CN107706984B - Mobile terminal and charging device thereof - Google Patents
Mobile terminal and charging device thereof Download PDFInfo
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- CN107706984B CN107706984B CN201711047035.0A CN201711047035A CN107706984B CN 107706984 B CN107706984 B CN 107706984B CN 201711047035 A CN201711047035 A CN 201711047035A CN 107706984 B CN107706984 B CN 107706984B
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- 239000010410 layer Substances 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011229 interlayer Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- H02J7/0027—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention is suitable for the technical field of mobile terminals, and provides a charging device of a mobile terminal and the mobile terminal. The charging device comprises a universal serial bus connecting seat, a small plate, a main plate, a charging circuit, a first plate-to-plate connector, a second plate-to-plate connector, a flexible circuit board and a conductive piece. This embodiment realizes the electric connection of the charging line of platelet and mainboard through electrically conductive. After the USB plug is inserted into the universal serial bus connecting seat, the signal is directly connected with the conductive piece through the small plate, the signal is conducted to the mainboard through the conductive piece and then is conveyed to the corresponding charging circuit, and the battery is charged after the signal is processed. In the process, two BTB connecting seats and one FPC can be saved, and meanwhile, the installation cost is saved; in addition, the transmission path of the loop is shortened, the loss can be reduced, the working efficiency of the whole machine is improved, the power consumption of the whole machine is reduced, the temperature rise of the product is controlled, and the quality of the product is effectively improved.
Description
Technical Field
The invention belongs to the technical field of mobile terminals, and particularly relates to a charging device of a mobile terminal and the mobile terminal.
Background
In the current mobile terminal, its charging device's Universal Serial Bus (USB) connecting seat is installed on the platelet, can insert the USB plug on the USB socket when charging, transmit the electric current through the platelet to the Board-to-Board (BTB) connector of platelet and Flexible Circuit Board (Flexible Printed Circuit, FPC), the electric current transmits to FPC, FPC's the other end passes through the BTB connector of FPC and mainboard and supplies power for the mainboard, the mainboard passes through the Circuit on it and inputs the electric current into charging Circuit, the electric current after the processing charges for the battery through BTB connector and FPC, accomplish the process of charging. In the process, a small plate is required to bear the USB socket, the two BTB connectors and the FPC transmit the charging current on the small plate to the main board, and the main board charges the battery through the two BTB connectors and the FPC.
In the process, the small plate, the four BTB connectors and the four FPC transmission lines are arranged, the material and installation cost is high, the transmission path of a loop is increased, the loss is large, the working efficiency of the whole machine is low, the power consumption of the whole machine is large, the temperature rise is serious, and the product quality of the mobile terminal is affected.
Disclosure of Invention
Embodiments of the present invention provide a charging device for a mobile terminal and a mobile terminal, so that the number of BTB connectors and FPCs can be reduced, and the loop of a charging circuit can be shortened.
The embodiment provides a charging device of a mobile terminal, which comprises a universal serial bus connecting seat, a small plate, a main plate, a charging circuit, a first plate-to-plate connector, a second plate-to-plate connector and a flexible circuit board; the universal serial bus connecting seat is installed on the small plate, the main board is electrically connected with one end of the flexible circuit board through the first board-to-board connector, and the other end of the flexible circuit board is electrically connected with a battery of the mobile terminal through the second board-to-board connector; the charging device further comprises a conductive member,
the conductive piece is provided with a positive electrode circuit and a negative electrode circuit; the small plate is provided with a positive wire and a negative wire, one end of the positive wire is electrically connected with the positive terminal of the universal serial bus connecting seat through the positive wire on the small plate, and the other end of the positive wire is electrically connected with the charging circuit; one end of the negative electrode circuit is electrically connected with a negative electrode terminal of the universal serial bus connecting seat through a negative electrode wire on the small plate, and the other end of the negative electrode circuit is electrically connected with the charging circuit; the main board is also provided with a positive wiring and a negative wiring, and the charging circuit is electrically connected with the first board-to-board connector through the positive wiring and the negative wiring on the main board.
Further, the conductive piece comprises a positive conductive tube and a negative conductive tube, the positive conductive tube and the negative conductive tube are arranged side by side and are insulated from each other through a gap, and the positive circuit and the negative circuit are respectively arranged on the positive conductive tube and the negative conductive tube.
Furthermore, the conductive piece comprises a positive conductive layer, a negative conductive layer and an insulating interlayer, the insulating interlayer is arranged between the positive conductive layer and the negative conductive layer, and the positive circuit and the negative circuit are respectively arranged on the positive conductive layer and the negative conductive layer.
