CN203338831U - Anti-interference cable - Google Patents

Abstract

An anti-interference cable comprises a wire and at least two connectors, wherein the wire comprises a plurality of core wires, a metal braid layer covering each core wire, a wave-absorbing layer covering the metal braid layer and an outer cover covering the wave-absorbing layer; each connector is respectively connected with two ends of the wire, and each connector respectively comprises a rubber core, a plurality of terminals which are arranged on the rubber core and respectively connected with each core wire, a metal shell which covers the rubber core and is contacted with the wave-absorbing layer and a plastic shell which covers the metal shell. Therefore, each connector can be simultaneously connected with different electronic equipment for data transmission, and the wave-absorbing layer is arranged during transmission, so that the transmission signal is prevented from being interfered by the electronic equipment, and the effects of effectively resisting interference, stably transmitting the signal and preventing the electromagnetic interference generated by the cable from leaking to influence the electronic equipment are achieved.

Description

Anti-interference cable

technical field

The utility model relates to an anti-interference cable, in particular to a cable which enables each connector to be connected to different electronic devices at the same time for data transmission, and uses the setting of a wave-absorbing layer during transmission to prevent the transmission signal from being interfered by the electronic device , and achieve the effect of effectively resisting interference, stabilizing signal transmission and preventing the electromagnetic interference generated by cables from leaking and affecting electronic equipment.

Background technique

Generally, the existing cable structure is composed of a wire and connectors respectively arranged at both ends of the wire; wherein the wire has a plurality of core wires, a metal braid covering each core wire, and an outer wire covering the metal braid. Each connector is connected to the core wire respectively; thereby, different electronic devices can be connected at the same time to achieve the effect of data transmission.

However, as far as the existing cable structure is concerned, the metal braiding layer is only used for grounding and noise prevention functions, and there is no other auxiliary structural design. Therefore, when each connector is connected to different electronic devices at the same time During data transmission (especially when performing G bit/Persec transmission), the transmission signal is often interfered by electronic equipment, resulting in signal instability during transmission, which deteriorates the efficiency and effect of transmission.

In view of this, the designer of this case made an in-depth discussion on the above-mentioned problems, and actively sought solutions through years of experience in research and development and manufacturing in related industries. After long-term research and development, he finally successfully developed the utility model. Interfere with cables to improve existing problems.

Contents of the invention

The main purpose of the utility model is to provide a method that enables each connector to be connected to different electronic devices at the same time for data transmission, and prevents the transmission signal from being interfered by the electronic device during transmission, so as to effectively resist interference, stabilize the transmission signal and prevent cable The leakage of electromagnetic interference generated by the cable affects the anti-interference cable of electronic equipment.

In order to achieve the above purpose, the utility model is an anti-interference cable, which includes: a wire and at least two connectors, the wire includes a plurality of core wires, a metal braid covering each core wire, a metal braid covering the core wires, The wave-absorbing layer of the metal braid layer and an outer jacket covering the wave-absorbing layer; and each connector is respectively connected to both ends of the wire, and each connector includes a rubber core, most of which are arranged on the rubber core and connected to each The terminal of the core wire, a metal shell covering the rubber core and in contact with the wave-absorbing layer, and a plastic shell covering the metal shell.

In the above-mentioned embodiments of the present invention, the wave-absorbing layer includes a polyethylene film laminated on the metal braided layer, a nylon film laminated on the polyethylene film, a metal film laminated on the nylon film and a layer laminated on the Polyester film on metal film.

In the above-mentioned embodiments of the present invention, the temperature-resistant range of the nylon membrane is between -50°C and 100°C.

In the above embodiments of the present invention, the polyester film may be polyethylene terephthalate (PET).

Compared with the prior art, the utility model has the beneficial effects as follows: the utility model can simultaneously connect different electronic devices through each connector for data transmission, and the setting of the wave-absorbing layer is used during transmission to prevent the transmission signal from being damaged. Interference of electronic equipment, so as to effectively resist interference, stabilize signal transmission and prevent electromagnetic interference generated by cables from leaking and affecting electronic equipment.

Description of drawings

Figure 1 is a schematic diagram of the appearance of the utility model.

Figure 2 is a schematic exploded view of the utility model.

Fig. 3 is a schematic diagram of the section state of the wire rod of the present invention.

