CN204424445U - There is the Anneta module of detecting one object proximity function - Google Patents
There is the Anneta module of detecting one object proximity function Download PDFInfo
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- CN204424445U CN204424445U CN201520154434.7U CN201520154434U CN204424445U CN 204424445 U CN204424445 U CN 204424445U CN 201520154434 U CN201520154434 U CN 201520154434U CN 204424445 U CN204424445 U CN 204424445U
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Abstract
The utility model discloses a kind of Anneta module with detecting one object proximity function, comprise antenna, first sensor chip, parasitic radiation arm and the second sensor chip, described antenna comprises grounding parts and feed-in radiating element, described feed-in radiating element comprises signal load point, be connected to short circuit arm and the Department of Radiation of described grounding parts, described first sensor chip connects described short circuit arm, described parasitic radiation arm comprises free end and is connected to the link of described grounding parts, described first sensor chip connects described parasitic radiation arm, described second sensor chip connects described antenna and described parasitic radiation arm.The utility model by antenna and the integrated design of the first sensor chip, but simultaneously can separately perform respective function, saves overall design space, is conducive to the downsizing of modern running gear, simultaneously can production integration, effectively reduces production cost.
Description
Technical field
The utility model relates to a kind of Anneta module, particularly relates to a kind of Anneta module with detecting one object proximity function, has the Anneta module whether having an object proximity around antenna transmission-receiving function and detecting concurrently.
Background technology
Consult Fig. 1, in prior art, whether be used for detecting has object 400 (such as hand or the number of people) to be exactly arrange proximity transducer 3 near described antenna 100 close to the way of antenna 100, described antenna 100 comprises grounding parts 4 and feed-in radiating element 5, described proximity transducer 3 comprises sheet metal 31, and is electrically connected to the sensor chip 32 of described sheet metal 31.When described object 400 is near described sheet metal 31, the capacitance forming equivalent capacity Ce between described sheet metal 31 and described object 400 will produce change, capacitance namely around described sheet metal 31 produces and changes, and when described capacitance is less than preset value, the sensing signal that described sensor chip 32 exports just remains on the first logic level, and when described capacitance is greater than described preset value, the sensing signal that described sensor chip 32 exports is then the second logic level.Therefore, whether described sensor chip 32 just can be utilized to differentiate has described object 400 close to described antenna 100, and when there being described object 400 close to described antenna 100, just can downgrade the power of the radio-frequency (RF) signal being sent to described antenna 100 accordingly, if the power of described radio-frequency (RF) signal just can be kept without described object 400 to be set size close to during described antenna 100, and the benefit designed like this is to take into account communication quality and by the related specifications of specific absorption ratio.
But this exist following shortcoming by described antenna 100 with the design of described proximity transducer 3 independent separate:
1, described sheet metal 31 additionally needs a space, therefore increases small product size;
2, described sheet metal 31 does not belong to a part for the described feed-in radiating element 5 of described antenna 100, after described antenna 100 has designed, described sheet metal 31 likely can affect described antenna 100 makes its resistance value depart from design originally, and produces the problem of impedance mismatch.
Summary of the invention
The utility model object is: provide a kind of Anneta module with detecting one object proximity function, by antenna and the integrated design of the first sensor chip, saves overall design space, effectively reduces production cost.
The technical solution of the utility model is: a kind of Anneta module with detecting one object proximity function, comprise antenna and the first sensor chip, described antenna comprises grounding parts and feed-in radiating element, described feed-in radiating element comprises signal load point and is connected to the short circuit arm of described grounding parts, and described first sensor chip connects described short circuit arm.
Further, also comprise parasitic radiation arm, described parasitic radiation arm comprises free end and the link being connected described grounding parts, and described first sensor chip connects described parasitic radiation arm.
Further, also comprise the second sensor chip, described second sensor chip connects described antenna and described parasitic radiation arm.
Further, described feed-in radiating element also comprises Department of Radiation.
Further, comprise antenna and the first sensor chip, described antenna comprises grounding parts, feed-in radiating element and the first parasitic radiation arm, described feed-in radiating element comprises signal load point, the contiguous described feed-in radiating element in described first parasitic radiation arm compartment of terrain, described first parasitic radiation arm comprises the first free end and is connected to the first link of described grounding parts, and described first sensor chip connects described first parasitic radiation arm.
