CN205304312U - Can be by interchange or dc supply's multi -functional charger - Google Patents
Can be by interchange or dc supply's multi -functional charger Download PDFInfo
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- CN205304312U CN205304312U CN201521114235.XU CN201521114235U CN205304312U CN 205304312 U CN205304312 U CN 205304312U CN 201521114235 U CN201521114235 U CN 201521114235U CN 205304312 U CN205304312 U CN 205304312U
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Abstract
The utility model discloses a can be by interchange or dc supply's multi -functional charger, include: a single -chip microcomputer. DC power supply power module, convert the commercial power of input into galvanic ACDC converting circuit, export the direct current of DC power supply power module or ACDC converting circuit input to the stream module is transferred in the pressure regulating dc supply converting circuit, the pressure regulating accent stream module that stream was transferred in the pressure regulating is carried out to the direct current that dc supply converting circuit exported to the instruction of receipt singlechip, the current detection circuit who flows the galvanic voltage and current parameter that the module is exported and offer voltage and current parameter the singlechip is transferred in the real -time dynamic detection pressure regulating, the USB output interface I of connecting the consumer, the external module of charging of connecting the consumer, export the converting circuit for the consumer with the working power supply of current detection circuit output through USB output interface I or the external module of charging. The utility model discloses can just can switch and insert commercial power or direct current according to the voltage electric current of different consumers output rather than the optimum matching.
Description
Technical field
The utility model relates to a kind of charger, relate in particular to a kind of can be by exchanging or the multifunctional charger of direct current supply.
Background technology
Information technology is advanced by leaps and bounds, and the performance of all kinds of consumers and various mobile phones is also more and more high, to providing the battery request of power supply also more and more higher. The USB(USB that the former factory of traditional consumer is equipped with) output voltage and the electric current of charger fix, and different consumers will be equipped with different chargers, causes the wasting of resources; The USB socket of unified standard and the USB interface above main frame, output voltage is same with electric current can not be applicable to all consumers, or charging voltage, electric current are excessive or charging voltage, electric current are too small.
, in use there is lower column defects in these traditional USB charging equipments:
1. the USB interface above main frame, output voltage 5V electric current 500mA, can cause and extend the charging interval the consumer charging that requires input current to be greater than 500mA, but can not shut down computer in order to charge, power-off in the situation that battery fails to be full of, has affected battery.
2. the output voltage electric current of traditional USB charging adapter is generally 5V, 1000mA, within the scope of GB, but can only optimum be used in the consumer that requires input current 1000mA, for requiring input current to be less than the consumer of 1000mA, can cause over-charging of battery, caloric value shortens greatly other fortuitous events such as battery life.
3. for the panel computers that use in a large number at present, input voltage is generally at 5V to 12V, and input current is generally at 1A-2.5A, and this just causes USB charging adapter of tradition output 5V-1A/2A to use, and can only additionally buy special charging adapter.
4. commercially available charging treasured can only be given the charging of 5V consumer, and output interface is single, can not provide electric energy for more consumer.
5. nowadays the portable consumer in family is more and more, and man-to-man charge mode has caused a large amount of wastes and storage inconvenience of resource, and particularly going on business or travel in way, this phenomenon is more serious.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of can be by exchanging or the multifunctional charger of direct current supply, the adaptive different consumers of this charger energy, can be according to the electric current and voltage of different consumer outputs and its optimum Match, and in the situation that not having civil power to supply with, also can provide rechargeable electrical energy by direct current supply module for subsequent use.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
Can, by exchanging or the multifunctional charger of direct current supply, comprise:
Single-chip microcomputer;
DC power supply module;
The civil power of input is converted to galvanic AC/DC change-over circuit;
The direct current of DC power supply module or the input of AC/DC change-over circuit is exported to the direct current supply change-over circuit of pressure regulation tune flow module;
The pressure regulation tune flow module of pressure regulation tune stream is carried out in the instruction that receives single-chip microcomputer to the direct current of direct current supply change-over circuit output;
Real-time and Dynamic Detection pressure regulation tune flow module is exported galvanic voltage and current parameter and voltage and current parameter is offered to the current detection circuit of single-chip microcomputer;
Connect the USB output interface I of consumer;
Connect the external charge module of consumer;
The working power of current detection circuit output is exported to the change-over circuit of consumer through USB output interface I or external charge module.
Described DC power supply module comprises the externally fed interface being connected with outside DC suppling equipment, the booster circuit I being connected with externally fed interface, and the output of described booster circuit I is connected with the input of direct current supply change-over circuit.
Described DC power supply module comprises the rechargeable battery or the dry cell that are built in charger shell, and the output of described rechargeable battery is connected to the input of direct current supply change-over circuit.
Described DC power supply module also comprises that the input of described charging circuit I is connected with the output of AC/DC change-over circuit for the charging circuit I to rechargeable battery charging, and the output of charging circuit I is connected to the input of described rechargeable battery.
