CN104967170A - Power bank - Google Patents
Power bank Download PDFInfo
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- CN104967170A CN104967170A CN201510392067.9A CN201510392067A CN104967170A CN 104967170 A CN104967170 A CN 104967170A CN 201510392067 A CN201510392067 A CN 201510392067A CN 104967170 A CN104967170 A CN 104967170A
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- Prior art keywords
- power source
- portable power
- attribute
- circuit
- discharge
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a power bank including a battery, and further including a first interface, a first monitoring circuit, a second monitoring circuit, and a control circuit. The first interface is electrically connected with an external device, the first monitoring circuit is electrically connected with the first interface, monitors the charging and discharge properties of the external device and outputs the properties, the second monitoring circuit is electrically connected with the battery, monitors the current electric quantity of the battery and outputs the electric quantity, and the control circuit is electrically connected with the first monitoring circuit and the second monitoring circuit, and controls whether the power transmission should be carried out between the power bank and the external device based on the charging and discharge properties and the current electric quantity of the battery. In the power bank, the first interface can serve as an input interface or an output interface, so that the equipment utilization rate is improved.
Description
Technical field
The present invention relates to power technique fields, particularly relate to a kind of portable power source.
Background technology
Portable power source, as the energy supply equipment of electronic equipment, is widely used with its portable advantage.Its interface function of traditional portable power source is comparatively single, is unfavorable for the utilance of raising equipment.
Summary of the invention
Based on this, be necessary for the problems referred to above, the portable power source that a kind of utilization rate of equipment and installations is higher is provided.
A kind of portable power source, comprises battery, also comprises: first interface, for being electrically connected with external equipment; First observation circuit, is electrically connected with described first interface, for monitoring the discharge and recharge attribute of described external equipment and exporting; Second observation circuit, is electrically connected with described battery, for monitoring the current electric quantity of described battery and exporting; Control circuit, is electrically connected with described first observation circuit, described second observation circuit respectively, controls whether between described portable power source and described external equipment, carry out electric power transfer for the current electric quantity according to described discharge and recharge attribute and described battery.
Wherein in an embodiment, described discharge and recharge attribute comprises charging attribute and electric discharge attribute; Described control circuit controls described portable power source when the discharge and recharge attribute of described external equipment is charging attribute and the current electric quantity of described battery is greater than minimum discharge electricity amount and enters discharge mode, is charged to described external equipment by described portable power source; Described control circuit controls described portable power source when the discharge and recharge attribute of described external equipment is electric discharge attribute and the current electric quantity of described battery is less than maximum charge electricity and enters charge mode, is charged to described portable power source by described external equipment.
Wherein in an embodiment, described control circuit is also for switching to corresponding discharge and recharge attribute when the described portable power source of control enters charge mode or discharge mode by described portable power source.
Wherein in an embodiment, also comprise voltage conversion circuit, be electrically connected with described control circuit, described battery respectively; Described first observation circuit is also for monitoring the supply power voltage of described external equipment; Described control circuit, also for when described portable power source is discharge mode, generates electric discharge instruction according to described supply power voltage; Described voltage conversion circuit is used for the backward described external equipment charging of supply power voltage according to described electric discharge instruction, the output voltage of described battery being converted to described external equipment.
Wherein in an embodiment, described control circuit, also for when described portable power source is charge mode, generates charging instruction according to described supply power voltage; Described voltage conversion circuit is also for being converted to the backward described portable power source charging of charging voltage of described battery by the supply power voltage that described external equipment exports according to described charging instruction.
Wherein in an embodiment, whether described control circuit also normally works for monitoring described first observation circuit, and controls described voltage conversion circuit when described first observation circuit does not normally work and quit work.
Wherein in an embodiment, also comprise: output interface, for being that the charge mobile electronic device of attribute is electrically connected with discharge and recharge attribute; 3rd observation circuit, is electrically connected with described output interface, for monitoring the supply power voltage of the mobile electronic device accessing described output interface; Described control circuit also for according to described 3rd monitoring circuit monitors to supply power voltage generate electric discharge instruction export to described voltage conversion circuit.
Wherein in an embodiment, described output interface is 5V voltage output interface.
Wherein in an embodiment, described first interface is USB C type interface.
Wherein in an embodiment, also comprise protective circuit, be electrically connected with described battery, for carrying out overcurrent, overvoltage, short circuit to described battery, overcharging and Cross prevention.
