Multiple-terminal printed-circuit conductor and its sealing process

FIELD: electrical engineering.

SUBSTANCE: proposed printed-circuit conductor 1 is provided with a number of jacks 2 for same number of terminals 3 to which magnet wires 8 are drawn by means of tool 11 to form junction by passing magnet wires 8 through terminals 3. Each jack or cavity 2 is separated from adjacent one by means of transverse partitions 4 and 4' which makes it possible to introduce sealing compound into respective cavity 2 of jack up to level 12 below input step 10 of magnet wires and above edge of terminals 3 so as to ensure that mentioned terminals and junction points between them and magnet wires 8 are immersed in sealing compound to prevent oxidation at junction points.

EFFECT: enhanced effective life of sealing compound.

8 cl, 4 dwg

 

The technical FIELD TO WHICH the PRESENT INVENTION

The present invention relates to connecting MultiTerminal printed conductor used for connections in communications technology, which come with a lot of cavities or sockets for the same number of terminals, and the connection is obtained by pulling wires and squeezing them through a tool, displacing the insulation of the wires and forming their connection with the terminal.

Innovation connecting the printed conductor is in the internal configuration of the sockets or cavities of the terminal, and that the socket or cavity made independent by transverse partitions.

An additional objective of the present invention is the provision of a method of sealing the connecting printed conductor, and the specified sealing is performed by filling the appropriate gel or fluid to a predetermined height in each of the cavities, which is terminal, so that when the gel or fluid hardens, enter the mounting wire and properly connect.

Prerequisites FOR the CREATION of the PRESENT INVENTION

Known MultiTerminal connection traces, using a pair of terminals connected to each other in the lengths of the first series for their connections, the terminal which is able to displace the insulation of the wires entered by pulling through a tool between the respective parts of the terminal, producing an offset tubular insulation for the formation of a connection between these wires and the actual terminal. That is, the connection does not perform any cutting of wires or sweep them all, but by pulling the wires with a tool through the terminals, the latter displaces the insulation and forms a connection, as was just indicated.

However, although this connection has been effective, it has a drawback, which is that the cavity or socket of the respective terminals are open for air, and allow the moisture to the appropriate wire, which can cause further oxidation, which may increase due to the frequency with which the transmitted electric signal, because the higher the frequency of the electric signal leads to a higher oxidation.

The method used to avoid this oxidation is covering the external side of the connecting printed conductor sealant, such as a liquid, gel or other suitable product, which, as a rule, are filled, and leave for drying, and the way Pres who sees the passage of a specified sealant through the slots, restrict socket connection of the printed conductor, the curing of the sealant, with specified sealant remains soft, though, and flexible.

In other cases, to prevent oxidation as a sealant use grease, which by its nature does not require curing, but even in such conditions is lost when the connection wires, and, in addition, a tool that has an impact on the terminal, makes some grease in the implementation of this technological operations, leaving the space open to the air and, therefore, subject to the above oxidation.

Thus, in order fluid used to prevent oxidation, were not displaced and is not lost during drying, connecting the printed conductor is inserted into the mold, covering the existing slots, which, obviously, does not provide effective solutions.

In other cases, as a means designed to block slots, use tar to prevent leakage of fluid before it hardened. The disadvantage of this latter method is that the resin have a limited duration, i.e. a very short period of about two days, which means that they must continually be replaced.

SU IS the ABILITY of the PRESENT INVENTION

Connecting the printed conductor described in this application was developed to overcome all the above problems and is based on a simple but highly effective solution, which has an impact on the configuration of the sockets or cavities, which are terminals, and an area of relative cover.

More specifically, the connecting printed conductor corresponding to the present invention, characterized in that the socket or cavity for different terminals are independent and separated by respective transverse partitions, which determines what each terminal is placed in a completely independent slot that can be filled with an appropriate sealant. In short, each pair of terminals is separated from adjacent pairs by the main walls, and, in turn, two terminals, which form a pair, divided by the respective intermediate partitions.

Intermediate transverse partitions located between terminals, which form a pair, have a smaller height than the main partition, in order to be able to increase the volume of the sealant and at the same time to increase the sealing efficiency with which it provides, with the loss of the smallest possible quantity of sealant during technological operations hermit the sale and subsequent connection of the wires.

