CN117767194A - Underwater junction box and wiring method thereof - Google Patents

Underwater junction box and wiring method thereof Download PDF

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Publication number
CN117767194A
CN117767194A CN202311796432.3A CN202311796432A CN117767194A CN 117767194 A CN117767194 A CN 117767194A CN 202311796432 A CN202311796432 A CN 202311796432A CN 117767194 A CN117767194 A CN 117767194A
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CN
China
Prior art keywords
junction box
cable
insulating
insulating sheath
wiring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311796432.3A
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Chinese (zh)
Inventor
赵伟龙
李建华
徐程
李星
李连颖
张文涛
童宇奇
陈波波
钱磊
苏梓涵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Hengda Jianghai Pump Co Ltd
Original Assignee
Hefei Hengda Jianghai Pump Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Hengda Jianghai Pump Co Ltd filed Critical Hefei Hengda Jianghai Pump Co Ltd
Priority to CN202311796432.3A priority Critical patent/CN117767194A/en
Publication of CN117767194A publication Critical patent/CN117767194A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Connection Or Junction Boxes (AREA)

Abstract

The invention discloses an underwater junction box, which relates to the technical field of junction boxes and comprises a junction plate, wherein two sides of the junction plate are detachably and symmetrically provided with a cylinder body, the other end of the cylinder body is detachably provided with a junction box gland, the junction box gland is provided with an opening for penetrating a cable, and the junction plate, the cylinder body and the junction box gland are enclosed to form a cavity; the wire connecting plate is uniformly provided with a plurality of jacks for inserting an insulating sheath, a conducting rod is inserted in the insulating sheath, and connectors for connecting the wire connecting terminals are respectively arranged at two ends of the conducting rod; the wiring terminals are connected with copper cores in the cable in a one-to-one correspondence manner; through setting up terminal box whole symmetry, when making the inside water that fills of cavity of terminal box, can effectively guarantee the pressure balance inside and outside the terminal box, the position of terminal box is more firm, avoids receiving the pressure influence and float and then lead to the fact the tractive in water to the cable, applicable insulating sheath 500 meters under water has effectively solved the butt joint difficult problem under water.

