CN206991353U - Pipeline inspection label based on RFID - Google Patents
Pipeline inspection label based on RFID Download PDFInfo
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- CN206991353U CN206991353U CN201720668055.9U CN201720668055U CN206991353U CN 206991353 U CN206991353 U CN 206991353U CN 201720668055 U CN201720668055 U CN 201720668055U CN 206991353 U CN206991353 U CN 206991353U
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- antenna
- label
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- rfid
- inspection label
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Abstract
The utility model provides the pipeline inspection label based on RFID, belongs to RFID RF applications, including：Label housing, the groove for being used for accommodating radio-frequency antenna is provided with label housing, radio-frequency antenna and label chip are installed in a groove；Label housing includes internal layer shell and outer casing, and radio-frequency antenna includes internal antenna, and the outside antenna being connected with internal antenna.By the way that the shape of the global shape of radio-frequency antenna and inspection label is adjusted, simultaneously using the double-antenna structure being made up of internal antenna and outside antenna, strengthen the signal reception that radio-frequency antenna launches electromagnetic wave for reader, so that inspection label can still receive the signal of reader in the deeper region in underground, improve the sensitivity of the inspection label, order distance no longer turns into the limiting factor of inspection label, has expanded the usage scenario of inspection label.
Description
Technical field
The utility model belongs to RFID RF applications, more particularly to a kind of pipeline inspection label based on RFID.
Background technology
Urban Buried Pipeline Network is the underground transmission lifeblood as city, and important work is played in the energy, message transmitting procedure
With.Effective precision management of underground pipe network is the great difficult problem that current every profession and trade asset equipment management faces.Possess and know over long distances
Passive radio frequency identification (Radio Frequency Identification, the RFID) equipment of reading performance should in pipeline inspection management
There is unique technical advantage in.The recognition distance of inspection label directly affects RFID applicability, passive at a distance
RFID pipeline ground inspection labels exist a large amount of in electric power energy, railway traffic, municipal pipeline, national defence communication, petrochemical industry etc.
There is the extremely huge and urgent market demand in the industry of pipe net assets.
Due to the technology path difference of each RFID application vendors, reader matches with the radio frequency optimization of RFID label tag, due to
The transmission range between RFID label tag and reader on pipeline is too short, and the usage scenario of label is caused to limit.
Utility model content
In order to solve shortcoming and defect present in prior art, the utility model is provided by radio-frequency antenna shape
Optimize, so as to improve the pipeline inspection label based on RFID of RFID label tag transmission range.
In order to reach above-mentioned technical purpose, the utility model provides the pipeline inspection label based on RFID, the inspection
Label is arranged on floor tile or kilometer stone, the inspection label, including：
Label housing, the groove for being used for accommodating radio-frequency antenna is provided with label housing, radio frequency day is installed in a groove
Line, and the label chip electrically connected with radio-frequency antenna；
Wherein, the label housing includes the internal layer shell contacted with radio-frequency antenna and label chip, and is coated on interior
Outer casing outside layer housing, the radio-frequency antenna include internal antenna, and the outside antenna being connected with internal antenna.
Optionally, the internal layer shell includes the polyvinyl chloride base material that thickness is 0.3mm, is formed through dual sided lamination.
Optionally, the outer casing includes the closed shell being made up of polyurethane.
Optionally, the internal antenna is square in class and has four sides, and relative both sides are provided with depression on internal antenna, another
Sub-antenna is provided with the inside of outer relative both sides.
Optionally, the outside antenna includes four relatively independent extension antennas being connected on internal antenna, extension antenna
Afterbody including the head being connected on internal antenna and away from internal antenna, afterbody shrink, set in screw-pinch portion in the shape of a spiral
There is the intensive cabling for being connected inner ring with outer ring.
Optionally, the radio-frequency antenna is made up of thickness of 18 μm of aluminium foil or copper foil.
Optionally, the label chip is Impinj M4 chips.
The beneficial effect that technical scheme provided by the utility model is brought is：
By the way that the shape of the global shape of radio-frequency antenna and inspection label is adjusted, while use is by internal antenna and outside
The double-antenna structure that antenna is formed, strengthen the signal reception that radio-frequency antenna launches electromagnetic wave for reader so that inspection
Label can still receive the signal of reader in the deeper region in underground, improve the sensitivity of the inspection label, order distance is not
Turn into the limiting factor of inspection label again, expand the usage scenario of inspection label.
Brief description of the drawings
It is required in being described below to embodiment to use in order to illustrate more clearly of the technical solution of the utility model
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the schematic shapes of antenna in inspection label provided by the utility model；
Fig. 2 is the gain emulation schematic diagram of antenna in inspection label provided by the utility model.
Embodiment
To make structure and advantage of the present utility model clearer, structure of the present utility model is made below in conjunction with accompanying drawing
It is further described through.