Further, also comprise the second parasitic radiation arm, the contiguous described feed-in radiating element in compartment of terrain, described second parasitic radiation arm comprises the second free end and is connected to the second link of described grounding parts, described first parasitic radiation arm, described feed-in radiating element and described second parasitic radiation arm are spaced on first direction, described feed-in radiating element is between described first parasitic radiation arm and described second parasitic radiation arm, and described first sensor chip connects described second parasitic radiation arm.
Further, also comprise the second sensor chip, described second sensor chip connects described antenna and described second parasitic radiation arm.
The utility model has the advantages that: the utility model is by antenna and the integrated design of the first sensor chip, but can separately perform respective function simultaneously, save overall design space, be conducive to the downsizing of modern running gear, simultaneously can production integration, effectively reduce production cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the configuration schematic diagram of antenna and proximity transducer in prior art;
Fig. 2 is the schematic diagram of the first preferred embodiment of the present utility model;
Fig. 3 is described first preferred embodiment in conjunction with the schematic diagram of controller and power amplifier;
Fig. 4 produces the schematic diagram of electric capacity for the first preferred embodiment described in object proximity;
Fig. 5 is the schematic diagram of the second preferred embodiment of the present utility model;
Fig. 6 is the schematic diagram of the 3rd preferred embodiment of the present utility model;
Fig. 7 is the schematic diagram of the 4th preferred embodiment of the present utility model;
Fig. 8 is the schematic diagram of the 5th preferred embodiment of the present utility model;
Fig. 9 is the schematic diagram of the 6th preferred embodiment of the present utility model;
Figure 10 is the schematic diagram of the 7th preferred embodiment of the present utility model;
Figure 11 is the schematic perspective view of described 7th preferred embodiment.
Wherein: 100, antenna, 3, proximity transducer, 31, sheet metal, 32, sensor chip, 4, grounding parts, 5, feed-in radiating element, 51, signal load point, 52, short circuit arm, 53, Department of Radiation, 6, the first sensor chip, 200, controller, 300, power amplifier, 400, object, 7, parasitic radiation arm, 71, free end, 72, link, the 8, second sensor chip, 9, the first parasitic radiation arm, 91, the first free end, the 92, first link, the 11, second parasitic radiation arm, 111, the second free end, the 112, second link.
Embodiment
Embodiment:
Consult Fig. 2, a kind of Anneta module with detecting one object proximity function, first preferred embodiment comprises antenna 100 and the first sensor chip 6, described antenna 100 comprises grounding parts 4 and feed-in radiating element 5, described feed-in radiating element 5 has the short circuit arm 52 that signal load point 51 and entity are connected to described grounding parts 4, and described feed-in radiating element 5 at least resonates in the first resonance frequency, described first sensor chip 6 entity connects described short circuit arm 52, during in order to detect object 400 close to described antenna 100, result from the change of the capacitance between described object 400 and described antenna 100.
Described antenna 100 is inverted F shaped antennas, described first sensor chip 6 detects described capacitance when being greater than preset value, its sensing signal exported is the first logic level, described first sensor chip 6 detects described capacitance when being less than described preset value, and its described sensing signal exported is the second logic level.
Consult Fig. 3 and Fig. 4, the operation principles of described first sensor chip 6 is: when described object 400 is more close to described feed-in radiating element 5, the described capacitance of the electric capacity C then formed between described object 400 and described feed-in radiating element 5 will be larger, and described capacitance is when arriving greatly described preset value, namely described object 400 is represented enough in described feed-in radiating element 5, described sensing signal is made to be switched to high logic level (the first logic level) from low logic level (the second logic level), and when the controller 200 being electrically connected to described first sensor chip 6 detect described sensing signal be switched to high logic level from low logic level time, the power amplifier 300 that namely described controller 200 controls transmission of electromagnetic signals reduces the power of described electromagnetic signal, such effect is: if described object 400 is parts of human body, such as head, then head will reduce close to the power of described electromagnetic signal during described feed-in radiating element 5, otherwise, when head just can increase back original set point to maintain preferably communication quality away from the power of described electromagnetic signal during described feed-in radiating element 5.
