CN203895592U - Double ring 3dB electric bridge - Google Patents
Double ring 3dB electric bridge Download PDFInfo
- Publication number
- CN203895592U CN203895592U CN201420166137.XU CN201420166137U CN203895592U CN 203895592 U CN203895592 U CN 203895592U CN 201420166137 U CN201420166137 U CN 201420166137U CN 203895592 U CN203895592 U CN 203895592U
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- coupling part
- coupling
- electric bridge
- control lever
- declutcher control
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Abstract
The utility model discloses a double ring 3dB electric bridge. Through arrangement of a first coupling part, a second coupling part, a third coupling part and a forth coupling part that are all shaped as circular rings, annular coupling effects can be greatly strengthened. The coupling coefficient, measured and calculated through a simulation software, of the double ring 3dB electric bridge is high; the coupling frequency of the double ring 3dB electric bridge is as high as 2950 KHZ, and requirements of a current mainstream LTE technology standard are greatly met; the common frequency combiner is greatly improved in practicality, simple in structure and long in service life, and the double ring 3dB electric bridge is not easy to damage.
Description
Technical field
The utility model relates to same frequency combiner accessory technical field, is specifically related to a kind of dicyclo 3dB electric bridge.
Background technology
In same frequency combiner, main component is exactly 3dB electric bridge, and 3dB electric bridge is a kind of electric device that two kinds of identical signals of frequency is coupled into a road signal output; It requires the degree of coupling high, and accurately, frequency range is wide; In the communications industry, be widely used, wherein, in the newly-increased standard LTE of the communications industry, the frequency range of LTE standard-required is 2570MHz-2750MHz, in same frequency combiner in the market, the general coupling frequency width of 3dB electric bridge adopting is 600MHz-2400MHz, can not meet the frequency range of newly-increased LTE standard-required.
Summary of the invention
The purpose of this utility model is to overcome above-described shortcoming, provides that a kind of coupling frequency is wide can reach 2950MHZ and two coupling line shapes are identical, saves cost, dicyclo 3dB electric bridge that isolation is large.
For achieving the above object, concrete scheme of the present utility model is as follows: dicyclo 3dB electric bridge, include the first coupling line and the second coupling line, described the first coupling line comprises the first coupling part of annular and downward extended the 3rd coupling part from the first coupling part bottom; Described the first coupling line also includes the first output pin extending upward from the first coupling part one skew back, a skew back extended the first input pin downwards from the 3rd coupling part with respect to the first output pin; The free end of described the first output pin is established the first output, and the free end of the first input pin is established first input end;
Described the second coupling line comprises the second coupling part of annular and downward extended the 4th coupling part from the second coupling part bottom; Described the second coupling line also comprises the second output pin extending upward from the second coupling part one skew back, a skew back extended the second input pin downwards from the 4th coupling part with respect to the second output pin; The free end of described the second output pin is established the second output, and the free end of the first input pin is established the second input;
Described the first coupling line is parallel with the second coupling line and overlap, and between the first coupling part and the second coupling part are heavy, distance is 4mm-8mm;
The both sides of described the first coupling part and the second coupling part are respectively equipped with installing hole, between the installing hole of described the first coupling part and the corresponding installing hole of the second coupling part, be provided with insulation column, between described the first coupling part and the second coupling part, fix by insulation column.
Wherein, the interior ring diameter of described the first coupling part and the second coupling part is 25mm.
Wherein, on each insulation column, be equipped with twice draw-in groove, and the twice draw-in groove of each insulation cylinder distance equates.
Wherein, between the first coupling part and the second coupling part weight, distance is 5mm.
Wherein, a skew back of the first coupling part extends downwards the 5th declutcher control lever; Described the 3rd coupling part has extended upward the 6th declutcher control lever with respect to a skew back of the 5th declutcher control lever.
Wherein, a skew back of the second coupling part extends downwards the 7th declutcher control lever; Described the 4th coupling part has extended upward the 8th declutcher control lever with respect to a skew back of the 7th declutcher control lever.
