CN115832797A - Booth is apart from coaxial load connecting device of radio frequency - Google Patents
Booth is apart from coaxial load connecting device of radio frequency Download PDFInfo
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- CN115832797A CN115832797A CN202310038835.5A CN202310038835A CN115832797A CN 115832797 A CN115832797 A CN 115832797A CN 202310038835 A CN202310038835 A CN 202310038835A CN 115832797 A CN115832797 A CN 115832797A
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Abstract
The invention discloses a small-spacing radio frequency coaxial load connecting device which comprises a substrate, a connecting assembly and a printed board, wherein the substrate is provided with a plurality of connecting holes; the connection assembly includes an outer shell member and an inner conductor; the substrate is provided with a substrate groove, and the outer shell is connected with the substrate; the printed board is arranged in the groove of the substrate and is connected with the inner conductor. The printed board is used for replacing a rod-shaped resistor (a film resistor replaces the rod-shaped load) in the traditional radio frequency coaxial load, and the printed board contains the film resistor, so that the size of the film resistor is far smaller than that of the rod-shaped resistor, the size limitation of the existing rod-shaped resistor is broken through, and the radio frequency coaxial load integration scheme design with smaller distance is realized.
Description
Technical Field
The invention belongs to the field of radio frequency components and particularly relates to a small-spacing radio frequency coaxial load connecting device.
Background
With the increasing application requirements in the fields of electronics, communications and the like, connectors are developing towards integration and miniaturization, and miniaturized multi-channel connectors are gradually widely applied to mobile communication devices. For the traditional radio frequency coaxial load, due to the limitation of the size of the internal rod-shaped resistor, when the channel distance is smaller than the minimum size of the rod-shaped resistor, the traditional radio frequency coaxial load structure is difficult to meet the design of a miniaturization integration scheme.
Disclosure of Invention
The invention provides a small-spacing radio frequency coaxial load integration scheme, which solves the application problem of the traditional radio frequency coaxial load in the design of a miniaturization integration scheme.
In order to solve the problems in the prior art, the technical scheme adopted by the invention is as follows:
a small-spacing radio frequency coaxial load connecting device comprises a substrate, a connecting assembly and a printed board;
the connection assembly includes an outer shell member and an inner conductor;
the substrate is provided with a substrate groove, and the outer shell is connected with the substrate;
the printed board is arranged in the groove of the substrate and connected with the inner conductor and the outer shell.
A printed board (thin film resistor) is used for replacing a rod-shaped resistor in the traditional radio frequency coaxial load, and the printed board contains the thin film resistor, so that the size of the thin film resistor is far smaller than that of the rod-shaped resistor, the size limitation of the existing rod-shaped resistor is broken through, and the design of a radio frequency coaxial load integration scheme with smaller distance is realized.
A connector feed solution: the connecting assembly is a connector, and the connector comprises a first inner conductor, a first shell, a second shell, a third shell, a fourth shell, a first insulator, a second insulator, a bushing and a first outer conductor probe; the first inner conductor is connected to a first shell and a fourth shell, the first shell is connected to a second shell, and the second shell is connected to a third shell; the first inner conductor is connected with a first insulator, a second insulator and a bushing, the bushing is positioned between the first outer shell and the second outer shell, and the first insulator is arranged between the bushing and the first inner conductor; the second insulator is located between the first inner conductor and the fourth outer shell.
Further, a first outer conductor probe is connected to the fourth housing. The number of the first inner conductors is two, and the number of the first outer conductor probes is 16. The first outer conductor probe tail and the first inner conductor tail may both float.
Furthermore, the connector is provided with a second mounting hole, the substrate is provided with a substrate threaded hole, the second mounting hole corresponds to the substrate threaded hole, and the connector is connected with the substrate through a screw.
Furthermore, the first shell and the second shell are pressed, and the second shell is in threaded connection with the third shell. The second shell and the third shell press the fourth shell, and the fourth shell penetrates through the third shell and forms a first shell boss. The size of the first shell boss is matched with the substrate groove, and the printed board is pressed in the substrate groove by the first shell boss.
