Shaft antenna system for mobile communication
A shaft antenna system for mobile communication comprises an antenna housing into which at least one antenna is introduced or can be introduced. A support frame has an insertion opening and a circumferential wall by which a receptacle space is bounded. The receptacle space is accessible from the insertion opening, and the antenna housing is arranged in the receptacle space. A termination cover assembly closes off the insertion opening. The termination cover assembly is supported at its edge region at least indirectly on the support frame. An underside of the termination cover assembly covers an upper side of the antenna housing. The antenna housing is supported at least indirectly on the support frame via at least one force storage device. The force storage device comprises at least one foam module which has elastic, resilient and damping properties, to hold the upper side of the antenna housing is pressed against the underside of the termination cover assembly.
1. Shaft antenna system for mobile communication, comprising:
an antenna housing, into which at least one antenna is or can be introduced;
a support frame comprising an insertion opening and a circumferential wall, which defines a receiving space which is accessible from the insertion opening and in which the antenna housing is arranged;
a cover plate assembly, which closes the insertion opening, the cover plate assembly being supported at least indirectly on the support frame in an edge region thereof, such that a lower face of the cover plate assembly covers an upper face of the antenna housing;
the antenna housing being supported at least indirectly on the support frame by at least one force storing device;
the at least one force storing device comprising at least one foam module, which has elastic, resilient and damping properties that keep the upper face of the antenna housing pressed against the lower face of the cover plate assembly;
the at least one force storing device pressing the upper face of the antenna housing against the lower face of the cover plate assembly with a pressing force that is (a) greater than a threshold value, and/or (b) in the order of magnitude of at least 1 N and/or in an order of magnitude of less than 80 N.
2. Shaft antenna system according to claim 1 , wherein:
the foam module is an elastomer foam; and/or
the foam module comprises or consists of microcellular rubber and/or polyurethane.
3. Shaft antenna system according to claim 1 , wherein:
when installed, the antenna housing is arranged so as to be rotation-proof but axially movable relative to the support frame; and/or
the cover plate assembly is arranged so as to be rotation-proof relative to the support frame and/or is screwed thereto.
4. Shaft antenna system for mobile communication, comprising:
an antenna housing, into which at least one antenna is or can be introduced;
a support frame comprising an insertion opening and a circumferential wall, which defines a receiving space which is accessible from the insertion opening and in which the antenna housing is arranged;
a cover plate assembly, which closes the insertion opening, the cover plate assembly being supported at least indirectly on the support frame in an edge region thereof, such that a lower face of the cover plate assembly covers an upper face of the antenna housing;
the antenna housing being supported at least indirectly on the support frame by at least one force storing device;
the at least one force storing device comprising at least one foam module, which has elastic, resilient and damping properties that keep the upper face of the antenna housing pressed against the lower face of the cover plate assembly, wherein:
a region of the upper face of the antenna housing comprises a plurality of raised portions projecting towards the cover plate assembly, the raised portions coming into contact with the lower face of the cover plate assembly; and
the remaining region of the upper face of the antenna housing, which is spaced apart from the lower face of the cover plate assembly, is inclined in one or more directions, so as to slope towards the circumferential edge thereof.
5. Shaft antenna system according to claim 4 , wherein:
when installed, the antenna housing is arranged so as to be rotation-proof but axially movable relative to the support frame; and/or
the cover plate assembly is arranged so as to be rotation-proof relative to the support frame and/or is screwed thereto.
6. Shaft antenna system according to claim 4 , wherein:
the antenna housing is positioned in a preselectable angular position relative to the support frame.
7. Shaft antenna system according to claim 4 , wherein:
the foam module is an elastomer foam; and/or
the foam module comprises or consists of microcellular rubber and/or polyurethane.
8. Shaft antenna system, for mobile communication, comprising:
an antenna housing into which at least one antenna is or can be introduced;
a support frame comprising an insertion opening and a circumferential wall, which defines a receiving space which is accessible from the insertion opening and in which the antenna housing is arranged, the antenna housing positioned in a preselectable angular position relative to the support frame, wherein the preselectable angular position can be set at specific intervals or continuously; and the preselectable angular position specific intervals are in the range of at least 3°, and/or less than 24°; and
a cover plate assembly, which closes the insertion opening, the cover plate assembly being supported at least indirectly on the support frame in an edge region thereof, such that a lower face of the cover plate assembly covers an upper face of the antenna housing;
the antenna housing being supported at least indirectly on the support frame by at least one force storing device.
