EP3791447A1

EP3791447A1 - Plug connector having shock hazard protection

Info

Publication number: EP3791447A1
Application number: EP19723309.1A
Authority: EP
Inventors: Marc Lindkamp; Günter Pape
Original assignee: Harting Electronics GmbH and Co KG
Current assignee: Harting Electronics GmbH and Co KG
Priority date: 2018-04-20
Filing date: 2019-04-10
Publication date: 2021-03-17
Also published as: US20210057847A1; US11637397B2; CN112005441A; DE102018109557A1; WO2019201387A1; CN112005441B

Abstract

The invention relates to a plug-side first electrical plug connector (1) having at least two flat electrical contact elements (13) arranged in parallel next to one another, which extend in a housing (10) of the plug connector (1) in the insertion direction of the plug connector (1) in order to connect to a corresponding, socket-side second plug connector (2) in the direction of an opening of the housing (10). A plastic tip (131) is formed on one end of a contact region (130) of the contact elements (13), and at least one dome-like shock hazard protection element (101, 102) is additionally provided in the housing (10), which extends in the insertion direction adjacent to the contact elements (13) and protrudes beyond the contact region (130) of the contact elements (13) by a predetermined amount. The plug connector (1) is suitable for an inverter of a motor vehicle in order to supply power to an auxiliary unit of the motor vehicle, wherein the first plug connector (1) is designed such that shock hazard protection of the contact elements (3) for a human finger and/or reliable operating security is provided.

Description

CONNECTOR WITH A TOUCH PROTECTION

description

The invention relates to a contact protection and / or a reliable operating safety having connectors in particular a secondary inverter, in particular one

Power supply network of a motor vehicle.

Inverters with connectors are used for the

Power supply of ancillaries in motor vehicles, for example, to operate an air conditioner and / or a

Power steering pump, etc. needed. After doing this on a

Connectors fitting output voltage can be several hundred volts and in vehicles is a sensitive environment for electrical connections or contacts, which may be damp and dusty, it is necessary such connectors in particular also to protect an operator with a

Equip shock protection.

Due to the high currents and / or voltages, high safety requirements are imposed. So is according to European standards, such. For example, IEC / EN 61984 requires contact elements of such connectors to be protected against contact by a human finger.

For a corresponding test, a so-called test finger is provided which is intended to simulate a human fingertip and is pressed with a prescribed test force against sections or openings of the plug element, via which the contact elements are accessible without it coming into contact with current-carrying sections of the contact elements may. State of the art

DE 10 2010 035 943 A1 proposes an electrical pin contact element for a connector in automotive engineering with a

Shock protection body which extends along two opposite sides of the pin contact element. The above document deals in detail with the mathematical / geometric relationships between the arrangement and design of the pin contact element and contact protection body to a normalized test finger for simulating a contact of the pin contact element with a human finger.

An electrically contactable upper end of the pin contact element of DE 10 2010 035 943 A1 lies between the

Berührschutzkörpern for a direct contact in the insertion direction of the connector further disadvantageously free.

The German Patent and Trademark Office has in the priority application for the present application the following state of the art research: DE 10 2012 105 839 A1, DE 20 2015, 009 490 U1, US 2017/0025797 A1 and US 5,571,023 A.

task

The object of the invention is to have a touch protection and / or a reliable operating safety

Connector in particular an inverter of a

Motor vehicle specify.

The task is characterized by the characterizing features of

independent claim 1 solved. Advantageous embodiments of the invention are set forth in the subclaims and / or the following description, which is accompanied by schematic drawings. In particular, the invention relates to a plug-in electrical connector having at least two flat, parallel juxtaposed electrical contact elements, which in a

Housing of the connector in the insertion direction of the connector for connection to a corresponding with it jack-side connector in the direction of an opening of the housing extend.

