EP3414800A1 - Vorrichtung zur durchführung einer elektrischen verbindung unter wasser - Google Patents

Vorrichtung zur durchführung einer elektrischen verbindung unter wasser

Info

Publication number
EP3414800A1
EP3414800A1 EP17710617.6A EP17710617A EP3414800A1 EP 3414800 A1 EP3414800 A1 EP 3414800A1 EP 17710617 A EP17710617 A EP 17710617A EP 3414800 A1 EP3414800 A1 EP 3414800A1
Authority
EP
European Patent Office
Prior art keywords
male connector
female connector
relay
occurs
realizing
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.)
Granted
Application number
EP17710617.6A
Other languages
English (en)
French (fr)
Other versions
EP3414800B1 (de
Inventor
Daniele GALATI
Alessandro Gallo
Piergiorgio VALENTINO
Francesco SPADAFORA
Maurizio Muzzupappa
Fabio Bruno
Loris BARBIERI
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.)
Tech4sea Srl
Original Assignee
Tech4sea Srl
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 Tech4sea Srl filed Critical Tech4sea Srl
Publication of EP3414800A1 publication Critical patent/EP3414800A1/de
Application granted granted Critical
Publication of EP3414800B1 publication Critical patent/EP3414800B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7137—Structural association with built-in electrical component with built-in switch the switch being a safety switch with thermal interrupter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2105/00—Three poles

Definitions

  • the present invention relates to a device for realizing an underwater electrical connection.
  • the present invention relates to device for realizing an underwater electrical connection, of the type usable for the power supply or for the data connection of electrical devices inside water.
  • a generic electrical connection between a power source and an end-user must enable extremely fast and intuitive coupling and uncoupling.
  • a possible solution consists in the use of a connection similar to the electric sockets used in house, in which the insertion or extraction of two conductive inserts allows the closing or opening of the coupled electric circuit.
  • the connectors watertight, even if ensure a safe connection, do not allow to detach and reattach the connector directly inside water, especially during the use of electrical equipment, as happens, for example, during replacement of the battery of a tool, or when it is necessary to disconnect the power supply when the connection is interrupted.
  • Scope of the present invention is to provide a device for realizing an underwater electrical connection of the type used for realizing an underwater connection between an electric source and an end-user and having characteristics such as to overcome the limits which still affect the underwater electrical connection systems with reference to the known technique.
  • a device for realizing an underwater electrical connection is provided, as defined in claim 1.
  • FIG. 1 shows an electrical scheme of a household electrical socket, according to the prior art
  • FIG. 2 shows an electrical scheme diagram of an underwater electric power supply, according to the prior art ;
  • FIG. 3 shows a three-dimensional schematic view of a device for realizing an underwater electrical connection in closed mode, according to the invention
  • FIG. 4 shows a three-dimensional schematic view of the device for realizing an underwater electrical connection in open mode, according to the invention
  • the figures 5A-5C show bi-dimensional schematic views of two electrically insulated connectors of the device for realizing an underwater electrical connection respectively during the uncoupling phase, during imminent coupling and in phase of coupling occurred, according to the invention
  • FIG. 6 shows an equivalent electrical scheme of the device for realizing an underwater electrical connection, according to the invention
  • FIG. 7 shows a block diagram of operation of the device for realizing an underwater electrical connection, according to the invention.
  • the device for realizing an underwater electrical connection 100 comprises: a male connector 101, a female connector 102 comprising an electronic module comprising a first control electronic board 102a and a relay 102b which are shown later in Figure 6, and a watertight container 103 on which the male connector 101 and the female connector 102 are mounted, and a battery comprised in a further watertight container, not shown in the figure.
  • the male connector 101 includes two conductive elements lOld, lOle and a control element 101c.
  • the conductive elements lOld and lOle and the control element 101c have a portion coated with an insulating material and a free end lOlda acting as electrical contact for the power supply, lOlea for the mass, and lOlca to the control signal .
  • the female connector 102 includes two conductive inserts 102d, 102e configured for housing the conductive elements lOld, lOle whose free ends lOlda, lOlea realize the electrical contact with correspondent internal conductive parts of the inserts 102d, 102e, and a control insert 102c configured for housing the control element 101c whose free end lOlca realizes the electrical contact with a correspondent internal conductive part of the insert 102c.
  • the conductive inserts 102e, 102d are provided respectively with a first rubber channel 102da and with a second rubber channel and the control insert 102c is provided with a third rubber channel, not shown in the figure.
  • the conductive elements lOld, lOle establish the electrical contact respectively with the conductive inserts 102d, 102e in correspondence of the ends lOlea.
  • the electrical contact between the ends lOlda, lOlea and the conductive inserts 102d, 102e is isolated from the water.
  • the control element 101c is isolated from the water.
  • the watertight container 103 comprises a second electronic control board 103a.
  • the electronic control board 103a is configured for communicating both with the first electronic board 102a by means of the control element 101a housed in the control insert 102c, and with the relay 102b.
  • the electronic board 102a is disposed on the side of the female connector 102 and the electronic board 103a is on the side of the male connector 101.
  • control board 102a is configured to detect the state of coupling / uncoupling of the connectors 101 and 102 by measuring the voltage V on the control element 101c.
  • control boards 102a and 103a are configured to detect the state of coupling / uncoupling of the connectors 101 and 102 by detecting the interruption of communication between the control boards 102a and 103a.
  • control boards 102a and 103a are configured to detect water leakage inside the watertight container 103, water leakage in a further watertight case containing a battery which power supplies the device 100.
  • the electronic modules 102a, 103a communicate each other and are configured for disabling the electrical current flow between the female connector 102 and the male connector 101 in at least one of the following conditions:
  • control boards 102a and 103a are configured to detect overcurrent and over-temperature of the device 100.
  • control boards 102a and 103a are configured to activate the relay 102b.
  • the electronic board 102a placed immediately after the power source E and acting directly on the relay 102b, connects with the board 103.
  • the board 102a detects the electrical disconnection between the two connectors, or the lack of communication between the boards 102a and 103a and, therefore, the board 102a disables the relay 102b to the electrical connection.
  • the electrical interruption between the elements lOld, lOle and the inserts 102d, 102e takes place before the water wet the conductors lOlca, lOlda, lOlea.
  • the device 100 operates on the basis of the operation scheme shown in Figure 7.
  • V of voltage between the signal conductor 101c (Pin S) and the mass of the power source GND on the conductor lOle is measured. The variation of this voltage allows to understand if the connectors are coupled or not.
  • the measured voltage value V is less than or equal to a predefined threshold value of Vo. If the measured voltage value V is less than or equal to a predefined threshold value of Vo, and the power supply is connected, the voltage on the signal conductor 101c is continuously measured. Otherwise it is necessary to connect the power supply. Instead if the voltage V is greater than the default value VO, if the power is on, this is decoupled, otherwise an initial phase is carried out again .
  • the board 102a measures the voltage between the conductor 101c and the ground signal (GND) . If the voltage is higher than or equal to a certain threshold, the electronic board disables the relay, interrupting the passage of current. In the case in which the two connectors are connected, because of the impedance of the electronics on the other side, the voltage between 101c and the ground is lowered, allowing to understand that the connection is engaged and, therefore, the relay is enabled to the circulation of the electric current. Eventually, as shown by Figure 7, the logic of the circuit may also be reversed.
  • the board 102a enables or disables the relay 102b to the electric current circulation by checking if the electric voltage V, measured in volts (V) , on the element 101c is greater or less than a threshold value Vo .
  • the step of measuring the voltage value V comprises measuring the voltage value on a control element 101c of the device 100.
  • the board 102a if the measured voltage value V is greater than or less than Vo the board 102a enables the relay 102b to the electrical current flow.
  • the device for realizing an underwater electrical connection allows to realize the electrical connection between the connectors even in the water.
  • the device for realizing an underwater electrical connection allows to replace a battery of a tool underwater interrupting the passage of current in a transparent way for the user.
  • Another advantage of the device for realizing an underwater electrical connection according to the invention is the possibility to achieve underwater coupling extremely compact and adaptable to any type of electric power supply, of communication and of user, such as a power bank or a sensor for environmental monitoring or for underwater communication .
  • Another advantage of the device for realizing an underwater electrical connection according to the invention is the safety in case of accidental power supply disconnection .
  • a further advantage of the device for realizing an underwater electrical connection according to the invention is the possibility of using traditional production technologies for the production of the body of the male connector and of the female connector.
  • the device for realizing an underwater electrical connection guarantees safety in case of power disconnection by interrupting the passage of current.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP17710617.6A 2016-02-12 2017-02-09 Vorrichtung zur durchführung einer elektrischen verbindung unter wasser Active EP3414800B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITUB2016A000712A ITUB20160712A1 (it) 2016-02-12 2016-02-12 Dispositivo di connessione elettrica subacquea
PCT/IB2017/050707 WO2017137917A1 (en) 2016-02-12 2017-02-09 Device for realizing an underwater electrical connection

