CN217954800U

CN217954800U - HDMI long distance fiber cable

Info

Publication number: CN217954800U
Application number: CN202221222308.7U
Authority: CN
Inventors: 陈渊
Original assignee: NINGBO KANGDA ELECTRONICS CO Ltd
Current assignee: NINGBO KANGDA ELECTRONICS CO Ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-12-02
Anticipated expiration: 2032-05-19

Abstract

The application discloses HDMI long distance fiber cable, [0006] includes the stretch-proofing layer, the inside on stretch-proofing layer is equipped with the parcel layer, the embedded compressive structures that is provided with in parcel layer, compressive structures's inside movable mounting has the elasticity inoxidizing coating, the elasticity inoxidizing coating includes elastic layer, protective layer, elasticity post and connecting strip, the elastic layer touches with compressive structures and connects, one side and the elastic layer fixed connection of connecting strip, the opposite side and the protective layer fixed connection of connecting strip, the arc wall has all been opened on the inside surface of elastic layer and the outside surface of protective layer. This practicality utilizes the inside of elasticity post elastic layer and protective layer through setting up the elasticity protective layer, when the optical fiber cable received external extrusion, can carry out certain buffering to the extrusion force, makes the optical fiber cable install in comparatively complicated environment, and adaptability is stronger, and the external extrusion force that can bear is bigger, is favorable to prolonging optical fiber cable's life.

Description

HDMI long distance optical fiber cable

Technical Field

The application relates to the technical field of optical fiber cables, in particular to an HDMI long-distance optical fiber cable.

Background

An optical fiber is a fiber made of glass or plastic, and is also a light conduction tool utilizing the principle of total internal reflection of light transmitted in these fibers, a transmitting device at one end of the optical fiber uses a light emitting diode or a bundle of laser to transmit light pulses into the optical fiber, a receiving device at the other end of the optical fiber uses a photosensitive component to detect the pulses, and a cable containing the optical fiber is called an optical cable.

The HDMI is a full digital video and audio transmission interface, can transmit uncompressed audio and video signals, and can be used for set top boxes, DVD players, personal computers, video game machines, comprehensive amplifiers, digital audio and television sets and other equipment. HDMI can send audio frequency and video signal simultaneously, because audio frequency and video signal adopt same wire rod, simplifies the installation degree of difficulty of system's circuit greatly.

Because HDMI fiber cable often can receive external extrusion or buckle because the topography is complicated in the use of long distance transmission signal, or the installation environment is relatively poor, and then easily leads to the inside impaired of HDMI fiber cable, and then easily leads to that signal transmission performance is relatively poor, can't use even, causes very big trouble for the use of HDMI fiber cable long distance fiber cable.

Disclosure of Invention

An object of the present application is to provide an optical fiber cable that can be applied to HDMI long-distance safe use.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: the HDMI long-distance optical fiber cable comprises a tensile layer, wherein a wrapping layer is arranged inside the tensile layer, a compression-resistant structure is embedded in the wrapping layer, and an elastic protection layer is movably arranged inside the compression-resistant structure;

the elastic protection layer comprises an elastic layer, a protection layer, elastic columns and connecting strips, the elastic layer is in contact with the compression-resistant structure, one side of each connecting strip is fixedly connected with the elastic layer, the other side of each connecting strip is fixedly connected with the protection layer, arc grooves are formed in the inner side surfaces of the elastic layers and the outer side surfaces of the protection layers, the elastic columns are embedded in the arc grooves, and the elastic columns and the connecting strips are distributed at equal intervals.

Preferably, the method comprises the following steps: the stretch-proof layer comprises a transverse woven mesh and a crossed metal mesh, the crossed metal mesh is embedded in the transverse woven mesh, and a protective film is coated on the outer side surface of the transverse woven mesh.

Preferably, the method comprises the following steps: the inside of protective layer is equipped with built-in structure, built-in structure includes optic fibre cover, optical fiber, filling layer and shielding layer, the inside at the protective layer is set up to the intussuseption of filling layer, shielding layer fixed mounting is in the inside of filling layer, the embedded inboard that sets up in the inside of filling layer and be located the shielding layer of optic fibre cover, optical fiber has been cup jointed to the inside of optic fibre cover, the inside of filling layer and the inboard that is located the optic fibre cover are equipped with the earth connection.

Preferably, the method comprises the following steps: the compression-resistant structure comprises a compression-resistant layer and a bonding strip, the compression-resistant layer is provided with two sets of symmetrical structures and two sets of symmetrical structures, the compression-resistant layer is connected with the wrapping layer through the bonding strip, one side of the compression-resistant layer is connected with the wrapping layer, and the other side of the compression-resistant layer is connected with the elastic layer.

Compared with the prior art, the beneficial effect of this application lies in:

(1) By arranging the elastic protective layer and utilizing the elastic column elastic layer and the inner part of the protective layer, when the optical fiber cable is extruded from the outside, certain buffering can be performed on extrusion force, so that the optical fiber cable is installed in a complex environment, the adaptability is stronger, the bearable external extrusion force is larger, and the service life of the optical fiber cable is prolonged;

(2) Through being provided with anti-compression layer and bonding strip, make fiber cable when retrieving and recycling, only need tear the bonding strip and can peel off the resistance to compression layer, be convenient for improve fiber cable retrieves the work efficiency who recycles, utilize the shielding layer simultaneously, can prevent that external signal from causing the interference to fiber cable's signal, make fiber cable normal use under the signal environment of complicacy, utilize the stretch-proofing layer, can prevent the impaired fracture of fiber cable outward appearance in the installation.

