EP2643909A1

EP2643909A1 - Overvoltage protection magazine

Info

Publication number: EP2643909A1
Application number: EP11788768.7A
Authority: EP
Inventors: Heiko Neumetzler; Joachim Stark
Original assignee: Tyco Electronics Service GmbH
Current assignee: Commscope Technologies LLC
Priority date: 2010-11-23
Filing date: 2011-11-02
Publication date: 2013-10-02
Also published as: RU2591184C2; DE102010051920A1; WO2012069136A1; DE102010051920B4; RU2013128596A

Abstract

The invention relates to an overvoltage protection magazine (1) for a telecommunications and data device (20), comprising a housing, a circuit board (6), a plurality of overvoltage protection elements (7), at least one ground contact (11), and a plurality of interface contacts, by means of which the overvoltage protection elements (7) can be electrically connected to the device (20), wherein the interface contacts are designed as double contacts, which each have a first contact (9) and a second contact (10), wherein the first contact (9) is designed as a circuit board contact, which is electrically connected to an overvoltage protection element (7) on the circuit board (6), and the second contact (10) is designed as a circuit board plug contact, by means of which a circuit board of the device (20) can be electrically contacted.

Description

Overvoltage protection magazine

The invention relates to a surge protection magazine having the features of the preamble of claim 1.

From DE 10 2009 007 338 B3 an overvoltage protection magazine for a device of telecommunications and data technology is known, comprising a housing, a printed circuit board, several surge arrester and at least one ground contact, the Überspannungsabieiter are arranged on the circuit board and conductor tracks with on the circuit board arranged contact pads are connected, which in the inserted state in electrical contact with contacts of the device for the

Telecommunications and data technology come, wherein the housing has at the bottom of slot-shaped openings for the contact pads carrying parts of the assembled printed circuit board and having at least one opening for the at least one ground contact, which through the opening

plugged portion of the ground contact is designed as a single-fork contact, wherein the opening for the ground contact is a slot-shaped opening for the printed circuit board or a separate slot-shaped opening which is in line with the slot-shaped openings of the circuit board, wherein the ground contact a second simple -Gabelkontakt which contacts the circuit board, wherein the planes of the two single-fork contacts are rotated by 90 ° to each other, wherein the ground contact in one piece

is trained. The contact pads represent interface contacts between the overvoltage protection magazine and the device, the contact pads being inserted into isolating contacts of the device.

The invention is based on the technical problem, a

Overvoltage protection magazine to create a subsequent

Shading the device less obstructed. The solution of the technical problem results from the subject matter with the features of claim 1. Further advantageous embodiments of the invention will become apparent from the dependent claims.

For this purpose, the overvoltage protection magazine for a device of telecommunication and data technology includes a housing, a printed circuit board, a plurality of overvoltage protection elements, at least one ground contact and a plurality of interface contacts, by means of which the

Overvoltage protection elements are electrically connected to the device, wherein the interface contacts are formed as double contacts, each having a first contact and a second contact, wherein the first contact is formed as a printed circuit board contacts, which is electrically connected to an overvoltage protection element on the circuit board, and the second contact than PCB plug contact, especially as

Fork contact or spring contact, is formed by means of which

electrically a circuit board of the device is contacted. This makes it possible to protect the device from overvoltages without the

Beschaltbarkeit of the contacts of the institution to affect. The overvoltage protection magazine in this case represents a printed circuit board connector, which is simply at a suitable location on a circuit board of

Device can be plugged. In contrast to firmly applied on the circuit board of the device overvoltage protection elements results in a flexible use and easy replacement of the

Overvoltage protection. The overvoltage protection elements can

For example, be diodes and / or surge arrester. The first

Contact may be formed, for example, as a solderable pin contact or as a press-fit contact. By forming the second contact as a fork contact tolerances can be compensated very easily, so that a simple tool-free contact with sufficient

Contact force results because both legs of the fork contact against the

Press the circuit board of the device. In one embodiment, the first contact of the

Interface contact designed as a fork contact, which can be made in terms of the advantages of the previous statements to the second contact. For this purpose, the circuit board with the

Overvoltage protection elements preferably corresponding contact pads with conductors on the interface contacts with the

Overvoltage protection elements are electrically connected.

In a further embodiment, the housing is at least two parts, so that the assembly of the overvoltage protection magazine is facilitated. In principle, however, one-piece housing are possible.

