CN107196369B - Multi-interface quick charging power supply - Google Patents
Multi-interface quick charging power supply Download PDFInfo
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- CN107196369B CN107196369B CN201710458191.XA CN201710458191A CN107196369B CN 107196369 B CN107196369 B CN 107196369B CN 201710458191 A CN201710458191 A CN 201710458191A CN 107196369 B CN107196369 B CN 107196369B
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- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000001131 transforming effect Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000006855 networking Effects 0.000 claims abstract description 3
- 230000009466 transformation Effects 0.000 claims description 40
- 239000003990 capacitor Substances 0.000 claims description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H02J7/0003—
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Abstract
The utility model provides a many interfaces quick charge power supply, includes the shell, accepts the battery in this shell and sets up input interface and output interface on the shell, output interface includes Micro USB interface, TYPE-C interface and Lightning interface, still includes main control module, charge-discharge circuit, detection circuitry, fills output circuit and wireless thing networking circuit soon, wherein: the wireless internet of things receives a wireless control signal to trigger the main control module to control the charge-discharge circuit and the fast charge output circuit to work; the charging and discharging circuit is used for transforming input voltage into the battery to charge, and transforming the input voltage to the Micro USB interface and/or the TYPE-C interface. The multi-interface quick charging power supply controls the work of the multi-interface quick charging power supply through wifi, and when a wireless control signal is received, the charging power supply can provide charging power for equipment to be charged.
Description
Technical Field
The invention belongs to the technical field of mobile power supplies, and particularly relates to a multi-interface quick charging power supply.
Background
At present, with the development of technology, more and more digital electronic products need to be charged by a power supply, and the power supply can be used for directly charging the digital electronic products or can be a power supply with a device for storing electric energy. The power supply can be called as a charger, a mobile power supply, a quick charging mobile power supply, a back clamp power supply, an external battery, a charging partner and the like, and is essentially an article for providing electric energy for digital electronic products.
The digital electronic products have the problems of non-uniform charging interfaces, non-uniform charging voltages and non-uniform charging protocols due to brands and functions. Thus, different digital electronic products need different power supplies, and great waste of resources is caused. Along with the development of network information and life rhythm, people use digital electronic products for longer and longer time and more frequency, so that the battery power consumption is high and the electric energy needs to be quickly supplemented.
Disclosure of Invention
The invention aims to provide a multi-interface quick charging power supply and aims to solve the problems of non-uniform charging interfaces, non-uniform charging voltages and non-uniform charging protocols in the traditional technical scheme.
The utility model provides a many interfaces quick charge power supply, includes the shell, accepts the battery in this shell and sets up input interface and output interface on the shell, output interface includes Micro USB interface, TYPE-C interface and Lightning interface, still includes main control module, charge-discharge circuit, detection circuitry, fills output circuit and wireless thing networking circuit soon, wherein:
the main control module is connected with the battery, the input interface, the output interface, the charge-discharge circuit, the detection circuit, the fast charge-output circuit and the wireless Internet of things circuit;
the wireless internet of things circuit is connected with the battery and is used for receiving a wireless control signal to trigger the main control module to control the charge and discharge circuit and the fast charge and discharge circuit to work;
the charging and discharging circuit is connected with the battery, the input interface and the output interface, and is used for transforming input voltage to charge the battery and transforming output of the battery to the Micro USB interface and/or the TYPE-C interface;
the detection circuit is connected with the battery, the input interface and the output interface and is used for detecting the electric quantity of the battery and the voltage and the current input and output by the charge-discharge circuit;
and the fast charge output circuit is connected with the battery and is used for outputting the battery to the Lightning interface for output in a variable voltage mode.
