WO2024135946A1 - Connecteur pour connexion sous-marine - Google Patents

Connecteur pour connexion sous-marine Download PDF

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Publication number
WO2024135946A1
WO2024135946A1 PCT/KR2023/003928 KR2023003928W WO2024135946A1 WO 2024135946 A1 WO2024135946 A1 WO 2024135946A1 KR 2023003928 W KR2023003928 W KR 2023003928W WO 2024135946 A1 WO2024135946 A1 WO 2024135946A1
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WO
WIPO (PCT)
Prior art keywords
insulator
connector
protruding portion
pins
protruding
Prior art date
Application number
PCT/KR2023/003928
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English (en)
Korean (ko)
Inventor
전영식
Original Assignee
전영식
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 전영식 filed Critical 전영식
Publication of WO2024135946A1 publication Critical patent/WO2024135946A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/86—Parallel contacts arranged about a common axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the present invention relates to a connector, and more specifically to a connector for connection under water.
  • Devices used in deep seas such as submarines and underwater drones, use connectors for communication and device control. These devices used in the deep sea are equipped with various sensors and communication equipment, and these sensors and communication equipment may need to be connected through connectors underwater.
  • connectors for devices used in the deep sea require excellent waterproof performance and a structure that can operate normally even under high pressure in the deep sea.
  • connection between connectors when connections between connectors are made underwater, penetration of moisture at the connection area is unavoidable, and it is important to design connectors for underwater connection to minimize the impact of infiltrated moisture. In addition, since the connection between connectors is performed underwater, the operator must perform the connection with limited visibility.
  • Embodiments of the present invention propose a connector for underwater connection and a manufacturing method thereof that can maintain good insulation between multiple pins even when connected underwater.
  • embodiments of the present invention propose a connector for underwater connection and a method of manufacturing the same that can prevent misconnection by workers and minimize the influence of water pressure.
  • a first insulator in which a plurality of holes are formed; a plurality of pins inserted into each of the plurality of holes; A second insulator formed outside the first insulator, wherein the first insulator includes a protruding portion that additionally protrudes from a predetermined point of the first insulator and a non-protruding portion that does not protrude from the predetermined point, and the non-protruding portion
  • the pins inserted into the formed holes are provided with connectors for underwater connection that protrude from the non-protruding portion.
  • Rubber is coupled to the sides of the pins protruding from the non-protruding portion.
  • the rubber coupled to the sides of the pins protruding from the non-protruding portion has a tapered structure whose diameter increases as the distance from the ends of the protruding pins increases.
  • Rubber is bonded to the surface of the non-protruding portion, and rubber is not bonded to the surface of the protruding portion.
  • the terminal ends of the pins protruding from the non-protruding portion have a + structure, the terminal ends of the pins inserted into the holes of the protruding portion have a ⁇ structure, and the pins inserted into the holes of the protruding portion do not protrude from the first insulator.
  • a preset portion of the side of the pin is subjected to surface treatment before the rubber is combined.
  • the surface treatment includes roughening the surface and then applying a surface treatment solution.
  • the non-protruding portion of the first insulator contacts the protruding portion of the mating connector, the protruding portion contacts the non-protruding portion of the mating connector and is coupled to the mating connector, and the pin protruding from the non-protruding portion is connected to a hole formed in the protruding portion of the mating connector. is inserted into
  • the first insulator is made of plastic, and the second insulator is made of rubber.
  • a method of manufacturing a connector for an underwater connection including the step (d) of coupling a second insulator to the outside of the first insulator.
  • good insulation between a plurality of pins can be maintained even when connected underwater, and there is an advantage in preventing misconnection by workers and minimizing the influence of water pressure.
  • FIG. 1 is a view showing the appearance of a connector for underwater connection according to an embodiment of the present invention.
  • Figure 2 is an exploded view of a connector for underwater connection according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view of two underwater connectors combined according to an embodiment of the present invention.
  • Figure 4 is a view showing an area where surface treatment is performed on a first insulator according to an embodiment of the present invention.
  • Figure 5 is a view showing the surface treatment area of a pin according to an embodiment of the present invention.
  • Figure 6 is a view showing a state in which rubber is coupled to a pin according to an embodiment of the present invention.
  • Figure 7 is a diagram showing the results of combining rubber with a combination of a first insulator and a pin according to an embodiment of the present invention.
  • Figure 8 is a perspective view from another perspective showing the result of combining rubber with a combination of a first insulator and a pin according to an embodiment of the present invention.
