CN203103010U - Photoelectric hybrid cable for medical equipment CT machine - Google Patents

Abstract

The utility model discloses a photoelectric mixed cable for a medical equipment CT machine. The photoelectric mixed cable comprises an optical fiber unit and four copper wire pairs, which are used for transmitting electric energy and stranded around the optical fiber unit. The optical fiber unit comprises at least two multi-mode optical fibers whose outer surface is coated with a polyvinyl chloride layer, the periphery of the polyvinyl chloride layer is coated with an aramid fiber reinforced layer, and an inner protecting layer is coated on the outer surface of the aramid fiber reinforced layer. The copper wire pair is composed of two copper conductors which are respectively coated with an insulating layer. The outer surface of the four copper wire pairs is wrapped by a polyester band, the outer surface of the polyester band is coated with an aluminum foil layer, the outer surface of the aluminum foil layer is coated with a metal woven layer woven by a plurality of copper wires, and the outer surface of the metal woven layer is coated with an outer sheath layer. The photoelectric mixed cable disclosed by the utility model solves problems of electricity utilization and signal transmission of existing medical equipment, integrates signal transmission and power transmission, and avoids secondary wiring. Meanwhile, the stretching resistance and torsional bending resistance of the photoelectric mixed cable in long-term dragging are improved and the service life of the cable is prolonged.

Description

Photoelectric hybrid cable for medical equipment CT machine

technical field

The utility model relates to a photoelectric hybrid cable, in particular to a photoelectric hybrid cable for medical equipment CT machines.

Background technique

The prior art photoelectric hybrid cable for medical equipment CT machine mainly has the following technical defects:

3.1 The product is laid indoors in hospitals and is often used in harsh environments, such as: long-term chemical corrosion, electromagnetic interference, etc., unstable transmission signals, rapid performance degradation, and relatively short service life.

3.2 During use, the cable must withstand tensile force, twisting and bending, resulting in a rapid decline in the performance of the insulation and sheath material, and a greatly shortened service life.

3.3 The cable has relatively high requirements on the performance of the sheath material and the performance of tensile torsional bending, while the requirements for low temperature resistance, aging resistance and ultraviolet resistance are relatively small.

Therefore, designing an optical-electrical hybrid cable for medical equipment CT machines, which can effectively solve the above-mentioned technical problems, has become the direction of efforts of ordinary skilled in the art.

Contents of the invention

The utility model provides a photoelectric hybrid cable for medical equipment CT machines. The photoelectric hybrid cable solves the problems of electricity consumption and signal transmission of existing medical equipment, integrates signal transmission and power transmission, and avoids secondary wiring; at the same time, it also improves It improves the tensile resistance, torsional bending performance of the cable for long-term dragging, and prolongs the service life of the cable.

In order to achieve the above object, the technical solution adopted by the utility model is: a photoelectric hybrid cable for medical equipment CT machine, including an optical fiber unit and four copper wire pairs twisted around the optical fiber unit for transmitting electric energy; the optical fiber The unit includes at least two multimode optical fibers whose outer surfaces are coated with a polyvinyl chloride layer, the polyvinyl chloride layer is surrounded by an aramid fiber reinforcement layer, and an inner sheath is coated on the outer surface of the aramid fiber reinforcement layer; The copper wire pair is composed of two copper conductors coated with an insulating layer;

The outer surface of the four copper wires is wrapped with a polyester tape, the outer surface of the polyester tape is covered with an aluminum foil layer, and a metal braided layer made of several copper wires is covered with the outer surface of the aluminum foil layer. The outer surface of the braided layer is covered with an outer sheath layer.

The technical scheme further improved in the above-mentioned technical scheme is as follows:

1. In the above solution, the copper conductor is a tinned copper conductor or a bare copper conductor.

2. In the above solution, the outer surface of the copper wire is coated with a tin layer.

3. In the above solution, a drain line is located between the metal braiding layer and the aluminum foil layer.

4. In the above solution, the multimode fiber is a G.657 multimode fiber.

5. In the above solution, the weaving density of the metal braiding layer is >85%.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages compared with the prior art:

The utility model photoelectric hybrid cable for CT machine of medical equipment solves the problem of power consumption and signal transmission of existing medical equipment, integrates signal transmission and power transmission, avoids secondary wiring; Withstand tensile force, torsional bending performance, prolong the service life of the cable, theoretically calculated that the designed service life of this cable can reach 20 years, which belongs to the domestic leading level, and has good practical value and promotion value.

