CN204497363U - The loop resonance folded antenna of LTE/WWAN frequency range - Google Patents
The loop resonance folded antenna of LTE/WWAN frequency range Download PDFInfo
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- CN204497363U CN204497363U CN201520226899.9U CN201520226899U CN204497363U CN 204497363 U CN204497363 U CN 204497363U CN 201520226899 U CN201520226899 U CN 201520226899U CN 204497363 U CN204497363 U CN 204497363U
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Abstract
The utility model discloses a kind of loop resonance folded antenna of LTE/WWAN frequency range.It comprises substrate, feed minor matters, short circuit band, vertical radiation band, horizontal radiation band and metal ground plate; The upper surface of substrate is provided with feed minor matters, short circuit band, and feed minor matters are made up of inverted L-shaped paster, electric capacity, inductance, L shape paster, Z-shaped paster, and short circuit band is made up of lower inverted L-shaped paster, middle inverted L-shaped paster, upper inverted L-shaped paster, left L shape paster; The top of vertical radiation band is connected with the upper end of upper inverted L-shaped paster and perpendicular to substrate to downward-extension; The upper end of horizontal radiation band is connected with the bottom of vertical radiation band and is parallel to substrate and extends forward; The bottom of substrate is connected with the top of metal ground plate.The utility model multiband, loss is low, and radiation characteristic is good, and cost is low, and size is little, is easy to make, and is convenient to integrated, is applicable to LTE/WWAN frequency range.
Description
Technical field
The utility model relates to antenna, particularly relates to a kind of loop resonance folded antenna of LTE/WWAN frequency range.
Background technology
Fast changing digital industry makes various electronic product swarm forward to emerge in an endless stream, after entering 21 century, particularly in recent years e-commerce development facilitate and people self inspirit culture demand under, the panel computer being called as " electronics the palm in precious " has just arisen at the historic moment.Panel computer can be described as a kind of PC that is small-sized, that be convenient for carrying, not only possess all functions of notebook computer, and it has thoroughly broken away from the dual constraint of keyboard and mouse using touch-screen as basic input equipment, this has not only made to carry and apply to become the more convenient heavy burden problem also solving notebook computer flexibly.In addition, panel computer can also realize the input of former person's handwriting, greatly facilitates its application in business office; And user also can arrange panel computer according to the use habit of oneself, realizes the use of its personalization.So panel computer is with its brief style, and the feature of personalized use and portable mobile, winning the welcome of consumers in general, becoming the new lover of electronic product on market once going on the market.
As a up-to-date outstanding person in electronic product, people wish that panel computer can complete more thing, such as network whenever and wherever possible and make a phone call etc.And the electric property that terminal equipment communicates with the external world is determined by its antenna to a great extent, one secondary good antenna can effectively reduce the space shared by antenna and greatly improve the performance of terminal equipment complete machine, and can increase the signal strength signal intensity of terminal equipment acquisition and the speed of data communication.Along with the development of mobile communications network, all one's effort construction of the 3G communication network of current support high speed data transfer, and integrate the active development of 4G (mainly comprising LTE standard) communication network of 3G and WLAN, design LTE/WWAN frequency range panel computer antenna becomes the requirement in epoch, all has great significance to industrial production or academic research.
Summary of the invention
The utility model provides a kind of loop resonance folded antenna of LTE/WWAN frequency range, and technical scheme is as follows:
The loop resonance folded antenna of LTE/WWAN frequency range comprises substrate, feed minor matters, short circuit band, vertical radiation band, horizontal radiation band and metal ground plate, the upper surface of substrate is provided with feed minor matters, short circuit band, feed minor matters are by inverted L-shaped paster, electric capacity, inductance, L shape paster, Z-shaped paster composition, the left end of inverted L-shaped paster is connected through electric capacity with the right-hand member of L shape paster, the bottom righthand side of L shape paster is connected through inductance with the top of metal ground plate, the left upper end of L shape paster is connected with the lower-left end of Z-shaped paster, short circuit band is by lower inverted L-shaped paster, middle inverted L-shaped paster, upper inverted L-shaped paster, left L shape paster composition, the lower-left end of lower inverted L-shaped paster is connected with the top of metal ground plate, the upper right side of lower inverted L-shaped paster is connected with the lower-left end of middle inverted L-shaped paster, the upper right side of middle inverted L-shaped paster is connected with the bottom righthand side of upper inverted L-shaped paster, the lower-left end of upper inverted L-shaped paster is connected with the left upper end of left L shape paster, the top of vertical radiation band is connected with the upper end of upper inverted L-shaped paster and perpendicular to substrate to downward-extension, the upper end of horizontal radiation band is connected with the bottom of vertical radiation band and is parallel to substrate and extends forward, the bottom of substrate is connected with the top of metal ground plate.
