WO2018037684A1 - 同軸コネクタ、高周波ユニット及び受信装置 - Google Patents
同軸コネクタ、高周波ユニット及び受信装置 Download PDFInfo
- Publication number
- WO2018037684A1 WO2018037684A1 PCT/JP2017/022491 JP2017022491W WO2018037684A1 WO 2018037684 A1 WO2018037684 A1 WO 2018037684A1 JP 2017022491 W JP2017022491 W JP 2017022491W WO 2018037684 A1 WO2018037684 A1 WO 2018037684A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coaxial connector
- insulating member
- center electrode
- outer conductor
- terminal portion
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/112—Resilient sockets forked sockets having two legs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/18—Connectors or connections adapted for particular applications for television
Definitions
- This technology relates to a coaxial connector, a high-frequency unit, and a receiving device that can be applied to, for example, an F-type connector.
- Coaxial cables are used for signal transmission of television broadcasting (terrestrial broadcasting, satellite broadcasting, cable television, etc.).
- an F-type connector is known as a coaxial connector used for supplying an antenna output to an internal tuner such as a television receiver or a personal computer.
- One type of F-type connector is connected to one end of a coaxial cable and is called an F-type connector plug or the like.
- Another type is an F-type connector that receives a central conductor (hereinafter referred to as a core wire) of a coaxial cable protruding from an F-type connector plug, and is called an F-type connector receptacle or the like. What will be described below is an F-type connector receptacle. However, it is simply referred to as an F-type connector.
- the F-type connector includes a center electrode into which the core wire of the coaxial cable is inserted, a cylindrical insulating resin that supports the center electrode, and a metal outer conductor provided outside the insulating resin.
- an insulator that supports the center electrode is disposed in the outer conductor, and the end of the outer conductor is crimped to fix the insulator.
- the insulator breaks, it is not possible to increase the tightening force of the caulking stopper. As a result, caulking may occur.
- caulking may occur.
- caulking may occur.
- reflow soldering is performed when a tuner unit having a coaxial connector is attached to a substrate such as a television receiver. Due to the heating during the reflow soldering, the insulator recrystallizes and slightly shrinks, for example, and a gap is generated between the caulking portion of the outer conductor and the insulator.
- the tuner unit When the tuner unit is attached to, for example, a television receiver, when a loud sound is generated from the speaker, the chassis of the set vibrates, and the vibration is further transmitted to the tuner. Due to the presence of the gaps described above, the insulator may resonate and noise may occur.
- an object of the present technology is to provide a coaxial connector, a high-frequency unit, and a receiving device that are configured to prevent the generation of abnormal noise.
- the present technology includes a cylindrical outer conductor made of a metal material, A first insulating member disposed in the outer conductor; A front plate in which insertion holes for wires are formed, a plurality of elastic pieces extending from the front plate toward the back, and overlapping the front side and the end of the first insulating member, are movable in the front and back directions A second insulating member; A center electrode having a sandwiching piece which is disposed in a hollow portion in the first and second insulating members and which is led to the outside from the back surface of the first insulating member and sandwiches a wire connected to the terminal portion.
- a coaxial connector provided.
- the present technology includes a case body in which a signal processing unit is stored, Having at least one coaxial connector that is fixed to the case body and in which the terminal portion of the center electrode is connected to the signal processing unit;
- the coaxial connector is a high-frequency unit configured as described above.
- the present technology includes a case body in which a tuner module substrate having a tuner function is stored, Having at least one coaxial connector that is fixed to the case body and in which the terminal portion of the center electrode is connected to the tuner module substrate;
- the coaxial connector is the receiving device configured as described above.
- the present technology provides a gap between the outer conductor and the insulating member even when the resin constituting the insulating member contracts or there is a variation in caulking after assembly by caulking. Occurrence can be prevented, and generation of abnormal noise can be prevented. Note that the effects described here are not necessarily limited, and may be any of the effects described in the present technology.
- FIG. 1A is a cross-sectional view when the F-type connector 21 is cut in the vertical direction
- FIG. 1B is a cross-sectional view when the F-type connector 21 is cut in the horizontal direction.
- the F-type connector 21 includes a cylindrical outer conductor 22, a cylindrical insulator 23 accommodated in the outer conductor 22, and a center electrode 26 supported in a hollow portion of the insulator 23.
- the outer conductor 22 is made of a metal such as iron, brass, or zinc, and has a thread groove formed on the peripheral surface.
- a flange portion 22a is formed at the base portion of the outer conductor 22, and crimping portions 22b and 22c are provided symmetrically on the end surface on the base side.
- the crimping portions 22b and 22c are inserted into, for example, holes in the case plate of the tuner unit, and the F-type connector 21 is attached to the tuner unit by bending the crimping portions 22b and 22c.
- the insulator 23 has a two-body configuration, and has a support 24 disposed on the base side and a cylindrical body 25 disposed on the tip side.
