CN201142246Y - Power line - Google Patents

Abstract

The utility model relates to a power cord, include: a power cable including a core portion, an isolation layer covering the core portion, and a jacket layer covering the isolation layer; and at least one radio frequency cable, one end of which is connected with the power supply cable, wherein the radio frequency cable comprises a signal wire and a tegument layer which is coated outside the signal wire. The utility model discloses can use the radio frequency cable that connects with this power cable as the antenna, work as the utility model discloses when being connected with electron device, the usable this radio frequency cable of this electron device transmits FM signal, therefore this electron device need not to install antenna device in addition, can conveniently listen to the FM radio station.

Description

a power cord

technical field

The utility model relates to a power cord structure, in particular to a power cord with both a power cable and a radio frequency cable.

Background technique

The existing power cord structure only has a power cable, and two conductive wires are arranged inside the power cable as positive and negative poles respectively, and a connector can be provided at one end of the power cable so as to be connected to an electronic device, so as to supply power Work.

However, the existing power line structure only has the function of supplying power, which seems to be insufficient. If the power line structure can also have the function of transmitting frequency modulation signals, its practicability can be improved.

Contents of the invention

The technical problem to be solved by the utility model is to provide a power cord, the power cable of which is connected with a radio frequency cable, so that the power cord structure can transmit frequency modulation signals through the radio frequency cable.

In order to achieve the above object, the utility model provides a power cord, which is characterized in that it includes: a power cable, which includes a core part, an isolation layer covering the outside of the core part and a covering layer an outer coating layer on the outside of the isolation layer; and at least one radio frequency cable, one end of which is connected to the power cable, the radio frequency cable includes a signal line and an outer coating layer covering the outer side of the signal line.

The above power cord is characterized in that the core portion of the power cable includes two or more even-numbered conductive wires.

The above-mentioned power cord is characterized in that the core part of the power cable includes a conductive wire and a winding wire, and the winding wire is wound around the periphery of the conductive wire.

The above-mentioned power cord is characterized in that the isolation layer of the power cable is a paper layer.

The above-mentioned power cord is characterized in that at least one shielding layer is provided between the isolation layer and the outer layer of the power cable.

The above-mentioned power cord is characterized in that the shielding layer is metal foil mylar or braided mesh.

The above-mentioned power line is characterized in that at least one shielding layer is provided between the signal line of the radio frequency cable and the outer layer.

The above-mentioned power cord is characterized in that the shielding layer is metal foil mylar or braided mesh.

The above power cord is characterized in that the radio frequency cable and the power cable are arranged side by side, and the side edges of the outer coating layer of the radio frequency cable and the outer coating layer side edges of the power cable are connected to each other to form a parallel line.

The utility model has the following effects: the utility model can use the radio frequency cable connected with the power supply cable as an antenna, when the utility model is connected with an electronic device, the electronic device can use the radio frequency cable to transmit frequency modulation signals, so the electronic device Conveniently listen to FM stations without installing an additional antenna unit.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is the schematic diagram of the first embodiment of the utility model;

Fig. 2 is the sectional view of 2-2 in Fig. 1;

Fig. 3 is a sectional view of 3-3 in Fig. 1;

Fig. 4 is the schematic diagram of the second embodiment of the utility model;

Fig. 5 is a sectional view of 5-5 in Fig. 4;

Fig. 6 is a sectional view of another core part of the present utility model;

Fig. 7 is a cross-sectional view when a shielding layer is provided inside the power supply cable and the radio frequency cable of the present invention;

Fig. 8 is a cross-sectional view when two layers of shielding layers are provided inside the power cable and the radio frequency cable of the present invention;

Fig. 9 is a schematic diagram of a third embodiment of the utility model;

Fig. 10 is a schematic diagram of a fourth embodiment of the present utility model;

Fig. 11 is a sectional view of 11-11 in Fig. 10;

Fig. 12 is a cross-sectional view of the power cable of the present invention when there are multiple conductive wires inside.

