EP4115477A1 - Gehäuse zur aufnahme einer signalverarbeitungsplatine zur verarbeitung von elektrischen signalen unter wasser - Google Patents
Gehäuse zur aufnahme einer signalverarbeitungsplatine zur verarbeitung von elektrischen signalen unter wasserInfo
- Publication number
- EP4115477A1 EP4115477A1 EP21707969.8A EP21707969A EP4115477A1 EP 4115477 A1 EP4115477 A1 EP 4115477A1 EP 21707969 A EP21707969 A EP 21707969A EP 4115477 A1 EP4115477 A1 EP 4115477A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector
- receiving device
- housing
- signal distribution
- contact
- 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
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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
-
- 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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
-
- 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
- H01R43/005—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for making dustproof, splashproof, drip-proof, waterproof, or flameproof connection, coupling, or casing
Definitions
- Housing for receiving a signal processing board for processing electrical signals under water
- the invention relates to the sealing of a housing for receiving plugs against ingress of water when the housing is used under water.
- housings with electronics arranged in them which are used under water, require special requirements for impermeability against penetrating water. If water penetrates the housing, the electronics will inevitably be damaged. This requirement is made more difficult by the fact that plugs are guided into the housing in order to provide electrical energy for the electronics and / or electrical signals which the electronics process. Especially at the transition between plug and socket, there is the possibility for a fluid (e.g. water) to penetrate the housing if a seal is defective or porous. Then all the electronics in the housing can no longer be used. This is an undesirable condition as it creates the maximum damage.
- a fluid e.g. water
- the object of the present invention is therefore to create an improved concept for a housing for electronics for use under water.
- Exemplary embodiments show a housing for receiving a signal processing board for processing electrical signals under water.
- the term electrical signal relates both to the classic use of the term “signal” for information transmission and to the provision of electrical energy for the power supply (e.g. for the electronics, ie for example the signal processing board in the housing).
- the housing has Connector receptacles and a signal distribution board.
- a first connector receiving device is designed to receive a first connector that provides a first part of the electrical signals.
- a second connector receiving device is designed to receive a second connector which provides a second part of the electrical signals. Additional connector receptacles for additional connectors are possible.
- a connector receiving device can in particular be understood to be a guide for the corresponding connector, against which the connector is sealed in order to prevent water from penetrating into the connector receiving device.
- the plug receiving device can be embedded in an outer wall of the housing and thus, for example, part of a cover.
- the signal distribution board has a first contact for contacting the first connector and a second contact for contacting the second connector.
- the task of the signal distribution board is to provide the electrical signals from the first connector and the second connector of the signal processing board.
- the first connector receiving device and the second connector receiving device (as well as potential further connector receiving devices) are sealed against the ingress of water in relation to the signal distribution board. That is, the connector receiving device and the signal distribution board form a watertight, sealed space through which water cannot penetrate into the further housing. When the plug is inserted, the space is closed by means of a seal between the plug receiving device and the plug.
- the seal between the connector receptacle devices and the signal distribution board can also take place by means of a seal, for example an O-ring in the case of a round connector receptacle device
- the idea is that by sealing the connector receptacle against the signal distribution board, for example in the event of a defective seal between the plug and the connector receptacle or without an inserted plug, the further penetration of water into the housing is prevented.
- the water collects in the connector receiving device and can also short-circuit the contacts of the connector inserted there; however, further penetration of the water to other connectors or to the signal processing board becomes efficient prevented.
- the signal processing board is used, for example, for processing signals from water-borne sound converters (also referred to as hydrophones), in particular sonar, the individual plugs can carry water-borne sound signals from a large number of water-borne sound converters. For each signal, one wire can be provided in the connector that makes contact with a corresponding contact on the signal distribution board.
- the contacts in the plug receiving device are connected, for example short-circuited, and the water-borne sound signals from the associated water-borne sound converters can no longer be used for evaluation.
- the sonar image has deteriorated due to the failure of individual water-borne sound converters, but one has not become completely “blind”.
- the signal distribution board has a first metallization running around the first contact, preferably all contacts, against which the first connector receiving device is sealed against penetrating water.
- the signal distribution board has a second metallization running around the second contact, against which the second connector receiving device is sealed against ingress of water.