Furthermore, a film resistor is arranged in the printed board to realize the effect of absorbing electromagnetic waves by the radio frequency load connector, and the printed board is arranged in a substrate groove in the substrate. The size of the groove of the substrate is consistent with the length and width of the printed board, so that the printed board is accurately positioned on the substrate.
Furthermore, the connector is installed on the top surface of the substrate, and screws are installed in the threaded holes of the substrate and the second installation holes so as to fix the connector and the substrate. The size of the first shell boss is consistent with that of the substrate groove, so that the connector is accurately positioned on the substrate. The connector is installed behind the base plate, the first outer conductor probe afterbody of connector bottom surface and first inner conductor afterbody can contact with the printing board to realize the electric continuity of connector and printing board, first outer conductor probe afterbody and first inner conductor afterbody are higher than the distance that highly is greater than fourth shell bottom surface and printing board top surface of fourth shell bottom surface simultaneously, thereby can be compressed after making outer conductor probe afterbody and first inner conductor afterbody contact printing board, thereby give printing board top surface normal pressure, guarantee the reliable contact of first outer conductor probe and first inner conductor and printing board.
A probe feed solution is provided: the coupling assembling is the probe group, the probe group includes plate body, second inner conductor, second outer conductor probe and hair button, the second inner conductor is equipped with two, the second outer conductor probe is equipped with 13, and second inner conductor sets up with second outer conductor probe is crisscross, the second inner conductor is connected with the hair button.
Furthermore, the plate body is provided with a second mounting hole, the second mounting hole corresponds to the threaded hole of the substrate, and the plate body is connected with the substrate through a screw. The middle part of the plate body protrudes to form a second shell boss. The size of the second shell boss is matched with the substrate groove, and the printed board is pressed in the substrate groove by the second shell boss. The printed board is internally provided with a film resistor to realize the effect of absorbing electromagnetic waves by the radio frequency load, and is arranged in the substrate groove of the substrate. The size of the groove of the substrate is consistent with the length and width of the printed board, so that the printed board is accurately positioned on the substrate.
Furthermore, the plate body is made of plastic, and screws are arranged in the threaded holes of the base plate and the second mounting holes of the plate body, so that the plate body and the base plate are fixed. The size of the second shell boss is consistent with that of the base plate groove, so that the plate body is accurately positioned on the base plate. The plate body is installed behind the base plate, the second outer conductor probe and the second hair button of plate body bottom can contact with the printing board to realize the second inner conductor, the second outer conductor probe is continuous with the electricity of printing board, and simultaneously, the distance that second outer conductor probe afterbody and hair button afterbody are higher than the plate body bottom surface is greater than the distance of plate body bottom surface and printing board top surface, thereby can be compressed after making second outer conductor probe afterbody and hair button afterbody contact printing board, thereby give a normal pressure of printing board top surface, guarantee the reliable contact of second outer conductor probe and hair button and printing board.
The invention has the following beneficial effects:
the invention changes the rod-shaped resistor in the traditional radio frequency coaxial load into a printed board film resistor structure, thereby breaking through the size limitation of the rod-shaped resistor structure and realizing the small-interval integration scheme design of the radio frequency coaxial load.
According to the feeding scheme of the standard connector, the factor for limiting the distance between the feeding ports is the size of the standard connector, and if the currently mature minimum-size connector, namely the SMP3 connector, is used as the feeding port, the distance between the feeding ports of 2.4mm can be realized.
According to the probe feed port scheme, the size of the second outer conductor probe, the size of the second inner conductor and the size of the fuzz button are smaller than the size of the SMP3 connector, so that the radio frequency coaxial load integration scheme design with smaller distance can be realized.
Drawings
FIG. 1 is an exploded view of example 1 of the present invention.
Fig. 2 is a schematic view of the internal structure of embodiment 2 of the present invention.
FIG. 3 is a schematic structural diagram of embodiment 2 of the present invention.
FIG. 4 is a schematic structural diagram of a substrate according to the present invention.
