CN203039072U - Coupling device - Google Patents
Coupling device Download PDFInfo
- Publication number
- CN203039072U CN203039072U CN 201220659671 CN201220659671U CN203039072U CN 203039072 U CN203039072 U CN 203039072U CN 201220659671 CN201220659671 CN 201220659671 CN 201220659671 U CN201220659671 U CN 201220659671U CN 203039072 U CN203039072 U CN 203039072U
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- Prior art keywords
- coupling body
- coupling
- circuit board
- tuning
- printed circuit
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Abstract
The utility model relates to a communication device, in particular to a coupling device which is used for performing signal sampling on a main line used for transmitting signals. The coupling device comprises a printed circuit board, a coupling body and a tuning mechanism used for tuning the angle and distance between the coupling body and the main line; the coupling body is an arch-shaped elastic body; the middle portion of the coupling body is connected with the tuning mechanism and is separated from the printed circuit board; two ends of the coupling body respectively contact with two arc-shaped electric-conduction connecting sheets of the printed circuit board; the tuning mechanism can rotate the coupling body so as to enable the two ends of the coupling body respectively slide on the two arc-shaped electric-conduction connecting sheets; and the two arc-shaped electric-conduction connecting sheets are electrically connected with an coupling output port and an isolating port respectively which are arranged on the printed circuit board. By means of the above manner, the coupling device of the utility model has the advantages of simple structure, convenient, accurate and simple adjustment, wide adjustment range and higher reliability.
Description
Technical field
The utility model relates to a kind of communication device, more particularly, relates to a kind of coupling stout man.
Background technology
Coupling module is a kind of four port modules with directional transmissions characteristic, its essence is that microwave signal is carried out power division according to a certain percentage, can be used for isolation, separation and the mixing of signal, carry out the power signal sampling, with monitoring, source power output fixed ampllitude, signal source isolation, the transmission that acts on power and the sweep check of reflecting etc.
Cavity body filter is widely used in the communications field as a kind of frequency selection device, especially field of radio frequency communication.In the base station, cavity body filter is used for selecting signal of communication, clutter or interference signal that the filtering communication signal frequency is outer.As shown in Figure 1, the regulative mode of the coupling module in the existing cavity body filter is to adopt the electrical adjustment mode, namely change resistance, capacitance on the coupling pcb board, and the mode of regulating two potentiometers on the coupling pcb board is to regulate the purpose of the degree of coupling and isolation respectively.Because it is to adopt the electronics mode that existing radiofrequency signal converts coupling amount regulative mode in the signal of telecommunication process to, namely changes resistance, capacitance, and the mode of regulator potentiometer to be to reach the purpose of regulating the coupling amount, its shortcoming has following aspect:
1, this mode must have two potentiometer parts, has increased cost.
2, the potentiometer electronic component has increased the area occupied of pcb board.
3, the magnitude relationship of the selecting for use of this mode and current potential device, welding position, value is bigger.
4, as above illustrate coupled end and isolation end fixed-site.
5, debud mode complexity, its operation require very strong professional.
6, the potentiometer adjustable range is narrow, only limits to fine setting, exceeds certain limit and must change coupling piece.
As shown in Figure 2, existing another kind of coupling module, it can be by distance and the angle between the next tuning coupling piece of mechanical tuning device and the main line, but in this coupling module, coupling piece is wired to coupled end and the isolation end of printed circuit board (PCB), in tuning process, because coupling piece can rotate and move up and down, cause the connecting portion of lead and coupling piece to adopt welding, easily come off, reliability is low; The angle of regulation range of coupling piece also can cause wire dropping when big, can influence the stability of coupling device simultaneously, and structure is also comparatively complicated.
The utility model content
The technical problems to be solved in the utility model is that the above-mentioned defective at prior art provides a kind of coupling device, and it is simple in structure, and regulative mode is more convenient, accurate, simple, and adjustable range is wide, and reliability is higher.
The technical scheme that its technical problem that solves the utility model adopts is, a kind of coupling device is provided, be used for the main line of transmission signal is carried out signal sampling, described coupling device comprises: printed circuit board (PCB), coupling body and the mechanical tuning device that is used for the angle and distance between tuning described coupling body and the described main line, described coupling body is arc elastomer, the middle part of described coupling body is connected with described mechanical tuning device and separates with described printed circuit board (PCB), the two ends of described coupling body contact with two arc conductive connecting pieces that are arranged at described printed circuit board (PCB) respectively, the rotatable described coupling body of described mechanical tuning device so that the two ends of described coupling body slide at described two arc conductive connecting pieces respectively; Described two arc conductive connecting pieces are electrically connected with the coupling output port and the isolated port that are arranged at printed circuit board (PCB) respectively.
According to coupling device of the present utility model, described arc conductive connecting piece is sheet metal or microstrip line.
