CN204205045U - The structure of slot antenna - Google Patents
The structure of slot antenna Download PDFInfo
- Publication number
- CN204205045U CN204205045U CN201420524637.6U CN201420524637U CN204205045U CN 204205045 U CN204205045 U CN 204205045U CN 201420524637 U CN201420524637 U CN 201420524637U CN 204205045 U CN204205045 U CN 204205045U
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- China
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- antenna
- slotted eye
- metal level
- slot antenna
- type groove
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- 239000002184 metal Substances 0.000 claims abstract description 42
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of structure of slot antenna, and it comprises a substrate layer and a metal level.This metal level is arranged at one of this substrate layer on the surface, and wherein this metal level is provided with the Openworks shape U-type groove hole that runs through this metal level, and the wherein one end in this U-type groove hole then extends to the edge of this metal level, makes this edge produce an opening.On be set forth in antenna a slotted eye be set, and this slotted eye is designed to U-shaped structure, the overall dimensions of this antenna can be reduced, but therefore the usefulness of this antenna can not decays, make this antenna can be applied to the electronic installation of generally hand-held or reduced size.
Description
Technical field
The utility model relates to a kind of antenna structure of mobile electronic device, espespecially a kind of slot antenna with U-type groove hole.
Background technology
Industry today is more and more diversified, and radio frequency identification (Radio FrequencyIdentification, RFID) be a kind of wireless communication technique, commodity logistics, vehicle and article identification field are widely used in, it is by radio signals and identifiable design specific objective and read and write related data, need not set up machinery or optical contact between identification system and specific objective.One group of frequency identification system is made up of label and reader, when launching signal to label through an antenna by reader from a segment distance, the circuit on label can be energized, and with reader exchange message, therefore, there is the design about antenna to be an important ring of identification technique in wireless radio frequency.
Generally common antenna structure has dipole antenna (dipole antenna), single-polarized antenna (monopole antenna), folding dipole antenna (folded dipole antenna), horn antenna (hornantenna), cycle antenna (loop antenna), slot antenna (slot antenna), microstrip antenna (microstripantenna) etc., above-mentioned antenna is all for receiving and emitting electromagnetic wave, but respectively have its own speciality, therefore namely different antenna structures is applied on various different equipment and device.
In general, about the distance of reaction of antenna, breezy relevant to size and electrical power etc. the factor of the number of turns of antenna, RFID reader.Therefore, the antenna of RFID reader is arranged, a best numerical value and characteristic can be adjusted according to the size of RFID reader itself and the pattern of required application, and to arrange in pairs or groups with the power of reader simultaneously, such as: if the coil number of antenna is a lot, but the power of reader is too little, namely cannot drive the antenna of multi-turn number, if and the number of turns of antenna is little, but the power of reader also has too greatly the doubt damaging antenna.
Known RFID reader major part is all using PIFA antenna or Patch antenna as its antenna, so these antennas all have larger area and volume, to above-mentioned PIFA antenna or Patch antenna structure are arranged in RFID reader, namely need the reader of large-size, and PIFA antenna or Patch antenna cannot be arranged at the less electronic installation of size (such as: type in five inch etc.).
Therefore, the utility model is improved for the place of the deficiency that the antenna of known RFID cannot be arranged in the less device of size, the slotted eye of an Openworks shape is established in antenna, it can reduce antenna size, and be applied in RFID reader, and making antenna be used in the electronic installation of generally hand-held or reduced size further, such as PDA or intelligent mobile phone etc., this is a kind of utility model with progressive and novelty.
Utility model content
Main purpose of the present utility model, is the structure providing a kind of slot antenna, the slotted eye on antenna is set to U-shaped structure, can reduce the volume of entire physical, the usefulness of antenna of but can not decaying.
For reaching above-mentioned censured object and effect, the utility model is a kind of structure of slot antenna, it comprises a substrate layer and a metal level, this metal level is arranged at one of this substrate layer on the surface, wherein this metal level is provided with the Openworks shape U-type groove hole that runs through this metal level, the wherein one end in this U-type groove hole then extends to the edge of this metal level, makes this edge produce an opening.
Connect technique scheme, wherein this substrate layer is made up of non-conducting material.