FIG. 5 is an exploded view of example 3 of the present invention.
FIG. 6 is a schematic view of the internal structure of embodiment 3 of the present invention.
FIG. 7 is a schematic structural diagram of example 3 of the present invention.
1-a connector; 11-a first inner conductor; 12-a first housing; 13-a first insulator; 14-a bushing; 15-a second housing; 16-a third housing; 17-a first outer conductor probe; 18-a second insulator; 19-a fourth housing; 110-a first housing boss; 111-a first mounting hole; 2-a substrate; 21-substrate grooves; 22-threaded holes in the substrate; 3-a printed board; 4-a set of probes; 41-plate body; 42-a second housing boss; 43-a second mounting hole; 91-a second inner conductor; 92-a second outer conductor probe; 93-fuzzy button.
Detailed Description
The invention will be further elucidated with reference to the drawings and reference numerals.
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example 1:
as shown in fig. 1, a small-pitch radio frequency coaxial load connection device comprises a substrate 2, a connection assembly and a printed board 3;
the connection assembly includes an outer shell member and an inner conductor;
the substrate 2 is provided with a substrate groove 21, and the outer shell is connected with the substrate 2;
the printed board 3 is arranged in the substrate groove 21, and the printed board 3 is connected with the inner conductor and the outer conductor.
The thin film resistor in the printed board 3 is used for replacing a rod-shaped resistor in the traditional radio frequency coaxial load, and the printed board 3 contains the thin film resistor, so that the size of the thin film resistor is far smaller than that of the rod-shaped resistor, the size limitation of the existing rod-shaped resistor is broken through, and the design of a radio frequency coaxial load integration scheme with smaller distance is realized.
Example 2:
on the basis of embodiment 1, as shown in fig. 2-4, is a connector feed scheme:
the connecting assembly is a connector 1, and the connector 1 comprises a first inner conductor 11, a first outer shell 12, a second outer shell 15, a third outer shell 16, a fourth outer shell 19, a first insulator 13, a second insulator 18, a bushing 14 and a first outer conductor probe 17;
the first inner conductor 11 is connected to a first housing 12 and a fourth housing 19, the first housing 12 is connected to a second housing 15, the second housing 15 is connected to a third housing 16, and the third housing 16 is provided with a first mounting hole 111.
A first insulator 13, a second insulator 18 and a bushing 14 are connected to the first inner conductor 11, the bushing 14 is positioned between the first outer shell 12 and the second outer shell 15, and the first insulator 13 is positioned between the bushing 14 and the first inner conductor 11; the second insulator 18 is located between the first inner conductor 11 and the fourth outer shell 19.
The fourth housing 19 is connected to a first outer conductor probe 17.
The number of the first inner conductors 11 is two, and the number of the first outer conductor probes 17 is 16 (specifically defined according to an actual measured object).
The first outer conductor probe 17 tail and the first inner conductor 11 tail may both float.
The connector 1 is provided with a first mounting hole 111, the substrate 2 is provided with a substrate threaded hole 22, the first mounting hole 111 corresponds to the substrate threaded hole 22, and the connector 1 is connected with the substrate 2 through a screw.
The first shell 12 is pressed with the second shell 15, and the second shell 15 is connected with the third shell 16 by screw thread.
The second housing 15 and the third housing 16 press the fourth housing 19, and the fourth housing 19 passes through the third housing 16 and forms a first housing boss 110.
The size of first housing boss 110 is matched with substrate groove 21, and printed board 3 is pressed in substrate groove 21 by first housing boss 110.
The printed board 3 is internally provided with a film resistor to realize the effect of absorbing electromagnetic waves by the radio frequency load connector 1, and the printed board 3 is arranged in a substrate groove 21 in the substrate 2. The size of the substrate groove 21 is consistent with the length and width of the printed board 3, so that the printed board 3 is accurately positioned on the substrate 2.
