CN209561608U - Slot antenna and electronic equipment - Google Patents
Slot antenna and electronic equipment Download PDFInfo
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- CN209561608U CN209561608U CN201920400001.3U CN201920400001U CN209561608U CN 209561608 U CN209561608 U CN 209561608U CN 201920400001 U CN201920400001 U CN 201920400001U CN 209561608 U CN209561608 U CN 209561608U
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- slot
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- slot antenna
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Abstract
The utility model embodiment provides a kind of slot antenna and electronic equipment, wherein slot antenna includes: substrate, with opposite the first face and the second face；Metal layer, it is arranged on first face and is grounded, the first slot and the second slot are offered on the metal layer, the length direction of first edge of first slot along the metal layer is arranged, one end of second slot is connected to first slot, and the other end of second slot extends to the first edge and forms opening in the first edge；Feeding portion is arranged on second face, and the feeding portion is connect across first slot and with the metal layer.The slot antenna structure of the utility model embodiment is simple, size is smaller, and the size for the slot for needing to open up on the shell using the electronic equipment of the slot antenna is smaller, can be improved the structural strength of shell, reduces production cost.
Description
Technical field
The utility model embodiment is related to antenna technical field more particularly to a kind of slot antenna and electronic equipment.
Background technique
With the rapid development and the demand lightening to electronic equipment of electronic equipment, more and more electronic equipments are used
Structural strength is higher and the lower carbon fiber shell of density.But similar with metal shell, carbon fiber shell equally has electromagnetic wave
Shielding action will affect the antenna transmitting/receiving wireless signal of electronic equipment.To avoid carbon fiber shell from making the shielding of wireless signal
With size is in the prior art opened up at position corresponding with antenna usually on carbon fiber shell and being passed through slightly larger than antenna size
Perforation, then fills the isolation material such as plastics in the through hole, to guarantee that antenna being capable of normal transmitting/receiving wireless signal.
But PCB antenna in the prior art and the size of LDS antenna are larger, the corresponding through hole for needing to open up on carbon fiber shell
Size it is also larger, seriously affect the structural strength of carbon fiber shell entirety.The especially carbon fiber shell of thinner thickness, carbon fiber
Dimension part is easy to be broken because of collision with the place of docking of parts of plastics.And due to carbon fiber portion and parts of plastics pair
When connecing, need complex and advanced technology that could maintain required intensity, the size of through hole is bigger, is produced into
This is higher.
Utility model content
In view of the above-mentioned problems in the prior art, the utility model embodiment provides that a kind of structure is simple and ruler
Very little lesser slot antenna and electronic equipment.
To solve the above problems, technical solution provided by the embodiment of the utility model is:
A kind of slot antenna comprising:
Substrate, with opposite the first face and the second face；
Metal layer is arranged on first face and is grounded, the first slot and the second slot are offered on the metal layer
Hole, first edge of first slot along the metal layer length direction arrangement, one end of second slot with it is described
The connection of first slot, the other end of second slot extend to the first edge and are formed in the first edge and opened
Mouthful；
Feeding portion, be arranged on second face, the feeding portion across first slot and with the metal layer
Connection.
In some embodiments, the feeding portion includes impedance matching element.
In some embodiments, the feeding portion includes inverted U-shaped portion and the rectangular portion for being connected to the inverted U-shaped portion side,
The impedance matching element is arranged in the rectangular portion.
In some embodiments, the metal layer includes high-frequency radiation part and low frequency radiation portion.
In some embodiments, the length of first slot is equal to the wave of the slot antenna low-frequency range to be covered
Long a quarter.
In some embodiments, first slot and the T-shaped arrangement of the second slot.
In some embodiments, first slot is parallel to the first edge, and second slot is perpendicular to described
First edge, first slot and second slot are rectangular shaped slot.
In some embodiments, the length of first slot is 22mm~23mm；
The width of first slot is 1.0mm~2.5mm；
The length of second slot is 3.5mm~5.0mm；
The width of second slot is 1.0mm~2.5mm.
