CN208889834U - A kind of drop SAR antenna and a kind of communication equipment - Google Patents
A kind of drop SAR antenna and a kind of communication equipment Download PDFInfo
- Publication number
- CN208889834U CN208889834U CN201821517951.6U CN201821517951U CN208889834U CN 208889834 U CN208889834 U CN 208889834U CN 201821517951 U CN201821517951 U CN 201821517951U CN 208889834 U CN208889834 U CN 208889834U
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- antenna
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- irradiation unit
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Abstract
The utility model discloses a kind of drop SAR antennas, including antenna part, feeding point and grounding point, wherein the antenna part includes the current feed department for connecting feeding point, the grounding parts for connecting grounding point, aerial radiation portion and adjusts irradiation unit；The aerial radiation portion includes equipment metal edge frame, and the current feed department is connect by metallic circuit with the metal edge frame, and then parasitic resonance signal out；The adjusting irradiation unit is connect with the metal edge frame, to receive the radiation energy of the metal edge frame.
Description
Technical field
The utility model relates to the communications field more particularly to a kind of drop SAR antenna and a kind of leading to drop SAR antenna
Believe equipment.
Background technique
Miniaturized multiband built-in antenna is always the developing direction of hand-held communication terminal antenna.Existing antenna form packet
It includes multi-frequency monopole sub-antenna (monopole antenna), monocycle or double loop antenna (single loop and dual loop
Antenna), inverted folded antenna (IFA), planar inverted folded antenna (PIFA) these antenna type are logical in different holding
The condition and performance for respectively thering is it to use in letter terminal environments.It can choose different antenna forms according to different requirements.
Usual mobile terminal device includes GSM850/900, DCS, PCS, UMTS, frequency range
0.824GHz-0.96GHz, 1.71GHz-2.17GHz.With the continuous development of LTE technology, 3.5GHz, 4GHz are standby
The concerned more and more mobile phones of need antenna while meeting traditional 2G network frequency range and LTE frequency range, but the thickness of mobile phone is got over
Come it is thinner, to Antenna Design require it is also higher and higher, traditional antenna is difficult to reach the requirement of client.The hair of the mobile terminals such as mobile phone
It opens up more and more diversified.Since becket mobile phone is most of using becket as antenna radiator, the antenna of this form is to people
The radiation of body greatly increases, and some required standards may be not achieved in different layout environments.
Therefore, based on the above reasons, it is necessary to which a kind of antenna that can reduce radiation is provided.
Utility model content
The utility model provides a kind of drop SAR antenna and a kind of communication equipment, to solve becket in the prior art
Mobile phone is most of using becket as antenna radiator, to greatly increase the radiation to human body, and in different layout rings
A little required standards may be not achieved in border.
To achieve the above object, the utility model the following technical schemes are provided:
A kind of drop SAR antenna, including antenna part, feeding point and grounding point, wherein the antenna part includes connection feeding point
Current feed department, connect the grounding parts of grounding point, aerial radiation portion and adjust irradiation unit；
The aerial radiation portion includes equipment metal edge frame, and the current feed department is connected by metallic circuit and the metal edge frame
It connects, and then parasitic resonance signal out；
The adjusting irradiation unit is connect with the metal edge frame in the aerial radiation portion, to receive the metal edge frame
Radiation energy.
In certain embodiments, the aerial radiation portion further includes a transmitting antenna, the transmitting antenna with it is described
Adjust irradiation unit connection.
In certain embodiments, the metal edge frame is the three-stage structure for being provided with two gaps, the antenna spoke
The portion of penetrating is arranged on the metal edge frame between two gaps.
In certain embodiments, the transmitting antenna includes fixing piece, the transmitting antenna is fixed on described
On metal edge frame, by adjusting the fixing piece to change antenna frequencies and impedance operator.
In certain embodiments, the adjusting irradiation unit connects with the metal edge frame and the transmitting antenna respectively
It connects, and changes the effect of drop SAR by adjusting the shapes and sizes for adjusting irradiation unit.
This programme additionally provides a kind of communication equipment, including metal shell and one of above-mentioned drop SAR antenna,
The drop SAR antenna includes antenna part, feeding point and grounding point, and the antenna part includes the feedback for connecting feeding point
Electric portion, the grounding parts for connecting grounding point, aerial radiation portion and adjusting irradiation unit；
The aerial radiation portion includes equipment metal edge frame, and the current feed department is connected by metallic circuit and the metal edge frame
It connects, and then parasitic resonance signal out；
The adjusting irradiation unit is connect with the metal edge frame in the aerial radiation portion, to receive the metal edge frame
Radiation energy；
The radiating antenna is connect by a route with the control device in communication equipment.
