CN217153450U

CN217153450U - High-cleanliness cooling water pipe applied to hydrogen fuel cell

Info

Publication number: CN217153450U
Application number: CN202220267789.7U
Authority: CN
Inventors: 傅伟辉; 沈伟鑫; 李鹏
Original assignee: Fujian Xinxianglong Technology Development Co ltd
Current assignee: Fujian Xinxianglong Technology Development Co ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-08-09
Anticipated expiration: 2032-02-10

Abstract

The utility model relates to a condenser tube field especially relates to a be applied to hydrogen fuel cell's high cleanliness condenser tube. The to-be-solved technical problem of the utility model is to provide an intensity that can improve the structure prevents to cause the damage because of external impact force, effectively increases cooling efficiency, promotes the radiating efficiency and the radiating rate to hydrogen fuel cell, has higher cleanliness factor simultaneously, is difficult for receiving the high cleanliness factor cooling water pipe of being applied to hydrogen fuel cell of coolant liquid corruption. A high-cleanliness cooling water pipe applied to a hydrogen fuel cell comprises a cooling pipe, a pipe joint, an outer pipe body, an inner pipe body, a metal braided layer, a heat dissipation material, a protective layer and a sealing ring. The utility model discloses reached the intensity that improves the structure, prevented to cause the damage because of external impact force, effectively increased cooling efficiency, promoted the radiating efficiency and the radiating rate to hydrogen fuel cell, had higher cleanliness factor simultaneously, was difficult for receiving the effect that the coolant liquid corrodes.

Description

High-cleanliness cooling water pipe applied to hydrogen fuel cell

Technical Field

The utility model relates to a condenser tube field especially relates to a be applied to hydrogen fuel cell's high cleanliness condenser tube.

Background

With the innovation and improvement of the technology in recent years, the battery technology has been rapidly developed. The power battery is also gradually developed from the traditional lead storage battery to various advanced green power batteries, wherein the hydrogen fuel battery is taken as an important branch in the form of the power battery, and the hydrogen fuel battery directly converts chemical energy into electric energy to provide power through the reaction of hydrogen and oxygen, and has the advantages of high efficiency and near zero emission, so the hydrogen fuel battery is generally considered to have wide development prospect by various countries in the world.

In order to keep the fuel cell working in a normal temperature range, heat must be discharged from the fuel cell, liquid cooling is the most widely applied cooling technology at present, in the process of utilizing a cooling water pipe to carry out heat dissipation and cooling on the hydrogen fuel cell, how the quality of the cooling pipe determines how the heat dissipation effect is, the traditional cooling water pipe is generally simple in structure and easy to damage, the cooling efficiency is low, and the cleanliness is poor, and impurities are easily corroded by cooling liquid to generate, so that the insulation of the pipeline is influenced. Therefore, it is urgently needed to develop a high-cleanliness cooling water pipe applied to a hydrogen fuel cell, which can improve the structural strength, prevent damage caused by external impact force, effectively increase cooling efficiency, improve the heat dissipation efficiency and the heat dissipation speed of the hydrogen fuel cell, and meanwhile has higher cleanliness and is not easy to be corroded by cooling liquid.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome traditional condenser tube simple structure fragile, cooling efficiency is low, and the cleanliness factor poor corrosion that receives the coolant liquid easily produces impurity to influence the insulating shortcoming of pipeline, the to-be-solved technical problem of the utility model is to provide a can improve the intensity of structure, prevent to cause the damage because of external impact force, effectively increase cooling efficiency, promote the radiating efficiency and the radiating rate to hydrogen fuel cell, have higher cleanliness factor simultaneously, be difficult for receiving the high cleanliness cooling water pipe who is applied to hydrogen fuel cell that the coolant liquid corrodes.