Described substrate is glass-epoxy material, and length is 40mm ~ 42mm, and width is 8mm ~ 10mm, and thickness is 0.8mm ~ 1mm.In described feed minor matters, the horizontal rectangle patch length of inverted L-shaped paster is 1mm ~ 1.2mm, and width is 0.5mm ~ 0.7mm, and longitudinal rectangular patch length of side is 1mm ~ 1.2mm; The capacitance of electric capacity is 2.2pF ~ 2.3pF; The inductance value of inductance is 12.5nH ~ 12.7nH; The horizontal patch length of L shape paster is 7mm ~ 7.5mm, width is 0.5mm ~ 0.7mm, longitudinal patch length is 4.4mm ~ 4.6mm, width is 0.5mm ~ 0.7mm, and the length of the upper horizontal rectangular patch of Z-shaped paster is 6mm ~ 6.2mm, and width is 0.4mm ~ 0.6mm, the length of middle longitudinal rectangular patch is 2mm ~ 2.2mm, width is 1mm ~ 1.2mm, and the length of lower horizontal rectangular patch is 5.5mm ~ 5.7mm, and width is 1mm ~ 1.2mm.The longitudinal rectangle patch length of lower inverted L-shaped paster in described short circuit band is 3mm ~ 3.2mm, and width is 1mm ~ 1.2mm, and horizontal rectangle patch length is 7mm ~ 7.2mm, and width is 1mm ~ 1.2mm; Longitudinal rectangle patch length of middle inverted L-shaped paster is 3mm ~ 3.2mm, and width is 1mm ~ 1.2mm, and horizontal rectangle patch length is 22mm ~ 23mm, and width is 0.3mm ~ 0.4mm; Longitudinal rectangle patch length of upper inverted L-shaped paster is 2mm ~ 2.2mm, and width is 0.5mm ~ 0.7mm, and horizontal rectangle patch length is 40mm ~ 42mm, and width is 0.4mm ~ 0.5mm; The longitudinal rectangular patch length of side of left L shape paster is 1mm ~ 1.2mm, and horizontal rectangle patch length is 8mm ~ 8.2mm, and width is 0.7mm ~ 0.9mm.Described vertical radiation strip length is 40mm ~ 42mm, is highly 4mm ~ 5mm.Described horizontal radiation strip length is 40mm ~ 42mm, and width is 5mm ~ 6mm.Described metal ground plate length is 200mm ~ 250mm, and width is 150mm ~ 200mm.
The utility model multiband, loss is low, and radiation characteristic is good, and cost is low, and size is little, is easy to make, and is convenient to integrated, is applicable to LTE/WWAN.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the loop resonance folded antenna of LTE/WWAN frequency range;
Fig. 2 is the vertical view of the loop resonance folded antenna main body of LTE/WWAN frequency range;
Fig. 3 is the end view of the loop resonance folded antenna main body of LTE/WWAN frequency range;
Fig. 4 is the feed minor matters structure chart of the loop resonance folded antenna of LTE/WWAN frequency range;
Fig. 5 is the short circuit band structure chart of the loop resonance folded antenna of LTE/WWAN frequency range;
Fig. 6 is the return loss plot of the loop resonance folded antenna of LTE/WWAN frequency range;
Fig. 7 is the E face of antenna when 0.73GHz and H surface radiation directional diagram;
Fig. 8 is the E face of antenna when 0.87GHz and H surface radiation directional diagram;
Fig. 9 is the E face of antenna when 1.95GHz and H surface radiation directional diagram;
Figure 10 is the E face of antenna when 2.6GHz and H surface radiation directional diagram.