According to coupling device of the present utility model, described coupling body in the form of sheets or shaft-like.
According to coupling device of the present utility model, the two ends of described coupling body are provided with the salient point that contacts with described arc conductive connecting piece.
According to coupling device of the present utility model, described mechanical tuning device comprises:
Hold-down nut has internal thread, and described hold-down nut and described printed circuit board (PCB) are affixed;
Tuning screw rod has external screw thread and axially extending bore, and described tuning screw rod and described hold-down nut screw togather;
Adjusting rod is arranged in the axially extending bore of described tuning screw rod, and described tuning plug is fixedlyed connected with described coupling body.
According to coupling device of the present utility model, an end that is not connected with described coupling body on the described adjusting rod is provided with the screwdriver accommodating groove.
According to coupling device of the present utility model, an end that is not connected with described coupling body on the described adjusting rod is provided with annular retaining ring, and described annular retaining ring contacts with described tuning screw rod.
According to coupling device of the present utility model, described annular retaining ring is fixed in the annular groove on the described adjusting rod.
According to coupling device of the present utility model, the middle part of described coupling body is provided with perforation, and described adjusting rod is provided with the Elastic buckle that two opposing parallel arrange, and described Elastic buckle is arranged in perforation with fixing described coupling body.
According to coupling device of the present utility model, the flange portion that described tuning screw rod comprises the threaded portion that screws togather with described hold-down nut and is used for regulating, described flange portion and described threaded portion are affixed.
The utility model is set to arc elastomer by coupling body, the middle part of coupling body is connected with mechanical tuning device and separates with circuit board, the two ends of coupling body contact with two arc conductive connecting pieces that are arranged at printed circuit board (PCB) respectively, the rotatable coupling body of mechanical tuning device is so that slide at two arc conductive connecting pieces respectively in the two ends of coupling body, and two arc conductive connecting pieces are electrically connected with the coupling output port and the isolated port that are arranged at printed circuit board (PCB) respectively.When mechanical tuning device is regulated the distance between coupling body and the main line, because coupling body is arc elastomer, therefore can keep the two ends of coupling body to contact with the arc conductive connecting piece all the time, thereby make signal on the coupling body can be transferred to coupled end and isolation end on the printed circuit board (PCB); When mechanical tuning device is regulated the angle between coupling body and the main line, mechanical tuning device rotation coupling body, slide at two arc conductive connecting pieces respectively in the two ends of coupling body, thereby can guarantee that also the two ends of coupling body contact with the arc conductive connecting piece, make signal on the coupling body can be transferred to coupled end and isolation end on the printed circuit board (PCB).With respect to prior art, the utility model does not need to weld, and can not impact the coupled end of coupling body and printed circuit board (PCB) and the connection reliability of isolation end when the angle of regulation range of coupling piece is big yet.Whereby, the utility model is simple in structure, and regulative mode is more convenient, accurate, simple, and adjustable range is wide, and reliability is higher.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples
Fig. 1 is the three-dimensional structure diagram of existing a kind of coupling module;
Fig. 2 is the three-dimensional structure diagram of existing another kind of coupling module;
Fig. 3 is the cutaway view of coupling device of the present invention;
Fig. 4 is the zoomed-in view of part-structure among Fig. 3;
Fig. 5 is the stereogram at a kind of visual angle of coupling device of the present invention.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 3～shown in Figure 5, a kind of coupling device 100 of the utility model, be used for the main line 200 of transmission signal is carried out signal sampling, this coupling device 100 can be used for the signal coupling of frequency communication devices, and frequency communication devices can be cavity body filter, single multiplexer, duplexer, multiplexer, mixer or splitter etc.Coupling device 100 comprises: printed circuit board (PCB) 10, coupling body 20 and the mechanical tuning device 30 that is used for the angle and distance between tuning coupling body 20 and the main line 200.This main line 200 is preferably the inner wire of coaxial connecting line.
In embodiment as shown in Figure 3, coupling body 20 in the form of sheets, certainly in other embodiments, coupling body 20 also can be structure such as shaft-like.The two ends of coupling body 20 are provided with the salient point 21 that contacts with arc conductive connecting piece 11.
When the distance between 30 pairs of coupling bodies 20 of mechanical tuning device and the main line 200 is regulated, because coupling body 20 is arc elastomer, therefore can keep the two ends of coupling body 20 to contact with arc conductive connecting piece 11 all the time, thereby make signal on the coupling body 20 can be transferred to coupled end and isolation end on the printed circuit board (PCB) 10; When the angle between 30 pairs of coupling bodies 20 of mechanical tuning device and the main line 200 is regulated, mechanical tuning device 30 rotation coupling bodies 20, slide at two arc conductive connecting pieces 11 respectively in the two ends of coupling body 0, thereby can guarantee that also the two ends of coupling body 20 contact with arc conductive connecting piece 11, make signal on the coupling body 20 can be transferred to coupled end and isolation end on the printed circuit board (PCB) 10.With respect to prior art, the utility model does not need to weld, and can not impact the coupled end of coupling body and printed circuit board (PCB) and the connection reliability of isolation end when the angle of regulation range of coupling piece is big yet.Whereby, the utility model is simple in structure, and regulative mode is more convenient, accurate, simple, and adjustable range is wide, and reliability is higher.
