruding and forming, coating on the surface of a core mold, and simultaneously forming a bulge (9) and a recess (10) integrally by pressing, and carrying out heat preservation treatment to preliminarily form the inner container (1); Thirdly, coating an adhesive layer (3), spraying the material of the adhesive layer (3) on the outer surface of the liner (1) under high pressure, filling the material into the concave (10) and being flush with the top end of the convex (9), standing and soaking, and sticking a plurality of micro-deformation sensors (6) on the outer side of the adhesive layer (3); Winding the reinforcing layer (4), dipping the fiber yarn into a resin matrix, and winding the fiber yarn on the outer side of the bonding layer (3); Step five, demoulding and post-treatment, removing the core mould, spraying an outer protective layer (5), and installing a temperature sensor (7) and a data processor (8).

Description

High-pressure gas storage bottle capable of reducing respiratory effect and having health monitoring function and preparation method Technical Field The invention relates to the technical field of high-pressure gas cylinders, in particular to a high-pressure gas cylinder capable of reducing respiratory effect and having health monitoring function and a preparation method thereof. Background The high-pressure gas storage bottle is widely applied to key fields such as hydrogen energy storage and transportation, industrial gas supply, emergency respiratory protection, new energy vehicle-mounted gas supply and the like, wherein the composite material high-pressure gas storage bottle has become the main stream development direction due to light weight and high pressure bearing advantages, but the following clear and urgent technical problems to be solved exist in the prior art: The technical problem is that the breathing effect is outstanding, the structural stability is poor, the internal pressure of the existing high-pressure gas storage cylinder periodically and severely changes under the circulating working conditions of repeated inflation and decompression, obvious breathing effect can be generated, the inner liner and the outer layer reinforcing structure frequently undergo expansion deformation, the deformation can directly cause the defects of interface stripping, layered loosening, local swelling and the like of the inner liner and the reinforcing layer after long-term service, the service life of the gas storage cylinder is obviously shortened, the pressure-bearing stability of the gas storage cylinder is reduced, and potential safety hazards exist. The technical problem is that the bonding force between layers is weak, interface failure is easy to occur, the outer surface of the liner of the traditional high-pressure gas storage cylinder is mostly of a smooth and flat structure, the bonding interface between the liner and the bonding layer and the fiber reinforced layer is not of an effective mechanical engagement structure, the bonding force is insufficient, micro gaps are easy to generate between layers in the forming and long-term bearing process, structural damage caused by respiratory effect can be aggravated, local stress concentration can be caused, microcrack initiation and expansion are induced, and the mechanical bearing performance and the air-tight blocking effect of the cylinder body are further reduced. The method has the advantages of strong detection hysteresis, high detection cost, low efficiency, incapability of capturing key service parameters such as bottle shape change, interface damage, environmental temperature mutation and the like in real time, incapability of early warning when hidden faults such as early microcracks, interface layering, overtemperature overload and the like occur in the gas bottle, incapability of early warning, and extremely easiness in causing serious safety accidents such as leakage, bottle explosion and the like. Disclosure of Invention The invention aims to provide a high-pressure gas cylinder capable of reducing respiratory effect and achieving health monitoring and a preparation method thereof, and the gas cylinder solves the technical problems of prominent respiratory effect, poor structural stability, weak interlayer binding force, easy interface failure, lack of in-situ real-time health monitoring and hidden trouble investigation lag of the existing gas cylinder in the prior art. In order to achieve the above purpose, the present invention adopts the following technical scheme: a high-pressure gas storage bottle capable of reducing respiratory effect and having health monitoring function comprises a liner, a pressure-bearing framework, an adhesive layer, a reinforcing layer, an outer protective layer and a health monitoring module; The pressure-bearing framework is arranged in the inner cavity of the inner container and is tightly connected with the inner container; The bearing framework comprises a supporting ring, inclined supporting rings and a supporting shaft, wherein a plurality of supporting rings and a plurality of inclined supporting rings are fixedly arranged on the supporting shaft, and the outer side surfaces of the supporting rings and the inclined supporting rings are attached to the inner wall of the liner; the bonding layer is arranged on the outer surface of the inner container; the reinforcing layer is coated on the outer side of the bonding layer in a winding mode; The outer protective layer is arranged on the outer side of the reinforcing layer; The health monitoring module comprises a micro-deformation sensor, a temperature sensor and a data processor, wherein the micro-deformation sensor is arranged on the outer side of the bonding layer and used for detecting deformation of the enhancement layer, the temperature sensor is arranged at the bottleneck of the gas storage bottle and used for detecting ambient temperature, the data