Description

Underwater junction box and wiring method thereof
Technical Field
The invention relates to the technical field of junction boxes, in particular to an underwater junction box and a wiring method thereof.
Background
The junction box is one of the electrician auxiliary materials and is used for electrically connecting two cables, and the two cables are connected in the junction box to protect the electric wires and connect the electric wires.
In underwater operation, the cable connection needs to be connected through an underwater junction box; in the prior art, an underwater junction box is often made of a material with good sealing performance, water does not enter the junction box, and the junction box is used for protecting the joint of two cables from water contact to cause faults; however, when the junction box is placed in water, the junction box is stressed unevenly to generate floating due to the fact that the inside of the junction box is in a hollow state and the outside of the junction box receives water pressure, the junction box is positioned and unstable, the cable is easily pulled, and the cable is easily damaged. Meanwhile, when the junction box is in a hollow state and is submerged deeply, water enters the junction box due to excessive internal and external pressure difference, so that the original electrical insulation is damaged, and the electrical connection fault is caused.
Disclosure of Invention
The invention aims to provide an underwater junction box and a wiring method thereof, which solve the following technical problems:
how to improve the stability of the underwater junction box.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an underwater junction box, includes the wiring dish, the barrel has been laid to detachable symmetry in wiring dish both sides, the other end of barrel is detachably equipped with the junction box gland, set up the opening that is used for wearing the cable plug on the junction box gland, the wiring dish encloses with barrel and junction box gland and closes and form the cavity;
the wire connecting plate is uniformly provided with a plurality of jacks for inserting an insulating sheath, a conductive rod is inserted into the insulating sheath, and connectors for connecting the wire connecting terminals are respectively arranged at two ends of the conductive rod; the wiring terminals are connected with copper cores in the cable in a one-to-one correspondence manner; the copper core of the cable and the outer part of the insulating sheath are wound with an insulating self-adhesive material layer.
In a further aspect of the invention: a plurality of grooves are formed in the outer wall of the insulating sheath, and the insulating self-adhesive material layer is firmly attached to the insulating sheath.
In a further aspect of the invention: the depth of the groove is 0.5-1mm.
In a further aspect of the invention: the cable outer wall is provided with a notch, an extrusion-preventing mechanism is wound at the notch, and one end of the extrusion-preventing mechanism is propped against the inner side of the junction box pressure cover.
In a further aspect of the invention: the diameter of the extrusion preventing mechanism is larger than the inner diameter of the junction box gland opening.
In a further aspect of the invention: the diameter of the extrusion preventing mechanism is 5-10mm larger than the inner diameter of the junction box gland opening.
In a further aspect of the invention: the connector is equipped with semicircle column type notch with binding post interconnect's one end, and the connector passes through two semicircle column type notch detachable connection with binding post.
A wiring method based on an underwater junction box as described above, comprising the steps of:
(1) Taking a plurality of groups of insulating sheaths and conducting rods, and respectively performing the following operations: inserting the conductive rod into the insulating sheath, inserting the insulating sheath and the conductive rod into the jack of the wiring disc, and fixing the insulating sheath; thereby realizing the installation of a plurality of groups of insulating sheaths and conducting rods;
(2) Taking two cables to be connected, and respectively performing the following operations: penetrating the wiring end of the cable into the opening from the outside of the junction box pressure cover, sleeving the barrel into the cable, removing copper cores of the wiring end of the cable, and fixedly mounting wiring terminals at the tail end of each copper core;
(3) Then the wiring terminals are fixedly connected with the corresponding connectors one by one, so that two cables are connected;
(4) Winding insulating materials outside each copper core and the insulating sheath corresponding to the copper cores and fixing the copper cores and the insulating sheaths by using adhesive tapes to form insulating self-adhesive material layers;
(5) Two cylinders are respectively arranged at two sides of the junction box pressure cover;
(6) Cutting a notch on the outer wall of the cable, and winding the self-adhesive tape at the notch until the diameter is larger than the inner diameter of the opening to form an extrusion preventing mechanism; then the junction box gland and the cylinder body are fixedly installed, so that the extrusion preventing mechanism is propped against the inner side of the opening of the junction box gland; from there, the entire wiring process for both cables is completed.
