Lead wire for compensating tuning unit equipment

Abstract

The utility model discloses a lead wire for compensating tuning unit equipment, and relates to the technical field of rail transit, in particular to the lead wire for compensating the tuning unit equipment. The cable comprises a copper wire, a white insulating layer, a black protective layer, a black insulating sheath, a two-finger sheath and a terminal. The copper wire is wrapped in the white insulating layer, the specification of the copper wire is 8 square, and the white insulating layer is wrapped in the black protective layer; and the black protective layer is wrapped in the black insulating sheath. And the black insulating sheath wraps the black protective layer. The two-finger sheath wraps the black protection layer and the black insulation sheath at the same time. The terminal fixes the copper wire and the terminal in a crimping mode. After the technical scheme is adopted, the lead wire has the beneficial effects that the tensile strength and the shock strength of the lead wire can be improved, the lead wire has the characteristics of high temperature resistance and corrosion resistance, and the stability of signal transmission of the lead wire is protected to a great extent.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transportation, in particular to a lead wire for compensating tuning unit equipment. Background Art

[0002] The compensation tuning unit is used in the ZPW-2000A track circuit to compensate for track signals and protect locomotive signals from inter-zone transmission. It presents zero impedance to adjacent section signals, achieving a short-circuit function. For signals in the local section, it acts as an equivalent 25μF capacitor, replacing the first and last compensation capacitors within the track. This utility model provides an output connection method for the compensation tuning unit.

[0003] The utility model can improve the tensile strength and shock resistance of the lead wire, and has the characteristics of high temperature resistance and corrosion resistance, thereby protecting the stability of the signal transmitted by the lead wire to a great extent. Summary of the Invention

[0004] The purpose of the present invention is to address the defects and shortcomings of the existing technology and provide a lead wire for compensating tuning unit equipment, which can improve the tensile and shock resistance of the lead wire, and has the characteristics of high temperature resistance and corrosion resistance, thereby greatly protecting the stability of the lead wire transmission signal.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solution: it includes a copper wire 1, a white insulating layer 2, a black protective layer 3, a black insulating outer skin 4, a two-finger sheath 5, and a terminal 6; the copper wire 1 is wrapped inside the white insulating layer 2, the copper wire 1 is an 8-square copper wire, the white insulating layer 2 is wrapped inside the black protective layer 3; the black protective layer 3 is wrapped inside the black insulating outer skin 4.

[0006] The black insulating outer skin 4 wraps the black protective layer 3 .

[0007] The two-finger sheath 5 simultaneously wraps the black protective layer 3 and the black insulating outer skin 4 .

[0008] The terminal 6 fixes the copper wire 1 thereto by crimping.

[0009] After adopting the above technical solution, the beneficial effects of the utility model are: it can improve the tensile strength and shock resistance of the lead wire, and has the characteristics of high temperature resistance and corrosion resistance, which greatly protects the stability of the signal transmitted by the lead wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] Explanation of the reference numerals: copper wire 1, white insulation layer 2, black protective layer 3, black insulation sheath 4, two-finger sheath 5, terminal 6. DETAILED DESCRIPTION

[0013] See Figure 1 As shown, the technical solution adopted in this specific embodiment is as follows: it includes a copper wire 1, a white insulation layer 2, a black protective layer 3, a black insulation sheath 4, a two-finger sheath 5, and a terminal 6. The copper wire 1 is wrapped inside the white insulation layer 2. The copper wire 1 is an 8-square copper wire. The white insulation layer 2 is wrapped inside the black protective layer 3. The black protective layer 3 is wrapped inside the black insulation sheath 4. The black insulation sheath 4 wraps the black protective layer 3. The two-finger sheath 5 wraps both the black protective layer 3 and the black insulation sheath 4. The terminal 6 secures the copper wire 1 to it through crimping.

[0014] This specific embodiment is divided into two types according to electrical performance and size: Type I: 2906mm / 1100mm; Type II: 2781mm / 956mm.

[0015] The copper wire 1 and the terminal 6 of the present invention should be able to withstand a tensile force of not less than 1000N at the crimping joint, without looseness at the crimping joint and without broken strands of the copper wire 1.

[0016] Under the standard atmospheric conditions used in the test, the terminal 6 of the present invention and the black insulating sheath 4 should be able to withstand a 50Hz sinusoidal AC effective value voltage of 1000V for 1 minute without any breakdown or flashover.

[0017] Under the standard atmospheric conditions used in the test, the insulation resistance of the present invention is not less than 25MΩ.

[0018] The electrical characteristics of this specific implementation should meet the requirements of Table 1.

[0019]

[0020] Table 1

[0021] This specific implementation can improve the tensile strength and shock resistance of the lead wire, and has the characteristics of high temperature resistance and corrosion resistance, thereby protecting the stability of signal transmission of the lead wire to a great extent.

[0022] The above description is only used to illustrate the technical solution of the present invention and is not intended to limit it. Other modifications or equivalent substitutions made to the technical solution of the present invention by ordinary technicians in this field should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A lead wire for compensating a tuning unit device, characterized in that: It comprises a copper wire (1), a white insulating layer (2), a black protective layer (3), a black insulating outer skin (4), a two-finger sheath (5), and a terminal (6); the copper wire (1) is wrapped inside the white insulating layer (2), the copper wire (1) is an 8-square copper wire, the white insulating layer (2) is wrapped inside the black protective layer (3), and the black protective layer (3) is wrapped inside the black insulating outer skin (4).

2. The lead wire for compensating a tuning unit device according to claim 1, characterized in that: The black insulating outer skin (4) wraps the black protective layer (3).

3. The lead wire for compensating a tuning unit device according to claim 1, characterized in that: The two-finger sheath (5) simultaneously wraps the black protective layer (3) and the black insulating outer skin (4).

4. The lead wire for compensating a tuning unit device according to claim 1, characterized in that: The terminal (6) fixes the copper wire (1) thereto by crimping.

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