CN210225034U - High-reliability vector sharing password fast charging - Google Patents
High-reliability vector sharing password fast charging Download PDFInfo
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- CN210225034U CN210225034U CN201921221440.4U CN201921221440U CN210225034U CN 210225034 U CN210225034 U CN 210225034U CN 201921221440 U CN201921221440 U CN 201921221440U CN 210225034 U CN210225034 U CN 210225034U
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Abstract
The utility model provides a high reliable vector sharing password fills soon, including password dish shell, the host computer shell, AC/DC converting circuit, DC/DC converting circuit and delivery outlet, AC/DC converting circuit installs in the host computer shell, DC/DC converting circuit installs in password dish shell, including password input keyboard among DC/DC converting circuit, AC/DC converting circuit's input and alternating current electric network are connected, AC/DC converting circuit's output and DC/DC converting circuit's input are connected, DC/DC converting circuit's output and delivery outlet are connected, DC/DC converting circuit's output is through the delivery outlet for taking charging equipment to charge fast. High reliable vector sharing password fill soon have can share for the different people different equipment use, promoted the stability that high reliable vector sharing password filled soon and the advantage of reliability.
Description
Technical Field
The utility model relates to a sharing charger field, in particular to high reliable vector sharing password of many delivery outlets area function of charging soon fills.
Background
The existing sharing quick charger is generally used by directly scanning codes without passing verification, the phenomenon that people forget to take the code and then take the code by other people for wrong use can occur, and the reliability and the safety of sharing quick charger use are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high reliable vector sharing password fills soon, solves one or more among the above-mentioned prior art problem.
The utility model provides a high reliable vector sharing password fills soon, high reliable vector sharing password fills soon including password dish shell, the host computer shell, AC DC converting circuit, DC converting circuit and output head, AC DC converting circuit installs in the host computer shell, DC converting circuit installs in password dish shell, including password input keyboard among the DC converting circuit, AC DC converting circuit's input and alternating current electric network are connected, AC DC converting circuit's output is connected with DC converting circuit's input, DC converting circuit's output and output head are connected, DC converting circuit's output is for taking the battery charging outfit to charge fast through the output head.
The host machine shell and the password disk shell are detachably connected, and an identification medium is arranged on the outer side wall of the password disk shell.
In some embodiments, the identification medium is a one-dimensional code, a two-dimensional code, a bar code, or the like.
In some embodiments, the top of the host shell is provided with a groove corresponding to the password disk shell, the top plate of the host shell and the bottom plate of the password disk shell are both embedded with magnets, and the password disk shell and the host shell can be attracted together through the magnets. The bottom of the password disk shell is placed in the groove of the host shell, and the password disk shell can be adsorbed on the host shell by utilizing the suction force of the magnet.
The output end of the AC/DC conversion circuit is connected with the input end of the DC/DC conversion circuit through an output lead, and the alternating current power grid adopts a 220V AC power grid.
The AC/DC conversion circuit comprises an input rectification filter circuit, a first DC/DC conversion circuit and a first DC/DC conversion control circuit, wherein an alternating current power grid is connected with the input end of the input rectification filter circuit and serves as the input of the input rectification filter circuit, the output end of the input rectification filter circuit is connected with the input end of the first DC/DC conversion circuit, the first DC/DC conversion control circuit comprises a starting circuit, a control circuit and an output voltage control circuit, the starting circuit and the control circuit are connected to form a first half circuit, the first half circuit is arranged between the input rectification filter circuit and the first DC/DC conversion circuit, and the first DC/DC conversion circuit and the output voltage control circuit are connected with the DC/DC conversion circuit through output wires.
In some embodiments, the input rectifying and filtering circuit comprises an input pin L, an input pin N, an overload protection circuit F1, an over-temperature protection circuit RT1, an electromagnetic radiation and conduction disturbance suppression circuit LF1, a rectifier bridge stack BD1 and a filter circuit;
the filter circuit consists of an electrolytic capacitor EC1, an inductor L1 and an electrolytic capacitor EC 2.