- a rectangular support hole 24a is formed on the base side end surface of the support 24, the terminal portion 26e of the center electrode 26 penetrates the support hole 24a, and the terminal portion 26e is led out to the outside.
- the tip of the terminal portion 26e is bent and soldered to a predetermined location on a printed wiring board (not shown) in the tuner case.
- a center electrode 26 is disposed in an internal space formed by the support 24 and the cylindrical body 25.
- the center electrode 26 is made of a metal having conductivity and spring properties, and has sandwiching pieces 26a and 26b that sandwich the core wire of the inserted coaxial cable.
- the sandwiching pieces 26a and 26b are connected by a connecting piece 26c, and a contact portion 26d is formed in which the sandwiching pieces 26a and 26c come into elastic contact.
- a terminal portion 26e is connected to the connecting piece 26c.
- An inclined surface that supports the sandwiching pieces 26 a and 26 b is formed on the support 24.
- the horizontal width of the internal space formed by the cylindrical body 25 and the support body 24 is set to be slightly larger than the width of the sandwiching pieces 26a and 26b.
- the ends of the sandwiching pieces 26a and 26b are bent so as to be separated from each other, and a ⁇ -shaped tip is formed as shown in FIG. 1A when viewed from the lateral direction.
- a hole 25a is formed in the center of the end surface on the front end side of the cylindrical body 25, and the core wire of the coaxial cable inserted through the hole 25a is inserted from the front end of the holding pieces 26a and 26b and is held by the contact portion 26d.
- the end face on the front end side of the outer conductor 22 is sized so as to slightly protrude from the end face of the cylindrical body 25, and the insulator 23 (the support body 24 and the cylindrical body 25) is caulked by applying a load in the front and back directions of the outer conductor 22. Is made to fix.
- the insulator 23 (the support 24 and the cylindrical body 25) resonates due to the presence of a gap when a loud sound is generated, and an unpleasant noise is generated. There was a risk of occurrence.
- FIG. 2 and 3 are cross-sectional views when the F-type connector 1 according to the present technology is cut in the horizontal direction.
- FIG. 2 is a cross-sectional view of a stage before the F-type connector 1 is assembled by caulking.
- FIG. 3 is a cross-sectional view of the stage after the F-type connector 1 is assembled by caulking.
- FIG. 4 is an exploded perspective view of a part of the F-type connector 1
- FIG. 5 is a front view of a flexible member constituting an insulator.
- a side attached to a case body of a high frequency module such as a tuner unit is referred to as a back surface
- a side into which a core wire of a coaxial cable is inserted is referred to as a front surface.
- the F-type connector 1 includes a cylindrical outer conductor 2, an insulator 3 accommodated in the outer conductor 2, and a center electrode 6 supported in a hollow portion of the insulator 3.
- the insulator 3 has a two-body configuration, and includes a first insulating member (hereinafter referred to as a support) 4 disposed on the back side (side on which the F-type connector 1 is attached to the tuner unit) and a front side (coaxial). It has the 2nd insulating member (henceforth a flexible member) 5 distribute
- the support 4 and the flexible member 5 are resin molded products.
- the support 4 and the flexible member 5 are manufactured by molding a resin having excellent heat resistance such as PPS (polyphenylene sulfide), LCP (liquid crystal polymer), and nylon.
- the outer conductor 2 is made of a metal such as iron, brass, or zinc, and has a substantially cylindrical shape with a thread groove formed on the outer peripheral surface.
- a flange portion 2a is formed at the base portion of the outer conductor 2, and crimped portions 2b and 2c are provided symmetrically on the end surface on the base side.
- the crimping portions 2b and 2c are inserted into, for example, holes in the case plate of the tuner unit, and the F-type connector 1 is attached to the tuner unit by bending the crimping portions 2b and 2c.
- the F-type connector 1 may be attached by soldering, tightening with a nut, or the like.
- a locking member for example, a convex portion 2 d that comes into contact with the convex portion 4 a formed on the support 4 is provided.
- a convex portion is formed on the inner surface of the outer conductor 2
- a guide groove is formed on the outer peripheral surface of the support body 4, and the convex portion is inserted into the guide groove, whereby the support body 4 is It is locked.
- a center electrode 6 is disposed in an internal space formed by the support 4 and the flexible member 5.
- the center electrode 6 is made of a metal having conductivity and spring property, for example, phosphor bronze, and has sandwiching pieces 6a and 6b that sandwich the core wire of the coaxial cable to be inserted.
- the sandwiching pieces 6a and 6b are connected by a connecting portion 6c, and a contact portion 6d is formed which elastically contacts the sandwiching pieces 6a and 6c.
- the terminal part 6e is connected with respect to the connection part 6c.
