CN201893592U - Mobile terminal capable of realizing self-charging - Google Patents
Mobile terminal capable of realizing self-charging Download PDFInfo
- Publication number
- CN201893592U CN201893592U CN2010206219768U CN201020621976U CN201893592U CN 201893592 U CN201893592 U CN 201893592U CN 2010206219768 U CN2010206219768 U CN 2010206219768U CN 201020621976 U CN201020621976 U CN 201020621976U CN 201893592 U CN201893592 U CN 201893592U
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- charging
- circuit
- portable terminal
- battery
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- 239000002184 metal Substances 0.000 claims abstract description 18
- 239000004065 semiconductor Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000087 stabilizing Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
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Abstract
The utility model discloses a mobile terminal capable of realizing self-charging, which comprises a shell, a main board, a micro-processing controller, a radiofrequency module, a battery, a power management unit, a charging module and metal pins. The charging module is arranged on the main board and connected with a circuit of the battery and comprises a rectifying unit, a voltage stabilizing unit and a charging circuit which are successively connected via circuits. The metal pins are used for being connected with an external power source and are retractably arranged on the main board, two through holes are disposed on the shell, and the positions of the through holes correspond to those of the metal pins. The mobile terminal can realize self-charging, does not need external equipment such as a charger or a data line and the like, and can be charged at places with power jacks, users do not need to carry chargers when going out for business, traveling and the like, thereby reducing luggage and saving space.
Description
Technical field
The utility model relates to the telecommunications field, relates in particular to a kind of portable terminal that can charge voluntarily.
Background technology
Portable terminal is as the requisite articles for daily use of modern, and travelling, going on business all needs to carry.Yet portable terminal of the prior art all is not provided with charging device, when needing charging, must charge by portable terminal charger or data wire.People are when going out, particularly the tourism, when going on business, when carrying portable terminal, must carry this portable terminal charger or data wire, in order to avoid when battery of mobile terminal exhausts, can't charge, so just caused very big inconvenience to the user, not only luggage increases and takes up room, also easily charger or data wire are lost, caused unnecessary trouble.
Summary of the invention
The purpose of this utility model is a kind of need not by extraneous auxiliary equipment such as charger or data wires, the portable terminal that can charge voluntarily.
The portable terminal that can charge voluntarily provided by the utility model comprises housing, mainboard, microprocessor controller, radio-frequency module, battery (7) and Power Management Unit; Further comprising one is located on the mainboard and the charging module that is connected with described battery (7) circuit.Described charging module comprises rectification unit, voltage regulation unit and the charging circuit of circuit connection successively.The utility model further comprises a pair of metal pin (1) that is used to connect external power source, described metal pin (1) is telescopic to be arranged on the described mainboard, described housing is provided with two through hole, and the position of the position of described through hole and described metal pin (1) adapts.
Portable terminal provided by the utility model can be realized charging voluntarily, need not by external equipments such as charger or data wires, as long as the place of supply hub is arranged, just can charge.This portable terminal is provided with telescopic metal pin, needs the rechargeable supply hub of being convenient to insert, and does not need rechargeable this metal pin can be hidden in the housing of this portable terminal, the both convenient outward appearance that does not also influence portable terminal of using.The user reduces luggage going on business, during outdoor activity such as tourism, need not to carry charger again, saves the space.
Description of drawings
The mobile terminal circuit structural representation that Fig. 1 can charge voluntarily for the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model further is described.
As shown in Figure 1, a kind of portable terminal that can charge voluntarily comprises housing, mainboard, microprocessor controller, radio-frequency module, battery 7 and Power Management Unit; It is characterized in that: also comprise and be located on the mainboard and the charging module that is connected with described battery 7 circuit.The output voltage of described charging module is than the high 0.7-0.9V of rated voltage of described battery.Connect external ac power source by this charging module, need not to use charger or data wire, can realize charging described battery 7.Described charging module comprises rectification unit, voltage regulation unit and the charging circuit of circuit connection successively.It will be understood by those skilled in the art that described rectification unit is used for the output AC electricity that external power source is defeated and is transformed to the suitable direct current that described battery 7 is charged.Described voltage regulation unit is used for to described charging control circuit output burning voltage; Described charging circuit is used for described battery 7 is charged and charging process is controlled.
