EP3286993A1 - Verwendung eines mehrgängigen gewindes in einem ex-d-gehäuse - Google Patents
Verwendung eines mehrgängigen gewindes in einem ex-d-gehäuseInfo
- Publication number
- EP3286993A1 EP3286993A1 EP16713378.4A EP16713378A EP3286993A1 EP 3286993 A1 EP3286993 A1 EP 3286993A1 EP 16713378 A EP16713378 A EP 16713378A EP 3286993 A1 EP3286993 A1 EP 3286993A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- thread
- field device
- cover
- threads
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
Definitions
- the invention relates to a field device of automation technology, comprising a housing and a lid for closing the housing, wherein the housing after closing by means of the lid fulfills all Ex d requirements.
- Factory automation technology field devices are often used, which serve for the detection and / or influencing of process variables.
- sensors such as
- Conductivity meters etc., which record the corresponding process variables level, flow, pressure, temperature, pH or conductivity.
- actuators such as valves or pumps, via which the flow of a liquid in a pipe section or the level in a container can be changed.
- field devices are all devices that are used close to the process and that provide or process process-relevant information. In connection with the invention are under
- Network components are manufactured and distributed by Endress + Hauser.
- the housing is designed cup-shaped and is made in many cases of a non-conductive material.
- the materials used are plastics or composites.
- the housing may also consist of a metal or a metal alloy.
- a housing includes a Level gauge 60% aluminum, 25% plastic and 15% stainless steel and a housing of a pressure gauge includes only aluminum and stainless steel and no plastic.
- a detachable connection between an Ex-d housing (Ex-d explosion protection - Flameproof enclosure) and an Ex-d cover, realized by means of a catchy metric thread, eg M80x1, 5.
- the design according to the Ex-D standard requires at least seven or more engaged threads to the
- Safety margin for chamfer and thread outlet is the thread length at about 13.5mm (7x1, 5mm + 3mm surcharge), which in practice about eight
- the invention is based on the object, a field device of
- the object is achieved by the subject invention.
- the invention relates to a field device of
- Automation technology comprising a housing having an opening for receiving field device components, wherein the housing has a first thread to the opening edge, a lid for closing the opening of the housing, wherein the lid has a second thread at the edge, wherein the first and second threads complementary to each other are configured so that the housing after closing by means of the lid all Ex-d requirements fulfilled characterized in that the first and second threads are designed as multi-threaded.
- the first and second threads are designed as sesumnese thread. According to a favorable embodiment, the first and second threads axially at least five, preferably eight courses.
- FIG. 1 shows a longitudinal section of a housing of a field device of
- FIG. 2 shows a front view of a lid according to the invention with four parallel passages forming a four-turn thread for a housing with a four-start thread.
- the housing 1 shows a longitudinal section of a housing 1 of a field device 1 of the automation technology according to the prior art.
- the housing 1 comprises a housing 2 and a cover 6.
- the housing 2 and the cover 6 are designed cup-shaped.
- the housing 2 is suitable to
- the housing 2 has in a outer edge region to the opening 3 a first Thread 5 on.
- the cover 6 has a second thread 7 on an outer edge region.
- the first and second threads 5, 7 are complementary to each other
- the housing 1 fulfills all Ex-d requirements.
- Fig. 2 shows a front view of a cover 6 according to the invention for a housing 2 with a four-start thread.
- the second thread 7 of the lid 6 is designed as a four-start thread.
- the lid 6 has in this embodiment, a second thread 7 with eight courses.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015106350.6A DE102015106350A1 (de) | 2015-04-24 | 2015-04-24 | Verwendung eines mehrgängigen Gewindes in einem Ex-d-Gehäuse |
| PCT/EP2016/056592 WO2016169728A1 (de) | 2015-04-24 | 2016-03-24 | Verwendung eines mehrgängigen gewindes in einem ex-d-gehäuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3286993A1 true EP3286993A1 (de) | 2018-02-28 |
Family
ID=55646561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16713378.4A Withdrawn EP3286993A1 (de) | 2015-04-24 | 2016-03-24 | Verwendung eines mehrgängigen gewindes in einem ex-d-gehäuse |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20180098443A1 (de) |
| EP (1) | EP3286993A1 (de) |
| CN (1) | CN107532927A (de) |
| DE (1) | DE102015106350A1 (de) |
| WO (1) | WO2016169728A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017223733B3 (de) | 2017-12-22 | 2019-02-07 | Siemens Aktiengesellschaft | Explosionsgeschütztes druckfestes Gehäuse für elektrische Betriebsmittel |
| US11019670B1 (en) * | 2019-11-26 | 2021-05-25 | Asustek Computer Inc. | Method and apparatus for sidelink signaling radio bearer (SRB) establishment in a wireless communication system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3527372A (en) * | 1968-12-02 | 1970-09-08 | Republic Molding Corp | Container |
| DE2049993A1 (de) * | 1970-10-12 | 1972-04-13 | Maehler & Kaege Ag | Druckfest-gekapselte Glühlampenleuchte |
| US4453647A (en) * | 1983-01-26 | 1984-06-12 | Neat Benjamin C | Plastic container having threaded closure |
| US4961512A (en) * | 1989-01-30 | 1990-10-09 | Holdt J W Von | Childproof closure for large containers |
| US5115862A (en) * | 1990-08-08 | 1992-05-26 | Hastings Phillip J | Electrical grounding device for wells |
| US5052950A (en) * | 1990-08-14 | 1991-10-01 | Pyromation, Inc. | Terminal connector head |
| DE59609023D1 (de) * | 1996-10-18 | 2002-05-08 | Endress Hauser Gmbh Co | Gehäuse für industrielle Anwendungen |
| DE102008042972A1 (de) * | 2008-10-20 | 2010-04-22 | Endress + Hauser Flowtec Ag | Messgerät mit einem mehrwandigen Gehäuse |
| CN202039976U (zh) * | 2011-04-29 | 2011-11-16 | 浙江银轮机械股份有限公司 | 一种气室带水套结构的废气再循环冷却器 |
| CN102570158B (zh) * | 2012-02-22 | 2013-09-25 | 上海航天科工电器研究院有限公司 | 一种防爆连接器 |
| DE102014119455A1 (de) * | 2014-12-22 | 2016-06-23 | Endress + Hauser Gmbh + Co. Kg | Gehäuse für ein Feldgerät der Automatisierungstechnik |
-
2015
- 2015-04-24 DE DE102015106350.6A patent/DE102015106350A1/de not_active Withdrawn
-
2016
- 2016-03-24 EP EP16713378.4A patent/EP3286993A1/de not_active Withdrawn
- 2016-03-24 CN CN201680022992.5A patent/CN107532927A/zh active Pending
- 2016-03-24 US US15/567,821 patent/US20180098443A1/en not_active Abandoned
- 2016-03-24 WO PCT/EP2016/056592 patent/WO2016169728A1/de not_active Ceased
-
2019
- 2019-03-20 US US16/359,850 patent/US20190223308A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20180098443A1 (en) | 2018-04-05 |
| WO2016169728A1 (de) | 2016-10-27 |
| US20190223308A1 (en) | 2019-07-18 |
| CN107532927A (zh) | 2018-01-02 |
| DE102015106350A1 (de) | 2016-10-27 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17P | Request for examination filed |
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| AX | Request for extension of the european patent |
Extension state: BA ME |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ENDRESS+HAUSER SE+CO. KG |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17Q | First examination report despatched |
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| 18D | Application deemed to be withdrawn |
Effective date: 20211001 |