The connector 1 is mounted on the top surface of the substrate 2, and the screw holes 22 and the first mounting holes 111 are provided with screws to fix the connector 1 and the substrate 2. The first housing boss 110 is sized to conform to the size of the substrate recess 21 to achieve accurate positioning of the connector 1 on the substrate 2. Connector 1 installs in base plate 2 back, and the first outer conductor probe 17 afterbody of connector 1 bottom surface and the 11 afterbody of first inner conductor can contact with printing board 3 to realize the electricity of connector 1 and printing board 3 in succession, and the height that the first outer conductor probe 17 afterbody and the 11 afterbody of first inner conductor are higher than fourth shell 19 bottom surface is greater than the distance of the 19 bottom surface of fourth shell and printing board 3 top surface simultaneously, thereby can be compressed after making outer conductor probe afterbody and the 11 afterbody contact printing board 3 of first inner conductor, thereby give printing board 3 top surface normal pressure, guarantee the reliable contact of first outer conductor probe 17 and first inner conductor 11 and printing board 3.
According to the feeding scheme of the standard connector, the factor for limiting the distance between the feeding ports is the size of the standard connector, and if the currently mature minimum-size connector, namely the SMP3 connector, is used as the feeding port, the distance between the feeding ports of 2.4mm can be realized.
Example 3:
on the basis of example 1, as shown in fig. 5 to 7, there is provided a probe feed scheme:
the connecting assembly is a probe set 4, the probe set 4 comprises a plate body 41, a second inner conductor 91, a second outer conductor probe 92 and a fuzz button 93, the number of the second inner conductors 91 is two, the number of the second outer conductor probes 92 is 13, and the second outer conductor probes 92 are connected with the fuzz button 93.
The plate body 41 is provided with a second mounting hole 43, the second mounting hole 43 corresponds to the substrate threaded hole 22, and the plate body 41 and the substrate 2 are connected by screws.
The middle of the plate body 41 is protruded to form a second housing boss 42.
The size of second housing projection 42 is matched with substrate groove 21, and second housing projection 42 presses printed board 3 into substrate groove 21.
A film resistor is arranged in the printed board 3 to realize the effect of absorbing electromagnetic waves by the radio frequency load, and the printed board 3 is arranged in the substrate groove 21 of the substrate 2. The size of the substrate groove 21 is consistent with the length and width of the printed board 3, so that the printed board 3 is accurately positioned on the substrate 2.
The plate body 41 is made of plastic, and the screw holes 22 of the base plate and the second mounting holes 43 of the plate body 41 are provided with screws, so that the plate body 41 and the base plate 2 can be fixed. The second housing projection 42 has a size corresponding to the size of the substrate recess 21, so that the plate body 41 is accurately positioned on the substrate 2. After the board body 41 is installed on the substrate 2, the second outer conductor probe 92 and the fuzz button 93 at the bottom of the board body 41 can be in contact with the printed board 3, so that the electrical continuity of the second inner conductor 91, the second outer conductor probe 92 and the printed board 3 is realized, and meanwhile, the distance that the tail of the second outer conductor probe 92 and the fuzz button 93 are higher than the bottom surface of the shell is larger than the distance between the bottom surface of the board body 41 and the top surface of the printed board 3, so that the tail of the second outer conductor probe 92 and the fuzz button 93 can be compressed after contacting the printed board 3, a normal pressure is applied to the top surface of the printed board 3, and the reliable contact between the second outer conductor probe 92 and the fuzz button 93 and the printed board 3 is guaranteed.
According to the probe feed port scheme, the size of the second outer conductor probe, the size of the second inner conductor and the size of the fuzz button are smaller than the size of the SMP3 connector, so that the radio frequency coaxial load integration scheme design with smaller distance can be realized.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. The utility model provides a close apart from coaxial load connecting device of radio frequency which characterized in that: the device comprises a substrate (2), a connecting component and a printed board (3);
the connection assembly includes an outer shell member and an inner conductor;
the base plate (2) is provided with a base plate groove (21), and the outer shell is connected with the base plate (2);
the printed board (3) is arranged in the substrate groove (21), and the printed board (3) is connected with the inner conductor.