  • Figure 9 is a diagram showing a state before combining the pins of the underwater connector with the pins of the counterpart connector according to an embodiment of the present invention.
  • Figure 10 is a diagram showing a state in which the pins of two underwater connectors are connected according to an embodiment of the present invention.
  • Figure 11 is a flow chart showing the overall flow of the underwater connector manufacturing method according to an embodiment of the present invention.
  • Figure 1 is a diagram showing the appearance of a connector for underwater connection according to an embodiment of the present invention.
  • first underwater connection connector 100 and the second underwater connection connector 110 are connectors that are connected to each other underwater, all of which are according to the present invention. It is a connector that falls into the category of. For convenience of explanation, the description will be made below using the first underwater connection connector as an example. However, the first underwater connection connector 100 and the second underwater connection connector 110 differ only in the shape of the housing. This is a connector for underwater connection that falls within the scope of the invention.
  • the first underwater connection connector 100 has a plug end structure, and the second underwater connection connector 110 has a receptacle end structure, and the first crystal connection connector 100 has a second underwater connection connector 110. ), the connection between connectors takes place underwater.
  • a cable 130 may be connected to the ends of the first underwater connection connector 100 and the second underwater connection connector 110.
  • the underwater connection connector of the present invention can be used for connection between devices underwater, such as in the deep sea.
  • Figure 2 is a diagram showing an exploded view of a connector for underwater connection according to an embodiment of the present invention.
  • the connector for underwater connection includes a first insulator 300, a second insulator 200, and a plurality of pins 400.
  • the second insulator 200 surrounds the first insulator 300 and the plurality of pins 400 to protect the first insulator 300 and the plurality of fins 400.
  • the second insulator 200 is made of a rubber material.
  • the first insulator 300 functions to secure the plurality of pins 400, and insulation between the plurality of pins is primarily secured by the first insulator 300.
  • the first insulator 300 is made of a plastic material, and for example, an insulator made of a peak material may be used.
  • a plurality of holes are formed in the first insulator 300, and pins 400 are inserted into each hole and coupled thereto.
  • the first insulator 300 may have an overall cylindrical shape.
  • the connector for underwater connection of the present invention uses a double-structure insulator having a different material, and the first insulator 300 made of plastic including a peak is placed on the inside and the second insulator 200 made of rubber is placed on the outside. Position it.
  • the second insulator 200 is located on the outside to maintain a good watertight structure, and the first insulator 300 is located on the inside to minimize the effect on water pressure and minimize connector deformation due to water pressure. In this way, by using dielectrics of different materials, it is possible to improve the watertight structure and prevent damage to the connector due to water pressure.
  • the first insulator 300 is divided into a protruding part 300a and a non-protruding part 300b.
  • the protruding portion 300a protrudes while additionally extending from a predetermined point of the first insulator 300, and the non-protruding portion 300b no longer extends from a predetermined point of the first insulator 300.
  • the semicircular portion of the cylindrical first insulator protrudes to form a protruding portion 300a, and the semicircular portion no longer protrudes to form a non-protruding portion 300b.
  • dividing the first insulator into a protruding part 300a and a non-protruding part 300b is to ensure accurate connection with the counterpart connector during underwater connection and to ensure that corresponding pins are coupled to each other.
  • the first insulator of the mating connector connected to the connector shown in FIG. 2 is also divided into a protruding part and a non-protruding part, and the non-protruding part of the mating connector comes into contact with the protruding part 300a of the connector of FIG. 2, and the protruding part of the mating connector It comes into contact with the non-protruding portion 300b of the connector in FIG. 2. Accordingly, if the coupling angle between the connector and the counterpart connector that is coupled to it does not match, the coupling between the connectors itself does not occur. Connectors for underwater connections are joined underwater, so the operator joins the connectors with limited visibility, which may cause mismating, and connector damage may also occur due to mismating.
  • the mating connector in order to solve this problem, certain parts of the first insulator protrude and other parts do not, and the mating connector also has the same structure to prevent incorrect coupling by the operator. By preventing such misconnection, damage to the connector can be prevented and connection between corresponding pins can be achieved.
  • Figure 2 shows a structure in which a semicircular portion protrudes and the remaining semicircular portion does not protrude, but it will be obvious to those skilled in the art that the protruding area and the non-protruding area can be changed as needed.
