Intelligent label with multiple calibration points

Abstract

The utility model discloses an intelligent label with multiple calibration points, which belongs to the technical field of intelligent labels and comprises a chip antenna conductive pattern module arranged on a first carrier insulating layer and an antenna conductive pattern module arranged on a second carrier insulating layer, and the first carrier insulating layer and the second carrier insulating layer are compounded into a whole. A central U-shaped antenna groove is formed in the middle of the antenna conductive pattern module, the chip antenna conductive pattern module is located in the central U-shaped antenna groove, and a feed port is formed in the middle of the upper end of the chip antenna conductive pattern module. Through the above mode, the novel design of 14 * 70mm is adopted, and three point positions are arranged, so that one electric small ring can adapt to three chips, the universality of the electric small ring is stronger, and compared with the previous design of the same size, the sensitivity of the intelligent tag is obviously and effectively improved, and the application range of the intelligent tag is widened. And meanwhile, the maximum reading distance of the intelligent tag is also obviously increased.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent tags, and particularly relates to a multi-mark fixed-point intelligent tag. Background Art

[0002] An intelligent tag is based on the tag center to establish a unified logical model across multiple cloud computing resources. Developers can quickly build applications through the interface in this logical model of "tag".

[0003] For example, Chinese Patent CN217821644U discloses a ultra-high frequency composite intelligent tag, which includes a chip antenna conductive pattern arranged on a first carrier insulating layer and an antenna conductive pattern arranged on a second carrier insulating layer. The first carrier insulating layer and the second carrier insulating layer are compounded into one body. Among them, the chip antenna conductive pattern is provided with a feeding port, and both ends of the feeding port are respectively connected to two electrodes of the RFID chip. The antenna conductive pattern is provided with a central U-shaped antenna slot in the middle, and the chip antenna conductive pattern is located in the central U-shaped antenna slot.

[0004] However, its technology has the following problems. Only one point is opened on the chip antenna conductive pattern, that is, there is only one binding point. One chip is adapted to one electrically small loop, and the versatility of the electrically small loop is not strong.

[0005] Based on this, the utility model designs a multi-mark fixed-point intelligent tag to solve the above problems. Summary of the Utility Model

[0006] In view of the above-mentioned drawbacks existing in the prior art, the utility model provides a multi-mark fixed-point intelligent tag.

[0007] To achieve the above object, the utility model is realized through the following technical solutions:

[0008] A multi-mark fixed-point intelligent tag includes a chip antenna conductive pattern module arranged on a first carrier insulating layer and an antenna conductive pattern module arranged on a second carrier insulating layer. The first carrier insulating layer and the second carrier insulating layer are compounded into one body.

[0009] A central U-shaped antenna slot is arranged in the middle of the antenna conductive pattern module. The chip antenna conductive pattern module is located in the central U-shaped antenna slot. A feeding port is arranged in the middle of the upper end of the chip antenna conductive pattern module.

[0010] The chip antenna conductive pattern module includes a first point slot, a second point slot, a third point slot, and a chip antenna conductive pattern body. The first point slot, the second point slot, and the third point slot are sequentially formed inside the chip antenna conductive pattern body from top to bottom. The first point slot is located at the lower end of the feeding port, and the lower ends on both the left and right sides of the feeding port extend into the first point slot to form a first protrusion. The lower end of the second point slot extends into the third point slot to form a second protrusion. The slot width of the first point slot is greater than that of the third point slot, the slot width of the third point slot is greater than that of the second point slot, the slot depth of the third point slot is greater than that of the first point slot, and the slot depth of the first point slot is greater than that of the second point slot.

[0011] Furthermore, the chip antenna conductive pattern body is in a closed shape.

[0012] Furthermore, the center lines of the first point slot, the second point slot, the third point slot, and the chip antenna conductive pattern body coincide with the center line of the center U-shaped antenna slot.

[0013] Furthermore, the lower end of the chip antenna conductive pattern body extends downward to form an antenna composite extension edge, and the antenna composite extension edge is integrated with the bottom of the center U-shaped antenna slot.

[0014] Furthermore, there are two antenna conductive pattern modules, which are symmetric left and right and distributed on both sides of the center U-shaped antenna slot. The two antenna conductive pattern modules are respectively connected to the left and right sides of the center U-shaped antenna slot.

