EP0495778A1 - Connecteur de filtrage. - Google Patents
Connecteur de filtrage.Info
- Publication number
- EP0495778A1 EP0495778A1 EP90908488A EP90908488A EP0495778A1 EP 0495778 A1 EP0495778 A1 EP 0495778A1 EP 90908488 A EP90908488 A EP 90908488A EP 90908488 A EP90908488 A EP 90908488A EP 0495778 A1 EP0495778 A1 EP 0495778A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter
- pins
- chamber
- connector according
- ferrite
- 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
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 68
- 229910000679 solder Inorganic materials 0.000 claims abstract description 5
- 210000002105 tongue Anatomy 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000005476 soldering Methods 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004382 potting Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
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
- H01R13/66—Structural association with built-in electrical component
- H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
- H01R13/7195—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with planar filters with openings for contacts
Definitions
- the invention relates to a filter connector with a strip body made of insulating material, which forms a chamber open to the rear, with a number of parallel plug pins arranged in a grid, which enter the chamber from the rear and through which Exit the bottom of the chamber to the front of the strip body, at least some of the plug pins inside the chamber being guided through a bore in a ferrite core arrangement and connected to a capacitive filter element on the back of the chamber, and to the side walls and at least a part of the rear side of the strip body and the chamber, with the shield housing covering the connector pins being recessed.
- the ferrite cores which are plugged onto certain plug pins, together with lead-through capacitors, which are arranged, for example, in the region of the shield plate, serve to decouple electromagnetic interference.
- the ferrite bodies which have relatively large tolerances due to the manufacture, in the correct position and without play, it is known and customary to glue these ferrite bodies into the strip body of the plug.
- From DE-A-30 16 315 it is also known to fix filter tubes to the plug pins by completely filling the chamber in the strip body penetrated by the plug pins with hardenable potting compound.
- both methods require laborious manufacturing steps, and in particular the curing of the adhesive or the casting compound is associated with a loss of time in mass production.
- the filter connector according to DE-A-30 16 315 provides for the individual capacitors with the individual plug pins to be connected on at least two levels via solder connections. and, on the other hand, to connect a common electrode of the sensor arrangement to a conductive plate and thus to the shield housing. These different soldering processes also require complex manufacture of the filter connector;
- the object of the invention is to design a filter plug connector of the type mentioned at the outset in such a way that it can be produced with as few individual parts as possible and with as few and simple assembly steps as possible, the filter elements in particular being easy to position and fix in the strip body.
- this object is achieved in that the ferrite core arrangement is held free of play in the axial direction of the connector pins by means of spring elements made of plastic.
- the ferrite core arrangement By holding the ferri core arrangement according to the invention via spring elements made of plastic, the ferrite core arrangement, whether it is formed from individual tubes or from a common block, is held and secured in the correct position. For this positioning, the individual ferrite bodies need neither be glued on nor embedded in potting compound. This ferrite core arrangement is secured in its final position simply by plugging it onto the connector pins and closing the chamber with the shield plate. At least as many individual spring elements are expediently provided as there are individual ferrite bodies, so that each ferrite body is pressed individually against the bottom of the plug chamber or against the shield housing.
- the spring elements are arranged in the bottom region of the chamber, so that they pretension the ferrite core arrangement against the shield housing on the rear side of the strip body.
- the spring elements are integrally formed on the last body, so that the manufacture and assembly of an additional part are eliminated.
- the ferrite core arrangement can be designed as a one-piece, common ferrite block for at least a part of the connector pins and can be provided with longitudinal bores in the grid of the connector pins. In this case, it is appropriate that separate spring elements are provided in the chamber for each row of connector pins. It is thus possible to provide two rows of connector pins, for example only one, with a ferrite block of a correspondingly halved size and to hold it reliably in the chamber.
- the ferrite bodies are arranged between the bottom of the chamber and a retaining strip made of plastic, that the retaining strip is in each case in the grid of the connector pins to the ferrite have molded cylindrical pins, which each form central passages for the plug pins and are adapted with their outer diameter to the inner diameter of the ferrite bodies plugged onto them, and that the retaining strips each free of play against the individual ferrite bodies by means of elastic sections Bottom of the chamber presses.
- the positioning and fastening of the ferrite bodies is carried out by an additional plastic insert, which is attached in a single operation and at the same time secures all filter bodies of the connector.