Preferably, the wireless internet of things circuit comprises a WIFI chip, a power supply unit and an indication unit, wherein:
the power supply unit is connected with the battery and the main control module and is used for supplying power to the WIFI chip;
the WIFI chip is provided with a communication port, a state port and a trigger port, wherein the communication port and the trigger port are both connected with the main control module, the WIFI chip receives the wireless control signal and outputs the trigger signal from the trigger port to the main control module, the communication port is used for receiving charging voltage current data and electric quantity data to upload in a wireless mode, the state port is connected with the indicating unit, and the indicating unit is controlled by the level of the state port to indicate the working state of the WIFI chip.
Preferably, the power supply unit includes a voltage stabilizing chip, an input filter capacitor and an output filter capacitor, wherein the input end of the voltage stabilizing chip is connected with the positive electrode of the battery and one end of the input filter capacitor, the other end of the input filter capacitor is grounded, the enabling end of the voltage stabilizing chip is connected with the first control end of the main control module, the output end of the voltage stabilizing chip is connected with one end of the output filter capacitor and the power port of the WIFI chip, and the other end of the output filter capacitor is grounded.
Preferably, the charge and discharge circuit includes a voltage transformation unit, an input unit, and an output unit, wherein:
the first end of the transformation unit is connected with the input unit and the output unit, the second end of the transformation unit is connected with the battery, and the transformation unit is controlled by the main control module to perform voltage conversion on the output and input power supply voltage;
the input unit is connected between the input interface and the transformation unit, and is controlled by the main control module to access a charging power supply of the input interface to the transformation unit;
the output unit is connected between the Micro USB interface, the TYPE-C interface and the transformation unit, and is controlled by the main control module to output the charging voltage output by the transformation unit to the Micro USB interface and the TYPE-C interface for output.
Preferably, the transforming unit includes a first switch chip, a second switch chip, a first diode, a second diode, and a first inductor, wherein:
the control end of the first switch chip is connected with a first PWM control end of the main control module; the input end of the first switch chip is used as a first end of the transformation unit to be connected with the first diode cathode, the input unit and the output unit, the output end of the first switch chip is used as a first end of the first inductor and the first diode anode, and the second end of the first inductor is used as a second end of the transformation unit to be connected with the anode of the battery;
the control end of the second switch chip is connected with the second PWM control end of the main control module; the input end of the second switch chip is grounded, the output end of the second switch chip is connected with the first end of the first inductor and the cathode of the second diode, and the anode of the second diode is grounded.
Preferably, the input unit includes a first switch module and a first switch control module; the input end of the first switch module is connected with the input interface, the output end of the first switch module is connected with the first end of the transformation unit, and the control end of the first switch module is connected with the first switch control module; the first switch control module is connected with the input interface and the second control end of the main control module and used for controlling the on-off of the first switch module.
Preferably, the output unit includes a second switch module and a second switch control module; the output end of the second switch module is connected with the Micro USB interface and the TYPE-C interface, the input end of the second switch module is connected with the first end of the transformation unit, and the control end of the second switch module is connected with the second switch control module; the second switch control module is connected with a third control end of the main control module and used for controlling the on-off of the second switch module.
Preferably, the detection circuit includes an input detection unit, a current detection unit, and a voltage detection unit, wherein:
the input detection unit is connected with the input interface and a second control end of the main control module, detects that the access state of the input interface is input to the main control module, and controls the charging and discharging circuit to work in a charging state when the charging is accessed;
the current detection unit is connected with the Micro USB interface and the TYPE-C interface, and is used for detecting discharge current and feeding the discharge current back to the main control module, and the main control module is used for controlling the on-off of the output unit according to the discharge current;
the voltage detection unit is connected with the second end of the transformation unit, the charge and discharge voltage is detected and fed back to the main control module, and the main control module controls the on-off of the input unit and the output unit or adjusts the discharge voltage according to the discharge voltage.