Furthermore, a positioning hole or a positioning groove is formed in the small plate, and one end of the conductive piece is embedded in the positioning hole or the positioning groove of the small plate.
Furthermore, a positioning hole or a positioning groove is formed in the main board, and the other end of the conductive piece is embedded in the positioning hole or the positioning groove of the main board.
Furthermore, a conducting layer is arranged on the inner wall of the positioning hole or the positioning groove of the mainboard, and the conducting layer is electrically connected with the conducting piece and the charging circuit.
Further, the conducting layer on the inner wall of the positioning hole or the positioning groove of the main board comprises an anode copper sheet and a cathode copper sheet, an anode circuit on the conductive piece is electrically connected with the anode of the charging circuit through the anode copper sheet, and a cathode circuit on the conductive piece is electrically connected with the cathode of the charging circuit through the cathode copper sheet.
Further, the platelet is close to be fixed with first buckle on the side of mainboard, first buckle with electrically conductive joint.
Further, the mainboard is close to be fixed with the second buckle on the side of platelet, the second buckle with electrically conductive joint.
In order to solve the above technical problems, embodiments of the present invention further provide a mobile terminal, which includes a rechargeable battery, and the mobile terminal further includes the above charging device.
Compared with the prior art, the embodiment has the advantages that: the charging device of the mobile terminal of the embodiment realizes the electrical connection between the small plate and the charging circuit of the main board through the conductive piece. After the USB plug is inserted into the universal serial bus connecting seat, the signal is directly connected with the conductive piece through the small plate, the signal is transmitted to the mainboard through the conductive piece and then transmitted to the corresponding charging circuit, and the battery is charged after the signal is processed. In the process, two BTB connecting seats and one FPC can be saved, and meanwhile, the installation cost is saved; in addition, the transmission path of the loop is shortened, the loss can be reduced, the working efficiency of the whole machine is improved, the power consumption of the whole machine is reduced, the temperature rise of the product is controlled, and the quality of the product is effectively improved.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of a charging device of a mobile terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a charging device of a mobile terminal according to a second embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly 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.
The first embodiment is as follows:
referring to fig. 1, a charging device for a mobile terminal according to an embodiment of the present invention includes a usb connector socket 1, a small board 2, a main board 3, a charging circuit 4, a first board-to-board connector 5, a second board-to-board connector 6, a flexible circuit board 7, and a conductive member 8.
The universal serial bus connection seat 1 is installed on the edge area of the small plate 2, the small plate 2 is provided with the positive electrode wiring 21 and the negative electrode wiring 22, and in practical application, the positive electrode wiring 21 and the negative electrode wiring 22 can be copper sheets paved on the surface of the small plate 2 or copper sheets embedded inside the small plate 2. The conductive piece 8 is provided with a positive electrode circuit and a negative electrode circuit, one end of the positive electrode circuit is electrically connected with the positive electrode terminal 11 of the universal serial bus connecting seat 1 through a positive electrode wire 21 on the small plate 2, and the other end of the positive electrode circuit is electrically connected with the charging circuit 4. One end of the negative electrode circuit is electrically connected with the negative electrode terminal 12 of the universal serial bus connecting seat 1 through a negative electrode wire on the small plate 2, and the other end of the negative electrode circuit is electrically connected with the charging circuit 4. In this embodiment, the conductive member 8 includes two separated positive conductive tubes 81 and negative conductive tubes 82, the positive conductive tubes 81 and the negative conductive tubes 82 are arranged side by side and are insulated from each other by a gap, the positive lines and the negative lines are respectively arranged on the positive conductive tubes 81 and the negative conductive tubes 82, or the whole positive conductive tube 81 is used as the positive line, and the whole negative conductive tube 82 is used as the negative line.
The charging circuit 4 is disposed on the motherboard 3, the motherboard 3 is also provided with an anode wire 31 and a cathode wire 32, and the charging circuit 4 is electrically connected to the anode terminal and the cathode terminal of the first board-to-board connector 5 through the anode wire 31 and the cathode wire 32 on the motherboard 3. The first board-to-board connector 5 is electrically connected to one end of the flexible circuit board 7, and the other end of the flexible circuit board 7 is electrically connected to the battery 9 of the mobile terminal through the second board-to-board connector 6.
Specifically, the small plate 2 is provided with a positioning hole or a positioning groove therein, in this embodiment, the small plate 2 is provided with two through holes penetrating through two opposite side surfaces of the small plate, and one end portions of the positive conductive tube 81 and the negative conductive tube 82 are respectively inserted into the two through holes.