As shown in Figure 1, a kind of portable terminal that can charge voluntarily comprises housing, mainboard, microprocessor controller, radio-frequency module, battery 7 and Power Management Unit 5; It is characterized in that: also comprise and be located on the mainboard and the charging module that is connected with described battery 7 circuit.The output voltage of described charging module is than the high 0.7-0.9V of rated voltage of described battery 7.Connect external ac power source by this charging module, need not to use charger or data wire, can realize charging described battery 7.Described charging module comprises rectification unit, voltage regulation unit and the charging circuit of circuit connection successively.It will be understood by those skilled in the art that described rectification unit is used for the output AC electricity that external power source is defeated and is transformed to the suitable direct current that described battery 7 is charged.Described voltage regulation unit is used for to described charging control circuit output burning voltage; Described charging circuit is used for described battery 7 is charged and charging process is controlled.
The portable terminal that can charge voluntarily that present embodiment provided, also comprise a pair of metal pin 1 that is used to connect external power source, described metal pin 1 telescopic being arranged on the described mainboard, described housing is provided with two through hole, and the position of the position of described through hole and described metal pin 1 adapts.Like this, when the user need charge,, just can be inserted in the jack of external power source, realize that described charging module is connected with the circuit of external power source as long as described metal pin 1 is stretched out from described through hole; After charging finishes, described metal pin 1 can be regained and is hidden in the described housing, do not influence the attractive in appearance of described portable terminal, also can not cause the use inconvenience of this portable terminal.
As shown in Figure 1, described rectification unit comprises diode rectifier bridge D1 and the DC transfer circuit 2 that circuit connects, and the input of described diode rectifier bridge D1 is connected with described metal pin 1; The output of described diode rectifier bridge D1 is connected with the input of described DC transfer circuit 2; The output of described DC transfer circuit 2 is connected with the input of described voltage regulation unit.It will be understood by those skilled in the art that to be used for the direct rectification of alternating current 220V civil power be the 310V direct voltage to described diode rectifier bridge D1 and export to described DC transfer circuit 2; Described DC transfer circuit 2 is made up of switching tube, pulse transformer and second rectifier diode, is used to export 12V voltage and gives described voltage regulation unit.
As shown in Figure 1, described voltage regulation unit comprises the one-level pressurizer 3 and the secondary pressurizer 4 of series connection; The input of described one-level pressurizer 3 is connected with the output of described DC transfer circuit 2; The output of described secondary pressurizer 4 is connected with described Power Management Unit 5 and described charging circuit respectively, is respectively applied for to described charging circuit output charging voltage and the output voltage that is used for 5 pairs of described secondary pressurizers 4 of described Power Management Unit to detect.
As shown in Figure 1, described charging circuit comprises metal-oxide-semiconductor T1, the 3rd diode D2 and resistance R 1, and the output of described secondary pressurizer 4 is connected with the source circuit of described Power Management Unit 5 and described metal-oxide-semiconductor T1 respectively; Described the 3rd diode D2, resistance R 1 are connected and other end ground connection with the drain electrode of described metal-oxide-semiconductor T1 with described battery 7 series connection backs one end; Described Power Management Unit 5 is provided with charging control port and charging detection port, and described charging control port is connected with the grid circuit of described metal-oxide-semiconductor T1, is used to export charging control signal; Described charging detection port is connected to the two ends of described resistance R 1, is used to detect the size of charging voltage and the size of battery 7 voltages; The big I of described charging current is calculated acquisition according to the voltage difference at described resistance R 1 two ends and the resistance value of resistance R 1.It will be understood by those skilled in the art that charging process finished by 5 controls of described Power Management Unit.Described Power Management Unit 5 is determined the needed charge mode of this portable terminal according to the voltage swing at its detected battery 7 two ends, thereby export break-make and conducting degree that corresponding charging control signal is regulated described metal-oxide-semiconductor T1, thereby the size of control charging start-stop and charging current.
