CN118399150A - Multi-channel radio frequency connector - Google Patents
Multi-channel radio frequency connector Download PDFInfo
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- CN118399150A CN118399150A CN202410851957.0A CN202410851957A CN118399150A CN 118399150 A CN118399150 A CN 118399150A CN 202410851957 A CN202410851957 A CN 202410851957A CN 118399150 A CN118399150 A CN 118399150A
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- Prior art keywords
- press
- flat cable
- radio frequency
- frequency signal
- center
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Links
- 238000003825 pressing Methods 0.000 claims abstract description 72
- 230000008054 signal transmission Effects 0.000 claims abstract description 51
- 238000002788 crimping Methods 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims description 45
- 239000002184 metal Substances 0.000 claims description 45
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 38
- 239000002344 surface layer Substances 0.000 description 24
- 238000010586 diagram Methods 0.000 description 17
- 210000001503 joint Anatomy 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910001006 Constantan Inorganic materials 0.000 description 1
- 229910001275 Niobium-titanium Inorganic materials 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- HPDFFVBPXCTEDN-UHFFFAOYSA-N copper manganese Chemical compound [Mn].[Cu] HPDFFVBPXCTEDN-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- RJSRQTFBFAJJIL-UHFFFAOYSA-N niobium titanium Chemical compound [Ti].[Nb] RJSRQTFBFAJJIL-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
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
-
- 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
-
- 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
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention provides a multichannel radio frequency connector which can be applied to the technical field of radio frequency connectors. The multi-channel radio frequency connector comprises: an up-press structure, a down-press structure and a center-press structure. The upper pressing structure and the lower pressing structure are oppositely arranged at two sides of the flat cable structure. The center press structure is assembled in the upper press structure and comprises a center pad press structure and a grounding press structure. Each flat cable in the flat cable structure comprises a plurality of radio frequency signal channels, the radio frequency signal channels are used for arranging radio frequency signal transmission lines, and the central pad crimping structure enables the radio frequency signal channels of each flat cable in the flat cable structure to be in contact with each other, so that the radio frequency signal transmission lines of each flat cable in the flat cable structure are electrically connected with each other.
Description
Technical Field
The invention relates to the technical field of radio frequency connectors, in particular to a multichannel radio frequency connector.
Background
As rf connectors are typically used as transmission lines for the transmission of rf signals, they are electrically connected or disconnected. The rf connector is usually a coaxial structure, and its main electrical characteristics include characteristic impedance, standing wave ratio, insertion loss, rf leakage, frequency of use, and the like. As market demand for radio frequency connectors increases, so does the demand for characteristics of radio frequency connectors.
In the process of realizing the concept of the invention, the inventor finds that the radio frequency connector in the related art has larger volume and is not suitable for a high-density scene.
Disclosure of Invention
In view of the foregoing, the present invention provides a multi-channel radio frequency connector, comprising: an up-press structure, a down-press structure and a center-press structure; the upper pressing structure and the lower pressing structure are oppositely arranged at two sides of the flat cable structure; the central pressing structure is assembled in the upper pressing structure and comprises a central pad pressing structure and a grounding pressing structure, wherein each wire arrangement in the wire arrangement structure comprises a plurality of radio frequency signal channels, the radio frequency signal channels are used for arranging radio frequency signal transmission wires, and the central pad pressing structure enables the radio frequency signal channels of each wire arrangement in the wire arrangement structure to be in contact with each other, so that the radio frequency signal transmission wires of each wire arrangement in the wire arrangement structure are electrically connected with each other.
According to an embodiment of the present invention, the radio frequency signal channels of the wires are in contact with each other through a butt joint interface, wherein the butt joint interface is a port of the radio frequency signal channel, the butt joint interface includes a center pad and an outer ring metal ground, the center pad crimping structure is used for extruding the center pad of the butt joint interface, and the ground crimping structure is used for extruding the outer ring metal ground.
According to an embodiment of the present invention, the types of the above-described center press structure include a fixed press screw structure, a spring press screw structure, an elastomer press screw structure, and an integrated spring screw structure.
