EP4097798A1 - Schutzerdungskontakt und leiteranschlussklemme - Google Patents
Schutzerdungskontakt und leiteranschlussklemmeInfo
- Publication number
- EP4097798A1 EP4097798A1 EP20812277.0A EP20812277A EP4097798A1 EP 4097798 A1 EP4097798 A1 EP 4097798A1 EP 20812277 A EP20812277 A EP 20812277A EP 4097798 A1 EP4097798 A1 EP 4097798A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- protective earth
- contact
- earth contact
- protective
- area
- 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
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
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- 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
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/489—Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
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- 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
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
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- 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
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
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- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
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- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade spring
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- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/483—Pivoting arrangements, e.g. lever pushing on the spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/484—Spring housing details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4846—Busbar details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4846—Busbar details
- H01R4/4848—Busbar integrally formed with the spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4846—Busbar details
- H01R4/485—Single busbar common to multiple springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/2483—Terminal blocks specially adapted for ground connection
Definitions
- the invention relates to a protective earth contact for the electrically conductive connection of a protective earth line to an electrically conductive support element, the protective earth contact having a base section, two side elements protruding from the base section and each side element having an upper area, the upper areas having a latching area for clamping the protective earth contact to the Form carrier element and wherein at least one side element has a protective earth contact element for electrically conductive contacting of the carrier element.
- the invention relates to a conductor connection terminal with a housing with a busbar, with a spring-loaded terminal connection, wherein the busbar and the spring-loaded terminal connection form a terminal point for an electrical conductor to be clamped, and with a protective earth contact mentioned above for the electrically conductive connection of a protective earth line to the busbar,
- the Protective earth contact has a base section, with two side elements protruding from the base section and each side element has an upper area, the upper areas forming a latching area for clamping the protective earth contact to the busbar and wherein at least one side element has a protective earth contact element for electrically conductive contacting of the carrier element.
- a protective earthing contact is a mandatory requirement for mains connection terminals. Such protective earth contacts must be securely mounted and functional.
- a disadvantage that arises as a result is the greater overall height of the mains connection terminal, which, particularly in the lighting industry, is limited by further built-in parts of a lamp.
- Another disadvantage can arise if the same protective earthing contact is installed repeatedly, which causes the given case to be tinned Contacting surfaces can be damaged, so that a reliable function of the protective earth contact cannot be guaranteed with repeated installation.
- the object of the present invention is to create an improved protective ground contact.
- a further object of the present invention is to create an improved conductor connection terminal.
- one of the upper regions has a contacting region, the latching region and the protective earth contact element being arranged essentially at the same height with respect to the base section.
- the separation of the latching area and the protective earth contact element reduces the risk of damage to the protective earth contact element.
- the upper areas in the latching area widen so that the carrier element can get between the contacting areas.
- the protective earth contact element also expands by the same amount as the upper areas, so that the protective earth contact element can be guided past a contact area of the carrier element without contact . If the carrier element is completely guided between the contacting areas, the upper areas jump back into the starting position and clamp the protective earth contact to the carrier element. At the same time, the protective earth contact element also jumps back into its starting position and makes contact with the contact area of the carrier element.
- the latching area is the area in which the carrier element is guided between the contacting areas of the protective earthing contact.
- the carrier element is guided into the position between the Contacting areas kept.
- the contacting areas thus directly adjoin the latching area.
- the term widening is understood to mean, in particular, an elastic deformation of the side elements, in particular the upper regions of the side elements.
- An elastic deformation occurs under the action of a force on the side elements, with the side elements returning to their original shape without any deformation remaining when the acting force ceases.
- the upper area is the area of a side element which is arranged at the end of the side element facing away from the base section.
- the upper area and the base section are therefore arranged at the opposite ends of the respective side element.
- Essentially at the same height means in particular that the protective earth contact element and the latching area do not have to have exactly the same height in relation to the base section.
- a use according to the invention is also given in the event of a deviation of + -15% in relation to the height of the protective earth contact element and the height of the latching area.
- the height is the length that is present in the longitudinal direction of extension of the side elements both between the base section and the latching area and between the base section and the protective earth contact element.
- At least one of the upper areas can have a bevel in the area of the latching area, the end of the bevel facing the contacting areas and the protective earth contact element being arranged essentially at the same height with respect to the base section.
