EP3414800B1 - Vorrichtung zur durchführung einer elektrischen verbindung unter wasser - Google Patents

Vorrichtung zur durchführung einer elektrischen verbindung unter wasser Download PDF

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Publication number
EP3414800B1
EP3414800B1 EP17710617.6A EP17710617A EP3414800B1 EP 3414800 B1 EP3414800 B1 EP 3414800B1 EP 17710617 A EP17710617 A EP 17710617A EP 3414800 B1 EP3414800 B1 EP 3414800B1
Authority
EP
European Patent Office
Prior art keywords
conductive
control element
electrical contact
male connector
female connector
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.)
Active
Application number
EP17710617.6A
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English (en)
French (fr)
Other versions
EP3414800A1 (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
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Tech4sea Srl
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Publication date
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Publication of EP3414800A1 publication Critical patent/EP3414800A1/de
Application granted granted Critical
Publication of EP3414800B1 publication Critical patent/EP3414800B1/de
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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
    • 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.
  • the optical signal can impact the operation of the device, because the transmission of the optical signal could be interrupted by suspended particles in dirty water thus attaching the male connector before the connection. Moreover, a side of the connector is completely passive. For these reasons the solution of D1 is not enough safe.
  • 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.
  • 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 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 101d, 101e and a control element 101c.
  • the conductive elements 101d and 101e and the control element 101c have a portion coated with an insulating material and a free end, respectively 101da acting as electrical contact for the power supply, 101ea for the mass, and 101ca for the control signal.
  • the female connector 102 includes two conductive inserts 102d, 102e configured for housing the conductive elements 101d, 101e whose free ends 101da, 101ea 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 101ca 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 102ea 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 101d, 101e establish the electrical contact respectively with the conductive inserts 102d, 102e in correspondence of the ends 101da, 101ea.
  • the electrical contact between the ends 101da, 101ea and the conductive inserts 102d, 102e is isolated from the water.
  • control element 101c is isolated from the water.
  • the watertight container 103 comprises a second electronic board 103a.
  • the second electronic board 103a is configured for communicating both with the first electronic board 102a by means of the control element 101c housed in the control insert 102c, and with the relay 102b.
  • the first electronic board 102a is disposed on the side of the female connector 102 and the second electronic board 103a is on the side of the male connector 101.
  • the first electronic 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.
  • the electronic 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 electronic boards 102a and 103a.
  • the electronic 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 boards 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 each one of the following conditions:
  • the electronic boards 102a and 103a are configured to detect overcurrent and over-temperature of the device 100.
  • the electronic boards 102a and 103a are configured to activate the relay 102b.
  • the first electronic board 102a placed immediately after the power source E and acting directly on the relay 102b, connects with the second electronic board 103a.
  • the first electronic board 102a detects the electrical disconnection between the two connectors, or the lack of communication between the electronic boards 102a and 103a and, therefore, the first electronic board 102a disables the relay 102b to the electrical connection.
  • the electrical interruption between the elements 101d, 101e and the inserts 102d, 102e takes place before the water wets the conductors 101ca, 101da, 101ea.
  • the device 100 operates on the basis of the operation scheme shown in Figure 7 .
  • the value V of voltage between the control element 101c (Pin S) and the mass of the power source GND on the conductive element 101e 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 V0, if the power is on, this is decoupled, otherwise an initial phase is carried out again.
  • the first electronic board 102a measures the voltage between the control element 101c and the ground signal (GND). If the voltage is higher than or equal to a certain threshold, the electronic board disables the relay 102b, 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.
  • 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 first electronic board 102a if the measured voltage value V is greater than or less than Vo the first electronic 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)

Claims (4)

  1. Vorrichtung (100) zur Realisierung einer elektrischen Unterwasserverbindung, umfassend:
    - mindestens einen Stecker (101) und mindestens eine Buchse (102), die an einem wasserdichten Behälter angebracht ist, wobei der Stecker (101) leitende Elemente (101d, 101e) und mindestens ein Steuerelement (101c) aufweist, wobei alle Elemente (101d, 101e, 101c) jeweils einen mit einem isolierenden Material beschichteten Abschnitt und jeweils ein freies Ende (101da, 101ea), das als elektrischer Kontakt für die Stromversorgung (E) dient, und ein freies Ende (101ca), das als elektrischer Kontakt für ein Steuersignal dient, aufweisen;
    - eine Batterie, die in einem weiteren wasserdichten Behälter enthalten ist; und
    - mindestens ein Relais (102b);
    dadurch gekennzeichnet, dass es elektronische Platinen (102a, 103a) umfasst, die sich jeweils auf der Seite der Buchse (102) und des Steckers (101) befinden und miteinander über das Steuerelement (101c) kommunizieren, das gegen Wasser isoliert ist und konfiguriert ist zum:
    - Erkennen des Zustands der Kopplung / Entkopplung des Steckers (101), der Buchse (102), Messen des Spannungswerts V zwischen dem Steuerelement (101c) und dem leitenden Element (101e) mittels der ersten elektronischen Platine (102a) und Überwachen der Datenübertragung zwischen den elektronischen Platinen (102a, 103a);
    - Aktivieren des Relais (102b) und
    - Außerkraftsetzen eines elektrischen Stromflusses zwischen der Buchse (102) und dem Stecker (101) in jedem der folgenden Zustände:
    - wenn die Spannung zwischen dem Steuerelement (101c) und dem leitenden Element (101e) einen Wert V hat, der größer ist als eine vordefinierte Schwellenspannung V0, die von der ersten elektronischen Platine (102a) gemessen wird;
    - wenn eine Unterbrechung der Kommunikation zwischen den elektronischen Platinen (102a, 103a) auftritt;
    - wenn ein Wasserleck im wasserdichten Behälter (103) auftritt;
    - wenn ein Wasseraustritt in dem weiteren wasserdichten Gehäuse, das die Batterie enthält, auftritt;
    - wenn ein Überstrom auftritt;
    - wenn eine Übertemperatur auftritt.
  2. Vorrichtung (100) nach Anspruch 1, dadurch gekennzeichnet, dass die Buchse (102) umfasst:
    leitende Einsätze (102d, 102e), die zur Aufnahme der leitenden Elemente (101d, 101e) konfiguriert sind, deren freie Enden (101da, 101ea) den elektrischen Kontakt mit entsprechenden inneren leitenden Teilen der Einsätze (102d, 102e) realisieren, und einen Steuereinsatz (102c), der zur Aufnahme des Steuerelements (101c) konfiguriert ist, dessen freies Ende (101ca) den elektrischen Kontakt mit einem entsprechenden inneren leitenden Teil des Einsatzes (102c) realisiert.
  3. Vorrichtung (100) nach Anspruch 2, dadurch gekennzeichnet, dass die leitenden Einsätze (102e, 102d) jeweils mit einem ersten Gummikanal (102ea) und mit einem zweiten Gummikanal versehen sind und der Steuereinsatz (102c) mit einem dritten Gummikanal für den Steuereinsatz (102c) versehen ist.
  4. Vorrichtung (100) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der elektrische Kontakt zwischen den freien Enden (101da, 101ea) und den Einsätzen (102d, 102e) gegen Wasser isoliert ist.
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 EP3414800A1 (de) 2018-12-19
EP3414800B1 true EP3414800B1 (de) 2021-08-11

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ID=55969316

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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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028256B (zh) * 2018-07-16 2021-10-01 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

Non-Patent Citations (1)

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Publication number Publication date
EP3414800A1 (de) 2018-12-19
ITUB20160712A1 (it) 2017-08-12
WO2017137917A1 (en) 2017-08-17

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