In some embodiments, the length of first slot is 22mm；
The width of first slot is 1.5mm；
The length of second slot is 3.5mm；
The width of second slot is 2.0mm.
A kind of electronic equipment comprising shell and setting are in the intracorporal slot antenna as described above of the shell, the shell
Body is equipped with perforative third slot, and the third slot is corresponding with first slot and second slot.
Compared with prior art, the beneficial effect of the utility model embodiment is:
The slot antenna of the utility model embodiment, the first slot along the first edge of metal layer length direction arrange,
One end of second slot is connected to the first slot, and the other end extends to first edge and forms opening on the first edge, is opened up
There is the metal layer of the first slot and the second slot to constitute the irradiation unit of the slot antenna, passes through the feeding portion across the first slot
With irradiation unit intercouple can radiated electromagnetic wave or receive electromagnetic wave, the slot antenna structure is simple, and size is smaller.Traditional slot
The entire length of hole antenna will at least reach the half of peak low band wavelength, the slot antenna of the utility model embodiment
Length can be reduced to a quarter of traditional slot antenna length, and compared with traditional LDS antenna, overall dimensions cocoa reduces
Close to 70%.And the slot antenna also has characteristic for ease of maintenaince, once damage only needs to change metal layer, can drop
The low cost of overhaul.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the slot antenna of the utility model embodiment；
Fig. 2 is the standing-wave ratio testing result schematic diagram of the slot antenna of the utility model embodiment；
Fig. 3 is the gain testing result schematic diagram of the slot antenna of the utility model embodiment.
Appended drawing reference:
1- metal layer；2- first edge；The first slot of 3-；The second slot of 4-；5- feeding portion；6- impedance matching element.
Specific embodiment
To make those skilled in the art better understand the technical solution of the utility model embodiment, with reference to the accompanying drawing and
Specific embodiment elaborates to the utility model.
Fig. 1 is the structural schematic diagram of the slot antenna of the utility model embodiment, shown in Figure 1, the slot antenna packet
It includes: substrate, metal layer 1 and feeding portion 5 (feeding portion 5 shown in Fig. 1 is its projected position on metal layer 1), wherein base
Plate has opposite the first face and the second face, which can be such as pcb board；Metal layer 1 is arranged on the first face of substrate simultaneously
And be grounded, which can be for such as copper foil or aluminium foil；Offer the first slot 3 and the second slot 4 on metal layer 1, first
Slot 3 arranges that the first edge 2 can be the either side edge of metal layer 1 along the length direction of the first edge 2 of metal layer 1, the
One end of two slots 4 is connected to the first slot 3, and the other end of the second slot 4 extends to first edge 2 and in first edge 2
Form opening；Feeding portion 5 is arranged on the second face of substrate, and feeding portion 5 is connect across the first slot 3 and with metal layer 1.
Slot antenna using the above structure, the first slot 3 arrange along the length direction of the first edge 2 of metal layer 1, the
One end of two slots 4 is connected to the first slot 3, and the other end extends to first edge 2 and forms opening in first edge 2, is opened
Metal layer 1 equipped with the first slot 3 and the second slot 4 constitutes the irradiation unit of the slot antenna, by across the first slot 3
Feeding portion 5 and irradiation unit, which intercouple, radiated electromagnetic wave or to receive electromagnetic wave, and the slot antenna structure is simple, size compared with
It is small.The entire length of traditional slot antenna will at least reach the half of peak low band wavelength, the utility model embodiment
The length of slot antenna can be reduced to a quarter of traditional slot antenna length, with traditional day laser direct forming (LDS)
Line is compared, and overall dimensions cocoa is reduced close to 70%.And the slot antenna also has characteristic for ease of maintenaince, once damage
Metal layer 1 is only needed to change, can reduce the cost of overhaul.
