JP2012195859A - Gutter with antenna - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect an antenna part, allows a power supply cable to be easily connected with a power supply part, and shorten the protruding length ranging from an outer surface of a gutter to a connection part of the power supply cable.SOLUTION: A gutter with an antenna includes: a gutter body 1 for flowing rainwater; and an antenna plate 5 formed by coating a metal plate 3 having antenna parts 2 overlapped on an outer surface of the gutter body 1 with a coating material 4. Cut-and-raised parts 6, each of which is formed by cutting and raising a part of the antenna plate 5 so as to protrude in a direction of separating from the outer surface of the gutter 1, are formed. A power supply part 9, which has a through hole 7 and faces the outer surface of the gutter body 1 through a clearance 8, is provided at each cut-and-raised part 6. A nut 10 is disposed in the clearance 8 so as to communicate with the through hole 7. A machine screw 14 inserted into a hole 13 of a terminal 12 provided at an end part of the power supply cable 11 is inserted into the through hole 7 to be threadedly engaged with the nut 10. An electric connection part 15 where the metal plate 3 contacts with the terminal 12, the machine screw 14, or the nut 10 is provided.

Description

  The present invention relates to a bag 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 feeding portion, and a hole for connecting the end of the power feeding cable to the terminal plate is formed.

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 conductor is exposed to rain, sunlight, and the outside air, and the antenna performance may be deteriorated due to deterioration.

  Also, the end of the power supply cable is connected with a screw, nut, etc. using the terminal plate hole at the protruding tip of the power supply that protrudes laterally from the outer surface of the bag, so that the nut is supported by one hand Therefore, it is necessary to operate the screw with the other hand to perform connection work. For this reason, the operation | work which connects the edge part of an electric power feeding cable to an electric power feeding part is difficult, and there exists a possibility that a nut may be dropped and lost.

  Since the power feeding part and terminal board project sideways from the outer surface of the fence, the projecting distance from the outer surface of the fence to the electrical 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.

  An object of the present invention is to provide a bag with an antenna that can protect an antenna unit, can easily connect a power feeding cable to a power feeding unit, and can shorten the protruding distance from the outer surface of the housing to the connecting portion of the power feeding cable. is there.

  The cage with an antenna of the present invention includes a housing for flowing rainwater, and an antenna plate formed by coating a metal plate having an antenna portion overlapped on the outer surface of the housing with a covering material, the antenna plate A part of the power supply is cut and raised so as to protrude in a direction away from the outer surface of the housing, and a cut-and-raised portion is formed. The power supply has a through hole in the cut-and-raised portion and faces the outer surface of the housing through a gap. A nut is disposed in the gap so as to communicate with the through hole, and a screw inserted into a terminal hole provided at an end of the power supply cable is screwed into the nut through the through hole, and the metal plate Is provided with an electrical connection portion that contacts the terminal or the screw or the nut.

  Moreover, it is preferable to contact the said screw and the said metal plate in the said through-hole.

  Further, it is preferable that a metal plate exposed portion where the covering material does not exist is formed in the power feeding portion, and the terminal is brought into contact with the metal plate exposed portion.

  Further, it is preferable that a burr portion protruding upward or downward is formed on the upper edge portion or the lower edge portion of the through hole, and the metal plate is brought into contact with the terminal or the nut in the burr portion.

  Further, a metal washer with a biting protrusion is interposed between the terminal and the power feeding portion, the biting protrusion of the metal washer is bited into the covering material to contact the metal plate, and the metal washer is It is preferable to contact the terminal.

  Also, the side openings of the pair of gaps are opposed to each other, a resin molded product in which the pair of nuts are embedded is disposed over the pair of gaps, and the pair of nuts communicates with the through holes of the pair of power feeding portions. Is preferred.

  In the present invention, the metal plate can be protected by covering the metal plate with the covering material, and the performance degradation of the antenna can be suppressed. In addition, a feed portion having a through hole in the cut and raised portion and facing the outer surface of the housing through a gap is provided, and a nut is disposed in the gap so as to communicate with the through hole. Work can be done easily. Moreover, the protrusion distance from the outer surface of the housing to the connecting portion of the power feeding cable can be shortened.