According to an embodiment of the present invention, in the case where the center press structure is a fixed press screw structure, the ground press structure is integrated in the upper press structure, and the center pad press structure is assembled in the upper press structure; in the case that the center pressing structure is a spring press-fit screw structure, the ground press-fit structure is integrated in the upper pressing structure, and the center pad press-fit structure is assembled in the upper pressing structure; when the central pressing structure is an elastomer pressing structure, the grounding pressing structure is integrated in the upper pressing structure, and the central pad pressing structure is assembled in the upper pressing structure; in the case that the center pressing structure is an integrated spring screw structure, the center pad pressing structure and the ground pressing structure are integrated into an integrated spring screw structure and are assembled in the upper pressing structure.
According to an embodiment of the present invention, the flat cable in the flat cable structure includes three metal film layers and two dielectric substrate layers respectively sandwiched between the three metal film layers.
According to the embodiment of the invention, the metal film layer on the upper surface layer and the metal film layer on the lower surface layer of the flat cable are all metal grounds, and the metal film layer in the middle of the flat cable is a radio frequency signal transmission layer and is provided with the plurality of radio frequency signal channels.
According to the embodiment of the invention, the metallized through hole arrays are distributed between the adjacent radio frequency signal channels at equal intervals.
According to an embodiment of the present invention, each of the rf signal channels includes a metallized blind hole, and the metallized blind hole transfers the rf signal transmission line of the flat cable from the rf signal transmission layer to the lower surface layer or the upper surface layer of the flat cable, so that the rf signal transmission line of the flat cable is electrically connected to the rf signal transmission lines of other flat cables in the flat cable structure, wherein the metallized blind hole is a metallized hole of the rf signal transmission layer to the upper surface layer or the lower surface layer of the flat cable, and is disposed at one end of the rf signal channel.
According to an embodiment of the present invention, the multi-channel rf connector further includes a positioning pin, where the positioning pin is used for positioning the pressing structure and the flat cable structure.
According to an embodiment of the present invention, the shape of the above-described pair of interfaces includes a circle and a rectangle.
According to the multi-channel radio frequency connector provided by the invention, the multi-channel radio frequency connector consists of the upper pressing structure and the lower pressing structure which comprise the central pressing structure, the central pressing structure comprises the central pad pressing structure and the grounding pressing structure, the central pad pressing structure can enable the radio frequency signal channels of the flat cables in the flat cable structure to be correspondingly connected, so that the radio frequency signal transmission lines of the flat cables in the flat cable structure are tightly connected, the opposite interfaces of the radio frequency signal channels of the flat cables can be arranged at will according to an array form, the volume of the multi-channel radio frequency connector can be reduced, and the multi-channel radio frequency connector can be suitable for high-density scenes.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following description of embodiments of the invention with reference to the accompanying drawings, in which:
FIG. 1 shows a block diagram of a multi-channel radio frequency connector according to an embodiment of the present invention;
Fig. 2 shows a top view of the structure of a multi-channel radio frequency connector according to an embodiment of the invention;
FIG. 3A illustrates a block diagram of a multi-channel RF connector-to-interface in accordance with an embodiment of the present invention;
FIG. 3B shows a block diagram of a multi-channel RF connector-to-interface in accordance with yet another embodiment of the invention;
fig. 4A illustrates a top view of a press-up structure of a multi-channel radio frequency connector according to an embodiment of the present invention;
fig. 4B illustrates a side view of an up-press structure of a multi-channel radio frequency connector according to an embodiment of the present invention;
FIG. 5A illustrates a block diagram of a center crimp structure as a set crimp screw in accordance with an embodiment of the present invention;
FIG. 5B illustrates a block diagram of a center crimp structure as a spring crimp screw in accordance with an embodiment of the present invention;
FIG. 5C illustrates a block diagram of a central crimp structure as an elastomer in accordance with an embodiment of the present invention; and
Fig. 5D shows a structural view of the center-press structure as a center-pad press-contact structure and the ground-press-contact structure integrated into a one-piece spring screw structure according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the invention. It may be evident, however, that one or more embodiments may be practiced without these specific details. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprises," "comprising," and/or the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.
All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be construed to have meanings consistent with the context of the present specification and should not be construed in an idealized or overly formal manner.