In some embodiments, the first DC/DC conversion circuit includes a switching circuit Q1, a transformer T1A, an output rectifying circuit, output filter capacitors EC4, EC5,
the output rectifying circuit consists of an integrated synchronous rectifying circuit integrated chip U3, a resistor R22 and a capacitor C5, converts the output of the transformer T1A into a stable direct-current voltage, and then provides the stable direct-current voltage to the DC/DC conversion circuit through an output filter capacitor EC4, an EC5 and an output lead.
In some embodiments, the first DC/DC conversion circuit further includes a resistor R8, a resistor R9, a capacitor C3, a resistor R7, a diode D2, a resistor R14, a resistor R15, a resistor R22, and a capacitor CY 1.
In some embodiments, the switching circuit Q1 is a depletion mode N-channel insulated gate field effect transistor.
In some embodiments, the start-up circuit consists of a resistor R5 and a resistor R6 connected in series;
the first half section of control circuit is composed of an auxiliary winding T1B of a transformer, a diode D1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, an electrolytic capacitor EC3, a triode Q2, a voltage regulator tube Z1, a capacitor C1, a chip U1, a phototriode U2B inside an optocoupler U2, a capacitor C2, a resistor R10, a diode D3, a resistor R12, a resistor R11, a resistor R13 and a capacitor C4;
the output voltage control circuit is composed of a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R23, a capacitor C6, a capacitor C7, a voltage regulator tube Z2, a controllable precision voltage regulator source U4 and a light emitting diode U2A in an optocoupler U2.
In some embodiments, the output wire is a white OD 3.5 wire with a core of 0.16 x 17 x 2C +0.16 x 7 x 1C AS 105 ℃ plus nylon length of 1.3 meters.
In some embodiments, the DC/DC conversion circuit includes an MCU control circuit and an output module, the MCU control circuit is connected to the password input keyboard, the output module is connected to the output head, the output module reads the charging control protocol of the device through the output head, the second DC/DC conversion circuit and the output voltage control circuit are connected to the output module through an output wire, the output module is in communication connection with the MCU control circuit, and the operation of the output module is controlled by the instruction of the MCU control circuit.
In some embodiments, the MCU control circuit includes a program protection circuit, a chip U2, a second capacitor C2, a second capacitor C3, a third capacitor C4, a chip U3, a second resistor R2, a second resistor R3, a second resistor R4, an output voltage sampling circuit, an LED1, an LED2, and an LED3, wherein the program protection circuit includes a switch S5, a second resistor R1, and a second capacitor C1, and protects the program in the MCU from being stolen by others; the output voltage sampling circuit comprises a second capacitor C7, a second resistor R9 and a second resistor R10.
In some embodiments, the LED1 is a red indicator light to display the power-on status of the high-reliability vector sharing password fast-charge; the LED2 is a green indicator light for indicating whether the password input is successful; the LED3 is a blue indicator light to show whether the high reliability vector sharing password fast charge enters the fast charge state.
In some embodiments, the Pin # 5, the Pin # 6, and the Pin # 7 on the chip U2 are TYPE C _ IFB, application _ IFB, MICR5P _ IFB, application _ IFB, MICR5P _ IFB, TYPE C _ IFB is a current sampling signal of an APPLE charging header, a Mic5Pin charging header, and a TYPE-C output header, R7, R6, and R8 are current sampling resistors of an APPLE charging header, an Mic5Pin charging header, and a TYPE-C output header, respectively, and the APPLE charging header, the Mic5Pin charging header, and the TYPE-C output header correspond to the APPLE output header, the Mic5Pin output header, and the TYPE-C output header one to one.
In some embodiments, the password input keyboard is composed of four keys, the four keys are respectively a key S1, a key S2, a key S3 and a key S4, the key S1, the key S2, the key S3 and the key S4 are respectively connected with a pin # 9, a pin # 10, a pin # 11 and a pin # 12 of the chip U2, and the password input keyboard is used for unlocking password input with high-reliability vector fast charging.