- the bevel allows the carrier element to be guided more easily between the contacting areas.
- the side elements expand continuously in the area of the upper areas without having to apply a great deal of force in order to guide the carrier element between the contacting areas.
- the protective earth contact element can be designed for a non-positive connection with the carrier element.
- the non-positive connection makes secure contact with the protective earth contact element on the carrier element and thus on a corresponding protective earth line.
- a non-positive connection can be achieved, for example, in that the protective earth contact element first has to be guided past the contact area of the carrier element during assembly. Contacting the protective earth contact without widening the protective earth contact element by guiding the carrier element between the contacting areas is not possible in this way. The protective earth contact element thus no longer returns to its original starting position, but makes non-positive contact with the contact area of the carrier element.
- the protective earth contact can have a holding element for the positive connection of the protective earth contact in the assembled state with the carrier element. It is also advantageous if the holding element is arranged on the upper region of the side element.
- the overall height between the latching area and the holding element can be smaller than the height between the latching area and the base section.
- the overall height between the latching area and the holding element is a maximum of 90%, but at least a maximum of 50% less than the height between the latching area and the base section.
- the retaining element secures the protective earth contact against tilting in the assembled state.
- the holding element can, for example, engage in a recess on the carrier element in order to connect the protective earth contact to the carrier element in a form-fitting manner.
- the protective earthing contact is secured against tilting after installation.
- the holding element can, however, also engage, for example, in a fork of the carrier element in order to additionally place the carrier element in the area to contact the holding element.
- the holding element interacts with other components apart from the carrier element in order to secure the protective earth contact against tilting.
- the holding elements have additional protective earth contact elements in order to improve an electrically conductive connection between the protective earth line and the electrically conductive carrier element.
- the holding element can represent an independent subject matter of the invention, the holding element engaging in a recess of the carrier element for the form-fitting connection, so that a protective earth contact can also be provided which has such a holding element, but not the latching area and the protective earth contact element are arranged substantially at the same level with respect to the base portion. This would result in a protective earth contact with the following characteristics:
- the invention relates to a protective earth contact for the electrically conductive connection of a protective earth line to an electrically conductive support element, the protective earth contact having a base section, two side elements protruding from the base section and each side element having an upper area, the upper areas having a latching area for clamping the protective earth contact to the Form carrier element and wherein at least one side element has a protective earth contact element for electrically conductive contacting of the carrier element, wherein the protective earth contact has a holding element for positive connection of the protective earth contact in the assembled state with the carrier element.
- At least one of the side elements can have a guide contour for guiding an electrical conductor. It is also advantageous if the upper area is designed as a guide contour or the guide contour is arranged at least on the upper area.
- the installed protective earth contact for example in a conductor connection terminal, can simultaneously fulfill the additional function of a conductor guide.
- This can be implemented, for example, by means of arched upper areas, an electrical conductor coming into contact with an arched upper area and thereby being able to be guided into the correct position in the conductor connection terminal.
- a contact stop for stabilizing the protective earth contact in the assembled state can be arranged on each of the upper areas. It is also advantageous if the contact stops protrude obliquely from the upper areas. Inclined means in particular that the locking elements do not protrude from the upper areas at an angle of 0 ° or 180 °, but protrude at an angle between -90 ° and 90 °, in particular at an angle of -45 ° / 45 ° (in the case of a 360 ° system). It is possible that the contact stops also protrude in opposite angular orientations, ie -45 ° and 45 °, from the respective upper area.
- the protective earthing contact is stabilized in the assembled state by the contact stops. Stabilized means that movement of the protective earth contact in the installed state is limited and / or reduced in certain spatial directions. The protective earth contact is thus held in its intended position on the carrier element.
- the contact stops can protrude from the respective upper area in such a way that the contact stops are aligned essentially parallel to one another. In particular, parallel also means that the Contact stops can be arranged in alignment on a common imaginary line.
- a conductor connection terminal of the type mentioned at the outset can be equipped with a protective earthing contact as described above.
- the latching area and the protective earth contact element are arranged essentially at the same height with respect to the base section.
- At least one of the upper areas can have a bevel in the area of the latching area, the end of the bevel facing the contacting areas and the protective earth contact element being arranged at the same height with respect to the base section.