[0015] Furthermore, the antenna conductive pattern module includes a rectangular pattern unit, a U-shaped slot, a columnar pattern unit, a first inverted U-shaped slot, a side branch U-shaped slot antenna slot, and a second inverted U-shaped slot. The bottom of the center U-shaped antenna slot is flush with the bottoms of the rectangular pattern unit and the side branch U-shaped slot antenna slot, and the upper ends of the center U-shaped antenna slot are flush with the upper ends of the rectangular pattern unit and the side branch U-shaped slot antenna slot. The upper end of the center U-shaped antenna slot is higher than the upper end of the first point slot. The rectangular pattern unit is electrically connected to the left side of the side branch U-shaped slot antenna slot through the columnar pattern unit, and the right side of the side branch U-shaped slot antenna slot is electrically connected to the center U-shaped antenna slot. The right side of the rectangular pattern unit is connected to the left side of the columnar pattern unit to form a U-shaped slot, the right side of the columnar pattern unit is connected to the left side of the side branch U-shaped slot antenna slot to form a first inverted U-shaped slot, and the right side of the side branch U-shaped slot antenna slot is connected to the left side of the center U-shaped antenna slot to form a second inverted U-shaped slot.

[0016] Furthermore, the slot widths of the first inverted U-shaped slot, the side branch U-shaped slot antenna slot, and the second inverted U-shaped slot are equal, and are all smaller than the slot width of the U-shaped slot. The slot width of the U-shaped slot is smaller than the slot width of the center U-shaped antenna slot.

[0017] Furthermore, the groove depth of the U-shaped groove is equal to that of the first inverted U-shaped groove and is smaller than the groove depths of the side-branch U-shaped groove antenna groove and the second inverted U-shaped groove. The groove depths of the second inverted U-shaped groove, the side-branch U-shaped groove antenna groove, and the central U-shaped antenna groove are all equal.

[0018] Furthermore, the groove width of the central U-shaped antenna groove is greater than its groove depth.

[0019] Furthermore, both ends of the feeding port are respectively connected to two electrodes of an externally connected RFID chip, and the feeding port is located on one side close to the opening of the central U-shaped antenna groove.

[0020] The beneficial effects of the present utility model compared with the prior art are as follows:

[0021] The present utility model adopts a new design of 14x70mm and has three positions. The three positions are all adapted to different chips, and the three chips can be fixedly installed into the three positions, so that a small electric loop can be adapted to three chips, and the versatility of the small electric loop is stronger. Moreover, compared with the previous design of the same size, the present utility model significantly improves the sensitivity of the smart label and also significantly increases the maximum reading distance of the smart label. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0023] Figure 1 It is a schematic structural diagram of a multi-label fixed-point smart label of the present utility model;

[0024] Figure 2 It is a schematic structural diagram of a chip antenna conductive pattern module of the present utility model;

[0025] Figure 3 It is a schematic structural diagram of an antenna conductive pattern module of the present utility model.

[0026] The reference numerals in the figures respectively represent:

[0027] 1. Chip antenna conductive pattern module 11. First point slot 12. Second point slot 13. Third point slot 14. Chip antenna conductive pattern body 15. Antenna composite epitaxial edge 2. Antenna conductive pattern module 21. Rectangular pattern unit 22. U-shaped slot 23. Columnar pattern unit 24. First inverted U-shaped slot 25. Side branch U-shaped antenna slot 26. Second inverted U-shaped slot 3. Central U-shaped antenna slot 4. Feed port. Detailed implementation mode

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments 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. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment 1

[0030] In some embodiments, please refer to the accompanying specification Figures 1-3 , a multi-calibration point intelligent tag, including a chip antenna conductive pattern module 1 arranged on a first carrier insulating layer and an antenna conductive pattern module 2 arranged on a second carrier insulating layer, and the first carrier insulating layer and the second carrier insulating layer are compounded into one body;

[0031] A central U-shaped antenna slot 3 is provided in the middle of the antenna conductive pattern module 2, the chip antenna conductive pattern module 1 is located in the central U-shaped antenna slot 3, and a feed port 4 is provided in the middle of the upper end of the chip antenna conductive pattern module 1;

[0032] The chip antenna conductive pattern module 1 includes a first point slot 11, a second point slot 12, a third point slot 13 and a chip antenna conductive pattern body 14. The first point slot 11, the second point slot 12 and the third point slot 13 are sequentially opened inside the chip antenna conductive pattern body 14 from top to bottom. The first point slot 11 is located below the feed port 4, and the lower ends on both sides of the feed port 4 extend into the first point slot 11 to form a first protrusion. The lower end of the second point slot 12 extends into the third point slot 13 to form a second protrusion. The slot width of the first point slot 11 is greater than the slot width of the third point slot 13, the slot width of the third point slot 13 is greater than the slot width of the second point slot 12, the slot depth of the third point slot 13 is greater than the slot depth of the first point slot 11, and the slot depth of the first point slot 11 is greater than the slot depth of the second point slot 12.

