CN105656118A - Device supporting automatic switch of power-consumption/power-supply modes and equipment comprising device - Google Patents
Device supporting automatic switch of power-consumption/power-supply modes and equipment comprising device Download PDFInfo
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- CN105656118A CN105656118A CN201610046897.0A CN201610046897A CN105656118A CN 105656118 A CN105656118 A CN 105656118A CN 201610046897 A CN201610046897 A CN 201610046897A CN 105656118 A CN105656118 A CN 105656118A
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- module
- interface unit
- power supply
- load
- external interface
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
Abstract
The invention discloses a device supporting automatic switch of power-consumption/power-supply modes and equipment comprising the device. The device comprises an interface module, a judgment module and an energy module, wherein the interface module is used for connecting with a charger or a load and receiving electric energy from the charger or outputting electric energy to the load; the judgment module is used for judging whether the interface module is connected with the charger or the load, and controlling the switching of the interface module between the power consumption mode and the power supply mode according to a judgment result; and the energy module is connected to the interface module and is used for managing the electric energy received by the interface module or supplying the electric energy to the interface module so as to output to the load. The device and equipment disclosed by the invention have the advantages that by establishment of a mechanism of carrying out single-side judgment on the basis of electric parameters, the automatic setting of the power consumption state or the power supply state for the equipment can be ensured under the condition that power consumption and power supply share one physical interface, so that the complexity degree of an interface is reduced, and the dependency of the equipment on software and hardware environments and unnecessary electric-energy consumption are reduced.
Description
Technical field
The present invention relates to electricity consumption and power supply technique, specifically, it is a kind of device being supported between electricity consumption and powering mode automatically switching, and includes the equipment of this kind of device.
Background technology
Currently, taking mobile phone, panel computer, intelligent watch, motion bracelet, portable computer, electric vehicle, electric ship, digital camera, Digital Video, without the terminating unit carrying battery in a large number as representative such as man-machine and other Electric aircraft, popularize rapidly the every field in human consumer lives, and present the trend of fast growth. Therefore charging becomes the daily operation that must carry out of human consumer and application, simultaneously under this use scenes of charging, various problems has also occurred. Such as, equipment needs to be charged sometimes, and sometimes needs as power-supply unit, for other equipment is powered; Meanwhile, owing to the volume size of equipment can directly have influence on the quality of equipment, energy consumption and by the acceptance level of human consumer, therefore the charging of equipment and power supply interface are unified, become very real demand. Such as mobile phone, by its USB interface, sometimes needs to carry out charging operations, and sometimes needs outward current and voltage, drives external equipment; It is inner that the power supply interface that such as electromobile is current again is all arranged on its compartment, and for mobile unit is powered, and its charging inlet is positioned at outside compartment, so that using charging pile to charge. And by the unification of charging and power supply interface, then can complete electric vehicle to vehicle, the direct charging outside compartment. Same use scenes can also be used for " air refuelling " without electric power time man-machine, thus greatly improves without man-machine voyage and efficiency of operation.
In prior art, the model selection of charging and discharging is depended on data corresponding, and supported data communicates necessary hardware environment. The MACBook computer that such as Apple produces, have employed the design of charging and discharging interface unification with USBType-C interface. In its use scenes, if computer is in off-mode, its USB interface can only carry out the charging to computer, cannot externally power. And it is in running status at computer, then its USB interface is used in the BatteryCharge1.2 of USB organization prescribed and the PowerDelivery agreement of follow-up version thereof, communicate with the equipment of access, namely carry out judging access device type with communicating by detecting the input and output of D+ with D-, thus select charging or power supply. For this scene of charging, in order to judge this should completing of task of externally powering at Millisecond, it is necessary to start-up simulation machine also brings extra power consumption and the waste of energy consumption and time.
The BatteryCharge1.2 of similar USB organization prescribed and the PowerDelivery agreement etc. as its follow-up version, all based on carrying out this basic demand that communicates between electrical equipment and power-supply unit. Therefore also need independent communication PHY interface, namely remove outside power transmission physical interface, in addition it is also necessary to extra communication interface, this is also at the complexity virtually adding interface and the hardware spending not needed.