Connect technique scheme, wherein this U-type groove hole has one first slotted eye, and the bending of this first slotted eye is extended with one second slotted eye, and the bending of this second slotted eye is extended with one the 3rd slotted eye.
Connect technique scheme, wherein the length of this first slotted eye is longer than the 3rd slotted eye.
Connect technique scheme, wherein the 3rd slotted eye is parallel to this first slotted eye.
Connect technique scheme, wherein this U-type groove hole utilize etching, printing, laser, punching press or intermetallic composite coating mode make.
Connect technique scheme, wherein this metal level be therefrom divided into one first section and one second section, wherein this one first section and this one second section all rectangular, and the length of this first section is longer than this second section.
Connect technique scheme, wherein this U-type groove hole has one first end points and one second end points, wherein this first end points does not extend to the edge of this metal level, it is a blind end, and this second end points extends to the edge of this metal level, be an open end, this second end points is positioned at this opening on this metal level edge.
Connect technique scheme, wherein an electronic installation has a body and and carries on the back and cover, this back of the body lid is incorporated into this body, this body has a radio-frequency (RF) signal element, one end of this radio-frequency (RF) signal element and an antenna is electrically connected, this back of the body covers, and is provided with this slot antenna, when this body is in conjunction with this back of the body lid, is held in the suitable distance that is enough to transmit signal between this antenna and this slot antenna.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1: it is the structural upright schematic diagram of the slot antenna of the first embodiment of the present utility model;
Fig. 2: it is the structure use schematic diagram of the slot antenna of the first embodiment of the present utility model;
Fig. 3 A: it is the U-type groove hole schematic diagram of the structure of the slot antenna of the first embodiment of the present utility model;
Fig. 3 B: it is the U-type groove hole schematic diagram of the structure of the slot antenna of the second embodiment of the present utility model; And
Fig. 3 C: it is the U-type groove hole schematic diagram of the structure of the slot antenna of the 3rd embodiment of the present utility model.
[figure number is to as directed]
10 slot antennas
100 openings
110 substrate layers
120 metal levels
130 U-type groove holes
121 first sections
122 second sections
1210 first slotted eyes
1220 second slotted eyes
1230 the 3rd slotted eyes
131 first end points
132 second end points
20 electronic installations
21 bodies
22 back of the body lids
210 radio-frequency (RF) signal elements
220 antennas
Embodiment
For making to have a better understanding and awareness architectural feature of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:
Because the RFID reader of known techniques is all using PIFA antenna or Patch antenna as its antenna, so these antennas all have larger area and volume, to above-mentioned PIFA antenna or Patch antenna are arranged in RFID reader, namely the reader of large-size is needed, therefore, on the RFID reader (within five inch) that PIFA antenna or Patch antenna cannot be arranged at reduced size or other mobile electronic device, therefore, for the shortcoming in known techniques, the utility model provides a kind of antenna structure to improve above-mentioned shortcoming, it is a utility model with progressive and novelty.
Refer to Fig. 1, it is the structural upright schematic diagram of the slot antenna of the first embodiment of the present utility model; As shown in the figure, the utility model is the antenna structure being applied to mobile electronic device, it is a kind of slot antenna 10, it comprises: substrate layer 110 and a metal level 120, this metal level 120 is arranged at one of this substrate layer 110 on the surface, wherein this metal level 120 is provided with the Openworks shape U-type groove hole 130 that runs through this metal level 120, and the wherein one end in this U-type groove hole 130 then extends to the edge of this metal level 120, makes this edge produce an opening 100.
This metal level 120 is therefrom divided into one first section 121 and one second section 122 by the structure of the slot antenna of the first embodiment of the present utility model, wherein this one first section 121 is all rectangular with this one second section 122, and the length of this first section 121 is longer than this second section 122.This metal level 120 is provided with this U-type groove hole 130, this U-type groove hole 130 has one first end points 131 and one second end points 132, wherein this first end points 131 is positioned at this first section 121, and this first end points 131 does not extend to the edge of this metal level 120, be a blind end, this second end points 132 is then positioned at this second section 122, and extends to the edge of this metal level 120, be an open end, this second end points 132 is positioned at this opening 100 on this metal level 120 edge.