  • the plurality of pins 400 are made of a metallic material and are inserted into and fixed to the holes of the first insulator 300. According to a preferred embodiment of the present invention, among the plurality of pins 400, the pins fixed to the protrusion 300a of the first insulator 300 have an end structure for connection to a mating connector. In addition, among the plurality of pins 400, the pins fixed to the non-protruding portion 300b of the first insulator 300 have a + terminal structure for connection to the mating connector.
  • the + structure refers to a structure in which the pin end protrudes
  • the - structure refers to a structure in which a groove is formed into which the protrusion of the + structure can be inserted.
  • the pins fixed to the non-protruding portion 300b of the first insulator 300 protrude from the non-protruding portion 300b so that the ends of the pins are exposed from the first insulator 300.
  • the ends of the pins fixed to the protruding portion 300a of the first insulator 300 are located inside the hole of the first insulator 300 and do not protrude from the first insulator.
  • Figure 3 is a cross-sectional view showing two underwater connectors combined according to an embodiment of the present invention.
  • FIG. 3 For convenience of explanation, only a cross-sectional view of the coupling structure of one pin is shown in FIG. 3.
  • the first insulator 300 and pin 400 located on the left are the first insulator 300 and pin 400 of the connector according to an embodiment of the present invention
  • the first insulator 300 located on the right -1) and the pin 400-1 are the first insulator 300-1 and the pin 400-1 of the mating connector.
  • the terminal end of the pin 400 protruding from the non-protruding portion 300b has a + structure.
  • the end of the pin 400-1 of the mating connector, which is connected to the pin 400 protruding from the non-protruding portion of the connector of the present invention has a - structure.
  • the pin 400 having a +-terminal end is coupled to the non-protruding portion 300b of the first insulator 300, protrudes from the non-protruding portion 300b, and is connected to the protruding portion 300a-1 of the counterpart connector. It is inserted into the formed hole.
  • the pin 400-1 of the mating connector is located in the hole inside the protrusion 300a-1 of the mating connector, and the pin 400 of the connector of the present invention is inserted into the groove of the pin of the mating connector 400-1. An electrical connection is made.
  • rubber 500 is coupled to a predetermined area of the pin 400 and the first insulator 300 body.
  • the area where the rubber is combined is indicated in black.
  • the rubber 500 is also coupled to the surface of the non-protruding portion 300b of the underwater connection connector of the present invention, and the rubber is not coupled to the surface of the protruding portion 300a.
  • the non-protruding portion 300b to which rubber is bonded to the surface, is coupled to the protruding portion 300a-1, to which the surface is not bonded to rubber, in the counterpart connector, and the protruding portion 300a, to which rubber is not bonded to the surface, is connected to the counterpart connector.
  • the connector it is coupled to the non-protruding portion 300b-1 to which rubber is bonded to the surface.
  • the hard part (the first insulator part to which the rubber is not coupled) and the non-hard part of the counterpart connector (the first insulator part to which the rubber is bonded to the surface) are coupled so that they come into contact with each other.
  • Figure 4 is a diagram showing an area where surface treatment is performed on the first insulator according to an embodiment of the present invention.
  • the protruding portion 300a and the non-protruding portion 300b of the first insulator 300 of the present invention can be seen more clearly.
  • surface treatment is performed on a partial area of the first insulator 300 in order to bond the rubber to the first insulator 300.
  • surface treatment includes roughening the surface treatment area and applying a surface treatment solution.
  • a method of spraying particles to roughen the surface may be used to roughen the surface treatment area.
  • a sand blast method may be used, but it is not limited thereto.
  • the surface treatment solution may be an adhesive solution capable of bonding rubber to the surface treatment area. More specifically, a silane-based solution may be used as a surface treatment solution, but is not limited thereto.
  • surface treatment is performed on the outer side of the first insulator 300 and the surface of the non-protruding portion 300b. However, no surface treatment is performed on the surface of the protrusion 300a. Holes for fixing a plurality of pins are formed in the first insulator 300, and surface treatment may also be performed inside the holes.
  • the purpose of surface treating the outer side of the first insulator 300 is to couple the second insulator 200 to the outside of the first insulator 300.
  • Figure 5 is a diagram showing the surface treatment area of a pin according to an embodiment of the present invention.
  • the surface treatment area of the fin is indicated in red.
  • the first end 400a has a + structure
  • the second end 400b has a hole cup structure for soldering.
  • a particularly important surface treatment is the surface treatment performed on the area adjacent to the first end 400a.