Where a convention analogous to "at least one of A, B and C, etc." is used, in general such a convention should be interpreted in accordance with the meaning of one of skill in the art having generally understood the convention (e.g., "a system having at least one of A, B and C" would include, but not be limited to, systems having a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.).
In the technical scheme of the invention, the related user information (including but not limited to user personal information, user image information, user equipment information, such as position information and the like) and data (including but not limited to data for analysis, stored data, displayed data and the like) are information and data authorized by a user or fully authorized by all parties, and the related data are collected, stored, used, processed, transmitted, provided, disclosed, applied and the like, all comply with related laws and regulations and standards, necessary security measures are adopted, no prejudice to the public order is provided, and corresponding operation entries are provided for the user to select authorization or rejection.
In the process of realizing the invention, the radio frequency connector in the related technology needs to be matched with the male and female heads for use, the male and female heads are required to be inserted into each other, but the height after the insertion is higher, the density of the radio frequency connector is constrained by the structure and the process capability, the standard interface size of the connector is difficult to break through, the situation that the center distance of the connector is smaller than 2mm or less cannot be realized, in addition, the male and female heads have certain insertion force during the insertion, the insertion force is multiplied when a plurality of groups are integrated for use, the installation and the insertion are difficult, and the stress damage is easy.
The connector in the related art is also provided with the wire-disorder contact pin on the metal floor in the middle of the upper printed board and the lower printed board, and after the wire-disorder contact pin is compressed, the two ends of the wire-disorder contact pin are propped against the signal metal pad and the grounding metal pad of the printed board by virtue of elasticity, so that vertical connection is realized, but the reliability of the wire-disorder contact pin is poor, the contact resistance is high, the assembly is very complex, the maintainability is poor, and the wire-disorder contact pin is not suitable for a high-density scene.
In view of the foregoing, embodiments of the present invention provide a multi-channel radio frequency connector comprising: an up-press structure, a down-press structure and a center-press structure; the upper pressing structure and the lower pressing structure are oppositely arranged at two sides of the flat cable structure; the central press structure is assembled in the upper press structure and comprises a central pad press structure and a grounding press structure, wherein each flat cable in the flat cable structure comprises a plurality of radio frequency signal channels, the radio frequency signal channels are used for arranging radio frequency signal transmission lines, and the central pad press structure enables the radio frequency signal channels of each flat cable in the flat cable structure to be in contact with each other, so that the radio frequency signal transmission lines of each flat cable in the flat cable structure are electrically connected with each other.
Fig. 1 shows a block diagram of a multi-channel radio frequency connector according to an embodiment of the present invention.
As shown in fig. 1, the multi-channel radio frequency connector 100 includes: an up-press structure 110, a down-press structure 120, and a center-press structure 130.
According to an embodiment of the present invention, the upper pressing structure 110 and the lower pressing structure 120 are disposed opposite to each other on both sides of the flat cable structure.
According to an embodiment of the present invention, the center press structure 130 is assembled in the upper press structure 110, and the center press structure 130 includes a center pad press structure and a ground press structure. Each flat cable in the flat cable structure comprises a plurality of radio frequency signal channels, the radio frequency signal channels are used for arranging radio frequency signal transmission lines, and the central pad crimping structure enables the radio frequency signal channels of each flat cable in the flat cable structure to be in contact with each other, so that the radio frequency signal transmission lines of each flat cable in the flat cable structure are electrically connected with each other.
The material of the upper pressing structure 110 and the lower pressing structure 120 may be any metal material or non-metal material according to an embodiment of the present invention.
According to the embodiment of the invention, the flat cable structure can be a plurality of flat cables which are butted through a multi-channel radio frequency connector, wherein the flat cable can be a flexible circuit (Flexible Printed Circuit, FPC) flexible flat cable or a printed circuit board (Printed Circuit Board, PCB) flat cable. For example, as shown in fig. 1, the flat cable structure may include two flat cables, an FPC flexible flat cable 141 and an opposite connection flat cable 142, and the opposite connection flat cable 142 may be an FPC flexible flat cable or a PCB flat cable.
According to the embodiment of the invention, the flexible flat cable 141 and the opposite-end connection flat cable 142 of the FPC can be tightly abutted through the upper pressing structure 110, the lower pressing structure 120 and the central pressing structure 130, so that stable transmission of radio frequency signals is realized.
