Color-changeable cable intermediate joint

Abstract

The utility model discloses a color-changeable cable intermediate joint, which comprises an inner joint assembly and an outer joint assembly, the protective shell is arranged on the outer side of the inner connector assembly, and packaging liquid is stored in the protective shell; the color changing layer is arranged on the outer side of the protective shell; the inner joint assembly comprises a conductive slurry storage device which is internally provided with conductive slurry; the two rotatable packaging devices are respectively arranged at the left end and the right end of the conductive slurry storage device; the two wiring terminals are connected to the interior of the rotatable packaging device in a one-to-one correspondence manner; and the conductor of the cable is connected with the wiring terminal. According to the utility model, the wiring terminal is connected with the conductor of the cable, on the basis of satisfying the function of the intermediate joint, the external protective shell and the color-changing layer are arranged and are used for protecting internal components from being damaged by machinery and being influenced by the external environment, and the color-changing layer provides a visual troubleshooting means, so that the service life of the intermediate joint is prolonged. The health degree can be judged in time in the inspection process, and the safety of the cable intermediate joint in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable intermediate joint technical field, specifically, relate to a variable color cable intermediate joint. BACKGROUND

[0002] With the development of our country economy and science and technology, the increase of population density, the population in the building is more and more dense, and the power consumption increases, therefore the safety requirement of cable in use is continuously improved.But the joint exists inevitably in the laying process of cable, and the cable intermediate joint plays an important role in the power system, they are the key components for ensuring the smooth cable line, maintaining the cable sealing and guaranteeing the insulation level at the joint, thereby enabling the safe and reliable operation of cable.But the cable intermediate joint is the weak link in the cable system, due to the complex construction environment, material aging, external damage and other reasons, it is easy to become the fault high point.And the cable intermediate joint can only be found by artificial patrol and inspection, which increases the security risk.

[0003] In order to realize the safe entry of cable, ensure that the cable is used in the process, and realize the safety monitoring of the joint in all directions and visualization, a series of security risks caused by the failure of cable intermediate joint can be avoided. UTILITY MODEL CONTENT

[0004] In view of the problem that the above-mentioned cable intermediate joint easily brings security risk, the utility model provides a variable color cable intermediate joint, which can judge the current health condition according to the different colors shown under different temperature conditions during use, so as to find the security risk in time.

[0005] In order to realize the above-mentioned purpose, the utility model provides a variable color cable intermediate joint, which comprises:

[0006] Inner joint assembly;

[0007] Protective shell, which is arranged on the outer side of the inner joint assembly, and the protective shell contains encapsulating liquid;

[0008] Color changing layer, which is arranged on the outer side of the protective shell;

[0009] The inner joint assembly comprises:

[0010] Conductive paste storage device, which has conductive paste inside;

[0011] Two rotatable encapsulating devices, which are arranged on the left and right ends of the conductive paste storage device respectively;

[0012] Two wire terminals, which are connected to the inside of the rotatable encapsulating device one by one;

[0013] a cable, a conductor of the cable being connected with the terminal.

[0014] The utility model discloses a cable intermediate joint, through the terminal of both ends for connecting the conductor of cable, including but not limited to the mode of crimping or welding connects the conductor of cable with the conductor of joint, on the basis of satisfying the function of intermediate joint, set up the protective housing and the color change layer of outside, for protecting internal component from mechanical damage and the influence of external environment, and the color change layer provides a visual intuitive troubleshooting means, can find in time, judge the health degree in time in the tour inspection, improve the security in the use process of cable intermediate joint.

[0015] Further, the protective shell is an explosion-proof protective shell.

[0016] Further, the rotatable packaging device is a spiral telescopic structure, and the end portion can be extracted.

[0017] Further, the terminal is screwed with the inner wall of the rotatable packaging device. The beneficial effect of the present step is that the rotatable packaging device can adjust the position of the terminal according to the length of the cable joint, so that the terminal can completely and tightly fix the conductor of the cable, realizing convenient installation.

[0018] Further, the terminal has a cold shrink protective sleeve on the outside. The cold shrink protective sleeve is mainly used for isolating the conductor in the cable to prevent electromagnetic leakage and short circuit, protect the internal circuit of the joint from electromagnetic interference, and also protect the surrounding environment from electromagnetic radiation of the joint.

[0019] Through the above technical solution, the utility model realizes the following beneficial effects:

[0020] 1. In the utility model, the terminals at both ends are used to connect the conductor of the cable, including but not limited to the mode of crimping or welding to connect the conductor of the cable with the conductor of the joint, on the basis of satisfying the function of intermediate joint, the protective housing and the color change layer are set up, which are used to protect the internal components from mechanical damage and the influence of external environment, and the color change layer provides a visual intuitive troubleshooting means, which can find in time, judge the health degree in time in the tour inspection, improve the security in the use process of cable intermediate joint.

[0021] 2. In the utility model, the rotatable packaging device drives the terminal to move, and continues to move through the compression of the conductive paste storage device, so that the conductive paste flows out and fills between the two terminals, increases the contact area, and ensures that the two terminals are in full contact.

[0022] 3, the utility model discloses a rotatable packaging device makes the terminal tightly contact and pulls out its end simultaneously, and the packaging liquid in the protection shell is prevented from flowing out, and the rotatable packaging device is fixed seamlessly on the outside of the cable of joint, so that it has the characteristics of air isolation, moistureproof and the like. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a color-variable cable intermediate joint provided by the utility model embodiment.

