JP5699281B2 - A member wrapped with a metal plate - Google Patents

Description

  The present invention relates to a member wound with a metal plate.

  Patent Document 1 discloses an eaves with an antenna in which a metal thin film having an antenna pattern is attached to the outer surface of a synthetic resin eaves.

  The antenna pattern is formed by providing an opening in a metal thin film.

JP-A-3-84156

  The conventional example shown in Patent Document 1 has the following problems.

When a thin metal film having an aperture that paste bent along the eaves gutters outer surface, the edge portion of the opening occurs a force warped in a direction away from the eaves gutters outer surface, even if an attempt is glued, bonded sufficiently performed However, there is a problem that it is easily peeled off or deformed.

  Further, the metal thin film is exposed to the outside, and rust may be generated.

  An object of the present invention is to protect a metal plate material, and even when it is wound along the outer surface of the base material, it is difficult to generate a force that warps the edge portion of the opening in a direction away from the outer surface of the base material. It is in providing the member which wound the metal plate material which can be.

Member wound metal sheet of the present invention, the antenna plate is formed by coating the outer surface of the metal plate having an open port with a protective sheet, including the opening, the antenna plate, along the outer surface of the base material It is characterized by being wound.

Moreover, it is preferable that the opening of the said metal plate material is an opening for antenna patterns .
Moreover, it is preferable that the said base material is a housing for flowing rain water.

  Moreover, it is preferable to adhere | attach the said protection sheet covering metal plate in the state wound around the outer surface of the said base material.

  Moreover, it is preferable to attach with the attachment member in the state which wound the said protective sheet covering metal plate around the outer surface of the said base material.

  In the present invention, since the outer surface of the metal plate material is covered with the protective sheet including the opening, even when the metal plate is wound along the outer surface of the base material, the edge portion of the opening is hardly warped in the direction away from the outer surface of the base material. Is possible. This makes it possible to accurately wind the metal plate having an opening around the outer surface of the substrate. Moreover, it can protect so that the metal plate material which has an opening with a protection sheet may not rust.

It is sectional drawing of one Embodiment of this invention. It is a partially omitted whole perspective view same as the above. It is a partially broken perspective view same as the above. (A) is sectional drawing before bending of the antenna board used for the same as above, (b) is the perspective view seen from the surface side which shows the bent state, (c) is the perspective view seen from the back side. . It is a perspective view of the attachment member used for the same as the above. It is a perspective view of the coaxial cable used for the same as the above. It is a side view which shows the construction state same as the above.

  One embodiment is described based on an accompanying drawing.

  The protective sheet-covered metal plate 5 is formed by covering the outer surface (both outer surfaces or one outer surface) of the metal plate 3 having the opening 6 with the protective sheet 4 including the opening 6.

  The metal plate 3 is a thin metal plate (including a metal foil), and an opening is formed by forming a notch, a hole, or the like in the metal plate 3.

  To cover the metal plate 3 with the protective sheet 4 including the opening, the synthetic resin sheet is bonded to the metal plate 3 by an adhesive, welding, or the protective sheet 4 is configured on the metal plate 3 having the opening 6. The synthetic resin layer to be coated is formed by being integrally laminated.

  The protective sheet-covered metal plate 5 is wound along the outer surface of the base material 1 and is fixed to the base material 1 with an adhesive or mounting member 8 in the wound state.

  In the following embodiments, an antenna plate 7 that is formed by winding and fixing an antenna plate 7, which is a protective sheet-coated metal plate 5, around the outer surface of a housing 10 constituting the substrate 1 will be described. .

  In this embodiment, the antenna pattern 2 is formed by forming the opening 6 in the conductive thin metal plate 3. FIG. 4 shows an example of a slot antenna pattern as the antenna pattern 2. The slot antenna pattern is formed by providing an elongated slot 28 serving as an opening 6 in a thin metal plate 3 (including a metal foil) having a vertically long rectangular shape.

  In the embodiment of FIG. 4, a plurality of slots 28 serving as openings 6 are provided in the metal plate 3 in the vertical direction, and the adjacent slots 28 are connected by a narrow groove 25. Each slot 28 is formed in a bow tie shape in which the vertices of a triangle are abutted with each other.

  The antenna pattern 2 includes a first receiving unit 29 that receives radio waves in a first frequency band (for example, 473 to 600 MHz) and a second receiving unit that receives radio waves in a second frequency band (for example, 600 to 720 MHz). 30.

  The first receiving unit 29 includes a slot 28 and a peripheral portion of the slot 28. The second receiving unit 30 is configured by the metal plate member 3 adjacent to the slot 28 in the vertical direction.

  The length of the slot 28 constituting the first receiving unit 29 in the vertical direction is the same as the length of the electrical half wavelength of the radio wave in the first frequency band. The circumferential length of the second receiving unit 30 is the same as the electrical half-wavelength of the radio wave in the second frequency band.