In a further aspect of the invention: the wiring disc is detachably connected with the cylinder body, the cylinder body and the junction box gland, the wiring disc is detachably connected with the insulating sheath, and the connector is detachably connected with the wiring terminal through the bolt assembly.
The invention has the beneficial effects that:
(1) According to the invention, the whole junction box is symmetrically arranged, so that when the inside of the cavity of the junction box is filled with water, the pressure balance inside and outside the junction box can be effectively ensured, the junction box is more stable in position, the junction box is prevented from floating in water due to the influence of pressure, and the cable is pulled, so that the junction box is applicable to 500 meters of an underwater insulating sheath, and the underwater butt joint problem is effectively solved.
(2) According to the invention, the extrusion preventing device is arranged on the cable, so that the cable can be placed in an out-of-position mode when the cable is pulled by external force, the length of the cable in the junction box is prevented from being changed, the cables at two ends in the junction box are distributed in a uniform state, the stability of the junction box is further improved, the junction box is balanced in water, and the junction box is prevented from shaking in water; meanwhile, the problem that the wire connection is interrupted due to the fact that the copper core is separated from the wiring terminal due to the fact that the cable is involved can be prevented.
(3) According to the wiring method, the whole wiring process is only required to be installed and connected through the bolt assembly, and welding is not required, so that time and labor are saved during disassembly, and convenience and rapidness are realized.
(4) The invention divides two ends of the wiring of the cable into two independent cavities, which is convenient for the respective disassembly and maintenance.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a land in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of an insulating sheath in embodiment 1 of the present invention;
fig. 4 is a schematic structural view of a conductive rod in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a connection terminal in embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of an extrusion preventing structure in embodiment 1 of the present invention;
FIG. 7 is a schematic view of the structure of embodiment 2 of the present invention;
fig. 8 is a schematic view of the structure of the junction box bucket in embodiment 2 of the present invention.
In the figure: 100. a junction box bucket; 200. a junction box gland; 201. a seal ring; 300. a cylinder; 400. a wiring board; 500. an insulating sheath; 501. a groove; 502. a layer of insulating self-adhesive material; 600. a conductive rod; 700. a connection terminal; 800. a cable; 900. an extrusion preventing mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-6, an embodiment of the invention is an underwater junction box, which comprises a junction disc 400, wherein a cylinder 300 is detachably and symmetrically arranged at two sides of the junction disc 400, a junction box gland 200 is detachably arranged at the other end of the cylinder 300, an opening for penetrating a cable 800 is formed in the junction box gland 200, the junction disc 400, the cylinder 300 and the junction box gland 200 are enclosed to form a symmetrical cavity, and the junction disc 400, the cylinder 300 and the junction box gland 200 are detachably connected through bolt assemblies.
The wiring disc 400 is uniformly provided with a plurality of jacks for inserting the insulating sheath 500, the number of the jacks is not particularly limited, and the jacks are customized according to the number of actual requirements, and mainly according to the number of copper cores of the cable 800; for example, in the embodiment of the present invention, the number of jacks is three; the insulating sheath 500 is detachably inserted into the jack, and in the embodiment of the invention, the insulating sheath 500 is fixed at the jack through a bolt assembly; a conductive rod 600 is inserted into the insulating sheath 500, and connectors 601 for connecting the wiring terminals 700 are respectively arranged at two ends of the conductive rod 600;
the wiring terminals 700 are connected with copper cores in the cable 800 in a one-to-one correspondence manner, the connecting ends of the wiring terminals 700 and the connecting heads 601 are respectively provided with a semicircular column-shaped notch, screw holes are formed in the planes of the semicircular column-shaped notches of the connecting heads 601, screw holes and bearing holes for installing bolt heads are also formed in the planes of the semicircular column-shaped notches of the wiring terminals 700, the connecting heads 601 are contacted with the end faces of the semicircular column-shaped notches of the wiring terminals 700, the screw holes and counter bores of the connecting heads are mutually corresponding, and the screw holes and counter bores penetrate through bolts to be fixed; when all the connection terminals 700 are correspondingly connected with the conductive rods 600, the two cables 800 are electrically connected.
