CN213844828U

CN213844828U - Direct current cable assembly

Info

Publication number: CN213844828U
Application number: CN202023317542.1U
Authority: CN
Inventors: 何起松
Original assignee: Suzhou Liangwo Electronic Technology Co ltd
Current assignee: Suzhou Liangwo Electronic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-30
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a direct current cable subassembly, including a cable, wear to be equipped with a first copper ring, a lag, a first sleeve pipe, one in proper order on the cable and mould shell, a plummet, a second copper ring and a second sleeve pipe, the one end department of cable is equipped with a 4P main part, and the other end department of cable is equipped with a red line, a black line, a white line and a ground wire, is connected with a resistance between white line and the ground wire. The direct current cable assembly has the advantages of improving safety, tensile property and protective property and the like.

Description

Direct current cable assembly

Technical Field

The utility model relates to a direct current cable technical field, especially a direct current cable subassembly.

Background

The direct current cable is a power cable used in a direct current transmission and distribution system. Dc cables operate with electrical characteristics that are different from those of ac. The direct current cable is mainly used for a long-distance submarine cable line. The direct current cable can transmit power in large capacity in long distance, and is mainly applied to submarine cables and underground cables for supplying power to large cities. Over the last 20 years, the use of dc transmission has been greatly developed, and dc cables are used in many projects.

The cable stripping end of a common cable has no protection performance and is not suitable for being installed and used in places with connection direction requirements.

To this end, we have developed a dc cable assembly to solve the above disadvantages.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose provides a direct current cable subassembly in order to overcome prior art not enough, has the improvement security, improves tensile properties and improves advantages such as barrier propterty.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a direct current cable assembly comprises a cable, wherein a 4P main body is arranged at one end of the cable, a red line, a black line, a white line and a ground line are arranged at the other end of the cable, and a resistor is connected between the white line and the ground line;

the cable is sequentially provided with a first copper ring, a protective sleeve, a first sleeve, a plastic shell, a plumb bob, a second copper ring and a second sleeve in a penetrating manner, a first forming pressure head is arranged between the second copper ring and the second sleeve, a label is arranged on the cable between the protective sleeve and the first sleeve, a second forming pressure head is arranged on the outer side of the first copper ring, a third sleeve is sleeved on the resistor, a fourth sleeve is sleeved on the third sleeve and the ground wire, and a fifth sleeve is sleeved at one end of the ground wire;

the cable is internally provided with a first wire harness component, a second wire harness component, the white wire and a plurality of first cotton wires.

Preferably, the first harness assembly comprises a red line, a black line and an aluminum foil pipe, and the red line and the black line are arranged in the aluminum foil pipe.

Preferably, the second harness assembly includes the ground wire and a second cotton wire.

Preferably, the 4P body includes a first terminal, a second terminal, a third terminal and a fourth terminal in parallel.

Preferably, the first terminal is in pressure connection with the red wire, and a first wire stripping end is arranged at one end of the red wire far away from the first terminal.

Preferably, the second terminal is in pressure contact with the black line, and a second wire stripping end is arranged at one end of the black line far away from the second terminal.

Preferably, the third terminal is in pressure connection with the ground wire, and a third wire stripping end is arranged at one end of the ground wire far away from the third terminal.

Preferably, the fourth terminal is in pressure contact with the white wire, and a fourth wire stripping end is arranged at one end of the white wire far away from the fourth terminal.

Preferably, a cap is arranged at one end of the protective sleeve far away from the cable, and the cap is arranged at one end of the 4P main body.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

in the direct current cable assembly, the ground wire and the second cotton wire are integrated, so that the tensile strength of the ground wire is improved, and the safety is improved; a resistor is arranged between the white line and the ground line, so that the safety of the electrical connection of the 4P main body is improved; set up the counter weight, improve and mould the protection of shell to the wire stripping end.

Drawings

Fig. 1 is a schematic structural view of a dc cable assembly according to the present invention;

FIG. 2 is a schematic structural view of the utility model shown in FIG. 1 along direction A;

fig. 3 is a schematic structural diagram of a cross section of the cable of the present invention;

fig. 4 is a schematic diagram of a circuit connection structure of the dc cable assembly of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, a dc cable assembly includes a cable 1, a 4P body 2 is disposed at one end of the cable 1, and a red line 122, a black line 123, a white line 14, and a ground line 131 are disposed at the other end of the cable 1. A resistor 11 is connected between the white line 14 and the ground line 131.

