CN204315693U - Antenna adaptor and radio communication device - Google Patents
Antenna adaptor and radio communication device Download PDFInfo
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- CN204315693U CN204315693U CN201420835145.9U CN201420835145U CN204315693U CN 204315693 U CN204315693 U CN 204315693U CN 201420835145 U CN201420835145 U CN 201420835145U CN 204315693 U CN204315693 U CN 204315693U
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Abstract
The utility model discloses a kind of antenna adaptor, comprise the 3rd interface and single-pole double-throw switch (SPDT), single-pole double-throw switch (SPDT) is arranged in collecting cavity; 3rd interface comprises radio frequency metal circle and the ground quoit of mutually insulated, and radio frequency metal circle is arranged on the outside of the second metal shell, and radio frequency metal circle and the second metal shell mutually insulated; Ground quoit is arranged on the outside of the first metal shell, and ground quoit and the first metal shell mutually insulated.Implement the technical solution of the utility model, capacitive coupling is defined by dielectric between the earth terminal of the 3rd interface and the earth terminal of first interface and the second interface, make by desired signal reflux while, isolated direct current or low-frequency disturbance ground backflow.Thus weaken the impact that the direct current/low-frequency disturbance in external environment caused wireless device by external antenna.
Description
Technical field
The utility model relates to communication antenna field, especially relates to a kind of antenna adaptor and radio communication device.
Background technology
In order to meet wireless device convenient application under various circumstances, duplexer switching device is employed on the wireless device, is used for switching using different antenna to adapt to the radio communication of varying environment (in indoor/outdoor environment or car/car external environment).
But outdoor environment is train external environment especially, owing to there being the situations such as the charging of thunder and lightning, high power DC, AC charging, strong low frequency electromagnetic field, if protect improper, likely being entered by external antenna and damage wireless device.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of antenna adaptor had every straight function, and has the radio communication device of this antenna adaptor.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of antenna adaptor, comprise first interface and the second interface, described first interface comprises the first metal shell, and described second interface comprises the second metal shell;
Described first metal shell is connected with described second metal shell conducting and forms a collecting cavity; Also comprise the 3rd interface and single-pole double-throw switch (SPDT), described single-pole double-throw switch (SPDT) is arranged in described collecting cavity;
Moved end and the described first interface of described single-pole double-throw switch (SPDT) are electrically connected, and the first quiet end and described second interface of described single-pole double-throw switch (SPDT) are electrically connected, and the second quiet end and described 3rd interface of described single-pole double-throw switch (SPDT) are electrically connected;
Described 3rd interface comprises radio frequency metal circle and the ground quoit of mutually insulated, and described radio frequency metal circle is arranged on the outside of described second metal shell, and described radio frequency metal circle and described second metal shell mutually insulated; Described ground quoit is arranged on the outside of described first metal shell, and described ground quoit and described first metal shell mutually insulated.
In antenna adaptor of the present utility model, also comprise the first insulation back-up ring, described first insulation back-up ring is arranged between described ground quoit and described first metal shell, and the bottom of described first insulation back-up ring is provided with the first ring flange for spacing described ground quoit.
In antenna adaptor of the present utility model, also comprise the second insulation back-up ring and insulation pressure ring, described second insulation back-up ring is arranged between described radio frequency metal circle and described second metal shell, the bottom of described second insulation back-up ring is provided with for spacing described radio frequency metal circle, and separates the second ring flange of described radio frequency metal circle and described ground quoit; Described insulation pressure ring is arranged on the outside of described second metal shell, and is positioned at the top of described radio frequency metal circle.
In antenna adaptor of the present utility model, described 3rd interface also comprises the 3rd signal conductor, one end of described 3rd signal conductor is connected with the second quiet end of described single-pole double-throw switch (SPDT), and the other end of described 3rd signal conductor is connected with the medial surface of described radio frequency metal circle.
In antenna adaptor of the present utility model, the side opening of described second metal shell is provided with the first opening stretched out for described 3rd signal conductor, corresponding described first opening, the side opening of described second insulation back-up ring is provided with the second opening stretched out for described 3rd signal conductor.