Embodiment
As shown in Fig. 1 ~ 5, the loop resonance folded antenna of LTE/WWAN frequency range comprises substrate 1, feed minor matters 2, short circuit band 3, vertical radiation band 4, horizontal radiation band 5 and metal ground plate 6, the upper surface of substrate 1 is provided with feed minor matters 2, short circuit band 3, feed minor matters 2 are by inverted L-shaped paster 7, electric capacity 8, inductance 9, L shape paster 10, Z-shaped paster 11 forms, the left end of inverted L-shaped paster 7 is connected through electric capacity 8 with the right-hand member of L shape paster 10, the bottom righthand side of L shape paster 10 is connected through inductance 9 with the top of metal ground plate 6, the left upper end of L shape paster 10 is connected with the lower-left end of Z-shaped paster 11, short circuit band 3 is by lower inverted L-shaped paster 12, middle inverted L-shaped paster 13, upper inverted L-shaped paster 14, left L shape paster 15 forms, the lower-left end of lower inverted L-shaped paster 12 is connected with the top of metal ground plate 6, the upper right side of lower inverted L-shaped paster 12 is connected with the lower-left end of middle inverted L-shaped paster 13, the upper right side of middle inverted L-shaped paster 13 is connected with the bottom righthand side of upper inverted L-shaped paster 14, the lower-left end of upper inverted L-shaped paster 14 is connected with the left upper end of left L shape paster 15, the top of vertical radiation band 4 is connected with the upper end of upper inverted L-shaped paster 14 and perpendicular to substrate 1 to downward-extension, the upper end of horizontal radiation band 5 is connected with the bottom of vertical radiation band 4 and is parallel to substrate 1 and extends forward, the bottom of substrate 1 is connected with the top of metal ground plate 6.
Described substrate 1 is glass-epoxy material, and the length of substrate 1 is 40mm ~ 42mm, and width is 8mm ~ 10mm, and thickness is 0.8mm ~ 1mm.In described feed minor matters 2, the horizontal rectangle patch length of inverted L-shaped paster 7 is 1mm ~ 1.2mm, and width is 0.5mm ~ 0.7mm, and longitudinal rectangular patch length of side is 1mm ~ 1.2mm; The capacitance of electric capacity 8 is 2.2pF ~ 2.3pF; The inductance value of inductance 9 is 12.5nH ~ 12.7nH; The horizontal patch length of L shape paster 10 is 7mm ~ 7.5mm, width is 0.5mm ~ 0.7mm, longitudinal patch length is 4.4mm ~ 4.6mm, width is 0.5mm ~ 0.7mm, and the length of the upper horizontal rectangular patch of Z-shaped paster 11 is 6mm ~ 6.2mm, and width is 0.4mm ~ 0.6mm, the length of middle longitudinal rectangular patch is 2mm ~ 2.2mm, width is 1mm ~ 1.2mm, and the length of lower horizontal rectangular patch is 5.5mm ~ 5.7mm, and width is 1mm ~ 1.2mm.The longitudinal rectangle patch length of lower inverted L-shaped paster 12 in described short circuit band 3 is 3mm ~ 3.2mm, and width is 1mm ~ 1.2mm, and horizontal rectangle patch length is 7mm ~ 7.2mm, and width is 1mm ~ 1.2mm; Longitudinal rectangle patch length of middle inverted L-shaped paster 13 is 3mm ~ 3.2mm, and width is 1mm ~ 1.2mm, and horizontal rectangle patch length is 22mm ~ 23mm, and width is 0.3mm ~ 0.4mm; Longitudinal rectangle patch length of upper inverted L-shaped paster 14 is 2mm ~ 2.2mm, and width is 0.5mm ~ 0.7mm, and horizontal rectangle patch length is 40mm ~ 42mm, and width is 0.4mm ~ 0.5mm; The longitudinal rectangular patch length of side of left L shape paster 15 is 1mm ~ 1.2mm, and horizontal rectangle patch length is 8mm ~ 8.2mm, and width is 0.7mm ~ 0.9mm.Described vertical radiation band 4 length is 40mm ~ 42mm, is highly 4mm ~ 5mm.Described horizontal radiation band 5 length is 40mm ~ 42mm, and width is 5mm ~ 6mm.Described metal ground plate 6 length is 200mm ~ 250mm, and width is 150mm ~ 200mm.