- a hole for supporting the connecting portion 6 c of the center electrode 6 is formed in the support 4. Furthermore, a hole 4 b for leading the terminal portion 6 e to the back surface is formed in the support 4. The ends of the sandwiching pieces 6a and 6b are bent so as to be separated from each other, and a ⁇ -shaped tip is formed when viewed from the lateral direction.
- the flexible member 5 is formed by integrally molding a circular front plate 5a and a pair of elastic pieces 5b and 5c planted so as to extend from the front plate 5a toward the back. It arrange
- the flexible member 5 is a member that is movable in the front and back directions.
- the elastic pieces 5b and 5c are provided opposite to each other in the width direction of the sandwiching pieces 6a and 6b.
- Concave portions 7a and 7b are formed in part of the opposing surfaces of the elastic pieces 5b and 5c. The distance between the sandwiching pieces 6a, 6b and the flexible member 5 can be increased by the recesses 7a, 7b, and the high frequency characteristics of the F-type connector 1 can be improved.
- a coaxial cable core hole 5d is formed in the approximate center of the front plate 5a.
- the core wire of the coaxial cable inserted through the hole 5d is inserted from the tip of the sandwiching pieces 6a and 6b and is sandwiched by the contact portion 6d.
- the vicinity of the front plate 5a of the elastic pieces 5b and 5c is arranged to be close to both sides of the tip of the sandwiching pieces 6a and 6b. With this configuration, the positions of the tips of the sandwiching pieces 6a and 6b are restricted when the core wire is inserted, and the core wire can be smoothly inserted.
- the inclined surfaces 4c and 4d for expanding the ends of the elastic pieces 5b and 5c outward are formed on the front surface side of the support 4.
- Inclined surfaces 5e and 5f that coincide with the inclined surfaces 4c and 4d are formed at the ends of the elastic pieces 5b and 5c.
- These inclined surfaces 4c, 4d, 5e, and 5f extend outward from the front surface toward the back surface. Therefore, the flexible member 5 is configured to be movable in the front and back directions while maintaining the state of being fitted to the support 4. In addition, you may make it provide not only an inclined surface but a protrusion, and may extend the edge part of elastic piece 5b, 5c outward.
- the assembly of the support 4, the flexible member 5 and the center electrode 6 is inserted from the opening on the front side of the outer conductor 2.
- the end face on the front surface side of the outer conductor 2 has a size that slightly protrudes from the front surface of the front plate 5 a of the flexible member 5.
- the front surface of the outer conductor 2 is bent and the support member 4 having the center electrode 6 and the flexible member 5 are secured by applying a force between the front surface and the rear surface of the outer conductor 2. It is fixed inside the outer conductor 2.
- a gap having a width b is provided between the tips of the elastic pieces 5 b and 5 c and the convex portion 4 a of the support body 4.
- the support body in contact with the stage before assembly.
- This length x is set to the following relationship. x> (the length of the storage space for the support 4 and the flexible member 5 in the outer conductor 2 + the expected amount of shrinkage of the resin constituting the support 4 and the flexible member 5 + variation in caulking)
- the load during caulking is such that the bent end surface of the outer conductor 2 presses the front surface of the flexible member 5 in the back direction, as shown in FIG. Therefore, the respective distal ends of the elastic pieces 5b and 5c move to the back side along the inclined surfaces 4c and 4d and expand outward.
- the maximum value of the moving amount is the length b of the gap between the tips of the elastic pieces 5b, 5c that existed before assembly and the convex portion 4a of the support 4. In this way, when a caulking load is applied, the flexible member 5 moves in the back direction, and the gap is eliminated or becomes smaller.
- the gap G between the inner surface of the bent end of the outer conductor 2 and the front surface of the front plate 5a is maintained while the fitting state of the support body 4 and the flexible member 5 is maintained even when the crimping and the resin shrinkage occur.
- the flexible member 5 moves in a direction to fill (see FIG. 1C). Therefore, generation
- the center electrode 6 is formed by bending one metal plate by bending or the like, and the two sandwiching pieces 6a and 6b are overlapped with each other. Furthermore, it has the connection part 6c supported by the hole of the support body 4, the terminal part 6e extended from the one end side of this connection part 6c, and the contact part 6d which the clamping pieces 6a and 6b contact
- the IF frequency is higher than the current value (for example, 3.2 GHz in the advanced BS).
- the current value for example, 3.2 GHz in the advanced BS.
- FIG. 7A is a perspective view of the center electrode 6,
- FIG. 7B is a front view of the center electrode 6,
- FIG. 7C shows a state where the core wire 8 of the coaxial cable is held by the contact portions 6d of the holding pieces 6a and 6b.
- the amount by which the sandwiching pieces 6a and 6b are spread is P. Due to the contact between the peripheral surface of the core wire 8 and the arcuate surface, the amount P (the amount of spring deflection) P of the sandwiching pieces 6a, 6b is reduced, and the holding force cannot be sufficiently improved.