Summary of the invention
The technical problem to be solved in the present invention is to provide one and does not rely on communication, and the device directly electricity consumption or the power supply state of equipment being judged and switching, and include the equipment of this kind of device. It is thus possible under the prerequisite not relying on communication between devices, carry out the mode decision of electricity consumption and power supply, and electricity consumption or power supply are controlled automatically.
In order to solve the problems of the technologies described above, the present invention provides a kind of device that electricity consumption/powering mode switches automatically of supporting, comprising:
Interface module, for connecting charger or load, receives electric energy from described charger or exports electric energy to described load;
Judge module, it is charger or load for what judge that described interface module connects, and controls described interface module according to judged result and switching with between power mode and powering mode;
Energy module, is connected to described interface module, for managing the electric energy that described interface module receives, or provides electric energy to export to described load for described interface module to described interface module.
Further, described interface module comprises external interface unit and internal interface unit, wherein:
Described external interface unit at least comprises positive terminal and negative terminal, to be connected with described charger or load;
Described internal interface unit is electrically connected with described external interface unit and is couple to described judgement module, for the judged result according to described judgement module, is switching with between power mode and powering mode.
Further, being connected with acquisition module between described judgement module and described external interface unit, what the electric parameter in the described external interface unit that described judgement module collects according to described acquisition module judged that described external interface unit connects is charger or load.
Further, described acquisition module comprises the load detecting unit on the positive terminal and/or negative terminal that are connected to described external interface unit, by the electric current that detects on described positive terminal and/or negative terminal to judge whether described external interface unit has accessed load.
Further, described load detecting unit comprises triode, and the base stage of described triode is connected to the negative terminal of described external interface unit by the first resistance, the grounded emitter of described triode, and collector electrode connects described judgement module.
Further, described acquisition module comprises electric current and voltage collecting unit, and described electric parameter comprises the voltage on described external interface unit terminal and/or electric current.
Further, described electric current and voltage collecting unit comprises:
2nd resistance, one end of described 2nd resistance connects described judgement module, also connecting the positive terminal of described external interface unit or negative terminal and judgement module, the other end is connected in series ground connection after the first switch, and described first switch is connected under the control of described internal interface unit or turns off; Or
Galvanometer, described galvanometer is connected to positive terminal and the negative terminal of described external interface unit.
Further, the lead-in wire of the positive terminal of described external interface unit being serially connected with diode, the negative electrode of described diode connects described positive terminal, and the two ends of described diode are connected to described judgement module by voltage acquisition module respectively; Described diode side is connected in parallel to the 2nd switch, and described 2nd switch is connected under the control of described internal interface unit or turns off.
Further, the positive terminal of described external interface unit is connected with power circuit and feed circuit by the 3rd switch, and described power circuit and feed circuit connect described energy module respectively; Described 3rd switch is connected power circuit under the control of described internal interface unit or is connected feed circuit or all disconnects with both.
Present invention also offers a kind of equipment including the device that above-mentioned support electricity consumption/powering mode switches automatically.
The device that the support electricity consumption/powering mode of the present invention switches automatically, by setting up based on the mechanism that electric parameter carries out single side and judges, can guarantee under the scene that electricity consumption and power supply share same physical interface, the electricity consumption of automatic set device or power supply state, need not by communication protocol, thus reduce the complexity of interface and equipment to the dependence of hardware environment and unnecessary power consumption, the thickness of the equipment using this device, volume and weight can be reduced further simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the device that the support electricity consumption/powering mode of the present invention switches automatically.
Fig. 2 is the schematic circuit that the device that the support electricity consumption/powering mode of the present invention switches automatically adopts the embodiment of USBType-C interface.
Fig. 3 is the schematic circuit diagram of the mobile power supply embodiment that have employed the interface of USBType-C shown in Fig. 2.