In some embodiments, which may include inverted U-shaped portion and rectangular portion, and the open end in the inverted U-shaped portion can be located at
The side of first slot 3 far from first edge 2, the closed end in inverted U-shaped portion can be located at the first slot 3 close to first edge 2
Side, thus across the first slot 3.The rectangular portion can be located at the first side of the slot 3 far from first edge 2, and be connected to
The side in inverted U-shaped portion, feeder line are attached to the other side in inverted U-shaped portion, to make feeding portion 5 intercouple with irradiation unit, with spoke
Penetrate or receive electromagnetic wave.The mould that can excite multiple frequency ranges is matched with the first slot 3 and the second slot 4 by the feeding portion 5
State is operable in the slot antenna in multiple frequency ranges, to widen the frequency bandwidth of the slot antenna.
In some embodiments, feeding portion 5 may include impedance matching element 6, which may be provided at rectangle
In portion, the impedance of feeding portion 5 can be adjusted by the way that the impedance matching element 6 is arranged, so that impedance and the irradiation unit of feeding portion 5
Impedance matches, so that signal is maximumlly transmitted to irradiation unit from feeding portion 5, and forms electromagnetic wave outside by irradiation unit
Radiation, can reduce the standing-wave ratio of the slot antenna, improves the efficiency of the slot antenna.Fig. 2 is the utility model embodiment
The standing-wave ratio testing result schematic diagram of slot antenna, as can be known from Fig. 2, the standing-wave ratio of the slot antenna of the utility model embodiment
Standard requirements can be met substantially in each frequency range.Specifically, the impedance matching element 6 can be for capacitor, inductance or by capacitor
With the compound circuit of inductance composition.
In some embodiments, metal layer 1 may include high-frequency radiation part and low frequency radiation portion, and wherein high-frequency radiation part is available
In the electromagnetic wave of radiation such as 5GHz, low frequency radiation portion can be used for radiating the electromagnetic wave of such as 2.4GHz.Specifically, first slot
The length in hole 3 can be equal to a quarter of the wavelength for the low-frequency range that slot antenna to be covered.
In some embodiments, the first slot 3 T-shaped can be arranged with the second slot 4.For example, the first slot 3 can be parallel to
First edge 2, the second slot 4 can be perpendicular to first edge 2, and the first slot 3 and the second slot 4 can be rectangular shaped slot.Tool
Body, the length of the first slot 3 can be 22mm~23mm, and the width of the first slot 3 can be 1.0mm~2.5mm.Second slot 4
Length can be 3.5mm~5.0mm, the width of the second slot 4 is 1.0mm~2.5mm.In a preferred embodiment, first
The length of slot 3 can be 22mm, and the width of the first slot 3 can be 1.5mm, the second slot 4 can length be 3.5mm, the second slot
The width in hole 4 can be 2.0mm.By the size of reasonable disposition the first slot 3 and the second slot 4, the slot antenna can be made full
The wavelength requirement of sufficient high band and low-frequency range, additionally it is possible to make the spoke being collectively formed by the first slot 3, the second slot 4 and metal layer 1
It penetrates portion to match to form multiple resonance modes with feeding portion 5, to widen the frequency bandwidth of the slot antenna, and can be improved this
The antenna gain of slot antenna.Fig. 3 is the antenna gain testing result schematic diagram of the slot antenna of the utility model embodiment, from
It is found that the antenna gain of the slot antenna of the utility model embodiment is able to satisfy standard requirements in each frequency range in Fig. 3.
The utility model embodiment additionally provides a kind of electronic equipment comprising shell and setting are in the intracorporal institute as above of shell
The slot antenna stated, shell are equipped with perforative third slot, third slot and first slot 3 and second slot 4
It is corresponding.The electronic equipment can be laptop, tablet computer, smart phone etc., no longer repeat one by one herein.Electronic equipment
Shell can be carbon fiber shell, can also be metal shell.It can be filled with the dielectric such as plastics, third in third slot
The shape of slot can be same or similar with the global shape of the first slot 3 and the second slot 4, and the size of the third slot can be bigger
In the size of the first slot 3 and the second slot 4, to avoid influencing slot antenna radiation and receiving electromagnetic wave.