In some embodiments, the output module is composed of a second capacitor C2, a second resistor R5, a second capacitor C5, a second capacitor C6, and a second chip U1, and the second chip U1 is connected to the apple output stud, the Type-C output stud, and the Mic5Pin output stud through a wire harness.
The output head comprises an apple output head, a Type-C output head and a Mic5Pin output head which are connected, the apple output head can receive a quick charging protocol, the output module can receive a PD3.0 and QC4.0 charging protocol through the Type-C output head, and the output module can receive a QC4.0 charging protocol through the Mic5Pin output head.
In some embodiments, the apple output head can receive a fast charging protocol which is apple 2.4A and QC3.0 fast charging protocol.
In some embodiments, the Type-C output header outputs 5V/3A or 9V/2A or 12V/1.5A or 15V/1.2A, and the Mic5Pin output header outputs 5V/3A or 9V/2A or 12V/1.5A. The Type-C output head, the Mic5Pin output head and the apple output head can charge mobile phones, part of tablet computers, part of digital cameras and the like with corresponding interfaces, and can quickly charge the mobile phones and part of the tablet computers with the quick charging function.
In some embodiments, the DP and DM pins of the Mic5Pin output header are connected to the DPA and DMA pins of the output module, respectively; Type-C output head DP, DM, CC pin are connected with DPC, DMC, CC1 pin of output module respectively.
The advantage that highly reliable vector sharing password fills soon be: the password code sharing device has the advantages that the password code sharing device can be shared to be used by different people, the burden of traveling is reduced, the high-reliability vector sharing password is quickly charged before use and is protected in the use process, the stability and the reliability of the high-reliability vector sharing password are effectively improved, and the phenomenon that the password code is scanned by a user and then the password code is taken by other people is avoided.
Drawings
Fig. 1 is a system block diagram of a high-reliability vector shared password fast charger according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of an AC/DC converter circuit according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a DC/DC converter circuit and an output head according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the high-reliability vector sharing password fast charging in one embodiment of the present invention.
Detailed Description
The embodiment provides a high-reliability vector sharing password fast charging method, as shown in fig. 1 to 4, wherein VO +, VO-, and VR in fig. 2 and 3 are respectively an anode of an output wire, a cathode of the output wire, and an output voltage control line. The high-reliability vector sharing password fast-charging device comprises a password disk shell 6, a host shell 4, an AC/DC conversion circuit 1, a DC/DC conversion circuit 2 and an output head 3, wherein a groove 5 corresponding to the password disk shell 6 is formed in the top of the host shell 4, magnets are embedded in the top plate of the host shell 4 and the bottom plate of the password disk shell 6, the password disk shell 6 is connected with the host shell 4 through the magnets, so that the password disk shell 6 and the host shell 4 are more convenient to connect and disassemble, the high-reliability vector sharing password fast-charging device is more convenient to carry, downward gravity of the password disk shell 6 is dispersed by utilizing the supporting force of the groove 5 when the high-reliability vector sharing password fast-charging device is inserted into an alternating current socket, and the high-reliability vector sharing password fast-charging device is stable in working. And an identification medium 7 is arranged on the outer side wall of the password disk shell 6, and the identification medium 7 is a two-dimensional code. The AC/DC conversion circuit 1 is arranged in a host shell 4, the DC/DC conversion circuit 2 is arranged in a password disk shell 6, the input end of the AC/DC conversion circuit 1 is connected with a 220V AC power grid, the output end of the AC/DC conversion circuit 1 is connected with the input end of the DC/DC conversion circuit 2 through an output lead, the output end of the DC/DC conversion circuit 2 is connected with an output head 3, the output end of the DC/DC conversion circuit 2 is used for rapidly charging a charged device through the output head 3, the output head 3 comprises an apple output head 31 capable of carrying out apple 2.4A and QC3.0 rapid charging protocols, a Type-C output head 32 capable of carrying out PD3.0 and QC4.0 charging protocol communication and a Mic5Pin output head 33 capable of carrying out QC4.0 charging protocol communication, and therefore, the high-reliability vector sharing password rapid charging is suitable for all mobile phones, and the application range of the high-reliability vector shared password quick charging is improved by charging part of tablet computers, part of digital cameras and the like. The Type-C output head 32 outputs 5V/3A, 9V/2A, 12V/1.5A or 15V/1.2A, and the Mic5Pin output head 33 outputs 5V/3A, 9V/2A or 12V/1.5A. The Type-C output head 32, the Mic5Pin output head 33 and the apple output head 31 can charge mobile phones, part of tablet computers, part of digital cameras and the like with corresponding interfaces, and can quickly charge the mobile phones and part of the tablet computers with the quick charging function.