Because of the large contact area between connector 601 and terminal 700, it is suitable for high current applications.
The copper core of the cable 800 is also in a connection state with the outside of the insulating sheath 500, an insulating self-adhesive material layer 502 is wound on the outer parts of the copper core and the insulating sheath, the insulating self-adhesive material layer 502 is made of insulating materials, for example, strip-shaped insulating foam or insulating rubber can be selected, the insulating materials are wrapped on the outer parts of the insulating sheath 500 and the copper core in a multi-layer manner, and the insulating self-adhesive material layer 502 is finally formed by fixing with adhesive tapes so as to prevent the cable 800 from contacting water due to damage at a certain place, and meanwhile, secondary protection is formed on the conducting rod 600; meanwhile, the outer surface of the insulating sheath 500 is further closely provided with the grooves 501, and the depth of the grooves 501 is 0.5-1mm, so that when the insulating material is wrapped outside the insulating sheath 500, the relative friction force between the insulating material and the insulating sheath 500 is increased, and the insulating material can be firmly adhered to the insulating sheath 500, so that the fixity of the insulating self-adhesive material layer 502 is stronger, and the insulating effect of the insulating self-adhesive material layer 502 can be enhanced.
Further, a notch is formed on the outer wall of the cable 800, and the shape of the notch is not particularly limited and only needs to meet the limit requirement, for example, in the embodiment of the invention, the shape of the notch is triangular; an extrusion preventing mechanism 900 is wound at the notch, and the diameter of the extrusion preventing mechanism 900 is 5-10mm larger than the inner diameter of the opening of the junction box gland 200; one end of the extrusion preventing mechanism 900 is propped against the inner side of the junction box gland 200; therefore, when the cable 800 is subjected to an external force, the extrusion preventing mechanism 900 is clamped inside the junction box gland 200, so that the cable 800 can be prevented from being pulled out or out of position, and the wiring of the cable 800 is ensured to be in a safe state.
Because the terminal box is wholly to be symmetrical setting, consequently, when the inside water that fills of cavity of terminal box, can effectively guarantee the inside and outside pressure balance of terminal box, the position of terminal box is more firm, avoids receiving the pressure influence and float and then lead to the fact the tractive to cable 800 in the aquatic, and applicable insulating sheath 500 meters under water has effectively solved the butt joint difficult problem under water.
Example 2
The embodiment of the invention discloses a wiring method of an underwater junction box based on embodiment 1, which comprises the following steps:
(1) Three sets of insulating sheath 500 and conductive rod 600 were taken, and the following operations were performed, respectively: the conductive rod 600 is inserted into the insulating sheath 500, the insulating sheath 500 is inserted into the insertion hole of the land 400, and the insulating sheath 500 is fixed using the bolt assembly; thereby realizing the installation of three groups of insulating sheaths 500 and conducting rods 600;
(2) Taking two cables 800 to be connected, respectively performing the following operations: penetrating the wiring end of the cable 800 into the opening from the outside of the junction box gland 200, sleeving the cylinder 300 into the cable 800, removing three strands of copper cores of the wiring end of the cable 800, and fixedly connecting the tail ends of six copper cores on the two cables 800 with the core groove of the wiring terminal 700;
(3) Aligning the cylindrical notch plane of each wiring terminal 700 with the cylindrical notch plane of the corresponding connector 601 to form an integral cylinder, penetrating screw holes and counter bores of the cylindrical notch planes with bolts so as to fixedly connect the wiring terminals 700 with the connectors 601, and connecting two cables 800 after the connection of six groups of wiring terminals 700 with the connectors 601 is completed;
(4) Winding insulating foam outside each copper core and the insulating sheath 500 corresponding to the copper cores and fixing the copper cores and the insulating sheath by using adhesive tapes to form an insulating self-adhesive material layer 502;
(5) Two cylinders 300 are respectively installed at both sides of the junction box gland 200;
(6) Cutting a triangular notch on the outer wall of the cable 800, and winding the self-adhesive tape at the notch until the diameter is 5-10mm larger than the inner diameter of the opening to form an extrusion preventing mechanism 900; then, the junction box gland 200 and the barrel 300 are fixedly installed, so that the extrusion preventing mechanism 900 is propped against the inner side of the opening of the junction box gland 200; from there, the entire wiring process for both cables 800 is completed.