[0033] In this article, the slot width refers to the distance between the left and right ends, and the slot depth refers to the distance between the upper and lower ends.

[0034] The first carrier insulating layer is made of PET film, and the second carrier insulating layer is made of PET film, paper or fabric substrate; the chip antenna conductive pattern body 14 is formed by laser cutting or etching process, and the antenna conductive pattern module 2 is formed by die-cutting process.

[0035] The length of the chip antenna conductive pattern body 14 is 17 mm, that is, the distance between the left and right sides of the chip antenna conductive pattern body 14, and the width is 12.5 mm, that is, the distance between the upper and lower sides of the chip antenna conductive pattern body 14.

[0036] The first point slot 11 is used to place U8 or U9 series chips, the second point slot 12 is used to place M700 series chips, and the third point slot 13 is used to place MR6 or MR6P chips.

[0037] The chip antenna conductive pattern body 14 is in a closed shape.

[0038] The center lines of the first point slot 11, the second point slot 12, the third point slot 13, and the chip antenna conductive pattern body 14 all coincide with the center line of the central U-shaped antenna slot 3.

[0039] The lower end of the chip antenna conductive pattern body 14 extends downward to form an antenna composite extension edge 15, and the antenna composite extension edge 15 is integrated with the bottom of the central U-shaped antenna slot 3.

[0040] The chip antenna conductive pattern body 14 is in a closed shape.

[0041] The center lines of the first point slot 11, the second point slot 12, the third point slot 13, and the chip antenna conductive pattern body 14 all coincide with the center line of the central U-shaped antenna slot 3, which is beneficial to further improve the recognition sensitivity of the smart label.

[0042] The lower end of the chip antenna conductive pattern body 14 extends downward to form an antenna composite extension edge 15, and the antenna composite extension edge 15 is integrated with the bottom of the central U-shaped antenna slot 3. The area of the antenna composite extension edge 15 that is combined with the bottom of the central U-shaped antenna slot 3 is not more than 1 / 2 of the area of the antenna composite extension edge 15. After actual detection, when the composite area is too large, it will affect the sensitivity of the smart label.

[0043] There are two antenna conductive pattern modules 2, which are symmetric left and right and are distributed on both sides of the central U-shaped antenna slot 3. The two antenna conductive pattern modules 2 are respectively connected to the left and right sides of the central U-shaped antenna slot 3.

[0044] Embodiment 2

[0045] In some embodiments, such as Figures 1-3As shown in the figure, as a preferred embodiment of the present utility model, the antenna conductive pattern module 2 includes a rectangular pattern unit 21, a U-shaped groove 22, a columnar pattern unit 23, a first inverted U-shaped groove 24, a side-branch U-shaped groove antenna groove 25, and a second inverted U-shaped groove 26. The bottom of the central U-shaped antenna groove 3 is flush with the bottoms of the rectangular pattern unit 21 and the side-branch U-shaped groove antenna groove 25, and the upper ends of the central U-shaped antenna groove 3 are flush with the upper ends of the rectangular pattern unit 21 and the side-branch U-shaped groove antenna groove 25. The upper end of the central U-shaped antenna groove 3 is higher than the upper end of the first point groove 11. The rectangular pattern unit 21 is electrically connected to the left side of the side-branch U-shaped groove antenna groove 25 through the columnar pattern unit 23. The right side of the side-branch U-shaped groove antenna groove 25 is electrically connected to the central U-shaped antenna groove 3. The right side of the rectangular pattern unit 21 and the left side of the columnar pattern unit 23 are connected to form the U-shaped groove 22. The right side of the columnar pattern unit 23 and the left side of the side-branch U-shaped groove antenna groove 25 are connected to form the first inverted U-shaped groove 24. The right side of the side-branch U-shaped groove antenna groove 25 and the left side of the central U-shaped antenna groove 3 are connected to form the second inverted U-shaped groove 26.

[0046] The groove widths of the first inverted U-shaped groove 24, the side-branch U-shaped groove antenna groove 25, and the second inverted U-shaped groove 26 are equal, and are all smaller than the groove width of the U-shaped groove 22. The groove width of the U-shaped groove 22 is smaller than the groove width of the central U-shaped antenna groove 3.

