CN204441463U - Slot label antenna - Google Patents
Slot label antenna Download PDFInfo
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- CN204441463U CN204441463U CN201520004979.XU CN201520004979U CN204441463U CN 204441463 U CN204441463 U CN 204441463U CN 201520004979 U CN201520004979 U CN 201520004979U CN 204441463 U CN204441463 U CN 204441463U
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- China
- Prior art keywords
- slot portion
- hole section
- groove hole
- slot
- label antenna
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- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims description 22
- 239000004020 conductor Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The utility model relates to a slot label antenna, including a base plate, a metal level and a chip, the first surface of base plate is located respectively to metal level and chip, and the metal level is first slot portion, second slot portion and third slot portion, the adjacent base plate edge of one end of the first slot section that first slot portion established and the horizontal second slot section that sets up of other end cross connection, the vertical third slot section that sets up of free end cross connection of second slot section, third slot portion connects between second slot portion and third slot section for be formed with an interval between second slot portion and the third slot section, and be the chip in the interval. By first notch portion as the excitation source, utilize second notch portion interval as the inductance effect in order to obtain impedance matching, reach the utility model discloses a slotted hole volume label antenna possesses anti conductor and is the antenna characteristic of 1/4 wavelength.
Description
Technical field
The utility model has about a kind of slotted eye label antenna, the particularly anti-conductor of a kind of tool and the label antenna of the slotted eye type of 1/4 wavelength.
Background technology
At present, radio frequency identification (Radio Frequency Identification; Be called for short: RFID) be a kind of wireless communication technique, can by radio signal in order to identify specific objective and to read and write related data.Its primarily of inductor (Reader) and RFID label tag (Tag) form an identification system, the principle of its running utilizes inductor to launch radio wave, RFID label tag within the scope of touch inducing, by electromagnetic induction generation current, chip on supply RFID label operates and sends electromagnetic wave responds inductor, chip wherein on RFID label can store related data information, so that the related data of RFID label is responded to inductor, so as to reaching automatic Identification article and the purposes of following the trail of article.
Also therefore many fields have used identification technique in wireless radio frequency all gradually, and such as: if the label of radio frequency identification is attached to an automobile just aborning, dealer is producing online progress by the identifier of radio frequency identification and this car traceable; Or the identification card (or access card) in order to identify as worker; Even be applied in E-payment system (the Electronic Toll Collection of highway; Be called for short: ETC).
And existing RFID label tag (Tag) affects its aerial radiation signal because being easily subject to extraneous conductor (as: other conductor such as human body, Jin Shu ﹒ ﹒ ﹒), also the RFID label tag (Tag) being therefore applied in E-payment system (ETC) then must avoid the metal position of vehicle, such as: the windshield or the car light position that RFID label tag (Tag) are attached to vehicle, so as to the interference avoiding the aerial radiation of RFID label (Tag) to be subject to extraneous conductor, and then affect the identification qualification rate of radio frequency identification.
Therefore, how to provide a kind of can the antenna structure of anti-conductor, be the utility model problem for solving.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of hole label antenna, reaches the anti-conductor of tool and is the antenna performance of 1/4 wavelength.
The technical solution of the utility model is as follows:
A kind of slotted eye label antenna, comprising:
One substrate, its one side is first surface, and its another side is second surface;
One metal level, covers the first surface in described substrate, and described metal level is the first slot portion, the second slot portion and the 3rd slot portion;
Described first slot portion, include the first groove hole section, the second groove hole section and the 3rd groove hole section, one end of described first groove hole section is first end and its other end is the second end, the edge of the adjacent described substrate of described first end, described second end is then away from the edge of described substrate, and described first end is linearly corresponding with described second end; One end of described second groove hole section is the 3rd end and its other end is the 4th end, and described 3rd end and described second end interlock and be connected, and described 3rd end is linearly corresponding with described 4th end; One end of described 3rd groove hole section is five terminal and its other end is the 6th end, and described five terminal and described 4th end interlock and be connected, and described five terminal is linearly corresponding with described 6th end;
Described second slot portion, its one end is the 7th end and its other end is the 8th end, and described 7th end and described 8th end are respectively away from the edge of described substrate; And
Described 3rd slot portion, be connected between described first slot portion and described second slot portion, its one end is the 9th end and its other end is the tenth end, described 9th end and described 3rd groove hole section interlock and are connected, described tenth end and described second slot portion are interlocked and are connected, and described 9th end is linearly corresponding with described tenth end; And
One chip, is located at the first surface of described substrate and is electrically connected with described metal level, and described chip is relatively between the 3rd groove hole section and described second slot portion of described first slot portion.