- FIG. 8A, 8B and 8C show a center electrode 6 'improved in this respect. Similar to the center electrode 6 shown in FIG. 7, sandwiching pieces 6 a ′ and 6 b ′, a connecting portion 6 c ′, a terminal portion 6 e ′, and a contact portion 6 d ′ are included. The difference from the center electrode 6 is that the cross-sectional shape of the tip section Lp including the contact portions 6d 'of the sandwiching pieces 6a' and 6b 'is flat. The cross-sectional shape of the clamping pieces 6a 'and 6b' other than the section Lp is an arc shape.
- the center electrode 6 ′ having such a configuration sandwiches the core wire 8 with a flat plate, so that the amount by which the sandwiching pieces 6 a ′ and 6 b ′ are spread (the amount of spring deflection) has an arcuate cross section.
- the amount Q is larger than the amount P of. Accordingly, since the amount of expansion (spring deflection) when holding the core wire 8 is increased, the holding force can be further increased.
- Electrodes of F type connector 9 and 10 show examples of electrical characteristics of the F-type connector.
- the horizontal axis represents the frequency
- the vertical axis represents the S parameter S11.
- the S parameter S11 indicates the reflection characteristic, and the smaller the value of the parameter S11, the better the reflection characteristic.
- the electrical characteristics indicated by the solid line are characteristics of the F-type connector 21 including the insulator 23 including the support 24 and the cylindrical body 25 as illustrated in FIG. 1.
- the electrical characteristics indicated by the broken line are the characteristics of an embodiment of the present technology (configuration including the insulator 3 including the support body 4 and the flexible member 5). As can be seen by comparing both characteristics, an embodiment of the present technology has better reflection characteristics than the F-type connector 21 shown in FIG.
- FIG. 10 shows the electrical characteristics of an F-type connector having a center electrode with a different configuration.
- the characteristic indicated by the solid line is the reflection characteristic of an F-type connector in which the cross-sectional shape of the center electrode is a flat plate.
- a characteristic indicated by a broken line is a reflection characteristic of an F-type connector in which the cross-sectional shape of the center electrode is an arc shape.
- the F-shaped connector having a circular arc cross section has better characteristics. The reason is that the rigidity of the center electrode is increased, the core wire can be drawn into the clamping part, and the distance between the center electrode and the outer conductor is kept uniform because the outer conductor is cylindrical. Conceivable. Since the above-described center electrode 6 ′ has an arc shape in cross section as a whole, it has a reflection characteristic indicated by a broken line in FIG. 10 and can improve the holding force of the core wire.
- FIG. 11 is a perspective view showing an appearance of a tuner unit to which an F-type connector according to the present technology is attached.
- the tuner unit 11 includes a tuner module substrate on which a tuner function unit is formed in a tuner case 12.
- the tuner case 12 has a function as a shield case.
- the tuner unit 11 has two antenna connectors (F-type connectors) 13 and 14 that are fixed to the tuner case 12 and whose core wires are connected to a tuner module substrate built in the tuner case 12.
- the F-type connectors according to the present technology described above are used as the antenna connectors 13 and 14.
- an IC as a terrestrial television broadcast (TV) tuner module function unit
- an IC as a satellite broadcast (BS) tuner module function unit
- electronic components are formed on the main surface of the tuner module substrate ( Installed).
- the tuner module substrate is mounted on a circuit board of a television receiver.
- Such a tuner unit 11 is used to configure a receiving device.
- This receiving apparatus is configured to receive, for example, a terrestrial television broadcast wave signal and a satellite broadcast wave signal.
- the receiving apparatus includes a receiving antenna that receives a broadcast wave signal, a tuner unit including a frequency conversion function (for example, a tuner unit 11 shown in FIG. 11), and a demodulation unit.
- the first system of the receiving device includes a receiving antenna, an antenna connector, a filter, a low noise amplifier (LNA), a tuner unit, and a demodulating unit.
- the second system of the receiving apparatus includes a receiving antenna, an antenna connector, a filter, a low noise amplifier (LNA), a tuner unit, and a demodulating unit.
- An F-type connector according to the present technology is used as an antenna connector.
- the present technology is not limited to the above-described embodiment, and various modifications based on the technical idea of the present technology are possible.
- the present invention can be applied not only to a tuner unit but also to other types of high-frequency units.
- the F-type connector of the present technology may be used for a receiving apparatus such as a television broadcast recording apparatus as well as a television receiver.
- the configurations, methods, steps, shapes, materials, numerical values, and the like given in the above-described embodiments are merely examples, and different configurations, methods, steps, shapes, materials, numerical values, and the like are used as necessary. Also good.
- this technique can also take the following structures.