Another element of novelty, which is offered with connecting printed guide, is that inside the slots or cavities, which are located in the terminal, there are some grooves or ledges for proper placement of the terminal, since the latter has a special configuration, all of this is done so that the pulling through by an appropriate tool in the led not only to offset the wires through the terminals and cutting the excess wire to the connection formation, but also formed support elements for edges that are part of the terminals and the wires in their final location.

In addition, the special and the internal configuration of the above-mentioned cavities that can accommodate the terminal, such that the upper edge of the terminal is left at a level that is below the lateral edges connecting the printed conductors and, of course, also lower edges of the transverse partitions, which divide or differentiate socket or cavity.

As for the method of sealing, it is based on pouring the gel or liquid sealant respective cavity accommodating the terminal as soon as they are installed properly, with the peculiarity that the height, you must reach the sealing gel on the inner side of the cavity or nest is, must be less than the level of the ledge, the corresponding transverse inlet slits cables, in accordance with the terminal and the point of contact between cable and shipped, however, the sealing fluid is not flowing in any direction.

Obviously, the method of sealing involves filling the cavity or socket terminals as long as the number of the corresponding gel or liquid sealant reaches a level that is above the upper level of terminals and below the upper level of the lateral edges of the actual connection of the printed conductor. All this is done in order to reach a position where the terminal and the contact area between the terminal and the circuit wires, submerged in the gel, so that after drying or curing can continue the placement and subsequent connection wires when using the tool without the risk of losing or stretching of the sealant.

To achieve this, the used sealing gel as soon as he was subjected to a drying or curing, takes gelatinase or semi-solid state with some degree of elasticity, in this case, it allows the introduction of the instrument with mounting wire and when the wire is connected and the instrument is removed, the elasticity of gelatinase the Noah mass induces gel to restore its original volume (which was before the introduction of the tool) and closes the gap which was formed by the tool during its introduction, in accordance with which the cavity is completely filled with sealant gel, which ensures sealing.

Description of the DRAWINGS

The detailed description of which will be described below with the aim of promoting a better understanding of the characteristics of the present invention, made with reference to the accompanying drawings forming an integral part thereof, which is provided only to illustrate and not to limit the present invention in which

Figure 1 - isometric image of connecting printed conductor section with the improvements disclosed in this invention, illustrating the internal configuration of compartments or cavities for different terminals, one of which is shown with a spatial separation of the parts in position for mounting in a corresponding cavity or nest, as well as the appropriate instrument through which connecting wires should be promoted to establish a connection with the terminal;

Figure 2 - isometric image of a portion connecting the printed conductor illustrated in figure 1, with the terminal mounted properly;

Figure 3 is another isometric image of connecting printed conductor with mounting wires connected to the terminal, when the eating tool is recommended when there is advanced a corresponding conductor of cable completely against the ledge cavity, the host terminal, and the formation of contact with the latter;

4 is an isometric image of the upper part of the connecting printed conductor, illustrating the levels of the individual intermediate transverse partitions, the location of the contacts and sealant.

A DETAILED DESCRIPTION of the PREFERRED alternative IMPLEMENTATION of the PRESENT INVENTION

As is evident from the accompanying drawings, the connecting printed conductor 1, the corresponding present invention, made in the form of an elongated body in which is formed the corresponding socket or cavity 2 for each pair of terminal 3 has a feature, which is that each of nests or each of the cavities 2 are formed separately and independently from the other, through the respective transverse partitions 4.

In addition, between terminals 3, which form a pair, there are other transverse and intermediate walls 4' lesser height, occupying the smallest possible volume in the cavity 2 and provides the ability to fill more of the sealant with the aim of increasing efficiency and minimizing loss of sealant during the technological operations of sealing, which will be described later. In particular, the intermediate walls 4' is close to or above the maximum height of the terminal 3, to which it is illustrated in figure 2.

In the inner part of these nests or cavities have been configured with protrusions, ledges and ribs forming, on the one hand, a support 5 for placement of one-way traverse supports the actual terminal 3, and bearings 6 or ledges to the edges of these one-way traverse supports terminal 3, there are also some ledges 7, formed for mounting wires 8. Similarly, slot or cavity 2 is delimited on the sides by means of respective edges 9, the upper edge of which forms a support or ledge 10 slots for the appropriate cable (wire) 8.