- At least one of the side elements can have a guide contour for guiding the electrical conductor into the housing.
- the guide contour can be arranged on the upper region of the side element. It is also advantageous if the guide contour interacts with the housing and / or with a conductor stop for the electrical conductor in such a way that the protective earth contact is stabilized.
- the guide contours rest on the housing or on the conductor stops in such a way that the protective earth contact is stabilized as a result.
- the protective grounding contact can therefore not slip in the direction of the contact surface between the guide contours and the housing and / or between the guide contours and the conductor stops, since these limit the freedom of movement of the protective grounding contact.
- the protective earth contact can have a holding element, wherein the holding element can be arranged in the interior of the conductor connection terminal in the area of the electrical conductors to be clamped.
- the busbar can have a recess, the holding element engaging in the recess for the form-fitting connection of the protective earth contact with the busbar.
- the existing installation space of the conductor connection terminal can be used to arrange the protective grounding contact in the conductor connection terminal without the conductor connection terminal having to be designed higher.
- the holding element is thus arranged in the area of the clamping point for the electrical conductor.
- the holding element can be arranged at the end of the side element facing away from the base section, namely on the upper area of the side element, the structural height between the latching area and the holding element being smaller than the height between the latching area and the base section.
- the overall height between the latching area and the holding element is at most 90%, but at least 50% smaller than the height between the latching area and the base section. This has the advantage that the protective earthing contact can be installed in the conductor connection terminal without the conductor connection terminal having to be designed larger.
- a conductor connection terminal can represent an independent subject matter of the invention, the conductor connection terminal engaging in a recess in the busbar for the form-fitting connection, so that a conductor connection terminal can also be provided which has such a retaining element, but not the latching area and the protective earth. Contact element are arranged substantially at the same height with respect to the base portion. This would result in a conductor terminal with the following characteristics:
- the protective earth contact has a base section, two side elements protruding from the base section and each side element has an upper area, the upper areas forming a latching area for clamping the protective earth contact to the busbar and wherein at least one side element has a protective earth contact element for electrically conductive contacting of the carrier element , wherein the protective earth contact has a holding element, wherein the holding element is arranged in the interior of the conductor connection terminal in the area of the electrical conductor to be clamped.
- the conductor connection terminal can, for example, be designed to accommodate three or four electrical conductors. It has been shown that especially in the lighting industry, three or four conductor connections are required for mains connection terminals. In the case of such conductor connection terminals, the space available can be used to mount the protective earth contact in the interior of the housing.
- the protective earth contact according to the invention has a multiplicity of protective earth contact elements.
- a protective earth contact element and a holding element are arranged on each side element in an upper area.
- Figure 1 a first embodiment of a protective earth contact
- Figure 2 a conductor terminal with a protective ground contact according to Figure
- FIG. 3 a conductor connection terminal according to FIG. 2 in a sectional view
- FIG. 4 a second embodiment of a protective earth contact
- FIG. 5 a protective earth contact according to FIG. 4 in a rotated view
- FIG. 6 a conductor connection terminal with a protective earth contact according to FIGS. 5 and 6;
- FIG. 7 - a conductor connection terminal according to FIG. 6 in a rotated view
- FIG. 8 - a detail of a conductor connection terminal according to FIGS. 6 and 7 in a plan view.
- FIG. 1 shows a first embodiment of a protective earthing contact 1 with a base section 2, two side elements 3a, 3b protruding from the base section in the same direction, essentially orthogonally from the base section 2, the side elements 3a, 3b being connected to one another via the base section 2 are.
- the side elements 3a, 3b are aligned essentially parallel to one another.
- the side elements 3a, 3b each have an upper region 4a, 4b, the upper regions 4a, 4b being aligned in such a way that the upper regions 4a, 4b point towards one another. It can be seen that the upper areas 4a, 4b together form a latching area 5, it being possible for an electrically conductive carrier element to be guided into the latching area 5.
- the electrically conductive carrier element can be designed, for example, as a busbar of a conductor connection terminal.
- a protective earth contact element 6 for electrically conductive contacting of the protective earth line with the carrier element is arranged on the upper region 4a of the side element 3a.
- the carrier element can be held in position in the latching area 5 between contacting areas 5a, 5b.