Preferably, the fast charging output circuit comprises a second inductor, a DC-DC chip, a feedback module and a filtering module, wherein:
the first end of the second inductor is connected with the positive electrode of the battery, the second end of the second inductor is connected with the input end of the DC-DC chip, and the enabling end of the DC-DC chip is connected with the fourth control end of the main control module; the output end of the DC-DC chip is connected with the Lightning interface, the output end of the DC-DC chip is connected with one end of the filtering module, the other end of the filtering module is grounded, the input end of the feedback module is connected with the output end of the DC-DC chip, and the output end of the feedback module is connected with the feedback end of the DC-DC chip.
Preferably, the battery protection circuit is connected with the anode and the cathode of the battery, and whether the battery protection circuit conducts the output loop is controlled according to the electric quantity of the battery.
The multi-interface quick charging power supply controls the work of the multi-interface quick charging power supply through wifi, and when a wireless control signal is received, the charging power supply can provide charging power for equipment to be charged, in addition, three interfaces including Micro USB, TYPE-C and Lightning can be provided, the interfaces of most mobile terminals on the market can be compatible, and the simple and quick charging requirements can be met. The intelligent protocol IC and the multi-interface output charging wire can provide an optimal charging scheme for various digital electronic products through the intelligent control circuit, and the phenomenon that the digital electronic products are damaged due to the fact that the charging speed is full due to the fact that the charging protocols are not matched and the charging interfaces are not matched and the digital electronic products cannot be charged is prevented.
Drawings
FIG. 1 is a schematic diagram of a multi-interface fast charging power supply according to the present invention;
FIG. 2 is a schematic diagram of a circuit structure of a multi-interface fast charging power supply according to the present invention;
fig. 3 is a schematic structural diagram of a wireless internet of things circuit in the multi-interface quick charging power supply shown in fig. 2;
FIG. 4 is an exemplary circuit schematic of a wireless Internet of things circuit in the multi-interface quick charge power supply shown in FIG. 2;
FIG. 5 is a schematic diagram of a charge/discharge circuit in the multi-interface fast charge power supply shown in FIG. 2;
FIG. 6 is a schematic diagram of an example circuit of a charge-discharge circuit in the multi-interface fast charge power supply shown in FIG. 2;
fig. 7 is a schematic diagram of a fast charging circuit in the multi-interface fast charging power supply shown in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, the multi-interface quick charge power supply includes a housing 1, a battery (not shown) accommodated in the housing, and an input interface 2 and an output interface 3 provided on the housing, wherein the output interface 3 includes a Micro USB interface 31, a TYPE-C interface 32 and a lighting interface 33. The input interface 2, i.e. the charging interface of the battery, is in contact mode, and provides electric energy for the power supply through contact.
Referring to fig. 2, the multi-interface fast charging power supply further includes a main control module 11, a wireless internet of things circuit 12, a charging and discharging circuit 13, a detecting circuit 14, a fast charging output circuit 15, and a battery protection circuit 16.
The main control module 11 is connected with the battery 4, the input interface 2, the output interface 3, the charge-discharge circuit 13, the detection circuit 14, the fast charge-output circuit 15 and the wireless internet of things circuit 12. The wireless internet of things circuit 12 is connected with the battery 4 and is used for receiving a wireless control signal to trigger the main control module 11 to control the charge-discharge circuit 13 and the fast charge-discharge circuit 15 to work, the charge-discharge circuit 13 is connected with the battery 4, the input interface 2 and the output interface 3 and is used for transforming the input voltage to charge the battery 4 and transforming the voltage of the battery 4 to output to the Micro USB interface and/or the TYPE-C interface; the detection circuit 14 is connected with the battery 4, the input interface 2 and the output interface 3 and is used for detecting the electric quantity of the battery 4 and the voltage and current input and output by the charge-discharge circuit 13; the fast charge output circuit 15 is connected with the battery 4, and is used for transforming output of the battery 4 to the lighting interface for output.