The AC/DC conversion circuit 1 comprises an input rectification filter circuit 11, a first DC/DC conversion circuit 12 and a first DC/DC conversion control circuit 13, wherein an alternating current power grid is connected with an input end of the input rectification filter circuit 11 and serves as an input of the input rectification filter circuit 11, an output end of the input rectification filter circuit 11 is connected with an input end of the first DC/DC conversion circuit 12, the first DC/DC conversion control circuit 13 comprises a starting circuit, a control circuit and an output voltage control circuit, the starting circuit and the control circuit are connected to form a first half-section circuit, and the first half-section circuit is arranged between the input rectification filter circuit 11 and the first DC/DC conversion circuit 12;
the filter circuit consists of an electrolytic capacitor EC1, an inductor L1 and an electrolytic capacitor EC2, wherein the "+" and "-" poles of the electrolytic capacitor EC1 are respectively connected with the "+" and "-" poles of a rectifier bridge stack BD1, the front end of the inductor L1 and a starting circuit are both connected with the "+" pole of the electrolytic capacitor EC1, the rear end of the inductor L1 and the first DC/DC conversion circuit 12 are both connected with the "+" pole of the electrolytic capacitor EC2, the "-" pole of the electrolytic capacitor EC2 is connected with the "-" pole of the rectifier bridge stack BD1, and an input pin L is connected with the front end of the overload protection circuit F1; the rear end of the overload protection circuit F1 is connected with the front end of the over-temperature protection circuit RT 1; the rear end of the over-temperature protection circuit RT1 and the input pin N are both connected with the front end of the electromagnetic radiation and conducted disturbance suppression circuit LF 1; the rear end of the electromagnetic radiation and conduction disturbance suppression circuit LF1 is connected with the alternating current input end of the rectifier bridge stack BD1, and the plus and minus poles of the rectifier bridge stack BD1 are respectively connected with the positive pole and the negative pole of the filter circuit to form the input rectifier filter circuit 11. The bearing capacity and the temperature of the circuit can be monitored through the arrangement of the rear end of the overload protection circuit F1 and the over-temperature protection circuit RT1, the circuit can be protected in time when overload or over-temperature occurs, and the reliability of the high-reliability vector shared password quick charging in the embodiment is improved;
the input pin L and the input pin N are arranged on a face shell of a charger which is internally provided with a high-reliability vector sharing password for quick charging;
one end of a resistor R8, one end of a resistor R9, one end of a capacitor C3, one end of a capacitor CY1 and a 4# interface of a primary winding of a transformer T1A are all connected with a + pole of an electrolytic capacitor EC2, the other end of the resistor R8, the other end of a resistor R9 and the other end of a capacitor C3 are all connected with one end of a resistor R7, the other end of a resistor R7 is connected with a cathode of a diode D2, an anode of a diode D2 and a 3# interface of a primary winding of a transformer T1A are all connected with a drain of a switch circuit Q1, one end of a resistor R14 and one end of a resistor R15 are all connected with a source of a switch circuit Q1, the other end of a resistor R14 and the other end of a resistor R15 are grounded in parallel, the other end of a capacitor CY1 is grounded, one end of a capacitor C5, a pin # and a pin # of an integrated synchronous rectifier circuit U5 are all connected with a secondary interface A of the transformer T1 and the other end of the integrated rectifier circuit U5, the pin 5# of the integrated synchronous rectification circuit integrated chip U3 is connected with one end of a resistor R22, the other end of the resistor R22, the pin 1# and pin 6# and pin 7# and pin 8# of the integrated synchronous rectification circuit integrated chip U3, the anode of the output filter capacitor bank EC4 and the anode of the output filter capacitor bank EC5 are all connected with the anode of an output lead, the B # interface of the secondary winding of the transformer T1A, the anodes of the output filter capacitors EC4 and EC5 are all connected with the cathode of the output lead to form a first DC/DC conversion circuit 12, the anode of the output lead is connected with the output module 22, wherein, the integrated synchronous rectification circuit integrated chip U3, the resistor R22 and the capacitor C5 form an output rectification circuit, the output of the transformer T1A is converted into a stable direct current voltage, then, the voltage is supplied to the DC/DC conversion circuit 2 through output filter capacitors EC4 and EC5 and an output lead;
