CN114726041A - One-to-many data charging line and charging control method - Google Patents
One-to-many data charging line and charging control method Download PDFInfo
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- CN114726041A CN114726041A CN202210385035.6A CN202210385035A CN114726041A CN 114726041 A CN114726041 A CN 114726041A CN 202210385035 A CN202210385035 A CN 202210385035A CN 114726041 A CN114726041 A CN 114726041A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00045—Authentication, i.e. circuits for checking compatibility between one component, e.g. a battery or a battery charger, and another component, e.g. a power source
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the field of charging wires, and discloses a one-drag-multiple-data charging wire, which comprises: the intelligent control system comprises an input connector, data lines, a power line, a central control board and N output connectors, wherein the data lines are used for transmitting data input by the input connector; the power line is used for transmitting current and voltage input by the input connector; the central control board is used for adjusting the current and the voltage transmitted by the data lines according to the number of equipment, the required current and the required voltage, outputting the adjusted current and voltage and transmitting the data transmitted by the data lines according to the requirements of users; the N output connectors are used for transmitting the regulated current, the regulated voltage and the regulated data to the powered device. The invention also provides a charging control method. The invention can solve the problem that the voltage or current can not be intelligently distributed during charging.
Description
Technical Field
The invention relates to the field of charging wires, in particular to a one-to-many data charging wire and a charging control method.
Background
The popularization of intelligent terminals such as smart phones and tablet computers brings convenience to people's life, but along with the rapid improvement of the performance of the intelligent terminals, the cruising ability becomes the bottleneck of the intelligent terminals more and more, the quick charging technology takes place, after the quick charging technology is used, the degree of ordinary charging for about one hour can be achieved only by the charging process of dozens of minutes, the charging efficiency is greatly improved, and the user can charge the mobile phone in the fragmentary time.
However, in the current one-drive-multiple charging mode, the situation that multiple devices are charged simultaneously and quickly can not be realized, when a first intelligent terminal is in a quick charging state and is continuously connected to a second intelligent terminal, the charging line is in a high-voltage output state, the high-voltage output often causes damage to the second intelligent terminal, and therefore intelligent voltage or current distribution can not be realized in the current one-drive-multiple charging mode.
Disclosure of Invention
The invention provides a multi-data charging wire and a data charging wire, and mainly aims to solve the problem that voltage or current cannot be intelligently distributed during charging.
In order to achieve the above object, the present invention provides a multi-data charging cable, including:
the device comprises an input connector, a data line, a power line, a central control board and N output connectors; wherein:
the input connector is connected with the central control board and the charging equipment and is used for receiving current, voltage and data output by the charging equipment;
the data line is used for transmitting data input by the input connector;
the power line is used for transmitting current and voltage input by the input connector;
the central control board is connected with the input connector and the N output connectors, and is used for receiving data, current and voltage transmitted by the data line and the power line, acquiring user requirements, required current and voltage of powered equipment, detecting the number of the equipment connected with the output connectors, adjusting the current and voltage transmitted by the data line according to the number of the equipment and the required current and voltage, outputting adjusted current and voltage, and transmitting the data transmitted by the data line according to the user requirements;
the N output connectors are connected with the powered device and the central control board and used for transmitting data of the data communication loop which is used for adjusting the current and the voltage and is conducted to the powered device, wherein N is an integer larger than or equal to 1.
Optionally, the center control panel includes: main control chip module, charge management module and on-off control module, wherein:
the main control chip module is connected with the charging management module and the switch control circuit and is used for controlling the charging management module and the switch control circuit;
the charging management module is connected with the main control chip module, the charging equipment and the powered equipment and is used for detecting the number of equipment connected with the output connector, controlling the charging equipment to output current and voltage according to the required current and voltage and outputting adjusted current and voltage when detecting that the number of equipment connected with the output connector is one, controlling the output voltage of the charging equipment to be a preset rated voltage when detecting that the number of equipment connected with the output connector is at least two, and adjusting the output current and voltage of the charging equipment by using a preset quick charging protocol according to the required current and voltage and outputting adjusted current and voltage;
the switch control module is connected with the main control chip module and the powered device and used for acquiring user requirements and controlling the data communication loop to be connected or disconnected according to the user requirements.