Fig. 4 is the schematic circuit of the apparatus interconnection of the device that two support electricity consumption/powering modes possessing the present invention switch automatically.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described so that the technician of this area the present invention may be better understood and can be implemented, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, the device that the support electricity consumption/powering mode of the present invention switches automatically, comprising:
Interface module, for connecting charger or load, receives electric energy from described charger or exports electric energy to described load;
Judge module, it is charger or load for what judge that described interface module connects, and controls described interface module according to judged result and switching with between power mode and powering mode;
Energy module, is connected to described interface module, for managing the electric energy that described interface module receives, or provides electric energy to export to described load for described interface module to described interface module.
Wherein, described power mode comprises the situation such as charging and direct use electric energy in rechargeable cell. The management of the electric energy that described interface module receives is comprised by energy module: by power storage in rechargeable cell; Or electric energy is directly supplied to equipment use; Or part electric energy is supplied to equipment use, the power storage of another part is medium at rechargeable cell.
Wherein, described interface module comprises external interface unit and internal interface unit, and external interface unit at least comprises positive terminal and negative terminal, to be connected with described charger or load. Internal interface unit is electrically connected with described external interface unit and is couple to described judgement module, for the judged result according to described judgement module, is switching with between power mode and powering mode.
Judging to be connected with acquisition module between module and described external interface unit, what the electric parameter in the described external interface unit that described judgement module collects according to described acquisition module judged that described external interface unit connects is charger or load.
Once the equipment that automatically switches of the support electricity consumption/powering mode with the present invention by with other equipment connection, acquisition module is by the electric parameter of real-time Gather and input, and it includes but not limited to voltage, electric current, discharge and recharge interval and discharge and recharge frequency etc.; And the electric parameter of internal interface unit. The electric parameter collected is committed to judgement module by acquisition module, carries out the judgement of electricity consumption or power supply state.
Judge that the electric parameter of the internal interface unit that module is submitted to by comparison acquisition module and the electric parameter of external interface unit carry out judging and selecting, and the result selected is notified the interface of internal interface unit and external interface unit. If the result selected is employing electricity condition, then notify internal interface unit docking electricity consumption module, notify that external interface unit docks the power supply module of other equipment simultaneously, and connect internal interface unit and external interface unit; If the result selected adopts power supply state, then notify internal interface unit docking power supply module, and connect internal interface unit and external interface unit; If neither electricity consumption is not also powered, then according to the setting of system, can select to wait connection state, by any one in electricity condition, power supply state, in this state, both can select internal interface unit and external interface unit open circuit, it is also possible to the two is connected. Wherein, described electricity condition comprises charging state and uses the state of electric energy, and described charging state refers to the state carrying out to this equipment charging by other equipment; Described power supply state refers to the state providing electric energy by this equipment to other equipment; Described power supply module refers to the module of the electric parameter such as outside outward current, voltage, discharge and recharge interval and discharge and recharge frequency, and described electricity consumption module refers to and receives received current, voltage, discharge and recharge interval and discharge and recharge frequency etc., it may also be useful to the module of electric energy.
Automatically after the equipment switched when the support electricity consumption/powering mode with the present invention and other equipment disconnect, the device of the present invention can wait connection state according to default selection, by any one in electricity condition, power supply state, after equipment is connected to system again, then repeat the process of above collection-judgement-connection.
At the equipment having the support electricity consumption/powering mode of the present invention automatically to switch and other equipment between being connected to disconnect, acquisition module can the electric parameter attribute of monitor in real time internal interface unit and external interface unit, and its arrive preset some condition time or in real time collection result is committed to judgement module, by judging that contingent switching is carried out decision-making and control by module. Such as can will switch to power supply state with electricity condition or wait connection state; Or power supply state is switched to electricity condition or waits connection state.