In above-mentioned portable power source, first interface can be that the charge external equipment of attribute or the attribute that discharges is connected with discharge and recharge attribute.The discharge and recharge attribute of the first observation circuit to the external equipment of access is monitored, thus make control circuit can determine whether to carry out electric power transfer between portable power source and access device according to the current electric quantity of the discharge and recharge attribute monitored and battery, namely whether undertaken discharging or being charged to portable power source by the external equipment accessed by portable power source external device.In above-mentioned portable power source, first interface both also as output interface, can improve the utilance of equipment as input interface.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the portable power source in an embodiment;
Fig. 2 is the theory diagram of the portable power source in another embodiment;
Fig. 3 is the circuit theory diagrams of the voltage conversion circuit of portable power source in a specific embodiment;
Fig. 4 be embodiment illustrated in fig. 3 in the circuit theory diagrams of control circuit of portable power source;
Fig. 5 be embodiment illustrated in fig. 3 in the circuit theory diagrams of protective circuit of portable power source.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the theory diagram of the portable power source in an embodiment, and it comprises battery 110, first interface 120, first observation circuit 130, second observation circuit 140, control circuit 150 and voltage conversion circuit 160.
Battery 110 carries out energy storage as energy-storage units.Battery 110 also can be able to be the lithium battery group formed by multiple lithium battery for single lithium battery.
First interface 120 is for being connected with external equipment.External equipment can be electronic equipment to be charged also can be powering device.The discharge and recharge attribute of electronic equipment (as mobile phone, flat board, digital camera etc.) to be charged is charging attribute, and the discharge and recharge attribute of powering device (as power supply adaptor etc.) is electric discharge attribute.Therefore, first interface 120 both can also can as output interface as input interface, thus can meet user's not demand in the same time, improve the utilance of equipment.In the present embodiment, first interface 120 is USB C type interface.
First observation circuit 130 is connected with first interface 120, for monitoring the discharge and recharge attribute of the external equipment be linked on first interface 120 and exporting its attribute.Such as, when the equipment accessed is electronic equipment to be charged, the first observation circuit 130 reads its charging attribute and exports to control circuit 150 after shaking hands with it.In the present embodiment, the first observation circuit 130 is also monitored for the supply power voltage of the external equipment to access.The supply voltage that the supply power voltage of external equipment can provide to portable power source for external equipment, the supply voltage that also portable power source can be needed to provide to it for external equipment.
Second observation circuit 140 is connected with battery 110, for Real-Time Monitoring battery 110 current electric quantity and current electric quantity is exported.Monitored by the electricity of the second observation circuit 140 pairs of batteries 110, thus can effectively avoid battery 110 to occur overcharging, crossing the problem of putting.
Control circuit 150 is connected with the first observation circuit 130, second observation circuit 140 respectively.The current electric quantity of the battery 110 that control circuit 150 exports for the discharge and recharge attribute and the second observation circuit 140 receiving the first observation circuit 130 output.Control circuit 150 can control whether between portable power source and external equipment, carry out electric power transfer according to the current electric quantity of the discharge and recharge attribute received and battery 110.Concrete, when the discharge and recharge attribute of external equipment is charging attribute and the current electric quantity of battery 110 is greater than minimum discharge electricity amount, control circuit 150 controls portable power source and enters discharge mode, is charged to external equipment by portable power source.When the discharge and recharge attribute of external equipment is charging attribute and the current electric quantity of battery 110 is less than or equal to minimum discharge electricity amount, control circuit 150 can refuse the electric power transfer request of external equipment, namely controls not carry out electric power transfer between portable power source and external equipment.When the discharge and recharge attribute of external equipment is electric discharge attribute and the current electric quantity of battery 110 is less than maximum charge electricity, control circuit 150 controls portable power source and enters charge mode, is charged to portable power source by external equipment.When the discharge and recharge attribute of external equipment is electric discharge attribute and the current electric quantity of battery 110 is more than or equal to maximum charge electricity, control circuit 150 can refuse the electric power transfer request of external equipment, namely controls not carry out electric power transfer between portable power source and external equipment.
The discharge and recharge attribute of himself, when controlling portable power source and entering discharge mode, can be switched to electric discharge attribute by control circuit 150.The supply power voltage of the external equipment that control circuit 150 can monitor according to the first observation circuit 130 generates electric discharge instruction and exports to voltage conversion circuit 160.Voltage conversion circuit 160 is changed according to the voltage of this electric discharge instruction to battery 110, and is exported to the external equipment of access by first interface 120 after being converted to the supply power voltage of external equipment demand.In the present embodiment, the voltage transitions of battery 110 can be become the one in 5V, 12V and 20V tri-kinds of voltages by voltage conversion circuit 160 according to the demand of external equipment, the multivoltage realizing first interface 120 exports, thus meet the demand of the external equipment of different power voltage, further increase the utilance of equipment.