This U-type groove hole 130 has one first slotted eye 1210, the bending of this first slotted eye 1210 is extended with one second slotted eye 1220, the bending of this second slotted eye 1220 is extended with three slotted eye 1230 parallel with this first slotted eye 1210, wherein this first slotted eye 1210 is arranged in this first section 121,3rd slotted eye 1230 is arranged in this second section 122, and this second slotted eye 1220 is then located at this first section 121 and this second section 122.In addition, this first end points 131 is its one end do not linked with this second slotted eye 1220 of this first slotted eye 1210, its one end do not linked with this second slotted eye 1220 of 3rd slotted eye 1230 is then this second end points 132, and the 3rd slotted eye 1230 directly extends to this opening 100 at this metal level 120 edge, wherein, the length of this first slotted eye 1210 is longer than the 3rd slotted eye 1230.
Moreover, the structure of a kind of slot antenna of the present utility model has this substrate layer 110 and this metal level 120, wherein this substrate layer 110 is dielectric layer, be made up of non-conducting material, again this metal level 120 is arranged at one of this substrate layer 110 on the surface, wherein via modes such as etching, printing, laser, punching press or intermetallic composite coating, the structure of this slot antenna 10 can be made in this metal level 120.
See also Fig. 2, it is the structure use schematic diagram of the slot antenna of the first embodiment of the present utility model; As shown in the figure, this slot antenna 10 is applied to the portable electric device 20 that possesses RFID function, this electronic installation 20 has a body 21 and and carries on the back lid 22, this back of the body lid 22 is incorporated into this body 21, this body 21 has a radio-frequency (RF) signal element 210, one end of this radio-frequency (RF) signal element 210 and an antenna 220 is electrically connected, this back of the body lid 22 is then provided with this slot antenna 10, when this body 21 covers 22 in conjunction with this back of the body, between this antenna 220 and this slot antenna 10, be held in the suitable distance that is enough to transmit signal.
From the above, this body 21 of this electronic installation 20 sends a signal to this radio-frequency (RF) signal element 210, namely this radio-frequency (RF) signal element 210 transmits this signal to this antenna 220, then transmits this signal to this slot antenna 10 via this antenna 220 through the mode of Energy Coupling.
The slotted eye of slot antenna is designed to U-shaped structure by the utility model, the overall dimensions of this slot antenna 10 can be reduced, but therefore the usefulness of this slot antenna 10 can't decay, and make the entirety of slot antenna 10 can be contained in this electronic installation 20 (electronic installations as below five inch or five inch) of generally hand-held or reduced size.In addition, be arranged at by this slot antenna 10 on this back of the body lid 22, be both conveniently incorporated into this body 21, the inner member that also can not have influence on this body 21 of this electronic installation 20 is arranged, and the signal that can promote this electronic installation 20 sends and receiving efficiency.
See also Fig. 3 A to Fig. 3 C, it is the U-type groove hole schematic diagram of the structure of the slot antenna of the of the present utility model first to the 3rd embodiment; As shown in the figure, this U-type groove hole 130 has this first slotted eye 1210, this second slotted eye 1220 and the 3rd slotted eye 1230.As shown in Figure 3A, it is the first embodiment of the present utility model, wherein this second slotted eye 1220 bends extension by this first slotted eye 1210,3rd slotted eye 1230 is extended by the bending of this second slotted eye 1220, and the angle of these bendings is all 90 degree of right angles, and this first slotted eye 1210 is parallel with both the 3rd slotted eyes 1230; As shown in Figure 3 B, the difference of itself and this first embodiment is that its shape of aforesaid bending is all curved, and on-right angle; As shown in Figure 3 C, the difference of itself and the first embodiment is that this second slotted eye 1220 is arcuate structure, but not the vertical bar structure shown in the first embodiment.
In sum, the utility model is the structure of a kind of slot antenna being applied to mobile electronic device, it includes this substrate layer 110 and this metal level 120, this metal level 120 is arranged at one of this substrate layer 110 on the surface, wherein this metal level 120 is provided with the Openworks shape U-type groove hole 130 that runs through this metal level 120, and the wherein one end in this U-type groove hole 130 extends to the edge of this metal level 120, make this edge produce an opening 100, and form this slot antenna 10.On be set forth in this slot antenna 10 slotted eye be designed to U-shaped structure, the overall dimensions of antenna can be reduced, make entire physical structure of the present utility model less compared to the size of general known entire physical structure, but therefore the usefulness of this slot antenna 10 can not decay.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.