As shown in Figure 2, being an embodiment of the device that the support electricity consumption/powering mode of the present invention switches automatically, in the present embodiment, what external interface unit adopted is USBType-C interface. It should be noted that, USBType-C interface, except having VBUS terminal and GND terminal, also has DM terminal and DP terminal. Wherein, DM terminal and DP terminal are used for transmitting data when needs data corresponding, the present invention carrying out electricity consumption, powering mode is when automatically switching, it is not necessary to this two terminals, and only use VBUS terminal wherein and GND terminal.
In the present embodiment, acquisition module comprises the load detecting unit on the GND terminal being connected to USBType-C interface, by the electric current that detects on described GND terminal to judge whether described USBType-C interface has accessed load. Specifically, described load detecting unit comprises triode Q4, and the base stage of described triode Q4 is connected to the GND terminal of described USBType-C interface by the first resistance R1, the grounded emitter of described triode Q4, and collector electrode connects described judgement module. In other embodiments, load detecting unit can also be realized the detection whether having load to access by the electric current on the VBUS terminal detecting USBType-C interface. With reason, load detecting unit can also be realized the detection whether having load to access by the electric current detected between the VBUS terminal of USBType-C interface and GND.
Described acquisition module comprises electric current and voltage collecting unit, and described electric parameter comprises the voltage on described external interface unit terminal and/or electric current. Specifically, the collecting unit of electric current and voltage described in the present embodiment comprises the 2nd resistance R2, one end of described 2nd resistance R2 connects the GND terminal of USBType-C interface respectively and judges module, the other end is connected in series the rear ground connection of the first switch S 1, and described first switch S 1 is connected under the control of described internal interface unit or turns off. Described 2nd resistance R2 can also be connected to the positive terminal of external interface unit, is also the VBUS terminal of USBType-C interface. In addition, electric current and voltage collecting unit can also adopt galvanometer to realize, on the VBUS terminal that galvanometer is connected respectively to USBType-C interface and GND terminal.
In addition, being serially connected with diode D1 on the lead-in wire of the VBUS terminal of USBType-C interface, the negative electrode of described diode D1 connects described VBUS terminal, and the two ends of described diode D1 are connected to described judgement module by voltage acquisition module respectively; Described diode D1 side also and is connected to the 2nd switch S 2, and described 2nd switch S 2 is connected under the control of described internal interface unit or turns off.
Preferably, the VBUS terminal of described USBType-C interface is connected with power circuit and feed circuit by the 3rd switch, described power circuit and feed circuit connect described energy module respectively, and described 3rd switch S 3 is connected power circuit under the control of described internal interface unit or is connected feed circuit or all disconnects with both.
As shown in Figure 3, to have the mobile power supply of Fig. 2 shown device, its principle of work is described further below. In the mobile power supply shown in Fig. 3, having and only have a USBType-C interface, this moves on-chip power rechargeable cell, and its charging circuit forms power circuit of the present invention. This moves power supply and can realize when USBType-C interface connecting charger, and systems axiol-ogy is power-supply unit to the device type connected, and inside circuit is switched to battery charger, is charged by mobile power supply. When USBType-C interface connects electrical equipment, systems axiol-ogy is load to the device type connected, and inside circuit is switched to battery feed circuit, for load provides power supply to export. Wherein, described power-supply unit refers to the equipment outwards carrying out the electric parameter such as output voltage and electric current, and typical power-supply unit is such as charger, mobile power supply, AC/DC transmodulator etc.; Described load also claims electrical equipment, refers to and accepts received current, voltage, discharge and recharge interval and discharge and recharge frequency etc., it may also be useful to the equipment of electric energy or storage of electrical energy.
In the present embodiment, external interface unit is responsible for by the electric parameter of power-supply unit and electrical equipment to acquisition module, and according to judging the instruction of module, connects corresponding power-supply unit or electrical equipment to internal interface unit. Internal interface unit is responsible for by the electric parameter of power module and electricity consumption module to acquisition module, and according to judging the instruction of module, connection corresponding power supply module or electricity consumption module are to external interface unit. The charging and discharging state of system includes but not limited to: wait connection state, with electricity condition, power supply state. Needs according to use scenes, system when not having linking device, can select the combination state by default of any a kind of state or several state.