9. Shaft antenna system according to claim 8 , wherein:
a) the antenna housing comprises latching projections on a its circumferential surface thereof which are offset from one another in the circumferential direction;
the circumferential wall of the support frame comprises a plurality of latching recesses on its inner face which are offset from one another in the circumferential direction, at least one latching projection or each latching projection engaging in a latching recess;
or
b) the circumferential wall of the support frame comprises a plurality of latching recesses that are offset from one another in the circumferential direction; and
the antenna housing comprises a plurality of latching recesses on a circumferential surface thereof which are offset from one another in the circumferential direction, at least one latching projection or each latching projection engaging in a latching recess.
10. Shaft antenna system according to claim 8 , wherein:
a) at least two force storing devices are provided, one of the at least two force storing devices being arranged in a latching recess and the at least one other force storing device being arranged in the at least one other latching recess, in each of which one latching projection engages, which means that the antenna housing is supported on the support frame and is pressed towards the cover plate assembly; and/or
b) the support frame comprises a base, the at least one force storing device being arranged between the base of the support frame and a lower face of the antenna housing, which means that the antenna housing is supported on the support frame and is pressed towards the cover plate assembly.
11. Shaft antenna system according to claim 8 , wherein:
the circumferential wall of the support frame comprises, on an inner face thereof,
radially inwardly projecting support portions, at least in regions;
a suspension frame is provided which comprises a circumferential material portion and a plurality of hook-shaped suspension elements attached thereto;
the hook-shaped suspension elements each comprise an elongate first portion and a second portion extending transversely thereto;
the second portion of each hook-shaped suspension element rests on the support portions of the support frame, such that the circumferential material portion of the suspension frame is arranged in the receiving space so as to be predominantly below the support portions; and
the antenna housing is arranged in the suspension frame.
12. Shaft antenna system according to claim 11 , wherein:
in the position in which the second portion of each hook-shaped suspension element of the suspension frame rests on the relevant support portion of the support frame, the support portions comprise a recess which prevents the suspension frame from rotating relative to the support frame; and/or
the second portion of each hook-shaped suspension element of the suspension frame is rigidly connected to the respective support portions of the support frame by means of a screw connection, which prevents the suspension frame from rotating relative to the support frame.
13. Shaft antenna system according to claim 12 , wherein:
the hook-shaped suspension element is arranged at any recess, which means that the antenna housing is positioned in a preselectable angular position relative to the support frame.
14. Shaft antenna system according to claim 11 , wherein:
a) the antenna housing comprises latching projections on a circumferential surface thereof which are offset from one another in the circumferential direction;
at least the elongate first portion of each hook-shaped suspension element of the suspension frame comprises a receiving slot extending at least over part of the length of the first portion;
a latching projection of the antenna housing engages in said receiving slot and is axially guided thereby, which prevents the antenna housing from rotating relative to the suspension frame;
or
b) the antenna housing comprises latching recesses on a circumferential surface
thereof which are offset from one another in the circumferential direction;
at least one hook-shaped suspension element of the suspension frame comprises at least one latching projection, which engages in a latching recess and is axially guided thereby, which prevents the antenna housing from rotating relative to the suspension frame.
15. Shaft antenna system according to claim 11 , wherein:
at least one force storing device is arranged between the circumferential material portion of the suspension frame and the antenna housing, which means that the antenna housing is supported indirectly on the support frame by the suspension frame and is pressed towards the cover plate assembly.
16. Shaft antenna system according to claim 8 , wherein:
the foam module is an elastomer foam; and/or
the foam module comprises or consists of microcellular rubber and/or polyurethane.
17. Shaft antenna system according to claim 8 wherein the at least one force storing device comprises at least one foam module, which has elastic, resilient and damping properties that keep the upper face of the antenna housing pressed against the lower face of the cover plate assembly.