It should be noted that the sequence of the above wiring steps is not limited, and can be adjusted according to the situation on the premise of realizing the purpose of wiring.
The whole wiring process only needs to be installed and connected through the bolt assembly without welding, so that time and labor are saved during disassembly, and the wiring process is convenient and quick.
Example 3
Referring to fig. 7-8, an underwater junction box is disclosed in the embodiment of the present invention, and the embodiment of the present invention is different from embodiment 1 only in that: still be equipped with sealing mechanism respectively in the opening outside of two terminal box gland 200, sealing mechanism includes terminal box fill 100 and sealing washer 201, and terminal box fill 100 is equipped with an L type step with the one end that terminal box gland 200 is connected, and the opening part outside of terminal box gland 200 also is equipped with an L type step, and terminal box fill 100's link wears to locate terminal box gland 200, and terminal box fill 100's L type step and terminal box gland 200 outer end block, and can be through the detachable connection of bolt assembly.
Meanwhile, an annular cavity is formed between the connecting end of the junction box bucket 100 and the L-shaped step of the junction box gland 200, the sealing ring 201 is installed in the annular cavity, and the cable 800 penetrates through the junction box bucket 100, the sealing ring 201 and the opening of the junction box gland 200, wherein the sealing ring 201 can form sealing protection for the cable 800.
Further, the opening of the junction box bucket 100 is provided with a bolt assembly for fixing the cable 800 on the junction box bucket 100, thereby enhancing the fixation of the cable and avoiding the stress of the cable.
Example 4
The embodiment of the invention discloses a wiring method of an underwater junction box based on embodiment 3, which comprises the following steps:
(1) Three sets of insulating sheath 500 and conductive rod 600 were taken, and the following operations were performed, respectively: the conductive rod 600 is inserted into the insulating sheath 500, the insulating sheath 500 is inserted into the insertion hole of the land 400, and the insulating sheath 500 is fixed using the bolt assembly; thereby realizing the installation of three groups of insulating sheaths 500 and conducting rods 600;
(2) Taking two cables 800 to be connected, respectively performing the following operations: penetrating the wiring end of the cable 800 into the opening of the junction box bucket 100 from the outside, penetrating the sealing ring 201, then covering the opening of the junction box cover 200, and finally sleeving the barrel 300 into the cable 800; removing three strands of copper cores of the wiring ends of the cables 800, and fixedly connecting the tail ends of six copper cores on the two cables 800 with core grooves of the wiring terminals 700;
(3) Aligning the cylindrical notch plane of each wiring terminal 700 with the cylindrical notch plane of the corresponding connector 601 to form an integral cylinder, penetrating screw holes and counter bores of the cylindrical notch planes with bolts so as to fixedly connect the wiring terminals 700 with the connectors 601, and connecting two cables 800 after the connection of six groups of wiring terminals 700 with the connectors 601 is completed;
(4) Winding insulating foam outside each copper core and the insulating sheath 500 corresponding to the copper cores and fixing the copper cores and the insulating sheath by using adhesive tapes to form an insulating self-adhesive material layer 502;
(5) Two cylinders 300 are respectively installed at both sides of the junction box gland 200;
(6) Cutting a triangular notch on the outer wall of the cable 800, and winding the self-adhesive tape at the notch until the diameter is 5-10mm larger than the inner diameter of the opening to form an extrusion preventing mechanism 900; then, the junction box gland 200 and the barrel 300 are fixedly installed, so that the extrusion preventing mechanism 900 is propped against the inner side of the opening of the junction box gland 200;
(7) Sliding the sealing ring 201 onto the L-shaped step of the junction box gland 200 along the cable 800, then sliding the junction box bucket 100 towards the junction box gland 200 along the cable 800, clamping the L-shaped step on the junction box bucket 100 with the outer end of the junction box gland 200, and fixing the junction box bucket 100 and the junction box gland 200 by using the bolt assembly, wherein the sealing ring 201 is extruded in the annular cavity and tightly surrounds the cable 800; from there, the entire wiring process for both cables 800 is completed.
It should be noted that the sequence of the above wiring steps is not limited, and can be adjusted according to the situation on the premise of realizing the purpose of wiring.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the disclosure is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims (9)

