CN209266568U - The microstrip line and super high frequency radio frequency recognition read-write machine of super high frequency radio frequency identification - Google Patents
The microstrip line and super high frequency radio frequency recognition read-write machine of super high frequency radio frequency identification Download PDFInfo
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- CN209266568U CN209266568U CN201821924965.XU CN201821924965U CN209266568U CN 209266568 U CN209266568 U CN 209266568U CN 201821924965 U CN201821924965 U CN 201821924965U CN 209266568 U CN209266568 U CN 209266568U
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Abstract
The utility model discloses a kind of microstrip lines of super high frequency radio frequency identification, the microstrip line of the super high frequency radio frequency identification includes media substrate, it is formed in the conductor on one surface of media substrate, with being formed in the metal on another surface of the media substrate, the conductor includes portion of wriggling, positioned at the sinuous portion both ends and with the sinuous integrally formed a pair of connecting portion in portion, one of interconnecting piece matching connection load, another interconnecting piece connects feed point, the sinuous cable architecture of the microstrip line of super high frequency radio frequency identification, utilize the Space Coupling of adjacent micro-strip line current and the discontinuity of bending place, top forms high-intensity magnetic field near the microstrip line of super high frequency radio frequency identification, the length of the microstrip line of super high frequency radio frequency identification is adjustable, it is easy to use, user can select the microstrip line of suitable super high frequency radio frequency identification of sinuous period as needed, or according to The microstrip line that the super high frequency radio frequency of different number that needs to connect identifies.
Description
[technical field]
The utility model relates to field of signal transmissions, the microstrip line and hyperfrequency of specially a kind of super high frequency radio frequency identification are penetrated
Frequency identification reader.
[background technique]
With the promotion of chip performance and the reduction of chip price, the hair of super high frequency radio frequency identification technology since 2015
Exhibition and application enter fast traffic lane.Article or people are identified using super high frequency radio frequency identification technology in more and more actual items
Member, thus help through make an inventory, search, tracing, timing, the management works such as charge.However, in actual use, hyperfrequency is penetrated
The performance of frequency identification technology is unsatisfactory, and label either skip or is misread, and is always difficult to obtain satisfactory discrimination.Cause
Influence, Yi Ji electricity for ambient enviroment to the reflection and refraction, liquid and metal repeatedly of electromagnetic field to label antenna matching performance
The combined factors such as the decline rule of magnetic field radiation far field midfield get up to cause inside and outside entire recognition region electromagnetic field intensity area and blind
Randomness, uncertainty and the easy perturbation in area.So as to cause skip and misread problem.
To avoid repeatedly reflection and refraction of the ambient enviroment to electromagnetic field, the big packaging radio frequency identification marking from article is adapted to
The trend that label, pallet RFID tag are strided forward towards single-item grade RFID tag is more and more used for super high frequency radio frequency
The near field antenna structure of identification reader is suggested.These antenna differs from one another, but there is also certain deficiencies, main to show
:
It is substantially still standing wave 1. most of near field antenna structures can be counted as the combination of several radiating elements
Formula antenna.As long as standing-wave antenna, antenna place is just inevitably present strong area and blind area.
2. the near field antenna structure proposed currently on the market or in document is complex, it is difficult to process, cost occupies height not
Under, affect the further genralrlization application of radio-frequency recognition system.
3. the achievement that the near field antenna proposed currently on the market or in document is all well-designed debugging.They are often right
The requirements such as machining accuracy, the temperature characterisitic of material of production are very high.This also affects the yield rate of volume production and the application model of product
It encloses.
It can be seen that providing a kind of microstrip line of super high frequency radio frequency identification and super high frequency radio frequency recognition read-write machine is this field
The problem of urgent need to resolve.
[utility model content]
The utility model is in view of the above-mentioned problems, provide the microstrip line of super high frequency radio frequency identification, and easy to process, cost is controllable,
And feed point is simple, frequency loan can achieve 100,000,000 or more.
