CN219039774U - Ultrahigh frequency intelligent tag with pass frequency effect - Google Patents
Ultrahigh frequency intelligent tag with pass frequency effect Download PDFInfo
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- CN219039774U CN219039774U CN202223030599.2U CN202223030599U CN219039774U CN 219039774 U CN219039774 U CN 219039774U CN 202223030599 U CN202223030599 U CN 202223030599U CN 219039774 U CN219039774 U CN 219039774U
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Abstract
The utility model discloses an ultrahigh frequency intelligent tag with a through frequency effect, which comprises a conductive pattern arranged on a carrier insulating layer, wherein the conductive pattern comprises a rectangular antenna conductive pattern and a peripheral conductive pattern positioned at the periphery of the rectangular antenna conductive pattern, the upper end of the rectangular antenna conductive pattern is positioned in the length direction and is provided with a feed port, and the two ends of the feed port are respectively connected with two electrodes of an RFID chip; the inner periphery of the peripheral conductive pattern is provided with a cladding groove, and the rectangular antenna conductive pattern is positioned in the cladding groove; the notch of the cladding type groove is horn-shaped and is positioned above the upper end of the conductive pattern of the rectangular antenna, and the maximum caliber of the notch is smaller than the length of the conductive pattern of the rectangular antenna; the utility model effectively improves the pass frequency effect of the intelligent labels, particularly, when the ultra-high frequency working frequency is 900-930MHz, each intelligent label shows excellent pass frequency effect, and meets the use requirement of people on the ultra-high frequency intelligent labels with excellent pass frequency effect.
Description
Technical Field
The utility model belongs to the field of intelligent labels, and particularly relates to an ultrahigh frequency intelligent label with a pass frequency effect.
Background
The main working principle of the intelligent tag is that a radio frequency identification technology (Radio Frequency Identification, RFID) is adopted, and is one of automatic identification technologies, non-contact two-way data communication is carried out in a wireless radio frequency mode, and the electronic tag is read and written in the wireless radio frequency mode, so that the aims of identifying a target and exchanging data are fulfilled. Radio frequency identification technology has been widely used in the field of smart tag products. In the prior art, the most commonly used communication frequencies of the smart tag include ultra-high frequency (generally at 860-960 MHz) and high frequency (generally at 13.56 MHz), the high frequency smart tag is mainly used in application scenes with short communication distance (such as card products like entrance guard, etc.), and the ultra-high frequency smart tag is mainly used in application scenes with long communication distance (such as logistics transportation, storage, clothing, etc.).
In the clothing occasion that the hyperfrequency intelligent label was used, people hoped that under fixed section frequency, all kinds of clothing dress that a large amount of install hyperfrequency intelligent label can all demonstrate similar sensitivity and reading distance under this fixed section frequency, be convenient for carry out reliable stable intelligent label discernment management, also can be called the logical frequency effect. However, the current ultrahigh frequency intelligent tag still has an unsatisfactory performance on the pass frequency effect.
Therefore, the applicant decides to seek a technical solution to improve the passband effect of the ultra-high frequency smart tag.
Disclosure of Invention
Therefore, the utility model aims to provide the ultrahigh frequency intelligent tag with the pass frequency effect, so that the pass frequency effect of the intelligent tag is effectively improved, and particularly, when the ultrahigh frequency working frequency is 900-930MHz, each intelligent tag shows an excellent pass frequency effect, and the use requirement of people on the ultrahigh frequency intelligent tag with the excellent pass frequency effect is met.
The technical scheme adopted by the utility model is as follows:
an ultra-high frequency smart tag having a through-frequency effect, comprising a conductive pattern provided on a carrier insulating layer, the conductive pattern comprising a rectangular antenna conductive pattern and a peripheral conductive pattern located at the periphery of the rectangular antenna conductive pattern, wherein,
the upper end of the rectangular antenna conductive pattern is positioned in the length direction and is provided with a feed port, and two ends of the feed port are respectively connected with two electrodes of the RFID chip;
the inner periphery of the peripheral conductive pattern is provided with a cladding type groove, and the rectangular antenna conductive pattern is positioned in the cladding type groove;
the notch of the cladding type groove is horn-shaped and is positioned above the upper end of the conductive pattern of the rectangular antenna, and the maximum caliber of the notch is smaller than the length of the conductive pattern of the rectangular antenna.