Described DC power supply module comprises the booster circuit II being connected with the precious output of external charging, and the output of described booster circuit II is connected to the input of direct current supply change-over circuit.
Described DC power supply module also comprises that the input of described charging circuit II is connected with the output of AC/DC change-over circuit for the charging circuit II of the precious charging of the charging to external, and the output of charging circuit II is connected to the precious input of described charging; On the circuit connecting between described charging treasured and booster circuit II, be provided with a contactor.
Described change-over circuit adopts switch integrated circuit I, the working power of switch integrated circuit I received current testing circuit output, the electrical quantity producing in the time that consumer accesses USB output interface I or external charge module is provided to single-chip microcomputer, and the switching command that receives single-chip microcomputer transmission is also exported to consumer by the working power of current detection circuit output through USB output interface I or external charge module; Or, described change-over circuit comprises mechanical switch I and the mechanical switch II of manual control, one end of one end of described mechanical switch I and mechanical switch II is connected respectively to the output of current detection circuit, the other end of mechanical switch I connects USB output interface I, and the other end of mechanical switch II connects external charge module.
Direct current supply change-over circuit adopts switch integrated circuit II, switch integrated circuit II receives the direct current of AC/DC change-over circuit or the output of DC power supply module, the electrical quantity producing in the time that AC/DC change-over circuit or DC power supply module are inputted direct current is provided to single-chip microcomputer, receives switching command that single-chip microcomputer sends and also direct current is exported to pressure regulation and adjust flow module; Or, direct current supply change-over circuit comprises mechanical switch III and the mechanical switch IV of manual control, one end of described mechanical switch III connects the output of AC/DC change-over circuit, one end of mechanical switch IV connects the output of DC power supply module, and the other end of the other end of mechanical switch III and mechanical switch IV is connected respectively to the input of pressure regulation tune flow module.
Described direct current supply change-over circuit also exports the direct current of output to mu balanced circuit, and mu balanced circuit is by USB output interface II output power supply; Described USB output interface II is that output voltage is that constant 5V, output current are the 5VUSB output interface of 1A or 2A; Described mu balanced circuit is one or more; USB output interface II is one or more, USB output interface II adopts A type USB standard female mouth interface, the input of each mu balanced circuit is connected to the DC output end of direct current supply change-over circuit, and the output of each mu balanced circuit is connected to a USB output interface II; Described USB output interface I is that initial output voltage is that 1.25V, initial output current are that 0.3A, output voltage range are the USB output interface that 1.25V-12V, output current scope are 0.3A-2.5A; Described USB output interface I is one or more, adopts A type USB standard female mouth interface; Described external charge module is that initial output voltage is that 1.25V, initial output current are that 0.3A, output voltage range are the external charge module that 1.25V-12V, output current scope are 0.3A-2.5A; Described external charge module is one or more.
Single-chip microcomputer is also connected with duty display screen; Described duty display screen is one or more, adopts LCDs or lamp pearl array display screen.
With respect to prior art, the utility model is applicable to the need for electricity of MP3, e-book, learning machine, mobile phone, panel computer, handheld device etc. Adopt after such scheme, in the situation that having civil power, by commercial power charged, without civil power in the situation that, can pass through DC power supply module, as powered by external DC suppling equipment, built-in rechargeable battery or external charge treasured, convenient and practical; Adjust flow module, single-chip microcomputer, current detection circuit and direct current supply change-over circuit jointly to link by pressure regulation and regulate USB output interface I, export the voltage and current from different consumer optimum Match, improve the scope of application of charger, realize multi-use, particularly only need to carry a charger and can meet the demand of different consumers going on business or travel, use more portable, the charger that unnecessary purchase is unnecessary, reduce purchase cost, reduced waste.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the theory diagram that the utility model DC power supply module adopts external DC suppling equipment power supply.
Fig. 3 is the circuit theory diagrams that the utility model DC power supply module adopts external DC suppling equipment power supply.
Fig. 4 is the theory diagram that the utility model DC power supply module adopts built-in rechargeable battery power supply.
Fig. 5 is the circuit theory diagrams that the utility model DC power supply module adopts built-in rechargeable battery power supply.
Fig. 6 is the theory diagram that the utility model DC power supply module adopts the precious power supply of external charging.
Fig. 7 is the circuit theory diagrams that the utility model DC power supply module adopts the precious power supply of external charging.
Fig. 8 is one of circuit theory diagrams of change-over switch of the present utility model.
Fig. 9 be change-over switch of the present utility model circuit theory diagrams two.
Figure 10 is one of circuit theory diagrams of direct current supply change-over circuit of the present utility model.
Figure 11 be direct current supply change-over circuit of the present utility model circuit theory diagrams two.