In antenna adaptor of the present utility model, described first interface also comprises and is arranged on the first center conductor in described first metal shell and the first dead ring; Described first dead ring is arranged between described first center conductor and described first metal shell.
In antenna adaptor of the present utility model, described first interface also comprises the first signal conductor, and one end of described first signal conductor is connected with the moved end of described single-pole double-throw switch (SPDT), and the other end of described first signal conductor is connected with described first center conductor.
In antenna adaptor of the present utility model, described second interface also comprises and is arranged on the second center conductor in described second metal shell and the second dead ring; Described second dead ring is arranged between described second center conductor and described second metal shell.
In antenna adaptor of the present utility model, described second interface also comprises secondary signal wire, one end of described secondary signal wire is connected with the first quiet end of described single-pole double-throw switch (SPDT), and the other end of described secondary signal wire is connected with described second center conductor.
The utility model have also been constructed a kind of radio communication device, comprises wireless communication transceiver, hand held antenna, external antenna, and above-mentioned antenna adaptor;
The signal output part of described wireless communication transceiver is connected with the first interface of described antenna adaptor, described hand held antenna is connected with the second interface of described antenna adaptor, and described external antenna is connected with the 3rd interface of described antenna adaptor by coaxial line.
Implement the technical solution of the utility model, at least there is following beneficial effect: the ground quoit of the 3rd interface of this antenna adaptor and the first metal shell and the second metal shell mutual insulating.Namely define capacitive coupling by dielectric between the earth terminal of the 3rd interface and the earth terminal of first interface and the second interface, make by desired signal reflux while, isolated the ground backflow of direct current or low-frequency disturbance.Thus weaken the impact that the direct current/low-frequency disturbance in external environment caused wireless device by external antenna.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the perspective view of the antenna adaptor in an embodiment of the present utility model;
Fig. 2 be antenna adaptor in an embodiment of the present utility model face structural representation;
Fig. 3 is that A-A in Fig. 2 is to cutaway view;
Fig. 4 is the explosive view of the antenna adaptor in an embodiment of the present utility model;
Fig. 5 is the structural representation of the radio communication device in an embodiment of the present utility model;
Wherein, 1, first interface; 11, the first metal shell; 12, the first center conductor; 13, the first dead ring; 14, the first signal conductor; 2, the second interface; 21, the second metal shell; 211, the first opening; 22, the second center conductor; 23, the second dead ring; 24, secondary signal wire; 3, the 3rd interface; 31, radio frequency metal circle; 32, quoit; 33, the 3rd signal conductor; 4, single-pole double-throw switch (SPDT); 41, moved end; 42, the first quiet end; 43, the second quiet end; 5, the first insulation back-up ring; 51, the first ring flange; 6, the second insulation back-up ring; 61, the second ring flange; 62, the second opening; 7, insulate pressure ring; 100, antenna adaptor; 200, wireless communication transceiver; 300, hand held antenna; 400, external antenna; 410, coaxial line.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 to Fig. 4 shows a kind of antenna adaptor in the utility model, and this antenna adaptor, while realizing antenna signaling transfer point, can also weaken external environment by the impact of external antenna on wireless device.Especially the situations such as the charging of thunder and lightning, high power DC, AC charging, strong low frequency electromagnetic field are had at outdoor environment.
Fig. 1 is the perspective view of the antenna adaptor in an embodiment of the present utility model; Fig. 2 be antenna adaptor in an embodiment of the present utility model face structural representation; Fig. 3 is that A-A in Fig. 2 is to cutaway view; Fig. 4 is the explosive view of the antenna adaptor in an embodiment of the present utility model.
As shown in Figures 1 to 4, this antenna adaptor comprises first interface 1 and the second interface 2, and this first interface 1 and this second interface 2 can be common SMA interface, and the interface type of first interface 1 and the second interface 2 does not limit, and conventional can.And male female also can arbitrarily set according to actual needs.