one end of the resistor R6 is connected with the positive pole of the electrolytic capacitor EC1, the other end of the resistor R6 is connected with one end of the resistor R5, the other end of the resistor R5 is connected with the No. 5pin of the chip U1 in the first half control circuit, and the resistor R5 and the resistor R6 form a starting circuit;
the front end of an auxiliary winding T1B of the transformer is grounded, one end of a resistor R1 and the anode of a diode D1 are connected with the rear end of the auxiliary winding T1B of the transformer, one end of a resistor R2 is grounded, the other end of the resistor R2 and the other end of the resistor R1 are connected with a pin # 3 of a chip U1, the cathode of a diode D1 is connected with one end of a resistor R3, the other end of a resistor R3 is connected with the collector of a triode Q2, one end of a resistor R4 and the + of an electrolytic capacitor EC3, the negative electrode of an electrolytic capacitor EC3, the anode of a regulator Z1, the 1# pin of the chip U1 at one end of the capacitor C1, the other end of the resistor R1 and the cathode of the regulator Z1 are connected with the base of the triode Q1, the emitter of the triode Q1 and the other end of the capacitor C1 are connected with the pin # 5 of the chip U1, one end of the resistor R1 is connected with one end of the pin # 366 of the chip U1, and the other end, The cathode of the diode D3 is connected, the anode of the diode D3, the other end of the resistor R12 and one end of the resistor R13 are all connected with the gate of the switch circuit Q1 in the first DC/DC conversion circuit 12, the # 4 pin of the chip U1 and one end of the resistor R11 are all connected with one end of the capacitor C4, the other end of the capacitor C4 is grounded, the collector of the phototransistor U2B in the optocoupler U2 and one end of the capacitor C2 are all connected with the # 2 pin of the chip U1, the emitter of the phototransistor U2B in the optocoupler U2 and the other end of the capacitor C2 are grounded in parallel, the other end of the resistor R13 and the other end of the resistor R11 are both connected with the source of the switch circuit Q1, so as to form a first half-section control circuit;
one end of a resistor R16 and one end of a resistor R21 are connected with a collector of a phototriode U2B in an optocoupler U2, an emitter of the phototriode U2B in the optocoupler U2 is connected with one end of a resistor R17, the other end of the resistor R17, the other end of the resistor R16, a cathode of a controllable precision voltage-stabilizing source U4, one end of a capacitor C6 and a cathode of a voltage-stabilizing tube Z2 are connected with one end of the capacitor C7, the other end of a capacitor C7 is connected with one end of a resistor R19, a control electrode of the controllable precision voltage-stabilizing source U4, the other end of the capacitor C6, one end of the resistor R18, one end of a resistor R23, the other end of a resistor R21 and the other end of a resistor R19 are connected with one end of a resistor R20, the other end of the resistor R20 is connected with a FBO pin on a second chip U1 in the output module 22 through an output voltage control wire in an output wire, and an output voltage control wire of an, the anode of the voltage regulator tube Z2, the anode of the controllable precise voltage regulator source U4, the other end of the resistor R18 and the other end of the resistor R23 are connected in parallel and grounded to form an output voltage control circuit;