Wherein, 1-AC/DC change-over circuit; Flow module is adjusted in 2-pressure regulation; 3-single-chip microcomputer; 4-USB output interface I; 5-duty display screen; 6-current detection circuit; 7-current detecting incoming line; 8-Control of Voltage instruction outlet line; 9-Current Control instruction outlet line; 10-mu balanced circuit; 11-USB output interface II; 12-DC circuit; 13-external charge module; 14-change-over circuit; 15-change-over circuit control circuit; 16-conversion identification circuit; 17-single-chip microcomputer supply line; 18-DC power supply module; 19-direct current supply change-over circuit; 20-externally fed interface; 21-booster circuit I; 22-rechargeable battery; 24-charging circuit I; 25-charges precious; 26-contactor; 27-booster circuit II; 28-charging circuit II; 29-direct current conversion identification circuit; 30-direct current conversion and control circuit; 32-contactor control circuit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Referring to Fig. 1, the a kind of of this enforcement can be by exchanging or the multifunctional charger of direct current supply, comprise AC/DC change-over circuit 1, DC power supply module 18, flow module 2 is adjusted in pressure regulation, single-chip microcomputer 3, USB output interface I 4, duty display screen 5, current detection circuit 6, current detecting incoming line 7, Control of Voltage instruction outlet line 8, Current Control instruction outlet line 9, mu balanced circuit 10, USB output interface II 11, DC circuit 12, external charge module 13, change-over circuit 14, change-over circuit control circuit 15, conversion identification circuit 16, single-chip microcomputer supply line 17, direct current supply change-over circuit 19, wherein, AC/DC change-over circuit 1, DC power supply module 18 are connected respectively to direct current supply change-over circuit 19, and direct current supply change-over circuit 19 adjusts flow module 2, mu balanced circuit 10 to be connected with single-chip microcomputer 3, pressure regulation respectively, pressure regulation adjusts flow module 2 to be connected with single-chip microcomputer 3, current detection circuit 6 respectively, current detection circuit 6 is connected with single-chip microcomputer 3, change-over circuit 14 respectively, change-over circuit 14 is connected with single-chip microcomputer 3, USB output interface I 4, external charge module 13 respectively, single-chip microcomputer 3 adjusts flow module 2, duty display screen 5, change-over circuit 14 to be connected with direct current supply change-over circuit 19, pressure regulation respectively. each functional module specifically describes as follows:
DC power supply module 18, major function is without civil power in the situation that, by outside DC suppling equipment, charging treasured, rechargeable battery or dry cell, for the utility model provides direct current. DC power supply module 18 can adopt following three kinds of schemes:
1) DC power supply module 18 comprises the externally fed interface 20 being connected with outside DC suppling equipment, the booster circuit I 21 being connected with externally fed interface 20, and the output of described booster circuit I 21 is connected with the input of direct current supply change-over circuit 19. Externally fed interface 20 adopts MicroUSB female seat interface.
2) as the further improvement of scheme 1, DC power supply module 18 can also be: comprise the rechargeable battery 22 or the dry cell that are built in charger shell, the output of described rechargeable battery 22 is connected to the input of direct current supply change-over circuit 19; DC power supply module 18 also comprises the charging circuit I 24 for charging to rechargeable battery 22, the input of described charging circuit I 24 is connected with the output of AC/DC change-over circuit 1, and the output of charging circuit I 24 is connected to the input of described rechargeable battery 22.
3) as the further improvement of scheme 1, DC power supply module 18 can also be: comprise the booster circuit II 27 being connected with precious 25 outputs of external charging, the output of described booster circuit II 27 is connected to the input of direct current supply change-over circuit 19, on the circuit connecting between described charging precious 25 and booster circuit II 27, be provided with a contactor of being controlled by single-chip microcomputer 3 26, single-chip microcomputer 3 is controlled the logical of charging precious 25 and booster circuit II 27 by contactor control circuit 32 and contactor 26, off state, described contactor 26 can pass through Single-chip Controlling relay, the mechanical switch that the form such as transistor or integrated package or employing are manually controlled is realized connecting and disconnecting of the circuit, DC power supply module 18 also comprises the charging circuit II 28 for precious 25 chargings of the charging to external, the input of described charging circuit II 28 is connected with the output of AC/DC change-over circuit 1, and the output of charging circuit II 28 is connected to the input of charging precious 25.
AC/DC change-over circuit 1, is converted to direct current by the civil power of input, adjusts flow module 2, single-chip microcomputer 3, mu balanced circuit 10 working power is provided by direct current supply change-over circuit 19 and DC circuit 12 for pressure regulation; For above-mentioned charging circuit I 24 or charging circuit II 28 provide working power.
Mu balanced circuit 10, the constant operating voltage of output 5V, and export 5V working power by USB output interface II 11. The output voltage of mu balanced circuit 10 can be decided according to the actual requirements.
USB output interface II 11, adopting output voltage is that constant 5V, output current are the 5VUSB output interface of 1A or 2A; USB output interface II 11, adopts A type USB standard female mouth interface.