Control circuit 150 is when controlling portable power source and entering charge mode, the discharge and recharge attribute of himself can be switched to charging attribute, the supply power voltage of the external equipment that control circuit 150 can monitor according to the first observation circuit 130 generates charging instruction and exports to voltage conversion circuit 160.Voltage conversion circuit 160 is changed the supply power voltage that external equipment exports according to this charging instruction, and charges to after being converted to the charging voltage that battery 110 can accept battery 110.In the present embodiment, voltage conversion circuit 160 charges to battery 110 after can converting the multiple voltage that external equipment exports the charging voltage of battery 110 to, realize the multivoltage input of first interface 120, thus the energy device of different power voltage can be utilized to charge to portable power source, improve the convenience of portable power source use procedure.
Whether control circuit 150 also normally works for monitoring the first observation circuit 130, and control voltage conversion circuit 160 quits work when the first observation circuit 130 cisco unity malfunction, namely turn off the input and output of portable power source, thus guarantee the use safety of portable power source.
In above-mentioned portable power source, first interface 120 can be that the charge external equipment of attribute or the attribute that discharges is connected with discharge and recharge attribute.The discharge and recharge attribute of the first observation circuit 130 to the external equipment of access is monitored, thus make control circuit 150 can determine whether to carry out electric power transfer between portable power source and access device according to the current electric quantity of the discharge and recharge attribute monitored and battery, namely whether undertaken discharging or being charged to portable power source by the external equipment accessed by portable power source external device.In above-mentioned portable power source, first interface 120 both also as output interface, can improve the utilance of equipment as input interface.First interface 120 in portable power source can support multivoltage to input and multivoltage exports, thus make its can for dissimilar power electronic equipment or by dissimilar powering device to himself charging, thus improve the universality of equipment, the user demand of user can be met to greatest extent, improve the convenience in use procedure.
Fig. 2 is the portable power source in another embodiment; it comprises battery 202, first interface 204, first observation circuit 206, second observation circuit 208, control circuit 210 and voltage conversion circuit 212, also comprises output interface 214, the 3rd observation circuit 216, protective circuit 218 and display circuit 220.Wherein, in battery 202, first interface 204, first observation circuit 206, second observation circuit 208, control circuit 210 and voltage conversion circuit 212 in the aforementioned embodiment the part of by the agency of do not repeat herein.
Output interface 214 is for being that the charge mobile electronic device of attribute is connected with discharge and recharge attribute, and namely output interface 214 is only as output interface.In the present embodiment, output interface 214 is USB A type interface or USB Type B interface, and it exports the electric current for 5V/1A or 5V/2A.Output interface 214 is multiple, thus can charge for multiple mobile electronic device simultaneously.
3rd observation circuit 216 is connected with output interface 214, for monitoring the supply power voltage of the mobile electronic device that output interface 214 accesses and exporting to control circuit 210.Control circuit 210 can generate electric discharge instruction according to the supply power voltage of its input and export to voltage conversion circuit 212.The voltage of voltage conversion circuit 212 pairs of batteries 202 is charged by the mobile electronic device of output interface 214 to access after changing.
Protective circuit 218 is connected with battery 202, for carrying out overcurrent, overvoltage, short circuit to battery 202, overcharge and Cross prevention.Display circuit 220 is connected with control circuit 210, for showing the mode of operation of portable power source and information about power, thus is convenient to the concrete condition that user grasps portable power source in time.In the present embodiment, control circuit 210 is shown by display circuit 220 after also carrying out forecast assessment according to current charging and discharging state to residue charging interval or socking out time, carries out reference for user.Display circuit 220 can carry out the display of corresponding information by the bright state of multiple LED, also can be compared by LED display or LCD display and show intuitively.
