CN203674391U - Antenna structure comprising distance inductor - Google Patents
Antenna structure comprising distance inductor Download PDFInfo
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- CN203674391U CN203674391U CN201420027925.0U CN201420027925U CN203674391U CN 203674391 U CN203674391 U CN 203674391U CN 201420027925 U CN201420027925 U CN 201420027925U CN 203674391 U CN203674391 U CN 203674391U
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- conductive layer
- distance
- antenna structure
- electrically connected
- sensor
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Abstract
The utility model relates to an antenna structure comprising a distance inductor. The antenna structure comprises a dielectric layer. A graphical conducting layer, the distance inductor and a capacitor are arranged at one side of the dielectric layer; the graphical conducting layer comprises a group of first conducting layers and second conducting layers which form a coupling feed-in antenna; the first conducting layers are provided with first feed terminals electrically connected with signal feed-in wires; the second conducting layers are provided with second feed terminals electrically connected with grounding signal lines; the distance inductor is provided with a periphery circuit electrically connected with the second conducting layers and a capacitive-to-digital circuit; and the capacitor is electrically connected between the grounding signal lines and the second feed terminals. According to the utility model, the coupling feed-in antenna and the distance inductor are designed on the same circuit board together, and the antenna is partially taken as the capacitor electrode of the distance inductor for use, so that the space and the manufacturing cost are effectively saved, the interference generated by the other portion of the antenna to the distance inductor can be reduced, and the sensing sensitivity is improved.
Description
Technical field
The utility model relates to a kind of antenna structure being applied in notebook computer or portable electric device, refers in particular to a kind of by coupling feed antenna and the antenna structure of distance-sensor Joint Designing on same circuit board.
Background technology
Radiation problem human body being produced for controlling portable electric device; generally in the time of design portable electric device; need to additionally add distance-sensor (P-sensor) to carry out perception human body proximity in the main aerial position of wireless wide area network (WWAN); and then the protection mechanism of starting power reduction; reduce the radiation value that device produces; in addition,, in order to make induction more accurate, industry tends to reach this object by two distance-sensor mostly at present.
As shown in Figures 1 and 2, the main antenna 10 of traditional notebook computer or portable electric device and distance-sensor 11 adhere to two different parts separately, and must there is a spacing distance between the two, as shown in the figure, the volume size of general distance-sensor 11 (P-sensor) is about 10 millimeters (mm), and main antenna 10 volumes are approximately 61 millimeters (mm), and two distance- sensor 11,5 millimeters of spacing (mm) respectively, it often makes whole main antenna 10 and the design length of distance-sensor 11 must reach 91 millimeters (mm).But along with the progress of radio communication transmission technology, existing design still has the demand of size microminiaturization.
Therefore the antenna structure thereby the appearance that, then have another kind to comprise distance-sensor.As shown in Figures 3 and 4, this kind of antenna 20 comprises a dielectric substrate 21 and a capacitive distance inductor 22, on described dielectric substrate 21 opposite sides, be respectively equipped with one first patterned conductive layer 23 and the second patterned conductive layer 24, described the first patterned conductive layer 23 and the second patterned conductive layer 24 correspondences present the patterning track of an inverted F shaped antenna, and with two capacitors 25, 26 be electrically connected respectively a signal line 27 and ground paths 28, and described the first patterned conductive layer 23 and the second patterned conductive layer 24 are coupled to described capacitive distance inductor 22 by an inductor 29 in addition.
But this kind of antenna structure need adopt double-deck patterned conductive layer, multiple capacitor and multiple inductor could coordinate distance-sensor to produce induction, for by the object of antenna size microminiaturization, still has the space of innovation and progress.
Utility model content
Main purpose of the present utility model, aim to provide a kind of antenna structure with distance-sensor, feed antenna and the distance-sensor of being coupled merges design jointly on same circuit board, allow a part for antenna directly use as the electrode for capacitors of distance-sensor, improve antenna of the prior art and distance-sensor and be respectively individual components, and distance-sensor palpus, for the problem that multiple caused volumes are difficult to dwindle, is effectively saved space and cost of manufacture.
Secondary objective of the present utility model is the patterned conductive layer that distance-sensor connects, and does not directly contact ground signalling line and signal feed-in line, reduces the interference that inductor produces of adjusting the distance of antenna other parts, the effectively sensitivity of range of lift inductor.
For reaching described object, the utility model is to be mainly electrically connected on the common radio communication circuit that forms an electronic installation inside of at least one transceiver circuit by a transmission line, and described transmission line has a signal feed-in line and ground signalling line.