- a contact stop 5c, 5d protrudes from the upper areas 4a, 4b of the side elements 3a, 3b immediately adjacent to the contacting areas 5a, 5b.
- the latching area 5 and the protective earth contact element 6 are arranged essentially at the same height H with respect to the base section 2 and are also arranged spatially separated from one another. If the carrier element is guided into the latching area 5, the side elements 3a, 3b widen in the area of the upper areas 4a, 4b so that the carrier element can be held between the contacting areas 5a, 5b.
- the protective earth contact element 6 By arranging the latching area 5 at the same height as the protective earth contact element 6, the protective earth contact element 6 also expands by the same amount. An expansion can take place, for example, in that the side elements 3a, 3b are designed to be resilient. If the carrier element reaches its end position between the contacting areas 5a, 5b, the side elements 3a, 3b in the area of the upper areas 4a, 4b and thus also the protective earth contact element 6 jump back into the starting position, whereby the carrier element is held between the contacting areas 5a, 5b . It is thus possible for a tinned protective earth contact element 6, for example, to be guided past the contact surface on the carrier element without contact, so that wear of the tinned protective earth contact element 6 is reduced.
- the contact surface of the carrier element is the surface with which the protective earth contact element 6 is to come into contact.
- a bevel 7a, 7b is arranged in the area of the latching area 5 on each of the upper areas 4a, 4b.
- the end of the bevels 7a, 7b facing 5b is arranged at the same height as the protective earth contact element 6 in relation to the base section 2.
- the carrier element can be guided more easily to the latching area 5 through the chamfers 7a, 7b.
- the side elements 3a, 3b area of the upper areas 4a, 4b expand continuously without a correspondingly large force having to be applied in order to guide the carrier element between the contacting areas 5a, 5b.
- the protective earth contact element 6 should lie exactly at the same height as the latching area 5 and the ends of the chamfers 7a, 7b. However, a deviation from this is possible without restricting the function of the protective grounding contact according to the invention. Deviations of 15% in Conceivable with respect to the height H of the latching area 5 and the height H of the protective earth contact element 6 to the base section 2.
- a holding element 8a is arranged on the upper region 4a, the holding element 8a being set up in the assembled state for the positive connection of the protective earth contact 1 to the carrier element.
- the form fit can be achieved, for example, by means of corresponding recesses on the carrier element. However, recesses on a housing are also conceivable.
- the protective grounding contact 1 is secured against tilting in the assembled state by the form fit.
- the holding element 8a can be designed as a protective earth contact element 6.
- the overall height BH between the latching area 5 and the holding element 8a is smaller than the height H between the latching area and the base section. This has the advantage that the protective earthing contact can be built into conductor connection terminals without these having to be designed larger.
- the protective earth contact 1 has a contact tongue 16, the contact tongue 16 being designed to connect the protective earth contact 1 directly or indirectly to a protective earth line in an electrically conductive manner.
- FIG. 2 shows a conductor connection terminal 9, in particular a mains connection terminal for the lighting industry.
- the conductor connection terminal 9 has a busbar 11 and three spring-loaded terminal connections 12 for connecting three electrical conductors.
- the protective earth contact 1 according to FIG. 1 is mounted in the conductor connection terminal 9. It becomes clear that the contact area of the protective earth contact element 6 on the busbar 11 is arranged separately from the latching area 5 so that the protective earth contact element 6 can be guided through a recess in the busbar 11 without contact. In the assembled state, a non-positive connection between the protective earth contact element 6 and the busbar 11 is provided. This can be achieved, for example, in that the dimensions of the recess in the busbar 11 are designed so that the protective earth contact element 6 can be guided past the busbar 11 without contact when the side elements 3a, 3b are in the expanded state.
- the holding element 8a is arranged in the interior of the conductor connection terminal 9 in the area of the electrical conductors to be clamped, the busbar 11 not being arranged between the spring-loaded terminal connection 12 and the holding element 8a.
- the electrical conductors can consequently be plugged into the same space of the conductor connection terminal 9 in that the holding element 8a is arranged in the assembled state. In this way, the available space of the conductor connection terminal 1 is used without having to dimension it larger.