one end of a switch S5 and one end of a second capacitor C1 are all grounded, the other end of a switch S5, one end of a second resistor R1 and the other end of a second capacitor C1 are all connected with a pin # 4 of a chip U2, a pin # 1 of the chip U2 and one end of a capacitor C2 are grounded in parallel, the other end of a capacitor C2, the other end of a second resistor R1, a pin # 20 of the chip U2 and one end of a second capacitor C3 are connected with a pin # 2 of the chip U3 after being connected in parallel, the other end of a second capacitor C3, a pin # 1 of the chip U3 and one end of a second capacitor C4 are grounded in parallel, the other end of the second capacitor C4 is connected with a pin # 3 of the chip U3, the chip U3 converts the output voltage of the AC/DC conversion circuit 1 into a 3.3V voltage and provides working voltage for the chip U2, and the capacitors C4 and C3 are input and output filter capacitors of the U3; the second capacitor C7 and the second resistor R9 are connected in parallel to form a first parallel circuit, the pin 8# of the chip U2 and one end of the second resistor R10 are connected with one end of the first parallel circuit, and the other end of the parallel circuit is grounded; the second resistor R2 is connected with the LED3 in series to form a first series circuit, one end of the first series circuit is connected with the 19# pin of the chip U2, the second resistor R3 is connected with the LED2 in series to form a second series circuit, one end of the second series circuit is connected with the 18# pin of the chip U2, the second resistor R4 is connected with the LED2 in series to form a third series circuit, one end of the third series circuit is connected with the 17# pin of the chip U2, and the other end of the first series circuit, the other end of the second series circuit and the other end of the third series circuit are connected with one another to form the MCU control circuit 21; the second capacitor C7, the second resistor R9 and the second resistor R10 form an output voltage sampling circuit; the 5# Pin, the 6# Pin and the 7# Pin on the chip U2 are respectively TYPE C _ IFB, APPLE _ IFB, MICR5P _ IFB, APPLE _ IFB and MICR5P _ IFB, TYPE C _ IFB is respectively a current sampling signal of an APPLE charging head, a Mic5Pin charging head and a TYPE-C output head, R7, R6 and R8 are respectively current sampling resistors of the APPLE charging head, the Mic5Pin charging head and the TYPE-C output head, the APPLE charging head, the Mic5Pin charging head, the TYPE-C output head is in one-to-one correspondence with the APPLE output head, the Mic5Pin output head and the TYPE-C output head; the key S1, the key S2, the key S3 and the key S4 form a password input keyboard 23, the key S1, the key S2, the key S3 and the key S4 are respectively connected with a 9# pin, a 10# pin, an 11# pin and a 12# pin of the chip U2, the password input keyboard 23 is used for unlocking password input of high-reliability vector fast charging, and the safety and the reliability of the high-reliability vector fast charging during use are improved;
as shown in fig. 3, the positive electrode of the output wire, one end of the second resistor R5, one end of the second capacitor C5, and one end of the second capacitor C6 are connected in parallel and then connected to the second chip U1, the other end of the second resistor R5 and one end of the second capacitor C2 are connected in parallel and then connected to the VDD Pin of the second chip U1, the other end of the second capacitor C2, the other end of the second capacitor C5, and the other end of the second capacitor C6 are grounded, the second capacitor C2, the second resistor R5, the second capacitor C5, the second capacitor C6, and the second chip U1 constitute the output module 22, and the second chip U1 is connected to the apple output head 31, the Type-C output head 32, and the Mic5Pin output head 33 through a wire harness.
The password input keyboard 23 is connected with the MCU control circuit 21, the output module 22 is connected with the output head 3 to form the DC/DC conversion circuit 2, the output module 22 reads a charging control protocol of equipment through the output head 3, the first DC/DC conversion circuit 12 and the output voltage control circuit are connected with the output module 22 through an output lead, the output module 22 is in communication connection with the MCU control circuit 21, and the work of the output module 22 is controlled by an instruction of the MCU control circuit 21.