- the first and second metallization are advantageously each arranged where the seal of the first connector receiving device and the second connector receiving device meet the signal distribution board. The additional metallization reduces the diffusion rate of penetrating water through the seal.
- the signal distribution board (optionally in addition to the first and second metallization) has a large-area, in particular all-area, metallization.
- the large-area metallization protects a material of the circuit board, e.g. epoxy, against penetrating water, which in the worst case could penetrate the circuit board.
- the large-area metallization is electrically insulated from the first and second contacts in the area of the first contact and in the area of the second contact. This prevents a short circuit between the contacts, for example.
- the first contact and the second contact are led through the board, the lead-through being protected against penetrating water by being soldered to the board.
- the conductor track can be, for example, 5 cm or longer.
- the signal distribution board is spatially arranged between the (receptacle of) the signal processing board and the first and second connector receptacles. In this way, the signal distribution board can form an effective barrier against the ingress of water. The signal processing board remains protected from the water.
- a support structure is arranged between the signal distribution board and the signal processing board, which is designed to absorb a force acting on the signal distribution board from the first and / or the second connector receiving device. If water has penetrated the connector receiving device, this water exerts a not inconsiderable force on the signal distribution board in the area of the penetrated water due to the water pressure. In the worst case, this force could break the signal distribution board. But even if the force only leads to a bending of the board, the seal between the corresponding connector receiving device and the signal distribution board can be loosened by bending the signal distribution board, so that the penetrated water also penetrates into other parts of the signal distribution board and is no longer limited to the space within the connector receiving device. Bending can be prevented by the support structure.
- the plug receiving device in particular the entire cover, and / or the support structure (in each case) can have a material which has a modulus of elasticity of at least 40 GPa, in particular at least 70 GPa.
- a material of the connector receiving device or the support structure comprises a metal, in particular aluminum or steel, or a plastic.
- a metal typically has better thermal conductivity.
- the connector receiving device or the support structure has the necessary robustness to withstand the water pressure over the long term.
- the support structure comprising a metal or the cover comprising a metal can improve a heat dissipation of the signal distribution board.
- a method for producing a housing for receiving a signal processing board for processing electrical signals under water comprising the following steps: forming a first connector receiving device for receiving a first connector which provides a first part of the electrical signals; Forming a second connector receiving device for receiving a second connector which provides a second portion of the electrical signals; Providing a signal distribution board which has a first contact for contacting the first connector and a second contact for contacting the second connector; Sealing the first connector receiving device and the second connector receiving device to the signal distribution board against ingress of water; and providing the electrical signals from the first connector and the second connector by means of the signal distribution board for the signal processing board.
- FIG. 2a a schematic plan view of the housing from FIG. 1; FIG.
- FIG. 2b a schematic sectional illustration of the housing from FIG. 2a along the drawn cutting edge with further, partially optional features;
- Fig. 3 is a schematic plan view of a signal distribution board of the
- FIG. 1 shows a schematic perspective illustration of part of a housing 20 for receiving a signal processing board for processing electrical signals under water.
- the housing 20 has a first and a second connector receiving device 22a, 22b and a signal distribution board 23.
- the first and the second connector receiving device 22a, 22b can be part of a cover 24 of the housing.
- the plug receiving devices 22a, 22b and the cover 24 are then advantageously manufactured in one piece. This reduces the risk of water entering the housing at contact points between the plug receiving device 22a, 22b and the cover 24.
- the cover 24 is shown transparent in FIG. 20 so that the signal distribution board 23 is visible.
- the plug receiving devices 22a, 22b are sealed against penetrating water (mechanically) and are connected to the signal distribution board 23. In other words, the plug receiving devices 22a, 22b are based on the Signal distribution board 23.
- a seal 26a, 26b is shown as an example for sealing (the base point).
- FIG. 2a shows a schematic top view of the housing from FIG. 1.
- the cover 24 here covers the view of the signal distribution board 23.
- a top view of the signal distribution board is shown in FIG.
- a first contact 28a and a second contact 28b can be seen in the plan view.
- the corresponding contact is arranged within the respective connector receiving device and (electrically) connected to the signal distribution board.
- the first contact 28a can make (electrical) contact with a plug inserted into the first plug receiving device 28a.