This first interface 1 comprises the first metal shell 11, this second interface 2 comprises the second metal shell 21, the Main Function of this first metal shell 11 and the second metal shell 21 is the backflow geosphere as first interface 1 and the second interface 2, i.e. the earth terminal of the radiofrequency signal of first interface 1 and the second interface 2.First metal shell 11 is connected with the second metal shell 21 conducting and forms a collecting cavity, this the first metal geosphere and the second metal geosphere can think integrated structure, also can be sectional connected structure, the first metal geosphere in the utility model and the second metal geosphere preferably integrated structure.
Further, first interface 1 also comprises the first center conductor 12 and the first dead ring 13 be arranged in the first metal shell 11; First dead ring 13 is arranged between the first center conductor 12 and the first metal shell 11.Second interface 2 also comprises and is arranged on the second center conductor in the second metal shell 21 and the second dead ring 23; Second dead ring 23 is arranged between the second center conductor and the second metal shell 21.
And this antenna adaptor also comprises the 3rd interface 3 and single-pole double-throw switch (SPDT) 4, the set-up mode of this single-pole double-throw switch (SPDT) 4 is varied, single-pole double-throw switch (SPDT) 4 in the utility model is preferably arranged in collecting cavity, it is compacter that the benefit of such setting is to make the structure of this antenna adaptor, volume is less, and it is more convenient to use.
The Main Function of the 3rd interface 3 is another output as radiofrequency signal, make to use this antenna adaptor namely can connect hand held antenna 300, external antenna 400 can be connected again, again in conjunction with the handoff functionality of single-pole double-throw switch (SPDT) 4, thus the wireless device with this radio transfering device can be made different antennas can be used to adapt to varying environment by switching.
Then the moved end 41 of this single-pole double-throw switch (SPDT) 4 is electrically connected with first interface 1, and the first quiet end 42 of single-pole double-throw switch (SPDT) 4 and the second interface 2 are electrically connected, and the second quiet end 43 of single-pole double-throw switch (SPDT) 4 and the 3rd interface 3 are electrically connected.The selection of this single-pole double-throw switch (SPDT) 4 is varied, the single-pole double-throw switch (SPDT) 4 preferably magnetic switch in the utility model.
As shown in Figures 1 to 4, the 3rd interface 3 comprises radio frequency metal circle 31 and the ground quoit 32 of mutually insulated, and radio frequency metal circle 31 is arranged on the outside of the second metal shell 21, and radio frequency metal circle 31 and the second metal shell 21 mutually insulated; Ground quoit 32 is arranged on the outside of the first metal shell 11, and ground quoit 32 and the first metal shell 11 mutually insulated.
This radio frequency metal circle 31 and ground quoit 32 are arranged on the side of this antenna adaptor, when first interface 1 is connected by single-pole double-throw switch (SPDT) 4 conducting with the 3rd interface 3, radiofrequency signal exports from the radio frequency metal circle 31 of the 3rd interface 3, and by ground quoit 32 ground connection.And ground quoit 32 does not contact with any one in the first metal shell and the second metal shell, and with the first metal shell and the second metal shell mutual insulating.Namely the 3rd interface 3 earth terminal and define capacitive coupling by dielectric between first interface 1 and the earth terminal of the second interface 2, make by desired signal reflux while, isolated direct current or low-frequency disturbance ground backflow.Thus weaken the impact that the direct current/low-frequency disturbance in external environment caused wireless device by external antenna.
In certain embodiments, as shown in Figures 1 to 4, this antenna adaptor also comprises the first insulation back-up ring 5, the Main Function of the first insulation back-up ring 5 is to make the first metal shell 11 and ground quoit 32 mutually insulated, understandably, the mode of the first metal shell 11 and ground quoit 32 mutually insulated is made to have multiple, except using this first insulation back-up ring 5, enough insulating material can also be filled between the first metal shell 11 and ground quoit 32, or be filled with a certain amount of inert gas etc. between the first metal shell 11 and ground quoit 32.
This first insulation back-up ring 5 is arranged between ground quoit 32 and the first metal shell 11, and the first insulation back-up ring 5 in the utility model is preferably set in the outside of this first metal shell 11, this ground quoit 32 is set in the outside of this first insulation back-up ring 5, in order to the bottom installing this ground quoit 32, first insulation back-up ring 5 is simply and easily provided with the first ring flange 51 for spacing ground quoit 32.Thus when this antenna adaptor of assembling, only need successively the first metal shell 11, first insulation back-up ring 5 and ground quoit 32 are nested together and fix.
Further, this antenna adaptor also comprises the second insulation back-up ring 6 and insulation pressure ring 7, the Main Function of the second insulation back-up ring 6 is to make radio frequency metal circle 31 and the second metal shell 21 mutually insulated, understandably, the mode of radio frequency metal circle 31 and the second metal shell 21 mutually insulated is made to have multiple, except using this second insulation back-up ring 6, enough insulating material can also be filled between radio frequency metal circle 31 and the second metal shell 21, or be filled with a certain amount of inert gas etc. between radio frequency metal circle 31 and the second metal shell 21.
This second insulation back-up ring 6 is arranged between radio frequency metal circle 31 and the second metal shell 21, and the second insulation back-up ring 6 in the utility model is preferably set in the outside of this second metal shell 21, this radio frequency metal circle 31 is set in the outside of this second insulation back-up ring 6, in order to the bottom installing this ground quoit 32, second insulation back-up ring 6 is simply and easily provided with the second ring flange 61 for spacing radio frequency metal circle 31.Thus when this antenna adaptor of assembling, only need successively the second metal shell 21, second insulation back-up ring 6 and radio frequency metal circle 31 are nested together and fix.In addition, second metal shell 21 of the present utility model is arranged on the top of the first metal shell 11, then the second ring flange 61 of this second insulation back-up ring 6 also has the effect separating radio frequency metal circle 31 and ground quoit 32, thus can ensure mutually insulated between the radio frequency metal circle 31 of the 3rd interface 3 and insulation back-up ring.
Further, this antenna adaptor also comprises insulation pressure ring 7, and this insulation pressure ring 7 is arranged on the outside of the second metal shell 21, and is positioned at the top of radio frequency metal circle 31.The Main Function of this insulation pressure ring 7 is to compensate the difference in height between this radio frequency metal circle 31 and second metal shell 21, and can play the effect of certain fixed RF quoit 31.Understandably, the fixing mode of this radio frequency metal circle 31 is made to have multiple, except using this insulation pressure ring 7, the top of radio frequency metal circle can also be threaded in fixing by insulating nut, or by multiple insulation spacer, radio frequency metal circle be fixed etc.
In certain embodiments, the mode connecting the radio frequency metal circle 31 of above-mentioned 3rd interface 3 and the second quiet end 43 of single-pole double-throw switch (SPDT) 4 is varied, the 3rd interface 3 in the utility model preferably comprises the 3rd signal conductor 33, one end of 3rd signal conductor 33 is connected with second of single-pole double-throw switch (SPDT) 4 the quiet end 43, and the other end of the 3rd signal conductor 33 is connected with the medial surface of radio frequency metal circle 31.Understandably, the radio frequency metal circle 31 of the 3rd interface 3 can also be connected by a signal conductor with second of single-pole double-throw switch (SPDT) 4 the quiet end 43, or arrange common conductive material at the medial surface of the radio frequency metal circle 31 of the 3rd interface 3, this conductive material extends to the second quiet end 43 of this single-pole double-throw switch (SPDT) 4 to realize connecting etc.
Further, the side of the second metal shell 21 can offer the first opening 211 stretched out for the 3rd signal conductor 33, and the side of corresponding first opening 211, second insulation back-up ring 6 can offer the second opening 62 stretched out for the 3rd signal conductor 33.
In certain embodiments, the mode connecting the first center conductor 12 of above-mentioned first interface 1 and the moved end 41 of single-pole double-throw switch (SPDT) 4 is varied, first interface 1 in the utility model preferably comprises the first signal conductor 14, one end of first signal conductor 14 is connected with the moved end 41 of single-pole double-throw switch (SPDT) 4, and the other end of the first signal conductor 14 is connected with the first center conductor 12.