The beneficial effects of the utility model are: by the first coupling part and the second coupling part and the 3rd coupling part and the 4th coupling part of annular arranging, can make annular coupling effect greatly strengthen, its coupling coefficient calculating by simulation software is high, coupling frequency can reach 2950KHZ, met greatly the requirement of current main flow LTE technical standard, its practicality increases greatly, and it is simple in structure in addition, not fragile, long service life.
Brief description of the drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is the front view of the first coupling line;
Fig. 3 is the front view of the second coupling line;
Fig. 4 is the front view that utilizes the same frequency combiner of the utility model making;
Fig. 5 is the first coupling line, the second coupling line and the insulation column profile while coordinating;
Fig. 6 is that the utility model reaches the curve synoptic diagram of high coupling frequency in simulation software;
Description of reference numerals in Fig. 1 to Fig. 6:
1-the first coupling line; 11a-the first coupling part; 11b-the 3rd coupling part; 12-the first output pin; 13-the first input pin; 14-the first output; 15a-first disturbs portion mutually; 15b-the 3rd disturbs portion mutually; 15c-the first explant; 16a-the 5th declutcher control lever; 16b-the 6th declutcher control lever;
2-the second coupling line; 21a-the second coupling part; 21b-the 4th coupling part; 22-the second output pin; 23-the second input pin; 24-the second output; 25a-second disturbs portion mutually; 25b-the 4th disturbs portion mutually; 25c-the second explant; 26a-the 7th declutcher control lever; 26b-the 8th declutcher control lever;
3-installing hole; 3a-insulation column;
4-housing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model being described in further detail, is not that practical range of the present utility model is confined to this.
As shown in Figures 1 to 6, dicyclo 3dB electric bridge described in the present embodiment, include the first coupling line 1 and the second coupling line 2, described the first coupling line 1 comprises the first coupling part 11a of annular and downward extended the 3rd coupling part 11b from the first coupling part 11a bottom; Described the first coupling line 1 also includes the first output pin 12 extending upward from the first coupling part 11a mono-skew back, a skew back extended the first input pin 13 downwards from the 3rd coupling part 11b with respect to the first output pin 12; The free end of described the first output pin 12 is established the free end of the first output 14, the first input pins 13 and is established first input end; Described the second coupling line 2 comprises the second coupling part 21a of annular and downward extended the 4th coupling part 21b from the second coupling part 21a bottom; Described the second coupling line 2 also comprises the second output pin 22 extending upward from the second coupling part 21a mono-skew back, a skew back extended the second input pin 23 downwards from the 4th coupling part 21b with respect to the second output pin 22; The free end of described the second output pin 22 is established the free end of the second output 24, the first input pins 13 and is established the second input; Described the first coupling line 1 is parallel with the second coupling line 2 and overlap, and between the first coupling part 11a and the second coupling part 21a are heavy, distance is 4mm-8mm.The both sides of described the first coupling part 11a and the second coupling part 21a are respectively equipped with installing hole 3, between the corresponding installing hole 3 of the installing hole 3 of described the first coupling part 11a and the second coupling part 21a, be provided with insulation column 3a, between described the first coupling part 11a and the second coupling part 21a, fix by insulation column 3a; By the first coupling part 11a and the second coupling part 21a of annular arranging, can make annular coupling effect greatly strengthen, its coupling coefficient calculating by simulation software is high, coupling frequency can reach 2950KHZ, met greatly the requirement of current main flow LTE technical standard, its practicality increases greatly, and it is simple in structure in addition, not fragile, long service life.
Further, the corresponding same frequency combiner with it that utilizes that 3dB electric bridge described in the present embodiment makes, includes housing 4 and 3dB electric bridge described above; Above-mentioned 3dB electric bridge is fixed on the same frequency combiner of the interior formation of housing 4.