Component label comparison:

wire 1;

core wire 11;

metal braid 12;

absorbing layer 13;

polyethylene film 131;

Nylon membrane 132;

metal film 133;

polyester film 134;

Outer quilt 14;

Connector 2;

Rubber core 21;

Terminal 22;

metal shell 23;

Plastic case 24.

Detailed ways

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , which are respectively the schematic diagram of the appearance of the utility model, the schematic diagram of the decomposition of the utility model, and the schematic diagram of the cross-sectional state of the wire rod of the utility model. As shown in the figure: the utility model is an anti-interference cable, which includes a wire 1 and at least two connectors 2.

The wire 1 mentioned above includes a plurality of core wires 11, a metal braiding layer 12 covering each core wire 11, a wave-absorbing layer 13 covering the metal braiding layer 12, and a wave-absorbing layer 13 covering the The outer jacket 14, and the wave-absorbing layer 13 includes a polyethylene film 131 laminated on the metal braided layer 12, a nylon film 132 laminated on the polyethylene film 131, a metal film 133 laminated on the nylon film 132, and a polyester film 134 laminated on the metal film 133, wherein the temperature resistance of the nylon film 132 is between -50°C and 100°C, and the polyester film 134 can be polyethylene terephthalate (PET) .

Each connector 2 is respectively connected to both ends of the wire 1, and each connector 2 respectively includes a rubber core 21, a plurality of terminals 22 arranged on the rubber core 21 and respectively connected to each core wire 11, a covering rubber core 21 and A metal shell 23 in contact with the wave-absorbing layer 13, and a plastic shell 24 covering the metal shell 23. If so, a brand new anti-interference cable is formed by the above structure.

When the utility model is in use, each connector 2 can be connected to different electronic devices at the same time for data transmission (not shown in the figure), and the wave-absorbing layer 13 is set during transmission, and polyethylene film 131, nylon film 132. The properties of metal film 133 and polyester film 134 prevent transmission signals from being interfered by electronic equipment, such as: the polyethylene film 131 is non-toxic, acid-resistant, alkali-resistant, water-resistant and has good electrical insulation; the nylon film 132 has Non-toxic, high light transmittance, abrasion resistance, puncture resistance, oil resistance, good high and low temperature tolerance and high stretchability; the metal film 133 is composed of metal atoms, has good conductivity and can reduce the penetration of radio waves; and The polyester film 134 has excellent toughness, abrasion resistance, electrical insulation, tensile resistance, and impact resistance. Therefore, when each connector 2 cooperates with the wire 1 for data transmission, the wave-absorbing layer 13 can be used to prevent transmission. The signal is interfered by the electronic equipment, so as to effectively resist the interference, stabilize the signal transmission and prevent the electromagnetic interference generated by the cable from leaking and affecting the electronic equipment.

To sum up, the anti-interference cable of this utility model can effectively improve the various shortcomings of the existing ones, and can enable each connector to connect to different electronic devices at the same time for data transmission, and use the setting of the wave-absorbing layer during transmission to prevent transmission of signal Being interfered by electronic equipment, it can effectively resist interference, stably transmit signals and prevent the electromagnetic interference generated by cables from leaking out to affect electronic equipment; thus making the utility model more advanced, more practical, and more in line with consumers If the requirements for use have indeed met the requirements for a utility model patent application, a patent application shall be filed according to law.

But the above is only a preferred embodiment of the utility model, and should not limit the scope of implementation of the utility model; therefore, all simple equivalent changes and modifications made according to the claims of the utility model and the contents of the description , all should still belong to the scope covered by the utility model patent.

Claims (4)

1. An anti-jamming cable, comprising a wire and at least two connectors, characterized in that the wire includes a plurality of core wires, a metal braid covering each core wire, an absorbing wire covering the metal braid A wave layer and an outer jacket covering the wave-absorbing layer; each connector is respectively connected to both ends of the wire, and each connector includes a rubber core, a plurality of terminals arranged on the rubber core and connected to each core wire, and a A metal shell covering the rubber core and in contact with the wave-absorbing layer and a plastic shell covering the metal shell. 2. The anti-interference cable according to claim 1, characterized in that, the wave-absorbing layer comprises a polyethylene film laminated on the metal braided layer, a nylon film laminated on the polyethylene film, a layer of nylon film laminated on the A metal film on a film and a polyester film laminated on a metal film. 3. The anti-interference cable according to claim 2, characterized in that the temperature resistance range of the nylon film is between -50°C and 100°C. 4. The anti-interference cable according to claim 2, characterized in that the polyester film is polyethylene terephthalate.

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