JP2012195861A - Gutter with antenna and manufacturing method of antenna plate used in the gutter with the antenna - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect a metal plate, inhibit a portion enabling a power supply cable to connect therewith from protruding outward of a gutter body, and form an exposed surface on a surface of a power supply part with a simple structure.SOLUTION: A gutter with an antenna includes: a gutter body 1 for flowing rainwater; an antenna plate 5 formed by laminating a coating film 4 on a metal plate 3 having antenna parts 2 overlapped on a surface of the gutter body 1; and a power supply part 9 provided at the antenna part 2. The coating film 4 is removed from a surface of the power supply part 9 to form an exposed surface 16. Cut marks 6, which are formed for removing the coating film 4 by cutting the coating film 4 with cutting means, remain around the exposed surface 16.

Description

  The present invention relates to a hook with an antenna and a method of manufacturing an antenna plate used for the hook with an antenna.

  Patent Document 1 discloses a technique for attaching an antenna portion to the outer surface of a fence that has already been constructed.

  This antenna portion is configured by combining two antenna element bodies made of a conductor projecting a semi-cylindrical power feeding portion on the side of a semi-cylindrical folded portion.

  The antenna part is formed by arranging two antenna element folding parts on the outer surface side of the intermediate part in the longitudinal direction of the already installed eaves and connecting the two antenna element bodies with screws. Install in the cage.

  With the antenna part attached to the outer surface side of the bag, the semi-cylindrical power feeding unit protrudes laterally from the outer surface of the bag. A terminal plate is screwed to the protruding tip of the protruding power supply portion, and the end of the power supply cable is connected to the terminal plate.

JP-A-1-168101

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

  Since the antenna element body made of a conductor is attached to the outer surface of the bag, the antenna element body is exposed, and rust and the like are liable to occur, and the antenna performance may be deteriorated.

  In addition, since the power feeding part and terminal board protrude from the outer surface of the fence to the side, the protruding distance from the outer surface of the fence to the connection part with the power supply cable becomes longer, deteriorating the appearance of the fence, and the value of the building In addition, people and objects are easily caught on the connecting portion of the power supply cable to the power supply unit.

  The object of the present invention is to protect the metal plate and to suppress the outward projection of the housing that allows the connection of the power supply cable, and to form the exposed surface of the surface of the power supply section with a simple configuration. It is in providing the manufacturing method of the antenna board used for the cage | basket with an antenna and the cage | basket with an antenna.

  The cage with an antenna of the present invention is provided with a housing for flowing rainwater, an antenna plate formed by laminating a coating film on a metal plate having an antenna portion overlapped on the surface of the housing, and the antenna portion. The surface of the power supply unit is an exposed surface from which the coating film has been removed, and a cut mark remains when the coating film is cut by a cutting means to peel the coating film around the exposed surface. It is characterized by that.

  Further, in the method of manufacturing the antenna plate used for the bag with an antenna, when the covering film is bonded to the surface of the metal plate having the antenna portion, a portion of the metal plate serving as the power feeding portion of the antenna portion is interposed via a spacer. The coating film is bonded to the surface of the metal plate in a state where the spacer and the metal plate are not bonded, and then the cutting film is cut along the outer periphery of the spacer by the cutting means. A portion of the coating film corresponding to the spacer is removed to expose the power feeding portion, and the exposed surface on which a cut mark by the cutting means remains is formed in the periphery.

  In the present invention, the metal plate is covered with the coating film, so that the metal plate is protected to prevent the generation of rust and the like, and the deterioration of the antenna performance can be suppressed. Since the surface of the power feeding part is an exposed surface, it is possible to suppress the protrusion of the part that enables the connection of the power feeding cable to the outside, and to prevent people and objects from getting caught in the connection part. Moreover, the exposed surface of the surface of the power feeding unit can be formed with a simple configuration.

(A) (b) (c) (d) is explanatory drawing which shows the manufacture order of the antenna board used for this invention. It is a principal part expansion perspective view of one Embodiment of this invention. It is an exploded perspective view same as the above. It is an expanded sectional view of the AA line of FIG. It is a partially omitted whole perspective view same as the above. It is a partially broken perspective view same as the above. The antenna board used for the above is shown, (a) is a perspective view seen from the front side, (b) is a 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 side view which shows the construction state same as the above.