The utility model is achieved by the following concrete technical means:

a high-cleanliness cooling water pipe applied to a hydrogen fuel cell comprises a cooling pipe, a pipe joint, an outer pipe body, an inner pipe body, a metal braided layer, a heat dissipation material, a protective layer and a sealing ring; two pipeline joints are arranged and are respectively and fixedly connected to two ends of the cooling pipe, and one end of each pipeline joint is provided with a connecting threaded hole; the cooling pipe comprises an inner pipe body and an outer pipe body, the inner pipe body is positioned in the outer pipe body, a cavity is arranged between the inner pipe body and the outer pipe body, a metal braid layer and a heat dissipation material are arranged in the cavity, and the metal braid layer is positioned outside the heat dissipation material; the inner wall surface of the inner pipe body is also provided with a protective layer; the bottom of the pipeline joint connecting threaded hole is also provided with a sealing ring.

Further, the surface of the outer wall of the outer tube body is coated with a heat-conducting coating.

Furthermore, the protective layer material arranged on the inner wall surface of the inner pipe is a polytetrafluoroethylene protective layer.

Furthermore, the inner wall surface of the through hole of the pipeline joint fixedly connected with the two ends of the cooling pipe is provided with a wear-resistant layer.

Furthermore, the outer tube body adopts silica gel as a material.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model has the advantages of improving the structural strength, preventing the damage caused by the external impact force, effectively increasing the cooling efficiency, improving the heat dissipation efficiency and the heat dissipation speed of the hydrogen fuel cell, having higher cleanliness and being not easy to be corroded by the cooling liquid; the metal braid layer is arranged in the cavity between the inner tube body and the outer tube body to effectively enhance the strength and hardness of the cooling tube structure; the temperature of the inner pipe body in the cooling pipe can be quickly radiated through the radiating material, so that the cooling performance of the cooling water pipe is improved; the heat-conducting coating is arranged outside the outer pipe body, so that the cooling water pipe can be further radiated, the heat conduction performance of the cooling pipe can be effectively improved, the cooling efficiency of the cooling pipe is further improved, and the heat radiation efficiency and the heat radiation speed can be effectively improved; the wear-resistant layer is arranged on the surface of the inner wall of the through hole of the pipeline joint, so that the inner wall of the through hole of the pipeline joint is protected from corrosion; the protective layer is a polytetrafluoroethylene protective layer, has high temperature resistance and extremely low friction coefficient, and enables the cooling pipe to achieve the effects of easy cleaning and high cleanliness.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic view of the full-section structure of the present invention.

Fig. 4 is a schematic diagram of the local enlarged structure of the present invention.

The labels in the figures are: 1-cooling pipe, 2-cooling pipe, 3-outer pipe, 4-inner pipe, 5-metal braided layer, 6-heat dissipation material, 7-protective layer and 8-sealing ring.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

examples

A high-cleanliness cooling water pipe applied to a hydrogen fuel cell is shown in figures 1-4 and comprises a cooling pipe 1, a pipe joint 2, an outer pipe body 3, an inner pipe body 4, a metal braided layer 5, a heat dissipation material 6, a protective layer 7 and a sealing ring 8; two pipeline joints 2 are arranged and are respectively fixedly connected to two ends of the cooling pipe 1, and one end of each pipeline joint 2 is provided with a connecting threaded hole; the cooling pipe 1 comprises an inner pipe body 4 and an outer pipe body 3, the inner pipe body 4 is positioned inside the outer pipe body 3, a cavity is arranged between the inner pipe body 4 and the outer pipe body 3, a metal braid layer and a heat dissipation material 6 are arranged inside the cavity, and the metal braid layer is positioned outside the heat dissipation material 6; the inner wall surface of the inner pipe body 4 is also provided with a protective layer 7; the bottom of the connecting threaded hole of the pipe joint 2 is also provided with a sealing ring 8.

The outer wall surface of the outer tube body 3 is coated with a heat conducting coating.

The protective layer 7 arranged on the surface of the inner wall of the inner pipe is made of a polytetrafluoroethylene protective layer 7.

The outer tube body 3 is made of silica gel.