Claims (9)
1. a structure for slot antenna, is characterized in that, it comprises:
One substrate layer; And
One metal level, it is arranged at one of this substrate layer on the surface, and this metal level is provided with the Openworks shape U-type groove hole that runs through this metal level, and the wherein one end in this U-type groove hole extends to the edge of this metal level, makes this edge produce an opening.
2. the structure of slot antenna as claimed in claim 1, it is characterized in that, wherein this substrate layer is made up of non-conducting material.
3. the structure of slot antenna as claimed in claim 1, it is characterized in that, wherein this U-type groove hole has one first slotted eye, and the bending of this first slotted eye is extended with one second slotted eye, and the bending of this second slotted eye is extended with one the 3rd slotted eye.
4. the structure of slot antenna as claimed in claim 3, it is characterized in that, wherein the length of this first slotted eye is longer than the 3rd slotted eye.
5. the structure of slot antenna as claimed in claim 3, it is characterized in that, wherein the 3rd slotted eye is parallel to this first slotted eye.
6. the structure of slot antenna as claimed in claim 1, is characterized in that, wherein this U-type groove hole utilize etching, printing, laser, punching press or intermetallic composite coating mode make.
7. the structure of slot antenna as claimed in claim 1, it is characterized in that, wherein this metal level is therefrom divided into one first section and one second section, wherein this one first section and this one second section all rectangular, and the length of this first section is longer than this second section.
8. the structure of slot antenna as claimed in claim 1, it is characterized in that, wherein this U-type groove hole has one first end points and one second end points, wherein this first end points does not extend to the edge of this metal level, it is a blind end, and this second end points extends to the edge of this metal level, be an open end, this second end points is positioned at this opening on this metal level edge.
9. the structure of slot antenna as claimed in claim 1, it is characterized in that, wherein an electronic installation has a body and and carries on the back and cover, this back of the body lid is incorporated into this body, this body has a radio-frequency (RF) signal element, and one end of this radio-frequency (RF) signal element and an antenna is electrically connected, and this back of the body covers, and is provided with this slot antenna, when this body is in conjunction with this back of the body lid, between this antenna and this slot antenna, be held in the suitable distance that is enough to transmit signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420524637.6U CN204205045U (en) | 2014-09-12 | 2014-09-12 | The structure of slot antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420524637.6U CN204205045U (en) | 2014-09-12 | 2014-09-12 | The structure of slot antenna |
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Publication Number | Publication Date |
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CN204205045U true CN204205045U (en) | 2015-03-11 |
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CN201420524637.6U Expired - Fee Related CN204205045U (en) | 2014-09-12 | 2014-09-12 | The structure of slot antenna |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104916906A (en) * | 2015-06-11 | 2015-09-16 | 江健良 | Insertion coupling capacitor RFID tag antenna |
CN104979619A (en) * | 2015-06-11 | 2015-10-14 | 江健良 | RFID (Radio Frequency Identification) label antenna provided with frequency-increasing notch |
CN104979618A (en) * | 2015-06-11 | 2015-10-14 | 江健良 | RFID (Radio Frequency Identification) label |
CN104993223A (en) * | 2015-06-11 | 2015-10-21 | 江健良 | RFID tag antenna |
CN107871476A (en) * | 2016-02-18 | 2018-04-03 | 元太科技工业股份有限公司 | Electronic mark and driving method thereof |
-
2014
- 2014-09-12 CN CN201420524637.6U patent/CN204205045U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104916906A (en) * | 2015-06-11 | 2015-09-16 | 江健良 | Insertion coupling capacitor RFID tag antenna |
CN104979619A (en) * | 2015-06-11 | 2015-10-14 | 江健良 | RFID (Radio Frequency Identification) label antenna provided with frequency-increasing notch |
CN104979618A (en) * | 2015-06-11 | 2015-10-14 | 江健良 | RFID (Radio Frequency Identification) label |
CN104993223A (en) * | 2015-06-11 | 2015-10-21 | 江健良 | RFID tag antenna |
CN107871476A (en) * | 2016-02-18 | 2018-04-03 | 元太科技工业股份有限公司 | Electronic mark and driving method thereof |
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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: 20150311 Termination date: 20160912 |