Specifically, the charging power supply of the present invention has an identification tag (such as a two-dimensional code), and is configured to send a wireless control signal to the charging power supply after paying by identifying the tag, and start the charging power supply to output electric energy at the output interface 3 to charge the mobile terminal of the user by using the wireless control signal. In addition, the main control module 11 is an intelligent protocol IC (Integrated Circuit ) compatible with FCP (huashi fast charge), QC (Quick Charge) 2.0.0, QC3.0, BC (Battery Charging Specification ) 1.2 scheme IC. The fast charge mode and the normal charge mode are supported to be simultaneously output. Multiple protection functions, overcharge prevention, overdischarge prevention, overvoltage prevention, overcurrent prevention, overpower prevention, short circuit prevention and high Wen Guanbi output are realized through the detection circuit 14.
The multi-interface quick charging power supply also comprises an intelligent recognition circuit which is arranged on the output interface to automatically judge the charging protocol of the digital electronic product, and the digital electronic product is charged by optimal voltage and current after handshake is successful. The fast charge voltage supports 3.6-12V output and the maximum current supports 3A. The normal output voltage is 5V and the maximum current is 2.4A. The output filter circuit is a smooth output voltage current curve, is used for quick charging and common charging, and is directly connected with the multi-interface output charging line.
In this embodiment, the wireless internet of things circuit 12 includes a WIFI chip 121, a power supply unit 122 and an indication unit 123. The power supply unit 122 is connected with the battery 4 and the main control module 11, and is used for supplying power to the WIFI chip 121.
The WIFI chip 121 is provided with a communication port IO13, a state port IO0 and a trigger port IO4, the communication port IO13 and the trigger port IO4 are connected with the main control module 11, the WIFI chip 121 receives an effective wireless control signal, outputs a trigger signal WIFI-ON from the trigger port IO4 to the main control module 11, the communication port IO13 is used for receiving charging voltage current data and electric quantity data WIFI-RX to upload in a wireless mode, the state port IO0 is connected with the indicating unit 123, and the indicating unit 123 is controlled by the level of the state port IO0 to indicate the working state of the WIFI chip.
Preferably, the power supply unit 122 includes a voltage stabilizing chip U3, an input filter capacitor C21 and output filter capacitors C22 and C23, wherein an input end of the voltage stabilizing chip U3 is connected to the positive electrode of the battery 4 and one end of the input filter capacitor C21, the other end of the input filter capacitor C21 is grounded, an enabling end of the voltage stabilizing chip U3 is connected to the first control end WIFI-EN of the main control module 11, an output end of the voltage stabilizing chip U3 is connected to one end of the output filter capacitors C22 and C23 and a power port of the WIFI chip 121, and the other ends of the output filter capacitors C22 and C23 are grounded.
The indication unit 123 includes a light emitting diode LED and a voltage dividing resistor R41, an anode of the light emitting diode LED is connected to a power supply 3.3V, and a cathode of the light emitting diode LED is connected to a status port IO0 of the WIFI chip 121 through the voltage dividing resistor R41, wherein the status port IO0 of the WIFI chip 121 is low-level and effective, and the light emitting diode LED is turned on.
The user logs in the APP through the mobile terminal, and the APP bottom layer calls the mobile terminal camera to identify the two-dimensional code information. And successfully acquiring the two-dimension code information and returning the calling equipment ID number. And the APP establishes connection with the payment system through an HTTP protocol, returns order data to a merchant background after successful payment, and the merchant successfully receives the order data and establishes connection with the Internet of things platform and sends the equipment ID number and the control time to the Internet of things platform. After the internet of things platform successfully receives the data, it establishes a connection with the wireless internet of things circuit 12 and forwards the start-up and control duration commands.
After the two-dimension code of the code is scanned, the wireless internet of things circuit 12 receives a command (namely an effective wireless control signal) that the payment is successful, the 10 th pin (trigger port IO 4) of the WIFI internet of things module gives a high-level WIFI-ON to the main control module 11, and after the main control module 11 receives the high level, the main control module respectively outputs control signals to the charging and discharging circuit 13, the detecting circuit 14 and the quick charging and outputting circuit 15 to realize output control.