Among them, reference signs:

10 Power cable 11 Core material part

111 Conductive wire 1111 Conductor

1112 insulator 112 winding wire

12 Isolation layer 13 Outer layer

14 The first shielding layer 15 The second shielding layer

20 Anti-interference department 30 Radio frequency cable

31 Signal line 311 Conductor

312 Insulator 32 Outer coating

33 The first shielding layer 34 The second shielding layer

40 Stress buffer

Detailed ways

Please refer to FIG. 1 , which is the first embodiment of the power cord structure of the present invention. The power cord structure includes: a power cable 10 , an interference prevention part 20 , a radio frequency cable 30 and a stress buffer part 40 .

The power cable 10 includes a core part 11, an isolation layer 12 and an outer layer 13 (please refer to FIG. 2), wherein the core part 11 includes two conductive wires 111 in this embodiment, but Not limited thereto, the two conductive wires 111 are respectively used as the positive pole and the negative pole of the power cable 10 , and each conductive wire 111 includes a conductor 1111 and an insulator 1112 covering the outer side of the conductor 1111 .

The isolation layer 12 is paper (TISSUE PAPER), which has the functions of moisture-proof, flame-resistant and isolation, and the isolation layer 12 is coated on the outside of the core part 11.

The outer coating layer 13 is made of polyvinyl chloride (PVC) or polyurethane (PU) material, which has a good insulating effect, and the outer coating layer 13 covers the outer side of the isolation layer 12 .

The anti-interference part 20 is molded from an insulating material, and has an iron powder core (not shown in the figure) inside. The iron powder core is sleeved on the power cable 10 to prevent power signal interference. 20 is set at the middle section of the power cable 10 in this embodiment, but it is not limited thereto.

The radio frequency cable 30 is shorter than the power cable 10 in this embodiment, and the radio frequency cable 30 includes a signal line 31 and an outer layer 32 (please refer to FIG. 3 ), wherein the signal line 31 includes A conductor 311 and an insulator 312 covering the outside of the conductor 311. The outer covering layer 32 is also made of polyvinyl chloride or polyurethane material, which has a good insulating effect. The outer covering layer 32 covers the signal line 31 outside, the front end of the radio frequency cable 30 is connected to the middle section of the power cable 10 and is close to the rear of the interference prevention part 20 to form a split state.

The stress buffer part 40 is arranged at the intersection of the radio frequency cable 30 and the power cable 10. The stress buffer part 40 is made of insulating material and has proper elasticity, so that the appearance of the utility model is more beautiful and can prevent scratches. injury, and can prolong the bending life of the power cable 10.

See also shown in Fig. 4, be the second embodiment of the present utility model, and the difference of the first embodiment is:

The radio frequency cable 30 and the power cable 10 are arranged side by side, and the side edge of the outer layer 32 of the radio frequency cable 30 is connected with the side edge of the outer layer 13 of the power cable 10 to form parallel lines (please refer to FIG. Show). The rear end of the RF cable 30 and the power cable 10 can be connected to a connector (not shown), and the two conductive wires 111 of the power cable 10 and the signal wire 31 of the RF cable 30 are respectively electrically connected to the connector. preset terminals inside the device.

Please refer to FIG. 6 , which discloses another core part 11 of a power cable 10. The core part 11 includes a conductive wire 111 and a winding wire 112. The winding wire 112 is wound around the periphery of the conductive wire 111. To isolate and shield power noise. The conductive wire 111 and the winding wire 112 are respectively used as positive and negative poles of the power cable 10 .

Please refer to FIG. 7 again, a first shielding layer 14 can be further provided between the isolation layer 12 and the outer layer 13 of the power cable 10, and the first shielding layer 14 can be a metal foil Mylar (such as an aluminum foil Mylar ) or woven mesh (SHIELD), etc., to isolate and shield power supply noise. A first shielding layer 33 may be further provided between the signal line 31 of the radio frequency cable 30 and the outer layer 32. The first shielding layer 33 may be a metal foil mylar or a braided mesh to isolate and shield external noise.