  That is, the center frequency in the first frequency band is 536.5 MHz, and the electrical half wavelength λ / 2 of the radio wave in the first frequency band is about 28 cm. The length is about 28cm. Further, since the center frequency of the second frequency band is 660 MHz and the electric half wavelength λ / 2 of the radio wave in the second frequency band is about 23 cm, the circumferential direction of the second receiving unit 30 is The length is about 23 cm.

  The apex portions of the triangles on both sides of the slot 28 of the metal plate 3 are the power feeding portions 9.

The protective sheet 4 is a synthetic resin film having electrical insulation, such as PET, and the synthetic resin film is adhered to the front and back surfaces or the surface of the metal plate 3 so that the metal plate 3 is externally attached (at least It is covered with a protective sheet 4 so as not to be exposed to the surface side). In this case, the slot 28 is also covered with the protective sheet 4. In addition, although the thickness of the protection sheet 4 is 0.1-0.3 mm, for example, it is not limited to this.
Thus, the protective sheet 4 is to protect the metal plate 3 having an antenna pattern 2, rust is prevented from occurrence.

  A power supply cable 11 is connected to the power supply unit 9.

  The power supply cable 11 connected to the power supply unit 9 is a coaxial cable. In this coaxial cable, the outside of the inner core wire 32 is covered with a core wire skin portion 33, the outer periphery of the core wire skin portion 33 is covered with a knitting wire 34, and the knitting wire 34 is further covered with an outer skin portion 35.

As shown in FIG. 6, the end portion of the feeding cable 11 is formed with a portion where the outer skin portion 35 is removed and the end portion of the knitting wire 34 is exposed, and the core wire skin portion 33 protrudes from the end portion of the knitting wire 34. exposed portion is formed, further, parts component that core wire 32 from the end portion of the core wire sheath portion 33 protrudes are formed.

  The end of the core wire 32 in the power supply cable 11 is connected to one power supply unit 9, and the end of the braided wire 34 is connected to the other power supply unit 9.

  For connection, for example, a portion corresponding to the power feeding portion 9 of the protective sheet 4 on the surface side of the protective sheet-covered metal plate 5 is peeled to expose the metal plate 3 in the power feeding portion 9 and soldered to the exposed surface. It is conceivable to connect the core wire 32 and the braided wire 34 by any connecting means such as.

  Of course, you may connect using a screw and a nut, or you may connect using a connection metal fitting.

  As described above, the antenna plate 7 in a state where the power feeding cable 11 is connected is a cylindrical or rectangular tube-shaped casing 10 that is uniformly curved in the vertical direction so as to have a horizontal cross-section C shape or a polygonal shape. The outer peripheral surface is wound and overlapped, and is fixed using an adhesive or the attachment member 8.

  When the antenna plate 7 is wound around and fixed to the outer peripheral surface of the housing 10, the outer surface of the metal plate 3 is covered with the protective sheet 4 including the slot 28 that is the opening 6. 10 It becomes possible to make it difficult to warp in the direction away from the outer surface.

  As a result, the antenna plate 7 is easily and accurately wound around the outer surface of the housing 10 and is accurately fixed by the adhesive or the attachment member 8, and the antenna pattern 2 is not deformed. It is possible to suppress a decrease in reception performance.

  Further, since the metal plate 3 including the opening 6 is covered with the protective sheet 4, the metal plate 3 having the opening 6 is protected, and in particular, the cut end surface of the metal plate 3 located at the edge portion of the slot 28 that is the opening 6. Is protected and the occurrence of rust is suppressed.

  Here, when the metal sheet 3 is covered with the protective sheet 4 beyond the outer peripheral edge as shown in FIG. 4, the cut end surface of the outer peripheral edge of the metal sheet 3 is protected, and the occurrence of rust is suppressed.

  In addition, the cutting end surface of the edge portion of the opening 6 of the metal plate 3 and the cutting end surface of the outer peripheral end are covered with the protective sheet 4 and the opening 6 is also covered, so that fingers can be placed on the cutting end surface during the winding operation. Scratching is suppressed.

  The embodiment shown in the accompanying drawings shows an example in which the attachment member 8 as shown in FIG. 5 is used for attachment as shown in FIGS.

  As described above, the power supply cable 11 mechanically and electrically connected to the power supply unit 9 is disposed along the axial direction of the housing 10 on the outer surface of the antenna plate 7 wound around the outer surface of the housing 10.

  In arranging along the axial direction, the slots 28 are avoided.

  The attachment member 8 for attaching the antenna plate 7 to the outer peripheral surface of the housing 10 is made of a nonconductive material such as a nonconductive synthetic resin. Further, as shown in FIG. 5, the attachment member 8 is configured by rotatably connecting one end portions of a pair of half bodies 38 with a bearing portion 39, and a locking portion at the other end portion of the pair of half bodies 38. 40 and the locked portion 41 are freely lockable.

  The attachment member 8 includes a cable holding portion 42 that holds the position of the power feeding cable 11 with respect to the antenna plate 7, and the power feeding cable 11 is held by the cable holding portion 42.

  Each attachment member 8 has a plurality of protrusions protruding in the radially outward direction. The mounting member 8 of the present embodiment has a total of four protruding portions including a bearing portion 39, a locking portion 40 and a locked portion 41, and a cable holding portion 42. The protruding portions are arranged at equal intervals in the circumferential direction, that is, protrude in the radially outward direction every 90 °.

  A casing 22 with an antenna having a double cylinder structure is formed by covering the casing 10 having the antenna plate 7 wound around the outer periphery with the outer cylinder portion 23.

  When the outer cylinder portion 23 is put on the casing 10 with the antenna plate 7 wound around the outer periphery, the mounting member 8 is provided with a protruding portion, so that the casing 10 and the casing 10 are provided at substantially the center of the outer cylinder portion 23. The center of the antenna plate 7 is disposed, and comes into contact with or in close proximity to the inner peripheral surface of the outer cylinder portion 23.

  Thus, by covering the antenna plate 7 with the outer cylinder part 23, the antenna plate 7 is not exposed to rainwater, outside air, and sunlight, and deterioration is suppressed.

  The double rod structure antenna-equipped cage 22 is provided with a connecting body 24 at the end in the longitudinal direction, and the vertical connecting body 24 and the vertical end of the outer cylinder 23 are connected to the upper and lower connecting bodies 24. The upper and lower connecting bodies 24 communicate with the housing 10.

  The power feeding cable 11 along the axial direction of the housing 10 reaches the lead-out portion 43 provided in the connection body 24, and the connection tool 44 provided at the end of the power-feeding cable 11 is fitted in the hole constituting the lead-out portion 43. Mounted.

  A connection tool provided at an end of the television cable 45 is electrically connected to the connection tool 44. The television cable 45 is introduced into the building from the outer wall 47 and the eaves ceiling 48 of the building 46 and connected to the television side in the existing building 46.

  FIG. 7 shows an example in which the antenna-equipped cage 22 is used as a part of the cage. In FIG. 7, reference numeral 49 is an eaves bowl, 50 is a water collector, 51 is an elbow, 52 is a call bowl, and 53 is a general bowl.

  When the antenna-equipped cage 22 is used as a part of the cage, the connection body 24 of the antenna-attached cage 22 is connected to a general cage 53 or an elbow 51, and rainwater is allowed to flow through the cylindrical enclosure 10.

  At the time of connection, the antenna-equipped cage 22 is rotated around the axis to direct the antenna pattern 2 in the strongest receiving direction.

  In the above-described embodiment, the example in which the outer cylinder portion 23 is provided has been described. However, the outer cylinder portion 23 may not be provided. When the outer cylinder part 23 is not provided, the metal plate 3 is covered with the protective sheet 4, so that the metal plate 3 is not exposed to rainwater, outside air, or sunlight, and the deterioration of the antenna pattern 2 can be suppressed.

  In the above-described embodiment, an example of a cylindrical or rectangular tube-shaped rod is shown as the casing 10 around which the antenna plate 7 is wound. However, the present invention is not necessarily limited thereto.

  For example, the housing 10 around which the antenna plate 7 is wound may be a call or eaves.

  In each of the above-described embodiments, the protective sheet-covered metal plate 5 is the antenna plate 7 and the base member 1 is the casing 10, but it is needless to say that the embodiment is not limited thereto.

DESCRIPTION OF SYMBOLS 1 Base material 2 Antenna pattern 3 Metal plate material 4 Protection sheet 5 Protection sheet covering metal plate 6 Opening 7 Antenna plate 8 Mounting member

Claims (5)

Antenna plate is formed with an outer surface of a metal plate having apertures by coating with a protective sheet, including the opening,
A member wound with a metal plate, wherein the antenna plate is wound along the outer surface of the base material. The member wound with a metal plate material according to claim 1 , wherein the opening of the metal plate material is an opening for an antenna pattern . The member wound with the metal plate material according to claim 1 or 2 , wherein the base material is a casing for flowing rainwater .   Bonding with the antenna plate wound around the outer surface of the substrate
The member which wound the metal plate material as described in any one of Claims 1-3 characterized by the above-mentioned.   The antenna plate is attached with an attachment member in a state where the antenna plate is wound around the outer surface of the substrate.
The member which wound the metal plate material as described in any one of Claims 1-3 characterized by the above-mentioned.

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