- the individual ferrite bodies therefore do not need to be glued or embedded in potting compound. Nevertheless, they are held centrally on the connector pins, which is ensured by the pins of the retaining strip which engage in the individual ferrite bodies.
- the ferrite bodies are also kept free of play, namely they are individually pressed against the bottom of the plug chamber by the elastic retaining strip.
- the retaining strip can be designed differently.
- one each a resilient tongue is formed, which prestresses a ferrite body which is plugged onto the pin in the direction of the bottom of the chamber. If such a tongue is in each case arranged between two ferrite bodies, one tongue rests on two opposite edge regions of the ferrite body, whereby a uniform prestressing of this ferrite body is effected, so that tilting is excluded.
- the holding strip itself can be anchored in a suitable manner in the strip body.
- Snap hooks are preferably formed on the retaining bar, which can be snapped into opposite side walls of the bar body.
- a capacitive planar filter arrangement for a number of connector pins with a common substrate is arranged in the shield housing and is soldered to the individual connector pins on the one hand and to the shield housing on the other hand. It is particularly advantageous if the planar filter arrangement in a section of the shield housing at least partially rises out of the chamber over the back of the strip body and is held with angled retaining tabs of the shield housing, the soldered connections between the filter arrangement and the plug pins on the one hand and the retaining tabs on the other hand lie in a common soldering plane set apart from the back of the strip body.
- the planar filter arrangement is preferably provided with the common substrate for a two-row or multi-row assembly. However, it is expedient to provide a symmetrical structure of the individual elements on the substrate in such a way that each row can be separated and used for single-row assembly. In the substrate a separating notch is provided between the rows of individual elements.
- the shield housing is expediently via resilient side Parts attached, which reach over the side walls of the strip body and engage with angled edge sections on the front side thereof. At these front edge sections, contact arms can also be cut free and can be resiliently bent from the front surface of the last body. In this way, the screen housing can be contacted with a mounting plate without additional measures.
- FIG. 10 shows a capacitive planar filter in plan view
- 11 and 12 show a filter connector with an additional retaining strip in two longitudinal sections
- FIG. 13 shows a view from the underside of a retaining strip according to FIGS. 11 and 12.
- the filter connector shown in FIGS. 1 to 3 has a strip body 101 made of plastic (shown in detail in FIGS. 4 to 6), which forms a chamber 102 which is open towards the rear. This chamber 102 is closed off by a screen housing 103 (shown in detail in FIGS. 7 to 9). Through the chamber 102, connector pins 104 are guided, which via capacitors of a planar filter 105 (see FIG. 10) through a cutout 121 of the shield housing 103 into the
- the connector pins 104 are arranged in a predetermined grid. On the rear side, these plug pins are bent approximately at right angles with their sections 104b, as shown in FIG. 1. Due to the symmetrical structure of the plug connector, the plug pins can be bent either to the right or to the left, depending on which side a cable (not shown) is to go out.
- a block-shaped ferrite body 105 is arranged in the chamber 102 and has bores 109 ⁇ in the grid of the plug pins.
- the ferrite body 109 is plugged onto the plug pins 104 with these bores.
- the ferrite body can be divided accordingly and then only plugged onto a row of the connector pins.
- a plurality of spring elements 111 are integrally formed, for example molded, on the ledge body 1 in the bottom region of the chamber 102, which act symmetrically on the ferrite block and pretension it towards the rear of the ledge body against the shield housing.
- the spring elements 111 each run laterally from the central region of the strip body next to a row of connector pins and have at their free ends each an extension 112 running towards the connector pins (see FIG. 4).
- a total of four spring elements 111 are provided, two next to each row of pins. If only one row of pins is to be fitted with a ferrite body, this is held by the two spring elements lying next to this row of pins, while the other two spring elements cannot be used or can be omitted.
- the shield housing 103 is placed with its base surface 115 over the back of the strip body and with resiliently widened side walls 116 each over the side walls of the strip. body pushed and locked with angled edge portions 117 on the front of the last body. These edge sections 117 each have a recess 118 with which they can be locked on corresponding support ribs 119 (see FIGS. 4 to 6).
- spring arms 120 running along the side walls are formed on the edge sections 117 and are bent away from the strip body and without additional measures a contact or ground connection when the plug connector is installed on a mounting plate 110 (see FIG. 3) surrender.
- the support ribs 119 prevent the spring arms 120 from being deformed too much when the connector is pressed against the mounting plate.
