CN201233953Y - Dipole antenna and school badge electronic label - Google Patents
Dipole antenna and school badge electronic label Download PDFInfo
- Publication number
- CN201233953Y CN201233953Y CNU2008201090537U CN200820109053U CN201233953Y CN 201233953 Y CN201233953 Y CN 201233953Y CN U2008201090537 U CNU2008201090537 U CN U2008201090537U CN 200820109053 U CN200820109053 U CN 200820109053U CN 201233953 Y CN201233953 Y CN 201233953Y
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- China
- Prior art keywords
- antenna
- area
- sheet metal
- breach
- symmetry axis
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a dipole antenna and an electronic school emblem label, wherein the dipole antenna comprises a sheet metal which is axially symmetric and has a preset area; a perforated area is arranged above the sheet metal, and the perforated area takes the axis of the antenna as the symmetry axis; a notch is formed under the sheet metal, and the notch takes the axis of the antenna as the symmetry axis; a gap for communicating the perforated area and the notch is formed on the sheet metal, and the gap takes the axis of the antenna as the symmetry axis. The overall structure of the dipole antenna is improved, and under the condition of setting the dimension of the antenna, the radiating area of the antenna is increased; at the same time, the opening is formed above the antenna, so that the antenna and the chip form conjugate match, and the gain of the antenna is increased; and further, the sheet metal covering the feeding area of the antenna is arranged on the electronic school emblem label adopting the antenna. Therefore, the absorption of electromagnetic wave by human body is effectively reduced, the radiating capacity of the antenna is enhanced, the gain of the antenna is increased, and the reading distance of the reader writer is lengthened.
Description
Technical field
The utility model relates to a kind of dipole antenna and uses the school badge electronic tag of this antenna.
Background technology
At present, school utilizes automatic cognometrics life peace note service system and attendance checking system to solve information communication problem between the head of a family and the school, and this also is to guarantee student's discrepancy safety and a kind of effective means of management student after-school activities content.In said system, student's information gathering relies on remote read write line and school badge electronic tag to realize.Each student front all hangs with a remote passive school badge electronic tag, when the student arrives school gate, near the card reader contactless card reading the student immediately and worn, and the corresponding information of this contactless card exported to student's safety note service system of installing in the computer, system gives the parents of student according to the report information of pre-recording immediately; Similarly, if the student leaves school gate, system sends out a SMS according to the information of pre-recording to this student's father and mother immediately.
Read apart from the gain of depending on antenna in the label, at present, this class is that employed dipole antenna gain is less near a weak point of the passive electronic label that human body uses, thereby causes reading apart from closer, is not suitable at a distance and reads.
The utility model content
In order to increase the distance that reads of passive electronic label, the utility model provides a kind of dipole antenna, comprises a sheet metal,
Described sheet metal is an axial symmetry, and has predetermined area;
Described sheet metal top is provided with aperture area, and described aperture area is a symmetry axis with the axle of described antenna;
Described sheet metal below is provided with breach, and described breach is a symmetry axis with the axle of described antenna;
Described sheet metal is provided with the slit that is communicated with described aperture area and described breach, and described slit is a symmetry axis with the axle of described antenna.
Described aperture area is a rectangle.
Described breach is divided into three zones in accordance with the order from top to bottom, the top is rectangular first area, again downwards for being the second area of isosceles trapezoid, described trapezoidal top margin length is less than base length, the same width of trapezoidal top margin of the base of the rectangle of described first area and described second area, the below is the 3rd rectangular zone, the same width in trapezoidal base of the top margin of the rectangle in described the 3rd zone and described second area.
Described dipole antenna also comprises the metallic plate that is parallel to described sheet metal, and described metallic plate is a symmetry axis with the axle of described antenna, can cover described breach fully at least.
The utility model also provides a kind of school badge electronic tag, comprising:
Housing;
Be arranged on the base material in the described housing;
Be arranged on the dipole antenna on the described base material; And
Electronic chip;
Described dipole antenna comprises a sheet metal,
Described sheet metal is an axial symmetry, and has predetermined area;
Described sheet metal top is provided with aperture area, and described aperture area is a symmetry axis with the axle of described antenna;
Described sheet metal below is provided with breach, and described breach is a symmetry axis with the axle of described antenna;
Described sheet metal is provided with the slit that is communicated with described aperture area and described breach, and described slit is a symmetry axis with the axle of described antenna;
Described electronic chip links to each other with the junction of described slit and described breach.