Terminals 3, as follows from the drawing, have two edges which are in mutual contact through one of its edges, while the other edges diverge and after some bends are plate-like configuration and are arranged on the inner side of the supports or ledges 5 and 6. Moreover, the plate configuration form a longitudinal slot with cutting edges made so that when the introduction of the wires 8 through the slots of terminal 3 was cutting and the corresponding offset insulating material wires 8, as well as the formation of a connection between a conductor, which in each case continues the wire, and the corresponding terminal, as shown in figure 3.

B is further characterized by these terminal 3 near the free edge of their plate configurations have the protrusion 13, which is designed for fixing the terminal 3 through the perforations of the polymer connecting the printed conductor 1.

Appropriate sealing is performed by filling the appropriate fluid, gel or sealant into the inner region of the cavity or socket 2 until you reach level 12, and the specified level 12 is at the lower height of the entrance ledge wires 8, corresponding to the side edges 9 of the connecting printed conductor 1, preventing in accordance with this overflow or leakage of the gel, although the terminal 3 and the zone of connection of the wires 8 is fully immersed in the specified gel.

When the sealant overiden or polymerized fulfill the distribution wires 8 and the connection terminals 3 so that the mounting wire 8 were pratishruti in the position of their connection through a tool 11, which is kept in a direction through the actual terminal 3 and the lateral edges 9, correctly located on them and forming their connection as described above, in this case, from figure 3 it is obvious that the mounting of the wire 8 first find support on the inner ledge 7, and then in accordance with part, continued outside on the ledge 10 of the slot which limits the upper edge of the side wings 9.

After removing the tool, due to the elasticity of the gel or sealant, the latter expands and covers the period, which was formed by the tool. Either the tool or the surface of the gel or sealant, or tool and the sealant is preferably covered with a material having low adhesion, for example a silicone or talc, or preferably a fluoropolymer, such as polytetrafluoroethylene, to reduce or minimize unwanted damage or removal of gel or sealant for the introduction and removal of the tool.

1. MultiTerminal connection of the printed conductor, suitable for producing compounds in communications technology, containing an elongated body that includes a number of cavities for the appropriate number of terminals with which the mounting wires can be connected by pulling the latter into the interior cavity using the appropriate tool, dragging in accordance with this mounting of the wire into the slots of the terminals, causing the cutting of the insulation of the wires for the formation of the electrical connections of the wires to the terminals, characterized in that the cavity (2) for each pair of terminals (3) is separated from each adjacent cavity corresponding partitions (4) to allow the fill gel or sealant in each of the cavities (2) d is I protect wires (8), moreover, the terminals (3), which form a pair within each cavity (2), separated from each other by an intermediate partition (4')and the height of the intermediate partition (4') between terminals (3) one pair is smaller than the height of the transverse partitions (4) between different pairs

2. Connecting the printed conductor according to claim 1, characterized in that each of the sockets or cavities (2) connecting the printed conductor (1) has ledges (5) and (6) to maintain and verify the relevant portions of the terminals (3), ensuring their correct location in said sockets or cavities (2).

3. Connecting the printed conductor according to claim 1, characterized in that it additionally provided with ledges (7) as supports for wires (8) after their introduction by dragging with the tool (11).

4. Connecting the printed conductor according to claim 1, characterized in that the tool and/or the surface of the gel or sealant have low adhesion or covered with a material having low adhesion, to reduce adhesion between the gel and the tool when it is used.

5. Connecting the printed conductor according to claim 1, characterized in that the gel or sealant overiden in nests or cavities.

6. Method of sealing connecting MultiTerminal printed conductor according to any one of the preceding paragraphs, characterized in that it provides a fill in the cavity (2) is suitable sealing gel or product to the level of (12) above the upper edge of the terminal (3) and a lower edge, which is defined upper input ledge (10) for mounting wires (8), the corresponding lateral edge (9) connecting the printed conductor.

7. The method according to claim 6, characterized in that at the completion of the filling of the sealant his then subjected to drying, or curing, after which connect the terminals (3) and mounting wires (8), terminal (3)and the connection between terminals and mounting wires (8) are fully immersed in the specified gel.

8. The method according to claim 6, characterized in that the tool and/or the surface of the gel or sealant have low adhesion or covered with a material having low adhesion, to reduce adhesion between the gel and the tool when it is used.



 

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