Description of drawings

Accompanying drawing 1 is the structural representation of the photoelectric hybrid cable used in the medical equipment CT machine of the present invention;

Accompanying drawing 2 is the structure diagram of the optical fiber unit of the present utility model.

In the above drawings: 1. Optical fiber unit; 11. Polyvinyl chloride layer; 12. Multimode optical fiber; 13. Aramid fiber reinforcement layer; 14. Inner sheath; 2. Copper wire pair; Conductor; 5. Polyester tape; 6. Aluminum foil layer; 7. Metal braiding layer; 71. Copper wire; 8. Outer sheath layer; 9. Drainage line.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Embodiment: A kind of optical-electrical hybrid cable for CT machine of medical equipment, comprises fiber optic unit 1 and four copper wire pairs 2 twisted around the fiber optic unit for transmitting electric energy; A multimode optical fiber 12 covered with a polyvinyl chloride layer 11, the polyvinyl chloride layer 11 is surrounded by an aramid fiber reinforcement layer 13, and an inner sheath 14 is coated on the outer surface of the aramid fiber reinforcement layer 13; the copper The wire pair 2 consists of two copper conductors 4 coated with an insulating layer 3;

The outer surface of the four copper wire pairs 2 is wrapped with a polyester tape 5, the outer surface of the polyester tape 5 is covered with an aluminum foil layer 6, and a metal braided layer 7 woven by several copper wires 71 is covered on the The outer surface of the aluminum foil layer 6 is covered with an outer sheath layer 8 on the outer surface of the metal braided layer 7 .

The above-mentioned copper conductor 4 is a tinned copper conductor or a bare copper conductor.

The outer surface of the copper wire 71 is coated with a tin layer.

A drain wire 9 is located between the metal braid layer 7 and the aluminum foil layer 6 .

The aforementioned multimode fiber 12 is a G.657 multimode fiber.

The braiding density of the metal braiding layer 7 above is >85%.

When the above-mentioned photoelectric hybrid cable for medical equipment CT machine is used, it solves the problem of power consumption and signal transmission of existing medical equipment, integrates signal transmission and power transmission, and avoids secondary wiring; at the same time, it also improves the long-term drag of the cable. Withstand tensile force, torsional bending performance, prolong the service life of the cable, theoretically calculated that the designed service life of this cable can reach 20 years, which belongs to the domestic leading level, and has good practical value and promotion value.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (6)

1. A photoelectric hybrid cable for a medical equipment CT machine, characterized in that: it includes an optical fiber unit (1) and four copper wire pairs (2) twisted around the optical fiber unit for transmitting electric energy; the optical fiber unit ( 1) Consisting of at least two multimode optical fibers (12) coated with a polyvinyl chloride layer (11) on the outer surface, the polyvinyl chloride layer (11) is surrounded by an aramid fiber reinforcement layer (13), an inner sheath (14) coated on the outer surface of the aramid reinforcement layer (13); the copper wire pair (2) is composed of two copper conductors (4) coated with an insulating layer (3); The outer surface of the four copper wire pairs (2) is wrapped with a polyester tape (5), and the outer surface of the polyester tape (5) is covered with an aluminum foil layer (6), which is braided by several copper wires (71) The formed metal braiding layer (7) is coated on the outer surface of the aluminum foil layer (6), and the outer surface of the metal braiding layer (7) is covered with an outer sheath layer (8). 2. The optical-electrical hybrid cable according to claim 1, characterized in that: the copper conductor (4) is a tinned copper conductor or a bare copper conductor. 3. The optical-electrical hybrid cable according to claim 1, characterized in that: the outer surface of the copper wire (71) is coated with a tin layer. 4. The optical-electrical hybrid cable according to claim 1, characterized in that a drain wire (9) is located between the metal braiding layer (7) and the aluminum foil layer (6). 5. The optical-electrical hybrid cable according to claim 1, characterized in that: the multimode optical fiber (12) is a G.657 multimode optical fiber. 6. The optical-electrical hybrid cable according to claim 1, characterized in that: the braiding density of the metal braiding layer (7) is >85%.

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