Since above-mentioned slot antenna has the advantages that structure is simple and size is lesser, so, using the slot antenna
The size of electronic equipment, the third slot for needing to open up on shell is smaller, can be improved the structural strength of shell, reduces production
Cost, and the aesthetics of electronic equipment can also be improved.
Above embodiments are only the exemplary embodiment of the utility model, are not used in limitation the utility model, this is practical new
The protection scope of type is defined by the claims.Those skilled in the art can be in the essence and protection scope of the utility model
It is interior, various modifications or equivalent replacements are made to the utility model, this modification or equivalent replacement also should be regarded as falling in originally practical new
In the protection scope of type.
Claims (10)
1. a kind of slot antenna characterized by comprising
Substrate, with opposite the first face and the second face；
Metal layer is arranged on first face and is grounded, the first slot and the second slot, institute are offered on the metal layer
State length direction arrangement of first slot along the first edge of the metal layer, one end of second slot and first slot
Hole connection, the other end of second slot extend to the first edge and form opening in the first edge；
Feeding portion is arranged on second face, and the feeding portion is connect across first slot and with the metal layer.
2. slot antenna according to claim 1, which is characterized in that the feeding portion includes impedance matching element.
3. slot antenna according to claim 2, which is characterized in that the feeding portion includes inverted U-shaped portion and is connected to institute
The rectangular portion of inverted U-shaped portion side is stated, the impedance matching element is arranged in the rectangular portion.
4. slot antenna according to claim 1, which is characterized in that the metal layer includes high-frequency radiation part and low frequency spoke
Penetrate portion.
5. slot antenna according to claim 4, which is characterized in that the length of first slot is equal to the slot day
The a quarter of the wavelength of the line low-frequency range to be covered.
6. slot antenna according to claim 1, which is characterized in that first slot and second slot are T-shaped
Arrangement.
7. slot antenna according to claim 6, which is characterized in that first slot is parallel to the first edge,
For second slot perpendicular to the first edge, first slot and second slot are rectangular shaped slot.
8. slot antenna according to claim 7, which is characterized in that the length of first slot is 22mm~23mm；
The width of first slot is 1.0mm~2.5mm；
The length of second slot is 3.5mm~5.0mm；
The width of second slot is 1.0mm~2.5mm.
9. slot antenna according to claim 8, which is characterized in that the length of first slot is 22mm；
The width of first slot is 1.5mm；
The length of second slot is 3.5mm；
The width of second slot is 2.0mm.
10. a kind of electronic equipment, which is characterized in that intracorporal as claim 1-9 is any in the shell including shell and setting
Slot antenna described in, the shell are equipped with perforative third slot, the third slot and first slot and institute
It is corresponding to state the second slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400001.3U CN209561608U (en) | 2019-03-27 | 2019-03-27 | Slot antenna and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400001.3U CN209561608U (en) | 2019-03-27 | 2019-03-27 | Slot antenna and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209561608U true CN209561608U (en) | 2019-10-29 |
Family
ID=68311679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400001.3U Active CN209561608U (en) | 2019-03-27 | 2019-03-27 | Slot antenna and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209561608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112825386A (en) * | 2019-11-20 | 2021-05-21 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN113708054A (en) * | 2020-05-20 | 2021-11-26 | 华为技术有限公司 | Electronic device |
| TWI774301B (en) * | 2021-03-31 | 2022-08-11 | 啟碁科技股份有限公司 | Electronic device and antenna feeding module |
-
2019
- 2019-03-27 CN CN201920400001.3U patent/CN209561608U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112825386A (en) * | 2019-11-20 | 2021-05-21 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN112825386B (en) * | 2019-11-20 | 2023-06-30 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with same |
| CN113708054A (en) * | 2020-05-20 | 2021-11-26 | 华为技术有限公司 | Electronic device |
| CN113708054B (en) * | 2020-05-20 | 2023-04-04 | 华为技术有限公司 | Electronic device |
| TWI774301B (en) * | 2021-03-31 | 2022-08-11 | 啟碁科技股份有限公司 | Electronic device and antenna feeding module |
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