CN216597971U - Antenna for removing PCB - Google Patents
Antenna for removing PCB Download PDFInfo
- Publication number
- CN216597971U CN216597971U CN202122313047.1U CN202122313047U CN216597971U CN 216597971 U CN216597971 U CN 216597971U CN 202122313047 U CN202122313047 U CN 202122313047U CN 216597971 U CN216597971 U CN 216597971U
- Authority
- CN
- China
- Prior art keywords
- antenna
- pcb
- bending
- bending part
- base
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Support Of Aerials (AREA)
Abstract
The utility model discloses an antenna for removing a PCB (printed circuit board), which comprises a feeding part, a grounding part and more than one bending part; the feeding part is connected with one end of the bending part; the other end of the bent part is connected with the grounding part; the LOOP antenna is composed of the plurality of bending parts, the feeding part and the grounding part, can excite resonance of various frequency modes, meets the broadband working requirement of the antenna in actual working, does not need to be provided with a micro-strip matching PCB, omits the process of designing the PCB and the process step of arranging the PCB, simplifies the process flow in the manufacturing process of the antenna, and reduces the production cost on the premise of ensuring the working bandwidth of the antenna.
Description
Technical Field
The utility model relates to the field of antennas, in particular to an antenna for removing a PCB.
Background
With the development of 5G mobile communication networks, people have higher and higher demands on high-performance network quality. Due to the fact that the coverage range of 5G high-frequency band signals is small, the capacity of penetrating through buildings is weak, most of services occur indoors in the future, and high-performance indoor networks are needed in personal consumption services such as high-definition videos, indoor positioning and VR/AR and application scenes in vertical fields such as factories, warehouses and hospitals. In order to increase network capacity and extend coverage to alleviate macro-cell loading, small base station antenna devices have come into play.
However, the existing antenna usually needs to be matched with a PCB for microstrip matching, which occupies a large space and increases the manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the antenna without the PCB is provided, and the production cost of the antenna is reduced.
In order to solve the technical problems, the utility model adopts the technical scheme that:
an antenna for removing PCB comprises a feed part, a grounding part and more than one bending part;
the feed part is connected with one end of the bending part;
the other end of one of the bent portions is connected to the ground portion.
Further, the bending part comprises a first bending part and a second bending part;
one end of the first bending part is connected with the feeding part, and the other end of the first bending part is connected with the grounding part;
one end of the second bending part is connected with the feeding part and is arranged in an area enclosed by the first bending part.
Further, the first bent part is shaped like Jiong; one side edge of the two side edges which are parallel to each other is connected with the feeding portion and is provided with a step-shaped edge, and the other side edge of the two side edges is connected with the grounding portion.
Further, the electrical length of the first bending part is 0.4-0.6 times of the low-frequency guided wave wavelength.
Further, the electrical length of the first bending part is 0.9-1.1 times of the high-frequency guided wave wavelength;
the electrical length of the second bending part is 0.4-0.6 times of the high-frequency guided wave wavelength.
Further, still include the support, the kink sets up on the support.
Further, still include the shield cover, the support is fixed on one side of shield cover.
Further, still include the base, the shield cover sets up one side of base.
Further, the device also comprises an upper cover;
the upper cover is arranged above one side of the base and forms a cavity with the base;
the stent is disposed within the cavity.
The utility model has the beneficial effects that: the LOOP antenna is composed of the plurality of bending parts, the feeding part and the grounding part, resonance of various frequency modes can be excited, broadband working requirements of the antenna in actual working are met, the LOOP antenna does not need to be provided with the micro-strip matching PCB, the process of designing the PCB and the process step of arranging the PCB are omitted, the process flow in the antenna manufacturing process is simplified, and therefore the reduction of production cost is achieved on the premise of ensuring the working bandwidth of the antenna.