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. It shows before forming a cut-and-raised part of a metal plate provided with an antenna part used for the same as above, (a) is a perspective view seen from the front side, and (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. Other embodiment of the electrical connection part same as the above is shown, (a) is a cross-sectional view before connection, (b) is a cross-sectional view after connection. Other embodiment of the electrical connection part same as the above is shown, (a) is a cross-sectional view before connection, (b) is a cross-sectional view after connection. Other embodiment of the electrical connection part same as the above is shown, (a) is sectional drawing after a connection, (b) is a perspective view of a washer. It is a principal part expansion perspective view which shows other embodiment of this invention. It is an exploded perspective view same as the above.

  An embodiment is shown in FIGS.

  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 FIGS. 1 to 8, the antenna-equipped cage 22 has a double cylinder structure by further including an outer cylinder portion 23 that covers the cylindrical enclosure 1 and has a longitudinal end. A connection body 24 that communicates with the housing 1 is provided in the part.

  The antenna plate 5 is formed by covering a metal plate 3 having the antenna portion 2 with a covering material 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. 6, the antenna unit 2 formed on the metal plate 3 is provided with a plurality of slots 28 arranged in the vertical direction, and the adjacent slots 28 are connected to each other 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 covering material 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 a covering material 4 so as not to be exposed at least on the surface side.

  A cut-and-raised part 6 is formed by cutting a part of the antenna plate 5 into the front surface side and cutting it into a substantially trapezoidal trapezoidal shape or a substantially L-shape. A through-hole 7 penetrating the front and back is formed in a piece that becomes a protruding portion of the cut-and-raised portion 6, and a piece portion in which the through-hole 7 is formed is configured as a power feeding portion 9.

  In the embodiment of FIG. 6, an example is shown in which the cut-and-raised portions 6 are formed at portions corresponding to the apex portions of the triangular portions on both sides of the slot 28.

  An antenna plate 5 formed by coating a metal plate 3 having an antenna portion 2 with a covering material 4 is uniformly curved in the vertical direction so as to have a horizontal cross-section C shape or polygonal shape, and has a cylindrical or rectangular tube shape. It is wound around the outer peripheral surface of the casing 1 and stacked and attached by using an adhesive or an attachment member 31.

  The embodiment shown in the attached drawings shows an example in which the attachment member 31 as shown in FIG. 7 is used as shown in FIGS.

  In a state where the antenna plate 5 is mounted on the outer surface of the housing 1, the horizontal piece serving as the power feeding portion 9 is located so as to protrude away from the outer surface of the housing 1, and the outer surface of the housing 1 and the power feeding portion 9 are located. A gap 8 is formed between the two.

  A nut 10 is inserted into the gap 8, and the nut 10 and the through hole 7 are arranged to communicate with each other. The gap 8 is formed in such a size that the nut 10 does not rattle in a state where the nut 10 is arranged, and the nut is held in the cut and raised portion 6 by being arranged in the gap 8.

  Further, since the cut for forming the cut-and-raised portion 6 is cut and raised in the vertical direction, the gap 8 opens to the side, and the cut-and-raised portion with the nut 10 disposed in the gap 8 The nut 10 is prevented from dropping by the continuous portion with the lower antenna plate 5.

  The feeding cable 11 is a coaxial cable. The coaxial cable is configured by covering the outer side of the inner conducting wire 32 with an insulating layer 33, covering the outer periphery of the insulating layer 33 with a knitted wire 34, and further covering the knitted wire 34 with an outer insulating layer 35. Further, the terminal 12 having the hole 13 is connected to the end portion of the conducting wire 32 and the end portion of the braided wire 34, respectively.

  As shown in FIG. 1, the terminal 12 at the end of the inner conductor 32 in the power supply cable 11 is connected to one power supply unit 9, and the terminal 12 at the end of the outer knitted wire 34 is connected to the other power supply unit 9. Is done.

  Connection of each terminal 12 to the power feeding unit 9 is performed as follows.

  In the following, the connection of the terminal 12 at the end of the conducting wire 32 will be described as an example, but the connection of the terminal 12 at the end of the braided wire 34 is performed in the same manner as described below.

  The operator puts the terminal 12 at the end of the conducting wire 32 on the surface of the one power supply unit 9 and aligns the holes 13, the through holes 7, and the screw holes of the nut 10.

  Next, a screw 14 is inserted into the hole 13 of the terminal 12 and screwed into the nut 10 through the through hole 7.

  By screwing the screw 14 into the nut 10, the terminal 12 is mechanically connected to the power feeding unit 9 and also electrically connected.

  Here, the electrical connection is made as follows.