In certain embodiments, the control device include sequentially connected reactance device, electrical connector and
Control interface, the radiating antenna are connect with the reactance device.
In certain embodiments, the control device includes electrical connector and control interface, the reactor
Part is integrally disposed on the electrical connector, and the radiating antenna is connect with the electrical connector.
In certain embodiments, the electrical fitting is to have radio frequency ground connection with on-off radiofrequency signal, inside
The device at end forms complete signal circuit, the electrical fitting is also equipped with control interface, is used for for being connected with pcb board
It is interconnected with mobile terminal signal.
By using above-mentioned technical proposal, have the advantages that it compared with prior art
This programme is conducive to the sky saved in equipment using the metal shell of equipment as a part in aerial radiation portion
Between, in order to reduce radiation of the device bezel to human body, this programme is provided with adjusting irradiation unit in shell, adjusts irradiation unit and hair
Antenna connection is penetrated, the adjustable amplitude and effect for reducing SAR of size length of irradiation unit is adjusted by changing.This part
Introducing the problem of capable of making current metal frame antenna bottom SAR be improved significantly, this scheme laboratory test results is in radiation function
Under the premise of rate does not decline, SAR decline is obvious.
Transmitting antenna is fixed on the metal frame of equipment by fixing piece, and fixing piece is special for adjusting antenna frequencies and impedance
Property, it is specific to implement that screw is used, flexible adjustment is not only introduced in this way, while playing the role of reinforcing in structure.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model antenna and part metals frame；
Fig. 2 is the cross section structure schematic diagram of the utility model antenna and part metals frame；
Fig. 3 is a kind of communication apparatus construction schematic diagram of the utility model；
The first electric connecting mode of Fig. 4 the utility model；
Second of electric connecting mode of Fig. 5 the utility model；
Fig. 6 the utility model antenna frequencies response diagram；
Fig. 7 the utility model antenna efficiency by inputoutput test figure；
Fig. 8 the utility model antenna surveys SAR figure.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.According to following explanation and power
The advantages of sharp claim, the utility model and feature will become apparent from.It should be noted that attached drawing be all made of very simplified form and
Non-accurate ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
A kind of drop SAR antenna, including antenna part, feeding point and grounding point, antenna part include connect feeding point current feed department,
Connect grounding parts, aerial radiation portion and the adjusting irradiation unit of grounding point；The aerial radiation portion includes equipment metal edge frame,
The current feed department is connect by metallic circuit with the metal edge frame, and then parasitic resonance signal out；The adjusting irradiation unit with
The metal edge frame connection, and there is certain angle between the adjusting irradiation unit and the metal edge frame.
Specifically, Fig. 1 and Fig. 2 are please referred to, metal edge frame including equipment and the antenna structure being equipped with frame,
Wherein, it is respectively gap 213 and gap 214 that two gaps are provided on the metal edge frame of equipment, and two gaps are by device bezel
It is divided into three sections, respectively frame 211, frame 210 and frame 212, wherein antenna structure is arranged on frame 210, day knot
Structure includes current feed department 201 and the transmitting antenna that connect with current feed department 201, wherein transmitting antenna include antenna body 203 and
Be respectively used to the fixing piece 204 and fixing piece 205 antenna body 203 being fixed on metal edge frame, in one embodiment,
Fixing piece 204 and fixing piece 205 can be used screw and be fixed, and by adjusting the position of screw, make radiator electrical length and shape
Shape is changed, so as to adjust the frequency and impedance operator of antenna.
Antenna body 203 is connect by a metallic circuit 202 with current feed department 201, further through fixing piece 204 and fixing piece
205 connect with metal edge frame 210, and antenna body 203 is connected in the signaling control unit in equipment by metallic circuit 208,
Complete radiant loop is formed, metal edge frame 211 and metal edge frame 212 can go out resonance in high-frequency parasitic.