1. The underwater junction box is characterized by comprising a junction disc (400), wherein two sides of the junction disc (400) are detachably and symmetrically provided with a cylinder body (300), the other end of the cylinder body (300) is detachably provided with a junction box gland (200), an opening for penetrating a cable (800) is formed in the junction box gland (200), and the junction disc (400), the cylinder body (300) and the junction box gland (200) are enclosed to form a cavity;
the wire connecting plate (400) is uniformly provided with a plurality of jacks for inserting an insulating sheath (500), a conducting rod (600) is inserted into the insulating sheath (500), and connectors (601) for connecting the wire connecting terminals (700) are respectively arranged at two ends of the conducting rod (600);
the wiring terminals (700) are connected with copper cores in the cable (800) in a one-to-one correspondence manner; a copper core of the cable (800) and the outer part of the insulating sheath (500) are wound with an insulating self-adhesive material layer (502).
2. The underwater junction box according to claim 1, characterized in that the outer wall of the insulating sheath (500) is provided with a plurality of grooves (501) for cooperating with the insulating self-adhesive material layer (502).
3. The underwater junction box according to claim 1, wherein a notch is formed in the outer wall of the cable (800), an extrusion-preventing mechanism (900) is wound around the notch, and one end of the extrusion-preventing mechanism (900) is abutted against the inner side of the junction box gland (200).
4. A subsea junction box according to claim 3, characterized in that the diameter of the extrusion preventing mechanism (900) is larger than the inner diameter of the junction box gland (200) at the opening.
5. The underwater junction box according to claim 1, wherein the ends of the connection head (601) and the connection terminal (700) connected with each other are provided with semi-cylindrical recesses, and the connection head (601) and the connection terminal (700) are detachably connected through the two semi-cylindrical recesses.
6. The subsea junction box according to claim 2, characterized in that the depth of the groove (501) is 0.5-1mm.
7. The subsea junction box according to claim 4, characterized in that the diameter of the extrusion preventing mechanism (900) is 5-10mm larger than the inner diameter of the junction box gland (200) at the opening.
8. A wiring method based on the underwater junction box as claimed in any one of claims 1 to 7, characterized by comprising the steps of:
(1) Taking a plurality of groups of insulating sheaths (500) and conducting rods (600), and respectively performing the following operations: inserting the conducting rod (600) into the insulating sheath (500), inserting the insulating sheath (500) together with the conducting rod (600) into the jack of the wiring board (400), and fixing the insulating sheath (500); thereby realizing the installation of a plurality of groups of insulating sheaths (500) and conducting rods (600);
(2) Taking two cables (800) to be connected, and respectively performing the following operations: penetrating the wiring end of the cable (800) into the opening from the outside of the junction box gland (200), sleeving the barrel (300) into the cable (800), removing copper cores of the wiring end of the cable (800), and fixedly installing a wiring terminal (700) at the tail end of each copper core;
(3) The connecting terminals (700) are fixedly connected with the corresponding connectors (601) one by one, so that the two cables (800) are connected;
(4) Winding insulating materials outside each copper core and the insulating sheath (500) corresponding to the copper cores and fixing the copper cores by using adhesive tapes to form an insulating self-adhesive material layer (502);
(5) Two cylinders (300) are respectively arranged at two sides of the junction box gland (200);
(6) Cutting a notch on the outer wall of the cable (800), and winding the self-adhesive tape at the notch until the diameter is larger than the inner diameter of the opening to form an extrusion preventing mechanism (900); then, the junction box gland (200) and the cylinder body (300) are fixedly installed, so that the extrusion preventing mechanism (900) is propped against the inner side of the opening of the junction box gland (200); the overall wiring process for both cables (800) is completed.
9. The method of claim 8, wherein the splice tray (400) is removably connected to the barrel (300), the barrel (300) to the splice box cover (200), the splice tray (400) to the insulating jacket (500), and the connector (601) to the terminal (700) by a bolt assembly.
CN202311796432.3A 2023-12-25 2023-12-25 Underwater junction box and wiring method thereof Pending CN117767194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311796432.3A CN117767194A (en) 2023-12-25 2023-12-25 Underwater junction box and wiring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311796432.3A CN117767194A (en) 2023-12-25 2023-12-25 Underwater junction box and wiring method thereof

Publications (1)

Publication Number Publication Date
CN117767194A true CN117767194A (en) 2024-03-26

Family

ID=90312197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311796432.3A Pending CN117767194A (en) 2023-12-25 2023-12-25 Underwater junction box and wiring method thereof

Country Status (1)

Country Link
CN (1) CN117767194A (en)

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