At one end of a contact region of the contact elements, a plastic tip is formed, and in the housing at least one domartiger Berührschutzkörper is also provided which extends adjacent to the contact elements in the insertion direction and thereby has a predetermined height which corresponds at least approximately to the height of the contact region of the contact elements ,

Here, the Berührschutzkörper particularly advantageously have a height that the Berührschutzkörper the contact area of the

Contact elements surmounted by at least a predetermined amount.

The contact protection elements adjacent to the contact elements can be arranged at a predetermined distance from the contact elements, in particular.

The connector is advantageously designed such that a protection of its contact elements is provided against contact with a human finger and / or reliable operating safety of the connector. For this purpose, the Berührschutzkörper at least the contact region of the contact elements in the insertion direction as stated above, suitably by a predetermined Surpass the amount that is selected such that contact with the contact area is excluded in particular with a test finger according to IEC / EN 61984 both in the plugging direction and also at an angle to the plugging direction. It is also clear that this also the aforementioned predetermined distance of

Shock protection body is suitably selected to the contact elements.

Such a protruding test finger is capable of simulating a touch with a human finger, thus also excluding contact with a human finger.

After the end of the contact region of the contact elements is provided in addition to the Berührschutzkörper with a plastic tip, which isolates the end of the contact elements, it is advantageous also largely any contact of the

Contact area excluded in the plug-in direction of the connector.

By means of the above combination of an adjacent to the contact elements Berührschutzkörpers with the plastic tip of

Contact elements accordingly a connector is provided which has a particularly reliable contact protection and / or a particularly reliable operating safety.

The plastic tip is at the protruding end of the

Contact region of the contact elements provided, wherein the

Contact elements for a stable stationary mounting of the

Plastic tip can have a suitable holding geometry.

The holding geometry can be designed as a truncated extension with a suitable contour, and / or have a suitable hole. The plastic tip can be used as one with the Holding geometry form-fitting corresponding cap to be formed, which locks stable and stationary with the holding geometry, wherein the plastic tip can also be glued to the holding geometry.

For this purpose, the plastic tip can be particularly advantageous for the projecting end of the contact region of the contact elements

be molded, after which the plastic tip sits very stable and stationary on a contact element.

The contact protection body may be provided as the housing of a suitable insulating plastic, wherein the

Berührschutzkörper suitable manner may be formed integrally with the housing.

A one-piece design of housing and Berührschutzkörper allows a simple and inexpensive production and a desirable stability of Berührschutzkörpers in the housing.

On the socket-side and / or plug-in connector can also be provided an advantageous locking mechanism for releasably fixing the interconnected connector. Suitably, the socket-side connector for this purpose have at least one locking hook, with a corresponding with him on the housing or on a wall feedthrough of the housing for mounting the connector for his

intended use locking lug provided

interacts.

In this way, an inadvertent solution / separation of a connection of the two connectors is largely excluded, which in addition to the above contact protection

Touch guard in advance of a possible contact and thus In particular, a desirable reliable operating safety of the connector is provided.

It is advantageous, moreover, to provide a further shock protection on the connector which stably and reliably prevents any contact of the contact elements from outside the housing. This may suitably on the housing or on a

Wall bushing for the housing for mounting the connector for its intended use a swiveling

Protective flap may be provided, which may be advantageously equipped with a suitable releasable locking mechanism.

Such a projecting protective flap may suitably have at least one locking hook, which also corresponds to the latching nose described above and cooperates. Accordingly, the latch has an advantageous

Double function as part of a locking mechanism for the socket-side connector as well as the protective flap on the plug-in connector on.

In this case, a locking hook of the protective flap can continue to correspond correspondingly to a locking hook and / or the

Housing of the socket-side connector may be formed such that the protruding locking hooks can be latched together with connected plug-in and socket-side connector and / or the locking hook of the protective flap with the housing of the socket-side connector can be latched.

In this way, an advantageous secondary locking for the socket-side connector is provided on the plug-in connector. A protruding locking hook of the protective flap Therefore, as the above locking lug has an advantageous

Double function on.