In a further embodiment, the at least one earth contact is more advanced than the second contacts of the interface contacts. This ensures that only the ground contact is made before the overvoltage protection elements with the

Telecommunication lines are connected.

In a further embodiment, the earth contact is formed as a double contact, wherein a first contact a ground conductor on the

Printed circuit board contacted with the overvoltage protection elements and the second contact for contacting a ground terminal of the device is used. The ground terminal of the device can be an external

Grounding rail or an electrically conductive support frame. But it is also possible that the ground terminal is arranged on the circuit board of the device, which is then connected, for example, to the carrier.

However, an external ground connection is preferred because then the

Overcurrents do not have to be routed through the circuit board of the device.

In another embodiment, the earth contact is designed as a double fork contact, ie both the connection to the circuit board with the overvoltage protection elements as well as the connection to the

Ground connection via a fork contact. In addition, the respective fork contact itself may also be designed as a double fork contact with two parallel fork contacts.

In a further embodiment, the second contact of the earth contact is parallel or rotated by 90 ° to the second contacts of

Interface contacts arranged. In this case, the second contact of the ground contact is preferably arranged in parallel when the ground connection is made on the circuit board of the device or on a separate grounding rail. Turned by 90 °, the second Kotakt the ground contact, if the ground connection, for example via a mounting tray.

In a further embodiment, each have a first housing part and a second housing part on rib-shaped elements, which are preferably arranged offset from one another and are guided past each other. As a result, an air and creepage distance between the

Interface contacts improved.

In a further embodiment, the second contact of the earth contact is guided outside the housing. It should be noted in general that preferably two earth contacts are present in order to divide the streams better.

The invention will be described below with reference to a preferred

Embodiment explained in more detail. The figures show:

Fig. 1 is a perspective view of an assembled

Overvoltage protection magazine,

Fig. 2 is a perspective view with the first removed

Housing part, 3 is a perspective view with removed second housing part,

Fig. 4 is a side view of Uberspannungsschutzmaga

Fig. 5 is a sectional view taken along section B-B in Fig. 4 and

Fig. 6a-6c a device of telecommunications and data technology with the overvoltage protection magazines according to the invention.

In Fig. 1, the overvoltage protection magazine 1 is shown. The

Overvoltage protection magazine 1 comprises a first housing part 2 and a second housing part 3. The first housing part 2 and the second housing part 3 are locked together. For this purpose, the first housing part 2

Locking openings 4 (see Fig. 3) and the second housing part 3 locking lugs 5 (see Fig. 2). Furthermore, the overvoltage protection magazine 1 has a printed circuit board 6 on which overvoltage protection elements 7 are arranged (see FIG. 2). The overvoltage protection elements 7 are not over

illustrated interconnects electrically connected to contact pads, not shown. The contact pads can be arranged on one side or on both sides of the circuit board 6. Next, the

Overvoltage protection magazine 1 interface contacts in the form of double fork contacts 8 (see, for example, Fig. 5). The first contact 9 of the double fork contact 8 contacts the contact pads described above, while the second contact 10 is used for contacting a printed circuit board of a device for telecommunications and data technology. It should be noted that in Fig. 2 right or in Fig. 3 left some double fork contacts 8 have been removed. Finally, that includes

Overvoltage protection magazine 1 two ground contacts 11, which are also designed as double fork contacts. It should again be noted that in FIGS. 2 and 3 each have a ground contact 11 was removed. The first fork contact 12 of the ground contacts 11 contacts a contact pad, not shown, on the printed circuit board 6, which is connected to a common ground line of the overvoltage protection elements 7 on the printed circuit board 6. The second fork contact 13 serves for contacting a grounding rail. The first and second fork contact 12, 13 is aligned parallel to the first and second contacts 9, 10 of the double fork contacts 8. In this case, however, the second fork contact 13 is slightly ahead compared to the second contacts 10, ie the fork contact 13 is slightly closer to a lower edge 14 of the second housing part 3, which is guided outside of the second housing part 3.

The first housing part 2 further has four on each side surface

semi-cylindrical indentations 15 with a free cut 16 on. The free cuts 16 form a semicircular support surface for a cover strip 17 (see FIG. 5), which serves in particular as contact protection. Next, the first housing part 2 rib-shaped elements 18 (see Fig. 3), between which the double fork contacts 8 are guided. Next, the second housing part 3 has rib-shaped elements 19 (see Fig. 2), between which the double fork contacts 8 are guided. in the

assembled state overlap the staggered arranged rib-shaped elements 18, 19 and thus increase an air and creepage distance between the double-fork contacts 8. It should be noted that the rib-shaped elements 18 are arranged only in the lower region of the first housing part 2, in the the double fork contacts 8 are guided.