To solve the above-mentioned problems, the microstrip line of a kind of super high frequency radio frequency identification provided by the utility model, the superelevation
The microstrip line of frequency radio frequency identification includes media substrate, the conductor for being formed in one surface of media substrate, is formed in the media substrate
The metal on another surface, the conductor includes portion of wriggling, is located at the sinuous portion both ends and is integrally formed with the sinuous portion
A pair of connecting portion, the load of one of interconnecting piece matching connection, another interconnecting piece connects feed point.
Further, the microstrip line quantity of the super high frequency radio frequency identification has several, several described hyperfrequencies are penetrated
The microstrip line of frequency identification is connected by cable, positioned at the interconnecting piece of head and end, one of interconnecting piece matching connection load, separately
One interconnecting piece connects feed point.
Further, the microstrip line quantity of the super high frequency radio frequency identification has several, several described hyperfrequencies are penetrated
The microstrip line of frequency identification is connected by cable, positioned at the interconnecting piece of head and end, one of interconnecting piece matching connection load, separately
One interconnecting piece connects feed point.
Further, the interconnecting piece connects matched load, feed point or another hyperfrequency by radio frequency connector
The radio frequency connector of the microstrip line of radio frequency identification.
Further, the conductor surrounding is extended to the metal of the microstrip line of the super high frequency radio frequency identification, extended to
It is located at same surface with the conductor to the metal of the conductor surrounding.
Further, have to the metal for being centered around conductor surrounding there are two fluting, the interconnecting piece passes through described open
Slot is simultaneously connect with the radio frequency connector.
Further, the high-intensity magnetic field of the microstrip line of the super high frequency radio frequency identification is uniformly distributed.
Further, the cable is coaxial cable.
Further, the microstrip line of the super high frequency radio frequency identification is at most 10 meters.
To solve the above-mentioned problems, the utility model also provides a kind of microstrip line connection of super high frequency radio frequency identification, is used for
Identification, the near field radio frequency for reading or the microstrip line upper area identified positioned at super high frequency radio frequency being written identify electronic tag.
Furthermore the microstrip line of the super high frequency radio frequency identification in the utility model is easy to process, and cost is controllable, and feed point letter
Single, frequency loan can achieve 100,000,000 or more.
The sinuous cable architecture of the microstrip line of super high frequency radio frequency identification utilizes the Space Coupling of adjacent micro-strip line current and curved
Discontinuity at folding, top forms high-intensity magnetic field near the microstrip line of super high frequency radio frequency identification.In super high frequency radio frequency identification
The load of microstrip line end matching connection, the high-intensity magnetic field for the microstrip line for identifying super high frequency radio frequency are evenly distributed.
The length of the microstrip line of super high frequency radio frequency identification is adjustable, easy to use, and user can select week of wriggling as needed
The microstrip line of phase suitable super high frequency radio frequency identification, or the micro-strip of the super high frequency radio frequency identification of series connection different number as needed
Line.The adjustable in length of the microstrip line of super high frequency radio frequency identification is to several meters to tens of rice.
The microstrip line of super high frequency radio frequency identification in the utility model has quite outstanding radio frequency reading performance, successfully
Electromagnetic near field is strapped in right above it, thoroughly solve the problems, such as the skip of super high frequency radio frequency identification and is misread.Meanwhile through too small
Batch production test, the microstrip line for demonstrating this super high frequency radio frequency identification have broadband adaptability, wide thermal adaptability, width
Process tolerance, wide-dielectric constant adaptability.Its metal ground plane can be with processing printed circuit, directly by radio-frequency front-end and super
The microstrip line of high-frequency radio frequency identification is integrated, and is a kind of structure extremely outstanding and with extensive practical value.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram that metal plate is placed above the microstrip line of the utility model super high frequency radio frequency identification.
Fig. 2 is the structural schematic diagram of the microstrip line of super high frequency radio frequency identification.
