WO2018214544A1 - 3db bridge provided with second slot - Google Patents

Abstract

Disclosed is a 3dB bridge provided with a second slot, comprising a first combined sheet and a second combined sheet, wherein the first combined sheet comprises a first sub-sheet, a second sub-sheet and a third sub-sheet having the same size and in the shape of a hexagon; and the second combined sheet comprises a hexagon-shaped first coupling sheet, and the first coupling sheet has the same size as the first sub-sheet; and further comprising a rectangular isolating sheet, wherein the isolating sheet is connected to the first coupling sheet via a connecting arm. The designed frequencies include 2700 Mhz of LTE, which can be obtained by means of computer simulation, and a better coupling effect can be realized by the bridge within the frequency range from 0.6 Ghz to 3.0 Ghz.

Description

 Instruction Manual Name: 3dB bridge of the second slot

 Technical field

 The present invention relates to a 3dB bridge provided with a second slot.

 Background technique

 [0002] The 3dB bridge is an electrical device that couples two signals with the same frequency into one signal output. The wide frequency band 3DB bridge has always been the direction of the power divider class. It is urgent to realize the broadband 3dB bridge. Needed, especially in the new standard LTE in the communications industry, LTE

 The standard required frequency band is 2570MHz-2620MHz, covering the standard combiner and 3dB bridge.

technical problem

 Problem solution

 Technical solution

 [0003] It is an object of the present invention to overcome the above-discussed shortcomings and to provide a 3dB bridge provided with a second slot.

 [0004] In order to achieve the above object, a specific embodiment of the present invention is as follows: A 3dB bridge provided with a second slot, including a first combined piece and a second combined piece;

 [0005] The first composite sheet includes the first sub-piece, the second sub-slice, and the third sub-slice having the same size, and the first sub-slice to the third sub-slice are centered on the same plane. Set from the annular array; the first sub-slice, the second sub-slice, and the third sub-segment define their edges from the leftmost side as the first side, and the second side to the second side to the second side a first side of the first sub-sheet and a second side of the second sub-piece are connected by a first conductive arm of a circular arc shape, the fourth side of the first sub-sheet and the third side of the third sub-piece pass the circle An arc-shaped second conductive arm is connected; the first conductive arm extends outwardly from the first input end rod, and the second conductive arm extends outwardly from the first output end rod;

[0006] The second composite sheet includes a first coupling piece having a hexagonal shape, the first coupling piece is the same size as the first partial piece; and further includes a rectangular spacer piece, and the spacer piece passes between the first coupling piece and the first coupling piece The connecting arms are connected; the separating piece and the connecting arm extend perpendicularly out of the vertical arm, and the second piece and the third piece extend from both sides of the vertical arm, and the second piece and the third piece are the same size, the same plane, and both are Hexagon; the outer side of the second piece Extending out of the second input end rod, the outer side of the third piece extends outwardly out of the second output end rod;

 [0007] The first composite sheet and the second composite sheet are combined, and the vertical arm is located in a gap between the second sub-sheet and the third sub-sheet, and the second sub-piece is sandwiched between the spacer and the first Between the secondary sheets, the third sub-sheet is sandwiched between the spacer and the third sub-sheet; the first sub-sheet and the first coupling sheet are disposed in parallel and the first coupling sheet is vertically projected to coincide with the first sub-sheet.

 [0008] wherein the second side of the second sub-sheet and the third side of the second side are provided with a hexagonal first coupling notch [0009], wherein the second side of the third sub-piece and the third a hexagonal second coupling gap is formed in the corner of the three sides

[0010] wherein the first coupling piece is provided with a first notch near the two side regions.

 [0011] wherein, the top corner regions of the second sub-sheet and the third sub-sheet are each provided with a circular isolation hole.

 [0012] wherein the spacer is provided with a plurality of second slots disposed at equal intervals.

 [0013] wherein, the second sub-sheet and the spacer and the second sub-sheet are provided with an insulating top pillar.

 [0014] wherein, the third sub-sheet and the spacer and the third sub-piece are provided with an insulating top pillar.

 Advantageous effects of the invention

 Beneficial effect

 [0015] The design frequency includes 2700Mhz of LTE, which can be obtained by computer simulation. The bridge can achieve better coupling effect in the frequency range of 0.6 Ghz to 3.0 Ghz.

 Brief description of the drawing

 DRAWINGS

 1 is a perspective view of a 3dB bridge of the present invention;

2 is a plan view of a 3dB bridge of the present invention; [0017] FIG.

3 is a bottom view of the 3dB bridge of the present invention; [0018] FIG.