Publications (2)

Publication Number Publication Date
EP3414800A1 true EP3414800A1 (de) 2018-12-19
EP3414800B1 EP3414800B1 (de) 2021-08-11

Family

ID=55969316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17710617.6A Active EP3414800B1 (de) 2016-02-12 2017-02-09 Vorrichtung zur durchführung einer elektrischen verbindung unter wasser

Country Status (3)

Country Link
EP (1) EP3414800B1 (de)
IT (1) ITUB20160712A1 (de)
WO (1) WO2017137917A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028256A (zh) * 2018-07-16 2018-12-18 珠海格力电器股份有限公司 加热设备及其控制装置及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496500A (en) * 1968-08-28 1970-02-17 Electro Oceanics Inc Magnet controlled fluid-proof connector
GB2214004B (en) * 1987-12-18 1992-03-18 Nl Petroleum Services Electrical connectors incorporating automatic power control
US5600306A (en) * 1994-10-17 1997-02-04 Nisso Industry Co., Ltd. Receptacle unit and extension cord
US6802741B1 (en) * 2002-08-22 2004-10-12 Tower Manufacturing Corporation Electric plug for a power cord
US8680442B2 (en) * 2005-07-11 2014-03-25 Allied Precision Industries Inc. Systems and methods for a temperature-controlled electrical outlet
WO2010015889A1 (en) * 2008-08-04 2010-02-11 Fci Electrical connector assembly, an electrical device comprising the same and a method for mating the same
DE102010023602A1 (de) * 2010-06-12 2011-12-15 Atlas Elektronik Gmbh Vorrichtung und Verfahren zum Transferieren von Daten von oder zu einem Unterwasserdruckkörper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028256A (zh) * 2018-07-16 2018-12-18 珠海格力电器股份有限公司 加热设备及其控制装置及方法

Also Published As

Publication number Publication date
ITUB20160712A1 (it) 2017-08-12
EP3414800B1 (de) 2021-08-11
WO2017137917A1 (en) 2017-08-17

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