  • the first end 400a is a portion that is inserted into the hole of the first insulator 300-1 of the mating connector and comes into contact with the pin 400-1 of the mating connector.
  • Figure 6 is a diagram showing a state in which rubber is coupled to a pin according to an embodiment of the present invention.
  • the rubber 500 is coupled to the area adjacent to the first end 400a of the pin 400.
  • the rubber 500 coupled to the area adjacent to the first end 400a having the + structure preferably has a tapered structure whose diameter gradually widens.
  • the rubber 500 coupled to the area adjacent to the first end 400a has a small diameter near the first end 400a and increases in diameter as it moves away from the first end 400a.
  • the rubber 500 maintains a constant diameter from a certain point.
  • the rubber 500 coupled to the area adjacent to the first end 400a of the pin 400 is a part inserted into the hole of the first insulator of the counterpart connector, and can be easily inserted when it has a tapered structure. When completed, it fills the inside of the hole in the first insulator, preventing moisture introduced during joining from entering the pin joining point.
  • Figure 6 also shows rubber coupled to the first insulator and rubber coupled to other parts of the pin.
  • Figure 7 is a diagram showing the results of combining rubber with a combination of a first insulator and a pin according to an embodiment of the present invention.
  • the rubber 500b is coupled to the upper surface of the non-protruding portion 300b.
  • the upper surface of the non-protruding portion 300b is a portion that comes into contact with the protruding portion 300a-1 of the mating connector. Rubber 500b is bonded to the upper surface of the non-protruding portion 300b to prevent remaining moisture from destroying the insulation between pins.
  • the rubber 500a is also coupled to the side of the pin protruding from the non-protruding portion 300b to ensure insulation between the pins.
  • the pin protruding from the non-protruding portion 300b is inserted into a hole formed in the protruding portion of the mating connector, comes into contact with the pin of the mating connector, and is electrically connected to the pin of the mating connector.
  • the second insulator 200 is made of rubber to surround the side of the first insulator 300.
  • Figure 8 is a perspective view from another perspective of the result of combining rubber with a combination of a first insulator and a pin according to an embodiment of the present invention.
  • Figure 8 is a perspective view looking at the rear of the first insulator 300, and a rubber 500c is also coupled to the rear surface of the first insulator 300.
  • rubber 500d is also coupled to the side of the pin protruding from the rear surface of the first insulator 300.
  • the pins 400 protruding from the rear surface of the first insulator 300 may be coupled to the cable.
  • Combining the rubbers 500a, 500b, 500c, and 500d shown in FIGS. 7 and 8 and forming the second insulator 200 may be performed simultaneously.
  • a rubber heat press method may be used to bond the second insulator 200 and the first insulator 300 and to bond the rubber to the first insulator 300 and the pin 400.
  • the rubber heat press method is a method of inserting rubber into a molding machine and compressing it by applying heat to the rubber.
  • the surface-treated pin 400 is coupled to the surface-treated first insulator 300, and then the combined pin 400 and the first insulator 300 are placed inside the rubber heat press molding machine. and inject rubber into the rubber heat press molding machine.
  • the rubber heat press molding machine it is desirable for the rubber heat press molding machine to have a structure that includes a blocking film to prevent rubber from adhering to areas where rubber is not bonded.
  • the rubber is bonded to the surface treated area, and when the rubber heat press molding is completed, the state shown in FIG. 2 is achieved.
  • Figure 9 is a diagram showing a state before combining the pins of the underwater connector with the pins of the counterpart connector according to an embodiment of the present invention.
  • the terminal of the pin 400 of the first connector of the two connectors has a + structure
  • the terminal of the pin 400-1 of the second connector has a - structure
  • Rubber 500a is coupled to the side of the pin, where the terminal end of the pin has a + structure.
  • the pin 400 of the first connector is fixed to the first insulator 300, and the pin 400 of the first connector protrudes from the first insulator 300.
  • the pin 400-1 of the second connector is also fixed to the first insulator 300-1, and the pin 400-1 of the second connector is present in the hole of the first insulator 300-1. It does not protrude outside the hole of (300-1).
  • Figure 10 is a diagram showing a state in which the pins of two underwater connectors are connected according to an embodiment of the present invention.
  • the pin 400 of the first connector having a + structure is inserted into the hole of the first insulator 300-1 of the second connector, and the pin 400 of the second connector having a - structure is inserted into the hole of the first insulator 300-1 of the second connector. -1), and through this, the pin 400 of the first connector and the pin 400-1 of the second connector are electrically coupled.