The beneficial effects of the utility model are: can form excitaton source by the first slot portion; And by the second slot portion in order to adjust effect as inductance, utilize the width of allotment second slot portion and the distance between allotment the second slot portion and the 3rd groove hole section, to obtain preferably impedance matching, reach the anti-conductor of slotted eye label antenna tool of the present utility model and be the antenna performance of 1/4 wavelength.
Accompanying drawing explanation
Fig. 1 is slotted eye label antenna first embodiment schematic diagram of the present utility model.
Fig. 2 is slotted eye label antenna first embodiment one application side view of the present utility model.
Fig. 3 is that slotted eye label antenna first embodiment one of the present utility model applies schematic diagram.
Fig. 4 is slotted eye label antenna second embodiment schematic diagram of the present utility model.
Fig. 5 is that slotted eye label antenna second embodiment one of the present utility model applies schematic diagram.
Fig. 6 is slotted eye label antenna the 3rd embodiment schematic diagram of the present utility model.
wherein:
10, slotted eye label antenna
1, substrate
11, first surface
12, second surface
2, metal level
21, the first slot portion
211, the first groove hole section
2111, first end
2112, the second end
212, the second groove hole section
2121, the 3rd end
2122, the 4th end
213, the 3rd groove hole section
2131, five terminal
2132, the 6th end
22, the second slot portion
221, the 7th end
222, the 8th end
23, the 3rd slot portion
231, the 9th end
232, the tenth end
24, the 4th slot portion
241, the tenth one end
242, the 12 end
3, chip
D1, spacing
The width of D2, the second slot portion
4, inductance
5, fluting portion.
Embodiment
Please first coordinating consults shown in Fig. 1, Fig. 2 and Fig. 3, the utility model proposes a kind of slotted eye label antenna, and described slotted eye label antenna 10 comprises substrate 1, metal level 2 and a chip 3.
The one side of substrate 1 is first surface 11 and its another side is second surface 12.
Metal level 2 covers the first surface 11 in substrate 1, and metal level 2 is provided with one first slot portion 21,1 second slot portion 22 and one the 3rd slot portion 23, the first slot portion 21, second slot portion 22 and the 3rd slot portion 23 is connected respectively.
Described first slot portion 21 includes one first groove hole section 211,1 second groove hole section 212 and one the 3rd groove hole section 213; One end of first groove hole section 211 is first end 2111 and its other end is the second end 2112, the edge of the adjacent connection substrate 1 of first end 2111, second edge of 2112, end away from substrate 1, and first end 2111 is linearly corresponding with the second end 2112, and the first groove hole section 211 can be vertical setting with the edge of substrate 1; One end of second groove hole section 212 is the 3rd end 2121 and its other end is the 4th end 2122,3rd end 2121 and the second end 2112 interlock and are connected, and the 3rd end 2121 is linearly corresponding with the 4th end 2122, and the second groove hole section 212 can be arranged in vertical interlaced with the first groove hole section 211, the second groove hole section 212 can be cross-linked in a horizontal manner with the first groove hole section 211; One end of 3rd groove hole section 213 is five terminal 2131 and the other end thereof is the 6th end 2132, five terminal 2131 and the 4th end 2122 interlock and are connected, and five terminal 2131 is linearly corresponding with the 6th end 2132, and the 3rd groove hole section 213D and the second groove hole section 212 are arranged in vertical interlaced, the 3rd groove hole section 213 can be cross-linked in a vertical manner with the second groove hole section 212; Described second groove hole section 212 and the 3rd groove hole section 213 are all not adjacent with its edge of substrate 1 to be connected.
