CN202798110U - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN202798110U CN202798110U CN 201220491219 CN201220491219U CN202798110U CN 202798110 U CN202798110 U CN 202798110U CN 201220491219 CN201220491219 CN 201220491219 CN 201220491219 U CN201220491219 U CN 201220491219U CN 202798110 U CN202798110 U CN 202798110U
- Authority
- CN
- China
- Prior art keywords
- power supply
- portable terminal
- direct
- battery
- exchange unit
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a mobile terminal which comprises a battery and a power switching unit electrically connected with the battery. When a direct-current power supply is connected into the mobile terminal, the power switching unit receives a first hard switching signal and is switched to the direct-current power supply to supply electricity to the mobile terminal. When the direct-current power supply is disconnected with the mobile terminal, the power switching unit receives a second hard switching signal and is switched to the battery to supply electricity to the mobile terminal. The power switching unit can switch the power supply for supplying electricity to the mobile terminal according to the connection conditions of the direct-current power supply and the mobile terminal so that the mobile terminal can be started up and used normally by aid of the direct-current power supply when not being provided with the battery.
Description
Technical field
The utility model relates to a kind of portable terminal, a kind of portable terminal that is provided with the electrical source exchange unit of special design.
Background technology
Present portable terminal all be to adopt powered battery, and the effect of external power supply only is to be the battery charging.When battery electric quantity was less, portable terminal can use under charged state, but was the battery that remains of portable terminal power supply.The use of then can't starting shooting when battery electric quantity is considerably less must be carried out could using after the charging of a period of time with charger.The use if lucky dead battery when having emergency to use, portable terminal just can't be started shooting fully, this has just brought many troubles to the user.
The utility model content
The technical problems to be solved in the utility model be for the portable terminal that overcomes prior art in the defective that does not have can't start shooting in the battery powered situation and use, a kind of portable terminal that is provided with the electrical source exchange unit is proposed, by in the situation of external direct current power supply, switching to DC power supply, so that this portable terminal can not have normally use in the situation of battery.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of portable terminal, comprise a battery, its characteristics are, this portable terminal also comprises an electrical source exchange unit, this electrical source exchange unit is electrically connected with this battery, when one direct current power supply accesses this portable terminal, this electrical source exchange unit receives one first direct-cut operation signal and switches to this DC power supply and is this portable terminal power supply, when the connection of this DC power supply and this portable terminal disconnected, this current switching unit received one second direct-cut operation signal and switches to this battery and is this portable terminal power supply.
Those skilled in the art are to be understood that, it is to be produced but not the software generation by hardware that the utility model has only limited this first direct-cut operation signal, but do not limit the concrete producing method of this first direct-cut operation signal, this the first direct-cut operation signal can be that interface of this portable terminal produced with being connected directly of this DC power supply, also can be a level signal or current signal that this DC power supply produces when accessing this portable terminal.Similarly, this second direct-cut operation signal is to disconnect and produce along with the connection of this DC power supply and this portable terminal.
Preferably, this portable terminal also comprises a power supply voltage converting circuit, and this power supply voltage converting circuit is electrically connected with this electrical source exchange unit, and this power supply voltage converting circuit is the rated voltage of this portable terminal with the voltage transitions of this DC power supply.
Those skilled in the art are to be understood that, rated voltage herein refers to the required input voltage of this portable terminal normal operation, this DC power supply of input termination of this power supply voltage converting circuit, output termination this electrical source exchange unit, by voltage transitions so that this portable terminal can under the different various conditions of this DC power supply voltage, all can work.Wherein, the voltage of this DC power supply is greater than the rated voltage of this portable terminal.
Preferably, this portable terminal also comprises a bleeder circuit, this bleeder circuit is electrically connected with this electrical source exchange unit, when this DC power supply accesses this bleeder circuit, this bleeder circuit is exported a high level as this first direct-cut operation signal, when the connection of this bleeder circuit and this DC power supply disconnected, this bleeder circuit was exported a low level as this first direct-cut operation signal.
The utility model does not limit this high level and this low level numerical value, only relative height need to be arranged, and gets final product for this portable terminal power supply thereby make this electrical source exchange unit can switch to according to the height of the level that receives different power supplys.
Preferably, this portable terminal also comprises a power supply selected cell, and this power supply selected cell is electrically connected with this electrical source exchange unit, and controls this electrical source exchange unit.
Access in this DC power supply in the situation of this portable terminal, this power supply selected cell controls this DC power supply of the welcome selection in this electrical source exchange unit or this battery is this portable terminal power supply.
Preferably, this power supply selected cell is a microprocessor.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but combination in any namely get each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is:
Portable terminal of the present utility model can switch the electrical source exchange unit that power supply station uses power supply according to the DC power supply connection by arranging one, can in the situation of access DC power supply, switch to DC power supply, so that portable terminal can not have normally use in the situation of battery, and save battery using in the more convenient situation of DC power supply, prolong the useful life of battery.
Description of drawings
Fig. 1 is the schematic diagram of the portable terminal of embodiment 1 of the present utility model.
Fig. 2 is the schematic diagram of the portable terminal of embodiment 2 of the present utility model.
Fig. 3 is the circuit diagram of the power supply switch circuit of the portable terminal among the embodiment 1 of the present utility model, 2.
Fig. 4 is the circuit diagram of the power supply voltage converting circuit of the portable terminal among the embodiment 2 of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, with the detailed description the technical solution of the utility model, but therefore the utility model is not limited among the described scope of embodiments.
Embodiment 1:
As shown in Figure 1, the portable terminal of present embodiment comprises a battery 4 and an electrical source exchange unit 1, this portable terminal also comprises an electrical source exchange unit 1, this electrical source exchange unit 1 is electrically connected with this battery 4, during one direct current power supply, 5 this portable terminal of access, this electrical source exchange unit 1 receives one first direct-cut operation signal and switches to this DC power supply 5 and is this portable terminal power supply, when the connection of this DC power supply 5 and this portable terminal disconnected, this current switching unit 1 received one second direct-cut operation signal and switches to this battery 4 and is this portable terminal power supply.Those skilled in the art are to be understood that, this the first direct-cut operation signal can have various ways to produce, such as be provided with an access interface at portable terminal, this access interface sends a signal when having external power source to insert, send a signal in the time of also can in detecting circuit electric current being arranged.Similarly, this second direct-cut operation signal is to disconnect and produce along with the connection of this DC power supply 5 and this portable terminal.
This electrical source exchange unit 1 can be power supply switch circuit as shown in Figure 3.As shown in Figure 3, the input of this power supply switch circuit accesses this battery 4 and this DC power supply 5 is used for power supply.Power-control end (power control terminal) in this power supply switch circuit is used for receiving this first direct-cut operation signal or this second direct-cut operation signal, effect through the inverter in this power supply switch circuit, this power supply switch circuit is connected this DC power supply 5 power supplies when receiving this first direct-cut operation signal, connect this battery 4 power supplies when receiving this second direct-cut operation signal.
Embodiment 2:
As shown in Figure 2, the difference of present embodiment and embodiment 1 only is: this portable terminal of present embodiment also comprises a power supply voltage converting circuit 2 and a power supply selected cell 3.
Consider that portable terminal has a load voltage value of determining, DC power supply 5 then has various output voltage.Can use DC power supply 5 power supplies of various outside in order to make this portable terminal, as shown in Figure 2, this portable terminal of embodiment 2 comprises that also one is arranged on the power supply voltage converting circuit 2 between this DC power supply 5 and this electrical source exchange unit 1, and the voltage transitions that this power supply voltage converting circuit 2 is used for this DC power supply 5 is the rated voltage of this portable terminal.Wherein, the voltage of this DC power supply 5 is greater than the rated voltage of this portable terminal.
Wherein, this power supply voltage converting circuit 2 as shown in Figure 4.This portable terminal also comprises a bleeder circuit, in the present embodiment, this bleeder circuit is located in this power supply voltage converting circuit 2, is used for producing a high level at the access voltage at these bleeder circuit two ends greater than zero the time, and the access voltage at these bleeder circuit two ends produces this low level when equalling zero.This high level is this first direct-cut operation signal, and this low level is this second direct-cut operation signal.In conjunction with shown in Figure 3, this bleeder circuit is when having this DC power supply 5 access, and this high level of output is so that this DC power supply loop above among Fig. 3 is connected, and this moment, this portable terminal was by these DC power supply 5 power supplies.This bleeder circuit without DC power supply 5 access the time, this low level of output, this inverter effect in Fig. 3 so that among Fig. 3 this powered battery loop of below connect, this DC power supply loop then disconnects, this moment, this portable terminal was then by these battery 4 power supplies.
This power supply selected cell 3 is used for this electrical source exchange unit 1 of control, in the situation that these DC power supply 5 these portable terminals of access are arranged, these power supply selected cell 3 these these DC power supply 5 of electrical source exchange unit 1 welcome selection of control or this battery 4 are this portable terminal power supply.Preferably, this power supply selected cell 3 can be a microprocessor.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.
Claims (5)
1. portable terminal, comprise a battery, it is characterized in that, this portable terminal also comprises an electrical source exchange unit, this electrical source exchange unit is electrically connected with this battery, and when a direct current power supply accessed this portable terminal, this electrical source exchange unit received one first direct-cut operation signal and switches to this DC power supply and is this portable terminal power supply, when the connection of this DC power supply and this portable terminal disconnected, this current switching unit received one second direct-cut operation signal and switches to this battery and is this portable terminal power supply.