Flow module 2 is adjusted in pressure regulation, receiving by Control of Voltage instruction outlet line 8, Current Control instruction outlet line 9 direct current that instruction that single-chip microcomputer 3 sends exports direct current supply change-over circuit 19 carries out pressure regulation and adjusts stream, the electric current and voltage of the different sizes of output, for single-chip microcomputer 3, external charge module 13 and USB output interface I 4 provide working power. Pressure regulation adjusts flow module 2 to export two-way working power, one tunnel is the voltage and current after adjusting, successively through overcurrent sensing circuit 6, change-over circuit 14, and final by the USB output interface I 4 being connected with change-over circuit 14 or the external charge module 13 being connected with change-over circuit 14, for external electric equipment provides working power; Another road provides working power through single-chip microcomputer supply line 17 for single-chip microcomputer 3. It is commercial product that flow module 2 is adjusted in pressure regulation, is DC/DC change-over circuit.
USB output interface I 4 and external charge module 13, be connected with the output of change-over circuit 14 respectively; In the time connecting each time consumer, USB output interface I 4 is that 1.25V, initial output current are 0.3A with the initial output voltage of external charge module 13, and output voltage range is 1.25V-12V, and output current scope is 0.3A-2.5A. USB output interface I 4 adopts A type USB standard female mouth interface. External charge module 13 is relatively independent member, by charger shell body structure or cable connecting charger, in the time not using, can place respectively.
Change-over circuit 14, the working power that current detection circuit 6 is exported is exported to consumer through USB output interface I 4 or external charge module 13, thereby realizes the switching output of electric energy. the switching of change-over circuit 14 can adopt soft handover and direct-cut operation to realize. soft handover can be realized by forms such as Single-chip Controlling relay, transistor or integrated packages, the present embodiment adopts existing MAX series switch integrated circuit I and single-chip microcomputer to combine and realizes soft handover: the working power that switch integrated circuit I received current testing circuit 6 is exported, the electrical quantity producing in the time that consumer accesses USB output interface I 4 or external charge module 13 is provided to single-chip microcomputer 3, and the switching command that reception single-chip microcomputer 3 sends the working power that current detection circuit 6 is exported are exported to consumer through USB output interface I 4 or external charge module 13. the working power that current detection circuit 6 is exported is preferentially exported through USB output interface I 4, also can preferentially be exported by external charge module 13. below to be preferentially output as example and to illustrate the switching principle of switch integrated circuit I by external charge module 13: circuit theory diagrams as shown in Figure 8, the pin 10 of switch integrated circuit I is connected current detection circuit 6 with pin 3, pin 9 connects external charge module 13, pin 5 connects USB output interface I 4, pin 8 is connected single-chip microcomputer 3 with pin 4 by change-over circuit control circuit 15, and pin 7 is connected to single-chip microcomputer 3 by conversion identification circuit 16, before switching, the working power that switch integrated circuit I is exported by pin 3 received current testing circuits 6, and export electric energy to USB output interface I 4 by pin 5, in the time that external charge module 13 also accesses consumer simultaneously, the electrical quantity that pin 7 produces in the time that single-chip microcomputer 3 provides in consumer access external charge module 13 through conversion identification circuit 16, once single-chip microcomputer 3 detects after the electrical quantity that conversion identification circuit 16 provides, can judge external charge module 13 and access consumer, now single-chip microcomputer 3 sends switching command 1 or 0 by change-over circuit control circuit 15 to the pin 4 and 8 of switch integrated circuit I after internal processes computing, switch integrated circuit I receives by change-over circuit control circuit 15 switching command 1 or 0 that single-chip microcomputer 3 sends, switch integrated circuit I is by its inner integrated electronic switch K1 and the conversion of K2, electric energy is switched to from pin 9 and exported, thereby the working power that current detection circuit 6 is exported in realization switches to external charge module 13 by USB output interface I 4 and preferentially exports, for external consumer power supply. under the holding state without electricity consumption equipment access, the original state that change-over circuit 14 is controlled USB output interface I 4, external charge module 13 is channel status. change-over circuit 14, also can depart from the control of single-chip microcomputer 3, realize by direct-cut operation: adopt Purely mechanical switch manual switchover output, as shown in Figure 9, change-over circuit 14 comprises mechanical switch I and the mechanical switch II of manual control, one end of one end of mechanical switch I and mechanical switch II is connected respectively to the output of current detection circuit 6, and the other end of mechanical switch I connects USB output interface I 4, and the other end of mechanical switch II connects external charge module 13.
Current detection circuit 6, is arranged on pressure regulation and adjusts between flow module 2 outputs and change-over circuit 14, is connected with single-chip microcomputer 3 by current detecting incoming line 7; The voltage and current parameter that current detection circuit 6 Real-time and Dynamic Detection pressure regulation adjust flow module 2 to export, and by current detecting incoming line 7, voltage and current parameter is offered to single-chip microcomputer 3.