Shown in Figure 3, when mobile power supply is not when connecting other equipment, mobile power supply is selected to be in wait connection state. Now, the GND terminal of USBType-C interface is unsettled, no current on first resistance R1, the base stage of triode Q4 is in lower level, therefore it is off state between its collector electrode and emtting electrode, under this state, by judging that the collector electrode of module to triode Q4 exports a high level, but owing to being disconnect between the collector electrode of triode Q4 and emtting electrode, electric energy therefore can't be consumed. Meanwhile, the first switch S 1 and the 2nd beginning S2 are placed in trip condition by internal interface unit, and the connection of the 3rd switch S 3 with charging circuit and feed circuit are all disconnected. Now acquisition module detects that the electric current flowing through the 2nd resistance R2 is retain load detecting voltage on the VBUS terminal of 0, USBType-C interface.
By the electric current of the state and the 2nd resistance R2 that gather triode Q4, acquisition module judges that the type of linking device is charger or load.
After USBType-C interface connection mobile phone or panel computer etc. are as the equipment of load, the GND terminal of USBType-C interface is connected with load equipment, first resistance R1 there is electric current to produce, after triode Q4 amplifies, conducting between the collector and emitter of triode Q4, collector electrode is pulled down to lower level from high level; Now, electric current and voltage collecting unit can't detect effective charging voltage on the negative electrode pin 2 of diode D1, and what judge module thus judge access is load. Internal interface unit according to judging the judged result of module the first switch S 1 is connected, and the 3rd switch S 3 is connected with feed circuit, the electric energy of rechargeable cell is after feed circuit boost, and by USBType-C interface supply load equipment, mobile power supply switches to power supply state from wait connection state.
Owing to the resistance of the 2nd resistance R2 is much smaller than the resistance of the first resistance R1, therefore, after the first switch S 1 is connected, the electric current on the first resistance R1 is minimum, the collector electrode of triode Q4 and the separated of emtting electrode, collector electrode recovers to wait the detection of equipment access next time for high level.
In the process that load is powered, electric current and voltage collecting unit gathers voltage and the electric current of the 2nd resistance R2 in real time, when load is by charging complete, or after disconnecting with the connection of load, measure voltage & current unit inspection is 0 to the electric current of the 2nd resistance R2, now judge that the first switch S 1 is placed in trip condition by internal interface unit by module, disconnecting by internal interface unit by connection between the 3rd switch S 3 and feed circuit, mobile power supply switch back wait connection state by power supply state simultaneously.
When the USBType-C interface connecting charger of mobile power supply, electric current and voltage collecting unit collects effective charging voltage on the negative electrode pin 2 of diode D1, and what judge module thus judge access is charger. Internal interface unit according to judging the judged result of module the first switch S 1 and the 2nd switch S 2 are connected, and the 3rd switch S 3 is connected with charging circuit, thus the electric energy that charger provides is input to rechargeable cell through charging circuit and stores, mobile power supply switches to charging state from wait connection state.
In the process that mobile power supply is charged by charger, electric current and voltage collecting unit gathers voltage and the electric current of the 2nd resistance R2 in real time, work as charging complete, or with the disconnecting of charger after, measure voltage & current unit inspection is 0 to the electric current of the 2nd resistance R2, now judge that the first switch S 1 and the 2nd switch S 2 are placed in trip condition by internal interface unit by module, disconnecting by internal interface unit by connection between the 3rd switch S 3 and charging circuit, mobile power supply switch back wait connection state by charging state simultaneously.
In the present embodiment, the first switch S 1, the 2nd switch S 2 and the 3rd switch S 3 are all parts for internal interface unit, according to judging that the judged result of module carries out control break-make. In the present invention, select charging circuit or feed circuit except can being selected by switch as above, it is also possible to the working order different by Switching power managing chip completes. In addition, judge that concrete structure those skilled in the art of the circuit of module and internal interface unit can draw according to the enlightenment design of specification sheets of the present invention, such as can by realizing with gating circuit, non-gating circuit etc., it is also possible to realize by integrated circuit (IC) chip.