- the inwardly bent spring arms 120 which are distributed over the entire peripheral edge of the shield housing, ensure uniform contacting of the shield housing with the mounting plate 110.
- the inward-curved springs ensure that all contact forces are absorbed directly and over a large area by the strip body 101 and that a relaxation of the spring force is avoided by the flow of plastic anchors.
- the bottom of the shield housing has a large cutout 121 in the area of the chamber 102, which is delimited at the edges by holding brackets 122 projecting outwards.
- the planar filter element 105 is held and contacted with these holding angles 122.
- the planar filter element 105 is shown in plan view in FIG. It has one on a common substrate 123 6 capacitive circuit arrangement, which is not shown here in detail.
- a contact surface 124 is provided on the upper side corresponding to each plug pin, while a common ground contact surface 125 runs around the edge in the same plane. is provided at the top.
- a separating notch 126 is preformed between the two rows of contact surfaces 124.
- the twelve-pole planar filter from FIG. 10 can be divided along this separating notch into two six-pole planar filters if, for example, only one row of connector pins is to be provided with a filter in the example shown.
- the ferrite block 109 When assembling the plug connector, the ferrite block 109 is first inserted into the chamber 102 via the plug pins 104.
- the planar filter 105 is then placed over the connector pins and then pressed and held with the shield housing attached via the holding bracket 122 against the force of the spring elements 111 into the chamber.
- the shield housing 103 is snapped onto the strip body 101 in the manner described.
- the individual capacitor elements of the planar filter are then contacted by soldering the contact surfaces 124 to the plug pins 104 and the contact surface 125 to the brackets 122.
- the mounting bracket 122 Due to the shape of the mounting bracket 122, which is offset from the back of the strip body, it is possible to use both conventional soldering methods, such as dip soldering or the like, to close both the connector pins with the contact surfaces 124 and the mounting bracket 122 with the contact surface 125 in one work step solder.
- the soldering level is offset from the back of the strip body, so that the entire arrangement need not be immersed in the solder bath up to this back.
- the filter plug shown in FIGS. 11 and 12 has a strip body 1 which forms a chamber 2 which is open towards the rear. This chamber 2 is closed off by a shield plate 3 (not shown in FIG. 12). Through the chamber 2 connector pins 4 are guided, which lead through capacitors 5 enter the chamber through the shield plate 3 and are led through the bottom 6 of the chamber to the front of the plug, where they form free plug ends 4a for connection to a plug socket. The free connector ends are surrounded by a collar 7 formed on the body 1, which also has locking elements 8 for locking a connector coupling as a counterpart.
- the connector pins 4 are arranged in a predetermined grid; however, only one connector pin 4 is shown in FIG.
- One of these ferrite bodies is shown in section in FIGS. 11 and 12.
- the retaining strip which is shown in FIG. 13 alone in a view from below, has pegs 11 each formed in the grid of the connecting pins, each of which has an axial, continuous recess 12 which serves to receive the associated plug pin 4.
- the bushing 12 with a square cross section is adapted to the shape of the plug pins 4.
- the sowing ⁇ n takeaway the pin 11 is adapted to the diameter of the ferrite réelle prepare for a tolerance compensation.
- the pins 11 are frustoconical projections 13 formed on the bottom 6 of the last body, each of which protrude more or less into the inner bore of the ferrite body and thereby form a centering and a tolerance compensation.
- the retaining strip has molded, freely resilient tongues 14 between the pins 11, which are on both sides of a pin rest on the edge of an attached ferrite body and bias it against the bottom 6.
- tongues shown here, other resilient sections of the retaining strip 10 could of course also be provided.
- two tongues each could be assigned to one pin.
- the retaining strip is fastened by means of latching hooks 15 which are integrally formed on the side and which are snapped into corresponding recesses 16 in the strip body.
- latching hooks 15 are integrally formed on the side and which are snapped into corresponding recesses 16 in the strip body.