One end of described second slot portion 22 is the 7th end 221 and its other end is that the 7th end 221 of the 8th end 222, second slot portion 22 and the 8th end 222 are respectively away from the edge of substrate 1; And the second slot portion 22 can be set in parallel with the first groove hole section 211 of the first slot portion 21 and the 3rd groove hole section 213.
Described 3rd slot portion 23 is connected between the first slot portion 21 and the second slot portion 22, one end of 3rd slot portion 23 is the 9th end 231 and its other end is the tenth end 232, interlocked by the 9th end 231 and the 3rd groove hole section 213 and be connected, being interlocked by the tenth end 232 and the second slot portion 22 is connected; And the 3rd slot portion 23 can be arranged in vertical interlaced with the 3rd groove hole section 213 and the second slot portion 22 respectively, the 3rd slot portion 23 can be cross-linked in a horizontal manner respectively with the 3rd groove hole section 213 and the second slot portion 22.
Chip 3 is located at the first surface 11 of substrate 1, and is electrically connected with metal level 2, and described chip 3 is relatively between the 3rd groove hole section 213 and the second slot portion 22 of the first slot portion 21, and chip 3 can be located at the 3rd slot portion 23 position relatively.
Excitaton source can be formed by the first slot portion 21; Can imaginary impedance be formed by the second slot portion 22, make the second slot portion 22 can in order to as inductance.
Described slotted eye label antenna 10 is formed with space D 1 between the second slot portion 22 and the 3rd groove hole section 213, and namely the length of the 3rd slot portion 23 is equal to the width of space D 1, and makes longitudinal width of the second slot portion 22 be D2.Utilize the space D 1 between allotment second slot portion 22 and the 3rd groove hole section 213, and the width D 2 of allotment the second slot portion 22, to obtain preferably impedance matching; Can be inductance as compensation by the second slot portion 22 again, make slotted eye label antenna 10 can reduce its length, reach the anti-conductor of slotted eye label antenna 10 tool of the present utility model and be the antenna performance of 1/4 wavelength.Described chip 3 can relatively between space D 1.
Shown in Fig. 4 and Fig. 5, described slotted eye label antenna 10 can include an inductance 4 further, and metal level 2 separately can be provided with one the 4th slot portion 24 between its second slot portion 22 and the 3rd groove hole section 213.Described 4th slot portion 24 is connected between the first slot portion 21 and the second slot portion 22, one end of 4th slot portion 24 is the tenth one end 241 and its other end is the 12 end 424, interlocked by the tenth one end 241 and the 3rd groove hole section 213 and be connected, interlocked by the 12 end 424 and the second slot portion 22 and be connected, 4th slot portion 24 can be cross-linked with the 3rd groove hole section 213 and the second slot portion 22 in a horizontal manner respectively, and the 4th slot portion 24 can be parallel corresponding with the 3rd slot portion 23.And inductance 4 can between the 3rd groove hole section 213 of the first slot portion 21 and the second slot portion 22, and inductance 4 can be located at the 4th slot portion 24 position relatively, such as: the positive and negative electrode of inductance 4 can be across the 4th slot portion 24 and be electrically connected with metal level 2; Described inductance 4 can be chip-shaped inductance.Whereby, utilize inductance 4 as compensation, reaching slotted eye label antenna 10 can according to its impedance to obtain preferably impedance matching.
Whereby, described slotted eye label antenna 10 by the second slot portion 22 as inductance compensation; Or described slotted eye label antenna 10 can pass through inductance 4 set by the 4th slot portion 24 again as compensation simultaneously, reaching slotted eye label antenna 10 can according to its impedance to obtain preferably impedance matching.
Shown in Fig. 6, described slotted eye label antenna 10 can separately be provided with at least one or more than one fluting portion 5 in metal level 2 region, utilize fluting portion 5 in order to adjust the impedance of metal level 2, to obtain preferably impedance matching.
In sum, the metal level 2 that the utility model lies in slotted eye label antenna 10 is respectively equipped with the first slot portion 21, second slot portion 22 and the 3rd slot portion 23 that are connected, by the first slot portion 21 in order to as excitaton source, can in order to as inductance by the second slot portion 22; Space D 1 between recycling allotment second slot portion 22 and the 3rd groove hole section 213, and the width D 2 of allotment the second slot portion 22, system, to obtain preferably impedance matching, reaches the anti-conductor of slotted eye label antenna 10 tool of the present utility model and is the antenna performance of 1/4 wavelength.
