CN212303895U - Mobile phone with broadband antenna - Google Patents
Mobile phone with broadband antenna Download PDFInfo
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- CN212303895U CN212303895U CN202020953949.4U CN202020953949U CN212303895U CN 212303895 U CN212303895 U CN 212303895U CN 202020953949 U CN202020953949 U CN 202020953949U CN 212303895 U CN212303895 U CN 212303895U
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Abstract
The utility model discloses a cell-phone with wide band antenna, including mobile phone motherboard and cell-phone backshell, mobile phone motherboard is equipped with the headroom area, signal connector and short circuit point connector are installed to the below that mobile phone motherboard is located the headroom area, the cell-phone backshell is equipped with the antenna area corresponding with the headroom area, it has the antenna radiator to paste on the antenna area. The utility model discloses simple structure bears the weight of antenna radiator through the antenna area and reduces the space and occupy, practices thrift the antenna cost, increases radiation efficiency and bandwidth, realizes multifrequency section cover through low frequency irradiator, high frequency irradiator and third gap.
Description
Technical Field
The utility model relates to a cell-phone communication field especially relates to a cell-phone with wide band antenna.
Background
The mobile phone antenna is one of indispensable components for mobile phone communication functions, the design of the mobile phone antenna is related to signals, efficiency and the like of the antenna, and the mobile phone antenna with excellent design has great advantages in the aspects of communication speed, signal receiving and the like.
The existing mobile phone is designed in the mobile phone by taking a support as an antenna carrier for beautifying the appearance, the required space is large, the assembly is complex, the antenna space is insufficient due to the thin mobile phone, the antenna space is insufficient, the antenna efficiency is low, the bandwidth is narrow, and the coverage frequency band is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a mobile phone with a broadband antenna.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cell-phone with wide band antenna, includes mobile phone motherboard and cell-phone backshell, mobile phone motherboard is equipped with the headroom, signal connector and short circuit point connector are installed to the below that mobile phone motherboard is located the headroom, the cell-phone backshell is equipped with the antenna area corresponding with the headroom, it has the antenna radiator to paste on the antenna area, the antenna radiator includes high frequency radiator and low frequency radiator, is formed with the third gap between high frequency radiator and the low frequency radiator, first gap has been seted up on the high frequency radiator, the second gap has been seted up on the low frequency radiator, the antenna radiator includes antenna feed end and antenna short circuit end, antenna feed end is connected with signal connector, the antenna short circuit end is connected with short circuit point connector.
Preferably, the first slit is disposed in parallel with the second slit.
Preferably, the first slit and the second slit are respectively provided with an opening, and the opening of the first slit is opposite to the opening of the second slit.
Preferably, the third gap is of an inverted L shape, an opening is formed at one end of the third gap, and the opening of the first gap and the opening of the second gap are both communicated with the third gap.
Preferably, the length of the high-frequency radiator is 42mm, and the width of the first slot is 1 mm.
Preferably, the length of the low-frequency radiator is 80mm, and the width of the second slot is 1 mm.
Preferably, the length and width of the third slit are 15mm and 1.2mm, respectively.
The utility model discloses following beneficial effect has:
1. the antenna area on the outer surface of the mobile phone rear shell is used as a carrier of the antenna radiator, so that the antenna cost is saved, the antenna radiator is simple and convenient to assemble, and the antenna radiator is completely arranged above the clearance area, so that the radiation efficiency of the antenna radiator is increased, and the bandwidth is increased.
2. The low-frequency resonance is generated through the low-frequency radiating body, the high-frequency resonance is generated through the high-frequency radiating body, the high-frequency resonance bandwidth is increased through the second high-frequency resonance generated by coupling of the third gap between the low-frequency radiating body and the high-frequency radiating body, and multi-band coverage is achieved.
To sum up, the utility model discloses simple structure bears the weight of antenna radiator through the antenna district and reduces the space and occupy, practices thrift the antenna cost, increases radiation efficiency and bandwidth, realizes multifrequency section cover through low frequency radiator, high frequency radiator and third gap.
Drawings
Fig. 1 is a schematic view of a structure of a mobile phone with a broadband antenna according to the present invention;
fig. 2 is an enlarged view of a portion of an antenna radiator of a mobile phone having a wideband antenna according to the present invention;
fig. 3 is a waveform diagram of the resonance of the mobile phone with the broadband antenna according to the present invention.
In the figure: the mobile phone comprises a mobile phone mainboard 1, a clearance area 11, a signal connector 12, a short-circuit point connector 13, a mobile phone rear shell 2, an antenna area 21, an antenna radiator 3, a high-frequency radiator 31, a low-frequency radiator 32, a first gap 33, a second gap 34, a third gap 35, an antenna feed end 36 and an antenna short-circuit end 37.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a mobile phone with a broadband antenna includes a mobile phone motherboard 1 and a mobile phone rear case 2, where the mobile phone motherboard 1 is provided with a clearance area 11, the mobile phone motherboard 1 is located below the clearance area 11 and is provided with a signal connector 12 and a short-circuit point connector 13, the mobile phone rear case 2 is provided with an antenna area 21 corresponding to the clearance area 11, the antenna area 21 is adhered with an antenna radiator 3, the antenna radiator 3 includes a high-frequency radiator 31 and a low-frequency radiator 32, a third gap 35 is formed between the high-frequency radiator 31 and the low-frequency radiator 32, the high-frequency radiator 31 is provided with a first gap 33, the low-frequency radiator 32 is provided with a second gap 34, the antenna radiator 3 includes an antenna feed end 36 and an antenna short-circuit end 37, the antenna feed end 36 is connected with the signal connector 12, and the antenna short-circuit end 37 is connected;
the antenna area 21 is located above the clearance area 11, and the antenna radiator 3 adhered to the antenna area 21 is completely located above the clearance area 11, so that the radiation efficiency of the antenna radiator 3 is increased.