Preferably, the peripheral conductive pattern includes a left conductive pattern unit, a right conductive pattern unit, and a bottom conductive pattern unit, wherein the bottom conductive pattern unit is located below the lower end of the rectangular antenna conductive pattern and is conductively connected with the lower end of the rectangular antenna conductive pattern; and the bottom conductive pattern unit is integrally connected with the left conductive pattern unit and the right conductive pattern unit, respectively.
Preferably, the connection part of the bottom conductive pattern unit between the lower ends of the rectangular antenna conductive patterns is located in the middle of the bottom conductive pattern unit, and the length of the connection part is smaller than that of the bottom conductive pattern unit, so that a left groove and a right groove are respectively formed between the bottom conductive pattern unit and the rectangular antenna conductive patterns.
Preferably, the width of the connection is in the range of 10-14mm; the groove width ranges of the left groove and the right groove are 2.5-4mm.
Preferably, the center of the bottom conductive pattern unit is flush with the center of the rectangular antenna conductive pattern, and the left conductive pattern unit and the right conductive pattern unit are distributed in bilateral symmetry with respect to the center of the rectangular antenna conductive pattern.
Preferably, the left conductive pattern unit includes a left abnormal conductive pattern portion located above and a left rectangular conductive pattern portion located below; wherein the left rectangular conductive pattern part corresponds to the rectangular antenna conductive pattern in a left-right interval manner, and the length of the left rectangular conductive pattern part is larger than the width of the rectangular antenna conductive pattern; the left abnormal conductive pattern part and the right abnormal conductive pattern part are correspondingly matched to form the horn-shaped notch.
Preferably, a distance between the left rectangular conductive pattern portion and the rectangular antenna conductive pattern is in a range of 2-4mm.
Preferably, the rectangular antenna conductive pattern includes left antenna pattern units and right antenna pattern units which are symmetrically distributed in a left-right direction, wherein the width of the left antenna pattern unit is larger than the width of the left rectangular conductive pattern portion and smaller than the width of the left abnormal conductive pattern portion, and the width of the bottom conductive pattern unit is smaller than the width of the left rectangular conductive pattern portion.
Preferably, the notch has a first aperture ranging from 24 to 28mm and a second aperture ranging from 30 to 38mm, the rectangular antenna conductive pattern has a length ranging from 40 to 45mm, and the rectangular antenna conductive pattern is located near the second aperture, and the space between the left antenna pattern unit and the right antenna pattern unit is equal to or near the first aperture.
Preferably, the surface paper is positioned above the carrier insulating layer, and the bottom paper is positioned below the carrier insulating layer, and the surface paper, the carrier insulating layer and the bottom paper are combined into a whole; the communication frequency of the ultra-high frequency intelligent tag is 860-960MHz, and more preferably 900-930MHz.
The conductive pattern according to the present application is made of a conductive material, and may be made of an aluminum material, which is common knowledge of those skilled in the art, and the present application is not described separately.
According to the utility model, through arranging the rectangular antenna conductive pattern and the peripheral conductive pattern which are designed in an original structure, a formed cladding type groove structure is arranged on the inner periphery of the peripheral conductive pattern, the rectangular antenna conductive pattern is cladded in the cladding type groove, meanwhile, the notch of the cladding type groove is horn-shaped, the notch is positioned above the upper end (provided with a feed port) of the rectangular antenna conductive pattern, and the maximum caliber of the notch is smaller than the length of the rectangular antenna conductive pattern; through practical application verification, the utility model effectively improves the pass frequency effect of the intelligent labels, particularly, when the ultra-high frequency working frequency is 900-930MHz, each intelligent label shows excellent pass frequency effect, and the use requirement of people on the ultra-high frequency intelligent labels with excellent pass frequency effect is met.
Drawings
FIG. 1 is a schematic view of the structure of a conductive pattern 1 according to an embodiment of the present utility model;
FIG. 2 is FIG. 1 with some sizing;
FIG. 3 is FIG. 1 with additional sizing;
FIG. 4 is a photograph of a conductive pattern of an embodiment of the present utility model (for reference);
FIG. 5 is a sensitivity versus test curve corresponding to Table 1;
FIG. 6 is a graph of maximum read distance versus test corresponding to Table 2.