Above-described embodiment is only for clearly illustrating that the utility model creates example, and not the utility model is created to the restriction of embodiment.In order to the syntagmatic of each parts is clearly described, carry out usually describing around its function to various illustrative parts and annexation thereof above, combination as this parts realizes which kind of function, the design constraint depending on specific application and apply whole device.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.All within spirit of the present utility model and principle any apparent change of extending out or variation be still among the protection range of this claim.
Claims (7)
1. a slotted eye label antenna, is characterized in that, comprising:
One substrate, its one side is first surface, and its another side is second surface;
One metal level, covers the first surface in described substrate, and described metal level is the first slot portion, the second slot portion and the 3rd slot portion;
Described first slot portion, include the first groove hole section, the second groove hole section and the 3rd groove hole section, one end of described first groove hole section is first end and its other end is the second end, the edge of the adjacent described substrate of described first end, described second end is then away from the edge of described substrate, and described first end is linearly corresponding with described second end; One end of described second groove hole section is the 3rd end and its other end is the 4th end, and described 3rd end and described second end interlock and be connected, and described 3rd end is linearly corresponding with described 4th end; One end of described 3rd groove hole section is five terminal and its other end is the 6th end, and described five terminal and described 4th end interlock and be connected, and described five terminal is linearly corresponding with described 6th end;
Described second slot portion, its one end is the 7th end and its other end is the 8th end, and described 7th end and described 8th end are respectively away from the edge of described substrate; And
Described 3rd slot portion, be connected between described first slot portion and described second slot portion, its one end is the 9th end and its other end is the tenth end, described 9th end and described 3rd groove hole section interlock and are connected, described tenth end and described second slot portion are interlocked and are connected, and described 9th end is linearly corresponding with described tenth end; And
One chip, is located at the first surface of described substrate and is electrically connected with described metal level, and described chip is relatively between the 3rd groove hole section and described second slot portion of described first slot portion.
2. slotted eye label antenna as claimed in claim 1, it is characterized in that, be formed with spacing between described second slot portion and described 3rd groove hole section, described chip is positioned at described spacing relatively, and described chip can be located at described 3rd slot portion position.
3. slotted eye label antenna as claimed in claim 2, it is characterized in that, the length of described 3rd slot portion equals the width of described spacing.
4. slotted eye label antenna as claimed in claim 1, it is characterized in that, the width of described second slot portion can adjust with imaginary impedance value.
5. slotted eye label antenna as claimed in claim 1, it is characterized in that, also include an inductance, and between described first slot portion and described second slot portion, separately can be one the 4th slot portion, one end of described 4th slot portion is the tenth one end and its other end is the 12 end, described tenth one end and described 3rd groove hole section interlock and are connected, described 12 end and described second slot portion are interlocked and are connected, described 4th slot portion is parallel corresponding with described 3rd slot portion, and described inductance is located at described 4th slot portion position relatively.
6. slotted eye label antenna as claimed in claim 5, it is characterized in that, described inductance is chip-shaped inductance.
7. slotted eye label antenna as claimed in claim 1, is characterized in that, described metal level is provided with at least one fluting portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103217329U TWM495008U (en) | 2014-09-30 | 2014-09-30 | Slot tag antenna |
| TW103217329 | 2014-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441463U true CN204441463U (en) | 2015-07-01 |
Family
ID=53017316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520004979.XU Active CN204441463U (en) | 2014-09-30 | 2015-01-06 | Slot label antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204441463U (en) |
| TW (1) | TWM495008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038473A (en) * | 2016-01-18 | 2017-08-11 | 仁宝电脑工业股份有限公司 | For the slot antenna structure in electronic tag |
-
2014
- 2014-09-30 TW TW103217329U patent/TWM495008U/en not_active IP Right Cessation
-
2015
- 2015-01-06 CN CN201520004979.XU patent/CN204441463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107038473A (en) * | 2016-01-18 | 2017-08-11 | 仁宝电脑工业股份有限公司 | For the slot antenna structure in electronic tag |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM495008U (en) | 2015-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |