CN107749912B - Flash lamp device with antenna function and mobile terminal - Google Patents
Flash lamp device with antenna function and mobile terminal Download PDFInfo
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- CN107749912B CN107749912B CN201710860472.8A CN201710860472A CN107749912B CN 107749912 B CN107749912 B CN 107749912B CN 201710860472 A CN201710860472 A CN 201710860472A CN 107749912 B CN107749912 B CN 107749912B
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- branch end
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- lamp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a flash lamp device with an antenna function, which comprises a front shell, a mainboard and a lamp strip which are arranged on the front shell simultaneously, and a flash lamp arranged on the outer layer of the lamp strip, wherein the lamp strip comprises a routing layer and a conducting layer which are insulated from each other, the routing layer is electrically connected with the flash lamp, and the routing layer is communicated with the mainboard; and the main board is provided with an antenna feed point and a grounding point which are respectively and electrically connected to different positions of the conducting layer. The invention discloses a flash lamp device with an antenna function and a mobile terminal.
Description
Technical Field
The present invention relates to the field of antenna technology, and more particularly, to a flash lamp device with an antenna function and a mobile terminal.
Background
In order to make the touch screen flash in certain scenes, such as playing music or flashing the touch screen when notified by a message, we can add a flash under the glass cover of the touch screen. The flash lamp can be placed at a position outside the liquid crystal display area at the lower part of the mobile phone, and when the flash lamp emits light, the glass cover plate of the touch screen can guide the light into the whole touch screen. For a better flashing effect, the flash lamp cannot be attached to the small plate, the flash lamp needs to be attached to the lamp strip, and the lamp strip is assembled inside the mobile phone and is close to the touch screen glass as much as possible. However, because the lamp strip of the flash lamp coincides with the antenna region, the circuit of the flash lamp and the lamp strip can have a serious influence on the performance of the antenna.
Disclosure of Invention
The present invention is directed to overcome the deficiencies of the prior art and to provide a flashlight device with an antenna function.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flash lamp device with an antenna function comprises a front shell, a main board and a lamp strip which are arranged on the front shell simultaneously, and a flash lamp arranged on the outer layer of the lamp strip, wherein the lamp strip comprises a routing layer and a conducting layer which are insulated from each other, the routing layer is electrically connected with the flash lamp, and the routing layer is conducted with the main board; and the main board is provided with an antenna feed point and a grounding point which are respectively and electrically connected to different positions of the conducting layer.
Preferably, the light strip further includes a first branch end and a second branch end electrically connected to the conductive layer, respectively, the first branch end is electrically connected to the antenna feed point, and the second branch end is electrically connected to the ground point.
Preferably, the flash lamp device with the antenna function further includes a first elastic sheet and a first elastic sheet, two ends of the first elastic sheet abut against the first branch end and the antenna feed point respectively, and two ends of the second elastic sheet abut against the second branch end and the ground point respectively.
Preferably, a tuning circuit is further disposed on the main board, and the tuning circuit is electrically connected between the second elastic piece and the grounding point.
Preferably, the tuning circuit includes a matching network and a tuning switch, the matching network includes a plurality of matching circuits connected in series to the ground point, a plurality of matching terminals of the tuning switch are electrically connected to the plurality of matching circuits, respectively, and a common terminal of the tuning switch is electrically connected to the second elastic piece.
Preferably, the lamp strip is provided with positioning holes at two ends, the front shell is provided with positioning columns, and the positioning columns penetrate through the positioning holes.
Preferably, the light strip further includes a third branch end electrically connected to the wiring layer, and the third branch end is electrically connected to the main board.
Preferably, the flash lamp is an LED lamp.
Preferably, the light strip is a flexible circuit board.
The invention also provides a mobile terminal which comprises a display panel and any one of the flashlight devices with the antenna function, wherein the display panel is arranged on the opening of the front shell, and the lamp strip is positioned at the bottom end of the front shell.
The invention discloses a flash lamp device with an antenna function and a mobile terminal.
Drawings
Fig. 1 is an exploded view of a mobile terminal according to an embodiment of the present invention.
Fig. 2 is a state diagram of the lamp strip and the flashlight of the embodiment of the invention.
Fig. 3 is an assembly state diagram of the lamp strip and the motherboard according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2 and 3, the flashlight device with an antenna function according to an embodiment of the present invention includes a front housing 10, a motherboard 20 and a light strip 30 both disposed on the front housing 10, and a flashlight 40 disposed outside the light strip 30, where the light strip 30 includes a wiring layer and a conductive layer insulated from each other, where the flashlight 40 is electrically connected to the wiring layer, and the wiring layer is electrically connected to the motherboard 20. The main board 20 is provided with an antenna feed point and a ground point, which are electrically connected to the unused positions of the conductive layer, respectively, and the conductive layer is used for realizing the resonance of the antenna. Therefore, the mobile terminal realizes the function of the antenna by utilizing the lamp belt while realizing the flashing effect, solves the influence of a flash lamp device on the antenna, and reduces the occupied space of the antenna.
Specifically, as shown in fig. 2, the light strip 30 further includes a first branch end 31 and a second branch end 32 electrically connected to the conductive layer, respectively, where the first branch end 31 is electrically connected to the antenna feed point, and the second branch end 32 is electrically connected to the ground point, so as to facilitate the electrical connection between the conductive layer and the motherboard 20. As a preferred embodiment, the flash device further includes a first elastic sheet 51 and a second elastic sheet 52, wherein two ends of the first elastic sheet 51 are respectively abutted to the antenna feed point and the first branch end 31, and two ends of the second elastic sheet 52 are respectively abutted to the ground point and the second branch end 32, so that stable connection between the conductive layer and the main board 20 can be realized.
Further, the light strip 30 further includes a third branch end 33 electrically connected to the wiring layer, and the third branch end 33 is electrically connected to the main board 20 through a connector, so that the main board 20 can control the operation of the flash 40. The outer layer of the lamp strip 30 of this embodiment is a patch layer, and the patch layer is provided with an assembly position, and the flash lamp 40 is welded to the assembly position. The number of assembly sites therein is preferably 6. The flash 40 is an LED lamp, and can flash in different colors. As a preferred embodiment, the light strip 30 has a width of 2.5mm, a length not much less than 50mm, and the length of the light strip 30 is less than the width of the front housing 10.
Further, the both ends of lamp area 30 still are equipped with the locating hole respectively, are equipped with corresponding reference column on the preceding shell 10, and the locating hole cover is located on the reference column for lamp area 30 is fixed in preceding shell 10 steadily in, prevents to lead to the antenna performance inconsistent because of the nonconformity of the equipment position in lamp area 30. As a preferred embodiment, after the positioning hole is sleeved on the positioning column, the light strip 30 is stably fixed on the positioning column by using a hot melting method.
In order to avoid that other metal devices on the main board 20 affect the performance of the antenna, the light strip 30 and the main board 20 are respectively fixed on two opposite sides of the front shell 10, corresponding through holes are respectively formed in portions of the front shell 10, which are opposite to the first branch end 31 and the second branch end 32, and the first elastic sheet 51 and the second elastic sheet 52 are respectively arranged in the through holes and used for connecting the light strip 30 and the main board 20.
Specifically, in order to tune the performance of each frequency band of the antenna signal, the flash lamp device is further provided with a tuning circuit, and the tuning circuit is connected between the second elastic piece 52 and the grounding point. When the antenna resonates at different frequency bands, the tuning circuit is switched to the corresponding channel to realize matching. As a preferred embodiment, the tuning circuit includes a tuning switch and a matching network, wherein the matching network includes a plurality of matching circuits connected in series to the ground point, a plurality of matching terminals of the tuning switch are electrically connected to the plurality of matching circuits, respectively, and a common terminal of the tuning switch is electrically connected to the second resilient piece 52. The tuning switch is controlled by the baseband chip, and when the antenna resonates at different frequency bands, the tuning switch conducts different matching circuits.
In this embodiment, the first branch end 31 is close to one end of the light strip 30, the second branch end 32 is close to the middle position of the light strip 30, and the third branch end 33 is located between the first branch end 31 and the second branch end 32. The shorter conductive layer on one side of the first branch end 31 is used for the resonance of the high-frequency band signal, the conductive layer between the first branch end 31 and the second branch end 32 is used for the resonance of the middle-frequency band signal, and the longer conductive layer on the other side of the first branch end 31 is used for the resonance of the low-frequency band signal.
The mobile terminal of this embodiment has the flash lamp device with the antenna function, and the mobile terminal includes but is not limited to a smart phone and a tablet computer. The mobile terminal further comprises a display panel 60, the display panel 60 is arranged on the opening of the front shell 10, the lamp strip 30 is located at the bottom end of the front shell 10, and the length direction of the lamp strip 30 is parallel to the bottom end of the front shell 10, so that the lamp strip cannot influence normal display of the mobile terminal. The light strip 30 is located at one side of the display panel 60, and the light strip 30 is close to the touch screen.
The invention discloses a flash lamp device with an antenna function and a mobile terminal.
Although a few embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents, and that such changes and modifications are intended to be within the scope of the invention.
Claims (9)
1. A flash lamp device with an antenna function is characterized by comprising a front shell (10), a mainboard (20) and a lamp strip (30) which are arranged on the front shell (10) at the same time, and a flash lamp (40) arranged on the outer layer of the lamp strip (30), wherein the lamp strip (30) comprises a routing layer and a conducting layer which are mutually insulated, the routing layer is electrically connected with the flash lamp (40), and the routing layer is conducted with the mainboard (20); an antenna feed point and a grounding point are arranged on the main board (20), and the antenna feed point (21) and the grounding point (22) are respectively and electrically connected to different positions of the conductive layer; the lamp strip (30) further comprises a first branch end (31) and a second branch end (32) which are electrically connected to the conductive layer, respectively, the first branch end (31) is electrically connected to the antenna feed point, and the second branch end (32) is electrically connected to the ground point.
2. The flashlight device with antenna function of claim 1 further comprising a first resilient plate (51) and a second resilient plate (52), wherein two ends of the first resilient plate (51) abut against the first branch end (31) and the antenna feed point, respectively, and two ends of the second resilient plate (52) abut against the second branch end (32) and the ground point, respectively.
3. The flashlight device with antenna function of claim 2, wherein a tuning circuit is further disposed on the main board (20), and the tuning circuit is electrically connected between the second elastic piece (52) and the grounding point.
4. The flashlight device with an antenna function of claim 3, wherein the tuning circuit comprises a matching network and a tuning switch, the matching network comprises a plurality of matching circuits connected in series to the grounding point, a plurality of matching terminals of the tuning switch are electrically connected to the plurality of matching circuits, respectively, and a common terminal of the tuning switch is electrically connected to the second resilient piece (52).
5. The flashlight device with an antenna function according to claim 1, wherein positioning holes are formed at two ends of the light strip (30), and positioning posts are disposed on the front housing (10) and inserted into the positioning holes.
6. The flashlight device with antenna function of claim 1 wherein the light strip (30) further comprises a third branch end (33) electrically connected to the wiring layer, the third branch end (33) being electrically connected to the motherboard (20).
7. The strobe device with antenna function according to claim 1, characterized in that the strobe light (40) is an LED lamp.
8. The flashlight device with antenna function according to any one of claims 1 to 7, wherein the light strip (30) is a flexible circuit board.
9. A mobile terminal characterized by comprising a display panel (60) and the flashlight device with antenna function of any one of claims 1-8, said display panel (60) being disposed on an opening of said front housing (10), said light strip (30) being located at a bottom end of said front housing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860472.8A CN107749912B (en) | 2017-09-21 | 2017-09-21 | Flash lamp device with antenna function and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710860472.8A CN107749912B (en) | 2017-09-21 | 2017-09-21 | Flash lamp device with antenna function and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107749912A CN107749912A (en) | 2018-03-02 |
| CN107749912B true CN107749912B (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710860472.8A Active CN107749912B (en) | 2017-09-21 | 2017-09-21 | Flash lamp device with antenna function and mobile terminal |
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| Country | Link |
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| CN (1) | CN107749912B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478021A (en) * | 2020-04-09 | 2020-07-31 | 惠州Tcl移动通信有限公司 | Antenna device and mobile terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728462A (en) * | 2004-02-18 | 2006-02-01 | 泛泰株式会社 | Dual connection device for memory mediums and mobile communication terminals with the same |
| CN203367489U (en) * | 2013-08-20 | 2013-12-25 | 东莞积信制造有限公司 | Omni-directional antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005176302A (en) * | 2003-09-26 | 2005-06-30 | Nec Access Technica Ltd | Antenna assembly of portable terminal, and wireless installation capable of receiving broadcast wave |
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2017
- 2017-09-21 CN CN201710860472.8A patent/CN107749912B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1728462A (en) * | 2004-02-18 | 2006-02-01 | 泛泰株式会社 | Dual connection device for memory mediums and mobile communication terminals with the same |
| CN203367489U (en) * | 2013-08-20 | 2013-12-25 | 东莞积信制造有限公司 | Omni-directional antenna |
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| Publication number | Publication date |
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| CN107749912A (en) | 2018-03-02 |
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Effective date of registration: 20230327 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen Huaxi Investment Co.,Ltd. Address before: 8 / F, TCL communication technology building, F4 building, phase III, TCL International e city, 1001 Zhongshan Park Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: JRD COMMUNICATION (SHENZHEN) Ltd. |