  • the rubber 500a coupled to the pin 400 of the first connector has a tapered shape, it can be easily inserted into the hole of the first insulator 300-1 of the second connector, and after insertion is completed, the first insulator 300-1 Since the gap between the holes (300-1) is filled with rubber (500a), it is possible to form a watertight structure.
  • FIG 11 is a flowchart showing the overall flow of the underwater connector manufacturing method according to an embodiment of the present invention.
  • step 1100 surface treatment is first performed on the first insulator (step 1100). As previously described, surface treatment is performed on the sides of the first insulator, the upper surface of the non-protruding portion 300b of the first insulator, and the rear surface of the first insulator. No surface treatment is performed on the surface of the protrusion 300a of the first insulator. Meanwhile, surface treatment may also be performed inside the holes formed in the first insulators, if necessary.
  • Surface treatment is performed on the pins (step 1102).
  • surface treatment is performed on the area adjacent to the ends.
  • the surface-treated first insulator and the pin are combined (step 1104).
  • the surface-treated pin is inserted into each hole formed in the first insulator and joined.
  • Rubber bonding is performed on the combination of the pin and the first insulator to form the second insulator (step 1106).
  • the combination of the pin and the first insulator is placed in a rubber heat press molding machine, and then rubber bonding to the surface-treated area is performed through rubber heat press molding.
  • the rubber bonding is performed, the second insulator 200 surrounding the first insulator 300 is formed.
  • rubber bonding is also performed on the surface-treated areas of the first insulator 300 and the pin 400.
  • rubber may be bonded to the non-protruding surface of the first insulator, and rubber may also be bonded to the inside of the hole.
  • rubber is bonded to the surface-treated area on the side of the pin to form the second insulator 200.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

La divulgation concerne un connecteur pour une connexion sous-marine. Le connecteur selon la divulgation comprend : un premier isolant ayant une pluralité de trous ; une pluralité de broches insérées dans chaque trou de la pluralité de trous ; et un second isolant formé sur la partie externe du premier isolant, le premier isolant comprenant : une partie saillante qui fait en outre saillie à partir d'un point prédéfini du premier isolant ; et une partie non saillante qui ne fait pas saillie à partir du point prédéfini, et les broches, insérées dans les trous formés au niveau de la partie non saillante, font saillie à partir de la partie non saillante. Le connecteur selon la divulgation peut maintenir une bonne isolation entre la pluralité des broches pendant une connexion sous-marine et peut empêcher une mauvaise connexion d'un opérateur et réduire au minimum l'influence de la pression de l'eau.
PCT/KR2023/003928 2022-12-21 2023-03-24 Connecteur pour connexion sous-marine WO2024135946A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220180392A KR20240098542A (ko) 2022-12-21 2022-12-21 수중 연결용 커넥터
KR10-2022-0180392 2022-12-21

Publications (1)

Publication Number Publication Date
WO2024135946A1 true WO2024135946A1 (fr) 2024-06-27

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PCT/KR2023/003928 WO2024135946A1 (fr) 2022-12-21 2023-03-24 Connecteur pour connexion sous-marine

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KR (1) KR20240098542A (fr)
WO (1) WO2024135946A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101399070B1 (ko) * 2013-03-06 2014-05-27 임승남 수중케이블커넥터
KR101429669B1 (ko) * 2013-12-02 2014-08-13 주식회사 하이드로넷 조립식 커넥터
KR101562578B1 (ko) * 2014-07-29 2015-10-22 (주) 라투스 방수 커넥터
US20180198228A1 (en) * 2015-08-21 2018-07-12 Sung-guen EUN Waterproof electric connector
KR20220107406A (ko) * 2021-01-25 2022-08-02 주식회사 재원하이텍 각링을 포함하는 커넥터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101399070B1 (ko) * 2013-03-06 2014-05-27 임승남 수중케이블커넥터
KR101429669B1 (ko) * 2013-12-02 2014-08-13 주식회사 하이드로넷 조립식 커넥터
KR101562578B1 (ko) * 2014-07-29 2015-10-22 (주) 라투스 방수 커넥터
US20180198228A1 (en) * 2015-08-21 2018-07-12 Sung-guen EUN Waterproof electric connector
KR20220107406A (ko) * 2021-01-25 2022-08-02 주식회사 재원하이텍 각링을 포함하는 커넥터

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