- a cylindrical outer conductor made of a metal material A first insulating member disposed in the outer conductor; A front plate in which insertion holes for wires are formed, and a plurality of elastic pieces extending from the front plate toward the back and overlapping the front side and the end of the first insulating member in the front and back directions.
- a movable second insulating member A terminal portion disposed in a hollow portion in the first and second insulating members, and led out from the back surface of the first insulating member, and a sandwiching piece for sandwiching the wire connected to the terminal portion.
- a coaxial connector having a central electrode.
- the length x from the back surface of the first insulating member in contact with the front surface of the second insulating member is set to the following relationship:
- the first insulating member is the coaxial connector according to (1) or (2), wherein the first insulating member supports the holding piece and has a hole for leading out the terminal portion.
- the sandwiching piece of the center electrode has a contact portion for sandwiching the wire, and the sectional shape of the sandwiching piece including the contact portion is a flat plate shape, and the sectional shape of the other part of the sandwiching piece is an arc shape
- the coaxial connector according to any one of (1) to (7).
- the signal processing unit is a tuner module substrate having a tuner function, The high frequency unit according to (9), wherein a terminal portion of the coaxial connector is connected to the tuner module substrate.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
外部導体内に配された第1の絶縁部材と、
線材の挿入穴が形成された前面板と、前面板から背面に向かって延長し、第1の絶縁部材の前面側と端部が重なり合う複数の弾性片を有し、前面及び背面方向で可動の第2の絶縁部材と、
第1及び第2の絶縁部材内の中空部に配設され、第1の絶縁部材の背面から外部に導出される端子部及び端子部と接続された線材を挟持する挟持片を有する中心電極を備える同軸コネクタである。
また、本技術は、信号処理部が収納されたケース体と、
ケース体に固定され、中心電極の端子部が信号処理部に接続される少なくとも一つの同軸コネクタを有し、
同軸コネクタが上述した構成とされた高周波ユニットである。
さらに、本技術は、チューナ機能を有するチューナモジュール基板が収納されたケース体と、
ケース体に固定され、中心電極の端子部がチューナモジュール基板に接続される少なくとも一つの同軸コネクタを有し、
同軸コネクタが上述の構成とされた受信装置である。
なお、本技術の説明は、下記の順序にしたがってなされる。
<<1.F型コネクタの一例>>
<<2.一実施の形態>>
<<3.応用例>>
<<4.変形例>>
図1を参照してF型コネクタの一例について説明する。図1AはF型コネクタ21を垂直方向に切断した場合の断面図であり、図1BがF型コネクタ21を水平方向に切断した場合の断面図である。F型コネクタ21は、筒状の外部導体22、外部導体22内に収容されている円筒状の絶縁体23、及び絶縁体23の中空部に支持されている中心電極26から構成されている。
本技術は、かかる異音の発生を防止することができるものである。以下に、本技術の一実施の形態について説明する。図2及び図3は本技術によるF型コネクタ1を水平方向に切断した場合の断面図である。図2がカシメによりF型コネクタ1を組み立てる前の段階の断面図である。図3がカシメによりF型コネクタ1を組み立てた後の段階の断面図である。さらに、図4は、F型コネクタ1の一部の分解斜視図であり、図5は、絶縁体を構成する可撓性部材の正面図である。なお、以下の説明において、チューナユニット等の高周波モジュールのケース体に取り付けられる側を背面と称し、同軸ケーブルの芯線が挿入される側を前面と称する。
x>(外部導体2内の支持体4及び可撓性部材5の収納スペースの長さ+予想される支持体4及び可撓性部材5を構成する樹脂の収縮量+カシメのバラツキ)
中心電極6の一例について、図7を参照して説明する。中心電極6は、1枚の金属板を折り曲げ等によって加工し、2枚の挟持片6a,6bが互いに重ね合わされている。さらに、支持体4の穴に支持される連結部6cと、この連結部6cの一端側から延びる端子部6eと、挟持片6a,6bが当接する接触部6dを有する。