Drawings
Fig. 1 is a schematic diagram of an antenna without PCB according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an antenna body of a PCB-removed antenna according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating an antenna node distribution of an antenna without a PCB according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of S11 parameters in a simulation of a PCB-removed antenna according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of efficiency data in a simulation of a PCB-removed antenna according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the surface current distribution of the antenna body at low frequency in the simulation of the antenna without PCB according to the embodiment of the present invention;
FIG. 7 is a schematic diagram of the surface current distribution of the antenna body at high frequency in the simulation of the antenna without PCB according to the embodiment of the present invention;
description of reference numerals:
1. a base; 2. a shield case; 3. a support; 4. an antenna main body; 5. an upper cover; 11. a feeding section; 12. a ground part; 13. a first bent portion; 14. a second bent portion; 101-.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, an antenna for removing a PCB includes a feeding portion, a grounding portion, and more than one bending portion;
the feed part is connected with one end of the bending part;
the other end of one of the bent portions is connected to the ground portion.
From the above description, the beneficial effects of the present invention are: the LOOP antenna is composed of the plurality of bending parts, the feed part and the grounding part, can excite resonance of various frequency modes, meets the broadband working requirement of the antenna in actual working, does not need to be provided with a micro-strip matching PCB, saves the process of designing the PCB and the process step of arranging the PCB, simplifies the process flow in the antenna manufacturing process, and reduces the production cost on the premise of ensuring the working bandwidth of the antenna.
Further, the bending part comprises a first bending part and a second bending part;
one end of the first bending part is connected with the feeding part, and the other end of the first bending part is connected with the grounding part;
one end of the second bending part is connected with the feeding part and is arranged in an area enclosed by the first bending part.
As can be seen from the above description, the first bending portion includes the second bending portion, so that the second bending portion can be coupled with the first bending portion after power is turned on to implement bandwidth expansion, and the second bending portion is disposed in an area surrounded by the first bending portion, thereby saving the occupied space of the antenna.
Further, the first bent part is shaped like Jiong; one side edge of the two side edges which are parallel to each other is connected with the feeding portion and is provided with a step-shaped edge, and the other side edge of the two side edges is connected with the grounding portion.
As can be seen from the above description, the first bending part is Jiong-shaped, the middle of the first bending part encloses an area that can leave enough space to provide a second bending part, one side of the first bending part is connected to the power feeding part, the other side of the first bending part is connected to the ground part, a current is formed in the first bending part, and the first bending part can be coupled to the second bending part provided in the first bending part, so as to meet the bandwidth requirement while saving enough space.
Further, the electrical length of the first bending part is 0.4-0.6 times of the low-frequency guided wave wavelength.
From the above description, the electrical length of the first bending part is 0.4-0.6 times of the low-frequency guided wave wavelength, so as to excite the resonant frequency of the low frequency band and excite the LOOP operating mode of the antenna in the low frequency band.
Further, the electrical length of the first bending part is 0.9-1.1 times of the high-frequency guided wave wavelength;
the electrical length of the second bending part is 0.4-0.6 times of the high-frequency guided wave wavelength.
As can be seen from the above description, the electrical length of the first bending portion is 0.9-1.1 times of the high-frequency guided wave wavelength, and the electrical length of the second bending portion is 0.4-0.6 times of the high-frequency guided wave wavelength, so as to excite the resonant frequency of the high frequency band at the first bending portion, and to realize that the resonant frequency of the high frequency band can be coupled at the second bending portion, so as to excite the LOOP operating mode of the antenna at the high frequency band.
Further, still include the support, the kink sets up on the support.
As can be seen from the above description, the bracket is provided, and the bending portion is provided on the bracket, so that the antenna and other components can be separated by the bracket, and the radiation intensity of the antenna can be improved.
Further, still include the shield cover, the support is fixed on one side of shield cover.
According to the above description, the shielding case is arranged, and the support is fixed on one side of the shielding case, so that the interference of other components during the operation of the antenna is avoided, and the radiation effect of the antenna is ensured.