[0047] The groove depth of the U-shaped groove 22 is equal to the groove depth of the first inverted U-shaped groove 24 and is smaller than the groove depths of the side-branch U-shaped groove antenna groove 25 and the second inverted U-shaped groove 26. The groove depths of the second inverted U-shaped groove 26, the side-branch U-shaped groove antenna groove 25, and the central U-shaped antenna groove 3 are equal.

[0048] The groove width of the central U-shaped antenna groove 3 is greater than the groove depth of the central U-shaped antenna groove 3.

[0049] Both ends of the feeding port 4 are respectively connected to two electrodes of an externally connected RFID chip. The feeding port 4 is located on one side close to the opening of the central U-shaped antenna groove 3.

[0050] The distance from the left rectangular pattern unit 21 to the right rectangular pattern unit 21 is 70 mm, and the distance from the upper side to the lower side of the rectangular pattern unit 21 is 14 mm;

[0051] This utility model adopts a new design of 14x70mm and has three points. All three points are adapted to different chips, and the three chips can be fixedly installed into the three points, enabling a small electric loop to be adapted to three chips, making the small electric loop more versatile. Moreover, compared with the previous design of the same size, the performance of the label in the American frequency band is good, and its performance in the European standard range is slightly better than -10dBm (greater than 6m). When there is PTFE at the back, the performance in the European standard will be greatly improved, and the performance in the American frequency band can still remain better than -18dBm, which can basically be applied to the full frequency band.

[0052] Embodiment 3

[0053] In some embodiments, such as Figures 1-3 As shown, as a preferred embodiment of the present utility model, the present utility model uses a well-known intelligent label performance test device to conduct sensitivity and maximum reading distance comparison tests in sequence. The communication frequency of the intelligent label is 860 - 960MHz.

[0054] In the sensitivity test, the following two groups of sensitivity tests were respectively prepared, and their corresponding sensitivities were tested at different frequencies, unit: dBm. The higher the negative value of the sensitivity, the higher its sensitivity;

[0055] Sensitivity test 1 is to composite the structure of a conventional ultra-high frequency composite antenna in the prior art with the face paper and the bottom paper into one body according to the above-mentioned implementation manner, and conduct a sensitivity test on the obtained intelligent label;

[0056] Sensitivity test 2 is to conduct a sensitivity test on the intelligent label provided in the above-mentioned embodiment of the present application;

[0057] Please refer to the following table for the obtained comparison test results. The values of sensitivity test 2 of different chips of the intelligent label provided in the above-mentioned embodiment of the present application are all higher than those in sensitivity test 1.

[0058]

[0059] In the maximum reading distance comparison test, the following two groups of tests were respectively prepared, and their corresponding maximum reading distances were tested at different frequencies, unit: meter. The larger the value, the farther the reading distance:

[0060] Reading distance test 1 is to composite the structure of a conventional ultra-high frequency composite antenna in the prior art with the face paper and the bottom paper into one body according to the above-mentioned implementation manner, and conduct a reading distance test on the obtained intelligent label;

[0061] Reading distance test 2 is to conduct a reading distance test on the intelligent label provided in the above-mentioned embodiment of the present application;

[0062] Please refer to the following table for the obtained comparative test results. The values of the reading distance test 1 for different chips of the intelligent tag provided in the above embodiments of the present application are all greater than the values in the reading distance test 1.

[0063]

[0064]

[0065] Through the above comparative tests of sensitivity and maximum reading distance, it can be proved that the present utility model significantly improves the sensitivity of the intelligent tag and at the same time significantly increases the maximum reading distance of the intelligent tag.