- the holding strip rests with its end sections 17 on corresponding shoulders 18 of the strip body.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8912173U DE8912173U1 (de) | 1989-10-12 | 1989-10-12 | Filter-Stecker |
DE8912173U | 1989-10-12 | ||
DE9005597U DE9005597U1 (de) | 1990-05-16 | 1990-05-16 | Filter-Steckverbinder |
DE9005597U | 1990-05-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0495778A1 true EP0495778A1 (fr) | 1992-07-29 |
EP0495778B1 EP0495778B1 (fr) | 1994-02-23 |
Family
ID=25955404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90908488A Expired - Lifetime EP0495778B1 (fr) | 1989-10-12 | 1990-06-07 | Connecteur de filtrage |
Country Status (5)
Country | Link |
---|---|
US (1) | US5246387A (fr) |
EP (1) | EP0495778B1 (fr) |
JP (1) | JP2513930B2 (fr) |
DE (1) | DE59004707D1 (fr) |
WO (1) | WO1991006136A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9112098U1 (de) * | 1991-09-27 | 1993-01-28 | Siemens AG, 8000 München | Filter-Stecker |
DE9208702U1 (de) * | 1992-06-29 | 1993-10-28 | Siemens AG, 80333 München | Filter-Steckverbinder mit Schirmgehäuse |
DE9208703U1 (de) * | 1992-06-29 | 1993-10-28 | Siemens AG, 80333 München | Filter-Steckverbinder mit Schirmgehäuse |
US5415569A (en) * | 1992-10-19 | 1995-05-16 | Molex Incorporated | Filtered electrical connector assembly |
US5286221A (en) * | 1992-10-19 | 1994-02-15 | Molex Incorporated | Filtered electrical connector assembly |
US5456616A (en) * | 1994-02-04 | 1995-10-10 | Molex Incorporated | Electrical device employing a flat flexible circuit |
US5456619A (en) * | 1994-08-31 | 1995-10-10 | Berg Technology, Inc. | Filtered modular jack assembly and method of use |
IE960312A1 (en) * | 1995-06-02 | 1996-12-11 | Alza Corp | An electrotransport delivery device with voltage boosting¹circuit |
US6267626B1 (en) * | 1996-02-22 | 2001-07-31 | Omega Engineering, Inc. | Connector for thermoelectric devices |
US6045406A (en) * | 1997-06-27 | 2000-04-04 | Omega Engineering, Inc. | Connector with protection from radiated and conducted electromagnetic emissions |
JP3451946B2 (ja) * | 1998-07-03 | 2003-09-29 | 住友電装株式会社 | コネクタ |
US6142831A (en) * | 1999-02-01 | 2000-11-07 | Aux Corporation | Multifunction connector assembly |
US6663431B1 (en) | 2002-08-30 | 2003-12-16 | International Business Machines Corporation | Shielding in a power connector |
CN104966865A (zh) * | 2015-07-13 | 2015-10-07 | 常州汇森电子有限公司 | 带插针保护套的陶瓷滤波器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3200355A (en) * | 1961-11-24 | 1965-08-10 | Itt | Electrical connector having rf filter |
US3538464A (en) * | 1963-08-20 | 1970-11-03 | Erie Technological Prod Inc | Multiple pin connector having ferrite core stacked capacitor filter |
DE3016315C2 (de) * | 1980-04-28 | 1982-04-29 | Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka | Steckverbinder mit Verbindungsstiften |
BR8401386A (pt) * | 1983-03-30 | 1984-11-06 | Du Pont | Conector de filtro |
US4791391A (en) * | 1983-03-30 | 1988-12-13 | E. I. Du Pont De Nemours And Company | Planar filter connector having thick film capacitors |
JPS62180882U (fr) * | 1986-05-08 | 1987-11-17 | ||
US4761147A (en) * | 1987-02-02 | 1988-08-02 | I.G.G. Electronics Canada Inc. | Multipin connector with filtering |
-
1990
- 1990-06-07 US US07/847,024 patent/US5246387A/en not_active Expired - Fee Related
- 1990-06-07 WO PCT/DE1990/000438 patent/WO1991006136A1/fr active IP Right Grant
- 1990-06-07 DE DE90908488T patent/DE59004707D1/de not_active Expired - Fee Related
- 1990-06-07 JP JP2508337A patent/JP2513930B2/ja not_active Expired - Lifetime
- 1990-06-07 EP EP90908488A patent/EP0495778B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9106136A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59004707D1 (de) | 1994-03-31 |
JP2513930B2 (ja) | 1996-07-10 |
US5246387A (en) | 1993-09-21 |
WO1991006136A1 (fr) | 1991-05-02 |
JPH04504330A (ja) | 1992-07-30 |
EP0495778B1 (fr) | 1994-02-23 |
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