The present invention is when implementing, and no matter this equipment is powered for other equipment as power-supply unit or charges, or this equipment is this equipment charge from other equipment reception electric energy, all can select electricity consumption/powering mode according to use scenes. Described electricity consumption/powering mode includes but not limited to electricity consumption/service voltage, electricity consumption/power supply electric current, electricity consumption/power-on time, electricity consumption/power supply interval etc.
When the equipment of the device that two support electricity consumption/powering modes all having installed the present invention switch automatically is interconnected, which can manually select be power-supply unit by user, which is electrical equipment, can judging which is power-supply unit by comparing the voltage of VBUS, which is electrical equipment. For convenience of explanation, as shown in Figure 4, it is described for two mobile power supplys, and moves power supply and the 2nd with first when needed and move power supply and distinguish two mobile power supplys. But the present invention is not as limit, the first equipment and the 2nd equipment can be all mobile phone, mobile power supply, charger, charging pile, panel computer, intelligent watch, motion bracelet, portable computer, electric vehicle, electric ship, digital camera, Digital Video, without man-machine and other Electric aircraft etc.
Scheme one: be all set to the default conditions (not connecting the state of any equipment on interface) of two mobile power supplys wait connection state. Waiting under connection state, the first switch in two mobile power supplys, the 2nd switch and the 3rd switch are all disconnection states. After two mobile power supplys are interconnected, all can not generation current on first resistance of two mobile power supplys, the electric current and voltage collecting unit of two equipment also all can't detect effective charging voltage on the negative electrode pin of diode simultaneously, and therefore two equipment all can not do exit pattern switching action.
Which this scheme selects move power supply as power-supply unit by user, and which moves power supply as electrical equipment. Such as, when user select by first move power supply move Power supply to the 2nd time, can move first and power supply carries out an operation, such as, press first and move on power supply a button (can be electric power detection button, it is also possible to be other button or independent button etc.). This operation connects feed circuit for the 3rd switch S 31 moved first in power supply, and now, first moves and have effective charging voltage to export on the VBUS terminal of the USBType-C interface of power supply, and first moves power supply switches to power supply state from wait connection state.
Move due to first power supply USBType-C interface VBUS terminal on have effective charging voltage to export, this charging voltage arrives the 2nd negative electrode moving the diode D12 of power supply through the VBUS terminal of the 2nd USBType-C interface moving power supply, and the stop by diode D12 cannot continue forward, now the 2nd electric current and voltage collecting unit moving power supply can collect effective charging voltage on the negative electrode pin 2 of diode D12, and the 2nd judgement module moving power supply judges that the other side is charger. 2nd internal interface unit moving power supply according to judging the judged result of module the first switch S 12 and the 2nd switch S 22 are connected, and the 3rd switch S 32 is connected with charging circuit, thus the electric energy moving power supply by first and providing is input to rechargeable cell through charging circuit and stores, 2nd moves power supply switches to charging state from wait connection state, becomes the load that first moves power supply. Now, first moves and has electric current to produce on the first resistance R11 of power supply, after triode Q41 amplifies, and conducting between the collector and emitter of triode Q41, collector electrode is pulled down to lower level from high level, and first moves the judgement module of power supply thus judge to have accessed load. First internal interface unit moving power supply according to judging the judged result of module the first switch S 11 is connected, give the 2nd to move power source charges by USBType-C interface.
Certainly, this scheme can also press the first button moving on power supply user, the 3rd switch S 31 moved first in power supply be about to while connecting feed circuit the first switch S 11 connect can, and need not waiting until the 2nd, to move electrical source exchange be connect after charge mode again.
Which side this scheme can decide in its sole discretion for power-supply unit by user, need not be limited by the battery electricity of equipment itself.