- the holding element 8a engages in a recess in the busbar 11 and stabilizes the protective earthing contact 1 against tilting by means of a positive connection with the busbar 11 in the assembled state. Safe operation can thus be guaranteed.
- FIG. 2 also shows an actuation arrangement 17 with which, on the one hand, the upper spring-force terminal connection 12 of the arrangement consisting of the two spring-force terminal connections 12 (left area) and, on the other hand, the individual spring-force terminal connection 12 (right area) can each be manually operated independently of one another in order to move the associated clamping leg deflect and thereby open the terminal point.
- the actuation arrangement 6 has an actuation section 18a for the one spring-force terminal connection 12 and an actuation section 18b for the other, opposite spring-force terminal connection 12.
- the actuating sections 18a, 18b are connected to one another via a connecting section 19 arranged approximately centrally between the actuating sections 18a, 18b.
- a T-shaped protruding material section 20 is present between the actuating sections 18a, 18b, for example in the middle or somewhat eccentrically between the actuating sections 18a, 18b.
- the T-shaped protruding material section 20 is displaceably mounted on the busbar 11.
- the geometric configuration of the actuation arrangement 6 makes it possible to actuate the spring-force terminal connections 12 independently of one another.
- FIG. 3 shows the conductor connection terminal 9 according to FIG. 2 in a different sectional view.
- the busbar 11 has recesses 13 through which the protective earth contact element 6 can be passed for assembly, the protective earth contact element 6 being positively connected to the busbar 11 and the holding element 8a being positively connected.
- the holding element 8a can be connected to the busbar 11 in a non-positive manner and the protective earth contact element 6 can be positively connected.
- FIGS. 4 and 5 show a second embodiment of a protective earth contact 1, the protective earth contact being shown in FIG. 4 in a front view and in FIG. 5 in a rotated view.
- the protective earthing contact 1 has a base section 2, two side elements 3a, 3b protruding from the base section in the same direction.
- the side elements 3a, 3b each have an upper area 4a, 4b.
- the protective earth contact has two protective earth contact elements 6, which are arranged at the same height H in relation to the base section 2 with the latching area 5, so that the protective earth contact elements 6 are widened when the protective earth contact 1 is installed and are thus introduced contactlessly into a corresponding conductor connection terminal be able.
- the ends of the side elements 3a, 3b are designed as guide contours 14a, 14b.
- Such guide contours 14a, 14b have the advantage that, when installed, they form an electrical conductor to the corresponding Can lead to the terminal point without the electrical conductor touching the protective earthing contact elements 6.
- the protective earth contact 1 has a contact tongue 16, the contact tongue 16 being designed to connect the protective earth contact 1 directly or indirectly to a protective earth line in an electrically conductive manner.
- FIG. 6 shows a conductor connection terminal 9, in particular a mains connection terminal for the lighting industry, in a sectional view.
- the conductor connection terminal 9 has a busbar 11 and four spring-loaded terminal connections 12 for connecting four electrical conductors.
- the protective earth contact 1 according to FIGS. 4 and 5 is mounted in the conductor connection terminal 9.
- FIG. 7 shows the conductor connection terminal 9 according to FIG. 6 in a rotated view. It becomes clear that the conductor connection terminal 9 has conductor stops 15 for electrical conductors to be clamped. It is also clear that the protective earth contact 1 uses the existing contours and the available space of the busbar 11 of the conductor connection terminal 9, so that the conductor connection terminal does not have to be made larger in the interior in order to accommodate the protective earth contact 1.
- the guide contours 14a, 14b rest against the conductor stops 15 in such a way that the entire protective earth contact 1 is stabilized so that it is protected against tilting. The possibility of movement of the protective earthing contact 1 is thus limited in the direction of the conductor stops 15.
- FIG. 8 shows a detail of the conductor connection terminal 9 according to FIGS. 6 and 7 in a top view.
- the protective earth contact 1 can consequently be designed in such a way that the electrical conductors do not hit the protective earth contact elements 6 when connected.
- Such a design is also conceivable without guide contours 14a, 14b in that, for example, one or more protective earth contact elements 6 protrude at right angles from the side element 3a and / or from the side element 3b. There does not have to be an exact right angle of 90 °. A deviation of 25 ° in the positive or negative direction is conceivable.
