High Power Plug Connector System

Abstract

The invention relates to an insulator for a high-power plug connector system, the insulator having at least one stop shaped portion for limiting the insertion path into the high-power plug connector system and at least one recess, the recess enabling a receivable high-power contact to contact at least one conductor rail, wherein the insulator has at least one retaining shaped portion, which is located near the stop shaped portion on the circumference of the insulator.

Description

Technical Field

[0001] The invention is based on an insulator for a high-power plug connector system, which has at least one stop forming portion for limiting the insertion path into the high-power plug connector system and at least one recess, which enables a high-power contact inserted into the insulator to contact at least one conductive rail of the high-power plug connector system.

[0002] Insulators of this type are used to insulate high-power cables in high-power plug connector systems from the environment, which cables must not come into contact with live parts, for example for safety reasons. Particular attention is paid here to suitability for use in the underfloor area of ​​rail vehicles, in particular for the connection of rail cars and rail carriages to one another. Background Art

[0003] Solutions known in the prior art are capable of transmitting and / or distributing high currents and / or voltages between vehicles or between vehicles with attached modules. However, these solutions usually provide for disadvantageous and partly non-releasable fixing of the corresponding contact elements.

[0004] A particular disadvantage of the prior art is the lack of ease of maintenance and the often high space requirement. In particular, in situations where the contact elements are subject to great stresses, such as in the field of rail transportation, the need for repair and maintenance is increasing due to increasing requirements, such as increased electrocorrosion due to currents exceeding 500 A.

[0005] Various designs of insulators are known in the prior art, but none of them allow for quick and easy assembly or mounting. In particular in the field of high-power plug connectors, it is desirable that relatively large components be easy to handle during assembly, maintenance and / or repair. The prior art does not provide a satisfactory solution in this regard.

[0006] The German Patent and Trademark Office searched the following prior art in the priority application of the present application: DE 60006937 T2, DE 60004607 T2, DE 31 18490 A1 and EP 0863579 A2. Summary of the invention

[0007] The object of the invention is to provide an insulator for a high-power plug connector system which is particularly easy to handle during assembly, maintenance and / or repair.

[0008] Another object of the present invention is to provide a high-power plug connector system designed for use with the insulator according to the present invention.

[0009] One embodiment provides an insulator for a high-power plug connector system, the insulator having at least one stop forming portion for limiting the insertion path into the high-power plug connector system and at least one recess, the recess enabling the receivable high-power contact to contact at least one conductive rail, wherein the insulator has at least one retaining forming portion, the retaining forming portion being located near the stop forming portion at the periphery of the insulator. Here, the insulator and the high-power plug connector are particularly designed for currents greater than or equal to 80 amperes, preferably greater than 500 amperes, and in particular currents in the range of 800 amperes. In addition, current intensities in the range of 1000 amperes or even 1200 amperes can be achieved. It is therefore particularly ensured that applications in the area of ​​rail vehicles, in particular in the area under the floor of carriages, rail cars and rail cars, are possible. The term "near" with respect to the distance between the retaining forming portion and the stop forming portion is basically understood as a distance less than or equal to 25 mm. In particular, the term "near" is understood as a distance less than or equal to 10 mm. The term "in the vicinity" is preferably understood as a distance less than or equal to 5 mm.

[0010] A preferred embodiment provides that the retaining shaped portion is designed to move in a form-locking engagement with at least one fastening shaped portion on the cable connection housing of the high-power plug connector system. This means in particular that the retaining shaped portion is formed as at least one protrusion on the insulating body. A radially shaped retaining shaped portion plays a particularly advantageous role here, wherein the retaining shaped portion can be engaged with the fastening shaped portion in the form of a bayonet connection.

[0011] In a meaningful embodiment, the retaining shaped portion is designed to be substantially identical to the fastening shaped portion. This means that the retaining shaped portion is first guided through a through hole in the cable connection housing at least in one orientation. After the insulator is rotated, the retaining shaped portion and the fastening shaped portion engage in an overlapping manner. Other shaped elements can ensure locking here. For this purpose, the retaining shaped portion and the fastening shaped portion can have, for example, tongues, cams, wedges or similar elements that engage with each other.

[0012] In a clever embodiment, the retaining shaped portion is guided through at least one opening in the cable connection housing for fastening, wherein the opening is connected to the through-hole. This means that the retaining shaped portion extends substantially beyond the radius of the through-hole. The corresponding fastening shaped portion thus substantially defines the radius of the through-hole, but allows the retaining shaped portion of the insulating body to pass through the at least one opening.

[0013] In another embodiment, the retaining shaped portion is designed to be substantially consistent with the opening. This embodiment ensures in a simple manner that the retaining shaped portion can be guided through the through hole so as to subsequently engage with the fastening shaped portion. It is particularly smart to design the retaining shaped portion, the fastening shaped portion and the opening to be consistent.