Further, a kind of dicyclo 3dB electric bridge described in the present embodiment, the interior ring diameter of described the first coupling part 11a and the second coupling part 21a is 25mm; Calculate by emulation of the computer software, in the time that the interior ring diameter of the first coupling part 11a and the second coupling part 21a is 25mm, its frequency broadband optimum, effect is best.
Further, a kind of dicyclo 3dB electric bridge described in the present embodiment, is equipped with twice draw-in groove on each insulation column 3a, and the twice draw-in groove of each insulation cylinder distance equates; So arrange, can control accurately the distance between the first coupling part 11a and the second coupling part 21a, prevent the distortion that the variation of distance tells on.
Further, a kind of dicyclo 3dB electric bridge described in the present embodiment, between the first coupling part 11a and the second coupling part 21a are heavy, distance is 5mm.Calculate by emulation of the computer software, in the time that between a coupling part and the second coupling part 21a weight, distance is 5mm, its frequency broadband optimum, effect is best.
Further, a kind of dicyclo 3dB electric bridge described in the present embodiment, extend downwards on the interior ring top of described the first coupling part 11a rectangular first declutcher control lever, the interior ring bottom of described the 3rd coupling part 11b has extended upward rectangular the 3rd declutcher control lever, the transverse width of described the first declutcher control lever and the 3rd declutcher control lever is 2mm, is vertically highly 3mm; Described the first declutcher control lever is extended with one first downwards to a skew back of the first output pin 12 and disturbs mutually the 15a of portion, and the described first free end of disturbing mutually the 15a of portion is extended with a foursquare first explant 15c downwards; Described the 3rd declutcher control lever is disturbed the 15b of portion mutually to being upwards extended with one the 3rd with respect to a skew back of the first output pin 12, and it is three explants that the described the 3rd free end of disturbing mutually the 15b of portion is upwards extended with one foursquare; Can make the isolation of electric bridge greatly increase by the first declutcher control lever, the 3rd declutcher control lever that arrange, pass through emulation of the computer software, known, so setting can reach the isolation of 25db, and the trapezoidal the 3rd disturb that the 15b of portion, circular the 3rd explant, trapezoidal first disturb the 15a of portion mutually and the first circular explant 15c has played larger isolation mutually, by emulation of the computer software, it has reached the isolation of 30db.
Further, a kind of dicyclo 3dB electric bridge described in the present embodiment, extend downwards on the interior ring top of described the 4th coupling part 21b rectangular the 4th declutcher control lever, the interior ring bottom of described the second coupling part 21a has extended upward rectangular second declutcher control lever, the transverse width of described the 4th declutcher control lever and the second declutcher control lever is 2mm, is vertically highly 3mm; Described the second declutcher control lever is disturbed portion 25 mutually to being upwards extended with one second with respect to a skew back of the first output pin 12, and the described second free end of disturbing mutually portion 25 is upwards extended with a foursquare second explant 25c; Described the 4th declutcher control lever is upwards extended with one the 4th to a skew back of the first output pin 12 and disturbs mutually the 25b of portion, and it is four explants that the described the 4th free end of disturbing mutually the 25b of portion is extended with one foursquare downwards; The same the second declutcher control lever, the 4th declutcher control lever by setting can make the isolation of electric bridge greatly increase, pass through emulation of the computer software, known, so setting can reach the isolation of 25db, and trapezoidal second disturb that portion 25, circular the second explant 25c, the trapezoidal the 4th disturb the 25b of portion mutually and the 4th circular explant has played larger isolation mutually, by emulation of the computer software, it has reached the isolation of 30db.
Further, a skew back of the first coupling part 11a extends downwards the 5th declutcher control lever 16a; Described the 3rd coupling part 11b has extended upward the 6th declutcher control lever 16b with respect to a skew back of the 5th declutcher control lever 16a.Further, a skew back of the second coupling part 21a extends downwards the 7th declutcher control lever 26a; Described the 4th coupling part 21b has extended upward the 8th declutcher control lever 26b with respect to a skew back of the 7th declutcher control lever 26a; By the second declutcher control lever and the 4th declutcher control lever that arrange, can make the isolation of electric bridge greatly increase, by emulation of the computer software, known, so setting can increase by 1.2% isolation.