Drawings

Fig. 1 is a schematic perspective view of the HDMI long-distance optical fiber cable;

fig. 2 is a schematic diagram of the internal structure of the HDMI long-distance optical fiber cable;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a protective film; 2. an elastic protective layer; 21. an elastic layer; 22. a protective layer; 23. an elastic column; 24. a connecting strip; 3. a compression-resistant structure; 31. a pressure resistant layer; 32. bonding the strips; 4. a stretch resistant layer; 41. transversely weaving a net; 42. a crossed metal mesh; 5. a built-in structure; 51. an optical fiber sleeve; 52. an optical fiber; 53. a filling layer; 54. a shielding layer; 55. a ground line; 6. and (7) a wrapping layer.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

The HDMI long-distance optical fiber cable shown in fig. 1-3 comprises a tensile layer 4, a wrapping layer 6 is arranged inside the tensile layer 4, a compression-resistant structure 3 is embedded in the wrapping layer 6, and an elastic protection layer 2 is movably arranged inside the compression-resistant structure 3;

elastic protection layer 2 includes elastic layer 21, protective layer 22, elastic column 23 and connecting strip 24, elastic layer 21 touches with compressive structures 3 and meets, one side and elastic layer 21 fixed connection of connecting strip 24, the opposite side and protective layer 22 fixed connection of connecting strip 24, the arc wall has all been opened on the inside surface of elastic layer 21 and the outside surface of protective layer 22, the embedded setting of elastic column 23 is in the arc wall, utilize the inside of elastic column 23 elastic layer 21 and protective layer 22, when optical fiber cable receives external extrusion, can carry out certain buffering to the extrusion force, make optical fiber cable install in comparatively complicated environment, adaptability is stronger, the external extrusion force that can bear is bigger, be favorable to prolonging optical fiber cable's life, elastic column 23 and the even interval distribution of connecting strip 24, make optical fiber cable when the atress, distribution of force is more even.

Stretch-proofing layer 4 includes horizontal woven mesh 41 and cross metal mesh 42, can prevent the impaired fracture of optic fibre cable outward appearance in the installation, and the long distance of the optic fibre cable of being convenient for is laid, and the embedded setting of cross metal mesh 42 is inside horizontal woven mesh 41, and the outside surface of horizontal woven mesh scribbles protecting film 1, and the material of protecting film 1 is waterproof corrosion-resistant membrane, makes optic fibre cable's life longer.

The inside of protective layer 22 is equipped with built-in structure 5, built-in structure 5 includes optical fiber cover 51, optical fiber 52, filling layer 53 and shielding layer 54, the embedded inside that sets up at protective layer 22 of filling layer 53, shielding layer 54 fixed mounting is in the inside of filling layer 53, can prevent that external signal from causing the interference to optical fiber cable's signal, make optical fiber cable normal use under complicated signal environment, the embedded inside that sets up at filling layer 53 of optical fiber cover 51 and be located shielding layer 54, optical fiber 52 has been cup jointed to optical fiber cover 51's inside, the inside of filling layer 53 and the inboard that is located optical fiber cover 51 are equipped with earth connection 55.

Resistance to compression structure 3 is including resistance to compression layer 31 and bonding strip 32, resistance to compression layer 31 is equipped with two sets of and symmetry setting, connect through bonding strip 32 between two sets of resistance to compression layers 31, one side and the parcel layer 6 of resistance to compression layer 31 are connected, the opposite side and the elastic layer 21 of resistance to compression layer 31 are connected, resistance to compression layer 31 and bonding strip 32, make fiber cable when retrieving and recycling, only need tear bonding strip 32 and can peel off resistance to compression layer 31, be convenient for improve the work efficiency that fiber cable retrieved and recycled.

The foregoing has described the principles, principal features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. An HDMI long distance fiber optic cable, includes stretch-proofing layer, its characterized in that: a wrapping layer is arranged inside the tensile layer, a compression-resistant structure is embedded in the wrapping layer, and an elastic protective layer is movably arranged inside the compression-resistant structure;

2. The HDMI long-reach fiber cable of claim 1, wherein: the stretch-proof layer comprises a transverse woven mesh and a crossed metal mesh, the crossed metal mesh is embedded in the transverse woven mesh, and a protective film is coated on the outer side surface of the transverse woven mesh.

3. The HDMI long-reach fiber cable of claim 1, wherein: the inside of protective layer is equipped with built-in structure, built-in structure includes optic fibre cover, optical fiber, filling layer and shielding layer, the inside at the protective layer is set up to the intussuseption of filling layer, shielding layer fixed mounting is in the inside of filling layer, the embedded inboard that sets up in the inside of filling layer and be located the shielding layer of optic fibre cover, optical fiber has been cup jointed to the inside of optic fibre cover, the inside of filling layer and the inboard that is located the optic fibre cover are equipped with the earth connection.

4. The HDMI long-reach fiber cable of claim 3, wherein: the compression-resistant structure comprises a compression-resistant layer and a bonding strip, wherein the compression-resistant layer is provided with two groups of symmetrical layers and two groups of symmetrical layers, the compression-resistant layer is connected with the compression-resistant layer through the bonding strip, one side of the compression-resistant layer is connected with the wrapping layer, and the other side of the compression-resistant layer is connected with the elastic layer.