[0014] One embodiment provides that the retaining shaped portion and the fastening shaped portion are oriented in the operating state so that the recess enables the assembly of the (conductive) track with the high-power contact received by the insulator. This means that the insulator faces the recess in the direction of the (conductive) track in the cable connection housing in which the high-power contact carried by the insulator is fixed after the retaining shaped portion and the fastening shaped portion are engaged. For example, the insulator is arranged in the operating state so that the recess faces the direction of the housing cover of the cable connection housing. In this way, the (conductive) track for transmitting current and / or voltage can then be applied to the high-power contact and fixed, for example, by screws.

[0015] In another embodiment, the insulating body is provided with at least one shaped element at least on the interior side, which advantageously increases the air gap and the creepage distance. Advantageously, the shaped element is designed essentially in a wave-like manner. In this case, the wave-shaped shaped part is formed by at least two rings which are circumferentially arranged on the interior side of the insulating body and are spaced apart from one another. In this case, a materially bonded connection of the ring to the insulating body is particularly useful. Above all, the embodiment of the ring being molded onto the insulating body is intelligent.

[0016] Another object is achieved by a high-power plug connector system for connecting and / or for distributing current and / or voltage, wherein the high-power plug connector system has a cable connection housing and an inner space, the inner space having at least two through holes, and at least one insulator can be inserted into the through holes respectively. In this case, the cable connection housing has at least one fastening shaped portion arranged on the through hole, and the fastening shaped portion is designed to fix the insulator in a form-locking manner. The through hole is particularly preferably provided with at least one opening, which is formed at least in accordance with the retaining shaped portion of the insulator. In order to facilitate assembly, the opening can be designed to be slightly larger than the retaining shaped portion. The high-power plug connector system designed in this way discloses a design that is generally more compact than the prior art due to the receiving capacity of the insulator according to the present invention. In addition, the interaction of the retaining shaped portion of the insulator and the fastening shaped portion of the cable connection housing is particularly improved, which is assembly, maintenance and / or repair of this high-power plug connector system. Due to the required size of the cable connection housing, the position of the cable connection housing may need to be changed during assembly, maintenance and / or repair. By engaging the retaining and fastening formations, the user can first insert the insulator into the cable connection housing and secure it there so that the insulator can be received and otherwise positioned in the cable connection housing without the insulator losing its intended positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Embodiments of the invention are shown in the drawings and are explained in more detail below. In the drawings:

[0018] Figure 1 shows a side view of an insulator according to the present invention;

[0019] Figure 2 shows a view of the insulator viewed from the interior space side;

[0020] Figure 3 shows a view of a high power plug connector system with three inserted insulators;

[0021] Figure 4 A view of a cable connection housing of a high-power plug connector system is shown.

[0022] The drawings contain partially simplified schematic diagrams. In some cases, the same reference numerals are used for identical, but not necessarily identical, elements. Different views of the same element may be scaled differently.

[0023] Directional descriptions such as "left," "right," "upper," and "lower" should be understood with reference to the corresponding drawings and may vary in the various views relative to the objects represented. DETAILED DESCRIPTION

[0024] Figure 1 A side view of an insulator 1 according to the invention is shown. Figure 2 The insulating body 1 according to the invention is shown viewed from the interior side 11 in the direction of the retaining shaped portion 12. The structure is essentially configured in the form of a hollow cylinder having a plug connector side 10 and an interior side 11. The plug connector side 10 and the interior side 11 are separated by the retaining shaped portion 12. In the embodiment shown, the retaining shaped portion 12 is designed as a circumferential ring. At least one retaining shaped portion 13 is located near the retaining shaped portion 12 on the interior side 11. In the embodiment shown, three retaining shaped portions 13 are formed on the interior side 11 of the insulating body 1. The retaining shaped portions 13 are essentially arranged circumferentially offset from each other by 120°, which is Figure 2 . In addition, the interior space side 11 has a corrugated section 14, which is designed to enlarge the air gap and creepage distance in the interior space 8 of the cable connection housing 4 in an advantageous manner. The corrugated section 14 is essentially a plurality of rings formed around. It is particularly significant that the corrugated section 14 is formed with at least two rings, preferably at least 4 rings, or ideally, as in the case shown, at least 6 rings. Finally, the embodiment shown is also provided with a recess 15, which enables the conductor rail 3 arranged in the cable connection housing 4 to engage with the high-power contact 5 inserted into the insulating body 1 in a particularly space-saving manner.