図9及び図10は、F型コネクタの電気特性の一例を示す。図9及び図10において横軸が周波数であり、縦軸がSパラメータS11である。SパラメータS11は、反射特性を示すもので、パラメータS11の値が小さいほど反射特性が良好とされる。
「チューナユニット」
図11は、本技術によるF型コネクタを取り付けられたチューナユニットの外観を示す斜視図である。チューナユニット11は、チューナ機能部が形成されたチューナモジュール基板をチューナケース12に内蔵したものである。チューナケース12はシールドケースとしての機能を有する。また、チューナユニット11は、チューナケース12に固定され、芯線がチューナケース12に内蔵されるチューナモジュール基板に接続される二つのアンテナコネクタ(F型コネクタ)13,14を有する。上述した本技術によるF型コネクタがアンテナコネクタ13,14として使用される。
以上、本技術の一実施の形態について具体的に説明したが、本技術は、上述の一実施の形態に限定されるものではなく、本技術の技術的思想に基づく各種の変形が可能である。例えば、チューナユニットに限らず、他の種類の高周波ユニットに対しても適用することができる。また、テレビジョン受像機に限らず、テレビジョン放送録画装置等の受信装置に本技術のF型コネクタを使用してもよい。また、上述の実施形態において挙げた構成、方法、工程、形状、材料及び数値などはあくまでも例に過ぎず、必要に応じてこれと異なる構成、方法、工程、形状、材料及び数値などを用いてもよい。
(1)
金属材からなる筒状の外部導体と、
前記外部導体内に配された第1の絶縁部材と、
線材の挿入穴が形成された前面板と、前記前面板から背面に向かって延長し、前記第1の絶縁部材の前面側と端部が重なり合う複数の弾性片を有し、前面及び背面方向で可動の第2の絶縁部材と、
前記第1及び第2の絶縁部材内の中空部に配設され、前記第1の絶縁部材の背面から外部に導出される端子部及び前記端子部と接続された前記線材を挟持する挟持片を有する中心電極を備える同軸コネクタ。
(2)
カシメのための荷重を加える前の段階で、当接している状態の前記第1の絶縁部材の背面から前記第2の絶縁部材の前面までの長さxを下記の関係に設定するようにした(1)に記載の同軸コネクタ。
x>(外部導体内の第1及び第2の絶縁部材の収納スペースの長さ+予想される絶縁部材の収縮量+カシメのバラツキ)
(3)
前記第1の絶縁部材は、前記挟持片を支持すると共に、前記端子部を導出するための穴を有する(1)又は(2)に記載の同軸コネクタ。
(4)
前記第1の絶縁部材の前面側に、前記弾性片の端部を外方に拡げるための傾斜面又は突起が形成された(1)乃至(3)の何れかに記載の同軸コネクタ。
(5)
断面形状が円弧状の一対の前記弾性片が対向して前記前面板に植立された(1)乃至(4)に記載の同軸コネクタ。
(6)
前記一対の弾性片の対向面の一部が肉薄とされて、前記中心電極の外側に凹部が形成された(1)乃至(5)に記載の同軸コネクタ。
(7)
前記一対の弾性片の対向面の前記前面板の近傍部分が前記中心電極の前記挟持片に近接する(1)乃至(6)に記載の同軸コネクタ。
(8)
前記中心電極の前記挟持片が前記線材を挟持する接触部を有し、前記接触部を含む前記挟持片の断面形状が平板状とされ、前記挟持片の他の部分の断面形状が円弧状とされた(1)乃至(7)に記載の同軸コネクタ。
(9)
信号処理部が収納されたケース体と、
前記ケース体に固定され、中心電極の端子部が前記信号処理部に接続される少なくとも一つの同軸コネクタを有し、
前記同軸コネクタが(1)に記載の構成とされた高周波ユニット。
(10)
前記信号処理部がチューナ機能を有するチューナモジュール基板であり、
前記同軸コネクタの端子部が前記チューナモジュール基板に接続される(9)に記載の高周波ユニット。
(11)
チューナ機能を有するチューナモジュール基板が収納されたケース体と、
前記ケース体に固定され、中心電極の端子部が前記チューナモジュール基板に接続される少なくとも一つの同軸コネクタを有し、
前記同軸コネクタが(1)に記載の構成とされた受信装置。
2・・・外部導体
3・・・絶縁体
4・・・支持体
4c,4d・・・傾斜面
5・・・可撓性部材
5a・・・前面板
5b,5c・・・弾性片
5e,5f・・・傾斜面
6・・・中心電極
7a,7b・・・凹部
8・・・芯線
Claims (11)
- 金属材からなる筒状の外部導体と、
前記外部導体内に配された第1の絶縁部材と、
線材の挿入穴が形成された前面板と、前記前面板から背面に向かって延長し、前記第1の絶縁部材の前面側と端部が重なり合う複数の弾性片を有し、前面及び背面方向で可動の第2の絶縁部材と、
前記第1及び第2の絶縁部材内の中空部に配設され、前記第1の絶縁部材の背面から外部に導出される端子部及び前記端子部と接続された前記線材を挟持する挟持片を有する中心電極を備える同軸コネクタ。 - カシメのための荷重を加える前の段階で、当接している状態の前記第1の絶縁部材の背面から前記第2の絶縁部材の前面までの長さxを下記の関係に設定するようにした請求項1に記載の同軸コネクタ。
x>(外部導体内の第1及び第2の絶縁部材の収納スペースの長さ+予想される絶縁部材の収縮量+カシメのバラツキ) - 前記第1の絶縁部材は、前記挟持片を支持すると共に、前記端子部を導出するための穴を有する請求項1に記載の同軸コネクタ。
- 前記第1の絶縁部材の前面側に、前記弾性片の端部を外方に拡げるための傾斜面又は突起が形成された請求項1に記載の同軸コネクタ。
- 断面形状が円弧状の一対の前記弾性片が対向して前記前面板に植立された請求項3に記載の同軸コネクタ。
- 前記一対の弾性片の対向面の一部が肉薄とされて、前記中心電極の外側に凹部が形成された請求項5に記載の同軸コネクタ。
- 前記一対の弾性片の対向面の前記前面板の近傍部分が前記中心電極の前記挟持片に近接する請求項5に記載の同軸コネクタ。
- 前記中心電極の前記挟持片が前記線材を挟持する接触部を有し、前記接触部を含む前記挟持片の断面形状が平板状とされ、前記挟持片の他の部分の断面形状が円弧状とされた請求項1に記載の同軸コネクタ。
- 信号処理部が収納されたケース体と、
前記ケース体に固定され、中心電極の端子部が前記信号処理部に接続される少なくとも一つの同軸コネクタを有し、
前記同軸コネクタが請求項1に記載の構成とされた高周波ユニット。 - 前記信号処理部がチューナ機能を有するチューナモジュール基板であり、
前記同軸コネクタの端子部が前記チューナモジュール基板に接続される請求項9に記載の高周波ユニット。 - チューナ機能を有するチューナモジュール基板が収納されたケース体と、