Optionally, the charging management module includes: adapter voltage control unit, power control unit and load detection unit, wherein:
the adapter voltage control unit is connected with the input connector, the main control chip module and the switch control circuit and is used for receiving data, current and voltage transmitted by the data line, dynamically adjusting the output current and voltage of the charging equipment according to the required current and voltage when detecting that the number of the output connector connecting equipment is one, and controlling the output voltage of the charging equipment to be 5V of the voltage received by the power receiving equipment when detecting that the number of the output connector connecting equipment is at least two;
the power supply control unit is connected with the main control chip module, the load detection unit and the powered device and used for adjusting current and voltage according to the control signal output by the main control chip module and outputting the adjusted current and voltage;
the load detection unit is connected with the main control chip module, the power control unit and the powered device and used for detecting the quantity of the output connector connecting devices and the current of a charging loop of the powered device.
Optionally, a power switch unit and a data switch unit, wherein:
the power switch unit is used for controlling the conduction or the disconnection of the charging loop through a control signal of the main control chip module and the current of the charging loop;
the data switch unit is used for controlling the data communication loop to be connected or disconnected according to the user requirement, when the user requirement is detected to be data transmission, the charging and data communication loop is opened, and when the user requirement is detected to be charging, the charging loop is opened.
Optionally, the charging management module further includes an overcurrent protection circuit, and the input connector is connected to the N output connectors through the overcurrent protection circuit, respectively.
Optionally, the main control chip module is a programmable IC main control, and realizes free control over the switch control circuit and the charging management module.
In order to solve the above problem, the present invention further provides a charging control method, including:
receiving current, voltage and data output by charging equipment, and acquiring user requirements, required current and voltage of the powered equipment;
detecting the number of devices connected with the output connector;
when the number of the output connector connecting equipment is detected to be one, controlling the charging equipment to output current and voltage according to the required current and voltage, and outputting regulated current and voltage;
when the number of the output connector connecting devices is detected to be at least two, controlling the output voltage of the charging device to be a preset rated voltage, adjusting the output current and voltage of the charging device by using a preset quick charging protocol according to the required current and voltage, and outputting the adjusted current and voltage;
and controlling the conduction state of a data communication loop according to the user requirement, and transmitting the data of the data communication loop with the current and voltage adjusted and conducted to the power receiving equipment.
According to the embodiment of the invention, the number of the devices connected with the connector is detected, the current and the voltage transmitted by the data line are adjusted according to the number of the devices and the required current and voltage, the adjusted current and voltage are output, the data transmitted by the data line are transmitted according to the user requirements, the number of the loads can be intelligently detected, the current and the voltage are dynamically adjusted according to the number of the different loads and the current and voltage required by the power receiving device, the voltage and the current are ensured not to exceed the maximum output power of the charging device, and the current or the voltage can be automatically distributed according to the requirements of the different power receiving devices. Therefore, the multi-data charging line and the charging control method provided by the invention can solve the problem that the voltage or current cannot be intelligently distributed during charging.
Drawings
Fig. 1 is a schematic diagram of a structure of a multi-data charging cable according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a center control panel according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a charging control method according to an embodiment of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It is to be noted that the terms "comprises" and "comprising" and any variations thereof in the embodiments and drawings of the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic structural diagram of a multi-data charging cable according to an embodiment of the present invention. In this embodiment, the one-to-many data charging cable 10 includes:
an input connector 11, data lines (D +, D-), power lines (V +, V-), a central control board 12 and N output connectors 13; wherein:
in one embodiment of the invention, the functions of the components are as follows:
the input connector 11: and the central control board is connected with the charging equipment and is used for receiving the current, the voltage and the data output by the charging equipment.
In the embodiment of the present invention, the charging device may be a charger or an electronic device with a charging function.
In an embodiment of the present invention, the input connector is preferably a conventional TYPEC female socket or a TYPEC female socket conforming to super fast charging, or other interface female sockets capable of performing power transmission and data transmission.
The data line (D +, D-): for transmitting data input by said input connector.
In the embodiment of the invention, the data line comprises a D + line and a D-line, so that effective transmission of data is realized, handshake communication is preferably a mutual transmission process of 5V handshake signals of the charger and the powered device, which is a premise that the charger with the quick charging function performs quick charging, and a data communication loop is established.
In the embodiment of the invention, when the corresponding data communication loop is conducted, data transmission can be carried out through the data communication loop, namely, the data transmission between the computer and the mobile terminal is realized.
The power supply line (V +, V-): for transmitting the current and voltage input by the input connector.
In the embodiment of the invention, the power line comprises a V + line and a V-line, and a plurality of charging loops are constructed.
The central control board 12: the power line is connected with the input connector and the output connector, and is used for receiving data, current and voltage transmitted by the data line and the power line, acquiring user requirements, required current and voltage of powered equipment, detecting the quantity of the equipment connected with the output connector, adjusting the current and voltage transmitted by the data line according to the quantity of the equipment and the required current and voltage, outputting and adjusting the current and voltage, and transmitting the data transmitted by the data line according to the user requirements.
In detail, referring to fig. 2, the center control panel 12 includes:
the main control chip module 121 is connected to the charging management module and the switch control circuit, and is configured to control the charging management module and the switch control circuit;
the charging management module 122 is connected with the main control chip module, the charging device and the powered device, and is configured to detect the number of the output connector connection devices, control the charging device to output current and voltage according to the required current and voltage when detecting that the number of the output connector connection devices is one, and output an adjusted current and voltage, control the output voltage of the charging device to be a preset rated voltage when detecting that the number of the output connector connection devices is at least two, adjust the output current and voltage of the charging device according to the required current and voltage by using a preset fast charging protocol, and output the adjusted current and voltage;
and the switch control module 123 is connected with the main control chip module and the powered device, and is configured to acquire a user requirement and control the data communication loop to be switched on or off according to the user requirement.
In the embodiment of the invention, the main control chip module is a programmable IC main control module, and the switch control circuit and the charging management module are freely controlled.
In the embodiment of the invention, the preset quick charging protocol can be a PD protocol or a BC1.2 protocol, wherein the PD protocol is a power transmission protocol published by a USB-IF organization, and a type-c interface of the current default maximum power of 5V/2A is improved to 100W; the BC1.2 protocol is a protocol established by a BC (Battery charging) group under the USB-IF, is mainly used for regulating the requirement of battery charging, and currently outputs 5V/1.5A at maximum.
Further, the charging management module 122 includes:
the adapter voltage control unit, with the input connector, main control chip module reaches the on-off control circuit for receive data, electric current and voltage that the data line transmitted, when detecting output connector connecting device quantity is one, according to demand electric current and voltage dynamic adjustment battery charging outfit output current and voltage, when detecting output connector connecting device quantity is two at least, control battery charging outfit's output voltage does the powered device accepts voltage 5V.
The power supply control unit is connected with the main control chip module, the load detection unit and the powered device and used for adjusting current and voltage according to the control signal output by the main control chip module and outputting the adjusted current and voltage;
and the load detection unit is connected with the main control chip module, the power supply control unit and the powered device and is used for detecting the quantity of the output connector connecting devices and the current magnitude of a charging loop of the powered device.
In the embodiment of the invention, the number of the power supply control units and the number of the load detection units are the same as the number of the output connectors.
In the embodiment of the invention, the current of the charging loop of the powered device is detected by using the detection resistor connected to the power supply loop in series, the main control unit judges the state of the charging loop according to the voltage value of the detection resistor, and the main control chip module controls the on-off switch to cut off all or corresponding charging loops when detecting the current variation.
In the embodiment of the invention, the current and the voltage are dynamically adjusted according to the different load quantities and the current and the voltage required by the power receiving equipment, the voltage and the current are ensured not to exceed the maximum output power of the charging equipment, and the current or the voltage can be automatically distributed according to the requirements of the different power receiving equipment.
Further, the switch control module 123 includes:
the power switch unit is used for controlling the conduction or the disconnection of the charging loop through a control signal of the main control chip module and the current of the charging loop;
and the data switch unit is used for controlling the data communication loop to be switched on or switched off according to the user requirement, opening the charging and data communication loop when detecting that the user requirement is data transmission, and opening the charging loop when detecting that the user requirement is charging.
In the embodiment of the present invention, the main control chip module 121 switches on and off the charging circuit through the power switch, and the power transmission pins of the input connector 11 are respectively connected to the power transmission pins of the output connectors 13 to form a charging circuit, that is, electric energy is output to the output connectors 13 through the input connector 11, if handshake communication is established between the input connector and the output connectors, a fast charging operation can be performed, and if handshake communication is not established, a normal charging operation is performed.
In one embodiment of the present invention, the main control chip module 121 may obtain the current state of the charging loop according to the load detection unit, and when the current variation is detected (for example, when at least two detected current variations are detected), control all or corresponding power switches to be turned off to disconnect the charging loop, so as to prevent other output connectors 13 from being short-circuited due to various reasons, thereby preventing accidents from occurring; also can prevent when two equipment from switching in simultaneously, prevent that short-lived quick filling simultaneously from burning out corresponding equipment, can specifically carry out the function selection according to the variation numerical value of measuring current, set for different variation numerical value promptly, if the variation numerical value accords with a certain numerical range, think it by the short circuit, need cut off each charging circuit.
