At present, China’s largest Fiber Optic Splice Closure market is a single-core optical fiber connector. With the continuous expansion of optical communication applications, especially the gradual optical fiberization of local communication networks, the total demand for optical fiber connectors in China has been continuously expanding in recent years. The average compound annual growth rate in previous years was above 30%.
At present, the core network for communications and outdoor optical cables for access networks have already had more mature structures and laying methods adapted to China’s national conditions. At the same time, after the development in recent years, indoor fiber optic splice closures also have more mature structures and have sufficient production capacity. However, part of the optical fiber cable that the communication network enters the home is outdoors, and part of it is indoor. It puts forward new requirements for the requirements and laying methods of optical cables.
A kind of road surface microgroove fiber optic splice closure based on stainless steel loose sleeve technology developed in our country, with fiber cores up to 48 cores, outside diameter less than 6.0 mm, and cable weight less than 60 kg/km. Among them, the stainless steel tube is not only the loose tube protection tube of the optical fiber terminal box, but also can provide the appropriate optical fiber excess length, and is also the fiber optic splice closure sealing sleeve, which is used to completely isolate the external moisture into the sleeve, and is also the reinforcing member of the fiber optic splice closure.
Appropriate cross-section of the steel tube to ensure the cable’s tensile properties and crush performance. The stainless steel pipe is filled with a thixotropic water-blocking compound to ensure that the fiber optical meets the requirements of water seepage performance. The outer steel pipe is extruded polyethylene sheath.
Greentel Fiber Optic Splice Closure includes a connector body, a front and rear dust cover, an extrusion sleeve, and the like. The front part uses a ceramic tube with a very light connection surface to ensure the contact of the optical fiber and improve the durability. An elastic sleeve at the rear prevents the fiber from being torn.
Fiber optic splice closures are widely used today. It is precisely because of the development of optical fiber communication technology and the coverage of the national network. The requirements for fiber optic splice closures are also gradually increasing. There are also requirements on the length of the reinforcing elements for fiber optic splice closures, and the length of the reinforcing parts is required. Suitably, if the fiber optic splice closure reinforcement is pressed on the core bundle tube, the core bundle tube will be deformed by force and cause excessive loss, and the optical fiber in the core bundle tube will also be fractured due to long-term stress, leaving the project with Hidden danger.
The fixing of the optical cable must ensure that the position of the optical fiber in the fiber optic splice closure does not loosen, thereby avoiding the increase of optical fiber loss or the problem of fiber breakage due to the displacement of the optical cable. The fixing of the optical cable is divided into fixing of the reinforcing member and fixing of the rest of the optical cable.
The reinforcement must be fixed in its length. It is too long to fit in the fiber optic splice closure; it is too short to fix the cable. Generally, when cutting reinforcements, the distance between the clamping plate of the fixed cable and the screws of the fixed reinforcement should be equal to the length of stay. The rest of the fiber optic cable is fixed after the reinforcements are fastened, tighten the clamping plate with screws, and tightly fix it on the fiber optic cable inlet of the joint box.
https://www.greentelftth.com/ supplies a variety of quality Fiber Optic Splice Closure for different application.
Greentel Fiber Closure performance advantages: Stainless steel fiber optic splice closure is a competitive fiber optic splice closure, leading in the industry, a symbol of high quality. All stainless steel structure design adopts imported high quality stainless steel to ensure the product’s service life exceeds 30 years. Reasonable installation design, quick and easy installation, fixed and reliable fiber cable introduction, reinforced core fixing device, excellent airtightness and reliable sealing performance It has high anti-aging performance and can adapt to all kinds of climatic discs. Its bending radius is larger than 45mm to ensure the minimum loss of fiber joints.
The fiber optic splice closure is the key application in the connection of optical cables. Optical fiber connection is an important component in the construction of optical cable lines. The quality of the optical cable connection directly affects the construction quality and affects the optical communication quality. It is very important to improve the quality of the cable connection in the construction of the line.
The sealing of the fiber optic splice closure is mainly the sealing between the optical cable and the joint box and the upper and lower cover plates of the joint box. When the optical cable and the joint box are sealed, the optical cable jacket of the sealing part needs to be polished firstly.
The gauze is axially ground on the outer sheath on the vertical cable, so that the optical cable and the sealing tape are combined tightly and sealed better. The sealing between the upper and lower cover plates of the fiber optic splice closure is mainly to pay attention to that the sealing tape should be uniformly prevented from being tightened in the sealing groove of the fiber optic splice closure, and the screws are tightened without leaving gaps.