Embodiment one
The utility model provides the pipeline inspection label based on RFID, and the inspection label is arranged on floor tile or mileage
In stake, the inspection label, including：
Label housing, the groove for being used for accommodating radio-frequency antenna is provided with label housing, radio frequency day is installed in a groove
Line, and the label chip electrically connected with radio-frequency antenna；
Wherein, the label housing includes the internal layer shell contacted with radio-frequency antenna and label chip, and is coated on interior
Outer casing outside layer housing.The radio-frequency antenna 1 includes internal antenna 2, and the outside antenna 3 being connected with internal antenna 2.In described
Antenna 2 is square in class and has four sides, and relative both sides are provided with depression 21 on internal antenna 2, is set on the inside of both sides relative in addition
There is sub-antenna 22.
The outside antenna 3 includes four relatively independent extension antennas 4 being connected on internal antenna 2, and extension antenna 4 includes
The head 41 being connected on internal antenna 2 and the afterbody 42 away from internal antenna 2, afterbody 42 shrinks in the shape of a spiral, in screw-pinch
Portion is provided with the intensive cabling 421 for being connected inner ring with outer ring.
In force, the inspection label is connected by label housing with the label chip positioned at label enclosure interior.The label
Housing employs double-decker design, and internal layer is used to provide enough supportives for the label chip and radio-frequency antenna of inside, protected
The dimensionally stable of label chip especially radio-frequency antenna is demonstrate,proved, outer layer is then used for shockproof to whole inspection label offer water proof and dust proof
Three proofings characteristic.So as to improve resistivity of the inspection label being arranged on pipeline for adverse circumstances.
Further, the radio-frequency antenna 1 in inspection label has used the double antenna of internal antenna 2+ outside antennas 3 to design, and
Specific optimization is carried out for the shape of inspection label in the structure of internal antenna 2 and outside antenna 3, concrete structure is as shown in Figure 1.
The radio-frequency antenna 1 includes internal antenna 2, and the outside antenna 3 being connected with internal antenna 2.The internal antenna 2 is in class side
Shape and there are four sides, relative both sides are provided with depression 21 on internal antenna 2, and sub-antenna 22 is provided with the inside of both sides relative in addition.
The outside antenna 3 includes four relatively independent extension antennas 4 being connected on internal antenna 2, and extension antenna 4 includes
The head 41 being connected on internal antenna 2 and the afterbody 42 away from internal antenna 2, afterbody 42 shrinks in the shape of a spiral, in screw-pinch
Portion is provided with the intensive cabling 421 for being connected inner ring with outer ring.
It can be clearly seen that from Fig. 1, the global shape of radio-frequency antenna 1 is similar with the shape of inspection label in rectangular
Shape, in order that obtain radio-frequency antenna 1 has the performance of preferable signal gain in rectangular spatial domain, shape is used in middle section
Shape is provided with depression 21 to shorten radio-frequency antenna in this direction similar to square internal antenna on the direction of rectangle short side
Signal receive characteristic, and two relative sub-antennas 22 are provided with the direction of rectangle long side to expand radio-frequency antenna at this
Signal on direction receives characteristic.
In same consideration, in order to further enhance signal reception of the radio-frequency antenna in rectangle long side, go back
Provided with the outside antenna 3 being connected with internal antenna 2, outside antenna 3 then includes the extension day being arranged radially along four corners of rectangle
Line 4, each extension antenna 4 is then set in the shape of a spiral in region corresponding to four corners of rectangle, so as to further enhance
Signal reception on the direction of corner.
Further, it is additionally provided with extension antenna 4 away from the region of afterbody 42 on the direction of internal antenna 2 in connection helical form
Circle and the intensive cabling 421 of outer ring, can further be lifted the signal reception of afterbody 42 by means of intensive cabling 421,
So as to finally strengthen radio-frequency antenna 1 for reader launch electromagnetic wave signal reception so that inspection label underground compared with
Deep region can still receive the signal of reader, improve the sensitivity of the inspection label, and order distance no longer turns into inspection mark
The limiting factor of label, the usage scenario of inspection label is expanded.
Optionally, the internal layer shell includes the polyvinyl chloride base material that thickness is 0.3mm, is formed through dual sided lamination.It is described
Outer casing includes the closed shell being made up of polyurethane.
In force, the internal layer shell in label housing can typically use the polyvinyl chloride base material that thickness is 0.3mm,
And technique of the internal layer shell through dual sided lamination for being separately positioned on the both sides of radio-frequency antenna 1 is made, can to radio-frequency antenna 1 and
Label chip plays enough protective effects, prevents because external world's collision causes label housing distortion to cause label chip, radio frequency day
The damage of line.
Outer casing is the closed shell formed using polyurethane, provides whole inspection label water proof and dust proof shockproof three
Anti- characteristic.
Optionally, the radio-frequency antenna is made up of thickness of 18 μm of aluminium foil or copper foil.
In force, the antenna based on above-mentioned setting, antenna feed impedance are about 20+j148.6 ohms, and antenna most preferably hinders
Resist and be：The Ω of real part 11, the Ω of imaginary part 143.Practical impedance is the Ω of real part 20, the Ω of imaginary part 148.6.Matching efficiency 88.677496%,
With loss 0.5218657dB.In view of matching loss, actual gain is about 0.8dBi.In theory, the reading for being 36dBm with EIRP
Head, 915MHz check distance probably in 12m or so.