Detailed Description
The embodiment of the utility model discloses an ultrahigh frequency intelligent tag with a pass frequency effect, which comprises a conductive pattern arranged on a carrier insulating layer, wherein the conductive pattern comprises a rectangular antenna conductive pattern and a peripheral conductive pattern positioned at the periphery of the rectangular antenna conductive pattern, the upper end of the rectangular antenna conductive pattern is positioned in the length direction and is provided with a feed port, and two ends of the feed port are respectively connected with two electrodes of an RFID chip; the inner periphery of the peripheral conductive pattern is provided with a cladding groove, and the rectangular antenna conductive pattern is positioned in the cladding groove; the notch of the cladding type groove is horn-shaped and is positioned above the upper end of the conductive pattern of the rectangular antenna, and the maximum caliber of the notch is smaller than the length of the conductive pattern of the rectangular antenna.
In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Referring to fig. 1, fig. 2 and fig. 3 in combination, the present embodiment provides an ultrahigh frequency smart tag with a passband effect, which includes a piece of facial tissue (not shown in the drawings, a known structure) above a carrier insulating layer (not shown in the drawings) and a piece of base tissue (not shown in the drawings, a known structure) below the carrier insulating layer, wherein the facial tissue, the carrier insulating layer and the base tissue are combined into a whole; the communication frequency of the ultra-high frequency smart tag is 860-960MHz, and more preferably 900-930MHz.
In the present embodiment, the conductive pattern 1 is provided on the carrier insulating layer, and particularly preferably, in the present embodiment, the length L1 dimension of the conductive pattern 1 is particularly 50mm and the width W1 dimension is 30mm; wherein the conductive pattern 1 comprises a rectangular antenna conductive pattern 10 and a peripheral conductive pattern 20 positioned at the periphery of the rectangular antenna conductive pattern 10, wherein the upper end 10a of the rectangular antenna conductive pattern 10 is positioned in the length direction and is provided with a feed port 11, and two ends of the feed port 11 are respectively connected with two electrodes of the RFID chip 30; the inner periphery of the peripheral conductive pattern 20 is provided with a cladding groove 21, and the rectangular antenna conductive pattern 10 is positioned in the cladding groove 21; the notch 21a of the cladding groove 21 is horn-shaped and is located above the upper end 1ea of the rectangular antenna conductive pattern, and the maximum caliber phi 1 of the notch 21a is smaller than the length L10 of the rectangular antenna conductive pattern 10.
Preferably, in order to further facilitate the pass-band effect of the ultra-high frequency smart tag while facilitating its sensitivity, in the present embodiment, the peripheral conductive pattern 20 includes a left conductive pattern unit 22, a right conductive pattern unit 23, and a bottom conductive pattern unit 24, wherein the bottom conductive pattern unit 24 is located below the rectangular antenna conductive pattern lower end 10b and is electrically connected with the rectangular antenna conductive pattern lower end 10 b; while the bottom conductive pattern unit 24 is integrally connected with the left conductive pattern unit 22 and the right conductive pattern unit 23, respectively;
further preferably, in the present embodiment, the connection 41 of the bottom conductive pattern unit 24 between the lower ends 10b of the rectangular antenna conductive pattern is located in the middle of the bottom conductive pattern unit, and the length L41 thereof is smaller than the length L24 of the bottom conductive pattern unit 24, so that the left side groove 42 and the right side groove 43 are formed between the bottom conductive pattern unit 24 and the rectangular antenna conductive pattern 10, respectively; particularly preferably, in the present embodiment, the width L41 of the connection portion 41 ranges from 10 to 14mm; the groove width W4 of the left side groove 42 and the right side groove 43 is 2.5-4mm.
Preferably, in order to further facilitate the sensitivity of the ultra-high frequency smart tag while increasing the maximum reading distance thereof, in the present embodiment, the center of the bottom conductive pattern unit 24 is flush with the center of the rectangular antenna conductive pattern 10, and the left conductive pattern unit 22 and the right conductive pattern unit 23 are symmetrically distributed with respect to the center of the rectangular antenna conductive pattern 10.
Preferably, in order to further facilitate the pass-band effect of the ultra-high frequency smart tag while facilitating its sensitivity, in the present embodiment, the left conductive pattern unit 22 includes a left abnormal-shaped conductive pattern portion 22a located above and a left rectangular conductive pattern portion 22b located below; wherein the left rectangular conductive pattern portion 22a corresponds to the rectangular antenna conductive pattern 10 in a left-right interval, and the length L22a of the left rectangular conductive pattern portion 22a is greater than the width W10 of the rectangular antenna conductive pattern 10; the left irregular conductive pattern portion 22a and the right irregular conductive pattern portion 22b are correspondingly matched to form a horn-shaped notch 21a; it is particularly preferable that the distance D1 between the left-side rectangular conductive pattern portion 22a and the rectangular antenna conductive pattern 10 is in the range of 2 to 4mm.