  That is, the inner peripheral edge of the hole of the metal plate 3 is exposed on the inner peripheral surface of the through hole 7, and the screw 14 is inserted into the through hole 7 and screwed into the nut 10. 14 are in contact and electrically connected. Therefore, the electrical connection portion 15 that comes into contact with the screw 14 is formed by the inner peripheral edge of the metal plate 3.

  Here, as shown in FIG. 9, the coating material 4 is peeled off at the surface portion of the power feeding portion 9 to form a metal plate exposed portion 16 where the surface of the metal plate 3 is exposed, and terminals are formed on the surface of the metal plate exposed portion 16. 12 may be abutted, and the screw 14 may be inserted into the hole 13 and the through hole 7 and screwed into the nut 10.

  In this case, since the terminal 12 is electrically connected to the surface of the metal plate 3 in the metal plate exposed portion 16, the electrical connection portion 15 is configured by the metal plate exposed portion 16.

  Since the terminal 12 is tightened in a state of surface contact with the metal plate 3 exposed to the outside, the electrical connection is made stably and reliably.

  FIG. 10 shows another embodiment of the electrical connection 15. The present embodiment is an example in which a burr portion 17 protruding upward or downward is formed on the upper edge portion or the lower edge portion of the through hole 7, and the electrical connection portion 15 is configured by the burr portion 17.

  When forming the through hole 7, the burr 17 is formed by rolling up the edge of the metal plate 3 facing the through hole 7 upward or downward on the upper edge or the lower edge of the through hole 7. .

  In this embodiment, the screw 14 is inserted into the hole 13 of the terminal 12 and screwed into the nut 10 through the through hole 7, so that the metal plate 3 is connected to the terminal 12 or the nut 10 in the burr portion 17 that is the electrical connection portion 15. To be electrically connected.

  Thereby, in the burr | flash part 17, the metal plate 3 adheres to the terminal 12 or the nut 10 reliably, and electrical connection is made | formed.

  FIG. 11 shows another embodiment of the electrical connection 15. In the present embodiment, a metal washer 19 with a biting protrusion 18 is interposed between the terminal 12 and the power feeding portion 9, and a screw 14 is inserted into the hole 13 of the terminal 12, and the nut is passed through the hole 36 and the through hole 7 of the metal washer 19. 10.

  In the present embodiment, the metal washer 19 with the biting protrusion 18 bites into the covering material 4 and contacts the metal plate 3 of the power feeding unit 9. Accordingly, the portion of the metal plate 3 that contacts the metal washer 19 becomes the electrical connection portion 15, and the electrical connection portion 15 is electrically connected to the screw 14 via the metal washer 19.

  As a result, the metal plate 3 reliably contacts the screw 14 through the metal washer 19 with the biting protrusion 18 to be electrically connected.

  FIG. 12 shows another embodiment of the electrical connection 15. In this embodiment, both sides of the slot 28 of the antenna plate 5 are cut and raised in a substantially L shape to form a pair of cut and raised portions 6. The ends of the pair of substantially L-shaped cut-and-raised portions 6 are formed so as to face each other, and the side openings 20 of the gap 8 of the pair of cut-and-raised portions 6 are formed to face each other.

  Further, the nut 10 used in the present embodiment is embedded in the resin molded product 21. Here, the resin molded product 21 has a rectangular parallelepiped shape, and a pair of nuts 10 are embedded on both the left and right sides.

  The resin molded product 21 in which the pair of nuts 10 are embedded is disposed over the pair of gaps 8 by fitting both sides under the pair of cut and raised portions 6. The dimensions between the pair of nuts 10 are such that they communicate with the through holes 7 formed in the power feeding section 9 of the pair of raised parts 6.

  At the time of connection, the operator puts one terminal 12 on the surface of one power feeding portion 9 and aligns the holes 13, one through hole 7, and one screw hole of the nut 10.

  Next, a screw 14 is inserted into the hole 13 of one terminal 12 and screwed into one nut 10 through one through hole 7.

  Thus, the resin molded product 21 is fixed by screwing the one terminal 12 to the one nut 10 using the screw 14 and connecting the one power supply portion 9, and the other nut 10 and the other power supply are connected. The through hole 7 of the part 9 communicates. Thereby, the screw | thread 14 is inserted in the hole 13 of the other terminal 12, and the operation | work engaged with the other nut 10 through the other through-hole 7 is performed easily.

  In the present embodiment, any of the above-described embodiments may be adopted as the configuration of the electrical connection portion 15.