[0025] Figure 3 The interaction of the individual components of the high-power plug connector system 2 is shown. Here, the cable connection housing 4 can first be seen. Such a cable connection housing 4 is usually a metal housing that is at least largely painted. In the interior space 8 formed in the cable connection housing 4, an insulating shell 6 can be seen. Three insulating bodies 1 with high-power contacts 5 inserted therein protrude into the interior space 8. The high-power contacts 5 have a flat area on which the conductor rails 3 can be placed. The threaded openings on the high-power contacts 5 enable the conductor rails 3 to be fixed by means of fastening elements 7 (e.g. hexagonal screws). For a person skilled in the art, the use of other or similar fastening elements and / or shaft-hub joints is self-evident. Finally, this view also clearly shows that the corrugated section 14 of the insulating body 1 has a favorable effect on the air gap and creepage distance in the interior space 8 from the conductor rails 3 and the high-power contacts to the cable connection housing 4. In addition, the insulating shell, not shown, inserted into the insulating shell 6 shown ensures that the air gap and creepage distance are maintained at least as specified. Ideally, the nesting of the insulating shells is carried out at least slightly actively in an over-specified manner. It can also be seen that the retaining molding 13 of the insulating body 1 bears against the cable connection housing 4. For this purpose, the insulating body 1 is guided through a through-hole 9 arranged in the cable connection housing 4. Figure 4It can be clearly seen that the through hole 9 has a fastening profile 20. It is also clear that the fastening profile 20 is separated by an opening 21. The opening 21 enables the insulator 1 and its retaining profile 13 to be respectively passed through the through hole 9 and then, by rotating the insulator 1, the insulator is arranged on the fastening profile 20 with its retaining profile 13 in a form-fitting manner.

[0026] Even if different aspects or features of the present invention are shown in combination in the accompanying drawings, unless otherwise specified, it is obvious to those skilled in the art that the combinations shown and discussed are not the only possible ones. In particular, corresponding units or feature combinations from different embodiments can be exchanged with each other.

[0027] Reference numerals list

[0028] 1 Insulator

[0029] 2High Power Plug Connector System

[0030] 3 Conductor rails

[0031] 4 Cable connection housing

[0032] 5 high power contacts

[0033] 6Insulation shell

[0034] 7 Fastening elements

[0035] 8. Internal Space

[0036] 9 Through Holes

[0037] 10 Plug connector side

[0038] 11Interior Space Side

[0039] 12 stop forming part

[0040] 13. Maintaining forming section

[0041] 14 corrugated forming part

[0042] 15 recesses

[0043] 20 Fastening forming part

[0044] 21 Openings

Claims

1. An insulator (1) for a high-power plug connector system (2), the insulator having at least one stop forming portion (12) for limiting the insertion path into the high-power plug connector system (2) and at least one recess (15), the recess enabling a high-power contact (5) inserted into the insulator (1) to contact at least one conductive rail (3) of the high-power plug connector system (2), characterized in that: The insulating body (1) has at least one retaining shaped portion (13) which is located on the circumference of the insulating body (1) in the vicinity of the stop shaped portion (12), wherein the insulating body (1) and the high-power plug connector system (2) are designed for currents greater than or equal to 80 amperes.

2. The insulator (1) according to claim 1, characterized in that The retaining shaped portion (13) is designed to move in a form-locking engagement with at least one fastening shaped portion (20) on the cable connection housing (4) of the high-power plug connector system (2).

3. The insulator (1) according to claim 2, characterized in that The retaining shaped portion (13) is designed to be substantially consistent with the fastening shaped portion (20).

4. The insulator (1) according to any one of claims 2 to 3, characterized in that For fastening, the retaining shaping (13) is firstly guided through a through-hole (9) in the cable connection housing (4).

5. The insulator (1) according to claim 4, characterized in that The retaining shaping (13) is guided through at least one opening (21) in the cable connection housing (4) for fastening, wherein the opening (21) is connected to the through-hole (9).

6. The insulator (1) according to claim 5, characterized in that The retaining shaped portion (13) is designed to be substantially consistent with the opening (21).

7. The insulator (1) according to any one of claims 2 to 3, characterized in that The retaining shaped portion (13) and the fastening shaped portion (20) are oriented in an operating state such that the recess (15) enables the assembly of the conductor rail (3) with a high-power contact (5) received by the insulating body (1).

8. The insulator (1) according to any one of claims 1 to 3, characterized in that The insulating body (1) is provided with at least one shaped element at least on the interior side (11), which extends the air gap and the creepage distance.

9. The insulator (1) according to claim 8, characterized in that The shaping element is designed as a corrugated shaping portion (14).

10. The insulator (1) according to claim 9, characterized in that The corrugated portion (14) is formed by at least two rings which are arranged around the interior side (11) of the insulating body (1) and are spaced apart from one another.

11. A high-power plug connector system (2) for connecting and / or for distributing current and / or voltage, the high-power plug connector system having a cable connection housing (4) and an inner space (8), wherein: The inner space (8) has at least two through holes (9), into which at least one insulating body (1) according to any one of claims 1 to 10 can be respectively inserted, characterized in that the cable connection housing (4) has at least one fastening shaped portion (20) arranged on the through hole (9), and the fastening shaped portion is designed to fix the insulating body (1) in a form-locking manner.

12. The high-power plug connector system (2) according to claim 11, characterized in that The through-hole (9) has at least one opening (21) which is shaped at least in conformity with the retaining shaping (13) of the insulating body (1).

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