Further, still include the base, the shield cover sets up one side of base.
According to the above description, the base is arranged, the shielding cover is arranged on one side of the base, the base is convenient to place the shielding cover and other structures, and the stability of the whole structure is guaranteed.
Further, the device also comprises an upper cover;
the upper cover is arranged above one side of the base and forms a cavity with the base;
the stent is disposed within the cavity.
As can be seen from the above description, the upper cover and the base form a cavity, and components such as the bracket, the antenna and the like are arranged in the cavity, so that the antenna and other components are isolated, and the antenna is prevented from being interfered by the external environment in the installation process.
The antenna module can be applied to devices requiring an antenna, such as handheld mobile devices, and is described below by specific embodiments:
referring to fig. 1, a first embodiment of the present invention is:
an antenna for removing PCB comprises an antenna main body 4, a bracket 3, a shielding case 2, a base 1 and an upper cover 5;
the antenna main body 4 includes a feeding portion 11, a grounding portion 12, and more than one bent portion; the feeding part 11 is connected with one end of the bending part; the other end of one of the bent portions is connected to the ground portion 12; more than one bending part is arranged on the bracket 3; the bracket 3 is fixed on one side of the shielding case 2; the shielding case 2 is arranged on one side of the base 1; the upper cover 5 is arranged above one side of the base 1 and forms a cavity with the base 1; the bracket 3, the shielding case 2 and the antenna main body 4 are all arranged in the cavity;
in an optional embodiment, the antenna body 4 is an FPC (Flexible Printed Circuit), and bending resistance can be attached to surfaces of different shapes, so that the bracket 3 can be set in different shapes in cooperation with internal structures at different positions, and the occupied space is further reduced;
in an optional implementation mode, the antenna main body 4 is directly attached to the bracket 3, so that the production process is simplified, and the production efficiency is improved;
specifically, the bracket 3 and the upper cover 5 are made of plastic materials; the shielding case 2 and the base 1 are made of metal, which can be a simple metal or an alloy.
Referring to the drawings, a second embodiment of the present invention is:
an antenna without PCB is different from the first embodiment in that:
the bending part comprises a first bending part 13 and a second bending part 14; one end of the first bending part 13 is connected to the feeding part 11, and the other end is connected to the grounding part 12; one end of the second bent portion 14 is connected to the power feeding portion 11, and is disposed in an area surrounded by the first bent portion 13; the first bent part 13 is shaped like Jiong; one of two parallel sides is connected to the power supply portion 11 and has a step-shaped edge, and the other side is connected to the grounding portion 12;
in an alternative embodiment, the electrical length of the first bend 13 is 0.4-0.6 times the low frequency guided wave wavelength;
in an alternative embodiment, the electrical length of the first bend 13 is 0.9-1.1 times the guided high frequency wavelength; the electrical length of the second bending part 14 is 0.4-0.6 times of the high-frequency guided wave wavelength;
referring to fig. 4-7, a simulation of a specific application scenario in the CST (three-dimensional electromagnetic field simulation software) of the present invention is shown, in which the combined size of the upper cover and the base is 200mm × 200mm × 65mm, and the base and the shielding cover are made of metal materials with non-smooth surfaces; the antenna main body is made of copper foil with loss, and the support and the upper cover are made of plastic materials with loss;
referring to fig. 6, when the antenna operates in a low frequency band, mainly the LOOP mode of the first bending portion 13, which is 0.5 times the low frequency guided wave wavelength, functions: a current signal is fed from the feeding section 11 and flows into the first bent section 13, and the electrical length of the first bent section 13 is about 0.5 times of the low-frequency guided wave wavelength; when current passes through antenna nodes 101-103 from the feed part 11, namely passes through 0.25 times of low-frequency guided wave wavelength and reaches an antenna node 104, namely the middle part of the first bending part 13, the current direction is reversed, and then passes through 0.25 times of low-frequency guided wave wavelength, namely passes through an antenna node 105 and reaches the grounding part 12, a current loop of 0.5 times of low-frequency guided wave wavelength is formed, so that the resonant frequency of a low frequency band is excited; in the process, the current at the feed part 11 is the largest and moves in a cosine mode, and a zero point appears after 0.25 times of low-frequency guided wave wavelength, so that the current direction is reversed; moreover, the first bending part 13 just corresponds to 0.5 times of low-frequency guided wave wavelength, and the two parts are matched to excite an LOOP working mode, so that PCB microstrip matching is omitted;