Scheme two: before two mobile power supplys are connected by two, the state of two mobile power supplys is all set to power supply state, or directly the default conditions of two mobile power supplys is all set to power supply state. Under power supply state, the first switch in two mobile power supplys is all closed, and respective feed circuit connected respectively by the 3rd switch, therefore, the VBUS terminal of the USBType-C interface of two mobile power supplys all has charging voltage and exports. After being interconnected by two mobile power supplys, the relatively high mobile power supply of output voltage is as power-supply unit, and the relatively low mobile power supply of output voltage is as electrical equipment.
Specifically, assume first move power supply export charging voltage higher, then first move power source charges voltage through the VBUS terminal of the 2nd USBType-C interface moving power supply and arrive the negative electrode of diode D12 that the 2nd moves power supply, and the stop by diode D12 cannot continue forward, thus it is poor at diode D12 two ends coating-forming voltage, this differential pressure information is input to the judgement module that the 2nd moves power supply by the voltage acquisition module at diode D12 two ends, by judging that the 2nd switch S 22 that internal interface unit that power supply is moved in module control the 2nd moves power supply by the 2nd closes, and the 3rd switch S 32 is switched to charging circuit, 2nd moves power supply switches to charging state by power supply state, thus to realize moving power supply by first be the 2nd move power source charges.
Certainly, in scheme two, it is also possible to first do not close the first switch S 11 in two mobile power supplys, S12, and only the 3rd switch S 31, the S32 of two mobile power supplys are connected respective feed circuit respectively. after two mobile power supplys are interconnected, first charging voltage moving power supply output arrives the 2nd negative electrode moving the diode D12 of power supply through the VBUS terminal of the 2nd USBType-C interface moving power supply, and it is poor at diode D12 two ends coating-forming voltage, this differential pressure information is input to the judgement module that the 2nd moves power supply by the voltage acquisition module at diode D12 two ends, by judging that internal interface unit that power supply is moved in module control the 2nd moves the first switch S 12 of power supply by the 2nd and the 2nd switch S 22 closes, and the 3rd switch S 32 is switched to charging circuit, 2nd moves electrical source exchange becomes charging state, now the 2nd move power supply and become load.
The 2nd move the first switch S 12 of power supply closed after, first moves and has electric current to produce on the first resistance R11 of power supply, after triode Q41 amplification, conducting between the collector and emitter of triode Q41, collector electrode is pulled down to lower level from high level; Now, moving power supply due to the 2nd has switched to charging state to become load, therefore the first electric current and voltage collecting unit moving power supply first move power supply diode D11 negative electrode pin 2 on can't detect effective charging voltage, first moves the judgement module of power supply thus judges that the other side is load. First internal interface unit moving power supply according to judging the judged result of module the first switch S 11 is connected, first to move electrical source exchange be power supply state. Visible, can realize equally moving power supply by first is the 2nd move power source charges.
In the present invention, it is possible in internal interface unit or in other circuit, arrange electric current protection module, prevent from being formed by internal current impacting. Described electric current protection module can be safety fuse etc.
Present invention also offers a kind of equipment including the device that above-mentioned support electricity consumption/powering mode switches automatically, described equipment includes but not limited to mobile phone, mobile power supply, charger, charging pile, panel computer, intelligent watch, motion bracelet, portable computer, electric vehicle, electric ship, digital camera, Digital Video, without man-machine and other Electric aircraft etc. Automatically the device switched by the support of the present invention electricity consumption/powering mode, also mutual power supply all can be realized between various equipment, such as when electromobile electricity is not enough and can not arrive nearest charging pile, it is possible to by another electromobile for it charges. Again such as, it is possible to be mobile phone by the interface in automobile cab, move the chargings such as power supply, and mobile power supply can be powered for the amusement equipment on automobile equally, to extend the course continuation mileage of electromobile; Or when the store battery at fuel-engined vehicle does not have an electricity, provide the electric energy required for starting engine by mobile power supply. The device that the support electricity consumption/powering mode of the present invention switches automatically may be used for simple power supply scene, it is also possible to being applied to charges mixes scene with power supply.