Antenna structure in this programme further includes an adjusting irradiation unit 206, adjusts irradiation unit 206 and passes through a fixing piece 207
It is fixed on metal edge frame 210, the other end for adjusting irradiation unit 206 is connect with transmitting antenna 203, adjusts irradiation unit 206 and gold
Belonging to can have certain angle between frame 210, by adjusting the position of fixing piece 207 and adjusting the size of irradiation unit 206
Size length can effectively adjust the amplitude and effect of drop SAR, because adjusting the introducing of irradiation unit 206, make bottom SAR heat-flash point quilt
It assigns to and adjusts on irradiation unit 206, become the weak hot spot of two or more SAR from a SAR heat-flash point, so that playing reduces SAR
Effect, by introduce adjust irradiation unit 206 so that the problem of the SAR of metal frame antenna bottom be improved significantly.The tune
The shape of section irradiation unit 206 is not specifically limited, and can be configured according to the actual conditions in equipment, such as can be various rule
Then or the sheet metal of irregular shape, near antenna, final purpose is dispersion SAR heat for setting vertically, horizontally or diagonally
Point, therefore the change of shape and structure should all be fallen into the protection scope of the utility model.
This programme additionally provides a kind of communication equipment with above-mentioned antenna, as shown in figure 3, the equipment includes handheld terminal
PCB (Printed circuit board) plate 100 and the metal outer frame 101 that is attached thereto, metal outer frame 102, metal outer frame
103 and antenna 200 constituted.Antenna 200 is located at 100 one end of pcb board and its upper space, and in the present embodiment, antenna is located at
It is less than or equal to 3mm height above pcb board 100, the space of headroom 5mm, preferably 100 width 75mm length of pcb board are 155mm.Gold
Belong to route 208 to be connected with reactance device 301, reactance device is inductance device in the utility model embodiment, according to part 208
Position reactance device 301 can be capacitive character or resistive device, reactance device 301 connect with an electrical fitting 302,
Wherein, electrical fitting 302 is the device with on-off radiofrequency signal, RF switch pipe or PIN diode etc., such devices
Inside there is radio frequency ground terminal, for being connected with pcb board 100, forms complete signal circuit.Device 302 is provided simultaneously with control and connects
Mouth 303, the interface 303 are used to interconnect with mobile terminal signal, as shown in Figure 4.
In another embodiment, electrical fitting 302 is integrally disposed on reactance device 301, the metal wire in antenna 200
Road 208 is directly connected with electrical fitting 302, preferably to save the space in Space Facilities, as shown in Figure 5.
Further, Fig. 6 to Fig. 8 is please referred to, laboratory test results do not decline in radiant power in this embodiment
Under the premise of, SAR decline is obvious.
Fig. 6 is that drop SAR adjusting 206 front and back frequency response comparison diagram of irradiation unit, this figure electricity is added in the utility model embodiment
Gas connector 302 is under fixed capacity device, and the present embodiment stresses drop SAR method so only selecting the frequency under some state
Rate response diagram does comparison reference, sees that drop SAR, which is added, adjusts the effect after radiator, other electrical switching states are not being said one by one
It is bright.By adjusting different inductance capacitance device values, can satisfy from 700MHz~960MHz, 1710MHz~2690MHz high band
Wide requirement.
Fig. 7 is that efficiency test figure before and after drop SAR adjusting radiator is added in the utility model embodiment, as can be seen from FIG.,
After drop SAR adjusting radiator is added, big variation does not occur for antenna efficiency.
Fig. 8 is the actual measurement comparison diagram that the utility model embodiment is added that drop SAR debugs SAR before and after radiator, can from figure
See, after drop SAR adjusting radiator is added, SAR decline 50% or so.
Therefore, SAR can be effectively reduced in the case where not influencing antenna power for this programme, reduce the radiation to human body.
It should be appreciated that the antenna 200 in above scheme is not limited to a certain specific dimensions, there can also be other variations
Example.Such as the adjustment of the width x length view concrete condition of transmitting antenna 203, fixing piece 204 and fixing piece 205, fixing piece 207
The length of change in location, the size variation in gap 213 and gap 214, metal edge frame 211 and metal edge frame 212 changes, and drops SAR
The size variation for adjusting irradiation unit 206, can all be adjusted as the case may be.
This programme is conducive to the sky saved in equipment using the metal shell of equipment as a part in aerial radiation portion
Between, in order to reduce radiation of the device bezel to human body, this programme is provided with adjusting irradiation unit in shell, adjusts irradiation unit and hair
Antenna connection is penetrated, the adjustable amplitude and effect for reducing SAR of size length of irradiation unit is adjusted by changing.This part
Introducing the problem of capable of making current metal frame antenna bottom SAR be improved significantly, this scheme laboratory test results is in radiation function
Under the premise of rate does not decline, SAR decline is obvious.