The first slit 33 is arranged in parallel with the second slit 34.
The first slit 33 and the second slit 34 are respectively provided with an opening, and the opening of the first slit 33 and the opening of the second slit 34 are arranged opposite to each other.
The third slit 35 is of an inverted L shape, an opening is formed at one end of the third slit 35, and the opening of the first slit 33 and the opening of the second slit 34 are both communicated with the third slit 35.
The length of the high-frequency radiator 31 is about 42mm, the width of the first slot 33 is about 1mm, the high-frequency radiator 31 generates high-frequency resonance, according to the antenna principle, the design length of the high-frequency radiator 31 is changed to change the working frequency center point of the high-frequency resonance, and the design position of the first slot 33 is changed up and down to adjust the high-frequency resonance bandwidth, so that the high-frequency resonance bandwidth reaches high-frequency bands GSM1800 and GSM1900 with the optimal bandwidth of 1710-1990 MHz.
The length of the low-frequency radiator 32 is about 80mm, the width of the second slot 34 is about 1mm, the low-frequency radiator 32 is coupled to generate low-frequency resonance, according to the antenna principle, the design length of the low-frequency radiator 32 can be changed to change the working frequency center point of the low-frequency resonance, and the design position of the second slot 34 is changed up and down to adjust the working bandwidth of the low-frequency resonance, so that the low-frequency band GSM850 and GSM900 with the optimal bandwidth of 824-960 MHz are achieved.
The length and the width of the third slot 35 are about 15mm and 1.2mm respectively, a second high-frequency resonance is generated by coupling the third slot 35 between the high-frequency radiator 31 and the low-frequency radiator 32, and the high-frequency bandwidth of the antenna radiator 3 is increased by changing the design length of the third slot 35 so that the third slot is superposed with the high-frequency resonance generated by the high-frequency radiator 31, so that the third slot covers the WCDMA2100 with the frequency band of 1990-2170 MHz.
In this embodiment, the antenna radiator 3 is adhered to the surface of the antenna area 21 above the clearance area 11, so that the radiation efficiency of the antenna radiator 3 is increased, and the occupied space is small, so that the assembly is simpler and more convenient, the high-frequency radiator 31 of the antenna radiator 3 generates high-frequency resonance covering 1710-1990 MHz, the low-frequency radiator 32 generates low-frequency resonance covering 824-960 MHz, the third gap 35 between the high-frequency radiator 31 and the low-frequency radiator 32 is coupled to generate second high-frequency resonance to increase high-frequency resonance bandwidth covering 1990-2170 MHz, and the multi-band covering of the mobile phone antenna is realized.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A mobile phone with a broadband antenna comprises a mobile phone mainboard (1) and a mobile phone rear shell (2), and is characterized in that the mobile phone mainboard (1) is provided with a clearance area (11), the mobile phone mainboard (1) is positioned below the clearance area (11) and is provided with a signal connector (12) and a short-circuit point connector (13), the mobile phone rear shell (2) is provided with an antenna area (21) corresponding to the clearance area (11), the antenna area (21) is adhered with an antenna radiator (3), the antenna radiator (3) comprises a high-frequency radiator (31) and a low-frequency radiator (32), a third gap (35) is formed between the high-frequency radiator (31) and the low-frequency radiator (32), a first gap (33) is formed on the high-frequency radiator (31), a second gap (34) is formed on the low-frequency radiator (32), the antenna radiator (3) comprises an antenna feed end (36) and an antenna short-circuit end (37), the antenna feed end (36) is connected with the signal connector (12), and the antenna short-circuit end (37) is connected with the short-circuit point connector (13).
2. The handset with a broadband antenna according to claim 1, wherein the first slot (33) and the second slot (34) are arranged in parallel.
3. The mobile phone with the broadband antenna according to claim 1, wherein the first slot (33) and the second slot (34) are respectively provided with an opening, and the opening of the first slot (33) is opposite to the opening of the second slot (34).
4. The mobile phone with the broadband antenna as claimed in claim 3, wherein the third slot (35) is of an inverted-L shape, an opening is formed at one end of the third slot (35), and the opening of the first slot (33) and the opening of the second slot (34) are both communicated with the third slot (35).
5. The cellular phone with broadband antenna according to claim 1, wherein the length of the high frequency radiator (31) is 42mm, and the width of the first slot (33) is 1 mm.
6. The cellular phone with broadband antenna according to claim 1, wherein the length of the low frequency radiator (32) is 80mm, and the width of the second slot (34) is 1 mm.
7. The mobile phone with broadband antenna according to claim 1, wherein the length and width of the third slot (35) are 15mm and 1.2mm, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020953949.4U CN212303895U (en) | 2020-05-30 | 2020-05-30 | Mobile phone with broadband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020953949.4U CN212303895U (en) | 2020-05-30 | 2020-05-30 | Mobile phone with broadband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303895U true CN212303895U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020953949.4U Active CN212303895U (en) | 2020-05-30 | 2020-05-30 | Mobile phone with broadband antenna |
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| Country | Link |
|---|---|
| CN (1) | CN212303895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016184A1 (en) * | 2021-08-11 | 2023-02-16 | Oppo广东移动通信有限公司 | Antenna apparatus, housing, and electronic device |
-
2020
- 2020-05-30 CN CN202020953949.4U patent/CN212303895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023016184A1 (en) * | 2021-08-11 | 2023-02-16 | Oppo广东移动通信有限公司 | Antenna apparatus, housing, and electronic device |
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