Single-chip microcomputer 3, adjust flow module 2 to be connected by Control of Voltage instruction outlet line 8, Current Control instruction outlet line 9 with pressure regulation respectively, be connected with change-over circuit 14 by change-over circuit control circuit 15, be connected with direct current supply change-over circuit 19 by direct current conversion and control circuit 30. The parameter that single-chip microcomputer 3 received current testing circuits 6 provide by current detecting incoming line 7, on the basis of the initial output voltage electric current 1.25V-0.3A of USB output interface I 4 and external charge module 13, after the computing of single-chip microcomputer internal processes, send instruction by Control of Voltage instruction outlet line 8, Current Control instruction outlet line 9, control pressure regulation and adjust the duty of flow module 2, make pressure regulation adjust flow module 2 to export the working power of different big or small electric current and voltages, until meet the required charging voltage and current of consumer; Single-chip microcomputer 3 also receives the current/voltage parameter that change-over circuit 14 provides by conversion identification circuit 16, control the on off state of change-over circuit 14 by change-over circuit control circuit 15, make USB output interface I 4 and external charge module 13 only have one to be in duty. In addition, single-chip microcomputer 3 receives by direct current conversion identification circuit 29 parameter that direct current supply change-over circuit 19 provides, send instruction by direct current conversion and control circuit 30 to direct current supply change-over circuit 19, direct current supply change-over circuit 19 is receiving execution switching action after instruction, in access when civil power, make the DC circuit that AC/DC change-over circuit 1 provides, the DC circuit that DC power supply module 18 provides only have a road to be in channel status.
Direct current supply change-over circuit 19, exports to consumer by the direct current of inputting from DC power supply module 18 or AC/DC change-over circuit 1, thereby realizes the switching output of electric energy. The switching of direct current supply change-over circuit 19 can adopt soft handover and direct-cut operation to realize. Soft handover can be realized by forms such as Single-chip Controlling relay, transistor or integrated packages, the present embodiment adopts the switch integrated circuit II of existing MAX series and single-chip microcomputer to combine and realizes soft handover: switch integrated circuit II receives the direct current that AC/DC change-over circuit 1 or DC power supply module 18 are exported, the electrical quantity producing in the time that AC/DC change-over circuit 1 or DC power supply module 18 are inputted direct current is provided to single-chip microcomputer 3, receives switching command that single-chip microcomputer 3 sends and also direct current is exported to pressure regulation and adjust flow module 2. The direct current that direct current supply change-over circuit 19 can be inputted AC/DC change-over circuit 1 is preferentially exported, and the direct current that also DC power supply module 18 can be inputted is preferentially exported. Preferentially be output as example and illustrate the switching principle of switch integrated circuit II below with the direct current that AC/DC change-over circuit 1 is provided: circuit theory diagrams are as shown in 10, the pin 3 of switch integrated circuit II connects the output of AC/DC change-over circuit 1, pin 9 connects the output of DC power supply module 18, pin 7 and pin 2 export direct current to pressure regulation as the output of direct current supply change-over circuit 19 and adjust flow module 2, pin 5 connects single-chip microcomputer 3 by direct current conversion identification circuit 29, and pin 4 is connected single-chip microcomputer 3 with pin 8 by direct current conversion and control circuit 30; only have DC power supply module 18 by direct current in the time that pin 9 is inputted, the direct current that switch integrated circuit II provides DC power supply module 18 by pin 7 exports pressure regulation to and adjusts flow module 2, if the direct current that AC/DC change-over circuit 1 provides is also inputted by pin 3 simultaneously, pin 5 produces an electrical quantity through direct current conversion identification circuit 29 to single-chip microcomputer 3, once single-chip microcomputer 3 detects this electrical quantity, can judge AC/DC change-over circuit 1 and start to provide direct current to switch integrated circuit II, now single-chip microcomputer 3 sends switching command 1 or 0 by direct current conversion and control circuit 30 to the pin 4 and 8 of switch integrated circuit II after internal processes computing, switch integrated circuit II receives by direct current conversion and control circuit 30 switching command 1 or 0 that single-chip microcomputer 3 sends, switch integrated circuit II is by its inner integrated electronic switch K3 and the conversion of K4, the direct current that AC/DC change-over circuit 1 is provided preferentially switches to from pin 2 and exports, and the direct current that DC power supply module 18 provides stops exporting from pin 7. direct current supply change-over circuit 19 also can depart from the control of single-chip microcomputer 3, realize by direct-cut operation: adopt Purely mechanical switch manual switchover output, as shown in figure 11, direct current supply change-over circuit 19 comprises mechanical switch III and the mechanical switch IV of manual control, one end of described mechanical switch III connects the output of AC/DC change-over circuit 1, one end of mechanical switch IV connects the output of DC power supply module 18, and the other end of the other end of mechanical switch III and mechanical switch IV is connected respectively to the input of pressure regulation tune flow module 2.
The direct current that direct current supply change-over circuit 19 is exported also exports mu balanced circuit 10 to, and mu balanced circuit 10 is exported 5V working power by USB output interface II 11. When civil power access and DC power supply module 18 are under holding state, the DC circuit that controlling DC circuit that AC/DC change-over circuit 1 provides and DC power supply module 18 provides is channel status.