According to an embodiment of the present invention, each of the flat cables may include a plurality of radio frequency signal channels for arranging radio frequency signal transmission lines therein, each of the radio frequency signal transmission channels being set to a standard characteristic impedance of 50 ohms. The radio frequency signal transmission line may be a strip transmission line or a coplanar waveguide transmission line (Grounded Coplanar Waveguide, GCPW).
According to an embodiment of the present invention, the rf signal path may include a metallized blind via 150, and the metallized blind via 150 may transfer the rf signal transmission line from the rf signal transmission layer to the lower surface layer or the upper surface layer of the flat cable. The upper surface layer or the lower surface layer of the flat cable is provided with opposite interfaces of the radio frequency signal transmission channel, and the opposite interfaces can be arranged in an array form according to requirements. Each rf signal path may correspond to a central pressure structure 130. The center press structure 130 includes a center pad press structure and a ground press structure. For example, a plurality of radio frequency signal channels of the flexible flat cable of the FPC may be connected in one-to-one correspondence with a plurality of radio frequency signal channels of the opposite-end connection flat cable. The plurality of radio frequency signal channels of the FPC flexible flat cable can be connected with the plurality of radio frequency signal channels of the opposite-end connection flat cable in a one-to-one correspondence manner through the plurality of center pad compression joint structures and the plurality of grounding compression joint structures, so that the radio frequency signal transmission lines of the flat cables in the flat cable structure are electrically connected with each other.
According to an embodiment of the present invention, the multi-channel rf connector 100 may further include a fastening screw hole 160 threadedly engaged with the fastening screw hole 160 for applying pressure to the upper press structure 110, the lower press structure 120, thereby achieving tight connection of the upper press structure 110, the lower press structure 120, and the flat cable structure.
According to the embodiment of the invention, the multichannel radio frequency connector is composed of the upper pressing structure and the lower pressing structure which comprise the central pressing structure, the central pressing structure comprises the central pad pressing structure and the grounding pressing structure, the central pad pressing structure can enable radio frequency signal channels of each flat cable in the flat cable structure to be correspondingly connected, so that the tight connection of the radio frequency signal transmission lines of each flat cable in the flat cable structure is realized, the opposite interfaces of the radio frequency signal channels of each flat cable can be arranged at will according to an array form, the volume of the multichannel radio frequency connector can be reduced, and the multichannel radio frequency connector can be suitable for a high-density scene.
As shown in fig. 1, the flat cable structure may include two flat cables, where the flat cable includes three metal film layers and two dielectric substrate layers respectively sandwiched between the three metal film layers.
According to the embodiment of the invention, the flat cable can be an FPC flexible flat cable, and the flexible flat cable can comprise three metal film layers and two dielectric substrate layers respectively clamped between the three metal film layers. The metal film of the metal film layer can be a conventional brass film, or can be a beryllium copper film, a constantan film, a manganese copper film and the like with low heat conductivity coefficient, so that low heat leakage performance can be realized. The metal film of the metal film layer can also be a superconducting metal film layer, such as a niobium film, a niobium-titanium film and the like, so that the characteristics of ultralow heat leakage and ultralow loss can be realized, and the device is suitable for a signal reading circuit.
According to the embodiment of the invention, the material of the two dielectric substrate layers respectively sandwiched between the three metal film layers may be Polyimide (PI) film, polyester film, or the like.
According to the embodiment of the invention, the upper pressing structure and the lower pressing structure comprising the central pressing structure can realize the butt joint of the FPC flexible flat cable and the FPC flexible flat cable, can realize the butt joint of the FPC flexible flat cable and the PCB flat cable, and can also realize the butt joint of the PCB flat cable and the PCB flat cable.
According to the embodiment of the invention, the characteristics of the multi-channel radio frequency connector can be controlled by selecting the materials of different metal film layers and dielectric substrate layers, so that the flexibility of the characteristics of the multi-channel radio frequency connector is improved.
According to the embodiment of the invention, the metal film layer on the upper surface layer and the metal film layer on the lower surface layer of the flat cable are both metal grounds, and the metal film layer in the middle of the flat cable is a radio frequency signal transmission layer and is provided with a plurality of radio frequency signal channels.