The positioning hole or the positioning groove is also formed inside the motherboard 3, in this embodiment, two positioning grooves are formed in the bottom of the motherboard 3 corresponding to the position right below the charging circuit 4, and the other end portions of the positive conductive tube 81 and the negative conductive tube 82 are respectively embedded in the two positioning grooves. In order to facilitate the connection between the conductive member 8 and the circuit inside the motherboard 3, a conductive layer is disposed on the inner wall of the positioning groove of the motherboard 3, and the conductive layer is electrically connected to the conductive member 8 and the charging circuit 4.
In practical application, the conductive layer is a copper sheet covering the inner wall of the positioning groove. Specifically, the conductive layer includes an anode copper sheet and a cathode copper sheet, an anode line on the conductive member 8 is electrically connected to the anode of the charging circuit 4 through the anode copper sheet, and a cathode line on the conductive member 8 is electrically connected to the cathode of the charging circuit 4 through the cathode copper sheet.
In order to fix the positive conductive tube 81 and the negative conductive tube 82, the two are prevented from moving relative to the small plate 2, the small plate 2 is close to two first buckles 10 are fixed on one side surface of the main board 3, and the two first buckles 10 are respectively connected with the positive conductive tube 81 and the negative conductive tube 82 in a clamping manner. Similarly, mainboard 3 is fixed with two second buckles 20 on being close to platelet 2's a side, two second buckles 20 with 8 joint of leading electrical component.
In addition, referring to fig. 2, the present embodiment further provides a mobile terminal 100, where the mobile terminal 100 includes a rechargeable battery and the charging device. The mobile terminal 100 of the embodiment is not limited to specific electronic products, and may be a mobile terminal with a rechargeable battery, such as a mobile phone and a tablet computer.
The present embodiment realizes the electrical connection of the charging circuit of the small board 2 and the main board 3 through the conductive piece 8. After the USB plug is inserted into the universal serial bus connecting seat 1, the signal is directly connected with the conductive piece 8 through the small plate 2, the signal is transmitted to the mainboard 3 through the conductive piece 8 and is connected to the corresponding charging circuit 4, and the battery 9 is charged after the processing. In the process, two BTB connecting seats and one FPC can be saved, and meanwhile, the installation cost is saved; in addition, the transmission path of the loop is reduced, the loss can be reduced, the working efficiency of the whole machine is improved, the power consumption of the whole machine is reduced, the temperature rise of the product is controlled, and the quality of the product is effectively improved.
Example two:
referring to fig. 2, a charging device of a mobile terminal according to a second embodiment of the present invention is different from the first embodiment in that a conductor 8 of the present embodiment is integrated, instead of two separate conductive tubes. The conductive member 8 of the present embodiment includes a positive conductive layer 81, a negative conductive layer 82, and an insulating interlayer 83, where the insulating interlayer 83 is disposed between the positive conductive layer 81 and the negative conductive layer 82 for insulating the positive conductive layer 81 and the negative conductive layer 82. The positive electrode circuit and the negative electrode circuit are respectively disposed on the positive electrode conductive layer 81 and the negative electrode conductive layer 82. Because the conductor 8 is a component, the conductor can be arranged only by arranging a positioning hole or a positioning groove on the small plate 2 and the main plate 3 respectively.