Referring to fig. 5 and 6, the charge-discharge circuit 13 includes a transforming unit 131, an input unit 132, and an output unit 133.
The first end of the transformation unit 131 is connected with the input unit 132 and the output unit 133, the second end of the transformation unit 131 is connected with the battery 4, and the transformation unit 131 is controlled by the main control module 11 to perform voltage conversion on the output and input power supply voltage. The input unit 132 is connected between the input interface 2 and the transformation unit 131, and is controlled by the main control module 11 to access the charging power of the input interface 2 to the transformation unit 131, and the transformation unit 131 transforms the charging power to charge the battery 4. The output unit 133 is connected between the Micro USB interface 31, the TYPE-C interface 32, and the transformation unit 131, and is controlled by the main control module 11 to output the charging voltage output by the transformation unit 131 to the Micro USB interface 31 and the TYPE-C interface 32 for output.
Referring to fig. 6, the transforming unit 131 includes a first switch chip Q2, a second switch chip Q70, a first diode D1, a second diode D2, and a first inductor L1.
The control end of the first switch chip Q2 is connected with a first PWM control end OUTL of the main control module 11; the input end of the first switch chip Q2 is used as a first end of the transformation unit 131 to be connected with the cathode of the first diode D1, the input unit 132 and the output unit 133, the output end of the first switch chip Q2 is used as a first end of the first inductor L1 and the anode of the first diode D1, and the second end of the first inductor L1 is used as a second end of the transformation unit 131 to be connected with the anode of the battery 4;
the control end of the second switch chip Q70 is connected with a second PWM control end OUTH of the main control module 11; the input end of the second switch chip Q70 is grounded, the output end of the second switch chip Q70 is connected with the first end of the first inductor L1 and the cathode of the second diode D2, and the anode of the second diode D2 is grounded.
Referring to fig. 6, the input unit 132 includes a first switch module 1321 and a first switch control module 1322; the input end of the first switch module 1321 is connected with the input interface 2, the output end of the first switch module 1321 is connected with the first end of the transformation unit 131, and the control end of the first switch module 1321 is connected with the first switch control module 1322; the first switch control module 1322 is connected to the input interface 2 and the second control end DC-IN of the main control module 11, and controls the on-off of the first switch module 1321.
In this embodiment, the first switch module 1321 includes a PMOS transistor Q1, where the drain, the source, and the gate of the PMOS transistor Q1 are respectively used as the input terminal, the output terminal, and the control terminal of the first switch module 1321.
The first switch control module 1322 includes an NPN transistor Q3 and a voltage regulator Z2, the collector of the transistor Q3 is connected to the control end of the first switch module 1321, the emitter of the transistor Q3 is grounded, the base of the transistor Q3 is connected to the second control end DC-IN of the main control module 11 through a current limiting resistor R4, and is connected to the cathode of the voltage regulator Z2 IN parallel, and the anode of the voltage regulator Z2 is grounded.
Referring to fig. 6, the output unit 133 includes a second switch module 1331 and a second switch control module 1332; the output end of the second switch module 1331 is connected with the Micro USB interface 31 and the TYPE-C interface 32, the input end of the second switch module 1331 is connected with the first end of the transformation unit 131, and the control end of the second switch module 1331 is connected with the second switch control module 1332; the second switch control module 11 is connected with a third control end OUT-CTL of the main control module 11, and controls the on-off of the second switch module 1331.
In this embodiment, the second switch module 1331 includes two parallel PMOS transistors Q4 and Q8, where the drain, source and gate of the PMOS transistors are respectively used as the input end, output end and control end of the second switch module 1331, and may also be NMOS transistors in other embodiments.