  One embodiment is described based on an accompanying drawing.

  The antenna-equipped cage 22 includes, as basic components, a cabinet 1 for flowing rainwater and an antenna plate 5 that overlaps the outer surface of the cabinet 1.

  In the embodiment of the attached drawings, the antenna-equipped cage 22 has a double cylinder structure by further including an outer cylinder portion 23 that covers the tubular casing 1, and at the end in the longitudinal direction, A connecting body 24 that is connected in communication with the housing 1 is provided.

  The antenna plate 5 is formed by covering a metal plate 3 having the antenna portion 2 with a covering film 4.

  The antenna unit 2 is constituted by a slot antenna in which a slot 28 formed long in the axial direction of the housing 1 is provided on a thin metal plate 3 (including metal foil) having a vertically long rectangular shape.

  In the embodiment of FIG. 7, a plurality of slots 28 are arranged in the vertical direction in the antenna portion 2 formed on the metal plate 3, and 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 unit 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 a steel plate portion 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 respectively.

The covering film 4 is a synthetic resin film having electrical insulation, such as PET, and this synthetic resin film is adhered to the front and back surfaces or the surface side of the metal plate 3 so that the metal plate 3 is externally attached ( It is covered with the covering film 4 so as not to be exposed at least on the surface side. The slot 28 portion is also covered with the covering film 4. In addition, although the thickness of the coating film 4 is 0.1-0.3 mm, for example, it is not limited to this.
Thereby, the metal plate 3 provided with the antenna part 2 can be protected and rust etc. can be prevented from occurring.

  The covering film 4 has an exposed surface 16 from which a portion corresponding to the surface of the power supply unit 9 is removed, and the power supply unit 9 portion is exposed on the exposed surface 16. A through hole 7 is formed in the feeding portion 9 portion of the antenna plate 5.

  Here, the antenna plate 5 having the exposed surface 16 formed on the surface of the power feeding unit 9 is formed as follows.

  When the coating film 4 is bonded to the front and back surfaces or the surface of the metal plate 3 (for example, galvanized steel plate) on which the antenna unit 2 is formed with the adhesive 18, on the surface side of the metal plate 3, the portion that becomes the power feeding unit 9 is The covering film 4 is bonded to the metal plate 3 with the spacers 13 interposed as shown in FIG. In this case, the spacer 13 is not bonded to the metal plate 3.

  Thereafter, the coating film 4 is cut along the outer periphery of the spacer 13 with a cutting means 15 such as a press, punch, or cutter as shown in FIG.

  Thereafter, the portions corresponding to the spacers 13 and the spacers 13 of the covering film 4 are removed as shown in FIG. 1C to expose the power feeding portion 9, and the exposed surface 16 is formed.

  Thereafter, as shown in FIG. 1D, a through-hole 7 is formed that penetrates the feeding portion 9 whose surface is an exposed surface and the lower coating film 7.

  In the above method, the covering film 4 to be bonded to the surface of the metal plate 3 is bridged obliquely from the surface of the metal plate 3 to the outer end of the surface of the spacer 13, as shown in FIG. The inclined portion 17 of the covering film 4 is a portion that is not bonded.

  When the covering film 4 is cut by the cutting means 15 along the outer periphery of the spacer 13, it is preferable to cut an oblique portion 17 that is a portion to which the covering film 4 is not adhered.

  Thereby, when removing the part corresponding to the spacer 13 of the spacer 13 and the coating film 4, since the coating film 4 to remove is not adhere | attached on the metal plate 3, removal can be performed easily.

  By the way, in order to cut | disconnect the coating film 4 with the cutting | disconnection means 15, in order to cut | disconnect reliably, it cut | disconnects so that the surface of the metal plate 3 may be reached. Therefore, a cut mark 6 obtained by cutting the coating film 4 with the cutting means 15 remains around the exposed surface 16 of the surface of the metal plate 3. Thereby, after bonding the covering film 4, it turns out that the part corresponding to the part enclosed by the cut | notch mark 6 of the covering film 4 was removed.