4 is a plan view of a first composite sheet of the present invention;

Figure 5 is a plan view of a second composite sheet of the present invention;

Figure 6 is a side view of the present invention;

 [0022] FIG. 7 is a perspective view of the assembly 吋 between the first composite sheet and the second composite sheet;

[0023] FIG. 8 is another perspective view of the assembly of the crucible between the first composite sheet and the second composite sheet; 9 is a simulation diagram of the present invention;

[0025] The reference numerals in FIGS. 1 to 9 illustrate:

 [0026] al-first sub-slice; al l-first input end rod; al2-first output end rod; a2-second sub-piece; a3-third sub-piece; a4-first conductive arm; Second conductive arm; a6-first coupling gap; a7-second coupling gap;

[0027] bl-first coupling piece; bl l-circular isolation hole; bl2-first notch; b2-second piece; b3-third piece; b4-second input rod; b5- Two output rods; b6-connecting arm; b7-isolator; b71-second notch; b8-vertical arm.

Embodiments of the invention

 The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, which are not intended to limit the scope of the invention.

[0029] As shown in FIG. 1 to FIG. 9, a 3dB bridge provided with a second slot according to this embodiment includes a first combined piece and a second combined piece; the first combined piece includes a size. The same first hexagonal piece a1, the second partial piece a2, and the third partial piece a3; the first partial piece a1 to the third partial piece a3 are arranged in an equidistant annular array with the center point on the same plane; The first sub-slice a1, the second sub-slice a2, and the third sub-slice a3 define their edges as the first side from the leftmost side, and the second side to the sixth side in the order of the 吋 吋The first side of the first sub-slice a1 and the second side of the second sub-slice a2 are connected by the arc-shaped first conductive arm a4, the fourth side of the first sub-piece a1 and the third side of the third sub-piece a3 The second conductive arm a5 is connected to the second conductive arm a5; the first conductive arm a4 extends outwardly from the first input end rod a1, and the second conductive arm a5 extends outwardly from the back of the bow An output end rod a2; the second composite sheet includes a first coupling piece bl having a hexagonal shape, the first coupling piece b1 is the same size as the first sub-piece a1; and further comprises a rectangular spacer b7 The spacer b7 and the first coupling piece b1 are connected by a connecting arm b6; the spacer b7 and the connecting arm b6 extend perpendicularly with a vertical arm b8, and the vertical arm b8 extends with a second piece b2 and a third piece B3, the second piece b2 and the third piece b3 are the same size, the same plane, and are hexagonal; the outer side of the second piece b2 extends outwardly from the second input end b4, the third piece b3 The outer side edge extends outwardly from the second output end rod b5; the first combination piece is combined with the second combination piece, and the vertical arm b8 is located between the second sub-piece a2 and the third sub-piece a3 In the gap, the second sub-sheet a2 is sandwiched between the spacer b7 and the second sub-sheet b2, and the third sub-sheet a3 is sandwiched between the spacer b7 and the third sub-sheet b3; The first coupling piece bl is disposed in parallel and the first coupling piece bl is vertically projected and first The sub-slices a coincide. Wherein, the second sub-sheet a2 is provided with an insulating top pillar between the spacer b7 and the second sub-sheet b2. Wherein, the third sub-sheet a3 is provided with an insulating top pillar between the spacer b7 and the third sub-sheet b3.

[0030] combining 吋, maintaining a spacing between the first composite sheet and the second composite sheet, the first composite sheet and the second composite sheet each adopting a conductor having a dielectric constant of about 2.4; the design frequency includes LTE 2700 Mhz, by a computer Simulation can be obtained. The bridge can achieve better coupling effect in the frequency range of 0.6Ghz to 3.0Ghz. As shown in Figure 8, the coupling value is about 3dB in the above required frequency band, which fully meets the design requirements. Isolation at 30+3

 About dB, in addition, it is worth mentioning that its port standing wave ratio is less than 1.25 in the frequency band. The thickness of the first coupling piece bl of the first composite piece and the second combined piece is maintained at about 3.5-4 mm, and the current carrying capacity of the bridge is up to 350W. In order to achieve the optimal coupling effect, the specific size can be optimized as follows: the first sub-slice a1, the second sub-slice a2, and the third sub-slice a3 are all regular hexagons, their side length is 65 mm, and the second conductive arm a5 The first conductive arm a4 is the same size as the first conductive arm a4, and the center of the arc is coincident with the first sub-sheet a1, the second sub-a2, and the third sub-a3; the line width of the first conductive arm a4 is: 8 mm; The end rod a1 and the first output end rod a2 have the same size, the length is: 65 mm, and the line width is 8 mm; the first coupling piece bl is the same as the first sub-piece a1; the thickness of the spacer b7 and the connecting arm b6 is the first The coupling piece bl is the same, the length and width of the spacer b7 are: 126 mm, 36 mm; the width of the connecting arm b6 is 37 mm, the length is: 47 mm; the thickness of the vertical arm b8 is 4 m, the height is 18 mm, the second piece B2 and the third piece b3 are regular hexagons, each side length is: 39 mm; the second input end rod b4 and the second output end rod b5 are the same size, the thickness is 3 mm, the line width is 4 mm, and the length is: 95 mm; The distance between the two sub-pieces a2 and the spacer b7 is 4 mm; the first coupling gap a6 and the The coupling notches a7 are all regular hexagons, the side length is: 15mm, the distance between the side and the second side and the third side of the corresponding second sub-piece a2 is 6mm; the width and length of the first notch bl2 are: 6mm and 54mm, the radius of the arc is not required, the distance from the corresponding side is: 14mm; the diameter of the circular isolation hole M l is: 8mm; the length and width of the second notch b71 are: 28mm and 4mm, radius of the arc No requirement; the distance between two adjacent second slots b71 is: 10 mm.