Fig. 3 is the circuit theory diagrams of the voltage conversion circuit of portable power source in a specific embodiment; Fig. 4 be embodiment illustrated in fig. 3 in the circuit theory diagrams of control circuit of portable power source; Fig. 5 be embodiment illustrated in fig. 3 in the circuit theory diagrams of protective circuit of portable power source.In the present embodiment, USB 1 interface is USB C type interface, and USB2 is then 5V voltage output interface (USB A type interface or USB Type B interface).U1 and U5 is voltage conversion chip, for realizing the conversion of voltage.U2 is control chip, for controlling the whole course of work of portable power source.In the present embodiment, display circuit emitting ledly to form by 4, when one emitting led bright time represent that electricity is between 25% ~ 0%; When two emitting led bright time represent that electricity is between 50% ~ 25%; When three emitting led bright time represent that electricity is between 75% ~ 50%; When four emitting led bright then expression electricity are entirely between 100% ~ 75%.U4 is protect IC.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a portable power source, comprises battery, it is characterized in that, also comprises:
First interface, for being electrically connected with external equipment;
First observation circuit, is electrically connected with described first interface, for monitoring the discharge and recharge attribute of described external equipment and exporting;
Second observation circuit, is electrically connected with described battery, for monitoring the current electric quantity of described battery and exporting;
Control circuit, is electrically connected with described first observation circuit, described second observation circuit respectively, controls whether between described portable power source and described external equipment, carry out electric power transfer for the current electric quantity according to described discharge and recharge attribute and described battery.
2. portable power source according to claim 1, is characterized in that, described discharge and recharge attribute comprises charging attribute and electric discharge attribute;
Described control circuit controls described portable power source when the discharge and recharge attribute of described external equipment is charging attribute and the current electric quantity of described battery is greater than minimum discharge electricity amount and enters discharge mode, is charged to described external equipment by described portable power source;
Described control circuit controls described portable power source when the discharge and recharge attribute of described external equipment is electric discharge attribute and the current electric quantity of described battery is less than maximum charge electricity and enters charge mode, is charged to described portable power source by described external equipment.
3. portable power source according to claim 2, is characterized in that, described control circuit is also for switching to corresponding discharge and recharge attribute when the described portable power source of control enters charge mode or discharge mode by described portable power source.
4. portable power source according to claim 2, is characterized in that, also comprises voltage conversion circuit, is electrically connected respectively with described control circuit, described battery;
Described first observation circuit is also for monitoring the supply power voltage of described external equipment;
Described control circuit, also for when described portable power source is discharge mode, generates electric discharge instruction according to described supply power voltage; Described voltage conversion circuit is used for the backward described external equipment charging of supply power voltage according to described electric discharge instruction, the output voltage of described battery being converted to described external equipment.
5. portable power source according to claim 4, is characterized in that, described control circuit, also for when described portable power source is charge mode, generates charging instruction according to described supply power voltage;
Described voltage conversion circuit is also for being converted to the backward described portable power source charging of charging voltage of described battery by the supply power voltage that described external equipment exports according to described charging instruction.
6. portable power source according to claim 5, is characterized in that, whether described control circuit also normally works for monitoring described first observation circuit, and controls described voltage conversion circuit when described first observation circuit does not normally work and quit work.
7. portable power source according to claim 5, is characterized in that, also comprises:
Output interface, for being that the charge mobile electronic device of attribute is electrically connected with discharge and recharge attribute;
3rd observation circuit, is electrically connected with described output interface, for monitoring the supply power voltage of the mobile electronic device accessing described output interface;
Described control circuit also for according to described 3rd monitoring circuit monitors to supply power voltage generate electric discharge instruction export to described voltage conversion circuit.
8. portable power source according to claim 7, is characterized in that, described output interface is 5V voltage output interface.
9. portable power source according to claim 1, is characterized in that, described first interface is USB C type interface.
10. portable power source according to claim 1, is characterized in that, also comprises protective circuit, is electrically connected with described battery, for carrying out overcurrent, overvoltage, short circuit to described battery, overcharging and Cross prevention.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392067.9A CN104967170B (en) | 2015-07-03 | 2015-07-03 | Mobile power |
| PCT/CN2015/088645 WO2017004875A1 (en) | 2015-07-03 | 2015-08-31 | Mobile power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392067.9A CN104967170B (en) | 2015-07-03 | 2015-07-03 | Mobile power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104967170A true CN104967170A (en) | 2015-10-07 |
| CN104967170B CN104967170B (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510392067.9A Active CN104967170B (en) | 2015-07-03 | 2015-07-03 | Mobile power |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104967170B (en) |
| WO (1) | WO2017004875A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067317A (en) * | 2018-09-28 | 2018-12-21 | 北京汉能光伏投资有限公司 | Mobile power source and its control method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311446A (en) * | 2019-07-23 | 2019-10-08 | 南京九度卫星科技研究院有限公司 | A kind of mobile power source sending position functions with Beidou positioning and short message |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017004875A1 (en) | 2017-01-12 |
| CN104967170B (en) | 2018-06-19 |
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