The cable 1 is sequentially provided with a first copper ring 71, a protective sleeve 3, a first sleeve 10, a plastic shell 8, a plumb bob 9, a second copper ring 72 and a second sleeve 6-4 in a penetrating manner. A first forming pressure head 42 is arranged between the second copper ring 72 and the second sleeve 6-4. A first forming ram 42 is provided at the outer jacket stripping end of the cable 1 for stress relieving the cable 1. A label 5 is arranged on the cable 1 between the protective sleeve 3 and the first sleeve 10. A cap 31 is arranged at one end of the protective sleeve 3 far away from the cable 1. A cap 31 is provided to cover one end of the 4P body 2, and the cap 31 is provided to cover one end of the 4P body 2 when not in use. The outer side of the first copper ring 71 is provided with a second forming pressure head 41. The resistor 11 is sleeved with a third sleeve 6-3. The third sleeve 6-3 and the ground wire 131 are sleeved with a fourth sleeve 6-2. One end of the ground wire 131 is sleeved with a fifth sleeve 6-1, and the wire stripping end is protected by the fifth sleeve 6-1. A second profiled crimp 41 is provided at the junction of the 4P body 2 and the cable 1 for strain relief of the cable 1.

The cable 1 is internally provided with a first wire harness component 12, a second wire harness component 13, a white wire 14 and a plurality of first cotton wires 15, and the cotton wires 15 improve the tensile strength of the cable 1.

The first wire harness assembly 12 includes a red wire 122, a black wire 123 and an aluminum foil tube 121. The aluminum foil tube 121 is internally provided with a red line 122 and a black line 123.

In order to improve the grounding safety of the ground wire 131, the second wire harness 13 includes a ground wire 131 and a second cotton wire 132.

The 4P main body 2 includes a first terminal 21, a second terminal 22, a third terminal 23 and a fourth terminal 24 in parallel. The first terminal 21 is crimped with the red wire 122. A first wire stripping end is arranged at one end of the red wire 122 far away from the first terminal 21. The second terminal 22 is pressed against the black line 123. A second wire stripping end is provided at an end of the black wire 123 remote from the second terminal 22. The third terminal 23 is crimped to the ground 131. A third wire stripping end is arranged at one end of the ground wire 131 far away from the third terminal 23. The fourth terminal 24 is crimped to the white line 14. A fourth wire stripping end is provided at an end of the white wire 14 away from the fourth terminal 24.

The 4P main body 2 is inserted with an external power supply connector, the plumb bob 9 is pressed on the first forming pressure head 42 under the action of gravity, the plastic shell 8 covers the plumb bob 9 and protects the wire stripping end of the cable 1, and the ground wire 131, the red wire 122 and the black wire 123 are connected to an external device.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. A dc cable assembly, comprising: the cable comprises a cable, wherein a 4P main body is arranged at one end of the cable, a red line, a black line, a white line and a ground line are arranged at the other end of the cable, and a resistor is connected between the white line and the ground line;

2. The dc cable assembly of claim 1, wherein the first harness assembly comprises the red wire, the black wire, and an aluminum foil tube, the aluminum foil tube containing the red wire and the black wire.

3. The dc cable assembly of claim 1, wherein the second harness assembly includes a ground wire and a second cotton wire.

4. The dc cable assembly of claim 1, wherein the 4P body includes a first terminal, a second terminal, a third terminal, and a fourth terminal in parallel.

5. The dc cable assembly of claim 4, wherein the first terminal is crimped with the red wire, and a first wire stripping end is provided at an end of the red wire remote from the first terminal.

6. The DC cable assembly of claim 4, wherein the second terminal is crimped with the black wire, the black wire having a second stripped end at an end of the black wire distal from the second terminal.

7. The dc cable assembly of claim 4, wherein the third terminal is crimped to the ground wire, and a third wire stripping end is provided at an end of the ground wire remote from the third terminal.

8. The DC cable assembly of claim 4, wherein the fourth terminal is crimped with the white wire, the white wire having a fourth wire stripped end at an end thereof remote from the fourth terminal.

9. The dc cable assembly of claim 1, wherein the protective boot includes a cap at an end remote from the cable, the cap being disposed at an end of the 4P body.