2. portable terminal as claimed in claim 1, it is characterized in that, this portable terminal also comprises a power supply voltage converting circuit, and this power supply voltage converting circuit is electrically connected with this electrical source exchange unit, and this power supply voltage converting circuit is the rated voltage of this portable terminal with the voltage transitions of this DC power supply.
3. portable terminal as claimed in claim 2, it is characterized in that, this portable terminal also comprises a bleeder circuit, this bleeder circuit is electrically connected with this electrical source exchange unit, when this DC power supply accesses this bleeder circuit, this bleeder circuit is exported a high level as this first direct-cut operation signal, and when the connection of this bleeder circuit and this DC power supply disconnected, this bleeder circuit was exported a low level as this first direct-cut operation signal.
4. portable terminal as claimed in claim 1 is characterized in that, this portable terminal also comprises a power supply selected cell, and this power supply selected cell is electrically connected with this electrical source exchange unit, and controls this electrical source exchange unit.
5. portable terminal as claimed in claim 4 is characterized in that, this power supply selected cell is a microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220491219 CN202798110U (en) | 2012-09-24 | 2012-09-24 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220491219 CN202798110U (en) | 2012-09-24 | 2012-09-24 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798110U true CN202798110U (en) | 2013-03-13 |
Family
ID=47825284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220491219 Expired - Fee Related CN202798110U (en) | 2012-09-24 | 2012-09-24 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202798110U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842948A (en) * | 2012-09-24 | 2012-12-26 | 上海华勤通讯技术有限公司 | Mobile terminal |
| CN110531136A (en) * | 2018-05-23 | 2019-12-03 | 中芯国际集成电路制造(上海)有限公司 | The test circuit and test method of standard block leakage current |
| CN113030560A (en) * | 2019-12-24 | 2021-06-25 | 深圳市万普拉斯科技有限公司 | Mobile terminal, test instrument and test system |
| CN113224834A (en) * | 2021-05-28 | 2021-08-06 | 河北工业大学 | Main/standby power supply switching circuit for AUV (autonomous Underwater vehicle) |
-
2012
- 2012-09-24 CN CN 201220491219 patent/CN202798110U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842948A (en) * | 2012-09-24 | 2012-12-26 | 上海华勤通讯技术有限公司 | Mobile terminal |
| CN110531136A (en) * | 2018-05-23 | 2019-12-03 | 中芯国际集成电路制造(上海)有限公司 | The test circuit and test method of standard block leakage current |
| CN110531136B (en) * | 2018-05-23 | 2021-11-12 | 中芯国际集成电路制造(上海)有限公司 | Test circuit and test method for standard unit leakage current |
| CN113030560A (en) * | 2019-12-24 | 2021-06-25 | 深圳市万普拉斯科技有限公司 | Mobile terminal, test instrument and test system |
| CN113224834A (en) * | 2021-05-28 | 2021-08-06 | 河北工业大学 | Main/standby power supply switching circuit for AUV (autonomous Underwater vehicle) |
| CN113224834B (en) * | 2021-05-28 | 2024-04-09 | 河北工业大学 | Main and standby power supply switching circuit for AUV |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202798110U (en) | Mobile terminal | |
| CN103066687A (en) | Uninterrupted power supply (UPS) solar charged inverter | |
| CN102957169A (en) | Uninterruptible power supply system with improved conversion efficiency of power supply | |
| CN104333111A (en) | DC uninterruptible power system and device thereof | |
| CN203434637U (en) | Energy storage system | |
| CN101699749A (en) | Off-grid small-sized solar power plant system and control method thereof | |
| CN201995066U (en) | Standby power system and television applying same | |
| CN205070589U (en) | Multi -functional ACDC converting means | |
| CN205051933U (en) | LED's drive power supply | |
| CN103683435A (en) | Voltage stabilizing frequency stabilizing uninterruptible power supply (UPS) and intelligent charging integrated method for mobile power supply | |
| CN201717658U (en) | Power supply circuit of mobile phone | |
| CN103023135A (en) | Multi-level direct current transformation power supply device | |
| CN203014427U (en) | Battery set connection control device capable of realizing series-parallel switching | |
| CN202872443U (en) | Fuel-cell-based communication power supply | |
| CN102938570B (en) | Power supply system and power supply method | |
| CN202094683U (en) | Charging cabinet | |
| CN102842948B (en) | Mobile terminal | |
| CN201616699U (en) | Charger | |
| CN201918750U (en) | Electricity-saving management device of power transmission line online monitoring terminal equipment | |
| CN102148524B (en) | Charger | |
| CN203839971U (en) | Energy saving apparatus realizing motion energy recuperation and power generation | |
| CN204145006U (en) | The distribution system of mobile digital photographic equipment | |
| CN203674776U (en) | Novel solar energy lithium battery uninterrupted power source | |
| CN207426794U (en) | Novel power transmission line monitoring equipment energy-storage system | |
| CN202856424U (en) | System with photovoltaic cell directly powering direct current circuit of electric appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170924 |