According to the embodiment of the invention, when one flat cable in the flat cable structure for butt joint is a flexible flat cable, the metal film layer on the upper surface layer of the flexible flat cable and the metal film layer on the lower surface layer of the flexible flat cable are both metal grounds, the metal film layer in the middle of the flexible flat cable is a radio frequency signal transmission layer, and a plurality of radio frequency signal channels can be arranged in the radio frequency signal transmission layer and are used for arranging the radio frequency signal transmission lines.
According to an embodiment of the present invention, each of the rf signal channels includes a metallized blind hole that transfers the rf signal transmission line of the flat cable from the rf signal transmission layer to the lower surface layer or the upper surface layer of the flat cable, thereby electrically connecting the rf signal transmission line of the flat cable with the rf signal transmission lines of other flat cables in the flat cable structure.
According to the embodiment of the invention, the metallized blind holes are the metallized holes from the radio frequency signal transmission layer to the upper surface layer or the lower surface layer of the flat cable, and the metallized blind holes of the radio frequency signal channels can transition the radio frequency signal channels from the intermediate signal transmission layer to the upper surface layer or the lower surface layer of the flat cable.
For example, under the condition that the flat cable contacting the upper pressing structure is an FPC flexible flat cable, the metallized blind holes can transition the radio frequency signal channel from the middle signal transmission layer of the FPC flexible flat cable to the lower surface layer of the FPC flexible flat cable, and the opposite-end connection flat cable can transition the radio frequency signal channel of the opposite-end connection flat cable from the middle signal transmission layer of the opposite-end connection flat cable to the upper surface layer of the opposite-end connection flat cable through the metallized blind holes, so that the butt joint of the radio frequency signal transmission channel of the FPC flexible flat cable and the radio frequency signal transmission channel of the opposite-end connection flat cable is realized.
According to the embodiment of the invention, the radio frequency signal transmission line in the radio frequency signal channel can be transited from the radio frequency signal transmission layer to the upper surface layer or the lower surface layer of the flat cable through the metallized blind hole, so that the radio frequency signal transmission line of the flat cable is electrically connected with the radio frequency signal transmission lines of other flat cables in the flat cable structure, and the quality and the efficiency of radio frequency signal transmission are improved.
According to the embodiment of the invention, the radio frequency signal channels of the flat cables are contacted with each other through the butt joint, the central pad crimping structure is used for extruding the central pad of the butt joint, and the ground crimping structure is used for extruding the outer ring metal ground.
According to an embodiment of the invention, the interface is a port of a radio frequency signal channel, and the interface comprises a center pad and an outer ring metal ground. The radio frequency signal channels of each flat cable can be contacted with each other through the butt joint, and the central pad crimping structure of the central crimping structure can be used for extruding the central pad of the butt joint, so that radio frequency signal connection is realized. The grounding crimping structure of the central pressure structure can be used for extruding the outer ring metal ground, so that signal isolation among all radio frequency signal channels is realized.
According to the embodiment of the invention, the radio frequency signal channels of the flat cables are contacted with each other through the interface, so that the electric connection of the radio frequency signal transmission lines of the flat cables is realized, and the transmission quality of radio frequency signals is improved.
According to the embodiment of the invention, the metallized through hole arrays are distributed between the adjacent radio frequency signal channels at equal intervals.
According to the embodiment of the invention, the radio frequency signal channels comprise a plurality of the adjacent radio frequency signal channels, and the metallized through hole arrays can be distributed between the adjacent radio frequency signal channels at equal intervals and are used for shielding signals between the adjacent radio frequency signal channels, so that the quality of the transmitted radio frequency signals is improved.
Fig. 2 shows a top view of the structure of a multi-channel radio frequency connector according to an embodiment of the invention.
