CN212908015U - Central conductor - Google Patents
Central conductor Download PDFInfo
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- CN212908015U CN212908015U CN202021924514.3U CN202021924514U CN212908015U CN 212908015 U CN212908015 U CN 212908015U CN 202021924514 U CN202021924514 U CN 202021924514U CN 212908015 U CN212908015 U CN 212908015U
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Abstract
The utility model discloses a central conductor, which comprises a conductor, wherein three rectangular concave-formed concave cavities are uniformly arranged on the conductor, and a first pin, a second pin and a third pin are arranged on the three concave cavities; the first pin and the second pin are in mirror symmetry; first pin is connected with first fan-shaped linkage segment including setting up the first linkage segment in an indent cavity on the first linkage segment, is connected with first irregular linkage segment on the first fan-shaped linkage segment, is connected with the first linkage segment of horizontally on the first irregular linkage segment, is connected with the first section of extending of horizontally on the first linkage segment, the width of first section of extending is less than first linkage segment. The utility model discloses a central conductor passes through the pin size control output frequency of the size of cavity and three pin in the guide vane, and the accuracy is very high, is applicable to the part that requires strictly to the frequency range, can realize the control to signal orientation and transmission distance, and the practicality is very strong, is fit for promoting.
Description
Technical Field
The utility model relates to a mobile communication field particularly, relates to a center conductor.
Background
In the field of industrial production and base station communication, an isolator is a device which is inevitably used, and the isolator adopts a linear optical coupling isolation principle to convert and output an input signal. The input, the output and the working power supply are mutually isolated, and the power supply is particularly suitable for being matched with an equipment instrument needing electric isolation.
Isolators, also known as signal isolators, are important components of industrial control systems. However, the control range of the currently used isolator for the output frequency is often too large to meet the application requirements.
SUMMERY OF THE UTILITY MODEL
The primary object of the present invention is to provide a center conductor that can solve at least one of the above-mentioned technical drawbacks, especially the technical drawback of the conventional isolator that the output frequency range is too large.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a center conductor, comprising: the lead frame comprises a conductor, wherein three rectangular concave cavities formed by concave are uniformly arranged on the conductor, and a first pin, a second pin and a third pin are arranged on each of the three concave cavities; the first pin and the second pin are in mirror symmetry; the first pin comprises a first extension section arranged in an inwards concave cavity, the first extension section is connected with a first fan-shaped connection section, the first fan-shaped connection section is connected with a first irregular connection section, the first irregular connection section is connected with a horizontal first connection section, the first connection section is connected with a horizontal first extension section, and the width of the first extension section is smaller than that of the first connection section; the second pin comprises a second extending section arranged in the concave cavity, the second extending section is connected with a second fan-shaped connecting section, the second fan-shaped connecting section is connected with a second irregular connecting section, the second irregular connecting section is connected with a horizontal second connecting section, the second connecting section is connected with a horizontal second external extending section, and the width of the second external extending section is smaller than that of the second connecting section; the third pin is connected with a third fan-shaped connecting section including a third extending section arranged in an inner concave cavity, the third extending section is connected with a third trapezoid connecting section, and the third trapezoid connecting section is connected with a vertical third extending section.
According to the optimized scheme, the conductor is circular, and the diameter of the conductor is 12.8 mm; the width of the first extension section and the second extension section is 1.31mm-2 mm; the width of the third extension section is 1.58 mm; the distance from the end part of the inner side of the concave cavity to the circle center of the conductor is 5.2 mm.
According to the optimized scheme, the lower ends of the first fan-shaped connecting section and the second fan-shaped connecting section are on the same circle, and the diameter of the circle is 17.6 mm; the lower end of the third fan-shaped connecting section is arranged on a circle, and the diameter of the circle is 17.4 mm; the upper ends of the first fan-shaped connecting section, the second fan-shaped connecting section and the third fan-shaped connecting section are on the same circle, and the diameter of the circle is 19 mm; the two side surfaces of the first fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 2mm-5.6 mm; the two side surfaces of the second fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 2mm-5.6 mm; the two side surfaces of the third fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 4.4 mm.
According to the optimized scheme, the width of the first connecting section is 2mm-2.9mm, the width of the second connecting section is 2mm-2.9mm, and the distance between the outer side end of the first connecting section and the outer side end of the second connecting section is 25.4 mm; the distance from the outer end of the third trapezoidal connecting section to the center of the conductor is 12.7 mm.