前記ケース体に固定され、中心電極の端子部が前記チューナモジュール基板に接続される少なくとも一つの同軸コネクタを有し、
前記同軸コネクタが請求項1に記載の構成とされた受信装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780050013.1A CN109643874B (zh) | 2016-08-23 | 2017-06-19 | 同轴连接器、高频单元和接收装置 |
EP17843172.2A EP3506436B1 (en) | 2016-08-23 | 2017-06-19 | Coaxial connector, high-frequency unit, and reception device |
US16/325,307 US10944194B2 (en) | 2016-08-23 | 2017-06-19 | Coaxial connector, high frequency unit, and receiver |
KR1020197004324A KR102413917B1 (ko) | 2016-08-23 | 2017-06-19 | 동축 커넥터, 고주파 유닛 및 수신 장치 |
JP2018535481A JP6933382B2 (ja) | 2016-08-23 | 2017-06-19 | 同軸コネクタ、高周波ユニット及び受信装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016162663 | 2016-08-23 | ||
JP2016-162663 | 2016-08-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018037684A1 true WO2018037684A1 (ja) | 2018-03-01 |
Family
ID=61245740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/022491 WO2018037684A1 (ja) | 2016-08-23 | 2017-06-19 | 同軸コネクタ、高周波ユニット及び受信装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10944194B2 (ja) |
EP (1) | EP3506436B1 (ja) |
JP (1) | JP6933382B2 (ja) |
KR (1) | KR102413917B1 (ja) |
CN (1) | CN109643874B (ja) |
TW (1) | TWI733851B (ja) |
WO (1) | WO2018037684A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020054754A1 (ja) * | 2018-09-14 | 2020-03-19 | パナソニックIpマネジメント株式会社 | マイクロ波加熱装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59138183U (ja) * | 1983-03-04 | 1984-09-14 | 豊無線株式会社 | 同軸コ−ドとf型コネクタ−との接続構造 |
US4491685A (en) * | 1983-05-26 | 1985-01-01 | Armex Cable Corporation | Cable connector |
JP2004228021A (ja) | 2003-01-27 | 2004-08-12 | Alps Electric Co Ltd | F型コネクタ |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59138183A (ja) | 1983-01-28 | 1984-08-08 | Mitsubishi Electric Corp | 色彩画像符号化方法 |
JP3685898B2 (ja) * | 1997-03-03 | 2005-08-24 | Uro電子工業株式会社 | 終端型同軸コネクタ |
US6071144A (en) * | 1998-09-09 | 2000-06-06 | Tang; Danny Q. | Hermetically sealed F-connector |
CN2440276Y (zh) * | 2000-09-22 | 2001-07-25 | 利阳电子股份有限公司 | 讯号连接器结构 |
CN2473782Y (zh) * | 2001-03-20 | 2002-01-23 | 翁胜嘉 | 具有高夹持力的同轴电缆连接器 |
JP2007103063A (ja) * | 2005-09-30 | 2007-04-19 | Maspro Denkoh Corp | 同軸ケーブル用f型接栓 |
CN201490509U (zh) * | 2009-06-09 | 2010-05-26 | 钱云成 | 一种新型电视插芯 |
CN201540995U (zh) * | 2009-10-19 | 2010-08-04 | 宁波兴瑞电子有限公司 | 一种f型连接器 |
JP2012059605A (ja) * | 2010-09-10 | 2012-03-22 | Alps Electric Co Ltd | 高周波モジュール |
US8777658B2 (en) * | 2012-03-19 | 2014-07-15 | Holland Electronics, Llc | Ingress reduction coaxial cable connector |
US9793660B2 (en) * | 2012-03-19 | 2017-10-17 | Holland Electronics, Llc | Shielded coaxial connector |
US9136629B2 (en) * | 2012-07-19 | 2015-09-15 | Holland Electronics, Llc | Moving part coaxial cable connectors |
US9923308B2 (en) * | 2012-04-04 | 2018-03-20 | Holland Electronics, Llc | Coaxial connector with plunger |
-
2017
- 2017-06-19 CN CN201780050013.1A patent/CN109643874B/zh active Active