[specific embodiment]
Referring to Fig. 1 to Fig. 2, the microstrip line that super high frequency radio frequency identifies in the utility model, super high frequency radio frequency identification are given
Microstrip line using PCB (Printed Circuit Board, printed circuit board) technique process, super high frequency radio frequency identification it is micro-
It include media substrate 1, the conductor 2 for being formed in 1 upper surface of media substrate, the metal for being formed in the media substrate lower surface with line
Ground 3 is centered around to the metal conductor surrounding and extends to another surface of media substrate 1, extends to the conductor surrounding
Metal be located at same surface with the conductor.The microstrip line of super high frequency radio frequency identification can also not be centered around conductor surrounding
Metal, with being only located at the media substrate and the metal of 2 apparent surface of conductor.
The conductor 2 include wriggle portion 21, be located at sinuous 21 both ends of portion and integrally formed with the sinuous portion 21
A pair of connecting portion 22,23, one of 22 matching connection of interconnecting piece load, another interconnecting piece 23 connect feed point.It is winding
Number can adjust according to actual needs.The length of conductor 2 can freely extend adjusting, can select snake as needed
Period, the microstrip line that several super high frequency radio frequencies can also be identified are connected by coaxial cable, and coaxial cable connects respectively
Connect the interconnecting piece of the microstrip line of two neighboring super high frequency radio frequency identification.The microstrip line that coaxial cable identifies several super high frequency radio frequencies
It is together in series, then the connecting pin matched load of one of them of the microstrip line that the super high frequency radio frequency of head and end is identified, it is another
A connection feed point.
The interconnecting piece 22,23 connects two radio frequency connectors 5, and one of radio frequency connector connects feed point, another
Connect the radio frequency connector or matched load of the microstrip line of the super high frequency radio frequency identification of series connection with it.It is described to be centered around conductor 2
The metal of surrounding 3 tool there are two fluting 31, the interconnecting piece 22,23 pass through it is described fluting and with the radio frequency connector 5 connect
It connects.
The microstrip line of super high frequency radio frequency identification in the utility model is easy to process, and cost is controllable, and feed point is simple, frequency
Rate loan can achieve 100,000,000 or more.
The sinuous cable architecture of the microstrip line of super high frequency radio frequency identification utilizes the Space Coupling of adjacent micro-strip line current and curved
Discontinuity at folding, top forms high-intensity magnetic field near the microstrip line of super high frequency radio frequency identification.In super high frequency radio frequency identification
The load of microstrip line end matching connection, the high-intensity magnetic field for the microstrip line for identifying super high frequency radio frequency is evenly distributed, i.e., same
Point may be wave crest in different times, it may be possible to trough.As shown in Figure 1, topmost rectangular metal plate 4 penetrates hyperfrequency
The microstrip line performance of frequency identification influences very little, further reacts the near field characteristic of the microstrip line of super high frequency radio frequency identification.
Meanwhile the length of the microstrip line of super high frequency radio frequency identification is adjustable, easy to use, user can select to wriggle as needed
The microstrip line of Yan period suitable super high frequency radio frequency identification, or the super high frequency radio frequency identification of series connection different number as needed
Microstrip line.For the adjustable in length of the microstrip line of super high frequency radio frequency identification to several meters to tens of rice, the sinuous period in portion 21 of wriggling can
It is many to expand to, as long as the radio frequency loss of transmission structure or media substrate is sufficiently small.Super high frequency radio frequency identifies micro-
Band line can also cascade with one another, to constitute the microstrip line of longer or special-shaped super high frequency radio frequency identification.
The microstrip line of super high frequency radio frequency identification is connected with super high frequency radio frequency recognition read-write machine, for identification, reads or is written
Near field radio frequency positioned at the microstrip line upper area of super high frequency radio frequency identification identifies electronic tag.