In certain embodiments, the mode connecting the second center conductor of above-mentioned second interface 2 and the first quiet end 42 of single-pole double-throw switch (SPDT) 4 is varied, the second interface 2 in the utility model preferably comprises secondary signal wire 24, one end of secondary signal wire 24 is connected with first of single-pole double-throw switch (SPDT) 4 the quiet end 42, and the other end of secondary signal wire 24 is connected with the second center conductor.
The utility model additionally provides a kind of radio communication device, and this radio communication device has above-mentioned antenna adaptor, then this radio communication device both can adapt to indoor or environment inside car, can adapt to again outdoor or car external environment.And this radio communication device is when using external antenna, substantially there will not be thunder and lightning in external environment etc. to be entered by external antenna and damaging the situation of wireless device.
Fig. 5 is the structural representation of the radio communication device in an embodiment of the present utility model.
As shown in Figure 5, this radio communication device comprises wireless communication transceiver 200, hand held antenna 300, external antenna 400, and above-mentioned antenna adaptor 100; This wireless communication transceiver 200 preferably intercom.
The signal output part of wireless communication transceiver is connected with the first interface 1 of antenna adaptor 100, hand held antenna 300 is connected with the second interface 2 of antenna adaptor 100, and external antenna 400 is connected with the 3rd interface 3 of antenna adaptor 100 by coaxial line 410.Wherein, first interface 1 is as input, and the second interface 2 and the 3rd interface 3 are as output.
During concrete use, first interface 1 is connected to the signal output part of wireless communication transceiver 200 by standard adapter, second interface 2 is directly connected to hand held antenna 300 by standard adapter, signal is exported to coaxial line 410 in the mode of contact by the 3rd interface 3, and is connected to the external antenna 400 outside outdoor or car by coaxial line 410.
When wireless communication transceiver 200 is used as hand-held set, radiofrequency signal enters the first interface 1 of antenna adaptor 100 from wireless communication transceiver 200, and radiofrequency signal delivered to through single-pole double-throw switch (SPDT) 4 hand held antenna 300 that second interface 2 connects, outwards give off electromagnetic wave by hand held antenna 300;
When wireless communication transceiver 200 is used as ride/base station, radiofrequency signal enters the first interface 1 of this antenna adaptor 100 from wireless communication transceiver 200, and through single-pole double-throw switch (SPDT) 4, radiofrequency signal is delivered to the 3rd interface 3, the radio frequency metal circle 31 of the 3rd interface 3 is connected external antenna 400 with ground quoit 32 by coaxial line 410, goes out electromagnetic wave by external antenna 400 to space radiation.Concrete, coaxial line 410 core received by the line picked out from radio frequency metal circle 31, and coaxial line 410 shell received by the line picked out from ground quoit 32.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various change, combination and change.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (10)
1. an antenna adaptor, comprise first interface (1) and the second interface (2), described first interface (1) comprises the first metal shell (11), and described second interface (2) comprises the second metal shell (21);
Described first metal shell (11) is connected with the conducting of described second metal shell (21) and forms a collecting cavity; It is characterized in that, also comprise the 3rd interface (3) and single-pole double-throw switch (SPDT) (4), described single-pole double-throw switch (SPDT) (4) is arranged in described collecting cavity;
Moved end (41) and the described first interface (1) of described single-pole double-throw switch (SPDT) (4) are electrically connected, first quiet end (42) and described second interface (2) of described single-pole double-throw switch (SPDT) (4) are electrically connected, and the second quiet end (43) and described 3rd interface (3) of described single-pole double-throw switch (SPDT) (4) are electrically connected;
Described 3rd interface (3) comprises radio frequency metal circle (31) and ground quoit (32) of mutually insulated, described radio frequency metal circle (31) is arranged on the outside of described second metal shell (21), and described radio frequency metal circle (31) and described second metal shell (21) mutually insulated; Described ground quoit (32) is arranged on the outside of described first metal shell (11), and described ground quoit (32) and described first metal shell (11) mutually insulated.