According to the optimized scheme, the width of the first extension section is 1.2mm-3mm, the width of the second extension section is 1.2mm-3mm, and the distance between the outer side end of the first extension section and the outer side end of the second extension section is 36.26 mm; the vertical distance from the horizontal middle line of the first epitaxial section to the center of the conductor is 5.1 mm; the length of the third extension section is 1mm, the width of the third extension section is 1.2mm, and the vertical distance from the outer end of the third extension section to the center of the conductor is 13.7 mm.
In an optimized scheme, a first pin and a second pin of the central conductor are used for connecting a power supply, and a third pin is used for deriving a frequency.
In an optimized scheme, the derivation frequency range of the central conductor is 2350MHz-2370 MHz.
In an optimized scheme, the central conductor is made of copper, and the surface of the central conductor comprises a silver plating layer.
Owing to adopted above-mentioned technique, compare with prior art, the beneficial effects of the utility model are that:
the utility model discloses a central conductor is through the pin size control output frequency of the size of cavity and three pin in the guide vane, and it is 2350MHz-2370MHz to derive the frequency range, and the accuracy is very high, is applicable to the part that requires strictly to the frequency range, and this central conductor can realize the control to signal orientation and transmission distance, and the practicality is very strong, is fit for promoting.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1, a center conductor includes: contain conductor 7, evenly be provided with the indent cavity 6, 8, 18 that three rectangle indent formed on conductor 7, all be provided with first pin, second pin and third pin on three indent cavity 6, 8, 18. The first pin and the second pin are mirror images.
First pin is connected with first fan-shaped linkage segment 4 including setting up the first linkage segment 5 in an indent cavity 6 on the first linkage segment 5, is connected with first irregular linkage segment 3 on the first fan-shaped linkage segment 4, is connected with horizontally first linkage segment 2 on the first irregular linkage segment 3, is connected with horizontally first extension section 1 on the first linkage segment 2, the width of first extension section 1 is less than first linkage segment 2.
The second pin is including setting up the second extension segment 10 in a indent cavity 8, is connected with second fan-shaped linkage segment 9 on the second extension segment 10, is connected with the irregular linkage segment 11 of second on the fan-shaped linkage segment 9 of second, is connected with horizontally second linkage segment 12 on the irregular linkage segment 11 of second, is connected with horizontally second extension segment 13 on the second linkage segment 12, the width of second extension segment 13 is less than second linkage segment 12.
The third pin comprises a third extending section 17 arranged in an inwards concave cavity 18, the third extending section 17 is connected with a third fan-shaped connecting section 16, the third fan-shaped connecting section 16 is connected with a third trapezoid connecting section 15, and the third trapezoid connecting section 15 is connected with a vertical third extending section 14.
The specific dimensions of the center conductor in this embodiment are as follows:
the conductor is circular, and the diameter of conductor is 12.8 mm. The width of the first extension section and the second extension section is 1.31mm-2 mm; the width of the third extension section is 1.58 mm; the distance from the end part of the inner side of the concave cavity to the circle center of the conductor is 5.2 mm.
The lower ends of the first fan-shaped connecting section and the second fan-shaped connecting section are on the same circle, and the diameter of the circle is 17.6 mm; the lower end of the third fan-shaped connecting section is arranged on a circle, and the diameter of the circle is 17.4 mm; the upper ends of the first fan-shaped connecting section, the second fan-shaped connecting section and the third fan-shaped connecting section are on the same circle, and the diameter of the circle is 19 mm; the two side surfaces of the first fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 2mm-5.6 mm; the two side surfaces of the second fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 2mm-5.6 mm; the two side surfaces of the third fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 4.4 mm.
The width of the first connecting section is 2mm-2.9mm, the width of the second connecting section is 2mm-2.9mm, and the distance between the outer side end of the first connecting section and the outer side end of the second connecting section is 25.4 mm; the distance from the outer end of the third trapezoidal connecting section to the center of the conductor is 12.7 mm.
The width of the first extension section is 1.2mm-3mm, the width of the second extension section is 1.2mm-3mm, and the distance between the outer side end of the first extension section and the outer side end of the second extension section is 36.26 mm; the vertical distance from the horizontal middle line of the first epitaxial section to the center of the conductor is 5.1 mm; the length of the third extension section is 1mm, the width of the third extension section is 1.2mm, and the vertical distance from the outer end of the third extension section to the center of the conductor is 13.7 mm.