As shown in fig. 2, the flat cable structure may include an FPC flat cable 141, an opposite-end connection flat cable 142, and a metallized through-hole array including a plurality of metallized through-holes 210, and the central pad and the outer ring of the interface may be pressed by the central pressing structure 130 in the upper pressing structure 110, so as to implement corresponding connection of the radio frequency signal channels of each flat cable. The multi-channel radio frequency signal connector further comprises a fastening screw hole 160, and fastening screws in the fastening screw hole 160 are used for locking the flat cable structure with the upper pressing structure and the lower pressing structure, so that continuous and stable pressure welding force is provided, and reliable transmission of radio frequency signals is ensured. After the upper pressing structure 110 and the lower pressing structure 120 are locked, the outer ring of the interface of the radio frequency signal channels is tightly connected with the metal ground, so that the signal isolation between the radio frequency signal channels can be ensured.
According to embodiments of the present invention, the shape of the interface may be circular and rectangular, and the shape of the interface may be any other shape besides circular and rectangular.
Fig. 3A shows a block diagram of a multi-channel rf connector-to-interface in accordance with an embodiment of the invention.
Fig. 3B shows a block diagram of a multi-channel rf connector-to-interface in accordance with yet another embodiment of the invention.
As shown in fig. 3A, the multi-channel rf connector has a circular shape for the interface, a circular shape for the center pad 131 of the interface, and an outer ring metal land 132 on the outer ring of the center pad 131.
As shown in fig. 3B, the multi-channel rf connector has a rectangular shape for the interface, a rectangular shape for the center line pad 131 of the interface, and an outer ring metal ground 132 on the outer ring of the center pad.
Each of fig. 3A and 3B includes an array of metallized vias comprising a plurality of metallized vias 210, the metallized vias 210 being equally spaced between adjacent radio frequency signal channels.
Fig. 4A illustrates a top view of a press-up structure of a multi-channel rf connector according to an embodiment of the invention.
Fig. 4B illustrates a side view of an up-press structure of a multi-channel radio frequency connector according to an embodiment of the present invention.
As shown in fig. 4A and 4B, the center press structure 130 in the upper press structure 110 may include a center pad press structure 310 and a ground press structure 320. Referring to fig. 3A and 3B, a center pad crimping structure 310 may be used to press the center pad 131 of the interface, and a ground crimping structure 320 may be used to press the outer ring metal land 132 of the interface. The ground crimp structure 320 may be an elastic ground crimp ring, which may be a conductive adhesive, an elastic reed, or the like. As shown in fig. 4A and 4B, the upper press structure 110 may further include a fastening screw hole 160 and a positioning pin 410, and the positioning pin 410 is used for positioning the upper press structure and the flat cable structure.
Types of central press structures according to embodiments of the present invention include fixed press screw structures, spring press screw structures, elastomeric press screw structures, and integral spring screw structures.
According to the embodiment of the invention, in the case that the center press structure is a fixed press-fit screw structure, the ground press-fit structure is integrated in the upper press structure, and the center pad press-fit structure is assembled in the upper press structure;
In the case that the center press structure is a spring press-fit screw structure, the ground press-fit structure is integrated in the upper press structure, and the center pad press-fit structure is assembled in the upper press structure;
In the case that the center press structure is an elastic body press-connection structure, the ground press-connection structure is integrated in the upper press structure, and the center pad press-connection structure is assembled in the upper press structure;
In the case of the spring screw structure in which the center press structure is integrated, the center pad press structure and the ground press structure are integrated into an integrated spring screw structure and assembled in the upper press structure.
Fig. 5A shows a block diagram of a center crimp structure as a set crimp screw in accordance with an embodiment of the present invention.
Fig. 5B shows a block diagram of a center crimp structure as a spring crimp screw according to an embodiment of the present invention.
Fig. 5C shows a block diagram of a center crimp structure as an elastomer crimp structure in accordance with an embodiment of the present invention.
As shown in fig. 5A, the fixed crimp screw may include a fixed crimp screw 501 and a tail pin 502, where the tail pin 502 has a relatively thin diameter and may be deformed after being extruded.
As shown in fig. 5B, the spring crimp screw may include a spring crimp screw 503, a spring structure 504, and a movable probe 505, the movable probe 505 being located at the tail of the spring crimp screw structure and being movable up and down as the spring structure 504 expands and contracts.
As shown in fig. 5C, the elastomeric crimp structure may include an elastomer 506, which may be a conventional spring, or other compressible resilient structure.
Fig. 5D shows a block diagram of a spring screw structure in which a central pressing structure is integrated according to an embodiment of the present invention.