The second switch control module 1332 includes an NPN transistor Q6, a collector of the transistor Q6 is connected to the control terminal of the second switch module 1331, an emitter of the transistor Q6 is grounded, and a base of the transistor Q6 is connected to the third control terminal OUT-CTL of the main control module 11 through a current limiting resistor R14.
Further, the charge-discharge circuit 13 further includes a filter energy storage unit 134, where the filter energy storage unit 134 includes three filter capacitors C2, C3, and C4 and an energy storage capacitor E1, one end of the three filter capacitors C2, C3, and C4 and one end of the energy storage capacitor E1 are connected to the first end of the transformer unit 131, and the other ends of the three filter capacitors C2, C3, and C4 and the other end of the energy storage capacitor E1 are grounded.
Referring to fig. 5 and 6, the detection circuit 14 includes an input detection unit 141, a current detection unit 142, and a voltage detection unit 143.
The input detection unit 141 is connected with the input interface 2 and the second control end of the main control module 11, detects that the access state of the input interface 2 is input to the main control module 11, and the main control module 11 controls the charge and discharge circuit 13 to work in a charge state when in charge access; the current detection unit 142 is connected with the Micro USB interface 31 and the TYPE-C interface 32, detects discharge current and feeds the discharge current back to the main control module 11, and the main control module 11 controls the on-off of the output unit 133 according to the discharge current; the voltage detection unit 143 is connected to the second end of the voltage transformation unit 131, and detects the charge-discharge voltage and feeds back the charge-discharge voltage to the main control module 11, and the main control module 11 controls the on-off of the input unit 132 and the output unit 133 or adjusts the discharge voltage according to the discharge voltage.
Specifically, the input detection unit 141, the current detection unit 142, and the voltage detection unit 143 are each constituted by a voltage dividing network. Further, after the input unit 132 is turned on by the second control terminal DC-IN of the main control module 11, the input detection unit 141 provides a control signal to the first switch control module 1322, and the input detection unit 141 provides a voltage and current detection signal for charging to the second control terminal DC-IN. Similarly, after the output unit 133 is turned on by the control of the third control terminal OUT-CTL of the main control module 11, the input detection unit 141 provides a control signal to the power source discharged and output from the transforming unit 131.
Referring to fig. 7, the fast charge output circuit 15 includes a second inductor L2, a DC-DC chip 151, a feedback module 152, and a filtering module 153.
The first end of the second inductor L2 is connected with the anode of the battery 4, the second end of the second inductor L is connected with the input end of the DC-DC chip 151, and the enabling end of the DC-DC chip 151 is connected with the fourth control end of the main control module 11; the output end of the DC-DC chip 151 is connected with the Lightning interface 33, the output end of the DC-DC chip 151 is connected with one end of the filtering module 153, the other end of the filtering module 153 is connected with the ground, the input end of the feedback module 152 is connected with the output end of the DC-DC chip 151, and the output end of the feedback module 152 is connected with the feedback end of the DC-DC chip 151.
Preferably, the battery protection circuit 16 is further included, the battery protection circuit 16 is connected with the anode and the cathode of the battery 4, and whether the battery 4 conducts the output loop or not is controlled according to the electric quantity of the battery 4.
The multi-interface quick charging power supply controls the work of the multi-interface quick charging power supply through wifi, and when a wireless control signal is received, the charging power supply can provide charging power for equipment to be charged, in addition, three interfaces including Micro USB, TYPE-C and Lightning can be provided, the interfaces of most mobile terminals on the market can be compatible, and the simple and quick charging requirements can be met.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a many interfaces quick charge power supply, includes the shell, accepts the battery in this shell and sets up input interface and output interface on the shell, output interface includes Micro USB interface, TYPE-C interface and Lightning interface, its characterized in that still includes main control module, charge-discharge circuit, detection circuitry, fills output circuit and wireless thing networking circuit soon, wherein:
the main control module is connected with the battery, the input interface, the output interface, the charge-discharge circuit, the detection circuit, the fast charge-output circuit and the wireless Internet of things circuit;
the wireless internet of things circuit is connected with the battery and is used for receiving a wireless control signal to trigger the main control module to control the charge and discharge circuit and the fast charge and discharge circuit to work;
the charging and discharging circuit is connected with the battery, the input interface and the output interface, and is used for transforming input voltage to charge the battery and transforming output of the battery to the Micro USB interface and/or the TYPE-C interface;
the detection circuit is connected with the battery, the input interface and the output interface and is used for detecting the electric quantity of the battery and the voltage and the current input and output by the charge-discharge circuit;
the fast charge output circuit is connected with the battery and is used for outputting the battery to the Lightning interface for output in a variable voltage mode;
the multi-interface quick charging power supply is provided with an identification tag, and the identification tag is used for issuing a wireless control signal through the server after payment.
2. The multi-interface rapid charging power supply of claim 1, wherein the wireless internet of things circuit comprises a WIFI chip, a power supply unit, and an indication unit, wherein:
the power supply unit is connected with the battery and the main control module and is used for supplying power to the WIFI chip;
the WIFI chip is provided with a communication port, a state port and a trigger port, wherein the communication port and the trigger port are both connected with the main control module, the WIFI chip receives the wireless control signal and outputs the trigger signal from the trigger port to the main control module, the communication port is used for receiving charging voltage current data and electric quantity data to upload in a wireless mode, the state port is connected with the indicating unit, and the indicating unit is controlled by the level of the state port to indicate the working state of the WIFI chip.
3. The multi-interface rapid charging power supply of claim 2, wherein the power supply unit comprises a voltage stabilizing chip, an input filter capacitor and an output filter capacitor, the input end of the voltage stabilizing chip is connected with the positive electrode of the battery and one end of the input filter capacitor, the other end of the input filter capacitor is grounded, the enabling end of the voltage stabilizing chip is connected with the first control end of the main control module, the output end of the voltage stabilizing chip is connected with one end of the output filter capacitor and the power port of the WIFI chip, and the other end of the output filter capacitor is grounded.
4. The multi-interface rapid charging power supply of claim 1, wherein the charging and discharging circuit comprises a voltage transformation unit, an input unit, and an output unit, wherein:
the first end of the transformation unit is connected with the input unit and the output unit, the second end of the transformation unit is connected with the battery, and the transformation unit is controlled by the main control module to perform voltage conversion on the output and input power supply voltage;
the input unit is connected between the input interface and the transformation unit, and is controlled by the main control module to access a charging power supply of the input interface to the transformation unit;
the output unit is connected between the Micro USB interface, the TYPE-C interface and the transformation unit, and is controlled by the main control module to output the charging voltage output by the transformation unit to the Micro USB interface and the TYPE-C interface for output.
5. The multi-interface quick charge power supply of claim 4, wherein the voltage transformation unit comprises a first switch chip, a second switch chip, a first diode, a second diode, and a first inductor, wherein:
the control end of the first switch chip is connected with a first PWM control end of the main control module; the input end of the first switch chip is used as a first end of the transformation unit to be connected with the first diode cathode, the input unit and the output unit, the output end of the first switch chip is used as a first end of the first inductor and the first diode anode, and the second end of the first inductor is used as a second end of the transformation unit to be connected with the anode of the battery;
the control end of the second switch chip is connected with the second PWM control end of the main control module; the input end of the second switch chip is grounded, the output end of the second switch chip is connected with the first end of the first inductor and the cathode of the second diode, and the anode of the second diode is grounded.
6. The multi-interface quick charge power supply of claim 4, wherein the input unit comprises a first switch module and a first switch control module; the input end of the first switch module is connected with the input interface, the output end of the first switch module is connected with the first end of the transformation unit, and the control end of the first switch module is connected with the first switch control module; the first switch control module is connected with the input interface and the second control end of the main control module and used for controlling the on-off of the first switch module.