Duty display screen 5, adopts LCDs or lamp pearl array display screen, controls by single-chip microcomputer 3 voltage and current parameter that Real time dynamic display pressure regulation adjusts flow module 2 to export; Duty display screen 5 can arrange one or more.
More than above-mentioned Control of Voltage instruction outlet line 8, Current Control instruction outlet line 9, change-over circuit control circuit 15, conversion identification circuit 16 are respectively a Huo Yi road, road.
Above-mentioned mu balanced circuit 10, USB output interface II 11 all can arrange one or more, above-mentioned DC circuit 12 needs multichannel can be set according to expansion, the input of each mu balanced circuit 10 is respectively connected to the DC output end of direct current supply change-over circuit 19 by a road DC circuit 12, the output of each mu balanced circuit 10 is connected to a USB output interface II 11.
Above-mentioned USB output interface I 4 and external charge module 13 need one or more also all can be set according to expansion, are connected respectively to the output of change-over circuit 14.
The course of work of the utility model in the time that DC power supply module 18 adopts such scheme 1 is as follows:
As shown in Figure 2, consumer access USB output interface I 4 or external charge module 13, detect current parameters and deliver to after single-chip microcomputer 3 through current detection circuit 6, the current parameters that the pressure regulation being provided according to current detection circuit 6 and current detecting incoming line 7 by single-chip microcomputer 3 adjusts flow module 2 to export, on the basis of the initial output voltage electric current 1.25V-0.3A of USB output interface I 4 or external charge module 13, control pressure regulation and adjust flow module 2 to adjust output voltage size of current, until meet the required charging voltage and current of consumer.
Single-chip microcomputer 3 is controlled the duty of change-over circuit 14 by change-over circuit control circuit 15, in the time having external electric equipment access, make USB output interface I 4 and external charge module 13 only have one to be in channel status.
Single-chip microcomputer 3 is controlled the voltage and current parameter that the 5 Real time dynamic display pressure regulation of duty display screen adjust flow module 2 to export simultaneously.
USB output interface II 11 is exported the working power of 5V voltage.
The direct current providing through direct current supply change-over circuit 19, through DC circuit 12, adjusts flow module 2 and mu balanced circuit 10 that working power is provided to pressure regulation.
Referring to Fig. 3, the direct current that the direct current that civil power is changed through AC/DC change-over circuit 1 or externally fed equipment provide by booster circuit I 21 through externally fed equipment interface 20, adjusts flow module 2, mu balanced circuit 10 by direct current supply change-over circuit 19 and DC circuit 12 for pressure regulation working power is provided; Adjust flow module 2 and single-chip microcomputer 3, current detection circuit 6, change-over circuit 14, the common interlock of direct current supply change-over circuit 19 to regulate by pressure regulation, voltage and current after 13 outputs of USB output interface I 4 or external charge module are adjusted, and shown the size of output voltage and electric current by duty display screen 5; The low-voltage direct-current constant voltage constant current power that direct current supply change-over circuit 19 is exported provides working power by DC circuit 12 for mu balanced circuit 10, and mu balanced circuit 10 is exported 5V power supply by USB output interface II 11.
Externally fed equipment interface 20 connects after externally fed equipment, by booster circuit I 21, direct current supply change-over circuit 19 and DC circuit 12, offer pressure regulation and adjust flow module 2, mu balanced circuit 10, finally charge to consumer through USB output interface I 4, external charge module 13, USB output interface II 11, complete bridge joint work.
The course of work of the utility model in the time that DC power supply module 18 adopts such scheme 2 is as follows:
As shown in Figure 4, consumer access USB output interface I 4 or external charge module 13, detect voltage parameter and deliver to after single-chip microcomputer 3 through current detection circuit 6, the current parameters that the pressure regulation being provided according to current detection circuit 6 and current detecting incoming line 7 by single-chip microcomputer 3 adjusts flow module 2 to export, on the basis of the initial output voltage electric current 1.25V-0.3A of USB output interface I 4 or external charge module 13, control pressure regulation and adjust flow module 2 to adjust output voltage size of current, until meet the required charging voltage and current of consumer.
Single-chip microcomputer 3 is controlled the duty of change-over circuit 14 by change-over circuit control circuit 15, in the time having external electric equipment access, make USB output interface I 4 and external charge module 13 only have one to be in channel status.
Single-chip microcomputer 3 is controlled the voltage and current parameter that the 5 Real time dynamic display pressure regulation of duty display screen adjust flow module 2 to export simultaneously.
USB output interface II 11 is exported the working power of 5V voltage.
The direct current providing through direct current supply change-over circuit 19, through DC circuit 12, adjusts flow module 2 and mu balanced circuit 10 that working power is provided to pressure regulation.