Described school badge electronic tag also comprises the metallic plate that is parallel to described sheet metal, and described metallic plate is a symmetry axis with the axle of described antenna, can cover described breach fully at least.
Described aperture area is a rectangle.
Described breach is divided into three zones in accordance with the order from top to bottom, the top is rectangular first area, again downwards for being the second area of isosceles trapezoid, described trapezoidal top margin length is less than base length, the same width of trapezoidal top margin of the base of the rectangle of described first area and described second area, the below is the 3rd rectangular zone, the same width in trapezoidal base of the top margin of the rectangle in described the 3rd zone and described second area.
Described housing hollow.
Compared with prior art, the utlity model has following beneficial effect:
The general structure of the utility model electrode couple sub antenna is improved, and under the condition of given antenna size, has increased the swept area of antenna, is provided with perforate simultaneously above antenna, makes antenna and chip conjugate impedance match, has increased the gain of antenna; Further; on the school badge electronic tag that uses antenna of the present utility model, the sheet metal of a cover antenna feed area is set, thereby has reduced human body effectively, improved the radianting capacity of antenna absorption of electromagnetic wave; thereby improved antenna gain, increased the distance that reads of read write line.
Description of drawings
Fig. 1 is the antenna structure view of school badge electronic tag of the present utility model;
Fig. 2 is a school badge Electronic Tag Structure schematic diagram of the present utility model;
Fig. 3 is a school badge Electronic Tag Structure partial enlarged drawing of the present utility model.
Embodiment
The utility model improves the master-plan of the antenna of school badge electronic tag; under the situation of given antenna size; improve to the global shape of antenna and to the shape of antenna feed region and the shape and the position of perforate; when improving antenna gain as far as possible, reach the conjugate impedance match of antenna and chip.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in Figure 1, Fig. 1 is the antenna structure view of school badge electronic tag of the present utility model, comprises among Fig. 1: the sheet metal 1 of rectangle, generally make with copper or aluminium.Under the prerequisite of antenna size, sheet metal 1 also can be the sheet metal with other shapes of particular area given.The top of sheet metal 1 has aperture area 2, and this aperture area 2 is rectangular, has same symmetry axis with sheet metal 1.Aperture area 2 below correspondences have breach 3, and this breach 3 also has same symmetry axis with sheet metal 1.Breach 3 is divided into three zones in accordance with the order from top to bottom again, and the top is rectangular first area, and downward again zone is the second area that is isosceles trapezoid, and this trapezoidal top margin length is less than base length.The same width of trapezoidal top margin of the base of the rectangle of first area and second area.The zone of below is the 3rd rectangular zone, the same width in trapezoidal base of the top margin of the rectangle in the 3rd zone and second area.
Have a slit 4 between aperture area 2 and the breach 3, the two connects by this slit 4, and this slit and sheet metal 1 have same symmetry axis.
The following describes how above-mentioned antenna structure is used for the school badge electronic tag, with reference to figure 2, Fig. 2 is a school badge Electronic Tag Structure schematic diagram of the present utility model.Except that the antenna structure that has comprised Fig. 1, also comprise among Fig. 2: chip 5 (not shown) with reference to figure 3; The base material (not shown) of antenna is set; Metallic plate 6 is a rectangle, and metallic plate 6 is parallel to the sheet metal 1 of antenna, and its rectangular area covers the feed area of antenna fully; School badge shell 7, antenna structure are arranged within the school badge shell 7, and shell is a hollow structure, to reduce the electromagnetic wave loss, increase antenna gain.
When wearing school badge, metallic plate 6 is positioned at the side near human body, can effectively reduce human body to absorption of electromagnetic wave, thereby further increase antenna gain.
As shown in Figure 3, Fig. 3 is a school badge Electronic Tag Structure partial enlarged drawing of the present utility model.Two pins of the chip 5 among the figure directly are connected with 2 that present point 8.