The above is only a preferred embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the protection range of the utility model patent application.
Claims (6)
1. a dicyclo 3dB electric bridge, include the first coupling line (1) and the second coupling line (2), it is characterized in that: described the first coupling line (1) comprises first coupling part (11a) of annular and downward extended the 3rd coupling part (11b) from the first coupling part (11a) bottom; Described the first coupling line (1) also includes the first output pin (12) extending upward from the first coupling part (11a) skew back, a skew back extended the first input pin (13) downwards from the 3rd coupling part (11b) with respect to the first output pin (12); The free end of described the first output pin (12) is established the first output (14), and the free end of the first input pin (13) is established first input end;
Described the second coupling line (2) comprises second coupling part (21a) of annular and downward extended the 4th coupling part (21b) from the second coupling part (21a) bottom; Described the second coupling line (2) also comprises the second output pin (22) extending upward from the second coupling part (21a) skew back, a skew back extended the second input pin (23) downwards from the 4th coupling part (21b) with respect to the second output pin (22); The free end of described the second output pin (22) is established the second output (24), and the free end of the first input pin (13) is established the second input;
Described the first coupling line (1) is parallel with the second coupling line (2) and overlap, and between the first coupling part (11a) and the second coupling part (21a) are heavy, distance is 4mm-8mm;
Described the first coupling part (11a) is respectively equipped with installing hole (3) with the both sides of the second coupling part (21a), between the installing hole (3) of described the first coupling part (11a) and the corresponding installing hole (3) of the second coupling part (21a), be provided with insulation column (3a), fixing by insulation column (3a) between described the first coupling part (11a) and the second coupling part (21a).
2. a kind of dicyclo 3dB electric bridge according to claim 1, is characterized in that: the interior ring diameter of described the first coupling part (11a) and the second coupling part (21a) is 25mm.
3. a kind of dicyclo 3dB electric bridge according to claim 1, is characterized in that: on each insulation column (3a), be equipped with twice draw-in groove, and the twice draw-in groove of each insulation cylinder distance equates.
4. a kind of dicyclo 3dB electric bridge according to claim 1, is characterized in that: between the first coupling part (11a) and the second coupling part (21a) are heavy, distance is 5mm.
5. a kind of dicyclo 3dB electric bridge according to claim 1, is characterized in that: a skew back of the first coupling part (11a) extends downwards the 5th declutcher control lever (16a); Described the 3rd coupling part (11b) has extended upward the 6th declutcher control lever (16b) with respect to a skew back of the 5th declutcher control lever (16a).
6. a kind of dicyclo 3dB electric bridge according to claim 1, is characterized in that: a skew back of the second coupling part (21a) extends downwards the 7th declutcher control lever (26a); Described the 4th coupling part (21b) has extended upward the 8th declutcher control lever (26b) with respect to a skew back of the 7th declutcher control lever (26a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166137.XU CN203895592U (en) | 2014-04-08 | 2014-04-08 | Double ring 3dB electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420166137.XU CN203895592U (en) | 2014-04-08 | 2014-04-08 | Double ring 3dB electric bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203895592U true CN203895592U (en) | 2014-10-22 |
Family
ID=51721952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420166137.XU Expired - Fee Related CN203895592U (en) | 2014-04-08 | 2014-04-08 | Double ring 3dB electric bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203895592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915672A (en) * | 2014-04-08 | 2014-07-09 | 吴俊伟 | Dual-ring 3dB electrical bridge |
-
2014
- 2014-04-08 CN CN201420166137.XU patent/CN203895592U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915672A (en) * | 2014-04-08 | 2014-07-09 | 吴俊伟 | Dual-ring 3dB electrical bridge |
| CN103915672B (en) * | 2014-04-08 | 2016-05-04 | 山东国恒机电配套有限公司 | A kind of dicyclo 3dB electric bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20150408 |
|
| EXPY | Termination of patent right or utility model |