As a preference of the embodiment, a depletion type N-channel insulated gate field effect transistor is adopted in the switching circuit Q1;
the output wire is a white wire with OD 3.5, wire core 0.16X 17X 2C + 0.16X 7X 1C AS 105 ℃ plus nylon length 1.3 m;
the LED1 is a red indicator light and is used for displaying the power-on state of the high-reliability vector sharing password quick charging;
the LED2 is a green indicator light for indicating whether the password input is successful;
the LED3 is a blue indicator light for displaying whether the high-reliability vector sharing password is charged quickly to enter a quick charging state, and the blue indicator light is turned on when the device with the quick charging function enters the quick charging state.
The second chip U1 in this embodiment is a control module composed of a sky FP6606A integrated circuit and its peripheral components; the chip U2 is soft-east HR7P 169B.
The method for using the high-reliability vector shared password fast charging described in this embodiment specifically includes the following steps:
The apple charging head is communicated with the mobile phone, reads a mobile phone charging protocol and determines whether the mobile phone charging parameters are according to 5V/1A common charging or 5V/2.4A quick charging; after being connected with the equipment to be charged, the Mic5Pin output head is respectively connected with a DPA (digital processing architecture) Pin and a DMA (direct memory access) Pin of an output module through a DP (data processing) Pin and a DM (data processing) Pin of the Mic5Pin output head and generates communication, the output module acquires a charging protocol of the equipment, and a FBO (fiber feedback loop) Pin of the output module sends out control parameters to enable an AC/DC (alternating current/direct current) circuit to automatically adjust output voltage so as to meet parameters (5V/3A, 9V/2A or 12V/1.5A) required by the charging of the; after the Type-C output head is connected with the equipment to be charged, the Type-C output head is respectively connected with the DPC, DMC and CC1 pins of the output module through DP, DM and CC pins of the Type-C output head and generates communication, the output module acquires a charging protocol of the equipment, and the FBO pin of the output module sends out control parameters to enable the AC/DC circuit to automatically adjust output voltage so as to meet parameters (5V/3A, 9V/2A, 12V/1.5A or 15V/1.2A) required by charging of the equipment to be charged.
The high-reliability vector sharing password fast charging device can be shared by different people for use in a scanning mode, the password is set to improve the safety before use, meanwhile, the protection setting of an overload protection circuit, an over-temperature protection circuit and the like effectively improves the stability and the reliability of the high-reliability vector sharing password fast charging use process, and meanwhile, the setting of the LED1, the LED2 and the LED3 enables the working state of the high-reliability vector sharing password fast charging device to be displayed through a more visual state.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept, and these should also be considered as within the protection scope of the present invention.
Claims (10)
1. A high-reliability vector sharing password fast charger is characterized by comprising a password disk shell (6), a host machine shell (4), an AC/DC conversion circuit (1), a DC/DC conversion circuit (2) and an output head (3),
the AC/DC conversion circuit (1) is installed in the main machine shell (4),
the DC/DC conversion circuit (2) is arranged in the password disk shell (6), the DC/DC conversion circuit (2) comprises a password input keyboard (23),
the input end of the AC/DC conversion circuit (1) is connected with an alternating current network,
the output end of the AC/DC conversion circuit (1) is connected with the input end of the DC/DC conversion circuit (2),
the output end of the DC/DC conversion circuit (2) is connected with the output head (3).
2. The high-reliability vector sharing password fast charging device as claimed in claim 1, wherein the outer side wall of the password disk shell (6) is provided with an identification medium (7), and the host shell (4) and the password disk shell (6) are detachably connected.
3. The high-reliability vector sharing password fast charging device as claimed in claim 2, wherein the top of the host housing (4) is provided with a groove (5) corresponding to the password disk housing (6), magnets are embedded on the top plate of the host housing (4) and the bottom plate of the password disk housing (6), and the password disk housing (6) and the host housing (4) can be attracted together through the magnets.