The gain analysis curve of the radio-frequency antenna is as shown in Fig. 2 from curve, in the plane described in radio-frequency antenna,
On 90 °, -90 ° and 180 ° of direction, the gain of radio-frequency antenna is best.
Optionally, the label chip is Impinj M4 chips.
In force, Impinj M4 chips read sensitivity decrease 4.8dB, read distance increase relative to prior-generation M3 chips
74%, sensitivity decrease 6.1dB is write, write distance and add 100%.The application being more suitable under remote, complex environment.
The RFID pipeline inspection labels using Impinj M4 chips based on said structure, it is general that antenna is based on floor tile
Specification is designed.The actual gain of RFID antenna is better than 0.8dBi.In theory, it is clear with 36dBm EIRP read head, 915MHz
Point distance is probably at 12 meters or so.
In actual use, when label is attached to floor tile, on kilometer stone when, due to the influence on ground, check distance
Can be more remote than above range.Be installed on the label on kilometer stone surface, by previous experiences know rainwater (being free of electrolyte), snow,
Ice has no significant effect to tag performance.
The utility model provides the pipeline inspection label based on RFID, including：Label housing, it is provided with label housing
For accommodating the groove of radio-frequency antenna, radio-frequency antenna and label chip are installed in a groove；Label housing includes internal layer shell
And outer casing, radio-frequency antenna include internal antenna, and the outside antenna being connected with internal antenna.By by the overall shape of radio-frequency antenna
The shape of shape and inspection label is adjusted, while using the double-antenna structure being made up of internal antenna and outside antenna, strengthens radio frequency
Antenna launches the signal reception of electromagnetic wave for reader so that inspection label can still receive in the deeper region in underground
To the signal of reader, the sensitivity of the inspection label is improved, order distance is no longer as the limiting factor of inspection label, expansion
The usage scenario of inspection label.
Each sequence number in above-described embodiment is for illustration only, does not represent the elder generation during the assembling or use of each part
Order afterwards.
Embodiment of the present utility model is the foregoing is only, it is all in the utility model not to limit the utility model
Spirit and principle within, any modification, equivalent substitution and improvements made etc., should be included in protection model of the present utility model
Within enclosing.
Claims (7)
1. the pipeline inspection label based on RFID, the inspection label is arranged on floor tile or kilometer stone, it is characterised in that institute
Inspection label is stated, including：
Label housing, the groove for being used for accommodating radio-frequency antenna is provided with label housing, radio-frequency antenna is installed in a groove, with
And the label chip electrically connected with radio-frequency antenna；
Wherein, the label housing includes the internal layer shell contacted with radio-frequency antenna and label chip, and is coated on inner layer case
External outer casing, the radio-frequency antenna include internal antenna, and the outside antenna being connected with internal antenna.
2. the pipeline inspection label according to claim 1 based on RFID, it is characterised in that the internal layer shell includes thickness
The polyvinyl chloride base material for 0.3mm is spent, is formed through dual sided lamination.
3. the pipeline inspection label according to claim 1 based on RFID, it is characterised in that the outer casing include by
The closed shell that polyurethane is formed.
4. the pipeline inspection label according to claim 1 based on RFID, it is characterised in that
The internal antenna is square in class and has four sides, and relative both sides are provided with depression on internal antenna, on both sides relative in addition
Inner side is provided with sub-antenna.
5. the pipeline inspection label according to claim 4 based on RFID, it is characterised in that
The outside antenna includes four relatively independent extension antennas being connected on internal antenna, and extension antenna is including in being connected to
Head on antenna and the afterbody away from internal antenna, afterbody shrink in the shape of a spiral, in screw-pinch portion provided with by inner ring and outside
Enclose the intensive cabling of connection.
6. the pipeline inspection label according to claim 4 based on RFID, it is characterised in that the radio-frequency antenna is by thickness
It is made up of 18 μm of aluminium foil or copper foil.
7. the pipeline inspection label based on RFID according to any one of claim 1 to 6, it is characterised in that the label
Chip is Impinj M4 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668055.9U CN206991353U (en) | 2017-06-09 | 2017-06-09 | Pipeline inspection label based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720668055.9U CN206991353U (en) | 2017-06-09 | 2017-06-09 | Pipeline inspection label based on RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991353U true CN206991353U (en) | 2018-02-09 |
Family
ID=61395411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720668055.9U Active CN206991353U (en) | 2017-06-09 | 2017-06-09 | Pipeline inspection label based on RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107392293A (en) * | 2017-06-09 | 2017-11-24 | 国网浙江省电力公司宁波供电公司 | Pipeline inspection label based on RFID |
-
2017
- 2017-06-09 CN CN201720668055.9U patent/CN206991353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107392293A (en) * | 2017-06-09 | 2017-11-24 | 国网浙江省电力公司宁波供电公司 | Pipeline inspection label based on RFID |
| CN107392293B (en) * | 2017-06-09 | 2024-02-13 | 国网浙江省电力公司宁波供电公司 | Pipeline inspection tag based on RFID |
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