2. antenna adaptor according to claim 1, it is characterized in that, also comprise the first insulation back-up ring (5), described first insulation back-up ring (5) is arranged between described ground quoit (32) and described first metal shell (11), and the bottom of described first insulation back-up ring (5) is provided with the first ring flange (51) for spacing described ground quoit (32).
3. antenna adaptor according to claim 1, it is characterized in that, also comprise the second insulation back-up ring (6) and insulation pressure ring (7), described second insulation back-up ring (6) is arranged between described radio frequency metal circle (31) and described second metal shell (21), the bottom of described second insulation back-up ring (6) is provided with for spacing described radio frequency metal circle (31), and separates second ring flange (61) of described radio frequency metal circle (31) and described ground quoit (32); Described insulation pressure ring (7) is arranged on the outside of described second metal shell (21), and is positioned at the top of described radio frequency metal circle (31).
4. antenna adaptor according to claim 3, it is characterized in that, described 3rd interface (3) also comprises the 3rd signal conductor (33), one end of described 3rd signal conductor (33) is connected with the second quiet end (43) of described single-pole double-throw switch (SPDT) (4), and the other end of described 3rd signal conductor (33) is connected with the medial surface of described radio frequency metal circle (31).
5. antenna adaptor according to claim 4, it is characterized in that, the side opening of described second metal shell (21) is provided with the first opening (211) stretched out for described 3rd signal conductor (33), corresponding described first opening (211), the side opening of described second insulation back-up ring (6) is provided with the second opening (62) stretched out for described 3rd signal conductor (33).
6. antenna adaptor according to claim 1, is characterized in that, described first interface (1) also comprises and is arranged on the first center conductor (12) in described first metal shell (11) and the first dead ring (13); Described first dead ring (13) is arranged between described first center conductor (12) and described first metal shell (11).
7. antenna adaptor according to claim 6, it is characterized in that, described first interface (1) also comprises the first signal conductor (14), one end of described first signal conductor (14) is connected with the moved end (41) of described single-pole double-throw switch (SPDT) (4), and the other end of described first signal conductor (14) is connected with described first center conductor (12).
8. antenna adaptor according to claim 1, is characterized in that, described second interface (2) also comprises and is arranged on the second center conductor in described second metal shell (21) and the second dead ring (23); Described second dead ring (23) is arranged between described second center conductor and described second metal shell (21).
9. antenna adaptor according to claim 8, it is characterized in that, described second interface (2) also comprises secondary signal wire (24), one end of described secondary signal wire (24) is connected with the first quiet end (42) of described single-pole double-throw switch (SPDT) (4), and the other end of described secondary signal wire (24) is connected with described second center conductor.
10. a radio communication device, is characterized in that, comprises wireless communication transceiver (200), hand held antenna (300), external antenna (400), and the antenna adaptor (100) described in any one of claim 1 to 9;
The signal output part of described wireless communication transceiver (200) is connected with the first interface (1) of described antenna adaptor (100), described hand held antenna (300) is connected with second interface (2) of described antenna adaptor (100), and described external antenna (400) is connected with the 3rd interface (3) of described antenna adaptor (100) by coaxial line (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835145.9U CN204315693U (en) | 2014-12-25 | 2014-12-25 | Antenna adaptor and radio communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835145.9U CN204315693U (en) | 2014-12-25 | 2014-12-25 | Antenna adaptor and radio communication device |
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| Publication Number | Publication Date |
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| CN204315693U true CN204315693U (en) | 2015-05-06 |
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| CN201420835145.9U Active CN204315693U (en) | 2014-12-25 | 2014-12-25 | Antenna adaptor and radio communication device |
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| CN (1) | CN204315693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614819A (en) * | 2020-06-01 | 2020-09-01 | 上海众链科技有限公司 | External intelligent terminal who has external antenna |
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2014
- 2014-12-25 CN CN201420835145.9U patent/CN204315693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614819A (en) * | 2020-06-01 | 2020-09-01 | 上海众链科技有限公司 | External intelligent terminal who has external antenna |
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