Of course, there is no limitation that the first shielding layer 14 of the power cable 10 and the first shielding layer 33 of the radio frequency cable 30 must exist at the same time, and the first shielding layer 14 may only be provided inside the power cable 10, or The first shielding layer 33 is provided only inside the radio frequency cable 30 .

Please refer to FIG. 8 again, a second shielding layer 15 may be provided between the first shielding layer 14 of the power cable 10 and the outer layer 13, for example, when the first shielding layer 14 is metal foil Mylar, A braided mesh can be set between the metal foil mylar and the outer layer 13 as the second shielding layer 15, so as to form a multi-layer shielding protection and improve the effect of isolating and shielding power supply noise; similarly, the radio frequency A second shielding layer 34 (such as a braided mesh) can also be provided between the first shielding layer 33 of the cable 30 and the outer layer 32 to improve its effect of isolating and shielding external noise. Therefore, the same method can also be applied in the first embodiment, so that the shielding effect of the power cable 10 and the radio frequency cable 30 in the split state can be enhanced.

Please refer to Fig. 9, which is the third embodiment of the present utility model, and the difference with the second embodiment is:

The length of the radio frequency cable 30 is the same as that of the power cable 10 , forming a complete parallel line.

Please refer to Fig. 10 and Fig. 11, which is the fourth embodiment of the present utility model, and the difference from the second embodiment is:

Both sides of the power cable 10 are provided with radio frequency cables 30, and the two radio frequency cables 30 form parallel lines with the power cable 10. It can be seen that the number of radio frequency cables 30 of the present utility model is not limited. The radio frequency cables 30 It can also be multiple arranged on the periphery of the power cable 10 to form a ring arrangement.

Please refer to Fig. 12 again, the core part 11 of the power cable 10 may include more than two even-numbered conductive wires 111, wherein half of the conductive wires 111 are used as positive poles, and the other half are used as negative poles, and the wire diameter is used in conjunction with The smaller and lower-cost conductive wire 111 can greatly reduce the overall wire diameter of the power cable 10 and reduce the cost at the same time.

Thus, the power cord structure of the present utility model can supply power to the electronic device through the power cable 10, and at the same time enable the electronic device to have the function of transmitting frequency modulation signals through the radio frequency cable 30, and avoid the trouble of installing an additional antenna device .

Certainly, the utility model also can have other various embodiments, under the situation of not departing from the spirit and essence of the utility model, those skilled in the art can make various corresponding changes and distortions according to the utility model, but these Corresponding changes and deformations should all belong to the protection scope of the claims of the present invention.

Claims (9)

1. A power cord, characterized by comprising: a power cable comprising a core part, an isolation layer covering the outside of the core part, and an outer jacket covering the outside of the isolation layer layer; and at least one radio frequency cable, one end of which is connected to the power cable, and the radio frequency cable includes a signal line and an outer coating layer covering the outside of the signal line. 2. The power cord according to claim 1, wherein the core portion of the power cable includes two or more even-numbered conductive wires. 3. The power cord according to claim 1, wherein the core portion of the power cable comprises a conductive wire and a wrapping wire, and the wrapping wire is wound around the periphery of the conductive wire. 4. The power cord according to claim 1, wherein the isolation layer of the power cable is a paper layer. 5. The power cord according to claim 1, characterized in that at least one shielding layer is provided between the isolation layer and the outer layer of the power cable. 6. The power cord according to claim 5, wherein the shielding layer is metal foil Mylar or braided mesh. 7. The power cord according to claim 1, wherein at least one shielding layer is provided between the signal line of the radio frequency cable and the outer coating layer. 8. The power cord according to claim 7, wherein the shielding layer is metal foil mylar or braided mesh. 9. The power cord according to claim 1, characterized in that, the radio frequency cable and the power cable are arranged side by side, and the side edge of the outer coating layer of the radio frequency cable and the outer coating layer side of the power cable Edges connect to each other to form parallel lines.

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