Referring to Fig. 5, the direct current that the direct current that civil power is changed through AC/DC change-over circuit 1 or built-in rechargeable battery 22 provide, adjusts flow module 2, mu balanced circuit 10 by direct current supply change-over circuit 19 and DC circuit 12 for pressure regulation working power is provided; Adjust flow module 2 and single-chip microcomputer 3, current detection circuit 6, change-over circuit 14, the common interlock of direct current supply change-over circuit 19 to regulate by pressure regulation, voltage and current after 13 outputs of USB output interface I 4 or external charge module are adjusted, and shown the size of output voltage and electric current by duty display screen 5; The low-voltage direct-current constant voltage constant current power that direct current supply change-over circuit 19 is exported provides working power by DC circuit 12 for mu balanced circuit 10, and mu balanced circuit 10 is exported 5V power supply by USB output interface II 11.
The direct current that civil power is changed through AC/DC change-over circuit 1, charges for built-in rechargeable battery 22 through charging circuit I 24.
The course of work of the utility model in the time that DC power supply module 18 adopts such scheme 3 is as follows:
As shown in Figure 6, consumer access USB output interface I 4 or external charge module 13, detect voltage parameter and deliver to after single-chip microcomputer 3 through current detection circuit 6, the current parameters that the pressure regulation being provided according to current detection circuit 6 and current detecting incoming line 7 by single-chip microcomputer 3 adjusts flow module 2 to export, on the basis of the initial output voltage electric current 1.25V-0.3A of USB output interface I 4 or external charge module 13, control pressure regulation and adjust flow module 2 to adjust output voltage size of current, until meet the required charging voltage and current of consumer.
Single-chip microcomputer 3 is controlled the duty of change-over circuit 14 by change-over circuit control circuit 15, in the time having external electric equipment access, make USB output interface I 4 and external charge module 13 only have one to be in channel status.
Single-chip microcomputer 3 is controlled the switching line state of charging precious 25 and booster circuit II 27 by contactor control circuit 32 and contactor 26.
Single-chip microcomputer 3 is controlled the voltage and current parameter that the 5 Real time dynamic display pressure regulation of duty display screen adjust flow module 2 to export simultaneously.
USB output interface II 11 is exported the working power of 5V voltage.
The direct current providing through direct current supply change-over circuit 19, through DC circuit 12, adjusts flow module 2 and mu balanced circuit 10 that working power is provided to pressure regulation.
Referring to Fig. 7, the direct current that the direct current that civil power is changed through AC/DC change-over circuit 1 or external charging treasured 25 provide by booster circuit II 27, adjusts flow module 2, mu balanced circuit 10 by direct current supply change-over circuit 19 and DC circuit 12 for pressure regulation working power is provided; Adjust flow module 2 and single-chip microcomputer 3, current detection circuit 6, change-over circuit 14, the common interlock of direct current supply change-over circuit 19 to regulate by pressure regulation, voltage and current after 13 outputs of USB output interface I 4 or external charge module are adjusted, and shown the size of output voltage and electric current by duty display screen 5; The low-voltage direct-current constant voltage constant current power that direct current supply change-over circuit 19 is exported provides working power by DC circuit 12 for mu balanced circuit 10, and mu balanced circuit 10 is exported 5V power supply by USB output interface II 11.
The direct current that civil power is changed through AC/DC change-over circuit 1 is external precious 25 chargings of charging through charging circuit II 28.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; do not departing under the utility model general idea prerequisite; can also make some changes and improvements; these also should be considered as protection domain of the present utility model, and these can not affect effect and practical applicability that the utility model is implemented.
Claims (10)
1. can, by exchanging or the multifunctional charger of direct current supply, it is characterized in that: comprising:
Single-chip microcomputer;
DC power supply module;
The civil power of input is converted to galvanic AC/DC change-over circuit;
The direct current of DC power supply module or the input of AC/DC change-over circuit is exported to the direct current supply change-over circuit of pressure regulation tune flow module;
The pressure regulation tune flow module of pressure regulation tune stream is carried out in the instruction that receives single-chip microcomputer to the direct current of direct current supply change-over circuit output;
Real-time and Dynamic Detection pressure regulation tune flow module is exported galvanic voltage and current parameter and voltage and current parameter is offered to the current detection circuit of single-chip microcomputer;
Connect the USB output interface I of consumer;
Connect the external charge module of consumer;
The working power of current detection circuit output is exported to the change-over circuit of consumer through USB output interface I or external charge module.
2. according to claim 1 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described DC power supply module comprises the externally fed interface being connected with outside DC suppling equipment, the booster circuit I being connected with externally fed interface, and the output of described booster circuit I is connected with the input of direct current supply change-over circuit.
3. according to claim 1 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described DC power supply module comprises the rechargeable battery or the dry cell that are built in charger shell, and the output of described rechargeable battery is connected to the input of direct current supply change-over circuit.
4. according to claim 3 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described DC power supply module also comprises for the charging circuit I to rechargeable battery charging, the input of described charging circuit I is connected with the output of AC/DC change-over circuit, and the output of charging circuit I is connected to the input of described rechargeable battery.