This measure also contributes to an unintentional

Solution / separation of a compound of the two connectors as far as possible to exclude, which in particular a desirable reliable operating security already in advance of any possible contact with the contact elements of the

Connector is provided.

It is advantageous in the socket-side connector at least one recess corresponding to one in each case

form above-described Berührschutzkörper that a guide for connection and / or separation of the plug-side and socket-side connector is provided. In this way, a faulty contacting of the contact elements of the plug-in connector with corresponding corresponding

Contact elements of the socket side in the connection and / or separation largely excluded.

An above-described contact protection body accordingly also has an advantageous dual function. By means of the

Shock protection body as described above, on the one hand in combination with the protruding plastic tip reliably prevents contact of the contact region of the contact elements. In addition, by means of the Berührschutzkörper a secure guide to

Connection / disconnection of the plug and socket side

Connector provided.

In this case, by means of such a Berührschutzkörper in

Interaction with a suitable, corresponding

Recess of the socket-side connector also a Stop be provided for the socket-side connector, like the guide described above, a malfunction in connection / disconnection of the two connectors on the part of a

Operator can largely exclude.

An equipped with a protruding contact protection plug-in connector can also at least a first

As described above, the contact region of its contact elements can project beyond at least a first predetermined amount, and also have at least one second contact protection body with a fleas that corresponds at least approximately to the fleas of the contact region of the contact elements.

It is advantageous that the second contact protection body in this case has a fleas, so that it at least the contact area of the

Contact elements surmounted by a second predetermined amount. The second shock protection body can be like the first

Berührschutzkörper at a predetermined suitable distance in particular spaced and be arranged adjacent to the contact elements.

The above first and second Berührschutzkörper can this case suitably in such a manner corresponding to a first or

second recess of the housing of the socket side

Be configured connector that is provided by means of the first and second Berührschutzkörpers in cooperation with the above first and second recess, an advantageous guide described above for connecting and / or disconnecting the first and second connector. These measures also contribute to a touch protection and / or to an improved reliable operating safety. A protruding a contact protection and / or a reliable operating safety exhibiting connector can be designed according to its intended use. Thus, a corresponding connector with a plurality of parallel arranged side by side in a row contact elements a corresponding plurality of first and / or second

Have contact protection bodies.

A connector described above, a contact protection and / or a reliable operating safety exhibiting particular for an inverter of a motor vehicle to

Power supply of an accessory of the motor vehicle suitable. In particular, the contact elements of a connector with the features described above are in a correspondingly sensitive environment that may be dusty and humid, and can occur in the vibrations before a

unintentional contact, in particular reliably protected by an operator.

As used herein above, and throughout the context of the application, to refer to a male or male side connector, it refers to a male connector. As used herein and throughout the context of the application, when referring to a receptacle-side connector, it is meant a female connector corresponding to a protruding male connector.

embodiments

Embodiments of the invention are in the drawings

and are explained in more detail below. Show it: Fig. 1 a is an exploded perspective view of a

Contact protection having connector after a

Embodiment of the invention;

Fig. 1 b the connector of Figure 1 b on a wall of a housing. Fig. 2a is a perspective view of one for connection to the

Connector of Figure 1 a and b suitable connector. FIG. 2b shows a contact element of the connector of FIG. 2a; FIG.

Fig. 3a shows a further illustration of the housing of the connector of

Fig. 1 b;

3b is an enlarged view of a contact element of

Connector of Figure 1 a and b.

Fig. 3c is an enlarged view of the section A of Fig. 3b of

Contact element without its plastic tip;

Fig. 4a is a perspective view of the connector of

Fig. 1 a and b on a wall of a housing together with a test finger; and

Fig. 4b is a longitudinal section through the connector and the test finger of Fig. 4a.

The figures contain partially simplified, schematic representations. In part, for the same, but possibly not identical

Elements identical reference numerals used. Different views of the same elements could be scaled differently.