In Figs. 6a-c is a device 20 of the telecommunications and

Data technology presented. The device 20 is designed as a distributor connection module, wherein by a pivoting mechanism

Distribution module can be swiveled 90 ° to the left or right. In this case, the distributor connection module in FIG. 6a is in one Starting situation, in Fig. 6b by 90 ° to the right and in Fig. 6c by 90 ° to the left from the initial situation shown pivoted. The

Distributor connection module has a T-shaped housing 21, on the back of a grounding rail 24 is arranged (see Fig. 6b). In the T-shaped housing 21 printed circuit boards are arranged. When

PCB connectors 22 formed input contacts are each a printed circuit board with a PCB connector 23 as

Output contacts connected, wherein on the circuit board functional elements may be arranged, which electrically between the input and

Output contacts can lie. For this purpose, the T-shaped housing 21 has slot-shaped openings through which the printed circuit boards for the

PCB connectors 22, 23 are accessible. Accordingly, an overvoltage protection magazine 1 according to the invention can be plugged onto a printed circuit board in the T-shaped housing. For this, the printed circuit board only needs to be structured accordingly. As shown particularly in FIG. 6c, the overvoltage protection magazines 1 do not obstruct the charging of the wire connection contacts of the printed circuit board connectors 22, 23. Furthermore, the overvoltage protection magazines 1 can be very easily retrofitted or replaced.

LIST OF REFERENCE NUMBERS

1 overvoltage protection magazine

2 first housing part

3 second housing part

latching openings

5 locking lugs

circuit board

Snubbers

Double-fork contacts

first contacts

10 second contacts

11 earth contacts

12 first fork contacts

13 second fork contacts

14 lower edge

15 indentations

16 free cuts

17 cover strips

18 rib-shaped elements

19 rib-shaped elements

0 Establishment of telecommunications and data technology 1 T-shaped housing

2 PCB connectors

3 PCB connectors

4 earthing bar

Claims

claims

1. overvoltage protection magazine for a device of

Telecommunications and data technology, comprising a housing, a printed circuit board, a plurality of overvoltage protection elements, at least one ground contact and a plurality of interface contacts, by means of which the overvoltage protection elements electrically connected to the device

are connectable,

characterized in that

the interface are formed as double contacts, each having a first contact (9) and a second contact (10), wherein the first contact (9) is designed as a printed circuit board contact electrically with an overvoltage protection element (7) on the

Printed circuit board (6) is connected, and the second contact (10) as

Printed circuit board plug contact is formed, by means of which a printed circuit board of the device (20) is electrically contacted.

2. Overvoltage protection magazine according to claim 1, characterized

characterized in that the first contact (9) of the double contacts is designed as a fork contact.

3. Overvoltage protection magazine according to claim 1 or 2, characterized

characterized in that the housing is formed at least in two parts.

4. Overvoltage protection magazine according to one of the preceding

Claims, characterized in that the at least one

Earth contact (11) protrudes further than the second contacts (10).

5. Overvoltage protection magazine according to one of the preceding

Claims, characterized in that the ground contact (11) is designed as a double contact, wherein a first contact (12) a Ground strip on the circuit board (6) with the

Overvoltage protection elements (7) contacted and the second contact (13) for contacting a ground terminal of the device (20) is used.

6. Overvoltage protection magazine according to claim 5, characterized

characterized in that the earth contact (11) is designed as a double fork contact.

7. Overvoltage protection magazine according to one of the preceding

Claims, characterized in that the second contact (13) of the ground contact (11) parallel or rotated by 90 ° to the second

Contacts (10) of the interface contacts is arranged.

8. Overvoltage protection magazine according to one of claims 3 to 7,

characterized in that a first housing part (2) and a second housing part (3) each have rib-shaped elements (18, 19).

9. Overvoltage protection magazine according to claim 8, characterized

in that the rib-shaped elements (18, 19) are offset relative to one another and are guided past one another.

10. Overvoltage protection magazine according to one of the preceding

Claims, characterized in that the second contact (13) of the ground contact (11) is guided outside of the housing.