referring to fig. 7, when the antenna operates in a high frequency band, mainly the 1.0-fold LOOP mode of the first bent portion 13 and the 0.5-fold LOOP mode of the second bent portion 14 are coupled to each other: the current signal is fed from the feeding portion 11 and flows into the first bent portion 13. The electrical length of the first bent portion 13 is about 1.0 times the high-frequency guided wave wavelength; when the current passes through the antenna nodes 101-103 from the feed part 11, namely passes through 0.25 times of high-frequency guided wave wavelength, the current direction is reversed; when the current reaches the antenna node 105 after passing through the antenna node 104, the current direction is reversed again; finally, the current flows to the grounding part 12 through the antenna node 105 to form a current loop of 1.0 time of the high-frequency guided wave wavelength, so that the resonance frequency of a high frequency band is excited; meanwhile, when the current passes through the path of the antenna node 104, the current is stronger, and the reverse current coupled to the second bending portion 14 is larger; the coupling current passes through the antenna node 108, the antenna node 107, the antenna node 106 and the antenna node 102 from the antenna node 109 to the antenna node 103, and forms a loop of 0.5 times of high-frequency guided wave wavelength, so that the resonant frequency of a high frequency band is coupled out on the second bending part 14; thereby ensuring the working bandwidth of the antenna on the basis of not arranging the PCB;
that is, according to fig. 6 to fig. 7, it can be known that the current path and the magnitude of the antenna surface in the simulation of the present embodiment are consistent with those explained above, and the antenna can normally operate in the corresponding mode;
referring to fig. 4, it can be seen that the S11 parameter of the antenna in the simulation is not greater than-10 dB in the required frequency band, which has a better gain effect;
fig. 5 is a schematic diagram of the antenna efficiency of the simulation in this embodiment, where the antenna efficiency is a ratio of the radiated power to the incident power of the antenna, and the value is smaller than 1, which is one of the antenna indexes; as can be seen, the simulated antenna efficiency of the present embodiment exceeds 0.82 and can reach as high as 0.96; if the microstrip matching PCB is added, extra dielectric loss and microstrip loss are added, so that the power radiated by the antenna is reduced, and the efficiency is reduced.
In summary, the antenna for removing the PCB provided by the present invention includes an antenna main body, a support, a base, a shielding case and an upper cover, wherein the antenna main body includes a feeding portion, a grounding portion and more than one bending portion, the bending portion is disposed on the support, the support is disposed on the base, the shielding case is disposed on one side of the support, the upper cover and the base are matched to form a cavity, the support, the shielding case and the antenna are all disposed in the cavity, the antenna main body forms an LOOP antenna, so that the function of the antenna can be realized without microstrip matching of the PCB, and by disposing the first bending portion and the second bending portion, the operation in two frequency bands of low frequency and high frequency can be realized, and the required working bandwidth can be ensured; meanwhile, the antenna main body is arranged in the cavity formed by the upper cover and the base, so that the antenna assembly can be prevented from being scratched or influenced when the antenna main body is arranged in equipment and is jointly installed with other assemblies, the normal work of the antenna is ensured, meanwhile, the PCB module is omitted, the process can be simplified, and the reduction of the production cost is realized.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. An antenna for removing a PCB is characterized by comprising a feeding part, a grounding part and more than one bending part;
the feed part is connected with one end of the bending part;
the other end of one of the bent portions is connected to the ground portion.