Fig. 1 a shows an exploded perspective view of a

1 b shows the connector 1 of Fig. 1 b mounted for its intended use on a wall 3 of a housing of a device, in particular a

Inverters of a vehicle electrical system of a motor vehicle can be. The connector 1 comprises a housing 10 for accommodating here, by way of example, four contact elements 13 arranged parallel to one another. The contact elements 13, which are of substantially L-shaped design, each have a contact region 130 which is in contact with the contact region 230 of them

Contact elements 23 of a female connector 2

is provided, which will be described below with reference to Fig. 2a and 2b. The contact elements 13 extend with their contact areas 130 in the interior of the housing 10, and are accessible for their contacting via an opening of the housing 10. In this case, the contacts 13 by means of a potting compound 14 in the interior of the housing 10 of the

Connector 1 fixed in place, with her on the other side of the potting compound 14 and the housing 10 outstanding area also intentionally contacted electrically and, for example, with

Contacts may be connected to a circuit board.

By means of the potting compound 14, the contact elements 13 are held stationary in the housing 10, and the housing 10 of the connector 1 is advantageously longitudinally watertight in the unplugged state. It is clear that the contact elements 13 in other suitable manner in the

Housing 10 can be positioned. For example, a suitable watertight seat of the contact elements 13 may also be injected into the housing 10.

For mounting on a wall 3 of a corresponding device, a wall bushing 1 1 is provided for the housing 10, by means of which the housing 10 is fixed to the wall 3. To protect the interior of the device, a seal 12 is provided for the housing 10 and its wall bushing 1 1. In the housing 10, adjacent to the contact elements 13, first contact protection bodies 101 are provided which, in this embodiment of the invention, advantageously project beyond the contact region 130 of the contact elements 13 by a predetermined amount in the plug-in direction. The

Contact elements 13 are alternately with the

Shock protection bodies 101 successively arranged in parallel in a row in the interior of the housing 10 and each spaced at a predetermined distance from the contact elements 13.

At the end of the contact region 130 of the contact elements 13, a plastic tip 131 is provided. The plastic tip 131 of a

Contact element 13 interacts with its adjacent

Contact protection bodies 101 together and protects the contact areas 130 of the contact elements 13 from contact, in particular in

Plug-in direction of the connector 1.

In this context, reference is made here to the following description with reference to FIGS. 4a and 4b. With the thus formed and arranged protruding contact elements 13 and the above contact protection bodies 101, a connector 1 is provided according to an embodiment of the invention.

In addition, the housing 10 includes more with the

Contact elements 13 adjacent Berührschutzkörper 102, which are also adjacent to an inner wall of the housing 10 are arranged. The contact protection body 102 protrude in this embodiment of the invention as the contact protection body 101 in the insertion direction by a predetermined amount beyond the contact region 130 of the contact elements 13 and are spaced from the contact elements 13 at a predetermined distance. With the contact protection bodies 101 and the others

Contact protection bodies 102 is together with those with a

Plastic tip 131 provided contact elements 13, a modification of the embodiment described above. The

Shock protection body 102 are exemplary only adjacent to the upper inner wall in the drawing and to them

adjoining opposite side walls are arranged, while adjacent to the lower inner wall also example no Berührschutzkörper 102 are provided.

On the wall bushing 1 1, a pivotable protective flap 15 is provided, by means of which a pivotable cover for the opening of the housing 10 is also provided for a contact protection of the contact elements 13. On the protective flap 15 are two

Locking hook 151 is provided for releasably fixing the protective flap 15 in its covering the opening of the housing 10 position. For this purpose, at the wall bushing 1 1 with the

Locking hook 151 corresponding locking lugs 115 provided. The housing 10 is like the Berührschutzkörper 101 and 102 made of a suitable insulating plastic, the Berührschutzkörper 101 and 102 may be formed integrally with the housing 10. In this case, furthermore, the contact protection bodies 102 can be spaced from their adjacent wall of the housing 10 or can be formed as gradations of the wall. Particularly advantageous are the Berührschutzkörper 101 and 102 corresponding to recesses 201 and 202 in a cooperating with the connector 1 socket-side

Connector 2 is formed so that a guide for the

Connector 2 is provided at the connection / disconnection with the stationary with its wall bushing 1 1 mounted on the wall 3 connector 1. A further illustration of only the equipped with contact elements 13 housing 10 of the connector 1 of Fig. 1 a and b with the

Embodiment in which the Berührschutzkörper 102 are formed spaced from its adjacent inner wall of the housing 10, Fig. 3a.

Fig. 2a shows a perspective view of a connector suitable for connection to the connector 1 of Fig. 1 a and b connector 2, and Fig. 2b shows a contact element 23 of the connector of Fig. 2a in a comparatively enlarged view.

The housing 20 of the connector 20 is also formed of a suitable plastic and corresponding to the housing 10 of the connector 1 of Fig. 1 a and b. In each case a slot formed in the housing 20 of the cross-shaped slots 203 of the housing 20 flat, provided with a crimp connection for a cable, formed as spring contacts contact elements 23 are housed. The contact elements 23 have a contact region 230 for their intended contact with the contact region 130 of the flat stamped contact elements 13 of the connector 1.

In the housing 20 are parallel to the slots 203 in the interior of the housing 20 extending recesses 201 formed with those described above with reference to FIG. 1 b

Berührschutzkörpern 101 of the connector 1 correspond. When connecting / disconnecting the connector 2 to / from the

Connector 1 are the contact protection body 101 of the

Recesses 101 added / taken out, wherein in each case an advantageous guidance of the connector 2 is provided.

At the edge of the housing 2 further recesses 202 are formed, which described with the above with reference to FIG. 1 b Contact protection bodies 102 of the connector 1 correspond. The recesses 202 interact with the contact protection bodies 102 in the same way as the recesses 201 described above with the contact protection bodies 101. The recesses 102 are formed as gradations of the outer wall of the housing 20.

The Berührschutzkörper 101 and 102 may be suitably formed each form-fitting manner with the recesses 201 and 202, wherein by means of the Berührschutzkörpern 101 and 102 and the

Recesses 201 and 202 also a stop for the

socket-side connector 2 may be provided on the plug-in connector 1.

The other recognizable in the drawing not provided with reference numerals recesses can be used to receive and guide other suitable in the housing 10 of the connector 1 trained Berührschutzkörper and / or for the accomodation of signal lines, which are not shown in the drawings.

The housing 20 has in this case with its recesses 201 and 202 and its further recesses and with its cross-shaped

Slits 203 an advantageous cross-section honeycomb structure with a correspondingly advantageous low weight and yet

desirable stability.

On the housing 20 are also locking hooks 251 for releasably locking the housing 20 to the housing 10 of the

Connector 1 is provided which cooperate with the locking lugs 115 described above. The locking hooks 251 may moreover be designed in a manner corresponding to the locking hooks 151 of the cover 15, as described at the outset, such that the locking hooks 151 are provided in the case of interconnected connectors 1 and 2 engage with the locking hooks 251. In this way, an advantageous releasable secondary lock for the connected

Connector 1 and 2 provided.

As also mentioned at the outset, the locking hooks 151 can also be formed corresponding to the housing 20 in such a way that by means of their latching with the housing 20 an advantageous releasable secondary locking for the connected plug connectors 1 and 2 is provided. In this way, in particular a desirable reliable operating safety of the connectors 1 and 2 for a

Operator also given in advance of avoidable contact of the contact elements 13.

As already mentioned above with reference to FIG. 1 b, FIG. 3 a shows a slightly enlarged representation of the housing 10 of FIG

Connector 1 of Fig. 1 b with the contact elements 13 and the Berührschutzkörpern 101 and 102 in an embodiment in which the

Shock protection body 102 are spaced from its adjacent inner wall of the housing 10. Incidentally, it is clear that a suitable circumferential seal may be provided on the housing 20.

Fig. 3b shows an enlarged view of the flat, punched L-shaped contact element 13 of the connector 1 of Fig. 1 a and b with his for contact with the contact portion 230 of the formed as a spring contact contact element 23 of the

Connector 2 provided contact area 130th Die

Plastic tip 131 at the end of the contact region 130 is formed tapered for a simple connection of the contact element 13 with the contact element 23 suitably. It should be mentioned here that the above-described contact protection bodies 101 and 102 may also be suitably tapered at their end for easy insertion into the recesses 201 and 202. Fig. 3c shows an enlarged view of the section A of Fig. 3b of the contact element 13 without the plastic tip 131, which is indicated by dashed lines in the drawing, wherein at the end of

Contact area 130 of the contact element 13 is a suitable for injection molding or locking of the plastic tip 131 Flaltegeometrie 132 is formed so that the plastic tip is held stationary and stable on the contact element 13.

Fig. 4a shows the connector 1 of Fig. 1 b mounted on a wall 3 of a housing of a device for its intended use together with a test finger 4, and Fig. 4b shows a

Longitudinal section through the connector 1 and the test finger 4 of Fig. 4a.

The held in the potting compound 14 in the housing 10

Contact elements 13 extend through one of the opening of the

Housing 10 opposite wall of the housing 10 in the interior of the housing 10, which is freely accessible through the opening. In this way, the contact regions 130 of the contact elements 13 are likewise for connection to corresponding contact elements 23

accessible.

At the opening of the housing facing the end of the

Contact area 130 of the contact elements 13 is the respective

Plastic tip 131 is provided. Adjacent to the arranged in a row parallel contact elements 13 are the

Shock protection body 101 is arranged, which are formed integrally with the housing 10 in this embodiment.

The contact protection body 101 protrude in this embodiment of the

Invention the contact area 130 and the plastic tip 131 of the contact elements 13 in the insertion direction advantageously by a predetermined Amount, according to which the tip of a normalized test finger 4 in

Insertion direction and / or at an angle to the insertion direction single plastic tip 131 of the contact elements 13 can be touched. Contact with the contact region 130 of the contact elements 13 is not possible with the test finger, according to which a plug-in connector 1 having a contact protection is provided according to an embodiment of the invention which has a desirable, reliable operating safety.

Accordingly, after a protruding test finger is capable of simulating a touch with a human finger, there is one

Shock protection having plug-in connector 1 is provided according to an embodiment of the invention, which has a desirable, reliable operating safety.

As above with reference to the drawings

described plug-in connector 1 is in particular together with a corresponding, also described socket-side connector 2 as mentioned above, in particular for a

Inverter of a motor vehicle for power supply of an auxiliary unit of the motor vehicle suitable.

Although various aspects or features of the invention are shown in combination in the figures, it will be apparent to those skilled in the art, unless stated otherwise, that the combinations illustrated and discussed are not the only ones possible. In particular, corresponding units or feature complexes from different embodiments can be exchanged with one another. Connectors

LIST OF REFERENCE NUMBERS

Plug connector, plug-in housing

, 102 shock protection body

Wall bushing

locking lug

poetry

contact element

contact area

Plastic tip

holding geometry

sealing compound

Cover, protective flap

locking hook

Connector, female side

casing

, 202 recess

slot

Locking hook Contact element, spring contact Contact area Housing wall

test finger

Claims

Connector claims

1. Connector (1) with at least two flat, parallel

juxtaposed electrical contact elements (13) in a housing (10) of the connector (1) in

Plug-in direction of the connector (1) in the direction of an opening of the housing (10), wherein the connector (1) has a plug-side first connector (1) for connection to a corresponding with it on the socket side second

Connector (2) is,

characterized in that

at one end of a contact region (130) of the contact elements (13) a plastic tip (131) is formed, and in the

Housing (10) also at least one domartiger

Shock protection body (101, 102) is provided which extends adjacent to the contact elements (13) in the insertion direction, wherein the height of the Berührschutzkörpers (101, 102) at least approximately the height of the contact region (130) of the contact elements (13).