The working principle is as follows: the metal braid layer is arranged in the cavity between the inner pipe body 4 and the outer pipe body 3, so that the strength and the hardness of the structure of the cooling pipe 1 are effectively enhanced, the basic structural strength of the cooling pipe 1 is ensured, the heat dissipation material 6 is arranged in the metal braid layer, the temperature of the inner pipe body 4 in the cooling pipe 1 can be quickly dissipated through the heat dissipation material 6, and the cooling performance of the cooling water pipe is improved; the heat-conducting coating is arranged outside the outer pipe body 3, so that the cooling water pipe can be further radiated, the heat conduction performance of the cooling pipe 1 can be effectively improved, the cooling efficiency of the cooling pipe 1 is further improved, and the heat radiation efficiency and the heat radiation speed can be effectively improved; the wear-resistant layer is arranged on the surface of the inner wall of the through hole of the pipeline joint 2, so that the inner wall of the through hole of the pipeline joint 2 is protected from corrosion, the inner wall of the through hole of the pipeline joint 2 is prevented from being corroded by cooling liquid, impurities are generated, the conductivity of the cooling liquid is increased, and the effect of enhancing the corrosion resistance of the cooling water pipe is achieved; through set up sealing washer 8 in 2 connecting thread hole bottoms of pipe joint, prevent the condition that leaks, promote condenser tube's life.

Wherein, the surface coating of 3 outer walls of outer body has the heat conduction coating, carries out further heat dissipation to condenser tube, can effectively increase the heat conductivility of condenser tube 1, the radiating efficiency and the radiating rate of promotion.

The protective layer 7 arranged on the surface of the inner wall of the inner pipe is a polytetrafluoroethylene protective layer 7; the polytetrafluoroethylene has the characteristics of acid resistance, alkali resistance, almost insolubility in all solvents, high temperature resistance and extremely low friction coefficient, so that the cooling pipe 1 achieves the effects of easy cleaning and high cleanliness.

Wherein, the inner wall surface of the through hole of the pipeline joint 2 fixedly connected with the two ends of the cooling pipe 1 is provided with a wear-resistant layer; the corrosion of the inner wall of the through hole of the pipe joint 2 by the cooling liquid is prevented, so that impurities are generated to increase the conductivity of the cooling liquid.

Wherein, the outer tube body 3 adopts silica gel as a material; the insulativity of the cooling pipe 1 is improved, and the high-voltage electricity is prevented from being conducted to the outside through cooling liquid, so that potential safety hazards caused by insulation faults are prevented.

Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.

Claims

1. A high-cleanliness cooling water pipe applied to a hydrogen fuel cell is characterized by comprising a cooling pipe (1), a pipe joint (2), an outer pipe body (3), an inner pipe body (4), a metal braided layer (5), a heat dissipation material (6), a protective layer (7) and a sealing ring (8); two pipeline joints (2) are respectively and fixedly connected to two ends of the cooling pipe (1), and one end of each pipeline joint (2) is provided with a connecting threaded hole; the cooling pipe (1) comprises an inner pipe body (4) and an outer pipe body (3), the inner pipe body (4) is located inside the outer pipe body (3), a cavity is formed between the inner pipe body (4) and the outer pipe body (3), a metal braid and heat dissipation materials (6) are arranged inside the cavity, and the metal braid is located outside the heat dissipation materials (6); a protective layer (7) is also arranged on the surface of the inner wall of the inner pipe body (4); the bottom of the connecting threaded hole of the pipeline joint (2) is also provided with a sealing ring (8).

2. The high-cleanliness cooling water pipe applied to a hydrogen fuel cell according to claim 1, wherein the outer wall surface of the outer tube (3) is coated with a heat-conductive coating.

3. The high-cleanliness cooling water pipe applied to a hydrogen fuel cell according to claim 1, wherein the material of the protective layer (7) provided on the inner wall surface of the inner pipe is a polytetrafluoroethylene protective layer (7).

4. The high-cleanliness cooling water pipe applied to the hydrogen fuel cell according to claim 1, wherein the inner wall surface of the through hole of the pipe joint (2) fixedly connected with the two ends of the cooling pipe (1) is provided with a wear-resistant layer.

5. The high-cleanliness cooling water pipe applied to a hydrogen fuel cell according to claim 1, wherein the outer tube body (3) is made of silica gel.