In the embodiment of the invention, when the number of the output connector connecting devices is detected to be at least two, the output voltage of the charging device is controlled to be 5V of the voltage received by the power receiving device, so that the second intelligent terminal is prevented from being damaged due to overvoltage when the load is increased and the charging line is in a high-voltage output state.
In the embodiment of the present invention, the charging management module further includes an overcurrent protection circuit, and the input connector is connected to the N output connectors through the overcurrent protection circuit, respectively.
In the embodiment of the present invention, the input connector 11 is connected to the N output connectors 13 through an overcurrent protection circuit. The electric power of the input connector 11 is output from the N output connectors 13 through a current protection circuit to perform current protection. And the charging management device further comprises a voltage stabilizing circuit, the voltage stabilizing circuit is respectively connected with the input connector 11 and the central control board 12, and the electric energy of the input connector 11 is subjected to voltage stabilization by the voltage stabilizing circuit and then supplies power to the central control board 12, so that stable electric energy is provided, and the stability of the central control board 12 is improved.
Preferably, the electric energy input into the connector 11 can also pass through an overcurrent protection circuit and a voltage stabilizing circuit to supply power to the central control panel 12.
The N output connectors 13: and the power receiving equipment is connected with the central control board and used for transmitting the data of the data communication loop which is used for adjusting the current and the voltage and is conducted to the power receiving equipment, wherein N is an integer which is more than or equal to 1.
In the embodiment of the invention, the output connector is suitable for an intelligent terminal of an android system and/or an apple system, and the connectors including but not limited to Micro USB, Type-C and/or Lightning can be Type-C interface circuits: the power supply output interface is mainly a power supply demand output interface of a mobile phone, a flat panel and the like.
In the embodiment of the invention, the N output connectors are integers which are more than or equal to 1, for example, the number of the output connectors is three, and the three output connectors comprise type-c interfaces, micro interfaces and apple interfaces; or, the device comprises an apple interface and two android interfaces; or, two apple interfaces and one android interface are included.
According to the embodiment of the invention, the number of the devices connected with the connector is detected through the central control board, the current and the voltage transmitted by the data line are adjusted according to the number of the devices and the required current and voltage, the adjusted current and voltage are output, the data transmitted by the data line are transmitted according to the user requirements, the number of the loads can be intelligently detected, the current and the voltage are dynamically adjusted according to the different numbers of the loads and the current and voltage required by the power receiving device, the voltage and the current are ensured not to exceed the maximum output power of the charging device, and the current or the voltage can be automatically distributed according to the requirements of the different power receiving devices. Therefore, the multi-data charging wire provided by the invention can solve the problem that the voltage or current cannot be intelligently distributed during charging.
In another embodiment of the present invention, referring to fig. 3, a charging control method is provided, including:
s1, receiving the current, the voltage and the data output by the charging equipment, and acquiring the user demand, the demanded current and the demanded voltage of the power receiving equipment;
s2, detecting the number of devices connected with the output connector, and judging whether the number of the devices is more than 1;
when detecting that the number of the output connector connecting devices is one, S3, controlling the charging device to output current and voltage according to the required current and voltage, and outputting adjusted current and voltage;
when detecting that the number of the output connector connecting devices is at least two, S4, controlling the output voltage of the charging device to be a preset rated voltage, adjusting the output current and voltage of the charging device by using a preset quick charging protocol according to the required current and voltage, and outputting the adjusted current and voltage;
and S5, controlling the conduction state of a data communication loop according to the user requirements, and transmitting the data of the current and voltage regulation and the conducted data communication loop to the power receiving equipment.
In the several embodiments provided in the present invention, it should be understood that the disclosed products and methods may be implemented in other ways. For example, the above-described embodiments are merely illustrative, and for example, the division of the unit is only one logical functional division, and there may be other divisions when the actual implementation is performed.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
It is to be understood that the described embodiments are for purposes of illustration only and that the scope of the appended claims is not limited to such structures.
Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the system claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. A one drags many data charging wire, characterized in that, a drags many data charging wire includes:
the device comprises an input connector, a data line, a power line, a central control board and N output connectors; wherein:
the input connector is connected with the central control board and the charging equipment and is used for receiving current, voltage and data output by the charging equipment;
the data line is used for transmitting data input by the input connector;
the power line is used for transmitting current and voltage input by the input connector;
the central control board is connected with the input connector and the N output connectors, and is used for receiving data, current and voltage transmitted by the data line and the power line, acquiring user requirements, required current and voltage of powered equipment, detecting the number of the equipment connected with the output connectors, adjusting the current and voltage transmitted by the data line according to the number of the equipment and the required current and voltage, outputting adjusted current and voltage, and transmitting the data transmitted by the data line according to the user requirements;
the N output connectors are connected with the powered device and the central control board and used for transmitting data of the data communication loop which is used for adjusting the current and the voltage and is conducted to the powered device, wherein N is an integer larger than or equal to 1.