The above embodiment is only the preferred embodiment lifted for absolutely proving the present invention, and protection scope of the present invention is not limited to this. The equivalent replacement that those skilled in the art do on basis of the present invention or conversion, all within protection scope of the present invention. Protection scope of the present invention is as the criterion with claim book.
Claims (10)
1. support the device that electricity consumption/powering mode switches automatically for one kind, it is characterised in that, comprising:
Interface module, for connecting charger or load, receives electric energy from described charger or exports electric energy to described load;
Judge module, it is charger or load for what judge that described interface module connects, and controls described interface module according to judged result and switching with between power mode and powering mode;
Energy module, is connected to described interface module, for managing the electric energy that described interface module receives, or provides electric energy to export to described load for described interface module to described interface module.
2. support the device that electricity consumption/powering mode switches automatically as claimed in claim 1, it is characterised in that, described interface module comprises external interface unit and internal interface unit, wherein:
Described external interface unit at least comprises positive terminal and negative terminal, to be connected with described charger or load;
Described internal interface unit is electrically connected with described external interface unit and is couple to described judgement module, for the judged result according to described judgement module, is switching with between power mode and powering mode.
3. support the device that electricity consumption/powering mode switches automatically as claimed in claim 2, it is characterized in that, being connected with acquisition module between described judgement module and described external interface unit, what the electric parameter in the described external interface unit that described judgement module collects according to described acquisition module judged that described external interface unit connects is charger or load.
4. support the device that electricity consumption/powering mode switches automatically as claimed in claim 3, it is characterized in that, described acquisition module comprises the load detecting unit on the positive terminal and/or negative terminal that are connected to described external interface unit, by the electric current that detects on described positive terminal and/or negative terminal to judge whether described external interface unit has accessed load.
5. support the device that electricity consumption/powering mode switches automatically as claimed in claim 4, it is characterized in that, described load detecting unit comprises triode, the base stage of described triode is connected to the negative terminal of described external interface unit by the first resistance, the grounded emitter of described triode, collector electrode connects described judgement module.
6. support the device that electricity consumption/powering mode switches automatically as claimed in claim 3, it is characterised in that, described acquisition module comprises electric current and voltage collecting unit, and described electric parameter comprises the voltage on described external interface unit terminal and/or electric current.
7. support the device that electricity consumption/powering mode switches automatically as claimed in claim 6, it is characterised in that, described electric current and voltage collecting unit comprises:
2nd resistance, one end of described 2nd resistance connects described judgement module, also connecting the positive terminal of described external interface unit or negative terminal and judgement module, the other end is connected in series ground connection after the first switch, and described first switch is connected under the control of described internal interface unit or turns off; Or
Galvanometer, described galvanometer is connected to positive terminal and the negative terminal of described external interface unit.
8. support the device that electricity consumption/powering mode switches automatically as claimed in claim 7, it is characterized in that, the lead-in wire of the positive terminal of described external interface unit is serially connected with diode, the negative electrode of described diode connects described positive terminal, and the two ends of described diode are connected to described judgement module by voltage acquisition module respectively; Described diode side is connected in parallel to the 2nd switch, and described 2nd switch is connected under the control of described internal interface unit or turns off.
9. support the device that electricity consumption/powering mode switches automatically as claimed in claim 2, it is characterized in that, the positive terminal of described external interface unit is connected with power circuit and feed circuit by the 3rd switch, and described power circuit and feed circuit connect described energy module respectively; Described 3rd switch is connected power circuit under the control of described internal interface unit or is connected feed circuit or all disconnects with both.
10. one kind includes the equipment supporting the device that electricity consumption/powering mode switches automatically described in claim 1-9 any one.
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| CN201610046897.0A CN105656118B (en) | 2016-01-25 | 2016-01-25 | The device for supporting electricity consumption/powering mode to automatically switch and the equipment comprising the device |
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