Embodiment 1
The loop resonance folded antenna of LTE/WWAN frequency range:
Substrate is glass-epoxy material, and the length of substrate is 40mm, and width is 8mm, and thickness is 0.8mm.In feed minor matters, the horizontal rectangle patch length of inverted L-shaped paster is 1mm, and width is 0.5mm, and longitudinal rectangular patch length of side is 1mm; The capacitance of electric capacity is 2.2pF; The inductance value of inductance is 12.5nH; The horizontal patch length of L shape paster is 7mm, width is 0.5mm, longitudinal patch length is 4.4mm, width is 0.5mm, and the length of the upper horizontal rectangular patch of Z-shaped paster is 6mm, and width is 0.4mm, the length of middle longitudinal rectangular patch is 2mm, width is 1mm, and the length of lower horizontal rectangular patch is 5.5mm, and width is 1mm.The longitudinal rectangle patch length of lower inverted L-shaped paster in short circuit band is 3mm, and width is 1mm, and horizontal rectangle patch length is 7mm, and width is 1mm; Longitudinal rectangle patch length of middle inverted L-shaped paster is 3mm, and width is 1mm, and horizontal rectangle patch length is 22mm, and width is 0.3mm; Longitudinal rectangle patch length of upper inverted L-shaped paster is 2mm, and width is 0.5mm, and horizontal rectangle patch length is 40mm, and width is 0.4mm; The longitudinal rectangular patch length of side of left L shape paster is 1mm, and horizontal rectangle patch length is 8mm, and width is 0.7mm.Vertical radiation strip length is 40mm, is highly 4mm.Horizontal radiation strip length is 40mm, and width is 5mm.Metal ground plate length is 200mm, and width is 150mm.The property indices of the loop resonance folded antenna of LTE/WWAN frequency range adopts HFSS software to emulate, and the return loss plot of gained as shown in Figure 6.As seen from the figure, the working frequency range of below-5dB is 0.79GHz ~ 0.93GHz, 1.68GHz ~ 2.26GHz, 2.43GHz ~ 2.68GHz.Figure 7 shows that the E face of the loop resonance folded antenna of LTE/WWAN frequency range when 0.73GHz and H face directional diagram, as seen from the figure, when frequency is 0.73GHz, gain is 1.14dBi.Figure 8 shows that the E face of the loop resonance folded antenna of LTE/WWAN frequency range when 0.87GHz and H face directional diagram, as seen from the figure, when frequency is 0.87GHz, gain is 1.41dBi.Figure 9 shows that the E face of the loop resonance folded antenna of LTE/WWAN frequency range when 1.95GHz and H face directional diagram, as seen from the figure, when frequency is 1.95GHz, gain is 2.91dBi.Figure 10 shows that the E face of the loop resonance folded antenna of LTE/WWAN frequency range when 2.6GHz and H face directional diagram, as seen from the figure, when frequency is 2.6GHz, gain is 2.64dBi.
Claims (7)
1. a loop resonance folded antenna for LTE/WWAN frequency range, is characterized in that comprising substrate (1), feed minor matters (2), short circuit band (3), vertical radiation band (4), horizontal radiation band (5) and metal ground plate (6), the upper surface of substrate (1) is provided with feed minor matters (2), short circuit band (3), feed minor matters (2) are by inverted L-shaped paster (7), electric capacity (8), inductance (9), L shape paster (10), Z-shaped paster (11) forms, the left end of inverted L-shaped paster (7) is connected through electric capacity (8) with the right-hand member of L shape paster (10), the bottom righthand side of L shape paster (10) is connected through inductance (9) with the top of metal ground plate (6), the left upper end of L shape paster (10) is connected with the lower-left end of Z-shaped paster (11), short circuit band (3) is by lower inverted L-shaped paster (12), middle inverted L-shaped paster (13), upper inverted L-shaped paster (14), left L shape paster (15) composition, the lower-left end of lower inverted L-shaped paster (12) is connected with the top of metal ground plate (6), the upper right side of lower inverted L-shaped paster (12) is connected with the lower-left end of middle inverted L-shaped paster (13), the upper right side of middle inverted L-shaped paster (13) is connected with the bottom righthand side of upper inverted L-shaped paster (14), the lower-left end of upper inverted L-shaped paster (14) is connected with the left upper end of left L shape paster (15), the top of vertical radiation band (4) is connected with the upper end of upper inverted L-shaped paster (14) and perpendicular to substrate (1) to downward-extension, the upper end of horizontal radiation band (5) is connected with the bottom of vertical radiation band (4) and is parallel to substrate (1) and extends forward, the bottom of substrate (1) is connected with the top of metal ground plate (6).