5. according to claim 1 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described DC power supply module comprises the booster circuit II being connected with the precious output of external charging, and the output of described booster circuit II is connected to the input of direct current supply change-over circuit.
6. according to claim 5 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described DC power supply module also comprises the charging circuit II for the precious charging of the charging to external, the input of described charging circuit II is connected with the output of AC/DC change-over circuit, and the output of charging circuit II is connected to the precious input of described charging; On the circuit connecting between described charging treasured and booster circuit II, be provided with a contactor.
7. according to claim 1 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described change-over circuit adopts switch integrated circuit I, the working power of switch integrated circuit I received current testing circuit output, the electrical quantity producing in the time that consumer accesses USB output interface I or external charge module is provided to single-chip microcomputer, and the switching command that receives single-chip microcomputer transmission is also exported to consumer by the working power of current detection circuit output through USB output interface I or external charge module; Or, described change-over circuit comprises mechanical switch I and the mechanical switch II of manual control, one end of one end of described mechanical switch I and mechanical switch II is connected respectively to the output of current detection circuit, the other end of mechanical switch I connects USB output interface I, and the other end of mechanical switch II connects external charge module.
8. according to claim 1 can be by exchanging or the multifunctional charger of direct current supply, it is characterized in that: direct current supply change-over circuit adopts switch integrated circuit II, switch integrated circuit II receives the direct current of AC/DC change-over circuit or the output of DC power supply module, the electrical quantity producing in the time that AC/DC change-over circuit or DC power supply module are inputted direct current is provided to single-chip microcomputer, receives switching command that single-chip microcomputer sends and also direct current is exported to pressure regulation and adjust flow module; Or, direct current supply change-over circuit comprises mechanical switch III and the mechanical switch IV of manual control, one end of described mechanical switch III connects the output of AC/DC change-over circuit, one end of mechanical switch IV connects the output of DC power supply module, and the other end of the other end of mechanical switch III and mechanical switch IV is connected respectively to the input of pressure regulation tune flow module.
9. according to can, by exchanging or the multifunctional charger of direct current supply, it is characterized in that: described direct current supply change-over circuit also exports the direct current of output to mu balanced circuit described in claim 1 or 8, mu balanced circuit is by USB output interface II output power supply; Described USB output interface II is that output voltage is that constant 5V, output current are the 5VUSB output interface of 1A or 2A; Described mu balanced circuit is one or more; USB output interface II is one or more, USB output interface II adopts A type USB standard female mouth interface, the input of each mu balanced circuit is connected to the DC output end of direct current supply change-over circuit, and the output of each mu balanced circuit is connected to a USB output interface II; Described USB output interface I is that initial output voltage is that 1.25V, initial output current are that 0.3A, output voltage range are the USB output interface that 1.25V-12V, output current scope are 0.3A-2.5A; Described USB output interface I is one or more, adopts A type USB standard female mouth interface; Described external charge module is that initial output voltage is that 1.25V, initial output current are that 0.3A, output voltage range are the external charge module that 1.25V-12V, output current scope are 0.3A-2.5A; Described external charge module is one or more.
10. according to claim 1 can, by exchanging or the multifunctional charger of direct current supply, it is characterized in that: single-chip microcomputer is also connected with duty display screen; Described duty display screen is one or more, adopts LCDs or lamp pearl array display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521114235.XU CN205304312U (en) | 2015-12-29 | 2015-12-29 | Can be by interchange or dc supply's multi -functional charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521114235.XU CN205304312U (en) | 2015-12-29 | 2015-12-29 | Can be by interchange or dc supply's multi -functional charger |
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| Publication Number | Publication Date |
|---|---|
| CN205304312U true CN205304312U (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521114235.XU Active CN205304312U (en) | 2015-12-29 | 2015-12-29 | Can be by interchange or dc supply's multi -functional charger |
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| Country | Link |
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| CN (1) | CN205304312U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471040A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger capable of being powered by alternating current of direct current |
| CN105932746A (en) * | 2016-06-20 | 2016-09-07 | 西可通信技术设备（河源）有限公司 | Compatibility recognition apparatus for mobile terminal and charging apparatus thereof |
| WO2017114374A1 (en) * | 2015-12-29 | 2017-07-06 | 郑州匠芯电子科技有限公司 | Charger adaptable to different power consumption devices |
-
2015
- 2015-12-29 CN CN201521114235.XU patent/CN205304312U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471040A (en) * | 2015-12-29 | 2016-04-06 | 郑州匠芯电子科技有限公司 | Multifunctional charger capable of being powered by alternating current of direct current |
| WO2017114374A1 (en) * | 2015-12-29 | 2017-07-06 | 郑州匠芯电子科技有限公司 | Charger adaptable to different power consumption devices |
| CN105932746A (en) * | 2016-06-20 | 2016-09-07 | 西可通信技术设备（河源）有限公司 | Compatibility recognition apparatus for mobile terminal and charging apparatus thereof |
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