[0066] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A smart label with multiple calibration points, characterized in that: It comprises a chip antenna conductive pattern module (1) arranged on a first carrier insulating layer and an antenna conductive pattern module (2) arranged on a second carrier insulating layer, wherein the first carrier insulating layer and the second carrier insulating layer are composited into one body; A central U-shaped antenna slot (3) is provided in the middle of the antenna conductive pattern module (2), the chip antenna conductive pattern module (1) is located in the central U-shaped antenna slot (3), and a feeding port (4) is provided in the middle of the upper end of the chip antenna conductive pattern module (1); The chip antenna conductive pattern module (1) comprises a first point position slot (11), a second point position slot (12), a third point position slot (13) and a chip antenna conductive pattern body (14); the first point position slot (11), the second point position slot (12) and the third point position slot (13) are sequentially arranged inside the chip antenna conductive pattern body (14) from top to bottom; the first point position slot (11) is located at the lower end of the feeding port (4), and the lower ends of the left and right sides of the feeding port (4) are both facing the first point position slot (11). A first protrusion is extended inside the first point groove (11), and a lower end of the second point groove (12) is extended inside the third point groove (13) to form a second protrusion. The groove width of the first point groove (11) is greater than the groove width of the third point groove (13), the groove width of the third point groove (13) is greater than the groove width of the second point groove (12), the groove depth of the third point groove (13) is greater than the groove depth of the first point groove (11), and the groove depth of the first point groove (11) is greater than the groove depth of the second point groove (12).

2. The multi-calibration point smart label according to claim 1, characterized in that: The chip antenna conductive pattern body (14) is in a closed shape.

3. The multi-calibration point smart label according to claim 2, characterized in that: The center lines of the first point slot (11), the second point slot (12), the third point slot (13), and the chip antenna conductive pattern body (14) all coincide with the center line of the central U-shaped antenna slot (3).

4. The multi-calibration point smart label according to claim 3, characterized in that: The lower end of the chip antenna conductive pattern body (14) extends downward to form an antenna composite outer edge (15), and the antenna composite outer edge (15) is composited with the bottom of the central U-shaped antenna slot (3) to form a whole.

5. The multi-calibration point smart label according to claim 4, characterized in that: The antenna conductive pattern modules (2) are provided with two and are symmetrically distributed on both sides of the central U-shaped antenna slot (3). The two antenna conductive pattern modules (2) are respectively connected to the left and right sides of the central U-shaped antenna slot (3).

6. The multi-calibration point smart label according to claim 5, characterized in that: The antenna conductive pattern module (2) comprises a rectangular pattern unit (21), a U-shaped groove (22), a columnar pattern unit (23), a first inverted U-shaped groove (24), a side branch U-shaped groove antenna groove (25) and a second inverted U-shaped groove (26); the bottom of the central U-shaped antenna groove (3) is flush with the bottom of the rectangular pattern unit (21) and the side branch U-shaped groove antenna groove (25); the upper end of the central U-shaped antenna groove (3) is flush with the upper end of the rectangular pattern unit (21) and the side branch U-shaped groove antenna groove (25); the upper end of the central U-shaped antenna groove (3) is higher than the upper end of the first point position groove (11). The rectangular pattern unit (21) is conductively connected to the left side of the side branch U-shaped slot antenna slot (25) through the columnar pattern unit (23), the right side of the side branch U-shaped slot antenna slot (25) is conductively connected to the central U-shaped slot (3), the right side of the rectangular pattern unit (21) is connected to the left side of the columnar pattern unit (23) to form a U-shaped slot (22), the right side of the columnar pattern unit (23) is connected to the left side of the side branch U-shaped slot antenna slot (25) to form a first inverted U-shaped slot (24), and the right side of the side branch U-shaped slot antenna slot (25) is connected to the left side of the central U-shaped slot (3) to form a second inverted U-shaped slot (26).

7. The multi-calibration point smart label according to claim 6, characterized in that: The groove width of the first inverted U-shaped groove (24), the groove width of the side U-shaped groove antenna groove (25), and the groove width of the second inverted U-shaped groove (26) are all equal and smaller than the groove width of the U-shaped groove (22), and the groove width of the U-shaped groove (22) is smaller than the groove width of the central U-shaped antenna groove (3).

8. The multi-calibration point smart label according to claim 7, characterized in that: The groove depth of the U-shaped groove (22) is equal to the groove depth of the first inverted U-shaped groove (24) and is smaller than the groove depths of the side branch U-shaped groove antenna groove (25) and the second inverted U-shaped groove (26); the groove depth of the second inverted U-shaped groove (26), the groove depth of the side branch U-shaped groove antenna groove (25) and the groove depth of the central U-shaped antenna groove (3) are all equal.

9. The multi-calibration point smart label according to claim 8, characterized in that: The groove width of the central U-shaped antenna groove (3) is greater than the groove depth of the central U-shaped antenna groove (3).

10. The smart label with multiple calibration points according to claim 9, characterized in that: The two ends of the feeding port (4) are respectively connected to two electrodes of an external RFID chip, and the feeding port (4) is located on a side close to the opening of the central U-shaped antenna slot (3).

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