  In this way, the power supply unit 9 can be easily provided by adhering the coating film 4 to the surface of the metal plate 3 with the spacer 13 interposed therebetween and then cutting the coating film 4 along the outer periphery of the spacer 13. 9 surfaces can be exposed.

  A feeding cable 11 is connected to the exposed surface 16 of the feeding unit 9.

  The power supply cable 11 connected to the power supply unit 9 is constituted by a coaxial cable, and the outside of the inner core wire 32 is covered with a core wire outer skin portion 33, the outer periphery of the core wire outer skin portion 33 is covered with a knitting wire 34, and the knitting wire 34 is further covered with an outer outer skin. It is comprised by covering with the part 35. FIG.

  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 braided wire 34 is exposed, and further, a portion which protrudes from the end portion of the braided wire 34 and the core wire skin portion 33 is exposed. Further, a portion where the core wire 32 protrudes from the end portion of the core wire skin portion 33 is formed.

  The end portion of the core wire 32 in the power supply cable 11 is connected to one power supply portion 9 via the core wire portion side terminal 8, and the end portion of the knitting wire 34 is connected to the other power supply portion 9 via the knitting wire side terminal 12. Is done.

  Connection of the core wire portion side terminal 8 and the braided wire side terminal 12 is performed as follows.

  The core wire side terminal 8 is disposed on the exposed surface 16 of one power feeding unit 9 and the nut 10 is disposed on the back surface of the power feeding unit 9, and the screw 14 is loosened from the hole of the core wire side terminal 8 to the nut 10 through the through hole 7. Temporarily attached by screwing.

  Next, an end portion of the core wire outer skin portion 33 is arranged so as to be bridged between the two power feeding portions 9, and the end of the core wire 32 is disposed between the exposed portion of the metal plate 3 of one power feeding portion 9 and the core wire portion side terminal 8. Insert the part. In this state, in a state where the core wire 32 is in electrical contact with the metal plate 3 of the power feeding unit 9 and the core wire side terminal 8, the screw 14 is tightened to be electrically and mechanically connected.

  Next, when the end portion of the core wire skin portion 33 is arranged so as to be bridged between the two power feeding portions 9, the end portion of the braided wire 34 comes into contact with the exposed portion of the metal plate 3 of the other power feeding portion 9. In this state, the braided wire side terminal 12 is covered with the exposed portion of the end of the braided wire 34, the screw 14 is screwed into the nut 10 through the through hole 7 from the hole of the braided wire side terminal 12, and the braided wire 34 is fed. Electrically and mechanically connected to the metal plate 3 and the braided wire side terminal 12 of the portion 9.

  As described above, the antenna plate 5 in a state where the feeding cable 11 is connected is a cylindrical or rectangular tube-shaped casing 1 that is uniformly curved in the vertical direction so as to have a horizontal cross-section C shape or a polygonal shape. They are wound around the outer peripheral surface, stacked, and attached using an adhesive or attachment member 31.

  The embodiment shown in the accompanying drawings shows an example in which the attachment member 31 as shown in FIG. 8 is used 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 1 on the outer surface of the antenna plate 5 wound around the outer surface of the housing 1.

  The power feeding cable 11 is disposed so as to avoid the slot 28 when disposed along the axial direction.

  The attachment member 31 for attaching the antenna plate 5 to the outer peripheral surface of the housing 1 is formed of a nonconductive material such as a nonconductive synthetic resin. Further, as shown in FIG. 8, the attachment member 31 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 31 includes a cable holding portion 42 that holds the position of the power feeding cable 11 with respect to the antenna plate 5, and the power feeding cable 11 is held by the cable holding portion 42.

  Each attachment member 31 has a plurality of protrusions protruding in the radially outward direction. The attachment member 31 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 1 with the antenna plate 5 wound around the outer periphery thereof with the outer cylinder portion 23.

  When the casing 1 having the antenna plate 5 wound around the outer periphery is covered with the outer cylinder portion 23, the mounting member 31 has a protruding portion, so that the casing 1 and the casing 1 are provided substantially at the center of the outer cylinder portion 23. In addition, the center of the antenna plate 5 is disposed, and comes into contact with or in close proximity to the inner peripheral surface of the outer cylinder portion 23.