As shown in fig. 5D, the center press structure is a center pad press structure and the ground press structure are integrated into an integrated spring screw press structure. The ground press structure may be a ground press ring 1301, the central press structure has a spring structure 504 inside, the tail has a movable probe 505, and the movable probe 505 can move up and down along with the expansion and contraction of the spring structure 504.
According to the embodiment of the invention, the integrated spring screw structure is assembled in the upper pressing structure, so that the center pad pressing structure and the grounding pressing structure can be well abutted in any temperature environment.
According to an embodiment of the present invention, the center press structure may further include a center pad press structure integrated in the upper press structure, and the ground press structure may be an elastic press ring as shown in fig. 4A and 4B of a type in which the ground press structure is assembled in the upper press structure, and such a center press structure may also achieve reliable connection of the center pad press structure and the outer ring metal ground.
According to an embodiment of the present invention, the multi-channel radio frequency connector further includes a positioning pin, where the positioning pin is used for positioning the upper pressing structure, the lower pressing structure and the flat cable structure.
According to the embodiment of the invention, the positioning pin can be arranged on the upper pressing structure, and the upper pressing structure, the lower pressing structure and the wire arrangement structure can be positioned through the positioning pin, so that the accurate alignment in a high-density scene can be ensured.
According to the embodiment of the invention, the multichannel radio frequency connector is different from a radio frequency connector matched with a male-female head in the related technology, a standard interface of the male-female head and a 50 ohm coaxial structure are canceled, the cross section is low, the volume is small, the opposite interfaces of the radio frequency signal channels can be arranged in an arbitrary array, and the miniaturization of the radio frequency connector and a high-density scene with the center-to-center distance of the radio frequency connector smaller than 2mm are realized. In addition, the male-female head is not matched, and damage caused by plugging force during plugging is avoided.
According to the embodiment of the invention, the butt joint is performed in a direct alignment crimping mode, so that welding is avoided, and the manufacturability and maintainability of the multichannel radio frequency connector are improved. The device can also be suitable for different temperature gradients, and each radio frequency signal channel has only one discontinuous contact point at the interface, so that the contact resistance is small, and the heating is low.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Those skilled in the art will appreciate that the features recited in the various embodiments of the invention can be combined in a variety of combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the present invention. In particular, the features recited in the various embodiments of the invention can be combined and/or combined in various ways without departing from the spirit and teachings of the invention. All such combinations and/or combinations fall within the scope of the invention.
The embodiments of the present invention are described above. These examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Although the embodiments are described above separately, this does not mean that the measures in the embodiments cannot be used advantageously in combination. Various alternatives and modifications can be made by those skilled in the art without departing from the scope of the invention, and such alternatives and modifications are intended to fall within the scope of the invention.
Claims (10)
1. A multi-channel radio frequency connector, comprising: an up-press structure, a down-press structure and a center-press structure;
the upper pressing structure and the lower pressing structure are oppositely arranged at two sides of the flat cable structure;
the central pressing structure is assembled in the upper pressing structure and comprises a central pad pressing structure and a grounding pressing structure, wherein,
Each flat cable in the flat cable structure comprises a plurality of radio frequency signal channels, the radio frequency signal channels are used for arranging radio frequency signal transmission lines, and the central pad crimping structure enables the radio frequency signal channels of each flat cable in the flat cable structure to be in contact with each other, so that the radio frequency signal transmission lines of each flat cable in the flat cable structure are electrically connected with each other.
2. The rf connector of claim 1, wherein the rf signal channels of each wire strip are in contact with each other through an interface, wherein the interface is a port of the rf signal channels, the interface comprises a center pad and an outer ring metal ground, the center pad crimping structure is used to compress the center pad of the interface, and the ground crimping structure is used to compress the outer ring metal ground.
3. The radio frequency connector of claim 2, wherein the types of central press structures include fixed press screw structures, spring press screw structures, elastomeric press screw structures, and integral spring screw structures.