- the second contact 28b can make (electrical) contact with a plug inserted into the second plug receiving device 28b.
- A-A denotes the sectional plane (shown in dashed lines) for the illustration from FIG. 2b.
- FIG. 2b shows the housing 20 in the section plane A-A from FIG. 2a.
- the connector receiving devices 22a, 22b are shown with the seals 26a, 26b arranged circumferentially underneath.
- the plug receiving devices 22a, 22b penetrate the cover 24 of the housing 20.
- a plug can contact the contacts 28a, 28b.
- these are designed as spring contacts, so they can be pressed down by the plug.
- the contact 28a can have a pin and a cylinder, the pin being pressed into the cylinder.
- the contact in particular the cylinder when a spring contact is used, is passed through the signal distribution board 23. If an electrical signal is provided by a plug, the contact 28a, 28b can pick up the electrical signal.
- the electrical signal can be distributed on the signal distribution board 23 by means of conductor tracks (not shown).
- An electrical connection 30 can be used to provide the electrical signal from the conductor tracks for the signal processing board. This can be done, for example, by means of a cable, of which a plug is connected to the signal distribution board 23 and a plug is connected to the signal processing board.
- Reference numeral 32 is a receptacle for the signal processing board, but the signal processing board can also be arranged directly in the housing 20 without a separate receptacle.
- a support structure 34 is arranged between the signal distribution board 23 and the signal processing board or the receptacle 32 for it.
- the support structure 34 can be designed as a plate on which the signal distribution board 23 rests over a large area.
- posts or cylinders centered below the connector receiving devices. It can thus be prevented that the signal distribution board 23 bends when water pressure is applied in the event of a fault and the seal 26a, 26b is no longer in contact with the signal distribution board. Then the water can penetrate unhindered into the entire housing.
- the housing 20 has a wall 36, which is connected to the cover 24 in a watertight manner in particular and which encloses the further components of the housing 20 (below the cover), in particular watertightly.
- the signal distribution board 23 optionally has a large-area metallization 38. This protects a material of the signal distribution board 23 from penetrating water, so that the signal distribution board does not soak up water and swell and / or slow down the diffusion of water through the signal distribution board 23 of the second contact 28b each have an insulation 40a, 40b to the contacts 28a, 28b.
- the first insulation 40a and the second insulation 40b can be obtained by cutting out the metallization in this area.
- an (electrically) insulating material can be arranged around the respective contact. Then only the insulating material comes into contact with the large-area metallization 38 and not the contact 28a, 28b itself.
- the signal distribution board 23 has a first metallization 42a running around the first contact 28a.
- the first connector receiving device is sealed against penetrating water against this first metallization 42a.
- the signal distribution board 23 has a second metallization 42b running around the second contact 28b.
- the second connector receiving device is sealed against penetrating water against this second metallization 42b.
- the seals 26a, 26b lie on the first and the second metallization 42a, 42b, respectively.
- the large-area metallization 38 is arranged over the entire area in FIG. 3 on the entire surface of the signal distribution board. In a further exemplary embodiment, it is sufficient if the large-area metallization 38 is arranged within, advantageously also below, the first and second metallization 42a, 42b. Primarily, water should only penetrate into the area, so protecting the material of the circuit board in this area is most important.
- the first and the second metallization 42a, 42b can be applied to the large-area metallization 38.
- the large-area metallization can therefore first be applied to the circuit board by means of a suitable (coating) method.
- the first and the second metallization can then be applied to the large-area metallization, for example using a corresponding masking.
- FIG. 4 shows a schematic sectional illustration of a contact system 44 based on the illustration of the housing from FIG. 2b.
- the contact system 44 has the housing 20 in any embodiment and a plug 46.
- the first connector receiving device 22a receives the connector 46 in a precisely fitting manner.
- the plug 20 comprises a circumferential plug seal 48.
- the circumferential plug seal seals an outer wall of the plug 46 against the first plug receiving device 22a against ingress of water.
- Arrow 50a indicates that the plug 46 can be inserted into the first plug receiving device 22a and pulled out again.
- the plug 46 is protected against the ingress of water by means of a seal 52.
- the housing 20 can have a first spring contact 28a.