The antenna structure that the utility model comprises distance-sensor comprises: a patterned conductive layer, a distance-sensor, a capacitor and a dielectric layer.
In the first preferred embodiment, described patterned conductive layer is provided with one group of the first conductive layer and one second conductive layer of forming coupling feed antenna, described the first conductive layer has first current feed terminal being electrically connected with described signal feed-in line, and described the second conductive layer has second current feed terminal being electrically connected with described ground signalling line.
Described distance-sensor has a peripheral circuit being electrically connected with described the second conductive layer and the electric capacity being electrically connected with described peripheral circuit turns digital circuit (Capacitance to Digital Circuit); Described capacitor is arranged between described the second current feed terminal and ground signalling line; And described dielectric layer tool one first side and a second relative side, described patterned conductive layer, distance-sensor and capacitor are all positioned at the first side of described dielectric layer.
In this embodiment, the current feed department that described the first conductive layer comprises one first Department of Radiation and described the first current feed terminal of a formation, described the second conductive layer comprises one and is parallel to the second Department of Radiation of described the first Department of Radiation and the branching portion of described the second current feed terminal of a formation; The peripheral circuit of described distance-sensor is electrically connected on described branching portion; And described dielectric layer can be made as a dielectric substrate that is independently arranged at described electronic installation inside, or directly the containment vessel of described electronic installation being used as to dielectric layer uses.
In the second preferred embodiment, described patterned conductive layer is provided with one group of the first conductive layer and one second conductive layer of forming coupling feed antenna, and described the first conductive layer has one first current feed terminal and is electrically connected with described signal feed-in line.
Described distance-sensor, has a peripheral circuit being electrically connected with described the second conductive layer and the electric capacity being electrically connected with described peripheral circuit and turns digital circuit, and be electrically connected described ground signalling line by described peripheral circuit; Described capacitor is situated between and is located between described peripheral circuit and ground signalling line; And dielectric layer tool one first side and a second relative side, described patterned conductive layer, distance-sensor and capacitor are all positioned at the first side of described dielectric layer.
In this embodiment, described the first conductive layer comprises one first Department of Radiation and and forms the current feed department of described the first current feed terminal, and described the second conductive layer comprises the second Department of Radiation and the branching portion being electrically connected with described peripheral circuit that is parallel to described the first Department of Radiation.And described dielectric layer can be made as a dielectric substrate that is independently arranged at described electronic installation inside equally, or directly the containment vessel of described electronic installation being used as to dielectric layer uses.
Though the enforcement structure of aforementioned two preferred embodiments has difference, but the operation principles of the two is identical, the utility model is in the time of a first frequency running, and described capacitor has the high impedance value of a formation open circuit, causes described the second conductive layer to use as the electrode for capacitors of described distance-sensor; And the utility model is in second frequency when running, described capacitor has the low impedance value of a formation short circuit, makes described the second conductive layer and the first conductive layer acting in conjunction formation coupling type antenna radiation conductor.Wherein, described first frequency is below 1MHZ, and described second frequency is more than 700MHZ.
The utility model has the advantage of coupling feed antenna and distance-sensor are merged to design jointly on same circuit board, improve antenna of the prior art and distance-sensor and be respectively the problem that volume that individual components causes is difficult to dwindle, effectively save space and cost of manufacture.In addition, the patterned conductive layer that distance-sensor connects, by capacitor and the design of manifold type patterned conductive layer, does not directly contact with ground signalling line, signal feed-in line, reduce the interference that inductor produces of adjusting the distance of antenna other parts, the effectively sensitivity of range of lift inductor.
Accompanying drawing explanation
Fig. 1 is that electronic installation of the prior art fixes up an aerial wire and the state diagram of distance-sensor;
Fig. 2 is antenna in Fig. 1 and the schematic diagram of distance-sensor;
Fig. 3 is the schematic diagram of another kind of electronic installation integral antenna structure of the prior art and distance-sensor;
Fig. 4 is the stereogram of the antenna structure in Fig. 3;
Fig. 5 is the schematic diagram of the utility model electronic installation internal radio communication circuit;
Fig. 6 is the schematic diagram of the utility model antenna structure the first preferred embodiment;
Fig. 7 is the schematic diagram that the utility model antenna structure capacitor under low frequency state is open-circuit condition;
Fig. 8 is the schematic diagram that the utility model antenna structure capacitor under high frequency state is short-circuit condition;
Fig. 9 is the schematic diagram of the utility model antenna structure the second preferred embodiment.
Description of reference numerals:
The main antenna of 10---; 11---distance-sensor; 20---antenna; 21---dielectric substrate; 22---capacitive distance inductor; 23---the first patterned conductive layer; 24---the second patterned conductive layer; 25---capacitor; 26---capacitor; 27---signal line; 28---ground path; 29---inductor; 30---antenna structure; 31---patterned conductive layer; 311---the first conductive layer; 312---the second conductive layer; 313---the first Department of Radiation; 314---current feed department; 315---the first current feed terminal; 316---the second Department of Radiation; 317---branching portion; 318---the second current feed terminal; 32---distance-sensor; 321---peripheral circuit; 322---electric capacity turns digital circuit; 33---capacitor; 34---dielectric layer; 341---the first side; 342---the second side; 40---electronic installation; 50---transmission line; 51---signal feed-in line; 52---ground signalling line; 60---transceiver circuit; 70---radio communication circuit.
Embodiment
For ease of further structure of the present utility model, use and feature thereof being had to the clearly full and accurate understanding of darker one deck and understanding, now enumerate preferred embodiment, coordinate accompanying drawing to be described in detail as follows:
As shown in Figure 5, the utility model antenna structure 30 is mainly arranged in an electronic installation 40, and coordinates a transmission line 50 to connect at least one transceiver circuit 60 jointly to use, to form a radio communication circuit 70 as transmission means.
Described electronic installation 40 generally can be desktop computer, notebook computer, flat computer, portable computer, game player, music player, Long-distance Control machine, global positioning system equipment (GPS) or hand-hold type or Worn type action equipment, as: mobile phone, wrist-watch, glasses, earphone, hang the miniature devices such as part from above.
Described transmission line 50 can be made as the not same state such as coaxial cable, microstrip transmission line, strip transmission line, and wherein said transmission line 50 comprises a signal feed-in line 51 and a ground signalling line 52 (as shown in Figure 6).
The first preferred embodiment as shown in Figure 6, the utility model antenna structure 30 mainly comprises a patterned conductive layer 31, a distance-sensor 32, a capacitor 33 and a dielectric layer 34, wherein, described patterned conductive layer 31 is provided with one group of the first conductive layer 311 and one second conductive layer 312 of forming coupling feed antenna, the current feed department 314 that described the first conductive layer 311 comprises one first Department of Radiation 313 and formation first current feed terminal 315, described the first current feed terminal 315 use are electrically connected with described signal feed-in line 51; And described the second conductive layer 312 comprises second Department of Radiation 316 and that is parallel to described the first Department of Radiation 313 and forms the branching portion 317 of the second current feed terminal 318, described the second current feed terminal 318 is for being electrically connected with described ground signalling line 52.
Described distance-sensor 32 has a peripheral circuit 321 being electrically connected with described the second conductive layer 312 and the electric capacity being electrically connected with described peripheral circuit 321 turns digital circuit 322 (Capacitance to Digital Circuit), as shown in the figure, the peripheral circuit 321 of described distance-sensor 32 is directly electrically connected on the branching portion 317 of described the second conductive layer 312.
Described capacitor 33 is arranged between described the second current feed terminal 318 and ground signalling line 52; And described dielectric layer 34 tool one first sides 341 and a second relative side 342, described patterned conductive layer 31, distance-sensor 32 and capacitor 33 are all positioned at the first side 341 of described dielectric layer 34, in diagram one preferred embodiment, described dielectric layer 34 is made as a dielectric substrate that is independently arranged at described electronic installation 40 inside.
As shown in Figure 7, when the first frequency (1MHZ below) of the utility model antenna structure 30 in relative low frequency operates, dotted line frame is established place as shown, described capacitor 33 have one be equivalent to open circuit (open circuit) high impedance value, cause described distance-sensor 32 that the second conductive layer 312 is directly used as electrode for capacitors, now, not effect between described the first conductive layer 311 and described the second conductive layer 312.
As shown in Figure 8, when the second frequency (more than 700MHZ) of the utility model antenna structure 30 in relative high frequency operates, described capacitor 33 has a low impedance value that is equivalent to short circuit (short circuit), makes described the second conductive layer 312 and the first conductive layer 311 actings in conjunction form coupling type antenna radiation conductors.
The utility model will be coupled feed-in patterned conductive layer 31 with distance-sensor 32 Joint Designings on same circuit board, allow a part for antenna structure 30 directly use as the electrode for capacitors of distance-sensor 32, can judge by the variation of measuring capacitance values whether external object is positioned near antenna structure 30.
If it is close to external object that distance-sensor 32 is not detectd side, the power of electronic installation 40 transmitting radio frequency signal that adopts will can not be restricted.But, if while having external object to exist near distance-sensor 32 detects, the power that reduces transmitting radio frequency signal is reduced to the electromagnetic radiation intensity near field, make electronic installation 40 in the time that user closely operates use, can meet the radiofrequency signal watt level that decree in effect regulations limit.
The second preferred embodiment as shown in Figure 9, the utility model antenna structure 30 comprises a patterned conductive layer 31, a distance-sensor 32, a capacitor 33 and a dielectric layer 34 equally, wherein said patterned conductive layer 31 is provided with one group of the first conductive layer 311 and one second conductive layer 312 of forming coupling feed antenna, the current feed department 314 that described the first conductive layer 311 comprises one first Department of Radiation 313 and formation first current feed terminal 315, described the first current feed terminal 315 is for being electrically connected with described signal feed-in line 51; And described the second conductive layer 312 comprises the second Department of Radiation 316 and a branching portion 317 that is parallel to described the first Department of Radiation 313.
Described distance-sensor 32 has a peripheral circuit 321 being electrically connected with described the second conductive layer 312 and the electric capacity being electrically connected with described peripheral circuit 321 turns digital circuit 322 (Capacitance to Digital Circuit), as shown in the figure, the peripheral circuit 321 of described distance-sensor 32 is except being electrically connected with the branching portion 317 of described the second conductive layer 312, and described peripheral circuit 321 is also electrically connected mutually with the ground signalling line 52 of described transmission line 50.
Described capacitor 33 is arranged between described peripheral circuit 321 and ground signalling line 52; And described dielectric layer 34 tool one first sides 341 and a second relative side 342; described patterned conductive layer 31, distance-sensor 32 and capacitor 33 are all positioned at the first side 341 of described dielectric layer 34; in diagram one preferred embodiment, described dielectric layer 34 uses as a containment vessel part for described electronic installation 40.
The difference part of itself and the first preferred embodiment is that described ground signalling line 52 is electrically connected on described capacitor 33 and peripheral circuit 321, but this circuit design difference does not affect the running of antenna structure 30.But under described first frequency (below 1MHZ) state, described capacitor 33 has equally one and is equivalent to the high impedance value of opening a way, and causes described distance-sensor 32 that the second conductive layer 312 is directly used as electrode for capacitors; And under described second frequency (more than 700MHZ) state, described capacitor 33 has a low impedance value that is equivalent to short circuit equally, make described the second conductive layer 312 and the first conductive layer 311 actings in conjunction form coupling type antenna radiation conductors.
Above illustrated embodiment is only not in a limitative way with the utility model for convenience of description; not from the utility model spirit category; be familiar with various Simple transformeds and modification that industry technical staff can do, all must include in the scope of the utility model patent protection.
Claims (9)
1. an antenna structure that comprises distance-sensor, be electrically connected on the common radio communication circuit that forms an electronic installation inside of at least one transceiver circuit by a transmission line, described transmission line has a signal feed-in line and ground signalling line, it is characterized in that: described antenna structure comprises:
One patterned conductive layer, be provided with one group of the first conductive layer and one second conductive layer that forms coupling feed antenna, described the first conductive layer has first current feed terminal being electrically connected with described signal feed-in line, and described the second conductive layer has second current feed terminal being electrically connected with described ground signalling line;
One distance-sensor, has a peripheral circuit being electrically connected with described the second conductive layer and the electric capacity being electrically connected with described peripheral circuit and turns digital circuit;
One capacitor, is arranged between described the second current feed terminal and ground signalling line; And
One dielectric layer, tool one first side and a second relative side, described patterned conductive layer, distance-sensor and capacitor are all positioned at the first side of described dielectric layer;
Wherein, described antenna structure is in the time of a first frequency running, and described capacitor has the high impedance value of a formation open circuit, causes described the second conductive layer to use as the electrode for capacitors of described distance-sensor; And described antenna structure is in second frequency when running, described capacitor has the low impedance value of a formation short circuit, makes described the second conductive layer and the first conductive layer acting in conjunction formation coupling type antenna radiation conductor.
2. the antenna structure that comprises distance-sensor according to claim 1, is characterized in that: described dielectric layer is the containment vessel of an independent dielectric substrate or described electronic installation.
3. the antenna structure that comprises distance-sensor according to claim 1, it is characterized in that: the current feed department that described the first conductive layer comprises one first Department of Radiation and described the first current feed terminal of a formation, described the second conductive layer comprises one and is parallel to the second Department of Radiation of described the first Department of Radiation and the branching portion of described the second current feed terminal of a formation.
4. the antenna structure that comprises distance-sensor according to claim 3, is characterized in that: the peripheral circuit of described distance-sensor is electrically connected on described branching portion.