In an optimized scheme, a first pin and a second pin of the central conductor are used for connecting a power supply, and a third pin is used for deriving a frequency. The central conductor is made of copper, and the surface of the central conductor comprises a silver plating layer.
The operation of the center conductor is: the leading-out frequency range of the central conductor is 2350MHz-2370 MHz.
The utility model discloses a central conductor is through the pin size control output frequency of the size of cavity and three pin in the guide vane, and it is 2350MHz-2370MHz to derive the frequency range, and the accuracy is very high, is applicable to the part that requires strictly to the frequency range, and this central conductor can realize the control to signal orientation and transmission distance, and the practicality is very strong, is fit for promoting.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A center conductor, comprising: the lead frame comprises a conductor, wherein three rectangular concave cavities formed by concave are uniformly arranged on the conductor, and a first pin, a second pin and a third pin are arranged on each of the three concave cavities; the first pin and the second pin are in mirror symmetry;
the first pin comprises a first extension section arranged in an inwards concave cavity, the first extension section is connected with a first fan-shaped connection section, the first fan-shaped connection section is connected with a first irregular connection section, the first irregular connection section is connected with a horizontal first connection section, the first connection section is connected with a horizontal first extension section, and the width of the first extension section is smaller than that of the first connection section;
the second pin comprises a second extending section arranged in the concave cavity, the second extending section is connected with a second fan-shaped connecting section, the second fan-shaped connecting section is connected with a second irregular connecting section, the second irregular connecting section is connected with a horizontal second connecting section, the second connecting section is connected with a horizontal second external extending section, and the width of the second external extending section is smaller than that of the second connecting section;
the third pin is connected with a third fan-shaped connecting section including a third extending section arranged in an inner concave cavity, the third extending section is connected with a third trapezoid connecting section, and the third trapezoid connecting section is connected with a vertical third extending section.
2. The center conductor of claim 1, wherein the conductor is circular and has a diameter of 12.8 mm; the width of the first extension section and the second extension section is 1.31mm-2 mm; the width of the third extension section is 1.58 mm; the distance from the end part of the inner side of the concave cavity to the circle center of the conductor is 5.2 mm.
3. The center conductor according to claim 2, wherein the lower ends of the first segment connecting section and the second segment connecting section are on the same circle, and the diameter of the circle is 17.6 mm; the lower end of the third fan-shaped connecting section is arranged on a circle, and the diameter of the circle is 17.4 mm; the upper ends of the first fan-shaped connecting section, the second fan-shaped connecting section and the third fan-shaped connecting section are on the same circle, and the diameter of the circle is 19 mm; the two side surfaces of the first fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 2mm-5.6 mm; the two side surfaces of the second fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 2mm-5.6 mm; the two side surfaces of the third fan-shaped connecting section are designed in parallel, and the distance between the two side surfaces is 4.4 mm.
4. The center conductor of claim 3, wherein the width of the first connection section is 2mm-2.9mm, the width of the second connection section is 2mm-2.9mm, and the distance between the outer end of the first connection section and the outer end of the second connection section is 25.4 mm; the distance from the outer end of the third trapezoidal connecting section to the center of the conductor is 12.7 mm.
5. The center conductor of claim 4, wherein the first epitaxial segment has a width of 1.2mm-3mm, the second epitaxial segment has a width of 1.2mm-3mm, and the distance between the outboard end of the first epitaxial segment and the outboard end of the second epitaxial segment is 36.26 mm; the vertical distance from the horizontal middle line of the first epitaxial section to the center of the conductor is 5.1 mm; the length of the third extension section is 1mm, the width of the third extension section is 1.2mm, and the vertical distance from the outer end of the third extension section to the center of the conductor is 13.7 mm.
6. The center conductor of claim 5, wherein the first pin and the second pin of the center conductor are used for connecting a power supply, and the third pin is used for deriving a frequency.
7. The center conductor of claim 1, wherein the center conductor has a derived frequency in the range of 1500MHz-1900 MHz.
8. The center conductor of claim 1, wherein the center conductor is made of copper and the surface of the center conductor comprises silver plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021924514.3U CN212908015U (en) | 2020-09-07 | 2020-09-07 | Central conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021924514.3U CN212908015U (en) | 2020-09-07 | 2020-09-07 | Central conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212908015U true CN212908015U (en) | 2021-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021924514.3U Active CN212908015U (en) | 2020-09-07 | 2020-09-07 | Central conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212908015U (en) |
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2020
- 2020-09-07 CN CN202021924514.3U patent/CN212908015U/en active Active
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