2. Connector (1) according to claim 1,

characterized in that

the contact protection body (101, 102) projects beyond the contact region (130) of the contact elements (13) by a predetermined amount.

3. Connector (1) according to claim 2

characterized in that

in the housing (10) at least one further contact protection body (101, 102) is provided, so that at least a first

Shock protection body (101) is provided, at least the Contact area (130) surmounted by a first predetermined amount, and also at least a second

Shock protection body (102) is provided, wherein the height of the further contact protection body (101, 102) at least approximately corresponds to the height of the contact region (130) of the contact elements (13).

4. Connector (1) according to claim 3

characterized in that

the further contact protection body (101, 102) at least the

Contact region (130) of the contact elements (13) surmounted by a second predetermined amount.

5. Connector (1) according to any one of the preceding claims

characterized in that

the Berührschutzkörper (101, 102) is formed in such a manner corresponding to a recess (201, 202) of a housing (20) of the second connector (2) that by means of

Shock protection body (101, 102) in cooperation with the recess (201, 202) a guide for connection and / or separation of the first (1) and second (2) connector is provided.

6. Connector (1) according to claim 3 or 4

characterized in that

the first contact protection body (101) is provided between two adjacent contact elements (13), wherein the first

Berührschutzkörper (101) with a first recess (201) of the housing (20) of the second connector (2) corresponds, and / or

the second shock protection body (102) is provided adjacent to an inner wall of the housing (10), wherein the second contact protection body (102) with a second

Recess (202) of the housing (20) of the second

Connector (2) corresponds, so that by means of the first (101) and / or second (102) Berührschutzkörpers each in cooperation with the first (201) and / or second (202) recess a guide for connection and / or separation of the first 1) and second (2) connector is provided.

7. Connector (1) according to any one of the preceding claims

characterized in that

on the housing (10) a pivotable protective flap (15) for the opening of the housing (10) is provided, wherein the

Protective flap (15) has at least one locking hook (151) which corresponds with at least one latching lug (1 15) provided on the housing (10) or on a wall duct (11) for the housing (10) in such a way that when the opening of the Housing (10) releasably locking the

Protective flap (15) with the housing (10) is provided.

8. Connector (1) according to any one of the preceding claims 1 to 6

characterized in that

at least one at the second connector (2)

Locking hook (251) is provided, which is provided with at least one of the housing (10) or on a wall bushing (1 1) for the housing (10) locking lug (1 15)

Corresponds that a releasable locking of the second connector (2) connected to the first connector (1) is provided.

9. Connector (1) according to claim 7 and 8

characterized in that

the locking hook (151) of the protective flap (15) corresponds to the locking hook (215) of the housing (20) and / or the housing (20) of the second connector (2) such that the locking hook (151) is connected to the first (1) and the second (2) plug connector with the locking hook (215) latched to the detent nose (105) and / or the housing (20) in a predetermined position of the protective flap (15) in such a way that a releasable secondary locking of the

connected first (1) and second (2) connector

is provided.

10. Connector (1) according to any one of the preceding claims with a plurality of parallel juxtaposed successively arranged in a row contact elements (13) and with a plurality of Berührschutzkörpern (101, 102).

1 1. Connector (1) according to any one of the preceding claims

characterized in that

the plastic tip (131) on one at the end of the

Contact area (130) formed dull

Holding geometry (132) of the contact elements (13) is provided, wherein the plastic tip (131) may be molded onto the holding geometry (132).

12. Connector (1) according to any one of the preceding claims

characterized in that

the first (101) and / or second (102) contact protection body is formed integrally with the housing (10).

13. Connector (1) according to one of the preceding claims, characterized in that

the first connector (1) on a wall (3) of a

Inverter of a motor vehicle for supplying power to an accessory of the motor vehicle is provided, and the first connector (1) is designed such that a protection of its contact elements (3) is provided from contact with a human finger.