2. The PCB-removed antenna of claim 1, wherein the bending portion comprises a first bending portion and a second bending portion;
one end of the first bending part is connected with the feeding part, and the other end of the first bending part is connected with the grounding part;
one end of the second bending part is connected with the feeding part and is arranged in an area enclosed by the first bending part.
3. The PCB-removed antenna of claim 2, wherein the first bending portion is shaped like "Jiong"; one side edge of the two side edges which are parallel to each other is connected with the feeding portion and is provided with a step-shaped edge, and the other side edge of the two side edges is connected with the grounding portion.
4. A depanetized antenna according to claim 2 or 3, wherein the electrical length of the first bend is 0.4-0.6 times the low frequency guided wave wavelength.
5. The depanetized antenna of claim 2 or 3, wherein the electrical length of the first bend is 0.9-1.1 times the high frequency guided wave wavelength;
the electrical length of the second bending part is 0.4-0.6 times of the high-frequency guided wave wavelength.
6. The PCB-removed antenna of claim 5, further comprising a bracket, wherein the bent portion is disposed on the bracket.
7. An antenna for a PCB as claimed in claim 6, further comprising a shield, the support being secured to one side of the shield.
8. An antenna for a PCB as claimed in claim 7, further comprising a base, the shield being provided on one side of the base.
9. The PCB-removed antenna of claim 8, further comprising an upper cover;
the upper cover is arranged above one side of the base and forms a cavity with the base;
the stent is disposed within the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122313047.1U CN216597971U (en) | 2021-09-23 | 2021-09-23 | Antenna for removing PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122313047.1U CN216597971U (en) | 2021-09-23 | 2021-09-23 | Antenna for removing PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216597971U true CN216597971U (en) | 2022-05-24 |
Family
ID=81637053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122313047.1U Active CN216597971U (en) | 2021-09-23 | 2021-09-23 | Antenna for removing PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216597971U (en) |
-
2021
- 2021-09-23 CN CN202122313047.1U patent/CN216597971U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102455333B1 (en) | Antenna systems and terminal equipment | |
| US11916282B2 (en) | Coupling antenna apparatus and electronic device | |
| CN210443665U (en) | Radiating unit with 880-960MHz band filtering characteristic and base station antenna | |
| CN107946752B (en) | Substrate integrated gap waveguide electromagnetic dipole antenna | |
| CN202444054U (en) | Antenna and mobile terminal | |
| CN108346855B (en) | Millimeter wave antenna monomer | |
| CN109818134B (en) | Terminal with metal frame antenna | |
| CN103594782A (en) | Circuit board antenna | |
| CN216597971U (en) | Antenna for removing PCB | |
| CN109687134A (en) | Circuit board structure and equipment | |
| CN215579061U (en) | Antenna device and intelligent wearable equipment | |
| EP3787113B1 (en) | Antenna module and terminal | |
| CN209133689U (en) | Circuit board structure and equipment | |
| CN209401822U (en) | A kind of 5GNR multiband aerial | |
| CN112768949A (en) | Hybrid antenna structure based on metal frame and electronic equipment | |
| CN107994329B (en) | Compact 4G LTE MIMO and GPS three-in-one antenna | |
| CN216015709U (en) | WIFI6E on-board terminal antenna based on CPW structure | |
| CN114824768B (en) | Loop antenna and TWS earphone | |
| CN219040730U (en) | Electronic equipment | |
| CN216720291U (en) | Antenna assembly and electronic equipment | |
| CN218448448U (en) | Broadband Sub-6GHz antenna | |
| CN215989221U (en) | Antenna device and electronic apparatus | |
| CN218472282U (en) | Small-size WIFI dual-frenquency antenna module | |
| CN109546291B (en) | 5GNR multiband antenna | |
| CN215989234U (en) | Antenna device and electronic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |