Holding device for a rogowski coil

• US 10,276,297 B2
• Filed: 09/17/2014
• Issued: 04/30/2019
• Est. Priority Date: 08/25/2014
• Status: Active Grant

• Current Assignee: Phoenix Contact GmbH & Company KG
• Original Assignee: Phoenix Contact GmbH & Company KG
• Inventors: Lockstedt, Kay, Gockel, Rainer, Becker, Markus, Senger, Andreas
• Primary Examiner(s): McAndrew, Christopher P
• Application Number:
  US14/488,394
• Publication Number:
  US 20160055963A1
• Time in Patent Office: 1,686 Days
• Field of Search: 324127
• CPC Class Codes: G01R 1/04 Housings; Supporting members; Arrangements of terminals
• CPC Class Codes: G01R 15/181 using coils without a magnetic core, e.g. Rogowski coils
• CPC Class Codes: H01F 27/30 Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support

Abstract

A holding device includes a Rogowski coil, where the Rogowski coil includes a line portion wound into a coil. The holding device further includes a housing part into which the Rogowski coil is connected. A fastening part is configured to be releasebly connected to the housing part and is further configured to be attached to a current-conducting means formed for conducting a current.

Claims

1. A holding device comprising:

a Rogowski coil, the Rogowski coil including a line portion wound into a coil, and

a housing part into which the Rogowski coil is connected,

wherein a fastening part is configured to be releasably connected to the housing part,

wherein the fastening part is configured to be attached to a current-conducting device configured to conduct a current, and

wherein the Rogowski coil lays around the current-conducting device so as to surround the current-conducting device.

2. The holding device recited in claim 1, wherein the housing part is configured to be attached to the fastening part in an attachment direction for connection to the fastening part.

3. The holding device recited in claim 1, wherein when the fastening part is connected the housing part, the housing part is positively connected to the fastening part.

4. The holding device recited in claim 1, wherein when the fastening part is connected the housing part, the housing part can be twisted in a rotational direction with respect to the fastening part.

5. The holding device recited in claim 1, wherein the fastening part includes at least one latch element and the housing part includes at least one positive fit element, the latch element being configured to form a latching engagement with the positive fit element by attaching the housing part to the fastening part, the latch element, when connected, being in positive engagement with the positive fit element.

6. The holding device recited in claim 1, wherein the housing part includes an attachment element by which the housing part can be attached to the fastening part.

7. The holding device recited in claim 6, wherein the attachment element includes an opening configured to receive at least one latch element of the fastening part and in which a positive fit element is arranged for engagement with the at least one latch element of the fastening part.

8. The holding device recited in claim 6, wherein the attachment element is formed with a concave shape on an edge portion of the attachment element, such that the edge portion is configured to be attached to the current-conducting device, the current-conducting device having a round conducting cross section.

9. The holding device recited in claim 8, wherein the attachment element includes at least one fastening opening as a feedthrough for a fastening device for fastening the housing part to the current-conducting device.

10. The holding device recited in claim 1, wherein the fastening part comprises a ratchet toothing and the housing part comprises a ratchet element, the ratchet toothing, when connected, being engaged with the associated ratchet element such that the housing part and the fastening part, when connected, are configured to be adjusted with respect to one another in a ratcheted manner, in that the ratchet element can be moved by way of the ratchet toothing.

11. The holding device recited in claim 1, wherein the fastening part includes a holding element, by which the fastening part is configured to be attached to the current-conducting device, and a connection element, which is configured to be adjusted with respect to the holding element and is further configured to be connected to the housing part.

12. The holding device recited in claim 1, wherein the connection element includes a gripping element for fastening the current-conducting device to the holding element, the gripping element being adjustable by adjusting the connection element relative to the holding element.

13. The holding device recited in claim 11, wherein the holding element includes a receiving opening for receiving the current-conducting device.

14. The holding device recited in claim 13, wherein the holding element comprises a body, a base arranged on the body, and a leg adjacent to the base, the body, the base and the leg forming the receiving opening between them, the receiving opening being U-shaped.

15. The holding device recited in claim 14, wherein the holding element comprises a bracket element made of metal and arranged in the receiving opening for contact with the current-conducting device.

16. The holding device recited in claim 1, wherein a first end of the Rogowski coil is rigidly connected to the housing part and a second end of the Rogowski coil can be releasably connected to the housing part.

17. The holding device recited in claim 1, wherein the housing part comprises evaluation electronics for evaluating signals obtained using the Rogowski coil.

19. The holding device recited in claim 1, wherein the fastening part comprises a ratchet element and the housing part comprises ratchet toothing, the ratchet toothing, when connected, being engaged with the associated ratchet element in such that the housing part and the fastening part, when connected, are configured to be adjusted with respect to one another in a ratcheted manner, in that the ratchet element can be moved by way of the ratchet toothing.

20. The holding device recited in claim 1, wherein the fastening element includes at least one positive fit element and the housing part includes at least one latch element, the latch element being configured to form a latching engagement with the positive fit element by attaching the housing part to the fastening part, the latch element, when connected, being in positive engagement with the positive fit element.

18. A holding device comprising:

a Rogowski coil, the Rogowski coil including a line portion wound into a coil; and

a housing part to which the Rogowski coil is connected,

wherein the housing part includes an attachment element, the attachment element being concavely formed at an edge portion thereof such that the edge portion is configured to be attached to a current-conducting device having a round conducting cross section, the housing part further including at least one opening as a feedthrough for a fastening device for fastening the housing part to a current-conducting device, and

wherein the Rogowski coil lays around the current-conducting device so as to surround the current-conducting device.