5. the antenna structure that comprises distance-sensor according to claim 1, is characterized in that: described first frequency is below 1MHZ, and described second frequency is more than 700MHZ.
6. an antenna structure that comprises distance-sensor, be electrically connected on the common radio communication circuit that forms an electronic installation inside of at least one transceiver circuit by a transmission line, described transmission line has a signal feed-in line and ground signalling line, it is characterized in that: described antenna structure comprises:
One patterned conductive layer, is provided with one group of the first conductive layer and one second conductive layer that forms coupling feed antenna, and described the first conductive layer has first current feed terminal being electrically connected with described signal feed-in line;
One distance-sensor, has a peripheral circuit being electrically connected with described the second conductive layer and the electric capacity being electrically connected with described peripheral circuit and turns digital circuit, and be electrically connected described ground signalling line by described peripheral circuit;
One capacitor, is arranged between described peripheral circuit and ground signalling line; And
One dielectric layer, tool one first side and a second relative side, described patterned conductive layer, distance-sensor and capacitor are all positioned at the first side of described dielectric layer;
Wherein, described antenna structure is in the time of a first frequency running, and described capacitor has the high impedance value of a formation open circuit, causes described the second conductive layer to use as the electrode for capacitors of described distance-sensor; And described antenna structure is in second frequency when running, described capacitor has the low impedance value of a formation short circuit, makes described the second conductive layer and the first conductive layer acting in conjunction formation coupling type antenna radiation conductor.
7. the antenna structure that comprises distance-sensor according to claim 6, is characterized in that: described dielectric layer is the containment vessel of an independent dielectric substrate or described electronic installation.
8. the antenna structure that comprises distance-sensor according to claim 6, it is characterized in that: described the first conductive layer comprises one first Department of Radiation and and forms the current feed department of described the first current feed terminal, described the second conductive layer comprises the second Department of Radiation and the branching portion being electrically connected with described peripheral circuit that is parallel to described the first Department of Radiation.
9. the antenna structure that comprises distance-sensor according to claim 6, is characterized in that: described first frequency is below 1MHZ, and described second frequency is more than 700MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027925.0U CN203674391U (en) | 2014-01-16 | 2014-01-16 | Antenna structure comprising distance inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420027925.0U CN203674391U (en) | 2014-01-16 | 2014-01-16 | Antenna structure comprising distance inductor |
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| CN203674391U true CN203674391U (en) | 2014-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420027925.0U Expired - Fee Related CN203674391U (en) | 2014-01-16 | 2014-01-16 | Antenna structure comprising distance inductor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201459A (en) * | 2014-08-28 | 2014-12-10 | 深圳市可信华成通信科技有限公司 | Multi-band passive antenna in malicious environment |
| CN104795625A (en) * | 2014-01-16 | 2015-07-22 | 台湾立讯精密有限公司 | Antenna structure comprising distance sensor |
| CN106229614A (en) * | 2015-09-11 | 2016-12-14 | 耀登电通科技（昆山）有限公司 | proximity sensing type antenna device and antenna structure thereof |
| CN106654573A (en) * | 2017-01-24 | 2017-05-10 | 耀登电通科技（昆山）有限公司 | Radio-frequency antenna apparatus |
| CN108183330A (en) * | 2016-12-08 | 2018-06-19 | 台湾安洁电子股份有限公司 | The terminal installation of hybrid antenna with integration capacitance formula proximity sense |
-
2014
- 2014-01-16 CN CN201420027925.0U patent/CN203674391U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795625A (en) * | 2014-01-16 | 2015-07-22 | 台湾立讯精密有限公司 | Antenna structure comprising distance sensor |
| CN104201459A (en) * | 2014-08-28 | 2014-12-10 | 深圳市可信华成通信科技有限公司 | Multi-band passive antenna in malicious environment |
| CN104201459B (en) * | 2014-08-28 | 2017-12-15 | 深圳市可信华成通信科技有限公司 | A kind of multiband passive antenna under adverse circumstances |
| CN106229614A (en) * | 2015-09-11 | 2016-12-14 | 耀登电通科技（昆山）有限公司 | proximity sensing type antenna device and antenna structure thereof |
| CN108183330A (en) * | 2016-12-08 | 2018-06-19 | 台湾安洁电子股份有限公司 | The terminal installation of hybrid antenna with integration capacitance formula proximity sense |
| CN106654573A (en) * | 2017-01-24 | 2017-05-10 | 耀登电通科技（昆山）有限公司 | Radio-frequency antenna apparatus |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20140625 Termination date: 20170116 |