- 2017-06-19 EP EP17843172.2A patent/EP3506436B1/en active Active
- 2017-06-19 KR KR1020197004324A patent/KR102413917B1/ko active IP Right Grant
- 2017-06-19 US US16/325,307 patent/US10944194B2/en active Active
- 2017-06-19 JP JP2018535481A patent/JP6933382B2/ja active Active
- 2017-06-19 WO PCT/JP2017/022491 patent/WO2018037684A1/ja unknown
- 2017-07-07 TW TW106122779A patent/TWI733851B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59138183U (ja) * | 1983-03-04 | 1984-09-14 | 豊無線株式会社 | 同軸コ−ドとf型コネクタ−との接続構造 |
US4491685A (en) * | 1983-05-26 | 1985-01-01 | Armex Cable Corporation | Cable connector |
JP2004228021A (ja) | 2003-01-27 | 2004-08-12 | Alps Electric Co Ltd | F型コネクタ |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020054754A1 (ja) * | 2018-09-14 | 2020-03-19 | パナソニックIpマネジメント株式会社 | マイクロ波加熱装置 |
CN112567889A (zh) * | 2018-09-14 | 2021-03-26 | 松下知识产权经营株式会社 | 微波加热装置 |
EP3852495A4 (en) * | 2018-09-14 | 2021-11-10 | Panasonic Intellectual Property Management Co., Ltd. | MICROWAVE HEATING DEVICE |
CN112567889B (zh) * | 2018-09-14 | 2023-04-11 | 松下知识产权经营株式会社 | 微波加热装置 |
Also Published As
Publication number | Publication date |
---|---|
KR102413917B1 (ko) | 2022-06-27 |
EP3506436B1 (en) | 2021-03-10 |
KR20190038566A (ko) | 2019-04-08 |
EP3506436A4 (en) | 2019-08-14 |
TWI733851B (zh) | 2021-07-21 |
EP3506436A1 (en) | 2019-07-03 |
CN109643874A (zh) | 2019-04-16 |
JPWO2018037684A1 (ja) | 2019-06-20 |
JP6933382B2 (ja) | 2021-09-08 |
US10944194B2 (en) | 2021-03-09 |
US20190181577A1 (en) | 2019-06-13 |
CN109643874B (zh) | 2021-03-02 |
TW201807908A (zh) | 2018-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI460939B (zh) | Coaxial connector device | |
JP5947885B2 (ja) | プラグコネクタ、レセプタクルコネクタ、およびこれらのコネクタで構成される同軸コネクタ | |
US9172194B2 (en) | Coaxial connector plug | |
US7695289B1 (en) | Connector | |
JP6588403B2 (ja) | 同軸コネクタ | |
JP2008035479A (ja) | 回路基板内蔵コネクタ及びキャッチャ | |
JP2012243441A (ja) | 同軸コネクタ装置 | |
JP2009093870A (ja) | 導電部材、その導電部材を有するコネクタ | |
JP7032978B2 (ja) | L形同軸端子を備えたコネクタおよびその製造方法 | |
JP2010108719A (ja) | コネクタ | |
KR20180028386A (ko) | 전기 커넥터 | |
JP6933382B2 (ja) | 同軸コネクタ、高周波ユニット及び受信装置 | |
JP2009151985A (ja) | L型同軸プラグ | |
JP2011181518A (ja) | コネクタ | |
JP2015130266A (ja) | 同軸コネクタ装置 | |
JP2008084561A (ja) | 基板用シールドコネクタの接続構造 | |
JP6681655B2 (ja) | 同軸コネクタ | |
JP3712590B2 (ja) | ケーブルコネクタ | |
JP2017174624A (ja) | 同軸コネクタ | |
JP2001135431A (ja) | テレビコンセント | |
KR101288229B1 (ko) | 커넥터 및 이를 이용하는 튜너 | |
JP2008041273A (ja) | Fコネクタおよびfコネクタ搭載製品 | |
JPH05144488A (ja) | 同軸ケーブル用接続端子 | |
JP2000100492A (ja) | テレビターミナル | |
JP2003187926A (ja) | 同軸コネクタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17843172 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2018535481 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20197004324 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2017843172 Country of ref document: EP Effective date: 20190325 |