4. The RF connector of claim 3, wherein,
In the case that the center press structure is a fixed press-fit screw structure, the ground press-fit structure is integrated in the upper press structure, and the center pad press-fit structure is assembled in the upper press structure;
In the case that the center press structure is a spring press-fit screw structure, the ground press-fit structure is integrated in the upper press structure, and the center pad press-fit structure is assembled in the upper press structure;
In the case that the center press structure is an elastomer press-fit structure, the ground press-fit structure is integrated in the upper press structure, and the center pad press-fit structure is assembled in the upper press structure;
in the case that the center press structure is an integrated spring screw structure, the center pad press structure and the ground press structure are integrated into an integrated spring screw structure and assembled in the upper press structure.
5. The rf connector of claim 1, wherein the flat cable of the flat cable structure comprises three metal film layers and two dielectric substrate layers respectively sandwiched between the three metal film layers.
6. The rf connector of claim 5, wherein the upper and lower metal film layers of the flat cable are metal grounds, and the middle metal film layer of the flat cable is an rf signal transmission layer and is provided with the rf signal channels.
7. The rf connector of claim 6, wherein the adjacent rf signal channels are equally spaced apart with an array of metallized vias.
8. The rf connector of claim 7, wherein each of the rf signal channels includes a metallized blind hole that transfers the rf signal transmission line of the flat cable from the rf signal transmission layer to the lower or upper flat cable layer so as to electrically connect the rf signal transmission line of the flat cable with the rf signal transmission lines of other flat cables in the flat cable structure, wherein the metallized blind hole is a metallized hole of the rf signal transmission layer to the upper or lower flat cable layer, and is disposed at one end of the rf signal channel.
9. The radio frequency connector of claim 1, further comprising locating pins for locating the hold-up structure and the hold-down structure with the flat cable structure.
10. The radio frequency connector of claim 2, wherein the shape of the pair of interfaces includes circular and rectangular.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410851957.0A CN118399150B (en) | 2024-06-28 | 2024-06-28 | Multi-channel radio frequency connector |
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| CN202410851957.0A CN118399150B (en) | 2024-06-28 | 2024-06-28 | Multi-channel radio frequency connector |
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| CN118399150B CN118399150B (en) | 2024-10-11 |
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| CN2742536Y (en) * | 2004-02-27 | 2005-11-23 | 力生机械有限公司 | Row line |
| US20160066425A1 (en) * | 2014-08-29 | 2016-03-03 | Sumitomo Electric Device Innovations, Inc. | Flexible printed circuit (fpc) board |
| CN209029631U (en) * | 2018-12-29 | 2019-06-25 | 遵义市飞宇电子有限公司 | A kind of steady phase radio frequency loads in mixture micro- rectangular electric connector |
| CN212932718U (en) * | 2020-09-27 | 2021-04-09 | 昆山恩电开通信设备有限公司 | Radio frequency signal rapid test crimping device |
| CN113841105A (en) * | 2019-05-20 | 2021-12-24 | 微软技术许可有限责任公司 | Interchangeable housing panel with rechargeable power supply, network connection and memory for use with portable computing device |
| CN116706580A (en) * | 2023-08-03 | 2023-09-05 | 合肥国家实验室 | Multi-channel radio frequency connector based on FPC |
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2024
- 2024-06-28 CN CN202410851957.0A patent/CN118399150B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2742536Y (en) * | 2004-02-27 | 2005-11-23 | 力生机械有限公司 | Row line |
| US20160066425A1 (en) * | 2014-08-29 | 2016-03-03 | Sumitomo Electric Device Innovations, Inc. | Flexible printed circuit (fpc) board |
| CN209029631U (en) * | 2018-12-29 | 2019-06-25 | 遵义市飞宇电子有限公司 | A kind of steady phase radio frequency loads in mixture micro- rectangular electric connector |
| CN113841105A (en) * | 2019-05-20 | 2021-12-24 | 微软技术许可有限责任公司 | Interchangeable housing panel with rechargeable power supply, network connection and memory for use with portable computing device |
| CN212932718U (en) * | 2020-09-27 | 2021-04-09 | 昆山恩电开通信设备有限公司 | Radio frequency signal rapid test crimping device |
| CN116706580A (en) * | 2023-08-03 | 2023-09-05 | 合肥国家实验室 | Multi-channel radio frequency connector based on FPC |
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| CN118399150B (en) | 2024-10-11 |
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