  As described above, the feeding cable 11 in which the terminal 12 provided at the end is mechanically and electrically connected to the feeding portion 9 is connected to the outer surface of the antenna plate 5 wound around the outer surface of the housing 1. Arranged along the direction.

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

  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. 7, 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.

  In this case, since the projecting portion is provided on the attachment member 31, the housing 1 with the antenna plate 5 wound around the outer periphery is arranged at the substantially center of the outer tube portion 23 and the inner periphery of the outer tube portion 23. It comes into contact with or close to the surface.

  In the part where the terminal 12 is mechanically and electrically connected to the power feeding part 9, the nut 10, the power feeding part 9, the terminal 12 and the head of the screw 14 are stacked in a compact manner on the outer side in the radial direction from the outer surface of the housing 1. Thus, the protruding length from the outer surface of the housing 1 to the head of the screw 14 can be shortened.

  Therefore, the head of the screw 14 can have a projection length that is substantially the same as or a short projection length as the projection of the mounting member 31, and a portion that mechanically and electrically connects the terminal 12 to the power feeding unit 9 It becomes possible to arrange | position in the space between the housing 1 and the outer cylinder part 23. FIG.

  In this way, by covering the portion where the terminal 12 is mechanically and electrically connected to the power feeding portion 9 with the outer cylinder portion 23 so as not to be exposed to the outside, the outer cylinder portion 23 is not exposed to rainwater, outside air, sunlight, and deterioration is suppressed. Is done.

  In addition, it is possible to prevent people and objects from being caught on the part where the terminal 12 is mechanically and electrically connected to the power supply unit 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.

  As shown in FIGS. 4 and 5, 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 includes the lead-out portion. It fits in the hole which comprises 43, and is attached.

  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. 8 shows an example in which the ridge 22 with an antenna is used as a part of the ridge. In FIG. 8, 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 addition, in the above-mentioned embodiment, although the hook 22 with an antenna has shown the example which comprises some cylindrical hooks, other cylindrical hooks like the call 52 may be sufficient, Alternatively, the eaves 49 may be used.

  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.

  Also in this case, the protruding length of the portion where the terminal 12 is mechanically and electrically connected to the power supply unit 9 can be shortened, and the person or object is prevented from being caught.

DESCRIPTION OF SYMBOLS 1 Housing 2 Antenna part 3 Metal plate 4 Coating | covering material 5 Antenna board 6 Cut-and-raised part 7 Through-hole 8 Clearance 9 Feed part 10 Nut 11 Feed cable 12 Terminal 13 Hole 14 Screw 15 Electrical connection part 16 Metal plate exposure part 17 Burr Part 18 Biting protrusion 19 Metal washer 20 Side opening 21 Plastic molded product

Claims (6)

A housing for flowing rainwater, and an antenna plate formed by covering a metal plate having an antenna portion overlapped on the outer surface of the housing with a covering material,
A part of the antenna plate is cut and raised so as to protrude in a direction away from the outer surface of the housing, and a cut and raised portion is formed. The cut and raised portion has a through hole, and a gap is formed between the outer surface of the housing and the gap. An opposing power feeding part is provided,
A nut is disposed in the gap so as to communicate with the through hole, and a screw inserted into a terminal hole provided at an end of the power supply cable is screwed into the nut through the through hole, and the metal plate is connected to the terminal. Alternatively, a hook with an antenna is provided, wherein an electrical connection portion that contacts the screw or the nut is provided.   The rod with an antenna according to claim 1, wherein the screw and the metal plate are brought into contact with each other in the through hole.   3. The scissor with an antenna according to claim 1, wherein a metal plate exposed portion without the covering material is formed in the power feeding portion, and the terminal is brought into contact with the metal plate exposed portion.   The burr | flash part which protrudes upward or downward is formed in the upper edge part or lower edge part of the said through-hole, The said metal plate is made to contact the said terminal or the said nut in this burr | flash part. A bag with an antenna.   A metal washer with a biting protrusion is interposed between the terminal and the power feeding portion, the biting protrusion of the metal washer is bited into the covering material to contact the metal plate, and the metal washer contacts the terminal The scissor with an antenna according to claim 1 or 2, wherein A resin molded product in which the side openings of the pair of gaps are opposed to each other, the resin molded product in which the pair of nuts are embedded is disposed over the pair of gaps, and the pair of nuts communicates with the through holes of the pair of power feeding portions. The scissor with an antenna as described in any one of Claim 1 thru | or 5.

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