Landscapes
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020101986.6A DE102020101986A1 (de) | 2020-01-28 | 2020-01-28 | Schutzerdungskontakt und Leiteranschlussklemme |
| PCT/EP2020/083193 WO2021151541A1 (de) | 2020-01-28 | 2020-11-24 | Schutzerdungskontakt und leiteranschlussklemme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4097798A1 true EP4097798A1 (de) | 2022-12-07 |
| EP4097798B1 EP4097798B1 (de) | 2025-04-16 |
Family
ID=73598091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20812277.0A Active EP4097798B1 (de) | 2020-01-28 | 2020-11-24 | Schutzerdungskontakt und leiteranschlussklemme |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12381359B2 (de) |
| EP (1) | EP4097798B1 (de) |
| JP (1) | JP7682189B2 (de) |
| CN (1) | CN115039287B (de) |
| DE (1) | DE102020101986A1 (de) |
| WO (1) | WO2021151541A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021110425A1 (de) * | 2021-04-23 | 2022-10-27 | WAGO Verwaltungsgesellschaft mit beschränkter Haftung | Leiteranschlussklemme und Steckdoseneinsatz |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1308850A (en) * | 1971-10-13 | 1973-03-07 | Hego Electric Gmbh | Rail-mounted earthing or neutral conductor terminal |
| DE8801623U1 (de) | 1988-02-09 | 1988-04-07 | Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg | Anschluß- bzw. Verbindungsklemme für elektrische Geräte |
| JP3391867B2 (ja) * | 1993-11-22 | 2003-03-31 | 松下電工株式会社 | 器具用アース端子装置 |
| DE4413643C2 (de) * | 1994-04-20 | 1996-03-28 | Vossloh Schwabe Gmbh | Elektrische Anschluß- und Verbindungsklemme |
| FR2756423B1 (fr) * | 1996-11-22 | 1999-02-12 | Applic Electro Mecaniques | Element de connexion d'un conducteur electrique avec une tole de chassis, et dispositif de connexion comportant un tel element |
| TWM335848U (en) * | 2008-01-04 | 2008-07-01 | Switchlab Inc | Improved structure of tracked ground terminal |
| CN201185245Y (zh) * | 2008-03-14 | 2009-01-21 | 吴智远 | 轨道型接地端子改良结构 |
| DE202008010347U1 (de) | 2008-08-04 | 2008-10-02 | Wago Verwaltungsgesellschaft Mbh | Steckbarer PE-Schutzkontakt |
| CN207517993U (zh) * | 2017-10-18 | 2018-06-19 | 昆山宏致电子有限公司 | 具独立接地片跨接于接地端子的连接器结构 |
| EP3477792A1 (de) * | 2017-10-27 | 2019-05-01 | Wago Verwaltungsgesellschaft mbH | Abgriffsteckverbinder und schutzerdungskontakt hierzu |
| DE202018101445U1 (de) * | 2018-03-15 | 2018-05-03 | Bjb Gmbh & Co. Kg | Anschlussklemme |
| FR3079358B1 (fr) | 2018-03-23 | 2020-12-25 | Schneider Electric Ind Sas | Equipement electrique et procede de mise a la terre pour un tel equipement |
-
2020
- 2020-01-28 DE DE102020101986.6A patent/DE102020101986A1/de active Pending
- 2020-11-24 EP EP20812277.0A patent/EP4097798B1/de active Active
- 2020-11-24 CN CN202080094888.3A patent/CN115039287B/zh active Active
- 2020-11-24 JP JP2022545333A patent/JP7682189B2/ja active Active
- 2020-11-24 WO PCT/EP2020/083193 patent/WO2021151541A1/de not_active Ceased
-
2022
- 2022-07-26 US US17/873,965 patent/US12381359B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP4097798B1 (de) | 2025-04-16 |
| CN115039287A (zh) | 2022-09-09 |
| JP7682189B2 (ja) | 2025-05-23 |
| US12381359B2 (en) | 2025-08-05 |
| CN115039287B (zh) | 2025-08-19 |
| US20220360021A1 (en) | 2022-11-10 |
| JP2023511690A (ja) | 2023-03-22 |
| WO2021151541A1 (de) | 2021-08-05 |
| DE102020101986A1 (de) | 2021-07-29 |
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