The microstrip line of super high frequency radio frequency identification in the utility model has quite outstanding radio frequency reading performance, successfully
Electromagnetic near field is strapped in right above it, thoroughly solve the problems, such as the skip of super high frequency radio frequency identification and is misread.Meanwhile through too small
Batch production test, the microstrip line for demonstrating this super high frequency radio frequency identification have broadband adaptability, wide thermal adaptability, width
Process tolerance, wide-dielectric constant adaptability.Its metal ground plane can be with processing printed circuit, directly by radio-frequency front-end and super
The microstrip line of high-frequency radio frequency identification is integrated, and is a kind of structure extremely outstanding and with extensive practical value.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of microstrip line of super high frequency radio frequency identification, the microstrip line of the super high frequency radio frequency identification includes media substrate (1), shape
At in (1) one surface of media substrate conductor (2), be formed in the metal ground (3) on another surface of the media substrate, feature exists
In, the conductor (2) include wriggle portion (21), be located at sinuous portion (21) both ends and with the sinuous portion integrally formed one
To interconnecting piece (22,23), one of interconnecting piece (22) matching connection load, another interconnecting piece (23) connects feed point.
2. the microstrip line of super high frequency radio frequency identification according to claim 1, which is characterized in that the super high frequency radio frequency identification
Microstrip line quantity there are several, the microstrip line of described several super high frequency radio frequencies identification is connected by cable, positioned at first and last
The interconnecting piece at both ends, one of interconnecting piece matching connection load, another interconnecting piece connect feed point.
3. the microstrip line of super high frequency radio frequency identification according to claim 1 or 2, which is characterized in that the interconnecting piece passes through
Radio frequency connector connects the radio frequency connector of the microstrip line of matched load, feed point or the identification of another super high frequency radio frequency.
4. the microstrip line of super high frequency radio frequency identification according to claim 3, which is characterized in that the super high frequency radio frequency identification
Microstrip line metal extend to the conductor surrounding, be located at the conductor with extending to the metal of the conductor surrounding same
One surface.
5. the microstrip line of super high frequency radio frequency identification according to claim 4, which is characterized in that described to be centered around conductor surrounding
Metal have there are two fluting, the interconnecting piece pass through it is described fluting and connect with the radio frequency connector.
6. the microstrip line of super high frequency radio frequency identification according to claim 1, which is characterized in that the super high frequency radio frequency identification
The high-intensity magnetic field of microstrip line be uniformly distributed.
7. the microstrip line of super high frequency radio frequency identification according to claim 2, which is characterized in that the cable is coaxial electrical
Cable.
8. the microstrip line of super high frequency radio frequency identification according to claim 1, which is characterized in that the super high frequency radio frequency identification
Microstrip line be at most 10 meters.
9. a kind of super high frequency radio frequency recognition read-write machine, which is characterized in that know with the super high frequency radio frequency in any of the above-described claim
Other microstrip line connection for identification, is read or is written and penetrate positioned at the near field of the microstrip line upper area of super high frequency radio frequency identification
Frequency identification electronic tag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924965.XU CN209266568U (en) | 2018-11-22 | 2018-11-22 | The microstrip line and super high frequency radio frequency recognition read-write machine of super high frequency radio frequency identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924965.XU CN209266568U (en) | 2018-11-22 | 2018-11-22 | The microstrip line and super high frequency radio frequency recognition read-write machine of super high frequency radio frequency identification |
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| Publication Number | Publication Date |
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| CN209266568U true CN209266568U (en) | 2019-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462026A (en) * | 2018-11-22 | 2019-03-12 | 南京思追特电子科技有限公司 | The microstrip line and super high frequency radio frequency recognition read-write machine of super high frequency radio frequency identification |
-
2018
- 2018-11-22 CN CN201821924965.XU patent/CN209266568U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462026A (en) * | 2018-11-22 | 2019-03-12 | 南京思追特电子科技有限公司 | The microstrip line and super high frequency radio frequency recognition read-write machine of super high frequency radio frequency identification |
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