Consult Fig. 5, the second preferred embodiment and described first preferred embodiment are similar to, and difference is: also comprise parasitic radiation arm 7, and described first sensor chip 6 is gone back entity and connected described parasitic radiation arm 7.The contiguous described feed-in radiating element 5 in described parasitic radiation arm 7 compartment of terrain is to intercouple and in order to second resonance frequency that resonates out, and described parasitic radiation arm 7 comprises free end 71, and entity is connected to the link 72 of described grounding parts 4, described parasitic radiation arm 7 bends L-shaped substantially, and described feed-in radiating element 5 is overlapping with described parasitic radiation arm 7 compartment of terrain on first direction X, described grounding parts 4 overlaps with described feed-in radiating element 5 Y in second direction, described grounding parts 4 overlaps with described parasitic radiation arm 7 Y in described second direction, described first direction X is substantially perpendicular to described second direction Y.
Consult Fig. 6,3rd preferred embodiment and described second preferred embodiment are similar to, difference is: described 3rd preferred embodiment also comprises the second sensor chip 8, and described first sensor chip 6 and described second sensor chip 8 respectively entity be electrically connected on described feed-in radiating element 5 and described parasitic radiation arm 7, and described second sensor chip 8 also in order to detect described object 400 close to described antenna 100 time, result from the change of the described capacitance between described thing 400 and described antenna 100.
Described second sensor chip 8 detects described capacitance when being greater than preset value, the sensing signal that described second sensor chip 8 exports is described first logic level, described second sensor chip 8 detects described capacitance when being less than described preset value, and the described sensing signal that described second sensor chip 8 exports is described second logic level.
Described 3rd preferred embodiment is removed to detect described object 400 with described first sensor chip 6 and described second sensor chip 8 simultaneously and is close to the effect of the described capacitance produced during described antenna 100: even if described first sensor chip 6 and described second sensor chip 8 are identical chips, but the position that two that are but electrically connected on described antenna 100 are respectively different, therefore the result of two sensing signals of described first sensor chip 6 and described second sensor chip 8 output is but likely different, therefore adopt the benefit of described first sensor chip 6 and described second sensor chip 8 to be simultaneously: can confirm to improve described object 400 alternately whether close to the correctness of described antenna 100 with two sensing signals.
For example, if the sensing signal such as described that described first sensor chip 6 and described second sensor chip 8 export is all described first logic level, then differentiate that described object 400 is close to described antenna 100, if one of them of described two sensing signals is the first logic level, another is the second logic level, then differentiate that described object 400 is away from described antenna 100.
Consult Fig. 7, 4th preferred embodiment comprises antenna 100 and the first sensor chip 6, described antenna 100 comprises grounding parts 4, feed-in radiating element 5 and the first parasitic radiation arm 9, described feed-in radiating element 5 has signal load point 51, and described feed-in radiating element 5 at least resonates in the first resonance frequency and the second resonance frequency, the contiguous described feed-in radiating element 5 in described first parasitic radiation arm 9 compartment of terrain is to intercouple and the 3rd resonance frequency that resonates out, and described first parasitic radiation arm 9 comprises the first free end 91, and entity is connected to the first link 92 of described grounding parts 4, described first sensor chip 6 entity is connected to described first parasitic radiation arm 9, during in order to detect an object 400 close to described antenna 100, result from the change of the capacitance between described object 400 and described antenna 100.
Consult Fig. 8, the 5th preferred embodiment of the present utility model and described 4th preferred embodiment are similar to, and difference is: also comprise the second parasitic radiation arm 11, and described first sensor chip 6 is gone back entity and is electrically connected on described second parasitic radiation arm 11.
The contiguous described feed-in radiating element 5 in described second parasitic radiation arm 11 compartment of terrain is to intercouple and the 4th resonance frequency that resonates out, and described second parasitic radiation arm 11 comprises the second free end 111, and entity is connected to the second link 112 of described grounding parts 4, and described first parasitic radiation arm 9, described feed-in radiating element 5 and described second parasitic radiation arm 11 are spaced on first direction X, and described feed-in radiating element 5 is between described first parasitic radiation arm 9 and described second parasitic radiation arm 11.
Consult Fig. 9, the 6th preferred embodiment and described 5th preferred embodiment are similar to, and difference is: described 6th preferred embodiment also comprises the second sensor chip 8.Described second sensor chip 8 entity is electrically connected on described antenna 100 and described second parasitic radiation arm 11, time also in order to detect described object 400 close to described antenna 100, results from the change of the described capacitance between described object 400 and described antenna 100.