Claims (7)
1. the portable terminal that can charge voluntarily comprises housing, mainboard, microprocessor controller, radio-frequency module, battery (7) and Power Management Unit; It is characterized in that: also comprise and be located on the mainboard and the charging module that is connected with described battery (7) circuit.
2. the portable terminal that can charge voluntarily as claimed in claim 1 is characterized in that: described charging module comprises rectification unit, voltage regulation unit and the charging circuit of circuit connection successively.
3. the portable terminal that can charge voluntarily as claimed in claim 2, it is characterized in that: also comprise a pair of metal pin (1) that is used to connect external power source, described metal pin (1) is telescopic to be arranged on the described mainboard, described housing is provided with two through hole, and the position of the position of described through hole and described metal pin (1) adapts.
4. the portable terminal that can charge voluntarily as claimed in claim 3, it is characterized in that: described rectification unit comprises diode rectifier bridge (D1) and the DC transfer circuit (2) that circuit connects, and the input of described diode rectifier bridge (D1) is connected with described metal pin (1); The output of described diode rectifier bridge (D1) is connected with the input of described DC transfer circuit (2); The output of described DC transfer circuit (2) is connected with the input of described voltage regulation unit.
5. the portable terminal that can charge voluntarily as claimed in claim 4 is characterized in that: described voltage regulation unit comprises the one-level pressurizer (3) and the secondary pressurizer (4) of series connection; The input of described one-level pressurizer (3) is connected with the output of described DC transfer circuit (2); The output of described secondary pressurizer (4) is connected with described Power Management Unit and described charging circuit respectively.
6. the portable terminal that can charge voluntarily as claimed in claim 5, it is characterized in that: described charging circuit comprises metal-oxide-semiconductor (T1), the 3rd diode (D2) and resistance (R1), and the output of described secondary pressurizer is connected with the source circuit of described Power Management Unit and described metal-oxide-semiconductor (T1) respectively; Described the 3rd diode (D2), resistance (R1) are connected and other end ground connection with the drain electrode of described metal-oxide-semiconductor (T1) with described battery (7) series connection back one end; Described Power Management Unit is provided with charging control port and charging detection port, and described charging control port is connected with the grid circuit of described metal-oxide-semiconductor (T1), and described charging detection port is connected to the two ends of described resistance (R1).
7. the portable terminal that can charge voluntarily as claimed in claim 1 is characterized in that: the output voltage of described charging module than the rated voltage high 0.7 of described battery (7) to 0.9V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206219768U CN201893592U (en) | 2010-11-24 | 2010-11-24 | Mobile terminal capable of realizing self-charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206219768U CN201893592U (en) | 2010-11-24 | 2010-11-24 | Mobile terminal capable of realizing self-charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893592U true CN201893592U (en) | 2011-07-06 |
Family
ID=44223061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206219768U Expired - Lifetime CN201893592U (en) | 2010-11-24 | 2010-11-24 | Mobile terminal capable of realizing self-charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346597A (en) * | 2013-06-25 | 2013-10-09 | 华为技术有限公司 | Charging device |
| CN105530339A (en) * | 2015-12-01 | 2016-04-27 | 华勤通讯技术有限公司 | Mobile terminal and forced shutdown circuit thereof |
-
2010
- 2010-11-24 CN CN2010206219768U patent/CN201893592U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346597A (en) * | 2013-06-25 | 2013-10-09 | 华为技术有限公司 | Charging device |
| CN103346597B (en) * | 2013-06-25 | 2015-10-21 | 华为技术有限公司 | Charging device |
| US9331514B2 (en) | 2013-06-25 | 2016-05-03 | Huawei Technologies Co., Ltd. | Charging apparatus |
| CN105530339A (en) * | 2015-12-01 | 2016-04-27 | 华勤通讯技术有限公司 | Mobile terminal and forced shutdown circuit thereof |
| CN105530339B (en) * | 2015-12-01 | 2018-09-04 | 华勤通讯技术有限公司 | A kind of mobile terminal and its circuit for forced shutdown |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |
|
| CX01 | Expiry of patent term |