- the first spring contact 28a can be pressed into the signal distribution board 23 when the plug 46 is inserted into the first plug receiving device 22a.
- the first spring contact 28a has a permanent counterforce against being pushed in, so that contact is reliably made with the plug 46.
- the electrical signal provided by the plug can thus be tapped via the spring contact 48 and, for example, forwarded to the signal processing board for further signal processing by means of the signal distribution board.
- Arrow 50b indicates that the spring contact can be pressed into the plug receiving device 46 and comes out again by means of a spring force when the plug no longer presses the spring contact into the plug receiving device 46.
- the disclosed (water) sound transducers are designed for use under water, in particular in the sea.
- the sound transducers are designed to convert water-borne sound into an electrical signal (e.g. voltage or current) corresponding to the sound pressure, the water-borne sound signal.
- the sound transducers are designed to convert an applied electrical voltage into water-borne sound.
- the sound transducers can accordingly be used as water-borne sound converters and / or as water-borne sound transmitters.
- the sound transducers have a piezoelectric material, for example a piezoceramic, as the sensor material.
- the transducers can be used for (active and / or passive) sonar (sound navigation and ranging).
- the sound transducers are not suitable for medical applications.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020202774.9A DE102020202774A1 (de) | 2020-03-04 | 2020-03-04 | Gehäuse zur Aufnahme einer Signalverarbeitungsplatine zur Verarbeitung von elektrischen Signalen unter Wasser |
| PCT/EP2021/054462 WO2021175666A1 (de) | 2020-03-04 | 2021-02-23 | Gehäuse zur aufnahme einer signalverarbeitungsplatine zur verarbeitung von elektrischen signalen unter wasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4115477A1 true EP4115477A1 (de) | 2023-01-11 |
Family
ID=74732927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21707969.8A Pending EP4115477A1 (de) | 2020-03-04 | 2021-02-23 | Gehäuse zur aufnahme einer signalverarbeitungsplatine zur verarbeitung von elektrischen signalen unter wasser |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4115477A1 (de) |
| DE (1) | DE102020202774A1 (de) |
| WO (1) | WO2021175666A1 (de) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014007443A1 (de) * | 2014-05-21 | 2015-11-26 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Elektrische Baugruppe für ein Kraftfahrzeug und Verfahren zur Montage einer solchen elektrischen Baugruppe |
| DE102014114641A1 (de) * | 2014-10-09 | 2016-04-14 | Krones Aktiengesellschaft | Vorrichtung zum Befüllen eines Behälters mit einem Füllprodukt |
| CN207234033U (zh) * | 2017-06-22 | 2018-04-13 | 中航光电科技股份有限公司 | 矩形插头及其密封圈 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2641135A1 (en) * | 1988-12-23 | 1990-06-29 | Thomson Csf | Method of manufacturing a sealed connector and connector obtained by this method |
| DE20017093U1 (de) * | 2000-10-05 | 2000-12-21 | Bühler Motor GmbH, 90459 Nürnberg | Massekontakt |
| US7203070B2 (en) * | 2003-12-03 | 2007-04-10 | Tyco Electronics Canada, Ltd. | Sealed electronic input/output module |
-
2020
- 2020-03-04 DE DE102020202774.9A patent/DE102020202774A1/de active Pending
-
2021
- 2021-02-23 WO PCT/EP2021/054462 patent/WO2021175666A1/de not_active Ceased
- 2021-02-23 EP EP21707969.8A patent/EP4115477A1/de active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014007443A1 (de) * | 2014-05-21 | 2015-11-26 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Elektrische Baugruppe für ein Kraftfahrzeug und Verfahren zur Montage einer solchen elektrischen Baugruppe |
| DE102014114641A1 (de) * | 2014-10-09 | 2016-04-14 | Krones Aktiengesellschaft | Vorrichtung zum Befüllen eines Behälters mit einem Füllprodukt |
| CN207234033U (zh) * | 2017-06-22 | 2018-04-13 | 中航光电科技股份有限公司 | 矩形插头及其密封圈 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021175666A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020202774A1 (de) | 2021-09-09 |
| WO2021175666A1 (de) | 2021-09-10 |
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Owner name: TKMS ATLAS ELEKTRONIK GMBH Owner name: THYSSENKRUPP AG |