Transmitting antenna is fixed on the metal frame of equipment by fixing piece, and fixing piece is special for adjusting antenna frequencies and impedance
Property, it is specific to implement that screw is used, flexible adjustment is not only introduced in this way, while playing the role of reinforcing in structure.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to
Above embodiment.Even if to the utility model, various changes can be made, if these variations belong to the utility model claims
And its within the scope of equivalent technologies, then still fall among the protection scope of the utility model.
Claims (9)
1. a kind of drop SAR antenna, including antenna part, feeding point and grounding point, which is characterized in that the antenna part includes connection feedback
The current feed department of electricity point, the grounding parts for connecting grounding point, aerial radiation portion and adjusting irradiation unit；
The aerial radiation portion includes equipment metal edge frame, and the current feed department is connect by metallic circuit with the metal edge frame,
And then parasitic resonance signal out；
The adjusting irradiation unit is connect with the metal edge frame in the aerial radiation portion, to receive the radiation of the metal edge frame
Energy.
2. a kind of drop SAR antenna according to claim 1, which is characterized in that the aerial radiation portion further includes a transmitting
Antenna, the transmitting antenna are connect with the adjusting irradiation unit.
3. a kind of drop SAR antenna according to claim 2, which is characterized in that the metal edge frame is to be provided with two seams
The three-stage structure of gap, the aerial radiation portion are arranged on the metal edge frame between two gaps.
4. a kind of drop SAR antenna according to claim 3, which is characterized in that the transmitting antenna includes fixing piece, will
The transmitting antenna is fixed on the metal edge frame, and it is special to change antenna frequencies and impedance by adjusting the fixing piece
Property.
5. a kind of drop SAR antenna according to claim 4, which is characterized in that the adjusting irradiation unit respectively with the gold
Belong to frame and transmitting antenna connection, and by adjusting the shapes and sizes for adjusting irradiation unit to change drop SAR
Effect.
6. a kind of communication equipment, including metal shell, which is characterized in that including a kind of drop SAR antenna,
The drop SAR antenna includes antenna part, feeding point and grounding point, and the antenna part includes the feed for connecting feeding point
Portion, the grounding parts for connecting grounding point, aerial radiation portion and adjusting irradiation unit；
The aerial radiation portion includes equipment metal edge frame, and the current feed department is connect by metallic circuit with the metal edge frame,
And then parasitic resonance signal out；
The adjusting irradiation unit is connect with the metal edge frame in the aerial radiation portion, to receive the radiation of the metal edge frame
Energy；The aerial radiation portion further includes a transmitting antenna；The transmitting antenna passes through the control in a route and communication equipment
Device connection.
7. a kind of communication equipment according to claim 6, which is characterized in that the control device includes sequentially connected electricity
Resistant to device, electrical fitting and control interface, the transmitting antenna are connect with the reactance device.
8. a kind of communication equipment according to claim 6, which is characterized in that the control device include electrical fitting with
And control interface, reactance device are integrally disposed on the electrical fitting, the transmitting antenna and the electrical fitting connect
It connects.
9. a kind of communication equipment according to claim 7 or 8, which is characterized in that the electrical fitting is with on-off
Radiofrequency signal, the internal device with radio frequency ground terminal, are used to be connected with pcb board, form complete signal circuit, described electrical
Connector is also equipped with control interface, for interconnecting with mobile terminal signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517951.6U CN208889834U (en) | 2018-09-17 | 2018-09-17 | A kind of drop SAR antenna and a kind of communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517951.6U CN208889834U (en) | 2018-09-17 | 2018-09-17 | A kind of drop SAR antenna and a kind of communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208889834U true CN208889834U (en) | 2019-05-21 |
Family
ID=66512672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821517951.6U Expired - Fee Related CN208889834U (en) | 2018-09-17 | 2018-09-17 | A kind of drop SAR antenna and a kind of communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208889834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119748A (en) * | 2018-09-17 | 2019-01-01 | 上海安费诺永亿通讯电子有限公司 | A kind of drop SAR antenna and a kind of communication equipment |
-
2018
- 2018-09-17 CN CN201821517951.6U patent/CN208889834U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119748A (en) * | 2018-09-17 | 2019-01-01 | 上海安费诺永亿通讯电子有限公司 | A kind of drop SAR antenna and a kind of communication equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190521 Termination date: 20200917 |