[0031] In this embodiment, in the embodiment, the second and third sides of the third sub-sheet a3 are provided with a hexagonal second coupling notch a7. The 5% of the second sub-sheet a2 is provided with a hexagonal first coupling notch a6, which is simulated to increase the coupling degree, and the coupling performance is 2. 5%. . It improves the coupling degree and effectively reduces the deviation of the phase difference. In this embodiment, the first coupling piece bl A first slot M2 is disposed in the vicinity of the two side regions. In this embodiment, the top corner regions of the second and second sub-sheets b2 and b3 are each provided with a circular isolation hole b1. In this embodiment, the spacer b7 is provided with a plurality of second notches b71 disposed at equal intervals. Used to increase isolation and increase performance.

 The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features, and principles described in the scope of the present invention are included in the scope of protection of the present patent application.

Claims

Claim  [Claim 1] A 3dB bridge provided with a second slot, comprising: a first combination piece and a second combination piece; the first combination piece includes a hexagonal shape having the same size a sub-slice (al), a second sub-slice (a2), a third sub-slice (a3); a first sub-slice (al) to a third sub-slice (a3) is arranged in an equidistant annular array with the center points on the same plane; the first sub-slice (al), the second sub-slice (a2), and the third sub-slice (a3) define their edges from the leftmost edge respectively The first side of the first sub-piece (al) and the second side of the second sub-piece (a2) pass through a circular arc. The first conductive arms (a4) are connected, and the fourth side of the first sub-piece (al) and the third side of the third sub-piece 3) are connected by a circular second-shaped conductive arm (a5); a first input end rod (al l) extends outwardly from the arm (a4), and the second conductive arm 5) extends outwardly from the arch back to the first output end rod 12); the second composite sheet includes There is a hexagonal first coupling piece (bl) having the same size as the first sub-piece (al); and a rectangular spacer (b7), spacer (b7) and The first coupling pieces (bl) are connected by a connecting arm (b6); the separating piece (b7) and the connecting arm (b6) extend perpendicularly with a vertical arm (b8), a vertical arm B8) The second piece (b2) and the third piece (b3) are extended on both sides, and the second piece (b2) and the third piece (b3) are the same size, the same plane, and are hexagonal; The outer side of the second piece (b2) extends outwardly from the second input end rod (b4), and the outer side of the third piece (b3) extends outwardly out of the second output end rod (b5); The first combined piece and the second combined piece are combined, and the vertical arm (b8) is located in a gap between the second sub-piece (a2) and the third sub-piece (a3), and the second sub-piece (a2) Between the separator (b7) and the second sheet (b2), the third sheet (a3) is sandwiched between the separator (b7) and the third sheet (b3); the first sheet ( Al) is disposed in parallel with the first coupling piece (bl) and the first coupling piece (bl) is vertically projected to coincide with the first sub-piece (al); the spacer piece (b7) is provided with a plurality of second notches equally arranged (b71). [Claim 2] A 3dB bridge provided with a second notch according to claim 1, wherein: an angled area between the second side and the third side of the second sub-piece (a2) A hexagonal first coupling notch (a6) is provided. [Claim 3] A 3dB bridge provided with a second slot according to claim 1, wherein: the angle between the second side and the third side of the third sub-sheet 3) is set There is a hexagonal second coupling notch (a7).  [Claim 4] A 3dB bridge provided with a second notch according to claim 1, wherein: the first coupling piece (bl) is provided with a first notch near both side regions (bl2).  [Claim 5] A 3dB bridge provided with a second slot according to claim 1, wherein: a top corner region of the second sub-piece (b2) and the third sub-piece (b3) Each has a circular isolation hole (bl l).  [Claim 6] A 3dB bridge provided with a second notch according to claim 1, characterized in that: the second sub-piece (a2) and the spacer (b7) and the second sub-piece (b2) There is an insulated top column between them.  [Claim 7] A 3dB bridge provided with a second notch according to claim 1, characterized in that: the third sub-piece (a3) and the spacer (b7) and the third sub-piece (b3) There is an insulated top column between them.