This embodiment realizes the electric connection of platelet 2 and the charging circuit of mainboard 3 through electrically conductive piece. After the USB plug is inserted into the universal serial bus connecting seat 1, the signal is directly connected with the conductive piece 8 through the small plate 2, the signal is transmitted to the mainboard 3 through the conductive piece 8 and is connected to the corresponding charging circuit 4, and the battery 9 is charged after the processing. In the process, two BTB connecting seats and one FPC can be saved, and meanwhile, the installation cost is saved; in addition, the transmission path of the loop is reduced, the loss can be reduced, the working efficiency of the whole machine is improved, the power consumption of the whole machine is reduced, the temperature rise of the product is controlled, and the quality of the product is effectively improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A charging device of a mobile terminal comprises a universal serial bus connecting seat, a small plate, a main plate, a charging circuit, a first plate-to-plate connector, a second plate-to-plate connector and a flexible circuit board; the universal serial bus connecting seat is installed on the small plate, the main board is electrically connected with one end of the flexible circuit board through the first board-to-board connector, and the other end of the flexible circuit board is electrically connected with a battery of the mobile terminal through the second board-to-board connector; it is characterized in that the charging device also comprises a conductive piece,
the conductive piece is provided with a positive electrode circuit and a negative electrode circuit; the small plate is provided with a positive wire and a negative wire, one end of the positive wire is electrically connected with the positive terminal of the universal serial bus connecting seat through the positive wire on the small plate, and the other end of the positive wire is electrically connected with the charging circuit; one end of the negative electrode circuit is electrically connected with a negative electrode terminal of the universal serial bus connecting seat through a negative electrode wire on the small plate, and the other end of the negative electrode circuit is electrically connected with the charging circuit; the main board is also provided with a positive wire and a negative wire, and the charging circuit is electrically connected with the first board-to-board connector through the positive wire and the negative wire on the main board;
a positioning hole or a positioning groove is formed in the mainboard, and one end of the conductive piece is embedded in the positioning hole or the positioning groove of the mainboard;
a conductive layer is arranged on the inner wall of the positioning hole or the positioning groove of the mainboard and is electrically connected with the conductive piece and the charging circuit at the same time;
the conductive piece comprises a positive conductive tube and a negative conductive tube, the positive conductive tube and the negative conductive tube are arranged side by side and are insulated from each other through a gap, and the positive circuit and the negative circuit are respectively arranged on the positive conductive tube and the negative conductive tube.
2. The charging device as claimed in claim 1, wherein the conductive member includes a positive conductive layer, a negative conductive layer, and an insulating interlayer disposed between the positive conductive layer and the negative conductive layer, and the positive line and the negative line are disposed on the positive conductive layer and the negative conductive layer, respectively.
3. The charging device as claimed in any one of claims 1 to 2, wherein the small plate has a positioning hole or a positioning groove therein, and the other end of the conductive member is embedded in the positioning hole or the positioning groove of the small plate.
4. The charging device as claimed in claim 1, wherein the conductive layer on the inner wall of the positioning hole or the positioning groove of the main board comprises a positive copper sheet and a negative copper sheet, the positive line on the conductive member is electrically connected to the positive electrode of the charging circuit through the positive copper sheet, and the negative line on the conductive member is electrically connected to the negative electrode of the charging circuit through the negative copper sheet.
5. The charging device as claimed in claim 3, wherein a first clip is fixed on a side of the small board close to the main board, and the first clip is clipped with the conductive member.
6. The charging device of claim 1, wherein a second buckle is fixed on a side surface of the main board close to the small board, and the second buckle is clamped with the conductive member.
7. A mobile terminal comprising a rechargeable battery, characterized in that the mobile terminal further comprises a charging device according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047035.0A CN107706984B (en) | 2017-10-31 | 2017-10-31 | Mobile terminal and charging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711047035.0A CN107706984B (en) | 2017-10-31 | 2017-10-31 | Mobile terminal and charging device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107706984A CN107706984A (en) | 2018-02-16 |
| CN107706984B true CN107706984B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711047035.0A Expired - Fee Related CN107706984B (en) | 2017-10-31 | 2017-10-31 | Mobile terminal and charging device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107706984B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365771Y (en) * | 1999-01-15 | 2000-02-23 | 富士康(昆山)电脑接插件有限公司 | Electric coupling device |
| CN106025127A (en) * | 2016-05-30 | 2016-10-12 | 广州视源电子科技股份有限公司 | Mobile power supply device |
| CN106160097A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
| CN106160099A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
| CN106160096A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6224617B2 (en) * | 2012-11-28 | 2017-11-01 | シャープ株式会社 | Structure |
| CN106026305B (en) * | 2016-07-28 | 2019-05-24 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN206559727U (en) * | 2016-12-20 | 2017-10-13 | 广州视源电子科技股份有限公司 | Circuit board |
| CN106684998A (en) * | 2017-01-10 | 2017-05-17 | 奇酷互联网络科技（深圳）有限公司 | Power supply wire winding structure and electronic product thereof |
-
2017
- 2017-10-31 CN CN201711047035.0A patent/CN107706984B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365771Y (en) * | 1999-01-15 | 2000-02-23 | 富士康(昆山)电脑接插件有限公司 | Electric coupling device |
| CN106025127A (en) * | 2016-05-30 | 2016-10-12 | 广州视源电子科技股份有限公司 | Mobile power supply device |
| CN106160097A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
| CN106160099A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
| CN106160096A (en) * | 2016-07-28 | 2016-11-23 | 广东欧珀移动通信有限公司 | Mobile terminal and charging device thereof |
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| CN107706984A (en) | 2018-02-16 |
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| CB02 | Change of applicant information |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |
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