  Here, since the surface of the power feeding unit 9 is the exposed surface 16 that is exposed to the outside, the power feeding cable 11 may be connected to the exposed surface 16 part of the surface of the power feeding unit 9, so that the power feeding cable 11 is connected to the power feeding unit 9. It is possible to shorten the protruding length of the connecting portion outward from the housing 1.

  That is, in the embodiment, the part that mechanically and electrically connects the end of the power supply cable 11 to the power supply unit 9 is formed on the outer side of the casing 1 in the radial direction from the nut 10, the power supply unit 9, and the core wire 32 ( Alternatively, the braided wire 34), the core wire side terminal 8 (knitted wire side terminal 12), and the head of the screw 14 are in a compactly stacked state, and the protruding length from the outer surface of the housing 1 to the head of the screw 14 is increased. It can be shortened.

  Therefore, the head of the screw 14 can be made to have a projection length that is substantially the same as the projection portion of the mounting member 31 or a short projection length, and the core wire portion side terminal 8 (knitting wire side terminal 12) is mechanically connected to the power feeding portion 9. Therefore, it is possible to arrange the electrically connected portion in the space between the housing 1 and the outer cylinder portion 23.

  Thus, by covering the core wire portion side terminal 8 (knitting wire side terminal 12) with the outer cylinder portion 23 so as not to be exposed to the outside mechanically and electrically, the rainwater, the outside air, Deterioration is suppressed without being exposed to sunlight.

  Further, it is possible to prevent a person or an object from being caught by a portion where the core wire portion side terminal 8 (knitting wire side terminal 12) is mechanically and electrically connected to the power feeding portion 9.

  The double cylinder-structured flange 22 with an antenna is provided with a connection body 24 at an end in the longitudinal direction, and the vertical connection body 24 and the vertical ends of the outer cylinder 23 are connected to the upper and lower connection bodies 24. The upper and lower connecting bodies 24 communicate with the housing 1.

  The power feeding cable 11 along the axial direction of the housing 1 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. 9 shows an example in which the ridge 22 with an antenna is used as a part of the ridge. In FIG. 9, 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 connecting 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 1.

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

  In the above-described embodiment, the example in which the core wire 32 and the core wire portion side terminal 8 are connected and the braided wire 34 and the braided wire side terminal 12 are connected when connecting with the screw 14 is shown. The connected core wire side terminal 8 is connected to one power feeding portion 9 with a screw 14 and a nut 10, and the braided wire side terminal 12 fixed to the braiding wire 34 in advance is connected to the other power feeding portion 9 with a screw 14 and a nut 10. Also good.

  Moreover, in the above-mentioned embodiment, although the example which provided the outer cylinder part 23 was demonstrated, you may not provide the outer cylinder part 23. FIG. When the outer cylinder portion 23 is not provided, the metal plate 3 is covered with the coating film 4, so that the metal plate 3 is not exposed to rainwater, outside air, or sunlight, and deterioration of the antenna portion 2 can be suppressed.

  Also in this case, the protruding length of the portion where the core wire side terminal 8 (braided wire side terminal 12) is mechanically and electrically connected to the power feeding portion 9 can be shortened, and it is suppressed that people and objects are caught. .

DESCRIPTION OF SYMBOLS 1 Housing 2 Antenna part 3 Metal plate 4 Covering film 5 Antenna board 6 Cut trace 9 Feed part 13 Spacer 15 Cutting means

Claims (2)

A housing for flowing rainwater, an antenna plate formed by laminating a coating film on a metal plate having an antenna portion overlapped on the surface of the housing, and a feeding portion provided in the antenna portion,
The surface of the power feeding unit is an exposed surface from which the coating film has been removed, and there remains a cut mark formed by cutting the coating film with a cutting means in order to peel the coating film around the exposed surface.ア ン テ ナ with antenna to do. In adhering the coating film to the surface of the metal plate having the antenna part,
Adhering the covering film to the surface of the metal plate in a state where the spacer and the metal plate are non-adhered via a spacer to a portion to be a feeding portion of the antenna unit of the metal plate,
Thereafter, the cutting means is cut along the outer circumference of the spacer,
A portion corresponding to the spacer of the spacer and the covering film is removed to expose the power feeding portion to form an exposed surface in which a cut mark by the cutting means remains around. Manufacturing method of antenna plate.

Images