Preferably, in order to further facilitate the pass-band effect of the ultra-high frequency smart tag while securing the sensitivity thereof, in the present embodiment, the rectangular antenna pattern 10 includes left antenna pattern units 10c and right antenna pattern units 1ed symmetrically distributed in a left-right direction, wherein the width W10c of the left antenna pattern unit 10c is larger than the width W22a of the left rectangular conductive pattern portion 22a and smaller than the width W22b of the left irregular conductive pattern portion 22b, and the width W24 of the bottom conductive pattern unit 24 is smaller than the width W22a of the left rectangular conductive pattern portion 22a; it is particularly preferable that the first aperture phi 2 of the notch 21a is in the range of 24-28mm, the second aperture (i.e., the maximum aperture) phi 1 thereof is in the range of 30-38mm, the length L10 of the rectangular antenna conductive pattern 10 is in the range of 40-45mm, and the rectangular antenna conductive pattern 21 is located close to the position at the second aperture phi 1 while the distance D2 between the left antenna pattern unit 10c and the right antenna pattern unit 1ed is equal to or close to the first aperture phi 2;
particularly preferably, in the present embodiment, the relevant dimensions of the conductive pattern 1 are specifically set as follows:
the width L41 of the joint 41 is 12mm; the groove widths W4 of the left groove 42 and the right groove 43 are 3mm; the distance D1 between the left-side rectangular conductive pattern portion 22a and the rectangular antenna conductive pattern 10 is 2.5mm;
the first caliber phi 2 of the notch 21a is 26mm, and the second caliber phi 1 is 34mm; the length L10 of the rectangular antenna conductive pattern 10 is about 37mm, and the width W10 of the rectangular antenna conductive pattern 10 is about 14mm;
the spacing D2 between the left antenna pattern element 10c and the right antenna pattern element 10D is about 26mm;
the length L22a of the left rectangular conductive pattern portion 22a is 16mm; the width W10c of the left antenna pattern element 10c is 5.3mm; the width W22a of the left rectangular conductive pattern portion 22a is 4mm; the width W22b of the left abnormal conductive pattern 22b is 12mm; the width W24 of the bottom conductive pattern unit 24 is 2mm.
In order to verify the technical effects obtained by the application, the applicant adopts the known intelligent tag performance test equipment to respectively divide the intelligent tag performance test equipment into five groups to sequentially perform sensitivity and maximum reading distance comparison test:
a first group: the ultra-high frequency intelligent tag of the embodiment (the photo of which is shown in fig. 4) is referred to as "the embodiment";
second group: the ultrahigh frequency intelligent tag of the embodiment is set as a clothes tag, which is called as a pocket for short "
Third group: the ultrahigh frequency intelligent tag of the embodiment is set as a clothes tag of 1T-shirt, namely 'Ticket+1T-shirt';
fourth group: the ultrahigh frequency intelligent tags of the embodiment are respectively set as clothes tags of 2T-shirts, namely 'Ticket+2T-shirts';
fifth group: the ultrahigh frequency intelligent labels of the embodiment are respectively set as clothes labels of 1 jeans, namely 'Ticket+1 jeans'.
In the sensitivity test, the corresponding sensitivity (unit: dBm) is tested at different frequencies, and the higher the negative value of the sensitivity is, the higher the sensitivity is represented:
the comparative test results are shown in Table 1 below and FIG. 5 corresponding thereto:
table 1: sensitivity versus test meter
In the maximum reading distance comparison test, 2W power is adopted, and the corresponding maximum reading distance (unit: m) is tested under different frequencies, wherein the numerical value is the largest, which means that the farther the reading distance is:
for the comparative test results, see table 2 below and its corresponding fig. 6:
table 2: maximum reading distance comparison test meter
Through the comparison test, the embodiment provided by the application can effectively ensure the pass frequency effect of the intelligent tag (especially in the working frequency range of 900-930 MHz), and simultaneously ensure that the intelligent tag has excellent sensitivity and maximum reading distance performance.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. An ultra-high frequency smart tag having a pass-band effect, comprising a conductive pattern provided on a carrier insulating layer, characterized in that the conductive pattern comprises a rectangular antenna conductive pattern and a peripheral conductive pattern located at the periphery of the rectangular antenna conductive pattern, wherein,
the upper end of the rectangular antenna conductive pattern is positioned in the length direction and is provided with a feed port, and two ends of the feed port are respectively connected with two electrodes of the RFID chip;
the inner periphery of the peripheral conductive pattern is provided with a cladding type groove, and the rectangular antenna conductive pattern is positioned in the cladding type groove;
the notch of the cladding type groove is horn-shaped and is positioned above the upper end of the conductive pattern of the rectangular antenna, and the maximum caliber of the notch is smaller than the length of the conductive pattern of the rectangular antenna.