2. the loop resonance folded antenna of a kind of LTE/WWAN frequency range as claimed in claim 1, it is characterized in that described substrate (1) is glass-epoxy material, the length of substrate (1) is 40mm ~ 42mm, and width is 8mm ~ 10mm, and thickness is 0.8mm ~ 1mm.
3. the loop resonance folded antenna of a kind of LTE/WWAN frequency range as claimed in claim 1, it is characterized in that the horizontal rectangle patch length of inverted L-shaped paster (7) is 1mm ~ 1.2mm in described feed minor matters (2), width is 0.5mm ~ 0.7mm, and longitudinal rectangular patch length of side is 1mm ~ 1.2mm; The capacitance of electric capacity (8) is 2.2pF ~ 2.3pF; The inductance value of inductance (9) is 12.5nH ~ 12.7nH; The horizontal patch length of L shape paster (10) is 7mm ~ 7.5mm, width is 0.5mm ~ 0.7mm, longitudinal patch length is 4.4mm ~ 4.6mm, width is 0.5mm ~ 0.7mm, and the length of the upper horizontal rectangular patch of Z-shaped paster (11) is 6mm ~ 6.2mm, and width is 0.4mm ~ 0.6mm, the length of middle longitudinal rectangular patch is 2mm ~ 2.2mm, width is 1mm ~ 1.2mm, and the length of lower horizontal rectangular patch is 5.5mm ~ 5.7mm, and width is 1mm ~ 1.2mm.
4. the loop resonance folded antenna of a kind of LTE/WWAN frequency range as claimed in claim 1, it is characterized in that the longitudinal rectangle patch length of lower inverted L-shaped paster (12) in described short circuit band (3) is 3mm ~ 3.2mm, width is 1mm ~ 1.2mm, horizontal rectangle patch length is 7mm ~ 7.2mm, and width is 1mm ~ 1.2mm; Longitudinal rectangle patch length of middle inverted L-shaped paster (13) is 3mm ~ 3.2mm, and width is 1mm ~ 1.2mm, and horizontal rectangle patch length is 22mm ~ 23mm, and width is 0.3mm ~ 0.4mm; Longitudinal rectangle patch length of upper inverted L-shaped paster (14) is 2mm ~ 2.2mm, and width is 0.5mm ~ 0.7mm, and horizontal rectangle patch length is 40mm ~ 42mm, and width is 0.4mm ~ 0.5mm; The longitudinal rectangular patch length of side of left L shape paster (15) is 1mm ~ 1.2mm, and horizontal rectangle patch length is 8mm ~ 8.2mm, and width is 0.7mm ~ 0.9mm.
5. the loop resonance folded antenna of a kind of LTE/WWAN frequency range as claimed in claim 1, it is characterized in that described vertical radiation band (4) length is 40mm ~ 42mm, is highly 4mm ~ 5mm.
6. the loop resonance folded antenna of a kind of LTE/WWAN frequency range as claimed in claim 1, it is characterized in that described horizontal radiation band (5) length is 40mm ~ 42mm, width is 5mm ~ 6mm.
7. the loop resonance folded antenna of a kind of LTE/WWAN frequency range as claimed in claim 1, it is characterized in that described metal ground plate (6) length is 200mm ~ 250mm, width is 150mm ~ 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520226899.9U CN204497363U (en) | 2015-04-13 | 2015-04-13 | The loop resonance folded antenna of LTE/WWAN frequency range |
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| CN201520226899.9U CN204497363U (en) | 2015-04-13 | 2015-04-13 | The loop resonance folded antenna of LTE/WWAN frequency range |
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| CN204497363U true CN204497363U (en) | 2015-07-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847526A (en) * | 2018-05-30 | 2018-11-20 | 杭州电子科技大学 | A kind of multiband MIMO terminal antenna based on flooring radiation mode |
| US20220043100A1 (en) * | 2019-04-26 | 2022-02-10 | Denso Corporation | Positioning system |
-
2015
- 2015-04-13 CN CN201520226899.9U patent/CN204497363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847526A (en) * | 2018-05-30 | 2018-11-20 | 杭州电子科技大学 | A kind of multiband MIMO terminal antenna based on flooring radiation mode |
| US20220043100A1 (en) * | 2019-04-26 | 2022-02-10 | Denso Corporation | Positioning system |
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Granted publication date: 20150722 Termination date: 20160413 |