Consult Figure 10,7th preferred embodiment and described second preferred embodiment are similar to, difference is: described antenna 100 is coupling type antennas, and described feed-in radiating element 5 have more be coupled to described short circuit arm 52 and to third direction Z extend Department of Radiation 53, consult Figure 11, described Department of Radiation 53 can be used for increasing radiation intensity, and the described signal load point 51 of described feed-in radiating element 5 does not have entity to be connected to described Department of Radiation 53 and described short circuit arm 52, but inductive coupling is between described Department of Radiation 53 and described short circuit arm 52.
Described first sensor chip 6 entity is electrically connected on described antenna 100 and described parasitic radiation arm 7.When described first sensor chip 6 is in order to detect described object 400 close to described antenna 100 and described parasitic radiation arm 7, described object 400 corresponds respectively to the change of capacitance respective between described antenna 100 and described parasitic radiation arm 7, and the sensing signal exporting corresponding capacitance variation is according to this to indicate described object 400 whether close to described antenna 100 or described parasitic radiation arm 7 or the two one of them.The operation principles of described first sensor chip 6 is similar in appearance to above-described embodiment again, therefore no longer repeats.
In sum, described first sensor chip 6 of aforementioned preferred embodiment and described second sensor chip 8 are all that entity is electrically connected to described antenna 100, so shortcoming prior art being avoided need to add described sheet metal 31 in addition produce, therefore really the purpose of this utility model can be reached.
Certain above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All modifications done according to the Spirit Essence of the utility model main technical schemes, all should be encompassed within protection range of the present utility model.
Claims (7)
1. one kind has the Anneta module of detecting one object proximity function, it is characterized in that: comprise antenna (100) and the first sensor chip (6), described antenna (100) comprises grounding parts (4) and feed-in radiating element (5), described feed-in radiating element (5) comprises signal load point (51) and is connected to the short circuit arm (52) of described grounding parts (4), and described first sensor chip (6) connects described short circuit arm (52).
2. the Anneta module with detecting one object proximity function according to claim 1, it is characterized in that: also comprise parasitic radiation arm (7), described parasitic radiation arm (7) comprises free end (71) and the link (72) being connected described grounding parts (4), and described first sensor chip (6) connects described parasitic radiation arm (7).
3. the Anneta module with detecting one object proximity function according to claim 2, it is characterized in that: also comprise the second sensor chip (8), described second sensor chip (8) connects described antenna (100) and described parasitic radiation arm (7).
4. the Anneta module with detecting one object proximity function according to claim 2, is characterized in that: described feed-in radiating element (5) also comprises Department of Radiation (53).
5. one kind has the Anneta module of detecting one object proximity function, it is characterized in that: comprise antenna (100) and the first sensor chip (6), described antenna (100) comprises grounding parts (4), feed-in radiating element (5) and the first parasitic radiation arm (9), described feed-in radiating element (5) comprises signal load point (51), described first parasitic radiation arm (9) comprises the first free end (91) and the first link (92) being connected described grounding parts (4), described first sensor chip (6) connects described first parasitic radiation arm (9).
6. the Anneta module with detecting one object proximity function according to claim 5, it is characterized in that: also comprise the second parasitic radiation arm (11), described second parasitic radiation arm (11) comprises the second free end (111) and the second link (112) being connected described grounding parts (4), described first parasitic radiation arm (9), described feed-in radiating element (5) and described second parasitic radiation arm (11) are spaced on first direction, described feed-in radiating element (5) is positioned between described first parasitic radiation arm (9) and described second parasitic radiation arm (11), described first sensor chip (6) connects described second parasitic radiation arm (11).
7. the Anneta module with detecting one object proximity function according to claim 6, it is characterized in that: also comprise the second sensor chip (8), described second sensor chip (8) connects described antenna (100) and described second parasitic radiation arm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154434.7U CN204424445U (en) | 2015-03-18 | 2015-03-18 | There is the Anneta module of detecting one object proximity function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520154434.7U CN204424445U (en) | 2015-03-18 | 2015-03-18 | There is the Anneta module of detecting one object proximity function |
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| CN204424445U true CN204424445U (en) | 2015-06-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092009A (en) * | 2018-01-19 | 2018-05-29 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| CN108493576A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Antenna module, electronic equipment and antenna switching method |
-
2015
- 2015-03-18 CN CN201520154434.7U patent/CN204424445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092009A (en) * | 2018-01-19 | 2018-05-29 | 广东欧珀移动通信有限公司 | Antenna module and electronic equipment |
| CN108493576A (en) * | 2018-03-12 | 2018-09-04 | 广东欧珀移动通信有限公司 | Antenna module, electronic equipment and antenna switching method |
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