2. The multi-data charging cable of claim 1, wherein the center control panel comprises: main control chip module, charge management module and on-off control module, wherein:
the main control chip module is connected with the charging management module and the switch control circuit and is used for controlling the charging management module and the switch control circuit;
the charging management module is connected with the main control chip module, the charging equipment and the powered equipment and is used for detecting the number of equipment connected with the output connector, controlling the charging equipment to output current and voltage according to the required current and voltage and outputting adjusted current and voltage when detecting that the number of equipment connected with the output connector is one, controlling the output voltage of the charging equipment to be a preset rated voltage when detecting that the number of equipment connected with the output connector is at least two, and adjusting the output current and voltage of the charging equipment by using a preset quick charging protocol according to the required current and voltage and outputting adjusted current and voltage;
the switch control module is connected with the main control chip module and the powered device and used for acquiring user requirements and controlling the data communication loop to be connected or disconnected according to the user requirements.
3. The multi-data charging cable of claim 2, wherein the charging management module comprises: adapter voltage control unit, power control unit and load detection unit, wherein:
the adapter voltage control unit is connected with the input connector, the main control chip module and the switch control circuit and is used for receiving data, current and voltage transmitted by the data line, dynamically adjusting the output current and voltage of the charging equipment according to the required current and voltage when detecting that the number of the output connector connecting equipment is one, and controlling the output voltage of the charging equipment to be 5V accepted voltage by the powered equipment when detecting that the number of the output connector connecting equipment is at least two;
the power supply control unit is connected with the main control chip module, the load detection unit and the powered device and used for adjusting current and voltage according to the control signal output by the main control chip module and outputting the adjusted current and voltage;
the load detection unit is connected with the main control chip module, the power control unit and the powered device and used for detecting the quantity of the output connector connecting devices and the current of a charging loop of the powered device.
4. The multi-data charging cable of claim 2, wherein the switch control module comprises: power switch unit and data switch unit, wherein:
the power switch unit is used for controlling the conduction or the disconnection of the charging loop through a control signal of the main control chip module and the current of the charging loop;
the data switch unit is used for controlling the data communication loop to be connected or disconnected according to the user requirement, when the user requirement is detected to be data transmission, the charging and data communication loop is opened, and when the user requirement is detected to be charging, the charging loop is opened.
5. The multi-data charging cable according to claim 2, wherein the charging management module further comprises an over-current protection circuit, and the input connector is connected to the N output connectors through the over-current protection circuit, respectively.
6. The multi-data charging cable according to claim 2, wherein the main control chip module is a programmable IC main control, and the switch control circuit and the charging management module are freely controlled.
7. A charge control method, characterized in that the method comprises:
receiving current, voltage and data output by charging equipment, and acquiring user requirements, required current and voltage of the powered equipment;
detecting the number of devices connected with the output connector;
when the number of the output connector connecting equipment is detected to be one, controlling the charging equipment to output current and voltage according to the required current and voltage, and outputting regulated current and voltage;
when the number of the output connector connecting devices is detected to be at least two, controlling the output voltage of the charging device to be a preset rated voltage, adjusting the output current and voltage of the charging device by using a preset quick charging protocol according to the required current and voltage, and outputting the adjusted current and voltage;
and controlling the conduction state of a data communication loop according to the user requirement, and transmitting the data of the adjusted current and voltage and the conducted data communication loop to the powered device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024020976A1 (en) * | 2022-07-29 | 2024-02-01 | 深圳市百腾达贸易有限公司 | Fast charging system, multi-split fast charging data cable, and charging management apparatus and method |
| TWI832513B (en) * | 2022-08-26 | 2024-02-11 | 大陸商昂寶電子（上海）有限公司 | Circuit for USB fast charging |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024020976A1 (en) * | 2022-07-29 | 2024-02-01 | 深圳市百腾达贸易有限公司 | Fast charging system, multi-split fast charging data cable, and charging management apparatus and method |
| TWI832513B (en) * | 2022-08-26 | 2024-02-11 | 大陸商昂寶電子（上海）有限公司 | Circuit for USB fast charging |
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