The working frequency range of the electronic tag of embodiment of the present utility model is 840～845MHz; partial structurtes by above-mentioned electrode couple sub antenna; the for example improvement of the feed area of antenna and open-celled structure; and to the improvement of antenna global shape; simultaneously; by further in the housing of school badge electronic tag, sheet metal being set, realized the increase antenna gain, improve the purpose that reads distance of label.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. a dipole antenna comprises a sheet metal, it is characterized in that:
Described sheet metal is an axial symmetry, and has predetermined area;
Described sheet metal top is provided with aperture area, and described aperture area is a symmetry axis with the axle of described antenna;
Described sheet metal below is provided with breach, and described breach is a symmetry axis with the axle of described antenna;
Described sheet metal is provided with the slit that is communicated with described aperture area and described breach, and described slit is a symmetry axis with the axle of described antenna.
2. dipole antenna as claimed in claim 1 is characterized in that, described aperture area is a rectangle.
3. dipole antenna as claimed in claim 1, it is characterized in that, described breach is divided into three zones in accordance with the order from top to bottom, the top is rectangular first area, again downwards for being the second area of isosceles trapezoid, described trapezoidal top margin length is less than base length, the same width of trapezoidal top margin of the base of the rectangle of described first area and described second area, the below is the 3rd rectangular zone, the same width in trapezoidal base of the top margin of the rectangle in described the 3rd zone and described second area.
4. dipole antenna as claimed in claim 1 is characterized in that, also comprises the metallic plate that is parallel to described sheet metal, and described metallic plate is a symmetry axis with the axle of described antenna, can cover described breach fully at least.
5. school badge electronic tag comprises:
Housing;
Be arranged on the base material in the described housing;
Be arranged on the dipole antenna on the described base material; And
Electronic chip;
Described dipole antenna comprises a sheet metal, it is characterized in that:
Described sheet metal is an axial symmetry, and has predetermined area;
Described sheet metal top is provided with aperture area, and described aperture area is a symmetry axis with the axle of described antenna;
Described sheet metal below is provided with breach, and described breach is a symmetry axis with the axle of described antenna;
Described sheet metal is provided with the slit that is communicated with described aperture area and described breach, and described slit is a symmetry axis with the axle of described antenna;
Described electronic chip links to each other with the junction of described slit and described breach.
6. school badge electronic tag as claimed in claim 5 is characterized in that, also comprises the metallic plate that is parallel to described sheet metal, and described metallic plate is a symmetry axis with the axle of described antenna, can cover described breach fully at least.
7. school badge electronic tag as claimed in claim 5 is characterized in that, described aperture area is a rectangle.
8. school badge electronic tag as claimed in claim 5; it is characterized in that; described breach is divided into three zones in accordance with the order from top to bottom; the top is rectangular first area; again downwards for being the second area of isosceles trapezoid; described trapezoidal top margin length is less than base length; the same width of trapezoidal top margin of the base of the rectangle of described first area and described second area; the below is the 3rd rectangular zone, the same width in trapezoidal base of the top margin of the rectangle in described the 3rd zone and described second area.
9. school badge electronic tag as claimed in claim 5 is characterized in that, described housing hollow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201090537U CN201233953Y (en) | 2008-07-04 | 2008-07-04 | Dipole antenna and school badge electronic label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201090537U CN201233953Y (en) | 2008-07-04 | 2008-07-04 | Dipole antenna and school badge electronic label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233953Y true CN201233953Y (en) | 2009-05-06 |
Family
ID=40620342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201090537U Expired - Lifetime CN201233953Y (en) | 2008-07-04 | 2008-07-04 | Dipole antenna and school badge electronic label |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201233953Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254206A (en) * | 2010-05-21 | 2011-11-23 | 上海复莱信息技术有限公司 | Electronic tag device for special occasions |
-
2008
- 2008-07-04 CN CNU2008201090537U patent/CN201233953Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254206A (en) * | 2010-05-21 | 2011-11-23 | 上海复莱信息技术有限公司 | Electronic tag device for special occasions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160906 Address after: 300308 Tianjin Airport Economic Zone, Binhai New Area seven East Road No. 2 Zhongxing Industrial Base Patentee after: ZTE INTELLIGENT IOT TECHNOLOGY CO., LTD. Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090506 |