4. The high-reliability vector sharing password fast charging as claimed in claim 1, wherein the AC/DC conversion circuit (1) comprises an input rectification filter circuit (11), a first DC/DC conversion circuit (12), a first DC/DC conversion control circuit (13),
the alternating current power grid is connected with the input end of the input rectifying and filtering circuit (11), the output end of the input rectifying and filtering circuit (11) is connected with the input end of the first DC/DC conversion circuit (12), the first DC/DC conversion control circuit (13) comprises a starting circuit, a control circuit and an output voltage control circuit, the starting circuit and the control circuit are connected to form a first half circuit, the first half circuit is arranged between the input rectifying and filtering circuit (11) and the first DC/DC conversion circuit (12), and the first DC/DC conversion circuit (12) and the output voltage control circuit are connected with the DC/DC conversion circuit (2) through output leads.
5. The high reliability vector sharing cryptographic flash of claim 4,
the starting circuit is formed by connecting a resistor R5 and a resistor R6 in series;
the first half section of control circuit is composed of an auxiliary winding T1B of a transformer, a diode D1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, an electrolytic capacitor EC3, a triode Q2, a voltage regulator tube Z1, a capacitor C1, a chip U1, a phototriode U2B inside an optocoupler U2, a capacitor C2, a resistor R10, a diode D3, a resistor R12, a resistor R11, a resistor R13 and a capacitor C4;
the output voltage control circuit is composed of a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R23, a capacitor C6, a capacitor C7, a voltage regulator tube Z2, a controllable precision voltage regulator source U4 and a light emitting diode U2A in an optocoupler U2.
6. The high-reliability vector sharing password fast charging device as claimed in claim 4, wherein the DC/DC conversion circuit (2) comprises an MCU control circuit (21) and an output module (22), the MCU control circuit (21) is connected with the password input keyboard (23), the output module (22) is connected with the output head (3), the first DC/DC conversion circuit (12) and the output voltage control circuit are connected with the output module (22), and the output module (22) is in communication connection with the MCU control circuit (21).
7. The high-reliability vector sharing password fast charging as claimed in claim 6, wherein the MCU control circuit (21) comprises a program protection circuit, a chip U2, a second capacitor C2, a second capacitor C3, a third capacitor C4, a chip U3, a second resistor R2, a second resistor R3, a second resistor R4, an output voltage sampling circuit, an LED1, an LED2, and an LED3,
the program protection circuit comprises a switch S5, a second resistor R1 and a second capacitor C1;
the output voltage sampling circuit comprises a second capacitor C7, a second resistor R9 and a second resistor R10.
8. The high-reliability vector sharing password fast charging device as claimed in claim 1 or 6, wherein the password input keyboard (23) is composed of four keys, the four keys are respectively a key S1, a key S2, a key S3, a key S4, a key S1, a key S2, a key S3 and a key S4, and the upper surfaces of the keys penetrate out of the password disk housing (6).
9. The high-reliability vector sharing password fast charging method according to claim 1, wherein the output header (3) comprises an apple output header (31), a Type-C output header (32) and a Mic5Pin output header (33), the apple output header (31) can receive the fast charging protocol, the output module (22) can receive the PD3.0 and QC4.0 charging protocols through the Type-C output header (32), and the output module (22) can receive the QC4.0 charging protocols through the Mic5Pin output header (33).
10. The high-reliability vector sharing password fast charging method as claimed in claim 9, wherein the DP Pin and the DM Pin of the Mic5Pin output header (33) are respectively connected to the DPA Pin and the DMA Pin of the output module; DP, DM and CC pins of a Type-C output head (32) are respectively connected with DPC, DMC and CC1 pins of an output module.
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| CN110289666A (en) * | 2019-07-30 | 2019-09-27 | 深圳市龙威盛电子科技有限公司 | Highly reliable vector shares password fast charge |
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| CN110289666A (en) * | 2019-07-30 | 2019-09-27 | 深圳市龙威盛电子科技有限公司 | Highly reliable vector shares password fast charge |
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