[0024] EXPLANATION OF REFERENCE NUMERALS

[0025] 1 inner joint assembly, 2 protection shell, 3 color-variable layer, 4 conductive paste storage device, 5 rotatable packaging device, 6 terminal, 7 cable. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model will be described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0027] First of all, it needs to be pointed out that in the following description, some orientation words such as "outer", "inner", "left", "right" and the like involved in the technical scheme of the utility model for the purpose of clearly explaining the utility model have the meanings possessed by analogy according to the normal orientation of parts of the cable, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or suggestive of the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] In the description of the utility model, it needs to be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be direct connection, can also be indirect connection through an intermediate medium, can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Embodiment 1

[0030] As Figure 1As shown, the variable color cable intermediate joint provided by the embodiment includes: an inner joint assembly 1; a protective shell 2 arranged outside the inner joint assembly 1, and the protective shell 2 internally stores encapsulation liquid; a color-changing shell 3 arranged outside the protective shell 2; the inner joint assembly 1 includes: a conductive paste storage device 4 internally having conductive paste; two rotatable encapsulation devices 5 respectively arranged at left and right ends of the conductive paste storage device 4; two wiring terminals 6 correspondingly connected to the inside of the rotatable encapsulation devices 5; and a cable 7, a conductor of the cable 7 being connected with the wiring terminals 6.

[0031] Specifically, the protective shell 2 is an explosion-proof protective shell, which is used to protect the internal devices from mechanical damage and external environment.

[0032] Specifically, the rotatable encapsulation device 5 is a spiral telescopic structure, and the end part can be pulled out.

[0033] Specifically, the wiring terminal 6 is threadedly connected with the inner wall of the rotatable encapsulation device 5. The rotatable encapsulation device 5 can adjust the position of the wiring terminal 6 according to the length of the cable joint, so that the wiring terminal 6 can completely and tightly fix the conductor of the cable 7, and convenient installation is realized.

[0034] Specifically, the outer side of the wiring terminal 6 has a cold shrink protective sleeve, which is an insulator with a shielding layer. The cold shrink protective sleeve is mainly used to isolate the conductor in the cable to prevent electromagnetic leakage and short circuit, protect the internal circuit of the joint from electromagnetic interference, and also protect the surrounding environment from electromagnetic radiation of the joint.

[0035] The use process of the variable color cable intermediate joint of the embodiment is as follows:

[0036] (1) The conductors of the cable 7 are connected through the wiring terminals 6 at both ends, including but not limited to crimping or welding, and the rotatable encapsulation device 5 adjusts the position of the wiring terminal 6 according to the length of the cable joint, so that the wiring terminal 6 can completely and tightly fix the conductor of the cable 7, and convenient installation is realized.

[0037] (2) The rotatable encapsulation device 5 continues to rotate to drive the two wiring terminals 6 to move towards the middle, then compresses the conductive paste storage device 4, so that the conductive paste flows out and fills between the two wiring terminals 6, increases the contact area, and ensures that the two wiring terminals 6 are in full contact.

[0038] (3) After the rotatable encapsulation device 5 makes the wiring terminals 6 in close contact, the end part is pulled out, and the encapsulation liquid in the protective shell 2 flows out, which seamlessly fixes the rotatable encapsulation device 5 outside the two ends of the joint cable 7, so that it has the characteristics of air isolation and moisture resistance.

[0039] The variable color cable intermediate joint of the embodiment of the application sets the external protective shell 2 and the color changing layer 3 on the basis of meeting the function of the intermediate joint, is used for protecting the internal components from mechanical damage and the influence of the external environment, and the color changing layer 3 provides a visual and intuitive troubleshooting method, can change the color according to the actual use of the cable, avoids information error in the inspection process, and improves the safety in the use process of the cable intermediate joint.

[0040] In the description of the utility model, a large number of specific details are explained. However, it can be understood that the embodiments of the utility model can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of the present description.

[0041] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model, and they should be covered in the scope of the claims and the description of the utility model.

Claims

1. A variable color cable splice, comprising: The utility model relates to a kind of inner joint assembly (1);Protective shell (2) is arranged in the outer side of the inner joint assembly (1), and the protective shell (2) has encapsulating liquid inside;Color-changing layer (3) is arranged in the outer side of the protective shell (2);The inner joint assembly (1) includes: electrically conductive paste storage device (4) has electrically conductive paste inside;Two rotatable encapsulating devices (5) are respectively arranged in the left and right ends of the electrically conductive paste storage device (4);Two wiring terminals (6) are connected to the inside of the rotatable encapsulating device (5) one by one;Cable (7), the conductor of the cable (7) is connected with the wiring terminal (6). The protective shell (2) is an explosion-proof protective shell. The rotatable encapsulating device (5) is a spiral telescopic structure, and the end part can be pulled out. The wiring terminal (6) is threadedly connected with the inner wall of the rotatable encapsulating device (5). The outer side of the wiring terminal (6) has a cold shrink protective sleeve. ​ ​ ​ ​ 2. The multi-colored cable intermediate joint of claim 1, wherein, ​ 3. The multi-colored cable intermediate joint of claim 1, wherein, ​ 4. The variable color cable splice of claim 3, wherein, ​ 5. The multi-colored cable intermediate joint of claim 1, wherein, ​

Images