7. The multi-interface quick charge power supply of claim 4, wherein the output unit comprises a second switch module and a second switch control module; the output end of the second switch module is connected with the Micro USB interface and the TYPE-C interface, the input end of the second switch module is connected with the first end of the transformation unit, and the control end of the second switch module is connected with the second switch control module; the second switch control module is connected with a third control end of the main control module and used for controlling the on-off of the second switch module.
8. The multi-interface quick charge power supply according to any one of claims 4 to 7, wherein the detection circuit comprises an input detection unit, a current detection unit, and a voltage detection unit, wherein:
the input detection unit is connected with the input interface and a second control end of the main control module, detects that the access state of the input interface is input to the main control module, and controls the charging and discharging circuit to work in a charging state when the charging is accessed;
the current detection unit is connected with the Micro USB interface and the TYPE-C interface, and is used for detecting discharge current and feeding the discharge current back to the main control module, and the main control module is used for controlling the on-off of the output unit according to the discharge current;
the voltage detection unit is connected with the second end of the transformation unit, the charge and discharge voltage is detected and fed back to the main control module, and the main control module controls the on-off of the input unit and the output unit or adjusts the discharge voltage according to the discharge voltage.
9. The multi-interface fast charge power supply of claim 1, wherein the fast charge output circuit comprises a second inductor, a DC-DC chip, a feedback module, and a filtering module, wherein:
the first end of the second inductor is connected with the positive electrode of the battery, the second end of the second inductor is connected with the input end of the DC-DC chip, and the enabling end of the DC-DC chip is connected with the fourth control end of the main control module; the output end of the DC-DC chip is connected with the Lightning interface, the output end of the DC-DC chip is connected with one end of the filtering module, the other end of the filtering module is grounded, the input end of the feedback module is connected with the output end of the DC-DC chip, and the output end of the feedback module is connected with the feedback end of the DC-DC chip.
10. The multi-interface quick charge power supply of claim 1, further comprising a battery protection circuit connected to the positive and negative poles of the battery for controlling whether to turn on the output circuit based on the battery charge.
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| CN107994627B (en) * | 2017-09-28 | 2020-10-23 | 珠海智融科技有限公司 | Mobile power supply control device based on TypeC protocol and PD protocol |
| CN107863809A (en) * | 2017-12-12 | 2018-03-30 | 深圳市天福荣科技有限公司 | Wired and wireless charging equipment |
| CN108227587A (en) * | 2018-01-19 | 2018-06-29 | 广州市品众电子科技有限公司 | A kind of multi-port terminal maps activator appliance |
| CN108599343A (en) * | 2018-07-27 | 2018-09-28 | 四川大学 | A kind of Multifunctional portable power source |
| CN110233512A (en) * | 2019-07-16 | 2019-09-13 | 深圳市龙威盛电子科技有限公司 | The quick power supply of multithreading |
| CN110611349A (en) * | 2019-09-24 | 2019-12-24 | 深圳睿蚁科技有限公司 | Multifunctional portable charger |
| CN211239356U (en) * | 2019-10-21 | 2020-08-11 | 冯晖中 | Vehicle-mounted charging device |
| CN110957791A (en) * | 2019-12-25 | 2020-04-03 | 联想(北京)有限公司 | Electronic device and charging method |
| CN112199311B (en) * | 2020-09-25 | 2021-07-23 | 深圳市诚芯微科技有限公司 | Multi-channel power supply and data transmission switching circuit and data line |
| WO2023050177A1 (en) * | 2021-09-29 | 2023-04-06 | 深圳市华思旭科技有限公司 | Mobile power supply apparatus, electric device, and electric system |
| CN114706801B (en) * | 2022-06-06 | 2022-08-26 | 深圳英集芯科技股份有限公司 | USB output path switching circuit and device |
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