As shown in Figure 4, mechanical tuning device 30 comprises hold-down nut 31, tuning screw rod 32 and adjusting rod 33.
Hold-down nut 31 has internal thread, and hold-down nut 31 is affixed with printed circuit board (PCB) 10.
Tuning screw rod 32 has external screw thread and axially extending bore, and tuning screw rod 32 screws togather with hold-down nut 31.The flange portion 322 that tuning screw rod 32 comprises the threaded portion 321 that screws togather with hold-down nut 31 and is used for regulating, flange portion 322 is affixed with threaded portion 321.This tuning screw rod 32 is used for regulating the distance between coupling body 20 and the main line 200.
Adjusting rod 33 is arranged in the axially extending bore of tuning screw rod 32, and tuning plug 33 is fixedlyed connected with coupling body 20.An end that is not connected with coupling body 20 on the adjusting rod 33 is provided with screwdriver accommodating groove 331.This adjusting rod 33 is used for regulating the angle between coupling body 20 and the main line 200.Preferably, 33 ends that are not connected with coupling body are provided with annular retaining ring 332 on the adjusting rod, annular retaining ring 332 contacts with tuning screw rod 32, and annular retaining ring 332 is fixed in the annular groove on the adjusting rod 33, and annular retaining ring 332 also can be one-body molded with adjusting rod 33 certainly.Because coupling body 20 has elasticity, unfixing between adjusting rod 33 and the tuning screw rod 32 simultaneously, therefore under the elastic reaction of coupling body 20, adjusting rod 33 can be axially mobile in the axially extending bore of tuning screw rod 32, may cause regulate between coupling body 20 and the main line 200 apart from the time, adjusting rod 33 is not followed tuning screw rod 32 and is moved axially together.Annular retaining ring 332 can avoid the tuning relatively screw rod 32 of adjusting rod 33 to move axially.Adjusting rod 33 is generally non-metallic material, avoids its coupled signal to coupling body 20 to exert an influence.
The concrete regulative mode of distance between 30 pairs of coupling bodies 20 of mechanical tuning device and the main line 200 is:
Rotary tuning screw rod 32 makes tuning screw rod 32 drive adjusting rods 33 one and moves axially, thereby makes the coupling body 20 that is positioned at adjusting rod 33 1 ends also produce displacement, thus make between coupling body 20 and the main line 200 the distance increase or reduce.In adjustment process, need to adopt screwdriver to fix adjusting rod 33 simultaneously, avoid tuning plug 33 to follow tuning screw rod 32 rotations the angle between coupling body 20 and the main line 200 is changed.
The concrete regulative mode of angle between 30 pairs of coupling bodies 20 of mechanical tuning device and the main line 200 is:
Adopt screwdriver to insert screwdriver accommodating groove 331, during rotation adjusting rod 33, make adjusting rod 33 and tuning screw rod 32 relatively rotate, thereby the angle of the coupling body 20 relative main lines 200 that are positioned at adjusting rod 33 1 ends is changed, thereby reach the purpose of regulating the coupling phase place.
As shown in Figure 4 and Figure 5, the middle part of coupling body 20 is provided with perforation, and adjusting rod 33 is provided with the Elastic buckle 333 that two opposing parallel arrange, and Elastic buckle 333 is arranged in perforation with fixed coupling body 20, makes coupling body 20 can not produce rotation and moves up and down.Certainly, in actual production, also can offer screwed hole in adjusting rod 33 bottoms, by screw coupling body 20 is locked together on the adjusting rod 33.The fixed form of coupling body 20 and adjusting rod 33 can be set to multiple according to actual conditions, as long as avoid coupling body 20 with respect to the axle center rotation of adjusting rod 33 or move up and down.
In sum, the utility model is set to arc elastomer by coupling body, the middle part of coupling body is connected with mechanical tuning device and separates with circuit board, the two ends of coupling body contact with two arc conductive connecting pieces that are arranged at printed circuit board (PCB) respectively, the rotatable coupling body of mechanical tuning device is so that slide at two arc conductive connecting pieces respectively in the two ends of coupling body, and two arc conductive connecting pieces are electrically connected with the coupling output port and the isolated port that are arranged at printed circuit board (PCB) respectively.When mechanical tuning device is regulated the distance between coupling body and the main line, because coupling body is arc elastomer, therefore can keep the two ends of coupling body to contact with the arc conductive connecting piece all the time, thereby make signal on the coupling body can be transferred to coupled end and isolation end on the printed circuit board (PCB); When mechanical tuning device is regulated the angle between coupling body and the main line, mechanical tuning device rotation coupling body, slide at two arc conductive connecting pieces respectively in the two ends of coupling body, thereby can guarantee that also the two ends of coupling body contact with the arc conductive connecting piece, make signal on the coupling body can be transferred to coupled end and isolation end on the printed circuit board (PCB).With respect to prior art, the utility model does not need to weld, and can not impact the coupled end of coupling body and printed circuit board (PCB) and the connection reliability of isolation end when the angle of regulation range of coupling piece is big yet.Whereby, the utility model is simple in structure, and regulative mode is more convenient, accurate, simple, and adjustable range is wide, and reliability is higher.
Above embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement accordingly, can not limit protection range of the present utility model.All equalizations of doing with the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1. a coupling device is used for the main line of transmission signal is carried out signal sampling, and described coupling device comprises: printed circuit board (PCB), coupling body and the mechanical tuning device that is used for the angle and distance between tuning described coupling body and the described main line, it is characterized in that,
Described coupling body is arc elastomer, the middle part of described coupling body is connected with described mechanical tuning device and separates with described printed circuit board (PCB), the two ends of described coupling body contact with two arc conductive connecting pieces that are arranged at described printed circuit board (PCB) respectively, the rotatable described coupling body of described mechanical tuning device so that the two ends of described coupling body slide at described two arc conductive connecting pieces respectively; Described two arc conductive connecting pieces are electrically connected with the coupling output port and the isolated port that are arranged at printed circuit board (PCB) respectively.
2. coupling device according to claim 1 is characterized in that, described arc conductive connecting piece is sheet metal or microstrip line.
3. coupling device according to claim 1 is characterized in that, described coupling body in the form of sheets or shaft-like.
4. coupling device according to claim 1 is characterized in that, the two ends of described coupling body are provided with the salient point that contacts with described arc conductive connecting piece.
5. coupling device according to claim 1 is characterized in that, described mechanical tuning device comprises:
Hold-down nut has internal thread, and described hold-down nut and described printed circuit board (PCB) are affixed;
Tuning screw rod has external screw thread and axially extending bore, and described tuning screw rod and described hold-down nut screw togather;
Adjusting rod is arranged in the axially extending bore of described tuning screw rod, and described tuning plug is fixedlyed connected with described coupling body.
6. coupling device according to claim 5 is characterized in that, an end that is not connected with described coupling body on the described adjusting rod is provided with the screwdriver accommodating groove.
7. coupling device according to claim 5 is characterized in that, an end that is not connected with described coupling body on the described adjusting rod is provided with annular retaining ring, and described annular retaining ring contacts with described tuning screw rod.
8. coupling device according to claim 7 is characterized in that, described annular retaining ring is fixed in the annular groove on the described adjusting rod.
9. coupling device according to claim 5 is characterized in that, the middle part of described coupling body is provided with perforation, and described adjusting rod is provided with the Elastic buckle that two opposing parallel arrange, and described Elastic buckle is arranged in perforation with fixing described coupling body.
10. coupling device according to claim 5 is characterized in that, the flange portion that described tuning screw rod comprises the threaded portion that screws togather with described hold-down nut and is used for regulating, and described flange portion and described threaded portion are affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220659671 CN203039072U (en) | 2012-12-04 | 2012-12-04 | Coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220659671 CN203039072U (en) | 2012-12-04 | 2012-12-04 | Coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039072U true CN203039072U (en) | 2013-07-03 |
Family
ID=48691163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220659671 Expired - Fee Related CN203039072U (en) | 2012-12-04 | 2012-12-04 | Coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489996A (en) * | 2015-12-30 | 2016-04-13 | 安徽蓝麦通信科技有限公司 | Monitorable high-power bridge |
| CN110456007A (en) * | 2019-09-12 | 2019-11-15 | 中国原子能科学研究院 | The mechanically calibrated device of oxygen analyzer |
-
2012
- 2012-12-04 CN CN 201220659671 patent/CN203039072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489996A (en) * | 2015-12-30 | 2016-04-13 | 安徽蓝麦通信科技有限公司 | Monitorable high-power bridge |
| CN110456007A (en) * | 2019-09-12 | 2019-11-15 | 中国原子能科学研究院 | The mechanically calibrated device of oxygen analyzer |
| CN110456007B (en) * | 2019-09-12 | 2021-04-02 | 中国原子能科学研究院 | Mechanical calibration device of oxygen analyzer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20171204 |