2. The small-pitch radio frequency coaxial load connection device of claim 1, wherein: the connecting assembly is a connector (1), and the connector (1) comprises a first inner conductor (11), a first outer shell (12), a second outer shell (15), a third outer shell (16), a fourth outer shell (19), a first insulator (13), a second insulator (18), a bushing (14) and a first outer conductor probe (17);
the first inner conductor (11) is connected to a first outer shell (12) and a fourth outer shell (19), the first outer shell (12) is connected to a second outer shell (15), and the second outer shell (15) is connected to a third outer shell (16);
the first inner conductor (11) is connected with a first insulator (13), a second insulator (18) and a bushing (14), the bushing (14) is positioned between the first outer shell (12) and the second outer shell (15), and the first insulator (13) is arranged between the bushing (14) and the first inner conductor (11); the second insulator (18) is located between the first inner conductor (11) and the fourth outer shell (19).
3. The small-pitch radio frequency coaxial load connection device of claim 2, wherein: the fourth shell (19) is connected with a first outer conductor probe (17), the number of the first inner conductors (11) is two, and the number of the first outer conductor probes (17) is 16.
4. The small-pitch radio frequency coaxial load connection device of claim 2, wherein: the connector (1) is provided with a first mounting hole (111), the substrate (2) is provided with a substrate threaded hole (22), the first mounting hole (111) corresponds to the substrate threaded hole (22), and the connector (1) is connected with the substrate (2) through a screw.
5. The small-pitch radio frequency coaxial load connection device of claim 2, wherein: the first shell (12) and the second shell (15) are pressed, and the second shell (15) and the third shell (16) are in threaded connection;
the second shell (15) and the third shell (16) tightly press a fourth shell (19), and the fourth shell (19) penetrates through the third shell (16) and forms a first shell boss (110);
the size of the first shell boss (110) is matched with that of the substrate groove (21), and the printed board (3) is pressed in the substrate groove (21) by the first shell boss (110).
6. The small-pitch radio frequency coaxial load connection device of claim 1, wherein: the printed board (3) is internally provided with a film resistor.
7. The small-pitch radio frequency coaxial load connection device of claim 1, wherein: the coupling assembling is probe group (4), probe group (4) are including plate body (4), second inner conductor (91), second outer conductor probe (92) and capillary button (93), second inner conductor (91) are equipped with two, second outer conductor probe (92) are equipped with 13, and second outer conductor probe (92) are connected with capillary button (93).
8. The small-pitch radio frequency coaxial load connection device of claim 7, wherein: the plate body (4) is provided with a second mounting hole (43), the second mounting hole (43) corresponds to the base plate threaded hole (22), the plate body (4) is connected with the base plate (2) through a screw, and a second shell boss (42) is formed in the middle of the plate body (4) in a protruding mode.
9. The small-pitch radio frequency coaxial load connection device of claim 8, wherein: the size of the second shell boss (42) is matched with that of the substrate groove (21), and the printed board (3) is pressed in the substrate groove (21) through the second shell boss (42).
10. The small-pitch radio frequency coaxial load connection device of claim 7, wherein: the plate body (4) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038835.5A CN115832797A (en) | 2023-01-13 | 2023-01-13 | Booth is apart from coaxial load connecting device of radio frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310038835.5A CN115832797A (en) | 2023-01-13 | 2023-01-13 | Booth is apart from coaxial load connecting device of radio frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115832797A true CN115832797A (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310038835.5A Pending CN115832797A (en) | 2023-01-13 | 2023-01-13 | Booth is apart from coaxial load connecting device of radio frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115832797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607663A (en) * | 2024-01-18 | 2024-02-27 | 宁波吉品科技有限公司 | Built-in probe load test platform |
-
2023
- 2023-01-13 CN CN202310038835.5A patent/CN115832797A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117607663A (en) * | 2024-01-18 | 2024-02-27 | 宁波吉品科技有限公司 | Built-in probe load test platform |
| CN117607663B (en) * | 2024-01-18 | 2024-04-19 | 宁波吉品科技有限公司 | Built-in probe load test platform |
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