2. The ultra-high frequency smart tag with pass frequency effect according to claim 1, wherein the peripheral conductive pattern comprises a left conductive pattern unit, a right conductive pattern unit and a bottom conductive pattern unit, wherein the bottom conductive pattern unit is located below and conductively connected with the lower end of the rectangular antenna conductive pattern; and the bottom conductive pattern unit is integrally connected with the left conductive pattern unit and the right conductive pattern unit, respectively.
3. The ultra-high frequency smart tag with passband effect according to claim 2, wherein the connection of the bottom conductive pattern unit between the lower ends of the rectangular antenna conductive patterns is located in the middle of the bottom conductive pattern unit and has a length smaller than that of the bottom conductive pattern unit, so that a left side groove and a right side groove are formed between the bottom conductive pattern unit and the rectangular antenna conductive patterns, respectively.
4. An ultra high frequency smart tag with pass frequency effect according to claim 3, wherein the width of the junction is in the range of 10-14mm; the groove width ranges of the left groove and the right groove are 2.5-4mm.
5. The ultra-high frequency smart tag with passband effect according to claim 2, wherein the center of the bottom conductive pattern unit is flush with the center of the rectangular antenna conductive pattern, and
the left conductive pattern unit and the right conductive pattern unit are distributed in bilateral symmetry with respect to the center of the rectangular antenna conductive pattern.
6. The ultra-high frequency smart tag with pass frequency effect according to claim 5, wherein said left conductive pattern unit comprises a left abnormal conductive pattern portion located above and a left rectangular conductive pattern portion located below; wherein the left rectangular conductive pattern part corresponds to the rectangular antenna conductive pattern in a left-right interval manner, and the length of the left rectangular conductive pattern part is larger than the width of the rectangular antenna conductive pattern; the left abnormal conductive pattern part and the right abnormal conductive pattern part are correspondingly matched to form the horn-shaped notch.
7. The ultra-high frequency smart tag with passband effect according to claim 6, wherein a distance between the left side rectangular conductive pattern portion and the rectangular antenna conductive pattern ranges from 2 to 4mm.
8. The ultra-high frequency smart tag with passband effect according to claim 6, wherein the rectangular antenna pattern comprises left and right antenna pattern units symmetrically distributed about, wherein the width of the left antenna pattern unit is larger than the width of the left rectangular conductive pattern portion and smaller than the width of the left profiled conductive pattern portion, and the width of the bottom conductive pattern unit is smaller than the width of the left rectangular conductive pattern portion.
9. The uhf smart tag with passthrough effect of claim 8, wherein the notch has a first aperture in the range of 24-28mm and a second aperture in the range of 30-38mm, the rectangular antenna conductive pattern has a length in the range of 40-45mm, and the rectangular antenna conductive pattern is located near the second aperture, and the spacing between the left antenna pattern and the right antenna pattern is equal to or near the first aperture.
10. The ultrahigh frequency intelligent tag with the through-frequency effect according to claim 1, comprising a piece of facial tissue above the carrier insulating layer and a piece of base tissue below the carrier insulating layer, wherein the facial tissue, the carrier insulating layer and the base tissue are combined into a whole; the communication frequency of the ultra-high frequency intelligent tag is 860-960MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223030599.2U CN219039774U (en) | 2022-11-15 | 2022-11-15 | Ultrahigh frequency intelligent tag with pass frequency effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223030599.2U CN219039774U (en) | 2022-11-15 | 2022-11-15 | Ultrahigh frequency intelligent tag with pass frequency effect |
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| CN219039774U true CN219039774U (en) | 2023-05-16 |
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| CN202223030599.2U Active CN219039774U (en) | 2022-11-15 | 2022-11-15 | Ultrahigh frequency intelligent tag with pass frequency effect |
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